diff --git a/clients/client-accessanalyzer/protocols/Aws_restJson1_1.ts b/clients/client-accessanalyzer/protocols/Aws_restJson1_1.ts
index c41373c74b0c..e8c60d2f598e 100644
--- a/clients/client-accessanalyzer/protocols/Aws_restJson1_1.ts
+++ b/clients/client-accessanalyzer/protocols/Aws_restJson1_1.ts
@@ -2908,23 +2908,18 @@ const serializeAws_restJson1_1Criterion = (
   input: Criterion,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.contains !== undefined) {
-    bodyParams["contains"] = serializeAws_restJson1_1ValueList(
-      input.contains,
-      context
-    );
-  }
-  if (input.eq !== undefined) {
-    bodyParams["eq"] = serializeAws_restJson1_1ValueList(input.eq, context);
-  }
-  if (input.exists !== undefined) {
-    bodyParams["exists"] = input.exists;
-  }
-  if (input.neq !== undefined) {
-    bodyParams["neq"] = serializeAws_restJson1_1ValueList(input.neq, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.contains !== undefined && {
+      contains: serializeAws_restJson1_1ValueList(input.contains, context)
+    }),
+    ...(input.eq !== undefined && {
+      eq: serializeAws_restJson1_1ValueList(input.eq, context)
+    }),
+    ...(input.exists !== undefined && { exists: input.exists }),
+    ...(input.neq !== undefined && {
+      neq: serializeAws_restJson1_1ValueList(input.neq, context)
+    })
+  };
 };
 
 const serializeAws_restJson1_1FilterCriteriaMap = (
@@ -2948,17 +2943,12 @@ const serializeAws_restJson1_1InlineArchiveRule = (
   input: InlineArchiveRule,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.filter !== undefined) {
-    bodyParams["filter"] = serializeAws_restJson1_1FilterCriteriaMap(
-      input.filter,
-      context
-    );
-  }
-  if (input.ruleName !== undefined) {
-    bodyParams["ruleName"] = input.ruleName;
-  }
-  return bodyParams;
+  return {
+    ...(input.filter !== undefined && {
+      filter: serializeAws_restJson1_1FilterCriteriaMap(input.filter, context)
+    }),
+    ...(input.ruleName !== undefined && { ruleName: input.ruleName })
+  };
 };
 
 const serializeAws_restJson1_1InlineArchiveRulesList = (
@@ -2974,14 +2964,12 @@ const serializeAws_restJson1_1SortCriteria = (
   input: SortCriteria,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.attributeName !== undefined) {
-    bodyParams["attributeName"] = input.attributeName;
-  }
-  if (input.orderBy !== undefined) {
-    bodyParams["orderBy"] = input.orderBy;
-  }
-  return bodyParams;
+  return {
+    ...(input.attributeName !== undefined && {
+      attributeName: input.attributeName
+    }),
+    ...(input.orderBy !== undefined && { orderBy: input.orderBy })
+  };
 };
 
 const serializeAws_restJson1_1TagsMap = (
diff --git a/clients/client-acm-pca/protocols/Aws_json1_1.ts b/clients/client-acm-pca/protocols/Aws_json1_1.ts
index f35d0413bd30..3331f7b7fb6f 100644
--- a/clients/client-acm-pca/protocols/Aws_json1_1.ts
+++ b/clients/client-acm-pca/protocols/Aws_json1_1.ts
@@ -2816,50 +2816,32 @@ const serializeAws_json1_1ASN1Subject = (
   input: ASN1Subject,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CommonName !== undefined) {
-    bodyParams["CommonName"] = input.CommonName;
-  }
-  if (input.Country !== undefined) {
-    bodyParams["Country"] = input.Country;
-  }
-  if (input.DistinguishedNameQualifier !== undefined) {
-    bodyParams["DistinguishedNameQualifier"] = input.DistinguishedNameQualifier;
-  }
-  if (input.GenerationQualifier !== undefined) {
-    bodyParams["GenerationQualifier"] = input.GenerationQualifier;
-  }
-  if (input.GivenName !== undefined) {
-    bodyParams["GivenName"] = input.GivenName;
-  }
-  if (input.Initials !== undefined) {
-    bodyParams["Initials"] = input.Initials;
-  }
-  if (input.Locality !== undefined) {
-    bodyParams["Locality"] = input.Locality;
-  }
-  if (input.Organization !== undefined) {
-    bodyParams["Organization"] = input.Organization;
-  }
-  if (input.OrganizationalUnit !== undefined) {
-    bodyParams["OrganizationalUnit"] = input.OrganizationalUnit;
-  }
-  if (input.Pseudonym !== undefined) {
-    bodyParams["Pseudonym"] = input.Pseudonym;
-  }
-  if (input.SerialNumber !== undefined) {
-    bodyParams["SerialNumber"] = input.SerialNumber;
-  }
-  if (input.State !== undefined) {
-    bodyParams["State"] = input.State;
-  }
-  if (input.Surname !== undefined) {
-    bodyParams["Surname"] = input.Surname;
-  }
-  if (input.Title !== undefined) {
-    bodyParams["Title"] = input.Title;
-  }
-  return bodyParams;
+  return {
+    ...(input.CommonName !== undefined && { CommonName: input.CommonName }),
+    ...(input.Country !== undefined && { Country: input.Country }),
+    ...(input.DistinguishedNameQualifier !== undefined && {
+      DistinguishedNameQualifier: input.DistinguishedNameQualifier
+    }),
+    ...(input.GenerationQualifier !== undefined && {
+      GenerationQualifier: input.GenerationQualifier
+    }),
+    ...(input.GivenName !== undefined && { GivenName: input.GivenName }),
+    ...(input.Initials !== undefined && { Initials: input.Initials }),
+    ...(input.Locality !== undefined && { Locality: input.Locality }),
+    ...(input.Organization !== undefined && {
+      Organization: input.Organization
+    }),
+    ...(input.OrganizationalUnit !== undefined && {
+      OrganizationalUnit: input.OrganizationalUnit
+    }),
+    ...(input.Pseudonym !== undefined && { Pseudonym: input.Pseudonym }),
+    ...(input.SerialNumber !== undefined && {
+      SerialNumber: input.SerialNumber
+    }),
+    ...(input.State !== undefined && { State: input.State }),
+    ...(input.Surname !== undefined && { Surname: input.Surname }),
+    ...(input.Title !== undefined && { Title: input.Title })
+  };
 };
 
 const serializeAws_json1_1ActionList = (
@@ -2873,369 +2855,325 @@ const serializeAws_json1_1CertificateAuthorityConfiguration = (
   input: CertificateAuthorityConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.KeyAlgorithm !== undefined) {
-    bodyParams["KeyAlgorithm"] = input.KeyAlgorithm;
-  }
-  if (input.SigningAlgorithm !== undefined) {
-    bodyParams["SigningAlgorithm"] = input.SigningAlgorithm;
-  }
-  if (input.Subject !== undefined) {
-    bodyParams["Subject"] = serializeAws_json1_1ASN1Subject(
-      input.Subject,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.KeyAlgorithm !== undefined && {
+      KeyAlgorithm: input.KeyAlgorithm
+    }),
+    ...(input.SigningAlgorithm !== undefined && {
+      SigningAlgorithm: input.SigningAlgorithm
+    }),
+    ...(input.Subject !== undefined && {
+      Subject: serializeAws_json1_1ASN1Subject(input.Subject, context)
+    })
+  };
 };
 
 const serializeAws_json1_1CreateCertificateAuthorityAuditReportRequest = (
   input: CreateCertificateAuthorityAuditReportRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AuditReportResponseFormat !== undefined) {
-    bodyParams["AuditReportResponseFormat"] = input.AuditReportResponseFormat;
-  }
-  if (input.CertificateAuthorityArn !== undefined) {
-    bodyParams["CertificateAuthorityArn"] = input.CertificateAuthorityArn;
-  }
-  if (input.S3BucketName !== undefined) {
-    bodyParams["S3BucketName"] = input.S3BucketName;
-  }
-  return bodyParams;
+  return {
+    ...(input.AuditReportResponseFormat !== undefined && {
+      AuditReportResponseFormat: input.AuditReportResponseFormat
+    }),
+    ...(input.CertificateAuthorityArn !== undefined && {
+      CertificateAuthorityArn: input.CertificateAuthorityArn
+    }),
+    ...(input.S3BucketName !== undefined && {
+      S3BucketName: input.S3BucketName
+    })
+  };
 };
 
 const serializeAws_json1_1CreateCertificateAuthorityRequest = (
   input: CreateCertificateAuthorityRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CertificateAuthorityConfiguration !== undefined) {
-    bodyParams[
-      "CertificateAuthorityConfiguration"
-    ] = serializeAws_json1_1CertificateAuthorityConfiguration(
-      input.CertificateAuthorityConfiguration,
-      context
-    );
-  }
-  if (input.CertificateAuthorityType !== undefined) {
-    bodyParams["CertificateAuthorityType"] = input.CertificateAuthorityType;
-  }
-  if (input.IdempotencyToken !== undefined) {
-    bodyParams["IdempotencyToken"] = input.IdempotencyToken;
-  }
-  if (input.RevocationConfiguration !== undefined) {
-    bodyParams[
-      "RevocationConfiguration"
-    ] = serializeAws_json1_1RevocationConfiguration(
-      input.RevocationConfiguration,
-      context
-    );
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagList(input.Tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.CertificateAuthorityConfiguration !== undefined && {
+      CertificateAuthorityConfiguration: serializeAws_json1_1CertificateAuthorityConfiguration(
+        input.CertificateAuthorityConfiguration,
+        context
+      )
+    }),
+    ...(input.CertificateAuthorityType !== undefined && {
+      CertificateAuthorityType: input.CertificateAuthorityType
+    }),
+    ...(input.IdempotencyToken !== undefined && {
+      IdempotencyToken: input.IdempotencyToken
+    }),
+    ...(input.RevocationConfiguration !== undefined && {
+      RevocationConfiguration: serializeAws_json1_1RevocationConfiguration(
+        input.RevocationConfiguration,
+        context
+      )
+    }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagList(input.Tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1CreatePermissionRequest = (
   input: CreatePermissionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Actions !== undefined) {
-    bodyParams["Actions"] = serializeAws_json1_1ActionList(
-      input.Actions,
-      context
-    );
-  }
-  if (input.CertificateAuthorityArn !== undefined) {
-    bodyParams["CertificateAuthorityArn"] = input.CertificateAuthorityArn;
-  }
-  if (input.Principal !== undefined) {
-    bodyParams["Principal"] = input.Principal;
-  }
-  if (input.SourceAccount !== undefined) {
-    bodyParams["SourceAccount"] = input.SourceAccount;
-  }
-  return bodyParams;
+  return {
+    ...(input.Actions !== undefined && {
+      Actions: serializeAws_json1_1ActionList(input.Actions, context)
+    }),
+    ...(input.CertificateAuthorityArn !== undefined && {
+      CertificateAuthorityArn: input.CertificateAuthorityArn
+    }),
+    ...(input.Principal !== undefined && { Principal: input.Principal }),
+    ...(input.SourceAccount !== undefined && {
+      SourceAccount: input.SourceAccount
+    })
+  };
 };
 
 const serializeAws_json1_1CrlConfiguration = (
   input: CrlConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CustomCname !== undefined) {
-    bodyParams["CustomCname"] = input.CustomCname;
-  }
-  if (input.Enabled !== undefined) {
-    bodyParams["Enabled"] = input.Enabled;
-  }
-  if (input.ExpirationInDays !== undefined) {
-    bodyParams["ExpirationInDays"] = input.ExpirationInDays;
-  }
-  if (input.S3BucketName !== undefined) {
-    bodyParams["S3BucketName"] = input.S3BucketName;
-  }
-  return bodyParams;
+  return {
+    ...(input.CustomCname !== undefined && { CustomCname: input.CustomCname }),
+    ...(input.Enabled !== undefined && { Enabled: input.Enabled }),
+    ...(input.ExpirationInDays !== undefined && {
+      ExpirationInDays: input.ExpirationInDays
+    }),
+    ...(input.S3BucketName !== undefined && {
+      S3BucketName: input.S3BucketName
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteCertificateAuthorityRequest = (
   input: DeleteCertificateAuthorityRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CertificateAuthorityArn !== undefined) {
-    bodyParams["CertificateAuthorityArn"] = input.CertificateAuthorityArn;
-  }
-  if (input.PermanentDeletionTimeInDays !== undefined) {
-    bodyParams["PermanentDeletionTimeInDays"] =
-      input.PermanentDeletionTimeInDays;
-  }
-  return bodyParams;
+  return {
+    ...(input.CertificateAuthorityArn !== undefined && {
+      CertificateAuthorityArn: input.CertificateAuthorityArn
+    }),
+    ...(input.PermanentDeletionTimeInDays !== undefined && {
+      PermanentDeletionTimeInDays: input.PermanentDeletionTimeInDays
+    })
+  };
 };
 
 const serializeAws_json1_1DeletePermissionRequest = (
   input: DeletePermissionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CertificateAuthorityArn !== undefined) {
-    bodyParams["CertificateAuthorityArn"] = input.CertificateAuthorityArn;
-  }
-  if (input.Principal !== undefined) {
-    bodyParams["Principal"] = input.Principal;
-  }
-  if (input.SourceAccount !== undefined) {
-    bodyParams["SourceAccount"] = input.SourceAccount;
-  }
-  return bodyParams;
+  return {
+    ...(input.CertificateAuthorityArn !== undefined && {
+      CertificateAuthorityArn: input.CertificateAuthorityArn
+    }),
+    ...(input.Principal !== undefined && { Principal: input.Principal }),
+    ...(input.SourceAccount !== undefined && {
+      SourceAccount: input.SourceAccount
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeCertificateAuthorityAuditReportRequest = (
   input: DescribeCertificateAuthorityAuditReportRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AuditReportId !== undefined) {
-    bodyParams["AuditReportId"] = input.AuditReportId;
-  }
-  if (input.CertificateAuthorityArn !== undefined) {
-    bodyParams["CertificateAuthorityArn"] = input.CertificateAuthorityArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.AuditReportId !== undefined && {
+      AuditReportId: input.AuditReportId
+    }),
+    ...(input.CertificateAuthorityArn !== undefined && {
+      CertificateAuthorityArn: input.CertificateAuthorityArn
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeCertificateAuthorityRequest = (
   input: DescribeCertificateAuthorityRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CertificateAuthorityArn !== undefined) {
-    bodyParams["CertificateAuthorityArn"] = input.CertificateAuthorityArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.CertificateAuthorityArn !== undefined && {
+      CertificateAuthorityArn: input.CertificateAuthorityArn
+    })
+  };
 };
 
 const serializeAws_json1_1GetCertificateAuthorityCertificateRequest = (
   input: GetCertificateAuthorityCertificateRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CertificateAuthorityArn !== undefined) {
-    bodyParams["CertificateAuthorityArn"] = input.CertificateAuthorityArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.CertificateAuthorityArn !== undefined && {
+      CertificateAuthorityArn: input.CertificateAuthorityArn
+    })
+  };
 };
 
 const serializeAws_json1_1GetCertificateAuthorityCsrRequest = (
   input: GetCertificateAuthorityCsrRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CertificateAuthorityArn !== undefined) {
-    bodyParams["CertificateAuthorityArn"] = input.CertificateAuthorityArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.CertificateAuthorityArn !== undefined && {
+      CertificateAuthorityArn: input.CertificateAuthorityArn
+    })
+  };
 };
 
 const serializeAws_json1_1GetCertificateRequest = (
   input: GetCertificateRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CertificateArn !== undefined) {
-    bodyParams["CertificateArn"] = input.CertificateArn;
-  }
-  if (input.CertificateAuthorityArn !== undefined) {
-    bodyParams["CertificateAuthorityArn"] = input.CertificateAuthorityArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.CertificateArn !== undefined && {
+      CertificateArn: input.CertificateArn
+    }),
+    ...(input.CertificateAuthorityArn !== undefined && {
+      CertificateAuthorityArn: input.CertificateAuthorityArn
+    })
+  };
 };
 
 const serializeAws_json1_1ImportCertificateAuthorityCertificateRequest = (
   input: ImportCertificateAuthorityCertificateRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Certificate !== undefined) {
-    bodyParams["Certificate"] = context.base64Encoder(input.Certificate);
-  }
-  if (input.CertificateAuthorityArn !== undefined) {
-    bodyParams["CertificateAuthorityArn"] = input.CertificateAuthorityArn;
-  }
-  if (input.CertificateChain !== undefined) {
-    bodyParams["CertificateChain"] = context.base64Encoder(
-      input.CertificateChain
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Certificate !== undefined && {
+      Certificate: context.base64Encoder(input.Certificate)
+    }),
+    ...(input.CertificateAuthorityArn !== undefined && {
+      CertificateAuthorityArn: input.CertificateAuthorityArn
+    }),
+    ...(input.CertificateChain !== undefined && {
+      CertificateChain: context.base64Encoder(input.CertificateChain)
+    })
+  };
 };
 
 const serializeAws_json1_1IssueCertificateRequest = (
   input: IssueCertificateRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CertificateAuthorityArn !== undefined) {
-    bodyParams["CertificateAuthorityArn"] = input.CertificateAuthorityArn;
-  }
-  if (input.Csr !== undefined) {
-    bodyParams["Csr"] = context.base64Encoder(input.Csr);
-  }
-  if (input.IdempotencyToken !== undefined) {
-    bodyParams["IdempotencyToken"] = input.IdempotencyToken;
-  }
-  if (input.SigningAlgorithm !== undefined) {
-    bodyParams["SigningAlgorithm"] = input.SigningAlgorithm;
-  }
-  if (input.TemplateArn !== undefined) {
-    bodyParams["TemplateArn"] = input.TemplateArn;
-  }
-  if (input.Validity !== undefined) {
-    bodyParams["Validity"] = serializeAws_json1_1Validity(
-      input.Validity,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.CertificateAuthorityArn !== undefined && {
+      CertificateAuthorityArn: input.CertificateAuthorityArn
+    }),
+    ...(input.Csr !== undefined && { Csr: context.base64Encoder(input.Csr) }),
+    ...(input.IdempotencyToken !== undefined && {
+      IdempotencyToken: input.IdempotencyToken
+    }),
+    ...(input.SigningAlgorithm !== undefined && {
+      SigningAlgorithm: input.SigningAlgorithm
+    }),
+    ...(input.TemplateArn !== undefined && { TemplateArn: input.TemplateArn }),
+    ...(input.Validity !== undefined && {
+      Validity: serializeAws_json1_1Validity(input.Validity, context)
+    })
+  };
 };
 
 const serializeAws_json1_1ListCertificateAuthoritiesRequest = (
   input: ListCertificateAuthoritiesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1ListPermissionsRequest = (
   input: ListPermissionsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CertificateAuthorityArn !== undefined) {
-    bodyParams["CertificateAuthorityArn"] = input.CertificateAuthorityArn;
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.CertificateAuthorityArn !== undefined && {
+      CertificateAuthorityArn: input.CertificateAuthorityArn
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1ListTagsRequest = (
   input: ListTagsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CertificateAuthorityArn !== undefined) {
-    bodyParams["CertificateAuthorityArn"] = input.CertificateAuthorityArn;
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.CertificateAuthorityArn !== undefined && {
+      CertificateAuthorityArn: input.CertificateAuthorityArn
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1RestoreCertificateAuthorityRequest = (
   input: RestoreCertificateAuthorityRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CertificateAuthorityArn !== undefined) {
-    bodyParams["CertificateAuthorityArn"] = input.CertificateAuthorityArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.CertificateAuthorityArn !== undefined && {
+      CertificateAuthorityArn: input.CertificateAuthorityArn
+    })
+  };
 };
 
 const serializeAws_json1_1RevocationConfiguration = (
   input: RevocationConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CrlConfiguration !== undefined) {
-    bodyParams["CrlConfiguration"] = serializeAws_json1_1CrlConfiguration(
-      input.CrlConfiguration,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.CrlConfiguration !== undefined && {
+      CrlConfiguration: serializeAws_json1_1CrlConfiguration(
+        input.CrlConfiguration,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1RevokeCertificateRequest = (
   input: RevokeCertificateRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CertificateAuthorityArn !== undefined) {
-    bodyParams["CertificateAuthorityArn"] = input.CertificateAuthorityArn;
-  }
-  if (input.CertificateSerial !== undefined) {
-    bodyParams["CertificateSerial"] = input.CertificateSerial;
-  }
-  if (input.RevocationReason !== undefined) {
-    bodyParams["RevocationReason"] = input.RevocationReason;
-  }
-  return bodyParams;
+  return {
+    ...(input.CertificateAuthorityArn !== undefined && {
+      CertificateAuthorityArn: input.CertificateAuthorityArn
+    }),
+    ...(input.CertificateSerial !== undefined && {
+      CertificateSerial: input.CertificateSerial
+    }),
+    ...(input.RevocationReason !== undefined && {
+      RevocationReason: input.RevocationReason
+    })
+  };
 };
 
 const serializeAws_json1_1Tag = (input: Tag, context: __SerdeContext): any => {
-  const bodyParams: any = {};
-  if (input.Key !== undefined) {
-    bodyParams["Key"] = input.Key;
-  }
-  if (input.Value !== undefined) {
-    bodyParams["Value"] = input.Value;
-  }
-  return bodyParams;
+  return {
+    ...(input.Key !== undefined && { Key: input.Key }),
+    ...(input.Value !== undefined && { Value: input.Value })
+  };
 };
 
 const serializeAws_json1_1TagCertificateAuthorityRequest = (
   input: TagCertificateAuthorityRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CertificateAuthorityArn !== undefined) {
-    bodyParams["CertificateAuthorityArn"] = input.CertificateAuthorityArn;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagList(input.Tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.CertificateAuthorityArn !== undefined && {
+      CertificateAuthorityArn: input.CertificateAuthorityArn
+    }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagList(input.Tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1TagList = (
@@ -3249,50 +3187,42 @@ const serializeAws_json1_1UntagCertificateAuthorityRequest = (
   input: UntagCertificateAuthorityRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CertificateAuthorityArn !== undefined) {
-    bodyParams["CertificateAuthorityArn"] = input.CertificateAuthorityArn;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagList(input.Tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.CertificateAuthorityArn !== undefined && {
+      CertificateAuthorityArn: input.CertificateAuthorityArn
+    }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagList(input.Tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateCertificateAuthorityRequest = (
   input: UpdateCertificateAuthorityRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CertificateAuthorityArn !== undefined) {
-    bodyParams["CertificateAuthorityArn"] = input.CertificateAuthorityArn;
-  }
-  if (input.RevocationConfiguration !== undefined) {
-    bodyParams[
-      "RevocationConfiguration"
-    ] = serializeAws_json1_1RevocationConfiguration(
-      input.RevocationConfiguration,
-      context
-    );
-  }
-  if (input.Status !== undefined) {
-    bodyParams["Status"] = input.Status;
-  }
-  return bodyParams;
+  return {
+    ...(input.CertificateAuthorityArn !== undefined && {
+      CertificateAuthorityArn: input.CertificateAuthorityArn
+    }),
+    ...(input.RevocationConfiguration !== undefined && {
+      RevocationConfiguration: serializeAws_json1_1RevocationConfiguration(
+        input.RevocationConfiguration,
+        context
+      )
+    }),
+    ...(input.Status !== undefined && { Status: input.Status })
+  };
 };
 
 const serializeAws_json1_1Validity = (
   input: Validity,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Type !== undefined) {
-    bodyParams["Type"] = input.Type;
-  }
-  if (input.Value !== undefined) {
-    bodyParams["Value"] = input.Value;
-  }
-  return bodyParams;
+  return {
+    ...(input.Type !== undefined && { Type: input.Type }),
+    ...(input.Value !== undefined && { Value: input.Value })
+  };
 };
 
 const deserializeAws_json1_1ASN1Subject = (
diff --git a/clients/client-acm/protocols/Aws_json1_1.ts b/clients/client-acm/protocols/Aws_json1_1.ts
index 2d228a1b5bbb..c3dbbbf51b32 100644
--- a/clients/client-acm/protocols/Aws_json1_1.ts
+++ b/clients/client-acm/protocols/Aws_json1_1.ts
@@ -1692,26 +1692,26 @@ const serializeAws_json1_1AddTagsToCertificateRequest = (
   input: AddTagsToCertificateRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CertificateArn !== undefined) {
-    bodyParams["CertificateArn"] = input.CertificateArn;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagList(input.Tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.CertificateArn !== undefined && {
+      CertificateArn: input.CertificateArn
+    }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagList(input.Tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1CertificateOptions = (
   input: CertificateOptions,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CertificateTransparencyLoggingPreference !== undefined) {
-    bodyParams["CertificateTransparencyLoggingPreference"] =
-      input.CertificateTransparencyLoggingPreference;
-  }
-  return bodyParams;
+  return {
+    ...(input.CertificateTransparencyLoggingPreference !== undefined && {
+      CertificateTransparencyLoggingPreference:
+        input.CertificateTransparencyLoggingPreference
+    })
+  };
 };
 
 const serializeAws_json1_1CertificateStatuses = (
@@ -1725,22 +1725,22 @@ const serializeAws_json1_1DeleteCertificateRequest = (
   input: DeleteCertificateRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CertificateArn !== undefined) {
-    bodyParams["CertificateArn"] = input.CertificateArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.CertificateArn !== undefined && {
+      CertificateArn: input.CertificateArn
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeCertificateRequest = (
   input: DescribeCertificateRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CertificateArn !== undefined) {
-    bodyParams["CertificateArn"] = input.CertificateArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.CertificateArn !== undefined && {
+      CertificateArn: input.CertificateArn
+    })
+  };
 };
 
 const serializeAws_json1_1DomainList = (
@@ -1754,14 +1754,12 @@ const serializeAws_json1_1DomainValidationOption = (
   input: DomainValidationOption,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DomainName !== undefined) {
-    bodyParams["DomainName"] = input.DomainName;
-  }
-  if (input.ValidationDomain !== undefined) {
-    bodyParams["ValidationDomain"] = input.ValidationDomain;
-  }
-  return bodyParams;
+  return {
+    ...(input.DomainName !== undefined && { DomainName: input.DomainName }),
+    ...(input.ValidationDomain !== undefined && {
+      ValidationDomain: input.ValidationDomain
+    })
+  };
 };
 
 const serializeAws_json1_1DomainValidationOptionList = (
@@ -1777,14 +1775,14 @@ const serializeAws_json1_1ExportCertificateRequest = (
   input: ExportCertificateRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CertificateArn !== undefined) {
-    bodyParams["CertificateArn"] = input.CertificateArn;
-  }
-  if (input.Passphrase !== undefined) {
-    bodyParams["Passphrase"] = context.base64Encoder(input.Passphrase);
-  }
-  return bodyParams;
+  return {
+    ...(input.CertificateArn !== undefined && {
+      CertificateArn: input.CertificateArn
+    }),
+    ...(input.Passphrase !== undefined && {
+      Passphrase: context.base64Encoder(input.Passphrase)
+    })
+  };
 };
 
 const serializeAws_json1_1ExtendedKeyUsageFilterList = (
@@ -1798,64 +1796,54 @@ const serializeAws_json1_1Filters = (
   input: Filters,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.extendedKeyUsage !== undefined) {
-    bodyParams[
-      "extendedKeyUsage"
-    ] = serializeAws_json1_1ExtendedKeyUsageFilterList(
-      input.extendedKeyUsage,
-      context
-    );
-  }
-  if (input.keyTypes !== undefined) {
-    bodyParams["keyTypes"] = serializeAws_json1_1KeyAlgorithmList(
-      input.keyTypes,
-      context
-    );
-  }
-  if (input.keyUsage !== undefined) {
-    bodyParams["keyUsage"] = serializeAws_json1_1KeyUsageFilterList(
-      input.keyUsage,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.extendedKeyUsage !== undefined && {
+      extendedKeyUsage: serializeAws_json1_1ExtendedKeyUsageFilterList(
+        input.extendedKeyUsage,
+        context
+      )
+    }),
+    ...(input.keyTypes !== undefined && {
+      keyTypes: serializeAws_json1_1KeyAlgorithmList(input.keyTypes, context)
+    }),
+    ...(input.keyUsage !== undefined && {
+      keyUsage: serializeAws_json1_1KeyUsageFilterList(input.keyUsage, context)
+    })
+  };
 };
 
 const serializeAws_json1_1GetCertificateRequest = (
   input: GetCertificateRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CertificateArn !== undefined) {
-    bodyParams["CertificateArn"] = input.CertificateArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.CertificateArn !== undefined && {
+      CertificateArn: input.CertificateArn
+    })
+  };
 };
 
 const serializeAws_json1_1ImportCertificateRequest = (
   input: ImportCertificateRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Certificate !== undefined) {
-    bodyParams["Certificate"] = context.base64Encoder(input.Certificate);
-  }
-  if (input.CertificateArn !== undefined) {
-    bodyParams["CertificateArn"] = input.CertificateArn;
-  }
-  if (input.CertificateChain !== undefined) {
-    bodyParams["CertificateChain"] = context.base64Encoder(
-      input.CertificateChain
-    );
-  }
-  if (input.PrivateKey !== undefined) {
-    bodyParams["PrivateKey"] = context.base64Encoder(input.PrivateKey);
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagList(input.Tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.Certificate !== undefined && {
+      Certificate: context.base64Encoder(input.Certificate)
+    }),
+    ...(input.CertificateArn !== undefined && {
+      CertificateArn: input.CertificateArn
+    }),
+    ...(input.CertificateChain !== undefined && {
+      CertificateChain: context.base64Encoder(input.CertificateChain)
+    }),
+    ...(input.PrivateKey !== undefined && {
+      PrivateKey: context.base64Encoder(input.PrivateKey)
+    }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagList(input.Tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1KeyAlgorithmList = (
@@ -1876,133 +1864,113 @@ const serializeAws_json1_1ListCertificatesRequest = (
   input: ListCertificatesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CertificateStatuses !== undefined) {
-    bodyParams["CertificateStatuses"] = serializeAws_json1_1CertificateStatuses(
-      input.CertificateStatuses,
-      context
-    );
-  }
-  if (input.Includes !== undefined) {
-    bodyParams["Includes"] = serializeAws_json1_1Filters(
-      input.Includes,
-      context
-    );
-  }
-  if (input.MaxItems !== undefined) {
-    bodyParams["MaxItems"] = input.MaxItems;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.CertificateStatuses !== undefined && {
+      CertificateStatuses: serializeAws_json1_1CertificateStatuses(
+        input.CertificateStatuses,
+        context
+      )
+    }),
+    ...(input.Includes !== undefined && {
+      Includes: serializeAws_json1_1Filters(input.Includes, context)
+    }),
+    ...(input.MaxItems !== undefined && { MaxItems: input.MaxItems }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1ListTagsForCertificateRequest = (
   input: ListTagsForCertificateRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CertificateArn !== undefined) {
-    bodyParams["CertificateArn"] = input.CertificateArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.CertificateArn !== undefined && {
+      CertificateArn: input.CertificateArn
+    })
+  };
 };
 
 const serializeAws_json1_1RemoveTagsFromCertificateRequest = (
   input: RemoveTagsFromCertificateRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CertificateArn !== undefined) {
-    bodyParams["CertificateArn"] = input.CertificateArn;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagList(input.Tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.CertificateArn !== undefined && {
+      CertificateArn: input.CertificateArn
+    }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagList(input.Tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1RenewCertificateRequest = (
   input: RenewCertificateRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CertificateArn !== undefined) {
-    bodyParams["CertificateArn"] = input.CertificateArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.CertificateArn !== undefined && {
+      CertificateArn: input.CertificateArn
+    })
+  };
 };
 
 const serializeAws_json1_1RequestCertificateRequest = (
   input: RequestCertificateRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CertificateAuthorityArn !== undefined) {
-    bodyParams["CertificateAuthorityArn"] = input.CertificateAuthorityArn;
-  }
-  if (input.DomainName !== undefined) {
-    bodyParams["DomainName"] = input.DomainName;
-  }
-  if (input.DomainValidationOptions !== undefined) {
-    bodyParams[
-      "DomainValidationOptions"
-    ] = serializeAws_json1_1DomainValidationOptionList(
-      input.DomainValidationOptions,
-      context
-    );
-  }
-  if (input.IdempotencyToken !== undefined) {
-    bodyParams["IdempotencyToken"] = input.IdempotencyToken;
-  }
-  if (input.Options !== undefined) {
-    bodyParams["Options"] = serializeAws_json1_1CertificateOptions(
-      input.Options,
-      context
-    );
-  }
-  if (input.SubjectAlternativeNames !== undefined) {
-    bodyParams["SubjectAlternativeNames"] = serializeAws_json1_1DomainList(
-      input.SubjectAlternativeNames,
-      context
-    );
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagList(input.Tags, context);
-  }
-  if (input.ValidationMethod !== undefined) {
-    bodyParams["ValidationMethod"] = input.ValidationMethod;
-  }
-  return bodyParams;
+  return {
+    ...(input.CertificateAuthorityArn !== undefined && {
+      CertificateAuthorityArn: input.CertificateAuthorityArn
+    }),
+    ...(input.DomainName !== undefined && { DomainName: input.DomainName }),
+    ...(input.DomainValidationOptions !== undefined && {
+      DomainValidationOptions: serializeAws_json1_1DomainValidationOptionList(
+        input.DomainValidationOptions,
+        context
+      )
+    }),
+    ...(input.IdempotencyToken !== undefined && {
+      IdempotencyToken: input.IdempotencyToken
+    }),
+    ...(input.Options !== undefined && {
+      Options: serializeAws_json1_1CertificateOptions(input.Options, context)
+    }),
+    ...(input.SubjectAlternativeNames !== undefined && {
+      SubjectAlternativeNames: serializeAws_json1_1DomainList(
+        input.SubjectAlternativeNames,
+        context
+      )
+    }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagList(input.Tags, context)
+    }),
+    ...(input.ValidationMethod !== undefined && {
+      ValidationMethod: input.ValidationMethod
+    })
+  };
 };
 
 const serializeAws_json1_1ResendValidationEmailRequest = (
   input: ResendValidationEmailRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CertificateArn !== undefined) {
-    bodyParams["CertificateArn"] = input.CertificateArn;
-  }
-  if (input.Domain !== undefined) {
-    bodyParams["Domain"] = input.Domain;
-  }
-  if (input.ValidationDomain !== undefined) {
-    bodyParams["ValidationDomain"] = input.ValidationDomain;
-  }
-  return bodyParams;
+  return {
+    ...(input.CertificateArn !== undefined && {
+      CertificateArn: input.CertificateArn
+    }),
+    ...(input.Domain !== undefined && { Domain: input.Domain }),
+    ...(input.ValidationDomain !== undefined && {
+      ValidationDomain: input.ValidationDomain
+    })
+  };
 };
 
 const serializeAws_json1_1Tag = (input: Tag, context: __SerdeContext): any => {
-  const bodyParams: any = {};
-  if (input.Key !== undefined) {
-    bodyParams["Key"] = input.Key;
-  }
-  if (input.Value !== undefined) {
-    bodyParams["Value"] = input.Value;
-  }
-  return bodyParams;
+  return {
+    ...(input.Key !== undefined && { Key: input.Key }),
+    ...(input.Value !== undefined && { Value: input.Value })
+  };
 };
 
 const serializeAws_json1_1TagList = (
@@ -2016,17 +1984,14 @@ const serializeAws_json1_1UpdateCertificateOptionsRequest = (
   input: UpdateCertificateOptionsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CertificateArn !== undefined) {
-    bodyParams["CertificateArn"] = input.CertificateArn;
-  }
-  if (input.Options !== undefined) {
-    bodyParams["Options"] = serializeAws_json1_1CertificateOptions(
-      input.Options,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.CertificateArn !== undefined && {
+      CertificateArn: input.CertificateArn
+    }),
+    ...(input.Options !== undefined && {
+      Options: serializeAws_json1_1CertificateOptions(input.Options, context)
+    })
+  };
 };
 
 const deserializeAws_json1_1CertificateDetail = (
diff --git a/clients/client-alexa-for-business/protocols/Aws_json1_1.ts b/clients/client-alexa-for-business/protocols/Aws_json1_1.ts
index c35a7a2137f1..5edbed31983b 100644
--- a/clients/client-alexa-for-business/protocols/Aws_json1_1.ts
+++ b/clients/client-alexa-for-business/protocols/Aws_json1_1.ts
@@ -8647,17 +8647,12 @@ const serializeAws_json1_1Filter = (
   input: Filter,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Key !== undefined) {
-    bodyParams["Key"] = input.Key;
-  }
-  if (input.Values !== undefined) {
-    bodyParams["Values"] = serializeAws_json1_1FilterValueList(
-      input.Values,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Key !== undefined && { Key: input.Key }),
+    ...(input.Values !== undefined && {
+      Values: serializeAws_json1_1FilterValueList(input.Values, context)
+    })
+  };
 };
 
 const serializeAws_json1_1FilterList = (
@@ -8678,59 +8673,47 @@ const serializeAws_json1_1IPDialIn = (
   input: IPDialIn,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CommsProtocol !== undefined) {
-    bodyParams["CommsProtocol"] = input.CommsProtocol;
-  }
-  if (input.Endpoint !== undefined) {
-    bodyParams["Endpoint"] = input.Endpoint;
-  }
-  return bodyParams;
+  return {
+    ...(input.CommsProtocol !== undefined && {
+      CommsProtocol: input.CommsProtocol
+    }),
+    ...(input.Endpoint !== undefined && { Endpoint: input.Endpoint })
+  };
 };
 
 const serializeAws_json1_1MeetingSetting = (
   input: MeetingSetting,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.RequirePin !== undefined) {
-    bodyParams["RequirePin"] = input.RequirePin;
-  }
-  return bodyParams;
+  return {
+    ...(input.RequirePin !== undefined && { RequirePin: input.RequirePin })
+  };
 };
 
 const serializeAws_json1_1PSTNDialIn = (
   input: PSTNDialIn,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CountryCode !== undefined) {
-    bodyParams["CountryCode"] = input.CountryCode;
-  }
-  if (input.OneClickIdDelay !== undefined) {
-    bodyParams["OneClickIdDelay"] = input.OneClickIdDelay;
-  }
-  if (input.OneClickPinDelay !== undefined) {
-    bodyParams["OneClickPinDelay"] = input.OneClickPinDelay;
-  }
-  if (input.PhoneNumber !== undefined) {
-    bodyParams["PhoneNumber"] = input.PhoneNumber;
-  }
-  return bodyParams;
+  return {
+    ...(input.CountryCode !== undefined && { CountryCode: input.CountryCode }),
+    ...(input.OneClickIdDelay !== undefined && {
+      OneClickIdDelay: input.OneClickIdDelay
+    }),
+    ...(input.OneClickPinDelay !== undefined && {
+      OneClickPinDelay: input.OneClickPinDelay
+    }),
+    ...(input.PhoneNumber !== undefined && { PhoneNumber: input.PhoneNumber })
+  };
 };
 
 const serializeAws_json1_1Audio = (
   input: Audio,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Locale !== undefined) {
-    bodyParams["Locale"] = input.Locale;
-  }
-  if (input.Location !== undefined) {
-    bodyParams["Location"] = input.Location;
-  }
-  return bodyParams;
+  return {
+    ...(input.Locale !== undefined && { Locale: input.Locale }),
+    ...(input.Location !== undefined && { Location: input.Location })
+  };
 };
 
 const serializeAws_json1_1AudioList = (
@@ -8744,66 +8727,45 @@ const serializeAws_json1_1Content = (
   input: Content,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AudioList !== undefined) {
-    bodyParams["AudioList"] = serializeAws_json1_1AudioList(
-      input.AudioList,
-      context
-    );
-  }
-  if (input.SsmlList !== undefined) {
-    bodyParams["SsmlList"] = serializeAws_json1_1SsmlList(
-      input.SsmlList,
-      context
-    );
-  }
-  if (input.TextList !== undefined) {
-    bodyParams["TextList"] = serializeAws_json1_1TextList(
-      input.TextList,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.AudioList !== undefined && {
+      AudioList: serializeAws_json1_1AudioList(input.AudioList, context)
+    }),
+    ...(input.SsmlList !== undefined && {
+      SsmlList: serializeAws_json1_1SsmlList(input.SsmlList, context)
+    }),
+    ...(input.TextList !== undefined && {
+      TextList: serializeAws_json1_1TextList(input.TextList, context)
+    })
+  };
 };
 
 const serializeAws_json1_1SendAnnouncementRequest = (
   input: SendAnnouncementRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ClientRequestToken === undefined) {
-    input.ClientRequestToken = generateIdempotencyToken();
-  }
-  if (input.ClientRequestToken !== undefined) {
-    bodyParams["ClientRequestToken"] = input.ClientRequestToken;
-  }
-  if (input.Content !== undefined) {
-    bodyParams["Content"] = serializeAws_json1_1Content(input.Content, context);
-  }
-  if (input.RoomFilters !== undefined) {
-    bodyParams["RoomFilters"] = serializeAws_json1_1FilterList(
-      input.RoomFilters,
-      context
-    );
-  }
-  if (input.TimeToLiveInSeconds !== undefined) {
-    bodyParams["TimeToLiveInSeconds"] = input.TimeToLiveInSeconds;
-  }
-  return bodyParams;
+  return {
+    ClientRequestToken: input.ClientRequestToken ?? generateIdempotencyToken(),
+    ...(input.Content !== undefined && {
+      Content: serializeAws_json1_1Content(input.Content, context)
+    }),
+    ...(input.RoomFilters !== undefined && {
+      RoomFilters: serializeAws_json1_1FilterList(input.RoomFilters, context)
+    }),
+    ...(input.TimeToLiveInSeconds !== undefined && {
+      TimeToLiveInSeconds: input.TimeToLiveInSeconds
+    })
+  };
 };
 
 const serializeAws_json1_1Ssml = (
   input: Ssml,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Locale !== undefined) {
-    bodyParams["Locale"] = input.Locale;
-  }
-  if (input.Value !== undefined) {
-    bodyParams["Value"] = input.Value;
-  }
-  return bodyParams;
+  return {
+    ...(input.Locale !== undefined && { Locale: input.Locale }),
+    ...(input.Value !== undefined && { Value: input.Value })
+  };
 };
 
 const serializeAws_json1_1SsmlList = (
@@ -8817,14 +8779,10 @@ const serializeAws_json1_1Text = (
   input: Text,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Locale !== undefined) {
-    bodyParams["Locale"] = input.Locale;
-  }
-  if (input.Value !== undefined) {
-    bodyParams["Value"] = input.Value;
-  }
-  return bodyParams;
+  return {
+    ...(input.Locale !== undefined && { Locale: input.Locale }),
+    ...(input.Value !== undefined && { Value: input.Value })
+  };
 };
 
 const serializeAws_json1_1TextList = (
@@ -8838,106 +8796,88 @@ const serializeAws_json1_1DeleteDeviceUsageDataRequest = (
   input: DeleteDeviceUsageDataRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DeviceArn !== undefined) {
-    bodyParams["DeviceArn"] = input.DeviceArn;
-  }
-  if (input.DeviceUsageType !== undefined) {
-    bodyParams["DeviceUsageType"] = input.DeviceUsageType;
-  }
-  return bodyParams;
+  return {
+    ...(input.DeviceArn !== undefined && { DeviceArn: input.DeviceArn }),
+    ...(input.DeviceUsageType !== undefined && {
+      DeviceUsageType: input.DeviceUsageType
+    })
+  };
 };
 
 const serializeAws_json1_1ApproveSkillRequest = (
   input: ApproveSkillRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.SkillId !== undefined) {
-    bodyParams["SkillId"] = input.SkillId;
-  }
-  return bodyParams;
+  return {
+    ...(input.SkillId !== undefined && { SkillId: input.SkillId })
+  };
 };
 
 const serializeAws_json1_1AssociateContactWithAddressBookRequest = (
   input: AssociateContactWithAddressBookRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AddressBookArn !== undefined) {
-    bodyParams["AddressBookArn"] = input.AddressBookArn;
-  }
-  if (input.ContactArn !== undefined) {
-    bodyParams["ContactArn"] = input.ContactArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.AddressBookArn !== undefined && {
+      AddressBookArn: input.AddressBookArn
+    }),
+    ...(input.ContactArn !== undefined && { ContactArn: input.ContactArn })
+  };
 };
 
 const serializeAws_json1_1AssociateDeviceWithNetworkProfileRequest = (
   input: AssociateDeviceWithNetworkProfileRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DeviceArn !== undefined) {
-    bodyParams["DeviceArn"] = input.DeviceArn;
-  }
-  if (input.NetworkProfileArn !== undefined) {
-    bodyParams["NetworkProfileArn"] = input.NetworkProfileArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.DeviceArn !== undefined && { DeviceArn: input.DeviceArn }),
+    ...(input.NetworkProfileArn !== undefined && {
+      NetworkProfileArn: input.NetworkProfileArn
+    })
+  };
 };
 
 const serializeAws_json1_1AssociateDeviceWithRoomRequest = (
   input: AssociateDeviceWithRoomRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DeviceArn !== undefined) {
-    bodyParams["DeviceArn"] = input.DeviceArn;
-  }
-  if (input.RoomArn !== undefined) {
-    bodyParams["RoomArn"] = input.RoomArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.DeviceArn !== undefined && { DeviceArn: input.DeviceArn }),
+    ...(input.RoomArn !== undefined && { RoomArn: input.RoomArn })
+  };
 };
 
 const serializeAws_json1_1AssociateSkillGroupWithRoomRequest = (
   input: AssociateSkillGroupWithRoomRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.RoomArn !== undefined) {
-    bodyParams["RoomArn"] = input.RoomArn;
-  }
-  if (input.SkillGroupArn !== undefined) {
-    bodyParams["SkillGroupArn"] = input.SkillGroupArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.RoomArn !== undefined && { RoomArn: input.RoomArn }),
+    ...(input.SkillGroupArn !== undefined && {
+      SkillGroupArn: input.SkillGroupArn
+    })
+  };
 };
 
 const serializeAws_json1_1AssociateSkillWithSkillGroupRequest = (
   input: AssociateSkillWithSkillGroupRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.SkillGroupArn !== undefined) {
-    bodyParams["SkillGroupArn"] = input.SkillGroupArn;
-  }
-  if (input.SkillId !== undefined) {
-    bodyParams["SkillId"] = input.SkillId;
-  }
-  return bodyParams;
+  return {
+    ...(input.SkillGroupArn !== undefined && {
+      SkillGroupArn: input.SkillGroupArn
+    }),
+    ...(input.SkillId !== undefined && { SkillId: input.SkillId })
+  };
 };
 
 const serializeAws_json1_1AssociateSkillWithUsersRequest = (
   input: AssociateSkillWithUsersRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.SkillId !== undefined) {
-    bodyParams["SkillId"] = input.SkillId;
-  }
-  return bodyParams;
+  return {
+    ...(input.SkillId !== undefined && { SkillId: input.SkillId })
+  };
 };
 
 const serializeAws_json1_1AuthorizationResult = (
@@ -8954,663 +8894,505 @@ const serializeAws_json1_1BusinessReportContentRange = (
   input: BusinessReportContentRange,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Interval !== undefined) {
-    bodyParams["Interval"] = input.Interval;
-  }
-  return bodyParams;
+  return {
+    ...(input.Interval !== undefined && { Interval: input.Interval })
+  };
 };
 
 const serializeAws_json1_1BusinessReportRecurrence = (
   input: BusinessReportRecurrence,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.StartDate !== undefined) {
-    bodyParams["StartDate"] = input.StartDate;
-  }
-  return bodyParams;
+  return {
+    ...(input.StartDate !== undefined && { StartDate: input.StartDate })
+  };
 };
 
 const serializeAws_json1_1ConferencePreference = (
   input: ConferencePreference,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DefaultConferenceProviderArn !== undefined) {
-    bodyParams["DefaultConferenceProviderArn"] =
-      input.DefaultConferenceProviderArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.DefaultConferenceProviderArn !== undefined && {
+      DefaultConferenceProviderArn: input.DefaultConferenceProviderArn
+    })
+  };
 };
 
 const serializeAws_json1_1CreateAddressBookRequest = (
   input: CreateAddressBookRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ClientRequestToken === undefined) {
-    input.ClientRequestToken = generateIdempotencyToken();
-  }
-  if (input.ClientRequestToken !== undefined) {
-    bodyParams["ClientRequestToken"] = input.ClientRequestToken;
-  }
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ClientRequestToken: input.ClientRequestToken ?? generateIdempotencyToken(),
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1CreateBusinessReportScheduleRequest = (
   input: CreateBusinessReportScheduleRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ClientRequestToken === undefined) {
-    input.ClientRequestToken = generateIdempotencyToken();
-  }
-  if (input.ClientRequestToken !== undefined) {
-    bodyParams["ClientRequestToken"] = input.ClientRequestToken;
-  }
-  if (input.ContentRange !== undefined) {
-    bodyParams["ContentRange"] = serializeAws_json1_1BusinessReportContentRange(
-      input.ContentRange,
-      context
-    );
-  }
-  if (input.Format !== undefined) {
-    bodyParams["Format"] = input.Format;
-  }
-  if (input.Recurrence !== undefined) {
-    bodyParams["Recurrence"] = serializeAws_json1_1BusinessReportRecurrence(
-      input.Recurrence,
-      context
-    );
-  }
-  if (input.S3BucketName !== undefined) {
-    bodyParams["S3BucketName"] = input.S3BucketName;
-  }
-  if (input.S3KeyPrefix !== undefined) {
-    bodyParams["S3KeyPrefix"] = input.S3KeyPrefix;
-  }
-  if (input.ScheduleName !== undefined) {
-    bodyParams["ScheduleName"] = input.ScheduleName;
-  }
-  return bodyParams;
+  return {
+    ClientRequestToken: input.ClientRequestToken ?? generateIdempotencyToken(),
+    ...(input.ContentRange !== undefined && {
+      ContentRange: serializeAws_json1_1BusinessReportContentRange(
+        input.ContentRange,
+        context
+      )
+    }),
+    ...(input.Format !== undefined && { Format: input.Format }),
+    ...(input.Recurrence !== undefined && {
+      Recurrence: serializeAws_json1_1BusinessReportRecurrence(
+        input.Recurrence,
+        context
+      )
+    }),
+    ...(input.S3BucketName !== undefined && {
+      S3BucketName: input.S3BucketName
+    }),
+    ...(input.S3KeyPrefix !== undefined && { S3KeyPrefix: input.S3KeyPrefix }),
+    ...(input.ScheduleName !== undefined && {
+      ScheduleName: input.ScheduleName
+    })
+  };
 };
 
 const serializeAws_json1_1CreateConferenceProviderRequest = (
   input: CreateConferenceProviderRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ClientRequestToken === undefined) {
-    input.ClientRequestToken = generateIdempotencyToken();
-  }
-  if (input.ClientRequestToken !== undefined) {
-    bodyParams["ClientRequestToken"] = input.ClientRequestToken;
-  }
-  if (input.ConferenceProviderName !== undefined) {
-    bodyParams["ConferenceProviderName"] = input.ConferenceProviderName;
-  }
-  if (input.ConferenceProviderType !== undefined) {
-    bodyParams["ConferenceProviderType"] = input.ConferenceProviderType;
-  }
-  if (input.IPDialIn !== undefined) {
-    bodyParams["IPDialIn"] = serializeAws_json1_1IPDialIn(
-      input.IPDialIn,
-      context
-    );
-  }
-  if (input.MeetingSetting !== undefined) {
-    bodyParams["MeetingSetting"] = serializeAws_json1_1MeetingSetting(
-      input.MeetingSetting,
-      context
-    );
-  }
-  if (input.PSTNDialIn !== undefined) {
-    bodyParams["PSTNDialIn"] = serializeAws_json1_1PSTNDialIn(
-      input.PSTNDialIn,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ClientRequestToken: input.ClientRequestToken ?? generateIdempotencyToken(),
+    ...(input.ConferenceProviderName !== undefined && {
+      ConferenceProviderName: input.ConferenceProviderName
+    }),
+    ...(input.ConferenceProviderType !== undefined && {
+      ConferenceProviderType: input.ConferenceProviderType
+    }),
+    ...(input.IPDialIn !== undefined && {
+      IPDialIn: serializeAws_json1_1IPDialIn(input.IPDialIn, context)
+    }),
+    ...(input.MeetingSetting !== undefined && {
+      MeetingSetting: serializeAws_json1_1MeetingSetting(
+        input.MeetingSetting,
+        context
+      )
+    }),
+    ...(input.PSTNDialIn !== undefined && {
+      PSTNDialIn: serializeAws_json1_1PSTNDialIn(input.PSTNDialIn, context)
+    })
+  };
 };
 
 const serializeAws_json1_1CreateContactRequest = (
   input: CreateContactRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ClientRequestToken === undefined) {
-    input.ClientRequestToken = generateIdempotencyToken();
-  }
-  if (input.ClientRequestToken !== undefined) {
-    bodyParams["ClientRequestToken"] = input.ClientRequestToken;
-  }
-  if (input.DisplayName !== undefined) {
-    bodyParams["DisplayName"] = input.DisplayName;
-  }
-  if (input.FirstName !== undefined) {
-    bodyParams["FirstName"] = input.FirstName;
-  }
-  if (input.LastName !== undefined) {
-    bodyParams["LastName"] = input.LastName;
-  }
-  if (input.PhoneNumber !== undefined) {
-    bodyParams["PhoneNumber"] = input.PhoneNumber;
-  }
-  if (input.PhoneNumbers !== undefined) {
-    bodyParams["PhoneNumbers"] = serializeAws_json1_1PhoneNumberList(
-      input.PhoneNumbers,
-      context
-    );
-  }
-  if (input.SipAddresses !== undefined) {
-    bodyParams["SipAddresses"] = serializeAws_json1_1SipAddressList(
-      input.SipAddresses,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ClientRequestToken: input.ClientRequestToken ?? generateIdempotencyToken(),
+    ...(input.DisplayName !== undefined && { DisplayName: input.DisplayName }),
+    ...(input.FirstName !== undefined && { FirstName: input.FirstName }),
+    ...(input.LastName !== undefined && { LastName: input.LastName }),
+    ...(input.PhoneNumber !== undefined && { PhoneNumber: input.PhoneNumber }),
+    ...(input.PhoneNumbers !== undefined && {
+      PhoneNumbers: serializeAws_json1_1PhoneNumberList(
+        input.PhoneNumbers,
+        context
+      )
+    }),
+    ...(input.SipAddresses !== undefined && {
+      SipAddresses: serializeAws_json1_1SipAddressList(
+        input.SipAddresses,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1CreateEndOfMeetingReminder = (
   input: CreateEndOfMeetingReminder,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Enabled !== undefined) {
-    bodyParams["Enabled"] = input.Enabled;
-  }
-  if (input.ReminderAtMinutes !== undefined) {
-    bodyParams[
-      "ReminderAtMinutes"
-    ] = serializeAws_json1_1EndOfMeetingReminderMinutesList(
-      input.ReminderAtMinutes,
-      context
-    );
-  }
-  if (input.ReminderType !== undefined) {
-    bodyParams["ReminderType"] = input.ReminderType;
-  }
-  return bodyParams;
+  return {
+    ...(input.Enabled !== undefined && { Enabled: input.Enabled }),
+    ...(input.ReminderAtMinutes !== undefined && {
+      ReminderAtMinutes: serializeAws_json1_1EndOfMeetingReminderMinutesList(
+        input.ReminderAtMinutes,
+        context
+      )
+    }),
+    ...(input.ReminderType !== undefined && {
+      ReminderType: input.ReminderType
+    })
+  };
 };
 
 const serializeAws_json1_1CreateGatewayGroupRequest = (
   input: CreateGatewayGroupRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ClientRequestToken === undefined) {
-    input.ClientRequestToken = generateIdempotencyToken();
-  }
-  if (input.ClientRequestToken !== undefined) {
-    bodyParams["ClientRequestToken"] = input.ClientRequestToken;
-  }
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ClientRequestToken: input.ClientRequestToken ?? generateIdempotencyToken(),
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1CreateInstantBooking = (
   input: CreateInstantBooking,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DurationInMinutes !== undefined) {
-    bodyParams["DurationInMinutes"] = input.DurationInMinutes;
-  }
-  if (input.Enabled !== undefined) {
-    bodyParams["Enabled"] = input.Enabled;
-  }
-  return bodyParams;
+  return {
+    ...(input.DurationInMinutes !== undefined && {
+      DurationInMinutes: input.DurationInMinutes
+    }),
+    ...(input.Enabled !== undefined && { Enabled: input.Enabled })
+  };
 };
 
 const serializeAws_json1_1CreateMeetingRoomConfiguration = (
   input: CreateMeetingRoomConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EndOfMeetingReminder !== undefined) {
-    bodyParams[
-      "EndOfMeetingReminder"
-    ] = serializeAws_json1_1CreateEndOfMeetingReminder(
-      input.EndOfMeetingReminder,
-      context
-    );
-  }
-  if (input.InstantBooking !== undefined) {
-    bodyParams["InstantBooking"] = serializeAws_json1_1CreateInstantBooking(
-      input.InstantBooking,
-      context
-    );
-  }
-  if (input.RequireCheckIn !== undefined) {
-    bodyParams["RequireCheckIn"] = serializeAws_json1_1CreateRequireCheckIn(
-      input.RequireCheckIn,
-      context
-    );
-  }
-  if (input.RoomUtilizationMetricsEnabled !== undefined) {
-    bodyParams["RoomUtilizationMetricsEnabled"] =
-      input.RoomUtilizationMetricsEnabled;
-  }
-  return bodyParams;
+  return {
+    ...(input.EndOfMeetingReminder !== undefined && {
+      EndOfMeetingReminder: serializeAws_json1_1CreateEndOfMeetingReminder(
+        input.EndOfMeetingReminder,
+        context
+      )
+    }),
+    ...(input.InstantBooking !== undefined && {
+      InstantBooking: serializeAws_json1_1CreateInstantBooking(
+        input.InstantBooking,
+        context
+      )
+    }),
+    ...(input.RequireCheckIn !== undefined && {
+      RequireCheckIn: serializeAws_json1_1CreateRequireCheckIn(
+        input.RequireCheckIn,
+        context
+      )
+    }),
+    ...(input.RoomUtilizationMetricsEnabled !== undefined && {
+      RoomUtilizationMetricsEnabled: input.RoomUtilizationMetricsEnabled
+    })
+  };
 };
 
 const serializeAws_json1_1CreateNetworkProfileRequest = (
   input: CreateNetworkProfileRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CertificateAuthorityArn !== undefined) {
-    bodyParams["CertificateAuthorityArn"] = input.CertificateAuthorityArn;
-  }
-  if (input.ClientRequestToken === undefined) {
-    input.ClientRequestToken = generateIdempotencyToken();
-  }
-  if (input.ClientRequestToken !== undefined) {
-    bodyParams["ClientRequestToken"] = input.ClientRequestToken;
-  }
-  if (input.CurrentPassword !== undefined) {
-    bodyParams["CurrentPassword"] = input.CurrentPassword;
-  }
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.EapMethod !== undefined) {
-    bodyParams["EapMethod"] = input.EapMethod;
-  }
-  if (input.NetworkProfileName !== undefined) {
-    bodyParams["NetworkProfileName"] = input.NetworkProfileName;
-  }
-  if (input.NextPassword !== undefined) {
-    bodyParams["NextPassword"] = input.NextPassword;
-  }
-  if (input.SecurityType !== undefined) {
-    bodyParams["SecurityType"] = input.SecurityType;
-  }
-  if (input.Ssid !== undefined) {
-    bodyParams["Ssid"] = input.Ssid;
-  }
-  if (input.TrustAnchors !== undefined) {
-    bodyParams["TrustAnchors"] = serializeAws_json1_1TrustAnchorList(
-      input.TrustAnchors,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.CertificateAuthorityArn !== undefined && {
+      CertificateAuthorityArn: input.CertificateAuthorityArn
+    }),
+    ClientRequestToken: input.ClientRequestToken ?? generateIdempotencyToken(),
+    ...(input.CurrentPassword !== undefined && {
+      CurrentPassword: input.CurrentPassword
+    }),
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.EapMethod !== undefined && { EapMethod: input.EapMethod }),
+    ...(input.NetworkProfileName !== undefined && {
+      NetworkProfileName: input.NetworkProfileName
+    }),
+    ...(input.NextPassword !== undefined && {
+      NextPassword: input.NextPassword
+    }),
+    ...(input.SecurityType !== undefined && {
+      SecurityType: input.SecurityType
+    }),
+    ...(input.Ssid !== undefined && { Ssid: input.Ssid }),
+    ...(input.TrustAnchors !== undefined && {
+      TrustAnchors: serializeAws_json1_1TrustAnchorList(
+        input.TrustAnchors,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1CreateProfileRequest = (
   input: CreateProfileRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Address !== undefined) {
-    bodyParams["Address"] = input.Address;
-  }
-  if (input.ClientRequestToken === undefined) {
-    input.ClientRequestToken = generateIdempotencyToken();
-  }
-  if (input.ClientRequestToken !== undefined) {
-    bodyParams["ClientRequestToken"] = input.ClientRequestToken;
-  }
-  if (input.DistanceUnit !== undefined) {
-    bodyParams["DistanceUnit"] = input.DistanceUnit;
-  }
-  if (input.Locale !== undefined) {
-    bodyParams["Locale"] = input.Locale;
-  }
-  if (input.MaxVolumeLimit !== undefined) {
-    bodyParams["MaxVolumeLimit"] = input.MaxVolumeLimit;
-  }
-  if (input.MeetingRoomConfiguration !== undefined) {
-    bodyParams[
-      "MeetingRoomConfiguration"
-    ] = serializeAws_json1_1CreateMeetingRoomConfiguration(
-      input.MeetingRoomConfiguration,
-      context
-    );
-  }
-  if (input.PSTNEnabled !== undefined) {
-    bodyParams["PSTNEnabled"] = input.PSTNEnabled;
-  }
-  if (input.ProfileName !== undefined) {
-    bodyParams["ProfileName"] = input.ProfileName;
-  }
-  if (input.SetupModeDisabled !== undefined) {
-    bodyParams["SetupModeDisabled"] = input.SetupModeDisabled;
-  }
-  if (input.TemperatureUnit !== undefined) {
-    bodyParams["TemperatureUnit"] = input.TemperatureUnit;
-  }
-  if (input.Timezone !== undefined) {
-    bodyParams["Timezone"] = input.Timezone;
-  }
-  if (input.WakeWord !== undefined) {
-    bodyParams["WakeWord"] = input.WakeWord;
-  }
-  return bodyParams;
+  return {
+    ...(input.Address !== undefined && { Address: input.Address }),
+    ClientRequestToken: input.ClientRequestToken ?? generateIdempotencyToken(),
+    ...(input.DistanceUnit !== undefined && {
+      DistanceUnit: input.DistanceUnit
+    }),
+    ...(input.Locale !== undefined && { Locale: input.Locale }),
+    ...(input.MaxVolumeLimit !== undefined && {
+      MaxVolumeLimit: input.MaxVolumeLimit
+    }),
+    ...(input.MeetingRoomConfiguration !== undefined && {
+      MeetingRoomConfiguration: serializeAws_json1_1CreateMeetingRoomConfiguration(
+        input.MeetingRoomConfiguration,
+        context
+      )
+    }),
+    ...(input.PSTNEnabled !== undefined && { PSTNEnabled: input.PSTNEnabled }),
+    ...(input.ProfileName !== undefined && { ProfileName: input.ProfileName }),
+    ...(input.SetupModeDisabled !== undefined && {
+      SetupModeDisabled: input.SetupModeDisabled
+    }),
+    ...(input.TemperatureUnit !== undefined && {
+      TemperatureUnit: input.TemperatureUnit
+    }),
+    ...(input.Timezone !== undefined && { Timezone: input.Timezone }),
+    ...(input.WakeWord !== undefined && { WakeWord: input.WakeWord })
+  };
 };
 
 const serializeAws_json1_1CreateRequireCheckIn = (
   input: CreateRequireCheckIn,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Enabled !== undefined) {
-    bodyParams["Enabled"] = input.Enabled;
-  }
-  if (input.ReleaseAfterMinutes !== undefined) {
-    bodyParams["ReleaseAfterMinutes"] = input.ReleaseAfterMinutes;
-  }
-  return bodyParams;
+  return {
+    ...(input.Enabled !== undefined && { Enabled: input.Enabled }),
+    ...(input.ReleaseAfterMinutes !== undefined && {
+      ReleaseAfterMinutes: input.ReleaseAfterMinutes
+    })
+  };
 };
 
 const serializeAws_json1_1CreateRoomRequest = (
   input: CreateRoomRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ClientRequestToken === undefined) {
-    input.ClientRequestToken = generateIdempotencyToken();
-  }
-  if (input.ClientRequestToken !== undefined) {
-    bodyParams["ClientRequestToken"] = input.ClientRequestToken;
-  }
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.ProfileArn !== undefined) {
-    bodyParams["ProfileArn"] = input.ProfileArn;
-  }
-  if (input.ProviderCalendarId !== undefined) {
-    bodyParams["ProviderCalendarId"] = input.ProviderCalendarId;
-  }
-  if (input.RoomName !== undefined) {
-    bodyParams["RoomName"] = input.RoomName;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagList(input.Tags, context);
-  }
-  return bodyParams;
+  return {
+    ClientRequestToken: input.ClientRequestToken ?? generateIdempotencyToken(),
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.ProfileArn !== undefined && { ProfileArn: input.ProfileArn }),
+    ...(input.ProviderCalendarId !== undefined && {
+      ProviderCalendarId: input.ProviderCalendarId
+    }),
+    ...(input.RoomName !== undefined && { RoomName: input.RoomName }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagList(input.Tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1CreateSkillGroupRequest = (
   input: CreateSkillGroupRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ClientRequestToken === undefined) {
-    input.ClientRequestToken = generateIdempotencyToken();
-  }
-  if (input.ClientRequestToken !== undefined) {
-    bodyParams["ClientRequestToken"] = input.ClientRequestToken;
-  }
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.SkillGroupName !== undefined) {
-    bodyParams["SkillGroupName"] = input.SkillGroupName;
-  }
-  return bodyParams;
+  return {
+    ClientRequestToken: input.ClientRequestToken ?? generateIdempotencyToken(),
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.SkillGroupName !== undefined && {
+      SkillGroupName: input.SkillGroupName
+    })
+  };
 };
 
 const serializeAws_json1_1CreateUserRequest = (
   input: CreateUserRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ClientRequestToken === undefined) {
-    input.ClientRequestToken = generateIdempotencyToken();
-  }
-  if (input.ClientRequestToken !== undefined) {
-    bodyParams["ClientRequestToken"] = input.ClientRequestToken;
-  }
-  if (input.Email !== undefined) {
-    bodyParams["Email"] = input.Email;
-  }
-  if (input.FirstName !== undefined) {
-    bodyParams["FirstName"] = input.FirstName;
-  }
-  if (input.LastName !== undefined) {
-    bodyParams["LastName"] = input.LastName;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagList(input.Tags, context);
-  }
-  if (input.UserId !== undefined) {
-    bodyParams["UserId"] = input.UserId;
-  }
-  return bodyParams;
+  return {
+    ClientRequestToken: input.ClientRequestToken ?? generateIdempotencyToken(),
+    ...(input.Email !== undefined && { Email: input.Email }),
+    ...(input.FirstName !== undefined && { FirstName: input.FirstName }),
+    ...(input.LastName !== undefined && { LastName: input.LastName }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagList(input.Tags, context)
+    }),
+    ...(input.UserId !== undefined && { UserId: input.UserId })
+  };
 };
 
 const serializeAws_json1_1DeleteAddressBookRequest = (
   input: DeleteAddressBookRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AddressBookArn !== undefined) {
-    bodyParams["AddressBookArn"] = input.AddressBookArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.AddressBookArn !== undefined && {
+      AddressBookArn: input.AddressBookArn
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteBusinessReportScheduleRequest = (
   input: DeleteBusinessReportScheduleRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ScheduleArn !== undefined) {
-    bodyParams["ScheduleArn"] = input.ScheduleArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.ScheduleArn !== undefined && { ScheduleArn: input.ScheduleArn })
+  };
 };
 
 const serializeAws_json1_1DeleteConferenceProviderRequest = (
   input: DeleteConferenceProviderRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ConferenceProviderArn !== undefined) {
-    bodyParams["ConferenceProviderArn"] = input.ConferenceProviderArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.ConferenceProviderArn !== undefined && {
+      ConferenceProviderArn: input.ConferenceProviderArn
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteContactRequest = (
   input: DeleteContactRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ContactArn !== undefined) {
-    bodyParams["ContactArn"] = input.ContactArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.ContactArn !== undefined && { ContactArn: input.ContactArn })
+  };
 };
 
 const serializeAws_json1_1DeleteDeviceRequest = (
   input: DeleteDeviceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DeviceArn !== undefined) {
-    bodyParams["DeviceArn"] = input.DeviceArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.DeviceArn !== undefined && { DeviceArn: input.DeviceArn })
+  };
 };
 
 const serializeAws_json1_1DeleteGatewayGroupRequest = (
   input: DeleteGatewayGroupRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.GatewayGroupArn !== undefined) {
-    bodyParams["GatewayGroupArn"] = input.GatewayGroupArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.GatewayGroupArn !== undefined && {
+      GatewayGroupArn: input.GatewayGroupArn
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteNetworkProfileRequest = (
   input: DeleteNetworkProfileRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.NetworkProfileArn !== undefined) {
-    bodyParams["NetworkProfileArn"] = input.NetworkProfileArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.NetworkProfileArn !== undefined && {
+      NetworkProfileArn: input.NetworkProfileArn
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteProfileRequest = (
   input: DeleteProfileRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ProfileArn !== undefined) {
-    bodyParams["ProfileArn"] = input.ProfileArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.ProfileArn !== undefined && { ProfileArn: input.ProfileArn })
+  };
 };
 
 const serializeAws_json1_1DeleteRoomRequest = (
   input: DeleteRoomRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.RoomArn !== undefined) {
-    bodyParams["RoomArn"] = input.RoomArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.RoomArn !== undefined && { RoomArn: input.RoomArn })
+  };
 };
 
 const serializeAws_json1_1DeleteRoomSkillParameterRequest = (
   input: DeleteRoomSkillParameterRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ParameterKey !== undefined) {
-    bodyParams["ParameterKey"] = input.ParameterKey;
-  }
-  if (input.RoomArn !== undefined) {
-    bodyParams["RoomArn"] = input.RoomArn;
-  }
-  if (input.SkillId !== undefined) {
-    bodyParams["SkillId"] = input.SkillId;
-  }
-  return bodyParams;
+  return {
+    ...(input.ParameterKey !== undefined && {
+      ParameterKey: input.ParameterKey
+    }),
+    ...(input.RoomArn !== undefined && { RoomArn: input.RoomArn }),
+    ...(input.SkillId !== undefined && { SkillId: input.SkillId })
+  };
 };
 
 const serializeAws_json1_1DeleteSkillAuthorizationRequest = (
   input: DeleteSkillAuthorizationRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.RoomArn !== undefined) {
-    bodyParams["RoomArn"] = input.RoomArn;
-  }
-  if (input.SkillId !== undefined) {
-    bodyParams["SkillId"] = input.SkillId;
-  }
-  return bodyParams;
+  return {
+    ...(input.RoomArn !== undefined && { RoomArn: input.RoomArn }),
+    ...(input.SkillId !== undefined && { SkillId: input.SkillId })
+  };
 };
 
 const serializeAws_json1_1DeleteSkillGroupRequest = (
   input: DeleteSkillGroupRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.SkillGroupArn !== undefined) {
-    bodyParams["SkillGroupArn"] = input.SkillGroupArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.SkillGroupArn !== undefined && {
+      SkillGroupArn: input.SkillGroupArn
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteUserRequest = (
   input: DeleteUserRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EnrollmentId !== undefined) {
-    bodyParams["EnrollmentId"] = input.EnrollmentId;
-  }
-  if (input.UserArn !== undefined) {
-    bodyParams["UserArn"] = input.UserArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.EnrollmentId !== undefined && {
+      EnrollmentId: input.EnrollmentId
+    }),
+    ...(input.UserArn !== undefined && { UserArn: input.UserArn })
+  };
 };
 
 const serializeAws_json1_1DisassociateContactFromAddressBookRequest = (
   input: DisassociateContactFromAddressBookRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AddressBookArn !== undefined) {
-    bodyParams["AddressBookArn"] = input.AddressBookArn;
-  }
-  if (input.ContactArn !== undefined) {
-    bodyParams["ContactArn"] = input.ContactArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.AddressBookArn !== undefined && {
+      AddressBookArn: input.AddressBookArn
+    }),
+    ...(input.ContactArn !== undefined && { ContactArn: input.ContactArn })
+  };
 };
 
 const serializeAws_json1_1DisassociateDeviceFromRoomRequest = (
   input: DisassociateDeviceFromRoomRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DeviceArn !== undefined) {
-    bodyParams["DeviceArn"] = input.DeviceArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.DeviceArn !== undefined && { DeviceArn: input.DeviceArn })
+  };
 };
 
 const serializeAws_json1_1DisassociateSkillFromSkillGroupRequest = (
   input: DisassociateSkillFromSkillGroupRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.SkillGroupArn !== undefined) {
-    bodyParams["SkillGroupArn"] = input.SkillGroupArn;
-  }
-  if (input.SkillId !== undefined) {
-    bodyParams["SkillId"] = input.SkillId;
-  }
-  return bodyParams;
+  return {
+    ...(input.SkillGroupArn !== undefined && {
+      SkillGroupArn: input.SkillGroupArn
+    }),
+    ...(input.SkillId !== undefined && { SkillId: input.SkillId })
+  };
 };
 
 const serializeAws_json1_1DisassociateSkillFromUsersRequest = (
   input: DisassociateSkillFromUsersRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.SkillId !== undefined) {
-    bodyParams["SkillId"] = input.SkillId;
-  }
-  return bodyParams;
+  return {
+    ...(input.SkillId !== undefined && { SkillId: input.SkillId })
+  };
 };
 
 const serializeAws_json1_1DisassociateSkillGroupFromRoomRequest = (
   input: DisassociateSkillGroupFromRoomRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.RoomArn !== undefined) {
-    bodyParams["RoomArn"] = input.RoomArn;
-  }
-  if (input.SkillGroupArn !== undefined) {
-    bodyParams["SkillGroupArn"] = input.SkillGroupArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.RoomArn !== undefined && { RoomArn: input.RoomArn }),
+    ...(input.SkillGroupArn !== undefined && {
+      SkillGroupArn: input.SkillGroupArn
+    })
+  };
 };
 
 const serializeAws_json1_1EndOfMeetingReminderMinutesList = (
@@ -9631,335 +9413,261 @@ const serializeAws_json1_1ForgetSmartHomeAppliancesRequest = (
   input: ForgetSmartHomeAppliancesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.RoomArn !== undefined) {
-    bodyParams["RoomArn"] = input.RoomArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.RoomArn !== undefined && { RoomArn: input.RoomArn })
+  };
 };
 
 const serializeAws_json1_1GetAddressBookRequest = (
   input: GetAddressBookRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AddressBookArn !== undefined) {
-    bodyParams["AddressBookArn"] = input.AddressBookArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.AddressBookArn !== undefined && {
+      AddressBookArn: input.AddressBookArn
+    })
+  };
 };
 
 const serializeAws_json1_1GetConferencePreferenceRequest = (
   input: GetConferencePreferenceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  return bodyParams;
+  return {};
 };
 
 const serializeAws_json1_1GetConferenceProviderRequest = (
   input: GetConferenceProviderRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ConferenceProviderArn !== undefined) {
-    bodyParams["ConferenceProviderArn"] = input.ConferenceProviderArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.ConferenceProviderArn !== undefined && {
+      ConferenceProviderArn: input.ConferenceProviderArn
+    })
+  };
 };
 
 const serializeAws_json1_1GetContactRequest = (
   input: GetContactRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ContactArn !== undefined) {
-    bodyParams["ContactArn"] = input.ContactArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.ContactArn !== undefined && { ContactArn: input.ContactArn })
+  };
 };
 
 const serializeAws_json1_1GetDeviceRequest = (
   input: GetDeviceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DeviceArn !== undefined) {
-    bodyParams["DeviceArn"] = input.DeviceArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.DeviceArn !== undefined && { DeviceArn: input.DeviceArn })
+  };
 };
 
 const serializeAws_json1_1GetGatewayGroupRequest = (
   input: GetGatewayGroupRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.GatewayGroupArn !== undefined) {
-    bodyParams["GatewayGroupArn"] = input.GatewayGroupArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.GatewayGroupArn !== undefined && {
+      GatewayGroupArn: input.GatewayGroupArn
+    })
+  };
 };
 
 const serializeAws_json1_1GetGatewayRequest = (
   input: GetGatewayRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.GatewayArn !== undefined) {
-    bodyParams["GatewayArn"] = input.GatewayArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.GatewayArn !== undefined && { GatewayArn: input.GatewayArn })
+  };
 };
 
 const serializeAws_json1_1GetInvitationConfigurationRequest = (
   input: GetInvitationConfigurationRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  return bodyParams;
+  return {};
 };
 
 const serializeAws_json1_1GetNetworkProfileRequest = (
   input: GetNetworkProfileRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.NetworkProfileArn !== undefined) {
-    bodyParams["NetworkProfileArn"] = input.NetworkProfileArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.NetworkProfileArn !== undefined && {
+      NetworkProfileArn: input.NetworkProfileArn
+    })
+  };
 };
 
 const serializeAws_json1_1GetProfileRequest = (
   input: GetProfileRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ProfileArn !== undefined) {
-    bodyParams["ProfileArn"] = input.ProfileArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.ProfileArn !== undefined && { ProfileArn: input.ProfileArn })
+  };
 };
 
 const serializeAws_json1_1GetRoomRequest = (
   input: GetRoomRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.RoomArn !== undefined) {
-    bodyParams["RoomArn"] = input.RoomArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.RoomArn !== undefined && { RoomArn: input.RoomArn })
+  };
 };
 
 const serializeAws_json1_1GetRoomSkillParameterRequest = (
   input: GetRoomSkillParameterRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ParameterKey !== undefined) {
-    bodyParams["ParameterKey"] = input.ParameterKey;
-  }
-  if (input.RoomArn !== undefined) {
-    bodyParams["RoomArn"] = input.RoomArn;
-  }
-  if (input.SkillId !== undefined) {
-    bodyParams["SkillId"] = input.SkillId;
-  }
-  return bodyParams;
+  return {
+    ...(input.ParameterKey !== undefined && {
+      ParameterKey: input.ParameterKey
+    }),
+    ...(input.RoomArn !== undefined && { RoomArn: input.RoomArn }),
+    ...(input.SkillId !== undefined && { SkillId: input.SkillId })
+  };
 };
 
 const serializeAws_json1_1GetSkillGroupRequest = (
   input: GetSkillGroupRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.SkillGroupArn !== undefined) {
-    bodyParams["SkillGroupArn"] = input.SkillGroupArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.SkillGroupArn !== undefined && {
+      SkillGroupArn: input.SkillGroupArn
+    })
+  };
 };
 
 const serializeAws_json1_1ListBusinessReportSchedulesRequest = (
   input: ListBusinessReportSchedulesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1ListConferenceProvidersRequest = (
   input: ListConferenceProvidersRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1ListDeviceEventsRequest = (
   input: ListDeviceEventsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DeviceArn !== undefined) {
-    bodyParams["DeviceArn"] = input.DeviceArn;
-  }
-  if (input.EventType !== undefined) {
-    bodyParams["EventType"] = input.EventType;
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.DeviceArn !== undefined && { DeviceArn: input.DeviceArn }),
+    ...(input.EventType !== undefined && { EventType: input.EventType }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1ListGatewayGroupsRequest = (
   input: ListGatewayGroupsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1ListGatewaysRequest = (
   input: ListGatewaysRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.GatewayGroupArn !== undefined) {
-    bodyParams["GatewayGroupArn"] = input.GatewayGroupArn;
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.GatewayGroupArn !== undefined && {
+      GatewayGroupArn: input.GatewayGroupArn
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1ListSkillsRequest = (
   input: ListSkillsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EnablementType !== undefined) {
-    bodyParams["EnablementType"] = input.EnablementType;
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.SkillGroupArn !== undefined) {
-    bodyParams["SkillGroupArn"] = input.SkillGroupArn;
-  }
-  if (input.SkillType !== undefined) {
-    bodyParams["SkillType"] = input.SkillType;
-  }
-  return bodyParams;
+  return {
+    ...(input.EnablementType !== undefined && {
+      EnablementType: input.EnablementType
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.SkillGroupArn !== undefined && {
+      SkillGroupArn: input.SkillGroupArn
+    }),
+    ...(input.SkillType !== undefined && { SkillType: input.SkillType })
+  };
 };
 
 const serializeAws_json1_1ListSkillsStoreCategoriesRequest = (
   input: ListSkillsStoreCategoriesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1ListSkillsStoreSkillsByCategoryRequest = (
   input: ListSkillsStoreSkillsByCategoryRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CategoryId !== undefined) {
-    bodyParams["CategoryId"] = input.CategoryId;
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.CategoryId !== undefined && { CategoryId: input.CategoryId }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1ListSmartHomeAppliancesRequest = (
   input: ListSmartHomeAppliancesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.RoomArn !== undefined) {
-    bodyParams["RoomArn"] = input.RoomArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.RoomArn !== undefined && { RoomArn: input.RoomArn })
+  };
 };
 
 const serializeAws_json1_1ListTagsRequest = (
   input: ListTagsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Arn !== undefined) {
-    bodyParams["Arn"] = input.Arn;
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.Arn !== undefined && { Arn: input.Arn }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1PhoneNumber = (
   input: PhoneNumber,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Number !== undefined) {
-    bodyParams["Number"] = input.Number;
-  }
-  if (input.Type !== undefined) {
-    bodyParams["Type"] = input.Type;
-  }
-  return bodyParams;
+  return {
+    ...(input.Number !== undefined && { Number: input.Number }),
+    ...(input.Type !== undefined && { Type: input.Type })
+  };
 };
 
 const serializeAws_json1_1PhoneNumberList = (
@@ -9973,371 +9681,263 @@ const serializeAws_json1_1PutConferencePreferenceRequest = (
   input: PutConferencePreferenceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ConferencePreference !== undefined) {
-    bodyParams[
-      "ConferencePreference"
-    ] = serializeAws_json1_1ConferencePreference(
-      input.ConferencePreference,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ConferencePreference !== undefined && {
+      ConferencePreference: serializeAws_json1_1ConferencePreference(
+        input.ConferencePreference,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1PutInvitationConfigurationRequest = (
   input: PutInvitationConfigurationRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ContactEmail !== undefined) {
-    bodyParams["ContactEmail"] = input.ContactEmail;
-  }
-  if (input.OrganizationName !== undefined) {
-    bodyParams["OrganizationName"] = input.OrganizationName;
-  }
-  if (input.PrivateSkillIds !== undefined) {
-    bodyParams["PrivateSkillIds"] = serializeAws_json1_1ShortSkillIdList(
-      input.PrivateSkillIds,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ContactEmail !== undefined && {
+      ContactEmail: input.ContactEmail
+    }),
+    ...(input.OrganizationName !== undefined && {
+      OrganizationName: input.OrganizationName
+    }),
+    ...(input.PrivateSkillIds !== undefined && {
+      PrivateSkillIds: serializeAws_json1_1ShortSkillIdList(
+        input.PrivateSkillIds,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1PutRoomSkillParameterRequest = (
   input: PutRoomSkillParameterRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.RoomArn !== undefined) {
-    bodyParams["RoomArn"] = input.RoomArn;
-  }
-  if (input.RoomSkillParameter !== undefined) {
-    bodyParams["RoomSkillParameter"] = serializeAws_json1_1RoomSkillParameter(
-      input.RoomSkillParameter,
-      context
-    );
-  }
-  if (input.SkillId !== undefined) {
-    bodyParams["SkillId"] = input.SkillId;
-  }
-  return bodyParams;
+  return {
+    ...(input.RoomArn !== undefined && { RoomArn: input.RoomArn }),
+    ...(input.RoomSkillParameter !== undefined && {
+      RoomSkillParameter: serializeAws_json1_1RoomSkillParameter(
+        input.RoomSkillParameter,
+        context
+      )
+    }),
+    ...(input.SkillId !== undefined && { SkillId: input.SkillId })
+  };
 };
 
 const serializeAws_json1_1PutSkillAuthorizationRequest = (
   input: PutSkillAuthorizationRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AuthorizationResult !== undefined) {
-    bodyParams["AuthorizationResult"] = serializeAws_json1_1AuthorizationResult(
-      input.AuthorizationResult,
-      context
-    );
-  }
-  if (input.RoomArn !== undefined) {
-    bodyParams["RoomArn"] = input.RoomArn;
-  }
-  if (input.SkillId !== undefined) {
-    bodyParams["SkillId"] = input.SkillId;
-  }
-  return bodyParams;
+  return {
+    ...(input.AuthorizationResult !== undefined && {
+      AuthorizationResult: serializeAws_json1_1AuthorizationResult(
+        input.AuthorizationResult,
+        context
+      )
+    }),
+    ...(input.RoomArn !== undefined && { RoomArn: input.RoomArn }),
+    ...(input.SkillId !== undefined && { SkillId: input.SkillId })
+  };
 };
 
 const serializeAws_json1_1RegisterAVSDeviceRequest = (
   input: RegisterAVSDeviceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AmazonId !== undefined) {
-    bodyParams["AmazonId"] = input.AmazonId;
-  }
-  if (input.ClientId !== undefined) {
-    bodyParams["ClientId"] = input.ClientId;
-  }
-  if (input.DeviceSerialNumber !== undefined) {
-    bodyParams["DeviceSerialNumber"] = input.DeviceSerialNumber;
-  }
-  if (input.ProductId !== undefined) {
-    bodyParams["ProductId"] = input.ProductId;
-  }
-  if (input.UserCode !== undefined) {
-    bodyParams["UserCode"] = input.UserCode;
-  }
-  return bodyParams;
+  return {
+    ...(input.AmazonId !== undefined && { AmazonId: input.AmazonId }),
+    ...(input.ClientId !== undefined && { ClientId: input.ClientId }),
+    ...(input.DeviceSerialNumber !== undefined && {
+      DeviceSerialNumber: input.DeviceSerialNumber
+    }),
+    ...(input.ProductId !== undefined && { ProductId: input.ProductId }),
+    ...(input.UserCode !== undefined && { UserCode: input.UserCode })
+  };
 };
 
 const serializeAws_json1_1RejectSkillRequest = (
   input: RejectSkillRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.SkillId !== undefined) {
-    bodyParams["SkillId"] = input.SkillId;
-  }
-  return bodyParams;
+  return {
+    ...(input.SkillId !== undefined && { SkillId: input.SkillId })
+  };
 };
 
 const serializeAws_json1_1ResolveRoomRequest = (
   input: ResolveRoomRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.SkillId !== undefined) {
-    bodyParams["SkillId"] = input.SkillId;
-  }
-  if (input.UserId !== undefined) {
-    bodyParams["UserId"] = input.UserId;
-  }
-  return bodyParams;
+  return {
+    ...(input.SkillId !== undefined && { SkillId: input.SkillId }),
+    ...(input.UserId !== undefined && { UserId: input.UserId })
+  };
 };
 
 const serializeAws_json1_1RevokeInvitationRequest = (
   input: RevokeInvitationRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EnrollmentId !== undefined) {
-    bodyParams["EnrollmentId"] = input.EnrollmentId;
-  }
-  if (input.UserArn !== undefined) {
-    bodyParams["UserArn"] = input.UserArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.EnrollmentId !== undefined && {
+      EnrollmentId: input.EnrollmentId
+    }),
+    ...(input.UserArn !== undefined && { UserArn: input.UserArn })
+  };
 };
 
 const serializeAws_json1_1RoomSkillParameter = (
   input: RoomSkillParameter,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ParameterKey !== undefined) {
-    bodyParams["ParameterKey"] = input.ParameterKey;
-  }
-  if (input.ParameterValue !== undefined) {
-    bodyParams["ParameterValue"] = input.ParameterValue;
-  }
-  return bodyParams;
+  return {
+    ...(input.ParameterKey !== undefined && {
+      ParameterKey: input.ParameterKey
+    }),
+    ...(input.ParameterValue !== undefined && {
+      ParameterValue: input.ParameterValue
+    })
+  };
 };
 
 const serializeAws_json1_1SearchAddressBooksRequest = (
   input: SearchAddressBooksRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Filters !== undefined) {
-    bodyParams["Filters"] = serializeAws_json1_1FilterList(
-      input.Filters,
-      context
-    );
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.SortCriteria !== undefined) {
-    bodyParams["SortCriteria"] = serializeAws_json1_1SortList(
-      input.SortCriteria,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Filters !== undefined && {
+      Filters: serializeAws_json1_1FilterList(input.Filters, context)
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.SortCriteria !== undefined && {
+      SortCriteria: serializeAws_json1_1SortList(input.SortCriteria, context)
+    })
+  };
 };
 
 const serializeAws_json1_1SearchContactsRequest = (
   input: SearchContactsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Filters !== undefined) {
-    bodyParams["Filters"] = serializeAws_json1_1FilterList(
-      input.Filters,
-      context
-    );
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.SortCriteria !== undefined) {
-    bodyParams["SortCriteria"] = serializeAws_json1_1SortList(
-      input.SortCriteria,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Filters !== undefined && {
+      Filters: serializeAws_json1_1FilterList(input.Filters, context)
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.SortCriteria !== undefined && {
+      SortCriteria: serializeAws_json1_1SortList(input.SortCriteria, context)
+    })
+  };
 };
 
 const serializeAws_json1_1SearchDevicesRequest = (
   input: SearchDevicesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Filters !== undefined) {
-    bodyParams["Filters"] = serializeAws_json1_1FilterList(
-      input.Filters,
-      context
-    );
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.SortCriteria !== undefined) {
-    bodyParams["SortCriteria"] = serializeAws_json1_1SortList(
-      input.SortCriteria,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Filters !== undefined && {
+      Filters: serializeAws_json1_1FilterList(input.Filters, context)
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.SortCriteria !== undefined && {
+      SortCriteria: serializeAws_json1_1SortList(input.SortCriteria, context)
+    })
+  };
 };
 
 const serializeAws_json1_1SearchNetworkProfilesRequest = (
   input: SearchNetworkProfilesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Filters !== undefined) {
-    bodyParams["Filters"] = serializeAws_json1_1FilterList(
-      input.Filters,
-      context
-    );
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.SortCriteria !== undefined) {
-    bodyParams["SortCriteria"] = serializeAws_json1_1SortList(
-      input.SortCriteria,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Filters !== undefined && {
+      Filters: serializeAws_json1_1FilterList(input.Filters, context)
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.SortCriteria !== undefined && {
+      SortCriteria: serializeAws_json1_1SortList(input.SortCriteria, context)
+    })
+  };
 };
 
 const serializeAws_json1_1SearchProfilesRequest = (
   input: SearchProfilesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Filters !== undefined) {
-    bodyParams["Filters"] = serializeAws_json1_1FilterList(
-      input.Filters,
-      context
-    );
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.SortCriteria !== undefined) {
-    bodyParams["SortCriteria"] = serializeAws_json1_1SortList(
-      input.SortCriteria,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Filters !== undefined && {
+      Filters: serializeAws_json1_1FilterList(input.Filters, context)
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.SortCriteria !== undefined && {
+      SortCriteria: serializeAws_json1_1SortList(input.SortCriteria, context)
+    })
+  };
 };
 
 const serializeAws_json1_1SearchRoomsRequest = (
   input: SearchRoomsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Filters !== undefined) {
-    bodyParams["Filters"] = serializeAws_json1_1FilterList(
-      input.Filters,
-      context
-    );
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.SortCriteria !== undefined) {
-    bodyParams["SortCriteria"] = serializeAws_json1_1SortList(
-      input.SortCriteria,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Filters !== undefined && {
+      Filters: serializeAws_json1_1FilterList(input.Filters, context)
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.SortCriteria !== undefined && {
+      SortCriteria: serializeAws_json1_1SortList(input.SortCriteria, context)
+    })
+  };
 };
 
 const serializeAws_json1_1SearchSkillGroupsRequest = (
   input: SearchSkillGroupsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Filters !== undefined) {
-    bodyParams["Filters"] = serializeAws_json1_1FilterList(
-      input.Filters,
-      context
-    );
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.SortCriteria !== undefined) {
-    bodyParams["SortCriteria"] = serializeAws_json1_1SortList(
-      input.SortCriteria,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Filters !== undefined && {
+      Filters: serializeAws_json1_1FilterList(input.Filters, context)
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.SortCriteria !== undefined && {
+      SortCriteria: serializeAws_json1_1SortList(input.SortCriteria, context)
+    })
+  };
 };
 
 const serializeAws_json1_1SearchUsersRequest = (
   input: SearchUsersRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Filters !== undefined) {
-    bodyParams["Filters"] = serializeAws_json1_1FilterList(
-      input.Filters,
-      context
-    );
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.SortCriteria !== undefined) {
-    bodyParams["SortCriteria"] = serializeAws_json1_1SortList(
-      input.SortCriteria,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Filters !== undefined && {
+      Filters: serializeAws_json1_1FilterList(input.Filters, context)
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.SortCriteria !== undefined && {
+      SortCriteria: serializeAws_json1_1SortList(input.SortCriteria, context)
+    })
+  };
 };
 
 const serializeAws_json1_1SendInvitationRequest = (
   input: SendInvitationRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.UserArn !== undefined) {
-    bodyParams["UserArn"] = input.UserArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.UserArn !== undefined && { UserArn: input.UserArn })
+  };
 };
 
 const serializeAws_json1_1ShortSkillIdList = (
@@ -10351,14 +9951,10 @@ const serializeAws_json1_1SipAddress = (
   input: SipAddress,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Type !== undefined) {
-    bodyParams["Type"] = input.Type;
-  }
-  if (input.Uri !== undefined) {
-    bodyParams["Uri"] = input.Uri;
-  }
-  return bodyParams;
+  return {
+    ...(input.Type !== undefined && { Type: input.Type }),
+    ...(input.Uri !== undefined && { Uri: input.Uri })
+  };
 };
 
 const serializeAws_json1_1SipAddressList = (
@@ -10372,14 +9968,10 @@ const serializeAws_json1_1Sort = (
   input: Sort,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Key !== undefined) {
-    bodyParams["Key"] = input.Key;
-  }
-  if (input.Value !== undefined) {
-    bodyParams["Value"] = input.Value;
-  }
-  return bodyParams;
+  return {
+    ...(input.Key !== undefined && { Key: input.Key }),
+    ...(input.Value !== undefined && { Value: input.Value })
+  };
 };
 
 const serializeAws_json1_1SortList = (
@@ -10393,42 +9985,29 @@ const serializeAws_json1_1StartDeviceSyncRequest = (
   input: StartDeviceSyncRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DeviceArn !== undefined) {
-    bodyParams["DeviceArn"] = input.DeviceArn;
-  }
-  if (input.Features !== undefined) {
-    bodyParams["Features"] = serializeAws_json1_1Features(
-      input.Features,
-      context
-    );
-  }
-  if (input.RoomArn !== undefined) {
-    bodyParams["RoomArn"] = input.RoomArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.DeviceArn !== undefined && { DeviceArn: input.DeviceArn }),
+    ...(input.Features !== undefined && {
+      Features: serializeAws_json1_1Features(input.Features, context)
+    }),
+    ...(input.RoomArn !== undefined && { RoomArn: input.RoomArn })
+  };
 };
 
 const serializeAws_json1_1StartSmartHomeApplianceDiscoveryRequest = (
   input: StartSmartHomeApplianceDiscoveryRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.RoomArn !== undefined) {
-    bodyParams["RoomArn"] = input.RoomArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.RoomArn !== undefined && { RoomArn: input.RoomArn })
+  };
 };
 
 const serializeAws_json1_1Tag = (input: Tag, context: __SerdeContext): any => {
-  const bodyParams: any = {};
-  if (input.Key !== undefined) {
-    bodyParams["Key"] = input.Key;
-  }
-  if (input.Value !== undefined) {
-    bodyParams["Value"] = input.Value;
-  }
-  return bodyParams;
+  return {
+    ...(input.Key !== undefined && { Key: input.Key }),
+    ...(input.Value !== undefined && { Value: input.Value })
+  };
 };
 
 const serializeAws_json1_1TagKeyList = (
@@ -10449,14 +10028,12 @@ const serializeAws_json1_1TagResourceRequest = (
   input: TagResourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Arn !== undefined) {
-    bodyParams["Arn"] = input.Arn;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagList(input.Tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.Arn !== undefined && { Arn: input.Arn }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagList(input.Tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1TrustAnchorList = (
@@ -10470,387 +10047,301 @@ const serializeAws_json1_1UntagResourceRequest = (
   input: UntagResourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Arn !== undefined) {
-    bodyParams["Arn"] = input.Arn;
-  }
-  if (input.TagKeys !== undefined) {
-    bodyParams["TagKeys"] = serializeAws_json1_1TagKeyList(
-      input.TagKeys,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Arn !== undefined && { Arn: input.Arn }),
+    ...(input.TagKeys !== undefined && {
+      TagKeys: serializeAws_json1_1TagKeyList(input.TagKeys, context)
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateAddressBookRequest = (
   input: UpdateAddressBookRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AddressBookArn !== undefined) {
-    bodyParams["AddressBookArn"] = input.AddressBookArn;
-  }
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.AddressBookArn !== undefined && {
+      AddressBookArn: input.AddressBookArn
+    }),
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1UpdateBusinessReportScheduleRequest = (
   input: UpdateBusinessReportScheduleRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Format !== undefined) {
-    bodyParams["Format"] = input.Format;
-  }
-  if (input.Recurrence !== undefined) {
-    bodyParams["Recurrence"] = serializeAws_json1_1BusinessReportRecurrence(
-      input.Recurrence,
-      context
-    );
-  }
-  if (input.S3BucketName !== undefined) {
-    bodyParams["S3BucketName"] = input.S3BucketName;
-  }
-  if (input.S3KeyPrefix !== undefined) {
-    bodyParams["S3KeyPrefix"] = input.S3KeyPrefix;
-  }
-  if (input.ScheduleArn !== undefined) {
-    bodyParams["ScheduleArn"] = input.ScheduleArn;
-  }
-  if (input.ScheduleName !== undefined) {
-    bodyParams["ScheduleName"] = input.ScheduleName;
-  }
-  return bodyParams;
+  return {
+    ...(input.Format !== undefined && { Format: input.Format }),
+    ...(input.Recurrence !== undefined && {
+      Recurrence: serializeAws_json1_1BusinessReportRecurrence(
+        input.Recurrence,
+        context
+      )
+    }),
+    ...(input.S3BucketName !== undefined && {
+      S3BucketName: input.S3BucketName
+    }),
+    ...(input.S3KeyPrefix !== undefined && { S3KeyPrefix: input.S3KeyPrefix }),
+    ...(input.ScheduleArn !== undefined && { ScheduleArn: input.ScheduleArn }),
+    ...(input.ScheduleName !== undefined && {
+      ScheduleName: input.ScheduleName
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateConferenceProviderRequest = (
   input: UpdateConferenceProviderRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ConferenceProviderArn !== undefined) {
-    bodyParams["ConferenceProviderArn"] = input.ConferenceProviderArn;
-  }
-  if (input.ConferenceProviderType !== undefined) {
-    bodyParams["ConferenceProviderType"] = input.ConferenceProviderType;
-  }
-  if (input.IPDialIn !== undefined) {
-    bodyParams["IPDialIn"] = serializeAws_json1_1IPDialIn(
-      input.IPDialIn,
-      context
-    );
-  }
-  if (input.MeetingSetting !== undefined) {
-    bodyParams["MeetingSetting"] = serializeAws_json1_1MeetingSetting(
-      input.MeetingSetting,
-      context
-    );
-  }
-  if (input.PSTNDialIn !== undefined) {
-    bodyParams["PSTNDialIn"] = serializeAws_json1_1PSTNDialIn(
-      input.PSTNDialIn,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ConferenceProviderArn !== undefined && {
+      ConferenceProviderArn: input.ConferenceProviderArn
+    }),
+    ...(input.ConferenceProviderType !== undefined && {
+      ConferenceProviderType: input.ConferenceProviderType
+    }),
+    ...(input.IPDialIn !== undefined && {
+      IPDialIn: serializeAws_json1_1IPDialIn(input.IPDialIn, context)
+    }),
+    ...(input.MeetingSetting !== undefined && {
+      MeetingSetting: serializeAws_json1_1MeetingSetting(
+        input.MeetingSetting,
+        context
+      )
+    }),
+    ...(input.PSTNDialIn !== undefined && {
+      PSTNDialIn: serializeAws_json1_1PSTNDialIn(input.PSTNDialIn, context)
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateContactRequest = (
   input: UpdateContactRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ContactArn !== undefined) {
-    bodyParams["ContactArn"] = input.ContactArn;
-  }
-  if (input.DisplayName !== undefined) {
-    bodyParams["DisplayName"] = input.DisplayName;
-  }
-  if (input.FirstName !== undefined) {
-    bodyParams["FirstName"] = input.FirstName;
-  }
-  if (input.LastName !== undefined) {
-    bodyParams["LastName"] = input.LastName;
-  }
-  if (input.PhoneNumber !== undefined) {
-    bodyParams["PhoneNumber"] = input.PhoneNumber;
-  }
-  if (input.PhoneNumbers !== undefined) {
-    bodyParams["PhoneNumbers"] = serializeAws_json1_1PhoneNumberList(
-      input.PhoneNumbers,
-      context
-    );
-  }
-  if (input.SipAddresses !== undefined) {
-    bodyParams["SipAddresses"] = serializeAws_json1_1SipAddressList(
-      input.SipAddresses,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ContactArn !== undefined && { ContactArn: input.ContactArn }),
+    ...(input.DisplayName !== undefined && { DisplayName: input.DisplayName }),
+    ...(input.FirstName !== undefined && { FirstName: input.FirstName }),
+    ...(input.LastName !== undefined && { LastName: input.LastName }),
+    ...(input.PhoneNumber !== undefined && { PhoneNumber: input.PhoneNumber }),
+    ...(input.PhoneNumbers !== undefined && {
+      PhoneNumbers: serializeAws_json1_1PhoneNumberList(
+        input.PhoneNumbers,
+        context
+      )
+    }),
+    ...(input.SipAddresses !== undefined && {
+      SipAddresses: serializeAws_json1_1SipAddressList(
+        input.SipAddresses,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateDeviceRequest = (
   input: UpdateDeviceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DeviceArn !== undefined) {
-    bodyParams["DeviceArn"] = input.DeviceArn;
-  }
-  if (input.DeviceName !== undefined) {
-    bodyParams["DeviceName"] = input.DeviceName;
-  }
-  return bodyParams;
+  return {
+    ...(input.DeviceArn !== undefined && { DeviceArn: input.DeviceArn }),
+    ...(input.DeviceName !== undefined && { DeviceName: input.DeviceName })
+  };
 };
 
 const serializeAws_json1_1UpdateEndOfMeetingReminder = (
   input: UpdateEndOfMeetingReminder,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Enabled !== undefined) {
-    bodyParams["Enabled"] = input.Enabled;
-  }
-  if (input.ReminderAtMinutes !== undefined) {
-    bodyParams[
-      "ReminderAtMinutes"
-    ] = serializeAws_json1_1EndOfMeetingReminderMinutesList(
-      input.ReminderAtMinutes,
-      context
-    );
-  }
-  if (input.ReminderType !== undefined) {
-    bodyParams["ReminderType"] = input.ReminderType;
-  }
-  return bodyParams;
+  return {
+    ...(input.Enabled !== undefined && { Enabled: input.Enabled }),
+    ...(input.ReminderAtMinutes !== undefined && {
+      ReminderAtMinutes: serializeAws_json1_1EndOfMeetingReminderMinutesList(
+        input.ReminderAtMinutes,
+        context
+      )
+    }),
+    ...(input.ReminderType !== undefined && {
+      ReminderType: input.ReminderType
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateGatewayGroupRequest = (
   input: UpdateGatewayGroupRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.GatewayGroupArn !== undefined) {
-    bodyParams["GatewayGroupArn"] = input.GatewayGroupArn;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.GatewayGroupArn !== undefined && {
+      GatewayGroupArn: input.GatewayGroupArn
+    }),
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1UpdateGatewayRequest = (
   input: UpdateGatewayRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.GatewayArn !== undefined) {
-    bodyParams["GatewayArn"] = input.GatewayArn;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.SoftwareVersion !== undefined) {
-    bodyParams["SoftwareVersion"] = input.SoftwareVersion;
-  }
-  return bodyParams;
+  return {
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.GatewayArn !== undefined && { GatewayArn: input.GatewayArn }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.SoftwareVersion !== undefined && {
+      SoftwareVersion: input.SoftwareVersion
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateInstantBooking = (
   input: UpdateInstantBooking,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DurationInMinutes !== undefined) {
-    bodyParams["DurationInMinutes"] = input.DurationInMinutes;
-  }
-  if (input.Enabled !== undefined) {
-    bodyParams["Enabled"] = input.Enabled;
-  }
-  return bodyParams;
+  return {
+    ...(input.DurationInMinutes !== undefined && {
+      DurationInMinutes: input.DurationInMinutes
+    }),
+    ...(input.Enabled !== undefined && { Enabled: input.Enabled })
+  };
 };
 
 const serializeAws_json1_1UpdateMeetingRoomConfiguration = (
   input: UpdateMeetingRoomConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EndOfMeetingReminder !== undefined) {
-    bodyParams[
-      "EndOfMeetingReminder"
-    ] = serializeAws_json1_1UpdateEndOfMeetingReminder(
-      input.EndOfMeetingReminder,
-      context
-    );
-  }
-  if (input.InstantBooking !== undefined) {
-    bodyParams["InstantBooking"] = serializeAws_json1_1UpdateInstantBooking(
-      input.InstantBooking,
-      context
-    );
-  }
-  if (input.RequireCheckIn !== undefined) {
-    bodyParams["RequireCheckIn"] = serializeAws_json1_1UpdateRequireCheckIn(
-      input.RequireCheckIn,
-      context
-    );
-  }
-  if (input.RoomUtilizationMetricsEnabled !== undefined) {
-    bodyParams["RoomUtilizationMetricsEnabled"] =
-      input.RoomUtilizationMetricsEnabled;
-  }
-  return bodyParams;
+  return {
+    ...(input.EndOfMeetingReminder !== undefined && {
+      EndOfMeetingReminder: serializeAws_json1_1UpdateEndOfMeetingReminder(
+        input.EndOfMeetingReminder,
+        context
+      )
+    }),
+    ...(input.InstantBooking !== undefined && {
+      InstantBooking: serializeAws_json1_1UpdateInstantBooking(
+        input.InstantBooking,
+        context
+      )
+    }),
+    ...(input.RequireCheckIn !== undefined && {
+      RequireCheckIn: serializeAws_json1_1UpdateRequireCheckIn(
+        input.RequireCheckIn,
+        context
+      )
+    }),
+    ...(input.RoomUtilizationMetricsEnabled !== undefined && {
+      RoomUtilizationMetricsEnabled: input.RoomUtilizationMetricsEnabled
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateNetworkProfileRequest = (
   input: UpdateNetworkProfileRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CertificateAuthorityArn !== undefined) {
-    bodyParams["CertificateAuthorityArn"] = input.CertificateAuthorityArn;
-  }
-  if (input.CurrentPassword !== undefined) {
-    bodyParams["CurrentPassword"] = input.CurrentPassword;
-  }
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.NetworkProfileArn !== undefined) {
-    bodyParams["NetworkProfileArn"] = input.NetworkProfileArn;
-  }
-  if (input.NetworkProfileName !== undefined) {
-    bodyParams["NetworkProfileName"] = input.NetworkProfileName;
-  }
-  if (input.NextPassword !== undefined) {
-    bodyParams["NextPassword"] = input.NextPassword;
-  }
-  if (input.TrustAnchors !== undefined) {
-    bodyParams["TrustAnchors"] = serializeAws_json1_1TrustAnchorList(
-      input.TrustAnchors,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.CertificateAuthorityArn !== undefined && {
+      CertificateAuthorityArn: input.CertificateAuthorityArn
+    }),
+    ...(input.CurrentPassword !== undefined && {
+      CurrentPassword: input.CurrentPassword
+    }),
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.NetworkProfileArn !== undefined && {
+      NetworkProfileArn: input.NetworkProfileArn
+    }),
+    ...(input.NetworkProfileName !== undefined && {
+      NetworkProfileName: input.NetworkProfileName
+    }),
+    ...(input.NextPassword !== undefined && {
+      NextPassword: input.NextPassword
+    }),
+    ...(input.TrustAnchors !== undefined && {
+      TrustAnchors: serializeAws_json1_1TrustAnchorList(
+        input.TrustAnchors,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateProfileRequest = (
   input: UpdateProfileRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Address !== undefined) {
-    bodyParams["Address"] = input.Address;
-  }
-  if (input.DistanceUnit !== undefined) {
-    bodyParams["DistanceUnit"] = input.DistanceUnit;
-  }
-  if (input.IsDefault !== undefined) {
-    bodyParams["IsDefault"] = input.IsDefault;
-  }
-  if (input.Locale !== undefined) {
-    bodyParams["Locale"] = input.Locale;
-  }
-  if (input.MaxVolumeLimit !== undefined) {
-    bodyParams["MaxVolumeLimit"] = input.MaxVolumeLimit;
-  }
-  if (input.MeetingRoomConfiguration !== undefined) {
-    bodyParams[
-      "MeetingRoomConfiguration"
-    ] = serializeAws_json1_1UpdateMeetingRoomConfiguration(
-      input.MeetingRoomConfiguration,
-      context
-    );
-  }
-  if (input.PSTNEnabled !== undefined) {
-    bodyParams["PSTNEnabled"] = input.PSTNEnabled;
-  }
-  if (input.ProfileArn !== undefined) {
-    bodyParams["ProfileArn"] = input.ProfileArn;
-  }
-  if (input.ProfileName !== undefined) {
-    bodyParams["ProfileName"] = input.ProfileName;
-  }
-  if (input.SetupModeDisabled !== undefined) {
-    bodyParams["SetupModeDisabled"] = input.SetupModeDisabled;
-  }
-  if (input.TemperatureUnit !== undefined) {
-    bodyParams["TemperatureUnit"] = input.TemperatureUnit;
-  }
-  if (input.Timezone !== undefined) {
-    bodyParams["Timezone"] = input.Timezone;
-  }
-  if (input.WakeWord !== undefined) {
-    bodyParams["WakeWord"] = input.WakeWord;
-  }
-  return bodyParams;
+  return {
+    ...(input.Address !== undefined && { Address: input.Address }),
+    ...(input.DistanceUnit !== undefined && {
+      DistanceUnit: input.DistanceUnit
+    }),
+    ...(input.IsDefault !== undefined && { IsDefault: input.IsDefault }),
+    ...(input.Locale !== undefined && { Locale: input.Locale }),
+    ...(input.MaxVolumeLimit !== undefined && {
+      MaxVolumeLimit: input.MaxVolumeLimit
+    }),
+    ...(input.MeetingRoomConfiguration !== undefined && {
+      MeetingRoomConfiguration: serializeAws_json1_1UpdateMeetingRoomConfiguration(
+        input.MeetingRoomConfiguration,
+        context
+      )
+    }),
+    ...(input.PSTNEnabled !== undefined && { PSTNEnabled: input.PSTNEnabled }),
+    ...(input.ProfileArn !== undefined && { ProfileArn: input.ProfileArn }),
+    ...(input.ProfileName !== undefined && { ProfileName: input.ProfileName }),
+    ...(input.SetupModeDisabled !== undefined && {
+      SetupModeDisabled: input.SetupModeDisabled
+    }),
+    ...(input.TemperatureUnit !== undefined && {
+      TemperatureUnit: input.TemperatureUnit
+    }),
+    ...(input.Timezone !== undefined && { Timezone: input.Timezone }),
+    ...(input.WakeWord !== undefined && { WakeWord: input.WakeWord })
+  };
 };
 
 const serializeAws_json1_1UpdateRequireCheckIn = (
   input: UpdateRequireCheckIn,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Enabled !== undefined) {
-    bodyParams["Enabled"] = input.Enabled;
-  }
-  if (input.ReleaseAfterMinutes !== undefined) {
-    bodyParams["ReleaseAfterMinutes"] = input.ReleaseAfterMinutes;
-  }
-  return bodyParams;
+  return {
+    ...(input.Enabled !== undefined && { Enabled: input.Enabled }),
+    ...(input.ReleaseAfterMinutes !== undefined && {
+      ReleaseAfterMinutes: input.ReleaseAfterMinutes
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateRoomRequest = (
   input: UpdateRoomRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.ProfileArn !== undefined) {
-    bodyParams["ProfileArn"] = input.ProfileArn;
-  }
-  if (input.ProviderCalendarId !== undefined) {
-    bodyParams["ProviderCalendarId"] = input.ProviderCalendarId;
-  }
-  if (input.RoomArn !== undefined) {
-    bodyParams["RoomArn"] = input.RoomArn;
-  }
-  if (input.RoomName !== undefined) {
-    bodyParams["RoomName"] = input.RoomName;
-  }
-  return bodyParams;
+  return {
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.ProfileArn !== undefined && { ProfileArn: input.ProfileArn }),
+    ...(input.ProviderCalendarId !== undefined && {
+      ProviderCalendarId: input.ProviderCalendarId
+    }),
+    ...(input.RoomArn !== undefined && { RoomArn: input.RoomArn }),
+    ...(input.RoomName !== undefined && { RoomName: input.RoomName })
+  };
 };
 
 const serializeAws_json1_1UpdateSkillGroupRequest = (
   input: UpdateSkillGroupRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.SkillGroupArn !== undefined) {
-    bodyParams["SkillGroupArn"] = input.SkillGroupArn;
-  }
-  if (input.SkillGroupName !== undefined) {
-    bodyParams["SkillGroupName"] = input.SkillGroupName;
-  }
-  return bodyParams;
+  return {
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.SkillGroupArn !== undefined && {
+      SkillGroupArn: input.SkillGroupArn
+    }),
+    ...(input.SkillGroupName !== undefined && {
+      SkillGroupName: input.SkillGroupName
+    })
+  };
 };
 
 const deserializeAws_json1_1AlreadyExistsException = (
diff --git a/clients/client-amplify/protocols/Aws_restJson1_1.ts b/clients/client-amplify/protocols/Aws_restJson1_1.ts
index 78e37335ace8..0fc3de3b4f3a 100644
--- a/clients/client-amplify/protocols/Aws_restJson1_1.ts
+++ b/clients/client-amplify/protocols/Aws_restJson1_1.ts
@@ -5889,40 +5889,32 @@ const serializeAws_restJson1_1AutoBranchCreationConfig = (
   input: AutoBranchCreationConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.basicAuthCredentials !== undefined) {
-    bodyParams["basicAuthCredentials"] = input.basicAuthCredentials;
-  }
-  if (input.buildSpec !== undefined) {
-    bodyParams["buildSpec"] = input.buildSpec;
-  }
-  if (input.enableAutoBuild !== undefined) {
-    bodyParams["enableAutoBuild"] = input.enableAutoBuild;
-  }
-  if (input.enableBasicAuth !== undefined) {
-    bodyParams["enableBasicAuth"] = input.enableBasicAuth;
-  }
-  if (input.enablePullRequestPreview !== undefined) {
-    bodyParams["enablePullRequestPreview"] = input.enablePullRequestPreview;
-  }
-  if (input.environmentVariables !== undefined) {
-    bodyParams[
-      "environmentVariables"
-    ] = serializeAws_restJson1_1EnvironmentVariables(
-      input.environmentVariables,
-      context
-    );
-  }
-  if (input.framework !== undefined) {
-    bodyParams["framework"] = input.framework;
-  }
-  if (input.pullRequestEnvironmentName !== undefined) {
-    bodyParams["pullRequestEnvironmentName"] = input.pullRequestEnvironmentName;
-  }
-  if (input.stage !== undefined) {
-    bodyParams["stage"] = input.stage;
-  }
-  return bodyParams;
+  return {
+    ...(input.basicAuthCredentials !== undefined && {
+      basicAuthCredentials: input.basicAuthCredentials
+    }),
+    ...(input.buildSpec !== undefined && { buildSpec: input.buildSpec }),
+    ...(input.enableAutoBuild !== undefined && {
+      enableAutoBuild: input.enableAutoBuild
+    }),
+    ...(input.enableBasicAuth !== undefined && {
+      enableBasicAuth: input.enableBasicAuth
+    }),
+    ...(input.enablePullRequestPreview !== undefined && {
+      enablePullRequestPreview: input.enablePullRequestPreview
+    }),
+    ...(input.environmentVariables !== undefined && {
+      environmentVariables: serializeAws_restJson1_1EnvironmentVariables(
+        input.environmentVariables,
+        context
+      )
+    }),
+    ...(input.framework !== undefined && { framework: input.framework }),
+    ...(input.pullRequestEnvironmentName !== undefined && {
+      pullRequestEnvironmentName: input.pullRequestEnvironmentName
+    }),
+    ...(input.stage !== undefined && { stage: input.stage })
+  };
 };
 
 const serializeAws_restJson1_1AutoBranchCreationPatterns = (
@@ -5936,20 +5928,12 @@ const serializeAws_restJson1_1CustomRule = (
   input: CustomRule,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.condition !== undefined) {
-    bodyParams["condition"] = input.condition;
-  }
-  if (input.source !== undefined) {
-    bodyParams["source"] = input.source;
-  }
-  if (input.status !== undefined) {
-    bodyParams["status"] = input.status;
-  }
-  if (input.target !== undefined) {
-    bodyParams["target"] = input.target;
-  }
-  return bodyParams;
+  return {
+    ...(input.condition !== undefined && { condition: input.condition }),
+    ...(input.source !== undefined && { source: input.source }),
+    ...(input.status !== undefined && { status: input.status }),
+    ...(input.target !== undefined && { target: input.target })
+  };
 };
 
 const serializeAws_restJson1_1CustomRules = (
@@ -5983,14 +5967,10 @@ const serializeAws_restJson1_1SubDomainSetting = (
   input: SubDomainSetting,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.branchName !== undefined) {
-    bodyParams["branchName"] = input.branchName;
-  }
-  if (input.prefix !== undefined) {
-    bodyParams["prefix"] = input.prefix;
-  }
-  return bodyParams;
+  return {
+    ...(input.branchName !== undefined && { branchName: input.branchName }),
+    ...(input.prefix !== undefined && { prefix: input.prefix })
+  };
 };
 
 const serializeAws_restJson1_1SubDomainSettings = (
diff --git a/clients/client-api-gateway/protocols/Aws_restJson1_1.ts b/clients/client-api-gateway/protocols/Aws_restJson1_1.ts
index 9769cdaad305..d8c88b180fa3 100644
--- a/clients/client-api-gateway/protocols/Aws_restJson1_1.ts
+++ b/clients/client-api-gateway/protocols/Aws_restJson1_1.ts
@@ -22650,112 +22650,89 @@ const serializeAws_restJson1_1ApiStage = (
   input: ApiStage,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.apiId !== undefined) {
-    bodyParams["apiId"] = input.apiId;
-  }
-  if (input.stage !== undefined) {
-    bodyParams["stage"] = input.stage;
-  }
-  if (input.throttle !== undefined) {
-    bodyParams[
-      "throttle"
-    ] = serializeAws_restJson1_1MapOfApiStageThrottleSettings(
-      input.throttle,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.apiId !== undefined && { apiId: input.apiId }),
+    ...(input.stage !== undefined && { stage: input.stage }),
+    ...(input.throttle !== undefined && {
+      throttle: serializeAws_restJson1_1MapOfApiStageThrottleSettings(
+        input.throttle,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1CanarySettings = (
   input: CanarySettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.deploymentId !== undefined) {
-    bodyParams["deploymentId"] = input.deploymentId;
-  }
-  if (input.percentTraffic !== undefined) {
-    bodyParams["percentTraffic"] = input.percentTraffic;
-  }
-  if (input.stageVariableOverrides !== undefined) {
-    bodyParams[
-      "stageVariableOverrides"
-    ] = serializeAws_restJson1_1MapOfStringToString(
-      input.stageVariableOverrides,
-      context
-    );
-  }
-  if (input.useStageCache !== undefined) {
-    bodyParams["useStageCache"] = input.useStageCache;
-  }
-  return bodyParams;
+  return {
+    ...(input.deploymentId !== undefined && {
+      deploymentId: input.deploymentId
+    }),
+    ...(input.percentTraffic !== undefined && {
+      percentTraffic: input.percentTraffic
+    }),
+    ...(input.stageVariableOverrides !== undefined && {
+      stageVariableOverrides: serializeAws_restJson1_1MapOfStringToString(
+        input.stageVariableOverrides,
+        context
+      )
+    }),
+    ...(input.useStageCache !== undefined && {
+      useStageCache: input.useStageCache
+    })
+  };
 };
 
 const serializeAws_restJson1_1DeploymentCanarySettings = (
   input: DeploymentCanarySettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.percentTraffic !== undefined) {
-    bodyParams["percentTraffic"] = input.percentTraffic;
-  }
-  if (input.stageVariableOverrides !== undefined) {
-    bodyParams[
-      "stageVariableOverrides"
-    ] = serializeAws_restJson1_1MapOfStringToString(
-      input.stageVariableOverrides,
-      context
-    );
-  }
-  if (input.useStageCache !== undefined) {
-    bodyParams["useStageCache"] = input.useStageCache;
-  }
-  return bodyParams;
+  return {
+    ...(input.percentTraffic !== undefined && {
+      percentTraffic: input.percentTraffic
+    }),
+    ...(input.stageVariableOverrides !== undefined && {
+      stageVariableOverrides: serializeAws_restJson1_1MapOfStringToString(
+        input.stageVariableOverrides,
+        context
+      )
+    }),
+    ...(input.useStageCache !== undefined && {
+      useStageCache: input.useStageCache
+    })
+  };
 };
 
 const serializeAws_restJson1_1DocumentationPartLocation = (
   input: DocumentationPartLocation,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.method !== undefined) {
-    bodyParams["method"] = input.method;
-  }
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  if (input.path !== undefined) {
-    bodyParams["path"] = input.path;
-  }
-  if (input.statusCode !== undefined) {
-    bodyParams["statusCode"] = input.statusCode;
-  }
-  if (input.type !== undefined) {
-    bodyParams["type"] = input.type;
-  }
-  return bodyParams;
+  return {
+    ...(input.method !== undefined && { method: input.method }),
+    ...(input.name !== undefined && { name: input.name }),
+    ...(input.path !== undefined && { path: input.path }),
+    ...(input.statusCode !== undefined && { statusCode: input.statusCode }),
+    ...(input.type !== undefined && { type: input.type })
+  };
 };
 
 const serializeAws_restJson1_1EndpointConfiguration = (
   input: EndpointConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.types !== undefined) {
-    bodyParams["types"] = serializeAws_restJson1_1ListOfEndpointType(
-      input.types,
-      context
-    );
-  }
-  if (input.vpcEndpointIds !== undefined) {
-    bodyParams["vpcEndpointIds"] = serializeAws_restJson1_1ListOfString(
-      input.vpcEndpointIds,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.types !== undefined && {
+      types: serializeAws_restJson1_1ListOfEndpointType(input.types, context)
+    }),
+    ...(input.vpcEndpointIds !== undefined && {
+      vpcEndpointIds: serializeAws_restJson1_1ListOfString(
+        input.vpcEndpointIds,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1ListOfARNs = (
@@ -22830,45 +22807,31 @@ const serializeAws_restJson1_1QuotaSettings = (
   input: QuotaSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.limit !== undefined) {
-    bodyParams["limit"] = input.limit;
-  }
-  if (input.offset !== undefined) {
-    bodyParams["offset"] = input.offset;
-  }
-  if (input.period !== undefined) {
-    bodyParams["period"] = input.period;
-  }
-  return bodyParams;
+  return {
+    ...(input.limit !== undefined && { limit: input.limit }),
+    ...(input.offset !== undefined && { offset: input.offset }),
+    ...(input.period !== undefined && { period: input.period })
+  };
 };
 
 const serializeAws_restJson1_1StageKey = (
   input: StageKey,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.restApiId !== undefined) {
-    bodyParams["restApiId"] = input.restApiId;
-  }
-  if (input.stageName !== undefined) {
-    bodyParams["stageName"] = input.stageName;
-  }
-  return bodyParams;
+  return {
+    ...(input.restApiId !== undefined && { restApiId: input.restApiId }),
+    ...(input.stageName !== undefined && { stageName: input.stageName })
+  };
 };
 
 const serializeAws_restJson1_1ThrottleSettings = (
   input: ThrottleSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.burstLimit !== undefined) {
-    bodyParams["burstLimit"] = input.burstLimit;
-  }
-  if (input.rateLimit !== undefined) {
-    bodyParams["rateLimit"] = input.rateLimit;
-  }
-  return bodyParams;
+  return {
+    ...(input.burstLimit !== undefined && { burstLimit: input.burstLimit }),
+    ...(input.rateLimit !== undefined && { rateLimit: input.rateLimit })
+  };
 };
 
 const serializeAws_restJson1_1ListOfPatchOperation = (
@@ -22891,20 +22854,12 @@ const serializeAws_restJson1_1PatchOperation = (
   input: PatchOperation,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.from !== undefined) {
-    bodyParams["from"] = input.from;
-  }
-  if (input.op !== undefined) {
-    bodyParams["op"] = input.op;
-  }
-  if (input.path !== undefined) {
-    bodyParams["path"] = input.path;
-  }
-  if (input.value !== undefined) {
-    bodyParams["value"] = input.value;
-  }
-  return bodyParams;
+  return {
+    ...(input.from !== undefined && { from: input.from }),
+    ...(input.op !== undefined && { op: input.op }),
+    ...(input.path !== undefined && { path: input.path }),
+    ...(input.value !== undefined && { value: input.value })
+  };
 };
 
 const deserializeAws_restJson1_1AccessLogSettings = (
diff --git a/clients/client-apigatewayv2/protocols/Aws_restJson1_1.ts b/clients/client-apigatewayv2/protocols/Aws_restJson1_1.ts
index 59433e6e139b..d07fdb457998 100644
--- a/clients/client-apigatewayv2/protocols/Aws_restJson1_1.ts
+++ b/clients/client-apigatewayv2/protocols/Aws_restJson1_1.ts
@@ -10501,14 +10501,12 @@ const serializeAws_restJson1_1AccessLogSettings = (
   input: AccessLogSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DestinationArn !== undefined) {
-    bodyParams["destinationArn"] = input.DestinationArn;
-  }
-  if (input.Format !== undefined) {
-    bodyParams["format"] = input.Format;
-  }
-  return bodyParams;
+  return {
+    ...(input.DestinationArn !== undefined && {
+      destinationArn: input.DestinationArn
+    }),
+    ...(input.Format !== undefined && { format: input.Format })
+  };
 };
 
 const serializeAws_restJson1_1AuthorizationScopes = (
@@ -10522,38 +10520,36 @@ const serializeAws_restJson1_1Cors = (
   input: Cors,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AllowCredentials !== undefined) {
-    bodyParams["allowCredentials"] = input.AllowCredentials;
-  }
-  if (input.AllowHeaders !== undefined) {
-    bodyParams["allowHeaders"] = serializeAws_restJson1_1CorsHeaderList(
-      input.AllowHeaders,
-      context
-    );
-  }
-  if (input.AllowMethods !== undefined) {
-    bodyParams["allowMethods"] = serializeAws_restJson1_1CorsMethodList(
-      input.AllowMethods,
-      context
-    );
-  }
-  if (input.AllowOrigins !== undefined) {
-    bodyParams["allowOrigins"] = serializeAws_restJson1_1CorsOriginList(
-      input.AllowOrigins,
-      context
-    );
-  }
-  if (input.ExposeHeaders !== undefined) {
-    bodyParams["exposeHeaders"] = serializeAws_restJson1_1CorsHeaderList(
-      input.ExposeHeaders,
-      context
-    );
-  }
-  if (input.MaxAge !== undefined) {
-    bodyParams["maxAge"] = input.MaxAge;
-  }
-  return bodyParams;
+  return {
+    ...(input.AllowCredentials !== undefined && {
+      allowCredentials: input.AllowCredentials
+    }),
+    ...(input.AllowHeaders !== undefined && {
+      allowHeaders: serializeAws_restJson1_1CorsHeaderList(
+        input.AllowHeaders,
+        context
+      )
+    }),
+    ...(input.AllowMethods !== undefined && {
+      allowMethods: serializeAws_restJson1_1CorsMethodList(
+        input.AllowMethods,
+        context
+      )
+    }),
+    ...(input.AllowOrigins !== undefined && {
+      allowOrigins: serializeAws_restJson1_1CorsOriginList(
+        input.AllowOrigins,
+        context
+      )
+    }),
+    ...(input.ExposeHeaders !== undefined && {
+      exposeHeaders: serializeAws_restJson1_1CorsHeaderList(
+        input.ExposeHeaders,
+        context
+      )
+    }),
+    ...(input.MaxAge !== undefined && { maxAge: input.MaxAge })
+  };
 };
 
 const serializeAws_restJson1_1CorsHeaderList = (
@@ -10581,36 +10577,36 @@ const serializeAws_restJson1_1DomainNameConfiguration = (
   input: DomainNameConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ApiGatewayDomainName !== undefined) {
-    bodyParams["apiGatewayDomainName"] = input.ApiGatewayDomainName;
-  }
-  if (input.CertificateArn !== undefined) {
-    bodyParams["certificateArn"] = input.CertificateArn;
-  }
-  if (input.CertificateName !== undefined) {
-    bodyParams["certificateName"] = input.CertificateName;
-  }
-  if (input.CertificateUploadDate !== undefined) {
-    bodyParams["certificateUploadDate"] =
-      input.CertificateUploadDate.toISOString().split(".")[0] + "Z";
-  }
-  if (input.DomainNameStatus !== undefined) {
-    bodyParams["domainNameStatus"] = input.DomainNameStatus;
-  }
-  if (input.DomainNameStatusMessage !== undefined) {
-    bodyParams["domainNameStatusMessage"] = input.DomainNameStatusMessage;
-  }
-  if (input.EndpointType !== undefined) {
-    bodyParams["endpointType"] = input.EndpointType;
-  }
-  if (input.HostedZoneId !== undefined) {
-    bodyParams["hostedZoneId"] = input.HostedZoneId;
-  }
-  if (input.SecurityPolicy !== undefined) {
-    bodyParams["securityPolicy"] = input.SecurityPolicy;
-  }
-  return bodyParams;
+  return {
+    ...(input.ApiGatewayDomainName !== undefined && {
+      apiGatewayDomainName: input.ApiGatewayDomainName
+    }),
+    ...(input.CertificateArn !== undefined && {
+      certificateArn: input.CertificateArn
+    }),
+    ...(input.CertificateName !== undefined && {
+      certificateName: input.CertificateName
+    }),
+    ...(input.CertificateUploadDate !== undefined && {
+      certificateUploadDate:
+        input.CertificateUploadDate.toISOString().split(".")[0] + "Z"
+    }),
+    ...(input.DomainNameStatus !== undefined && {
+      domainNameStatus: input.DomainNameStatus
+    }),
+    ...(input.DomainNameStatusMessage !== undefined && {
+      domainNameStatusMessage: input.DomainNameStatusMessage
+    }),
+    ...(input.EndpointType !== undefined && {
+      endpointType: input.EndpointType
+    }),
+    ...(input.HostedZoneId !== undefined && {
+      hostedZoneId: input.HostedZoneId
+    }),
+    ...(input.SecurityPolicy !== undefined && {
+      securityPolicy: input.SecurityPolicy
+    })
+  };
 };
 
 const serializeAws_restJson1_1DomainNameConfigurations = (
@@ -10643,28 +10639,24 @@ const serializeAws_restJson1_1JWTConfiguration = (
   input: JWTConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Audience !== undefined) {
-    bodyParams["audience"] = serializeAws_restJson1_1__listOf__string(
-      input.Audience,
-      context
-    );
-  }
-  if (input.Issuer !== undefined) {
-    bodyParams["issuer"] = input.Issuer;
-  }
-  return bodyParams;
+  return {
+    ...(input.Audience !== undefined && {
+      audience: serializeAws_restJson1_1__listOf__string(
+        input.Audience,
+        context
+      )
+    }),
+    ...(input.Issuer !== undefined && { issuer: input.Issuer })
+  };
 };
 
 const serializeAws_restJson1_1ParameterConstraints = (
   input: ParameterConstraints,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Required !== undefined) {
-    bodyParams["required"] = input.Required;
-  }
-  return bodyParams;
+  return {
+    ...(input.Required !== undefined && { required: input.Required })
+  };
 };
 
 const serializeAws_restJson1_1RouteModels = (
@@ -10694,23 +10686,23 @@ const serializeAws_restJson1_1RouteSettings = (
   input: RouteSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DataTraceEnabled !== undefined) {
-    bodyParams["dataTraceEnabled"] = input.DataTraceEnabled;
-  }
-  if (input.DetailedMetricsEnabled !== undefined) {
-    bodyParams["detailedMetricsEnabled"] = input.DetailedMetricsEnabled;
-  }
-  if (input.LoggingLevel !== undefined) {
-    bodyParams["loggingLevel"] = input.LoggingLevel;
-  }
-  if (input.ThrottlingBurstLimit !== undefined) {
-    bodyParams["throttlingBurstLimit"] = input.ThrottlingBurstLimit;
-  }
-  if (input.ThrottlingRateLimit !== undefined) {
-    bodyParams["throttlingRateLimit"] = input.ThrottlingRateLimit;
-  }
-  return bodyParams;
+  return {
+    ...(input.DataTraceEnabled !== undefined && {
+      dataTraceEnabled: input.DataTraceEnabled
+    }),
+    ...(input.DetailedMetricsEnabled !== undefined && {
+      detailedMetricsEnabled: input.DetailedMetricsEnabled
+    }),
+    ...(input.LoggingLevel !== undefined && {
+      loggingLevel: input.LoggingLevel
+    }),
+    ...(input.ThrottlingBurstLimit !== undefined && {
+      throttlingBurstLimit: input.ThrottlingBurstLimit
+    }),
+    ...(input.ThrottlingRateLimit !== undefined && {
+      throttlingRateLimit: input.ThrottlingRateLimit
+    })
+  };
 };
 
 const serializeAws_restJson1_1RouteSettingsMap = (
diff --git a/clients/client-app-mesh/protocols/Aws_restJson1_1.ts b/clients/client-app-mesh/protocols/Aws_restJson1_1.ts
index 928b76e9b72c..20e653c90bf3 100644
--- a/clients/client-app-mesh/protocols/Aws_restJson1_1.ts
+++ b/clients/client-app-mesh/protocols/Aws_restJson1_1.ts
@@ -5247,14 +5247,10 @@ const serializeAws_restJson1_1AwsCloudMapInstanceAttribute = (
   input: AwsCloudMapInstanceAttribute,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.key !== undefined) {
-    bodyParams["key"] = input.key;
-  }
-  if (input.value !== undefined) {
-    bodyParams["value"] = input.value;
-  }
-  return bodyParams;
+  return {
+    ...(input.key !== undefined && { key: input.key }),
+    ...(input.value !== undefined && { value: input.value })
+  };
 };
 
 const serializeAws_restJson1_1AwsCloudMapInstanceAttributes = (
@@ -5270,22 +5266,18 @@ const serializeAws_restJson1_1AwsCloudMapServiceDiscovery = (
   input: AwsCloudMapServiceDiscovery,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.attributes !== undefined) {
-    bodyParams[
-      "attributes"
-    ] = serializeAws_restJson1_1AwsCloudMapInstanceAttributes(
-      input.attributes,
-      context
-    );
-  }
-  if (input.namespaceName !== undefined) {
-    bodyParams["namespaceName"] = input.namespaceName;
-  }
-  if (input.serviceName !== undefined) {
-    bodyParams["serviceName"] = input.serviceName;
-  }
-  return bodyParams;
+  return {
+    ...(input.attributes !== undefined && {
+      attributes: serializeAws_restJson1_1AwsCloudMapInstanceAttributes(
+        input.attributes,
+        context
+      )
+    }),
+    ...(input.namespaceName !== undefined && {
+      namespaceName: input.namespaceName
+    }),
+    ...(input.serviceName !== undefined && { serviceName: input.serviceName })
+  };
 };
 
 const serializeAws_restJson1_1Backend = (
@@ -5310,86 +5302,70 @@ const serializeAws_restJson1_1DnsServiceDiscovery = (
   input: DnsServiceDiscovery,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.hostname !== undefined) {
-    bodyParams["hostname"] = input.hostname;
-  }
-  return bodyParams;
+  return {
+    ...(input.hostname !== undefined && { hostname: input.hostname })
+  };
 };
 
 const serializeAws_restJson1_1Duration = (
   input: Duration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.unit !== undefined) {
-    bodyParams["unit"] = input.unit;
-  }
-  if (input.value !== undefined) {
-    bodyParams["value"] = input.value;
-  }
-  return bodyParams;
+  return {
+    ...(input.unit !== undefined && { unit: input.unit }),
+    ...(input.value !== undefined && { value: input.value })
+  };
 };
 
 const serializeAws_restJson1_1EgressFilter = (
   input: EgressFilter,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.type !== undefined) {
-    bodyParams["type"] = input.type;
-  }
-  return bodyParams;
+  return {
+    ...(input.type !== undefined && { type: input.type })
+  };
 };
 
 const serializeAws_restJson1_1FileAccessLog = (
   input: FileAccessLog,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.path !== undefined) {
-    bodyParams["path"] = input.path;
-  }
-  return bodyParams;
+  return {
+    ...(input.path !== undefined && { path: input.path })
+  };
 };
 
 const serializeAws_restJson1_1GrpcRetryPolicy = (
   input: GrpcRetryPolicy,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.grpcRetryEvents !== undefined) {
-    bodyParams[
-      "grpcRetryEvents"
-    ] = serializeAws_restJson1_1GrpcRetryPolicyEvents(
-      input.grpcRetryEvents,
-      context
-    );
-  }
-  if (input.httpRetryEvents !== undefined) {
-    bodyParams[
-      "httpRetryEvents"
-    ] = serializeAws_restJson1_1HttpRetryPolicyEvents(
-      input.httpRetryEvents,
-      context
-    );
-  }
-  if (input.maxRetries !== undefined) {
-    bodyParams["maxRetries"] = input.maxRetries;
-  }
-  if (input.perRetryTimeout !== undefined) {
-    bodyParams["perRetryTimeout"] = serializeAws_restJson1_1Duration(
-      input.perRetryTimeout,
-      context
-    );
-  }
-  if (input.tcpRetryEvents !== undefined) {
-    bodyParams["tcpRetryEvents"] = serializeAws_restJson1_1TcpRetryPolicyEvents(
-      input.tcpRetryEvents,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.grpcRetryEvents !== undefined && {
+      grpcRetryEvents: serializeAws_restJson1_1GrpcRetryPolicyEvents(
+        input.grpcRetryEvents,
+        context
+      )
+    }),
+    ...(input.httpRetryEvents !== undefined && {
+      httpRetryEvents: serializeAws_restJson1_1HttpRetryPolicyEvents(
+        input.httpRetryEvents,
+        context
+      )
+    }),
+    ...(input.maxRetries !== undefined && { maxRetries: input.maxRetries }),
+    ...(input.perRetryTimeout !== undefined && {
+      perRetryTimeout: serializeAws_restJson1_1Duration(
+        input.perRetryTimeout,
+        context
+      )
+    }),
+    ...(input.tcpRetryEvents !== undefined && {
+      tcpRetryEvents: serializeAws_restJson1_1TcpRetryPolicyEvents(
+        input.tcpRetryEvents,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1GrpcRetryPolicyEvents = (
@@ -5403,80 +5379,66 @@ const serializeAws_restJson1_1GrpcRoute = (
   input: GrpcRoute,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.action !== undefined) {
-    bodyParams["action"] = serializeAws_restJson1_1GrpcRouteAction(
-      input.action,
-      context
-    );
-  }
-  if (input.match !== undefined) {
-    bodyParams["match"] = serializeAws_restJson1_1GrpcRouteMatch(
-      input.match,
-      context
-    );
-  }
-  if (input.retryPolicy !== undefined) {
-    bodyParams["retryPolicy"] = serializeAws_restJson1_1GrpcRetryPolicy(
-      input.retryPolicy,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.action !== undefined && {
+      action: serializeAws_restJson1_1GrpcRouteAction(input.action, context)
+    }),
+    ...(input.match !== undefined && {
+      match: serializeAws_restJson1_1GrpcRouteMatch(input.match, context)
+    }),
+    ...(input.retryPolicy !== undefined && {
+      retryPolicy: serializeAws_restJson1_1GrpcRetryPolicy(
+        input.retryPolicy,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1GrpcRouteAction = (
   input: GrpcRouteAction,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.weightedTargets !== undefined) {
-    bodyParams["weightedTargets"] = serializeAws_restJson1_1WeightedTargets(
-      input.weightedTargets,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.weightedTargets !== undefined && {
+      weightedTargets: serializeAws_restJson1_1WeightedTargets(
+        input.weightedTargets,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1GrpcRouteMatch = (
   input: GrpcRouteMatch,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.metadata !== undefined) {
-    bodyParams["metadata"] = serializeAws_restJson1_1GrpcRouteMetadataList(
-      input.metadata,
-      context
-    );
-  }
-  if (input.methodName !== undefined) {
-    bodyParams["methodName"] = input.methodName;
-  }
-  if (input.serviceName !== undefined) {
-    bodyParams["serviceName"] = input.serviceName;
-  }
-  return bodyParams;
+  return {
+    ...(input.metadata !== undefined && {
+      metadata: serializeAws_restJson1_1GrpcRouteMetadataList(
+        input.metadata,
+        context
+      )
+    }),
+    ...(input.methodName !== undefined && { methodName: input.methodName }),
+    ...(input.serviceName !== undefined && { serviceName: input.serviceName })
+  };
 };
 
 const serializeAws_restJson1_1GrpcRouteMetadata = (
   input: GrpcRouteMetadata,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.invert !== undefined) {
-    bodyParams["invert"] = input.invert;
-  }
-  if (input.match !== undefined) {
-    bodyParams["match"] = serializeAws_restJson1_1GrpcRouteMetadataMatchMethod(
-      input.match,
-      context
-    );
-  }
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  return bodyParams;
+  return {
+    ...(input.invert !== undefined && { invert: input.invert }),
+    ...(input.match !== undefined && {
+      match: serializeAws_restJson1_1GrpcRouteMetadataMatchMethod(
+        input.match,
+        context
+      )
+    }),
+    ...(input.name !== undefined && { name: input.name })
+  };
 };
 
 const serializeAws_restJson1_1GrpcRouteMetadataList = (
@@ -5520,60 +5482,50 @@ const serializeAws_restJson1_1HealthCheckPolicy = (
   input: HealthCheckPolicy,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.healthyThreshold !== undefined) {
-    bodyParams["healthyThreshold"] = input.healthyThreshold;
-  }
-  if (input.intervalMillis !== undefined) {
-    bodyParams["intervalMillis"] = input.intervalMillis;
-  }
-  if (input.path !== undefined) {
-    bodyParams["path"] = input.path;
-  }
-  if (input.port !== undefined) {
-    bodyParams["port"] = input.port;
-  }
-  if (input.protocol !== undefined) {
-    bodyParams["protocol"] = input.protocol;
-  }
-  if (input.timeoutMillis !== undefined) {
-    bodyParams["timeoutMillis"] = input.timeoutMillis;
-  }
-  if (input.unhealthyThreshold !== undefined) {
-    bodyParams["unhealthyThreshold"] = input.unhealthyThreshold;
-  }
-  return bodyParams;
+  return {
+    ...(input.healthyThreshold !== undefined && {
+      healthyThreshold: input.healthyThreshold
+    }),
+    ...(input.intervalMillis !== undefined && {
+      intervalMillis: input.intervalMillis
+    }),
+    ...(input.path !== undefined && { path: input.path }),
+    ...(input.port !== undefined && { port: input.port }),
+    ...(input.protocol !== undefined && { protocol: input.protocol }),
+    ...(input.timeoutMillis !== undefined && {
+      timeoutMillis: input.timeoutMillis
+    }),
+    ...(input.unhealthyThreshold !== undefined && {
+      unhealthyThreshold: input.unhealthyThreshold
+    })
+  };
 };
 
 const serializeAws_restJson1_1HttpRetryPolicy = (
   input: HttpRetryPolicy,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.httpRetryEvents !== undefined) {
-    bodyParams[
-      "httpRetryEvents"
-    ] = serializeAws_restJson1_1HttpRetryPolicyEvents(
-      input.httpRetryEvents,
-      context
-    );
-  }
-  if (input.maxRetries !== undefined) {
-    bodyParams["maxRetries"] = input.maxRetries;
-  }
-  if (input.perRetryTimeout !== undefined) {
-    bodyParams["perRetryTimeout"] = serializeAws_restJson1_1Duration(
-      input.perRetryTimeout,
-      context
-    );
-  }
-  if (input.tcpRetryEvents !== undefined) {
-    bodyParams["tcpRetryEvents"] = serializeAws_restJson1_1TcpRetryPolicyEvents(
-      input.tcpRetryEvents,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.httpRetryEvents !== undefined && {
+      httpRetryEvents: serializeAws_restJson1_1HttpRetryPolicyEvents(
+        input.httpRetryEvents,
+        context
+      )
+    }),
+    ...(input.maxRetries !== undefined && { maxRetries: input.maxRetries }),
+    ...(input.perRetryTimeout !== undefined && {
+      perRetryTimeout: serializeAws_restJson1_1Duration(
+        input.perRetryTimeout,
+        context
+      )
+    }),
+    ...(input.tcpRetryEvents !== undefined && {
+      tcpRetryEvents: serializeAws_restJson1_1TcpRetryPolicyEvents(
+        input.tcpRetryEvents,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1HttpRetryPolicyEvents = (
@@ -5587,60 +5539,47 @@ const serializeAws_restJson1_1HttpRoute = (
   input: HttpRoute,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.action !== undefined) {
-    bodyParams["action"] = serializeAws_restJson1_1HttpRouteAction(
-      input.action,
-      context
-    );
-  }
-  if (input.match !== undefined) {
-    bodyParams["match"] = serializeAws_restJson1_1HttpRouteMatch(
-      input.match,
-      context
-    );
-  }
-  if (input.retryPolicy !== undefined) {
-    bodyParams["retryPolicy"] = serializeAws_restJson1_1HttpRetryPolicy(
-      input.retryPolicy,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.action !== undefined && {
+      action: serializeAws_restJson1_1HttpRouteAction(input.action, context)
+    }),
+    ...(input.match !== undefined && {
+      match: serializeAws_restJson1_1HttpRouteMatch(input.match, context)
+    }),
+    ...(input.retryPolicy !== undefined && {
+      retryPolicy: serializeAws_restJson1_1HttpRetryPolicy(
+        input.retryPolicy,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1HttpRouteAction = (
   input: HttpRouteAction,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.weightedTargets !== undefined) {
-    bodyParams["weightedTargets"] = serializeAws_restJson1_1WeightedTargets(
-      input.weightedTargets,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.weightedTargets !== undefined && {
+      weightedTargets: serializeAws_restJson1_1WeightedTargets(
+        input.weightedTargets,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1HttpRouteHeader = (
   input: HttpRouteHeader,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.invert !== undefined) {
-    bodyParams["invert"] = input.invert;
-  }
-  if (input.match !== undefined) {
-    bodyParams["match"] = serializeAws_restJson1_1HeaderMatchMethod(
-      input.match,
-      context
-    );
-  }
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  return bodyParams;
+  return {
+    ...(input.invert !== undefined && { invert: input.invert }),
+    ...(input.match !== undefined && {
+      match: serializeAws_restJson1_1HeaderMatchMethod(input.match, context)
+    }),
+    ...(input.name !== undefined && { name: input.name })
+  };
 };
 
 const serializeAws_restJson1_1HttpRouteHeaders = (
@@ -5656,43 +5595,34 @@ const serializeAws_restJson1_1HttpRouteMatch = (
   input: HttpRouteMatch,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.headers !== undefined) {
-    bodyParams["headers"] = serializeAws_restJson1_1HttpRouteHeaders(
-      input.headers,
-      context
-    );
-  }
-  if (input.method !== undefined) {
-    bodyParams["method"] = input.method;
-  }
-  if (input.prefix !== undefined) {
-    bodyParams["prefix"] = input.prefix;
-  }
-  if (input.scheme !== undefined) {
-    bodyParams["scheme"] = input.scheme;
-  }
-  return bodyParams;
+  return {
+    ...(input.headers !== undefined && {
+      headers: serializeAws_restJson1_1HttpRouteHeaders(input.headers, context)
+    }),
+    ...(input.method !== undefined && { method: input.method }),
+    ...(input.prefix !== undefined && { prefix: input.prefix }),
+    ...(input.scheme !== undefined && { scheme: input.scheme })
+  };
 };
 
 const serializeAws_restJson1_1Listener = (
   input: Listener,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.healthCheck !== undefined) {
-    bodyParams["healthCheck"] = serializeAws_restJson1_1HealthCheckPolicy(
-      input.healthCheck,
-      context
-    );
-  }
-  if (input.portMapping !== undefined) {
-    bodyParams["portMapping"] = serializeAws_restJson1_1PortMapping(
-      input.portMapping,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.healthCheck !== undefined && {
+      healthCheck: serializeAws_restJson1_1HealthCheckPolicy(
+        input.healthCheck,
+        context
+      )
+    }),
+    ...(input.portMapping !== undefined && {
+      portMapping: serializeAws_restJson1_1PortMapping(
+        input.portMapping,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1Listeners = (
@@ -5706,91 +5636,66 @@ const serializeAws_restJson1_1Logging = (
   input: Logging,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.accessLog !== undefined) {
-    bodyParams["accessLog"] = serializeAws_restJson1_1AccessLog(
-      input.accessLog,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.accessLog !== undefined && {
+      accessLog: serializeAws_restJson1_1AccessLog(input.accessLog, context)
+    })
+  };
 };
 
 const serializeAws_restJson1_1MatchRange = (
   input: MatchRange,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.end !== undefined) {
-    bodyParams["end"] = input.end;
-  }
-  if (input.start !== undefined) {
-    bodyParams["start"] = input.start;
-  }
-  return bodyParams;
+  return {
+    ...(input.end !== undefined && { end: input.end }),
+    ...(input.start !== undefined && { start: input.start })
+  };
 };
 
 const serializeAws_restJson1_1MeshSpec = (
   input: MeshSpec,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.egressFilter !== undefined) {
-    bodyParams["egressFilter"] = serializeAws_restJson1_1EgressFilter(
-      input.egressFilter,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.egressFilter !== undefined && {
+      egressFilter: serializeAws_restJson1_1EgressFilter(
+        input.egressFilter,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1PortMapping = (
   input: PortMapping,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.port !== undefined) {
-    bodyParams["port"] = input.port;
-  }
-  if (input.protocol !== undefined) {
-    bodyParams["protocol"] = input.protocol;
-  }
-  return bodyParams;
+  return {
+    ...(input.port !== undefined && { port: input.port }),
+    ...(input.protocol !== undefined && { protocol: input.protocol })
+  };
 };
 
 const serializeAws_restJson1_1RouteSpec = (
   input: RouteSpec,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.grpcRoute !== undefined) {
-    bodyParams["grpcRoute"] = serializeAws_restJson1_1GrpcRoute(
-      input.grpcRoute,
-      context
-    );
-  }
-  if (input.http2Route !== undefined) {
-    bodyParams["http2Route"] = serializeAws_restJson1_1HttpRoute(
-      input.http2Route,
-      context
-    );
-  }
-  if (input.httpRoute !== undefined) {
-    bodyParams["httpRoute"] = serializeAws_restJson1_1HttpRoute(
-      input.httpRoute,
-      context
-    );
-  }
-  if (input.priority !== undefined) {
-    bodyParams["priority"] = input.priority;
-  }
-  if (input.tcpRoute !== undefined) {
-    bodyParams["tcpRoute"] = serializeAws_restJson1_1TcpRoute(
-      input.tcpRoute,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.grpcRoute !== undefined && {
+      grpcRoute: serializeAws_restJson1_1GrpcRoute(input.grpcRoute, context)
+    }),
+    ...(input.http2Route !== undefined && {
+      http2Route: serializeAws_restJson1_1HttpRoute(input.http2Route, context)
+    }),
+    ...(input.httpRoute !== undefined && {
+      httpRoute: serializeAws_restJson1_1HttpRoute(input.httpRoute, context)
+    }),
+    ...(input.priority !== undefined && { priority: input.priority }),
+    ...(input.tcpRoute !== undefined && {
+      tcpRoute: serializeAws_restJson1_1TcpRoute(input.tcpRoute, context)
+    })
+  };
 };
 
 const serializeAws_restJson1_1ServiceDiscovery = (
@@ -5823,14 +5728,10 @@ const serializeAws_restJson1_1TagRef = (
   input: TagRef,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.key !== undefined) {
-    bodyParams["key"] = input.key;
-  }
-  if (input.value !== undefined) {
-    bodyParams["value"] = input.value;
-  }
-  return bodyParams;
+  return {
+    ...(input.key !== undefined && { key: input.key }),
+    ...(input.value !== undefined && { value: input.value })
+  };
 };
 
 const serializeAws_restJson1_1TcpRetryPolicyEvents = (
@@ -5844,85 +5745,73 @@ const serializeAws_restJson1_1TcpRoute = (
   input: TcpRoute,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.action !== undefined) {
-    bodyParams["action"] = serializeAws_restJson1_1TcpRouteAction(
-      input.action,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.action !== undefined && {
+      action: serializeAws_restJson1_1TcpRouteAction(input.action, context)
+    })
+  };
 };
 
 const serializeAws_restJson1_1TcpRouteAction = (
   input: TcpRouteAction,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.weightedTargets !== undefined) {
-    bodyParams["weightedTargets"] = serializeAws_restJson1_1WeightedTargets(
-      input.weightedTargets,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.weightedTargets !== undefined && {
+      weightedTargets: serializeAws_restJson1_1WeightedTargets(
+        input.weightedTargets,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1VirtualNodeServiceProvider = (
   input: VirtualNodeServiceProvider,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.virtualNodeName !== undefined) {
-    bodyParams["virtualNodeName"] = input.virtualNodeName;
-  }
-  return bodyParams;
+  return {
+    ...(input.virtualNodeName !== undefined && {
+      virtualNodeName: input.virtualNodeName
+    })
+  };
 };
 
 const serializeAws_restJson1_1VirtualNodeSpec = (
   input: VirtualNodeSpec,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.backends !== undefined) {
-    bodyParams["backends"] = serializeAws_restJson1_1Backends(
-      input.backends,
-      context
-    );
-  }
-  if (input.listeners !== undefined) {
-    bodyParams["listeners"] = serializeAws_restJson1_1Listeners(
-      input.listeners,
-      context
-    );
-  }
-  if (input.logging !== undefined) {
-    bodyParams["logging"] = serializeAws_restJson1_1Logging(
-      input.logging,
-      context
-    );
-  }
-  if (input.serviceDiscovery !== undefined) {
-    bodyParams["serviceDiscovery"] = serializeAws_restJson1_1ServiceDiscovery(
-      input.serviceDiscovery,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.backends !== undefined && {
+      backends: serializeAws_restJson1_1Backends(input.backends, context)
+    }),
+    ...(input.listeners !== undefined && {
+      listeners: serializeAws_restJson1_1Listeners(input.listeners, context)
+    }),
+    ...(input.logging !== undefined && {
+      logging: serializeAws_restJson1_1Logging(input.logging, context)
+    }),
+    ...(input.serviceDiscovery !== undefined && {
+      serviceDiscovery: serializeAws_restJson1_1ServiceDiscovery(
+        input.serviceDiscovery,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1VirtualRouterListener = (
   input: VirtualRouterListener,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.portMapping !== undefined) {
-    bodyParams["portMapping"] = serializeAws_restJson1_1PortMapping(
-      input.portMapping,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.portMapping !== undefined && {
+      portMapping: serializeAws_restJson1_1PortMapping(
+        input.portMapping,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1VirtualRouterListeners = (
@@ -5938,36 +5827,36 @@ const serializeAws_restJson1_1VirtualRouterServiceProvider = (
   input: VirtualRouterServiceProvider,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.virtualRouterName !== undefined) {
-    bodyParams["virtualRouterName"] = input.virtualRouterName;
-  }
-  return bodyParams;
+  return {
+    ...(input.virtualRouterName !== undefined && {
+      virtualRouterName: input.virtualRouterName
+    })
+  };
 };
 
 const serializeAws_restJson1_1VirtualRouterSpec = (
   input: VirtualRouterSpec,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.listeners !== undefined) {
-    bodyParams["listeners"] = serializeAws_restJson1_1VirtualRouterListeners(
-      input.listeners,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.listeners !== undefined && {
+      listeners: serializeAws_restJson1_1VirtualRouterListeners(
+        input.listeners,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1VirtualServiceBackend = (
   input: VirtualServiceBackend,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.virtualServiceName !== undefined) {
-    bodyParams["virtualServiceName"] = input.virtualServiceName;
-  }
-  return bodyParams;
+  return {
+    ...(input.virtualServiceName !== undefined && {
+      virtualServiceName: input.virtualServiceName
+    })
+  };
 };
 
 const serializeAws_restJson1_1VirtualServiceProvider = (
@@ -5987,28 +5876,24 @@ const serializeAws_restJson1_1VirtualServiceSpec = (
   input: VirtualServiceSpec,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.provider !== undefined) {
-    bodyParams["provider"] = serializeAws_restJson1_1VirtualServiceProvider(
-      input.provider,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.provider !== undefined && {
+      provider: serializeAws_restJson1_1VirtualServiceProvider(
+        input.provider,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1WeightedTarget = (
   input: WeightedTarget,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.virtualNode !== undefined) {
-    bodyParams["virtualNode"] = input.virtualNode;
-  }
-  if (input.weight !== undefined) {
-    bodyParams["weight"] = input.weight;
-  }
-  return bodyParams;
+  return {
+    ...(input.virtualNode !== undefined && { virtualNode: input.virtualNode }),
+    ...(input.weight !== undefined && { weight: input.weight })
+  };
 };
 
 const serializeAws_restJson1_1WeightedTargets = (
diff --git a/clients/client-appconfig/protocols/Aws_restJson1_1.ts b/clients/client-appconfig/protocols/Aws_restJson1_1.ts
index 10dd8f1bc90b..0d6b10638383 100644
--- a/clients/client-appconfig/protocols/Aws_restJson1_1.ts
+++ b/clients/client-appconfig/protocols/Aws_restJson1_1.ts
@@ -4582,14 +4582,12 @@ const serializeAws_restJson1_1Monitor = (
   input: Monitor,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AlarmArn !== undefined) {
-    bodyParams["AlarmArn"] = input.AlarmArn;
-  }
-  if (input.AlarmRoleArn !== undefined) {
-    bodyParams["AlarmRoleArn"] = input.AlarmRoleArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.AlarmArn !== undefined && { AlarmArn: input.AlarmArn }),
+    ...(input.AlarmRoleArn !== undefined && {
+      AlarmRoleArn: input.AlarmRoleArn
+    })
+  };
 };
 
 const serializeAws_restJson1_1MonitorList = (
@@ -4613,14 +4611,10 @@ const serializeAws_restJson1_1Validator = (
   input: Validator,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Content !== undefined) {
-    bodyParams["Content"] = input.Content;
-  }
-  if (input.Type !== undefined) {
-    bodyParams["Type"] = input.Type;
-  }
-  return bodyParams;
+  return {
+    ...(input.Content !== undefined && { Content: input.Content }),
+    ...(input.Type !== undefined && { Type: input.Type })
+  };
 };
 
 const serializeAws_restJson1_1ValidatorList = (
diff --git a/clients/client-application-auto-scaling/protocols/Aws_json1_1.ts b/clients/client-application-auto-scaling/protocols/Aws_json1_1.ts
index 59e31dd73a25..dc59e0e581e6 100644
--- a/clients/client-application-auto-scaling/protocols/Aws_json1_1.ts
+++ b/clients/client-application-auto-scaling/protocols/Aws_json1_1.ts
@@ -1392,206 +1392,162 @@ const serializeAws_json1_1CustomizedMetricSpecification = (
   input: CustomizedMetricSpecification,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Dimensions !== undefined) {
-    bodyParams["Dimensions"] = serializeAws_json1_1MetricDimensions(
-      input.Dimensions,
-      context
-    );
-  }
-  if (input.MetricName !== undefined) {
-    bodyParams["MetricName"] = input.MetricName;
-  }
-  if (input.Namespace !== undefined) {
-    bodyParams["Namespace"] = input.Namespace;
-  }
-  if (input.Statistic !== undefined) {
-    bodyParams["Statistic"] = input.Statistic;
-  }
-  if (input.Unit !== undefined) {
-    bodyParams["Unit"] = input.Unit;
-  }
-  return bodyParams;
+  return {
+    ...(input.Dimensions !== undefined && {
+      Dimensions: serializeAws_json1_1MetricDimensions(
+        input.Dimensions,
+        context
+      )
+    }),
+    ...(input.MetricName !== undefined && { MetricName: input.MetricName }),
+    ...(input.Namespace !== undefined && { Namespace: input.Namespace }),
+    ...(input.Statistic !== undefined && { Statistic: input.Statistic }),
+    ...(input.Unit !== undefined && { Unit: input.Unit })
+  };
 };
 
 const serializeAws_json1_1DeleteScalingPolicyRequest = (
   input: DeleteScalingPolicyRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.PolicyName !== undefined) {
-    bodyParams["PolicyName"] = input.PolicyName;
-  }
-  if (input.ResourceId !== undefined) {
-    bodyParams["ResourceId"] = input.ResourceId;
-  }
-  if (input.ScalableDimension !== undefined) {
-    bodyParams["ScalableDimension"] = input.ScalableDimension;
-  }
-  if (input.ServiceNamespace !== undefined) {
-    bodyParams["ServiceNamespace"] = input.ServiceNamespace;
-  }
-  return bodyParams;
+  return {
+    ...(input.PolicyName !== undefined && { PolicyName: input.PolicyName }),
+    ...(input.ResourceId !== undefined && { ResourceId: input.ResourceId }),
+    ...(input.ScalableDimension !== undefined && {
+      ScalableDimension: input.ScalableDimension
+    }),
+    ...(input.ServiceNamespace !== undefined && {
+      ServiceNamespace: input.ServiceNamespace
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteScheduledActionRequest = (
   input: DeleteScheduledActionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceId !== undefined) {
-    bodyParams["ResourceId"] = input.ResourceId;
-  }
-  if (input.ScalableDimension !== undefined) {
-    bodyParams["ScalableDimension"] = input.ScalableDimension;
-  }
-  if (input.ScheduledActionName !== undefined) {
-    bodyParams["ScheduledActionName"] = input.ScheduledActionName;
-  }
-  if (input.ServiceNamespace !== undefined) {
-    bodyParams["ServiceNamespace"] = input.ServiceNamespace;
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceId !== undefined && { ResourceId: input.ResourceId }),
+    ...(input.ScalableDimension !== undefined && {
+      ScalableDimension: input.ScalableDimension
+    }),
+    ...(input.ScheduledActionName !== undefined && {
+      ScheduledActionName: input.ScheduledActionName
+    }),
+    ...(input.ServiceNamespace !== undefined && {
+      ServiceNamespace: input.ServiceNamespace
+    })
+  };
 };
 
 const serializeAws_json1_1DeregisterScalableTargetRequest = (
   input: DeregisterScalableTargetRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceId !== undefined) {
-    bodyParams["ResourceId"] = input.ResourceId;
-  }
-  if (input.ScalableDimension !== undefined) {
-    bodyParams["ScalableDimension"] = input.ScalableDimension;
-  }
-  if (input.ServiceNamespace !== undefined) {
-    bodyParams["ServiceNamespace"] = input.ServiceNamespace;
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceId !== undefined && { ResourceId: input.ResourceId }),
+    ...(input.ScalableDimension !== undefined && {
+      ScalableDimension: input.ScalableDimension
+    }),
+    ...(input.ServiceNamespace !== undefined && {
+      ServiceNamespace: input.ServiceNamespace
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeScalableTargetsRequest = (
   input: DescribeScalableTargetsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.ResourceIds !== undefined) {
-    bodyParams["ResourceIds"] = serializeAws_json1_1ResourceIdsMaxLen1600(
-      input.ResourceIds,
-      context
-    );
-  }
-  if (input.ScalableDimension !== undefined) {
-    bodyParams["ScalableDimension"] = input.ScalableDimension;
-  }
-  if (input.ServiceNamespace !== undefined) {
-    bodyParams["ServiceNamespace"] = input.ServiceNamespace;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.ResourceIds !== undefined && {
+      ResourceIds: serializeAws_json1_1ResourceIdsMaxLen1600(
+        input.ResourceIds,
+        context
+      )
+    }),
+    ...(input.ScalableDimension !== undefined && {
+      ScalableDimension: input.ScalableDimension
+    }),
+    ...(input.ServiceNamespace !== undefined && {
+      ServiceNamespace: input.ServiceNamespace
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeScalingActivitiesRequest = (
   input: DescribeScalingActivitiesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.ResourceId !== undefined) {
-    bodyParams["ResourceId"] = input.ResourceId;
-  }
-  if (input.ScalableDimension !== undefined) {
-    bodyParams["ScalableDimension"] = input.ScalableDimension;
-  }
-  if (input.ServiceNamespace !== undefined) {
-    bodyParams["ServiceNamespace"] = input.ServiceNamespace;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.ResourceId !== undefined && { ResourceId: input.ResourceId }),
+    ...(input.ScalableDimension !== undefined && {
+      ScalableDimension: input.ScalableDimension
+    }),
+    ...(input.ServiceNamespace !== undefined && {
+      ServiceNamespace: input.ServiceNamespace
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeScalingPoliciesRequest = (
   input: DescribeScalingPoliciesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.PolicyNames !== undefined) {
-    bodyParams["PolicyNames"] = serializeAws_json1_1ResourceIdsMaxLen1600(
-      input.PolicyNames,
-      context
-    );
-  }
-  if (input.ResourceId !== undefined) {
-    bodyParams["ResourceId"] = input.ResourceId;
-  }
-  if (input.ScalableDimension !== undefined) {
-    bodyParams["ScalableDimension"] = input.ScalableDimension;
-  }
-  if (input.ServiceNamespace !== undefined) {
-    bodyParams["ServiceNamespace"] = input.ServiceNamespace;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.PolicyNames !== undefined && {
+      PolicyNames: serializeAws_json1_1ResourceIdsMaxLen1600(
+        input.PolicyNames,
+        context
+      )
+    }),
+    ...(input.ResourceId !== undefined && { ResourceId: input.ResourceId }),
+    ...(input.ScalableDimension !== undefined && {
+      ScalableDimension: input.ScalableDimension
+    }),
+    ...(input.ServiceNamespace !== undefined && {
+      ServiceNamespace: input.ServiceNamespace
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeScheduledActionsRequest = (
   input: DescribeScheduledActionsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.ResourceId !== undefined) {
-    bodyParams["ResourceId"] = input.ResourceId;
-  }
-  if (input.ScalableDimension !== undefined) {
-    bodyParams["ScalableDimension"] = input.ScalableDimension;
-  }
-  if (input.ScheduledActionNames !== undefined) {
-    bodyParams[
-      "ScheduledActionNames"
-    ] = serializeAws_json1_1ResourceIdsMaxLen1600(
-      input.ScheduledActionNames,
-      context
-    );
-  }
-  if (input.ServiceNamespace !== undefined) {
-    bodyParams["ServiceNamespace"] = input.ServiceNamespace;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.ResourceId !== undefined && { ResourceId: input.ResourceId }),
+    ...(input.ScalableDimension !== undefined && {
+      ScalableDimension: input.ScalableDimension
+    }),
+    ...(input.ScheduledActionNames !== undefined && {
+      ScheduledActionNames: serializeAws_json1_1ResourceIdsMaxLen1600(
+        input.ScheduledActionNames,
+        context
+      )
+    }),
+    ...(input.ServiceNamespace !== undefined && {
+      ServiceNamespace: input.ServiceNamespace
+    })
+  };
 };
 
 const serializeAws_json1_1MetricDimension = (
   input: MetricDimension,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.Value !== undefined) {
-    bodyParams["Value"] = input.Value;
-  }
-  return bodyParams;
+  return {
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.Value !== undefined && { Value: input.Value })
+  };
 };
 
 const serializeAws_json1_1MetricDimensions = (
@@ -1607,122 +1563,98 @@ const serializeAws_json1_1PredefinedMetricSpecification = (
   input: PredefinedMetricSpecification,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.PredefinedMetricType !== undefined) {
-    bodyParams["PredefinedMetricType"] = input.PredefinedMetricType;
-  }
-  if (input.ResourceLabel !== undefined) {
-    bodyParams["ResourceLabel"] = input.ResourceLabel;
-  }
-  return bodyParams;
+  return {
+    ...(input.PredefinedMetricType !== undefined && {
+      PredefinedMetricType: input.PredefinedMetricType
+    }),
+    ...(input.ResourceLabel !== undefined && {
+      ResourceLabel: input.ResourceLabel
+    })
+  };
 };
 
 const serializeAws_json1_1PutScalingPolicyRequest = (
   input: PutScalingPolicyRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.PolicyName !== undefined) {
-    bodyParams["PolicyName"] = input.PolicyName;
-  }
-  if (input.PolicyType !== undefined) {
-    bodyParams["PolicyType"] = input.PolicyType;
-  }
-  if (input.ResourceId !== undefined) {
-    bodyParams["ResourceId"] = input.ResourceId;
-  }
-  if (input.ScalableDimension !== undefined) {
-    bodyParams["ScalableDimension"] = input.ScalableDimension;
-  }
-  if (input.ServiceNamespace !== undefined) {
-    bodyParams["ServiceNamespace"] = input.ServiceNamespace;
-  }
-  if (input.StepScalingPolicyConfiguration !== undefined) {
-    bodyParams[
-      "StepScalingPolicyConfiguration"
-    ] = serializeAws_json1_1StepScalingPolicyConfiguration(
-      input.StepScalingPolicyConfiguration,
-      context
-    );
-  }
-  if (input.TargetTrackingScalingPolicyConfiguration !== undefined) {
-    bodyParams[
-      "TargetTrackingScalingPolicyConfiguration"
-    ] = serializeAws_json1_1TargetTrackingScalingPolicyConfiguration(
-      input.TargetTrackingScalingPolicyConfiguration,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.PolicyName !== undefined && { PolicyName: input.PolicyName }),
+    ...(input.PolicyType !== undefined && { PolicyType: input.PolicyType }),
+    ...(input.ResourceId !== undefined && { ResourceId: input.ResourceId }),
+    ...(input.ScalableDimension !== undefined && {
+      ScalableDimension: input.ScalableDimension
+    }),
+    ...(input.ServiceNamespace !== undefined && {
+      ServiceNamespace: input.ServiceNamespace
+    }),
+    ...(input.StepScalingPolicyConfiguration !== undefined && {
+      StepScalingPolicyConfiguration: serializeAws_json1_1StepScalingPolicyConfiguration(
+        input.StepScalingPolicyConfiguration,
+        context
+      )
+    }),
+    ...(input.TargetTrackingScalingPolicyConfiguration !== undefined && {
+      TargetTrackingScalingPolicyConfiguration: serializeAws_json1_1TargetTrackingScalingPolicyConfiguration(
+        input.TargetTrackingScalingPolicyConfiguration,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1PutScheduledActionRequest = (
   input: PutScheduledActionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EndTime !== undefined) {
-    bodyParams["EndTime"] = Math.round(input.EndTime.getTime() / 1000);
-  }
-  if (input.ResourceId !== undefined) {
-    bodyParams["ResourceId"] = input.ResourceId;
-  }
-  if (input.ScalableDimension !== undefined) {
-    bodyParams["ScalableDimension"] = input.ScalableDimension;
-  }
-  if (input.ScalableTargetAction !== undefined) {
-    bodyParams[
-      "ScalableTargetAction"
-    ] = serializeAws_json1_1ScalableTargetAction(
-      input.ScalableTargetAction,
-      context
-    );
-  }
-  if (input.Schedule !== undefined) {
-    bodyParams["Schedule"] = input.Schedule;
-  }
-  if (input.ScheduledActionName !== undefined) {
-    bodyParams["ScheduledActionName"] = input.ScheduledActionName;
-  }
-  if (input.ServiceNamespace !== undefined) {
-    bodyParams["ServiceNamespace"] = input.ServiceNamespace;
-  }
-  if (input.StartTime !== undefined) {
-    bodyParams["StartTime"] = Math.round(input.StartTime.getTime() / 1000);
-  }
-  return bodyParams;
+  return {
+    ...(input.EndTime !== undefined && {
+      EndTime: Math.round(input.EndTime.getTime() / 1000)
+    }),
+    ...(input.ResourceId !== undefined && { ResourceId: input.ResourceId }),
+    ...(input.ScalableDimension !== undefined && {
+      ScalableDimension: input.ScalableDimension
+    }),
+    ...(input.ScalableTargetAction !== undefined && {
+      ScalableTargetAction: serializeAws_json1_1ScalableTargetAction(
+        input.ScalableTargetAction,
+        context
+      )
+    }),
+    ...(input.Schedule !== undefined && { Schedule: input.Schedule }),
+    ...(input.ScheduledActionName !== undefined && {
+      ScheduledActionName: input.ScheduledActionName
+    }),
+    ...(input.ServiceNamespace !== undefined && {
+      ServiceNamespace: input.ServiceNamespace
+    }),
+    ...(input.StartTime !== undefined && {
+      StartTime: Math.round(input.StartTime.getTime() / 1000)
+    })
+  };
 };
 
 const serializeAws_json1_1RegisterScalableTargetRequest = (
   input: RegisterScalableTargetRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxCapacity !== undefined) {
-    bodyParams["MaxCapacity"] = input.MaxCapacity;
-  }
-  if (input.MinCapacity !== undefined) {
-    bodyParams["MinCapacity"] = input.MinCapacity;
-  }
-  if (input.ResourceId !== undefined) {
-    bodyParams["ResourceId"] = input.ResourceId;
-  }
-  if (input.RoleARN !== undefined) {
-    bodyParams["RoleARN"] = input.RoleARN;
-  }
-  if (input.ScalableDimension !== undefined) {
-    bodyParams["ScalableDimension"] = input.ScalableDimension;
-  }
-  if (input.ServiceNamespace !== undefined) {
-    bodyParams["ServiceNamespace"] = input.ServiceNamespace;
-  }
-  if (input.SuspendedState !== undefined) {
-    bodyParams["SuspendedState"] = serializeAws_json1_1SuspendedState(
-      input.SuspendedState,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxCapacity !== undefined && { MaxCapacity: input.MaxCapacity }),
+    ...(input.MinCapacity !== undefined && { MinCapacity: input.MinCapacity }),
+    ...(input.ResourceId !== undefined && { ResourceId: input.ResourceId }),
+    ...(input.RoleARN !== undefined && { RoleARN: input.RoleARN }),
+    ...(input.ScalableDimension !== undefined && {
+      ScalableDimension: input.ScalableDimension
+    }),
+    ...(input.ServiceNamespace !== undefined && {
+      ServiceNamespace: input.ServiceNamespace
+    }),
+    ...(input.SuspendedState !== undefined && {
+      SuspendedState: serializeAws_json1_1SuspendedState(
+        input.SuspendedState,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1ResourceIdsMaxLen1600 = (
@@ -1736,31 +1668,27 @@ const serializeAws_json1_1ScalableTargetAction = (
   input: ScalableTargetAction,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxCapacity !== undefined) {
-    bodyParams["MaxCapacity"] = input.MaxCapacity;
-  }
-  if (input.MinCapacity !== undefined) {
-    bodyParams["MinCapacity"] = input.MinCapacity;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxCapacity !== undefined && { MaxCapacity: input.MaxCapacity }),
+    ...(input.MinCapacity !== undefined && { MinCapacity: input.MinCapacity })
+  };
 };
 
 const serializeAws_json1_1StepAdjustment = (
   input: StepAdjustment,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MetricIntervalLowerBound !== undefined) {
-    bodyParams["MetricIntervalLowerBound"] = input.MetricIntervalLowerBound;
-  }
-  if (input.MetricIntervalUpperBound !== undefined) {
-    bodyParams["MetricIntervalUpperBound"] = input.MetricIntervalUpperBound;
-  }
-  if (input.ScalingAdjustment !== undefined) {
-    bodyParams["ScalingAdjustment"] = input.ScalingAdjustment;
-  }
-  return bodyParams;
+  return {
+    ...(input.MetricIntervalLowerBound !== undefined && {
+      MetricIntervalLowerBound: input.MetricIntervalLowerBound
+    }),
+    ...(input.MetricIntervalUpperBound !== undefined && {
+      MetricIntervalUpperBound: input.MetricIntervalUpperBound
+    }),
+    ...(input.ScalingAdjustment !== undefined && {
+      ScalingAdjustment: input.ScalingAdjustment
+    })
+  };
 };
 
 const serializeAws_json1_1StepAdjustments = (
@@ -1774,79 +1702,71 @@ const serializeAws_json1_1StepScalingPolicyConfiguration = (
   input: StepScalingPolicyConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AdjustmentType !== undefined) {
-    bodyParams["AdjustmentType"] = input.AdjustmentType;
-  }
-  if (input.Cooldown !== undefined) {
-    bodyParams["Cooldown"] = input.Cooldown;
-  }
-  if (input.MetricAggregationType !== undefined) {
-    bodyParams["MetricAggregationType"] = input.MetricAggregationType;
-  }
-  if (input.MinAdjustmentMagnitude !== undefined) {
-    bodyParams["MinAdjustmentMagnitude"] = input.MinAdjustmentMagnitude;
-  }
-  if (input.StepAdjustments !== undefined) {
-    bodyParams["StepAdjustments"] = serializeAws_json1_1StepAdjustments(
-      input.StepAdjustments,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.AdjustmentType !== undefined && {
+      AdjustmentType: input.AdjustmentType
+    }),
+    ...(input.Cooldown !== undefined && { Cooldown: input.Cooldown }),
+    ...(input.MetricAggregationType !== undefined && {
+      MetricAggregationType: input.MetricAggregationType
+    }),
+    ...(input.MinAdjustmentMagnitude !== undefined && {
+      MinAdjustmentMagnitude: input.MinAdjustmentMagnitude
+    }),
+    ...(input.StepAdjustments !== undefined && {
+      StepAdjustments: serializeAws_json1_1StepAdjustments(
+        input.StepAdjustments,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1SuspendedState = (
   input: SuspendedState,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DynamicScalingInSuspended !== undefined) {
-    bodyParams["DynamicScalingInSuspended"] = input.DynamicScalingInSuspended;
-  }
-  if (input.DynamicScalingOutSuspended !== undefined) {
-    bodyParams["DynamicScalingOutSuspended"] = input.DynamicScalingOutSuspended;
-  }
-  if (input.ScheduledScalingSuspended !== undefined) {
-    bodyParams["ScheduledScalingSuspended"] = input.ScheduledScalingSuspended;
-  }
-  return bodyParams;
+  return {
+    ...(input.DynamicScalingInSuspended !== undefined && {
+      DynamicScalingInSuspended: input.DynamicScalingInSuspended
+    }),
+    ...(input.DynamicScalingOutSuspended !== undefined && {
+      DynamicScalingOutSuspended: input.DynamicScalingOutSuspended
+    }),
+    ...(input.ScheduledScalingSuspended !== undefined && {
+      ScheduledScalingSuspended: input.ScheduledScalingSuspended
+    })
+  };
 };
 
 const serializeAws_json1_1TargetTrackingScalingPolicyConfiguration = (
   input: TargetTrackingScalingPolicyConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CustomizedMetricSpecification !== undefined) {
-    bodyParams[
-      "CustomizedMetricSpecification"
-    ] = serializeAws_json1_1CustomizedMetricSpecification(
-      input.CustomizedMetricSpecification,
-      context
-    );
-  }
-  if (input.DisableScaleIn !== undefined) {
-    bodyParams["DisableScaleIn"] = input.DisableScaleIn;
-  }
-  if (input.PredefinedMetricSpecification !== undefined) {
-    bodyParams[
-      "PredefinedMetricSpecification"
-    ] = serializeAws_json1_1PredefinedMetricSpecification(
-      input.PredefinedMetricSpecification,
-      context
-    );
-  }
-  if (input.ScaleInCooldown !== undefined) {
-    bodyParams["ScaleInCooldown"] = input.ScaleInCooldown;
-  }
-  if (input.ScaleOutCooldown !== undefined) {
-    bodyParams["ScaleOutCooldown"] = input.ScaleOutCooldown;
-  }
-  if (input.TargetValue !== undefined) {
-    bodyParams["TargetValue"] = input.TargetValue;
-  }
-  return bodyParams;
+  return {
+    ...(input.CustomizedMetricSpecification !== undefined && {
+      CustomizedMetricSpecification: serializeAws_json1_1CustomizedMetricSpecification(
+        input.CustomizedMetricSpecification,
+        context
+      )
+    }),
+    ...(input.DisableScaleIn !== undefined && {
+      DisableScaleIn: input.DisableScaleIn
+    }),
+    ...(input.PredefinedMetricSpecification !== undefined && {
+      PredefinedMetricSpecification: serializeAws_json1_1PredefinedMetricSpecification(
+        input.PredefinedMetricSpecification,
+        context
+      )
+    }),
+    ...(input.ScaleInCooldown !== undefined && {
+      ScaleInCooldown: input.ScaleInCooldown
+    }),
+    ...(input.ScaleOutCooldown !== undefined && {
+      ScaleOutCooldown: input.ScaleOutCooldown
+    }),
+    ...(input.TargetValue !== undefined && { TargetValue: input.TargetValue })
+  };
 };
 
 const deserializeAws_json1_1Alarm = (
diff --git a/clients/client-application-discovery-service/protocols/Aws_json1_1.ts b/clients/client-application-discovery-service/protocols/Aws_json1_1.ts
index d02ed3899d1c..4987ddb068b5 100644
--- a/clients/client-application-discovery-service/protocols/Aws_json1_1.ts
+++ b/clients/client-application-discovery-service/protocols/Aws_json1_1.ts
@@ -3596,31 +3596,31 @@ const serializeAws_json1_1AssociateConfigurationItemsToApplicationRequest = (
   input: AssociateConfigurationItemsToApplicationRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.applicationConfigurationId !== undefined) {
-    bodyParams["applicationConfigurationId"] = input.applicationConfigurationId;
-  }
-  if (input.configurationIds !== undefined) {
-    bodyParams["configurationIds"] = serializeAws_json1_1ConfigurationIdList(
-      input.configurationIds,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.applicationConfigurationId !== undefined && {
+      applicationConfigurationId: input.applicationConfigurationId
+    }),
+    ...(input.configurationIds !== undefined && {
+      configurationIds: serializeAws_json1_1ConfigurationIdList(
+        input.configurationIds,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1BatchDeleteImportDataRequest = (
   input: BatchDeleteImportDataRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.importTaskIds !== undefined) {
-    bodyParams["importTaskIds"] = serializeAws_json1_1ToDeleteIdentifierList(
-      input.importTaskIds,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.importTaskIds !== undefined && {
+      importTaskIds: serializeAws_json1_1ToDeleteIdentifierList(
+        input.importTaskIds,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1ConfigurationIdList = (
@@ -3641,165 +3641,133 @@ const serializeAws_json1_1CreateApplicationRequest = (
   input: CreateApplicationRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.description !== undefined) {
-    bodyParams["description"] = input.description;
-  }
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  return bodyParams;
+  return {
+    ...(input.description !== undefined && { description: input.description }),
+    ...(input.name !== undefined && { name: input.name })
+  };
 };
 
 const serializeAws_json1_1CreateTagsRequest = (
   input: CreateTagsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.configurationIds !== undefined) {
-    bodyParams["configurationIds"] = serializeAws_json1_1ConfigurationIdList(
-      input.configurationIds,
-      context
-    );
-  }
-  if (input.tags !== undefined) {
-    bodyParams["tags"] = serializeAws_json1_1TagSet(input.tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.configurationIds !== undefined && {
+      configurationIds: serializeAws_json1_1ConfigurationIdList(
+        input.configurationIds,
+        context
+      )
+    }),
+    ...(input.tags !== undefined && {
+      tags: serializeAws_json1_1TagSet(input.tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteApplicationsRequest = (
   input: DeleteApplicationsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.configurationIds !== undefined) {
-    bodyParams["configurationIds"] = serializeAws_json1_1ApplicationIdsList(
-      input.configurationIds,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.configurationIds !== undefined && {
+      configurationIds: serializeAws_json1_1ApplicationIdsList(
+        input.configurationIds,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteTagsRequest = (
   input: DeleteTagsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.configurationIds !== undefined) {
-    bodyParams["configurationIds"] = serializeAws_json1_1ConfigurationIdList(
-      input.configurationIds,
-      context
-    );
-  }
-  if (input.tags !== undefined) {
-    bodyParams["tags"] = serializeAws_json1_1TagSet(input.tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.configurationIds !== undefined && {
+      configurationIds: serializeAws_json1_1ConfigurationIdList(
+        input.configurationIds,
+        context
+      )
+    }),
+    ...(input.tags !== undefined && {
+      tags: serializeAws_json1_1TagSet(input.tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeAgentsRequest = (
   input: DescribeAgentsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.agentIds !== undefined) {
-    bodyParams["agentIds"] = serializeAws_json1_1AgentIds(
-      input.agentIds,
-      context
-    );
-  }
-  if (input.filters !== undefined) {
-    bodyParams["filters"] = serializeAws_json1_1Filters(input.filters, context);
-  }
-  if (input.maxResults !== undefined) {
-    bodyParams["maxResults"] = input.maxResults;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.agentIds !== undefined && {
+      agentIds: serializeAws_json1_1AgentIds(input.agentIds, context)
+    }),
+    ...(input.filters !== undefined && {
+      filters: serializeAws_json1_1Filters(input.filters, context)
+    }),
+    ...(input.maxResults !== undefined && { maxResults: input.maxResults }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken })
+  };
 };
 
 const serializeAws_json1_1DescribeConfigurationsRequest = (
   input: DescribeConfigurationsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.configurationIds !== undefined) {
-    bodyParams["configurationIds"] = serializeAws_json1_1ConfigurationIdList(
-      input.configurationIds,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.configurationIds !== undefined && {
+      configurationIds: serializeAws_json1_1ConfigurationIdList(
+        input.configurationIds,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeContinuousExportsRequest = (
   input: DescribeContinuousExportsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.exportIds !== undefined) {
-    bodyParams["exportIds"] = serializeAws_json1_1ContinuousExportIds(
-      input.exportIds,
-      context
-    );
-  }
-  if (input.maxResults !== undefined) {
-    bodyParams["maxResults"] = input.maxResults;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.exportIds !== undefined && {
+      exportIds: serializeAws_json1_1ContinuousExportIds(
+        input.exportIds,
+        context
+      )
+    }),
+    ...(input.maxResults !== undefined && { maxResults: input.maxResults }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken })
+  };
 };
 
 const serializeAws_json1_1DescribeExportConfigurationsRequest = (
   input: DescribeExportConfigurationsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.exportIds !== undefined) {
-    bodyParams["exportIds"] = serializeAws_json1_1ExportIds(
-      input.exportIds,
-      context
-    );
-  }
-  if (input.maxResults !== undefined) {
-    bodyParams["maxResults"] = input.maxResults;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.exportIds !== undefined && {
+      exportIds: serializeAws_json1_1ExportIds(input.exportIds, context)
+    }),
+    ...(input.maxResults !== undefined && { maxResults: input.maxResults }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken })
+  };
 };
 
 const serializeAws_json1_1DescribeExportTasksRequest = (
   input: DescribeExportTasksRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.exportIds !== undefined) {
-    bodyParams["exportIds"] = serializeAws_json1_1ExportIds(
-      input.exportIds,
-      context
-    );
-  }
-  if (input.filters !== undefined) {
-    bodyParams["filters"] = serializeAws_json1_1ExportFilters(
-      input.filters,
-      context
-    );
-  }
-  if (input.maxResults !== undefined) {
-    bodyParams["maxResults"] = input.maxResults;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.exportIds !== undefined && {
+      exportIds: serializeAws_json1_1ExportIds(input.exportIds, context)
+    }),
+    ...(input.filters !== undefined && {
+      filters: serializeAws_json1_1ExportFilters(input.filters, context)
+    }),
+    ...(input.maxResults !== undefined && { maxResults: input.maxResults }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken })
+  };
 };
 
 const serializeAws_json1_1DescribeImportTasksFilterList = (
@@ -3815,57 +3783,46 @@ const serializeAws_json1_1DescribeImportTasksRequest = (
   input: DescribeImportTasksRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.filters !== undefined) {
-    bodyParams["filters"] = serializeAws_json1_1DescribeImportTasksFilterList(
-      input.filters,
-      context
-    );
-  }
-  if (input.maxResults !== undefined) {
-    bodyParams["maxResults"] = input.maxResults;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.filters !== undefined && {
+      filters: serializeAws_json1_1DescribeImportTasksFilterList(
+        input.filters,
+        context
+      )
+    }),
+    ...(input.maxResults !== undefined && { maxResults: input.maxResults }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken })
+  };
 };
 
 const serializeAws_json1_1DescribeTagsRequest = (
   input: DescribeTagsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.filters !== undefined) {
-    bodyParams["filters"] = serializeAws_json1_1TagFilters(
-      input.filters,
-      context
-    );
-  }
-  if (input.maxResults !== undefined) {
-    bodyParams["maxResults"] = input.maxResults;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.filters !== undefined && {
+      filters: serializeAws_json1_1TagFilters(input.filters, context)
+    }),
+    ...(input.maxResults !== undefined && { maxResults: input.maxResults }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken })
+  };
 };
 
 const serializeAws_json1_1DisassociateConfigurationItemsFromApplicationRequest = (
   input: DisassociateConfigurationItemsFromApplicationRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.applicationConfigurationId !== undefined) {
-    bodyParams["applicationConfigurationId"] = input.applicationConfigurationId;
-  }
-  if (input.configurationIds !== undefined) {
-    bodyParams["configurationIds"] = serializeAws_json1_1ConfigurationIdList(
-      input.configurationIds,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.applicationConfigurationId !== undefined && {
+      applicationConfigurationId: input.applicationConfigurationId
+    }),
+    ...(input.configurationIds !== undefined && {
+      configurationIds: serializeAws_json1_1ConfigurationIdList(
+        input.configurationIds,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1ExportDataFormats = (
@@ -3879,20 +3836,13 @@ const serializeAws_json1_1ExportFilter = (
   input: ExportFilter,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.condition !== undefined) {
-    bodyParams["condition"] = input.condition;
-  }
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  if (input.values !== undefined) {
-    bodyParams["values"] = serializeAws_json1_1FilterValues(
-      input.values,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.condition !== undefined && { condition: input.condition }),
+    ...(input.name !== undefined && { name: input.name }),
+    ...(input.values !== undefined && {
+      values: serializeAws_json1_1FilterValues(input.values, context)
+    })
+  };
 };
 
 const serializeAws_json1_1ExportFilters = (
@@ -3913,20 +3863,13 @@ const serializeAws_json1_1Filter = (
   input: Filter,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.condition !== undefined) {
-    bodyParams["condition"] = input.condition;
-  }
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  if (input.values !== undefined) {
-    bodyParams["values"] = serializeAws_json1_1FilterValues(
-      input.values,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.condition !== undefined && { condition: input.condition }),
+    ...(input.name !== undefined && { name: input.name }),
+    ...(input.values !== undefined && {
+      values: serializeAws_json1_1FilterValues(input.values, context)
+    })
+  };
 };
 
 const serializeAws_json1_1FilterValues = (
@@ -3947,25 +3890,22 @@ const serializeAws_json1_1GetDiscoverySummaryRequest = (
   input: GetDiscoverySummaryRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  return bodyParams;
+  return {};
 };
 
 const serializeAws_json1_1ImportTaskFilter = (
   input: ImportTaskFilter,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  if (input.values !== undefined) {
-    bodyParams["values"] = serializeAws_json1_1ImportTaskFilterValueList(
-      input.values,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.name !== undefined && { name: input.name }),
+    ...(input.values !== undefined && {
+      values: serializeAws_json1_1ImportTaskFilterValueList(
+        input.values,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1ImportTaskFilterValueList = (
@@ -3979,68 +3919,51 @@ const serializeAws_json1_1ListConfigurationsRequest = (
   input: ListConfigurationsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.configurationType !== undefined) {
-    bodyParams["configurationType"] = input.configurationType;
-  }
-  if (input.filters !== undefined) {
-    bodyParams["filters"] = serializeAws_json1_1Filters(input.filters, context);
-  }
-  if (input.maxResults !== undefined) {
-    bodyParams["maxResults"] = input.maxResults;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  if (input.orderBy !== undefined) {
-    bodyParams["orderBy"] = serializeAws_json1_1OrderByList(
-      input.orderBy,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.configurationType !== undefined && {
+      configurationType: input.configurationType
+    }),
+    ...(input.filters !== undefined && {
+      filters: serializeAws_json1_1Filters(input.filters, context)
+    }),
+    ...(input.maxResults !== undefined && { maxResults: input.maxResults }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken }),
+    ...(input.orderBy !== undefined && {
+      orderBy: serializeAws_json1_1OrderByList(input.orderBy, context)
+    })
+  };
 };
 
 const serializeAws_json1_1ListServerNeighborsRequest = (
   input: ListServerNeighborsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.configurationId !== undefined) {
-    bodyParams["configurationId"] = input.configurationId;
-  }
-  if (input.maxResults !== undefined) {
-    bodyParams["maxResults"] = input.maxResults;
-  }
-  if (input.neighborConfigurationIds !== undefined) {
-    bodyParams[
-      "neighborConfigurationIds"
-    ] = serializeAws_json1_1ConfigurationIdList(
-      input.neighborConfigurationIds,
-      context
-    );
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  if (input.portInformationNeeded !== undefined) {
-    bodyParams["portInformationNeeded"] = input.portInformationNeeded;
-  }
-  return bodyParams;
+  return {
+    ...(input.configurationId !== undefined && {
+      configurationId: input.configurationId
+    }),
+    ...(input.maxResults !== undefined && { maxResults: input.maxResults }),
+    ...(input.neighborConfigurationIds !== undefined && {
+      neighborConfigurationIds: serializeAws_json1_1ConfigurationIdList(
+        input.neighborConfigurationIds,
+        context
+      )
+    }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken }),
+    ...(input.portInformationNeeded !== undefined && {
+      portInformationNeeded: input.portInformationNeeded
+    })
+  };
 };
 
 const serializeAws_json1_1OrderByElement = (
   input: OrderByElement,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.fieldName !== undefined) {
-    bodyParams["fieldName"] = input.fieldName;
-  }
-  if (input.sortOrder !== undefined) {
-    bodyParams["sortOrder"] = input.sortOrder;
-  }
-  return bodyParams;
+  return {
+    ...(input.fieldName !== undefined && { fieldName: input.fieldName }),
+    ...(input.sortOrder !== undefined && { sortOrder: input.sortOrder })
+  };
 };
 
 const serializeAws_json1_1OrderByList = (
@@ -4054,121 +3977,91 @@ const serializeAws_json1_1StartContinuousExportRequest = (
   input: StartContinuousExportRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  return bodyParams;
+  return {};
 };
 
 const serializeAws_json1_1StartDataCollectionByAgentIdsRequest = (
   input: StartDataCollectionByAgentIdsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.agentIds !== undefined) {
-    bodyParams["agentIds"] = serializeAws_json1_1AgentIds(
-      input.agentIds,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.agentIds !== undefined && {
+      agentIds: serializeAws_json1_1AgentIds(input.agentIds, context)
+    })
+  };
 };
 
 const serializeAws_json1_1StartExportTaskRequest = (
   input: StartExportTaskRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.endTime !== undefined) {
-    bodyParams["endTime"] = Math.round(input.endTime.getTime() / 1000);
-  }
-  if (input.exportDataFormat !== undefined) {
-    bodyParams["exportDataFormat"] = serializeAws_json1_1ExportDataFormats(
-      input.exportDataFormat,
-      context
-    );
-  }
-  if (input.filters !== undefined) {
-    bodyParams["filters"] = serializeAws_json1_1ExportFilters(
-      input.filters,
-      context
-    );
-  }
-  if (input.startTime !== undefined) {
-    bodyParams["startTime"] = Math.round(input.startTime.getTime() / 1000);
-  }
-  return bodyParams;
+  return {
+    ...(input.endTime !== undefined && {
+      endTime: Math.round(input.endTime.getTime() / 1000)
+    }),
+    ...(input.exportDataFormat !== undefined && {
+      exportDataFormat: serializeAws_json1_1ExportDataFormats(
+        input.exportDataFormat,
+        context
+      )
+    }),
+    ...(input.filters !== undefined && {
+      filters: serializeAws_json1_1ExportFilters(input.filters, context)
+    }),
+    ...(input.startTime !== undefined && {
+      startTime: Math.round(input.startTime.getTime() / 1000)
+    })
+  };
 };
 
 const serializeAws_json1_1StartImportTaskRequest = (
   input: StartImportTaskRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.clientRequestToken === undefined) {
-    input.clientRequestToken = generateIdempotencyToken();
-  }
-  if (input.clientRequestToken !== undefined) {
-    bodyParams["clientRequestToken"] = input.clientRequestToken;
-  }
-  if (input.importUrl !== undefined) {
-    bodyParams["importUrl"] = input.importUrl;
-  }
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  return bodyParams;
+  return {
+    clientRequestToken: input.clientRequestToken ?? generateIdempotencyToken(),
+    ...(input.importUrl !== undefined && { importUrl: input.importUrl }),
+    ...(input.name !== undefined && { name: input.name })
+  };
 };
 
 const serializeAws_json1_1StopContinuousExportRequest = (
   input: StopContinuousExportRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.exportId !== undefined) {
-    bodyParams["exportId"] = input.exportId;
-  }
-  return bodyParams;
+  return {
+    ...(input.exportId !== undefined && { exportId: input.exportId })
+  };
 };
 
 const serializeAws_json1_1StopDataCollectionByAgentIdsRequest = (
   input: StopDataCollectionByAgentIdsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.agentIds !== undefined) {
-    bodyParams["agentIds"] = serializeAws_json1_1AgentIds(
-      input.agentIds,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.agentIds !== undefined && {
+      agentIds: serializeAws_json1_1AgentIds(input.agentIds, context)
+    })
+  };
 };
 
 const serializeAws_json1_1Tag = (input: Tag, context: __SerdeContext): any => {
-  const bodyParams: any = {};
-  if (input.key !== undefined) {
-    bodyParams["key"] = input.key;
-  }
-  if (input.value !== undefined) {
-    bodyParams["value"] = input.value;
-  }
-  return bodyParams;
+  return {
+    ...(input.key !== undefined && { key: input.key }),
+    ...(input.value !== undefined && { value: input.value })
+  };
 };
 
 const serializeAws_json1_1TagFilter = (
   input: TagFilter,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  if (input.values !== undefined) {
-    bodyParams["values"] = serializeAws_json1_1FilterValues(
-      input.values,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.name !== undefined && { name: input.name }),
+    ...(input.values !== undefined && {
+      values: serializeAws_json1_1FilterValues(input.values, context)
+    })
+  };
 };
 
 const serializeAws_json1_1TagFilters = (
@@ -4196,17 +4089,13 @@ const serializeAws_json1_1UpdateApplicationRequest = (
   input: UpdateApplicationRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.configurationId !== undefined) {
-    bodyParams["configurationId"] = input.configurationId;
-  }
-  if (input.description !== undefined) {
-    bodyParams["description"] = input.description;
-  }
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  return bodyParams;
+  return {
+    ...(input.configurationId !== undefined && {
+      configurationId: input.configurationId
+    }),
+    ...(input.description !== undefined && { description: input.description }),
+    ...(input.name !== undefined && { name: input.name })
+  };
 };
 
 const deserializeAws_json1_1AgentConfigurationStatus = (
diff --git a/clients/client-application-insights/protocols/Aws_json1_1.ts b/clients/client-application-insights/protocols/Aws_json1_1.ts
index 29dd928d52e7..d354a458cd3e 100644
--- a/clients/client-application-insights/protocols/Aws_json1_1.ts
+++ b/clients/client-application-insights/protocols/Aws_json1_1.ts
@@ -3042,339 +3042,295 @@ const serializeAws_json1_1CreateApplicationRequest = (
   input: CreateApplicationRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.OpsCenterEnabled !== undefined) {
-    bodyParams["OpsCenterEnabled"] = input.OpsCenterEnabled;
-  }
-  if (input.OpsItemSNSTopicArn !== undefined) {
-    bodyParams["OpsItemSNSTopicArn"] = input.OpsItemSNSTopicArn;
-  }
-  if (input.ResourceGroupName !== undefined) {
-    bodyParams["ResourceGroupName"] = input.ResourceGroupName;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagList(input.Tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.OpsCenterEnabled !== undefined && {
+      OpsCenterEnabled: input.OpsCenterEnabled
+    }),
+    ...(input.OpsItemSNSTopicArn !== undefined && {
+      OpsItemSNSTopicArn: input.OpsItemSNSTopicArn
+    }),
+    ...(input.ResourceGroupName !== undefined && {
+      ResourceGroupName: input.ResourceGroupName
+    }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagList(input.Tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1CreateComponentRequest = (
   input: CreateComponentRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ComponentName !== undefined) {
-    bodyParams["ComponentName"] = input.ComponentName;
-  }
-  if (input.ResourceGroupName !== undefined) {
-    bodyParams["ResourceGroupName"] = input.ResourceGroupName;
-  }
-  if (input.ResourceList !== undefined) {
-    bodyParams["ResourceList"] = serializeAws_json1_1ResourceList(
-      input.ResourceList,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ComponentName !== undefined && {
+      ComponentName: input.ComponentName
+    }),
+    ...(input.ResourceGroupName !== undefined && {
+      ResourceGroupName: input.ResourceGroupName
+    }),
+    ...(input.ResourceList !== undefined && {
+      ResourceList: serializeAws_json1_1ResourceList(
+        input.ResourceList,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1CreateLogPatternRequest = (
   input: CreateLogPatternRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Pattern !== undefined) {
-    bodyParams["Pattern"] = input.Pattern;
-  }
-  if (input.PatternName !== undefined) {
-    bodyParams["PatternName"] = input.PatternName;
-  }
-  if (input.PatternSetName !== undefined) {
-    bodyParams["PatternSetName"] = input.PatternSetName;
-  }
-  if (input.Rank !== undefined) {
-    bodyParams["Rank"] = input.Rank;
-  }
-  if (input.ResourceGroupName !== undefined) {
-    bodyParams["ResourceGroupName"] = input.ResourceGroupName;
-  }
-  return bodyParams;
+  return {
+    ...(input.Pattern !== undefined && { Pattern: input.Pattern }),
+    ...(input.PatternName !== undefined && { PatternName: input.PatternName }),
+    ...(input.PatternSetName !== undefined && {
+      PatternSetName: input.PatternSetName
+    }),
+    ...(input.Rank !== undefined && { Rank: input.Rank }),
+    ...(input.ResourceGroupName !== undefined && {
+      ResourceGroupName: input.ResourceGroupName
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteApplicationRequest = (
   input: DeleteApplicationRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceGroupName !== undefined) {
-    bodyParams["ResourceGroupName"] = input.ResourceGroupName;
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceGroupName !== undefined && {
+      ResourceGroupName: input.ResourceGroupName
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteComponentRequest = (
   input: DeleteComponentRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ComponentName !== undefined) {
-    bodyParams["ComponentName"] = input.ComponentName;
-  }
-  if (input.ResourceGroupName !== undefined) {
-    bodyParams["ResourceGroupName"] = input.ResourceGroupName;
-  }
-  return bodyParams;
+  return {
+    ...(input.ComponentName !== undefined && {
+      ComponentName: input.ComponentName
+    }),
+    ...(input.ResourceGroupName !== undefined && {
+      ResourceGroupName: input.ResourceGroupName
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteLogPatternRequest = (
   input: DeleteLogPatternRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.PatternName !== undefined) {
-    bodyParams["PatternName"] = input.PatternName;
-  }
-  if (input.PatternSetName !== undefined) {
-    bodyParams["PatternSetName"] = input.PatternSetName;
-  }
-  if (input.ResourceGroupName !== undefined) {
-    bodyParams["ResourceGroupName"] = input.ResourceGroupName;
-  }
-  return bodyParams;
+  return {
+    ...(input.PatternName !== undefined && { PatternName: input.PatternName }),
+    ...(input.PatternSetName !== undefined && {
+      PatternSetName: input.PatternSetName
+    }),
+    ...(input.ResourceGroupName !== undefined && {
+      ResourceGroupName: input.ResourceGroupName
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeApplicationRequest = (
   input: DescribeApplicationRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceGroupName !== undefined) {
-    bodyParams["ResourceGroupName"] = input.ResourceGroupName;
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceGroupName !== undefined && {
+      ResourceGroupName: input.ResourceGroupName
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeComponentConfigurationRecommendationRequest = (
   input: DescribeComponentConfigurationRecommendationRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ComponentName !== undefined) {
-    bodyParams["ComponentName"] = input.ComponentName;
-  }
-  if (input.ResourceGroupName !== undefined) {
-    bodyParams["ResourceGroupName"] = input.ResourceGroupName;
-  }
-  if (input.Tier !== undefined) {
-    bodyParams["Tier"] = input.Tier;
-  }
-  return bodyParams;
+  return {
+    ...(input.ComponentName !== undefined && {
+      ComponentName: input.ComponentName
+    }),
+    ...(input.ResourceGroupName !== undefined && {
+      ResourceGroupName: input.ResourceGroupName
+    }),
+    ...(input.Tier !== undefined && { Tier: input.Tier })
+  };
 };
 
 const serializeAws_json1_1DescribeComponentConfigurationRequest = (
   input: DescribeComponentConfigurationRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ComponentName !== undefined) {
-    bodyParams["ComponentName"] = input.ComponentName;
-  }
-  if (input.ResourceGroupName !== undefined) {
-    bodyParams["ResourceGroupName"] = input.ResourceGroupName;
-  }
-  return bodyParams;
+  return {
+    ...(input.ComponentName !== undefined && {
+      ComponentName: input.ComponentName
+    }),
+    ...(input.ResourceGroupName !== undefined && {
+      ResourceGroupName: input.ResourceGroupName
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeComponentRequest = (
   input: DescribeComponentRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ComponentName !== undefined) {
-    bodyParams["ComponentName"] = input.ComponentName;
-  }
-  if (input.ResourceGroupName !== undefined) {
-    bodyParams["ResourceGroupName"] = input.ResourceGroupName;
-  }
-  return bodyParams;
+  return {
+    ...(input.ComponentName !== undefined && {
+      ComponentName: input.ComponentName
+    }),
+    ...(input.ResourceGroupName !== undefined && {
+      ResourceGroupName: input.ResourceGroupName
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeLogPatternRequest = (
   input: DescribeLogPatternRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.PatternName !== undefined) {
-    bodyParams["PatternName"] = input.PatternName;
-  }
-  if (input.PatternSetName !== undefined) {
-    bodyParams["PatternSetName"] = input.PatternSetName;
-  }
-  if (input.ResourceGroupName !== undefined) {
-    bodyParams["ResourceGroupName"] = input.ResourceGroupName;
-  }
-  return bodyParams;
+  return {
+    ...(input.PatternName !== undefined && { PatternName: input.PatternName }),
+    ...(input.PatternSetName !== undefined && {
+      PatternSetName: input.PatternSetName
+    }),
+    ...(input.ResourceGroupName !== undefined && {
+      ResourceGroupName: input.ResourceGroupName
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeObservationRequest = (
   input: DescribeObservationRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ObservationId !== undefined) {
-    bodyParams["ObservationId"] = input.ObservationId;
-  }
-  return bodyParams;
+  return {
+    ...(input.ObservationId !== undefined && {
+      ObservationId: input.ObservationId
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeProblemObservationsRequest = (
   input: DescribeProblemObservationsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ProblemId !== undefined) {
-    bodyParams["ProblemId"] = input.ProblemId;
-  }
-  return bodyParams;
+  return {
+    ...(input.ProblemId !== undefined && { ProblemId: input.ProblemId })
+  };
 };
 
 const serializeAws_json1_1DescribeProblemRequest = (
   input: DescribeProblemRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ProblemId !== undefined) {
-    bodyParams["ProblemId"] = input.ProblemId;
-  }
-  return bodyParams;
+  return {
+    ...(input.ProblemId !== undefined && { ProblemId: input.ProblemId })
+  };
 };
 
 const serializeAws_json1_1ListApplicationsRequest = (
   input: ListApplicationsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1ListComponentsRequest = (
   input: ListComponentsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.ResourceGroupName !== undefined) {
-    bodyParams["ResourceGroupName"] = input.ResourceGroupName;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.ResourceGroupName !== undefined && {
+      ResourceGroupName: input.ResourceGroupName
+    })
+  };
 };
 
 const serializeAws_json1_1ListConfigurationHistoryRequest = (
   input: ListConfigurationHistoryRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EndTime !== undefined) {
-    bodyParams["EndTime"] = Math.round(input.EndTime.getTime() / 1000);
-  }
-  if (input.EventStatus !== undefined) {
-    bodyParams["EventStatus"] = input.EventStatus;
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.ResourceGroupName !== undefined) {
-    bodyParams["ResourceGroupName"] = input.ResourceGroupName;
-  }
-  if (input.StartTime !== undefined) {
-    bodyParams["StartTime"] = Math.round(input.StartTime.getTime() / 1000);
-  }
-  return bodyParams;
+  return {
+    ...(input.EndTime !== undefined && {
+      EndTime: Math.round(input.EndTime.getTime() / 1000)
+    }),
+    ...(input.EventStatus !== undefined && { EventStatus: input.EventStatus }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.ResourceGroupName !== undefined && {
+      ResourceGroupName: input.ResourceGroupName
+    }),
+    ...(input.StartTime !== undefined && {
+      StartTime: Math.round(input.StartTime.getTime() / 1000)
+    })
+  };
 };
 
 const serializeAws_json1_1ListLogPatternSetsRequest = (
   input: ListLogPatternSetsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.ResourceGroupName !== undefined) {
-    bodyParams["ResourceGroupName"] = input.ResourceGroupName;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.ResourceGroupName !== undefined && {
+      ResourceGroupName: input.ResourceGroupName
+    })
+  };
 };
 
 const serializeAws_json1_1ListLogPatternsRequest = (
   input: ListLogPatternsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.PatternSetName !== undefined) {
-    bodyParams["PatternSetName"] = input.PatternSetName;
-  }
-  if (input.ResourceGroupName !== undefined) {
-    bodyParams["ResourceGroupName"] = input.ResourceGroupName;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.PatternSetName !== undefined && {
+      PatternSetName: input.PatternSetName
+    }),
+    ...(input.ResourceGroupName !== undefined && {
+      ResourceGroupName: input.ResourceGroupName
+    })
+  };
 };
 
 const serializeAws_json1_1ListProblemsRequest = (
   input: ListProblemsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EndTime !== undefined) {
-    bodyParams["EndTime"] = Math.round(input.EndTime.getTime() / 1000);
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.ResourceGroupName !== undefined) {
-    bodyParams["ResourceGroupName"] = input.ResourceGroupName;
-  }
-  if (input.StartTime !== undefined) {
-    bodyParams["StartTime"] = Math.round(input.StartTime.getTime() / 1000);
-  }
-  return bodyParams;
+  return {
+    ...(input.EndTime !== undefined && {
+      EndTime: Math.round(input.EndTime.getTime() / 1000)
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.ResourceGroupName !== undefined && {
+      ResourceGroupName: input.ResourceGroupName
+    }),
+    ...(input.StartTime !== undefined && {
+      StartTime: Math.round(input.StartTime.getTime() / 1000)
+    })
+  };
 };
 
 const serializeAws_json1_1ListTagsForResourceRequest = (
   input: ListTagsForResourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceARN !== undefined) {
-    bodyParams["ResourceARN"] = input.ResourceARN;
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceARN !== undefined && { ResourceARN: input.ResourceARN })
+  };
 };
 
 const serializeAws_json1_1ResourceList = (
@@ -3385,14 +3341,10 @@ const serializeAws_json1_1ResourceList = (
 };
 
 const serializeAws_json1_1Tag = (input: Tag, context: __SerdeContext): any => {
-  const bodyParams: any = {};
-  if (input.Key !== undefined) {
-    bodyParams["Key"] = input.Key;
-  }
-  if (input.Value !== undefined) {
-    bodyParams["Value"] = input.Value;
-  }
-  return bodyParams;
+  return {
+    ...(input.Key !== undefined && { Key: input.Key }),
+    ...(input.Value !== undefined && { Value: input.Value })
+  };
 };
 
 const serializeAws_json1_1TagKeyList = (
@@ -3413,120 +3365,103 @@ const serializeAws_json1_1TagResourceRequest = (
   input: TagResourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceARN !== undefined) {
-    bodyParams["ResourceARN"] = input.ResourceARN;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagList(input.Tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceARN !== undefined && { ResourceARN: input.ResourceARN }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagList(input.Tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1UntagResourceRequest = (
   input: UntagResourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceARN !== undefined) {
-    bodyParams["ResourceARN"] = input.ResourceARN;
-  }
-  if (input.TagKeys !== undefined) {
-    bodyParams["TagKeys"] = serializeAws_json1_1TagKeyList(
-      input.TagKeys,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceARN !== undefined && { ResourceARN: input.ResourceARN }),
+    ...(input.TagKeys !== undefined && {
+      TagKeys: serializeAws_json1_1TagKeyList(input.TagKeys, context)
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateApplicationRequest = (
   input: UpdateApplicationRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.OpsCenterEnabled !== undefined) {
-    bodyParams["OpsCenterEnabled"] = input.OpsCenterEnabled;
-  }
-  if (input.OpsItemSNSTopicArn !== undefined) {
-    bodyParams["OpsItemSNSTopicArn"] = input.OpsItemSNSTopicArn;
-  }
-  if (input.RemoveSNSTopic !== undefined) {
-    bodyParams["RemoveSNSTopic"] = input.RemoveSNSTopic;
-  }
-  if (input.ResourceGroupName !== undefined) {
-    bodyParams["ResourceGroupName"] = input.ResourceGroupName;
-  }
-  return bodyParams;
+  return {
+    ...(input.OpsCenterEnabled !== undefined && {
+      OpsCenterEnabled: input.OpsCenterEnabled
+    }),
+    ...(input.OpsItemSNSTopicArn !== undefined && {
+      OpsItemSNSTopicArn: input.OpsItemSNSTopicArn
+    }),
+    ...(input.RemoveSNSTopic !== undefined && {
+      RemoveSNSTopic: input.RemoveSNSTopic
+    }),
+    ...(input.ResourceGroupName !== undefined && {
+      ResourceGroupName: input.ResourceGroupName
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateComponentConfigurationRequest = (
   input: UpdateComponentConfigurationRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ComponentConfiguration !== undefined) {
-    bodyParams["ComponentConfiguration"] = input.ComponentConfiguration;
-  }
-  if (input.ComponentName !== undefined) {
-    bodyParams["ComponentName"] = input.ComponentName;
-  }
-  if (input.Monitor !== undefined) {
-    bodyParams["Monitor"] = input.Monitor;
-  }
-  if (input.ResourceGroupName !== undefined) {
-    bodyParams["ResourceGroupName"] = input.ResourceGroupName;
-  }
-  if (input.Tier !== undefined) {
-    bodyParams["Tier"] = input.Tier;
-  }
-  return bodyParams;
+  return {
+    ...(input.ComponentConfiguration !== undefined && {
+      ComponentConfiguration: input.ComponentConfiguration
+    }),
+    ...(input.ComponentName !== undefined && {
+      ComponentName: input.ComponentName
+    }),
+    ...(input.Monitor !== undefined && { Monitor: input.Monitor }),
+    ...(input.ResourceGroupName !== undefined && {
+      ResourceGroupName: input.ResourceGroupName
+    }),
+    ...(input.Tier !== undefined && { Tier: input.Tier })
+  };
 };
 
 const serializeAws_json1_1UpdateComponentRequest = (
   input: UpdateComponentRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ComponentName !== undefined) {
-    bodyParams["ComponentName"] = input.ComponentName;
-  }
-  if (input.NewComponentName !== undefined) {
-    bodyParams["NewComponentName"] = input.NewComponentName;
-  }
-  if (input.ResourceGroupName !== undefined) {
-    bodyParams["ResourceGroupName"] = input.ResourceGroupName;
-  }
-  if (input.ResourceList !== undefined) {
-    bodyParams["ResourceList"] = serializeAws_json1_1ResourceList(
-      input.ResourceList,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ComponentName !== undefined && {
+      ComponentName: input.ComponentName
+    }),
+    ...(input.NewComponentName !== undefined && {
+      NewComponentName: input.NewComponentName
+    }),
+    ...(input.ResourceGroupName !== undefined && {
+      ResourceGroupName: input.ResourceGroupName
+    }),
+    ...(input.ResourceList !== undefined && {
+      ResourceList: serializeAws_json1_1ResourceList(
+        input.ResourceList,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateLogPatternRequest = (
   input: UpdateLogPatternRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Pattern !== undefined) {
-    bodyParams["Pattern"] = input.Pattern;
-  }
-  if (input.PatternName !== undefined) {
-    bodyParams["PatternName"] = input.PatternName;
-  }
-  if (input.PatternSetName !== undefined) {
-    bodyParams["PatternSetName"] = input.PatternSetName;
-  }
-  if (input.Rank !== undefined) {
-    bodyParams["Rank"] = input.Rank;
-  }
-  if (input.ResourceGroupName !== undefined) {
-    bodyParams["ResourceGroupName"] = input.ResourceGroupName;
-  }
-  return bodyParams;
+  return {
+    ...(input.Pattern !== undefined && { Pattern: input.Pattern }),
+    ...(input.PatternName !== undefined && { PatternName: input.PatternName }),
+    ...(input.PatternSetName !== undefined && {
+      PatternSetName: input.PatternSetName
+    }),
+    ...(input.Rank !== undefined && { Rank: input.Rank }),
+    ...(input.ResourceGroupName !== undefined && {
+      ResourceGroupName: input.ResourceGroupName
+    })
+  };
 };
 
 const deserializeAws_json1_1ApplicationComponent = (
diff --git a/clients/client-appstream/protocols/Aws_json1_1.ts b/clients/client-appstream/protocols/Aws_json1_1.ts
index c5d4ae62c349..cdce3e0bfef1 100644
--- a/clients/client-appstream/protocols/Aws_json1_1.ts
+++ b/clients/client-appstream/protocols/Aws_json1_1.ts
@@ -5178,14 +5178,12 @@ const serializeAws_json1_1AccessEndpoint = (
   input: AccessEndpoint,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EndpointType !== undefined) {
-    bodyParams["EndpointType"] = input.EndpointType;
-  }
-  if (input.VpceId !== undefined) {
-    bodyParams["VpceId"] = input.VpceId;
-  }
-  return bodyParams;
+  return {
+    ...(input.EndpointType !== undefined && {
+      EndpointType: input.EndpointType
+    }),
+    ...(input.VpceId !== undefined && { VpceId: input.VpceId })
+  };
 };
 
 const serializeAws_json1_1AccessEndpointList = (
@@ -5199,14 +5197,12 @@ const serializeAws_json1_1ApplicationSettings = (
   input: ApplicationSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Enabled !== undefined) {
-    bodyParams["Enabled"] = input.Enabled;
-  }
-  if (input.SettingsGroup !== undefined) {
-    bodyParams["SettingsGroup"] = input.SettingsGroup;
-  }
-  return bodyParams;
+  return {
+    ...(input.Enabled !== undefined && { Enabled: input.Enabled }),
+    ...(input.SettingsGroup !== undefined && {
+      SettingsGroup: input.SettingsGroup
+    })
+  };
 };
 
 const serializeAws_json1_1ArnList = (
@@ -5220,14 +5216,10 @@ const serializeAws_json1_1AssociateFleetRequest = (
   input: AssociateFleetRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.FleetName !== undefined) {
-    bodyParams["FleetName"] = input.FleetName;
-  }
-  if (input.StackName !== undefined) {
-    bodyParams["StackName"] = input.StackName;
-  }
-  return bodyParams;
+  return {
+    ...(input.FleetName !== undefined && { FleetName: input.FleetName }),
+    ...(input.StackName !== undefined && { StackName: input.StackName })
+  };
 };
 
 const serializeAws_json1_1AwsAccountIdList = (
@@ -5241,624 +5233,488 @@ const serializeAws_json1_1BatchAssociateUserStackRequest = (
   input: BatchAssociateUserStackRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.UserStackAssociations !== undefined) {
-    bodyParams[
-      "UserStackAssociations"
-    ] = serializeAws_json1_1UserStackAssociationList(
-      input.UserStackAssociations,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.UserStackAssociations !== undefined && {
+      UserStackAssociations: serializeAws_json1_1UserStackAssociationList(
+        input.UserStackAssociations,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1BatchDisassociateUserStackRequest = (
   input: BatchDisassociateUserStackRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.UserStackAssociations !== undefined) {
-    bodyParams[
-      "UserStackAssociations"
-    ] = serializeAws_json1_1UserStackAssociationList(
-      input.UserStackAssociations,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.UserStackAssociations !== undefined && {
+      UserStackAssociations: serializeAws_json1_1UserStackAssociationList(
+        input.UserStackAssociations,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1ComputeCapacity = (
   input: ComputeCapacity,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DesiredInstances !== undefined) {
-    bodyParams["DesiredInstances"] = input.DesiredInstances;
-  }
-  return bodyParams;
+  return {
+    ...(input.DesiredInstances !== undefined && {
+      DesiredInstances: input.DesiredInstances
+    })
+  };
 };
 
 const serializeAws_json1_1CopyImageRequest = (
   input: CopyImageRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DestinationImageDescription !== undefined) {
-    bodyParams["DestinationImageDescription"] =
-      input.DestinationImageDescription;
-  }
-  if (input.DestinationImageName !== undefined) {
-    bodyParams["DestinationImageName"] = input.DestinationImageName;
-  }
-  if (input.DestinationRegion !== undefined) {
-    bodyParams["DestinationRegion"] = input.DestinationRegion;
-  }
-  if (input.SourceImageName !== undefined) {
-    bodyParams["SourceImageName"] = input.SourceImageName;
-  }
-  return bodyParams;
+  return {
+    ...(input.DestinationImageDescription !== undefined && {
+      DestinationImageDescription: input.DestinationImageDescription
+    }),
+    ...(input.DestinationImageName !== undefined && {
+      DestinationImageName: input.DestinationImageName
+    }),
+    ...(input.DestinationRegion !== undefined && {
+      DestinationRegion: input.DestinationRegion
+    }),
+    ...(input.SourceImageName !== undefined && {
+      SourceImageName: input.SourceImageName
+    })
+  };
 };
 
 const serializeAws_json1_1CreateDirectoryConfigRequest = (
   input: CreateDirectoryConfigRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DirectoryName !== undefined) {
-    bodyParams["DirectoryName"] = input.DirectoryName;
-  }
-  if (input.OrganizationalUnitDistinguishedNames !== undefined) {
-    bodyParams[
-      "OrganizationalUnitDistinguishedNames"
-    ] = serializeAws_json1_1OrganizationalUnitDistinguishedNamesList(
-      input.OrganizationalUnitDistinguishedNames,
-      context
-    );
-  }
-  if (input.ServiceAccountCredentials !== undefined) {
-    bodyParams[
-      "ServiceAccountCredentials"
-    ] = serializeAws_json1_1ServiceAccountCredentials(
-      input.ServiceAccountCredentials,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.DirectoryName !== undefined && {
+      DirectoryName: input.DirectoryName
+    }),
+    ...(input.OrganizationalUnitDistinguishedNames !== undefined && {
+      OrganizationalUnitDistinguishedNames: serializeAws_json1_1OrganizationalUnitDistinguishedNamesList(
+        input.OrganizationalUnitDistinguishedNames,
+        context
+      )
+    }),
+    ...(input.ServiceAccountCredentials !== undefined && {
+      ServiceAccountCredentials: serializeAws_json1_1ServiceAccountCredentials(
+        input.ServiceAccountCredentials,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1CreateFleetRequest = (
   input: CreateFleetRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ComputeCapacity !== undefined) {
-    bodyParams["ComputeCapacity"] = serializeAws_json1_1ComputeCapacity(
-      input.ComputeCapacity,
-      context
-    );
-  }
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.DisconnectTimeoutInSeconds !== undefined) {
-    bodyParams["DisconnectTimeoutInSeconds"] = input.DisconnectTimeoutInSeconds;
-  }
-  if (input.DisplayName !== undefined) {
-    bodyParams["DisplayName"] = input.DisplayName;
-  }
-  if (input.DomainJoinInfo !== undefined) {
-    bodyParams["DomainJoinInfo"] = serializeAws_json1_1DomainJoinInfo(
-      input.DomainJoinInfo,
-      context
-    );
-  }
-  if (input.EnableDefaultInternetAccess !== undefined) {
-    bodyParams["EnableDefaultInternetAccess"] =
-      input.EnableDefaultInternetAccess;
-  }
-  if (input.FleetType !== undefined) {
-    bodyParams["FleetType"] = input.FleetType;
-  }
-  if (input.IamRoleArn !== undefined) {
-    bodyParams["IamRoleArn"] = input.IamRoleArn;
-  }
-  if (input.IdleDisconnectTimeoutInSeconds !== undefined) {
-    bodyParams["IdleDisconnectTimeoutInSeconds"] =
-      input.IdleDisconnectTimeoutInSeconds;
-  }
-  if (input.ImageArn !== undefined) {
-    bodyParams["ImageArn"] = input.ImageArn;
-  }
-  if (input.ImageName !== undefined) {
-    bodyParams["ImageName"] = input.ImageName;
-  }
-  if (input.InstanceType !== undefined) {
-    bodyParams["InstanceType"] = input.InstanceType;
-  }
-  if (input.MaxUserDurationInSeconds !== undefined) {
-    bodyParams["MaxUserDurationInSeconds"] = input.MaxUserDurationInSeconds;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1Tags(input.Tags, context);
-  }
-  if (input.VpcConfig !== undefined) {
-    bodyParams["VpcConfig"] = serializeAws_json1_1VpcConfig(
-      input.VpcConfig,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ComputeCapacity !== undefined && {
+      ComputeCapacity: serializeAws_json1_1ComputeCapacity(
+        input.ComputeCapacity,
+        context
+      )
+    }),
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.DisconnectTimeoutInSeconds !== undefined && {
+      DisconnectTimeoutInSeconds: input.DisconnectTimeoutInSeconds
+    }),
+    ...(input.DisplayName !== undefined && { DisplayName: input.DisplayName }),
+    ...(input.DomainJoinInfo !== undefined && {
+      DomainJoinInfo: serializeAws_json1_1DomainJoinInfo(
+        input.DomainJoinInfo,
+        context
+      )
+    }),
+    ...(input.EnableDefaultInternetAccess !== undefined && {
+      EnableDefaultInternetAccess: input.EnableDefaultInternetAccess
+    }),
+    ...(input.FleetType !== undefined && { FleetType: input.FleetType }),
+    ...(input.IamRoleArn !== undefined && { IamRoleArn: input.IamRoleArn }),
+    ...(input.IdleDisconnectTimeoutInSeconds !== undefined && {
+      IdleDisconnectTimeoutInSeconds: input.IdleDisconnectTimeoutInSeconds
+    }),
+    ...(input.ImageArn !== undefined && { ImageArn: input.ImageArn }),
+    ...(input.ImageName !== undefined && { ImageName: input.ImageName }),
+    ...(input.InstanceType !== undefined && {
+      InstanceType: input.InstanceType
+    }),
+    ...(input.MaxUserDurationInSeconds !== undefined && {
+      MaxUserDurationInSeconds: input.MaxUserDurationInSeconds
+    }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1Tags(input.Tags, context)
+    }),
+    ...(input.VpcConfig !== undefined && {
+      VpcConfig: serializeAws_json1_1VpcConfig(input.VpcConfig, context)
+    })
+  };
 };
 
 const serializeAws_json1_1CreateImageBuilderRequest = (
   input: CreateImageBuilderRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AccessEndpoints !== undefined) {
-    bodyParams["AccessEndpoints"] = serializeAws_json1_1AccessEndpointList(
-      input.AccessEndpoints,
-      context
-    );
-  }
-  if (input.AppstreamAgentVersion !== undefined) {
-    bodyParams["AppstreamAgentVersion"] = input.AppstreamAgentVersion;
-  }
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.DisplayName !== undefined) {
-    bodyParams["DisplayName"] = input.DisplayName;
-  }
-  if (input.DomainJoinInfo !== undefined) {
-    bodyParams["DomainJoinInfo"] = serializeAws_json1_1DomainJoinInfo(
-      input.DomainJoinInfo,
-      context
-    );
-  }
-  if (input.EnableDefaultInternetAccess !== undefined) {
-    bodyParams["EnableDefaultInternetAccess"] =
-      input.EnableDefaultInternetAccess;
-  }
-  if (input.IamRoleArn !== undefined) {
-    bodyParams["IamRoleArn"] = input.IamRoleArn;
-  }
-  if (input.ImageArn !== undefined) {
-    bodyParams["ImageArn"] = input.ImageArn;
-  }
-  if (input.ImageName !== undefined) {
-    bodyParams["ImageName"] = input.ImageName;
-  }
-  if (input.InstanceType !== undefined) {
-    bodyParams["InstanceType"] = input.InstanceType;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1Tags(input.Tags, context);
-  }
-  if (input.VpcConfig !== undefined) {
-    bodyParams["VpcConfig"] = serializeAws_json1_1VpcConfig(
-      input.VpcConfig,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.AccessEndpoints !== undefined && {
+      AccessEndpoints: serializeAws_json1_1AccessEndpointList(
+        input.AccessEndpoints,
+        context
+      )
+    }),
+    ...(input.AppstreamAgentVersion !== undefined && {
+      AppstreamAgentVersion: input.AppstreamAgentVersion
+    }),
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.DisplayName !== undefined && { DisplayName: input.DisplayName }),
+    ...(input.DomainJoinInfo !== undefined && {
+      DomainJoinInfo: serializeAws_json1_1DomainJoinInfo(
+        input.DomainJoinInfo,
+        context
+      )
+    }),
+    ...(input.EnableDefaultInternetAccess !== undefined && {
+      EnableDefaultInternetAccess: input.EnableDefaultInternetAccess
+    }),
+    ...(input.IamRoleArn !== undefined && { IamRoleArn: input.IamRoleArn }),
+    ...(input.ImageArn !== undefined && { ImageArn: input.ImageArn }),
+    ...(input.ImageName !== undefined && { ImageName: input.ImageName }),
+    ...(input.InstanceType !== undefined && {
+      InstanceType: input.InstanceType
+    }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1Tags(input.Tags, context)
+    }),
+    ...(input.VpcConfig !== undefined && {
+      VpcConfig: serializeAws_json1_1VpcConfig(input.VpcConfig, context)
+    })
+  };
 };
 
 const serializeAws_json1_1CreateImageBuilderStreamingURLRequest = (
   input: CreateImageBuilderStreamingURLRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.Validity !== undefined) {
-    bodyParams["Validity"] = input.Validity;
-  }
-  return bodyParams;
+  return {
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.Validity !== undefined && { Validity: input.Validity })
+  };
 };
 
 const serializeAws_json1_1CreateStackRequest = (
   input: CreateStackRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AccessEndpoints !== undefined) {
-    bodyParams["AccessEndpoints"] = serializeAws_json1_1AccessEndpointList(
-      input.AccessEndpoints,
-      context
-    );
-  }
-  if (input.ApplicationSettings !== undefined) {
-    bodyParams["ApplicationSettings"] = serializeAws_json1_1ApplicationSettings(
-      input.ApplicationSettings,
-      context
-    );
-  }
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.DisplayName !== undefined) {
-    bodyParams["DisplayName"] = input.DisplayName;
-  }
-  if (input.EmbedHostDomains !== undefined) {
-    bodyParams["EmbedHostDomains"] = serializeAws_json1_1EmbedHostDomains(
-      input.EmbedHostDomains,
-      context
-    );
-  }
-  if (input.FeedbackURL !== undefined) {
-    bodyParams["FeedbackURL"] = input.FeedbackURL;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.RedirectURL !== undefined) {
-    bodyParams["RedirectURL"] = input.RedirectURL;
-  }
-  if (input.StorageConnectors !== undefined) {
-    bodyParams["StorageConnectors"] = serializeAws_json1_1StorageConnectorList(
-      input.StorageConnectors,
-      context
-    );
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1Tags(input.Tags, context);
-  }
-  if (input.UserSettings !== undefined) {
-    bodyParams["UserSettings"] = serializeAws_json1_1UserSettingList(
-      input.UserSettings,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.AccessEndpoints !== undefined && {
+      AccessEndpoints: serializeAws_json1_1AccessEndpointList(
+        input.AccessEndpoints,
+        context
+      )
+    }),
+    ...(input.ApplicationSettings !== undefined && {
+      ApplicationSettings: serializeAws_json1_1ApplicationSettings(
+        input.ApplicationSettings,
+        context
+      )
+    }),
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.DisplayName !== undefined && { DisplayName: input.DisplayName }),
+    ...(input.EmbedHostDomains !== undefined && {
+      EmbedHostDomains: serializeAws_json1_1EmbedHostDomains(
+        input.EmbedHostDomains,
+        context
+      )
+    }),
+    ...(input.FeedbackURL !== undefined && { FeedbackURL: input.FeedbackURL }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.RedirectURL !== undefined && { RedirectURL: input.RedirectURL }),
+    ...(input.StorageConnectors !== undefined && {
+      StorageConnectors: serializeAws_json1_1StorageConnectorList(
+        input.StorageConnectors,
+        context
+      )
+    }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1Tags(input.Tags, context)
+    }),
+    ...(input.UserSettings !== undefined && {
+      UserSettings: serializeAws_json1_1UserSettingList(
+        input.UserSettings,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1CreateStreamingURLRequest = (
   input: CreateStreamingURLRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ApplicationId !== undefined) {
-    bodyParams["ApplicationId"] = input.ApplicationId;
-  }
-  if (input.FleetName !== undefined) {
-    bodyParams["FleetName"] = input.FleetName;
-  }
-  if (input.SessionContext !== undefined) {
-    bodyParams["SessionContext"] = input.SessionContext;
-  }
-  if (input.StackName !== undefined) {
-    bodyParams["StackName"] = input.StackName;
-  }
-  if (input.UserId !== undefined) {
-    bodyParams["UserId"] = input.UserId;
-  }
-  if (input.Validity !== undefined) {
-    bodyParams["Validity"] = input.Validity;
-  }
-  return bodyParams;
+  return {
+    ...(input.ApplicationId !== undefined && {
+      ApplicationId: input.ApplicationId
+    }),
+    ...(input.FleetName !== undefined && { FleetName: input.FleetName }),
+    ...(input.SessionContext !== undefined && {
+      SessionContext: input.SessionContext
+    }),
+    ...(input.StackName !== undefined && { StackName: input.StackName }),
+    ...(input.UserId !== undefined && { UserId: input.UserId }),
+    ...(input.Validity !== undefined && { Validity: input.Validity })
+  };
 };
 
 const serializeAws_json1_1CreateUsageReportSubscriptionRequest = (
   input: CreateUsageReportSubscriptionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  return bodyParams;
+  return {};
 };
 
 const serializeAws_json1_1CreateUserRequest = (
   input: CreateUserRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AuthenticationType !== undefined) {
-    bodyParams["AuthenticationType"] = input.AuthenticationType;
-  }
-  if (input.FirstName !== undefined) {
-    bodyParams["FirstName"] = input.FirstName;
-  }
-  if (input.LastName !== undefined) {
-    bodyParams["LastName"] = input.LastName;
-  }
-  if (input.MessageAction !== undefined) {
-    bodyParams["MessageAction"] = input.MessageAction;
-  }
-  if (input.UserName !== undefined) {
-    bodyParams["UserName"] = input.UserName;
-  }
-  return bodyParams;
+  return {
+    ...(input.AuthenticationType !== undefined && {
+      AuthenticationType: input.AuthenticationType
+    }),
+    ...(input.FirstName !== undefined && { FirstName: input.FirstName }),
+    ...(input.LastName !== undefined && { LastName: input.LastName }),
+    ...(input.MessageAction !== undefined && {
+      MessageAction: input.MessageAction
+    }),
+    ...(input.UserName !== undefined && { UserName: input.UserName })
+  };
 };
 
 const serializeAws_json1_1DeleteDirectoryConfigRequest = (
   input: DeleteDirectoryConfigRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DirectoryName !== undefined) {
-    bodyParams["DirectoryName"] = input.DirectoryName;
-  }
-  return bodyParams;
+  return {
+    ...(input.DirectoryName !== undefined && {
+      DirectoryName: input.DirectoryName
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteFleetRequest = (
   input: DeleteFleetRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1DeleteImageBuilderRequest = (
   input: DeleteImageBuilderRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1DeleteImagePermissionsRequest = (
   input: DeleteImagePermissionsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.SharedAccountId !== undefined) {
-    bodyParams["SharedAccountId"] = input.SharedAccountId;
-  }
-  return bodyParams;
+  return {
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.SharedAccountId !== undefined && {
+      SharedAccountId: input.SharedAccountId
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteImageRequest = (
   input: DeleteImageRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1DeleteStackRequest = (
   input: DeleteStackRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1DeleteUsageReportSubscriptionRequest = (
   input: DeleteUsageReportSubscriptionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  return bodyParams;
+  return {};
 };
 
 const serializeAws_json1_1DeleteUserRequest = (
   input: DeleteUserRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AuthenticationType !== undefined) {
-    bodyParams["AuthenticationType"] = input.AuthenticationType;
-  }
-  if (input.UserName !== undefined) {
-    bodyParams["UserName"] = input.UserName;
-  }
-  return bodyParams;
+  return {
+    ...(input.AuthenticationType !== undefined && {
+      AuthenticationType: input.AuthenticationType
+    }),
+    ...(input.UserName !== undefined && { UserName: input.UserName })
+  };
 };
 
 const serializeAws_json1_1DescribeDirectoryConfigsRequest = (
   input: DescribeDirectoryConfigsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DirectoryNames !== undefined) {
-    bodyParams["DirectoryNames"] = serializeAws_json1_1DirectoryNameList(
-      input.DirectoryNames,
-      context
-    );
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.DirectoryNames !== undefined && {
+      DirectoryNames: serializeAws_json1_1DirectoryNameList(
+        input.DirectoryNames,
+        context
+      )
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1DescribeFleetsRequest = (
   input: DescribeFleetsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Names !== undefined) {
-    bodyParams["Names"] = serializeAws_json1_1StringList(input.Names, context);
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.Names !== undefined && {
+      Names: serializeAws_json1_1StringList(input.Names, context)
+    }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1DescribeImageBuildersRequest = (
   input: DescribeImageBuildersRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.Names !== undefined) {
-    bodyParams["Names"] = serializeAws_json1_1StringList(input.Names, context);
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.Names !== undefined && {
+      Names: serializeAws_json1_1StringList(input.Names, context)
+    }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1DescribeImagePermissionsRequest = (
   input: DescribeImagePermissionsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.SharedAwsAccountIds !== undefined) {
-    bodyParams["SharedAwsAccountIds"] = serializeAws_json1_1AwsAccountIdList(
-      input.SharedAwsAccountIds,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.SharedAwsAccountIds !== undefined && {
+      SharedAwsAccountIds: serializeAws_json1_1AwsAccountIdList(
+        input.SharedAwsAccountIds,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeImagesRequest = (
   input: DescribeImagesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Arns !== undefined) {
-    bodyParams["Arns"] = serializeAws_json1_1ArnList(input.Arns, context);
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.Names !== undefined) {
-    bodyParams["Names"] = serializeAws_json1_1StringList(input.Names, context);
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.Type !== undefined) {
-    bodyParams["Type"] = input.Type;
-  }
-  return bodyParams;
+  return {
+    ...(input.Arns !== undefined && {
+      Arns: serializeAws_json1_1ArnList(input.Arns, context)
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.Names !== undefined && {
+      Names: serializeAws_json1_1StringList(input.Names, context)
+    }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.Type !== undefined && { Type: input.Type })
+  };
 };
 
 const serializeAws_json1_1DescribeSessionsRequest = (
   input: DescribeSessionsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AuthenticationType !== undefined) {
-    bodyParams["AuthenticationType"] = input.AuthenticationType;
-  }
-  if (input.FleetName !== undefined) {
-    bodyParams["FleetName"] = input.FleetName;
-  }
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.StackName !== undefined) {
-    bodyParams["StackName"] = input.StackName;
-  }
-  if (input.UserId !== undefined) {
-    bodyParams["UserId"] = input.UserId;
-  }
-  return bodyParams;
+  return {
+    ...(input.AuthenticationType !== undefined && {
+      AuthenticationType: input.AuthenticationType
+    }),
+    ...(input.FleetName !== undefined && { FleetName: input.FleetName }),
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.StackName !== undefined && { StackName: input.StackName }),
+    ...(input.UserId !== undefined && { UserId: input.UserId })
+  };
 };
 
 const serializeAws_json1_1DescribeStacksRequest = (
   input: DescribeStacksRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Names !== undefined) {
-    bodyParams["Names"] = serializeAws_json1_1StringList(input.Names, context);
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.Names !== undefined && {
+      Names: serializeAws_json1_1StringList(input.Names, context)
+    }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1DescribeUsageReportSubscriptionsRequest = (
   input: DescribeUsageReportSubscriptionsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1DescribeUserStackAssociationsRequest = (
   input: DescribeUserStackAssociationsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AuthenticationType !== undefined) {
-    bodyParams["AuthenticationType"] = input.AuthenticationType;
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.StackName !== undefined) {
-    bodyParams["StackName"] = input.StackName;
-  }
-  if (input.UserName !== undefined) {
-    bodyParams["UserName"] = input.UserName;
-  }
-  return bodyParams;
+  return {
+    ...(input.AuthenticationType !== undefined && {
+      AuthenticationType: input.AuthenticationType
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.StackName !== undefined && { StackName: input.StackName }),
+    ...(input.UserName !== undefined && { UserName: input.UserName })
+  };
 };
 
 const serializeAws_json1_1DescribeUsersRequest = (
   input: DescribeUsersRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AuthenticationType !== undefined) {
-    bodyParams["AuthenticationType"] = input.AuthenticationType;
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.AuthenticationType !== undefined && {
+      AuthenticationType: input.AuthenticationType
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1DirectoryNameList = (
@@ -5872,43 +5728,37 @@ const serializeAws_json1_1DisableUserRequest = (
   input: DisableUserRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AuthenticationType !== undefined) {
-    bodyParams["AuthenticationType"] = input.AuthenticationType;
-  }
-  if (input.UserName !== undefined) {
-    bodyParams["UserName"] = input.UserName;
-  }
-  return bodyParams;
+  return {
+    ...(input.AuthenticationType !== undefined && {
+      AuthenticationType: input.AuthenticationType
+    }),
+    ...(input.UserName !== undefined && { UserName: input.UserName })
+  };
 };
 
 const serializeAws_json1_1DisassociateFleetRequest = (
   input: DisassociateFleetRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.FleetName !== undefined) {
-    bodyParams["FleetName"] = input.FleetName;
-  }
-  if (input.StackName !== undefined) {
-    bodyParams["StackName"] = input.StackName;
-  }
-  return bodyParams;
+  return {
+    ...(input.FleetName !== undefined && { FleetName: input.FleetName }),
+    ...(input.StackName !== undefined && { StackName: input.StackName })
+  };
 };
 
 const serializeAws_json1_1DomainJoinInfo = (
   input: DomainJoinInfo,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DirectoryName !== undefined) {
-    bodyParams["DirectoryName"] = input.DirectoryName;
-  }
-  if (input.OrganizationalUnitDistinguishedName !== undefined) {
-    bodyParams["OrganizationalUnitDistinguishedName"] =
-      input.OrganizationalUnitDistinguishedName;
-  }
-  return bodyParams;
+  return {
+    ...(input.DirectoryName !== undefined && {
+      DirectoryName: input.DirectoryName
+    }),
+    ...(input.OrganizationalUnitDistinguishedName !== undefined && {
+      OrganizationalUnitDistinguishedName:
+        input.OrganizationalUnitDistinguishedName
+    })
+  };
 };
 
 const serializeAws_json1_1DomainList = (
@@ -5929,25 +5779,21 @@ const serializeAws_json1_1EnableUserRequest = (
   input: EnableUserRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AuthenticationType !== undefined) {
-    bodyParams["AuthenticationType"] = input.AuthenticationType;
-  }
-  if (input.UserName !== undefined) {
-    bodyParams["UserName"] = input.UserName;
-  }
-  return bodyParams;
+  return {
+    ...(input.AuthenticationType !== undefined && {
+      AuthenticationType: input.AuthenticationType
+    }),
+    ...(input.UserName !== undefined && { UserName: input.UserName })
+  };
 };
 
 const serializeAws_json1_1ExpireSessionRequest = (
   input: ExpireSessionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.SessionId !== undefined) {
-    bodyParams["SessionId"] = input.SessionId;
-  }
-  return bodyParams;
+  return {
+    ...(input.SessionId !== undefined && { SessionId: input.SessionId })
+  };
 };
 
 const serializeAws_json1_1FleetAttributes = (
@@ -5961,53 +5807,41 @@ const serializeAws_json1_1ImagePermissions = (
   input: ImagePermissions,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.allowFleet !== undefined) {
-    bodyParams["allowFleet"] = input.allowFleet;
-  }
-  if (input.allowImageBuilder !== undefined) {
-    bodyParams["allowImageBuilder"] = input.allowImageBuilder;
-  }
-  return bodyParams;
+  return {
+    ...(input.allowFleet !== undefined && { allowFleet: input.allowFleet }),
+    ...(input.allowImageBuilder !== undefined && {
+      allowImageBuilder: input.allowImageBuilder
+    })
+  };
 };
 
 const serializeAws_json1_1ListAssociatedFleetsRequest = (
   input: ListAssociatedFleetsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.StackName !== undefined) {
-    bodyParams["StackName"] = input.StackName;
-  }
-  return bodyParams;
+  return {
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.StackName !== undefined && { StackName: input.StackName })
+  };
 };
 
 const serializeAws_json1_1ListAssociatedStacksRequest = (
   input: ListAssociatedStacksRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.FleetName !== undefined) {
-    bodyParams["FleetName"] = input.FleetName;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.FleetName !== undefined && { FleetName: input.FleetName }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1ListTagsForResourceRequest = (
   input: ListTagsForResourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceArn !== undefined) {
-    bodyParams["ResourceArn"] = input.ResourceArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceArn !== undefined && { ResourceArn: input.ResourceArn })
+  };
 };
 
 const serializeAws_json1_1OrganizationalUnitDistinguishedNamesList = (
@@ -6028,14 +5862,12 @@ const serializeAws_json1_1ServiceAccountCredentials = (
   input: ServiceAccountCredentials,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AccountName !== undefined) {
-    bodyParams["AccountName"] = input.AccountName;
-  }
-  if (input.AccountPassword !== undefined) {
-    bodyParams["AccountPassword"] = input.AccountPassword;
-  }
-  return bodyParams;
+  return {
+    ...(input.AccountName !== undefined && { AccountName: input.AccountName }),
+    ...(input.AccountPassword !== undefined && {
+      AccountPassword: input.AccountPassword
+    })
+  };
 };
 
 const serializeAws_json1_1StackAttributes = (
@@ -6049,67 +5881,56 @@ const serializeAws_json1_1StartFleetRequest = (
   input: StartFleetRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1StartImageBuilderRequest = (
   input: StartImageBuilderRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AppstreamAgentVersion !== undefined) {
-    bodyParams["AppstreamAgentVersion"] = input.AppstreamAgentVersion;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.AppstreamAgentVersion !== undefined && {
+      AppstreamAgentVersion: input.AppstreamAgentVersion
+    }),
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1StopFleetRequest = (
   input: StopFleetRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1StopImageBuilderRequest = (
   input: StopImageBuilderRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1StorageConnector = (
   input: StorageConnector,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ConnectorType !== undefined) {
-    bodyParams["ConnectorType"] = input.ConnectorType;
-  }
-  if (input.Domains !== undefined) {
-    bodyParams["Domains"] = serializeAws_json1_1DomainList(
-      input.Domains,
-      context
-    );
-  }
-  if (input.ResourceIdentifier !== undefined) {
-    bodyParams["ResourceIdentifier"] = input.ResourceIdentifier;
-  }
-  return bodyParams;
+  return {
+    ...(input.ConnectorType !== undefined && {
+      ConnectorType: input.ConnectorType
+    }),
+    ...(input.Domains !== undefined && {
+      Domains: serializeAws_json1_1DomainList(input.Domains, context)
+    }),
+    ...(input.ResourceIdentifier !== undefined && {
+      ResourceIdentifier: input.ResourceIdentifier
+    })
+  };
 };
 
 const serializeAws_json1_1StorageConnectorList = (
@@ -6146,14 +5967,12 @@ const serializeAws_json1_1TagResourceRequest = (
   input: TagResourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceArn !== undefined) {
-    bodyParams["ResourceArn"] = input.ResourceArn;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1Tags(input.Tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceArn !== undefined && { ResourceArn: input.ResourceArn }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1Tags(input.Tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1Tags = (
@@ -6170,210 +5989,168 @@ const serializeAws_json1_1UntagResourceRequest = (
   input: UntagResourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceArn !== undefined) {
-    bodyParams["ResourceArn"] = input.ResourceArn;
-  }
-  if (input.TagKeys !== undefined) {
-    bodyParams["TagKeys"] = serializeAws_json1_1TagKeyList(
-      input.TagKeys,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceArn !== undefined && { ResourceArn: input.ResourceArn }),
+    ...(input.TagKeys !== undefined && {
+      TagKeys: serializeAws_json1_1TagKeyList(input.TagKeys, context)
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateDirectoryConfigRequest = (
   input: UpdateDirectoryConfigRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DirectoryName !== undefined) {
-    bodyParams["DirectoryName"] = input.DirectoryName;
-  }
-  if (input.OrganizationalUnitDistinguishedNames !== undefined) {
-    bodyParams[
-      "OrganizationalUnitDistinguishedNames"
-    ] = serializeAws_json1_1OrganizationalUnitDistinguishedNamesList(
-      input.OrganizationalUnitDistinguishedNames,
-      context
-    );
-  }
-  if (input.ServiceAccountCredentials !== undefined) {
-    bodyParams[
-      "ServiceAccountCredentials"
-    ] = serializeAws_json1_1ServiceAccountCredentials(
-      input.ServiceAccountCredentials,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.DirectoryName !== undefined && {
+      DirectoryName: input.DirectoryName
+    }),
+    ...(input.OrganizationalUnitDistinguishedNames !== undefined && {
+      OrganizationalUnitDistinguishedNames: serializeAws_json1_1OrganizationalUnitDistinguishedNamesList(
+        input.OrganizationalUnitDistinguishedNames,
+        context
+      )
+    }),
+    ...(input.ServiceAccountCredentials !== undefined && {
+      ServiceAccountCredentials: serializeAws_json1_1ServiceAccountCredentials(
+        input.ServiceAccountCredentials,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateFleetRequest = (
   input: UpdateFleetRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AttributesToDelete !== undefined) {
-    bodyParams["AttributesToDelete"] = serializeAws_json1_1FleetAttributes(
-      input.AttributesToDelete,
-      context
-    );
-  }
-  if (input.ComputeCapacity !== undefined) {
-    bodyParams["ComputeCapacity"] = serializeAws_json1_1ComputeCapacity(
-      input.ComputeCapacity,
-      context
-    );
-  }
-  if (input.DeleteVpcConfig !== undefined) {
-    bodyParams["DeleteVpcConfig"] = input.DeleteVpcConfig;
-  }
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.DisconnectTimeoutInSeconds !== undefined) {
-    bodyParams["DisconnectTimeoutInSeconds"] = input.DisconnectTimeoutInSeconds;
-  }
-  if (input.DisplayName !== undefined) {
-    bodyParams["DisplayName"] = input.DisplayName;
-  }
-  if (input.DomainJoinInfo !== undefined) {
-    bodyParams["DomainJoinInfo"] = serializeAws_json1_1DomainJoinInfo(
-      input.DomainJoinInfo,
-      context
-    );
-  }
-  if (input.EnableDefaultInternetAccess !== undefined) {
-    bodyParams["EnableDefaultInternetAccess"] =
-      input.EnableDefaultInternetAccess;
-  }
-  if (input.IamRoleArn !== undefined) {
-    bodyParams["IamRoleArn"] = input.IamRoleArn;
-  }
-  if (input.IdleDisconnectTimeoutInSeconds !== undefined) {
-    bodyParams["IdleDisconnectTimeoutInSeconds"] =
-      input.IdleDisconnectTimeoutInSeconds;
-  }
-  if (input.ImageArn !== undefined) {
-    bodyParams["ImageArn"] = input.ImageArn;
-  }
-  if (input.ImageName !== undefined) {
-    bodyParams["ImageName"] = input.ImageName;
-  }
-  if (input.InstanceType !== undefined) {
-    bodyParams["InstanceType"] = input.InstanceType;
-  }
-  if (input.MaxUserDurationInSeconds !== undefined) {
-    bodyParams["MaxUserDurationInSeconds"] = input.MaxUserDurationInSeconds;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.VpcConfig !== undefined) {
-    bodyParams["VpcConfig"] = serializeAws_json1_1VpcConfig(
-      input.VpcConfig,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.AttributesToDelete !== undefined && {
+      AttributesToDelete: serializeAws_json1_1FleetAttributes(
+        input.AttributesToDelete,
+        context
+      )
+    }),
+    ...(input.ComputeCapacity !== undefined && {
+      ComputeCapacity: serializeAws_json1_1ComputeCapacity(
+        input.ComputeCapacity,
+        context
+      )
+    }),
+    ...(input.DeleteVpcConfig !== undefined && {
+      DeleteVpcConfig: input.DeleteVpcConfig
+    }),
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.DisconnectTimeoutInSeconds !== undefined && {
+      DisconnectTimeoutInSeconds: input.DisconnectTimeoutInSeconds
+    }),
+    ...(input.DisplayName !== undefined && { DisplayName: input.DisplayName }),
+    ...(input.DomainJoinInfo !== undefined && {
+      DomainJoinInfo: serializeAws_json1_1DomainJoinInfo(
+        input.DomainJoinInfo,
+        context
+      )
+    }),
+    ...(input.EnableDefaultInternetAccess !== undefined && {
+      EnableDefaultInternetAccess: input.EnableDefaultInternetAccess
+    }),
+    ...(input.IamRoleArn !== undefined && { IamRoleArn: input.IamRoleArn }),
+    ...(input.IdleDisconnectTimeoutInSeconds !== undefined && {
+      IdleDisconnectTimeoutInSeconds: input.IdleDisconnectTimeoutInSeconds
+    }),
+    ...(input.ImageArn !== undefined && { ImageArn: input.ImageArn }),
+    ...(input.ImageName !== undefined && { ImageName: input.ImageName }),
+    ...(input.InstanceType !== undefined && {
+      InstanceType: input.InstanceType
+    }),
+    ...(input.MaxUserDurationInSeconds !== undefined && {
+      MaxUserDurationInSeconds: input.MaxUserDurationInSeconds
+    }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.VpcConfig !== undefined && {
+      VpcConfig: serializeAws_json1_1VpcConfig(input.VpcConfig, context)
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateImagePermissionsRequest = (
   input: UpdateImagePermissionsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ImagePermissions !== undefined) {
-    bodyParams["ImagePermissions"] = serializeAws_json1_1ImagePermissions(
-      input.ImagePermissions,
-      context
-    );
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.SharedAccountId !== undefined) {
-    bodyParams["SharedAccountId"] = input.SharedAccountId;
-  }
-  return bodyParams;
+  return {
+    ...(input.ImagePermissions !== undefined && {
+      ImagePermissions: serializeAws_json1_1ImagePermissions(
+        input.ImagePermissions,
+        context
+      )
+    }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.SharedAccountId !== undefined && {
+      SharedAccountId: input.SharedAccountId
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateStackRequest = (
   input: UpdateStackRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AccessEndpoints !== undefined) {
-    bodyParams["AccessEndpoints"] = serializeAws_json1_1AccessEndpointList(
-      input.AccessEndpoints,
-      context
-    );
-  }
-  if (input.ApplicationSettings !== undefined) {
-    bodyParams["ApplicationSettings"] = serializeAws_json1_1ApplicationSettings(
-      input.ApplicationSettings,
-      context
-    );
-  }
-  if (input.AttributesToDelete !== undefined) {
-    bodyParams["AttributesToDelete"] = serializeAws_json1_1StackAttributes(
-      input.AttributesToDelete,
-      context
-    );
-  }
-  if (input.DeleteStorageConnectors !== undefined) {
-    bodyParams["DeleteStorageConnectors"] = input.DeleteStorageConnectors;
-  }
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.DisplayName !== undefined) {
-    bodyParams["DisplayName"] = input.DisplayName;
-  }
-  if (input.EmbedHostDomains !== undefined) {
-    bodyParams["EmbedHostDomains"] = serializeAws_json1_1EmbedHostDomains(
-      input.EmbedHostDomains,
-      context
-    );
-  }
-  if (input.FeedbackURL !== undefined) {
-    bodyParams["FeedbackURL"] = input.FeedbackURL;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.RedirectURL !== undefined) {
-    bodyParams["RedirectURL"] = input.RedirectURL;
-  }
-  if (input.StorageConnectors !== undefined) {
-    bodyParams["StorageConnectors"] = serializeAws_json1_1StorageConnectorList(
-      input.StorageConnectors,
-      context
-    );
-  }
-  if (input.UserSettings !== undefined) {
-    bodyParams["UserSettings"] = serializeAws_json1_1UserSettingList(
-      input.UserSettings,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.AccessEndpoints !== undefined && {
+      AccessEndpoints: serializeAws_json1_1AccessEndpointList(
+        input.AccessEndpoints,
+        context
+      )
+    }),
+    ...(input.ApplicationSettings !== undefined && {
+      ApplicationSettings: serializeAws_json1_1ApplicationSettings(
+        input.ApplicationSettings,
+        context
+      )
+    }),
+    ...(input.AttributesToDelete !== undefined && {
+      AttributesToDelete: serializeAws_json1_1StackAttributes(
+        input.AttributesToDelete,
+        context
+      )
+    }),
+    ...(input.DeleteStorageConnectors !== undefined && {
+      DeleteStorageConnectors: input.DeleteStorageConnectors
+    }),
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.DisplayName !== undefined && { DisplayName: input.DisplayName }),
+    ...(input.EmbedHostDomains !== undefined && {
+      EmbedHostDomains: serializeAws_json1_1EmbedHostDomains(
+        input.EmbedHostDomains,
+        context
+      )
+    }),
+    ...(input.FeedbackURL !== undefined && { FeedbackURL: input.FeedbackURL }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.RedirectURL !== undefined && { RedirectURL: input.RedirectURL }),
+    ...(input.StorageConnectors !== undefined && {
+      StorageConnectors: serializeAws_json1_1StorageConnectorList(
+        input.StorageConnectors,
+        context
+      )
+    }),
+    ...(input.UserSettings !== undefined && {
+      UserSettings: serializeAws_json1_1UserSettingList(
+        input.UserSettings,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1UserSetting = (
   input: UserSetting,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Action !== undefined) {
-    bodyParams["Action"] = input.Action;
-  }
-  if (input.Permission !== undefined) {
-    bodyParams["Permission"] = input.Permission;
-  }
-  return bodyParams;
+  return {
+    ...(input.Action !== undefined && { Action: input.Action }),
+    ...(input.Permission !== undefined && { Permission: input.Permission })
+  };
 };
 
 const serializeAws_json1_1UserSettingList = (
@@ -6387,20 +6164,16 @@ const serializeAws_json1_1UserStackAssociation = (
   input: UserStackAssociation,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AuthenticationType !== undefined) {
-    bodyParams["AuthenticationType"] = input.AuthenticationType;
-  }
-  if (input.SendEmailNotification !== undefined) {
-    bodyParams["SendEmailNotification"] = input.SendEmailNotification;
-  }
-  if (input.StackName !== undefined) {
-    bodyParams["StackName"] = input.StackName;
-  }
-  if (input.UserName !== undefined) {
-    bodyParams["UserName"] = input.UserName;
-  }
-  return bodyParams;
+  return {
+    ...(input.AuthenticationType !== undefined && {
+      AuthenticationType: input.AuthenticationType
+    }),
+    ...(input.SendEmailNotification !== undefined && {
+      SendEmailNotification: input.SendEmailNotification
+    }),
+    ...(input.StackName !== undefined && { StackName: input.StackName }),
+    ...(input.UserName !== undefined && { UserName: input.UserName })
+  };
 };
 
 const serializeAws_json1_1UserStackAssociationList = (
@@ -6416,20 +6189,17 @@ const serializeAws_json1_1VpcConfig = (
   input: VpcConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.SecurityGroupIds !== undefined) {
-    bodyParams["SecurityGroupIds"] = serializeAws_json1_1SecurityGroupIdList(
-      input.SecurityGroupIds,
-      context
-    );
-  }
-  if (input.SubnetIds !== undefined) {
-    bodyParams["SubnetIds"] = serializeAws_json1_1SubnetIdList(
-      input.SubnetIds,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.SecurityGroupIds !== undefined && {
+      SecurityGroupIds: serializeAws_json1_1SecurityGroupIdList(
+        input.SecurityGroupIds,
+        context
+      )
+    }),
+    ...(input.SubnetIds !== undefined && {
+      SubnetIds: serializeAws_json1_1SubnetIdList(input.SubnetIds, context)
+    })
+  };
 };
 
 const deserializeAws_json1_1AccessEndpoint = (
diff --git a/clients/client-appsync/protocols/Aws_restJson1_1.ts b/clients/client-appsync/protocols/Aws_restJson1_1.ts
index bf67263f8e88..7eabb44d1934 100644
--- a/clients/client-appsync/protocols/Aws_restJson1_1.ts
+++ b/clients/client-appsync/protocols/Aws_restJson1_1.ts
@@ -6624,27 +6624,23 @@ const serializeAws_restJson1_1AdditionalAuthenticationProvider = (
   input: AdditionalAuthenticationProvider,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.authenticationType !== undefined) {
-    bodyParams["authenticationType"] = input.authenticationType;
-  }
-  if (input.openIDConnectConfig !== undefined) {
-    bodyParams[
-      "openIDConnectConfig"
-    ] = serializeAws_restJson1_1OpenIDConnectConfig(
-      input.openIDConnectConfig,
-      context
-    );
-  }
-  if (input.userPoolConfig !== undefined) {
-    bodyParams[
-      "userPoolConfig"
-    ] = serializeAws_restJson1_1CognitoUserPoolConfig(
-      input.userPoolConfig,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.authenticationType !== undefined && {
+      authenticationType: input.authenticationType
+    }),
+    ...(input.openIDConnectConfig !== undefined && {
+      openIDConnectConfig: serializeAws_restJson1_1OpenIDConnectConfig(
+        input.openIDConnectConfig,
+        context
+      )
+    }),
+    ...(input.userPoolConfig !== undefined && {
+      userPoolConfig: serializeAws_restJson1_1CognitoUserPoolConfig(
+        input.userPoolConfig,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1AdditionalAuthenticationProviders = (
@@ -6660,48 +6656,46 @@ const serializeAws_restJson1_1AuthorizationConfig = (
   input: AuthorizationConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.authorizationType !== undefined) {
-    bodyParams["authorizationType"] = input.authorizationType;
-  }
-  if (input.awsIamConfig !== undefined) {
-    bodyParams["awsIamConfig"] = serializeAws_restJson1_1AwsIamConfig(
-      input.awsIamConfig,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.authorizationType !== undefined && {
+      authorizationType: input.authorizationType
+    }),
+    ...(input.awsIamConfig !== undefined && {
+      awsIamConfig: serializeAws_restJson1_1AwsIamConfig(
+        input.awsIamConfig,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1AwsIamConfig = (
   input: AwsIamConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.signingRegion !== undefined) {
-    bodyParams["signingRegion"] = input.signingRegion;
-  }
-  if (input.signingServiceName !== undefined) {
-    bodyParams["signingServiceName"] = input.signingServiceName;
-  }
-  return bodyParams;
+  return {
+    ...(input.signingRegion !== undefined && {
+      signingRegion: input.signingRegion
+    }),
+    ...(input.signingServiceName !== undefined && {
+      signingServiceName: input.signingServiceName
+    })
+  };
 };
 
 const serializeAws_restJson1_1CachingConfig = (
   input: CachingConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.cachingKeys !== undefined) {
-    bodyParams["cachingKeys"] = serializeAws_restJson1_1CachingKeys(
-      input.cachingKeys,
-      context
-    );
-  }
-  if (input.ttl !== undefined) {
-    bodyParams["ttl"] = input.ttl;
-  }
-  return bodyParams;
+  return {
+    ...(input.cachingKeys !== undefined && {
+      cachingKeys: serializeAws_restJson1_1CachingKeys(
+        input.cachingKeys,
+        context
+      )
+    }),
+    ...(input.ttl !== undefined && { ttl: input.ttl })
+  };
 };
 
 const serializeAws_restJson1_1CachingKeys = (
@@ -6715,74 +6709,60 @@ const serializeAws_restJson1_1CognitoUserPoolConfig = (
   input: CognitoUserPoolConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.appIdClientRegex !== undefined) {
-    bodyParams["appIdClientRegex"] = input.appIdClientRegex;
-  }
-  if (input.awsRegion !== undefined) {
-    bodyParams["awsRegion"] = input.awsRegion;
-  }
-  if (input.userPoolId !== undefined) {
-    bodyParams["userPoolId"] = input.userPoolId;
-  }
-  return bodyParams;
+  return {
+    ...(input.appIdClientRegex !== undefined && {
+      appIdClientRegex: input.appIdClientRegex
+    }),
+    ...(input.awsRegion !== undefined && { awsRegion: input.awsRegion }),
+    ...(input.userPoolId !== undefined && { userPoolId: input.userPoolId })
+  };
 };
 
 const serializeAws_restJson1_1DeltaSyncConfig = (
   input: DeltaSyncConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.baseTableTTL !== undefined) {
-    bodyParams["baseTableTTL"] = input.baseTableTTL;
-  }
-  if (input.deltaSyncTableName !== undefined) {
-    bodyParams["deltaSyncTableName"] = input.deltaSyncTableName;
-  }
-  if (input.deltaSyncTableTTL !== undefined) {
-    bodyParams["deltaSyncTableTTL"] = input.deltaSyncTableTTL;
-  }
-  return bodyParams;
+  return {
+    ...(input.baseTableTTL !== undefined && {
+      baseTableTTL: input.baseTableTTL
+    }),
+    ...(input.deltaSyncTableName !== undefined && {
+      deltaSyncTableName: input.deltaSyncTableName
+    }),
+    ...(input.deltaSyncTableTTL !== undefined && {
+      deltaSyncTableTTL: input.deltaSyncTableTTL
+    })
+  };
 };
 
 const serializeAws_restJson1_1DynamodbDataSourceConfig = (
   input: DynamodbDataSourceConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.awsRegion !== undefined) {
-    bodyParams["awsRegion"] = input.awsRegion;
-  }
-  if (input.deltaSyncConfig !== undefined) {
-    bodyParams["deltaSyncConfig"] = serializeAws_restJson1_1DeltaSyncConfig(
-      input.deltaSyncConfig,
-      context
-    );
-  }
-  if (input.tableName !== undefined) {
-    bodyParams["tableName"] = input.tableName;
-  }
-  if (input.useCallerCredentials !== undefined) {
-    bodyParams["useCallerCredentials"] = input.useCallerCredentials;
-  }
-  if (input.versioned !== undefined) {
-    bodyParams["versioned"] = input.versioned;
-  }
-  return bodyParams;
+  return {
+    ...(input.awsRegion !== undefined && { awsRegion: input.awsRegion }),
+    ...(input.deltaSyncConfig !== undefined && {
+      deltaSyncConfig: serializeAws_restJson1_1DeltaSyncConfig(
+        input.deltaSyncConfig,
+        context
+      )
+    }),
+    ...(input.tableName !== undefined && { tableName: input.tableName }),
+    ...(input.useCallerCredentials !== undefined && {
+      useCallerCredentials: input.useCallerCredentials
+    }),
+    ...(input.versioned !== undefined && { versioned: input.versioned })
+  };
 };
 
 const serializeAws_restJson1_1ElasticsearchDataSourceConfig = (
   input: ElasticsearchDataSourceConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.awsRegion !== undefined) {
-    bodyParams["awsRegion"] = input.awsRegion;
-  }
-  if (input.endpoint !== undefined) {
-    bodyParams["endpoint"] = input.endpoint;
-  }
-  return bodyParams;
+  return {
+    ...(input.awsRegion !== undefined && { awsRegion: input.awsRegion }),
+    ...(input.endpoint !== undefined && { endpoint: input.endpoint })
+  };
 };
 
 const serializeAws_restJson1_1FunctionsIds = (
@@ -6796,157 +6776,133 @@ const serializeAws_restJson1_1HttpDataSourceConfig = (
   input: HttpDataSourceConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.authorizationConfig !== undefined) {
-    bodyParams[
-      "authorizationConfig"
-    ] = serializeAws_restJson1_1AuthorizationConfig(
-      input.authorizationConfig,
-      context
-    );
-  }
-  if (input.endpoint !== undefined) {
-    bodyParams["endpoint"] = input.endpoint;
-  }
-  return bodyParams;
+  return {
+    ...(input.authorizationConfig !== undefined && {
+      authorizationConfig: serializeAws_restJson1_1AuthorizationConfig(
+        input.authorizationConfig,
+        context
+      )
+    }),
+    ...(input.endpoint !== undefined && { endpoint: input.endpoint })
+  };
 };
 
 const serializeAws_restJson1_1LambdaConflictHandlerConfig = (
   input: LambdaConflictHandlerConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.lambdaConflictHandlerArn !== undefined) {
-    bodyParams["lambdaConflictHandlerArn"] = input.lambdaConflictHandlerArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.lambdaConflictHandlerArn !== undefined && {
+      lambdaConflictHandlerArn: input.lambdaConflictHandlerArn
+    })
+  };
 };
 
 const serializeAws_restJson1_1LambdaDataSourceConfig = (
   input: LambdaDataSourceConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.lambdaFunctionArn !== undefined) {
-    bodyParams["lambdaFunctionArn"] = input.lambdaFunctionArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.lambdaFunctionArn !== undefined && {
+      lambdaFunctionArn: input.lambdaFunctionArn
+    })
+  };
 };
 
 const serializeAws_restJson1_1LogConfig = (
   input: LogConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.cloudWatchLogsRoleArn !== undefined) {
-    bodyParams["cloudWatchLogsRoleArn"] = input.cloudWatchLogsRoleArn;
-  }
-  if (input.excludeVerboseContent !== undefined) {
-    bodyParams["excludeVerboseContent"] = input.excludeVerboseContent;
-  }
-  if (input.fieldLogLevel !== undefined) {
-    bodyParams["fieldLogLevel"] = input.fieldLogLevel;
-  }
-  return bodyParams;
+  return {
+    ...(input.cloudWatchLogsRoleArn !== undefined && {
+      cloudWatchLogsRoleArn: input.cloudWatchLogsRoleArn
+    }),
+    ...(input.excludeVerboseContent !== undefined && {
+      excludeVerboseContent: input.excludeVerboseContent
+    }),
+    ...(input.fieldLogLevel !== undefined && {
+      fieldLogLevel: input.fieldLogLevel
+    })
+  };
 };
 
 const serializeAws_restJson1_1OpenIDConnectConfig = (
   input: OpenIDConnectConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.authTTL !== undefined) {
-    bodyParams["authTTL"] = input.authTTL;
-  }
-  if (input.clientId !== undefined) {
-    bodyParams["clientId"] = input.clientId;
-  }
-  if (input.iatTTL !== undefined) {
-    bodyParams["iatTTL"] = input.iatTTL;
-  }
-  if (input.issuer !== undefined) {
-    bodyParams["issuer"] = input.issuer;
-  }
-  return bodyParams;
+  return {
+    ...(input.authTTL !== undefined && { authTTL: input.authTTL }),
+    ...(input.clientId !== undefined && { clientId: input.clientId }),
+    ...(input.iatTTL !== undefined && { iatTTL: input.iatTTL }),
+    ...(input.issuer !== undefined && { issuer: input.issuer })
+  };
 };
 
 const serializeAws_restJson1_1PipelineConfig = (
   input: PipelineConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.functions !== undefined) {
-    bodyParams["functions"] = serializeAws_restJson1_1FunctionsIds(
-      input.functions,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.functions !== undefined && {
+      functions: serializeAws_restJson1_1FunctionsIds(input.functions, context)
+    })
+  };
 };
 
 const serializeAws_restJson1_1RdsHttpEndpointConfig = (
   input: RdsHttpEndpointConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.awsRegion !== undefined) {
-    bodyParams["awsRegion"] = input.awsRegion;
-  }
-  if (input.awsSecretStoreArn !== undefined) {
-    bodyParams["awsSecretStoreArn"] = input.awsSecretStoreArn;
-  }
-  if (input.databaseName !== undefined) {
-    bodyParams["databaseName"] = input.databaseName;
-  }
-  if (input.dbClusterIdentifier !== undefined) {
-    bodyParams["dbClusterIdentifier"] = input.dbClusterIdentifier;
-  }
-  if (input.schema !== undefined) {
-    bodyParams["schema"] = input.schema;
-  }
-  return bodyParams;
+  return {
+    ...(input.awsRegion !== undefined && { awsRegion: input.awsRegion }),
+    ...(input.awsSecretStoreArn !== undefined && {
+      awsSecretStoreArn: input.awsSecretStoreArn
+    }),
+    ...(input.databaseName !== undefined && {
+      databaseName: input.databaseName
+    }),
+    ...(input.dbClusterIdentifier !== undefined && {
+      dbClusterIdentifier: input.dbClusterIdentifier
+    }),
+    ...(input.schema !== undefined && { schema: input.schema })
+  };
 };
 
 const serializeAws_restJson1_1RelationalDatabaseDataSourceConfig = (
   input: RelationalDatabaseDataSourceConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.rdsHttpEndpointConfig !== undefined) {
-    bodyParams[
-      "rdsHttpEndpointConfig"
-    ] = serializeAws_restJson1_1RdsHttpEndpointConfig(
-      input.rdsHttpEndpointConfig,
-      context
-    );
-  }
-  if (input.relationalDatabaseSourceType !== undefined) {
-    bodyParams["relationalDatabaseSourceType"] =
-      input.relationalDatabaseSourceType;
-  }
-  return bodyParams;
+  return {
+    ...(input.rdsHttpEndpointConfig !== undefined && {
+      rdsHttpEndpointConfig: serializeAws_restJson1_1RdsHttpEndpointConfig(
+        input.rdsHttpEndpointConfig,
+        context
+      )
+    }),
+    ...(input.relationalDatabaseSourceType !== undefined && {
+      relationalDatabaseSourceType: input.relationalDatabaseSourceType
+    })
+  };
 };
 
 const serializeAws_restJson1_1SyncConfig = (
   input: SyncConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.conflictDetection !== undefined) {
-    bodyParams["conflictDetection"] = input.conflictDetection;
-  }
-  if (input.conflictHandler !== undefined) {
-    bodyParams["conflictHandler"] = input.conflictHandler;
-  }
-  if (input.lambdaConflictHandlerConfig !== undefined) {
-    bodyParams[
-      "lambdaConflictHandlerConfig"
-    ] = serializeAws_restJson1_1LambdaConflictHandlerConfig(
-      input.lambdaConflictHandlerConfig,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.conflictDetection !== undefined && {
+      conflictDetection: input.conflictDetection
+    }),
+    ...(input.conflictHandler !== undefined && {
+      conflictHandler: input.conflictHandler
+    }),
+    ...(input.lambdaConflictHandlerConfig !== undefined && {
+      lambdaConflictHandlerConfig: serializeAws_restJson1_1LambdaConflictHandlerConfig(
+        input.lambdaConflictHandlerConfig,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1TagMap = (
@@ -6963,20 +6919,16 @@ const serializeAws_restJson1_1UserPoolConfig = (
   input: UserPoolConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.appIdClientRegex !== undefined) {
-    bodyParams["appIdClientRegex"] = input.appIdClientRegex;
-  }
-  if (input.awsRegion !== undefined) {
-    bodyParams["awsRegion"] = input.awsRegion;
-  }
-  if (input.defaultAction !== undefined) {
-    bodyParams["defaultAction"] = input.defaultAction;
-  }
-  if (input.userPoolId !== undefined) {
-    bodyParams["userPoolId"] = input.userPoolId;
-  }
-  return bodyParams;
+  return {
+    ...(input.appIdClientRegex !== undefined && {
+      appIdClientRegex: input.appIdClientRegex
+    }),
+    ...(input.awsRegion !== undefined && { awsRegion: input.awsRegion }),
+    ...(input.defaultAction !== undefined && {
+      defaultAction: input.defaultAction
+    }),
+    ...(input.userPoolId !== undefined && { userPoolId: input.userPoolId })
+  };
 };
 
 const deserializeAws_restJson1_1AdditionalAuthenticationProvider = (
diff --git a/clients/client-athena/protocols/Aws_json1_1.ts b/clients/client-athena/protocols/Aws_json1_1.ts
index f818e61b5ae5..3483fe945c63 100644
--- a/clients/client-athena/protocols/Aws_json1_1.ts
+++ b/clients/client-athena/protocols/Aws_json1_1.ts
@@ -1916,237 +1916,181 @@ const serializeAws_json1_1BatchGetNamedQueryInput = (
   input: BatchGetNamedQueryInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.NamedQueryIds !== undefined) {
-    bodyParams["NamedQueryIds"] = serializeAws_json1_1NamedQueryIdList(
-      input.NamedQueryIds,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.NamedQueryIds !== undefined && {
+      NamedQueryIds: serializeAws_json1_1NamedQueryIdList(
+        input.NamedQueryIds,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1BatchGetQueryExecutionInput = (
   input: BatchGetQueryExecutionInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.QueryExecutionIds !== undefined) {
-    bodyParams["QueryExecutionIds"] = serializeAws_json1_1QueryExecutionIdList(
-      input.QueryExecutionIds,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.QueryExecutionIds !== undefined && {
+      QueryExecutionIds: serializeAws_json1_1QueryExecutionIdList(
+        input.QueryExecutionIds,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1CreateNamedQueryInput = (
   input: CreateNamedQueryInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ClientRequestToken === undefined) {
-    input.ClientRequestToken = generateIdempotencyToken();
-  }
-  if (input.ClientRequestToken !== undefined) {
-    bodyParams["ClientRequestToken"] = input.ClientRequestToken;
-  }
-  if (input.Database !== undefined) {
-    bodyParams["Database"] = input.Database;
-  }
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.QueryString !== undefined) {
-    bodyParams["QueryString"] = input.QueryString;
-  }
-  if (input.WorkGroup !== undefined) {
-    bodyParams["WorkGroup"] = input.WorkGroup;
-  }
-  return bodyParams;
+  return {
+    ClientRequestToken: input.ClientRequestToken ?? generateIdempotencyToken(),
+    ...(input.Database !== undefined && { Database: input.Database }),
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.QueryString !== undefined && { QueryString: input.QueryString }),
+    ...(input.WorkGroup !== undefined && { WorkGroup: input.WorkGroup })
+  };
 };
 
 const serializeAws_json1_1CreateWorkGroupInput = (
   input: CreateWorkGroupInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Configuration !== undefined) {
-    bodyParams["Configuration"] = serializeAws_json1_1WorkGroupConfiguration(
-      input.Configuration,
-      context
-    );
-  }
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagList(input.Tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.Configuration !== undefined && {
+      Configuration: serializeAws_json1_1WorkGroupConfiguration(
+        input.Configuration,
+        context
+      )
+    }),
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagList(input.Tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteNamedQueryInput = (
   input: DeleteNamedQueryInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.NamedQueryId === undefined) {
-    input.NamedQueryId = generateIdempotencyToken();
-  }
-  if (input.NamedQueryId !== undefined) {
-    bodyParams["NamedQueryId"] = input.NamedQueryId;
-  }
-  return bodyParams;
+  return {
+    NamedQueryId: input.NamedQueryId ?? generateIdempotencyToken()
+  };
 };
 
 const serializeAws_json1_1DeleteWorkGroupInput = (
   input: DeleteWorkGroupInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.RecursiveDeleteOption !== undefined) {
-    bodyParams["RecursiveDeleteOption"] = input.RecursiveDeleteOption;
-  }
-  if (input.WorkGroup !== undefined) {
-    bodyParams["WorkGroup"] = input.WorkGroup;
-  }
-  return bodyParams;
+  return {
+    ...(input.RecursiveDeleteOption !== undefined && {
+      RecursiveDeleteOption: input.RecursiveDeleteOption
+    }),
+    ...(input.WorkGroup !== undefined && { WorkGroup: input.WorkGroup })
+  };
 };
 
 const serializeAws_json1_1EncryptionConfiguration = (
   input: EncryptionConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EncryptionOption !== undefined) {
-    bodyParams["EncryptionOption"] = input.EncryptionOption;
-  }
-  if (input.KmsKey !== undefined) {
-    bodyParams["KmsKey"] = input.KmsKey;
-  }
-  return bodyParams;
+  return {
+    ...(input.EncryptionOption !== undefined && {
+      EncryptionOption: input.EncryptionOption
+    }),
+    ...(input.KmsKey !== undefined && { KmsKey: input.KmsKey })
+  };
 };
 
 const serializeAws_json1_1GetNamedQueryInput = (
   input: GetNamedQueryInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.NamedQueryId !== undefined) {
-    bodyParams["NamedQueryId"] = input.NamedQueryId;
-  }
-  return bodyParams;
+  return {
+    ...(input.NamedQueryId !== undefined && {
+      NamedQueryId: input.NamedQueryId
+    })
+  };
 };
 
 const serializeAws_json1_1GetQueryExecutionInput = (
   input: GetQueryExecutionInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.QueryExecutionId !== undefined) {
-    bodyParams["QueryExecutionId"] = input.QueryExecutionId;
-  }
-  return bodyParams;
+  return {
+    ...(input.QueryExecutionId !== undefined && {
+      QueryExecutionId: input.QueryExecutionId
+    })
+  };
 };
 
 const serializeAws_json1_1GetQueryResultsInput = (
   input: GetQueryResultsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.QueryExecutionId !== undefined) {
-    bodyParams["QueryExecutionId"] = input.QueryExecutionId;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.QueryExecutionId !== undefined && {
+      QueryExecutionId: input.QueryExecutionId
+    })
+  };
 };
 
 const serializeAws_json1_1GetWorkGroupInput = (
   input: GetWorkGroupInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.WorkGroup !== undefined) {
-    bodyParams["WorkGroup"] = input.WorkGroup;
-  }
-  return bodyParams;
+  return {
+    ...(input.WorkGroup !== undefined && { WorkGroup: input.WorkGroup })
+  };
 };
 
 const serializeAws_json1_1ListNamedQueriesInput = (
   input: ListNamedQueriesInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.WorkGroup !== undefined) {
-    bodyParams["WorkGroup"] = input.WorkGroup;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.WorkGroup !== undefined && { WorkGroup: input.WorkGroup })
+  };
 };
 
 const serializeAws_json1_1ListQueryExecutionsInput = (
   input: ListQueryExecutionsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.WorkGroup !== undefined) {
-    bodyParams["WorkGroup"] = input.WorkGroup;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.WorkGroup !== undefined && { WorkGroup: input.WorkGroup })
+  };
 };
 
 const serializeAws_json1_1ListTagsForResourceInput = (
   input: ListTagsForResourceInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.ResourceARN !== undefined) {
-    bodyParams["ResourceARN"] = input.ResourceARN;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.ResourceARN !== undefined && { ResourceARN: input.ResourceARN })
+  };
 };
 
 const serializeAws_json1_1ListWorkGroupsInput = (
   input: ListWorkGroupsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1NamedQueryIdList = (
@@ -2160,11 +2104,9 @@ const serializeAws_json1_1QueryExecutionContext = (
   input: QueryExecutionContext,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Database !== undefined) {
-    bodyParams["Database"] = input.Database;
-  }
-  return bodyParams;
+  return {
+    ...(input.Database !== undefined && { Database: input.Database })
+  };
 };
 
 const serializeAws_json1_1QueryExecutionIdList = (
@@ -2178,104 +2120,79 @@ const serializeAws_json1_1ResultConfiguration = (
   input: ResultConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EncryptionConfiguration !== undefined) {
-    bodyParams[
-      "EncryptionConfiguration"
-    ] = serializeAws_json1_1EncryptionConfiguration(
-      input.EncryptionConfiguration,
-      context
-    );
-  }
-  if (input.OutputLocation !== undefined) {
-    bodyParams["OutputLocation"] = input.OutputLocation;
-  }
-  return bodyParams;
+  return {
+    ...(input.EncryptionConfiguration !== undefined && {
+      EncryptionConfiguration: serializeAws_json1_1EncryptionConfiguration(
+        input.EncryptionConfiguration,
+        context
+      )
+    }),
+    ...(input.OutputLocation !== undefined && {
+      OutputLocation: input.OutputLocation
+    })
+  };
 };
 
 const serializeAws_json1_1ResultConfigurationUpdates = (
   input: ResultConfigurationUpdates,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EncryptionConfiguration !== undefined) {
-    bodyParams[
-      "EncryptionConfiguration"
-    ] = serializeAws_json1_1EncryptionConfiguration(
-      input.EncryptionConfiguration,
-      context
-    );
-  }
-  if (input.OutputLocation !== undefined) {
-    bodyParams["OutputLocation"] = input.OutputLocation;
-  }
-  if (input.RemoveEncryptionConfiguration !== undefined) {
-    bodyParams["RemoveEncryptionConfiguration"] =
-      input.RemoveEncryptionConfiguration;
-  }
-  if (input.RemoveOutputLocation !== undefined) {
-    bodyParams["RemoveOutputLocation"] = input.RemoveOutputLocation;
-  }
-  return bodyParams;
+  return {
+    ...(input.EncryptionConfiguration !== undefined && {
+      EncryptionConfiguration: serializeAws_json1_1EncryptionConfiguration(
+        input.EncryptionConfiguration,
+        context
+      )
+    }),
+    ...(input.OutputLocation !== undefined && {
+      OutputLocation: input.OutputLocation
+    }),
+    ...(input.RemoveEncryptionConfiguration !== undefined && {
+      RemoveEncryptionConfiguration: input.RemoveEncryptionConfiguration
+    }),
+    ...(input.RemoveOutputLocation !== undefined && {
+      RemoveOutputLocation: input.RemoveOutputLocation
+    })
+  };
 };
 
 const serializeAws_json1_1StartQueryExecutionInput = (
   input: StartQueryExecutionInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ClientRequestToken === undefined) {
-    input.ClientRequestToken = generateIdempotencyToken();
-  }
-  if (input.ClientRequestToken !== undefined) {
-    bodyParams["ClientRequestToken"] = input.ClientRequestToken;
-  }
-  if (input.QueryExecutionContext !== undefined) {
-    bodyParams[
-      "QueryExecutionContext"
-    ] = serializeAws_json1_1QueryExecutionContext(
-      input.QueryExecutionContext,
-      context
-    );
-  }
-  if (input.QueryString !== undefined) {
-    bodyParams["QueryString"] = input.QueryString;
-  }
-  if (input.ResultConfiguration !== undefined) {
-    bodyParams["ResultConfiguration"] = serializeAws_json1_1ResultConfiguration(
-      input.ResultConfiguration,
-      context
-    );
-  }
-  if (input.WorkGroup !== undefined) {
-    bodyParams["WorkGroup"] = input.WorkGroup;
-  }
-  return bodyParams;
+  return {
+    ClientRequestToken: input.ClientRequestToken ?? generateIdempotencyToken(),
+    ...(input.QueryExecutionContext !== undefined && {
+      QueryExecutionContext: serializeAws_json1_1QueryExecutionContext(
+        input.QueryExecutionContext,
+        context
+      )
+    }),
+    ...(input.QueryString !== undefined && { QueryString: input.QueryString }),
+    ...(input.ResultConfiguration !== undefined && {
+      ResultConfiguration: serializeAws_json1_1ResultConfiguration(
+        input.ResultConfiguration,
+        context
+      )
+    }),
+    ...(input.WorkGroup !== undefined && { WorkGroup: input.WorkGroup })
+  };
 };
 
 const serializeAws_json1_1StopQueryExecutionInput = (
   input: StopQueryExecutionInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.QueryExecutionId === undefined) {
-    input.QueryExecutionId = generateIdempotencyToken();
-  }
-  if (input.QueryExecutionId !== undefined) {
-    bodyParams["QueryExecutionId"] = input.QueryExecutionId;
-  }
-  return bodyParams;
+  return {
+    QueryExecutionId: input.QueryExecutionId ?? generateIdempotencyToken()
+  };
 };
 
 const serializeAws_json1_1Tag = (input: Tag, context: __SerdeContext): any => {
-  const bodyParams: any = {};
-  if (input.Key !== undefined) {
-    bodyParams["Key"] = input.Key;
-  }
-  if (input.Value !== undefined) {
-    bodyParams["Value"] = input.Value;
-  }
-  return bodyParams;
+  return {
+    ...(input.Key !== undefined && { Key: input.Key }),
+    ...(input.Value !== undefined && { Value: input.Value })
+  };
 };
 
 const serializeAws_json1_1TagKeyList = (
@@ -2296,118 +2213,96 @@ const serializeAws_json1_1TagResourceInput = (
   input: TagResourceInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceARN !== undefined) {
-    bodyParams["ResourceARN"] = input.ResourceARN;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagList(input.Tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceARN !== undefined && { ResourceARN: input.ResourceARN }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagList(input.Tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1UntagResourceInput = (
   input: UntagResourceInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceARN !== undefined) {
-    bodyParams["ResourceARN"] = input.ResourceARN;
-  }
-  if (input.TagKeys !== undefined) {
-    bodyParams["TagKeys"] = serializeAws_json1_1TagKeyList(
-      input.TagKeys,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceARN !== undefined && { ResourceARN: input.ResourceARN }),
+    ...(input.TagKeys !== undefined && {
+      TagKeys: serializeAws_json1_1TagKeyList(input.TagKeys, context)
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateWorkGroupInput = (
   input: UpdateWorkGroupInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ConfigurationUpdates !== undefined) {
-    bodyParams[
-      "ConfigurationUpdates"
-    ] = serializeAws_json1_1WorkGroupConfigurationUpdates(
-      input.ConfigurationUpdates,
-      context
-    );
-  }
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.State !== undefined) {
-    bodyParams["State"] = input.State;
-  }
-  if (input.WorkGroup !== undefined) {
-    bodyParams["WorkGroup"] = input.WorkGroup;
-  }
-  return bodyParams;
+  return {
+    ...(input.ConfigurationUpdates !== undefined && {
+      ConfigurationUpdates: serializeAws_json1_1WorkGroupConfigurationUpdates(
+        input.ConfigurationUpdates,
+        context
+      )
+    }),
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.State !== undefined && { State: input.State }),
+    ...(input.WorkGroup !== undefined && { WorkGroup: input.WorkGroup })
+  };
 };
 
 const serializeAws_json1_1WorkGroupConfiguration = (
   input: WorkGroupConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.BytesScannedCutoffPerQuery !== undefined) {
-    bodyParams["BytesScannedCutoffPerQuery"] = input.BytesScannedCutoffPerQuery;
-  }
-  if (input.EnforceWorkGroupConfiguration !== undefined) {
-    bodyParams["EnforceWorkGroupConfiguration"] =
-      input.EnforceWorkGroupConfiguration;
-  }
-  if (input.PublishCloudWatchMetricsEnabled !== undefined) {
-    bodyParams["PublishCloudWatchMetricsEnabled"] =
-      input.PublishCloudWatchMetricsEnabled;
-  }
-  if (input.RequesterPaysEnabled !== undefined) {
-    bodyParams["RequesterPaysEnabled"] = input.RequesterPaysEnabled;
-  }
-  if (input.ResultConfiguration !== undefined) {
-    bodyParams["ResultConfiguration"] = serializeAws_json1_1ResultConfiguration(
-      input.ResultConfiguration,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.BytesScannedCutoffPerQuery !== undefined && {
+      BytesScannedCutoffPerQuery: input.BytesScannedCutoffPerQuery
+    }),
+    ...(input.EnforceWorkGroupConfiguration !== undefined && {
+      EnforceWorkGroupConfiguration: input.EnforceWorkGroupConfiguration
+    }),
+    ...(input.PublishCloudWatchMetricsEnabled !== undefined && {
+      PublishCloudWatchMetricsEnabled: input.PublishCloudWatchMetricsEnabled
+    }),
+    ...(input.RequesterPaysEnabled !== undefined && {
+      RequesterPaysEnabled: input.RequesterPaysEnabled
+    }),
+    ...(input.ResultConfiguration !== undefined && {
+      ResultConfiguration: serializeAws_json1_1ResultConfiguration(
+        input.ResultConfiguration,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1WorkGroupConfigurationUpdates = (
   input: WorkGroupConfigurationUpdates,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.BytesScannedCutoffPerQuery !== undefined) {
-    bodyParams["BytesScannedCutoffPerQuery"] = input.BytesScannedCutoffPerQuery;
-  }
-  if (input.EnforceWorkGroupConfiguration !== undefined) {
-    bodyParams["EnforceWorkGroupConfiguration"] =
-      input.EnforceWorkGroupConfiguration;
-  }
-  if (input.PublishCloudWatchMetricsEnabled !== undefined) {
-    bodyParams["PublishCloudWatchMetricsEnabled"] =
-      input.PublishCloudWatchMetricsEnabled;
-  }
-  if (input.RemoveBytesScannedCutoffPerQuery !== undefined) {
-    bodyParams["RemoveBytesScannedCutoffPerQuery"] =
-      input.RemoveBytesScannedCutoffPerQuery;
-  }
-  if (input.RequesterPaysEnabled !== undefined) {
-    bodyParams["RequesterPaysEnabled"] = input.RequesterPaysEnabled;
-  }
-  if (input.ResultConfigurationUpdates !== undefined) {
-    bodyParams[
-      "ResultConfigurationUpdates"
-    ] = serializeAws_json1_1ResultConfigurationUpdates(
-      input.ResultConfigurationUpdates,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.BytesScannedCutoffPerQuery !== undefined && {
+      BytesScannedCutoffPerQuery: input.BytesScannedCutoffPerQuery
+    }),
+    ...(input.EnforceWorkGroupConfiguration !== undefined && {
+      EnforceWorkGroupConfiguration: input.EnforceWorkGroupConfiguration
+    }),
+    ...(input.PublishCloudWatchMetricsEnabled !== undefined && {
+      PublishCloudWatchMetricsEnabled: input.PublishCloudWatchMetricsEnabled
+    }),
+    ...(input.RemoveBytesScannedCutoffPerQuery !== undefined && {
+      RemoveBytesScannedCutoffPerQuery: input.RemoveBytesScannedCutoffPerQuery
+    }),
+    ...(input.RequesterPaysEnabled !== undefined && {
+      RequesterPaysEnabled: input.RequesterPaysEnabled
+    }),
+    ...(input.ResultConfigurationUpdates !== undefined && {
+      ResultConfigurationUpdates: serializeAws_json1_1ResultConfigurationUpdates(
+        input.ResultConfigurationUpdates,
+        context
+      )
+    })
+  };
 };
 
 const deserializeAws_json1_1BatchGetNamedQueryOutput = (
diff --git a/clients/client-auto-scaling-plans/protocols/Aws_json1_1.ts b/clients/client-auto-scaling-plans/protocols/Aws_json1_1.ts
index 272c4462faa2..e3d52246441f 100644
--- a/clients/client-auto-scaling-plans/protocols/Aws_json1_1.ts
+++ b/clients/client-auto-scaling-plans/protocols/Aws_json1_1.ts
@@ -826,17 +826,14 @@ const serializeAws_json1_1ApplicationSource = (
   input: ApplicationSource,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CloudFormationStackARN !== undefined) {
-    bodyParams["CloudFormationStackARN"] = input.CloudFormationStackARN;
-  }
-  if (input.TagFilters !== undefined) {
-    bodyParams["TagFilters"] = serializeAws_json1_1TagFilters(
-      input.TagFilters,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.CloudFormationStackARN !== undefined && {
+      CloudFormationStackARN: input.CloudFormationStackARN
+    }),
+    ...(input.TagFilters !== undefined && {
+      TagFilters: serializeAws_json1_1TagFilters(input.TagFilters, context)
+    })
+  };
 };
 
 const serializeAws_json1_1ApplicationSources = (
@@ -852,184 +849,154 @@ const serializeAws_json1_1CreateScalingPlanRequest = (
   input: CreateScalingPlanRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ApplicationSource !== undefined) {
-    bodyParams["ApplicationSource"] = serializeAws_json1_1ApplicationSource(
-      input.ApplicationSource,
-      context
-    );
-  }
-  if (input.ScalingInstructions !== undefined) {
-    bodyParams["ScalingInstructions"] = serializeAws_json1_1ScalingInstructions(
-      input.ScalingInstructions,
-      context
-    );
-  }
-  if (input.ScalingPlanName !== undefined) {
-    bodyParams["ScalingPlanName"] = input.ScalingPlanName;
-  }
-  return bodyParams;
+  return {
+    ...(input.ApplicationSource !== undefined && {
+      ApplicationSource: serializeAws_json1_1ApplicationSource(
+        input.ApplicationSource,
+        context
+      )
+    }),
+    ...(input.ScalingInstructions !== undefined && {
+      ScalingInstructions: serializeAws_json1_1ScalingInstructions(
+        input.ScalingInstructions,
+        context
+      )
+    }),
+    ...(input.ScalingPlanName !== undefined && {
+      ScalingPlanName: input.ScalingPlanName
+    })
+  };
 };
 
 const serializeAws_json1_1CustomizedLoadMetricSpecification = (
   input: CustomizedLoadMetricSpecification,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Dimensions !== undefined) {
-    bodyParams["Dimensions"] = serializeAws_json1_1MetricDimensions(
-      input.Dimensions,
-      context
-    );
-  }
-  if (input.MetricName !== undefined) {
-    bodyParams["MetricName"] = input.MetricName;
-  }
-  if (input.Namespace !== undefined) {
-    bodyParams["Namespace"] = input.Namespace;
-  }
-  if (input.Statistic !== undefined) {
-    bodyParams["Statistic"] = input.Statistic;
-  }
-  if (input.Unit !== undefined) {
-    bodyParams["Unit"] = input.Unit;
-  }
-  return bodyParams;
+  return {
+    ...(input.Dimensions !== undefined && {
+      Dimensions: serializeAws_json1_1MetricDimensions(
+        input.Dimensions,
+        context
+      )
+    }),
+    ...(input.MetricName !== undefined && { MetricName: input.MetricName }),
+    ...(input.Namespace !== undefined && { Namespace: input.Namespace }),
+    ...(input.Statistic !== undefined && { Statistic: input.Statistic }),
+    ...(input.Unit !== undefined && { Unit: input.Unit })
+  };
 };
 
 const serializeAws_json1_1CustomizedScalingMetricSpecification = (
   input: CustomizedScalingMetricSpecification,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Dimensions !== undefined) {
-    bodyParams["Dimensions"] = serializeAws_json1_1MetricDimensions(
-      input.Dimensions,
-      context
-    );
-  }
-  if (input.MetricName !== undefined) {
-    bodyParams["MetricName"] = input.MetricName;
-  }
-  if (input.Namespace !== undefined) {
-    bodyParams["Namespace"] = input.Namespace;
-  }
-  if (input.Statistic !== undefined) {
-    bodyParams["Statistic"] = input.Statistic;
-  }
-  if (input.Unit !== undefined) {
-    bodyParams["Unit"] = input.Unit;
-  }
-  return bodyParams;
+  return {
+    ...(input.Dimensions !== undefined && {
+      Dimensions: serializeAws_json1_1MetricDimensions(
+        input.Dimensions,
+        context
+      )
+    }),
+    ...(input.MetricName !== undefined && { MetricName: input.MetricName }),
+    ...(input.Namespace !== undefined && { Namespace: input.Namespace }),
+    ...(input.Statistic !== undefined && { Statistic: input.Statistic }),
+    ...(input.Unit !== undefined && { Unit: input.Unit })
+  };
 };
 
 const serializeAws_json1_1DeleteScalingPlanRequest = (
   input: DeleteScalingPlanRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ScalingPlanName !== undefined) {
-    bodyParams["ScalingPlanName"] = input.ScalingPlanName;
-  }
-  if (input.ScalingPlanVersion !== undefined) {
-    bodyParams["ScalingPlanVersion"] = input.ScalingPlanVersion;
-  }
-  return bodyParams;
+  return {
+    ...(input.ScalingPlanName !== undefined && {
+      ScalingPlanName: input.ScalingPlanName
+    }),
+    ...(input.ScalingPlanVersion !== undefined && {
+      ScalingPlanVersion: input.ScalingPlanVersion
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeScalingPlanResourcesRequest = (
   input: DescribeScalingPlanResourcesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.ScalingPlanName !== undefined) {
-    bodyParams["ScalingPlanName"] = input.ScalingPlanName;
-  }
-  if (input.ScalingPlanVersion !== undefined) {
-    bodyParams["ScalingPlanVersion"] = input.ScalingPlanVersion;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.ScalingPlanName !== undefined && {
+      ScalingPlanName: input.ScalingPlanName
+    }),
+    ...(input.ScalingPlanVersion !== undefined && {
+      ScalingPlanVersion: input.ScalingPlanVersion
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeScalingPlansRequest = (
   input: DescribeScalingPlansRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ApplicationSources !== undefined) {
-    bodyParams["ApplicationSources"] = serializeAws_json1_1ApplicationSources(
-      input.ApplicationSources,
-      context
-    );
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.ScalingPlanNames !== undefined) {
-    bodyParams["ScalingPlanNames"] = serializeAws_json1_1ScalingPlanNames(
-      input.ScalingPlanNames,
-      context
-    );
-  }
-  if (input.ScalingPlanVersion !== undefined) {
-    bodyParams["ScalingPlanVersion"] = input.ScalingPlanVersion;
-  }
-  return bodyParams;
+  return {
+    ...(input.ApplicationSources !== undefined && {
+      ApplicationSources: serializeAws_json1_1ApplicationSources(
+        input.ApplicationSources,
+        context
+      )
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.ScalingPlanNames !== undefined && {
+      ScalingPlanNames: serializeAws_json1_1ScalingPlanNames(
+        input.ScalingPlanNames,
+        context
+      )
+    }),
+    ...(input.ScalingPlanVersion !== undefined && {
+      ScalingPlanVersion: input.ScalingPlanVersion
+    })
+  };
 };
 
 const serializeAws_json1_1GetScalingPlanResourceForecastDataRequest = (
   input: GetScalingPlanResourceForecastDataRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EndTime !== undefined) {
-    bodyParams["EndTime"] = Math.round(input.EndTime.getTime() / 1000);
-  }
-  if (input.ForecastDataType !== undefined) {
-    bodyParams["ForecastDataType"] = input.ForecastDataType;
-  }
-  if (input.ResourceId !== undefined) {
-    bodyParams["ResourceId"] = input.ResourceId;
-  }
-  if (input.ScalableDimension !== undefined) {
-    bodyParams["ScalableDimension"] = input.ScalableDimension;
-  }
-  if (input.ScalingPlanName !== undefined) {
-    bodyParams["ScalingPlanName"] = input.ScalingPlanName;
-  }
-  if (input.ScalingPlanVersion !== undefined) {
-    bodyParams["ScalingPlanVersion"] = input.ScalingPlanVersion;
-  }
-  if (input.ServiceNamespace !== undefined) {
-    bodyParams["ServiceNamespace"] = input.ServiceNamespace;
-  }
-  if (input.StartTime !== undefined) {
-    bodyParams["StartTime"] = Math.round(input.StartTime.getTime() / 1000);
-  }
-  return bodyParams;
+  return {
+    ...(input.EndTime !== undefined && {
+      EndTime: Math.round(input.EndTime.getTime() / 1000)
+    }),
+    ...(input.ForecastDataType !== undefined && {
+      ForecastDataType: input.ForecastDataType
+    }),
+    ...(input.ResourceId !== undefined && { ResourceId: input.ResourceId }),
+    ...(input.ScalableDimension !== undefined && {
+      ScalableDimension: input.ScalableDimension
+    }),
+    ...(input.ScalingPlanName !== undefined && {
+      ScalingPlanName: input.ScalingPlanName
+    }),
+    ...(input.ScalingPlanVersion !== undefined && {
+      ScalingPlanVersion: input.ScalingPlanVersion
+    }),
+    ...(input.ServiceNamespace !== undefined && {
+      ServiceNamespace: input.ServiceNamespace
+    }),
+    ...(input.StartTime !== undefined && {
+      StartTime: Math.round(input.StartTime.getTime() / 1000)
+    })
+  };
 };
 
 const serializeAws_json1_1MetricDimension = (
   input: MetricDimension,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.Value !== undefined) {
-    bodyParams["Value"] = input.Value;
-  }
-  return bodyParams;
+  return {
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.Value !== undefined && { Value: input.Value })
+  };
 };
 
 const serializeAws_json1_1MetricDimensions = (
@@ -1045,97 +1012,83 @@ const serializeAws_json1_1PredefinedLoadMetricSpecification = (
   input: PredefinedLoadMetricSpecification,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.PredefinedLoadMetricType !== undefined) {
-    bodyParams["PredefinedLoadMetricType"] = input.PredefinedLoadMetricType;
-  }
-  if (input.ResourceLabel !== undefined) {
-    bodyParams["ResourceLabel"] = input.ResourceLabel;
-  }
-  return bodyParams;
+  return {
+    ...(input.PredefinedLoadMetricType !== undefined && {
+      PredefinedLoadMetricType: input.PredefinedLoadMetricType
+    }),
+    ...(input.ResourceLabel !== undefined && {
+      ResourceLabel: input.ResourceLabel
+    })
+  };
 };
 
 const serializeAws_json1_1PredefinedScalingMetricSpecification = (
   input: PredefinedScalingMetricSpecification,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.PredefinedScalingMetricType !== undefined) {
-    bodyParams["PredefinedScalingMetricType"] =
-      input.PredefinedScalingMetricType;
-  }
-  if (input.ResourceLabel !== undefined) {
-    bodyParams["ResourceLabel"] = input.ResourceLabel;
-  }
-  return bodyParams;
+  return {
+    ...(input.PredefinedScalingMetricType !== undefined && {
+      PredefinedScalingMetricType: input.PredefinedScalingMetricType
+    }),
+    ...(input.ResourceLabel !== undefined && {
+      ResourceLabel: input.ResourceLabel
+    })
+  };
 };
 
 const serializeAws_json1_1ScalingInstruction = (
   input: ScalingInstruction,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CustomizedLoadMetricSpecification !== undefined) {
-    bodyParams[
-      "CustomizedLoadMetricSpecification"
-    ] = serializeAws_json1_1CustomizedLoadMetricSpecification(
-      input.CustomizedLoadMetricSpecification,
-      context
-    );
-  }
-  if (input.DisableDynamicScaling !== undefined) {
-    bodyParams["DisableDynamicScaling"] = input.DisableDynamicScaling;
-  }
-  if (input.MaxCapacity !== undefined) {
-    bodyParams["MaxCapacity"] = input.MaxCapacity;
-  }
-  if (input.MinCapacity !== undefined) {
-    bodyParams["MinCapacity"] = input.MinCapacity;
-  }
-  if (input.PredefinedLoadMetricSpecification !== undefined) {
-    bodyParams[
-      "PredefinedLoadMetricSpecification"
-    ] = serializeAws_json1_1PredefinedLoadMetricSpecification(
-      input.PredefinedLoadMetricSpecification,
-      context
-    );
-  }
-  if (input.PredictiveScalingMaxCapacityBehavior !== undefined) {
-    bodyParams["PredictiveScalingMaxCapacityBehavior"] =
-      input.PredictiveScalingMaxCapacityBehavior;
-  }
-  if (input.PredictiveScalingMaxCapacityBuffer !== undefined) {
-    bodyParams["PredictiveScalingMaxCapacityBuffer"] =
-      input.PredictiveScalingMaxCapacityBuffer;
-  }
-  if (input.PredictiveScalingMode !== undefined) {
-    bodyParams["PredictiveScalingMode"] = input.PredictiveScalingMode;
-  }
-  if (input.ResourceId !== undefined) {
-    bodyParams["ResourceId"] = input.ResourceId;
-  }
-  if (input.ScalableDimension !== undefined) {
-    bodyParams["ScalableDimension"] = input.ScalableDimension;
-  }
-  if (input.ScalingPolicyUpdateBehavior !== undefined) {
-    bodyParams["ScalingPolicyUpdateBehavior"] =
-      input.ScalingPolicyUpdateBehavior;
-  }
-  if (input.ScheduledActionBufferTime !== undefined) {
-    bodyParams["ScheduledActionBufferTime"] = input.ScheduledActionBufferTime;
-  }
-  if (input.ServiceNamespace !== undefined) {
-    bodyParams["ServiceNamespace"] = input.ServiceNamespace;
-  }
-  if (input.TargetTrackingConfigurations !== undefined) {
-    bodyParams[
-      "TargetTrackingConfigurations"
-    ] = serializeAws_json1_1TargetTrackingConfigurations(
-      input.TargetTrackingConfigurations,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.CustomizedLoadMetricSpecification !== undefined && {
+      CustomizedLoadMetricSpecification: serializeAws_json1_1CustomizedLoadMetricSpecification(
+        input.CustomizedLoadMetricSpecification,
+        context
+      )
+    }),
+    ...(input.DisableDynamicScaling !== undefined && {
+      DisableDynamicScaling: input.DisableDynamicScaling
+    }),
+    ...(input.MaxCapacity !== undefined && { MaxCapacity: input.MaxCapacity }),
+    ...(input.MinCapacity !== undefined && { MinCapacity: input.MinCapacity }),
+    ...(input.PredefinedLoadMetricSpecification !== undefined && {
+      PredefinedLoadMetricSpecification: serializeAws_json1_1PredefinedLoadMetricSpecification(
+        input.PredefinedLoadMetricSpecification,
+        context
+      )
+    }),
+    ...(input.PredictiveScalingMaxCapacityBehavior !== undefined && {
+      PredictiveScalingMaxCapacityBehavior:
+        input.PredictiveScalingMaxCapacityBehavior
+    }),
+    ...(input.PredictiveScalingMaxCapacityBuffer !== undefined && {
+      PredictiveScalingMaxCapacityBuffer:
+        input.PredictiveScalingMaxCapacityBuffer
+    }),
+    ...(input.PredictiveScalingMode !== undefined && {
+      PredictiveScalingMode: input.PredictiveScalingMode
+    }),
+    ...(input.ResourceId !== undefined && { ResourceId: input.ResourceId }),
+    ...(input.ScalableDimension !== undefined && {
+      ScalableDimension: input.ScalableDimension
+    }),
+    ...(input.ScalingPolicyUpdateBehavior !== undefined && {
+      ScalingPolicyUpdateBehavior: input.ScalingPolicyUpdateBehavior
+    }),
+    ...(input.ScheduledActionBufferTime !== undefined && {
+      ScheduledActionBufferTime: input.ScheduledActionBufferTime
+    }),
+    ...(input.ServiceNamespace !== undefined && {
+      ServiceNamespace: input.ServiceNamespace
+    }),
+    ...(input.TargetTrackingConfigurations !== undefined && {
+      TargetTrackingConfigurations: serializeAws_json1_1TargetTrackingConfigurations(
+        input.TargetTrackingConfigurations,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1ScalingInstructions = (
@@ -1158,14 +1111,12 @@ const serializeAws_json1_1TagFilter = (
   input: TagFilter,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Key !== undefined) {
-    bodyParams["Key"] = input.Key;
-  }
-  if (input.Values !== undefined) {
-    bodyParams["Values"] = serializeAws_json1_1TagValues(input.Values, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.Key !== undefined && { Key: input.Key }),
+    ...(input.Values !== undefined && {
+      Values: serializeAws_json1_1TagValues(input.Values, context)
+    })
+  };
 };
 
 const serializeAws_json1_1TagFilters = (
@@ -1186,39 +1137,33 @@ const serializeAws_json1_1TargetTrackingConfiguration = (
   input: TargetTrackingConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CustomizedScalingMetricSpecification !== undefined) {
-    bodyParams[
-      "CustomizedScalingMetricSpecification"
-    ] = serializeAws_json1_1CustomizedScalingMetricSpecification(
-      input.CustomizedScalingMetricSpecification,
-      context
-    );
-  }
-  if (input.DisableScaleIn !== undefined) {
-    bodyParams["DisableScaleIn"] = input.DisableScaleIn;
-  }
-  if (input.EstimatedInstanceWarmup !== undefined) {
-    bodyParams["EstimatedInstanceWarmup"] = input.EstimatedInstanceWarmup;
-  }
-  if (input.PredefinedScalingMetricSpecification !== undefined) {
-    bodyParams[
-      "PredefinedScalingMetricSpecification"
-    ] = serializeAws_json1_1PredefinedScalingMetricSpecification(
-      input.PredefinedScalingMetricSpecification,
-      context
-    );
-  }
-  if (input.ScaleInCooldown !== undefined) {
-    bodyParams["ScaleInCooldown"] = input.ScaleInCooldown;
-  }
-  if (input.ScaleOutCooldown !== undefined) {
-    bodyParams["ScaleOutCooldown"] = input.ScaleOutCooldown;
-  }
-  if (input.TargetValue !== undefined) {
-    bodyParams["TargetValue"] = input.TargetValue;
-  }
-  return bodyParams;
+  return {
+    ...(input.CustomizedScalingMetricSpecification !== undefined && {
+      CustomizedScalingMetricSpecification: serializeAws_json1_1CustomizedScalingMetricSpecification(
+        input.CustomizedScalingMetricSpecification,
+        context
+      )
+    }),
+    ...(input.DisableScaleIn !== undefined && {
+      DisableScaleIn: input.DisableScaleIn
+    }),
+    ...(input.EstimatedInstanceWarmup !== undefined && {
+      EstimatedInstanceWarmup: input.EstimatedInstanceWarmup
+    }),
+    ...(input.PredefinedScalingMetricSpecification !== undefined && {
+      PredefinedScalingMetricSpecification: serializeAws_json1_1PredefinedScalingMetricSpecification(
+        input.PredefinedScalingMetricSpecification,
+        context
+      )
+    }),
+    ...(input.ScaleInCooldown !== undefined && {
+      ScaleInCooldown: input.ScaleInCooldown
+    }),
+    ...(input.ScaleOutCooldown !== undefined && {
+      ScaleOutCooldown: input.ScaleOutCooldown
+    }),
+    ...(input.TargetValue !== undefined && { TargetValue: input.TargetValue })
+  };
 };
 
 const serializeAws_json1_1TargetTrackingConfigurations = (
@@ -1234,26 +1179,26 @@ const serializeAws_json1_1UpdateScalingPlanRequest = (
   input: UpdateScalingPlanRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ApplicationSource !== undefined) {
-    bodyParams["ApplicationSource"] = serializeAws_json1_1ApplicationSource(
-      input.ApplicationSource,
-      context
-    );
-  }
-  if (input.ScalingInstructions !== undefined) {
-    bodyParams["ScalingInstructions"] = serializeAws_json1_1ScalingInstructions(
-      input.ScalingInstructions,
-      context
-    );
-  }
-  if (input.ScalingPlanName !== undefined) {
-    bodyParams["ScalingPlanName"] = input.ScalingPlanName;
-  }
-  if (input.ScalingPlanVersion !== undefined) {
-    bodyParams["ScalingPlanVersion"] = input.ScalingPlanVersion;
-  }
-  return bodyParams;
+  return {
+    ...(input.ApplicationSource !== undefined && {
+      ApplicationSource: serializeAws_json1_1ApplicationSource(
+        input.ApplicationSource,
+        context
+      )
+    }),
+    ...(input.ScalingInstructions !== undefined && {
+      ScalingInstructions: serializeAws_json1_1ScalingInstructions(
+        input.ScalingInstructions,
+        context
+      )
+    }),
+    ...(input.ScalingPlanName !== undefined && {
+      ScalingPlanName: input.ScalingPlanName
+    }),
+    ...(input.ScalingPlanVersion !== undefined && {
+      ScalingPlanVersion: input.ScalingPlanVersion
+    })
+  };
 };
 
 const deserializeAws_json1_1ApplicationSource = (
diff --git a/clients/client-backup/protocols/Aws_restJson1_1.ts b/clients/client-backup/protocols/Aws_restJson1_1.ts
index 95a292bf6cb5..6f5a77b424ab 100644
--- a/clients/client-backup/protocols/Aws_restJson1_1.ts
+++ b/clients/client-backup/protocols/Aws_restJson1_1.ts
@@ -7174,58 +7174,50 @@ const serializeAws_restJson1_1BackupPlanInput = (
   input: BackupPlanInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.BackupPlanName !== undefined) {
-    bodyParams["BackupPlanName"] = input.BackupPlanName;
-  }
-  if (input.Rules !== undefined) {
-    bodyParams["Rules"] = serializeAws_restJson1_1BackupRulesInput(
-      input.Rules,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.BackupPlanName !== undefined && {
+      BackupPlanName: input.BackupPlanName
+    }),
+    ...(input.Rules !== undefined && {
+      Rules: serializeAws_restJson1_1BackupRulesInput(input.Rules, context)
+    })
+  };
 };
 
 const serializeAws_restJson1_1BackupRuleInput = (
   input: BackupRuleInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CompletionWindowMinutes !== undefined) {
-    bodyParams["CompletionWindowMinutes"] = input.CompletionWindowMinutes;
-  }
-  if (input.CopyActions !== undefined) {
-    bodyParams["CopyActions"] = serializeAws_restJson1_1CopyActions(
-      input.CopyActions,
-      context
-    );
-  }
-  if (input.Lifecycle !== undefined) {
-    bodyParams["Lifecycle"] = serializeAws_restJson1_1Lifecycle(
-      input.Lifecycle,
-      context
-    );
-  }
-  if (input.RecoveryPointTags !== undefined) {
-    bodyParams["RecoveryPointTags"] = serializeAws_restJson1_1Tags(
-      input.RecoveryPointTags,
-      context
-    );
-  }
-  if (input.RuleName !== undefined) {
-    bodyParams["RuleName"] = input.RuleName;
-  }
-  if (input.ScheduleExpression !== undefined) {
-    bodyParams["ScheduleExpression"] = input.ScheduleExpression;
-  }
-  if (input.StartWindowMinutes !== undefined) {
-    bodyParams["StartWindowMinutes"] = input.StartWindowMinutes;
-  }
-  if (input.TargetBackupVaultName !== undefined) {
-    bodyParams["TargetBackupVaultName"] = input.TargetBackupVaultName;
-  }
-  return bodyParams;
+  return {
+    ...(input.CompletionWindowMinutes !== undefined && {
+      CompletionWindowMinutes: input.CompletionWindowMinutes
+    }),
+    ...(input.CopyActions !== undefined && {
+      CopyActions: serializeAws_restJson1_1CopyActions(
+        input.CopyActions,
+        context
+      )
+    }),
+    ...(input.Lifecycle !== undefined && {
+      Lifecycle: serializeAws_restJson1_1Lifecycle(input.Lifecycle, context)
+    }),
+    ...(input.RecoveryPointTags !== undefined && {
+      RecoveryPointTags: serializeAws_restJson1_1Tags(
+        input.RecoveryPointTags,
+        context
+      )
+    }),
+    ...(input.RuleName !== undefined && { RuleName: input.RuleName }),
+    ...(input.ScheduleExpression !== undefined && {
+      ScheduleExpression: input.ScheduleExpression
+    }),
+    ...(input.StartWindowMinutes !== undefined && {
+      StartWindowMinutes: input.StartWindowMinutes
+    }),
+    ...(input.TargetBackupVaultName !== undefined && {
+      TargetBackupVaultName: input.TargetBackupVaultName
+    })
+  };
 };
 
 const serializeAws_restJson1_1BackupRulesInput = (
@@ -7241,26 +7233,18 @@ const serializeAws_restJson1_1BackupSelection = (
   input: BackupSelection,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.IamRoleArn !== undefined) {
-    bodyParams["IamRoleArn"] = input.IamRoleArn;
-  }
-  if (input.ListOfTags !== undefined) {
-    bodyParams["ListOfTags"] = serializeAws_restJson1_1ListOfTags(
-      input.ListOfTags,
-      context
-    );
-  }
-  if (input.Resources !== undefined) {
-    bodyParams["Resources"] = serializeAws_restJson1_1ResourceArns(
-      input.Resources,
-      context
-    );
-  }
-  if (input.SelectionName !== undefined) {
-    bodyParams["SelectionName"] = input.SelectionName;
-  }
-  return bodyParams;
+  return {
+    ...(input.IamRoleArn !== undefined && { IamRoleArn: input.IamRoleArn }),
+    ...(input.ListOfTags !== undefined && {
+      ListOfTags: serializeAws_restJson1_1ListOfTags(input.ListOfTags, context)
+    }),
+    ...(input.Resources !== undefined && {
+      Resources: serializeAws_restJson1_1ResourceArns(input.Resources, context)
+    }),
+    ...(input.SelectionName !== undefined && {
+      SelectionName: input.SelectionName
+    })
+  };
 };
 
 const serializeAws_restJson1_1BackupVaultEvents = (
@@ -7274,34 +7258,31 @@ const serializeAws_restJson1_1Condition = (
   input: Condition,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ConditionKey !== undefined) {
-    bodyParams["ConditionKey"] = input.ConditionKey;
-  }
-  if (input.ConditionType !== undefined) {
-    bodyParams["ConditionType"] = input.ConditionType;
-  }
-  if (input.ConditionValue !== undefined) {
-    bodyParams["ConditionValue"] = input.ConditionValue;
-  }
-  return bodyParams;
+  return {
+    ...(input.ConditionKey !== undefined && {
+      ConditionKey: input.ConditionKey
+    }),
+    ...(input.ConditionType !== undefined && {
+      ConditionType: input.ConditionType
+    }),
+    ...(input.ConditionValue !== undefined && {
+      ConditionValue: input.ConditionValue
+    })
+  };
 };
 
 const serializeAws_restJson1_1CopyAction = (
   input: CopyAction,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DestinationBackupVaultArn !== undefined) {
-    bodyParams["DestinationBackupVaultArn"] = input.DestinationBackupVaultArn;
-  }
-  if (input.Lifecycle !== undefined) {
-    bodyParams["Lifecycle"] = serializeAws_restJson1_1Lifecycle(
-      input.Lifecycle,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.DestinationBackupVaultArn !== undefined && {
+      DestinationBackupVaultArn: input.DestinationBackupVaultArn
+    }),
+    ...(input.Lifecycle !== undefined && {
+      Lifecycle: serializeAws_restJson1_1Lifecycle(input.Lifecycle, context)
+    })
+  };
 };
 
 const serializeAws_restJson1_1CopyActions = (
@@ -7315,14 +7296,14 @@ const serializeAws_restJson1_1Lifecycle = (
   input: Lifecycle,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DeleteAfterDays !== undefined) {
-    bodyParams["DeleteAfterDays"] = input.DeleteAfterDays;
-  }
-  if (input.MoveToColdStorageAfterDays !== undefined) {
-    bodyParams["MoveToColdStorageAfterDays"] = input.MoveToColdStorageAfterDays;
-  }
-  return bodyParams;
+  return {
+    ...(input.DeleteAfterDays !== undefined && {
+      DeleteAfterDays: input.DeleteAfterDays
+    }),
+    ...(input.MoveToColdStorageAfterDays !== undefined && {
+      MoveToColdStorageAfterDays: input.MoveToColdStorageAfterDays
+    })
+  };
 };
 
 const serializeAws_restJson1_1ListOfTags = (
diff --git a/clients/client-batch/protocols/Aws_restJson1_1.ts b/clients/client-batch/protocols/Aws_restJson1_1.ts
index 2c3663bd9f97..e2aa1f0b8c84 100644
--- a/clients/client-batch/protocols/Aws_restJson1_1.ts
+++ b/clients/client-batch/protocols/Aws_restJson1_1.ts
@@ -1972,25 +1972,21 @@ const serializeAws_restJson1_1ArrayProperties = (
   input: ArrayProperties,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.size !== undefined) {
-    bodyParams["size"] = input.size;
-  }
-  return bodyParams;
+  return {
+    ...(input.size !== undefined && { size: input.size })
+  };
 };
 
 const serializeAws_restJson1_1ComputeEnvironmentOrder = (
   input: ComputeEnvironmentOrder,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.computeEnvironment !== undefined) {
-    bodyParams["computeEnvironment"] = input.computeEnvironment;
-  }
-  if (input.order !== undefined) {
-    bodyParams["order"] = input.order;
-  }
-  return bodyParams;
+  return {
+    ...(input.computeEnvironment !== undefined && {
+      computeEnvironment: input.computeEnvironment
+    }),
+    ...(input.order !== undefined && { order: input.order })
+  };
 };
 
 const serializeAws_restJson1_1ComputeEnvironmentOrders = (
@@ -2006,220 +2002,167 @@ const serializeAws_restJson1_1ComputeResource = (
   input: ComputeResource,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.allocationStrategy !== undefined) {
-    bodyParams["allocationStrategy"] = input.allocationStrategy;
-  }
-  if (input.bidPercentage !== undefined) {
-    bodyParams["bidPercentage"] = input.bidPercentage;
-  }
-  if (input.desiredvCpus !== undefined) {
-    bodyParams["desiredvCpus"] = input.desiredvCpus;
-  }
-  if (input.ec2KeyPair !== undefined) {
-    bodyParams["ec2KeyPair"] = input.ec2KeyPair;
-  }
-  if (input.imageId !== undefined) {
-    bodyParams["imageId"] = input.imageId;
-  }
-  if (input.instanceRole !== undefined) {
-    bodyParams["instanceRole"] = input.instanceRole;
-  }
-  if (input.instanceTypes !== undefined) {
-    bodyParams["instanceTypes"] = serializeAws_restJson1_1StringList(
-      input.instanceTypes,
-      context
-    );
-  }
-  if (input.launchTemplate !== undefined) {
-    bodyParams[
-      "launchTemplate"
-    ] = serializeAws_restJson1_1LaunchTemplateSpecification(
-      input.launchTemplate,
-      context
-    );
-  }
-  if (input.maxvCpus !== undefined) {
-    bodyParams["maxvCpus"] = input.maxvCpus;
-  }
-  if (input.minvCpus !== undefined) {
-    bodyParams["minvCpus"] = input.minvCpus;
-  }
-  if (input.placementGroup !== undefined) {
-    bodyParams["placementGroup"] = input.placementGroup;
-  }
-  if (input.securityGroupIds !== undefined) {
-    bodyParams["securityGroupIds"] = serializeAws_restJson1_1StringList(
-      input.securityGroupIds,
-      context
-    );
-  }
-  if (input.spotIamFleetRole !== undefined) {
-    bodyParams["spotIamFleetRole"] = input.spotIamFleetRole;
-  }
-  if (input.subnets !== undefined) {
-    bodyParams["subnets"] = serializeAws_restJson1_1StringList(
-      input.subnets,
-      context
-    );
-  }
-  if (input.tags !== undefined) {
-    bodyParams["tags"] = serializeAws_restJson1_1TagsMap(input.tags, context);
-  }
-  if (input.type !== undefined) {
-    bodyParams["type"] = input.type;
-  }
-  return bodyParams;
+  return {
+    ...(input.allocationStrategy !== undefined && {
+      allocationStrategy: input.allocationStrategy
+    }),
+    ...(input.bidPercentage !== undefined && {
+      bidPercentage: input.bidPercentage
+    }),
+    ...(input.desiredvCpus !== undefined && {
+      desiredvCpus: input.desiredvCpus
+    }),
+    ...(input.ec2KeyPair !== undefined && { ec2KeyPair: input.ec2KeyPair }),
+    ...(input.imageId !== undefined && { imageId: input.imageId }),
+    ...(input.instanceRole !== undefined && {
+      instanceRole: input.instanceRole
+    }),
+    ...(input.instanceTypes !== undefined && {
+      instanceTypes: serializeAws_restJson1_1StringList(
+        input.instanceTypes,
+        context
+      )
+    }),
+    ...(input.launchTemplate !== undefined && {
+      launchTemplate: serializeAws_restJson1_1LaunchTemplateSpecification(
+        input.launchTemplate,
+        context
+      )
+    }),
+    ...(input.maxvCpus !== undefined && { maxvCpus: input.maxvCpus }),
+    ...(input.minvCpus !== undefined && { minvCpus: input.minvCpus }),
+    ...(input.placementGroup !== undefined && {
+      placementGroup: input.placementGroup
+    }),
+    ...(input.securityGroupIds !== undefined && {
+      securityGroupIds: serializeAws_restJson1_1StringList(
+        input.securityGroupIds,
+        context
+      )
+    }),
+    ...(input.spotIamFleetRole !== undefined && {
+      spotIamFleetRole: input.spotIamFleetRole
+    }),
+    ...(input.subnets !== undefined && {
+      subnets: serializeAws_restJson1_1StringList(input.subnets, context)
+    }),
+    ...(input.tags !== undefined && {
+      tags: serializeAws_restJson1_1TagsMap(input.tags, context)
+    }),
+    ...(input.type !== undefined && { type: input.type })
+  };
 };
 
 const serializeAws_restJson1_1ComputeResourceUpdate = (
   input: ComputeResourceUpdate,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.desiredvCpus !== undefined) {
-    bodyParams["desiredvCpus"] = input.desiredvCpus;
-  }
-  if (input.maxvCpus !== undefined) {
-    bodyParams["maxvCpus"] = input.maxvCpus;
-  }
-  if (input.minvCpus !== undefined) {
-    bodyParams["minvCpus"] = input.minvCpus;
-  }
-  return bodyParams;
+  return {
+    ...(input.desiredvCpus !== undefined && {
+      desiredvCpus: input.desiredvCpus
+    }),
+    ...(input.maxvCpus !== undefined && { maxvCpus: input.maxvCpus }),
+    ...(input.minvCpus !== undefined && { minvCpus: input.minvCpus })
+  };
 };
 
 const serializeAws_restJson1_1ContainerOverrides = (
   input: ContainerOverrides,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.command !== undefined) {
-    bodyParams["command"] = serializeAws_restJson1_1StringList(
-      input.command,
-      context
-    );
-  }
-  if (input.environment !== undefined) {
-    bodyParams["environment"] = serializeAws_restJson1_1EnvironmentVariables(
-      input.environment,
-      context
-    );
-  }
-  if (input.instanceType !== undefined) {
-    bodyParams["instanceType"] = input.instanceType;
-  }
-  if (input.memory !== undefined) {
-    bodyParams["memory"] = input.memory;
-  }
-  if (input.resourceRequirements !== undefined) {
-    bodyParams[
-      "resourceRequirements"
-    ] = serializeAws_restJson1_1ResourceRequirements(
-      input.resourceRequirements,
-      context
-    );
-  }
-  if (input.vcpus !== undefined) {
-    bodyParams["vcpus"] = input.vcpus;
-  }
-  return bodyParams;
+  return {
+    ...(input.command !== undefined && {
+      command: serializeAws_restJson1_1StringList(input.command, context)
+    }),
+    ...(input.environment !== undefined && {
+      environment: serializeAws_restJson1_1EnvironmentVariables(
+        input.environment,
+        context
+      )
+    }),
+    ...(input.instanceType !== undefined && {
+      instanceType: input.instanceType
+    }),
+    ...(input.memory !== undefined && { memory: input.memory }),
+    ...(input.resourceRequirements !== undefined && {
+      resourceRequirements: serializeAws_restJson1_1ResourceRequirements(
+        input.resourceRequirements,
+        context
+      )
+    }),
+    ...(input.vcpus !== undefined && { vcpus: input.vcpus })
+  };
 };
 
 const serializeAws_restJson1_1ContainerProperties = (
   input: ContainerProperties,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.command !== undefined) {
-    bodyParams["command"] = serializeAws_restJson1_1StringList(
-      input.command,
-      context
-    );
-  }
-  if (input.environment !== undefined) {
-    bodyParams["environment"] = serializeAws_restJson1_1EnvironmentVariables(
-      input.environment,
-      context
-    );
-  }
-  if (input.image !== undefined) {
-    bodyParams["image"] = input.image;
-  }
-  if (input.instanceType !== undefined) {
-    bodyParams["instanceType"] = input.instanceType;
-  }
-  if (input.jobRoleArn !== undefined) {
-    bodyParams["jobRoleArn"] = input.jobRoleArn;
-  }
-  if (input.linuxParameters !== undefined) {
-    bodyParams["linuxParameters"] = serializeAws_restJson1_1LinuxParameters(
-      input.linuxParameters,
-      context
-    );
-  }
-  if (input.memory !== undefined) {
-    bodyParams["memory"] = input.memory;
-  }
-  if (input.mountPoints !== undefined) {
-    bodyParams["mountPoints"] = serializeAws_restJson1_1MountPoints(
-      input.mountPoints,
-      context
-    );
-  }
-  if (input.privileged !== undefined) {
-    bodyParams["privileged"] = input.privileged;
-  }
-  if (input.readonlyRootFilesystem !== undefined) {
-    bodyParams["readonlyRootFilesystem"] = input.readonlyRootFilesystem;
-  }
-  if (input.resourceRequirements !== undefined) {
-    bodyParams[
-      "resourceRequirements"
-    ] = serializeAws_restJson1_1ResourceRequirements(
-      input.resourceRequirements,
-      context
-    );
-  }
-  if (input.ulimits !== undefined) {
-    bodyParams["ulimits"] = serializeAws_restJson1_1Ulimits(
-      input.ulimits,
-      context
-    );
-  }
-  if (input.user !== undefined) {
-    bodyParams["user"] = input.user;
-  }
-  if (input.vcpus !== undefined) {
-    bodyParams["vcpus"] = input.vcpus;
-  }
-  if (input.volumes !== undefined) {
-    bodyParams["volumes"] = serializeAws_restJson1_1Volumes(
-      input.volumes,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.command !== undefined && {
+      command: serializeAws_restJson1_1StringList(input.command, context)
+    }),
+    ...(input.environment !== undefined && {
+      environment: serializeAws_restJson1_1EnvironmentVariables(
+        input.environment,
+        context
+      )
+    }),
+    ...(input.image !== undefined && { image: input.image }),
+    ...(input.instanceType !== undefined && {
+      instanceType: input.instanceType
+    }),
+    ...(input.jobRoleArn !== undefined && { jobRoleArn: input.jobRoleArn }),
+    ...(input.linuxParameters !== undefined && {
+      linuxParameters: serializeAws_restJson1_1LinuxParameters(
+        input.linuxParameters,
+        context
+      )
+    }),
+    ...(input.memory !== undefined && { memory: input.memory }),
+    ...(input.mountPoints !== undefined && {
+      mountPoints: serializeAws_restJson1_1MountPoints(
+        input.mountPoints,
+        context
+      )
+    }),
+    ...(input.privileged !== undefined && { privileged: input.privileged }),
+    ...(input.readonlyRootFilesystem !== undefined && {
+      readonlyRootFilesystem: input.readonlyRootFilesystem
+    }),
+    ...(input.resourceRequirements !== undefined && {
+      resourceRequirements: serializeAws_restJson1_1ResourceRequirements(
+        input.resourceRequirements,
+        context
+      )
+    }),
+    ...(input.ulimits !== undefined && {
+      ulimits: serializeAws_restJson1_1Ulimits(input.ulimits, context)
+    }),
+    ...(input.user !== undefined && { user: input.user }),
+    ...(input.vcpus !== undefined && { vcpus: input.vcpus }),
+    ...(input.volumes !== undefined && {
+      volumes: serializeAws_restJson1_1Volumes(input.volumes, context)
+    })
+  };
 };
 
 const serializeAws_restJson1_1Device = (
   input: Device,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.containerPath !== undefined) {
-    bodyParams["containerPath"] = input.containerPath;
-  }
-  if (input.hostPath !== undefined) {
-    bodyParams["hostPath"] = input.hostPath;
-  }
-  if (input.permissions !== undefined) {
-    bodyParams["permissions"] = serializeAws_restJson1_1DeviceCgroupPermissions(
-      input.permissions,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.containerPath !== undefined && {
+      containerPath: input.containerPath
+    }),
+    ...(input.hostPath !== undefined && { hostPath: input.hostPath }),
+    ...(input.permissions !== undefined && {
+      permissions: serializeAws_restJson1_1DeviceCgroupPermissions(
+        input.permissions,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1DeviceCgroupPermissions = (
@@ -2249,25 +2192,19 @@ const serializeAws_restJson1_1Host = (
   input: Host,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.sourcePath !== undefined) {
-    bodyParams["sourcePath"] = input.sourcePath;
-  }
-  return bodyParams;
+  return {
+    ...(input.sourcePath !== undefined && { sourcePath: input.sourcePath })
+  };
 };
 
 const serializeAws_restJson1_1JobDependency = (
   input: JobDependency,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.jobId !== undefined) {
-    bodyParams["jobId"] = input.jobId;
-  }
-  if (input.type !== undefined) {
-    bodyParams["type"] = input.type;
-  }
-  return bodyParams;
+  return {
+    ...(input.jobId !== undefined && { jobId: input.jobId }),
+    ...(input.type !== undefined && { type: input.type })
+  };
 };
 
 const serializeAws_restJson1_1JobDependencyList = (
@@ -2283,73 +2220,62 @@ const serializeAws_restJson1_1JobTimeout = (
   input: JobTimeout,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.attemptDurationSeconds !== undefined) {
-    bodyParams["attemptDurationSeconds"] = input.attemptDurationSeconds;
-  }
-  return bodyParams;
+  return {
+    ...(input.attemptDurationSeconds !== undefined && {
+      attemptDurationSeconds: input.attemptDurationSeconds
+    })
+  };
 };
 
 const serializeAws_restJson1_1KeyValuePair = (
   input: KeyValuePair,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  if (input.value !== undefined) {
-    bodyParams["value"] = input.value;
-  }
-  return bodyParams;
+  return {
+    ...(input.name !== undefined && { name: input.name }),
+    ...(input.value !== undefined && { value: input.value })
+  };
 };
 
 const serializeAws_restJson1_1LaunchTemplateSpecification = (
   input: LaunchTemplateSpecification,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.launchTemplateId !== undefined) {
-    bodyParams["launchTemplateId"] = input.launchTemplateId;
-  }
-  if (input.launchTemplateName !== undefined) {
-    bodyParams["launchTemplateName"] = input.launchTemplateName;
-  }
-  if (input.version !== undefined) {
-    bodyParams["version"] = input.version;
-  }
-  return bodyParams;
+  return {
+    ...(input.launchTemplateId !== undefined && {
+      launchTemplateId: input.launchTemplateId
+    }),
+    ...(input.launchTemplateName !== undefined && {
+      launchTemplateName: input.launchTemplateName
+    }),
+    ...(input.version !== undefined && { version: input.version })
+  };
 };
 
 const serializeAws_restJson1_1LinuxParameters = (
   input: LinuxParameters,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.devices !== undefined) {
-    bodyParams["devices"] = serializeAws_restJson1_1DevicesList(
-      input.devices,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.devices !== undefined && {
+      devices: serializeAws_restJson1_1DevicesList(input.devices, context)
+    })
+  };
 };
 
 const serializeAws_restJson1_1MountPoint = (
   input: MountPoint,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.containerPath !== undefined) {
-    bodyParams["containerPath"] = input.containerPath;
-  }
-  if (input.readOnly !== undefined) {
-    bodyParams["readOnly"] = input.readOnly;
-  }
-  if (input.sourceVolume !== undefined) {
-    bodyParams["sourceVolume"] = input.sourceVolume;
-  }
-  return bodyParams;
+  return {
+    ...(input.containerPath !== undefined && {
+      containerPath: input.containerPath
+    }),
+    ...(input.readOnly !== undefined && { readOnly: input.readOnly }),
+    ...(input.sourceVolume !== undefined && {
+      sourceVolume: input.sourceVolume
+    })
+  };
 };
 
 const serializeAws_restJson1_1MountPoints = (
@@ -2363,60 +2289,46 @@ const serializeAws_restJson1_1NodeOverrides = (
   input: NodeOverrides,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.nodePropertyOverrides !== undefined) {
-    bodyParams[
-      "nodePropertyOverrides"
-    ] = serializeAws_restJson1_1NodePropertyOverrides(
-      input.nodePropertyOverrides,
-      context
-    );
-  }
-  if (input.numNodes !== undefined) {
-    bodyParams["numNodes"] = input.numNodes;
-  }
-  return bodyParams;
+  return {
+    ...(input.nodePropertyOverrides !== undefined && {
+      nodePropertyOverrides: serializeAws_restJson1_1NodePropertyOverrides(
+        input.nodePropertyOverrides,
+        context
+      )
+    }),
+    ...(input.numNodes !== undefined && { numNodes: input.numNodes })
+  };
 };
 
 const serializeAws_restJson1_1NodeProperties = (
   input: NodeProperties,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.mainNode !== undefined) {
-    bodyParams["mainNode"] = input.mainNode;
-  }
-  if (input.nodeRangeProperties !== undefined) {
-    bodyParams[
-      "nodeRangeProperties"
-    ] = serializeAws_restJson1_1NodeRangeProperties(
-      input.nodeRangeProperties,
-      context
-    );
-  }
-  if (input.numNodes !== undefined) {
-    bodyParams["numNodes"] = input.numNodes;
-  }
-  return bodyParams;
+  return {
+    ...(input.mainNode !== undefined && { mainNode: input.mainNode }),
+    ...(input.nodeRangeProperties !== undefined && {
+      nodeRangeProperties: serializeAws_restJson1_1NodeRangeProperties(
+        input.nodeRangeProperties,
+        context
+      )
+    }),
+    ...(input.numNodes !== undefined && { numNodes: input.numNodes })
+  };
 };
 
 const serializeAws_restJson1_1NodePropertyOverride = (
   input: NodePropertyOverride,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.containerOverrides !== undefined) {
-    bodyParams[
-      "containerOverrides"
-    ] = serializeAws_restJson1_1ContainerOverrides(
-      input.containerOverrides,
-      context
-    );
-  }
-  if (input.targetNodes !== undefined) {
-    bodyParams["targetNodes"] = input.targetNodes;
-  }
-  return bodyParams;
+  return {
+    ...(input.containerOverrides !== undefined && {
+      containerOverrides: serializeAws_restJson1_1ContainerOverrides(
+        input.containerOverrides,
+        context
+      )
+    }),
+    ...(input.targetNodes !== undefined && { targetNodes: input.targetNodes })
+  };
 };
 
 const serializeAws_restJson1_1NodePropertyOverrides = (
@@ -2441,17 +2353,15 @@ const serializeAws_restJson1_1NodeRangeProperty = (
   input: NodeRangeProperty,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.container !== undefined) {
-    bodyParams["container"] = serializeAws_restJson1_1ContainerProperties(
-      input.container,
-      context
-    );
-  }
-  if (input.targetNodes !== undefined) {
-    bodyParams["targetNodes"] = input.targetNodes;
-  }
-  return bodyParams;
+  return {
+    ...(input.container !== undefined && {
+      container: serializeAws_restJson1_1ContainerProperties(
+        input.container,
+        context
+      )
+    }),
+    ...(input.targetNodes !== undefined && { targetNodes: input.targetNodes })
+  };
 };
 
 const serializeAws_restJson1_1ParametersMap = (
@@ -2468,14 +2378,10 @@ const serializeAws_restJson1_1ResourceRequirement = (
   input: ResourceRequirement,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.type !== undefined) {
-    bodyParams["type"] = input.type;
-  }
-  if (input.value !== undefined) {
-    bodyParams["value"] = input.value;
-  }
-  return bodyParams;
+  return {
+    ...(input.type !== undefined && { type: input.type }),
+    ...(input.value !== undefined && { value: input.value })
+  };
 };
 
 const serializeAws_restJson1_1ResourceRequirements = (
@@ -2491,11 +2397,9 @@ const serializeAws_restJson1_1RetryStrategy = (
   input: RetryStrategy,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.attempts !== undefined) {
-    bodyParams["attempts"] = input.attempts;
-  }
-  return bodyParams;
+  return {
+    ...(input.attempts !== undefined && { attempts: input.attempts })
+  };
 };
 
 const serializeAws_restJson1_1StringList = (
@@ -2519,17 +2423,11 @@ const serializeAws_restJson1_1Ulimit = (
   input: Ulimit,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.hardLimit !== undefined) {
-    bodyParams["hardLimit"] = input.hardLimit;
-  }
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  if (input.softLimit !== undefined) {
-    bodyParams["softLimit"] = input.softLimit;
-  }
-  return bodyParams;
+  return {
+    ...(input.hardLimit !== undefined && { hardLimit: input.hardLimit }),
+    ...(input.name !== undefined && { name: input.name }),
+    ...(input.softLimit !== undefined && { softLimit: input.softLimit })
+  };
 };
 
 const serializeAws_restJson1_1Ulimits = (
@@ -2543,14 +2441,12 @@ const serializeAws_restJson1_1Volume = (
   input: Volume,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.host !== undefined) {
-    bodyParams["host"] = serializeAws_restJson1_1Host(input.host, context);
-  }
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  return bodyParams;
+  return {
+    ...(input.host !== undefined && {
+      host: serializeAws_restJson1_1Host(input.host, context)
+    }),
+    ...(input.name !== undefined && { name: input.name })
+  };
 };
 
 const serializeAws_restJson1_1Volumes = (
diff --git a/clients/client-budgets/protocols/Aws_json1_1.ts b/clients/client-budgets/protocols/Aws_json1_1.ts
index 6f37ad1d29fd..5289b6d85803 100644
--- a/clients/client-budgets/protocols/Aws_json1_1.ts
+++ b/clients/client-budgets/protocols/Aws_json1_1.ts
@@ -1970,78 +1970,52 @@ const serializeAws_json1_1Budget = (
   input: Budget,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.BudgetLimit !== undefined) {
-    bodyParams["BudgetLimit"] = serializeAws_json1_1Spend(
-      input.BudgetLimit,
-      context
-    );
-  }
-  if (input.BudgetName !== undefined) {
-    bodyParams["BudgetName"] = input.BudgetName;
-  }
-  if (input.BudgetType !== undefined) {
-    bodyParams["BudgetType"] = input.BudgetType;
-  }
-  if (input.CalculatedSpend !== undefined) {
-    bodyParams["CalculatedSpend"] = serializeAws_json1_1CalculatedSpend(
-      input.CalculatedSpend,
-      context
-    );
-  }
-  if (input.CostFilters !== undefined) {
-    bodyParams["CostFilters"] = serializeAws_json1_1CostFilters(
-      input.CostFilters,
-      context
-    );
-  }
-  if (input.CostTypes !== undefined) {
-    bodyParams["CostTypes"] = serializeAws_json1_1CostTypes(
-      input.CostTypes,
-      context
-    );
-  }
-  if (input.LastUpdatedTime !== undefined) {
-    bodyParams["LastUpdatedTime"] = Math.round(
-      input.LastUpdatedTime.getTime() / 1000
-    );
-  }
-  if (input.PlannedBudgetLimits !== undefined) {
-    bodyParams["PlannedBudgetLimits"] = serializeAws_json1_1PlannedBudgetLimits(
-      input.PlannedBudgetLimits,
-      context
-    );
-  }
-  if (input.TimePeriod !== undefined) {
-    bodyParams["TimePeriod"] = serializeAws_json1_1TimePeriod(
-      input.TimePeriod,
-      context
-    );
-  }
-  if (input.TimeUnit !== undefined) {
-    bodyParams["TimeUnit"] = input.TimeUnit;
-  }
-  return bodyParams;
+  return {
+    ...(input.BudgetLimit !== undefined && {
+      BudgetLimit: serializeAws_json1_1Spend(input.BudgetLimit, context)
+    }),
+    ...(input.BudgetName !== undefined && { BudgetName: input.BudgetName }),
+    ...(input.BudgetType !== undefined && { BudgetType: input.BudgetType }),
+    ...(input.CalculatedSpend !== undefined && {
+      CalculatedSpend: serializeAws_json1_1CalculatedSpend(
+        input.CalculatedSpend,
+        context
+      )
+    }),
+    ...(input.CostFilters !== undefined && {
+      CostFilters: serializeAws_json1_1CostFilters(input.CostFilters, context)
+    }),
+    ...(input.CostTypes !== undefined && {
+      CostTypes: serializeAws_json1_1CostTypes(input.CostTypes, context)
+    }),
+    ...(input.LastUpdatedTime !== undefined && {
+      LastUpdatedTime: Math.round(input.LastUpdatedTime.getTime() / 1000)
+    }),
+    ...(input.PlannedBudgetLimits !== undefined && {
+      PlannedBudgetLimits: serializeAws_json1_1PlannedBudgetLimits(
+        input.PlannedBudgetLimits,
+        context
+      )
+    }),
+    ...(input.TimePeriod !== undefined && {
+      TimePeriod: serializeAws_json1_1TimePeriod(input.TimePeriod, context)
+    }),
+    ...(input.TimeUnit !== undefined && { TimeUnit: input.TimeUnit })
+  };
 };
 
 const serializeAws_json1_1CalculatedSpend = (
   input: CalculatedSpend,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ActualSpend !== undefined) {
-    bodyParams["ActualSpend"] = serializeAws_json1_1Spend(
-      input.ActualSpend,
-      context
-    );
-  }
-  if (input.ForecastedSpend !== undefined) {
-    bodyParams["ForecastedSpend"] = serializeAws_json1_1Spend(
-      input.ForecastedSpend,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ActualSpend !== undefined && {
+      ActualSpend: serializeAws_json1_1Spend(input.ActualSpend, context)
+    }),
+    ...(input.ForecastedSpend !== undefined && {
+      ForecastedSpend: serializeAws_json1_1Spend(input.ForecastedSpend, context)
+    })
+  };
 };
 
 const serializeAws_json1_1CostFilters = (
@@ -2058,278 +2032,204 @@ const serializeAws_json1_1CostTypes = (
   input: CostTypes,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.IncludeCredit !== undefined) {
-    bodyParams["IncludeCredit"] = input.IncludeCredit;
-  }
-  if (input.IncludeDiscount !== undefined) {
-    bodyParams["IncludeDiscount"] = input.IncludeDiscount;
-  }
-  if (input.IncludeOtherSubscription !== undefined) {
-    bodyParams["IncludeOtherSubscription"] = input.IncludeOtherSubscription;
-  }
-  if (input.IncludeRecurring !== undefined) {
-    bodyParams["IncludeRecurring"] = input.IncludeRecurring;
-  }
-  if (input.IncludeRefund !== undefined) {
-    bodyParams["IncludeRefund"] = input.IncludeRefund;
-  }
-  if (input.IncludeSubscription !== undefined) {
-    bodyParams["IncludeSubscription"] = input.IncludeSubscription;
-  }
-  if (input.IncludeSupport !== undefined) {
-    bodyParams["IncludeSupport"] = input.IncludeSupport;
-  }
-  if (input.IncludeTax !== undefined) {
-    bodyParams["IncludeTax"] = input.IncludeTax;
-  }
-  if (input.IncludeUpfront !== undefined) {
-    bodyParams["IncludeUpfront"] = input.IncludeUpfront;
-  }
-  if (input.UseAmortized !== undefined) {
-    bodyParams["UseAmortized"] = input.UseAmortized;
-  }
-  if (input.UseBlended !== undefined) {
-    bodyParams["UseBlended"] = input.UseBlended;
-  }
-  return bodyParams;
+  return {
+    ...(input.IncludeCredit !== undefined && {
+      IncludeCredit: input.IncludeCredit
+    }),
+    ...(input.IncludeDiscount !== undefined && {
+      IncludeDiscount: input.IncludeDiscount
+    }),
+    ...(input.IncludeOtherSubscription !== undefined && {
+      IncludeOtherSubscription: input.IncludeOtherSubscription
+    }),
+    ...(input.IncludeRecurring !== undefined && {
+      IncludeRecurring: input.IncludeRecurring
+    }),
+    ...(input.IncludeRefund !== undefined && {
+      IncludeRefund: input.IncludeRefund
+    }),
+    ...(input.IncludeSubscription !== undefined && {
+      IncludeSubscription: input.IncludeSubscription
+    }),
+    ...(input.IncludeSupport !== undefined && {
+      IncludeSupport: input.IncludeSupport
+    }),
+    ...(input.IncludeTax !== undefined && { IncludeTax: input.IncludeTax }),
+    ...(input.IncludeUpfront !== undefined && {
+      IncludeUpfront: input.IncludeUpfront
+    }),
+    ...(input.UseAmortized !== undefined && {
+      UseAmortized: input.UseAmortized
+    }),
+    ...(input.UseBlended !== undefined && { UseBlended: input.UseBlended })
+  };
 };
 
 const serializeAws_json1_1CreateBudgetRequest = (
   input: CreateBudgetRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AccountId !== undefined) {
-    bodyParams["AccountId"] = input.AccountId;
-  }
-  if (input.Budget !== undefined) {
-    bodyParams["Budget"] = serializeAws_json1_1Budget(input.Budget, context);
-  }
-  if (input.NotificationsWithSubscribers !== undefined) {
-    bodyParams[
-      "NotificationsWithSubscribers"
-    ] = serializeAws_json1_1NotificationWithSubscribersList(
-      input.NotificationsWithSubscribers,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.AccountId !== undefined && { AccountId: input.AccountId }),
+    ...(input.Budget !== undefined && {
+      Budget: serializeAws_json1_1Budget(input.Budget, context)
+    }),
+    ...(input.NotificationsWithSubscribers !== undefined && {
+      NotificationsWithSubscribers: serializeAws_json1_1NotificationWithSubscribersList(
+        input.NotificationsWithSubscribers,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1CreateNotificationRequest = (
   input: CreateNotificationRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AccountId !== undefined) {
-    bodyParams["AccountId"] = input.AccountId;
-  }
-  if (input.BudgetName !== undefined) {
-    bodyParams["BudgetName"] = input.BudgetName;
-  }
-  if (input.Notification !== undefined) {
-    bodyParams["Notification"] = serializeAws_json1_1Notification(
-      input.Notification,
-      context
-    );
-  }
-  if (input.Subscribers !== undefined) {
-    bodyParams["Subscribers"] = serializeAws_json1_1Subscribers(
-      input.Subscribers,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.AccountId !== undefined && { AccountId: input.AccountId }),
+    ...(input.BudgetName !== undefined && { BudgetName: input.BudgetName }),
+    ...(input.Notification !== undefined && {
+      Notification: serializeAws_json1_1Notification(
+        input.Notification,
+        context
+      )
+    }),
+    ...(input.Subscribers !== undefined && {
+      Subscribers: serializeAws_json1_1Subscribers(input.Subscribers, context)
+    })
+  };
 };
 
 const serializeAws_json1_1CreateSubscriberRequest = (
   input: CreateSubscriberRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AccountId !== undefined) {
-    bodyParams["AccountId"] = input.AccountId;
-  }
-  if (input.BudgetName !== undefined) {
-    bodyParams["BudgetName"] = input.BudgetName;
-  }
-  if (input.Notification !== undefined) {
-    bodyParams["Notification"] = serializeAws_json1_1Notification(
-      input.Notification,
-      context
-    );
-  }
-  if (input.Subscriber !== undefined) {
-    bodyParams["Subscriber"] = serializeAws_json1_1Subscriber(
-      input.Subscriber,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.AccountId !== undefined && { AccountId: input.AccountId }),
+    ...(input.BudgetName !== undefined && { BudgetName: input.BudgetName }),
+    ...(input.Notification !== undefined && {
+      Notification: serializeAws_json1_1Notification(
+        input.Notification,
+        context
+      )
+    }),
+    ...(input.Subscriber !== undefined && {
+      Subscriber: serializeAws_json1_1Subscriber(input.Subscriber, context)
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteBudgetRequest = (
   input: DeleteBudgetRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AccountId !== undefined) {
-    bodyParams["AccountId"] = input.AccountId;
-  }
-  if (input.BudgetName !== undefined) {
-    bodyParams["BudgetName"] = input.BudgetName;
-  }
-  return bodyParams;
+  return {
+    ...(input.AccountId !== undefined && { AccountId: input.AccountId }),
+    ...(input.BudgetName !== undefined && { BudgetName: input.BudgetName })
+  };
 };
 
 const serializeAws_json1_1DeleteNotificationRequest = (
   input: DeleteNotificationRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AccountId !== undefined) {
-    bodyParams["AccountId"] = input.AccountId;
-  }
-  if (input.BudgetName !== undefined) {
-    bodyParams["BudgetName"] = input.BudgetName;
-  }
-  if (input.Notification !== undefined) {
-    bodyParams["Notification"] = serializeAws_json1_1Notification(
-      input.Notification,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.AccountId !== undefined && { AccountId: input.AccountId }),
+    ...(input.BudgetName !== undefined && { BudgetName: input.BudgetName }),
+    ...(input.Notification !== undefined && {
+      Notification: serializeAws_json1_1Notification(
+        input.Notification,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteSubscriberRequest = (
   input: DeleteSubscriberRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AccountId !== undefined) {
-    bodyParams["AccountId"] = input.AccountId;
-  }
-  if (input.BudgetName !== undefined) {
-    bodyParams["BudgetName"] = input.BudgetName;
-  }
-  if (input.Notification !== undefined) {
-    bodyParams["Notification"] = serializeAws_json1_1Notification(
-      input.Notification,
-      context
-    );
-  }
-  if (input.Subscriber !== undefined) {
-    bodyParams["Subscriber"] = serializeAws_json1_1Subscriber(
-      input.Subscriber,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.AccountId !== undefined && { AccountId: input.AccountId }),
+    ...(input.BudgetName !== undefined && { BudgetName: input.BudgetName }),
+    ...(input.Notification !== undefined && {
+      Notification: serializeAws_json1_1Notification(
+        input.Notification,
+        context
+      )
+    }),
+    ...(input.Subscriber !== undefined && {
+      Subscriber: serializeAws_json1_1Subscriber(input.Subscriber, context)
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeBudgetPerformanceHistoryRequest = (
   input: DescribeBudgetPerformanceHistoryRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AccountId !== undefined) {
-    bodyParams["AccountId"] = input.AccountId;
-  }
-  if (input.BudgetName !== undefined) {
-    bodyParams["BudgetName"] = input.BudgetName;
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.TimePeriod !== undefined) {
-    bodyParams["TimePeriod"] = serializeAws_json1_1TimePeriod(
-      input.TimePeriod,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.AccountId !== undefined && { AccountId: input.AccountId }),
+    ...(input.BudgetName !== undefined && { BudgetName: input.BudgetName }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.TimePeriod !== undefined && {
+      TimePeriod: serializeAws_json1_1TimePeriod(input.TimePeriod, context)
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeBudgetRequest = (
   input: DescribeBudgetRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AccountId !== undefined) {
-    bodyParams["AccountId"] = input.AccountId;
-  }
-  if (input.BudgetName !== undefined) {
-    bodyParams["BudgetName"] = input.BudgetName;
-  }
-  return bodyParams;
+  return {
+    ...(input.AccountId !== undefined && { AccountId: input.AccountId }),
+    ...(input.BudgetName !== undefined && { BudgetName: input.BudgetName })
+  };
 };
 
 const serializeAws_json1_1DescribeBudgetsRequest = (
   input: DescribeBudgetsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AccountId !== undefined) {
-    bodyParams["AccountId"] = input.AccountId;
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.AccountId !== undefined && { AccountId: input.AccountId }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1DescribeNotificationsForBudgetRequest = (
   input: DescribeNotificationsForBudgetRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AccountId !== undefined) {
-    bodyParams["AccountId"] = input.AccountId;
-  }
-  if (input.BudgetName !== undefined) {
-    bodyParams["BudgetName"] = input.BudgetName;
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.AccountId !== undefined && { AccountId: input.AccountId }),
+    ...(input.BudgetName !== undefined && { BudgetName: input.BudgetName }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1DescribeSubscribersForNotificationRequest = (
   input: DescribeSubscribersForNotificationRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AccountId !== undefined) {
-    bodyParams["AccountId"] = input.AccountId;
-  }
-  if (input.BudgetName !== undefined) {
-    bodyParams["BudgetName"] = input.BudgetName;
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.Notification !== undefined) {
-    bodyParams["Notification"] = serializeAws_json1_1Notification(
-      input.Notification,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.AccountId !== undefined && { AccountId: input.AccountId }),
+    ...(input.BudgetName !== undefined && { BudgetName: input.BudgetName }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.Notification !== undefined && {
+      Notification: serializeAws_json1_1Notification(
+        input.Notification,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1DimensionValues = (
@@ -2343,43 +2243,38 @@ const serializeAws_json1_1Notification = (
   input: Notification,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ComparisonOperator !== undefined) {
-    bodyParams["ComparisonOperator"] = input.ComparisonOperator;
-  }
-  if (input.NotificationState !== undefined) {
-    bodyParams["NotificationState"] = input.NotificationState;
-  }
-  if (input.NotificationType !== undefined) {
-    bodyParams["NotificationType"] = input.NotificationType;
-  }
-  if (input.Threshold !== undefined) {
-    bodyParams["Threshold"] = input.Threshold;
-  }
-  if (input.ThresholdType !== undefined) {
-    bodyParams["ThresholdType"] = input.ThresholdType;
-  }
-  return bodyParams;
+  return {
+    ...(input.ComparisonOperator !== undefined && {
+      ComparisonOperator: input.ComparisonOperator
+    }),
+    ...(input.NotificationState !== undefined && {
+      NotificationState: input.NotificationState
+    }),
+    ...(input.NotificationType !== undefined && {
+      NotificationType: input.NotificationType
+    }),
+    ...(input.Threshold !== undefined && { Threshold: input.Threshold }),
+    ...(input.ThresholdType !== undefined && {
+      ThresholdType: input.ThresholdType
+    })
+  };
 };
 
 const serializeAws_json1_1NotificationWithSubscribers = (
   input: NotificationWithSubscribers,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Notification !== undefined) {
-    bodyParams["Notification"] = serializeAws_json1_1Notification(
-      input.Notification,
-      context
-    );
-  }
-  if (input.Subscribers !== undefined) {
-    bodyParams["Subscribers"] = serializeAws_json1_1Subscribers(
-      input.Subscribers,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Notification !== undefined && {
+      Notification: serializeAws_json1_1Notification(
+        input.Notification,
+        context
+      )
+    }),
+    ...(input.Subscribers !== undefined && {
+      Subscribers: serializeAws_json1_1Subscribers(input.Subscribers, context)
+    })
+  };
 };
 
 const serializeAws_json1_1NotificationWithSubscribersList = (
@@ -2405,28 +2300,22 @@ const serializeAws_json1_1Spend = (
   input: Spend,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Amount !== undefined) {
-    bodyParams["Amount"] = input.Amount;
-  }
-  if (input.Unit !== undefined) {
-    bodyParams["Unit"] = input.Unit;
-  }
-  return bodyParams;
+  return {
+    ...(input.Amount !== undefined && { Amount: input.Amount }),
+    ...(input.Unit !== undefined && { Unit: input.Unit })
+  };
 };
 
 const serializeAws_json1_1Subscriber = (
   input: Subscriber,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Address !== undefined) {
-    bodyParams["Address"] = input.Address;
-  }
-  if (input.SubscriptionType !== undefined) {
-    bodyParams["SubscriptionType"] = input.SubscriptionType;
-  }
-  return bodyParams;
+  return {
+    ...(input.Address !== undefined && { Address: input.Address }),
+    ...(input.SubscriptionType !== undefined && {
+      SubscriptionType: input.SubscriptionType
+    })
+  };
 };
 
 const serializeAws_json1_1Subscribers = (
@@ -2440,89 +2329,76 @@ const serializeAws_json1_1TimePeriod = (
   input: TimePeriod,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.End !== undefined) {
-    bodyParams["End"] = Math.round(input.End.getTime() / 1000);
-  }
-  if (input.Start !== undefined) {
-    bodyParams["Start"] = Math.round(input.Start.getTime() / 1000);
-  }
-  return bodyParams;
+  return {
+    ...(input.End !== undefined && {
+      End: Math.round(input.End.getTime() / 1000)
+    }),
+    ...(input.Start !== undefined && {
+      Start: Math.round(input.Start.getTime() / 1000)
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateBudgetRequest = (
   input: UpdateBudgetRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AccountId !== undefined) {
-    bodyParams["AccountId"] = input.AccountId;
-  }
-  if (input.NewBudget !== undefined) {
-    bodyParams["NewBudget"] = serializeAws_json1_1Budget(
-      input.NewBudget,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.AccountId !== undefined && { AccountId: input.AccountId }),
+    ...(input.NewBudget !== undefined && {
+      NewBudget: serializeAws_json1_1Budget(input.NewBudget, context)
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateNotificationRequest = (
   input: UpdateNotificationRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AccountId !== undefined) {
-    bodyParams["AccountId"] = input.AccountId;
-  }
-  if (input.BudgetName !== undefined) {
-    bodyParams["BudgetName"] = input.BudgetName;
-  }
-  if (input.NewNotification !== undefined) {
-    bodyParams["NewNotification"] = serializeAws_json1_1Notification(
-      input.NewNotification,
-      context
-    );
-  }
-  if (input.OldNotification !== undefined) {
-    bodyParams["OldNotification"] = serializeAws_json1_1Notification(
-      input.OldNotification,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.AccountId !== undefined && { AccountId: input.AccountId }),
+    ...(input.BudgetName !== undefined && { BudgetName: input.BudgetName }),
+    ...(input.NewNotification !== undefined && {
+      NewNotification: serializeAws_json1_1Notification(
+        input.NewNotification,
+        context
+      )
+    }),
+    ...(input.OldNotification !== undefined && {
+      OldNotification: serializeAws_json1_1Notification(
+        input.OldNotification,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateSubscriberRequest = (
   input: UpdateSubscriberRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AccountId !== undefined) {
-    bodyParams["AccountId"] = input.AccountId;
-  }
-  if (input.BudgetName !== undefined) {
-    bodyParams["BudgetName"] = input.BudgetName;
-  }
-  if (input.NewSubscriber !== undefined) {
-    bodyParams["NewSubscriber"] = serializeAws_json1_1Subscriber(
-      input.NewSubscriber,
-      context
-    );
-  }
-  if (input.Notification !== undefined) {
-    bodyParams["Notification"] = serializeAws_json1_1Notification(
-      input.Notification,
-      context
-    );
-  }
-  if (input.OldSubscriber !== undefined) {
-    bodyParams["OldSubscriber"] = serializeAws_json1_1Subscriber(
-      input.OldSubscriber,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.AccountId !== undefined && { AccountId: input.AccountId }),
+    ...(input.BudgetName !== undefined && { BudgetName: input.BudgetName }),
+    ...(input.NewSubscriber !== undefined && {
+      NewSubscriber: serializeAws_json1_1Subscriber(
+        input.NewSubscriber,
+        context
+      )
+    }),
+    ...(input.Notification !== undefined && {
+      Notification: serializeAws_json1_1Notification(
+        input.Notification,
+        context
+      )
+    }),
+    ...(input.OldSubscriber !== undefined && {
+      OldSubscriber: serializeAws_json1_1Subscriber(
+        input.OldSubscriber,
+        context
+      )
+    })
+  };
 };
 
 const deserializeAws_json1_1AccessDeniedException = (
diff --git a/clients/client-chime/protocols/Aws_restJson1_1.ts b/clients/client-chime/protocols/Aws_restJson1_1.ts
index bd3f8f8a36a3..e4a3dca477b1 100644
--- a/clients/client-chime/protocols/Aws_restJson1_1.ts
+++ b/clients/client-chime/protocols/Aws_restJson1_1.ts
@@ -16818,39 +16818,37 @@ const serializeAws_restJson1_1AccountSettings = (
   input: AccountSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DisableRemoteControl !== undefined) {
-    bodyParams["DisableRemoteControl"] = input.DisableRemoteControl;
-  }
-  if (input.EnableDialOut !== undefined) {
-    bodyParams["EnableDialOut"] = input.EnableDialOut;
-  }
-  return bodyParams;
+  return {
+    ...(input.DisableRemoteControl !== undefined && {
+      DisableRemoteControl: input.DisableRemoteControl
+    }),
+    ...(input.EnableDialOut !== undefined && {
+      EnableDialOut: input.EnableDialOut
+    })
+  };
 };
 
 const serializeAws_restJson1_1AlexaForBusinessMetadata = (
   input: AlexaForBusinessMetadata,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AlexaForBusinessRoomArn !== undefined) {
-    bodyParams["AlexaForBusinessRoomArn"] = input.AlexaForBusinessRoomArn;
-  }
-  if (input.IsAlexaForBusinessEnabled !== undefined) {
-    bodyParams["IsAlexaForBusinessEnabled"] = input.IsAlexaForBusinessEnabled;
-  }
-  return bodyParams;
+  return {
+    ...(input.AlexaForBusinessRoomArn !== undefined && {
+      AlexaForBusinessRoomArn: input.AlexaForBusinessRoomArn
+    }),
+    ...(input.IsAlexaForBusinessEnabled !== undefined && {
+      IsAlexaForBusinessEnabled: input.IsAlexaForBusinessEnabled
+    })
+  };
 };
 
 const serializeAws_restJson1_1BusinessCallingSettings = (
   input: BusinessCallingSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CdrBucket !== undefined) {
-    bodyParams["CdrBucket"] = input.CdrBucket;
-  }
-  return bodyParams;
+  return {
+    ...(input.CdrBucket !== undefined && { CdrBucket: input.CdrBucket })
+  };
 };
 
 const serializeAws_restJson1_1CallingRegionList = (
@@ -16864,11 +16862,11 @@ const serializeAws_restJson1_1CreateAttendeeRequestItem = (
   input: CreateAttendeeRequestItem,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ExternalUserId !== undefined) {
-    bodyParams["ExternalUserId"] = input.ExternalUserId;
-  }
-  return bodyParams;
+  return {
+    ...(input.ExternalUserId !== undefined && {
+      ExternalUserId: input.ExternalUserId
+    })
+  };
 };
 
 const serializeAws_restJson1_1CreateAttendeeRequestItemList = (
@@ -16884,14 +16882,10 @@ const serializeAws_restJson1_1Credential = (
   input: Credential,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Password !== undefined) {
-    bodyParams["Password"] = input.Password;
-  }
-  if (input.Username !== undefined) {
-    bodyParams["Username"] = input.Username;
-  }
-  return bodyParams;
+  return {
+    ...(input.Password !== undefined && { Password: input.Password }),
+    ...(input.Username !== undefined && { Username: input.Username })
+  };
 };
 
 const serializeAws_restJson1_1CredentialList = (
@@ -16912,39 +16906,31 @@ const serializeAws_restJson1_1LoggingConfiguration = (
   input: LoggingConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EnableSIPLogs !== undefined) {
-    bodyParams["EnableSIPLogs"] = input.EnableSIPLogs;
-  }
-  return bodyParams;
+  return {
+    ...(input.EnableSIPLogs !== undefined && {
+      EnableSIPLogs: input.EnableSIPLogs
+    })
+  };
 };
 
 const serializeAws_restJson1_1MeetingNotificationConfiguration = (
   input: MeetingNotificationConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.SnsTopicArn !== undefined) {
-    bodyParams["SnsTopicArn"] = input.SnsTopicArn;
-  }
-  if (input.SqsQueueArn !== undefined) {
-    bodyParams["SqsQueueArn"] = input.SqsQueueArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.SnsTopicArn !== undefined && { SnsTopicArn: input.SnsTopicArn }),
+    ...(input.SqsQueueArn !== undefined && { SqsQueueArn: input.SqsQueueArn })
+  };
 };
 
 const serializeAws_restJson1_1MembershipItem = (
   input: MembershipItem,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MemberId !== undefined) {
-    bodyParams["MemberId"] = input.MemberId;
-  }
-  if (input.Role !== undefined) {
-    bodyParams["Role"] = input.Role;
-  }
-  return bodyParams;
+  return {
+    ...(input.MemberId !== undefined && { MemberId: input.MemberId }),
+    ...(input.Role !== undefined && { Role: input.Role })
+  };
 };
 
 const serializeAws_restJson1_1MembershipItemList = (
@@ -16967,40 +16953,28 @@ const serializeAws_restJson1_1Origination = (
   input: Origination,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Disabled !== undefined) {
-    bodyParams["Disabled"] = input.Disabled;
-  }
-  if (input.Routes !== undefined) {
-    bodyParams["Routes"] = serializeAws_restJson1_1OriginationRouteList(
-      input.Routes,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Disabled !== undefined && { Disabled: input.Disabled }),
+    ...(input.Routes !== undefined && {
+      Routes: serializeAws_restJson1_1OriginationRouteList(
+        input.Routes,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1OriginationRoute = (
   input: OriginationRoute,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Host !== undefined) {
-    bodyParams["Host"] = input.Host;
-  }
-  if (input.Port !== undefined) {
-    bodyParams["Port"] = input.Port;
-  }
-  if (input.Priority !== undefined) {
-    bodyParams["Priority"] = input.Priority;
-  }
-  if (input.Protocol !== undefined) {
-    bodyParams["Protocol"] = input.Protocol;
-  }
-  if (input.Weight !== undefined) {
-    bodyParams["Weight"] = input.Weight;
-  }
-  return bodyParams;
+  return {
+    ...(input.Host !== undefined && { Host: input.Host }),
+    ...(input.Port !== undefined && { Port: input.Port }),
+    ...(input.Priority !== undefined && { Priority: input.Priority }),
+    ...(input.Protocol !== undefined && { Protocol: input.Protocol }),
+    ...(input.Weight !== undefined && { Weight: input.Weight })
+  };
 };
 
 const serializeAws_restJson1_1OriginationRouteList = (
@@ -17023,11 +16997,9 @@ const serializeAws_restJson1_1SigninDelegateGroup = (
   input: SigninDelegateGroup,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.GroupName !== undefined) {
-    bodyParams["GroupName"] = input.GroupName;
-  }
-  return bodyParams;
+  return {
+    ...(input.GroupName !== undefined && { GroupName: input.GroupName })
+  };
 };
 
 const serializeAws_restJson1_1SigninDelegateGroupList = (
@@ -17043,14 +17015,12 @@ const serializeAws_restJson1_1StreamingConfiguration = (
   input: StreamingConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DataRetentionInHours !== undefined) {
-    bodyParams["DataRetentionInHours"] = input.DataRetentionInHours;
-  }
-  if (input.Disabled !== undefined) {
-    bodyParams["Disabled"] = input.Disabled;
-  }
-  return bodyParams;
+  return {
+    ...(input.DataRetentionInHours !== undefined && {
+      DataRetentionInHours: input.DataRetentionInHours
+    }),
+    ...(input.Disabled !== undefined && { Disabled: input.Disabled })
+  };
 };
 
 const serializeAws_restJson1_1StringList = (
@@ -17064,63 +17034,53 @@ const serializeAws_restJson1_1TelephonySettings = (
   input: TelephonySettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.InboundCalling !== undefined) {
-    bodyParams["InboundCalling"] = input.InboundCalling;
-  }
-  if (input.OutboundCalling !== undefined) {
-    bodyParams["OutboundCalling"] = input.OutboundCalling;
-  }
-  if (input.SMS !== undefined) {
-    bodyParams["SMS"] = input.SMS;
-  }
-  return bodyParams;
+  return {
+    ...(input.InboundCalling !== undefined && {
+      InboundCalling: input.InboundCalling
+    }),
+    ...(input.OutboundCalling !== undefined && {
+      OutboundCalling: input.OutboundCalling
+    }),
+    ...(input.SMS !== undefined && { SMS: input.SMS })
+  };
 };
 
 const serializeAws_restJson1_1Termination = (
   input: Termination,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CallingRegions !== undefined) {
-    bodyParams["CallingRegions"] = serializeAws_restJson1_1CallingRegionList(
-      input.CallingRegions,
-      context
-    );
-  }
-  if (input.CidrAllowedList !== undefined) {
-    bodyParams["CidrAllowedList"] = serializeAws_restJson1_1StringList(
-      input.CidrAllowedList,
-      context
-    );
-  }
-  if (input.CpsLimit !== undefined) {
-    bodyParams["CpsLimit"] = input.CpsLimit;
-  }
-  if (input.DefaultPhoneNumber !== undefined) {
-    bodyParams["DefaultPhoneNumber"] = input.DefaultPhoneNumber;
-  }
-  if (input.Disabled !== undefined) {
-    bodyParams["Disabled"] = input.Disabled;
-  }
-  return bodyParams;
+  return {
+    ...(input.CallingRegions !== undefined && {
+      CallingRegions: serializeAws_restJson1_1CallingRegionList(
+        input.CallingRegions,
+        context
+      )
+    }),
+    ...(input.CidrAllowedList !== undefined && {
+      CidrAllowedList: serializeAws_restJson1_1StringList(
+        input.CidrAllowedList,
+        context
+      )
+    }),
+    ...(input.CpsLimit !== undefined && { CpsLimit: input.CpsLimit }),
+    ...(input.DefaultPhoneNumber !== undefined && {
+      DefaultPhoneNumber: input.DefaultPhoneNumber
+    }),
+    ...(input.Disabled !== undefined && { Disabled: input.Disabled })
+  };
 };
 
 const serializeAws_restJson1_1UpdatePhoneNumberRequestItem = (
   input: UpdatePhoneNumberRequestItem,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CallingName !== undefined) {
-    bodyParams["CallingName"] = input.CallingName;
-  }
-  if (input.PhoneNumberId !== undefined) {
-    bodyParams["PhoneNumberId"] = input.PhoneNumberId;
-  }
-  if (input.ProductType !== undefined) {
-    bodyParams["ProductType"] = input.ProductType;
-  }
-  return bodyParams;
+  return {
+    ...(input.CallingName !== undefined && { CallingName: input.CallingName }),
+    ...(input.PhoneNumberId !== undefined && {
+      PhoneNumberId: input.PhoneNumberId
+    }),
+    ...(input.ProductType !== undefined && { ProductType: input.ProductType })
+  };
 };
 
 const serializeAws_restJson1_1UpdatePhoneNumberRequestItemList = (
@@ -17136,25 +17096,17 @@ const serializeAws_restJson1_1UpdateUserRequestItem = (
   input: UpdateUserRequestItem,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AlexaForBusinessMetadata !== undefined) {
-    bodyParams[
-      "AlexaForBusinessMetadata"
-    ] = serializeAws_restJson1_1AlexaForBusinessMetadata(
-      input.AlexaForBusinessMetadata,
-      context
-    );
-  }
-  if (input.LicenseType !== undefined) {
-    bodyParams["LicenseType"] = input.LicenseType;
-  }
-  if (input.UserId !== undefined) {
-    bodyParams["UserId"] = input.UserId;
-  }
-  if (input.UserType !== undefined) {
-    bodyParams["UserType"] = input.UserType;
-  }
-  return bodyParams;
+  return {
+    ...(input.AlexaForBusinessMetadata !== undefined && {
+      AlexaForBusinessMetadata: serializeAws_restJson1_1AlexaForBusinessMetadata(
+        input.AlexaForBusinessMetadata,
+        context
+      )
+    }),
+    ...(input.LicenseType !== undefined && { LicenseType: input.LicenseType }),
+    ...(input.UserId !== undefined && { UserId: input.UserId }),
+    ...(input.UserType !== undefined && { UserType: input.UserType })
+  };
 };
 
 const serializeAws_restJson1_1UpdateUserRequestItemList = (
@@ -17184,28 +17136,26 @@ const serializeAws_restJson1_1UserSettings = (
   input: UserSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Telephony !== undefined) {
-    bodyParams["Telephony"] = serializeAws_restJson1_1TelephonySettings(
-      input.Telephony,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Telephony !== undefined && {
+      Telephony: serializeAws_restJson1_1TelephonySettings(
+        input.Telephony,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1VoiceConnectorItem = (
   input: VoiceConnectorItem,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Priority !== undefined) {
-    bodyParams["Priority"] = input.Priority;
-  }
-  if (input.VoiceConnectorId !== undefined) {
-    bodyParams["VoiceConnectorId"] = input.VoiceConnectorId;
-  }
-  return bodyParams;
+  return {
+    ...(input.Priority !== undefined && { Priority: input.Priority }),
+    ...(input.VoiceConnectorId !== undefined && {
+      VoiceConnectorId: input.VoiceConnectorId
+    })
+  };
 };
 
 const serializeAws_restJson1_1VoiceConnectorItemList = (
@@ -17221,11 +17171,9 @@ const serializeAws_restJson1_1VoiceConnectorSettings = (
   input: VoiceConnectorSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CdrBucket !== undefined) {
-    bodyParams["CdrBucket"] = input.CdrBucket;
-  }
-  return bodyParams;
+  return {
+    ...(input.CdrBucket !== undefined && { CdrBucket: input.CdrBucket })
+  };
 };
 
 const deserializeAws_restJson1_1Account = (
diff --git a/clients/client-cloud9/protocols/Aws_json1_1.ts b/clients/client-cloud9/protocols/Aws_json1_1.ts
index a180df0456f4..5f5f098002d3 100644
--- a/clients/client-cloud9/protocols/Aws_json1_1.ts
+++ b/clients/client-cloud9/protocols/Aws_json1_1.ts
@@ -1672,136 +1672,112 @@ const serializeAws_json1_1CreateEnvironmentEC2Request = (
   input: CreateEnvironmentEC2Request,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.automaticStopTimeMinutes !== undefined) {
-    bodyParams["automaticStopTimeMinutes"] = input.automaticStopTimeMinutes;
-  }
-  if (input.clientRequestToken !== undefined) {
-    bodyParams["clientRequestToken"] = input.clientRequestToken;
-  }
-  if (input.description !== undefined) {
-    bodyParams["description"] = input.description;
-  }
-  if (input.instanceType !== undefined) {
-    bodyParams["instanceType"] = input.instanceType;
-  }
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  if (input.ownerArn !== undefined) {
-    bodyParams["ownerArn"] = input.ownerArn;
-  }
-  if (input.subnetId !== undefined) {
-    bodyParams["subnetId"] = input.subnetId;
-  }
-  return bodyParams;
+  return {
+    ...(input.automaticStopTimeMinutes !== undefined && {
+      automaticStopTimeMinutes: input.automaticStopTimeMinutes
+    }),
+    ...(input.clientRequestToken !== undefined && {
+      clientRequestToken: input.clientRequestToken
+    }),
+    ...(input.description !== undefined && { description: input.description }),
+    ...(input.instanceType !== undefined && {
+      instanceType: input.instanceType
+    }),
+    ...(input.name !== undefined && { name: input.name }),
+    ...(input.ownerArn !== undefined && { ownerArn: input.ownerArn }),
+    ...(input.subnetId !== undefined && { subnetId: input.subnetId })
+  };
 };
 
 const serializeAws_json1_1CreateEnvironmentMembershipRequest = (
   input: CreateEnvironmentMembershipRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.environmentId !== undefined) {
-    bodyParams["environmentId"] = input.environmentId;
-  }
-  if (input.permissions !== undefined) {
-    bodyParams["permissions"] = input.permissions;
-  }
-  if (input.userArn !== undefined) {
-    bodyParams["userArn"] = input.userArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.environmentId !== undefined && {
+      environmentId: input.environmentId
+    }),
+    ...(input.permissions !== undefined && { permissions: input.permissions }),
+    ...(input.userArn !== undefined && { userArn: input.userArn })
+  };
 };
 
 const serializeAws_json1_1DeleteEnvironmentMembershipRequest = (
   input: DeleteEnvironmentMembershipRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.environmentId !== undefined) {
-    bodyParams["environmentId"] = input.environmentId;
-  }
-  if (input.userArn !== undefined) {
-    bodyParams["userArn"] = input.userArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.environmentId !== undefined && {
+      environmentId: input.environmentId
+    }),
+    ...(input.userArn !== undefined && { userArn: input.userArn })
+  };
 };
 
 const serializeAws_json1_1DeleteEnvironmentRequest = (
   input: DeleteEnvironmentRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.environmentId !== undefined) {
-    bodyParams["environmentId"] = input.environmentId;
-  }
-  return bodyParams;
+  return {
+    ...(input.environmentId !== undefined && {
+      environmentId: input.environmentId
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeEnvironmentMembershipsRequest = (
   input: DescribeEnvironmentMembershipsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.environmentId !== undefined) {
-    bodyParams["environmentId"] = input.environmentId;
-  }
-  if (input.maxResults !== undefined) {
-    bodyParams["maxResults"] = input.maxResults;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  if (input.permissions !== undefined) {
-    bodyParams["permissions"] = serializeAws_json1_1PermissionsList(
-      input.permissions,
-      context
-    );
-  }
-  if (input.userArn !== undefined) {
-    bodyParams["userArn"] = input.userArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.environmentId !== undefined && {
+      environmentId: input.environmentId
+    }),
+    ...(input.maxResults !== undefined && { maxResults: input.maxResults }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken }),
+    ...(input.permissions !== undefined && {
+      permissions: serializeAws_json1_1PermissionsList(
+        input.permissions,
+        context
+      )
+    }),
+    ...(input.userArn !== undefined && { userArn: input.userArn })
+  };
 };
 
 const serializeAws_json1_1DescribeEnvironmentStatusRequest = (
   input: DescribeEnvironmentStatusRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.environmentId !== undefined) {
-    bodyParams["environmentId"] = input.environmentId;
-  }
-  return bodyParams;
+  return {
+    ...(input.environmentId !== undefined && {
+      environmentId: input.environmentId
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeEnvironmentsRequest = (
   input: DescribeEnvironmentsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.environmentIds !== undefined) {
-    bodyParams["environmentIds"] = serializeAws_json1_1BoundedEnvironmentIdList(
-      input.environmentIds,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.environmentIds !== undefined && {
+      environmentIds: serializeAws_json1_1BoundedEnvironmentIdList(
+        input.environmentIds,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1ListEnvironmentsRequest = (
   input: ListEnvironmentsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.maxResults !== undefined) {
-    bodyParams["maxResults"] = input.maxResults;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.maxResults !== undefined && { maxResults: input.maxResults }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken })
+  };
 };
 
 const serializeAws_json1_1PermissionsList = (
@@ -1815,34 +1791,26 @@ const serializeAws_json1_1UpdateEnvironmentMembershipRequest = (
   input: UpdateEnvironmentMembershipRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.environmentId !== undefined) {
-    bodyParams["environmentId"] = input.environmentId;
-  }
-  if (input.permissions !== undefined) {
-    bodyParams["permissions"] = input.permissions;
-  }
-  if (input.userArn !== undefined) {
-    bodyParams["userArn"] = input.userArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.environmentId !== undefined && {
+      environmentId: input.environmentId
+    }),
+    ...(input.permissions !== undefined && { permissions: input.permissions }),
+    ...(input.userArn !== undefined && { userArn: input.userArn })
+  };
 };
 
 const serializeAws_json1_1UpdateEnvironmentRequest = (
   input: UpdateEnvironmentRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.description !== undefined) {
-    bodyParams["description"] = input.description;
-  }
-  if (input.environmentId !== undefined) {
-    bodyParams["environmentId"] = input.environmentId;
-  }
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  return bodyParams;
+  return {
+    ...(input.description !== undefined && { description: input.description }),
+    ...(input.environmentId !== undefined && {
+      environmentId: input.environmentId
+    }),
+    ...(input.name !== undefined && { name: input.name })
+  };
 };
 
 const deserializeAws_json1_1BadRequestException = (
diff --git a/clients/client-clouddirectory/protocols/Aws_restJson1_1.ts b/clients/client-clouddirectory/protocols/Aws_restJson1_1.ts
index 115a819e3edc..cf6136f734a8 100644
--- a/clients/client-clouddirectory/protocols/Aws_restJson1_1.ts
+++ b/clients/client-clouddirectory/protocols/Aws_restJson1_1.ts
@@ -13267,37 +13267,25 @@ const serializeAws_restJson1_1AttributeKey = (
   input: AttributeKey,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.FacetName !== undefined) {
-    bodyParams["FacetName"] = input.FacetName;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.SchemaArn !== undefined) {
-    bodyParams["SchemaArn"] = input.SchemaArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.FacetName !== undefined && { FacetName: input.FacetName }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.SchemaArn !== undefined && { SchemaArn: input.SchemaArn })
+  };
 };
 
 const serializeAws_restJson1_1AttributeKeyAndValue = (
   input: AttributeKeyAndValue,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Key !== undefined) {
-    bodyParams["Key"] = serializeAws_restJson1_1AttributeKey(
-      input.Key,
-      context
-    );
-  }
-  if (input.Value !== undefined) {
-    bodyParams["Value"] = serializeAws_restJson1_1TypedAttributeValue(
-      input.Value,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Key !== undefined && {
+      Key: serializeAws_restJson1_1AttributeKey(input.Key, context)
+    }),
+    ...(input.Value !== undefined && {
+      Value: serializeAws_restJson1_1TypedAttributeValue(input.Value, context)
+    })
+  };
 };
 
 const serializeAws_restJson1_1AttributeKeyAndValueList = (
@@ -13322,17 +13310,14 @@ const serializeAws_restJson1_1AttributeNameAndValue = (
   input: AttributeNameAndValue,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AttributeName !== undefined) {
-    bodyParams["AttributeName"] = input.AttributeName;
-  }
-  if (input.Value !== undefined) {
-    bodyParams["Value"] = serializeAws_restJson1_1TypedAttributeValue(
-      input.Value,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.AttributeName !== undefined && {
+      AttributeName: input.AttributeName
+    }),
+    ...(input.Value !== undefined && {
+      Value: serializeAws_restJson1_1TypedAttributeValue(input.Value, context)
+    })
+  };
 };
 
 const serializeAws_restJson1_1AttributeNameAndValueList = (
@@ -13355,730 +13340,624 @@ const serializeAws_restJson1_1BatchAddFacetToObject = (
   input: BatchAddFacetToObject,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ObjectAttributeList !== undefined) {
-    bodyParams[
-      "ObjectAttributeList"
-    ] = serializeAws_restJson1_1AttributeKeyAndValueList(
-      input.ObjectAttributeList,
-      context
-    );
-  }
-  if (input.ObjectReference !== undefined) {
-    bodyParams["ObjectReference"] = serializeAws_restJson1_1ObjectReference(
-      input.ObjectReference,
-      context
-    );
-  }
-  if (input.SchemaFacet !== undefined) {
-    bodyParams["SchemaFacet"] = serializeAws_restJson1_1SchemaFacet(
-      input.SchemaFacet,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ObjectAttributeList !== undefined && {
+      ObjectAttributeList: serializeAws_restJson1_1AttributeKeyAndValueList(
+        input.ObjectAttributeList,
+        context
+      )
+    }),
+    ...(input.ObjectReference !== undefined && {
+      ObjectReference: serializeAws_restJson1_1ObjectReference(
+        input.ObjectReference,
+        context
+      )
+    }),
+    ...(input.SchemaFacet !== undefined && {
+      SchemaFacet: serializeAws_restJson1_1SchemaFacet(
+        input.SchemaFacet,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1BatchAttachObject = (
   input: BatchAttachObject,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ChildReference !== undefined) {
-    bodyParams["ChildReference"] = serializeAws_restJson1_1ObjectReference(
-      input.ChildReference,
-      context
-    );
-  }
-  if (input.LinkName !== undefined) {
-    bodyParams["LinkName"] = input.LinkName;
-  }
-  if (input.ParentReference !== undefined) {
-    bodyParams["ParentReference"] = serializeAws_restJson1_1ObjectReference(
-      input.ParentReference,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ChildReference !== undefined && {
+      ChildReference: serializeAws_restJson1_1ObjectReference(
+        input.ChildReference,
+        context
+      )
+    }),
+    ...(input.LinkName !== undefined && { LinkName: input.LinkName }),
+    ...(input.ParentReference !== undefined && {
+      ParentReference: serializeAws_restJson1_1ObjectReference(
+        input.ParentReference,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1BatchAttachPolicy = (
   input: BatchAttachPolicy,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ObjectReference !== undefined) {
-    bodyParams["ObjectReference"] = serializeAws_restJson1_1ObjectReference(
-      input.ObjectReference,
-      context
-    );
-  }
-  if (input.PolicyReference !== undefined) {
-    bodyParams["PolicyReference"] = serializeAws_restJson1_1ObjectReference(
-      input.PolicyReference,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ObjectReference !== undefined && {
+      ObjectReference: serializeAws_restJson1_1ObjectReference(
+        input.ObjectReference,
+        context
+      )
+    }),
+    ...(input.PolicyReference !== undefined && {
+      PolicyReference: serializeAws_restJson1_1ObjectReference(
+        input.PolicyReference,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1BatchAttachToIndex = (
   input: BatchAttachToIndex,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.IndexReference !== undefined) {
-    bodyParams["IndexReference"] = serializeAws_restJson1_1ObjectReference(
-      input.IndexReference,
-      context
-    );
-  }
-  if (input.TargetReference !== undefined) {
-    bodyParams["TargetReference"] = serializeAws_restJson1_1ObjectReference(
-      input.TargetReference,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.IndexReference !== undefined && {
+      IndexReference: serializeAws_restJson1_1ObjectReference(
+        input.IndexReference,
+        context
+      )
+    }),
+    ...(input.TargetReference !== undefined && {
+      TargetReference: serializeAws_restJson1_1ObjectReference(
+        input.TargetReference,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1BatchAttachTypedLink = (
   input: BatchAttachTypedLink,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Attributes !== undefined) {
-    bodyParams[
-      "Attributes"
-    ] = serializeAws_restJson1_1AttributeNameAndValueList(
-      input.Attributes,
-      context
-    );
-  }
-  if (input.SourceObjectReference !== undefined) {
-    bodyParams[
-      "SourceObjectReference"
-    ] = serializeAws_restJson1_1ObjectReference(
-      input.SourceObjectReference,
-      context
-    );
-  }
-  if (input.TargetObjectReference !== undefined) {
-    bodyParams[
-      "TargetObjectReference"
-    ] = serializeAws_restJson1_1ObjectReference(
-      input.TargetObjectReference,
-      context
-    );
-  }
-  if (input.TypedLinkFacet !== undefined) {
-    bodyParams[
-      "TypedLinkFacet"
-    ] = serializeAws_restJson1_1TypedLinkSchemaAndFacetName(
-      input.TypedLinkFacet,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Attributes !== undefined && {
+      Attributes: serializeAws_restJson1_1AttributeNameAndValueList(
+        input.Attributes,
+        context
+      )
+    }),
+    ...(input.SourceObjectReference !== undefined && {
+      SourceObjectReference: serializeAws_restJson1_1ObjectReference(
+        input.SourceObjectReference,
+        context
+      )
+    }),
+    ...(input.TargetObjectReference !== undefined && {
+      TargetObjectReference: serializeAws_restJson1_1ObjectReference(
+        input.TargetObjectReference,
+        context
+      )
+    }),
+    ...(input.TypedLinkFacet !== undefined && {
+      TypedLinkFacet: serializeAws_restJson1_1TypedLinkSchemaAndFacetName(
+        input.TypedLinkFacet,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1BatchCreateIndex = (
   input: BatchCreateIndex,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.BatchReferenceName !== undefined) {
-    bodyParams["BatchReferenceName"] = input.BatchReferenceName;
-  }
-  if (input.IsUnique !== undefined) {
-    bodyParams["IsUnique"] = input.IsUnique;
-  }
-  if (input.LinkName !== undefined) {
-    bodyParams["LinkName"] = input.LinkName;
-  }
-  if (input.OrderedIndexedAttributeList !== undefined) {
-    bodyParams[
-      "OrderedIndexedAttributeList"
-    ] = serializeAws_restJson1_1AttributeKeyList(
-      input.OrderedIndexedAttributeList,
-      context
-    );
-  }
-  if (input.ParentReference !== undefined) {
-    bodyParams["ParentReference"] = serializeAws_restJson1_1ObjectReference(
-      input.ParentReference,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.BatchReferenceName !== undefined && {
+      BatchReferenceName: input.BatchReferenceName
+    }),
+    ...(input.IsUnique !== undefined && { IsUnique: input.IsUnique }),
+    ...(input.LinkName !== undefined && { LinkName: input.LinkName }),
+    ...(input.OrderedIndexedAttributeList !== undefined && {
+      OrderedIndexedAttributeList: serializeAws_restJson1_1AttributeKeyList(
+        input.OrderedIndexedAttributeList,
+        context
+      )
+    }),
+    ...(input.ParentReference !== undefined && {
+      ParentReference: serializeAws_restJson1_1ObjectReference(
+        input.ParentReference,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1BatchCreateObject = (
   input: BatchCreateObject,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.BatchReferenceName !== undefined) {
-    bodyParams["BatchReferenceName"] = input.BatchReferenceName;
-  }
-  if (input.LinkName !== undefined) {
-    bodyParams["LinkName"] = input.LinkName;
-  }
-  if (input.ObjectAttributeList !== undefined) {
-    bodyParams[
-      "ObjectAttributeList"
-    ] = serializeAws_restJson1_1AttributeKeyAndValueList(
-      input.ObjectAttributeList,
-      context
-    );
-  }
-  if (input.ParentReference !== undefined) {
-    bodyParams["ParentReference"] = serializeAws_restJson1_1ObjectReference(
-      input.ParentReference,
-      context
-    );
-  }
-  if (input.SchemaFacet !== undefined) {
-    bodyParams["SchemaFacet"] = serializeAws_restJson1_1SchemaFacetList(
-      input.SchemaFacet,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.BatchReferenceName !== undefined && {
+      BatchReferenceName: input.BatchReferenceName
+    }),
+    ...(input.LinkName !== undefined && { LinkName: input.LinkName }),
+    ...(input.ObjectAttributeList !== undefined && {
+      ObjectAttributeList: serializeAws_restJson1_1AttributeKeyAndValueList(
+        input.ObjectAttributeList,
+        context
+      )
+    }),
+    ...(input.ParentReference !== undefined && {
+      ParentReference: serializeAws_restJson1_1ObjectReference(
+        input.ParentReference,
+        context
+      )
+    }),
+    ...(input.SchemaFacet !== undefined && {
+      SchemaFacet: serializeAws_restJson1_1SchemaFacetList(
+        input.SchemaFacet,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1BatchDeleteObject = (
   input: BatchDeleteObject,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ObjectReference !== undefined) {
-    bodyParams["ObjectReference"] = serializeAws_restJson1_1ObjectReference(
-      input.ObjectReference,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ObjectReference !== undefined && {
+      ObjectReference: serializeAws_restJson1_1ObjectReference(
+        input.ObjectReference,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1BatchDetachFromIndex = (
   input: BatchDetachFromIndex,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.IndexReference !== undefined) {
-    bodyParams["IndexReference"] = serializeAws_restJson1_1ObjectReference(
-      input.IndexReference,
-      context
-    );
-  }
-  if (input.TargetReference !== undefined) {
-    bodyParams["TargetReference"] = serializeAws_restJson1_1ObjectReference(
-      input.TargetReference,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.IndexReference !== undefined && {
+      IndexReference: serializeAws_restJson1_1ObjectReference(
+        input.IndexReference,
+        context
+      )
+    }),
+    ...(input.TargetReference !== undefined && {
+      TargetReference: serializeAws_restJson1_1ObjectReference(
+        input.TargetReference,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1BatchDetachObject = (
   input: BatchDetachObject,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.BatchReferenceName !== undefined) {
-    bodyParams["BatchReferenceName"] = input.BatchReferenceName;
-  }
-  if (input.LinkName !== undefined) {
-    bodyParams["LinkName"] = input.LinkName;
-  }
-  if (input.ParentReference !== undefined) {
-    bodyParams["ParentReference"] = serializeAws_restJson1_1ObjectReference(
-      input.ParentReference,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.BatchReferenceName !== undefined && {
+      BatchReferenceName: input.BatchReferenceName
+    }),
+    ...(input.LinkName !== undefined && { LinkName: input.LinkName }),
+    ...(input.ParentReference !== undefined && {
+      ParentReference: serializeAws_restJson1_1ObjectReference(
+        input.ParentReference,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1BatchDetachPolicy = (
   input: BatchDetachPolicy,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ObjectReference !== undefined) {
-    bodyParams["ObjectReference"] = serializeAws_restJson1_1ObjectReference(
-      input.ObjectReference,
-      context
-    );
-  }
-  if (input.PolicyReference !== undefined) {
-    bodyParams["PolicyReference"] = serializeAws_restJson1_1ObjectReference(
-      input.PolicyReference,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ObjectReference !== undefined && {
+      ObjectReference: serializeAws_restJson1_1ObjectReference(
+        input.ObjectReference,
+        context
+      )
+    }),
+    ...(input.PolicyReference !== undefined && {
+      PolicyReference: serializeAws_restJson1_1ObjectReference(
+        input.PolicyReference,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1BatchDetachTypedLink = (
   input: BatchDetachTypedLink,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.TypedLinkSpecifier !== undefined) {
-    bodyParams[
-      "TypedLinkSpecifier"
-    ] = serializeAws_restJson1_1TypedLinkSpecifier(
-      input.TypedLinkSpecifier,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.TypedLinkSpecifier !== undefined && {
+      TypedLinkSpecifier: serializeAws_restJson1_1TypedLinkSpecifier(
+        input.TypedLinkSpecifier,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1BatchGetLinkAttributes = (
   input: BatchGetLinkAttributes,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AttributeNames !== undefined) {
-    bodyParams["AttributeNames"] = serializeAws_restJson1_1AttributeNameList(
-      input.AttributeNames,
-      context
-    );
-  }
-  if (input.TypedLinkSpecifier !== undefined) {
-    bodyParams[
-      "TypedLinkSpecifier"
-    ] = serializeAws_restJson1_1TypedLinkSpecifier(
-      input.TypedLinkSpecifier,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.AttributeNames !== undefined && {
+      AttributeNames: serializeAws_restJson1_1AttributeNameList(
+        input.AttributeNames,
+        context
+      )
+    }),
+    ...(input.TypedLinkSpecifier !== undefined && {
+      TypedLinkSpecifier: serializeAws_restJson1_1TypedLinkSpecifier(
+        input.TypedLinkSpecifier,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1BatchGetObjectAttributes = (
   input: BatchGetObjectAttributes,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AttributeNames !== undefined) {
-    bodyParams["AttributeNames"] = serializeAws_restJson1_1AttributeNameList(
-      input.AttributeNames,
-      context
-    );
-  }
-  if (input.ObjectReference !== undefined) {
-    bodyParams["ObjectReference"] = serializeAws_restJson1_1ObjectReference(
-      input.ObjectReference,
-      context
-    );
-  }
-  if (input.SchemaFacet !== undefined) {
-    bodyParams["SchemaFacet"] = serializeAws_restJson1_1SchemaFacet(
-      input.SchemaFacet,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.AttributeNames !== undefined && {
+      AttributeNames: serializeAws_restJson1_1AttributeNameList(
+        input.AttributeNames,
+        context
+      )
+    }),
+    ...(input.ObjectReference !== undefined && {
+      ObjectReference: serializeAws_restJson1_1ObjectReference(
+        input.ObjectReference,
+        context
+      )
+    }),
+    ...(input.SchemaFacet !== undefined && {
+      SchemaFacet: serializeAws_restJson1_1SchemaFacet(
+        input.SchemaFacet,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1BatchGetObjectInformation = (
   input: BatchGetObjectInformation,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ObjectReference !== undefined) {
-    bodyParams["ObjectReference"] = serializeAws_restJson1_1ObjectReference(
-      input.ObjectReference,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ObjectReference !== undefined && {
+      ObjectReference: serializeAws_restJson1_1ObjectReference(
+        input.ObjectReference,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1BatchListAttachedIndices = (
   input: BatchListAttachedIndices,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.TargetReference !== undefined) {
-    bodyParams["TargetReference"] = serializeAws_restJson1_1ObjectReference(
-      input.TargetReference,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.TargetReference !== undefined && {
+      TargetReference: serializeAws_restJson1_1ObjectReference(
+        input.TargetReference,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1BatchListIncomingTypedLinks = (
   input: BatchListIncomingTypedLinks,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.FilterAttributeRanges !== undefined) {
-    bodyParams[
-      "FilterAttributeRanges"
-    ] = serializeAws_restJson1_1TypedLinkAttributeRangeList(
-      input.FilterAttributeRanges,
-      context
-    );
-  }
-  if (input.FilterTypedLink !== undefined) {
-    bodyParams[
-      "FilterTypedLink"
-    ] = serializeAws_restJson1_1TypedLinkSchemaAndFacetName(
-      input.FilterTypedLink,
-      context
-    );
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.ObjectReference !== undefined) {
-    bodyParams["ObjectReference"] = serializeAws_restJson1_1ObjectReference(
-      input.ObjectReference,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.FilterAttributeRanges !== undefined && {
+      FilterAttributeRanges: serializeAws_restJson1_1TypedLinkAttributeRangeList(
+        input.FilterAttributeRanges,
+        context
+      )
+    }),
+    ...(input.FilterTypedLink !== undefined && {
+      FilterTypedLink: serializeAws_restJson1_1TypedLinkSchemaAndFacetName(
+        input.FilterTypedLink,
+        context
+      )
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.ObjectReference !== undefined && {
+      ObjectReference: serializeAws_restJson1_1ObjectReference(
+        input.ObjectReference,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1BatchListIndex = (
   input: BatchListIndex,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.IndexReference !== undefined) {
-    bodyParams["IndexReference"] = serializeAws_restJson1_1ObjectReference(
-      input.IndexReference,
-      context
-    );
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.RangesOnIndexedValues !== undefined) {
-    bodyParams[
-      "RangesOnIndexedValues"
-    ] = serializeAws_restJson1_1ObjectAttributeRangeList(
-      input.RangesOnIndexedValues,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.IndexReference !== undefined && {
+      IndexReference: serializeAws_restJson1_1ObjectReference(
+        input.IndexReference,
+        context
+      )
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.RangesOnIndexedValues !== undefined && {
+      RangesOnIndexedValues: serializeAws_restJson1_1ObjectAttributeRangeList(
+        input.RangesOnIndexedValues,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1BatchListObjectAttributes = (
   input: BatchListObjectAttributes,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.FacetFilter !== undefined) {
-    bodyParams["FacetFilter"] = serializeAws_restJson1_1SchemaFacet(
-      input.FacetFilter,
-      context
-    );
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.ObjectReference !== undefined) {
-    bodyParams["ObjectReference"] = serializeAws_restJson1_1ObjectReference(
-      input.ObjectReference,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.FacetFilter !== undefined && {
+      FacetFilter: serializeAws_restJson1_1SchemaFacet(
+        input.FacetFilter,
+        context
+      )
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.ObjectReference !== undefined && {
+      ObjectReference: serializeAws_restJson1_1ObjectReference(
+        input.ObjectReference,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1BatchListObjectChildren = (
   input: BatchListObjectChildren,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.ObjectReference !== undefined) {
-    bodyParams["ObjectReference"] = serializeAws_restJson1_1ObjectReference(
-      input.ObjectReference,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.ObjectReference !== undefined && {
+      ObjectReference: serializeAws_restJson1_1ObjectReference(
+        input.ObjectReference,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1BatchListObjectParentPaths = (
   input: BatchListObjectParentPaths,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.ObjectReference !== undefined) {
-    bodyParams["ObjectReference"] = serializeAws_restJson1_1ObjectReference(
-      input.ObjectReference,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.ObjectReference !== undefined && {
+      ObjectReference: serializeAws_restJson1_1ObjectReference(
+        input.ObjectReference,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1BatchListObjectParents = (
   input: BatchListObjectParents,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.ObjectReference !== undefined) {
-    bodyParams["ObjectReference"] = serializeAws_restJson1_1ObjectReference(
-      input.ObjectReference,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.ObjectReference !== undefined && {
+      ObjectReference: serializeAws_restJson1_1ObjectReference(
+        input.ObjectReference,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1BatchListObjectPolicies = (
   input: BatchListObjectPolicies,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.ObjectReference !== undefined) {
-    bodyParams["ObjectReference"] = serializeAws_restJson1_1ObjectReference(
-      input.ObjectReference,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.ObjectReference !== undefined && {
+      ObjectReference: serializeAws_restJson1_1ObjectReference(
+        input.ObjectReference,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1BatchListOutgoingTypedLinks = (
   input: BatchListOutgoingTypedLinks,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.FilterAttributeRanges !== undefined) {
-    bodyParams[
-      "FilterAttributeRanges"
-    ] = serializeAws_restJson1_1TypedLinkAttributeRangeList(
-      input.FilterAttributeRanges,
-      context
-    );
-  }
-  if (input.FilterTypedLink !== undefined) {
-    bodyParams[
-      "FilterTypedLink"
-    ] = serializeAws_restJson1_1TypedLinkSchemaAndFacetName(
-      input.FilterTypedLink,
-      context
-    );
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.ObjectReference !== undefined) {
-    bodyParams["ObjectReference"] = serializeAws_restJson1_1ObjectReference(
-      input.ObjectReference,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.FilterAttributeRanges !== undefined && {
+      FilterAttributeRanges: serializeAws_restJson1_1TypedLinkAttributeRangeList(
+        input.FilterAttributeRanges,
+        context
+      )
+    }),
+    ...(input.FilterTypedLink !== undefined && {
+      FilterTypedLink: serializeAws_restJson1_1TypedLinkSchemaAndFacetName(
+        input.FilterTypedLink,
+        context
+      )
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.ObjectReference !== undefined && {
+      ObjectReference: serializeAws_restJson1_1ObjectReference(
+        input.ObjectReference,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1BatchListPolicyAttachments = (
   input: BatchListPolicyAttachments,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.PolicyReference !== undefined) {
-    bodyParams["PolicyReference"] = serializeAws_restJson1_1ObjectReference(
-      input.PolicyReference,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.PolicyReference !== undefined && {
+      PolicyReference: serializeAws_restJson1_1ObjectReference(
+        input.PolicyReference,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1BatchLookupPolicy = (
   input: BatchLookupPolicy,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.ObjectReference !== undefined) {
-    bodyParams["ObjectReference"] = serializeAws_restJson1_1ObjectReference(
-      input.ObjectReference,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.ObjectReference !== undefined && {
+      ObjectReference: serializeAws_restJson1_1ObjectReference(
+        input.ObjectReference,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1BatchReadOperation = (
   input: BatchReadOperation,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.GetLinkAttributes !== undefined) {
-    bodyParams[
-      "GetLinkAttributes"
-    ] = serializeAws_restJson1_1BatchGetLinkAttributes(
-      input.GetLinkAttributes,
-      context
-    );
-  }
-  if (input.GetObjectAttributes !== undefined) {
-    bodyParams[
-      "GetObjectAttributes"
-    ] = serializeAws_restJson1_1BatchGetObjectAttributes(
-      input.GetObjectAttributes,
-      context
-    );
-  }
-  if (input.GetObjectInformation !== undefined) {
-    bodyParams[
-      "GetObjectInformation"
-    ] = serializeAws_restJson1_1BatchGetObjectInformation(
-      input.GetObjectInformation,
-      context
-    );
-  }
-  if (input.ListAttachedIndices !== undefined) {
-    bodyParams[
-      "ListAttachedIndices"
-    ] = serializeAws_restJson1_1BatchListAttachedIndices(
-      input.ListAttachedIndices,
-      context
-    );
-  }
-  if (input.ListIncomingTypedLinks !== undefined) {
-    bodyParams[
-      "ListIncomingTypedLinks"
-    ] = serializeAws_restJson1_1BatchListIncomingTypedLinks(
-      input.ListIncomingTypedLinks,
-      context
-    );
-  }
-  if (input.ListIndex !== undefined) {
-    bodyParams["ListIndex"] = serializeAws_restJson1_1BatchListIndex(
-      input.ListIndex,
-      context
-    );
-  }
-  if (input.ListObjectAttributes !== undefined) {
-    bodyParams[
-      "ListObjectAttributes"
-    ] = serializeAws_restJson1_1BatchListObjectAttributes(
-      input.ListObjectAttributes,
-      context
-    );
-  }
-  if (input.ListObjectChildren !== undefined) {
-    bodyParams[
-      "ListObjectChildren"
-    ] = serializeAws_restJson1_1BatchListObjectChildren(
-      input.ListObjectChildren,
-      context
-    );
-  }
-  if (input.ListObjectParentPaths !== undefined) {
-    bodyParams[
-      "ListObjectParentPaths"
-    ] = serializeAws_restJson1_1BatchListObjectParentPaths(
-      input.ListObjectParentPaths,
-      context
-    );
-  }
-  if (input.ListObjectParents !== undefined) {
-    bodyParams[
-      "ListObjectParents"
-    ] = serializeAws_restJson1_1BatchListObjectParents(
-      input.ListObjectParents,
-      context
-    );
-  }
-  if (input.ListObjectPolicies !== undefined) {
-    bodyParams[
-      "ListObjectPolicies"
-    ] = serializeAws_restJson1_1BatchListObjectPolicies(
-      input.ListObjectPolicies,
-      context
-    );
-  }
-  if (input.ListOutgoingTypedLinks !== undefined) {
-    bodyParams[
-      "ListOutgoingTypedLinks"
-    ] = serializeAws_restJson1_1BatchListOutgoingTypedLinks(
-      input.ListOutgoingTypedLinks,
-      context
-    );
-  }
-  if (input.ListPolicyAttachments !== undefined) {
-    bodyParams[
-      "ListPolicyAttachments"
-    ] = serializeAws_restJson1_1BatchListPolicyAttachments(
-      input.ListPolicyAttachments,
-      context
-    );
-  }
-  if (input.LookupPolicy !== undefined) {
-    bodyParams["LookupPolicy"] = serializeAws_restJson1_1BatchLookupPolicy(
-      input.LookupPolicy,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.GetLinkAttributes !== undefined && {
+      GetLinkAttributes: serializeAws_restJson1_1BatchGetLinkAttributes(
+        input.GetLinkAttributes,
+        context
+      )
+    }),
+    ...(input.GetObjectAttributes !== undefined && {
+      GetObjectAttributes: serializeAws_restJson1_1BatchGetObjectAttributes(
+        input.GetObjectAttributes,
+        context
+      )
+    }),
+    ...(input.GetObjectInformation !== undefined && {
+      GetObjectInformation: serializeAws_restJson1_1BatchGetObjectInformation(
+        input.GetObjectInformation,
+        context
+      )
+    }),
+    ...(input.ListAttachedIndices !== undefined && {
+      ListAttachedIndices: serializeAws_restJson1_1BatchListAttachedIndices(
+        input.ListAttachedIndices,
+        context
+      )
+    }),
+    ...(input.ListIncomingTypedLinks !== undefined && {
+      ListIncomingTypedLinks: serializeAws_restJson1_1BatchListIncomingTypedLinks(
+        input.ListIncomingTypedLinks,
+        context
+      )
+    }),
+    ...(input.ListIndex !== undefined && {
+      ListIndex: serializeAws_restJson1_1BatchListIndex(
+        input.ListIndex,
+        context
+      )
+    }),
+    ...(input.ListObjectAttributes !== undefined && {
+      ListObjectAttributes: serializeAws_restJson1_1BatchListObjectAttributes(
+        input.ListObjectAttributes,
+        context
+      )
+    }),
+    ...(input.ListObjectChildren !== undefined && {
+      ListObjectChildren: serializeAws_restJson1_1BatchListObjectChildren(
+        input.ListObjectChildren,
+        context
+      )
+    }),
+    ...(input.ListObjectParentPaths !== undefined && {
+      ListObjectParentPaths: serializeAws_restJson1_1BatchListObjectParentPaths(
+        input.ListObjectParentPaths,
+        context
+      )
+    }),
+    ...(input.ListObjectParents !== undefined && {
+      ListObjectParents: serializeAws_restJson1_1BatchListObjectParents(
+        input.ListObjectParents,
+        context
+      )
+    }),
+    ...(input.ListObjectPolicies !== undefined && {
+      ListObjectPolicies: serializeAws_restJson1_1BatchListObjectPolicies(
+        input.ListObjectPolicies,
+        context
+      )
+    }),
+    ...(input.ListOutgoingTypedLinks !== undefined && {
+      ListOutgoingTypedLinks: serializeAws_restJson1_1BatchListOutgoingTypedLinks(
+        input.ListOutgoingTypedLinks,
+        context
+      )
+    }),
+    ...(input.ListPolicyAttachments !== undefined && {
+      ListPolicyAttachments: serializeAws_restJson1_1BatchListPolicyAttachments(
+        input.ListPolicyAttachments,
+        context
+      )
+    }),
+    ...(input.LookupPolicy !== undefined && {
+      LookupPolicy: serializeAws_restJson1_1BatchLookupPolicy(
+        input.LookupPolicy,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1BatchReadOperationList = (
@@ -14094,178 +13973,158 @@ const serializeAws_restJson1_1BatchRemoveFacetFromObject = (
   input: BatchRemoveFacetFromObject,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ObjectReference !== undefined) {
-    bodyParams["ObjectReference"] = serializeAws_restJson1_1ObjectReference(
-      input.ObjectReference,
-      context
-    );
-  }
-  if (input.SchemaFacet !== undefined) {
-    bodyParams["SchemaFacet"] = serializeAws_restJson1_1SchemaFacet(
-      input.SchemaFacet,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ObjectReference !== undefined && {
+      ObjectReference: serializeAws_restJson1_1ObjectReference(
+        input.ObjectReference,
+        context
+      )
+    }),
+    ...(input.SchemaFacet !== undefined && {
+      SchemaFacet: serializeAws_restJson1_1SchemaFacet(
+        input.SchemaFacet,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1BatchUpdateLinkAttributes = (
   input: BatchUpdateLinkAttributes,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AttributeUpdates !== undefined) {
-    bodyParams[
-      "AttributeUpdates"
-    ] = serializeAws_restJson1_1LinkAttributeUpdateList(
-      input.AttributeUpdates,
-      context
-    );
-  }
-  if (input.TypedLinkSpecifier !== undefined) {
-    bodyParams[
-      "TypedLinkSpecifier"
-    ] = serializeAws_restJson1_1TypedLinkSpecifier(
-      input.TypedLinkSpecifier,
-      context
-    );
-  }
-  return bodyParams;
-};
-
-const serializeAws_restJson1_1BatchUpdateObjectAttributes = (
-  input: BatchUpdateObjectAttributes,
-  context: __SerdeContext
-): any => {
-  const bodyParams: any = {};
-  if (input.AttributeUpdates !== undefined) {
-    bodyParams[
-      "AttributeUpdates"
-    ] = serializeAws_restJson1_1ObjectAttributeUpdateList(
-      input.AttributeUpdates,
-      context
-    );
-  }
-  if (input.ObjectReference !== undefined) {
-    bodyParams["ObjectReference"] = serializeAws_restJson1_1ObjectReference(
-      input.ObjectReference,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.AttributeUpdates !== undefined && {
+      AttributeUpdates: serializeAws_restJson1_1LinkAttributeUpdateList(
+        input.AttributeUpdates,
+        context
+      )
+    }),
+    ...(input.TypedLinkSpecifier !== undefined && {
+      TypedLinkSpecifier: serializeAws_restJson1_1TypedLinkSpecifier(
+        input.TypedLinkSpecifier,
+        context
+      )
+    })
+  };
 };
 
-const serializeAws_restJson1_1BatchWriteOperation = (
-  input: BatchWriteOperation,
-  context: __SerdeContext
-): any => {
-  const bodyParams: any = {};
-  if (input.AddFacetToObject !== undefined) {
-    bodyParams[
-      "AddFacetToObject"
-    ] = serializeAws_restJson1_1BatchAddFacetToObject(
-      input.AddFacetToObject,
-      context
-    );
-  }
-  if (input.AttachObject !== undefined) {
-    bodyParams["AttachObject"] = serializeAws_restJson1_1BatchAttachObject(
-      input.AttachObject,
-      context
-    );
-  }
-  if (input.AttachPolicy !== undefined) {
-    bodyParams["AttachPolicy"] = serializeAws_restJson1_1BatchAttachPolicy(
-      input.AttachPolicy,
-      context
-    );
-  }
-  if (input.AttachToIndex !== undefined) {
-    bodyParams["AttachToIndex"] = serializeAws_restJson1_1BatchAttachToIndex(
-      input.AttachToIndex,
-      context
-    );
-  }
-  if (input.AttachTypedLink !== undefined) {
-    bodyParams[
-      "AttachTypedLink"
-    ] = serializeAws_restJson1_1BatchAttachTypedLink(
-      input.AttachTypedLink,
-      context
-    );
-  }
-  if (input.CreateIndex !== undefined) {
-    bodyParams["CreateIndex"] = serializeAws_restJson1_1BatchCreateIndex(
-      input.CreateIndex,
-      context
-    );
-  }
-  if (input.CreateObject !== undefined) {
-    bodyParams["CreateObject"] = serializeAws_restJson1_1BatchCreateObject(
-      input.CreateObject,
-      context
-    );
-  }
-  if (input.DeleteObject !== undefined) {
-    bodyParams["DeleteObject"] = serializeAws_restJson1_1BatchDeleteObject(
-      input.DeleteObject,
-      context
-    );
-  }
-  if (input.DetachFromIndex !== undefined) {
-    bodyParams[
-      "DetachFromIndex"
-    ] = serializeAws_restJson1_1BatchDetachFromIndex(
-      input.DetachFromIndex,
-      context
-    );
-  }
-  if (input.DetachObject !== undefined) {
-    bodyParams["DetachObject"] = serializeAws_restJson1_1BatchDetachObject(
-      input.DetachObject,
-      context
-    );
-  }
-  if (input.DetachPolicy !== undefined) {
-    bodyParams["DetachPolicy"] = serializeAws_restJson1_1BatchDetachPolicy(
-      input.DetachPolicy,
-      context
-    );
-  }
-  if (input.DetachTypedLink !== undefined) {
-    bodyParams[
-      "DetachTypedLink"
-    ] = serializeAws_restJson1_1BatchDetachTypedLink(
-      input.DetachTypedLink,
-      context
-    );
-  }
-  if (input.RemoveFacetFromObject !== undefined) {
-    bodyParams[
-      "RemoveFacetFromObject"
-    ] = serializeAws_restJson1_1BatchRemoveFacetFromObject(
-      input.RemoveFacetFromObject,
-      context
-    );
-  }
-  if (input.UpdateLinkAttributes !== undefined) {
-    bodyParams[
-      "UpdateLinkAttributes"
-    ] = serializeAws_restJson1_1BatchUpdateLinkAttributes(
-      input.UpdateLinkAttributes,
-      context
-    );
-  }
-  if (input.UpdateObjectAttributes !== undefined) {
-    bodyParams[
-      "UpdateObjectAttributes"
-    ] = serializeAws_restJson1_1BatchUpdateObjectAttributes(
-      input.UpdateObjectAttributes,
-      context
-    );
-  }
-  return bodyParams;
+const serializeAws_restJson1_1BatchUpdateObjectAttributes = (
+  input: BatchUpdateObjectAttributes,
+  context: __SerdeContext
+): any => {
+  return {
+    ...(input.AttributeUpdates !== undefined && {
+      AttributeUpdates: serializeAws_restJson1_1ObjectAttributeUpdateList(
+        input.AttributeUpdates,
+        context
+      )
+    }),
+    ...(input.ObjectReference !== undefined && {
+      ObjectReference: serializeAws_restJson1_1ObjectReference(
+        input.ObjectReference,
+        context
+      )
+    })
+  };
+};
+
+const serializeAws_restJson1_1BatchWriteOperation = (
+  input: BatchWriteOperation,
+  context: __SerdeContext
+): any => {
+  return {
+    ...(input.AddFacetToObject !== undefined && {
+      AddFacetToObject: serializeAws_restJson1_1BatchAddFacetToObject(
+        input.AddFacetToObject,
+        context
+      )
+    }),
+    ...(input.AttachObject !== undefined && {
+      AttachObject: serializeAws_restJson1_1BatchAttachObject(
+        input.AttachObject,
+        context
+      )
+    }),
+    ...(input.AttachPolicy !== undefined && {
+      AttachPolicy: serializeAws_restJson1_1BatchAttachPolicy(
+        input.AttachPolicy,
+        context
+      )
+    }),
+    ...(input.AttachToIndex !== undefined && {
+      AttachToIndex: serializeAws_restJson1_1BatchAttachToIndex(
+        input.AttachToIndex,
+        context
+      )
+    }),
+    ...(input.AttachTypedLink !== undefined && {
+      AttachTypedLink: serializeAws_restJson1_1BatchAttachTypedLink(
+        input.AttachTypedLink,
+        context
+      )
+    }),
+    ...(input.CreateIndex !== undefined && {
+      CreateIndex: serializeAws_restJson1_1BatchCreateIndex(
+        input.CreateIndex,
+        context
+      )
+    }),
+    ...(input.CreateObject !== undefined && {
+      CreateObject: serializeAws_restJson1_1BatchCreateObject(
+        input.CreateObject,
+        context
+      )
+    }),
+    ...(input.DeleteObject !== undefined && {
+      DeleteObject: serializeAws_restJson1_1BatchDeleteObject(
+        input.DeleteObject,
+        context
+      )
+    }),
+    ...(input.DetachFromIndex !== undefined && {
+      DetachFromIndex: serializeAws_restJson1_1BatchDetachFromIndex(
+        input.DetachFromIndex,
+        context
+      )
+    }),
+    ...(input.DetachObject !== undefined && {
+      DetachObject: serializeAws_restJson1_1BatchDetachObject(
+        input.DetachObject,
+        context
+      )
+    }),
+    ...(input.DetachPolicy !== undefined && {
+      DetachPolicy: serializeAws_restJson1_1BatchDetachPolicy(
+        input.DetachPolicy,
+        context
+      )
+    }),
+    ...(input.DetachTypedLink !== undefined && {
+      DetachTypedLink: serializeAws_restJson1_1BatchDetachTypedLink(
+        input.DetachTypedLink,
+        context
+      )
+    }),
+    ...(input.RemoveFacetFromObject !== undefined && {
+      RemoveFacetFromObject: serializeAws_restJson1_1BatchRemoveFacetFromObject(
+        input.RemoveFacetFromObject,
+        context
+      )
+    }),
+    ...(input.UpdateLinkAttributes !== undefined && {
+      UpdateLinkAttributes: serializeAws_restJson1_1BatchUpdateLinkAttributes(
+        input.UpdateLinkAttributes,
+        context
+      )
+    }),
+    ...(input.UpdateObjectAttributes !== undefined && {
+      UpdateObjectAttributes: serializeAws_restJson1_1BatchUpdateObjectAttributes(
+        input.UpdateObjectAttributes,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1BatchWriteOperationList = (
@@ -14281,53 +14140,43 @@ const serializeAws_restJson1_1FacetAttribute = (
   input: FacetAttribute,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AttributeDefinition !== undefined) {
-    bodyParams[
-      "AttributeDefinition"
-    ] = serializeAws_restJson1_1FacetAttributeDefinition(
-      input.AttributeDefinition,
-      context
-    );
-  }
-  if (input.AttributeReference !== undefined) {
-    bodyParams[
-      "AttributeReference"
-    ] = serializeAws_restJson1_1FacetAttributeReference(
-      input.AttributeReference,
-      context
-    );
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.RequiredBehavior !== undefined) {
-    bodyParams["RequiredBehavior"] = input.RequiredBehavior;
-  }
-  return bodyParams;
+  return {
+    ...(input.AttributeDefinition !== undefined && {
+      AttributeDefinition: serializeAws_restJson1_1FacetAttributeDefinition(
+        input.AttributeDefinition,
+        context
+      )
+    }),
+    ...(input.AttributeReference !== undefined && {
+      AttributeReference: serializeAws_restJson1_1FacetAttributeReference(
+        input.AttributeReference,
+        context
+      )
+    }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.RequiredBehavior !== undefined && {
+      RequiredBehavior: input.RequiredBehavior
+    })
+  };
 };
 
 const serializeAws_restJson1_1FacetAttributeDefinition = (
   input: FacetAttributeDefinition,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DefaultValue !== undefined) {
-    bodyParams["DefaultValue"] = serializeAws_restJson1_1TypedAttributeValue(
-      input.DefaultValue,
-      context
-    );
-  }
-  if (input.IsImmutable !== undefined) {
-    bodyParams["IsImmutable"] = input.IsImmutable;
-  }
-  if (input.Rules !== undefined) {
-    bodyParams["Rules"] = serializeAws_restJson1_1RuleMap(input.Rules, context);
-  }
-  if (input.Type !== undefined) {
-    bodyParams["Type"] = input.Type;
-  }
-  return bodyParams;
+  return {
+    ...(input.DefaultValue !== undefined && {
+      DefaultValue: serializeAws_restJson1_1TypedAttributeValue(
+        input.DefaultValue,
+        context
+      )
+    }),
+    ...(input.IsImmutable !== undefined && { IsImmutable: input.IsImmutable }),
+    ...(input.Rules !== undefined && {
+      Rules: serializeAws_restJson1_1RuleMap(input.Rules, context)
+    }),
+    ...(input.Type !== undefined && { Type: input.Type })
+  };
 };
 
 const serializeAws_restJson1_1FacetAttributeList = (
@@ -14343,31 +14192,29 @@ const serializeAws_restJson1_1FacetAttributeReference = (
   input: FacetAttributeReference,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.TargetAttributeName !== undefined) {
-    bodyParams["TargetAttributeName"] = input.TargetAttributeName;
-  }
-  if (input.TargetFacetName !== undefined) {
-    bodyParams["TargetFacetName"] = input.TargetFacetName;
-  }
-  return bodyParams;
+  return {
+    ...(input.TargetAttributeName !== undefined && {
+      TargetAttributeName: input.TargetAttributeName
+    }),
+    ...(input.TargetFacetName !== undefined && {
+      TargetFacetName: input.TargetFacetName
+    })
+  };
 };
 
 const serializeAws_restJson1_1FacetAttributeUpdate = (
   input: FacetAttributeUpdate,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Action !== undefined) {
-    bodyParams["Action"] = input.Action;
-  }
-  if (input.Attribute !== undefined) {
-    bodyParams["Attribute"] = serializeAws_restJson1_1FacetAttribute(
-      input.Attribute,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Action !== undefined && { Action: input.Action }),
+    ...(input.Attribute !== undefined && {
+      Attribute: serializeAws_restJson1_1FacetAttribute(
+        input.Attribute,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1FacetAttributeUpdateList = (
@@ -14383,39 +14230,37 @@ const serializeAws_restJson1_1LinkAttributeAction = (
   input: LinkAttributeAction,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AttributeActionType !== undefined) {
-    bodyParams["AttributeActionType"] = input.AttributeActionType;
-  }
-  if (input.AttributeUpdateValue !== undefined) {
-    bodyParams[
-      "AttributeUpdateValue"
-    ] = serializeAws_restJson1_1TypedAttributeValue(
-      input.AttributeUpdateValue,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.AttributeActionType !== undefined && {
+      AttributeActionType: input.AttributeActionType
+    }),
+    ...(input.AttributeUpdateValue !== undefined && {
+      AttributeUpdateValue: serializeAws_restJson1_1TypedAttributeValue(
+        input.AttributeUpdateValue,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1LinkAttributeUpdate = (
   input: LinkAttributeUpdate,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AttributeAction !== undefined) {
-    bodyParams["AttributeAction"] = serializeAws_restJson1_1LinkAttributeAction(
-      input.AttributeAction,
-      context
-    );
-  }
-  if (input.AttributeKey !== undefined) {
-    bodyParams["AttributeKey"] = serializeAws_restJson1_1AttributeKey(
-      input.AttributeKey,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.AttributeAction !== undefined && {
+      AttributeAction: serializeAws_restJson1_1LinkAttributeAction(
+        input.AttributeAction,
+        context
+      )
+    }),
+    ...(input.AttributeKey !== undefined && {
+      AttributeKey: serializeAws_restJson1_1AttributeKey(
+        input.AttributeKey,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1LinkAttributeUpdateList = (
@@ -14431,39 +14276,37 @@ const serializeAws_restJson1_1ObjectAttributeAction = (
   input: ObjectAttributeAction,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ObjectAttributeActionType !== undefined) {
-    bodyParams["ObjectAttributeActionType"] = input.ObjectAttributeActionType;
-  }
-  if (input.ObjectAttributeUpdateValue !== undefined) {
-    bodyParams[
-      "ObjectAttributeUpdateValue"
-    ] = serializeAws_restJson1_1TypedAttributeValue(
-      input.ObjectAttributeUpdateValue,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ObjectAttributeActionType !== undefined && {
+      ObjectAttributeActionType: input.ObjectAttributeActionType
+    }),
+    ...(input.ObjectAttributeUpdateValue !== undefined && {
+      ObjectAttributeUpdateValue: serializeAws_restJson1_1TypedAttributeValue(
+        input.ObjectAttributeUpdateValue,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1ObjectAttributeRange = (
   input: ObjectAttributeRange,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AttributeKey !== undefined) {
-    bodyParams["AttributeKey"] = serializeAws_restJson1_1AttributeKey(
-      input.AttributeKey,
-      context
-    );
-  }
-  if (input.Range !== undefined) {
-    bodyParams["Range"] = serializeAws_restJson1_1TypedAttributeValueRange(
-      input.Range,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.AttributeKey !== undefined && {
+      AttributeKey: serializeAws_restJson1_1AttributeKey(
+        input.AttributeKey,
+        context
+      )
+    }),
+    ...(input.Range !== undefined && {
+      Range: serializeAws_restJson1_1TypedAttributeValueRange(
+        input.Range,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1ObjectAttributeRangeList = (
@@ -14479,22 +14322,20 @@ const serializeAws_restJson1_1ObjectAttributeUpdate = (
   input: ObjectAttributeUpdate,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ObjectAttributeAction !== undefined) {
-    bodyParams[
-      "ObjectAttributeAction"
-    ] = serializeAws_restJson1_1ObjectAttributeAction(
-      input.ObjectAttributeAction,
-      context
-    );
-  }
-  if (input.ObjectAttributeKey !== undefined) {
-    bodyParams["ObjectAttributeKey"] = serializeAws_restJson1_1AttributeKey(
-      input.ObjectAttributeKey,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ObjectAttributeAction !== undefined && {
+      ObjectAttributeAction: serializeAws_restJson1_1ObjectAttributeAction(
+        input.ObjectAttributeAction,
+        context
+      )
+    }),
+    ...(input.ObjectAttributeKey !== undefined && {
+      ObjectAttributeKey: serializeAws_restJson1_1AttributeKey(
+        input.ObjectAttributeKey,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1ObjectAttributeUpdateList = (
@@ -14510,28 +14351,24 @@ const serializeAws_restJson1_1ObjectReference = (
   input: ObjectReference,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Selector !== undefined) {
-    bodyParams["Selector"] = input.Selector;
-  }
-  return bodyParams;
+  return {
+    ...(input.Selector !== undefined && { Selector: input.Selector })
+  };
 };
 
 const serializeAws_restJson1_1Rule = (
   input: Rule,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Parameters !== undefined) {
-    bodyParams["Parameters"] = serializeAws_restJson1_1RuleParameterMap(
-      input.Parameters,
-      context
-    );
-  }
-  if (input.Type !== undefined) {
-    bodyParams["Type"] = input.Type;
-  }
-  return bodyParams;
+  return {
+    ...(input.Parameters !== undefined && {
+      Parameters: serializeAws_restJson1_1RuleParameterMap(
+        input.Parameters,
+        context
+      )
+    }),
+    ...(input.Type !== undefined && { Type: input.Type })
+  };
 };
 
 const serializeAws_restJson1_1RuleMap = (
@@ -14558,14 +14395,10 @@ const serializeAws_restJson1_1SchemaFacet = (
   input: SchemaFacet,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.FacetName !== undefined) {
-    bodyParams["FacetName"] = input.FacetName;
-  }
-  if (input.SchemaArn !== undefined) {
-    bodyParams["SchemaArn"] = input.SchemaArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.FacetName !== undefined && { FacetName: input.FacetName }),
+    ...(input.SchemaArn !== undefined && { SchemaArn: input.SchemaArn })
+  };
 };
 
 const serializeAws_restJson1_1SchemaFacetList = (
@@ -14581,14 +14414,10 @@ const serializeAws_restJson1_1Tag = (
   input: Tag,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Key !== undefined) {
-    bodyParams["Key"] = input.Key;
-  }
-  if (input.Value !== undefined) {
-    bodyParams["Value"] = input.Value;
-  }
-  return bodyParams;
+  return {
+    ...(input.Key !== undefined && { Key: input.Key }),
+    ...(input.Value !== undefined && { Value: input.Value })
+  };
 };
 
 const serializeAws_restJson1_1TagKeyList = (
@@ -14609,80 +14438,64 @@ const serializeAws_restJson1_1TypedAttributeValue = (
   input: TypedAttributeValue,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.BinaryValue !== undefined) {
-    bodyParams["BinaryValue"] = context.base64Encoder(input.BinaryValue);
-  }
-  if (input.BooleanValue !== undefined) {
-    bodyParams["BooleanValue"] = input.BooleanValue;
-  }
-  if (input.DatetimeValue !== undefined) {
-    bodyParams["DatetimeValue"] = Math.round(
-      input.DatetimeValue.getTime() / 1000
-    );
-  }
-  if (input.NumberValue !== undefined) {
-    bodyParams["NumberValue"] = input.NumberValue;
-  }
-  if (input.StringValue !== undefined) {
-    bodyParams["StringValue"] = input.StringValue;
-  }
-  return bodyParams;
+  return {
+    ...(input.BinaryValue !== undefined && {
+      BinaryValue: context.base64Encoder(input.BinaryValue)
+    }),
+    ...(input.BooleanValue !== undefined && {
+      BooleanValue: input.BooleanValue
+    }),
+    ...(input.DatetimeValue !== undefined && {
+      DatetimeValue: Math.round(input.DatetimeValue.getTime() / 1000)
+    }),
+    ...(input.NumberValue !== undefined && { NumberValue: input.NumberValue }),
+    ...(input.StringValue !== undefined && { StringValue: input.StringValue })
+  };
 };
 
 const serializeAws_restJson1_1TypedAttributeValueRange = (
   input: TypedAttributeValueRange,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EndMode !== undefined) {
-    bodyParams["EndMode"] = input.EndMode;
-  }
-  if (input.EndValue !== undefined) {
-    bodyParams["EndValue"] = serializeAws_restJson1_1TypedAttributeValue(
-      input.EndValue,
-      context
-    );
-  }
-  if (input.StartMode !== undefined) {
-    bodyParams["StartMode"] = input.StartMode;
-  }
-  if (input.StartValue !== undefined) {
-    bodyParams["StartValue"] = serializeAws_restJson1_1TypedAttributeValue(
-      input.StartValue,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.EndMode !== undefined && { EndMode: input.EndMode }),
+    ...(input.EndValue !== undefined && {
+      EndValue: serializeAws_restJson1_1TypedAttributeValue(
+        input.EndValue,
+        context
+      )
+    }),
+    ...(input.StartMode !== undefined && { StartMode: input.StartMode }),
+    ...(input.StartValue !== undefined && {
+      StartValue: serializeAws_restJson1_1TypedAttributeValue(
+        input.StartValue,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1TypedLinkAttributeDefinition = (
   input: TypedLinkAttributeDefinition,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DefaultValue !== undefined) {
-    bodyParams["DefaultValue"] = serializeAws_restJson1_1TypedAttributeValue(
-      input.DefaultValue,
-      context
-    );
-  }
-  if (input.IsImmutable !== undefined) {
-    bodyParams["IsImmutable"] = input.IsImmutable;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.RequiredBehavior !== undefined) {
-    bodyParams["RequiredBehavior"] = input.RequiredBehavior;
-  }
-  if (input.Rules !== undefined) {
-    bodyParams["Rules"] = serializeAws_restJson1_1RuleMap(input.Rules, context);
-  }
-  if (input.Type !== undefined) {
-    bodyParams["Type"] = input.Type;
-  }
-  return bodyParams;
+  return {
+    ...(input.DefaultValue !== undefined && {
+      DefaultValue: serializeAws_restJson1_1TypedAttributeValue(
+        input.DefaultValue,
+        context
+      )
+    }),
+    ...(input.IsImmutable !== undefined && { IsImmutable: input.IsImmutable }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.RequiredBehavior !== undefined && {
+      RequiredBehavior: input.RequiredBehavior
+    }),
+    ...(input.Rules !== undefined && {
+      Rules: serializeAws_restJson1_1RuleMap(input.Rules, context)
+    }),
+    ...(input.Type !== undefined && { Type: input.Type })
+  };
 };
 
 const serializeAws_restJson1_1TypedLinkAttributeDefinitionList = (
@@ -14698,17 +14511,17 @@ const serializeAws_restJson1_1TypedLinkAttributeRange = (
   input: TypedLinkAttributeRange,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AttributeName !== undefined) {
-    bodyParams["AttributeName"] = input.AttributeName;
-  }
-  if (input.Range !== undefined) {
-    bodyParams["Range"] = serializeAws_restJson1_1TypedAttributeValueRange(
-      input.Range,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.AttributeName !== undefined && {
+      AttributeName: input.AttributeName
+    }),
+    ...(input.Range !== undefined && {
+      Range: serializeAws_restJson1_1TypedAttributeValueRange(
+        input.Range,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1TypedLinkAttributeRangeList = (
@@ -14724,46 +14537,36 @@ const serializeAws_restJson1_1TypedLinkFacet = (
   input: TypedLinkFacet,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Attributes !== undefined) {
-    bodyParams[
-      "Attributes"
-    ] = serializeAws_restJson1_1TypedLinkAttributeDefinitionList(
-      input.Attributes,
-      context
-    );
-  }
-  if (input.IdentityAttributeOrder !== undefined) {
-    bodyParams[
-      "IdentityAttributeOrder"
-    ] = serializeAws_restJson1_1AttributeNameList(
-      input.IdentityAttributeOrder,
-      context
-    );
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.Attributes !== undefined && {
+      Attributes: serializeAws_restJson1_1TypedLinkAttributeDefinitionList(
+        input.Attributes,
+        context
+      )
+    }),
+    ...(input.IdentityAttributeOrder !== undefined && {
+      IdentityAttributeOrder: serializeAws_restJson1_1AttributeNameList(
+        input.IdentityAttributeOrder,
+        context
+      )
+    }),
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_restJson1_1TypedLinkFacetAttributeUpdate = (
   input: TypedLinkFacetAttributeUpdate,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Action !== undefined) {
-    bodyParams["Action"] = input.Action;
-  }
-  if (input.Attribute !== undefined) {
-    bodyParams[
-      "Attribute"
-    ] = serializeAws_restJson1_1TypedLinkAttributeDefinition(
-      input.Attribute,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Action !== undefined && { Action: input.Action }),
+    ...(input.Attribute !== undefined && {
+      Attribute: serializeAws_restJson1_1TypedLinkAttributeDefinition(
+        input.Attribute,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1TypedLinkFacetAttributeUpdateList = (
@@ -14779,54 +14582,44 @@ const serializeAws_restJson1_1TypedLinkSchemaAndFacetName = (
   input: TypedLinkSchemaAndFacetName,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.SchemaArn !== undefined) {
-    bodyParams["SchemaArn"] = input.SchemaArn;
-  }
-  if (input.TypedLinkName !== undefined) {
-    bodyParams["TypedLinkName"] = input.TypedLinkName;
-  }
-  return bodyParams;
+  return {
+    ...(input.SchemaArn !== undefined && { SchemaArn: input.SchemaArn }),
+    ...(input.TypedLinkName !== undefined && {
+      TypedLinkName: input.TypedLinkName
+    })
+  };
 };
 
 const serializeAws_restJson1_1TypedLinkSpecifier = (
   input: TypedLinkSpecifier,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.IdentityAttributeValues !== undefined) {
-    bodyParams[
-      "IdentityAttributeValues"
-    ] = serializeAws_restJson1_1AttributeNameAndValueList(
-      input.IdentityAttributeValues,
-      context
-    );
-  }
-  if (input.SourceObjectReference !== undefined) {
-    bodyParams[
-      "SourceObjectReference"
-    ] = serializeAws_restJson1_1ObjectReference(
-      input.SourceObjectReference,
-      context
-    );
-  }
-  if (input.TargetObjectReference !== undefined) {
-    bodyParams[
-      "TargetObjectReference"
-    ] = serializeAws_restJson1_1ObjectReference(
-      input.TargetObjectReference,
-      context
-    );
-  }
-  if (input.TypedLinkFacet !== undefined) {
-    bodyParams[
-      "TypedLinkFacet"
-    ] = serializeAws_restJson1_1TypedLinkSchemaAndFacetName(
-      input.TypedLinkFacet,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.IdentityAttributeValues !== undefined && {
+      IdentityAttributeValues: serializeAws_restJson1_1AttributeNameAndValueList(
+        input.IdentityAttributeValues,
+        context
+      )
+    }),
+    ...(input.SourceObjectReference !== undefined && {
+      SourceObjectReference: serializeAws_restJson1_1ObjectReference(
+        input.SourceObjectReference,
+        context
+      )
+    }),
+    ...(input.TargetObjectReference !== undefined && {
+      TargetObjectReference: serializeAws_restJson1_1ObjectReference(
+        input.TargetObjectReference,
+        context
+      )
+    }),
+    ...(input.TypedLinkFacet !== undefined && {
+      TypedLinkFacet: serializeAws_restJson1_1TypedLinkSchemaAndFacetName(
+        input.TypedLinkFacet,
+        context
+      )
+    })
+  };
 };
 
 const deserializeAws_restJson1_1Arns = (
diff --git a/clients/client-cloudhsm-v2/protocols/Aws_json1_1.ts b/clients/client-cloudhsm-v2/protocols/Aws_json1_1.ts
index 336a1a93fa9d..463b1e36427b 100644
--- a/clients/client-cloudhsm-v2/protocols/Aws_json1_1.ts
+++ b/clients/client-cloudhsm-v2/protocols/Aws_json1_1.ts
@@ -1834,136 +1834,105 @@ const serializeAws_json1_1CopyBackupToRegionRequest = (
   input: CopyBackupToRegionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.BackupId !== undefined) {
-    bodyParams["BackupId"] = input.BackupId;
-  }
-  if (input.DestinationRegion !== undefined) {
-    bodyParams["DestinationRegion"] = input.DestinationRegion;
-  }
-  if (input.TagList !== undefined) {
-    bodyParams["TagList"] = serializeAws_json1_1TagList(input.TagList, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.BackupId !== undefined && { BackupId: input.BackupId }),
+    ...(input.DestinationRegion !== undefined && {
+      DestinationRegion: input.DestinationRegion
+    }),
+    ...(input.TagList !== undefined && {
+      TagList: serializeAws_json1_1TagList(input.TagList, context)
+    })
+  };
 };
 
 const serializeAws_json1_1CreateClusterRequest = (
   input: CreateClusterRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.HsmType !== undefined) {
-    bodyParams["HsmType"] = input.HsmType;
-  }
-  if (input.SourceBackupId !== undefined) {
-    bodyParams["SourceBackupId"] = input.SourceBackupId;
-  }
-  if (input.SubnetIds !== undefined) {
-    bodyParams["SubnetIds"] = serializeAws_json1_1SubnetIds(
-      input.SubnetIds,
-      context
-    );
-  }
-  if (input.TagList !== undefined) {
-    bodyParams["TagList"] = serializeAws_json1_1TagList(input.TagList, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.HsmType !== undefined && { HsmType: input.HsmType }),
+    ...(input.SourceBackupId !== undefined && {
+      SourceBackupId: input.SourceBackupId
+    }),
+    ...(input.SubnetIds !== undefined && {
+      SubnetIds: serializeAws_json1_1SubnetIds(input.SubnetIds, context)
+    }),
+    ...(input.TagList !== undefined && {
+      TagList: serializeAws_json1_1TagList(input.TagList, context)
+    })
+  };
 };
 
 const serializeAws_json1_1CreateHsmRequest = (
   input: CreateHsmRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AvailabilityZone !== undefined) {
-    bodyParams["AvailabilityZone"] = input.AvailabilityZone;
-  }
-  if (input.ClusterId !== undefined) {
-    bodyParams["ClusterId"] = input.ClusterId;
-  }
-  if (input.IpAddress !== undefined) {
-    bodyParams["IpAddress"] = input.IpAddress;
-  }
-  return bodyParams;
+  return {
+    ...(input.AvailabilityZone !== undefined && {
+      AvailabilityZone: input.AvailabilityZone
+    }),
+    ...(input.ClusterId !== undefined && { ClusterId: input.ClusterId }),
+    ...(input.IpAddress !== undefined && { IpAddress: input.IpAddress })
+  };
 };
 
 const serializeAws_json1_1DeleteBackupRequest = (
   input: DeleteBackupRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.BackupId !== undefined) {
-    bodyParams["BackupId"] = input.BackupId;
-  }
-  return bodyParams;
+  return {
+    ...(input.BackupId !== undefined && { BackupId: input.BackupId })
+  };
 };
 
 const serializeAws_json1_1DeleteClusterRequest = (
   input: DeleteClusterRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ClusterId !== undefined) {
-    bodyParams["ClusterId"] = input.ClusterId;
-  }
-  return bodyParams;
+  return {
+    ...(input.ClusterId !== undefined && { ClusterId: input.ClusterId })
+  };
 };
 
 const serializeAws_json1_1DeleteHsmRequest = (
   input: DeleteHsmRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ClusterId !== undefined) {
-    bodyParams["ClusterId"] = input.ClusterId;
-  }
-  if (input.EniId !== undefined) {
-    bodyParams["EniId"] = input.EniId;
-  }
-  if (input.EniIp !== undefined) {
-    bodyParams["EniIp"] = input.EniIp;
-  }
-  if (input.HsmId !== undefined) {
-    bodyParams["HsmId"] = input.HsmId;
-  }
-  return bodyParams;
+  return {
+    ...(input.ClusterId !== undefined && { ClusterId: input.ClusterId }),
+    ...(input.EniId !== undefined && { EniId: input.EniId }),
+    ...(input.EniIp !== undefined && { EniIp: input.EniIp }),
+    ...(input.HsmId !== undefined && { HsmId: input.HsmId })
+  };
 };
 
 const serializeAws_json1_1DescribeBackupsRequest = (
   input: DescribeBackupsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Filters !== undefined) {
-    bodyParams["Filters"] = serializeAws_json1_1Filters(input.Filters, context);
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.SortAscending !== undefined) {
-    bodyParams["SortAscending"] = input.SortAscending;
-  }
-  return bodyParams;
+  return {
+    ...(input.Filters !== undefined && {
+      Filters: serializeAws_json1_1Filters(input.Filters, context)
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.SortAscending !== undefined && {
+      SortAscending: input.SortAscending
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeClustersRequest = (
   input: DescribeClustersRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Filters !== undefined) {
-    bodyParams["Filters"] = serializeAws_json1_1Filters(input.Filters, context);
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.Filters !== undefined && {
+      Filters: serializeAws_json1_1Filters(input.Filters, context)
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1Filters = (
@@ -1980,45 +1949,31 @@ const serializeAws_json1_1InitializeClusterRequest = (
   input: InitializeClusterRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ClusterId !== undefined) {
-    bodyParams["ClusterId"] = input.ClusterId;
-  }
-  if (input.SignedCert !== undefined) {
-    bodyParams["SignedCert"] = input.SignedCert;
-  }
-  if (input.TrustAnchor !== undefined) {
-    bodyParams["TrustAnchor"] = input.TrustAnchor;
-  }
-  return bodyParams;
+  return {
+    ...(input.ClusterId !== undefined && { ClusterId: input.ClusterId }),
+    ...(input.SignedCert !== undefined && { SignedCert: input.SignedCert }),
+    ...(input.TrustAnchor !== undefined && { TrustAnchor: input.TrustAnchor })
+  };
 };
 
 const serializeAws_json1_1ListTagsRequest = (
   input: ListTagsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.ResourceId !== undefined) {
-    bodyParams["ResourceId"] = input.ResourceId;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.ResourceId !== undefined && { ResourceId: input.ResourceId })
+  };
 };
 
 const serializeAws_json1_1RestoreBackupRequest = (
   input: RestoreBackupRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.BackupId !== undefined) {
-    bodyParams["BackupId"] = input.BackupId;
-  }
-  return bodyParams;
+  return {
+    ...(input.BackupId !== undefined && { BackupId: input.BackupId })
+  };
 };
 
 const serializeAws_json1_1Strings = (
@@ -2036,14 +1991,10 @@ const serializeAws_json1_1SubnetIds = (
 };
 
 const serializeAws_json1_1Tag = (input: Tag, context: __SerdeContext): any => {
-  const bodyParams: any = {};
-  if (input.Key !== undefined) {
-    bodyParams["Key"] = input.Key;
-  }
-  if (input.Value !== undefined) {
-    bodyParams["Value"] = input.Value;
-  }
-  return bodyParams;
+  return {
+    ...(input.Key !== undefined && { Key: input.Key }),
+    ...(input.Value !== undefined && { Value: input.Value })
+  };
 };
 
 const serializeAws_json1_1TagKeyList = (
@@ -2064,31 +2015,24 @@ const serializeAws_json1_1TagResourceRequest = (
   input: TagResourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceId !== undefined) {
-    bodyParams["ResourceId"] = input.ResourceId;
-  }
-  if (input.TagList !== undefined) {
-    bodyParams["TagList"] = serializeAws_json1_1TagList(input.TagList, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceId !== undefined && { ResourceId: input.ResourceId }),
+    ...(input.TagList !== undefined && {
+      TagList: serializeAws_json1_1TagList(input.TagList, context)
+    })
+  };
 };
 
 const serializeAws_json1_1UntagResourceRequest = (
   input: UntagResourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceId !== undefined) {
-    bodyParams["ResourceId"] = input.ResourceId;
-  }
-  if (input.TagKeyList !== undefined) {
-    bodyParams["TagKeyList"] = serializeAws_json1_1TagKeyList(
-      input.TagKeyList,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceId !== undefined && { ResourceId: input.ResourceId }),
+    ...(input.TagKeyList !== undefined && {
+      TagKeyList: serializeAws_json1_1TagKeyList(input.TagKeyList, context)
+    })
+  };
 };
 
 const deserializeAws_json1_1Backup = (
diff --git a/clients/client-cloudhsm/protocols/Aws_json1_1.ts b/clients/client-cloudhsm/protocols/Aws_json1_1.ts
index 65ddfdbaf3fd..ef10e27fea50 100644
--- a/clients/client-cloudhsm/protocols/Aws_json1_1.ts
+++ b/clients/client-cloudhsm/protocols/Aws_json1_1.ts
@@ -2108,163 +2108,124 @@ const serializeAws_json1_1AddTagsToResourceRequest = (
   input: AddTagsToResourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceArn !== undefined) {
-    bodyParams["ResourceArn"] = input.ResourceArn;
-  }
-  if (input.TagList !== undefined) {
-    bodyParams["TagList"] = serializeAws_json1_1TagList(input.TagList, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceArn !== undefined && { ResourceArn: input.ResourceArn }),
+    ...(input.TagList !== undefined && {
+      TagList: serializeAws_json1_1TagList(input.TagList, context)
+    })
+  };
 };
 
 const serializeAws_json1_1CreateHapgRequest = (
   input: CreateHapgRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Label !== undefined) {
-    bodyParams["Label"] = input.Label;
-  }
-  return bodyParams;
+  return {
+    ...(input.Label !== undefined && { Label: input.Label })
+  };
 };
 
 const serializeAws_json1_1CreateHsmRequest = (
   input: CreateHsmRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ClientToken !== undefined) {
-    bodyParams["ClientToken"] = input.ClientToken;
-  }
-  if (input.EniIp !== undefined) {
-    bodyParams["EniIp"] = input.EniIp;
-  }
-  if (input.ExternalId !== undefined) {
-    bodyParams["ExternalId"] = input.ExternalId;
-  }
-  if (input.IamRoleArn !== undefined) {
-    bodyParams["IamRoleArn"] = input.IamRoleArn;
-  }
-  if (input.SshKey !== undefined) {
-    bodyParams["SshKey"] = input.SshKey;
-  }
-  if (input.SubnetId !== undefined) {
-    bodyParams["SubnetId"] = input.SubnetId;
-  }
-  if (input.SubscriptionType !== undefined) {
-    bodyParams["SubscriptionType"] = input.SubscriptionType;
-  }
-  if (input.SyslogIp !== undefined) {
-    bodyParams["SyslogIp"] = input.SyslogIp;
-  }
-  return bodyParams;
+  return {
+    ...(input.ClientToken !== undefined && { ClientToken: input.ClientToken }),
+    ...(input.EniIp !== undefined && { EniIp: input.EniIp }),
+    ...(input.ExternalId !== undefined && { ExternalId: input.ExternalId }),
+    ...(input.IamRoleArn !== undefined && { IamRoleArn: input.IamRoleArn }),
+    ...(input.SshKey !== undefined && { SshKey: input.SshKey }),
+    ...(input.SubnetId !== undefined && { SubnetId: input.SubnetId }),
+    ...(input.SubscriptionType !== undefined && {
+      SubscriptionType: input.SubscriptionType
+    }),
+    ...(input.SyslogIp !== undefined && { SyslogIp: input.SyslogIp })
+  };
 };
 
 const serializeAws_json1_1CreateLunaClientRequest = (
   input: CreateLunaClientRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Certificate !== undefined) {
-    bodyParams["Certificate"] = input.Certificate;
-  }
-  if (input.Label !== undefined) {
-    bodyParams["Label"] = input.Label;
-  }
-  return bodyParams;
+  return {
+    ...(input.Certificate !== undefined && { Certificate: input.Certificate }),
+    ...(input.Label !== undefined && { Label: input.Label })
+  };
 };
 
 const serializeAws_json1_1DeleteHapgRequest = (
   input: DeleteHapgRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.HapgArn !== undefined) {
-    bodyParams["HapgArn"] = input.HapgArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.HapgArn !== undefined && { HapgArn: input.HapgArn })
+  };
 };
 
 const serializeAws_json1_1DeleteHsmRequest = (
   input: DeleteHsmRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.HsmArn !== undefined) {
-    bodyParams["HsmArn"] = input.HsmArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.HsmArn !== undefined && { HsmArn: input.HsmArn })
+  };
 };
 
 const serializeAws_json1_1DeleteLunaClientRequest = (
   input: DeleteLunaClientRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ClientArn !== undefined) {
-    bodyParams["ClientArn"] = input.ClientArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.ClientArn !== undefined && { ClientArn: input.ClientArn })
+  };
 };
 
 const serializeAws_json1_1DescribeHapgRequest = (
   input: DescribeHapgRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.HapgArn !== undefined) {
-    bodyParams["HapgArn"] = input.HapgArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.HapgArn !== undefined && { HapgArn: input.HapgArn })
+  };
 };
 
 const serializeAws_json1_1DescribeHsmRequest = (
   input: DescribeHsmRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.HsmArn !== undefined) {
-    bodyParams["HsmArn"] = input.HsmArn;
-  }
-  if (input.HsmSerialNumber !== undefined) {
-    bodyParams["HsmSerialNumber"] = input.HsmSerialNumber;
-  }
-  return bodyParams;
+  return {
+    ...(input.HsmArn !== undefined && { HsmArn: input.HsmArn }),
+    ...(input.HsmSerialNumber !== undefined && {
+      HsmSerialNumber: input.HsmSerialNumber
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeLunaClientRequest = (
   input: DescribeLunaClientRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CertificateFingerprint !== undefined) {
-    bodyParams["CertificateFingerprint"] = input.CertificateFingerprint;
-  }
-  if (input.ClientArn !== undefined) {
-    bodyParams["ClientArn"] = input.ClientArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.CertificateFingerprint !== undefined && {
+      CertificateFingerprint: input.CertificateFingerprint
+    }),
+    ...(input.ClientArn !== undefined && { ClientArn: input.ClientArn })
+  };
 };
 
 const serializeAws_json1_1GetConfigRequest = (
   input: GetConfigRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ClientArn !== undefined) {
-    bodyParams["ClientArn"] = input.ClientArn;
-  }
-  if (input.ClientVersion !== undefined) {
-    bodyParams["ClientVersion"] = input.ClientVersion;
-  }
-  if (input.HapgList !== undefined) {
-    bodyParams["HapgList"] = serializeAws_json1_1HapgList(
-      input.HapgList,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ClientArn !== undefined && { ClientArn: input.ClientArn }),
+    ...(input.ClientVersion !== undefined && {
+      ClientVersion: input.ClientVersion
+    }),
+    ...(input.HapgList !== undefined && {
+      HapgList: serializeAws_json1_1HapgList(input.HapgList, context)
+    })
+  };
 };
 
 const serializeAws_json1_1HapgList = (
@@ -2278,112 +2239,83 @@ const serializeAws_json1_1ListAvailableZonesRequest = (
   input: ListAvailableZonesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  return bodyParams;
+  return {};
 };
 
 const serializeAws_json1_1ListHapgsRequest = (
   input: ListHapgsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1ListHsmsRequest = (
   input: ListHsmsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1ListLunaClientsRequest = (
   input: ListLunaClientsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1ListTagsForResourceRequest = (
   input: ListTagsForResourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceArn !== undefined) {
-    bodyParams["ResourceArn"] = input.ResourceArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceArn !== undefined && { ResourceArn: input.ResourceArn })
+  };
 };
 
 const serializeAws_json1_1ModifyHapgRequest = (
   input: ModifyHapgRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.HapgArn !== undefined) {
-    bodyParams["HapgArn"] = input.HapgArn;
-  }
-  if (input.Label !== undefined) {
-    bodyParams["Label"] = input.Label;
-  }
-  if (input.PartitionSerialList !== undefined) {
-    bodyParams["PartitionSerialList"] = serializeAws_json1_1PartitionSerialList(
-      input.PartitionSerialList,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.HapgArn !== undefined && { HapgArn: input.HapgArn }),
+    ...(input.Label !== undefined && { Label: input.Label }),
+    ...(input.PartitionSerialList !== undefined && {
+      PartitionSerialList: serializeAws_json1_1PartitionSerialList(
+        input.PartitionSerialList,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1ModifyHsmRequest = (
   input: ModifyHsmRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EniIp !== undefined) {
-    bodyParams["EniIp"] = input.EniIp;
-  }
-  if (input.ExternalId !== undefined) {
-    bodyParams["ExternalId"] = input.ExternalId;
-  }
-  if (input.HsmArn !== undefined) {
-    bodyParams["HsmArn"] = input.HsmArn;
-  }
-  if (input.IamRoleArn !== undefined) {
-    bodyParams["IamRoleArn"] = input.IamRoleArn;
-  }
-  if (input.SubnetId !== undefined) {
-    bodyParams["SubnetId"] = input.SubnetId;
-  }
-  if (input.SyslogIp !== undefined) {
-    bodyParams["SyslogIp"] = input.SyslogIp;
-  }
-  return bodyParams;
+  return {
+    ...(input.EniIp !== undefined && { EniIp: input.EniIp }),
+    ...(input.ExternalId !== undefined && { ExternalId: input.ExternalId }),
+    ...(input.HsmArn !== undefined && { HsmArn: input.HsmArn }),
+    ...(input.IamRoleArn !== undefined && { IamRoleArn: input.IamRoleArn }),
+    ...(input.SubnetId !== undefined && { SubnetId: input.SubnetId }),
+    ...(input.SyslogIp !== undefined && { SyslogIp: input.SyslogIp })
+  };
 };
 
 const serializeAws_json1_1ModifyLunaClientRequest = (
   input: ModifyLunaClientRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Certificate !== undefined) {
-    bodyParams["Certificate"] = input.Certificate;
-  }
-  if (input.ClientArn !== undefined) {
-    bodyParams["ClientArn"] = input.ClientArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.Certificate !== undefined && { Certificate: input.Certificate }),
+    ...(input.ClientArn !== undefined && { ClientArn: input.ClientArn })
+  };
 };
 
 const serializeAws_json1_1PartitionSerialList = (
@@ -2397,28 +2329,19 @@ const serializeAws_json1_1RemoveTagsFromResourceRequest = (
   input: RemoveTagsFromResourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceArn !== undefined) {
-    bodyParams["ResourceArn"] = input.ResourceArn;
-  }
-  if (input.TagKeyList !== undefined) {
-    bodyParams["TagKeyList"] = serializeAws_json1_1TagKeyList(
-      input.TagKeyList,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceArn !== undefined && { ResourceArn: input.ResourceArn }),
+    ...(input.TagKeyList !== undefined && {
+      TagKeyList: serializeAws_json1_1TagKeyList(input.TagKeyList, context)
+    })
+  };
 };
 
 const serializeAws_json1_1Tag = (input: Tag, context: __SerdeContext): any => {
-  const bodyParams: any = {};
-  if (input.Key !== undefined) {
-    bodyParams["Key"] = input.Key;
-  }
-  if (input.Value !== undefined) {
-    bodyParams["Value"] = input.Value;
-  }
-  return bodyParams;
+  return {
+    ...(input.Key !== undefined && { Key: input.Key }),
+    ...(input.Value !== undefined && { Value: input.Value })
+  };
 };
 
 const serializeAws_json1_1TagKeyList = (
diff --git a/clients/client-cloudtrail/protocols/Aws_json1_1.ts b/clients/client-cloudtrail/protocols/Aws_json1_1.ts
index de666be646e0..a9aaa37bf8ae 100644
--- a/clients/client-cloudtrail/protocols/Aws_json1_1.ts
+++ b/clients/client-cloudtrail/protocols/Aws_json1_1.ts
@@ -3710,81 +3710,62 @@ const serializeAws_json1_1AddTagsRequest = (
   input: AddTagsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceId !== undefined) {
-    bodyParams["ResourceId"] = input.ResourceId;
-  }
-  if (input.TagsList !== undefined) {
-    bodyParams["TagsList"] = serializeAws_json1_1TagsList(
-      input.TagsList,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceId !== undefined && { ResourceId: input.ResourceId }),
+    ...(input.TagsList !== undefined && {
+      TagsList: serializeAws_json1_1TagsList(input.TagsList, context)
+    })
+  };
 };
 
 const serializeAws_json1_1CreateTrailRequest = (
   input: CreateTrailRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CloudWatchLogsLogGroupArn !== undefined) {
-    bodyParams["CloudWatchLogsLogGroupArn"] = input.CloudWatchLogsLogGroupArn;
-  }
-  if (input.CloudWatchLogsRoleArn !== undefined) {
-    bodyParams["CloudWatchLogsRoleArn"] = input.CloudWatchLogsRoleArn;
-  }
-  if (input.EnableLogFileValidation !== undefined) {
-    bodyParams["EnableLogFileValidation"] = input.EnableLogFileValidation;
-  }
-  if (input.IncludeGlobalServiceEvents !== undefined) {
-    bodyParams["IncludeGlobalServiceEvents"] = input.IncludeGlobalServiceEvents;
-  }
-  if (input.IsMultiRegionTrail !== undefined) {
-    bodyParams["IsMultiRegionTrail"] = input.IsMultiRegionTrail;
-  }
-  if (input.IsOrganizationTrail !== undefined) {
-    bodyParams["IsOrganizationTrail"] = input.IsOrganizationTrail;
-  }
-  if (input.KmsKeyId !== undefined) {
-    bodyParams["KmsKeyId"] = input.KmsKeyId;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.S3BucketName !== undefined) {
-    bodyParams["S3BucketName"] = input.S3BucketName;
-  }
-  if (input.S3KeyPrefix !== undefined) {
-    bodyParams["S3KeyPrefix"] = input.S3KeyPrefix;
-  }
-  if (input.SnsTopicName !== undefined) {
-    bodyParams["SnsTopicName"] = input.SnsTopicName;
-  }
-  if (input.TagsList !== undefined) {
-    bodyParams["TagsList"] = serializeAws_json1_1TagsList(
-      input.TagsList,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.CloudWatchLogsLogGroupArn !== undefined && {
+      CloudWatchLogsLogGroupArn: input.CloudWatchLogsLogGroupArn
+    }),
+    ...(input.CloudWatchLogsRoleArn !== undefined && {
+      CloudWatchLogsRoleArn: input.CloudWatchLogsRoleArn
+    }),
+    ...(input.EnableLogFileValidation !== undefined && {
+      EnableLogFileValidation: input.EnableLogFileValidation
+    }),
+    ...(input.IncludeGlobalServiceEvents !== undefined && {
+      IncludeGlobalServiceEvents: input.IncludeGlobalServiceEvents
+    }),
+    ...(input.IsMultiRegionTrail !== undefined && {
+      IsMultiRegionTrail: input.IsMultiRegionTrail
+    }),
+    ...(input.IsOrganizationTrail !== undefined && {
+      IsOrganizationTrail: input.IsOrganizationTrail
+    }),
+    ...(input.KmsKeyId !== undefined && { KmsKeyId: input.KmsKeyId }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.S3BucketName !== undefined && {
+      S3BucketName: input.S3BucketName
+    }),
+    ...(input.S3KeyPrefix !== undefined && { S3KeyPrefix: input.S3KeyPrefix }),
+    ...(input.SnsTopicName !== undefined && {
+      SnsTopicName: input.SnsTopicName
+    }),
+    ...(input.TagsList !== undefined && {
+      TagsList: serializeAws_json1_1TagsList(input.TagsList, context)
+    })
+  };
 };
 
 const serializeAws_json1_1DataResource = (
   input: DataResource,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Type !== undefined) {
-    bodyParams["Type"] = input.Type;
-  }
-  if (input.Values !== undefined) {
-    bodyParams["Values"] = serializeAws_json1_1DataResourceValues(
-      input.Values,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Type !== undefined && { Type: input.Type }),
+    ...(input.Values !== undefined && {
+      Values: serializeAws_json1_1DataResourceValues(input.Values, context)
+    })
+  };
 };
 
 const serializeAws_json1_1DataResourceValues = (
@@ -3805,56 +3786,52 @@ const serializeAws_json1_1DeleteTrailRequest = (
   input: DeleteTrailRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1DescribeTrailsRequest = (
   input: DescribeTrailsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.includeShadowTrails !== undefined) {
-    bodyParams["includeShadowTrails"] = input.includeShadowTrails;
-  }
-  if (input.trailNameList !== undefined) {
-    bodyParams["trailNameList"] = serializeAws_json1_1TrailNameList(
-      input.trailNameList,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.includeShadowTrails !== undefined && {
+      includeShadowTrails: input.includeShadowTrails
+    }),
+    ...(input.trailNameList !== undefined && {
+      trailNameList: serializeAws_json1_1TrailNameList(
+        input.trailNameList,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1EventSelector = (
   input: EventSelector,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DataResources !== undefined) {
-    bodyParams["DataResources"] = serializeAws_json1_1DataResources(
-      input.DataResources,
-      context
-    );
-  }
-  if (input.ExcludeManagementEventSources !== undefined) {
-    bodyParams[
-      "ExcludeManagementEventSources"
-    ] = serializeAws_json1_1ExcludeManagementEventSources(
-      input.ExcludeManagementEventSources,
-      context
-    );
-  }
-  if (input.IncludeManagementEvents !== undefined) {
-    bodyParams["IncludeManagementEvents"] = input.IncludeManagementEvents;
-  }
-  if (input.ReadWriteType !== undefined) {
-    bodyParams["ReadWriteType"] = input.ReadWriteType;
-  }
-  return bodyParams;
+  return {
+    ...(input.DataResources !== undefined && {
+      DataResources: serializeAws_json1_1DataResources(
+        input.DataResources,
+        context
+      )
+    }),
+    ...(input.ExcludeManagementEventSources !== undefined && {
+      ExcludeManagementEventSources: serializeAws_json1_1ExcludeManagementEventSources(
+        input.ExcludeManagementEventSources,
+        context
+      )
+    }),
+    ...(input.IncludeManagementEvents !== undefined && {
+      IncludeManagementEvents: input.IncludeManagementEvents
+    }),
+    ...(input.ReadWriteType !== undefined && {
+      ReadWriteType: input.ReadWriteType
+    })
+  };
 };
 
 const serializeAws_json1_1EventSelectors = (
@@ -3875,55 +3852,45 @@ const serializeAws_json1_1GetEventSelectorsRequest = (
   input: GetEventSelectorsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.TrailName !== undefined) {
-    bodyParams["TrailName"] = input.TrailName;
-  }
-  return bodyParams;
+  return {
+    ...(input.TrailName !== undefined && { TrailName: input.TrailName })
+  };
 };
 
 const serializeAws_json1_1GetInsightSelectorsRequest = (
   input: GetInsightSelectorsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.TrailName !== undefined) {
-    bodyParams["TrailName"] = input.TrailName;
-  }
-  return bodyParams;
+  return {
+    ...(input.TrailName !== undefined && { TrailName: input.TrailName })
+  };
 };
 
 const serializeAws_json1_1GetTrailRequest = (
   input: GetTrailRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1GetTrailStatusRequest = (
   input: GetTrailStatusRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1InsightSelector = (
   input: InsightSelector,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.InsightType !== undefined) {
-    bodyParams["InsightType"] = input.InsightType;
-  }
-  return bodyParams;
+  return {
+    ...(input.InsightType !== undefined && { InsightType: input.InsightType })
+  };
 };
 
 const serializeAws_json1_1InsightSelectors = (
@@ -3939,59 +3906,53 @@ const serializeAws_json1_1ListPublicKeysRequest = (
   input: ListPublicKeysRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EndTime !== undefined) {
-    bodyParams["EndTime"] = Math.round(input.EndTime.getTime() / 1000);
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.StartTime !== undefined) {
-    bodyParams["StartTime"] = Math.round(input.StartTime.getTime() / 1000);
-  }
-  return bodyParams;
+  return {
+    ...(input.EndTime !== undefined && {
+      EndTime: Math.round(input.EndTime.getTime() / 1000)
+    }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.StartTime !== undefined && {
+      StartTime: Math.round(input.StartTime.getTime() / 1000)
+    })
+  };
 };
 
 const serializeAws_json1_1ListTagsRequest = (
   input: ListTagsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.ResourceIdList !== undefined) {
-    bodyParams["ResourceIdList"] = serializeAws_json1_1ResourceIdList(
-      input.ResourceIdList,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.ResourceIdList !== undefined && {
+      ResourceIdList: serializeAws_json1_1ResourceIdList(
+        input.ResourceIdList,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1ListTrailsRequest = (
   input: ListTrailsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1LookupAttribute = (
   input: LookupAttribute,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AttributeKey !== undefined) {
-    bodyParams["AttributeKey"] = input.AttributeKey;
-  }
-  if (input.AttributeValue !== undefined) {
-    bodyParams["AttributeValue"] = input.AttributeValue;
-  }
-  return bodyParams;
+  return {
+    ...(input.AttributeKey !== undefined && {
+      AttributeKey: input.AttributeKey
+    }),
+    ...(input.AttributeValue !== undefined && {
+      AttributeValue: input.AttributeValue
+    })
+  };
 };
 
 const serializeAws_json1_1LookupAttributesList = (
@@ -4007,80 +3968,67 @@ const serializeAws_json1_1LookupEventsRequest = (
   input: LookupEventsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EndTime !== undefined) {
-    bodyParams["EndTime"] = Math.round(input.EndTime.getTime() / 1000);
-  }
-  if (input.EventCategory !== undefined) {
-    bodyParams["EventCategory"] = input.EventCategory;
-  }
-  if (input.LookupAttributes !== undefined) {
-    bodyParams["LookupAttributes"] = serializeAws_json1_1LookupAttributesList(
-      input.LookupAttributes,
-      context
-    );
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.StartTime !== undefined) {
-    bodyParams["StartTime"] = Math.round(input.StartTime.getTime() / 1000);
-  }
-  return bodyParams;
+  return {
+    ...(input.EndTime !== undefined && {
+      EndTime: Math.round(input.EndTime.getTime() / 1000)
+    }),
+    ...(input.EventCategory !== undefined && {
+      EventCategory: input.EventCategory
+    }),
+    ...(input.LookupAttributes !== undefined && {
+      LookupAttributes: serializeAws_json1_1LookupAttributesList(
+        input.LookupAttributes,
+        context
+      )
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.StartTime !== undefined && {
+      StartTime: Math.round(input.StartTime.getTime() / 1000)
+    })
+  };
 };
 
 const serializeAws_json1_1PutEventSelectorsRequest = (
   input: PutEventSelectorsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EventSelectors !== undefined) {
-    bodyParams["EventSelectors"] = serializeAws_json1_1EventSelectors(
-      input.EventSelectors,
-      context
-    );
-  }
-  if (input.TrailName !== undefined) {
-    bodyParams["TrailName"] = input.TrailName;
-  }
-  return bodyParams;
+  return {
+    ...(input.EventSelectors !== undefined && {
+      EventSelectors: serializeAws_json1_1EventSelectors(
+        input.EventSelectors,
+        context
+      )
+    }),
+    ...(input.TrailName !== undefined && { TrailName: input.TrailName })
+  };
 };
 
 const serializeAws_json1_1PutInsightSelectorsRequest = (
   input: PutInsightSelectorsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.InsightSelectors !== undefined) {
-    bodyParams["InsightSelectors"] = serializeAws_json1_1InsightSelectors(
-      input.InsightSelectors,
-      context
-    );
-  }
-  if (input.TrailName !== undefined) {
-    bodyParams["TrailName"] = input.TrailName;
-  }
-  return bodyParams;
+  return {
+    ...(input.InsightSelectors !== undefined && {
+      InsightSelectors: serializeAws_json1_1InsightSelectors(
+        input.InsightSelectors,
+        context
+      )
+    }),
+    ...(input.TrailName !== undefined && { TrailName: input.TrailName })
+  };
 };
 
 const serializeAws_json1_1RemoveTagsRequest = (
   input: RemoveTagsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceId !== undefined) {
-    bodyParams["ResourceId"] = input.ResourceId;
-  }
-  if (input.TagsList !== undefined) {
-    bodyParams["TagsList"] = serializeAws_json1_1TagsList(
-      input.TagsList,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceId !== undefined && { ResourceId: input.ResourceId }),
+    ...(input.TagsList !== undefined && {
+      TagsList: serializeAws_json1_1TagsList(input.TagsList, context)
+    })
+  };
 };
 
 const serializeAws_json1_1ResourceIdList = (
@@ -4094,33 +4042,25 @@ const serializeAws_json1_1StartLoggingRequest = (
   input: StartLoggingRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1StopLoggingRequest = (
   input: StopLoggingRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1Tag = (input: Tag, context: __SerdeContext): any => {
-  const bodyParams: any = {};
-  if (input.Key !== undefined) {
-    bodyParams["Key"] = input.Key;
-  }
-  if (input.Value !== undefined) {
-    bodyParams["Value"] = input.Value;
-  }
-  return bodyParams;
+  return {
+    ...(input.Key !== undefined && { Key: input.Key }),
+    ...(input.Value !== undefined && { Value: input.Value })
+  };
 };
 
 const serializeAws_json1_1TagsList = (
@@ -4141,41 +4081,35 @@ const serializeAws_json1_1UpdateTrailRequest = (
   input: UpdateTrailRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CloudWatchLogsLogGroupArn !== undefined) {
-    bodyParams["CloudWatchLogsLogGroupArn"] = input.CloudWatchLogsLogGroupArn;
-  }
-  if (input.CloudWatchLogsRoleArn !== undefined) {
-    bodyParams["CloudWatchLogsRoleArn"] = input.CloudWatchLogsRoleArn;
-  }
-  if (input.EnableLogFileValidation !== undefined) {
-    bodyParams["EnableLogFileValidation"] = input.EnableLogFileValidation;
-  }
-  if (input.IncludeGlobalServiceEvents !== undefined) {
-    bodyParams["IncludeGlobalServiceEvents"] = input.IncludeGlobalServiceEvents;
-  }
-  if (input.IsMultiRegionTrail !== undefined) {
-    bodyParams["IsMultiRegionTrail"] = input.IsMultiRegionTrail;
-  }
-  if (input.IsOrganizationTrail !== undefined) {
-    bodyParams["IsOrganizationTrail"] = input.IsOrganizationTrail;
-  }
-  if (input.KmsKeyId !== undefined) {
-    bodyParams["KmsKeyId"] = input.KmsKeyId;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.S3BucketName !== undefined) {
-    bodyParams["S3BucketName"] = input.S3BucketName;
-  }
-  if (input.S3KeyPrefix !== undefined) {
-    bodyParams["S3KeyPrefix"] = input.S3KeyPrefix;
-  }
-  if (input.SnsTopicName !== undefined) {
-    bodyParams["SnsTopicName"] = input.SnsTopicName;
-  }
-  return bodyParams;
+  return {
+    ...(input.CloudWatchLogsLogGroupArn !== undefined && {
+      CloudWatchLogsLogGroupArn: input.CloudWatchLogsLogGroupArn
+    }),
+    ...(input.CloudWatchLogsRoleArn !== undefined && {
+      CloudWatchLogsRoleArn: input.CloudWatchLogsRoleArn
+    }),
+    ...(input.EnableLogFileValidation !== undefined && {
+      EnableLogFileValidation: input.EnableLogFileValidation
+    }),
+    ...(input.IncludeGlobalServiceEvents !== undefined && {
+      IncludeGlobalServiceEvents: input.IncludeGlobalServiceEvents
+    }),
+    ...(input.IsMultiRegionTrail !== undefined && {
+      IsMultiRegionTrail: input.IsMultiRegionTrail
+    }),
+    ...(input.IsOrganizationTrail !== undefined && {
+      IsOrganizationTrail: input.IsOrganizationTrail
+    }),
+    ...(input.KmsKeyId !== undefined && { KmsKeyId: input.KmsKeyId }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.S3BucketName !== undefined && {
+      S3BucketName: input.S3BucketName
+    }),
+    ...(input.S3KeyPrefix !== undefined && { S3KeyPrefix: input.S3KeyPrefix }),
+    ...(input.SnsTopicName !== undefined && {
+      SnsTopicName: input.SnsTopicName
+    })
+  };
 };
 
 const deserializeAws_json1_1AddTagsResponse = (
diff --git a/clients/client-cloudwatch-events/protocols/Aws_json1_1.ts b/clients/client-cloudwatch-events/protocols/Aws_json1_1.ts
index a50c71250105..58f84eddf2c7 100644
--- a/clients/client-cloudwatch-events/protocols/Aws_json1_1.ts
+++ b/clients/client-cloudwatch-events/protocols/Aws_json1_1.ts
@@ -3299,286 +3299,231 @@ const serializeAws_json1_1ActivateEventSourceRequest = (
   input: ActivateEventSourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1AwsVpcConfiguration = (
   input: AwsVpcConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AssignPublicIp !== undefined) {
-    bodyParams["AssignPublicIp"] = input.AssignPublicIp;
-  }
-  if (input.SecurityGroups !== undefined) {
-    bodyParams["SecurityGroups"] = serializeAws_json1_1StringList(
-      input.SecurityGroups,
-      context
-    );
-  }
-  if (input.Subnets !== undefined) {
-    bodyParams["Subnets"] = serializeAws_json1_1StringList(
-      input.Subnets,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.AssignPublicIp !== undefined && {
+      AssignPublicIp: input.AssignPublicIp
+    }),
+    ...(input.SecurityGroups !== undefined && {
+      SecurityGroups: serializeAws_json1_1StringList(
+        input.SecurityGroups,
+        context
+      )
+    }),
+    ...(input.Subnets !== undefined && {
+      Subnets: serializeAws_json1_1StringList(input.Subnets, context)
+    })
+  };
 };
 
 const serializeAws_json1_1BatchArrayProperties = (
   input: BatchArrayProperties,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Size !== undefined) {
-    bodyParams["Size"] = input.Size;
-  }
-  return bodyParams;
+  return {
+    ...(input.Size !== undefined && { Size: input.Size })
+  };
 };
 
 const serializeAws_json1_1BatchParameters = (
   input: BatchParameters,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ArrayProperties !== undefined) {
-    bodyParams["ArrayProperties"] = serializeAws_json1_1BatchArrayProperties(
-      input.ArrayProperties,
-      context
-    );
-  }
-  if (input.JobDefinition !== undefined) {
-    bodyParams["JobDefinition"] = input.JobDefinition;
-  }
-  if (input.JobName !== undefined) {
-    bodyParams["JobName"] = input.JobName;
-  }
-  if (input.RetryStrategy !== undefined) {
-    bodyParams["RetryStrategy"] = serializeAws_json1_1BatchRetryStrategy(
-      input.RetryStrategy,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ArrayProperties !== undefined && {
+      ArrayProperties: serializeAws_json1_1BatchArrayProperties(
+        input.ArrayProperties,
+        context
+      )
+    }),
+    ...(input.JobDefinition !== undefined && {
+      JobDefinition: input.JobDefinition
+    }),
+    ...(input.JobName !== undefined && { JobName: input.JobName }),
+    ...(input.RetryStrategy !== undefined && {
+      RetryStrategy: serializeAws_json1_1BatchRetryStrategy(
+        input.RetryStrategy,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1BatchRetryStrategy = (
   input: BatchRetryStrategy,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Attempts !== undefined) {
-    bodyParams["Attempts"] = input.Attempts;
-  }
-  return bodyParams;
+  return {
+    ...(input.Attempts !== undefined && { Attempts: input.Attempts })
+  };
 };
 
 const serializeAws_json1_1Condition = (
   input: Condition,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Key !== undefined) {
-    bodyParams["Key"] = input.Key;
-  }
-  if (input.Type !== undefined) {
-    bodyParams["Type"] = input.Type;
-  }
-  if (input.Value !== undefined) {
-    bodyParams["Value"] = input.Value;
-  }
-  return bodyParams;
+  return {
+    ...(input.Key !== undefined && { Key: input.Key }),
+    ...(input.Type !== undefined && { Type: input.Type }),
+    ...(input.Value !== undefined && { Value: input.Value })
+  };
 };
 
 const serializeAws_json1_1CreateEventBusRequest = (
   input: CreateEventBusRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EventSourceName !== undefined) {
-    bodyParams["EventSourceName"] = input.EventSourceName;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.EventSourceName !== undefined && {
+      EventSourceName: input.EventSourceName
+    }),
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1CreatePartnerEventSourceRequest = (
   input: CreatePartnerEventSourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Account !== undefined) {
-    bodyParams["Account"] = input.Account;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.Account !== undefined && { Account: input.Account }),
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1DeactivateEventSourceRequest = (
   input: DeactivateEventSourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1DeleteEventBusRequest = (
   input: DeleteEventBusRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1DeletePartnerEventSourceRequest = (
   input: DeletePartnerEventSourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Account !== undefined) {
-    bodyParams["Account"] = input.Account;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.Account !== undefined && { Account: input.Account }),
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1DeleteRuleRequest = (
   input: DeleteRuleRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EventBusName !== undefined) {
-    bodyParams["EventBusName"] = input.EventBusName;
-  }
-  if (input.Force !== undefined) {
-    bodyParams["Force"] = input.Force;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.EventBusName !== undefined && {
+      EventBusName: input.EventBusName
+    }),
+    ...(input.Force !== undefined && { Force: input.Force }),
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1DescribeEventBusRequest = (
   input: DescribeEventBusRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1DescribeEventSourceRequest = (
   input: DescribeEventSourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1DescribePartnerEventSourceRequest = (
   input: DescribePartnerEventSourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1DescribeRuleRequest = (
   input: DescribeRuleRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EventBusName !== undefined) {
-    bodyParams["EventBusName"] = input.EventBusName;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.EventBusName !== undefined && {
+      EventBusName: input.EventBusName
+    }),
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1DisableRuleRequest = (
   input: DisableRuleRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EventBusName !== undefined) {
-    bodyParams["EventBusName"] = input.EventBusName;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.EventBusName !== undefined && {
+      EventBusName: input.EventBusName
+    }),
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1EcsParameters = (
   input: EcsParameters,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Group !== undefined) {
-    bodyParams["Group"] = input.Group;
-  }
-  if (input.LaunchType !== undefined) {
-    bodyParams["LaunchType"] = input.LaunchType;
-  }
-  if (input.NetworkConfiguration !== undefined) {
-    bodyParams[
-      "NetworkConfiguration"
-    ] = serializeAws_json1_1NetworkConfiguration(
-      input.NetworkConfiguration,
-      context
-    );
-  }
-  if (input.PlatformVersion !== undefined) {
-    bodyParams["PlatformVersion"] = input.PlatformVersion;
-  }
-  if (input.TaskCount !== undefined) {
-    bodyParams["TaskCount"] = input.TaskCount;
-  }
-  if (input.TaskDefinitionArn !== undefined) {
-    bodyParams["TaskDefinitionArn"] = input.TaskDefinitionArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.Group !== undefined && { Group: input.Group }),
+    ...(input.LaunchType !== undefined && { LaunchType: input.LaunchType }),
+    ...(input.NetworkConfiguration !== undefined && {
+      NetworkConfiguration: serializeAws_json1_1NetworkConfiguration(
+        input.NetworkConfiguration,
+        context
+      )
+    }),
+    ...(input.PlatformVersion !== undefined && {
+      PlatformVersion: input.PlatformVersion
+    }),
+    ...(input.TaskCount !== undefined && { TaskCount: input.TaskCount }),
+    ...(input.TaskDefinitionArn !== undefined && {
+      TaskDefinitionArn: input.TaskDefinitionArn
+    })
+  };
 };
 
 const serializeAws_json1_1EnableRuleRequest = (
   input: EnableRuleRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EventBusName !== undefined) {
-    bodyParams["EventBusName"] = input.EventBusName;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.EventBusName !== undefined && {
+      EventBusName: input.EventBusName
+    }),
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1EventResourceList = (
@@ -3592,224 +3537,173 @@ const serializeAws_json1_1InputTransformer = (
   input: InputTransformer,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.InputPathsMap !== undefined) {
-    bodyParams["InputPathsMap"] = serializeAws_json1_1TransformerPaths(
-      input.InputPathsMap,
-      context
-    );
-  }
-  if (input.InputTemplate !== undefined) {
-    bodyParams["InputTemplate"] = input.InputTemplate;
-  }
-  return bodyParams;
+  return {
+    ...(input.InputPathsMap !== undefined && {
+      InputPathsMap: serializeAws_json1_1TransformerPaths(
+        input.InputPathsMap,
+        context
+      )
+    }),
+    ...(input.InputTemplate !== undefined && {
+      InputTemplate: input.InputTemplate
+    })
+  };
 };
 
 const serializeAws_json1_1KinesisParameters = (
   input: KinesisParameters,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.PartitionKeyPath !== undefined) {
-    bodyParams["PartitionKeyPath"] = input.PartitionKeyPath;
-  }
-  return bodyParams;
+  return {
+    ...(input.PartitionKeyPath !== undefined && {
+      PartitionKeyPath: input.PartitionKeyPath
+    })
+  };
 };
 
 const serializeAws_json1_1ListEventBusesRequest = (
   input: ListEventBusesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.NamePrefix !== undefined) {
-    bodyParams["NamePrefix"] = input.NamePrefix;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.NamePrefix !== undefined && { NamePrefix: input.NamePrefix }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1ListEventSourcesRequest = (
   input: ListEventSourcesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.NamePrefix !== undefined) {
-    bodyParams["NamePrefix"] = input.NamePrefix;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.NamePrefix !== undefined && { NamePrefix: input.NamePrefix }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1ListPartnerEventSourceAccountsRequest = (
   input: ListPartnerEventSourceAccountsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EventSourceName !== undefined) {
-    bodyParams["EventSourceName"] = input.EventSourceName;
-  }
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.EventSourceName !== undefined && {
+      EventSourceName: input.EventSourceName
+    }),
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1ListPartnerEventSourcesRequest = (
   input: ListPartnerEventSourcesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.NamePrefix !== undefined) {
-    bodyParams["NamePrefix"] = input.NamePrefix;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.NamePrefix !== undefined && { NamePrefix: input.NamePrefix }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1ListRuleNamesByTargetRequest = (
   input: ListRuleNamesByTargetRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EventBusName !== undefined) {
-    bodyParams["EventBusName"] = input.EventBusName;
-  }
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.TargetArn !== undefined) {
-    bodyParams["TargetArn"] = input.TargetArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.EventBusName !== undefined && {
+      EventBusName: input.EventBusName
+    }),
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.TargetArn !== undefined && { TargetArn: input.TargetArn })
+  };
 };
 
 const serializeAws_json1_1ListRulesRequest = (
   input: ListRulesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EventBusName !== undefined) {
-    bodyParams["EventBusName"] = input.EventBusName;
-  }
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.NamePrefix !== undefined) {
-    bodyParams["NamePrefix"] = input.NamePrefix;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.EventBusName !== undefined && {
+      EventBusName: input.EventBusName
+    }),
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.NamePrefix !== undefined && { NamePrefix: input.NamePrefix }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1ListTagsForResourceRequest = (
   input: ListTagsForResourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceARN !== undefined) {
-    bodyParams["ResourceARN"] = input.ResourceARN;
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceARN !== undefined && { ResourceARN: input.ResourceARN })
+  };
 };
 
 const serializeAws_json1_1ListTargetsByRuleRequest = (
   input: ListTargetsByRuleRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EventBusName !== undefined) {
-    bodyParams["EventBusName"] = input.EventBusName;
-  }
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.Rule !== undefined) {
-    bodyParams["Rule"] = input.Rule;
-  }
-  return bodyParams;
+  return {
+    ...(input.EventBusName !== undefined && {
+      EventBusName: input.EventBusName
+    }),
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.Rule !== undefined && { Rule: input.Rule })
+  };
 };
 
 const serializeAws_json1_1NetworkConfiguration = (
   input: NetworkConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.awsvpcConfiguration !== undefined) {
-    bodyParams["awsvpcConfiguration"] = serializeAws_json1_1AwsVpcConfiguration(
-      input.awsvpcConfiguration,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.awsvpcConfiguration !== undefined && {
+      awsvpcConfiguration: serializeAws_json1_1AwsVpcConfiguration(
+        input.awsvpcConfiguration,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1PutEventsRequest = (
   input: PutEventsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Entries !== undefined) {
-    bodyParams["Entries"] = serializeAws_json1_1PutEventsRequestEntryList(
-      input.Entries,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Entries !== undefined && {
+      Entries: serializeAws_json1_1PutEventsRequestEntryList(
+        input.Entries,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1PutEventsRequestEntry = (
   input: PutEventsRequestEntry,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Detail !== undefined) {
-    bodyParams["Detail"] = input.Detail;
-  }
-  if (input.DetailType !== undefined) {
-    bodyParams["DetailType"] = input.DetailType;
-  }
-  if (input.EventBusName !== undefined) {
-    bodyParams["EventBusName"] = input.EventBusName;
-  }
-  if (input.Resources !== undefined) {
-    bodyParams["Resources"] = serializeAws_json1_1EventResourceList(
-      input.Resources,
-      context
-    );
-  }
-  if (input.Source !== undefined) {
-    bodyParams["Source"] = input.Source;
-  }
-  if (input.Time !== undefined) {
-    bodyParams["Time"] = Math.round(input.Time.getTime() / 1000);
-  }
-  return bodyParams;
+  return {
+    ...(input.Detail !== undefined && { Detail: input.Detail }),
+    ...(input.DetailType !== undefined && { DetailType: input.DetailType }),
+    ...(input.EventBusName !== undefined && {
+      EventBusName: input.EventBusName
+    }),
+    ...(input.Resources !== undefined && {
+      Resources: serializeAws_json1_1EventResourceList(input.Resources, context)
+    }),
+    ...(input.Source !== undefined && { Source: input.Source }),
+    ...(input.Time !== undefined && {
+      Time: Math.round(input.Time.getTime() / 1000)
+    })
+  };
 };
 
 const serializeAws_json1_1PutEventsRequestEntryList = (
@@ -3825,42 +3719,31 @@ const serializeAws_json1_1PutPartnerEventsRequest = (
   input: PutPartnerEventsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Entries !== undefined) {
-    bodyParams[
-      "Entries"
-    ] = serializeAws_json1_1PutPartnerEventsRequestEntryList(
-      input.Entries,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Entries !== undefined && {
+      Entries: serializeAws_json1_1PutPartnerEventsRequestEntryList(
+        input.Entries,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1PutPartnerEventsRequestEntry = (
   input: PutPartnerEventsRequestEntry,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Detail !== undefined) {
-    bodyParams["Detail"] = input.Detail;
-  }
-  if (input.DetailType !== undefined) {
-    bodyParams["DetailType"] = input.DetailType;
-  }
-  if (input.Resources !== undefined) {
-    bodyParams["Resources"] = serializeAws_json1_1EventResourceList(
-      input.Resources,
-      context
-    );
-  }
-  if (input.Source !== undefined) {
-    bodyParams["Source"] = input.Source;
-  }
-  if (input.Time !== undefined) {
-    bodyParams["Time"] = Math.round(input.Time.getTime() / 1000);
-  }
-  return bodyParams;
+  return {
+    ...(input.Detail !== undefined && { Detail: input.Detail }),
+    ...(input.DetailType !== undefined && { DetailType: input.DetailType }),
+    ...(input.Resources !== undefined && {
+      Resources: serializeAws_json1_1EventResourceList(input.Resources, context)
+    }),
+    ...(input.Source !== undefined && { Source: input.Source }),
+    ...(input.Time !== undefined && {
+      Time: Math.round(input.Time.getTime() / 1000)
+    })
+  };
 };
 
 const serializeAws_json1_1PutPartnerEventsRequestEntryList = (
@@ -3876,143 +3759,110 @@ const serializeAws_json1_1PutPermissionRequest = (
   input: PutPermissionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Action !== undefined) {
-    bodyParams["Action"] = input.Action;
-  }
-  if (input.Condition !== undefined) {
-    bodyParams["Condition"] = serializeAws_json1_1Condition(
-      input.Condition,
-      context
-    );
-  }
-  if (input.EventBusName !== undefined) {
-    bodyParams["EventBusName"] = input.EventBusName;
-  }
-  if (input.Principal !== undefined) {
-    bodyParams["Principal"] = input.Principal;
-  }
-  if (input.StatementId !== undefined) {
-    bodyParams["StatementId"] = input.StatementId;
-  }
-  return bodyParams;
+  return {
+    ...(input.Action !== undefined && { Action: input.Action }),
+    ...(input.Condition !== undefined && {
+      Condition: serializeAws_json1_1Condition(input.Condition, context)
+    }),
+    ...(input.EventBusName !== undefined && {
+      EventBusName: input.EventBusName
+    }),
+    ...(input.Principal !== undefined && { Principal: input.Principal }),
+    ...(input.StatementId !== undefined && { StatementId: input.StatementId })
+  };
 };
 
 const serializeAws_json1_1PutRuleRequest = (
   input: PutRuleRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.EventBusName !== undefined) {
-    bodyParams["EventBusName"] = input.EventBusName;
-  }
-  if (input.EventPattern !== undefined) {
-    bodyParams["EventPattern"] = input.EventPattern;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.RoleArn !== undefined) {
-    bodyParams["RoleArn"] = input.RoleArn;
-  }
-  if (input.ScheduleExpression !== undefined) {
-    bodyParams["ScheduleExpression"] = input.ScheduleExpression;
-  }
-  if (input.State !== undefined) {
-    bodyParams["State"] = input.State;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagList(input.Tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.EventBusName !== undefined && {
+      EventBusName: input.EventBusName
+    }),
+    ...(input.EventPattern !== undefined && {
+      EventPattern: input.EventPattern
+    }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.RoleArn !== undefined && { RoleArn: input.RoleArn }),
+    ...(input.ScheduleExpression !== undefined && {
+      ScheduleExpression: input.ScheduleExpression
+    }),
+    ...(input.State !== undefined && { State: input.State }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagList(input.Tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1PutTargetsRequest = (
   input: PutTargetsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EventBusName !== undefined) {
-    bodyParams["EventBusName"] = input.EventBusName;
-  }
-  if (input.Rule !== undefined) {
-    bodyParams["Rule"] = input.Rule;
-  }
-  if (input.Targets !== undefined) {
-    bodyParams["Targets"] = serializeAws_json1_1TargetList(
-      input.Targets,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.EventBusName !== undefined && {
+      EventBusName: input.EventBusName
+    }),
+    ...(input.Rule !== undefined && { Rule: input.Rule }),
+    ...(input.Targets !== undefined && {
+      Targets: serializeAws_json1_1TargetList(input.Targets, context)
+    })
+  };
 };
 
 const serializeAws_json1_1RemovePermissionRequest = (
   input: RemovePermissionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EventBusName !== undefined) {
-    bodyParams["EventBusName"] = input.EventBusName;
-  }
-  if (input.StatementId !== undefined) {
-    bodyParams["StatementId"] = input.StatementId;
-  }
-  return bodyParams;
+  return {
+    ...(input.EventBusName !== undefined && {
+      EventBusName: input.EventBusName
+    }),
+    ...(input.StatementId !== undefined && { StatementId: input.StatementId })
+  };
 };
 
 const serializeAws_json1_1RemoveTargetsRequest = (
   input: RemoveTargetsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EventBusName !== undefined) {
-    bodyParams["EventBusName"] = input.EventBusName;
-  }
-  if (input.Force !== undefined) {
-    bodyParams["Force"] = input.Force;
-  }
-  if (input.Ids !== undefined) {
-    bodyParams["Ids"] = serializeAws_json1_1TargetIdList(input.Ids, context);
-  }
-  if (input.Rule !== undefined) {
-    bodyParams["Rule"] = input.Rule;
-  }
-  return bodyParams;
+  return {
+    ...(input.EventBusName !== undefined && {
+      EventBusName: input.EventBusName
+    }),
+    ...(input.Force !== undefined && { Force: input.Force }),
+    ...(input.Ids !== undefined && {
+      Ids: serializeAws_json1_1TargetIdList(input.Ids, context)
+    }),
+    ...(input.Rule !== undefined && { Rule: input.Rule })
+  };
 };
 
 const serializeAws_json1_1RunCommandParameters = (
   input: RunCommandParameters,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.RunCommandTargets !== undefined) {
-    bodyParams["RunCommandTargets"] = serializeAws_json1_1RunCommandTargets(
-      input.RunCommandTargets,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.RunCommandTargets !== undefined && {
+      RunCommandTargets: serializeAws_json1_1RunCommandTargets(
+        input.RunCommandTargets,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1RunCommandTarget = (
   input: RunCommandTarget,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Key !== undefined) {
-    bodyParams["Key"] = input.Key;
-  }
-  if (input.Values !== undefined) {
-    bodyParams["Values"] = serializeAws_json1_1RunCommandTargetValues(
-      input.Values,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Key !== undefined && { Key: input.Key }),
+    ...(input.Values !== undefined && {
+      Values: serializeAws_json1_1RunCommandTargetValues(input.Values, context)
+    })
+  };
 };
 
 const serializeAws_json1_1RunCommandTargetValues = (
@@ -4035,11 +3885,11 @@ const serializeAws_json1_1SqsParameters = (
   input: SqsParameters,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MessageGroupId !== undefined) {
-    bodyParams["MessageGroupId"] = input.MessageGroupId;
-  }
-  return bodyParams;
+  return {
+    ...(input.MessageGroupId !== undefined && {
+      MessageGroupId: input.MessageGroupId
+    })
+  };
 };
 
 const serializeAws_json1_1StringList = (
@@ -4050,14 +3900,10 @@ const serializeAws_json1_1StringList = (
 };
 
 const serializeAws_json1_1Tag = (input: Tag, context: __SerdeContext): any => {
-  const bodyParams: any = {};
-  if (input.Key !== undefined) {
-    bodyParams["Key"] = input.Key;
-  }
-  if (input.Value !== undefined) {
-    bodyParams["Value"] = input.Value;
-  }
-  return bodyParams;
+  return {
+    ...(input.Key !== undefined && { Key: input.Key }),
+    ...(input.Value !== undefined && { Value: input.Value })
+  };
 };
 
 const serializeAws_json1_1TagKeyList = (
@@ -4078,75 +3924,61 @@ const serializeAws_json1_1TagResourceRequest = (
   input: TagResourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceARN !== undefined) {
-    bodyParams["ResourceARN"] = input.ResourceARN;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagList(input.Tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceARN !== undefined && { ResourceARN: input.ResourceARN }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagList(input.Tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1Target = (
   input: Target,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Arn !== undefined) {
-    bodyParams["Arn"] = input.Arn;
-  }
-  if (input.BatchParameters !== undefined) {
-    bodyParams["BatchParameters"] = serializeAws_json1_1BatchParameters(
-      input.BatchParameters,
-      context
-    );
-  }
-  if (input.EcsParameters !== undefined) {
-    bodyParams["EcsParameters"] = serializeAws_json1_1EcsParameters(
-      input.EcsParameters,
-      context
-    );
-  }
-  if (input.Id !== undefined) {
-    bodyParams["Id"] = input.Id;
-  }
-  if (input.Input !== undefined) {
-    bodyParams["Input"] = input.Input;
-  }
-  if (input.InputPath !== undefined) {
-    bodyParams["InputPath"] = input.InputPath;
-  }
-  if (input.InputTransformer !== undefined) {
-    bodyParams["InputTransformer"] = serializeAws_json1_1InputTransformer(
-      input.InputTransformer,
-      context
-    );
-  }
-  if (input.KinesisParameters !== undefined) {
-    bodyParams["KinesisParameters"] = serializeAws_json1_1KinesisParameters(
-      input.KinesisParameters,
-      context
-    );
-  }
-  if (input.RoleArn !== undefined) {
-    bodyParams["RoleArn"] = input.RoleArn;
-  }
-  if (input.RunCommandParameters !== undefined) {
-    bodyParams[
-      "RunCommandParameters"
-    ] = serializeAws_json1_1RunCommandParameters(
-      input.RunCommandParameters,
-      context
-    );
-  }
-  if (input.SqsParameters !== undefined) {
-    bodyParams["SqsParameters"] = serializeAws_json1_1SqsParameters(
-      input.SqsParameters,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Arn !== undefined && { Arn: input.Arn }),
+    ...(input.BatchParameters !== undefined && {
+      BatchParameters: serializeAws_json1_1BatchParameters(
+        input.BatchParameters,
+        context
+      )
+    }),
+    ...(input.EcsParameters !== undefined && {
+      EcsParameters: serializeAws_json1_1EcsParameters(
+        input.EcsParameters,
+        context
+      )
+    }),
+    ...(input.Id !== undefined && { Id: input.Id }),
+    ...(input.Input !== undefined && { Input: input.Input }),
+    ...(input.InputPath !== undefined && { InputPath: input.InputPath }),
+    ...(input.InputTransformer !== undefined && {
+      InputTransformer: serializeAws_json1_1InputTransformer(
+        input.InputTransformer,
+        context
+      )
+    }),
+    ...(input.KinesisParameters !== undefined && {
+      KinesisParameters: serializeAws_json1_1KinesisParameters(
+        input.KinesisParameters,
+        context
+      )
+    }),
+    ...(input.RoleArn !== undefined && { RoleArn: input.RoleArn }),
+    ...(input.RunCommandParameters !== undefined && {
+      RunCommandParameters: serializeAws_json1_1RunCommandParameters(
+        input.RunCommandParameters,
+        context
+      )
+    }),
+    ...(input.SqsParameters !== undefined && {
+      SqsParameters: serializeAws_json1_1SqsParameters(
+        input.SqsParameters,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1TargetIdList = (
@@ -4167,14 +3999,12 @@ const serializeAws_json1_1TestEventPatternRequest = (
   input: TestEventPatternRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Event !== undefined) {
-    bodyParams["Event"] = input.Event;
-  }
-  if (input.EventPattern !== undefined) {
-    bodyParams["EventPattern"] = input.EventPattern;
-  }
-  return bodyParams;
+  return {
+    ...(input.Event !== undefined && { Event: input.Event }),
+    ...(input.EventPattern !== undefined && {
+      EventPattern: input.EventPattern
+    })
+  };
 };
 
 const serializeAws_json1_1TransformerPaths = (
@@ -4191,17 +4021,12 @@ const serializeAws_json1_1UntagResourceRequest = (
   input: UntagResourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceARN !== undefined) {
-    bodyParams["ResourceARN"] = input.ResourceARN;
-  }
-  if (input.TagKeys !== undefined) {
-    bodyParams["TagKeys"] = serializeAws_json1_1TagKeyList(
-      input.TagKeys,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceARN !== undefined && { ResourceARN: input.ResourceARN }),
+    ...(input.TagKeys !== undefined && {
+      TagKeys: serializeAws_json1_1TagKeyList(input.TagKeys, context)
+    })
+  };
 };
 
 const deserializeAws_json1_1AwsVpcConfiguration = (
diff --git a/clients/client-cloudwatch-logs/protocols/Aws_json1_1.ts b/clients/client-cloudwatch-logs/protocols/Aws_json1_1.ts
index 6e8f1ede9409..030b7b8daacb 100644
--- a/clients/client-cloudwatch-logs/protocols/Aws_json1_1.ts
+++ b/clients/client-cloudwatch-logs/protocols/Aws_json1_1.ts
@@ -4415,459 +4415,369 @@ const serializeAws_json1_1AssociateKmsKeyRequest = (
   input: AssociateKmsKeyRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.kmsKeyId !== undefined) {
-    bodyParams["kmsKeyId"] = input.kmsKeyId;
-  }
-  if (input.logGroupName !== undefined) {
-    bodyParams["logGroupName"] = input.logGroupName;
-  }
-  return bodyParams;
+  return {
+    ...(input.kmsKeyId !== undefined && { kmsKeyId: input.kmsKeyId }),
+    ...(input.logGroupName !== undefined && {
+      logGroupName: input.logGroupName
+    })
+  };
 };
 
 const serializeAws_json1_1CancelExportTaskRequest = (
   input: CancelExportTaskRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.taskId !== undefined) {
-    bodyParams["taskId"] = input.taskId;
-  }
-  return bodyParams;
+  return {
+    ...(input.taskId !== undefined && { taskId: input.taskId })
+  };
 };
 
 const serializeAws_json1_1CreateExportTaskRequest = (
   input: CreateExportTaskRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.destination !== undefined) {
-    bodyParams["destination"] = input.destination;
-  }
-  if (input.destinationPrefix !== undefined) {
-    bodyParams["destinationPrefix"] = input.destinationPrefix;
-  }
-  if (input.from !== undefined) {
-    bodyParams["from"] = input.from;
-  }
-  if (input.logGroupName !== undefined) {
-    bodyParams["logGroupName"] = input.logGroupName;
-  }
-  if (input.logStreamNamePrefix !== undefined) {
-    bodyParams["logStreamNamePrefix"] = input.logStreamNamePrefix;
-  }
-  if (input.taskName !== undefined) {
-    bodyParams["taskName"] = input.taskName;
-  }
-  if (input.to !== undefined) {
-    bodyParams["to"] = input.to;
-  }
-  return bodyParams;
+  return {
+    ...(input.destination !== undefined && { destination: input.destination }),
+    ...(input.destinationPrefix !== undefined && {
+      destinationPrefix: input.destinationPrefix
+    }),
+    ...(input.from !== undefined && { from: input.from }),
+    ...(input.logGroupName !== undefined && {
+      logGroupName: input.logGroupName
+    }),
+    ...(input.logStreamNamePrefix !== undefined && {
+      logStreamNamePrefix: input.logStreamNamePrefix
+    }),
+    ...(input.taskName !== undefined && { taskName: input.taskName }),
+    ...(input.to !== undefined && { to: input.to })
+  };
 };
 
 const serializeAws_json1_1CreateLogGroupRequest = (
   input: CreateLogGroupRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.kmsKeyId !== undefined) {
-    bodyParams["kmsKeyId"] = input.kmsKeyId;
-  }
-  if (input.logGroupName !== undefined) {
-    bodyParams["logGroupName"] = input.logGroupName;
-  }
-  if (input.tags !== undefined) {
-    bodyParams["tags"] = serializeAws_json1_1Tags(input.tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.kmsKeyId !== undefined && { kmsKeyId: input.kmsKeyId }),
+    ...(input.logGroupName !== undefined && {
+      logGroupName: input.logGroupName
+    }),
+    ...(input.tags !== undefined && {
+      tags: serializeAws_json1_1Tags(input.tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1CreateLogStreamRequest = (
   input: CreateLogStreamRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.logGroupName !== undefined) {
-    bodyParams["logGroupName"] = input.logGroupName;
-  }
-  if (input.logStreamName !== undefined) {
-    bodyParams["logStreamName"] = input.logStreamName;
-  }
-  return bodyParams;
+  return {
+    ...(input.logGroupName !== undefined && {
+      logGroupName: input.logGroupName
+    }),
+    ...(input.logStreamName !== undefined && {
+      logStreamName: input.logStreamName
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteDestinationRequest = (
   input: DeleteDestinationRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.destinationName !== undefined) {
-    bodyParams["destinationName"] = input.destinationName;
-  }
-  return bodyParams;
+  return {
+    ...(input.destinationName !== undefined && {
+      destinationName: input.destinationName
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteLogGroupRequest = (
   input: DeleteLogGroupRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.logGroupName !== undefined) {
-    bodyParams["logGroupName"] = input.logGroupName;
-  }
-  return bodyParams;
+  return {
+    ...(input.logGroupName !== undefined && {
+      logGroupName: input.logGroupName
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteLogStreamRequest = (
   input: DeleteLogStreamRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.logGroupName !== undefined) {
-    bodyParams["logGroupName"] = input.logGroupName;
-  }
-  if (input.logStreamName !== undefined) {
-    bodyParams["logStreamName"] = input.logStreamName;
-  }
-  return bodyParams;
+  return {
+    ...(input.logGroupName !== undefined && {
+      logGroupName: input.logGroupName
+    }),
+    ...(input.logStreamName !== undefined && {
+      logStreamName: input.logStreamName
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteMetricFilterRequest = (
   input: DeleteMetricFilterRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.filterName !== undefined) {
-    bodyParams["filterName"] = input.filterName;
-  }
-  if (input.logGroupName !== undefined) {
-    bodyParams["logGroupName"] = input.logGroupName;
-  }
-  return bodyParams;
+  return {
+    ...(input.filterName !== undefined && { filterName: input.filterName }),
+    ...(input.logGroupName !== undefined && {
+      logGroupName: input.logGroupName
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteResourcePolicyRequest = (
   input: DeleteResourcePolicyRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.policyName !== undefined) {
-    bodyParams["policyName"] = input.policyName;
-  }
-  return bodyParams;
+  return {
+    ...(input.policyName !== undefined && { policyName: input.policyName })
+  };
 };
 
 const serializeAws_json1_1DeleteRetentionPolicyRequest = (
   input: DeleteRetentionPolicyRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.logGroupName !== undefined) {
-    bodyParams["logGroupName"] = input.logGroupName;
-  }
-  return bodyParams;
+  return {
+    ...(input.logGroupName !== undefined && {
+      logGroupName: input.logGroupName
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteSubscriptionFilterRequest = (
   input: DeleteSubscriptionFilterRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.filterName !== undefined) {
-    bodyParams["filterName"] = input.filterName;
-  }
-  if (input.logGroupName !== undefined) {
-    bodyParams["logGroupName"] = input.logGroupName;
-  }
-  return bodyParams;
+  return {
+    ...(input.filterName !== undefined && { filterName: input.filterName }),
+    ...(input.logGroupName !== undefined && {
+      logGroupName: input.logGroupName
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeDestinationsRequest = (
   input: DescribeDestinationsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DestinationNamePrefix !== undefined) {
-    bodyParams["DestinationNamePrefix"] = input.DestinationNamePrefix;
-  }
-  if (input.limit !== undefined) {
-    bodyParams["limit"] = input.limit;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.DestinationNamePrefix !== undefined && {
+      DestinationNamePrefix: input.DestinationNamePrefix
+    }),
+    ...(input.limit !== undefined && { limit: input.limit }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken })
+  };
 };
 
 const serializeAws_json1_1DescribeExportTasksRequest = (
   input: DescribeExportTasksRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.limit !== undefined) {
-    bodyParams["limit"] = input.limit;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  if (input.statusCode !== undefined) {
-    bodyParams["statusCode"] = input.statusCode;
-  }
-  if (input.taskId !== undefined) {
-    bodyParams["taskId"] = input.taskId;
-  }
-  return bodyParams;
+  return {
+    ...(input.limit !== undefined && { limit: input.limit }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken }),
+    ...(input.statusCode !== undefined && { statusCode: input.statusCode }),
+    ...(input.taskId !== undefined && { taskId: input.taskId })
+  };
 };
 
 const serializeAws_json1_1DescribeLogGroupsRequest = (
   input: DescribeLogGroupsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.limit !== undefined) {
-    bodyParams["limit"] = input.limit;
-  }
-  if (input.logGroupNamePrefix !== undefined) {
-    bodyParams["logGroupNamePrefix"] = input.logGroupNamePrefix;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.limit !== undefined && { limit: input.limit }),
+    ...(input.logGroupNamePrefix !== undefined && {
+      logGroupNamePrefix: input.logGroupNamePrefix
+    }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken })
+  };
 };
 
 const serializeAws_json1_1DescribeLogStreamsRequest = (
   input: DescribeLogStreamsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.descending !== undefined) {
-    bodyParams["descending"] = input.descending;
-  }
-  if (input.limit !== undefined) {
-    bodyParams["limit"] = input.limit;
-  }
-  if (input.logGroupName !== undefined) {
-    bodyParams["logGroupName"] = input.logGroupName;
-  }
-  if (input.logStreamNamePrefix !== undefined) {
-    bodyParams["logStreamNamePrefix"] = input.logStreamNamePrefix;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  if (input.orderBy !== undefined) {
-    bodyParams["orderBy"] = input.orderBy;
-  }
-  return bodyParams;
+  return {
+    ...(input.descending !== undefined && { descending: input.descending }),
+    ...(input.limit !== undefined && { limit: input.limit }),
+    ...(input.logGroupName !== undefined && {
+      logGroupName: input.logGroupName
+    }),
+    ...(input.logStreamNamePrefix !== undefined && {
+      logStreamNamePrefix: input.logStreamNamePrefix
+    }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken }),
+    ...(input.orderBy !== undefined && { orderBy: input.orderBy })
+  };
 };
 
 const serializeAws_json1_1DescribeMetricFiltersRequest = (
   input: DescribeMetricFiltersRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.filterNamePrefix !== undefined) {
-    bodyParams["filterNamePrefix"] = input.filterNamePrefix;
-  }
-  if (input.limit !== undefined) {
-    bodyParams["limit"] = input.limit;
-  }
-  if (input.logGroupName !== undefined) {
-    bodyParams["logGroupName"] = input.logGroupName;
-  }
-  if (input.metricName !== undefined) {
-    bodyParams["metricName"] = input.metricName;
-  }
-  if (input.metricNamespace !== undefined) {
-    bodyParams["metricNamespace"] = input.metricNamespace;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.filterNamePrefix !== undefined && {
+      filterNamePrefix: input.filterNamePrefix
+    }),
+    ...(input.limit !== undefined && { limit: input.limit }),
+    ...(input.logGroupName !== undefined && {
+      logGroupName: input.logGroupName
+    }),
+    ...(input.metricName !== undefined && { metricName: input.metricName }),
+    ...(input.metricNamespace !== undefined && {
+      metricNamespace: input.metricNamespace
+    }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken })
+  };
 };
 
 const serializeAws_json1_1DescribeQueriesRequest = (
   input: DescribeQueriesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.logGroupName !== undefined) {
-    bodyParams["logGroupName"] = input.logGroupName;
-  }
-  if (input.maxResults !== undefined) {
-    bodyParams["maxResults"] = input.maxResults;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  if (input.status !== undefined) {
-    bodyParams["status"] = input.status;
-  }
-  return bodyParams;
+  return {
+    ...(input.logGroupName !== undefined && {
+      logGroupName: input.logGroupName
+    }),
+    ...(input.maxResults !== undefined && { maxResults: input.maxResults }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken }),
+    ...(input.status !== undefined && { status: input.status })
+  };
 };
 
 const serializeAws_json1_1DescribeResourcePoliciesRequest = (
   input: DescribeResourcePoliciesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.limit !== undefined) {
-    bodyParams["limit"] = input.limit;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.limit !== undefined && { limit: input.limit }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken })
+  };
 };
 
 const serializeAws_json1_1DescribeSubscriptionFiltersRequest = (
   input: DescribeSubscriptionFiltersRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.filterNamePrefix !== undefined) {
-    bodyParams["filterNamePrefix"] = input.filterNamePrefix;
-  }
-  if (input.limit !== undefined) {
-    bodyParams["limit"] = input.limit;
-  }
-  if (input.logGroupName !== undefined) {
-    bodyParams["logGroupName"] = input.logGroupName;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.filterNamePrefix !== undefined && {
+      filterNamePrefix: input.filterNamePrefix
+    }),
+    ...(input.limit !== undefined && { limit: input.limit }),
+    ...(input.logGroupName !== undefined && {
+      logGroupName: input.logGroupName
+    }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken })
+  };
 };
 
 const serializeAws_json1_1DisassociateKmsKeyRequest = (
   input: DisassociateKmsKeyRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.logGroupName !== undefined) {
-    bodyParams["logGroupName"] = input.logGroupName;
-  }
-  return bodyParams;
+  return {
+    ...(input.logGroupName !== undefined && {
+      logGroupName: input.logGroupName
+    })
+  };
 };
 
 const serializeAws_json1_1FilterLogEventsRequest = (
   input: FilterLogEventsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.endTime !== undefined) {
-    bodyParams["endTime"] = input.endTime;
-  }
-  if (input.filterPattern !== undefined) {
-    bodyParams["filterPattern"] = input.filterPattern;
-  }
-  if (input.interleaved !== undefined) {
-    bodyParams["interleaved"] = input.interleaved;
-  }
-  if (input.limit !== undefined) {
-    bodyParams["limit"] = input.limit;
-  }
-  if (input.logGroupName !== undefined) {
-    bodyParams["logGroupName"] = input.logGroupName;
-  }
-  if (input.logStreamNamePrefix !== undefined) {
-    bodyParams["logStreamNamePrefix"] = input.logStreamNamePrefix;
-  }
-  if (input.logStreamNames !== undefined) {
-    bodyParams["logStreamNames"] = serializeAws_json1_1InputLogStreamNames(
-      input.logStreamNames,
-      context
-    );
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  if (input.startTime !== undefined) {
-    bodyParams["startTime"] = input.startTime;
-  }
-  return bodyParams;
+  return {
+    ...(input.endTime !== undefined && { endTime: input.endTime }),
+    ...(input.filterPattern !== undefined && {
+      filterPattern: input.filterPattern
+    }),
+    ...(input.interleaved !== undefined && { interleaved: input.interleaved }),
+    ...(input.limit !== undefined && { limit: input.limit }),
+    ...(input.logGroupName !== undefined && {
+      logGroupName: input.logGroupName
+    }),
+    ...(input.logStreamNamePrefix !== undefined && {
+      logStreamNamePrefix: input.logStreamNamePrefix
+    }),
+    ...(input.logStreamNames !== undefined && {
+      logStreamNames: serializeAws_json1_1InputLogStreamNames(
+        input.logStreamNames,
+        context
+      )
+    }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken }),
+    ...(input.startTime !== undefined && { startTime: input.startTime })
+  };
 };
 
 const serializeAws_json1_1GetLogEventsRequest = (
   input: GetLogEventsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.endTime !== undefined) {
-    bodyParams["endTime"] = input.endTime;
-  }
-  if (input.limit !== undefined) {
-    bodyParams["limit"] = input.limit;
-  }
-  if (input.logGroupName !== undefined) {
-    bodyParams["logGroupName"] = input.logGroupName;
-  }
-  if (input.logStreamName !== undefined) {
-    bodyParams["logStreamName"] = input.logStreamName;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  if (input.startFromHead !== undefined) {
-    bodyParams["startFromHead"] = input.startFromHead;
-  }
-  if (input.startTime !== undefined) {
-    bodyParams["startTime"] = input.startTime;
-  }
-  return bodyParams;
+  return {
+    ...(input.endTime !== undefined && { endTime: input.endTime }),
+    ...(input.limit !== undefined && { limit: input.limit }),
+    ...(input.logGroupName !== undefined && {
+      logGroupName: input.logGroupName
+    }),
+    ...(input.logStreamName !== undefined && {
+      logStreamName: input.logStreamName
+    }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken }),
+    ...(input.startFromHead !== undefined && {
+      startFromHead: input.startFromHead
+    }),
+    ...(input.startTime !== undefined && { startTime: input.startTime })
+  };
 };
 
 const serializeAws_json1_1GetLogGroupFieldsRequest = (
   input: GetLogGroupFieldsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.logGroupName !== undefined) {
-    bodyParams["logGroupName"] = input.logGroupName;
-  }
-  if (input.time !== undefined) {
-    bodyParams["time"] = input.time;
-  }
-  return bodyParams;
+  return {
+    ...(input.logGroupName !== undefined && {
+      logGroupName: input.logGroupName
+    }),
+    ...(input.time !== undefined && { time: input.time })
+  };
 };
 
 const serializeAws_json1_1GetLogRecordRequest = (
   input: GetLogRecordRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.logRecordPointer !== undefined) {
-    bodyParams["logRecordPointer"] = input.logRecordPointer;
-  }
-  return bodyParams;
+  return {
+    ...(input.logRecordPointer !== undefined && {
+      logRecordPointer: input.logRecordPointer
+    })
+  };
 };
 
 const serializeAws_json1_1GetQueryResultsRequest = (
   input: GetQueryResultsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.queryId !== undefined) {
-    bodyParams["queryId"] = input.queryId;
-  }
-  return bodyParams;
+  return {
+    ...(input.queryId !== undefined && { queryId: input.queryId })
+  };
 };
 
 const serializeAws_json1_1InputLogEvent = (
   input: InputLogEvent,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.message !== undefined) {
-    bodyParams["message"] = input.message;
-  }
-  if (input.timestamp !== undefined) {
-    bodyParams["timestamp"] = input.timestamp;
-  }
-  return bodyParams;
+  return {
+    ...(input.message !== undefined && { message: input.message }),
+    ...(input.timestamp !== undefined && { timestamp: input.timestamp })
+  };
 };
 
 const serializeAws_json1_1InputLogEvents = (
@@ -4888,11 +4798,11 @@ const serializeAws_json1_1ListTagsLogGroupRequest = (
   input: ListTagsLogGroupRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.logGroupName !== undefined) {
-    bodyParams["logGroupName"] = input.logGroupName;
-  }
-  return bodyParams;
+  return {
+    ...(input.logGroupName !== undefined && {
+      logGroupName: input.logGroupName
+    })
+  };
 };
 
 const serializeAws_json1_1LogGroupNames = (
@@ -4906,20 +4816,16 @@ const serializeAws_json1_1MetricTransformation = (
   input: MetricTransformation,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.defaultValue !== undefined) {
-    bodyParams["defaultValue"] = input.defaultValue;
-  }
-  if (input.metricName !== undefined) {
-    bodyParams["metricName"] = input.metricName;
-  }
-  if (input.metricNamespace !== undefined) {
-    bodyParams["metricNamespace"] = input.metricNamespace;
-  }
-  if (input.metricValue !== undefined) {
-    bodyParams["metricValue"] = input.metricValue;
-  }
-  return bodyParams;
+  return {
+    ...(input.defaultValue !== undefined && {
+      defaultValue: input.defaultValue
+    }),
+    ...(input.metricName !== undefined && { metricName: input.metricName }),
+    ...(input.metricNamespace !== undefined && {
+      metricNamespace: input.metricNamespace
+    }),
+    ...(input.metricValue !== undefined && { metricValue: input.metricValue })
+  };
 };
 
 const serializeAws_json1_1MetricTransformations = (
@@ -4935,173 +4841,146 @@ const serializeAws_json1_1PutDestinationPolicyRequest = (
   input: PutDestinationPolicyRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.accessPolicy !== undefined) {
-    bodyParams["accessPolicy"] = input.accessPolicy;
-  }
-  if (input.destinationName !== undefined) {
-    bodyParams["destinationName"] = input.destinationName;
-  }
-  return bodyParams;
+  return {
+    ...(input.accessPolicy !== undefined && {
+      accessPolicy: input.accessPolicy
+    }),
+    ...(input.destinationName !== undefined && {
+      destinationName: input.destinationName
+    })
+  };
 };
 
 const serializeAws_json1_1PutDestinationRequest = (
   input: PutDestinationRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.destinationName !== undefined) {
-    bodyParams["destinationName"] = input.destinationName;
-  }
-  if (input.roleArn !== undefined) {
-    bodyParams["roleArn"] = input.roleArn;
-  }
-  if (input.targetArn !== undefined) {
-    bodyParams["targetArn"] = input.targetArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.destinationName !== undefined && {
+      destinationName: input.destinationName
+    }),
+    ...(input.roleArn !== undefined && { roleArn: input.roleArn }),
+    ...(input.targetArn !== undefined && { targetArn: input.targetArn })
+  };
 };
 
 const serializeAws_json1_1PutLogEventsRequest = (
   input: PutLogEventsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.logEvents !== undefined) {
-    bodyParams["logEvents"] = serializeAws_json1_1InputLogEvents(
-      input.logEvents,
-      context
-    );
-  }
-  if (input.logGroupName !== undefined) {
-    bodyParams["logGroupName"] = input.logGroupName;
-  }
-  if (input.logStreamName !== undefined) {
-    bodyParams["logStreamName"] = input.logStreamName;
-  }
-  if (input.sequenceToken !== undefined) {
-    bodyParams["sequenceToken"] = input.sequenceToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.logEvents !== undefined && {
+      logEvents: serializeAws_json1_1InputLogEvents(input.logEvents, context)
+    }),
+    ...(input.logGroupName !== undefined && {
+      logGroupName: input.logGroupName
+    }),
+    ...(input.logStreamName !== undefined && {
+      logStreamName: input.logStreamName
+    }),
+    ...(input.sequenceToken !== undefined && {
+      sequenceToken: input.sequenceToken
+    })
+  };
 };
 
 const serializeAws_json1_1PutMetricFilterRequest = (
   input: PutMetricFilterRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.filterName !== undefined) {
-    bodyParams["filterName"] = input.filterName;
-  }
-  if (input.filterPattern !== undefined) {
-    bodyParams["filterPattern"] = input.filterPattern;
-  }
-  if (input.logGroupName !== undefined) {
-    bodyParams["logGroupName"] = input.logGroupName;
-  }
-  if (input.metricTransformations !== undefined) {
-    bodyParams[
-      "metricTransformations"
-    ] = serializeAws_json1_1MetricTransformations(
-      input.metricTransformations,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.filterName !== undefined && { filterName: input.filterName }),
+    ...(input.filterPattern !== undefined && {
+      filterPattern: input.filterPattern
+    }),
+    ...(input.logGroupName !== undefined && {
+      logGroupName: input.logGroupName
+    }),
+    ...(input.metricTransformations !== undefined && {
+      metricTransformations: serializeAws_json1_1MetricTransformations(
+        input.metricTransformations,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1PutResourcePolicyRequest = (
   input: PutResourcePolicyRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.policyDocument !== undefined) {
-    bodyParams["policyDocument"] = input.policyDocument;
-  }
-  if (input.policyName !== undefined) {
-    bodyParams["policyName"] = input.policyName;
-  }
-  return bodyParams;
+  return {
+    ...(input.policyDocument !== undefined && {
+      policyDocument: input.policyDocument
+    }),
+    ...(input.policyName !== undefined && { policyName: input.policyName })
+  };
 };
 
 const serializeAws_json1_1PutRetentionPolicyRequest = (
   input: PutRetentionPolicyRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.logGroupName !== undefined) {
-    bodyParams["logGroupName"] = input.logGroupName;
-  }
-  if (input.retentionInDays !== undefined) {
-    bodyParams["retentionInDays"] = input.retentionInDays;
-  }
-  return bodyParams;
+  return {
+    ...(input.logGroupName !== undefined && {
+      logGroupName: input.logGroupName
+    }),
+    ...(input.retentionInDays !== undefined && {
+      retentionInDays: input.retentionInDays
+    })
+  };
 };
 
 const serializeAws_json1_1PutSubscriptionFilterRequest = (
   input: PutSubscriptionFilterRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.destinationArn !== undefined) {
-    bodyParams["destinationArn"] = input.destinationArn;
-  }
-  if (input.distribution !== undefined) {
-    bodyParams["distribution"] = input.distribution;
-  }
-  if (input.filterName !== undefined) {
-    bodyParams["filterName"] = input.filterName;
-  }
-  if (input.filterPattern !== undefined) {
-    bodyParams["filterPattern"] = input.filterPattern;
-  }
-  if (input.logGroupName !== undefined) {
-    bodyParams["logGroupName"] = input.logGroupName;
-  }
-  if (input.roleArn !== undefined) {
-    bodyParams["roleArn"] = input.roleArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.destinationArn !== undefined && {
+      destinationArn: input.destinationArn
+    }),
+    ...(input.distribution !== undefined && {
+      distribution: input.distribution
+    }),
+    ...(input.filterName !== undefined && { filterName: input.filterName }),
+    ...(input.filterPattern !== undefined && {
+      filterPattern: input.filterPattern
+    }),
+    ...(input.logGroupName !== undefined && {
+      logGroupName: input.logGroupName
+    }),
+    ...(input.roleArn !== undefined && { roleArn: input.roleArn })
+  };
 };
 
 const serializeAws_json1_1StartQueryRequest = (
   input: StartQueryRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.endTime !== undefined) {
-    bodyParams["endTime"] = input.endTime;
-  }
-  if (input.limit !== undefined) {
-    bodyParams["limit"] = input.limit;
-  }
-  if (input.logGroupName !== undefined) {
-    bodyParams["logGroupName"] = input.logGroupName;
-  }
-  if (input.logGroupNames !== undefined) {
-    bodyParams["logGroupNames"] = serializeAws_json1_1LogGroupNames(
-      input.logGroupNames,
-      context
-    );
-  }
-  if (input.queryString !== undefined) {
-    bodyParams["queryString"] = input.queryString;
-  }
-  if (input.startTime !== undefined) {
-    bodyParams["startTime"] = input.startTime;
-  }
-  return bodyParams;
+  return {
+    ...(input.endTime !== undefined && { endTime: input.endTime }),
+    ...(input.limit !== undefined && { limit: input.limit }),
+    ...(input.logGroupName !== undefined && {
+      logGroupName: input.logGroupName
+    }),
+    ...(input.logGroupNames !== undefined && {
+      logGroupNames: serializeAws_json1_1LogGroupNames(
+        input.logGroupNames,
+        context
+      )
+    }),
+    ...(input.queryString !== undefined && { queryString: input.queryString }),
+    ...(input.startTime !== undefined && { startTime: input.startTime })
+  };
 };
 
 const serializeAws_json1_1StopQueryRequest = (
   input: StopQueryRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.queryId !== undefined) {
-    bodyParams["queryId"] = input.queryId;
-  }
-  return bodyParams;
+  return {
+    ...(input.queryId !== undefined && { queryId: input.queryId })
+  };
 };
 
 const serializeAws_json1_1TagList = (
@@ -5115,14 +4994,14 @@ const serializeAws_json1_1TagLogGroupRequest = (
   input: TagLogGroupRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.logGroupName !== undefined) {
-    bodyParams["logGroupName"] = input.logGroupName;
-  }
-  if (input.tags !== undefined) {
-    bodyParams["tags"] = serializeAws_json1_1Tags(input.tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.logGroupName !== undefined && {
+      logGroupName: input.logGroupName
+    }),
+    ...(input.tags !== undefined && {
+      tags: serializeAws_json1_1Tags(input.tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1Tags = (
@@ -5146,31 +5025,31 @@ const serializeAws_json1_1TestMetricFilterRequest = (
   input: TestMetricFilterRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.filterPattern !== undefined) {
-    bodyParams["filterPattern"] = input.filterPattern;
-  }
-  if (input.logEventMessages !== undefined) {
-    bodyParams["logEventMessages"] = serializeAws_json1_1TestEventMessages(
-      input.logEventMessages,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.filterPattern !== undefined && {
+      filterPattern: input.filterPattern
+    }),
+    ...(input.logEventMessages !== undefined && {
+      logEventMessages: serializeAws_json1_1TestEventMessages(
+        input.logEventMessages,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1UntagLogGroupRequest = (
   input: UntagLogGroupRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.logGroupName !== undefined) {
-    bodyParams["logGroupName"] = input.logGroupName;
-  }
-  if (input.tags !== undefined) {
-    bodyParams["tags"] = serializeAws_json1_1TagList(input.tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.logGroupName !== undefined && {
+      logGroupName: input.logGroupName
+    }),
+    ...(input.tags !== undefined && {
+      tags: serializeAws_json1_1TagList(input.tags, context)
+    })
+  };
 };
 
 const deserializeAws_json1_1CreateExportTaskResponse = (
diff --git a/clients/client-codebuild/protocols/Aws_json1_1.ts b/clients/client-codebuild/protocols/Aws_json1_1.ts
index 7ea873a3195c..efa5c3584211 100644
--- a/clients/client-codebuild/protocols/Aws_json1_1.ts
+++ b/clients/client-codebuild/protocols/Aws_json1_1.ts
@@ -3173,64 +3173,58 @@ const serializeAws_json1_1BatchDeleteBuildsInput = (
   input: BatchDeleteBuildsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ids !== undefined) {
-    bodyParams["ids"] = serializeAws_json1_1BuildIds(input.ids, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.ids !== undefined && {
+      ids: serializeAws_json1_1BuildIds(input.ids, context)
+    })
+  };
 };
 
 const serializeAws_json1_1BatchGetBuildsInput = (
   input: BatchGetBuildsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ids !== undefined) {
-    bodyParams["ids"] = serializeAws_json1_1BuildIds(input.ids, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.ids !== undefined && {
+      ids: serializeAws_json1_1BuildIds(input.ids, context)
+    })
+  };
 };
 
 const serializeAws_json1_1BatchGetProjectsInput = (
   input: BatchGetProjectsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.names !== undefined) {
-    bodyParams["names"] = serializeAws_json1_1ProjectNames(
-      input.names,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.names !== undefined && {
+      names: serializeAws_json1_1ProjectNames(input.names, context)
+    })
+  };
 };
 
 const serializeAws_json1_1BatchGetReportGroupsInput = (
   input: BatchGetReportGroupsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.reportGroupArns !== undefined) {
-    bodyParams["reportGroupArns"] = serializeAws_json1_1ReportGroupArns(
-      input.reportGroupArns,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.reportGroupArns !== undefined && {
+      reportGroupArns: serializeAws_json1_1ReportGroupArns(
+        input.reportGroupArns,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1BatchGetReportsInput = (
   input: BatchGetReportsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.reportArns !== undefined) {
-    bodyParams["reportArns"] = serializeAws_json1_1ReportArns(
-      input.reportArns,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.reportArns !== undefined && {
+      reportArns: serializeAws_json1_1ReportArns(input.reportArns, context)
+    })
+  };
 };
 
 const serializeAws_json1_1BuildIds = (
@@ -3244,254 +3238,192 @@ const serializeAws_json1_1CloudWatchLogsConfig = (
   input: CloudWatchLogsConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.groupName !== undefined) {
-    bodyParams["groupName"] = input.groupName;
-  }
-  if (input.status !== undefined) {
-    bodyParams["status"] = input.status;
-  }
-  if (input.streamName !== undefined) {
-    bodyParams["streamName"] = input.streamName;
-  }
-  return bodyParams;
+  return {
+    ...(input.groupName !== undefined && { groupName: input.groupName }),
+    ...(input.status !== undefined && { status: input.status }),
+    ...(input.streamName !== undefined && { streamName: input.streamName })
+  };
 };
 
 const serializeAws_json1_1CreateProjectInput = (
   input: CreateProjectInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.artifacts !== undefined) {
-    bodyParams["artifacts"] = serializeAws_json1_1ProjectArtifacts(
-      input.artifacts,
-      context
-    );
-  }
-  if (input.badgeEnabled !== undefined) {
-    bodyParams["badgeEnabled"] = input.badgeEnabled;
-  }
-  if (input.cache !== undefined) {
-    bodyParams["cache"] = serializeAws_json1_1ProjectCache(
-      input.cache,
-      context
-    );
-  }
-  if (input.description !== undefined) {
-    bodyParams["description"] = input.description;
-  }
-  if (input.encryptionKey !== undefined) {
-    bodyParams["encryptionKey"] = input.encryptionKey;
-  }
-  if (input.environment !== undefined) {
-    bodyParams["environment"] = serializeAws_json1_1ProjectEnvironment(
-      input.environment,
-      context
-    );
-  }
-  if (input.logsConfig !== undefined) {
-    bodyParams["logsConfig"] = serializeAws_json1_1LogsConfig(
-      input.logsConfig,
-      context
-    );
-  }
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  if (input.queuedTimeoutInMinutes !== undefined) {
-    bodyParams["queuedTimeoutInMinutes"] = input.queuedTimeoutInMinutes;
-  }
-  if (input.secondaryArtifacts !== undefined) {
-    bodyParams["secondaryArtifacts"] = serializeAws_json1_1ProjectArtifactsList(
-      input.secondaryArtifacts,
-      context
-    );
-  }
-  if (input.secondarySourceVersions !== undefined) {
-    bodyParams[
-      "secondarySourceVersions"
-    ] = serializeAws_json1_1ProjectSecondarySourceVersions(
-      input.secondarySourceVersions,
-      context
-    );
-  }
-  if (input.secondarySources !== undefined) {
-    bodyParams["secondarySources"] = serializeAws_json1_1ProjectSources(
-      input.secondarySources,
-      context
-    );
-  }
-  if (input.serviceRole !== undefined) {
-    bodyParams["serviceRole"] = input.serviceRole;
-  }
-  if (input.source !== undefined) {
-    bodyParams["source"] = serializeAws_json1_1ProjectSource(
-      input.source,
-      context
-    );
-  }
-  if (input.sourceVersion !== undefined) {
-    bodyParams["sourceVersion"] = input.sourceVersion;
-  }
-  if (input.tags !== undefined) {
-    bodyParams["tags"] = serializeAws_json1_1TagList(input.tags, context);
-  }
-  if (input.timeoutInMinutes !== undefined) {
-    bodyParams["timeoutInMinutes"] = input.timeoutInMinutes;
-  }
-  if (input.vpcConfig !== undefined) {
-    bodyParams["vpcConfig"] = serializeAws_json1_1VpcConfig(
-      input.vpcConfig,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.artifacts !== undefined && {
+      artifacts: serializeAws_json1_1ProjectArtifacts(input.artifacts, context)
+    }),
+    ...(input.badgeEnabled !== undefined && {
+      badgeEnabled: input.badgeEnabled
+    }),
+    ...(input.cache !== undefined && {
+      cache: serializeAws_json1_1ProjectCache(input.cache, context)
+    }),
+    ...(input.description !== undefined && { description: input.description }),
+    ...(input.encryptionKey !== undefined && {
+      encryptionKey: input.encryptionKey
+    }),
+    ...(input.environment !== undefined && {
+      environment: serializeAws_json1_1ProjectEnvironment(
+        input.environment,
+        context
+      )
+    }),
+    ...(input.logsConfig !== undefined && {
+      logsConfig: serializeAws_json1_1LogsConfig(input.logsConfig, context)
+    }),
+    ...(input.name !== undefined && { name: input.name }),
+    ...(input.queuedTimeoutInMinutes !== undefined && {
+      queuedTimeoutInMinutes: input.queuedTimeoutInMinutes
+    }),
+    ...(input.secondaryArtifacts !== undefined && {
+      secondaryArtifacts: serializeAws_json1_1ProjectArtifactsList(
+        input.secondaryArtifacts,
+        context
+      )
+    }),
+    ...(input.secondarySourceVersions !== undefined && {
+      secondarySourceVersions: serializeAws_json1_1ProjectSecondarySourceVersions(
+        input.secondarySourceVersions,
+        context
+      )
+    }),
+    ...(input.secondarySources !== undefined && {
+      secondarySources: serializeAws_json1_1ProjectSources(
+        input.secondarySources,
+        context
+      )
+    }),
+    ...(input.serviceRole !== undefined && { serviceRole: input.serviceRole }),
+    ...(input.source !== undefined && {
+      source: serializeAws_json1_1ProjectSource(input.source, context)
+    }),
+    ...(input.sourceVersion !== undefined && {
+      sourceVersion: input.sourceVersion
+    }),
+    ...(input.tags !== undefined && {
+      tags: serializeAws_json1_1TagList(input.tags, context)
+    }),
+    ...(input.timeoutInMinutes !== undefined && {
+      timeoutInMinutes: input.timeoutInMinutes
+    }),
+    ...(input.vpcConfig !== undefined && {
+      vpcConfig: serializeAws_json1_1VpcConfig(input.vpcConfig, context)
+    })
+  };
 };
 
 const serializeAws_json1_1CreateReportGroupInput = (
   input: CreateReportGroupInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.exportConfig !== undefined) {
-    bodyParams["exportConfig"] = serializeAws_json1_1ReportExportConfig(
-      input.exportConfig,
-      context
-    );
-  }
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  if (input.type !== undefined) {
-    bodyParams["type"] = input.type;
-  }
-  return bodyParams;
+  return {
+    ...(input.exportConfig !== undefined && {
+      exportConfig: serializeAws_json1_1ReportExportConfig(
+        input.exportConfig,
+        context
+      )
+    }),
+    ...(input.name !== undefined && { name: input.name }),
+    ...(input.type !== undefined && { type: input.type })
+  };
 };
 
 const serializeAws_json1_1CreateWebhookInput = (
   input: CreateWebhookInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.branchFilter !== undefined) {
-    bodyParams["branchFilter"] = input.branchFilter;
-  }
-  if (input.filterGroups !== undefined) {
-    bodyParams["filterGroups"] = serializeAws_json1_1FilterGroups(
-      input.filterGroups,
-      context
-    );
-  }
-  if (input.projectName !== undefined) {
-    bodyParams["projectName"] = input.projectName;
-  }
-  return bodyParams;
+  return {
+    ...(input.branchFilter !== undefined && {
+      branchFilter: input.branchFilter
+    }),
+    ...(input.filterGroups !== undefined && {
+      filterGroups: serializeAws_json1_1FilterGroups(
+        input.filterGroups,
+        context
+      )
+    }),
+    ...(input.projectName !== undefined && { projectName: input.projectName })
+  };
 };
 
 const serializeAws_json1_1DeleteProjectInput = (
   input: DeleteProjectInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  return bodyParams;
+  return {
+    ...(input.name !== undefined && { name: input.name })
+  };
 };
 
 const serializeAws_json1_1DeleteReportGroupInput = (
   input: DeleteReportGroupInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.arn !== undefined) {
-    bodyParams["arn"] = input.arn;
-  }
-  return bodyParams;
+  return {
+    ...(input.arn !== undefined && { arn: input.arn })
+  };
 };
 
 const serializeAws_json1_1DeleteReportInput = (
   input: DeleteReportInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.arn !== undefined) {
-    bodyParams["arn"] = input.arn;
-  }
-  return bodyParams;
+  return {
+    ...(input.arn !== undefined && { arn: input.arn })
+  };
 };
 
 const serializeAws_json1_1DeleteResourcePolicyInput = (
   input: DeleteResourcePolicyInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.resourceArn !== undefined) {
-    bodyParams["resourceArn"] = input.resourceArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.resourceArn !== undefined && { resourceArn: input.resourceArn })
+  };
 };
 
 const serializeAws_json1_1DeleteSourceCredentialsInput = (
   input: DeleteSourceCredentialsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.arn !== undefined) {
-    bodyParams["arn"] = input.arn;
-  }
-  return bodyParams;
+  return {
+    ...(input.arn !== undefined && { arn: input.arn })
+  };
 };
 
 const serializeAws_json1_1DeleteWebhookInput = (
   input: DeleteWebhookInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.projectName !== undefined) {
-    bodyParams["projectName"] = input.projectName;
-  }
-  return bodyParams;
+  return {
+    ...(input.projectName !== undefined && { projectName: input.projectName })
+  };
 };
 
 const serializeAws_json1_1DescribeTestCasesInput = (
   input: DescribeTestCasesInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.filter !== undefined) {
-    bodyParams["filter"] = serializeAws_json1_1TestCaseFilter(
-      input.filter,
-      context
-    );
-  }
-  if (input.maxResults !== undefined) {
-    bodyParams["maxResults"] = input.maxResults;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  if (input.reportArn !== undefined) {
-    bodyParams["reportArn"] = input.reportArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.filter !== undefined && {
+      filter: serializeAws_json1_1TestCaseFilter(input.filter, context)
+    }),
+    ...(input.maxResults !== undefined && { maxResults: input.maxResults }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken }),
+    ...(input.reportArn !== undefined && { reportArn: input.reportArn })
+  };
 };
 
 const serializeAws_json1_1EnvironmentVariable = (
   input: EnvironmentVariable,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  if (input.type !== undefined) {
-    bodyParams["type"] = input.type;
-  }
-  if (input.value !== undefined) {
-    bodyParams["value"] = input.value;
-  }
-  return bodyParams;
+  return {
+    ...(input.name !== undefined && { name: input.name }),
+    ...(input.type !== undefined && { type: input.type }),
+    ...(input.value !== undefined && { value: input.value })
+  };
 };
 
 const serializeAws_json1_1EnvironmentVariables = (
@@ -3521,284 +3453,199 @@ const serializeAws_json1_1GetResourcePolicyInput = (
   input: GetResourcePolicyInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.resourceArn !== undefined) {
-    bodyParams["resourceArn"] = input.resourceArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.resourceArn !== undefined && { resourceArn: input.resourceArn })
+  };
 };
 
 const serializeAws_json1_1GitSubmodulesConfig = (
   input: GitSubmodulesConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.fetchSubmodules !== undefined) {
-    bodyParams["fetchSubmodules"] = input.fetchSubmodules;
-  }
-  return bodyParams;
+  return {
+    ...(input.fetchSubmodules !== undefined && {
+      fetchSubmodules: input.fetchSubmodules
+    })
+  };
 };
 
 const serializeAws_json1_1ImportSourceCredentialsInput = (
   input: ImportSourceCredentialsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.authType !== undefined) {
-    bodyParams["authType"] = input.authType;
-  }
-  if (input.serverType !== undefined) {
-    bodyParams["serverType"] = input.serverType;
-  }
-  if (input.shouldOverwrite !== undefined) {
-    bodyParams["shouldOverwrite"] = input.shouldOverwrite;
-  }
-  if (input.token !== undefined) {
-    bodyParams["token"] = input.token;
-  }
-  if (input.username !== undefined) {
-    bodyParams["username"] = input.username;
-  }
-  return bodyParams;
+  return {
+    ...(input.authType !== undefined && { authType: input.authType }),
+    ...(input.serverType !== undefined && { serverType: input.serverType }),
+    ...(input.shouldOverwrite !== undefined && {
+      shouldOverwrite: input.shouldOverwrite
+    }),
+    ...(input.token !== undefined && { token: input.token }),
+    ...(input.username !== undefined && { username: input.username })
+  };
 };
 
 const serializeAws_json1_1InvalidateProjectCacheInput = (
   input: InvalidateProjectCacheInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.projectName !== undefined) {
-    bodyParams["projectName"] = input.projectName;
-  }
-  return bodyParams;
+  return {
+    ...(input.projectName !== undefined && { projectName: input.projectName })
+  };
 };
 
 const serializeAws_json1_1ListBuildsForProjectInput = (
   input: ListBuildsForProjectInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  if (input.projectName !== undefined) {
-    bodyParams["projectName"] = input.projectName;
-  }
-  if (input.sortOrder !== undefined) {
-    bodyParams["sortOrder"] = input.sortOrder;
-  }
-  return bodyParams;
+  return {
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken }),
+    ...(input.projectName !== undefined && { projectName: input.projectName }),
+    ...(input.sortOrder !== undefined && { sortOrder: input.sortOrder })
+  };
 };
 
 const serializeAws_json1_1ListBuildsInput = (
   input: ListBuildsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  if (input.sortOrder !== undefined) {
-    bodyParams["sortOrder"] = input.sortOrder;
-  }
-  return bodyParams;
+  return {
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken }),
+    ...(input.sortOrder !== undefined && { sortOrder: input.sortOrder })
+  };
 };
 
 const serializeAws_json1_1ListCuratedEnvironmentImagesInput = (
   input: ListCuratedEnvironmentImagesInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  return bodyParams;
+  return {};
 };
 
 const serializeAws_json1_1ListProjectsInput = (
   input: ListProjectsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  if (input.sortBy !== undefined) {
-    bodyParams["sortBy"] = input.sortBy;
-  }
-  if (input.sortOrder !== undefined) {
-    bodyParams["sortOrder"] = input.sortOrder;
-  }
-  return bodyParams;
+  return {
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken }),
+    ...(input.sortBy !== undefined && { sortBy: input.sortBy }),
+    ...(input.sortOrder !== undefined && { sortOrder: input.sortOrder })
+  };
 };
 
 const serializeAws_json1_1ListReportGroupsInput = (
   input: ListReportGroupsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.maxResults !== undefined) {
-    bodyParams["maxResults"] = input.maxResults;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  if (input.sortBy !== undefined) {
-    bodyParams["sortBy"] = input.sortBy;
-  }
-  if (input.sortOrder !== undefined) {
-    bodyParams["sortOrder"] = input.sortOrder;
-  }
-  return bodyParams;
+  return {
+    ...(input.maxResults !== undefined && { maxResults: input.maxResults }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken }),
+    ...(input.sortBy !== undefined && { sortBy: input.sortBy }),
+    ...(input.sortOrder !== undefined && { sortOrder: input.sortOrder })
+  };
 };
 
 const serializeAws_json1_1ListReportsForReportGroupInput = (
   input: ListReportsForReportGroupInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.filter !== undefined) {
-    bodyParams["filter"] = serializeAws_json1_1ReportFilter(
-      input.filter,
-      context
-    );
-  }
-  if (input.maxResults !== undefined) {
-    bodyParams["maxResults"] = input.maxResults;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  if (input.reportGroupArn !== undefined) {
-    bodyParams["reportGroupArn"] = input.reportGroupArn;
-  }
-  if (input.sortOrder !== undefined) {
-    bodyParams["sortOrder"] = input.sortOrder;
-  }
-  return bodyParams;
+  return {
+    ...(input.filter !== undefined && {
+      filter: serializeAws_json1_1ReportFilter(input.filter, context)
+    }),
+    ...(input.maxResults !== undefined && { maxResults: input.maxResults }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken }),
+    ...(input.reportGroupArn !== undefined && {
+      reportGroupArn: input.reportGroupArn
+    }),
+    ...(input.sortOrder !== undefined && { sortOrder: input.sortOrder })
+  };
 };
 
 const serializeAws_json1_1ListReportsInput = (
   input: ListReportsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.filter !== undefined) {
-    bodyParams["filter"] = serializeAws_json1_1ReportFilter(
-      input.filter,
-      context
-    );
-  }
-  if (input.maxResults !== undefined) {
-    bodyParams["maxResults"] = input.maxResults;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  if (input.sortOrder !== undefined) {
-    bodyParams["sortOrder"] = input.sortOrder;
-  }
-  return bodyParams;
+  return {
+    ...(input.filter !== undefined && {
+      filter: serializeAws_json1_1ReportFilter(input.filter, context)
+    }),
+    ...(input.maxResults !== undefined && { maxResults: input.maxResults }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken }),
+    ...(input.sortOrder !== undefined && { sortOrder: input.sortOrder })
+  };
 };
 
 const serializeAws_json1_1ListSharedProjectsInput = (
   input: ListSharedProjectsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.maxResults !== undefined) {
-    bodyParams["maxResults"] = input.maxResults;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  if (input.sortBy !== undefined) {
-    bodyParams["sortBy"] = input.sortBy;
-  }
-  if (input.sortOrder !== undefined) {
-    bodyParams["sortOrder"] = input.sortOrder;
-  }
-  return bodyParams;
+  return {
+    ...(input.maxResults !== undefined && { maxResults: input.maxResults }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken }),
+    ...(input.sortBy !== undefined && { sortBy: input.sortBy }),
+    ...(input.sortOrder !== undefined && { sortOrder: input.sortOrder })
+  };
 };
 
 const serializeAws_json1_1ListSharedReportGroupsInput = (
   input: ListSharedReportGroupsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.maxResults !== undefined) {
-    bodyParams["maxResults"] = input.maxResults;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  if (input.sortBy !== undefined) {
-    bodyParams["sortBy"] = input.sortBy;
-  }
-  if (input.sortOrder !== undefined) {
-    bodyParams["sortOrder"] = input.sortOrder;
-  }
-  return bodyParams;
+  return {
+    ...(input.maxResults !== undefined && { maxResults: input.maxResults }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken }),
+    ...(input.sortBy !== undefined && { sortBy: input.sortBy }),
+    ...(input.sortOrder !== undefined && { sortOrder: input.sortOrder })
+  };
 };
 
 const serializeAws_json1_1ListSourceCredentialsInput = (
   input: ListSourceCredentialsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  return bodyParams;
+  return {};
 };
 
 const serializeAws_json1_1LogsConfig = (
   input: LogsConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.cloudWatchLogs !== undefined) {
-    bodyParams["cloudWatchLogs"] = serializeAws_json1_1CloudWatchLogsConfig(
-      input.cloudWatchLogs,
-      context
-    );
-  }
-  if (input.s3Logs !== undefined) {
-    bodyParams["s3Logs"] = serializeAws_json1_1S3LogsConfig(
-      input.s3Logs,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.cloudWatchLogs !== undefined && {
+      cloudWatchLogs: serializeAws_json1_1CloudWatchLogsConfig(
+        input.cloudWatchLogs,
+        context
+      )
+    }),
+    ...(input.s3Logs !== undefined && {
+      s3Logs: serializeAws_json1_1S3LogsConfig(input.s3Logs, context)
+    })
+  };
 };
 
 const serializeAws_json1_1ProjectArtifacts = (
   input: ProjectArtifacts,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.artifactIdentifier !== undefined) {
-    bodyParams["artifactIdentifier"] = input.artifactIdentifier;
-  }
-  if (input.encryptionDisabled !== undefined) {
-    bodyParams["encryptionDisabled"] = input.encryptionDisabled;
-  }
-  if (input.location !== undefined) {
-    bodyParams["location"] = input.location;
-  }
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  if (input.namespaceType !== undefined) {
-    bodyParams["namespaceType"] = input.namespaceType;
-  }
-  if (input.overrideArtifactName !== undefined) {
-    bodyParams["overrideArtifactName"] = input.overrideArtifactName;
-  }
-  if (input.packaging !== undefined) {
-    bodyParams["packaging"] = input.packaging;
-  }
-  if (input.path !== undefined) {
-    bodyParams["path"] = input.path;
-  }
-  if (input.type !== undefined) {
-    bodyParams["type"] = input.type;
-  }
-  return bodyParams;
+  return {
+    ...(input.artifactIdentifier !== undefined && {
+      artifactIdentifier: input.artifactIdentifier
+    }),
+    ...(input.encryptionDisabled !== undefined && {
+      encryptionDisabled: input.encryptionDisabled
+    }),
+    ...(input.location !== undefined && { location: input.location }),
+    ...(input.name !== undefined && { name: input.name }),
+    ...(input.namespaceType !== undefined && {
+      namespaceType: input.namespaceType
+    }),
+    ...(input.overrideArtifactName !== undefined && {
+      overrideArtifactName: input.overrideArtifactName
+    }),
+    ...(input.packaging !== undefined && { packaging: input.packaging }),
+    ...(input.path !== undefined && { path: input.path }),
+    ...(input.type !== undefined && { type: input.type })
+  };
 };
 
 const serializeAws_json1_1ProjectArtifactsList = (
@@ -3814,20 +3661,13 @@ const serializeAws_json1_1ProjectCache = (
   input: ProjectCache,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.location !== undefined) {
-    bodyParams["location"] = input.location;
-  }
-  if (input.modes !== undefined) {
-    bodyParams["modes"] = serializeAws_json1_1ProjectCacheModes(
-      input.modes,
-      context
-    );
-  }
-  if (input.type !== undefined) {
-    bodyParams["type"] = input.type;
-  }
-  return bodyParams;
+  return {
+    ...(input.location !== undefined && { location: input.location }),
+    ...(input.modes !== undefined && {
+      modes: serializeAws_json1_1ProjectCacheModes(input.modes, context)
+    }),
+    ...(input.type !== undefined && { type: input.type })
+  };
 };
 
 const serializeAws_json1_1ProjectCacheModes = (
@@ -3841,40 +3681,30 @@ const serializeAws_json1_1ProjectEnvironment = (
   input: ProjectEnvironment,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.certificate !== undefined) {
-    bodyParams["certificate"] = input.certificate;
-  }
-  if (input.computeType !== undefined) {
-    bodyParams["computeType"] = input.computeType;
-  }
-  if (input.environmentVariables !== undefined) {
-    bodyParams[
-      "environmentVariables"
-    ] = serializeAws_json1_1EnvironmentVariables(
-      input.environmentVariables,
-      context
-    );
-  }
-  if (input.image !== undefined) {
-    bodyParams["image"] = input.image;
-  }
-  if (input.imagePullCredentialsType !== undefined) {
-    bodyParams["imagePullCredentialsType"] = input.imagePullCredentialsType;
-  }
-  if (input.privilegedMode !== undefined) {
-    bodyParams["privilegedMode"] = input.privilegedMode;
-  }
-  if (input.registryCredential !== undefined) {
-    bodyParams["registryCredential"] = serializeAws_json1_1RegistryCredential(
-      input.registryCredential,
-      context
-    );
-  }
-  if (input.type !== undefined) {
-    bodyParams["type"] = input.type;
-  }
-  return bodyParams;
+  return {
+    ...(input.certificate !== undefined && { certificate: input.certificate }),
+    ...(input.computeType !== undefined && { computeType: input.computeType }),
+    ...(input.environmentVariables !== undefined && {
+      environmentVariables: serializeAws_json1_1EnvironmentVariables(
+        input.environmentVariables,
+        context
+      )
+    }),
+    ...(input.image !== undefined && { image: input.image }),
+    ...(input.imagePullCredentialsType !== undefined && {
+      imagePullCredentialsType: input.imagePullCredentialsType
+    }),
+    ...(input.privilegedMode !== undefined && {
+      privilegedMode: input.privilegedMode
+    }),
+    ...(input.registryCredential !== undefined && {
+      registryCredential: serializeAws_json1_1RegistryCredential(
+        input.registryCredential,
+        context
+      )
+    }),
+    ...(input.type !== undefined && { type: input.type })
+  };
 };
 
 const serializeAws_json1_1ProjectNames = (
@@ -3897,52 +3727,44 @@ const serializeAws_json1_1ProjectSource = (
   input: ProjectSource,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.auth !== undefined) {
-    bodyParams["auth"] = serializeAws_json1_1SourceAuth(input.auth, context);
-  }
-  if (input.buildspec !== undefined) {
-    bodyParams["buildspec"] = input.buildspec;
-  }
-  if (input.gitCloneDepth !== undefined) {
-    bodyParams["gitCloneDepth"] = input.gitCloneDepth;
-  }
-  if (input.gitSubmodulesConfig !== undefined) {
-    bodyParams["gitSubmodulesConfig"] = serializeAws_json1_1GitSubmodulesConfig(
-      input.gitSubmodulesConfig,
-      context
-    );
-  }
-  if (input.insecureSsl !== undefined) {
-    bodyParams["insecureSsl"] = input.insecureSsl;
-  }
-  if (input.location !== undefined) {
-    bodyParams["location"] = input.location;
-  }
-  if (input.reportBuildStatus !== undefined) {
-    bodyParams["reportBuildStatus"] = input.reportBuildStatus;
-  }
-  if (input.sourceIdentifier !== undefined) {
-    bodyParams["sourceIdentifier"] = input.sourceIdentifier;
-  }
-  if (input.type !== undefined) {
-    bodyParams["type"] = input.type;
-  }
-  return bodyParams;
+  return {
+    ...(input.auth !== undefined && {
+      auth: serializeAws_json1_1SourceAuth(input.auth, context)
+    }),
+    ...(input.buildspec !== undefined && { buildspec: input.buildspec }),
+    ...(input.gitCloneDepth !== undefined && {
+      gitCloneDepth: input.gitCloneDepth
+    }),
+    ...(input.gitSubmodulesConfig !== undefined && {
+      gitSubmodulesConfig: serializeAws_json1_1GitSubmodulesConfig(
+        input.gitSubmodulesConfig,
+        context
+      )
+    }),
+    ...(input.insecureSsl !== undefined && { insecureSsl: input.insecureSsl }),
+    ...(input.location !== undefined && { location: input.location }),
+    ...(input.reportBuildStatus !== undefined && {
+      reportBuildStatus: input.reportBuildStatus
+    }),
+    ...(input.sourceIdentifier !== undefined && {
+      sourceIdentifier: input.sourceIdentifier
+    }),
+    ...(input.type !== undefined && { type: input.type })
+  };
 };
 
 const serializeAws_json1_1ProjectSourceVersion = (
   input: ProjectSourceVersion,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.sourceIdentifier !== undefined) {
-    bodyParams["sourceIdentifier"] = input.sourceIdentifier;
-  }
-  if (input.sourceVersion !== undefined) {
-    bodyParams["sourceVersion"] = input.sourceVersion;
-  }
-  return bodyParams;
+  return {
+    ...(input.sourceIdentifier !== undefined && {
+      sourceIdentifier: input.sourceIdentifier
+    }),
+    ...(input.sourceVersion !== undefined && {
+      sourceVersion: input.sourceVersion
+    })
+  };
 };
 
 const serializeAws_json1_1ProjectSources = (
@@ -3956,28 +3778,22 @@ const serializeAws_json1_1PutResourcePolicyInput = (
   input: PutResourcePolicyInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.policy !== undefined) {
-    bodyParams["policy"] = input.policy;
-  }
-  if (input.resourceArn !== undefined) {
-    bodyParams["resourceArn"] = input.resourceArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.policy !== undefined && { policy: input.policy }),
+    ...(input.resourceArn !== undefined && { resourceArn: input.resourceArn })
+  };
 };
 
 const serializeAws_json1_1RegistryCredential = (
   input: RegistryCredential,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.credential !== undefined) {
-    bodyParams["credential"] = input.credential;
-  }
-  if (input.credentialProvider !== undefined) {
-    bodyParams["credentialProvider"] = input.credentialProvider;
-  }
-  return bodyParams;
+  return {
+    ...(input.credential !== undefined && { credential: input.credential }),
+    ...(input.credentialProvider !== undefined && {
+      credentialProvider: input.credentialProvider
+    })
+  };
 };
 
 const serializeAws_json1_1ReportArns = (
@@ -3991,28 +3807,26 @@ const serializeAws_json1_1ReportExportConfig = (
   input: ReportExportConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.exportConfigType !== undefined) {
-    bodyParams["exportConfigType"] = input.exportConfigType;
-  }
-  if (input.s3Destination !== undefined) {
-    bodyParams["s3Destination"] = serializeAws_json1_1S3ReportExportConfig(
-      input.s3Destination,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.exportConfigType !== undefined && {
+      exportConfigType: input.exportConfigType
+    }),
+    ...(input.s3Destination !== undefined && {
+      s3Destination: serializeAws_json1_1S3ReportExportConfig(
+        input.s3Destination,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1ReportFilter = (
   input: ReportFilter,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.status !== undefined) {
-    bodyParams["status"] = input.status;
-  }
-  return bodyParams;
+  return {
+    ...(input.status !== undefined && { status: input.status })
+  };
 };
 
 const serializeAws_json1_1ReportGroupArns = (
@@ -4026,40 +3840,30 @@ const serializeAws_json1_1S3LogsConfig = (
   input: S3LogsConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.encryptionDisabled !== undefined) {
-    bodyParams["encryptionDisabled"] = input.encryptionDisabled;
-  }
-  if (input.location !== undefined) {
-    bodyParams["location"] = input.location;
-  }
-  if (input.status !== undefined) {
-    bodyParams["status"] = input.status;
-  }
-  return bodyParams;
+  return {
+    ...(input.encryptionDisabled !== undefined && {
+      encryptionDisabled: input.encryptionDisabled
+    }),
+    ...(input.location !== undefined && { location: input.location }),
+    ...(input.status !== undefined && { status: input.status })
+  };
 };
 
 const serializeAws_json1_1S3ReportExportConfig = (
   input: S3ReportExportConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.bucket !== undefined) {
-    bodyParams["bucket"] = input.bucket;
-  }
-  if (input.encryptionDisabled !== undefined) {
-    bodyParams["encryptionDisabled"] = input.encryptionDisabled;
-  }
-  if (input.encryptionKey !== undefined) {
-    bodyParams["encryptionKey"] = input.encryptionKey;
-  }
-  if (input.packaging !== undefined) {
-    bodyParams["packaging"] = input.packaging;
-  }
-  if (input.path !== undefined) {
-    bodyParams["path"] = input.path;
-  }
-  return bodyParams;
+  return {
+    ...(input.bucket !== undefined && { bucket: input.bucket }),
+    ...(input.encryptionDisabled !== undefined && {
+      encryptionDisabled: input.encryptionDisabled
+    }),
+    ...(input.encryptionKey !== undefined && {
+      encryptionKey: input.encryptionKey
+    }),
+    ...(input.packaging !== undefined && { packaging: input.packaging }),
+    ...(input.path !== undefined && { path: input.path })
+  };
 };
 
 const serializeAws_json1_1SecurityGroupIds = (
@@ -4073,162 +3877,142 @@ const serializeAws_json1_1SourceAuth = (
   input: SourceAuth,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.resource !== undefined) {
-    bodyParams["resource"] = input.resource;
-  }
-  if (input.type !== undefined) {
-    bodyParams["type"] = input.type;
-  }
-  return bodyParams;
+  return {
+    ...(input.resource !== undefined && { resource: input.resource }),
+    ...(input.type !== undefined && { type: input.type })
+  };
 };
 
 const serializeAws_json1_1StartBuildInput = (
   input: StartBuildInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.artifactsOverride !== undefined) {
-    bodyParams["artifactsOverride"] = serializeAws_json1_1ProjectArtifacts(
-      input.artifactsOverride,
-      context
-    );
-  }
-  if (input.buildspecOverride !== undefined) {
-    bodyParams["buildspecOverride"] = input.buildspecOverride;
-  }
-  if (input.cacheOverride !== undefined) {
-    bodyParams["cacheOverride"] = serializeAws_json1_1ProjectCache(
-      input.cacheOverride,
-      context
-    );
-  }
-  if (input.certificateOverride !== undefined) {
-    bodyParams["certificateOverride"] = input.certificateOverride;
-  }
-  if (input.computeTypeOverride !== undefined) {
-    bodyParams["computeTypeOverride"] = input.computeTypeOverride;
-  }
-  if (input.encryptionKeyOverride !== undefined) {
-    bodyParams["encryptionKeyOverride"] = input.encryptionKeyOverride;
-  }
-  if (input.environmentTypeOverride !== undefined) {
-    bodyParams["environmentTypeOverride"] = input.environmentTypeOverride;
-  }
-  if (input.environmentVariablesOverride !== undefined) {
-    bodyParams[
-      "environmentVariablesOverride"
-    ] = serializeAws_json1_1EnvironmentVariables(
-      input.environmentVariablesOverride,
-      context
-    );
-  }
-  if (input.gitCloneDepthOverride !== undefined) {
-    bodyParams["gitCloneDepthOverride"] = input.gitCloneDepthOverride;
-  }
-  if (input.gitSubmodulesConfigOverride !== undefined) {
-    bodyParams[
-      "gitSubmodulesConfigOverride"
-    ] = serializeAws_json1_1GitSubmodulesConfig(
-      input.gitSubmodulesConfigOverride,
-      context
-    );
-  }
-  if (input.idempotencyToken !== undefined) {
-    bodyParams["idempotencyToken"] = input.idempotencyToken;
-  }
-  if (input.imageOverride !== undefined) {
-    bodyParams["imageOverride"] = input.imageOverride;
-  }
-  if (input.imagePullCredentialsTypeOverride !== undefined) {
-    bodyParams["imagePullCredentialsTypeOverride"] =
-      input.imagePullCredentialsTypeOverride;
-  }
-  if (input.insecureSslOverride !== undefined) {
-    bodyParams["insecureSslOverride"] = input.insecureSslOverride;
-  }
-  if (input.logsConfigOverride !== undefined) {
-    bodyParams["logsConfigOverride"] = serializeAws_json1_1LogsConfig(
-      input.logsConfigOverride,
-      context
-    );
-  }
-  if (input.privilegedModeOverride !== undefined) {
-    bodyParams["privilegedModeOverride"] = input.privilegedModeOverride;
-  }
-  if (input.projectName !== undefined) {
-    bodyParams["projectName"] = input.projectName;
-  }
-  if (input.queuedTimeoutInMinutesOverride !== undefined) {
-    bodyParams["queuedTimeoutInMinutesOverride"] =
-      input.queuedTimeoutInMinutesOverride;
-  }
-  if (input.registryCredentialOverride !== undefined) {
-    bodyParams[
-      "registryCredentialOverride"
-    ] = serializeAws_json1_1RegistryCredential(
-      input.registryCredentialOverride,
-      context
-    );
-  }
-  if (input.reportBuildStatusOverride !== undefined) {
-    bodyParams["reportBuildStatusOverride"] = input.reportBuildStatusOverride;
-  }
-  if (input.secondaryArtifactsOverride !== undefined) {
-    bodyParams[
-      "secondaryArtifactsOverride"
-    ] = serializeAws_json1_1ProjectArtifactsList(
-      input.secondaryArtifactsOverride,
-      context
-    );
-  }
-  if (input.secondarySourcesOverride !== undefined) {
-    bodyParams["secondarySourcesOverride"] = serializeAws_json1_1ProjectSources(
-      input.secondarySourcesOverride,
-      context
-    );
-  }
-  if (input.secondarySourcesVersionOverride !== undefined) {
-    bodyParams[
-      "secondarySourcesVersionOverride"
-    ] = serializeAws_json1_1ProjectSecondarySourceVersions(
-      input.secondarySourcesVersionOverride,
-      context
-    );
-  }
-  if (input.serviceRoleOverride !== undefined) {
-    bodyParams["serviceRoleOverride"] = input.serviceRoleOverride;
-  }
-  if (input.sourceAuthOverride !== undefined) {
-    bodyParams["sourceAuthOverride"] = serializeAws_json1_1SourceAuth(
-      input.sourceAuthOverride,
-      context
-    );
-  }
-  if (input.sourceLocationOverride !== undefined) {
-    bodyParams["sourceLocationOverride"] = input.sourceLocationOverride;
-  }
-  if (input.sourceTypeOverride !== undefined) {
-    bodyParams["sourceTypeOverride"] = input.sourceTypeOverride;
-  }
-  if (input.sourceVersion !== undefined) {
-    bodyParams["sourceVersion"] = input.sourceVersion;
-  }
-  if (input.timeoutInMinutesOverride !== undefined) {
-    bodyParams["timeoutInMinutesOverride"] = input.timeoutInMinutesOverride;
-  }
-  return bodyParams;
+  return {
+    ...(input.artifactsOverride !== undefined && {
+      artifactsOverride: serializeAws_json1_1ProjectArtifacts(
+        input.artifactsOverride,
+        context
+      )
+    }),
+    ...(input.buildspecOverride !== undefined && {
+      buildspecOverride: input.buildspecOverride
+    }),
+    ...(input.cacheOverride !== undefined && {
+      cacheOverride: serializeAws_json1_1ProjectCache(
+        input.cacheOverride,
+        context
+      )
+    }),
+    ...(input.certificateOverride !== undefined && {
+      certificateOverride: input.certificateOverride
+    }),
+    ...(input.computeTypeOverride !== undefined && {
+      computeTypeOverride: input.computeTypeOverride
+    }),
+    ...(input.encryptionKeyOverride !== undefined && {
+      encryptionKeyOverride: input.encryptionKeyOverride
+    }),
+    ...(input.environmentTypeOverride !== undefined && {
+      environmentTypeOverride: input.environmentTypeOverride
+    }),
+    ...(input.environmentVariablesOverride !== undefined && {
+      environmentVariablesOverride: serializeAws_json1_1EnvironmentVariables(
+        input.environmentVariablesOverride,
+        context
+      )
+    }),
+    ...(input.gitCloneDepthOverride !== undefined && {
+      gitCloneDepthOverride: input.gitCloneDepthOverride
+    }),
+    ...(input.gitSubmodulesConfigOverride !== undefined && {
+      gitSubmodulesConfigOverride: serializeAws_json1_1GitSubmodulesConfig(
+        input.gitSubmodulesConfigOverride,
+        context
+      )
+    }),
+    ...(input.idempotencyToken !== undefined && {
+      idempotencyToken: input.idempotencyToken
+    }),
+    ...(input.imageOverride !== undefined && {
+      imageOverride: input.imageOverride
+    }),
+    ...(input.imagePullCredentialsTypeOverride !== undefined && {
+      imagePullCredentialsTypeOverride: input.imagePullCredentialsTypeOverride
+    }),
+    ...(input.insecureSslOverride !== undefined && {
+      insecureSslOverride: input.insecureSslOverride
+    }),
+    ...(input.logsConfigOverride !== undefined && {
+      logsConfigOverride: serializeAws_json1_1LogsConfig(
+        input.logsConfigOverride,
+        context
+      )
+    }),
+    ...(input.privilegedModeOverride !== undefined && {
+      privilegedModeOverride: input.privilegedModeOverride
+    }),
+    ...(input.projectName !== undefined && { projectName: input.projectName }),
+    ...(input.queuedTimeoutInMinutesOverride !== undefined && {
+      queuedTimeoutInMinutesOverride: input.queuedTimeoutInMinutesOverride
+    }),
+    ...(input.registryCredentialOverride !== undefined && {
+      registryCredentialOverride: serializeAws_json1_1RegistryCredential(
+        input.registryCredentialOverride,
+        context
+      )
+    }),
+    ...(input.reportBuildStatusOverride !== undefined && {
+      reportBuildStatusOverride: input.reportBuildStatusOverride
+    }),
+    ...(input.secondaryArtifactsOverride !== undefined && {
+      secondaryArtifactsOverride: serializeAws_json1_1ProjectArtifactsList(
+        input.secondaryArtifactsOverride,
+        context
+      )
+    }),
+    ...(input.secondarySourcesOverride !== undefined && {
+      secondarySourcesOverride: serializeAws_json1_1ProjectSources(
+        input.secondarySourcesOverride,
+        context
+      )
+    }),
+    ...(input.secondarySourcesVersionOverride !== undefined && {
+      secondarySourcesVersionOverride: serializeAws_json1_1ProjectSecondarySourceVersions(
+        input.secondarySourcesVersionOverride,
+        context
+      )
+    }),
+    ...(input.serviceRoleOverride !== undefined && {
+      serviceRoleOverride: input.serviceRoleOverride
+    }),
+    ...(input.sourceAuthOverride !== undefined && {
+      sourceAuthOverride: serializeAws_json1_1SourceAuth(
+        input.sourceAuthOverride,
+        context
+      )
+    }),
+    ...(input.sourceLocationOverride !== undefined && {
+      sourceLocationOverride: input.sourceLocationOverride
+    }),
+    ...(input.sourceTypeOverride !== undefined && {
+      sourceTypeOverride: input.sourceTypeOverride
+    }),
+    ...(input.sourceVersion !== undefined && {
+      sourceVersion: input.sourceVersion
+    }),
+    ...(input.timeoutInMinutesOverride !== undefined && {
+      timeoutInMinutesOverride: input.timeoutInMinutesOverride
+    })
+  };
 };
 
 const serializeAws_json1_1StopBuildInput = (
   input: StopBuildInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.id !== undefined) {
-    bodyParams["id"] = input.id;
-  }
-  return bodyParams;
+  return {
+    ...(input.id !== undefined && { id: input.id })
+  };
 };
 
 const serializeAws_json1_1Subnets = (
@@ -4239,14 +4023,10 @@ const serializeAws_json1_1Subnets = (
 };
 
 const serializeAws_json1_1Tag = (input: Tag, context: __SerdeContext): any => {
-  const bodyParams: any = {};
-  if (input.key !== undefined) {
-    bodyParams["key"] = input.key;
-  }
-  if (input.value !== undefined) {
-    bodyParams["value"] = input.value;
-  }
-  return bodyParams;
+  return {
+    ...(input.key !== undefined && { key: input.key }),
+    ...(input.value !== undefined && { value: input.value })
+  };
 };
 
 const serializeAws_json1_1TagList = (
@@ -4260,179 +4040,144 @@ const serializeAws_json1_1TestCaseFilter = (
   input: TestCaseFilter,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.status !== undefined) {
-    bodyParams["status"] = input.status;
-  }
-  return bodyParams;
+  return {
+    ...(input.status !== undefined && { status: input.status })
+  };
 };
 
 const serializeAws_json1_1UpdateProjectInput = (
   input: UpdateProjectInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.artifacts !== undefined) {
-    bodyParams["artifacts"] = serializeAws_json1_1ProjectArtifacts(
-      input.artifacts,
-      context
-    );
-  }
-  if (input.badgeEnabled !== undefined) {
-    bodyParams["badgeEnabled"] = input.badgeEnabled;
-  }
-  if (input.cache !== undefined) {
-    bodyParams["cache"] = serializeAws_json1_1ProjectCache(
-      input.cache,
-      context
-    );
-  }
-  if (input.description !== undefined) {
-    bodyParams["description"] = input.description;
-  }
-  if (input.encryptionKey !== undefined) {
-    bodyParams["encryptionKey"] = input.encryptionKey;
-  }
-  if (input.environment !== undefined) {
-    bodyParams["environment"] = serializeAws_json1_1ProjectEnvironment(
-      input.environment,
-      context
-    );
-  }
-  if (input.logsConfig !== undefined) {
-    bodyParams["logsConfig"] = serializeAws_json1_1LogsConfig(
-      input.logsConfig,
-      context
-    );
-  }
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  if (input.queuedTimeoutInMinutes !== undefined) {
-    bodyParams["queuedTimeoutInMinutes"] = input.queuedTimeoutInMinutes;
-  }
-  if (input.secondaryArtifacts !== undefined) {
-    bodyParams["secondaryArtifacts"] = serializeAws_json1_1ProjectArtifactsList(
-      input.secondaryArtifacts,
-      context
-    );
-  }
-  if (input.secondarySourceVersions !== undefined) {
-    bodyParams[
-      "secondarySourceVersions"
-    ] = serializeAws_json1_1ProjectSecondarySourceVersions(
-      input.secondarySourceVersions,
-      context
-    );
-  }
-  if (input.secondarySources !== undefined) {
-    bodyParams["secondarySources"] = serializeAws_json1_1ProjectSources(
-      input.secondarySources,
-      context
-    );
-  }
-  if (input.serviceRole !== undefined) {
-    bodyParams["serviceRole"] = input.serviceRole;
-  }
-  if (input.source !== undefined) {
-    bodyParams["source"] = serializeAws_json1_1ProjectSource(
-      input.source,
-      context
-    );
-  }
-  if (input.sourceVersion !== undefined) {
-    bodyParams["sourceVersion"] = input.sourceVersion;
-  }
-  if (input.tags !== undefined) {
-    bodyParams["tags"] = serializeAws_json1_1TagList(input.tags, context);
-  }
-  if (input.timeoutInMinutes !== undefined) {
-    bodyParams["timeoutInMinutes"] = input.timeoutInMinutes;
-  }
-  if (input.vpcConfig !== undefined) {
-    bodyParams["vpcConfig"] = serializeAws_json1_1VpcConfig(
-      input.vpcConfig,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.artifacts !== undefined && {
+      artifacts: serializeAws_json1_1ProjectArtifacts(input.artifacts, context)
+    }),
+    ...(input.badgeEnabled !== undefined && {
+      badgeEnabled: input.badgeEnabled
+    }),
+    ...(input.cache !== undefined && {
+      cache: serializeAws_json1_1ProjectCache(input.cache, context)
+    }),
+    ...(input.description !== undefined && { description: input.description }),
+    ...(input.encryptionKey !== undefined && {
+      encryptionKey: input.encryptionKey
+    }),
+    ...(input.environment !== undefined && {
+      environment: serializeAws_json1_1ProjectEnvironment(
+        input.environment,
+        context
+      )
+    }),
+    ...(input.logsConfig !== undefined && {
+      logsConfig: serializeAws_json1_1LogsConfig(input.logsConfig, context)
+    }),
+    ...(input.name !== undefined && { name: input.name }),
+    ...(input.queuedTimeoutInMinutes !== undefined && {
+      queuedTimeoutInMinutes: input.queuedTimeoutInMinutes
+    }),
+    ...(input.secondaryArtifacts !== undefined && {
+      secondaryArtifacts: serializeAws_json1_1ProjectArtifactsList(
+        input.secondaryArtifacts,
+        context
+      )
+    }),
+    ...(input.secondarySourceVersions !== undefined && {
+      secondarySourceVersions: serializeAws_json1_1ProjectSecondarySourceVersions(
+        input.secondarySourceVersions,
+        context
+      )
+    }),
+    ...(input.secondarySources !== undefined && {
+      secondarySources: serializeAws_json1_1ProjectSources(
+        input.secondarySources,
+        context
+      )
+    }),
+    ...(input.serviceRole !== undefined && { serviceRole: input.serviceRole }),
+    ...(input.source !== undefined && {
+      source: serializeAws_json1_1ProjectSource(input.source, context)
+    }),
+    ...(input.sourceVersion !== undefined && {
+      sourceVersion: input.sourceVersion
+    }),
+    ...(input.tags !== undefined && {
+      tags: serializeAws_json1_1TagList(input.tags, context)
+    }),
+    ...(input.timeoutInMinutes !== undefined && {
+      timeoutInMinutes: input.timeoutInMinutes
+    }),
+    ...(input.vpcConfig !== undefined && {
+      vpcConfig: serializeAws_json1_1VpcConfig(input.vpcConfig, context)
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateReportGroupInput = (
   input: UpdateReportGroupInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.arn !== undefined) {
-    bodyParams["arn"] = input.arn;
-  }
-  if (input.exportConfig !== undefined) {
-    bodyParams["exportConfig"] = serializeAws_json1_1ReportExportConfig(
-      input.exportConfig,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.arn !== undefined && { arn: input.arn }),
+    ...(input.exportConfig !== undefined && {
+      exportConfig: serializeAws_json1_1ReportExportConfig(
+        input.exportConfig,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateWebhookInput = (
   input: UpdateWebhookInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.branchFilter !== undefined) {
-    bodyParams["branchFilter"] = input.branchFilter;
-  }
-  if (input.filterGroups !== undefined) {
-    bodyParams["filterGroups"] = serializeAws_json1_1FilterGroups(
-      input.filterGroups,
-      context
-    );
-  }
-  if (input.projectName !== undefined) {
-    bodyParams["projectName"] = input.projectName;
-  }
-  if (input.rotateSecret !== undefined) {
-    bodyParams["rotateSecret"] = input.rotateSecret;
-  }
-  return bodyParams;
+  return {
+    ...(input.branchFilter !== undefined && {
+      branchFilter: input.branchFilter
+    }),
+    ...(input.filterGroups !== undefined && {
+      filterGroups: serializeAws_json1_1FilterGroups(
+        input.filterGroups,
+        context
+      )
+    }),
+    ...(input.projectName !== undefined && { projectName: input.projectName }),
+    ...(input.rotateSecret !== undefined && {
+      rotateSecret: input.rotateSecret
+    })
+  };
 };
 
 const serializeAws_json1_1VpcConfig = (
   input: VpcConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.securityGroupIds !== undefined) {
-    bodyParams["securityGroupIds"] = serializeAws_json1_1SecurityGroupIds(
-      input.securityGroupIds,
-      context
-    );
-  }
-  if (input.subnets !== undefined) {
-    bodyParams["subnets"] = serializeAws_json1_1Subnets(input.subnets, context);
-  }
-  if (input.vpcId !== undefined) {
-    bodyParams["vpcId"] = input.vpcId;
-  }
-  return bodyParams;
+  return {
+    ...(input.securityGroupIds !== undefined && {
+      securityGroupIds: serializeAws_json1_1SecurityGroupIds(
+        input.securityGroupIds,
+        context
+      )
+    }),
+    ...(input.subnets !== undefined && {
+      subnets: serializeAws_json1_1Subnets(input.subnets, context)
+    }),
+    ...(input.vpcId !== undefined && { vpcId: input.vpcId })
+  };
 };
 
 const serializeAws_json1_1WebhookFilter = (
   input: WebhookFilter,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.excludeMatchedPattern !== undefined) {
-    bodyParams["excludeMatchedPattern"] = input.excludeMatchedPattern;
-  }
-  if (input.pattern !== undefined) {
-    bodyParams["pattern"] = input.pattern;
-  }
-  if (input.type !== undefined) {
-    bodyParams["type"] = input.type;
-  }
-  return bodyParams;
+  return {
+    ...(input.excludeMatchedPattern !== undefined && {
+      excludeMatchedPattern: input.excludeMatchedPattern
+    }),
+    ...(input.pattern !== undefined && { pattern: input.pattern }),
+    ...(input.type !== undefined && { type: input.type })
+  };
 };
 
 const deserializeAws_json1_1AccountLimitExceededException = (
diff --git a/clients/client-codecommit/protocols/Aws_json1_1.ts b/clients/client-codecommit/protocols/Aws_json1_1.ts
index 49274fe6f152..c32b9b0733c8 100644
--- a/clients/client-codecommit/protocols/Aws_json1_1.ts
+++ b/clients/client-codecommit/protocols/Aws_json1_1.ts
@@ -20501,120 +20501,113 @@ const serializeAws_json1_1AssociateApprovalRuleTemplateWithRepositoryInput = (
   input: AssociateApprovalRuleTemplateWithRepositoryInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.approvalRuleTemplateName !== undefined) {
-    bodyParams["approvalRuleTemplateName"] = input.approvalRuleTemplateName;
-  }
-  if (input.repositoryName !== undefined) {
-    bodyParams["repositoryName"] = input.repositoryName;
-  }
-  return bodyParams;
+  return {
+    ...(input.approvalRuleTemplateName !== undefined && {
+      approvalRuleTemplateName: input.approvalRuleTemplateName
+    }),
+    ...(input.repositoryName !== undefined && {
+      repositoryName: input.repositoryName
+    })
+  };
 };
 
 const serializeAws_json1_1BatchAssociateApprovalRuleTemplateWithRepositoriesInput = (
   input: BatchAssociateApprovalRuleTemplateWithRepositoriesInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.approvalRuleTemplateName !== undefined) {
-    bodyParams["approvalRuleTemplateName"] = input.approvalRuleTemplateName;
-  }
-  if (input.repositoryNames !== undefined) {
-    bodyParams["repositoryNames"] = serializeAws_json1_1RepositoryNameList(
-      input.repositoryNames,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.approvalRuleTemplateName !== undefined && {
+      approvalRuleTemplateName: input.approvalRuleTemplateName
+    }),
+    ...(input.repositoryNames !== undefined && {
+      repositoryNames: serializeAws_json1_1RepositoryNameList(
+        input.repositoryNames,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1BatchDescribeMergeConflictsInput = (
   input: BatchDescribeMergeConflictsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.conflictDetailLevel !== undefined) {
-    bodyParams["conflictDetailLevel"] = input.conflictDetailLevel;
-  }
-  if (input.conflictResolutionStrategy !== undefined) {
-    bodyParams["conflictResolutionStrategy"] = input.conflictResolutionStrategy;
-  }
-  if (input.destinationCommitSpecifier !== undefined) {
-    bodyParams["destinationCommitSpecifier"] = input.destinationCommitSpecifier;
-  }
-  if (input.filePaths !== undefined) {
-    bodyParams["filePaths"] = serializeAws_json1_1FilePaths(
-      input.filePaths,
-      context
-    );
-  }
-  if (input.maxConflictFiles !== undefined) {
-    bodyParams["maxConflictFiles"] = input.maxConflictFiles;
-  }
-  if (input.maxMergeHunks !== undefined) {
-    bodyParams["maxMergeHunks"] = input.maxMergeHunks;
-  }
-  if (input.mergeOption !== undefined) {
-    bodyParams["mergeOption"] = input.mergeOption;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  if (input.repositoryName !== undefined) {
-    bodyParams["repositoryName"] = input.repositoryName;
-  }
-  if (input.sourceCommitSpecifier !== undefined) {
-    bodyParams["sourceCommitSpecifier"] = input.sourceCommitSpecifier;
-  }
-  return bodyParams;
+  return {
+    ...(input.conflictDetailLevel !== undefined && {
+      conflictDetailLevel: input.conflictDetailLevel
+    }),
+    ...(input.conflictResolutionStrategy !== undefined && {
+      conflictResolutionStrategy: input.conflictResolutionStrategy
+    }),
+    ...(input.destinationCommitSpecifier !== undefined && {
+      destinationCommitSpecifier: input.destinationCommitSpecifier
+    }),
+    ...(input.filePaths !== undefined && {
+      filePaths: serializeAws_json1_1FilePaths(input.filePaths, context)
+    }),
+    ...(input.maxConflictFiles !== undefined && {
+      maxConflictFiles: input.maxConflictFiles
+    }),
+    ...(input.maxMergeHunks !== undefined && {
+      maxMergeHunks: input.maxMergeHunks
+    }),
+    ...(input.mergeOption !== undefined && { mergeOption: input.mergeOption }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken }),
+    ...(input.repositoryName !== undefined && {
+      repositoryName: input.repositoryName
+    }),
+    ...(input.sourceCommitSpecifier !== undefined && {
+      sourceCommitSpecifier: input.sourceCommitSpecifier
+    })
+  };
 };
 
 const serializeAws_json1_1BatchDisassociateApprovalRuleTemplateFromRepositoriesInput = (
   input: BatchDisassociateApprovalRuleTemplateFromRepositoriesInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.approvalRuleTemplateName !== undefined) {
-    bodyParams["approvalRuleTemplateName"] = input.approvalRuleTemplateName;
-  }
-  if (input.repositoryNames !== undefined) {
-    bodyParams["repositoryNames"] = serializeAws_json1_1RepositoryNameList(
-      input.repositoryNames,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.approvalRuleTemplateName !== undefined && {
+      approvalRuleTemplateName: input.approvalRuleTemplateName
+    }),
+    ...(input.repositoryNames !== undefined && {
+      repositoryNames: serializeAws_json1_1RepositoryNameList(
+        input.repositoryNames,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1BatchGetCommitsInput = (
   input: BatchGetCommitsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.commitIds !== undefined) {
-    bodyParams["commitIds"] = serializeAws_json1_1CommitIdsInputList(
-      input.commitIds,
-      context
-    );
-  }
-  if (input.repositoryName !== undefined) {
-    bodyParams["repositoryName"] = input.repositoryName;
-  }
-  return bodyParams;
+  return {
+    ...(input.commitIds !== undefined && {
+      commitIds: serializeAws_json1_1CommitIdsInputList(
+        input.commitIds,
+        context
+      )
+    }),
+    ...(input.repositoryName !== undefined && {
+      repositoryName: input.repositoryName
+    })
+  };
 };
 
 const serializeAws_json1_1BatchGetRepositoriesInput = (
   input: BatchGetRepositoriesInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.repositoryNames !== undefined) {
-    bodyParams["repositoryNames"] = serializeAws_json1_1RepositoryNameList(
-      input.repositoryNames,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.repositoryNames !== undefined && {
+      repositoryNames: serializeAws_json1_1RepositoryNameList(
+        input.repositoryNames,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1BranchNameList = (
@@ -20635,249 +20628,212 @@ const serializeAws_json1_1ConflictResolution = (
   input: ConflictResolution,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.deleteFiles !== undefined) {
-    bodyParams["deleteFiles"] = serializeAws_json1_1DeleteFileEntries(
-      input.deleteFiles,
-      context
-    );
-  }
-  if (input.replaceContents !== undefined) {
-    bodyParams["replaceContents"] = serializeAws_json1_1ReplaceContentEntries(
-      input.replaceContents,
-      context
-    );
-  }
-  if (input.setFileModes !== undefined) {
-    bodyParams["setFileModes"] = serializeAws_json1_1SetFileModeEntries(
-      input.setFileModes,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.deleteFiles !== undefined && {
+      deleteFiles: serializeAws_json1_1DeleteFileEntries(
+        input.deleteFiles,
+        context
+      )
+    }),
+    ...(input.replaceContents !== undefined && {
+      replaceContents: serializeAws_json1_1ReplaceContentEntries(
+        input.replaceContents,
+        context
+      )
+    }),
+    ...(input.setFileModes !== undefined && {
+      setFileModes: serializeAws_json1_1SetFileModeEntries(
+        input.setFileModes,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1CreateApprovalRuleTemplateInput = (
   input: CreateApprovalRuleTemplateInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.approvalRuleTemplateContent !== undefined) {
-    bodyParams["approvalRuleTemplateContent"] =
-      input.approvalRuleTemplateContent;
-  }
-  if (input.approvalRuleTemplateDescription !== undefined) {
-    bodyParams["approvalRuleTemplateDescription"] =
-      input.approvalRuleTemplateDescription;
-  }
-  if (input.approvalRuleTemplateName !== undefined) {
-    bodyParams["approvalRuleTemplateName"] = input.approvalRuleTemplateName;
-  }
-  return bodyParams;
+  return {
+    ...(input.approvalRuleTemplateContent !== undefined && {
+      approvalRuleTemplateContent: input.approvalRuleTemplateContent
+    }),
+    ...(input.approvalRuleTemplateDescription !== undefined && {
+      approvalRuleTemplateDescription: input.approvalRuleTemplateDescription
+    }),
+    ...(input.approvalRuleTemplateName !== undefined && {
+      approvalRuleTemplateName: input.approvalRuleTemplateName
+    })
+  };
 };
 
 const serializeAws_json1_1CreateBranchInput = (
   input: CreateBranchInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.branchName !== undefined) {
-    bodyParams["branchName"] = input.branchName;
-  }
-  if (input.commitId !== undefined) {
-    bodyParams["commitId"] = input.commitId;
-  }
-  if (input.repositoryName !== undefined) {
-    bodyParams["repositoryName"] = input.repositoryName;
-  }
-  return bodyParams;
+  return {
+    ...(input.branchName !== undefined && { branchName: input.branchName }),
+    ...(input.commitId !== undefined && { commitId: input.commitId }),
+    ...(input.repositoryName !== undefined && {
+      repositoryName: input.repositoryName
+    })
+  };
 };
 
 const serializeAws_json1_1CreateCommitInput = (
   input: CreateCommitInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.authorName !== undefined) {
-    bodyParams["authorName"] = input.authorName;
-  }
-  if (input.branchName !== undefined) {
-    bodyParams["branchName"] = input.branchName;
-  }
-  if (input.commitMessage !== undefined) {
-    bodyParams["commitMessage"] = input.commitMessage;
-  }
-  if (input.deleteFiles !== undefined) {
-    bodyParams["deleteFiles"] = serializeAws_json1_1DeleteFileEntries(
-      input.deleteFiles,
-      context
-    );
-  }
-  if (input.email !== undefined) {
-    bodyParams["email"] = input.email;
-  }
-  if (input.keepEmptyFolders !== undefined) {
-    bodyParams["keepEmptyFolders"] = input.keepEmptyFolders;
-  }
-  if (input.parentCommitId !== undefined) {
-    bodyParams["parentCommitId"] = input.parentCommitId;
-  }
-  if (input.putFiles !== undefined) {
-    bodyParams["putFiles"] = serializeAws_json1_1PutFileEntries(
-      input.putFiles,
-      context
-    );
-  }
-  if (input.repositoryName !== undefined) {
-    bodyParams["repositoryName"] = input.repositoryName;
-  }
-  if (input.setFileModes !== undefined) {
-    bodyParams["setFileModes"] = serializeAws_json1_1SetFileModeEntries(
-      input.setFileModes,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.authorName !== undefined && { authorName: input.authorName }),
+    ...(input.branchName !== undefined && { branchName: input.branchName }),
+    ...(input.commitMessage !== undefined && {
+      commitMessage: input.commitMessage
+    }),
+    ...(input.deleteFiles !== undefined && {
+      deleteFiles: serializeAws_json1_1DeleteFileEntries(
+        input.deleteFiles,
+        context
+      )
+    }),
+    ...(input.email !== undefined && { email: input.email }),
+    ...(input.keepEmptyFolders !== undefined && {
+      keepEmptyFolders: input.keepEmptyFolders
+    }),
+    ...(input.parentCommitId !== undefined && {
+      parentCommitId: input.parentCommitId
+    }),
+    ...(input.putFiles !== undefined && {
+      putFiles: serializeAws_json1_1PutFileEntries(input.putFiles, context)
+    }),
+    ...(input.repositoryName !== undefined && {
+      repositoryName: input.repositoryName
+    }),
+    ...(input.setFileModes !== undefined && {
+      setFileModes: serializeAws_json1_1SetFileModeEntries(
+        input.setFileModes,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1CreatePullRequestApprovalRuleInput = (
   input: CreatePullRequestApprovalRuleInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.approvalRuleContent !== undefined) {
-    bodyParams["approvalRuleContent"] = input.approvalRuleContent;
-  }
-  if (input.approvalRuleName !== undefined) {
-    bodyParams["approvalRuleName"] = input.approvalRuleName;
-  }
-  if (input.pullRequestId !== undefined) {
-    bodyParams["pullRequestId"] = input.pullRequestId;
-  }
-  return bodyParams;
+  return {
+    ...(input.approvalRuleContent !== undefined && {
+      approvalRuleContent: input.approvalRuleContent
+    }),
+    ...(input.approvalRuleName !== undefined && {
+      approvalRuleName: input.approvalRuleName
+    }),
+    ...(input.pullRequestId !== undefined && {
+      pullRequestId: input.pullRequestId
+    })
+  };
 };
 
 const serializeAws_json1_1CreatePullRequestInput = (
   input: CreatePullRequestInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.clientRequestToken === undefined) {
-    input.clientRequestToken = generateIdempotencyToken();
-  }
-  if (input.clientRequestToken !== undefined) {
-    bodyParams["clientRequestToken"] = input.clientRequestToken;
-  }
-  if (input.description !== undefined) {
-    bodyParams["description"] = input.description;
-  }
-  if (input.targets !== undefined) {
-    bodyParams["targets"] = serializeAws_json1_1TargetList(
-      input.targets,
-      context
-    );
-  }
-  if (input.title !== undefined) {
-    bodyParams["title"] = input.title;
-  }
-  return bodyParams;
+  return {
+    clientRequestToken: input.clientRequestToken ?? generateIdempotencyToken(),
+    ...(input.description !== undefined && { description: input.description }),
+    ...(input.targets !== undefined && {
+      targets: serializeAws_json1_1TargetList(input.targets, context)
+    }),
+    ...(input.title !== undefined && { title: input.title })
+  };
 };
 
 const serializeAws_json1_1CreateRepositoryInput = (
   input: CreateRepositoryInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.repositoryDescription !== undefined) {
-    bodyParams["repositoryDescription"] = input.repositoryDescription;
-  }
-  if (input.repositoryName !== undefined) {
-    bodyParams["repositoryName"] = input.repositoryName;
-  }
-  if (input.tags !== undefined) {
-    bodyParams["tags"] = serializeAws_json1_1TagsMap(input.tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.repositoryDescription !== undefined && {
+      repositoryDescription: input.repositoryDescription
+    }),
+    ...(input.repositoryName !== undefined && {
+      repositoryName: input.repositoryName
+    }),
+    ...(input.tags !== undefined && {
+      tags: serializeAws_json1_1TagsMap(input.tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1CreateUnreferencedMergeCommitInput = (
   input: CreateUnreferencedMergeCommitInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.authorName !== undefined) {
-    bodyParams["authorName"] = input.authorName;
-  }
-  if (input.commitMessage !== undefined) {
-    bodyParams["commitMessage"] = input.commitMessage;
-  }
-  if (input.conflictDetailLevel !== undefined) {
-    bodyParams["conflictDetailLevel"] = input.conflictDetailLevel;
-  }
-  if (input.conflictResolution !== undefined) {
-    bodyParams["conflictResolution"] = serializeAws_json1_1ConflictResolution(
-      input.conflictResolution,
-      context
-    );
-  }
-  if (input.conflictResolutionStrategy !== undefined) {
-    bodyParams["conflictResolutionStrategy"] = input.conflictResolutionStrategy;
-  }
-  if (input.destinationCommitSpecifier !== undefined) {
-    bodyParams["destinationCommitSpecifier"] = input.destinationCommitSpecifier;
-  }
-  if (input.email !== undefined) {
-    bodyParams["email"] = input.email;
-  }
-  if (input.keepEmptyFolders !== undefined) {
-    bodyParams["keepEmptyFolders"] = input.keepEmptyFolders;
-  }
-  if (input.mergeOption !== undefined) {
-    bodyParams["mergeOption"] = input.mergeOption;
-  }
-  if (input.repositoryName !== undefined) {
-    bodyParams["repositoryName"] = input.repositoryName;
-  }
-  if (input.sourceCommitSpecifier !== undefined) {
-    bodyParams["sourceCommitSpecifier"] = input.sourceCommitSpecifier;
-  }
-  return bodyParams;
+  return {
+    ...(input.authorName !== undefined && { authorName: input.authorName }),
+    ...(input.commitMessage !== undefined && {
+      commitMessage: input.commitMessage
+    }),
+    ...(input.conflictDetailLevel !== undefined && {
+      conflictDetailLevel: input.conflictDetailLevel
+    }),
+    ...(input.conflictResolution !== undefined && {
+      conflictResolution: serializeAws_json1_1ConflictResolution(
+        input.conflictResolution,
+        context
+      )
+    }),
+    ...(input.conflictResolutionStrategy !== undefined && {
+      conflictResolutionStrategy: input.conflictResolutionStrategy
+    }),
+    ...(input.destinationCommitSpecifier !== undefined && {
+      destinationCommitSpecifier: input.destinationCommitSpecifier
+    }),
+    ...(input.email !== undefined && { email: input.email }),
+    ...(input.keepEmptyFolders !== undefined && {
+      keepEmptyFolders: input.keepEmptyFolders
+    }),
+    ...(input.mergeOption !== undefined && { mergeOption: input.mergeOption }),
+    ...(input.repositoryName !== undefined && {
+      repositoryName: input.repositoryName
+    }),
+    ...(input.sourceCommitSpecifier !== undefined && {
+      sourceCommitSpecifier: input.sourceCommitSpecifier
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteApprovalRuleTemplateInput = (
   input: DeleteApprovalRuleTemplateInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.approvalRuleTemplateName !== undefined) {
-    bodyParams["approvalRuleTemplateName"] = input.approvalRuleTemplateName;
-  }
-  return bodyParams;
+  return {
+    ...(input.approvalRuleTemplateName !== undefined && {
+      approvalRuleTemplateName: input.approvalRuleTemplateName
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteBranchInput = (
   input: DeleteBranchInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.branchName !== undefined) {
-    bodyParams["branchName"] = input.branchName;
-  }
-  if (input.repositoryName !== undefined) {
-    bodyParams["repositoryName"] = input.repositoryName;
-  }
-  return bodyParams;
+  return {
+    ...(input.branchName !== undefined && { branchName: input.branchName }),
+    ...(input.repositoryName !== undefined && {
+      repositoryName: input.repositoryName
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteCommentContentInput = (
   input: DeleteCommentContentInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.commentId !== undefined) {
-    bodyParams["commentId"] = input.commentId;
-  }
-  return bodyParams;
+  return {
+    ...(input.commentId !== undefined && { commentId: input.commentId })
+  };
 };
 
 const serializeAws_json1_1DeleteFileEntries = (
@@ -20893,154 +20849,130 @@ const serializeAws_json1_1DeleteFileEntry = (
   input: DeleteFileEntry,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.filePath !== undefined) {
-    bodyParams["filePath"] = input.filePath;
-  }
-  return bodyParams;
+  return {
+    ...(input.filePath !== undefined && { filePath: input.filePath })
+  };
 };
 
 const serializeAws_json1_1DeleteFileInput = (
   input: DeleteFileInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.branchName !== undefined) {
-    bodyParams["branchName"] = input.branchName;
-  }
-  if (input.commitMessage !== undefined) {
-    bodyParams["commitMessage"] = input.commitMessage;
-  }
-  if (input.email !== undefined) {
-    bodyParams["email"] = input.email;
-  }
-  if (input.filePath !== undefined) {
-    bodyParams["filePath"] = input.filePath;
-  }
-  if (input.keepEmptyFolders !== undefined) {
-    bodyParams["keepEmptyFolders"] = input.keepEmptyFolders;
-  }
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  if (input.parentCommitId !== undefined) {
-    bodyParams["parentCommitId"] = input.parentCommitId;
-  }
-  if (input.repositoryName !== undefined) {
-    bodyParams["repositoryName"] = input.repositoryName;
-  }
-  return bodyParams;
+  return {
+    ...(input.branchName !== undefined && { branchName: input.branchName }),
+    ...(input.commitMessage !== undefined && {
+      commitMessage: input.commitMessage
+    }),
+    ...(input.email !== undefined && { email: input.email }),
+    ...(input.filePath !== undefined && { filePath: input.filePath }),
+    ...(input.keepEmptyFolders !== undefined && {
+      keepEmptyFolders: input.keepEmptyFolders
+    }),
+    ...(input.name !== undefined && { name: input.name }),
+    ...(input.parentCommitId !== undefined && {
+      parentCommitId: input.parentCommitId
+    }),
+    ...(input.repositoryName !== undefined && {
+      repositoryName: input.repositoryName
+    })
+  };
 };
 
 const serializeAws_json1_1DeletePullRequestApprovalRuleInput = (
   input: DeletePullRequestApprovalRuleInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.approvalRuleName !== undefined) {
-    bodyParams["approvalRuleName"] = input.approvalRuleName;
-  }
-  if (input.pullRequestId !== undefined) {
-    bodyParams["pullRequestId"] = input.pullRequestId;
-  }
-  return bodyParams;
+  return {
+    ...(input.approvalRuleName !== undefined && {
+      approvalRuleName: input.approvalRuleName
+    }),
+    ...(input.pullRequestId !== undefined && {
+      pullRequestId: input.pullRequestId
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteRepositoryInput = (
   input: DeleteRepositoryInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.repositoryName !== undefined) {
-    bodyParams["repositoryName"] = input.repositoryName;
-  }
-  return bodyParams;
+  return {
+    ...(input.repositoryName !== undefined && {
+      repositoryName: input.repositoryName
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeMergeConflictsInput = (
   input: DescribeMergeConflictsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.conflictDetailLevel !== undefined) {
-    bodyParams["conflictDetailLevel"] = input.conflictDetailLevel;
-  }
-  if (input.conflictResolutionStrategy !== undefined) {
-    bodyParams["conflictResolutionStrategy"] = input.conflictResolutionStrategy;
-  }
-  if (input.destinationCommitSpecifier !== undefined) {
-    bodyParams["destinationCommitSpecifier"] = input.destinationCommitSpecifier;
-  }
-  if (input.filePath !== undefined) {
-    bodyParams["filePath"] = input.filePath;
-  }
-  if (input.maxMergeHunks !== undefined) {
-    bodyParams["maxMergeHunks"] = input.maxMergeHunks;
-  }
-  if (input.mergeOption !== undefined) {
-    bodyParams["mergeOption"] = input.mergeOption;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  if (input.repositoryName !== undefined) {
-    bodyParams["repositoryName"] = input.repositoryName;
-  }
-  if (input.sourceCommitSpecifier !== undefined) {
-    bodyParams["sourceCommitSpecifier"] = input.sourceCommitSpecifier;
-  }
-  return bodyParams;
+  return {
+    ...(input.conflictDetailLevel !== undefined && {
+      conflictDetailLevel: input.conflictDetailLevel
+    }),
+    ...(input.conflictResolutionStrategy !== undefined && {
+      conflictResolutionStrategy: input.conflictResolutionStrategy
+    }),
+    ...(input.destinationCommitSpecifier !== undefined && {
+      destinationCommitSpecifier: input.destinationCommitSpecifier
+    }),
+    ...(input.filePath !== undefined && { filePath: input.filePath }),
+    ...(input.maxMergeHunks !== undefined && {
+      maxMergeHunks: input.maxMergeHunks
+    }),
+    ...(input.mergeOption !== undefined && { mergeOption: input.mergeOption }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken }),
+    ...(input.repositoryName !== undefined && {
+      repositoryName: input.repositoryName
+    }),
+    ...(input.sourceCommitSpecifier !== undefined && {
+      sourceCommitSpecifier: input.sourceCommitSpecifier
+    })
+  };
 };
 
 const serializeAws_json1_1DescribePullRequestEventsInput = (
   input: DescribePullRequestEventsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.actorArn !== undefined) {
-    bodyParams["actorArn"] = input.actorArn;
-  }
-  if (input.maxResults !== undefined) {
-    bodyParams["maxResults"] = input.maxResults;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  if (input.pullRequestEventType !== undefined) {
-    bodyParams["pullRequestEventType"] = input.pullRequestEventType;
-  }
-  if (input.pullRequestId !== undefined) {
-    bodyParams["pullRequestId"] = input.pullRequestId;
-  }
-  return bodyParams;
+  return {
+    ...(input.actorArn !== undefined && { actorArn: input.actorArn }),
+    ...(input.maxResults !== undefined && { maxResults: input.maxResults }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken }),
+    ...(input.pullRequestEventType !== undefined && {
+      pullRequestEventType: input.pullRequestEventType
+    }),
+    ...(input.pullRequestId !== undefined && {
+      pullRequestId: input.pullRequestId
+    })
+  };
 };
 
 const serializeAws_json1_1DisassociateApprovalRuleTemplateFromRepositoryInput = (
   input: DisassociateApprovalRuleTemplateFromRepositoryInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.approvalRuleTemplateName !== undefined) {
-    bodyParams["approvalRuleTemplateName"] = input.approvalRuleTemplateName;
-  }
-  if (input.repositoryName !== undefined) {
-    bodyParams["repositoryName"] = input.repositoryName;
-  }
-  return bodyParams;
+  return {
+    ...(input.approvalRuleTemplateName !== undefined && {
+      approvalRuleTemplateName: input.approvalRuleTemplateName
+    }),
+    ...(input.repositoryName !== undefined && {
+      repositoryName: input.repositoryName
+    })
+  };
 };
 
 const serializeAws_json1_1EvaluatePullRequestApprovalRulesInput = (
   input: EvaluatePullRequestApprovalRulesInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.pullRequestId !== undefined) {
-    bodyParams["pullRequestId"] = input.pullRequestId;
-  }
-  if (input.revisionId !== undefined) {
-    bodyParams["revisionId"] = input.revisionId;
-  }
-  return bodyParams;
+  return {
+    ...(input.pullRequestId !== undefined && {
+      pullRequestId: input.pullRequestId
+    }),
+    ...(input.revisionId !== undefined && { revisionId: input.revisionId })
+  };
 };
 
 const serializeAws_json1_1FilePaths = (
@@ -21054,759 +20986,644 @@ const serializeAws_json1_1GetApprovalRuleTemplateInput = (
   input: GetApprovalRuleTemplateInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.approvalRuleTemplateName !== undefined) {
-    bodyParams["approvalRuleTemplateName"] = input.approvalRuleTemplateName;
-  }
-  return bodyParams;
+  return {
+    ...(input.approvalRuleTemplateName !== undefined && {
+      approvalRuleTemplateName: input.approvalRuleTemplateName
+    })
+  };
 };
 
 const serializeAws_json1_1GetBlobInput = (
   input: GetBlobInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.blobId !== undefined) {
-    bodyParams["blobId"] = input.blobId;
-  }
-  if (input.repositoryName !== undefined) {
-    bodyParams["repositoryName"] = input.repositoryName;
-  }
-  return bodyParams;
+  return {
+    ...(input.blobId !== undefined && { blobId: input.blobId }),
+    ...(input.repositoryName !== undefined && {
+      repositoryName: input.repositoryName
+    })
+  };
 };
 
 const serializeAws_json1_1GetBranchInput = (
   input: GetBranchInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.branchName !== undefined) {
-    bodyParams["branchName"] = input.branchName;
-  }
-  if (input.repositoryName !== undefined) {
-    bodyParams["repositoryName"] = input.repositoryName;
-  }
-  return bodyParams;
+  return {
+    ...(input.branchName !== undefined && { branchName: input.branchName }),
+    ...(input.repositoryName !== undefined && {
+      repositoryName: input.repositoryName
+    })
+  };
 };
 
 const serializeAws_json1_1GetCommentInput = (
   input: GetCommentInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.commentId !== undefined) {
-    bodyParams["commentId"] = input.commentId;
-  }
-  return bodyParams;
+  return {
+    ...(input.commentId !== undefined && { commentId: input.commentId })
+  };
 };
 
 const serializeAws_json1_1GetCommentsForComparedCommitInput = (
   input: GetCommentsForComparedCommitInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.afterCommitId !== undefined) {
-    bodyParams["afterCommitId"] = input.afterCommitId;
-  }
-  if (input.beforeCommitId !== undefined) {
-    bodyParams["beforeCommitId"] = input.beforeCommitId;
-  }
-  if (input.maxResults !== undefined) {
-    bodyParams["maxResults"] = input.maxResults;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  if (input.repositoryName !== undefined) {
-    bodyParams["repositoryName"] = input.repositoryName;
-  }
-  return bodyParams;
+  return {
+    ...(input.afterCommitId !== undefined && {
+      afterCommitId: input.afterCommitId
+    }),
+    ...(input.beforeCommitId !== undefined && {
+      beforeCommitId: input.beforeCommitId
+    }),
+    ...(input.maxResults !== undefined && { maxResults: input.maxResults }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken }),
+    ...(input.repositoryName !== undefined && {
+      repositoryName: input.repositoryName
+    })
+  };
 };
 
 const serializeAws_json1_1GetCommentsForPullRequestInput = (
   input: GetCommentsForPullRequestInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.afterCommitId !== undefined) {
-    bodyParams["afterCommitId"] = input.afterCommitId;
-  }
-  if (input.beforeCommitId !== undefined) {
-    bodyParams["beforeCommitId"] = input.beforeCommitId;
-  }
-  if (input.maxResults !== undefined) {
-    bodyParams["maxResults"] = input.maxResults;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  if (input.pullRequestId !== undefined) {
-    bodyParams["pullRequestId"] = input.pullRequestId;
-  }
-  if (input.repositoryName !== undefined) {
-    bodyParams["repositoryName"] = input.repositoryName;
-  }
-  return bodyParams;
+  return {
+    ...(input.afterCommitId !== undefined && {
+      afterCommitId: input.afterCommitId
+    }),
+    ...(input.beforeCommitId !== undefined && {
+      beforeCommitId: input.beforeCommitId
+    }),
+    ...(input.maxResults !== undefined && { maxResults: input.maxResults }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken }),
+    ...(input.pullRequestId !== undefined && {
+      pullRequestId: input.pullRequestId
+    }),
+    ...(input.repositoryName !== undefined && {
+      repositoryName: input.repositoryName
+    })
+  };
 };
 
 const serializeAws_json1_1GetCommitInput = (
   input: GetCommitInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.commitId !== undefined) {
-    bodyParams["commitId"] = input.commitId;
-  }
-  if (input.repositoryName !== undefined) {
-    bodyParams["repositoryName"] = input.repositoryName;
-  }
-  return bodyParams;
+  return {
+    ...(input.commitId !== undefined && { commitId: input.commitId }),
+    ...(input.repositoryName !== undefined && {
+      repositoryName: input.repositoryName
+    })
+  };
 };
 
 const serializeAws_json1_1GetDifferencesInput = (
   input: GetDifferencesInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.afterCommitSpecifier !== undefined) {
-    bodyParams["afterCommitSpecifier"] = input.afterCommitSpecifier;
-  }
-  if (input.afterPath !== undefined) {
-    bodyParams["afterPath"] = input.afterPath;
-  }
-  if (input.beforeCommitSpecifier !== undefined) {
-    bodyParams["beforeCommitSpecifier"] = input.beforeCommitSpecifier;
-  }
-  if (input.beforePath !== undefined) {
-    bodyParams["beforePath"] = input.beforePath;
-  }
-  if (input.repositoryName !== undefined) {
-    bodyParams["repositoryName"] = input.repositoryName;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.afterCommitSpecifier !== undefined && {
+      afterCommitSpecifier: input.afterCommitSpecifier
+    }),
+    ...(input.afterPath !== undefined && { afterPath: input.afterPath }),
+    ...(input.beforeCommitSpecifier !== undefined && {
+      beforeCommitSpecifier: input.beforeCommitSpecifier
+    }),
+    ...(input.beforePath !== undefined && { beforePath: input.beforePath }),
+    ...(input.repositoryName !== undefined && {
+      repositoryName: input.repositoryName
+    })
+  };
 };
 
 const serializeAws_json1_1GetFileInput = (
   input: GetFileInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.commitSpecifier !== undefined) {
-    bodyParams["commitSpecifier"] = input.commitSpecifier;
-  }
-  if (input.filePath !== undefined) {
-    bodyParams["filePath"] = input.filePath;
-  }
-  if (input.repositoryName !== undefined) {
-    bodyParams["repositoryName"] = input.repositoryName;
-  }
-  return bodyParams;
+  return {
+    ...(input.commitSpecifier !== undefined && {
+      commitSpecifier: input.commitSpecifier
+    }),
+    ...(input.filePath !== undefined && { filePath: input.filePath }),
+    ...(input.repositoryName !== undefined && {
+      repositoryName: input.repositoryName
+    })
+  };
 };
 
 const serializeAws_json1_1GetFolderInput = (
   input: GetFolderInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.commitSpecifier !== undefined) {
-    bodyParams["commitSpecifier"] = input.commitSpecifier;
-  }
-  if (input.folderPath !== undefined) {
-    bodyParams["folderPath"] = input.folderPath;
-  }
-  if (input.repositoryName !== undefined) {
-    bodyParams["repositoryName"] = input.repositoryName;
-  }
-  return bodyParams;
+  return {
+    ...(input.commitSpecifier !== undefined && {
+      commitSpecifier: input.commitSpecifier
+    }),
+    ...(input.folderPath !== undefined && { folderPath: input.folderPath }),
+    ...(input.repositoryName !== undefined && {
+      repositoryName: input.repositoryName
+    })
+  };
 };
 
 const serializeAws_json1_1GetMergeCommitInput = (
   input: GetMergeCommitInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.conflictDetailLevel !== undefined) {
-    bodyParams["conflictDetailLevel"] = input.conflictDetailLevel;
-  }
-  if (input.conflictResolutionStrategy !== undefined) {
-    bodyParams["conflictResolutionStrategy"] = input.conflictResolutionStrategy;
-  }
-  if (input.destinationCommitSpecifier !== undefined) {
-    bodyParams["destinationCommitSpecifier"] = input.destinationCommitSpecifier;
-  }
-  if (input.repositoryName !== undefined) {
-    bodyParams["repositoryName"] = input.repositoryName;
-  }
-  if (input.sourceCommitSpecifier !== undefined) {
-    bodyParams["sourceCommitSpecifier"] = input.sourceCommitSpecifier;
-  }
-  return bodyParams;
+  return {
+    ...(input.conflictDetailLevel !== undefined && {
+      conflictDetailLevel: input.conflictDetailLevel
+    }),
+    ...(input.conflictResolutionStrategy !== undefined && {
+      conflictResolutionStrategy: input.conflictResolutionStrategy
+    }),
+    ...(input.destinationCommitSpecifier !== undefined && {
+      destinationCommitSpecifier: input.destinationCommitSpecifier
+    }),
+    ...(input.repositoryName !== undefined && {
+      repositoryName: input.repositoryName
+    }),
+    ...(input.sourceCommitSpecifier !== undefined && {
+      sourceCommitSpecifier: input.sourceCommitSpecifier
+    })
+  };
 };
 
 const serializeAws_json1_1GetMergeConflictsInput = (
   input: GetMergeConflictsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.conflictDetailLevel !== undefined) {
-    bodyParams["conflictDetailLevel"] = input.conflictDetailLevel;
-  }
-  if (input.conflictResolutionStrategy !== undefined) {
-    bodyParams["conflictResolutionStrategy"] = input.conflictResolutionStrategy;
-  }
-  if (input.destinationCommitSpecifier !== undefined) {
-    bodyParams["destinationCommitSpecifier"] = input.destinationCommitSpecifier;
-  }
-  if (input.maxConflictFiles !== undefined) {
-    bodyParams["maxConflictFiles"] = input.maxConflictFiles;
-  }
-  if (input.mergeOption !== undefined) {
-    bodyParams["mergeOption"] = input.mergeOption;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  if (input.repositoryName !== undefined) {
-    bodyParams["repositoryName"] = input.repositoryName;
-  }
-  if (input.sourceCommitSpecifier !== undefined) {
-    bodyParams["sourceCommitSpecifier"] = input.sourceCommitSpecifier;
-  }
-  return bodyParams;
+  return {
+    ...(input.conflictDetailLevel !== undefined && {
+      conflictDetailLevel: input.conflictDetailLevel
+    }),
+    ...(input.conflictResolutionStrategy !== undefined && {
+      conflictResolutionStrategy: input.conflictResolutionStrategy
+    }),
+    ...(input.destinationCommitSpecifier !== undefined && {
+      destinationCommitSpecifier: input.destinationCommitSpecifier
+    }),
+    ...(input.maxConflictFiles !== undefined && {
+      maxConflictFiles: input.maxConflictFiles
+    }),
+    ...(input.mergeOption !== undefined && { mergeOption: input.mergeOption }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken }),
+    ...(input.repositoryName !== undefined && {
+      repositoryName: input.repositoryName
+    }),
+    ...(input.sourceCommitSpecifier !== undefined && {
+      sourceCommitSpecifier: input.sourceCommitSpecifier
+    })
+  };
 };
 
 const serializeAws_json1_1GetMergeOptionsInput = (
   input: GetMergeOptionsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.conflictDetailLevel !== undefined) {
-    bodyParams["conflictDetailLevel"] = input.conflictDetailLevel;
-  }
-  if (input.conflictResolutionStrategy !== undefined) {
-    bodyParams["conflictResolutionStrategy"] = input.conflictResolutionStrategy;
-  }
-  if (input.destinationCommitSpecifier !== undefined) {
-    bodyParams["destinationCommitSpecifier"] = input.destinationCommitSpecifier;
-  }
-  if (input.repositoryName !== undefined) {
-    bodyParams["repositoryName"] = input.repositoryName;
-  }
-  if (input.sourceCommitSpecifier !== undefined) {
-    bodyParams["sourceCommitSpecifier"] = input.sourceCommitSpecifier;
-  }
-  return bodyParams;
+  return {
+    ...(input.conflictDetailLevel !== undefined && {
+      conflictDetailLevel: input.conflictDetailLevel
+    }),
+    ...(input.conflictResolutionStrategy !== undefined && {
+      conflictResolutionStrategy: input.conflictResolutionStrategy
+    }),
+    ...(input.destinationCommitSpecifier !== undefined && {
+      destinationCommitSpecifier: input.destinationCommitSpecifier
+    }),
+    ...(input.repositoryName !== undefined && {
+      repositoryName: input.repositoryName
+    }),
+    ...(input.sourceCommitSpecifier !== undefined && {
+      sourceCommitSpecifier: input.sourceCommitSpecifier
+    })
+  };
 };
 
 const serializeAws_json1_1GetPullRequestApprovalStatesInput = (
   input: GetPullRequestApprovalStatesInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.pullRequestId !== undefined) {
-    bodyParams["pullRequestId"] = input.pullRequestId;
-  }
-  if (input.revisionId !== undefined) {
-    bodyParams["revisionId"] = input.revisionId;
-  }
-  return bodyParams;
+  return {
+    ...(input.pullRequestId !== undefined && {
+      pullRequestId: input.pullRequestId
+    }),
+    ...(input.revisionId !== undefined && { revisionId: input.revisionId })
+  };
 };
 
 const serializeAws_json1_1GetPullRequestInput = (
   input: GetPullRequestInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.pullRequestId !== undefined) {
-    bodyParams["pullRequestId"] = input.pullRequestId;
-  }
-  return bodyParams;
+  return {
+    ...(input.pullRequestId !== undefined && {
+      pullRequestId: input.pullRequestId
+    })
+  };
 };
 
 const serializeAws_json1_1GetPullRequestOverrideStateInput = (
   input: GetPullRequestOverrideStateInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.pullRequestId !== undefined) {
-    bodyParams["pullRequestId"] = input.pullRequestId;
-  }
-  if (input.revisionId !== undefined) {
-    bodyParams["revisionId"] = input.revisionId;
-  }
-  return bodyParams;
+  return {
+    ...(input.pullRequestId !== undefined && {
+      pullRequestId: input.pullRequestId
+    }),
+    ...(input.revisionId !== undefined && { revisionId: input.revisionId })
+  };
 };
 
 const serializeAws_json1_1GetRepositoryInput = (
   input: GetRepositoryInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.repositoryName !== undefined) {
-    bodyParams["repositoryName"] = input.repositoryName;
-  }
-  return bodyParams;
+  return {
+    ...(input.repositoryName !== undefined && {
+      repositoryName: input.repositoryName
+    })
+  };
 };
 
 const serializeAws_json1_1GetRepositoryTriggersInput = (
   input: GetRepositoryTriggersInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.repositoryName !== undefined) {
-    bodyParams["repositoryName"] = input.repositoryName;
-  }
-  return bodyParams;
+  return {
+    ...(input.repositoryName !== undefined && {
+      repositoryName: input.repositoryName
+    })
+  };
 };
 
 const serializeAws_json1_1ListApprovalRuleTemplatesInput = (
   input: ListApprovalRuleTemplatesInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.maxResults !== undefined) {
-    bodyParams["maxResults"] = input.maxResults;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.maxResults !== undefined && { maxResults: input.maxResults }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken })
+  };
 };
 
 const serializeAws_json1_1ListAssociatedApprovalRuleTemplatesForRepositoryInput = (
   input: ListAssociatedApprovalRuleTemplatesForRepositoryInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.maxResults !== undefined) {
-    bodyParams["maxResults"] = input.maxResults;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  if (input.repositoryName !== undefined) {
-    bodyParams["repositoryName"] = input.repositoryName;
-  }
-  return bodyParams;
+  return {
+    ...(input.maxResults !== undefined && { maxResults: input.maxResults }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken }),
+    ...(input.repositoryName !== undefined && {
+      repositoryName: input.repositoryName
+    })
+  };
 };
 
 const serializeAws_json1_1ListBranchesInput = (
   input: ListBranchesInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  if (input.repositoryName !== undefined) {
-    bodyParams["repositoryName"] = input.repositoryName;
-  }
-  return bodyParams;
+  return {
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken }),
+    ...(input.repositoryName !== undefined && {
+      repositoryName: input.repositoryName
+    })
+  };
 };
 
 const serializeAws_json1_1ListPullRequestsInput = (
   input: ListPullRequestsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.authorArn !== undefined) {
-    bodyParams["authorArn"] = input.authorArn;
-  }
-  if (input.maxResults !== undefined) {
-    bodyParams["maxResults"] = input.maxResults;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  if (input.pullRequestStatus !== undefined) {
-    bodyParams["pullRequestStatus"] = input.pullRequestStatus;
-  }
-  if (input.repositoryName !== undefined) {
-    bodyParams["repositoryName"] = input.repositoryName;
-  }
-  return bodyParams;
+  return {
+    ...(input.authorArn !== undefined && { authorArn: input.authorArn }),
+    ...(input.maxResults !== undefined && { maxResults: input.maxResults }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken }),
+    ...(input.pullRequestStatus !== undefined && {
+      pullRequestStatus: input.pullRequestStatus
+    }),
+    ...(input.repositoryName !== undefined && {
+      repositoryName: input.repositoryName
+    })
+  };
 };
 
 const serializeAws_json1_1ListRepositoriesForApprovalRuleTemplateInput = (
   input: ListRepositoriesForApprovalRuleTemplateInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.approvalRuleTemplateName !== undefined) {
-    bodyParams["approvalRuleTemplateName"] = input.approvalRuleTemplateName;
-  }
-  if (input.maxResults !== undefined) {
-    bodyParams["maxResults"] = input.maxResults;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.approvalRuleTemplateName !== undefined && {
+      approvalRuleTemplateName: input.approvalRuleTemplateName
+    }),
+    ...(input.maxResults !== undefined && { maxResults: input.maxResults }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken })
+  };
 };
 
 const serializeAws_json1_1ListRepositoriesInput = (
   input: ListRepositoriesInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  if (input.order !== undefined) {
-    bodyParams["order"] = input.order;
-  }
-  if (input.sortBy !== undefined) {
-    bodyParams["sortBy"] = input.sortBy;
-  }
-  return bodyParams;
+  return {
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken }),
+    ...(input.order !== undefined && { order: input.order }),
+    ...(input.sortBy !== undefined && { sortBy: input.sortBy })
+  };
 };
 
 const serializeAws_json1_1ListTagsForResourceInput = (
   input: ListTagsForResourceInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  if (input.resourceArn !== undefined) {
-    bodyParams["resourceArn"] = input.resourceArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken }),
+    ...(input.resourceArn !== undefined && { resourceArn: input.resourceArn })
+  };
 };
 
 const serializeAws_json1_1Location = (
   input: Location,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.filePath !== undefined) {
-    bodyParams["filePath"] = input.filePath;
-  }
-  if (input.filePosition !== undefined) {
-    bodyParams["filePosition"] = input.filePosition;
-  }
-  if (input.relativeFileVersion !== undefined) {
-    bodyParams["relativeFileVersion"] = input.relativeFileVersion;
-  }
-  return bodyParams;
+  return {
+    ...(input.filePath !== undefined && { filePath: input.filePath }),
+    ...(input.filePosition !== undefined && {
+      filePosition: input.filePosition
+    }),
+    ...(input.relativeFileVersion !== undefined && {
+      relativeFileVersion: input.relativeFileVersion
+    })
+  };
 };
 
 const serializeAws_json1_1MergeBranchesByFastForwardInput = (
   input: MergeBranchesByFastForwardInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.destinationCommitSpecifier !== undefined) {
-    bodyParams["destinationCommitSpecifier"] = input.destinationCommitSpecifier;
-  }
-  if (input.repositoryName !== undefined) {
-    bodyParams["repositoryName"] = input.repositoryName;
-  }
-  if (input.sourceCommitSpecifier !== undefined) {
-    bodyParams["sourceCommitSpecifier"] = input.sourceCommitSpecifier;
-  }
-  if (input.targetBranch !== undefined) {
-    bodyParams["targetBranch"] = input.targetBranch;
-  }
-  return bodyParams;
+  return {
+    ...(input.destinationCommitSpecifier !== undefined && {
+      destinationCommitSpecifier: input.destinationCommitSpecifier
+    }),
+    ...(input.repositoryName !== undefined && {
+      repositoryName: input.repositoryName
+    }),
+    ...(input.sourceCommitSpecifier !== undefined && {
+      sourceCommitSpecifier: input.sourceCommitSpecifier
+    }),
+    ...(input.targetBranch !== undefined && {
+      targetBranch: input.targetBranch
+    })
+  };
 };
 
 const serializeAws_json1_1MergeBranchesBySquashInput = (
   input: MergeBranchesBySquashInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.authorName !== undefined) {
-    bodyParams["authorName"] = input.authorName;
-  }
-  if (input.commitMessage !== undefined) {
-    bodyParams["commitMessage"] = input.commitMessage;
-  }
-  if (input.conflictDetailLevel !== undefined) {
-    bodyParams["conflictDetailLevel"] = input.conflictDetailLevel;
-  }
-  if (input.conflictResolution !== undefined) {
-    bodyParams["conflictResolution"] = serializeAws_json1_1ConflictResolution(
-      input.conflictResolution,
-      context
-    );
-  }
-  if (input.conflictResolutionStrategy !== undefined) {
-    bodyParams["conflictResolutionStrategy"] = input.conflictResolutionStrategy;
-  }
-  if (input.destinationCommitSpecifier !== undefined) {
-    bodyParams["destinationCommitSpecifier"] = input.destinationCommitSpecifier;
-  }
-  if (input.email !== undefined) {
-    bodyParams["email"] = input.email;
-  }
-  if (input.keepEmptyFolders !== undefined) {
-    bodyParams["keepEmptyFolders"] = input.keepEmptyFolders;
-  }
-  if (input.repositoryName !== undefined) {
-    bodyParams["repositoryName"] = input.repositoryName;
-  }
-  if (input.sourceCommitSpecifier !== undefined) {
-    bodyParams["sourceCommitSpecifier"] = input.sourceCommitSpecifier;
-  }
-  if (input.targetBranch !== undefined) {
-    bodyParams["targetBranch"] = input.targetBranch;
-  }
-  return bodyParams;
+  return {
+    ...(input.authorName !== undefined && { authorName: input.authorName }),
+    ...(input.commitMessage !== undefined && {
+      commitMessage: input.commitMessage
+    }),
+    ...(input.conflictDetailLevel !== undefined && {
+      conflictDetailLevel: input.conflictDetailLevel
+    }),
+    ...(input.conflictResolution !== undefined && {
+      conflictResolution: serializeAws_json1_1ConflictResolution(
+        input.conflictResolution,
+        context
+      )
+    }),
+    ...(input.conflictResolutionStrategy !== undefined && {
+      conflictResolutionStrategy: input.conflictResolutionStrategy
+    }),
+    ...(input.destinationCommitSpecifier !== undefined && {
+      destinationCommitSpecifier: input.destinationCommitSpecifier
+    }),
+    ...(input.email !== undefined && { email: input.email }),
+    ...(input.keepEmptyFolders !== undefined && {
+      keepEmptyFolders: input.keepEmptyFolders
+    }),
+    ...(input.repositoryName !== undefined && {
+      repositoryName: input.repositoryName
+    }),
+    ...(input.sourceCommitSpecifier !== undefined && {
+      sourceCommitSpecifier: input.sourceCommitSpecifier
+    }),
+    ...(input.targetBranch !== undefined && {
+      targetBranch: input.targetBranch
+    })
+  };
 };
 
 const serializeAws_json1_1MergeBranchesByThreeWayInput = (
   input: MergeBranchesByThreeWayInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.authorName !== undefined) {
-    bodyParams["authorName"] = input.authorName;
-  }
-  if (input.commitMessage !== undefined) {
-    bodyParams["commitMessage"] = input.commitMessage;
-  }
-  if (input.conflictDetailLevel !== undefined) {
-    bodyParams["conflictDetailLevel"] = input.conflictDetailLevel;
-  }
-  if (input.conflictResolution !== undefined) {
-    bodyParams["conflictResolution"] = serializeAws_json1_1ConflictResolution(
-      input.conflictResolution,
-      context
-    );
-  }
-  if (input.conflictResolutionStrategy !== undefined) {
-    bodyParams["conflictResolutionStrategy"] = input.conflictResolutionStrategy;
-  }
-  if (input.destinationCommitSpecifier !== undefined) {
-    bodyParams["destinationCommitSpecifier"] = input.destinationCommitSpecifier;
-  }
-  if (input.email !== undefined) {
-    bodyParams["email"] = input.email;
-  }
-  if (input.keepEmptyFolders !== undefined) {
-    bodyParams["keepEmptyFolders"] = input.keepEmptyFolders;
-  }
-  if (input.repositoryName !== undefined) {
-    bodyParams["repositoryName"] = input.repositoryName;
-  }
-  if (input.sourceCommitSpecifier !== undefined) {
-    bodyParams["sourceCommitSpecifier"] = input.sourceCommitSpecifier;
-  }
-  if (input.targetBranch !== undefined) {
-    bodyParams["targetBranch"] = input.targetBranch;
-  }
-  return bodyParams;
+  return {
+    ...(input.authorName !== undefined && { authorName: input.authorName }),
+    ...(input.commitMessage !== undefined && {
+      commitMessage: input.commitMessage
+    }),
+    ...(input.conflictDetailLevel !== undefined && {
+      conflictDetailLevel: input.conflictDetailLevel
+    }),
+    ...(input.conflictResolution !== undefined && {
+      conflictResolution: serializeAws_json1_1ConflictResolution(
+        input.conflictResolution,
+        context
+      )
+    }),
+    ...(input.conflictResolutionStrategy !== undefined && {
+      conflictResolutionStrategy: input.conflictResolutionStrategy
+    }),
+    ...(input.destinationCommitSpecifier !== undefined && {
+      destinationCommitSpecifier: input.destinationCommitSpecifier
+    }),
+    ...(input.email !== undefined && { email: input.email }),
+    ...(input.keepEmptyFolders !== undefined && {
+      keepEmptyFolders: input.keepEmptyFolders
+    }),
+    ...(input.repositoryName !== undefined && {
+      repositoryName: input.repositoryName
+    }),
+    ...(input.sourceCommitSpecifier !== undefined && {
+      sourceCommitSpecifier: input.sourceCommitSpecifier
+    }),
+    ...(input.targetBranch !== undefined && {
+      targetBranch: input.targetBranch
+    })
+  };
 };
 
 const serializeAws_json1_1MergePullRequestByFastForwardInput = (
   input: MergePullRequestByFastForwardInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.pullRequestId !== undefined) {
-    bodyParams["pullRequestId"] = input.pullRequestId;
-  }
-  if (input.repositoryName !== undefined) {
-    bodyParams["repositoryName"] = input.repositoryName;
-  }
-  if (input.sourceCommitId !== undefined) {
-    bodyParams["sourceCommitId"] = input.sourceCommitId;
-  }
-  return bodyParams;
+  return {
+    ...(input.pullRequestId !== undefined && {
+      pullRequestId: input.pullRequestId
+    }),
+    ...(input.repositoryName !== undefined && {
+      repositoryName: input.repositoryName
+    }),
+    ...(input.sourceCommitId !== undefined && {
+      sourceCommitId: input.sourceCommitId
+    })
+  };
 };
 
 const serializeAws_json1_1MergePullRequestBySquashInput = (
   input: MergePullRequestBySquashInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.authorName !== undefined) {
-    bodyParams["authorName"] = input.authorName;
-  }
-  if (input.commitMessage !== undefined) {
-    bodyParams["commitMessage"] = input.commitMessage;
-  }
-  if (input.conflictDetailLevel !== undefined) {
-    bodyParams["conflictDetailLevel"] = input.conflictDetailLevel;
-  }
-  if (input.conflictResolution !== undefined) {
-    bodyParams["conflictResolution"] = serializeAws_json1_1ConflictResolution(
-      input.conflictResolution,
-      context
-    );
-  }
-  if (input.conflictResolutionStrategy !== undefined) {
-    bodyParams["conflictResolutionStrategy"] = input.conflictResolutionStrategy;
-  }
-  if (input.email !== undefined) {
-    bodyParams["email"] = input.email;
-  }
-  if (input.keepEmptyFolders !== undefined) {
-    bodyParams["keepEmptyFolders"] = input.keepEmptyFolders;
-  }
-  if (input.pullRequestId !== undefined) {
-    bodyParams["pullRequestId"] = input.pullRequestId;
-  }
-  if (input.repositoryName !== undefined) {
-    bodyParams["repositoryName"] = input.repositoryName;
-  }
-  if (input.sourceCommitId !== undefined) {
-    bodyParams["sourceCommitId"] = input.sourceCommitId;
-  }
-  return bodyParams;
+  return {
+    ...(input.authorName !== undefined && { authorName: input.authorName }),
+    ...(input.commitMessage !== undefined && {
+      commitMessage: input.commitMessage
+    }),
+    ...(input.conflictDetailLevel !== undefined && {
+      conflictDetailLevel: input.conflictDetailLevel
+    }),
+    ...(input.conflictResolution !== undefined && {
+      conflictResolution: serializeAws_json1_1ConflictResolution(
+        input.conflictResolution,
+        context
+      )
+    }),
+    ...(input.conflictResolutionStrategy !== undefined && {
+      conflictResolutionStrategy: input.conflictResolutionStrategy
+    }),
+    ...(input.email !== undefined && { email: input.email }),
+    ...(input.keepEmptyFolders !== undefined && {
+      keepEmptyFolders: input.keepEmptyFolders
+    }),
+    ...(input.pullRequestId !== undefined && {
+      pullRequestId: input.pullRequestId
+    }),
+    ...(input.repositoryName !== undefined && {
+      repositoryName: input.repositoryName
+    }),
+    ...(input.sourceCommitId !== undefined && {
+      sourceCommitId: input.sourceCommitId
+    })
+  };
 };
 
 const serializeAws_json1_1MergePullRequestByThreeWayInput = (
   input: MergePullRequestByThreeWayInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.authorName !== undefined) {
-    bodyParams["authorName"] = input.authorName;
-  }
-  if (input.commitMessage !== undefined) {
-    bodyParams["commitMessage"] = input.commitMessage;
-  }
-  if (input.conflictDetailLevel !== undefined) {
-    bodyParams["conflictDetailLevel"] = input.conflictDetailLevel;
-  }
-  if (input.conflictResolution !== undefined) {
-    bodyParams["conflictResolution"] = serializeAws_json1_1ConflictResolution(
-      input.conflictResolution,
-      context
-    );
-  }
-  if (input.conflictResolutionStrategy !== undefined) {
-    bodyParams["conflictResolutionStrategy"] = input.conflictResolutionStrategy;
-  }
-  if (input.email !== undefined) {
-    bodyParams["email"] = input.email;
-  }
-  if (input.keepEmptyFolders !== undefined) {
-    bodyParams["keepEmptyFolders"] = input.keepEmptyFolders;
-  }
-  if (input.pullRequestId !== undefined) {
-    bodyParams["pullRequestId"] = input.pullRequestId;
-  }
-  if (input.repositoryName !== undefined) {
-    bodyParams["repositoryName"] = input.repositoryName;
-  }
-  if (input.sourceCommitId !== undefined) {
-    bodyParams["sourceCommitId"] = input.sourceCommitId;
-  }
-  return bodyParams;
+  return {
+    ...(input.authorName !== undefined && { authorName: input.authorName }),
+    ...(input.commitMessage !== undefined && {
+      commitMessage: input.commitMessage
+    }),
+    ...(input.conflictDetailLevel !== undefined && {
+      conflictDetailLevel: input.conflictDetailLevel
+    }),
+    ...(input.conflictResolution !== undefined && {
+      conflictResolution: serializeAws_json1_1ConflictResolution(
+        input.conflictResolution,
+        context
+      )
+    }),
+    ...(input.conflictResolutionStrategy !== undefined && {
+      conflictResolutionStrategy: input.conflictResolutionStrategy
+    }),
+    ...(input.email !== undefined && { email: input.email }),
+    ...(input.keepEmptyFolders !== undefined && {
+      keepEmptyFolders: input.keepEmptyFolders
+    }),
+    ...(input.pullRequestId !== undefined && {
+      pullRequestId: input.pullRequestId
+    }),
+    ...(input.repositoryName !== undefined && {
+      repositoryName: input.repositoryName
+    }),
+    ...(input.sourceCommitId !== undefined && {
+      sourceCommitId: input.sourceCommitId
+    })
+  };
 };
 
 const serializeAws_json1_1OverridePullRequestApprovalRulesInput = (
   input: OverridePullRequestApprovalRulesInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.overrideStatus !== undefined) {
-    bodyParams["overrideStatus"] = input.overrideStatus;
-  }
-  if (input.pullRequestId !== undefined) {
-    bodyParams["pullRequestId"] = input.pullRequestId;
-  }
-  if (input.revisionId !== undefined) {
-    bodyParams["revisionId"] = input.revisionId;
-  }
-  return bodyParams;
+  return {
+    ...(input.overrideStatus !== undefined && {
+      overrideStatus: input.overrideStatus
+    }),
+    ...(input.pullRequestId !== undefined && {
+      pullRequestId: input.pullRequestId
+    }),
+    ...(input.revisionId !== undefined && { revisionId: input.revisionId })
+  };
 };
 
 const serializeAws_json1_1PostCommentForComparedCommitInput = (
   input: PostCommentForComparedCommitInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.afterCommitId !== undefined) {
-    bodyParams["afterCommitId"] = input.afterCommitId;
-  }
-  if (input.beforeCommitId !== undefined) {
-    bodyParams["beforeCommitId"] = input.beforeCommitId;
-  }
-  if (input.clientRequestToken === undefined) {
-    input.clientRequestToken = generateIdempotencyToken();
-  }
-  if (input.clientRequestToken !== undefined) {
-    bodyParams["clientRequestToken"] = input.clientRequestToken;
-  }
-  if (input.content !== undefined) {
-    bodyParams["content"] = input.content;
-  }
-  if (input.location !== undefined) {
-    bodyParams["location"] = serializeAws_json1_1Location(
-      input.location,
-      context
-    );
-  }
-  if (input.repositoryName !== undefined) {
-    bodyParams["repositoryName"] = input.repositoryName;
-  }
-  return bodyParams;
+  return {
+    ...(input.afterCommitId !== undefined && {
+      afterCommitId: input.afterCommitId
+    }),
+    ...(input.beforeCommitId !== undefined && {
+      beforeCommitId: input.beforeCommitId
+    }),
+    clientRequestToken: input.clientRequestToken ?? generateIdempotencyToken(),
+    ...(input.content !== undefined && { content: input.content }),
+    ...(input.location !== undefined && {
+      location: serializeAws_json1_1Location(input.location, context)
+    }),
+    ...(input.repositoryName !== undefined && {
+      repositoryName: input.repositoryName
+    })
+  };
 };
 
 const serializeAws_json1_1PostCommentForPullRequestInput = (
   input: PostCommentForPullRequestInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.afterCommitId !== undefined) {
-    bodyParams["afterCommitId"] = input.afterCommitId;
-  }
-  if (input.beforeCommitId !== undefined) {
-    bodyParams["beforeCommitId"] = input.beforeCommitId;
-  }
-  if (input.clientRequestToken === undefined) {
-    input.clientRequestToken = generateIdempotencyToken();
-  }
-  if (input.clientRequestToken !== undefined) {
-    bodyParams["clientRequestToken"] = input.clientRequestToken;
-  }
-  if (input.content !== undefined) {
-    bodyParams["content"] = input.content;
-  }
-  if (input.location !== undefined) {
-    bodyParams["location"] = serializeAws_json1_1Location(
-      input.location,
-      context
-    );
-  }
-  if (input.pullRequestId !== undefined) {
-    bodyParams["pullRequestId"] = input.pullRequestId;
-  }
-  if (input.repositoryName !== undefined) {
-    bodyParams["repositoryName"] = input.repositoryName;
-  }
-  return bodyParams;
+  return {
+    ...(input.afterCommitId !== undefined && {
+      afterCommitId: input.afterCommitId
+    }),
+    ...(input.beforeCommitId !== undefined && {
+      beforeCommitId: input.beforeCommitId
+    }),
+    clientRequestToken: input.clientRequestToken ?? generateIdempotencyToken(),
+    ...(input.content !== undefined && { content: input.content }),
+    ...(input.location !== undefined && {
+      location: serializeAws_json1_1Location(input.location, context)
+    }),
+    ...(input.pullRequestId !== undefined && {
+      pullRequestId: input.pullRequestId
+    }),
+    ...(input.repositoryName !== undefined && {
+      repositoryName: input.repositoryName
+    })
+  };
 };
 
 const serializeAws_json1_1PostCommentReplyInput = (
   input: PostCommentReplyInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.clientRequestToken === undefined) {
-    input.clientRequestToken = generateIdempotencyToken();
-  }
-  if (input.clientRequestToken !== undefined) {
-    bodyParams["clientRequestToken"] = input.clientRequestToken;
-  }
-  if (input.content !== undefined) {
-    bodyParams["content"] = input.content;
-  }
-  if (input.inReplyTo !== undefined) {
-    bodyParams["inReplyTo"] = input.inReplyTo;
-  }
-  return bodyParams;
+  return {
+    clientRequestToken: input.clientRequestToken ?? generateIdempotencyToken(),
+    ...(input.content !== undefined && { content: input.content }),
+    ...(input.inReplyTo !== undefined && { inReplyTo: input.inReplyTo })
+  };
 };
 
 const serializeAws_json1_1PutFileEntries = (
@@ -21820,75 +21637,61 @@ const serializeAws_json1_1PutFileEntry = (
   input: PutFileEntry,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.fileContent !== undefined) {
-    bodyParams["fileContent"] = context.base64Encoder(input.fileContent);
-  }
-  if (input.fileMode !== undefined) {
-    bodyParams["fileMode"] = input.fileMode;
-  }
-  if (input.filePath !== undefined) {
-    bodyParams["filePath"] = input.filePath;
-  }
-  if (input.sourceFile !== undefined) {
-    bodyParams["sourceFile"] = serializeAws_json1_1SourceFileSpecifier(
-      input.sourceFile,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.fileContent !== undefined && {
+      fileContent: context.base64Encoder(input.fileContent)
+    }),
+    ...(input.fileMode !== undefined && { fileMode: input.fileMode }),
+    ...(input.filePath !== undefined && { filePath: input.filePath }),
+    ...(input.sourceFile !== undefined && {
+      sourceFile: serializeAws_json1_1SourceFileSpecifier(
+        input.sourceFile,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1PutFileInput = (
   input: PutFileInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.branchName !== undefined) {
-    bodyParams["branchName"] = input.branchName;
-  }
-  if (input.commitMessage !== undefined) {
-    bodyParams["commitMessage"] = input.commitMessage;
-  }
-  if (input.email !== undefined) {
-    bodyParams["email"] = input.email;
-  }
-  if (input.fileContent !== undefined) {
-    bodyParams["fileContent"] = context.base64Encoder(input.fileContent);
-  }
-  if (input.fileMode !== undefined) {
-    bodyParams["fileMode"] = input.fileMode;
-  }
-  if (input.filePath !== undefined) {
-    bodyParams["filePath"] = input.filePath;
-  }
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  if (input.parentCommitId !== undefined) {
-    bodyParams["parentCommitId"] = input.parentCommitId;
-  }
-  if (input.repositoryName !== undefined) {
-    bodyParams["repositoryName"] = input.repositoryName;
-  }
-  return bodyParams;
+  return {
+    ...(input.branchName !== undefined && { branchName: input.branchName }),
+    ...(input.commitMessage !== undefined && {
+      commitMessage: input.commitMessage
+    }),
+    ...(input.email !== undefined && { email: input.email }),
+    ...(input.fileContent !== undefined && {
+      fileContent: context.base64Encoder(input.fileContent)
+    }),
+    ...(input.fileMode !== undefined && { fileMode: input.fileMode }),
+    ...(input.filePath !== undefined && { filePath: input.filePath }),
+    ...(input.name !== undefined && { name: input.name }),
+    ...(input.parentCommitId !== undefined && {
+      parentCommitId: input.parentCommitId
+    }),
+    ...(input.repositoryName !== undefined && {
+      repositoryName: input.repositoryName
+    })
+  };
 };
 
 const serializeAws_json1_1PutRepositoryTriggersInput = (
   input: PutRepositoryTriggersInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.repositoryName !== undefined) {
-    bodyParams["repositoryName"] = input.repositoryName;
-  }
-  if (input.triggers !== undefined) {
-    bodyParams["triggers"] = serializeAws_json1_1RepositoryTriggersList(
-      input.triggers,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.repositoryName !== undefined && {
+      repositoryName: input.repositoryName
+    }),
+    ...(input.triggers !== undefined && {
+      triggers: serializeAws_json1_1RepositoryTriggersList(
+        input.triggers,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1ReplaceContentEntries = (
@@ -21904,20 +21707,16 @@ const serializeAws_json1_1ReplaceContentEntry = (
   input: ReplaceContentEntry,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.content !== undefined) {
-    bodyParams["content"] = context.base64Encoder(input.content);
-  }
-  if (input.fileMode !== undefined) {
-    bodyParams["fileMode"] = input.fileMode;
-  }
-  if (input.filePath !== undefined) {
-    bodyParams["filePath"] = input.filePath;
-  }
-  if (input.replacementType !== undefined) {
-    bodyParams["replacementType"] = input.replacementType;
-  }
-  return bodyParams;
+  return {
+    ...(input.content !== undefined && {
+      content: context.base64Encoder(input.content)
+    }),
+    ...(input.fileMode !== undefined && { fileMode: input.fileMode }),
+    ...(input.filePath !== undefined && { filePath: input.filePath }),
+    ...(input.replacementType !== undefined && {
+      replacementType: input.replacementType
+    })
+  };
 };
 
 const serializeAws_json1_1RepositoryNameList = (
@@ -21931,29 +21730,22 @@ const serializeAws_json1_1RepositoryTrigger = (
   input: RepositoryTrigger,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.branches !== undefined) {
-    bodyParams["branches"] = serializeAws_json1_1BranchNameList(
-      input.branches,
-      context
-    );
-  }
-  if (input.customData !== undefined) {
-    bodyParams["customData"] = input.customData;
-  }
-  if (input.destinationArn !== undefined) {
-    bodyParams["destinationArn"] = input.destinationArn;
-  }
-  if (input.events !== undefined) {
-    bodyParams["events"] = serializeAws_json1_1RepositoryTriggerEventList(
-      input.events,
-      context
-    );
-  }
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  return bodyParams;
+  return {
+    ...(input.branches !== undefined && {
+      branches: serializeAws_json1_1BranchNameList(input.branches, context)
+    }),
+    ...(input.customData !== undefined && { customData: input.customData }),
+    ...(input.destinationArn !== undefined && {
+      destinationArn: input.destinationArn
+    }),
+    ...(input.events !== undefined && {
+      events: serializeAws_json1_1RepositoryTriggerEventList(
+        input.events,
+        context
+      )
+    }),
+    ...(input.name !== undefined && { name: input.name })
+  };
 };
 
 const serializeAws_json1_1RepositoryTriggerEventList = (
@@ -21985,28 +21777,20 @@ const serializeAws_json1_1SetFileModeEntry = (
   input: SetFileModeEntry,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.fileMode !== undefined) {
-    bodyParams["fileMode"] = input.fileMode;
-  }
-  if (input.filePath !== undefined) {
-    bodyParams["filePath"] = input.filePath;
-  }
-  return bodyParams;
+  return {
+    ...(input.fileMode !== undefined && { fileMode: input.fileMode }),
+    ...(input.filePath !== undefined && { filePath: input.filePath })
+  };
 };
 
 const serializeAws_json1_1SourceFileSpecifier = (
   input: SourceFileSpecifier,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.filePath !== undefined) {
-    bodyParams["filePath"] = input.filePath;
-  }
-  if (input.isMove !== undefined) {
-    bodyParams["isMove"] = input.isMove;
-  }
-  return bodyParams;
+  return {
+    ...(input.filePath !== undefined && { filePath: input.filePath }),
+    ...(input.isMove !== undefined && { isMove: input.isMove })
+  };
 };
 
 const serializeAws_json1_1TagKeysList = (
@@ -22020,14 +21804,12 @@ const serializeAws_json1_1TagResourceInput = (
   input: TagResourceInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.resourceArn !== undefined) {
-    bodyParams["resourceArn"] = input.resourceArn;
-  }
-  if (input.tags !== undefined) {
-    bodyParams["tags"] = serializeAws_json1_1TagsMap(input.tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.resourceArn !== undefined && { resourceArn: input.resourceArn }),
+    ...(input.tags !== undefined && {
+      tags: serializeAws_json1_1TagsMap(input.tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1TagsMap = (
@@ -22044,17 +21826,17 @@ const serializeAws_json1_1Target = (
   input: Target,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.destinationReference !== undefined) {
-    bodyParams["destinationReference"] = input.destinationReference;
-  }
-  if (input.repositoryName !== undefined) {
-    bodyParams["repositoryName"] = input.repositoryName;
-  }
-  if (input.sourceReference !== undefined) {
-    bodyParams["sourceReference"] = input.sourceReference;
-  }
-  return bodyParams;
+  return {
+    ...(input.destinationReference !== undefined && {
+      destinationReference: input.destinationReference
+    }),
+    ...(input.repositoryName !== undefined && {
+      repositoryName: input.repositoryName
+    }),
+    ...(input.sourceReference !== undefined && {
+      sourceReference: input.sourceReference
+    })
+  };
 };
 
 const serializeAws_json1_1TargetList = (
@@ -22068,217 +21850,195 @@ const serializeAws_json1_1TestRepositoryTriggersInput = (
   input: TestRepositoryTriggersInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.repositoryName !== undefined) {
-    bodyParams["repositoryName"] = input.repositoryName;
-  }
-  if (input.triggers !== undefined) {
-    bodyParams["triggers"] = serializeAws_json1_1RepositoryTriggersList(
-      input.triggers,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.repositoryName !== undefined && {
+      repositoryName: input.repositoryName
+    }),
+    ...(input.triggers !== undefined && {
+      triggers: serializeAws_json1_1RepositoryTriggersList(
+        input.triggers,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1UntagResourceInput = (
   input: UntagResourceInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.resourceArn !== undefined) {
-    bodyParams["resourceArn"] = input.resourceArn;
-  }
-  if (input.tagKeys !== undefined) {
-    bodyParams["tagKeys"] = serializeAws_json1_1TagKeysList(
-      input.tagKeys,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.resourceArn !== undefined && { resourceArn: input.resourceArn }),
+    ...(input.tagKeys !== undefined && {
+      tagKeys: serializeAws_json1_1TagKeysList(input.tagKeys, context)
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateApprovalRuleTemplateContentInput = (
   input: UpdateApprovalRuleTemplateContentInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.approvalRuleTemplateName !== undefined) {
-    bodyParams["approvalRuleTemplateName"] = input.approvalRuleTemplateName;
-  }
-  if (input.existingRuleContentSha256 !== undefined) {
-    bodyParams["existingRuleContentSha256"] = input.existingRuleContentSha256;
-  }
-  if (input.newRuleContent !== undefined) {
-    bodyParams["newRuleContent"] = input.newRuleContent;
-  }
-  return bodyParams;
+  return {
+    ...(input.approvalRuleTemplateName !== undefined && {
+      approvalRuleTemplateName: input.approvalRuleTemplateName
+    }),
+    ...(input.existingRuleContentSha256 !== undefined && {
+      existingRuleContentSha256: input.existingRuleContentSha256
+    }),
+    ...(input.newRuleContent !== undefined && {
+      newRuleContent: input.newRuleContent
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateApprovalRuleTemplateDescriptionInput = (
   input: UpdateApprovalRuleTemplateDescriptionInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.approvalRuleTemplateDescription !== undefined) {
-    bodyParams["approvalRuleTemplateDescription"] =
-      input.approvalRuleTemplateDescription;
-  }
-  if (input.approvalRuleTemplateName !== undefined) {
-    bodyParams["approvalRuleTemplateName"] = input.approvalRuleTemplateName;
-  }
-  return bodyParams;
+  return {
+    ...(input.approvalRuleTemplateDescription !== undefined && {
+      approvalRuleTemplateDescription: input.approvalRuleTemplateDescription
+    }),
+    ...(input.approvalRuleTemplateName !== undefined && {
+      approvalRuleTemplateName: input.approvalRuleTemplateName
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateApprovalRuleTemplateNameInput = (
   input: UpdateApprovalRuleTemplateNameInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.newApprovalRuleTemplateName !== undefined) {
-    bodyParams["newApprovalRuleTemplateName"] =
-      input.newApprovalRuleTemplateName;
-  }
-  if (input.oldApprovalRuleTemplateName !== undefined) {
-    bodyParams["oldApprovalRuleTemplateName"] =
-      input.oldApprovalRuleTemplateName;
-  }
-  return bodyParams;
+  return {
+    ...(input.newApprovalRuleTemplateName !== undefined && {
+      newApprovalRuleTemplateName: input.newApprovalRuleTemplateName
+    }),
+    ...(input.oldApprovalRuleTemplateName !== undefined && {
+      oldApprovalRuleTemplateName: input.oldApprovalRuleTemplateName
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateCommentInput = (
   input: UpdateCommentInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.commentId !== undefined) {
-    bodyParams["commentId"] = input.commentId;
-  }
-  if (input.content !== undefined) {
-    bodyParams["content"] = input.content;
-  }
-  return bodyParams;
+  return {
+    ...(input.commentId !== undefined && { commentId: input.commentId }),
+    ...(input.content !== undefined && { content: input.content })
+  };
 };
 
 const serializeAws_json1_1UpdateDefaultBranchInput = (
   input: UpdateDefaultBranchInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.defaultBranchName !== undefined) {
-    bodyParams["defaultBranchName"] = input.defaultBranchName;
-  }
-  if (input.repositoryName !== undefined) {
-    bodyParams["repositoryName"] = input.repositoryName;
-  }
-  return bodyParams;
+  return {
+    ...(input.defaultBranchName !== undefined && {
+      defaultBranchName: input.defaultBranchName
+    }),
+    ...(input.repositoryName !== undefined && {
+      repositoryName: input.repositoryName
+    })
+  };
 };
 
 const serializeAws_json1_1UpdatePullRequestApprovalRuleContentInput = (
   input: UpdatePullRequestApprovalRuleContentInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.approvalRuleName !== undefined) {
-    bodyParams["approvalRuleName"] = input.approvalRuleName;
-  }
-  if (input.existingRuleContentSha256 !== undefined) {
-    bodyParams["existingRuleContentSha256"] = input.existingRuleContentSha256;
-  }
-  if (input.newRuleContent !== undefined) {
-    bodyParams["newRuleContent"] = input.newRuleContent;
-  }
-  if (input.pullRequestId !== undefined) {
-    bodyParams["pullRequestId"] = input.pullRequestId;
-  }
-  return bodyParams;
+  return {
+    ...(input.approvalRuleName !== undefined && {
+      approvalRuleName: input.approvalRuleName
+    }),
+    ...(input.existingRuleContentSha256 !== undefined && {
+      existingRuleContentSha256: input.existingRuleContentSha256
+    }),
+    ...(input.newRuleContent !== undefined && {
+      newRuleContent: input.newRuleContent
+    }),
+    ...(input.pullRequestId !== undefined && {
+      pullRequestId: input.pullRequestId
+    })
+  };
 };
 
 const serializeAws_json1_1UpdatePullRequestApprovalStateInput = (
   input: UpdatePullRequestApprovalStateInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.approvalState !== undefined) {
-    bodyParams["approvalState"] = input.approvalState;
-  }
-  if (input.pullRequestId !== undefined) {
-    bodyParams["pullRequestId"] = input.pullRequestId;
-  }
-  if (input.revisionId !== undefined) {
-    bodyParams["revisionId"] = input.revisionId;
-  }
-  return bodyParams;
+  return {
+    ...(input.approvalState !== undefined && {
+      approvalState: input.approvalState
+    }),
+    ...(input.pullRequestId !== undefined && {
+      pullRequestId: input.pullRequestId
+    }),
+    ...(input.revisionId !== undefined && { revisionId: input.revisionId })
+  };
 };
 
 const serializeAws_json1_1UpdatePullRequestDescriptionInput = (
   input: UpdatePullRequestDescriptionInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.description !== undefined) {
-    bodyParams["description"] = input.description;
-  }
-  if (input.pullRequestId !== undefined) {
-    bodyParams["pullRequestId"] = input.pullRequestId;
-  }
-  return bodyParams;
+  return {
+    ...(input.description !== undefined && { description: input.description }),
+    ...(input.pullRequestId !== undefined && {
+      pullRequestId: input.pullRequestId
+    })
+  };
 };
 
 const serializeAws_json1_1UpdatePullRequestStatusInput = (
   input: UpdatePullRequestStatusInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.pullRequestId !== undefined) {
-    bodyParams["pullRequestId"] = input.pullRequestId;
-  }
-  if (input.pullRequestStatus !== undefined) {
-    bodyParams["pullRequestStatus"] = input.pullRequestStatus;
-  }
-  return bodyParams;
+  return {
+    ...(input.pullRequestId !== undefined && {
+      pullRequestId: input.pullRequestId
+    }),
+    ...(input.pullRequestStatus !== undefined && {
+      pullRequestStatus: input.pullRequestStatus
+    })
+  };
 };
 
 const serializeAws_json1_1UpdatePullRequestTitleInput = (
   input: UpdatePullRequestTitleInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.pullRequestId !== undefined) {
-    bodyParams["pullRequestId"] = input.pullRequestId;
-  }
-  if (input.title !== undefined) {
-    bodyParams["title"] = input.title;
-  }
-  return bodyParams;
+  return {
+    ...(input.pullRequestId !== undefined && {
+      pullRequestId: input.pullRequestId
+    }),
+    ...(input.title !== undefined && { title: input.title })
+  };
 };
 
 const serializeAws_json1_1UpdateRepositoryDescriptionInput = (
   input: UpdateRepositoryDescriptionInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.repositoryDescription !== undefined) {
-    bodyParams["repositoryDescription"] = input.repositoryDescription;
-  }
-  if (input.repositoryName !== undefined) {
-    bodyParams["repositoryName"] = input.repositoryName;
-  }
-  return bodyParams;
+  return {
+    ...(input.repositoryDescription !== undefined && {
+      repositoryDescription: input.repositoryDescription
+    }),
+    ...(input.repositoryName !== undefined && {
+      repositoryName: input.repositoryName
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateRepositoryNameInput = (
   input: UpdateRepositoryNameInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.newName !== undefined) {
-    bodyParams["newName"] = input.newName;
-  }
-  if (input.oldName !== undefined) {
-    bodyParams["oldName"] = input.oldName;
-  }
-  return bodyParams;
+  return {
+    ...(input.newName !== undefined && { newName: input.newName }),
+    ...(input.oldName !== undefined && { oldName: input.oldName })
+  };
 };
 
 const deserializeAws_json1_1ActorDoesNotExistException = (
diff --git a/clients/client-codedeploy/protocols/Aws_json1_1.ts b/clients/client-codedeploy/protocols/Aws_json1_1.ts
index d72905c9bb4a..54d3a7fcc66b 100644
--- a/clients/client-codedeploy/protocols/Aws_json1_1.ts
+++ b/clients/client-codedeploy/protocols/Aws_json1_1.ts
@@ -8989,45 +8989,41 @@ const serializeAws_json1_1AddTagsToOnPremisesInstancesInput = (
   input: AddTagsToOnPremisesInstancesInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.instanceNames !== undefined) {
-    bodyParams["instanceNames"] = serializeAws_json1_1InstanceNameList(
-      input.instanceNames,
-      context
-    );
-  }
-  if (input.tags !== undefined) {
-    bodyParams["tags"] = serializeAws_json1_1TagList(input.tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.instanceNames !== undefined && {
+      instanceNames: serializeAws_json1_1InstanceNameList(
+        input.instanceNames,
+        context
+      )
+    }),
+    ...(input.tags !== undefined && {
+      tags: serializeAws_json1_1TagList(input.tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1Alarm = (
   input: Alarm,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  return bodyParams;
+  return {
+    ...(input.name !== undefined && { name: input.name })
+  };
 };
 
 const serializeAws_json1_1AlarmConfiguration = (
   input: AlarmConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.alarms !== undefined) {
-    bodyParams["alarms"] = serializeAws_json1_1AlarmList(input.alarms, context);
-  }
-  if (input.enabled !== undefined) {
-    bodyParams["enabled"] = input.enabled;
-  }
-  if (input.ignorePollAlarmFailure !== undefined) {
-    bodyParams["ignorePollAlarmFailure"] = input.ignorePollAlarmFailure;
-  }
-  return bodyParams;
+  return {
+    ...(input.alarms !== undefined && {
+      alarms: serializeAws_json1_1AlarmList(input.alarms, context)
+    }),
+    ...(input.enabled !== undefined && { enabled: input.enabled }),
+    ...(input.ignorePollAlarmFailure !== undefined && {
+      ignorePollAlarmFailure: input.ignorePollAlarmFailure
+    })
+  };
 };
 
 const serializeAws_json1_1AlarmList = (
@@ -9041,14 +9037,10 @@ const serializeAws_json1_1AppSpecContent = (
   input: AppSpecContent,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.content !== undefined) {
-    bodyParams["content"] = input.content;
-  }
-  if (input.sha256 !== undefined) {
-    bodyParams["sha256"] = input.sha256;
-  }
-  return bodyParams;
+  return {
+    ...(input.content !== undefined && { content: input.content }),
+    ...(input.sha256 !== undefined && { sha256: input.sha256 })
+  };
 };
 
 const serializeAws_json1_1ApplicationsList = (
@@ -9062,17 +9054,12 @@ const serializeAws_json1_1AutoRollbackConfiguration = (
   input: AutoRollbackConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.enabled !== undefined) {
-    bodyParams["enabled"] = input.enabled;
-  }
-  if (input.events !== undefined) {
-    bodyParams["events"] = serializeAws_json1_1AutoRollbackEventsList(
-      input.events,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.enabled !== undefined && { enabled: input.enabled }),
+    ...(input.events !== undefined && {
+      events: serializeAws_json1_1AutoRollbackEventsList(input.events, context)
+    })
+  };
 };
 
 const serializeAws_json1_1AutoRollbackEventsList = (
@@ -9093,419 +9080,378 @@ const serializeAws_json1_1BatchGetApplicationRevisionsInput = (
   input: BatchGetApplicationRevisionsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.applicationName !== undefined) {
-    bodyParams["applicationName"] = input.applicationName;
-  }
-  if (input.revisions !== undefined) {
-    bodyParams["revisions"] = serializeAws_json1_1RevisionLocationList(
-      input.revisions,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.applicationName !== undefined && {
+      applicationName: input.applicationName
+    }),
+    ...(input.revisions !== undefined && {
+      revisions: serializeAws_json1_1RevisionLocationList(
+        input.revisions,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1BatchGetApplicationsInput = (
   input: BatchGetApplicationsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.applicationNames !== undefined) {
-    bodyParams["applicationNames"] = serializeAws_json1_1ApplicationsList(
-      input.applicationNames,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.applicationNames !== undefined && {
+      applicationNames: serializeAws_json1_1ApplicationsList(
+        input.applicationNames,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1BatchGetDeploymentGroupsInput = (
   input: BatchGetDeploymentGroupsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.applicationName !== undefined) {
-    bodyParams["applicationName"] = input.applicationName;
-  }
-  if (input.deploymentGroupNames !== undefined) {
-    bodyParams[
-      "deploymentGroupNames"
-    ] = serializeAws_json1_1DeploymentGroupsList(
-      input.deploymentGroupNames,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.applicationName !== undefined && {
+      applicationName: input.applicationName
+    }),
+    ...(input.deploymentGroupNames !== undefined && {
+      deploymentGroupNames: serializeAws_json1_1DeploymentGroupsList(
+        input.deploymentGroupNames,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1BatchGetDeploymentInstancesInput = (
   input: BatchGetDeploymentInstancesInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.deploymentId !== undefined) {
-    bodyParams["deploymentId"] = input.deploymentId;
-  }
-  if (input.instanceIds !== undefined) {
-    bodyParams["instanceIds"] = serializeAws_json1_1InstancesList(
-      input.instanceIds,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.deploymentId !== undefined && {
+      deploymentId: input.deploymentId
+    }),
+    ...(input.instanceIds !== undefined && {
+      instanceIds: serializeAws_json1_1InstancesList(input.instanceIds, context)
+    })
+  };
 };
 
 const serializeAws_json1_1BatchGetDeploymentTargetsInput = (
   input: BatchGetDeploymentTargetsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.deploymentId !== undefined) {
-    bodyParams["deploymentId"] = input.deploymentId;
-  }
-  if (input.targetIds !== undefined) {
-    bodyParams["targetIds"] = serializeAws_json1_1TargetIdList(
-      input.targetIds,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.deploymentId !== undefined && {
+      deploymentId: input.deploymentId
+    }),
+    ...(input.targetIds !== undefined && {
+      targetIds: serializeAws_json1_1TargetIdList(input.targetIds, context)
+    })
+  };
 };
 
 const serializeAws_json1_1BatchGetDeploymentsInput = (
   input: BatchGetDeploymentsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.deploymentIds !== undefined) {
-    bodyParams["deploymentIds"] = serializeAws_json1_1DeploymentsList(
-      input.deploymentIds,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.deploymentIds !== undefined && {
+      deploymentIds: serializeAws_json1_1DeploymentsList(
+        input.deploymentIds,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1BatchGetOnPremisesInstancesInput = (
   input: BatchGetOnPremisesInstancesInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.instanceNames !== undefined) {
-    bodyParams["instanceNames"] = serializeAws_json1_1InstanceNameList(
-      input.instanceNames,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.instanceNames !== undefined && {
+      instanceNames: serializeAws_json1_1InstanceNameList(
+        input.instanceNames,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1BlueGreenDeploymentConfiguration = (
   input: BlueGreenDeploymentConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.deploymentReadyOption !== undefined) {
-    bodyParams[
-      "deploymentReadyOption"
-    ] = serializeAws_json1_1DeploymentReadyOption(
-      input.deploymentReadyOption,
-      context
-    );
-  }
-  if (input.greenFleetProvisioningOption !== undefined) {
-    bodyParams[
-      "greenFleetProvisioningOption"
-    ] = serializeAws_json1_1GreenFleetProvisioningOption(
-      input.greenFleetProvisioningOption,
-      context
-    );
-  }
-  if (input.terminateBlueInstancesOnDeploymentSuccess !== undefined) {
-    bodyParams[
-      "terminateBlueInstancesOnDeploymentSuccess"
-    ] = serializeAws_json1_1BlueInstanceTerminationOption(
-      input.terminateBlueInstancesOnDeploymentSuccess,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.deploymentReadyOption !== undefined && {
+      deploymentReadyOption: serializeAws_json1_1DeploymentReadyOption(
+        input.deploymentReadyOption,
+        context
+      )
+    }),
+    ...(input.greenFleetProvisioningOption !== undefined && {
+      greenFleetProvisioningOption: serializeAws_json1_1GreenFleetProvisioningOption(
+        input.greenFleetProvisioningOption,
+        context
+      )
+    }),
+    ...(input.terminateBlueInstancesOnDeploymentSuccess !== undefined && {
+      terminateBlueInstancesOnDeploymentSuccess: serializeAws_json1_1BlueInstanceTerminationOption(
+        input.terminateBlueInstancesOnDeploymentSuccess,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1BlueInstanceTerminationOption = (
   input: BlueInstanceTerminationOption,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.action !== undefined) {
-    bodyParams["action"] = input.action;
-  }
-  if (input.terminationWaitTimeInMinutes !== undefined) {
-    bodyParams["terminationWaitTimeInMinutes"] =
-      input.terminationWaitTimeInMinutes;
-  }
-  return bodyParams;
+  return {
+    ...(input.action !== undefined && { action: input.action }),
+    ...(input.terminationWaitTimeInMinutes !== undefined && {
+      terminationWaitTimeInMinutes: input.terminationWaitTimeInMinutes
+    })
+  };
 };
 
 const serializeAws_json1_1ContinueDeploymentInput = (
   input: ContinueDeploymentInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.deploymentId !== undefined) {
-    bodyParams["deploymentId"] = input.deploymentId;
-  }
-  if (input.deploymentWaitType !== undefined) {
-    bodyParams["deploymentWaitType"] = input.deploymentWaitType;
-  }
-  return bodyParams;
+  return {
+    ...(input.deploymentId !== undefined && {
+      deploymentId: input.deploymentId
+    }),
+    ...(input.deploymentWaitType !== undefined && {
+      deploymentWaitType: input.deploymentWaitType
+    })
+  };
 };
 
 const serializeAws_json1_1CreateApplicationInput = (
   input: CreateApplicationInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.applicationName !== undefined) {
-    bodyParams["applicationName"] = input.applicationName;
-  }
-  if (input.computePlatform !== undefined) {
-    bodyParams["computePlatform"] = input.computePlatform;
-  }
-  if (input.tags !== undefined) {
-    bodyParams["tags"] = serializeAws_json1_1TagList(input.tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.applicationName !== undefined && {
+      applicationName: input.applicationName
+    }),
+    ...(input.computePlatform !== undefined && {
+      computePlatform: input.computePlatform
+    }),
+    ...(input.tags !== undefined && {
+      tags: serializeAws_json1_1TagList(input.tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1CreateDeploymentConfigInput = (
   input: CreateDeploymentConfigInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.computePlatform !== undefined) {
-    bodyParams["computePlatform"] = input.computePlatform;
-  }
-  if (input.deploymentConfigName !== undefined) {
-    bodyParams["deploymentConfigName"] = input.deploymentConfigName;
-  }
-  if (input.minimumHealthyHosts !== undefined) {
-    bodyParams["minimumHealthyHosts"] = serializeAws_json1_1MinimumHealthyHosts(
-      input.minimumHealthyHosts,
-      context
-    );
-  }
-  if (input.trafficRoutingConfig !== undefined) {
-    bodyParams[
-      "trafficRoutingConfig"
-    ] = serializeAws_json1_1TrafficRoutingConfig(
-      input.trafficRoutingConfig,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.computePlatform !== undefined && {
+      computePlatform: input.computePlatform
+    }),
+    ...(input.deploymentConfigName !== undefined && {
+      deploymentConfigName: input.deploymentConfigName
+    }),
+    ...(input.minimumHealthyHosts !== undefined && {
+      minimumHealthyHosts: serializeAws_json1_1MinimumHealthyHosts(
+        input.minimumHealthyHosts,
+        context
+      )
+    }),
+    ...(input.trafficRoutingConfig !== undefined && {
+      trafficRoutingConfig: serializeAws_json1_1TrafficRoutingConfig(
+        input.trafficRoutingConfig,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1CreateDeploymentGroupInput = (
   input: CreateDeploymentGroupInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.alarmConfiguration !== undefined) {
-    bodyParams["alarmConfiguration"] = serializeAws_json1_1AlarmConfiguration(
-      input.alarmConfiguration,
-      context
-    );
-  }
-  if (input.applicationName !== undefined) {
-    bodyParams["applicationName"] = input.applicationName;
-  }
-  if (input.autoRollbackConfiguration !== undefined) {
-    bodyParams[
-      "autoRollbackConfiguration"
-    ] = serializeAws_json1_1AutoRollbackConfiguration(
-      input.autoRollbackConfiguration,
-      context
-    );
-  }
-  if (input.autoScalingGroups !== undefined) {
-    bodyParams[
-      "autoScalingGroups"
-    ] = serializeAws_json1_1AutoScalingGroupNameList(
-      input.autoScalingGroups,
-      context
-    );
-  }
-  if (input.blueGreenDeploymentConfiguration !== undefined) {
-    bodyParams[
-      "blueGreenDeploymentConfiguration"
-    ] = serializeAws_json1_1BlueGreenDeploymentConfiguration(
-      input.blueGreenDeploymentConfiguration,
-      context
-    );
-  }
-  if (input.deploymentConfigName !== undefined) {
-    bodyParams["deploymentConfigName"] = input.deploymentConfigName;
-  }
-  if (input.deploymentGroupName !== undefined) {
-    bodyParams["deploymentGroupName"] = input.deploymentGroupName;
-  }
-  if (input.deploymentStyle !== undefined) {
-    bodyParams["deploymentStyle"] = serializeAws_json1_1DeploymentStyle(
-      input.deploymentStyle,
-      context
-    );
-  }
-  if (input.ec2TagFilters !== undefined) {
-    bodyParams["ec2TagFilters"] = serializeAws_json1_1EC2TagFilterList(
-      input.ec2TagFilters,
-      context
-    );
-  }
-  if (input.ec2TagSet !== undefined) {
-    bodyParams["ec2TagSet"] = serializeAws_json1_1EC2TagSet(
-      input.ec2TagSet,
-      context
-    );
-  }
-  if (input.ecsServices !== undefined) {
-    bodyParams["ecsServices"] = serializeAws_json1_1ECSServiceList(
-      input.ecsServices,
-      context
-    );
-  }
-  if (input.loadBalancerInfo !== undefined) {
-    bodyParams["loadBalancerInfo"] = serializeAws_json1_1LoadBalancerInfo(
-      input.loadBalancerInfo,
-      context
-    );
-  }
-  if (input.onPremisesInstanceTagFilters !== undefined) {
-    bodyParams[
-      "onPremisesInstanceTagFilters"
-    ] = serializeAws_json1_1TagFilterList(
-      input.onPremisesInstanceTagFilters,
-      context
-    );
-  }
-  if (input.onPremisesTagSet !== undefined) {
-    bodyParams["onPremisesTagSet"] = serializeAws_json1_1OnPremisesTagSet(
-      input.onPremisesTagSet,
-      context
-    );
-  }
-  if (input.serviceRoleArn !== undefined) {
-    bodyParams["serviceRoleArn"] = input.serviceRoleArn;
-  }
-  if (input.tags !== undefined) {
-    bodyParams["tags"] = serializeAws_json1_1TagList(input.tags, context);
-  }
-  if (input.triggerConfigurations !== undefined) {
-    bodyParams["triggerConfigurations"] = serializeAws_json1_1TriggerConfigList(
-      input.triggerConfigurations,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.alarmConfiguration !== undefined && {
+      alarmConfiguration: serializeAws_json1_1AlarmConfiguration(
+        input.alarmConfiguration,
+        context
+      )
+    }),
+    ...(input.applicationName !== undefined && {
+      applicationName: input.applicationName
+    }),
+    ...(input.autoRollbackConfiguration !== undefined && {
+      autoRollbackConfiguration: serializeAws_json1_1AutoRollbackConfiguration(
+        input.autoRollbackConfiguration,
+        context
+      )
+    }),
+    ...(input.autoScalingGroups !== undefined && {
+      autoScalingGroups: serializeAws_json1_1AutoScalingGroupNameList(
+        input.autoScalingGroups,
+        context
+      )
+    }),
+    ...(input.blueGreenDeploymentConfiguration !== undefined && {
+      blueGreenDeploymentConfiguration: serializeAws_json1_1BlueGreenDeploymentConfiguration(
+        input.blueGreenDeploymentConfiguration,
+        context
+      )
+    }),
+    ...(input.deploymentConfigName !== undefined && {
+      deploymentConfigName: input.deploymentConfigName
+    }),
+    ...(input.deploymentGroupName !== undefined && {
+      deploymentGroupName: input.deploymentGroupName
+    }),
+    ...(input.deploymentStyle !== undefined && {
+      deploymentStyle: serializeAws_json1_1DeploymentStyle(
+        input.deploymentStyle,
+        context
+      )
+    }),
+    ...(input.ec2TagFilters !== undefined && {
+      ec2TagFilters: serializeAws_json1_1EC2TagFilterList(
+        input.ec2TagFilters,
+        context
+      )
+    }),
+    ...(input.ec2TagSet !== undefined && {
+      ec2TagSet: serializeAws_json1_1EC2TagSet(input.ec2TagSet, context)
+    }),
+    ...(input.ecsServices !== undefined && {
+      ecsServices: serializeAws_json1_1ECSServiceList(
+        input.ecsServices,
+        context
+      )
+    }),
+    ...(input.loadBalancerInfo !== undefined && {
+      loadBalancerInfo: serializeAws_json1_1LoadBalancerInfo(
+        input.loadBalancerInfo,
+        context
+      )
+    }),
+    ...(input.onPremisesInstanceTagFilters !== undefined && {
+      onPremisesInstanceTagFilters: serializeAws_json1_1TagFilterList(
+        input.onPremisesInstanceTagFilters,
+        context
+      )
+    }),
+    ...(input.onPremisesTagSet !== undefined && {
+      onPremisesTagSet: serializeAws_json1_1OnPremisesTagSet(
+        input.onPremisesTagSet,
+        context
+      )
+    }),
+    ...(input.serviceRoleArn !== undefined && {
+      serviceRoleArn: input.serviceRoleArn
+    }),
+    ...(input.tags !== undefined && {
+      tags: serializeAws_json1_1TagList(input.tags, context)
+    }),
+    ...(input.triggerConfigurations !== undefined && {
+      triggerConfigurations: serializeAws_json1_1TriggerConfigList(
+        input.triggerConfigurations,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1CreateDeploymentInput = (
   input: CreateDeploymentInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.applicationName !== undefined) {
-    bodyParams["applicationName"] = input.applicationName;
-  }
-  if (input.autoRollbackConfiguration !== undefined) {
-    bodyParams[
-      "autoRollbackConfiguration"
-    ] = serializeAws_json1_1AutoRollbackConfiguration(
-      input.autoRollbackConfiguration,
-      context
-    );
-  }
-  if (input.deploymentConfigName !== undefined) {
-    bodyParams["deploymentConfigName"] = input.deploymentConfigName;
-  }
-  if (input.deploymentGroupName !== undefined) {
-    bodyParams["deploymentGroupName"] = input.deploymentGroupName;
-  }
-  if (input.description !== undefined) {
-    bodyParams["description"] = input.description;
-  }
-  if (input.fileExistsBehavior !== undefined) {
-    bodyParams["fileExistsBehavior"] = input.fileExistsBehavior;
-  }
-  if (input.ignoreApplicationStopFailures !== undefined) {
-    bodyParams["ignoreApplicationStopFailures"] =
-      input.ignoreApplicationStopFailures;
-  }
-  if (input.revision !== undefined) {
-    bodyParams["revision"] = serializeAws_json1_1RevisionLocation(
-      input.revision,
-      context
-    );
-  }
-  if (input.targetInstances !== undefined) {
-    bodyParams["targetInstances"] = serializeAws_json1_1TargetInstances(
-      input.targetInstances,
-      context
-    );
-  }
-  if (input.updateOutdatedInstancesOnly !== undefined) {
-    bodyParams["updateOutdatedInstancesOnly"] =
-      input.updateOutdatedInstancesOnly;
-  }
-  return bodyParams;
+  return {
+    ...(input.applicationName !== undefined && {
+      applicationName: input.applicationName
+    }),
+    ...(input.autoRollbackConfiguration !== undefined && {
+      autoRollbackConfiguration: serializeAws_json1_1AutoRollbackConfiguration(
+        input.autoRollbackConfiguration,
+        context
+      )
+    }),
+    ...(input.deploymentConfigName !== undefined && {
+      deploymentConfigName: input.deploymentConfigName
+    }),
+    ...(input.deploymentGroupName !== undefined && {
+      deploymentGroupName: input.deploymentGroupName
+    }),
+    ...(input.description !== undefined && { description: input.description }),
+    ...(input.fileExistsBehavior !== undefined && {
+      fileExistsBehavior: input.fileExistsBehavior
+    }),
+    ...(input.ignoreApplicationStopFailures !== undefined && {
+      ignoreApplicationStopFailures: input.ignoreApplicationStopFailures
+    }),
+    ...(input.revision !== undefined && {
+      revision: serializeAws_json1_1RevisionLocation(input.revision, context)
+    }),
+    ...(input.targetInstances !== undefined && {
+      targetInstances: serializeAws_json1_1TargetInstances(
+        input.targetInstances,
+        context
+      )
+    }),
+    ...(input.updateOutdatedInstancesOnly !== undefined && {
+      updateOutdatedInstancesOnly: input.updateOutdatedInstancesOnly
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteApplicationInput = (
   input: DeleteApplicationInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.applicationName !== undefined) {
-    bodyParams["applicationName"] = input.applicationName;
-  }
-  return bodyParams;
+  return {
+    ...(input.applicationName !== undefined && {
+      applicationName: input.applicationName
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteDeploymentConfigInput = (
   input: DeleteDeploymentConfigInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.deploymentConfigName !== undefined) {
-    bodyParams["deploymentConfigName"] = input.deploymentConfigName;
-  }
-  return bodyParams;
+  return {
+    ...(input.deploymentConfigName !== undefined && {
+      deploymentConfigName: input.deploymentConfigName
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteDeploymentGroupInput = (
   input: DeleteDeploymentGroupInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.applicationName !== undefined) {
-    bodyParams["applicationName"] = input.applicationName;
-  }
-  if (input.deploymentGroupName !== undefined) {
-    bodyParams["deploymentGroupName"] = input.deploymentGroupName;
-  }
-  return bodyParams;
+  return {
+    ...(input.applicationName !== undefined && {
+      applicationName: input.applicationName
+    }),
+    ...(input.deploymentGroupName !== undefined && {
+      deploymentGroupName: input.deploymentGroupName
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteGitHubAccountTokenInput = (
   input: DeleteGitHubAccountTokenInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.tokenName !== undefined) {
-    bodyParams["tokenName"] = input.tokenName;
-  }
-  return bodyParams;
+  return {
+    ...(input.tokenName !== undefined && { tokenName: input.tokenName })
+  };
 };
 
 const serializeAws_json1_1DeploymentGroupsList = (
@@ -9519,14 +9465,14 @@ const serializeAws_json1_1DeploymentReadyOption = (
   input: DeploymentReadyOption,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.actionOnTimeout !== undefined) {
-    bodyParams["actionOnTimeout"] = input.actionOnTimeout;
-  }
-  if (input.waitTimeInMinutes !== undefined) {
-    bodyParams["waitTimeInMinutes"] = input.waitTimeInMinutes;
-  }
-  return bodyParams;
+  return {
+    ...(input.actionOnTimeout !== undefined && {
+      actionOnTimeout: input.actionOnTimeout
+    }),
+    ...(input.waitTimeInMinutes !== undefined && {
+      waitTimeInMinutes: input.waitTimeInMinutes
+    })
+  };
 };
 
 const serializeAws_json1_1DeploymentStatusList = (
@@ -9540,14 +9486,14 @@ const serializeAws_json1_1DeploymentStyle = (
   input: DeploymentStyle,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.deploymentOption !== undefined) {
-    bodyParams["deploymentOption"] = input.deploymentOption;
-  }
-  if (input.deploymentType !== undefined) {
-    bodyParams["deploymentType"] = input.deploymentType;
-  }
-  return bodyParams;
+  return {
+    ...(input.deploymentOption !== undefined && {
+      deploymentOption: input.deploymentOption
+    }),
+    ...(input.deploymentType !== undefined && {
+      deploymentType: input.deploymentType
+    })
+  };
 };
 
 const serializeAws_json1_1DeploymentsList = (
@@ -9561,28 +9507,22 @@ const serializeAws_json1_1DeregisterOnPremisesInstanceInput = (
   input: DeregisterOnPremisesInstanceInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.instanceName !== undefined) {
-    bodyParams["instanceName"] = input.instanceName;
-  }
-  return bodyParams;
+  return {
+    ...(input.instanceName !== undefined && {
+      instanceName: input.instanceName
+    })
+  };
 };
 
 const serializeAws_json1_1EC2TagFilter = (
   input: EC2TagFilter,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Key !== undefined) {
-    bodyParams["Key"] = input.Key;
-  }
-  if (input.Type !== undefined) {
-    bodyParams["Type"] = input.Type;
-  }
-  if (input.Value !== undefined) {
-    bodyParams["Value"] = input.Value;
-  }
-  return bodyParams;
+  return {
+    ...(input.Key !== undefined && { Key: input.Key }),
+    ...(input.Type !== undefined && { Type: input.Type }),
+    ...(input.Value !== undefined && { Value: input.Value })
+  };
 };
 
 const serializeAws_json1_1EC2TagFilterList = (
@@ -9596,14 +9536,14 @@ const serializeAws_json1_1EC2TagSet = (
   input: EC2TagSet,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ec2TagSetList !== undefined) {
-    bodyParams["ec2TagSetList"] = serializeAws_json1_1EC2TagSetList(
-      input.ec2TagSetList,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ec2TagSetList !== undefined && {
+      ec2TagSetList: serializeAws_json1_1EC2TagSetList(
+        input.ec2TagSetList,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1EC2TagSetList = (
@@ -9619,14 +9559,10 @@ const serializeAws_json1_1ECSService = (
   input: ECSService,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.clusterName !== undefined) {
-    bodyParams["clusterName"] = input.clusterName;
-  }
-  if (input.serviceName !== undefined) {
-    bodyParams["serviceName"] = input.serviceName;
-  }
-  return bodyParams;
+  return {
+    ...(input.clusterName !== undefined && { clusterName: input.clusterName }),
+    ...(input.serviceName !== undefined && { serviceName: input.serviceName })
+  };
 };
 
 const serializeAws_json1_1ECSServiceList = (
@@ -9640,11 +9576,9 @@ const serializeAws_json1_1ELBInfo = (
   input: ELBInfo,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  return bodyParams;
+  return {
+    ...(input.name !== undefined && { name: input.name })
+  };
 };
 
 const serializeAws_json1_1ELBInfoList = (
@@ -9665,128 +9599,115 @@ const serializeAws_json1_1GetApplicationInput = (
   input: GetApplicationInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.applicationName !== undefined) {
-    bodyParams["applicationName"] = input.applicationName;
-  }
-  return bodyParams;
+  return {
+    ...(input.applicationName !== undefined && {
+      applicationName: input.applicationName
+    })
+  };
 };
 
 const serializeAws_json1_1GetApplicationRevisionInput = (
   input: GetApplicationRevisionInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.applicationName !== undefined) {
-    bodyParams["applicationName"] = input.applicationName;
-  }
-  if (input.revision !== undefined) {
-    bodyParams["revision"] = serializeAws_json1_1RevisionLocation(
-      input.revision,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.applicationName !== undefined && {
+      applicationName: input.applicationName
+    }),
+    ...(input.revision !== undefined && {
+      revision: serializeAws_json1_1RevisionLocation(input.revision, context)
+    })
+  };
 };
 
 const serializeAws_json1_1GetDeploymentConfigInput = (
   input: GetDeploymentConfigInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.deploymentConfigName !== undefined) {
-    bodyParams["deploymentConfigName"] = input.deploymentConfigName;
-  }
-  return bodyParams;
+  return {
+    ...(input.deploymentConfigName !== undefined && {
+      deploymentConfigName: input.deploymentConfigName
+    })
+  };
 };
 
 const serializeAws_json1_1GetDeploymentGroupInput = (
   input: GetDeploymentGroupInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.applicationName !== undefined) {
-    bodyParams["applicationName"] = input.applicationName;
-  }
-  if (input.deploymentGroupName !== undefined) {
-    bodyParams["deploymentGroupName"] = input.deploymentGroupName;
-  }
-  return bodyParams;
+  return {
+    ...(input.applicationName !== undefined && {
+      applicationName: input.applicationName
+    }),
+    ...(input.deploymentGroupName !== undefined && {
+      deploymentGroupName: input.deploymentGroupName
+    })
+  };
 };
 
 const serializeAws_json1_1GetDeploymentInput = (
   input: GetDeploymentInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.deploymentId !== undefined) {
-    bodyParams["deploymentId"] = input.deploymentId;
-  }
-  return bodyParams;
+  return {
+    ...(input.deploymentId !== undefined && {
+      deploymentId: input.deploymentId
+    })
+  };
 };
 
 const serializeAws_json1_1GetDeploymentInstanceInput = (
   input: GetDeploymentInstanceInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.deploymentId !== undefined) {
-    bodyParams["deploymentId"] = input.deploymentId;
-  }
-  if (input.instanceId !== undefined) {
-    bodyParams["instanceId"] = input.instanceId;
-  }
-  return bodyParams;
+  return {
+    ...(input.deploymentId !== undefined && {
+      deploymentId: input.deploymentId
+    }),
+    ...(input.instanceId !== undefined && { instanceId: input.instanceId })
+  };
 };
 
 const serializeAws_json1_1GetDeploymentTargetInput = (
   input: GetDeploymentTargetInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.deploymentId !== undefined) {
-    bodyParams["deploymentId"] = input.deploymentId;
-  }
-  if (input.targetId !== undefined) {
-    bodyParams["targetId"] = input.targetId;
-  }
-  return bodyParams;
+  return {
+    ...(input.deploymentId !== undefined && {
+      deploymentId: input.deploymentId
+    }),
+    ...(input.targetId !== undefined && { targetId: input.targetId })
+  };
 };
 
 const serializeAws_json1_1GetOnPremisesInstanceInput = (
   input: GetOnPremisesInstanceInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.instanceName !== undefined) {
-    bodyParams["instanceName"] = input.instanceName;
-  }
-  return bodyParams;
+  return {
+    ...(input.instanceName !== undefined && {
+      instanceName: input.instanceName
+    })
+  };
 };
 
 const serializeAws_json1_1GitHubLocation = (
   input: GitHubLocation,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.commitId !== undefined) {
-    bodyParams["commitId"] = input.commitId;
-  }
-  if (input.repository !== undefined) {
-    bodyParams["repository"] = input.repository;
-  }
-  return bodyParams;
+  return {
+    ...(input.commitId !== undefined && { commitId: input.commitId }),
+    ...(input.repository !== undefined && { repository: input.repository })
+  };
 };
 
 const serializeAws_json1_1GreenFleetProvisioningOption = (
   input: GreenFleetProvisioningOption,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.action !== undefined) {
-    bodyParams["action"] = input.action;
-  }
-  return bodyParams;
+  return {
+    ...(input.action !== undefined && { action: input.action })
+  };
 };
 
 const serializeAws_json1_1InstanceNameList = (
@@ -9821,187 +9742,150 @@ const serializeAws_json1_1ListApplicationRevisionsInput = (
   input: ListApplicationRevisionsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.applicationName !== undefined) {
-    bodyParams["applicationName"] = input.applicationName;
-  }
-  if (input.deployed !== undefined) {
-    bodyParams["deployed"] = input.deployed;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  if (input.s3Bucket !== undefined) {
-    bodyParams["s3Bucket"] = input.s3Bucket;
-  }
-  if (input.s3KeyPrefix !== undefined) {
-    bodyParams["s3KeyPrefix"] = input.s3KeyPrefix;
-  }
-  if (input.sortBy !== undefined) {
-    bodyParams["sortBy"] = input.sortBy;
-  }
-  if (input.sortOrder !== undefined) {
-    bodyParams["sortOrder"] = input.sortOrder;
-  }
-  return bodyParams;
+  return {
+    ...(input.applicationName !== undefined && {
+      applicationName: input.applicationName
+    }),
+    ...(input.deployed !== undefined && { deployed: input.deployed }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken }),
+    ...(input.s3Bucket !== undefined && { s3Bucket: input.s3Bucket }),
+    ...(input.s3KeyPrefix !== undefined && { s3KeyPrefix: input.s3KeyPrefix }),
+    ...(input.sortBy !== undefined && { sortBy: input.sortBy }),
+    ...(input.sortOrder !== undefined && { sortOrder: input.sortOrder })
+  };
 };
 
 const serializeAws_json1_1ListApplicationsInput = (
   input: ListApplicationsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken })
+  };
 };
 
 const serializeAws_json1_1ListDeploymentConfigsInput = (
   input: ListDeploymentConfigsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken })
+  };
 };
 
 const serializeAws_json1_1ListDeploymentGroupsInput = (
   input: ListDeploymentGroupsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.applicationName !== undefined) {
-    bodyParams["applicationName"] = input.applicationName;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.applicationName !== undefined && {
+      applicationName: input.applicationName
+    }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken })
+  };
 };
 
 const serializeAws_json1_1ListDeploymentInstancesInput = (
   input: ListDeploymentInstancesInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.deploymentId !== undefined) {
-    bodyParams["deploymentId"] = input.deploymentId;
-  }
-  if (input.instanceStatusFilter !== undefined) {
-    bodyParams["instanceStatusFilter"] = serializeAws_json1_1InstanceStatusList(
-      input.instanceStatusFilter,
-      context
-    );
-  }
-  if (input.instanceTypeFilter !== undefined) {
-    bodyParams["instanceTypeFilter"] = serializeAws_json1_1InstanceTypeList(
-      input.instanceTypeFilter,
-      context
-    );
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.deploymentId !== undefined && {
+      deploymentId: input.deploymentId
+    }),
+    ...(input.instanceStatusFilter !== undefined && {
+      instanceStatusFilter: serializeAws_json1_1InstanceStatusList(
+        input.instanceStatusFilter,
+        context
+      )
+    }),
+    ...(input.instanceTypeFilter !== undefined && {
+      instanceTypeFilter: serializeAws_json1_1InstanceTypeList(
+        input.instanceTypeFilter,
+        context
+      )
+    }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken })
+  };
 };
 
 const serializeAws_json1_1ListDeploymentTargetsInput = (
   input: ListDeploymentTargetsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.deploymentId !== undefined) {
-    bodyParams["deploymentId"] = input.deploymentId;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  if (input.targetFilters !== undefined) {
-    bodyParams["targetFilters"] = serializeAws_json1_1TargetFilters(
-      input.targetFilters,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.deploymentId !== undefined && {
+      deploymentId: input.deploymentId
+    }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken }),
+    ...(input.targetFilters !== undefined && {
+      targetFilters: serializeAws_json1_1TargetFilters(
+        input.targetFilters,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1ListDeploymentsInput = (
   input: ListDeploymentsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.applicationName !== undefined) {
-    bodyParams["applicationName"] = input.applicationName;
-  }
-  if (input.createTimeRange !== undefined) {
-    bodyParams["createTimeRange"] = serializeAws_json1_1TimeRange(
-      input.createTimeRange,
-      context
-    );
-  }
-  if (input.deploymentGroupName !== undefined) {
-    bodyParams["deploymentGroupName"] = input.deploymentGroupName;
-  }
-  if (input.includeOnlyStatuses !== undefined) {
-    bodyParams[
-      "includeOnlyStatuses"
-    ] = serializeAws_json1_1DeploymentStatusList(
-      input.includeOnlyStatuses,
-      context
-    );
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.applicationName !== undefined && {
+      applicationName: input.applicationName
+    }),
+    ...(input.createTimeRange !== undefined && {
+      createTimeRange: serializeAws_json1_1TimeRange(
+        input.createTimeRange,
+        context
+      )
+    }),
+    ...(input.deploymentGroupName !== undefined && {
+      deploymentGroupName: input.deploymentGroupName
+    }),
+    ...(input.includeOnlyStatuses !== undefined && {
+      includeOnlyStatuses: serializeAws_json1_1DeploymentStatusList(
+        input.includeOnlyStatuses,
+        context
+      )
+    }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken })
+  };
 };
 
 const serializeAws_json1_1ListGitHubAccountTokenNamesInput = (
   input: ListGitHubAccountTokenNamesInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken })
+  };
 };
 
 const serializeAws_json1_1ListOnPremisesInstancesInput = (
   input: ListOnPremisesInstancesInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  if (input.registrationStatus !== undefined) {
-    bodyParams["registrationStatus"] = input.registrationStatus;
-  }
-  if (input.tagFilters !== undefined) {
-    bodyParams["tagFilters"] = serializeAws_json1_1TagFilterList(
-      input.tagFilters,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken }),
+    ...(input.registrationStatus !== undefined && {
+      registrationStatus: input.registrationStatus
+    }),
+    ...(input.tagFilters !== undefined && {
+      tagFilters: serializeAws_json1_1TagFilterList(input.tagFilters, context)
+    })
+  };
 };
 
 const serializeAws_json1_1ListTagsForResourceInput = (
   input: ListTagsForResourceInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.ResourceArn !== undefined) {
-    bodyParams["ResourceArn"] = input.ResourceArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.ResourceArn !== undefined && { ResourceArn: input.ResourceArn })
+  };
 };
 
 const serializeAws_json1_1ListenerArnList = (
@@ -10015,58 +9899,47 @@ const serializeAws_json1_1LoadBalancerInfo = (
   input: LoadBalancerInfo,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.elbInfoList !== undefined) {
-    bodyParams["elbInfoList"] = serializeAws_json1_1ELBInfoList(
-      input.elbInfoList,
-      context
-    );
-  }
-  if (input.targetGroupInfoList !== undefined) {
-    bodyParams["targetGroupInfoList"] = serializeAws_json1_1TargetGroupInfoList(
-      input.targetGroupInfoList,
-      context
-    );
-  }
-  if (input.targetGroupPairInfoList !== undefined) {
-    bodyParams[
-      "targetGroupPairInfoList"
-    ] = serializeAws_json1_1TargetGroupPairInfoList(
-      input.targetGroupPairInfoList,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.elbInfoList !== undefined && {
+      elbInfoList: serializeAws_json1_1ELBInfoList(input.elbInfoList, context)
+    }),
+    ...(input.targetGroupInfoList !== undefined && {
+      targetGroupInfoList: serializeAws_json1_1TargetGroupInfoList(
+        input.targetGroupInfoList,
+        context
+      )
+    }),
+    ...(input.targetGroupPairInfoList !== undefined && {
+      targetGroupPairInfoList: serializeAws_json1_1TargetGroupPairInfoList(
+        input.targetGroupPairInfoList,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1MinimumHealthyHosts = (
   input: MinimumHealthyHosts,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.type !== undefined) {
-    bodyParams["type"] = input.type;
-  }
-  if (input.value !== undefined) {
-    bodyParams["value"] = input.value;
-  }
-  return bodyParams;
+  return {
+    ...(input.type !== undefined && { type: input.type }),
+    ...(input.value !== undefined && { value: input.value })
+  };
 };
 
 const serializeAws_json1_1OnPremisesTagSet = (
   input: OnPremisesTagSet,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.onPremisesTagSetList !== undefined) {
-    bodyParams[
-      "onPremisesTagSetList"
-    ] = serializeAws_json1_1OnPremisesTagSetList(
-      input.onPremisesTagSetList,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.onPremisesTagSetList !== undefined && {
+      onPremisesTagSetList: serializeAws_json1_1OnPremisesTagSetList(
+        input.onPremisesTagSetList,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1OnPremisesTagSetList = (
@@ -10080,118 +9953,101 @@ const serializeAws_json1_1PutLifecycleEventHookExecutionStatusInput = (
   input: PutLifecycleEventHookExecutionStatusInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.deploymentId !== undefined) {
-    bodyParams["deploymentId"] = input.deploymentId;
-  }
-  if (input.lifecycleEventHookExecutionId !== undefined) {
-    bodyParams["lifecycleEventHookExecutionId"] =
-      input.lifecycleEventHookExecutionId;
-  }
-  if (input.status !== undefined) {
-    bodyParams["status"] = input.status;
-  }
-  return bodyParams;
+  return {
+    ...(input.deploymentId !== undefined && {
+      deploymentId: input.deploymentId
+    }),
+    ...(input.lifecycleEventHookExecutionId !== undefined && {
+      lifecycleEventHookExecutionId: input.lifecycleEventHookExecutionId
+    }),
+    ...(input.status !== undefined && { status: input.status })
+  };
 };
 
 const serializeAws_json1_1RawString = (
   input: RawString,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.content !== undefined) {
-    bodyParams["content"] = input.content;
-  }
-  if (input.sha256 !== undefined) {
-    bodyParams["sha256"] = input.sha256;
-  }
-  return bodyParams;
+  return {
+    ...(input.content !== undefined && { content: input.content }),
+    ...(input.sha256 !== undefined && { sha256: input.sha256 })
+  };
 };
 
 const serializeAws_json1_1RegisterApplicationRevisionInput = (
   input: RegisterApplicationRevisionInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.applicationName !== undefined) {
-    bodyParams["applicationName"] = input.applicationName;
-  }
-  if (input.description !== undefined) {
-    bodyParams["description"] = input.description;
-  }
-  if (input.revision !== undefined) {
-    bodyParams["revision"] = serializeAws_json1_1RevisionLocation(
-      input.revision,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.applicationName !== undefined && {
+      applicationName: input.applicationName
+    }),
+    ...(input.description !== undefined && { description: input.description }),
+    ...(input.revision !== undefined && {
+      revision: serializeAws_json1_1RevisionLocation(input.revision, context)
+    })
+  };
 };
 
 const serializeAws_json1_1RegisterOnPremisesInstanceInput = (
   input: RegisterOnPremisesInstanceInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.iamSessionArn !== undefined) {
-    bodyParams["iamSessionArn"] = input.iamSessionArn;
-  }
-  if (input.iamUserArn !== undefined) {
-    bodyParams["iamUserArn"] = input.iamUserArn;
-  }
-  if (input.instanceName !== undefined) {
-    bodyParams["instanceName"] = input.instanceName;
-  }
-  return bodyParams;
+  return {
+    ...(input.iamSessionArn !== undefined && {
+      iamSessionArn: input.iamSessionArn
+    }),
+    ...(input.iamUserArn !== undefined && { iamUserArn: input.iamUserArn }),
+    ...(input.instanceName !== undefined && {
+      instanceName: input.instanceName
+    })
+  };
 };
 
 const serializeAws_json1_1RemoveTagsFromOnPremisesInstancesInput = (
   input: RemoveTagsFromOnPremisesInstancesInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.instanceNames !== undefined) {
-    bodyParams["instanceNames"] = serializeAws_json1_1InstanceNameList(
-      input.instanceNames,
-      context
-    );
-  }
-  if (input.tags !== undefined) {
-    bodyParams["tags"] = serializeAws_json1_1TagList(input.tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.instanceNames !== undefined && {
+      instanceNames: serializeAws_json1_1InstanceNameList(
+        input.instanceNames,
+        context
+      )
+    }),
+    ...(input.tags !== undefined && {
+      tags: serializeAws_json1_1TagList(input.tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1RevisionLocation = (
   input: RevisionLocation,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.appSpecContent !== undefined) {
-    bodyParams["appSpecContent"] = serializeAws_json1_1AppSpecContent(
-      input.appSpecContent,
-      context
-    );
-  }
-  if (input.gitHubLocation !== undefined) {
-    bodyParams["gitHubLocation"] = serializeAws_json1_1GitHubLocation(
-      input.gitHubLocation,
-      context
-    );
-  }
-  if (input.revisionType !== undefined) {
-    bodyParams["revisionType"] = input.revisionType;
-  }
-  if (input.s3Location !== undefined) {
-    bodyParams["s3Location"] = serializeAws_json1_1S3Location(
-      input.s3Location,
-      context
-    );
-  }
-  if (input.string !== undefined) {
-    bodyParams["string"] = serializeAws_json1_1RawString(input.string, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.appSpecContent !== undefined && {
+      appSpecContent: serializeAws_json1_1AppSpecContent(
+        input.appSpecContent,
+        context
+      )
+    }),
+    ...(input.gitHubLocation !== undefined && {
+      gitHubLocation: serializeAws_json1_1GitHubLocation(
+        input.gitHubLocation,
+        context
+      )
+    }),
+    ...(input.revisionType !== undefined && {
+      revisionType: input.revisionType
+    }),
+    ...(input.s3Location !== undefined && {
+      s3Location: serializeAws_json1_1S3Location(input.s3Location, context)
+    }),
+    ...(input.string !== undefined && {
+      string: serializeAws_json1_1RawString(input.string, context)
+    })
+  };
 };
 
 const serializeAws_json1_1RevisionLocationList = (
@@ -10207,76 +10063,56 @@ const serializeAws_json1_1S3Location = (
   input: S3Location,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.bucket !== undefined) {
-    bodyParams["bucket"] = input.bucket;
-  }
-  if (input.bundleType !== undefined) {
-    bodyParams["bundleType"] = input.bundleType;
-  }
-  if (input.eTag !== undefined) {
-    bodyParams["eTag"] = input.eTag;
-  }
-  if (input.key !== undefined) {
-    bodyParams["key"] = input.key;
-  }
-  if (input.version !== undefined) {
-    bodyParams["version"] = input.version;
-  }
-  return bodyParams;
+  return {
+    ...(input.bucket !== undefined && { bucket: input.bucket }),
+    ...(input.bundleType !== undefined && { bundleType: input.bundleType }),
+    ...(input.eTag !== undefined && { eTag: input.eTag }),
+    ...(input.key !== undefined && { key: input.key }),
+    ...(input.version !== undefined && { version: input.version })
+  };
 };
 
 const serializeAws_json1_1SkipWaitTimeForInstanceTerminationInput = (
   input: SkipWaitTimeForInstanceTerminationInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.deploymentId !== undefined) {
-    bodyParams["deploymentId"] = input.deploymentId;
-  }
-  return bodyParams;
+  return {
+    ...(input.deploymentId !== undefined && {
+      deploymentId: input.deploymentId
+    })
+  };
 };
 
 const serializeAws_json1_1StopDeploymentInput = (
   input: StopDeploymentInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.autoRollbackEnabled !== undefined) {
-    bodyParams["autoRollbackEnabled"] = input.autoRollbackEnabled;
-  }
-  if (input.deploymentId !== undefined) {
-    bodyParams["deploymentId"] = input.deploymentId;
-  }
-  return bodyParams;
+  return {
+    ...(input.autoRollbackEnabled !== undefined && {
+      autoRollbackEnabled: input.autoRollbackEnabled
+    }),
+    ...(input.deploymentId !== undefined && {
+      deploymentId: input.deploymentId
+    })
+  };
 };
 
 const serializeAws_json1_1Tag = (input: Tag, context: __SerdeContext): any => {
-  const bodyParams: any = {};
-  if (input.Key !== undefined) {
-    bodyParams["Key"] = input.Key;
-  }
-  if (input.Value !== undefined) {
-    bodyParams["Value"] = input.Value;
-  }
-  return bodyParams;
+  return {
+    ...(input.Key !== undefined && { Key: input.Key }),
+    ...(input.Value !== undefined && { Value: input.Value })
+  };
 };
 
 const serializeAws_json1_1TagFilter = (
   input: TagFilter,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Key !== undefined) {
-    bodyParams["Key"] = input.Key;
-  }
-  if (input.Type !== undefined) {
-    bodyParams["Type"] = input.Type;
-  }
-  if (input.Value !== undefined) {
-    bodyParams["Value"] = input.Value;
-  }
-  return bodyParams;
+  return {
+    ...(input.Key !== undefined && { Key: input.Key }),
+    ...(input.Type !== undefined && { Type: input.Type }),
+    ...(input.Value !== undefined && { Value: input.Value })
+  };
 };
 
 const serializeAws_json1_1TagFilterList = (
@@ -10304,14 +10140,12 @@ const serializeAws_json1_1TagResourceInput = (
   input: TagResourceInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceArn !== undefined) {
-    bodyParams["ResourceArn"] = input.ResourceArn;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagList(input.Tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceArn !== undefined && { ResourceArn: input.ResourceArn }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagList(input.Tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1TargetFilters = (
@@ -10328,11 +10162,9 @@ const serializeAws_json1_1TargetGroupInfo = (
   input: TargetGroupInfo,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  return bodyParams;
+  return {
+    ...(input.name !== undefined && { name: input.name })
+  };
 };
 
 const serializeAws_json1_1TargetGroupInfoList = (
@@ -10348,26 +10180,26 @@ const serializeAws_json1_1TargetGroupPairInfo = (
   input: TargetGroupPairInfo,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.prodTrafficRoute !== undefined) {
-    bodyParams["prodTrafficRoute"] = serializeAws_json1_1TrafficRoute(
-      input.prodTrafficRoute,
-      context
-    );
-  }
-  if (input.targetGroups !== undefined) {
-    bodyParams["targetGroups"] = serializeAws_json1_1TargetGroupInfoList(
-      input.targetGroups,
-      context
-    );
-  }
-  if (input.testTrafficRoute !== undefined) {
-    bodyParams["testTrafficRoute"] = serializeAws_json1_1TrafficRoute(
-      input.testTrafficRoute,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.prodTrafficRoute !== undefined && {
+      prodTrafficRoute: serializeAws_json1_1TrafficRoute(
+        input.prodTrafficRoute,
+        context
+      )
+    }),
+    ...(input.targetGroups !== undefined && {
+      targetGroups: serializeAws_json1_1TargetGroupInfoList(
+        input.targetGroups,
+        context
+      )
+    }),
+    ...(input.testTrafficRoute !== undefined && {
+      testTrafficRoute: serializeAws_json1_1TrafficRoute(
+        input.testTrafficRoute,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1TargetGroupPairInfoList = (
@@ -10390,127 +10222,118 @@ const serializeAws_json1_1TargetInstances = (
   input: TargetInstances,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.autoScalingGroups !== undefined) {
-    bodyParams[
-      "autoScalingGroups"
-    ] = serializeAws_json1_1AutoScalingGroupNameList(
-      input.autoScalingGroups,
-      context
-    );
-  }
-  if (input.ec2TagSet !== undefined) {
-    bodyParams["ec2TagSet"] = serializeAws_json1_1EC2TagSet(
-      input.ec2TagSet,
-      context
-    );
-  }
-  if (input.tagFilters !== undefined) {
-    bodyParams["tagFilters"] = serializeAws_json1_1EC2TagFilterList(
-      input.tagFilters,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.autoScalingGroups !== undefined && {
+      autoScalingGroups: serializeAws_json1_1AutoScalingGroupNameList(
+        input.autoScalingGroups,
+        context
+      )
+    }),
+    ...(input.ec2TagSet !== undefined && {
+      ec2TagSet: serializeAws_json1_1EC2TagSet(input.ec2TagSet, context)
+    }),
+    ...(input.tagFilters !== undefined && {
+      tagFilters: serializeAws_json1_1EC2TagFilterList(
+        input.tagFilters,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1TimeBasedCanary = (
   input: TimeBasedCanary,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.canaryInterval !== undefined) {
-    bodyParams["canaryInterval"] = input.canaryInterval;
-  }
-  if (input.canaryPercentage !== undefined) {
-    bodyParams["canaryPercentage"] = input.canaryPercentage;
-  }
-  return bodyParams;
+  return {
+    ...(input.canaryInterval !== undefined && {
+      canaryInterval: input.canaryInterval
+    }),
+    ...(input.canaryPercentage !== undefined && {
+      canaryPercentage: input.canaryPercentage
+    })
+  };
 };
 
 const serializeAws_json1_1TimeBasedLinear = (
   input: TimeBasedLinear,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.linearInterval !== undefined) {
-    bodyParams["linearInterval"] = input.linearInterval;
-  }
-  if (input.linearPercentage !== undefined) {
-    bodyParams["linearPercentage"] = input.linearPercentage;
-  }
-  return bodyParams;
+  return {
+    ...(input.linearInterval !== undefined && {
+      linearInterval: input.linearInterval
+    }),
+    ...(input.linearPercentage !== undefined && {
+      linearPercentage: input.linearPercentage
+    })
+  };
 };
 
 const serializeAws_json1_1TimeRange = (
   input: TimeRange,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.end !== undefined) {
-    bodyParams["end"] = Math.round(input.end.getTime() / 1000);
-  }
-  if (input.start !== undefined) {
-    bodyParams["start"] = Math.round(input.start.getTime() / 1000);
-  }
-  return bodyParams;
+  return {
+    ...(input.end !== undefined && {
+      end: Math.round(input.end.getTime() / 1000)
+    }),
+    ...(input.start !== undefined && {
+      start: Math.round(input.start.getTime() / 1000)
+    })
+  };
 };
 
 const serializeAws_json1_1TrafficRoute = (
   input: TrafficRoute,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.listenerArns !== undefined) {
-    bodyParams["listenerArns"] = serializeAws_json1_1ListenerArnList(
-      input.listenerArns,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.listenerArns !== undefined && {
+      listenerArns: serializeAws_json1_1ListenerArnList(
+        input.listenerArns,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1TrafficRoutingConfig = (
   input: TrafficRoutingConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.timeBasedCanary !== undefined) {
-    bodyParams["timeBasedCanary"] = serializeAws_json1_1TimeBasedCanary(
-      input.timeBasedCanary,
-      context
-    );
-  }
-  if (input.timeBasedLinear !== undefined) {
-    bodyParams["timeBasedLinear"] = serializeAws_json1_1TimeBasedLinear(
-      input.timeBasedLinear,
-      context
-    );
-  }
-  if (input.type !== undefined) {
-    bodyParams["type"] = input.type;
-  }
-  return bodyParams;
+  return {
+    ...(input.timeBasedCanary !== undefined && {
+      timeBasedCanary: serializeAws_json1_1TimeBasedCanary(
+        input.timeBasedCanary,
+        context
+      )
+    }),
+    ...(input.timeBasedLinear !== undefined && {
+      timeBasedLinear: serializeAws_json1_1TimeBasedLinear(
+        input.timeBasedLinear,
+        context
+      )
+    }),
+    ...(input.type !== undefined && { type: input.type })
+  };
 };
 
 const serializeAws_json1_1TriggerConfig = (
   input: TriggerConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.triggerEvents !== undefined) {
-    bodyParams["triggerEvents"] = serializeAws_json1_1TriggerEventTypeList(
-      input.triggerEvents,
-      context
-    );
-  }
-  if (input.triggerName !== undefined) {
-    bodyParams["triggerName"] = input.triggerName;
-  }
-  if (input.triggerTargetArn !== undefined) {
-    bodyParams["triggerTargetArn"] = input.triggerTargetArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.triggerEvents !== undefined && {
+      triggerEvents: serializeAws_json1_1TriggerEventTypeList(
+        input.triggerEvents,
+        context
+      )
+    }),
+    ...(input.triggerName !== undefined && { triggerName: input.triggerName }),
+    ...(input.triggerTargetArn !== undefined && {
+      triggerTargetArn: input.triggerTargetArn
+    })
+  };
 };
 
 const serializeAws_json1_1TriggerConfigList = (
@@ -10531,134 +10354,118 @@ const serializeAws_json1_1UntagResourceInput = (
   input: UntagResourceInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceArn !== undefined) {
-    bodyParams["ResourceArn"] = input.ResourceArn;
-  }
-  if (input.TagKeys !== undefined) {
-    bodyParams["TagKeys"] = serializeAws_json1_1TagKeyList(
-      input.TagKeys,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceArn !== undefined && { ResourceArn: input.ResourceArn }),
+    ...(input.TagKeys !== undefined && {
+      TagKeys: serializeAws_json1_1TagKeyList(input.TagKeys, context)
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateApplicationInput = (
   input: UpdateApplicationInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.applicationName !== undefined) {
-    bodyParams["applicationName"] = input.applicationName;
-  }
-  if (input.newApplicationName !== undefined) {
-    bodyParams["newApplicationName"] = input.newApplicationName;
-  }
-  return bodyParams;
+  return {
+    ...(input.applicationName !== undefined && {
+      applicationName: input.applicationName
+    }),
+    ...(input.newApplicationName !== undefined && {
+      newApplicationName: input.newApplicationName
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateDeploymentGroupInput = (
   input: UpdateDeploymentGroupInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.alarmConfiguration !== undefined) {
-    bodyParams["alarmConfiguration"] = serializeAws_json1_1AlarmConfiguration(
-      input.alarmConfiguration,
-      context
-    );
-  }
-  if (input.applicationName !== undefined) {
-    bodyParams["applicationName"] = input.applicationName;
-  }
-  if (input.autoRollbackConfiguration !== undefined) {
-    bodyParams[
-      "autoRollbackConfiguration"
-    ] = serializeAws_json1_1AutoRollbackConfiguration(
-      input.autoRollbackConfiguration,
-      context
-    );
-  }
-  if (input.autoScalingGroups !== undefined) {
-    bodyParams[
-      "autoScalingGroups"
-    ] = serializeAws_json1_1AutoScalingGroupNameList(
-      input.autoScalingGroups,
-      context
-    );
-  }
-  if (input.blueGreenDeploymentConfiguration !== undefined) {
-    bodyParams[
-      "blueGreenDeploymentConfiguration"
-    ] = serializeAws_json1_1BlueGreenDeploymentConfiguration(
-      input.blueGreenDeploymentConfiguration,
-      context
-    );
-  }
-  if (input.currentDeploymentGroupName !== undefined) {
-    bodyParams["currentDeploymentGroupName"] = input.currentDeploymentGroupName;
-  }
-  if (input.deploymentConfigName !== undefined) {
-    bodyParams["deploymentConfigName"] = input.deploymentConfigName;
-  }
-  if (input.deploymentStyle !== undefined) {
-    bodyParams["deploymentStyle"] = serializeAws_json1_1DeploymentStyle(
-      input.deploymentStyle,
-      context
-    );
-  }
-  if (input.ec2TagFilters !== undefined) {
-    bodyParams["ec2TagFilters"] = serializeAws_json1_1EC2TagFilterList(
-      input.ec2TagFilters,
-      context
-    );
-  }
-  if (input.ec2TagSet !== undefined) {
-    bodyParams["ec2TagSet"] = serializeAws_json1_1EC2TagSet(
-      input.ec2TagSet,
-      context
-    );
-  }
-  if (input.ecsServices !== undefined) {
-    bodyParams["ecsServices"] = serializeAws_json1_1ECSServiceList(
-      input.ecsServices,
-      context
-    );
-  }
-  if (input.loadBalancerInfo !== undefined) {
-    bodyParams["loadBalancerInfo"] = serializeAws_json1_1LoadBalancerInfo(
-      input.loadBalancerInfo,
-      context
-    );
-  }
-  if (input.newDeploymentGroupName !== undefined) {
-    bodyParams["newDeploymentGroupName"] = input.newDeploymentGroupName;
-  }
-  if (input.onPremisesInstanceTagFilters !== undefined) {
-    bodyParams[
-      "onPremisesInstanceTagFilters"
-    ] = serializeAws_json1_1TagFilterList(
-      input.onPremisesInstanceTagFilters,
-      context
-    );
-  }
-  if (input.onPremisesTagSet !== undefined) {
-    bodyParams["onPremisesTagSet"] = serializeAws_json1_1OnPremisesTagSet(
-      input.onPremisesTagSet,
-      context
-    );
-  }
-  if (input.serviceRoleArn !== undefined) {
-    bodyParams["serviceRoleArn"] = input.serviceRoleArn;
-  }
-  if (input.triggerConfigurations !== undefined) {
-    bodyParams["triggerConfigurations"] = serializeAws_json1_1TriggerConfigList(
-      input.triggerConfigurations,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.alarmConfiguration !== undefined && {
+      alarmConfiguration: serializeAws_json1_1AlarmConfiguration(
+        input.alarmConfiguration,
+        context
+      )
+    }),
+    ...(input.applicationName !== undefined && {
+      applicationName: input.applicationName
+    }),
+    ...(input.autoRollbackConfiguration !== undefined && {
+      autoRollbackConfiguration: serializeAws_json1_1AutoRollbackConfiguration(
+        input.autoRollbackConfiguration,
+        context
+      )
+    }),
+    ...(input.autoScalingGroups !== undefined && {
+      autoScalingGroups: serializeAws_json1_1AutoScalingGroupNameList(
+        input.autoScalingGroups,
+        context
+      )
+    }),
+    ...(input.blueGreenDeploymentConfiguration !== undefined && {
+      blueGreenDeploymentConfiguration: serializeAws_json1_1BlueGreenDeploymentConfiguration(
+        input.blueGreenDeploymentConfiguration,
+        context
+      )
+    }),
+    ...(input.currentDeploymentGroupName !== undefined && {
+      currentDeploymentGroupName: input.currentDeploymentGroupName
+    }),
+    ...(input.deploymentConfigName !== undefined && {
+      deploymentConfigName: input.deploymentConfigName
+    }),
+    ...(input.deploymentStyle !== undefined && {
+      deploymentStyle: serializeAws_json1_1DeploymentStyle(
+        input.deploymentStyle,
+        context
+      )
+    }),
+    ...(input.ec2TagFilters !== undefined && {
+      ec2TagFilters: serializeAws_json1_1EC2TagFilterList(
+        input.ec2TagFilters,
+        context
+      )
+    }),
+    ...(input.ec2TagSet !== undefined && {
+      ec2TagSet: serializeAws_json1_1EC2TagSet(input.ec2TagSet, context)
+    }),
+    ...(input.ecsServices !== undefined && {
+      ecsServices: serializeAws_json1_1ECSServiceList(
+        input.ecsServices,
+        context
+      )
+    }),
+    ...(input.loadBalancerInfo !== undefined && {
+      loadBalancerInfo: serializeAws_json1_1LoadBalancerInfo(
+        input.loadBalancerInfo,
+        context
+      )
+    }),
+    ...(input.newDeploymentGroupName !== undefined && {
+      newDeploymentGroupName: input.newDeploymentGroupName
+    }),
+    ...(input.onPremisesInstanceTagFilters !== undefined && {
+      onPremisesInstanceTagFilters: serializeAws_json1_1TagFilterList(
+        input.onPremisesInstanceTagFilters,
+        context
+      )
+    }),
+    ...(input.onPremisesTagSet !== undefined && {
+      onPremisesTagSet: serializeAws_json1_1OnPremisesTagSet(
+        input.onPremisesTagSet,
+        context
+      )
+    }),
+    ...(input.serviceRoleArn !== undefined && {
+      serviceRoleArn: input.serviceRoleArn
+    }),
+    ...(input.triggerConfigurations !== undefined && {
+      triggerConfigurations: serializeAws_json1_1TriggerConfigList(
+        input.triggerConfigurations,
+        context
+      )
+    })
+  };
 };
 
 const deserializeAws_json1_1Alarm = (
diff --git a/clients/client-codeguru-reviewer/protocols/Aws_restJson1_1.ts b/clients/client-codeguru-reviewer/protocols/Aws_restJson1_1.ts
index b7347ed1af5f..9dc6e893f912 100644
--- a/clients/client-codeguru-reviewer/protocols/Aws_restJson1_1.ts
+++ b/clients/client-codeguru-reviewer/protocols/Aws_restJson1_1.ts
@@ -734,25 +734,23 @@ const serializeAws_restJson1_1CodeCommitRepository = (
   input: CodeCommitRepository,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_restJson1_1Repository = (
   input: Repository,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CodeCommit !== undefined) {
-    bodyParams["CodeCommit"] = serializeAws_restJson1_1CodeCommitRepository(
-      input.CodeCommit,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.CodeCommit !== undefined && {
+      CodeCommit: serializeAws_restJson1_1CodeCommitRepository(
+        input.CodeCommit,
+        context
+      )
+    })
+  };
 };
 
 const deserializeAws_restJson1_1RepositoryAssociation = (
diff --git a/clients/client-codeguruprofiler/protocols/Aws_restJson1_1.ts b/clients/client-codeguruprofiler/protocols/Aws_restJson1_1.ts
index 76956c58abe1..7a120a028822 100644
--- a/clients/client-codeguruprofiler/protocols/Aws_restJson1_1.ts
+++ b/clients/client-codeguruprofiler/protocols/Aws_restJson1_1.ts
@@ -1432,11 +1432,11 @@ const serializeAws_restJson1_1AgentOrchestrationConfig = (
   input: AgentOrchestrationConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.profilingEnabled !== undefined) {
-    bodyParams["profilingEnabled"] = input.profilingEnabled;
-  }
-  return bodyParams;
+  return {
+    ...(input.profilingEnabled !== undefined && {
+      profilingEnabled: input.profilingEnabled
+    })
+  };
 };
 
 const deserializeAws_restJson1_1AggregatedProfileTime = (
diff --git a/clients/client-codepipeline/protocols/Aws_json1_1.ts b/clients/client-codepipeline/protocols/Aws_json1_1.ts
index cfce78b4c798..990bb5c151dc 100644
--- a/clients/client-codepipeline/protocols/Aws_json1_1.ts
+++ b/clients/client-codepipeline/protocols/Aws_json1_1.ts
@@ -4797,60 +4797,36 @@ const serializeAws_json1_1AcknowledgeJobInput = (
   input: AcknowledgeJobInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.jobId !== undefined) {
-    bodyParams["jobId"] = input.jobId;
-  }
-  if (input.nonce !== undefined) {
-    bodyParams["nonce"] = input.nonce;
-  }
-  return bodyParams;
+  return {
+    ...(input.jobId !== undefined && { jobId: input.jobId }),
+    ...(input.nonce !== undefined && { nonce: input.nonce })
+  };
 };
 
 const serializeAws_json1_1AcknowledgeThirdPartyJobInput = (
   input: AcknowledgeThirdPartyJobInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.clientToken !== undefined) {
-    bodyParams["clientToken"] = input.clientToken;
-  }
-  if (input.jobId !== undefined) {
-    bodyParams["jobId"] = input.jobId;
-  }
-  if (input.nonce !== undefined) {
-    bodyParams["nonce"] = input.nonce;
-  }
-  return bodyParams;
+  return {
+    ...(input.clientToken !== undefined && { clientToken: input.clientToken }),
+    ...(input.jobId !== undefined && { jobId: input.jobId }),
+    ...(input.nonce !== undefined && { nonce: input.nonce })
+  };
 };
 
 const serializeAws_json1_1ActionConfigurationProperty = (
   input: ActionConfigurationProperty,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.description !== undefined) {
-    bodyParams["description"] = input.description;
-  }
-  if (input.key !== undefined) {
-    bodyParams["key"] = input.key;
-  }
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  if (input.queryable !== undefined) {
-    bodyParams["queryable"] = input.queryable;
-  }
-  if (input.required !== undefined) {
-    bodyParams["required"] = input.required;
-  }
-  if (input.secret !== undefined) {
-    bodyParams["secret"] = input.secret;
-  }
-  if (input.type !== undefined) {
-    bodyParams["type"] = input.type;
-  }
-  return bodyParams;
+  return {
+    ...(input.description !== undefined && { description: input.description }),
+    ...(input.key !== undefined && { key: input.key }),
+    ...(input.name !== undefined && { name: input.name }),
+    ...(input.queryable !== undefined && { queryable: input.queryable }),
+    ...(input.required !== undefined && { required: input.required }),
+    ...(input.secret !== undefined && { secret: input.secret }),
+    ...(input.type !== undefined && { type: input.type })
+  };
 };
 
 const serializeAws_json1_1ActionConfigurationPropertyList = (
@@ -4866,143 +4842,123 @@ const serializeAws_json1_1ActionDeclaration = (
   input: ActionDeclaration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.actionTypeId !== undefined) {
-    bodyParams["actionTypeId"] = serializeAws_json1_1ActionTypeId(
-      input.actionTypeId,
-      context
-    );
-  }
-  if (input.configuration !== undefined) {
-    bodyParams["configuration"] = serializeAws_json1_1ActionConfigurationMap(
-      input.configuration,
-      context
-    );
-  }
-  if (input.inputArtifacts !== undefined) {
-    bodyParams["inputArtifacts"] = serializeAws_json1_1InputArtifactList(
-      input.inputArtifacts,
-      context
-    );
-  }
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  if (input.namespace !== undefined) {
-    bodyParams["namespace"] = input.namespace;
-  }
-  if (input.outputArtifacts !== undefined) {
-    bodyParams["outputArtifacts"] = serializeAws_json1_1OutputArtifactList(
-      input.outputArtifacts,
-      context
-    );
-  }
-  if (input.region !== undefined) {
-    bodyParams["region"] = input.region;
-  }
-  if (input.roleArn !== undefined) {
-    bodyParams["roleArn"] = input.roleArn;
-  }
-  if (input.runOrder !== undefined) {
-    bodyParams["runOrder"] = input.runOrder;
-  }
-  return bodyParams;
+  return {
+    ...(input.actionTypeId !== undefined && {
+      actionTypeId: serializeAws_json1_1ActionTypeId(
+        input.actionTypeId,
+        context
+      )
+    }),
+    ...(input.configuration !== undefined && {
+      configuration: serializeAws_json1_1ActionConfigurationMap(
+        input.configuration,
+        context
+      )
+    }),
+    ...(input.inputArtifacts !== undefined && {
+      inputArtifacts: serializeAws_json1_1InputArtifactList(
+        input.inputArtifacts,
+        context
+      )
+    }),
+    ...(input.name !== undefined && { name: input.name }),
+    ...(input.namespace !== undefined && { namespace: input.namespace }),
+    ...(input.outputArtifacts !== undefined && {
+      outputArtifacts: serializeAws_json1_1OutputArtifactList(
+        input.outputArtifacts,
+        context
+      )
+    }),
+    ...(input.region !== undefined && { region: input.region }),
+    ...(input.roleArn !== undefined && { roleArn: input.roleArn }),
+    ...(input.runOrder !== undefined && { runOrder: input.runOrder })
+  };
 };
 
 const serializeAws_json1_1ActionExecutionFilter = (
   input: ActionExecutionFilter,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.pipelineExecutionId !== undefined) {
-    bodyParams["pipelineExecutionId"] = input.pipelineExecutionId;
-  }
-  return bodyParams;
+  return {
+    ...(input.pipelineExecutionId !== undefined && {
+      pipelineExecutionId: input.pipelineExecutionId
+    })
+  };
 };
 
 const serializeAws_json1_1ActionRevision = (
   input: ActionRevision,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.created !== undefined) {
-    bodyParams["created"] = Math.round(input.created.getTime() / 1000);
-  }
-  if (input.revisionChangeId !== undefined) {
-    bodyParams["revisionChangeId"] = input.revisionChangeId;
-  }
-  if (input.revisionId !== undefined) {
-    bodyParams["revisionId"] = input.revisionId;
-  }
-  return bodyParams;
+  return {
+    ...(input.created !== undefined && {
+      created: Math.round(input.created.getTime() / 1000)
+    }),
+    ...(input.revisionChangeId !== undefined && {
+      revisionChangeId: input.revisionChangeId
+    }),
+    ...(input.revisionId !== undefined && { revisionId: input.revisionId })
+  };
 };
 
 const serializeAws_json1_1ActionTypeSettings = (
   input: ActionTypeSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.entityUrlTemplate !== undefined) {
-    bodyParams["entityUrlTemplate"] = input.entityUrlTemplate;
-  }
-  if (input.executionUrlTemplate !== undefined) {
-    bodyParams["executionUrlTemplate"] = input.executionUrlTemplate;
-  }
-  if (input.revisionUrlTemplate !== undefined) {
-    bodyParams["revisionUrlTemplate"] = input.revisionUrlTemplate;
-  }
-  if (input.thirdPartyConfigurationUrl !== undefined) {
-    bodyParams["thirdPartyConfigurationUrl"] = input.thirdPartyConfigurationUrl;
-  }
-  return bodyParams;
+  return {
+    ...(input.entityUrlTemplate !== undefined && {
+      entityUrlTemplate: input.entityUrlTemplate
+    }),
+    ...(input.executionUrlTemplate !== undefined && {
+      executionUrlTemplate: input.executionUrlTemplate
+    }),
+    ...(input.revisionUrlTemplate !== undefined && {
+      revisionUrlTemplate: input.revisionUrlTemplate
+    }),
+    ...(input.thirdPartyConfigurationUrl !== undefined && {
+      thirdPartyConfigurationUrl: input.thirdPartyConfigurationUrl
+    })
+  };
 };
 
 const serializeAws_json1_1ApprovalResult = (
   input: ApprovalResult,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.status !== undefined) {
-    bodyParams["status"] = input.status;
-  }
-  if (input.summary !== undefined) {
-    bodyParams["summary"] = input.summary;
-  }
-  return bodyParams;
+  return {
+    ...(input.status !== undefined && { status: input.status }),
+    ...(input.summary !== undefined && { summary: input.summary })
+  };
 };
 
 const serializeAws_json1_1ArtifactDetails = (
   input: ArtifactDetails,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.maximumCount !== undefined) {
-    bodyParams["maximumCount"] = input.maximumCount;
-  }
-  if (input.minimumCount !== undefined) {
-    bodyParams["minimumCount"] = input.minimumCount;
-  }
-  return bodyParams;
+  return {
+    ...(input.maximumCount !== undefined && {
+      maximumCount: input.maximumCount
+    }),
+    ...(input.minimumCount !== undefined && {
+      minimumCount: input.minimumCount
+    })
+  };
 };
 
 const serializeAws_json1_1ArtifactStore = (
   input: ArtifactStore,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.encryptionKey !== undefined) {
-    bodyParams["encryptionKey"] = serializeAws_json1_1EncryptionKey(
-      input.encryptionKey,
-      context
-    );
-  }
-  if (input.location !== undefined) {
-    bodyParams["location"] = input.location;
-  }
-  if (input.type !== undefined) {
-    bodyParams["type"] = input.type;
-  }
-  return bodyParams;
+  return {
+    ...(input.encryptionKey !== undefined && {
+      encryptionKey: serializeAws_json1_1EncryptionKey(
+        input.encryptionKey,
+        context
+      )
+    }),
+    ...(input.location !== undefined && { location: input.location }),
+    ...(input.type !== undefined && { type: input.type })
+  };
 };
 
 const serializeAws_json1_1ArtifactStoreMap = (
@@ -5019,239 +4975,189 @@ const serializeAws_json1_1BlockerDeclaration = (
   input: BlockerDeclaration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  if (input.type !== undefined) {
-    bodyParams["type"] = input.type;
-  }
-  return bodyParams;
+  return {
+    ...(input.name !== undefined && { name: input.name }),
+    ...(input.type !== undefined && { type: input.type })
+  };
 };
 
 const serializeAws_json1_1CreateCustomActionTypeInput = (
   input: CreateCustomActionTypeInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.category !== undefined) {
-    bodyParams["category"] = input.category;
-  }
-  if (input.configurationProperties !== undefined) {
-    bodyParams[
-      "configurationProperties"
-    ] = serializeAws_json1_1ActionConfigurationPropertyList(
-      input.configurationProperties,
-      context
-    );
-  }
-  if (input.inputArtifactDetails !== undefined) {
-    bodyParams["inputArtifactDetails"] = serializeAws_json1_1ArtifactDetails(
-      input.inputArtifactDetails,
-      context
-    );
-  }
-  if (input.outputArtifactDetails !== undefined) {
-    bodyParams["outputArtifactDetails"] = serializeAws_json1_1ArtifactDetails(
-      input.outputArtifactDetails,
-      context
-    );
-  }
-  if (input.provider !== undefined) {
-    bodyParams["provider"] = input.provider;
-  }
-  if (input.settings !== undefined) {
-    bodyParams["settings"] = serializeAws_json1_1ActionTypeSettings(
-      input.settings,
-      context
-    );
-  }
-  if (input.tags !== undefined) {
-    bodyParams["tags"] = serializeAws_json1_1TagList(input.tags, context);
-  }
-  if (input.version !== undefined) {
-    bodyParams["version"] = input.version;
-  }
-  return bodyParams;
+  return {
+    ...(input.category !== undefined && { category: input.category }),
+    ...(input.configurationProperties !== undefined && {
+      configurationProperties: serializeAws_json1_1ActionConfigurationPropertyList(
+        input.configurationProperties,
+        context
+      )
+    }),
+    ...(input.inputArtifactDetails !== undefined && {
+      inputArtifactDetails: serializeAws_json1_1ArtifactDetails(
+        input.inputArtifactDetails,
+        context
+      )
+    }),
+    ...(input.outputArtifactDetails !== undefined && {
+      outputArtifactDetails: serializeAws_json1_1ArtifactDetails(
+        input.outputArtifactDetails,
+        context
+      )
+    }),
+    ...(input.provider !== undefined && { provider: input.provider }),
+    ...(input.settings !== undefined && {
+      settings: serializeAws_json1_1ActionTypeSettings(input.settings, context)
+    }),
+    ...(input.tags !== undefined && {
+      tags: serializeAws_json1_1TagList(input.tags, context)
+    }),
+    ...(input.version !== undefined && { version: input.version })
+  };
 };
 
 const serializeAws_json1_1CreatePipelineInput = (
   input: CreatePipelineInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.pipeline !== undefined) {
-    bodyParams["pipeline"] = serializeAws_json1_1PipelineDeclaration(
-      input.pipeline,
-      context
-    );
-  }
-  if (input.tags !== undefined) {
-    bodyParams["tags"] = serializeAws_json1_1TagList(input.tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.pipeline !== undefined && {
+      pipeline: serializeAws_json1_1PipelineDeclaration(input.pipeline, context)
+    }),
+    ...(input.tags !== undefined && {
+      tags: serializeAws_json1_1TagList(input.tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteCustomActionTypeInput = (
   input: DeleteCustomActionTypeInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.category !== undefined) {
-    bodyParams["category"] = input.category;
-  }
-  if (input.provider !== undefined) {
-    bodyParams["provider"] = input.provider;
-  }
-  if (input.version !== undefined) {
-    bodyParams["version"] = input.version;
-  }
-  return bodyParams;
+  return {
+    ...(input.category !== undefined && { category: input.category }),
+    ...(input.provider !== undefined && { provider: input.provider }),
+    ...(input.version !== undefined && { version: input.version })
+  };
 };
 
 const serializeAws_json1_1DeletePipelineInput = (
   input: DeletePipelineInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  return bodyParams;
+  return {
+    ...(input.name !== undefined && { name: input.name })
+  };
 };
 
 const serializeAws_json1_1DeleteWebhookInput = (
   input: DeleteWebhookInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  return bodyParams;
+  return {
+    ...(input.name !== undefined && { name: input.name })
+  };
 };
 
 const serializeAws_json1_1DeregisterWebhookWithThirdPartyInput = (
   input: DeregisterWebhookWithThirdPartyInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.webhookName !== undefined) {
-    bodyParams["webhookName"] = input.webhookName;
-  }
-  return bodyParams;
+  return {
+    ...(input.webhookName !== undefined && { webhookName: input.webhookName })
+  };
 };
 
 const serializeAws_json1_1DisableStageTransitionInput = (
   input: DisableStageTransitionInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.pipelineName !== undefined) {
-    bodyParams["pipelineName"] = input.pipelineName;
-  }
-  if (input.reason !== undefined) {
-    bodyParams["reason"] = input.reason;
-  }
-  if (input.stageName !== undefined) {
-    bodyParams["stageName"] = input.stageName;
-  }
-  if (input.transitionType !== undefined) {
-    bodyParams["transitionType"] = input.transitionType;
-  }
-  return bodyParams;
+  return {
+    ...(input.pipelineName !== undefined && {
+      pipelineName: input.pipelineName
+    }),
+    ...(input.reason !== undefined && { reason: input.reason }),
+    ...(input.stageName !== undefined && { stageName: input.stageName }),
+    ...(input.transitionType !== undefined && {
+      transitionType: input.transitionType
+    })
+  };
 };
 
 const serializeAws_json1_1EnableStageTransitionInput = (
   input: EnableStageTransitionInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.pipelineName !== undefined) {
-    bodyParams["pipelineName"] = input.pipelineName;
-  }
-  if (input.stageName !== undefined) {
-    bodyParams["stageName"] = input.stageName;
-  }
-  if (input.transitionType !== undefined) {
-    bodyParams["transitionType"] = input.transitionType;
-  }
-  return bodyParams;
+  return {
+    ...(input.pipelineName !== undefined && {
+      pipelineName: input.pipelineName
+    }),
+    ...(input.stageName !== undefined && { stageName: input.stageName }),
+    ...(input.transitionType !== undefined && {
+      transitionType: input.transitionType
+    })
+  };
 };
 
 const serializeAws_json1_1GetJobDetailsInput = (
   input: GetJobDetailsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.jobId !== undefined) {
-    bodyParams["jobId"] = input.jobId;
-  }
-  return bodyParams;
+  return {
+    ...(input.jobId !== undefined && { jobId: input.jobId })
+  };
 };
 
 const serializeAws_json1_1GetPipelineExecutionInput = (
   input: GetPipelineExecutionInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.pipelineExecutionId !== undefined) {
-    bodyParams["pipelineExecutionId"] = input.pipelineExecutionId;
-  }
-  if (input.pipelineName !== undefined) {
-    bodyParams["pipelineName"] = input.pipelineName;
-  }
-  return bodyParams;
+  return {
+    ...(input.pipelineExecutionId !== undefined && {
+      pipelineExecutionId: input.pipelineExecutionId
+    }),
+    ...(input.pipelineName !== undefined && {
+      pipelineName: input.pipelineName
+    })
+  };
 };
 
 const serializeAws_json1_1GetPipelineInput = (
   input: GetPipelineInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  if (input.version !== undefined) {
-    bodyParams["version"] = input.version;
-  }
-  return bodyParams;
+  return {
+    ...(input.name !== undefined && { name: input.name }),
+    ...(input.version !== undefined && { version: input.version })
+  };
 };
 
 const serializeAws_json1_1GetPipelineStateInput = (
   input: GetPipelineStateInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  return bodyParams;
+  return {
+    ...(input.name !== undefined && { name: input.name })
+  };
 };
 
 const serializeAws_json1_1GetThirdPartyJobDetailsInput = (
   input: GetThirdPartyJobDetailsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.clientToken !== undefined) {
-    bodyParams["clientToken"] = input.clientToken;
-  }
-  if (input.jobId !== undefined) {
-    bodyParams["jobId"] = input.jobId;
-  }
-  return bodyParams;
+  return {
+    ...(input.clientToken !== undefined && { clientToken: input.clientToken }),
+    ...(input.jobId !== undefined && { jobId: input.jobId })
+  };
 };
 
 const serializeAws_json1_1InputArtifact = (
   input: InputArtifact,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  return bodyParams;
+  return {
+    ...(input.name !== undefined && { name: input.name })
+  };
 };
 
 const serializeAws_json1_1InputArtifactList = (
@@ -5265,107 +5171,80 @@ const serializeAws_json1_1ListActionExecutionsInput = (
   input: ListActionExecutionsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.filter !== undefined) {
-    bodyParams["filter"] = serializeAws_json1_1ActionExecutionFilter(
-      input.filter,
-      context
-    );
-  }
-  if (input.maxResults !== undefined) {
-    bodyParams["maxResults"] = input.maxResults;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  if (input.pipelineName !== undefined) {
-    bodyParams["pipelineName"] = input.pipelineName;
-  }
-  return bodyParams;
+  return {
+    ...(input.filter !== undefined && {
+      filter: serializeAws_json1_1ActionExecutionFilter(input.filter, context)
+    }),
+    ...(input.maxResults !== undefined && { maxResults: input.maxResults }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken }),
+    ...(input.pipelineName !== undefined && {
+      pipelineName: input.pipelineName
+    })
+  };
 };
 
 const serializeAws_json1_1ListActionTypesInput = (
   input: ListActionTypesInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.actionOwnerFilter !== undefined) {
-    bodyParams["actionOwnerFilter"] = input.actionOwnerFilter;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.actionOwnerFilter !== undefined && {
+      actionOwnerFilter: input.actionOwnerFilter
+    }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken })
+  };
 };
 
 const serializeAws_json1_1ListPipelineExecutionsInput = (
   input: ListPipelineExecutionsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.maxResults !== undefined) {
-    bodyParams["maxResults"] = input.maxResults;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  if (input.pipelineName !== undefined) {
-    bodyParams["pipelineName"] = input.pipelineName;
-  }
-  return bodyParams;
+  return {
+    ...(input.maxResults !== undefined && { maxResults: input.maxResults }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken }),
+    ...(input.pipelineName !== undefined && {
+      pipelineName: input.pipelineName
+    })
+  };
 };
 
 const serializeAws_json1_1ListPipelinesInput = (
   input: ListPipelinesInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken })
+  };
 };
 
 const serializeAws_json1_1ListTagsForResourceInput = (
   input: ListTagsForResourceInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.maxResults !== undefined) {
-    bodyParams["maxResults"] = input.maxResults;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  if (input.resourceArn !== undefined) {
-    bodyParams["resourceArn"] = input.resourceArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.maxResults !== undefined && { maxResults: input.maxResults }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken }),
+    ...(input.resourceArn !== undefined && { resourceArn: input.resourceArn })
+  };
 };
 
 const serializeAws_json1_1ListWebhooksInput = (
   input: ListWebhooksInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1OutputArtifact = (
   input: OutputArtifact,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  return bodyParams;
+  return {
+    ...(input.name !== undefined && { name: input.name })
+  };
 };
 
 const serializeAws_json1_1OutputArtifactList = (
@@ -5379,35 +5258,29 @@ const serializeAws_json1_1PipelineDeclaration = (
   input: PipelineDeclaration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.artifactStore !== undefined) {
-    bodyParams["artifactStore"] = serializeAws_json1_1ArtifactStore(
-      input.artifactStore,
-      context
-    );
-  }
-  if (input.artifactStores !== undefined) {
-    bodyParams["artifactStores"] = serializeAws_json1_1ArtifactStoreMap(
-      input.artifactStores,
-      context
-    );
-  }
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  if (input.roleArn !== undefined) {
-    bodyParams["roleArn"] = input.roleArn;
-  }
-  if (input.stages !== undefined) {
-    bodyParams["stages"] = serializeAws_json1_1PipelineStageDeclarationList(
-      input.stages,
-      context
-    );
-  }
-  if (input.version !== undefined) {
-    bodyParams["version"] = input.version;
-  }
-  return bodyParams;
+  return {
+    ...(input.artifactStore !== undefined && {
+      artifactStore: serializeAws_json1_1ArtifactStore(
+        input.artifactStore,
+        context
+      )
+    }),
+    ...(input.artifactStores !== undefined && {
+      artifactStores: serializeAws_json1_1ArtifactStoreMap(
+        input.artifactStores,
+        context
+      )
+    }),
+    ...(input.name !== undefined && { name: input.name }),
+    ...(input.roleArn !== undefined && { roleArn: input.roleArn }),
+    ...(input.stages !== undefined && {
+      stages: serializeAws_json1_1PipelineStageDeclarationList(
+        input.stages,
+        context
+      )
+    }),
+    ...(input.version !== undefined && { version: input.version })
+  };
 };
 
 const serializeAws_json1_1PipelineStageDeclarationList = (
@@ -5423,235 +5296,198 @@ const serializeAws_json1_1PollForJobsInput = (
   input: PollForJobsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.actionTypeId !== undefined) {
-    bodyParams["actionTypeId"] = serializeAws_json1_1ActionTypeId(
-      input.actionTypeId,
-      context
-    );
-  }
-  if (input.maxBatchSize !== undefined) {
-    bodyParams["maxBatchSize"] = input.maxBatchSize;
-  }
-  if (input.queryParam !== undefined) {
-    bodyParams["queryParam"] = serializeAws_json1_1QueryParamMap(
-      input.queryParam,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.actionTypeId !== undefined && {
+      actionTypeId: serializeAws_json1_1ActionTypeId(
+        input.actionTypeId,
+        context
+      )
+    }),
+    ...(input.maxBatchSize !== undefined && {
+      maxBatchSize: input.maxBatchSize
+    }),
+    ...(input.queryParam !== undefined && {
+      queryParam: serializeAws_json1_1QueryParamMap(input.queryParam, context)
+    })
+  };
 };
 
 const serializeAws_json1_1PollForThirdPartyJobsInput = (
   input: PollForThirdPartyJobsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.actionTypeId !== undefined) {
-    bodyParams["actionTypeId"] = serializeAws_json1_1ActionTypeId(
-      input.actionTypeId,
-      context
-    );
-  }
-  if (input.maxBatchSize !== undefined) {
-    bodyParams["maxBatchSize"] = input.maxBatchSize;
-  }
-  return bodyParams;
+  return {
+    ...(input.actionTypeId !== undefined && {
+      actionTypeId: serializeAws_json1_1ActionTypeId(
+        input.actionTypeId,
+        context
+      )
+    }),
+    ...(input.maxBatchSize !== undefined && {
+      maxBatchSize: input.maxBatchSize
+    })
+  };
 };
 
 const serializeAws_json1_1PutActionRevisionInput = (
   input: PutActionRevisionInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.actionName !== undefined) {
-    bodyParams["actionName"] = input.actionName;
-  }
-  if (input.actionRevision !== undefined) {
-    bodyParams["actionRevision"] = serializeAws_json1_1ActionRevision(
-      input.actionRevision,
-      context
-    );
-  }
-  if (input.pipelineName !== undefined) {
-    bodyParams["pipelineName"] = input.pipelineName;
-  }
-  if (input.stageName !== undefined) {
-    bodyParams["stageName"] = input.stageName;
-  }
-  return bodyParams;
+  return {
+    ...(input.actionName !== undefined && { actionName: input.actionName }),
+    ...(input.actionRevision !== undefined && {
+      actionRevision: serializeAws_json1_1ActionRevision(
+        input.actionRevision,
+        context
+      )
+    }),
+    ...(input.pipelineName !== undefined && {
+      pipelineName: input.pipelineName
+    }),
+    ...(input.stageName !== undefined && { stageName: input.stageName })
+  };
 };
 
 const serializeAws_json1_1PutApprovalResultInput = (
   input: PutApprovalResultInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.actionName !== undefined) {
-    bodyParams["actionName"] = input.actionName;
-  }
-  if (input.pipelineName !== undefined) {
-    bodyParams["pipelineName"] = input.pipelineName;
-  }
-  if (input.result !== undefined) {
-    bodyParams["result"] = serializeAws_json1_1ApprovalResult(
-      input.result,
-      context
-    );
-  }
-  if (input.stageName !== undefined) {
-    bodyParams["stageName"] = input.stageName;
-  }
-  if (input.token !== undefined) {
-    bodyParams["token"] = input.token;
-  }
-  return bodyParams;
+  return {
+    ...(input.actionName !== undefined && { actionName: input.actionName }),
+    ...(input.pipelineName !== undefined && {
+      pipelineName: input.pipelineName
+    }),
+    ...(input.result !== undefined && {
+      result: serializeAws_json1_1ApprovalResult(input.result, context)
+    }),
+    ...(input.stageName !== undefined && { stageName: input.stageName }),
+    ...(input.token !== undefined && { token: input.token })
+  };
 };
 
 const serializeAws_json1_1PutJobFailureResultInput = (
   input: PutJobFailureResultInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.failureDetails !== undefined) {
-    bodyParams["failureDetails"] = serializeAws_json1_1FailureDetails(
-      input.failureDetails,
-      context
-    );
-  }
-  if (input.jobId !== undefined) {
-    bodyParams["jobId"] = input.jobId;
-  }
-  return bodyParams;
+  return {
+    ...(input.failureDetails !== undefined && {
+      failureDetails: serializeAws_json1_1FailureDetails(
+        input.failureDetails,
+        context
+      )
+    }),
+    ...(input.jobId !== undefined && { jobId: input.jobId })
+  };
 };
 
 const serializeAws_json1_1PutJobSuccessResultInput = (
   input: PutJobSuccessResultInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.continuationToken !== undefined) {
-    bodyParams["continuationToken"] = input.continuationToken;
-  }
-  if (input.currentRevision !== undefined) {
-    bodyParams["currentRevision"] = serializeAws_json1_1CurrentRevision(
-      input.currentRevision,
-      context
-    );
-  }
-  if (input.executionDetails !== undefined) {
-    bodyParams["executionDetails"] = serializeAws_json1_1ExecutionDetails(
-      input.executionDetails,
-      context
-    );
-  }
-  if (input.jobId !== undefined) {
-    bodyParams["jobId"] = input.jobId;
-  }
-  if (input.outputVariables !== undefined) {
-    bodyParams["outputVariables"] = serializeAws_json1_1OutputVariablesMap(
-      input.outputVariables,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.continuationToken !== undefined && {
+      continuationToken: input.continuationToken
+    }),
+    ...(input.currentRevision !== undefined && {
+      currentRevision: serializeAws_json1_1CurrentRevision(
+        input.currentRevision,
+        context
+      )
+    }),
+    ...(input.executionDetails !== undefined && {
+      executionDetails: serializeAws_json1_1ExecutionDetails(
+        input.executionDetails,
+        context
+      )
+    }),
+    ...(input.jobId !== undefined && { jobId: input.jobId }),
+    ...(input.outputVariables !== undefined && {
+      outputVariables: serializeAws_json1_1OutputVariablesMap(
+        input.outputVariables,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1PutThirdPartyJobFailureResultInput = (
   input: PutThirdPartyJobFailureResultInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.clientToken !== undefined) {
-    bodyParams["clientToken"] = input.clientToken;
-  }
-  if (input.failureDetails !== undefined) {
-    bodyParams["failureDetails"] = serializeAws_json1_1FailureDetails(
-      input.failureDetails,
-      context
-    );
-  }
-  if (input.jobId !== undefined) {
-    bodyParams["jobId"] = input.jobId;
-  }
-  return bodyParams;
+  return {
+    ...(input.clientToken !== undefined && { clientToken: input.clientToken }),
+    ...(input.failureDetails !== undefined && {
+      failureDetails: serializeAws_json1_1FailureDetails(
+        input.failureDetails,
+        context
+      )
+    }),
+    ...(input.jobId !== undefined && { jobId: input.jobId })
+  };
 };
 
 const serializeAws_json1_1PutThirdPartyJobSuccessResultInput = (
   input: PutThirdPartyJobSuccessResultInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.clientToken !== undefined) {
-    bodyParams["clientToken"] = input.clientToken;
-  }
-  if (input.continuationToken !== undefined) {
-    bodyParams["continuationToken"] = input.continuationToken;
-  }
-  if (input.currentRevision !== undefined) {
-    bodyParams["currentRevision"] = serializeAws_json1_1CurrentRevision(
-      input.currentRevision,
-      context
-    );
-  }
-  if (input.executionDetails !== undefined) {
-    bodyParams["executionDetails"] = serializeAws_json1_1ExecutionDetails(
-      input.executionDetails,
-      context
-    );
-  }
-  if (input.jobId !== undefined) {
-    bodyParams["jobId"] = input.jobId;
-  }
-  return bodyParams;
+  return {
+    ...(input.clientToken !== undefined && { clientToken: input.clientToken }),
+    ...(input.continuationToken !== undefined && {
+      continuationToken: input.continuationToken
+    }),
+    ...(input.currentRevision !== undefined && {
+      currentRevision: serializeAws_json1_1CurrentRevision(
+        input.currentRevision,
+        context
+      )
+    }),
+    ...(input.executionDetails !== undefined && {
+      executionDetails: serializeAws_json1_1ExecutionDetails(
+        input.executionDetails,
+        context
+      )
+    }),
+    ...(input.jobId !== undefined && { jobId: input.jobId })
+  };
 };
 
 const serializeAws_json1_1PutWebhookInput = (
   input: PutWebhookInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.tags !== undefined) {
-    bodyParams["tags"] = serializeAws_json1_1TagList(input.tags, context);
-  }
-  if (input.webhook !== undefined) {
-    bodyParams["webhook"] = serializeAws_json1_1WebhookDefinition(
-      input.webhook,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.tags !== undefined && {
+      tags: serializeAws_json1_1TagList(input.tags, context)
+    }),
+    ...(input.webhook !== undefined && {
+      webhook: serializeAws_json1_1WebhookDefinition(input.webhook, context)
+    })
+  };
 };
 
 const serializeAws_json1_1RegisterWebhookWithThirdPartyInput = (
   input: RegisterWebhookWithThirdPartyInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.webhookName !== undefined) {
-    bodyParams["webhookName"] = input.webhookName;
-  }
-  return bodyParams;
+  return {
+    ...(input.webhookName !== undefined && { webhookName: input.webhookName })
+  };
 };
 
 const serializeAws_json1_1RetryStageExecutionInput = (
   input: RetryStageExecutionInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.pipelineExecutionId !== undefined) {
-    bodyParams["pipelineExecutionId"] = input.pipelineExecutionId;
-  }
-  if (input.pipelineName !== undefined) {
-    bodyParams["pipelineName"] = input.pipelineName;
-  }
-  if (input.retryMode !== undefined) {
-    bodyParams["retryMode"] = input.retryMode;
-  }
-  if (input.stageName !== undefined) {
-    bodyParams["stageName"] = input.stageName;
-  }
-  return bodyParams;
+  return {
+    ...(input.pipelineExecutionId !== undefined && {
+      pipelineExecutionId: input.pipelineExecutionId
+    }),
+    ...(input.pipelineName !== undefined && {
+      pipelineName: input.pipelineName
+    }),
+    ...(input.retryMode !== undefined && { retryMode: input.retryMode }),
+    ...(input.stageName !== undefined && { stageName: input.stageName })
+  };
 };
 
 const serializeAws_json1_1StageActionDeclarationList = (
@@ -5676,71 +5512,54 @@ const serializeAws_json1_1StageDeclaration = (
   input: StageDeclaration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.actions !== undefined) {
-    bodyParams["actions"] = serializeAws_json1_1StageActionDeclarationList(
-      input.actions,
-      context
-    );
-  }
-  if (input.blockers !== undefined) {
-    bodyParams["blockers"] = serializeAws_json1_1StageBlockerDeclarationList(
-      input.blockers,
-      context
-    );
-  }
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  return bodyParams;
+  return {
+    ...(input.actions !== undefined && {
+      actions: serializeAws_json1_1StageActionDeclarationList(
+        input.actions,
+        context
+      )
+    }),
+    ...(input.blockers !== undefined && {
+      blockers: serializeAws_json1_1StageBlockerDeclarationList(
+        input.blockers,
+        context
+      )
+    }),
+    ...(input.name !== undefined && { name: input.name })
+  };
 };
 
 const serializeAws_json1_1StartPipelineExecutionInput = (
   input: StartPipelineExecutionInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.clientRequestToken === undefined) {
-    input.clientRequestToken = generateIdempotencyToken();
-  }
-  if (input.clientRequestToken !== undefined) {
-    bodyParams["clientRequestToken"] = input.clientRequestToken;
-  }
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  return bodyParams;
+  return {
+    clientRequestToken: input.clientRequestToken ?? generateIdempotencyToken(),
+    ...(input.name !== undefined && { name: input.name })
+  };
 };
 
 const serializeAws_json1_1StopPipelineExecutionInput = (
   input: StopPipelineExecutionInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.abandon !== undefined) {
-    bodyParams["abandon"] = input.abandon;
-  }
-  if (input.pipelineExecutionId !== undefined) {
-    bodyParams["pipelineExecutionId"] = input.pipelineExecutionId;
-  }
-  if (input.pipelineName !== undefined) {
-    bodyParams["pipelineName"] = input.pipelineName;
-  }
-  if (input.reason !== undefined) {
-    bodyParams["reason"] = input.reason;
-  }
-  return bodyParams;
+  return {
+    ...(input.abandon !== undefined && { abandon: input.abandon }),
+    ...(input.pipelineExecutionId !== undefined && {
+      pipelineExecutionId: input.pipelineExecutionId
+    }),
+    ...(input.pipelineName !== undefined && {
+      pipelineName: input.pipelineName
+    }),
+    ...(input.reason !== undefined && { reason: input.reason })
+  };
 };
 
 const serializeAws_json1_1Tag = (input: Tag, context: __SerdeContext): any => {
-  const bodyParams: any = {};
-  if (input.key !== undefined) {
-    bodyParams["key"] = input.key;
-  }
-  if (input.value !== undefined) {
-    bodyParams["value"] = input.value;
-  }
-  return bodyParams;
+  return {
+    ...(input.key !== undefined && { key: input.key }),
+    ...(input.value !== undefined && { value: input.value })
+  };
 };
 
 const serializeAws_json1_1TagKeyList = (
@@ -5761,107 +5580,84 @@ const serializeAws_json1_1TagResourceInput = (
   input: TagResourceInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.resourceArn !== undefined) {
-    bodyParams["resourceArn"] = input.resourceArn;
-  }
-  if (input.tags !== undefined) {
-    bodyParams["tags"] = serializeAws_json1_1TagList(input.tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.resourceArn !== undefined && { resourceArn: input.resourceArn }),
+    ...(input.tags !== undefined && {
+      tags: serializeAws_json1_1TagList(input.tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1UntagResourceInput = (
   input: UntagResourceInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.resourceArn !== undefined) {
-    bodyParams["resourceArn"] = input.resourceArn;
-  }
-  if (input.tagKeys !== undefined) {
-    bodyParams["tagKeys"] = serializeAws_json1_1TagKeyList(
-      input.tagKeys,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.resourceArn !== undefined && { resourceArn: input.resourceArn }),
+    ...(input.tagKeys !== undefined && {
+      tagKeys: serializeAws_json1_1TagKeyList(input.tagKeys, context)
+    })
+  };
 };
 
 const serializeAws_json1_1UpdatePipelineInput = (
   input: UpdatePipelineInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.pipeline !== undefined) {
-    bodyParams["pipeline"] = serializeAws_json1_1PipelineDeclaration(
-      input.pipeline,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.pipeline !== undefined && {
+      pipeline: serializeAws_json1_1PipelineDeclaration(input.pipeline, context)
+    })
+  };
 };
 
 const serializeAws_json1_1WebhookAuthConfiguration = (
   input: WebhookAuthConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AllowedIPRange !== undefined) {
-    bodyParams["AllowedIPRange"] = input.AllowedIPRange;
-  }
-  if (input.SecretToken !== undefined) {
-    bodyParams["SecretToken"] = input.SecretToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.AllowedIPRange !== undefined && {
+      AllowedIPRange: input.AllowedIPRange
+    }),
+    ...(input.SecretToken !== undefined && { SecretToken: input.SecretToken })
+  };
 };
 
 const serializeAws_json1_1WebhookDefinition = (
   input: WebhookDefinition,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.authentication !== undefined) {
-    bodyParams["authentication"] = input.authentication;
-  }
-  if (input.authenticationConfiguration !== undefined) {
-    bodyParams[
-      "authenticationConfiguration"
-    ] = serializeAws_json1_1WebhookAuthConfiguration(
-      input.authenticationConfiguration,
-      context
-    );
-  }
-  if (input.filters !== undefined) {
-    bodyParams["filters"] = serializeAws_json1_1WebhookFilters(
-      input.filters,
-      context
-    );
-  }
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  if (input.targetAction !== undefined) {
-    bodyParams["targetAction"] = input.targetAction;
-  }
-  if (input.targetPipeline !== undefined) {
-    bodyParams["targetPipeline"] = input.targetPipeline;
-  }
-  return bodyParams;
+  return {
+    ...(input.authentication !== undefined && {
+      authentication: input.authentication
+    }),
+    ...(input.authenticationConfiguration !== undefined && {
+      authenticationConfiguration: serializeAws_json1_1WebhookAuthConfiguration(
+        input.authenticationConfiguration,
+        context
+      )
+    }),
+    ...(input.filters !== undefined && {
+      filters: serializeAws_json1_1WebhookFilters(input.filters, context)
+    }),
+    ...(input.name !== undefined && { name: input.name }),
+    ...(input.targetAction !== undefined && {
+      targetAction: input.targetAction
+    }),
+    ...(input.targetPipeline !== undefined && {
+      targetPipeline: input.targetPipeline
+    })
+  };
 };
 
 const serializeAws_json1_1WebhookFilterRule = (
   input: WebhookFilterRule,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.jsonPath !== undefined) {
-    bodyParams["jsonPath"] = input.jsonPath;
-  }
-  if (input.matchEquals !== undefined) {
-    bodyParams["matchEquals"] = input.matchEquals;
-  }
-  return bodyParams;
+  return {
+    ...(input.jsonPath !== undefined && { jsonPath: input.jsonPath }),
+    ...(input.matchEquals !== undefined && { matchEquals: input.matchEquals })
+  };
 };
 
 const serializeAws_json1_1WebhookFilters = (
@@ -5887,88 +5683,68 @@ const serializeAws_json1_1ActionTypeId = (
   input: ActionTypeId,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.category !== undefined) {
-    bodyParams["category"] = input.category;
-  }
-  if (input.owner !== undefined) {
-    bodyParams["owner"] = input.owner;
-  }
-  if (input.provider !== undefined) {
-    bodyParams["provider"] = input.provider;
-  }
-  if (input.version !== undefined) {
-    bodyParams["version"] = input.version;
-  }
-  return bodyParams;
+  return {
+    ...(input.category !== undefined && { category: input.category }),
+    ...(input.owner !== undefined && { owner: input.owner }),
+    ...(input.provider !== undefined && { provider: input.provider }),
+    ...(input.version !== undefined && { version: input.version })
+  };
 };
 
 const serializeAws_json1_1CurrentRevision = (
   input: CurrentRevision,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.changeIdentifier !== undefined) {
-    bodyParams["changeIdentifier"] = input.changeIdentifier;
-  }
-  if (input.created !== undefined) {
-    bodyParams["created"] = Math.round(input.created.getTime() / 1000);
-  }
-  if (input.revision !== undefined) {
-    bodyParams["revision"] = input.revision;
-  }
-  if (input.revisionSummary !== undefined) {
-    bodyParams["revisionSummary"] = input.revisionSummary;
-  }
-  return bodyParams;
+  return {
+    ...(input.changeIdentifier !== undefined && {
+      changeIdentifier: input.changeIdentifier
+    }),
+    ...(input.created !== undefined && {
+      created: Math.round(input.created.getTime() / 1000)
+    }),
+    ...(input.revision !== undefined && { revision: input.revision }),
+    ...(input.revisionSummary !== undefined && {
+      revisionSummary: input.revisionSummary
+    })
+  };
 };
 
 const serializeAws_json1_1EncryptionKey = (
   input: EncryptionKey,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.id !== undefined) {
-    bodyParams["id"] = input.id;
-  }
-  if (input.type !== undefined) {
-    bodyParams["type"] = input.type;
-  }
-  return bodyParams;
+  return {
+    ...(input.id !== undefined && { id: input.id }),
+    ...(input.type !== undefined && { type: input.type })
+  };
 };
 
 const serializeAws_json1_1ExecutionDetails = (
   input: ExecutionDetails,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.externalExecutionId !== undefined) {
-    bodyParams["externalExecutionId"] = input.externalExecutionId;
-  }
-  if (input.percentComplete !== undefined) {
-    bodyParams["percentComplete"] = input.percentComplete;
-  }
-  if (input.summary !== undefined) {
-    bodyParams["summary"] = input.summary;
-  }
-  return bodyParams;
+  return {
+    ...(input.externalExecutionId !== undefined && {
+      externalExecutionId: input.externalExecutionId
+    }),
+    ...(input.percentComplete !== undefined && {
+      percentComplete: input.percentComplete
+    }),
+    ...(input.summary !== undefined && { summary: input.summary })
+  };
 };
 
 const serializeAws_json1_1FailureDetails = (
   input: FailureDetails,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.externalExecutionId !== undefined) {
-    bodyParams["externalExecutionId"] = input.externalExecutionId;
-  }
-  if (input.message !== undefined) {
-    bodyParams["message"] = input.message;
-  }
-  if (input.type !== undefined) {
-    bodyParams["type"] = input.type;
-  }
-  return bodyParams;
+  return {
+    ...(input.externalExecutionId !== undefined && {
+      externalExecutionId: input.externalExecutionId
+    }),
+    ...(input.message !== undefined && { message: input.message }),
+    ...(input.type !== undefined && { type: input.type })
+  };
 };
 
 const serializeAws_json1_1OutputVariablesMap = (
diff --git a/clients/client-codestar-connections/protocols/Aws_json1_0.ts b/clients/client-codestar-connections/protocols/Aws_json1_0.ts
index d048fed9c607..fd4c6ba19932 100644
--- a/clients/client-codestar-connections/protocols/Aws_json1_0.ts
+++ b/clients/client-codestar-connections/protocols/Aws_json1_0.ts
@@ -367,53 +367,49 @@ const serializeAws_json1_0CreateConnectionInput = (
   input: CreateConnectionInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ConnectionName !== undefined) {
-    bodyParams["ConnectionName"] = input.ConnectionName;
-  }
-  if (input.ProviderType !== undefined) {
-    bodyParams["ProviderType"] = input.ProviderType;
-  }
-  return bodyParams;
+  return {
+    ...(input.ConnectionName !== undefined && {
+      ConnectionName: input.ConnectionName
+    }),
+    ...(input.ProviderType !== undefined && {
+      ProviderType: input.ProviderType
+    })
+  };
 };
 
 const serializeAws_json1_0DeleteConnectionInput = (
   input: DeleteConnectionInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ConnectionArn !== undefined) {
-    bodyParams["ConnectionArn"] = input.ConnectionArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.ConnectionArn !== undefined && {
+      ConnectionArn: input.ConnectionArn
+    })
+  };
 };
 
 const serializeAws_json1_0GetConnectionInput = (
   input: GetConnectionInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ConnectionArn !== undefined) {
-    bodyParams["ConnectionArn"] = input.ConnectionArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.ConnectionArn !== undefined && {
+      ConnectionArn: input.ConnectionArn
+    })
+  };
 };
 
 const serializeAws_json1_0ListConnectionsInput = (
   input: ListConnectionsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.ProviderTypeFilter !== undefined) {
-    bodyParams["ProviderTypeFilter"] = input.ProviderTypeFilter;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.ProviderTypeFilter !== undefined && {
+      ProviderTypeFilter: input.ProviderTypeFilter
+    })
+  };
 };
 
 const deserializeAws_json1_0Connection = (
diff --git a/clients/client-codestar-notifications/protocols/Aws_restJson1_1.ts b/clients/client-codestar-notifications/protocols/Aws_restJson1_1.ts
index a5378a33203c..dcae9e2abaef 100644
--- a/clients/client-codestar-notifications/protocols/Aws_restJson1_1.ts
+++ b/clients/client-codestar-notifications/protocols/Aws_restJson1_1.ts
@@ -1717,14 +1717,10 @@ const serializeAws_restJson1_1ListEventTypesFilter = (
   input: ListEventTypesFilter,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.Value !== undefined) {
-    bodyParams["Value"] = input.Value;
-  }
-  return bodyParams;
+  return {
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.Value !== undefined && { Value: input.Value })
+  };
 };
 
 const serializeAws_restJson1_1ListEventTypesFilters = (
@@ -1740,14 +1736,10 @@ const serializeAws_restJson1_1ListNotificationRulesFilter = (
   input: ListNotificationRulesFilter,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.Value !== undefined) {
-    bodyParams["Value"] = input.Value;
-  }
-  return bodyParams;
+  return {
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.Value !== undefined && { Value: input.Value })
+  };
 };
 
 const serializeAws_restJson1_1ListNotificationRulesFilters = (
@@ -1763,14 +1755,10 @@ const serializeAws_restJson1_1ListTargetsFilter = (
   input: ListTargetsFilter,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.Value !== undefined) {
-    bodyParams["Value"] = input.Value;
-  }
-  return bodyParams;
+  return {
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.Value !== undefined && { Value: input.Value })
+  };
 };
 
 const serializeAws_restJson1_1ListTargetsFilters = (
@@ -1803,14 +1791,12 @@ const serializeAws_restJson1_1Target = (
   input: Target,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.TargetAddress !== undefined) {
-    bodyParams["TargetAddress"] = input.TargetAddress;
-  }
-  if (input.TargetType !== undefined) {
-    bodyParams["TargetType"] = input.TargetType;
-  }
-  return bodyParams;
+  return {
+    ...(input.TargetAddress !== undefined && {
+      TargetAddress: input.TargetAddress
+    }),
+    ...(input.TargetType !== undefined && { TargetType: input.TargetType })
+  };
 };
 
 const serializeAws_restJson1_1Targets = (
diff --git a/clients/client-codestar/protocols/Aws_json1_1.ts b/clients/client-codestar/protocols/Aws_json1_1.ts
index d9d02792f232..4b97d87a7e55 100644
--- a/clients/client-codestar/protocols/Aws_json1_1.ts
+++ b/clients/client-codestar/protocols/Aws_json1_1.ts
@@ -2240,326 +2240,242 @@ const serializeAws_json1_1AssociateTeamMemberRequest = (
   input: AssociateTeamMemberRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.clientRequestToken !== undefined) {
-    bodyParams["clientRequestToken"] = input.clientRequestToken;
-  }
-  if (input.projectId !== undefined) {
-    bodyParams["projectId"] = input.projectId;
-  }
-  if (input.projectRole !== undefined) {
-    bodyParams["projectRole"] = input.projectRole;
-  }
-  if (input.remoteAccessAllowed !== undefined) {
-    bodyParams["remoteAccessAllowed"] = input.remoteAccessAllowed;
-  }
-  if (input.userArn !== undefined) {
-    bodyParams["userArn"] = input.userArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.clientRequestToken !== undefined && {
+      clientRequestToken: input.clientRequestToken
+    }),
+    ...(input.projectId !== undefined && { projectId: input.projectId }),
+    ...(input.projectRole !== undefined && { projectRole: input.projectRole }),
+    ...(input.remoteAccessAllowed !== undefined && {
+      remoteAccessAllowed: input.remoteAccessAllowed
+    }),
+    ...(input.userArn !== undefined && { userArn: input.userArn })
+  };
 };
 
 const serializeAws_json1_1Code = (
   input: Code,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.destination !== undefined) {
-    bodyParams["destination"] = serializeAws_json1_1CodeDestination(
-      input.destination,
-      context
-    );
-  }
-  if (input.source !== undefined) {
-    bodyParams["source"] = serializeAws_json1_1CodeSource(
-      input.source,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.destination !== undefined && {
+      destination: serializeAws_json1_1CodeDestination(
+        input.destination,
+        context
+      )
+    }),
+    ...(input.source !== undefined && {
+      source: serializeAws_json1_1CodeSource(input.source, context)
+    })
+  };
 };
 
 const serializeAws_json1_1CodeCommitCodeDestination = (
   input: CodeCommitCodeDestination,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  return bodyParams;
+  return {
+    ...(input.name !== undefined && { name: input.name })
+  };
 };
 
 const serializeAws_json1_1CodeDestination = (
   input: CodeDestination,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.codeCommit !== undefined) {
-    bodyParams["codeCommit"] = serializeAws_json1_1CodeCommitCodeDestination(
-      input.codeCommit,
-      context
-    );
-  }
-  if (input.gitHub !== undefined) {
-    bodyParams["gitHub"] = serializeAws_json1_1GitHubCodeDestination(
-      input.gitHub,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.codeCommit !== undefined && {
+      codeCommit: serializeAws_json1_1CodeCommitCodeDestination(
+        input.codeCommit,
+        context
+      )
+    }),
+    ...(input.gitHub !== undefined && {
+      gitHub: serializeAws_json1_1GitHubCodeDestination(input.gitHub, context)
+    })
+  };
 };
 
 const serializeAws_json1_1CodeSource = (
   input: CodeSource,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.s3 !== undefined) {
-    bodyParams["s3"] = serializeAws_json1_1S3Location(input.s3, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.s3 !== undefined && {
+      s3: serializeAws_json1_1S3Location(input.s3, context)
+    })
+  };
 };
 
 const serializeAws_json1_1CreateProjectRequest = (
   input: CreateProjectRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.clientRequestToken !== undefined) {
-    bodyParams["clientRequestToken"] = input.clientRequestToken;
-  }
-  if (input.description !== undefined) {
-    bodyParams["description"] = input.description;
-  }
-  if (input.id !== undefined) {
-    bodyParams["id"] = input.id;
-  }
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  if (input.sourceCode !== undefined) {
-    bodyParams["sourceCode"] = serializeAws_json1_1SourceCode(
-      input.sourceCode,
-      context
-    );
-  }
-  if (input.tags !== undefined) {
-    bodyParams["tags"] = serializeAws_json1_1Tags(input.tags, context);
-  }
-  if (input.toolchain !== undefined) {
-    bodyParams["toolchain"] = serializeAws_json1_1Toolchain(
-      input.toolchain,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.clientRequestToken !== undefined && {
+      clientRequestToken: input.clientRequestToken
+    }),
+    ...(input.description !== undefined && { description: input.description }),
+    ...(input.id !== undefined && { id: input.id }),
+    ...(input.name !== undefined && { name: input.name }),
+    ...(input.sourceCode !== undefined && {
+      sourceCode: serializeAws_json1_1SourceCode(input.sourceCode, context)
+    }),
+    ...(input.tags !== undefined && {
+      tags: serializeAws_json1_1Tags(input.tags, context)
+    }),
+    ...(input.toolchain !== undefined && {
+      toolchain: serializeAws_json1_1Toolchain(input.toolchain, context)
+    })
+  };
 };
 
 const serializeAws_json1_1CreateUserProfileRequest = (
   input: CreateUserProfileRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.displayName !== undefined) {
-    bodyParams["displayName"] = input.displayName;
-  }
-  if (input.emailAddress !== undefined) {
-    bodyParams["emailAddress"] = input.emailAddress;
-  }
-  if (input.sshPublicKey !== undefined) {
-    bodyParams["sshPublicKey"] = input.sshPublicKey;
-  }
-  if (input.userArn !== undefined) {
-    bodyParams["userArn"] = input.userArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.displayName !== undefined && { displayName: input.displayName }),
+    ...(input.emailAddress !== undefined && {
+      emailAddress: input.emailAddress
+    }),
+    ...(input.sshPublicKey !== undefined && {
+      sshPublicKey: input.sshPublicKey
+    }),
+    ...(input.userArn !== undefined && { userArn: input.userArn })
+  };
 };
 
 const serializeAws_json1_1DeleteProjectRequest = (
   input: DeleteProjectRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.clientRequestToken !== undefined) {
-    bodyParams["clientRequestToken"] = input.clientRequestToken;
-  }
-  if (input.deleteStack !== undefined) {
-    bodyParams["deleteStack"] = input.deleteStack;
-  }
-  if (input.id !== undefined) {
-    bodyParams["id"] = input.id;
-  }
-  return bodyParams;
+  return {
+    ...(input.clientRequestToken !== undefined && {
+      clientRequestToken: input.clientRequestToken
+    }),
+    ...(input.deleteStack !== undefined && { deleteStack: input.deleteStack }),
+    ...(input.id !== undefined && { id: input.id })
+  };
 };
 
 const serializeAws_json1_1DeleteUserProfileRequest = (
   input: DeleteUserProfileRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.userArn !== undefined) {
-    bodyParams["userArn"] = input.userArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.userArn !== undefined && { userArn: input.userArn })
+  };
 };
 
 const serializeAws_json1_1DescribeProjectRequest = (
   input: DescribeProjectRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.id !== undefined) {
-    bodyParams["id"] = input.id;
-  }
-  return bodyParams;
+  return {
+    ...(input.id !== undefined && { id: input.id })
+  };
 };
 
 const serializeAws_json1_1DescribeUserProfileRequest = (
   input: DescribeUserProfileRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.userArn !== undefined) {
-    bodyParams["userArn"] = input.userArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.userArn !== undefined && { userArn: input.userArn })
+  };
 };
 
 const serializeAws_json1_1DisassociateTeamMemberRequest = (
   input: DisassociateTeamMemberRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.projectId !== undefined) {
-    bodyParams["projectId"] = input.projectId;
-  }
-  if (input.userArn !== undefined) {
-    bodyParams["userArn"] = input.userArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.projectId !== undefined && { projectId: input.projectId }),
+    ...(input.userArn !== undefined && { userArn: input.userArn })
+  };
 };
 
 const serializeAws_json1_1GitHubCodeDestination = (
   input: GitHubCodeDestination,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.description !== undefined) {
-    bodyParams["description"] = input.description;
-  }
-  if (input.issuesEnabled !== undefined) {
-    bodyParams["issuesEnabled"] = input.issuesEnabled;
-  }
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  if (input.owner !== undefined) {
-    bodyParams["owner"] = input.owner;
-  }
-  if (input.privateRepository !== undefined) {
-    bodyParams["privateRepository"] = input.privateRepository;
-  }
-  if (input.token !== undefined) {
-    bodyParams["token"] = input.token;
-  }
-  if (input.type !== undefined) {
-    bodyParams["type"] = input.type;
-  }
-  return bodyParams;
+  return {
+    ...(input.description !== undefined && { description: input.description }),
+    ...(input.issuesEnabled !== undefined && {
+      issuesEnabled: input.issuesEnabled
+    }),
+    ...(input.name !== undefined && { name: input.name }),
+    ...(input.owner !== undefined && { owner: input.owner }),
+    ...(input.privateRepository !== undefined && {
+      privateRepository: input.privateRepository
+    }),
+    ...(input.token !== undefined && { token: input.token }),
+    ...(input.type !== undefined && { type: input.type })
+  };
 };
 
 const serializeAws_json1_1ListProjectsRequest = (
   input: ListProjectsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.maxResults !== undefined) {
-    bodyParams["maxResults"] = input.maxResults;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.maxResults !== undefined && { maxResults: input.maxResults }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken })
+  };
 };
 
 const serializeAws_json1_1ListResourcesRequest = (
   input: ListResourcesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.maxResults !== undefined) {
-    bodyParams["maxResults"] = input.maxResults;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  if (input.projectId !== undefined) {
-    bodyParams["projectId"] = input.projectId;
-  }
-  return bodyParams;
+  return {
+    ...(input.maxResults !== undefined && { maxResults: input.maxResults }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken }),
+    ...(input.projectId !== undefined && { projectId: input.projectId })
+  };
 };
 
 const serializeAws_json1_1ListTagsForProjectRequest = (
   input: ListTagsForProjectRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.id !== undefined) {
-    bodyParams["id"] = input.id;
-  }
-  if (input.maxResults !== undefined) {
-    bodyParams["maxResults"] = input.maxResults;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.id !== undefined && { id: input.id }),
+    ...(input.maxResults !== undefined && { maxResults: input.maxResults }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken })
+  };
 };
 
 const serializeAws_json1_1ListTeamMembersRequest = (
   input: ListTeamMembersRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.maxResults !== undefined) {
-    bodyParams["maxResults"] = input.maxResults;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  if (input.projectId !== undefined) {
-    bodyParams["projectId"] = input.projectId;
-  }
-  return bodyParams;
+  return {
+    ...(input.maxResults !== undefined && { maxResults: input.maxResults }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken }),
+    ...(input.projectId !== undefined && { projectId: input.projectId })
+  };
 };
 
 const serializeAws_json1_1ListUserProfilesRequest = (
   input: ListUserProfilesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.maxResults !== undefined) {
-    bodyParams["maxResults"] = input.maxResults;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.maxResults !== undefined && { maxResults: input.maxResults }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken })
+  };
 };
 
 const serializeAws_json1_1S3Location = (
   input: S3Location,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.bucketKey !== undefined) {
-    bodyParams["bucketKey"] = input.bucketKey;
-  }
-  if (input.bucketName !== undefined) {
-    bodyParams["bucketName"] = input.bucketName;
-  }
-  return bodyParams;
+  return {
+    ...(input.bucketKey !== undefined && { bucketKey: input.bucketKey }),
+    ...(input.bucketName !== undefined && { bucketName: input.bucketName })
+  };
 };
 
 const serializeAws_json1_1SourceCode = (
@@ -2580,14 +2496,12 @@ const serializeAws_json1_1TagProjectRequest = (
   input: TagProjectRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.id !== undefined) {
-    bodyParams["id"] = input.id;
-  }
-  if (input.tags !== undefined) {
-    bodyParams["tags"] = serializeAws_json1_1Tags(input.tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.id !== undefined && { id: input.id }),
+    ...(input.tags !== undefined && {
+      tags: serializeAws_json1_1Tags(input.tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1Tags = (
@@ -2614,105 +2528,82 @@ const serializeAws_json1_1Toolchain = (
   input: Toolchain,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.roleArn !== undefined) {
-    bodyParams["roleArn"] = input.roleArn;
-  }
-  if (input.source !== undefined) {
-    bodyParams["source"] = serializeAws_json1_1ToolchainSource(
-      input.source,
-      context
-    );
-  }
-  if (input.stackParameters !== undefined) {
-    bodyParams["stackParameters"] = serializeAws_json1_1TemplateParameterMap(
-      input.stackParameters,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.roleArn !== undefined && { roleArn: input.roleArn }),
+    ...(input.source !== undefined && {
+      source: serializeAws_json1_1ToolchainSource(input.source, context)
+    }),
+    ...(input.stackParameters !== undefined && {
+      stackParameters: serializeAws_json1_1TemplateParameterMap(
+        input.stackParameters,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1ToolchainSource = (
   input: ToolchainSource,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.s3 !== undefined) {
-    bodyParams["s3"] = serializeAws_json1_1S3Location(input.s3, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.s3 !== undefined && {
+      s3: serializeAws_json1_1S3Location(input.s3, context)
+    })
+  };
 };
 
 const serializeAws_json1_1UntagProjectRequest = (
   input: UntagProjectRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.id !== undefined) {
-    bodyParams["id"] = input.id;
-  }
-  if (input.tags !== undefined) {
-    bodyParams["tags"] = serializeAws_json1_1TagKeys(input.tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.id !== undefined && { id: input.id }),
+    ...(input.tags !== undefined && {
+      tags: serializeAws_json1_1TagKeys(input.tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateProjectRequest = (
   input: UpdateProjectRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.description !== undefined) {
-    bodyParams["description"] = input.description;
-  }
-  if (input.id !== undefined) {
-    bodyParams["id"] = input.id;
-  }
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  return bodyParams;
+  return {
+    ...(input.description !== undefined && { description: input.description }),
+    ...(input.id !== undefined && { id: input.id }),
+    ...(input.name !== undefined && { name: input.name })
+  };
 };
 
 const serializeAws_json1_1UpdateTeamMemberRequest = (
   input: UpdateTeamMemberRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.projectId !== undefined) {
-    bodyParams["projectId"] = input.projectId;
-  }
-  if (input.projectRole !== undefined) {
-    bodyParams["projectRole"] = input.projectRole;
-  }
-  if (input.remoteAccessAllowed !== undefined) {
-    bodyParams["remoteAccessAllowed"] = input.remoteAccessAllowed;
-  }
-  if (input.userArn !== undefined) {
-    bodyParams["userArn"] = input.userArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.projectId !== undefined && { projectId: input.projectId }),
+    ...(input.projectRole !== undefined && { projectRole: input.projectRole }),
+    ...(input.remoteAccessAllowed !== undefined && {
+      remoteAccessAllowed: input.remoteAccessAllowed
+    }),
+    ...(input.userArn !== undefined && { userArn: input.userArn })
+  };
 };
 
 const serializeAws_json1_1UpdateUserProfileRequest = (
   input: UpdateUserProfileRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.displayName !== undefined) {
-    bodyParams["displayName"] = input.displayName;
-  }
-  if (input.emailAddress !== undefined) {
-    bodyParams["emailAddress"] = input.emailAddress;
-  }
-  if (input.sshPublicKey !== undefined) {
-    bodyParams["sshPublicKey"] = input.sshPublicKey;
-  }
-  if (input.userArn !== undefined) {
-    bodyParams["userArn"] = input.userArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.displayName !== undefined && { displayName: input.displayName }),
+    ...(input.emailAddress !== undefined && {
+      emailAddress: input.emailAddress
+    }),
+    ...(input.sshPublicKey !== undefined && {
+      sshPublicKey: input.sshPublicKey
+    }),
+    ...(input.userArn !== undefined && { userArn: input.userArn })
+  };
 };
 
 const deserializeAws_json1_1AssociateTeamMemberResult = (
diff --git a/clients/client-cognito-identity-provider/protocols/Aws_json1_1.ts b/clients/client-cognito-identity-provider/protocols/Aws_json1_1.ts
index 74aaed041c46..8a1cab9dce04 100644
--- a/clients/client-cognito-identity-provider/protocols/Aws_json1_1.ts
+++ b/clients/client-cognito-identity-provider/protocols/Aws_json1_1.ts
@@ -16437,691 +16437,534 @@ const serializeAws_json1_1AccountRecoverySettingType = (
   input: AccountRecoverySettingType,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.RecoveryMechanisms !== undefined) {
-    bodyParams[
-      "RecoveryMechanisms"
-    ] = serializeAws_json1_1RecoveryMechanismsType(
-      input.RecoveryMechanisms,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.RecoveryMechanisms !== undefined && {
+      RecoveryMechanisms: serializeAws_json1_1RecoveryMechanismsType(
+        input.RecoveryMechanisms,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1AccountTakeoverActionType = (
   input: AccountTakeoverActionType,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EventAction !== undefined) {
-    bodyParams["EventAction"] = input.EventAction;
-  }
-  if (input.Notify !== undefined) {
-    bodyParams["Notify"] = input.Notify;
-  }
-  return bodyParams;
+  return {
+    ...(input.EventAction !== undefined && { EventAction: input.EventAction }),
+    ...(input.Notify !== undefined && { Notify: input.Notify })
+  };
 };
 
 const serializeAws_json1_1AccountTakeoverActionsType = (
   input: AccountTakeoverActionsType,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.HighAction !== undefined) {
-    bodyParams["HighAction"] = serializeAws_json1_1AccountTakeoverActionType(
-      input.HighAction,
-      context
-    );
-  }
-  if (input.LowAction !== undefined) {
-    bodyParams["LowAction"] = serializeAws_json1_1AccountTakeoverActionType(
-      input.LowAction,
-      context
-    );
-  }
-  if (input.MediumAction !== undefined) {
-    bodyParams["MediumAction"] = serializeAws_json1_1AccountTakeoverActionType(
-      input.MediumAction,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.HighAction !== undefined && {
+      HighAction: serializeAws_json1_1AccountTakeoverActionType(
+        input.HighAction,
+        context
+      )
+    }),
+    ...(input.LowAction !== undefined && {
+      LowAction: serializeAws_json1_1AccountTakeoverActionType(
+        input.LowAction,
+        context
+      )
+    }),
+    ...(input.MediumAction !== undefined && {
+      MediumAction: serializeAws_json1_1AccountTakeoverActionType(
+        input.MediumAction,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1AccountTakeoverRiskConfigurationType = (
   input: AccountTakeoverRiskConfigurationType,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Actions !== undefined) {
-    bodyParams["Actions"] = serializeAws_json1_1AccountTakeoverActionsType(
-      input.Actions,
-      context
-    );
-  }
-  if (input.NotifyConfiguration !== undefined) {
-    bodyParams[
-      "NotifyConfiguration"
-    ] = serializeAws_json1_1NotifyConfigurationType(
-      input.NotifyConfiguration,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Actions !== undefined && {
+      Actions: serializeAws_json1_1AccountTakeoverActionsType(
+        input.Actions,
+        context
+      )
+    }),
+    ...(input.NotifyConfiguration !== undefined && {
+      NotifyConfiguration: serializeAws_json1_1NotifyConfigurationType(
+        input.NotifyConfiguration,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1AddCustomAttributesRequest = (
   input: AddCustomAttributesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CustomAttributes !== undefined) {
-    bodyParams[
-      "CustomAttributes"
-    ] = serializeAws_json1_1CustomAttributesListType(
-      input.CustomAttributes,
-      context
-    );
-  }
-  if (input.UserPoolId !== undefined) {
-    bodyParams["UserPoolId"] = input.UserPoolId;
-  }
-  return bodyParams;
+  return {
+    ...(input.CustomAttributes !== undefined && {
+      CustomAttributes: serializeAws_json1_1CustomAttributesListType(
+        input.CustomAttributes,
+        context
+      )
+    }),
+    ...(input.UserPoolId !== undefined && { UserPoolId: input.UserPoolId })
+  };
 };
 
 const serializeAws_json1_1AdminAddUserToGroupRequest = (
   input: AdminAddUserToGroupRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.GroupName !== undefined) {
-    bodyParams["GroupName"] = input.GroupName;
-  }
-  if (input.UserPoolId !== undefined) {
-    bodyParams["UserPoolId"] = input.UserPoolId;
-  }
-  if (input.Username !== undefined) {
-    bodyParams["Username"] = input.Username;
-  }
-  return bodyParams;
+  return {
+    ...(input.GroupName !== undefined && { GroupName: input.GroupName }),
+    ...(input.UserPoolId !== undefined && { UserPoolId: input.UserPoolId }),
+    ...(input.Username !== undefined && { Username: input.Username })
+  };
 };
 
 const serializeAws_json1_1AdminConfirmSignUpRequest = (
   input: AdminConfirmSignUpRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ClientMetadata !== undefined) {
-    bodyParams["ClientMetadata"] = serializeAws_json1_1ClientMetadataType(
-      input.ClientMetadata,
-      context
-    );
-  }
-  if (input.UserPoolId !== undefined) {
-    bodyParams["UserPoolId"] = input.UserPoolId;
-  }
-  if (input.Username !== undefined) {
-    bodyParams["Username"] = input.Username;
-  }
-  return bodyParams;
+  return {
+    ...(input.ClientMetadata !== undefined && {
+      ClientMetadata: serializeAws_json1_1ClientMetadataType(
+        input.ClientMetadata,
+        context
+      )
+    }),
+    ...(input.UserPoolId !== undefined && { UserPoolId: input.UserPoolId }),
+    ...(input.Username !== undefined && { Username: input.Username })
+  };
 };
 
 const serializeAws_json1_1AdminCreateUserConfigType = (
   input: AdminCreateUserConfigType,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AllowAdminCreateUserOnly !== undefined) {
-    bodyParams["AllowAdminCreateUserOnly"] = input.AllowAdminCreateUserOnly;
-  }
-  if (input.InviteMessageTemplate !== undefined) {
-    bodyParams[
-      "InviteMessageTemplate"
-    ] = serializeAws_json1_1MessageTemplateType(
-      input.InviteMessageTemplate,
-      context
-    );
-  }
-  if (input.UnusedAccountValidityDays !== undefined) {
-    bodyParams["UnusedAccountValidityDays"] = input.UnusedAccountValidityDays;
-  }
-  return bodyParams;
+  return {
+    ...(input.AllowAdminCreateUserOnly !== undefined && {
+      AllowAdminCreateUserOnly: input.AllowAdminCreateUserOnly
+    }),
+    ...(input.InviteMessageTemplate !== undefined && {
+      InviteMessageTemplate: serializeAws_json1_1MessageTemplateType(
+        input.InviteMessageTemplate,
+        context
+      )
+    }),
+    ...(input.UnusedAccountValidityDays !== undefined && {
+      UnusedAccountValidityDays: input.UnusedAccountValidityDays
+    })
+  };
 };
 
 const serializeAws_json1_1AdminCreateUserRequest = (
   input: AdminCreateUserRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ClientMetadata !== undefined) {
-    bodyParams["ClientMetadata"] = serializeAws_json1_1ClientMetadataType(
-      input.ClientMetadata,
-      context
-    );
-  }
-  if (input.DesiredDeliveryMediums !== undefined) {
-    bodyParams[
-      "DesiredDeliveryMediums"
-    ] = serializeAws_json1_1DeliveryMediumListType(
-      input.DesiredDeliveryMediums,
-      context
-    );
-  }
-  if (input.ForceAliasCreation !== undefined) {
-    bodyParams["ForceAliasCreation"] = input.ForceAliasCreation;
-  }
-  if (input.MessageAction !== undefined) {
-    bodyParams["MessageAction"] = input.MessageAction;
-  }
-  if (input.TemporaryPassword !== undefined) {
-    bodyParams["TemporaryPassword"] = input.TemporaryPassword;
-  }
-  if (input.UserAttributes !== undefined) {
-    bodyParams["UserAttributes"] = serializeAws_json1_1AttributeListType(
-      input.UserAttributes,
-      context
-    );
-  }
-  if (input.UserPoolId !== undefined) {
-    bodyParams["UserPoolId"] = input.UserPoolId;
-  }
-  if (input.Username !== undefined) {
-    bodyParams["Username"] = input.Username;
-  }
-  if (input.ValidationData !== undefined) {
-    bodyParams["ValidationData"] = serializeAws_json1_1AttributeListType(
-      input.ValidationData,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ClientMetadata !== undefined && {
+      ClientMetadata: serializeAws_json1_1ClientMetadataType(
+        input.ClientMetadata,
+        context
+      )
+    }),
+    ...(input.DesiredDeliveryMediums !== undefined && {
+      DesiredDeliveryMediums: serializeAws_json1_1DeliveryMediumListType(
+        input.DesiredDeliveryMediums,
+        context
+      )
+    }),
+    ...(input.ForceAliasCreation !== undefined && {
+      ForceAliasCreation: input.ForceAliasCreation
+    }),
+    ...(input.MessageAction !== undefined && {
+      MessageAction: input.MessageAction
+    }),
+    ...(input.TemporaryPassword !== undefined && {
+      TemporaryPassword: input.TemporaryPassword
+    }),
+    ...(input.UserAttributes !== undefined && {
+      UserAttributes: serializeAws_json1_1AttributeListType(
+        input.UserAttributes,
+        context
+      )
+    }),
+    ...(input.UserPoolId !== undefined && { UserPoolId: input.UserPoolId }),
+    ...(input.Username !== undefined && { Username: input.Username }),
+    ...(input.ValidationData !== undefined && {
+      ValidationData: serializeAws_json1_1AttributeListType(
+        input.ValidationData,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1AdminDeleteUserAttributesRequest = (
   input: AdminDeleteUserAttributesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.UserAttributeNames !== undefined) {
-    bodyParams[
-      "UserAttributeNames"
-    ] = serializeAws_json1_1AttributeNameListType(
-      input.UserAttributeNames,
-      context
-    );
-  }
-  if (input.UserPoolId !== undefined) {
-    bodyParams["UserPoolId"] = input.UserPoolId;
-  }
-  if (input.Username !== undefined) {
-    bodyParams["Username"] = input.Username;
-  }
-  return bodyParams;
+  return {
+    ...(input.UserAttributeNames !== undefined && {
+      UserAttributeNames: serializeAws_json1_1AttributeNameListType(
+        input.UserAttributeNames,
+        context
+      )
+    }),
+    ...(input.UserPoolId !== undefined && { UserPoolId: input.UserPoolId }),
+    ...(input.Username !== undefined && { Username: input.Username })
+  };
 };
 
 const serializeAws_json1_1AdminDeleteUserRequest = (
   input: AdminDeleteUserRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.UserPoolId !== undefined) {
-    bodyParams["UserPoolId"] = input.UserPoolId;
-  }
-  if (input.Username !== undefined) {
-    bodyParams["Username"] = input.Username;
-  }
-  return bodyParams;
+  return {
+    ...(input.UserPoolId !== undefined && { UserPoolId: input.UserPoolId }),
+    ...(input.Username !== undefined && { Username: input.Username })
+  };
 };
 
 const serializeAws_json1_1AdminDisableProviderForUserRequest = (
   input: AdminDisableProviderForUserRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.User !== undefined) {
-    bodyParams["User"] = serializeAws_json1_1ProviderUserIdentifierType(
-      input.User,
-      context
-    );
-  }
-  if (input.UserPoolId !== undefined) {
-    bodyParams["UserPoolId"] = input.UserPoolId;
-  }
-  return bodyParams;
+  return {
+    ...(input.User !== undefined && {
+      User: serializeAws_json1_1ProviderUserIdentifierType(input.User, context)
+    }),
+    ...(input.UserPoolId !== undefined && { UserPoolId: input.UserPoolId })
+  };
 };
 
 const serializeAws_json1_1AdminDisableUserRequest = (
   input: AdminDisableUserRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.UserPoolId !== undefined) {
-    bodyParams["UserPoolId"] = input.UserPoolId;
-  }
-  if (input.Username !== undefined) {
-    bodyParams["Username"] = input.Username;
-  }
-  return bodyParams;
+  return {
+    ...(input.UserPoolId !== undefined && { UserPoolId: input.UserPoolId }),
+    ...(input.Username !== undefined && { Username: input.Username })
+  };
 };
 
 const serializeAws_json1_1AdminEnableUserRequest = (
   input: AdminEnableUserRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.UserPoolId !== undefined) {
-    bodyParams["UserPoolId"] = input.UserPoolId;
-  }
-  if (input.Username !== undefined) {
-    bodyParams["Username"] = input.Username;
-  }
-  return bodyParams;
+  return {
+    ...(input.UserPoolId !== undefined && { UserPoolId: input.UserPoolId }),
+    ...(input.Username !== undefined && { Username: input.Username })
+  };
 };
 
 const serializeAws_json1_1AdminForgetDeviceRequest = (
   input: AdminForgetDeviceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DeviceKey !== undefined) {
-    bodyParams["DeviceKey"] = input.DeviceKey;
-  }
-  if (input.UserPoolId !== undefined) {
-    bodyParams["UserPoolId"] = input.UserPoolId;
-  }
-  if (input.Username !== undefined) {
-    bodyParams["Username"] = input.Username;
-  }
-  return bodyParams;
+  return {
+    ...(input.DeviceKey !== undefined && { DeviceKey: input.DeviceKey }),
+    ...(input.UserPoolId !== undefined && { UserPoolId: input.UserPoolId }),
+    ...(input.Username !== undefined && { Username: input.Username })
+  };
 };
 
 const serializeAws_json1_1AdminGetDeviceRequest = (
   input: AdminGetDeviceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DeviceKey !== undefined) {
-    bodyParams["DeviceKey"] = input.DeviceKey;
-  }
-  if (input.UserPoolId !== undefined) {
-    bodyParams["UserPoolId"] = input.UserPoolId;
-  }
-  if (input.Username !== undefined) {
-    bodyParams["Username"] = input.Username;
-  }
-  return bodyParams;
+  return {
+    ...(input.DeviceKey !== undefined && { DeviceKey: input.DeviceKey }),
+    ...(input.UserPoolId !== undefined && { UserPoolId: input.UserPoolId }),
+    ...(input.Username !== undefined && { Username: input.Username })
+  };
 };
 
 const serializeAws_json1_1AdminGetUserRequest = (
   input: AdminGetUserRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.UserPoolId !== undefined) {
-    bodyParams["UserPoolId"] = input.UserPoolId;
-  }
-  if (input.Username !== undefined) {
-    bodyParams["Username"] = input.Username;
-  }
-  return bodyParams;
+  return {
+    ...(input.UserPoolId !== undefined && { UserPoolId: input.UserPoolId }),
+    ...(input.Username !== undefined && { Username: input.Username })
+  };
 };
 
 const serializeAws_json1_1AdminInitiateAuthRequest = (
   input: AdminInitiateAuthRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AnalyticsMetadata !== undefined) {
-    bodyParams["AnalyticsMetadata"] = serializeAws_json1_1AnalyticsMetadataType(
-      input.AnalyticsMetadata,
-      context
-    );
-  }
-  if (input.AuthFlow !== undefined) {
-    bodyParams["AuthFlow"] = input.AuthFlow;
-  }
-  if (input.AuthParameters !== undefined) {
-    bodyParams["AuthParameters"] = serializeAws_json1_1AuthParametersType(
-      input.AuthParameters,
-      context
-    );
-  }
-  if (input.ClientId !== undefined) {
-    bodyParams["ClientId"] = input.ClientId;
-  }
-  if (input.ClientMetadata !== undefined) {
-    bodyParams["ClientMetadata"] = serializeAws_json1_1ClientMetadataType(
-      input.ClientMetadata,
-      context
-    );
-  }
-  if (input.ContextData !== undefined) {
-    bodyParams["ContextData"] = serializeAws_json1_1ContextDataType(
-      input.ContextData,
-      context
-    );
-  }
-  if (input.UserPoolId !== undefined) {
-    bodyParams["UserPoolId"] = input.UserPoolId;
-  }
-  return bodyParams;
+  return {
+    ...(input.AnalyticsMetadata !== undefined && {
+      AnalyticsMetadata: serializeAws_json1_1AnalyticsMetadataType(
+        input.AnalyticsMetadata,
+        context
+      )
+    }),
+    ...(input.AuthFlow !== undefined && { AuthFlow: input.AuthFlow }),
+    ...(input.AuthParameters !== undefined && {
+      AuthParameters: serializeAws_json1_1AuthParametersType(
+        input.AuthParameters,
+        context
+      )
+    }),
+    ...(input.ClientId !== undefined && { ClientId: input.ClientId }),
+    ...(input.ClientMetadata !== undefined && {
+      ClientMetadata: serializeAws_json1_1ClientMetadataType(
+        input.ClientMetadata,
+        context
+      )
+    }),
+    ...(input.ContextData !== undefined && {
+      ContextData: serializeAws_json1_1ContextDataType(
+        input.ContextData,
+        context
+      )
+    }),
+    ...(input.UserPoolId !== undefined && { UserPoolId: input.UserPoolId })
+  };
 };
 
 const serializeAws_json1_1AdminLinkProviderForUserRequest = (
   input: AdminLinkProviderForUserRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DestinationUser !== undefined) {
-    bodyParams[
-      "DestinationUser"
-    ] = serializeAws_json1_1ProviderUserIdentifierType(
-      input.DestinationUser,
-      context
-    );
-  }
-  if (input.SourceUser !== undefined) {
-    bodyParams["SourceUser"] = serializeAws_json1_1ProviderUserIdentifierType(
-      input.SourceUser,
-      context
-    );
-  }
-  if (input.UserPoolId !== undefined) {
-    bodyParams["UserPoolId"] = input.UserPoolId;
-  }
-  return bodyParams;
+  return {
+    ...(input.DestinationUser !== undefined && {
+      DestinationUser: serializeAws_json1_1ProviderUserIdentifierType(
+        input.DestinationUser,
+        context
+      )
+    }),
+    ...(input.SourceUser !== undefined && {
+      SourceUser: serializeAws_json1_1ProviderUserIdentifierType(
+        input.SourceUser,
+        context
+      )
+    }),
+    ...(input.UserPoolId !== undefined && { UserPoolId: input.UserPoolId })
+  };
 };
 
 const serializeAws_json1_1AdminListDevicesRequest = (
   input: AdminListDevicesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.PaginationToken !== undefined) {
-    bodyParams["PaginationToken"] = input.PaginationToken;
-  }
-  if (input.UserPoolId !== undefined) {
-    bodyParams["UserPoolId"] = input.UserPoolId;
-  }
-  if (input.Username !== undefined) {
-    bodyParams["Username"] = input.Username;
-  }
-  return bodyParams;
+  return {
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.PaginationToken !== undefined && {
+      PaginationToken: input.PaginationToken
+    }),
+    ...(input.UserPoolId !== undefined && { UserPoolId: input.UserPoolId }),
+    ...(input.Username !== undefined && { Username: input.Username })
+  };
 };
 
 const serializeAws_json1_1AdminListGroupsForUserRequest = (
   input: AdminListGroupsForUserRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.UserPoolId !== undefined) {
-    bodyParams["UserPoolId"] = input.UserPoolId;
-  }
-  if (input.Username !== undefined) {
-    bodyParams["Username"] = input.Username;
-  }
-  return bodyParams;
+  return {
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.UserPoolId !== undefined && { UserPoolId: input.UserPoolId }),
+    ...(input.Username !== undefined && { Username: input.Username })
+  };
 };
 
 const serializeAws_json1_1AdminListUserAuthEventsRequest = (
   input: AdminListUserAuthEventsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.UserPoolId !== undefined) {
-    bodyParams["UserPoolId"] = input.UserPoolId;
-  }
-  if (input.Username !== undefined) {
-    bodyParams["Username"] = input.Username;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.UserPoolId !== undefined && { UserPoolId: input.UserPoolId }),
+    ...(input.Username !== undefined && { Username: input.Username })
+  };
 };
 
 const serializeAws_json1_1AdminRemoveUserFromGroupRequest = (
   input: AdminRemoveUserFromGroupRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.GroupName !== undefined) {
-    bodyParams["GroupName"] = input.GroupName;
-  }
-  if (input.UserPoolId !== undefined) {
-    bodyParams["UserPoolId"] = input.UserPoolId;
-  }
-  if (input.Username !== undefined) {
-    bodyParams["Username"] = input.Username;
-  }
-  return bodyParams;
+  return {
+    ...(input.GroupName !== undefined && { GroupName: input.GroupName }),
+    ...(input.UserPoolId !== undefined && { UserPoolId: input.UserPoolId }),
+    ...(input.Username !== undefined && { Username: input.Username })
+  };
 };
 
 const serializeAws_json1_1AdminResetUserPasswordRequest = (
   input: AdminResetUserPasswordRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ClientMetadata !== undefined) {
-    bodyParams["ClientMetadata"] = serializeAws_json1_1ClientMetadataType(
-      input.ClientMetadata,
-      context
-    );
-  }
-  if (input.UserPoolId !== undefined) {
-    bodyParams["UserPoolId"] = input.UserPoolId;
-  }
-  if (input.Username !== undefined) {
-    bodyParams["Username"] = input.Username;
-  }
-  return bodyParams;
+  return {
+    ...(input.ClientMetadata !== undefined && {
+      ClientMetadata: serializeAws_json1_1ClientMetadataType(
+        input.ClientMetadata,
+        context
+      )
+    }),
+    ...(input.UserPoolId !== undefined && { UserPoolId: input.UserPoolId }),
+    ...(input.Username !== undefined && { Username: input.Username })
+  };
 };
 
 const serializeAws_json1_1AdminRespondToAuthChallengeRequest = (
   input: AdminRespondToAuthChallengeRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AnalyticsMetadata !== undefined) {
-    bodyParams["AnalyticsMetadata"] = serializeAws_json1_1AnalyticsMetadataType(
-      input.AnalyticsMetadata,
-      context
-    );
-  }
-  if (input.ChallengeName !== undefined) {
-    bodyParams["ChallengeName"] = input.ChallengeName;
-  }
-  if (input.ChallengeResponses !== undefined) {
-    bodyParams[
-      "ChallengeResponses"
-    ] = serializeAws_json1_1ChallengeResponsesType(
-      input.ChallengeResponses,
-      context
-    );
-  }
-  if (input.ClientId !== undefined) {
-    bodyParams["ClientId"] = input.ClientId;
-  }
-  if (input.ClientMetadata !== undefined) {
-    bodyParams["ClientMetadata"] = serializeAws_json1_1ClientMetadataType(
-      input.ClientMetadata,
-      context
-    );
-  }
-  if (input.ContextData !== undefined) {
-    bodyParams["ContextData"] = serializeAws_json1_1ContextDataType(
-      input.ContextData,
-      context
-    );
-  }
-  if (input.Session !== undefined) {
-    bodyParams["Session"] = input.Session;
-  }
-  if (input.UserPoolId !== undefined) {
-    bodyParams["UserPoolId"] = input.UserPoolId;
-  }
-  return bodyParams;
+  return {
+    ...(input.AnalyticsMetadata !== undefined && {
+      AnalyticsMetadata: serializeAws_json1_1AnalyticsMetadataType(
+        input.AnalyticsMetadata,
+        context
+      )
+    }),
+    ...(input.ChallengeName !== undefined && {
+      ChallengeName: input.ChallengeName
+    }),
+    ...(input.ChallengeResponses !== undefined && {
+      ChallengeResponses: serializeAws_json1_1ChallengeResponsesType(
+        input.ChallengeResponses,
+        context
+      )
+    }),
+    ...(input.ClientId !== undefined && { ClientId: input.ClientId }),
+    ...(input.ClientMetadata !== undefined && {
+      ClientMetadata: serializeAws_json1_1ClientMetadataType(
+        input.ClientMetadata,
+        context
+      )
+    }),
+    ...(input.ContextData !== undefined && {
+      ContextData: serializeAws_json1_1ContextDataType(
+        input.ContextData,
+        context
+      )
+    }),
+    ...(input.Session !== undefined && { Session: input.Session }),
+    ...(input.UserPoolId !== undefined && { UserPoolId: input.UserPoolId })
+  };
 };
 
 const serializeAws_json1_1AdminSetUserMFAPreferenceRequest = (
   input: AdminSetUserMFAPreferenceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.SMSMfaSettings !== undefined) {
-    bodyParams["SMSMfaSettings"] = serializeAws_json1_1SMSMfaSettingsType(
-      input.SMSMfaSettings,
-      context
-    );
-  }
-  if (input.SoftwareTokenMfaSettings !== undefined) {
-    bodyParams[
-      "SoftwareTokenMfaSettings"
-    ] = serializeAws_json1_1SoftwareTokenMfaSettingsType(
-      input.SoftwareTokenMfaSettings,
-      context
-    );
-  }
-  if (input.UserPoolId !== undefined) {
-    bodyParams["UserPoolId"] = input.UserPoolId;
-  }
-  if (input.Username !== undefined) {
-    bodyParams["Username"] = input.Username;
-  }
-  return bodyParams;
+  return {
+    ...(input.SMSMfaSettings !== undefined && {
+      SMSMfaSettings: serializeAws_json1_1SMSMfaSettingsType(
+        input.SMSMfaSettings,
+        context
+      )
+    }),
+    ...(input.SoftwareTokenMfaSettings !== undefined && {
+      SoftwareTokenMfaSettings: serializeAws_json1_1SoftwareTokenMfaSettingsType(
+        input.SoftwareTokenMfaSettings,
+        context
+      )
+    }),
+    ...(input.UserPoolId !== undefined && { UserPoolId: input.UserPoolId }),
+    ...(input.Username !== undefined && { Username: input.Username })
+  };
 };
 
 const serializeAws_json1_1AdminSetUserPasswordRequest = (
   input: AdminSetUserPasswordRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Password !== undefined) {
-    bodyParams["Password"] = input.Password;
-  }
-  if (input.Permanent !== undefined) {
-    bodyParams["Permanent"] = input.Permanent;
-  }
-  if (input.UserPoolId !== undefined) {
-    bodyParams["UserPoolId"] = input.UserPoolId;
-  }
-  if (input.Username !== undefined) {
-    bodyParams["Username"] = input.Username;
-  }
-  return bodyParams;
+  return {
+    ...(input.Password !== undefined && { Password: input.Password }),
+    ...(input.Permanent !== undefined && { Permanent: input.Permanent }),
+    ...(input.UserPoolId !== undefined && { UserPoolId: input.UserPoolId }),
+    ...(input.Username !== undefined && { Username: input.Username })
+  };
 };
 
 const serializeAws_json1_1AdminSetUserSettingsRequest = (
   input: AdminSetUserSettingsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MFAOptions !== undefined) {
-    bodyParams["MFAOptions"] = serializeAws_json1_1MFAOptionListType(
-      input.MFAOptions,
-      context
-    );
-  }
-  if (input.UserPoolId !== undefined) {
-    bodyParams["UserPoolId"] = input.UserPoolId;
-  }
-  if (input.Username !== undefined) {
-    bodyParams["Username"] = input.Username;
-  }
-  return bodyParams;
+  return {
+    ...(input.MFAOptions !== undefined && {
+      MFAOptions: serializeAws_json1_1MFAOptionListType(
+        input.MFAOptions,
+        context
+      )
+    }),
+    ...(input.UserPoolId !== undefined && { UserPoolId: input.UserPoolId }),
+    ...(input.Username !== undefined && { Username: input.Username })
+  };
 };
 
 const serializeAws_json1_1AdminUpdateAuthEventFeedbackRequest = (
   input: AdminUpdateAuthEventFeedbackRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EventId !== undefined) {
-    bodyParams["EventId"] = input.EventId;
-  }
-  if (input.FeedbackValue !== undefined) {
-    bodyParams["FeedbackValue"] = input.FeedbackValue;
-  }
-  if (input.UserPoolId !== undefined) {
-    bodyParams["UserPoolId"] = input.UserPoolId;
-  }
-  if (input.Username !== undefined) {
-    bodyParams["Username"] = input.Username;
-  }
-  return bodyParams;
+  return {
+    ...(input.EventId !== undefined && { EventId: input.EventId }),
+    ...(input.FeedbackValue !== undefined && {
+      FeedbackValue: input.FeedbackValue
+    }),
+    ...(input.UserPoolId !== undefined && { UserPoolId: input.UserPoolId }),
+    ...(input.Username !== undefined && { Username: input.Username })
+  };
 };
 
 const serializeAws_json1_1AdminUpdateDeviceStatusRequest = (
   input: AdminUpdateDeviceStatusRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DeviceKey !== undefined) {
-    bodyParams["DeviceKey"] = input.DeviceKey;
-  }
-  if (input.DeviceRememberedStatus !== undefined) {
-    bodyParams["DeviceRememberedStatus"] = input.DeviceRememberedStatus;
-  }
-  if (input.UserPoolId !== undefined) {
-    bodyParams["UserPoolId"] = input.UserPoolId;
-  }
-  if (input.Username !== undefined) {
-    bodyParams["Username"] = input.Username;
-  }
-  return bodyParams;
+  return {
+    ...(input.DeviceKey !== undefined && { DeviceKey: input.DeviceKey }),
+    ...(input.DeviceRememberedStatus !== undefined && {
+      DeviceRememberedStatus: input.DeviceRememberedStatus
+    }),
+    ...(input.UserPoolId !== undefined && { UserPoolId: input.UserPoolId }),
+    ...(input.Username !== undefined && { Username: input.Username })
+  };
 };
 
 const serializeAws_json1_1AdminUpdateUserAttributesRequest = (
   input: AdminUpdateUserAttributesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ClientMetadata !== undefined) {
-    bodyParams["ClientMetadata"] = serializeAws_json1_1ClientMetadataType(
-      input.ClientMetadata,
-      context
-    );
-  }
-  if (input.UserAttributes !== undefined) {
-    bodyParams["UserAttributes"] = serializeAws_json1_1AttributeListType(
-      input.UserAttributes,
-      context
-    );
-  }
-  if (input.UserPoolId !== undefined) {
-    bodyParams["UserPoolId"] = input.UserPoolId;
-  }
-  if (input.Username !== undefined) {
-    bodyParams["Username"] = input.Username;
-  }
-  return bodyParams;
+  return {
+    ...(input.ClientMetadata !== undefined && {
+      ClientMetadata: serializeAws_json1_1ClientMetadataType(
+        input.ClientMetadata,
+        context
+      )
+    }),
+    ...(input.UserAttributes !== undefined && {
+      UserAttributes: serializeAws_json1_1AttributeListType(
+        input.UserAttributes,
+        context
+      )
+    }),
+    ...(input.UserPoolId !== undefined && { UserPoolId: input.UserPoolId }),
+    ...(input.Username !== undefined && { Username: input.Username })
+  };
 };
 
 const serializeAws_json1_1AdminUserGlobalSignOutRequest = (
   input: AdminUserGlobalSignOutRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.UserPoolId !== undefined) {
-    bodyParams["UserPoolId"] = input.UserPoolId;
-  }
-  if (input.Username !== undefined) {
-    bodyParams["Username"] = input.Username;
-  }
-  return bodyParams;
+  return {
+    ...(input.UserPoolId !== undefined && { UserPoolId: input.UserPoolId }),
+    ...(input.Username !== undefined && { Username: input.Username })
+  };
 };
 
 const serializeAws_json1_1AliasAttributesListType = (
@@ -17135,45 +16978,37 @@ const serializeAws_json1_1AnalyticsConfigurationType = (
   input: AnalyticsConfigurationType,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ApplicationId !== undefined) {
-    bodyParams["ApplicationId"] = input.ApplicationId;
-  }
-  if (input.ExternalId !== undefined) {
-    bodyParams["ExternalId"] = input.ExternalId;
-  }
-  if (input.RoleArn !== undefined) {
-    bodyParams["RoleArn"] = input.RoleArn;
-  }
-  if (input.UserDataShared !== undefined) {
-    bodyParams["UserDataShared"] = input.UserDataShared;
-  }
-  return bodyParams;
+  return {
+    ...(input.ApplicationId !== undefined && {
+      ApplicationId: input.ApplicationId
+    }),
+    ...(input.ExternalId !== undefined && { ExternalId: input.ExternalId }),
+    ...(input.RoleArn !== undefined && { RoleArn: input.RoleArn }),
+    ...(input.UserDataShared !== undefined && {
+      UserDataShared: input.UserDataShared
+    })
+  };
 };
 
 const serializeAws_json1_1AnalyticsMetadataType = (
   input: AnalyticsMetadataType,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AnalyticsEndpointId !== undefined) {
-    bodyParams["AnalyticsEndpointId"] = input.AnalyticsEndpointId;
-  }
-  return bodyParams;
+  return {
+    ...(input.AnalyticsEndpointId !== undefined && {
+      AnalyticsEndpointId: input.AnalyticsEndpointId
+    })
+  };
 };
 
 const serializeAws_json1_1AssociateSoftwareTokenRequest = (
   input: AssociateSoftwareTokenRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AccessToken !== undefined) {
-    bodyParams["AccessToken"] = input.AccessToken;
-  }
-  if (input.Session !== undefined) {
-    bodyParams["Session"] = input.Session;
-  }
-  return bodyParams;
+  return {
+    ...(input.AccessToken !== undefined && { AccessToken: input.AccessToken }),
+    ...(input.Session !== undefined && { Session: input.Session })
+  };
 };
 
 const serializeAws_json1_1AttributeListType = (
@@ -17204,14 +17039,10 @@ const serializeAws_json1_1AttributeType = (
   input: AttributeType,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.Value !== undefined) {
-    bodyParams["Value"] = input.Value;
-  }
-  return bodyParams;
+  return {
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.Value !== undefined && { Value: input.Value })
+  };
 };
 
 const serializeAws_json1_1AuthParametersType = (
@@ -17252,17 +17083,15 @@ const serializeAws_json1_1ChangePasswordRequest = (
   input: ChangePasswordRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AccessToken !== undefined) {
-    bodyParams["AccessToken"] = input.AccessToken;
-  }
-  if (input.PreviousPassword !== undefined) {
-    bodyParams["PreviousPassword"] = input.PreviousPassword;
-  }
-  if (input.ProposedPassword !== undefined) {
-    bodyParams["ProposedPassword"] = input.ProposedPassword;
-  }
-  return bodyParams;
+  return {
+    ...(input.AccessToken !== undefined && { AccessToken: input.AccessToken }),
+    ...(input.PreviousPassword !== undefined && {
+      PreviousPassword: input.PreviousPassword
+    }),
+    ...(input.ProposedPassword !== undefined && {
+      ProposedPassword: input.ProposedPassword
+    })
+  };
 };
 
 const serializeAws_json1_1ClientMetadataType = (
@@ -17286,502 +17115,408 @@ const serializeAws_json1_1CompromisedCredentialsActionsType = (
   input: CompromisedCredentialsActionsType,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EventAction !== undefined) {
-    bodyParams["EventAction"] = input.EventAction;
-  }
-  return bodyParams;
+  return {
+    ...(input.EventAction !== undefined && { EventAction: input.EventAction })
+  };
 };
 
 const serializeAws_json1_1CompromisedCredentialsRiskConfigurationType = (
   input: CompromisedCredentialsRiskConfigurationType,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Actions !== undefined) {
-    bodyParams[
-      "Actions"
-    ] = serializeAws_json1_1CompromisedCredentialsActionsType(
-      input.Actions,
-      context
-    );
-  }
-  if (input.EventFilter !== undefined) {
-    bodyParams["EventFilter"] = serializeAws_json1_1EventFiltersType(
-      input.EventFilter,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Actions !== undefined && {
+      Actions: serializeAws_json1_1CompromisedCredentialsActionsType(
+        input.Actions,
+        context
+      )
+    }),
+    ...(input.EventFilter !== undefined && {
+      EventFilter: serializeAws_json1_1EventFiltersType(
+        input.EventFilter,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1ConfirmDeviceRequest = (
   input: ConfirmDeviceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AccessToken !== undefined) {
-    bodyParams["AccessToken"] = input.AccessToken;
-  }
-  if (input.DeviceKey !== undefined) {
-    bodyParams["DeviceKey"] = input.DeviceKey;
-  }
-  if (input.DeviceName !== undefined) {
-    bodyParams["DeviceName"] = input.DeviceName;
-  }
-  if (input.DeviceSecretVerifierConfig !== undefined) {
-    bodyParams[
-      "DeviceSecretVerifierConfig"
-    ] = serializeAws_json1_1DeviceSecretVerifierConfigType(
-      input.DeviceSecretVerifierConfig,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.AccessToken !== undefined && { AccessToken: input.AccessToken }),
+    ...(input.DeviceKey !== undefined && { DeviceKey: input.DeviceKey }),
+    ...(input.DeviceName !== undefined && { DeviceName: input.DeviceName }),
+    ...(input.DeviceSecretVerifierConfig !== undefined && {
+      DeviceSecretVerifierConfig: serializeAws_json1_1DeviceSecretVerifierConfigType(
+        input.DeviceSecretVerifierConfig,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1ConfirmForgotPasswordRequest = (
   input: ConfirmForgotPasswordRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AnalyticsMetadata !== undefined) {
-    bodyParams["AnalyticsMetadata"] = serializeAws_json1_1AnalyticsMetadataType(
-      input.AnalyticsMetadata,
-      context
-    );
-  }
-  if (input.ClientId !== undefined) {
-    bodyParams["ClientId"] = input.ClientId;
-  }
-  if (input.ClientMetadata !== undefined) {
-    bodyParams["ClientMetadata"] = serializeAws_json1_1ClientMetadataType(
-      input.ClientMetadata,
-      context
-    );
-  }
-  if (input.ConfirmationCode !== undefined) {
-    bodyParams["ConfirmationCode"] = input.ConfirmationCode;
-  }
-  if (input.Password !== undefined) {
-    bodyParams["Password"] = input.Password;
-  }
-  if (input.SecretHash !== undefined) {
-    bodyParams["SecretHash"] = input.SecretHash;
-  }
-  if (input.UserContextData !== undefined) {
-    bodyParams["UserContextData"] = serializeAws_json1_1UserContextDataType(
-      input.UserContextData,
-      context
-    );
-  }
-  if (input.Username !== undefined) {
-    bodyParams["Username"] = input.Username;
-  }
-  return bodyParams;
+  return {
+    ...(input.AnalyticsMetadata !== undefined && {
+      AnalyticsMetadata: serializeAws_json1_1AnalyticsMetadataType(
+        input.AnalyticsMetadata,
+        context
+      )
+    }),
+    ...(input.ClientId !== undefined && { ClientId: input.ClientId }),
+    ...(input.ClientMetadata !== undefined && {
+      ClientMetadata: serializeAws_json1_1ClientMetadataType(
+        input.ClientMetadata,
+        context
+      )
+    }),
+    ...(input.ConfirmationCode !== undefined && {
+      ConfirmationCode: input.ConfirmationCode
+    }),
+    ...(input.Password !== undefined && { Password: input.Password }),
+    ...(input.SecretHash !== undefined && { SecretHash: input.SecretHash }),
+    ...(input.UserContextData !== undefined && {
+      UserContextData: serializeAws_json1_1UserContextDataType(
+        input.UserContextData,
+        context
+      )
+    }),
+    ...(input.Username !== undefined && { Username: input.Username })
+  };
 };
 
 const serializeAws_json1_1ConfirmSignUpRequest = (
   input: ConfirmSignUpRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AnalyticsMetadata !== undefined) {
-    bodyParams["AnalyticsMetadata"] = serializeAws_json1_1AnalyticsMetadataType(
-      input.AnalyticsMetadata,
-      context
-    );
-  }
-  if (input.ClientId !== undefined) {
-    bodyParams["ClientId"] = input.ClientId;
-  }
-  if (input.ClientMetadata !== undefined) {
-    bodyParams["ClientMetadata"] = serializeAws_json1_1ClientMetadataType(
-      input.ClientMetadata,
-      context
-    );
-  }
-  if (input.ConfirmationCode !== undefined) {
-    bodyParams["ConfirmationCode"] = input.ConfirmationCode;
-  }
-  if (input.ForceAliasCreation !== undefined) {
-    bodyParams["ForceAliasCreation"] = input.ForceAliasCreation;
-  }
-  if (input.SecretHash !== undefined) {
-    bodyParams["SecretHash"] = input.SecretHash;
-  }
-  if (input.UserContextData !== undefined) {
-    bodyParams["UserContextData"] = serializeAws_json1_1UserContextDataType(
-      input.UserContextData,
-      context
-    );
-  }
-  if (input.Username !== undefined) {
-    bodyParams["Username"] = input.Username;
-  }
-  return bodyParams;
+  return {
+    ...(input.AnalyticsMetadata !== undefined && {
+      AnalyticsMetadata: serializeAws_json1_1AnalyticsMetadataType(
+        input.AnalyticsMetadata,
+        context
+      )
+    }),
+    ...(input.ClientId !== undefined && { ClientId: input.ClientId }),
+    ...(input.ClientMetadata !== undefined && {
+      ClientMetadata: serializeAws_json1_1ClientMetadataType(
+        input.ClientMetadata,
+        context
+      )
+    }),
+    ...(input.ConfirmationCode !== undefined && {
+      ConfirmationCode: input.ConfirmationCode
+    }),
+    ...(input.ForceAliasCreation !== undefined && {
+      ForceAliasCreation: input.ForceAliasCreation
+    }),
+    ...(input.SecretHash !== undefined && { SecretHash: input.SecretHash }),
+    ...(input.UserContextData !== undefined && {
+      UserContextData: serializeAws_json1_1UserContextDataType(
+        input.UserContextData,
+        context
+      )
+    }),
+    ...(input.Username !== undefined && { Username: input.Username })
+  };
 };
 
 const serializeAws_json1_1ContextDataType = (
   input: ContextDataType,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EncodedData !== undefined) {
-    bodyParams["EncodedData"] = input.EncodedData;
-  }
-  if (input.HttpHeaders !== undefined) {
-    bodyParams["HttpHeaders"] = serializeAws_json1_1HttpHeaderList(
-      input.HttpHeaders,
-      context
-    );
-  }
-  if (input.IpAddress !== undefined) {
-    bodyParams["IpAddress"] = input.IpAddress;
-  }
-  if (input.ServerName !== undefined) {
-    bodyParams["ServerName"] = input.ServerName;
-  }
-  if (input.ServerPath !== undefined) {
-    bodyParams["ServerPath"] = input.ServerPath;
-  }
-  return bodyParams;
+  return {
+    ...(input.EncodedData !== undefined && { EncodedData: input.EncodedData }),
+    ...(input.HttpHeaders !== undefined && {
+      HttpHeaders: serializeAws_json1_1HttpHeaderList(
+        input.HttpHeaders,
+        context
+      )
+    }),
+    ...(input.IpAddress !== undefined && { IpAddress: input.IpAddress }),
+    ...(input.ServerName !== undefined && { ServerName: input.ServerName }),
+    ...(input.ServerPath !== undefined && { ServerPath: input.ServerPath })
+  };
 };
 
 const serializeAws_json1_1CreateGroupRequest = (
   input: CreateGroupRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.GroupName !== undefined) {
-    bodyParams["GroupName"] = input.GroupName;
-  }
-  if (input.Precedence !== undefined) {
-    bodyParams["Precedence"] = input.Precedence;
-  }
-  if (input.RoleArn !== undefined) {
-    bodyParams["RoleArn"] = input.RoleArn;
-  }
-  if (input.UserPoolId !== undefined) {
-    bodyParams["UserPoolId"] = input.UserPoolId;
-  }
-  return bodyParams;
+  return {
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.GroupName !== undefined && { GroupName: input.GroupName }),
+    ...(input.Precedence !== undefined && { Precedence: input.Precedence }),
+    ...(input.RoleArn !== undefined && { RoleArn: input.RoleArn }),
+    ...(input.UserPoolId !== undefined && { UserPoolId: input.UserPoolId })
+  };
 };
 
 const serializeAws_json1_1CreateIdentityProviderRequest = (
   input: CreateIdentityProviderRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AttributeMapping !== undefined) {
-    bodyParams["AttributeMapping"] = serializeAws_json1_1AttributeMappingType(
-      input.AttributeMapping,
-      context
-    );
-  }
-  if (input.IdpIdentifiers !== undefined) {
-    bodyParams["IdpIdentifiers"] = serializeAws_json1_1IdpIdentifiersListType(
-      input.IdpIdentifiers,
-      context
-    );
-  }
-  if (input.ProviderDetails !== undefined) {
-    bodyParams["ProviderDetails"] = serializeAws_json1_1ProviderDetailsType(
-      input.ProviderDetails,
-      context
-    );
-  }
-  if (input.ProviderName !== undefined) {
-    bodyParams["ProviderName"] = input.ProviderName;
-  }
-  if (input.ProviderType !== undefined) {
-    bodyParams["ProviderType"] = input.ProviderType;
-  }
-  if (input.UserPoolId !== undefined) {
-    bodyParams["UserPoolId"] = input.UserPoolId;
-  }
-  return bodyParams;
+  return {
+    ...(input.AttributeMapping !== undefined && {
+      AttributeMapping: serializeAws_json1_1AttributeMappingType(
+        input.AttributeMapping,
+        context
+      )
+    }),
+    ...(input.IdpIdentifiers !== undefined && {
+      IdpIdentifiers: serializeAws_json1_1IdpIdentifiersListType(
+        input.IdpIdentifiers,
+        context
+      )
+    }),
+    ...(input.ProviderDetails !== undefined && {
+      ProviderDetails: serializeAws_json1_1ProviderDetailsType(
+        input.ProviderDetails,
+        context
+      )
+    }),
+    ...(input.ProviderName !== undefined && {
+      ProviderName: input.ProviderName
+    }),
+    ...(input.ProviderType !== undefined && {
+      ProviderType: input.ProviderType
+    }),
+    ...(input.UserPoolId !== undefined && { UserPoolId: input.UserPoolId })
+  };
 };
 
 const serializeAws_json1_1CreateResourceServerRequest = (
   input: CreateResourceServerRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Identifier !== undefined) {
-    bodyParams["Identifier"] = input.Identifier;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.Scopes !== undefined) {
-    bodyParams["Scopes"] = serializeAws_json1_1ResourceServerScopeListType(
-      input.Scopes,
-      context
-    );
-  }
-  if (input.UserPoolId !== undefined) {
-    bodyParams["UserPoolId"] = input.UserPoolId;
-  }
-  return bodyParams;
+  return {
+    ...(input.Identifier !== undefined && { Identifier: input.Identifier }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.Scopes !== undefined && {
+      Scopes: serializeAws_json1_1ResourceServerScopeListType(
+        input.Scopes,
+        context
+      )
+    }),
+    ...(input.UserPoolId !== undefined && { UserPoolId: input.UserPoolId })
+  };
 };
 
 const serializeAws_json1_1CreateUserImportJobRequest = (
   input: CreateUserImportJobRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CloudWatchLogsRoleArn !== undefined) {
-    bodyParams["CloudWatchLogsRoleArn"] = input.CloudWatchLogsRoleArn;
-  }
-  if (input.JobName !== undefined) {
-    bodyParams["JobName"] = input.JobName;
-  }
-  if (input.UserPoolId !== undefined) {
-    bodyParams["UserPoolId"] = input.UserPoolId;
-  }
-  return bodyParams;
+  return {
+    ...(input.CloudWatchLogsRoleArn !== undefined && {
+      CloudWatchLogsRoleArn: input.CloudWatchLogsRoleArn
+    }),
+    ...(input.JobName !== undefined && { JobName: input.JobName }),
+    ...(input.UserPoolId !== undefined && { UserPoolId: input.UserPoolId })
+  };
 };
 
 const serializeAws_json1_1CreateUserPoolClientRequest = (
   input: CreateUserPoolClientRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AllowedOAuthFlows !== undefined) {
-    bodyParams["AllowedOAuthFlows"] = serializeAws_json1_1OAuthFlowsType(
-      input.AllowedOAuthFlows,
-      context
-    );
-  }
-  if (input.AllowedOAuthFlowsUserPoolClient !== undefined) {
-    bodyParams["AllowedOAuthFlowsUserPoolClient"] =
-      input.AllowedOAuthFlowsUserPoolClient;
-  }
-  if (input.AllowedOAuthScopes !== undefined) {
-    bodyParams["AllowedOAuthScopes"] = serializeAws_json1_1ScopeListType(
-      input.AllowedOAuthScopes,
-      context
-    );
-  }
-  if (input.AnalyticsConfiguration !== undefined) {
-    bodyParams[
-      "AnalyticsConfiguration"
-    ] = serializeAws_json1_1AnalyticsConfigurationType(
-      input.AnalyticsConfiguration,
-      context
-    );
-  }
-  if (input.CallbackURLs !== undefined) {
-    bodyParams["CallbackURLs"] = serializeAws_json1_1CallbackURLsListType(
-      input.CallbackURLs,
-      context
-    );
-  }
-  if (input.ClientName !== undefined) {
-    bodyParams["ClientName"] = input.ClientName;
-  }
-  if (input.DefaultRedirectURI !== undefined) {
-    bodyParams["DefaultRedirectURI"] = input.DefaultRedirectURI;
-  }
-  if (input.ExplicitAuthFlows !== undefined) {
-    bodyParams[
-      "ExplicitAuthFlows"
-    ] = serializeAws_json1_1ExplicitAuthFlowsListType(
-      input.ExplicitAuthFlows,
-      context
-    );
-  }
-  if (input.GenerateSecret !== undefined) {
-    bodyParams["GenerateSecret"] = input.GenerateSecret;
-  }
-  if (input.LogoutURLs !== undefined) {
-    bodyParams["LogoutURLs"] = serializeAws_json1_1LogoutURLsListType(
-      input.LogoutURLs,
-      context
-    );
-  }
-  if (input.PreventUserExistenceErrors !== undefined) {
-    bodyParams["PreventUserExistenceErrors"] = input.PreventUserExistenceErrors;
-  }
-  if (input.ReadAttributes !== undefined) {
-    bodyParams["ReadAttributes"] = serializeAws_json1_1ClientPermissionListType(
-      input.ReadAttributes,
-      context
-    );
-  }
-  if (input.RefreshTokenValidity !== undefined) {
-    bodyParams["RefreshTokenValidity"] = input.RefreshTokenValidity;
-  }
-  if (input.SupportedIdentityProviders !== undefined) {
-    bodyParams[
-      "SupportedIdentityProviders"
-    ] = serializeAws_json1_1SupportedIdentityProvidersListType(
-      input.SupportedIdentityProviders,
-      context
-    );
-  }
-  if (input.UserPoolId !== undefined) {
-    bodyParams["UserPoolId"] = input.UserPoolId;
-  }
-  if (input.WriteAttributes !== undefined) {
-    bodyParams[
-      "WriteAttributes"
-    ] = serializeAws_json1_1ClientPermissionListType(
-      input.WriteAttributes,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.AllowedOAuthFlows !== undefined && {
+      AllowedOAuthFlows: serializeAws_json1_1OAuthFlowsType(
+        input.AllowedOAuthFlows,
+        context
+      )
+    }),
+    ...(input.AllowedOAuthFlowsUserPoolClient !== undefined && {
+      AllowedOAuthFlowsUserPoolClient: input.AllowedOAuthFlowsUserPoolClient
+    }),
+    ...(input.AllowedOAuthScopes !== undefined && {
+      AllowedOAuthScopes: serializeAws_json1_1ScopeListType(
+        input.AllowedOAuthScopes,
+        context
+      )
+    }),
+    ...(input.AnalyticsConfiguration !== undefined && {
+      AnalyticsConfiguration: serializeAws_json1_1AnalyticsConfigurationType(
+        input.AnalyticsConfiguration,
+        context
+      )
+    }),
+    ...(input.CallbackURLs !== undefined && {
+      CallbackURLs: serializeAws_json1_1CallbackURLsListType(
+        input.CallbackURLs,
+        context
+      )
+    }),
+    ...(input.ClientName !== undefined && { ClientName: input.ClientName }),
+    ...(input.DefaultRedirectURI !== undefined && {
+      DefaultRedirectURI: input.DefaultRedirectURI
+    }),
+    ...(input.ExplicitAuthFlows !== undefined && {
+      ExplicitAuthFlows: serializeAws_json1_1ExplicitAuthFlowsListType(
+        input.ExplicitAuthFlows,
+        context
+      )
+    }),
+    ...(input.GenerateSecret !== undefined && {
+      GenerateSecret: input.GenerateSecret
+    }),
+    ...(input.LogoutURLs !== undefined && {
+      LogoutURLs: serializeAws_json1_1LogoutURLsListType(
+        input.LogoutURLs,
+        context
+      )
+    }),
+    ...(input.PreventUserExistenceErrors !== undefined && {
+      PreventUserExistenceErrors: input.PreventUserExistenceErrors
+    }),
+    ...(input.ReadAttributes !== undefined && {
+      ReadAttributes: serializeAws_json1_1ClientPermissionListType(
+        input.ReadAttributes,
+        context
+      )
+    }),
+    ...(input.RefreshTokenValidity !== undefined && {
+      RefreshTokenValidity: input.RefreshTokenValidity
+    }),
+    ...(input.SupportedIdentityProviders !== undefined && {
+      SupportedIdentityProviders: serializeAws_json1_1SupportedIdentityProvidersListType(
+        input.SupportedIdentityProviders,
+        context
+      )
+    }),
+    ...(input.UserPoolId !== undefined && { UserPoolId: input.UserPoolId }),
+    ...(input.WriteAttributes !== undefined && {
+      WriteAttributes: serializeAws_json1_1ClientPermissionListType(
+        input.WriteAttributes,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1CreateUserPoolDomainRequest = (
   input: CreateUserPoolDomainRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CustomDomainConfig !== undefined) {
-    bodyParams[
-      "CustomDomainConfig"
-    ] = serializeAws_json1_1CustomDomainConfigType(
-      input.CustomDomainConfig,
-      context
-    );
-  }
-  if (input.Domain !== undefined) {
-    bodyParams["Domain"] = input.Domain;
-  }
-  if (input.UserPoolId !== undefined) {
-    bodyParams["UserPoolId"] = input.UserPoolId;
-  }
-  return bodyParams;
+  return {
+    ...(input.CustomDomainConfig !== undefined && {
+      CustomDomainConfig: serializeAws_json1_1CustomDomainConfigType(
+        input.CustomDomainConfig,
+        context
+      )
+    }),
+    ...(input.Domain !== undefined && { Domain: input.Domain }),
+    ...(input.UserPoolId !== undefined && { UserPoolId: input.UserPoolId })
+  };
 };
 
 const serializeAws_json1_1CreateUserPoolRequest = (
   input: CreateUserPoolRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AccountRecoverySetting !== undefined) {
-    bodyParams[
-      "AccountRecoverySetting"
-    ] = serializeAws_json1_1AccountRecoverySettingType(
-      input.AccountRecoverySetting,
-      context
-    );
-  }
-  if (input.AdminCreateUserConfig !== undefined) {
-    bodyParams[
-      "AdminCreateUserConfig"
-    ] = serializeAws_json1_1AdminCreateUserConfigType(
-      input.AdminCreateUserConfig,
-      context
-    );
-  }
-  if (input.AliasAttributes !== undefined) {
-    bodyParams["AliasAttributes"] = serializeAws_json1_1AliasAttributesListType(
-      input.AliasAttributes,
-      context
-    );
-  }
-  if (input.AutoVerifiedAttributes !== undefined) {
-    bodyParams[
-      "AutoVerifiedAttributes"
-    ] = serializeAws_json1_1VerifiedAttributesListType(
-      input.AutoVerifiedAttributes,
-      context
-    );
-  }
-  if (input.DeviceConfiguration !== undefined) {
-    bodyParams[
-      "DeviceConfiguration"
-    ] = serializeAws_json1_1DeviceConfigurationType(
-      input.DeviceConfiguration,
-      context
-    );
-  }
-  if (input.EmailConfiguration !== undefined) {
-    bodyParams[
-      "EmailConfiguration"
-    ] = serializeAws_json1_1EmailConfigurationType(
-      input.EmailConfiguration,
-      context
-    );
-  }
-  if (input.EmailVerificationMessage !== undefined) {
-    bodyParams["EmailVerificationMessage"] = input.EmailVerificationMessage;
-  }
-  if (input.EmailVerificationSubject !== undefined) {
-    bodyParams["EmailVerificationSubject"] = input.EmailVerificationSubject;
-  }
-  if (input.LambdaConfig !== undefined) {
-    bodyParams["LambdaConfig"] = serializeAws_json1_1LambdaConfigType(
-      input.LambdaConfig,
-      context
-    );
-  }
-  if (input.MfaConfiguration !== undefined) {
-    bodyParams["MfaConfiguration"] = input.MfaConfiguration;
-  }
-  if (input.Policies !== undefined) {
-    bodyParams["Policies"] = serializeAws_json1_1UserPoolPolicyType(
-      input.Policies,
-      context
-    );
-  }
-  if (input.PoolName !== undefined) {
-    bodyParams["PoolName"] = input.PoolName;
-  }
-  if (input.Schema !== undefined) {
-    bodyParams["Schema"] = serializeAws_json1_1SchemaAttributesListType(
-      input.Schema,
-      context
-    );
-  }
-  if (input.SmsAuthenticationMessage !== undefined) {
-    bodyParams["SmsAuthenticationMessage"] = input.SmsAuthenticationMessage;
-  }
-  if (input.SmsConfiguration !== undefined) {
-    bodyParams["SmsConfiguration"] = serializeAws_json1_1SmsConfigurationType(
-      input.SmsConfiguration,
-      context
-    );
-  }
-  if (input.SmsVerificationMessage !== undefined) {
-    bodyParams["SmsVerificationMessage"] = input.SmsVerificationMessage;
-  }
-  if (input.UserPoolAddOns !== undefined) {
-    bodyParams["UserPoolAddOns"] = serializeAws_json1_1UserPoolAddOnsType(
-      input.UserPoolAddOns,
-      context
-    );
-  }
-  if (input.UserPoolTags !== undefined) {
-    bodyParams["UserPoolTags"] = serializeAws_json1_1UserPoolTagsType(
-      input.UserPoolTags,
-      context
-    );
-  }
-  if (input.UsernameAttributes !== undefined) {
-    bodyParams[
-      "UsernameAttributes"
-    ] = serializeAws_json1_1UsernameAttributesListType(
-      input.UsernameAttributes,
-      context
-    );
-  }
-  if (input.VerificationMessageTemplate !== undefined) {
-    bodyParams[
-      "VerificationMessageTemplate"
-    ] = serializeAws_json1_1VerificationMessageTemplateType(
-      input.VerificationMessageTemplate,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.AccountRecoverySetting !== undefined && {
+      AccountRecoverySetting: serializeAws_json1_1AccountRecoverySettingType(
+        input.AccountRecoverySetting,
+        context
+      )
+    }),
+    ...(input.AdminCreateUserConfig !== undefined && {
+      AdminCreateUserConfig: serializeAws_json1_1AdminCreateUserConfigType(
+        input.AdminCreateUserConfig,
+        context
+      )
+    }),
+    ...(input.AliasAttributes !== undefined && {
+      AliasAttributes: serializeAws_json1_1AliasAttributesListType(
+        input.AliasAttributes,
+        context
+      )
+    }),
+    ...(input.AutoVerifiedAttributes !== undefined && {
+      AutoVerifiedAttributes: serializeAws_json1_1VerifiedAttributesListType(
+        input.AutoVerifiedAttributes,
+        context
+      )
+    }),
+    ...(input.DeviceConfiguration !== undefined && {
+      DeviceConfiguration: serializeAws_json1_1DeviceConfigurationType(
+        input.DeviceConfiguration,
+        context
+      )
+    }),
+    ...(input.EmailConfiguration !== undefined && {
+      EmailConfiguration: serializeAws_json1_1EmailConfigurationType(
+        input.EmailConfiguration,
+        context
+      )
+    }),
+    ...(input.EmailVerificationMessage !== undefined && {
+      EmailVerificationMessage: input.EmailVerificationMessage
+    }),
+    ...(input.EmailVerificationSubject !== undefined && {
+      EmailVerificationSubject: input.EmailVerificationSubject
+    }),
+    ...(input.LambdaConfig !== undefined && {
+      LambdaConfig: serializeAws_json1_1LambdaConfigType(
+        input.LambdaConfig,
+        context
+      )
+    }),
+    ...(input.MfaConfiguration !== undefined && {
+      MfaConfiguration: input.MfaConfiguration
+    }),
+    ...(input.Policies !== undefined && {
+      Policies: serializeAws_json1_1UserPoolPolicyType(input.Policies, context)
+    }),
+    ...(input.PoolName !== undefined && { PoolName: input.PoolName }),
+    ...(input.Schema !== undefined && {
+      Schema: serializeAws_json1_1SchemaAttributesListType(
+        input.Schema,
+        context
+      )
+    }),
+    ...(input.SmsAuthenticationMessage !== undefined && {
+      SmsAuthenticationMessage: input.SmsAuthenticationMessage
+    }),
+    ...(input.SmsConfiguration !== undefined && {
+      SmsConfiguration: serializeAws_json1_1SmsConfigurationType(
+        input.SmsConfiguration,
+        context
+      )
+    }),
+    ...(input.SmsVerificationMessage !== undefined && {
+      SmsVerificationMessage: input.SmsVerificationMessage
+    }),
+    ...(input.UserPoolAddOns !== undefined && {
+      UserPoolAddOns: serializeAws_json1_1UserPoolAddOnsType(
+        input.UserPoolAddOns,
+        context
+      )
+    }),
+    ...(input.UserPoolTags !== undefined && {
+      UserPoolTags: serializeAws_json1_1UserPoolTagsType(
+        input.UserPoolTags,
+        context
+      )
+    }),
+    ...(input.UsernameAttributes !== undefined && {
+      UsernameAttributes: serializeAws_json1_1UsernameAttributesListType(
+        input.UsernameAttributes,
+        context
+      )
+    }),
+    ...(input.VerificationMessageTemplate !== undefined && {
+      VerificationMessageTemplate: serializeAws_json1_1VerificationMessageTemplateType(
+        input.VerificationMessageTemplate,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1CustomAttributesListType = (
@@ -17797,122 +17532,96 @@ const serializeAws_json1_1CustomDomainConfigType = (
   input: CustomDomainConfigType,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CertificateArn !== undefined) {
-    bodyParams["CertificateArn"] = input.CertificateArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.CertificateArn !== undefined && {
+      CertificateArn: input.CertificateArn
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteGroupRequest = (
   input: DeleteGroupRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.GroupName !== undefined) {
-    bodyParams["GroupName"] = input.GroupName;
-  }
-  if (input.UserPoolId !== undefined) {
-    bodyParams["UserPoolId"] = input.UserPoolId;
-  }
-  return bodyParams;
+  return {
+    ...(input.GroupName !== undefined && { GroupName: input.GroupName }),
+    ...(input.UserPoolId !== undefined && { UserPoolId: input.UserPoolId })
+  };
 };
 
 const serializeAws_json1_1DeleteIdentityProviderRequest = (
   input: DeleteIdentityProviderRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ProviderName !== undefined) {
-    bodyParams["ProviderName"] = input.ProviderName;
-  }
-  if (input.UserPoolId !== undefined) {
-    bodyParams["UserPoolId"] = input.UserPoolId;
-  }
-  return bodyParams;
+  return {
+    ...(input.ProviderName !== undefined && {
+      ProviderName: input.ProviderName
+    }),
+    ...(input.UserPoolId !== undefined && { UserPoolId: input.UserPoolId })
+  };
 };
 
 const serializeAws_json1_1DeleteResourceServerRequest = (
   input: DeleteResourceServerRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Identifier !== undefined) {
-    bodyParams["Identifier"] = input.Identifier;
-  }
-  if (input.UserPoolId !== undefined) {
-    bodyParams["UserPoolId"] = input.UserPoolId;
-  }
-  return bodyParams;
+  return {
+    ...(input.Identifier !== undefined && { Identifier: input.Identifier }),
+    ...(input.UserPoolId !== undefined && { UserPoolId: input.UserPoolId })
+  };
 };
 
 const serializeAws_json1_1DeleteUserAttributesRequest = (
   input: DeleteUserAttributesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AccessToken !== undefined) {
-    bodyParams["AccessToken"] = input.AccessToken;
-  }
-  if (input.UserAttributeNames !== undefined) {
-    bodyParams[
-      "UserAttributeNames"
-    ] = serializeAws_json1_1AttributeNameListType(
-      input.UserAttributeNames,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.AccessToken !== undefined && { AccessToken: input.AccessToken }),
+    ...(input.UserAttributeNames !== undefined && {
+      UserAttributeNames: serializeAws_json1_1AttributeNameListType(
+        input.UserAttributeNames,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteUserPoolClientRequest = (
   input: DeleteUserPoolClientRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ClientId !== undefined) {
-    bodyParams["ClientId"] = input.ClientId;
-  }
-  if (input.UserPoolId !== undefined) {
-    bodyParams["UserPoolId"] = input.UserPoolId;
-  }
-  return bodyParams;
+  return {
+    ...(input.ClientId !== undefined && { ClientId: input.ClientId }),
+    ...(input.UserPoolId !== undefined && { UserPoolId: input.UserPoolId })
+  };
 };
 
 const serializeAws_json1_1DeleteUserPoolDomainRequest = (
   input: DeleteUserPoolDomainRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Domain !== undefined) {
-    bodyParams["Domain"] = input.Domain;
-  }
-  if (input.UserPoolId !== undefined) {
-    bodyParams["UserPoolId"] = input.UserPoolId;
-  }
-  return bodyParams;
+  return {
+    ...(input.Domain !== undefined && { Domain: input.Domain }),
+    ...(input.UserPoolId !== undefined && { UserPoolId: input.UserPoolId })
+  };
 };
 
 const serializeAws_json1_1DeleteUserPoolRequest = (
   input: DeleteUserPoolRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.UserPoolId !== undefined) {
-    bodyParams["UserPoolId"] = input.UserPoolId;
-  }
-  return bodyParams;
+  return {
+    ...(input.UserPoolId !== undefined && { UserPoolId: input.UserPoolId })
+  };
 };
 
 const serializeAws_json1_1DeleteUserRequest = (
   input: DeleteUserRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AccessToken !== undefined) {
-    bodyParams["AccessToken"] = input.AccessToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.AccessToken !== undefined && { AccessToken: input.AccessToken })
+  };
 };
 
 const serializeAws_json1_1DeliveryMediumListType = (
@@ -17926,145 +17635,115 @@ const serializeAws_json1_1DescribeIdentityProviderRequest = (
   input: DescribeIdentityProviderRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ProviderName !== undefined) {
-    bodyParams["ProviderName"] = input.ProviderName;
-  }
-  if (input.UserPoolId !== undefined) {
-    bodyParams["UserPoolId"] = input.UserPoolId;
-  }
-  return bodyParams;
+  return {
+    ...(input.ProviderName !== undefined && {
+      ProviderName: input.ProviderName
+    }),
+    ...(input.UserPoolId !== undefined && { UserPoolId: input.UserPoolId })
+  };
 };
 
 const serializeAws_json1_1DescribeResourceServerRequest = (
   input: DescribeResourceServerRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Identifier !== undefined) {
-    bodyParams["Identifier"] = input.Identifier;
-  }
-  if (input.UserPoolId !== undefined) {
-    bodyParams["UserPoolId"] = input.UserPoolId;
-  }
-  return bodyParams;
+  return {
+    ...(input.Identifier !== undefined && { Identifier: input.Identifier }),
+    ...(input.UserPoolId !== undefined && { UserPoolId: input.UserPoolId })
+  };
 };
 
 const serializeAws_json1_1DescribeRiskConfigurationRequest = (
   input: DescribeRiskConfigurationRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ClientId !== undefined) {
-    bodyParams["ClientId"] = input.ClientId;
-  }
-  if (input.UserPoolId !== undefined) {
-    bodyParams["UserPoolId"] = input.UserPoolId;
-  }
-  return bodyParams;
+  return {
+    ...(input.ClientId !== undefined && { ClientId: input.ClientId }),
+    ...(input.UserPoolId !== undefined && { UserPoolId: input.UserPoolId })
+  };
 };
 
 const serializeAws_json1_1DescribeUserImportJobRequest = (
   input: DescribeUserImportJobRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.JobId !== undefined) {
-    bodyParams["JobId"] = input.JobId;
-  }
-  if (input.UserPoolId !== undefined) {
-    bodyParams["UserPoolId"] = input.UserPoolId;
-  }
-  return bodyParams;
+  return {
+    ...(input.JobId !== undefined && { JobId: input.JobId }),
+    ...(input.UserPoolId !== undefined && { UserPoolId: input.UserPoolId })
+  };
 };
 
 const serializeAws_json1_1DescribeUserPoolClientRequest = (
   input: DescribeUserPoolClientRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ClientId !== undefined) {
-    bodyParams["ClientId"] = input.ClientId;
-  }
-  if (input.UserPoolId !== undefined) {
-    bodyParams["UserPoolId"] = input.UserPoolId;
-  }
-  return bodyParams;
+  return {
+    ...(input.ClientId !== undefined && { ClientId: input.ClientId }),
+    ...(input.UserPoolId !== undefined && { UserPoolId: input.UserPoolId })
+  };
 };
 
 const serializeAws_json1_1DescribeUserPoolDomainRequest = (
   input: DescribeUserPoolDomainRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Domain !== undefined) {
-    bodyParams["Domain"] = input.Domain;
-  }
-  return bodyParams;
+  return {
+    ...(input.Domain !== undefined && { Domain: input.Domain })
+  };
 };
 
 const serializeAws_json1_1DescribeUserPoolRequest = (
   input: DescribeUserPoolRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.UserPoolId !== undefined) {
-    bodyParams["UserPoolId"] = input.UserPoolId;
-  }
-  return bodyParams;
+  return {
+    ...(input.UserPoolId !== undefined && { UserPoolId: input.UserPoolId })
+  };
 };
 
 const serializeAws_json1_1DeviceConfigurationType = (
   input: DeviceConfigurationType,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ChallengeRequiredOnNewDevice !== undefined) {
-    bodyParams["ChallengeRequiredOnNewDevice"] =
-      input.ChallengeRequiredOnNewDevice;
-  }
-  if (input.DeviceOnlyRememberedOnUserPrompt !== undefined) {
-    bodyParams["DeviceOnlyRememberedOnUserPrompt"] =
-      input.DeviceOnlyRememberedOnUserPrompt;
-  }
-  return bodyParams;
+  return {
+    ...(input.ChallengeRequiredOnNewDevice !== undefined && {
+      ChallengeRequiredOnNewDevice: input.ChallengeRequiredOnNewDevice
+    }),
+    ...(input.DeviceOnlyRememberedOnUserPrompt !== undefined && {
+      DeviceOnlyRememberedOnUserPrompt: input.DeviceOnlyRememberedOnUserPrompt
+    })
+  };
 };
 
 const serializeAws_json1_1DeviceSecretVerifierConfigType = (
   input: DeviceSecretVerifierConfigType,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.PasswordVerifier !== undefined) {
-    bodyParams["PasswordVerifier"] = input.PasswordVerifier;
-  }
-  if (input.Salt !== undefined) {
-    bodyParams["Salt"] = input.Salt;
-  }
-  return bodyParams;
+  return {
+    ...(input.PasswordVerifier !== undefined && {
+      PasswordVerifier: input.PasswordVerifier
+    }),
+    ...(input.Salt !== undefined && { Salt: input.Salt })
+  };
 };
 
 const serializeAws_json1_1EmailConfigurationType = (
   input: EmailConfigurationType,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ConfigurationSet !== undefined) {
-    bodyParams["ConfigurationSet"] = input.ConfigurationSet;
-  }
-  if (input.EmailSendingAccount !== undefined) {
-    bodyParams["EmailSendingAccount"] = input.EmailSendingAccount;
-  }
-  if (input.From !== undefined) {
-    bodyParams["From"] = input.From;
-  }
-  if (input.ReplyToEmailAddress !== undefined) {
-    bodyParams["ReplyToEmailAddress"] = input.ReplyToEmailAddress;
-  }
-  if (input.SourceArn !== undefined) {
-    bodyParams["SourceArn"] = input.SourceArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.ConfigurationSet !== undefined && {
+      ConfigurationSet: input.ConfigurationSet
+    }),
+    ...(input.EmailSendingAccount !== undefined && {
+      EmailSendingAccount: input.EmailSendingAccount
+    }),
+    ...(input.From !== undefined && { From: input.From }),
+    ...(input.ReplyToEmailAddress !== undefined && {
+      ReplyToEmailAddress: input.ReplyToEmailAddress
+    }),
+    ...(input.SourceArn !== undefined && { SourceArn: input.SourceArn })
+  };
 };
 
 const serializeAws_json1_1EventFiltersType = (
@@ -18085,194 +17764,154 @@ const serializeAws_json1_1ForgetDeviceRequest = (
   input: ForgetDeviceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AccessToken !== undefined) {
-    bodyParams["AccessToken"] = input.AccessToken;
-  }
-  if (input.DeviceKey !== undefined) {
-    bodyParams["DeviceKey"] = input.DeviceKey;
-  }
-  return bodyParams;
+  return {
+    ...(input.AccessToken !== undefined && { AccessToken: input.AccessToken }),
+    ...(input.DeviceKey !== undefined && { DeviceKey: input.DeviceKey })
+  };
 };
 
 const serializeAws_json1_1ForgotPasswordRequest = (
   input: ForgotPasswordRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AnalyticsMetadata !== undefined) {
-    bodyParams["AnalyticsMetadata"] = serializeAws_json1_1AnalyticsMetadataType(
-      input.AnalyticsMetadata,
-      context
-    );
-  }
-  if (input.ClientId !== undefined) {
-    bodyParams["ClientId"] = input.ClientId;
-  }
-  if (input.ClientMetadata !== undefined) {
-    bodyParams["ClientMetadata"] = serializeAws_json1_1ClientMetadataType(
-      input.ClientMetadata,
-      context
-    );
-  }
-  if (input.SecretHash !== undefined) {
-    bodyParams["SecretHash"] = input.SecretHash;
-  }
-  if (input.UserContextData !== undefined) {
-    bodyParams["UserContextData"] = serializeAws_json1_1UserContextDataType(
-      input.UserContextData,
-      context
-    );
-  }
-  if (input.Username !== undefined) {
-    bodyParams["Username"] = input.Username;
-  }
-  return bodyParams;
+  return {
+    ...(input.AnalyticsMetadata !== undefined && {
+      AnalyticsMetadata: serializeAws_json1_1AnalyticsMetadataType(
+        input.AnalyticsMetadata,
+        context
+      )
+    }),
+    ...(input.ClientId !== undefined && { ClientId: input.ClientId }),
+    ...(input.ClientMetadata !== undefined && {
+      ClientMetadata: serializeAws_json1_1ClientMetadataType(
+        input.ClientMetadata,
+        context
+      )
+    }),
+    ...(input.SecretHash !== undefined && { SecretHash: input.SecretHash }),
+    ...(input.UserContextData !== undefined && {
+      UserContextData: serializeAws_json1_1UserContextDataType(
+        input.UserContextData,
+        context
+      )
+    }),
+    ...(input.Username !== undefined && { Username: input.Username })
+  };
 };
 
 const serializeAws_json1_1GetCSVHeaderRequest = (
   input: GetCSVHeaderRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.UserPoolId !== undefined) {
-    bodyParams["UserPoolId"] = input.UserPoolId;
-  }
-  return bodyParams;
+  return {
+    ...(input.UserPoolId !== undefined && { UserPoolId: input.UserPoolId })
+  };
 };
 
 const serializeAws_json1_1GetDeviceRequest = (
   input: GetDeviceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AccessToken !== undefined) {
-    bodyParams["AccessToken"] = input.AccessToken;
-  }
-  if (input.DeviceKey !== undefined) {
-    bodyParams["DeviceKey"] = input.DeviceKey;
-  }
-  return bodyParams;
+  return {
+    ...(input.AccessToken !== undefined && { AccessToken: input.AccessToken }),
+    ...(input.DeviceKey !== undefined && { DeviceKey: input.DeviceKey })
+  };
 };
 
 const serializeAws_json1_1GetGroupRequest = (
   input: GetGroupRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.GroupName !== undefined) {
-    bodyParams["GroupName"] = input.GroupName;
-  }
-  if (input.UserPoolId !== undefined) {
-    bodyParams["UserPoolId"] = input.UserPoolId;
-  }
-  return bodyParams;
+  return {
+    ...(input.GroupName !== undefined && { GroupName: input.GroupName }),
+    ...(input.UserPoolId !== undefined && { UserPoolId: input.UserPoolId })
+  };
 };
 
 const serializeAws_json1_1GetIdentityProviderByIdentifierRequest = (
   input: GetIdentityProviderByIdentifierRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.IdpIdentifier !== undefined) {
-    bodyParams["IdpIdentifier"] = input.IdpIdentifier;
-  }
-  if (input.UserPoolId !== undefined) {
-    bodyParams["UserPoolId"] = input.UserPoolId;
-  }
-  return bodyParams;
+  return {
+    ...(input.IdpIdentifier !== undefined && {
+      IdpIdentifier: input.IdpIdentifier
+    }),
+    ...(input.UserPoolId !== undefined && { UserPoolId: input.UserPoolId })
+  };
 };
 
 const serializeAws_json1_1GetSigningCertificateRequest = (
   input: GetSigningCertificateRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.UserPoolId !== undefined) {
-    bodyParams["UserPoolId"] = input.UserPoolId;
-  }
-  return bodyParams;
+  return {
+    ...(input.UserPoolId !== undefined && { UserPoolId: input.UserPoolId })
+  };
 };
 
 const serializeAws_json1_1GetUICustomizationRequest = (
   input: GetUICustomizationRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ClientId !== undefined) {
-    bodyParams["ClientId"] = input.ClientId;
-  }
-  if (input.UserPoolId !== undefined) {
-    bodyParams["UserPoolId"] = input.UserPoolId;
-  }
-  return bodyParams;
+  return {
+    ...(input.ClientId !== undefined && { ClientId: input.ClientId }),
+    ...(input.UserPoolId !== undefined && { UserPoolId: input.UserPoolId })
+  };
 };
 
 const serializeAws_json1_1GetUserAttributeVerificationCodeRequest = (
   input: GetUserAttributeVerificationCodeRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AccessToken !== undefined) {
-    bodyParams["AccessToken"] = input.AccessToken;
-  }
-  if (input.AttributeName !== undefined) {
-    bodyParams["AttributeName"] = input.AttributeName;
-  }
-  if (input.ClientMetadata !== undefined) {
-    bodyParams["ClientMetadata"] = serializeAws_json1_1ClientMetadataType(
-      input.ClientMetadata,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.AccessToken !== undefined && { AccessToken: input.AccessToken }),
+    ...(input.AttributeName !== undefined && {
+      AttributeName: input.AttributeName
+    }),
+    ...(input.ClientMetadata !== undefined && {
+      ClientMetadata: serializeAws_json1_1ClientMetadataType(
+        input.ClientMetadata,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1GetUserPoolMfaConfigRequest = (
   input: GetUserPoolMfaConfigRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.UserPoolId !== undefined) {
-    bodyParams["UserPoolId"] = input.UserPoolId;
-  }
-  return bodyParams;
+  return {
+    ...(input.UserPoolId !== undefined && { UserPoolId: input.UserPoolId })
+  };
 };
 
 const serializeAws_json1_1GetUserRequest = (
   input: GetUserRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AccessToken !== undefined) {
-    bodyParams["AccessToken"] = input.AccessToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.AccessToken !== undefined && { AccessToken: input.AccessToken })
+  };
 };
 
 const serializeAws_json1_1GlobalSignOutRequest = (
   input: GlobalSignOutRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AccessToken !== undefined) {
-    bodyParams["AccessToken"] = input.AccessToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.AccessToken !== undefined && { AccessToken: input.AccessToken })
+  };
 };
 
 const serializeAws_json1_1HttpHeader = (
   input: HttpHeader,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.headerName !== undefined) {
-    bodyParams["headerName"] = input.headerName;
-  }
-  if (input.headerValue !== undefined) {
-    bodyParams["headerValue"] = input.headerValue;
-  }
-  return bodyParams;
+  return {
+    ...(input.headerName !== undefined && { headerName: input.headerName }),
+    ...(input.headerValue !== undefined && { headerValue: input.headerValue })
+  };
 };
 
 const serializeAws_json1_1HttpHeaderList = (
@@ -18293,252 +17932,191 @@ const serializeAws_json1_1InitiateAuthRequest = (
   input: InitiateAuthRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AnalyticsMetadata !== undefined) {
-    bodyParams["AnalyticsMetadata"] = serializeAws_json1_1AnalyticsMetadataType(
-      input.AnalyticsMetadata,
-      context
-    );
-  }
-  if (input.AuthFlow !== undefined) {
-    bodyParams["AuthFlow"] = input.AuthFlow;
-  }
-  if (input.AuthParameters !== undefined) {
-    bodyParams["AuthParameters"] = serializeAws_json1_1AuthParametersType(
-      input.AuthParameters,
-      context
-    );
-  }
-  if (input.ClientId !== undefined) {
-    bodyParams["ClientId"] = input.ClientId;
-  }
-  if (input.ClientMetadata !== undefined) {
-    bodyParams["ClientMetadata"] = serializeAws_json1_1ClientMetadataType(
-      input.ClientMetadata,
-      context
-    );
-  }
-  if (input.UserContextData !== undefined) {
-    bodyParams["UserContextData"] = serializeAws_json1_1UserContextDataType(
-      input.UserContextData,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.AnalyticsMetadata !== undefined && {
+      AnalyticsMetadata: serializeAws_json1_1AnalyticsMetadataType(
+        input.AnalyticsMetadata,
+        context
+      )
+    }),
+    ...(input.AuthFlow !== undefined && { AuthFlow: input.AuthFlow }),
+    ...(input.AuthParameters !== undefined && {
+      AuthParameters: serializeAws_json1_1AuthParametersType(
+        input.AuthParameters,
+        context
+      )
+    }),
+    ...(input.ClientId !== undefined && { ClientId: input.ClientId }),
+    ...(input.ClientMetadata !== undefined && {
+      ClientMetadata: serializeAws_json1_1ClientMetadataType(
+        input.ClientMetadata,
+        context
+      )
+    }),
+    ...(input.UserContextData !== undefined && {
+      UserContextData: serializeAws_json1_1UserContextDataType(
+        input.UserContextData,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1LambdaConfigType = (
   input: LambdaConfigType,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CreateAuthChallenge !== undefined) {
-    bodyParams["CreateAuthChallenge"] = input.CreateAuthChallenge;
-  }
-  if (input.CustomMessage !== undefined) {
-    bodyParams["CustomMessage"] = input.CustomMessage;
-  }
-  if (input.DefineAuthChallenge !== undefined) {
-    bodyParams["DefineAuthChallenge"] = input.DefineAuthChallenge;
-  }
-  if (input.PostAuthentication !== undefined) {
-    bodyParams["PostAuthentication"] = input.PostAuthentication;
-  }
-  if (input.PostConfirmation !== undefined) {
-    bodyParams["PostConfirmation"] = input.PostConfirmation;
-  }
-  if (input.PreAuthentication !== undefined) {
-    bodyParams["PreAuthentication"] = input.PreAuthentication;
-  }
-  if (input.PreSignUp !== undefined) {
-    bodyParams["PreSignUp"] = input.PreSignUp;
-  }
-  if (input.PreTokenGeneration !== undefined) {
-    bodyParams["PreTokenGeneration"] = input.PreTokenGeneration;
-  }
-  if (input.UserMigration !== undefined) {
-    bodyParams["UserMigration"] = input.UserMigration;
-  }
-  if (input.VerifyAuthChallengeResponse !== undefined) {
-    bodyParams["VerifyAuthChallengeResponse"] =
-      input.VerifyAuthChallengeResponse;
-  }
-  return bodyParams;
+  return {
+    ...(input.CreateAuthChallenge !== undefined && {
+      CreateAuthChallenge: input.CreateAuthChallenge
+    }),
+    ...(input.CustomMessage !== undefined && {
+      CustomMessage: input.CustomMessage
+    }),
+    ...(input.DefineAuthChallenge !== undefined && {
+      DefineAuthChallenge: input.DefineAuthChallenge
+    }),
+    ...(input.PostAuthentication !== undefined && {
+      PostAuthentication: input.PostAuthentication
+    }),
+    ...(input.PostConfirmation !== undefined && {
+      PostConfirmation: input.PostConfirmation
+    }),
+    ...(input.PreAuthentication !== undefined && {
+      PreAuthentication: input.PreAuthentication
+    }),
+    ...(input.PreSignUp !== undefined && { PreSignUp: input.PreSignUp }),
+    ...(input.PreTokenGeneration !== undefined && {
+      PreTokenGeneration: input.PreTokenGeneration
+    }),
+    ...(input.UserMigration !== undefined && {
+      UserMigration: input.UserMigration
+    }),
+    ...(input.VerifyAuthChallengeResponse !== undefined && {
+      VerifyAuthChallengeResponse: input.VerifyAuthChallengeResponse
+    })
+  };
 };
 
 const serializeAws_json1_1ListDevicesRequest = (
   input: ListDevicesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AccessToken !== undefined) {
-    bodyParams["AccessToken"] = input.AccessToken;
-  }
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.PaginationToken !== undefined) {
-    bodyParams["PaginationToken"] = input.PaginationToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.AccessToken !== undefined && { AccessToken: input.AccessToken }),
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.PaginationToken !== undefined && {
+      PaginationToken: input.PaginationToken
+    })
+  };
 };
 
 const serializeAws_json1_1ListGroupsRequest = (
   input: ListGroupsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.UserPoolId !== undefined) {
-    bodyParams["UserPoolId"] = input.UserPoolId;
-  }
-  return bodyParams;
+  return {
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.UserPoolId !== undefined && { UserPoolId: input.UserPoolId })
+  };
 };
 
 const serializeAws_json1_1ListIdentityProvidersRequest = (
   input: ListIdentityProvidersRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.UserPoolId !== undefined) {
-    bodyParams["UserPoolId"] = input.UserPoolId;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.UserPoolId !== undefined && { UserPoolId: input.UserPoolId })
+  };
 };
 
 const serializeAws_json1_1ListResourceServersRequest = (
   input: ListResourceServersRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.UserPoolId !== undefined) {
-    bodyParams["UserPoolId"] = input.UserPoolId;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.UserPoolId !== undefined && { UserPoolId: input.UserPoolId })
+  };
 };
 
 const serializeAws_json1_1ListTagsForResourceRequest = (
   input: ListTagsForResourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceArn !== undefined) {
-    bodyParams["ResourceArn"] = input.ResourceArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceArn !== undefined && { ResourceArn: input.ResourceArn })
+  };
 };
 
 const serializeAws_json1_1ListUserImportJobsRequest = (
   input: ListUserImportJobsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.PaginationToken !== undefined) {
-    bodyParams["PaginationToken"] = input.PaginationToken;
-  }
-  if (input.UserPoolId !== undefined) {
-    bodyParams["UserPoolId"] = input.UserPoolId;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.PaginationToken !== undefined && {
+      PaginationToken: input.PaginationToken
+    }),
+    ...(input.UserPoolId !== undefined && { UserPoolId: input.UserPoolId })
+  };
 };
 
 const serializeAws_json1_1ListUserPoolClientsRequest = (
   input: ListUserPoolClientsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.UserPoolId !== undefined) {
-    bodyParams["UserPoolId"] = input.UserPoolId;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.UserPoolId !== undefined && { UserPoolId: input.UserPoolId })
+  };
 };
 
 const serializeAws_json1_1ListUserPoolsRequest = (
   input: ListUserPoolsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1ListUsersInGroupRequest = (
   input: ListUsersInGroupRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.GroupName !== undefined) {
-    bodyParams["GroupName"] = input.GroupName;
-  }
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.UserPoolId !== undefined) {
-    bodyParams["UserPoolId"] = input.UserPoolId;
-  }
-  return bodyParams;
+  return {
+    ...(input.GroupName !== undefined && { GroupName: input.GroupName }),
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.UserPoolId !== undefined && { UserPoolId: input.UserPoolId })
+  };
 };
 
 const serializeAws_json1_1ListUsersRequest = (
   input: ListUsersRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AttributesToGet !== undefined) {
-    bodyParams[
-      "AttributesToGet"
-    ] = serializeAws_json1_1SearchedAttributeNamesListType(
-      input.AttributesToGet,
-      context
-    );
-  }
-  if (input.Filter !== undefined) {
-    bodyParams["Filter"] = input.Filter;
-  }
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.PaginationToken !== undefined) {
-    bodyParams["PaginationToken"] = input.PaginationToken;
-  }
-  if (input.UserPoolId !== undefined) {
-    bodyParams["UserPoolId"] = input.UserPoolId;
-  }
-  return bodyParams;
+  return {
+    ...(input.AttributesToGet !== undefined && {
+      AttributesToGet: serializeAws_json1_1SearchedAttributeNamesListType(
+        input.AttributesToGet,
+        context
+      )
+    }),
+    ...(input.Filter !== undefined && { Filter: input.Filter }),
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.PaginationToken !== undefined && {
+      PaginationToken: input.PaginationToken
+    }),
+    ...(input.UserPoolId !== undefined && { UserPoolId: input.UserPoolId })
+  };
 };
 
 const serializeAws_json1_1LogoutURLsListType = (
@@ -18559,97 +18137,73 @@ const serializeAws_json1_1MFAOptionType = (
   input: MFAOptionType,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AttributeName !== undefined) {
-    bodyParams["AttributeName"] = input.AttributeName;
-  }
-  if (input.DeliveryMedium !== undefined) {
-    bodyParams["DeliveryMedium"] = input.DeliveryMedium;
-  }
-  return bodyParams;
+  return {
+    ...(input.AttributeName !== undefined && {
+      AttributeName: input.AttributeName
+    }),
+    ...(input.DeliveryMedium !== undefined && {
+      DeliveryMedium: input.DeliveryMedium
+    })
+  };
 };
 
 const serializeAws_json1_1MessageTemplateType = (
   input: MessageTemplateType,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EmailMessage !== undefined) {
-    bodyParams["EmailMessage"] = input.EmailMessage;
-  }
-  if (input.EmailSubject !== undefined) {
-    bodyParams["EmailSubject"] = input.EmailSubject;
-  }
-  if (input.SMSMessage !== undefined) {
-    bodyParams["SMSMessage"] = input.SMSMessage;
-  }
-  return bodyParams;
+  return {
+    ...(input.EmailMessage !== undefined && {
+      EmailMessage: input.EmailMessage
+    }),
+    ...(input.EmailSubject !== undefined && {
+      EmailSubject: input.EmailSubject
+    }),
+    ...(input.SMSMessage !== undefined && { SMSMessage: input.SMSMessage })
+  };
 };
 
 const serializeAws_json1_1NotifyConfigurationType = (
   input: NotifyConfigurationType,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.BlockEmail !== undefined) {
-    bodyParams["BlockEmail"] = serializeAws_json1_1NotifyEmailType(
-      input.BlockEmail,
-      context
-    );
-  }
-  if (input.From !== undefined) {
-    bodyParams["From"] = input.From;
-  }
-  if (input.MfaEmail !== undefined) {
-    bodyParams["MfaEmail"] = serializeAws_json1_1NotifyEmailType(
-      input.MfaEmail,
-      context
-    );
-  }
-  if (input.NoActionEmail !== undefined) {
-    bodyParams["NoActionEmail"] = serializeAws_json1_1NotifyEmailType(
-      input.NoActionEmail,
-      context
-    );
-  }
-  if (input.ReplyTo !== undefined) {
-    bodyParams["ReplyTo"] = input.ReplyTo;
-  }
-  if (input.SourceArn !== undefined) {
-    bodyParams["SourceArn"] = input.SourceArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.BlockEmail !== undefined && {
+      BlockEmail: serializeAws_json1_1NotifyEmailType(input.BlockEmail, context)
+    }),
+    ...(input.From !== undefined && { From: input.From }),
+    ...(input.MfaEmail !== undefined && {
+      MfaEmail: serializeAws_json1_1NotifyEmailType(input.MfaEmail, context)
+    }),
+    ...(input.NoActionEmail !== undefined && {
+      NoActionEmail: serializeAws_json1_1NotifyEmailType(
+        input.NoActionEmail,
+        context
+      )
+    }),
+    ...(input.ReplyTo !== undefined && { ReplyTo: input.ReplyTo }),
+    ...(input.SourceArn !== undefined && { SourceArn: input.SourceArn })
+  };
 };
 
 const serializeAws_json1_1NotifyEmailType = (
   input: NotifyEmailType,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.HtmlBody !== undefined) {
-    bodyParams["HtmlBody"] = input.HtmlBody;
-  }
-  if (input.Subject !== undefined) {
-    bodyParams["Subject"] = input.Subject;
-  }
-  if (input.TextBody !== undefined) {
-    bodyParams["TextBody"] = input.TextBody;
-  }
-  return bodyParams;
+  return {
+    ...(input.HtmlBody !== undefined && { HtmlBody: input.HtmlBody }),
+    ...(input.Subject !== undefined && { Subject: input.Subject }),
+    ...(input.TextBody !== undefined && { TextBody: input.TextBody })
+  };
 };
 
 const serializeAws_json1_1NumberAttributeConstraintsType = (
   input: NumberAttributeConstraintsType,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxValue !== undefined) {
-    bodyParams["MaxValue"] = input.MaxValue;
-  }
-  if (input.MinValue !== undefined) {
-    bodyParams["MinValue"] = input.MinValue;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxValue !== undefined && { MaxValue: input.MaxValue }),
+    ...(input.MinValue !== undefined && { MinValue: input.MinValue })
+  };
 };
 
 const serializeAws_json1_1OAuthFlowsType = (
@@ -18663,27 +18217,26 @@ const serializeAws_json1_1PasswordPolicyType = (
   input: PasswordPolicyType,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MinimumLength !== undefined) {
-    bodyParams["MinimumLength"] = input.MinimumLength;
-  }
-  if (input.RequireLowercase !== undefined) {
-    bodyParams["RequireLowercase"] = input.RequireLowercase;
-  }
-  if (input.RequireNumbers !== undefined) {
-    bodyParams["RequireNumbers"] = input.RequireNumbers;
-  }
-  if (input.RequireSymbols !== undefined) {
-    bodyParams["RequireSymbols"] = input.RequireSymbols;
-  }
-  if (input.RequireUppercase !== undefined) {
-    bodyParams["RequireUppercase"] = input.RequireUppercase;
-  }
-  if (input.TemporaryPasswordValidityDays !== undefined) {
-    bodyParams["TemporaryPasswordValidityDays"] =
-      input.TemporaryPasswordValidityDays;
-  }
-  return bodyParams;
+  return {
+    ...(input.MinimumLength !== undefined && {
+      MinimumLength: input.MinimumLength
+    }),
+    ...(input.RequireLowercase !== undefined && {
+      RequireLowercase: input.RequireLowercase
+    }),
+    ...(input.RequireNumbers !== undefined && {
+      RequireNumbers: input.RequireNumbers
+    }),
+    ...(input.RequireSymbols !== undefined && {
+      RequireSymbols: input.RequireSymbols
+    }),
+    ...(input.RequireUppercase !== undefined && {
+      RequireUppercase: input.RequireUppercase
+    }),
+    ...(input.TemporaryPasswordValidityDays !== undefined && {
+      TemporaryPasswordValidityDays: input.TemporaryPasswordValidityDays
+    })
+  };
 };
 
 const serializeAws_json1_1ProviderDetailsType = (
@@ -18700,17 +18253,17 @@ const serializeAws_json1_1ProviderUserIdentifierType = (
   input: ProviderUserIdentifierType,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ProviderAttributeName !== undefined) {
-    bodyParams["ProviderAttributeName"] = input.ProviderAttributeName;
-  }
-  if (input.ProviderAttributeValue !== undefined) {
-    bodyParams["ProviderAttributeValue"] = input.ProviderAttributeValue;
-  }
-  if (input.ProviderName !== undefined) {
-    bodyParams["ProviderName"] = input.ProviderName;
-  }
-  return bodyParams;
+  return {
+    ...(input.ProviderAttributeName !== undefined && {
+      ProviderAttributeName: input.ProviderAttributeName
+    }),
+    ...(input.ProviderAttributeValue !== undefined && {
+      ProviderAttributeValue: input.ProviderAttributeValue
+    }),
+    ...(input.ProviderName !== undefined && {
+      ProviderName: input.ProviderName
+    })
+  };
 };
 
 const serializeAws_json1_1RecoveryMechanismsType = (
@@ -18726,49 +18279,39 @@ const serializeAws_json1_1RecoveryOptionType = (
   input: RecoveryOptionType,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.Priority !== undefined) {
-    bodyParams["Priority"] = input.Priority;
-  }
-  return bodyParams;
+  return {
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.Priority !== undefined && { Priority: input.Priority })
+  };
 };
 
 const serializeAws_json1_1ResendConfirmationCodeRequest = (
   input: ResendConfirmationCodeRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AnalyticsMetadata !== undefined) {
-    bodyParams["AnalyticsMetadata"] = serializeAws_json1_1AnalyticsMetadataType(
-      input.AnalyticsMetadata,
-      context
-    );
-  }
-  if (input.ClientId !== undefined) {
-    bodyParams["ClientId"] = input.ClientId;
-  }
-  if (input.ClientMetadata !== undefined) {
-    bodyParams["ClientMetadata"] = serializeAws_json1_1ClientMetadataType(
-      input.ClientMetadata,
-      context
-    );
-  }
-  if (input.SecretHash !== undefined) {
-    bodyParams["SecretHash"] = input.SecretHash;
-  }
-  if (input.UserContextData !== undefined) {
-    bodyParams["UserContextData"] = serializeAws_json1_1UserContextDataType(
-      input.UserContextData,
-      context
-    );
-  }
-  if (input.Username !== undefined) {
-    bodyParams["Username"] = input.Username;
-  }
-  return bodyParams;
+  return {
+    ...(input.AnalyticsMetadata !== undefined && {
+      AnalyticsMetadata: serializeAws_json1_1AnalyticsMetadataType(
+        input.AnalyticsMetadata,
+        context
+      )
+    }),
+    ...(input.ClientId !== undefined && { ClientId: input.ClientId }),
+    ...(input.ClientMetadata !== undefined && {
+      ClientMetadata: serializeAws_json1_1ClientMetadataType(
+        input.ClientMetadata,
+        context
+      )
+    }),
+    ...(input.SecretHash !== undefined && { SecretHash: input.SecretHash }),
+    ...(input.UserContextData !== undefined && {
+      UserContextData: serializeAws_json1_1UserContextDataType(
+        input.UserContextData,
+        context
+      )
+    }),
+    ...(input.Username !== undefined && { Username: input.Username })
+  };
 };
 
 const serializeAws_json1_1ResourceServerScopeListType = (
@@ -18784,134 +18327,110 @@ const serializeAws_json1_1ResourceServerScopeType = (
   input: ResourceServerScopeType,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ScopeDescription !== undefined) {
-    bodyParams["ScopeDescription"] = input.ScopeDescription;
-  }
-  if (input.ScopeName !== undefined) {
-    bodyParams["ScopeName"] = input.ScopeName;
-  }
-  return bodyParams;
+  return {
+    ...(input.ScopeDescription !== undefined && {
+      ScopeDescription: input.ScopeDescription
+    }),
+    ...(input.ScopeName !== undefined && { ScopeName: input.ScopeName })
+  };
 };
 
 const serializeAws_json1_1RespondToAuthChallengeRequest = (
   input: RespondToAuthChallengeRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AnalyticsMetadata !== undefined) {
-    bodyParams["AnalyticsMetadata"] = serializeAws_json1_1AnalyticsMetadataType(
-      input.AnalyticsMetadata,
-      context
-    );
-  }
-  if (input.ChallengeName !== undefined) {
-    bodyParams["ChallengeName"] = input.ChallengeName;
-  }
-  if (input.ChallengeResponses !== undefined) {
-    bodyParams[
-      "ChallengeResponses"
-    ] = serializeAws_json1_1ChallengeResponsesType(
-      input.ChallengeResponses,
-      context
-    );
-  }
-  if (input.ClientId !== undefined) {
-    bodyParams["ClientId"] = input.ClientId;
-  }
-  if (input.ClientMetadata !== undefined) {
-    bodyParams["ClientMetadata"] = serializeAws_json1_1ClientMetadataType(
-      input.ClientMetadata,
-      context
-    );
-  }
-  if (input.Session !== undefined) {
-    bodyParams["Session"] = input.Session;
-  }
-  if (input.UserContextData !== undefined) {
-    bodyParams["UserContextData"] = serializeAws_json1_1UserContextDataType(
-      input.UserContextData,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.AnalyticsMetadata !== undefined && {
+      AnalyticsMetadata: serializeAws_json1_1AnalyticsMetadataType(
+        input.AnalyticsMetadata,
+        context
+      )
+    }),
+    ...(input.ChallengeName !== undefined && {
+      ChallengeName: input.ChallengeName
+    }),
+    ...(input.ChallengeResponses !== undefined && {
+      ChallengeResponses: serializeAws_json1_1ChallengeResponsesType(
+        input.ChallengeResponses,
+        context
+      )
+    }),
+    ...(input.ClientId !== undefined && { ClientId: input.ClientId }),
+    ...(input.ClientMetadata !== undefined && {
+      ClientMetadata: serializeAws_json1_1ClientMetadataType(
+        input.ClientMetadata,
+        context
+      )
+    }),
+    ...(input.Session !== undefined && { Session: input.Session }),
+    ...(input.UserContextData !== undefined && {
+      UserContextData: serializeAws_json1_1UserContextDataType(
+        input.UserContextData,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1RiskExceptionConfigurationType = (
   input: RiskExceptionConfigurationType,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.BlockedIPRangeList !== undefined) {
-    bodyParams[
-      "BlockedIPRangeList"
-    ] = serializeAws_json1_1BlockedIPRangeListType(
-      input.BlockedIPRangeList,
-      context
-    );
-  }
-  if (input.SkippedIPRangeList !== undefined) {
-    bodyParams[
-      "SkippedIPRangeList"
-    ] = serializeAws_json1_1SkippedIPRangeListType(
-      input.SkippedIPRangeList,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.BlockedIPRangeList !== undefined && {
+      BlockedIPRangeList: serializeAws_json1_1BlockedIPRangeListType(
+        input.BlockedIPRangeList,
+        context
+      )
+    }),
+    ...(input.SkippedIPRangeList !== undefined && {
+      SkippedIPRangeList: serializeAws_json1_1SkippedIPRangeListType(
+        input.SkippedIPRangeList,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1SMSMfaSettingsType = (
   input: SMSMfaSettingsType,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Enabled !== undefined) {
-    bodyParams["Enabled"] = input.Enabled;
-  }
-  if (input.PreferredMfa !== undefined) {
-    bodyParams["PreferredMfa"] = input.PreferredMfa;
-  }
-  return bodyParams;
+  return {
+    ...(input.Enabled !== undefined && { Enabled: input.Enabled }),
+    ...(input.PreferredMfa !== undefined && {
+      PreferredMfa: input.PreferredMfa
+    })
+  };
 };
 
 const serializeAws_json1_1SchemaAttributeType = (
   input: SchemaAttributeType,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AttributeDataType !== undefined) {
-    bodyParams["AttributeDataType"] = input.AttributeDataType;
-  }
-  if (input.DeveloperOnlyAttribute !== undefined) {
-    bodyParams["DeveloperOnlyAttribute"] = input.DeveloperOnlyAttribute;
-  }
-  if (input.Mutable !== undefined) {
-    bodyParams["Mutable"] = input.Mutable;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.NumberAttributeConstraints !== undefined) {
-    bodyParams[
-      "NumberAttributeConstraints"
-    ] = serializeAws_json1_1NumberAttributeConstraintsType(
-      input.NumberAttributeConstraints,
-      context
-    );
-  }
-  if (input.Required !== undefined) {
-    bodyParams["Required"] = input.Required;
-  }
-  if (input.StringAttributeConstraints !== undefined) {
-    bodyParams[
-      "StringAttributeConstraints"
-    ] = serializeAws_json1_1StringAttributeConstraintsType(
-      input.StringAttributeConstraints,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.AttributeDataType !== undefined && {
+      AttributeDataType: input.AttributeDataType
+    }),
+    ...(input.DeveloperOnlyAttribute !== undefined && {
+      DeveloperOnlyAttribute: input.DeveloperOnlyAttribute
+    }),
+    ...(input.Mutable !== undefined && { Mutable: input.Mutable }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.NumberAttributeConstraints !== undefined && {
+      NumberAttributeConstraints: serializeAws_json1_1NumberAttributeConstraintsType(
+        input.NumberAttributeConstraints,
+        context
+      )
+    }),
+    ...(input.Required !== undefined && { Required: input.Required }),
+    ...(input.StringAttributeConstraints !== undefined && {
+      StringAttributeConstraints: serializeAws_json1_1StringAttributeConstraintsType(
+        input.StringAttributeConstraints,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1SchemaAttributesListType = (
@@ -18941,178 +18460,144 @@ const serializeAws_json1_1SetRiskConfigurationRequest = (
   input: SetRiskConfigurationRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AccountTakeoverRiskConfiguration !== undefined) {
-    bodyParams[
-      "AccountTakeoverRiskConfiguration"
-    ] = serializeAws_json1_1AccountTakeoverRiskConfigurationType(
-      input.AccountTakeoverRiskConfiguration,
-      context
-    );
-  }
-  if (input.ClientId !== undefined) {
-    bodyParams["ClientId"] = input.ClientId;
-  }
-  if (input.CompromisedCredentialsRiskConfiguration !== undefined) {
-    bodyParams[
-      "CompromisedCredentialsRiskConfiguration"
-    ] = serializeAws_json1_1CompromisedCredentialsRiskConfigurationType(
-      input.CompromisedCredentialsRiskConfiguration,
-      context
-    );
-  }
-  if (input.RiskExceptionConfiguration !== undefined) {
-    bodyParams[
-      "RiskExceptionConfiguration"
-    ] = serializeAws_json1_1RiskExceptionConfigurationType(
-      input.RiskExceptionConfiguration,
-      context
-    );
-  }
-  if (input.UserPoolId !== undefined) {
-    bodyParams["UserPoolId"] = input.UserPoolId;
-  }
-  return bodyParams;
+  return {
+    ...(input.AccountTakeoverRiskConfiguration !== undefined && {
+      AccountTakeoverRiskConfiguration: serializeAws_json1_1AccountTakeoverRiskConfigurationType(
+        input.AccountTakeoverRiskConfiguration,
+        context
+      )
+    }),
+    ...(input.ClientId !== undefined && { ClientId: input.ClientId }),
+    ...(input.CompromisedCredentialsRiskConfiguration !== undefined && {
+      CompromisedCredentialsRiskConfiguration: serializeAws_json1_1CompromisedCredentialsRiskConfigurationType(
+        input.CompromisedCredentialsRiskConfiguration,
+        context
+      )
+    }),
+    ...(input.RiskExceptionConfiguration !== undefined && {
+      RiskExceptionConfiguration: serializeAws_json1_1RiskExceptionConfigurationType(
+        input.RiskExceptionConfiguration,
+        context
+      )
+    }),
+    ...(input.UserPoolId !== undefined && { UserPoolId: input.UserPoolId })
+  };
 };
 
 const serializeAws_json1_1SetUICustomizationRequest = (
   input: SetUICustomizationRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CSS !== undefined) {
-    bodyParams["CSS"] = input.CSS;
-  }
-  if (input.ClientId !== undefined) {
-    bodyParams["ClientId"] = input.ClientId;
-  }
-  if (input.ImageFile !== undefined) {
-    bodyParams["ImageFile"] = context.base64Encoder(input.ImageFile);
-  }
-  if (input.UserPoolId !== undefined) {
-    bodyParams["UserPoolId"] = input.UserPoolId;
-  }
-  return bodyParams;
+  return {
+    ...(input.CSS !== undefined && { CSS: input.CSS }),
+    ...(input.ClientId !== undefined && { ClientId: input.ClientId }),
+    ...(input.ImageFile !== undefined && {
+      ImageFile: context.base64Encoder(input.ImageFile)
+    }),
+    ...(input.UserPoolId !== undefined && { UserPoolId: input.UserPoolId })
+  };
 };
 
 const serializeAws_json1_1SetUserMFAPreferenceRequest = (
   input: SetUserMFAPreferenceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AccessToken !== undefined) {
-    bodyParams["AccessToken"] = input.AccessToken;
-  }
-  if (input.SMSMfaSettings !== undefined) {
-    bodyParams["SMSMfaSettings"] = serializeAws_json1_1SMSMfaSettingsType(
-      input.SMSMfaSettings,
-      context
-    );
-  }
-  if (input.SoftwareTokenMfaSettings !== undefined) {
-    bodyParams[
-      "SoftwareTokenMfaSettings"
-    ] = serializeAws_json1_1SoftwareTokenMfaSettingsType(
-      input.SoftwareTokenMfaSettings,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.AccessToken !== undefined && { AccessToken: input.AccessToken }),
+    ...(input.SMSMfaSettings !== undefined && {
+      SMSMfaSettings: serializeAws_json1_1SMSMfaSettingsType(
+        input.SMSMfaSettings,
+        context
+      )
+    }),
+    ...(input.SoftwareTokenMfaSettings !== undefined && {
+      SoftwareTokenMfaSettings: serializeAws_json1_1SoftwareTokenMfaSettingsType(
+        input.SoftwareTokenMfaSettings,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1SetUserPoolMfaConfigRequest = (
   input: SetUserPoolMfaConfigRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MfaConfiguration !== undefined) {
-    bodyParams["MfaConfiguration"] = input.MfaConfiguration;
-  }
-  if (input.SmsMfaConfiguration !== undefined) {
-    bodyParams["SmsMfaConfiguration"] = serializeAws_json1_1SmsMfaConfigType(
-      input.SmsMfaConfiguration,
-      context
-    );
-  }
-  if (input.SoftwareTokenMfaConfiguration !== undefined) {
-    bodyParams[
-      "SoftwareTokenMfaConfiguration"
-    ] = serializeAws_json1_1SoftwareTokenMfaConfigType(
-      input.SoftwareTokenMfaConfiguration,
-      context
-    );
-  }
-  if (input.UserPoolId !== undefined) {
-    bodyParams["UserPoolId"] = input.UserPoolId;
-  }
-  return bodyParams;
+  return {
+    ...(input.MfaConfiguration !== undefined && {
+      MfaConfiguration: input.MfaConfiguration
+    }),
+    ...(input.SmsMfaConfiguration !== undefined && {
+      SmsMfaConfiguration: serializeAws_json1_1SmsMfaConfigType(
+        input.SmsMfaConfiguration,
+        context
+      )
+    }),
+    ...(input.SoftwareTokenMfaConfiguration !== undefined && {
+      SoftwareTokenMfaConfiguration: serializeAws_json1_1SoftwareTokenMfaConfigType(
+        input.SoftwareTokenMfaConfiguration,
+        context
+      )
+    }),
+    ...(input.UserPoolId !== undefined && { UserPoolId: input.UserPoolId })
+  };
 };
 
 const serializeAws_json1_1SetUserSettingsRequest = (
   input: SetUserSettingsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AccessToken !== undefined) {
-    bodyParams["AccessToken"] = input.AccessToken;
-  }
-  if (input.MFAOptions !== undefined) {
-    bodyParams["MFAOptions"] = serializeAws_json1_1MFAOptionListType(
-      input.MFAOptions,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.AccessToken !== undefined && { AccessToken: input.AccessToken }),
+    ...(input.MFAOptions !== undefined && {
+      MFAOptions: serializeAws_json1_1MFAOptionListType(
+        input.MFAOptions,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1SignUpRequest = (
   input: SignUpRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AnalyticsMetadata !== undefined) {
-    bodyParams["AnalyticsMetadata"] = serializeAws_json1_1AnalyticsMetadataType(
-      input.AnalyticsMetadata,
-      context
-    );
-  }
-  if (input.ClientId !== undefined) {
-    bodyParams["ClientId"] = input.ClientId;
-  }
-  if (input.ClientMetadata !== undefined) {
-    bodyParams["ClientMetadata"] = serializeAws_json1_1ClientMetadataType(
-      input.ClientMetadata,
-      context
-    );
-  }
-  if (input.Password !== undefined) {
-    bodyParams["Password"] = input.Password;
-  }
-  if (input.SecretHash !== undefined) {
-    bodyParams["SecretHash"] = input.SecretHash;
-  }
-  if (input.UserAttributes !== undefined) {
-    bodyParams["UserAttributes"] = serializeAws_json1_1AttributeListType(
-      input.UserAttributes,
-      context
-    );
-  }
-  if (input.UserContextData !== undefined) {
-    bodyParams["UserContextData"] = serializeAws_json1_1UserContextDataType(
-      input.UserContextData,
-      context
-    );
-  }
-  if (input.Username !== undefined) {
-    bodyParams["Username"] = input.Username;
-  }
-  if (input.ValidationData !== undefined) {
-    bodyParams["ValidationData"] = serializeAws_json1_1AttributeListType(
-      input.ValidationData,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.AnalyticsMetadata !== undefined && {
+      AnalyticsMetadata: serializeAws_json1_1AnalyticsMetadataType(
+        input.AnalyticsMetadata,
+        context
+      )
+    }),
+    ...(input.ClientId !== undefined && { ClientId: input.ClientId }),
+    ...(input.ClientMetadata !== undefined && {
+      ClientMetadata: serializeAws_json1_1ClientMetadataType(
+        input.ClientMetadata,
+        context
+      )
+    }),
+    ...(input.Password !== undefined && { Password: input.Password }),
+    ...(input.SecretHash !== undefined && { SecretHash: input.SecretHash }),
+    ...(input.UserAttributes !== undefined && {
+      UserAttributes: serializeAws_json1_1AttributeListType(
+        input.UserAttributes,
+        context
+      )
+    }),
+    ...(input.UserContextData !== undefined && {
+      UserContextData: serializeAws_json1_1UserContextDataType(
+        input.UserContextData,
+        context
+      )
+    }),
+    ...(input.Username !== undefined && { Username: input.Username }),
+    ...(input.ValidationData !== undefined && {
+      ValidationData: serializeAws_json1_1AttributeListType(
+        input.ValidationData,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1SkippedIPRangeListType = (
@@ -19126,98 +18611,80 @@ const serializeAws_json1_1SmsConfigurationType = (
   input: SmsConfigurationType,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ExternalId !== undefined) {
-    bodyParams["ExternalId"] = input.ExternalId;
-  }
-  if (input.SnsCallerArn !== undefined) {
-    bodyParams["SnsCallerArn"] = input.SnsCallerArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.ExternalId !== undefined && { ExternalId: input.ExternalId }),
+    ...(input.SnsCallerArn !== undefined && {
+      SnsCallerArn: input.SnsCallerArn
+    })
+  };
 };
 
 const serializeAws_json1_1SmsMfaConfigType = (
   input: SmsMfaConfigType,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.SmsAuthenticationMessage !== undefined) {
-    bodyParams["SmsAuthenticationMessage"] = input.SmsAuthenticationMessage;
-  }
-  if (input.SmsConfiguration !== undefined) {
-    bodyParams["SmsConfiguration"] = serializeAws_json1_1SmsConfigurationType(
-      input.SmsConfiguration,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.SmsAuthenticationMessage !== undefined && {
+      SmsAuthenticationMessage: input.SmsAuthenticationMessage
+    }),
+    ...(input.SmsConfiguration !== undefined && {
+      SmsConfiguration: serializeAws_json1_1SmsConfigurationType(
+        input.SmsConfiguration,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1SoftwareTokenMfaConfigType = (
   input: SoftwareTokenMfaConfigType,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Enabled !== undefined) {
-    bodyParams["Enabled"] = input.Enabled;
-  }
-  return bodyParams;
+  return {
+    ...(input.Enabled !== undefined && { Enabled: input.Enabled })
+  };
 };
 
 const serializeAws_json1_1SoftwareTokenMfaSettingsType = (
   input: SoftwareTokenMfaSettingsType,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Enabled !== undefined) {
-    bodyParams["Enabled"] = input.Enabled;
-  }
-  if (input.PreferredMfa !== undefined) {
-    bodyParams["PreferredMfa"] = input.PreferredMfa;
-  }
-  return bodyParams;
+  return {
+    ...(input.Enabled !== undefined && { Enabled: input.Enabled }),
+    ...(input.PreferredMfa !== undefined && {
+      PreferredMfa: input.PreferredMfa
+    })
+  };
 };
 
 const serializeAws_json1_1StartUserImportJobRequest = (
   input: StartUserImportJobRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.JobId !== undefined) {
-    bodyParams["JobId"] = input.JobId;
-  }
-  if (input.UserPoolId !== undefined) {
-    bodyParams["UserPoolId"] = input.UserPoolId;
-  }
-  return bodyParams;
+  return {
+    ...(input.JobId !== undefined && { JobId: input.JobId }),
+    ...(input.UserPoolId !== undefined && { UserPoolId: input.UserPoolId })
+  };
 };
 
 const serializeAws_json1_1StopUserImportJobRequest = (
   input: StopUserImportJobRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.JobId !== undefined) {
-    bodyParams["JobId"] = input.JobId;
-  }
-  if (input.UserPoolId !== undefined) {
-    bodyParams["UserPoolId"] = input.UserPoolId;
-  }
-  return bodyParams;
+  return {
+    ...(input.JobId !== undefined && { JobId: input.JobId }),
+    ...(input.UserPoolId !== undefined && { UserPoolId: input.UserPoolId })
+  };
 };
 
 const serializeAws_json1_1StringAttributeConstraintsType = (
   input: StringAttributeConstraintsType,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxLength !== undefined) {
-    bodyParams["MaxLength"] = input.MaxLength;
-  }
-  if (input.MinLength !== undefined) {
-    bodyParams["MinLength"] = input.MinLength;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxLength !== undefined && { MaxLength: input.MaxLength }),
+    ...(input.MinLength !== undefined && { MinLength: input.MinLength })
+  };
 };
 
 const serializeAws_json1_1SupportedIdentityProvidersListType = (
@@ -19231,429 +18698,349 @@ const serializeAws_json1_1TagResourceRequest = (
   input: TagResourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceArn !== undefined) {
-    bodyParams["ResourceArn"] = input.ResourceArn;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1UserPoolTagsType(
-      input.Tags,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceArn !== undefined && { ResourceArn: input.ResourceArn }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1UserPoolTagsType(input.Tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1UntagResourceRequest = (
   input: UntagResourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceArn !== undefined) {
-    bodyParams["ResourceArn"] = input.ResourceArn;
-  }
-  if (input.TagKeys !== undefined) {
-    bodyParams["TagKeys"] = serializeAws_json1_1UserPoolTagsListType(
-      input.TagKeys,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceArn !== undefined && { ResourceArn: input.ResourceArn }),
+    ...(input.TagKeys !== undefined && {
+      TagKeys: serializeAws_json1_1UserPoolTagsListType(input.TagKeys, context)
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateAuthEventFeedbackRequest = (
   input: UpdateAuthEventFeedbackRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EventId !== undefined) {
-    bodyParams["EventId"] = input.EventId;
-  }
-  if (input.FeedbackToken !== undefined) {
-    bodyParams["FeedbackToken"] = input.FeedbackToken;
-  }
-  if (input.FeedbackValue !== undefined) {
-    bodyParams["FeedbackValue"] = input.FeedbackValue;
-  }
-  if (input.UserPoolId !== undefined) {
-    bodyParams["UserPoolId"] = input.UserPoolId;
-  }
-  if (input.Username !== undefined) {
-    bodyParams["Username"] = input.Username;
-  }
-  return bodyParams;
+  return {
+    ...(input.EventId !== undefined && { EventId: input.EventId }),
+    ...(input.FeedbackToken !== undefined && {
+      FeedbackToken: input.FeedbackToken
+    }),
+    ...(input.FeedbackValue !== undefined && {
+      FeedbackValue: input.FeedbackValue
+    }),
+    ...(input.UserPoolId !== undefined && { UserPoolId: input.UserPoolId }),
+    ...(input.Username !== undefined && { Username: input.Username })
+  };
 };
 
 const serializeAws_json1_1UpdateDeviceStatusRequest = (
   input: UpdateDeviceStatusRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AccessToken !== undefined) {
-    bodyParams["AccessToken"] = input.AccessToken;
-  }
-  if (input.DeviceKey !== undefined) {
-    bodyParams["DeviceKey"] = input.DeviceKey;
-  }
-  if (input.DeviceRememberedStatus !== undefined) {
-    bodyParams["DeviceRememberedStatus"] = input.DeviceRememberedStatus;
-  }
-  return bodyParams;
+  return {
+    ...(input.AccessToken !== undefined && { AccessToken: input.AccessToken }),
+    ...(input.DeviceKey !== undefined && { DeviceKey: input.DeviceKey }),
+    ...(input.DeviceRememberedStatus !== undefined && {
+      DeviceRememberedStatus: input.DeviceRememberedStatus
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateGroupRequest = (
   input: UpdateGroupRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.GroupName !== undefined) {
-    bodyParams["GroupName"] = input.GroupName;
-  }
-  if (input.Precedence !== undefined) {
-    bodyParams["Precedence"] = input.Precedence;
-  }
-  if (input.RoleArn !== undefined) {
-    bodyParams["RoleArn"] = input.RoleArn;
-  }
-  if (input.UserPoolId !== undefined) {
-    bodyParams["UserPoolId"] = input.UserPoolId;
-  }
-  return bodyParams;
+  return {
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.GroupName !== undefined && { GroupName: input.GroupName }),
+    ...(input.Precedence !== undefined && { Precedence: input.Precedence }),
+    ...(input.RoleArn !== undefined && { RoleArn: input.RoleArn }),
+    ...(input.UserPoolId !== undefined && { UserPoolId: input.UserPoolId })
+  };
 };
 
 const serializeAws_json1_1UpdateIdentityProviderRequest = (
   input: UpdateIdentityProviderRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AttributeMapping !== undefined) {
-    bodyParams["AttributeMapping"] = serializeAws_json1_1AttributeMappingType(
-      input.AttributeMapping,
-      context
-    );
-  }
-  if (input.IdpIdentifiers !== undefined) {
-    bodyParams["IdpIdentifiers"] = serializeAws_json1_1IdpIdentifiersListType(
-      input.IdpIdentifiers,
-      context
-    );
-  }
-  if (input.ProviderDetails !== undefined) {
-    bodyParams["ProviderDetails"] = serializeAws_json1_1ProviderDetailsType(
-      input.ProviderDetails,
-      context
-    );
-  }
-  if (input.ProviderName !== undefined) {
-    bodyParams["ProviderName"] = input.ProviderName;
-  }
-  if (input.UserPoolId !== undefined) {
-    bodyParams["UserPoolId"] = input.UserPoolId;
-  }
-  return bodyParams;
+  return {
+    ...(input.AttributeMapping !== undefined && {
+      AttributeMapping: serializeAws_json1_1AttributeMappingType(
+        input.AttributeMapping,
+        context
+      )
+    }),
+    ...(input.IdpIdentifiers !== undefined && {
+      IdpIdentifiers: serializeAws_json1_1IdpIdentifiersListType(
+        input.IdpIdentifiers,
+        context
+      )
+    }),
+    ...(input.ProviderDetails !== undefined && {
+      ProviderDetails: serializeAws_json1_1ProviderDetailsType(
+        input.ProviderDetails,
+        context
+      )
+    }),
+    ...(input.ProviderName !== undefined && {
+      ProviderName: input.ProviderName
+    }),
+    ...(input.UserPoolId !== undefined && { UserPoolId: input.UserPoolId })
+  };
 };
 
 const serializeAws_json1_1UpdateResourceServerRequest = (
   input: UpdateResourceServerRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Identifier !== undefined) {
-    bodyParams["Identifier"] = input.Identifier;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.Scopes !== undefined) {
-    bodyParams["Scopes"] = serializeAws_json1_1ResourceServerScopeListType(
-      input.Scopes,
-      context
-    );
-  }
-  if (input.UserPoolId !== undefined) {
-    bodyParams["UserPoolId"] = input.UserPoolId;
-  }
-  return bodyParams;
+  return {
+    ...(input.Identifier !== undefined && { Identifier: input.Identifier }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.Scopes !== undefined && {
+      Scopes: serializeAws_json1_1ResourceServerScopeListType(
+        input.Scopes,
+        context
+      )
+    }),
+    ...(input.UserPoolId !== undefined && { UserPoolId: input.UserPoolId })
+  };
 };
 
 const serializeAws_json1_1UpdateUserAttributesRequest = (
   input: UpdateUserAttributesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AccessToken !== undefined) {
-    bodyParams["AccessToken"] = input.AccessToken;
-  }
-  if (input.ClientMetadata !== undefined) {
-    bodyParams["ClientMetadata"] = serializeAws_json1_1ClientMetadataType(
-      input.ClientMetadata,
-      context
-    );
-  }
-  if (input.UserAttributes !== undefined) {
-    bodyParams["UserAttributes"] = serializeAws_json1_1AttributeListType(
-      input.UserAttributes,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.AccessToken !== undefined && { AccessToken: input.AccessToken }),
+    ...(input.ClientMetadata !== undefined && {
+      ClientMetadata: serializeAws_json1_1ClientMetadataType(
+        input.ClientMetadata,
+        context
+      )
+    }),
+    ...(input.UserAttributes !== undefined && {
+      UserAttributes: serializeAws_json1_1AttributeListType(
+        input.UserAttributes,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateUserPoolClientRequest = (
   input: UpdateUserPoolClientRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AllowedOAuthFlows !== undefined) {
-    bodyParams["AllowedOAuthFlows"] = serializeAws_json1_1OAuthFlowsType(
-      input.AllowedOAuthFlows,
-      context
-    );
-  }
-  if (input.AllowedOAuthFlowsUserPoolClient !== undefined) {
-    bodyParams["AllowedOAuthFlowsUserPoolClient"] =
-      input.AllowedOAuthFlowsUserPoolClient;
-  }
-  if (input.AllowedOAuthScopes !== undefined) {
-    bodyParams["AllowedOAuthScopes"] = serializeAws_json1_1ScopeListType(
-      input.AllowedOAuthScopes,
-      context
-    );
-  }
-  if (input.AnalyticsConfiguration !== undefined) {
-    bodyParams[
-      "AnalyticsConfiguration"
-    ] = serializeAws_json1_1AnalyticsConfigurationType(
-      input.AnalyticsConfiguration,
-      context
-    );
-  }
-  if (input.CallbackURLs !== undefined) {
-    bodyParams["CallbackURLs"] = serializeAws_json1_1CallbackURLsListType(
-      input.CallbackURLs,
-      context
-    );
-  }
-  if (input.ClientId !== undefined) {
-    bodyParams["ClientId"] = input.ClientId;
-  }
-  if (input.ClientName !== undefined) {
-    bodyParams["ClientName"] = input.ClientName;
-  }
-  if (input.DefaultRedirectURI !== undefined) {
-    bodyParams["DefaultRedirectURI"] = input.DefaultRedirectURI;
-  }
-  if (input.ExplicitAuthFlows !== undefined) {
-    bodyParams[
-      "ExplicitAuthFlows"
-    ] = serializeAws_json1_1ExplicitAuthFlowsListType(
-      input.ExplicitAuthFlows,
-      context
-    );
-  }
-  if (input.LogoutURLs !== undefined) {
-    bodyParams["LogoutURLs"] = serializeAws_json1_1LogoutURLsListType(
-      input.LogoutURLs,
-      context
-    );
-  }
-  if (input.PreventUserExistenceErrors !== undefined) {
-    bodyParams["PreventUserExistenceErrors"] = input.PreventUserExistenceErrors;
-  }
-  if (input.ReadAttributes !== undefined) {
-    bodyParams["ReadAttributes"] = serializeAws_json1_1ClientPermissionListType(
-      input.ReadAttributes,
-      context
-    );
-  }
-  if (input.RefreshTokenValidity !== undefined) {
-    bodyParams["RefreshTokenValidity"] = input.RefreshTokenValidity;
-  }
-  if (input.SupportedIdentityProviders !== undefined) {
-    bodyParams[
-      "SupportedIdentityProviders"
-    ] = serializeAws_json1_1SupportedIdentityProvidersListType(
-      input.SupportedIdentityProviders,
-      context
-    );
-  }
-  if (input.UserPoolId !== undefined) {
-    bodyParams["UserPoolId"] = input.UserPoolId;
-  }
-  if (input.WriteAttributes !== undefined) {
-    bodyParams[
-      "WriteAttributes"
-    ] = serializeAws_json1_1ClientPermissionListType(
-      input.WriteAttributes,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.AllowedOAuthFlows !== undefined && {
+      AllowedOAuthFlows: serializeAws_json1_1OAuthFlowsType(
+        input.AllowedOAuthFlows,
+        context
+      )
+    }),
+    ...(input.AllowedOAuthFlowsUserPoolClient !== undefined && {
+      AllowedOAuthFlowsUserPoolClient: input.AllowedOAuthFlowsUserPoolClient
+    }),
+    ...(input.AllowedOAuthScopes !== undefined && {
+      AllowedOAuthScopes: serializeAws_json1_1ScopeListType(
+        input.AllowedOAuthScopes,
+        context
+      )
+    }),
+    ...(input.AnalyticsConfiguration !== undefined && {
+      AnalyticsConfiguration: serializeAws_json1_1AnalyticsConfigurationType(
+        input.AnalyticsConfiguration,
+        context
+      )
+    }),
+    ...(input.CallbackURLs !== undefined && {
+      CallbackURLs: serializeAws_json1_1CallbackURLsListType(
+        input.CallbackURLs,
+        context
+      )
+    }),
+    ...(input.ClientId !== undefined && { ClientId: input.ClientId }),
+    ...(input.ClientName !== undefined && { ClientName: input.ClientName }),
+    ...(input.DefaultRedirectURI !== undefined && {
+      DefaultRedirectURI: input.DefaultRedirectURI
+    }),
+    ...(input.ExplicitAuthFlows !== undefined && {
+      ExplicitAuthFlows: serializeAws_json1_1ExplicitAuthFlowsListType(
+        input.ExplicitAuthFlows,
+        context
+      )
+    }),
+    ...(input.LogoutURLs !== undefined && {
+      LogoutURLs: serializeAws_json1_1LogoutURLsListType(
+        input.LogoutURLs,
+        context
+      )
+    }),
+    ...(input.PreventUserExistenceErrors !== undefined && {
+      PreventUserExistenceErrors: input.PreventUserExistenceErrors
+    }),
+    ...(input.ReadAttributes !== undefined && {
+      ReadAttributes: serializeAws_json1_1ClientPermissionListType(
+        input.ReadAttributes,
+        context
+      )
+    }),
+    ...(input.RefreshTokenValidity !== undefined && {
+      RefreshTokenValidity: input.RefreshTokenValidity
+    }),
+    ...(input.SupportedIdentityProviders !== undefined && {
+      SupportedIdentityProviders: serializeAws_json1_1SupportedIdentityProvidersListType(
+        input.SupportedIdentityProviders,
+        context
+      )
+    }),
+    ...(input.UserPoolId !== undefined && { UserPoolId: input.UserPoolId }),
+    ...(input.WriteAttributes !== undefined && {
+      WriteAttributes: serializeAws_json1_1ClientPermissionListType(
+        input.WriteAttributes,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateUserPoolDomainRequest = (
   input: UpdateUserPoolDomainRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CustomDomainConfig !== undefined) {
-    bodyParams[
-      "CustomDomainConfig"
-    ] = serializeAws_json1_1CustomDomainConfigType(
-      input.CustomDomainConfig,
-      context
-    );
-  }
-  if (input.Domain !== undefined) {
-    bodyParams["Domain"] = input.Domain;
-  }
-  if (input.UserPoolId !== undefined) {
-    bodyParams["UserPoolId"] = input.UserPoolId;
-  }
-  return bodyParams;
+  return {
+    ...(input.CustomDomainConfig !== undefined && {
+      CustomDomainConfig: serializeAws_json1_1CustomDomainConfigType(
+        input.CustomDomainConfig,
+        context
+      )
+    }),
+    ...(input.Domain !== undefined && { Domain: input.Domain }),
+    ...(input.UserPoolId !== undefined && { UserPoolId: input.UserPoolId })
+  };
 };
 
 const serializeAws_json1_1UpdateUserPoolRequest = (
   input: UpdateUserPoolRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AccountRecoverySetting !== undefined) {
-    bodyParams[
-      "AccountRecoverySetting"
-    ] = serializeAws_json1_1AccountRecoverySettingType(
-      input.AccountRecoverySetting,
-      context
-    );
-  }
-  if (input.AdminCreateUserConfig !== undefined) {
-    bodyParams[
-      "AdminCreateUserConfig"
-    ] = serializeAws_json1_1AdminCreateUserConfigType(
-      input.AdminCreateUserConfig,
-      context
-    );
-  }
-  if (input.AutoVerifiedAttributes !== undefined) {
-    bodyParams[
-      "AutoVerifiedAttributes"
-    ] = serializeAws_json1_1VerifiedAttributesListType(
-      input.AutoVerifiedAttributes,
-      context
-    );
-  }
-  if (input.DeviceConfiguration !== undefined) {
-    bodyParams[
-      "DeviceConfiguration"
-    ] = serializeAws_json1_1DeviceConfigurationType(
-      input.DeviceConfiguration,
-      context
-    );
-  }
-  if (input.EmailConfiguration !== undefined) {
-    bodyParams[
-      "EmailConfiguration"
-    ] = serializeAws_json1_1EmailConfigurationType(
-      input.EmailConfiguration,
-      context
-    );
-  }
-  if (input.EmailVerificationMessage !== undefined) {
-    bodyParams["EmailVerificationMessage"] = input.EmailVerificationMessage;
-  }
-  if (input.EmailVerificationSubject !== undefined) {
-    bodyParams["EmailVerificationSubject"] = input.EmailVerificationSubject;
-  }
-  if (input.LambdaConfig !== undefined) {
-    bodyParams["LambdaConfig"] = serializeAws_json1_1LambdaConfigType(
-      input.LambdaConfig,
-      context
-    );
-  }
-  if (input.MfaConfiguration !== undefined) {
-    bodyParams["MfaConfiguration"] = input.MfaConfiguration;
-  }
-  if (input.Policies !== undefined) {
-    bodyParams["Policies"] = serializeAws_json1_1UserPoolPolicyType(
-      input.Policies,
-      context
-    );
-  }
-  if (input.SmsAuthenticationMessage !== undefined) {
-    bodyParams["SmsAuthenticationMessage"] = input.SmsAuthenticationMessage;
-  }
-  if (input.SmsConfiguration !== undefined) {
-    bodyParams["SmsConfiguration"] = serializeAws_json1_1SmsConfigurationType(
-      input.SmsConfiguration,
-      context
-    );
-  }
-  if (input.SmsVerificationMessage !== undefined) {
-    bodyParams["SmsVerificationMessage"] = input.SmsVerificationMessage;
-  }
-  if (input.UserPoolAddOns !== undefined) {
-    bodyParams["UserPoolAddOns"] = serializeAws_json1_1UserPoolAddOnsType(
-      input.UserPoolAddOns,
-      context
-    );
-  }
-  if (input.UserPoolId !== undefined) {
-    bodyParams["UserPoolId"] = input.UserPoolId;
-  }
-  if (input.UserPoolTags !== undefined) {
-    bodyParams["UserPoolTags"] = serializeAws_json1_1UserPoolTagsType(
-      input.UserPoolTags,
-      context
-    );
-  }
-  if (input.VerificationMessageTemplate !== undefined) {
-    bodyParams[
-      "VerificationMessageTemplate"
-    ] = serializeAws_json1_1VerificationMessageTemplateType(
-      input.VerificationMessageTemplate,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.AccountRecoverySetting !== undefined && {
+      AccountRecoverySetting: serializeAws_json1_1AccountRecoverySettingType(
+        input.AccountRecoverySetting,
+        context
+      )
+    }),
+    ...(input.AdminCreateUserConfig !== undefined && {
+      AdminCreateUserConfig: serializeAws_json1_1AdminCreateUserConfigType(
+        input.AdminCreateUserConfig,
+        context
+      )
+    }),
+    ...(input.AutoVerifiedAttributes !== undefined && {
+      AutoVerifiedAttributes: serializeAws_json1_1VerifiedAttributesListType(
+        input.AutoVerifiedAttributes,
+        context
+      )
+    }),
+    ...(input.DeviceConfiguration !== undefined && {
+      DeviceConfiguration: serializeAws_json1_1DeviceConfigurationType(
+        input.DeviceConfiguration,
+        context
+      )
+    }),
+    ...(input.EmailConfiguration !== undefined && {
+      EmailConfiguration: serializeAws_json1_1EmailConfigurationType(
+        input.EmailConfiguration,
+        context
+      )
+    }),
+    ...(input.EmailVerificationMessage !== undefined && {
+      EmailVerificationMessage: input.EmailVerificationMessage
+    }),
+    ...(input.EmailVerificationSubject !== undefined && {
+      EmailVerificationSubject: input.EmailVerificationSubject
+    }),
+    ...(input.LambdaConfig !== undefined && {
+      LambdaConfig: serializeAws_json1_1LambdaConfigType(
+        input.LambdaConfig,
+        context
+      )
+    }),
+    ...(input.MfaConfiguration !== undefined && {
+      MfaConfiguration: input.MfaConfiguration
+    }),
+    ...(input.Policies !== undefined && {
+      Policies: serializeAws_json1_1UserPoolPolicyType(input.Policies, context)
+    }),
+    ...(input.SmsAuthenticationMessage !== undefined && {
+      SmsAuthenticationMessage: input.SmsAuthenticationMessage
+    }),
+    ...(input.SmsConfiguration !== undefined && {
+      SmsConfiguration: serializeAws_json1_1SmsConfigurationType(
+        input.SmsConfiguration,
+        context
+      )
+    }),
+    ...(input.SmsVerificationMessage !== undefined && {
+      SmsVerificationMessage: input.SmsVerificationMessage
+    }),
+    ...(input.UserPoolAddOns !== undefined && {
+      UserPoolAddOns: serializeAws_json1_1UserPoolAddOnsType(
+        input.UserPoolAddOns,
+        context
+      )
+    }),
+    ...(input.UserPoolId !== undefined && { UserPoolId: input.UserPoolId }),
+    ...(input.UserPoolTags !== undefined && {
+      UserPoolTags: serializeAws_json1_1UserPoolTagsType(
+        input.UserPoolTags,
+        context
+      )
+    }),
+    ...(input.VerificationMessageTemplate !== undefined && {
+      VerificationMessageTemplate: serializeAws_json1_1VerificationMessageTemplateType(
+        input.VerificationMessageTemplate,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1UserContextDataType = (
   input: UserContextDataType,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EncodedData !== undefined) {
-    bodyParams["EncodedData"] = input.EncodedData;
-  }
-  return bodyParams;
+  return {
+    ...(input.EncodedData !== undefined && { EncodedData: input.EncodedData })
+  };
 };
 
 const serializeAws_json1_1UserPoolAddOnsType = (
   input: UserPoolAddOnsType,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AdvancedSecurityMode !== undefined) {
-    bodyParams["AdvancedSecurityMode"] = input.AdvancedSecurityMode;
-  }
-  return bodyParams;
+  return {
+    ...(input.AdvancedSecurityMode !== undefined && {
+      AdvancedSecurityMode: input.AdvancedSecurityMode
+    })
+  };
 };
 
 const serializeAws_json1_1UserPoolPolicyType = (
   input: UserPoolPolicyType,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.PasswordPolicy !== undefined) {
-    bodyParams["PasswordPolicy"] = serializeAws_json1_1PasswordPolicyType(
-      input.PasswordPolicy,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.PasswordPolicy !== undefined && {
+      PasswordPolicy: serializeAws_json1_1PasswordPolicyType(
+        input.PasswordPolicy,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1UserPoolTagsListType = (
@@ -19684,26 +19071,24 @@ const serializeAws_json1_1VerificationMessageTemplateType = (
   input: VerificationMessageTemplateType,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DefaultEmailOption !== undefined) {
-    bodyParams["DefaultEmailOption"] = input.DefaultEmailOption;
-  }
-  if (input.EmailMessage !== undefined) {
-    bodyParams["EmailMessage"] = input.EmailMessage;
-  }
-  if (input.EmailMessageByLink !== undefined) {
-    bodyParams["EmailMessageByLink"] = input.EmailMessageByLink;
-  }
-  if (input.EmailSubject !== undefined) {
-    bodyParams["EmailSubject"] = input.EmailSubject;
-  }
-  if (input.EmailSubjectByLink !== undefined) {
-    bodyParams["EmailSubjectByLink"] = input.EmailSubjectByLink;
-  }
-  if (input.SmsMessage !== undefined) {
-    bodyParams["SmsMessage"] = input.SmsMessage;
-  }
-  return bodyParams;
+  return {
+    ...(input.DefaultEmailOption !== undefined && {
+      DefaultEmailOption: input.DefaultEmailOption
+    }),
+    ...(input.EmailMessage !== undefined && {
+      EmailMessage: input.EmailMessage
+    }),
+    ...(input.EmailMessageByLink !== undefined && {
+      EmailMessageByLink: input.EmailMessageByLink
+    }),
+    ...(input.EmailSubject !== undefined && {
+      EmailSubject: input.EmailSubject
+    }),
+    ...(input.EmailSubjectByLink !== undefined && {
+      EmailSubjectByLink: input.EmailSubjectByLink
+    }),
+    ...(input.SmsMessage !== undefined && { SmsMessage: input.SmsMessage })
+  };
 };
 
 const serializeAws_json1_1VerifiedAttributesListType = (
@@ -19717,37 +19102,27 @@ const serializeAws_json1_1VerifySoftwareTokenRequest = (
   input: VerifySoftwareTokenRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AccessToken !== undefined) {
-    bodyParams["AccessToken"] = input.AccessToken;
-  }
-  if (input.FriendlyDeviceName !== undefined) {
-    bodyParams["FriendlyDeviceName"] = input.FriendlyDeviceName;
-  }
-  if (input.Session !== undefined) {
-    bodyParams["Session"] = input.Session;
-  }
-  if (input.UserCode !== undefined) {
-    bodyParams["UserCode"] = input.UserCode;
-  }
-  return bodyParams;
+  return {
+    ...(input.AccessToken !== undefined && { AccessToken: input.AccessToken }),
+    ...(input.FriendlyDeviceName !== undefined && {
+      FriendlyDeviceName: input.FriendlyDeviceName
+    }),
+    ...(input.Session !== undefined && { Session: input.Session }),
+    ...(input.UserCode !== undefined && { UserCode: input.UserCode })
+  };
 };
 
 const serializeAws_json1_1VerifyUserAttributeRequest = (
   input: VerifyUserAttributeRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AccessToken !== undefined) {
-    bodyParams["AccessToken"] = input.AccessToken;
-  }
-  if (input.AttributeName !== undefined) {
-    bodyParams["AttributeName"] = input.AttributeName;
-  }
-  if (input.Code !== undefined) {
-    bodyParams["Code"] = input.Code;
-  }
-  return bodyParams;
+  return {
+    ...(input.AccessToken !== undefined && { AccessToken: input.AccessToken }),
+    ...(input.AttributeName !== undefined && {
+      AttributeName: input.AttributeName
+    }),
+    ...(input.Code !== undefined && { Code: input.Code })
+  };
 };
 
 const deserializeAws_json1_1AccountRecoverySettingType = (
diff --git a/clients/client-cognito-identity/protocols/Aws_json1_1.ts b/clients/client-cognito-identity/protocols/Aws_json1_1.ts
index 6f314b438a5e..d7defad924b7 100644
--- a/clients/client-cognito-identity/protocols/Aws_json1_1.ts
+++ b/clients/client-cognito-identity/protocols/Aws_json1_1.ts
@@ -3096,17 +3096,15 @@ const serializeAws_json1_1CognitoIdentityProvider = (
   input: CognitoIdentityProvider,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ClientId !== undefined) {
-    bodyParams["ClientId"] = input.ClientId;
-  }
-  if (input.ProviderName !== undefined) {
-    bodyParams["ProviderName"] = input.ProviderName;
-  }
-  if (input.ServerSideTokenCheck !== undefined) {
-    bodyParams["ServerSideTokenCheck"] = input.ServerSideTokenCheck;
-  }
-  return bodyParams;
+  return {
+    ...(input.ClientId !== undefined && { ClientId: input.ClientId }),
+    ...(input.ProviderName !== undefined && {
+      ProviderName: input.ProviderName
+    }),
+    ...(input.ServerSideTokenCheck !== undefined && {
+      ServerSideTokenCheck: input.ServerSideTokenCheck
+    })
+  };
 };
 
 const serializeAws_json1_1CognitoIdentityProviderList = (
@@ -3122,183 +3120,166 @@ const serializeAws_json1_1CreateIdentityPoolInput = (
   input: CreateIdentityPoolInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AllowClassicFlow !== undefined) {
-    bodyParams["AllowClassicFlow"] = input.AllowClassicFlow;
-  }
-  if (input.AllowUnauthenticatedIdentities !== undefined) {
-    bodyParams["AllowUnauthenticatedIdentities"] =
-      input.AllowUnauthenticatedIdentities;
-  }
-  if (input.CognitoIdentityProviders !== undefined) {
-    bodyParams[
-      "CognitoIdentityProviders"
-    ] = serializeAws_json1_1CognitoIdentityProviderList(
-      input.CognitoIdentityProviders,
-      context
-    );
-  }
-  if (input.DeveloperProviderName !== undefined) {
-    bodyParams["DeveloperProviderName"] = input.DeveloperProviderName;
-  }
-  if (input.IdentityPoolName !== undefined) {
-    bodyParams["IdentityPoolName"] = input.IdentityPoolName;
-  }
-  if (input.IdentityPoolTags !== undefined) {
-    bodyParams["IdentityPoolTags"] = serializeAws_json1_1IdentityPoolTagsType(
-      input.IdentityPoolTags,
-      context
-    );
-  }
-  if (input.OpenIdConnectProviderARNs !== undefined) {
-    bodyParams[
-      "OpenIdConnectProviderARNs"
-    ] = serializeAws_json1_1OIDCProviderList(
-      input.OpenIdConnectProviderARNs,
-      context
-    );
-  }
-  if (input.SamlProviderARNs !== undefined) {
-    bodyParams["SamlProviderARNs"] = serializeAws_json1_1SAMLProviderList(
-      input.SamlProviderARNs,
-      context
-    );
-  }
-  if (input.SupportedLoginProviders !== undefined) {
-    bodyParams[
-      "SupportedLoginProviders"
-    ] = serializeAws_json1_1IdentityProviders(
-      input.SupportedLoginProviders,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.AllowClassicFlow !== undefined && {
+      AllowClassicFlow: input.AllowClassicFlow
+    }),
+    ...(input.AllowUnauthenticatedIdentities !== undefined && {
+      AllowUnauthenticatedIdentities: input.AllowUnauthenticatedIdentities
+    }),
+    ...(input.CognitoIdentityProviders !== undefined && {
+      CognitoIdentityProviders: serializeAws_json1_1CognitoIdentityProviderList(
+        input.CognitoIdentityProviders,
+        context
+      )
+    }),
+    ...(input.DeveloperProviderName !== undefined && {
+      DeveloperProviderName: input.DeveloperProviderName
+    }),
+    ...(input.IdentityPoolName !== undefined && {
+      IdentityPoolName: input.IdentityPoolName
+    }),
+    ...(input.IdentityPoolTags !== undefined && {
+      IdentityPoolTags: serializeAws_json1_1IdentityPoolTagsType(
+        input.IdentityPoolTags,
+        context
+      )
+    }),
+    ...(input.OpenIdConnectProviderARNs !== undefined && {
+      OpenIdConnectProviderARNs: serializeAws_json1_1OIDCProviderList(
+        input.OpenIdConnectProviderARNs,
+        context
+      )
+    }),
+    ...(input.SamlProviderARNs !== undefined && {
+      SamlProviderARNs: serializeAws_json1_1SAMLProviderList(
+        input.SamlProviderARNs,
+        context
+      )
+    }),
+    ...(input.SupportedLoginProviders !== undefined && {
+      SupportedLoginProviders: serializeAws_json1_1IdentityProviders(
+        input.SupportedLoginProviders,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteIdentitiesInput = (
   input: DeleteIdentitiesInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.IdentityIdsToDelete !== undefined) {
-    bodyParams["IdentityIdsToDelete"] = serializeAws_json1_1IdentityIdList(
-      input.IdentityIdsToDelete,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.IdentityIdsToDelete !== undefined && {
+      IdentityIdsToDelete: serializeAws_json1_1IdentityIdList(
+        input.IdentityIdsToDelete,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteIdentityPoolInput = (
   input: DeleteIdentityPoolInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.IdentityPoolId !== undefined) {
-    bodyParams["IdentityPoolId"] = input.IdentityPoolId;
-  }
-  return bodyParams;
+  return {
+    ...(input.IdentityPoolId !== undefined && {
+      IdentityPoolId: input.IdentityPoolId
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeIdentityInput = (
   input: DescribeIdentityInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.IdentityId !== undefined) {
-    bodyParams["IdentityId"] = input.IdentityId;
-  }
-  return bodyParams;
+  return {
+    ...(input.IdentityId !== undefined && { IdentityId: input.IdentityId })
+  };
 };
 
 const serializeAws_json1_1DescribeIdentityPoolInput = (
   input: DescribeIdentityPoolInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.IdentityPoolId !== undefined) {
-    bodyParams["IdentityPoolId"] = input.IdentityPoolId;
-  }
-  return bodyParams;
+  return {
+    ...(input.IdentityPoolId !== undefined && {
+      IdentityPoolId: input.IdentityPoolId
+    })
+  };
 };
 
 const serializeAws_json1_1GetCredentialsForIdentityInput = (
   input: GetCredentialsForIdentityInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CustomRoleArn !== undefined) {
-    bodyParams["CustomRoleArn"] = input.CustomRoleArn;
-  }
-  if (input.IdentityId !== undefined) {
-    bodyParams["IdentityId"] = input.IdentityId;
-  }
-  if (input.Logins !== undefined) {
-    bodyParams["Logins"] = serializeAws_json1_1LoginsMap(input.Logins, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.CustomRoleArn !== undefined && {
+      CustomRoleArn: input.CustomRoleArn
+    }),
+    ...(input.IdentityId !== undefined && { IdentityId: input.IdentityId }),
+    ...(input.Logins !== undefined && {
+      Logins: serializeAws_json1_1LoginsMap(input.Logins, context)
+    })
+  };
 };
 
 const serializeAws_json1_1GetIdInput = (
   input: GetIdInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AccountId !== undefined) {
-    bodyParams["AccountId"] = input.AccountId;
-  }
-  if (input.IdentityPoolId !== undefined) {
-    bodyParams["IdentityPoolId"] = input.IdentityPoolId;
-  }
-  if (input.Logins !== undefined) {
-    bodyParams["Logins"] = serializeAws_json1_1LoginsMap(input.Logins, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.AccountId !== undefined && { AccountId: input.AccountId }),
+    ...(input.IdentityPoolId !== undefined && {
+      IdentityPoolId: input.IdentityPoolId
+    }),
+    ...(input.Logins !== undefined && {
+      Logins: serializeAws_json1_1LoginsMap(input.Logins, context)
+    })
+  };
 };
 
 const serializeAws_json1_1GetIdentityPoolRolesInput = (
   input: GetIdentityPoolRolesInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.IdentityPoolId !== undefined) {
-    bodyParams["IdentityPoolId"] = input.IdentityPoolId;
-  }
-  return bodyParams;
+  return {
+    ...(input.IdentityPoolId !== undefined && {
+      IdentityPoolId: input.IdentityPoolId
+    })
+  };
 };
 
 const serializeAws_json1_1GetOpenIdTokenForDeveloperIdentityInput = (
   input: GetOpenIdTokenForDeveloperIdentityInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.IdentityId !== undefined) {
-    bodyParams["IdentityId"] = input.IdentityId;
-  }
-  if (input.IdentityPoolId !== undefined) {
-    bodyParams["IdentityPoolId"] = input.IdentityPoolId;
-  }
-  if (input.Logins !== undefined) {
-    bodyParams["Logins"] = serializeAws_json1_1LoginsMap(input.Logins, context);
-  }
-  if (input.TokenDuration !== undefined) {
-    bodyParams["TokenDuration"] = input.TokenDuration;
-  }
-  return bodyParams;
+  return {
+    ...(input.IdentityId !== undefined && { IdentityId: input.IdentityId }),
+    ...(input.IdentityPoolId !== undefined && {
+      IdentityPoolId: input.IdentityPoolId
+    }),
+    ...(input.Logins !== undefined && {
+      Logins: serializeAws_json1_1LoginsMap(input.Logins, context)
+    }),
+    ...(input.TokenDuration !== undefined && {
+      TokenDuration: input.TokenDuration
+    })
+  };
 };
 
 const serializeAws_json1_1GetOpenIdTokenInput = (
   input: GetOpenIdTokenInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.IdentityId !== undefined) {
-    bodyParams["IdentityId"] = input.IdentityId;
-  }
-  if (input.Logins !== undefined) {
-    bodyParams["Logins"] = serializeAws_json1_1LoginsMap(input.Logins, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.IdentityId !== undefined && { IdentityId: input.IdentityId }),
+    ...(input.Logins !== undefined && {
+      Logins: serializeAws_json1_1LoginsMap(input.Logins, context)
+    })
+  };
 };
 
 const serializeAws_json1_1IdentityIdList = (
@@ -3312,60 +3293,53 @@ const serializeAws_json1_1IdentityPool = (
   input: IdentityPool,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AllowClassicFlow !== undefined) {
-    bodyParams["AllowClassicFlow"] = input.AllowClassicFlow;
-  }
-  if (input.AllowUnauthenticatedIdentities !== undefined) {
-    bodyParams["AllowUnauthenticatedIdentities"] =
-      input.AllowUnauthenticatedIdentities;
-  }
-  if (input.CognitoIdentityProviders !== undefined) {
-    bodyParams[
-      "CognitoIdentityProviders"
-    ] = serializeAws_json1_1CognitoIdentityProviderList(
-      input.CognitoIdentityProviders,
-      context
-    );
-  }
-  if (input.DeveloperProviderName !== undefined) {
-    bodyParams["DeveloperProviderName"] = input.DeveloperProviderName;
-  }
-  if (input.IdentityPoolId !== undefined) {
-    bodyParams["IdentityPoolId"] = input.IdentityPoolId;
-  }
-  if (input.IdentityPoolName !== undefined) {
-    bodyParams["IdentityPoolName"] = input.IdentityPoolName;
-  }
-  if (input.IdentityPoolTags !== undefined) {
-    bodyParams["IdentityPoolTags"] = serializeAws_json1_1IdentityPoolTagsType(
-      input.IdentityPoolTags,
-      context
-    );
-  }
-  if (input.OpenIdConnectProviderARNs !== undefined) {
-    bodyParams[
-      "OpenIdConnectProviderARNs"
-    ] = serializeAws_json1_1OIDCProviderList(
-      input.OpenIdConnectProviderARNs,
-      context
-    );
-  }
-  if (input.SamlProviderARNs !== undefined) {
-    bodyParams["SamlProviderARNs"] = serializeAws_json1_1SAMLProviderList(
-      input.SamlProviderARNs,
-      context
-    );
-  }
-  if (input.SupportedLoginProviders !== undefined) {
-    bodyParams[
-      "SupportedLoginProviders"
-    ] = serializeAws_json1_1IdentityProviders(
-      input.SupportedLoginProviders,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.AllowClassicFlow !== undefined && {
+      AllowClassicFlow: input.AllowClassicFlow
+    }),
+    ...(input.AllowUnauthenticatedIdentities !== undefined && {
+      AllowUnauthenticatedIdentities: input.AllowUnauthenticatedIdentities
+    }),
+    ...(input.CognitoIdentityProviders !== undefined && {
+      CognitoIdentityProviders: serializeAws_json1_1CognitoIdentityProviderList(
+        input.CognitoIdentityProviders,
+        context
+      )
+    }),
+    ...(input.DeveloperProviderName !== undefined && {
+      DeveloperProviderName: input.DeveloperProviderName
+    }),
+    ...(input.IdentityPoolId !== undefined && {
+      IdentityPoolId: input.IdentityPoolId
+    }),
+    ...(input.IdentityPoolName !== undefined && {
+      IdentityPoolName: input.IdentityPoolName
+    }),
+    ...(input.IdentityPoolTags !== undefined && {
+      IdentityPoolTags: serializeAws_json1_1IdentityPoolTagsType(
+        input.IdentityPoolTags,
+        context
+      )
+    }),
+    ...(input.OpenIdConnectProviderARNs !== undefined && {
+      OpenIdConnectProviderARNs: serializeAws_json1_1OIDCProviderList(
+        input.OpenIdConnectProviderARNs,
+        context
+      )
+    }),
+    ...(input.SamlProviderARNs !== undefined && {
+      SamlProviderARNs: serializeAws_json1_1SAMLProviderList(
+        input.SamlProviderARNs,
+        context
+      )
+    }),
+    ...(input.SupportedLoginProviders !== undefined && {
+      SupportedLoginProviders: serializeAws_json1_1IdentityProviders(
+        input.SupportedLoginProviders,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1IdentityPoolTagsListType = (
@@ -3399,45 +3373,35 @@ const serializeAws_json1_1ListIdentitiesInput = (
   input: ListIdentitiesInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.HideDisabled !== undefined) {
-    bodyParams["HideDisabled"] = input.HideDisabled;
-  }
-  if (input.IdentityPoolId !== undefined) {
-    bodyParams["IdentityPoolId"] = input.IdentityPoolId;
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.HideDisabled !== undefined && {
+      HideDisabled: input.HideDisabled
+    }),
+    ...(input.IdentityPoolId !== undefined && {
+      IdentityPoolId: input.IdentityPoolId
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1ListIdentityPoolsInput = (
   input: ListIdentityPoolsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1ListTagsForResourceInput = (
   input: ListTagsForResourceInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceArn !== undefined) {
-    bodyParams["ResourceArn"] = input.ResourceArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceArn !== undefined && { ResourceArn: input.ResourceArn })
+  };
 };
 
 const serializeAws_json1_1LoginsList = (
@@ -3461,43 +3425,29 @@ const serializeAws_json1_1LookupDeveloperIdentityInput = (
   input: LookupDeveloperIdentityInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DeveloperUserIdentifier !== undefined) {
-    bodyParams["DeveloperUserIdentifier"] = input.DeveloperUserIdentifier;
-  }
-  if (input.IdentityId !== undefined) {
-    bodyParams["IdentityId"] = input.IdentityId;
-  }
-  if (input.IdentityPoolId !== undefined) {
-    bodyParams["IdentityPoolId"] = input.IdentityPoolId;
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.DeveloperUserIdentifier !== undefined && {
+      DeveloperUserIdentifier: input.DeveloperUserIdentifier
+    }),
+    ...(input.IdentityId !== undefined && { IdentityId: input.IdentityId }),
+    ...(input.IdentityPoolId !== undefined && {
+      IdentityPoolId: input.IdentityPoolId
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1MappingRule = (
   input: MappingRule,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Claim !== undefined) {
-    bodyParams["Claim"] = input.Claim;
-  }
-  if (input.MatchType !== undefined) {
-    bodyParams["MatchType"] = input.MatchType;
-  }
-  if (input.RoleARN !== undefined) {
-    bodyParams["RoleARN"] = input.RoleARN;
-  }
-  if (input.Value !== undefined) {
-    bodyParams["Value"] = input.Value;
-  }
-  return bodyParams;
+  return {
+    ...(input.Claim !== undefined && { Claim: input.Claim }),
+    ...(input.MatchType !== undefined && { MatchType: input.MatchType }),
+    ...(input.RoleARN !== undefined && { RoleARN: input.RoleARN }),
+    ...(input.Value !== undefined && { Value: input.Value })
+  };
 };
 
 const serializeAws_json1_1MappingRulesList = (
@@ -3511,20 +3461,20 @@ const serializeAws_json1_1MergeDeveloperIdentitiesInput = (
   input: MergeDeveloperIdentitiesInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DestinationUserIdentifier !== undefined) {
-    bodyParams["DestinationUserIdentifier"] = input.DestinationUserIdentifier;
-  }
-  if (input.DeveloperProviderName !== undefined) {
-    bodyParams["DeveloperProviderName"] = input.DeveloperProviderName;
-  }
-  if (input.IdentityPoolId !== undefined) {
-    bodyParams["IdentityPoolId"] = input.IdentityPoolId;
-  }
-  if (input.SourceUserIdentifier !== undefined) {
-    bodyParams["SourceUserIdentifier"] = input.SourceUserIdentifier;
-  }
-  return bodyParams;
+  return {
+    ...(input.DestinationUserIdentifier !== undefined && {
+      DestinationUserIdentifier: input.DestinationUserIdentifier
+    }),
+    ...(input.DeveloperProviderName !== undefined && {
+      DeveloperProviderName: input.DeveloperProviderName
+    }),
+    ...(input.IdentityPoolId !== undefined && {
+      IdentityPoolId: input.IdentityPoolId
+    }),
+    ...(input.SourceUserIdentifier !== undefined && {
+      SourceUserIdentifier: input.SourceUserIdentifier
+    })
+  };
 };
 
 const serializeAws_json1_1OIDCProviderList = (
@@ -3538,22 +3488,18 @@ const serializeAws_json1_1RoleMapping = (
   input: RoleMapping,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AmbiguousRoleResolution !== undefined) {
-    bodyParams["AmbiguousRoleResolution"] = input.AmbiguousRoleResolution;
-  }
-  if (input.RulesConfiguration !== undefined) {
-    bodyParams[
-      "RulesConfiguration"
-    ] = serializeAws_json1_1RulesConfigurationType(
-      input.RulesConfiguration,
-      context
-    );
-  }
-  if (input.Type !== undefined) {
-    bodyParams["Type"] = input.Type;
-  }
-  return bodyParams;
+  return {
+    ...(input.AmbiguousRoleResolution !== undefined && {
+      AmbiguousRoleResolution: input.AmbiguousRoleResolution
+    }),
+    ...(input.RulesConfiguration !== undefined && {
+      RulesConfiguration: serializeAws_json1_1RulesConfigurationType(
+        input.RulesConfiguration,
+        context
+      )
+    }),
+    ...(input.Type !== undefined && { Type: input.Type })
+  };
 };
 
 const serializeAws_json1_1RoleMappingMap = (
@@ -3580,14 +3526,11 @@ const serializeAws_json1_1RulesConfigurationType = (
   input: RulesConfigurationType,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Rules !== undefined) {
-    bodyParams["Rules"] = serializeAws_json1_1MappingRulesList(
-      input.Rules,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Rules !== undefined && {
+      Rules: serializeAws_json1_1MappingRulesList(input.Rules, context)
+    })
+  };
 };
 
 const serializeAws_json1_1SAMLProviderList = (
@@ -3601,94 +3544,83 @@ const serializeAws_json1_1SetIdentityPoolRolesInput = (
   input: SetIdentityPoolRolesInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.IdentityPoolId !== undefined) {
-    bodyParams["IdentityPoolId"] = input.IdentityPoolId;
-  }
-  if (input.RoleMappings !== undefined) {
-    bodyParams["RoleMappings"] = serializeAws_json1_1RoleMappingMap(
-      input.RoleMappings,
-      context
-    );
-  }
-  if (input.Roles !== undefined) {
-    bodyParams["Roles"] = serializeAws_json1_1RolesMap(input.Roles, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.IdentityPoolId !== undefined && {
+      IdentityPoolId: input.IdentityPoolId
+    }),
+    ...(input.RoleMappings !== undefined && {
+      RoleMappings: serializeAws_json1_1RoleMappingMap(
+        input.RoleMappings,
+        context
+      )
+    }),
+    ...(input.Roles !== undefined && {
+      Roles: serializeAws_json1_1RolesMap(input.Roles, context)
+    })
+  };
 };
 
 const serializeAws_json1_1TagResourceInput = (
   input: TagResourceInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceArn !== undefined) {
-    bodyParams["ResourceArn"] = input.ResourceArn;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1IdentityPoolTagsType(
-      input.Tags,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceArn !== undefined && { ResourceArn: input.ResourceArn }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1IdentityPoolTagsType(input.Tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1UnlinkDeveloperIdentityInput = (
   input: UnlinkDeveloperIdentityInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DeveloperProviderName !== undefined) {
-    bodyParams["DeveloperProviderName"] = input.DeveloperProviderName;
-  }
-  if (input.DeveloperUserIdentifier !== undefined) {
-    bodyParams["DeveloperUserIdentifier"] = input.DeveloperUserIdentifier;
-  }
-  if (input.IdentityId !== undefined) {
-    bodyParams["IdentityId"] = input.IdentityId;
-  }
-  if (input.IdentityPoolId !== undefined) {
-    bodyParams["IdentityPoolId"] = input.IdentityPoolId;
-  }
-  return bodyParams;
+  return {
+    ...(input.DeveloperProviderName !== undefined && {
+      DeveloperProviderName: input.DeveloperProviderName
+    }),
+    ...(input.DeveloperUserIdentifier !== undefined && {
+      DeveloperUserIdentifier: input.DeveloperUserIdentifier
+    }),
+    ...(input.IdentityId !== undefined && { IdentityId: input.IdentityId }),
+    ...(input.IdentityPoolId !== undefined && {
+      IdentityPoolId: input.IdentityPoolId
+    })
+  };
 };
 
 const serializeAws_json1_1UnlinkIdentityInput = (
   input: UnlinkIdentityInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.IdentityId !== undefined) {
-    bodyParams["IdentityId"] = input.IdentityId;
-  }
-  if (input.Logins !== undefined) {
-    bodyParams["Logins"] = serializeAws_json1_1LoginsMap(input.Logins, context);
-  }
-  if (input.LoginsToRemove !== undefined) {
-    bodyParams["LoginsToRemove"] = serializeAws_json1_1LoginsList(
-      input.LoginsToRemove,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.IdentityId !== undefined && { IdentityId: input.IdentityId }),
+    ...(input.Logins !== undefined && {
+      Logins: serializeAws_json1_1LoginsMap(input.Logins, context)
+    }),
+    ...(input.LoginsToRemove !== undefined && {
+      LoginsToRemove: serializeAws_json1_1LoginsList(
+        input.LoginsToRemove,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1UntagResourceInput = (
   input: UntagResourceInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceArn !== undefined) {
-    bodyParams["ResourceArn"] = input.ResourceArn;
-  }
-  if (input.TagKeys !== undefined) {
-    bodyParams["TagKeys"] = serializeAws_json1_1IdentityPoolTagsListType(
-      input.TagKeys,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceArn !== undefined && { ResourceArn: input.ResourceArn }),
+    ...(input.TagKeys !== undefined && {
+      TagKeys: serializeAws_json1_1IdentityPoolTagsListType(
+        input.TagKeys,
+        context
+      )
+    })
+  };
 };
 
 const deserializeAws_json1_1CognitoIdentityProvider = (
diff --git a/clients/client-cognito-sync/protocols/Aws_restJson1_1.ts b/clients/client-cognito-sync/protocols/Aws_restJson1_1.ts
index c724ac9553b5..a4ee13b85eeb 100644
--- a/clients/client-cognito-sync/protocols/Aws_restJson1_1.ts
+++ b/clients/client-cognito-sync/protocols/Aws_restJson1_1.ts
@@ -3218,20 +3218,16 @@ const serializeAws_restJson1_1CognitoStreams = (
   input: CognitoStreams,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DisabledReason !== undefined) {
-    bodyParams["DisabledReason"] = input.DisabledReason;
-  }
-  if (input.RoleArn !== undefined) {
-    bodyParams["RoleArn"] = input.RoleArn;
-  }
-  if (input.StreamName !== undefined) {
-    bodyParams["StreamName"] = input.StreamName;
-  }
-  if (input.StreamingStatus !== undefined) {
-    bodyParams["StreamingStatus"] = input.StreamingStatus;
-  }
-  return bodyParams;
+  return {
+    ...(input.DisabledReason !== undefined && {
+      DisabledReason: input.DisabledReason
+    }),
+    ...(input.RoleArn !== undefined && { RoleArn: input.RoleArn }),
+    ...(input.StreamName !== undefined && { StreamName: input.StreamName }),
+    ...(input.StreamingStatus !== undefined && {
+      StreamingStatus: input.StreamingStatus
+    })
+  };
 };
 
 const serializeAws_restJson1_1Events = (
@@ -3248,42 +3244,32 @@ const serializeAws_restJson1_1PushSync = (
   input: PushSync,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ApplicationArns !== undefined) {
-    bodyParams["ApplicationArns"] = serializeAws_restJson1_1ApplicationArnList(
-      input.ApplicationArns,
-      context
-    );
-  }
-  if (input.RoleArn !== undefined) {
-    bodyParams["RoleArn"] = input.RoleArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.ApplicationArns !== undefined && {
+      ApplicationArns: serializeAws_restJson1_1ApplicationArnList(
+        input.ApplicationArns,
+        context
+      )
+    }),
+    ...(input.RoleArn !== undefined && { RoleArn: input.RoleArn })
+  };
 };
 
 const serializeAws_restJson1_1RecordPatch = (
   input: RecordPatch,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DeviceLastModifiedDate !== undefined) {
-    bodyParams["DeviceLastModifiedDate"] = Math.round(
-      input.DeviceLastModifiedDate.getTime() / 1000
-    );
-  }
-  if (input.Key !== undefined) {
-    bodyParams["Key"] = input.Key;
-  }
-  if (input.Op !== undefined) {
-    bodyParams["Op"] = input.Op;
-  }
-  if (input.SyncCount !== undefined) {
-    bodyParams["SyncCount"] = input.SyncCount;
-  }
-  if (input.Value !== undefined) {
-    bodyParams["Value"] = input.Value;
-  }
-  return bodyParams;
+  return {
+    ...(input.DeviceLastModifiedDate !== undefined && {
+      DeviceLastModifiedDate: Math.round(
+        input.DeviceLastModifiedDate.getTime() / 1000
+      )
+    }),
+    ...(input.Key !== undefined && { Key: input.Key }),
+    ...(input.Op !== undefined && { Op: input.Op }),
+    ...(input.SyncCount !== undefined && { SyncCount: input.SyncCount }),
+    ...(input.Value !== undefined && { Value: input.Value })
+  };
 };
 
 const serializeAws_restJson1_1RecordPatchList = (
diff --git a/clients/client-comprehend/protocols/Aws_json1_1.ts b/clients/client-comprehend/protocols/Aws_json1_1.ts
index bff78c790b93..dc9c08bdcadd 100644
--- a/clients/client-comprehend/protocols/Aws_json1_1.ts
+++ b/clients/client-comprehend/protocols/Aws_json1_1.ts
@@ -6652,649 +6652,517 @@ const serializeAws_json1_1BatchDetectDominantLanguageRequest = (
   input: BatchDetectDominantLanguageRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.TextList !== undefined) {
-    bodyParams["TextList"] = serializeAws_json1_1StringList(
-      input.TextList,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.TextList !== undefined && {
+      TextList: serializeAws_json1_1StringList(input.TextList, context)
+    })
+  };
 };
 
 const serializeAws_json1_1BatchDetectEntitiesRequest = (
   input: BatchDetectEntitiesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.LanguageCode !== undefined) {
-    bodyParams["LanguageCode"] = input.LanguageCode;
-  }
-  if (input.TextList !== undefined) {
-    bodyParams["TextList"] = serializeAws_json1_1StringList(
-      input.TextList,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.LanguageCode !== undefined && {
+      LanguageCode: input.LanguageCode
+    }),
+    ...(input.TextList !== undefined && {
+      TextList: serializeAws_json1_1StringList(input.TextList, context)
+    })
+  };
 };
 
 const serializeAws_json1_1BatchDetectKeyPhrasesRequest = (
   input: BatchDetectKeyPhrasesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.LanguageCode !== undefined) {
-    bodyParams["LanguageCode"] = input.LanguageCode;
-  }
-  if (input.TextList !== undefined) {
-    bodyParams["TextList"] = serializeAws_json1_1StringList(
-      input.TextList,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.LanguageCode !== undefined && {
+      LanguageCode: input.LanguageCode
+    }),
+    ...(input.TextList !== undefined && {
+      TextList: serializeAws_json1_1StringList(input.TextList, context)
+    })
+  };
 };
 
 const serializeAws_json1_1BatchDetectSentimentRequest = (
   input: BatchDetectSentimentRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.LanguageCode !== undefined) {
-    bodyParams["LanguageCode"] = input.LanguageCode;
-  }
-  if (input.TextList !== undefined) {
-    bodyParams["TextList"] = serializeAws_json1_1StringList(
-      input.TextList,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.LanguageCode !== undefined && {
+      LanguageCode: input.LanguageCode
+    }),
+    ...(input.TextList !== undefined && {
+      TextList: serializeAws_json1_1StringList(input.TextList, context)
+    })
+  };
 };
 
 const serializeAws_json1_1BatchDetectSyntaxRequest = (
   input: BatchDetectSyntaxRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.LanguageCode !== undefined) {
-    bodyParams["LanguageCode"] = input.LanguageCode;
-  }
-  if (input.TextList !== undefined) {
-    bodyParams["TextList"] = serializeAws_json1_1StringList(
-      input.TextList,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.LanguageCode !== undefined && {
+      LanguageCode: input.LanguageCode
+    }),
+    ...(input.TextList !== undefined && {
+      TextList: serializeAws_json1_1StringList(input.TextList, context)
+    })
+  };
 };
 
 const serializeAws_json1_1ClassifyDocumentRequest = (
   input: ClassifyDocumentRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EndpointArn !== undefined) {
-    bodyParams["EndpointArn"] = input.EndpointArn;
-  }
-  if (input.Text !== undefined) {
-    bodyParams["Text"] = input.Text;
-  }
-  return bodyParams;
+  return {
+    ...(input.EndpointArn !== undefined && { EndpointArn: input.EndpointArn }),
+    ...(input.Text !== undefined && { Text: input.Text })
+  };
 };
 
 const serializeAws_json1_1CreateDocumentClassifierRequest = (
   input: CreateDocumentClassifierRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ClientRequestToken === undefined) {
-    input.ClientRequestToken = generateIdempotencyToken();
-  }
-  if (input.ClientRequestToken !== undefined) {
-    bodyParams["ClientRequestToken"] = input.ClientRequestToken;
-  }
-  if (input.DataAccessRoleArn !== undefined) {
-    bodyParams["DataAccessRoleArn"] = input.DataAccessRoleArn;
-  }
-  if (input.DocumentClassifierName !== undefined) {
-    bodyParams["DocumentClassifierName"] = input.DocumentClassifierName;
-  }
-  if (input.InputDataConfig !== undefined) {
-    bodyParams[
-      "InputDataConfig"
-    ] = serializeAws_json1_1DocumentClassifierInputDataConfig(
-      input.InputDataConfig,
-      context
-    );
-  }
-  if (input.LanguageCode !== undefined) {
-    bodyParams["LanguageCode"] = input.LanguageCode;
-  }
-  if (input.Mode !== undefined) {
-    bodyParams["Mode"] = input.Mode;
-  }
-  if (input.OutputDataConfig !== undefined) {
-    bodyParams[
-      "OutputDataConfig"
-    ] = serializeAws_json1_1DocumentClassifierOutputDataConfig(
-      input.OutputDataConfig,
-      context
-    );
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagList(input.Tags, context);
-  }
-  if (input.VolumeKmsKeyId !== undefined) {
-    bodyParams["VolumeKmsKeyId"] = input.VolumeKmsKeyId;
-  }
-  if (input.VpcConfig !== undefined) {
-    bodyParams["VpcConfig"] = serializeAws_json1_1VpcConfig(
-      input.VpcConfig,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ClientRequestToken: input.ClientRequestToken ?? generateIdempotencyToken(),
+    ...(input.DataAccessRoleArn !== undefined && {
+      DataAccessRoleArn: input.DataAccessRoleArn
+    }),
+    ...(input.DocumentClassifierName !== undefined && {
+      DocumentClassifierName: input.DocumentClassifierName
+    }),
+    ...(input.InputDataConfig !== undefined && {
+      InputDataConfig: serializeAws_json1_1DocumentClassifierInputDataConfig(
+        input.InputDataConfig,
+        context
+      )
+    }),
+    ...(input.LanguageCode !== undefined && {
+      LanguageCode: input.LanguageCode
+    }),
+    ...(input.Mode !== undefined && { Mode: input.Mode }),
+    ...(input.OutputDataConfig !== undefined && {
+      OutputDataConfig: serializeAws_json1_1DocumentClassifierOutputDataConfig(
+        input.OutputDataConfig,
+        context
+      )
+    }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagList(input.Tags, context)
+    }),
+    ...(input.VolumeKmsKeyId !== undefined && {
+      VolumeKmsKeyId: input.VolumeKmsKeyId
+    }),
+    ...(input.VpcConfig !== undefined && {
+      VpcConfig: serializeAws_json1_1VpcConfig(input.VpcConfig, context)
+    })
+  };
 };
 
 const serializeAws_json1_1CreateEndpointRequest = (
   input: CreateEndpointRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ClientRequestToken === undefined) {
-    input.ClientRequestToken = generateIdempotencyToken();
-  }
-  if (input.ClientRequestToken !== undefined) {
-    bodyParams["ClientRequestToken"] = input.ClientRequestToken;
-  }
-  if (input.DesiredInferenceUnits !== undefined) {
-    bodyParams["DesiredInferenceUnits"] = input.DesiredInferenceUnits;
-  }
-  if (input.EndpointName !== undefined) {
-    bodyParams["EndpointName"] = input.EndpointName;
-  }
-  if (input.ModelArn !== undefined) {
-    bodyParams["ModelArn"] = input.ModelArn;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagList(input.Tags, context);
-  }
-  return bodyParams;
+  return {
+    ClientRequestToken: input.ClientRequestToken ?? generateIdempotencyToken(),
+    ...(input.DesiredInferenceUnits !== undefined && {
+      DesiredInferenceUnits: input.DesiredInferenceUnits
+    }),
+    ...(input.EndpointName !== undefined && {
+      EndpointName: input.EndpointName
+    }),
+    ...(input.ModelArn !== undefined && { ModelArn: input.ModelArn }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagList(input.Tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1CreateEntityRecognizerRequest = (
   input: CreateEntityRecognizerRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ClientRequestToken === undefined) {
-    input.ClientRequestToken = generateIdempotencyToken();
-  }
-  if (input.ClientRequestToken !== undefined) {
-    bodyParams["ClientRequestToken"] = input.ClientRequestToken;
-  }
-  if (input.DataAccessRoleArn !== undefined) {
-    bodyParams["DataAccessRoleArn"] = input.DataAccessRoleArn;
-  }
-  if (input.InputDataConfig !== undefined) {
-    bodyParams[
-      "InputDataConfig"
-    ] = serializeAws_json1_1EntityRecognizerInputDataConfig(
-      input.InputDataConfig,
-      context
-    );
-  }
-  if (input.LanguageCode !== undefined) {
-    bodyParams["LanguageCode"] = input.LanguageCode;
-  }
-  if (input.RecognizerName !== undefined) {
-    bodyParams["RecognizerName"] = input.RecognizerName;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagList(input.Tags, context);
-  }
-  if (input.VolumeKmsKeyId !== undefined) {
-    bodyParams["VolumeKmsKeyId"] = input.VolumeKmsKeyId;
-  }
-  if (input.VpcConfig !== undefined) {
-    bodyParams["VpcConfig"] = serializeAws_json1_1VpcConfig(
-      input.VpcConfig,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ClientRequestToken: input.ClientRequestToken ?? generateIdempotencyToken(),
+    ...(input.DataAccessRoleArn !== undefined && {
+      DataAccessRoleArn: input.DataAccessRoleArn
+    }),
+    ...(input.InputDataConfig !== undefined && {
+      InputDataConfig: serializeAws_json1_1EntityRecognizerInputDataConfig(
+        input.InputDataConfig,
+        context
+      )
+    }),
+    ...(input.LanguageCode !== undefined && {
+      LanguageCode: input.LanguageCode
+    }),
+    ...(input.RecognizerName !== undefined && {
+      RecognizerName: input.RecognizerName
+    }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagList(input.Tags, context)
+    }),
+    ...(input.VolumeKmsKeyId !== undefined && {
+      VolumeKmsKeyId: input.VolumeKmsKeyId
+    }),
+    ...(input.VpcConfig !== undefined && {
+      VpcConfig: serializeAws_json1_1VpcConfig(input.VpcConfig, context)
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteDocumentClassifierRequest = (
   input: DeleteDocumentClassifierRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DocumentClassifierArn !== undefined) {
-    bodyParams["DocumentClassifierArn"] = input.DocumentClassifierArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.DocumentClassifierArn !== undefined && {
+      DocumentClassifierArn: input.DocumentClassifierArn
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteEndpointRequest = (
   input: DeleteEndpointRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EndpointArn !== undefined) {
-    bodyParams["EndpointArn"] = input.EndpointArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.EndpointArn !== undefined && { EndpointArn: input.EndpointArn })
+  };
 };
 
 const serializeAws_json1_1DeleteEntityRecognizerRequest = (
   input: DeleteEntityRecognizerRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EntityRecognizerArn !== undefined) {
-    bodyParams["EntityRecognizerArn"] = input.EntityRecognizerArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.EntityRecognizerArn !== undefined && {
+      EntityRecognizerArn: input.EntityRecognizerArn
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeDocumentClassificationJobRequest = (
   input: DescribeDocumentClassificationJobRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.JobId !== undefined) {
-    bodyParams["JobId"] = input.JobId;
-  }
-  return bodyParams;
+  return {
+    ...(input.JobId !== undefined && { JobId: input.JobId })
+  };
 };
 
 const serializeAws_json1_1DescribeDocumentClassifierRequest = (
   input: DescribeDocumentClassifierRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DocumentClassifierArn !== undefined) {
-    bodyParams["DocumentClassifierArn"] = input.DocumentClassifierArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.DocumentClassifierArn !== undefined && {
+      DocumentClassifierArn: input.DocumentClassifierArn
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeDominantLanguageDetectionJobRequest = (
   input: DescribeDominantLanguageDetectionJobRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.JobId !== undefined) {
-    bodyParams["JobId"] = input.JobId;
-  }
-  return bodyParams;
+  return {
+    ...(input.JobId !== undefined && { JobId: input.JobId })
+  };
 };
 
 const serializeAws_json1_1DescribeEndpointRequest = (
   input: DescribeEndpointRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EndpointArn !== undefined) {
-    bodyParams["EndpointArn"] = input.EndpointArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.EndpointArn !== undefined && { EndpointArn: input.EndpointArn })
+  };
 };
 
 const serializeAws_json1_1DescribeEntitiesDetectionJobRequest = (
   input: DescribeEntitiesDetectionJobRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.JobId !== undefined) {
-    bodyParams["JobId"] = input.JobId;
-  }
-  return bodyParams;
+  return {
+    ...(input.JobId !== undefined && { JobId: input.JobId })
+  };
 };
 
 const serializeAws_json1_1DescribeEntityRecognizerRequest = (
   input: DescribeEntityRecognizerRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EntityRecognizerArn !== undefined) {
-    bodyParams["EntityRecognizerArn"] = input.EntityRecognizerArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.EntityRecognizerArn !== undefined && {
+      EntityRecognizerArn: input.EntityRecognizerArn
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeKeyPhrasesDetectionJobRequest = (
   input: DescribeKeyPhrasesDetectionJobRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.JobId !== undefined) {
-    bodyParams["JobId"] = input.JobId;
-  }
-  return bodyParams;
+  return {
+    ...(input.JobId !== undefined && { JobId: input.JobId })
+  };
 };
 
 const serializeAws_json1_1DescribeSentimentDetectionJobRequest = (
   input: DescribeSentimentDetectionJobRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.JobId !== undefined) {
-    bodyParams["JobId"] = input.JobId;
-  }
-  return bodyParams;
+  return {
+    ...(input.JobId !== undefined && { JobId: input.JobId })
+  };
 };
 
 const serializeAws_json1_1DescribeTopicsDetectionJobRequest = (
   input: DescribeTopicsDetectionJobRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.JobId !== undefined) {
-    bodyParams["JobId"] = input.JobId;
-  }
-  return bodyParams;
+  return {
+    ...(input.JobId !== undefined && { JobId: input.JobId })
+  };
 };
 
 const serializeAws_json1_1DetectDominantLanguageRequest = (
   input: DetectDominantLanguageRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Text !== undefined) {
-    bodyParams["Text"] = input.Text;
-  }
-  return bodyParams;
+  return {
+    ...(input.Text !== undefined && { Text: input.Text })
+  };
 };
 
 const serializeAws_json1_1DetectEntitiesRequest = (
   input: DetectEntitiesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.LanguageCode !== undefined) {
-    bodyParams["LanguageCode"] = input.LanguageCode;
-  }
-  if (input.Text !== undefined) {
-    bodyParams["Text"] = input.Text;
-  }
-  return bodyParams;
+  return {
+    ...(input.LanguageCode !== undefined && {
+      LanguageCode: input.LanguageCode
+    }),
+    ...(input.Text !== undefined && { Text: input.Text })
+  };
 };
 
 const serializeAws_json1_1DetectKeyPhrasesRequest = (
   input: DetectKeyPhrasesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.LanguageCode !== undefined) {
-    bodyParams["LanguageCode"] = input.LanguageCode;
-  }
-  if (input.Text !== undefined) {
-    bodyParams["Text"] = input.Text;
-  }
-  return bodyParams;
+  return {
+    ...(input.LanguageCode !== undefined && {
+      LanguageCode: input.LanguageCode
+    }),
+    ...(input.Text !== undefined && { Text: input.Text })
+  };
 };
 
 const serializeAws_json1_1DetectSentimentRequest = (
   input: DetectSentimentRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.LanguageCode !== undefined) {
-    bodyParams["LanguageCode"] = input.LanguageCode;
-  }
-  if (input.Text !== undefined) {
-    bodyParams["Text"] = input.Text;
-  }
-  return bodyParams;
+  return {
+    ...(input.LanguageCode !== undefined && {
+      LanguageCode: input.LanguageCode
+    }),
+    ...(input.Text !== undefined && { Text: input.Text })
+  };
 };
 
 const serializeAws_json1_1DetectSyntaxRequest = (
   input: DetectSyntaxRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.LanguageCode !== undefined) {
-    bodyParams["LanguageCode"] = input.LanguageCode;
-  }
-  if (input.Text !== undefined) {
-    bodyParams["Text"] = input.Text;
-  }
-  return bodyParams;
+  return {
+    ...(input.LanguageCode !== undefined && {
+      LanguageCode: input.LanguageCode
+    }),
+    ...(input.Text !== undefined && { Text: input.Text })
+  };
 };
 
 const serializeAws_json1_1DocumentClassificationJobFilter = (
   input: DocumentClassificationJobFilter,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.JobName !== undefined) {
-    bodyParams["JobName"] = input.JobName;
-  }
-  if (input.JobStatus !== undefined) {
-    bodyParams["JobStatus"] = input.JobStatus;
-  }
-  if (input.SubmitTimeAfter !== undefined) {
-    bodyParams["SubmitTimeAfter"] = Math.round(
-      input.SubmitTimeAfter.getTime() / 1000
-    );
-  }
-  if (input.SubmitTimeBefore !== undefined) {
-    bodyParams["SubmitTimeBefore"] = Math.round(
-      input.SubmitTimeBefore.getTime() / 1000
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.JobName !== undefined && { JobName: input.JobName }),
+    ...(input.JobStatus !== undefined && { JobStatus: input.JobStatus }),
+    ...(input.SubmitTimeAfter !== undefined && {
+      SubmitTimeAfter: Math.round(input.SubmitTimeAfter.getTime() / 1000)
+    }),
+    ...(input.SubmitTimeBefore !== undefined && {
+      SubmitTimeBefore: Math.round(input.SubmitTimeBefore.getTime() / 1000)
+    })
+  };
 };
 
 const serializeAws_json1_1DocumentClassifierFilter = (
   input: DocumentClassifierFilter,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Status !== undefined) {
-    bodyParams["Status"] = input.Status;
-  }
-  if (input.SubmitTimeAfter !== undefined) {
-    bodyParams["SubmitTimeAfter"] = Math.round(
-      input.SubmitTimeAfter.getTime() / 1000
-    );
-  }
-  if (input.SubmitTimeBefore !== undefined) {
-    bodyParams["SubmitTimeBefore"] = Math.round(
-      input.SubmitTimeBefore.getTime() / 1000
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Status !== undefined && { Status: input.Status }),
+    ...(input.SubmitTimeAfter !== undefined && {
+      SubmitTimeAfter: Math.round(input.SubmitTimeAfter.getTime() / 1000)
+    }),
+    ...(input.SubmitTimeBefore !== undefined && {
+      SubmitTimeBefore: Math.round(input.SubmitTimeBefore.getTime() / 1000)
+    })
+  };
 };
 
 const serializeAws_json1_1DocumentClassifierInputDataConfig = (
   input: DocumentClassifierInputDataConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.LabelDelimiter !== undefined) {
-    bodyParams["LabelDelimiter"] = input.LabelDelimiter;
-  }
-  if (input.S3Uri !== undefined) {
-    bodyParams["S3Uri"] = input.S3Uri;
-  }
-  return bodyParams;
+  return {
+    ...(input.LabelDelimiter !== undefined && {
+      LabelDelimiter: input.LabelDelimiter
+    }),
+    ...(input.S3Uri !== undefined && { S3Uri: input.S3Uri })
+  };
 };
 
 const serializeAws_json1_1DocumentClassifierOutputDataConfig = (
   input: DocumentClassifierOutputDataConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.KmsKeyId !== undefined) {
-    bodyParams["KmsKeyId"] = input.KmsKeyId;
-  }
-  if (input.S3Uri !== undefined) {
-    bodyParams["S3Uri"] = input.S3Uri;
-  }
-  return bodyParams;
+  return {
+    ...(input.KmsKeyId !== undefined && { KmsKeyId: input.KmsKeyId }),
+    ...(input.S3Uri !== undefined && { S3Uri: input.S3Uri })
+  };
 };
 
 const serializeAws_json1_1DominantLanguageDetectionJobFilter = (
   input: DominantLanguageDetectionJobFilter,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.JobName !== undefined) {
-    bodyParams["JobName"] = input.JobName;
-  }
-  if (input.JobStatus !== undefined) {
-    bodyParams["JobStatus"] = input.JobStatus;
-  }
-  if (input.SubmitTimeAfter !== undefined) {
-    bodyParams["SubmitTimeAfter"] = Math.round(
-      input.SubmitTimeAfter.getTime() / 1000
-    );
-  }
-  if (input.SubmitTimeBefore !== undefined) {
-    bodyParams["SubmitTimeBefore"] = Math.round(
-      input.SubmitTimeBefore.getTime() / 1000
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.JobName !== undefined && { JobName: input.JobName }),
+    ...(input.JobStatus !== undefined && { JobStatus: input.JobStatus }),
+    ...(input.SubmitTimeAfter !== undefined && {
+      SubmitTimeAfter: Math.round(input.SubmitTimeAfter.getTime() / 1000)
+    }),
+    ...(input.SubmitTimeBefore !== undefined && {
+      SubmitTimeBefore: Math.round(input.SubmitTimeBefore.getTime() / 1000)
+    })
+  };
 };
 
 const serializeAws_json1_1EndpointFilter = (
   input: EndpointFilter,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CreationTimeAfter !== undefined) {
-    bodyParams["CreationTimeAfter"] = Math.round(
-      input.CreationTimeAfter.getTime() / 1000
-    );
-  }
-  if (input.CreationTimeBefore !== undefined) {
-    bodyParams["CreationTimeBefore"] = Math.round(
-      input.CreationTimeBefore.getTime() / 1000
-    );
-  }
-  if (input.ModelArn !== undefined) {
-    bodyParams["ModelArn"] = input.ModelArn;
-  }
-  if (input.Status !== undefined) {
-    bodyParams["Status"] = input.Status;
-  }
-  return bodyParams;
+  return {
+    ...(input.CreationTimeAfter !== undefined && {
+      CreationTimeAfter: Math.round(input.CreationTimeAfter.getTime() / 1000)
+    }),
+    ...(input.CreationTimeBefore !== undefined && {
+      CreationTimeBefore: Math.round(input.CreationTimeBefore.getTime() / 1000)
+    }),
+    ...(input.ModelArn !== undefined && { ModelArn: input.ModelArn }),
+    ...(input.Status !== undefined && { Status: input.Status })
+  };
 };
 
 const serializeAws_json1_1EntitiesDetectionJobFilter = (
   input: EntitiesDetectionJobFilter,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.JobName !== undefined) {
-    bodyParams["JobName"] = input.JobName;
-  }
-  if (input.JobStatus !== undefined) {
-    bodyParams["JobStatus"] = input.JobStatus;
-  }
-  if (input.SubmitTimeAfter !== undefined) {
-    bodyParams["SubmitTimeAfter"] = Math.round(
-      input.SubmitTimeAfter.getTime() / 1000
-    );
-  }
-  if (input.SubmitTimeBefore !== undefined) {
-    bodyParams["SubmitTimeBefore"] = Math.round(
-      input.SubmitTimeBefore.getTime() / 1000
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.JobName !== undefined && { JobName: input.JobName }),
+    ...(input.JobStatus !== undefined && { JobStatus: input.JobStatus }),
+    ...(input.SubmitTimeAfter !== undefined && {
+      SubmitTimeAfter: Math.round(input.SubmitTimeAfter.getTime() / 1000)
+    }),
+    ...(input.SubmitTimeBefore !== undefined && {
+      SubmitTimeBefore: Math.round(input.SubmitTimeBefore.getTime() / 1000)
+    })
+  };
 };
 
 const serializeAws_json1_1EntityRecognizerAnnotations = (
   input: EntityRecognizerAnnotations,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.S3Uri !== undefined) {
-    bodyParams["S3Uri"] = input.S3Uri;
-  }
-  return bodyParams;
+  return {
+    ...(input.S3Uri !== undefined && { S3Uri: input.S3Uri })
+  };
 };
 
 const serializeAws_json1_1EntityRecognizerDocuments = (
   input: EntityRecognizerDocuments,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.S3Uri !== undefined) {
-    bodyParams["S3Uri"] = input.S3Uri;
-  }
-  return bodyParams;
+  return {
+    ...(input.S3Uri !== undefined && { S3Uri: input.S3Uri })
+  };
 };
 
 const serializeAws_json1_1EntityRecognizerEntityList = (
   input: EntityRecognizerEntityList,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.S3Uri !== undefined) {
-    bodyParams["S3Uri"] = input.S3Uri;
-  }
-  return bodyParams;
+  return {
+    ...(input.S3Uri !== undefined && { S3Uri: input.S3Uri })
+  };
 };
 
 const serializeAws_json1_1EntityRecognizerFilter = (
   input: EntityRecognizerFilter,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Status !== undefined) {
-    bodyParams["Status"] = input.Status;
-  }
-  if (input.SubmitTimeAfter !== undefined) {
-    bodyParams["SubmitTimeAfter"] = Math.round(
-      input.SubmitTimeAfter.getTime() / 1000
-    );
-  }
-  if (input.SubmitTimeBefore !== undefined) {
-    bodyParams["SubmitTimeBefore"] = Math.round(
-      input.SubmitTimeBefore.getTime() / 1000
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Status !== undefined && { Status: input.Status }),
+    ...(input.SubmitTimeAfter !== undefined && {
+      SubmitTimeAfter: Math.round(input.SubmitTimeAfter.getTime() / 1000)
+    }),
+    ...(input.SubmitTimeBefore !== undefined && {
+      SubmitTimeBefore: Math.round(input.SubmitTimeBefore.getTime() / 1000)
+    })
+  };
 };
 
 const serializeAws_json1_1EntityRecognizerInputDataConfig = (
   input: EntityRecognizerInputDataConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Annotations !== undefined) {
-    bodyParams["Annotations"] = serializeAws_json1_1EntityRecognizerAnnotations(
-      input.Annotations,
-      context
-    );
-  }
-  if (input.Documents !== undefined) {
-    bodyParams["Documents"] = serializeAws_json1_1EntityRecognizerDocuments(
-      input.Documents,
-      context
-    );
-  }
-  if (input.EntityList !== undefined) {
-    bodyParams["EntityList"] = serializeAws_json1_1EntityRecognizerEntityList(
-      input.EntityList,
-      context
-    );
-  }
-  if (input.EntityTypes !== undefined) {
-    bodyParams["EntityTypes"] = serializeAws_json1_1EntityTypesList(
-      input.EntityTypes,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Annotations !== undefined && {
+      Annotations: serializeAws_json1_1EntityRecognizerAnnotations(
+        input.Annotations,
+        context
+      )
+    }),
+    ...(input.Documents !== undefined && {
+      Documents: serializeAws_json1_1EntityRecognizerDocuments(
+        input.Documents,
+        context
+      )
+    }),
+    ...(input.EntityList !== undefined && {
+      EntityList: serializeAws_json1_1EntityRecognizerEntityList(
+        input.EntityList,
+        context
+      )
+    }),
+    ...(input.EntityTypes !== undefined && {
+      EntityTypes: serializeAws_json1_1EntityTypesList(
+        input.EntityTypes,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1EntityTypesList = (
@@ -7310,256 +7178,192 @@ const serializeAws_json1_1EntityTypesListItem = (
   input: EntityTypesListItem,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Type !== undefined) {
-    bodyParams["Type"] = input.Type;
-  }
-  return bodyParams;
+  return {
+    ...(input.Type !== undefined && { Type: input.Type })
+  };
 };
 
 const serializeAws_json1_1InputDataConfig = (
   input: InputDataConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.InputFormat !== undefined) {
-    bodyParams["InputFormat"] = input.InputFormat;
-  }
-  if (input.S3Uri !== undefined) {
-    bodyParams["S3Uri"] = input.S3Uri;
-  }
-  return bodyParams;
+  return {
+    ...(input.InputFormat !== undefined && { InputFormat: input.InputFormat }),
+    ...(input.S3Uri !== undefined && { S3Uri: input.S3Uri })
+  };
 };
 
 const serializeAws_json1_1KeyPhrasesDetectionJobFilter = (
   input: KeyPhrasesDetectionJobFilter,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.JobName !== undefined) {
-    bodyParams["JobName"] = input.JobName;
-  }
-  if (input.JobStatus !== undefined) {
-    bodyParams["JobStatus"] = input.JobStatus;
-  }
-  if (input.SubmitTimeAfter !== undefined) {
-    bodyParams["SubmitTimeAfter"] = Math.round(
-      input.SubmitTimeAfter.getTime() / 1000
-    );
-  }
-  if (input.SubmitTimeBefore !== undefined) {
-    bodyParams["SubmitTimeBefore"] = Math.round(
-      input.SubmitTimeBefore.getTime() / 1000
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.JobName !== undefined && { JobName: input.JobName }),
+    ...(input.JobStatus !== undefined && { JobStatus: input.JobStatus }),
+    ...(input.SubmitTimeAfter !== undefined && {
+      SubmitTimeAfter: Math.round(input.SubmitTimeAfter.getTime() / 1000)
+    }),
+    ...(input.SubmitTimeBefore !== undefined && {
+      SubmitTimeBefore: Math.round(input.SubmitTimeBefore.getTime() / 1000)
+    })
+  };
 };
 
 const serializeAws_json1_1ListDocumentClassificationJobsRequest = (
   input: ListDocumentClassificationJobsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Filter !== undefined) {
-    bodyParams["Filter"] = serializeAws_json1_1DocumentClassificationJobFilter(
-      input.Filter,
-      context
-    );
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.Filter !== undefined && {
+      Filter: serializeAws_json1_1DocumentClassificationJobFilter(
+        input.Filter,
+        context
+      )
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1ListDocumentClassifiersRequest = (
   input: ListDocumentClassifiersRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Filter !== undefined) {
-    bodyParams["Filter"] = serializeAws_json1_1DocumentClassifierFilter(
-      input.Filter,
-      context
-    );
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.Filter !== undefined && {
+      Filter: serializeAws_json1_1DocumentClassifierFilter(
+        input.Filter,
+        context
+      )
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1ListDominantLanguageDetectionJobsRequest = (
   input: ListDominantLanguageDetectionJobsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Filter !== undefined) {
-    bodyParams[
-      "Filter"
-    ] = serializeAws_json1_1DominantLanguageDetectionJobFilter(
-      input.Filter,
-      context
-    );
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.Filter !== undefined && {
+      Filter: serializeAws_json1_1DominantLanguageDetectionJobFilter(
+        input.Filter,
+        context
+      )
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1ListEndpointsRequest = (
   input: ListEndpointsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Filter !== undefined) {
-    bodyParams["Filter"] = serializeAws_json1_1EndpointFilter(
-      input.Filter,
-      context
-    );
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.Filter !== undefined && {
+      Filter: serializeAws_json1_1EndpointFilter(input.Filter, context)
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1ListEntitiesDetectionJobsRequest = (
   input: ListEntitiesDetectionJobsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Filter !== undefined) {
-    bodyParams["Filter"] = serializeAws_json1_1EntitiesDetectionJobFilter(
-      input.Filter,
-      context
-    );
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.Filter !== undefined && {
+      Filter: serializeAws_json1_1EntitiesDetectionJobFilter(
+        input.Filter,
+        context
+      )
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1ListEntityRecognizersRequest = (
   input: ListEntityRecognizersRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Filter !== undefined) {
-    bodyParams["Filter"] = serializeAws_json1_1EntityRecognizerFilter(
-      input.Filter,
-      context
-    );
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.Filter !== undefined && {
+      Filter: serializeAws_json1_1EntityRecognizerFilter(input.Filter, context)
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1ListKeyPhrasesDetectionJobsRequest = (
   input: ListKeyPhrasesDetectionJobsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Filter !== undefined) {
-    bodyParams["Filter"] = serializeAws_json1_1KeyPhrasesDetectionJobFilter(
-      input.Filter,
-      context
-    );
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.Filter !== undefined && {
+      Filter: serializeAws_json1_1KeyPhrasesDetectionJobFilter(
+        input.Filter,
+        context
+      )
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1ListSentimentDetectionJobsRequest = (
   input: ListSentimentDetectionJobsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Filter !== undefined) {
-    bodyParams["Filter"] = serializeAws_json1_1SentimentDetectionJobFilter(
-      input.Filter,
-      context
-    );
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.Filter !== undefined && {
+      Filter: serializeAws_json1_1SentimentDetectionJobFilter(
+        input.Filter,
+        context
+      )
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1ListTagsForResourceRequest = (
   input: ListTagsForResourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceArn !== undefined) {
-    bodyParams["ResourceArn"] = input.ResourceArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceArn !== undefined && { ResourceArn: input.ResourceArn })
+  };
 };
 
 const serializeAws_json1_1ListTopicsDetectionJobsRequest = (
   input: ListTopicsDetectionJobsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Filter !== undefined) {
-    bodyParams["Filter"] = serializeAws_json1_1TopicsDetectionJobFilter(
-      input.Filter,
-      context
-    );
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.Filter !== undefined && {
+      Filter: serializeAws_json1_1TopicsDetectionJobFilter(
+        input.Filter,
+        context
+      )
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1OutputDataConfig = (
   input: OutputDataConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.KmsKeyId !== undefined) {
-    bodyParams["KmsKeyId"] = input.KmsKeyId;
-  }
-  if (input.S3Uri !== undefined) {
-    bodyParams["S3Uri"] = input.S3Uri;
-  }
-  return bodyParams;
+  return {
+    ...(input.KmsKeyId !== undefined && { KmsKeyId: input.KmsKeyId }),
+    ...(input.S3Uri !== undefined && { S3Uri: input.S3Uri })
+  };
 };
 
 const serializeAws_json1_1SecurityGroupIds = (
@@ -7573,354 +7377,278 @@ const serializeAws_json1_1SentimentDetectionJobFilter = (
   input: SentimentDetectionJobFilter,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.JobName !== undefined) {
-    bodyParams["JobName"] = input.JobName;
-  }
-  if (input.JobStatus !== undefined) {
-    bodyParams["JobStatus"] = input.JobStatus;
-  }
-  if (input.SubmitTimeAfter !== undefined) {
-    bodyParams["SubmitTimeAfter"] = Math.round(
-      input.SubmitTimeAfter.getTime() / 1000
-    );
-  }
-  if (input.SubmitTimeBefore !== undefined) {
-    bodyParams["SubmitTimeBefore"] = Math.round(
-      input.SubmitTimeBefore.getTime() / 1000
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.JobName !== undefined && { JobName: input.JobName }),
+    ...(input.JobStatus !== undefined && { JobStatus: input.JobStatus }),
+    ...(input.SubmitTimeAfter !== undefined && {
+      SubmitTimeAfter: Math.round(input.SubmitTimeAfter.getTime() / 1000)
+    }),
+    ...(input.SubmitTimeBefore !== undefined && {
+      SubmitTimeBefore: Math.round(input.SubmitTimeBefore.getTime() / 1000)
+    })
+  };
 };
 
 const serializeAws_json1_1StartDocumentClassificationJobRequest = (
   input: StartDocumentClassificationJobRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ClientRequestToken === undefined) {
-    input.ClientRequestToken = generateIdempotencyToken();
-  }
-  if (input.ClientRequestToken !== undefined) {
-    bodyParams["ClientRequestToken"] = input.ClientRequestToken;
-  }
-  if (input.DataAccessRoleArn !== undefined) {
-    bodyParams["DataAccessRoleArn"] = input.DataAccessRoleArn;
-  }
-  if (input.DocumentClassifierArn !== undefined) {
-    bodyParams["DocumentClassifierArn"] = input.DocumentClassifierArn;
-  }
-  if (input.InputDataConfig !== undefined) {
-    bodyParams["InputDataConfig"] = serializeAws_json1_1InputDataConfig(
-      input.InputDataConfig,
-      context
-    );
-  }
-  if (input.JobName !== undefined) {
-    bodyParams["JobName"] = input.JobName;
-  }
-  if (input.OutputDataConfig !== undefined) {
-    bodyParams["OutputDataConfig"] = serializeAws_json1_1OutputDataConfig(
-      input.OutputDataConfig,
-      context
-    );
-  }
-  if (input.VolumeKmsKeyId !== undefined) {
-    bodyParams["VolumeKmsKeyId"] = input.VolumeKmsKeyId;
-  }
-  if (input.VpcConfig !== undefined) {
-    bodyParams["VpcConfig"] = serializeAws_json1_1VpcConfig(
-      input.VpcConfig,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ClientRequestToken: input.ClientRequestToken ?? generateIdempotencyToken(),
+    ...(input.DataAccessRoleArn !== undefined && {
+      DataAccessRoleArn: input.DataAccessRoleArn
+    }),
+    ...(input.DocumentClassifierArn !== undefined && {
+      DocumentClassifierArn: input.DocumentClassifierArn
+    }),
+    ...(input.InputDataConfig !== undefined && {
+      InputDataConfig: serializeAws_json1_1InputDataConfig(
+        input.InputDataConfig,
+        context
+      )
+    }),
+    ...(input.JobName !== undefined && { JobName: input.JobName }),
+    ...(input.OutputDataConfig !== undefined && {
+      OutputDataConfig: serializeAws_json1_1OutputDataConfig(
+        input.OutputDataConfig,
+        context
+      )
+    }),
+    ...(input.VolumeKmsKeyId !== undefined && {
+      VolumeKmsKeyId: input.VolumeKmsKeyId
+    }),
+    ...(input.VpcConfig !== undefined && {
+      VpcConfig: serializeAws_json1_1VpcConfig(input.VpcConfig, context)
+    })
+  };
 };
 
 const serializeAws_json1_1StartDominantLanguageDetectionJobRequest = (
   input: StartDominantLanguageDetectionJobRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ClientRequestToken === undefined) {
-    input.ClientRequestToken = generateIdempotencyToken();
-  }
-  if (input.ClientRequestToken !== undefined) {
-    bodyParams["ClientRequestToken"] = input.ClientRequestToken;
-  }
-  if (input.DataAccessRoleArn !== undefined) {
-    bodyParams["DataAccessRoleArn"] = input.DataAccessRoleArn;
-  }
-  if (input.InputDataConfig !== undefined) {
-    bodyParams["InputDataConfig"] = serializeAws_json1_1InputDataConfig(
-      input.InputDataConfig,
-      context
-    );
-  }
-  if (input.JobName !== undefined) {
-    bodyParams["JobName"] = input.JobName;
-  }
-  if (input.OutputDataConfig !== undefined) {
-    bodyParams["OutputDataConfig"] = serializeAws_json1_1OutputDataConfig(
-      input.OutputDataConfig,
-      context
-    );
-  }
-  if (input.VolumeKmsKeyId !== undefined) {
-    bodyParams["VolumeKmsKeyId"] = input.VolumeKmsKeyId;
-  }
-  if (input.VpcConfig !== undefined) {
-    bodyParams["VpcConfig"] = serializeAws_json1_1VpcConfig(
-      input.VpcConfig,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ClientRequestToken: input.ClientRequestToken ?? generateIdempotencyToken(),
+    ...(input.DataAccessRoleArn !== undefined && {
+      DataAccessRoleArn: input.DataAccessRoleArn
+    }),
+    ...(input.InputDataConfig !== undefined && {
+      InputDataConfig: serializeAws_json1_1InputDataConfig(
+        input.InputDataConfig,
+        context
+      )
+    }),
+    ...(input.JobName !== undefined && { JobName: input.JobName }),
+    ...(input.OutputDataConfig !== undefined && {
+      OutputDataConfig: serializeAws_json1_1OutputDataConfig(
+        input.OutputDataConfig,
+        context
+      )
+    }),
+    ...(input.VolumeKmsKeyId !== undefined && {
+      VolumeKmsKeyId: input.VolumeKmsKeyId
+    }),
+    ...(input.VpcConfig !== undefined && {
+      VpcConfig: serializeAws_json1_1VpcConfig(input.VpcConfig, context)
+    })
+  };
 };
 
 const serializeAws_json1_1StartEntitiesDetectionJobRequest = (
   input: StartEntitiesDetectionJobRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ClientRequestToken === undefined) {
-    input.ClientRequestToken = generateIdempotencyToken();
-  }
-  if (input.ClientRequestToken !== undefined) {
-    bodyParams["ClientRequestToken"] = input.ClientRequestToken;
-  }
-  if (input.DataAccessRoleArn !== undefined) {
-    bodyParams["DataAccessRoleArn"] = input.DataAccessRoleArn;
-  }
-  if (input.EntityRecognizerArn !== undefined) {
-    bodyParams["EntityRecognizerArn"] = input.EntityRecognizerArn;
-  }
-  if (input.InputDataConfig !== undefined) {
-    bodyParams["InputDataConfig"] = serializeAws_json1_1InputDataConfig(
-      input.InputDataConfig,
-      context
-    );
-  }
-  if (input.JobName !== undefined) {
-    bodyParams["JobName"] = input.JobName;
-  }
-  if (input.LanguageCode !== undefined) {
-    bodyParams["LanguageCode"] = input.LanguageCode;
-  }
-  if (input.OutputDataConfig !== undefined) {
-    bodyParams["OutputDataConfig"] = serializeAws_json1_1OutputDataConfig(
-      input.OutputDataConfig,
-      context
-    );
-  }
-  if (input.VolumeKmsKeyId !== undefined) {
-    bodyParams["VolumeKmsKeyId"] = input.VolumeKmsKeyId;
-  }
-  if (input.VpcConfig !== undefined) {
-    bodyParams["VpcConfig"] = serializeAws_json1_1VpcConfig(
-      input.VpcConfig,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ClientRequestToken: input.ClientRequestToken ?? generateIdempotencyToken(),
+    ...(input.DataAccessRoleArn !== undefined && {
+      DataAccessRoleArn: input.DataAccessRoleArn
+    }),
+    ...(input.EntityRecognizerArn !== undefined && {
+      EntityRecognizerArn: input.EntityRecognizerArn
+    }),
+    ...(input.InputDataConfig !== undefined && {
+      InputDataConfig: serializeAws_json1_1InputDataConfig(
+        input.InputDataConfig,
+        context
+      )
+    }),
+    ...(input.JobName !== undefined && { JobName: input.JobName }),
+    ...(input.LanguageCode !== undefined && {
+      LanguageCode: input.LanguageCode
+    }),
+    ...(input.OutputDataConfig !== undefined && {
+      OutputDataConfig: serializeAws_json1_1OutputDataConfig(
+        input.OutputDataConfig,
+        context
+      )
+    }),
+    ...(input.VolumeKmsKeyId !== undefined && {
+      VolumeKmsKeyId: input.VolumeKmsKeyId
+    }),
+    ...(input.VpcConfig !== undefined && {
+      VpcConfig: serializeAws_json1_1VpcConfig(input.VpcConfig, context)
+    })
+  };
 };
 
 const serializeAws_json1_1StartKeyPhrasesDetectionJobRequest = (
   input: StartKeyPhrasesDetectionJobRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ClientRequestToken === undefined) {
-    input.ClientRequestToken = generateIdempotencyToken();
-  }
-  if (input.ClientRequestToken !== undefined) {
-    bodyParams["ClientRequestToken"] = input.ClientRequestToken;
-  }
-  if (input.DataAccessRoleArn !== undefined) {
-    bodyParams["DataAccessRoleArn"] = input.DataAccessRoleArn;
-  }
-  if (input.InputDataConfig !== undefined) {
-    bodyParams["InputDataConfig"] = serializeAws_json1_1InputDataConfig(
-      input.InputDataConfig,
-      context
-    );
-  }
-  if (input.JobName !== undefined) {
-    bodyParams["JobName"] = input.JobName;
-  }
-  if (input.LanguageCode !== undefined) {
-    bodyParams["LanguageCode"] = input.LanguageCode;
-  }
-  if (input.OutputDataConfig !== undefined) {
-    bodyParams["OutputDataConfig"] = serializeAws_json1_1OutputDataConfig(
-      input.OutputDataConfig,
-      context
-    );
-  }
-  if (input.VolumeKmsKeyId !== undefined) {
-    bodyParams["VolumeKmsKeyId"] = input.VolumeKmsKeyId;
-  }
-  if (input.VpcConfig !== undefined) {
-    bodyParams["VpcConfig"] = serializeAws_json1_1VpcConfig(
-      input.VpcConfig,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ClientRequestToken: input.ClientRequestToken ?? generateIdempotencyToken(),
+    ...(input.DataAccessRoleArn !== undefined && {
+      DataAccessRoleArn: input.DataAccessRoleArn
+    }),
+    ...(input.InputDataConfig !== undefined && {
+      InputDataConfig: serializeAws_json1_1InputDataConfig(
+        input.InputDataConfig,
+        context
+      )
+    }),
+    ...(input.JobName !== undefined && { JobName: input.JobName }),
+    ...(input.LanguageCode !== undefined && {
+      LanguageCode: input.LanguageCode
+    }),
+    ...(input.OutputDataConfig !== undefined && {
+      OutputDataConfig: serializeAws_json1_1OutputDataConfig(
+        input.OutputDataConfig,
+        context
+      )
+    }),
+    ...(input.VolumeKmsKeyId !== undefined && {
+      VolumeKmsKeyId: input.VolumeKmsKeyId
+    }),
+    ...(input.VpcConfig !== undefined && {
+      VpcConfig: serializeAws_json1_1VpcConfig(input.VpcConfig, context)
+    })
+  };
 };
 
 const serializeAws_json1_1StartSentimentDetectionJobRequest = (
   input: StartSentimentDetectionJobRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ClientRequestToken === undefined) {
-    input.ClientRequestToken = generateIdempotencyToken();
-  }
-  if (input.ClientRequestToken !== undefined) {
-    bodyParams["ClientRequestToken"] = input.ClientRequestToken;
-  }
-  if (input.DataAccessRoleArn !== undefined) {
-    bodyParams["DataAccessRoleArn"] = input.DataAccessRoleArn;
-  }
-  if (input.InputDataConfig !== undefined) {
-    bodyParams["InputDataConfig"] = serializeAws_json1_1InputDataConfig(
-      input.InputDataConfig,
-      context
-    );
-  }
-  if (input.JobName !== undefined) {
-    bodyParams["JobName"] = input.JobName;
-  }
-  if (input.LanguageCode !== undefined) {
-    bodyParams["LanguageCode"] = input.LanguageCode;
-  }
-  if (input.OutputDataConfig !== undefined) {
-    bodyParams["OutputDataConfig"] = serializeAws_json1_1OutputDataConfig(
-      input.OutputDataConfig,
-      context
-    );
-  }
-  if (input.VolumeKmsKeyId !== undefined) {
-    bodyParams["VolumeKmsKeyId"] = input.VolumeKmsKeyId;
-  }
-  if (input.VpcConfig !== undefined) {
-    bodyParams["VpcConfig"] = serializeAws_json1_1VpcConfig(
-      input.VpcConfig,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ClientRequestToken: input.ClientRequestToken ?? generateIdempotencyToken(),
+    ...(input.DataAccessRoleArn !== undefined && {
+      DataAccessRoleArn: input.DataAccessRoleArn
+    }),
+    ...(input.InputDataConfig !== undefined && {
+      InputDataConfig: serializeAws_json1_1InputDataConfig(
+        input.InputDataConfig,
+        context
+      )
+    }),
+    ...(input.JobName !== undefined && { JobName: input.JobName }),
+    ...(input.LanguageCode !== undefined && {
+      LanguageCode: input.LanguageCode
+    }),
+    ...(input.OutputDataConfig !== undefined && {
+      OutputDataConfig: serializeAws_json1_1OutputDataConfig(
+        input.OutputDataConfig,
+        context
+      )
+    }),
+    ...(input.VolumeKmsKeyId !== undefined && {
+      VolumeKmsKeyId: input.VolumeKmsKeyId
+    }),
+    ...(input.VpcConfig !== undefined && {
+      VpcConfig: serializeAws_json1_1VpcConfig(input.VpcConfig, context)
+    })
+  };
 };
 
 const serializeAws_json1_1StartTopicsDetectionJobRequest = (
   input: StartTopicsDetectionJobRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ClientRequestToken === undefined) {
-    input.ClientRequestToken = generateIdempotencyToken();
-  }
-  if (input.ClientRequestToken !== undefined) {
-    bodyParams["ClientRequestToken"] = input.ClientRequestToken;
-  }
-  if (input.DataAccessRoleArn !== undefined) {
-    bodyParams["DataAccessRoleArn"] = input.DataAccessRoleArn;
-  }
-  if (input.InputDataConfig !== undefined) {
-    bodyParams["InputDataConfig"] = serializeAws_json1_1InputDataConfig(
-      input.InputDataConfig,
-      context
-    );
-  }
-  if (input.JobName !== undefined) {
-    bodyParams["JobName"] = input.JobName;
-  }
-  if (input.NumberOfTopics !== undefined) {
-    bodyParams["NumberOfTopics"] = input.NumberOfTopics;
-  }
-  if (input.OutputDataConfig !== undefined) {
-    bodyParams["OutputDataConfig"] = serializeAws_json1_1OutputDataConfig(
-      input.OutputDataConfig,
-      context
-    );
-  }
-  if (input.VolumeKmsKeyId !== undefined) {
-    bodyParams["VolumeKmsKeyId"] = input.VolumeKmsKeyId;
-  }
-  if (input.VpcConfig !== undefined) {
-    bodyParams["VpcConfig"] = serializeAws_json1_1VpcConfig(
-      input.VpcConfig,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ClientRequestToken: input.ClientRequestToken ?? generateIdempotencyToken(),
+    ...(input.DataAccessRoleArn !== undefined && {
+      DataAccessRoleArn: input.DataAccessRoleArn
+    }),
+    ...(input.InputDataConfig !== undefined && {
+      InputDataConfig: serializeAws_json1_1InputDataConfig(
+        input.InputDataConfig,
+        context
+      )
+    }),
+    ...(input.JobName !== undefined && { JobName: input.JobName }),
+    ...(input.NumberOfTopics !== undefined && {
+      NumberOfTopics: input.NumberOfTopics
+    }),
+    ...(input.OutputDataConfig !== undefined && {
+      OutputDataConfig: serializeAws_json1_1OutputDataConfig(
+        input.OutputDataConfig,
+        context
+      )
+    }),
+    ...(input.VolumeKmsKeyId !== undefined && {
+      VolumeKmsKeyId: input.VolumeKmsKeyId
+    }),
+    ...(input.VpcConfig !== undefined && {
+      VpcConfig: serializeAws_json1_1VpcConfig(input.VpcConfig, context)
+    })
+  };
 };
 
 const serializeAws_json1_1StopDominantLanguageDetectionJobRequest = (
   input: StopDominantLanguageDetectionJobRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.JobId !== undefined) {
-    bodyParams["JobId"] = input.JobId;
-  }
-  return bodyParams;
+  return {
+    ...(input.JobId !== undefined && { JobId: input.JobId })
+  };
 };
 
 const serializeAws_json1_1StopEntitiesDetectionJobRequest = (
   input: StopEntitiesDetectionJobRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.JobId !== undefined) {
-    bodyParams["JobId"] = input.JobId;
-  }
-  return bodyParams;
+  return {
+    ...(input.JobId !== undefined && { JobId: input.JobId })
+  };
 };
 
 const serializeAws_json1_1StopKeyPhrasesDetectionJobRequest = (
   input: StopKeyPhrasesDetectionJobRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.JobId !== undefined) {
-    bodyParams["JobId"] = input.JobId;
-  }
-  return bodyParams;
+  return {
+    ...(input.JobId !== undefined && { JobId: input.JobId })
+  };
 };
 
 const serializeAws_json1_1StopSentimentDetectionJobRequest = (
   input: StopSentimentDetectionJobRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.JobId !== undefined) {
-    bodyParams["JobId"] = input.JobId;
-  }
-  return bodyParams;
+  return {
+    ...(input.JobId !== undefined && { JobId: input.JobId })
+  };
 };
 
 const serializeAws_json1_1StopTrainingDocumentClassifierRequest = (
   input: StopTrainingDocumentClassifierRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DocumentClassifierArn !== undefined) {
-    bodyParams["DocumentClassifierArn"] = input.DocumentClassifierArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.DocumentClassifierArn !== undefined && {
+      DocumentClassifierArn: input.DocumentClassifierArn
+    })
+  };
 };
 
 const serializeAws_json1_1StopTrainingEntityRecognizerRequest = (
   input: StopTrainingEntityRecognizerRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EntityRecognizerArn !== undefined) {
-    bodyParams["EntityRecognizerArn"] = input.EntityRecognizerArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.EntityRecognizerArn !== undefined && {
+      EntityRecognizerArn: input.EntityRecognizerArn
+    })
+  };
 };
 
 const serializeAws_json1_1StringList = (
@@ -7938,14 +7666,10 @@ const serializeAws_json1_1Subnets = (
 };
 
 const serializeAws_json1_1Tag = (input: Tag, context: __SerdeContext): any => {
-  const bodyParams: any = {};
-  if (input.Key !== undefined) {
-    bodyParams["Key"] = input.Key;
-  }
-  if (input.Value !== undefined) {
-    bodyParams["Value"] = input.Value;
-  }
-  return bodyParams;
+  return {
+    ...(input.Key !== undefined && { Key: input.Key }),
+    ...(input.Value !== undefined && { Value: input.Value })
+  };
 };
 
 const serializeAws_json1_1TagKeyList = (
@@ -7966,86 +7690,69 @@ const serializeAws_json1_1TagResourceRequest = (
   input: TagResourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceArn !== undefined) {
-    bodyParams["ResourceArn"] = input.ResourceArn;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagList(input.Tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceArn !== undefined && { ResourceArn: input.ResourceArn }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagList(input.Tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1TopicsDetectionJobFilter = (
   input: TopicsDetectionJobFilter,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.JobName !== undefined) {
-    bodyParams["JobName"] = input.JobName;
-  }
-  if (input.JobStatus !== undefined) {
-    bodyParams["JobStatus"] = input.JobStatus;
-  }
-  if (input.SubmitTimeAfter !== undefined) {
-    bodyParams["SubmitTimeAfter"] = Math.round(
-      input.SubmitTimeAfter.getTime() / 1000
-    );
-  }
-  if (input.SubmitTimeBefore !== undefined) {
-    bodyParams["SubmitTimeBefore"] = Math.round(
-      input.SubmitTimeBefore.getTime() / 1000
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.JobName !== undefined && { JobName: input.JobName }),
+    ...(input.JobStatus !== undefined && { JobStatus: input.JobStatus }),
+    ...(input.SubmitTimeAfter !== undefined && {
+      SubmitTimeAfter: Math.round(input.SubmitTimeAfter.getTime() / 1000)
+    }),
+    ...(input.SubmitTimeBefore !== undefined && {
+      SubmitTimeBefore: Math.round(input.SubmitTimeBefore.getTime() / 1000)
+    })
+  };
 };
 
 const serializeAws_json1_1UntagResourceRequest = (
   input: UntagResourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceArn !== undefined) {
-    bodyParams["ResourceArn"] = input.ResourceArn;
-  }
-  if (input.TagKeys !== undefined) {
-    bodyParams["TagKeys"] = serializeAws_json1_1TagKeyList(
-      input.TagKeys,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceArn !== undefined && { ResourceArn: input.ResourceArn }),
+    ...(input.TagKeys !== undefined && {
+      TagKeys: serializeAws_json1_1TagKeyList(input.TagKeys, context)
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateEndpointRequest = (
   input: UpdateEndpointRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DesiredInferenceUnits !== undefined) {
-    bodyParams["DesiredInferenceUnits"] = input.DesiredInferenceUnits;
-  }
-  if (input.EndpointArn !== undefined) {
-    bodyParams["EndpointArn"] = input.EndpointArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.DesiredInferenceUnits !== undefined && {
+      DesiredInferenceUnits: input.DesiredInferenceUnits
+    }),
+    ...(input.EndpointArn !== undefined && { EndpointArn: input.EndpointArn })
+  };
 };
 
 const serializeAws_json1_1VpcConfig = (
   input: VpcConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.SecurityGroupIds !== undefined) {
-    bodyParams["SecurityGroupIds"] = serializeAws_json1_1SecurityGroupIds(
-      input.SecurityGroupIds,
-      context
-    );
-  }
-  if (input.Subnets !== undefined) {
-    bodyParams["Subnets"] = serializeAws_json1_1Subnets(input.Subnets, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.SecurityGroupIds !== undefined && {
+      SecurityGroupIds: serializeAws_json1_1SecurityGroupIds(
+        input.SecurityGroupIds,
+        context
+      )
+    }),
+    ...(input.Subnets !== undefined && {
+      Subnets: serializeAws_json1_1Subnets(input.Subnets, context)
+    })
+  };
 };
 
 const deserializeAws_json1_1BatchDetectDominantLanguageItemResult = (
diff --git a/clients/client-comprehendmedical/protocols/Aws_json1_1.ts b/clients/client-comprehendmedical/protocols/Aws_json1_1.ts
index 58a142c30743..6172387b2ebe 100644
--- a/clients/client-comprehendmedical/protocols/Aws_json1_1.ts
+++ b/clients/client-comprehendmedical/protocols/Aws_json1_1.ts
@@ -1791,267 +1791,207 @@ const serializeAws_json1_1ComprehendMedicalAsyncJobFilter = (
   input: ComprehendMedicalAsyncJobFilter,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.JobName !== undefined) {
-    bodyParams["JobName"] = input.JobName;
-  }
-  if (input.JobStatus !== undefined) {
-    bodyParams["JobStatus"] = input.JobStatus;
-  }
-  if (input.SubmitTimeAfter !== undefined) {
-    bodyParams["SubmitTimeAfter"] = Math.round(
-      input.SubmitTimeAfter.getTime() / 1000
-    );
-  }
-  if (input.SubmitTimeBefore !== undefined) {
-    bodyParams["SubmitTimeBefore"] = Math.round(
-      input.SubmitTimeBefore.getTime() / 1000
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.JobName !== undefined && { JobName: input.JobName }),
+    ...(input.JobStatus !== undefined && { JobStatus: input.JobStatus }),
+    ...(input.SubmitTimeAfter !== undefined && {
+      SubmitTimeAfter: Math.round(input.SubmitTimeAfter.getTime() / 1000)
+    }),
+    ...(input.SubmitTimeBefore !== undefined && {
+      SubmitTimeBefore: Math.round(input.SubmitTimeBefore.getTime() / 1000)
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeEntitiesDetectionV2JobRequest = (
   input: DescribeEntitiesDetectionV2JobRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.JobId !== undefined) {
-    bodyParams["JobId"] = input.JobId;
-  }
-  return bodyParams;
+  return {
+    ...(input.JobId !== undefined && { JobId: input.JobId })
+  };
 };
 
 const serializeAws_json1_1DescribePHIDetectionJobRequest = (
   input: DescribePHIDetectionJobRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.JobId !== undefined) {
-    bodyParams["JobId"] = input.JobId;
-  }
-  return bodyParams;
+  return {
+    ...(input.JobId !== undefined && { JobId: input.JobId })
+  };
 };
 
 const serializeAws_json1_1DetectEntitiesRequest = (
   input: DetectEntitiesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Text !== undefined) {
-    bodyParams["Text"] = input.Text;
-  }
-  return bodyParams;
+  return {
+    ...(input.Text !== undefined && { Text: input.Text })
+  };
 };
 
 const serializeAws_json1_1DetectEntitiesV2Request = (
   input: DetectEntitiesV2Request,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Text !== undefined) {
-    bodyParams["Text"] = input.Text;
-  }
-  return bodyParams;
+  return {
+    ...(input.Text !== undefined && { Text: input.Text })
+  };
 };
 
 const serializeAws_json1_1DetectPHIRequest = (
   input: DetectPHIRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Text !== undefined) {
-    bodyParams["Text"] = input.Text;
-  }
-  return bodyParams;
+  return {
+    ...(input.Text !== undefined && { Text: input.Text })
+  };
 };
 
 const serializeAws_json1_1InferICD10CMRequest = (
   input: InferICD10CMRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Text !== undefined) {
-    bodyParams["Text"] = input.Text;
-  }
-  return bodyParams;
+  return {
+    ...(input.Text !== undefined && { Text: input.Text })
+  };
 };
 
 const serializeAws_json1_1InferRxNormRequest = (
   input: InferRxNormRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Text !== undefined) {
-    bodyParams["Text"] = input.Text;
-  }
-  return bodyParams;
+  return {
+    ...(input.Text !== undefined && { Text: input.Text })
+  };
 };
 
 const serializeAws_json1_1InputDataConfig = (
   input: InputDataConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.S3Bucket !== undefined) {
-    bodyParams["S3Bucket"] = input.S3Bucket;
-  }
-  if (input.S3Key !== undefined) {
-    bodyParams["S3Key"] = input.S3Key;
-  }
-  return bodyParams;
+  return {
+    ...(input.S3Bucket !== undefined && { S3Bucket: input.S3Bucket }),
+    ...(input.S3Key !== undefined && { S3Key: input.S3Key })
+  };
 };
 
 const serializeAws_json1_1ListEntitiesDetectionV2JobsRequest = (
   input: ListEntitiesDetectionV2JobsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Filter !== undefined) {
-    bodyParams["Filter"] = serializeAws_json1_1ComprehendMedicalAsyncJobFilter(
-      input.Filter,
-      context
-    );
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.Filter !== undefined && {
+      Filter: serializeAws_json1_1ComprehendMedicalAsyncJobFilter(
+        input.Filter,
+        context
+      )
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1ListPHIDetectionJobsRequest = (
   input: ListPHIDetectionJobsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Filter !== undefined) {
-    bodyParams["Filter"] = serializeAws_json1_1ComprehendMedicalAsyncJobFilter(
-      input.Filter,
-      context
-    );
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.Filter !== undefined && {
+      Filter: serializeAws_json1_1ComprehendMedicalAsyncJobFilter(
+        input.Filter,
+        context
+      )
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1OutputDataConfig = (
   input: OutputDataConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.S3Bucket !== undefined) {
-    bodyParams["S3Bucket"] = input.S3Bucket;
-  }
-  if (input.S3Key !== undefined) {
-    bodyParams["S3Key"] = input.S3Key;
-  }
-  return bodyParams;
+  return {
+    ...(input.S3Bucket !== undefined && { S3Bucket: input.S3Bucket }),
+    ...(input.S3Key !== undefined && { S3Key: input.S3Key })
+  };
 };
 
 const serializeAws_json1_1StartEntitiesDetectionV2JobRequest = (
   input: StartEntitiesDetectionV2JobRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ClientRequestToken === undefined) {
-    input.ClientRequestToken = generateIdempotencyToken();
-  }
-  if (input.ClientRequestToken !== undefined) {
-    bodyParams["ClientRequestToken"] = input.ClientRequestToken;
-  }
-  if (input.DataAccessRoleArn !== undefined) {
-    bodyParams["DataAccessRoleArn"] = input.DataAccessRoleArn;
-  }
-  if (input.InputDataConfig !== undefined) {
-    bodyParams["InputDataConfig"] = serializeAws_json1_1InputDataConfig(
-      input.InputDataConfig,
-      context
-    );
-  }
-  if (input.JobName !== undefined) {
-    bodyParams["JobName"] = input.JobName;
-  }
-  if (input.KMSKey !== undefined) {
-    bodyParams["KMSKey"] = input.KMSKey;
-  }
-  if (input.LanguageCode !== undefined) {
-    bodyParams["LanguageCode"] = input.LanguageCode;
-  }
-  if (input.OutputDataConfig !== undefined) {
-    bodyParams["OutputDataConfig"] = serializeAws_json1_1OutputDataConfig(
-      input.OutputDataConfig,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ClientRequestToken: input.ClientRequestToken ?? generateIdempotencyToken(),
+    ...(input.DataAccessRoleArn !== undefined && {
+      DataAccessRoleArn: input.DataAccessRoleArn
+    }),
+    ...(input.InputDataConfig !== undefined && {
+      InputDataConfig: serializeAws_json1_1InputDataConfig(
+        input.InputDataConfig,
+        context
+      )
+    }),
+    ...(input.JobName !== undefined && { JobName: input.JobName }),
+    ...(input.KMSKey !== undefined && { KMSKey: input.KMSKey }),
+    ...(input.LanguageCode !== undefined && {
+      LanguageCode: input.LanguageCode
+    }),
+    ...(input.OutputDataConfig !== undefined && {
+      OutputDataConfig: serializeAws_json1_1OutputDataConfig(
+        input.OutputDataConfig,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1StartPHIDetectionJobRequest = (
   input: StartPHIDetectionJobRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ClientRequestToken === undefined) {
-    input.ClientRequestToken = generateIdempotencyToken();
-  }
-  if (input.ClientRequestToken !== undefined) {
-    bodyParams["ClientRequestToken"] = input.ClientRequestToken;
-  }
-  if (input.DataAccessRoleArn !== undefined) {
-    bodyParams["DataAccessRoleArn"] = input.DataAccessRoleArn;
-  }
-  if (input.InputDataConfig !== undefined) {
-    bodyParams["InputDataConfig"] = serializeAws_json1_1InputDataConfig(
-      input.InputDataConfig,
-      context
-    );
-  }
-  if (input.JobName !== undefined) {
-    bodyParams["JobName"] = input.JobName;
-  }
-  if (input.KMSKey !== undefined) {
-    bodyParams["KMSKey"] = input.KMSKey;
-  }
-  if (input.LanguageCode !== undefined) {
-    bodyParams["LanguageCode"] = input.LanguageCode;
-  }
-  if (input.OutputDataConfig !== undefined) {
-    bodyParams["OutputDataConfig"] = serializeAws_json1_1OutputDataConfig(
-      input.OutputDataConfig,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ClientRequestToken: input.ClientRequestToken ?? generateIdempotencyToken(),
+    ...(input.DataAccessRoleArn !== undefined && {
+      DataAccessRoleArn: input.DataAccessRoleArn
+    }),
+    ...(input.InputDataConfig !== undefined && {
+      InputDataConfig: serializeAws_json1_1InputDataConfig(
+        input.InputDataConfig,
+        context
+      )
+    }),
+    ...(input.JobName !== undefined && { JobName: input.JobName }),
+    ...(input.KMSKey !== undefined && { KMSKey: input.KMSKey }),
+    ...(input.LanguageCode !== undefined && {
+      LanguageCode: input.LanguageCode
+    }),
+    ...(input.OutputDataConfig !== undefined && {
+      OutputDataConfig: serializeAws_json1_1OutputDataConfig(
+        input.OutputDataConfig,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1StopEntitiesDetectionV2JobRequest = (
   input: StopEntitiesDetectionV2JobRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.JobId !== undefined) {
-    bodyParams["JobId"] = input.JobId;
-  }
-  return bodyParams;
+  return {
+    ...(input.JobId !== undefined && { JobId: input.JobId })
+  };
 };
 
 const serializeAws_json1_1StopPHIDetectionJobRequest = (
   input: StopPHIDetectionJobRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.JobId !== undefined) {
-    bodyParams["JobId"] = input.JobId;
-  }
-  return bodyParams;
+  return {
+    ...(input.JobId !== undefined && { JobId: input.JobId })
+  };
 };
 
 const deserializeAws_json1_1Attribute = (
diff --git a/clients/client-compute-optimizer/protocols/Aws_json1_0.ts b/clients/client-compute-optimizer/protocols/Aws_json1_0.ts
index f99b8be54f9f..d60d81cf017b 100644
--- a/clients/client-compute-optimizer/protocols/Aws_json1_0.ts
+++ b/clients/client-compute-optimizer/protocols/Aws_json1_0.ts
@@ -1129,17 +1129,12 @@ const serializeAws_json1_0Filter = (
   input: Filter,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  if (input.values !== undefined) {
-    bodyParams["values"] = serializeAws_json1_0FilterValues(
-      input.values,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.name !== undefined && { name: input.name }),
+    ...(input.values !== undefined && {
+      values: serializeAws_json1_0FilterValues(input.values, context)
+    })
+  };
 };
 
 const serializeAws_json1_0FilterValues = (
@@ -1160,111 +1155,81 @@ const serializeAws_json1_0GetAutoScalingGroupRecommendationsRequest = (
   input: GetAutoScalingGroupRecommendationsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.accountIds !== undefined) {
-    bodyParams["accountIds"] = serializeAws_json1_0AccountIds(
-      input.accountIds,
-      context
-    );
-  }
-  if (input.autoScalingGroupArns !== undefined) {
-    bodyParams[
-      "autoScalingGroupArns"
-    ] = serializeAws_json1_0AutoScalingGroupArns(
-      input.autoScalingGroupArns,
-      context
-    );
-  }
-  if (input.filters !== undefined) {
-    bodyParams["filters"] = serializeAws_json1_0Filters(input.filters, context);
-  }
-  if (input.maxResults !== undefined) {
-    bodyParams["maxResults"] = input.maxResults;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.accountIds !== undefined && {
+      accountIds: serializeAws_json1_0AccountIds(input.accountIds, context)
+    }),
+    ...(input.autoScalingGroupArns !== undefined && {
+      autoScalingGroupArns: serializeAws_json1_0AutoScalingGroupArns(
+        input.autoScalingGroupArns,
+        context
+      )
+    }),
+    ...(input.filters !== undefined && {
+      filters: serializeAws_json1_0Filters(input.filters, context)
+    }),
+    ...(input.maxResults !== undefined && { maxResults: input.maxResults }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken })
+  };
 };
 
 const serializeAws_json1_0GetEC2InstanceRecommendationsRequest = (
   input: GetEC2InstanceRecommendationsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.accountIds !== undefined) {
-    bodyParams["accountIds"] = serializeAws_json1_0AccountIds(
-      input.accountIds,
-      context
-    );
-  }
-  if (input.filters !== undefined) {
-    bodyParams["filters"] = serializeAws_json1_0Filters(input.filters, context);
-  }
-  if (input.instanceArns !== undefined) {
-    bodyParams["instanceArns"] = serializeAws_json1_0InstanceArns(
-      input.instanceArns,
-      context
-    );
-  }
-  if (input.maxResults !== undefined) {
-    bodyParams["maxResults"] = input.maxResults;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.accountIds !== undefined && {
+      accountIds: serializeAws_json1_0AccountIds(input.accountIds, context)
+    }),
+    ...(input.filters !== undefined && {
+      filters: serializeAws_json1_0Filters(input.filters, context)
+    }),
+    ...(input.instanceArns !== undefined && {
+      instanceArns: serializeAws_json1_0InstanceArns(
+        input.instanceArns,
+        context
+      )
+    }),
+    ...(input.maxResults !== undefined && { maxResults: input.maxResults }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken })
+  };
 };
 
 const serializeAws_json1_0GetEC2RecommendationProjectedMetricsRequest = (
   input: GetEC2RecommendationProjectedMetricsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.endTime !== undefined) {
-    bodyParams["endTime"] = Math.round(input.endTime.getTime() / 1000);
-  }
-  if (input.instanceArn !== undefined) {
-    bodyParams["instanceArn"] = input.instanceArn;
-  }
-  if (input.period !== undefined) {
-    bodyParams["period"] = input.period;
-  }
-  if (input.startTime !== undefined) {
-    bodyParams["startTime"] = Math.round(input.startTime.getTime() / 1000);
-  }
-  if (input.stat !== undefined) {
-    bodyParams["stat"] = input.stat;
-  }
-  return bodyParams;
+  return {
+    ...(input.endTime !== undefined && {
+      endTime: Math.round(input.endTime.getTime() / 1000)
+    }),
+    ...(input.instanceArn !== undefined && { instanceArn: input.instanceArn }),
+    ...(input.period !== undefined && { period: input.period }),
+    ...(input.startTime !== undefined && {
+      startTime: Math.round(input.startTime.getTime() / 1000)
+    }),
+    ...(input.stat !== undefined && { stat: input.stat })
+  };
 };
 
 const serializeAws_json1_0GetEnrollmentStatusRequest = (
   input: GetEnrollmentStatusRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  return bodyParams;
+  return {};
 };
 
 const serializeAws_json1_0GetRecommendationSummariesRequest = (
   input: GetRecommendationSummariesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.accountIds !== undefined) {
-    bodyParams["accountIds"] = serializeAws_json1_0AccountIds(
-      input.accountIds,
-      context
-    );
-  }
-  if (input.maxResults !== undefined) {
-    bodyParams["maxResults"] = input.maxResults;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.accountIds !== undefined && {
+      accountIds: serializeAws_json1_0AccountIds(input.accountIds, context)
+    }),
+    ...(input.maxResults !== undefined && { maxResults: input.maxResults }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken })
+  };
 };
 
 const serializeAws_json1_0InstanceArns = (
@@ -1278,14 +1243,12 @@ const serializeAws_json1_0UpdateEnrollmentStatusRequest = (
   input: UpdateEnrollmentStatusRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.includeMemberAccounts !== undefined) {
-    bodyParams["includeMemberAccounts"] = input.includeMemberAccounts;
-  }
-  if (input.status !== undefined) {
-    bodyParams["status"] = input.status;
-  }
-  return bodyParams;
+  return {
+    ...(input.includeMemberAccounts !== undefined && {
+      includeMemberAccounts: input.includeMemberAccounts
+    }),
+    ...(input.status !== undefined && { status: input.status })
+  };
 };
 
 const deserializeAws_json1_0AccessDeniedException = (
diff --git a/clients/client-config-service/protocols/Aws_json1_1.ts b/clients/client-config-service/protocols/Aws_json1_1.ts
index 6ba2482ad9a7..56674453cee7 100644
--- a/clients/client-config-service/protocols/Aws_json1_1.ts
+++ b/clients/client-config-service/protocols/Aws_json1_1.ts
@@ -9379,25 +9379,23 @@ const serializeAws_json1_1AccountAggregationSource = (
   input: AccountAggregationSource,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AccountIds !== undefined) {
-    bodyParams[
-      "AccountIds"
-    ] = serializeAws_json1_1AccountAggregationSourceAccountList(
-      input.AccountIds,
-      context
-    );
-  }
-  if (input.AllAwsRegions !== undefined) {
-    bodyParams["AllAwsRegions"] = input.AllAwsRegions;
-  }
-  if (input.AwsRegions !== undefined) {
-    bodyParams["AwsRegions"] = serializeAws_json1_1AggregatorRegionList(
-      input.AwsRegions,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.AccountIds !== undefined && {
+      AccountIds: serializeAws_json1_1AccountAggregationSourceAccountList(
+        input.AccountIds,
+        context
+      )
+    }),
+    ...(input.AllAwsRegions !== undefined && {
+      AllAwsRegions: input.AllAwsRegions
+    }),
+    ...(input.AwsRegions !== undefined && {
+      AwsRegions: serializeAws_json1_1AggregatorRegionList(
+        input.AwsRegions,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1AccountAggregationSourceAccountList = (
@@ -9420,23 +9418,21 @@ const serializeAws_json1_1AggregateResourceIdentifier = (
   input: AggregateResourceIdentifier,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceId !== undefined) {
-    bodyParams["ResourceId"] = input.ResourceId;
-  }
-  if (input.ResourceName !== undefined) {
-    bodyParams["ResourceName"] = input.ResourceName;
-  }
-  if (input.ResourceType !== undefined) {
-    bodyParams["ResourceType"] = input.ResourceType;
-  }
-  if (input.SourceAccountId !== undefined) {
-    bodyParams["SourceAccountId"] = input.SourceAccountId;
-  }
-  if (input.SourceRegion !== undefined) {
-    bodyParams["SourceRegion"] = input.SourceRegion;
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceId !== undefined && { ResourceId: input.ResourceId }),
+    ...(input.ResourceName !== undefined && {
+      ResourceName: input.ResourceName
+    }),
+    ...(input.ResourceType !== undefined && {
+      ResourceType: input.ResourceType
+    }),
+    ...(input.SourceAccountId !== undefined && {
+      SourceAccountId: input.SourceAccountId
+    }),
+    ...(input.SourceRegion !== undefined && {
+      SourceRegion: input.SourceRegion
+    })
+  };
 };
 
 const serializeAws_json1_1AggregatedSourceStatusTypeList = (
@@ -9457,34 +9453,31 @@ const serializeAws_json1_1BatchGetAggregateResourceConfigRequest = (
   input: BatchGetAggregateResourceConfigRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ConfigurationAggregatorName !== undefined) {
-    bodyParams["ConfigurationAggregatorName"] =
-      input.ConfigurationAggregatorName;
-  }
-  if (input.ResourceIdentifiers !== undefined) {
-    bodyParams[
-      "ResourceIdentifiers"
-    ] = serializeAws_json1_1ResourceIdentifiersList(
-      input.ResourceIdentifiers,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ConfigurationAggregatorName !== undefined && {
+      ConfigurationAggregatorName: input.ConfigurationAggregatorName
+    }),
+    ...(input.ResourceIdentifiers !== undefined && {
+      ResourceIdentifiers: serializeAws_json1_1ResourceIdentifiersList(
+        input.ResourceIdentifiers,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1BatchGetResourceConfigRequest = (
   input: BatchGetResourceConfigRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.resourceKeys !== undefined) {
-    bodyParams["resourceKeys"] = serializeAws_json1_1ResourceKeys(
-      input.resourceKeys,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.resourceKeys !== undefined && {
+      resourceKeys: serializeAws_json1_1ResourceKeys(
+        input.resourceKeys,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1ComplianceResourceTypes = (
@@ -9505,72 +9498,60 @@ const serializeAws_json1_1ConfigRule = (
   input: ConfigRule,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ConfigRuleArn !== undefined) {
-    bodyParams["ConfigRuleArn"] = input.ConfigRuleArn;
-  }
-  if (input.ConfigRuleId !== undefined) {
-    bodyParams["ConfigRuleId"] = input.ConfigRuleId;
-  }
-  if (input.ConfigRuleName !== undefined) {
-    bodyParams["ConfigRuleName"] = input.ConfigRuleName;
-  }
-  if (input.ConfigRuleState !== undefined) {
-    bodyParams["ConfigRuleState"] = input.ConfigRuleState;
-  }
-  if (input.CreatedBy !== undefined) {
-    bodyParams["CreatedBy"] = input.CreatedBy;
-  }
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.InputParameters !== undefined) {
-    bodyParams["InputParameters"] = input.InputParameters;
-  }
-  if (input.MaximumExecutionFrequency !== undefined) {
-    bodyParams["MaximumExecutionFrequency"] = input.MaximumExecutionFrequency;
-  }
-  if (input.Scope !== undefined) {
-    bodyParams["Scope"] = serializeAws_json1_1Scope(input.Scope, context);
-  }
-  if (input.Source !== undefined) {
-    bodyParams["Source"] = serializeAws_json1_1Source(input.Source, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.ConfigRuleArn !== undefined && {
+      ConfigRuleArn: input.ConfigRuleArn
+    }),
+    ...(input.ConfigRuleId !== undefined && {
+      ConfigRuleId: input.ConfigRuleId
+    }),
+    ...(input.ConfigRuleName !== undefined && {
+      ConfigRuleName: input.ConfigRuleName
+    }),
+    ...(input.ConfigRuleState !== undefined && {
+      ConfigRuleState: input.ConfigRuleState
+    }),
+    ...(input.CreatedBy !== undefined && { CreatedBy: input.CreatedBy }),
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.InputParameters !== undefined && {
+      InputParameters: input.InputParameters
+    }),
+    ...(input.MaximumExecutionFrequency !== undefined && {
+      MaximumExecutionFrequency: input.MaximumExecutionFrequency
+    }),
+    ...(input.Scope !== undefined && {
+      Scope: serializeAws_json1_1Scope(input.Scope, context)
+    }),
+    ...(input.Source !== undefined && {
+      Source: serializeAws_json1_1Source(input.Source, context)
+    })
+  };
 };
 
 const serializeAws_json1_1ConfigRuleComplianceFilters = (
   input: ConfigRuleComplianceFilters,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AccountId !== undefined) {
-    bodyParams["AccountId"] = input.AccountId;
-  }
-  if (input.AwsRegion !== undefined) {
-    bodyParams["AwsRegion"] = input.AwsRegion;
-  }
-  if (input.ComplianceType !== undefined) {
-    bodyParams["ComplianceType"] = input.ComplianceType;
-  }
-  if (input.ConfigRuleName !== undefined) {
-    bodyParams["ConfigRuleName"] = input.ConfigRuleName;
-  }
-  return bodyParams;
+  return {
+    ...(input.AccountId !== undefined && { AccountId: input.AccountId }),
+    ...(input.AwsRegion !== undefined && { AwsRegion: input.AwsRegion }),
+    ...(input.ComplianceType !== undefined && {
+      ComplianceType: input.ComplianceType
+    }),
+    ...(input.ConfigRuleName !== undefined && {
+      ConfigRuleName: input.ConfigRuleName
+    })
+  };
 };
 
 const serializeAws_json1_1ConfigRuleComplianceSummaryFilters = (
   input: ConfigRuleComplianceSummaryFilters,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AccountId !== undefined) {
-    bodyParams["AccountId"] = input.AccountId;
-  }
-  if (input.AwsRegion !== undefined) {
-    bodyParams["AwsRegion"] = input.AwsRegion;
-  }
-  return bodyParams;
+  return {
+    ...(input.AccountId !== undefined && { AccountId: input.AccountId }),
+    ...(input.AwsRegion !== undefined && { AwsRegion: input.AwsRegion })
+  };
 };
 
 const serializeAws_json1_1ConfigRuleNames = (
@@ -9584,11 +9565,11 @@ const serializeAws_json1_1ConfigSnapshotDeliveryProperties = (
   input: ConfigSnapshotDeliveryProperties,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.deliveryFrequency !== undefined) {
-    bodyParams["deliveryFrequency"] = input.deliveryFrequency;
-  }
-  return bodyParams;
+  return {
+    ...(input.deliveryFrequency !== undefined && {
+      deliveryFrequency: input.deliveryFrequency
+    })
+  };
 };
 
 const serializeAws_json1_1ConfigurationAggregatorNameList = (
@@ -9602,20 +9583,16 @@ const serializeAws_json1_1ConfigurationRecorder = (
   input: ConfigurationRecorder,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  if (input.recordingGroup !== undefined) {
-    bodyParams["recordingGroup"] = serializeAws_json1_1RecordingGroup(
-      input.recordingGroup,
-      context
-    );
-  }
-  if (input.roleARN !== undefined) {
-    bodyParams["roleARN"] = input.roleARN;
-  }
-  return bodyParams;
+  return {
+    ...(input.name !== undefined && { name: input.name }),
+    ...(input.recordingGroup !== undefined && {
+      recordingGroup: serializeAws_json1_1RecordingGroup(
+        input.recordingGroup,
+        context
+      )
+    }),
+    ...(input.roleARN !== undefined && { roleARN: input.roleARN })
+  };
 };
 
 const serializeAws_json1_1ConfigurationRecorderNameList = (
@@ -9629,19 +9606,17 @@ const serializeAws_json1_1ConformancePackComplianceFilters = (
   input: ConformancePackComplianceFilters,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ComplianceType !== undefined) {
-    bodyParams["ComplianceType"] = input.ComplianceType;
-  }
-  if (input.ConfigRuleNames !== undefined) {
-    bodyParams[
-      "ConfigRuleNames"
-    ] = serializeAws_json1_1ConformancePackConfigRuleNames(
-      input.ConfigRuleNames,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ComplianceType !== undefined && {
+      ComplianceType: input.ComplianceType
+    }),
+    ...(input.ConfigRuleNames !== undefined && {
+      ConfigRuleNames: serializeAws_json1_1ConformancePackConfigRuleNames(
+        input.ConfigRuleNames,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1ConformancePackComplianceResourceIds = (
@@ -9662,44 +9637,40 @@ const serializeAws_json1_1ConformancePackEvaluationFilters = (
   input: ConformancePackEvaluationFilters,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ComplianceType !== undefined) {
-    bodyParams["ComplianceType"] = input.ComplianceType;
-  }
-  if (input.ConfigRuleNames !== undefined) {
-    bodyParams[
-      "ConfigRuleNames"
-    ] = serializeAws_json1_1ConformancePackConfigRuleNames(
-      input.ConfigRuleNames,
-      context
-    );
-  }
-  if (input.ResourceIds !== undefined) {
-    bodyParams[
-      "ResourceIds"
-    ] = serializeAws_json1_1ConformancePackComplianceResourceIds(
-      input.ResourceIds,
-      context
-    );
-  }
-  if (input.ResourceType !== undefined) {
-    bodyParams["ResourceType"] = input.ResourceType;
-  }
-  return bodyParams;
+  return {
+    ...(input.ComplianceType !== undefined && {
+      ComplianceType: input.ComplianceType
+    }),
+    ...(input.ConfigRuleNames !== undefined && {
+      ConfigRuleNames: serializeAws_json1_1ConformancePackConfigRuleNames(
+        input.ConfigRuleNames,
+        context
+      )
+    }),
+    ...(input.ResourceIds !== undefined && {
+      ResourceIds: serializeAws_json1_1ConformancePackComplianceResourceIds(
+        input.ResourceIds,
+        context
+      )
+    }),
+    ...(input.ResourceType !== undefined && {
+      ResourceType: input.ResourceType
+    })
+  };
 };
 
 const serializeAws_json1_1ConformancePackInputParameter = (
   input: ConformancePackInputParameter,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ParameterName !== undefined) {
-    bodyParams["ParameterName"] = input.ParameterName;
-  }
-  if (input.ParameterValue !== undefined) {
-    bodyParams["ParameterValue"] = input.ParameterValue;
-  }
-  return bodyParams;
+  return {
+    ...(input.ParameterName !== undefined && {
+      ParameterName: input.ParameterName
+    }),
+    ...(input.ParameterValue !== undefined && {
+      ParameterValue: input.ParameterValue
+    })
+  };
 };
 
 const serializeAws_json1_1ConformancePackInputParameters = (
@@ -9729,215 +9700,201 @@ const serializeAws_json1_1DeleteAggregationAuthorizationRequest = (
   input: DeleteAggregationAuthorizationRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AuthorizedAccountId !== undefined) {
-    bodyParams["AuthorizedAccountId"] = input.AuthorizedAccountId;
-  }
-  if (input.AuthorizedAwsRegion !== undefined) {
-    bodyParams["AuthorizedAwsRegion"] = input.AuthorizedAwsRegion;
-  }
-  return bodyParams;
+  return {
+    ...(input.AuthorizedAccountId !== undefined && {
+      AuthorizedAccountId: input.AuthorizedAccountId
+    }),
+    ...(input.AuthorizedAwsRegion !== undefined && {
+      AuthorizedAwsRegion: input.AuthorizedAwsRegion
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteConfigRuleRequest = (
   input: DeleteConfigRuleRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ConfigRuleName !== undefined) {
-    bodyParams["ConfigRuleName"] = input.ConfigRuleName;
-  }
-  return bodyParams;
+  return {
+    ...(input.ConfigRuleName !== undefined && {
+      ConfigRuleName: input.ConfigRuleName
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteConfigurationAggregatorRequest = (
   input: DeleteConfigurationAggregatorRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ConfigurationAggregatorName !== undefined) {
-    bodyParams["ConfigurationAggregatorName"] =
-      input.ConfigurationAggregatorName;
-  }
-  return bodyParams;
+  return {
+    ...(input.ConfigurationAggregatorName !== undefined && {
+      ConfigurationAggregatorName: input.ConfigurationAggregatorName
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteConfigurationRecorderRequest = (
   input: DeleteConfigurationRecorderRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ConfigurationRecorderName !== undefined) {
-    bodyParams["ConfigurationRecorderName"] = input.ConfigurationRecorderName;
-  }
-  return bodyParams;
+  return {
+    ...(input.ConfigurationRecorderName !== undefined && {
+      ConfigurationRecorderName: input.ConfigurationRecorderName
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteConformancePackRequest = (
   input: DeleteConformancePackRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ConformancePackName !== undefined) {
-    bodyParams["ConformancePackName"] = input.ConformancePackName;
-  }
-  return bodyParams;
+  return {
+    ...(input.ConformancePackName !== undefined && {
+      ConformancePackName: input.ConformancePackName
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteDeliveryChannelRequest = (
   input: DeleteDeliveryChannelRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DeliveryChannelName !== undefined) {
-    bodyParams["DeliveryChannelName"] = input.DeliveryChannelName;
-  }
-  return bodyParams;
+  return {
+    ...(input.DeliveryChannelName !== undefined && {
+      DeliveryChannelName: input.DeliveryChannelName
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteEvaluationResultsRequest = (
   input: DeleteEvaluationResultsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ConfigRuleName !== undefined) {
-    bodyParams["ConfigRuleName"] = input.ConfigRuleName;
-  }
-  return bodyParams;
+  return {
+    ...(input.ConfigRuleName !== undefined && {
+      ConfigRuleName: input.ConfigRuleName
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteOrganizationConfigRuleRequest = (
   input: DeleteOrganizationConfigRuleRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.OrganizationConfigRuleName !== undefined) {
-    bodyParams["OrganizationConfigRuleName"] = input.OrganizationConfigRuleName;
-  }
-  return bodyParams;
+  return {
+    ...(input.OrganizationConfigRuleName !== undefined && {
+      OrganizationConfigRuleName: input.OrganizationConfigRuleName
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteOrganizationConformancePackRequest = (
   input: DeleteOrganizationConformancePackRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.OrganizationConformancePackName !== undefined) {
-    bodyParams["OrganizationConformancePackName"] =
-      input.OrganizationConformancePackName;
-  }
-  return bodyParams;
+  return {
+    ...(input.OrganizationConformancePackName !== undefined && {
+      OrganizationConformancePackName: input.OrganizationConformancePackName
+    })
+  };
 };
 
 const serializeAws_json1_1DeletePendingAggregationRequestRequest = (
   input: DeletePendingAggregationRequestRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.RequesterAccountId !== undefined) {
-    bodyParams["RequesterAccountId"] = input.RequesterAccountId;
-  }
-  if (input.RequesterAwsRegion !== undefined) {
-    bodyParams["RequesterAwsRegion"] = input.RequesterAwsRegion;
-  }
-  return bodyParams;
+  return {
+    ...(input.RequesterAccountId !== undefined && {
+      RequesterAccountId: input.RequesterAccountId
+    }),
+    ...(input.RequesterAwsRegion !== undefined && {
+      RequesterAwsRegion: input.RequesterAwsRegion
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteRemediationConfigurationRequest = (
   input: DeleteRemediationConfigurationRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ConfigRuleName !== undefined) {
-    bodyParams["ConfigRuleName"] = input.ConfigRuleName;
-  }
-  if (input.ResourceType !== undefined) {
-    bodyParams["ResourceType"] = input.ResourceType;
-  }
-  return bodyParams;
+  return {
+    ...(input.ConfigRuleName !== undefined && {
+      ConfigRuleName: input.ConfigRuleName
+    }),
+    ...(input.ResourceType !== undefined && {
+      ResourceType: input.ResourceType
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteRemediationExceptionsRequest = (
   input: DeleteRemediationExceptionsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ConfigRuleName !== undefined) {
-    bodyParams["ConfigRuleName"] = input.ConfigRuleName;
-  }
-  if (input.ResourceKeys !== undefined) {
-    bodyParams[
-      "ResourceKeys"
-    ] = serializeAws_json1_1RemediationExceptionResourceKeys(
-      input.ResourceKeys,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ConfigRuleName !== undefined && {
+      ConfigRuleName: input.ConfigRuleName
+    }),
+    ...(input.ResourceKeys !== undefined && {
+      ResourceKeys: serializeAws_json1_1RemediationExceptionResourceKeys(
+        input.ResourceKeys,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteResourceConfigRequest = (
   input: DeleteResourceConfigRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceId !== undefined) {
-    bodyParams["ResourceId"] = input.ResourceId;
-  }
-  if (input.ResourceType !== undefined) {
-    bodyParams["ResourceType"] = input.ResourceType;
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceId !== undefined && { ResourceId: input.ResourceId }),
+    ...(input.ResourceType !== undefined && {
+      ResourceType: input.ResourceType
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteRetentionConfigurationRequest = (
   input: DeleteRetentionConfigurationRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.RetentionConfigurationName !== undefined) {
-    bodyParams["RetentionConfigurationName"] = input.RetentionConfigurationName;
-  }
-  return bodyParams;
+  return {
+    ...(input.RetentionConfigurationName !== undefined && {
+      RetentionConfigurationName: input.RetentionConfigurationName
+    })
+  };
 };
 
 const serializeAws_json1_1DeliverConfigSnapshotRequest = (
   input: DeliverConfigSnapshotRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.deliveryChannelName !== undefined) {
-    bodyParams["deliveryChannelName"] = input.deliveryChannelName;
-  }
-  return bodyParams;
+  return {
+    ...(input.deliveryChannelName !== undefined && {
+      deliveryChannelName: input.deliveryChannelName
+    })
+  };
 };
 
 const serializeAws_json1_1DeliveryChannel = (
   input: DeliveryChannel,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.configSnapshotDeliveryProperties !== undefined) {
-    bodyParams[
-      "configSnapshotDeliveryProperties"
-    ] = serializeAws_json1_1ConfigSnapshotDeliveryProperties(
-      input.configSnapshotDeliveryProperties,
-      context
-    );
-  }
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  if (input.s3BucketName !== undefined) {
-    bodyParams["s3BucketName"] = input.s3BucketName;
-  }
-  if (input.s3KeyPrefix !== undefined) {
-    bodyParams["s3KeyPrefix"] = input.s3KeyPrefix;
-  }
-  if (input.snsTopicARN !== undefined) {
-    bodyParams["snsTopicARN"] = input.snsTopicARN;
-  }
-  return bodyParams;
+  return {
+    ...(input.configSnapshotDeliveryProperties !== undefined && {
+      configSnapshotDeliveryProperties: serializeAws_json1_1ConfigSnapshotDeliveryProperties(
+        input.configSnapshotDeliveryProperties,
+        context
+      )
+    }),
+    ...(input.name !== undefined && { name: input.name }),
+    ...(input.s3BucketName !== undefined && {
+      s3BucketName: input.s3BucketName
+    }),
+    ...(input.s3KeyPrefix !== undefined && { s3KeyPrefix: input.s3KeyPrefix }),
+    ...(input.snsTopicARN !== undefined && { snsTopicARN: input.snsTopicARN })
+  };
 };
 
 const serializeAws_json1_1DeliveryChannelNameList = (
@@ -9951,513 +9908,405 @@ const serializeAws_json1_1DescribeAggregateComplianceByConfigRulesRequest = (
   input: DescribeAggregateComplianceByConfigRulesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ConfigurationAggregatorName !== undefined) {
-    bodyParams["ConfigurationAggregatorName"] =
-      input.ConfigurationAggregatorName;
-  }
-  if (input.Filters !== undefined) {
-    bodyParams["Filters"] = serializeAws_json1_1ConfigRuleComplianceFilters(
-      input.Filters,
-      context
-    );
-  }
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.ConfigurationAggregatorName !== undefined && {
+      ConfigurationAggregatorName: input.ConfigurationAggregatorName
+    }),
+    ...(input.Filters !== undefined && {
+      Filters: serializeAws_json1_1ConfigRuleComplianceFilters(
+        input.Filters,
+        context
+      )
+    }),
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1DescribeAggregationAuthorizationsRequest = (
   input: DescribeAggregationAuthorizationsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1DescribeComplianceByConfigRuleRequest = (
   input: DescribeComplianceByConfigRuleRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ComplianceTypes !== undefined) {
-    bodyParams["ComplianceTypes"] = serializeAws_json1_1ComplianceTypes(
-      input.ComplianceTypes,
-      context
-    );
-  }
-  if (input.ConfigRuleNames !== undefined) {
-    bodyParams["ConfigRuleNames"] = serializeAws_json1_1ConfigRuleNames(
-      input.ConfigRuleNames,
-      context
-    );
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.ComplianceTypes !== undefined && {
+      ComplianceTypes: serializeAws_json1_1ComplianceTypes(
+        input.ComplianceTypes,
+        context
+      )
+    }),
+    ...(input.ConfigRuleNames !== undefined && {
+      ConfigRuleNames: serializeAws_json1_1ConfigRuleNames(
+        input.ConfigRuleNames,
+        context
+      )
+    }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1DescribeComplianceByResourceRequest = (
   input: DescribeComplianceByResourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ComplianceTypes !== undefined) {
-    bodyParams["ComplianceTypes"] = serializeAws_json1_1ComplianceTypes(
-      input.ComplianceTypes,
-      context
-    );
-  }
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.ResourceId !== undefined) {
-    bodyParams["ResourceId"] = input.ResourceId;
-  }
-  if (input.ResourceType !== undefined) {
-    bodyParams["ResourceType"] = input.ResourceType;
-  }
-  return bodyParams;
+  return {
+    ...(input.ComplianceTypes !== undefined && {
+      ComplianceTypes: serializeAws_json1_1ComplianceTypes(
+        input.ComplianceTypes,
+        context
+      )
+    }),
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.ResourceId !== undefined && { ResourceId: input.ResourceId }),
+    ...(input.ResourceType !== undefined && {
+      ResourceType: input.ResourceType
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeConfigRuleEvaluationStatusRequest = (
   input: DescribeConfigRuleEvaluationStatusRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ConfigRuleNames !== undefined) {
-    bodyParams["ConfigRuleNames"] = serializeAws_json1_1ConfigRuleNames(
-      input.ConfigRuleNames,
-      context
-    );
-  }
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.ConfigRuleNames !== undefined && {
+      ConfigRuleNames: serializeAws_json1_1ConfigRuleNames(
+        input.ConfigRuleNames,
+        context
+      )
+    }),
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1DescribeConfigRulesRequest = (
   input: DescribeConfigRulesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ConfigRuleNames !== undefined) {
-    bodyParams["ConfigRuleNames"] = serializeAws_json1_1ConfigRuleNames(
-      input.ConfigRuleNames,
-      context
-    );
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.ConfigRuleNames !== undefined && {
+      ConfigRuleNames: serializeAws_json1_1ConfigRuleNames(
+        input.ConfigRuleNames,
+        context
+      )
+    }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1DescribeConfigurationAggregatorSourcesStatusRequest = (
   input: DescribeConfigurationAggregatorSourcesStatusRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ConfigurationAggregatorName !== undefined) {
-    bodyParams["ConfigurationAggregatorName"] =
-      input.ConfigurationAggregatorName;
-  }
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.UpdateStatus !== undefined) {
-    bodyParams[
-      "UpdateStatus"
-    ] = serializeAws_json1_1AggregatedSourceStatusTypeList(
-      input.UpdateStatus,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ConfigurationAggregatorName !== undefined && {
+      ConfigurationAggregatorName: input.ConfigurationAggregatorName
+    }),
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.UpdateStatus !== undefined && {
+      UpdateStatus: serializeAws_json1_1AggregatedSourceStatusTypeList(
+        input.UpdateStatus,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeConfigurationAggregatorsRequest = (
   input: DescribeConfigurationAggregatorsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ConfigurationAggregatorNames !== undefined) {
-    bodyParams[
-      "ConfigurationAggregatorNames"
-    ] = serializeAws_json1_1ConfigurationAggregatorNameList(
-      input.ConfigurationAggregatorNames,
-      context
-    );
-  }
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.ConfigurationAggregatorNames !== undefined && {
+      ConfigurationAggregatorNames: serializeAws_json1_1ConfigurationAggregatorNameList(
+        input.ConfigurationAggregatorNames,
+        context
+      )
+    }),
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1DescribeConfigurationRecorderStatusRequest = (
   input: DescribeConfigurationRecorderStatusRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ConfigurationRecorderNames !== undefined) {
-    bodyParams[
-      "ConfigurationRecorderNames"
-    ] = serializeAws_json1_1ConfigurationRecorderNameList(
-      input.ConfigurationRecorderNames,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ConfigurationRecorderNames !== undefined && {
+      ConfigurationRecorderNames: serializeAws_json1_1ConfigurationRecorderNameList(
+        input.ConfigurationRecorderNames,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeConfigurationRecordersRequest = (
   input: DescribeConfigurationRecordersRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ConfigurationRecorderNames !== undefined) {
-    bodyParams[
-      "ConfigurationRecorderNames"
-    ] = serializeAws_json1_1ConfigurationRecorderNameList(
-      input.ConfigurationRecorderNames,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ConfigurationRecorderNames !== undefined && {
+      ConfigurationRecorderNames: serializeAws_json1_1ConfigurationRecorderNameList(
+        input.ConfigurationRecorderNames,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeConformancePackComplianceRequest = (
   input: DescribeConformancePackComplianceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ConformancePackName !== undefined) {
-    bodyParams["ConformancePackName"] = input.ConformancePackName;
-  }
-  if (input.Filters !== undefined) {
-    bodyParams[
-      "Filters"
-    ] = serializeAws_json1_1ConformancePackComplianceFilters(
-      input.Filters,
-      context
-    );
-  }
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.ConformancePackName !== undefined && {
+      ConformancePackName: input.ConformancePackName
+    }),
+    ...(input.Filters !== undefined && {
+      Filters: serializeAws_json1_1ConformancePackComplianceFilters(
+        input.Filters,
+        context
+      )
+    }),
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1DescribeConformancePackStatusRequest = (
   input: DescribeConformancePackStatusRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ConformancePackNames !== undefined) {
-    bodyParams[
-      "ConformancePackNames"
-    ] = serializeAws_json1_1ConformancePackNamesList(
-      input.ConformancePackNames,
-      context
-    );
-  }
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.ConformancePackNames !== undefined && {
+      ConformancePackNames: serializeAws_json1_1ConformancePackNamesList(
+        input.ConformancePackNames,
+        context
+      )
+    }),
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1DescribeConformancePacksRequest = (
   input: DescribeConformancePacksRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ConformancePackNames !== undefined) {
-    bodyParams[
-      "ConformancePackNames"
-    ] = serializeAws_json1_1ConformancePackNamesList(
-      input.ConformancePackNames,
-      context
-    );
-  }
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.ConformancePackNames !== undefined && {
+      ConformancePackNames: serializeAws_json1_1ConformancePackNamesList(
+        input.ConformancePackNames,
+        context
+      )
+    }),
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1DescribeDeliveryChannelStatusRequest = (
   input: DescribeDeliveryChannelStatusRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DeliveryChannelNames !== undefined) {
-    bodyParams[
-      "DeliveryChannelNames"
-    ] = serializeAws_json1_1DeliveryChannelNameList(
-      input.DeliveryChannelNames,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.DeliveryChannelNames !== undefined && {
+      DeliveryChannelNames: serializeAws_json1_1DeliveryChannelNameList(
+        input.DeliveryChannelNames,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeDeliveryChannelsRequest = (
   input: DescribeDeliveryChannelsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DeliveryChannelNames !== undefined) {
-    bodyParams[
-      "DeliveryChannelNames"
-    ] = serializeAws_json1_1DeliveryChannelNameList(
-      input.DeliveryChannelNames,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.DeliveryChannelNames !== undefined && {
+      DeliveryChannelNames: serializeAws_json1_1DeliveryChannelNameList(
+        input.DeliveryChannelNames,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeOrganizationConfigRuleStatusesRequest = (
   input: DescribeOrganizationConfigRuleStatusesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.OrganizationConfigRuleNames !== undefined) {
-    bodyParams[
-      "OrganizationConfigRuleNames"
-    ] = serializeAws_json1_1OrganizationConfigRuleNames(
-      input.OrganizationConfigRuleNames,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.OrganizationConfigRuleNames !== undefined && {
+      OrganizationConfigRuleNames: serializeAws_json1_1OrganizationConfigRuleNames(
+        input.OrganizationConfigRuleNames,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeOrganizationConfigRulesRequest = (
   input: DescribeOrganizationConfigRulesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.OrganizationConfigRuleNames !== undefined) {
-    bodyParams[
-      "OrganizationConfigRuleNames"
-    ] = serializeAws_json1_1OrganizationConfigRuleNames(
-      input.OrganizationConfigRuleNames,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.OrganizationConfigRuleNames !== undefined && {
+      OrganizationConfigRuleNames: serializeAws_json1_1OrganizationConfigRuleNames(
+        input.OrganizationConfigRuleNames,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeOrganizationConformancePackStatusesRequest = (
   input: DescribeOrganizationConformancePackStatusesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.OrganizationConformancePackNames !== undefined) {
-    bodyParams[
-      "OrganizationConformancePackNames"
-    ] = serializeAws_json1_1OrganizationConformancePackNames(
-      input.OrganizationConformancePackNames,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.OrganizationConformancePackNames !== undefined && {
+      OrganizationConformancePackNames: serializeAws_json1_1OrganizationConformancePackNames(
+        input.OrganizationConformancePackNames,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeOrganizationConformancePacksRequest = (
   input: DescribeOrganizationConformancePacksRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.OrganizationConformancePackNames !== undefined) {
-    bodyParams[
-      "OrganizationConformancePackNames"
-    ] = serializeAws_json1_1OrganizationConformancePackNames(
-      input.OrganizationConformancePackNames,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.OrganizationConformancePackNames !== undefined && {
+      OrganizationConformancePackNames: serializeAws_json1_1OrganizationConformancePackNames(
+        input.OrganizationConformancePackNames,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1DescribePendingAggregationRequestsRequest = (
   input: DescribePendingAggregationRequestsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1DescribeRemediationConfigurationsRequest = (
   input: DescribeRemediationConfigurationsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ConfigRuleNames !== undefined) {
-    bodyParams["ConfigRuleNames"] = serializeAws_json1_1ConfigRuleNames(
-      input.ConfigRuleNames,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ConfigRuleNames !== undefined && {
+      ConfigRuleNames: serializeAws_json1_1ConfigRuleNames(
+        input.ConfigRuleNames,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeRemediationExceptionsRequest = (
   input: DescribeRemediationExceptionsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ConfigRuleName !== undefined) {
-    bodyParams["ConfigRuleName"] = input.ConfigRuleName;
-  }
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.ResourceKeys !== undefined) {
-    bodyParams[
-      "ResourceKeys"
-    ] = serializeAws_json1_1RemediationExceptionResourceKeys(
-      input.ResourceKeys,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ConfigRuleName !== undefined && {
+      ConfigRuleName: input.ConfigRuleName
+    }),
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.ResourceKeys !== undefined && {
+      ResourceKeys: serializeAws_json1_1RemediationExceptionResourceKeys(
+        input.ResourceKeys,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeRemediationExecutionStatusRequest = (
   input: DescribeRemediationExecutionStatusRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ConfigRuleName !== undefined) {
-    bodyParams["ConfigRuleName"] = input.ConfigRuleName;
-  }
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.ResourceKeys !== undefined) {
-    bodyParams["ResourceKeys"] = serializeAws_json1_1ResourceKeys(
-      input.ResourceKeys,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ConfigRuleName !== undefined && {
+      ConfigRuleName: input.ConfigRuleName
+    }),
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.ResourceKeys !== undefined && {
+      ResourceKeys: serializeAws_json1_1ResourceKeys(
+        input.ResourceKeys,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeRetentionConfigurationsRequest = (
   input: DescribeRetentionConfigurationsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.RetentionConfigurationNames !== undefined) {
-    bodyParams[
-      "RetentionConfigurationNames"
-    ] = serializeAws_json1_1RetentionConfigurationNameList(
-      input.RetentionConfigurationNames,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.RetentionConfigurationNames !== undefined && {
+      RetentionConfigurationNames: serializeAws_json1_1RetentionConfigurationNameList(
+        input.RetentionConfigurationNames,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1Evaluation = (
   input: Evaluation,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Annotation !== undefined) {
-    bodyParams["Annotation"] = input.Annotation;
-  }
-  if (input.ComplianceResourceId !== undefined) {
-    bodyParams["ComplianceResourceId"] = input.ComplianceResourceId;
-  }
-  if (input.ComplianceResourceType !== undefined) {
-    bodyParams["ComplianceResourceType"] = input.ComplianceResourceType;
-  }
-  if (input.ComplianceType !== undefined) {
-    bodyParams["ComplianceType"] = input.ComplianceType;
-  }
-  if (input.OrderingTimestamp !== undefined) {
-    bodyParams["OrderingTimestamp"] = Math.round(
-      input.OrderingTimestamp.getTime() / 1000
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Annotation !== undefined && { Annotation: input.Annotation }),
+    ...(input.ComplianceResourceId !== undefined && {
+      ComplianceResourceId: input.ComplianceResourceId
+    }),
+    ...(input.ComplianceResourceType !== undefined && {
+      ComplianceResourceType: input.ComplianceResourceType
+    }),
+    ...(input.ComplianceType !== undefined && {
+      ComplianceType: input.ComplianceType
+    }),
+    ...(input.OrderingTimestamp !== undefined && {
+      OrderingTimestamp: Math.round(input.OrderingTimestamp.getTime() / 1000)
+    })
+  };
 };
 
 const serializeAws_json1_1Evaluations = (
@@ -10478,418 +10327,320 @@ const serializeAws_json1_1ExecutionControls = (
   input: ExecutionControls,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.SsmControls !== undefined) {
-    bodyParams["SsmControls"] = serializeAws_json1_1SsmControls(
-      input.SsmControls,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.SsmControls !== undefined && {
+      SsmControls: serializeAws_json1_1SsmControls(input.SsmControls, context)
+    })
+  };
 };
 
 const serializeAws_json1_1GetAggregateComplianceDetailsByConfigRuleRequest = (
   input: GetAggregateComplianceDetailsByConfigRuleRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AccountId !== undefined) {
-    bodyParams["AccountId"] = input.AccountId;
-  }
-  if (input.AwsRegion !== undefined) {
-    bodyParams["AwsRegion"] = input.AwsRegion;
-  }
-  if (input.ComplianceType !== undefined) {
-    bodyParams["ComplianceType"] = input.ComplianceType;
-  }
-  if (input.ConfigRuleName !== undefined) {
-    bodyParams["ConfigRuleName"] = input.ConfigRuleName;
-  }
-  if (input.ConfigurationAggregatorName !== undefined) {
-    bodyParams["ConfigurationAggregatorName"] =
-      input.ConfigurationAggregatorName;
-  }
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.AccountId !== undefined && { AccountId: input.AccountId }),
+    ...(input.AwsRegion !== undefined && { AwsRegion: input.AwsRegion }),
+    ...(input.ComplianceType !== undefined && {
+      ComplianceType: input.ComplianceType
+    }),
+    ...(input.ConfigRuleName !== undefined && {
+      ConfigRuleName: input.ConfigRuleName
+    }),
+    ...(input.ConfigurationAggregatorName !== undefined && {
+      ConfigurationAggregatorName: input.ConfigurationAggregatorName
+    }),
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1GetAggregateConfigRuleComplianceSummaryRequest = (
   input: GetAggregateConfigRuleComplianceSummaryRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ConfigurationAggregatorName !== undefined) {
-    bodyParams["ConfigurationAggregatorName"] =
-      input.ConfigurationAggregatorName;
-  }
-  if (input.Filters !== undefined) {
-    bodyParams[
-      "Filters"
-    ] = serializeAws_json1_1ConfigRuleComplianceSummaryFilters(
-      input.Filters,
-      context
-    );
-  }
-  if (input.GroupByKey !== undefined) {
-    bodyParams["GroupByKey"] = input.GroupByKey;
-  }
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.ConfigurationAggregatorName !== undefined && {
+      ConfigurationAggregatorName: input.ConfigurationAggregatorName
+    }),
+    ...(input.Filters !== undefined && {
+      Filters: serializeAws_json1_1ConfigRuleComplianceSummaryFilters(
+        input.Filters,
+        context
+      )
+    }),
+    ...(input.GroupByKey !== undefined && { GroupByKey: input.GroupByKey }),
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1GetAggregateDiscoveredResourceCountsRequest = (
   input: GetAggregateDiscoveredResourceCountsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ConfigurationAggregatorName !== undefined) {
-    bodyParams["ConfigurationAggregatorName"] =
-      input.ConfigurationAggregatorName;
-  }
-  if (input.Filters !== undefined) {
-    bodyParams["Filters"] = serializeAws_json1_1ResourceCountFilters(
-      input.Filters,
-      context
-    );
-  }
-  if (input.GroupByKey !== undefined) {
-    bodyParams["GroupByKey"] = input.GroupByKey;
-  }
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.ConfigurationAggregatorName !== undefined && {
+      ConfigurationAggregatorName: input.ConfigurationAggregatorName
+    }),
+    ...(input.Filters !== undefined && {
+      Filters: serializeAws_json1_1ResourceCountFilters(input.Filters, context)
+    }),
+    ...(input.GroupByKey !== undefined && { GroupByKey: input.GroupByKey }),
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1GetAggregateResourceConfigRequest = (
   input: GetAggregateResourceConfigRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ConfigurationAggregatorName !== undefined) {
-    bodyParams["ConfigurationAggregatorName"] =
-      input.ConfigurationAggregatorName;
-  }
-  if (input.ResourceIdentifier !== undefined) {
-    bodyParams[
-      "ResourceIdentifier"
-    ] = serializeAws_json1_1AggregateResourceIdentifier(
-      input.ResourceIdentifier,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ConfigurationAggregatorName !== undefined && {
+      ConfigurationAggregatorName: input.ConfigurationAggregatorName
+    }),
+    ...(input.ResourceIdentifier !== undefined && {
+      ResourceIdentifier: serializeAws_json1_1AggregateResourceIdentifier(
+        input.ResourceIdentifier,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1GetComplianceDetailsByConfigRuleRequest = (
   input: GetComplianceDetailsByConfigRuleRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ComplianceTypes !== undefined) {
-    bodyParams["ComplianceTypes"] = serializeAws_json1_1ComplianceTypes(
-      input.ComplianceTypes,
-      context
-    );
-  }
-  if (input.ConfigRuleName !== undefined) {
-    bodyParams["ConfigRuleName"] = input.ConfigRuleName;
-  }
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.ComplianceTypes !== undefined && {
+      ComplianceTypes: serializeAws_json1_1ComplianceTypes(
+        input.ComplianceTypes,
+        context
+      )
+    }),
+    ...(input.ConfigRuleName !== undefined && {
+      ConfigRuleName: input.ConfigRuleName
+    }),
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1GetComplianceDetailsByResourceRequest = (
   input: GetComplianceDetailsByResourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ComplianceTypes !== undefined) {
-    bodyParams["ComplianceTypes"] = serializeAws_json1_1ComplianceTypes(
-      input.ComplianceTypes,
-      context
-    );
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.ResourceId !== undefined) {
-    bodyParams["ResourceId"] = input.ResourceId;
-  }
-  if (input.ResourceType !== undefined) {
-    bodyParams["ResourceType"] = input.ResourceType;
-  }
-  return bodyParams;
+  return {
+    ...(input.ComplianceTypes !== undefined && {
+      ComplianceTypes: serializeAws_json1_1ComplianceTypes(
+        input.ComplianceTypes,
+        context
+      )
+    }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.ResourceId !== undefined && { ResourceId: input.ResourceId }),
+    ...(input.ResourceType !== undefined && {
+      ResourceType: input.ResourceType
+    })
+  };
 };
 
 const serializeAws_json1_1GetComplianceSummaryByResourceTypeRequest = (
   input: GetComplianceSummaryByResourceTypeRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceTypes !== undefined) {
-    bodyParams["ResourceTypes"] = serializeAws_json1_1ResourceTypes(
-      input.ResourceTypes,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceTypes !== undefined && {
+      ResourceTypes: serializeAws_json1_1ResourceTypes(
+        input.ResourceTypes,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1GetConformancePackComplianceDetailsRequest = (
   input: GetConformancePackComplianceDetailsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ConformancePackName !== undefined) {
-    bodyParams["ConformancePackName"] = input.ConformancePackName;
-  }
-  if (input.Filters !== undefined) {
-    bodyParams[
-      "Filters"
-    ] = serializeAws_json1_1ConformancePackEvaluationFilters(
-      input.Filters,
-      context
-    );
-  }
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.ConformancePackName !== undefined && {
+      ConformancePackName: input.ConformancePackName
+    }),
+    ...(input.Filters !== undefined && {
+      Filters: serializeAws_json1_1ConformancePackEvaluationFilters(
+        input.Filters,
+        context
+      )
+    }),
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1GetConformancePackComplianceSummaryRequest = (
   input: GetConformancePackComplianceSummaryRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ConformancePackNames !== undefined) {
-    bodyParams[
-      "ConformancePackNames"
-    ] = serializeAws_json1_1ConformancePackNamesToSummarizeList(
-      input.ConformancePackNames,
-      context
-    );
-  }
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.ConformancePackNames !== undefined && {
+      ConformancePackNames: serializeAws_json1_1ConformancePackNamesToSummarizeList(
+        input.ConformancePackNames,
+        context
+      )
+    }),
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1GetDiscoveredResourceCountsRequest = (
   input: GetDiscoveredResourceCountsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.limit !== undefined) {
-    bodyParams["limit"] = input.limit;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  if (input.resourceTypes !== undefined) {
-    bodyParams["resourceTypes"] = serializeAws_json1_1ResourceTypes(
-      input.resourceTypes,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.limit !== undefined && { limit: input.limit }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken }),
+    ...(input.resourceTypes !== undefined && {
+      resourceTypes: serializeAws_json1_1ResourceTypes(
+        input.resourceTypes,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1GetOrganizationConfigRuleDetailedStatusRequest = (
   input: GetOrganizationConfigRuleDetailedStatusRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Filters !== undefined) {
-    bodyParams["Filters"] = serializeAws_json1_1StatusDetailFilters(
-      input.Filters,
-      context
-    );
-  }
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.OrganizationConfigRuleName !== undefined) {
-    bodyParams["OrganizationConfigRuleName"] = input.OrganizationConfigRuleName;
-  }
-  return bodyParams;
+  return {
+    ...(input.Filters !== undefined && {
+      Filters: serializeAws_json1_1StatusDetailFilters(input.Filters, context)
+    }),
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.OrganizationConfigRuleName !== undefined && {
+      OrganizationConfigRuleName: input.OrganizationConfigRuleName
+    })
+  };
 };
 
 const serializeAws_json1_1GetOrganizationConformancePackDetailedStatusRequest = (
   input: GetOrganizationConformancePackDetailedStatusRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Filters !== undefined) {
-    bodyParams[
-      "Filters"
-    ] = serializeAws_json1_1OrganizationResourceDetailedStatusFilters(
-      input.Filters,
-      context
-    );
-  }
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.OrganizationConformancePackName !== undefined) {
-    bodyParams["OrganizationConformancePackName"] =
-      input.OrganizationConformancePackName;
-  }
-  return bodyParams;
+  return {
+    ...(input.Filters !== undefined && {
+      Filters: serializeAws_json1_1OrganizationResourceDetailedStatusFilters(
+        input.Filters,
+        context
+      )
+    }),
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.OrganizationConformancePackName !== undefined && {
+      OrganizationConformancePackName: input.OrganizationConformancePackName
+    })
+  };
 };
 
 const serializeAws_json1_1GetResourceConfigHistoryRequest = (
   input: GetResourceConfigHistoryRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.chronologicalOrder !== undefined) {
-    bodyParams["chronologicalOrder"] = input.chronologicalOrder;
-  }
-  if (input.earlierTime !== undefined) {
-    bodyParams["earlierTime"] = Math.round(input.earlierTime.getTime() / 1000);
-  }
-  if (input.laterTime !== undefined) {
-    bodyParams["laterTime"] = Math.round(input.laterTime.getTime() / 1000);
-  }
-  if (input.limit !== undefined) {
-    bodyParams["limit"] = input.limit;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  if (input.resourceId !== undefined) {
-    bodyParams["resourceId"] = input.resourceId;
-  }
-  if (input.resourceType !== undefined) {
-    bodyParams["resourceType"] = input.resourceType;
-  }
-  return bodyParams;
+  return {
+    ...(input.chronologicalOrder !== undefined && {
+      chronologicalOrder: input.chronologicalOrder
+    }),
+    ...(input.earlierTime !== undefined && {
+      earlierTime: Math.round(input.earlierTime.getTime() / 1000)
+    }),
+    ...(input.laterTime !== undefined && {
+      laterTime: Math.round(input.laterTime.getTime() / 1000)
+    }),
+    ...(input.limit !== undefined && { limit: input.limit }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken }),
+    ...(input.resourceId !== undefined && { resourceId: input.resourceId }),
+    ...(input.resourceType !== undefined && {
+      resourceType: input.resourceType
+    })
+  };
 };
 
 const serializeAws_json1_1ListAggregateDiscoveredResourcesRequest = (
   input: ListAggregateDiscoveredResourcesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ConfigurationAggregatorName !== undefined) {
-    bodyParams["ConfigurationAggregatorName"] =
-      input.ConfigurationAggregatorName;
-  }
-  if (input.Filters !== undefined) {
-    bodyParams["Filters"] = serializeAws_json1_1ResourceFilters(
-      input.Filters,
-      context
-    );
-  }
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.ResourceType !== undefined) {
-    bodyParams["ResourceType"] = input.ResourceType;
-  }
-  return bodyParams;
+  return {
+    ...(input.ConfigurationAggregatorName !== undefined && {
+      ConfigurationAggregatorName: input.ConfigurationAggregatorName
+    }),
+    ...(input.Filters !== undefined && {
+      Filters: serializeAws_json1_1ResourceFilters(input.Filters, context)
+    }),
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.ResourceType !== undefined && {
+      ResourceType: input.ResourceType
+    })
+  };
 };
 
 const serializeAws_json1_1ListDiscoveredResourcesRequest = (
   input: ListDiscoveredResourcesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.includeDeletedResources !== undefined) {
-    bodyParams["includeDeletedResources"] = input.includeDeletedResources;
-  }
-  if (input.limit !== undefined) {
-    bodyParams["limit"] = input.limit;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  if (input.resourceIds !== undefined) {
-    bodyParams["resourceIds"] = serializeAws_json1_1ResourceIdList(
-      input.resourceIds,
-      context
-    );
-  }
-  if (input.resourceName !== undefined) {
-    bodyParams["resourceName"] = input.resourceName;
-  }
-  if (input.resourceType !== undefined) {
-    bodyParams["resourceType"] = input.resourceType;
-  }
-  return bodyParams;
+  return {
+    ...(input.includeDeletedResources !== undefined && {
+      includeDeletedResources: input.includeDeletedResources
+    }),
+    ...(input.limit !== undefined && { limit: input.limit }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken }),
+    ...(input.resourceIds !== undefined && {
+      resourceIds: serializeAws_json1_1ResourceIdList(
+        input.resourceIds,
+        context
+      )
+    }),
+    ...(input.resourceName !== undefined && {
+      resourceName: input.resourceName
+    }),
+    ...(input.resourceType !== undefined && {
+      resourceType: input.resourceType
+    })
+  };
 };
 
 const serializeAws_json1_1ListTagsForResourceRequest = (
   input: ListTagsForResourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.ResourceArn !== undefined) {
-    bodyParams["ResourceArn"] = input.ResourceArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.ResourceArn !== undefined && { ResourceArn: input.ResourceArn })
+  };
 };
 
 const serializeAws_json1_1OrganizationAggregationSource = (
   input: OrganizationAggregationSource,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AllAwsRegions !== undefined) {
-    bodyParams["AllAwsRegions"] = input.AllAwsRegions;
-  }
-  if (input.AwsRegions !== undefined) {
-    bodyParams["AwsRegions"] = serializeAws_json1_1AggregatorRegionList(
-      input.AwsRegions,
-      context
-    );
-  }
-  if (input.RoleArn !== undefined) {
-    bodyParams["RoleArn"] = input.RoleArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.AllAwsRegions !== undefined && {
+      AllAwsRegions: input.AllAwsRegions
+    }),
+    ...(input.AwsRegions !== undefined && {
+      AwsRegions: serializeAws_json1_1AggregatorRegionList(
+        input.AwsRegions,
+        context
+      )
+    }),
+    ...(input.RoleArn !== undefined && { RoleArn: input.RoleArn })
+  };
 };
 
 const serializeAws_json1_1OrganizationConfigRuleNames = (
@@ -10917,409 +10668,359 @@ const serializeAws_json1_1OrganizationCustomRuleMetadata = (
   input: OrganizationCustomRuleMetadata,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.InputParameters !== undefined) {
-    bodyParams["InputParameters"] = input.InputParameters;
-  }
-  if (input.LambdaFunctionArn !== undefined) {
-    bodyParams["LambdaFunctionArn"] = input.LambdaFunctionArn;
-  }
-  if (input.MaximumExecutionFrequency !== undefined) {
-    bodyParams["MaximumExecutionFrequency"] = input.MaximumExecutionFrequency;
-  }
-  if (input.OrganizationConfigRuleTriggerTypes !== undefined) {
-    bodyParams[
-      "OrganizationConfigRuleTriggerTypes"
-    ] = serializeAws_json1_1OrganizationConfigRuleTriggerTypes(
-      input.OrganizationConfigRuleTriggerTypes,
-      context
-    );
-  }
-  if (input.ResourceIdScope !== undefined) {
-    bodyParams["ResourceIdScope"] = input.ResourceIdScope;
-  }
-  if (input.ResourceTypesScope !== undefined) {
-    bodyParams["ResourceTypesScope"] = serializeAws_json1_1ResourceTypesScope(
-      input.ResourceTypesScope,
-      context
-    );
-  }
-  if (input.TagKeyScope !== undefined) {
-    bodyParams["TagKeyScope"] = input.TagKeyScope;
-  }
-  if (input.TagValueScope !== undefined) {
-    bodyParams["TagValueScope"] = input.TagValueScope;
-  }
-  return bodyParams;
+  return {
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.InputParameters !== undefined && {
+      InputParameters: input.InputParameters
+    }),
+    ...(input.LambdaFunctionArn !== undefined && {
+      LambdaFunctionArn: input.LambdaFunctionArn
+    }),
+    ...(input.MaximumExecutionFrequency !== undefined && {
+      MaximumExecutionFrequency: input.MaximumExecutionFrequency
+    }),
+    ...(input.OrganizationConfigRuleTriggerTypes !== undefined && {
+      OrganizationConfigRuleTriggerTypes: serializeAws_json1_1OrganizationConfigRuleTriggerTypes(
+        input.OrganizationConfigRuleTriggerTypes,
+        context
+      )
+    }),
+    ...(input.ResourceIdScope !== undefined && {
+      ResourceIdScope: input.ResourceIdScope
+    }),
+    ...(input.ResourceTypesScope !== undefined && {
+      ResourceTypesScope: serializeAws_json1_1ResourceTypesScope(
+        input.ResourceTypesScope,
+        context
+      )
+    }),
+    ...(input.TagKeyScope !== undefined && { TagKeyScope: input.TagKeyScope }),
+    ...(input.TagValueScope !== undefined && {
+      TagValueScope: input.TagValueScope
+    })
+  };
 };
 
 const serializeAws_json1_1OrganizationManagedRuleMetadata = (
   input: OrganizationManagedRuleMetadata,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.InputParameters !== undefined) {
-    bodyParams["InputParameters"] = input.InputParameters;
-  }
-  if (input.MaximumExecutionFrequency !== undefined) {
-    bodyParams["MaximumExecutionFrequency"] = input.MaximumExecutionFrequency;
-  }
-  if (input.ResourceIdScope !== undefined) {
-    bodyParams["ResourceIdScope"] = input.ResourceIdScope;
-  }
-  if (input.ResourceTypesScope !== undefined) {
-    bodyParams["ResourceTypesScope"] = serializeAws_json1_1ResourceTypesScope(
-      input.ResourceTypesScope,
-      context
-    );
-  }
-  if (input.RuleIdentifier !== undefined) {
-    bodyParams["RuleIdentifier"] = input.RuleIdentifier;
-  }
-  if (input.TagKeyScope !== undefined) {
-    bodyParams["TagKeyScope"] = input.TagKeyScope;
-  }
-  if (input.TagValueScope !== undefined) {
-    bodyParams["TagValueScope"] = input.TagValueScope;
-  }
-  return bodyParams;
+  return {
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.InputParameters !== undefined && {
+      InputParameters: input.InputParameters
+    }),
+    ...(input.MaximumExecutionFrequency !== undefined && {
+      MaximumExecutionFrequency: input.MaximumExecutionFrequency
+    }),
+    ...(input.ResourceIdScope !== undefined && {
+      ResourceIdScope: input.ResourceIdScope
+    }),
+    ...(input.ResourceTypesScope !== undefined && {
+      ResourceTypesScope: serializeAws_json1_1ResourceTypesScope(
+        input.ResourceTypesScope,
+        context
+      )
+    }),
+    ...(input.RuleIdentifier !== undefined && {
+      RuleIdentifier: input.RuleIdentifier
+    }),
+    ...(input.TagKeyScope !== undefined && { TagKeyScope: input.TagKeyScope }),
+    ...(input.TagValueScope !== undefined && {
+      TagValueScope: input.TagValueScope
+    })
+  };
 };
 
 const serializeAws_json1_1OrganizationResourceDetailedStatusFilters = (
   input: OrganizationResourceDetailedStatusFilters,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AccountId !== undefined) {
-    bodyParams["AccountId"] = input.AccountId;
-  }
-  if (input.Status !== undefined) {
-    bodyParams["Status"] = input.Status;
-  }
-  return bodyParams;
+  return {
+    ...(input.AccountId !== undefined && { AccountId: input.AccountId }),
+    ...(input.Status !== undefined && { Status: input.Status })
+  };
 };
 
 const serializeAws_json1_1PutAggregationAuthorizationRequest = (
   input: PutAggregationAuthorizationRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AuthorizedAccountId !== undefined) {
-    bodyParams["AuthorizedAccountId"] = input.AuthorizedAccountId;
-  }
-  if (input.AuthorizedAwsRegion !== undefined) {
-    bodyParams["AuthorizedAwsRegion"] = input.AuthorizedAwsRegion;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagsList(input.Tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.AuthorizedAccountId !== undefined && {
+      AuthorizedAccountId: input.AuthorizedAccountId
+    }),
+    ...(input.AuthorizedAwsRegion !== undefined && {
+      AuthorizedAwsRegion: input.AuthorizedAwsRegion
+    }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagsList(input.Tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1PutConfigRuleRequest = (
   input: PutConfigRuleRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ConfigRule !== undefined) {
-    bodyParams["ConfigRule"] = serializeAws_json1_1ConfigRule(
-      input.ConfigRule,
-      context
-    );
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagsList(input.Tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.ConfigRule !== undefined && {
+      ConfigRule: serializeAws_json1_1ConfigRule(input.ConfigRule, context)
+    }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagsList(input.Tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1PutConfigurationAggregatorRequest = (
   input: PutConfigurationAggregatorRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AccountAggregationSources !== undefined) {
-    bodyParams[
-      "AccountAggregationSources"
-    ] = serializeAws_json1_1AccountAggregationSourceList(
-      input.AccountAggregationSources,
-      context
-    );
-  }
-  if (input.ConfigurationAggregatorName !== undefined) {
-    bodyParams["ConfigurationAggregatorName"] =
-      input.ConfigurationAggregatorName;
-  }
-  if (input.OrganizationAggregationSource !== undefined) {
-    bodyParams[
-      "OrganizationAggregationSource"
-    ] = serializeAws_json1_1OrganizationAggregationSource(
-      input.OrganizationAggregationSource,
-      context
-    );
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagsList(input.Tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.AccountAggregationSources !== undefined && {
+      AccountAggregationSources: serializeAws_json1_1AccountAggregationSourceList(
+        input.AccountAggregationSources,
+        context
+      )
+    }),
+    ...(input.ConfigurationAggregatorName !== undefined && {
+      ConfigurationAggregatorName: input.ConfigurationAggregatorName
+    }),
+    ...(input.OrganizationAggregationSource !== undefined && {
+      OrganizationAggregationSource: serializeAws_json1_1OrganizationAggregationSource(
+        input.OrganizationAggregationSource,
+        context
+      )
+    }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagsList(input.Tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1PutConfigurationRecorderRequest = (
   input: PutConfigurationRecorderRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ConfigurationRecorder !== undefined) {
-    bodyParams[
-      "ConfigurationRecorder"
-    ] = serializeAws_json1_1ConfigurationRecorder(
-      input.ConfigurationRecorder,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ConfigurationRecorder !== undefined && {
+      ConfigurationRecorder: serializeAws_json1_1ConfigurationRecorder(
+        input.ConfigurationRecorder,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1PutConformancePackRequest = (
   input: PutConformancePackRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ConformancePackInputParameters !== undefined) {
-    bodyParams[
-      "ConformancePackInputParameters"
-    ] = serializeAws_json1_1ConformancePackInputParameters(
-      input.ConformancePackInputParameters,
-      context
-    );
-  }
-  if (input.ConformancePackName !== undefined) {
-    bodyParams["ConformancePackName"] = input.ConformancePackName;
-  }
-  if (input.DeliveryS3Bucket !== undefined) {
-    bodyParams["DeliveryS3Bucket"] = input.DeliveryS3Bucket;
-  }
-  if (input.DeliveryS3KeyPrefix !== undefined) {
-    bodyParams["DeliveryS3KeyPrefix"] = input.DeliveryS3KeyPrefix;
-  }
-  if (input.TemplateBody !== undefined) {
-    bodyParams["TemplateBody"] = input.TemplateBody;
-  }
-  if (input.TemplateS3Uri !== undefined) {
-    bodyParams["TemplateS3Uri"] = input.TemplateS3Uri;
-  }
-  return bodyParams;
+  return {
+    ...(input.ConformancePackInputParameters !== undefined && {
+      ConformancePackInputParameters: serializeAws_json1_1ConformancePackInputParameters(
+        input.ConformancePackInputParameters,
+        context
+      )
+    }),
+    ...(input.ConformancePackName !== undefined && {
+      ConformancePackName: input.ConformancePackName
+    }),
+    ...(input.DeliveryS3Bucket !== undefined && {
+      DeliveryS3Bucket: input.DeliveryS3Bucket
+    }),
+    ...(input.DeliveryS3KeyPrefix !== undefined && {
+      DeliveryS3KeyPrefix: input.DeliveryS3KeyPrefix
+    }),
+    ...(input.TemplateBody !== undefined && {
+      TemplateBody: input.TemplateBody
+    }),
+    ...(input.TemplateS3Uri !== undefined && {
+      TemplateS3Uri: input.TemplateS3Uri
+    })
+  };
 };
 
 const serializeAws_json1_1PutDeliveryChannelRequest = (
   input: PutDeliveryChannelRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DeliveryChannel !== undefined) {
-    bodyParams["DeliveryChannel"] = serializeAws_json1_1DeliveryChannel(
-      input.DeliveryChannel,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.DeliveryChannel !== undefined && {
+      DeliveryChannel: serializeAws_json1_1DeliveryChannel(
+        input.DeliveryChannel,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1PutEvaluationsRequest = (
   input: PutEvaluationsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Evaluations !== undefined) {
-    bodyParams["Evaluations"] = serializeAws_json1_1Evaluations(
-      input.Evaluations,
-      context
-    );
-  }
-  if (input.ResultToken !== undefined) {
-    bodyParams["ResultToken"] = input.ResultToken;
-  }
-  if (input.TestMode !== undefined) {
-    bodyParams["TestMode"] = input.TestMode;
-  }
-  return bodyParams;
+  return {
+    ...(input.Evaluations !== undefined && {
+      Evaluations: serializeAws_json1_1Evaluations(input.Evaluations, context)
+    }),
+    ...(input.ResultToken !== undefined && { ResultToken: input.ResultToken }),
+    ...(input.TestMode !== undefined && { TestMode: input.TestMode })
+  };
 };
 
 const serializeAws_json1_1PutOrganizationConfigRuleRequest = (
   input: PutOrganizationConfigRuleRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ExcludedAccounts !== undefined) {
-    bodyParams["ExcludedAccounts"] = serializeAws_json1_1ExcludedAccounts(
-      input.ExcludedAccounts,
-      context
-    );
-  }
-  if (input.OrganizationConfigRuleName !== undefined) {
-    bodyParams["OrganizationConfigRuleName"] = input.OrganizationConfigRuleName;
-  }
-  if (input.OrganizationCustomRuleMetadata !== undefined) {
-    bodyParams[
-      "OrganizationCustomRuleMetadata"
-    ] = serializeAws_json1_1OrganizationCustomRuleMetadata(
-      input.OrganizationCustomRuleMetadata,
-      context
-    );
-  }
-  if (input.OrganizationManagedRuleMetadata !== undefined) {
-    bodyParams[
-      "OrganizationManagedRuleMetadata"
-    ] = serializeAws_json1_1OrganizationManagedRuleMetadata(
-      input.OrganizationManagedRuleMetadata,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ExcludedAccounts !== undefined && {
+      ExcludedAccounts: serializeAws_json1_1ExcludedAccounts(
+        input.ExcludedAccounts,
+        context
+      )
+    }),
+    ...(input.OrganizationConfigRuleName !== undefined && {
+      OrganizationConfigRuleName: input.OrganizationConfigRuleName
+    }),
+    ...(input.OrganizationCustomRuleMetadata !== undefined && {
+      OrganizationCustomRuleMetadata: serializeAws_json1_1OrganizationCustomRuleMetadata(
+        input.OrganizationCustomRuleMetadata,
+        context
+      )
+    }),
+    ...(input.OrganizationManagedRuleMetadata !== undefined && {
+      OrganizationManagedRuleMetadata: serializeAws_json1_1OrganizationManagedRuleMetadata(
+        input.OrganizationManagedRuleMetadata,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1PutOrganizationConformancePackRequest = (
   input: PutOrganizationConformancePackRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ConformancePackInputParameters !== undefined) {
-    bodyParams[
-      "ConformancePackInputParameters"
-    ] = serializeAws_json1_1ConformancePackInputParameters(
-      input.ConformancePackInputParameters,
-      context
-    );
-  }
-  if (input.DeliveryS3Bucket !== undefined) {
-    bodyParams["DeliveryS3Bucket"] = input.DeliveryS3Bucket;
-  }
-  if (input.DeliveryS3KeyPrefix !== undefined) {
-    bodyParams["DeliveryS3KeyPrefix"] = input.DeliveryS3KeyPrefix;
-  }
-  if (input.ExcludedAccounts !== undefined) {
-    bodyParams["ExcludedAccounts"] = serializeAws_json1_1ExcludedAccounts(
-      input.ExcludedAccounts,
-      context
-    );
-  }
-  if (input.OrganizationConformancePackName !== undefined) {
-    bodyParams["OrganizationConformancePackName"] =
-      input.OrganizationConformancePackName;
-  }
-  if (input.TemplateBody !== undefined) {
-    bodyParams["TemplateBody"] = input.TemplateBody;
-  }
-  if (input.TemplateS3Uri !== undefined) {
-    bodyParams["TemplateS3Uri"] = input.TemplateS3Uri;
-  }
-  return bodyParams;
+  return {
+    ...(input.ConformancePackInputParameters !== undefined && {
+      ConformancePackInputParameters: serializeAws_json1_1ConformancePackInputParameters(
+        input.ConformancePackInputParameters,
+        context
+      )
+    }),
+    ...(input.DeliveryS3Bucket !== undefined && {
+      DeliveryS3Bucket: input.DeliveryS3Bucket
+    }),
+    ...(input.DeliveryS3KeyPrefix !== undefined && {
+      DeliveryS3KeyPrefix: input.DeliveryS3KeyPrefix
+    }),
+    ...(input.ExcludedAccounts !== undefined && {
+      ExcludedAccounts: serializeAws_json1_1ExcludedAccounts(
+        input.ExcludedAccounts,
+        context
+      )
+    }),
+    ...(input.OrganizationConformancePackName !== undefined && {
+      OrganizationConformancePackName: input.OrganizationConformancePackName
+    }),
+    ...(input.TemplateBody !== undefined && {
+      TemplateBody: input.TemplateBody
+    }),
+    ...(input.TemplateS3Uri !== undefined && {
+      TemplateS3Uri: input.TemplateS3Uri
+    })
+  };
 };
 
 const serializeAws_json1_1PutRemediationConfigurationsRequest = (
   input: PutRemediationConfigurationsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.RemediationConfigurations !== undefined) {
-    bodyParams[
-      "RemediationConfigurations"
-    ] = serializeAws_json1_1RemediationConfigurations(
-      input.RemediationConfigurations,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.RemediationConfigurations !== undefined && {
+      RemediationConfigurations: serializeAws_json1_1RemediationConfigurations(
+        input.RemediationConfigurations,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1PutRemediationExceptionsRequest = (
   input: PutRemediationExceptionsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ConfigRuleName !== undefined) {
-    bodyParams["ConfigRuleName"] = input.ConfigRuleName;
-  }
-  if (input.ExpirationTime !== undefined) {
-    bodyParams["ExpirationTime"] = Math.round(
-      input.ExpirationTime.getTime() / 1000
-    );
-  }
-  if (input.Message !== undefined) {
-    bodyParams["Message"] = input.Message;
-  }
-  if (input.ResourceKeys !== undefined) {
-    bodyParams[
-      "ResourceKeys"
-    ] = serializeAws_json1_1RemediationExceptionResourceKeys(
-      input.ResourceKeys,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ConfigRuleName !== undefined && {
+      ConfigRuleName: input.ConfigRuleName
+    }),
+    ...(input.ExpirationTime !== undefined && {
+      ExpirationTime: Math.round(input.ExpirationTime.getTime() / 1000)
+    }),
+    ...(input.Message !== undefined && { Message: input.Message }),
+    ...(input.ResourceKeys !== undefined && {
+      ResourceKeys: serializeAws_json1_1RemediationExceptionResourceKeys(
+        input.ResourceKeys,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1PutResourceConfigRequest = (
   input: PutResourceConfigRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Configuration !== undefined) {
-    bodyParams["Configuration"] = input.Configuration;
-  }
-  if (input.ResourceId !== undefined) {
-    bodyParams["ResourceId"] = input.ResourceId;
-  }
-  if (input.ResourceName !== undefined) {
-    bodyParams["ResourceName"] = input.ResourceName;
-  }
-  if (input.ResourceType !== undefined) {
-    bodyParams["ResourceType"] = input.ResourceType;
-  }
-  if (input.SchemaVersionId !== undefined) {
-    bodyParams["SchemaVersionId"] = input.SchemaVersionId;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1Tags(input.Tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.Configuration !== undefined && {
+      Configuration: input.Configuration
+    }),
+    ...(input.ResourceId !== undefined && { ResourceId: input.ResourceId }),
+    ...(input.ResourceName !== undefined && {
+      ResourceName: input.ResourceName
+    }),
+    ...(input.ResourceType !== undefined && {
+      ResourceType: input.ResourceType
+    }),
+    ...(input.SchemaVersionId !== undefined && {
+      SchemaVersionId: input.SchemaVersionId
+    }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1Tags(input.Tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1PutRetentionConfigurationRequest = (
   input: PutRetentionConfigurationRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.RetentionPeriodInDays !== undefined) {
-    bodyParams["RetentionPeriodInDays"] = input.RetentionPeriodInDays;
-  }
-  return bodyParams;
+  return {
+    ...(input.RetentionPeriodInDays !== undefined && {
+      RetentionPeriodInDays: input.RetentionPeriodInDays
+    })
+  };
 };
 
 const serializeAws_json1_1RecordingGroup = (
   input: RecordingGroup,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.allSupported !== undefined) {
-    bodyParams["allSupported"] = input.allSupported;
-  }
-  if (input.includeGlobalResourceTypes !== undefined) {
-    bodyParams["includeGlobalResourceTypes"] = input.includeGlobalResourceTypes;
-  }
-  if (input.resourceTypes !== undefined) {
-    bodyParams["resourceTypes"] = serializeAws_json1_1ResourceTypeList(
-      input.resourceTypes,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.allSupported !== undefined && {
+      allSupported: input.allSupported
+    }),
+    ...(input.includeGlobalResourceTypes !== undefined && {
+      includeGlobalResourceTypes: input.includeGlobalResourceTypes
+    }),
+    ...(input.resourceTypes !== undefined && {
+      resourceTypes: serializeAws_json1_1ResourceTypeList(
+        input.resourceTypes,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1ReevaluateConfigRuleNames = (
@@ -11333,50 +11034,42 @@ const serializeAws_json1_1RemediationConfiguration = (
   input: RemediationConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Arn !== undefined) {
-    bodyParams["Arn"] = input.Arn;
-  }
-  if (input.Automatic !== undefined) {
-    bodyParams["Automatic"] = input.Automatic;
-  }
-  if (input.ConfigRuleName !== undefined) {
-    bodyParams["ConfigRuleName"] = input.ConfigRuleName;
-  }
-  if (input.CreatedByService !== undefined) {
-    bodyParams["CreatedByService"] = input.CreatedByService;
-  }
-  if (input.ExecutionControls !== undefined) {
-    bodyParams["ExecutionControls"] = serializeAws_json1_1ExecutionControls(
-      input.ExecutionControls,
-      context
-    );
-  }
-  if (input.MaximumAutomaticAttempts !== undefined) {
-    bodyParams["MaximumAutomaticAttempts"] = input.MaximumAutomaticAttempts;
-  }
-  if (input.Parameters !== undefined) {
-    bodyParams["Parameters"] = serializeAws_json1_1RemediationParameters(
-      input.Parameters,
-      context
-    );
-  }
-  if (input.ResourceType !== undefined) {
-    bodyParams["ResourceType"] = input.ResourceType;
-  }
-  if (input.RetryAttemptSeconds !== undefined) {
-    bodyParams["RetryAttemptSeconds"] = input.RetryAttemptSeconds;
-  }
-  if (input.TargetId !== undefined) {
-    bodyParams["TargetId"] = input.TargetId;
-  }
-  if (input.TargetType !== undefined) {
-    bodyParams["TargetType"] = input.TargetType;
-  }
-  if (input.TargetVersion !== undefined) {
-    bodyParams["TargetVersion"] = input.TargetVersion;
-  }
-  return bodyParams;
+  return {
+    ...(input.Arn !== undefined && { Arn: input.Arn }),
+    ...(input.Automatic !== undefined && { Automatic: input.Automatic }),
+    ...(input.ConfigRuleName !== undefined && {
+      ConfigRuleName: input.ConfigRuleName
+    }),
+    ...(input.CreatedByService !== undefined && {
+      CreatedByService: input.CreatedByService
+    }),
+    ...(input.ExecutionControls !== undefined && {
+      ExecutionControls: serializeAws_json1_1ExecutionControls(
+        input.ExecutionControls,
+        context
+      )
+    }),
+    ...(input.MaximumAutomaticAttempts !== undefined && {
+      MaximumAutomaticAttempts: input.MaximumAutomaticAttempts
+    }),
+    ...(input.Parameters !== undefined && {
+      Parameters: serializeAws_json1_1RemediationParameters(
+        input.Parameters,
+        context
+      )
+    }),
+    ...(input.ResourceType !== undefined && {
+      ResourceType: input.ResourceType
+    }),
+    ...(input.RetryAttemptSeconds !== undefined && {
+      RetryAttemptSeconds: input.RetryAttemptSeconds
+    }),
+    ...(input.TargetId !== undefined && { TargetId: input.TargetId }),
+    ...(input.TargetType !== undefined && { TargetType: input.TargetType }),
+    ...(input.TargetVersion !== undefined && {
+      TargetVersion: input.TargetVersion
+    })
+  };
 };
 
 const serializeAws_json1_1RemediationConfigurations = (
@@ -11392,14 +11085,12 @@ const serializeAws_json1_1RemediationExceptionResourceKey = (
   input: RemediationExceptionResourceKey,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceId !== undefined) {
-    bodyParams["ResourceId"] = input.ResourceId;
-  }
-  if (input.ResourceType !== undefined) {
-    bodyParams["ResourceType"] = input.ResourceType;
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceId !== undefined && { ResourceId: input.ResourceId }),
+    ...(input.ResourceType !== undefined && {
+      ResourceType: input.ResourceType
+    })
+  };
 };
 
 const serializeAws_json1_1RemediationExceptionResourceKeys = (
@@ -11415,20 +11106,17 @@ const serializeAws_json1_1RemediationParameterValue = (
   input: RemediationParameterValue,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceValue !== undefined) {
-    bodyParams["ResourceValue"] = serializeAws_json1_1ResourceValue(
-      input.ResourceValue,
-      context
-    );
-  }
-  if (input.StaticValue !== undefined) {
-    bodyParams["StaticValue"] = serializeAws_json1_1StaticValue(
-      input.StaticValue,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceValue !== undefined && {
+      ResourceValue: serializeAws_json1_1ResourceValue(
+        input.ResourceValue,
+        context
+      )
+    }),
+    ...(input.StaticValue !== undefined && {
+      StaticValue: serializeAws_json1_1StaticValue(input.StaticValue, context)
+    })
+  };
 };
 
 const serializeAws_json1_1RemediationParameters = (
@@ -11448,37 +11136,27 @@ const serializeAws_json1_1ResourceCountFilters = (
   input: ResourceCountFilters,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AccountId !== undefined) {
-    bodyParams["AccountId"] = input.AccountId;
-  }
-  if (input.Region !== undefined) {
-    bodyParams["Region"] = input.Region;
-  }
-  if (input.ResourceType !== undefined) {
-    bodyParams["ResourceType"] = input.ResourceType;
-  }
-  return bodyParams;
+  return {
+    ...(input.AccountId !== undefined && { AccountId: input.AccountId }),
+    ...(input.Region !== undefined && { Region: input.Region }),
+    ...(input.ResourceType !== undefined && {
+      ResourceType: input.ResourceType
+    })
+  };
 };
 
 const serializeAws_json1_1ResourceFilters = (
   input: ResourceFilters,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AccountId !== undefined) {
-    bodyParams["AccountId"] = input.AccountId;
-  }
-  if (input.Region !== undefined) {
-    bodyParams["Region"] = input.Region;
-  }
-  if (input.ResourceId !== undefined) {
-    bodyParams["ResourceId"] = input.ResourceId;
-  }
-  if (input.ResourceName !== undefined) {
-    bodyParams["ResourceName"] = input.ResourceName;
-  }
-  return bodyParams;
+  return {
+    ...(input.AccountId !== undefined && { AccountId: input.AccountId }),
+    ...(input.Region !== undefined && { Region: input.Region }),
+    ...(input.ResourceId !== undefined && { ResourceId: input.ResourceId }),
+    ...(input.ResourceName !== undefined && {
+      ResourceName: input.ResourceName
+    })
+  };
 };
 
 const serializeAws_json1_1ResourceIdList = (
@@ -11501,14 +11179,12 @@ const serializeAws_json1_1ResourceKey = (
   input: ResourceKey,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.resourceId !== undefined) {
-    bodyParams["resourceId"] = input.resourceId;
-  }
-  if (input.resourceType !== undefined) {
-    bodyParams["resourceType"] = input.resourceType;
-  }
-  return bodyParams;
+  return {
+    ...(input.resourceId !== undefined && { resourceId: input.resourceId }),
+    ...(input.resourceType !== undefined && {
+      resourceType: input.resourceType
+    })
+  };
 };
 
 const serializeAws_json1_1ResourceKeys = (
@@ -11543,11 +11219,9 @@ const serializeAws_json1_1ResourceValue = (
   input: ResourceValue,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Value !== undefined) {
-    bodyParams["Value"] = input.Value;
-  }
-  return bodyParams;
+  return {
+    ...(input.Value !== undefined && { Value: input.Value })
+  };
 };
 
 const serializeAws_json1_1RetentionConfigurationNameList = (
@@ -11561,79 +11235,61 @@ const serializeAws_json1_1Scope = (
   input: Scope,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ComplianceResourceId !== undefined) {
-    bodyParams["ComplianceResourceId"] = input.ComplianceResourceId;
-  }
-  if (input.ComplianceResourceTypes !== undefined) {
-    bodyParams[
-      "ComplianceResourceTypes"
-    ] = serializeAws_json1_1ComplianceResourceTypes(
-      input.ComplianceResourceTypes,
-      context
-    );
-  }
-  if (input.TagKey !== undefined) {
-    bodyParams["TagKey"] = input.TagKey;
-  }
-  if (input.TagValue !== undefined) {
-    bodyParams["TagValue"] = input.TagValue;
-  }
-  return bodyParams;
+  return {
+    ...(input.ComplianceResourceId !== undefined && {
+      ComplianceResourceId: input.ComplianceResourceId
+    }),
+    ...(input.ComplianceResourceTypes !== undefined && {
+      ComplianceResourceTypes: serializeAws_json1_1ComplianceResourceTypes(
+        input.ComplianceResourceTypes,
+        context
+      )
+    }),
+    ...(input.TagKey !== undefined && { TagKey: input.TagKey }),
+    ...(input.TagValue !== undefined && { TagValue: input.TagValue })
+  };
 };
 
 const serializeAws_json1_1SelectResourceConfigRequest = (
   input: SelectResourceConfigRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Expression !== undefined) {
-    bodyParams["Expression"] = input.Expression;
-  }
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.Expression !== undefined && { Expression: input.Expression }),
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1Source = (
   input: Source,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Owner !== undefined) {
-    bodyParams["Owner"] = input.Owner;
-  }
-  if (input.SourceDetails !== undefined) {
-    bodyParams["SourceDetails"] = serializeAws_json1_1SourceDetails(
-      input.SourceDetails,
-      context
-    );
-  }
-  if (input.SourceIdentifier !== undefined) {
-    bodyParams["SourceIdentifier"] = input.SourceIdentifier;
-  }
-  return bodyParams;
+  return {
+    ...(input.Owner !== undefined && { Owner: input.Owner }),
+    ...(input.SourceDetails !== undefined && {
+      SourceDetails: serializeAws_json1_1SourceDetails(
+        input.SourceDetails,
+        context
+      )
+    }),
+    ...(input.SourceIdentifier !== undefined && {
+      SourceIdentifier: input.SourceIdentifier
+    })
+  };
 };
 
 const serializeAws_json1_1SourceDetail = (
   input: SourceDetail,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EventSource !== undefined) {
-    bodyParams["EventSource"] = input.EventSource;
-  }
-  if (input.MaximumExecutionFrequency !== undefined) {
-    bodyParams["MaximumExecutionFrequency"] = input.MaximumExecutionFrequency;
-  }
-  if (input.MessageType !== undefined) {
-    bodyParams["MessageType"] = input.MessageType;
-  }
-  return bodyParams;
+  return {
+    ...(input.EventSource !== undefined && { EventSource: input.EventSource }),
+    ...(input.MaximumExecutionFrequency !== undefined && {
+      MaximumExecutionFrequency: input.MaximumExecutionFrequency
+    }),
+    ...(input.MessageType !== undefined && { MessageType: input.MessageType })
+  };
 };
 
 const serializeAws_json1_1SourceDetails = (
@@ -11647,59 +11303,56 @@ const serializeAws_json1_1SsmControls = (
   input: SsmControls,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ConcurrentExecutionRatePercentage !== undefined) {
-    bodyParams["ConcurrentExecutionRatePercentage"] =
-      input.ConcurrentExecutionRatePercentage;
-  }
-  if (input.ErrorPercentage !== undefined) {
-    bodyParams["ErrorPercentage"] = input.ErrorPercentage;
-  }
-  return bodyParams;
+  return {
+    ...(input.ConcurrentExecutionRatePercentage !== undefined && {
+      ConcurrentExecutionRatePercentage: input.ConcurrentExecutionRatePercentage
+    }),
+    ...(input.ErrorPercentage !== undefined && {
+      ErrorPercentage: input.ErrorPercentage
+    })
+  };
 };
 
 const serializeAws_json1_1StartConfigRulesEvaluationRequest = (
   input: StartConfigRulesEvaluationRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ConfigRuleNames !== undefined) {
-    bodyParams[
-      "ConfigRuleNames"
-    ] = serializeAws_json1_1ReevaluateConfigRuleNames(
-      input.ConfigRuleNames,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ConfigRuleNames !== undefined && {
+      ConfigRuleNames: serializeAws_json1_1ReevaluateConfigRuleNames(
+        input.ConfigRuleNames,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1StartConfigurationRecorderRequest = (
   input: StartConfigurationRecorderRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ConfigurationRecorderName !== undefined) {
-    bodyParams["ConfigurationRecorderName"] = input.ConfigurationRecorderName;
-  }
-  return bodyParams;
+  return {
+    ...(input.ConfigurationRecorderName !== undefined && {
+      ConfigurationRecorderName: input.ConfigurationRecorderName
+    })
+  };
 };
 
 const serializeAws_json1_1StartRemediationExecutionRequest = (
   input: StartRemediationExecutionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ConfigRuleName !== undefined) {
-    bodyParams["ConfigRuleName"] = input.ConfigRuleName;
-  }
-  if (input.ResourceKeys !== undefined) {
-    bodyParams["ResourceKeys"] = serializeAws_json1_1ResourceKeys(
-      input.ResourceKeys,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ConfigRuleName !== undefined && {
+      ConfigRuleName: input.ConfigRuleName
+    }),
+    ...(input.ResourceKeys !== undefined && {
+      ResourceKeys: serializeAws_json1_1ResourceKeys(
+        input.ResourceKeys,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1StaticParameterValues = (
@@ -11713,50 +11366,41 @@ const serializeAws_json1_1StaticValue = (
   input: StaticValue,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Values !== undefined) {
-    bodyParams["Values"] = serializeAws_json1_1StaticParameterValues(
-      input.Values,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Values !== undefined && {
+      Values: serializeAws_json1_1StaticParameterValues(input.Values, context)
+    })
+  };
 };
 
 const serializeAws_json1_1StatusDetailFilters = (
   input: StatusDetailFilters,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AccountId !== undefined) {
-    bodyParams["AccountId"] = input.AccountId;
-  }
-  if (input.MemberAccountRuleStatus !== undefined) {
-    bodyParams["MemberAccountRuleStatus"] = input.MemberAccountRuleStatus;
-  }
-  return bodyParams;
+  return {
+    ...(input.AccountId !== undefined && { AccountId: input.AccountId }),
+    ...(input.MemberAccountRuleStatus !== undefined && {
+      MemberAccountRuleStatus: input.MemberAccountRuleStatus
+    })
+  };
 };
 
 const serializeAws_json1_1StopConfigurationRecorderRequest = (
   input: StopConfigurationRecorderRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ConfigurationRecorderName !== undefined) {
-    bodyParams["ConfigurationRecorderName"] = input.ConfigurationRecorderName;
-  }
-  return bodyParams;
+  return {
+    ...(input.ConfigurationRecorderName !== undefined && {
+      ConfigurationRecorderName: input.ConfigurationRecorderName
+    })
+  };
 };
 
 const serializeAws_json1_1Tag = (input: Tag, context: __SerdeContext): any => {
-  const bodyParams: any = {};
-  if (input.Key !== undefined) {
-    bodyParams["Key"] = input.Key;
-  }
-  if (input.Value !== undefined) {
-    bodyParams["Value"] = input.Value;
-  }
-  return bodyParams;
+  return {
+    ...(input.Key !== undefined && { Key: input.Key }),
+    ...(input.Value !== undefined && { Value: input.Value })
+  };
 };
 
 const serializeAws_json1_1TagKeyList = (
@@ -11777,14 +11421,12 @@ const serializeAws_json1_1TagResourceRequest = (
   input: TagResourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceArn !== undefined) {
-    bodyParams["ResourceArn"] = input.ResourceArn;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagList(input.Tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceArn !== undefined && { ResourceArn: input.ResourceArn }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagList(input.Tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1Tags = (
@@ -11808,17 +11450,12 @@ const serializeAws_json1_1UntagResourceRequest = (
   input: UntagResourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceArn !== undefined) {
-    bodyParams["ResourceArn"] = input.ResourceArn;
-  }
-  if (input.TagKeys !== undefined) {
-    bodyParams["TagKeys"] = serializeAws_json1_1TagKeyList(
-      input.TagKeys,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceArn !== undefined && { ResourceArn: input.ResourceArn }),
+    ...(input.TagKeys !== undefined && {
+      TagKeys: serializeAws_json1_1TagKeyList(input.TagKeys, context)
+    })
+  };
 };
 
 const deserializeAws_json1_1AccountAggregationSource = (
diff --git a/clients/client-connect/protocols/Aws_restJson1_1.ts b/clients/client-connect/protocols/Aws_restJson1_1.ts
index 61e0386afe40..c04e746d865d 100644
--- a/clients/client-connect/protocols/Aws_restJson1_1.ts
+++ b/clients/client-connect/protocols/Aws_restJson1_1.ts
@@ -4847,25 +4847,19 @@ const serializeAws_restJson1_1ChatMessage = (
   input: ChatMessage,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Content !== undefined) {
-    bodyParams["Content"] = input.Content;
-  }
-  if (input.ContentType !== undefined) {
-    bodyParams["ContentType"] = input.ContentType;
-  }
-  return bodyParams;
+  return {
+    ...(input.Content !== undefined && { Content: input.Content }),
+    ...(input.ContentType !== undefined && { ContentType: input.ContentType })
+  };
 };
 
 const serializeAws_restJson1_1ParticipantDetails = (
   input: ParticipantDetails,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DisplayName !== undefined) {
-    bodyParams["DisplayName"] = input.DisplayName;
-  }
-  return bodyParams;
+  return {
+    ...(input.DisplayName !== undefined && { DisplayName: input.DisplayName })
+  };
 };
 
 const serializeAws_restJson1_1Channels = (
@@ -4879,14 +4873,10 @@ const serializeAws_restJson1_1CurrentMetric = (
   input: CurrentMetric,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.Unit !== undefined) {
-    bodyParams["Unit"] = input.Unit;
-  }
-  return bodyParams;
+  return {
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.Unit !== undefined && { Unit: input.Unit })
+  };
 };
 
 const serializeAws_restJson1_1CurrentMetrics = (
@@ -4902,20 +4892,14 @@ const serializeAws_restJson1_1Filters = (
   input: Filters,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Channels !== undefined) {
-    bodyParams["Channels"] = serializeAws_restJson1_1Channels(
-      input.Channels,
-      context
-    );
-  }
-  if (input.Queues !== undefined) {
-    bodyParams["Queues"] = serializeAws_restJson1_1Queues(
-      input.Queues,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Channels !== undefined && {
+      Channels: serializeAws_restJson1_1Channels(input.Channels, context)
+    }),
+    ...(input.Queues !== undefined && {
+      Queues: serializeAws_restJson1_1Queues(input.Queues, context)
+    })
+  };
 };
 
 const serializeAws_restJson1_1Groupings = (
@@ -4929,23 +4913,14 @@ const serializeAws_restJson1_1HistoricalMetric = (
   input: HistoricalMetric,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.Statistic !== undefined) {
-    bodyParams["Statistic"] = input.Statistic;
-  }
-  if (input.Threshold !== undefined) {
-    bodyParams["Threshold"] = serializeAws_restJson1_1Threshold(
-      input.Threshold,
-      context
-    );
-  }
-  if (input.Unit !== undefined) {
-    bodyParams["Unit"] = input.Unit;
-  }
-  return bodyParams;
+  return {
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.Statistic !== undefined && { Statistic: input.Statistic }),
+    ...(input.Threshold !== undefined && {
+      Threshold: serializeAws_restJson1_1Threshold(input.Threshold, context)
+    }),
+    ...(input.Unit !== undefined && { Unit: input.Unit })
+  };
 };
 
 const serializeAws_restJson1_1HistoricalMetrics = (
@@ -4968,14 +4943,12 @@ const serializeAws_restJson1_1Threshold = (
   input: Threshold,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Comparison !== undefined) {
-    bodyParams["Comparison"] = input.Comparison;
-  }
-  if (input.ThresholdValue !== undefined) {
-    bodyParams["ThresholdValue"] = input.ThresholdValue;
-  }
-  return bodyParams;
+  return {
+    ...(input.Comparison !== undefined && { Comparison: input.Comparison }),
+    ...(input.ThresholdValue !== undefined && {
+      ThresholdValue: input.ThresholdValue
+    })
+  };
 };
 
 const serializeAws_restJson1_1SecurityProfileIds = (
@@ -4999,37 +4972,27 @@ const serializeAws_restJson1_1UserIdentityInfo = (
   input: UserIdentityInfo,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Email !== undefined) {
-    bodyParams["Email"] = input.Email;
-  }
-  if (input.FirstName !== undefined) {
-    bodyParams["FirstName"] = input.FirstName;
-  }
-  if (input.LastName !== undefined) {
-    bodyParams["LastName"] = input.LastName;
-  }
-  return bodyParams;
+  return {
+    ...(input.Email !== undefined && { Email: input.Email }),
+    ...(input.FirstName !== undefined && { FirstName: input.FirstName }),
+    ...(input.LastName !== undefined && { LastName: input.LastName })
+  };
 };
 
 const serializeAws_restJson1_1UserPhoneConfig = (
   input: UserPhoneConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AfterContactWorkTimeLimit !== undefined) {
-    bodyParams["AfterContactWorkTimeLimit"] = input.AfterContactWorkTimeLimit;
-  }
-  if (input.AutoAccept !== undefined) {
-    bodyParams["AutoAccept"] = input.AutoAccept;
-  }
-  if (input.DeskPhoneNumber !== undefined) {
-    bodyParams["DeskPhoneNumber"] = input.DeskPhoneNumber;
-  }
-  if (input.PhoneType !== undefined) {
-    bodyParams["PhoneType"] = input.PhoneType;
-  }
-  return bodyParams;
+  return {
+    ...(input.AfterContactWorkTimeLimit !== undefined && {
+      AfterContactWorkTimeLimit: input.AfterContactWorkTimeLimit
+    }),
+    ...(input.AutoAccept !== undefined && { AutoAccept: input.AutoAccept }),
+    ...(input.DeskPhoneNumber !== undefined && {
+      DeskPhoneNumber: input.DeskPhoneNumber
+    }),
+    ...(input.PhoneType !== undefined && { PhoneType: input.PhoneType })
+  };
 };
 
 const deserializeAws_restJson1_1Attributes = (
diff --git a/clients/client-connectparticipant/protocols/Aws_restJson1_1.ts b/clients/client-connectparticipant/protocols/Aws_restJson1_1.ts
index 84798ae20b61..1436b6fef6c7 100644
--- a/clients/client-connectparticipant/protocols/Aws_restJson1_1.ts
+++ b/clients/client-connectparticipant/protocols/Aws_restJson1_1.ts
@@ -802,17 +802,13 @@ const serializeAws_restJson1_1StartPosition = (
   input: StartPosition,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AbsoluteTime !== undefined) {
-    bodyParams["AbsoluteTime"] = input.AbsoluteTime;
-  }
-  if (input.Id !== undefined) {
-    bodyParams["Id"] = input.Id;
-  }
-  if (input.MostRecent !== undefined) {
-    bodyParams["MostRecent"] = input.MostRecent;
-  }
-  return bodyParams;
+  return {
+    ...(input.AbsoluteTime !== undefined && {
+      AbsoluteTime: input.AbsoluteTime
+    }),
+    ...(input.Id !== undefined && { Id: input.Id }),
+    ...(input.MostRecent !== undefined && { MostRecent: input.MostRecent })
+  };
 };
 
 const deserializeAws_restJson1_1Item = (
diff --git a/clients/client-cost-and-usage-report-service/protocols/Aws_json1_1.ts b/clients/client-cost-and-usage-report-service/protocols/Aws_json1_1.ts
index bcc9449afdbc..df9db9cd6536 100644
--- a/clients/client-cost-and-usage-report-service/protocols/Aws_json1_1.ts
+++ b/clients/client-cost-and-usage-report-service/protocols/Aws_json1_1.ts
@@ -503,107 +503,81 @@ const serializeAws_json1_1DeleteReportDefinitionRequest = (
   input: DeleteReportDefinitionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ReportName !== undefined) {
-    bodyParams["ReportName"] = input.ReportName;
-  }
-  return bodyParams;
+  return {
+    ...(input.ReportName !== undefined && { ReportName: input.ReportName })
+  };
 };
 
 const serializeAws_json1_1DescribeReportDefinitionsRequest = (
   input: DescribeReportDefinitionsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1ModifyReportDefinitionRequest = (
   input: ModifyReportDefinitionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ReportDefinition !== undefined) {
-    bodyParams["ReportDefinition"] = serializeAws_json1_1ReportDefinition(
-      input.ReportDefinition,
-      context
-    );
-  }
-  if (input.ReportName !== undefined) {
-    bodyParams["ReportName"] = input.ReportName;
-  }
-  return bodyParams;
+  return {
+    ...(input.ReportDefinition !== undefined && {
+      ReportDefinition: serializeAws_json1_1ReportDefinition(
+        input.ReportDefinition,
+        context
+      )
+    }),
+    ...(input.ReportName !== undefined && { ReportName: input.ReportName })
+  };
 };
 
 const serializeAws_json1_1PutReportDefinitionRequest = (
   input: PutReportDefinitionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ReportDefinition !== undefined) {
-    bodyParams["ReportDefinition"] = serializeAws_json1_1ReportDefinition(
-      input.ReportDefinition,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ReportDefinition !== undefined && {
+      ReportDefinition: serializeAws_json1_1ReportDefinition(
+        input.ReportDefinition,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1ReportDefinition = (
   input: ReportDefinition,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AdditionalArtifacts !== undefined) {
-    bodyParams[
-      "AdditionalArtifacts"
-    ] = serializeAws_json1_1AdditionalArtifactList(
-      input.AdditionalArtifacts,
-      context
-    );
-  }
-  if (input.AdditionalSchemaElements !== undefined) {
-    bodyParams[
-      "AdditionalSchemaElements"
-    ] = serializeAws_json1_1SchemaElementList(
-      input.AdditionalSchemaElements,
-      context
-    );
-  }
-  if (input.Compression !== undefined) {
-    bodyParams["Compression"] = input.Compression;
-  }
-  if (input.Format !== undefined) {
-    bodyParams["Format"] = input.Format;
-  }
-  if (input.RefreshClosedReports !== undefined) {
-    bodyParams["RefreshClosedReports"] = input.RefreshClosedReports;
-  }
-  if (input.ReportName !== undefined) {
-    bodyParams["ReportName"] = input.ReportName;
-  }
-  if (input.ReportVersioning !== undefined) {
-    bodyParams["ReportVersioning"] = input.ReportVersioning;
-  }
-  if (input.S3Bucket !== undefined) {
-    bodyParams["S3Bucket"] = input.S3Bucket;
-  }
-  if (input.S3Prefix !== undefined) {
-    bodyParams["S3Prefix"] = input.S3Prefix;
-  }
-  if (input.S3Region !== undefined) {
-    bodyParams["S3Region"] = input.S3Region;
-  }
-  if (input.TimeUnit !== undefined) {
-    bodyParams["TimeUnit"] = input.TimeUnit;
-  }
-  return bodyParams;
+  return {
+    ...(input.AdditionalArtifacts !== undefined && {
+      AdditionalArtifacts: serializeAws_json1_1AdditionalArtifactList(
+        input.AdditionalArtifacts,
+        context
+      )
+    }),
+    ...(input.AdditionalSchemaElements !== undefined && {
+      AdditionalSchemaElements: serializeAws_json1_1SchemaElementList(
+        input.AdditionalSchemaElements,
+        context
+      )
+    }),
+    ...(input.Compression !== undefined && { Compression: input.Compression }),
+    ...(input.Format !== undefined && { Format: input.Format }),
+    ...(input.RefreshClosedReports !== undefined && {
+      RefreshClosedReports: input.RefreshClosedReports
+    }),
+    ...(input.ReportName !== undefined && { ReportName: input.ReportName }),
+    ...(input.ReportVersioning !== undefined && {
+      ReportVersioning: input.ReportVersioning
+    }),
+    ...(input.S3Bucket !== undefined && { S3Bucket: input.S3Bucket }),
+    ...(input.S3Prefix !== undefined && { S3Prefix: input.S3Prefix }),
+    ...(input.S3Region !== undefined && { S3Region: input.S3Region }),
+    ...(input.TimeUnit !== undefined && { TimeUnit: input.TimeUnit })
+  };
 };
 
 const serializeAws_json1_1SchemaElementList = (
diff --git a/clients/client-cost-explorer/protocols/Aws_json1_1.ts b/clients/client-cost-explorer/protocols/Aws_json1_1.ts
index c15a6abc62cb..ececf232b5a6 100644
--- a/clients/client-cost-explorer/protocols/Aws_json1_1.ts
+++ b/clients/client-cost-explorer/protocols/Aws_json1_1.ts
@@ -2267,14 +2267,12 @@ const serializeAws_json1_1CostCategoryRule = (
   input: CostCategoryRule,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Rule !== undefined) {
-    bodyParams["Rule"] = serializeAws_json1_1Expression(input.Rule, context);
-  }
-  if (input.Value !== undefined) {
-    bodyParams["Value"] = input.Value;
-  }
-  return bodyParams;
+  return {
+    ...(input.Rule !== undefined && {
+      Rule: serializeAws_json1_1Expression(input.Rule, context)
+    }),
+    ...(input.Value !== undefined && { Value: input.Value })
+  };
 };
 
 const serializeAws_json1_1CostCategoryRulesList = (
@@ -2290,130 +2288,110 @@ const serializeAws_json1_1CostCategoryValues = (
   input: CostCategoryValues,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Key !== undefined) {
-    bodyParams["Key"] = input.Key;
-  }
-  if (input.Values !== undefined) {
-    bodyParams["Values"] = serializeAws_json1_1Values(input.Values, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.Key !== undefined && { Key: input.Key }),
+    ...(input.Values !== undefined && {
+      Values: serializeAws_json1_1Values(input.Values, context)
+    })
+  };
 };
 
 const serializeAws_json1_1CreateCostCategoryDefinitionRequest = (
   input: CreateCostCategoryDefinitionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.RuleVersion !== undefined) {
-    bodyParams["RuleVersion"] = input.RuleVersion;
-  }
-  if (input.Rules !== undefined) {
-    bodyParams["Rules"] = serializeAws_json1_1CostCategoryRulesList(
-      input.Rules,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.RuleVersion !== undefined && { RuleVersion: input.RuleVersion }),
+    ...(input.Rules !== undefined && {
+      Rules: serializeAws_json1_1CostCategoryRulesList(input.Rules, context)
+    })
+  };
 };
 
 const serializeAws_json1_1DateInterval = (
   input: DateInterval,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.End !== undefined) {
-    bodyParams["End"] = input.End;
-  }
-  if (input.Start !== undefined) {
-    bodyParams["Start"] = input.Start;
-  }
-  return bodyParams;
+  return {
+    ...(input.End !== undefined && { End: input.End }),
+    ...(input.Start !== undefined && { Start: input.Start })
+  };
 };
 
 const serializeAws_json1_1DeleteCostCategoryDefinitionRequest = (
   input: DeleteCostCategoryDefinitionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CostCategoryArn !== undefined) {
-    bodyParams["CostCategoryArn"] = input.CostCategoryArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.CostCategoryArn !== undefined && {
+      CostCategoryArn: input.CostCategoryArn
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeCostCategoryDefinitionRequest = (
   input: DescribeCostCategoryDefinitionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CostCategoryArn !== undefined) {
-    bodyParams["CostCategoryArn"] = input.CostCategoryArn;
-  }
-  if (input.EffectiveOn !== undefined) {
-    bodyParams["EffectiveOn"] = input.EffectiveOn;
-  }
-  return bodyParams;
+  return {
+    ...(input.CostCategoryArn !== undefined && {
+      CostCategoryArn: input.CostCategoryArn
+    }),
+    ...(input.EffectiveOn !== undefined && { EffectiveOn: input.EffectiveOn })
+  };
 };
 
 const serializeAws_json1_1DimensionValues = (
   input: DimensionValues,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Key !== undefined) {
-    bodyParams["Key"] = input.Key;
-  }
-  if (input.Values !== undefined) {
-    bodyParams["Values"] = serializeAws_json1_1Values(input.Values, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.Key !== undefined && { Key: input.Key }),
+    ...(input.Values !== undefined && {
+      Values: serializeAws_json1_1Values(input.Values, context)
+    })
+  };
 };
 
 const serializeAws_json1_1EC2Specification = (
   input: EC2Specification,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.OfferingClass !== undefined) {
-    bodyParams["OfferingClass"] = input.OfferingClass;
-  }
-  return bodyParams;
+  return {
+    ...(input.OfferingClass !== undefined && {
+      OfferingClass: input.OfferingClass
+    })
+  };
 };
 
 const serializeAws_json1_1Expression = (
   input: Expression,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.And !== undefined) {
-    bodyParams["And"] = serializeAws_json1_1Expressions(input.And, context);
-  }
-  if (input.CostCategories !== undefined) {
-    bodyParams["CostCategories"] = serializeAws_json1_1CostCategoryValues(
-      input.CostCategories,
-      context
-    );
-  }
-  if (input.Dimensions !== undefined) {
-    bodyParams["Dimensions"] = serializeAws_json1_1DimensionValues(
-      input.Dimensions,
-      context
-    );
-  }
-  if (input.Not !== undefined) {
-    bodyParams["Not"] = serializeAws_json1_1Expression(input.Not, context);
-  }
-  if (input.Or !== undefined) {
-    bodyParams["Or"] = serializeAws_json1_1Expressions(input.Or, context);
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagValues(input.Tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.And !== undefined && {
+      And: serializeAws_json1_1Expressions(input.And, context)
+    }),
+    ...(input.CostCategories !== undefined && {
+      CostCategories: serializeAws_json1_1CostCategoryValues(
+        input.CostCategories,
+        context
+      )
+    }),
+    ...(input.Dimensions !== undefined && {
+      Dimensions: serializeAws_json1_1DimensionValues(input.Dimensions, context)
+    }),
+    ...(input.Not !== undefined && {
+      Not: serializeAws_json1_1Expression(input.Not, context)
+    }),
+    ...(input.Or !== undefined && {
+      Or: serializeAws_json1_1Expressions(input.Or, context)
+    }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagValues(input.Tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1Expressions = (
@@ -2427,446 +2405,300 @@ const serializeAws_json1_1GetCostAndUsageRequest = (
   input: GetCostAndUsageRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Filter !== undefined) {
-    bodyParams["Filter"] = serializeAws_json1_1Expression(
-      input.Filter,
-      context
-    );
-  }
-  if (input.Granularity !== undefined) {
-    bodyParams["Granularity"] = input.Granularity;
-  }
-  if (input.GroupBy !== undefined) {
-    bodyParams["GroupBy"] = serializeAws_json1_1GroupDefinitions(
-      input.GroupBy,
-      context
-    );
-  }
-  if (input.Metrics !== undefined) {
-    bodyParams["Metrics"] = serializeAws_json1_1MetricNames(
-      input.Metrics,
-      context
-    );
-  }
-  if (input.NextPageToken !== undefined) {
-    bodyParams["NextPageToken"] = input.NextPageToken;
-  }
-  if (input.TimePeriod !== undefined) {
-    bodyParams["TimePeriod"] = serializeAws_json1_1DateInterval(
-      input.TimePeriod,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Filter !== undefined && {
+      Filter: serializeAws_json1_1Expression(input.Filter, context)
+    }),
+    ...(input.Granularity !== undefined && { Granularity: input.Granularity }),
+    ...(input.GroupBy !== undefined && {
+      GroupBy: serializeAws_json1_1GroupDefinitions(input.GroupBy, context)
+    }),
+    ...(input.Metrics !== undefined && {
+      Metrics: serializeAws_json1_1MetricNames(input.Metrics, context)
+    }),
+    ...(input.NextPageToken !== undefined && {
+      NextPageToken: input.NextPageToken
+    }),
+    ...(input.TimePeriod !== undefined && {
+      TimePeriod: serializeAws_json1_1DateInterval(input.TimePeriod, context)
+    })
+  };
 };
 
 const serializeAws_json1_1GetCostAndUsageWithResourcesRequest = (
   input: GetCostAndUsageWithResourcesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Filter !== undefined) {
-    bodyParams["Filter"] = serializeAws_json1_1Expression(
-      input.Filter,
-      context
-    );
-  }
-  if (input.Granularity !== undefined) {
-    bodyParams["Granularity"] = input.Granularity;
-  }
-  if (input.GroupBy !== undefined) {
-    bodyParams["GroupBy"] = serializeAws_json1_1GroupDefinitions(
-      input.GroupBy,
-      context
-    );
-  }
-  if (input.Metrics !== undefined) {
-    bodyParams["Metrics"] = serializeAws_json1_1MetricNames(
-      input.Metrics,
-      context
-    );
-  }
-  if (input.NextPageToken !== undefined) {
-    bodyParams["NextPageToken"] = input.NextPageToken;
-  }
-  if (input.TimePeriod !== undefined) {
-    bodyParams["TimePeriod"] = serializeAws_json1_1DateInterval(
-      input.TimePeriod,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Filter !== undefined && {
+      Filter: serializeAws_json1_1Expression(input.Filter, context)
+    }),
+    ...(input.Granularity !== undefined && { Granularity: input.Granularity }),
+    ...(input.GroupBy !== undefined && {
+      GroupBy: serializeAws_json1_1GroupDefinitions(input.GroupBy, context)
+    }),
+    ...(input.Metrics !== undefined && {
+      Metrics: serializeAws_json1_1MetricNames(input.Metrics, context)
+    }),
+    ...(input.NextPageToken !== undefined && {
+      NextPageToken: input.NextPageToken
+    }),
+    ...(input.TimePeriod !== undefined && {
+      TimePeriod: serializeAws_json1_1DateInterval(input.TimePeriod, context)
+    })
+  };
 };
 
 const serializeAws_json1_1GetCostForecastRequest = (
   input: GetCostForecastRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Filter !== undefined) {
-    bodyParams["Filter"] = serializeAws_json1_1Expression(
-      input.Filter,
-      context
-    );
-  }
-  if (input.Granularity !== undefined) {
-    bodyParams["Granularity"] = input.Granularity;
-  }
-  if (input.Metric !== undefined) {
-    bodyParams["Metric"] = input.Metric;
-  }
-  if (input.PredictionIntervalLevel !== undefined) {
-    bodyParams["PredictionIntervalLevel"] = input.PredictionIntervalLevel;
-  }
-  if (input.TimePeriod !== undefined) {
-    bodyParams["TimePeriod"] = serializeAws_json1_1DateInterval(
-      input.TimePeriod,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Filter !== undefined && {
+      Filter: serializeAws_json1_1Expression(input.Filter, context)
+    }),
+    ...(input.Granularity !== undefined && { Granularity: input.Granularity }),
+    ...(input.Metric !== undefined && { Metric: input.Metric }),
+    ...(input.PredictionIntervalLevel !== undefined && {
+      PredictionIntervalLevel: input.PredictionIntervalLevel
+    }),
+    ...(input.TimePeriod !== undefined && {
+      TimePeriod: serializeAws_json1_1DateInterval(input.TimePeriod, context)
+    })
+  };
 };
 
 const serializeAws_json1_1GetDimensionValuesRequest = (
   input: GetDimensionValuesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Context !== undefined) {
-    bodyParams["Context"] = input.Context;
-  }
-  if (input.Dimension !== undefined) {
-    bodyParams["Dimension"] = input.Dimension;
-  }
-  if (input.NextPageToken !== undefined) {
-    bodyParams["NextPageToken"] = input.NextPageToken;
-  }
-  if (input.SearchString !== undefined) {
-    bodyParams["SearchString"] = input.SearchString;
-  }
-  if (input.TimePeriod !== undefined) {
-    bodyParams["TimePeriod"] = serializeAws_json1_1DateInterval(
-      input.TimePeriod,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Context !== undefined && { Context: input.Context }),
+    ...(input.Dimension !== undefined && { Dimension: input.Dimension }),
+    ...(input.NextPageToken !== undefined && {
+      NextPageToken: input.NextPageToken
+    }),
+    ...(input.SearchString !== undefined && {
+      SearchString: input.SearchString
+    }),
+    ...(input.TimePeriod !== undefined && {
+      TimePeriod: serializeAws_json1_1DateInterval(input.TimePeriod, context)
+    })
+  };
 };
 
 const serializeAws_json1_1GetReservationCoverageRequest = (
   input: GetReservationCoverageRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Filter !== undefined) {
-    bodyParams["Filter"] = serializeAws_json1_1Expression(
-      input.Filter,
-      context
-    );
-  }
-  if (input.Granularity !== undefined) {
-    bodyParams["Granularity"] = input.Granularity;
-  }
-  if (input.GroupBy !== undefined) {
-    bodyParams["GroupBy"] = serializeAws_json1_1GroupDefinitions(
-      input.GroupBy,
-      context
-    );
-  }
-  if (input.Metrics !== undefined) {
-    bodyParams["Metrics"] = serializeAws_json1_1MetricNames(
-      input.Metrics,
-      context
-    );
-  }
-  if (input.NextPageToken !== undefined) {
-    bodyParams["NextPageToken"] = input.NextPageToken;
-  }
-  if (input.TimePeriod !== undefined) {
-    bodyParams["TimePeriod"] = serializeAws_json1_1DateInterval(
-      input.TimePeriod,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Filter !== undefined && {
+      Filter: serializeAws_json1_1Expression(input.Filter, context)
+    }),
+    ...(input.Granularity !== undefined && { Granularity: input.Granularity }),
+    ...(input.GroupBy !== undefined && {
+      GroupBy: serializeAws_json1_1GroupDefinitions(input.GroupBy, context)
+    }),
+    ...(input.Metrics !== undefined && {
+      Metrics: serializeAws_json1_1MetricNames(input.Metrics, context)
+    }),
+    ...(input.NextPageToken !== undefined && {
+      NextPageToken: input.NextPageToken
+    }),
+    ...(input.TimePeriod !== undefined && {
+      TimePeriod: serializeAws_json1_1DateInterval(input.TimePeriod, context)
+    })
+  };
 };
 
 const serializeAws_json1_1GetReservationPurchaseRecommendationRequest = (
   input: GetReservationPurchaseRecommendationRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AccountId !== undefined) {
-    bodyParams["AccountId"] = input.AccountId;
-  }
-  if (input.AccountScope !== undefined) {
-    bodyParams["AccountScope"] = input.AccountScope;
-  }
-  if (input.LookbackPeriodInDays !== undefined) {
-    bodyParams["LookbackPeriodInDays"] = input.LookbackPeriodInDays;
-  }
-  if (input.NextPageToken !== undefined) {
-    bodyParams["NextPageToken"] = input.NextPageToken;
-  }
-  if (input.PageSize !== undefined) {
-    bodyParams["PageSize"] = input.PageSize;
-  }
-  if (input.PaymentOption !== undefined) {
-    bodyParams["PaymentOption"] = input.PaymentOption;
-  }
-  if (input.Service !== undefined) {
-    bodyParams["Service"] = input.Service;
-  }
-  if (input.ServiceSpecification !== undefined) {
-    bodyParams[
-      "ServiceSpecification"
-    ] = serializeAws_json1_1ServiceSpecification(
-      input.ServiceSpecification,
-      context
-    );
-  }
-  if (input.TermInYears !== undefined) {
-    bodyParams["TermInYears"] = input.TermInYears;
-  }
-  return bodyParams;
+  return {
+    ...(input.AccountId !== undefined && { AccountId: input.AccountId }),
+    ...(input.AccountScope !== undefined && {
+      AccountScope: input.AccountScope
+    }),
+    ...(input.LookbackPeriodInDays !== undefined && {
+      LookbackPeriodInDays: input.LookbackPeriodInDays
+    }),
+    ...(input.NextPageToken !== undefined && {
+      NextPageToken: input.NextPageToken
+    }),
+    ...(input.PageSize !== undefined && { PageSize: input.PageSize }),
+    ...(input.PaymentOption !== undefined && {
+      PaymentOption: input.PaymentOption
+    }),
+    ...(input.Service !== undefined && { Service: input.Service }),
+    ...(input.ServiceSpecification !== undefined && {
+      ServiceSpecification: serializeAws_json1_1ServiceSpecification(
+        input.ServiceSpecification,
+        context
+      )
+    }),
+    ...(input.TermInYears !== undefined && { TermInYears: input.TermInYears })
+  };
 };
 
 const serializeAws_json1_1GetReservationUtilizationRequest = (
   input: GetReservationUtilizationRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Filter !== undefined) {
-    bodyParams["Filter"] = serializeAws_json1_1Expression(
-      input.Filter,
-      context
-    );
-  }
-  if (input.Granularity !== undefined) {
-    bodyParams["Granularity"] = input.Granularity;
-  }
-  if (input.GroupBy !== undefined) {
-    bodyParams["GroupBy"] = serializeAws_json1_1GroupDefinitions(
-      input.GroupBy,
-      context
-    );
-  }
-  if (input.NextPageToken !== undefined) {
-    bodyParams["NextPageToken"] = input.NextPageToken;
-  }
-  if (input.TimePeriod !== undefined) {
-    bodyParams["TimePeriod"] = serializeAws_json1_1DateInterval(
-      input.TimePeriod,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Filter !== undefined && {
+      Filter: serializeAws_json1_1Expression(input.Filter, context)
+    }),
+    ...(input.Granularity !== undefined && { Granularity: input.Granularity }),
+    ...(input.GroupBy !== undefined && {
+      GroupBy: serializeAws_json1_1GroupDefinitions(input.GroupBy, context)
+    }),
+    ...(input.NextPageToken !== undefined && {
+      NextPageToken: input.NextPageToken
+    }),
+    ...(input.TimePeriod !== undefined && {
+      TimePeriod: serializeAws_json1_1DateInterval(input.TimePeriod, context)
+    })
+  };
 };
 
 const serializeAws_json1_1GetRightsizingRecommendationRequest = (
   input: GetRightsizingRecommendationRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Filter !== undefined) {
-    bodyParams["Filter"] = serializeAws_json1_1Expression(
-      input.Filter,
-      context
-    );
-  }
-  if (input.NextPageToken !== undefined) {
-    bodyParams["NextPageToken"] = input.NextPageToken;
-  }
-  if (input.PageSize !== undefined) {
-    bodyParams["PageSize"] = input.PageSize;
-  }
-  if (input.Service !== undefined) {
-    bodyParams["Service"] = input.Service;
-  }
-  return bodyParams;
+  return {
+    ...(input.Filter !== undefined && {
+      Filter: serializeAws_json1_1Expression(input.Filter, context)
+    }),
+    ...(input.NextPageToken !== undefined && {
+      NextPageToken: input.NextPageToken
+    }),
+    ...(input.PageSize !== undefined && { PageSize: input.PageSize }),
+    ...(input.Service !== undefined && { Service: input.Service })
+  };
 };
 
 const serializeAws_json1_1GetSavingsPlansCoverageRequest = (
   input: GetSavingsPlansCoverageRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Filter !== undefined) {
-    bodyParams["Filter"] = serializeAws_json1_1Expression(
-      input.Filter,
-      context
-    );
-  }
-  if (input.Granularity !== undefined) {
-    bodyParams["Granularity"] = input.Granularity;
-  }
-  if (input.GroupBy !== undefined) {
-    bodyParams["GroupBy"] = serializeAws_json1_1GroupDefinitions(
-      input.GroupBy,
-      context
-    );
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.Metrics !== undefined) {
-    bodyParams["Metrics"] = serializeAws_json1_1MetricNames(
-      input.Metrics,
-      context
-    );
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.TimePeriod !== undefined) {
-    bodyParams["TimePeriod"] = serializeAws_json1_1DateInterval(
-      input.TimePeriod,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Filter !== undefined && {
+      Filter: serializeAws_json1_1Expression(input.Filter, context)
+    }),
+    ...(input.Granularity !== undefined && { Granularity: input.Granularity }),
+    ...(input.GroupBy !== undefined && {
+      GroupBy: serializeAws_json1_1GroupDefinitions(input.GroupBy, context)
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.Metrics !== undefined && {
+      Metrics: serializeAws_json1_1MetricNames(input.Metrics, context)
+    }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.TimePeriod !== undefined && {
+      TimePeriod: serializeAws_json1_1DateInterval(input.TimePeriod, context)
+    })
+  };
 };
 
 const serializeAws_json1_1GetSavingsPlansPurchaseRecommendationRequest = (
   input: GetSavingsPlansPurchaseRecommendationRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.LookbackPeriodInDays !== undefined) {
-    bodyParams["LookbackPeriodInDays"] = input.LookbackPeriodInDays;
-  }
-  if (input.NextPageToken !== undefined) {
-    bodyParams["NextPageToken"] = input.NextPageToken;
-  }
-  if (input.PageSize !== undefined) {
-    bodyParams["PageSize"] = input.PageSize;
-  }
-  if (input.PaymentOption !== undefined) {
-    bodyParams["PaymentOption"] = input.PaymentOption;
-  }
-  if (input.SavingsPlansType !== undefined) {
-    bodyParams["SavingsPlansType"] = input.SavingsPlansType;
-  }
-  if (input.TermInYears !== undefined) {
-    bodyParams["TermInYears"] = input.TermInYears;
-  }
-  return bodyParams;
+  return {
+    ...(input.LookbackPeriodInDays !== undefined && {
+      LookbackPeriodInDays: input.LookbackPeriodInDays
+    }),
+    ...(input.NextPageToken !== undefined && {
+      NextPageToken: input.NextPageToken
+    }),
+    ...(input.PageSize !== undefined && { PageSize: input.PageSize }),
+    ...(input.PaymentOption !== undefined && {
+      PaymentOption: input.PaymentOption
+    }),
+    ...(input.SavingsPlansType !== undefined && {
+      SavingsPlansType: input.SavingsPlansType
+    }),
+    ...(input.TermInYears !== undefined && { TermInYears: input.TermInYears })
+  };
 };
 
 const serializeAws_json1_1GetSavingsPlansUtilizationDetailsRequest = (
   input: GetSavingsPlansUtilizationDetailsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Filter !== undefined) {
-    bodyParams["Filter"] = serializeAws_json1_1Expression(
-      input.Filter,
-      context
-    );
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.TimePeriod !== undefined) {
-    bodyParams["TimePeriod"] = serializeAws_json1_1DateInterval(
-      input.TimePeriod,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Filter !== undefined && {
+      Filter: serializeAws_json1_1Expression(input.Filter, context)
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.TimePeriod !== undefined && {
+      TimePeriod: serializeAws_json1_1DateInterval(input.TimePeriod, context)
+    })
+  };
 };
 
 const serializeAws_json1_1GetSavingsPlansUtilizationRequest = (
   input: GetSavingsPlansUtilizationRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Filter !== undefined) {
-    bodyParams["Filter"] = serializeAws_json1_1Expression(
-      input.Filter,
-      context
-    );
-  }
-  if (input.Granularity !== undefined) {
-    bodyParams["Granularity"] = input.Granularity;
-  }
-  if (input.TimePeriod !== undefined) {
-    bodyParams["TimePeriod"] = serializeAws_json1_1DateInterval(
-      input.TimePeriod,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Filter !== undefined && {
+      Filter: serializeAws_json1_1Expression(input.Filter, context)
+    }),
+    ...(input.Granularity !== undefined && { Granularity: input.Granularity }),
+    ...(input.TimePeriod !== undefined && {
+      TimePeriod: serializeAws_json1_1DateInterval(input.TimePeriod, context)
+    })
+  };
 };
 
 const serializeAws_json1_1GetTagsRequest = (
   input: GetTagsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.NextPageToken !== undefined) {
-    bodyParams["NextPageToken"] = input.NextPageToken;
-  }
-  if (input.SearchString !== undefined) {
-    bodyParams["SearchString"] = input.SearchString;
-  }
-  if (input.TagKey !== undefined) {
-    bodyParams["TagKey"] = input.TagKey;
-  }
-  if (input.TimePeriod !== undefined) {
-    bodyParams["TimePeriod"] = serializeAws_json1_1DateInterval(
-      input.TimePeriod,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.NextPageToken !== undefined && {
+      NextPageToken: input.NextPageToken
+    }),
+    ...(input.SearchString !== undefined && {
+      SearchString: input.SearchString
+    }),
+    ...(input.TagKey !== undefined && { TagKey: input.TagKey }),
+    ...(input.TimePeriod !== undefined && {
+      TimePeriod: serializeAws_json1_1DateInterval(input.TimePeriod, context)
+    })
+  };
 };
 
 const serializeAws_json1_1GetUsageForecastRequest = (
   input: GetUsageForecastRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Filter !== undefined) {
-    bodyParams["Filter"] = serializeAws_json1_1Expression(
-      input.Filter,
-      context
-    );
-  }
-  if (input.Granularity !== undefined) {
-    bodyParams["Granularity"] = input.Granularity;
-  }
-  if (input.Metric !== undefined) {
-    bodyParams["Metric"] = input.Metric;
-  }
-  if (input.PredictionIntervalLevel !== undefined) {
-    bodyParams["PredictionIntervalLevel"] = input.PredictionIntervalLevel;
-  }
-  if (input.TimePeriod !== undefined) {
-    bodyParams["TimePeriod"] = serializeAws_json1_1DateInterval(
-      input.TimePeriod,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Filter !== undefined && {
+      Filter: serializeAws_json1_1Expression(input.Filter, context)
+    }),
+    ...(input.Granularity !== undefined && { Granularity: input.Granularity }),
+    ...(input.Metric !== undefined && { Metric: input.Metric }),
+    ...(input.PredictionIntervalLevel !== undefined && {
+      PredictionIntervalLevel: input.PredictionIntervalLevel
+    }),
+    ...(input.TimePeriod !== undefined && {
+      TimePeriod: serializeAws_json1_1DateInterval(input.TimePeriod, context)
+    })
+  };
 };
 
 const serializeAws_json1_1GroupDefinition = (
   input: GroupDefinition,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Key !== undefined) {
-    bodyParams["Key"] = input.Key;
-  }
-  if (input.Type !== undefined) {
-    bodyParams["Type"] = input.Type;
-  }
-  return bodyParams;
+  return {
+    ...(input.Key !== undefined && { Key: input.Key }),
+    ...(input.Type !== undefined && { Type: input.Type })
+  };
 };
 
 const serializeAws_json1_1GroupDefinitions = (
@@ -2882,14 +2714,10 @@ const serializeAws_json1_1ListCostCategoryDefinitionsRequest = (
   input: ListCostCategoryDefinitionsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EffectiveOn !== undefined) {
-    bodyParams["EffectiveOn"] = input.EffectiveOn;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.EffectiveOn !== undefined && { EffectiveOn: input.EffectiveOn }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1MetricNames = (
@@ -2903,48 +2731,41 @@ const serializeAws_json1_1ServiceSpecification = (
   input: ServiceSpecification,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EC2Specification !== undefined) {
-    bodyParams["EC2Specification"] = serializeAws_json1_1EC2Specification(
-      input.EC2Specification,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.EC2Specification !== undefined && {
+      EC2Specification: serializeAws_json1_1EC2Specification(
+        input.EC2Specification,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1TagValues = (
   input: TagValues,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Key !== undefined) {
-    bodyParams["Key"] = input.Key;
-  }
-  if (input.Values !== undefined) {
-    bodyParams["Values"] = serializeAws_json1_1Values(input.Values, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.Key !== undefined && { Key: input.Key }),
+    ...(input.Values !== undefined && {
+      Values: serializeAws_json1_1Values(input.Values, context)
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateCostCategoryDefinitionRequest = (
   input: UpdateCostCategoryDefinitionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CostCategoryArn !== undefined) {
-    bodyParams["CostCategoryArn"] = input.CostCategoryArn;
-  }
-  if (input.RuleVersion !== undefined) {
-    bodyParams["RuleVersion"] = input.RuleVersion;
-  }
-  if (input.Rules !== undefined) {
-    bodyParams["Rules"] = serializeAws_json1_1CostCategoryRulesList(
-      input.Rules,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.CostCategoryArn !== undefined && {
+      CostCategoryArn: input.CostCategoryArn
+    }),
+    ...(input.RuleVersion !== undefined && { RuleVersion: input.RuleVersion }),
+    ...(input.Rules !== undefined && {
+      Rules: serializeAws_json1_1CostCategoryRulesList(input.Rules, context)
+    })
+  };
 };
 
 const serializeAws_json1_1Values = (
diff --git a/clients/client-data-pipeline/protocols/Aws_json1_1.ts b/clients/client-data-pipeline/protocols/Aws_json1_1.ts
index def79dd81056..08d4e5565a29 100644
--- a/clients/client-data-pipeline/protocols/Aws_json1_1.ts
+++ b/clients/client-data-pipeline/protocols/Aws_json1_1.ts
@@ -2241,222 +2241,165 @@ const serializeAws_json1_1ActivatePipelineInput = (
   input: ActivatePipelineInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.parameterValues !== undefined) {
-    bodyParams["parameterValues"] = serializeAws_json1_1ParameterValueList(
-      input.parameterValues,
-      context
-    );
-  }
-  if (input.pipelineId !== undefined) {
-    bodyParams["pipelineId"] = input.pipelineId;
-  }
-  if (input.startTimestamp !== undefined) {
-    bodyParams["startTimestamp"] = Math.round(
-      input.startTimestamp.getTime() / 1000
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.parameterValues !== undefined && {
+      parameterValues: serializeAws_json1_1ParameterValueList(
+        input.parameterValues,
+        context
+      )
+    }),
+    ...(input.pipelineId !== undefined && { pipelineId: input.pipelineId }),
+    ...(input.startTimestamp !== undefined && {
+      startTimestamp: Math.round(input.startTimestamp.getTime() / 1000)
+    })
+  };
 };
 
 const serializeAws_json1_1AddTagsInput = (
   input: AddTagsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.pipelineId !== undefined) {
-    bodyParams["pipelineId"] = input.pipelineId;
-  }
-  if (input.tags !== undefined) {
-    bodyParams["tags"] = serializeAws_json1_1tagList(input.tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.pipelineId !== undefined && { pipelineId: input.pipelineId }),
+    ...(input.tags !== undefined && {
+      tags: serializeAws_json1_1tagList(input.tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1CreatePipelineInput = (
   input: CreatePipelineInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.description !== undefined) {
-    bodyParams["description"] = input.description;
-  }
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  if (input.tags !== undefined) {
-    bodyParams["tags"] = serializeAws_json1_1tagList(input.tags, context);
-  }
-  if (input.uniqueId !== undefined) {
-    bodyParams["uniqueId"] = input.uniqueId;
-  }
-  return bodyParams;
+  return {
+    ...(input.description !== undefined && { description: input.description }),
+    ...(input.name !== undefined && { name: input.name }),
+    ...(input.tags !== undefined && {
+      tags: serializeAws_json1_1tagList(input.tags, context)
+    }),
+    ...(input.uniqueId !== undefined && { uniqueId: input.uniqueId })
+  };
 };
 
 const serializeAws_json1_1DeactivatePipelineInput = (
   input: DeactivatePipelineInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.cancelActive !== undefined) {
-    bodyParams["cancelActive"] = input.cancelActive;
-  }
-  if (input.pipelineId !== undefined) {
-    bodyParams["pipelineId"] = input.pipelineId;
-  }
-  return bodyParams;
+  return {
+    ...(input.cancelActive !== undefined && {
+      cancelActive: input.cancelActive
+    }),
+    ...(input.pipelineId !== undefined && { pipelineId: input.pipelineId })
+  };
 };
 
 const serializeAws_json1_1DeletePipelineInput = (
   input: DeletePipelineInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.pipelineId !== undefined) {
-    bodyParams["pipelineId"] = input.pipelineId;
-  }
-  return bodyParams;
+  return {
+    ...(input.pipelineId !== undefined && { pipelineId: input.pipelineId })
+  };
 };
 
 const serializeAws_json1_1DescribeObjectsInput = (
   input: DescribeObjectsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.evaluateExpressions !== undefined) {
-    bodyParams["evaluateExpressions"] = input.evaluateExpressions;
-  }
-  if (input.marker !== undefined) {
-    bodyParams["marker"] = input.marker;
-  }
-  if (input.objectIds !== undefined) {
-    bodyParams["objectIds"] = serializeAws_json1_1idList(
-      input.objectIds,
-      context
-    );
-  }
-  if (input.pipelineId !== undefined) {
-    bodyParams["pipelineId"] = input.pipelineId;
-  }
-  return bodyParams;
+  return {
+    ...(input.evaluateExpressions !== undefined && {
+      evaluateExpressions: input.evaluateExpressions
+    }),
+    ...(input.marker !== undefined && { marker: input.marker }),
+    ...(input.objectIds !== undefined && {
+      objectIds: serializeAws_json1_1idList(input.objectIds, context)
+    }),
+    ...(input.pipelineId !== undefined && { pipelineId: input.pipelineId })
+  };
 };
 
 const serializeAws_json1_1DescribePipelinesInput = (
   input: DescribePipelinesInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.pipelineIds !== undefined) {
-    bodyParams["pipelineIds"] = serializeAws_json1_1idList(
-      input.pipelineIds,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.pipelineIds !== undefined && {
+      pipelineIds: serializeAws_json1_1idList(input.pipelineIds, context)
+    })
+  };
 };
 
 const serializeAws_json1_1EvaluateExpressionInput = (
   input: EvaluateExpressionInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.expression !== undefined) {
-    bodyParams["expression"] = input.expression;
-  }
-  if (input.objectId !== undefined) {
-    bodyParams["objectId"] = input.objectId;
-  }
-  if (input.pipelineId !== undefined) {
-    bodyParams["pipelineId"] = input.pipelineId;
-  }
-  return bodyParams;
+  return {
+    ...(input.expression !== undefined && { expression: input.expression }),
+    ...(input.objectId !== undefined && { objectId: input.objectId }),
+    ...(input.pipelineId !== undefined && { pipelineId: input.pipelineId })
+  };
 };
 
 const serializeAws_json1_1Field = (
   input: Field,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.key !== undefined) {
-    bodyParams["key"] = input.key;
-  }
-  if (input.refValue !== undefined) {
-    bodyParams["refValue"] = input.refValue;
-  }
-  if (input.stringValue !== undefined) {
-    bodyParams["stringValue"] = input.stringValue;
-  }
-  return bodyParams;
+  return {
+    ...(input.key !== undefined && { key: input.key }),
+    ...(input.refValue !== undefined && { refValue: input.refValue }),
+    ...(input.stringValue !== undefined && { stringValue: input.stringValue })
+  };
 };
 
 const serializeAws_json1_1GetPipelineDefinitionInput = (
   input: GetPipelineDefinitionInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.pipelineId !== undefined) {
-    bodyParams["pipelineId"] = input.pipelineId;
-  }
-  if (input.version !== undefined) {
-    bodyParams["version"] = input.version;
-  }
-  return bodyParams;
+  return {
+    ...(input.pipelineId !== undefined && { pipelineId: input.pipelineId }),
+    ...(input.version !== undefined && { version: input.version })
+  };
 };
 
 const serializeAws_json1_1InstanceIdentity = (
   input: InstanceIdentity,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.document !== undefined) {
-    bodyParams["document"] = input.document;
-  }
-  if (input.signature !== undefined) {
-    bodyParams["signature"] = input.signature;
-  }
-  return bodyParams;
+  return {
+    ...(input.document !== undefined && { document: input.document }),
+    ...(input.signature !== undefined && { signature: input.signature })
+  };
 };
 
 const serializeAws_json1_1ListPipelinesInput = (
   input: ListPipelinesInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.marker !== undefined) {
-    bodyParams["marker"] = input.marker;
-  }
-  return bodyParams;
+  return {
+    ...(input.marker !== undefined && { marker: input.marker })
+  };
 };
 
 const serializeAws_json1_1Operator = (
   input: Operator,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.type !== undefined) {
-    bodyParams["type"] = input.type;
-  }
-  if (input.values !== undefined) {
-    bodyParams["values"] = serializeAws_json1_1stringList(
-      input.values,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.type !== undefined && { type: input.type }),
+    ...(input.values !== undefined && {
+      values: serializeAws_json1_1stringList(input.values, context)
+    })
+  };
 };
 
 const serializeAws_json1_1ParameterAttribute = (
   input: ParameterAttribute,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.key !== undefined) {
-    bodyParams["key"] = input.key;
-  }
-  if (input.stringValue !== undefined) {
-    bodyParams["stringValue"] = input.stringValue;
-  }
-  return bodyParams;
+  return {
+    ...(input.key !== undefined && { key: input.key }),
+    ...(input.stringValue !== undefined && { stringValue: input.stringValue })
+  };
 };
 
 const serializeAws_json1_1ParameterAttributeList = (
@@ -2472,17 +2415,15 @@ const serializeAws_json1_1ParameterObject = (
   input: ParameterObject,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.attributes !== undefined) {
-    bodyParams["attributes"] = serializeAws_json1_1ParameterAttributeList(
-      input.attributes,
-      context
-    );
-  }
-  if (input.id !== undefined) {
-    bodyParams["id"] = input.id;
-  }
-  return bodyParams;
+  return {
+    ...(input.attributes !== undefined && {
+      attributes: serializeAws_json1_1ParameterAttributeList(
+        input.attributes,
+        context
+      )
+    }),
+    ...(input.id !== undefined && { id: input.id })
+  };
 };
 
 const serializeAws_json1_1ParameterObjectList = (
@@ -2498,14 +2439,10 @@ const serializeAws_json1_1ParameterValue = (
   input: ParameterValue,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.id !== undefined) {
-    bodyParams["id"] = input.id;
-  }
-  if (input.stringValue !== undefined) {
-    bodyParams["stringValue"] = input.stringValue;
-  }
-  return bodyParams;
+  return {
+    ...(input.id !== undefined && { id: input.id }),
+    ...(input.stringValue !== undefined && { stringValue: input.stringValue })
+  };
 };
 
 const serializeAws_json1_1ParameterValueList = (
@@ -2519,17 +2456,13 @@ const serializeAws_json1_1PipelineObject = (
   input: PipelineObject,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.fields !== undefined) {
-    bodyParams["fields"] = serializeAws_json1_1fieldList(input.fields, context);
-  }
-  if (input.id !== undefined) {
-    bodyParams["id"] = input.id;
-  }
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  return bodyParams;
+  return {
+    ...(input.fields !== undefined && {
+      fields: serializeAws_json1_1fieldList(input.fields, context)
+    }),
+    ...(input.id !== undefined && { id: input.id }),
+    ...(input.name !== undefined && { name: input.name })
+  };
 };
 
 const serializeAws_json1_1PipelineObjectList = (
@@ -2543,151 +2476,118 @@ const serializeAws_json1_1PollForTaskInput = (
   input: PollForTaskInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.hostname !== undefined) {
-    bodyParams["hostname"] = input.hostname;
-  }
-  if (input.instanceIdentity !== undefined) {
-    bodyParams["instanceIdentity"] = serializeAws_json1_1InstanceIdentity(
-      input.instanceIdentity,
-      context
-    );
-  }
-  if (input.workerGroup !== undefined) {
-    bodyParams["workerGroup"] = input.workerGroup;
-  }
-  return bodyParams;
+  return {
+    ...(input.hostname !== undefined && { hostname: input.hostname }),
+    ...(input.instanceIdentity !== undefined && {
+      instanceIdentity: serializeAws_json1_1InstanceIdentity(
+        input.instanceIdentity,
+        context
+      )
+    }),
+    ...(input.workerGroup !== undefined && { workerGroup: input.workerGroup })
+  };
 };
 
 const serializeAws_json1_1PutPipelineDefinitionInput = (
   input: PutPipelineDefinitionInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.parameterObjects !== undefined) {
-    bodyParams["parameterObjects"] = serializeAws_json1_1ParameterObjectList(
-      input.parameterObjects,
-      context
-    );
-  }
-  if (input.parameterValues !== undefined) {
-    bodyParams["parameterValues"] = serializeAws_json1_1ParameterValueList(
-      input.parameterValues,
-      context
-    );
-  }
-  if (input.pipelineId !== undefined) {
-    bodyParams["pipelineId"] = input.pipelineId;
-  }
-  if (input.pipelineObjects !== undefined) {
-    bodyParams["pipelineObjects"] = serializeAws_json1_1PipelineObjectList(
-      input.pipelineObjects,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.parameterObjects !== undefined && {
+      parameterObjects: serializeAws_json1_1ParameterObjectList(
+        input.parameterObjects,
+        context
+      )
+    }),
+    ...(input.parameterValues !== undefined && {
+      parameterValues: serializeAws_json1_1ParameterValueList(
+        input.parameterValues,
+        context
+      )
+    }),
+    ...(input.pipelineId !== undefined && { pipelineId: input.pipelineId }),
+    ...(input.pipelineObjects !== undefined && {
+      pipelineObjects: serializeAws_json1_1PipelineObjectList(
+        input.pipelineObjects,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1Query = (
   input: Query,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.selectors !== undefined) {
-    bodyParams["selectors"] = serializeAws_json1_1SelectorList(
-      input.selectors,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.selectors !== undefined && {
+      selectors: serializeAws_json1_1SelectorList(input.selectors, context)
+    })
+  };
 };
 
 const serializeAws_json1_1QueryObjectsInput = (
   input: QueryObjectsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.limit !== undefined) {
-    bodyParams["limit"] = input.limit;
-  }
-  if (input.marker !== undefined) {
-    bodyParams["marker"] = input.marker;
-  }
-  if (input.pipelineId !== undefined) {
-    bodyParams["pipelineId"] = input.pipelineId;
-  }
-  if (input.query !== undefined) {
-    bodyParams["query"] = serializeAws_json1_1Query(input.query, context);
-  }
-  if (input.sphere !== undefined) {
-    bodyParams["sphere"] = input.sphere;
-  }
-  return bodyParams;
+  return {
+    ...(input.limit !== undefined && { limit: input.limit }),
+    ...(input.marker !== undefined && { marker: input.marker }),
+    ...(input.pipelineId !== undefined && { pipelineId: input.pipelineId }),
+    ...(input.query !== undefined && {
+      query: serializeAws_json1_1Query(input.query, context)
+    }),
+    ...(input.sphere !== undefined && { sphere: input.sphere })
+  };
 };
 
 const serializeAws_json1_1RemoveTagsInput = (
   input: RemoveTagsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.pipelineId !== undefined) {
-    bodyParams["pipelineId"] = input.pipelineId;
-  }
-  if (input.tagKeys !== undefined) {
-    bodyParams["tagKeys"] = serializeAws_json1_1stringList(
-      input.tagKeys,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.pipelineId !== undefined && { pipelineId: input.pipelineId }),
+    ...(input.tagKeys !== undefined && {
+      tagKeys: serializeAws_json1_1stringList(input.tagKeys, context)
+    })
+  };
 };
 
 const serializeAws_json1_1ReportTaskProgressInput = (
   input: ReportTaskProgressInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.fields !== undefined) {
-    bodyParams["fields"] = serializeAws_json1_1fieldList(input.fields, context);
-  }
-  if (input.taskId !== undefined) {
-    bodyParams["taskId"] = input.taskId;
-  }
-  return bodyParams;
+  return {
+    ...(input.fields !== undefined && {
+      fields: serializeAws_json1_1fieldList(input.fields, context)
+    }),
+    ...(input.taskId !== undefined && { taskId: input.taskId })
+  };
 };
 
 const serializeAws_json1_1ReportTaskRunnerHeartbeatInput = (
   input: ReportTaskRunnerHeartbeatInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.hostname !== undefined) {
-    bodyParams["hostname"] = input.hostname;
-  }
-  if (input.taskrunnerId !== undefined) {
-    bodyParams["taskrunnerId"] = input.taskrunnerId;
-  }
-  if (input.workerGroup !== undefined) {
-    bodyParams["workerGroup"] = input.workerGroup;
-  }
-  return bodyParams;
+  return {
+    ...(input.hostname !== undefined && { hostname: input.hostname }),
+    ...(input.taskrunnerId !== undefined && {
+      taskrunnerId: input.taskrunnerId
+    }),
+    ...(input.workerGroup !== undefined && { workerGroup: input.workerGroup })
+  };
 };
 
 const serializeAws_json1_1Selector = (
   input: Selector,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.fieldName !== undefined) {
-    bodyParams["fieldName"] = input.fieldName;
-  }
-  if (input.operator !== undefined) {
-    bodyParams["operator"] = serializeAws_json1_1Operator(
-      input.operator,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.fieldName !== undefined && { fieldName: input.fieldName }),
+    ...(input.operator !== undefined && {
+      operator: serializeAws_json1_1Operator(input.operator, context)
+    })
+  };
 };
 
 const serializeAws_json1_1SelectorList = (
@@ -2701,83 +2601,64 @@ const serializeAws_json1_1SetStatusInput = (
   input: SetStatusInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.objectIds !== undefined) {
-    bodyParams["objectIds"] = serializeAws_json1_1idList(
-      input.objectIds,
-      context
-    );
-  }
-  if (input.pipelineId !== undefined) {
-    bodyParams["pipelineId"] = input.pipelineId;
-  }
-  if (input.status !== undefined) {
-    bodyParams["status"] = input.status;
-  }
-  return bodyParams;
+  return {
+    ...(input.objectIds !== undefined && {
+      objectIds: serializeAws_json1_1idList(input.objectIds, context)
+    }),
+    ...(input.pipelineId !== undefined && { pipelineId: input.pipelineId }),
+    ...(input.status !== undefined && { status: input.status })
+  };
 };
 
 const serializeAws_json1_1SetTaskStatusInput = (
   input: SetTaskStatusInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.errorId !== undefined) {
-    bodyParams["errorId"] = input.errorId;
-  }
-  if (input.errorMessage !== undefined) {
-    bodyParams["errorMessage"] = input.errorMessage;
-  }
-  if (input.errorStackTrace !== undefined) {
-    bodyParams["errorStackTrace"] = input.errorStackTrace;
-  }
-  if (input.taskId !== undefined) {
-    bodyParams["taskId"] = input.taskId;
-  }
-  if (input.taskStatus !== undefined) {
-    bodyParams["taskStatus"] = input.taskStatus;
-  }
-  return bodyParams;
+  return {
+    ...(input.errorId !== undefined && { errorId: input.errorId }),
+    ...(input.errorMessage !== undefined && {
+      errorMessage: input.errorMessage
+    }),
+    ...(input.errorStackTrace !== undefined && {
+      errorStackTrace: input.errorStackTrace
+    }),
+    ...(input.taskId !== undefined && { taskId: input.taskId }),
+    ...(input.taskStatus !== undefined && { taskStatus: input.taskStatus })
+  };
 };
 
 const serializeAws_json1_1Tag = (input: Tag, context: __SerdeContext): any => {
-  const bodyParams: any = {};
-  if (input.key !== undefined) {
-    bodyParams["key"] = input.key;
-  }
-  if (input.value !== undefined) {
-    bodyParams["value"] = input.value;
-  }
-  return bodyParams;
+  return {
+    ...(input.key !== undefined && { key: input.key }),
+    ...(input.value !== undefined && { value: input.value })
+  };
 };
 
 const serializeAws_json1_1ValidatePipelineDefinitionInput = (
   input: ValidatePipelineDefinitionInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.parameterObjects !== undefined) {
-    bodyParams["parameterObjects"] = serializeAws_json1_1ParameterObjectList(
-      input.parameterObjects,
-      context
-    );
-  }
-  if (input.parameterValues !== undefined) {
-    bodyParams["parameterValues"] = serializeAws_json1_1ParameterValueList(
-      input.parameterValues,
-      context
-    );
-  }
-  if (input.pipelineId !== undefined) {
-    bodyParams["pipelineId"] = input.pipelineId;
-  }
-  if (input.pipelineObjects !== undefined) {
-    bodyParams["pipelineObjects"] = serializeAws_json1_1PipelineObjectList(
-      input.pipelineObjects,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.parameterObjects !== undefined && {
+      parameterObjects: serializeAws_json1_1ParameterObjectList(
+        input.parameterObjects,
+        context
+      )
+    }),
+    ...(input.parameterValues !== undefined && {
+      parameterValues: serializeAws_json1_1ParameterValueList(
+        input.parameterValues,
+        context
+      )
+    }),
+    ...(input.pipelineId !== undefined && { pipelineId: input.pipelineId }),
+    ...(input.pipelineObjects !== undefined && {
+      pipelineObjects: serializeAws_json1_1PipelineObjectList(
+        input.pipelineObjects,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1fieldList = (
diff --git a/clients/client-database-migration-service/protocols/Aws_json1_1.ts b/clients/client-database-migration-service/protocols/Aws_json1_1.ts
index 6abcea1912e7..560d75d894a2 100644
--- a/clients/client-database-migration-service/protocols/Aws_json1_1.ts
+++ b/clients/client-database-migration-service/protocols/Aws_json1_1.ts
@@ -5301,768 +5301,606 @@ const serializeAws_json1_1AddTagsToResourceMessage = (
   input: AddTagsToResourceMessage,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceArn !== undefined) {
-    bodyParams["ResourceArn"] = input.ResourceArn;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagList(input.Tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceArn !== undefined && { ResourceArn: input.ResourceArn }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagList(input.Tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1ApplyPendingMaintenanceActionMessage = (
   input: ApplyPendingMaintenanceActionMessage,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ApplyAction !== undefined) {
-    bodyParams["ApplyAction"] = input.ApplyAction;
-  }
-  if (input.OptInType !== undefined) {
-    bodyParams["OptInType"] = input.OptInType;
-  }
-  if (input.ReplicationInstanceArn !== undefined) {
-    bodyParams["ReplicationInstanceArn"] = input.ReplicationInstanceArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.ApplyAction !== undefined && { ApplyAction: input.ApplyAction }),
+    ...(input.OptInType !== undefined && { OptInType: input.OptInType }),
+    ...(input.ReplicationInstanceArn !== undefined && {
+      ReplicationInstanceArn: input.ReplicationInstanceArn
+    })
+  };
 };
 
 const serializeAws_json1_1CreateEndpointMessage = (
   input: CreateEndpointMessage,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CertificateArn !== undefined) {
-    bodyParams["CertificateArn"] = input.CertificateArn;
-  }
-  if (input.DatabaseName !== undefined) {
-    bodyParams["DatabaseName"] = input.DatabaseName;
-  }
-  if (input.DmsTransferSettings !== undefined) {
-    bodyParams["DmsTransferSettings"] = serializeAws_json1_1DmsTransferSettings(
-      input.DmsTransferSettings,
-      context
-    );
-  }
-  if (input.DynamoDbSettings !== undefined) {
-    bodyParams["DynamoDbSettings"] = serializeAws_json1_1DynamoDbSettings(
-      input.DynamoDbSettings,
-      context
-    );
-  }
-  if (input.ElasticsearchSettings !== undefined) {
-    bodyParams[
-      "ElasticsearchSettings"
-    ] = serializeAws_json1_1ElasticsearchSettings(
-      input.ElasticsearchSettings,
-      context
-    );
-  }
-  if (input.EndpointIdentifier !== undefined) {
-    bodyParams["EndpointIdentifier"] = input.EndpointIdentifier;
-  }
-  if (input.EndpointType !== undefined) {
-    bodyParams["EndpointType"] = input.EndpointType;
-  }
-  if (input.EngineName !== undefined) {
-    bodyParams["EngineName"] = input.EngineName;
-  }
-  if (input.ExternalTableDefinition !== undefined) {
-    bodyParams["ExternalTableDefinition"] = input.ExternalTableDefinition;
-  }
-  if (input.ExtraConnectionAttributes !== undefined) {
-    bodyParams["ExtraConnectionAttributes"] = input.ExtraConnectionAttributes;
-  }
-  if (input.KinesisSettings !== undefined) {
-    bodyParams["KinesisSettings"] = serializeAws_json1_1KinesisSettings(
-      input.KinesisSettings,
-      context
-    );
-  }
-  if (input.KmsKeyId !== undefined) {
-    bodyParams["KmsKeyId"] = input.KmsKeyId;
-  }
-  if (input.MongoDbSettings !== undefined) {
-    bodyParams["MongoDbSettings"] = serializeAws_json1_1MongoDbSettings(
-      input.MongoDbSettings,
-      context
-    );
-  }
-  if (input.Password !== undefined) {
-    bodyParams["Password"] = input.Password;
-  }
-  if (input.Port !== undefined) {
-    bodyParams["Port"] = input.Port;
-  }
-  if (input.RedshiftSettings !== undefined) {
-    bodyParams["RedshiftSettings"] = serializeAws_json1_1RedshiftSettings(
-      input.RedshiftSettings,
-      context
-    );
-  }
-  if (input.S3Settings !== undefined) {
-    bodyParams["S3Settings"] = serializeAws_json1_1S3Settings(
-      input.S3Settings,
-      context
-    );
-  }
-  if (input.ServerName !== undefined) {
-    bodyParams["ServerName"] = input.ServerName;
-  }
-  if (input.ServiceAccessRoleArn !== undefined) {
-    bodyParams["ServiceAccessRoleArn"] = input.ServiceAccessRoleArn;
-  }
-  if (input.SslMode !== undefined) {
-    bodyParams["SslMode"] = input.SslMode;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagList(input.Tags, context);
-  }
-  if (input.Username !== undefined) {
-    bodyParams["Username"] = input.Username;
-  }
-  return bodyParams;
+  return {
+    ...(input.CertificateArn !== undefined && {
+      CertificateArn: input.CertificateArn
+    }),
+    ...(input.DatabaseName !== undefined && {
+      DatabaseName: input.DatabaseName
+    }),
+    ...(input.DmsTransferSettings !== undefined && {
+      DmsTransferSettings: serializeAws_json1_1DmsTransferSettings(
+        input.DmsTransferSettings,
+        context
+      )
+    }),
+    ...(input.DynamoDbSettings !== undefined && {
+      DynamoDbSettings: serializeAws_json1_1DynamoDbSettings(
+        input.DynamoDbSettings,
+        context
+      )
+    }),
+    ...(input.ElasticsearchSettings !== undefined && {
+      ElasticsearchSettings: serializeAws_json1_1ElasticsearchSettings(
+        input.ElasticsearchSettings,
+        context
+      )
+    }),
+    ...(input.EndpointIdentifier !== undefined && {
+      EndpointIdentifier: input.EndpointIdentifier
+    }),
+    ...(input.EndpointType !== undefined && {
+      EndpointType: input.EndpointType
+    }),
+    ...(input.EngineName !== undefined && { EngineName: input.EngineName }),
+    ...(input.ExternalTableDefinition !== undefined && {
+      ExternalTableDefinition: input.ExternalTableDefinition
+    }),
+    ...(input.ExtraConnectionAttributes !== undefined && {
+      ExtraConnectionAttributes: input.ExtraConnectionAttributes
+    }),
+    ...(input.KinesisSettings !== undefined && {
+      KinesisSettings: serializeAws_json1_1KinesisSettings(
+        input.KinesisSettings,
+        context
+      )
+    }),
+    ...(input.KmsKeyId !== undefined && { KmsKeyId: input.KmsKeyId }),
+    ...(input.MongoDbSettings !== undefined && {
+      MongoDbSettings: serializeAws_json1_1MongoDbSettings(
+        input.MongoDbSettings,
+        context
+      )
+    }),
+    ...(input.Password !== undefined && { Password: input.Password }),
+    ...(input.Port !== undefined && { Port: input.Port }),
+    ...(input.RedshiftSettings !== undefined && {
+      RedshiftSettings: serializeAws_json1_1RedshiftSettings(
+        input.RedshiftSettings,
+        context
+      )
+    }),
+    ...(input.S3Settings !== undefined && {
+      S3Settings: serializeAws_json1_1S3Settings(input.S3Settings, context)
+    }),
+    ...(input.ServerName !== undefined && { ServerName: input.ServerName }),
+    ...(input.ServiceAccessRoleArn !== undefined && {
+      ServiceAccessRoleArn: input.ServiceAccessRoleArn
+    }),
+    ...(input.SslMode !== undefined && { SslMode: input.SslMode }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagList(input.Tags, context)
+    }),
+    ...(input.Username !== undefined && { Username: input.Username })
+  };
 };
 
 const serializeAws_json1_1CreateEventSubscriptionMessage = (
   input: CreateEventSubscriptionMessage,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Enabled !== undefined) {
-    bodyParams["Enabled"] = input.Enabled;
-  }
-  if (input.EventCategories !== undefined) {
-    bodyParams["EventCategories"] = serializeAws_json1_1EventCategoriesList(
-      input.EventCategories,
-      context
-    );
-  }
-  if (input.SnsTopicArn !== undefined) {
-    bodyParams["SnsTopicArn"] = input.SnsTopicArn;
-  }
-  if (input.SourceIds !== undefined) {
-    bodyParams["SourceIds"] = serializeAws_json1_1SourceIdsList(
-      input.SourceIds,
-      context
-    );
-  }
-  if (input.SourceType !== undefined) {
-    bodyParams["SourceType"] = input.SourceType;
-  }
-  if (input.SubscriptionName !== undefined) {
-    bodyParams["SubscriptionName"] = input.SubscriptionName;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagList(input.Tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.Enabled !== undefined && { Enabled: input.Enabled }),
+    ...(input.EventCategories !== undefined && {
+      EventCategories: serializeAws_json1_1EventCategoriesList(
+        input.EventCategories,
+        context
+      )
+    }),
+    ...(input.SnsTopicArn !== undefined && { SnsTopicArn: input.SnsTopicArn }),
+    ...(input.SourceIds !== undefined && {
+      SourceIds: serializeAws_json1_1SourceIdsList(input.SourceIds, context)
+    }),
+    ...(input.SourceType !== undefined && { SourceType: input.SourceType }),
+    ...(input.SubscriptionName !== undefined && {
+      SubscriptionName: input.SubscriptionName
+    }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagList(input.Tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1CreateReplicationInstanceMessage = (
   input: CreateReplicationInstanceMessage,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AllocatedStorage !== undefined) {
-    bodyParams["AllocatedStorage"] = input.AllocatedStorage;
-  }
-  if (input.AutoMinorVersionUpgrade !== undefined) {
-    bodyParams["AutoMinorVersionUpgrade"] = input.AutoMinorVersionUpgrade;
-  }
-  if (input.AvailabilityZone !== undefined) {
-    bodyParams["AvailabilityZone"] = input.AvailabilityZone;
-  }
-  if (input.DnsNameServers !== undefined) {
-    bodyParams["DnsNameServers"] = input.DnsNameServers;
-  }
-  if (input.EngineVersion !== undefined) {
-    bodyParams["EngineVersion"] = input.EngineVersion;
-  }
-  if (input.KmsKeyId !== undefined) {
-    bodyParams["KmsKeyId"] = input.KmsKeyId;
-  }
-  if (input.MultiAZ !== undefined) {
-    bodyParams["MultiAZ"] = input.MultiAZ;
-  }
-  if (input.PreferredMaintenanceWindow !== undefined) {
-    bodyParams["PreferredMaintenanceWindow"] = input.PreferredMaintenanceWindow;
-  }
-  if (input.PubliclyAccessible !== undefined) {
-    bodyParams["PubliclyAccessible"] = input.PubliclyAccessible;
-  }
-  if (input.ReplicationInstanceClass !== undefined) {
-    bodyParams["ReplicationInstanceClass"] = input.ReplicationInstanceClass;
-  }
-  if (input.ReplicationInstanceIdentifier !== undefined) {
-    bodyParams["ReplicationInstanceIdentifier"] =
-      input.ReplicationInstanceIdentifier;
-  }
-  if (input.ReplicationSubnetGroupIdentifier !== undefined) {
-    bodyParams["ReplicationSubnetGroupIdentifier"] =
-      input.ReplicationSubnetGroupIdentifier;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagList(input.Tags, context);
-  }
-  if (input.VpcSecurityGroupIds !== undefined) {
-    bodyParams[
-      "VpcSecurityGroupIds"
-    ] = serializeAws_json1_1VpcSecurityGroupIdList(
-      input.VpcSecurityGroupIds,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.AllocatedStorage !== undefined && {
+      AllocatedStorage: input.AllocatedStorage
+    }),
+    ...(input.AutoMinorVersionUpgrade !== undefined && {
+      AutoMinorVersionUpgrade: input.AutoMinorVersionUpgrade
+    }),
+    ...(input.AvailabilityZone !== undefined && {
+      AvailabilityZone: input.AvailabilityZone
+    }),
+    ...(input.DnsNameServers !== undefined && {
+      DnsNameServers: input.DnsNameServers
+    }),
+    ...(input.EngineVersion !== undefined && {
+      EngineVersion: input.EngineVersion
+    }),
+    ...(input.KmsKeyId !== undefined && { KmsKeyId: input.KmsKeyId }),
+    ...(input.MultiAZ !== undefined && { MultiAZ: input.MultiAZ }),
+    ...(input.PreferredMaintenanceWindow !== undefined && {
+      PreferredMaintenanceWindow: input.PreferredMaintenanceWindow
+    }),
+    ...(input.PubliclyAccessible !== undefined && {
+      PubliclyAccessible: input.PubliclyAccessible
+    }),
+    ...(input.ReplicationInstanceClass !== undefined && {
+      ReplicationInstanceClass: input.ReplicationInstanceClass
+    }),
+    ...(input.ReplicationInstanceIdentifier !== undefined && {
+      ReplicationInstanceIdentifier: input.ReplicationInstanceIdentifier
+    }),
+    ...(input.ReplicationSubnetGroupIdentifier !== undefined && {
+      ReplicationSubnetGroupIdentifier: input.ReplicationSubnetGroupIdentifier
+    }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagList(input.Tags, context)
+    }),
+    ...(input.VpcSecurityGroupIds !== undefined && {
+      VpcSecurityGroupIds: serializeAws_json1_1VpcSecurityGroupIdList(
+        input.VpcSecurityGroupIds,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1CreateReplicationSubnetGroupMessage = (
   input: CreateReplicationSubnetGroupMessage,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ReplicationSubnetGroupDescription !== undefined) {
-    bodyParams["ReplicationSubnetGroupDescription"] =
-      input.ReplicationSubnetGroupDescription;
-  }
-  if (input.ReplicationSubnetGroupIdentifier !== undefined) {
-    bodyParams["ReplicationSubnetGroupIdentifier"] =
-      input.ReplicationSubnetGroupIdentifier;
-  }
-  if (input.SubnetIds !== undefined) {
-    bodyParams["SubnetIds"] = serializeAws_json1_1SubnetIdentifierList(
-      input.SubnetIds,
-      context
-    );
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagList(input.Tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.ReplicationSubnetGroupDescription !== undefined && {
+      ReplicationSubnetGroupDescription: input.ReplicationSubnetGroupDescription
+    }),
+    ...(input.ReplicationSubnetGroupIdentifier !== undefined && {
+      ReplicationSubnetGroupIdentifier: input.ReplicationSubnetGroupIdentifier
+    }),
+    ...(input.SubnetIds !== undefined && {
+      SubnetIds: serializeAws_json1_1SubnetIdentifierList(
+        input.SubnetIds,
+        context
+      )
+    }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagList(input.Tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1CreateReplicationTaskMessage = (
   input: CreateReplicationTaskMessage,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CdcStartPosition !== undefined) {
-    bodyParams["CdcStartPosition"] = input.CdcStartPosition;
-  }
-  if (input.CdcStartTime !== undefined) {
-    bodyParams["CdcStartTime"] = Math.round(
-      input.CdcStartTime.getTime() / 1000
-    );
-  }
-  if (input.CdcStopPosition !== undefined) {
-    bodyParams["CdcStopPosition"] = input.CdcStopPosition;
-  }
-  if (input.MigrationType !== undefined) {
-    bodyParams["MigrationType"] = input.MigrationType;
-  }
-  if (input.ReplicationInstanceArn !== undefined) {
-    bodyParams["ReplicationInstanceArn"] = input.ReplicationInstanceArn;
-  }
-  if (input.ReplicationTaskIdentifier !== undefined) {
-    bodyParams["ReplicationTaskIdentifier"] = input.ReplicationTaskIdentifier;
-  }
-  if (input.ReplicationTaskSettings !== undefined) {
-    bodyParams["ReplicationTaskSettings"] = input.ReplicationTaskSettings;
-  }
-  if (input.SourceEndpointArn !== undefined) {
-    bodyParams["SourceEndpointArn"] = input.SourceEndpointArn;
-  }
-  if (input.TableMappings !== undefined) {
-    bodyParams["TableMappings"] = input.TableMappings;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagList(input.Tags, context);
-  }
-  if (input.TargetEndpointArn !== undefined) {
-    bodyParams["TargetEndpointArn"] = input.TargetEndpointArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.CdcStartPosition !== undefined && {
+      CdcStartPosition: input.CdcStartPosition
+    }),
+    ...(input.CdcStartTime !== undefined && {
+      CdcStartTime: Math.round(input.CdcStartTime.getTime() / 1000)
+    }),
+    ...(input.CdcStopPosition !== undefined && {
+      CdcStopPosition: input.CdcStopPosition
+    }),
+    ...(input.MigrationType !== undefined && {
+      MigrationType: input.MigrationType
+    }),
+    ...(input.ReplicationInstanceArn !== undefined && {
+      ReplicationInstanceArn: input.ReplicationInstanceArn
+    }),
+    ...(input.ReplicationTaskIdentifier !== undefined && {
+      ReplicationTaskIdentifier: input.ReplicationTaskIdentifier
+    }),
+    ...(input.ReplicationTaskSettings !== undefined && {
+      ReplicationTaskSettings: input.ReplicationTaskSettings
+    }),
+    ...(input.SourceEndpointArn !== undefined && {
+      SourceEndpointArn: input.SourceEndpointArn
+    }),
+    ...(input.TableMappings !== undefined && {
+      TableMappings: input.TableMappings
+    }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagList(input.Tags, context)
+    }),
+    ...(input.TargetEndpointArn !== undefined && {
+      TargetEndpointArn: input.TargetEndpointArn
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteCertificateMessage = (
   input: DeleteCertificateMessage,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CertificateArn !== undefined) {
-    bodyParams["CertificateArn"] = input.CertificateArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.CertificateArn !== undefined && {
+      CertificateArn: input.CertificateArn
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteConnectionMessage = (
   input: DeleteConnectionMessage,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EndpointArn !== undefined) {
-    bodyParams["EndpointArn"] = input.EndpointArn;
-  }
-  if (input.ReplicationInstanceArn !== undefined) {
-    bodyParams["ReplicationInstanceArn"] = input.ReplicationInstanceArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.EndpointArn !== undefined && { EndpointArn: input.EndpointArn }),
+    ...(input.ReplicationInstanceArn !== undefined && {
+      ReplicationInstanceArn: input.ReplicationInstanceArn
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteEndpointMessage = (
   input: DeleteEndpointMessage,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EndpointArn !== undefined) {
-    bodyParams["EndpointArn"] = input.EndpointArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.EndpointArn !== undefined && { EndpointArn: input.EndpointArn })
+  };
 };
 
 const serializeAws_json1_1DeleteEventSubscriptionMessage = (
   input: DeleteEventSubscriptionMessage,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.SubscriptionName !== undefined) {
-    bodyParams["SubscriptionName"] = input.SubscriptionName;
-  }
-  return bodyParams;
+  return {
+    ...(input.SubscriptionName !== undefined && {
+      SubscriptionName: input.SubscriptionName
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteReplicationInstanceMessage = (
   input: DeleteReplicationInstanceMessage,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ReplicationInstanceArn !== undefined) {
-    bodyParams["ReplicationInstanceArn"] = input.ReplicationInstanceArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.ReplicationInstanceArn !== undefined && {
+      ReplicationInstanceArn: input.ReplicationInstanceArn
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteReplicationSubnetGroupMessage = (
   input: DeleteReplicationSubnetGroupMessage,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ReplicationSubnetGroupIdentifier !== undefined) {
-    bodyParams["ReplicationSubnetGroupIdentifier"] =
-      input.ReplicationSubnetGroupIdentifier;
-  }
-  return bodyParams;
+  return {
+    ...(input.ReplicationSubnetGroupIdentifier !== undefined && {
+      ReplicationSubnetGroupIdentifier: input.ReplicationSubnetGroupIdentifier
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteReplicationTaskMessage = (
   input: DeleteReplicationTaskMessage,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ReplicationTaskArn !== undefined) {
-    bodyParams["ReplicationTaskArn"] = input.ReplicationTaskArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.ReplicationTaskArn !== undefined && {
+      ReplicationTaskArn: input.ReplicationTaskArn
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeAccountAttributesMessage = (
   input: DescribeAccountAttributesMessage,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  return bodyParams;
+  return {};
 };
 
 const serializeAws_json1_1DescribeCertificatesMessage = (
   input: DescribeCertificatesMessage,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Filters !== undefined) {
-    bodyParams["Filters"] = serializeAws_json1_1FilterList(
-      input.Filters,
-      context
-    );
-  }
-  if (input.Marker !== undefined) {
-    bodyParams["Marker"] = input.Marker;
-  }
-  if (input.MaxRecords !== undefined) {
-    bodyParams["MaxRecords"] = input.MaxRecords;
-  }
-  return bodyParams;
+  return {
+    ...(input.Filters !== undefined && {
+      Filters: serializeAws_json1_1FilterList(input.Filters, context)
+    }),
+    ...(input.Marker !== undefined && { Marker: input.Marker }),
+    ...(input.MaxRecords !== undefined && { MaxRecords: input.MaxRecords })
+  };
 };
 
 const serializeAws_json1_1DescribeConnectionsMessage = (
   input: DescribeConnectionsMessage,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Filters !== undefined) {
-    bodyParams["Filters"] = serializeAws_json1_1FilterList(
-      input.Filters,
-      context
-    );
-  }
-  if (input.Marker !== undefined) {
-    bodyParams["Marker"] = input.Marker;
-  }
-  if (input.MaxRecords !== undefined) {
-    bodyParams["MaxRecords"] = input.MaxRecords;
-  }
-  return bodyParams;
+  return {
+    ...(input.Filters !== undefined && {
+      Filters: serializeAws_json1_1FilterList(input.Filters, context)
+    }),
+    ...(input.Marker !== undefined && { Marker: input.Marker }),
+    ...(input.MaxRecords !== undefined && { MaxRecords: input.MaxRecords })
+  };
 };
 
 const serializeAws_json1_1DescribeEndpointTypesMessage = (
   input: DescribeEndpointTypesMessage,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Filters !== undefined) {
-    bodyParams["Filters"] = serializeAws_json1_1FilterList(
-      input.Filters,
-      context
-    );
-  }
-  if (input.Marker !== undefined) {
-    bodyParams["Marker"] = input.Marker;
-  }
-  if (input.MaxRecords !== undefined) {
-    bodyParams["MaxRecords"] = input.MaxRecords;
-  }
-  return bodyParams;
+  return {
+    ...(input.Filters !== undefined && {
+      Filters: serializeAws_json1_1FilterList(input.Filters, context)
+    }),
+    ...(input.Marker !== undefined && { Marker: input.Marker }),
+    ...(input.MaxRecords !== undefined && { MaxRecords: input.MaxRecords })
+  };
 };
 
 const serializeAws_json1_1DescribeEndpointsMessage = (
   input: DescribeEndpointsMessage,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Filters !== undefined) {
-    bodyParams["Filters"] = serializeAws_json1_1FilterList(
-      input.Filters,
-      context
-    );
-  }
-  if (input.Marker !== undefined) {
-    bodyParams["Marker"] = input.Marker;
-  }
-  if (input.MaxRecords !== undefined) {
-    bodyParams["MaxRecords"] = input.MaxRecords;
-  }
-  return bodyParams;
+  return {
+    ...(input.Filters !== undefined && {
+      Filters: serializeAws_json1_1FilterList(input.Filters, context)
+    }),
+    ...(input.Marker !== undefined && { Marker: input.Marker }),
+    ...(input.MaxRecords !== undefined && { MaxRecords: input.MaxRecords })
+  };
 };
 
 const serializeAws_json1_1DescribeEventCategoriesMessage = (
   input: DescribeEventCategoriesMessage,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Filters !== undefined) {
-    bodyParams["Filters"] = serializeAws_json1_1FilterList(
-      input.Filters,
-      context
-    );
-  }
-  if (input.SourceType !== undefined) {
-    bodyParams["SourceType"] = input.SourceType;
-  }
-  return bodyParams;
+  return {
+    ...(input.Filters !== undefined && {
+      Filters: serializeAws_json1_1FilterList(input.Filters, context)
+    }),
+    ...(input.SourceType !== undefined && { SourceType: input.SourceType })
+  };
 };
 
 const serializeAws_json1_1DescribeEventSubscriptionsMessage = (
   input: DescribeEventSubscriptionsMessage,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Filters !== undefined) {
-    bodyParams["Filters"] = serializeAws_json1_1FilterList(
-      input.Filters,
-      context
-    );
-  }
-  if (input.Marker !== undefined) {
-    bodyParams["Marker"] = input.Marker;
-  }
-  if (input.MaxRecords !== undefined) {
-    bodyParams["MaxRecords"] = input.MaxRecords;
-  }
-  if (input.SubscriptionName !== undefined) {
-    bodyParams["SubscriptionName"] = input.SubscriptionName;
-  }
-  return bodyParams;
+  return {
+    ...(input.Filters !== undefined && {
+      Filters: serializeAws_json1_1FilterList(input.Filters, context)
+    }),
+    ...(input.Marker !== undefined && { Marker: input.Marker }),
+    ...(input.MaxRecords !== undefined && { MaxRecords: input.MaxRecords }),
+    ...(input.SubscriptionName !== undefined && {
+      SubscriptionName: input.SubscriptionName
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeEventsMessage = (
   input: DescribeEventsMessage,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Duration !== undefined) {
-    bodyParams["Duration"] = input.Duration;
-  }
-  if (input.EndTime !== undefined) {
-    bodyParams["EndTime"] = Math.round(input.EndTime.getTime() / 1000);
-  }
-  if (input.EventCategories !== undefined) {
-    bodyParams["EventCategories"] = serializeAws_json1_1EventCategoriesList(
-      input.EventCategories,
-      context
-    );
-  }
-  if (input.Filters !== undefined) {
-    bodyParams["Filters"] = serializeAws_json1_1FilterList(
-      input.Filters,
-      context
-    );
-  }
-  if (input.Marker !== undefined) {
-    bodyParams["Marker"] = input.Marker;
-  }
-  if (input.MaxRecords !== undefined) {
-    bodyParams["MaxRecords"] = input.MaxRecords;
-  }
-  if (input.SourceIdentifier !== undefined) {
-    bodyParams["SourceIdentifier"] = input.SourceIdentifier;
-  }
-  if (input.SourceType !== undefined) {
-    bodyParams["SourceType"] = input.SourceType;
-  }
-  if (input.StartTime !== undefined) {
-    bodyParams["StartTime"] = Math.round(input.StartTime.getTime() / 1000);
-  }
-  return bodyParams;
+  return {
+    ...(input.Duration !== undefined && { Duration: input.Duration }),
+    ...(input.EndTime !== undefined && {
+      EndTime: Math.round(input.EndTime.getTime() / 1000)
+    }),
+    ...(input.EventCategories !== undefined && {
+      EventCategories: serializeAws_json1_1EventCategoriesList(
+        input.EventCategories,
+        context
+      )
+    }),
+    ...(input.Filters !== undefined && {
+      Filters: serializeAws_json1_1FilterList(input.Filters, context)
+    }),
+    ...(input.Marker !== undefined && { Marker: input.Marker }),
+    ...(input.MaxRecords !== undefined && { MaxRecords: input.MaxRecords }),
+    ...(input.SourceIdentifier !== undefined && {
+      SourceIdentifier: input.SourceIdentifier
+    }),
+    ...(input.SourceType !== undefined && { SourceType: input.SourceType }),
+    ...(input.StartTime !== undefined && {
+      StartTime: Math.round(input.StartTime.getTime() / 1000)
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeOrderableReplicationInstancesMessage = (
   input: DescribeOrderableReplicationInstancesMessage,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Marker !== undefined) {
-    bodyParams["Marker"] = input.Marker;
-  }
-  if (input.MaxRecords !== undefined) {
-    bodyParams["MaxRecords"] = input.MaxRecords;
-  }
-  return bodyParams;
+  return {
+    ...(input.Marker !== undefined && { Marker: input.Marker }),
+    ...(input.MaxRecords !== undefined && { MaxRecords: input.MaxRecords })
+  };
 };
 
 const serializeAws_json1_1DescribePendingMaintenanceActionsMessage = (
   input: DescribePendingMaintenanceActionsMessage,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Filters !== undefined) {
-    bodyParams["Filters"] = serializeAws_json1_1FilterList(
-      input.Filters,
-      context
-    );
-  }
-  if (input.Marker !== undefined) {
-    bodyParams["Marker"] = input.Marker;
-  }
-  if (input.MaxRecords !== undefined) {
-    bodyParams["MaxRecords"] = input.MaxRecords;
-  }
-  if (input.ReplicationInstanceArn !== undefined) {
-    bodyParams["ReplicationInstanceArn"] = input.ReplicationInstanceArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.Filters !== undefined && {
+      Filters: serializeAws_json1_1FilterList(input.Filters, context)
+    }),
+    ...(input.Marker !== undefined && { Marker: input.Marker }),
+    ...(input.MaxRecords !== undefined && { MaxRecords: input.MaxRecords }),
+    ...(input.ReplicationInstanceArn !== undefined && {
+      ReplicationInstanceArn: input.ReplicationInstanceArn
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeRefreshSchemasStatusMessage = (
   input: DescribeRefreshSchemasStatusMessage,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EndpointArn !== undefined) {
-    bodyParams["EndpointArn"] = input.EndpointArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.EndpointArn !== undefined && { EndpointArn: input.EndpointArn })
+  };
 };
 
 const serializeAws_json1_1DescribeReplicationInstanceTaskLogsMessage = (
   input: DescribeReplicationInstanceTaskLogsMessage,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Marker !== undefined) {
-    bodyParams["Marker"] = input.Marker;
-  }
-  if (input.MaxRecords !== undefined) {
-    bodyParams["MaxRecords"] = input.MaxRecords;
-  }
-  if (input.ReplicationInstanceArn !== undefined) {
-    bodyParams["ReplicationInstanceArn"] = input.ReplicationInstanceArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.Marker !== undefined && { Marker: input.Marker }),
+    ...(input.MaxRecords !== undefined && { MaxRecords: input.MaxRecords }),
+    ...(input.ReplicationInstanceArn !== undefined && {
+      ReplicationInstanceArn: input.ReplicationInstanceArn
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeReplicationInstancesMessage = (
   input: DescribeReplicationInstancesMessage,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Filters !== undefined) {
-    bodyParams["Filters"] = serializeAws_json1_1FilterList(
-      input.Filters,
-      context
-    );
-  }
-  if (input.Marker !== undefined) {
-    bodyParams["Marker"] = input.Marker;
-  }
-  if (input.MaxRecords !== undefined) {
-    bodyParams["MaxRecords"] = input.MaxRecords;
-  }
-  return bodyParams;
+  return {
+    ...(input.Filters !== undefined && {
+      Filters: serializeAws_json1_1FilterList(input.Filters, context)
+    }),
+    ...(input.Marker !== undefined && { Marker: input.Marker }),
+    ...(input.MaxRecords !== undefined && { MaxRecords: input.MaxRecords })
+  };
 };
 
 const serializeAws_json1_1DescribeReplicationSubnetGroupsMessage = (
   input: DescribeReplicationSubnetGroupsMessage,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Filters !== undefined) {
-    bodyParams["Filters"] = serializeAws_json1_1FilterList(
-      input.Filters,
-      context
-    );
-  }
-  if (input.Marker !== undefined) {
-    bodyParams["Marker"] = input.Marker;
-  }
-  if (input.MaxRecords !== undefined) {
-    bodyParams["MaxRecords"] = input.MaxRecords;
-  }
-  return bodyParams;
+  return {
+    ...(input.Filters !== undefined && {
+      Filters: serializeAws_json1_1FilterList(input.Filters, context)
+    }),
+    ...(input.Marker !== undefined && { Marker: input.Marker }),
+    ...(input.MaxRecords !== undefined && { MaxRecords: input.MaxRecords })
+  };
 };
 
 const serializeAws_json1_1DescribeReplicationTaskAssessmentResultsMessage = (
   input: DescribeReplicationTaskAssessmentResultsMessage,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Marker !== undefined) {
-    bodyParams["Marker"] = input.Marker;
-  }
-  if (input.MaxRecords !== undefined) {
-    bodyParams["MaxRecords"] = input.MaxRecords;
-  }
-  if (input.ReplicationTaskArn !== undefined) {
-    bodyParams["ReplicationTaskArn"] = input.ReplicationTaskArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.Marker !== undefined && { Marker: input.Marker }),
+    ...(input.MaxRecords !== undefined && { MaxRecords: input.MaxRecords }),
+    ...(input.ReplicationTaskArn !== undefined && {
+      ReplicationTaskArn: input.ReplicationTaskArn
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeReplicationTasksMessage = (
   input: DescribeReplicationTasksMessage,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Filters !== undefined) {
-    bodyParams["Filters"] = serializeAws_json1_1FilterList(
-      input.Filters,
-      context
-    );
-  }
-  if (input.Marker !== undefined) {
-    bodyParams["Marker"] = input.Marker;
-  }
-  if (input.MaxRecords !== undefined) {
-    bodyParams["MaxRecords"] = input.MaxRecords;
-  }
-  if (input.WithoutSettings !== undefined) {
-    bodyParams["WithoutSettings"] = input.WithoutSettings;
-  }
-  return bodyParams;
+  return {
+    ...(input.Filters !== undefined && {
+      Filters: serializeAws_json1_1FilterList(input.Filters, context)
+    }),
+    ...(input.Marker !== undefined && { Marker: input.Marker }),
+    ...(input.MaxRecords !== undefined && { MaxRecords: input.MaxRecords }),
+    ...(input.WithoutSettings !== undefined && {
+      WithoutSettings: input.WithoutSettings
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeSchemasMessage = (
   input: DescribeSchemasMessage,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EndpointArn !== undefined) {
-    bodyParams["EndpointArn"] = input.EndpointArn;
-  }
-  if (input.Marker !== undefined) {
-    bodyParams["Marker"] = input.Marker;
-  }
-  if (input.MaxRecords !== undefined) {
-    bodyParams["MaxRecords"] = input.MaxRecords;
-  }
-  return bodyParams;
+  return {
+    ...(input.EndpointArn !== undefined && { EndpointArn: input.EndpointArn }),
+    ...(input.Marker !== undefined && { Marker: input.Marker }),
+    ...(input.MaxRecords !== undefined && { MaxRecords: input.MaxRecords })
+  };
 };
 
 const serializeAws_json1_1DescribeTableStatisticsMessage = (
   input: DescribeTableStatisticsMessage,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Filters !== undefined) {
-    bodyParams["Filters"] = serializeAws_json1_1FilterList(
-      input.Filters,
-      context
-    );
-  }
-  if (input.Marker !== undefined) {
-    bodyParams["Marker"] = input.Marker;
-  }
-  if (input.MaxRecords !== undefined) {
-    bodyParams["MaxRecords"] = input.MaxRecords;
-  }
-  if (input.ReplicationTaskArn !== undefined) {
-    bodyParams["ReplicationTaskArn"] = input.ReplicationTaskArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.Filters !== undefined && {
+      Filters: serializeAws_json1_1FilterList(input.Filters, context)
+    }),
+    ...(input.Marker !== undefined && { Marker: input.Marker }),
+    ...(input.MaxRecords !== undefined && { MaxRecords: input.MaxRecords }),
+    ...(input.ReplicationTaskArn !== undefined && {
+      ReplicationTaskArn: input.ReplicationTaskArn
+    })
+  };
 };
 
 const serializeAws_json1_1DmsTransferSettings = (
   input: DmsTransferSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.BucketName !== undefined) {
-    bodyParams["BucketName"] = input.BucketName;
-  }
-  if (input.ServiceAccessRoleArn !== undefined) {
-    bodyParams["ServiceAccessRoleArn"] = input.ServiceAccessRoleArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.BucketName !== undefined && { BucketName: input.BucketName }),
+    ...(input.ServiceAccessRoleArn !== undefined && {
+      ServiceAccessRoleArn: input.ServiceAccessRoleArn
+    })
+  };
 };
 
 const serializeAws_json1_1DynamoDbSettings = (
   input: DynamoDbSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ServiceAccessRoleArn !== undefined) {
-    bodyParams["ServiceAccessRoleArn"] = input.ServiceAccessRoleArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.ServiceAccessRoleArn !== undefined && {
+      ServiceAccessRoleArn: input.ServiceAccessRoleArn
+    })
+  };
 };
 
 const serializeAws_json1_1ElasticsearchSettings = (
   input: ElasticsearchSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EndpointUri !== undefined) {
-    bodyParams["EndpointUri"] = input.EndpointUri;
-  }
-  if (input.ErrorRetryDuration !== undefined) {
-    bodyParams["ErrorRetryDuration"] = input.ErrorRetryDuration;
-  }
-  if (input.FullLoadErrorPercentage !== undefined) {
-    bodyParams["FullLoadErrorPercentage"] = input.FullLoadErrorPercentage;
-  }
-  if (input.ServiceAccessRoleArn !== undefined) {
-    bodyParams["ServiceAccessRoleArn"] = input.ServiceAccessRoleArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.EndpointUri !== undefined && { EndpointUri: input.EndpointUri }),
+    ...(input.ErrorRetryDuration !== undefined && {
+      ErrorRetryDuration: input.ErrorRetryDuration
+    }),
+    ...(input.FullLoadErrorPercentage !== undefined && {
+      FullLoadErrorPercentage: input.FullLoadErrorPercentage
+    }),
+    ...(input.ServiceAccessRoleArn !== undefined && {
+      ServiceAccessRoleArn: input.ServiceAccessRoleArn
+    })
+  };
 };
 
 const serializeAws_json1_1EventCategoriesList = (
@@ -6076,17 +5914,12 @@ const serializeAws_json1_1Filter = (
   input: Filter,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.Values !== undefined) {
-    bodyParams["Values"] = serializeAws_json1_1FilterValueList(
-      input.Values,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.Values !== undefined && {
+      Values: serializeAws_json1_1FilterValueList(input.Values, context)
+    })
+  };
 };
 
 const serializeAws_json1_1FilterList = (
@@ -6107,22 +5940,20 @@ const serializeAws_json1_1ImportCertificateMessage = (
   input: ImportCertificateMessage,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CertificateIdentifier !== undefined) {
-    bodyParams["CertificateIdentifier"] = input.CertificateIdentifier;
-  }
-  if (input.CertificatePem !== undefined) {
-    bodyParams["CertificatePem"] = input.CertificatePem;
-  }
-  if (input.CertificateWallet !== undefined) {
-    bodyParams["CertificateWallet"] = context.base64Encoder(
-      input.CertificateWallet
-    );
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagList(input.Tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.CertificateIdentifier !== undefined && {
+      CertificateIdentifier: input.CertificateIdentifier
+    }),
+    ...(input.CertificatePem !== undefined && {
+      CertificatePem: input.CertificatePem
+    }),
+    ...(input.CertificateWallet !== undefined && {
+      CertificateWallet: context.base64Encoder(input.CertificateWallet)
+    }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagList(input.Tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1KeyList = (
@@ -6136,511 +5967,426 @@ const serializeAws_json1_1KinesisSettings = (
   input: KinesisSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MessageFormat !== undefined) {
-    bodyParams["MessageFormat"] = input.MessageFormat;
-  }
-  if (input.ServiceAccessRoleArn !== undefined) {
-    bodyParams["ServiceAccessRoleArn"] = input.ServiceAccessRoleArn;
-  }
-  if (input.StreamArn !== undefined) {
-    bodyParams["StreamArn"] = input.StreamArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.MessageFormat !== undefined && {
+      MessageFormat: input.MessageFormat
+    }),
+    ...(input.ServiceAccessRoleArn !== undefined && {
+      ServiceAccessRoleArn: input.ServiceAccessRoleArn
+    }),
+    ...(input.StreamArn !== undefined && { StreamArn: input.StreamArn })
+  };
 };
 
 const serializeAws_json1_1ListTagsForResourceMessage = (
   input: ListTagsForResourceMessage,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceArn !== undefined) {
-    bodyParams["ResourceArn"] = input.ResourceArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceArn !== undefined && { ResourceArn: input.ResourceArn })
+  };
 };
 
 const serializeAws_json1_1ModifyEndpointMessage = (
   input: ModifyEndpointMessage,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CertificateArn !== undefined) {
-    bodyParams["CertificateArn"] = input.CertificateArn;
-  }
-  if (input.DatabaseName !== undefined) {
-    bodyParams["DatabaseName"] = input.DatabaseName;
-  }
-  if (input.DmsTransferSettings !== undefined) {
-    bodyParams["DmsTransferSettings"] = serializeAws_json1_1DmsTransferSettings(
-      input.DmsTransferSettings,
-      context
-    );
-  }
-  if (input.DynamoDbSettings !== undefined) {
-    bodyParams["DynamoDbSettings"] = serializeAws_json1_1DynamoDbSettings(
-      input.DynamoDbSettings,
-      context
-    );
-  }
-  if (input.ElasticsearchSettings !== undefined) {
-    bodyParams[
-      "ElasticsearchSettings"
-    ] = serializeAws_json1_1ElasticsearchSettings(
-      input.ElasticsearchSettings,
-      context
-    );
-  }
-  if (input.EndpointArn !== undefined) {
-    bodyParams["EndpointArn"] = input.EndpointArn;
-  }
-  if (input.EndpointIdentifier !== undefined) {
-    bodyParams["EndpointIdentifier"] = input.EndpointIdentifier;
-  }
-  if (input.EndpointType !== undefined) {
-    bodyParams["EndpointType"] = input.EndpointType;
-  }
-  if (input.EngineName !== undefined) {
-    bodyParams["EngineName"] = input.EngineName;
-  }
-  if (input.ExternalTableDefinition !== undefined) {
-    bodyParams["ExternalTableDefinition"] = input.ExternalTableDefinition;
-  }
-  if (input.ExtraConnectionAttributes !== undefined) {
-    bodyParams["ExtraConnectionAttributes"] = input.ExtraConnectionAttributes;
-  }
-  if (input.KinesisSettings !== undefined) {
-    bodyParams["KinesisSettings"] = serializeAws_json1_1KinesisSettings(
-      input.KinesisSettings,
-      context
-    );
-  }
-  if (input.MongoDbSettings !== undefined) {
-    bodyParams["MongoDbSettings"] = serializeAws_json1_1MongoDbSettings(
-      input.MongoDbSettings,
-      context
-    );
-  }
-  if (input.Password !== undefined) {
-    bodyParams["Password"] = input.Password;
-  }
-  if (input.Port !== undefined) {
-    bodyParams["Port"] = input.Port;
-  }
-  if (input.RedshiftSettings !== undefined) {
-    bodyParams["RedshiftSettings"] = serializeAws_json1_1RedshiftSettings(
-      input.RedshiftSettings,
-      context
-    );
-  }
-  if (input.S3Settings !== undefined) {
-    bodyParams["S3Settings"] = serializeAws_json1_1S3Settings(
-      input.S3Settings,
-      context
-    );
-  }
-  if (input.ServerName !== undefined) {
-    bodyParams["ServerName"] = input.ServerName;
-  }
-  if (input.ServiceAccessRoleArn !== undefined) {
-    bodyParams["ServiceAccessRoleArn"] = input.ServiceAccessRoleArn;
-  }
-  if (input.SslMode !== undefined) {
-    bodyParams["SslMode"] = input.SslMode;
-  }
-  if (input.Username !== undefined) {
-    bodyParams["Username"] = input.Username;
-  }
-  return bodyParams;
+  return {
+    ...(input.CertificateArn !== undefined && {
+      CertificateArn: input.CertificateArn
+    }),
+    ...(input.DatabaseName !== undefined && {
+      DatabaseName: input.DatabaseName
+    }),
+    ...(input.DmsTransferSettings !== undefined && {
+      DmsTransferSettings: serializeAws_json1_1DmsTransferSettings(
+        input.DmsTransferSettings,
+        context
+      )
+    }),
+    ...(input.DynamoDbSettings !== undefined && {
+      DynamoDbSettings: serializeAws_json1_1DynamoDbSettings(
+        input.DynamoDbSettings,
+        context
+      )
+    }),
+    ...(input.ElasticsearchSettings !== undefined && {
+      ElasticsearchSettings: serializeAws_json1_1ElasticsearchSettings(
+        input.ElasticsearchSettings,
+        context
+      )
+    }),
+    ...(input.EndpointArn !== undefined && { EndpointArn: input.EndpointArn }),
+    ...(input.EndpointIdentifier !== undefined && {
+      EndpointIdentifier: input.EndpointIdentifier
+    }),
+    ...(input.EndpointType !== undefined && {
+      EndpointType: input.EndpointType
+    }),
+    ...(input.EngineName !== undefined && { EngineName: input.EngineName }),
+    ...(input.ExternalTableDefinition !== undefined && {
+      ExternalTableDefinition: input.ExternalTableDefinition
+    }),
+    ...(input.ExtraConnectionAttributes !== undefined && {
+      ExtraConnectionAttributes: input.ExtraConnectionAttributes
+    }),
+    ...(input.KinesisSettings !== undefined && {
+      KinesisSettings: serializeAws_json1_1KinesisSettings(
+        input.KinesisSettings,
+        context
+      )
+    }),
+    ...(input.MongoDbSettings !== undefined && {
+      MongoDbSettings: serializeAws_json1_1MongoDbSettings(
+        input.MongoDbSettings,
+        context
+      )
+    }),
+    ...(input.Password !== undefined && { Password: input.Password }),
+    ...(input.Port !== undefined && { Port: input.Port }),
+    ...(input.RedshiftSettings !== undefined && {
+      RedshiftSettings: serializeAws_json1_1RedshiftSettings(
+        input.RedshiftSettings,
+        context
+      )
+    }),
+    ...(input.S3Settings !== undefined && {
+      S3Settings: serializeAws_json1_1S3Settings(input.S3Settings, context)
+    }),
+    ...(input.ServerName !== undefined && { ServerName: input.ServerName }),
+    ...(input.ServiceAccessRoleArn !== undefined && {
+      ServiceAccessRoleArn: input.ServiceAccessRoleArn
+    }),
+    ...(input.SslMode !== undefined && { SslMode: input.SslMode }),
+    ...(input.Username !== undefined && { Username: input.Username })
+  };
 };
 
 const serializeAws_json1_1ModifyEventSubscriptionMessage = (
   input: ModifyEventSubscriptionMessage,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Enabled !== undefined) {
-    bodyParams["Enabled"] = input.Enabled;
-  }
-  if (input.EventCategories !== undefined) {
-    bodyParams["EventCategories"] = serializeAws_json1_1EventCategoriesList(
-      input.EventCategories,
-      context
-    );
-  }
-  if (input.SnsTopicArn !== undefined) {
-    bodyParams["SnsTopicArn"] = input.SnsTopicArn;
-  }
-  if (input.SourceType !== undefined) {
-    bodyParams["SourceType"] = input.SourceType;
-  }
-  if (input.SubscriptionName !== undefined) {
-    bodyParams["SubscriptionName"] = input.SubscriptionName;
-  }
-  return bodyParams;
+  return {
+    ...(input.Enabled !== undefined && { Enabled: input.Enabled }),
+    ...(input.EventCategories !== undefined && {
+      EventCategories: serializeAws_json1_1EventCategoriesList(
+        input.EventCategories,
+        context
+      )
+    }),
+    ...(input.SnsTopicArn !== undefined && { SnsTopicArn: input.SnsTopicArn }),
+    ...(input.SourceType !== undefined && { SourceType: input.SourceType }),
+    ...(input.SubscriptionName !== undefined && {
+      SubscriptionName: input.SubscriptionName
+    })
+  };
 };
 
 const serializeAws_json1_1ModifyReplicationInstanceMessage = (
   input: ModifyReplicationInstanceMessage,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AllocatedStorage !== undefined) {
-    bodyParams["AllocatedStorage"] = input.AllocatedStorage;
-  }
-  if (input.AllowMajorVersionUpgrade !== undefined) {
-    bodyParams["AllowMajorVersionUpgrade"] = input.AllowMajorVersionUpgrade;
-  }
-  if (input.ApplyImmediately !== undefined) {
-    bodyParams["ApplyImmediately"] = input.ApplyImmediately;
-  }
-  if (input.AutoMinorVersionUpgrade !== undefined) {
-    bodyParams["AutoMinorVersionUpgrade"] = input.AutoMinorVersionUpgrade;
-  }
-  if (input.EngineVersion !== undefined) {
-    bodyParams["EngineVersion"] = input.EngineVersion;
-  }
-  if (input.MultiAZ !== undefined) {
-    bodyParams["MultiAZ"] = input.MultiAZ;
-  }
-  if (input.PreferredMaintenanceWindow !== undefined) {
-    bodyParams["PreferredMaintenanceWindow"] = input.PreferredMaintenanceWindow;
-  }
-  if (input.ReplicationInstanceArn !== undefined) {
-    bodyParams["ReplicationInstanceArn"] = input.ReplicationInstanceArn;
-  }
-  if (input.ReplicationInstanceClass !== undefined) {
-    bodyParams["ReplicationInstanceClass"] = input.ReplicationInstanceClass;
-  }
-  if (input.ReplicationInstanceIdentifier !== undefined) {
-    bodyParams["ReplicationInstanceIdentifier"] =
-      input.ReplicationInstanceIdentifier;
-  }
-  if (input.VpcSecurityGroupIds !== undefined) {
-    bodyParams[
-      "VpcSecurityGroupIds"
-    ] = serializeAws_json1_1VpcSecurityGroupIdList(
-      input.VpcSecurityGroupIds,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.AllocatedStorage !== undefined && {
+      AllocatedStorage: input.AllocatedStorage
+    }),
+    ...(input.AllowMajorVersionUpgrade !== undefined && {
+      AllowMajorVersionUpgrade: input.AllowMajorVersionUpgrade
+    }),
+    ...(input.ApplyImmediately !== undefined && {
+      ApplyImmediately: input.ApplyImmediately
+    }),
+    ...(input.AutoMinorVersionUpgrade !== undefined && {
+      AutoMinorVersionUpgrade: input.AutoMinorVersionUpgrade
+    }),
+    ...(input.EngineVersion !== undefined && {
+      EngineVersion: input.EngineVersion
+    }),
+    ...(input.MultiAZ !== undefined && { MultiAZ: input.MultiAZ }),
+    ...(input.PreferredMaintenanceWindow !== undefined && {
+      PreferredMaintenanceWindow: input.PreferredMaintenanceWindow
+    }),
+    ...(input.ReplicationInstanceArn !== undefined && {
+      ReplicationInstanceArn: input.ReplicationInstanceArn
+    }),
+    ...(input.ReplicationInstanceClass !== undefined && {
+      ReplicationInstanceClass: input.ReplicationInstanceClass
+    }),
+    ...(input.ReplicationInstanceIdentifier !== undefined && {
+      ReplicationInstanceIdentifier: input.ReplicationInstanceIdentifier
+    }),
+    ...(input.VpcSecurityGroupIds !== undefined && {
+      VpcSecurityGroupIds: serializeAws_json1_1VpcSecurityGroupIdList(
+        input.VpcSecurityGroupIds,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1ModifyReplicationSubnetGroupMessage = (
   input: ModifyReplicationSubnetGroupMessage,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ReplicationSubnetGroupDescription !== undefined) {
-    bodyParams["ReplicationSubnetGroupDescription"] =
-      input.ReplicationSubnetGroupDescription;
-  }
-  if (input.ReplicationSubnetGroupIdentifier !== undefined) {
-    bodyParams["ReplicationSubnetGroupIdentifier"] =
-      input.ReplicationSubnetGroupIdentifier;
-  }
-  if (input.SubnetIds !== undefined) {
-    bodyParams["SubnetIds"] = serializeAws_json1_1SubnetIdentifierList(
-      input.SubnetIds,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ReplicationSubnetGroupDescription !== undefined && {
+      ReplicationSubnetGroupDescription: input.ReplicationSubnetGroupDescription
+    }),
+    ...(input.ReplicationSubnetGroupIdentifier !== undefined && {
+      ReplicationSubnetGroupIdentifier: input.ReplicationSubnetGroupIdentifier
+    }),
+    ...(input.SubnetIds !== undefined && {
+      SubnetIds: serializeAws_json1_1SubnetIdentifierList(
+        input.SubnetIds,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1ModifyReplicationTaskMessage = (
   input: ModifyReplicationTaskMessage,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CdcStartPosition !== undefined) {
-    bodyParams["CdcStartPosition"] = input.CdcStartPosition;
-  }
-  if (input.CdcStartTime !== undefined) {
-    bodyParams["CdcStartTime"] = Math.round(
-      input.CdcStartTime.getTime() / 1000
-    );
-  }
-  if (input.CdcStopPosition !== undefined) {
-    bodyParams["CdcStopPosition"] = input.CdcStopPosition;
-  }
-  if (input.MigrationType !== undefined) {
-    bodyParams["MigrationType"] = input.MigrationType;
-  }
-  if (input.ReplicationTaskArn !== undefined) {
-    bodyParams["ReplicationTaskArn"] = input.ReplicationTaskArn;
-  }
-  if (input.ReplicationTaskIdentifier !== undefined) {
-    bodyParams["ReplicationTaskIdentifier"] = input.ReplicationTaskIdentifier;
-  }
-  if (input.ReplicationTaskSettings !== undefined) {
-    bodyParams["ReplicationTaskSettings"] = input.ReplicationTaskSettings;
-  }
-  if (input.TableMappings !== undefined) {
-    bodyParams["TableMappings"] = input.TableMappings;
-  }
-  return bodyParams;
+  return {
+    ...(input.CdcStartPosition !== undefined && {
+      CdcStartPosition: input.CdcStartPosition
+    }),
+    ...(input.CdcStartTime !== undefined && {
+      CdcStartTime: Math.round(input.CdcStartTime.getTime() / 1000)
+    }),
+    ...(input.CdcStopPosition !== undefined && {
+      CdcStopPosition: input.CdcStopPosition
+    }),
+    ...(input.MigrationType !== undefined && {
+      MigrationType: input.MigrationType
+    }),
+    ...(input.ReplicationTaskArn !== undefined && {
+      ReplicationTaskArn: input.ReplicationTaskArn
+    }),
+    ...(input.ReplicationTaskIdentifier !== undefined && {
+      ReplicationTaskIdentifier: input.ReplicationTaskIdentifier
+    }),
+    ...(input.ReplicationTaskSettings !== undefined && {
+      ReplicationTaskSettings: input.ReplicationTaskSettings
+    }),
+    ...(input.TableMappings !== undefined && {
+      TableMappings: input.TableMappings
+    })
+  };
 };
 
 const serializeAws_json1_1MongoDbSettings = (
   input: MongoDbSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AuthMechanism !== undefined) {
-    bodyParams["AuthMechanism"] = input.AuthMechanism;
-  }
-  if (input.AuthSource !== undefined) {
-    bodyParams["AuthSource"] = input.AuthSource;
-  }
-  if (input.AuthType !== undefined) {
-    bodyParams["AuthType"] = input.AuthType;
-  }
-  if (input.DatabaseName !== undefined) {
-    bodyParams["DatabaseName"] = input.DatabaseName;
-  }
-  if (input.DocsToInvestigate !== undefined) {
-    bodyParams["DocsToInvestigate"] = input.DocsToInvestigate;
-  }
-  if (input.ExtractDocId !== undefined) {
-    bodyParams["ExtractDocId"] = input.ExtractDocId;
-  }
-  if (input.KmsKeyId !== undefined) {
-    bodyParams["KmsKeyId"] = input.KmsKeyId;
-  }
-  if (input.NestingLevel !== undefined) {
-    bodyParams["NestingLevel"] = input.NestingLevel;
-  }
-  if (input.Password !== undefined) {
-    bodyParams["Password"] = input.Password;
-  }
-  if (input.Port !== undefined) {
-    bodyParams["Port"] = input.Port;
-  }
-  if (input.ServerName !== undefined) {
-    bodyParams["ServerName"] = input.ServerName;
-  }
-  if (input.Username !== undefined) {
-    bodyParams["Username"] = input.Username;
-  }
-  return bodyParams;
+  return {
+    ...(input.AuthMechanism !== undefined && {
+      AuthMechanism: input.AuthMechanism
+    }),
+    ...(input.AuthSource !== undefined && { AuthSource: input.AuthSource }),
+    ...(input.AuthType !== undefined && { AuthType: input.AuthType }),
+    ...(input.DatabaseName !== undefined && {
+      DatabaseName: input.DatabaseName
+    }),
+    ...(input.DocsToInvestigate !== undefined && {
+      DocsToInvestigate: input.DocsToInvestigate
+    }),
+    ...(input.ExtractDocId !== undefined && {
+      ExtractDocId: input.ExtractDocId
+    }),
+    ...(input.KmsKeyId !== undefined && { KmsKeyId: input.KmsKeyId }),
+    ...(input.NestingLevel !== undefined && {
+      NestingLevel: input.NestingLevel
+    }),
+    ...(input.Password !== undefined && { Password: input.Password }),
+    ...(input.Port !== undefined && { Port: input.Port }),
+    ...(input.ServerName !== undefined && { ServerName: input.ServerName }),
+    ...(input.Username !== undefined && { Username: input.Username })
+  };
 };
 
 const serializeAws_json1_1RebootReplicationInstanceMessage = (
   input: RebootReplicationInstanceMessage,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ForceFailover !== undefined) {
-    bodyParams["ForceFailover"] = input.ForceFailover;
-  }
-  if (input.ReplicationInstanceArn !== undefined) {
-    bodyParams["ReplicationInstanceArn"] = input.ReplicationInstanceArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.ForceFailover !== undefined && {
+      ForceFailover: input.ForceFailover
+    }),
+    ...(input.ReplicationInstanceArn !== undefined && {
+      ReplicationInstanceArn: input.ReplicationInstanceArn
+    })
+  };
 };
 
 const serializeAws_json1_1RedshiftSettings = (
   input: RedshiftSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AcceptAnyDate !== undefined) {
-    bodyParams["AcceptAnyDate"] = input.AcceptAnyDate;
-  }
-  if (input.AfterConnectScript !== undefined) {
-    bodyParams["AfterConnectScript"] = input.AfterConnectScript;
-  }
-  if (input.BucketFolder !== undefined) {
-    bodyParams["BucketFolder"] = input.BucketFolder;
-  }
-  if (input.BucketName !== undefined) {
-    bodyParams["BucketName"] = input.BucketName;
-  }
-  if (input.ConnectionTimeout !== undefined) {
-    bodyParams["ConnectionTimeout"] = input.ConnectionTimeout;
-  }
-  if (input.DatabaseName !== undefined) {
-    bodyParams["DatabaseName"] = input.DatabaseName;
-  }
-  if (input.DateFormat !== undefined) {
-    bodyParams["DateFormat"] = input.DateFormat;
-  }
-  if (input.EmptyAsNull !== undefined) {
-    bodyParams["EmptyAsNull"] = input.EmptyAsNull;
-  }
-  if (input.EncryptionMode !== undefined) {
-    bodyParams["EncryptionMode"] = input.EncryptionMode;
-  }
-  if (input.FileTransferUploadStreams !== undefined) {
-    bodyParams["FileTransferUploadStreams"] = input.FileTransferUploadStreams;
-  }
-  if (input.LoadTimeout !== undefined) {
-    bodyParams["LoadTimeout"] = input.LoadTimeout;
-  }
-  if (input.MaxFileSize !== undefined) {
-    bodyParams["MaxFileSize"] = input.MaxFileSize;
-  }
-  if (input.Password !== undefined) {
-    bodyParams["Password"] = input.Password;
-  }
-  if (input.Port !== undefined) {
-    bodyParams["Port"] = input.Port;
-  }
-  if (input.RemoveQuotes !== undefined) {
-    bodyParams["RemoveQuotes"] = input.RemoveQuotes;
-  }
-  if (input.ReplaceChars !== undefined) {
-    bodyParams["ReplaceChars"] = input.ReplaceChars;
-  }
-  if (input.ReplaceInvalidChars !== undefined) {
-    bodyParams["ReplaceInvalidChars"] = input.ReplaceInvalidChars;
-  }
-  if (input.ServerName !== undefined) {
-    bodyParams["ServerName"] = input.ServerName;
-  }
-  if (input.ServerSideEncryptionKmsKeyId !== undefined) {
-    bodyParams["ServerSideEncryptionKmsKeyId"] =
-      input.ServerSideEncryptionKmsKeyId;
-  }
-  if (input.ServiceAccessRoleArn !== undefined) {
-    bodyParams["ServiceAccessRoleArn"] = input.ServiceAccessRoleArn;
-  }
-  if (input.TimeFormat !== undefined) {
-    bodyParams["TimeFormat"] = input.TimeFormat;
-  }
-  if (input.TrimBlanks !== undefined) {
-    bodyParams["TrimBlanks"] = input.TrimBlanks;
-  }
-  if (input.TruncateColumns !== undefined) {
-    bodyParams["TruncateColumns"] = input.TruncateColumns;
-  }
-  if (input.Username !== undefined) {
-    bodyParams["Username"] = input.Username;
-  }
-  if (input.WriteBufferSize !== undefined) {
-    bodyParams["WriteBufferSize"] = input.WriteBufferSize;
-  }
-  return bodyParams;
+  return {
+    ...(input.AcceptAnyDate !== undefined && {
+      AcceptAnyDate: input.AcceptAnyDate
+    }),
+    ...(input.AfterConnectScript !== undefined && {
+      AfterConnectScript: input.AfterConnectScript
+    }),
+    ...(input.BucketFolder !== undefined && {
+      BucketFolder: input.BucketFolder
+    }),
+    ...(input.BucketName !== undefined && { BucketName: input.BucketName }),
+    ...(input.ConnectionTimeout !== undefined && {
+      ConnectionTimeout: input.ConnectionTimeout
+    }),
+    ...(input.DatabaseName !== undefined && {
+      DatabaseName: input.DatabaseName
+    }),
+    ...(input.DateFormat !== undefined && { DateFormat: input.DateFormat }),
+    ...(input.EmptyAsNull !== undefined && { EmptyAsNull: input.EmptyAsNull }),
+    ...(input.EncryptionMode !== undefined && {
+      EncryptionMode: input.EncryptionMode
+    }),
+    ...(input.FileTransferUploadStreams !== undefined && {
+      FileTransferUploadStreams: input.FileTransferUploadStreams
+    }),
+    ...(input.LoadTimeout !== undefined && { LoadTimeout: input.LoadTimeout }),
+    ...(input.MaxFileSize !== undefined && { MaxFileSize: input.MaxFileSize }),
+    ...(input.Password !== undefined && { Password: input.Password }),
+    ...(input.Port !== undefined && { Port: input.Port }),
+    ...(input.RemoveQuotes !== undefined && {
+      RemoveQuotes: input.RemoveQuotes
+    }),
+    ...(input.ReplaceChars !== undefined && {
+      ReplaceChars: input.ReplaceChars
+    }),
+    ...(input.ReplaceInvalidChars !== undefined && {
+      ReplaceInvalidChars: input.ReplaceInvalidChars
+    }),
+    ...(input.ServerName !== undefined && { ServerName: input.ServerName }),
+    ...(input.ServerSideEncryptionKmsKeyId !== undefined && {
+      ServerSideEncryptionKmsKeyId: input.ServerSideEncryptionKmsKeyId
+    }),
+    ...(input.ServiceAccessRoleArn !== undefined && {
+      ServiceAccessRoleArn: input.ServiceAccessRoleArn
+    }),
+    ...(input.TimeFormat !== undefined && { TimeFormat: input.TimeFormat }),
+    ...(input.TrimBlanks !== undefined && { TrimBlanks: input.TrimBlanks }),
+    ...(input.TruncateColumns !== undefined && {
+      TruncateColumns: input.TruncateColumns
+    }),
+    ...(input.Username !== undefined && { Username: input.Username }),
+    ...(input.WriteBufferSize !== undefined && {
+      WriteBufferSize: input.WriteBufferSize
+    })
+  };
 };
 
 const serializeAws_json1_1RefreshSchemasMessage = (
   input: RefreshSchemasMessage,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EndpointArn !== undefined) {
-    bodyParams["EndpointArn"] = input.EndpointArn;
-  }
-  if (input.ReplicationInstanceArn !== undefined) {
-    bodyParams["ReplicationInstanceArn"] = input.ReplicationInstanceArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.EndpointArn !== undefined && { EndpointArn: input.EndpointArn }),
+    ...(input.ReplicationInstanceArn !== undefined && {
+      ReplicationInstanceArn: input.ReplicationInstanceArn
+    })
+  };
 };
 
 const serializeAws_json1_1ReloadTablesMessage = (
   input: ReloadTablesMessage,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ReloadOption !== undefined) {
-    bodyParams["ReloadOption"] = input.ReloadOption;
-  }
-  if (input.ReplicationTaskArn !== undefined) {
-    bodyParams["ReplicationTaskArn"] = input.ReplicationTaskArn;
-  }
-  if (input.TablesToReload !== undefined) {
-    bodyParams["TablesToReload"] = serializeAws_json1_1TableListToReload(
-      input.TablesToReload,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ReloadOption !== undefined && {
+      ReloadOption: input.ReloadOption
+    }),
+    ...(input.ReplicationTaskArn !== undefined && {
+      ReplicationTaskArn: input.ReplicationTaskArn
+    }),
+    ...(input.TablesToReload !== undefined && {
+      TablesToReload: serializeAws_json1_1TableListToReload(
+        input.TablesToReload,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1RemoveTagsFromResourceMessage = (
   input: RemoveTagsFromResourceMessage,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceArn !== undefined) {
-    bodyParams["ResourceArn"] = input.ResourceArn;
-  }
-  if (input.TagKeys !== undefined) {
-    bodyParams["TagKeys"] = serializeAws_json1_1KeyList(input.TagKeys, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceArn !== undefined && { ResourceArn: input.ResourceArn }),
+    ...(input.TagKeys !== undefined && {
+      TagKeys: serializeAws_json1_1KeyList(input.TagKeys, context)
+    })
+  };
 };
 
 const serializeAws_json1_1S3Settings = (
   input: S3Settings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.BucketFolder !== undefined) {
-    bodyParams["BucketFolder"] = input.BucketFolder;
-  }
-  if (input.BucketName !== undefined) {
-    bodyParams["BucketName"] = input.BucketName;
-  }
-  if (input.CdcInsertsOnly !== undefined) {
-    bodyParams["CdcInsertsOnly"] = input.CdcInsertsOnly;
-  }
-  if (input.CompressionType !== undefined) {
-    bodyParams["CompressionType"] = input.CompressionType;
-  }
-  if (input.CsvDelimiter !== undefined) {
-    bodyParams["CsvDelimiter"] = input.CsvDelimiter;
-  }
-  if (input.CsvRowDelimiter !== undefined) {
-    bodyParams["CsvRowDelimiter"] = input.CsvRowDelimiter;
-  }
-  if (input.DataFormat !== undefined) {
-    bodyParams["DataFormat"] = input.DataFormat;
-  }
-  if (input.DataPageSize !== undefined) {
-    bodyParams["DataPageSize"] = input.DataPageSize;
-  }
-  if (input.DictPageSizeLimit !== undefined) {
-    bodyParams["DictPageSizeLimit"] = input.DictPageSizeLimit;
-  }
-  if (input.EnableStatistics !== undefined) {
-    bodyParams["EnableStatistics"] = input.EnableStatistics;
-  }
-  if (input.EncodingType !== undefined) {
-    bodyParams["EncodingType"] = input.EncodingType;
-  }
-  if (input.EncryptionMode !== undefined) {
-    bodyParams["EncryptionMode"] = input.EncryptionMode;
-  }
-  if (input.ExternalTableDefinition !== undefined) {
-    bodyParams["ExternalTableDefinition"] = input.ExternalTableDefinition;
-  }
-  if (input.IncludeOpForFullLoad !== undefined) {
-    bodyParams["IncludeOpForFullLoad"] = input.IncludeOpForFullLoad;
-  }
-  if (input.ParquetTimestampInMillisecond !== undefined) {
-    bodyParams["ParquetTimestampInMillisecond"] =
-      input.ParquetTimestampInMillisecond;
-  }
-  if (input.ParquetVersion !== undefined) {
-    bodyParams["ParquetVersion"] = input.ParquetVersion;
-  }
-  if (input.RowGroupLength !== undefined) {
-    bodyParams["RowGroupLength"] = input.RowGroupLength;
-  }
-  if (input.ServerSideEncryptionKmsKeyId !== undefined) {
-    bodyParams["ServerSideEncryptionKmsKeyId"] =
-      input.ServerSideEncryptionKmsKeyId;
-  }
-  if (input.ServiceAccessRoleArn !== undefined) {
-    bodyParams["ServiceAccessRoleArn"] = input.ServiceAccessRoleArn;
-  }
-  if (input.TimestampColumnName !== undefined) {
-    bodyParams["TimestampColumnName"] = input.TimestampColumnName;
-  }
-  return bodyParams;
+  return {
+    ...(input.BucketFolder !== undefined && {
+      BucketFolder: input.BucketFolder
+    }),
+    ...(input.BucketName !== undefined && { BucketName: input.BucketName }),
+    ...(input.CdcInsertsOnly !== undefined && {
+      CdcInsertsOnly: input.CdcInsertsOnly
+    }),
+    ...(input.CompressionType !== undefined && {
+      CompressionType: input.CompressionType
+    }),
+    ...(input.CsvDelimiter !== undefined && {
+      CsvDelimiter: input.CsvDelimiter
+    }),
+    ...(input.CsvRowDelimiter !== undefined && {
+      CsvRowDelimiter: input.CsvRowDelimiter
+    }),
+    ...(input.DataFormat !== undefined && { DataFormat: input.DataFormat }),
+    ...(input.DataPageSize !== undefined && {
+      DataPageSize: input.DataPageSize
+    }),
+    ...(input.DictPageSizeLimit !== undefined && {
+      DictPageSizeLimit: input.DictPageSizeLimit
+    }),
+    ...(input.EnableStatistics !== undefined && {
+      EnableStatistics: input.EnableStatistics
+    }),
+    ...(input.EncodingType !== undefined && {
+      EncodingType: input.EncodingType
+    }),
+    ...(input.EncryptionMode !== undefined && {
+      EncryptionMode: input.EncryptionMode
+    }),
+    ...(input.ExternalTableDefinition !== undefined && {
+      ExternalTableDefinition: input.ExternalTableDefinition
+    }),
+    ...(input.IncludeOpForFullLoad !== undefined && {
+      IncludeOpForFullLoad: input.IncludeOpForFullLoad
+    }),
+    ...(input.ParquetTimestampInMillisecond !== undefined && {
+      ParquetTimestampInMillisecond: input.ParquetTimestampInMillisecond
+    }),
+    ...(input.ParquetVersion !== undefined && {
+      ParquetVersion: input.ParquetVersion
+    }),
+    ...(input.RowGroupLength !== undefined && {
+      RowGroupLength: input.RowGroupLength
+    }),
+    ...(input.ServerSideEncryptionKmsKeyId !== undefined && {
+      ServerSideEncryptionKmsKeyId: input.ServerSideEncryptionKmsKeyId
+    }),
+    ...(input.ServiceAccessRoleArn !== undefined && {
+      ServiceAccessRoleArn: input.ServiceAccessRoleArn
+    }),
+    ...(input.TimestampColumnName !== undefined && {
+      TimestampColumnName: input.TimestampColumnName
+    })
+  };
 };
 
 const serializeAws_json1_1SourceIdsList = (
@@ -6654,47 +6400,45 @@ const serializeAws_json1_1StartReplicationTaskAssessmentMessage = (
   input: StartReplicationTaskAssessmentMessage,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ReplicationTaskArn !== undefined) {
-    bodyParams["ReplicationTaskArn"] = input.ReplicationTaskArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.ReplicationTaskArn !== undefined && {
+      ReplicationTaskArn: input.ReplicationTaskArn
+    })
+  };
 };
 
 const serializeAws_json1_1StartReplicationTaskMessage = (
   input: StartReplicationTaskMessage,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CdcStartPosition !== undefined) {
-    bodyParams["CdcStartPosition"] = input.CdcStartPosition;
-  }
-  if (input.CdcStartTime !== undefined) {
-    bodyParams["CdcStartTime"] = Math.round(
-      input.CdcStartTime.getTime() / 1000
-    );
-  }
-  if (input.CdcStopPosition !== undefined) {
-    bodyParams["CdcStopPosition"] = input.CdcStopPosition;
-  }
-  if (input.ReplicationTaskArn !== undefined) {
-    bodyParams["ReplicationTaskArn"] = input.ReplicationTaskArn;
-  }
-  if (input.StartReplicationTaskType !== undefined) {
-    bodyParams["StartReplicationTaskType"] = input.StartReplicationTaskType;
-  }
-  return bodyParams;
+  return {
+    ...(input.CdcStartPosition !== undefined && {
+      CdcStartPosition: input.CdcStartPosition
+    }),
+    ...(input.CdcStartTime !== undefined && {
+      CdcStartTime: Math.round(input.CdcStartTime.getTime() / 1000)
+    }),
+    ...(input.CdcStopPosition !== undefined && {
+      CdcStopPosition: input.CdcStopPosition
+    }),
+    ...(input.ReplicationTaskArn !== undefined && {
+      ReplicationTaskArn: input.ReplicationTaskArn
+    }),
+    ...(input.StartReplicationTaskType !== undefined && {
+      StartReplicationTaskType: input.StartReplicationTaskType
+    })
+  };
 };
 
 const serializeAws_json1_1StopReplicationTaskMessage = (
   input: StopReplicationTaskMessage,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ReplicationTaskArn !== undefined) {
-    bodyParams["ReplicationTaskArn"] = input.ReplicationTaskArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.ReplicationTaskArn !== undefined && {
+      ReplicationTaskArn: input.ReplicationTaskArn
+    })
+  };
 };
 
 const serializeAws_json1_1SubnetIdentifierList = (
@@ -6715,25 +6459,17 @@ const serializeAws_json1_1TableToReload = (
   input: TableToReload,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.SchemaName !== undefined) {
-    bodyParams["SchemaName"] = input.SchemaName;
-  }
-  if (input.TableName !== undefined) {
-    bodyParams["TableName"] = input.TableName;
-  }
-  return bodyParams;
+  return {
+    ...(input.SchemaName !== undefined && { SchemaName: input.SchemaName }),
+    ...(input.TableName !== undefined && { TableName: input.TableName })
+  };
 };
 
 const serializeAws_json1_1Tag = (input: Tag, context: __SerdeContext): any => {
-  const bodyParams: any = {};
-  if (input.Key !== undefined) {
-    bodyParams["Key"] = input.Key;
-  }
-  if (input.Value !== undefined) {
-    bodyParams["Value"] = input.Value;
-  }
-  return bodyParams;
+  return {
+    ...(input.Key !== undefined && { Key: input.Key }),
+    ...(input.Value !== undefined && { Value: input.Value })
+  };
 };
 
 const serializeAws_json1_1TagList = (
@@ -6747,14 +6483,12 @@ const serializeAws_json1_1TestConnectionMessage = (
   input: TestConnectionMessage,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EndpointArn !== undefined) {
-    bodyParams["EndpointArn"] = input.EndpointArn;
-  }
-  if (input.ReplicationInstanceArn !== undefined) {
-    bodyParams["ReplicationInstanceArn"] = input.ReplicationInstanceArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.EndpointArn !== undefined && { EndpointArn: input.EndpointArn }),
+    ...(input.ReplicationInstanceArn !== undefined && {
+      ReplicationInstanceArn: input.ReplicationInstanceArn
+    })
+  };
 };
 
 const serializeAws_json1_1VpcSecurityGroupIdList = (
diff --git a/clients/client-dataexchange/protocols/Aws_restJson1_1.ts b/clients/client-dataexchange/protocols/Aws_restJson1_1.ts
index 167abb247fb4..28ca236d8ef5 100644
--- a/clients/client-dataexchange/protocols/Aws_restJson1_1.ts
+++ b/clients/client-dataexchange/protocols/Aws_restJson1_1.ts
@@ -3645,110 +3645,76 @@ const serializeAws_restJson1_1AssetDestinationEntry = (
   input: AssetDestinationEntry,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AssetId !== undefined) {
-    bodyParams["AssetId"] = input.AssetId;
-  }
-  if (input.Bucket !== undefined) {
-    bodyParams["Bucket"] = input.Bucket;
-  }
-  if (input.Key !== undefined) {
-    bodyParams["Key"] = input.Key;
-  }
-  return bodyParams;
+  return {
+    ...(input.AssetId !== undefined && { AssetId: input.AssetId }),
+    ...(input.Bucket !== undefined && { Bucket: input.Bucket }),
+    ...(input.Key !== undefined && { Key: input.Key })
+  };
 };
 
 const serializeAws_restJson1_1AssetSourceEntry = (
   input: AssetSourceEntry,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Bucket !== undefined) {
-    bodyParams["Bucket"] = input.Bucket;
-  }
-  if (input.Key !== undefined) {
-    bodyParams["Key"] = input.Key;
-  }
-  return bodyParams;
+  return {
+    ...(input.Bucket !== undefined && { Bucket: input.Bucket }),
+    ...(input.Key !== undefined && { Key: input.Key })
+  };
 };
 
 const serializeAws_restJson1_1ExportAssetToSignedUrlRequestDetails = (
   input: ExportAssetToSignedUrlRequestDetails,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AssetId !== undefined) {
-    bodyParams["AssetId"] = input.AssetId;
-  }
-  if (input.DataSetId !== undefined) {
-    bodyParams["DataSetId"] = input.DataSetId;
-  }
-  if (input.RevisionId !== undefined) {
-    bodyParams["RevisionId"] = input.RevisionId;
-  }
-  return bodyParams;
+  return {
+    ...(input.AssetId !== undefined && { AssetId: input.AssetId }),
+    ...(input.DataSetId !== undefined && { DataSetId: input.DataSetId }),
+    ...(input.RevisionId !== undefined && { RevisionId: input.RevisionId })
+  };
 };
 
 const serializeAws_restJson1_1ExportAssetsToS3RequestDetails = (
   input: ExportAssetsToS3RequestDetails,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AssetDestinations !== undefined) {
-    bodyParams[
-      "AssetDestinations"
-    ] = serializeAws_restJson1_1ListOfAssetDestinationEntry(
-      input.AssetDestinations,
-      context
-    );
-  }
-  if (input.DataSetId !== undefined) {
-    bodyParams["DataSetId"] = input.DataSetId;
-  }
-  if (input.RevisionId !== undefined) {
-    bodyParams["RevisionId"] = input.RevisionId;
-  }
-  return bodyParams;
+  return {
+    ...(input.AssetDestinations !== undefined && {
+      AssetDestinations: serializeAws_restJson1_1ListOfAssetDestinationEntry(
+        input.AssetDestinations,
+        context
+      )
+    }),
+    ...(input.DataSetId !== undefined && { DataSetId: input.DataSetId }),
+    ...(input.RevisionId !== undefined && { RevisionId: input.RevisionId })
+  };
 };
 
 const serializeAws_restJson1_1ImportAssetFromSignedUrlRequestDetails = (
   input: ImportAssetFromSignedUrlRequestDetails,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AssetName !== undefined) {
-    bodyParams["AssetName"] = input.AssetName;
-  }
-  if (input.DataSetId !== undefined) {
-    bodyParams["DataSetId"] = input.DataSetId;
-  }
-  if (input.Md5Hash !== undefined) {
-    bodyParams["Md5Hash"] = input.Md5Hash;
-  }
-  if (input.RevisionId !== undefined) {
-    bodyParams["RevisionId"] = input.RevisionId;
-  }
-  return bodyParams;
+  return {
+    ...(input.AssetName !== undefined && { AssetName: input.AssetName }),
+    ...(input.DataSetId !== undefined && { DataSetId: input.DataSetId }),
+    ...(input.Md5Hash !== undefined && { Md5Hash: input.Md5Hash }),
+    ...(input.RevisionId !== undefined && { RevisionId: input.RevisionId })
+  };
 };
 
 const serializeAws_restJson1_1ImportAssetsFromS3RequestDetails = (
   input: ImportAssetsFromS3RequestDetails,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AssetSources !== undefined) {
-    bodyParams["AssetSources"] = serializeAws_restJson1_1ListOfAssetSourceEntry(
-      input.AssetSources,
-      context
-    );
-  }
-  if (input.DataSetId !== undefined) {
-    bodyParams["DataSetId"] = input.DataSetId;
-  }
-  if (input.RevisionId !== undefined) {
-    bodyParams["RevisionId"] = input.RevisionId;
-  }
-  return bodyParams;
+  return {
+    ...(input.AssetSources !== undefined && {
+      AssetSources: serializeAws_restJson1_1ListOfAssetSourceEntry(
+        input.AssetSources,
+        context
+      )
+    }),
+    ...(input.DataSetId !== undefined && { DataSetId: input.DataSetId }),
+    ...(input.RevisionId !== undefined && { RevisionId: input.RevisionId })
+  };
 };
 
 const serializeAws_restJson1_1ListOfAssetDestinationEntry = (
@@ -3783,40 +3749,32 @@ const serializeAws_restJson1_1RequestDetails = (
   input: RequestDetails,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ExportAssetToSignedUrl !== undefined) {
-    bodyParams[
-      "ExportAssetToSignedUrl"
-    ] = serializeAws_restJson1_1ExportAssetToSignedUrlRequestDetails(
-      input.ExportAssetToSignedUrl,
-      context
-    );
-  }
-  if (input.ExportAssetsToS3 !== undefined) {
-    bodyParams[
-      "ExportAssetsToS3"
-    ] = serializeAws_restJson1_1ExportAssetsToS3RequestDetails(
-      input.ExportAssetsToS3,
-      context
-    );
-  }
-  if (input.ImportAssetFromSignedUrl !== undefined) {
-    bodyParams[
-      "ImportAssetFromSignedUrl"
-    ] = serializeAws_restJson1_1ImportAssetFromSignedUrlRequestDetails(
-      input.ImportAssetFromSignedUrl,
-      context
-    );
-  }
-  if (input.ImportAssetsFromS3 !== undefined) {
-    bodyParams[
-      "ImportAssetsFromS3"
-    ] = serializeAws_restJson1_1ImportAssetsFromS3RequestDetails(
-      input.ImportAssetsFromS3,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ExportAssetToSignedUrl !== undefined && {
+      ExportAssetToSignedUrl: serializeAws_restJson1_1ExportAssetToSignedUrlRequestDetails(
+        input.ExportAssetToSignedUrl,
+        context
+      )
+    }),
+    ...(input.ExportAssetsToS3 !== undefined && {
+      ExportAssetsToS3: serializeAws_restJson1_1ExportAssetsToS3RequestDetails(
+        input.ExportAssetsToS3,
+        context
+      )
+    }),
+    ...(input.ImportAssetFromSignedUrl !== undefined && {
+      ImportAssetFromSignedUrl: serializeAws_restJson1_1ImportAssetFromSignedUrlRequestDetails(
+        input.ImportAssetFromSignedUrl,
+        context
+      )
+    }),
+    ...(input.ImportAssetsFromS3 !== undefined && {
+      ImportAssetsFromS3: serializeAws_restJson1_1ImportAssetsFromS3RequestDetails(
+        input.ImportAssetsFromS3,
+        context
+      )
+    })
+  };
 };
 
 const deserializeAws_restJson1_1AssetDestinationEntry = (
diff --git a/clients/client-datasync/protocols/Aws_json1_1.ts b/clients/client-datasync/protocols/Aws_json1_1.ts
index 8af3b8468c19..86ede9fab305 100644
--- a/clients/client-datasync/protocols/Aws_json1_1.ts
+++ b/clients/client-datasync/protocols/Aws_json1_1.ts
@@ -2570,328 +2570,274 @@ const serializeAws_json1_1CancelTaskExecutionRequest = (
   input: CancelTaskExecutionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.TaskExecutionArn !== undefined) {
-    bodyParams["TaskExecutionArn"] = input.TaskExecutionArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.TaskExecutionArn !== undefined && {
+      TaskExecutionArn: input.TaskExecutionArn
+    })
+  };
 };
 
 const serializeAws_json1_1CreateAgentRequest = (
   input: CreateAgentRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ActivationKey !== undefined) {
-    bodyParams["ActivationKey"] = input.ActivationKey;
-  }
-  if (input.AgentName !== undefined) {
-    bodyParams["AgentName"] = input.AgentName;
-  }
-  if (input.SecurityGroupArns !== undefined) {
-    bodyParams[
-      "SecurityGroupArns"
-    ] = serializeAws_json1_1PLSecurityGroupArnList(
-      input.SecurityGroupArns,
-      context
-    );
-  }
-  if (input.SubnetArns !== undefined) {
-    bodyParams["SubnetArns"] = serializeAws_json1_1PLSubnetArnList(
-      input.SubnetArns,
-      context
-    );
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagList(input.Tags, context);
-  }
-  if (input.VpcEndpointId !== undefined) {
-    bodyParams["VpcEndpointId"] = input.VpcEndpointId;
-  }
-  return bodyParams;
+  return {
+    ...(input.ActivationKey !== undefined && {
+      ActivationKey: input.ActivationKey
+    }),
+    ...(input.AgentName !== undefined && { AgentName: input.AgentName }),
+    ...(input.SecurityGroupArns !== undefined && {
+      SecurityGroupArns: serializeAws_json1_1PLSecurityGroupArnList(
+        input.SecurityGroupArns,
+        context
+      )
+    }),
+    ...(input.SubnetArns !== undefined && {
+      SubnetArns: serializeAws_json1_1PLSubnetArnList(input.SubnetArns, context)
+    }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagList(input.Tags, context)
+    }),
+    ...(input.VpcEndpointId !== undefined && {
+      VpcEndpointId: input.VpcEndpointId
+    })
+  };
 };
 
 const serializeAws_json1_1CreateLocationEfsRequest = (
   input: CreateLocationEfsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Ec2Config !== undefined) {
-    bodyParams["Ec2Config"] = serializeAws_json1_1Ec2Config(
-      input.Ec2Config,
-      context
-    );
-  }
-  if (input.EfsFilesystemArn !== undefined) {
-    bodyParams["EfsFilesystemArn"] = input.EfsFilesystemArn;
-  }
-  if (input.Subdirectory !== undefined) {
-    bodyParams["Subdirectory"] = input.Subdirectory;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagList(input.Tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.Ec2Config !== undefined && {
+      Ec2Config: serializeAws_json1_1Ec2Config(input.Ec2Config, context)
+    }),
+    ...(input.EfsFilesystemArn !== undefined && {
+      EfsFilesystemArn: input.EfsFilesystemArn
+    }),
+    ...(input.Subdirectory !== undefined && {
+      Subdirectory: input.Subdirectory
+    }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagList(input.Tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1CreateLocationNfsRequest = (
   input: CreateLocationNfsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MountOptions !== undefined) {
-    bodyParams["MountOptions"] = serializeAws_json1_1NfsMountOptions(
-      input.MountOptions,
-      context
-    );
-  }
-  if (input.OnPremConfig !== undefined) {
-    bodyParams["OnPremConfig"] = serializeAws_json1_1OnPremConfig(
-      input.OnPremConfig,
-      context
-    );
-  }
-  if (input.ServerHostname !== undefined) {
-    bodyParams["ServerHostname"] = input.ServerHostname;
-  }
-  if (input.Subdirectory !== undefined) {
-    bodyParams["Subdirectory"] = input.Subdirectory;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagList(input.Tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.MountOptions !== undefined && {
+      MountOptions: serializeAws_json1_1NfsMountOptions(
+        input.MountOptions,
+        context
+      )
+    }),
+    ...(input.OnPremConfig !== undefined && {
+      OnPremConfig: serializeAws_json1_1OnPremConfig(
+        input.OnPremConfig,
+        context
+      )
+    }),
+    ...(input.ServerHostname !== undefined && {
+      ServerHostname: input.ServerHostname
+    }),
+    ...(input.Subdirectory !== undefined && {
+      Subdirectory: input.Subdirectory
+    }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagList(input.Tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1CreateLocationS3Request = (
   input: CreateLocationS3Request,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.S3BucketArn !== undefined) {
-    bodyParams["S3BucketArn"] = input.S3BucketArn;
-  }
-  if (input.S3Config !== undefined) {
-    bodyParams["S3Config"] = serializeAws_json1_1S3Config(
-      input.S3Config,
-      context
-    );
-  }
-  if (input.S3StorageClass !== undefined) {
-    bodyParams["S3StorageClass"] = input.S3StorageClass;
-  }
-  if (input.Subdirectory !== undefined) {
-    bodyParams["Subdirectory"] = input.Subdirectory;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagList(input.Tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.S3BucketArn !== undefined && { S3BucketArn: input.S3BucketArn }),
+    ...(input.S3Config !== undefined && {
+      S3Config: serializeAws_json1_1S3Config(input.S3Config, context)
+    }),
+    ...(input.S3StorageClass !== undefined && {
+      S3StorageClass: input.S3StorageClass
+    }),
+    ...(input.Subdirectory !== undefined && {
+      Subdirectory: input.Subdirectory
+    }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagList(input.Tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1CreateLocationSmbRequest = (
   input: CreateLocationSmbRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AgentArns !== undefined) {
-    bodyParams["AgentArns"] = serializeAws_json1_1AgentArnList(
-      input.AgentArns,
-      context
-    );
-  }
-  if (input.Domain !== undefined) {
-    bodyParams["Domain"] = input.Domain;
-  }
-  if (input.MountOptions !== undefined) {
-    bodyParams["MountOptions"] = serializeAws_json1_1SmbMountOptions(
-      input.MountOptions,
-      context
-    );
-  }
-  if (input.Password !== undefined) {
-    bodyParams["Password"] = input.Password;
-  }
-  if (input.ServerHostname !== undefined) {
-    bodyParams["ServerHostname"] = input.ServerHostname;
-  }
-  if (input.Subdirectory !== undefined) {
-    bodyParams["Subdirectory"] = input.Subdirectory;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagList(input.Tags, context);
-  }
-  if (input.User !== undefined) {
-    bodyParams["User"] = input.User;
-  }
-  return bodyParams;
+  return {
+    ...(input.AgentArns !== undefined && {
+      AgentArns: serializeAws_json1_1AgentArnList(input.AgentArns, context)
+    }),
+    ...(input.Domain !== undefined && { Domain: input.Domain }),
+    ...(input.MountOptions !== undefined && {
+      MountOptions: serializeAws_json1_1SmbMountOptions(
+        input.MountOptions,
+        context
+      )
+    }),
+    ...(input.Password !== undefined && { Password: input.Password }),
+    ...(input.ServerHostname !== undefined && {
+      ServerHostname: input.ServerHostname
+    }),
+    ...(input.Subdirectory !== undefined && {
+      Subdirectory: input.Subdirectory
+    }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagList(input.Tags, context)
+    }),
+    ...(input.User !== undefined && { User: input.User })
+  };
 };
 
 const serializeAws_json1_1CreateTaskRequest = (
   input: CreateTaskRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CloudWatchLogGroupArn !== undefined) {
-    bodyParams["CloudWatchLogGroupArn"] = input.CloudWatchLogGroupArn;
-  }
-  if (input.DestinationLocationArn !== undefined) {
-    bodyParams["DestinationLocationArn"] = input.DestinationLocationArn;
-  }
-  if (input.Excludes !== undefined) {
-    bodyParams["Excludes"] = serializeAws_json1_1FilterList(
-      input.Excludes,
-      context
-    );
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.Options !== undefined) {
-    bodyParams["Options"] = serializeAws_json1_1Options(input.Options, context);
-  }
-  if (input.Schedule !== undefined) {
-    bodyParams["Schedule"] = serializeAws_json1_1TaskSchedule(
-      input.Schedule,
-      context
-    );
-  }
-  if (input.SourceLocationArn !== undefined) {
-    bodyParams["SourceLocationArn"] = input.SourceLocationArn;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagList(input.Tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.CloudWatchLogGroupArn !== undefined && {
+      CloudWatchLogGroupArn: input.CloudWatchLogGroupArn
+    }),
+    ...(input.DestinationLocationArn !== undefined && {
+      DestinationLocationArn: input.DestinationLocationArn
+    }),
+    ...(input.Excludes !== undefined && {
+      Excludes: serializeAws_json1_1FilterList(input.Excludes, context)
+    }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.Options !== undefined && {
+      Options: serializeAws_json1_1Options(input.Options, context)
+    }),
+    ...(input.Schedule !== undefined && {
+      Schedule: serializeAws_json1_1TaskSchedule(input.Schedule, context)
+    }),
+    ...(input.SourceLocationArn !== undefined && {
+      SourceLocationArn: input.SourceLocationArn
+    }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagList(input.Tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteAgentRequest = (
   input: DeleteAgentRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AgentArn !== undefined) {
-    bodyParams["AgentArn"] = input.AgentArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.AgentArn !== undefined && { AgentArn: input.AgentArn })
+  };
 };
 
 const serializeAws_json1_1DeleteLocationRequest = (
   input: DeleteLocationRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.LocationArn !== undefined) {
-    bodyParams["LocationArn"] = input.LocationArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.LocationArn !== undefined && { LocationArn: input.LocationArn })
+  };
 };
 
 const serializeAws_json1_1DeleteTaskRequest = (
   input: DeleteTaskRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.TaskArn !== undefined) {
-    bodyParams["TaskArn"] = input.TaskArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.TaskArn !== undefined && { TaskArn: input.TaskArn })
+  };
 };
 
 const serializeAws_json1_1DescribeAgentRequest = (
   input: DescribeAgentRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AgentArn !== undefined) {
-    bodyParams["AgentArn"] = input.AgentArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.AgentArn !== undefined && { AgentArn: input.AgentArn })
+  };
 };
 
 const serializeAws_json1_1DescribeLocationEfsRequest = (
   input: DescribeLocationEfsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.LocationArn !== undefined) {
-    bodyParams["LocationArn"] = input.LocationArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.LocationArn !== undefined && { LocationArn: input.LocationArn })
+  };
 };
 
 const serializeAws_json1_1DescribeLocationNfsRequest = (
   input: DescribeLocationNfsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.LocationArn !== undefined) {
-    bodyParams["LocationArn"] = input.LocationArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.LocationArn !== undefined && { LocationArn: input.LocationArn })
+  };
 };
 
 const serializeAws_json1_1DescribeLocationS3Request = (
   input: DescribeLocationS3Request,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.LocationArn !== undefined) {
-    bodyParams["LocationArn"] = input.LocationArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.LocationArn !== undefined && { LocationArn: input.LocationArn })
+  };
 };
 
 const serializeAws_json1_1DescribeLocationSmbRequest = (
   input: DescribeLocationSmbRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.LocationArn !== undefined) {
-    bodyParams["LocationArn"] = input.LocationArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.LocationArn !== undefined && { LocationArn: input.LocationArn })
+  };
 };
 
 const serializeAws_json1_1DescribeTaskExecutionRequest = (
   input: DescribeTaskExecutionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.TaskExecutionArn !== undefined) {
-    bodyParams["TaskExecutionArn"] = input.TaskExecutionArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.TaskExecutionArn !== undefined && {
+      TaskExecutionArn: input.TaskExecutionArn
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeTaskRequest = (
   input: DescribeTaskRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.TaskArn !== undefined) {
-    bodyParams["TaskArn"] = input.TaskArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.TaskArn !== undefined && { TaskArn: input.TaskArn })
+  };
 };
 
 const serializeAws_json1_1Ec2Config = (
   input: Ec2Config,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.SecurityGroupArns !== undefined) {
-    bodyParams[
-      "SecurityGroupArns"
-    ] = serializeAws_json1_1Ec2SecurityGroupArnList(
-      input.SecurityGroupArns,
-      context
-    );
-  }
-  if (input.SubnetArn !== undefined) {
-    bodyParams["SubnetArn"] = input.SubnetArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.SecurityGroupArns !== undefined && {
+      SecurityGroupArns: serializeAws_json1_1Ec2SecurityGroupArnList(
+        input.SecurityGroupArns,
+        context
+      )
+    }),
+    ...(input.SubnetArn !== undefined && { SubnetArn: input.SubnetArn })
+  };
 };
 
 const serializeAws_json1_1Ec2SecurityGroupArnList = (
@@ -2912,156 +2858,113 @@ const serializeAws_json1_1FilterRule = (
   input: FilterRule,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.FilterType !== undefined) {
-    bodyParams["FilterType"] = input.FilterType;
-  }
-  if (input.Value !== undefined) {
-    bodyParams["Value"] = input.Value;
-  }
-  return bodyParams;
+  return {
+    ...(input.FilterType !== undefined && { FilterType: input.FilterType }),
+    ...(input.Value !== undefined && { Value: input.Value })
+  };
 };
 
 const serializeAws_json1_1ListAgentsRequest = (
   input: ListAgentsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1ListLocationsRequest = (
   input: ListLocationsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1ListTagsForResourceRequest = (
   input: ListTagsForResourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.ResourceArn !== undefined) {
-    bodyParams["ResourceArn"] = input.ResourceArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.ResourceArn !== undefined && { ResourceArn: input.ResourceArn })
+  };
 };
 
 const serializeAws_json1_1ListTaskExecutionsRequest = (
   input: ListTaskExecutionsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.TaskArn !== undefined) {
-    bodyParams["TaskArn"] = input.TaskArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.TaskArn !== undefined && { TaskArn: input.TaskArn })
+  };
 };
 
 const serializeAws_json1_1ListTasksRequest = (
   input: ListTasksRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1NfsMountOptions = (
   input: NfsMountOptions,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Version !== undefined) {
-    bodyParams["Version"] = input.Version;
-  }
-  return bodyParams;
+  return {
+    ...(input.Version !== undefined && { Version: input.Version })
+  };
 };
 
 const serializeAws_json1_1OnPremConfig = (
   input: OnPremConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AgentArns !== undefined) {
-    bodyParams["AgentArns"] = serializeAws_json1_1AgentArnList(
-      input.AgentArns,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.AgentArns !== undefined && {
+      AgentArns: serializeAws_json1_1AgentArnList(input.AgentArns, context)
+    })
+  };
 };
 
 const serializeAws_json1_1Options = (
   input: Options,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Atime !== undefined) {
-    bodyParams["Atime"] = input.Atime;
-  }
-  if (input.BytesPerSecond !== undefined) {
-    bodyParams["BytesPerSecond"] = input.BytesPerSecond;
-  }
-  if (input.Gid !== undefined) {
-    bodyParams["Gid"] = input.Gid;
-  }
-  if (input.Mtime !== undefined) {
-    bodyParams["Mtime"] = input.Mtime;
-  }
-  if (input.OverwriteMode !== undefined) {
-    bodyParams["OverwriteMode"] = input.OverwriteMode;
-  }
-  if (input.PosixPermissions !== undefined) {
-    bodyParams["PosixPermissions"] = input.PosixPermissions;
-  }
-  if (input.PreserveDeletedFiles !== undefined) {
-    bodyParams["PreserveDeletedFiles"] = input.PreserveDeletedFiles;
-  }
-  if (input.PreserveDevices !== undefined) {
-    bodyParams["PreserveDevices"] = input.PreserveDevices;
-  }
-  if (input.TaskQueueing !== undefined) {
-    bodyParams["TaskQueueing"] = input.TaskQueueing;
-  }
-  if (input.Uid !== undefined) {
-    bodyParams["Uid"] = input.Uid;
-  }
-  if (input.VerifyMode !== undefined) {
-    bodyParams["VerifyMode"] = input.VerifyMode;
-  }
-  return bodyParams;
+  return {
+    ...(input.Atime !== undefined && { Atime: input.Atime }),
+    ...(input.BytesPerSecond !== undefined && {
+      BytesPerSecond: input.BytesPerSecond
+    }),
+    ...(input.Gid !== undefined && { Gid: input.Gid }),
+    ...(input.Mtime !== undefined && { Mtime: input.Mtime }),
+    ...(input.OverwriteMode !== undefined && {
+      OverwriteMode: input.OverwriteMode
+    }),
+    ...(input.PosixPermissions !== undefined && {
+      PosixPermissions: input.PosixPermissions
+    }),
+    ...(input.PreserveDeletedFiles !== undefined && {
+      PreserveDeletedFiles: input.PreserveDeletedFiles
+    }),
+    ...(input.PreserveDevices !== undefined && {
+      PreserveDevices: input.PreserveDevices
+    }),
+    ...(input.TaskQueueing !== undefined && {
+      TaskQueueing: input.TaskQueueing
+    }),
+    ...(input.Uid !== undefined && { Uid: input.Uid }),
+    ...(input.VerifyMode !== undefined && { VerifyMode: input.VerifyMode })
+  };
 };
 
 const serializeAws_json1_1PLSecurityGroupArnList = (
@@ -3082,45 +2985,38 @@ const serializeAws_json1_1S3Config = (
   input: S3Config,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.BucketAccessRoleArn !== undefined) {
-    bodyParams["BucketAccessRoleArn"] = input.BucketAccessRoleArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.BucketAccessRoleArn !== undefined && {
+      BucketAccessRoleArn: input.BucketAccessRoleArn
+    })
+  };
 };
 
 const serializeAws_json1_1SmbMountOptions = (
   input: SmbMountOptions,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Version !== undefined) {
-    bodyParams["Version"] = input.Version;
-  }
-  return bodyParams;
+  return {
+    ...(input.Version !== undefined && { Version: input.Version })
+  };
 };
 
 const serializeAws_json1_1StartTaskExecutionRequest = (
   input: StartTaskExecutionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Includes !== undefined) {
-    bodyParams["Includes"] = serializeAws_json1_1FilterList(
-      input.Includes,
-      context
-    );
-  }
-  if (input.OverrideOptions !== undefined) {
-    bodyParams["OverrideOptions"] = serializeAws_json1_1Options(
-      input.OverrideOptions,
-      context
-    );
-  }
-  if (input.TaskArn !== undefined) {
-    bodyParams["TaskArn"] = input.TaskArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.Includes !== undefined && {
+      Includes: serializeAws_json1_1FilterList(input.Includes, context)
+    }),
+    ...(input.OverrideOptions !== undefined && {
+      OverrideOptions: serializeAws_json1_1Options(
+        input.OverrideOptions,
+        context
+      )
+    }),
+    ...(input.TaskArn !== undefined && { TaskArn: input.TaskArn })
+  };
 };
 
 const serializeAws_json1_1TagKeyList = (
@@ -3141,99 +3037,77 @@ const serializeAws_json1_1TagListEntry = (
   input: TagListEntry,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Key !== undefined) {
-    bodyParams["Key"] = input.Key;
-  }
-  if (input.Value !== undefined) {
-    bodyParams["Value"] = input.Value;
-  }
-  return bodyParams;
+  return {
+    ...(input.Key !== undefined && { Key: input.Key }),
+    ...(input.Value !== undefined && { Value: input.Value })
+  };
 };
 
 const serializeAws_json1_1TagResourceRequest = (
   input: TagResourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceArn !== undefined) {
-    bodyParams["ResourceArn"] = input.ResourceArn;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagList(input.Tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceArn !== undefined && { ResourceArn: input.ResourceArn }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagList(input.Tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1TaskSchedule = (
   input: TaskSchedule,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ScheduleExpression !== undefined) {
-    bodyParams["ScheduleExpression"] = input.ScheduleExpression;
-  }
-  return bodyParams;
+  return {
+    ...(input.ScheduleExpression !== undefined && {
+      ScheduleExpression: input.ScheduleExpression
+    })
+  };
 };
 
 const serializeAws_json1_1UntagResourceRequest = (
   input: UntagResourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Keys !== undefined) {
-    bodyParams["Keys"] = serializeAws_json1_1TagKeyList(input.Keys, context);
-  }
-  if (input.ResourceArn !== undefined) {
-    bodyParams["ResourceArn"] = input.ResourceArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.Keys !== undefined && {
+      Keys: serializeAws_json1_1TagKeyList(input.Keys, context)
+    }),
+    ...(input.ResourceArn !== undefined && { ResourceArn: input.ResourceArn })
+  };
 };
 
 const serializeAws_json1_1UpdateAgentRequest = (
   input: UpdateAgentRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AgentArn !== undefined) {
-    bodyParams["AgentArn"] = input.AgentArn;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.AgentArn !== undefined && { AgentArn: input.AgentArn }),
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1UpdateTaskRequest = (
   input: UpdateTaskRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CloudWatchLogGroupArn !== undefined) {
-    bodyParams["CloudWatchLogGroupArn"] = input.CloudWatchLogGroupArn;
-  }
-  if (input.Excludes !== undefined) {
-    bodyParams["Excludes"] = serializeAws_json1_1FilterList(
-      input.Excludes,
-      context
-    );
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.Options !== undefined) {
-    bodyParams["Options"] = serializeAws_json1_1Options(input.Options, context);
-  }
-  if (input.Schedule !== undefined) {
-    bodyParams["Schedule"] = serializeAws_json1_1TaskSchedule(
-      input.Schedule,
-      context
-    );
-  }
-  if (input.TaskArn !== undefined) {
-    bodyParams["TaskArn"] = input.TaskArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.CloudWatchLogGroupArn !== undefined && {
+      CloudWatchLogGroupArn: input.CloudWatchLogGroupArn
+    }),
+    ...(input.Excludes !== undefined && {
+      Excludes: serializeAws_json1_1FilterList(input.Excludes, context)
+    }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.Options !== undefined && {
+      Options: serializeAws_json1_1Options(input.Options, context)
+    }),
+    ...(input.Schedule !== undefined && {
+      Schedule: serializeAws_json1_1TaskSchedule(input.Schedule, context)
+    }),
+    ...(input.TaskArn !== undefined && { TaskArn: input.TaskArn })
+  };
 };
 
 const deserializeAws_json1_1AgentArnList = (
diff --git a/clients/client-dax/protocols/Aws_json1_1.ts b/clients/client-dax/protocols/Aws_json1_1.ts
index 10114c74b974..1c4b323494db 100644
--- a/clients/client-dax/protocols/Aws_json1_1.ts
+++ b/clients/client-dax/protocols/Aws_json1_1.ts
@@ -3314,296 +3314,242 @@ const serializeAws_json1_1CreateClusterRequest = (
   input: CreateClusterRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AvailabilityZones !== undefined) {
-    bodyParams["AvailabilityZones"] = serializeAws_json1_1AvailabilityZoneList(
-      input.AvailabilityZones,
-      context
-    );
-  }
-  if (input.ClusterName !== undefined) {
-    bodyParams["ClusterName"] = input.ClusterName;
-  }
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.IamRoleArn !== undefined) {
-    bodyParams["IamRoleArn"] = input.IamRoleArn;
-  }
-  if (input.NodeType !== undefined) {
-    bodyParams["NodeType"] = input.NodeType;
-  }
-  if (input.NotificationTopicArn !== undefined) {
-    bodyParams["NotificationTopicArn"] = input.NotificationTopicArn;
-  }
-  if (input.ParameterGroupName !== undefined) {
-    bodyParams["ParameterGroupName"] = input.ParameterGroupName;
-  }
-  if (input.PreferredMaintenanceWindow !== undefined) {
-    bodyParams["PreferredMaintenanceWindow"] = input.PreferredMaintenanceWindow;
-  }
-  if (input.ReplicationFactor !== undefined) {
-    bodyParams["ReplicationFactor"] = input.ReplicationFactor;
-  }
-  if (input.SSESpecification !== undefined) {
-    bodyParams["SSESpecification"] = serializeAws_json1_1SSESpecification(
-      input.SSESpecification,
-      context
-    );
-  }
-  if (input.SecurityGroupIds !== undefined) {
-    bodyParams[
-      "SecurityGroupIds"
-    ] = serializeAws_json1_1SecurityGroupIdentifierList(
-      input.SecurityGroupIds,
-      context
-    );
-  }
-  if (input.SubnetGroupName !== undefined) {
-    bodyParams["SubnetGroupName"] = input.SubnetGroupName;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagList(input.Tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.AvailabilityZones !== undefined && {
+      AvailabilityZones: serializeAws_json1_1AvailabilityZoneList(
+        input.AvailabilityZones,
+        context
+      )
+    }),
+    ...(input.ClusterName !== undefined && { ClusterName: input.ClusterName }),
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.IamRoleArn !== undefined && { IamRoleArn: input.IamRoleArn }),
+    ...(input.NodeType !== undefined && { NodeType: input.NodeType }),
+    ...(input.NotificationTopicArn !== undefined && {
+      NotificationTopicArn: input.NotificationTopicArn
+    }),
+    ...(input.ParameterGroupName !== undefined && {
+      ParameterGroupName: input.ParameterGroupName
+    }),
+    ...(input.PreferredMaintenanceWindow !== undefined && {
+      PreferredMaintenanceWindow: input.PreferredMaintenanceWindow
+    }),
+    ...(input.ReplicationFactor !== undefined && {
+      ReplicationFactor: input.ReplicationFactor
+    }),
+    ...(input.SSESpecification !== undefined && {
+      SSESpecification: serializeAws_json1_1SSESpecification(
+        input.SSESpecification,
+        context
+      )
+    }),
+    ...(input.SecurityGroupIds !== undefined && {
+      SecurityGroupIds: serializeAws_json1_1SecurityGroupIdentifierList(
+        input.SecurityGroupIds,
+        context
+      )
+    }),
+    ...(input.SubnetGroupName !== undefined && {
+      SubnetGroupName: input.SubnetGroupName
+    }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagList(input.Tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1CreateParameterGroupRequest = (
   input: CreateParameterGroupRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.ParameterGroupName !== undefined) {
-    bodyParams["ParameterGroupName"] = input.ParameterGroupName;
-  }
-  return bodyParams;
+  return {
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.ParameterGroupName !== undefined && {
+      ParameterGroupName: input.ParameterGroupName
+    })
+  };
 };
 
 const serializeAws_json1_1CreateSubnetGroupRequest = (
   input: CreateSubnetGroupRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.SubnetGroupName !== undefined) {
-    bodyParams["SubnetGroupName"] = input.SubnetGroupName;
-  }
-  if (input.SubnetIds !== undefined) {
-    bodyParams["SubnetIds"] = serializeAws_json1_1SubnetIdentifierList(
-      input.SubnetIds,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.SubnetGroupName !== undefined && {
+      SubnetGroupName: input.SubnetGroupName
+    }),
+    ...(input.SubnetIds !== undefined && {
+      SubnetIds: serializeAws_json1_1SubnetIdentifierList(
+        input.SubnetIds,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1DecreaseReplicationFactorRequest = (
   input: DecreaseReplicationFactorRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AvailabilityZones !== undefined) {
-    bodyParams["AvailabilityZones"] = serializeAws_json1_1AvailabilityZoneList(
-      input.AvailabilityZones,
-      context
-    );
-  }
-  if (input.ClusterName !== undefined) {
-    bodyParams["ClusterName"] = input.ClusterName;
-  }
-  if (input.NewReplicationFactor !== undefined) {
-    bodyParams["NewReplicationFactor"] = input.NewReplicationFactor;
-  }
-  if (input.NodeIdsToRemove !== undefined) {
-    bodyParams["NodeIdsToRemove"] = serializeAws_json1_1NodeIdentifierList(
-      input.NodeIdsToRemove,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.AvailabilityZones !== undefined && {
+      AvailabilityZones: serializeAws_json1_1AvailabilityZoneList(
+        input.AvailabilityZones,
+        context
+      )
+    }),
+    ...(input.ClusterName !== undefined && { ClusterName: input.ClusterName }),
+    ...(input.NewReplicationFactor !== undefined && {
+      NewReplicationFactor: input.NewReplicationFactor
+    }),
+    ...(input.NodeIdsToRemove !== undefined && {
+      NodeIdsToRemove: serializeAws_json1_1NodeIdentifierList(
+        input.NodeIdsToRemove,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteClusterRequest = (
   input: DeleteClusterRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ClusterName !== undefined) {
-    bodyParams["ClusterName"] = input.ClusterName;
-  }
-  return bodyParams;
+  return {
+    ...(input.ClusterName !== undefined && { ClusterName: input.ClusterName })
+  };
 };
 
 const serializeAws_json1_1DeleteParameterGroupRequest = (
   input: DeleteParameterGroupRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ParameterGroupName !== undefined) {
-    bodyParams["ParameterGroupName"] = input.ParameterGroupName;
-  }
-  return bodyParams;
+  return {
+    ...(input.ParameterGroupName !== undefined && {
+      ParameterGroupName: input.ParameterGroupName
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteSubnetGroupRequest = (
   input: DeleteSubnetGroupRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.SubnetGroupName !== undefined) {
-    bodyParams["SubnetGroupName"] = input.SubnetGroupName;
-  }
-  return bodyParams;
+  return {
+    ...(input.SubnetGroupName !== undefined && {
+      SubnetGroupName: input.SubnetGroupName
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeClustersRequest = (
   input: DescribeClustersRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ClusterNames !== undefined) {
-    bodyParams["ClusterNames"] = serializeAws_json1_1ClusterNameList(
-      input.ClusterNames,
-      context
-    );
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.ClusterNames !== undefined && {
+      ClusterNames: serializeAws_json1_1ClusterNameList(
+        input.ClusterNames,
+        context
+      )
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1DescribeDefaultParametersRequest = (
   input: DescribeDefaultParametersRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1DescribeEventsRequest = (
   input: DescribeEventsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Duration !== undefined) {
-    bodyParams["Duration"] = input.Duration;
-  }
-  if (input.EndTime !== undefined) {
-    bodyParams["EndTime"] = Math.round(input.EndTime.getTime() / 1000);
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.SourceName !== undefined) {
-    bodyParams["SourceName"] = input.SourceName;
-  }
-  if (input.SourceType !== undefined) {
-    bodyParams["SourceType"] = input.SourceType;
-  }
-  if (input.StartTime !== undefined) {
-    bodyParams["StartTime"] = Math.round(input.StartTime.getTime() / 1000);
-  }
-  return bodyParams;
+  return {
+    ...(input.Duration !== undefined && { Duration: input.Duration }),
+    ...(input.EndTime !== undefined && {
+      EndTime: Math.round(input.EndTime.getTime() / 1000)
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.SourceName !== undefined && { SourceName: input.SourceName }),
+    ...(input.SourceType !== undefined && { SourceType: input.SourceType }),
+    ...(input.StartTime !== undefined && {
+      StartTime: Math.round(input.StartTime.getTime() / 1000)
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeParameterGroupsRequest = (
   input: DescribeParameterGroupsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.ParameterGroupNames !== undefined) {
-    bodyParams[
-      "ParameterGroupNames"
-    ] = serializeAws_json1_1ParameterGroupNameList(
-      input.ParameterGroupNames,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.ParameterGroupNames !== undefined && {
+      ParameterGroupNames: serializeAws_json1_1ParameterGroupNameList(
+        input.ParameterGroupNames,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeParametersRequest = (
   input: DescribeParametersRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.ParameterGroupName !== undefined) {
-    bodyParams["ParameterGroupName"] = input.ParameterGroupName;
-  }
-  if (input.Source !== undefined) {
-    bodyParams["Source"] = input.Source;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.ParameterGroupName !== undefined && {
+      ParameterGroupName: input.ParameterGroupName
+    }),
+    ...(input.Source !== undefined && { Source: input.Source })
+  };
 };
 
 const serializeAws_json1_1DescribeSubnetGroupsRequest = (
   input: DescribeSubnetGroupsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.SubnetGroupNames !== undefined) {
-    bodyParams["SubnetGroupNames"] = serializeAws_json1_1SubnetGroupNameList(
-      input.SubnetGroupNames,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.SubnetGroupNames !== undefined && {
+      SubnetGroupNames: serializeAws_json1_1SubnetGroupNameList(
+        input.SubnetGroupNames,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1IncreaseReplicationFactorRequest = (
   input: IncreaseReplicationFactorRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AvailabilityZones !== undefined) {
-    bodyParams["AvailabilityZones"] = serializeAws_json1_1AvailabilityZoneList(
-      input.AvailabilityZones,
-      context
-    );
-  }
-  if (input.ClusterName !== undefined) {
-    bodyParams["ClusterName"] = input.ClusterName;
-  }
-  if (input.NewReplicationFactor !== undefined) {
-    bodyParams["NewReplicationFactor"] = input.NewReplicationFactor;
-  }
-  return bodyParams;
+  return {
+    ...(input.AvailabilityZones !== undefined && {
+      AvailabilityZones: serializeAws_json1_1AvailabilityZoneList(
+        input.AvailabilityZones,
+        context
+      )
+    }),
+    ...(input.ClusterName !== undefined && { ClusterName: input.ClusterName }),
+    ...(input.NewReplicationFactor !== undefined && {
+      NewReplicationFactor: input.NewReplicationFactor
+    })
+  };
 };
 
 const serializeAws_json1_1KeyList = (
@@ -3617,14 +3563,12 @@ const serializeAws_json1_1ListTagsRequest = (
   input: ListTagsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.ResourceName !== undefined) {
-    bodyParams["ResourceName"] = input.ResourceName;
-  }
-  return bodyParams;
+  return {
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.ResourceName !== undefined && {
+      ResourceName: input.ResourceName
+    })
+  };
 };
 
 const serializeAws_json1_1NodeIdentifierList = (
@@ -3645,14 +3589,14 @@ const serializeAws_json1_1ParameterNameValue = (
   input: ParameterNameValue,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ParameterName !== undefined) {
-    bodyParams["ParameterName"] = input.ParameterName;
-  }
-  if (input.ParameterValue !== undefined) {
-    bodyParams["ParameterValue"] = input.ParameterValue;
-  }
-  return bodyParams;
+  return {
+    ...(input.ParameterName !== undefined && {
+      ParameterName: input.ParameterName
+    }),
+    ...(input.ParameterValue !== undefined && {
+      ParameterValue: input.ParameterValue
+    })
+  };
 };
 
 const serializeAws_json1_1ParameterNameValueList = (
@@ -3668,25 +3612,19 @@ const serializeAws_json1_1RebootNodeRequest = (
   input: RebootNodeRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ClusterName !== undefined) {
-    bodyParams["ClusterName"] = input.ClusterName;
-  }
-  if (input.NodeId !== undefined) {
-    bodyParams["NodeId"] = input.NodeId;
-  }
-  return bodyParams;
+  return {
+    ...(input.ClusterName !== undefined && { ClusterName: input.ClusterName }),
+    ...(input.NodeId !== undefined && { NodeId: input.NodeId })
+  };
 };
 
 const serializeAws_json1_1SSESpecification = (
   input: SSESpecification,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Enabled !== undefined) {
-    bodyParams["Enabled"] = input.Enabled;
-  }
-  return bodyParams;
+  return {
+    ...(input.Enabled !== undefined && { Enabled: input.Enabled })
+  };
 };
 
 const serializeAws_json1_1SecurityGroupIdentifierList = (
@@ -3711,14 +3649,10 @@ const serializeAws_json1_1SubnetIdentifierList = (
 };
 
 const serializeAws_json1_1Tag = (input: Tag, context: __SerdeContext): any => {
-  const bodyParams: any = {};
-  if (input.Key !== undefined) {
-    bodyParams["Key"] = input.Key;
-  }
-  if (input.Value !== undefined) {
-    bodyParams["Value"] = input.Value;
-  }
-  return bodyParams;
+  return {
+    ...(input.Key !== undefined && { Key: input.Key }),
+    ...(input.Value !== undefined && { Value: input.Value })
+  };
 };
 
 const serializeAws_json1_1TagList = (
@@ -3732,101 +3666,91 @@ const serializeAws_json1_1TagResourceRequest = (
   input: TagResourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceName !== undefined) {
-    bodyParams["ResourceName"] = input.ResourceName;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagList(input.Tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceName !== undefined && {
+      ResourceName: input.ResourceName
+    }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagList(input.Tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1UntagResourceRequest = (
   input: UntagResourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceName !== undefined) {
-    bodyParams["ResourceName"] = input.ResourceName;
-  }
-  if (input.TagKeys !== undefined) {
-    bodyParams["TagKeys"] = serializeAws_json1_1KeyList(input.TagKeys, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceName !== undefined && {
+      ResourceName: input.ResourceName
+    }),
+    ...(input.TagKeys !== undefined && {
+      TagKeys: serializeAws_json1_1KeyList(input.TagKeys, context)
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateClusterRequest = (
   input: UpdateClusterRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ClusterName !== undefined) {
-    bodyParams["ClusterName"] = input.ClusterName;
-  }
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.NotificationTopicArn !== undefined) {
-    bodyParams["NotificationTopicArn"] = input.NotificationTopicArn;
-  }
-  if (input.NotificationTopicStatus !== undefined) {
-    bodyParams["NotificationTopicStatus"] = input.NotificationTopicStatus;
-  }
-  if (input.ParameterGroupName !== undefined) {
-    bodyParams["ParameterGroupName"] = input.ParameterGroupName;
-  }
-  if (input.PreferredMaintenanceWindow !== undefined) {
-    bodyParams["PreferredMaintenanceWindow"] = input.PreferredMaintenanceWindow;
-  }
-  if (input.SecurityGroupIds !== undefined) {
-    bodyParams[
-      "SecurityGroupIds"
-    ] = serializeAws_json1_1SecurityGroupIdentifierList(
-      input.SecurityGroupIds,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ClusterName !== undefined && { ClusterName: input.ClusterName }),
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.NotificationTopicArn !== undefined && {
+      NotificationTopicArn: input.NotificationTopicArn
+    }),
+    ...(input.NotificationTopicStatus !== undefined && {
+      NotificationTopicStatus: input.NotificationTopicStatus
+    }),
+    ...(input.ParameterGroupName !== undefined && {
+      ParameterGroupName: input.ParameterGroupName
+    }),
+    ...(input.PreferredMaintenanceWindow !== undefined && {
+      PreferredMaintenanceWindow: input.PreferredMaintenanceWindow
+    }),
+    ...(input.SecurityGroupIds !== undefined && {
+      SecurityGroupIds: serializeAws_json1_1SecurityGroupIdentifierList(
+        input.SecurityGroupIds,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateParameterGroupRequest = (
   input: UpdateParameterGroupRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ParameterGroupName !== undefined) {
-    bodyParams["ParameterGroupName"] = input.ParameterGroupName;
-  }
-  if (input.ParameterNameValues !== undefined) {
-    bodyParams[
-      "ParameterNameValues"
-    ] = serializeAws_json1_1ParameterNameValueList(
-      input.ParameterNameValues,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ParameterGroupName !== undefined && {
+      ParameterGroupName: input.ParameterGroupName
+    }),
+    ...(input.ParameterNameValues !== undefined && {
+      ParameterNameValues: serializeAws_json1_1ParameterNameValueList(
+        input.ParameterNameValues,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateSubnetGroupRequest = (
   input: UpdateSubnetGroupRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.SubnetGroupName !== undefined) {
-    bodyParams["SubnetGroupName"] = input.SubnetGroupName;
-  }
-  if (input.SubnetIds !== undefined) {
-    bodyParams["SubnetIds"] = serializeAws_json1_1SubnetIdentifierList(
-      input.SubnetIds,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.SubnetGroupName !== undefined && {
+      SubnetGroupName: input.SubnetGroupName
+    }),
+    ...(input.SubnetIds !== undefined && {
+      SubnetIds: serializeAws_json1_1SubnetIdentifierList(
+        input.SubnetIds,
+        context
+      )
+    })
+  };
 };
 
 const deserializeAws_json1_1InvalidParameterCombinationException = (
diff --git a/clients/client-detective/protocols/Aws_restJson1_1.ts b/clients/client-detective/protocols/Aws_restJson1_1.ts
index 32ca3d611748..77d38df0fbe3 100644
--- a/clients/client-detective/protocols/Aws_restJson1_1.ts
+++ b/clients/client-detective/protocols/Aws_restJson1_1.ts
@@ -1434,14 +1434,12 @@ const serializeAws_restJson1_1Account = (
   input: Account,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AccountId !== undefined) {
-    bodyParams["AccountId"] = input.AccountId;
-  }
-  if (input.EmailAddress !== undefined) {
-    bodyParams["EmailAddress"] = input.EmailAddress;
-  }
-  return bodyParams;
+  return {
+    ...(input.AccountId !== undefined && { AccountId: input.AccountId }),
+    ...(input.EmailAddress !== undefined && {
+      EmailAddress: input.EmailAddress
+    })
+  };
 };
 
 const serializeAws_restJson1_1AccountIdList = (
diff --git a/clients/client-device-farm/protocols/Aws_json1_1.ts b/clients/client-device-farm/protocols/Aws_json1_1.ts
index ae1b0b1f45fd..cf1a13c396c4 100644
--- a/clients/client-device-farm/protocols/Aws_json1_1.ts
+++ b/clients/client-device-farm/protocols/Aws_json1_1.ts
@@ -9083,391 +9083,310 @@ const serializeAws_json1_1CreateDevicePoolRequest = (
   input: CreateDevicePoolRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.description !== undefined) {
-    bodyParams["description"] = input.description;
-  }
-  if (input.maxDevices !== undefined) {
-    bodyParams["maxDevices"] = input.maxDevices;
-  }
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  if (input.projectArn !== undefined) {
-    bodyParams["projectArn"] = input.projectArn;
-  }
-  if (input.rules !== undefined) {
-    bodyParams["rules"] = serializeAws_json1_1Rules(input.rules, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.description !== undefined && { description: input.description }),
+    ...(input.maxDevices !== undefined && { maxDevices: input.maxDevices }),
+    ...(input.name !== undefined && { name: input.name }),
+    ...(input.projectArn !== undefined && { projectArn: input.projectArn }),
+    ...(input.rules !== undefined && {
+      rules: serializeAws_json1_1Rules(input.rules, context)
+    })
+  };
 };
 
 const serializeAws_json1_1CreateInstanceProfileRequest = (
   input: CreateInstanceProfileRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.description !== undefined) {
-    bodyParams["description"] = input.description;
-  }
-  if (input.excludeAppPackagesFromCleanup !== undefined) {
-    bodyParams[
-      "excludeAppPackagesFromCleanup"
-    ] = serializeAws_json1_1PackageIds(
-      input.excludeAppPackagesFromCleanup,
-      context
-    );
-  }
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  if (input.packageCleanup !== undefined) {
-    bodyParams["packageCleanup"] = input.packageCleanup;
-  }
-  if (input.rebootAfterUse !== undefined) {
-    bodyParams["rebootAfterUse"] = input.rebootAfterUse;
-  }
-  return bodyParams;
+  return {
+    ...(input.description !== undefined && { description: input.description }),
+    ...(input.excludeAppPackagesFromCleanup !== undefined && {
+      excludeAppPackagesFromCleanup: serializeAws_json1_1PackageIds(
+        input.excludeAppPackagesFromCleanup,
+        context
+      )
+    }),
+    ...(input.name !== undefined && { name: input.name }),
+    ...(input.packageCleanup !== undefined && {
+      packageCleanup: input.packageCleanup
+    }),
+    ...(input.rebootAfterUse !== undefined && {
+      rebootAfterUse: input.rebootAfterUse
+    })
+  };
 };
 
 const serializeAws_json1_1CreateNetworkProfileRequest = (
   input: CreateNetworkProfileRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.description !== undefined) {
-    bodyParams["description"] = input.description;
-  }
-  if (input.downlinkBandwidthBits !== undefined) {
-    bodyParams["downlinkBandwidthBits"] = input.downlinkBandwidthBits;
-  }
-  if (input.downlinkDelayMs !== undefined) {
-    bodyParams["downlinkDelayMs"] = input.downlinkDelayMs;
-  }
-  if (input.downlinkJitterMs !== undefined) {
-    bodyParams["downlinkJitterMs"] = input.downlinkJitterMs;
-  }
-  if (input.downlinkLossPercent !== undefined) {
-    bodyParams["downlinkLossPercent"] = input.downlinkLossPercent;
-  }
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  if (input.projectArn !== undefined) {
-    bodyParams["projectArn"] = input.projectArn;
-  }
-  if (input.type !== undefined) {
-    bodyParams["type"] = input.type;
-  }
-  if (input.uplinkBandwidthBits !== undefined) {
-    bodyParams["uplinkBandwidthBits"] = input.uplinkBandwidthBits;
-  }
-  if (input.uplinkDelayMs !== undefined) {
-    bodyParams["uplinkDelayMs"] = input.uplinkDelayMs;
-  }
-  if (input.uplinkJitterMs !== undefined) {
-    bodyParams["uplinkJitterMs"] = input.uplinkJitterMs;
-  }
-  if (input.uplinkLossPercent !== undefined) {
-    bodyParams["uplinkLossPercent"] = input.uplinkLossPercent;
-  }
-  return bodyParams;
+  return {
+    ...(input.description !== undefined && { description: input.description }),
+    ...(input.downlinkBandwidthBits !== undefined && {
+      downlinkBandwidthBits: input.downlinkBandwidthBits
+    }),
+    ...(input.downlinkDelayMs !== undefined && {
+      downlinkDelayMs: input.downlinkDelayMs
+    }),
+    ...(input.downlinkJitterMs !== undefined && {
+      downlinkJitterMs: input.downlinkJitterMs
+    }),
+    ...(input.downlinkLossPercent !== undefined && {
+      downlinkLossPercent: input.downlinkLossPercent
+    }),
+    ...(input.name !== undefined && { name: input.name }),
+    ...(input.projectArn !== undefined && { projectArn: input.projectArn }),
+    ...(input.type !== undefined && { type: input.type }),
+    ...(input.uplinkBandwidthBits !== undefined && {
+      uplinkBandwidthBits: input.uplinkBandwidthBits
+    }),
+    ...(input.uplinkDelayMs !== undefined && {
+      uplinkDelayMs: input.uplinkDelayMs
+    }),
+    ...(input.uplinkJitterMs !== undefined && {
+      uplinkJitterMs: input.uplinkJitterMs
+    }),
+    ...(input.uplinkLossPercent !== undefined && {
+      uplinkLossPercent: input.uplinkLossPercent
+    })
+  };
 };
 
 const serializeAws_json1_1CreateProjectRequest = (
   input: CreateProjectRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.defaultJobTimeoutMinutes !== undefined) {
-    bodyParams["defaultJobTimeoutMinutes"] = input.defaultJobTimeoutMinutes;
-  }
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  return bodyParams;
+  return {
+    ...(input.defaultJobTimeoutMinutes !== undefined && {
+      defaultJobTimeoutMinutes: input.defaultJobTimeoutMinutes
+    }),
+    ...(input.name !== undefined && { name: input.name })
+  };
 };
 
 const serializeAws_json1_1CreateRemoteAccessSessionConfiguration = (
   input: CreateRemoteAccessSessionConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.billingMethod !== undefined) {
-    bodyParams["billingMethod"] = input.billingMethod;
-  }
-  if (input.vpceConfigurationArns !== undefined) {
-    bodyParams[
-      "vpceConfigurationArns"
-    ] = serializeAws_json1_1AmazonResourceNames(
-      input.vpceConfigurationArns,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.billingMethod !== undefined && {
+      billingMethod: input.billingMethod
+    }),
+    ...(input.vpceConfigurationArns !== undefined && {
+      vpceConfigurationArns: serializeAws_json1_1AmazonResourceNames(
+        input.vpceConfigurationArns,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1CreateRemoteAccessSessionRequest = (
   input: CreateRemoteAccessSessionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.clientId !== undefined) {
-    bodyParams["clientId"] = input.clientId;
-  }
-  if (input.configuration !== undefined) {
-    bodyParams[
-      "configuration"
-    ] = serializeAws_json1_1CreateRemoteAccessSessionConfiguration(
-      input.configuration,
-      context
-    );
-  }
-  if (input.deviceArn !== undefined) {
-    bodyParams["deviceArn"] = input.deviceArn;
-  }
-  if (input.instanceArn !== undefined) {
-    bodyParams["instanceArn"] = input.instanceArn;
-  }
-  if (input.interactionMode !== undefined) {
-    bodyParams["interactionMode"] = input.interactionMode;
-  }
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  if (input.projectArn !== undefined) {
-    bodyParams["projectArn"] = input.projectArn;
-  }
-  if (input.remoteDebugEnabled !== undefined) {
-    bodyParams["remoteDebugEnabled"] = input.remoteDebugEnabled;
-  }
-  if (input.remoteRecordAppArn !== undefined) {
-    bodyParams["remoteRecordAppArn"] = input.remoteRecordAppArn;
-  }
-  if (input.remoteRecordEnabled !== undefined) {
-    bodyParams["remoteRecordEnabled"] = input.remoteRecordEnabled;
-  }
-  if (input.skipAppResign !== undefined) {
-    bodyParams["skipAppResign"] = input.skipAppResign;
-  }
-  if (input.sshPublicKey !== undefined) {
-    bodyParams["sshPublicKey"] = input.sshPublicKey;
-  }
-  return bodyParams;
+  return {
+    ...(input.clientId !== undefined && { clientId: input.clientId }),
+    ...(input.configuration !== undefined && {
+      configuration: serializeAws_json1_1CreateRemoteAccessSessionConfiguration(
+        input.configuration,
+        context
+      )
+    }),
+    ...(input.deviceArn !== undefined && { deviceArn: input.deviceArn }),
+    ...(input.instanceArn !== undefined && { instanceArn: input.instanceArn }),
+    ...(input.interactionMode !== undefined && {
+      interactionMode: input.interactionMode
+    }),
+    ...(input.name !== undefined && { name: input.name }),
+    ...(input.projectArn !== undefined && { projectArn: input.projectArn }),
+    ...(input.remoteDebugEnabled !== undefined && {
+      remoteDebugEnabled: input.remoteDebugEnabled
+    }),
+    ...(input.remoteRecordAppArn !== undefined && {
+      remoteRecordAppArn: input.remoteRecordAppArn
+    }),
+    ...(input.remoteRecordEnabled !== undefined && {
+      remoteRecordEnabled: input.remoteRecordEnabled
+    }),
+    ...(input.skipAppResign !== undefined && {
+      skipAppResign: input.skipAppResign
+    }),
+    ...(input.sshPublicKey !== undefined && {
+      sshPublicKey: input.sshPublicKey
+    })
+  };
 };
 
 const serializeAws_json1_1CreateTestGridProjectRequest = (
   input: CreateTestGridProjectRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.description !== undefined) {
-    bodyParams["description"] = input.description;
-  }
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  return bodyParams;
+  return {
+    ...(input.description !== undefined && { description: input.description }),
+    ...(input.name !== undefined && { name: input.name })
+  };
 };
 
 const serializeAws_json1_1CreateTestGridUrlRequest = (
   input: CreateTestGridUrlRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.expiresInSeconds !== undefined) {
-    bodyParams["expiresInSeconds"] = input.expiresInSeconds;
-  }
-  if (input.projectArn !== undefined) {
-    bodyParams["projectArn"] = input.projectArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.expiresInSeconds !== undefined && {
+      expiresInSeconds: input.expiresInSeconds
+    }),
+    ...(input.projectArn !== undefined && { projectArn: input.projectArn })
+  };
 };
 
 const serializeAws_json1_1CreateUploadRequest = (
   input: CreateUploadRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.contentType !== undefined) {
-    bodyParams["contentType"] = input.contentType;
-  }
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  if (input.projectArn !== undefined) {
-    bodyParams["projectArn"] = input.projectArn;
-  }
-  if (input.type !== undefined) {
-    bodyParams["type"] = input.type;
-  }
-  return bodyParams;
+  return {
+    ...(input.contentType !== undefined && { contentType: input.contentType }),
+    ...(input.name !== undefined && { name: input.name }),
+    ...(input.projectArn !== undefined && { projectArn: input.projectArn }),
+    ...(input.type !== undefined && { type: input.type })
+  };
 };
 
 const serializeAws_json1_1CreateVPCEConfigurationRequest = (
   input: CreateVPCEConfigurationRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.serviceDnsName !== undefined) {
-    bodyParams["serviceDnsName"] = input.serviceDnsName;
-  }
-  if (input.vpceConfigurationDescription !== undefined) {
-    bodyParams["vpceConfigurationDescription"] =
-      input.vpceConfigurationDescription;
-  }
-  if (input.vpceConfigurationName !== undefined) {
-    bodyParams["vpceConfigurationName"] = input.vpceConfigurationName;
-  }
-  if (input.vpceServiceName !== undefined) {
-    bodyParams["vpceServiceName"] = input.vpceServiceName;
-  }
-  return bodyParams;
+  return {
+    ...(input.serviceDnsName !== undefined && {
+      serviceDnsName: input.serviceDnsName
+    }),
+    ...(input.vpceConfigurationDescription !== undefined && {
+      vpceConfigurationDescription: input.vpceConfigurationDescription
+    }),
+    ...(input.vpceConfigurationName !== undefined && {
+      vpceConfigurationName: input.vpceConfigurationName
+    }),
+    ...(input.vpceServiceName !== undefined && {
+      vpceServiceName: input.vpceServiceName
+    })
+  };
 };
 
 const serializeAws_json1_1CustomerArtifactPaths = (
   input: CustomerArtifactPaths,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.androidPaths !== undefined) {
-    bodyParams["androidPaths"] = serializeAws_json1_1AndroidPaths(
-      input.androidPaths,
-      context
-    );
-  }
-  if (input.deviceHostPaths !== undefined) {
-    bodyParams["deviceHostPaths"] = serializeAws_json1_1DeviceHostPaths(
-      input.deviceHostPaths,
-      context
-    );
-  }
-  if (input.iosPaths !== undefined) {
-    bodyParams["iosPaths"] = serializeAws_json1_1IosPaths(
-      input.iosPaths,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.androidPaths !== undefined && {
+      androidPaths: serializeAws_json1_1AndroidPaths(
+        input.androidPaths,
+        context
+      )
+    }),
+    ...(input.deviceHostPaths !== undefined && {
+      deviceHostPaths: serializeAws_json1_1DeviceHostPaths(
+        input.deviceHostPaths,
+        context
+      )
+    }),
+    ...(input.iosPaths !== undefined && {
+      iosPaths: serializeAws_json1_1IosPaths(input.iosPaths, context)
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteDevicePoolRequest = (
   input: DeleteDevicePoolRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.arn !== undefined) {
-    bodyParams["arn"] = input.arn;
-  }
-  return bodyParams;
+  return {
+    ...(input.arn !== undefined && { arn: input.arn })
+  };
 };
 
 const serializeAws_json1_1DeleteInstanceProfileRequest = (
   input: DeleteInstanceProfileRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.arn !== undefined) {
-    bodyParams["arn"] = input.arn;
-  }
-  return bodyParams;
+  return {
+    ...(input.arn !== undefined && { arn: input.arn })
+  };
 };
 
 const serializeAws_json1_1DeleteNetworkProfileRequest = (
   input: DeleteNetworkProfileRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.arn !== undefined) {
-    bodyParams["arn"] = input.arn;
-  }
-  return bodyParams;
+  return {
+    ...(input.arn !== undefined && { arn: input.arn })
+  };
 };
 
 const serializeAws_json1_1DeleteProjectRequest = (
   input: DeleteProjectRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.arn !== undefined) {
-    bodyParams["arn"] = input.arn;
-  }
-  return bodyParams;
+  return {
+    ...(input.arn !== undefined && { arn: input.arn })
+  };
 };
 
 const serializeAws_json1_1DeleteRemoteAccessSessionRequest = (
   input: DeleteRemoteAccessSessionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.arn !== undefined) {
-    bodyParams["arn"] = input.arn;
-  }
-  return bodyParams;
+  return {
+    ...(input.arn !== undefined && { arn: input.arn })
+  };
 };
 
 const serializeAws_json1_1DeleteRunRequest = (
   input: DeleteRunRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.arn !== undefined) {
-    bodyParams["arn"] = input.arn;
-  }
-  return bodyParams;
+  return {
+    ...(input.arn !== undefined && { arn: input.arn })
+  };
 };
 
 const serializeAws_json1_1DeleteTestGridProjectRequest = (
   input: DeleteTestGridProjectRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.projectArn !== undefined) {
-    bodyParams["projectArn"] = input.projectArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.projectArn !== undefined && { projectArn: input.projectArn })
+  };
 };
 
 const serializeAws_json1_1DeleteUploadRequest = (
   input: DeleteUploadRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.arn !== undefined) {
-    bodyParams["arn"] = input.arn;
-  }
-  return bodyParams;
+  return {
+    ...(input.arn !== undefined && { arn: input.arn })
+  };
 };
 
 const serializeAws_json1_1DeleteVPCEConfigurationRequest = (
   input: DeleteVPCEConfigurationRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.arn !== undefined) {
-    bodyParams["arn"] = input.arn;
-  }
-  return bodyParams;
+  return {
+    ...(input.arn !== undefined && { arn: input.arn })
+  };
 };
 
 const serializeAws_json1_1DeviceFilter = (
   input: DeviceFilter,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.attribute !== undefined) {
-    bodyParams["attribute"] = input.attribute;
-  }
-  if (input.operator !== undefined) {
-    bodyParams["operator"] = input.operator;
-  }
-  if (input.values !== undefined) {
-    bodyParams["values"] = serializeAws_json1_1DeviceFilterValues(
-      input.values,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.attribute !== undefined && { attribute: input.attribute }),
+    ...(input.operator !== undefined && { operator: input.operator }),
+    ...(input.values !== undefined && {
+      values: serializeAws_json1_1DeviceFilterValues(input.values, context)
+    })
+  };
 };
 
 const serializeAws_json1_1DeviceFilterValues = (
@@ -9495,273 +9414,222 @@ const serializeAws_json1_1DeviceSelectionConfiguration = (
   input: DeviceSelectionConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.filters !== undefined) {
-    bodyParams["filters"] = serializeAws_json1_1DeviceFilters(
-      input.filters,
-      context
-    );
-  }
-  if (input.maxDevices !== undefined) {
-    bodyParams["maxDevices"] = input.maxDevices;
-  }
-  return bodyParams;
+  return {
+    ...(input.filters !== undefined && {
+      filters: serializeAws_json1_1DeviceFilters(input.filters, context)
+    }),
+    ...(input.maxDevices !== undefined && { maxDevices: input.maxDevices })
+  };
 };
 
 const serializeAws_json1_1ExecutionConfiguration = (
   input: ExecutionConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.accountsCleanup !== undefined) {
-    bodyParams["accountsCleanup"] = input.accountsCleanup;
-  }
-  if (input.appPackagesCleanup !== undefined) {
-    bodyParams["appPackagesCleanup"] = input.appPackagesCleanup;
-  }
-  if (input.jobTimeoutMinutes !== undefined) {
-    bodyParams["jobTimeoutMinutes"] = input.jobTimeoutMinutes;
-  }
-  if (input.skipAppResign !== undefined) {
-    bodyParams["skipAppResign"] = input.skipAppResign;
-  }
-  if (input.videoCapture !== undefined) {
-    bodyParams["videoCapture"] = input.videoCapture;
-  }
-  return bodyParams;
+  return {
+    ...(input.accountsCleanup !== undefined && {
+      accountsCleanup: input.accountsCleanup
+    }),
+    ...(input.appPackagesCleanup !== undefined && {
+      appPackagesCleanup: input.appPackagesCleanup
+    }),
+    ...(input.jobTimeoutMinutes !== undefined && {
+      jobTimeoutMinutes: input.jobTimeoutMinutes
+    }),
+    ...(input.skipAppResign !== undefined && {
+      skipAppResign: input.skipAppResign
+    }),
+    ...(input.videoCapture !== undefined && {
+      videoCapture: input.videoCapture
+    })
+  };
 };
 
 const serializeAws_json1_1GetAccountSettingsRequest = (
   input: GetAccountSettingsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  return bodyParams;
+  return {};
 };
 
 const serializeAws_json1_1GetDeviceInstanceRequest = (
   input: GetDeviceInstanceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.arn !== undefined) {
-    bodyParams["arn"] = input.arn;
-  }
-  return bodyParams;
+  return {
+    ...(input.arn !== undefined && { arn: input.arn })
+  };
 };
 
 const serializeAws_json1_1GetDevicePoolCompatibilityRequest = (
   input: GetDevicePoolCompatibilityRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.appArn !== undefined) {
-    bodyParams["appArn"] = input.appArn;
-  }
-  if (input.configuration !== undefined) {
-    bodyParams["configuration"] = serializeAws_json1_1ScheduleRunConfiguration(
-      input.configuration,
-      context
-    );
-  }
-  if (input.devicePoolArn !== undefined) {
-    bodyParams["devicePoolArn"] = input.devicePoolArn;
-  }
-  if (input.test !== undefined) {
-    bodyParams["test"] = serializeAws_json1_1ScheduleRunTest(
-      input.test,
-      context
-    );
-  }
-  if (input.testType !== undefined) {
-    bodyParams["testType"] = input.testType;
-  }
-  return bodyParams;
+  return {
+    ...(input.appArn !== undefined && { appArn: input.appArn }),
+    ...(input.configuration !== undefined && {
+      configuration: serializeAws_json1_1ScheduleRunConfiguration(
+        input.configuration,
+        context
+      )
+    }),
+    ...(input.devicePoolArn !== undefined && {
+      devicePoolArn: input.devicePoolArn
+    }),
+    ...(input.test !== undefined && {
+      test: serializeAws_json1_1ScheduleRunTest(input.test, context)
+    }),
+    ...(input.testType !== undefined && { testType: input.testType })
+  };
 };
 
 const serializeAws_json1_1GetDevicePoolRequest = (
   input: GetDevicePoolRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.arn !== undefined) {
-    bodyParams["arn"] = input.arn;
-  }
-  return bodyParams;
+  return {
+    ...(input.arn !== undefined && { arn: input.arn })
+  };
 };
 
 const serializeAws_json1_1GetDeviceRequest = (
   input: GetDeviceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.arn !== undefined) {
-    bodyParams["arn"] = input.arn;
-  }
-  return bodyParams;
+  return {
+    ...(input.arn !== undefined && { arn: input.arn })
+  };
 };
 
 const serializeAws_json1_1GetInstanceProfileRequest = (
   input: GetInstanceProfileRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.arn !== undefined) {
-    bodyParams["arn"] = input.arn;
-  }
-  return bodyParams;
+  return {
+    ...(input.arn !== undefined && { arn: input.arn })
+  };
 };
 
 const serializeAws_json1_1GetJobRequest = (
   input: GetJobRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.arn !== undefined) {
-    bodyParams["arn"] = input.arn;
-  }
-  return bodyParams;
+  return {
+    ...(input.arn !== undefined && { arn: input.arn })
+  };
 };
 
 const serializeAws_json1_1GetNetworkProfileRequest = (
   input: GetNetworkProfileRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.arn !== undefined) {
-    bodyParams["arn"] = input.arn;
-  }
-  return bodyParams;
+  return {
+    ...(input.arn !== undefined && { arn: input.arn })
+  };
 };
 
 const serializeAws_json1_1GetOfferingStatusRequest = (
   input: GetOfferingStatusRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken })
+  };
 };
 
 const serializeAws_json1_1GetProjectRequest = (
   input: GetProjectRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.arn !== undefined) {
-    bodyParams["arn"] = input.arn;
-  }
-  return bodyParams;
+  return {
+    ...(input.arn !== undefined && { arn: input.arn })
+  };
 };
 
 const serializeAws_json1_1GetRemoteAccessSessionRequest = (
   input: GetRemoteAccessSessionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.arn !== undefined) {
-    bodyParams["arn"] = input.arn;
-  }
-  return bodyParams;
+  return {
+    ...(input.arn !== undefined && { arn: input.arn })
+  };
 };
 
 const serializeAws_json1_1GetRunRequest = (
   input: GetRunRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.arn !== undefined) {
-    bodyParams["arn"] = input.arn;
-  }
-  return bodyParams;
+  return {
+    ...(input.arn !== undefined && { arn: input.arn })
+  };
 };
 
 const serializeAws_json1_1GetSuiteRequest = (
   input: GetSuiteRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.arn !== undefined) {
-    bodyParams["arn"] = input.arn;
-  }
-  return bodyParams;
+  return {
+    ...(input.arn !== undefined && { arn: input.arn })
+  };
 };
 
 const serializeAws_json1_1GetTestGridProjectRequest = (
   input: GetTestGridProjectRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.projectArn !== undefined) {
-    bodyParams["projectArn"] = input.projectArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.projectArn !== undefined && { projectArn: input.projectArn })
+  };
 };
 
 const serializeAws_json1_1GetTestGridSessionRequest = (
   input: GetTestGridSessionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.projectArn !== undefined) {
-    bodyParams["projectArn"] = input.projectArn;
-  }
-  if (input.sessionArn !== undefined) {
-    bodyParams["sessionArn"] = input.sessionArn;
-  }
-  if (input.sessionId !== undefined) {
-    bodyParams["sessionId"] = input.sessionId;
-  }
-  return bodyParams;
+  return {
+    ...(input.projectArn !== undefined && { projectArn: input.projectArn }),
+    ...(input.sessionArn !== undefined && { sessionArn: input.sessionArn }),
+    ...(input.sessionId !== undefined && { sessionId: input.sessionId })
+  };
 };
 
 const serializeAws_json1_1GetTestRequest = (
   input: GetTestRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.arn !== undefined) {
-    bodyParams["arn"] = input.arn;
-  }
-  return bodyParams;
+  return {
+    ...(input.arn !== undefined && { arn: input.arn })
+  };
 };
 
 const serializeAws_json1_1GetUploadRequest = (
   input: GetUploadRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.arn !== undefined) {
-    bodyParams["arn"] = input.arn;
-  }
-  return bodyParams;
+  return {
+    ...(input.arn !== undefined && { arn: input.arn })
+  };
 };
 
 const serializeAws_json1_1GetVPCEConfigurationRequest = (
   input: GetVPCEConfigurationRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.arn !== undefined) {
-    bodyParams["arn"] = input.arn;
-  }
-  return bodyParams;
+  return {
+    ...(input.arn !== undefined && { arn: input.arn })
+  };
 };
 
 const serializeAws_json1_1InstallToRemoteAccessSessionRequest = (
   input: InstallToRemoteAccessSessionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.appArn !== undefined) {
-    bodyParams["appArn"] = input.appArn;
-  }
-  if (input.remoteAccessSessionArn !== undefined) {
-    bodyParams["remoteAccessSessionArn"] = input.remoteAccessSessionArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.appArn !== undefined && { appArn: input.appArn }),
+    ...(input.remoteAccessSessionArn !== undefined && {
+      remoteAccessSessionArn: input.remoteAccessSessionArn
+    })
+  };
 };
 
 const serializeAws_json1_1InstanceLabels = (
@@ -9782,391 +9650,270 @@ const serializeAws_json1_1ListArtifactsRequest = (
   input: ListArtifactsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.arn !== undefined) {
-    bodyParams["arn"] = input.arn;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  if (input.type !== undefined) {
-    bodyParams["type"] = input.type;
-  }
-  return bodyParams;
+  return {
+    ...(input.arn !== undefined && { arn: input.arn }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken }),
+    ...(input.type !== undefined && { type: input.type })
+  };
 };
 
 const serializeAws_json1_1ListDeviceInstancesRequest = (
   input: ListDeviceInstancesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.maxResults !== undefined) {
-    bodyParams["maxResults"] = input.maxResults;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.maxResults !== undefined && { maxResults: input.maxResults }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken })
+  };
 };
 
 const serializeAws_json1_1ListDevicePoolsRequest = (
   input: ListDevicePoolsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.arn !== undefined) {
-    bodyParams["arn"] = input.arn;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  if (input.type !== undefined) {
-    bodyParams["type"] = input.type;
-  }
-  return bodyParams;
+  return {
+    ...(input.arn !== undefined && { arn: input.arn }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken }),
+    ...(input.type !== undefined && { type: input.type })
+  };
 };
 
 const serializeAws_json1_1ListDevicesRequest = (
   input: ListDevicesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.arn !== undefined) {
-    bodyParams["arn"] = input.arn;
-  }
-  if (input.filters !== undefined) {
-    bodyParams["filters"] = serializeAws_json1_1DeviceFilters(
-      input.filters,
-      context
-    );
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.arn !== undefined && { arn: input.arn }),
+    ...(input.filters !== undefined && {
+      filters: serializeAws_json1_1DeviceFilters(input.filters, context)
+    }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken })
+  };
 };
 
 const serializeAws_json1_1ListInstanceProfilesRequest = (
   input: ListInstanceProfilesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.maxResults !== undefined) {
-    bodyParams["maxResults"] = input.maxResults;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.maxResults !== undefined && { maxResults: input.maxResults }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken })
+  };
 };
 
 const serializeAws_json1_1ListJobsRequest = (
   input: ListJobsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.arn !== undefined) {
-    bodyParams["arn"] = input.arn;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.arn !== undefined && { arn: input.arn }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken })
+  };
 };
 
 const serializeAws_json1_1ListNetworkProfilesRequest = (
   input: ListNetworkProfilesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.arn !== undefined) {
-    bodyParams["arn"] = input.arn;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  if (input.type !== undefined) {
-    bodyParams["type"] = input.type;
-  }
-  return bodyParams;
+  return {
+    ...(input.arn !== undefined && { arn: input.arn }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken }),
+    ...(input.type !== undefined && { type: input.type })
+  };
 };
 
 const serializeAws_json1_1ListOfferingPromotionsRequest = (
   input: ListOfferingPromotionsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken })
+  };
 };
 
 const serializeAws_json1_1ListOfferingTransactionsRequest = (
   input: ListOfferingTransactionsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken })
+  };
 };
 
 const serializeAws_json1_1ListOfferingsRequest = (
   input: ListOfferingsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken })
+  };
 };
 
 const serializeAws_json1_1ListProjectsRequest = (
   input: ListProjectsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.arn !== undefined) {
-    bodyParams["arn"] = input.arn;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.arn !== undefined && { arn: input.arn }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken })
+  };
 };
 
 const serializeAws_json1_1ListRemoteAccessSessionsRequest = (
   input: ListRemoteAccessSessionsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.arn !== undefined) {
-    bodyParams["arn"] = input.arn;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.arn !== undefined && { arn: input.arn }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken })
+  };
 };
 
 const serializeAws_json1_1ListRunsRequest = (
   input: ListRunsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.arn !== undefined) {
-    bodyParams["arn"] = input.arn;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.arn !== undefined && { arn: input.arn }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken })
+  };
 };
 
 const serializeAws_json1_1ListSamplesRequest = (
   input: ListSamplesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.arn !== undefined) {
-    bodyParams["arn"] = input.arn;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.arn !== undefined && { arn: input.arn }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken })
+  };
 };
 
 const serializeAws_json1_1ListSuitesRequest = (
   input: ListSuitesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.arn !== undefined) {
-    bodyParams["arn"] = input.arn;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.arn !== undefined && { arn: input.arn }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken })
+  };
 };
 
 const serializeAws_json1_1ListTagsForResourceRequest = (
   input: ListTagsForResourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceARN !== undefined) {
-    bodyParams["ResourceARN"] = input.ResourceARN;
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceARN !== undefined && { ResourceARN: input.ResourceARN })
+  };
 };
 
 const serializeAws_json1_1ListTestGridProjectsRequest = (
   input: ListTestGridProjectsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.maxResult !== undefined) {
-    bodyParams["maxResult"] = input.maxResult;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.maxResult !== undefined && { maxResult: input.maxResult }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken })
+  };
 };
 
 const serializeAws_json1_1ListTestGridSessionActionsRequest = (
   input: ListTestGridSessionActionsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.maxResult !== undefined) {
-    bodyParams["maxResult"] = input.maxResult;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  if (input.sessionArn !== undefined) {
-    bodyParams["sessionArn"] = input.sessionArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.maxResult !== undefined && { maxResult: input.maxResult }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken }),
+    ...(input.sessionArn !== undefined && { sessionArn: input.sessionArn })
+  };
 };
 
 const serializeAws_json1_1ListTestGridSessionArtifactsRequest = (
   input: ListTestGridSessionArtifactsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.maxResult !== undefined) {
-    bodyParams["maxResult"] = input.maxResult;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  if (input.sessionArn !== undefined) {
-    bodyParams["sessionArn"] = input.sessionArn;
-  }
-  if (input.type !== undefined) {
-    bodyParams["type"] = input.type;
-  }
-  return bodyParams;
+  return {
+    ...(input.maxResult !== undefined && { maxResult: input.maxResult }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken }),
+    ...(input.sessionArn !== undefined && { sessionArn: input.sessionArn }),
+    ...(input.type !== undefined && { type: input.type })
+  };
 };
 
 const serializeAws_json1_1ListTestGridSessionsRequest = (
   input: ListTestGridSessionsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.creationTimeAfter !== undefined) {
-    bodyParams["creationTimeAfter"] = Math.round(
-      input.creationTimeAfter.getTime() / 1000
-    );
-  }
-  if (input.creationTimeBefore !== undefined) {
-    bodyParams["creationTimeBefore"] = Math.round(
-      input.creationTimeBefore.getTime() / 1000
-    );
-  }
-  if (input.endTimeAfter !== undefined) {
-    bodyParams["endTimeAfter"] = Math.round(
-      input.endTimeAfter.getTime() / 1000
-    );
-  }
-  if (input.endTimeBefore !== undefined) {
-    bodyParams["endTimeBefore"] = Math.round(
-      input.endTimeBefore.getTime() / 1000
-    );
-  }
-  if (input.maxResult !== undefined) {
-    bodyParams["maxResult"] = input.maxResult;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  if (input.projectArn !== undefined) {
-    bodyParams["projectArn"] = input.projectArn;
-  }
-  if (input.status !== undefined) {
-    bodyParams["status"] = input.status;
-  }
-  return bodyParams;
+  return {
+    ...(input.creationTimeAfter !== undefined && {
+      creationTimeAfter: Math.round(input.creationTimeAfter.getTime() / 1000)
+    }),
+    ...(input.creationTimeBefore !== undefined && {
+      creationTimeBefore: Math.round(input.creationTimeBefore.getTime() / 1000)
+    }),
+    ...(input.endTimeAfter !== undefined && {
+      endTimeAfter: Math.round(input.endTimeAfter.getTime() / 1000)
+    }),
+    ...(input.endTimeBefore !== undefined && {
+      endTimeBefore: Math.round(input.endTimeBefore.getTime() / 1000)
+    }),
+    ...(input.maxResult !== undefined && { maxResult: input.maxResult }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken }),
+    ...(input.projectArn !== undefined && { projectArn: input.projectArn }),
+    ...(input.status !== undefined && { status: input.status })
+  };
 };
 
 const serializeAws_json1_1ListTestsRequest = (
   input: ListTestsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.arn !== undefined) {
-    bodyParams["arn"] = input.arn;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.arn !== undefined && { arn: input.arn }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken })
+  };
 };
 
 const serializeAws_json1_1ListUniqueProblemsRequest = (
   input: ListUniqueProblemsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.arn !== undefined) {
-    bodyParams["arn"] = input.arn;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.arn !== undefined && { arn: input.arn }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken })
+  };
 };
 
 const serializeAws_json1_1ListUploadsRequest = (
   input: ListUploadsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.arn !== undefined) {
-    bodyParams["arn"] = input.arn;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  if (input.type !== undefined) {
-    bodyParams["type"] = input.type;
-  }
-  return bodyParams;
+  return {
+    ...(input.arn !== undefined && { arn: input.arn }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken }),
+    ...(input.type !== undefined && { type: input.type })
+  };
 };
 
 const serializeAws_json1_1ListVPCEConfigurationsRequest = (
   input: ListVPCEConfigurationsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.maxResults !== undefined) {
-    bodyParams["maxResults"] = input.maxResults;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.maxResults !== undefined && { maxResults: input.maxResults }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken })
+  };
 };
 
 const serializeAws_json1_1Location = (
   input: Location,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.latitude !== undefined) {
-    bodyParams["latitude"] = input.latitude;
-  }
-  if (input.longitude !== undefined) {
-    bodyParams["longitude"] = input.longitude;
-  }
-  return bodyParams;
+  return {
+    ...(input.latitude !== undefined && { latitude: input.latitude }),
+    ...(input.longitude !== undefined && { longitude: input.longitude })
+  };
 };
 
 const serializeAws_json1_1PackageIds = (
@@ -10180,68 +9927,46 @@ const serializeAws_json1_1PurchaseOfferingRequest = (
   input: PurchaseOfferingRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.offeringId !== undefined) {
-    bodyParams["offeringId"] = input.offeringId;
-  }
-  if (input.offeringPromotionId !== undefined) {
-    bodyParams["offeringPromotionId"] = input.offeringPromotionId;
-  }
-  if (input.quantity !== undefined) {
-    bodyParams["quantity"] = input.quantity;
-  }
-  return bodyParams;
+  return {
+    ...(input.offeringId !== undefined && { offeringId: input.offeringId }),
+    ...(input.offeringPromotionId !== undefined && {
+      offeringPromotionId: input.offeringPromotionId
+    }),
+    ...(input.quantity !== undefined && { quantity: input.quantity })
+  };
 };
 
 const serializeAws_json1_1Radios = (
   input: Radios,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.bluetooth !== undefined) {
-    bodyParams["bluetooth"] = input.bluetooth;
-  }
-  if (input.gps !== undefined) {
-    bodyParams["gps"] = input.gps;
-  }
-  if (input.nfc !== undefined) {
-    bodyParams["nfc"] = input.nfc;
-  }
-  if (input.wifi !== undefined) {
-    bodyParams["wifi"] = input.wifi;
-  }
-  return bodyParams;
+  return {
+    ...(input.bluetooth !== undefined && { bluetooth: input.bluetooth }),
+    ...(input.gps !== undefined && { gps: input.gps }),
+    ...(input.nfc !== undefined && { nfc: input.nfc }),
+    ...(input.wifi !== undefined && { wifi: input.wifi })
+  };
 };
 
 const serializeAws_json1_1RenewOfferingRequest = (
   input: RenewOfferingRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.offeringId !== undefined) {
-    bodyParams["offeringId"] = input.offeringId;
-  }
-  if (input.quantity !== undefined) {
-    bodyParams["quantity"] = input.quantity;
-  }
-  return bodyParams;
+  return {
+    ...(input.offeringId !== undefined && { offeringId: input.offeringId }),
+    ...(input.quantity !== undefined && { quantity: input.quantity })
+  };
 };
 
 const serializeAws_json1_1Rule = (
   input: Rule,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.attribute !== undefined) {
-    bodyParams["attribute"] = input.attribute;
-  }
-  if (input.operator !== undefined) {
-    bodyParams["operator"] = input.operator;
-  }
-  if (input.value !== undefined) {
-    bodyParams["value"] = input.value;
-  }
-  return bodyParams;
+  return {
+    ...(input.attribute !== undefined && { attribute: input.attribute }),
+    ...(input.operator !== undefined && { operator: input.operator }),
+    ...(input.value !== undefined && { value: input.value })
+  };
 };
 
 const serializeAws_json1_1Rules = (
@@ -10255,169 +9980,128 @@ const serializeAws_json1_1ScheduleRunConfiguration = (
   input: ScheduleRunConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.auxiliaryApps !== undefined) {
-    bodyParams["auxiliaryApps"] = serializeAws_json1_1AmazonResourceNames(
-      input.auxiliaryApps,
-      context
-    );
-  }
-  if (input.billingMethod !== undefined) {
-    bodyParams["billingMethod"] = input.billingMethod;
-  }
-  if (input.customerArtifactPaths !== undefined) {
-    bodyParams[
-      "customerArtifactPaths"
-    ] = serializeAws_json1_1CustomerArtifactPaths(
-      input.customerArtifactPaths,
-      context
-    );
-  }
-  if (input.extraDataPackageArn !== undefined) {
-    bodyParams["extraDataPackageArn"] = input.extraDataPackageArn;
-  }
-  if (input.locale !== undefined) {
-    bodyParams["locale"] = input.locale;
-  }
-  if (input.location !== undefined) {
-    bodyParams["location"] = serializeAws_json1_1Location(
-      input.location,
-      context
-    );
-  }
-  if (input.networkProfileArn !== undefined) {
-    bodyParams["networkProfileArn"] = input.networkProfileArn;
-  }
-  if (input.radios !== undefined) {
-    bodyParams["radios"] = serializeAws_json1_1Radios(input.radios, context);
-  }
-  if (input.vpceConfigurationArns !== undefined) {
-    bodyParams[
-      "vpceConfigurationArns"
-    ] = serializeAws_json1_1AmazonResourceNames(
-      input.vpceConfigurationArns,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.auxiliaryApps !== undefined && {
+      auxiliaryApps: serializeAws_json1_1AmazonResourceNames(
+        input.auxiliaryApps,
+        context
+      )
+    }),
+    ...(input.billingMethod !== undefined && {
+      billingMethod: input.billingMethod
+    }),
+    ...(input.customerArtifactPaths !== undefined && {
+      customerArtifactPaths: serializeAws_json1_1CustomerArtifactPaths(
+        input.customerArtifactPaths,
+        context
+      )
+    }),
+    ...(input.extraDataPackageArn !== undefined && {
+      extraDataPackageArn: input.extraDataPackageArn
+    }),
+    ...(input.locale !== undefined && { locale: input.locale }),
+    ...(input.location !== undefined && {
+      location: serializeAws_json1_1Location(input.location, context)
+    }),
+    ...(input.networkProfileArn !== undefined && {
+      networkProfileArn: input.networkProfileArn
+    }),
+    ...(input.radios !== undefined && {
+      radios: serializeAws_json1_1Radios(input.radios, context)
+    }),
+    ...(input.vpceConfigurationArns !== undefined && {
+      vpceConfigurationArns: serializeAws_json1_1AmazonResourceNames(
+        input.vpceConfigurationArns,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1ScheduleRunRequest = (
   input: ScheduleRunRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.appArn !== undefined) {
-    bodyParams["appArn"] = input.appArn;
-  }
-  if (input.configuration !== undefined) {
-    bodyParams["configuration"] = serializeAws_json1_1ScheduleRunConfiguration(
-      input.configuration,
-      context
-    );
-  }
-  if (input.devicePoolArn !== undefined) {
-    bodyParams["devicePoolArn"] = input.devicePoolArn;
-  }
-  if (input.deviceSelectionConfiguration !== undefined) {
-    bodyParams[
-      "deviceSelectionConfiguration"
-    ] = serializeAws_json1_1DeviceSelectionConfiguration(
-      input.deviceSelectionConfiguration,
-      context
-    );
-  }
-  if (input.executionConfiguration !== undefined) {
-    bodyParams[
-      "executionConfiguration"
-    ] = serializeAws_json1_1ExecutionConfiguration(
-      input.executionConfiguration,
-      context
-    );
-  }
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  if (input.projectArn !== undefined) {
-    bodyParams["projectArn"] = input.projectArn;
-  }
-  if (input.test !== undefined) {
-    bodyParams["test"] = serializeAws_json1_1ScheduleRunTest(
-      input.test,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.appArn !== undefined && { appArn: input.appArn }),
+    ...(input.configuration !== undefined && {
+      configuration: serializeAws_json1_1ScheduleRunConfiguration(
+        input.configuration,
+        context
+      )
+    }),
+    ...(input.devicePoolArn !== undefined && {
+      devicePoolArn: input.devicePoolArn
+    }),
+    ...(input.deviceSelectionConfiguration !== undefined && {
+      deviceSelectionConfiguration: serializeAws_json1_1DeviceSelectionConfiguration(
+        input.deviceSelectionConfiguration,
+        context
+      )
+    }),
+    ...(input.executionConfiguration !== undefined && {
+      executionConfiguration: serializeAws_json1_1ExecutionConfiguration(
+        input.executionConfiguration,
+        context
+      )
+    }),
+    ...(input.name !== undefined && { name: input.name }),
+    ...(input.projectArn !== undefined && { projectArn: input.projectArn }),
+    ...(input.test !== undefined && {
+      test: serializeAws_json1_1ScheduleRunTest(input.test, context)
+    })
+  };
 };
 
 const serializeAws_json1_1ScheduleRunTest = (
   input: ScheduleRunTest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.filter !== undefined) {
-    bodyParams["filter"] = input.filter;
-  }
-  if (input.parameters !== undefined) {
-    bodyParams["parameters"] = serializeAws_json1_1TestParameters(
-      input.parameters,
-      context
-    );
-  }
-  if (input.testPackageArn !== undefined) {
-    bodyParams["testPackageArn"] = input.testPackageArn;
-  }
-  if (input.testSpecArn !== undefined) {
-    bodyParams["testSpecArn"] = input.testSpecArn;
-  }
-  if (input.type !== undefined) {
-    bodyParams["type"] = input.type;
-  }
-  return bodyParams;
+  return {
+    ...(input.filter !== undefined && { filter: input.filter }),
+    ...(input.parameters !== undefined && {
+      parameters: serializeAws_json1_1TestParameters(input.parameters, context)
+    }),
+    ...(input.testPackageArn !== undefined && {
+      testPackageArn: input.testPackageArn
+    }),
+    ...(input.testSpecArn !== undefined && { testSpecArn: input.testSpecArn }),
+    ...(input.type !== undefined && { type: input.type })
+  };
 };
 
 const serializeAws_json1_1StopJobRequest = (
   input: StopJobRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.arn !== undefined) {
-    bodyParams["arn"] = input.arn;
-  }
-  return bodyParams;
+  return {
+    ...(input.arn !== undefined && { arn: input.arn })
+  };
 };
 
 const serializeAws_json1_1StopRemoteAccessSessionRequest = (
   input: StopRemoteAccessSessionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.arn !== undefined) {
-    bodyParams["arn"] = input.arn;
-  }
-  return bodyParams;
+  return {
+    ...(input.arn !== undefined && { arn: input.arn })
+  };
 };
 
 const serializeAws_json1_1StopRunRequest = (
   input: StopRunRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.arn !== undefined) {
-    bodyParams["arn"] = input.arn;
-  }
-  return bodyParams;
+  return {
+    ...(input.arn !== undefined && { arn: input.arn })
+  };
 };
 
 const serializeAws_json1_1Tag = (input: Tag, context: __SerdeContext): any => {
-  const bodyParams: any = {};
-  if (input.Key !== undefined) {
-    bodyParams["Key"] = input.Key;
-  }
-  if (input.Value !== undefined) {
-    bodyParams["Value"] = input.Value;
-  }
-  return bodyParams;
+  return {
+    ...(input.Key !== undefined && { Key: input.Key }),
+    ...(input.Value !== undefined && { Value: input.Value })
+  };
 };
 
 const serializeAws_json1_1TagKeyList = (
@@ -10438,14 +10122,12 @@ const serializeAws_json1_1TagResourceRequest = (
   input: TagResourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceARN !== undefined) {
-    bodyParams["ResourceARN"] = input.ResourceARN;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagList(input.Tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceARN !== undefined && { ResourceARN: input.ResourceARN }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagList(input.Tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1TestParameters = (
@@ -10462,216 +10144,159 @@ const serializeAws_json1_1UntagResourceRequest = (
   input: UntagResourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceARN !== undefined) {
-    bodyParams["ResourceARN"] = input.ResourceARN;
-  }
-  if (input.TagKeys !== undefined) {
-    bodyParams["TagKeys"] = serializeAws_json1_1TagKeyList(
-      input.TagKeys,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceARN !== undefined && { ResourceARN: input.ResourceARN }),
+    ...(input.TagKeys !== undefined && {
+      TagKeys: serializeAws_json1_1TagKeyList(input.TagKeys, context)
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateDeviceInstanceRequest = (
   input: UpdateDeviceInstanceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.arn !== undefined) {
-    bodyParams["arn"] = input.arn;
-  }
-  if (input.labels !== undefined) {
-    bodyParams["labels"] = serializeAws_json1_1InstanceLabels(
-      input.labels,
-      context
-    );
-  }
-  if (input.profileArn !== undefined) {
-    bodyParams["profileArn"] = input.profileArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.arn !== undefined && { arn: input.arn }),
+    ...(input.labels !== undefined && {
+      labels: serializeAws_json1_1InstanceLabels(input.labels, context)
+    }),
+    ...(input.profileArn !== undefined && { profileArn: input.profileArn })
+  };
 };
 
 const serializeAws_json1_1UpdateDevicePoolRequest = (
   input: UpdateDevicePoolRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.arn !== undefined) {
-    bodyParams["arn"] = input.arn;
-  }
-  if (input.clearMaxDevices !== undefined) {
-    bodyParams["clearMaxDevices"] = input.clearMaxDevices;
-  }
-  if (input.description !== undefined) {
-    bodyParams["description"] = input.description;
-  }
-  if (input.maxDevices !== undefined) {
-    bodyParams["maxDevices"] = input.maxDevices;
-  }
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  if (input.rules !== undefined) {
-    bodyParams["rules"] = serializeAws_json1_1Rules(input.rules, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.arn !== undefined && { arn: input.arn }),
+    ...(input.clearMaxDevices !== undefined && {
+      clearMaxDevices: input.clearMaxDevices
+    }),
+    ...(input.description !== undefined && { description: input.description }),
+    ...(input.maxDevices !== undefined && { maxDevices: input.maxDevices }),
+    ...(input.name !== undefined && { name: input.name }),
+    ...(input.rules !== undefined && {
+      rules: serializeAws_json1_1Rules(input.rules, context)
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateInstanceProfileRequest = (
   input: UpdateInstanceProfileRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.arn !== undefined) {
-    bodyParams["arn"] = input.arn;
-  }
-  if (input.description !== undefined) {
-    bodyParams["description"] = input.description;
-  }
-  if (input.excludeAppPackagesFromCleanup !== undefined) {
-    bodyParams[
-      "excludeAppPackagesFromCleanup"
-    ] = serializeAws_json1_1PackageIds(
-      input.excludeAppPackagesFromCleanup,
-      context
-    );
-  }
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  if (input.packageCleanup !== undefined) {
-    bodyParams["packageCleanup"] = input.packageCleanup;
-  }
-  if (input.rebootAfterUse !== undefined) {
-    bodyParams["rebootAfterUse"] = input.rebootAfterUse;
-  }
-  return bodyParams;
+  return {
+    ...(input.arn !== undefined && { arn: input.arn }),
+    ...(input.description !== undefined && { description: input.description }),
+    ...(input.excludeAppPackagesFromCleanup !== undefined && {
+      excludeAppPackagesFromCleanup: serializeAws_json1_1PackageIds(
+        input.excludeAppPackagesFromCleanup,
+        context
+      )
+    }),
+    ...(input.name !== undefined && { name: input.name }),
+    ...(input.packageCleanup !== undefined && {
+      packageCleanup: input.packageCleanup
+    }),
+    ...(input.rebootAfterUse !== undefined && {
+      rebootAfterUse: input.rebootAfterUse
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateNetworkProfileRequest = (
   input: UpdateNetworkProfileRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.arn !== undefined) {
-    bodyParams["arn"] = input.arn;
-  }
-  if (input.description !== undefined) {
-    bodyParams["description"] = input.description;
-  }
-  if (input.downlinkBandwidthBits !== undefined) {
-    bodyParams["downlinkBandwidthBits"] = input.downlinkBandwidthBits;
-  }
-  if (input.downlinkDelayMs !== undefined) {
-    bodyParams["downlinkDelayMs"] = input.downlinkDelayMs;
-  }
-  if (input.downlinkJitterMs !== undefined) {
-    bodyParams["downlinkJitterMs"] = input.downlinkJitterMs;
-  }
-  if (input.downlinkLossPercent !== undefined) {
-    bodyParams["downlinkLossPercent"] = input.downlinkLossPercent;
-  }
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  if (input.type !== undefined) {
-    bodyParams["type"] = input.type;
-  }
-  if (input.uplinkBandwidthBits !== undefined) {
-    bodyParams["uplinkBandwidthBits"] = input.uplinkBandwidthBits;
-  }
-  if (input.uplinkDelayMs !== undefined) {
-    bodyParams["uplinkDelayMs"] = input.uplinkDelayMs;
-  }
-  if (input.uplinkJitterMs !== undefined) {
-    bodyParams["uplinkJitterMs"] = input.uplinkJitterMs;
-  }
-  if (input.uplinkLossPercent !== undefined) {
-    bodyParams["uplinkLossPercent"] = input.uplinkLossPercent;
-  }
-  return bodyParams;
+  return {
+    ...(input.arn !== undefined && { arn: input.arn }),
+    ...(input.description !== undefined && { description: input.description }),
+    ...(input.downlinkBandwidthBits !== undefined && {
+      downlinkBandwidthBits: input.downlinkBandwidthBits
+    }),
+    ...(input.downlinkDelayMs !== undefined && {
+      downlinkDelayMs: input.downlinkDelayMs
+    }),
+    ...(input.downlinkJitterMs !== undefined && {
+      downlinkJitterMs: input.downlinkJitterMs
+    }),
+    ...(input.downlinkLossPercent !== undefined && {
+      downlinkLossPercent: input.downlinkLossPercent
+    }),
+    ...(input.name !== undefined && { name: input.name }),
+    ...(input.type !== undefined && { type: input.type }),
+    ...(input.uplinkBandwidthBits !== undefined && {
+      uplinkBandwidthBits: input.uplinkBandwidthBits
+    }),
+    ...(input.uplinkDelayMs !== undefined && {
+      uplinkDelayMs: input.uplinkDelayMs
+    }),
+    ...(input.uplinkJitterMs !== undefined && {
+      uplinkJitterMs: input.uplinkJitterMs
+    }),
+    ...(input.uplinkLossPercent !== undefined && {
+      uplinkLossPercent: input.uplinkLossPercent
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateProjectRequest = (
   input: UpdateProjectRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.arn !== undefined) {
-    bodyParams["arn"] = input.arn;
-  }
-  if (input.defaultJobTimeoutMinutes !== undefined) {
-    bodyParams["defaultJobTimeoutMinutes"] = input.defaultJobTimeoutMinutes;
-  }
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  return bodyParams;
+  return {
+    ...(input.arn !== undefined && { arn: input.arn }),
+    ...(input.defaultJobTimeoutMinutes !== undefined && {
+      defaultJobTimeoutMinutes: input.defaultJobTimeoutMinutes
+    }),
+    ...(input.name !== undefined && { name: input.name })
+  };
 };
 
 const serializeAws_json1_1UpdateTestGridProjectRequest = (
   input: UpdateTestGridProjectRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.description !== undefined) {
-    bodyParams["description"] = input.description;
-  }
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  if (input.projectArn !== undefined) {
-    bodyParams["projectArn"] = input.projectArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.description !== undefined && { description: input.description }),
+    ...(input.name !== undefined && { name: input.name }),
+    ...(input.projectArn !== undefined && { projectArn: input.projectArn })
+  };
 };
 
 const serializeAws_json1_1UpdateUploadRequest = (
   input: UpdateUploadRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.arn !== undefined) {
-    bodyParams["arn"] = input.arn;
-  }
-  if (input.contentType !== undefined) {
-    bodyParams["contentType"] = input.contentType;
-  }
-  if (input.editContent !== undefined) {
-    bodyParams["editContent"] = input.editContent;
-  }
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  return bodyParams;
+  return {
+    ...(input.arn !== undefined && { arn: input.arn }),
+    ...(input.contentType !== undefined && { contentType: input.contentType }),
+    ...(input.editContent !== undefined && { editContent: input.editContent }),
+    ...(input.name !== undefined && { name: input.name })
+  };
 };
 
 const serializeAws_json1_1UpdateVPCEConfigurationRequest = (
   input: UpdateVPCEConfigurationRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.arn !== undefined) {
-    bodyParams["arn"] = input.arn;
-  }
-  if (input.serviceDnsName !== undefined) {
-    bodyParams["serviceDnsName"] = input.serviceDnsName;
-  }
-  if (input.vpceConfigurationDescription !== undefined) {
-    bodyParams["vpceConfigurationDescription"] =
-      input.vpceConfigurationDescription;
-  }
-  if (input.vpceConfigurationName !== undefined) {
-    bodyParams["vpceConfigurationName"] = input.vpceConfigurationName;
-  }
-  if (input.vpceServiceName !== undefined) {
-    bodyParams["vpceServiceName"] = input.vpceServiceName;
-  }
-  return bodyParams;
+  return {
+    ...(input.arn !== undefined && { arn: input.arn }),
+    ...(input.serviceDnsName !== undefined && {
+      serviceDnsName: input.serviceDnsName
+    }),
+    ...(input.vpceConfigurationDescription !== undefined && {
+      vpceConfigurationDescription: input.vpceConfigurationDescription
+    }),
+    ...(input.vpceConfigurationName !== undefined && {
+      vpceConfigurationName: input.vpceConfigurationName
+    }),
+    ...(input.vpceServiceName !== undefined && {
+      vpceServiceName: input.vpceServiceName
+    })
+  };
 };
 
 const deserializeAws_json1_1AccountSettings = (
diff --git a/clients/client-direct-connect/protocols/Aws_json1_1.ts b/clients/client-direct-connect/protocols/Aws_json1_1.ts
index e81ee644ca83..3545ea4b5d60 100644
--- a/clients/client-direct-connect/protocols/Aws_json1_1.ts
+++ b/clients/client-direct-connect/protocols/Aws_json1_1.ts
@@ -5399,1059 +5399,920 @@ const serializeAws_json1_1AcceptDirectConnectGatewayAssociationProposalRequest =
   input: AcceptDirectConnectGatewayAssociationProposalRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.associatedGatewayOwnerAccount !== undefined) {
-    bodyParams["associatedGatewayOwnerAccount"] =
-      input.associatedGatewayOwnerAccount;
-  }
-  if (input.directConnectGatewayId !== undefined) {
-    bodyParams["directConnectGatewayId"] = input.directConnectGatewayId;
-  }
-  if (input.overrideAllowedPrefixesToDirectConnectGateway !== undefined) {
-    bodyParams[
-      "overrideAllowedPrefixesToDirectConnectGateway"
-    ] = serializeAws_json1_1RouteFilterPrefixList(
-      input.overrideAllowedPrefixesToDirectConnectGateway,
-      context
-    );
-  }
-  if (input.proposalId !== undefined) {
-    bodyParams["proposalId"] = input.proposalId;
-  }
-  return bodyParams;
+  return {
+    ...(input.associatedGatewayOwnerAccount !== undefined && {
+      associatedGatewayOwnerAccount: input.associatedGatewayOwnerAccount
+    }),
+    ...(input.directConnectGatewayId !== undefined && {
+      directConnectGatewayId: input.directConnectGatewayId
+    }),
+    ...(input.overrideAllowedPrefixesToDirectConnectGateway !== undefined && {
+      overrideAllowedPrefixesToDirectConnectGateway: serializeAws_json1_1RouteFilterPrefixList(
+        input.overrideAllowedPrefixesToDirectConnectGateway,
+        context
+      )
+    }),
+    ...(input.proposalId !== undefined && { proposalId: input.proposalId })
+  };
 };
 
 const serializeAws_json1_1AllocateConnectionOnInterconnectRequest = (
   input: AllocateConnectionOnInterconnectRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.bandwidth !== undefined) {
-    bodyParams["bandwidth"] = input.bandwidth;
-  }
-  if (input.connectionName !== undefined) {
-    bodyParams["connectionName"] = input.connectionName;
-  }
-  if (input.interconnectId !== undefined) {
-    bodyParams["interconnectId"] = input.interconnectId;
-  }
-  if (input.ownerAccount !== undefined) {
-    bodyParams["ownerAccount"] = input.ownerAccount;
-  }
-  if (input.vlan !== undefined) {
-    bodyParams["vlan"] = input.vlan;
-  }
-  return bodyParams;
+  return {
+    ...(input.bandwidth !== undefined && { bandwidth: input.bandwidth }),
+    ...(input.connectionName !== undefined && {
+      connectionName: input.connectionName
+    }),
+    ...(input.interconnectId !== undefined && {
+      interconnectId: input.interconnectId
+    }),
+    ...(input.ownerAccount !== undefined && {
+      ownerAccount: input.ownerAccount
+    }),
+    ...(input.vlan !== undefined && { vlan: input.vlan })
+  };
 };
 
 const serializeAws_json1_1AllocateHostedConnectionRequest = (
   input: AllocateHostedConnectionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.bandwidth !== undefined) {
-    bodyParams["bandwidth"] = input.bandwidth;
-  }
-  if (input.connectionId !== undefined) {
-    bodyParams["connectionId"] = input.connectionId;
-  }
-  if (input.connectionName !== undefined) {
-    bodyParams["connectionName"] = input.connectionName;
-  }
-  if (input.ownerAccount !== undefined) {
-    bodyParams["ownerAccount"] = input.ownerAccount;
-  }
-  if (input.tags !== undefined) {
-    bodyParams["tags"] = serializeAws_json1_1TagList(input.tags, context);
-  }
-  if (input.vlan !== undefined) {
-    bodyParams["vlan"] = input.vlan;
-  }
-  return bodyParams;
+  return {
+    ...(input.bandwidth !== undefined && { bandwidth: input.bandwidth }),
+    ...(input.connectionId !== undefined && {
+      connectionId: input.connectionId
+    }),
+    ...(input.connectionName !== undefined && {
+      connectionName: input.connectionName
+    }),
+    ...(input.ownerAccount !== undefined && {
+      ownerAccount: input.ownerAccount
+    }),
+    ...(input.tags !== undefined && {
+      tags: serializeAws_json1_1TagList(input.tags, context)
+    }),
+    ...(input.vlan !== undefined && { vlan: input.vlan })
+  };
 };
 
 const serializeAws_json1_1AllocatePrivateVirtualInterfaceRequest = (
   input: AllocatePrivateVirtualInterfaceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.connectionId !== undefined) {
-    bodyParams["connectionId"] = input.connectionId;
-  }
-  if (input.newPrivateVirtualInterfaceAllocation !== undefined) {
-    bodyParams[
-      "newPrivateVirtualInterfaceAllocation"
-    ] = serializeAws_json1_1NewPrivateVirtualInterfaceAllocation(
-      input.newPrivateVirtualInterfaceAllocation,
-      context
-    );
-  }
-  if (input.ownerAccount !== undefined) {
-    bodyParams["ownerAccount"] = input.ownerAccount;
-  }
-  return bodyParams;
+  return {
+    ...(input.connectionId !== undefined && {
+      connectionId: input.connectionId
+    }),
+    ...(input.newPrivateVirtualInterfaceAllocation !== undefined && {
+      newPrivateVirtualInterfaceAllocation: serializeAws_json1_1NewPrivateVirtualInterfaceAllocation(
+        input.newPrivateVirtualInterfaceAllocation,
+        context
+      )
+    }),
+    ...(input.ownerAccount !== undefined && {
+      ownerAccount: input.ownerAccount
+    })
+  };
 };
 
 const serializeAws_json1_1AllocatePublicVirtualInterfaceRequest = (
   input: AllocatePublicVirtualInterfaceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.connectionId !== undefined) {
-    bodyParams["connectionId"] = input.connectionId;
-  }
-  if (input.newPublicVirtualInterfaceAllocation !== undefined) {
-    bodyParams[
-      "newPublicVirtualInterfaceAllocation"
-    ] = serializeAws_json1_1NewPublicVirtualInterfaceAllocation(
-      input.newPublicVirtualInterfaceAllocation,
-      context
-    );
-  }
-  if (input.ownerAccount !== undefined) {
-    bodyParams["ownerAccount"] = input.ownerAccount;
-  }
-  return bodyParams;
+  return {
+    ...(input.connectionId !== undefined && {
+      connectionId: input.connectionId
+    }),
+    ...(input.newPublicVirtualInterfaceAllocation !== undefined && {
+      newPublicVirtualInterfaceAllocation: serializeAws_json1_1NewPublicVirtualInterfaceAllocation(
+        input.newPublicVirtualInterfaceAllocation,
+        context
+      )
+    }),
+    ...(input.ownerAccount !== undefined && {
+      ownerAccount: input.ownerAccount
+    })
+  };
 };
 
 const serializeAws_json1_1AllocateTransitVirtualInterfaceRequest = (
   input: AllocateTransitVirtualInterfaceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.connectionId !== undefined) {
-    bodyParams["connectionId"] = input.connectionId;
-  }
-  if (input.newTransitVirtualInterfaceAllocation !== undefined) {
-    bodyParams[
-      "newTransitVirtualInterfaceAllocation"
-    ] = serializeAws_json1_1NewTransitVirtualInterfaceAllocation(
-      input.newTransitVirtualInterfaceAllocation,
-      context
-    );
-  }
-  if (input.ownerAccount !== undefined) {
-    bodyParams["ownerAccount"] = input.ownerAccount;
-  }
-  return bodyParams;
+  return {
+    ...(input.connectionId !== undefined && {
+      connectionId: input.connectionId
+    }),
+    ...(input.newTransitVirtualInterfaceAllocation !== undefined && {
+      newTransitVirtualInterfaceAllocation: serializeAws_json1_1NewTransitVirtualInterfaceAllocation(
+        input.newTransitVirtualInterfaceAllocation,
+        context
+      )
+    }),
+    ...(input.ownerAccount !== undefined && {
+      ownerAccount: input.ownerAccount
+    })
+  };
 };
 
 const serializeAws_json1_1AssociateConnectionWithLagRequest = (
   input: AssociateConnectionWithLagRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.connectionId !== undefined) {
-    bodyParams["connectionId"] = input.connectionId;
-  }
-  if (input.lagId !== undefined) {
-    bodyParams["lagId"] = input.lagId;
-  }
-  return bodyParams;
+  return {
+    ...(input.connectionId !== undefined && {
+      connectionId: input.connectionId
+    }),
+    ...(input.lagId !== undefined && { lagId: input.lagId })
+  };
 };
 
 const serializeAws_json1_1AssociateHostedConnectionRequest = (
   input: AssociateHostedConnectionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.connectionId !== undefined) {
-    bodyParams["connectionId"] = input.connectionId;
-  }
-  if (input.parentConnectionId !== undefined) {
-    bodyParams["parentConnectionId"] = input.parentConnectionId;
-  }
-  return bodyParams;
+  return {
+    ...(input.connectionId !== undefined && {
+      connectionId: input.connectionId
+    }),
+    ...(input.parentConnectionId !== undefined && {
+      parentConnectionId: input.parentConnectionId
+    })
+  };
 };
 
 const serializeAws_json1_1AssociateVirtualInterfaceRequest = (
   input: AssociateVirtualInterfaceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.connectionId !== undefined) {
-    bodyParams["connectionId"] = input.connectionId;
-  }
-  if (input.virtualInterfaceId !== undefined) {
-    bodyParams["virtualInterfaceId"] = input.virtualInterfaceId;
-  }
-  return bodyParams;
+  return {
+    ...(input.connectionId !== undefined && {
+      connectionId: input.connectionId
+    }),
+    ...(input.virtualInterfaceId !== undefined && {
+      virtualInterfaceId: input.virtualInterfaceId
+    })
+  };
 };
 
 const serializeAws_json1_1ConfirmConnectionRequest = (
   input: ConfirmConnectionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.connectionId !== undefined) {
-    bodyParams["connectionId"] = input.connectionId;
-  }
-  return bodyParams;
+  return {
+    ...(input.connectionId !== undefined && {
+      connectionId: input.connectionId
+    })
+  };
 };
 
 const serializeAws_json1_1ConfirmPrivateVirtualInterfaceRequest = (
   input: ConfirmPrivateVirtualInterfaceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.directConnectGatewayId !== undefined) {
-    bodyParams["directConnectGatewayId"] = input.directConnectGatewayId;
-  }
-  if (input.virtualGatewayId !== undefined) {
-    bodyParams["virtualGatewayId"] = input.virtualGatewayId;
-  }
-  if (input.virtualInterfaceId !== undefined) {
-    bodyParams["virtualInterfaceId"] = input.virtualInterfaceId;
-  }
-  return bodyParams;
+  return {
+    ...(input.directConnectGatewayId !== undefined && {
+      directConnectGatewayId: input.directConnectGatewayId
+    }),
+    ...(input.virtualGatewayId !== undefined && {
+      virtualGatewayId: input.virtualGatewayId
+    }),
+    ...(input.virtualInterfaceId !== undefined && {
+      virtualInterfaceId: input.virtualInterfaceId
+    })
+  };
 };
 
 const serializeAws_json1_1ConfirmPublicVirtualInterfaceRequest = (
   input: ConfirmPublicVirtualInterfaceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.virtualInterfaceId !== undefined) {
-    bodyParams["virtualInterfaceId"] = input.virtualInterfaceId;
-  }
-  return bodyParams;
+  return {
+    ...(input.virtualInterfaceId !== undefined && {
+      virtualInterfaceId: input.virtualInterfaceId
+    })
+  };
 };
 
 const serializeAws_json1_1ConfirmTransitVirtualInterfaceRequest = (
   input: ConfirmTransitVirtualInterfaceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.directConnectGatewayId !== undefined) {
-    bodyParams["directConnectGatewayId"] = input.directConnectGatewayId;
-  }
-  if (input.virtualInterfaceId !== undefined) {
-    bodyParams["virtualInterfaceId"] = input.virtualInterfaceId;
-  }
-  return bodyParams;
+  return {
+    ...(input.directConnectGatewayId !== undefined && {
+      directConnectGatewayId: input.directConnectGatewayId
+    }),
+    ...(input.virtualInterfaceId !== undefined && {
+      virtualInterfaceId: input.virtualInterfaceId
+    })
+  };
 };
 
 const serializeAws_json1_1CreateBGPPeerRequest = (
   input: CreateBGPPeerRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.newBGPPeer !== undefined) {
-    bodyParams["newBGPPeer"] = serializeAws_json1_1NewBGPPeer(
-      input.newBGPPeer,
-      context
-    );
-  }
-  if (input.virtualInterfaceId !== undefined) {
-    bodyParams["virtualInterfaceId"] = input.virtualInterfaceId;
-  }
-  return bodyParams;
+  return {
+    ...(input.newBGPPeer !== undefined && {
+      newBGPPeer: serializeAws_json1_1NewBGPPeer(input.newBGPPeer, context)
+    }),
+    ...(input.virtualInterfaceId !== undefined && {
+      virtualInterfaceId: input.virtualInterfaceId
+    })
+  };
 };
 
 const serializeAws_json1_1CreateConnectionRequest = (
   input: CreateConnectionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.bandwidth !== undefined) {
-    bodyParams["bandwidth"] = input.bandwidth;
-  }
-  if (input.connectionName !== undefined) {
-    bodyParams["connectionName"] = input.connectionName;
-  }
-  if (input.lagId !== undefined) {
-    bodyParams["lagId"] = input.lagId;
-  }
-  if (input.location !== undefined) {
-    bodyParams["location"] = input.location;
-  }
-  if (input.providerName !== undefined) {
-    bodyParams["providerName"] = input.providerName;
-  }
-  if (input.tags !== undefined) {
-    bodyParams["tags"] = serializeAws_json1_1TagList(input.tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.bandwidth !== undefined && { bandwidth: input.bandwidth }),
+    ...(input.connectionName !== undefined && {
+      connectionName: input.connectionName
+    }),
+    ...(input.lagId !== undefined && { lagId: input.lagId }),
+    ...(input.location !== undefined && { location: input.location }),
+    ...(input.providerName !== undefined && {
+      providerName: input.providerName
+    }),
+    ...(input.tags !== undefined && {
+      tags: serializeAws_json1_1TagList(input.tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1CreateDirectConnectGatewayAssociationProposalRequest = (
   input: CreateDirectConnectGatewayAssociationProposalRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.addAllowedPrefixesToDirectConnectGateway !== undefined) {
-    bodyParams[
-      "addAllowedPrefixesToDirectConnectGateway"
-    ] = serializeAws_json1_1RouteFilterPrefixList(
-      input.addAllowedPrefixesToDirectConnectGateway,
-      context
-    );
-  }
-  if (input.directConnectGatewayId !== undefined) {
-    bodyParams["directConnectGatewayId"] = input.directConnectGatewayId;
-  }
-  if (input.directConnectGatewayOwnerAccount !== undefined) {
-    bodyParams["directConnectGatewayOwnerAccount"] =
-      input.directConnectGatewayOwnerAccount;
-  }
-  if (input.gatewayId !== undefined) {
-    bodyParams["gatewayId"] = input.gatewayId;
-  }
-  if (input.removeAllowedPrefixesToDirectConnectGateway !== undefined) {
-    bodyParams[
-      "removeAllowedPrefixesToDirectConnectGateway"
-    ] = serializeAws_json1_1RouteFilterPrefixList(
-      input.removeAllowedPrefixesToDirectConnectGateway,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.addAllowedPrefixesToDirectConnectGateway !== undefined && {
+      addAllowedPrefixesToDirectConnectGateway: serializeAws_json1_1RouteFilterPrefixList(
+        input.addAllowedPrefixesToDirectConnectGateway,
+        context
+      )
+    }),
+    ...(input.directConnectGatewayId !== undefined && {
+      directConnectGatewayId: input.directConnectGatewayId
+    }),
+    ...(input.directConnectGatewayOwnerAccount !== undefined && {
+      directConnectGatewayOwnerAccount: input.directConnectGatewayOwnerAccount
+    }),
+    ...(input.gatewayId !== undefined && { gatewayId: input.gatewayId }),
+    ...(input.removeAllowedPrefixesToDirectConnectGateway !== undefined && {
+      removeAllowedPrefixesToDirectConnectGateway: serializeAws_json1_1RouteFilterPrefixList(
+        input.removeAllowedPrefixesToDirectConnectGateway,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1CreateDirectConnectGatewayAssociationRequest = (
   input: CreateDirectConnectGatewayAssociationRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.addAllowedPrefixesToDirectConnectGateway !== undefined) {
-    bodyParams[
-      "addAllowedPrefixesToDirectConnectGateway"
-    ] = serializeAws_json1_1RouteFilterPrefixList(
-      input.addAllowedPrefixesToDirectConnectGateway,
-      context
-    );
-  }
-  if (input.directConnectGatewayId !== undefined) {
-    bodyParams["directConnectGatewayId"] = input.directConnectGatewayId;
-  }
-  if (input.gatewayId !== undefined) {
-    bodyParams["gatewayId"] = input.gatewayId;
-  }
-  if (input.virtualGatewayId !== undefined) {
-    bodyParams["virtualGatewayId"] = input.virtualGatewayId;
-  }
-  return bodyParams;
+  return {
+    ...(input.addAllowedPrefixesToDirectConnectGateway !== undefined && {
+      addAllowedPrefixesToDirectConnectGateway: serializeAws_json1_1RouteFilterPrefixList(
+        input.addAllowedPrefixesToDirectConnectGateway,
+        context
+      )
+    }),
+    ...(input.directConnectGatewayId !== undefined && {
+      directConnectGatewayId: input.directConnectGatewayId
+    }),
+    ...(input.gatewayId !== undefined && { gatewayId: input.gatewayId }),
+    ...(input.virtualGatewayId !== undefined && {
+      virtualGatewayId: input.virtualGatewayId
+    })
+  };
 };
 
 const serializeAws_json1_1CreateDirectConnectGatewayRequest = (
   input: CreateDirectConnectGatewayRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.amazonSideAsn !== undefined) {
-    bodyParams["amazonSideAsn"] = input.amazonSideAsn;
-  }
-  if (input.directConnectGatewayName !== undefined) {
-    bodyParams["directConnectGatewayName"] = input.directConnectGatewayName;
-  }
-  return bodyParams;
+  return {
+    ...(input.amazonSideAsn !== undefined && {
+      amazonSideAsn: input.amazonSideAsn
+    }),
+    ...(input.directConnectGatewayName !== undefined && {
+      directConnectGatewayName: input.directConnectGatewayName
+    })
+  };
 };
 
 const serializeAws_json1_1CreateInterconnectRequest = (
   input: CreateInterconnectRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.bandwidth !== undefined) {
-    bodyParams["bandwidth"] = input.bandwidth;
-  }
-  if (input.interconnectName !== undefined) {
-    bodyParams["interconnectName"] = input.interconnectName;
-  }
-  if (input.lagId !== undefined) {
-    bodyParams["lagId"] = input.lagId;
-  }
-  if (input.location !== undefined) {
-    bodyParams["location"] = input.location;
-  }
-  if (input.providerName !== undefined) {
-    bodyParams["providerName"] = input.providerName;
-  }
-  if (input.tags !== undefined) {
-    bodyParams["tags"] = serializeAws_json1_1TagList(input.tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.bandwidth !== undefined && { bandwidth: input.bandwidth }),
+    ...(input.interconnectName !== undefined && {
+      interconnectName: input.interconnectName
+    }),
+    ...(input.lagId !== undefined && { lagId: input.lagId }),
+    ...(input.location !== undefined && { location: input.location }),
+    ...(input.providerName !== undefined && {
+      providerName: input.providerName
+    }),
+    ...(input.tags !== undefined && {
+      tags: serializeAws_json1_1TagList(input.tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1CreateLagRequest = (
   input: CreateLagRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.childConnectionTags !== undefined) {
-    bodyParams["childConnectionTags"] = serializeAws_json1_1TagList(
-      input.childConnectionTags,
-      context
-    );
-  }
-  if (input.connectionId !== undefined) {
-    bodyParams["connectionId"] = input.connectionId;
-  }
-  if (input.connectionsBandwidth !== undefined) {
-    bodyParams["connectionsBandwidth"] = input.connectionsBandwidth;
-  }
-  if (input.lagName !== undefined) {
-    bodyParams["lagName"] = input.lagName;
-  }
-  if (input.location !== undefined) {
-    bodyParams["location"] = input.location;
-  }
-  if (input.numberOfConnections !== undefined) {
-    bodyParams["numberOfConnections"] = input.numberOfConnections;
-  }
-  if (input.providerName !== undefined) {
-    bodyParams["providerName"] = input.providerName;
-  }
-  if (input.tags !== undefined) {
-    bodyParams["tags"] = serializeAws_json1_1TagList(input.tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.childConnectionTags !== undefined && {
+      childConnectionTags: serializeAws_json1_1TagList(
+        input.childConnectionTags,
+        context
+      )
+    }),
+    ...(input.connectionId !== undefined && {
+      connectionId: input.connectionId
+    }),
+    ...(input.connectionsBandwidth !== undefined && {
+      connectionsBandwidth: input.connectionsBandwidth
+    }),
+    ...(input.lagName !== undefined && { lagName: input.lagName }),
+    ...(input.location !== undefined && { location: input.location }),
+    ...(input.numberOfConnections !== undefined && {
+      numberOfConnections: input.numberOfConnections
+    }),
+    ...(input.providerName !== undefined && {
+      providerName: input.providerName
+    }),
+    ...(input.tags !== undefined && {
+      tags: serializeAws_json1_1TagList(input.tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1CreatePrivateVirtualInterfaceRequest = (
   input: CreatePrivateVirtualInterfaceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.connectionId !== undefined) {
-    bodyParams["connectionId"] = input.connectionId;
-  }
-  if (input.newPrivateVirtualInterface !== undefined) {
-    bodyParams[
-      "newPrivateVirtualInterface"
-    ] = serializeAws_json1_1NewPrivateVirtualInterface(
-      input.newPrivateVirtualInterface,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.connectionId !== undefined && {
+      connectionId: input.connectionId
+    }),
+    ...(input.newPrivateVirtualInterface !== undefined && {
+      newPrivateVirtualInterface: serializeAws_json1_1NewPrivateVirtualInterface(
+        input.newPrivateVirtualInterface,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1CreatePublicVirtualInterfaceRequest = (
   input: CreatePublicVirtualInterfaceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.connectionId !== undefined) {
-    bodyParams["connectionId"] = input.connectionId;
-  }
-  if (input.newPublicVirtualInterface !== undefined) {
-    bodyParams[
-      "newPublicVirtualInterface"
-    ] = serializeAws_json1_1NewPublicVirtualInterface(
-      input.newPublicVirtualInterface,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.connectionId !== undefined && {
+      connectionId: input.connectionId
+    }),
+    ...(input.newPublicVirtualInterface !== undefined && {
+      newPublicVirtualInterface: serializeAws_json1_1NewPublicVirtualInterface(
+        input.newPublicVirtualInterface,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1CreateTransitVirtualInterfaceRequest = (
   input: CreateTransitVirtualInterfaceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.connectionId !== undefined) {
-    bodyParams["connectionId"] = input.connectionId;
-  }
-  if (input.newTransitVirtualInterface !== undefined) {
-    bodyParams[
-      "newTransitVirtualInterface"
-    ] = serializeAws_json1_1NewTransitVirtualInterface(
-      input.newTransitVirtualInterface,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.connectionId !== undefined && {
+      connectionId: input.connectionId
+    }),
+    ...(input.newTransitVirtualInterface !== undefined && {
+      newTransitVirtualInterface: serializeAws_json1_1NewTransitVirtualInterface(
+        input.newTransitVirtualInterface,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteBGPPeerRequest = (
   input: DeleteBGPPeerRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.asn !== undefined) {
-    bodyParams["asn"] = input.asn;
-  }
-  if (input.bgpPeerId !== undefined) {
-    bodyParams["bgpPeerId"] = input.bgpPeerId;
-  }
-  if (input.customerAddress !== undefined) {
-    bodyParams["customerAddress"] = input.customerAddress;
-  }
-  if (input.virtualInterfaceId !== undefined) {
-    bodyParams["virtualInterfaceId"] = input.virtualInterfaceId;
-  }
-  return bodyParams;
+  return {
+    ...(input.asn !== undefined && { asn: input.asn }),
+    ...(input.bgpPeerId !== undefined && { bgpPeerId: input.bgpPeerId }),
+    ...(input.customerAddress !== undefined && {
+      customerAddress: input.customerAddress
+    }),
+    ...(input.virtualInterfaceId !== undefined && {
+      virtualInterfaceId: input.virtualInterfaceId
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteConnectionRequest = (
   input: DeleteConnectionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.connectionId !== undefined) {
-    bodyParams["connectionId"] = input.connectionId;
-  }
-  return bodyParams;
+  return {
+    ...(input.connectionId !== undefined && {
+      connectionId: input.connectionId
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteDirectConnectGatewayAssociationProposalRequest = (
   input: DeleteDirectConnectGatewayAssociationProposalRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.proposalId !== undefined) {
-    bodyParams["proposalId"] = input.proposalId;
-  }
-  return bodyParams;
+  return {
+    ...(input.proposalId !== undefined && { proposalId: input.proposalId })
+  };
 };
 
 const serializeAws_json1_1DeleteDirectConnectGatewayAssociationRequest = (
   input: DeleteDirectConnectGatewayAssociationRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.associationId !== undefined) {
-    bodyParams["associationId"] = input.associationId;
-  }
-  if (input.directConnectGatewayId !== undefined) {
-    bodyParams["directConnectGatewayId"] = input.directConnectGatewayId;
-  }
-  if (input.virtualGatewayId !== undefined) {
-    bodyParams["virtualGatewayId"] = input.virtualGatewayId;
-  }
-  return bodyParams;
+  return {
+    ...(input.associationId !== undefined && {
+      associationId: input.associationId
+    }),
+    ...(input.directConnectGatewayId !== undefined && {
+      directConnectGatewayId: input.directConnectGatewayId
+    }),
+    ...(input.virtualGatewayId !== undefined && {
+      virtualGatewayId: input.virtualGatewayId
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteDirectConnectGatewayRequest = (
   input: DeleteDirectConnectGatewayRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.directConnectGatewayId !== undefined) {
-    bodyParams["directConnectGatewayId"] = input.directConnectGatewayId;
-  }
-  return bodyParams;
+  return {
+    ...(input.directConnectGatewayId !== undefined && {
+      directConnectGatewayId: input.directConnectGatewayId
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteInterconnectRequest = (
   input: DeleteInterconnectRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.interconnectId !== undefined) {
-    bodyParams["interconnectId"] = input.interconnectId;
-  }
-  return bodyParams;
+  return {
+    ...(input.interconnectId !== undefined && {
+      interconnectId: input.interconnectId
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteLagRequest = (
   input: DeleteLagRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.lagId !== undefined) {
-    bodyParams["lagId"] = input.lagId;
-  }
-  return bodyParams;
+  return {
+    ...(input.lagId !== undefined && { lagId: input.lagId })
+  };
 };
 
 const serializeAws_json1_1DeleteVirtualInterfaceRequest = (
   input: DeleteVirtualInterfaceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.virtualInterfaceId !== undefined) {
-    bodyParams["virtualInterfaceId"] = input.virtualInterfaceId;
-  }
-  return bodyParams;
+  return {
+    ...(input.virtualInterfaceId !== undefined && {
+      virtualInterfaceId: input.virtualInterfaceId
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeConnectionLoaRequest = (
   input: DescribeConnectionLoaRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.connectionId !== undefined) {
-    bodyParams["connectionId"] = input.connectionId;
-  }
-  if (input.loaContentType !== undefined) {
-    bodyParams["loaContentType"] = input.loaContentType;
-  }
-  if (input.providerName !== undefined) {
-    bodyParams["providerName"] = input.providerName;
-  }
-  return bodyParams;
+  return {
+    ...(input.connectionId !== undefined && {
+      connectionId: input.connectionId
+    }),
+    ...(input.loaContentType !== undefined && {
+      loaContentType: input.loaContentType
+    }),
+    ...(input.providerName !== undefined && {
+      providerName: input.providerName
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeConnectionsOnInterconnectRequest = (
   input: DescribeConnectionsOnInterconnectRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.interconnectId !== undefined) {
-    bodyParams["interconnectId"] = input.interconnectId;
-  }
-  return bodyParams;
+  return {
+    ...(input.interconnectId !== undefined && {
+      interconnectId: input.interconnectId
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeConnectionsRequest = (
   input: DescribeConnectionsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.connectionId !== undefined) {
-    bodyParams["connectionId"] = input.connectionId;
-  }
-  return bodyParams;
+  return {
+    ...(input.connectionId !== undefined && {
+      connectionId: input.connectionId
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeDirectConnectGatewayAssociationProposalsRequest = (
   input: DescribeDirectConnectGatewayAssociationProposalsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.associatedGatewayId !== undefined) {
-    bodyParams["associatedGatewayId"] = input.associatedGatewayId;
-  }
-  if (input.directConnectGatewayId !== undefined) {
-    bodyParams["directConnectGatewayId"] = input.directConnectGatewayId;
-  }
-  if (input.maxResults !== undefined) {
-    bodyParams["maxResults"] = input.maxResults;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  if (input.proposalId !== undefined) {
-    bodyParams["proposalId"] = input.proposalId;
-  }
-  return bodyParams;
+  return {
+    ...(input.associatedGatewayId !== undefined && {
+      associatedGatewayId: input.associatedGatewayId
+    }),
+    ...(input.directConnectGatewayId !== undefined && {
+      directConnectGatewayId: input.directConnectGatewayId
+    }),
+    ...(input.maxResults !== undefined && { maxResults: input.maxResults }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken }),
+    ...(input.proposalId !== undefined && { proposalId: input.proposalId })
+  };
 };
 
 const serializeAws_json1_1DescribeDirectConnectGatewayAssociationsRequest = (
   input: DescribeDirectConnectGatewayAssociationsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.associatedGatewayId !== undefined) {
-    bodyParams["associatedGatewayId"] = input.associatedGatewayId;
-  }
-  if (input.associationId !== undefined) {
-    bodyParams["associationId"] = input.associationId;
-  }
-  if (input.directConnectGatewayId !== undefined) {
-    bodyParams["directConnectGatewayId"] = input.directConnectGatewayId;
-  }
-  if (input.maxResults !== undefined) {
-    bodyParams["maxResults"] = input.maxResults;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  if (input.virtualGatewayId !== undefined) {
-    bodyParams["virtualGatewayId"] = input.virtualGatewayId;
-  }
-  return bodyParams;
+  return {
+    ...(input.associatedGatewayId !== undefined && {
+      associatedGatewayId: input.associatedGatewayId
+    }),
+    ...(input.associationId !== undefined && {
+      associationId: input.associationId
+    }),
+    ...(input.directConnectGatewayId !== undefined && {
+      directConnectGatewayId: input.directConnectGatewayId
+    }),
+    ...(input.maxResults !== undefined && { maxResults: input.maxResults }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken }),
+    ...(input.virtualGatewayId !== undefined && {
+      virtualGatewayId: input.virtualGatewayId
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeDirectConnectGatewayAttachmentsRequest = (
   input: DescribeDirectConnectGatewayAttachmentsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.directConnectGatewayId !== undefined) {
-    bodyParams["directConnectGatewayId"] = input.directConnectGatewayId;
-  }
-  if (input.maxResults !== undefined) {
-    bodyParams["maxResults"] = input.maxResults;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  if (input.virtualInterfaceId !== undefined) {
-    bodyParams["virtualInterfaceId"] = input.virtualInterfaceId;
-  }
-  return bodyParams;
+  return {
+    ...(input.directConnectGatewayId !== undefined && {
+      directConnectGatewayId: input.directConnectGatewayId
+    }),
+    ...(input.maxResults !== undefined && { maxResults: input.maxResults }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken }),
+    ...(input.virtualInterfaceId !== undefined && {
+      virtualInterfaceId: input.virtualInterfaceId
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeDirectConnectGatewaysRequest = (
   input: DescribeDirectConnectGatewaysRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.directConnectGatewayId !== undefined) {
-    bodyParams["directConnectGatewayId"] = input.directConnectGatewayId;
-  }
-  if (input.maxResults !== undefined) {
-    bodyParams["maxResults"] = input.maxResults;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.directConnectGatewayId !== undefined && {
+      directConnectGatewayId: input.directConnectGatewayId
+    }),
+    ...(input.maxResults !== undefined && { maxResults: input.maxResults }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken })
+  };
 };
 
 const serializeAws_json1_1DescribeHostedConnectionsRequest = (
   input: DescribeHostedConnectionsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.connectionId !== undefined) {
-    bodyParams["connectionId"] = input.connectionId;
-  }
-  return bodyParams;
+  return {
+    ...(input.connectionId !== undefined && {
+      connectionId: input.connectionId
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeInterconnectLoaRequest = (
   input: DescribeInterconnectLoaRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.interconnectId !== undefined) {
-    bodyParams["interconnectId"] = input.interconnectId;
-  }
-  if (input.loaContentType !== undefined) {
-    bodyParams["loaContentType"] = input.loaContentType;
-  }
-  if (input.providerName !== undefined) {
-    bodyParams["providerName"] = input.providerName;
-  }
-  return bodyParams;
+  return {
+    ...(input.interconnectId !== undefined && {
+      interconnectId: input.interconnectId
+    }),
+    ...(input.loaContentType !== undefined && {
+      loaContentType: input.loaContentType
+    }),
+    ...(input.providerName !== undefined && {
+      providerName: input.providerName
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeInterconnectsRequest = (
   input: DescribeInterconnectsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.interconnectId !== undefined) {
-    bodyParams["interconnectId"] = input.interconnectId;
-  }
-  return bodyParams;
+  return {
+    ...(input.interconnectId !== undefined && {
+      interconnectId: input.interconnectId
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeLagsRequest = (
   input: DescribeLagsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.lagId !== undefined) {
-    bodyParams["lagId"] = input.lagId;
-  }
-  return bodyParams;
+  return {
+    ...(input.lagId !== undefined && { lagId: input.lagId })
+  };
 };
 
 const serializeAws_json1_1DescribeLoaRequest = (
   input: DescribeLoaRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.connectionId !== undefined) {
-    bodyParams["connectionId"] = input.connectionId;
-  }
-  if (input.loaContentType !== undefined) {
-    bodyParams["loaContentType"] = input.loaContentType;
-  }
-  if (input.providerName !== undefined) {
-    bodyParams["providerName"] = input.providerName;
-  }
-  return bodyParams;
+  return {
+    ...(input.connectionId !== undefined && {
+      connectionId: input.connectionId
+    }),
+    ...(input.loaContentType !== undefined && {
+      loaContentType: input.loaContentType
+    }),
+    ...(input.providerName !== undefined && {
+      providerName: input.providerName
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeTagsRequest = (
   input: DescribeTagsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.resourceArns !== undefined) {
-    bodyParams["resourceArns"] = serializeAws_json1_1ResourceArnList(
-      input.resourceArns,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.resourceArns !== undefined && {
+      resourceArns: serializeAws_json1_1ResourceArnList(
+        input.resourceArns,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeVirtualInterfacesRequest = (
   input: DescribeVirtualInterfacesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.connectionId !== undefined) {
-    bodyParams["connectionId"] = input.connectionId;
-  }
-  if (input.virtualInterfaceId !== undefined) {
-    bodyParams["virtualInterfaceId"] = input.virtualInterfaceId;
-  }
-  return bodyParams;
+  return {
+    ...(input.connectionId !== undefined && {
+      connectionId: input.connectionId
+    }),
+    ...(input.virtualInterfaceId !== undefined && {
+      virtualInterfaceId: input.virtualInterfaceId
+    })
+  };
 };
 
 const serializeAws_json1_1DisassociateConnectionFromLagRequest = (
   input: DisassociateConnectionFromLagRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.connectionId !== undefined) {
-    bodyParams["connectionId"] = input.connectionId;
-  }
-  if (input.lagId !== undefined) {
-    bodyParams["lagId"] = input.lagId;
-  }
-  return bodyParams;
+  return {
+    ...(input.connectionId !== undefined && {
+      connectionId: input.connectionId
+    }),
+    ...(input.lagId !== undefined && { lagId: input.lagId })
+  };
 };
 
 const serializeAws_json1_1NewBGPPeer = (
   input: NewBGPPeer,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.addressFamily !== undefined) {
-    bodyParams["addressFamily"] = input.addressFamily;
-  }
-  if (input.amazonAddress !== undefined) {
-    bodyParams["amazonAddress"] = input.amazonAddress;
-  }
-  if (input.asn !== undefined) {
-    bodyParams["asn"] = input.asn;
-  }
-  if (input.authKey !== undefined) {
-    bodyParams["authKey"] = input.authKey;
-  }
-  if (input.customerAddress !== undefined) {
-    bodyParams["customerAddress"] = input.customerAddress;
-  }
-  return bodyParams;
+  return {
+    ...(input.addressFamily !== undefined && {
+      addressFamily: input.addressFamily
+    }),
+    ...(input.amazonAddress !== undefined && {
+      amazonAddress: input.amazonAddress
+    }),
+    ...(input.asn !== undefined && { asn: input.asn }),
+    ...(input.authKey !== undefined && { authKey: input.authKey }),
+    ...(input.customerAddress !== undefined && {
+      customerAddress: input.customerAddress
+    })
+  };
 };
 
 const serializeAws_json1_1NewPrivateVirtualInterface = (
   input: NewPrivateVirtualInterface,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.addressFamily !== undefined) {
-    bodyParams["addressFamily"] = input.addressFamily;
-  }
-  if (input.amazonAddress !== undefined) {
-    bodyParams["amazonAddress"] = input.amazonAddress;
-  }
-  if (input.asn !== undefined) {
-    bodyParams["asn"] = input.asn;
-  }
-  if (input.authKey !== undefined) {
-    bodyParams["authKey"] = input.authKey;
-  }
-  if (input.customerAddress !== undefined) {
-    bodyParams["customerAddress"] = input.customerAddress;
-  }
-  if (input.directConnectGatewayId !== undefined) {
-    bodyParams["directConnectGatewayId"] = input.directConnectGatewayId;
-  }
-  if (input.mtu !== undefined) {
-    bodyParams["mtu"] = input.mtu;
-  }
-  if (input.tags !== undefined) {
-    bodyParams["tags"] = serializeAws_json1_1TagList(input.tags, context);
-  }
-  if (input.virtualGatewayId !== undefined) {
-    bodyParams["virtualGatewayId"] = input.virtualGatewayId;
-  }
-  if (input.virtualInterfaceName !== undefined) {
-    bodyParams["virtualInterfaceName"] = input.virtualInterfaceName;
-  }
-  if (input.vlan !== undefined) {
-    bodyParams["vlan"] = input.vlan;
-  }
-  return bodyParams;
+  return {
+    ...(input.addressFamily !== undefined && {
+      addressFamily: input.addressFamily
+    }),
+    ...(input.amazonAddress !== undefined && {
+      amazonAddress: input.amazonAddress
+    }),
+    ...(input.asn !== undefined && { asn: input.asn }),
+    ...(input.authKey !== undefined && { authKey: input.authKey }),
+    ...(input.customerAddress !== undefined && {
+      customerAddress: input.customerAddress
+    }),
+    ...(input.directConnectGatewayId !== undefined && {
+      directConnectGatewayId: input.directConnectGatewayId
+    }),
+    ...(input.mtu !== undefined && { mtu: input.mtu }),
+    ...(input.tags !== undefined && {
+      tags: serializeAws_json1_1TagList(input.tags, context)
+    }),
+    ...(input.virtualGatewayId !== undefined && {
+      virtualGatewayId: input.virtualGatewayId
+    }),
+    ...(input.virtualInterfaceName !== undefined && {
+      virtualInterfaceName: input.virtualInterfaceName
+    }),
+    ...(input.vlan !== undefined && { vlan: input.vlan })
+  };
 };
 
 const serializeAws_json1_1NewPrivateVirtualInterfaceAllocation = (
   input: NewPrivateVirtualInterfaceAllocation,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.addressFamily !== undefined) {
-    bodyParams["addressFamily"] = input.addressFamily;
-  }
-  if (input.amazonAddress !== undefined) {
-    bodyParams["amazonAddress"] = input.amazonAddress;
-  }
-  if (input.asn !== undefined) {
-    bodyParams["asn"] = input.asn;
-  }
-  if (input.authKey !== undefined) {
-    bodyParams["authKey"] = input.authKey;
-  }
-  if (input.customerAddress !== undefined) {
-    bodyParams["customerAddress"] = input.customerAddress;
-  }
-  if (input.mtu !== undefined) {
-    bodyParams["mtu"] = input.mtu;
-  }
-  if (input.tags !== undefined) {
-    bodyParams["tags"] = serializeAws_json1_1TagList(input.tags, context);
-  }
-  if (input.virtualInterfaceName !== undefined) {
-    bodyParams["virtualInterfaceName"] = input.virtualInterfaceName;
-  }
-  if (input.vlan !== undefined) {
-    bodyParams["vlan"] = input.vlan;
-  }
-  return bodyParams;
+  return {
+    ...(input.addressFamily !== undefined && {
+      addressFamily: input.addressFamily
+    }),
+    ...(input.amazonAddress !== undefined && {
+      amazonAddress: input.amazonAddress
+    }),
+    ...(input.asn !== undefined && { asn: input.asn }),
+    ...(input.authKey !== undefined && { authKey: input.authKey }),
+    ...(input.customerAddress !== undefined && {
+      customerAddress: input.customerAddress
+    }),
+    ...(input.mtu !== undefined && { mtu: input.mtu }),
+    ...(input.tags !== undefined && {
+      tags: serializeAws_json1_1TagList(input.tags, context)
+    }),
+    ...(input.virtualInterfaceName !== undefined && {
+      virtualInterfaceName: input.virtualInterfaceName
+    }),
+    ...(input.vlan !== undefined && { vlan: input.vlan })
+  };
 };
 
 const serializeAws_json1_1NewPublicVirtualInterface = (
   input: NewPublicVirtualInterface,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.addressFamily !== undefined) {
-    bodyParams["addressFamily"] = input.addressFamily;
-  }
-  if (input.amazonAddress !== undefined) {
-    bodyParams["amazonAddress"] = input.amazonAddress;
-  }
-  if (input.asn !== undefined) {
-    bodyParams["asn"] = input.asn;
-  }
-  if (input.authKey !== undefined) {
-    bodyParams["authKey"] = input.authKey;
-  }
-  if (input.customerAddress !== undefined) {
-    bodyParams["customerAddress"] = input.customerAddress;
-  }
-  if (input.routeFilterPrefixes !== undefined) {
-    bodyParams[
-      "routeFilterPrefixes"
-    ] = serializeAws_json1_1RouteFilterPrefixList(
-      input.routeFilterPrefixes,
-      context
-    );
-  }
-  if (input.tags !== undefined) {
-    bodyParams["tags"] = serializeAws_json1_1TagList(input.tags, context);
-  }
-  if (input.virtualInterfaceName !== undefined) {
-    bodyParams["virtualInterfaceName"] = input.virtualInterfaceName;
-  }
-  if (input.vlan !== undefined) {
-    bodyParams["vlan"] = input.vlan;
-  }
-  return bodyParams;
+  return {
+    ...(input.addressFamily !== undefined && {
+      addressFamily: input.addressFamily
+    }),
+    ...(input.amazonAddress !== undefined && {
+      amazonAddress: input.amazonAddress
+    }),
+    ...(input.asn !== undefined && { asn: input.asn }),
+    ...(input.authKey !== undefined && { authKey: input.authKey }),
+    ...(input.customerAddress !== undefined && {
+      customerAddress: input.customerAddress
+    }),
+    ...(input.routeFilterPrefixes !== undefined && {
+      routeFilterPrefixes: serializeAws_json1_1RouteFilterPrefixList(
+        input.routeFilterPrefixes,
+        context
+      )
+    }),
+    ...(input.tags !== undefined && {
+      tags: serializeAws_json1_1TagList(input.tags, context)
+    }),
+    ...(input.virtualInterfaceName !== undefined && {
+      virtualInterfaceName: input.virtualInterfaceName
+    }),
+    ...(input.vlan !== undefined && { vlan: input.vlan })
+  };
 };
 
 const serializeAws_json1_1NewPublicVirtualInterfaceAllocation = (
   input: NewPublicVirtualInterfaceAllocation,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.addressFamily !== undefined) {
-    bodyParams["addressFamily"] = input.addressFamily;
-  }
-  if (input.amazonAddress !== undefined) {
-    bodyParams["amazonAddress"] = input.amazonAddress;
-  }
-  if (input.asn !== undefined) {
-    bodyParams["asn"] = input.asn;
-  }
-  if (input.authKey !== undefined) {
-    bodyParams["authKey"] = input.authKey;
-  }
-  if (input.customerAddress !== undefined) {
-    bodyParams["customerAddress"] = input.customerAddress;
-  }
-  if (input.routeFilterPrefixes !== undefined) {
-    bodyParams[
-      "routeFilterPrefixes"
-    ] = serializeAws_json1_1RouteFilterPrefixList(
-      input.routeFilterPrefixes,
-      context
-    );
-  }
-  if (input.tags !== undefined) {
-    bodyParams["tags"] = serializeAws_json1_1TagList(input.tags, context);
-  }
-  if (input.virtualInterfaceName !== undefined) {
-    bodyParams["virtualInterfaceName"] = input.virtualInterfaceName;
-  }
-  if (input.vlan !== undefined) {
-    bodyParams["vlan"] = input.vlan;
-  }
-  return bodyParams;
+  return {
+    ...(input.addressFamily !== undefined && {
+      addressFamily: input.addressFamily
+    }),
+    ...(input.amazonAddress !== undefined && {
+      amazonAddress: input.amazonAddress
+    }),
+    ...(input.asn !== undefined && { asn: input.asn }),
+    ...(input.authKey !== undefined && { authKey: input.authKey }),
+    ...(input.customerAddress !== undefined && {
+      customerAddress: input.customerAddress
+    }),
+    ...(input.routeFilterPrefixes !== undefined && {
+      routeFilterPrefixes: serializeAws_json1_1RouteFilterPrefixList(
+        input.routeFilterPrefixes,
+        context
+      )
+    }),
+    ...(input.tags !== undefined && {
+      tags: serializeAws_json1_1TagList(input.tags, context)
+    }),
+    ...(input.virtualInterfaceName !== undefined && {
+      virtualInterfaceName: input.virtualInterfaceName
+    }),
+    ...(input.vlan !== undefined && { vlan: input.vlan })
+  };
 };
 
 const serializeAws_json1_1NewTransitVirtualInterface = (
   input: NewTransitVirtualInterface,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.addressFamily !== undefined) {
-    bodyParams["addressFamily"] = input.addressFamily;
-  }
-  if (input.amazonAddress !== undefined) {
-    bodyParams["amazonAddress"] = input.amazonAddress;
-  }
-  if (input.asn !== undefined) {
-    bodyParams["asn"] = input.asn;
-  }
-  if (input.authKey !== undefined) {
-    bodyParams["authKey"] = input.authKey;
-  }
-  if (input.customerAddress !== undefined) {
-    bodyParams["customerAddress"] = input.customerAddress;
-  }
-  if (input.directConnectGatewayId !== undefined) {
-    bodyParams["directConnectGatewayId"] = input.directConnectGatewayId;
-  }
-  if (input.mtu !== undefined) {
-    bodyParams["mtu"] = input.mtu;
-  }
-  if (input.tags !== undefined) {
-    bodyParams["tags"] = serializeAws_json1_1TagList(input.tags, context);
-  }
-  if (input.virtualInterfaceName !== undefined) {
-    bodyParams["virtualInterfaceName"] = input.virtualInterfaceName;
-  }
-  if (input.vlan !== undefined) {
-    bodyParams["vlan"] = input.vlan;
-  }
-  return bodyParams;
+  return {
+    ...(input.addressFamily !== undefined && {
+      addressFamily: input.addressFamily
+    }),
+    ...(input.amazonAddress !== undefined && {
+      amazonAddress: input.amazonAddress
+    }),
+    ...(input.asn !== undefined && { asn: input.asn }),
+    ...(input.authKey !== undefined && { authKey: input.authKey }),
+    ...(input.customerAddress !== undefined && {
+      customerAddress: input.customerAddress
+    }),
+    ...(input.directConnectGatewayId !== undefined && {
+      directConnectGatewayId: input.directConnectGatewayId
+    }),
+    ...(input.mtu !== undefined && { mtu: input.mtu }),
+    ...(input.tags !== undefined && {
+      tags: serializeAws_json1_1TagList(input.tags, context)
+    }),
+    ...(input.virtualInterfaceName !== undefined && {
+      virtualInterfaceName: input.virtualInterfaceName
+    }),
+    ...(input.vlan !== undefined && { vlan: input.vlan })
+  };
 };
 
 const serializeAws_json1_1NewTransitVirtualInterfaceAllocation = (
   input: NewTransitVirtualInterfaceAllocation,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.addressFamily !== undefined) {
-    bodyParams["addressFamily"] = input.addressFamily;
-  }
-  if (input.amazonAddress !== undefined) {
-    bodyParams["amazonAddress"] = input.amazonAddress;
-  }
-  if (input.asn !== undefined) {
-    bodyParams["asn"] = input.asn;
-  }
-  if (input.authKey !== undefined) {
-    bodyParams["authKey"] = input.authKey;
-  }
-  if (input.customerAddress !== undefined) {
-    bodyParams["customerAddress"] = input.customerAddress;
-  }
-  if (input.mtu !== undefined) {
-    bodyParams["mtu"] = input.mtu;
-  }
-  if (input.tags !== undefined) {
-    bodyParams["tags"] = serializeAws_json1_1TagList(input.tags, context);
-  }
-  if (input.virtualInterfaceName !== undefined) {
-    bodyParams["virtualInterfaceName"] = input.virtualInterfaceName;
-  }
-  if (input.vlan !== undefined) {
-    bodyParams["vlan"] = input.vlan;
-  }
-  return bodyParams;
+  return {
+    ...(input.addressFamily !== undefined && {
+      addressFamily: input.addressFamily
+    }),
+    ...(input.amazonAddress !== undefined && {
+      amazonAddress: input.amazonAddress
+    }),
+    ...(input.asn !== undefined && { asn: input.asn }),
+    ...(input.authKey !== undefined && { authKey: input.authKey }),
+    ...(input.customerAddress !== undefined && {
+      customerAddress: input.customerAddress
+    }),
+    ...(input.mtu !== undefined && { mtu: input.mtu }),
+    ...(input.tags !== undefined && {
+      tags: serializeAws_json1_1TagList(input.tags, context)
+    }),
+    ...(input.virtualInterfaceName !== undefined && {
+      virtualInterfaceName: input.virtualInterfaceName
+    }),
+    ...(input.vlan !== undefined && { vlan: input.vlan })
+  };
 };
 
 const serializeAws_json1_1ResourceArnList = (
@@ -6465,11 +6326,9 @@ const serializeAws_json1_1RouteFilterPrefix = (
   input: RouteFilterPrefix,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.cidr !== undefined) {
-    bodyParams["cidr"] = input.cidr;
-  }
-  return bodyParams;
+  return {
+    ...(input.cidr !== undefined && { cidr: input.cidr })
+  };
 };
 
 const serializeAws_json1_1RouteFilterPrefixList = (
@@ -6482,14 +6341,10 @@ const serializeAws_json1_1RouteFilterPrefixList = (
 };
 
 const serializeAws_json1_1Tag = (input: Tag, context: __SerdeContext): any => {
-  const bodyParams: any = {};
-  if (input.key !== undefined) {
-    bodyParams["key"] = input.key;
-  }
-  if (input.value !== undefined) {
-    bodyParams["value"] = input.value;
-  }
-  return bodyParams;
+  return {
+    ...(input.key !== undefined && { key: input.key }),
+    ...(input.value !== undefined && { value: input.value })
+  };
 };
 
 const serializeAws_json1_1TagKeyList = (
@@ -6510,89 +6365,72 @@ const serializeAws_json1_1TagResourceRequest = (
   input: TagResourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.resourceArn !== undefined) {
-    bodyParams["resourceArn"] = input.resourceArn;
-  }
-  if (input.tags !== undefined) {
-    bodyParams["tags"] = serializeAws_json1_1TagList(input.tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.resourceArn !== undefined && { resourceArn: input.resourceArn }),
+    ...(input.tags !== undefined && {
+      tags: serializeAws_json1_1TagList(input.tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1UntagResourceRequest = (
   input: UntagResourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.resourceArn !== undefined) {
-    bodyParams["resourceArn"] = input.resourceArn;
-  }
-  if (input.tagKeys !== undefined) {
-    bodyParams["tagKeys"] = serializeAws_json1_1TagKeyList(
-      input.tagKeys,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.resourceArn !== undefined && { resourceArn: input.resourceArn }),
+    ...(input.tagKeys !== undefined && {
+      tagKeys: serializeAws_json1_1TagKeyList(input.tagKeys, context)
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateDirectConnectGatewayAssociationRequest = (
   input: UpdateDirectConnectGatewayAssociationRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.addAllowedPrefixesToDirectConnectGateway !== undefined) {
-    bodyParams[
-      "addAllowedPrefixesToDirectConnectGateway"
-    ] = serializeAws_json1_1RouteFilterPrefixList(
-      input.addAllowedPrefixesToDirectConnectGateway,
-      context
-    );
-  }
-  if (input.associationId !== undefined) {
-    bodyParams["associationId"] = input.associationId;
-  }
-  if (input.removeAllowedPrefixesToDirectConnectGateway !== undefined) {
-    bodyParams[
-      "removeAllowedPrefixesToDirectConnectGateway"
-    ] = serializeAws_json1_1RouteFilterPrefixList(
-      input.removeAllowedPrefixesToDirectConnectGateway,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.addAllowedPrefixesToDirectConnectGateway !== undefined && {
+      addAllowedPrefixesToDirectConnectGateway: serializeAws_json1_1RouteFilterPrefixList(
+        input.addAllowedPrefixesToDirectConnectGateway,
+        context
+      )
+    }),
+    ...(input.associationId !== undefined && {
+      associationId: input.associationId
+    }),
+    ...(input.removeAllowedPrefixesToDirectConnectGateway !== undefined && {
+      removeAllowedPrefixesToDirectConnectGateway: serializeAws_json1_1RouteFilterPrefixList(
+        input.removeAllowedPrefixesToDirectConnectGateway,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateLagRequest = (
   input: UpdateLagRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.lagId !== undefined) {
-    bodyParams["lagId"] = input.lagId;
-  }
-  if (input.lagName !== undefined) {
-    bodyParams["lagName"] = input.lagName;
-  }
-  if (input.minimumLinks !== undefined) {
-    bodyParams["minimumLinks"] = input.minimumLinks;
-  }
-  return bodyParams;
+  return {
+    ...(input.lagId !== undefined && { lagId: input.lagId }),
+    ...(input.lagName !== undefined && { lagName: input.lagName }),
+    ...(input.minimumLinks !== undefined && {
+      minimumLinks: input.minimumLinks
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateVirtualInterfaceAttributesRequest = (
   input: UpdateVirtualInterfaceAttributesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.mtu !== undefined) {
-    bodyParams["mtu"] = input.mtu;
-  }
-  if (input.virtualInterfaceId !== undefined) {
-    bodyParams["virtualInterfaceId"] = input.virtualInterfaceId;
-  }
-  return bodyParams;
+  return {
+    ...(input.mtu !== undefined && { mtu: input.mtu }),
+    ...(input.virtualInterfaceId !== undefined && {
+      virtualInterfaceId: input.virtualInterfaceId
+    })
+  };
 };
 
 const deserializeAws_json1_1AcceptDirectConnectGatewayAssociationProposalResult = (
diff --git a/clients/client-directory-service/protocols/Aws_json1_1.ts b/clients/client-directory-service/protocols/Aws_json1_1.ts
index 134fda399a4e..81fe63b4833f 100644
--- a/clients/client-directory-service/protocols/Aws_json1_1.ts
+++ b/clients/client-directory-service/protocols/Aws_json1_1.ts
@@ -8029,60 +8029,49 @@ const serializeAws_json1_1AcceptSharedDirectoryRequest = (
   input: AcceptSharedDirectoryRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.SharedDirectoryId !== undefined) {
-    bodyParams["SharedDirectoryId"] = input.SharedDirectoryId;
-  }
-  return bodyParams;
+  return {
+    ...(input.SharedDirectoryId !== undefined && {
+      SharedDirectoryId: input.SharedDirectoryId
+    })
+  };
 };
 
 const serializeAws_json1_1AddIpRoutesRequest = (
   input: AddIpRoutesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DirectoryId !== undefined) {
-    bodyParams["DirectoryId"] = input.DirectoryId;
-  }
-  if (input.IpRoutes !== undefined) {
-    bodyParams["IpRoutes"] = serializeAws_json1_1IpRoutes(
-      input.IpRoutes,
-      context
-    );
-  }
-  if (input.UpdateSecurityGroupForDirectoryControllers !== undefined) {
-    bodyParams["UpdateSecurityGroupForDirectoryControllers"] =
-      input.UpdateSecurityGroupForDirectoryControllers;
-  }
-  return bodyParams;
+  return {
+    ...(input.DirectoryId !== undefined && { DirectoryId: input.DirectoryId }),
+    ...(input.IpRoutes !== undefined && {
+      IpRoutes: serializeAws_json1_1IpRoutes(input.IpRoutes, context)
+    }),
+    ...(input.UpdateSecurityGroupForDirectoryControllers !== undefined && {
+      UpdateSecurityGroupForDirectoryControllers:
+        input.UpdateSecurityGroupForDirectoryControllers
+    })
+  };
 };
 
 const serializeAws_json1_1AddTagsToResourceRequest = (
   input: AddTagsToResourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceId !== undefined) {
-    bodyParams["ResourceId"] = input.ResourceId;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1Tags(input.Tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceId !== undefined && { ResourceId: input.ResourceId }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1Tags(input.Tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1Attribute = (
   input: Attribute,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.Value !== undefined) {
-    bodyParams["Value"] = input.Value;
-  }
-  return bodyParams;
+  return {
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.Value !== undefined && { Value: input.Value })
+  };
 };
 
 const serializeAws_json1_1Attributes = (
@@ -8096,14 +8085,12 @@ const serializeAws_json1_1CancelSchemaExtensionRequest = (
   input: CancelSchemaExtensionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DirectoryId !== undefined) {
-    bodyParams["DirectoryId"] = input.DirectoryId;
-  }
-  if (input.SchemaExtensionId !== undefined) {
-    bodyParams["SchemaExtensionId"] = input.SchemaExtensionId;
-  }
-  return bodyParams;
+  return {
+    ...(input.DirectoryId !== undefined && { DirectoryId: input.DirectoryId }),
+    ...(input.SchemaExtensionId !== undefined && {
+      SchemaExtensionId: input.SchemaExtensionId
+    })
+  };
 };
 
 const serializeAws_json1_1CidrIps = (
@@ -8117,515 +8104,390 @@ const serializeAws_json1_1ConnectDirectoryRequest = (
   input: ConnectDirectoryRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ConnectSettings !== undefined) {
-    bodyParams[
-      "ConnectSettings"
-    ] = serializeAws_json1_1DirectoryConnectSettings(
-      input.ConnectSettings,
-      context
-    );
-  }
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.Password !== undefined) {
-    bodyParams["Password"] = input.Password;
-  }
-  if (input.ShortName !== undefined) {
-    bodyParams["ShortName"] = input.ShortName;
-  }
-  if (input.Size !== undefined) {
-    bodyParams["Size"] = input.Size;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1Tags(input.Tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.ConnectSettings !== undefined && {
+      ConnectSettings: serializeAws_json1_1DirectoryConnectSettings(
+        input.ConnectSettings,
+        context
+      )
+    }),
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.Password !== undefined && { Password: input.Password }),
+    ...(input.ShortName !== undefined && { ShortName: input.ShortName }),
+    ...(input.Size !== undefined && { Size: input.Size }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1Tags(input.Tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1CreateAliasRequest = (
   input: CreateAliasRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Alias !== undefined) {
-    bodyParams["Alias"] = input.Alias;
-  }
-  if (input.DirectoryId !== undefined) {
-    bodyParams["DirectoryId"] = input.DirectoryId;
-  }
-  return bodyParams;
+  return {
+    ...(input.Alias !== undefined && { Alias: input.Alias }),
+    ...(input.DirectoryId !== undefined && { DirectoryId: input.DirectoryId })
+  };
 };
 
 const serializeAws_json1_1CreateComputerRequest = (
   input: CreateComputerRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ComputerAttributes !== undefined) {
-    bodyParams["ComputerAttributes"] = serializeAws_json1_1Attributes(
-      input.ComputerAttributes,
-      context
-    );
-  }
-  if (input.ComputerName !== undefined) {
-    bodyParams["ComputerName"] = input.ComputerName;
-  }
-  if (input.DirectoryId !== undefined) {
-    bodyParams["DirectoryId"] = input.DirectoryId;
-  }
-  if (input.OrganizationalUnitDistinguishedName !== undefined) {
-    bodyParams["OrganizationalUnitDistinguishedName"] =
-      input.OrganizationalUnitDistinguishedName;
-  }
-  if (input.Password !== undefined) {
-    bodyParams["Password"] = input.Password;
-  }
-  return bodyParams;
+  return {
+    ...(input.ComputerAttributes !== undefined && {
+      ComputerAttributes: serializeAws_json1_1Attributes(
+        input.ComputerAttributes,
+        context
+      )
+    }),
+    ...(input.ComputerName !== undefined && {
+      ComputerName: input.ComputerName
+    }),
+    ...(input.DirectoryId !== undefined && { DirectoryId: input.DirectoryId }),
+    ...(input.OrganizationalUnitDistinguishedName !== undefined && {
+      OrganizationalUnitDistinguishedName:
+        input.OrganizationalUnitDistinguishedName
+    }),
+    ...(input.Password !== undefined && { Password: input.Password })
+  };
 };
 
 const serializeAws_json1_1CreateConditionalForwarderRequest = (
   input: CreateConditionalForwarderRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DirectoryId !== undefined) {
-    bodyParams["DirectoryId"] = input.DirectoryId;
-  }
-  if (input.DnsIpAddrs !== undefined) {
-    bodyParams["DnsIpAddrs"] = serializeAws_json1_1DnsIpAddrs(
-      input.DnsIpAddrs,
-      context
-    );
-  }
-  if (input.RemoteDomainName !== undefined) {
-    bodyParams["RemoteDomainName"] = input.RemoteDomainName;
-  }
-  return bodyParams;
+  return {
+    ...(input.DirectoryId !== undefined && { DirectoryId: input.DirectoryId }),
+    ...(input.DnsIpAddrs !== undefined && {
+      DnsIpAddrs: serializeAws_json1_1DnsIpAddrs(input.DnsIpAddrs, context)
+    }),
+    ...(input.RemoteDomainName !== undefined && {
+      RemoteDomainName: input.RemoteDomainName
+    })
+  };
 };
 
 const serializeAws_json1_1CreateDirectoryRequest = (
   input: CreateDirectoryRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.Password !== undefined) {
-    bodyParams["Password"] = input.Password;
-  }
-  if (input.ShortName !== undefined) {
-    bodyParams["ShortName"] = input.ShortName;
-  }
-  if (input.Size !== undefined) {
-    bodyParams["Size"] = input.Size;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1Tags(input.Tags, context);
-  }
-  if (input.VpcSettings !== undefined) {
-    bodyParams["VpcSettings"] = serializeAws_json1_1DirectoryVpcSettings(
-      input.VpcSettings,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.Password !== undefined && { Password: input.Password }),
+    ...(input.ShortName !== undefined && { ShortName: input.ShortName }),
+    ...(input.Size !== undefined && { Size: input.Size }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1Tags(input.Tags, context)
+    }),
+    ...(input.VpcSettings !== undefined && {
+      VpcSettings: serializeAws_json1_1DirectoryVpcSettings(
+        input.VpcSettings,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1CreateLogSubscriptionRequest = (
   input: CreateLogSubscriptionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DirectoryId !== undefined) {
-    bodyParams["DirectoryId"] = input.DirectoryId;
-  }
-  if (input.LogGroupName !== undefined) {
-    bodyParams["LogGroupName"] = input.LogGroupName;
-  }
-  return bodyParams;
+  return {
+    ...(input.DirectoryId !== undefined && { DirectoryId: input.DirectoryId }),
+    ...(input.LogGroupName !== undefined && {
+      LogGroupName: input.LogGroupName
+    })
+  };
 };
 
 const serializeAws_json1_1CreateMicrosoftADRequest = (
   input: CreateMicrosoftADRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.Edition !== undefined) {
-    bodyParams["Edition"] = input.Edition;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.Password !== undefined) {
-    bodyParams["Password"] = input.Password;
-  }
-  if (input.ShortName !== undefined) {
-    bodyParams["ShortName"] = input.ShortName;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1Tags(input.Tags, context);
-  }
-  if (input.VpcSettings !== undefined) {
-    bodyParams["VpcSettings"] = serializeAws_json1_1DirectoryVpcSettings(
-      input.VpcSettings,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.Edition !== undefined && { Edition: input.Edition }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.Password !== undefined && { Password: input.Password }),
+    ...(input.ShortName !== undefined && { ShortName: input.ShortName }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1Tags(input.Tags, context)
+    }),
+    ...(input.VpcSettings !== undefined && {
+      VpcSettings: serializeAws_json1_1DirectoryVpcSettings(
+        input.VpcSettings,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1CreateSnapshotRequest = (
   input: CreateSnapshotRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DirectoryId !== undefined) {
-    bodyParams["DirectoryId"] = input.DirectoryId;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.DirectoryId !== undefined && { DirectoryId: input.DirectoryId }),
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1CreateTrustRequest = (
   input: CreateTrustRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ConditionalForwarderIpAddrs !== undefined) {
-    bodyParams["ConditionalForwarderIpAddrs"] = serializeAws_json1_1DnsIpAddrs(
-      input.ConditionalForwarderIpAddrs,
-      context
-    );
-  }
-  if (input.DirectoryId !== undefined) {
-    bodyParams["DirectoryId"] = input.DirectoryId;
-  }
-  if (input.RemoteDomainName !== undefined) {
-    bodyParams["RemoteDomainName"] = input.RemoteDomainName;
-  }
-  if (input.SelectiveAuth !== undefined) {
-    bodyParams["SelectiveAuth"] = input.SelectiveAuth;
-  }
-  if (input.TrustDirection !== undefined) {
-    bodyParams["TrustDirection"] = input.TrustDirection;
-  }
-  if (input.TrustPassword !== undefined) {
-    bodyParams["TrustPassword"] = input.TrustPassword;
-  }
-  if (input.TrustType !== undefined) {
-    bodyParams["TrustType"] = input.TrustType;
-  }
-  return bodyParams;
+  return {
+    ...(input.ConditionalForwarderIpAddrs !== undefined && {
+      ConditionalForwarderIpAddrs: serializeAws_json1_1DnsIpAddrs(
+        input.ConditionalForwarderIpAddrs,
+        context
+      )
+    }),
+    ...(input.DirectoryId !== undefined && { DirectoryId: input.DirectoryId }),
+    ...(input.RemoteDomainName !== undefined && {
+      RemoteDomainName: input.RemoteDomainName
+    }),
+    ...(input.SelectiveAuth !== undefined && {
+      SelectiveAuth: input.SelectiveAuth
+    }),
+    ...(input.TrustDirection !== undefined && {
+      TrustDirection: input.TrustDirection
+    }),
+    ...(input.TrustPassword !== undefined && {
+      TrustPassword: input.TrustPassword
+    }),
+    ...(input.TrustType !== undefined && { TrustType: input.TrustType })
+  };
 };
 
 const serializeAws_json1_1DeleteConditionalForwarderRequest = (
   input: DeleteConditionalForwarderRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DirectoryId !== undefined) {
-    bodyParams["DirectoryId"] = input.DirectoryId;
-  }
-  if (input.RemoteDomainName !== undefined) {
-    bodyParams["RemoteDomainName"] = input.RemoteDomainName;
-  }
-  return bodyParams;
+  return {
+    ...(input.DirectoryId !== undefined && { DirectoryId: input.DirectoryId }),
+    ...(input.RemoteDomainName !== undefined && {
+      RemoteDomainName: input.RemoteDomainName
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteDirectoryRequest = (
   input: DeleteDirectoryRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DirectoryId !== undefined) {
-    bodyParams["DirectoryId"] = input.DirectoryId;
-  }
-  return bodyParams;
+  return {
+    ...(input.DirectoryId !== undefined && { DirectoryId: input.DirectoryId })
+  };
 };
 
 const serializeAws_json1_1DeleteLogSubscriptionRequest = (
   input: DeleteLogSubscriptionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DirectoryId !== undefined) {
-    bodyParams["DirectoryId"] = input.DirectoryId;
-  }
-  return bodyParams;
+  return {
+    ...(input.DirectoryId !== undefined && { DirectoryId: input.DirectoryId })
+  };
 };
 
 const serializeAws_json1_1DeleteSnapshotRequest = (
   input: DeleteSnapshotRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.SnapshotId !== undefined) {
-    bodyParams["SnapshotId"] = input.SnapshotId;
-  }
-  return bodyParams;
+  return {
+    ...(input.SnapshotId !== undefined && { SnapshotId: input.SnapshotId })
+  };
 };
 
 const serializeAws_json1_1DeleteTrustRequest = (
   input: DeleteTrustRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DeleteAssociatedConditionalForwarder !== undefined) {
-    bodyParams["DeleteAssociatedConditionalForwarder"] =
-      input.DeleteAssociatedConditionalForwarder;
-  }
-  if (input.TrustId !== undefined) {
-    bodyParams["TrustId"] = input.TrustId;
-  }
-  return bodyParams;
+  return {
+    ...(input.DeleteAssociatedConditionalForwarder !== undefined && {
+      DeleteAssociatedConditionalForwarder:
+        input.DeleteAssociatedConditionalForwarder
+    }),
+    ...(input.TrustId !== undefined && { TrustId: input.TrustId })
+  };
 };
 
 const serializeAws_json1_1DeregisterCertificateRequest = (
   input: DeregisterCertificateRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CertificateId !== undefined) {
-    bodyParams["CertificateId"] = input.CertificateId;
-  }
-  if (input.DirectoryId !== undefined) {
-    bodyParams["DirectoryId"] = input.DirectoryId;
-  }
-  return bodyParams;
+  return {
+    ...(input.CertificateId !== undefined && {
+      CertificateId: input.CertificateId
+    }),
+    ...(input.DirectoryId !== undefined && { DirectoryId: input.DirectoryId })
+  };
 };
 
 const serializeAws_json1_1DeregisterEventTopicRequest = (
   input: DeregisterEventTopicRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DirectoryId !== undefined) {
-    bodyParams["DirectoryId"] = input.DirectoryId;
-  }
-  if (input.TopicName !== undefined) {
-    bodyParams["TopicName"] = input.TopicName;
-  }
-  return bodyParams;
+  return {
+    ...(input.DirectoryId !== undefined && { DirectoryId: input.DirectoryId }),
+    ...(input.TopicName !== undefined && { TopicName: input.TopicName })
+  };
 };
 
 const serializeAws_json1_1DescribeCertificateRequest = (
   input: DescribeCertificateRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CertificateId !== undefined) {
-    bodyParams["CertificateId"] = input.CertificateId;
-  }
-  if (input.DirectoryId !== undefined) {
-    bodyParams["DirectoryId"] = input.DirectoryId;
-  }
-  return bodyParams;
+  return {
+    ...(input.CertificateId !== undefined && {
+      CertificateId: input.CertificateId
+    }),
+    ...(input.DirectoryId !== undefined && { DirectoryId: input.DirectoryId })
+  };
 };
 
 const serializeAws_json1_1DescribeConditionalForwardersRequest = (
   input: DescribeConditionalForwardersRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DirectoryId !== undefined) {
-    bodyParams["DirectoryId"] = input.DirectoryId;
-  }
-  if (input.RemoteDomainNames !== undefined) {
-    bodyParams["RemoteDomainNames"] = serializeAws_json1_1RemoteDomainNames(
-      input.RemoteDomainNames,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.DirectoryId !== undefined && { DirectoryId: input.DirectoryId }),
+    ...(input.RemoteDomainNames !== undefined && {
+      RemoteDomainNames: serializeAws_json1_1RemoteDomainNames(
+        input.RemoteDomainNames,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeDirectoriesRequest = (
   input: DescribeDirectoriesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DirectoryIds !== undefined) {
-    bodyParams["DirectoryIds"] = serializeAws_json1_1DirectoryIds(
-      input.DirectoryIds,
-      context
-    );
-  }
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.DirectoryIds !== undefined && {
+      DirectoryIds: serializeAws_json1_1DirectoryIds(
+        input.DirectoryIds,
+        context
+      )
+    }),
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1DescribeDomainControllersRequest = (
   input: DescribeDomainControllersRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DirectoryId !== undefined) {
-    bodyParams["DirectoryId"] = input.DirectoryId;
-  }
-  if (input.DomainControllerIds !== undefined) {
-    bodyParams["DomainControllerIds"] = serializeAws_json1_1DomainControllerIds(
-      input.DomainControllerIds,
-      context
-    );
-  }
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.DirectoryId !== undefined && { DirectoryId: input.DirectoryId }),
+    ...(input.DomainControllerIds !== undefined && {
+      DomainControllerIds: serializeAws_json1_1DomainControllerIds(
+        input.DomainControllerIds,
+        context
+      )
+    }),
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1DescribeEventTopicsRequest = (
   input: DescribeEventTopicsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DirectoryId !== undefined) {
-    bodyParams["DirectoryId"] = input.DirectoryId;
-  }
-  if (input.TopicNames !== undefined) {
-    bodyParams["TopicNames"] = serializeAws_json1_1TopicNames(
-      input.TopicNames,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.DirectoryId !== undefined && { DirectoryId: input.DirectoryId }),
+    ...(input.TopicNames !== undefined && {
+      TopicNames: serializeAws_json1_1TopicNames(input.TopicNames, context)
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeLDAPSSettingsRequest = (
   input: DescribeLDAPSSettingsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DirectoryId !== undefined) {
-    bodyParams["DirectoryId"] = input.DirectoryId;
-  }
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.Type !== undefined) {
-    bodyParams["Type"] = input.Type;
-  }
-  return bodyParams;
+  return {
+    ...(input.DirectoryId !== undefined && { DirectoryId: input.DirectoryId }),
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.Type !== undefined && { Type: input.Type })
+  };
 };
 
 const serializeAws_json1_1DescribeSharedDirectoriesRequest = (
   input: DescribeSharedDirectoriesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.OwnerDirectoryId !== undefined) {
-    bodyParams["OwnerDirectoryId"] = input.OwnerDirectoryId;
-  }
-  if (input.SharedDirectoryIds !== undefined) {
-    bodyParams["SharedDirectoryIds"] = serializeAws_json1_1DirectoryIds(
-      input.SharedDirectoryIds,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.OwnerDirectoryId !== undefined && {
+      OwnerDirectoryId: input.OwnerDirectoryId
+    }),
+    ...(input.SharedDirectoryIds !== undefined && {
+      SharedDirectoryIds: serializeAws_json1_1DirectoryIds(
+        input.SharedDirectoryIds,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeSnapshotsRequest = (
   input: DescribeSnapshotsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DirectoryId !== undefined) {
-    bodyParams["DirectoryId"] = input.DirectoryId;
-  }
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.SnapshotIds !== undefined) {
-    bodyParams["SnapshotIds"] = serializeAws_json1_1SnapshotIds(
-      input.SnapshotIds,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.DirectoryId !== undefined && { DirectoryId: input.DirectoryId }),
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.SnapshotIds !== undefined && {
+      SnapshotIds: serializeAws_json1_1SnapshotIds(input.SnapshotIds, context)
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeTrustsRequest = (
   input: DescribeTrustsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DirectoryId !== undefined) {
-    bodyParams["DirectoryId"] = input.DirectoryId;
-  }
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.TrustIds !== undefined) {
-    bodyParams["TrustIds"] = serializeAws_json1_1TrustIds(
-      input.TrustIds,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.DirectoryId !== undefined && { DirectoryId: input.DirectoryId }),
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.TrustIds !== undefined && {
+      TrustIds: serializeAws_json1_1TrustIds(input.TrustIds, context)
+    })
+  };
 };
 
 const serializeAws_json1_1DirectoryConnectSettings = (
   input: DirectoryConnectSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CustomerDnsIps !== undefined) {
-    bodyParams["CustomerDnsIps"] = serializeAws_json1_1DnsIpAddrs(
-      input.CustomerDnsIps,
-      context
-    );
-  }
-  if (input.CustomerUserName !== undefined) {
-    bodyParams["CustomerUserName"] = input.CustomerUserName;
-  }
-  if (input.SubnetIds !== undefined) {
-    bodyParams["SubnetIds"] = serializeAws_json1_1SubnetIds(
-      input.SubnetIds,
-      context
-    );
-  }
-  if (input.VpcId !== undefined) {
-    bodyParams["VpcId"] = input.VpcId;
-  }
-  return bodyParams;
+  return {
+    ...(input.CustomerDnsIps !== undefined && {
+      CustomerDnsIps: serializeAws_json1_1DnsIpAddrs(
+        input.CustomerDnsIps,
+        context
+      )
+    }),
+    ...(input.CustomerUserName !== undefined && {
+      CustomerUserName: input.CustomerUserName
+    }),
+    ...(input.SubnetIds !== undefined && {
+      SubnetIds: serializeAws_json1_1SubnetIds(input.SubnetIds, context)
+    }),
+    ...(input.VpcId !== undefined && { VpcId: input.VpcId })
+  };
 };
 
 const serializeAws_json1_1DirectoryIds = (
@@ -8639,59 +8501,42 @@ const serializeAws_json1_1DirectoryVpcSettings = (
   input: DirectoryVpcSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.SubnetIds !== undefined) {
-    bodyParams["SubnetIds"] = serializeAws_json1_1SubnetIds(
-      input.SubnetIds,
-      context
-    );
-  }
-  if (input.VpcId !== undefined) {
-    bodyParams["VpcId"] = input.VpcId;
-  }
-  return bodyParams;
+  return {
+    ...(input.SubnetIds !== undefined && {
+      SubnetIds: serializeAws_json1_1SubnetIds(input.SubnetIds, context)
+    }),
+    ...(input.VpcId !== undefined && { VpcId: input.VpcId })
+  };
 };
 
 const serializeAws_json1_1DisableLDAPSRequest = (
   input: DisableLDAPSRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DirectoryId !== undefined) {
-    bodyParams["DirectoryId"] = input.DirectoryId;
-  }
-  if (input.Type !== undefined) {
-    bodyParams["Type"] = input.Type;
-  }
-  return bodyParams;
+  return {
+    ...(input.DirectoryId !== undefined && { DirectoryId: input.DirectoryId }),
+    ...(input.Type !== undefined && { Type: input.Type })
+  };
 };
 
 const serializeAws_json1_1DisableRadiusRequest = (
   input: DisableRadiusRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DirectoryId !== undefined) {
-    bodyParams["DirectoryId"] = input.DirectoryId;
-  }
-  return bodyParams;
+  return {
+    ...(input.DirectoryId !== undefined && { DirectoryId: input.DirectoryId })
+  };
 };
 
 const serializeAws_json1_1DisableSsoRequest = (
   input: DisableSsoRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DirectoryId !== undefined) {
-    bodyParams["DirectoryId"] = input.DirectoryId;
-  }
-  if (input.Password !== undefined) {
-    bodyParams["Password"] = input.Password;
-  }
-  if (input.UserName !== undefined) {
-    bodyParams["UserName"] = input.UserName;
-  }
-  return bodyParams;
+  return {
+    ...(input.DirectoryId !== undefined && { DirectoryId: input.DirectoryId }),
+    ...(input.Password !== undefined && { Password: input.Password }),
+    ...(input.UserName !== undefined && { UserName: input.UserName })
+  };
 };
 
 const serializeAws_json1_1DnsIpAddrs = (
@@ -8712,81 +8557,62 @@ const serializeAws_json1_1EnableLDAPSRequest = (
   input: EnableLDAPSRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DirectoryId !== undefined) {
-    bodyParams["DirectoryId"] = input.DirectoryId;
-  }
-  if (input.Type !== undefined) {
-    bodyParams["Type"] = input.Type;
-  }
-  return bodyParams;
+  return {
+    ...(input.DirectoryId !== undefined && { DirectoryId: input.DirectoryId }),
+    ...(input.Type !== undefined && { Type: input.Type })
+  };
 };
 
 const serializeAws_json1_1EnableRadiusRequest = (
   input: EnableRadiusRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DirectoryId !== undefined) {
-    bodyParams["DirectoryId"] = input.DirectoryId;
-  }
-  if (input.RadiusSettings !== undefined) {
-    bodyParams["RadiusSettings"] = serializeAws_json1_1RadiusSettings(
-      input.RadiusSettings,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.DirectoryId !== undefined && { DirectoryId: input.DirectoryId }),
+    ...(input.RadiusSettings !== undefined && {
+      RadiusSettings: serializeAws_json1_1RadiusSettings(
+        input.RadiusSettings,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1EnableSsoRequest = (
   input: EnableSsoRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DirectoryId !== undefined) {
-    bodyParams["DirectoryId"] = input.DirectoryId;
-  }
-  if (input.Password !== undefined) {
-    bodyParams["Password"] = input.Password;
-  }
-  if (input.UserName !== undefined) {
-    bodyParams["UserName"] = input.UserName;
-  }
-  return bodyParams;
+  return {
+    ...(input.DirectoryId !== undefined && { DirectoryId: input.DirectoryId }),
+    ...(input.Password !== undefined && { Password: input.Password }),
+    ...(input.UserName !== undefined && { UserName: input.UserName })
+  };
 };
 
 const serializeAws_json1_1GetDirectoryLimitsRequest = (
   input: GetDirectoryLimitsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  return bodyParams;
+  return {};
 };
 
 const serializeAws_json1_1GetSnapshotLimitsRequest = (
   input: GetSnapshotLimitsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DirectoryId !== undefined) {
-    bodyParams["DirectoryId"] = input.DirectoryId;
-  }
-  return bodyParams;
+  return {
+    ...(input.DirectoryId !== undefined && { DirectoryId: input.DirectoryId })
+  };
 };
 
 const serializeAws_json1_1IpRoute = (
   input: IpRoute,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CidrIp !== undefined) {
-    bodyParams["CidrIp"] = input.CidrIp;
-  }
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  return bodyParams;
+  return {
+    ...(input.CidrIp !== undefined && { CidrIp: input.CidrIp }),
+    ...(input.Description !== undefined && { Description: input.Description })
+  };
 };
 
 const serializeAws_json1_1IpRoutes = (
@@ -8800,159 +8626,118 @@ const serializeAws_json1_1ListCertificatesRequest = (
   input: ListCertificatesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DirectoryId !== undefined) {
-    bodyParams["DirectoryId"] = input.DirectoryId;
-  }
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.DirectoryId !== undefined && { DirectoryId: input.DirectoryId }),
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1ListIpRoutesRequest = (
   input: ListIpRoutesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DirectoryId !== undefined) {
-    bodyParams["DirectoryId"] = input.DirectoryId;
-  }
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.DirectoryId !== undefined && { DirectoryId: input.DirectoryId }),
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1ListLogSubscriptionsRequest = (
   input: ListLogSubscriptionsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DirectoryId !== undefined) {
-    bodyParams["DirectoryId"] = input.DirectoryId;
-  }
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.DirectoryId !== undefined && { DirectoryId: input.DirectoryId }),
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1ListSchemaExtensionsRequest = (
   input: ListSchemaExtensionsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DirectoryId !== undefined) {
-    bodyParams["DirectoryId"] = input.DirectoryId;
-  }
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.DirectoryId !== undefined && { DirectoryId: input.DirectoryId }),
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1ListTagsForResourceRequest = (
   input: ListTagsForResourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.ResourceId !== undefined) {
-    bodyParams["ResourceId"] = input.ResourceId;
-  }
-  return bodyParams;
+  return {
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.ResourceId !== undefined && { ResourceId: input.ResourceId })
+  };
 };
 
 const serializeAws_json1_1RadiusSettings = (
   input: RadiusSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AuthenticationProtocol !== undefined) {
-    bodyParams["AuthenticationProtocol"] = input.AuthenticationProtocol;
-  }
-  if (input.DisplayLabel !== undefined) {
-    bodyParams["DisplayLabel"] = input.DisplayLabel;
-  }
-  if (input.RadiusPort !== undefined) {
-    bodyParams["RadiusPort"] = input.RadiusPort;
-  }
-  if (input.RadiusRetries !== undefined) {
-    bodyParams["RadiusRetries"] = input.RadiusRetries;
-  }
-  if (input.RadiusServers !== undefined) {
-    bodyParams["RadiusServers"] = serializeAws_json1_1Servers(
-      input.RadiusServers,
-      context
-    );
-  }
-  if (input.RadiusTimeout !== undefined) {
-    bodyParams["RadiusTimeout"] = input.RadiusTimeout;
-  }
-  if (input.SharedSecret !== undefined) {
-    bodyParams["SharedSecret"] = input.SharedSecret;
-  }
-  if (input.UseSameUsername !== undefined) {
-    bodyParams["UseSameUsername"] = input.UseSameUsername;
-  }
-  return bodyParams;
+  return {
+    ...(input.AuthenticationProtocol !== undefined && {
+      AuthenticationProtocol: input.AuthenticationProtocol
+    }),
+    ...(input.DisplayLabel !== undefined && {
+      DisplayLabel: input.DisplayLabel
+    }),
+    ...(input.RadiusPort !== undefined && { RadiusPort: input.RadiusPort }),
+    ...(input.RadiusRetries !== undefined && {
+      RadiusRetries: input.RadiusRetries
+    }),
+    ...(input.RadiusServers !== undefined && {
+      RadiusServers: serializeAws_json1_1Servers(input.RadiusServers, context)
+    }),
+    ...(input.RadiusTimeout !== undefined && {
+      RadiusTimeout: input.RadiusTimeout
+    }),
+    ...(input.SharedSecret !== undefined && {
+      SharedSecret: input.SharedSecret
+    }),
+    ...(input.UseSameUsername !== undefined && {
+      UseSameUsername: input.UseSameUsername
+    })
+  };
 };
 
 const serializeAws_json1_1RegisterCertificateRequest = (
   input: RegisterCertificateRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CertificateData !== undefined) {
-    bodyParams["CertificateData"] = input.CertificateData;
-  }
-  if (input.DirectoryId !== undefined) {
-    bodyParams["DirectoryId"] = input.DirectoryId;
-  }
-  return bodyParams;
+  return {
+    ...(input.CertificateData !== undefined && {
+      CertificateData: input.CertificateData
+    }),
+    ...(input.DirectoryId !== undefined && { DirectoryId: input.DirectoryId })
+  };
 };
 
 const serializeAws_json1_1RegisterEventTopicRequest = (
   input: RegisterEventTopicRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DirectoryId !== undefined) {
-    bodyParams["DirectoryId"] = input.DirectoryId;
-  }
-  if (input.TopicName !== undefined) {
-    bodyParams["TopicName"] = input.TopicName;
-  }
-  return bodyParams;
+  return {
+    ...(input.DirectoryId !== undefined && { DirectoryId: input.DirectoryId }),
+    ...(input.TopicName !== undefined && { TopicName: input.TopicName })
+  };
 };
 
 const serializeAws_json1_1RejectSharedDirectoryRequest = (
   input: RejectSharedDirectoryRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.SharedDirectoryId !== undefined) {
-    bodyParams["SharedDirectoryId"] = input.SharedDirectoryId;
-  }
-  return bodyParams;
+  return {
+    ...(input.SharedDirectoryId !== undefined && {
+      SharedDirectoryId: input.SharedDirectoryId
+    })
+  };
 };
 
 const serializeAws_json1_1RemoteDomainNames = (
@@ -8966,56 +8751,44 @@ const serializeAws_json1_1RemoveIpRoutesRequest = (
   input: RemoveIpRoutesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CidrIps !== undefined) {
-    bodyParams["CidrIps"] = serializeAws_json1_1CidrIps(input.CidrIps, context);
-  }
-  if (input.DirectoryId !== undefined) {
-    bodyParams["DirectoryId"] = input.DirectoryId;
-  }
-  return bodyParams;
+  return {
+    ...(input.CidrIps !== undefined && {
+      CidrIps: serializeAws_json1_1CidrIps(input.CidrIps, context)
+    }),
+    ...(input.DirectoryId !== undefined && { DirectoryId: input.DirectoryId })
+  };
 };
 
 const serializeAws_json1_1RemoveTagsFromResourceRequest = (
   input: RemoveTagsFromResourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceId !== undefined) {
-    bodyParams["ResourceId"] = input.ResourceId;
-  }
-  if (input.TagKeys !== undefined) {
-    bodyParams["TagKeys"] = serializeAws_json1_1TagKeys(input.TagKeys, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceId !== undefined && { ResourceId: input.ResourceId }),
+    ...(input.TagKeys !== undefined && {
+      TagKeys: serializeAws_json1_1TagKeys(input.TagKeys, context)
+    })
+  };
 };
 
 const serializeAws_json1_1ResetUserPasswordRequest = (
   input: ResetUserPasswordRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DirectoryId !== undefined) {
-    bodyParams["DirectoryId"] = input.DirectoryId;
-  }
-  if (input.NewPassword !== undefined) {
-    bodyParams["NewPassword"] = input.NewPassword;
-  }
-  if (input.UserName !== undefined) {
-    bodyParams["UserName"] = input.UserName;
-  }
-  return bodyParams;
+  return {
+    ...(input.DirectoryId !== undefined && { DirectoryId: input.DirectoryId }),
+    ...(input.NewPassword !== undefined && { NewPassword: input.NewPassword }),
+    ...(input.UserName !== undefined && { UserName: input.UserName })
+  };
 };
 
 const serializeAws_json1_1RestoreFromSnapshotRequest = (
   input: RestoreFromSnapshotRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.SnapshotId !== undefined) {
-    bodyParams["SnapshotId"] = input.SnapshotId;
-  }
-  return bodyParams;
+  return {
+    ...(input.SnapshotId !== undefined && { SnapshotId: input.SnapshotId })
+  };
 };
 
 const serializeAws_json1_1Servers = (
@@ -9029,37 +8802,24 @@ const serializeAws_json1_1ShareDirectoryRequest = (
   input: ShareDirectoryRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DirectoryId !== undefined) {
-    bodyParams["DirectoryId"] = input.DirectoryId;
-  }
-  if (input.ShareMethod !== undefined) {
-    bodyParams["ShareMethod"] = input.ShareMethod;
-  }
-  if (input.ShareNotes !== undefined) {
-    bodyParams["ShareNotes"] = input.ShareNotes;
-  }
-  if (input.ShareTarget !== undefined) {
-    bodyParams["ShareTarget"] = serializeAws_json1_1ShareTarget(
-      input.ShareTarget,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.DirectoryId !== undefined && { DirectoryId: input.DirectoryId }),
+    ...(input.ShareMethod !== undefined && { ShareMethod: input.ShareMethod }),
+    ...(input.ShareNotes !== undefined && { ShareNotes: input.ShareNotes }),
+    ...(input.ShareTarget !== undefined && {
+      ShareTarget: serializeAws_json1_1ShareTarget(input.ShareTarget, context)
+    })
+  };
 };
 
 const serializeAws_json1_1ShareTarget = (
   input: ShareTarget,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Id !== undefined) {
-    bodyParams["Id"] = input.Id;
-  }
-  if (input.Type !== undefined) {
-    bodyParams["Type"] = input.Type;
-  }
-  return bodyParams;
+  return {
+    ...(input.Id !== undefined && { Id: input.Id }),
+    ...(input.Type !== undefined && { Type: input.Type })
+  };
 };
 
 const serializeAws_json1_1SnapshotIds = (
@@ -9073,21 +8833,15 @@ const serializeAws_json1_1StartSchemaExtensionRequest = (
   input: StartSchemaExtensionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CreateSnapshotBeforeSchemaExtension !== undefined) {
-    bodyParams["CreateSnapshotBeforeSchemaExtension"] =
-      input.CreateSnapshotBeforeSchemaExtension;
-  }
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.DirectoryId !== undefined) {
-    bodyParams["DirectoryId"] = input.DirectoryId;
-  }
-  if (input.LdifContent !== undefined) {
-    bodyParams["LdifContent"] = input.LdifContent;
-  }
-  return bodyParams;
+  return {
+    ...(input.CreateSnapshotBeforeSchemaExtension !== undefined && {
+      CreateSnapshotBeforeSchemaExtension:
+        input.CreateSnapshotBeforeSchemaExtension
+    }),
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.DirectoryId !== undefined && { DirectoryId: input.DirectoryId }),
+    ...(input.LdifContent !== undefined && { LdifContent: input.LdifContent })
+  };
 };
 
 const serializeAws_json1_1SubnetIds = (
@@ -9098,14 +8852,10 @@ const serializeAws_json1_1SubnetIds = (
 };
 
 const serializeAws_json1_1Tag = (input: Tag, context: __SerdeContext): any => {
-  const bodyParams: any = {};
-  if (input.Key !== undefined) {
-    bodyParams["Key"] = input.Key;
-  }
-  if (input.Value !== undefined) {
-    bodyParams["Value"] = input.Value;
-  }
-  return bodyParams;
+  return {
+    ...(input.Key !== undefined && { Key: input.Key }),
+    ...(input.Value !== undefined && { Value: input.Value })
+  };
 };
 
 const serializeAws_json1_1TagKeys = (
@@ -9140,107 +8890,88 @@ const serializeAws_json1_1UnshareDirectoryRequest = (
   input: UnshareDirectoryRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DirectoryId !== undefined) {
-    bodyParams["DirectoryId"] = input.DirectoryId;
-  }
-  if (input.UnshareTarget !== undefined) {
-    bodyParams["UnshareTarget"] = serializeAws_json1_1UnshareTarget(
-      input.UnshareTarget,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.DirectoryId !== undefined && { DirectoryId: input.DirectoryId }),
+    ...(input.UnshareTarget !== undefined && {
+      UnshareTarget: serializeAws_json1_1UnshareTarget(
+        input.UnshareTarget,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1UnshareTarget = (
   input: UnshareTarget,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Id !== undefined) {
-    bodyParams["Id"] = input.Id;
-  }
-  if (input.Type !== undefined) {
-    bodyParams["Type"] = input.Type;
-  }
-  return bodyParams;
+  return {
+    ...(input.Id !== undefined && { Id: input.Id }),
+    ...(input.Type !== undefined && { Type: input.Type })
+  };
 };
 
 const serializeAws_json1_1UpdateConditionalForwarderRequest = (
   input: UpdateConditionalForwarderRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DirectoryId !== undefined) {
-    bodyParams["DirectoryId"] = input.DirectoryId;
-  }
-  if (input.DnsIpAddrs !== undefined) {
-    bodyParams["DnsIpAddrs"] = serializeAws_json1_1DnsIpAddrs(
-      input.DnsIpAddrs,
-      context
-    );
-  }
-  if (input.RemoteDomainName !== undefined) {
-    bodyParams["RemoteDomainName"] = input.RemoteDomainName;
-  }
-  return bodyParams;
+  return {
+    ...(input.DirectoryId !== undefined && { DirectoryId: input.DirectoryId }),
+    ...(input.DnsIpAddrs !== undefined && {
+      DnsIpAddrs: serializeAws_json1_1DnsIpAddrs(input.DnsIpAddrs, context)
+    }),
+    ...(input.RemoteDomainName !== undefined && {
+      RemoteDomainName: input.RemoteDomainName
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateNumberOfDomainControllersRequest = (
   input: UpdateNumberOfDomainControllersRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DesiredNumber !== undefined) {
-    bodyParams["DesiredNumber"] = input.DesiredNumber;
-  }
-  if (input.DirectoryId !== undefined) {
-    bodyParams["DirectoryId"] = input.DirectoryId;
-  }
-  return bodyParams;
+  return {
+    ...(input.DesiredNumber !== undefined && {
+      DesiredNumber: input.DesiredNumber
+    }),
+    ...(input.DirectoryId !== undefined && { DirectoryId: input.DirectoryId })
+  };
 };
 
 const serializeAws_json1_1UpdateRadiusRequest = (
   input: UpdateRadiusRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DirectoryId !== undefined) {
-    bodyParams["DirectoryId"] = input.DirectoryId;
-  }
-  if (input.RadiusSettings !== undefined) {
-    bodyParams["RadiusSettings"] = serializeAws_json1_1RadiusSettings(
-      input.RadiusSettings,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.DirectoryId !== undefined && { DirectoryId: input.DirectoryId }),
+    ...(input.RadiusSettings !== undefined && {
+      RadiusSettings: serializeAws_json1_1RadiusSettings(
+        input.RadiusSettings,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateTrustRequest = (
   input: UpdateTrustRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.SelectiveAuth !== undefined) {
-    bodyParams["SelectiveAuth"] = input.SelectiveAuth;
-  }
-  if (input.TrustId !== undefined) {
-    bodyParams["TrustId"] = input.TrustId;
-  }
-  return bodyParams;
+  return {
+    ...(input.SelectiveAuth !== undefined && {
+      SelectiveAuth: input.SelectiveAuth
+    }),
+    ...(input.TrustId !== undefined && { TrustId: input.TrustId })
+  };
 };
 
 const serializeAws_json1_1VerifyTrustRequest = (
   input: VerifyTrustRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.TrustId !== undefined) {
-    bodyParams["TrustId"] = input.TrustId;
-  }
-  return bodyParams;
+  return {
+    ...(input.TrustId !== undefined && { TrustId: input.TrustId })
+  };
 };
 
 const deserializeAws_json1_1AcceptSharedDirectoryResult = (
diff --git a/clients/client-dlm/protocols/Aws_restJson1_1.ts b/clients/client-dlm/protocols/Aws_restJson1_1.ts
index 2e288d23d593..c7da5d4fbbaf 100644
--- a/clients/client-dlm/protocols/Aws_restJson1_1.ts
+++ b/clients/client-dlm/protocols/Aws_restJson1_1.ts
@@ -1181,62 +1181,47 @@ const serializeAws_restJson1_1CreateRule = (
   input: CreateRule,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Interval !== undefined) {
-    bodyParams["Interval"] = input.Interval;
-  }
-  if (input.IntervalUnit !== undefined) {
-    bodyParams["IntervalUnit"] = input.IntervalUnit;
-  }
-  if (input.Times !== undefined) {
-    bodyParams["Times"] = serializeAws_restJson1_1TimesList(
-      input.Times,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Interval !== undefined && { Interval: input.Interval }),
+    ...(input.IntervalUnit !== undefined && {
+      IntervalUnit: input.IntervalUnit
+    }),
+    ...(input.Times !== undefined && {
+      Times: serializeAws_restJson1_1TimesList(input.Times, context)
+    })
+  };
 };
 
 const serializeAws_restJson1_1CrossRegionCopyRetainRule = (
   input: CrossRegionCopyRetainRule,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Interval !== undefined) {
-    bodyParams["Interval"] = input.Interval;
-  }
-  if (input.IntervalUnit !== undefined) {
-    bodyParams["IntervalUnit"] = input.IntervalUnit;
-  }
-  return bodyParams;
+  return {
+    ...(input.Interval !== undefined && { Interval: input.Interval }),
+    ...(input.IntervalUnit !== undefined && {
+      IntervalUnit: input.IntervalUnit
+    })
+  };
 };
 
 const serializeAws_restJson1_1CrossRegionCopyRule = (
   input: CrossRegionCopyRule,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CmkArn !== undefined) {
-    bodyParams["CmkArn"] = input.CmkArn;
-  }
-  if (input.CopyTags !== undefined) {
-    bodyParams["CopyTags"] = input.CopyTags;
-  }
-  if (input.Encrypted !== undefined) {
-    bodyParams["Encrypted"] = input.Encrypted;
-  }
-  if (input.RetainRule !== undefined) {
-    bodyParams[
-      "RetainRule"
-    ] = serializeAws_restJson1_1CrossRegionCopyRetainRule(
-      input.RetainRule,
-      context
-    );
-  }
-  if (input.TargetRegion !== undefined) {
-    bodyParams["TargetRegion"] = input.TargetRegion;
-  }
-  return bodyParams;
+  return {
+    ...(input.CmkArn !== undefined && { CmkArn: input.CmkArn }),
+    ...(input.CopyTags !== undefined && { CopyTags: input.CopyTags }),
+    ...(input.Encrypted !== undefined && { Encrypted: input.Encrypted }),
+    ...(input.RetainRule !== undefined && {
+      RetainRule: serializeAws_restJson1_1CrossRegionCopyRetainRule(
+        input.RetainRule,
+        context
+      )
+    }),
+    ...(input.TargetRegion !== undefined && {
+      TargetRegion: input.TargetRegion
+    })
+  };
 };
 
 const serializeAws_restJson1_1CrossRegionCopyRules = (
@@ -1252,73 +1237,57 @@ const serializeAws_restJson1_1FastRestoreRule = (
   input: FastRestoreRule,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AvailabilityZones !== undefined) {
-    bodyParams[
-      "AvailabilityZones"
-    ] = serializeAws_restJson1_1AvailabilityZoneList(
-      input.AvailabilityZones,
-      context
-    );
-  }
-  if (input.Count !== undefined) {
-    bodyParams["Count"] = input.Count;
-  }
-  if (input.Interval !== undefined) {
-    bodyParams["Interval"] = input.Interval;
-  }
-  if (input.IntervalUnit !== undefined) {
-    bodyParams["IntervalUnit"] = input.IntervalUnit;
-  }
-  return bodyParams;
+  return {
+    ...(input.AvailabilityZones !== undefined && {
+      AvailabilityZones: serializeAws_restJson1_1AvailabilityZoneList(
+        input.AvailabilityZones,
+        context
+      )
+    }),
+    ...(input.Count !== undefined && { Count: input.Count }),
+    ...(input.Interval !== undefined && { Interval: input.Interval }),
+    ...(input.IntervalUnit !== undefined && {
+      IntervalUnit: input.IntervalUnit
+    })
+  };
 };
 
 const serializeAws_restJson1_1_Parameters = (
   input: _Parameters,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ExcludeBootVolume !== undefined) {
-    bodyParams["ExcludeBootVolume"] = input.ExcludeBootVolume;
-  }
-  return bodyParams;
+  return {
+    ...(input.ExcludeBootVolume !== undefined && {
+      ExcludeBootVolume: input.ExcludeBootVolume
+    })
+  };
 };
 
 const serializeAws_restJson1_1PolicyDetails = (
   input: PolicyDetails,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Parameters !== undefined) {
-    bodyParams["Parameters"] = serializeAws_restJson1_1_Parameters(
-      input.Parameters,
-      context
-    );
-  }
-  if (input.PolicyType !== undefined) {
-    bodyParams["PolicyType"] = input.PolicyType;
-  }
-  if (input.ResourceTypes !== undefined) {
-    bodyParams[
-      "ResourceTypes"
-    ] = serializeAws_restJson1_1ResourceTypeValuesList(
-      input.ResourceTypes,
-      context
-    );
-  }
-  if (input.Schedules !== undefined) {
-    bodyParams["Schedules"] = serializeAws_restJson1_1ScheduleList(
-      input.Schedules,
-      context
-    );
-  }
-  if (input.TargetTags !== undefined) {
-    bodyParams["TargetTags"] = serializeAws_restJson1_1TargetTagList(
-      input.TargetTags,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Parameters !== undefined && {
+      Parameters: serializeAws_restJson1_1_Parameters(input.Parameters, context)
+    }),
+    ...(input.PolicyType !== undefined && { PolicyType: input.PolicyType }),
+    ...(input.ResourceTypes !== undefined && {
+      ResourceTypes: serializeAws_restJson1_1ResourceTypeValuesList(
+        input.ResourceTypes,
+        context
+      )
+    }),
+    ...(input.Schedules !== undefined && {
+      Schedules: serializeAws_restJson1_1ScheduleList(input.Schedules, context)
+    }),
+    ...(input.TargetTags !== undefined && {
+      TargetTags: serializeAws_restJson1_1TargetTagList(
+        input.TargetTags,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1ResourceTypeValuesList = (
@@ -1332,69 +1301,50 @@ const serializeAws_restJson1_1RetainRule = (
   input: RetainRule,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Count !== undefined) {
-    bodyParams["Count"] = input.Count;
-  }
-  if (input.Interval !== undefined) {
-    bodyParams["Interval"] = input.Interval;
-  }
-  if (input.IntervalUnit !== undefined) {
-    bodyParams["IntervalUnit"] = input.IntervalUnit;
-  }
-  return bodyParams;
+  return {
+    ...(input.Count !== undefined && { Count: input.Count }),
+    ...(input.Interval !== undefined && { Interval: input.Interval }),
+    ...(input.IntervalUnit !== undefined && {
+      IntervalUnit: input.IntervalUnit
+    })
+  };
 };
 
 const serializeAws_restJson1_1Schedule = (
   input: Schedule,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CopyTags !== undefined) {
-    bodyParams["CopyTags"] = input.CopyTags;
-  }
-  if (input.CreateRule !== undefined) {
-    bodyParams["CreateRule"] = serializeAws_restJson1_1CreateRule(
-      input.CreateRule,
-      context
-    );
-  }
-  if (input.CrossRegionCopyRules !== undefined) {
-    bodyParams[
-      "CrossRegionCopyRules"
-    ] = serializeAws_restJson1_1CrossRegionCopyRules(
-      input.CrossRegionCopyRules,
-      context
-    );
-  }
-  if (input.FastRestoreRule !== undefined) {
-    bodyParams["FastRestoreRule"] = serializeAws_restJson1_1FastRestoreRule(
-      input.FastRestoreRule,
-      context
-    );
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.RetainRule !== undefined) {
-    bodyParams["RetainRule"] = serializeAws_restJson1_1RetainRule(
-      input.RetainRule,
-      context
-    );
-  }
-  if (input.TagsToAdd !== undefined) {
-    bodyParams["TagsToAdd"] = serializeAws_restJson1_1TagsToAddList(
-      input.TagsToAdd,
-      context
-    );
-  }
-  if (input.VariableTags !== undefined) {
-    bodyParams["VariableTags"] = serializeAws_restJson1_1VariableTagsList(
-      input.VariableTags,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.CopyTags !== undefined && { CopyTags: input.CopyTags }),
+    ...(input.CreateRule !== undefined && {
+      CreateRule: serializeAws_restJson1_1CreateRule(input.CreateRule, context)
+    }),
+    ...(input.CrossRegionCopyRules !== undefined && {
+      CrossRegionCopyRules: serializeAws_restJson1_1CrossRegionCopyRules(
+        input.CrossRegionCopyRules,
+        context
+      )
+    }),
+    ...(input.FastRestoreRule !== undefined && {
+      FastRestoreRule: serializeAws_restJson1_1FastRestoreRule(
+        input.FastRestoreRule,
+        context
+      )
+    }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.RetainRule !== undefined && {
+      RetainRule: serializeAws_restJson1_1RetainRule(input.RetainRule, context)
+    }),
+    ...(input.TagsToAdd !== undefined && {
+      TagsToAdd: serializeAws_restJson1_1TagsToAddList(input.TagsToAdd, context)
+    }),
+    ...(input.VariableTags !== undefined && {
+      VariableTags: serializeAws_restJson1_1VariableTagsList(
+        input.VariableTags,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1ScheduleList = (
@@ -1408,14 +1358,10 @@ const serializeAws_restJson1_1Tag = (
   input: Tag,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Key !== undefined) {
-    bodyParams["Key"] = input.Key;
-  }
-  if (input.Value !== undefined) {
-    bodyParams["Value"] = input.Value;
-  }
-  return bodyParams;
+  return {
+    ...(input.Key !== undefined && { Key: input.Key }),
+    ...(input.Value !== undefined && { Value: input.Value })
+  };
 };
 
 const serializeAws_restJson1_1TagMap = (
diff --git a/clients/client-dynamodb-streams/protocols/Aws_json1_0.ts b/clients/client-dynamodb-streams/protocols/Aws_json1_0.ts
index a27db03e86c8..04888bef4539 100644
--- a/clients/client-dynamodb-streams/protocols/Aws_json1_0.ts
+++ b/clients/client-dynamodb-streams/protocols/Aws_json1_0.ts
@@ -529,68 +529,54 @@ const serializeAws_json1_0DescribeStreamInput = (
   input: DescribeStreamInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ExclusiveStartShardId !== undefined) {
-    bodyParams["ExclusiveStartShardId"] = input.ExclusiveStartShardId;
-  }
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.StreamArn !== undefined) {
-    bodyParams["StreamArn"] = input.StreamArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.ExclusiveStartShardId !== undefined && {
+      ExclusiveStartShardId: input.ExclusiveStartShardId
+    }),
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.StreamArn !== undefined && { StreamArn: input.StreamArn })
+  };
 };
 
 const serializeAws_json1_0GetRecordsInput = (
   input: GetRecordsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.ShardIterator !== undefined) {
-    bodyParams["ShardIterator"] = input.ShardIterator;
-  }
-  return bodyParams;
+  return {
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.ShardIterator !== undefined && {
+      ShardIterator: input.ShardIterator
+    })
+  };
 };
 
 const serializeAws_json1_0GetShardIteratorInput = (
   input: GetShardIteratorInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.SequenceNumber !== undefined) {
-    bodyParams["SequenceNumber"] = input.SequenceNumber;
-  }
-  if (input.ShardId !== undefined) {
-    bodyParams["ShardId"] = input.ShardId;
-  }
-  if (input.ShardIteratorType !== undefined) {
-    bodyParams["ShardIteratorType"] = input.ShardIteratorType;
-  }
-  if (input.StreamArn !== undefined) {
-    bodyParams["StreamArn"] = input.StreamArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.SequenceNumber !== undefined && {
+      SequenceNumber: input.SequenceNumber
+    }),
+    ...(input.ShardId !== undefined && { ShardId: input.ShardId }),
+    ...(input.ShardIteratorType !== undefined && {
+      ShardIteratorType: input.ShardIteratorType
+    }),
+    ...(input.StreamArn !== undefined && { StreamArn: input.StreamArn })
+  };
 };
 
 const serializeAws_json1_0ListStreamsInput = (
   input: ListStreamsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ExclusiveStartStreamArn !== undefined) {
-    bodyParams["ExclusiveStartStreamArn"] = input.ExclusiveStartStreamArn;
-  }
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.TableName !== undefined) {
-    bodyParams["TableName"] = input.TableName;
-  }
-  return bodyParams;
+  return {
+    ...(input.ExclusiveStartStreamArn !== undefined && {
+      ExclusiveStartStreamArn: input.ExclusiveStartStreamArn
+    }),
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.TableName !== undefined && { TableName: input.TableName })
+  };
 };
 
 const deserializeAws_json1_0DescribeStreamOutput = (
diff --git a/clients/client-dynamodb/protocols/Aws_json1_0.ts b/clients/client-dynamodb/protocols/Aws_json1_0.ts
index 69e579f4457c..fa1c2a45156b 100644
--- a/clients/client-dynamodb/protocols/Aws_json1_0.ts
+++ b/clients/client-dynamodb/protocols/Aws_json1_0.ts
@@ -5504,22 +5504,21 @@ const serializeAws_json1_0DescribeEndpointsRequest = (
   input: DescribeEndpointsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  return bodyParams;
+  return {};
 };
 
 const serializeAws_json1_0AttributeDefinition = (
   input: AttributeDefinition,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AttributeName !== undefined) {
-    bodyParams["AttributeName"] = input.AttributeName;
-  }
-  if (input.AttributeType !== undefined) {
-    bodyParams["AttributeType"] = input.AttributeType;
-  }
-  return bodyParams;
+  return {
+    ...(input.AttributeName !== undefined && {
+      AttributeName: input.AttributeName
+    }),
+    ...(input.AttributeType !== undefined && {
+      AttributeType: input.AttributeType
+    })
+  };
 };
 
 const serializeAws_json1_0AttributeDefinitions = (
@@ -5552,47 +5551,28 @@ const serializeAws_json1_0AttributeValue = (
   input: AttributeValue,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.B !== undefined) {
-    bodyParams["B"] = context.base64Encoder(input.B);
-  }
-  if (input.BOOL !== undefined) {
-    bodyParams["BOOL"] = input.BOOL;
-  }
-  if (input.BS !== undefined) {
-    bodyParams["BS"] = serializeAws_json1_0BinarySetAttributeValue(
-      input.BS,
-      context
-    );
-  }
-  if (input.L !== undefined) {
-    bodyParams["L"] = serializeAws_json1_0ListAttributeValue(input.L, context);
-  }
-  if (input.M !== undefined) {
-    bodyParams["M"] = serializeAws_json1_0MapAttributeValue(input.M, context);
-  }
-  if (input.N !== undefined) {
-    bodyParams["N"] = input.N;
-  }
-  if (input.NS !== undefined) {
-    bodyParams["NS"] = serializeAws_json1_0NumberSetAttributeValue(
-      input.NS,
-      context
-    );
-  }
-  if (input.NULL !== undefined) {
-    bodyParams["NULL"] = input.NULL;
-  }
-  if (input.S !== undefined) {
-    bodyParams["S"] = input.S;
-  }
-  if (input.SS !== undefined) {
-    bodyParams["SS"] = serializeAws_json1_0StringSetAttributeValue(
-      input.SS,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.B !== undefined && { B: context.base64Encoder(input.B) }),
+    ...(input.BOOL !== undefined && { BOOL: input.BOOL }),
+    ...(input.BS !== undefined && {
+      BS: serializeAws_json1_0BinarySetAttributeValue(input.BS, context)
+    }),
+    ...(input.L !== undefined && {
+      L: serializeAws_json1_0ListAttributeValue(input.L, context)
+    }),
+    ...(input.M !== undefined && {
+      M: serializeAws_json1_0MapAttributeValue(input.M, context)
+    }),
+    ...(input.N !== undefined && { N: input.N }),
+    ...(input.NS !== undefined && {
+      NS: serializeAws_json1_0NumberSetAttributeValue(input.NS, context)
+    }),
+    ...(input.NULL !== undefined && { NULL: input.NULL }),
+    ...(input.S !== undefined && { S: input.S }),
+    ...(input.SS !== undefined && {
+      SS: serializeAws_json1_0StringSetAttributeValue(input.SS, context)
+    })
+  };
 };
 
 const serializeAws_json1_0AttributeValueList = (
@@ -5606,101 +5586,88 @@ const serializeAws_json1_0AttributeValueUpdate = (
   input: AttributeValueUpdate,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Action !== undefined) {
-    bodyParams["Action"] = input.Action;
-  }
-  if (input.Value !== undefined) {
-    bodyParams["Value"] = serializeAws_json1_0AttributeValue(
-      input.Value,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Action !== undefined && { Action: input.Action }),
+    ...(input.Value !== undefined && {
+      Value: serializeAws_json1_0AttributeValue(input.Value, context)
+    })
+  };
 };
 
 const serializeAws_json1_0AutoScalingPolicyUpdate = (
   input: AutoScalingPolicyUpdate,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.PolicyName !== undefined) {
-    bodyParams["PolicyName"] = input.PolicyName;
-  }
-  if (input.TargetTrackingScalingPolicyConfiguration !== undefined) {
-    bodyParams[
-      "TargetTrackingScalingPolicyConfiguration"
-    ] = serializeAws_json1_0AutoScalingTargetTrackingScalingPolicyConfigurationUpdate(
-      input.TargetTrackingScalingPolicyConfiguration,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.PolicyName !== undefined && { PolicyName: input.PolicyName }),
+    ...(input.TargetTrackingScalingPolicyConfiguration !== undefined && {
+      TargetTrackingScalingPolicyConfiguration: serializeAws_json1_0AutoScalingTargetTrackingScalingPolicyConfigurationUpdate(
+        input.TargetTrackingScalingPolicyConfiguration,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_0AutoScalingSettingsUpdate = (
   input: AutoScalingSettingsUpdate,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AutoScalingDisabled !== undefined) {
-    bodyParams["AutoScalingDisabled"] = input.AutoScalingDisabled;
-  }
-  if (input.AutoScalingRoleArn !== undefined) {
-    bodyParams["AutoScalingRoleArn"] = input.AutoScalingRoleArn;
-  }
-  if (input.MaximumUnits !== undefined) {
-    bodyParams["MaximumUnits"] = input.MaximumUnits;
-  }
-  if (input.MinimumUnits !== undefined) {
-    bodyParams["MinimumUnits"] = input.MinimumUnits;
-  }
-  if (input.ScalingPolicyUpdate !== undefined) {
-    bodyParams[
-      "ScalingPolicyUpdate"
-    ] = serializeAws_json1_0AutoScalingPolicyUpdate(
-      input.ScalingPolicyUpdate,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.AutoScalingDisabled !== undefined && {
+      AutoScalingDisabled: input.AutoScalingDisabled
+    }),
+    ...(input.AutoScalingRoleArn !== undefined && {
+      AutoScalingRoleArn: input.AutoScalingRoleArn
+    }),
+    ...(input.MaximumUnits !== undefined && {
+      MaximumUnits: input.MaximumUnits
+    }),
+    ...(input.MinimumUnits !== undefined && {
+      MinimumUnits: input.MinimumUnits
+    }),
+    ...(input.ScalingPolicyUpdate !== undefined && {
+      ScalingPolicyUpdate: serializeAws_json1_0AutoScalingPolicyUpdate(
+        input.ScalingPolicyUpdate,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_0AutoScalingTargetTrackingScalingPolicyConfigurationUpdate = (
   input: AutoScalingTargetTrackingScalingPolicyConfigurationUpdate,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DisableScaleIn !== undefined) {
-    bodyParams["DisableScaleIn"] = input.DisableScaleIn;
-  }
-  if (input.ScaleInCooldown !== undefined) {
-    bodyParams["ScaleInCooldown"] = input.ScaleInCooldown;
-  }
-  if (input.ScaleOutCooldown !== undefined) {
-    bodyParams["ScaleOutCooldown"] = input.ScaleOutCooldown;
-  }
-  if (input.TargetValue !== undefined) {
-    bodyParams["TargetValue"] = input.TargetValue;
-  }
-  return bodyParams;
+  return {
+    ...(input.DisableScaleIn !== undefined && {
+      DisableScaleIn: input.DisableScaleIn
+    }),
+    ...(input.ScaleInCooldown !== undefined && {
+      ScaleInCooldown: input.ScaleInCooldown
+    }),
+    ...(input.ScaleOutCooldown !== undefined && {
+      ScaleOutCooldown: input.ScaleOutCooldown
+    }),
+    ...(input.TargetValue !== undefined && { TargetValue: input.TargetValue })
+  };
 };
 
 const serializeAws_json1_0BatchGetItemInput = (
   input: BatchGetItemInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.RequestItems !== undefined) {
-    bodyParams["RequestItems"] = serializeAws_json1_0BatchGetRequestMap(
-      input.RequestItems,
-      context
-    );
-  }
-  if (input.ReturnConsumedCapacity !== undefined) {
-    bodyParams["ReturnConsumedCapacity"] = input.ReturnConsumedCapacity;
-  }
-  return bodyParams;
+  return {
+    ...(input.RequestItems !== undefined && {
+      RequestItems: serializeAws_json1_0BatchGetRequestMap(
+        input.RequestItems,
+        context
+      )
+    }),
+    ...(input.ReturnConsumedCapacity !== undefined && {
+      ReturnConsumedCapacity: input.ReturnConsumedCapacity
+    })
+  };
 };
 
 const serializeAws_json1_0BatchGetRequestMap = (
@@ -5717,21 +5684,20 @@ const serializeAws_json1_0BatchWriteItemInput = (
   input: BatchWriteItemInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.RequestItems !== undefined) {
-    bodyParams["RequestItems"] = serializeAws_json1_0BatchWriteItemRequestMap(
-      input.RequestItems,
-      context
-    );
-  }
-  if (input.ReturnConsumedCapacity !== undefined) {
-    bodyParams["ReturnConsumedCapacity"] = input.ReturnConsumedCapacity;
-  }
-  if (input.ReturnItemCollectionMetrics !== undefined) {
-    bodyParams["ReturnItemCollectionMetrics"] =
-      input.ReturnItemCollectionMetrics;
-  }
-  return bodyParams;
+  return {
+    ...(input.RequestItems !== undefined && {
+      RequestItems: serializeAws_json1_0BatchWriteItemRequestMap(
+        input.RequestItems,
+        context
+      )
+    }),
+    ...(input.ReturnConsumedCapacity !== undefined && {
+      ReturnConsumedCapacity: input.ReturnConsumedCapacity
+    }),
+    ...(input.ReturnItemCollectionMetrics !== undefined && {
+      ReturnItemCollectionMetrics: input.ReturnItemCollectionMetrics
+    })
+  };
 };
 
 const serializeAws_json1_0BatchWriteItemRequestMap = (
@@ -5755,478 +5721,397 @@ const serializeAws_json1_0Condition = (
   input: Condition,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AttributeValueList !== undefined) {
-    bodyParams["AttributeValueList"] = serializeAws_json1_0AttributeValueList(
-      input.AttributeValueList,
-      context
-    );
-  }
-  if (input.ComparisonOperator !== undefined) {
-    bodyParams["ComparisonOperator"] = input.ComparisonOperator;
-  }
-  return bodyParams;
+  return {
+    ...(input.AttributeValueList !== undefined && {
+      AttributeValueList: serializeAws_json1_0AttributeValueList(
+        input.AttributeValueList,
+        context
+      )
+    }),
+    ...(input.ComparisonOperator !== undefined && {
+      ComparisonOperator: input.ComparisonOperator
+    })
+  };
 };
 
 const serializeAws_json1_0ConditionCheck = (
   input: ConditionCheck,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ConditionExpression !== undefined) {
-    bodyParams["ConditionExpression"] = input.ConditionExpression;
-  }
-  if (input.ExpressionAttributeNames !== undefined) {
-    bodyParams[
-      "ExpressionAttributeNames"
-    ] = serializeAws_json1_0ExpressionAttributeNameMap(
-      input.ExpressionAttributeNames,
-      context
-    );
-  }
-  if (input.ExpressionAttributeValues !== undefined) {
-    bodyParams[
-      "ExpressionAttributeValues"
-    ] = serializeAws_json1_0ExpressionAttributeValueMap(
-      input.ExpressionAttributeValues,
-      context
-    );
-  }
-  if (input.Key !== undefined) {
-    bodyParams["Key"] = serializeAws_json1_0Key(input.Key, context);
-  }
-  if (input.ReturnValuesOnConditionCheckFailure !== undefined) {
-    bodyParams["ReturnValuesOnConditionCheckFailure"] =
-      input.ReturnValuesOnConditionCheckFailure;
-  }
-  if (input.TableName !== undefined) {
-    bodyParams["TableName"] = input.TableName;
-  }
-  return bodyParams;
+  return {
+    ...(input.ConditionExpression !== undefined && {
+      ConditionExpression: input.ConditionExpression
+    }),
+    ...(input.ExpressionAttributeNames !== undefined && {
+      ExpressionAttributeNames: serializeAws_json1_0ExpressionAttributeNameMap(
+        input.ExpressionAttributeNames,
+        context
+      )
+    }),
+    ...(input.ExpressionAttributeValues !== undefined && {
+      ExpressionAttributeValues: serializeAws_json1_0ExpressionAttributeValueMap(
+        input.ExpressionAttributeValues,
+        context
+      )
+    }),
+    ...(input.Key !== undefined && {
+      Key: serializeAws_json1_0Key(input.Key, context)
+    }),
+    ...(input.ReturnValuesOnConditionCheckFailure !== undefined && {
+      ReturnValuesOnConditionCheckFailure:
+        input.ReturnValuesOnConditionCheckFailure
+    }),
+    ...(input.TableName !== undefined && { TableName: input.TableName })
+  };
 };
 
 const serializeAws_json1_0CreateBackupInput = (
   input: CreateBackupInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.BackupName !== undefined) {
-    bodyParams["BackupName"] = input.BackupName;
-  }
-  if (input.TableName !== undefined) {
-    bodyParams["TableName"] = input.TableName;
-  }
-  return bodyParams;
+  return {
+    ...(input.BackupName !== undefined && { BackupName: input.BackupName }),
+    ...(input.TableName !== undefined && { TableName: input.TableName })
+  };
 };
 
 const serializeAws_json1_0CreateGlobalSecondaryIndexAction = (
   input: CreateGlobalSecondaryIndexAction,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.IndexName !== undefined) {
-    bodyParams["IndexName"] = input.IndexName;
-  }
-  if (input.KeySchema !== undefined) {
-    bodyParams["KeySchema"] = serializeAws_json1_0KeySchema(
-      input.KeySchema,
-      context
-    );
-  }
-  if (input.Projection !== undefined) {
-    bodyParams["Projection"] = serializeAws_json1_0Projection(
-      input.Projection,
-      context
-    );
-  }
-  if (input.ProvisionedThroughput !== undefined) {
-    bodyParams[
-      "ProvisionedThroughput"
-    ] = serializeAws_json1_0ProvisionedThroughput(
-      input.ProvisionedThroughput,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.IndexName !== undefined && { IndexName: input.IndexName }),
+    ...(input.KeySchema !== undefined && {
+      KeySchema: serializeAws_json1_0KeySchema(input.KeySchema, context)
+    }),
+    ...(input.Projection !== undefined && {
+      Projection: serializeAws_json1_0Projection(input.Projection, context)
+    }),
+    ...(input.ProvisionedThroughput !== undefined && {
+      ProvisionedThroughput: serializeAws_json1_0ProvisionedThroughput(
+        input.ProvisionedThroughput,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_0CreateGlobalTableInput = (
   input: CreateGlobalTableInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.GlobalTableName !== undefined) {
-    bodyParams["GlobalTableName"] = input.GlobalTableName;
-  }
-  if (input.ReplicationGroup !== undefined) {
-    bodyParams["ReplicationGroup"] = serializeAws_json1_0ReplicaList(
-      input.ReplicationGroup,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.GlobalTableName !== undefined && {
+      GlobalTableName: input.GlobalTableName
+    }),
+    ...(input.ReplicationGroup !== undefined && {
+      ReplicationGroup: serializeAws_json1_0ReplicaList(
+        input.ReplicationGroup,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_0CreateReplicaAction = (
   input: CreateReplicaAction,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.RegionName !== undefined) {
-    bodyParams["RegionName"] = input.RegionName;
-  }
-  return bodyParams;
+  return {
+    ...(input.RegionName !== undefined && { RegionName: input.RegionName })
+  };
 };
 
 const serializeAws_json1_0CreateReplicationGroupMemberAction = (
   input: CreateReplicationGroupMemberAction,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.GlobalSecondaryIndexes !== undefined) {
-    bodyParams[
-      "GlobalSecondaryIndexes"
-    ] = serializeAws_json1_0ReplicaGlobalSecondaryIndexList(
-      input.GlobalSecondaryIndexes,
-      context
-    );
-  }
-  if (input.KMSMasterKeyId !== undefined) {
-    bodyParams["KMSMasterKeyId"] = input.KMSMasterKeyId;
-  }
-  if (input.ProvisionedThroughputOverride !== undefined) {
-    bodyParams[
-      "ProvisionedThroughputOverride"
-    ] = serializeAws_json1_0ProvisionedThroughputOverride(
-      input.ProvisionedThroughputOverride,
-      context
-    );
-  }
-  if (input.RegionName !== undefined) {
-    bodyParams["RegionName"] = input.RegionName;
-  }
-  return bodyParams;
+  return {
+    ...(input.GlobalSecondaryIndexes !== undefined && {
+      GlobalSecondaryIndexes: serializeAws_json1_0ReplicaGlobalSecondaryIndexList(
+        input.GlobalSecondaryIndexes,
+        context
+      )
+    }),
+    ...(input.KMSMasterKeyId !== undefined && {
+      KMSMasterKeyId: input.KMSMasterKeyId
+    }),
+    ...(input.ProvisionedThroughputOverride !== undefined && {
+      ProvisionedThroughputOverride: serializeAws_json1_0ProvisionedThroughputOverride(
+        input.ProvisionedThroughputOverride,
+        context
+      )
+    }),
+    ...(input.RegionName !== undefined && { RegionName: input.RegionName })
+  };
 };
 
 const serializeAws_json1_0CreateTableInput = (
   input: CreateTableInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AttributeDefinitions !== undefined) {
-    bodyParams[
-      "AttributeDefinitions"
-    ] = serializeAws_json1_0AttributeDefinitions(
-      input.AttributeDefinitions,
-      context
-    );
-  }
-  if (input.BillingMode !== undefined) {
-    bodyParams["BillingMode"] = input.BillingMode;
-  }
-  if (input.GlobalSecondaryIndexes !== undefined) {
-    bodyParams[
-      "GlobalSecondaryIndexes"
-    ] = serializeAws_json1_0GlobalSecondaryIndexList(
-      input.GlobalSecondaryIndexes,
-      context
-    );
-  }
-  if (input.KeySchema !== undefined) {
-    bodyParams["KeySchema"] = serializeAws_json1_0KeySchema(
-      input.KeySchema,
-      context
-    );
-  }
-  if (input.LocalSecondaryIndexes !== undefined) {
-    bodyParams[
-      "LocalSecondaryIndexes"
-    ] = serializeAws_json1_0LocalSecondaryIndexList(
-      input.LocalSecondaryIndexes,
-      context
-    );
-  }
-  if (input.ProvisionedThroughput !== undefined) {
-    bodyParams[
-      "ProvisionedThroughput"
-    ] = serializeAws_json1_0ProvisionedThroughput(
-      input.ProvisionedThroughput,
-      context
-    );
-  }
-  if (input.SSESpecification !== undefined) {
-    bodyParams["SSESpecification"] = serializeAws_json1_0SSESpecification(
-      input.SSESpecification,
-      context
-    );
-  }
-  if (input.StreamSpecification !== undefined) {
-    bodyParams["StreamSpecification"] = serializeAws_json1_0StreamSpecification(
-      input.StreamSpecification,
-      context
-    );
-  }
-  if (input.TableName !== undefined) {
-    bodyParams["TableName"] = input.TableName;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_0TagList(input.Tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.AttributeDefinitions !== undefined && {
+      AttributeDefinitions: serializeAws_json1_0AttributeDefinitions(
+        input.AttributeDefinitions,
+        context
+      )
+    }),
+    ...(input.BillingMode !== undefined && { BillingMode: input.BillingMode }),
+    ...(input.GlobalSecondaryIndexes !== undefined && {
+      GlobalSecondaryIndexes: serializeAws_json1_0GlobalSecondaryIndexList(
+        input.GlobalSecondaryIndexes,
+        context
+      )
+    }),
+    ...(input.KeySchema !== undefined && {
+      KeySchema: serializeAws_json1_0KeySchema(input.KeySchema, context)
+    }),
+    ...(input.LocalSecondaryIndexes !== undefined && {
+      LocalSecondaryIndexes: serializeAws_json1_0LocalSecondaryIndexList(
+        input.LocalSecondaryIndexes,
+        context
+      )
+    }),
+    ...(input.ProvisionedThroughput !== undefined && {
+      ProvisionedThroughput: serializeAws_json1_0ProvisionedThroughput(
+        input.ProvisionedThroughput,
+        context
+      )
+    }),
+    ...(input.SSESpecification !== undefined && {
+      SSESpecification: serializeAws_json1_0SSESpecification(
+        input.SSESpecification,
+        context
+      )
+    }),
+    ...(input.StreamSpecification !== undefined && {
+      StreamSpecification: serializeAws_json1_0StreamSpecification(
+        input.StreamSpecification,
+        context
+      )
+    }),
+    ...(input.TableName !== undefined && { TableName: input.TableName }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_0TagList(input.Tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_0Delete = (
   input: Delete,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ConditionExpression !== undefined) {
-    bodyParams["ConditionExpression"] = input.ConditionExpression;
-  }
-  if (input.ExpressionAttributeNames !== undefined) {
-    bodyParams[
-      "ExpressionAttributeNames"
-    ] = serializeAws_json1_0ExpressionAttributeNameMap(
-      input.ExpressionAttributeNames,
-      context
-    );
-  }
-  if (input.ExpressionAttributeValues !== undefined) {
-    bodyParams[
-      "ExpressionAttributeValues"
-    ] = serializeAws_json1_0ExpressionAttributeValueMap(
-      input.ExpressionAttributeValues,
-      context
-    );
-  }
-  if (input.Key !== undefined) {
-    bodyParams["Key"] = serializeAws_json1_0Key(input.Key, context);
-  }
-  if (input.ReturnValuesOnConditionCheckFailure !== undefined) {
-    bodyParams["ReturnValuesOnConditionCheckFailure"] =
-      input.ReturnValuesOnConditionCheckFailure;
-  }
-  if (input.TableName !== undefined) {
-    bodyParams["TableName"] = input.TableName;
-  }
-  return bodyParams;
+  return {
+    ...(input.ConditionExpression !== undefined && {
+      ConditionExpression: input.ConditionExpression
+    }),
+    ...(input.ExpressionAttributeNames !== undefined && {
+      ExpressionAttributeNames: serializeAws_json1_0ExpressionAttributeNameMap(
+        input.ExpressionAttributeNames,
+        context
+      )
+    }),
+    ...(input.ExpressionAttributeValues !== undefined && {
+      ExpressionAttributeValues: serializeAws_json1_0ExpressionAttributeValueMap(
+        input.ExpressionAttributeValues,
+        context
+      )
+    }),
+    ...(input.Key !== undefined && {
+      Key: serializeAws_json1_0Key(input.Key, context)
+    }),
+    ...(input.ReturnValuesOnConditionCheckFailure !== undefined && {
+      ReturnValuesOnConditionCheckFailure:
+        input.ReturnValuesOnConditionCheckFailure
+    }),
+    ...(input.TableName !== undefined && { TableName: input.TableName })
+  };
 };
 
 const serializeAws_json1_0DeleteBackupInput = (
   input: DeleteBackupInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.BackupArn !== undefined) {
-    bodyParams["BackupArn"] = input.BackupArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.BackupArn !== undefined && { BackupArn: input.BackupArn })
+  };
 };
 
 const serializeAws_json1_0DeleteGlobalSecondaryIndexAction = (
   input: DeleteGlobalSecondaryIndexAction,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.IndexName !== undefined) {
-    bodyParams["IndexName"] = input.IndexName;
-  }
-  return bodyParams;
+  return {
+    ...(input.IndexName !== undefined && { IndexName: input.IndexName })
+  };
 };
 
 const serializeAws_json1_0DeleteItemInput = (
   input: DeleteItemInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ConditionExpression !== undefined) {
-    bodyParams["ConditionExpression"] = input.ConditionExpression;
-  }
-  if (input.ConditionalOperator !== undefined) {
-    bodyParams["ConditionalOperator"] = input.ConditionalOperator;
-  }
-  if (input.Expected !== undefined) {
-    bodyParams["Expected"] = serializeAws_json1_0ExpectedAttributeMap(
-      input.Expected,
-      context
-    );
-  }
-  if (input.ExpressionAttributeNames !== undefined) {
-    bodyParams[
-      "ExpressionAttributeNames"
-    ] = serializeAws_json1_0ExpressionAttributeNameMap(
-      input.ExpressionAttributeNames,
-      context
-    );
-  }
-  if (input.ExpressionAttributeValues !== undefined) {
-    bodyParams[
-      "ExpressionAttributeValues"
-    ] = serializeAws_json1_0ExpressionAttributeValueMap(
-      input.ExpressionAttributeValues,
-      context
-    );
-  }
-  if (input.Key !== undefined) {
-    bodyParams["Key"] = serializeAws_json1_0Key(input.Key, context);
-  }
-  if (input.ReturnConsumedCapacity !== undefined) {
-    bodyParams["ReturnConsumedCapacity"] = input.ReturnConsumedCapacity;
-  }
-  if (input.ReturnItemCollectionMetrics !== undefined) {
-    bodyParams["ReturnItemCollectionMetrics"] =
-      input.ReturnItemCollectionMetrics;
-  }
-  if (input.ReturnValues !== undefined) {
-    bodyParams["ReturnValues"] = input.ReturnValues;
-  }
-  if (input.TableName !== undefined) {
-    bodyParams["TableName"] = input.TableName;
-  }
-  return bodyParams;
+  return {
+    ...(input.ConditionExpression !== undefined && {
+      ConditionExpression: input.ConditionExpression
+    }),
+    ...(input.ConditionalOperator !== undefined && {
+      ConditionalOperator: input.ConditionalOperator
+    }),
+    ...(input.Expected !== undefined && {
+      Expected: serializeAws_json1_0ExpectedAttributeMap(
+        input.Expected,
+        context
+      )
+    }),
+    ...(input.ExpressionAttributeNames !== undefined && {
+      ExpressionAttributeNames: serializeAws_json1_0ExpressionAttributeNameMap(
+        input.ExpressionAttributeNames,
+        context
+      )
+    }),
+    ...(input.ExpressionAttributeValues !== undefined && {
+      ExpressionAttributeValues: serializeAws_json1_0ExpressionAttributeValueMap(
+        input.ExpressionAttributeValues,
+        context
+      )
+    }),
+    ...(input.Key !== undefined && {
+      Key: serializeAws_json1_0Key(input.Key, context)
+    }),
+    ...(input.ReturnConsumedCapacity !== undefined && {
+      ReturnConsumedCapacity: input.ReturnConsumedCapacity
+    }),
+    ...(input.ReturnItemCollectionMetrics !== undefined && {
+      ReturnItemCollectionMetrics: input.ReturnItemCollectionMetrics
+    }),
+    ...(input.ReturnValues !== undefined && {
+      ReturnValues: input.ReturnValues
+    }),
+    ...(input.TableName !== undefined && { TableName: input.TableName })
+  };
 };
 
 const serializeAws_json1_0DeleteReplicaAction = (
   input: DeleteReplicaAction,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.RegionName !== undefined) {
-    bodyParams["RegionName"] = input.RegionName;
-  }
-  return bodyParams;
+  return {
+    ...(input.RegionName !== undefined && { RegionName: input.RegionName })
+  };
 };
 
 const serializeAws_json1_0DeleteReplicationGroupMemberAction = (
   input: DeleteReplicationGroupMemberAction,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.RegionName !== undefined) {
-    bodyParams["RegionName"] = input.RegionName;
-  }
-  return bodyParams;
+  return {
+    ...(input.RegionName !== undefined && { RegionName: input.RegionName })
+  };
 };
 
 const serializeAws_json1_0DeleteRequest = (
   input: DeleteRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Key !== undefined) {
-    bodyParams["Key"] = serializeAws_json1_0Key(input.Key, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.Key !== undefined && {
+      Key: serializeAws_json1_0Key(input.Key, context)
+    })
+  };
 };
 
 const serializeAws_json1_0DeleteTableInput = (
   input: DeleteTableInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.TableName !== undefined) {
-    bodyParams["TableName"] = input.TableName;
-  }
-  return bodyParams;
+  return {
+    ...(input.TableName !== undefined && { TableName: input.TableName })
+  };
 };
 
 const serializeAws_json1_0DescribeBackupInput = (
   input: DescribeBackupInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.BackupArn !== undefined) {
-    bodyParams["BackupArn"] = input.BackupArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.BackupArn !== undefined && { BackupArn: input.BackupArn })
+  };
 };
 
 const serializeAws_json1_0DescribeContinuousBackupsInput = (
   input: DescribeContinuousBackupsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.TableName !== undefined) {
-    bodyParams["TableName"] = input.TableName;
-  }
-  return bodyParams;
+  return {
+    ...(input.TableName !== undefined && { TableName: input.TableName })
+  };
 };
 
 const serializeAws_json1_0DescribeContributorInsightsInput = (
   input: DescribeContributorInsightsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.IndexName !== undefined) {
-    bodyParams["IndexName"] = input.IndexName;
-  }
-  if (input.TableName !== undefined) {
-    bodyParams["TableName"] = input.TableName;
-  }
-  return bodyParams;
+  return {
+    ...(input.IndexName !== undefined && { IndexName: input.IndexName }),
+    ...(input.TableName !== undefined && { TableName: input.TableName })
+  };
 };
 
 const serializeAws_json1_0DescribeGlobalTableInput = (
   input: DescribeGlobalTableInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.GlobalTableName !== undefined) {
-    bodyParams["GlobalTableName"] = input.GlobalTableName;
-  }
-  return bodyParams;
+  return {
+    ...(input.GlobalTableName !== undefined && {
+      GlobalTableName: input.GlobalTableName
+    })
+  };
 };
 
 const serializeAws_json1_0DescribeGlobalTableSettingsInput = (
   input: DescribeGlobalTableSettingsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.GlobalTableName !== undefined) {
-    bodyParams["GlobalTableName"] = input.GlobalTableName;
-  }
-  return bodyParams;
+  return {
+    ...(input.GlobalTableName !== undefined && {
+      GlobalTableName: input.GlobalTableName
+    })
+  };
 };
 
 const serializeAws_json1_0DescribeLimitsInput = (
   input: DescribeLimitsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  return bodyParams;
+  return {};
 };
 
 const serializeAws_json1_0DescribeTableInput = (
   input: DescribeTableInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.TableName !== undefined) {
-    bodyParams["TableName"] = input.TableName;
-  }
-  return bodyParams;
+  return {
+    ...(input.TableName !== undefined && { TableName: input.TableName })
+  };
 };
 
 const serializeAws_json1_0DescribeTableReplicaAutoScalingInput = (
   input: DescribeTableReplicaAutoScalingInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.TableName !== undefined) {
-    bodyParams["TableName"] = input.TableName;
-  }
-  return bodyParams;
+  return {
+    ...(input.TableName !== undefined && { TableName: input.TableName })
+  };
 };
 
 const serializeAws_json1_0DescribeTimeToLiveInput = (
   input: DescribeTimeToLiveInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.TableName !== undefined) {
-    bodyParams["TableName"] = input.TableName;
-  }
-  return bodyParams;
+  return {
+    ...(input.TableName !== undefined && { TableName: input.TableName })
+  };
 };
 
 const serializeAws_json1_0ExpectedAttributeMap = (
@@ -6243,26 +6128,21 @@ const serializeAws_json1_0ExpectedAttributeValue = (
   input: ExpectedAttributeValue,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AttributeValueList !== undefined) {
-    bodyParams["AttributeValueList"] = serializeAws_json1_0AttributeValueList(
-      input.AttributeValueList,
-      context
-    );
-  }
-  if (input.ComparisonOperator !== undefined) {
-    bodyParams["ComparisonOperator"] = input.ComparisonOperator;
-  }
-  if (input.Exists !== undefined) {
-    bodyParams["Exists"] = input.Exists;
-  }
-  if (input.Value !== undefined) {
-    bodyParams["Value"] = serializeAws_json1_0AttributeValue(
-      input.Value,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.AttributeValueList !== undefined && {
+      AttributeValueList: serializeAws_json1_0AttributeValueList(
+        input.AttributeValueList,
+        context
+      )
+    }),
+    ...(input.ComparisonOperator !== undefined && {
+      ComparisonOperator: input.ComparisonOperator
+    }),
+    ...(input.Exists !== undefined && { Exists: input.Exists }),
+    ...(input.Value !== undefined && {
+      Value: serializeAws_json1_0AttributeValue(input.Value, context)
+    })
+  };
 };
 
 const serializeAws_json1_0ExpressionAttributeNameMap = (
@@ -6296,112 +6176,90 @@ const serializeAws_json1_0FilterConditionMap = (
 };
 
 const serializeAws_json1_0Get = (input: Get, context: __SerdeContext): any => {
-  const bodyParams: any = {};
-  if (input.ExpressionAttributeNames !== undefined) {
-    bodyParams[
-      "ExpressionAttributeNames"
-    ] = serializeAws_json1_0ExpressionAttributeNameMap(
-      input.ExpressionAttributeNames,
-      context
-    );
-  }
-  if (input.Key !== undefined) {
-    bodyParams["Key"] = serializeAws_json1_0Key(input.Key, context);
-  }
-  if (input.ProjectionExpression !== undefined) {
-    bodyParams["ProjectionExpression"] = input.ProjectionExpression;
-  }
-  if (input.TableName !== undefined) {
-    bodyParams["TableName"] = input.TableName;
-  }
-  return bodyParams;
+  return {
+    ...(input.ExpressionAttributeNames !== undefined && {
+      ExpressionAttributeNames: serializeAws_json1_0ExpressionAttributeNameMap(
+        input.ExpressionAttributeNames,
+        context
+      )
+    }),
+    ...(input.Key !== undefined && {
+      Key: serializeAws_json1_0Key(input.Key, context)
+    }),
+    ...(input.ProjectionExpression !== undefined && {
+      ProjectionExpression: input.ProjectionExpression
+    }),
+    ...(input.TableName !== undefined && { TableName: input.TableName })
+  };
 };
 
 const serializeAws_json1_0GetItemInput = (
   input: GetItemInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AttributesToGet !== undefined) {
-    bodyParams["AttributesToGet"] = serializeAws_json1_0AttributeNameList(
-      input.AttributesToGet,
-      context
-    );
-  }
-  if (input.ConsistentRead !== undefined) {
-    bodyParams["ConsistentRead"] = input.ConsistentRead;
-  }
-  if (input.ExpressionAttributeNames !== undefined) {
-    bodyParams[
-      "ExpressionAttributeNames"
-    ] = serializeAws_json1_0ExpressionAttributeNameMap(
-      input.ExpressionAttributeNames,
-      context
-    );
-  }
-  if (input.Key !== undefined) {
-    bodyParams["Key"] = serializeAws_json1_0Key(input.Key, context);
-  }
-  if (input.ProjectionExpression !== undefined) {
-    bodyParams["ProjectionExpression"] = input.ProjectionExpression;
-  }
-  if (input.ReturnConsumedCapacity !== undefined) {
-    bodyParams["ReturnConsumedCapacity"] = input.ReturnConsumedCapacity;
-  }
-  if (input.TableName !== undefined) {
-    bodyParams["TableName"] = input.TableName;
-  }
-  return bodyParams;
+  return {
+    ...(input.AttributesToGet !== undefined && {
+      AttributesToGet: serializeAws_json1_0AttributeNameList(
+        input.AttributesToGet,
+        context
+      )
+    }),
+    ...(input.ConsistentRead !== undefined && {
+      ConsistentRead: input.ConsistentRead
+    }),
+    ...(input.ExpressionAttributeNames !== undefined && {
+      ExpressionAttributeNames: serializeAws_json1_0ExpressionAttributeNameMap(
+        input.ExpressionAttributeNames,
+        context
+      )
+    }),
+    ...(input.Key !== undefined && {
+      Key: serializeAws_json1_0Key(input.Key, context)
+    }),
+    ...(input.ProjectionExpression !== undefined && {
+      ProjectionExpression: input.ProjectionExpression
+    }),
+    ...(input.ReturnConsumedCapacity !== undefined && {
+      ReturnConsumedCapacity: input.ReturnConsumedCapacity
+    }),
+    ...(input.TableName !== undefined && { TableName: input.TableName })
+  };
 };
 
 const serializeAws_json1_0GlobalSecondaryIndex = (
   input: GlobalSecondaryIndex,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.IndexName !== undefined) {
-    bodyParams["IndexName"] = input.IndexName;
-  }
-  if (input.KeySchema !== undefined) {
-    bodyParams["KeySchema"] = serializeAws_json1_0KeySchema(
-      input.KeySchema,
-      context
-    );
-  }
-  if (input.Projection !== undefined) {
-    bodyParams["Projection"] = serializeAws_json1_0Projection(
-      input.Projection,
-      context
-    );
-  }
-  if (input.ProvisionedThroughput !== undefined) {
-    bodyParams[
-      "ProvisionedThroughput"
-    ] = serializeAws_json1_0ProvisionedThroughput(
-      input.ProvisionedThroughput,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.IndexName !== undefined && { IndexName: input.IndexName }),
+    ...(input.KeySchema !== undefined && {
+      KeySchema: serializeAws_json1_0KeySchema(input.KeySchema, context)
+    }),
+    ...(input.Projection !== undefined && {
+      Projection: serializeAws_json1_0Projection(input.Projection, context)
+    }),
+    ...(input.ProvisionedThroughput !== undefined && {
+      ProvisionedThroughput: serializeAws_json1_0ProvisionedThroughput(
+        input.ProvisionedThroughput,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_0GlobalSecondaryIndexAutoScalingUpdate = (
   input: GlobalSecondaryIndexAutoScalingUpdate,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.IndexName !== undefined) {
-    bodyParams["IndexName"] = input.IndexName;
-  }
-  if (input.ProvisionedWriteCapacityAutoScalingUpdate !== undefined) {
-    bodyParams[
-      "ProvisionedWriteCapacityAutoScalingUpdate"
-    ] = serializeAws_json1_0AutoScalingSettingsUpdate(
-      input.ProvisionedWriteCapacityAutoScalingUpdate,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.IndexName !== undefined && { IndexName: input.IndexName }),
+    ...(input.ProvisionedWriteCapacityAutoScalingUpdate !== undefined && {
+      ProvisionedWriteCapacityAutoScalingUpdate: serializeAws_json1_0AutoScalingSettingsUpdate(
+        input.ProvisionedWriteCapacityAutoScalingUpdate,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_0GlobalSecondaryIndexAutoScalingUpdateList = (
@@ -6426,26 +6284,26 @@ const serializeAws_json1_0GlobalSecondaryIndexUpdate = (
   input: GlobalSecondaryIndexUpdate,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Create !== undefined) {
-    bodyParams["Create"] = serializeAws_json1_0CreateGlobalSecondaryIndexAction(
-      input.Create,
-      context
-    );
-  }
-  if (input.Delete !== undefined) {
-    bodyParams["Delete"] = serializeAws_json1_0DeleteGlobalSecondaryIndexAction(
-      input.Delete,
-      context
-    );
-  }
-  if (input.Update !== undefined) {
-    bodyParams["Update"] = serializeAws_json1_0UpdateGlobalSecondaryIndexAction(
-      input.Update,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Create !== undefined && {
+      Create: serializeAws_json1_0CreateGlobalSecondaryIndexAction(
+        input.Create,
+        context
+      )
+    }),
+    ...(input.Delete !== undefined && {
+      Delete: serializeAws_json1_0DeleteGlobalSecondaryIndexAction(
+        input.Delete,
+        context
+      )
+    }),
+    ...(input.Update !== undefined && {
+      Update: serializeAws_json1_0UpdateGlobalSecondaryIndexAction(
+        input.Update,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_0GlobalSecondaryIndexUpdateList = (
@@ -6461,23 +6319,19 @@ const serializeAws_json1_0GlobalTableGlobalSecondaryIndexSettingsUpdate = (
   input: GlobalTableGlobalSecondaryIndexSettingsUpdate,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.IndexName !== undefined) {
-    bodyParams["IndexName"] = input.IndexName;
-  }
-  if (input.ProvisionedWriteCapacityAutoScalingSettingsUpdate !== undefined) {
-    bodyParams[
-      "ProvisionedWriteCapacityAutoScalingSettingsUpdate"
-    ] = serializeAws_json1_0AutoScalingSettingsUpdate(
-      input.ProvisionedWriteCapacityAutoScalingSettingsUpdate,
-      context
-    );
-  }
-  if (input.ProvisionedWriteCapacityUnits !== undefined) {
-    bodyParams["ProvisionedWriteCapacityUnits"] =
-      input.ProvisionedWriteCapacityUnits;
-  }
-  return bodyParams;
+  return {
+    ...(input.IndexName !== undefined && { IndexName: input.IndexName }),
+    ...(input.ProvisionedWriteCapacityAutoScalingSettingsUpdate !==
+      undefined && {
+      ProvisionedWriteCapacityAutoScalingSettingsUpdate: serializeAws_json1_0AutoScalingSettingsUpdate(
+        input.ProvisionedWriteCapacityAutoScalingSettingsUpdate,
+        context
+      )
+    }),
+    ...(input.ProvisionedWriteCapacityUnits !== undefined && {
+      ProvisionedWriteCapacityUnits: input.ProvisionedWriteCapacityUnits
+    })
+  };
 };
 
 const serializeAws_json1_0GlobalTableGlobalSecondaryIndexSettingsUpdateList = (
@@ -6532,45 +6386,41 @@ const serializeAws_json1_0KeySchemaElement = (
   input: KeySchemaElement,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AttributeName !== undefined) {
-    bodyParams["AttributeName"] = input.AttributeName;
-  }
-  if (input.KeyType !== undefined) {
-    bodyParams["KeyType"] = input.KeyType;
-  }
-  return bodyParams;
+  return {
+    ...(input.AttributeName !== undefined && {
+      AttributeName: input.AttributeName
+    }),
+    ...(input.KeyType !== undefined && { KeyType: input.KeyType })
+  };
 };
 
 const serializeAws_json1_0KeysAndAttributes = (
   input: KeysAndAttributes,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AttributesToGet !== undefined) {
-    bodyParams["AttributesToGet"] = serializeAws_json1_0AttributeNameList(
-      input.AttributesToGet,
-      context
-    );
-  }
-  if (input.ConsistentRead !== undefined) {
-    bodyParams["ConsistentRead"] = input.ConsistentRead;
-  }
-  if (input.ExpressionAttributeNames !== undefined) {
-    bodyParams[
-      "ExpressionAttributeNames"
-    ] = serializeAws_json1_0ExpressionAttributeNameMap(
-      input.ExpressionAttributeNames,
-      context
-    );
-  }
-  if (input.Keys !== undefined) {
-    bodyParams["Keys"] = serializeAws_json1_0KeyList(input.Keys, context);
-  }
-  if (input.ProjectionExpression !== undefined) {
-    bodyParams["ProjectionExpression"] = input.ProjectionExpression;
-  }
-  return bodyParams;
+  return {
+    ...(input.AttributesToGet !== undefined && {
+      AttributesToGet: serializeAws_json1_0AttributeNameList(
+        input.AttributesToGet,
+        context
+      )
+    }),
+    ...(input.ConsistentRead !== undefined && {
+      ConsistentRead: input.ConsistentRead
+    }),
+    ...(input.ExpressionAttributeNames !== undefined && {
+      ExpressionAttributeNames: serializeAws_json1_0ExpressionAttributeNameMap(
+        input.ExpressionAttributeNames,
+        context
+      )
+    }),
+    ...(input.Keys !== undefined && {
+      Keys: serializeAws_json1_0KeyList(input.Keys, context)
+    }),
+    ...(input.ProjectionExpression !== undefined && {
+      ProjectionExpression: input.ProjectionExpression
+    })
+  };
 };
 
 const serializeAws_json1_0ListAttributeValue = (
@@ -6584,116 +6434,85 @@ const serializeAws_json1_0ListBackupsInput = (
   input: ListBackupsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.BackupType !== undefined) {
-    bodyParams["BackupType"] = input.BackupType;
-  }
-  if (input.ExclusiveStartBackupArn !== undefined) {
-    bodyParams["ExclusiveStartBackupArn"] = input.ExclusiveStartBackupArn;
-  }
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.TableName !== undefined) {
-    bodyParams["TableName"] = input.TableName;
-  }
-  if (input.TimeRangeLowerBound !== undefined) {
-    bodyParams["TimeRangeLowerBound"] = Math.round(
-      input.TimeRangeLowerBound.getTime() / 1000
-    );
-  }
-  if (input.TimeRangeUpperBound !== undefined) {
-    bodyParams["TimeRangeUpperBound"] = Math.round(
-      input.TimeRangeUpperBound.getTime() / 1000
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.BackupType !== undefined && { BackupType: input.BackupType }),
+    ...(input.ExclusiveStartBackupArn !== undefined && {
+      ExclusiveStartBackupArn: input.ExclusiveStartBackupArn
+    }),
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.TableName !== undefined && { TableName: input.TableName }),
+    ...(input.TimeRangeLowerBound !== undefined && {
+      TimeRangeLowerBound: Math.round(
+        input.TimeRangeLowerBound.getTime() / 1000
+      )
+    }),
+    ...(input.TimeRangeUpperBound !== undefined && {
+      TimeRangeUpperBound: Math.round(
+        input.TimeRangeUpperBound.getTime() / 1000
+      )
+    })
+  };
 };
 
 const serializeAws_json1_0ListContributorInsightsInput = (
   input: ListContributorInsightsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.TableName !== undefined) {
-    bodyParams["TableName"] = input.TableName;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.TableName !== undefined && { TableName: input.TableName })
+  };
 };
 
 const serializeAws_json1_0ListGlobalTablesInput = (
   input: ListGlobalTablesInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ExclusiveStartGlobalTableName !== undefined) {
-    bodyParams["ExclusiveStartGlobalTableName"] =
-      input.ExclusiveStartGlobalTableName;
-  }
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.RegionName !== undefined) {
-    bodyParams["RegionName"] = input.RegionName;
-  }
-  return bodyParams;
+  return {
+    ...(input.ExclusiveStartGlobalTableName !== undefined && {
+      ExclusiveStartGlobalTableName: input.ExclusiveStartGlobalTableName
+    }),
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.RegionName !== undefined && { RegionName: input.RegionName })
+  };
 };
 
 const serializeAws_json1_0ListTablesInput = (
   input: ListTablesInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ExclusiveStartTableName !== undefined) {
-    bodyParams["ExclusiveStartTableName"] = input.ExclusiveStartTableName;
-  }
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  return bodyParams;
+  return {
+    ...(input.ExclusiveStartTableName !== undefined && {
+      ExclusiveStartTableName: input.ExclusiveStartTableName
+    }),
+    ...(input.Limit !== undefined && { Limit: input.Limit })
+  };
 };
 
 const serializeAws_json1_0ListTagsOfResourceInput = (
   input: ListTagsOfResourceInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.ResourceArn !== undefined) {
-    bodyParams["ResourceArn"] = input.ResourceArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.ResourceArn !== undefined && { ResourceArn: input.ResourceArn })
+  };
 };
 
 const serializeAws_json1_0LocalSecondaryIndex = (
   input: LocalSecondaryIndex,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.IndexName !== undefined) {
-    bodyParams["IndexName"] = input.IndexName;
-  }
-  if (input.KeySchema !== undefined) {
-    bodyParams["KeySchema"] = serializeAws_json1_0KeySchema(
-      input.KeySchema,
-      context
-    );
-  }
-  if (input.Projection !== undefined) {
-    bodyParams["Projection"] = serializeAws_json1_0Projection(
-      input.Projection,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.IndexName !== undefined && { IndexName: input.IndexName }),
+    ...(input.KeySchema !== undefined && {
+      KeySchema: serializeAws_json1_0KeySchema(input.KeySchema, context)
+    }),
+    ...(input.Projection !== undefined && {
+      Projection: serializeAws_json1_0Projection(input.Projection, context)
+    })
+  };
 };
 
 const serializeAws_json1_0LocalSecondaryIndexList = (
@@ -6733,147 +6552,126 @@ const serializeAws_json1_0PointInTimeRecoverySpecification = (
   input: PointInTimeRecoverySpecification,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.PointInTimeRecoveryEnabled !== undefined) {
-    bodyParams["PointInTimeRecoveryEnabled"] = input.PointInTimeRecoveryEnabled;
-  }
-  return bodyParams;
+  return {
+    ...(input.PointInTimeRecoveryEnabled !== undefined && {
+      PointInTimeRecoveryEnabled: input.PointInTimeRecoveryEnabled
+    })
+  };
 };
 
 const serializeAws_json1_0Projection = (
   input: Projection,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.NonKeyAttributes !== undefined) {
-    bodyParams[
-      "NonKeyAttributes"
-    ] = serializeAws_json1_0NonKeyAttributeNameList(
-      input.NonKeyAttributes,
-      context
-    );
-  }
-  if (input.ProjectionType !== undefined) {
-    bodyParams["ProjectionType"] = input.ProjectionType;
-  }
-  return bodyParams;
+  return {
+    ...(input.NonKeyAttributes !== undefined && {
+      NonKeyAttributes: serializeAws_json1_0NonKeyAttributeNameList(
+        input.NonKeyAttributes,
+        context
+      )
+    }),
+    ...(input.ProjectionType !== undefined && {
+      ProjectionType: input.ProjectionType
+    })
+  };
 };
 
 const serializeAws_json1_0ProvisionedThroughput = (
   input: ProvisionedThroughput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ReadCapacityUnits !== undefined) {
-    bodyParams["ReadCapacityUnits"] = input.ReadCapacityUnits;
-  }
-  if (input.WriteCapacityUnits !== undefined) {
-    bodyParams["WriteCapacityUnits"] = input.WriteCapacityUnits;
-  }
-  return bodyParams;
+  return {
+    ...(input.ReadCapacityUnits !== undefined && {
+      ReadCapacityUnits: input.ReadCapacityUnits
+    }),
+    ...(input.WriteCapacityUnits !== undefined && {
+      WriteCapacityUnits: input.WriteCapacityUnits
+    })
+  };
 };
 
 const serializeAws_json1_0ProvisionedThroughputOverride = (
   input: ProvisionedThroughputOverride,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ReadCapacityUnits !== undefined) {
-    bodyParams["ReadCapacityUnits"] = input.ReadCapacityUnits;
-  }
-  return bodyParams;
+  return {
+    ...(input.ReadCapacityUnits !== undefined && {
+      ReadCapacityUnits: input.ReadCapacityUnits
+    })
+  };
 };
 
 const serializeAws_json1_0Put = (input: Put, context: __SerdeContext): any => {
-  const bodyParams: any = {};
-  if (input.ConditionExpression !== undefined) {
-    bodyParams["ConditionExpression"] = input.ConditionExpression;
-  }
-  if (input.ExpressionAttributeNames !== undefined) {
-    bodyParams[
-      "ExpressionAttributeNames"
-    ] = serializeAws_json1_0ExpressionAttributeNameMap(
-      input.ExpressionAttributeNames,
-      context
-    );
-  }
-  if (input.ExpressionAttributeValues !== undefined) {
-    bodyParams[
-      "ExpressionAttributeValues"
-    ] = serializeAws_json1_0ExpressionAttributeValueMap(
-      input.ExpressionAttributeValues,
-      context
-    );
-  }
-  if (input.Item !== undefined) {
-    bodyParams["Item"] = serializeAws_json1_0PutItemInputAttributeMap(
-      input.Item,
-      context
-    );
-  }
-  if (input.ReturnValuesOnConditionCheckFailure !== undefined) {
-    bodyParams["ReturnValuesOnConditionCheckFailure"] =
-      input.ReturnValuesOnConditionCheckFailure;
-  }
-  if (input.TableName !== undefined) {
-    bodyParams["TableName"] = input.TableName;
-  }
-  return bodyParams;
+  return {
+    ...(input.ConditionExpression !== undefined && {
+      ConditionExpression: input.ConditionExpression
+    }),
+    ...(input.ExpressionAttributeNames !== undefined && {
+      ExpressionAttributeNames: serializeAws_json1_0ExpressionAttributeNameMap(
+        input.ExpressionAttributeNames,
+        context
+      )
+    }),
+    ...(input.ExpressionAttributeValues !== undefined && {
+      ExpressionAttributeValues: serializeAws_json1_0ExpressionAttributeValueMap(
+        input.ExpressionAttributeValues,
+        context
+      )
+    }),
+    ...(input.Item !== undefined && {
+      Item: serializeAws_json1_0PutItemInputAttributeMap(input.Item, context)
+    }),
+    ...(input.ReturnValuesOnConditionCheckFailure !== undefined && {
+      ReturnValuesOnConditionCheckFailure:
+        input.ReturnValuesOnConditionCheckFailure
+    }),
+    ...(input.TableName !== undefined && { TableName: input.TableName })
+  };
 };
 
 const serializeAws_json1_0PutItemInput = (
   input: PutItemInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ConditionExpression !== undefined) {
-    bodyParams["ConditionExpression"] = input.ConditionExpression;
-  }
-  if (input.ConditionalOperator !== undefined) {
-    bodyParams["ConditionalOperator"] = input.ConditionalOperator;
-  }
-  if (input.Expected !== undefined) {
-    bodyParams["Expected"] = serializeAws_json1_0ExpectedAttributeMap(
-      input.Expected,
-      context
-    );
-  }
-  if (input.ExpressionAttributeNames !== undefined) {
-    bodyParams[
-      "ExpressionAttributeNames"
-    ] = serializeAws_json1_0ExpressionAttributeNameMap(
-      input.ExpressionAttributeNames,
-      context
-    );
-  }
-  if (input.ExpressionAttributeValues !== undefined) {
-    bodyParams[
-      "ExpressionAttributeValues"
-    ] = serializeAws_json1_0ExpressionAttributeValueMap(
-      input.ExpressionAttributeValues,
-      context
-    );
-  }
-  if (input.Item !== undefined) {
-    bodyParams["Item"] = serializeAws_json1_0PutItemInputAttributeMap(
-      input.Item,
-      context
-    );
-  }
-  if (input.ReturnConsumedCapacity !== undefined) {
-    bodyParams["ReturnConsumedCapacity"] = input.ReturnConsumedCapacity;
-  }
-  if (input.ReturnItemCollectionMetrics !== undefined) {
-    bodyParams["ReturnItemCollectionMetrics"] =
-      input.ReturnItemCollectionMetrics;
-  }
-  if (input.ReturnValues !== undefined) {
-    bodyParams["ReturnValues"] = input.ReturnValues;
-  }
-  if (input.TableName !== undefined) {
-    bodyParams["TableName"] = input.TableName;
-  }
-  return bodyParams;
+  return {
+    ...(input.ConditionExpression !== undefined && {
+      ConditionExpression: input.ConditionExpression
+    }),
+    ...(input.ConditionalOperator !== undefined && {
+      ConditionalOperator: input.ConditionalOperator
+    }),
+    ...(input.Expected !== undefined && {
+      Expected: serializeAws_json1_0ExpectedAttributeMap(
+        input.Expected,
+        context
+      )
+    }),
+    ...(input.ExpressionAttributeNames !== undefined && {
+      ExpressionAttributeNames: serializeAws_json1_0ExpressionAttributeNameMap(
+        input.ExpressionAttributeNames,
+        context
+      )
+    }),
+    ...(input.ExpressionAttributeValues !== undefined && {
+      ExpressionAttributeValues: serializeAws_json1_0ExpressionAttributeValueMap(
+        input.ExpressionAttributeValues,
+        context
+      )
+    }),
+    ...(input.Item !== undefined && {
+      Item: serializeAws_json1_0PutItemInputAttributeMap(input.Item, context)
+    }),
+    ...(input.ReturnConsumedCapacity !== undefined && {
+      ReturnConsumedCapacity: input.ReturnConsumedCapacity
+    }),
+    ...(input.ReturnItemCollectionMetrics !== undefined && {
+      ReturnItemCollectionMetrics: input.ReturnItemCollectionMetrics
+    }),
+    ...(input.ReturnValues !== undefined && {
+      ReturnValues: input.ReturnValues
+    }),
+    ...(input.TableName !== undefined && { TableName: input.TableName })
+  };
 };
 
 const serializeAws_json1_0PutItemInputAttributeMap = (
@@ -6890,133 +6688,110 @@ const serializeAws_json1_0PutRequest = (
   input: PutRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Item !== undefined) {
-    bodyParams["Item"] = serializeAws_json1_0PutItemInputAttributeMap(
-      input.Item,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Item !== undefined && {
+      Item: serializeAws_json1_0PutItemInputAttributeMap(input.Item, context)
+    })
+  };
 };
 
 const serializeAws_json1_0QueryInput = (
   input: QueryInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AttributesToGet !== undefined) {
-    bodyParams["AttributesToGet"] = serializeAws_json1_0AttributeNameList(
-      input.AttributesToGet,
-      context
-    );
-  }
-  if (input.ConditionalOperator !== undefined) {
-    bodyParams["ConditionalOperator"] = input.ConditionalOperator;
-  }
-  if (input.ConsistentRead !== undefined) {
-    bodyParams["ConsistentRead"] = input.ConsistentRead;
-  }
-  if (input.ExclusiveStartKey !== undefined) {
-    bodyParams["ExclusiveStartKey"] = serializeAws_json1_0Key(
-      input.ExclusiveStartKey,
-      context
-    );
-  }
-  if (input.ExpressionAttributeNames !== undefined) {
-    bodyParams[
-      "ExpressionAttributeNames"
-    ] = serializeAws_json1_0ExpressionAttributeNameMap(
-      input.ExpressionAttributeNames,
-      context
-    );
-  }
-  if (input.ExpressionAttributeValues !== undefined) {
-    bodyParams[
-      "ExpressionAttributeValues"
-    ] = serializeAws_json1_0ExpressionAttributeValueMap(
-      input.ExpressionAttributeValues,
-      context
-    );
-  }
-  if (input.FilterExpression !== undefined) {
-    bodyParams["FilterExpression"] = input.FilterExpression;
-  }
-  if (input.IndexName !== undefined) {
-    bodyParams["IndexName"] = input.IndexName;
-  }
-  if (input.KeyConditionExpression !== undefined) {
-    bodyParams["KeyConditionExpression"] = input.KeyConditionExpression;
-  }
-  if (input.KeyConditions !== undefined) {
-    bodyParams["KeyConditions"] = serializeAws_json1_0KeyConditions(
-      input.KeyConditions,
-      context
-    );
-  }
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.ProjectionExpression !== undefined) {
-    bodyParams["ProjectionExpression"] = input.ProjectionExpression;
-  }
-  if (input.QueryFilter !== undefined) {
-    bodyParams["QueryFilter"] = serializeAws_json1_0FilterConditionMap(
-      input.QueryFilter,
-      context
-    );
-  }
-  if (input.ReturnConsumedCapacity !== undefined) {
-    bodyParams["ReturnConsumedCapacity"] = input.ReturnConsumedCapacity;
-  }
-  if (input.ScanIndexForward !== undefined) {
-    bodyParams["ScanIndexForward"] = input.ScanIndexForward;
-  }
-  if (input.Select !== undefined) {
-    bodyParams["Select"] = input.Select;
-  }
-  if (input.TableName !== undefined) {
-    bodyParams["TableName"] = input.TableName;
-  }
-  return bodyParams;
+  return {
+    ...(input.AttributesToGet !== undefined && {
+      AttributesToGet: serializeAws_json1_0AttributeNameList(
+        input.AttributesToGet,
+        context
+      )
+    }),
+    ...(input.ConditionalOperator !== undefined && {
+      ConditionalOperator: input.ConditionalOperator
+    }),
+    ...(input.ConsistentRead !== undefined && {
+      ConsistentRead: input.ConsistentRead
+    }),
+    ...(input.ExclusiveStartKey !== undefined && {
+      ExclusiveStartKey: serializeAws_json1_0Key(
+        input.ExclusiveStartKey,
+        context
+      )
+    }),
+    ...(input.ExpressionAttributeNames !== undefined && {
+      ExpressionAttributeNames: serializeAws_json1_0ExpressionAttributeNameMap(
+        input.ExpressionAttributeNames,
+        context
+      )
+    }),
+    ...(input.ExpressionAttributeValues !== undefined && {
+      ExpressionAttributeValues: serializeAws_json1_0ExpressionAttributeValueMap(
+        input.ExpressionAttributeValues,
+        context
+      )
+    }),
+    ...(input.FilterExpression !== undefined && {
+      FilterExpression: input.FilterExpression
+    }),
+    ...(input.IndexName !== undefined && { IndexName: input.IndexName }),
+    ...(input.KeyConditionExpression !== undefined && {
+      KeyConditionExpression: input.KeyConditionExpression
+    }),
+    ...(input.KeyConditions !== undefined && {
+      KeyConditions: serializeAws_json1_0KeyConditions(
+        input.KeyConditions,
+        context
+      )
+    }),
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.ProjectionExpression !== undefined && {
+      ProjectionExpression: input.ProjectionExpression
+    }),
+    ...(input.QueryFilter !== undefined && {
+      QueryFilter: serializeAws_json1_0FilterConditionMap(
+        input.QueryFilter,
+        context
+      )
+    }),
+    ...(input.ReturnConsumedCapacity !== undefined && {
+      ReturnConsumedCapacity: input.ReturnConsumedCapacity
+    }),
+    ...(input.ScanIndexForward !== undefined && {
+      ScanIndexForward: input.ScanIndexForward
+    }),
+    ...(input.Select !== undefined && { Select: input.Select }),
+    ...(input.TableName !== undefined && { TableName: input.TableName })
+  };
 };
 
 const serializeAws_json1_0Replica = (
   input: Replica,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.RegionName !== undefined) {
-    bodyParams["RegionName"] = input.RegionName;
-  }
-  return bodyParams;
+  return {
+    ...(input.RegionName !== undefined && { RegionName: input.RegionName })
+  };
 };
 
 const serializeAws_json1_0ReplicaAutoScalingUpdate = (
   input: ReplicaAutoScalingUpdate,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.RegionName !== undefined) {
-    bodyParams["RegionName"] = input.RegionName;
-  }
-  if (input.ReplicaGlobalSecondaryIndexUpdates !== undefined) {
-    bodyParams[
-      "ReplicaGlobalSecondaryIndexUpdates"
-    ] = serializeAws_json1_0ReplicaGlobalSecondaryIndexAutoScalingUpdateList(
-      input.ReplicaGlobalSecondaryIndexUpdates,
-      context
-    );
-  }
-  if (input.ReplicaProvisionedReadCapacityAutoScalingUpdate !== undefined) {
-    bodyParams[
-      "ReplicaProvisionedReadCapacityAutoScalingUpdate"
-    ] = serializeAws_json1_0AutoScalingSettingsUpdate(
-      input.ReplicaProvisionedReadCapacityAutoScalingUpdate,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.RegionName !== undefined && { RegionName: input.RegionName }),
+    ...(input.ReplicaGlobalSecondaryIndexUpdates !== undefined && {
+      ReplicaGlobalSecondaryIndexUpdates: serializeAws_json1_0ReplicaGlobalSecondaryIndexAutoScalingUpdateList(
+        input.ReplicaGlobalSecondaryIndexUpdates,
+        context
+      )
+    }),
+    ...(input.ReplicaProvisionedReadCapacityAutoScalingUpdate !== undefined && {
+      ReplicaProvisionedReadCapacityAutoScalingUpdate: serializeAws_json1_0AutoScalingSettingsUpdate(
+        input.ReplicaProvisionedReadCapacityAutoScalingUpdate,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_0ReplicaAutoScalingUpdateList = (
@@ -7032,38 +6807,30 @@ const serializeAws_json1_0ReplicaGlobalSecondaryIndex = (
   input: ReplicaGlobalSecondaryIndex,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.IndexName !== undefined) {
-    bodyParams["IndexName"] = input.IndexName;
-  }
-  if (input.ProvisionedThroughputOverride !== undefined) {
-    bodyParams[
-      "ProvisionedThroughputOverride"
-    ] = serializeAws_json1_0ProvisionedThroughputOverride(
-      input.ProvisionedThroughputOverride,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.IndexName !== undefined && { IndexName: input.IndexName }),
+    ...(input.ProvisionedThroughputOverride !== undefined && {
+      ProvisionedThroughputOverride: serializeAws_json1_0ProvisionedThroughputOverride(
+        input.ProvisionedThroughputOverride,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_0ReplicaGlobalSecondaryIndexAutoScalingUpdate = (
   input: ReplicaGlobalSecondaryIndexAutoScalingUpdate,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.IndexName !== undefined) {
-    bodyParams["IndexName"] = input.IndexName;
-  }
-  if (input.ProvisionedReadCapacityAutoScalingUpdate !== undefined) {
-    bodyParams[
-      "ProvisionedReadCapacityAutoScalingUpdate"
-    ] = serializeAws_json1_0AutoScalingSettingsUpdate(
-      input.ProvisionedReadCapacityAutoScalingUpdate,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.IndexName !== undefined && { IndexName: input.IndexName }),
+    ...(input.ProvisionedReadCapacityAutoScalingUpdate !== undefined && {
+      ProvisionedReadCapacityAutoScalingUpdate: serializeAws_json1_0AutoScalingSettingsUpdate(
+        input.ProvisionedReadCapacityAutoScalingUpdate,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_0ReplicaGlobalSecondaryIndexAutoScalingUpdateList = (
@@ -7091,23 +6858,19 @@ const serializeAws_json1_0ReplicaGlobalSecondaryIndexSettingsUpdate = (
   input: ReplicaGlobalSecondaryIndexSettingsUpdate,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.IndexName !== undefined) {
-    bodyParams["IndexName"] = input.IndexName;
-  }
-  if (input.ProvisionedReadCapacityAutoScalingSettingsUpdate !== undefined) {
-    bodyParams[
-      "ProvisionedReadCapacityAutoScalingSettingsUpdate"
-    ] = serializeAws_json1_0AutoScalingSettingsUpdate(
-      input.ProvisionedReadCapacityAutoScalingSettingsUpdate,
-      context
-    );
-  }
-  if (input.ProvisionedReadCapacityUnits !== undefined) {
-    bodyParams["ProvisionedReadCapacityUnits"] =
-      input.ProvisionedReadCapacityUnits;
-  }
-  return bodyParams;
+  return {
+    ...(input.IndexName !== undefined && { IndexName: input.IndexName }),
+    ...(input.ProvisionedReadCapacityAutoScalingSettingsUpdate !==
+      undefined && {
+      ProvisionedReadCapacityAutoScalingSettingsUpdate: serializeAws_json1_0AutoScalingSettingsUpdate(
+        input.ProvisionedReadCapacityAutoScalingSettingsUpdate,
+        context
+      )
+    }),
+    ...(input.ProvisionedReadCapacityUnits !== undefined && {
+      ProvisionedReadCapacityUnits: input.ProvisionedReadCapacityUnits
+    })
+  };
 };
 
 const serializeAws_json1_0ReplicaGlobalSecondaryIndexSettingsUpdateList = (
@@ -7133,33 +6896,26 @@ const serializeAws_json1_0ReplicaSettingsUpdate = (
   input: ReplicaSettingsUpdate,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.RegionName !== undefined) {
-    bodyParams["RegionName"] = input.RegionName;
-  }
-  if (input.ReplicaGlobalSecondaryIndexSettingsUpdate !== undefined) {
-    bodyParams[
-      "ReplicaGlobalSecondaryIndexSettingsUpdate"
-    ] = serializeAws_json1_0ReplicaGlobalSecondaryIndexSettingsUpdateList(
-      input.ReplicaGlobalSecondaryIndexSettingsUpdate,
-      context
-    );
-  }
-  if (
-    input.ReplicaProvisionedReadCapacityAutoScalingSettingsUpdate !== undefined
-  ) {
-    bodyParams[
-      "ReplicaProvisionedReadCapacityAutoScalingSettingsUpdate"
-    ] = serializeAws_json1_0AutoScalingSettingsUpdate(
-      input.ReplicaProvisionedReadCapacityAutoScalingSettingsUpdate,
-      context
-    );
-  }
-  if (input.ReplicaProvisionedReadCapacityUnits !== undefined) {
-    bodyParams["ReplicaProvisionedReadCapacityUnits"] =
-      input.ReplicaProvisionedReadCapacityUnits;
-  }
-  return bodyParams;
+  return {
+    ...(input.RegionName !== undefined && { RegionName: input.RegionName }),
+    ...(input.ReplicaGlobalSecondaryIndexSettingsUpdate !== undefined && {
+      ReplicaGlobalSecondaryIndexSettingsUpdate: serializeAws_json1_0ReplicaGlobalSecondaryIndexSettingsUpdateList(
+        input.ReplicaGlobalSecondaryIndexSettingsUpdate,
+        context
+      )
+    }),
+    ...(input.ReplicaProvisionedReadCapacityAutoScalingSettingsUpdate !==
+      undefined && {
+      ReplicaProvisionedReadCapacityAutoScalingSettingsUpdate: serializeAws_json1_0AutoScalingSettingsUpdate(
+        input.ReplicaProvisionedReadCapacityAutoScalingSettingsUpdate,
+        context
+      )
+    }),
+    ...(input.ReplicaProvisionedReadCapacityUnits !== undefined && {
+      ReplicaProvisionedReadCapacityUnits:
+        input.ReplicaProvisionedReadCapacityUnits
+    })
+  };
 };
 
 const serializeAws_json1_0ReplicaSettingsUpdateList = (
@@ -7175,20 +6931,14 @@ const serializeAws_json1_0ReplicaUpdate = (
   input: ReplicaUpdate,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Create !== undefined) {
-    bodyParams["Create"] = serializeAws_json1_0CreateReplicaAction(
-      input.Create,
-      context
-    );
-  }
-  if (input.Delete !== undefined) {
-    bodyParams["Delete"] = serializeAws_json1_0DeleteReplicaAction(
-      input.Delete,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Create !== undefined && {
+      Create: serializeAws_json1_0CreateReplicaAction(input.Create, context)
+    }),
+    ...(input.Delete !== undefined && {
+      Delete: serializeAws_json1_0DeleteReplicaAction(input.Delete, context)
+    })
+  };
 };
 
 const serializeAws_json1_0ReplicaUpdateList = (
@@ -7202,32 +6952,26 @@ const serializeAws_json1_0ReplicationGroupUpdate = (
   input: ReplicationGroupUpdate,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Create !== undefined) {
-    bodyParams[
-      "Create"
-    ] = serializeAws_json1_0CreateReplicationGroupMemberAction(
-      input.Create,
-      context
-    );
-  }
-  if (input.Delete !== undefined) {
-    bodyParams[
-      "Delete"
-    ] = serializeAws_json1_0DeleteReplicationGroupMemberAction(
-      input.Delete,
-      context
-    );
-  }
-  if (input.Update !== undefined) {
-    bodyParams[
-      "Update"
-    ] = serializeAws_json1_0UpdateReplicationGroupMemberAction(
-      input.Update,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Create !== undefined && {
+      Create: serializeAws_json1_0CreateReplicationGroupMemberAction(
+        input.Create,
+        context
+      )
+    }),
+    ...(input.Delete !== undefined && {
+      Delete: serializeAws_json1_0DeleteReplicationGroupMemberAction(
+        input.Delete,
+        context
+      )
+    }),
+    ...(input.Update !== undefined && {
+      Update: serializeAws_json1_0UpdateReplicationGroupMemberAction(
+        input.Update,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_0ReplicationGroupUpdateList = (
@@ -7243,196 +6987,162 @@ const serializeAws_json1_0RestoreTableFromBackupInput = (
   input: RestoreTableFromBackupInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.BackupArn !== undefined) {
-    bodyParams["BackupArn"] = input.BackupArn;
-  }
-  if (input.BillingModeOverride !== undefined) {
-    bodyParams["BillingModeOverride"] = input.BillingModeOverride;
-  }
-  if (input.GlobalSecondaryIndexOverride !== undefined) {
-    bodyParams[
-      "GlobalSecondaryIndexOverride"
-    ] = serializeAws_json1_0GlobalSecondaryIndexList(
-      input.GlobalSecondaryIndexOverride,
-      context
-    );
-  }
-  if (input.LocalSecondaryIndexOverride !== undefined) {
-    bodyParams[
-      "LocalSecondaryIndexOverride"
-    ] = serializeAws_json1_0LocalSecondaryIndexList(
-      input.LocalSecondaryIndexOverride,
-      context
-    );
-  }
-  if (input.ProvisionedThroughputOverride !== undefined) {
-    bodyParams[
-      "ProvisionedThroughputOverride"
-    ] = serializeAws_json1_0ProvisionedThroughput(
-      input.ProvisionedThroughputOverride,
-      context
-    );
-  }
-  if (input.TargetTableName !== undefined) {
-    bodyParams["TargetTableName"] = input.TargetTableName;
-  }
-  return bodyParams;
+  return {
+    ...(input.BackupArn !== undefined && { BackupArn: input.BackupArn }),
+    ...(input.BillingModeOverride !== undefined && {
+      BillingModeOverride: input.BillingModeOverride
+    }),
+    ...(input.GlobalSecondaryIndexOverride !== undefined && {
+      GlobalSecondaryIndexOverride: serializeAws_json1_0GlobalSecondaryIndexList(
+        input.GlobalSecondaryIndexOverride,
+        context
+      )
+    }),
+    ...(input.LocalSecondaryIndexOverride !== undefined && {
+      LocalSecondaryIndexOverride: serializeAws_json1_0LocalSecondaryIndexList(
+        input.LocalSecondaryIndexOverride,
+        context
+      )
+    }),
+    ...(input.ProvisionedThroughputOverride !== undefined && {
+      ProvisionedThroughputOverride: serializeAws_json1_0ProvisionedThroughput(
+        input.ProvisionedThroughputOverride,
+        context
+      )
+    }),
+    ...(input.TargetTableName !== undefined && {
+      TargetTableName: input.TargetTableName
+    })
+  };
 };
 
 const serializeAws_json1_0RestoreTableToPointInTimeInput = (
   input: RestoreTableToPointInTimeInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.BillingModeOverride !== undefined) {
-    bodyParams["BillingModeOverride"] = input.BillingModeOverride;
-  }
-  if (input.GlobalSecondaryIndexOverride !== undefined) {
-    bodyParams[
-      "GlobalSecondaryIndexOverride"
-    ] = serializeAws_json1_0GlobalSecondaryIndexList(
-      input.GlobalSecondaryIndexOverride,
-      context
-    );
-  }
-  if (input.LocalSecondaryIndexOverride !== undefined) {
-    bodyParams[
-      "LocalSecondaryIndexOverride"
-    ] = serializeAws_json1_0LocalSecondaryIndexList(
-      input.LocalSecondaryIndexOverride,
-      context
-    );
-  }
-  if (input.ProvisionedThroughputOverride !== undefined) {
-    bodyParams[
-      "ProvisionedThroughputOverride"
-    ] = serializeAws_json1_0ProvisionedThroughput(
-      input.ProvisionedThroughputOverride,
-      context
-    );
-  }
-  if (input.RestoreDateTime !== undefined) {
-    bodyParams["RestoreDateTime"] = Math.round(
-      input.RestoreDateTime.getTime() / 1000
-    );
-  }
-  if (input.SourceTableName !== undefined) {
-    bodyParams["SourceTableName"] = input.SourceTableName;
-  }
-  if (input.TargetTableName !== undefined) {
-    bodyParams["TargetTableName"] = input.TargetTableName;
-  }
-  if (input.UseLatestRestorableTime !== undefined) {
-    bodyParams["UseLatestRestorableTime"] = input.UseLatestRestorableTime;
-  }
-  return bodyParams;
+  return {
+    ...(input.BillingModeOverride !== undefined && {
+      BillingModeOverride: input.BillingModeOverride
+    }),
+    ...(input.GlobalSecondaryIndexOverride !== undefined && {
+      GlobalSecondaryIndexOverride: serializeAws_json1_0GlobalSecondaryIndexList(
+        input.GlobalSecondaryIndexOverride,
+        context
+      )
+    }),
+    ...(input.LocalSecondaryIndexOverride !== undefined && {
+      LocalSecondaryIndexOverride: serializeAws_json1_0LocalSecondaryIndexList(
+        input.LocalSecondaryIndexOverride,
+        context
+      )
+    }),
+    ...(input.ProvisionedThroughputOverride !== undefined && {
+      ProvisionedThroughputOverride: serializeAws_json1_0ProvisionedThroughput(
+        input.ProvisionedThroughputOverride,
+        context
+      )
+    }),
+    ...(input.RestoreDateTime !== undefined && {
+      RestoreDateTime: Math.round(input.RestoreDateTime.getTime() / 1000)
+    }),
+    ...(input.SourceTableName !== undefined && {
+      SourceTableName: input.SourceTableName
+    }),
+    ...(input.TargetTableName !== undefined && {
+      TargetTableName: input.TargetTableName
+    }),
+    ...(input.UseLatestRestorableTime !== undefined && {
+      UseLatestRestorableTime: input.UseLatestRestorableTime
+    })
+  };
 };
 
 const serializeAws_json1_0SSESpecification = (
   input: SSESpecification,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Enabled !== undefined) {
-    bodyParams["Enabled"] = input.Enabled;
-  }
-  if (input.KMSMasterKeyId !== undefined) {
-    bodyParams["KMSMasterKeyId"] = input.KMSMasterKeyId;
-  }
-  if (input.SSEType !== undefined) {
-    bodyParams["SSEType"] = input.SSEType;
-  }
-  return bodyParams;
+  return {
+    ...(input.Enabled !== undefined && { Enabled: input.Enabled }),
+    ...(input.KMSMasterKeyId !== undefined && {
+      KMSMasterKeyId: input.KMSMasterKeyId
+    }),
+    ...(input.SSEType !== undefined && { SSEType: input.SSEType })
+  };
 };
 
 const serializeAws_json1_0ScanInput = (
   input: ScanInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AttributesToGet !== undefined) {
-    bodyParams["AttributesToGet"] = serializeAws_json1_0AttributeNameList(
-      input.AttributesToGet,
-      context
-    );
-  }
-  if (input.ConditionalOperator !== undefined) {
-    bodyParams["ConditionalOperator"] = input.ConditionalOperator;
-  }
-  if (input.ConsistentRead !== undefined) {
-    bodyParams["ConsistentRead"] = input.ConsistentRead;
-  }
-  if (input.ExclusiveStartKey !== undefined) {
-    bodyParams["ExclusiveStartKey"] = serializeAws_json1_0Key(
-      input.ExclusiveStartKey,
-      context
-    );
-  }
-  if (input.ExpressionAttributeNames !== undefined) {
-    bodyParams[
-      "ExpressionAttributeNames"
-    ] = serializeAws_json1_0ExpressionAttributeNameMap(
-      input.ExpressionAttributeNames,
-      context
-    );
-  }
-  if (input.ExpressionAttributeValues !== undefined) {
-    bodyParams[
-      "ExpressionAttributeValues"
-    ] = serializeAws_json1_0ExpressionAttributeValueMap(
-      input.ExpressionAttributeValues,
-      context
-    );
-  }
-  if (input.FilterExpression !== undefined) {
-    bodyParams["FilterExpression"] = input.FilterExpression;
-  }
-  if (input.IndexName !== undefined) {
-    bodyParams["IndexName"] = input.IndexName;
-  }
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.ProjectionExpression !== undefined) {
-    bodyParams["ProjectionExpression"] = input.ProjectionExpression;
-  }
-  if (input.ReturnConsumedCapacity !== undefined) {
-    bodyParams["ReturnConsumedCapacity"] = input.ReturnConsumedCapacity;
-  }
-  if (input.ScanFilter !== undefined) {
-    bodyParams["ScanFilter"] = serializeAws_json1_0FilterConditionMap(
-      input.ScanFilter,
-      context
-    );
-  }
-  if (input.Segment !== undefined) {
-    bodyParams["Segment"] = input.Segment;
-  }
-  if (input.Select !== undefined) {
-    bodyParams["Select"] = input.Select;
-  }
-  if (input.TableName !== undefined) {
-    bodyParams["TableName"] = input.TableName;
-  }
-  if (input.TotalSegments !== undefined) {
-    bodyParams["TotalSegments"] = input.TotalSegments;
-  }
-  return bodyParams;
+  return {
+    ...(input.AttributesToGet !== undefined && {
+      AttributesToGet: serializeAws_json1_0AttributeNameList(
+        input.AttributesToGet,
+        context
+      )
+    }),
+    ...(input.ConditionalOperator !== undefined && {
+      ConditionalOperator: input.ConditionalOperator
+    }),
+    ...(input.ConsistentRead !== undefined && {
+      ConsistentRead: input.ConsistentRead
+    }),
+    ...(input.ExclusiveStartKey !== undefined && {
+      ExclusiveStartKey: serializeAws_json1_0Key(
+        input.ExclusiveStartKey,
+        context
+      )
+    }),
+    ...(input.ExpressionAttributeNames !== undefined && {
+      ExpressionAttributeNames: serializeAws_json1_0ExpressionAttributeNameMap(
+        input.ExpressionAttributeNames,
+        context
+      )
+    }),
+    ...(input.ExpressionAttributeValues !== undefined && {
+      ExpressionAttributeValues: serializeAws_json1_0ExpressionAttributeValueMap(
+        input.ExpressionAttributeValues,
+        context
+      )
+    }),
+    ...(input.FilterExpression !== undefined && {
+      FilterExpression: input.FilterExpression
+    }),
+    ...(input.IndexName !== undefined && { IndexName: input.IndexName }),
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.ProjectionExpression !== undefined && {
+      ProjectionExpression: input.ProjectionExpression
+    }),
+    ...(input.ReturnConsumedCapacity !== undefined && {
+      ReturnConsumedCapacity: input.ReturnConsumedCapacity
+    }),
+    ...(input.ScanFilter !== undefined && {
+      ScanFilter: serializeAws_json1_0FilterConditionMap(
+        input.ScanFilter,
+        context
+      )
+    }),
+    ...(input.Segment !== undefined && { Segment: input.Segment }),
+    ...(input.Select !== undefined && { Select: input.Select }),
+    ...(input.TableName !== undefined && { TableName: input.TableName }),
+    ...(input.TotalSegments !== undefined && {
+      TotalSegments: input.TotalSegments
+    })
+  };
 };
 
 const serializeAws_json1_0StreamSpecification = (
   input: StreamSpecification,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.StreamEnabled !== undefined) {
-    bodyParams["StreamEnabled"] = input.StreamEnabled;
-  }
-  if (input.StreamViewType !== undefined) {
-    bodyParams["StreamViewType"] = input.StreamViewType;
-  }
-  return bodyParams;
+  return {
+    ...(input.StreamEnabled !== undefined && {
+      StreamEnabled: input.StreamEnabled
+    }),
+    ...(input.StreamViewType !== undefined && {
+      StreamViewType: input.StreamViewType
+    })
+  };
 };
 
 const serializeAws_json1_0StringSetAttributeValue = (
@@ -7443,14 +7153,10 @@ const serializeAws_json1_0StringSetAttributeValue = (
 };
 
 const serializeAws_json1_0Tag = (input: Tag, context: __SerdeContext): any => {
-  const bodyParams: any = {};
-  if (input.Key !== undefined) {
-    bodyParams["Key"] = input.Key;
-  }
-  if (input.Value !== undefined) {
-    bodyParams["Value"] = input.Value;
-  }
-  return bodyParams;
+  return {
+    ...(input.Key !== undefined && { Key: input.Key }),
+    ...(input.Value !== undefined && { Value: input.Value })
+  };
 };
 
 const serializeAws_json1_0TagKeyList = (
@@ -7471,39 +7177,35 @@ const serializeAws_json1_0TagResourceInput = (
   input: TagResourceInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceArn !== undefined) {
-    bodyParams["ResourceArn"] = input.ResourceArn;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_0TagList(input.Tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceArn !== undefined && { ResourceArn: input.ResourceArn }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_0TagList(input.Tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_0TimeToLiveSpecification = (
   input: TimeToLiveSpecification,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AttributeName !== undefined) {
-    bodyParams["AttributeName"] = input.AttributeName;
-  }
-  if (input.Enabled !== undefined) {
-    bodyParams["Enabled"] = input.Enabled;
-  }
-  return bodyParams;
+  return {
+    ...(input.AttributeName !== undefined && {
+      AttributeName: input.AttributeName
+    }),
+    ...(input.Enabled !== undefined && { Enabled: input.Enabled })
+  };
 };
 
 const serializeAws_json1_0TransactGetItem = (
   input: TransactGetItem,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Get !== undefined) {
-    bodyParams["Get"] = serializeAws_json1_0Get(input.Get, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.Get !== undefined && {
+      Get: serializeAws_json1_0Get(input.Get, context)
+    })
+  };
 };
 
 const serializeAws_json1_0TransactGetItemList = (
@@ -7519,40 +7221,40 @@ const serializeAws_json1_0TransactGetItemsInput = (
   input: TransactGetItemsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ReturnConsumedCapacity !== undefined) {
-    bodyParams["ReturnConsumedCapacity"] = input.ReturnConsumedCapacity;
-  }
-  if (input.TransactItems !== undefined) {
-    bodyParams["TransactItems"] = serializeAws_json1_0TransactGetItemList(
-      input.TransactItems,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ReturnConsumedCapacity !== undefined && {
+      ReturnConsumedCapacity: input.ReturnConsumedCapacity
+    }),
+    ...(input.TransactItems !== undefined && {
+      TransactItems: serializeAws_json1_0TransactGetItemList(
+        input.TransactItems,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_0TransactWriteItem = (
   input: TransactWriteItem,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ConditionCheck !== undefined) {
-    bodyParams["ConditionCheck"] = serializeAws_json1_0ConditionCheck(
-      input.ConditionCheck,
-      context
-    );
-  }
-  if (input.Delete !== undefined) {
-    bodyParams["Delete"] = serializeAws_json1_0Delete(input.Delete, context);
-  }
-  if (input.Put !== undefined) {
-    bodyParams["Put"] = serializeAws_json1_0Put(input.Put, context);
-  }
-  if (input.Update !== undefined) {
-    bodyParams["Update"] = serializeAws_json1_0Update(input.Update, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.ConditionCheck !== undefined && {
+      ConditionCheck: serializeAws_json1_0ConditionCheck(
+        input.ConditionCheck,
+        context
+      )
+    }),
+    ...(input.Delete !== undefined && {
+      Delete: serializeAws_json1_0Delete(input.Delete, context)
+    }),
+    ...(input.Put !== undefined && {
+      Put: serializeAws_json1_0Put(input.Put, context)
+    }),
+    ...(input.Update !== undefined && {
+      Update: serializeAws_json1_0Update(input.Update, context)
+    })
+  };
 };
 
 const serializeAws_json1_0TransactWriteItemList = (
@@ -7568,424 +7270,347 @@ const serializeAws_json1_0TransactWriteItemsInput = (
   input: TransactWriteItemsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ClientRequestToken === undefined) {
-    input.ClientRequestToken = generateIdempotencyToken();
-  }
-  if (input.ClientRequestToken !== undefined) {
-    bodyParams["ClientRequestToken"] = input.ClientRequestToken;
-  }
-  if (input.ReturnConsumedCapacity !== undefined) {
-    bodyParams["ReturnConsumedCapacity"] = input.ReturnConsumedCapacity;
-  }
-  if (input.ReturnItemCollectionMetrics !== undefined) {
-    bodyParams["ReturnItemCollectionMetrics"] =
-      input.ReturnItemCollectionMetrics;
-  }
-  if (input.TransactItems !== undefined) {
-    bodyParams["TransactItems"] = serializeAws_json1_0TransactWriteItemList(
-      input.TransactItems,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ClientRequestToken: input.ClientRequestToken ?? generateIdempotencyToken(),
+    ...(input.ReturnConsumedCapacity !== undefined && {
+      ReturnConsumedCapacity: input.ReturnConsumedCapacity
+    }),
+    ...(input.ReturnItemCollectionMetrics !== undefined && {
+      ReturnItemCollectionMetrics: input.ReturnItemCollectionMetrics
+    }),
+    ...(input.TransactItems !== undefined && {
+      TransactItems: serializeAws_json1_0TransactWriteItemList(
+        input.TransactItems,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_0UntagResourceInput = (
   input: UntagResourceInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceArn !== undefined) {
-    bodyParams["ResourceArn"] = input.ResourceArn;
-  }
-  if (input.TagKeys !== undefined) {
-    bodyParams["TagKeys"] = serializeAws_json1_0TagKeyList(
-      input.TagKeys,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceArn !== undefined && { ResourceArn: input.ResourceArn }),
+    ...(input.TagKeys !== undefined && {
+      TagKeys: serializeAws_json1_0TagKeyList(input.TagKeys, context)
+    })
+  };
 };
 
 const serializeAws_json1_0Update = (
   input: Update,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ConditionExpression !== undefined) {
-    bodyParams["ConditionExpression"] = input.ConditionExpression;
-  }
-  if (input.ExpressionAttributeNames !== undefined) {
-    bodyParams[
-      "ExpressionAttributeNames"
-    ] = serializeAws_json1_0ExpressionAttributeNameMap(
-      input.ExpressionAttributeNames,
-      context
-    );
-  }
-  if (input.ExpressionAttributeValues !== undefined) {
-    bodyParams[
-      "ExpressionAttributeValues"
-    ] = serializeAws_json1_0ExpressionAttributeValueMap(
-      input.ExpressionAttributeValues,
-      context
-    );
-  }
-  if (input.Key !== undefined) {
-    bodyParams["Key"] = serializeAws_json1_0Key(input.Key, context);
-  }
-  if (input.ReturnValuesOnConditionCheckFailure !== undefined) {
-    bodyParams["ReturnValuesOnConditionCheckFailure"] =
-      input.ReturnValuesOnConditionCheckFailure;
-  }
-  if (input.TableName !== undefined) {
-    bodyParams["TableName"] = input.TableName;
-  }
-  if (input.UpdateExpression !== undefined) {
-    bodyParams["UpdateExpression"] = input.UpdateExpression;
-  }
-  return bodyParams;
+  return {
+    ...(input.ConditionExpression !== undefined && {
+      ConditionExpression: input.ConditionExpression
+    }),
+    ...(input.ExpressionAttributeNames !== undefined && {
+      ExpressionAttributeNames: serializeAws_json1_0ExpressionAttributeNameMap(
+        input.ExpressionAttributeNames,
+        context
+      )
+    }),
+    ...(input.ExpressionAttributeValues !== undefined && {
+      ExpressionAttributeValues: serializeAws_json1_0ExpressionAttributeValueMap(
+        input.ExpressionAttributeValues,
+        context
+      )
+    }),
+    ...(input.Key !== undefined && {
+      Key: serializeAws_json1_0Key(input.Key, context)
+    }),
+    ...(input.ReturnValuesOnConditionCheckFailure !== undefined && {
+      ReturnValuesOnConditionCheckFailure:
+        input.ReturnValuesOnConditionCheckFailure
+    }),
+    ...(input.TableName !== undefined && { TableName: input.TableName }),
+    ...(input.UpdateExpression !== undefined && {
+      UpdateExpression: input.UpdateExpression
+    })
+  };
 };
 
 const serializeAws_json1_0UpdateContinuousBackupsInput = (
   input: UpdateContinuousBackupsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.PointInTimeRecoverySpecification !== undefined) {
-    bodyParams[
-      "PointInTimeRecoverySpecification"
-    ] = serializeAws_json1_0PointInTimeRecoverySpecification(
-      input.PointInTimeRecoverySpecification,
-      context
-    );
-  }
-  if (input.TableName !== undefined) {
-    bodyParams["TableName"] = input.TableName;
-  }
-  return bodyParams;
+  return {
+    ...(input.PointInTimeRecoverySpecification !== undefined && {
+      PointInTimeRecoverySpecification: serializeAws_json1_0PointInTimeRecoverySpecification(
+        input.PointInTimeRecoverySpecification,
+        context
+      )
+    }),
+    ...(input.TableName !== undefined && { TableName: input.TableName })
+  };
 };
 
 const serializeAws_json1_0UpdateContributorInsightsInput = (
   input: UpdateContributorInsightsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ContributorInsightsAction !== undefined) {
-    bodyParams["ContributorInsightsAction"] = input.ContributorInsightsAction;
-  }
-  if (input.IndexName !== undefined) {
-    bodyParams["IndexName"] = input.IndexName;
-  }
-  if (input.TableName !== undefined) {
-    bodyParams["TableName"] = input.TableName;
-  }
-  return bodyParams;
+  return {
+    ...(input.ContributorInsightsAction !== undefined && {
+      ContributorInsightsAction: input.ContributorInsightsAction
+    }),
+    ...(input.IndexName !== undefined && { IndexName: input.IndexName }),
+    ...(input.TableName !== undefined && { TableName: input.TableName })
+  };
 };
 
 const serializeAws_json1_0UpdateGlobalSecondaryIndexAction = (
   input: UpdateGlobalSecondaryIndexAction,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.IndexName !== undefined) {
-    bodyParams["IndexName"] = input.IndexName;
-  }
-  if (input.ProvisionedThroughput !== undefined) {
-    bodyParams[
-      "ProvisionedThroughput"
-    ] = serializeAws_json1_0ProvisionedThroughput(
-      input.ProvisionedThroughput,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.IndexName !== undefined && { IndexName: input.IndexName }),
+    ...(input.ProvisionedThroughput !== undefined && {
+      ProvisionedThroughput: serializeAws_json1_0ProvisionedThroughput(
+        input.ProvisionedThroughput,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_0UpdateGlobalTableInput = (
   input: UpdateGlobalTableInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.GlobalTableName !== undefined) {
-    bodyParams["GlobalTableName"] = input.GlobalTableName;
-  }
-  if (input.ReplicaUpdates !== undefined) {
-    bodyParams["ReplicaUpdates"] = serializeAws_json1_0ReplicaUpdateList(
-      input.ReplicaUpdates,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.GlobalTableName !== undefined && {
+      GlobalTableName: input.GlobalTableName
+    }),
+    ...(input.ReplicaUpdates !== undefined && {
+      ReplicaUpdates: serializeAws_json1_0ReplicaUpdateList(
+        input.ReplicaUpdates,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_0UpdateGlobalTableSettingsInput = (
   input: UpdateGlobalTableSettingsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.GlobalTableBillingMode !== undefined) {
-    bodyParams["GlobalTableBillingMode"] = input.GlobalTableBillingMode;
-  }
-  if (input.GlobalTableGlobalSecondaryIndexSettingsUpdate !== undefined) {
-    bodyParams[
-      "GlobalTableGlobalSecondaryIndexSettingsUpdate"
-    ] = serializeAws_json1_0GlobalTableGlobalSecondaryIndexSettingsUpdateList(
-      input.GlobalTableGlobalSecondaryIndexSettingsUpdate,
-      context
-    );
-  }
-  if (input.GlobalTableName !== undefined) {
-    bodyParams["GlobalTableName"] = input.GlobalTableName;
-  }
-  if (
-    input.GlobalTableProvisionedWriteCapacityAutoScalingSettingsUpdate !==
-    undefined
-  ) {
-    bodyParams[
-      "GlobalTableProvisionedWriteCapacityAutoScalingSettingsUpdate"
-    ] = serializeAws_json1_0AutoScalingSettingsUpdate(
-      input.GlobalTableProvisionedWriteCapacityAutoScalingSettingsUpdate,
-      context
-    );
-  }
-  if (input.GlobalTableProvisionedWriteCapacityUnits !== undefined) {
-    bodyParams["GlobalTableProvisionedWriteCapacityUnits"] =
-      input.GlobalTableProvisionedWriteCapacityUnits;
-  }
-  if (input.ReplicaSettingsUpdate !== undefined) {
-    bodyParams[
-      "ReplicaSettingsUpdate"
-    ] = serializeAws_json1_0ReplicaSettingsUpdateList(
-      input.ReplicaSettingsUpdate,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.GlobalTableBillingMode !== undefined && {
+      GlobalTableBillingMode: input.GlobalTableBillingMode
+    }),
+    ...(input.GlobalTableGlobalSecondaryIndexSettingsUpdate !== undefined && {
+      GlobalTableGlobalSecondaryIndexSettingsUpdate: serializeAws_json1_0GlobalTableGlobalSecondaryIndexSettingsUpdateList(
+        input.GlobalTableGlobalSecondaryIndexSettingsUpdate,
+        context
+      )
+    }),
+    ...(input.GlobalTableName !== undefined && {
+      GlobalTableName: input.GlobalTableName
+    }),
+    ...(input.GlobalTableProvisionedWriteCapacityAutoScalingSettingsUpdate !==
+      undefined && {
+      GlobalTableProvisionedWriteCapacityAutoScalingSettingsUpdate: serializeAws_json1_0AutoScalingSettingsUpdate(
+        input.GlobalTableProvisionedWriteCapacityAutoScalingSettingsUpdate,
+        context
+      )
+    }),
+    ...(input.GlobalTableProvisionedWriteCapacityUnits !== undefined && {
+      GlobalTableProvisionedWriteCapacityUnits:
+        input.GlobalTableProvisionedWriteCapacityUnits
+    }),
+    ...(input.ReplicaSettingsUpdate !== undefined && {
+      ReplicaSettingsUpdate: serializeAws_json1_0ReplicaSettingsUpdateList(
+        input.ReplicaSettingsUpdate,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_0UpdateItemInput = (
   input: UpdateItemInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AttributeUpdates !== undefined) {
-    bodyParams["AttributeUpdates"] = serializeAws_json1_0AttributeUpdates(
-      input.AttributeUpdates,
-      context
-    );
-  }
-  if (input.ConditionExpression !== undefined) {
-    bodyParams["ConditionExpression"] = input.ConditionExpression;
-  }
-  if (input.ConditionalOperator !== undefined) {
-    bodyParams["ConditionalOperator"] = input.ConditionalOperator;
-  }
-  if (input.Expected !== undefined) {
-    bodyParams["Expected"] = serializeAws_json1_0ExpectedAttributeMap(
-      input.Expected,
-      context
-    );
-  }
-  if (input.ExpressionAttributeNames !== undefined) {
-    bodyParams[
-      "ExpressionAttributeNames"
-    ] = serializeAws_json1_0ExpressionAttributeNameMap(
-      input.ExpressionAttributeNames,
-      context
-    );
-  }
-  if (input.ExpressionAttributeValues !== undefined) {
-    bodyParams[
-      "ExpressionAttributeValues"
-    ] = serializeAws_json1_0ExpressionAttributeValueMap(
-      input.ExpressionAttributeValues,
-      context
-    );
-  }
-  if (input.Key !== undefined) {
-    bodyParams["Key"] = serializeAws_json1_0Key(input.Key, context);
-  }
-  if (input.ReturnConsumedCapacity !== undefined) {
-    bodyParams["ReturnConsumedCapacity"] = input.ReturnConsumedCapacity;
-  }
-  if (input.ReturnItemCollectionMetrics !== undefined) {
-    bodyParams["ReturnItemCollectionMetrics"] =
-      input.ReturnItemCollectionMetrics;
-  }
-  if (input.ReturnValues !== undefined) {
-    bodyParams["ReturnValues"] = input.ReturnValues;
-  }
-  if (input.TableName !== undefined) {
-    bodyParams["TableName"] = input.TableName;
-  }
-  if (input.UpdateExpression !== undefined) {
-    bodyParams["UpdateExpression"] = input.UpdateExpression;
-  }
-  return bodyParams;
+  return {
+    ...(input.AttributeUpdates !== undefined && {
+      AttributeUpdates: serializeAws_json1_0AttributeUpdates(
+        input.AttributeUpdates,
+        context
+      )
+    }),
+    ...(input.ConditionExpression !== undefined && {
+      ConditionExpression: input.ConditionExpression
+    }),
+    ...(input.ConditionalOperator !== undefined && {
+      ConditionalOperator: input.ConditionalOperator
+    }),
+    ...(input.Expected !== undefined && {
+      Expected: serializeAws_json1_0ExpectedAttributeMap(
+        input.Expected,
+        context
+      )
+    }),
+    ...(input.ExpressionAttributeNames !== undefined && {
+      ExpressionAttributeNames: serializeAws_json1_0ExpressionAttributeNameMap(
+        input.ExpressionAttributeNames,
+        context
+      )
+    }),
+    ...(input.ExpressionAttributeValues !== undefined && {
+      ExpressionAttributeValues: serializeAws_json1_0ExpressionAttributeValueMap(
+        input.ExpressionAttributeValues,
+        context
+      )
+    }),
+    ...(input.Key !== undefined && {
+      Key: serializeAws_json1_0Key(input.Key, context)
+    }),
+    ...(input.ReturnConsumedCapacity !== undefined && {
+      ReturnConsumedCapacity: input.ReturnConsumedCapacity
+    }),
+    ...(input.ReturnItemCollectionMetrics !== undefined && {
+      ReturnItemCollectionMetrics: input.ReturnItemCollectionMetrics
+    }),
+    ...(input.ReturnValues !== undefined && {
+      ReturnValues: input.ReturnValues
+    }),
+    ...(input.TableName !== undefined && { TableName: input.TableName }),
+    ...(input.UpdateExpression !== undefined && {
+      UpdateExpression: input.UpdateExpression
+    })
+  };
 };
 
 const serializeAws_json1_0UpdateReplicationGroupMemberAction = (
   input: UpdateReplicationGroupMemberAction,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.GlobalSecondaryIndexes !== undefined) {
-    bodyParams[
-      "GlobalSecondaryIndexes"
-    ] = serializeAws_json1_0ReplicaGlobalSecondaryIndexList(
-      input.GlobalSecondaryIndexes,
-      context
-    );
-  }
-  if (input.KMSMasterKeyId !== undefined) {
-    bodyParams["KMSMasterKeyId"] = input.KMSMasterKeyId;
-  }
-  if (input.ProvisionedThroughputOverride !== undefined) {
-    bodyParams[
-      "ProvisionedThroughputOverride"
-    ] = serializeAws_json1_0ProvisionedThroughputOverride(
-      input.ProvisionedThroughputOverride,
-      context
-    );
-  }
-  if (input.RegionName !== undefined) {
-    bodyParams["RegionName"] = input.RegionName;
-  }
-  return bodyParams;
+  return {
+    ...(input.GlobalSecondaryIndexes !== undefined && {
+      GlobalSecondaryIndexes: serializeAws_json1_0ReplicaGlobalSecondaryIndexList(
+        input.GlobalSecondaryIndexes,
+        context
+      )
+    }),
+    ...(input.KMSMasterKeyId !== undefined && {
+      KMSMasterKeyId: input.KMSMasterKeyId
+    }),
+    ...(input.ProvisionedThroughputOverride !== undefined && {
+      ProvisionedThroughputOverride: serializeAws_json1_0ProvisionedThroughputOverride(
+        input.ProvisionedThroughputOverride,
+        context
+      )
+    }),
+    ...(input.RegionName !== undefined && { RegionName: input.RegionName })
+  };
 };
 
 const serializeAws_json1_0UpdateTableInput = (
   input: UpdateTableInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AttributeDefinitions !== undefined) {
-    bodyParams[
-      "AttributeDefinitions"
-    ] = serializeAws_json1_0AttributeDefinitions(
-      input.AttributeDefinitions,
-      context
-    );
-  }
-  if (input.BillingMode !== undefined) {
-    bodyParams["BillingMode"] = input.BillingMode;
-  }
-  if (input.GlobalSecondaryIndexUpdates !== undefined) {
-    bodyParams[
-      "GlobalSecondaryIndexUpdates"
-    ] = serializeAws_json1_0GlobalSecondaryIndexUpdateList(
-      input.GlobalSecondaryIndexUpdates,
-      context
-    );
-  }
-  if (input.ProvisionedThroughput !== undefined) {
-    bodyParams[
-      "ProvisionedThroughput"
-    ] = serializeAws_json1_0ProvisionedThroughput(
-      input.ProvisionedThroughput,
-      context
-    );
-  }
-  if (input.ReplicaUpdates !== undefined) {
-    bodyParams[
-      "ReplicaUpdates"
-    ] = serializeAws_json1_0ReplicationGroupUpdateList(
-      input.ReplicaUpdates,
-      context
-    );
-  }
-  if (input.SSESpecification !== undefined) {
-    bodyParams["SSESpecification"] = serializeAws_json1_0SSESpecification(
-      input.SSESpecification,
-      context
-    );
-  }
-  if (input.StreamSpecification !== undefined) {
-    bodyParams["StreamSpecification"] = serializeAws_json1_0StreamSpecification(
-      input.StreamSpecification,
-      context
-    );
-  }
-  if (input.TableName !== undefined) {
-    bodyParams["TableName"] = input.TableName;
-  }
-  return bodyParams;
+  return {
+    ...(input.AttributeDefinitions !== undefined && {
+      AttributeDefinitions: serializeAws_json1_0AttributeDefinitions(
+        input.AttributeDefinitions,
+        context
+      )
+    }),
+    ...(input.BillingMode !== undefined && { BillingMode: input.BillingMode }),
+    ...(input.GlobalSecondaryIndexUpdates !== undefined && {
+      GlobalSecondaryIndexUpdates: serializeAws_json1_0GlobalSecondaryIndexUpdateList(
+        input.GlobalSecondaryIndexUpdates,
+        context
+      )
+    }),
+    ...(input.ProvisionedThroughput !== undefined && {
+      ProvisionedThroughput: serializeAws_json1_0ProvisionedThroughput(
+        input.ProvisionedThroughput,
+        context
+      )
+    }),
+    ...(input.ReplicaUpdates !== undefined && {
+      ReplicaUpdates: serializeAws_json1_0ReplicationGroupUpdateList(
+        input.ReplicaUpdates,
+        context
+      )
+    }),
+    ...(input.SSESpecification !== undefined && {
+      SSESpecification: serializeAws_json1_0SSESpecification(
+        input.SSESpecification,
+        context
+      )
+    }),
+    ...(input.StreamSpecification !== undefined && {
+      StreamSpecification: serializeAws_json1_0StreamSpecification(
+        input.StreamSpecification,
+        context
+      )
+    }),
+    ...(input.TableName !== undefined && { TableName: input.TableName })
+  };
 };
 
 const serializeAws_json1_0UpdateTableReplicaAutoScalingInput = (
   input: UpdateTableReplicaAutoScalingInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.GlobalSecondaryIndexUpdates !== undefined) {
-    bodyParams[
-      "GlobalSecondaryIndexUpdates"
-    ] = serializeAws_json1_0GlobalSecondaryIndexAutoScalingUpdateList(
-      input.GlobalSecondaryIndexUpdates,
-      context
-    );
-  }
-  if (input.ProvisionedWriteCapacityAutoScalingUpdate !== undefined) {
-    bodyParams[
-      "ProvisionedWriteCapacityAutoScalingUpdate"
-    ] = serializeAws_json1_0AutoScalingSettingsUpdate(
-      input.ProvisionedWriteCapacityAutoScalingUpdate,
-      context
-    );
-  }
-  if (input.ReplicaUpdates !== undefined) {
-    bodyParams[
-      "ReplicaUpdates"
-    ] = serializeAws_json1_0ReplicaAutoScalingUpdateList(
-      input.ReplicaUpdates,
-      context
-    );
-  }
-  if (input.TableName !== undefined) {
-    bodyParams["TableName"] = input.TableName;
-  }
-  return bodyParams;
+  return {
+    ...(input.GlobalSecondaryIndexUpdates !== undefined && {
+      GlobalSecondaryIndexUpdates: serializeAws_json1_0GlobalSecondaryIndexAutoScalingUpdateList(
+        input.GlobalSecondaryIndexUpdates,
+        context
+      )
+    }),
+    ...(input.ProvisionedWriteCapacityAutoScalingUpdate !== undefined && {
+      ProvisionedWriteCapacityAutoScalingUpdate: serializeAws_json1_0AutoScalingSettingsUpdate(
+        input.ProvisionedWriteCapacityAutoScalingUpdate,
+        context
+      )
+    }),
+    ...(input.ReplicaUpdates !== undefined && {
+      ReplicaUpdates: serializeAws_json1_0ReplicaAutoScalingUpdateList(
+        input.ReplicaUpdates,
+        context
+      )
+    }),
+    ...(input.TableName !== undefined && { TableName: input.TableName })
+  };
 };
 
 const serializeAws_json1_0UpdateTimeToLiveInput = (
   input: UpdateTimeToLiveInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.TableName !== undefined) {
-    bodyParams["TableName"] = input.TableName;
-  }
-  if (input.TimeToLiveSpecification !== undefined) {
-    bodyParams[
-      "TimeToLiveSpecification"
-    ] = serializeAws_json1_0TimeToLiveSpecification(
-      input.TimeToLiveSpecification,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.TableName !== undefined && { TableName: input.TableName }),
+    ...(input.TimeToLiveSpecification !== undefined && {
+      TimeToLiveSpecification: serializeAws_json1_0TimeToLiveSpecification(
+        input.TimeToLiveSpecification,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_0WriteRequest = (
   input: WriteRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DeleteRequest !== undefined) {
-    bodyParams["DeleteRequest"] = serializeAws_json1_0DeleteRequest(
-      input.DeleteRequest,
-      context
-    );
-  }
-  if (input.PutRequest !== undefined) {
-    bodyParams["PutRequest"] = serializeAws_json1_0PutRequest(
-      input.PutRequest,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.DeleteRequest !== undefined && {
+      DeleteRequest: serializeAws_json1_0DeleteRequest(
+        input.DeleteRequest,
+        context
+      )
+    }),
+    ...(input.PutRequest !== undefined && {
+      PutRequest: serializeAws_json1_0PutRequest(input.PutRequest, context)
+    })
+  };
 };
 
 const serializeAws_json1_0WriteRequests = (
diff --git a/clients/client-ec2-instance-connect/protocols/Aws_json1_1.ts b/clients/client-ec2-instance-connect/protocols/Aws_json1_1.ts
index ffd68755a3eb..01ba47790cf5 100644
--- a/clients/client-ec2-instance-connect/protocols/Aws_json1_1.ts
+++ b/clients/client-ec2-instance-connect/protocols/Aws_json1_1.ts
@@ -234,20 +234,18 @@ const serializeAws_json1_1SendSSHPublicKeyRequest = (
   input: SendSSHPublicKeyRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AvailabilityZone !== undefined) {
-    bodyParams["AvailabilityZone"] = input.AvailabilityZone;
-  }
-  if (input.InstanceId !== undefined) {
-    bodyParams["InstanceId"] = input.InstanceId;
-  }
-  if (input.InstanceOSUser !== undefined) {
-    bodyParams["InstanceOSUser"] = input.InstanceOSUser;
-  }
-  if (input.SSHPublicKey !== undefined) {
-    bodyParams["SSHPublicKey"] = input.SSHPublicKey;
-  }
-  return bodyParams;
+  return {
+    ...(input.AvailabilityZone !== undefined && {
+      AvailabilityZone: input.AvailabilityZone
+    }),
+    ...(input.InstanceId !== undefined && { InstanceId: input.InstanceId }),
+    ...(input.InstanceOSUser !== undefined && {
+      InstanceOSUser: input.InstanceOSUser
+    }),
+    ...(input.SSHPublicKey !== undefined && {
+      SSHPublicKey: input.SSHPublicKey
+    })
+  };
 };
 
 const deserializeAws_json1_1AuthException = (
diff --git a/clients/client-ecr/protocols/Aws_json1_1.ts b/clients/client-ecr/protocols/Aws_json1_1.ts
index 23656dfcdfb9..618c09004af1 100644
--- a/clients/client-ecr/protocols/Aws_json1_1.ts
+++ b/clients/client-ecr/protocols/Aws_json1_1.ts
@@ -3909,68 +3909,54 @@ const serializeAws_json1_1BatchCheckLayerAvailabilityRequest = (
   input: BatchCheckLayerAvailabilityRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.layerDigests !== undefined) {
-    bodyParams[
-      "layerDigests"
-    ] = serializeAws_json1_1BatchedOperationLayerDigestList(
-      input.layerDigests,
-      context
-    );
-  }
-  if (input.registryId !== undefined) {
-    bodyParams["registryId"] = input.registryId;
-  }
-  if (input.repositoryName !== undefined) {
-    bodyParams["repositoryName"] = input.repositoryName;
-  }
-  return bodyParams;
+  return {
+    ...(input.layerDigests !== undefined && {
+      layerDigests: serializeAws_json1_1BatchedOperationLayerDigestList(
+        input.layerDigests,
+        context
+      )
+    }),
+    ...(input.registryId !== undefined && { registryId: input.registryId }),
+    ...(input.repositoryName !== undefined && {
+      repositoryName: input.repositoryName
+    })
+  };
 };
 
 const serializeAws_json1_1BatchDeleteImageRequest = (
   input: BatchDeleteImageRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.imageIds !== undefined) {
-    bodyParams["imageIds"] = serializeAws_json1_1ImageIdentifierList(
-      input.imageIds,
-      context
-    );
-  }
-  if (input.registryId !== undefined) {
-    bodyParams["registryId"] = input.registryId;
-  }
-  if (input.repositoryName !== undefined) {
-    bodyParams["repositoryName"] = input.repositoryName;
-  }
-  return bodyParams;
+  return {
+    ...(input.imageIds !== undefined && {
+      imageIds: serializeAws_json1_1ImageIdentifierList(input.imageIds, context)
+    }),
+    ...(input.registryId !== undefined && { registryId: input.registryId }),
+    ...(input.repositoryName !== undefined && {
+      repositoryName: input.repositoryName
+    })
+  };
 };
 
 const serializeAws_json1_1BatchGetImageRequest = (
   input: BatchGetImageRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.acceptedMediaTypes !== undefined) {
-    bodyParams["acceptedMediaTypes"] = serializeAws_json1_1MediaTypeList(
-      input.acceptedMediaTypes,
-      context
-    );
-  }
-  if (input.imageIds !== undefined) {
-    bodyParams["imageIds"] = serializeAws_json1_1ImageIdentifierList(
-      input.imageIds,
-      context
-    );
-  }
-  if (input.registryId !== undefined) {
-    bodyParams["registryId"] = input.registryId;
-  }
-  if (input.repositoryName !== undefined) {
-    bodyParams["repositoryName"] = input.repositoryName;
-  }
-  return bodyParams;
+  return {
+    ...(input.acceptedMediaTypes !== undefined && {
+      acceptedMediaTypes: serializeAws_json1_1MediaTypeList(
+        input.acceptedMediaTypes,
+        context
+      )
+    }),
+    ...(input.imageIds !== undefined && {
+      imageIds: serializeAws_json1_1ImageIdentifierList(input.imageIds, context)
+    }),
+    ...(input.registryId !== undefined && { registryId: input.registryId }),
+    ...(input.repositoryName !== undefined && {
+      repositoryName: input.repositoryName
+    })
+  };
 };
 
 const serializeAws_json1_1BatchedOperationLayerDigestList = (
@@ -3984,185 +3970,142 @@ const serializeAws_json1_1CompleteLayerUploadRequest = (
   input: CompleteLayerUploadRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.layerDigests !== undefined) {
-    bodyParams["layerDigests"] = serializeAws_json1_1LayerDigestList(
-      input.layerDigests,
-      context
-    );
-  }
-  if (input.registryId !== undefined) {
-    bodyParams["registryId"] = input.registryId;
-  }
-  if (input.repositoryName !== undefined) {
-    bodyParams["repositoryName"] = input.repositoryName;
-  }
-  if (input.uploadId !== undefined) {
-    bodyParams["uploadId"] = input.uploadId;
-  }
-  return bodyParams;
+  return {
+    ...(input.layerDigests !== undefined && {
+      layerDigests: serializeAws_json1_1LayerDigestList(
+        input.layerDigests,
+        context
+      )
+    }),
+    ...(input.registryId !== undefined && { registryId: input.registryId }),
+    ...(input.repositoryName !== undefined && {
+      repositoryName: input.repositoryName
+    }),
+    ...(input.uploadId !== undefined && { uploadId: input.uploadId })
+  };
 };
 
 const serializeAws_json1_1CreateRepositoryRequest = (
   input: CreateRepositoryRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.imageScanningConfiguration !== undefined) {
-    bodyParams[
-      "imageScanningConfiguration"
-    ] = serializeAws_json1_1ImageScanningConfiguration(
-      input.imageScanningConfiguration,
-      context
-    );
-  }
-  if (input.imageTagMutability !== undefined) {
-    bodyParams["imageTagMutability"] = input.imageTagMutability;
-  }
-  if (input.repositoryName !== undefined) {
-    bodyParams["repositoryName"] = input.repositoryName;
-  }
-  if (input.tags !== undefined) {
-    bodyParams["tags"] = serializeAws_json1_1TagList(input.tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.imageScanningConfiguration !== undefined && {
+      imageScanningConfiguration: serializeAws_json1_1ImageScanningConfiguration(
+        input.imageScanningConfiguration,
+        context
+      )
+    }),
+    ...(input.imageTagMutability !== undefined && {
+      imageTagMutability: input.imageTagMutability
+    }),
+    ...(input.repositoryName !== undefined && {
+      repositoryName: input.repositoryName
+    }),
+    ...(input.tags !== undefined && {
+      tags: serializeAws_json1_1TagList(input.tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteLifecyclePolicyRequest = (
   input: DeleteLifecyclePolicyRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.registryId !== undefined) {
-    bodyParams["registryId"] = input.registryId;
-  }
-  if (input.repositoryName !== undefined) {
-    bodyParams["repositoryName"] = input.repositoryName;
-  }
-  return bodyParams;
+  return {
+    ...(input.registryId !== undefined && { registryId: input.registryId }),
+    ...(input.repositoryName !== undefined && {
+      repositoryName: input.repositoryName
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteRepositoryPolicyRequest = (
   input: DeleteRepositoryPolicyRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.registryId !== undefined) {
-    bodyParams["registryId"] = input.registryId;
-  }
-  if (input.repositoryName !== undefined) {
-    bodyParams["repositoryName"] = input.repositoryName;
-  }
-  return bodyParams;
+  return {
+    ...(input.registryId !== undefined && { registryId: input.registryId }),
+    ...(input.repositoryName !== undefined && {
+      repositoryName: input.repositoryName
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteRepositoryRequest = (
   input: DeleteRepositoryRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.force !== undefined) {
-    bodyParams["force"] = input.force;
-  }
-  if (input.registryId !== undefined) {
-    bodyParams["registryId"] = input.registryId;
-  }
-  if (input.repositoryName !== undefined) {
-    bodyParams["repositoryName"] = input.repositoryName;
-  }
-  return bodyParams;
+  return {
+    ...(input.force !== undefined && { force: input.force }),
+    ...(input.registryId !== undefined && { registryId: input.registryId }),
+    ...(input.repositoryName !== undefined && {
+      repositoryName: input.repositoryName
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeImageScanFindingsRequest = (
   input: DescribeImageScanFindingsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.imageId !== undefined) {
-    bodyParams["imageId"] = serializeAws_json1_1ImageIdentifier(
-      input.imageId,
-      context
-    );
-  }
-  if (input.maxResults !== undefined) {
-    bodyParams["maxResults"] = input.maxResults;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  if (input.registryId !== undefined) {
-    bodyParams["registryId"] = input.registryId;
-  }
-  if (input.repositoryName !== undefined) {
-    bodyParams["repositoryName"] = input.repositoryName;
-  }
-  return bodyParams;
+  return {
+    ...(input.imageId !== undefined && {
+      imageId: serializeAws_json1_1ImageIdentifier(input.imageId, context)
+    }),
+    ...(input.maxResults !== undefined && { maxResults: input.maxResults }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken }),
+    ...(input.registryId !== undefined && { registryId: input.registryId }),
+    ...(input.repositoryName !== undefined && {
+      repositoryName: input.repositoryName
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeImagesFilter = (
   input: DescribeImagesFilter,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.tagStatus !== undefined) {
-    bodyParams["tagStatus"] = input.tagStatus;
-  }
-  return bodyParams;
+  return {
+    ...(input.tagStatus !== undefined && { tagStatus: input.tagStatus })
+  };
 };
 
 const serializeAws_json1_1DescribeImagesRequest = (
   input: DescribeImagesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.filter !== undefined) {
-    bodyParams["filter"] = serializeAws_json1_1DescribeImagesFilter(
-      input.filter,
-      context
-    );
-  }
-  if (input.imageIds !== undefined) {
-    bodyParams["imageIds"] = serializeAws_json1_1ImageIdentifierList(
-      input.imageIds,
-      context
-    );
-  }
-  if (input.maxResults !== undefined) {
-    bodyParams["maxResults"] = input.maxResults;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  if (input.registryId !== undefined) {
-    bodyParams["registryId"] = input.registryId;
-  }
-  if (input.repositoryName !== undefined) {
-    bodyParams["repositoryName"] = input.repositoryName;
-  }
-  return bodyParams;
+  return {
+    ...(input.filter !== undefined && {
+      filter: serializeAws_json1_1DescribeImagesFilter(input.filter, context)
+    }),
+    ...(input.imageIds !== undefined && {
+      imageIds: serializeAws_json1_1ImageIdentifierList(input.imageIds, context)
+    }),
+    ...(input.maxResults !== undefined && { maxResults: input.maxResults }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken }),
+    ...(input.registryId !== undefined && { registryId: input.registryId }),
+    ...(input.repositoryName !== undefined && {
+      repositoryName: input.repositoryName
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeRepositoriesRequest = (
   input: DescribeRepositoriesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.maxResults !== undefined) {
-    bodyParams["maxResults"] = input.maxResults;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  if (input.registryId !== undefined) {
-    bodyParams["registryId"] = input.registryId;
-  }
-  if (input.repositoryNames !== undefined) {
-    bodyParams["repositoryNames"] = serializeAws_json1_1RepositoryNameList(
-      input.repositoryNames,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.maxResults !== undefined && { maxResults: input.maxResults }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken }),
+    ...(input.registryId !== undefined && { registryId: input.registryId }),
+    ...(input.repositoryNames !== undefined && {
+      repositoryNames: serializeAws_json1_1RepositoryNameList(
+        input.repositoryNames,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1GetAuthorizationTokenRegistryIdList = (
@@ -4176,107 +4119,84 @@ const serializeAws_json1_1GetAuthorizationTokenRequest = (
   input: GetAuthorizationTokenRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.registryIds !== undefined) {
-    bodyParams[
-      "registryIds"
-    ] = serializeAws_json1_1GetAuthorizationTokenRegistryIdList(
-      input.registryIds,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.registryIds !== undefined && {
+      registryIds: serializeAws_json1_1GetAuthorizationTokenRegistryIdList(
+        input.registryIds,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1GetDownloadUrlForLayerRequest = (
   input: GetDownloadUrlForLayerRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.layerDigest !== undefined) {
-    bodyParams["layerDigest"] = input.layerDigest;
-  }
-  if (input.registryId !== undefined) {
-    bodyParams["registryId"] = input.registryId;
-  }
-  if (input.repositoryName !== undefined) {
-    bodyParams["repositoryName"] = input.repositoryName;
-  }
-  return bodyParams;
+  return {
+    ...(input.layerDigest !== undefined && { layerDigest: input.layerDigest }),
+    ...(input.registryId !== undefined && { registryId: input.registryId }),
+    ...(input.repositoryName !== undefined && {
+      repositoryName: input.repositoryName
+    })
+  };
 };
 
 const serializeAws_json1_1GetLifecyclePolicyPreviewRequest = (
   input: GetLifecyclePolicyPreviewRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.filter !== undefined) {
-    bodyParams["filter"] = serializeAws_json1_1LifecyclePolicyPreviewFilter(
-      input.filter,
-      context
-    );
-  }
-  if (input.imageIds !== undefined) {
-    bodyParams["imageIds"] = serializeAws_json1_1ImageIdentifierList(
-      input.imageIds,
-      context
-    );
-  }
-  if (input.maxResults !== undefined) {
-    bodyParams["maxResults"] = input.maxResults;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  if (input.registryId !== undefined) {
-    bodyParams["registryId"] = input.registryId;
-  }
-  if (input.repositoryName !== undefined) {
-    bodyParams["repositoryName"] = input.repositoryName;
-  }
-  return bodyParams;
+  return {
+    ...(input.filter !== undefined && {
+      filter: serializeAws_json1_1LifecyclePolicyPreviewFilter(
+        input.filter,
+        context
+      )
+    }),
+    ...(input.imageIds !== undefined && {
+      imageIds: serializeAws_json1_1ImageIdentifierList(input.imageIds, context)
+    }),
+    ...(input.maxResults !== undefined && { maxResults: input.maxResults }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken }),
+    ...(input.registryId !== undefined && { registryId: input.registryId }),
+    ...(input.repositoryName !== undefined && {
+      repositoryName: input.repositoryName
+    })
+  };
 };
 
 const serializeAws_json1_1GetLifecyclePolicyRequest = (
   input: GetLifecyclePolicyRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.registryId !== undefined) {
-    bodyParams["registryId"] = input.registryId;
-  }
-  if (input.repositoryName !== undefined) {
-    bodyParams["repositoryName"] = input.repositoryName;
-  }
-  return bodyParams;
+  return {
+    ...(input.registryId !== undefined && { registryId: input.registryId }),
+    ...(input.repositoryName !== undefined && {
+      repositoryName: input.repositoryName
+    })
+  };
 };
 
 const serializeAws_json1_1GetRepositoryPolicyRequest = (
   input: GetRepositoryPolicyRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.registryId !== undefined) {
-    bodyParams["registryId"] = input.registryId;
-  }
-  if (input.repositoryName !== undefined) {
-    bodyParams["repositoryName"] = input.repositoryName;
-  }
-  return bodyParams;
+  return {
+    ...(input.registryId !== undefined && { registryId: input.registryId }),
+    ...(input.repositoryName !== undefined && {
+      repositoryName: input.repositoryName
+    })
+  };
 };
 
 const serializeAws_json1_1ImageIdentifier = (
   input: ImageIdentifier,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.imageDigest !== undefined) {
-    bodyParams["imageDigest"] = input.imageDigest;
-  }
-  if (input.imageTag !== undefined) {
-    bodyParams["imageTag"] = input.imageTag;
-  }
-  return bodyParams;
+  return {
+    ...(input.imageDigest !== undefined && { imageDigest: input.imageDigest }),
+    ...(input.imageTag !== undefined && { imageTag: input.imageTag })
+  };
 };
 
 const serializeAws_json1_1ImageIdentifierList = (
@@ -4292,25 +4212,21 @@ const serializeAws_json1_1ImageScanningConfiguration = (
   input: ImageScanningConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.scanOnPush !== undefined) {
-    bodyParams["scanOnPush"] = input.scanOnPush;
-  }
-  return bodyParams;
+  return {
+    ...(input.scanOnPush !== undefined && { scanOnPush: input.scanOnPush })
+  };
 };
 
 const serializeAws_json1_1InitiateLayerUploadRequest = (
   input: InitiateLayerUploadRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.registryId !== undefined) {
-    bodyParams["registryId"] = input.registryId;
-  }
-  if (input.repositoryName !== undefined) {
-    bodyParams["repositoryName"] = input.repositoryName;
-  }
-  return bodyParams;
+  return {
+    ...(input.registryId !== undefined && { registryId: input.registryId }),
+    ...(input.repositoryName !== undefined && {
+      repositoryName: input.repositoryName
+    })
+  };
 };
 
 const serializeAws_json1_1LayerDigestList = (
@@ -4324,59 +4240,44 @@ const serializeAws_json1_1LifecyclePolicyPreviewFilter = (
   input: LifecyclePolicyPreviewFilter,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.tagStatus !== undefined) {
-    bodyParams["tagStatus"] = input.tagStatus;
-  }
-  return bodyParams;
+  return {
+    ...(input.tagStatus !== undefined && { tagStatus: input.tagStatus })
+  };
 };
 
 const serializeAws_json1_1ListImagesFilter = (
   input: ListImagesFilter,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.tagStatus !== undefined) {
-    bodyParams["tagStatus"] = input.tagStatus;
-  }
-  return bodyParams;
+  return {
+    ...(input.tagStatus !== undefined && { tagStatus: input.tagStatus })
+  };
 };
 
 const serializeAws_json1_1ListImagesRequest = (
   input: ListImagesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.filter !== undefined) {
-    bodyParams["filter"] = serializeAws_json1_1ListImagesFilter(
-      input.filter,
-      context
-    );
-  }
-  if (input.maxResults !== undefined) {
-    bodyParams["maxResults"] = input.maxResults;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  if (input.registryId !== undefined) {
-    bodyParams["registryId"] = input.registryId;
-  }
-  if (input.repositoryName !== undefined) {
-    bodyParams["repositoryName"] = input.repositoryName;
-  }
-  return bodyParams;
+  return {
+    ...(input.filter !== undefined && {
+      filter: serializeAws_json1_1ListImagesFilter(input.filter, context)
+    }),
+    ...(input.maxResults !== undefined && { maxResults: input.maxResults }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken }),
+    ...(input.registryId !== undefined && { registryId: input.registryId }),
+    ...(input.repositoryName !== undefined && {
+      repositoryName: input.repositoryName
+    })
+  };
 };
 
 const serializeAws_json1_1ListTagsForResourceRequest = (
   input: ListTagsForResourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.resourceArn !== undefined) {
-    bodyParams["resourceArn"] = input.resourceArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.resourceArn !== undefined && { resourceArn: input.resourceArn })
+  };
 };
 
 const serializeAws_json1_1MediaTypeList = (
@@ -4390,76 +4291,64 @@ const serializeAws_json1_1PutImageRequest = (
   input: PutImageRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.imageManifest !== undefined) {
-    bodyParams["imageManifest"] = input.imageManifest;
-  }
-  if (input.imageTag !== undefined) {
-    bodyParams["imageTag"] = input.imageTag;
-  }
-  if (input.registryId !== undefined) {
-    bodyParams["registryId"] = input.registryId;
-  }
-  if (input.repositoryName !== undefined) {
-    bodyParams["repositoryName"] = input.repositoryName;
-  }
-  return bodyParams;
+  return {
+    ...(input.imageManifest !== undefined && {
+      imageManifest: input.imageManifest
+    }),
+    ...(input.imageTag !== undefined && { imageTag: input.imageTag }),
+    ...(input.registryId !== undefined && { registryId: input.registryId }),
+    ...(input.repositoryName !== undefined && {
+      repositoryName: input.repositoryName
+    })
+  };
 };
 
 const serializeAws_json1_1PutImageScanningConfigurationRequest = (
   input: PutImageScanningConfigurationRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.imageScanningConfiguration !== undefined) {
-    bodyParams[
-      "imageScanningConfiguration"
-    ] = serializeAws_json1_1ImageScanningConfiguration(
-      input.imageScanningConfiguration,
-      context
-    );
-  }
-  if (input.registryId !== undefined) {
-    bodyParams["registryId"] = input.registryId;
-  }
-  if (input.repositoryName !== undefined) {
-    bodyParams["repositoryName"] = input.repositoryName;
-  }
-  return bodyParams;
+  return {
+    ...(input.imageScanningConfiguration !== undefined && {
+      imageScanningConfiguration: serializeAws_json1_1ImageScanningConfiguration(
+        input.imageScanningConfiguration,
+        context
+      )
+    }),
+    ...(input.registryId !== undefined && { registryId: input.registryId }),
+    ...(input.repositoryName !== undefined && {
+      repositoryName: input.repositoryName
+    })
+  };
 };
 
 const serializeAws_json1_1PutImageTagMutabilityRequest = (
   input: PutImageTagMutabilityRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.imageTagMutability !== undefined) {
-    bodyParams["imageTagMutability"] = input.imageTagMutability;
-  }
-  if (input.registryId !== undefined) {
-    bodyParams["registryId"] = input.registryId;
-  }
-  if (input.repositoryName !== undefined) {
-    bodyParams["repositoryName"] = input.repositoryName;
-  }
-  return bodyParams;
+  return {
+    ...(input.imageTagMutability !== undefined && {
+      imageTagMutability: input.imageTagMutability
+    }),
+    ...(input.registryId !== undefined && { registryId: input.registryId }),
+    ...(input.repositoryName !== undefined && {
+      repositoryName: input.repositoryName
+    })
+  };
 };
 
 const serializeAws_json1_1PutLifecyclePolicyRequest = (
   input: PutLifecyclePolicyRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.lifecyclePolicyText !== undefined) {
-    bodyParams["lifecyclePolicyText"] = input.lifecyclePolicyText;
-  }
-  if (input.registryId !== undefined) {
-    bodyParams["registryId"] = input.registryId;
-  }
-  if (input.repositoryName !== undefined) {
-    bodyParams["repositoryName"] = input.repositoryName;
-  }
-  return bodyParams;
+  return {
+    ...(input.lifecyclePolicyText !== undefined && {
+      lifecyclePolicyText: input.lifecyclePolicyText
+    }),
+    ...(input.registryId !== undefined && { registryId: input.registryId }),
+    ...(input.repositoryName !== undefined && {
+      repositoryName: input.repositoryName
+    })
+  };
 };
 
 const serializeAws_json1_1RepositoryNameList = (
@@ -4473,68 +4362,51 @@ const serializeAws_json1_1SetRepositoryPolicyRequest = (
   input: SetRepositoryPolicyRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.force !== undefined) {
-    bodyParams["force"] = input.force;
-  }
-  if (input.policyText !== undefined) {
-    bodyParams["policyText"] = input.policyText;
-  }
-  if (input.registryId !== undefined) {
-    bodyParams["registryId"] = input.registryId;
-  }
-  if (input.repositoryName !== undefined) {
-    bodyParams["repositoryName"] = input.repositoryName;
-  }
-  return bodyParams;
+  return {
+    ...(input.force !== undefined && { force: input.force }),
+    ...(input.policyText !== undefined && { policyText: input.policyText }),
+    ...(input.registryId !== undefined && { registryId: input.registryId }),
+    ...(input.repositoryName !== undefined && {
+      repositoryName: input.repositoryName
+    })
+  };
 };
 
 const serializeAws_json1_1StartImageScanRequest = (
   input: StartImageScanRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.imageId !== undefined) {
-    bodyParams["imageId"] = serializeAws_json1_1ImageIdentifier(
-      input.imageId,
-      context
-    );
-  }
-  if (input.registryId !== undefined) {
-    bodyParams["registryId"] = input.registryId;
-  }
-  if (input.repositoryName !== undefined) {
-    bodyParams["repositoryName"] = input.repositoryName;
-  }
-  return bodyParams;
+  return {
+    ...(input.imageId !== undefined && {
+      imageId: serializeAws_json1_1ImageIdentifier(input.imageId, context)
+    }),
+    ...(input.registryId !== undefined && { registryId: input.registryId }),
+    ...(input.repositoryName !== undefined && {
+      repositoryName: input.repositoryName
+    })
+  };
 };
 
 const serializeAws_json1_1StartLifecyclePolicyPreviewRequest = (
   input: StartLifecyclePolicyPreviewRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.lifecyclePolicyText !== undefined) {
-    bodyParams["lifecyclePolicyText"] = input.lifecyclePolicyText;
-  }
-  if (input.registryId !== undefined) {
-    bodyParams["registryId"] = input.registryId;
-  }
-  if (input.repositoryName !== undefined) {
-    bodyParams["repositoryName"] = input.repositoryName;
-  }
-  return bodyParams;
+  return {
+    ...(input.lifecyclePolicyText !== undefined && {
+      lifecyclePolicyText: input.lifecyclePolicyText
+    }),
+    ...(input.registryId !== undefined && { registryId: input.registryId }),
+    ...(input.repositoryName !== undefined && {
+      repositoryName: input.repositoryName
+    })
+  };
 };
 
 const serializeAws_json1_1Tag = (input: Tag, context: __SerdeContext): any => {
-  const bodyParams: any = {};
-  if (input.Key !== undefined) {
-    bodyParams["Key"] = input.Key;
-  }
-  if (input.Value !== undefined) {
-    bodyParams["Value"] = input.Value;
-  }
-  return bodyParams;
+  return {
+    ...(input.Key !== undefined && { Key: input.Key }),
+    ...(input.Value !== undefined && { Value: input.Value })
+  };
 };
 
 const serializeAws_json1_1TagKeyList = (
@@ -4555,57 +4427,46 @@ const serializeAws_json1_1TagResourceRequest = (
   input: TagResourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.resourceArn !== undefined) {
-    bodyParams["resourceArn"] = input.resourceArn;
-  }
-  if (input.tags !== undefined) {
-    bodyParams["tags"] = serializeAws_json1_1TagList(input.tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.resourceArn !== undefined && { resourceArn: input.resourceArn }),
+    ...(input.tags !== undefined && {
+      tags: serializeAws_json1_1TagList(input.tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1UntagResourceRequest = (
   input: UntagResourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.resourceArn !== undefined) {
-    bodyParams["resourceArn"] = input.resourceArn;
-  }
-  if (input.tagKeys !== undefined) {
-    bodyParams["tagKeys"] = serializeAws_json1_1TagKeyList(
-      input.tagKeys,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.resourceArn !== undefined && { resourceArn: input.resourceArn }),
+    ...(input.tagKeys !== undefined && {
+      tagKeys: serializeAws_json1_1TagKeyList(input.tagKeys, context)
+    })
+  };
 };
 
 const serializeAws_json1_1UploadLayerPartRequest = (
   input: UploadLayerPartRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.layerPartBlob !== undefined) {
-    bodyParams["layerPartBlob"] = context.base64Encoder(input.layerPartBlob);
-  }
-  if (input.partFirstByte !== undefined) {
-    bodyParams["partFirstByte"] = input.partFirstByte;
-  }
-  if (input.partLastByte !== undefined) {
-    bodyParams["partLastByte"] = input.partLastByte;
-  }
-  if (input.registryId !== undefined) {
-    bodyParams["registryId"] = input.registryId;
-  }
-  if (input.repositoryName !== undefined) {
-    bodyParams["repositoryName"] = input.repositoryName;
-  }
-  if (input.uploadId !== undefined) {
-    bodyParams["uploadId"] = input.uploadId;
-  }
-  return bodyParams;
+  return {
+    ...(input.layerPartBlob !== undefined && {
+      layerPartBlob: context.base64Encoder(input.layerPartBlob)
+    }),
+    ...(input.partFirstByte !== undefined && {
+      partFirstByte: input.partFirstByte
+    }),
+    ...(input.partLastByte !== undefined && {
+      partLastByte: input.partLastByte
+    }),
+    ...(input.registryId !== undefined && { registryId: input.registryId }),
+    ...(input.repositoryName !== undefined && {
+      repositoryName: input.repositoryName
+    }),
+    ...(input.uploadId !== undefined && { uploadId: input.uploadId })
+  };
 };
 
 const deserializeAws_json1_1Attribute = (
diff --git a/clients/client-ecs/protocols/Aws_json1_1.ts b/clients/client-ecs/protocols/Aws_json1_1.ts
index 8f98dc237962..332397382073 100644
--- a/clients/client-ecs/protocols/Aws_json1_1.ts
+++ b/clients/client-ecs/protocols/Aws_json1_1.ts
@@ -6472,14 +6472,12 @@ const serializeAws_json1_1AttachmentStateChange = (
   input: AttachmentStateChange,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.attachmentArn !== undefined) {
-    bodyParams["attachmentArn"] = input.attachmentArn;
-  }
-  if (input.status !== undefined) {
-    bodyParams["status"] = input.status;
-  }
-  return bodyParams;
+  return {
+    ...(input.attachmentArn !== undefined && {
+      attachmentArn: input.attachmentArn
+    }),
+    ...(input.status !== undefined && { status: input.status })
+  };
 };
 
 const serializeAws_json1_1AttachmentStateChanges = (
@@ -6495,20 +6493,12 @@ const serializeAws_json1_1Attribute = (
   input: Attribute,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  if (input.targetId !== undefined) {
-    bodyParams["targetId"] = input.targetId;
-  }
-  if (input.targetType !== undefined) {
-    bodyParams["targetType"] = input.targetType;
-  }
-  if (input.value !== undefined) {
-    bodyParams["value"] = input.value;
-  }
-  return bodyParams;
+  return {
+    ...(input.name !== undefined && { name: input.name }),
+    ...(input.targetId !== undefined && { targetId: input.targetId }),
+    ...(input.targetType !== undefined && { targetType: input.targetType }),
+    ...(input.value !== undefined && { value: input.value })
+  };
 };
 
 const serializeAws_json1_1Attributes = (
@@ -6522,44 +6512,40 @@ const serializeAws_json1_1AutoScalingGroupProvider = (
   input: AutoScalingGroupProvider,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.autoScalingGroupArn !== undefined) {
-    bodyParams["autoScalingGroupArn"] = input.autoScalingGroupArn;
-  }
-  if (input.managedScaling !== undefined) {
-    bodyParams["managedScaling"] = serializeAws_json1_1ManagedScaling(
-      input.managedScaling,
-      context
-    );
-  }
-  if (input.managedTerminationProtection !== undefined) {
-    bodyParams["managedTerminationProtection"] =
-      input.managedTerminationProtection;
-  }
-  return bodyParams;
+  return {
+    ...(input.autoScalingGroupArn !== undefined && {
+      autoScalingGroupArn: input.autoScalingGroupArn
+    }),
+    ...(input.managedScaling !== undefined && {
+      managedScaling: serializeAws_json1_1ManagedScaling(
+        input.managedScaling,
+        context
+      )
+    }),
+    ...(input.managedTerminationProtection !== undefined && {
+      managedTerminationProtection: input.managedTerminationProtection
+    })
+  };
 };
 
 const serializeAws_json1_1AwsVpcConfiguration = (
   input: AwsVpcConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.assignPublicIp !== undefined) {
-    bodyParams["assignPublicIp"] = input.assignPublicIp;
-  }
-  if (input.securityGroups !== undefined) {
-    bodyParams["securityGroups"] = serializeAws_json1_1StringList(
-      input.securityGroups,
-      context
-    );
-  }
-  if (input.subnets !== undefined) {
-    bodyParams["subnets"] = serializeAws_json1_1StringList(
-      input.subnets,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.assignPublicIp !== undefined && {
+      assignPublicIp: input.assignPublicIp
+    }),
+    ...(input.securityGroups !== undefined && {
+      securityGroups: serializeAws_json1_1StringList(
+        input.securityGroups,
+        context
+      )
+    }),
+    ...(input.subnets !== undefined && {
+      subnets: serializeAws_json1_1StringList(input.subnets, context)
+    })
+  };
 };
 
 const serializeAws_json1_1CapacityProviderFieldList = (
@@ -6582,17 +6568,13 @@ const serializeAws_json1_1CapacityProviderStrategyItem = (
   input: CapacityProviderStrategyItem,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.base !== undefined) {
-    bodyParams["base"] = input.base;
-  }
-  if (input.capacityProvider !== undefined) {
-    bodyParams["capacityProvider"] = input.capacityProvider;
-  }
-  if (input.weight !== undefined) {
-    bodyParams["weight"] = input.weight;
-  }
-  return bodyParams;
+  return {
+    ...(input.base !== undefined && { base: input.base }),
+    ...(input.capacityProvider !== undefined && {
+      capacityProvider: input.capacityProvider
+    }),
+    ...(input.weight !== undefined && { weight: input.weight })
+  };
 };
 
 const serializeAws_json1_1ClusterFieldList = (
@@ -6606,14 +6588,10 @@ const serializeAws_json1_1ClusterSetting = (
   input: ClusterSetting,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  if (input.value !== undefined) {
-    bodyParams["value"] = input.value;
-  }
-  return bodyParams;
+  return {
+    ...(input.name !== undefined && { name: input.name }),
+    ...(input.value !== undefined && { value: input.value })
+  };
 };
 
 const serializeAws_json1_1ClusterSettings = (
@@ -6634,191 +6612,144 @@ const serializeAws_json1_1ContainerDefinition = (
   input: ContainerDefinition,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.command !== undefined) {
-    bodyParams["command"] = serializeAws_json1_1StringList(
-      input.command,
-      context
-    );
-  }
-  if (input.cpu !== undefined) {
-    bodyParams["cpu"] = input.cpu;
-  }
-  if (input.dependsOn !== undefined) {
-    bodyParams["dependsOn"] = serializeAws_json1_1ContainerDependencies(
-      input.dependsOn,
-      context
-    );
-  }
-  if (input.disableNetworking !== undefined) {
-    bodyParams["disableNetworking"] = input.disableNetworking;
-  }
-  if (input.dnsSearchDomains !== undefined) {
-    bodyParams["dnsSearchDomains"] = serializeAws_json1_1StringList(
-      input.dnsSearchDomains,
-      context
-    );
-  }
-  if (input.dnsServers !== undefined) {
-    bodyParams["dnsServers"] = serializeAws_json1_1StringList(
-      input.dnsServers,
-      context
-    );
-  }
-  if (input.dockerLabels !== undefined) {
-    bodyParams["dockerLabels"] = serializeAws_json1_1DockerLabelsMap(
-      input.dockerLabels,
-      context
-    );
-  }
-  if (input.dockerSecurityOptions !== undefined) {
-    bodyParams["dockerSecurityOptions"] = serializeAws_json1_1StringList(
-      input.dockerSecurityOptions,
-      context
-    );
-  }
-  if (input.entryPoint !== undefined) {
-    bodyParams["entryPoint"] = serializeAws_json1_1StringList(
-      input.entryPoint,
-      context
-    );
-  }
-  if (input.environment !== undefined) {
-    bodyParams["environment"] = serializeAws_json1_1EnvironmentVariables(
-      input.environment,
-      context
-    );
-  }
-  if (input.essential !== undefined) {
-    bodyParams["essential"] = input.essential;
-  }
-  if (input.extraHosts !== undefined) {
-    bodyParams["extraHosts"] = serializeAws_json1_1HostEntryList(
-      input.extraHosts,
-      context
-    );
-  }
-  if (input.firelensConfiguration !== undefined) {
-    bodyParams[
-      "firelensConfiguration"
-    ] = serializeAws_json1_1FirelensConfiguration(
-      input.firelensConfiguration,
-      context
-    );
-  }
-  if (input.healthCheck !== undefined) {
-    bodyParams["healthCheck"] = serializeAws_json1_1HealthCheck(
-      input.healthCheck,
-      context
-    );
-  }
-  if (input.hostname !== undefined) {
-    bodyParams["hostname"] = input.hostname;
-  }
-  if (input.image !== undefined) {
-    bodyParams["image"] = input.image;
-  }
-  if (input.interactive !== undefined) {
-    bodyParams["interactive"] = input.interactive;
-  }
-  if (input.links !== undefined) {
-    bodyParams["links"] = serializeAws_json1_1StringList(input.links, context);
-  }
-  if (input.linuxParameters !== undefined) {
-    bodyParams["linuxParameters"] = serializeAws_json1_1LinuxParameters(
-      input.linuxParameters,
-      context
-    );
-  }
-  if (input.logConfiguration !== undefined) {
-    bodyParams["logConfiguration"] = serializeAws_json1_1LogConfiguration(
-      input.logConfiguration,
-      context
-    );
-  }
-  if (input.memory !== undefined) {
-    bodyParams["memory"] = input.memory;
-  }
-  if (input.memoryReservation !== undefined) {
-    bodyParams["memoryReservation"] = input.memoryReservation;
-  }
-  if (input.mountPoints !== undefined) {
-    bodyParams["mountPoints"] = serializeAws_json1_1MountPointList(
-      input.mountPoints,
-      context
-    );
-  }
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  if (input.portMappings !== undefined) {
-    bodyParams["portMappings"] = serializeAws_json1_1PortMappingList(
-      input.portMappings,
-      context
-    );
-  }
-  if (input.privileged !== undefined) {
-    bodyParams["privileged"] = input.privileged;
-  }
-  if (input.pseudoTerminal !== undefined) {
-    bodyParams["pseudoTerminal"] = input.pseudoTerminal;
-  }
-  if (input.readonlyRootFilesystem !== undefined) {
-    bodyParams["readonlyRootFilesystem"] = input.readonlyRootFilesystem;
-  }
-  if (input.repositoryCredentials !== undefined) {
-    bodyParams[
-      "repositoryCredentials"
-    ] = serializeAws_json1_1RepositoryCredentials(
-      input.repositoryCredentials,
-      context
-    );
-  }
-  if (input.resourceRequirements !== undefined) {
-    bodyParams[
-      "resourceRequirements"
-    ] = serializeAws_json1_1ResourceRequirements(
-      input.resourceRequirements,
-      context
-    );
-  }
-  if (input.secrets !== undefined) {
-    bodyParams["secrets"] = serializeAws_json1_1SecretList(
-      input.secrets,
-      context
-    );
-  }
-  if (input.startTimeout !== undefined) {
-    bodyParams["startTimeout"] = input.startTimeout;
-  }
-  if (input.stopTimeout !== undefined) {
-    bodyParams["stopTimeout"] = input.stopTimeout;
-  }
-  if (input.systemControls !== undefined) {
-    bodyParams["systemControls"] = serializeAws_json1_1SystemControls(
-      input.systemControls,
-      context
-    );
-  }
-  if (input.ulimits !== undefined) {
-    bodyParams["ulimits"] = serializeAws_json1_1UlimitList(
-      input.ulimits,
-      context
-    );
-  }
-  if (input.user !== undefined) {
-    bodyParams["user"] = input.user;
-  }
-  if (input.volumesFrom !== undefined) {
-    bodyParams["volumesFrom"] = serializeAws_json1_1VolumeFromList(
-      input.volumesFrom,
-      context
-    );
-  }
-  if (input.workingDirectory !== undefined) {
-    bodyParams["workingDirectory"] = input.workingDirectory;
-  }
-  return bodyParams;
+  return {
+    ...(input.command !== undefined && {
+      command: serializeAws_json1_1StringList(input.command, context)
+    }),
+    ...(input.cpu !== undefined && { cpu: input.cpu }),
+    ...(input.dependsOn !== undefined && {
+      dependsOn: serializeAws_json1_1ContainerDependencies(
+        input.dependsOn,
+        context
+      )
+    }),
+    ...(input.disableNetworking !== undefined && {
+      disableNetworking: input.disableNetworking
+    }),
+    ...(input.dnsSearchDomains !== undefined && {
+      dnsSearchDomains: serializeAws_json1_1StringList(
+        input.dnsSearchDomains,
+        context
+      )
+    }),
+    ...(input.dnsServers !== undefined && {
+      dnsServers: serializeAws_json1_1StringList(input.dnsServers, context)
+    }),
+    ...(input.dockerLabels !== undefined && {
+      dockerLabels: serializeAws_json1_1DockerLabelsMap(
+        input.dockerLabels,
+        context
+      )
+    }),
+    ...(input.dockerSecurityOptions !== undefined && {
+      dockerSecurityOptions: serializeAws_json1_1StringList(
+        input.dockerSecurityOptions,
+        context
+      )
+    }),
+    ...(input.entryPoint !== undefined && {
+      entryPoint: serializeAws_json1_1StringList(input.entryPoint, context)
+    }),
+    ...(input.environment !== undefined && {
+      environment: serializeAws_json1_1EnvironmentVariables(
+        input.environment,
+        context
+      )
+    }),
+    ...(input.essential !== undefined && { essential: input.essential }),
+    ...(input.extraHosts !== undefined && {
+      extraHosts: serializeAws_json1_1HostEntryList(input.extraHosts, context)
+    }),
+    ...(input.firelensConfiguration !== undefined && {
+      firelensConfiguration: serializeAws_json1_1FirelensConfiguration(
+        input.firelensConfiguration,
+        context
+      )
+    }),
+    ...(input.healthCheck !== undefined && {
+      healthCheck: serializeAws_json1_1HealthCheck(input.healthCheck, context)
+    }),
+    ...(input.hostname !== undefined && { hostname: input.hostname }),
+    ...(input.image !== undefined && { image: input.image }),
+    ...(input.interactive !== undefined && { interactive: input.interactive }),
+    ...(input.links !== undefined && {
+      links: serializeAws_json1_1StringList(input.links, context)
+    }),
+    ...(input.linuxParameters !== undefined && {
+      linuxParameters: serializeAws_json1_1LinuxParameters(
+        input.linuxParameters,
+        context
+      )
+    }),
+    ...(input.logConfiguration !== undefined && {
+      logConfiguration: serializeAws_json1_1LogConfiguration(
+        input.logConfiguration,
+        context
+      )
+    }),
+    ...(input.memory !== undefined && { memory: input.memory }),
+    ...(input.memoryReservation !== undefined && {
+      memoryReservation: input.memoryReservation
+    }),
+    ...(input.mountPoints !== undefined && {
+      mountPoints: serializeAws_json1_1MountPointList(
+        input.mountPoints,
+        context
+      )
+    }),
+    ...(input.name !== undefined && { name: input.name }),
+    ...(input.portMappings !== undefined && {
+      portMappings: serializeAws_json1_1PortMappingList(
+        input.portMappings,
+        context
+      )
+    }),
+    ...(input.privileged !== undefined && { privileged: input.privileged }),
+    ...(input.pseudoTerminal !== undefined && {
+      pseudoTerminal: input.pseudoTerminal
+    }),
+    ...(input.readonlyRootFilesystem !== undefined && {
+      readonlyRootFilesystem: input.readonlyRootFilesystem
+    }),
+    ...(input.repositoryCredentials !== undefined && {
+      repositoryCredentials: serializeAws_json1_1RepositoryCredentials(
+        input.repositoryCredentials,
+        context
+      )
+    }),
+    ...(input.resourceRequirements !== undefined && {
+      resourceRequirements: serializeAws_json1_1ResourceRequirements(
+        input.resourceRequirements,
+        context
+      )
+    }),
+    ...(input.secrets !== undefined && {
+      secrets: serializeAws_json1_1SecretList(input.secrets, context)
+    }),
+    ...(input.startTimeout !== undefined && {
+      startTimeout: input.startTimeout
+    }),
+    ...(input.stopTimeout !== undefined && { stopTimeout: input.stopTimeout }),
+    ...(input.systemControls !== undefined && {
+      systemControls: serializeAws_json1_1SystemControls(
+        input.systemControls,
+        context
+      )
+    }),
+    ...(input.ulimits !== undefined && {
+      ulimits: serializeAws_json1_1UlimitList(input.ulimits, context)
+    }),
+    ...(input.user !== undefined && { user: input.user }),
+    ...(input.volumesFrom !== undefined && {
+      volumesFrom: serializeAws_json1_1VolumeFromList(
+        input.volumesFrom,
+        context
+      )
+    }),
+    ...(input.workingDirectory !== undefined && {
+      workingDirectory: input.workingDirectory
+    })
+  };
 };
 
 const serializeAws_json1_1ContainerDefinitions = (
@@ -6843,14 +6774,12 @@ const serializeAws_json1_1ContainerDependency = (
   input: ContainerDependency,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.condition !== undefined) {
-    bodyParams["condition"] = input.condition;
-  }
-  if (input.containerName !== undefined) {
-    bodyParams["containerName"] = input.containerName;
-  }
-  return bodyParams;
+  return {
+    ...(input.condition !== undefined && { condition: input.condition }),
+    ...(input.containerName !== undefined && {
+      containerName: input.containerName
+    })
+  };
 };
 
 const serializeAws_json1_1ContainerInstanceFieldList = (
@@ -6864,40 +6793,29 @@ const serializeAws_json1_1ContainerOverride = (
   input: ContainerOverride,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.command !== undefined) {
-    bodyParams["command"] = serializeAws_json1_1StringList(
-      input.command,
-      context
-    );
-  }
-  if (input.cpu !== undefined) {
-    bodyParams["cpu"] = input.cpu;
-  }
-  if (input.environment !== undefined) {
-    bodyParams["environment"] = serializeAws_json1_1EnvironmentVariables(
-      input.environment,
-      context
-    );
-  }
-  if (input.memory !== undefined) {
-    bodyParams["memory"] = input.memory;
-  }
-  if (input.memoryReservation !== undefined) {
-    bodyParams["memoryReservation"] = input.memoryReservation;
-  }
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  if (input.resourceRequirements !== undefined) {
-    bodyParams[
-      "resourceRequirements"
-    ] = serializeAws_json1_1ResourceRequirements(
-      input.resourceRequirements,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.command !== undefined && {
+      command: serializeAws_json1_1StringList(input.command, context)
+    }),
+    ...(input.cpu !== undefined && { cpu: input.cpu }),
+    ...(input.environment !== undefined && {
+      environment: serializeAws_json1_1EnvironmentVariables(
+        input.environment,
+        context
+      )
+    }),
+    ...(input.memory !== undefined && { memory: input.memory }),
+    ...(input.memoryReservation !== undefined && {
+      memoryReservation: input.memoryReservation
+    }),
+    ...(input.name !== undefined && { name: input.name }),
+    ...(input.resourceRequirements !== undefined && {
+      resourceRequirements: serializeAws_json1_1ResourceRequirements(
+        input.resourceRequirements,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1ContainerOverrides = (
@@ -6913,32 +6831,22 @@ const serializeAws_json1_1ContainerStateChange = (
   input: ContainerStateChange,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.containerName !== undefined) {
-    bodyParams["containerName"] = input.containerName;
-  }
-  if (input.exitCode !== undefined) {
-    bodyParams["exitCode"] = input.exitCode;
-  }
-  if (input.imageDigest !== undefined) {
-    bodyParams["imageDigest"] = input.imageDigest;
-  }
-  if (input.networkBindings !== undefined) {
-    bodyParams["networkBindings"] = serializeAws_json1_1NetworkBindings(
-      input.networkBindings,
-      context
-    );
-  }
-  if (input.reason !== undefined) {
-    bodyParams["reason"] = input.reason;
-  }
-  if (input.runtimeId !== undefined) {
-    bodyParams["runtimeId"] = input.runtimeId;
-  }
-  if (input.status !== undefined) {
-    bodyParams["status"] = input.status;
-  }
-  return bodyParams;
+  return {
+    ...(input.containerName !== undefined && {
+      containerName: input.containerName
+    }),
+    ...(input.exitCode !== undefined && { exitCode: input.exitCode }),
+    ...(input.imageDigest !== undefined && { imageDigest: input.imageDigest }),
+    ...(input.networkBindings !== undefined && {
+      networkBindings: serializeAws_json1_1NetworkBindings(
+        input.networkBindings,
+        context
+      )
+    }),
+    ...(input.reason !== undefined && { reason: input.reason }),
+    ...(input.runtimeId !== undefined && { runtimeId: input.runtimeId }),
+    ...(input.status !== undefined && { status: input.status })
+  };
 };
 
 const serializeAws_json1_1ContainerStateChanges = (
@@ -6954,523 +6862,414 @@ const serializeAws_json1_1CreateCapacityProviderRequest = (
   input: CreateCapacityProviderRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.autoScalingGroupProvider !== undefined) {
-    bodyParams[
-      "autoScalingGroupProvider"
-    ] = serializeAws_json1_1AutoScalingGroupProvider(
-      input.autoScalingGroupProvider,
-      context
-    );
-  }
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  if (input.tags !== undefined) {
-    bodyParams["tags"] = serializeAws_json1_1Tags(input.tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.autoScalingGroupProvider !== undefined && {
+      autoScalingGroupProvider: serializeAws_json1_1AutoScalingGroupProvider(
+        input.autoScalingGroupProvider,
+        context
+      )
+    }),
+    ...(input.name !== undefined && { name: input.name }),
+    ...(input.tags !== undefined && {
+      tags: serializeAws_json1_1Tags(input.tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1CreateClusterRequest = (
   input: CreateClusterRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.capacityProviders !== undefined) {
-    bodyParams["capacityProviders"] = serializeAws_json1_1StringList(
-      input.capacityProviders,
-      context
-    );
-  }
-  if (input.clusterName !== undefined) {
-    bodyParams["clusterName"] = input.clusterName;
-  }
-  if (input.defaultCapacityProviderStrategy !== undefined) {
-    bodyParams[
-      "defaultCapacityProviderStrategy"
-    ] = serializeAws_json1_1CapacityProviderStrategy(
-      input.defaultCapacityProviderStrategy,
-      context
-    );
-  }
-  if (input.settings !== undefined) {
-    bodyParams["settings"] = serializeAws_json1_1ClusterSettings(
-      input.settings,
-      context
-    );
-  }
-  if (input.tags !== undefined) {
-    bodyParams["tags"] = serializeAws_json1_1Tags(input.tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.capacityProviders !== undefined && {
+      capacityProviders: serializeAws_json1_1StringList(
+        input.capacityProviders,
+        context
+      )
+    }),
+    ...(input.clusterName !== undefined && { clusterName: input.clusterName }),
+    ...(input.defaultCapacityProviderStrategy !== undefined && {
+      defaultCapacityProviderStrategy: serializeAws_json1_1CapacityProviderStrategy(
+        input.defaultCapacityProviderStrategy,
+        context
+      )
+    }),
+    ...(input.settings !== undefined && {
+      settings: serializeAws_json1_1ClusterSettings(input.settings, context)
+    }),
+    ...(input.tags !== undefined && {
+      tags: serializeAws_json1_1Tags(input.tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1CreateServiceRequest = (
   input: CreateServiceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.capacityProviderStrategy !== undefined) {
-    bodyParams[
-      "capacityProviderStrategy"
-    ] = serializeAws_json1_1CapacityProviderStrategy(
-      input.capacityProviderStrategy,
-      context
-    );
-  }
-  if (input.clientToken !== undefined) {
-    bodyParams["clientToken"] = input.clientToken;
-  }
-  if (input.cluster !== undefined) {
-    bodyParams["cluster"] = input.cluster;
-  }
-  if (input.deploymentConfiguration !== undefined) {
-    bodyParams[
-      "deploymentConfiguration"
-    ] = serializeAws_json1_1DeploymentConfiguration(
-      input.deploymentConfiguration,
-      context
-    );
-  }
-  if (input.deploymentController !== undefined) {
-    bodyParams[
-      "deploymentController"
-    ] = serializeAws_json1_1DeploymentController(
-      input.deploymentController,
-      context
-    );
-  }
-  if (input.desiredCount !== undefined) {
-    bodyParams["desiredCount"] = input.desiredCount;
-  }
-  if (input.enableECSManagedTags !== undefined) {
-    bodyParams["enableECSManagedTags"] = input.enableECSManagedTags;
-  }
-  if (input.healthCheckGracePeriodSeconds !== undefined) {
-    bodyParams["healthCheckGracePeriodSeconds"] =
-      input.healthCheckGracePeriodSeconds;
-  }
-  if (input.launchType !== undefined) {
-    bodyParams["launchType"] = input.launchType;
-  }
-  if (input.loadBalancers !== undefined) {
-    bodyParams["loadBalancers"] = serializeAws_json1_1LoadBalancers(
-      input.loadBalancers,
-      context
-    );
-  }
-  if (input.networkConfiguration !== undefined) {
-    bodyParams[
-      "networkConfiguration"
-    ] = serializeAws_json1_1NetworkConfiguration(
-      input.networkConfiguration,
-      context
-    );
-  }
-  if (input.placementConstraints !== undefined) {
-    bodyParams[
-      "placementConstraints"
-    ] = serializeAws_json1_1PlacementConstraints(
-      input.placementConstraints,
-      context
-    );
-  }
-  if (input.placementStrategy !== undefined) {
-    bodyParams["placementStrategy"] = serializeAws_json1_1PlacementStrategies(
-      input.placementStrategy,
-      context
-    );
-  }
-  if (input.platformVersion !== undefined) {
-    bodyParams["platformVersion"] = input.platformVersion;
-  }
-  if (input.propagateTags !== undefined) {
-    bodyParams["propagateTags"] = input.propagateTags;
-  }
-  if (input.role !== undefined) {
-    bodyParams["role"] = input.role;
-  }
-  if (input.schedulingStrategy !== undefined) {
-    bodyParams["schedulingStrategy"] = input.schedulingStrategy;
-  }
-  if (input.serviceName !== undefined) {
-    bodyParams["serviceName"] = input.serviceName;
-  }
-  if (input.serviceRegistries !== undefined) {
-    bodyParams["serviceRegistries"] = serializeAws_json1_1ServiceRegistries(
-      input.serviceRegistries,
-      context
-    );
-  }
-  if (input.tags !== undefined) {
-    bodyParams["tags"] = serializeAws_json1_1Tags(input.tags, context);
-  }
-  if (input.taskDefinition !== undefined) {
-    bodyParams["taskDefinition"] = input.taskDefinition;
-  }
-  return bodyParams;
+  return {
+    ...(input.capacityProviderStrategy !== undefined && {
+      capacityProviderStrategy: serializeAws_json1_1CapacityProviderStrategy(
+        input.capacityProviderStrategy,
+        context
+      )
+    }),
+    ...(input.clientToken !== undefined && { clientToken: input.clientToken }),
+    ...(input.cluster !== undefined && { cluster: input.cluster }),
+    ...(input.deploymentConfiguration !== undefined && {
+      deploymentConfiguration: serializeAws_json1_1DeploymentConfiguration(
+        input.deploymentConfiguration,
+        context
+      )
+    }),
+    ...(input.deploymentController !== undefined && {
+      deploymentController: serializeAws_json1_1DeploymentController(
+        input.deploymentController,
+        context
+      )
+    }),
+    ...(input.desiredCount !== undefined && {
+      desiredCount: input.desiredCount
+    }),
+    ...(input.enableECSManagedTags !== undefined && {
+      enableECSManagedTags: input.enableECSManagedTags
+    }),
+    ...(input.healthCheckGracePeriodSeconds !== undefined && {
+      healthCheckGracePeriodSeconds: input.healthCheckGracePeriodSeconds
+    }),
+    ...(input.launchType !== undefined && { launchType: input.launchType }),
+    ...(input.loadBalancers !== undefined && {
+      loadBalancers: serializeAws_json1_1LoadBalancers(
+        input.loadBalancers,
+        context
+      )
+    }),
+    ...(input.networkConfiguration !== undefined && {
+      networkConfiguration: serializeAws_json1_1NetworkConfiguration(
+        input.networkConfiguration,
+        context
+      )
+    }),
+    ...(input.placementConstraints !== undefined && {
+      placementConstraints: serializeAws_json1_1PlacementConstraints(
+        input.placementConstraints,
+        context
+      )
+    }),
+    ...(input.placementStrategy !== undefined && {
+      placementStrategy: serializeAws_json1_1PlacementStrategies(
+        input.placementStrategy,
+        context
+      )
+    }),
+    ...(input.platformVersion !== undefined && {
+      platformVersion: input.platformVersion
+    }),
+    ...(input.propagateTags !== undefined && {
+      propagateTags: input.propagateTags
+    }),
+    ...(input.role !== undefined && { role: input.role }),
+    ...(input.schedulingStrategy !== undefined && {
+      schedulingStrategy: input.schedulingStrategy
+    }),
+    ...(input.serviceName !== undefined && { serviceName: input.serviceName }),
+    ...(input.serviceRegistries !== undefined && {
+      serviceRegistries: serializeAws_json1_1ServiceRegistries(
+        input.serviceRegistries,
+        context
+      )
+    }),
+    ...(input.tags !== undefined && {
+      tags: serializeAws_json1_1Tags(input.tags, context)
+    }),
+    ...(input.taskDefinition !== undefined && {
+      taskDefinition: input.taskDefinition
+    })
+  };
 };
 
 const serializeAws_json1_1CreateTaskSetRequest = (
   input: CreateTaskSetRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.capacityProviderStrategy !== undefined) {
-    bodyParams[
-      "capacityProviderStrategy"
-    ] = serializeAws_json1_1CapacityProviderStrategy(
-      input.capacityProviderStrategy,
-      context
-    );
-  }
-  if (input.clientToken !== undefined) {
-    bodyParams["clientToken"] = input.clientToken;
-  }
-  if (input.cluster !== undefined) {
-    bodyParams["cluster"] = input.cluster;
-  }
-  if (input.externalId !== undefined) {
-    bodyParams["externalId"] = input.externalId;
-  }
-  if (input.launchType !== undefined) {
-    bodyParams["launchType"] = input.launchType;
-  }
-  if (input.loadBalancers !== undefined) {
-    bodyParams["loadBalancers"] = serializeAws_json1_1LoadBalancers(
-      input.loadBalancers,
-      context
-    );
-  }
-  if (input.networkConfiguration !== undefined) {
-    bodyParams[
-      "networkConfiguration"
-    ] = serializeAws_json1_1NetworkConfiguration(
-      input.networkConfiguration,
-      context
-    );
-  }
-  if (input.platformVersion !== undefined) {
-    bodyParams["platformVersion"] = input.platformVersion;
-  }
-  if (input.scale !== undefined) {
-    bodyParams["scale"] = serializeAws_json1_1Scale(input.scale, context);
-  }
-  if (input.service !== undefined) {
-    bodyParams["service"] = input.service;
-  }
-  if (input.serviceRegistries !== undefined) {
-    bodyParams["serviceRegistries"] = serializeAws_json1_1ServiceRegistries(
-      input.serviceRegistries,
-      context
-    );
-  }
-  if (input.taskDefinition !== undefined) {
-    bodyParams["taskDefinition"] = input.taskDefinition;
-  }
-  return bodyParams;
+  return {
+    ...(input.capacityProviderStrategy !== undefined && {
+      capacityProviderStrategy: serializeAws_json1_1CapacityProviderStrategy(
+        input.capacityProviderStrategy,
+        context
+      )
+    }),
+    ...(input.clientToken !== undefined && { clientToken: input.clientToken }),
+    ...(input.cluster !== undefined && { cluster: input.cluster }),
+    ...(input.externalId !== undefined && { externalId: input.externalId }),
+    ...(input.launchType !== undefined && { launchType: input.launchType }),
+    ...(input.loadBalancers !== undefined && {
+      loadBalancers: serializeAws_json1_1LoadBalancers(
+        input.loadBalancers,
+        context
+      )
+    }),
+    ...(input.networkConfiguration !== undefined && {
+      networkConfiguration: serializeAws_json1_1NetworkConfiguration(
+        input.networkConfiguration,
+        context
+      )
+    }),
+    ...(input.platformVersion !== undefined && {
+      platformVersion: input.platformVersion
+    }),
+    ...(input.scale !== undefined && {
+      scale: serializeAws_json1_1Scale(input.scale, context)
+    }),
+    ...(input.service !== undefined && { service: input.service }),
+    ...(input.serviceRegistries !== undefined && {
+      serviceRegistries: serializeAws_json1_1ServiceRegistries(
+        input.serviceRegistries,
+        context
+      )
+    }),
+    ...(input.taskDefinition !== undefined && {
+      taskDefinition: input.taskDefinition
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteAccountSettingRequest = (
   input: DeleteAccountSettingRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  if (input.principalArn !== undefined) {
-    bodyParams["principalArn"] = input.principalArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.name !== undefined && { name: input.name }),
+    ...(input.principalArn !== undefined && {
+      principalArn: input.principalArn
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteAttributesRequest = (
   input: DeleteAttributesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.attributes !== undefined) {
-    bodyParams["attributes"] = serializeAws_json1_1Attributes(
-      input.attributes,
-      context
-    );
-  }
-  if (input.cluster !== undefined) {
-    bodyParams["cluster"] = input.cluster;
-  }
-  return bodyParams;
+  return {
+    ...(input.attributes !== undefined && {
+      attributes: serializeAws_json1_1Attributes(input.attributes, context)
+    }),
+    ...(input.cluster !== undefined && { cluster: input.cluster })
+  };
 };
 
 const serializeAws_json1_1DeleteClusterRequest = (
   input: DeleteClusterRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.cluster !== undefined) {
-    bodyParams["cluster"] = input.cluster;
-  }
-  return bodyParams;
+  return {
+    ...(input.cluster !== undefined && { cluster: input.cluster })
+  };
 };
 
 const serializeAws_json1_1DeleteServiceRequest = (
   input: DeleteServiceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.cluster !== undefined) {
-    bodyParams["cluster"] = input.cluster;
-  }
-  if (input.force !== undefined) {
-    bodyParams["force"] = input.force;
-  }
-  if (input.service !== undefined) {
-    bodyParams["service"] = input.service;
-  }
-  return bodyParams;
+  return {
+    ...(input.cluster !== undefined && { cluster: input.cluster }),
+    ...(input.force !== undefined && { force: input.force }),
+    ...(input.service !== undefined && { service: input.service })
+  };
 };
 
 const serializeAws_json1_1DeleteTaskSetRequest = (
   input: DeleteTaskSetRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.cluster !== undefined) {
-    bodyParams["cluster"] = input.cluster;
-  }
-  if (input.force !== undefined) {
-    bodyParams["force"] = input.force;
-  }
-  if (input.service !== undefined) {
-    bodyParams["service"] = input.service;
-  }
-  if (input.taskSet !== undefined) {
-    bodyParams["taskSet"] = input.taskSet;
-  }
-  return bodyParams;
+  return {
+    ...(input.cluster !== undefined && { cluster: input.cluster }),
+    ...(input.force !== undefined && { force: input.force }),
+    ...(input.service !== undefined && { service: input.service }),
+    ...(input.taskSet !== undefined && { taskSet: input.taskSet })
+  };
 };
 
 const serializeAws_json1_1DeploymentConfiguration = (
   input: DeploymentConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.maximumPercent !== undefined) {
-    bodyParams["maximumPercent"] = input.maximumPercent;
-  }
-  if (input.minimumHealthyPercent !== undefined) {
-    bodyParams["minimumHealthyPercent"] = input.minimumHealthyPercent;
-  }
-  return bodyParams;
+  return {
+    ...(input.maximumPercent !== undefined && {
+      maximumPercent: input.maximumPercent
+    }),
+    ...(input.minimumHealthyPercent !== undefined && {
+      minimumHealthyPercent: input.minimumHealthyPercent
+    })
+  };
 };
 
 const serializeAws_json1_1DeploymentController = (
   input: DeploymentController,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.type !== undefined) {
-    bodyParams["type"] = input.type;
-  }
-  return bodyParams;
+  return {
+    ...(input.type !== undefined && { type: input.type })
+  };
 };
 
 const serializeAws_json1_1DeregisterContainerInstanceRequest = (
   input: DeregisterContainerInstanceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.cluster !== undefined) {
-    bodyParams["cluster"] = input.cluster;
-  }
-  if (input.containerInstance !== undefined) {
-    bodyParams["containerInstance"] = input.containerInstance;
-  }
-  if (input.force !== undefined) {
-    bodyParams["force"] = input.force;
-  }
-  return bodyParams;
+  return {
+    ...(input.cluster !== undefined && { cluster: input.cluster }),
+    ...(input.containerInstance !== undefined && {
+      containerInstance: input.containerInstance
+    }),
+    ...(input.force !== undefined && { force: input.force })
+  };
 };
 
 const serializeAws_json1_1DeregisterTaskDefinitionRequest = (
   input: DeregisterTaskDefinitionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.taskDefinition !== undefined) {
-    bodyParams["taskDefinition"] = input.taskDefinition;
-  }
-  return bodyParams;
+  return {
+    ...(input.taskDefinition !== undefined && {
+      taskDefinition: input.taskDefinition
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeCapacityProvidersRequest = (
   input: DescribeCapacityProvidersRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.capacityProviders !== undefined) {
-    bodyParams["capacityProviders"] = serializeAws_json1_1StringList(
-      input.capacityProviders,
-      context
-    );
-  }
-  if (input.include !== undefined) {
-    bodyParams["include"] = serializeAws_json1_1CapacityProviderFieldList(
-      input.include,
-      context
-    );
-  }
-  if (input.maxResults !== undefined) {
-    bodyParams["maxResults"] = input.maxResults;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.capacityProviders !== undefined && {
+      capacityProviders: serializeAws_json1_1StringList(
+        input.capacityProviders,
+        context
+      )
+    }),
+    ...(input.include !== undefined && {
+      include: serializeAws_json1_1CapacityProviderFieldList(
+        input.include,
+        context
+      )
+    }),
+    ...(input.maxResults !== undefined && { maxResults: input.maxResults }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken })
+  };
 };
 
 const serializeAws_json1_1DescribeClustersRequest = (
   input: DescribeClustersRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.clusters !== undefined) {
-    bodyParams["clusters"] = serializeAws_json1_1StringList(
-      input.clusters,
-      context
-    );
-  }
-  if (input.include !== undefined) {
-    bodyParams["include"] = serializeAws_json1_1ClusterFieldList(
-      input.include,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.clusters !== undefined && {
+      clusters: serializeAws_json1_1StringList(input.clusters, context)
+    }),
+    ...(input.include !== undefined && {
+      include: serializeAws_json1_1ClusterFieldList(input.include, context)
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeContainerInstancesRequest = (
   input: DescribeContainerInstancesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.cluster !== undefined) {
-    bodyParams["cluster"] = input.cluster;
-  }
-  if (input.containerInstances !== undefined) {
-    bodyParams["containerInstances"] = serializeAws_json1_1StringList(
-      input.containerInstances,
-      context
-    );
-  }
-  if (input.include !== undefined) {
-    bodyParams["include"] = serializeAws_json1_1ContainerInstanceFieldList(
-      input.include,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.cluster !== undefined && { cluster: input.cluster }),
+    ...(input.containerInstances !== undefined && {
+      containerInstances: serializeAws_json1_1StringList(
+        input.containerInstances,
+        context
+      )
+    }),
+    ...(input.include !== undefined && {
+      include: serializeAws_json1_1ContainerInstanceFieldList(
+        input.include,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeServicesRequest = (
   input: DescribeServicesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.cluster !== undefined) {
-    bodyParams["cluster"] = input.cluster;
-  }
-  if (input.include !== undefined) {
-    bodyParams["include"] = serializeAws_json1_1ServiceFieldList(
-      input.include,
-      context
-    );
-  }
-  if (input.services !== undefined) {
-    bodyParams["services"] = serializeAws_json1_1StringList(
-      input.services,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.cluster !== undefined && { cluster: input.cluster }),
+    ...(input.include !== undefined && {
+      include: serializeAws_json1_1ServiceFieldList(input.include, context)
+    }),
+    ...(input.services !== undefined && {
+      services: serializeAws_json1_1StringList(input.services, context)
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeTaskDefinitionRequest = (
   input: DescribeTaskDefinitionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.include !== undefined) {
-    bodyParams["include"] = serializeAws_json1_1TaskDefinitionFieldList(
-      input.include,
-      context
-    );
-  }
-  if (input.taskDefinition !== undefined) {
-    bodyParams["taskDefinition"] = input.taskDefinition;
-  }
-  return bodyParams;
+  return {
+    ...(input.include !== undefined && {
+      include: serializeAws_json1_1TaskDefinitionFieldList(
+        input.include,
+        context
+      )
+    }),
+    ...(input.taskDefinition !== undefined && {
+      taskDefinition: input.taskDefinition
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeTaskSetsRequest = (
   input: DescribeTaskSetsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.cluster !== undefined) {
-    bodyParams["cluster"] = input.cluster;
-  }
-  if (input.service !== undefined) {
-    bodyParams["service"] = input.service;
-  }
-  if (input.taskSets !== undefined) {
-    bodyParams["taskSets"] = serializeAws_json1_1StringList(
-      input.taskSets,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.cluster !== undefined && { cluster: input.cluster }),
+    ...(input.service !== undefined && { service: input.service }),
+    ...(input.taskSets !== undefined && {
+      taskSets: serializeAws_json1_1StringList(input.taskSets, context)
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeTasksRequest = (
   input: DescribeTasksRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.cluster !== undefined) {
-    bodyParams["cluster"] = input.cluster;
-  }
-  if (input.include !== undefined) {
-    bodyParams["include"] = serializeAws_json1_1TaskFieldList(
-      input.include,
-      context
-    );
-  }
-  if (input.tasks !== undefined) {
-    bodyParams["tasks"] = serializeAws_json1_1StringList(input.tasks, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.cluster !== undefined && { cluster: input.cluster }),
+    ...(input.include !== undefined && {
+      include: serializeAws_json1_1TaskFieldList(input.include, context)
+    }),
+    ...(input.tasks !== undefined && {
+      tasks: serializeAws_json1_1StringList(input.tasks, context)
+    })
+  };
 };
 
 const serializeAws_json1_1Device = (
   input: Device,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.containerPath !== undefined) {
-    bodyParams["containerPath"] = input.containerPath;
-  }
-  if (input.hostPath !== undefined) {
-    bodyParams["hostPath"] = input.hostPath;
-  }
-  if (input.permissions !== undefined) {
-    bodyParams["permissions"] = serializeAws_json1_1DeviceCgroupPermissions(
-      input.permissions,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.containerPath !== undefined && {
+      containerPath: input.containerPath
+    }),
+    ...(input.hostPath !== undefined && { hostPath: input.hostPath }),
+    ...(input.permissions !== undefined && {
+      permissions: serializeAws_json1_1DeviceCgroupPermissions(
+        input.permissions,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1DeviceCgroupPermissions = (
@@ -7491,14 +7290,12 @@ const serializeAws_json1_1DiscoverPollEndpointRequest = (
   input: DiscoverPollEndpointRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.cluster !== undefined) {
-    bodyParams["cluster"] = input.cluster;
-  }
-  if (input.containerInstance !== undefined) {
-    bodyParams["containerInstance"] = input.containerInstance;
-  }
-  return bodyParams;
+  return {
+    ...(input.cluster !== undefined && { cluster: input.cluster }),
+    ...(input.containerInstance !== undefined && {
+      containerInstance: input.containerInstance
+    })
+  };
 };
 
 const serializeAws_json1_1DockerLabelsMap = (
@@ -7515,40 +7312,33 @@ const serializeAws_json1_1DockerVolumeConfiguration = (
   input: DockerVolumeConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.autoprovision !== undefined) {
-    bodyParams["autoprovision"] = input.autoprovision;
-  }
-  if (input.driver !== undefined) {
-    bodyParams["driver"] = input.driver;
-  }
-  if (input.driverOpts !== undefined) {
-    bodyParams["driverOpts"] = serializeAws_json1_1StringMap(
-      input.driverOpts,
-      context
-    );
-  }
-  if (input.labels !== undefined) {
-    bodyParams["labels"] = serializeAws_json1_1StringMap(input.labels, context);
-  }
-  if (input.scope !== undefined) {
-    bodyParams["scope"] = input.scope;
-  }
-  return bodyParams;
+  return {
+    ...(input.autoprovision !== undefined && {
+      autoprovision: input.autoprovision
+    }),
+    ...(input.driver !== undefined && { driver: input.driver }),
+    ...(input.driverOpts !== undefined && {
+      driverOpts: serializeAws_json1_1StringMap(input.driverOpts, context)
+    }),
+    ...(input.labels !== undefined && {
+      labels: serializeAws_json1_1StringMap(input.labels, context)
+    }),
+    ...(input.scope !== undefined && { scope: input.scope })
+  };
 };
 
 const serializeAws_json1_1EFSVolumeConfiguration = (
   input: EFSVolumeConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.fileSystemId !== undefined) {
-    bodyParams["fileSystemId"] = input.fileSystemId;
-  }
-  if (input.rootDirectory !== undefined) {
-    bodyParams["rootDirectory"] = input.rootDirectory;
-  }
-  return bodyParams;
+  return {
+    ...(input.fileSystemId !== undefined && {
+      fileSystemId: input.fileSystemId
+    }),
+    ...(input.rootDirectory !== undefined && {
+      rootDirectory: input.rootDirectory
+    })
+  };
 };
 
 const serializeAws_json1_1EnvironmentVariables = (
@@ -7562,17 +7352,15 @@ const serializeAws_json1_1FirelensConfiguration = (
   input: FirelensConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.options !== undefined) {
-    bodyParams["options"] = serializeAws_json1_1FirelensConfigurationOptionsMap(
-      input.options,
-      context
-    );
-  }
-  if (input.type !== undefined) {
-    bodyParams["type"] = input.type;
-  }
-  return bodyParams;
+  return {
+    ...(input.options !== undefined && {
+      options: serializeAws_json1_1FirelensConfigurationOptionsMap(
+        input.options,
+        context
+      )
+    }),
+    ...(input.type !== undefined && { type: input.type })
+  };
 };
 
 const serializeAws_json1_1FirelensConfigurationOptionsMap = (
@@ -7589,40 +7377,25 @@ const serializeAws_json1_1HealthCheck = (
   input: HealthCheck,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.command !== undefined) {
-    bodyParams["command"] = serializeAws_json1_1StringList(
-      input.command,
-      context
-    );
-  }
-  if (input.interval !== undefined) {
-    bodyParams["interval"] = input.interval;
-  }
-  if (input.retries !== undefined) {
-    bodyParams["retries"] = input.retries;
-  }
-  if (input.startPeriod !== undefined) {
-    bodyParams["startPeriod"] = input.startPeriod;
-  }
-  if (input.timeout !== undefined) {
-    bodyParams["timeout"] = input.timeout;
-  }
-  return bodyParams;
+  return {
+    ...(input.command !== undefined && {
+      command: serializeAws_json1_1StringList(input.command, context)
+    }),
+    ...(input.interval !== undefined && { interval: input.interval }),
+    ...(input.retries !== undefined && { retries: input.retries }),
+    ...(input.startPeriod !== undefined && { startPeriod: input.startPeriod }),
+    ...(input.timeout !== undefined && { timeout: input.timeout })
+  };
 };
 
 const serializeAws_json1_1HostEntry = (
   input: HostEntry,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.hostname !== undefined) {
-    bodyParams["hostname"] = input.hostname;
-  }
-  if (input.ipAddress !== undefined) {
-    bodyParams["ipAddress"] = input.ipAddress;
-  }
-  return bodyParams;
+  return {
+    ...(input.hostname !== undefined && { hostname: input.hostname }),
+    ...(input.ipAddress !== undefined && { ipAddress: input.ipAddress })
+  };
 };
 
 const serializeAws_json1_1HostEntryList = (
@@ -7636,39 +7409,29 @@ const serializeAws_json1_1HostVolumeProperties = (
   input: HostVolumeProperties,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.sourcePath !== undefined) {
-    bodyParams["sourcePath"] = input.sourcePath;
-  }
-  return bodyParams;
+  return {
+    ...(input.sourcePath !== undefined && { sourcePath: input.sourcePath })
+  };
 };
 
 const serializeAws_json1_1InferenceAccelerator = (
   input: InferenceAccelerator,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.deviceName !== undefined) {
-    bodyParams["deviceName"] = input.deviceName;
-  }
-  if (input.deviceType !== undefined) {
-    bodyParams["deviceType"] = input.deviceType;
-  }
-  return bodyParams;
+  return {
+    ...(input.deviceName !== undefined && { deviceName: input.deviceName }),
+    ...(input.deviceType !== undefined && { deviceType: input.deviceType })
+  };
 };
 
 const serializeAws_json1_1InferenceAcceleratorOverride = (
   input: InferenceAcceleratorOverride,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.deviceName !== undefined) {
-    bodyParams["deviceName"] = input.deviceName;
-  }
-  if (input.deviceType !== undefined) {
-    bodyParams["deviceType"] = input.deviceType;
-  }
-  return bodyParams;
+  return {
+    ...(input.deviceName !== undefined && { deviceName: input.deviceName }),
+    ...(input.deviceType !== undefined && { deviceType: input.deviceType })
+  };
 };
 
 const serializeAws_json1_1InferenceAcceleratorOverrides = (
@@ -7693,284 +7456,205 @@ const serializeAws_json1_1KernelCapabilities = (
   input: KernelCapabilities,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.add !== undefined) {
-    bodyParams["add"] = serializeAws_json1_1StringList(input.add, context);
-  }
-  if (input.drop !== undefined) {
-    bodyParams["drop"] = serializeAws_json1_1StringList(input.drop, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.add !== undefined && {
+      add: serializeAws_json1_1StringList(input.add, context)
+    }),
+    ...(input.drop !== undefined && {
+      drop: serializeAws_json1_1StringList(input.drop, context)
+    })
+  };
 };
 
 const serializeAws_json1_1KeyValuePair = (
   input: KeyValuePair,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  if (input.value !== undefined) {
-    bodyParams["value"] = input.value;
-  }
-  return bodyParams;
+  return {
+    ...(input.name !== undefined && { name: input.name }),
+    ...(input.value !== undefined && { value: input.value })
+  };
 };
 
 const serializeAws_json1_1LinuxParameters = (
   input: LinuxParameters,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.capabilities !== undefined) {
-    bodyParams["capabilities"] = serializeAws_json1_1KernelCapabilities(
-      input.capabilities,
-      context
-    );
-  }
-  if (input.devices !== undefined) {
-    bodyParams["devices"] = serializeAws_json1_1DevicesList(
-      input.devices,
-      context
-    );
-  }
-  if (input.initProcessEnabled !== undefined) {
-    bodyParams["initProcessEnabled"] = input.initProcessEnabled;
-  }
-  if (input.maxSwap !== undefined) {
-    bodyParams["maxSwap"] = input.maxSwap;
-  }
-  if (input.sharedMemorySize !== undefined) {
-    bodyParams["sharedMemorySize"] = input.sharedMemorySize;
-  }
-  if (input.swappiness !== undefined) {
-    bodyParams["swappiness"] = input.swappiness;
-  }
-  if (input.tmpfs !== undefined) {
-    bodyParams["tmpfs"] = serializeAws_json1_1TmpfsList(input.tmpfs, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.capabilities !== undefined && {
+      capabilities: serializeAws_json1_1KernelCapabilities(
+        input.capabilities,
+        context
+      )
+    }),
+    ...(input.devices !== undefined && {
+      devices: serializeAws_json1_1DevicesList(input.devices, context)
+    }),
+    ...(input.initProcessEnabled !== undefined && {
+      initProcessEnabled: input.initProcessEnabled
+    }),
+    ...(input.maxSwap !== undefined && { maxSwap: input.maxSwap }),
+    ...(input.sharedMemorySize !== undefined && {
+      sharedMemorySize: input.sharedMemorySize
+    }),
+    ...(input.swappiness !== undefined && { swappiness: input.swappiness }),
+    ...(input.tmpfs !== undefined && {
+      tmpfs: serializeAws_json1_1TmpfsList(input.tmpfs, context)
+    })
+  };
 };
 
 const serializeAws_json1_1ListAccountSettingsRequest = (
   input: ListAccountSettingsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.effectiveSettings !== undefined) {
-    bodyParams["effectiveSettings"] = input.effectiveSettings;
-  }
-  if (input.maxResults !== undefined) {
-    bodyParams["maxResults"] = input.maxResults;
-  }
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  if (input.principalArn !== undefined) {
-    bodyParams["principalArn"] = input.principalArn;
-  }
-  if (input.value !== undefined) {
-    bodyParams["value"] = input.value;
-  }
-  return bodyParams;
+  return {
+    ...(input.effectiveSettings !== undefined && {
+      effectiveSettings: input.effectiveSettings
+    }),
+    ...(input.maxResults !== undefined && { maxResults: input.maxResults }),
+    ...(input.name !== undefined && { name: input.name }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken }),
+    ...(input.principalArn !== undefined && {
+      principalArn: input.principalArn
+    }),
+    ...(input.value !== undefined && { value: input.value })
+  };
 };
 
 const serializeAws_json1_1ListAttributesRequest = (
   input: ListAttributesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.attributeName !== undefined) {
-    bodyParams["attributeName"] = input.attributeName;
-  }
-  if (input.attributeValue !== undefined) {
-    bodyParams["attributeValue"] = input.attributeValue;
-  }
-  if (input.cluster !== undefined) {
-    bodyParams["cluster"] = input.cluster;
-  }
-  if (input.maxResults !== undefined) {
-    bodyParams["maxResults"] = input.maxResults;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  if (input.targetType !== undefined) {
-    bodyParams["targetType"] = input.targetType;
-  }
-  return bodyParams;
+  return {
+    ...(input.attributeName !== undefined && {
+      attributeName: input.attributeName
+    }),
+    ...(input.attributeValue !== undefined && {
+      attributeValue: input.attributeValue
+    }),
+    ...(input.cluster !== undefined && { cluster: input.cluster }),
+    ...(input.maxResults !== undefined && { maxResults: input.maxResults }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken }),
+    ...(input.targetType !== undefined && { targetType: input.targetType })
+  };
 };
 
 const serializeAws_json1_1ListClustersRequest = (
   input: ListClustersRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.maxResults !== undefined) {
-    bodyParams["maxResults"] = input.maxResults;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.maxResults !== undefined && { maxResults: input.maxResults }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken })
+  };
 };
 
 const serializeAws_json1_1ListContainerInstancesRequest = (
   input: ListContainerInstancesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.cluster !== undefined) {
-    bodyParams["cluster"] = input.cluster;
-  }
-  if (input.filter !== undefined) {
-    bodyParams["filter"] = input.filter;
-  }
-  if (input.maxResults !== undefined) {
-    bodyParams["maxResults"] = input.maxResults;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  if (input.status !== undefined) {
-    bodyParams["status"] = input.status;
-  }
-  return bodyParams;
+  return {
+    ...(input.cluster !== undefined && { cluster: input.cluster }),
+    ...(input.filter !== undefined && { filter: input.filter }),
+    ...(input.maxResults !== undefined && { maxResults: input.maxResults }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken }),
+    ...(input.status !== undefined && { status: input.status })
+  };
 };
 
 const serializeAws_json1_1ListServicesRequest = (
   input: ListServicesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.cluster !== undefined) {
-    bodyParams["cluster"] = input.cluster;
-  }
-  if (input.launchType !== undefined) {
-    bodyParams["launchType"] = input.launchType;
-  }
-  if (input.maxResults !== undefined) {
-    bodyParams["maxResults"] = input.maxResults;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  if (input.schedulingStrategy !== undefined) {
-    bodyParams["schedulingStrategy"] = input.schedulingStrategy;
-  }
-  return bodyParams;
+  return {
+    ...(input.cluster !== undefined && { cluster: input.cluster }),
+    ...(input.launchType !== undefined && { launchType: input.launchType }),
+    ...(input.maxResults !== undefined && { maxResults: input.maxResults }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken }),
+    ...(input.schedulingStrategy !== undefined && {
+      schedulingStrategy: input.schedulingStrategy
+    })
+  };
 };
 
 const serializeAws_json1_1ListTagsForResourceRequest = (
   input: ListTagsForResourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.resourceArn !== undefined) {
-    bodyParams["resourceArn"] = input.resourceArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.resourceArn !== undefined && { resourceArn: input.resourceArn })
+  };
 };
 
 const serializeAws_json1_1ListTaskDefinitionFamiliesRequest = (
   input: ListTaskDefinitionFamiliesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.familyPrefix !== undefined) {
-    bodyParams["familyPrefix"] = input.familyPrefix;
-  }
-  if (input.maxResults !== undefined) {
-    bodyParams["maxResults"] = input.maxResults;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  if (input.status !== undefined) {
-    bodyParams["status"] = input.status;
-  }
-  return bodyParams;
+  return {
+    ...(input.familyPrefix !== undefined && {
+      familyPrefix: input.familyPrefix
+    }),
+    ...(input.maxResults !== undefined && { maxResults: input.maxResults }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken }),
+    ...(input.status !== undefined && { status: input.status })
+  };
 };
 
 const serializeAws_json1_1ListTaskDefinitionsRequest = (
   input: ListTaskDefinitionsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.familyPrefix !== undefined) {
-    bodyParams["familyPrefix"] = input.familyPrefix;
-  }
-  if (input.maxResults !== undefined) {
-    bodyParams["maxResults"] = input.maxResults;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  if (input.sort !== undefined) {
-    bodyParams["sort"] = input.sort;
-  }
-  if (input.status !== undefined) {
-    bodyParams["status"] = input.status;
-  }
-  return bodyParams;
+  return {
+    ...(input.familyPrefix !== undefined && {
+      familyPrefix: input.familyPrefix
+    }),
+    ...(input.maxResults !== undefined && { maxResults: input.maxResults }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken }),
+    ...(input.sort !== undefined && { sort: input.sort }),
+    ...(input.status !== undefined && { status: input.status })
+  };
 };
 
 const serializeAws_json1_1ListTasksRequest = (
   input: ListTasksRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.cluster !== undefined) {
-    bodyParams["cluster"] = input.cluster;
-  }
-  if (input.containerInstance !== undefined) {
-    bodyParams["containerInstance"] = input.containerInstance;
-  }
-  if (input.desiredStatus !== undefined) {
-    bodyParams["desiredStatus"] = input.desiredStatus;
-  }
-  if (input.family !== undefined) {
-    bodyParams["family"] = input.family;
-  }
-  if (input.launchType !== undefined) {
-    bodyParams["launchType"] = input.launchType;
-  }
-  if (input.maxResults !== undefined) {
-    bodyParams["maxResults"] = input.maxResults;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  if (input.serviceName !== undefined) {
-    bodyParams["serviceName"] = input.serviceName;
-  }
-  if (input.startedBy !== undefined) {
-    bodyParams["startedBy"] = input.startedBy;
-  }
-  return bodyParams;
+  return {
+    ...(input.cluster !== undefined && { cluster: input.cluster }),
+    ...(input.containerInstance !== undefined && {
+      containerInstance: input.containerInstance
+    }),
+    ...(input.desiredStatus !== undefined && {
+      desiredStatus: input.desiredStatus
+    }),
+    ...(input.family !== undefined && { family: input.family }),
+    ...(input.launchType !== undefined && { launchType: input.launchType }),
+    ...(input.maxResults !== undefined && { maxResults: input.maxResults }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken }),
+    ...(input.serviceName !== undefined && { serviceName: input.serviceName }),
+    ...(input.startedBy !== undefined && { startedBy: input.startedBy })
+  };
 };
 
 const serializeAws_json1_1LoadBalancer = (
   input: LoadBalancer,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.containerName !== undefined) {
-    bodyParams["containerName"] = input.containerName;
-  }
-  if (input.containerPort !== undefined) {
-    bodyParams["containerPort"] = input.containerPort;
-  }
-  if (input.loadBalancerName !== undefined) {
-    bodyParams["loadBalancerName"] = input.loadBalancerName;
-  }
-  if (input.targetGroupArn !== undefined) {
-    bodyParams["targetGroupArn"] = input.targetGroupArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.containerName !== undefined && {
+      containerName: input.containerName
+    }),
+    ...(input.containerPort !== undefined && {
+      containerPort: input.containerPort
+    }),
+    ...(input.loadBalancerName !== undefined && {
+      loadBalancerName: input.loadBalancerName
+    }),
+    ...(input.targetGroupArn !== undefined && {
+      targetGroupArn: input.targetGroupArn
+    })
+  };
 };
 
 const serializeAws_json1_1LoadBalancers = (
@@ -7984,23 +7668,21 @@ const serializeAws_json1_1LogConfiguration = (
   input: LogConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.logDriver !== undefined) {
-    bodyParams["logDriver"] = input.logDriver;
-  }
-  if (input.options !== undefined) {
-    bodyParams["options"] = serializeAws_json1_1LogConfigurationOptionsMap(
-      input.options,
-      context
-    );
-  }
-  if (input.secretOptions !== undefined) {
-    bodyParams["secretOptions"] = serializeAws_json1_1SecretList(
-      input.secretOptions,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.logDriver !== undefined && { logDriver: input.logDriver }),
+    ...(input.options !== undefined && {
+      options: serializeAws_json1_1LogConfigurationOptionsMap(
+        input.options,
+        context
+      )
+    }),
+    ...(input.secretOptions !== undefined && {
+      secretOptions: serializeAws_json1_1SecretList(
+        input.secretOptions,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1LogConfigurationOptionsMap = (
@@ -8017,37 +7699,33 @@ const serializeAws_json1_1ManagedScaling = (
   input: ManagedScaling,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.maximumScalingStepSize !== undefined) {
-    bodyParams["maximumScalingStepSize"] = input.maximumScalingStepSize;
-  }
-  if (input.minimumScalingStepSize !== undefined) {
-    bodyParams["minimumScalingStepSize"] = input.minimumScalingStepSize;
-  }
-  if (input.status !== undefined) {
-    bodyParams["status"] = input.status;
-  }
-  if (input.targetCapacity !== undefined) {
-    bodyParams["targetCapacity"] = input.targetCapacity;
-  }
-  return bodyParams;
+  return {
+    ...(input.maximumScalingStepSize !== undefined && {
+      maximumScalingStepSize: input.maximumScalingStepSize
+    }),
+    ...(input.minimumScalingStepSize !== undefined && {
+      minimumScalingStepSize: input.minimumScalingStepSize
+    }),
+    ...(input.status !== undefined && { status: input.status }),
+    ...(input.targetCapacity !== undefined && {
+      targetCapacity: input.targetCapacity
+    })
+  };
 };
 
 const serializeAws_json1_1MountPoint = (
   input: MountPoint,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.containerPath !== undefined) {
-    bodyParams["containerPath"] = input.containerPath;
-  }
-  if (input.readOnly !== undefined) {
-    bodyParams["readOnly"] = input.readOnly;
-  }
-  if (input.sourceVolume !== undefined) {
-    bodyParams["sourceVolume"] = input.sourceVolume;
-  }
-  return bodyParams;
+  return {
+    ...(input.containerPath !== undefined && {
+      containerPath: input.containerPath
+    }),
+    ...(input.readOnly !== undefined && { readOnly: input.readOnly }),
+    ...(input.sourceVolume !== undefined && {
+      sourceVolume: input.sourceVolume
+    })
+  };
 };
 
 const serializeAws_json1_1MountPointList = (
@@ -8061,20 +7739,14 @@ const serializeAws_json1_1NetworkBinding = (
   input: NetworkBinding,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.bindIP !== undefined) {
-    bodyParams["bindIP"] = input.bindIP;
-  }
-  if (input.containerPort !== undefined) {
-    bodyParams["containerPort"] = input.containerPort;
-  }
-  if (input.hostPort !== undefined) {
-    bodyParams["hostPort"] = input.hostPort;
-  }
-  if (input.protocol !== undefined) {
-    bodyParams["protocol"] = input.protocol;
-  }
-  return bodyParams;
+  return {
+    ...(input.bindIP !== undefined && { bindIP: input.bindIP }),
+    ...(input.containerPort !== undefined && {
+      containerPort: input.containerPort
+    }),
+    ...(input.hostPort !== undefined && { hostPort: input.hostPort }),
+    ...(input.protocol !== undefined && { protocol: input.protocol })
+  };
 };
 
 const serializeAws_json1_1NetworkBindings = (
@@ -8088,28 +7760,24 @@ const serializeAws_json1_1NetworkConfiguration = (
   input: NetworkConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.awsvpcConfiguration !== undefined) {
-    bodyParams["awsvpcConfiguration"] = serializeAws_json1_1AwsVpcConfiguration(
-      input.awsvpcConfiguration,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.awsvpcConfiguration !== undefined && {
+      awsvpcConfiguration: serializeAws_json1_1AwsVpcConfiguration(
+        input.awsvpcConfiguration,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1PlacementConstraint = (
   input: PlacementConstraint,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.expression !== undefined) {
-    bodyParams["expression"] = input.expression;
-  }
-  if (input.type !== undefined) {
-    bodyParams["type"] = input.type;
-  }
-  return bodyParams;
+  return {
+    ...(input.expression !== undefined && { expression: input.expression }),
+    ...(input.type !== undefined && { type: input.type })
+  };
 };
 
 const serializeAws_json1_1PlacementConstraints = (
@@ -8134,28 +7802,20 @@ const serializeAws_json1_1PlacementStrategy = (
   input: PlacementStrategy,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.field !== undefined) {
-    bodyParams["field"] = input.field;
-  }
-  if (input.type !== undefined) {
-    bodyParams["type"] = input.type;
-  }
-  return bodyParams;
+  return {
+    ...(input.field !== undefined && { field: input.field }),
+    ...(input.type !== undefined && { type: input.type })
+  };
 };
 
 const serializeAws_json1_1PlatformDevice = (
   input: PlatformDevice,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.id !== undefined) {
-    bodyParams["id"] = input.id;
-  }
-  if (input.type !== undefined) {
-    bodyParams["type"] = input.type;
-  }
-  return bodyParams;
+  return {
+    ...(input.id !== undefined && { id: input.id }),
+    ...(input.type !== undefined && { type: input.type })
+  };
 };
 
 const serializeAws_json1_1PlatformDevices = (
@@ -8169,17 +7829,13 @@ const serializeAws_json1_1PortMapping = (
   input: PortMapping,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.containerPort !== undefined) {
-    bodyParams["containerPort"] = input.containerPort;
-  }
-  if (input.hostPort !== undefined) {
-    bodyParams["hostPort"] = input.hostPort;
-  }
-  if (input.protocol !== undefined) {
-    bodyParams["protocol"] = input.protocol;
-  }
-  return bodyParams;
+  return {
+    ...(input.containerPort !== undefined && {
+      containerPort: input.containerPort
+    }),
+    ...(input.hostPort !== undefined && { hostPort: input.hostPort }),
+    ...(input.protocol !== undefined && { protocol: input.protocol })
+  };
 };
 
 const serializeAws_json1_1PortMappingList = (
@@ -8193,20 +7849,18 @@ const serializeAws_json1_1ProxyConfiguration = (
   input: ProxyConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.containerName !== undefined) {
-    bodyParams["containerName"] = input.containerName;
-  }
-  if (input.properties !== undefined) {
-    bodyParams["properties"] = serializeAws_json1_1ProxyConfigurationProperties(
-      input.properties,
-      context
-    );
-  }
-  if (input.type !== undefined) {
-    bodyParams["type"] = input.type;
-  }
-  return bodyParams;
+  return {
+    ...(input.containerName !== undefined && {
+      containerName: input.containerName
+    }),
+    ...(input.properties !== undefined && {
+      properties: serializeAws_json1_1ProxyConfigurationProperties(
+        input.properties,
+        context
+      )
+    }),
+    ...(input.type !== undefined && { type: input.type })
+  };
 };
 
 const serializeAws_json1_1ProxyConfigurationProperties = (
@@ -8220,254 +7874,191 @@ const serializeAws_json1_1PutAccountSettingDefaultRequest = (
   input: PutAccountSettingDefaultRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  if (input.value !== undefined) {
-    bodyParams["value"] = input.value;
-  }
-  return bodyParams;
+  return {
+    ...(input.name !== undefined && { name: input.name }),
+    ...(input.value !== undefined && { value: input.value })
+  };
 };
 
 const serializeAws_json1_1PutAccountSettingRequest = (
   input: PutAccountSettingRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  if (input.principalArn !== undefined) {
-    bodyParams["principalArn"] = input.principalArn;
-  }
-  if (input.value !== undefined) {
-    bodyParams["value"] = input.value;
-  }
-  return bodyParams;
+  return {
+    ...(input.name !== undefined && { name: input.name }),
+    ...(input.principalArn !== undefined && {
+      principalArn: input.principalArn
+    }),
+    ...(input.value !== undefined && { value: input.value })
+  };
 };
 
 const serializeAws_json1_1PutAttributesRequest = (
   input: PutAttributesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.attributes !== undefined) {
-    bodyParams["attributes"] = serializeAws_json1_1Attributes(
-      input.attributes,
-      context
-    );
-  }
-  if (input.cluster !== undefined) {
-    bodyParams["cluster"] = input.cluster;
-  }
-  return bodyParams;
+  return {
+    ...(input.attributes !== undefined && {
+      attributes: serializeAws_json1_1Attributes(input.attributes, context)
+    }),
+    ...(input.cluster !== undefined && { cluster: input.cluster })
+  };
 };
 
 const serializeAws_json1_1PutClusterCapacityProvidersRequest = (
   input: PutClusterCapacityProvidersRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.capacityProviders !== undefined) {
-    bodyParams["capacityProviders"] = serializeAws_json1_1StringList(
-      input.capacityProviders,
-      context
-    );
-  }
-  if (input.cluster !== undefined) {
-    bodyParams["cluster"] = input.cluster;
-  }
-  if (input.defaultCapacityProviderStrategy !== undefined) {
-    bodyParams[
-      "defaultCapacityProviderStrategy"
-    ] = serializeAws_json1_1CapacityProviderStrategy(
-      input.defaultCapacityProviderStrategy,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.capacityProviders !== undefined && {
+      capacityProviders: serializeAws_json1_1StringList(
+        input.capacityProviders,
+        context
+      )
+    }),
+    ...(input.cluster !== undefined && { cluster: input.cluster }),
+    ...(input.defaultCapacityProviderStrategy !== undefined && {
+      defaultCapacityProviderStrategy: serializeAws_json1_1CapacityProviderStrategy(
+        input.defaultCapacityProviderStrategy,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1RegisterContainerInstanceRequest = (
   input: RegisterContainerInstanceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.attributes !== undefined) {
-    bodyParams["attributes"] = serializeAws_json1_1Attributes(
-      input.attributes,
-      context
-    );
-  }
-  if (input.cluster !== undefined) {
-    bodyParams["cluster"] = input.cluster;
-  }
-  if (input.containerInstanceArn !== undefined) {
-    bodyParams["containerInstanceArn"] = input.containerInstanceArn;
-  }
-  if (input.instanceIdentityDocument !== undefined) {
-    bodyParams["instanceIdentityDocument"] = input.instanceIdentityDocument;
-  }
-  if (input.instanceIdentityDocumentSignature !== undefined) {
-    bodyParams["instanceIdentityDocumentSignature"] =
-      input.instanceIdentityDocumentSignature;
-  }
-  if (input.platformDevices !== undefined) {
-    bodyParams["platformDevices"] = serializeAws_json1_1PlatformDevices(
-      input.platformDevices,
-      context
-    );
-  }
-  if (input.tags !== undefined) {
-    bodyParams["tags"] = serializeAws_json1_1Tags(input.tags, context);
-  }
-  if (input.totalResources !== undefined) {
-    bodyParams["totalResources"] = serializeAws_json1_1Resources(
-      input.totalResources,
-      context
-    );
-  }
-  if (input.versionInfo !== undefined) {
-    bodyParams["versionInfo"] = serializeAws_json1_1VersionInfo(
-      input.versionInfo,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.attributes !== undefined && {
+      attributes: serializeAws_json1_1Attributes(input.attributes, context)
+    }),
+    ...(input.cluster !== undefined && { cluster: input.cluster }),
+    ...(input.containerInstanceArn !== undefined && {
+      containerInstanceArn: input.containerInstanceArn
+    }),
+    ...(input.instanceIdentityDocument !== undefined && {
+      instanceIdentityDocument: input.instanceIdentityDocument
+    }),
+    ...(input.instanceIdentityDocumentSignature !== undefined && {
+      instanceIdentityDocumentSignature: input.instanceIdentityDocumentSignature
+    }),
+    ...(input.platformDevices !== undefined && {
+      platformDevices: serializeAws_json1_1PlatformDevices(
+        input.platformDevices,
+        context
+      )
+    }),
+    ...(input.tags !== undefined && {
+      tags: serializeAws_json1_1Tags(input.tags, context)
+    }),
+    ...(input.totalResources !== undefined && {
+      totalResources: serializeAws_json1_1Resources(
+        input.totalResources,
+        context
+      )
+    }),
+    ...(input.versionInfo !== undefined && {
+      versionInfo: serializeAws_json1_1VersionInfo(input.versionInfo, context)
+    })
+  };
 };
 
 const serializeAws_json1_1RegisterTaskDefinitionRequest = (
   input: RegisterTaskDefinitionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.containerDefinitions !== undefined) {
-    bodyParams[
-      "containerDefinitions"
-    ] = serializeAws_json1_1ContainerDefinitions(
-      input.containerDefinitions,
-      context
-    );
-  }
-  if (input.cpu !== undefined) {
-    bodyParams["cpu"] = input.cpu;
-  }
-  if (input.executionRoleArn !== undefined) {
-    bodyParams["executionRoleArn"] = input.executionRoleArn;
-  }
-  if (input.family !== undefined) {
-    bodyParams["family"] = input.family;
-  }
-  if (input.inferenceAccelerators !== undefined) {
-    bodyParams[
-      "inferenceAccelerators"
-    ] = serializeAws_json1_1InferenceAccelerators(
-      input.inferenceAccelerators,
-      context
-    );
-  }
-  if (input.ipcMode !== undefined) {
-    bodyParams["ipcMode"] = input.ipcMode;
-  }
-  if (input.memory !== undefined) {
-    bodyParams["memory"] = input.memory;
-  }
-  if (input.networkMode !== undefined) {
-    bodyParams["networkMode"] = input.networkMode;
-  }
-  if (input.pidMode !== undefined) {
-    bodyParams["pidMode"] = input.pidMode;
-  }
-  if (input.placementConstraints !== undefined) {
-    bodyParams[
-      "placementConstraints"
-    ] = serializeAws_json1_1TaskDefinitionPlacementConstraints(
-      input.placementConstraints,
-      context
-    );
-  }
-  if (input.proxyConfiguration !== undefined) {
-    bodyParams["proxyConfiguration"] = serializeAws_json1_1ProxyConfiguration(
-      input.proxyConfiguration,
-      context
-    );
-  }
-  if (input.requiresCompatibilities !== undefined) {
-    bodyParams[
-      "requiresCompatibilities"
-    ] = serializeAws_json1_1CompatibilityList(
-      input.requiresCompatibilities,
-      context
-    );
-  }
-  if (input.tags !== undefined) {
-    bodyParams["tags"] = serializeAws_json1_1Tags(input.tags, context);
-  }
-  if (input.taskRoleArn !== undefined) {
-    bodyParams["taskRoleArn"] = input.taskRoleArn;
-  }
-  if (input.volumes !== undefined) {
-    bodyParams["volumes"] = serializeAws_json1_1VolumeList(
-      input.volumes,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.containerDefinitions !== undefined && {
+      containerDefinitions: serializeAws_json1_1ContainerDefinitions(
+        input.containerDefinitions,
+        context
+      )
+    }),
+    ...(input.cpu !== undefined && { cpu: input.cpu }),
+    ...(input.executionRoleArn !== undefined && {
+      executionRoleArn: input.executionRoleArn
+    }),
+    ...(input.family !== undefined && { family: input.family }),
+    ...(input.inferenceAccelerators !== undefined && {
+      inferenceAccelerators: serializeAws_json1_1InferenceAccelerators(
+        input.inferenceAccelerators,
+        context
+      )
+    }),
+    ...(input.ipcMode !== undefined && { ipcMode: input.ipcMode }),
+    ...(input.memory !== undefined && { memory: input.memory }),
+    ...(input.networkMode !== undefined && { networkMode: input.networkMode }),
+    ...(input.pidMode !== undefined && { pidMode: input.pidMode }),
+    ...(input.placementConstraints !== undefined && {
+      placementConstraints: serializeAws_json1_1TaskDefinitionPlacementConstraints(
+        input.placementConstraints,
+        context
+      )
+    }),
+    ...(input.proxyConfiguration !== undefined && {
+      proxyConfiguration: serializeAws_json1_1ProxyConfiguration(
+        input.proxyConfiguration,
+        context
+      )
+    }),
+    ...(input.requiresCompatibilities !== undefined && {
+      requiresCompatibilities: serializeAws_json1_1CompatibilityList(
+        input.requiresCompatibilities,
+        context
+      )
+    }),
+    ...(input.tags !== undefined && {
+      tags: serializeAws_json1_1Tags(input.tags, context)
+    }),
+    ...(input.taskRoleArn !== undefined && { taskRoleArn: input.taskRoleArn }),
+    ...(input.volumes !== undefined && {
+      volumes: serializeAws_json1_1VolumeList(input.volumes, context)
+    })
+  };
 };
 
 const serializeAws_json1_1RepositoryCredentials = (
   input: RepositoryCredentials,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.credentialsParameter !== undefined) {
-    bodyParams["credentialsParameter"] = input.credentialsParameter;
-  }
-  return bodyParams;
+  return {
+    ...(input.credentialsParameter !== undefined && {
+      credentialsParameter: input.credentialsParameter
+    })
+  };
 };
 
 const serializeAws_json1_1Resource = (
   input: Resource,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.doubleValue !== undefined) {
-    bodyParams["doubleValue"] = input.doubleValue;
-  }
-  if (input.integerValue !== undefined) {
-    bodyParams["integerValue"] = input.integerValue;
-  }
-  if (input.longValue !== undefined) {
-    bodyParams["longValue"] = input.longValue;
-  }
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  if (input.stringSetValue !== undefined) {
-    bodyParams["stringSetValue"] = serializeAws_json1_1StringList(
-      input.stringSetValue,
-      context
-    );
-  }
-  if (input.type !== undefined) {
-    bodyParams["type"] = input.type;
-  }
-  return bodyParams;
+  return {
+    ...(input.doubleValue !== undefined && { doubleValue: input.doubleValue }),
+    ...(input.integerValue !== undefined && {
+      integerValue: input.integerValue
+    }),
+    ...(input.longValue !== undefined && { longValue: input.longValue }),
+    ...(input.name !== undefined && { name: input.name }),
+    ...(input.stringSetValue !== undefined && {
+      stringSetValue: serializeAws_json1_1StringList(
+        input.stringSetValue,
+        context
+      )
+    }),
+    ...(input.type !== undefined && { type: input.type })
+  };
 };
 
 const serializeAws_json1_1ResourceRequirement = (
   input: ResourceRequirement,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.type !== undefined) {
-    bodyParams["type"] = input.type;
-  }
-  if (input.value !== undefined) {
-    bodyParams["value"] = input.value;
-  }
-  return bodyParams;
+  return {
+    ...(input.type !== undefined && { type: input.type }),
+    ...(input.value !== undefined && { value: input.value })
+  };
 };
 
 const serializeAws_json1_1ResourceRequirements = (
@@ -8490,105 +8081,76 @@ const serializeAws_json1_1RunTaskRequest = (
   input: RunTaskRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.capacityProviderStrategy !== undefined) {
-    bodyParams[
-      "capacityProviderStrategy"
-    ] = serializeAws_json1_1CapacityProviderStrategy(
-      input.capacityProviderStrategy,
-      context
-    );
-  }
-  if (input.cluster !== undefined) {
-    bodyParams["cluster"] = input.cluster;
-  }
-  if (input.count !== undefined) {
-    bodyParams["count"] = input.count;
-  }
-  if (input.enableECSManagedTags !== undefined) {
-    bodyParams["enableECSManagedTags"] = input.enableECSManagedTags;
-  }
-  if (input.group !== undefined) {
-    bodyParams["group"] = input.group;
-  }
-  if (input.launchType !== undefined) {
-    bodyParams["launchType"] = input.launchType;
-  }
-  if (input.networkConfiguration !== undefined) {
-    bodyParams[
-      "networkConfiguration"
-    ] = serializeAws_json1_1NetworkConfiguration(
-      input.networkConfiguration,
-      context
-    );
-  }
-  if (input.overrides !== undefined) {
-    bodyParams["overrides"] = serializeAws_json1_1TaskOverride(
-      input.overrides,
-      context
-    );
-  }
-  if (input.placementConstraints !== undefined) {
-    bodyParams[
-      "placementConstraints"
-    ] = serializeAws_json1_1PlacementConstraints(
-      input.placementConstraints,
-      context
-    );
-  }
-  if (input.placementStrategy !== undefined) {
-    bodyParams["placementStrategy"] = serializeAws_json1_1PlacementStrategies(
-      input.placementStrategy,
-      context
-    );
-  }
-  if (input.platformVersion !== undefined) {
-    bodyParams["platformVersion"] = input.platformVersion;
-  }
-  if (input.propagateTags !== undefined) {
-    bodyParams["propagateTags"] = input.propagateTags;
-  }
-  if (input.referenceId !== undefined) {
-    bodyParams["referenceId"] = input.referenceId;
-  }
-  if (input.startedBy !== undefined) {
-    bodyParams["startedBy"] = input.startedBy;
-  }
-  if (input.tags !== undefined) {
-    bodyParams["tags"] = serializeAws_json1_1Tags(input.tags, context);
-  }
-  if (input.taskDefinition !== undefined) {
-    bodyParams["taskDefinition"] = input.taskDefinition;
-  }
-  return bodyParams;
+  return {
+    ...(input.capacityProviderStrategy !== undefined && {
+      capacityProviderStrategy: serializeAws_json1_1CapacityProviderStrategy(
+        input.capacityProviderStrategy,
+        context
+      )
+    }),
+    ...(input.cluster !== undefined && { cluster: input.cluster }),
+    ...(input.count !== undefined && { count: input.count }),
+    ...(input.enableECSManagedTags !== undefined && {
+      enableECSManagedTags: input.enableECSManagedTags
+    }),
+    ...(input.group !== undefined && { group: input.group }),
+    ...(input.launchType !== undefined && { launchType: input.launchType }),
+    ...(input.networkConfiguration !== undefined && {
+      networkConfiguration: serializeAws_json1_1NetworkConfiguration(
+        input.networkConfiguration,
+        context
+      )
+    }),
+    ...(input.overrides !== undefined && {
+      overrides: serializeAws_json1_1TaskOverride(input.overrides, context)
+    }),
+    ...(input.placementConstraints !== undefined && {
+      placementConstraints: serializeAws_json1_1PlacementConstraints(
+        input.placementConstraints,
+        context
+      )
+    }),
+    ...(input.placementStrategy !== undefined && {
+      placementStrategy: serializeAws_json1_1PlacementStrategies(
+        input.placementStrategy,
+        context
+      )
+    }),
+    ...(input.platformVersion !== undefined && {
+      platformVersion: input.platformVersion
+    }),
+    ...(input.propagateTags !== undefined && {
+      propagateTags: input.propagateTags
+    }),
+    ...(input.referenceId !== undefined && { referenceId: input.referenceId }),
+    ...(input.startedBy !== undefined && { startedBy: input.startedBy }),
+    ...(input.tags !== undefined && {
+      tags: serializeAws_json1_1Tags(input.tags, context)
+    }),
+    ...(input.taskDefinition !== undefined && {
+      taskDefinition: input.taskDefinition
+    })
+  };
 };
 
 const serializeAws_json1_1Scale = (
   input: Scale,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.unit !== undefined) {
-    bodyParams["unit"] = input.unit;
-  }
-  if (input.value !== undefined) {
-    bodyParams["value"] = input.value;
-  }
-  return bodyParams;
+  return {
+    ...(input.unit !== undefined && { unit: input.unit }),
+    ...(input.value !== undefined && { value: input.value })
+  };
 };
 
 const serializeAws_json1_1Secret = (
   input: Secret,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  if (input.valueFrom !== undefined) {
-    bodyParams["valueFrom"] = input.valueFrom;
-  }
-  return bodyParams;
+  return {
+    ...(input.name !== undefined && { name: input.name }),
+    ...(input.valueFrom !== undefined && { valueFrom: input.valueFrom })
+  };
 };
 
 const serializeAws_json1_1SecretList = (
@@ -8618,89 +8180,66 @@ const serializeAws_json1_1ServiceRegistry = (
   input: ServiceRegistry,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.containerName !== undefined) {
-    bodyParams["containerName"] = input.containerName;
-  }
-  if (input.containerPort !== undefined) {
-    bodyParams["containerPort"] = input.containerPort;
-  }
-  if (input.port !== undefined) {
-    bodyParams["port"] = input.port;
-  }
-  if (input.registryArn !== undefined) {
-    bodyParams["registryArn"] = input.registryArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.containerName !== undefined && {
+      containerName: input.containerName
+    }),
+    ...(input.containerPort !== undefined && {
+      containerPort: input.containerPort
+    }),
+    ...(input.port !== undefined && { port: input.port }),
+    ...(input.registryArn !== undefined && { registryArn: input.registryArn })
+  };
 };
 
 const serializeAws_json1_1StartTaskRequest = (
   input: StartTaskRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.cluster !== undefined) {
-    bodyParams["cluster"] = input.cluster;
-  }
-  if (input.containerInstances !== undefined) {
-    bodyParams["containerInstances"] = serializeAws_json1_1StringList(
-      input.containerInstances,
-      context
-    );
-  }
-  if (input.enableECSManagedTags !== undefined) {
-    bodyParams["enableECSManagedTags"] = input.enableECSManagedTags;
-  }
-  if (input.group !== undefined) {
-    bodyParams["group"] = input.group;
-  }
-  if (input.networkConfiguration !== undefined) {
-    bodyParams[
-      "networkConfiguration"
-    ] = serializeAws_json1_1NetworkConfiguration(
-      input.networkConfiguration,
-      context
-    );
-  }
-  if (input.overrides !== undefined) {
-    bodyParams["overrides"] = serializeAws_json1_1TaskOverride(
-      input.overrides,
-      context
-    );
-  }
-  if (input.propagateTags !== undefined) {
-    bodyParams["propagateTags"] = input.propagateTags;
-  }
-  if (input.referenceId !== undefined) {
-    bodyParams["referenceId"] = input.referenceId;
-  }
-  if (input.startedBy !== undefined) {
-    bodyParams["startedBy"] = input.startedBy;
-  }
-  if (input.tags !== undefined) {
-    bodyParams["tags"] = serializeAws_json1_1Tags(input.tags, context);
-  }
-  if (input.taskDefinition !== undefined) {
-    bodyParams["taskDefinition"] = input.taskDefinition;
-  }
-  return bodyParams;
+  return {
+    ...(input.cluster !== undefined && { cluster: input.cluster }),
+    ...(input.containerInstances !== undefined && {
+      containerInstances: serializeAws_json1_1StringList(
+        input.containerInstances,
+        context
+      )
+    }),
+    ...(input.enableECSManagedTags !== undefined && {
+      enableECSManagedTags: input.enableECSManagedTags
+    }),
+    ...(input.group !== undefined && { group: input.group }),
+    ...(input.networkConfiguration !== undefined && {
+      networkConfiguration: serializeAws_json1_1NetworkConfiguration(
+        input.networkConfiguration,
+        context
+      )
+    }),
+    ...(input.overrides !== undefined && {
+      overrides: serializeAws_json1_1TaskOverride(input.overrides, context)
+    }),
+    ...(input.propagateTags !== undefined && {
+      propagateTags: input.propagateTags
+    }),
+    ...(input.referenceId !== undefined && { referenceId: input.referenceId }),
+    ...(input.startedBy !== undefined && { startedBy: input.startedBy }),
+    ...(input.tags !== undefined && {
+      tags: serializeAws_json1_1Tags(input.tags, context)
+    }),
+    ...(input.taskDefinition !== undefined && {
+      taskDefinition: input.taskDefinition
+    })
+  };
 };
 
 const serializeAws_json1_1StopTaskRequest = (
   input: StopTaskRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.cluster !== undefined) {
-    bodyParams["cluster"] = input.cluster;
-  }
-  if (input.reason !== undefined) {
-    bodyParams["reason"] = input.reason;
-  }
-  if (input.task !== undefined) {
-    bodyParams["task"] = input.task;
-  }
-  return bodyParams;
+  return {
+    ...(input.cluster !== undefined && { cluster: input.cluster }),
+    ...(input.reason !== undefined && { reason: input.reason }),
+    ...(input.task !== undefined && { task: input.task })
+  };
 };
 
 const serializeAws_json1_1StringList = (
@@ -8724,113 +8263,81 @@ const serializeAws_json1_1SubmitAttachmentStateChangesRequest = (
   input: SubmitAttachmentStateChangesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.attachments !== undefined) {
-    bodyParams["attachments"] = serializeAws_json1_1AttachmentStateChanges(
-      input.attachments,
-      context
-    );
-  }
-  if (input.cluster !== undefined) {
-    bodyParams["cluster"] = input.cluster;
-  }
-  return bodyParams;
+  return {
+    ...(input.attachments !== undefined && {
+      attachments: serializeAws_json1_1AttachmentStateChanges(
+        input.attachments,
+        context
+      )
+    }),
+    ...(input.cluster !== undefined && { cluster: input.cluster })
+  };
 };
 
 const serializeAws_json1_1SubmitContainerStateChangeRequest = (
   input: SubmitContainerStateChangeRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.cluster !== undefined) {
-    bodyParams["cluster"] = input.cluster;
-  }
-  if (input.containerName !== undefined) {
-    bodyParams["containerName"] = input.containerName;
-  }
-  if (input.exitCode !== undefined) {
-    bodyParams["exitCode"] = input.exitCode;
-  }
-  if (input.networkBindings !== undefined) {
-    bodyParams["networkBindings"] = serializeAws_json1_1NetworkBindings(
-      input.networkBindings,
-      context
-    );
-  }
-  if (input.reason !== undefined) {
-    bodyParams["reason"] = input.reason;
-  }
-  if (input.runtimeId !== undefined) {
-    bodyParams["runtimeId"] = input.runtimeId;
-  }
-  if (input.status !== undefined) {
-    bodyParams["status"] = input.status;
-  }
-  if (input.task !== undefined) {
-    bodyParams["task"] = input.task;
-  }
-  return bodyParams;
+  return {
+    ...(input.cluster !== undefined && { cluster: input.cluster }),
+    ...(input.containerName !== undefined && {
+      containerName: input.containerName
+    }),
+    ...(input.exitCode !== undefined && { exitCode: input.exitCode }),
+    ...(input.networkBindings !== undefined && {
+      networkBindings: serializeAws_json1_1NetworkBindings(
+        input.networkBindings,
+        context
+      )
+    }),
+    ...(input.reason !== undefined && { reason: input.reason }),
+    ...(input.runtimeId !== undefined && { runtimeId: input.runtimeId }),
+    ...(input.status !== undefined && { status: input.status }),
+    ...(input.task !== undefined && { task: input.task })
+  };
 };
 
 const serializeAws_json1_1SubmitTaskStateChangeRequest = (
   input: SubmitTaskStateChangeRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.attachments !== undefined) {
-    bodyParams["attachments"] = serializeAws_json1_1AttachmentStateChanges(
-      input.attachments,
-      context
-    );
-  }
-  if (input.cluster !== undefined) {
-    bodyParams["cluster"] = input.cluster;
-  }
-  if (input.containers !== undefined) {
-    bodyParams["containers"] = serializeAws_json1_1ContainerStateChanges(
-      input.containers,
-      context
-    );
-  }
-  if (input.executionStoppedAt !== undefined) {
-    bodyParams["executionStoppedAt"] = Math.round(
-      input.executionStoppedAt.getTime() / 1000
-    );
-  }
-  if (input.pullStartedAt !== undefined) {
-    bodyParams["pullStartedAt"] = Math.round(
-      input.pullStartedAt.getTime() / 1000
-    );
-  }
-  if (input.pullStoppedAt !== undefined) {
-    bodyParams["pullStoppedAt"] = Math.round(
-      input.pullStoppedAt.getTime() / 1000
-    );
-  }
-  if (input.reason !== undefined) {
-    bodyParams["reason"] = input.reason;
-  }
-  if (input.status !== undefined) {
-    bodyParams["status"] = input.status;
-  }
-  if (input.task !== undefined) {
-    bodyParams["task"] = input.task;
-  }
-  return bodyParams;
+  return {
+    ...(input.attachments !== undefined && {
+      attachments: serializeAws_json1_1AttachmentStateChanges(
+        input.attachments,
+        context
+      )
+    }),
+    ...(input.cluster !== undefined && { cluster: input.cluster }),
+    ...(input.containers !== undefined && {
+      containers: serializeAws_json1_1ContainerStateChanges(
+        input.containers,
+        context
+      )
+    }),
+    ...(input.executionStoppedAt !== undefined && {
+      executionStoppedAt: Math.round(input.executionStoppedAt.getTime() / 1000)
+    }),
+    ...(input.pullStartedAt !== undefined && {
+      pullStartedAt: Math.round(input.pullStartedAt.getTime() / 1000)
+    }),
+    ...(input.pullStoppedAt !== undefined && {
+      pullStoppedAt: Math.round(input.pullStoppedAt.getTime() / 1000)
+    }),
+    ...(input.reason !== undefined && { reason: input.reason }),
+    ...(input.status !== undefined && { status: input.status }),
+    ...(input.task !== undefined && { task: input.task })
+  };
 };
 
 const serializeAws_json1_1SystemControl = (
   input: SystemControl,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.namespace !== undefined) {
-    bodyParams["namespace"] = input.namespace;
-  }
-  if (input.value !== undefined) {
-    bodyParams["value"] = input.value;
-  }
-  return bodyParams;
+  return {
+    ...(input.namespace !== undefined && { namespace: input.namespace }),
+    ...(input.value !== undefined && { value: input.value })
+  };
 };
 
 const serializeAws_json1_1SystemControls = (
@@ -8841,14 +8348,10 @@ const serializeAws_json1_1SystemControls = (
 };
 
 const serializeAws_json1_1Tag = (input: Tag, context: __SerdeContext): any => {
-  const bodyParams: any = {};
-  if (input.key !== undefined) {
-    bodyParams["key"] = input.key;
-  }
-  if (input.value !== undefined) {
-    bodyParams["value"] = input.value;
-  }
-  return bodyParams;
+  return {
+    ...(input.key !== undefined && { key: input.key }),
+    ...(input.value !== undefined && { value: input.value })
+  };
 };
 
 const serializeAws_json1_1TagKeys = (
@@ -8862,14 +8365,12 @@ const serializeAws_json1_1TagResourceRequest = (
   input: TagResourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.resourceArn !== undefined) {
-    bodyParams["resourceArn"] = input.resourceArn;
-  }
-  if (input.tags !== undefined) {
-    bodyParams["tags"] = serializeAws_json1_1Tags(input.tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.resourceArn !== undefined && { resourceArn: input.resourceArn }),
+    ...(input.tags !== undefined && {
+      tags: serializeAws_json1_1Tags(input.tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1Tags = (
@@ -8890,14 +8391,10 @@ const serializeAws_json1_1TaskDefinitionPlacementConstraint = (
   input: TaskDefinitionPlacementConstraint,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.expression !== undefined) {
-    bodyParams["expression"] = input.expression;
-  }
-  if (input.type !== undefined) {
-    bodyParams["type"] = input.type;
-  }
-  return bodyParams;
+  return {
+    ...(input.expression !== undefined && { expression: input.expression }),
+    ...(input.type !== undefined && { type: input.type })
+  };
 };
 
 const serializeAws_json1_1TaskDefinitionPlacementConstraints = (
@@ -8920,54 +8417,41 @@ const serializeAws_json1_1TaskOverride = (
   input: TaskOverride,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.containerOverrides !== undefined) {
-    bodyParams["containerOverrides"] = serializeAws_json1_1ContainerOverrides(
-      input.containerOverrides,
-      context
-    );
-  }
-  if (input.cpu !== undefined) {
-    bodyParams["cpu"] = input.cpu;
-  }
-  if (input.executionRoleArn !== undefined) {
-    bodyParams["executionRoleArn"] = input.executionRoleArn;
-  }
-  if (input.inferenceAcceleratorOverrides !== undefined) {
-    bodyParams[
-      "inferenceAcceleratorOverrides"
-    ] = serializeAws_json1_1InferenceAcceleratorOverrides(
-      input.inferenceAcceleratorOverrides,
-      context
-    );
-  }
-  if (input.memory !== undefined) {
-    bodyParams["memory"] = input.memory;
-  }
-  if (input.taskRoleArn !== undefined) {
-    bodyParams["taskRoleArn"] = input.taskRoleArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.containerOverrides !== undefined && {
+      containerOverrides: serializeAws_json1_1ContainerOverrides(
+        input.containerOverrides,
+        context
+      )
+    }),
+    ...(input.cpu !== undefined && { cpu: input.cpu }),
+    ...(input.executionRoleArn !== undefined && {
+      executionRoleArn: input.executionRoleArn
+    }),
+    ...(input.inferenceAcceleratorOverrides !== undefined && {
+      inferenceAcceleratorOverrides: serializeAws_json1_1InferenceAcceleratorOverrides(
+        input.inferenceAcceleratorOverrides,
+        context
+      )
+    }),
+    ...(input.memory !== undefined && { memory: input.memory }),
+    ...(input.taskRoleArn !== undefined && { taskRoleArn: input.taskRoleArn })
+  };
 };
 
 const serializeAws_json1_1Tmpfs = (
   input: Tmpfs,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.containerPath !== undefined) {
-    bodyParams["containerPath"] = input.containerPath;
-  }
-  if (input.mountOptions !== undefined) {
-    bodyParams["mountOptions"] = serializeAws_json1_1StringList(
-      input.mountOptions,
-      context
-    );
-  }
-  if (input.size !== undefined) {
-    bodyParams["size"] = input.size;
-  }
-  return bodyParams;
+  return {
+    ...(input.containerPath !== undefined && {
+      containerPath: input.containerPath
+    }),
+    ...(input.mountOptions !== undefined && {
+      mountOptions: serializeAws_json1_1StringList(input.mountOptions, context)
+    }),
+    ...(input.size !== undefined && { size: input.size })
+  };
 };
 
 const serializeAws_json1_1TmpfsList = (
@@ -8981,17 +8465,11 @@ const serializeAws_json1_1Ulimit = (
   input: Ulimit,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.hardLimit !== undefined) {
-    bodyParams["hardLimit"] = input.hardLimit;
-  }
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  if (input.softLimit !== undefined) {
-    bodyParams["softLimit"] = input.softLimit;
-  }
-  return bodyParams;
+  return {
+    ...(input.hardLimit !== undefined && { hardLimit: input.hardLimit }),
+    ...(input.name !== undefined && { name: input.name }),
+    ...(input.softLimit !== undefined && { softLimit: input.softLimit })
+  };
 };
 
 const serializeAws_json1_1UlimitList = (
@@ -9005,220 +8483,173 @@ const serializeAws_json1_1UntagResourceRequest = (
   input: UntagResourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.resourceArn !== undefined) {
-    bodyParams["resourceArn"] = input.resourceArn;
-  }
-  if (input.tagKeys !== undefined) {
-    bodyParams["tagKeys"] = serializeAws_json1_1TagKeys(input.tagKeys, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.resourceArn !== undefined && { resourceArn: input.resourceArn }),
+    ...(input.tagKeys !== undefined && {
+      tagKeys: serializeAws_json1_1TagKeys(input.tagKeys, context)
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateClusterSettingsRequest = (
   input: UpdateClusterSettingsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.cluster !== undefined) {
-    bodyParams["cluster"] = input.cluster;
-  }
-  if (input.settings !== undefined) {
-    bodyParams["settings"] = serializeAws_json1_1ClusterSettings(
-      input.settings,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.cluster !== undefined && { cluster: input.cluster }),
+    ...(input.settings !== undefined && {
+      settings: serializeAws_json1_1ClusterSettings(input.settings, context)
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateContainerAgentRequest = (
   input: UpdateContainerAgentRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.cluster !== undefined) {
-    bodyParams["cluster"] = input.cluster;
-  }
-  if (input.containerInstance !== undefined) {
-    bodyParams["containerInstance"] = input.containerInstance;
-  }
-  return bodyParams;
+  return {
+    ...(input.cluster !== undefined && { cluster: input.cluster }),
+    ...(input.containerInstance !== undefined && {
+      containerInstance: input.containerInstance
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateContainerInstancesStateRequest = (
   input: UpdateContainerInstancesStateRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.cluster !== undefined) {
-    bodyParams["cluster"] = input.cluster;
-  }
-  if (input.containerInstances !== undefined) {
-    bodyParams["containerInstances"] = serializeAws_json1_1StringList(
-      input.containerInstances,
-      context
-    );
-  }
-  if (input.status !== undefined) {
-    bodyParams["status"] = input.status;
-  }
-  return bodyParams;
+  return {
+    ...(input.cluster !== undefined && { cluster: input.cluster }),
+    ...(input.containerInstances !== undefined && {
+      containerInstances: serializeAws_json1_1StringList(
+        input.containerInstances,
+        context
+      )
+    }),
+    ...(input.status !== undefined && { status: input.status })
+  };
 };
 
 const serializeAws_json1_1UpdateServicePrimaryTaskSetRequest = (
   input: UpdateServicePrimaryTaskSetRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.cluster !== undefined) {
-    bodyParams["cluster"] = input.cluster;
-  }
-  if (input.primaryTaskSet !== undefined) {
-    bodyParams["primaryTaskSet"] = input.primaryTaskSet;
-  }
-  if (input.service !== undefined) {
-    bodyParams["service"] = input.service;
-  }
-  return bodyParams;
+  return {
+    ...(input.cluster !== undefined && { cluster: input.cluster }),
+    ...(input.primaryTaskSet !== undefined && {
+      primaryTaskSet: input.primaryTaskSet
+    }),
+    ...(input.service !== undefined && { service: input.service })
+  };
 };
 
 const serializeAws_json1_1UpdateServiceRequest = (
   input: UpdateServiceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.capacityProviderStrategy !== undefined) {
-    bodyParams[
-      "capacityProviderStrategy"
-    ] = serializeAws_json1_1CapacityProviderStrategy(
-      input.capacityProviderStrategy,
-      context
-    );
-  }
-  if (input.cluster !== undefined) {
-    bodyParams["cluster"] = input.cluster;
-  }
-  if (input.deploymentConfiguration !== undefined) {
-    bodyParams[
-      "deploymentConfiguration"
-    ] = serializeAws_json1_1DeploymentConfiguration(
-      input.deploymentConfiguration,
-      context
-    );
-  }
-  if (input.desiredCount !== undefined) {
-    bodyParams["desiredCount"] = input.desiredCount;
-  }
-  if (input.forceNewDeployment !== undefined) {
-    bodyParams["forceNewDeployment"] = input.forceNewDeployment;
-  }
-  if (input.healthCheckGracePeriodSeconds !== undefined) {
-    bodyParams["healthCheckGracePeriodSeconds"] =
-      input.healthCheckGracePeriodSeconds;
-  }
-  if (input.networkConfiguration !== undefined) {
-    bodyParams[
-      "networkConfiguration"
-    ] = serializeAws_json1_1NetworkConfiguration(
-      input.networkConfiguration,
-      context
-    );
-  }
-  if (input.platformVersion !== undefined) {
-    bodyParams["platformVersion"] = input.platformVersion;
-  }
-  if (input.service !== undefined) {
-    bodyParams["service"] = input.service;
-  }
-  if (input.taskDefinition !== undefined) {
-    bodyParams["taskDefinition"] = input.taskDefinition;
-  }
-  return bodyParams;
+  return {
+    ...(input.capacityProviderStrategy !== undefined && {
+      capacityProviderStrategy: serializeAws_json1_1CapacityProviderStrategy(
+        input.capacityProviderStrategy,
+        context
+      )
+    }),
+    ...(input.cluster !== undefined && { cluster: input.cluster }),
+    ...(input.deploymentConfiguration !== undefined && {
+      deploymentConfiguration: serializeAws_json1_1DeploymentConfiguration(
+        input.deploymentConfiguration,
+        context
+      )
+    }),
+    ...(input.desiredCount !== undefined && {
+      desiredCount: input.desiredCount
+    }),
+    ...(input.forceNewDeployment !== undefined && {
+      forceNewDeployment: input.forceNewDeployment
+    }),
+    ...(input.healthCheckGracePeriodSeconds !== undefined && {
+      healthCheckGracePeriodSeconds: input.healthCheckGracePeriodSeconds
+    }),
+    ...(input.networkConfiguration !== undefined && {
+      networkConfiguration: serializeAws_json1_1NetworkConfiguration(
+        input.networkConfiguration,
+        context
+      )
+    }),
+    ...(input.platformVersion !== undefined && {
+      platformVersion: input.platformVersion
+    }),
+    ...(input.service !== undefined && { service: input.service }),
+    ...(input.taskDefinition !== undefined && {
+      taskDefinition: input.taskDefinition
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateTaskSetRequest = (
   input: UpdateTaskSetRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.cluster !== undefined) {
-    bodyParams["cluster"] = input.cluster;
-  }
-  if (input.scale !== undefined) {
-    bodyParams["scale"] = serializeAws_json1_1Scale(input.scale, context);
-  }
-  if (input.service !== undefined) {
-    bodyParams["service"] = input.service;
-  }
-  if (input.taskSet !== undefined) {
-    bodyParams["taskSet"] = input.taskSet;
-  }
-  return bodyParams;
+  return {
+    ...(input.cluster !== undefined && { cluster: input.cluster }),
+    ...(input.scale !== undefined && {
+      scale: serializeAws_json1_1Scale(input.scale, context)
+    }),
+    ...(input.service !== undefined && { service: input.service }),
+    ...(input.taskSet !== undefined && { taskSet: input.taskSet })
+  };
 };
 
 const serializeAws_json1_1VersionInfo = (
   input: VersionInfo,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.agentHash !== undefined) {
-    bodyParams["agentHash"] = input.agentHash;
-  }
-  if (input.agentVersion !== undefined) {
-    bodyParams["agentVersion"] = input.agentVersion;
-  }
-  if (input.dockerVersion !== undefined) {
-    bodyParams["dockerVersion"] = input.dockerVersion;
-  }
-  return bodyParams;
+  return {
+    ...(input.agentHash !== undefined && { agentHash: input.agentHash }),
+    ...(input.agentVersion !== undefined && {
+      agentVersion: input.agentVersion
+    }),
+    ...(input.dockerVersion !== undefined && {
+      dockerVersion: input.dockerVersion
+    })
+  };
 };
 
 const serializeAws_json1_1Volume = (
   input: Volume,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.dockerVolumeConfiguration !== undefined) {
-    bodyParams[
-      "dockerVolumeConfiguration"
-    ] = serializeAws_json1_1DockerVolumeConfiguration(
-      input.dockerVolumeConfiguration,
-      context
-    );
-  }
-  if (input.efsVolumeConfiguration !== undefined) {
-    bodyParams[
-      "efsVolumeConfiguration"
-    ] = serializeAws_json1_1EFSVolumeConfiguration(
-      input.efsVolumeConfiguration,
-      context
-    );
-  }
-  if (input.host !== undefined) {
-    bodyParams["host"] = serializeAws_json1_1HostVolumeProperties(
-      input.host,
-      context
-    );
-  }
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  return bodyParams;
+  return {
+    ...(input.dockerVolumeConfiguration !== undefined && {
+      dockerVolumeConfiguration: serializeAws_json1_1DockerVolumeConfiguration(
+        input.dockerVolumeConfiguration,
+        context
+      )
+    }),
+    ...(input.efsVolumeConfiguration !== undefined && {
+      efsVolumeConfiguration: serializeAws_json1_1EFSVolumeConfiguration(
+        input.efsVolumeConfiguration,
+        context
+      )
+    }),
+    ...(input.host !== undefined && {
+      host: serializeAws_json1_1HostVolumeProperties(input.host, context)
+    }),
+    ...(input.name !== undefined && { name: input.name })
+  };
 };
 
 const serializeAws_json1_1VolumeFrom = (
   input: VolumeFrom,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.readOnly !== undefined) {
-    bodyParams["readOnly"] = input.readOnly;
-  }
-  if (input.sourceContainer !== undefined) {
-    bodyParams["sourceContainer"] = input.sourceContainer;
-  }
-  return bodyParams;
+  return {
+    ...(input.readOnly !== undefined && { readOnly: input.readOnly }),
+    ...(input.sourceContainer !== undefined && {
+      sourceContainer: input.sourceContainer
+    })
+  };
 };
 
 const serializeAws_json1_1VolumeFromList = (
diff --git a/clients/client-efs/protocols/Aws_restJson1_1.ts b/clients/client-efs/protocols/Aws_restJson1_1.ts
index e4c50c23b3c6..cdced1d9e23e 100644
--- a/clients/client-efs/protocols/Aws_restJson1_1.ts
+++ b/clients/client-efs/protocols/Aws_restJson1_1.ts
@@ -4089,17 +4089,11 @@ const serializeAws_restJson1_1CreationInfo = (
   input: CreationInfo,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.OwnerGid !== undefined) {
-    bodyParams["OwnerGid"] = input.OwnerGid;
-  }
-  if (input.OwnerUid !== undefined) {
-    bodyParams["OwnerUid"] = input.OwnerUid;
-  }
-  if (input.Permissions !== undefined) {
-    bodyParams["Permissions"] = input.Permissions;
-  }
-  return bodyParams;
+  return {
+    ...(input.OwnerGid !== undefined && { OwnerGid: input.OwnerGid }),
+    ...(input.OwnerUid !== undefined && { OwnerUid: input.OwnerUid }),
+    ...(input.Permissions !== undefined && { Permissions: input.Permissions })
+  };
 };
 
 const serializeAws_restJson1_1LifecyclePolicies = (
@@ -4115,48 +4109,42 @@ const serializeAws_restJson1_1LifecyclePolicy = (
   input: LifecyclePolicy,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.TransitionToIA !== undefined) {
-    bodyParams["TransitionToIA"] = input.TransitionToIA;
-  }
-  return bodyParams;
+  return {
+    ...(input.TransitionToIA !== undefined && {
+      TransitionToIA: input.TransitionToIA
+    })
+  };
 };
 
 const serializeAws_restJson1_1PosixUser = (
   input: PosixUser,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Gid !== undefined) {
-    bodyParams["Gid"] = input.Gid;
-  }
-  if (input.SecondaryGids !== undefined) {
-    bodyParams["SecondaryGids"] = serializeAws_restJson1_1SecondaryGids(
-      input.SecondaryGids,
-      context
-    );
-  }
-  if (input.Uid !== undefined) {
-    bodyParams["Uid"] = input.Uid;
-  }
-  return bodyParams;
+  return {
+    ...(input.Gid !== undefined && { Gid: input.Gid }),
+    ...(input.SecondaryGids !== undefined && {
+      SecondaryGids: serializeAws_restJson1_1SecondaryGids(
+        input.SecondaryGids,
+        context
+      )
+    }),
+    ...(input.Uid !== undefined && { Uid: input.Uid })
+  };
 };
 
 const serializeAws_restJson1_1RootDirectory = (
   input: RootDirectory,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CreationInfo !== undefined) {
-    bodyParams["CreationInfo"] = serializeAws_restJson1_1CreationInfo(
-      input.CreationInfo,
-      context
-    );
-  }
-  if (input.Path !== undefined) {
-    bodyParams["Path"] = input.Path;
-  }
-  return bodyParams;
+  return {
+    ...(input.CreationInfo !== undefined && {
+      CreationInfo: serializeAws_restJson1_1CreationInfo(
+        input.CreationInfo,
+        context
+      )
+    }),
+    ...(input.Path !== undefined && { Path: input.Path })
+  };
 };
 
 const serializeAws_restJson1_1SecondaryGids = (
@@ -4177,14 +4165,10 @@ const serializeAws_restJson1_1Tag = (
   input: Tag,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Key !== undefined) {
-    bodyParams["Key"] = input.Key;
-  }
-  if (input.Value !== undefined) {
-    bodyParams["Value"] = input.Value;
-  }
-  return bodyParams;
+  return {
+    ...(input.Key !== undefined && { Key: input.Key }),
+    ...(input.Value !== undefined && { Value: input.Value })
+  };
 };
 
 const serializeAws_restJson1_1TagKeys = (
diff --git a/clients/client-eks/protocols/Aws_restJson1_1.ts b/clients/client-eks/protocols/Aws_restJson1_1.ts
index 1bbee2ffa638..d420fabb89ec 100644
--- a/clients/client-eks/protocols/Aws_restJson1_1.ts
+++ b/clients/client-eks/protocols/Aws_restJson1_1.ts
@@ -3641,17 +3641,12 @@ const serializeAws_restJson1_1FargateProfileSelector = (
   input: FargateProfileSelector,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.labels !== undefined) {
-    bodyParams["labels"] = serializeAws_restJson1_1FargateProfileLabel(
-      input.labels,
-      context
-    );
-  }
-  if (input.namespace !== undefined) {
-    bodyParams["namespace"] = input.namespace;
-  }
-  return bodyParams;
+  return {
+    ...(input.labels !== undefined && {
+      labels: serializeAws_restJson1_1FargateProfileLabel(input.labels, context)
+    }),
+    ...(input.namespace !== undefined && { namespace: input.namespace })
+  };
 };
 
 const serializeAws_restJson1_1FargateProfileSelectors = (
@@ -3667,17 +3662,12 @@ const serializeAws_restJson1_1LogSetup = (
   input: LogSetup,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.enabled !== undefined) {
-    bodyParams["enabled"] = input.enabled;
-  }
-  if (input.types !== undefined) {
-    bodyParams["types"] = serializeAws_restJson1_1LogTypes(
-      input.types,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.enabled !== undefined && { enabled: input.enabled }),
+    ...(input.types !== undefined && {
+      types: serializeAws_restJson1_1LogTypes(input.types, context)
+    })
+  };
 };
 
 const serializeAws_restJson1_1LogSetups = (
@@ -3698,48 +3688,40 @@ const serializeAws_restJson1_1Logging = (
   input: Logging,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.clusterLogging !== undefined) {
-    bodyParams["clusterLogging"] = serializeAws_restJson1_1LogSetups(
-      input.clusterLogging,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.clusterLogging !== undefined && {
+      clusterLogging: serializeAws_restJson1_1LogSetups(
+        input.clusterLogging,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1NodegroupScalingConfig = (
   input: NodegroupScalingConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.desiredSize !== undefined) {
-    bodyParams["desiredSize"] = input.desiredSize;
-  }
-  if (input.maxSize !== undefined) {
-    bodyParams["maxSize"] = input.maxSize;
-  }
-  if (input.minSize !== undefined) {
-    bodyParams["minSize"] = input.minSize;
-  }
-  return bodyParams;
+  return {
+    ...(input.desiredSize !== undefined && { desiredSize: input.desiredSize }),
+    ...(input.maxSize !== undefined && { maxSize: input.maxSize }),
+    ...(input.minSize !== undefined && { minSize: input.minSize })
+  };
 };
 
 const serializeAws_restJson1_1RemoteAccessConfig = (
   input: RemoteAccessConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ec2SshKey !== undefined) {
-    bodyParams["ec2SshKey"] = input.ec2SshKey;
-  }
-  if (input.sourceSecurityGroups !== undefined) {
-    bodyParams["sourceSecurityGroups"] = serializeAws_restJson1_1StringList(
-      input.sourceSecurityGroups,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ec2SshKey !== undefined && { ec2SshKey: input.ec2SshKey }),
+    ...(input.sourceSecurityGroups !== undefined && {
+      sourceSecurityGroups: serializeAws_restJson1_1StringList(
+        input.sourceSecurityGroups,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1StringList = (
@@ -3763,52 +3745,49 @@ const serializeAws_restJson1_1UpdateLabelsPayload = (
   input: UpdateLabelsPayload,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.addOrUpdateLabels !== undefined) {
-    bodyParams["addOrUpdateLabels"] = serializeAws_restJson1_1labelsMap(
-      input.addOrUpdateLabels,
-      context
-    );
-  }
-  if (input.removeLabels !== undefined) {
-    bodyParams["removeLabels"] = serializeAws_restJson1_1labelsKeyList(
-      input.removeLabels,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.addOrUpdateLabels !== undefined && {
+      addOrUpdateLabels: serializeAws_restJson1_1labelsMap(
+        input.addOrUpdateLabels,
+        context
+      )
+    }),
+    ...(input.removeLabels !== undefined && {
+      removeLabels: serializeAws_restJson1_1labelsKeyList(
+        input.removeLabels,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1VpcConfigRequest = (
   input: VpcConfigRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.endpointPrivateAccess !== undefined) {
-    bodyParams["endpointPrivateAccess"] = input.endpointPrivateAccess;
-  }
-  if (input.endpointPublicAccess !== undefined) {
-    bodyParams["endpointPublicAccess"] = input.endpointPublicAccess;
-  }
-  if (input.publicAccessCidrs !== undefined) {
-    bodyParams["publicAccessCidrs"] = serializeAws_restJson1_1StringList(
-      input.publicAccessCidrs,
-      context
-    );
-  }
-  if (input.securityGroupIds !== undefined) {
-    bodyParams["securityGroupIds"] = serializeAws_restJson1_1StringList(
-      input.securityGroupIds,
-      context
-    );
-  }
-  if (input.subnetIds !== undefined) {
-    bodyParams["subnetIds"] = serializeAws_restJson1_1StringList(
-      input.subnetIds,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.endpointPrivateAccess !== undefined && {
+      endpointPrivateAccess: input.endpointPrivateAccess
+    }),
+    ...(input.endpointPublicAccess !== undefined && {
+      endpointPublicAccess: input.endpointPublicAccess
+    }),
+    ...(input.publicAccessCidrs !== undefined && {
+      publicAccessCidrs: serializeAws_restJson1_1StringList(
+        input.publicAccessCidrs,
+        context
+      )
+    }),
+    ...(input.securityGroupIds !== undefined && {
+      securityGroupIds: serializeAws_restJson1_1StringList(
+        input.securityGroupIds,
+        context
+      )
+    }),
+    ...(input.subnetIds !== undefined && {
+      subnetIds: serializeAws_restJson1_1StringList(input.subnetIds, context)
+    })
+  };
 };
 
 const serializeAws_restJson1_1labelsKeyList = (
diff --git a/clients/client-elastic-transcoder/protocols/Aws_restJson1_1.ts b/clients/client-elastic-transcoder/protocols/Aws_restJson1_1.ts
index 45e13b0ecf9c..d1045a871d5b 100644
--- a/clients/client-elastic-transcoder/protocols/Aws_restJson1_1.ts
+++ b/clients/client-elastic-transcoder/protocols/Aws_restJson1_1.ts
@@ -2815,32 +2815,23 @@ const serializeAws_restJson1_1Artwork = (
   input: Artwork,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AlbumArtFormat !== undefined) {
-    bodyParams["AlbumArtFormat"] = input.AlbumArtFormat;
-  }
-  if (input.Encryption !== undefined) {
-    bodyParams["Encryption"] = serializeAws_restJson1_1Encryption(
-      input.Encryption,
-      context
-    );
-  }
-  if (input.InputKey !== undefined) {
-    bodyParams["InputKey"] = input.InputKey;
-  }
-  if (input.MaxHeight !== undefined) {
-    bodyParams["MaxHeight"] = input.MaxHeight;
-  }
-  if (input.MaxWidth !== undefined) {
-    bodyParams["MaxWidth"] = input.MaxWidth;
-  }
-  if (input.PaddingPolicy !== undefined) {
-    bodyParams["PaddingPolicy"] = input.PaddingPolicy;
-  }
-  if (input.SizingPolicy !== undefined) {
-    bodyParams["SizingPolicy"] = input.SizingPolicy;
-  }
-  return bodyParams;
+  return {
+    ...(input.AlbumArtFormat !== undefined && {
+      AlbumArtFormat: input.AlbumArtFormat
+    }),
+    ...(input.Encryption !== undefined && {
+      Encryption: serializeAws_restJson1_1Encryption(input.Encryption, context)
+    }),
+    ...(input.InputKey !== undefined && { InputKey: input.InputKey }),
+    ...(input.MaxHeight !== undefined && { MaxHeight: input.MaxHeight }),
+    ...(input.MaxWidth !== undefined && { MaxWidth: input.MaxWidth }),
+    ...(input.PaddingPolicy !== undefined && {
+      PaddingPolicy: input.PaddingPolicy
+    }),
+    ...(input.SizingPolicy !== undefined && {
+      SizingPolicy: input.SizingPolicy
+    })
+  };
 };
 
 const serializeAws_restJson1_1Artworks = (
@@ -2854,69 +2845,46 @@ const serializeAws_restJson1_1AudioCodecOptions = (
   input: AudioCodecOptions,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.BitDepth !== undefined) {
-    bodyParams["BitDepth"] = input.BitDepth;
-  }
-  if (input.BitOrder !== undefined) {
-    bodyParams["BitOrder"] = input.BitOrder;
-  }
-  if (input.Profile !== undefined) {
-    bodyParams["Profile"] = input.Profile;
-  }
-  if (input.Signed !== undefined) {
-    bodyParams["Signed"] = input.Signed;
-  }
-  return bodyParams;
+  return {
+    ...(input.BitDepth !== undefined && { BitDepth: input.BitDepth }),
+    ...(input.BitOrder !== undefined && { BitOrder: input.BitOrder }),
+    ...(input.Profile !== undefined && { Profile: input.Profile }),
+    ...(input.Signed !== undefined && { Signed: input.Signed })
+  };
 };
 
 const serializeAws_restJson1_1AudioParameters = (
   input: AudioParameters,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AudioPackingMode !== undefined) {
-    bodyParams["AudioPackingMode"] = input.AudioPackingMode;
-  }
-  if (input.BitRate !== undefined) {
-    bodyParams["BitRate"] = input.BitRate;
-  }
-  if (input.Channels !== undefined) {
-    bodyParams["Channels"] = input.Channels;
-  }
-  if (input.Codec !== undefined) {
-    bodyParams["Codec"] = input.Codec;
-  }
-  if (input.CodecOptions !== undefined) {
-    bodyParams["CodecOptions"] = serializeAws_restJson1_1AudioCodecOptions(
-      input.CodecOptions,
-      context
-    );
-  }
-  if (input.SampleRate !== undefined) {
-    bodyParams["SampleRate"] = input.SampleRate;
-  }
-  return bodyParams;
+  return {
+    ...(input.AudioPackingMode !== undefined && {
+      AudioPackingMode: input.AudioPackingMode
+    }),
+    ...(input.BitRate !== undefined && { BitRate: input.BitRate }),
+    ...(input.Channels !== undefined && { Channels: input.Channels }),
+    ...(input.Codec !== undefined && { Codec: input.Codec }),
+    ...(input.CodecOptions !== undefined && {
+      CodecOptions: serializeAws_restJson1_1AudioCodecOptions(
+        input.CodecOptions,
+        context
+      )
+    }),
+    ...(input.SampleRate !== undefined && { SampleRate: input.SampleRate })
+  };
 };
 
 const serializeAws_restJson1_1CaptionFormat = (
   input: CaptionFormat,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Encryption !== undefined) {
-    bodyParams["Encryption"] = serializeAws_restJson1_1Encryption(
-      input.Encryption,
-      context
-    );
-  }
-  if (input.Format !== undefined) {
-    bodyParams["Format"] = input.Format;
-  }
-  if (input.Pattern !== undefined) {
-    bodyParams["Pattern"] = input.Pattern;
-  }
-  return bodyParams;
+  return {
+    ...(input.Encryption !== undefined && {
+      Encryption: serializeAws_restJson1_1Encryption(input.Encryption, context)
+    }),
+    ...(input.Format !== undefined && { Format: input.Format }),
+    ...(input.Pattern !== undefined && { Pattern: input.Pattern })
+  };
 };
 
 const serializeAws_restJson1_1CaptionFormats = (
@@ -2932,26 +2900,15 @@ const serializeAws_restJson1_1CaptionSource = (
   input: CaptionSource,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Encryption !== undefined) {
-    bodyParams["Encryption"] = serializeAws_restJson1_1Encryption(
-      input.Encryption,
-      context
-    );
-  }
-  if (input.Key !== undefined) {
-    bodyParams["Key"] = input.Key;
-  }
-  if (input.Label !== undefined) {
-    bodyParams["Label"] = input.Label;
-  }
-  if (input.Language !== undefined) {
-    bodyParams["Language"] = input.Language;
-  }
-  if (input.TimeOffset !== undefined) {
-    bodyParams["TimeOffset"] = input.TimeOffset;
-  }
-  return bodyParams;
+  return {
+    ...(input.Encryption !== undefined && {
+      Encryption: serializeAws_restJson1_1Encryption(input.Encryption, context)
+    }),
+    ...(input.Key !== undefined && { Key: input.Key }),
+    ...(input.Label !== undefined && { Label: input.Label }),
+    ...(input.Language !== undefined && { Language: input.Language }),
+    ...(input.TimeOffset !== undefined && { TimeOffset: input.TimeOffset })
+  };
 };
 
 const serializeAws_restJson1_1CaptionSources = (
@@ -2967,37 +2924,32 @@ const serializeAws_restJson1_1Captions = (
   input: Captions,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CaptionFormats !== undefined) {
-    bodyParams["CaptionFormats"] = serializeAws_restJson1_1CaptionFormats(
-      input.CaptionFormats,
-      context
-    );
-  }
-  if (input.CaptionSources !== undefined) {
-    bodyParams["CaptionSources"] = serializeAws_restJson1_1CaptionSources(
-      input.CaptionSources,
-      context
-    );
-  }
-  if (input.MergePolicy !== undefined) {
-    bodyParams["MergePolicy"] = input.MergePolicy;
-  }
-  return bodyParams;
+  return {
+    ...(input.CaptionFormats !== undefined && {
+      CaptionFormats: serializeAws_restJson1_1CaptionFormats(
+        input.CaptionFormats,
+        context
+      )
+    }),
+    ...(input.CaptionSources !== undefined && {
+      CaptionSources: serializeAws_restJson1_1CaptionSources(
+        input.CaptionSources,
+        context
+      )
+    }),
+    ...(input.MergePolicy !== undefined && { MergePolicy: input.MergePolicy })
+  };
 };
 
 const serializeAws_restJson1_1Clip = (
   input: Clip,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.TimeSpan !== undefined) {
-    bodyParams["TimeSpan"] = serializeAws_restJson1_1TimeSpan(
-      input.TimeSpan,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.TimeSpan !== undefined && {
+      TimeSpan: serializeAws_restJson1_1TimeSpan(input.TimeSpan, context)
+    })
+  };
 };
 
 const serializeAws_restJson1_1CodecOptions = (
@@ -3021,59 +2973,44 @@ const serializeAws_restJson1_1CreateJobOutput = (
   input: CreateJobOutput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AlbumArt !== undefined) {
-    bodyParams["AlbumArt"] = serializeAws_restJson1_1JobAlbumArt(
-      input.AlbumArt,
-      context
-    );
-  }
-  if (input.Captions !== undefined) {
-    bodyParams["Captions"] = serializeAws_restJson1_1Captions(
-      input.Captions,
-      context
-    );
-  }
-  if (input.Composition !== undefined) {
-    bodyParams["Composition"] = serializeAws_restJson1_1Composition(
-      input.Composition,
-      context
-    );
-  }
-  if (input.Encryption !== undefined) {
-    bodyParams["Encryption"] = serializeAws_restJson1_1Encryption(
-      input.Encryption,
-      context
-    );
-  }
-  if (input.Key !== undefined) {
-    bodyParams["Key"] = input.Key;
-  }
-  if (input.PresetId !== undefined) {
-    bodyParams["PresetId"] = input.PresetId;
-  }
-  if (input.Rotate !== undefined) {
-    bodyParams["Rotate"] = input.Rotate;
-  }
-  if (input.SegmentDuration !== undefined) {
-    bodyParams["SegmentDuration"] = input.SegmentDuration;
-  }
-  if (input.ThumbnailEncryption !== undefined) {
-    bodyParams["ThumbnailEncryption"] = serializeAws_restJson1_1Encryption(
-      input.ThumbnailEncryption,
-      context
-    );
-  }
-  if (input.ThumbnailPattern !== undefined) {
-    bodyParams["ThumbnailPattern"] = input.ThumbnailPattern;
-  }
-  if (input.Watermarks !== undefined) {
-    bodyParams["Watermarks"] = serializeAws_restJson1_1JobWatermarks(
-      input.Watermarks,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.AlbumArt !== undefined && {
+      AlbumArt: serializeAws_restJson1_1JobAlbumArt(input.AlbumArt, context)
+    }),
+    ...(input.Captions !== undefined && {
+      Captions: serializeAws_restJson1_1Captions(input.Captions, context)
+    }),
+    ...(input.Composition !== undefined && {
+      Composition: serializeAws_restJson1_1Composition(
+        input.Composition,
+        context
+      )
+    }),
+    ...(input.Encryption !== undefined && {
+      Encryption: serializeAws_restJson1_1Encryption(input.Encryption, context)
+    }),
+    ...(input.Key !== undefined && { Key: input.Key }),
+    ...(input.PresetId !== undefined && { PresetId: input.PresetId }),
+    ...(input.Rotate !== undefined && { Rotate: input.Rotate }),
+    ...(input.SegmentDuration !== undefined && {
+      SegmentDuration: input.SegmentDuration
+    }),
+    ...(input.ThumbnailEncryption !== undefined && {
+      ThumbnailEncryption: serializeAws_restJson1_1Encryption(
+        input.ThumbnailEncryption,
+        context
+      )
+    }),
+    ...(input.ThumbnailPattern !== undefined && {
+      ThumbnailPattern: input.ThumbnailPattern
+    }),
+    ...(input.Watermarks !== undefined && {
+      Watermarks: serializeAws_restJson1_1JobWatermarks(
+        input.Watermarks,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1CreateJobOutputs = (
@@ -3089,34 +3026,25 @@ const serializeAws_restJson1_1CreateJobPlaylist = (
   input: CreateJobPlaylist,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Format !== undefined) {
-    bodyParams["Format"] = input.Format;
-  }
-  if (input.HlsContentProtection !== undefined) {
-    bodyParams[
-      "HlsContentProtection"
-    ] = serializeAws_restJson1_1HlsContentProtection(
-      input.HlsContentProtection,
-      context
-    );
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.OutputKeys !== undefined) {
-    bodyParams["OutputKeys"] = serializeAws_restJson1_1OutputKeys(
-      input.OutputKeys,
-      context
-    );
-  }
-  if (input.PlayReadyDrm !== undefined) {
-    bodyParams["PlayReadyDrm"] = serializeAws_restJson1_1PlayReadyDrm(
-      input.PlayReadyDrm,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Format !== undefined && { Format: input.Format }),
+    ...(input.HlsContentProtection !== undefined && {
+      HlsContentProtection: serializeAws_restJson1_1HlsContentProtection(
+        input.HlsContentProtection,
+        context
+      )
+    }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.OutputKeys !== undefined && {
+      OutputKeys: serializeAws_restJson1_1OutputKeys(input.OutputKeys, context)
+    }),
+    ...(input.PlayReadyDrm !== undefined && {
+      PlayReadyDrm: serializeAws_restJson1_1PlayReadyDrm(
+        input.PlayReadyDrm,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1CreateJobPlaylists = (
@@ -3132,155 +3060,108 @@ const serializeAws_restJson1_1DetectedProperties = (
   input: DetectedProperties,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DurationMillis !== undefined) {
-    bodyParams["DurationMillis"] = input.DurationMillis;
-  }
-  if (input.FileSize !== undefined) {
-    bodyParams["FileSize"] = input.FileSize;
-  }
-  if (input.FrameRate !== undefined) {
-    bodyParams["FrameRate"] = input.FrameRate;
-  }
-  if (input.Height !== undefined) {
-    bodyParams["Height"] = input.Height;
-  }
-  if (input.Width !== undefined) {
-    bodyParams["Width"] = input.Width;
-  }
-  return bodyParams;
+  return {
+    ...(input.DurationMillis !== undefined && {
+      DurationMillis: input.DurationMillis
+    }),
+    ...(input.FileSize !== undefined && { FileSize: input.FileSize }),
+    ...(input.FrameRate !== undefined && { FrameRate: input.FrameRate }),
+    ...(input.Height !== undefined && { Height: input.Height }),
+    ...(input.Width !== undefined && { Width: input.Width })
+  };
 };
 
 const serializeAws_restJson1_1Encryption = (
   input: Encryption,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.InitializationVector !== undefined) {
-    bodyParams["InitializationVector"] = input.InitializationVector;
-  }
-  if (input.Key !== undefined) {
-    bodyParams["Key"] = input.Key;
-  }
-  if (input.KeyMd5 !== undefined) {
-    bodyParams["KeyMd5"] = input.KeyMd5;
-  }
-  if (input.Mode !== undefined) {
-    bodyParams["Mode"] = input.Mode;
-  }
-  return bodyParams;
+  return {
+    ...(input.InitializationVector !== undefined && {
+      InitializationVector: input.InitializationVector
+    }),
+    ...(input.Key !== undefined && { Key: input.Key }),
+    ...(input.KeyMd5 !== undefined && { KeyMd5: input.KeyMd5 }),
+    ...(input.Mode !== undefined && { Mode: input.Mode })
+  };
 };
 
 const serializeAws_restJson1_1HlsContentProtection = (
   input: HlsContentProtection,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.InitializationVector !== undefined) {
-    bodyParams["InitializationVector"] = input.InitializationVector;
-  }
-  if (input.Key !== undefined) {
-    bodyParams["Key"] = input.Key;
-  }
-  if (input.KeyMd5 !== undefined) {
-    bodyParams["KeyMd5"] = input.KeyMd5;
-  }
-  if (input.KeyStoragePolicy !== undefined) {
-    bodyParams["KeyStoragePolicy"] = input.KeyStoragePolicy;
-  }
-  if (input.LicenseAcquisitionUrl !== undefined) {
-    bodyParams["LicenseAcquisitionUrl"] = input.LicenseAcquisitionUrl;
-  }
-  if (input.Method !== undefined) {
-    bodyParams["Method"] = input.Method;
-  }
-  return bodyParams;
+  return {
+    ...(input.InitializationVector !== undefined && {
+      InitializationVector: input.InitializationVector
+    }),
+    ...(input.Key !== undefined && { Key: input.Key }),
+    ...(input.KeyMd5 !== undefined && { KeyMd5: input.KeyMd5 }),
+    ...(input.KeyStoragePolicy !== undefined && {
+      KeyStoragePolicy: input.KeyStoragePolicy
+    }),
+    ...(input.LicenseAcquisitionUrl !== undefined && {
+      LicenseAcquisitionUrl: input.LicenseAcquisitionUrl
+    }),
+    ...(input.Method !== undefined && { Method: input.Method })
+  };
 };
 
 const serializeAws_restJson1_1InputCaptions = (
   input: InputCaptions,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CaptionSources !== undefined) {
-    bodyParams["CaptionSources"] = serializeAws_restJson1_1CaptionSources(
-      input.CaptionSources,
-      context
-    );
-  }
-  if (input.MergePolicy !== undefined) {
-    bodyParams["MergePolicy"] = input.MergePolicy;
-  }
-  return bodyParams;
+  return {
+    ...(input.CaptionSources !== undefined && {
+      CaptionSources: serializeAws_restJson1_1CaptionSources(
+        input.CaptionSources,
+        context
+      )
+    }),
+    ...(input.MergePolicy !== undefined && { MergePolicy: input.MergePolicy })
+  };
 };
 
 const serializeAws_restJson1_1JobAlbumArt = (
   input: JobAlbumArt,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Artwork !== undefined) {
-    bodyParams["Artwork"] = serializeAws_restJson1_1Artworks(
-      input.Artwork,
-      context
-    );
-  }
-  if (input.MergePolicy !== undefined) {
-    bodyParams["MergePolicy"] = input.MergePolicy;
-  }
-  return bodyParams;
+  return {
+    ...(input.Artwork !== undefined && {
+      Artwork: serializeAws_restJson1_1Artworks(input.Artwork, context)
+    }),
+    ...(input.MergePolicy !== undefined && { MergePolicy: input.MergePolicy })
+  };
 };
 
 const serializeAws_restJson1_1JobInput = (
   input: JobInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AspectRatio !== undefined) {
-    bodyParams["AspectRatio"] = input.AspectRatio;
-  }
-  if (input.Container !== undefined) {
-    bodyParams["Container"] = input.Container;
-  }
-  if (input.DetectedProperties !== undefined) {
-    bodyParams[
-      "DetectedProperties"
-    ] = serializeAws_restJson1_1DetectedProperties(
-      input.DetectedProperties,
-      context
-    );
-  }
-  if (input.Encryption !== undefined) {
-    bodyParams["Encryption"] = serializeAws_restJson1_1Encryption(
-      input.Encryption,
-      context
-    );
-  }
-  if (input.FrameRate !== undefined) {
-    bodyParams["FrameRate"] = input.FrameRate;
-  }
-  if (input.InputCaptions !== undefined) {
-    bodyParams["InputCaptions"] = serializeAws_restJson1_1InputCaptions(
-      input.InputCaptions,
-      context
-    );
-  }
-  if (input.Interlaced !== undefined) {
-    bodyParams["Interlaced"] = input.Interlaced;
-  }
-  if (input.Key !== undefined) {
-    bodyParams["Key"] = input.Key;
-  }
-  if (input.Resolution !== undefined) {
-    bodyParams["Resolution"] = input.Resolution;
-  }
-  if (input.TimeSpan !== undefined) {
-    bodyParams["TimeSpan"] = serializeAws_restJson1_1TimeSpan(
-      input.TimeSpan,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.AspectRatio !== undefined && { AspectRatio: input.AspectRatio }),
+    ...(input.Container !== undefined && { Container: input.Container }),
+    ...(input.DetectedProperties !== undefined && {
+      DetectedProperties: serializeAws_restJson1_1DetectedProperties(
+        input.DetectedProperties,
+        context
+      )
+    }),
+    ...(input.Encryption !== undefined && {
+      Encryption: serializeAws_restJson1_1Encryption(input.Encryption, context)
+    }),
+    ...(input.FrameRate !== undefined && { FrameRate: input.FrameRate }),
+    ...(input.InputCaptions !== undefined && {
+      InputCaptions: serializeAws_restJson1_1InputCaptions(
+        input.InputCaptions,
+        context
+      )
+    }),
+    ...(input.Interlaced !== undefined && { Interlaced: input.Interlaced }),
+    ...(input.Key !== undefined && { Key: input.Key }),
+    ...(input.Resolution !== undefined && { Resolution: input.Resolution }),
+    ...(input.TimeSpan !== undefined && {
+      TimeSpan: serializeAws_restJson1_1TimeSpan(input.TimeSpan, context)
+    })
+  };
 };
 
 const serializeAws_restJson1_1JobInputs = (
@@ -3294,20 +3175,15 @@ const serializeAws_restJson1_1JobWatermark = (
   input: JobWatermark,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Encryption !== undefined) {
-    bodyParams["Encryption"] = serializeAws_restJson1_1Encryption(
-      input.Encryption,
-      context
-    );
-  }
-  if (input.InputKey !== undefined) {
-    bodyParams["InputKey"] = input.InputKey;
-  }
-  if (input.PresetWatermarkId !== undefined) {
-    bodyParams["PresetWatermarkId"] = input.PresetWatermarkId;
-  }
-  return bodyParams;
+  return {
+    ...(input.Encryption !== undefined && {
+      Encryption: serializeAws_restJson1_1Encryption(input.Encryption, context)
+    }),
+    ...(input.InputKey !== undefined && { InputKey: input.InputKey }),
+    ...(input.PresetWatermarkId !== undefined && {
+      PresetWatermarkId: input.PresetWatermarkId
+    })
+  };
 };
 
 const serializeAws_restJson1_1JobWatermarks = (
@@ -3323,20 +3199,12 @@ const serializeAws_restJson1_1Notifications = (
   input: Notifications,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Completed !== undefined) {
-    bodyParams["Completed"] = input.Completed;
-  }
-  if (input.Error !== undefined) {
-    bodyParams["Error"] = input.Error;
-  }
-  if (input.Progressing !== undefined) {
-    bodyParams["Progressing"] = input.Progressing;
-  }
-  if (input.Warning !== undefined) {
-    bodyParams["Warning"] = input.Warning;
-  }
-  return bodyParams;
+  return {
+    ...(input.Completed !== undefined && { Completed: input.Completed }),
+    ...(input.Error !== undefined && { Error: input.Error }),
+    ...(input.Progressing !== undefined && { Progressing: input.Progressing }),
+    ...(input.Warning !== undefined && { Warning: input.Warning })
+  };
 };
 
 const serializeAws_restJson1_1OutputKeys = (
@@ -3350,20 +3218,13 @@ const serializeAws_restJson1_1Permission = (
   input: Permission,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Access !== undefined) {
-    bodyParams["Access"] = serializeAws_restJson1_1AccessControls(
-      input.Access,
-      context
-    );
-  }
-  if (input.Grantee !== undefined) {
-    bodyParams["Grantee"] = input.Grantee;
-  }
-  if (input.GranteeType !== undefined) {
-    bodyParams["GranteeType"] = input.GranteeType;
-  }
-  return bodyParams;
+  return {
+    ...(input.Access !== undefined && {
+      Access: serializeAws_restJson1_1AccessControls(input.Access, context)
+    }),
+    ...(input.Grantee !== undefined && { Grantee: input.Grantee }),
+    ...(input.GranteeType !== undefined && { GranteeType: input.GranteeType })
+  };
 };
 
 const serializeAws_restJson1_1Permissions = (
@@ -3377,84 +3238,64 @@ const serializeAws_restJson1_1PipelineOutputConfig = (
   input: PipelineOutputConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Bucket !== undefined) {
-    bodyParams["Bucket"] = input.Bucket;
-  }
-  if (input.Permissions !== undefined) {
-    bodyParams["Permissions"] = serializeAws_restJson1_1Permissions(
-      input.Permissions,
-      context
-    );
-  }
-  if (input.StorageClass !== undefined) {
-    bodyParams["StorageClass"] = input.StorageClass;
-  }
-  return bodyParams;
+  return {
+    ...(input.Bucket !== undefined && { Bucket: input.Bucket }),
+    ...(input.Permissions !== undefined && {
+      Permissions: serializeAws_restJson1_1Permissions(
+        input.Permissions,
+        context
+      )
+    }),
+    ...(input.StorageClass !== undefined && {
+      StorageClass: input.StorageClass
+    })
+  };
 };
 
 const serializeAws_restJson1_1PlayReadyDrm = (
   input: PlayReadyDrm,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Format !== undefined) {
-    bodyParams["Format"] = input.Format;
-  }
-  if (input.InitializationVector !== undefined) {
-    bodyParams["InitializationVector"] = input.InitializationVector;
-  }
-  if (input.Key !== undefined) {
-    bodyParams["Key"] = input.Key;
-  }
-  if (input.KeyId !== undefined) {
-    bodyParams["KeyId"] = input.KeyId;
-  }
-  if (input.KeyMd5 !== undefined) {
-    bodyParams["KeyMd5"] = input.KeyMd5;
-  }
-  if (input.LicenseAcquisitionUrl !== undefined) {
-    bodyParams["LicenseAcquisitionUrl"] = input.LicenseAcquisitionUrl;
-  }
-  return bodyParams;
+  return {
+    ...(input.Format !== undefined && { Format: input.Format }),
+    ...(input.InitializationVector !== undefined && {
+      InitializationVector: input.InitializationVector
+    }),
+    ...(input.Key !== undefined && { Key: input.Key }),
+    ...(input.KeyId !== undefined && { KeyId: input.KeyId }),
+    ...(input.KeyMd5 !== undefined && { KeyMd5: input.KeyMd5 }),
+    ...(input.LicenseAcquisitionUrl !== undefined && {
+      LicenseAcquisitionUrl: input.LicenseAcquisitionUrl
+    })
+  };
 };
 
 const serializeAws_restJson1_1PresetWatermark = (
   input: PresetWatermark,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.HorizontalAlign !== undefined) {
-    bodyParams["HorizontalAlign"] = input.HorizontalAlign;
-  }
-  if (input.HorizontalOffset !== undefined) {
-    bodyParams["HorizontalOffset"] = input.HorizontalOffset;
-  }
-  if (input.Id !== undefined) {
-    bodyParams["Id"] = input.Id;
-  }
-  if (input.MaxHeight !== undefined) {
-    bodyParams["MaxHeight"] = input.MaxHeight;
-  }
-  if (input.MaxWidth !== undefined) {
-    bodyParams["MaxWidth"] = input.MaxWidth;
-  }
-  if (input.Opacity !== undefined) {
-    bodyParams["Opacity"] = input.Opacity;
-  }
-  if (input.SizingPolicy !== undefined) {
-    bodyParams["SizingPolicy"] = input.SizingPolicy;
-  }
-  if (input.Target !== undefined) {
-    bodyParams["Target"] = input.Target;
-  }
-  if (input.VerticalAlign !== undefined) {
-    bodyParams["VerticalAlign"] = input.VerticalAlign;
-  }
-  if (input.VerticalOffset !== undefined) {
-    bodyParams["VerticalOffset"] = input.VerticalOffset;
-  }
-  return bodyParams;
+  return {
+    ...(input.HorizontalAlign !== undefined && {
+      HorizontalAlign: input.HorizontalAlign
+    }),
+    ...(input.HorizontalOffset !== undefined && {
+      HorizontalOffset: input.HorizontalOffset
+    }),
+    ...(input.Id !== undefined && { Id: input.Id }),
+    ...(input.MaxHeight !== undefined && { MaxHeight: input.MaxHeight }),
+    ...(input.MaxWidth !== undefined && { MaxWidth: input.MaxWidth }),
+    ...(input.Opacity !== undefined && { Opacity: input.Opacity }),
+    ...(input.SizingPolicy !== undefined && {
+      SizingPolicy: input.SizingPolicy
+    }),
+    ...(input.Target !== undefined && { Target: input.Target }),
+    ...(input.VerticalAlign !== undefined && {
+      VerticalAlign: input.VerticalAlign
+    }),
+    ...(input.VerticalOffset !== undefined && {
+      VerticalOffset: input.VerticalOffset
+    })
+  };
 };
 
 const serializeAws_restJson1_1PresetWatermarks = (
@@ -3477,46 +3318,30 @@ const serializeAws_restJson1_1Thumbnails = (
   input: Thumbnails,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AspectRatio !== undefined) {
-    bodyParams["AspectRatio"] = input.AspectRatio;
-  }
-  if (input.Format !== undefined) {
-    bodyParams["Format"] = input.Format;
-  }
-  if (input.Interval !== undefined) {
-    bodyParams["Interval"] = input.Interval;
-  }
-  if (input.MaxHeight !== undefined) {
-    bodyParams["MaxHeight"] = input.MaxHeight;
-  }
-  if (input.MaxWidth !== undefined) {
-    bodyParams["MaxWidth"] = input.MaxWidth;
-  }
-  if (input.PaddingPolicy !== undefined) {
-    bodyParams["PaddingPolicy"] = input.PaddingPolicy;
-  }
-  if (input.Resolution !== undefined) {
-    bodyParams["Resolution"] = input.Resolution;
-  }
-  if (input.SizingPolicy !== undefined) {
-    bodyParams["SizingPolicy"] = input.SizingPolicy;
-  }
-  return bodyParams;
+  return {
+    ...(input.AspectRatio !== undefined && { AspectRatio: input.AspectRatio }),
+    ...(input.Format !== undefined && { Format: input.Format }),
+    ...(input.Interval !== undefined && { Interval: input.Interval }),
+    ...(input.MaxHeight !== undefined && { MaxHeight: input.MaxHeight }),
+    ...(input.MaxWidth !== undefined && { MaxWidth: input.MaxWidth }),
+    ...(input.PaddingPolicy !== undefined && {
+      PaddingPolicy: input.PaddingPolicy
+    }),
+    ...(input.Resolution !== undefined && { Resolution: input.Resolution }),
+    ...(input.SizingPolicy !== undefined && {
+      SizingPolicy: input.SizingPolicy
+    })
+  };
 };
 
 const serializeAws_restJson1_1TimeSpan = (
   input: TimeSpan,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Duration !== undefined) {
-    bodyParams["Duration"] = input.Duration;
-  }
-  if (input.StartTime !== undefined) {
-    bodyParams["StartTime"] = input.StartTime;
-  }
-  return bodyParams;
+  return {
+    ...(input.Duration !== undefined && { Duration: input.Duration }),
+    ...(input.StartTime !== undefined && { StartTime: input.StartTime })
+  };
 };
 
 const serializeAws_restJson1_1UserMetadata = (
@@ -3533,59 +3358,43 @@ const serializeAws_restJson1_1VideoParameters = (
   input: VideoParameters,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AspectRatio !== undefined) {
-    bodyParams["AspectRatio"] = input.AspectRatio;
-  }
-  if (input.BitRate !== undefined) {
-    bodyParams["BitRate"] = input.BitRate;
-  }
-  if (input.Codec !== undefined) {
-    bodyParams["Codec"] = input.Codec;
-  }
-  if (input.CodecOptions !== undefined) {
-    bodyParams["CodecOptions"] = serializeAws_restJson1_1CodecOptions(
-      input.CodecOptions,
-      context
-    );
-  }
-  if (input.DisplayAspectRatio !== undefined) {
-    bodyParams["DisplayAspectRatio"] = input.DisplayAspectRatio;
-  }
-  if (input.FixedGOP !== undefined) {
-    bodyParams["FixedGOP"] = input.FixedGOP;
-  }
-  if (input.FrameRate !== undefined) {
-    bodyParams["FrameRate"] = input.FrameRate;
-  }
-  if (input.KeyframesMaxDist !== undefined) {
-    bodyParams["KeyframesMaxDist"] = input.KeyframesMaxDist;
-  }
-  if (input.MaxFrameRate !== undefined) {
-    bodyParams["MaxFrameRate"] = input.MaxFrameRate;
-  }
-  if (input.MaxHeight !== undefined) {
-    bodyParams["MaxHeight"] = input.MaxHeight;
-  }
-  if (input.MaxWidth !== undefined) {
-    bodyParams["MaxWidth"] = input.MaxWidth;
-  }
-  if (input.PaddingPolicy !== undefined) {
-    bodyParams["PaddingPolicy"] = input.PaddingPolicy;
-  }
-  if (input.Resolution !== undefined) {
-    bodyParams["Resolution"] = input.Resolution;
-  }
-  if (input.SizingPolicy !== undefined) {
-    bodyParams["SizingPolicy"] = input.SizingPolicy;
-  }
-  if (input.Watermarks !== undefined) {
-    bodyParams["Watermarks"] = serializeAws_restJson1_1PresetWatermarks(
-      input.Watermarks,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.AspectRatio !== undefined && { AspectRatio: input.AspectRatio }),
+    ...(input.BitRate !== undefined && { BitRate: input.BitRate }),
+    ...(input.Codec !== undefined && { Codec: input.Codec }),
+    ...(input.CodecOptions !== undefined && {
+      CodecOptions: serializeAws_restJson1_1CodecOptions(
+        input.CodecOptions,
+        context
+      )
+    }),
+    ...(input.DisplayAspectRatio !== undefined && {
+      DisplayAspectRatio: input.DisplayAspectRatio
+    }),
+    ...(input.FixedGOP !== undefined && { FixedGOP: input.FixedGOP }),
+    ...(input.FrameRate !== undefined && { FrameRate: input.FrameRate }),
+    ...(input.KeyframesMaxDist !== undefined && {
+      KeyframesMaxDist: input.KeyframesMaxDist
+    }),
+    ...(input.MaxFrameRate !== undefined && {
+      MaxFrameRate: input.MaxFrameRate
+    }),
+    ...(input.MaxHeight !== undefined && { MaxHeight: input.MaxHeight }),
+    ...(input.MaxWidth !== undefined && { MaxWidth: input.MaxWidth }),
+    ...(input.PaddingPolicy !== undefined && {
+      PaddingPolicy: input.PaddingPolicy
+    }),
+    ...(input.Resolution !== undefined && { Resolution: input.Resolution }),
+    ...(input.SizingPolicy !== undefined && {
+      SizingPolicy: input.SizingPolicy
+    }),
+    ...(input.Watermarks !== undefined && {
+      Watermarks: serializeAws_restJson1_1PresetWatermarks(
+        input.Watermarks,
+        context
+      )
+    })
+  };
 };
 
 const deserializeAws_restJson1_1AccessControls = (
diff --git a/clients/client-elasticsearch-service/protocols/Aws_restJson1_1.ts b/clients/client-elasticsearch-service/protocols/Aws_restJson1_1.ts
index 54a2520907d9..c44019876c23 100644
--- a/clients/client-elasticsearch-service/protocols/Aws_restJson1_1.ts
+++ b/clients/client-elasticsearch-service/protocols/Aws_restJson1_1.ts
@@ -3541,34 +3541,28 @@ const serializeAws_restJson1_1CognitoOptions = (
   input: CognitoOptions,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Enabled !== undefined) {
-    bodyParams["Enabled"] = input.Enabled;
-  }
-  if (input.IdentityPoolId !== undefined) {
-    bodyParams["IdentityPoolId"] = input.IdentityPoolId;
-  }
-  if (input.RoleArn !== undefined) {
-    bodyParams["RoleArn"] = input.RoleArn;
-  }
-  if (input.UserPoolId !== undefined) {
-    bodyParams["UserPoolId"] = input.UserPoolId;
-  }
-  return bodyParams;
+  return {
+    ...(input.Enabled !== undefined && { Enabled: input.Enabled }),
+    ...(input.IdentityPoolId !== undefined && {
+      IdentityPoolId: input.IdentityPoolId
+    }),
+    ...(input.RoleArn !== undefined && { RoleArn: input.RoleArn }),
+    ...(input.UserPoolId !== undefined && { UserPoolId: input.UserPoolId })
+  };
 };
 
 const serializeAws_restJson1_1DomainEndpointOptions = (
   input: DomainEndpointOptions,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EnforceHTTPS !== undefined) {
-    bodyParams["EnforceHTTPS"] = input.EnforceHTTPS;
-  }
-  if (input.TLSSecurityPolicy !== undefined) {
-    bodyParams["TLSSecurityPolicy"] = input.TLSSecurityPolicy;
-  }
-  return bodyParams;
+  return {
+    ...(input.EnforceHTTPS !== undefined && {
+      EnforceHTTPS: input.EnforceHTTPS
+    }),
+    ...(input.TLSSecurityPolicy !== undefined && {
+      TLSSecurityPolicy: input.TLSSecurityPolicy
+    })
+  };
 };
 
 const serializeAws_restJson1_1DomainNameList = (
@@ -3582,91 +3576,69 @@ const serializeAws_restJson1_1EBSOptions = (
   input: EBSOptions,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EBSEnabled !== undefined) {
-    bodyParams["EBSEnabled"] = input.EBSEnabled;
-  }
-  if (input.Iops !== undefined) {
-    bodyParams["Iops"] = input.Iops;
-  }
-  if (input.VolumeSize !== undefined) {
-    bodyParams["VolumeSize"] = input.VolumeSize;
-  }
-  if (input.VolumeType !== undefined) {
-    bodyParams["VolumeType"] = input.VolumeType;
-  }
-  return bodyParams;
+  return {
+    ...(input.EBSEnabled !== undefined && { EBSEnabled: input.EBSEnabled }),
+    ...(input.Iops !== undefined && { Iops: input.Iops }),
+    ...(input.VolumeSize !== undefined && { VolumeSize: input.VolumeSize }),
+    ...(input.VolumeType !== undefined && { VolumeType: input.VolumeType })
+  };
 };
 
 const serializeAws_restJson1_1ElasticsearchClusterConfig = (
   input: ElasticsearchClusterConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DedicatedMasterCount !== undefined) {
-    bodyParams["DedicatedMasterCount"] = input.DedicatedMasterCount;
-  }
-  if (input.DedicatedMasterEnabled !== undefined) {
-    bodyParams["DedicatedMasterEnabled"] = input.DedicatedMasterEnabled;
-  }
-  if (input.DedicatedMasterType !== undefined) {
-    bodyParams["DedicatedMasterType"] = input.DedicatedMasterType;
-  }
-  if (input.InstanceCount !== undefined) {
-    bodyParams["InstanceCount"] = input.InstanceCount;
-  }
-  if (input.InstanceType !== undefined) {
-    bodyParams["InstanceType"] = input.InstanceType;
-  }
-  if (input.WarmCount !== undefined) {
-    bodyParams["WarmCount"] = input.WarmCount;
-  }
-  if (input.WarmEnabled !== undefined) {
-    bodyParams["WarmEnabled"] = input.WarmEnabled;
-  }
-  if (input.WarmType !== undefined) {
-    bodyParams["WarmType"] = input.WarmType;
-  }
-  if (input.ZoneAwarenessConfig !== undefined) {
-    bodyParams[
-      "ZoneAwarenessConfig"
-    ] = serializeAws_restJson1_1ZoneAwarenessConfig(
-      input.ZoneAwarenessConfig,
-      context
-    );
-  }
-  if (input.ZoneAwarenessEnabled !== undefined) {
-    bodyParams["ZoneAwarenessEnabled"] = input.ZoneAwarenessEnabled;
-  }
-  return bodyParams;
+  return {
+    ...(input.DedicatedMasterCount !== undefined && {
+      DedicatedMasterCount: input.DedicatedMasterCount
+    }),
+    ...(input.DedicatedMasterEnabled !== undefined && {
+      DedicatedMasterEnabled: input.DedicatedMasterEnabled
+    }),
+    ...(input.DedicatedMasterType !== undefined && {
+      DedicatedMasterType: input.DedicatedMasterType
+    }),
+    ...(input.InstanceCount !== undefined && {
+      InstanceCount: input.InstanceCount
+    }),
+    ...(input.InstanceType !== undefined && {
+      InstanceType: input.InstanceType
+    }),
+    ...(input.WarmCount !== undefined && { WarmCount: input.WarmCount }),
+    ...(input.WarmEnabled !== undefined && { WarmEnabled: input.WarmEnabled }),
+    ...(input.WarmType !== undefined && { WarmType: input.WarmType }),
+    ...(input.ZoneAwarenessConfig !== undefined && {
+      ZoneAwarenessConfig: serializeAws_restJson1_1ZoneAwarenessConfig(
+        input.ZoneAwarenessConfig,
+        context
+      )
+    }),
+    ...(input.ZoneAwarenessEnabled !== undefined && {
+      ZoneAwarenessEnabled: input.ZoneAwarenessEnabled
+    })
+  };
 };
 
 const serializeAws_restJson1_1EncryptionAtRestOptions = (
   input: EncryptionAtRestOptions,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Enabled !== undefined) {
-    bodyParams["Enabled"] = input.Enabled;
-  }
-  if (input.KmsKeyId !== undefined) {
-    bodyParams["KmsKeyId"] = input.KmsKeyId;
-  }
-  return bodyParams;
+  return {
+    ...(input.Enabled !== undefined && { Enabled: input.Enabled }),
+    ...(input.KmsKeyId !== undefined && { KmsKeyId: input.KmsKeyId })
+  };
 };
 
 const serializeAws_restJson1_1LogPublishingOption = (
   input: LogPublishingOption,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CloudWatchLogsLogGroupArn !== undefined) {
-    bodyParams["CloudWatchLogsLogGroupArn"] = input.CloudWatchLogsLogGroupArn;
-  }
-  if (input.Enabled !== undefined) {
-    bodyParams["Enabled"] = input.Enabled;
-  }
-  return bodyParams;
+  return {
+    ...(input.CloudWatchLogsLogGroupArn !== undefined && {
+      CloudWatchLogsLogGroupArn: input.CloudWatchLogsLogGroupArn
+    }),
+    ...(input.Enabled !== undefined && { Enabled: input.Enabled })
+  };
 };
 
 const serializeAws_restJson1_1LogPublishingOptions = (
@@ -3683,22 +3655,20 @@ const serializeAws_restJson1_1NodeToNodeEncryptionOptions = (
   input: NodeToNodeEncryptionOptions,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Enabled !== undefined) {
-    bodyParams["Enabled"] = input.Enabled;
-  }
-  return bodyParams;
+  return {
+    ...(input.Enabled !== undefined && { Enabled: input.Enabled })
+  };
 };
 
 const serializeAws_restJson1_1SnapshotOptions = (
   input: SnapshotOptions,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AutomatedSnapshotStartHour !== undefined) {
-    bodyParams["AutomatedSnapshotStartHour"] = input.AutomatedSnapshotStartHour;
-  }
-  return bodyParams;
+  return {
+    ...(input.AutomatedSnapshotStartHour !== undefined && {
+      AutomatedSnapshotStartHour: input.AutomatedSnapshotStartHour
+    })
+  };
 };
 
 const serializeAws_restJson1_1StringList = (
@@ -3712,14 +3682,10 @@ const serializeAws_restJson1_1Tag = (
   input: Tag,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Key !== undefined) {
-    bodyParams["Key"] = input.Key;
-  }
-  if (input.Value !== undefined) {
-    bodyParams["Value"] = input.Value;
-  }
-  return bodyParams;
+  return {
+    ...(input.Key !== undefined && { Key: input.Key }),
+    ...(input.Value !== undefined && { Value: input.Value })
+  };
 };
 
 const serializeAws_restJson1_1TagList = (
@@ -3733,31 +3699,28 @@ const serializeAws_restJson1_1VPCOptions = (
   input: VPCOptions,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.SecurityGroupIds !== undefined) {
-    bodyParams["SecurityGroupIds"] = serializeAws_restJson1_1StringList(
-      input.SecurityGroupIds,
-      context
-    );
-  }
-  if (input.SubnetIds !== undefined) {
-    bodyParams["SubnetIds"] = serializeAws_restJson1_1StringList(
-      input.SubnetIds,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.SecurityGroupIds !== undefined && {
+      SecurityGroupIds: serializeAws_restJson1_1StringList(
+        input.SecurityGroupIds,
+        context
+      )
+    }),
+    ...(input.SubnetIds !== undefined && {
+      SubnetIds: serializeAws_restJson1_1StringList(input.SubnetIds, context)
+    })
+  };
 };
 
 const serializeAws_restJson1_1ZoneAwarenessConfig = (
   input: ZoneAwarenessConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AvailabilityZoneCount !== undefined) {
-    bodyParams["AvailabilityZoneCount"] = input.AvailabilityZoneCount;
-  }
-  return bodyParams;
+  return {
+    ...(input.AvailabilityZoneCount !== undefined && {
+      AvailabilityZoneCount: input.AvailabilityZoneCount
+    })
+  };
 };
 
 const deserializeAws_restJson1_1AccessPoliciesStatus = (
diff --git a/clients/client-emr/protocols/Aws_json1_1.ts b/clients/client-emr/protocols/Aws_json1_1.ts
index 258844179b73..5d34053fa53f 100644
--- a/clients/client-emr/protocols/Aws_json1_1.ts
+++ b/clients/client-emr/protocols/Aws_json1_1.ts
@@ -2803,88 +2803,73 @@ const serializeAws_json1_1AddInstanceFleetInput = (
   input: AddInstanceFleetInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ClusterId !== undefined) {
-    bodyParams["ClusterId"] = input.ClusterId;
-  }
-  if (input.InstanceFleet !== undefined) {
-    bodyParams["InstanceFleet"] = serializeAws_json1_1InstanceFleetConfig(
-      input.InstanceFleet,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ClusterId !== undefined && { ClusterId: input.ClusterId }),
+    ...(input.InstanceFleet !== undefined && {
+      InstanceFleet: serializeAws_json1_1InstanceFleetConfig(
+        input.InstanceFleet,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1AddInstanceGroupsInput = (
   input: AddInstanceGroupsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.InstanceGroups !== undefined) {
-    bodyParams["InstanceGroups"] = serializeAws_json1_1InstanceGroupConfigList(
-      input.InstanceGroups,
-      context
-    );
-  }
-  if (input.JobFlowId !== undefined) {
-    bodyParams["JobFlowId"] = input.JobFlowId;
-  }
-  return bodyParams;
+  return {
+    ...(input.InstanceGroups !== undefined && {
+      InstanceGroups: serializeAws_json1_1InstanceGroupConfigList(
+        input.InstanceGroups,
+        context
+      )
+    }),
+    ...(input.JobFlowId !== undefined && { JobFlowId: input.JobFlowId })
+  };
 };
 
 const serializeAws_json1_1AddJobFlowStepsInput = (
   input: AddJobFlowStepsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.JobFlowId !== undefined) {
-    bodyParams["JobFlowId"] = input.JobFlowId;
-  }
-  if (input.Steps !== undefined) {
-    bodyParams["Steps"] = serializeAws_json1_1StepConfigList(
-      input.Steps,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.JobFlowId !== undefined && { JobFlowId: input.JobFlowId }),
+    ...(input.Steps !== undefined && {
+      Steps: serializeAws_json1_1StepConfigList(input.Steps, context)
+    })
+  };
 };
 
 const serializeAws_json1_1AddTagsInput = (
   input: AddTagsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceId !== undefined) {
-    bodyParams["ResourceId"] = input.ResourceId;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagList(input.Tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceId !== undefined && { ResourceId: input.ResourceId }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagList(input.Tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1Application = (
   input: Application,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AdditionalInfo !== undefined) {
-    bodyParams["AdditionalInfo"] = serializeAws_json1_1StringMap(
-      input.AdditionalInfo,
-      context
-    );
-  }
-  if (input.Args !== undefined) {
-    bodyParams["Args"] = serializeAws_json1_1StringList(input.Args, context);
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.Version !== undefined) {
-    bodyParams["Version"] = input.Version;
-  }
-  return bodyParams;
+  return {
+    ...(input.AdditionalInfo !== undefined && {
+      AdditionalInfo: serializeAws_json1_1StringMap(
+        input.AdditionalInfo,
+        context
+      )
+    }),
+    ...(input.Args !== undefined && {
+      Args: serializeAws_json1_1StringList(input.Args, context)
+    }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.Version !== undefined && { Version: input.Version })
+  };
 };
 
 const serializeAws_json1_1ApplicationList = (
@@ -2898,74 +2883,61 @@ const serializeAws_json1_1AutoScalingPolicy = (
   input: AutoScalingPolicy,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Constraints !== undefined) {
-    bodyParams["Constraints"] = serializeAws_json1_1ScalingConstraints(
-      input.Constraints,
-      context
-    );
-  }
-  if (input.Rules !== undefined) {
-    bodyParams["Rules"] = serializeAws_json1_1ScalingRuleList(
-      input.Rules,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Constraints !== undefined && {
+      Constraints: serializeAws_json1_1ScalingConstraints(
+        input.Constraints,
+        context
+      )
+    }),
+    ...(input.Rules !== undefined && {
+      Rules: serializeAws_json1_1ScalingRuleList(input.Rules, context)
+    })
+  };
 };
 
 const serializeAws_json1_1BlockPublicAccessConfiguration = (
   input: BlockPublicAccessConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.BlockPublicSecurityGroupRules !== undefined) {
-    bodyParams["BlockPublicSecurityGroupRules"] =
-      input.BlockPublicSecurityGroupRules;
-  }
-  if (input.Classification !== undefined) {
-    bodyParams["Classification"] = input.Classification;
-  }
-  if (input.Configurations !== undefined) {
-    bodyParams["Configurations"] = serializeAws_json1_1ConfigurationList(
-      input.Configurations,
-      context
-    );
-  }
-  if (input.PermittedPublicSecurityGroupRuleRanges !== undefined) {
-    bodyParams[
-      "PermittedPublicSecurityGroupRuleRanges"
-    ] = serializeAws_json1_1PortRanges(
-      input.PermittedPublicSecurityGroupRuleRanges,
-      context
-    );
-  }
-  if (input.Properties !== undefined) {
-    bodyParams["Properties"] = serializeAws_json1_1StringMap(
-      input.Properties,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.BlockPublicSecurityGroupRules !== undefined && {
+      BlockPublicSecurityGroupRules: input.BlockPublicSecurityGroupRules
+    }),
+    ...(input.Classification !== undefined && {
+      Classification: input.Classification
+    }),
+    ...(input.Configurations !== undefined && {
+      Configurations: serializeAws_json1_1ConfigurationList(
+        input.Configurations,
+        context
+      )
+    }),
+    ...(input.PermittedPublicSecurityGroupRuleRanges !== undefined && {
+      PermittedPublicSecurityGroupRuleRanges: serializeAws_json1_1PortRanges(
+        input.PermittedPublicSecurityGroupRuleRanges,
+        context
+      )
+    }),
+    ...(input.Properties !== undefined && {
+      Properties: serializeAws_json1_1StringMap(input.Properties, context)
+    })
+  };
 };
 
 const serializeAws_json1_1BootstrapActionConfig = (
   input: BootstrapActionConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.ScriptBootstrapAction !== undefined) {
-    bodyParams[
-      "ScriptBootstrapAction"
-    ] = serializeAws_json1_1ScriptBootstrapActionConfig(
-      input.ScriptBootstrapAction,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.ScriptBootstrapAction !== undefined && {
+      ScriptBootstrapAction: serializeAws_json1_1ScriptBootstrapActionConfig(
+        input.ScriptBootstrapAction,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1BootstrapActionConfigList = (
@@ -2981,58 +2953,41 @@ const serializeAws_json1_1CancelStepsInput = (
   input: CancelStepsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ClusterId !== undefined) {
-    bodyParams["ClusterId"] = input.ClusterId;
-  }
-  if (input.StepCancellationOption !== undefined) {
-    bodyParams["StepCancellationOption"] = input.StepCancellationOption;
-  }
-  if (input.StepIds !== undefined) {
-    bodyParams["StepIds"] = serializeAws_json1_1StepIdsList(
-      input.StepIds,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ClusterId !== undefined && { ClusterId: input.ClusterId }),
+    ...(input.StepCancellationOption !== undefined && {
+      StepCancellationOption: input.StepCancellationOption
+    }),
+    ...(input.StepIds !== undefined && {
+      StepIds: serializeAws_json1_1StepIdsList(input.StepIds, context)
+    })
+  };
 };
 
 const serializeAws_json1_1CloudWatchAlarmDefinition = (
   input: CloudWatchAlarmDefinition,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ComparisonOperator !== undefined) {
-    bodyParams["ComparisonOperator"] = input.ComparisonOperator;
-  }
-  if (input.Dimensions !== undefined) {
-    bodyParams["Dimensions"] = serializeAws_json1_1MetricDimensionList(
-      input.Dimensions,
-      context
-    );
-  }
-  if (input.EvaluationPeriods !== undefined) {
-    bodyParams["EvaluationPeriods"] = input.EvaluationPeriods;
-  }
-  if (input.MetricName !== undefined) {
-    bodyParams["MetricName"] = input.MetricName;
-  }
-  if (input.Namespace !== undefined) {
-    bodyParams["Namespace"] = input.Namespace;
-  }
-  if (input.Period !== undefined) {
-    bodyParams["Period"] = input.Period;
-  }
-  if (input.Statistic !== undefined) {
-    bodyParams["Statistic"] = input.Statistic;
-  }
-  if (input.Threshold !== undefined) {
-    bodyParams["Threshold"] = input.Threshold;
-  }
-  if (input.Unit !== undefined) {
-    bodyParams["Unit"] = input.Unit;
-  }
-  return bodyParams;
+  return {
+    ...(input.ComparisonOperator !== undefined && {
+      ComparisonOperator: input.ComparisonOperator
+    }),
+    ...(input.Dimensions !== undefined && {
+      Dimensions: serializeAws_json1_1MetricDimensionList(
+        input.Dimensions,
+        context
+      )
+    }),
+    ...(input.EvaluationPeriods !== undefined && {
+      EvaluationPeriods: input.EvaluationPeriods
+    }),
+    ...(input.MetricName !== undefined && { MetricName: input.MetricName }),
+    ...(input.Namespace !== undefined && { Namespace: input.Namespace }),
+    ...(input.Period !== undefined && { Period: input.Period }),
+    ...(input.Statistic !== undefined && { Statistic: input.Statistic }),
+    ...(input.Threshold !== undefined && { Threshold: input.Threshold }),
+    ...(input.Unit !== undefined && { Unit: input.Unit })
+  };
 };
 
 const serializeAws_json1_1ClusterStateList = (
@@ -3046,23 +3001,20 @@ const serializeAws_json1_1Configuration = (
   input: Configuration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Classification !== undefined) {
-    bodyParams["Classification"] = input.Classification;
-  }
-  if (input.Configurations !== undefined) {
-    bodyParams["Configurations"] = serializeAws_json1_1ConfigurationList(
-      input.Configurations,
-      context
-    );
-  }
-  if (input.Properties !== undefined) {
-    bodyParams["Properties"] = serializeAws_json1_1StringMap(
-      input.Properties,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Classification !== undefined && {
+      Classification: input.Classification
+    }),
+    ...(input.Configurations !== undefined && {
+      Configurations: serializeAws_json1_1ConfigurationList(
+        input.Configurations,
+        context
+      )
+    }),
+    ...(input.Properties !== undefined && {
+      Properties: serializeAws_json1_1StringMap(input.Properties, context)
+    })
+  };
 };
 
 const serializeAws_json1_1ConfigurationList = (
@@ -3076,91 +3028,72 @@ const serializeAws_json1_1CreateSecurityConfigurationInput = (
   input: CreateSecurityConfigurationInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.SecurityConfiguration !== undefined) {
-    bodyParams["SecurityConfiguration"] = input.SecurityConfiguration;
-  }
-  return bodyParams;
+  return {
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.SecurityConfiguration !== undefined && {
+      SecurityConfiguration: input.SecurityConfiguration
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteSecurityConfigurationInput = (
   input: DeleteSecurityConfigurationInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1DescribeClusterInput = (
   input: DescribeClusterInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ClusterId !== undefined) {
-    bodyParams["ClusterId"] = input.ClusterId;
-  }
-  return bodyParams;
+  return {
+    ...(input.ClusterId !== undefined && { ClusterId: input.ClusterId })
+  };
 };
 
 const serializeAws_json1_1DescribeJobFlowsInput = (
   input: DescribeJobFlowsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CreatedAfter !== undefined) {
-    bodyParams["CreatedAfter"] = Math.round(
-      input.CreatedAfter.getTime() / 1000
-    );
-  }
-  if (input.CreatedBefore !== undefined) {
-    bodyParams["CreatedBefore"] = Math.round(
-      input.CreatedBefore.getTime() / 1000
-    );
-  }
-  if (input.JobFlowIds !== undefined) {
-    bodyParams["JobFlowIds"] = serializeAws_json1_1XmlStringList(
-      input.JobFlowIds,
-      context
-    );
-  }
-  if (input.JobFlowStates !== undefined) {
-    bodyParams["JobFlowStates"] = serializeAws_json1_1JobFlowExecutionStateList(
-      input.JobFlowStates,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.CreatedAfter !== undefined && {
+      CreatedAfter: Math.round(input.CreatedAfter.getTime() / 1000)
+    }),
+    ...(input.CreatedBefore !== undefined && {
+      CreatedBefore: Math.round(input.CreatedBefore.getTime() / 1000)
+    }),
+    ...(input.JobFlowIds !== undefined && {
+      JobFlowIds: serializeAws_json1_1XmlStringList(input.JobFlowIds, context)
+    }),
+    ...(input.JobFlowStates !== undefined && {
+      JobFlowStates: serializeAws_json1_1JobFlowExecutionStateList(
+        input.JobFlowStates,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeSecurityConfigurationInput = (
   input: DescribeSecurityConfigurationInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1DescribeStepInput = (
   input: DescribeStepInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ClusterId !== undefined) {
-    bodyParams["ClusterId"] = input.ClusterId;
-  }
-  if (input.StepId !== undefined) {
-    bodyParams["StepId"] = input.StepId;
-  }
-  return bodyParams;
+  return {
+    ...(input.ClusterId !== undefined && { ClusterId: input.ClusterId }),
+    ...(input.StepId !== undefined && { StepId: input.StepId })
+  };
 };
 
 const serializeAws_json1_1EC2InstanceIdsList = (
@@ -3181,17 +3114,17 @@ const serializeAws_json1_1EbsBlockDeviceConfig = (
   input: EbsBlockDeviceConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.VolumeSpecification !== undefined) {
-    bodyParams["VolumeSpecification"] = serializeAws_json1_1VolumeSpecification(
-      input.VolumeSpecification,
-      context
-    );
-  }
-  if (input.VolumesPerInstance !== undefined) {
-    bodyParams["VolumesPerInstance"] = input.VolumesPerInstance;
-  }
-  return bodyParams;
+  return {
+    ...(input.VolumeSpecification !== undefined && {
+      VolumeSpecification: serializeAws_json1_1VolumeSpecification(
+        input.VolumeSpecification,
+        context
+      )
+    }),
+    ...(input.VolumesPerInstance !== undefined && {
+      VolumesPerInstance: input.VolumesPerInstance
+    })
+  };
 };
 
 const serializeAws_json1_1EbsBlockDeviceConfigList = (
@@ -3207,86 +3140,70 @@ const serializeAws_json1_1EbsConfiguration = (
   input: EbsConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EbsBlockDeviceConfigs !== undefined) {
-    bodyParams[
-      "EbsBlockDeviceConfigs"
-    ] = serializeAws_json1_1EbsBlockDeviceConfigList(
-      input.EbsBlockDeviceConfigs,
-      context
-    );
-  }
-  if (input.EbsOptimized !== undefined) {
-    bodyParams["EbsOptimized"] = input.EbsOptimized;
-  }
-  return bodyParams;
+  return {
+    ...(input.EbsBlockDeviceConfigs !== undefined && {
+      EbsBlockDeviceConfigs: serializeAws_json1_1EbsBlockDeviceConfigList(
+        input.EbsBlockDeviceConfigs,
+        context
+      )
+    }),
+    ...(input.EbsOptimized !== undefined && {
+      EbsOptimized: input.EbsOptimized
+    })
+  };
 };
 
 const serializeAws_json1_1GetBlockPublicAccessConfigurationInput = (
   input: GetBlockPublicAccessConfigurationInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  return bodyParams;
+  return {};
 };
 
 const serializeAws_json1_1HadoopJarStepConfig = (
   input: HadoopJarStepConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Args !== undefined) {
-    bodyParams["Args"] = serializeAws_json1_1XmlStringList(input.Args, context);
-  }
-  if (input.Jar !== undefined) {
-    bodyParams["Jar"] = input.Jar;
-  }
-  if (input.MainClass !== undefined) {
-    bodyParams["MainClass"] = input.MainClass;
-  }
-  if (input.Properties !== undefined) {
-    bodyParams["Properties"] = serializeAws_json1_1KeyValueList(
-      input.Properties,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Args !== undefined && {
+      Args: serializeAws_json1_1XmlStringList(input.Args, context)
+    }),
+    ...(input.Jar !== undefined && { Jar: input.Jar }),
+    ...(input.MainClass !== undefined && { MainClass: input.MainClass }),
+    ...(input.Properties !== undefined && {
+      Properties: serializeAws_json1_1KeyValueList(input.Properties, context)
+    })
+  };
 };
 
 const serializeAws_json1_1InstanceFleetConfig = (
   input: InstanceFleetConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.InstanceFleetType !== undefined) {
-    bodyParams["InstanceFleetType"] = input.InstanceFleetType;
-  }
-  if (input.InstanceTypeConfigs !== undefined) {
-    bodyParams[
-      "InstanceTypeConfigs"
-    ] = serializeAws_json1_1InstanceTypeConfigList(
-      input.InstanceTypeConfigs,
-      context
-    );
-  }
-  if (input.LaunchSpecifications !== undefined) {
-    bodyParams[
-      "LaunchSpecifications"
-    ] = serializeAws_json1_1InstanceFleetProvisioningSpecifications(
-      input.LaunchSpecifications,
-      context
-    );
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.TargetOnDemandCapacity !== undefined) {
-    bodyParams["TargetOnDemandCapacity"] = input.TargetOnDemandCapacity;
-  }
-  if (input.TargetSpotCapacity !== undefined) {
-    bodyParams["TargetSpotCapacity"] = input.TargetSpotCapacity;
-  }
-  return bodyParams;
+  return {
+    ...(input.InstanceFleetType !== undefined && {
+      InstanceFleetType: input.InstanceFleetType
+    }),
+    ...(input.InstanceTypeConfigs !== undefined && {
+      InstanceTypeConfigs: serializeAws_json1_1InstanceTypeConfigList(
+        input.InstanceTypeConfigs,
+        context
+      )
+    }),
+    ...(input.LaunchSpecifications !== undefined && {
+      LaunchSpecifications: serializeAws_json1_1InstanceFleetProvisioningSpecifications(
+        input.LaunchSpecifications,
+        context
+      )
+    }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.TargetOnDemandCapacity !== undefined && {
+      TargetOnDemandCapacity: input.TargetOnDemandCapacity
+    }),
+    ...(input.TargetSpotCapacity !== undefined && {
+      TargetSpotCapacity: input.TargetSpotCapacity
+    })
+  };
 };
 
 const serializeAws_json1_1InstanceFleetConfigList = (
@@ -3302,77 +3219,69 @@ const serializeAws_json1_1InstanceFleetModifyConfig = (
   input: InstanceFleetModifyConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.InstanceFleetId !== undefined) {
-    bodyParams["InstanceFleetId"] = input.InstanceFleetId;
-  }
-  if (input.TargetOnDemandCapacity !== undefined) {
-    bodyParams["TargetOnDemandCapacity"] = input.TargetOnDemandCapacity;
-  }
-  if (input.TargetSpotCapacity !== undefined) {
-    bodyParams["TargetSpotCapacity"] = input.TargetSpotCapacity;
-  }
-  return bodyParams;
+  return {
+    ...(input.InstanceFleetId !== undefined && {
+      InstanceFleetId: input.InstanceFleetId
+    }),
+    ...(input.TargetOnDemandCapacity !== undefined && {
+      TargetOnDemandCapacity: input.TargetOnDemandCapacity
+    }),
+    ...(input.TargetSpotCapacity !== undefined && {
+      TargetSpotCapacity: input.TargetSpotCapacity
+    })
+  };
 };
 
 const serializeAws_json1_1InstanceFleetProvisioningSpecifications = (
   input: InstanceFleetProvisioningSpecifications,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.SpotSpecification !== undefined) {
-    bodyParams[
-      "SpotSpecification"
-    ] = serializeAws_json1_1SpotProvisioningSpecification(
-      input.SpotSpecification,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.SpotSpecification !== undefined && {
+      SpotSpecification: serializeAws_json1_1SpotProvisioningSpecification(
+        input.SpotSpecification,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1InstanceGroupConfig = (
   input: InstanceGroupConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AutoScalingPolicy !== undefined) {
-    bodyParams["AutoScalingPolicy"] = serializeAws_json1_1AutoScalingPolicy(
-      input.AutoScalingPolicy,
-      context
-    );
-  }
-  if (input.BidPrice !== undefined) {
-    bodyParams["BidPrice"] = input.BidPrice;
-  }
-  if (input.Configurations !== undefined) {
-    bodyParams["Configurations"] = serializeAws_json1_1ConfigurationList(
-      input.Configurations,
-      context
-    );
-  }
-  if (input.EbsConfiguration !== undefined) {
-    bodyParams["EbsConfiguration"] = serializeAws_json1_1EbsConfiguration(
-      input.EbsConfiguration,
-      context
-    );
-  }
-  if (input.InstanceCount !== undefined) {
-    bodyParams["InstanceCount"] = input.InstanceCount;
-  }
-  if (input.InstanceRole !== undefined) {
-    bodyParams["InstanceRole"] = input.InstanceRole;
-  }
-  if (input.InstanceType !== undefined) {
-    bodyParams["InstanceType"] = input.InstanceType;
-  }
-  if (input.Market !== undefined) {
-    bodyParams["Market"] = input.Market;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.AutoScalingPolicy !== undefined && {
+      AutoScalingPolicy: serializeAws_json1_1AutoScalingPolicy(
+        input.AutoScalingPolicy,
+        context
+      )
+    }),
+    ...(input.BidPrice !== undefined && { BidPrice: input.BidPrice }),
+    ...(input.Configurations !== undefined && {
+      Configurations: serializeAws_json1_1ConfigurationList(
+        input.Configurations,
+        context
+      )
+    }),
+    ...(input.EbsConfiguration !== undefined && {
+      EbsConfiguration: serializeAws_json1_1EbsConfiguration(
+        input.EbsConfiguration,
+        context
+      )
+    }),
+    ...(input.InstanceCount !== undefined && {
+      InstanceCount: input.InstanceCount
+    }),
+    ...(input.InstanceRole !== undefined && {
+      InstanceRole: input.InstanceRole
+    }),
+    ...(input.InstanceType !== undefined && {
+      InstanceType: input.InstanceType
+    }),
+    ...(input.Market !== undefined && { Market: input.Market }),
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1InstanceGroupConfigList = (
@@ -3388,34 +3297,32 @@ const serializeAws_json1_1InstanceGroupModifyConfig = (
   input: InstanceGroupModifyConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Configurations !== undefined) {
-    bodyParams["Configurations"] = serializeAws_json1_1ConfigurationList(
-      input.Configurations,
-      context
-    );
-  }
-  if (input.EC2InstanceIdsToTerminate !== undefined) {
-    bodyParams[
-      "EC2InstanceIdsToTerminate"
-    ] = serializeAws_json1_1EC2InstanceIdsToTerminateList(
-      input.EC2InstanceIdsToTerminate,
-      context
-    );
-  }
-  if (input.InstanceCount !== undefined) {
-    bodyParams["InstanceCount"] = input.InstanceCount;
-  }
-  if (input.InstanceGroupId !== undefined) {
-    bodyParams["InstanceGroupId"] = input.InstanceGroupId;
-  }
-  if (input.ShrinkPolicy !== undefined) {
-    bodyParams["ShrinkPolicy"] = serializeAws_json1_1ShrinkPolicy(
-      input.ShrinkPolicy,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Configurations !== undefined && {
+      Configurations: serializeAws_json1_1ConfigurationList(
+        input.Configurations,
+        context
+      )
+    }),
+    ...(input.EC2InstanceIdsToTerminate !== undefined && {
+      EC2InstanceIdsToTerminate: serializeAws_json1_1EC2InstanceIdsToTerminateList(
+        input.EC2InstanceIdsToTerminate,
+        context
+      )
+    }),
+    ...(input.InstanceCount !== undefined && {
+      InstanceCount: input.InstanceCount
+    }),
+    ...(input.InstanceGroupId !== undefined && {
+      InstanceGroupId: input.InstanceGroupId
+    }),
+    ...(input.ShrinkPolicy !== undefined && {
+      ShrinkPolicy: serializeAws_json1_1ShrinkPolicy(
+        input.ShrinkPolicy,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1InstanceGroupModifyConfigList = (
@@ -3438,23 +3345,23 @@ const serializeAws_json1_1InstanceResizePolicy = (
   input: InstanceResizePolicy,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.InstanceTerminationTimeout !== undefined) {
-    bodyParams["InstanceTerminationTimeout"] = input.InstanceTerminationTimeout;
-  }
-  if (input.InstancesToProtect !== undefined) {
-    bodyParams["InstancesToProtect"] = serializeAws_json1_1EC2InstanceIdsList(
-      input.InstancesToProtect,
-      context
-    );
-  }
-  if (input.InstancesToTerminate !== undefined) {
-    bodyParams["InstancesToTerminate"] = serializeAws_json1_1EC2InstanceIdsList(
-      input.InstancesToTerminate,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.InstanceTerminationTimeout !== undefined && {
+      InstanceTerminationTimeout: input.InstanceTerminationTimeout
+    }),
+    ...(input.InstancesToProtect !== undefined && {
+      InstancesToProtect: serializeAws_json1_1EC2InstanceIdsList(
+        input.InstancesToProtect,
+        context
+      )
+    }),
+    ...(input.InstancesToTerminate !== undefined && {
+      InstancesToTerminate: serializeAws_json1_1EC2InstanceIdsList(
+        input.InstancesToTerminate,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1InstanceStateList = (
@@ -3468,33 +3375,31 @@ const serializeAws_json1_1InstanceTypeConfig = (
   input: InstanceTypeConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.BidPrice !== undefined) {
-    bodyParams["BidPrice"] = input.BidPrice;
-  }
-  if (input.BidPriceAsPercentageOfOnDemandPrice !== undefined) {
-    bodyParams["BidPriceAsPercentageOfOnDemandPrice"] =
-      input.BidPriceAsPercentageOfOnDemandPrice;
-  }
-  if (input.Configurations !== undefined) {
-    bodyParams["Configurations"] = serializeAws_json1_1ConfigurationList(
-      input.Configurations,
-      context
-    );
-  }
-  if (input.EbsConfiguration !== undefined) {
-    bodyParams["EbsConfiguration"] = serializeAws_json1_1EbsConfiguration(
-      input.EbsConfiguration,
-      context
-    );
-  }
-  if (input.InstanceType !== undefined) {
-    bodyParams["InstanceType"] = input.InstanceType;
-  }
-  if (input.WeightedCapacity !== undefined) {
-    bodyParams["WeightedCapacity"] = input.WeightedCapacity;
-  }
-  return bodyParams;
+  return {
+    ...(input.BidPrice !== undefined && { BidPrice: input.BidPrice }),
+    ...(input.BidPriceAsPercentageOfOnDemandPrice !== undefined && {
+      BidPriceAsPercentageOfOnDemandPrice:
+        input.BidPriceAsPercentageOfOnDemandPrice
+    }),
+    ...(input.Configurations !== undefined && {
+      Configurations: serializeAws_json1_1ConfigurationList(
+        input.Configurations,
+        context
+      )
+    }),
+    ...(input.EbsConfiguration !== undefined && {
+      EbsConfiguration: serializeAws_json1_1EbsConfiguration(
+        input.EbsConfiguration,
+        context
+      )
+    }),
+    ...(input.InstanceType !== undefined && {
+      InstanceType: input.InstanceType
+    }),
+    ...(input.WeightedCapacity !== undefined && {
+      WeightedCapacity: input.WeightedCapacity
+    })
+  };
 };
 
 const serializeAws_json1_1InstanceTypeConfigList = (
@@ -3517,122 +3422,101 @@ const serializeAws_json1_1JobFlowInstancesConfig = (
   input: JobFlowInstancesConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AdditionalMasterSecurityGroups !== undefined) {
-    bodyParams[
-      "AdditionalMasterSecurityGroups"
-    ] = serializeAws_json1_1SecurityGroupsList(
-      input.AdditionalMasterSecurityGroups,
-      context
-    );
-  }
-  if (input.AdditionalSlaveSecurityGroups !== undefined) {
-    bodyParams[
-      "AdditionalSlaveSecurityGroups"
-    ] = serializeAws_json1_1SecurityGroupsList(
-      input.AdditionalSlaveSecurityGroups,
-      context
-    );
-  }
-  if (input.Ec2KeyName !== undefined) {
-    bodyParams["Ec2KeyName"] = input.Ec2KeyName;
-  }
-  if (input.Ec2SubnetId !== undefined) {
-    bodyParams["Ec2SubnetId"] = input.Ec2SubnetId;
-  }
-  if (input.Ec2SubnetIds !== undefined) {
-    bodyParams["Ec2SubnetIds"] = serializeAws_json1_1XmlStringMaxLen256List(
-      input.Ec2SubnetIds,
-      context
-    );
-  }
-  if (input.EmrManagedMasterSecurityGroup !== undefined) {
-    bodyParams["EmrManagedMasterSecurityGroup"] =
-      input.EmrManagedMasterSecurityGroup;
-  }
-  if (input.EmrManagedSlaveSecurityGroup !== undefined) {
-    bodyParams["EmrManagedSlaveSecurityGroup"] =
-      input.EmrManagedSlaveSecurityGroup;
-  }
-  if (input.HadoopVersion !== undefined) {
-    bodyParams["HadoopVersion"] = input.HadoopVersion;
-  }
-  if (input.InstanceCount !== undefined) {
-    bodyParams["InstanceCount"] = input.InstanceCount;
-  }
-  if (input.InstanceFleets !== undefined) {
-    bodyParams["InstanceFleets"] = serializeAws_json1_1InstanceFleetConfigList(
-      input.InstanceFleets,
-      context
-    );
-  }
-  if (input.InstanceGroups !== undefined) {
-    bodyParams["InstanceGroups"] = serializeAws_json1_1InstanceGroupConfigList(
-      input.InstanceGroups,
-      context
-    );
-  }
-  if (input.KeepJobFlowAliveWhenNoSteps !== undefined) {
-    bodyParams["KeepJobFlowAliveWhenNoSteps"] =
-      input.KeepJobFlowAliveWhenNoSteps;
-  }
-  if (input.MasterInstanceType !== undefined) {
-    bodyParams["MasterInstanceType"] = input.MasterInstanceType;
-  }
-  if (input.Placement !== undefined) {
-    bodyParams["Placement"] = serializeAws_json1_1PlacementType(
-      input.Placement,
-      context
-    );
-  }
-  if (input.ServiceAccessSecurityGroup !== undefined) {
-    bodyParams["ServiceAccessSecurityGroup"] = input.ServiceAccessSecurityGroup;
-  }
-  if (input.SlaveInstanceType !== undefined) {
-    bodyParams["SlaveInstanceType"] = input.SlaveInstanceType;
-  }
-  if (input.TerminationProtected !== undefined) {
-    bodyParams["TerminationProtected"] = input.TerminationProtected;
-  }
-  return bodyParams;
+  return {
+    ...(input.AdditionalMasterSecurityGroups !== undefined && {
+      AdditionalMasterSecurityGroups: serializeAws_json1_1SecurityGroupsList(
+        input.AdditionalMasterSecurityGroups,
+        context
+      )
+    }),
+    ...(input.AdditionalSlaveSecurityGroups !== undefined && {
+      AdditionalSlaveSecurityGroups: serializeAws_json1_1SecurityGroupsList(
+        input.AdditionalSlaveSecurityGroups,
+        context
+      )
+    }),
+    ...(input.Ec2KeyName !== undefined && { Ec2KeyName: input.Ec2KeyName }),
+    ...(input.Ec2SubnetId !== undefined && { Ec2SubnetId: input.Ec2SubnetId }),
+    ...(input.Ec2SubnetIds !== undefined && {
+      Ec2SubnetIds: serializeAws_json1_1XmlStringMaxLen256List(
+        input.Ec2SubnetIds,
+        context
+      )
+    }),
+    ...(input.EmrManagedMasterSecurityGroup !== undefined && {
+      EmrManagedMasterSecurityGroup: input.EmrManagedMasterSecurityGroup
+    }),
+    ...(input.EmrManagedSlaveSecurityGroup !== undefined && {
+      EmrManagedSlaveSecurityGroup: input.EmrManagedSlaveSecurityGroup
+    }),
+    ...(input.HadoopVersion !== undefined && {
+      HadoopVersion: input.HadoopVersion
+    }),
+    ...(input.InstanceCount !== undefined && {
+      InstanceCount: input.InstanceCount
+    }),
+    ...(input.InstanceFleets !== undefined && {
+      InstanceFleets: serializeAws_json1_1InstanceFleetConfigList(
+        input.InstanceFleets,
+        context
+      )
+    }),
+    ...(input.InstanceGroups !== undefined && {
+      InstanceGroups: serializeAws_json1_1InstanceGroupConfigList(
+        input.InstanceGroups,
+        context
+      )
+    }),
+    ...(input.KeepJobFlowAliveWhenNoSteps !== undefined && {
+      KeepJobFlowAliveWhenNoSteps: input.KeepJobFlowAliveWhenNoSteps
+    }),
+    ...(input.MasterInstanceType !== undefined && {
+      MasterInstanceType: input.MasterInstanceType
+    }),
+    ...(input.Placement !== undefined && {
+      Placement: serializeAws_json1_1PlacementType(input.Placement, context)
+    }),
+    ...(input.ServiceAccessSecurityGroup !== undefined && {
+      ServiceAccessSecurityGroup: input.ServiceAccessSecurityGroup
+    }),
+    ...(input.SlaveInstanceType !== undefined && {
+      SlaveInstanceType: input.SlaveInstanceType
+    }),
+    ...(input.TerminationProtected !== undefined && {
+      TerminationProtected: input.TerminationProtected
+    })
+  };
 };
 
 const serializeAws_json1_1KerberosAttributes = (
   input: KerberosAttributes,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ADDomainJoinPassword !== undefined) {
-    bodyParams["ADDomainJoinPassword"] = input.ADDomainJoinPassword;
-  }
-  if (input.ADDomainJoinUser !== undefined) {
-    bodyParams["ADDomainJoinUser"] = input.ADDomainJoinUser;
-  }
-  if (input.CrossRealmTrustPrincipalPassword !== undefined) {
-    bodyParams["CrossRealmTrustPrincipalPassword"] =
-      input.CrossRealmTrustPrincipalPassword;
-  }
-  if (input.KdcAdminPassword !== undefined) {
-    bodyParams["KdcAdminPassword"] = input.KdcAdminPassword;
-  }
-  if (input.Realm !== undefined) {
-    bodyParams["Realm"] = input.Realm;
-  }
-  return bodyParams;
+  return {
+    ...(input.ADDomainJoinPassword !== undefined && {
+      ADDomainJoinPassword: input.ADDomainJoinPassword
+    }),
+    ...(input.ADDomainJoinUser !== undefined && {
+      ADDomainJoinUser: input.ADDomainJoinUser
+    }),
+    ...(input.CrossRealmTrustPrincipalPassword !== undefined && {
+      CrossRealmTrustPrincipalPassword: input.CrossRealmTrustPrincipalPassword
+    }),
+    ...(input.KdcAdminPassword !== undefined && {
+      KdcAdminPassword: input.KdcAdminPassword
+    }),
+    ...(input.Realm !== undefined && { Realm: input.Realm })
+  };
 };
 
 const serializeAws_json1_1KeyValue = (
   input: KeyValue,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Key !== undefined) {
-    bodyParams["Key"] = input.Key;
-  }
-  if (input.Value !== undefined) {
-    bodyParams["Value"] = input.Value;
-  }
-  return bodyParams;
+  return {
+    ...(input.Key !== undefined && { Key: input.Key }),
+    ...(input.Value !== undefined && { Value: input.Value })
+  };
 };
 
 const serializeAws_json1_1KeyValueList = (
@@ -3646,157 +3530,117 @@ const serializeAws_json1_1ListBootstrapActionsInput = (
   input: ListBootstrapActionsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ClusterId !== undefined) {
-    bodyParams["ClusterId"] = input.ClusterId;
-  }
-  if (input.Marker !== undefined) {
-    bodyParams["Marker"] = input.Marker;
-  }
-  return bodyParams;
+  return {
+    ...(input.ClusterId !== undefined && { ClusterId: input.ClusterId }),
+    ...(input.Marker !== undefined && { Marker: input.Marker })
+  };
 };
 
 const serializeAws_json1_1ListClustersInput = (
   input: ListClustersInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ClusterStates !== undefined) {
-    bodyParams["ClusterStates"] = serializeAws_json1_1ClusterStateList(
-      input.ClusterStates,
-      context
-    );
-  }
-  if (input.CreatedAfter !== undefined) {
-    bodyParams["CreatedAfter"] = Math.round(
-      input.CreatedAfter.getTime() / 1000
-    );
-  }
-  if (input.CreatedBefore !== undefined) {
-    bodyParams["CreatedBefore"] = Math.round(
-      input.CreatedBefore.getTime() / 1000
-    );
-  }
-  if (input.Marker !== undefined) {
-    bodyParams["Marker"] = input.Marker;
-  }
-  return bodyParams;
+  return {
+    ...(input.ClusterStates !== undefined && {
+      ClusterStates: serializeAws_json1_1ClusterStateList(
+        input.ClusterStates,
+        context
+      )
+    }),
+    ...(input.CreatedAfter !== undefined && {
+      CreatedAfter: Math.round(input.CreatedAfter.getTime() / 1000)
+    }),
+    ...(input.CreatedBefore !== undefined && {
+      CreatedBefore: Math.round(input.CreatedBefore.getTime() / 1000)
+    }),
+    ...(input.Marker !== undefined && { Marker: input.Marker })
+  };
 };
 
 const serializeAws_json1_1ListInstanceFleetsInput = (
   input: ListInstanceFleetsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ClusterId !== undefined) {
-    bodyParams["ClusterId"] = input.ClusterId;
-  }
-  if (input.Marker !== undefined) {
-    bodyParams["Marker"] = input.Marker;
-  }
-  return bodyParams;
+  return {
+    ...(input.ClusterId !== undefined && { ClusterId: input.ClusterId }),
+    ...(input.Marker !== undefined && { Marker: input.Marker })
+  };
 };
 
 const serializeAws_json1_1ListInstanceGroupsInput = (
   input: ListInstanceGroupsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ClusterId !== undefined) {
-    bodyParams["ClusterId"] = input.ClusterId;
-  }
-  if (input.Marker !== undefined) {
-    bodyParams["Marker"] = input.Marker;
-  }
-  return bodyParams;
+  return {
+    ...(input.ClusterId !== undefined && { ClusterId: input.ClusterId }),
+    ...(input.Marker !== undefined && { Marker: input.Marker })
+  };
 };
 
 const serializeAws_json1_1ListInstancesInput = (
   input: ListInstancesInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ClusterId !== undefined) {
-    bodyParams["ClusterId"] = input.ClusterId;
-  }
-  if (input.InstanceFleetId !== undefined) {
-    bodyParams["InstanceFleetId"] = input.InstanceFleetId;
-  }
-  if (input.InstanceFleetType !== undefined) {
-    bodyParams["InstanceFleetType"] = input.InstanceFleetType;
-  }
-  if (input.InstanceGroupId !== undefined) {
-    bodyParams["InstanceGroupId"] = input.InstanceGroupId;
-  }
-  if (input.InstanceGroupTypes !== undefined) {
-    bodyParams[
-      "InstanceGroupTypes"
-    ] = serializeAws_json1_1InstanceGroupTypeList(
-      input.InstanceGroupTypes,
-      context
-    );
-  }
-  if (input.InstanceStates !== undefined) {
-    bodyParams["InstanceStates"] = serializeAws_json1_1InstanceStateList(
-      input.InstanceStates,
-      context
-    );
-  }
-  if (input.Marker !== undefined) {
-    bodyParams["Marker"] = input.Marker;
-  }
-  return bodyParams;
+  return {
+    ...(input.ClusterId !== undefined && { ClusterId: input.ClusterId }),
+    ...(input.InstanceFleetId !== undefined && {
+      InstanceFleetId: input.InstanceFleetId
+    }),
+    ...(input.InstanceFleetType !== undefined && {
+      InstanceFleetType: input.InstanceFleetType
+    }),
+    ...(input.InstanceGroupId !== undefined && {
+      InstanceGroupId: input.InstanceGroupId
+    }),
+    ...(input.InstanceGroupTypes !== undefined && {
+      InstanceGroupTypes: serializeAws_json1_1InstanceGroupTypeList(
+        input.InstanceGroupTypes,
+        context
+      )
+    }),
+    ...(input.InstanceStates !== undefined && {
+      InstanceStates: serializeAws_json1_1InstanceStateList(
+        input.InstanceStates,
+        context
+      )
+    }),
+    ...(input.Marker !== undefined && { Marker: input.Marker })
+  };
 };
 
 const serializeAws_json1_1ListSecurityConfigurationsInput = (
   input: ListSecurityConfigurationsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Marker !== undefined) {
-    bodyParams["Marker"] = input.Marker;
-  }
-  return bodyParams;
+  return {
+    ...(input.Marker !== undefined && { Marker: input.Marker })
+  };
 };
 
 const serializeAws_json1_1ListStepsInput = (
   input: ListStepsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ClusterId !== undefined) {
-    bodyParams["ClusterId"] = input.ClusterId;
-  }
-  if (input.Marker !== undefined) {
-    bodyParams["Marker"] = input.Marker;
-  }
-  if (input.StepIds !== undefined) {
-    bodyParams["StepIds"] = serializeAws_json1_1XmlStringList(
-      input.StepIds,
-      context
-    );
-  }
-  if (input.StepStates !== undefined) {
-    bodyParams["StepStates"] = serializeAws_json1_1StepStateList(
-      input.StepStates,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ClusterId !== undefined && { ClusterId: input.ClusterId }),
+    ...(input.Marker !== undefined && { Marker: input.Marker }),
+    ...(input.StepIds !== undefined && {
+      StepIds: serializeAws_json1_1XmlStringList(input.StepIds, context)
+    }),
+    ...(input.StepStates !== undefined && {
+      StepStates: serializeAws_json1_1StepStateList(input.StepStates, context)
+    })
+  };
 };
 
 const serializeAws_json1_1MetricDimension = (
   input: MetricDimension,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Key !== undefined) {
-    bodyParams["Key"] = input.Key;
-  }
-  if (input.Value !== undefined) {
-    bodyParams["Value"] = input.Value;
-  }
-  return bodyParams;
+  return {
+    ...(input.Key !== undefined && { Key: input.Key }),
+    ...(input.Value !== undefined && { Value: input.Value })
+  };
 };
 
 const serializeAws_json1_1MetricDimensionList = (
@@ -3812,50 +3656,42 @@ const serializeAws_json1_1ModifyClusterInput = (
   input: ModifyClusterInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ClusterId !== undefined) {
-    bodyParams["ClusterId"] = input.ClusterId;
-  }
-  if (input.StepConcurrencyLevel !== undefined) {
-    bodyParams["StepConcurrencyLevel"] = input.StepConcurrencyLevel;
-  }
-  return bodyParams;
+  return {
+    ...(input.ClusterId !== undefined && { ClusterId: input.ClusterId }),
+    ...(input.StepConcurrencyLevel !== undefined && {
+      StepConcurrencyLevel: input.StepConcurrencyLevel
+    })
+  };
 };
 
 const serializeAws_json1_1ModifyInstanceFleetInput = (
   input: ModifyInstanceFleetInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ClusterId !== undefined) {
-    bodyParams["ClusterId"] = input.ClusterId;
-  }
-  if (input.InstanceFleet !== undefined) {
-    bodyParams["InstanceFleet"] = serializeAws_json1_1InstanceFleetModifyConfig(
-      input.InstanceFleet,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ClusterId !== undefined && { ClusterId: input.ClusterId }),
+    ...(input.InstanceFleet !== undefined && {
+      InstanceFleet: serializeAws_json1_1InstanceFleetModifyConfig(
+        input.InstanceFleet,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1ModifyInstanceGroupsInput = (
   input: ModifyInstanceGroupsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ClusterId !== undefined) {
-    bodyParams["ClusterId"] = input.ClusterId;
-  }
-  if (input.InstanceGroups !== undefined) {
-    bodyParams[
-      "InstanceGroups"
-    ] = serializeAws_json1_1InstanceGroupModifyConfigList(
-      input.InstanceGroups,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ClusterId !== undefined && { ClusterId: input.ClusterId }),
+    ...(input.InstanceGroups !== undefined && {
+      InstanceGroups: serializeAws_json1_1InstanceGroupModifyConfigList(
+        input.InstanceGroups,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1NewSupportedProductsList = (
@@ -3871,33 +3707,27 @@ const serializeAws_json1_1PlacementType = (
   input: PlacementType,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AvailabilityZone !== undefined) {
-    bodyParams["AvailabilityZone"] = input.AvailabilityZone;
-  }
-  if (input.AvailabilityZones !== undefined) {
-    bodyParams[
-      "AvailabilityZones"
-    ] = serializeAws_json1_1XmlStringMaxLen256List(
-      input.AvailabilityZones,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.AvailabilityZone !== undefined && {
+      AvailabilityZone: input.AvailabilityZone
+    }),
+    ...(input.AvailabilityZones !== undefined && {
+      AvailabilityZones: serializeAws_json1_1XmlStringMaxLen256List(
+        input.AvailabilityZones,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1PortRange = (
   input: PortRange,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxRange !== undefined) {
-    bodyParams["MaxRange"] = input.MaxRange;
-  }
-  if (input.MinRange !== undefined) {
-    bodyParams["MinRange"] = input.MinRange;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxRange !== undefined && { MaxRange: input.MaxRange }),
+    ...(input.MinRange !== undefined && { MinRange: input.MinRange })
+  };
 };
 
 const serializeAws_json1_1PortRanges = (
@@ -3911,234 +3741,186 @@ const serializeAws_json1_1PutAutoScalingPolicyInput = (
   input: PutAutoScalingPolicyInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AutoScalingPolicy !== undefined) {
-    bodyParams["AutoScalingPolicy"] = serializeAws_json1_1AutoScalingPolicy(
-      input.AutoScalingPolicy,
-      context
-    );
-  }
-  if (input.ClusterId !== undefined) {
-    bodyParams["ClusterId"] = input.ClusterId;
-  }
-  if (input.InstanceGroupId !== undefined) {
-    bodyParams["InstanceGroupId"] = input.InstanceGroupId;
-  }
-  return bodyParams;
+  return {
+    ...(input.AutoScalingPolicy !== undefined && {
+      AutoScalingPolicy: serializeAws_json1_1AutoScalingPolicy(
+        input.AutoScalingPolicy,
+        context
+      )
+    }),
+    ...(input.ClusterId !== undefined && { ClusterId: input.ClusterId }),
+    ...(input.InstanceGroupId !== undefined && {
+      InstanceGroupId: input.InstanceGroupId
+    })
+  };
 };
 
 const serializeAws_json1_1PutBlockPublicAccessConfigurationInput = (
   input: PutBlockPublicAccessConfigurationInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.BlockPublicAccessConfiguration !== undefined) {
-    bodyParams[
-      "BlockPublicAccessConfiguration"
-    ] = serializeAws_json1_1BlockPublicAccessConfiguration(
-      input.BlockPublicAccessConfiguration,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.BlockPublicAccessConfiguration !== undefined && {
+      BlockPublicAccessConfiguration: serializeAws_json1_1BlockPublicAccessConfiguration(
+        input.BlockPublicAccessConfiguration,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1RemoveAutoScalingPolicyInput = (
   input: RemoveAutoScalingPolicyInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ClusterId !== undefined) {
-    bodyParams["ClusterId"] = input.ClusterId;
-  }
-  if (input.InstanceGroupId !== undefined) {
-    bodyParams["InstanceGroupId"] = input.InstanceGroupId;
-  }
-  return bodyParams;
+  return {
+    ...(input.ClusterId !== undefined && { ClusterId: input.ClusterId }),
+    ...(input.InstanceGroupId !== undefined && {
+      InstanceGroupId: input.InstanceGroupId
+    })
+  };
 };
 
 const serializeAws_json1_1RemoveTagsInput = (
   input: RemoveTagsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceId !== undefined) {
-    bodyParams["ResourceId"] = input.ResourceId;
-  }
-  if (input.TagKeys !== undefined) {
-    bodyParams["TagKeys"] = serializeAws_json1_1StringList(
-      input.TagKeys,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceId !== undefined && { ResourceId: input.ResourceId }),
+    ...(input.TagKeys !== undefined && {
+      TagKeys: serializeAws_json1_1StringList(input.TagKeys, context)
+    })
+  };
 };
 
 const serializeAws_json1_1RunJobFlowInput = (
   input: RunJobFlowInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AdditionalInfo !== undefined) {
-    bodyParams["AdditionalInfo"] = input.AdditionalInfo;
-  }
-  if (input.AmiVersion !== undefined) {
-    bodyParams["AmiVersion"] = input.AmiVersion;
-  }
-  if (input.Applications !== undefined) {
-    bodyParams["Applications"] = serializeAws_json1_1ApplicationList(
-      input.Applications,
-      context
-    );
-  }
-  if (input.AutoScalingRole !== undefined) {
-    bodyParams["AutoScalingRole"] = input.AutoScalingRole;
-  }
-  if (input.BootstrapActions !== undefined) {
-    bodyParams[
-      "BootstrapActions"
-    ] = serializeAws_json1_1BootstrapActionConfigList(
-      input.BootstrapActions,
-      context
-    );
-  }
-  if (input.Configurations !== undefined) {
-    bodyParams["Configurations"] = serializeAws_json1_1ConfigurationList(
-      input.Configurations,
-      context
-    );
-  }
-  if (input.CustomAmiId !== undefined) {
-    bodyParams["CustomAmiId"] = input.CustomAmiId;
-  }
-  if (input.EbsRootVolumeSize !== undefined) {
-    bodyParams["EbsRootVolumeSize"] = input.EbsRootVolumeSize;
-  }
-  if (input.Instances !== undefined) {
-    bodyParams["Instances"] = serializeAws_json1_1JobFlowInstancesConfig(
-      input.Instances,
-      context
-    );
-  }
-  if (input.JobFlowRole !== undefined) {
-    bodyParams["JobFlowRole"] = input.JobFlowRole;
-  }
-  if (input.KerberosAttributes !== undefined) {
-    bodyParams["KerberosAttributes"] = serializeAws_json1_1KerberosAttributes(
-      input.KerberosAttributes,
-      context
-    );
-  }
-  if (input.LogUri !== undefined) {
-    bodyParams["LogUri"] = input.LogUri;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.NewSupportedProducts !== undefined) {
-    bodyParams[
-      "NewSupportedProducts"
-    ] = serializeAws_json1_1NewSupportedProductsList(
-      input.NewSupportedProducts,
-      context
-    );
-  }
-  if (input.ReleaseLabel !== undefined) {
-    bodyParams["ReleaseLabel"] = input.ReleaseLabel;
-  }
-  if (input.RepoUpgradeOnBoot !== undefined) {
-    bodyParams["RepoUpgradeOnBoot"] = input.RepoUpgradeOnBoot;
-  }
-  if (input.ScaleDownBehavior !== undefined) {
-    bodyParams["ScaleDownBehavior"] = input.ScaleDownBehavior;
-  }
-  if (input.SecurityConfiguration !== undefined) {
-    bodyParams["SecurityConfiguration"] = input.SecurityConfiguration;
-  }
-  if (input.ServiceRole !== undefined) {
-    bodyParams["ServiceRole"] = input.ServiceRole;
-  }
-  if (input.StepConcurrencyLevel !== undefined) {
-    bodyParams["StepConcurrencyLevel"] = input.StepConcurrencyLevel;
-  }
-  if (input.Steps !== undefined) {
-    bodyParams["Steps"] = serializeAws_json1_1StepConfigList(
-      input.Steps,
-      context
-    );
-  }
-  if (input.SupportedProducts !== undefined) {
-    bodyParams["SupportedProducts"] = serializeAws_json1_1SupportedProductsList(
-      input.SupportedProducts,
-      context
-    );
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagList(input.Tags, context);
-  }
-  if (input.VisibleToAllUsers !== undefined) {
-    bodyParams["VisibleToAllUsers"] = input.VisibleToAllUsers;
-  }
-  return bodyParams;
+  return {
+    ...(input.AdditionalInfo !== undefined && {
+      AdditionalInfo: input.AdditionalInfo
+    }),
+    ...(input.AmiVersion !== undefined && { AmiVersion: input.AmiVersion }),
+    ...(input.Applications !== undefined && {
+      Applications: serializeAws_json1_1ApplicationList(
+        input.Applications,
+        context
+      )
+    }),
+    ...(input.AutoScalingRole !== undefined && {
+      AutoScalingRole: input.AutoScalingRole
+    }),
+    ...(input.BootstrapActions !== undefined && {
+      BootstrapActions: serializeAws_json1_1BootstrapActionConfigList(
+        input.BootstrapActions,
+        context
+      )
+    }),
+    ...(input.Configurations !== undefined && {
+      Configurations: serializeAws_json1_1ConfigurationList(
+        input.Configurations,
+        context
+      )
+    }),
+    ...(input.CustomAmiId !== undefined && { CustomAmiId: input.CustomAmiId }),
+    ...(input.EbsRootVolumeSize !== undefined && {
+      EbsRootVolumeSize: input.EbsRootVolumeSize
+    }),
+    ...(input.Instances !== undefined && {
+      Instances: serializeAws_json1_1JobFlowInstancesConfig(
+        input.Instances,
+        context
+      )
+    }),
+    ...(input.JobFlowRole !== undefined && { JobFlowRole: input.JobFlowRole }),
+    ...(input.KerberosAttributes !== undefined && {
+      KerberosAttributes: serializeAws_json1_1KerberosAttributes(
+        input.KerberosAttributes,
+        context
+      )
+    }),
+    ...(input.LogUri !== undefined && { LogUri: input.LogUri }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.NewSupportedProducts !== undefined && {
+      NewSupportedProducts: serializeAws_json1_1NewSupportedProductsList(
+        input.NewSupportedProducts,
+        context
+      )
+    }),
+    ...(input.ReleaseLabel !== undefined && {
+      ReleaseLabel: input.ReleaseLabel
+    }),
+    ...(input.RepoUpgradeOnBoot !== undefined && {
+      RepoUpgradeOnBoot: input.RepoUpgradeOnBoot
+    }),
+    ...(input.ScaleDownBehavior !== undefined && {
+      ScaleDownBehavior: input.ScaleDownBehavior
+    }),
+    ...(input.SecurityConfiguration !== undefined && {
+      SecurityConfiguration: input.SecurityConfiguration
+    }),
+    ...(input.ServiceRole !== undefined && { ServiceRole: input.ServiceRole }),
+    ...(input.StepConcurrencyLevel !== undefined && {
+      StepConcurrencyLevel: input.StepConcurrencyLevel
+    }),
+    ...(input.Steps !== undefined && {
+      Steps: serializeAws_json1_1StepConfigList(input.Steps, context)
+    }),
+    ...(input.SupportedProducts !== undefined && {
+      SupportedProducts: serializeAws_json1_1SupportedProductsList(
+        input.SupportedProducts,
+        context
+      )
+    }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagList(input.Tags, context)
+    }),
+    ...(input.VisibleToAllUsers !== undefined && {
+      VisibleToAllUsers: input.VisibleToAllUsers
+    })
+  };
 };
 
 const serializeAws_json1_1ScalingAction = (
   input: ScalingAction,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Market !== undefined) {
-    bodyParams["Market"] = input.Market;
-  }
-  if (input.SimpleScalingPolicyConfiguration !== undefined) {
-    bodyParams[
-      "SimpleScalingPolicyConfiguration"
-    ] = serializeAws_json1_1SimpleScalingPolicyConfiguration(
-      input.SimpleScalingPolicyConfiguration,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Market !== undefined && { Market: input.Market }),
+    ...(input.SimpleScalingPolicyConfiguration !== undefined && {
+      SimpleScalingPolicyConfiguration: serializeAws_json1_1SimpleScalingPolicyConfiguration(
+        input.SimpleScalingPolicyConfiguration,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1ScalingConstraints = (
   input: ScalingConstraints,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxCapacity !== undefined) {
-    bodyParams["MaxCapacity"] = input.MaxCapacity;
-  }
-  if (input.MinCapacity !== undefined) {
-    bodyParams["MinCapacity"] = input.MinCapacity;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxCapacity !== undefined && { MaxCapacity: input.MaxCapacity }),
+    ...(input.MinCapacity !== undefined && { MinCapacity: input.MinCapacity })
+  };
 };
 
 const serializeAws_json1_1ScalingRule = (
   input: ScalingRule,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Action !== undefined) {
-    bodyParams["Action"] = serializeAws_json1_1ScalingAction(
-      input.Action,
-      context
-    );
-  }
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.Trigger !== undefined) {
-    bodyParams["Trigger"] = serializeAws_json1_1ScalingTrigger(
-      input.Trigger,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Action !== undefined && {
+      Action: serializeAws_json1_1ScalingAction(input.Action, context)
+    }),
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.Trigger !== undefined && {
+      Trigger: serializeAws_json1_1ScalingTrigger(input.Trigger, context)
+    })
+  };
 };
 
 const serializeAws_json1_1ScalingRuleList = (
@@ -4152,30 +3934,26 @@ const serializeAws_json1_1ScalingTrigger = (
   input: ScalingTrigger,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CloudWatchAlarmDefinition !== undefined) {
-    bodyParams[
-      "CloudWatchAlarmDefinition"
-    ] = serializeAws_json1_1CloudWatchAlarmDefinition(
-      input.CloudWatchAlarmDefinition,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.CloudWatchAlarmDefinition !== undefined && {
+      CloudWatchAlarmDefinition: serializeAws_json1_1CloudWatchAlarmDefinition(
+        input.CloudWatchAlarmDefinition,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1ScriptBootstrapActionConfig = (
   input: ScriptBootstrapActionConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Args !== undefined) {
-    bodyParams["Args"] = serializeAws_json1_1XmlStringList(input.Args, context);
-  }
-  if (input.Path !== undefined) {
-    bodyParams["Path"] = input.Path;
-  }
-  return bodyParams;
+  return {
+    ...(input.Args !== undefined && {
+      Args: serializeAws_json1_1XmlStringList(input.Args, context)
+    }),
+    ...(input.Path !== undefined && { Path: input.Path })
+  };
 };
 
 const serializeAws_json1_1SecurityGroupsList = (
@@ -4189,107 +3967,95 @@ const serializeAws_json1_1SetTerminationProtectionInput = (
   input: SetTerminationProtectionInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.JobFlowIds !== undefined) {
-    bodyParams["JobFlowIds"] = serializeAws_json1_1XmlStringList(
-      input.JobFlowIds,
-      context
-    );
-  }
-  if (input.TerminationProtected !== undefined) {
-    bodyParams["TerminationProtected"] = input.TerminationProtected;
-  }
-  return bodyParams;
+  return {
+    ...(input.JobFlowIds !== undefined && {
+      JobFlowIds: serializeAws_json1_1XmlStringList(input.JobFlowIds, context)
+    }),
+    ...(input.TerminationProtected !== undefined && {
+      TerminationProtected: input.TerminationProtected
+    })
+  };
 };
 
 const serializeAws_json1_1SetVisibleToAllUsersInput = (
   input: SetVisibleToAllUsersInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.JobFlowIds !== undefined) {
-    bodyParams["JobFlowIds"] = serializeAws_json1_1XmlStringList(
-      input.JobFlowIds,
-      context
-    );
-  }
-  if (input.VisibleToAllUsers !== undefined) {
-    bodyParams["VisibleToAllUsers"] = input.VisibleToAllUsers;
-  }
-  return bodyParams;
+  return {
+    ...(input.JobFlowIds !== undefined && {
+      JobFlowIds: serializeAws_json1_1XmlStringList(input.JobFlowIds, context)
+    }),
+    ...(input.VisibleToAllUsers !== undefined && {
+      VisibleToAllUsers: input.VisibleToAllUsers
+    })
+  };
 };
 
 const serializeAws_json1_1ShrinkPolicy = (
   input: ShrinkPolicy,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DecommissionTimeout !== undefined) {
-    bodyParams["DecommissionTimeout"] = input.DecommissionTimeout;
-  }
-  if (input.InstanceResizePolicy !== undefined) {
-    bodyParams[
-      "InstanceResizePolicy"
-    ] = serializeAws_json1_1InstanceResizePolicy(
-      input.InstanceResizePolicy,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.DecommissionTimeout !== undefined && {
+      DecommissionTimeout: input.DecommissionTimeout
+    }),
+    ...(input.InstanceResizePolicy !== undefined && {
+      InstanceResizePolicy: serializeAws_json1_1InstanceResizePolicy(
+        input.InstanceResizePolicy,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1SimpleScalingPolicyConfiguration = (
   input: SimpleScalingPolicyConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AdjustmentType !== undefined) {
-    bodyParams["AdjustmentType"] = input.AdjustmentType;
-  }
-  if (input.CoolDown !== undefined) {
-    bodyParams["CoolDown"] = input.CoolDown;
-  }
-  if (input.ScalingAdjustment !== undefined) {
-    bodyParams["ScalingAdjustment"] = input.ScalingAdjustment;
-  }
-  return bodyParams;
+  return {
+    ...(input.AdjustmentType !== undefined && {
+      AdjustmentType: input.AdjustmentType
+    }),
+    ...(input.CoolDown !== undefined && { CoolDown: input.CoolDown }),
+    ...(input.ScalingAdjustment !== undefined && {
+      ScalingAdjustment: input.ScalingAdjustment
+    })
+  };
 };
 
 const serializeAws_json1_1SpotProvisioningSpecification = (
   input: SpotProvisioningSpecification,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.BlockDurationMinutes !== undefined) {
-    bodyParams["BlockDurationMinutes"] = input.BlockDurationMinutes;
-  }
-  if (input.TimeoutAction !== undefined) {
-    bodyParams["TimeoutAction"] = input.TimeoutAction;
-  }
-  if (input.TimeoutDurationMinutes !== undefined) {
-    bodyParams["TimeoutDurationMinutes"] = input.TimeoutDurationMinutes;
-  }
-  return bodyParams;
+  return {
+    ...(input.BlockDurationMinutes !== undefined && {
+      BlockDurationMinutes: input.BlockDurationMinutes
+    }),
+    ...(input.TimeoutAction !== undefined && {
+      TimeoutAction: input.TimeoutAction
+    }),
+    ...(input.TimeoutDurationMinutes !== undefined && {
+      TimeoutDurationMinutes: input.TimeoutDurationMinutes
+    })
+  };
 };
 
 const serializeAws_json1_1StepConfig = (
   input: StepConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ActionOnFailure !== undefined) {
-    bodyParams["ActionOnFailure"] = input.ActionOnFailure;
-  }
-  if (input.HadoopJarStep !== undefined) {
-    bodyParams["HadoopJarStep"] = serializeAws_json1_1HadoopJarStepConfig(
-      input.HadoopJarStep,
-      context
-    );
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.ActionOnFailure !== undefined && {
+      ActionOnFailure: input.ActionOnFailure
+    }),
+    ...(input.HadoopJarStep !== undefined && {
+      HadoopJarStep: serializeAws_json1_1HadoopJarStepConfig(
+        input.HadoopJarStep,
+        context
+      )
+    }),
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1StepConfigList = (
@@ -4334,14 +4100,12 @@ const serializeAws_json1_1SupportedProductConfig = (
   input: SupportedProductConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Args !== undefined) {
-    bodyParams["Args"] = serializeAws_json1_1XmlStringList(input.Args, context);
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.Args !== undefined && {
+      Args: serializeAws_json1_1XmlStringList(input.Args, context)
+    }),
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1SupportedProductsList = (
@@ -4352,14 +4116,10 @@ const serializeAws_json1_1SupportedProductsList = (
 };
 
 const serializeAws_json1_1Tag = (input: Tag, context: __SerdeContext): any => {
-  const bodyParams: any = {};
-  if (input.Key !== undefined) {
-    bodyParams["Key"] = input.Key;
-  }
-  if (input.Value !== undefined) {
-    bodyParams["Value"] = input.Value;
-  }
-  return bodyParams;
+  return {
+    ...(input.Key !== undefined && { Key: input.Key }),
+    ...(input.Value !== undefined && { Value: input.Value })
+  };
 };
 
 const serializeAws_json1_1TagList = (
@@ -4373,31 +4133,22 @@ const serializeAws_json1_1TerminateJobFlowsInput = (
   input: TerminateJobFlowsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.JobFlowIds !== undefined) {
-    bodyParams["JobFlowIds"] = serializeAws_json1_1XmlStringList(
-      input.JobFlowIds,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.JobFlowIds !== undefined && {
+      JobFlowIds: serializeAws_json1_1XmlStringList(input.JobFlowIds, context)
+    })
+  };
 };
 
 const serializeAws_json1_1VolumeSpecification = (
   input: VolumeSpecification,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Iops !== undefined) {
-    bodyParams["Iops"] = input.Iops;
-  }
-  if (input.SizeInGB !== undefined) {
-    bodyParams["SizeInGB"] = input.SizeInGB;
-  }
-  if (input.VolumeType !== undefined) {
-    bodyParams["VolumeType"] = input.VolumeType;
-  }
-  return bodyParams;
+  return {
+    ...(input.Iops !== undefined && { Iops: input.Iops }),
+    ...(input.SizeInGB !== undefined && { SizeInGB: input.SizeInGB }),
+    ...(input.VolumeType !== undefined && { VolumeType: input.VolumeType })
+  };
 };
 
 const serializeAws_json1_1XmlStringList = (
diff --git a/clients/client-eventbridge/protocols/Aws_json1_1.ts b/clients/client-eventbridge/protocols/Aws_json1_1.ts
index a50c71250105..58f84eddf2c7 100644
--- a/clients/client-eventbridge/protocols/Aws_json1_1.ts
+++ b/clients/client-eventbridge/protocols/Aws_json1_1.ts
@@ -3299,286 +3299,231 @@ const serializeAws_json1_1ActivateEventSourceRequest = (
   input: ActivateEventSourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1AwsVpcConfiguration = (
   input: AwsVpcConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AssignPublicIp !== undefined) {
-    bodyParams["AssignPublicIp"] = input.AssignPublicIp;
-  }
-  if (input.SecurityGroups !== undefined) {
-    bodyParams["SecurityGroups"] = serializeAws_json1_1StringList(
-      input.SecurityGroups,
-      context
-    );
-  }
-  if (input.Subnets !== undefined) {
-    bodyParams["Subnets"] = serializeAws_json1_1StringList(
-      input.Subnets,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.AssignPublicIp !== undefined && {
+      AssignPublicIp: input.AssignPublicIp
+    }),
+    ...(input.SecurityGroups !== undefined && {
+      SecurityGroups: serializeAws_json1_1StringList(
+        input.SecurityGroups,
+        context
+      )
+    }),
+    ...(input.Subnets !== undefined && {
+      Subnets: serializeAws_json1_1StringList(input.Subnets, context)
+    })
+  };
 };
 
 const serializeAws_json1_1BatchArrayProperties = (
   input: BatchArrayProperties,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Size !== undefined) {
-    bodyParams["Size"] = input.Size;
-  }
-  return bodyParams;
+  return {
+    ...(input.Size !== undefined && { Size: input.Size })
+  };
 };
 
 const serializeAws_json1_1BatchParameters = (
   input: BatchParameters,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ArrayProperties !== undefined) {
-    bodyParams["ArrayProperties"] = serializeAws_json1_1BatchArrayProperties(
-      input.ArrayProperties,
-      context
-    );
-  }
-  if (input.JobDefinition !== undefined) {
-    bodyParams["JobDefinition"] = input.JobDefinition;
-  }
-  if (input.JobName !== undefined) {
-    bodyParams["JobName"] = input.JobName;
-  }
-  if (input.RetryStrategy !== undefined) {
-    bodyParams["RetryStrategy"] = serializeAws_json1_1BatchRetryStrategy(
-      input.RetryStrategy,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ArrayProperties !== undefined && {
+      ArrayProperties: serializeAws_json1_1BatchArrayProperties(
+        input.ArrayProperties,
+        context
+      )
+    }),
+    ...(input.JobDefinition !== undefined && {
+      JobDefinition: input.JobDefinition
+    }),
+    ...(input.JobName !== undefined && { JobName: input.JobName }),
+    ...(input.RetryStrategy !== undefined && {
+      RetryStrategy: serializeAws_json1_1BatchRetryStrategy(
+        input.RetryStrategy,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1BatchRetryStrategy = (
   input: BatchRetryStrategy,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Attempts !== undefined) {
-    bodyParams["Attempts"] = input.Attempts;
-  }
-  return bodyParams;
+  return {
+    ...(input.Attempts !== undefined && { Attempts: input.Attempts })
+  };
 };
 
 const serializeAws_json1_1Condition = (
   input: Condition,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Key !== undefined) {
-    bodyParams["Key"] = input.Key;
-  }
-  if (input.Type !== undefined) {
-    bodyParams["Type"] = input.Type;
-  }
-  if (input.Value !== undefined) {
-    bodyParams["Value"] = input.Value;
-  }
-  return bodyParams;
+  return {
+    ...(input.Key !== undefined && { Key: input.Key }),
+    ...(input.Type !== undefined && { Type: input.Type }),
+    ...(input.Value !== undefined && { Value: input.Value })
+  };
 };
 
 const serializeAws_json1_1CreateEventBusRequest = (
   input: CreateEventBusRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EventSourceName !== undefined) {
-    bodyParams["EventSourceName"] = input.EventSourceName;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.EventSourceName !== undefined && {
+      EventSourceName: input.EventSourceName
+    }),
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1CreatePartnerEventSourceRequest = (
   input: CreatePartnerEventSourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Account !== undefined) {
-    bodyParams["Account"] = input.Account;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.Account !== undefined && { Account: input.Account }),
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1DeactivateEventSourceRequest = (
   input: DeactivateEventSourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1DeleteEventBusRequest = (
   input: DeleteEventBusRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1DeletePartnerEventSourceRequest = (
   input: DeletePartnerEventSourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Account !== undefined) {
-    bodyParams["Account"] = input.Account;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.Account !== undefined && { Account: input.Account }),
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1DeleteRuleRequest = (
   input: DeleteRuleRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EventBusName !== undefined) {
-    bodyParams["EventBusName"] = input.EventBusName;
-  }
-  if (input.Force !== undefined) {
-    bodyParams["Force"] = input.Force;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.EventBusName !== undefined && {
+      EventBusName: input.EventBusName
+    }),
+    ...(input.Force !== undefined && { Force: input.Force }),
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1DescribeEventBusRequest = (
   input: DescribeEventBusRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1DescribeEventSourceRequest = (
   input: DescribeEventSourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1DescribePartnerEventSourceRequest = (
   input: DescribePartnerEventSourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1DescribeRuleRequest = (
   input: DescribeRuleRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EventBusName !== undefined) {
-    bodyParams["EventBusName"] = input.EventBusName;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.EventBusName !== undefined && {
+      EventBusName: input.EventBusName
+    }),
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1DisableRuleRequest = (
   input: DisableRuleRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EventBusName !== undefined) {
-    bodyParams["EventBusName"] = input.EventBusName;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.EventBusName !== undefined && {
+      EventBusName: input.EventBusName
+    }),
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1EcsParameters = (
   input: EcsParameters,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Group !== undefined) {
-    bodyParams["Group"] = input.Group;
-  }
-  if (input.LaunchType !== undefined) {
-    bodyParams["LaunchType"] = input.LaunchType;
-  }
-  if (input.NetworkConfiguration !== undefined) {
-    bodyParams[
-      "NetworkConfiguration"
-    ] = serializeAws_json1_1NetworkConfiguration(
-      input.NetworkConfiguration,
-      context
-    );
-  }
-  if (input.PlatformVersion !== undefined) {
-    bodyParams["PlatformVersion"] = input.PlatformVersion;
-  }
-  if (input.TaskCount !== undefined) {
-    bodyParams["TaskCount"] = input.TaskCount;
-  }
-  if (input.TaskDefinitionArn !== undefined) {
-    bodyParams["TaskDefinitionArn"] = input.TaskDefinitionArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.Group !== undefined && { Group: input.Group }),
+    ...(input.LaunchType !== undefined && { LaunchType: input.LaunchType }),
+    ...(input.NetworkConfiguration !== undefined && {
+      NetworkConfiguration: serializeAws_json1_1NetworkConfiguration(
+        input.NetworkConfiguration,
+        context
+      )
+    }),
+    ...(input.PlatformVersion !== undefined && {
+      PlatformVersion: input.PlatformVersion
+    }),
+    ...(input.TaskCount !== undefined && { TaskCount: input.TaskCount }),
+    ...(input.TaskDefinitionArn !== undefined && {
+      TaskDefinitionArn: input.TaskDefinitionArn
+    })
+  };
 };
 
 const serializeAws_json1_1EnableRuleRequest = (
   input: EnableRuleRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EventBusName !== undefined) {
-    bodyParams["EventBusName"] = input.EventBusName;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.EventBusName !== undefined && {
+      EventBusName: input.EventBusName
+    }),
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1EventResourceList = (
@@ -3592,224 +3537,173 @@ const serializeAws_json1_1InputTransformer = (
   input: InputTransformer,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.InputPathsMap !== undefined) {
-    bodyParams["InputPathsMap"] = serializeAws_json1_1TransformerPaths(
-      input.InputPathsMap,
-      context
-    );
-  }
-  if (input.InputTemplate !== undefined) {
-    bodyParams["InputTemplate"] = input.InputTemplate;
-  }
-  return bodyParams;
+  return {
+    ...(input.InputPathsMap !== undefined && {
+      InputPathsMap: serializeAws_json1_1TransformerPaths(
+        input.InputPathsMap,
+        context
+      )
+    }),
+    ...(input.InputTemplate !== undefined && {
+      InputTemplate: input.InputTemplate
+    })
+  };
 };
 
 const serializeAws_json1_1KinesisParameters = (
   input: KinesisParameters,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.PartitionKeyPath !== undefined) {
-    bodyParams["PartitionKeyPath"] = input.PartitionKeyPath;
-  }
-  return bodyParams;
+  return {
+    ...(input.PartitionKeyPath !== undefined && {
+      PartitionKeyPath: input.PartitionKeyPath
+    })
+  };
 };
 
 const serializeAws_json1_1ListEventBusesRequest = (
   input: ListEventBusesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.NamePrefix !== undefined) {
-    bodyParams["NamePrefix"] = input.NamePrefix;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.NamePrefix !== undefined && { NamePrefix: input.NamePrefix }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1ListEventSourcesRequest = (
   input: ListEventSourcesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.NamePrefix !== undefined) {
-    bodyParams["NamePrefix"] = input.NamePrefix;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.NamePrefix !== undefined && { NamePrefix: input.NamePrefix }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1ListPartnerEventSourceAccountsRequest = (
   input: ListPartnerEventSourceAccountsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EventSourceName !== undefined) {
-    bodyParams["EventSourceName"] = input.EventSourceName;
-  }
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.EventSourceName !== undefined && {
+      EventSourceName: input.EventSourceName
+    }),
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1ListPartnerEventSourcesRequest = (
   input: ListPartnerEventSourcesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.NamePrefix !== undefined) {
-    bodyParams["NamePrefix"] = input.NamePrefix;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.NamePrefix !== undefined && { NamePrefix: input.NamePrefix }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1ListRuleNamesByTargetRequest = (
   input: ListRuleNamesByTargetRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EventBusName !== undefined) {
-    bodyParams["EventBusName"] = input.EventBusName;
-  }
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.TargetArn !== undefined) {
-    bodyParams["TargetArn"] = input.TargetArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.EventBusName !== undefined && {
+      EventBusName: input.EventBusName
+    }),
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.TargetArn !== undefined && { TargetArn: input.TargetArn })
+  };
 };
 
 const serializeAws_json1_1ListRulesRequest = (
   input: ListRulesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EventBusName !== undefined) {
-    bodyParams["EventBusName"] = input.EventBusName;
-  }
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.NamePrefix !== undefined) {
-    bodyParams["NamePrefix"] = input.NamePrefix;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.EventBusName !== undefined && {
+      EventBusName: input.EventBusName
+    }),
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.NamePrefix !== undefined && { NamePrefix: input.NamePrefix }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1ListTagsForResourceRequest = (
   input: ListTagsForResourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceARN !== undefined) {
-    bodyParams["ResourceARN"] = input.ResourceARN;
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceARN !== undefined && { ResourceARN: input.ResourceARN })
+  };
 };
 
 const serializeAws_json1_1ListTargetsByRuleRequest = (
   input: ListTargetsByRuleRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EventBusName !== undefined) {
-    bodyParams["EventBusName"] = input.EventBusName;
-  }
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.Rule !== undefined) {
-    bodyParams["Rule"] = input.Rule;
-  }
-  return bodyParams;
+  return {
+    ...(input.EventBusName !== undefined && {
+      EventBusName: input.EventBusName
+    }),
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.Rule !== undefined && { Rule: input.Rule })
+  };
 };
 
 const serializeAws_json1_1NetworkConfiguration = (
   input: NetworkConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.awsvpcConfiguration !== undefined) {
-    bodyParams["awsvpcConfiguration"] = serializeAws_json1_1AwsVpcConfiguration(
-      input.awsvpcConfiguration,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.awsvpcConfiguration !== undefined && {
+      awsvpcConfiguration: serializeAws_json1_1AwsVpcConfiguration(
+        input.awsvpcConfiguration,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1PutEventsRequest = (
   input: PutEventsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Entries !== undefined) {
-    bodyParams["Entries"] = serializeAws_json1_1PutEventsRequestEntryList(
-      input.Entries,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Entries !== undefined && {
+      Entries: serializeAws_json1_1PutEventsRequestEntryList(
+        input.Entries,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1PutEventsRequestEntry = (
   input: PutEventsRequestEntry,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Detail !== undefined) {
-    bodyParams["Detail"] = input.Detail;
-  }
-  if (input.DetailType !== undefined) {
-    bodyParams["DetailType"] = input.DetailType;
-  }
-  if (input.EventBusName !== undefined) {
-    bodyParams["EventBusName"] = input.EventBusName;
-  }
-  if (input.Resources !== undefined) {
-    bodyParams["Resources"] = serializeAws_json1_1EventResourceList(
-      input.Resources,
-      context
-    );
-  }
-  if (input.Source !== undefined) {
-    bodyParams["Source"] = input.Source;
-  }
-  if (input.Time !== undefined) {
-    bodyParams["Time"] = Math.round(input.Time.getTime() / 1000);
-  }
-  return bodyParams;
+  return {
+    ...(input.Detail !== undefined && { Detail: input.Detail }),
+    ...(input.DetailType !== undefined && { DetailType: input.DetailType }),
+    ...(input.EventBusName !== undefined && {
+      EventBusName: input.EventBusName
+    }),
+    ...(input.Resources !== undefined && {
+      Resources: serializeAws_json1_1EventResourceList(input.Resources, context)
+    }),
+    ...(input.Source !== undefined && { Source: input.Source }),
+    ...(input.Time !== undefined && {
+      Time: Math.round(input.Time.getTime() / 1000)
+    })
+  };
 };
 
 const serializeAws_json1_1PutEventsRequestEntryList = (
@@ -3825,42 +3719,31 @@ const serializeAws_json1_1PutPartnerEventsRequest = (
   input: PutPartnerEventsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Entries !== undefined) {
-    bodyParams[
-      "Entries"
-    ] = serializeAws_json1_1PutPartnerEventsRequestEntryList(
-      input.Entries,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Entries !== undefined && {
+      Entries: serializeAws_json1_1PutPartnerEventsRequestEntryList(
+        input.Entries,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1PutPartnerEventsRequestEntry = (
   input: PutPartnerEventsRequestEntry,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Detail !== undefined) {
-    bodyParams["Detail"] = input.Detail;
-  }
-  if (input.DetailType !== undefined) {
-    bodyParams["DetailType"] = input.DetailType;
-  }
-  if (input.Resources !== undefined) {
-    bodyParams["Resources"] = serializeAws_json1_1EventResourceList(
-      input.Resources,
-      context
-    );
-  }
-  if (input.Source !== undefined) {
-    bodyParams["Source"] = input.Source;
-  }
-  if (input.Time !== undefined) {
-    bodyParams["Time"] = Math.round(input.Time.getTime() / 1000);
-  }
-  return bodyParams;
+  return {
+    ...(input.Detail !== undefined && { Detail: input.Detail }),
+    ...(input.DetailType !== undefined && { DetailType: input.DetailType }),
+    ...(input.Resources !== undefined && {
+      Resources: serializeAws_json1_1EventResourceList(input.Resources, context)
+    }),
+    ...(input.Source !== undefined && { Source: input.Source }),
+    ...(input.Time !== undefined && {
+      Time: Math.round(input.Time.getTime() / 1000)
+    })
+  };
 };
 
 const serializeAws_json1_1PutPartnerEventsRequestEntryList = (
@@ -3876,143 +3759,110 @@ const serializeAws_json1_1PutPermissionRequest = (
   input: PutPermissionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Action !== undefined) {
-    bodyParams["Action"] = input.Action;
-  }
-  if (input.Condition !== undefined) {
-    bodyParams["Condition"] = serializeAws_json1_1Condition(
-      input.Condition,
-      context
-    );
-  }
-  if (input.EventBusName !== undefined) {
-    bodyParams["EventBusName"] = input.EventBusName;
-  }
-  if (input.Principal !== undefined) {
-    bodyParams["Principal"] = input.Principal;
-  }
-  if (input.StatementId !== undefined) {
-    bodyParams["StatementId"] = input.StatementId;
-  }
-  return bodyParams;
+  return {
+    ...(input.Action !== undefined && { Action: input.Action }),
+    ...(input.Condition !== undefined && {
+      Condition: serializeAws_json1_1Condition(input.Condition, context)
+    }),
+    ...(input.EventBusName !== undefined && {
+      EventBusName: input.EventBusName
+    }),
+    ...(input.Principal !== undefined && { Principal: input.Principal }),
+    ...(input.StatementId !== undefined && { StatementId: input.StatementId })
+  };
 };
 
 const serializeAws_json1_1PutRuleRequest = (
   input: PutRuleRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.EventBusName !== undefined) {
-    bodyParams["EventBusName"] = input.EventBusName;
-  }
-  if (input.EventPattern !== undefined) {
-    bodyParams["EventPattern"] = input.EventPattern;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.RoleArn !== undefined) {
-    bodyParams["RoleArn"] = input.RoleArn;
-  }
-  if (input.ScheduleExpression !== undefined) {
-    bodyParams["ScheduleExpression"] = input.ScheduleExpression;
-  }
-  if (input.State !== undefined) {
-    bodyParams["State"] = input.State;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagList(input.Tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.EventBusName !== undefined && {
+      EventBusName: input.EventBusName
+    }),
+    ...(input.EventPattern !== undefined && {
+      EventPattern: input.EventPattern
+    }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.RoleArn !== undefined && { RoleArn: input.RoleArn }),
+    ...(input.ScheduleExpression !== undefined && {
+      ScheduleExpression: input.ScheduleExpression
+    }),
+    ...(input.State !== undefined && { State: input.State }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagList(input.Tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1PutTargetsRequest = (
   input: PutTargetsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EventBusName !== undefined) {
-    bodyParams["EventBusName"] = input.EventBusName;
-  }
-  if (input.Rule !== undefined) {
-    bodyParams["Rule"] = input.Rule;
-  }
-  if (input.Targets !== undefined) {
-    bodyParams["Targets"] = serializeAws_json1_1TargetList(
-      input.Targets,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.EventBusName !== undefined && {
+      EventBusName: input.EventBusName
+    }),
+    ...(input.Rule !== undefined && { Rule: input.Rule }),
+    ...(input.Targets !== undefined && {
+      Targets: serializeAws_json1_1TargetList(input.Targets, context)
+    })
+  };
 };
 
 const serializeAws_json1_1RemovePermissionRequest = (
   input: RemovePermissionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EventBusName !== undefined) {
-    bodyParams["EventBusName"] = input.EventBusName;
-  }
-  if (input.StatementId !== undefined) {
-    bodyParams["StatementId"] = input.StatementId;
-  }
-  return bodyParams;
+  return {
+    ...(input.EventBusName !== undefined && {
+      EventBusName: input.EventBusName
+    }),
+    ...(input.StatementId !== undefined && { StatementId: input.StatementId })
+  };
 };
 
 const serializeAws_json1_1RemoveTargetsRequest = (
   input: RemoveTargetsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EventBusName !== undefined) {
-    bodyParams["EventBusName"] = input.EventBusName;
-  }
-  if (input.Force !== undefined) {
-    bodyParams["Force"] = input.Force;
-  }
-  if (input.Ids !== undefined) {
-    bodyParams["Ids"] = serializeAws_json1_1TargetIdList(input.Ids, context);
-  }
-  if (input.Rule !== undefined) {
-    bodyParams["Rule"] = input.Rule;
-  }
-  return bodyParams;
+  return {
+    ...(input.EventBusName !== undefined && {
+      EventBusName: input.EventBusName
+    }),
+    ...(input.Force !== undefined && { Force: input.Force }),
+    ...(input.Ids !== undefined && {
+      Ids: serializeAws_json1_1TargetIdList(input.Ids, context)
+    }),
+    ...(input.Rule !== undefined && { Rule: input.Rule })
+  };
 };
 
 const serializeAws_json1_1RunCommandParameters = (
   input: RunCommandParameters,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.RunCommandTargets !== undefined) {
-    bodyParams["RunCommandTargets"] = serializeAws_json1_1RunCommandTargets(
-      input.RunCommandTargets,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.RunCommandTargets !== undefined && {
+      RunCommandTargets: serializeAws_json1_1RunCommandTargets(
+        input.RunCommandTargets,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1RunCommandTarget = (
   input: RunCommandTarget,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Key !== undefined) {
-    bodyParams["Key"] = input.Key;
-  }
-  if (input.Values !== undefined) {
-    bodyParams["Values"] = serializeAws_json1_1RunCommandTargetValues(
-      input.Values,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Key !== undefined && { Key: input.Key }),
+    ...(input.Values !== undefined && {
+      Values: serializeAws_json1_1RunCommandTargetValues(input.Values, context)
+    })
+  };
 };
 
 const serializeAws_json1_1RunCommandTargetValues = (
@@ -4035,11 +3885,11 @@ const serializeAws_json1_1SqsParameters = (
   input: SqsParameters,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MessageGroupId !== undefined) {
-    bodyParams["MessageGroupId"] = input.MessageGroupId;
-  }
-  return bodyParams;
+  return {
+    ...(input.MessageGroupId !== undefined && {
+      MessageGroupId: input.MessageGroupId
+    })
+  };
 };
 
 const serializeAws_json1_1StringList = (
@@ -4050,14 +3900,10 @@ const serializeAws_json1_1StringList = (
 };
 
 const serializeAws_json1_1Tag = (input: Tag, context: __SerdeContext): any => {
-  const bodyParams: any = {};
-  if (input.Key !== undefined) {
-    bodyParams["Key"] = input.Key;
-  }
-  if (input.Value !== undefined) {
-    bodyParams["Value"] = input.Value;
-  }
-  return bodyParams;
+  return {
+    ...(input.Key !== undefined && { Key: input.Key }),
+    ...(input.Value !== undefined && { Value: input.Value })
+  };
 };
 
 const serializeAws_json1_1TagKeyList = (
@@ -4078,75 +3924,61 @@ const serializeAws_json1_1TagResourceRequest = (
   input: TagResourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceARN !== undefined) {
-    bodyParams["ResourceARN"] = input.ResourceARN;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagList(input.Tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceARN !== undefined && { ResourceARN: input.ResourceARN }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagList(input.Tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1Target = (
   input: Target,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Arn !== undefined) {
-    bodyParams["Arn"] = input.Arn;
-  }
-  if (input.BatchParameters !== undefined) {
-    bodyParams["BatchParameters"] = serializeAws_json1_1BatchParameters(
-      input.BatchParameters,
-      context
-    );
-  }
-  if (input.EcsParameters !== undefined) {
-    bodyParams["EcsParameters"] = serializeAws_json1_1EcsParameters(
-      input.EcsParameters,
-      context
-    );
-  }
-  if (input.Id !== undefined) {
-    bodyParams["Id"] = input.Id;
-  }
-  if (input.Input !== undefined) {
-    bodyParams["Input"] = input.Input;
-  }
-  if (input.InputPath !== undefined) {
-    bodyParams["InputPath"] = input.InputPath;
-  }
-  if (input.InputTransformer !== undefined) {
-    bodyParams["InputTransformer"] = serializeAws_json1_1InputTransformer(
-      input.InputTransformer,
-      context
-    );
-  }
-  if (input.KinesisParameters !== undefined) {
-    bodyParams["KinesisParameters"] = serializeAws_json1_1KinesisParameters(
-      input.KinesisParameters,
-      context
-    );
-  }
-  if (input.RoleArn !== undefined) {
-    bodyParams["RoleArn"] = input.RoleArn;
-  }
-  if (input.RunCommandParameters !== undefined) {
-    bodyParams[
-      "RunCommandParameters"
-    ] = serializeAws_json1_1RunCommandParameters(
-      input.RunCommandParameters,
-      context
-    );
-  }
-  if (input.SqsParameters !== undefined) {
-    bodyParams["SqsParameters"] = serializeAws_json1_1SqsParameters(
-      input.SqsParameters,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Arn !== undefined && { Arn: input.Arn }),
+    ...(input.BatchParameters !== undefined && {
+      BatchParameters: serializeAws_json1_1BatchParameters(
+        input.BatchParameters,
+        context
+      )
+    }),
+    ...(input.EcsParameters !== undefined && {
+      EcsParameters: serializeAws_json1_1EcsParameters(
+        input.EcsParameters,
+        context
+      )
+    }),
+    ...(input.Id !== undefined && { Id: input.Id }),
+    ...(input.Input !== undefined && { Input: input.Input }),
+    ...(input.InputPath !== undefined && { InputPath: input.InputPath }),
+    ...(input.InputTransformer !== undefined && {
+      InputTransformer: serializeAws_json1_1InputTransformer(
+        input.InputTransformer,
+        context
+      )
+    }),
+    ...(input.KinesisParameters !== undefined && {
+      KinesisParameters: serializeAws_json1_1KinesisParameters(
+        input.KinesisParameters,
+        context
+      )
+    }),
+    ...(input.RoleArn !== undefined && { RoleArn: input.RoleArn }),
+    ...(input.RunCommandParameters !== undefined && {
+      RunCommandParameters: serializeAws_json1_1RunCommandParameters(
+        input.RunCommandParameters,
+        context
+      )
+    }),
+    ...(input.SqsParameters !== undefined && {
+      SqsParameters: serializeAws_json1_1SqsParameters(
+        input.SqsParameters,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1TargetIdList = (
@@ -4167,14 +3999,12 @@ const serializeAws_json1_1TestEventPatternRequest = (
   input: TestEventPatternRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Event !== undefined) {
-    bodyParams["Event"] = input.Event;
-  }
-  if (input.EventPattern !== undefined) {
-    bodyParams["EventPattern"] = input.EventPattern;
-  }
-  return bodyParams;
+  return {
+    ...(input.Event !== undefined && { Event: input.Event }),
+    ...(input.EventPattern !== undefined && {
+      EventPattern: input.EventPattern
+    })
+  };
 };
 
 const serializeAws_json1_1TransformerPaths = (
@@ -4191,17 +4021,12 @@ const serializeAws_json1_1UntagResourceRequest = (
   input: UntagResourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceARN !== undefined) {
-    bodyParams["ResourceARN"] = input.ResourceARN;
-  }
-  if (input.TagKeys !== undefined) {
-    bodyParams["TagKeys"] = serializeAws_json1_1TagKeyList(
-      input.TagKeys,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceARN !== undefined && { ResourceARN: input.ResourceARN }),
+    ...(input.TagKeys !== undefined && {
+      TagKeys: serializeAws_json1_1TagKeyList(input.TagKeys, context)
+    })
+  };
 };
 
 const deserializeAws_json1_1AwsVpcConfiguration = (
diff --git a/clients/client-firehose/protocols/Aws_json1_1.ts b/clients/client-firehose/protocols/Aws_json1_1.ts
index a35797f91261..15b85c78c012 100644
--- a/clients/client-firehose/protocols/Aws_json1_1.ts
+++ b/clients/client-firehose/protocols/Aws_json1_1.ts
@@ -1498,31 +1498,27 @@ const serializeAws_json1_1BufferingHints = (
   input: BufferingHints,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.IntervalInSeconds !== undefined) {
-    bodyParams["IntervalInSeconds"] = input.IntervalInSeconds;
-  }
-  if (input.SizeInMBs !== undefined) {
-    bodyParams["SizeInMBs"] = input.SizeInMBs;
-  }
-  return bodyParams;
+  return {
+    ...(input.IntervalInSeconds !== undefined && {
+      IntervalInSeconds: input.IntervalInSeconds
+    }),
+    ...(input.SizeInMBs !== undefined && { SizeInMBs: input.SizeInMBs })
+  };
 };
 
 const serializeAws_json1_1CloudWatchLoggingOptions = (
   input: CloudWatchLoggingOptions,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Enabled !== undefined) {
-    bodyParams["Enabled"] = input.Enabled;
-  }
-  if (input.LogGroupName !== undefined) {
-    bodyParams["LogGroupName"] = input.LogGroupName;
-  }
-  if (input.LogStreamName !== undefined) {
-    bodyParams["LogStreamName"] = input.LogStreamName;
-  }
-  return bodyParams;
+  return {
+    ...(input.Enabled !== undefined && { Enabled: input.Enabled }),
+    ...(input.LogGroupName !== undefined && {
+      LogGroupName: input.LogGroupName
+    }),
+    ...(input.LogStreamName !== undefined && {
+      LogStreamName: input.LogStreamName
+    })
+  };
 };
 
 const serializeAws_json1_1ColumnToJsonKeyMappings = (
@@ -1539,576 +1535,477 @@ const serializeAws_json1_1CopyCommand = (
   input: CopyCommand,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CopyOptions !== undefined) {
-    bodyParams["CopyOptions"] = input.CopyOptions;
-  }
-  if (input.DataTableColumns !== undefined) {
-    bodyParams["DataTableColumns"] = input.DataTableColumns;
-  }
-  if (input.DataTableName !== undefined) {
-    bodyParams["DataTableName"] = input.DataTableName;
-  }
-  return bodyParams;
+  return {
+    ...(input.CopyOptions !== undefined && { CopyOptions: input.CopyOptions }),
+    ...(input.DataTableColumns !== undefined && {
+      DataTableColumns: input.DataTableColumns
+    }),
+    ...(input.DataTableName !== undefined && {
+      DataTableName: input.DataTableName
+    })
+  };
 };
 
 const serializeAws_json1_1CreateDeliveryStreamInput = (
   input: CreateDeliveryStreamInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DeliveryStreamEncryptionConfigurationInput !== undefined) {
-    bodyParams[
-      "DeliveryStreamEncryptionConfigurationInput"
-    ] = serializeAws_json1_1DeliveryStreamEncryptionConfigurationInput(
-      input.DeliveryStreamEncryptionConfigurationInput,
-      context
-    );
-  }
-  if (input.DeliveryStreamName !== undefined) {
-    bodyParams["DeliveryStreamName"] = input.DeliveryStreamName;
-  }
-  if (input.DeliveryStreamType !== undefined) {
-    bodyParams["DeliveryStreamType"] = input.DeliveryStreamType;
-  }
-  if (input.ElasticsearchDestinationConfiguration !== undefined) {
-    bodyParams[
-      "ElasticsearchDestinationConfiguration"
-    ] = serializeAws_json1_1ElasticsearchDestinationConfiguration(
-      input.ElasticsearchDestinationConfiguration,
-      context
-    );
-  }
-  if (input.ExtendedS3DestinationConfiguration !== undefined) {
-    bodyParams[
-      "ExtendedS3DestinationConfiguration"
-    ] = serializeAws_json1_1ExtendedS3DestinationConfiguration(
-      input.ExtendedS3DestinationConfiguration,
-      context
-    );
-  }
-  if (input.KinesisStreamSourceConfiguration !== undefined) {
-    bodyParams[
-      "KinesisStreamSourceConfiguration"
-    ] = serializeAws_json1_1KinesisStreamSourceConfiguration(
-      input.KinesisStreamSourceConfiguration,
-      context
-    );
-  }
-  if (input.RedshiftDestinationConfiguration !== undefined) {
-    bodyParams[
-      "RedshiftDestinationConfiguration"
-    ] = serializeAws_json1_1RedshiftDestinationConfiguration(
-      input.RedshiftDestinationConfiguration,
-      context
-    );
-  }
-  if (input.S3DestinationConfiguration !== undefined) {
-    bodyParams[
-      "S3DestinationConfiguration"
-    ] = serializeAws_json1_1S3DestinationConfiguration(
-      input.S3DestinationConfiguration,
-      context
-    );
-  }
-  if (input.SplunkDestinationConfiguration !== undefined) {
-    bodyParams[
-      "SplunkDestinationConfiguration"
-    ] = serializeAws_json1_1SplunkDestinationConfiguration(
-      input.SplunkDestinationConfiguration,
-      context
-    );
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagDeliveryStreamInputTagList(
-      input.Tags,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.DeliveryStreamEncryptionConfigurationInput !== undefined && {
+      DeliveryStreamEncryptionConfigurationInput: serializeAws_json1_1DeliveryStreamEncryptionConfigurationInput(
+        input.DeliveryStreamEncryptionConfigurationInput,
+        context
+      )
+    }),
+    ...(input.DeliveryStreamName !== undefined && {
+      DeliveryStreamName: input.DeliveryStreamName
+    }),
+    ...(input.DeliveryStreamType !== undefined && {
+      DeliveryStreamType: input.DeliveryStreamType
+    }),
+    ...(input.ElasticsearchDestinationConfiguration !== undefined && {
+      ElasticsearchDestinationConfiguration: serializeAws_json1_1ElasticsearchDestinationConfiguration(
+        input.ElasticsearchDestinationConfiguration,
+        context
+      )
+    }),
+    ...(input.ExtendedS3DestinationConfiguration !== undefined && {
+      ExtendedS3DestinationConfiguration: serializeAws_json1_1ExtendedS3DestinationConfiguration(
+        input.ExtendedS3DestinationConfiguration,
+        context
+      )
+    }),
+    ...(input.KinesisStreamSourceConfiguration !== undefined && {
+      KinesisStreamSourceConfiguration: serializeAws_json1_1KinesisStreamSourceConfiguration(
+        input.KinesisStreamSourceConfiguration,
+        context
+      )
+    }),
+    ...(input.RedshiftDestinationConfiguration !== undefined && {
+      RedshiftDestinationConfiguration: serializeAws_json1_1RedshiftDestinationConfiguration(
+        input.RedshiftDestinationConfiguration,
+        context
+      )
+    }),
+    ...(input.S3DestinationConfiguration !== undefined && {
+      S3DestinationConfiguration: serializeAws_json1_1S3DestinationConfiguration(
+        input.S3DestinationConfiguration,
+        context
+      )
+    }),
+    ...(input.SplunkDestinationConfiguration !== undefined && {
+      SplunkDestinationConfiguration: serializeAws_json1_1SplunkDestinationConfiguration(
+        input.SplunkDestinationConfiguration,
+        context
+      )
+    }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagDeliveryStreamInputTagList(
+        input.Tags,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1DataFormatConversionConfiguration = (
   input: DataFormatConversionConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Enabled !== undefined) {
-    bodyParams["Enabled"] = input.Enabled;
-  }
-  if (input.InputFormatConfiguration !== undefined) {
-    bodyParams[
-      "InputFormatConfiguration"
-    ] = serializeAws_json1_1InputFormatConfiguration(
-      input.InputFormatConfiguration,
-      context
-    );
-  }
-  if (input.OutputFormatConfiguration !== undefined) {
-    bodyParams[
-      "OutputFormatConfiguration"
-    ] = serializeAws_json1_1OutputFormatConfiguration(
-      input.OutputFormatConfiguration,
-      context
-    );
-  }
-  if (input.SchemaConfiguration !== undefined) {
-    bodyParams["SchemaConfiguration"] = serializeAws_json1_1SchemaConfiguration(
-      input.SchemaConfiguration,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Enabled !== undefined && { Enabled: input.Enabled }),
+    ...(input.InputFormatConfiguration !== undefined && {
+      InputFormatConfiguration: serializeAws_json1_1InputFormatConfiguration(
+        input.InputFormatConfiguration,
+        context
+      )
+    }),
+    ...(input.OutputFormatConfiguration !== undefined && {
+      OutputFormatConfiguration: serializeAws_json1_1OutputFormatConfiguration(
+        input.OutputFormatConfiguration,
+        context
+      )
+    }),
+    ...(input.SchemaConfiguration !== undefined && {
+      SchemaConfiguration: serializeAws_json1_1SchemaConfiguration(
+        input.SchemaConfiguration,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteDeliveryStreamInput = (
   input: DeleteDeliveryStreamInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AllowForceDelete !== undefined) {
-    bodyParams["AllowForceDelete"] = input.AllowForceDelete;
-  }
-  if (input.DeliveryStreamName !== undefined) {
-    bodyParams["DeliveryStreamName"] = input.DeliveryStreamName;
-  }
-  return bodyParams;
+  return {
+    ...(input.AllowForceDelete !== undefined && {
+      AllowForceDelete: input.AllowForceDelete
+    }),
+    ...(input.DeliveryStreamName !== undefined && {
+      DeliveryStreamName: input.DeliveryStreamName
+    })
+  };
 };
 
 const serializeAws_json1_1DeliveryStreamEncryptionConfigurationInput = (
   input: DeliveryStreamEncryptionConfigurationInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.KeyARN !== undefined) {
-    bodyParams["KeyARN"] = input.KeyARN;
-  }
-  if (input.KeyType !== undefined) {
-    bodyParams["KeyType"] = input.KeyType;
-  }
-  return bodyParams;
+  return {
+    ...(input.KeyARN !== undefined && { KeyARN: input.KeyARN }),
+    ...(input.KeyType !== undefined && { KeyType: input.KeyType })
+  };
 };
 
 const serializeAws_json1_1DescribeDeliveryStreamInput = (
   input: DescribeDeliveryStreamInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DeliveryStreamName !== undefined) {
-    bodyParams["DeliveryStreamName"] = input.DeliveryStreamName;
-  }
-  if (input.ExclusiveStartDestinationId !== undefined) {
-    bodyParams["ExclusiveStartDestinationId"] =
-      input.ExclusiveStartDestinationId;
-  }
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  return bodyParams;
+  return {
+    ...(input.DeliveryStreamName !== undefined && {
+      DeliveryStreamName: input.DeliveryStreamName
+    }),
+    ...(input.ExclusiveStartDestinationId !== undefined && {
+      ExclusiveStartDestinationId: input.ExclusiveStartDestinationId
+    }),
+    ...(input.Limit !== undefined && { Limit: input.Limit })
+  };
 };
 
 const serializeAws_json1_1Deserializer = (
   input: Deserializer,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.HiveJsonSerDe !== undefined) {
-    bodyParams["HiveJsonSerDe"] = serializeAws_json1_1HiveJsonSerDe(
-      input.HiveJsonSerDe,
-      context
-    );
-  }
-  if (input.OpenXJsonSerDe !== undefined) {
-    bodyParams["OpenXJsonSerDe"] = serializeAws_json1_1OpenXJsonSerDe(
-      input.OpenXJsonSerDe,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.HiveJsonSerDe !== undefined && {
+      HiveJsonSerDe: serializeAws_json1_1HiveJsonSerDe(
+        input.HiveJsonSerDe,
+        context
+      )
+    }),
+    ...(input.OpenXJsonSerDe !== undefined && {
+      OpenXJsonSerDe: serializeAws_json1_1OpenXJsonSerDe(
+        input.OpenXJsonSerDe,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1ElasticsearchBufferingHints = (
   input: ElasticsearchBufferingHints,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.IntervalInSeconds !== undefined) {
-    bodyParams["IntervalInSeconds"] = input.IntervalInSeconds;
-  }
-  if (input.SizeInMBs !== undefined) {
-    bodyParams["SizeInMBs"] = input.SizeInMBs;
-  }
-  return bodyParams;
+  return {
+    ...(input.IntervalInSeconds !== undefined && {
+      IntervalInSeconds: input.IntervalInSeconds
+    }),
+    ...(input.SizeInMBs !== undefined && { SizeInMBs: input.SizeInMBs })
+  };
 };
 
 const serializeAws_json1_1ElasticsearchDestinationConfiguration = (
   input: ElasticsearchDestinationConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.BufferingHints !== undefined) {
-    bodyParams[
-      "BufferingHints"
-    ] = serializeAws_json1_1ElasticsearchBufferingHints(
-      input.BufferingHints,
-      context
-    );
-  }
-  if (input.CloudWatchLoggingOptions !== undefined) {
-    bodyParams[
-      "CloudWatchLoggingOptions"
-    ] = serializeAws_json1_1CloudWatchLoggingOptions(
-      input.CloudWatchLoggingOptions,
-      context
-    );
-  }
-  if (input.ClusterEndpoint !== undefined) {
-    bodyParams["ClusterEndpoint"] = input.ClusterEndpoint;
-  }
-  if (input.DomainARN !== undefined) {
-    bodyParams["DomainARN"] = input.DomainARN;
-  }
-  if (input.IndexName !== undefined) {
-    bodyParams["IndexName"] = input.IndexName;
-  }
-  if (input.IndexRotationPeriod !== undefined) {
-    bodyParams["IndexRotationPeriod"] = input.IndexRotationPeriod;
-  }
-  if (input.ProcessingConfiguration !== undefined) {
-    bodyParams[
-      "ProcessingConfiguration"
-    ] = serializeAws_json1_1ProcessingConfiguration(
-      input.ProcessingConfiguration,
-      context
-    );
-  }
-  if (input.RetryOptions !== undefined) {
-    bodyParams["RetryOptions"] = serializeAws_json1_1ElasticsearchRetryOptions(
-      input.RetryOptions,
-      context
-    );
-  }
-  if (input.RoleARN !== undefined) {
-    bodyParams["RoleARN"] = input.RoleARN;
-  }
-  if (input.S3BackupMode !== undefined) {
-    bodyParams["S3BackupMode"] = input.S3BackupMode;
-  }
-  if (input.S3Configuration !== undefined) {
-    bodyParams[
-      "S3Configuration"
-    ] = serializeAws_json1_1S3DestinationConfiguration(
-      input.S3Configuration,
-      context
-    );
-  }
-  if (input.TypeName !== undefined) {
-    bodyParams["TypeName"] = input.TypeName;
-  }
-  return bodyParams;
+  return {
+    ...(input.BufferingHints !== undefined && {
+      BufferingHints: serializeAws_json1_1ElasticsearchBufferingHints(
+        input.BufferingHints,
+        context
+      )
+    }),
+    ...(input.CloudWatchLoggingOptions !== undefined && {
+      CloudWatchLoggingOptions: serializeAws_json1_1CloudWatchLoggingOptions(
+        input.CloudWatchLoggingOptions,
+        context
+      )
+    }),
+    ...(input.ClusterEndpoint !== undefined && {
+      ClusterEndpoint: input.ClusterEndpoint
+    }),
+    ...(input.DomainARN !== undefined && { DomainARN: input.DomainARN }),
+    ...(input.IndexName !== undefined && { IndexName: input.IndexName }),
+    ...(input.IndexRotationPeriod !== undefined && {
+      IndexRotationPeriod: input.IndexRotationPeriod
+    }),
+    ...(input.ProcessingConfiguration !== undefined && {
+      ProcessingConfiguration: serializeAws_json1_1ProcessingConfiguration(
+        input.ProcessingConfiguration,
+        context
+      )
+    }),
+    ...(input.RetryOptions !== undefined && {
+      RetryOptions: serializeAws_json1_1ElasticsearchRetryOptions(
+        input.RetryOptions,
+        context
+      )
+    }),
+    ...(input.RoleARN !== undefined && { RoleARN: input.RoleARN }),
+    ...(input.S3BackupMode !== undefined && {
+      S3BackupMode: input.S3BackupMode
+    }),
+    ...(input.S3Configuration !== undefined && {
+      S3Configuration: serializeAws_json1_1S3DestinationConfiguration(
+        input.S3Configuration,
+        context
+      )
+    }),
+    ...(input.TypeName !== undefined && { TypeName: input.TypeName })
+  };
 };
 
 const serializeAws_json1_1ElasticsearchDestinationUpdate = (
   input: ElasticsearchDestinationUpdate,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.BufferingHints !== undefined) {
-    bodyParams[
-      "BufferingHints"
-    ] = serializeAws_json1_1ElasticsearchBufferingHints(
-      input.BufferingHints,
-      context
-    );
-  }
-  if (input.CloudWatchLoggingOptions !== undefined) {
-    bodyParams[
-      "CloudWatchLoggingOptions"
-    ] = serializeAws_json1_1CloudWatchLoggingOptions(
-      input.CloudWatchLoggingOptions,
-      context
-    );
-  }
-  if (input.ClusterEndpoint !== undefined) {
-    bodyParams["ClusterEndpoint"] = input.ClusterEndpoint;
-  }
-  if (input.DomainARN !== undefined) {
-    bodyParams["DomainARN"] = input.DomainARN;
-  }
-  if (input.IndexName !== undefined) {
-    bodyParams["IndexName"] = input.IndexName;
-  }
-  if (input.IndexRotationPeriod !== undefined) {
-    bodyParams["IndexRotationPeriod"] = input.IndexRotationPeriod;
-  }
-  if (input.ProcessingConfiguration !== undefined) {
-    bodyParams[
-      "ProcessingConfiguration"
-    ] = serializeAws_json1_1ProcessingConfiguration(
-      input.ProcessingConfiguration,
-      context
-    );
-  }
-  if (input.RetryOptions !== undefined) {
-    bodyParams["RetryOptions"] = serializeAws_json1_1ElasticsearchRetryOptions(
-      input.RetryOptions,
-      context
-    );
-  }
-  if (input.RoleARN !== undefined) {
-    bodyParams["RoleARN"] = input.RoleARN;
-  }
-  if (input.S3Update !== undefined) {
-    bodyParams["S3Update"] = serializeAws_json1_1S3DestinationUpdate(
-      input.S3Update,
-      context
-    );
-  }
-  if (input.TypeName !== undefined) {
-    bodyParams["TypeName"] = input.TypeName;
-  }
-  return bodyParams;
+  return {
+    ...(input.BufferingHints !== undefined && {
+      BufferingHints: serializeAws_json1_1ElasticsearchBufferingHints(
+        input.BufferingHints,
+        context
+      )
+    }),
+    ...(input.CloudWatchLoggingOptions !== undefined && {
+      CloudWatchLoggingOptions: serializeAws_json1_1CloudWatchLoggingOptions(
+        input.CloudWatchLoggingOptions,
+        context
+      )
+    }),
+    ...(input.ClusterEndpoint !== undefined && {
+      ClusterEndpoint: input.ClusterEndpoint
+    }),
+    ...(input.DomainARN !== undefined && { DomainARN: input.DomainARN }),
+    ...(input.IndexName !== undefined && { IndexName: input.IndexName }),
+    ...(input.IndexRotationPeriod !== undefined && {
+      IndexRotationPeriod: input.IndexRotationPeriod
+    }),
+    ...(input.ProcessingConfiguration !== undefined && {
+      ProcessingConfiguration: serializeAws_json1_1ProcessingConfiguration(
+        input.ProcessingConfiguration,
+        context
+      )
+    }),
+    ...(input.RetryOptions !== undefined && {
+      RetryOptions: serializeAws_json1_1ElasticsearchRetryOptions(
+        input.RetryOptions,
+        context
+      )
+    }),
+    ...(input.RoleARN !== undefined && { RoleARN: input.RoleARN }),
+    ...(input.S3Update !== undefined && {
+      S3Update: serializeAws_json1_1S3DestinationUpdate(input.S3Update, context)
+    }),
+    ...(input.TypeName !== undefined && { TypeName: input.TypeName })
+  };
 };
 
 const serializeAws_json1_1ElasticsearchRetryOptions = (
   input: ElasticsearchRetryOptions,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DurationInSeconds !== undefined) {
-    bodyParams["DurationInSeconds"] = input.DurationInSeconds;
-  }
-  return bodyParams;
+  return {
+    ...(input.DurationInSeconds !== undefined && {
+      DurationInSeconds: input.DurationInSeconds
+    })
+  };
 };
 
 const serializeAws_json1_1EncryptionConfiguration = (
   input: EncryptionConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.KMSEncryptionConfig !== undefined) {
-    bodyParams["KMSEncryptionConfig"] = serializeAws_json1_1KMSEncryptionConfig(
-      input.KMSEncryptionConfig,
-      context
-    );
-  }
-  if (input.NoEncryptionConfig !== undefined) {
-    bodyParams["NoEncryptionConfig"] = input.NoEncryptionConfig;
-  }
-  return bodyParams;
+  return {
+    ...(input.KMSEncryptionConfig !== undefined && {
+      KMSEncryptionConfig: serializeAws_json1_1KMSEncryptionConfig(
+        input.KMSEncryptionConfig,
+        context
+      )
+    }),
+    ...(input.NoEncryptionConfig !== undefined && {
+      NoEncryptionConfig: input.NoEncryptionConfig
+    })
+  };
 };
 
 const serializeAws_json1_1ExtendedS3DestinationConfiguration = (
   input: ExtendedS3DestinationConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.BucketARN !== undefined) {
-    bodyParams["BucketARN"] = input.BucketARN;
-  }
-  if (input.BufferingHints !== undefined) {
-    bodyParams["BufferingHints"] = serializeAws_json1_1BufferingHints(
-      input.BufferingHints,
-      context
-    );
-  }
-  if (input.CloudWatchLoggingOptions !== undefined) {
-    bodyParams[
-      "CloudWatchLoggingOptions"
-    ] = serializeAws_json1_1CloudWatchLoggingOptions(
-      input.CloudWatchLoggingOptions,
-      context
-    );
-  }
-  if (input.CompressionFormat !== undefined) {
-    bodyParams["CompressionFormat"] = input.CompressionFormat;
-  }
-  if (input.DataFormatConversionConfiguration !== undefined) {
-    bodyParams[
-      "DataFormatConversionConfiguration"
-    ] = serializeAws_json1_1DataFormatConversionConfiguration(
-      input.DataFormatConversionConfiguration,
-      context
-    );
-  }
-  if (input.EncryptionConfiguration !== undefined) {
-    bodyParams[
-      "EncryptionConfiguration"
-    ] = serializeAws_json1_1EncryptionConfiguration(
-      input.EncryptionConfiguration,
-      context
-    );
-  }
-  if (input.ErrorOutputPrefix !== undefined) {
-    bodyParams["ErrorOutputPrefix"] = input.ErrorOutputPrefix;
-  }
-  if (input.Prefix !== undefined) {
-    bodyParams["Prefix"] = input.Prefix;
-  }
-  if (input.ProcessingConfiguration !== undefined) {
-    bodyParams[
-      "ProcessingConfiguration"
-    ] = serializeAws_json1_1ProcessingConfiguration(
-      input.ProcessingConfiguration,
-      context
-    );
-  }
-  if (input.RoleARN !== undefined) {
-    bodyParams["RoleARN"] = input.RoleARN;
-  }
-  if (input.S3BackupConfiguration !== undefined) {
-    bodyParams[
-      "S3BackupConfiguration"
-    ] = serializeAws_json1_1S3DestinationConfiguration(
-      input.S3BackupConfiguration,
-      context
-    );
-  }
-  if (input.S3BackupMode !== undefined) {
-    bodyParams["S3BackupMode"] = input.S3BackupMode;
-  }
-  return bodyParams;
+  return {
+    ...(input.BucketARN !== undefined && { BucketARN: input.BucketARN }),
+    ...(input.BufferingHints !== undefined && {
+      BufferingHints: serializeAws_json1_1BufferingHints(
+        input.BufferingHints,
+        context
+      )
+    }),
+    ...(input.CloudWatchLoggingOptions !== undefined && {
+      CloudWatchLoggingOptions: serializeAws_json1_1CloudWatchLoggingOptions(
+        input.CloudWatchLoggingOptions,
+        context
+      )
+    }),
+    ...(input.CompressionFormat !== undefined && {
+      CompressionFormat: input.CompressionFormat
+    }),
+    ...(input.DataFormatConversionConfiguration !== undefined && {
+      DataFormatConversionConfiguration: serializeAws_json1_1DataFormatConversionConfiguration(
+        input.DataFormatConversionConfiguration,
+        context
+      )
+    }),
+    ...(input.EncryptionConfiguration !== undefined && {
+      EncryptionConfiguration: serializeAws_json1_1EncryptionConfiguration(
+        input.EncryptionConfiguration,
+        context
+      )
+    }),
+    ...(input.ErrorOutputPrefix !== undefined && {
+      ErrorOutputPrefix: input.ErrorOutputPrefix
+    }),
+    ...(input.Prefix !== undefined && { Prefix: input.Prefix }),
+    ...(input.ProcessingConfiguration !== undefined && {
+      ProcessingConfiguration: serializeAws_json1_1ProcessingConfiguration(
+        input.ProcessingConfiguration,
+        context
+      )
+    }),
+    ...(input.RoleARN !== undefined && { RoleARN: input.RoleARN }),
+    ...(input.S3BackupConfiguration !== undefined && {
+      S3BackupConfiguration: serializeAws_json1_1S3DestinationConfiguration(
+        input.S3BackupConfiguration,
+        context
+      )
+    }),
+    ...(input.S3BackupMode !== undefined && {
+      S3BackupMode: input.S3BackupMode
+    })
+  };
 };
 
 const serializeAws_json1_1ExtendedS3DestinationUpdate = (
   input: ExtendedS3DestinationUpdate,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.BucketARN !== undefined) {
-    bodyParams["BucketARN"] = input.BucketARN;
-  }
-  if (input.BufferingHints !== undefined) {
-    bodyParams["BufferingHints"] = serializeAws_json1_1BufferingHints(
-      input.BufferingHints,
-      context
-    );
-  }
-  if (input.CloudWatchLoggingOptions !== undefined) {
-    bodyParams[
-      "CloudWatchLoggingOptions"
-    ] = serializeAws_json1_1CloudWatchLoggingOptions(
-      input.CloudWatchLoggingOptions,
-      context
-    );
-  }
-  if (input.CompressionFormat !== undefined) {
-    bodyParams["CompressionFormat"] = input.CompressionFormat;
-  }
-  if (input.DataFormatConversionConfiguration !== undefined) {
-    bodyParams[
-      "DataFormatConversionConfiguration"
-    ] = serializeAws_json1_1DataFormatConversionConfiguration(
-      input.DataFormatConversionConfiguration,
-      context
-    );
-  }
-  if (input.EncryptionConfiguration !== undefined) {
-    bodyParams[
-      "EncryptionConfiguration"
-    ] = serializeAws_json1_1EncryptionConfiguration(
-      input.EncryptionConfiguration,
-      context
-    );
-  }
-  if (input.ErrorOutputPrefix !== undefined) {
-    bodyParams["ErrorOutputPrefix"] = input.ErrorOutputPrefix;
-  }
-  if (input.Prefix !== undefined) {
-    bodyParams["Prefix"] = input.Prefix;
-  }
-  if (input.ProcessingConfiguration !== undefined) {
-    bodyParams[
-      "ProcessingConfiguration"
-    ] = serializeAws_json1_1ProcessingConfiguration(
-      input.ProcessingConfiguration,
-      context
-    );
-  }
-  if (input.RoleARN !== undefined) {
-    bodyParams["RoleARN"] = input.RoleARN;
-  }
-  if (input.S3BackupMode !== undefined) {
-    bodyParams["S3BackupMode"] = input.S3BackupMode;
-  }
-  if (input.S3BackupUpdate !== undefined) {
-    bodyParams["S3BackupUpdate"] = serializeAws_json1_1S3DestinationUpdate(
-      input.S3BackupUpdate,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.BucketARN !== undefined && { BucketARN: input.BucketARN }),
+    ...(input.BufferingHints !== undefined && {
+      BufferingHints: serializeAws_json1_1BufferingHints(
+        input.BufferingHints,
+        context
+      )
+    }),
+    ...(input.CloudWatchLoggingOptions !== undefined && {
+      CloudWatchLoggingOptions: serializeAws_json1_1CloudWatchLoggingOptions(
+        input.CloudWatchLoggingOptions,
+        context
+      )
+    }),
+    ...(input.CompressionFormat !== undefined && {
+      CompressionFormat: input.CompressionFormat
+    }),
+    ...(input.DataFormatConversionConfiguration !== undefined && {
+      DataFormatConversionConfiguration: serializeAws_json1_1DataFormatConversionConfiguration(
+        input.DataFormatConversionConfiguration,
+        context
+      )
+    }),
+    ...(input.EncryptionConfiguration !== undefined && {
+      EncryptionConfiguration: serializeAws_json1_1EncryptionConfiguration(
+        input.EncryptionConfiguration,
+        context
+      )
+    }),
+    ...(input.ErrorOutputPrefix !== undefined && {
+      ErrorOutputPrefix: input.ErrorOutputPrefix
+    }),
+    ...(input.Prefix !== undefined && { Prefix: input.Prefix }),
+    ...(input.ProcessingConfiguration !== undefined && {
+      ProcessingConfiguration: serializeAws_json1_1ProcessingConfiguration(
+        input.ProcessingConfiguration,
+        context
+      )
+    }),
+    ...(input.RoleARN !== undefined && { RoleARN: input.RoleARN }),
+    ...(input.S3BackupMode !== undefined && {
+      S3BackupMode: input.S3BackupMode
+    }),
+    ...(input.S3BackupUpdate !== undefined && {
+      S3BackupUpdate: serializeAws_json1_1S3DestinationUpdate(
+        input.S3BackupUpdate,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1HiveJsonSerDe = (
   input: HiveJsonSerDe,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.TimestampFormats !== undefined) {
-    bodyParams["TimestampFormats"] = serializeAws_json1_1ListOfNonEmptyStrings(
-      input.TimestampFormats,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.TimestampFormats !== undefined && {
+      TimestampFormats: serializeAws_json1_1ListOfNonEmptyStrings(
+        input.TimestampFormats,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1InputFormatConfiguration = (
   input: InputFormatConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Deserializer !== undefined) {
-    bodyParams["Deserializer"] = serializeAws_json1_1Deserializer(
-      input.Deserializer,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Deserializer !== undefined && {
+      Deserializer: serializeAws_json1_1Deserializer(
+        input.Deserializer,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1KMSEncryptionConfig = (
   input: KMSEncryptionConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AWSKMSKeyARN !== undefined) {
-    bodyParams["AWSKMSKeyARN"] = input.AWSKMSKeyARN;
-  }
-  return bodyParams;
+  return {
+    ...(input.AWSKMSKeyARN !== undefined && {
+      AWSKMSKeyARN: input.AWSKMSKeyARN
+    })
+  };
 };
 
 const serializeAws_json1_1KinesisStreamSourceConfiguration = (
   input: KinesisStreamSourceConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.KinesisStreamARN !== undefined) {
-    bodyParams["KinesisStreamARN"] = input.KinesisStreamARN;
-  }
-  if (input.RoleARN !== undefined) {
-    bodyParams["RoleARN"] = input.RoleARN;
-  }
-  return bodyParams;
+  return {
+    ...(input.KinesisStreamARN !== undefined && {
+      KinesisStreamARN: input.KinesisStreamARN
+    }),
+    ...(input.RoleARN !== undefined && { RoleARN: input.RoleARN })
+  };
 };
 
 const serializeAws_json1_1ListDeliveryStreamsInput = (
   input: ListDeliveryStreamsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DeliveryStreamType !== undefined) {
-    bodyParams["DeliveryStreamType"] = input.DeliveryStreamType;
-  }
-  if (input.ExclusiveStartDeliveryStreamName !== undefined) {
-    bodyParams["ExclusiveStartDeliveryStreamName"] =
-      input.ExclusiveStartDeliveryStreamName;
-  }
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  return bodyParams;
+  return {
+    ...(input.DeliveryStreamType !== undefined && {
+      DeliveryStreamType: input.DeliveryStreamType
+    }),
+    ...(input.ExclusiveStartDeliveryStreamName !== undefined && {
+      ExclusiveStartDeliveryStreamName: input.ExclusiveStartDeliveryStreamName
+    }),
+    ...(input.Limit !== undefined && { Limit: input.Limit })
+  };
 };
 
 const serializeAws_json1_1ListOfNonEmptyStrings = (
@@ -2129,159 +2026,138 @@ const serializeAws_json1_1ListTagsForDeliveryStreamInput = (
   input: ListTagsForDeliveryStreamInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DeliveryStreamName !== undefined) {
-    bodyParams["DeliveryStreamName"] = input.DeliveryStreamName;
-  }
-  if (input.ExclusiveStartTagKey !== undefined) {
-    bodyParams["ExclusiveStartTagKey"] = input.ExclusiveStartTagKey;
-  }
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  return bodyParams;
+  return {
+    ...(input.DeliveryStreamName !== undefined && {
+      DeliveryStreamName: input.DeliveryStreamName
+    }),
+    ...(input.ExclusiveStartTagKey !== undefined && {
+      ExclusiveStartTagKey: input.ExclusiveStartTagKey
+    }),
+    ...(input.Limit !== undefined && { Limit: input.Limit })
+  };
 };
 
 const serializeAws_json1_1OpenXJsonSerDe = (
   input: OpenXJsonSerDe,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CaseInsensitive !== undefined) {
-    bodyParams["CaseInsensitive"] = input.CaseInsensitive;
-  }
-  if (input.ColumnToJsonKeyMappings !== undefined) {
-    bodyParams[
-      "ColumnToJsonKeyMappings"
-    ] = serializeAws_json1_1ColumnToJsonKeyMappings(
-      input.ColumnToJsonKeyMappings,
-      context
-    );
-  }
-  if (input.ConvertDotsInJsonKeysToUnderscores !== undefined) {
-    bodyParams["ConvertDotsInJsonKeysToUnderscores"] =
-      input.ConvertDotsInJsonKeysToUnderscores;
-  }
-  return bodyParams;
+  return {
+    ...(input.CaseInsensitive !== undefined && {
+      CaseInsensitive: input.CaseInsensitive
+    }),
+    ...(input.ColumnToJsonKeyMappings !== undefined && {
+      ColumnToJsonKeyMappings: serializeAws_json1_1ColumnToJsonKeyMappings(
+        input.ColumnToJsonKeyMappings,
+        context
+      )
+    }),
+    ...(input.ConvertDotsInJsonKeysToUnderscores !== undefined && {
+      ConvertDotsInJsonKeysToUnderscores:
+        input.ConvertDotsInJsonKeysToUnderscores
+    })
+  };
 };
 
 const serializeAws_json1_1OrcSerDe = (
   input: OrcSerDe,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.BlockSizeBytes !== undefined) {
-    bodyParams["BlockSizeBytes"] = input.BlockSizeBytes;
-  }
-  if (input.BloomFilterColumns !== undefined) {
-    bodyParams[
-      "BloomFilterColumns"
-    ] = serializeAws_json1_1ListOfNonEmptyStringsWithoutWhitespace(
-      input.BloomFilterColumns,
-      context
-    );
-  }
-  if (input.BloomFilterFalsePositiveProbability !== undefined) {
-    bodyParams["BloomFilterFalsePositiveProbability"] =
-      input.BloomFilterFalsePositiveProbability;
-  }
-  if (input.Compression !== undefined) {
-    bodyParams["Compression"] = input.Compression;
-  }
-  if (input.DictionaryKeyThreshold !== undefined) {
-    bodyParams["DictionaryKeyThreshold"] = input.DictionaryKeyThreshold;
-  }
-  if (input.EnablePadding !== undefined) {
-    bodyParams["EnablePadding"] = input.EnablePadding;
-  }
-  if (input.FormatVersion !== undefined) {
-    bodyParams["FormatVersion"] = input.FormatVersion;
-  }
-  if (input.PaddingTolerance !== undefined) {
-    bodyParams["PaddingTolerance"] = input.PaddingTolerance;
-  }
-  if (input.RowIndexStride !== undefined) {
-    bodyParams["RowIndexStride"] = input.RowIndexStride;
-  }
-  if (input.StripeSizeBytes !== undefined) {
-    bodyParams["StripeSizeBytes"] = input.StripeSizeBytes;
-  }
-  return bodyParams;
+  return {
+    ...(input.BlockSizeBytes !== undefined && {
+      BlockSizeBytes: input.BlockSizeBytes
+    }),
+    ...(input.BloomFilterColumns !== undefined && {
+      BloomFilterColumns: serializeAws_json1_1ListOfNonEmptyStringsWithoutWhitespace(
+        input.BloomFilterColumns,
+        context
+      )
+    }),
+    ...(input.BloomFilterFalsePositiveProbability !== undefined && {
+      BloomFilterFalsePositiveProbability:
+        input.BloomFilterFalsePositiveProbability
+    }),
+    ...(input.Compression !== undefined && { Compression: input.Compression }),
+    ...(input.DictionaryKeyThreshold !== undefined && {
+      DictionaryKeyThreshold: input.DictionaryKeyThreshold
+    }),
+    ...(input.EnablePadding !== undefined && {
+      EnablePadding: input.EnablePadding
+    }),
+    ...(input.FormatVersion !== undefined && {
+      FormatVersion: input.FormatVersion
+    }),
+    ...(input.PaddingTolerance !== undefined && {
+      PaddingTolerance: input.PaddingTolerance
+    }),
+    ...(input.RowIndexStride !== undefined && {
+      RowIndexStride: input.RowIndexStride
+    }),
+    ...(input.StripeSizeBytes !== undefined && {
+      StripeSizeBytes: input.StripeSizeBytes
+    })
+  };
 };
 
 const serializeAws_json1_1OutputFormatConfiguration = (
   input: OutputFormatConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Serializer !== undefined) {
-    bodyParams["Serializer"] = serializeAws_json1_1Serializer(
-      input.Serializer,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Serializer !== undefined && {
+      Serializer: serializeAws_json1_1Serializer(input.Serializer, context)
+    })
+  };
 };
 
 const serializeAws_json1_1ParquetSerDe = (
   input: ParquetSerDe,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.BlockSizeBytes !== undefined) {
-    bodyParams["BlockSizeBytes"] = input.BlockSizeBytes;
-  }
-  if (input.Compression !== undefined) {
-    bodyParams["Compression"] = input.Compression;
-  }
-  if (input.EnableDictionaryCompression !== undefined) {
-    bodyParams["EnableDictionaryCompression"] =
-      input.EnableDictionaryCompression;
-  }
-  if (input.MaxPaddingBytes !== undefined) {
-    bodyParams["MaxPaddingBytes"] = input.MaxPaddingBytes;
-  }
-  if (input.PageSizeBytes !== undefined) {
-    bodyParams["PageSizeBytes"] = input.PageSizeBytes;
-  }
-  if (input.WriterVersion !== undefined) {
-    bodyParams["WriterVersion"] = input.WriterVersion;
-  }
-  return bodyParams;
+  return {
+    ...(input.BlockSizeBytes !== undefined && {
+      BlockSizeBytes: input.BlockSizeBytes
+    }),
+    ...(input.Compression !== undefined && { Compression: input.Compression }),
+    ...(input.EnableDictionaryCompression !== undefined && {
+      EnableDictionaryCompression: input.EnableDictionaryCompression
+    }),
+    ...(input.MaxPaddingBytes !== undefined && {
+      MaxPaddingBytes: input.MaxPaddingBytes
+    }),
+    ...(input.PageSizeBytes !== undefined && {
+      PageSizeBytes: input.PageSizeBytes
+    }),
+    ...(input.WriterVersion !== undefined && {
+      WriterVersion: input.WriterVersion
+    })
+  };
 };
 
 const serializeAws_json1_1ProcessingConfiguration = (
   input: ProcessingConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Enabled !== undefined) {
-    bodyParams["Enabled"] = input.Enabled;
-  }
-  if (input.Processors !== undefined) {
-    bodyParams["Processors"] = serializeAws_json1_1ProcessorList(
-      input.Processors,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Enabled !== undefined && { Enabled: input.Enabled }),
+    ...(input.Processors !== undefined && {
+      Processors: serializeAws_json1_1ProcessorList(input.Processors, context)
+    })
+  };
 };
 
 const serializeAws_json1_1Processor = (
   input: Processor,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Parameters !== undefined) {
-    bodyParams["Parameters"] = serializeAws_json1_1ProcessorParameterList(
-      input.Parameters,
-      context
-    );
-  }
-  if (input.Type !== undefined) {
-    bodyParams["Type"] = input.Type;
-  }
-  return bodyParams;
+  return {
+    ...(input.Parameters !== undefined && {
+      Parameters: serializeAws_json1_1ProcessorParameterList(
+        input.Parameters,
+        context
+      )
+    }),
+    ...(input.Type !== undefined && { Type: input.Type })
+  };
 };
 
 const serializeAws_json1_1ProcessorList = (
@@ -2295,14 +2171,14 @@ const serializeAws_json1_1ProcessorParameter = (
   input: ProcessorParameter,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ParameterName !== undefined) {
-    bodyParams["ParameterName"] = input.ParameterName;
-  }
-  if (input.ParameterValue !== undefined) {
-    bodyParams["ParameterValue"] = input.ParameterValue;
-  }
-  return bodyParams;
+  return {
+    ...(input.ParameterName !== undefined && {
+      ParameterName: input.ParameterName
+    }),
+    ...(input.ParameterValue !== undefined && {
+      ParameterValue: input.ParameterValue
+    })
+  };
 };
 
 const serializeAws_json1_1ProcessorParameterList = (
@@ -2318,17 +2194,17 @@ const serializeAws_json1_1PutRecordBatchInput = (
   input: PutRecordBatchInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DeliveryStreamName !== undefined) {
-    bodyParams["DeliveryStreamName"] = input.DeliveryStreamName;
-  }
-  if (input.Records !== undefined) {
-    bodyParams["Records"] = serializeAws_json1_1PutRecordBatchRequestEntryList(
-      input.Records,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.DeliveryStreamName !== undefined && {
+      DeliveryStreamName: input.DeliveryStreamName
+    }),
+    ...(input.Records !== undefined && {
+      Records: serializeAws_json1_1PutRecordBatchRequestEntryList(
+        input.Records,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1PutRecordBatchRequestEntryList = (
@@ -2342,477 +2218,380 @@ const serializeAws_json1_1PutRecordInput = (
   input: PutRecordInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DeliveryStreamName !== undefined) {
-    bodyParams["DeliveryStreamName"] = input.DeliveryStreamName;
-  }
-  if (input.Record !== undefined) {
-    bodyParams["Record"] = serializeAws_json1_1_Record(input.Record, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.DeliveryStreamName !== undefined && {
+      DeliveryStreamName: input.DeliveryStreamName
+    }),
+    ...(input.Record !== undefined && {
+      Record: serializeAws_json1_1_Record(input.Record, context)
+    })
+  };
 };
 
 const serializeAws_json1_1_Record = (
   input: _Record,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Data !== undefined) {
-    bodyParams["Data"] = context.base64Encoder(input.Data);
-  }
-  return bodyParams;
+  return {
+    ...(input.Data !== undefined && { Data: context.base64Encoder(input.Data) })
+  };
 };
 
 const serializeAws_json1_1RedshiftDestinationConfiguration = (
   input: RedshiftDestinationConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CloudWatchLoggingOptions !== undefined) {
-    bodyParams[
-      "CloudWatchLoggingOptions"
-    ] = serializeAws_json1_1CloudWatchLoggingOptions(
-      input.CloudWatchLoggingOptions,
-      context
-    );
-  }
-  if (input.ClusterJDBCURL !== undefined) {
-    bodyParams["ClusterJDBCURL"] = input.ClusterJDBCURL;
-  }
-  if (input.CopyCommand !== undefined) {
-    bodyParams["CopyCommand"] = serializeAws_json1_1CopyCommand(
-      input.CopyCommand,
-      context
-    );
-  }
-  if (input.Password !== undefined) {
-    bodyParams["Password"] = input.Password;
-  }
-  if (input.ProcessingConfiguration !== undefined) {
-    bodyParams[
-      "ProcessingConfiguration"
-    ] = serializeAws_json1_1ProcessingConfiguration(
-      input.ProcessingConfiguration,
-      context
-    );
-  }
-  if (input.RetryOptions !== undefined) {
-    bodyParams["RetryOptions"] = serializeAws_json1_1RedshiftRetryOptions(
-      input.RetryOptions,
-      context
-    );
-  }
-  if (input.RoleARN !== undefined) {
-    bodyParams["RoleARN"] = input.RoleARN;
-  }
-  if (input.S3BackupConfiguration !== undefined) {
-    bodyParams[
-      "S3BackupConfiguration"
-    ] = serializeAws_json1_1S3DestinationConfiguration(
-      input.S3BackupConfiguration,
-      context
-    );
-  }
-  if (input.S3BackupMode !== undefined) {
-    bodyParams["S3BackupMode"] = input.S3BackupMode;
-  }
-  if (input.S3Configuration !== undefined) {
-    bodyParams[
-      "S3Configuration"
-    ] = serializeAws_json1_1S3DestinationConfiguration(
-      input.S3Configuration,
-      context
-    );
-  }
-  if (input.Username !== undefined) {
-    bodyParams["Username"] = input.Username;
-  }
-  return bodyParams;
+  return {
+    ...(input.CloudWatchLoggingOptions !== undefined && {
+      CloudWatchLoggingOptions: serializeAws_json1_1CloudWatchLoggingOptions(
+        input.CloudWatchLoggingOptions,
+        context
+      )
+    }),
+    ...(input.ClusterJDBCURL !== undefined && {
+      ClusterJDBCURL: input.ClusterJDBCURL
+    }),
+    ...(input.CopyCommand !== undefined && {
+      CopyCommand: serializeAws_json1_1CopyCommand(input.CopyCommand, context)
+    }),
+    ...(input.Password !== undefined && { Password: input.Password }),
+    ...(input.ProcessingConfiguration !== undefined && {
+      ProcessingConfiguration: serializeAws_json1_1ProcessingConfiguration(
+        input.ProcessingConfiguration,
+        context
+      )
+    }),
+    ...(input.RetryOptions !== undefined && {
+      RetryOptions: serializeAws_json1_1RedshiftRetryOptions(
+        input.RetryOptions,
+        context
+      )
+    }),
+    ...(input.RoleARN !== undefined && { RoleARN: input.RoleARN }),
+    ...(input.S3BackupConfiguration !== undefined && {
+      S3BackupConfiguration: serializeAws_json1_1S3DestinationConfiguration(
+        input.S3BackupConfiguration,
+        context
+      )
+    }),
+    ...(input.S3BackupMode !== undefined && {
+      S3BackupMode: input.S3BackupMode
+    }),
+    ...(input.S3Configuration !== undefined && {
+      S3Configuration: serializeAws_json1_1S3DestinationConfiguration(
+        input.S3Configuration,
+        context
+      )
+    }),
+    ...(input.Username !== undefined && { Username: input.Username })
+  };
 };
 
 const serializeAws_json1_1RedshiftDestinationUpdate = (
   input: RedshiftDestinationUpdate,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CloudWatchLoggingOptions !== undefined) {
-    bodyParams[
-      "CloudWatchLoggingOptions"
-    ] = serializeAws_json1_1CloudWatchLoggingOptions(
-      input.CloudWatchLoggingOptions,
-      context
-    );
-  }
-  if (input.ClusterJDBCURL !== undefined) {
-    bodyParams["ClusterJDBCURL"] = input.ClusterJDBCURL;
-  }
-  if (input.CopyCommand !== undefined) {
-    bodyParams["CopyCommand"] = serializeAws_json1_1CopyCommand(
-      input.CopyCommand,
-      context
-    );
-  }
-  if (input.Password !== undefined) {
-    bodyParams["Password"] = input.Password;
-  }
-  if (input.ProcessingConfiguration !== undefined) {
-    bodyParams[
-      "ProcessingConfiguration"
-    ] = serializeAws_json1_1ProcessingConfiguration(
-      input.ProcessingConfiguration,
-      context
-    );
-  }
-  if (input.RetryOptions !== undefined) {
-    bodyParams["RetryOptions"] = serializeAws_json1_1RedshiftRetryOptions(
-      input.RetryOptions,
-      context
-    );
-  }
-  if (input.RoleARN !== undefined) {
-    bodyParams["RoleARN"] = input.RoleARN;
-  }
-  if (input.S3BackupMode !== undefined) {
-    bodyParams["S3BackupMode"] = input.S3BackupMode;
-  }
-  if (input.S3BackupUpdate !== undefined) {
-    bodyParams["S3BackupUpdate"] = serializeAws_json1_1S3DestinationUpdate(
-      input.S3BackupUpdate,
-      context
-    );
-  }
-  if (input.S3Update !== undefined) {
-    bodyParams["S3Update"] = serializeAws_json1_1S3DestinationUpdate(
-      input.S3Update,
-      context
-    );
-  }
-  if (input.Username !== undefined) {
-    bodyParams["Username"] = input.Username;
-  }
-  return bodyParams;
+  return {
+    ...(input.CloudWatchLoggingOptions !== undefined && {
+      CloudWatchLoggingOptions: serializeAws_json1_1CloudWatchLoggingOptions(
+        input.CloudWatchLoggingOptions,
+        context
+      )
+    }),
+    ...(input.ClusterJDBCURL !== undefined && {
+      ClusterJDBCURL: input.ClusterJDBCURL
+    }),
+    ...(input.CopyCommand !== undefined && {
+      CopyCommand: serializeAws_json1_1CopyCommand(input.CopyCommand, context)
+    }),
+    ...(input.Password !== undefined && { Password: input.Password }),
+    ...(input.ProcessingConfiguration !== undefined && {
+      ProcessingConfiguration: serializeAws_json1_1ProcessingConfiguration(
+        input.ProcessingConfiguration,
+        context
+      )
+    }),
+    ...(input.RetryOptions !== undefined && {
+      RetryOptions: serializeAws_json1_1RedshiftRetryOptions(
+        input.RetryOptions,
+        context
+      )
+    }),
+    ...(input.RoleARN !== undefined && { RoleARN: input.RoleARN }),
+    ...(input.S3BackupMode !== undefined && {
+      S3BackupMode: input.S3BackupMode
+    }),
+    ...(input.S3BackupUpdate !== undefined && {
+      S3BackupUpdate: serializeAws_json1_1S3DestinationUpdate(
+        input.S3BackupUpdate,
+        context
+      )
+    }),
+    ...(input.S3Update !== undefined && {
+      S3Update: serializeAws_json1_1S3DestinationUpdate(input.S3Update, context)
+    }),
+    ...(input.Username !== undefined && { Username: input.Username })
+  };
 };
 
 const serializeAws_json1_1RedshiftRetryOptions = (
   input: RedshiftRetryOptions,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DurationInSeconds !== undefined) {
-    bodyParams["DurationInSeconds"] = input.DurationInSeconds;
-  }
-  return bodyParams;
+  return {
+    ...(input.DurationInSeconds !== undefined && {
+      DurationInSeconds: input.DurationInSeconds
+    })
+  };
 };
 
 const serializeAws_json1_1S3DestinationConfiguration = (
   input: S3DestinationConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.BucketARN !== undefined) {
-    bodyParams["BucketARN"] = input.BucketARN;
-  }
-  if (input.BufferingHints !== undefined) {
-    bodyParams["BufferingHints"] = serializeAws_json1_1BufferingHints(
-      input.BufferingHints,
-      context
-    );
-  }
-  if (input.CloudWatchLoggingOptions !== undefined) {
-    bodyParams[
-      "CloudWatchLoggingOptions"
-    ] = serializeAws_json1_1CloudWatchLoggingOptions(
-      input.CloudWatchLoggingOptions,
-      context
-    );
-  }
-  if (input.CompressionFormat !== undefined) {
-    bodyParams["CompressionFormat"] = input.CompressionFormat;
-  }
-  if (input.EncryptionConfiguration !== undefined) {
-    bodyParams[
-      "EncryptionConfiguration"
-    ] = serializeAws_json1_1EncryptionConfiguration(
-      input.EncryptionConfiguration,
-      context
-    );
-  }
-  if (input.ErrorOutputPrefix !== undefined) {
-    bodyParams["ErrorOutputPrefix"] = input.ErrorOutputPrefix;
-  }
-  if (input.Prefix !== undefined) {
-    bodyParams["Prefix"] = input.Prefix;
-  }
-  if (input.RoleARN !== undefined) {
-    bodyParams["RoleARN"] = input.RoleARN;
-  }
-  return bodyParams;
+  return {
+    ...(input.BucketARN !== undefined && { BucketARN: input.BucketARN }),
+    ...(input.BufferingHints !== undefined && {
+      BufferingHints: serializeAws_json1_1BufferingHints(
+        input.BufferingHints,
+        context
+      )
+    }),
+    ...(input.CloudWatchLoggingOptions !== undefined && {
+      CloudWatchLoggingOptions: serializeAws_json1_1CloudWatchLoggingOptions(
+        input.CloudWatchLoggingOptions,
+        context
+      )
+    }),
+    ...(input.CompressionFormat !== undefined && {
+      CompressionFormat: input.CompressionFormat
+    }),
+    ...(input.EncryptionConfiguration !== undefined && {
+      EncryptionConfiguration: serializeAws_json1_1EncryptionConfiguration(
+        input.EncryptionConfiguration,
+        context
+      )
+    }),
+    ...(input.ErrorOutputPrefix !== undefined && {
+      ErrorOutputPrefix: input.ErrorOutputPrefix
+    }),
+    ...(input.Prefix !== undefined && { Prefix: input.Prefix }),
+    ...(input.RoleARN !== undefined && { RoleARN: input.RoleARN })
+  };
 };
 
 const serializeAws_json1_1S3DestinationUpdate = (
   input: S3DestinationUpdate,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.BucketARN !== undefined) {
-    bodyParams["BucketARN"] = input.BucketARN;
-  }
-  if (input.BufferingHints !== undefined) {
-    bodyParams["BufferingHints"] = serializeAws_json1_1BufferingHints(
-      input.BufferingHints,
-      context
-    );
-  }
-  if (input.CloudWatchLoggingOptions !== undefined) {
-    bodyParams[
-      "CloudWatchLoggingOptions"
-    ] = serializeAws_json1_1CloudWatchLoggingOptions(
-      input.CloudWatchLoggingOptions,
-      context
-    );
-  }
-  if (input.CompressionFormat !== undefined) {
-    bodyParams["CompressionFormat"] = input.CompressionFormat;
-  }
-  if (input.EncryptionConfiguration !== undefined) {
-    bodyParams[
-      "EncryptionConfiguration"
-    ] = serializeAws_json1_1EncryptionConfiguration(
-      input.EncryptionConfiguration,
-      context
-    );
-  }
-  if (input.ErrorOutputPrefix !== undefined) {
-    bodyParams["ErrorOutputPrefix"] = input.ErrorOutputPrefix;
-  }
-  if (input.Prefix !== undefined) {
-    bodyParams["Prefix"] = input.Prefix;
-  }
-  if (input.RoleARN !== undefined) {
-    bodyParams["RoleARN"] = input.RoleARN;
-  }
-  return bodyParams;
+  return {
+    ...(input.BucketARN !== undefined && { BucketARN: input.BucketARN }),
+    ...(input.BufferingHints !== undefined && {
+      BufferingHints: serializeAws_json1_1BufferingHints(
+        input.BufferingHints,
+        context
+      )
+    }),
+    ...(input.CloudWatchLoggingOptions !== undefined && {
+      CloudWatchLoggingOptions: serializeAws_json1_1CloudWatchLoggingOptions(
+        input.CloudWatchLoggingOptions,
+        context
+      )
+    }),
+    ...(input.CompressionFormat !== undefined && {
+      CompressionFormat: input.CompressionFormat
+    }),
+    ...(input.EncryptionConfiguration !== undefined && {
+      EncryptionConfiguration: serializeAws_json1_1EncryptionConfiguration(
+        input.EncryptionConfiguration,
+        context
+      )
+    }),
+    ...(input.ErrorOutputPrefix !== undefined && {
+      ErrorOutputPrefix: input.ErrorOutputPrefix
+    }),
+    ...(input.Prefix !== undefined && { Prefix: input.Prefix }),
+    ...(input.RoleARN !== undefined && { RoleARN: input.RoleARN })
+  };
 };
 
 const serializeAws_json1_1SchemaConfiguration = (
   input: SchemaConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CatalogId !== undefined) {
-    bodyParams["CatalogId"] = input.CatalogId;
-  }
-  if (input.DatabaseName !== undefined) {
-    bodyParams["DatabaseName"] = input.DatabaseName;
-  }
-  if (input.Region !== undefined) {
-    bodyParams["Region"] = input.Region;
-  }
-  if (input.RoleARN !== undefined) {
-    bodyParams["RoleARN"] = input.RoleARN;
-  }
-  if (input.TableName !== undefined) {
-    bodyParams["TableName"] = input.TableName;
-  }
-  if (input.VersionId !== undefined) {
-    bodyParams["VersionId"] = input.VersionId;
-  }
-  return bodyParams;
+  return {
+    ...(input.CatalogId !== undefined && { CatalogId: input.CatalogId }),
+    ...(input.DatabaseName !== undefined && {
+      DatabaseName: input.DatabaseName
+    }),
+    ...(input.Region !== undefined && { Region: input.Region }),
+    ...(input.RoleARN !== undefined && { RoleARN: input.RoleARN }),
+    ...(input.TableName !== undefined && { TableName: input.TableName }),
+    ...(input.VersionId !== undefined && { VersionId: input.VersionId })
+  };
 };
 
 const serializeAws_json1_1Serializer = (
   input: Serializer,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.OrcSerDe !== undefined) {
-    bodyParams["OrcSerDe"] = serializeAws_json1_1OrcSerDe(
-      input.OrcSerDe,
-      context
-    );
-  }
-  if (input.ParquetSerDe !== undefined) {
-    bodyParams["ParquetSerDe"] = serializeAws_json1_1ParquetSerDe(
-      input.ParquetSerDe,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.OrcSerDe !== undefined && {
+      OrcSerDe: serializeAws_json1_1OrcSerDe(input.OrcSerDe, context)
+    }),
+    ...(input.ParquetSerDe !== undefined && {
+      ParquetSerDe: serializeAws_json1_1ParquetSerDe(
+        input.ParquetSerDe,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1SplunkDestinationConfiguration = (
   input: SplunkDestinationConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CloudWatchLoggingOptions !== undefined) {
-    bodyParams[
-      "CloudWatchLoggingOptions"
-    ] = serializeAws_json1_1CloudWatchLoggingOptions(
-      input.CloudWatchLoggingOptions,
-      context
-    );
-  }
-  if (input.HECAcknowledgmentTimeoutInSeconds !== undefined) {
-    bodyParams["HECAcknowledgmentTimeoutInSeconds"] =
-      input.HECAcknowledgmentTimeoutInSeconds;
-  }
-  if (input.HECEndpoint !== undefined) {
-    bodyParams["HECEndpoint"] = input.HECEndpoint;
-  }
-  if (input.HECEndpointType !== undefined) {
-    bodyParams["HECEndpointType"] = input.HECEndpointType;
-  }
-  if (input.HECToken !== undefined) {
-    bodyParams["HECToken"] = input.HECToken;
-  }
-  if (input.ProcessingConfiguration !== undefined) {
-    bodyParams[
-      "ProcessingConfiguration"
-    ] = serializeAws_json1_1ProcessingConfiguration(
-      input.ProcessingConfiguration,
-      context
-    );
-  }
-  if (input.RetryOptions !== undefined) {
-    bodyParams["RetryOptions"] = serializeAws_json1_1SplunkRetryOptions(
-      input.RetryOptions,
-      context
-    );
-  }
-  if (input.S3BackupMode !== undefined) {
-    bodyParams["S3BackupMode"] = input.S3BackupMode;
-  }
-  if (input.S3Configuration !== undefined) {
-    bodyParams[
-      "S3Configuration"
-    ] = serializeAws_json1_1S3DestinationConfiguration(
-      input.S3Configuration,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.CloudWatchLoggingOptions !== undefined && {
+      CloudWatchLoggingOptions: serializeAws_json1_1CloudWatchLoggingOptions(
+        input.CloudWatchLoggingOptions,
+        context
+      )
+    }),
+    ...(input.HECAcknowledgmentTimeoutInSeconds !== undefined && {
+      HECAcknowledgmentTimeoutInSeconds: input.HECAcknowledgmentTimeoutInSeconds
+    }),
+    ...(input.HECEndpoint !== undefined && { HECEndpoint: input.HECEndpoint }),
+    ...(input.HECEndpointType !== undefined && {
+      HECEndpointType: input.HECEndpointType
+    }),
+    ...(input.HECToken !== undefined && { HECToken: input.HECToken }),
+    ...(input.ProcessingConfiguration !== undefined && {
+      ProcessingConfiguration: serializeAws_json1_1ProcessingConfiguration(
+        input.ProcessingConfiguration,
+        context
+      )
+    }),
+    ...(input.RetryOptions !== undefined && {
+      RetryOptions: serializeAws_json1_1SplunkRetryOptions(
+        input.RetryOptions,
+        context
+      )
+    }),
+    ...(input.S3BackupMode !== undefined && {
+      S3BackupMode: input.S3BackupMode
+    }),
+    ...(input.S3Configuration !== undefined && {
+      S3Configuration: serializeAws_json1_1S3DestinationConfiguration(
+        input.S3Configuration,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1SplunkDestinationUpdate = (
   input: SplunkDestinationUpdate,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CloudWatchLoggingOptions !== undefined) {
-    bodyParams[
-      "CloudWatchLoggingOptions"
-    ] = serializeAws_json1_1CloudWatchLoggingOptions(
-      input.CloudWatchLoggingOptions,
-      context
-    );
-  }
-  if (input.HECAcknowledgmentTimeoutInSeconds !== undefined) {
-    bodyParams["HECAcknowledgmentTimeoutInSeconds"] =
-      input.HECAcknowledgmentTimeoutInSeconds;
-  }
-  if (input.HECEndpoint !== undefined) {
-    bodyParams["HECEndpoint"] = input.HECEndpoint;
-  }
-  if (input.HECEndpointType !== undefined) {
-    bodyParams["HECEndpointType"] = input.HECEndpointType;
-  }
-  if (input.HECToken !== undefined) {
-    bodyParams["HECToken"] = input.HECToken;
-  }
-  if (input.ProcessingConfiguration !== undefined) {
-    bodyParams[
-      "ProcessingConfiguration"
-    ] = serializeAws_json1_1ProcessingConfiguration(
-      input.ProcessingConfiguration,
-      context
-    );
-  }
-  if (input.RetryOptions !== undefined) {
-    bodyParams["RetryOptions"] = serializeAws_json1_1SplunkRetryOptions(
-      input.RetryOptions,
-      context
-    );
-  }
-  if (input.S3BackupMode !== undefined) {
-    bodyParams["S3BackupMode"] = input.S3BackupMode;
-  }
-  if (input.S3Update !== undefined) {
-    bodyParams["S3Update"] = serializeAws_json1_1S3DestinationUpdate(
-      input.S3Update,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.CloudWatchLoggingOptions !== undefined && {
+      CloudWatchLoggingOptions: serializeAws_json1_1CloudWatchLoggingOptions(
+        input.CloudWatchLoggingOptions,
+        context
+      )
+    }),
+    ...(input.HECAcknowledgmentTimeoutInSeconds !== undefined && {
+      HECAcknowledgmentTimeoutInSeconds: input.HECAcknowledgmentTimeoutInSeconds
+    }),
+    ...(input.HECEndpoint !== undefined && { HECEndpoint: input.HECEndpoint }),
+    ...(input.HECEndpointType !== undefined && {
+      HECEndpointType: input.HECEndpointType
+    }),
+    ...(input.HECToken !== undefined && { HECToken: input.HECToken }),
+    ...(input.ProcessingConfiguration !== undefined && {
+      ProcessingConfiguration: serializeAws_json1_1ProcessingConfiguration(
+        input.ProcessingConfiguration,
+        context
+      )
+    }),
+    ...(input.RetryOptions !== undefined && {
+      RetryOptions: serializeAws_json1_1SplunkRetryOptions(
+        input.RetryOptions,
+        context
+      )
+    }),
+    ...(input.S3BackupMode !== undefined && {
+      S3BackupMode: input.S3BackupMode
+    }),
+    ...(input.S3Update !== undefined && {
+      S3Update: serializeAws_json1_1S3DestinationUpdate(input.S3Update, context)
+    })
+  };
 };
 
 const serializeAws_json1_1SplunkRetryOptions = (
   input: SplunkRetryOptions,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DurationInSeconds !== undefined) {
-    bodyParams["DurationInSeconds"] = input.DurationInSeconds;
-  }
-  return bodyParams;
+  return {
+    ...(input.DurationInSeconds !== undefined && {
+      DurationInSeconds: input.DurationInSeconds
+    })
+  };
 };
 
 const serializeAws_json1_1StartDeliveryStreamEncryptionInput = (
   input: StartDeliveryStreamEncryptionInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DeliveryStreamEncryptionConfigurationInput !== undefined) {
-    bodyParams[
-      "DeliveryStreamEncryptionConfigurationInput"
-    ] = serializeAws_json1_1DeliveryStreamEncryptionConfigurationInput(
-      input.DeliveryStreamEncryptionConfigurationInput,
-      context
-    );
-  }
-  if (input.DeliveryStreamName !== undefined) {
-    bodyParams["DeliveryStreamName"] = input.DeliveryStreamName;
-  }
-  return bodyParams;
+  return {
+    ...(input.DeliveryStreamEncryptionConfigurationInput !== undefined && {
+      DeliveryStreamEncryptionConfigurationInput: serializeAws_json1_1DeliveryStreamEncryptionConfigurationInput(
+        input.DeliveryStreamEncryptionConfigurationInput,
+        context
+      )
+    }),
+    ...(input.DeliveryStreamName !== undefined && {
+      DeliveryStreamName: input.DeliveryStreamName
+    })
+  };
 };
 
 const serializeAws_json1_1StopDeliveryStreamEncryptionInput = (
   input: StopDeliveryStreamEncryptionInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DeliveryStreamName !== undefined) {
-    bodyParams["DeliveryStreamName"] = input.DeliveryStreamName;
-  }
-  return bodyParams;
+  return {
+    ...(input.DeliveryStreamName !== undefined && {
+      DeliveryStreamName: input.DeliveryStreamName
+    })
+  };
 };
 
 const serializeAws_json1_1Tag = (input: Tag, context: __SerdeContext): any => {
-  const bodyParams: any = {};
-  if (input.Key !== undefined) {
-    bodyParams["Key"] = input.Key;
-  }
-  if (input.Value !== undefined) {
-    bodyParams["Value"] = input.Value;
-  }
-  return bodyParams;
+  return {
+    ...(input.Key !== undefined && { Key: input.Key }),
+    ...(input.Value !== undefined && { Value: input.Value })
+  };
 };
 
 const serializeAws_json1_1TagDeliveryStreamInput = (
   input: TagDeliveryStreamInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DeliveryStreamName !== undefined) {
-    bodyParams["DeliveryStreamName"] = input.DeliveryStreamName;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagDeliveryStreamInputTagList(
-      input.Tags,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.DeliveryStreamName !== undefined && {
+      DeliveryStreamName: input.DeliveryStreamName
+    }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagDeliveryStreamInputTagList(
+        input.Tags,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1TagDeliveryStreamInputTagList = (
@@ -2833,73 +2612,61 @@ const serializeAws_json1_1UntagDeliveryStreamInput = (
   input: UntagDeliveryStreamInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DeliveryStreamName !== undefined) {
-    bodyParams["DeliveryStreamName"] = input.DeliveryStreamName;
-  }
-  if (input.TagKeys !== undefined) {
-    bodyParams["TagKeys"] = serializeAws_json1_1TagKeyList(
-      input.TagKeys,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.DeliveryStreamName !== undefined && {
+      DeliveryStreamName: input.DeliveryStreamName
+    }),
+    ...(input.TagKeys !== undefined && {
+      TagKeys: serializeAws_json1_1TagKeyList(input.TagKeys, context)
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateDestinationInput = (
   input: UpdateDestinationInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CurrentDeliveryStreamVersionId !== undefined) {
-    bodyParams["CurrentDeliveryStreamVersionId"] =
-      input.CurrentDeliveryStreamVersionId;
-  }
-  if (input.DeliveryStreamName !== undefined) {
-    bodyParams["DeliveryStreamName"] = input.DeliveryStreamName;
-  }
-  if (input.DestinationId !== undefined) {
-    bodyParams["DestinationId"] = input.DestinationId;
-  }
-  if (input.ElasticsearchDestinationUpdate !== undefined) {
-    bodyParams[
-      "ElasticsearchDestinationUpdate"
-    ] = serializeAws_json1_1ElasticsearchDestinationUpdate(
-      input.ElasticsearchDestinationUpdate,
-      context
-    );
-  }
-  if (input.ExtendedS3DestinationUpdate !== undefined) {
-    bodyParams[
-      "ExtendedS3DestinationUpdate"
-    ] = serializeAws_json1_1ExtendedS3DestinationUpdate(
-      input.ExtendedS3DestinationUpdate,
-      context
-    );
-  }
-  if (input.RedshiftDestinationUpdate !== undefined) {
-    bodyParams[
-      "RedshiftDestinationUpdate"
-    ] = serializeAws_json1_1RedshiftDestinationUpdate(
-      input.RedshiftDestinationUpdate,
-      context
-    );
-  }
-  if (input.S3DestinationUpdate !== undefined) {
-    bodyParams["S3DestinationUpdate"] = serializeAws_json1_1S3DestinationUpdate(
-      input.S3DestinationUpdate,
-      context
-    );
-  }
-  if (input.SplunkDestinationUpdate !== undefined) {
-    bodyParams[
-      "SplunkDestinationUpdate"
-    ] = serializeAws_json1_1SplunkDestinationUpdate(
-      input.SplunkDestinationUpdate,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.CurrentDeliveryStreamVersionId !== undefined && {
+      CurrentDeliveryStreamVersionId: input.CurrentDeliveryStreamVersionId
+    }),
+    ...(input.DeliveryStreamName !== undefined && {
+      DeliveryStreamName: input.DeliveryStreamName
+    }),
+    ...(input.DestinationId !== undefined && {
+      DestinationId: input.DestinationId
+    }),
+    ...(input.ElasticsearchDestinationUpdate !== undefined && {
+      ElasticsearchDestinationUpdate: serializeAws_json1_1ElasticsearchDestinationUpdate(
+        input.ElasticsearchDestinationUpdate,
+        context
+      )
+    }),
+    ...(input.ExtendedS3DestinationUpdate !== undefined && {
+      ExtendedS3DestinationUpdate: serializeAws_json1_1ExtendedS3DestinationUpdate(
+        input.ExtendedS3DestinationUpdate,
+        context
+      )
+    }),
+    ...(input.RedshiftDestinationUpdate !== undefined && {
+      RedshiftDestinationUpdate: serializeAws_json1_1RedshiftDestinationUpdate(
+        input.RedshiftDestinationUpdate,
+        context
+      )
+    }),
+    ...(input.S3DestinationUpdate !== undefined && {
+      S3DestinationUpdate: serializeAws_json1_1S3DestinationUpdate(
+        input.S3DestinationUpdate,
+        context
+      )
+    }),
+    ...(input.SplunkDestinationUpdate !== undefined && {
+      SplunkDestinationUpdate: serializeAws_json1_1SplunkDestinationUpdate(
+        input.SplunkDestinationUpdate,
+        context
+      )
+    })
+  };
 };
 
 const deserializeAws_json1_1BufferingHints = (
diff --git a/clients/client-fms/protocols/Aws_json1_1.ts b/clients/client-fms/protocols/Aws_json1_1.ts
index 9adeb01950d8..4702849b00e6 100644
--- a/clients/client-fms/protocols/Aws_json1_1.ts
+++ b/clients/client-fms/protocols/Aws_json1_1.ts
@@ -1970,11 +1970,11 @@ const serializeAws_json1_1AssociateAdminAccountRequest = (
   input: AssociateAdminAccountRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AdminAccount !== undefined) {
-    bodyParams["AdminAccount"] = input.AdminAccount;
-  }
-  return bodyParams;
+  return {
+    ...(input.AdminAccount !== undefined && {
+      AdminAccount: input.AdminAccount
+    })
+  };
 };
 
 const serializeAws_json1_1CustomerPolicyScopeIdList = (
@@ -2001,253 +2001,207 @@ const serializeAws_json1_1DeleteNotificationChannelRequest = (
   input: DeleteNotificationChannelRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  return bodyParams;
+  return {};
 };
 
 const serializeAws_json1_1DeletePolicyRequest = (
   input: DeletePolicyRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DeleteAllPolicyResources !== undefined) {
-    bodyParams["DeleteAllPolicyResources"] = input.DeleteAllPolicyResources;
-  }
-  if (input.PolicyId !== undefined) {
-    bodyParams["PolicyId"] = input.PolicyId;
-  }
-  return bodyParams;
+  return {
+    ...(input.DeleteAllPolicyResources !== undefined && {
+      DeleteAllPolicyResources: input.DeleteAllPolicyResources
+    }),
+    ...(input.PolicyId !== undefined && { PolicyId: input.PolicyId })
+  };
 };
 
 const serializeAws_json1_1DisassociateAdminAccountRequest = (
   input: DisassociateAdminAccountRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  return bodyParams;
+  return {};
 };
 
 const serializeAws_json1_1GetAdminAccountRequest = (
   input: GetAdminAccountRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  return bodyParams;
+  return {};
 };
 
 const serializeAws_json1_1GetComplianceDetailRequest = (
   input: GetComplianceDetailRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MemberAccount !== undefined) {
-    bodyParams["MemberAccount"] = input.MemberAccount;
-  }
-  if (input.PolicyId !== undefined) {
-    bodyParams["PolicyId"] = input.PolicyId;
-  }
-  return bodyParams;
+  return {
+    ...(input.MemberAccount !== undefined && {
+      MemberAccount: input.MemberAccount
+    }),
+    ...(input.PolicyId !== undefined && { PolicyId: input.PolicyId })
+  };
 };
 
 const serializeAws_json1_1GetNotificationChannelRequest = (
   input: GetNotificationChannelRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  return bodyParams;
+  return {};
 };
 
 const serializeAws_json1_1GetPolicyRequest = (
   input: GetPolicyRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.PolicyId !== undefined) {
-    bodyParams["PolicyId"] = input.PolicyId;
-  }
-  return bodyParams;
+  return {
+    ...(input.PolicyId !== undefined && { PolicyId: input.PolicyId })
+  };
 };
 
 const serializeAws_json1_1GetProtectionStatusRequest = (
   input: GetProtectionStatusRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EndTime !== undefined) {
-    bodyParams["EndTime"] = Math.round(input.EndTime.getTime() / 1000);
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.MemberAccountId !== undefined) {
-    bodyParams["MemberAccountId"] = input.MemberAccountId;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.PolicyId !== undefined) {
-    bodyParams["PolicyId"] = input.PolicyId;
-  }
-  if (input.StartTime !== undefined) {
-    bodyParams["StartTime"] = Math.round(input.StartTime.getTime() / 1000);
-  }
-  return bodyParams;
+  return {
+    ...(input.EndTime !== undefined && {
+      EndTime: Math.round(input.EndTime.getTime() / 1000)
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.MemberAccountId !== undefined && {
+      MemberAccountId: input.MemberAccountId
+    }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.PolicyId !== undefined && { PolicyId: input.PolicyId }),
+    ...(input.StartTime !== undefined && {
+      StartTime: Math.round(input.StartTime.getTime() / 1000)
+    })
+  };
 };
 
 const serializeAws_json1_1ListComplianceStatusRequest = (
   input: ListComplianceStatusRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.PolicyId !== undefined) {
-    bodyParams["PolicyId"] = input.PolicyId;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.PolicyId !== undefined && { PolicyId: input.PolicyId })
+  };
 };
 
 const serializeAws_json1_1ListMemberAccountsRequest = (
   input: ListMemberAccountsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1ListPoliciesRequest = (
   input: ListPoliciesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1ListTagsForResourceRequest = (
   input: ListTagsForResourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceArn !== undefined) {
-    bodyParams["ResourceArn"] = input.ResourceArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceArn !== undefined && { ResourceArn: input.ResourceArn })
+  };
 };
 
 const serializeAws_json1_1Policy = (
   input: Policy,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ExcludeMap !== undefined) {
-    bodyParams["ExcludeMap"] = serializeAws_json1_1CustomerPolicyScopeMap(
-      input.ExcludeMap,
-      context
-    );
-  }
-  if (input.ExcludeResourceTags !== undefined) {
-    bodyParams["ExcludeResourceTags"] = input.ExcludeResourceTags;
-  }
-  if (input.IncludeMap !== undefined) {
-    bodyParams["IncludeMap"] = serializeAws_json1_1CustomerPolicyScopeMap(
-      input.IncludeMap,
-      context
-    );
-  }
-  if (input.PolicyId !== undefined) {
-    bodyParams["PolicyId"] = input.PolicyId;
-  }
-  if (input.PolicyName !== undefined) {
-    bodyParams["PolicyName"] = input.PolicyName;
-  }
-  if (input.PolicyUpdateToken !== undefined) {
-    bodyParams["PolicyUpdateToken"] = input.PolicyUpdateToken;
-  }
-  if (input.RemediationEnabled !== undefined) {
-    bodyParams["RemediationEnabled"] = input.RemediationEnabled;
-  }
-  if (input.ResourceTags !== undefined) {
-    bodyParams["ResourceTags"] = serializeAws_json1_1ResourceTags(
-      input.ResourceTags,
-      context
-    );
-  }
-  if (input.ResourceType !== undefined) {
-    bodyParams["ResourceType"] = input.ResourceType;
-  }
-  if (input.ResourceTypeList !== undefined) {
-    bodyParams["ResourceTypeList"] = serializeAws_json1_1ResourceTypeList(
-      input.ResourceTypeList,
-      context
-    );
-  }
-  if (input.SecurityServicePolicyData !== undefined) {
-    bodyParams[
-      "SecurityServicePolicyData"
-    ] = serializeAws_json1_1SecurityServicePolicyData(
-      input.SecurityServicePolicyData,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ExcludeMap !== undefined && {
+      ExcludeMap: serializeAws_json1_1CustomerPolicyScopeMap(
+        input.ExcludeMap,
+        context
+      )
+    }),
+    ...(input.ExcludeResourceTags !== undefined && {
+      ExcludeResourceTags: input.ExcludeResourceTags
+    }),
+    ...(input.IncludeMap !== undefined && {
+      IncludeMap: serializeAws_json1_1CustomerPolicyScopeMap(
+        input.IncludeMap,
+        context
+      )
+    }),
+    ...(input.PolicyId !== undefined && { PolicyId: input.PolicyId }),
+    ...(input.PolicyName !== undefined && { PolicyName: input.PolicyName }),
+    ...(input.PolicyUpdateToken !== undefined && {
+      PolicyUpdateToken: input.PolicyUpdateToken
+    }),
+    ...(input.RemediationEnabled !== undefined && {
+      RemediationEnabled: input.RemediationEnabled
+    }),
+    ...(input.ResourceTags !== undefined && {
+      ResourceTags: serializeAws_json1_1ResourceTags(
+        input.ResourceTags,
+        context
+      )
+    }),
+    ...(input.ResourceType !== undefined && {
+      ResourceType: input.ResourceType
+    }),
+    ...(input.ResourceTypeList !== undefined && {
+      ResourceTypeList: serializeAws_json1_1ResourceTypeList(
+        input.ResourceTypeList,
+        context
+      )
+    }),
+    ...(input.SecurityServicePolicyData !== undefined && {
+      SecurityServicePolicyData: serializeAws_json1_1SecurityServicePolicyData(
+        input.SecurityServicePolicyData,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1PutNotificationChannelRequest = (
   input: PutNotificationChannelRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.SnsRoleName !== undefined) {
-    bodyParams["SnsRoleName"] = input.SnsRoleName;
-  }
-  if (input.SnsTopicArn !== undefined) {
-    bodyParams["SnsTopicArn"] = input.SnsTopicArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.SnsRoleName !== undefined && { SnsRoleName: input.SnsRoleName }),
+    ...(input.SnsTopicArn !== undefined && { SnsTopicArn: input.SnsTopicArn })
+  };
 };
 
 const serializeAws_json1_1PutPolicyRequest = (
   input: PutPolicyRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Policy !== undefined) {
-    bodyParams["Policy"] = serializeAws_json1_1Policy(input.Policy, context);
-  }
-  if (input.TagList !== undefined) {
-    bodyParams["TagList"] = serializeAws_json1_1TagList(input.TagList, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.Policy !== undefined && {
+      Policy: serializeAws_json1_1Policy(input.Policy, context)
+    }),
+    ...(input.TagList !== undefined && {
+      TagList: serializeAws_json1_1TagList(input.TagList, context)
+    })
+  };
 };
 
 const serializeAws_json1_1ResourceTag = (
   input: ResourceTag,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Key !== undefined) {
-    bodyParams["Key"] = input.Key;
-  }
-  if (input.Value !== undefined) {
-    bodyParams["Value"] = input.Value;
-  }
-  return bodyParams;
+  return {
+    ...(input.Key !== undefined && { Key: input.Key }),
+    ...(input.Value !== undefined && { Value: input.Value })
+  };
 };
 
 const serializeAws_json1_1ResourceTags = (
@@ -2268,25 +2222,19 @@ const serializeAws_json1_1SecurityServicePolicyData = (
   input: SecurityServicePolicyData,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ManagedServiceData !== undefined) {
-    bodyParams["ManagedServiceData"] = input.ManagedServiceData;
-  }
-  if (input.Type !== undefined) {
-    bodyParams["Type"] = input.Type;
-  }
-  return bodyParams;
+  return {
+    ...(input.ManagedServiceData !== undefined && {
+      ManagedServiceData: input.ManagedServiceData
+    }),
+    ...(input.Type !== undefined && { Type: input.Type })
+  };
 };
 
 const serializeAws_json1_1Tag = (input: Tag, context: __SerdeContext): any => {
-  const bodyParams: any = {};
-  if (input.Key !== undefined) {
-    bodyParams["Key"] = input.Key;
-  }
-  if (input.Value !== undefined) {
-    bodyParams["Value"] = input.Value;
-  }
-  return bodyParams;
+  return {
+    ...(input.Key !== undefined && { Key: input.Key }),
+    ...(input.Value !== undefined && { Value: input.Value })
+  };
 };
 
 const serializeAws_json1_1TagKeyList = (
@@ -2307,31 +2255,24 @@ const serializeAws_json1_1TagResourceRequest = (
   input: TagResourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceArn !== undefined) {
-    bodyParams["ResourceArn"] = input.ResourceArn;
-  }
-  if (input.TagList !== undefined) {
-    bodyParams["TagList"] = serializeAws_json1_1TagList(input.TagList, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceArn !== undefined && { ResourceArn: input.ResourceArn }),
+    ...(input.TagList !== undefined && {
+      TagList: serializeAws_json1_1TagList(input.TagList, context)
+    })
+  };
 };
 
 const serializeAws_json1_1UntagResourceRequest = (
   input: UntagResourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceArn !== undefined) {
-    bodyParams["ResourceArn"] = input.ResourceArn;
-  }
-  if (input.TagKeys !== undefined) {
-    bodyParams["TagKeys"] = serializeAws_json1_1TagKeyList(
-      input.TagKeys,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceArn !== undefined && { ResourceArn: input.ResourceArn }),
+    ...(input.TagKeys !== undefined && {
+      TagKeys: serializeAws_json1_1TagKeyList(input.TagKeys, context)
+    })
+  };
 };
 
 const deserializeAws_json1_1ComplianceViolator = (
diff --git a/clients/client-forecast/protocols/Aws_json1_1.ts b/clients/client-forecast/protocols/Aws_json1_1.ts
index 72a6509c404c..96b04c626afd 100644
--- a/clients/client-forecast/protocols/Aws_json1_1.ts
+++ b/clients/client-forecast/protocols/Aws_json1_1.ts
@@ -2828,14 +2828,12 @@ const serializeAws_json1_1CategoricalParameterRange = (
   input: CategoricalParameterRange,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.Values !== undefined) {
-    bodyParams["Values"] = serializeAws_json1_1Values(input.Values, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.Values !== undefined && {
+      Values: serializeAws_json1_1Values(input.Values, context)
+    })
+  };
 };
 
 const serializeAws_json1_1CategoricalParameterRanges = (
@@ -2851,20 +2849,12 @@ const serializeAws_json1_1ContinuousParameterRange = (
   input: ContinuousParameterRange,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxValue !== undefined) {
-    bodyParams["MaxValue"] = input.MaxValue;
-  }
-  if (input.MinValue !== undefined) {
-    bodyParams["MinValue"] = input.MinValue;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.ScalingType !== undefined) {
-    bodyParams["ScalingType"] = input.ScalingType;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxValue !== undefined && { MaxValue: input.MaxValue }),
+    ...(input.MinValue !== undefined && { MinValue: input.MinValue }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.ScalingType !== undefined && { ScalingType: input.ScalingType })
+  };
 };
 
 const serializeAws_json1_1ContinuousParameterRanges = (
@@ -2880,422 +2870,378 @@ const serializeAws_json1_1CreateDatasetGroupRequest = (
   input: CreateDatasetGroupRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DatasetArns !== undefined) {
-    bodyParams["DatasetArns"] = serializeAws_json1_1ArnList(
-      input.DatasetArns,
-      context
-    );
-  }
-  if (input.DatasetGroupName !== undefined) {
-    bodyParams["DatasetGroupName"] = input.DatasetGroupName;
-  }
-  if (input.Domain !== undefined) {
-    bodyParams["Domain"] = input.Domain;
-  }
-  return bodyParams;
+  return {
+    ...(input.DatasetArns !== undefined && {
+      DatasetArns: serializeAws_json1_1ArnList(input.DatasetArns, context)
+    }),
+    ...(input.DatasetGroupName !== undefined && {
+      DatasetGroupName: input.DatasetGroupName
+    }),
+    ...(input.Domain !== undefined && { Domain: input.Domain })
+  };
 };
 
 const serializeAws_json1_1CreateDatasetImportJobRequest = (
   input: CreateDatasetImportJobRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DataSource !== undefined) {
-    bodyParams["DataSource"] = serializeAws_json1_1DataSource(
-      input.DataSource,
-      context
-    );
-  }
-  if (input.DatasetArn !== undefined) {
-    bodyParams["DatasetArn"] = input.DatasetArn;
-  }
-  if (input.DatasetImportJobName !== undefined) {
-    bodyParams["DatasetImportJobName"] = input.DatasetImportJobName;
-  }
-  if (input.TimestampFormat !== undefined) {
-    bodyParams["TimestampFormat"] = input.TimestampFormat;
-  }
-  return bodyParams;
+  return {
+    ...(input.DataSource !== undefined && {
+      DataSource: serializeAws_json1_1DataSource(input.DataSource, context)
+    }),
+    ...(input.DatasetArn !== undefined && { DatasetArn: input.DatasetArn }),
+    ...(input.DatasetImportJobName !== undefined && {
+      DatasetImportJobName: input.DatasetImportJobName
+    }),
+    ...(input.TimestampFormat !== undefined && {
+      TimestampFormat: input.TimestampFormat
+    })
+  };
 };
 
 const serializeAws_json1_1CreateDatasetRequest = (
   input: CreateDatasetRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DataFrequency !== undefined) {
-    bodyParams["DataFrequency"] = input.DataFrequency;
-  }
-  if (input.DatasetName !== undefined) {
-    bodyParams["DatasetName"] = input.DatasetName;
-  }
-  if (input.DatasetType !== undefined) {
-    bodyParams["DatasetType"] = input.DatasetType;
-  }
-  if (input.Domain !== undefined) {
-    bodyParams["Domain"] = input.Domain;
-  }
-  if (input.EncryptionConfig !== undefined) {
-    bodyParams["EncryptionConfig"] = serializeAws_json1_1EncryptionConfig(
-      input.EncryptionConfig,
-      context
-    );
-  }
-  if (input.Schema !== undefined) {
-    bodyParams["Schema"] = serializeAws_json1_1Schema(input.Schema, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.DataFrequency !== undefined && {
+      DataFrequency: input.DataFrequency
+    }),
+    ...(input.DatasetName !== undefined && { DatasetName: input.DatasetName }),
+    ...(input.DatasetType !== undefined && { DatasetType: input.DatasetType }),
+    ...(input.Domain !== undefined && { Domain: input.Domain }),
+    ...(input.EncryptionConfig !== undefined && {
+      EncryptionConfig: serializeAws_json1_1EncryptionConfig(
+        input.EncryptionConfig,
+        context
+      )
+    }),
+    ...(input.Schema !== undefined && {
+      Schema: serializeAws_json1_1Schema(input.Schema, context)
+    })
+  };
 };
 
 const serializeAws_json1_1CreateForecastExportJobRequest = (
   input: CreateForecastExportJobRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Destination !== undefined) {
-    bodyParams["Destination"] = serializeAws_json1_1DataDestination(
-      input.Destination,
-      context
-    );
-  }
-  if (input.ForecastArn !== undefined) {
-    bodyParams["ForecastArn"] = input.ForecastArn;
-  }
-  if (input.ForecastExportJobName !== undefined) {
-    bodyParams["ForecastExportJobName"] = input.ForecastExportJobName;
-  }
-  return bodyParams;
+  return {
+    ...(input.Destination !== undefined && {
+      Destination: serializeAws_json1_1DataDestination(
+        input.Destination,
+        context
+      )
+    }),
+    ...(input.ForecastArn !== undefined && { ForecastArn: input.ForecastArn }),
+    ...(input.ForecastExportJobName !== undefined && {
+      ForecastExportJobName: input.ForecastExportJobName
+    })
+  };
 };
 
 const serializeAws_json1_1CreateForecastRequest = (
   input: CreateForecastRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ForecastName !== undefined) {
-    bodyParams["ForecastName"] = input.ForecastName;
-  }
-  if (input.ForecastTypes !== undefined) {
-    bodyParams["ForecastTypes"] = serializeAws_json1_1ForecastTypes(
-      input.ForecastTypes,
-      context
-    );
-  }
-  if (input.PredictorArn !== undefined) {
-    bodyParams["PredictorArn"] = input.PredictorArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.ForecastName !== undefined && {
+      ForecastName: input.ForecastName
+    }),
+    ...(input.ForecastTypes !== undefined && {
+      ForecastTypes: serializeAws_json1_1ForecastTypes(
+        input.ForecastTypes,
+        context
+      )
+    }),
+    ...(input.PredictorArn !== undefined && {
+      PredictorArn: input.PredictorArn
+    })
+  };
 };
 
 const serializeAws_json1_1CreatePredictorRequest = (
   input: CreatePredictorRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AlgorithmArn !== undefined) {
-    bodyParams["AlgorithmArn"] = input.AlgorithmArn;
-  }
-  if (input.EncryptionConfig !== undefined) {
-    bodyParams["EncryptionConfig"] = serializeAws_json1_1EncryptionConfig(
-      input.EncryptionConfig,
-      context
-    );
-  }
-  if (input.EvaluationParameters !== undefined) {
-    bodyParams[
-      "EvaluationParameters"
-    ] = serializeAws_json1_1EvaluationParameters(
-      input.EvaluationParameters,
-      context
-    );
-  }
-  if (input.FeaturizationConfig !== undefined) {
-    bodyParams["FeaturizationConfig"] = serializeAws_json1_1FeaturizationConfig(
-      input.FeaturizationConfig,
-      context
-    );
-  }
-  if (input.ForecastHorizon !== undefined) {
-    bodyParams["ForecastHorizon"] = input.ForecastHorizon;
-  }
-  if (input.HPOConfig !== undefined) {
-    bodyParams["HPOConfig"] = serializeAws_json1_1HyperParameterTuningJobConfig(
-      input.HPOConfig,
-      context
-    );
-  }
-  if (input.InputDataConfig !== undefined) {
-    bodyParams["InputDataConfig"] = serializeAws_json1_1InputDataConfig(
-      input.InputDataConfig,
-      context
-    );
-  }
-  if (input.PerformAutoML !== undefined) {
-    bodyParams["PerformAutoML"] = input.PerformAutoML;
-  }
-  if (input.PerformHPO !== undefined) {
-    bodyParams["PerformHPO"] = input.PerformHPO;
-  }
-  if (input.PredictorName !== undefined) {
-    bodyParams["PredictorName"] = input.PredictorName;
-  }
-  if (input.TrainingParameters !== undefined) {
-    bodyParams["TrainingParameters"] = serializeAws_json1_1TrainingParameters(
-      input.TrainingParameters,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.AlgorithmArn !== undefined && {
+      AlgorithmArn: input.AlgorithmArn
+    }),
+    ...(input.EncryptionConfig !== undefined && {
+      EncryptionConfig: serializeAws_json1_1EncryptionConfig(
+        input.EncryptionConfig,
+        context
+      )
+    }),
+    ...(input.EvaluationParameters !== undefined && {
+      EvaluationParameters: serializeAws_json1_1EvaluationParameters(
+        input.EvaluationParameters,
+        context
+      )
+    }),
+    ...(input.FeaturizationConfig !== undefined && {
+      FeaturizationConfig: serializeAws_json1_1FeaturizationConfig(
+        input.FeaturizationConfig,
+        context
+      )
+    }),
+    ...(input.ForecastHorizon !== undefined && {
+      ForecastHorizon: input.ForecastHorizon
+    }),
+    ...(input.HPOConfig !== undefined && {
+      HPOConfig: serializeAws_json1_1HyperParameterTuningJobConfig(
+        input.HPOConfig,
+        context
+      )
+    }),
+    ...(input.InputDataConfig !== undefined && {
+      InputDataConfig: serializeAws_json1_1InputDataConfig(
+        input.InputDataConfig,
+        context
+      )
+    }),
+    ...(input.PerformAutoML !== undefined && {
+      PerformAutoML: input.PerformAutoML
+    }),
+    ...(input.PerformHPO !== undefined && { PerformHPO: input.PerformHPO }),
+    ...(input.PredictorName !== undefined && {
+      PredictorName: input.PredictorName
+    }),
+    ...(input.TrainingParameters !== undefined && {
+      TrainingParameters: serializeAws_json1_1TrainingParameters(
+        input.TrainingParameters,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1DataDestination = (
   input: DataDestination,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.S3Config !== undefined) {
-    bodyParams["S3Config"] = serializeAws_json1_1S3Config(
-      input.S3Config,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.S3Config !== undefined && {
+      S3Config: serializeAws_json1_1S3Config(input.S3Config, context)
+    })
+  };
 };
 
 const serializeAws_json1_1DataSource = (
   input: DataSource,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.S3Config !== undefined) {
-    bodyParams["S3Config"] = serializeAws_json1_1S3Config(
-      input.S3Config,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.S3Config !== undefined && {
+      S3Config: serializeAws_json1_1S3Config(input.S3Config, context)
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteDatasetGroupRequest = (
   input: DeleteDatasetGroupRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DatasetGroupArn !== undefined) {
-    bodyParams["DatasetGroupArn"] = input.DatasetGroupArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.DatasetGroupArn !== undefined && {
+      DatasetGroupArn: input.DatasetGroupArn
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteDatasetImportJobRequest = (
   input: DeleteDatasetImportJobRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DatasetImportJobArn !== undefined) {
-    bodyParams["DatasetImportJobArn"] = input.DatasetImportJobArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.DatasetImportJobArn !== undefined && {
+      DatasetImportJobArn: input.DatasetImportJobArn
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteDatasetRequest = (
   input: DeleteDatasetRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DatasetArn !== undefined) {
-    bodyParams["DatasetArn"] = input.DatasetArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.DatasetArn !== undefined && { DatasetArn: input.DatasetArn })
+  };
 };
 
 const serializeAws_json1_1DeleteForecastExportJobRequest = (
   input: DeleteForecastExportJobRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ForecastExportJobArn !== undefined) {
-    bodyParams["ForecastExportJobArn"] = input.ForecastExportJobArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.ForecastExportJobArn !== undefined && {
+      ForecastExportJobArn: input.ForecastExportJobArn
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteForecastRequest = (
   input: DeleteForecastRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ForecastArn !== undefined) {
-    bodyParams["ForecastArn"] = input.ForecastArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.ForecastArn !== undefined && { ForecastArn: input.ForecastArn })
+  };
 };
 
 const serializeAws_json1_1DeletePredictorRequest = (
   input: DeletePredictorRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.PredictorArn !== undefined) {
-    bodyParams["PredictorArn"] = input.PredictorArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.PredictorArn !== undefined && {
+      PredictorArn: input.PredictorArn
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeDatasetGroupRequest = (
   input: DescribeDatasetGroupRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DatasetGroupArn !== undefined) {
-    bodyParams["DatasetGroupArn"] = input.DatasetGroupArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.DatasetGroupArn !== undefined && {
+      DatasetGroupArn: input.DatasetGroupArn
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeDatasetImportJobRequest = (
   input: DescribeDatasetImportJobRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DatasetImportJobArn !== undefined) {
-    bodyParams["DatasetImportJobArn"] = input.DatasetImportJobArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.DatasetImportJobArn !== undefined && {
+      DatasetImportJobArn: input.DatasetImportJobArn
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeDatasetRequest = (
   input: DescribeDatasetRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DatasetArn !== undefined) {
-    bodyParams["DatasetArn"] = input.DatasetArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.DatasetArn !== undefined && { DatasetArn: input.DatasetArn })
+  };
 };
 
 const serializeAws_json1_1DescribeForecastExportJobRequest = (
   input: DescribeForecastExportJobRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ForecastExportJobArn !== undefined) {
-    bodyParams["ForecastExportJobArn"] = input.ForecastExportJobArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.ForecastExportJobArn !== undefined && {
+      ForecastExportJobArn: input.ForecastExportJobArn
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeForecastRequest = (
   input: DescribeForecastRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ForecastArn !== undefined) {
-    bodyParams["ForecastArn"] = input.ForecastArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.ForecastArn !== undefined && { ForecastArn: input.ForecastArn })
+  };
 };
 
 const serializeAws_json1_1DescribePredictorRequest = (
   input: DescribePredictorRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.PredictorArn !== undefined) {
-    bodyParams["PredictorArn"] = input.PredictorArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.PredictorArn !== undefined && {
+      PredictorArn: input.PredictorArn
+    })
+  };
 };
 
 const serializeAws_json1_1EncryptionConfig = (
   input: EncryptionConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.KMSKeyArn !== undefined) {
-    bodyParams["KMSKeyArn"] = input.KMSKeyArn;
-  }
-  if (input.RoleArn !== undefined) {
-    bodyParams["RoleArn"] = input.RoleArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.KMSKeyArn !== undefined && { KMSKeyArn: input.KMSKeyArn }),
+    ...(input.RoleArn !== undefined && { RoleArn: input.RoleArn })
+  };
 };
 
 const serializeAws_json1_1EvaluationParameters = (
   input: EvaluationParameters,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.BackTestWindowOffset !== undefined) {
-    bodyParams["BackTestWindowOffset"] = input.BackTestWindowOffset;
-  }
-  if (input.NumberOfBacktestWindows !== undefined) {
-    bodyParams["NumberOfBacktestWindows"] = input.NumberOfBacktestWindows;
-  }
-  return bodyParams;
+  return {
+    ...(input.BackTestWindowOffset !== undefined && {
+      BackTestWindowOffset: input.BackTestWindowOffset
+    }),
+    ...(input.NumberOfBacktestWindows !== undefined && {
+      NumberOfBacktestWindows: input.NumberOfBacktestWindows
+    })
+  };
 };
 
 const serializeAws_json1_1Featurization = (
   input: Featurization,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AttributeName !== undefined) {
-    bodyParams["AttributeName"] = input.AttributeName;
-  }
-  if (input.FeaturizationPipeline !== undefined) {
-    bodyParams[
-      "FeaturizationPipeline"
-    ] = serializeAws_json1_1FeaturizationPipeline(
-      input.FeaturizationPipeline,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.AttributeName !== undefined && {
+      AttributeName: input.AttributeName
+    }),
+    ...(input.FeaturizationPipeline !== undefined && {
+      FeaturizationPipeline: serializeAws_json1_1FeaturizationPipeline(
+        input.FeaturizationPipeline,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1FeaturizationConfig = (
   input: FeaturizationConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Featurizations !== undefined) {
-    bodyParams["Featurizations"] = serializeAws_json1_1Featurizations(
-      input.Featurizations,
-      context
-    );
-  }
-  if (input.ForecastDimensions !== undefined) {
-    bodyParams["ForecastDimensions"] = serializeAws_json1_1ForecastDimensions(
-      input.ForecastDimensions,
-      context
-    );
-  }
-  if (input.ForecastFrequency !== undefined) {
-    bodyParams["ForecastFrequency"] = input.ForecastFrequency;
-  }
-  return bodyParams;
+  return {
+    ...(input.Featurizations !== undefined && {
+      Featurizations: serializeAws_json1_1Featurizations(
+        input.Featurizations,
+        context
+      )
+    }),
+    ...(input.ForecastDimensions !== undefined && {
+      ForecastDimensions: serializeAws_json1_1ForecastDimensions(
+        input.ForecastDimensions,
+        context
+      )
+    }),
+    ...(input.ForecastFrequency !== undefined && {
+      ForecastFrequency: input.ForecastFrequency
+    })
+  };
 };
 
 const serializeAws_json1_1FeaturizationMethod = (
   input: FeaturizationMethod,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.FeaturizationMethodName !== undefined) {
-    bodyParams["FeaturizationMethodName"] = input.FeaturizationMethodName;
-  }
-  if (input.FeaturizationMethodParameters !== undefined) {
-    bodyParams[
-      "FeaturizationMethodParameters"
-    ] = serializeAws_json1_1FeaturizationMethodParameters(
-      input.FeaturizationMethodParameters,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.FeaturizationMethodName !== undefined && {
+      FeaturizationMethodName: input.FeaturizationMethodName
+    }),
+    ...(input.FeaturizationMethodParameters !== undefined && {
+      FeaturizationMethodParameters: serializeAws_json1_1FeaturizationMethodParameters(
+        input.FeaturizationMethodParameters,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1FeaturizationMethodParameters = (
@@ -3328,17 +3274,11 @@ const serializeAws_json1_1Filter = (
   input: Filter,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Condition !== undefined) {
-    bodyParams["Condition"] = input.Condition;
-  }
-  if (input.Key !== undefined) {
-    bodyParams["Key"] = input.Key;
-  }
-  if (input.Value !== undefined) {
-    bodyParams["Value"] = input.Value;
-  }
-  return bodyParams;
+  return {
+    ...(input.Condition !== undefined && { Condition: input.Condition }),
+    ...(input.Key !== undefined && { Key: input.Key }),
+    ...(input.Value !== undefined && { Value: input.Value })
+  };
 };
 
 const serializeAws_json1_1Filters = (
@@ -3366,64 +3306,54 @@ const serializeAws_json1_1GetAccuracyMetricsRequest = (
   input: GetAccuracyMetricsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.PredictorArn !== undefined) {
-    bodyParams["PredictorArn"] = input.PredictorArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.PredictorArn !== undefined && {
+      PredictorArn: input.PredictorArn
+    })
+  };
 };
 
 const serializeAws_json1_1HyperParameterTuningJobConfig = (
   input: HyperParameterTuningJobConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ParameterRanges !== undefined) {
-    bodyParams["ParameterRanges"] = serializeAws_json1_1ParameterRanges(
-      input.ParameterRanges,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ParameterRanges !== undefined && {
+      ParameterRanges: serializeAws_json1_1ParameterRanges(
+        input.ParameterRanges,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1InputDataConfig = (
   input: InputDataConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DatasetGroupArn !== undefined) {
-    bodyParams["DatasetGroupArn"] = input.DatasetGroupArn;
-  }
-  if (input.SupplementaryFeatures !== undefined) {
-    bodyParams[
-      "SupplementaryFeatures"
-    ] = serializeAws_json1_1SupplementaryFeatures(
-      input.SupplementaryFeatures,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.DatasetGroupArn !== undefined && {
+      DatasetGroupArn: input.DatasetGroupArn
+    }),
+    ...(input.SupplementaryFeatures !== undefined && {
+      SupplementaryFeatures: serializeAws_json1_1SupplementaryFeatures(
+        input.SupplementaryFeatures,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1IntegerParameterRange = (
   input: IntegerParameterRange,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxValue !== undefined) {
-    bodyParams["MaxValue"] = input.MaxValue;
-  }
-  if (input.MinValue !== undefined) {
-    bodyParams["MinValue"] = input.MinValue;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.ScalingType !== undefined) {
-    bodyParams["ScalingType"] = input.ScalingType;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxValue !== undefined && { MaxValue: input.MaxValue }),
+    ...(input.MinValue !== undefined && { MinValue: input.MinValue }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.ScalingType !== undefined && { ScalingType: input.ScalingType })
+  };
 };
 
 const serializeAws_json1_1IntegerParameterRanges = (
@@ -3439,173 +3369,137 @@ const serializeAws_json1_1ListDatasetGroupsRequest = (
   input: ListDatasetGroupsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1ListDatasetImportJobsRequest = (
   input: ListDatasetImportJobsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Filters !== undefined) {
-    bodyParams["Filters"] = serializeAws_json1_1Filters(input.Filters, context);
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.Filters !== undefined && {
+      Filters: serializeAws_json1_1Filters(input.Filters, context)
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1ListDatasetsRequest = (
   input: ListDatasetsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1ListForecastExportJobsRequest = (
   input: ListForecastExportJobsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Filters !== undefined) {
-    bodyParams["Filters"] = serializeAws_json1_1Filters(input.Filters, context);
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.Filters !== undefined && {
+      Filters: serializeAws_json1_1Filters(input.Filters, context)
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1ListForecastsRequest = (
   input: ListForecastsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Filters !== undefined) {
-    bodyParams["Filters"] = serializeAws_json1_1Filters(input.Filters, context);
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.Filters !== undefined && {
+      Filters: serializeAws_json1_1Filters(input.Filters, context)
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1ListPredictorsRequest = (
   input: ListPredictorsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Filters !== undefined) {
-    bodyParams["Filters"] = serializeAws_json1_1Filters(input.Filters, context);
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.Filters !== undefined && {
+      Filters: serializeAws_json1_1Filters(input.Filters, context)
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1ParameterRanges = (
   input: ParameterRanges,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CategoricalParameterRanges !== undefined) {
-    bodyParams[
-      "CategoricalParameterRanges"
-    ] = serializeAws_json1_1CategoricalParameterRanges(
-      input.CategoricalParameterRanges,
-      context
-    );
-  }
-  if (input.ContinuousParameterRanges !== undefined) {
-    bodyParams[
-      "ContinuousParameterRanges"
-    ] = serializeAws_json1_1ContinuousParameterRanges(
-      input.ContinuousParameterRanges,
-      context
-    );
-  }
-  if (input.IntegerParameterRanges !== undefined) {
-    bodyParams[
-      "IntegerParameterRanges"
-    ] = serializeAws_json1_1IntegerParameterRanges(
-      input.IntegerParameterRanges,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.CategoricalParameterRanges !== undefined && {
+      CategoricalParameterRanges: serializeAws_json1_1CategoricalParameterRanges(
+        input.CategoricalParameterRanges,
+        context
+      )
+    }),
+    ...(input.ContinuousParameterRanges !== undefined && {
+      ContinuousParameterRanges: serializeAws_json1_1ContinuousParameterRanges(
+        input.ContinuousParameterRanges,
+        context
+      )
+    }),
+    ...(input.IntegerParameterRanges !== undefined && {
+      IntegerParameterRanges: serializeAws_json1_1IntegerParameterRanges(
+        input.IntegerParameterRanges,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1S3Config = (
   input: S3Config,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.KMSKeyArn !== undefined) {
-    bodyParams["KMSKeyArn"] = input.KMSKeyArn;
-  }
-  if (input.Path !== undefined) {
-    bodyParams["Path"] = input.Path;
-  }
-  if (input.RoleArn !== undefined) {
-    bodyParams["RoleArn"] = input.RoleArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.KMSKeyArn !== undefined && { KMSKeyArn: input.KMSKeyArn }),
+    ...(input.Path !== undefined && { Path: input.Path }),
+    ...(input.RoleArn !== undefined && { RoleArn: input.RoleArn })
+  };
 };
 
 const serializeAws_json1_1Schema = (
   input: Schema,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Attributes !== undefined) {
-    bodyParams["Attributes"] = serializeAws_json1_1SchemaAttributes(
-      input.Attributes,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Attributes !== undefined && {
+      Attributes: serializeAws_json1_1SchemaAttributes(
+        input.Attributes,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1SchemaAttribute = (
   input: SchemaAttribute,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AttributeName !== undefined) {
-    bodyParams["AttributeName"] = input.AttributeName;
-  }
-  if (input.AttributeType !== undefined) {
-    bodyParams["AttributeType"] = input.AttributeType;
-  }
-  return bodyParams;
+  return {
+    ...(input.AttributeName !== undefined && {
+      AttributeName: input.AttributeName
+    }),
+    ...(input.AttributeType !== undefined && {
+      AttributeType: input.AttributeType
+    })
+  };
 };
 
 const serializeAws_json1_1SchemaAttributes = (
@@ -3621,14 +3515,10 @@ const serializeAws_json1_1SupplementaryFeature = (
   input: SupplementaryFeature,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.Value !== undefined) {
-    bodyParams["Value"] = input.Value;
-  }
-  return bodyParams;
+  return {
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.Value !== undefined && { Value: input.Value })
+  };
 };
 
 const serializeAws_json1_1SupplementaryFeatures = (
@@ -3654,17 +3544,14 @@ const serializeAws_json1_1UpdateDatasetGroupRequest = (
   input: UpdateDatasetGroupRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DatasetArns !== undefined) {
-    bodyParams["DatasetArns"] = serializeAws_json1_1ArnList(
-      input.DatasetArns,
-      context
-    );
-  }
-  if (input.DatasetGroupArn !== undefined) {
-    bodyParams["DatasetGroupArn"] = input.DatasetGroupArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.DatasetArns !== undefined && {
+      DatasetArns: serializeAws_json1_1ArnList(input.DatasetArns, context)
+    }),
+    ...(input.DatasetGroupArn !== undefined && {
+      DatasetGroupArn: input.DatasetGroupArn
+    })
+  };
 };
 
 const serializeAws_json1_1Values = (
diff --git a/clients/client-forecastquery/protocols/Aws_json1_1.ts b/clients/client-forecastquery/protocols/Aws_json1_1.ts
index 39b31bbd0029..3792531e75cb 100644
--- a/clients/client-forecastquery/protocols/Aws_json1_1.ts
+++ b/clients/client-forecastquery/protocols/Aws_json1_1.ts
@@ -249,23 +249,15 @@ const serializeAws_json1_1QueryForecastRequest = (
   input: QueryForecastRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EndDate !== undefined) {
-    bodyParams["EndDate"] = input.EndDate;
-  }
-  if (input.Filters !== undefined) {
-    bodyParams["Filters"] = serializeAws_json1_1Filters(input.Filters, context);
-  }
-  if (input.ForecastArn !== undefined) {
-    bodyParams["ForecastArn"] = input.ForecastArn;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.StartDate !== undefined) {
-    bodyParams["StartDate"] = input.StartDate;
-  }
-  return bodyParams;
+  return {
+    ...(input.EndDate !== undefined && { EndDate: input.EndDate }),
+    ...(input.Filters !== undefined && {
+      Filters: serializeAws_json1_1Filters(input.Filters, context)
+    }),
+    ...(input.ForecastArn !== undefined && { ForecastArn: input.ForecastArn }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.StartDate !== undefined && { StartDate: input.StartDate })
+  };
 };
 
 const deserializeAws_json1_1DataPoint = (
diff --git a/clients/client-frauddetector/protocols/Aws_json1_1.ts b/clients/client-frauddetector/protocols/Aws_json1_1.ts
index e674a0851118..1ca9dd1b52c2 100644
--- a/clients/client-frauddetector/protocols/Aws_json1_1.ts
+++ b/clients/client-frauddetector/protocols/Aws_json1_1.ts
@@ -3425,126 +3425,98 @@ const serializeAws_json1_1BatchCreateVariableRequest = (
   input: BatchCreateVariableRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.variableEntries !== undefined) {
-    bodyParams["variableEntries"] = serializeAws_json1_1VariableEntryList(
-      input.variableEntries,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.variableEntries !== undefined && {
+      variableEntries: serializeAws_json1_1VariableEntryList(
+        input.variableEntries,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1BatchGetVariableRequest = (
   input: BatchGetVariableRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.names !== undefined) {
-    bodyParams["names"] = serializeAws_json1_1NameList(input.names, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.names !== undefined && {
+      names: serializeAws_json1_1NameList(input.names, context)
+    })
+  };
 };
 
 const serializeAws_json1_1CreateDetectorVersionRequest = (
   input: CreateDetectorVersionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.description !== undefined) {
-    bodyParams["description"] = input.description;
-  }
-  if (input.detectorId !== undefined) {
-    bodyParams["detectorId"] = input.detectorId;
-  }
-  if (input.externalModelEndpoints !== undefined) {
-    bodyParams["externalModelEndpoints"] = serializeAws_json1_1ListOfStrings(
-      input.externalModelEndpoints,
-      context
-    );
-  }
-  if (input.modelVersions !== undefined) {
-    bodyParams["modelVersions"] = serializeAws_json1_1ListOfModelVersions(
-      input.modelVersions,
-      context
-    );
-  }
-  if (input.rules !== undefined) {
-    bodyParams["rules"] = serializeAws_json1_1RuleList(input.rules, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.description !== undefined && { description: input.description }),
+    ...(input.detectorId !== undefined && { detectorId: input.detectorId }),
+    ...(input.externalModelEndpoints !== undefined && {
+      externalModelEndpoints: serializeAws_json1_1ListOfStrings(
+        input.externalModelEndpoints,
+        context
+      )
+    }),
+    ...(input.modelVersions !== undefined && {
+      modelVersions: serializeAws_json1_1ListOfModelVersions(
+        input.modelVersions,
+        context
+      )
+    }),
+    ...(input.rules !== undefined && {
+      rules: serializeAws_json1_1RuleList(input.rules, context)
+    })
+  };
 };
 
 const serializeAws_json1_1CreateModelVersionRequest = (
   input: CreateModelVersionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.description !== undefined) {
-    bodyParams["description"] = input.description;
-  }
-  if (input.modelId !== undefined) {
-    bodyParams["modelId"] = input.modelId;
-  }
-  if (input.modelType !== undefined) {
-    bodyParams["modelType"] = input.modelType;
-  }
-  return bodyParams;
+  return {
+    ...(input.description !== undefined && { description: input.description }),
+    ...(input.modelId !== undefined && { modelId: input.modelId }),
+    ...(input.modelType !== undefined && { modelType: input.modelType })
+  };
 };
 
 const serializeAws_json1_1CreateRuleRequest = (
   input: CreateRuleRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.description !== undefined) {
-    bodyParams["description"] = input.description;
-  }
-  if (input.detectorId !== undefined) {
-    bodyParams["detectorId"] = input.detectorId;
-  }
-  if (input.expression !== undefined) {
-    bodyParams["expression"] = input.expression;
-  }
-  if (input.language !== undefined) {
-    bodyParams["language"] = input.language;
-  }
-  if (input.outcomes !== undefined) {
-    bodyParams["outcomes"] = serializeAws_json1_1NonEmptyListOfStrings(
-      input.outcomes,
-      context
-    );
-  }
-  if (input.ruleId !== undefined) {
-    bodyParams["ruleId"] = input.ruleId;
-  }
-  return bodyParams;
+  return {
+    ...(input.description !== undefined && { description: input.description }),
+    ...(input.detectorId !== undefined && { detectorId: input.detectorId }),
+    ...(input.expression !== undefined && { expression: input.expression }),
+    ...(input.language !== undefined && { language: input.language }),
+    ...(input.outcomes !== undefined && {
+      outcomes: serializeAws_json1_1NonEmptyListOfStrings(
+        input.outcomes,
+        context
+      )
+    }),
+    ...(input.ruleId !== undefined && { ruleId: input.ruleId })
+  };
 };
 
 const serializeAws_json1_1CreateVariableRequest = (
   input: CreateVariableRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.dataSource !== undefined) {
-    bodyParams["dataSource"] = input.dataSource;
-  }
-  if (input.dataType !== undefined) {
-    bodyParams["dataType"] = input.dataType;
-  }
-  if (input.defaultValue !== undefined) {
-    bodyParams["defaultValue"] = input.defaultValue;
-  }
-  if (input.description !== undefined) {
-    bodyParams["description"] = input.description;
-  }
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  if (input.variableType !== undefined) {
-    bodyParams["variableType"] = input.variableType;
-  }
-  return bodyParams;
+  return {
+    ...(input.dataSource !== undefined && { dataSource: input.dataSource }),
+    ...(input.dataType !== undefined && { dataType: input.dataType }),
+    ...(input.defaultValue !== undefined && {
+      defaultValue: input.defaultValue
+    }),
+    ...(input.description !== undefined && { description: input.description }),
+    ...(input.name !== undefined && { name: input.name }),
+    ...(input.variableType !== undefined && {
+      variableType: input.variableType
+    })
+  };
 };
 
 const serializeAws_json1_1CsvIndexToVariableMap = (
@@ -3561,65 +3533,47 @@ const serializeAws_json1_1DeleteDetectorVersionRequest = (
   input: DeleteDetectorVersionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.detectorId !== undefined) {
-    bodyParams["detectorId"] = input.detectorId;
-  }
-  if (input.detectorVersionId !== undefined) {
-    bodyParams["detectorVersionId"] = input.detectorVersionId;
-  }
-  return bodyParams;
+  return {
+    ...(input.detectorId !== undefined && { detectorId: input.detectorId }),
+    ...(input.detectorVersionId !== undefined && {
+      detectorVersionId: input.detectorVersionId
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteEventRequest = (
   input: DeleteEventRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.eventId !== undefined) {
-    bodyParams["eventId"] = input.eventId;
-  }
-  return bodyParams;
+  return {
+    ...(input.eventId !== undefined && { eventId: input.eventId })
+  };
 };
 
 const serializeAws_json1_1DescribeDetectorRequest = (
   input: DescribeDetectorRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.detectorId !== undefined) {
-    bodyParams["detectorId"] = input.detectorId;
-  }
-  if (input.maxResults !== undefined) {
-    bodyParams["maxResults"] = input.maxResults;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.detectorId !== undefined && { detectorId: input.detectorId }),
+    ...(input.maxResults !== undefined && { maxResults: input.maxResults }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken })
+  };
 };
 
 const serializeAws_json1_1DescribeModelVersionsRequest = (
   input: DescribeModelVersionsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.maxResults !== undefined) {
-    bodyParams["maxResults"] = input.maxResults;
-  }
-  if (input.modelId !== undefined) {
-    bodyParams["modelId"] = input.modelId;
-  }
-  if (input.modelType !== undefined) {
-    bodyParams["modelType"] = input.modelType;
-  }
-  if (input.modelVersionNumber !== undefined) {
-    bodyParams["modelVersionNumber"] = input.modelVersionNumber;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.maxResults !== undefined && { maxResults: input.maxResults }),
+    ...(input.modelId !== undefined && { modelId: input.modelId }),
+    ...(input.modelType !== undefined && { modelType: input.modelType }),
+    ...(input.modelVersionNumber !== undefined && {
+      modelVersionNumber: input.modelVersionNumber
+    }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken })
+  };
 };
 
 const serializeAws_json1_1EventAttributeMap = (
@@ -3646,173 +3600,121 @@ const serializeAws_json1_1GetDetectorVersionRequest = (
   input: GetDetectorVersionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.detectorId !== undefined) {
-    bodyParams["detectorId"] = input.detectorId;
-  }
-  if (input.detectorVersionId !== undefined) {
-    bodyParams["detectorVersionId"] = input.detectorVersionId;
-  }
-  return bodyParams;
+  return {
+    ...(input.detectorId !== undefined && { detectorId: input.detectorId }),
+    ...(input.detectorVersionId !== undefined && {
+      detectorVersionId: input.detectorVersionId
+    })
+  };
 };
 
 const serializeAws_json1_1GetDetectorsRequest = (
   input: GetDetectorsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.detectorId !== undefined) {
-    bodyParams["detectorId"] = input.detectorId;
-  }
-  if (input.maxResults !== undefined) {
-    bodyParams["maxResults"] = input.maxResults;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.detectorId !== undefined && { detectorId: input.detectorId }),
+    ...(input.maxResults !== undefined && { maxResults: input.maxResults }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken })
+  };
 };
 
 const serializeAws_json1_1GetExternalModelsRequest = (
   input: GetExternalModelsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.maxResults !== undefined) {
-    bodyParams["maxResults"] = input.maxResults;
-  }
-  if (input.modelEndpoint !== undefined) {
-    bodyParams["modelEndpoint"] = input.modelEndpoint;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.maxResults !== undefined && { maxResults: input.maxResults }),
+    ...(input.modelEndpoint !== undefined && {
+      modelEndpoint: input.modelEndpoint
+    }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken })
+  };
 };
 
 const serializeAws_json1_1GetModelVersionRequest = (
   input: GetModelVersionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.modelId !== undefined) {
-    bodyParams["modelId"] = input.modelId;
-  }
-  if (input.modelType !== undefined) {
-    bodyParams["modelType"] = input.modelType;
-  }
-  if (input.modelVersionNumber !== undefined) {
-    bodyParams["modelVersionNumber"] = input.modelVersionNumber;
-  }
-  return bodyParams;
+  return {
+    ...(input.modelId !== undefined && { modelId: input.modelId }),
+    ...(input.modelType !== undefined && { modelType: input.modelType }),
+    ...(input.modelVersionNumber !== undefined && {
+      modelVersionNumber: input.modelVersionNumber
+    })
+  };
 };
 
 const serializeAws_json1_1GetModelsRequest = (
   input: GetModelsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.maxResults !== undefined) {
-    bodyParams["maxResults"] = input.maxResults;
-  }
-  if (input.modelId !== undefined) {
-    bodyParams["modelId"] = input.modelId;
-  }
-  if (input.modelType !== undefined) {
-    bodyParams["modelType"] = input.modelType;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.maxResults !== undefined && { maxResults: input.maxResults }),
+    ...(input.modelId !== undefined && { modelId: input.modelId }),
+    ...(input.modelType !== undefined && { modelType: input.modelType }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken })
+  };
 };
 
 const serializeAws_json1_1GetOutcomesRequest = (
   input: GetOutcomesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.maxResults !== undefined) {
-    bodyParams["maxResults"] = input.maxResults;
-  }
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.maxResults !== undefined && { maxResults: input.maxResults }),
+    ...(input.name !== undefined && { name: input.name }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken })
+  };
 };
 
 const serializeAws_json1_1GetPredictionRequest = (
   input: GetPredictionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.detectorId !== undefined) {
-    bodyParams["detectorId"] = input.detectorId;
-  }
-  if (input.detectorVersionId !== undefined) {
-    bodyParams["detectorVersionId"] = input.detectorVersionId;
-  }
-  if (input.eventAttributes !== undefined) {
-    bodyParams["eventAttributes"] = serializeAws_json1_1EventAttributeMap(
-      input.eventAttributes,
-      context
-    );
-  }
-  if (input.eventId !== undefined) {
-    bodyParams["eventId"] = input.eventId;
-  }
-  if (input.externalModelEndpointDataBlobs !== undefined) {
-    bodyParams[
-      "externalModelEndpointDataBlobs"
-    ] = serializeAws_json1_1ExternalModelEndpointDataBlobMap(
-      input.externalModelEndpointDataBlobs,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.detectorId !== undefined && { detectorId: input.detectorId }),
+    ...(input.detectorVersionId !== undefined && {
+      detectorVersionId: input.detectorVersionId
+    }),
+    ...(input.eventAttributes !== undefined && {
+      eventAttributes: serializeAws_json1_1EventAttributeMap(
+        input.eventAttributes,
+        context
+      )
+    }),
+    ...(input.eventId !== undefined && { eventId: input.eventId }),
+    ...(input.externalModelEndpointDataBlobs !== undefined && {
+      externalModelEndpointDataBlobs: serializeAws_json1_1ExternalModelEndpointDataBlobMap(
+        input.externalModelEndpointDataBlobs,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1GetRulesRequest = (
   input: GetRulesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.detectorId !== undefined) {
-    bodyParams["detectorId"] = input.detectorId;
-  }
-  if (input.maxResults !== undefined) {
-    bodyParams["maxResults"] = input.maxResults;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  if (input.ruleId !== undefined) {
-    bodyParams["ruleId"] = input.ruleId;
-  }
-  if (input.ruleVersion !== undefined) {
-    bodyParams["ruleVersion"] = input.ruleVersion;
-  }
-  return bodyParams;
+  return {
+    ...(input.detectorId !== undefined && { detectorId: input.detectorId }),
+    ...(input.maxResults !== undefined && { maxResults: input.maxResults }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken }),
+    ...(input.ruleId !== undefined && { ruleId: input.ruleId }),
+    ...(input.ruleVersion !== undefined && { ruleVersion: input.ruleVersion })
+  };
 };
 
 const serializeAws_json1_1GetVariablesRequest = (
   input: GetVariablesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.maxResults !== undefined) {
-    bodyParams["maxResults"] = input.maxResults;
-  }
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.maxResults !== undefined && { maxResults: input.maxResults }),
+    ...(input.name !== undefined && { name: input.name }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken })
+  };
 };
 
 const serializeAws_json1_1JsonKeyToVariableMap = (
@@ -3839,17 +3741,12 @@ const serializeAws_json1_1LabelSchema = (
   input: LabelSchema,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.labelKey !== undefined) {
-    bodyParams["labelKey"] = input.labelKey;
-  }
-  if (input.labelMapper !== undefined) {
-    bodyParams["labelMapper"] = serializeAws_json1_1LabelMapper(
-      input.labelMapper,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.labelKey !== undefined && { labelKey: input.labelKey }),
+    ...(input.labelMapper !== undefined && {
+      labelMapper: serializeAws_json1_1LabelMapper(input.labelMapper, context)
+    })
+  };
 };
 
 const serializeAws_json1_1ListOfModelVersions = (
@@ -3870,75 +3767,59 @@ const serializeAws_json1_1ModelEndpointDataBlob = (
   input: ModelEndpointDataBlob,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.byteBuffer !== undefined) {
-    bodyParams["byteBuffer"] = context.base64Encoder(input.byteBuffer);
-  }
-  if (input.contentType !== undefined) {
-    bodyParams["contentType"] = input.contentType;
-  }
-  return bodyParams;
+  return {
+    ...(input.byteBuffer !== undefined && {
+      byteBuffer: context.base64Encoder(input.byteBuffer)
+    }),
+    ...(input.contentType !== undefined && { contentType: input.contentType })
+  };
 };
 
 const serializeAws_json1_1ModelInputConfiguration = (
   input: ModelInputConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.csvInputTemplate !== undefined) {
-    bodyParams["csvInputTemplate"] = input.csvInputTemplate;
-  }
-  if (input.format !== undefined) {
-    bodyParams["format"] = input.format;
-  }
-  if (input.isOpaque !== undefined) {
-    bodyParams["isOpaque"] = input.isOpaque;
-  }
-  if (input.jsonInputTemplate !== undefined) {
-    bodyParams["jsonInputTemplate"] = input.jsonInputTemplate;
-  }
-  return bodyParams;
+  return {
+    ...(input.csvInputTemplate !== undefined && {
+      csvInputTemplate: input.csvInputTemplate
+    }),
+    ...(input.format !== undefined && { format: input.format }),
+    ...(input.isOpaque !== undefined && { isOpaque: input.isOpaque }),
+    ...(input.jsonInputTemplate !== undefined && {
+      jsonInputTemplate: input.jsonInputTemplate
+    })
+  };
 };
 
 const serializeAws_json1_1ModelOutputConfiguration = (
   input: ModelOutputConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.csvIndexToVariableMap !== undefined) {
-    bodyParams[
-      "csvIndexToVariableMap"
-    ] = serializeAws_json1_1CsvIndexToVariableMap(
-      input.csvIndexToVariableMap,
-      context
-    );
-  }
-  if (input.format !== undefined) {
-    bodyParams["format"] = input.format;
-  }
-  if (input.jsonKeyToVariableMap !== undefined) {
-    bodyParams[
-      "jsonKeyToVariableMap"
-    ] = serializeAws_json1_1JsonKeyToVariableMap(
-      input.jsonKeyToVariableMap,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.csvIndexToVariableMap !== undefined && {
+      csvIndexToVariableMap: serializeAws_json1_1CsvIndexToVariableMap(
+        input.csvIndexToVariableMap,
+        context
+      )
+    }),
+    ...(input.format !== undefined && { format: input.format }),
+    ...(input.jsonKeyToVariableMap !== undefined && {
+      jsonKeyToVariableMap: serializeAws_json1_1JsonKeyToVariableMap(
+        input.jsonKeyToVariableMap,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1ModelVariable = (
   input: ModelVariable,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.index !== undefined) {
-    bodyParams["index"] = input.index;
-  }
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  return bodyParams;
+  return {
+    ...(input.index !== undefined && { index: input.index }),
+    ...(input.name !== undefined && { name: input.name })
+  };
 };
 
 const serializeAws_json1_1ModelVariablesList = (
@@ -3952,17 +3833,13 @@ const serializeAws_json1_1ModelVersion = (
   input: ModelVersion,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.modelId !== undefined) {
-    bodyParams["modelId"] = input.modelId;
-  }
-  if (input.modelType !== undefined) {
-    bodyParams["modelType"] = input.modelType;
-  }
-  if (input.modelVersionNumber !== undefined) {
-    bodyParams["modelVersionNumber"] = input.modelVersionNumber;
-  }
-  return bodyParams;
+  return {
+    ...(input.modelId !== undefined && { modelId: input.modelId }),
+    ...(input.modelType !== undefined && { modelType: input.modelType }),
+    ...(input.modelVersionNumber !== undefined && {
+      modelVersionNumber: input.modelVersionNumber
+    })
+  };
 };
 
 const serializeAws_json1_1NameList = (
@@ -3983,130 +3860,97 @@ const serializeAws_json1_1PutDetectorRequest = (
   input: PutDetectorRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.description !== undefined) {
-    bodyParams["description"] = input.description;
-  }
-  if (input.detectorId !== undefined) {
-    bodyParams["detectorId"] = input.detectorId;
-  }
-  return bodyParams;
+  return {
+    ...(input.description !== undefined && { description: input.description }),
+    ...(input.detectorId !== undefined && { detectorId: input.detectorId })
+  };
 };
 
 const serializeAws_json1_1PutExternalModelRequest = (
   input: PutExternalModelRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.inputConfiguration !== undefined) {
-    bodyParams[
-      "inputConfiguration"
-    ] = serializeAws_json1_1ModelInputConfiguration(
-      input.inputConfiguration,
-      context
-    );
-  }
-  if (input.modelEndpoint !== undefined) {
-    bodyParams["modelEndpoint"] = input.modelEndpoint;
-  }
-  if (input.modelEndpointStatus !== undefined) {
-    bodyParams["modelEndpointStatus"] = input.modelEndpointStatus;
-  }
-  if (input.modelSource !== undefined) {
-    bodyParams["modelSource"] = input.modelSource;
-  }
-  if (input.outputConfiguration !== undefined) {
-    bodyParams[
-      "outputConfiguration"
-    ] = serializeAws_json1_1ModelOutputConfiguration(
-      input.outputConfiguration,
-      context
-    );
-  }
-  if (input.role !== undefined) {
-    bodyParams["role"] = serializeAws_json1_1Role(input.role, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.inputConfiguration !== undefined && {
+      inputConfiguration: serializeAws_json1_1ModelInputConfiguration(
+        input.inputConfiguration,
+        context
+      )
+    }),
+    ...(input.modelEndpoint !== undefined && {
+      modelEndpoint: input.modelEndpoint
+    }),
+    ...(input.modelEndpointStatus !== undefined && {
+      modelEndpointStatus: input.modelEndpointStatus
+    }),
+    ...(input.modelSource !== undefined && { modelSource: input.modelSource }),
+    ...(input.outputConfiguration !== undefined && {
+      outputConfiguration: serializeAws_json1_1ModelOutputConfiguration(
+        input.outputConfiguration,
+        context
+      )
+    }),
+    ...(input.role !== undefined && {
+      role: serializeAws_json1_1Role(input.role, context)
+    })
+  };
 };
 
 const serializeAws_json1_1PutModelRequest = (
   input: PutModelRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.description !== undefined) {
-    bodyParams["description"] = input.description;
-  }
-  if (input.labelSchema !== undefined) {
-    bodyParams["labelSchema"] = serializeAws_json1_1LabelSchema(
-      input.labelSchema,
-      context
-    );
-  }
-  if (input.modelId !== undefined) {
-    bodyParams["modelId"] = input.modelId;
-  }
-  if (input.modelType !== undefined) {
-    bodyParams["modelType"] = input.modelType;
-  }
-  if (input.modelVariables !== undefined) {
-    bodyParams["modelVariables"] = serializeAws_json1_1ModelVariablesList(
-      input.modelVariables,
-      context
-    );
-  }
-  if (input.trainingDataSource !== undefined) {
-    bodyParams["trainingDataSource"] = serializeAws_json1_1TrainingDataSource(
-      input.trainingDataSource,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.description !== undefined && { description: input.description }),
+    ...(input.labelSchema !== undefined && {
+      labelSchema: serializeAws_json1_1LabelSchema(input.labelSchema, context)
+    }),
+    ...(input.modelId !== undefined && { modelId: input.modelId }),
+    ...(input.modelType !== undefined && { modelType: input.modelType }),
+    ...(input.modelVariables !== undefined && {
+      modelVariables: serializeAws_json1_1ModelVariablesList(
+        input.modelVariables,
+        context
+      )
+    }),
+    ...(input.trainingDataSource !== undefined && {
+      trainingDataSource: serializeAws_json1_1TrainingDataSource(
+        input.trainingDataSource,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1PutOutcomeRequest = (
   input: PutOutcomeRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.description !== undefined) {
-    bodyParams["description"] = input.description;
-  }
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  return bodyParams;
+  return {
+    ...(input.description !== undefined && { description: input.description }),
+    ...(input.name !== undefined && { name: input.name })
+  };
 };
 
 const serializeAws_json1_1Role = (
   input: Role,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.arn !== undefined) {
-    bodyParams["arn"] = input.arn;
-  }
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  return bodyParams;
+  return {
+    ...(input.arn !== undefined && { arn: input.arn }),
+    ...(input.name !== undefined && { name: input.name })
+  };
 };
 
 const serializeAws_json1_1Rule = (
   input: Rule,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.detectorId !== undefined) {
-    bodyParams["detectorId"] = input.detectorId;
-  }
-  if (input.ruleId !== undefined) {
-    bodyParams["ruleId"] = input.ruleId;
-  }
-  if (input.ruleVersion !== undefined) {
-    bodyParams["ruleVersion"] = input.ruleVersion;
-  }
-  return bodyParams;
+  return {
+    ...(input.detectorId !== undefined && { detectorId: input.detectorId }),
+    ...(input.ruleId !== undefined && { ruleId: input.ruleId }),
+    ...(input.ruleVersion !== undefined && { ruleVersion: input.ruleVersion })
+  };
 };
 
 const serializeAws_json1_1RuleList = (
@@ -4120,189 +3964,149 @@ const serializeAws_json1_1TrainingDataSource = (
   input: TrainingDataSource,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.dataAccessRoleArn !== undefined) {
-    bodyParams["dataAccessRoleArn"] = input.dataAccessRoleArn;
-  }
-  if (input.dataLocation !== undefined) {
-    bodyParams["dataLocation"] = input.dataLocation;
-  }
-  return bodyParams;
+  return {
+    ...(input.dataAccessRoleArn !== undefined && {
+      dataAccessRoleArn: input.dataAccessRoleArn
+    }),
+    ...(input.dataLocation !== undefined && {
+      dataLocation: input.dataLocation
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateDetectorVersionMetadataRequest = (
   input: UpdateDetectorVersionMetadataRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.description !== undefined) {
-    bodyParams["description"] = input.description;
-  }
-  if (input.detectorId !== undefined) {
-    bodyParams["detectorId"] = input.detectorId;
-  }
-  if (input.detectorVersionId !== undefined) {
-    bodyParams["detectorVersionId"] = input.detectorVersionId;
-  }
-  return bodyParams;
+  return {
+    ...(input.description !== undefined && { description: input.description }),
+    ...(input.detectorId !== undefined && { detectorId: input.detectorId }),
+    ...(input.detectorVersionId !== undefined && {
+      detectorVersionId: input.detectorVersionId
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateDetectorVersionRequest = (
   input: UpdateDetectorVersionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.description !== undefined) {
-    bodyParams["description"] = input.description;
-  }
-  if (input.detectorId !== undefined) {
-    bodyParams["detectorId"] = input.detectorId;
-  }
-  if (input.detectorVersionId !== undefined) {
-    bodyParams["detectorVersionId"] = input.detectorVersionId;
-  }
-  if (input.externalModelEndpoints !== undefined) {
-    bodyParams["externalModelEndpoints"] = serializeAws_json1_1ListOfStrings(
-      input.externalModelEndpoints,
-      context
-    );
-  }
-  if (input.modelVersions !== undefined) {
-    bodyParams["modelVersions"] = serializeAws_json1_1ListOfModelVersions(
-      input.modelVersions,
-      context
-    );
-  }
-  if (input.rules !== undefined) {
-    bodyParams["rules"] = serializeAws_json1_1RuleList(input.rules, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.description !== undefined && { description: input.description }),
+    ...(input.detectorId !== undefined && { detectorId: input.detectorId }),
+    ...(input.detectorVersionId !== undefined && {
+      detectorVersionId: input.detectorVersionId
+    }),
+    ...(input.externalModelEndpoints !== undefined && {
+      externalModelEndpoints: serializeAws_json1_1ListOfStrings(
+        input.externalModelEndpoints,
+        context
+      )
+    }),
+    ...(input.modelVersions !== undefined && {
+      modelVersions: serializeAws_json1_1ListOfModelVersions(
+        input.modelVersions,
+        context
+      )
+    }),
+    ...(input.rules !== undefined && {
+      rules: serializeAws_json1_1RuleList(input.rules, context)
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateDetectorVersionStatusRequest = (
   input: UpdateDetectorVersionStatusRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.detectorId !== undefined) {
-    bodyParams["detectorId"] = input.detectorId;
-  }
-  if (input.detectorVersionId !== undefined) {
-    bodyParams["detectorVersionId"] = input.detectorVersionId;
-  }
-  if (input.status !== undefined) {
-    bodyParams["status"] = input.status;
-  }
-  return bodyParams;
+  return {
+    ...(input.detectorId !== undefined && { detectorId: input.detectorId }),
+    ...(input.detectorVersionId !== undefined && {
+      detectorVersionId: input.detectorVersionId
+    }),
+    ...(input.status !== undefined && { status: input.status })
+  };
 };
 
 const serializeAws_json1_1UpdateModelVersionRequest = (
   input: UpdateModelVersionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.description !== undefined) {
-    bodyParams["description"] = input.description;
-  }
-  if (input.modelId !== undefined) {
-    bodyParams["modelId"] = input.modelId;
-  }
-  if (input.modelType !== undefined) {
-    bodyParams["modelType"] = input.modelType;
-  }
-  if (input.modelVersionNumber !== undefined) {
-    bodyParams["modelVersionNumber"] = input.modelVersionNumber;
-  }
-  if (input.status !== undefined) {
-    bodyParams["status"] = input.status;
-  }
-  return bodyParams;
+  return {
+    ...(input.description !== undefined && { description: input.description }),
+    ...(input.modelId !== undefined && { modelId: input.modelId }),
+    ...(input.modelType !== undefined && { modelType: input.modelType }),
+    ...(input.modelVersionNumber !== undefined && {
+      modelVersionNumber: input.modelVersionNumber
+    }),
+    ...(input.status !== undefined && { status: input.status })
+  };
 };
 
 const serializeAws_json1_1UpdateRuleMetadataRequest = (
   input: UpdateRuleMetadataRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.description !== undefined) {
-    bodyParams["description"] = input.description;
-  }
-  if (input.rule !== undefined) {
-    bodyParams["rule"] = serializeAws_json1_1Rule(input.rule, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.description !== undefined && { description: input.description }),
+    ...(input.rule !== undefined && {
+      rule: serializeAws_json1_1Rule(input.rule, context)
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateRuleVersionRequest = (
   input: UpdateRuleVersionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.description !== undefined) {
-    bodyParams["description"] = input.description;
-  }
-  if (input.expression !== undefined) {
-    bodyParams["expression"] = input.expression;
-  }
-  if (input.language !== undefined) {
-    bodyParams["language"] = input.language;
-  }
-  if (input.outcomes !== undefined) {
-    bodyParams["outcomes"] = serializeAws_json1_1NonEmptyListOfStrings(
-      input.outcomes,
-      context
-    );
-  }
-  if (input.rule !== undefined) {
-    bodyParams["rule"] = serializeAws_json1_1Rule(input.rule, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.description !== undefined && { description: input.description }),
+    ...(input.expression !== undefined && { expression: input.expression }),
+    ...(input.language !== undefined && { language: input.language }),
+    ...(input.outcomes !== undefined && {
+      outcomes: serializeAws_json1_1NonEmptyListOfStrings(
+        input.outcomes,
+        context
+      )
+    }),
+    ...(input.rule !== undefined && {
+      rule: serializeAws_json1_1Rule(input.rule, context)
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateVariableRequest = (
   input: UpdateVariableRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.defaultValue !== undefined) {
-    bodyParams["defaultValue"] = input.defaultValue;
-  }
-  if (input.description !== undefined) {
-    bodyParams["description"] = input.description;
-  }
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  if (input.variableType !== undefined) {
-    bodyParams["variableType"] = input.variableType;
-  }
-  return bodyParams;
+  return {
+    ...(input.defaultValue !== undefined && {
+      defaultValue: input.defaultValue
+    }),
+    ...(input.description !== undefined && { description: input.description }),
+    ...(input.name !== undefined && { name: input.name }),
+    ...(input.variableType !== undefined && {
+      variableType: input.variableType
+    })
+  };
 };
 
 const serializeAws_json1_1VariableEntry = (
   input: VariableEntry,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.dataSource !== undefined) {
-    bodyParams["dataSource"] = input.dataSource;
-  }
-  if (input.dataType !== undefined) {
-    bodyParams["dataType"] = input.dataType;
-  }
-  if (input.defaultValue !== undefined) {
-    bodyParams["defaultValue"] = input.defaultValue;
-  }
-  if (input.description !== undefined) {
-    bodyParams["description"] = input.description;
-  }
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  if (input.variableType !== undefined) {
-    bodyParams["variableType"] = input.variableType;
-  }
-  return bodyParams;
+  return {
+    ...(input.dataSource !== undefined && { dataSource: input.dataSource }),
+    ...(input.dataType !== undefined && { dataType: input.dataType }),
+    ...(input.defaultValue !== undefined && {
+      defaultValue: input.defaultValue
+    }),
+    ...(input.description !== undefined && { description: input.description }),
+    ...(input.name !== undefined && { name: input.name }),
+    ...(input.variableType !== undefined && {
+      variableType: input.variableType
+    })
+  };
 };
 
 const serializeAws_json1_1VariableEntryList = (
diff --git a/clients/client-fsx/protocols/Aws_json1_1.ts b/clients/client-fsx/protocols/Aws_json1_1.ts
index 7ff7613e1018..6df390568169 100644
--- a/clients/client-fsx/protocols/Aws_json1_1.ts
+++ b/clients/client-fsx/protocols/Aws_json1_1.ts
@@ -2301,259 +2301,195 @@ const serializeAws_json1_1CancelDataRepositoryTaskRequest = (
   input: CancelDataRepositoryTaskRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.TaskId !== undefined) {
-    bodyParams["TaskId"] = input.TaskId;
-  }
-  return bodyParams;
+  return {
+    ...(input.TaskId !== undefined && { TaskId: input.TaskId })
+  };
 };
 
 const serializeAws_json1_1CompletionReport = (
   input: CompletionReport,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Enabled !== undefined) {
-    bodyParams["Enabled"] = input.Enabled;
-  }
-  if (input.Format !== undefined) {
-    bodyParams["Format"] = input.Format;
-  }
-  if (input.Path !== undefined) {
-    bodyParams["Path"] = input.Path;
-  }
-  if (input.Scope !== undefined) {
-    bodyParams["Scope"] = input.Scope;
-  }
-  return bodyParams;
+  return {
+    ...(input.Enabled !== undefined && { Enabled: input.Enabled }),
+    ...(input.Format !== undefined && { Format: input.Format }),
+    ...(input.Path !== undefined && { Path: input.Path }),
+    ...(input.Scope !== undefined && { Scope: input.Scope })
+  };
 };
 
 const serializeAws_json1_1CreateBackupRequest = (
   input: CreateBackupRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ClientRequestToken === undefined) {
-    input.ClientRequestToken = generateIdempotencyToken();
-  }
-  if (input.ClientRequestToken !== undefined) {
-    bodyParams["ClientRequestToken"] = input.ClientRequestToken;
-  }
-  if (input.FileSystemId !== undefined) {
-    bodyParams["FileSystemId"] = input.FileSystemId;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1Tags(input.Tags, context);
-  }
-  return bodyParams;
+  return {
+    ClientRequestToken: input.ClientRequestToken ?? generateIdempotencyToken(),
+    ...(input.FileSystemId !== undefined && {
+      FileSystemId: input.FileSystemId
+    }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1Tags(input.Tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1CreateDataRepositoryTaskRequest = (
   input: CreateDataRepositoryTaskRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ClientRequestToken === undefined) {
-    input.ClientRequestToken = generateIdempotencyToken();
-  }
-  if (input.ClientRequestToken !== undefined) {
-    bodyParams["ClientRequestToken"] = input.ClientRequestToken;
-  }
-  if (input.FileSystemId !== undefined) {
-    bodyParams["FileSystemId"] = input.FileSystemId;
-  }
-  if (input.Paths !== undefined) {
-    bodyParams["Paths"] = serializeAws_json1_1DataRepositoryTaskPaths(
-      input.Paths,
-      context
-    );
-  }
-  if (input.Report !== undefined) {
-    bodyParams["Report"] = serializeAws_json1_1CompletionReport(
-      input.Report,
-      context
-    );
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1Tags(input.Tags, context);
-  }
-  if (input.Type !== undefined) {
-    bodyParams["Type"] = input.Type;
-  }
-  return bodyParams;
+  return {
+    ClientRequestToken: input.ClientRequestToken ?? generateIdempotencyToken(),
+    ...(input.FileSystemId !== undefined && {
+      FileSystemId: input.FileSystemId
+    }),
+    ...(input.Paths !== undefined && {
+      Paths: serializeAws_json1_1DataRepositoryTaskPaths(input.Paths, context)
+    }),
+    ...(input.Report !== undefined && {
+      Report: serializeAws_json1_1CompletionReport(input.Report, context)
+    }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1Tags(input.Tags, context)
+    }),
+    ...(input.Type !== undefined && { Type: input.Type })
+  };
 };
 
 const serializeAws_json1_1CreateFileSystemFromBackupRequest = (
   input: CreateFileSystemFromBackupRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.BackupId !== undefined) {
-    bodyParams["BackupId"] = input.BackupId;
-  }
-  if (input.ClientRequestToken === undefined) {
-    input.ClientRequestToken = generateIdempotencyToken();
-  }
-  if (input.ClientRequestToken !== undefined) {
-    bodyParams["ClientRequestToken"] = input.ClientRequestToken;
-  }
-  if (input.SecurityGroupIds !== undefined) {
-    bodyParams["SecurityGroupIds"] = serializeAws_json1_1SecurityGroupIds(
-      input.SecurityGroupIds,
-      context
-    );
-  }
-  if (input.SubnetIds !== undefined) {
-    bodyParams["SubnetIds"] = serializeAws_json1_1SubnetIds(
-      input.SubnetIds,
-      context
-    );
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1Tags(input.Tags, context);
-  }
-  if (input.WindowsConfiguration !== undefined) {
-    bodyParams[
-      "WindowsConfiguration"
-    ] = serializeAws_json1_1CreateFileSystemWindowsConfiguration(
-      input.WindowsConfiguration,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.BackupId !== undefined && { BackupId: input.BackupId }),
+    ClientRequestToken: input.ClientRequestToken ?? generateIdempotencyToken(),
+    ...(input.SecurityGroupIds !== undefined && {
+      SecurityGroupIds: serializeAws_json1_1SecurityGroupIds(
+        input.SecurityGroupIds,
+        context
+      )
+    }),
+    ...(input.SubnetIds !== undefined && {
+      SubnetIds: serializeAws_json1_1SubnetIds(input.SubnetIds, context)
+    }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1Tags(input.Tags, context)
+    }),
+    ...(input.WindowsConfiguration !== undefined && {
+      WindowsConfiguration: serializeAws_json1_1CreateFileSystemWindowsConfiguration(
+        input.WindowsConfiguration,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1CreateFileSystemLustreConfiguration = (
   input: CreateFileSystemLustreConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ExportPath !== undefined) {
-    bodyParams["ExportPath"] = input.ExportPath;
-  }
-  if (input.ImportPath !== undefined) {
-    bodyParams["ImportPath"] = input.ImportPath;
-  }
-  if (input.ImportedFileChunkSize !== undefined) {
-    bodyParams["ImportedFileChunkSize"] = input.ImportedFileChunkSize;
-  }
-  if (input.WeeklyMaintenanceStartTime !== undefined) {
-    bodyParams["WeeklyMaintenanceStartTime"] = input.WeeklyMaintenanceStartTime;
-  }
-  return bodyParams;
+  return {
+    ...(input.ExportPath !== undefined && { ExportPath: input.ExportPath }),
+    ...(input.ImportPath !== undefined && { ImportPath: input.ImportPath }),
+    ...(input.ImportedFileChunkSize !== undefined && {
+      ImportedFileChunkSize: input.ImportedFileChunkSize
+    }),
+    ...(input.WeeklyMaintenanceStartTime !== undefined && {
+      WeeklyMaintenanceStartTime: input.WeeklyMaintenanceStartTime
+    })
+  };
 };
 
 const serializeAws_json1_1CreateFileSystemRequest = (
   input: CreateFileSystemRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ClientRequestToken === undefined) {
-    input.ClientRequestToken = generateIdempotencyToken();
-  }
-  if (input.ClientRequestToken !== undefined) {
-    bodyParams["ClientRequestToken"] = input.ClientRequestToken;
-  }
-  if (input.FileSystemType !== undefined) {
-    bodyParams["FileSystemType"] = input.FileSystemType;
-  }
-  if (input.KmsKeyId !== undefined) {
-    bodyParams["KmsKeyId"] = input.KmsKeyId;
-  }
-  if (input.LustreConfiguration !== undefined) {
-    bodyParams[
-      "LustreConfiguration"
-    ] = serializeAws_json1_1CreateFileSystemLustreConfiguration(
-      input.LustreConfiguration,
-      context
-    );
-  }
-  if (input.SecurityGroupIds !== undefined) {
-    bodyParams["SecurityGroupIds"] = serializeAws_json1_1SecurityGroupIds(
-      input.SecurityGroupIds,
-      context
-    );
-  }
-  if (input.StorageCapacity !== undefined) {
-    bodyParams["StorageCapacity"] = input.StorageCapacity;
-  }
-  if (input.SubnetIds !== undefined) {
-    bodyParams["SubnetIds"] = serializeAws_json1_1SubnetIds(
-      input.SubnetIds,
-      context
-    );
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1Tags(input.Tags, context);
-  }
-  if (input.WindowsConfiguration !== undefined) {
-    bodyParams[
-      "WindowsConfiguration"
-    ] = serializeAws_json1_1CreateFileSystemWindowsConfiguration(
-      input.WindowsConfiguration,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ClientRequestToken: input.ClientRequestToken ?? generateIdempotencyToken(),
+    ...(input.FileSystemType !== undefined && {
+      FileSystemType: input.FileSystemType
+    }),
+    ...(input.KmsKeyId !== undefined && { KmsKeyId: input.KmsKeyId }),
+    ...(input.LustreConfiguration !== undefined && {
+      LustreConfiguration: serializeAws_json1_1CreateFileSystemLustreConfiguration(
+        input.LustreConfiguration,
+        context
+      )
+    }),
+    ...(input.SecurityGroupIds !== undefined && {
+      SecurityGroupIds: serializeAws_json1_1SecurityGroupIds(
+        input.SecurityGroupIds,
+        context
+      )
+    }),
+    ...(input.StorageCapacity !== undefined && {
+      StorageCapacity: input.StorageCapacity
+    }),
+    ...(input.SubnetIds !== undefined && {
+      SubnetIds: serializeAws_json1_1SubnetIds(input.SubnetIds, context)
+    }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1Tags(input.Tags, context)
+    }),
+    ...(input.WindowsConfiguration !== undefined && {
+      WindowsConfiguration: serializeAws_json1_1CreateFileSystemWindowsConfiguration(
+        input.WindowsConfiguration,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1CreateFileSystemWindowsConfiguration = (
   input: CreateFileSystemWindowsConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ActiveDirectoryId !== undefined) {
-    bodyParams["ActiveDirectoryId"] = input.ActiveDirectoryId;
-  }
-  if (input.AutomaticBackupRetentionDays !== undefined) {
-    bodyParams["AutomaticBackupRetentionDays"] =
-      input.AutomaticBackupRetentionDays;
-  }
-  if (input.CopyTagsToBackups !== undefined) {
-    bodyParams["CopyTagsToBackups"] = input.CopyTagsToBackups;
-  }
-  if (input.DailyAutomaticBackupStartTime !== undefined) {
-    bodyParams["DailyAutomaticBackupStartTime"] =
-      input.DailyAutomaticBackupStartTime;
-  }
-  if (input.DeploymentType !== undefined) {
-    bodyParams["DeploymentType"] = input.DeploymentType;
-  }
-  if (input.PreferredSubnetId !== undefined) {
-    bodyParams["PreferredSubnetId"] = input.PreferredSubnetId;
-  }
-  if (input.SelfManagedActiveDirectoryConfiguration !== undefined) {
-    bodyParams[
-      "SelfManagedActiveDirectoryConfiguration"
-    ] = serializeAws_json1_1SelfManagedActiveDirectoryConfiguration(
-      input.SelfManagedActiveDirectoryConfiguration,
-      context
-    );
-  }
-  if (input.ThroughputCapacity !== undefined) {
-    bodyParams["ThroughputCapacity"] = input.ThroughputCapacity;
-  }
-  if (input.WeeklyMaintenanceStartTime !== undefined) {
-    bodyParams["WeeklyMaintenanceStartTime"] = input.WeeklyMaintenanceStartTime;
-  }
-  return bodyParams;
+  return {
+    ...(input.ActiveDirectoryId !== undefined && {
+      ActiveDirectoryId: input.ActiveDirectoryId
+    }),
+    ...(input.AutomaticBackupRetentionDays !== undefined && {
+      AutomaticBackupRetentionDays: input.AutomaticBackupRetentionDays
+    }),
+    ...(input.CopyTagsToBackups !== undefined && {
+      CopyTagsToBackups: input.CopyTagsToBackups
+    }),
+    ...(input.DailyAutomaticBackupStartTime !== undefined && {
+      DailyAutomaticBackupStartTime: input.DailyAutomaticBackupStartTime
+    }),
+    ...(input.DeploymentType !== undefined && {
+      DeploymentType: input.DeploymentType
+    }),
+    ...(input.PreferredSubnetId !== undefined && {
+      PreferredSubnetId: input.PreferredSubnetId
+    }),
+    ...(input.SelfManagedActiveDirectoryConfiguration !== undefined && {
+      SelfManagedActiveDirectoryConfiguration: serializeAws_json1_1SelfManagedActiveDirectoryConfiguration(
+        input.SelfManagedActiveDirectoryConfiguration,
+        context
+      )
+    }),
+    ...(input.ThroughputCapacity !== undefined && {
+      ThroughputCapacity: input.ThroughputCapacity
+    }),
+    ...(input.WeeklyMaintenanceStartTime !== undefined && {
+      WeeklyMaintenanceStartTime: input.WeeklyMaintenanceStartTime
+    })
+  };
 };
 
 const serializeAws_json1_1DataRepositoryTaskFilter = (
   input: DataRepositoryTaskFilter,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.Values !== undefined) {
-    bodyParams["Values"] = serializeAws_json1_1DataRepositoryTaskFilterValues(
-      input.Values,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.Values !== undefined && {
+      Values: serializeAws_json1_1DataRepositoryTaskFilterValues(
+        input.Values,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1DataRepositoryTaskFilterValues = (
@@ -2583,125 +2519,93 @@ const serializeAws_json1_1DeleteBackupRequest = (
   input: DeleteBackupRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.BackupId !== undefined) {
-    bodyParams["BackupId"] = input.BackupId;
-  }
-  if (input.ClientRequestToken === undefined) {
-    input.ClientRequestToken = generateIdempotencyToken();
-  }
-  if (input.ClientRequestToken !== undefined) {
-    bodyParams["ClientRequestToken"] = input.ClientRequestToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.BackupId !== undefined && { BackupId: input.BackupId }),
+    ClientRequestToken: input.ClientRequestToken ?? generateIdempotencyToken()
+  };
 };
 
 const serializeAws_json1_1DeleteFileSystemRequest = (
   input: DeleteFileSystemRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ClientRequestToken === undefined) {
-    input.ClientRequestToken = generateIdempotencyToken();
-  }
-  if (input.ClientRequestToken !== undefined) {
-    bodyParams["ClientRequestToken"] = input.ClientRequestToken;
-  }
-  if (input.FileSystemId !== undefined) {
-    bodyParams["FileSystemId"] = input.FileSystemId;
-  }
-  if (input.WindowsConfiguration !== undefined) {
-    bodyParams[
-      "WindowsConfiguration"
-    ] = serializeAws_json1_1DeleteFileSystemWindowsConfiguration(
-      input.WindowsConfiguration,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ClientRequestToken: input.ClientRequestToken ?? generateIdempotencyToken(),
+    ...(input.FileSystemId !== undefined && {
+      FileSystemId: input.FileSystemId
+    }),
+    ...(input.WindowsConfiguration !== undefined && {
+      WindowsConfiguration: serializeAws_json1_1DeleteFileSystemWindowsConfiguration(
+        input.WindowsConfiguration,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteFileSystemWindowsConfiguration = (
   input: DeleteFileSystemWindowsConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.FinalBackupTags !== undefined) {
-    bodyParams["FinalBackupTags"] = serializeAws_json1_1Tags(
-      input.FinalBackupTags,
-      context
-    );
-  }
-  if (input.SkipFinalBackup !== undefined) {
-    bodyParams["SkipFinalBackup"] = input.SkipFinalBackup;
-  }
-  return bodyParams;
+  return {
+    ...(input.FinalBackupTags !== undefined && {
+      FinalBackupTags: serializeAws_json1_1Tags(input.FinalBackupTags, context)
+    }),
+    ...(input.SkipFinalBackup !== undefined && {
+      SkipFinalBackup: input.SkipFinalBackup
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeBackupsRequest = (
   input: DescribeBackupsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.BackupIds !== undefined) {
-    bodyParams["BackupIds"] = serializeAws_json1_1BackupIds(
-      input.BackupIds,
-      context
-    );
-  }
-  if (input.Filters !== undefined) {
-    bodyParams["Filters"] = serializeAws_json1_1Filters(input.Filters, context);
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.BackupIds !== undefined && {
+      BackupIds: serializeAws_json1_1BackupIds(input.BackupIds, context)
+    }),
+    ...(input.Filters !== undefined && {
+      Filters: serializeAws_json1_1Filters(input.Filters, context)
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1DescribeDataRepositoryTasksRequest = (
   input: DescribeDataRepositoryTasksRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Filters !== undefined) {
-    bodyParams["Filters"] = serializeAws_json1_1DataRepositoryTaskFilters(
-      input.Filters,
-      context
-    );
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.TaskIds !== undefined) {
-    bodyParams["TaskIds"] = serializeAws_json1_1TaskIds(input.TaskIds, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.Filters !== undefined && {
+      Filters: serializeAws_json1_1DataRepositoryTaskFilters(
+        input.Filters,
+        context
+      )
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.TaskIds !== undefined && {
+      TaskIds: serializeAws_json1_1TaskIds(input.TaskIds, context)
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeFileSystemsRequest = (
   input: DescribeFileSystemsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.FileSystemIds !== undefined) {
-    bodyParams["FileSystemIds"] = serializeAws_json1_1FileSystemIds(
-      input.FileSystemIds,
-      context
-    );
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.FileSystemIds !== undefined && {
+      FileSystemIds: serializeAws_json1_1FileSystemIds(
+        input.FileSystemIds,
+        context
+      )
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1DnsIps = (
@@ -2722,17 +2626,12 @@ const serializeAws_json1_1Filter = (
   input: Filter,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.Values !== undefined) {
-    bodyParams["Values"] = serializeAws_json1_1FilterValues(
-      input.Values,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.Values !== undefined && {
+      Values: serializeAws_json1_1FilterValues(input.Values, context)
+    })
+  };
 };
 
 const serializeAws_json1_1FilterValues = (
@@ -2753,17 +2652,11 @@ const serializeAws_json1_1ListTagsForResourceRequest = (
   input: ListTagsForResourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.ResourceARN !== undefined) {
-    bodyParams["ResourceARN"] = input.ResourceARN;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.ResourceARN !== undefined && { ResourceARN: input.ResourceARN })
+  };
 };
 
 const serializeAws_json1_1SecurityGroupIds = (
@@ -2777,45 +2670,34 @@ const serializeAws_json1_1SelfManagedActiveDirectoryConfiguration = (
   input: SelfManagedActiveDirectoryConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DnsIps !== undefined) {
-    bodyParams["DnsIps"] = serializeAws_json1_1DnsIps(input.DnsIps, context);
-  }
-  if (input.DomainName !== undefined) {
-    bodyParams["DomainName"] = input.DomainName;
-  }
-  if (input.FileSystemAdministratorsGroup !== undefined) {
-    bodyParams["FileSystemAdministratorsGroup"] =
-      input.FileSystemAdministratorsGroup;
-  }
-  if (input.OrganizationalUnitDistinguishedName !== undefined) {
-    bodyParams["OrganizationalUnitDistinguishedName"] =
-      input.OrganizationalUnitDistinguishedName;
-  }
-  if (input.Password !== undefined) {
-    bodyParams["Password"] = input.Password;
-  }
-  if (input.UserName !== undefined) {
-    bodyParams["UserName"] = input.UserName;
-  }
-  return bodyParams;
+  return {
+    ...(input.DnsIps !== undefined && {
+      DnsIps: serializeAws_json1_1DnsIps(input.DnsIps, context)
+    }),
+    ...(input.DomainName !== undefined && { DomainName: input.DomainName }),
+    ...(input.FileSystemAdministratorsGroup !== undefined && {
+      FileSystemAdministratorsGroup: input.FileSystemAdministratorsGroup
+    }),
+    ...(input.OrganizationalUnitDistinguishedName !== undefined && {
+      OrganizationalUnitDistinguishedName:
+        input.OrganizationalUnitDistinguishedName
+    }),
+    ...(input.Password !== undefined && { Password: input.Password }),
+    ...(input.UserName !== undefined && { UserName: input.UserName })
+  };
 };
 
 const serializeAws_json1_1SelfManagedActiveDirectoryConfigurationUpdates = (
   input: SelfManagedActiveDirectoryConfigurationUpdates,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DnsIps !== undefined) {
-    bodyParams["DnsIps"] = serializeAws_json1_1DnsIps(input.DnsIps, context);
-  }
-  if (input.Password !== undefined) {
-    bodyParams["Password"] = input.Password;
-  }
-  if (input.UserName !== undefined) {
-    bodyParams["UserName"] = input.UserName;
-  }
-  return bodyParams;
+  return {
+    ...(input.DnsIps !== undefined && {
+      DnsIps: serializeAws_json1_1DnsIps(input.DnsIps, context)
+    }),
+    ...(input.Password !== undefined && { Password: input.Password }),
+    ...(input.UserName !== undefined && { UserName: input.UserName })
+  };
 };
 
 const serializeAws_json1_1SubnetIds = (
@@ -2826,14 +2708,10 @@ const serializeAws_json1_1SubnetIds = (
 };
 
 const serializeAws_json1_1Tag = (input: Tag, context: __SerdeContext): any => {
-  const bodyParams: any = {};
-  if (input.Key !== undefined) {
-    bodyParams["Key"] = input.Key;
-  }
-  if (input.Value !== undefined) {
-    bodyParams["Value"] = input.Value;
-  }
-  return bodyParams;
+  return {
+    ...(input.Key !== undefined && { Key: input.Key }),
+    ...(input.Value !== undefined && { Value: input.Value })
+  };
 };
 
 const serializeAws_json1_1TagKeys = (
@@ -2847,14 +2725,12 @@ const serializeAws_json1_1TagResourceRequest = (
   input: TagResourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceARN !== undefined) {
-    bodyParams["ResourceARN"] = input.ResourceARN;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1Tags(input.Tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceARN !== undefined && { ResourceARN: input.ResourceARN }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1Tags(input.Tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1Tags = (
@@ -2875,85 +2751,70 @@ const serializeAws_json1_1UntagResourceRequest = (
   input: UntagResourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceARN !== undefined) {
-    bodyParams["ResourceARN"] = input.ResourceARN;
-  }
-  if (input.TagKeys !== undefined) {
-    bodyParams["TagKeys"] = serializeAws_json1_1TagKeys(input.TagKeys, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceARN !== undefined && { ResourceARN: input.ResourceARN }),
+    ...(input.TagKeys !== undefined && {
+      TagKeys: serializeAws_json1_1TagKeys(input.TagKeys, context)
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateFileSystemLustreConfiguration = (
   input: UpdateFileSystemLustreConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.WeeklyMaintenanceStartTime !== undefined) {
-    bodyParams["WeeklyMaintenanceStartTime"] = input.WeeklyMaintenanceStartTime;
-  }
-  return bodyParams;
+  return {
+    ...(input.WeeklyMaintenanceStartTime !== undefined && {
+      WeeklyMaintenanceStartTime: input.WeeklyMaintenanceStartTime
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateFileSystemRequest = (
   input: UpdateFileSystemRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ClientRequestToken === undefined) {
-    input.ClientRequestToken = generateIdempotencyToken();
-  }
-  if (input.ClientRequestToken !== undefined) {
-    bodyParams["ClientRequestToken"] = input.ClientRequestToken;
-  }
-  if (input.FileSystemId !== undefined) {
-    bodyParams["FileSystemId"] = input.FileSystemId;
-  }
-  if (input.LustreConfiguration !== undefined) {
-    bodyParams[
-      "LustreConfiguration"
-    ] = serializeAws_json1_1UpdateFileSystemLustreConfiguration(
-      input.LustreConfiguration,
-      context
-    );
-  }
-  if (input.WindowsConfiguration !== undefined) {
-    bodyParams[
-      "WindowsConfiguration"
-    ] = serializeAws_json1_1UpdateFileSystemWindowsConfiguration(
-      input.WindowsConfiguration,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ClientRequestToken: input.ClientRequestToken ?? generateIdempotencyToken(),
+    ...(input.FileSystemId !== undefined && {
+      FileSystemId: input.FileSystemId
+    }),
+    ...(input.LustreConfiguration !== undefined && {
+      LustreConfiguration: serializeAws_json1_1UpdateFileSystemLustreConfiguration(
+        input.LustreConfiguration,
+        context
+      )
+    }),
+    ...(input.WindowsConfiguration !== undefined && {
+      WindowsConfiguration: serializeAws_json1_1UpdateFileSystemWindowsConfiguration(
+        input.WindowsConfiguration,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateFileSystemWindowsConfiguration = (
   input: UpdateFileSystemWindowsConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AutomaticBackupRetentionDays !== undefined) {
-    bodyParams["AutomaticBackupRetentionDays"] =
-      input.AutomaticBackupRetentionDays;
-  }
-  if (input.DailyAutomaticBackupStartTime !== undefined) {
-    bodyParams["DailyAutomaticBackupStartTime"] =
-      input.DailyAutomaticBackupStartTime;
-  }
-  if (input.SelfManagedActiveDirectoryConfiguration !== undefined) {
-    bodyParams[
-      "SelfManagedActiveDirectoryConfiguration"
-    ] = serializeAws_json1_1SelfManagedActiveDirectoryConfigurationUpdates(
-      input.SelfManagedActiveDirectoryConfiguration,
-      context
-    );
-  }
-  if (input.WeeklyMaintenanceStartTime !== undefined) {
-    bodyParams["WeeklyMaintenanceStartTime"] = input.WeeklyMaintenanceStartTime;
-  }
-  return bodyParams;
+  return {
+    ...(input.AutomaticBackupRetentionDays !== undefined && {
+      AutomaticBackupRetentionDays: input.AutomaticBackupRetentionDays
+    }),
+    ...(input.DailyAutomaticBackupStartTime !== undefined && {
+      DailyAutomaticBackupStartTime: input.DailyAutomaticBackupStartTime
+    }),
+    ...(input.SelfManagedActiveDirectoryConfiguration !== undefined && {
+      SelfManagedActiveDirectoryConfiguration: serializeAws_json1_1SelfManagedActiveDirectoryConfigurationUpdates(
+        input.SelfManagedActiveDirectoryConfiguration,
+        context
+      )
+    }),
+    ...(input.WeeklyMaintenanceStartTime !== undefined && {
+      WeeklyMaintenanceStartTime: input.WeeklyMaintenanceStartTime
+    })
+  };
 };
 
 const deserializeAws_json1_1ActiveDirectoryBackupAttributes = (
diff --git a/clients/client-gamelift/protocols/Aws_json1_1.ts b/clients/client-gamelift/protocols/Aws_json1_1.ts
index 28e8b2b2fd9d..1be565fe5aca 100644
--- a/clients/client-gamelift/protocols/Aws_json1_1.ts
+++ b/clients/client-gamelift/protocols/Aws_json1_1.ts
@@ -9555,938 +9555,734 @@ const serializeAws_json1_1AcceptMatchInput = (
   input: AcceptMatchInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AcceptanceType !== undefined) {
-    bodyParams["AcceptanceType"] = input.AcceptanceType;
-  }
-  if (input.PlayerIds !== undefined) {
-    bodyParams["PlayerIds"] = serializeAws_json1_1StringList(
-      input.PlayerIds,
-      context
-    );
-  }
-  if (input.TicketId !== undefined) {
-    bodyParams["TicketId"] = input.TicketId;
-  }
-  return bodyParams;
+  return {
+    ...(input.AcceptanceType !== undefined && {
+      AcceptanceType: input.AcceptanceType
+    }),
+    ...(input.PlayerIds !== undefined && {
+      PlayerIds: serializeAws_json1_1StringList(input.PlayerIds, context)
+    }),
+    ...(input.TicketId !== undefined && { TicketId: input.TicketId })
+  };
 };
 
 const serializeAws_json1_1AttributeValue = (
   input: AttributeValue,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.N !== undefined) {
-    bodyParams["N"] = input.N;
-  }
-  if (input.S !== undefined) {
-    bodyParams["S"] = input.S;
-  }
-  if (input.SDM !== undefined) {
-    bodyParams["SDM"] = serializeAws_json1_1StringDoubleMap(input.SDM, context);
-  }
-  if (input.SL !== undefined) {
-    bodyParams["SL"] = serializeAws_json1_1StringList(input.SL, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.N !== undefined && { N: input.N }),
+    ...(input.S !== undefined && { S: input.S }),
+    ...(input.SDM !== undefined && {
+      SDM: serializeAws_json1_1StringDoubleMap(input.SDM, context)
+    }),
+    ...(input.SL !== undefined && {
+      SL: serializeAws_json1_1StringList(input.SL, context)
+    })
+  };
 };
 
 const serializeAws_json1_1CertificateConfiguration = (
   input: CertificateConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CertificateType !== undefined) {
-    bodyParams["CertificateType"] = input.CertificateType;
-  }
-  return bodyParams;
+  return {
+    ...(input.CertificateType !== undefined && {
+      CertificateType: input.CertificateType
+    })
+  };
 };
 
 const serializeAws_json1_1CreateAliasInput = (
   input: CreateAliasInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.RoutingStrategy !== undefined) {
-    bodyParams["RoutingStrategy"] = serializeAws_json1_1RoutingStrategy(
-      input.RoutingStrategy,
-      context
-    );
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagList(input.Tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.RoutingStrategy !== undefined && {
+      RoutingStrategy: serializeAws_json1_1RoutingStrategy(
+        input.RoutingStrategy,
+        context
+      )
+    }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagList(input.Tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1CreateBuildInput = (
   input: CreateBuildInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.OperatingSystem !== undefined) {
-    bodyParams["OperatingSystem"] = input.OperatingSystem;
-  }
-  if (input.StorageLocation !== undefined) {
-    bodyParams["StorageLocation"] = serializeAws_json1_1S3Location(
-      input.StorageLocation,
-      context
-    );
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagList(input.Tags, context);
-  }
-  if (input.Version !== undefined) {
-    bodyParams["Version"] = input.Version;
-  }
-  return bodyParams;
+  return {
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.OperatingSystem !== undefined && {
+      OperatingSystem: input.OperatingSystem
+    }),
+    ...(input.StorageLocation !== undefined && {
+      StorageLocation: serializeAws_json1_1S3Location(
+        input.StorageLocation,
+        context
+      )
+    }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagList(input.Tags, context)
+    }),
+    ...(input.Version !== undefined && { Version: input.Version })
+  };
 };
 
 const serializeAws_json1_1CreateFleetInput = (
   input: CreateFleetInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.BuildId !== undefined) {
-    bodyParams["BuildId"] = input.BuildId;
-  }
-  if (input.CertificateConfiguration !== undefined) {
-    bodyParams[
-      "CertificateConfiguration"
-    ] = serializeAws_json1_1CertificateConfiguration(
-      input.CertificateConfiguration,
-      context
-    );
-  }
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.EC2InboundPermissions !== undefined) {
-    bodyParams["EC2InboundPermissions"] = serializeAws_json1_1IpPermissionsList(
-      input.EC2InboundPermissions,
-      context
-    );
-  }
-  if (input.EC2InstanceType !== undefined) {
-    bodyParams["EC2InstanceType"] = input.EC2InstanceType;
-  }
-  if (input.FleetType !== undefined) {
-    bodyParams["FleetType"] = input.FleetType;
-  }
-  if (input.InstanceRoleArn !== undefined) {
-    bodyParams["InstanceRoleArn"] = input.InstanceRoleArn;
-  }
-  if (input.LogPaths !== undefined) {
-    bodyParams["LogPaths"] = serializeAws_json1_1StringList(
-      input.LogPaths,
-      context
-    );
-  }
-  if (input.MetricGroups !== undefined) {
-    bodyParams["MetricGroups"] = serializeAws_json1_1MetricGroupList(
-      input.MetricGroups,
-      context
-    );
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.NewGameSessionProtectionPolicy !== undefined) {
-    bodyParams["NewGameSessionProtectionPolicy"] =
-      input.NewGameSessionProtectionPolicy;
-  }
-  if (input.PeerVpcAwsAccountId !== undefined) {
-    bodyParams["PeerVpcAwsAccountId"] = input.PeerVpcAwsAccountId;
-  }
-  if (input.PeerVpcId !== undefined) {
-    bodyParams["PeerVpcId"] = input.PeerVpcId;
-  }
-  if (input.ResourceCreationLimitPolicy !== undefined) {
-    bodyParams[
-      "ResourceCreationLimitPolicy"
-    ] = serializeAws_json1_1ResourceCreationLimitPolicy(
-      input.ResourceCreationLimitPolicy,
-      context
-    );
-  }
-  if (input.RuntimeConfiguration !== undefined) {
-    bodyParams[
-      "RuntimeConfiguration"
-    ] = serializeAws_json1_1RuntimeConfiguration(
-      input.RuntimeConfiguration,
-      context
-    );
-  }
-  if (input.ScriptId !== undefined) {
-    bodyParams["ScriptId"] = input.ScriptId;
-  }
-  if (input.ServerLaunchParameters !== undefined) {
-    bodyParams["ServerLaunchParameters"] = input.ServerLaunchParameters;
-  }
-  if (input.ServerLaunchPath !== undefined) {
-    bodyParams["ServerLaunchPath"] = input.ServerLaunchPath;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagList(input.Tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.BuildId !== undefined && { BuildId: input.BuildId }),
+    ...(input.CertificateConfiguration !== undefined && {
+      CertificateConfiguration: serializeAws_json1_1CertificateConfiguration(
+        input.CertificateConfiguration,
+        context
+      )
+    }),
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.EC2InboundPermissions !== undefined && {
+      EC2InboundPermissions: serializeAws_json1_1IpPermissionsList(
+        input.EC2InboundPermissions,
+        context
+      )
+    }),
+    ...(input.EC2InstanceType !== undefined && {
+      EC2InstanceType: input.EC2InstanceType
+    }),
+    ...(input.FleetType !== undefined && { FleetType: input.FleetType }),
+    ...(input.InstanceRoleArn !== undefined && {
+      InstanceRoleArn: input.InstanceRoleArn
+    }),
+    ...(input.LogPaths !== undefined && {
+      LogPaths: serializeAws_json1_1StringList(input.LogPaths, context)
+    }),
+    ...(input.MetricGroups !== undefined && {
+      MetricGroups: serializeAws_json1_1MetricGroupList(
+        input.MetricGroups,
+        context
+      )
+    }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.NewGameSessionProtectionPolicy !== undefined && {
+      NewGameSessionProtectionPolicy: input.NewGameSessionProtectionPolicy
+    }),
+    ...(input.PeerVpcAwsAccountId !== undefined && {
+      PeerVpcAwsAccountId: input.PeerVpcAwsAccountId
+    }),
+    ...(input.PeerVpcId !== undefined && { PeerVpcId: input.PeerVpcId }),
+    ...(input.ResourceCreationLimitPolicy !== undefined && {
+      ResourceCreationLimitPolicy: serializeAws_json1_1ResourceCreationLimitPolicy(
+        input.ResourceCreationLimitPolicy,
+        context
+      )
+    }),
+    ...(input.RuntimeConfiguration !== undefined && {
+      RuntimeConfiguration: serializeAws_json1_1RuntimeConfiguration(
+        input.RuntimeConfiguration,
+        context
+      )
+    }),
+    ...(input.ScriptId !== undefined && { ScriptId: input.ScriptId }),
+    ...(input.ServerLaunchParameters !== undefined && {
+      ServerLaunchParameters: input.ServerLaunchParameters
+    }),
+    ...(input.ServerLaunchPath !== undefined && {
+      ServerLaunchPath: input.ServerLaunchPath
+    }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagList(input.Tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1CreateGameSessionInput = (
   input: CreateGameSessionInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AliasId !== undefined) {
-    bodyParams["AliasId"] = input.AliasId;
-  }
-  if (input.CreatorId !== undefined) {
-    bodyParams["CreatorId"] = input.CreatorId;
-  }
-  if (input.FleetId !== undefined) {
-    bodyParams["FleetId"] = input.FleetId;
-  }
-  if (input.GameProperties !== undefined) {
-    bodyParams["GameProperties"] = serializeAws_json1_1GamePropertyList(
-      input.GameProperties,
-      context
-    );
-  }
-  if (input.GameSessionData !== undefined) {
-    bodyParams["GameSessionData"] = input.GameSessionData;
-  }
-  if (input.GameSessionId !== undefined) {
-    bodyParams["GameSessionId"] = input.GameSessionId;
-  }
-  if (input.IdempotencyToken !== undefined) {
-    bodyParams["IdempotencyToken"] = input.IdempotencyToken;
-  }
-  if (input.MaximumPlayerSessionCount !== undefined) {
-    bodyParams["MaximumPlayerSessionCount"] = input.MaximumPlayerSessionCount;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.AliasId !== undefined && { AliasId: input.AliasId }),
+    ...(input.CreatorId !== undefined && { CreatorId: input.CreatorId }),
+    ...(input.FleetId !== undefined && { FleetId: input.FleetId }),
+    ...(input.GameProperties !== undefined && {
+      GameProperties: serializeAws_json1_1GamePropertyList(
+        input.GameProperties,
+        context
+      )
+    }),
+    ...(input.GameSessionData !== undefined && {
+      GameSessionData: input.GameSessionData
+    }),
+    ...(input.GameSessionId !== undefined && {
+      GameSessionId: input.GameSessionId
+    }),
+    ...(input.IdempotencyToken !== undefined && {
+      IdempotencyToken: input.IdempotencyToken
+    }),
+    ...(input.MaximumPlayerSessionCount !== undefined && {
+      MaximumPlayerSessionCount: input.MaximumPlayerSessionCount
+    }),
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1CreateGameSessionQueueInput = (
   input: CreateGameSessionQueueInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Destinations !== undefined) {
-    bodyParams[
-      "Destinations"
-    ] = serializeAws_json1_1GameSessionQueueDestinationList(
-      input.Destinations,
-      context
-    );
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.PlayerLatencyPolicies !== undefined) {
-    bodyParams[
-      "PlayerLatencyPolicies"
-    ] = serializeAws_json1_1PlayerLatencyPolicyList(
-      input.PlayerLatencyPolicies,
-      context
-    );
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagList(input.Tags, context);
-  }
-  if (input.TimeoutInSeconds !== undefined) {
-    bodyParams["TimeoutInSeconds"] = input.TimeoutInSeconds;
-  }
-  return bodyParams;
+  return {
+    ...(input.Destinations !== undefined && {
+      Destinations: serializeAws_json1_1GameSessionQueueDestinationList(
+        input.Destinations,
+        context
+      )
+    }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.PlayerLatencyPolicies !== undefined && {
+      PlayerLatencyPolicies: serializeAws_json1_1PlayerLatencyPolicyList(
+        input.PlayerLatencyPolicies,
+        context
+      )
+    }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagList(input.Tags, context)
+    }),
+    ...(input.TimeoutInSeconds !== undefined && {
+      TimeoutInSeconds: input.TimeoutInSeconds
+    })
+  };
 };
 
 const serializeAws_json1_1CreateMatchmakingConfigurationInput = (
   input: CreateMatchmakingConfigurationInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AcceptanceRequired !== undefined) {
-    bodyParams["AcceptanceRequired"] = input.AcceptanceRequired;
-  }
-  if (input.AcceptanceTimeoutSeconds !== undefined) {
-    bodyParams["AcceptanceTimeoutSeconds"] = input.AcceptanceTimeoutSeconds;
-  }
-  if (input.AdditionalPlayerCount !== undefined) {
-    bodyParams["AdditionalPlayerCount"] = input.AdditionalPlayerCount;
-  }
-  if (input.BackfillMode !== undefined) {
-    bodyParams["BackfillMode"] = input.BackfillMode;
-  }
-  if (input.CustomEventData !== undefined) {
-    bodyParams["CustomEventData"] = input.CustomEventData;
-  }
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.GameProperties !== undefined) {
-    bodyParams["GameProperties"] = serializeAws_json1_1GamePropertyList(
-      input.GameProperties,
-      context
-    );
-  }
-  if (input.GameSessionData !== undefined) {
-    bodyParams["GameSessionData"] = input.GameSessionData;
-  }
-  if (input.GameSessionQueueArns !== undefined) {
-    bodyParams["GameSessionQueueArns"] = serializeAws_json1_1QueueArnsList(
-      input.GameSessionQueueArns,
-      context
-    );
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.NotificationTarget !== undefined) {
-    bodyParams["NotificationTarget"] = input.NotificationTarget;
-  }
-  if (input.RequestTimeoutSeconds !== undefined) {
-    bodyParams["RequestTimeoutSeconds"] = input.RequestTimeoutSeconds;
-  }
-  if (input.RuleSetName !== undefined) {
-    bodyParams["RuleSetName"] = input.RuleSetName;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagList(input.Tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.AcceptanceRequired !== undefined && {
+      AcceptanceRequired: input.AcceptanceRequired
+    }),
+    ...(input.AcceptanceTimeoutSeconds !== undefined && {
+      AcceptanceTimeoutSeconds: input.AcceptanceTimeoutSeconds
+    }),
+    ...(input.AdditionalPlayerCount !== undefined && {
+      AdditionalPlayerCount: input.AdditionalPlayerCount
+    }),
+    ...(input.BackfillMode !== undefined && {
+      BackfillMode: input.BackfillMode
+    }),
+    ...(input.CustomEventData !== undefined && {
+      CustomEventData: input.CustomEventData
+    }),
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.GameProperties !== undefined && {
+      GameProperties: serializeAws_json1_1GamePropertyList(
+        input.GameProperties,
+        context
+      )
+    }),
+    ...(input.GameSessionData !== undefined && {
+      GameSessionData: input.GameSessionData
+    }),
+    ...(input.GameSessionQueueArns !== undefined && {
+      GameSessionQueueArns: serializeAws_json1_1QueueArnsList(
+        input.GameSessionQueueArns,
+        context
+      )
+    }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.NotificationTarget !== undefined && {
+      NotificationTarget: input.NotificationTarget
+    }),
+    ...(input.RequestTimeoutSeconds !== undefined && {
+      RequestTimeoutSeconds: input.RequestTimeoutSeconds
+    }),
+    ...(input.RuleSetName !== undefined && { RuleSetName: input.RuleSetName }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagList(input.Tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1CreateMatchmakingRuleSetInput = (
   input: CreateMatchmakingRuleSetInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.RuleSetBody !== undefined) {
-    bodyParams["RuleSetBody"] = input.RuleSetBody;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagList(input.Tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.RuleSetBody !== undefined && { RuleSetBody: input.RuleSetBody }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagList(input.Tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1CreatePlayerSessionInput = (
   input: CreatePlayerSessionInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.GameSessionId !== undefined) {
-    bodyParams["GameSessionId"] = input.GameSessionId;
-  }
-  if (input.PlayerData !== undefined) {
-    bodyParams["PlayerData"] = input.PlayerData;
-  }
-  if (input.PlayerId !== undefined) {
-    bodyParams["PlayerId"] = input.PlayerId;
-  }
-  return bodyParams;
+  return {
+    ...(input.GameSessionId !== undefined && {
+      GameSessionId: input.GameSessionId
+    }),
+    ...(input.PlayerData !== undefined && { PlayerData: input.PlayerData }),
+    ...(input.PlayerId !== undefined && { PlayerId: input.PlayerId })
+  };
 };
 
 const serializeAws_json1_1CreatePlayerSessionsInput = (
   input: CreatePlayerSessionsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.GameSessionId !== undefined) {
-    bodyParams["GameSessionId"] = input.GameSessionId;
-  }
-  if (input.PlayerDataMap !== undefined) {
-    bodyParams["PlayerDataMap"] = serializeAws_json1_1PlayerDataMap(
-      input.PlayerDataMap,
-      context
-    );
-  }
-  if (input.PlayerIds !== undefined) {
-    bodyParams["PlayerIds"] = serializeAws_json1_1PlayerIdList(
-      input.PlayerIds,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.GameSessionId !== undefined && {
+      GameSessionId: input.GameSessionId
+    }),
+    ...(input.PlayerDataMap !== undefined && {
+      PlayerDataMap: serializeAws_json1_1PlayerDataMap(
+        input.PlayerDataMap,
+        context
+      )
+    }),
+    ...(input.PlayerIds !== undefined && {
+      PlayerIds: serializeAws_json1_1PlayerIdList(input.PlayerIds, context)
+    })
+  };
 };
 
 const serializeAws_json1_1CreateScriptInput = (
   input: CreateScriptInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.StorageLocation !== undefined) {
-    bodyParams["StorageLocation"] = serializeAws_json1_1S3Location(
-      input.StorageLocation,
-      context
-    );
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagList(input.Tags, context);
-  }
-  if (input.Version !== undefined) {
-    bodyParams["Version"] = input.Version;
-  }
-  if (input.ZipFile !== undefined) {
-    bodyParams["ZipFile"] = context.base64Encoder(input.ZipFile);
-  }
-  return bodyParams;
+  return {
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.StorageLocation !== undefined && {
+      StorageLocation: serializeAws_json1_1S3Location(
+        input.StorageLocation,
+        context
+      )
+    }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagList(input.Tags, context)
+    }),
+    ...(input.Version !== undefined && { Version: input.Version }),
+    ...(input.ZipFile !== undefined && {
+      ZipFile: context.base64Encoder(input.ZipFile)
+    })
+  };
 };
 
 const serializeAws_json1_1CreateVpcPeeringAuthorizationInput = (
   input: CreateVpcPeeringAuthorizationInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.GameLiftAwsAccountId !== undefined) {
-    bodyParams["GameLiftAwsAccountId"] = input.GameLiftAwsAccountId;
-  }
-  if (input.PeerVpcId !== undefined) {
-    bodyParams["PeerVpcId"] = input.PeerVpcId;
-  }
-  return bodyParams;
+  return {
+    ...(input.GameLiftAwsAccountId !== undefined && {
+      GameLiftAwsAccountId: input.GameLiftAwsAccountId
+    }),
+    ...(input.PeerVpcId !== undefined && { PeerVpcId: input.PeerVpcId })
+  };
 };
 
 const serializeAws_json1_1CreateVpcPeeringConnectionInput = (
   input: CreateVpcPeeringConnectionInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.FleetId !== undefined) {
-    bodyParams["FleetId"] = input.FleetId;
-  }
-  if (input.PeerVpcAwsAccountId !== undefined) {
-    bodyParams["PeerVpcAwsAccountId"] = input.PeerVpcAwsAccountId;
-  }
-  if (input.PeerVpcId !== undefined) {
-    bodyParams["PeerVpcId"] = input.PeerVpcId;
-  }
-  return bodyParams;
+  return {
+    ...(input.FleetId !== undefined && { FleetId: input.FleetId }),
+    ...(input.PeerVpcAwsAccountId !== undefined && {
+      PeerVpcAwsAccountId: input.PeerVpcAwsAccountId
+    }),
+    ...(input.PeerVpcId !== undefined && { PeerVpcId: input.PeerVpcId })
+  };
 };
 
 const serializeAws_json1_1DeleteAliasInput = (
   input: DeleteAliasInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AliasId !== undefined) {
-    bodyParams["AliasId"] = input.AliasId;
-  }
-  return bodyParams;
+  return {
+    ...(input.AliasId !== undefined && { AliasId: input.AliasId })
+  };
 };
 
 const serializeAws_json1_1DeleteBuildInput = (
   input: DeleteBuildInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.BuildId !== undefined) {
-    bodyParams["BuildId"] = input.BuildId;
-  }
-  return bodyParams;
+  return {
+    ...(input.BuildId !== undefined && { BuildId: input.BuildId })
+  };
 };
 
 const serializeAws_json1_1DeleteFleetInput = (
   input: DeleteFleetInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.FleetId !== undefined) {
-    bodyParams["FleetId"] = input.FleetId;
-  }
-  return bodyParams;
+  return {
+    ...(input.FleetId !== undefined && { FleetId: input.FleetId })
+  };
 };
 
 const serializeAws_json1_1DeleteGameSessionQueueInput = (
   input: DeleteGameSessionQueueInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1DeleteMatchmakingConfigurationInput = (
   input: DeleteMatchmakingConfigurationInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1DeleteMatchmakingRuleSetInput = (
   input: DeleteMatchmakingRuleSetInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1DeleteScalingPolicyInput = (
   input: DeleteScalingPolicyInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.FleetId !== undefined) {
-    bodyParams["FleetId"] = input.FleetId;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.FleetId !== undefined && { FleetId: input.FleetId }),
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1DeleteScriptInput = (
   input: DeleteScriptInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ScriptId !== undefined) {
-    bodyParams["ScriptId"] = input.ScriptId;
-  }
-  return bodyParams;
+  return {
+    ...(input.ScriptId !== undefined && { ScriptId: input.ScriptId })
+  };
 };
 
 const serializeAws_json1_1DeleteVpcPeeringAuthorizationInput = (
   input: DeleteVpcPeeringAuthorizationInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.GameLiftAwsAccountId !== undefined) {
-    bodyParams["GameLiftAwsAccountId"] = input.GameLiftAwsAccountId;
-  }
-  if (input.PeerVpcId !== undefined) {
-    bodyParams["PeerVpcId"] = input.PeerVpcId;
-  }
-  return bodyParams;
+  return {
+    ...(input.GameLiftAwsAccountId !== undefined && {
+      GameLiftAwsAccountId: input.GameLiftAwsAccountId
+    }),
+    ...(input.PeerVpcId !== undefined && { PeerVpcId: input.PeerVpcId })
+  };
 };
 
 const serializeAws_json1_1DeleteVpcPeeringConnectionInput = (
   input: DeleteVpcPeeringConnectionInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.FleetId !== undefined) {
-    bodyParams["FleetId"] = input.FleetId;
-  }
-  if (input.VpcPeeringConnectionId !== undefined) {
-    bodyParams["VpcPeeringConnectionId"] = input.VpcPeeringConnectionId;
-  }
-  return bodyParams;
+  return {
+    ...(input.FleetId !== undefined && { FleetId: input.FleetId }),
+    ...(input.VpcPeeringConnectionId !== undefined && {
+      VpcPeeringConnectionId: input.VpcPeeringConnectionId
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeAliasInput = (
   input: DescribeAliasInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AliasId !== undefined) {
-    bodyParams["AliasId"] = input.AliasId;
-  }
-  return bodyParams;
+  return {
+    ...(input.AliasId !== undefined && { AliasId: input.AliasId })
+  };
 };
 
 const serializeAws_json1_1DescribeBuildInput = (
   input: DescribeBuildInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.BuildId !== undefined) {
-    bodyParams["BuildId"] = input.BuildId;
-  }
-  return bodyParams;
+  return {
+    ...(input.BuildId !== undefined && { BuildId: input.BuildId })
+  };
 };
 
 const serializeAws_json1_1DescribeEC2InstanceLimitsInput = (
   input: DescribeEC2InstanceLimitsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EC2InstanceType !== undefined) {
-    bodyParams["EC2InstanceType"] = input.EC2InstanceType;
-  }
-  return bodyParams;
+  return {
+    ...(input.EC2InstanceType !== undefined && {
+      EC2InstanceType: input.EC2InstanceType
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeFleetAttributesInput = (
   input: DescribeFleetAttributesInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.FleetIds !== undefined) {
-    bodyParams["FleetIds"] = serializeAws_json1_1FleetIdList(
-      input.FleetIds,
-      context
-    );
-  }
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.FleetIds !== undefined && {
+      FleetIds: serializeAws_json1_1FleetIdList(input.FleetIds, context)
+    }),
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1DescribeFleetCapacityInput = (
   input: DescribeFleetCapacityInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.FleetIds !== undefined) {
-    bodyParams["FleetIds"] = serializeAws_json1_1FleetIdList(
-      input.FleetIds,
-      context
-    );
-  }
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.FleetIds !== undefined && {
+      FleetIds: serializeAws_json1_1FleetIdList(input.FleetIds, context)
+    }),
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1DescribeFleetEventsInput = (
   input: DescribeFleetEventsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EndTime !== undefined) {
-    bodyParams["EndTime"] = Math.round(input.EndTime.getTime() / 1000);
-  }
-  if (input.FleetId !== undefined) {
-    bodyParams["FleetId"] = input.FleetId;
-  }
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.StartTime !== undefined) {
-    bodyParams["StartTime"] = Math.round(input.StartTime.getTime() / 1000);
-  }
-  return bodyParams;
+  return {
+    ...(input.EndTime !== undefined && {
+      EndTime: Math.round(input.EndTime.getTime() / 1000)
+    }),
+    ...(input.FleetId !== undefined && { FleetId: input.FleetId }),
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.StartTime !== undefined && {
+      StartTime: Math.round(input.StartTime.getTime() / 1000)
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeFleetPortSettingsInput = (
   input: DescribeFleetPortSettingsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.FleetId !== undefined) {
-    bodyParams["FleetId"] = input.FleetId;
-  }
-  return bodyParams;
+  return {
+    ...(input.FleetId !== undefined && { FleetId: input.FleetId })
+  };
 };
 
 const serializeAws_json1_1DescribeFleetUtilizationInput = (
   input: DescribeFleetUtilizationInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.FleetIds !== undefined) {
-    bodyParams["FleetIds"] = serializeAws_json1_1FleetIdList(
-      input.FleetIds,
-      context
-    );
-  }
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.FleetIds !== undefined && {
+      FleetIds: serializeAws_json1_1FleetIdList(input.FleetIds, context)
+    }),
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1DescribeGameSessionDetailsInput = (
   input: DescribeGameSessionDetailsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AliasId !== undefined) {
-    bodyParams["AliasId"] = input.AliasId;
-  }
-  if (input.FleetId !== undefined) {
-    bodyParams["FleetId"] = input.FleetId;
-  }
-  if (input.GameSessionId !== undefined) {
-    bodyParams["GameSessionId"] = input.GameSessionId;
-  }
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.StatusFilter !== undefined) {
-    bodyParams["StatusFilter"] = input.StatusFilter;
-  }
-  return bodyParams;
+  return {
+    ...(input.AliasId !== undefined && { AliasId: input.AliasId }),
+    ...(input.FleetId !== undefined && { FleetId: input.FleetId }),
+    ...(input.GameSessionId !== undefined && {
+      GameSessionId: input.GameSessionId
+    }),
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.StatusFilter !== undefined && {
+      StatusFilter: input.StatusFilter
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeGameSessionPlacementInput = (
   input: DescribeGameSessionPlacementInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.PlacementId !== undefined) {
-    bodyParams["PlacementId"] = input.PlacementId;
-  }
-  return bodyParams;
+  return {
+    ...(input.PlacementId !== undefined && { PlacementId: input.PlacementId })
+  };
 };
 
 const serializeAws_json1_1DescribeGameSessionQueuesInput = (
   input: DescribeGameSessionQueuesInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.Names !== undefined) {
-    bodyParams["Names"] = serializeAws_json1_1GameSessionQueueNameList(
-      input.Names,
-      context
-    );
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.Names !== undefined && {
+      Names: serializeAws_json1_1GameSessionQueueNameList(input.Names, context)
+    }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1DescribeGameSessionsInput = (
   input: DescribeGameSessionsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AliasId !== undefined) {
-    bodyParams["AliasId"] = input.AliasId;
-  }
-  if (input.FleetId !== undefined) {
-    bodyParams["FleetId"] = input.FleetId;
-  }
-  if (input.GameSessionId !== undefined) {
-    bodyParams["GameSessionId"] = input.GameSessionId;
-  }
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.StatusFilter !== undefined) {
-    bodyParams["StatusFilter"] = input.StatusFilter;
-  }
-  return bodyParams;
+  return {
+    ...(input.AliasId !== undefined && { AliasId: input.AliasId }),
+    ...(input.FleetId !== undefined && { FleetId: input.FleetId }),
+    ...(input.GameSessionId !== undefined && {
+      GameSessionId: input.GameSessionId
+    }),
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.StatusFilter !== undefined && {
+      StatusFilter: input.StatusFilter
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeInstancesInput = (
   input: DescribeInstancesInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.FleetId !== undefined) {
-    bodyParams["FleetId"] = input.FleetId;
-  }
-  if (input.InstanceId !== undefined) {
-    bodyParams["InstanceId"] = input.InstanceId;
-  }
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.FleetId !== undefined && { FleetId: input.FleetId }),
+    ...(input.InstanceId !== undefined && { InstanceId: input.InstanceId }),
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1DescribeMatchmakingConfigurationsInput = (
   input: DescribeMatchmakingConfigurationsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.Names !== undefined) {
-    bodyParams["Names"] = serializeAws_json1_1MatchmakingConfigurationNameList(
-      input.Names,
-      context
-    );
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.RuleSetName !== undefined) {
-    bodyParams["RuleSetName"] = input.RuleSetName;
-  }
-  return bodyParams;
+  return {
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.Names !== undefined && {
+      Names: serializeAws_json1_1MatchmakingConfigurationNameList(
+        input.Names,
+        context
+      )
+    }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.RuleSetName !== undefined && { RuleSetName: input.RuleSetName })
+  };
 };
 
 const serializeAws_json1_1DescribeMatchmakingInput = (
   input: DescribeMatchmakingInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.TicketIds !== undefined) {
-    bodyParams["TicketIds"] = serializeAws_json1_1MatchmakingIdList(
-      input.TicketIds,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.TicketIds !== undefined && {
+      TicketIds: serializeAws_json1_1MatchmakingIdList(input.TicketIds, context)
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeMatchmakingRuleSetsInput = (
   input: DescribeMatchmakingRuleSetsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.Names !== undefined) {
-    bodyParams["Names"] = serializeAws_json1_1MatchmakingRuleSetNameList(
-      input.Names,
-      context
-    );
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.Names !== undefined && {
+      Names: serializeAws_json1_1MatchmakingRuleSetNameList(
+        input.Names,
+        context
+      )
+    }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1DescribePlayerSessionsInput = (
   input: DescribePlayerSessionsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.GameSessionId !== undefined) {
-    bodyParams["GameSessionId"] = input.GameSessionId;
-  }
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.PlayerId !== undefined) {
-    bodyParams["PlayerId"] = input.PlayerId;
-  }
-  if (input.PlayerSessionId !== undefined) {
-    bodyParams["PlayerSessionId"] = input.PlayerSessionId;
-  }
-  if (input.PlayerSessionStatusFilter !== undefined) {
-    bodyParams["PlayerSessionStatusFilter"] = input.PlayerSessionStatusFilter;
-  }
-  return bodyParams;
+  return {
+    ...(input.GameSessionId !== undefined && {
+      GameSessionId: input.GameSessionId
+    }),
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.PlayerId !== undefined && { PlayerId: input.PlayerId }),
+    ...(input.PlayerSessionId !== undefined && {
+      PlayerSessionId: input.PlayerSessionId
+    }),
+    ...(input.PlayerSessionStatusFilter !== undefined && {
+      PlayerSessionStatusFilter: input.PlayerSessionStatusFilter
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeRuntimeConfigurationInput = (
   input: DescribeRuntimeConfigurationInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.FleetId !== undefined) {
-    bodyParams["FleetId"] = input.FleetId;
-  }
-  return bodyParams;
+  return {
+    ...(input.FleetId !== undefined && { FleetId: input.FleetId })
+  };
 };
 
 const serializeAws_json1_1DescribeScalingPoliciesInput = (
   input: DescribeScalingPoliciesInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.FleetId !== undefined) {
-    bodyParams["FleetId"] = input.FleetId;
-  }
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.StatusFilter !== undefined) {
-    bodyParams["StatusFilter"] = input.StatusFilter;
-  }
-  return bodyParams;
+  return {
+    ...(input.FleetId !== undefined && { FleetId: input.FleetId }),
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.StatusFilter !== undefined && {
+      StatusFilter: input.StatusFilter
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeScriptInput = (
   input: DescribeScriptInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ScriptId !== undefined) {
-    bodyParams["ScriptId"] = input.ScriptId;
-  }
-  return bodyParams;
+  return {
+    ...(input.ScriptId !== undefined && { ScriptId: input.ScriptId })
+  };
 };
 
 const serializeAws_json1_1DescribeVpcPeeringAuthorizationsInput = (
   input: DescribeVpcPeeringAuthorizationsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  return bodyParams;
+  return {};
 };
 
 const serializeAws_json1_1DescribeVpcPeeringConnectionsInput = (
   input: DescribeVpcPeeringConnectionsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.FleetId !== undefined) {
-    bodyParams["FleetId"] = input.FleetId;
-  }
-  return bodyParams;
+  return {
+    ...(input.FleetId !== undefined && { FleetId: input.FleetId })
+  };
 };
 
 const serializeAws_json1_1DesiredPlayerSession = (
   input: DesiredPlayerSession,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.PlayerData !== undefined) {
-    bodyParams["PlayerData"] = input.PlayerData;
-  }
-  if (input.PlayerId !== undefined) {
-    bodyParams["PlayerId"] = input.PlayerId;
-  }
-  return bodyParams;
+  return {
+    ...(input.PlayerData !== undefined && { PlayerData: input.PlayerData }),
+    ...(input.PlayerId !== undefined && { PlayerId: input.PlayerId })
+  };
 };
 
 const serializeAws_json1_1DesiredPlayerSessionList = (
@@ -10516,14 +10312,10 @@ const serializeAws_json1_1GameProperty = (
   input: GameProperty,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Key !== undefined) {
-    bodyParams["Key"] = input.Key;
-  }
-  if (input.Value !== undefined) {
-    bodyParams["Value"] = input.Value;
-  }
-  return bodyParams;
+  return {
+    ...(input.Key !== undefined && { Key: input.Key }),
+    ...(input.Value !== undefined && { Value: input.Value })
+  };
 };
 
 const serializeAws_json1_1GamePropertyList = (
@@ -10537,11 +10329,11 @@ const serializeAws_json1_1GameSessionQueueDestination = (
   input: GameSessionQueueDestination,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DestinationArn !== undefined) {
-    bodyParams["DestinationArn"] = input.DestinationArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.DestinationArn !== undefined && {
+      DestinationArn: input.DestinationArn
+    })
+  };
 };
 
 const serializeAws_json1_1GameSessionQueueDestinationList = (
@@ -10564,45 +10356,33 @@ const serializeAws_json1_1GetGameSessionLogUrlInput = (
   input: GetGameSessionLogUrlInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.GameSessionId !== undefined) {
-    bodyParams["GameSessionId"] = input.GameSessionId;
-  }
-  return bodyParams;
+  return {
+    ...(input.GameSessionId !== undefined && {
+      GameSessionId: input.GameSessionId
+    })
+  };
 };
 
 const serializeAws_json1_1GetInstanceAccessInput = (
   input: GetInstanceAccessInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.FleetId !== undefined) {
-    bodyParams["FleetId"] = input.FleetId;
-  }
-  if (input.InstanceId !== undefined) {
-    bodyParams["InstanceId"] = input.InstanceId;
-  }
-  return bodyParams;
+  return {
+    ...(input.FleetId !== undefined && { FleetId: input.FleetId }),
+    ...(input.InstanceId !== undefined && { InstanceId: input.InstanceId })
+  };
 };
 
 const serializeAws_json1_1IpPermission = (
   input: IpPermission,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.FromPort !== undefined) {
-    bodyParams["FromPort"] = input.FromPort;
-  }
-  if (input.IpRange !== undefined) {
-    bodyParams["IpRange"] = input.IpRange;
-  }
-  if (input.Protocol !== undefined) {
-    bodyParams["Protocol"] = input.Protocol;
-  }
-  if (input.ToPort !== undefined) {
-    bodyParams["ToPort"] = input.ToPort;
-  }
-  return bodyParams;
+  return {
+    ...(input.FromPort !== undefined && { FromPort: input.FromPort }),
+    ...(input.IpRange !== undefined && { IpRange: input.IpRange }),
+    ...(input.Protocol !== undefined && { Protocol: input.Protocol }),
+    ...(input.ToPort !== undefined && { ToPort: input.ToPort })
+  };
 };
 
 const serializeAws_json1_1IpPermissionsList = (
@@ -10626,82 +10406,56 @@ const serializeAws_json1_1ListAliasesInput = (
   input: ListAliasesInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.RoutingStrategyType !== undefined) {
-    bodyParams["RoutingStrategyType"] = input.RoutingStrategyType;
-  }
-  return bodyParams;
+  return {
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.RoutingStrategyType !== undefined && {
+      RoutingStrategyType: input.RoutingStrategyType
+    })
+  };
 };
 
 const serializeAws_json1_1ListBuildsInput = (
   input: ListBuildsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.Status !== undefined) {
-    bodyParams["Status"] = input.Status;
-  }
-  return bodyParams;
+  return {
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.Status !== undefined && { Status: input.Status })
+  };
 };
 
 const serializeAws_json1_1ListFleetsInput = (
   input: ListFleetsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.BuildId !== undefined) {
-    bodyParams["BuildId"] = input.BuildId;
-  }
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.ScriptId !== undefined) {
-    bodyParams["ScriptId"] = input.ScriptId;
-  }
-  return bodyParams;
+  return {
+    ...(input.BuildId !== undefined && { BuildId: input.BuildId }),
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.ScriptId !== undefined && { ScriptId: input.ScriptId })
+  };
 };
 
 const serializeAws_json1_1ListScriptsInput = (
   input: ListScriptsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1ListTagsForResourceRequest = (
   input: ListTagsForResourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceARN !== undefined) {
-    bodyParams["ResourceARN"] = input.ResourceARN;
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceARN !== undefined && { ResourceARN: input.ResourceARN })
+  };
 };
 
 const serializeAws_json1_1MatchmakingConfigurationNameList = (
@@ -10736,26 +10490,19 @@ const serializeAws_json1_1Player = (
   input: Player,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.LatencyInMs !== undefined) {
-    bodyParams["LatencyInMs"] = serializeAws_json1_1LatencyMap(
-      input.LatencyInMs,
-      context
-    );
-  }
-  if (input.PlayerAttributes !== undefined) {
-    bodyParams["PlayerAttributes"] = serializeAws_json1_1PlayerAttributeMap(
-      input.PlayerAttributes,
-      context
-    );
-  }
-  if (input.PlayerId !== undefined) {
-    bodyParams["PlayerId"] = input.PlayerId;
-  }
-  if (input.Team !== undefined) {
-    bodyParams["Team"] = input.Team;
-  }
-  return bodyParams;
+  return {
+    ...(input.LatencyInMs !== undefined && {
+      LatencyInMs: serializeAws_json1_1LatencyMap(input.LatencyInMs, context)
+    }),
+    ...(input.PlayerAttributes !== undefined && {
+      PlayerAttributes: serializeAws_json1_1PlayerAttributeMap(
+        input.PlayerAttributes,
+        context
+      )
+    }),
+    ...(input.PlayerId !== undefined && { PlayerId: input.PlayerId }),
+    ...(input.Team !== undefined && { Team: input.Team })
+  };
 };
 
 const serializeAws_json1_1PlayerAttributeMap = (
@@ -10789,17 +10536,15 @@ const serializeAws_json1_1PlayerLatency = (
   input: PlayerLatency,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.LatencyInMilliseconds !== undefined) {
-    bodyParams["LatencyInMilliseconds"] = input.LatencyInMilliseconds;
-  }
-  if (input.PlayerId !== undefined) {
-    bodyParams["PlayerId"] = input.PlayerId;
-  }
-  if (input.RegionIdentifier !== undefined) {
-    bodyParams["RegionIdentifier"] = input.RegionIdentifier;
-  }
-  return bodyParams;
+  return {
+    ...(input.LatencyInMilliseconds !== undefined && {
+      LatencyInMilliseconds: input.LatencyInMilliseconds
+    }),
+    ...(input.PlayerId !== undefined && { PlayerId: input.PlayerId }),
+    ...(input.RegionIdentifier !== undefined && {
+      RegionIdentifier: input.RegionIdentifier
+    })
+  };
 };
 
 const serializeAws_json1_1PlayerLatencyList = (
@@ -10813,15 +10558,15 @@ const serializeAws_json1_1PlayerLatencyPolicy = (
   input: PlayerLatencyPolicy,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaximumIndividualPlayerLatencyMilliseconds !== undefined) {
-    bodyParams["MaximumIndividualPlayerLatencyMilliseconds"] =
-      input.MaximumIndividualPlayerLatencyMilliseconds;
-  }
-  if (input.PolicyDurationSeconds !== undefined) {
-    bodyParams["PolicyDurationSeconds"] = input.PolicyDurationSeconds;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaximumIndividualPlayerLatencyMilliseconds !== undefined && {
+      MaximumIndividualPlayerLatencyMilliseconds:
+        input.MaximumIndividualPlayerLatencyMilliseconds
+    }),
+    ...(input.PolicyDurationSeconds !== undefined && {
+      PolicyDurationSeconds: input.PolicyDurationSeconds
+    })
+  };
 };
 
 const serializeAws_json1_1PlayerLatencyPolicyList = (
@@ -10844,41 +10589,31 @@ const serializeAws_json1_1PutScalingPolicyInput = (
   input: PutScalingPolicyInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ComparisonOperator !== undefined) {
-    bodyParams["ComparisonOperator"] = input.ComparisonOperator;
-  }
-  if (input.EvaluationPeriods !== undefined) {
-    bodyParams["EvaluationPeriods"] = input.EvaluationPeriods;
-  }
-  if (input.FleetId !== undefined) {
-    bodyParams["FleetId"] = input.FleetId;
-  }
-  if (input.MetricName !== undefined) {
-    bodyParams["MetricName"] = input.MetricName;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.PolicyType !== undefined) {
-    bodyParams["PolicyType"] = input.PolicyType;
-  }
-  if (input.ScalingAdjustment !== undefined) {
-    bodyParams["ScalingAdjustment"] = input.ScalingAdjustment;
-  }
-  if (input.ScalingAdjustmentType !== undefined) {
-    bodyParams["ScalingAdjustmentType"] = input.ScalingAdjustmentType;
-  }
-  if (input.TargetConfiguration !== undefined) {
-    bodyParams["TargetConfiguration"] = serializeAws_json1_1TargetConfiguration(
-      input.TargetConfiguration,
-      context
-    );
-  }
-  if (input.Threshold !== undefined) {
-    bodyParams["Threshold"] = input.Threshold;
-  }
-  return bodyParams;
+  return {
+    ...(input.ComparisonOperator !== undefined && {
+      ComparisonOperator: input.ComparisonOperator
+    }),
+    ...(input.EvaluationPeriods !== undefined && {
+      EvaluationPeriods: input.EvaluationPeriods
+    }),
+    ...(input.FleetId !== undefined && { FleetId: input.FleetId }),
+    ...(input.MetricName !== undefined && { MetricName: input.MetricName }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.PolicyType !== undefined && { PolicyType: input.PolicyType }),
+    ...(input.ScalingAdjustment !== undefined && {
+      ScalingAdjustment: input.ScalingAdjustment
+    }),
+    ...(input.ScalingAdjustmentType !== undefined && {
+      ScalingAdjustmentType: input.ScalingAdjustmentType
+    }),
+    ...(input.TargetConfiguration !== undefined && {
+      TargetConfiguration: serializeAws_json1_1TargetConfiguration(
+        input.TargetConfiguration,
+        context
+      )
+    }),
+    ...(input.Threshold !== undefined && { Threshold: input.Threshold })
+  };
 };
 
 const serializeAws_json1_1QueueArnsList = (
@@ -10892,138 +10627,110 @@ const serializeAws_json1_1RequestUploadCredentialsInput = (
   input: RequestUploadCredentialsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.BuildId !== undefined) {
-    bodyParams["BuildId"] = input.BuildId;
-  }
-  return bodyParams;
+  return {
+    ...(input.BuildId !== undefined && { BuildId: input.BuildId })
+  };
 };
 
 const serializeAws_json1_1ResolveAliasInput = (
   input: ResolveAliasInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AliasId !== undefined) {
-    bodyParams["AliasId"] = input.AliasId;
-  }
-  return bodyParams;
+  return {
+    ...(input.AliasId !== undefined && { AliasId: input.AliasId })
+  };
 };
 
 const serializeAws_json1_1ResourceCreationLimitPolicy = (
   input: ResourceCreationLimitPolicy,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.NewGameSessionsPerCreator !== undefined) {
-    bodyParams["NewGameSessionsPerCreator"] = input.NewGameSessionsPerCreator;
-  }
-  if (input.PolicyPeriodInMinutes !== undefined) {
-    bodyParams["PolicyPeriodInMinutes"] = input.PolicyPeriodInMinutes;
-  }
-  return bodyParams;
+  return {
+    ...(input.NewGameSessionsPerCreator !== undefined && {
+      NewGameSessionsPerCreator: input.NewGameSessionsPerCreator
+    }),
+    ...(input.PolicyPeriodInMinutes !== undefined && {
+      PolicyPeriodInMinutes: input.PolicyPeriodInMinutes
+    })
+  };
 };
 
 const serializeAws_json1_1RoutingStrategy = (
   input: RoutingStrategy,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.FleetId !== undefined) {
-    bodyParams["FleetId"] = input.FleetId;
-  }
-  if (input.Message !== undefined) {
-    bodyParams["Message"] = input.Message;
-  }
-  if (input.Type !== undefined) {
-    bodyParams["Type"] = input.Type;
-  }
-  return bodyParams;
+  return {
+    ...(input.FleetId !== undefined && { FleetId: input.FleetId }),
+    ...(input.Message !== undefined && { Message: input.Message }),
+    ...(input.Type !== undefined && { Type: input.Type })
+  };
 };
 
 const serializeAws_json1_1RuntimeConfiguration = (
   input: RuntimeConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.GameSessionActivationTimeoutSeconds !== undefined) {
-    bodyParams["GameSessionActivationTimeoutSeconds"] =
-      input.GameSessionActivationTimeoutSeconds;
-  }
-  if (input.MaxConcurrentGameSessionActivations !== undefined) {
-    bodyParams["MaxConcurrentGameSessionActivations"] =
-      input.MaxConcurrentGameSessionActivations;
-  }
-  if (input.ServerProcesses !== undefined) {
-    bodyParams["ServerProcesses"] = serializeAws_json1_1ServerProcessList(
-      input.ServerProcesses,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.GameSessionActivationTimeoutSeconds !== undefined && {
+      GameSessionActivationTimeoutSeconds:
+        input.GameSessionActivationTimeoutSeconds
+    }),
+    ...(input.MaxConcurrentGameSessionActivations !== undefined && {
+      MaxConcurrentGameSessionActivations:
+        input.MaxConcurrentGameSessionActivations
+    }),
+    ...(input.ServerProcesses !== undefined && {
+      ServerProcesses: serializeAws_json1_1ServerProcessList(
+        input.ServerProcesses,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1S3Location = (
   input: S3Location,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Bucket !== undefined) {
-    bodyParams["Bucket"] = input.Bucket;
-  }
-  if (input.Key !== undefined) {
-    bodyParams["Key"] = input.Key;
-  }
-  if (input.ObjectVersion !== undefined) {
-    bodyParams["ObjectVersion"] = input.ObjectVersion;
-  }
-  if (input.RoleArn !== undefined) {
-    bodyParams["RoleArn"] = input.RoleArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.Bucket !== undefined && { Bucket: input.Bucket }),
+    ...(input.Key !== undefined && { Key: input.Key }),
+    ...(input.ObjectVersion !== undefined && {
+      ObjectVersion: input.ObjectVersion
+    }),
+    ...(input.RoleArn !== undefined && { RoleArn: input.RoleArn })
+  };
 };
 
 const serializeAws_json1_1SearchGameSessionsInput = (
   input: SearchGameSessionsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AliasId !== undefined) {
-    bodyParams["AliasId"] = input.AliasId;
-  }
-  if (input.FilterExpression !== undefined) {
-    bodyParams["FilterExpression"] = input.FilterExpression;
-  }
-  if (input.FleetId !== undefined) {
-    bodyParams["FleetId"] = input.FleetId;
-  }
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.SortExpression !== undefined) {
-    bodyParams["SortExpression"] = input.SortExpression;
-  }
-  return bodyParams;
+  return {
+    ...(input.AliasId !== undefined && { AliasId: input.AliasId }),
+    ...(input.FilterExpression !== undefined && {
+      FilterExpression: input.FilterExpression
+    }),
+    ...(input.FleetId !== undefined && { FleetId: input.FleetId }),
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.SortExpression !== undefined && {
+      SortExpression: input.SortExpression
+    })
+  };
 };
 
 const serializeAws_json1_1ServerProcess = (
   input: ServerProcess,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ConcurrentExecutions !== undefined) {
-    bodyParams["ConcurrentExecutions"] = input.ConcurrentExecutions;
-  }
-  if (input.LaunchPath !== undefined) {
-    bodyParams["LaunchPath"] = input.LaunchPath;
-  }
-  if (input.Parameters !== undefined) {
-    bodyParams["Parameters"] = input.Parameters;
-  }
-  return bodyParams;
+  return {
+    ...(input.ConcurrentExecutions !== undefined && {
+      ConcurrentExecutions: input.ConcurrentExecutions
+    }),
+    ...(input.LaunchPath !== undefined && { LaunchPath: input.LaunchPath }),
+    ...(input.Parameters !== undefined && { Parameters: input.Parameters })
+  };
 };
 
 const serializeAws_json1_1ServerProcessList = (
@@ -11037,142 +10744,114 @@ const serializeAws_json1_1StartFleetActionsInput = (
   input: StartFleetActionsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Actions !== undefined) {
-    bodyParams["Actions"] = serializeAws_json1_1FleetActionList(
-      input.Actions,
-      context
-    );
-  }
-  if (input.FleetId !== undefined) {
-    bodyParams["FleetId"] = input.FleetId;
-  }
-  return bodyParams;
+  return {
+    ...(input.Actions !== undefined && {
+      Actions: serializeAws_json1_1FleetActionList(input.Actions, context)
+    }),
+    ...(input.FleetId !== undefined && { FleetId: input.FleetId })
+  };
 };
 
 const serializeAws_json1_1StartGameSessionPlacementInput = (
   input: StartGameSessionPlacementInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DesiredPlayerSessions !== undefined) {
-    bodyParams[
-      "DesiredPlayerSessions"
-    ] = serializeAws_json1_1DesiredPlayerSessionList(
-      input.DesiredPlayerSessions,
-      context
-    );
-  }
-  if (input.GameProperties !== undefined) {
-    bodyParams["GameProperties"] = serializeAws_json1_1GamePropertyList(
-      input.GameProperties,
-      context
-    );
-  }
-  if (input.GameSessionData !== undefined) {
-    bodyParams["GameSessionData"] = input.GameSessionData;
-  }
-  if (input.GameSessionName !== undefined) {
-    bodyParams["GameSessionName"] = input.GameSessionName;
-  }
-  if (input.GameSessionQueueName !== undefined) {
-    bodyParams["GameSessionQueueName"] = input.GameSessionQueueName;
-  }
-  if (input.MaximumPlayerSessionCount !== undefined) {
-    bodyParams["MaximumPlayerSessionCount"] = input.MaximumPlayerSessionCount;
-  }
-  if (input.PlacementId !== undefined) {
-    bodyParams["PlacementId"] = input.PlacementId;
-  }
-  if (input.PlayerLatencies !== undefined) {
-    bodyParams["PlayerLatencies"] = serializeAws_json1_1PlayerLatencyList(
-      input.PlayerLatencies,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.DesiredPlayerSessions !== undefined && {
+      DesiredPlayerSessions: serializeAws_json1_1DesiredPlayerSessionList(
+        input.DesiredPlayerSessions,
+        context
+      )
+    }),
+    ...(input.GameProperties !== undefined && {
+      GameProperties: serializeAws_json1_1GamePropertyList(
+        input.GameProperties,
+        context
+      )
+    }),
+    ...(input.GameSessionData !== undefined && {
+      GameSessionData: input.GameSessionData
+    }),
+    ...(input.GameSessionName !== undefined && {
+      GameSessionName: input.GameSessionName
+    }),
+    ...(input.GameSessionQueueName !== undefined && {
+      GameSessionQueueName: input.GameSessionQueueName
+    }),
+    ...(input.MaximumPlayerSessionCount !== undefined && {
+      MaximumPlayerSessionCount: input.MaximumPlayerSessionCount
+    }),
+    ...(input.PlacementId !== undefined && { PlacementId: input.PlacementId }),
+    ...(input.PlayerLatencies !== undefined && {
+      PlayerLatencies: serializeAws_json1_1PlayerLatencyList(
+        input.PlayerLatencies,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1StartMatchBackfillInput = (
   input: StartMatchBackfillInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ConfigurationName !== undefined) {
-    bodyParams["ConfigurationName"] = input.ConfigurationName;
-  }
-  if (input.GameSessionArn !== undefined) {
-    bodyParams["GameSessionArn"] = input.GameSessionArn;
-  }
-  if (input.Players !== undefined) {
-    bodyParams["Players"] = serializeAws_json1_1PlayerList(
-      input.Players,
-      context
-    );
-  }
-  if (input.TicketId !== undefined) {
-    bodyParams["TicketId"] = input.TicketId;
-  }
-  return bodyParams;
+  return {
+    ...(input.ConfigurationName !== undefined && {
+      ConfigurationName: input.ConfigurationName
+    }),
+    ...(input.GameSessionArn !== undefined && {
+      GameSessionArn: input.GameSessionArn
+    }),
+    ...(input.Players !== undefined && {
+      Players: serializeAws_json1_1PlayerList(input.Players, context)
+    }),
+    ...(input.TicketId !== undefined && { TicketId: input.TicketId })
+  };
 };
 
 const serializeAws_json1_1StartMatchmakingInput = (
   input: StartMatchmakingInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ConfigurationName !== undefined) {
-    bodyParams["ConfigurationName"] = input.ConfigurationName;
-  }
-  if (input.Players !== undefined) {
-    bodyParams["Players"] = serializeAws_json1_1PlayerList(
-      input.Players,
-      context
-    );
-  }
-  if (input.TicketId !== undefined) {
-    bodyParams["TicketId"] = input.TicketId;
-  }
-  return bodyParams;
+  return {
+    ...(input.ConfigurationName !== undefined && {
+      ConfigurationName: input.ConfigurationName
+    }),
+    ...(input.Players !== undefined && {
+      Players: serializeAws_json1_1PlayerList(input.Players, context)
+    }),
+    ...(input.TicketId !== undefined && { TicketId: input.TicketId })
+  };
 };
 
 const serializeAws_json1_1StopFleetActionsInput = (
   input: StopFleetActionsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Actions !== undefined) {
-    bodyParams["Actions"] = serializeAws_json1_1FleetActionList(
-      input.Actions,
-      context
-    );
-  }
-  if (input.FleetId !== undefined) {
-    bodyParams["FleetId"] = input.FleetId;
-  }
-  return bodyParams;
+  return {
+    ...(input.Actions !== undefined && {
+      Actions: serializeAws_json1_1FleetActionList(input.Actions, context)
+    }),
+    ...(input.FleetId !== undefined && { FleetId: input.FleetId })
+  };
 };
 
 const serializeAws_json1_1StopGameSessionPlacementInput = (
   input: StopGameSessionPlacementInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.PlacementId !== undefined) {
-    bodyParams["PlacementId"] = input.PlacementId;
-  }
-  return bodyParams;
+  return {
+    ...(input.PlacementId !== undefined && { PlacementId: input.PlacementId })
+  };
 };
 
 const serializeAws_json1_1StopMatchmakingInput = (
   input: StopMatchmakingInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.TicketId !== undefined) {
-    bodyParams["TicketId"] = input.TicketId;
-  }
-  return bodyParams;
+  return {
+    ...(input.TicketId !== undefined && { TicketId: input.TicketId })
+  };
 };
 
 const serializeAws_json1_1StringDoubleMap = (
@@ -11193,14 +10872,10 @@ const serializeAws_json1_1StringList = (
 };
 
 const serializeAws_json1_1Tag = (input: Tag, context: __SerdeContext): any => {
-  const bodyParams: any = {};
-  if (input.Key !== undefined) {
-    bodyParams["Key"] = input.Key;
-  }
-  if (input.Value !== undefined) {
-    bodyParams["Value"] = input.Value;
-  }
-  return bodyParams;
+  return {
+    ...(input.Key !== undefined && { Key: input.Key }),
+    ...(input.Value !== undefined && { Value: input.Value })
+  };
 };
 
 const serializeAws_json1_1TagKeyList = (
@@ -11221,327 +10896,258 @@ const serializeAws_json1_1TagResourceRequest = (
   input: TagResourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceARN !== undefined) {
-    bodyParams["ResourceARN"] = input.ResourceARN;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagList(input.Tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceARN !== undefined && { ResourceARN: input.ResourceARN }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagList(input.Tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1TargetConfiguration = (
   input: TargetConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.TargetValue !== undefined) {
-    bodyParams["TargetValue"] = input.TargetValue;
-  }
-  return bodyParams;
+  return {
+    ...(input.TargetValue !== undefined && { TargetValue: input.TargetValue })
+  };
 };
 
 const serializeAws_json1_1UntagResourceRequest = (
   input: UntagResourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceARN !== undefined) {
-    bodyParams["ResourceARN"] = input.ResourceARN;
-  }
-  if (input.TagKeys !== undefined) {
-    bodyParams["TagKeys"] = serializeAws_json1_1TagKeyList(
-      input.TagKeys,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceARN !== undefined && { ResourceARN: input.ResourceARN }),
+    ...(input.TagKeys !== undefined && {
+      TagKeys: serializeAws_json1_1TagKeyList(input.TagKeys, context)
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateAliasInput = (
   input: UpdateAliasInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AliasId !== undefined) {
-    bodyParams["AliasId"] = input.AliasId;
-  }
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.RoutingStrategy !== undefined) {
-    bodyParams["RoutingStrategy"] = serializeAws_json1_1RoutingStrategy(
-      input.RoutingStrategy,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.AliasId !== undefined && { AliasId: input.AliasId }),
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.RoutingStrategy !== undefined && {
+      RoutingStrategy: serializeAws_json1_1RoutingStrategy(
+        input.RoutingStrategy,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateBuildInput = (
   input: UpdateBuildInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.BuildId !== undefined) {
-    bodyParams["BuildId"] = input.BuildId;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.Version !== undefined) {
-    bodyParams["Version"] = input.Version;
-  }
-  return bodyParams;
+  return {
+    ...(input.BuildId !== undefined && { BuildId: input.BuildId }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.Version !== undefined && { Version: input.Version })
+  };
 };
 
 const serializeAws_json1_1UpdateFleetAttributesInput = (
   input: UpdateFleetAttributesInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.FleetId !== undefined) {
-    bodyParams["FleetId"] = input.FleetId;
-  }
-  if (input.MetricGroups !== undefined) {
-    bodyParams["MetricGroups"] = serializeAws_json1_1MetricGroupList(
-      input.MetricGroups,
-      context
-    );
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.NewGameSessionProtectionPolicy !== undefined) {
-    bodyParams["NewGameSessionProtectionPolicy"] =
-      input.NewGameSessionProtectionPolicy;
-  }
-  if (input.ResourceCreationLimitPolicy !== undefined) {
-    bodyParams[
-      "ResourceCreationLimitPolicy"
-    ] = serializeAws_json1_1ResourceCreationLimitPolicy(
-      input.ResourceCreationLimitPolicy,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.FleetId !== undefined && { FleetId: input.FleetId }),
+    ...(input.MetricGroups !== undefined && {
+      MetricGroups: serializeAws_json1_1MetricGroupList(
+        input.MetricGroups,
+        context
+      )
+    }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.NewGameSessionProtectionPolicy !== undefined && {
+      NewGameSessionProtectionPolicy: input.NewGameSessionProtectionPolicy
+    }),
+    ...(input.ResourceCreationLimitPolicy !== undefined && {
+      ResourceCreationLimitPolicy: serializeAws_json1_1ResourceCreationLimitPolicy(
+        input.ResourceCreationLimitPolicy,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateFleetCapacityInput = (
   input: UpdateFleetCapacityInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DesiredInstances !== undefined) {
-    bodyParams["DesiredInstances"] = input.DesiredInstances;
-  }
-  if (input.FleetId !== undefined) {
-    bodyParams["FleetId"] = input.FleetId;
-  }
-  if (input.MaxSize !== undefined) {
-    bodyParams["MaxSize"] = input.MaxSize;
-  }
-  if (input.MinSize !== undefined) {
-    bodyParams["MinSize"] = input.MinSize;
-  }
-  return bodyParams;
+  return {
+    ...(input.DesiredInstances !== undefined && {
+      DesiredInstances: input.DesiredInstances
+    }),
+    ...(input.FleetId !== undefined && { FleetId: input.FleetId }),
+    ...(input.MaxSize !== undefined && { MaxSize: input.MaxSize }),
+    ...(input.MinSize !== undefined && { MinSize: input.MinSize })
+  };
 };
 
 const serializeAws_json1_1UpdateFleetPortSettingsInput = (
   input: UpdateFleetPortSettingsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.FleetId !== undefined) {
-    bodyParams["FleetId"] = input.FleetId;
-  }
-  if (input.InboundPermissionAuthorizations !== undefined) {
-    bodyParams[
-      "InboundPermissionAuthorizations"
-    ] = serializeAws_json1_1IpPermissionsList(
-      input.InboundPermissionAuthorizations,
-      context
-    );
-  }
-  if (input.InboundPermissionRevocations !== undefined) {
-    bodyParams[
-      "InboundPermissionRevocations"
-    ] = serializeAws_json1_1IpPermissionsList(
-      input.InboundPermissionRevocations,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.FleetId !== undefined && { FleetId: input.FleetId }),
+    ...(input.InboundPermissionAuthorizations !== undefined && {
+      InboundPermissionAuthorizations: serializeAws_json1_1IpPermissionsList(
+        input.InboundPermissionAuthorizations,
+        context
+      )
+    }),
+    ...(input.InboundPermissionRevocations !== undefined && {
+      InboundPermissionRevocations: serializeAws_json1_1IpPermissionsList(
+        input.InboundPermissionRevocations,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateGameSessionInput = (
   input: UpdateGameSessionInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.GameSessionId !== undefined) {
-    bodyParams["GameSessionId"] = input.GameSessionId;
-  }
-  if (input.MaximumPlayerSessionCount !== undefined) {
-    bodyParams["MaximumPlayerSessionCount"] = input.MaximumPlayerSessionCount;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.PlayerSessionCreationPolicy !== undefined) {
-    bodyParams["PlayerSessionCreationPolicy"] =
-      input.PlayerSessionCreationPolicy;
-  }
-  if (input.ProtectionPolicy !== undefined) {
-    bodyParams["ProtectionPolicy"] = input.ProtectionPolicy;
-  }
-  return bodyParams;
+  return {
+    ...(input.GameSessionId !== undefined && {
+      GameSessionId: input.GameSessionId
+    }),
+    ...(input.MaximumPlayerSessionCount !== undefined && {
+      MaximumPlayerSessionCount: input.MaximumPlayerSessionCount
+    }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.PlayerSessionCreationPolicy !== undefined && {
+      PlayerSessionCreationPolicy: input.PlayerSessionCreationPolicy
+    }),
+    ...(input.ProtectionPolicy !== undefined && {
+      ProtectionPolicy: input.ProtectionPolicy
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateGameSessionQueueInput = (
   input: UpdateGameSessionQueueInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Destinations !== undefined) {
-    bodyParams[
-      "Destinations"
-    ] = serializeAws_json1_1GameSessionQueueDestinationList(
-      input.Destinations,
-      context
-    );
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.PlayerLatencyPolicies !== undefined) {
-    bodyParams[
-      "PlayerLatencyPolicies"
-    ] = serializeAws_json1_1PlayerLatencyPolicyList(
-      input.PlayerLatencyPolicies,
-      context
-    );
-  }
-  if (input.TimeoutInSeconds !== undefined) {
-    bodyParams["TimeoutInSeconds"] = input.TimeoutInSeconds;
-  }
-  return bodyParams;
+  return {
+    ...(input.Destinations !== undefined && {
+      Destinations: serializeAws_json1_1GameSessionQueueDestinationList(
+        input.Destinations,
+        context
+      )
+    }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.PlayerLatencyPolicies !== undefined && {
+      PlayerLatencyPolicies: serializeAws_json1_1PlayerLatencyPolicyList(
+        input.PlayerLatencyPolicies,
+        context
+      )
+    }),
+    ...(input.TimeoutInSeconds !== undefined && {
+      TimeoutInSeconds: input.TimeoutInSeconds
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateMatchmakingConfigurationInput = (
   input: UpdateMatchmakingConfigurationInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AcceptanceRequired !== undefined) {
-    bodyParams["AcceptanceRequired"] = input.AcceptanceRequired;
-  }
-  if (input.AcceptanceTimeoutSeconds !== undefined) {
-    bodyParams["AcceptanceTimeoutSeconds"] = input.AcceptanceTimeoutSeconds;
-  }
-  if (input.AdditionalPlayerCount !== undefined) {
-    bodyParams["AdditionalPlayerCount"] = input.AdditionalPlayerCount;
-  }
-  if (input.BackfillMode !== undefined) {
-    bodyParams["BackfillMode"] = input.BackfillMode;
-  }
-  if (input.CustomEventData !== undefined) {
-    bodyParams["CustomEventData"] = input.CustomEventData;
-  }
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.GameProperties !== undefined) {
-    bodyParams["GameProperties"] = serializeAws_json1_1GamePropertyList(
-      input.GameProperties,
-      context
-    );
-  }
-  if (input.GameSessionData !== undefined) {
-    bodyParams["GameSessionData"] = input.GameSessionData;
-  }
-  if (input.GameSessionQueueArns !== undefined) {
-    bodyParams["GameSessionQueueArns"] = serializeAws_json1_1QueueArnsList(
-      input.GameSessionQueueArns,
-      context
-    );
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.NotificationTarget !== undefined) {
-    bodyParams["NotificationTarget"] = input.NotificationTarget;
-  }
-  if (input.RequestTimeoutSeconds !== undefined) {
-    bodyParams["RequestTimeoutSeconds"] = input.RequestTimeoutSeconds;
-  }
-  if (input.RuleSetName !== undefined) {
-    bodyParams["RuleSetName"] = input.RuleSetName;
-  }
-  return bodyParams;
+  return {
+    ...(input.AcceptanceRequired !== undefined && {
+      AcceptanceRequired: input.AcceptanceRequired
+    }),
+    ...(input.AcceptanceTimeoutSeconds !== undefined && {
+      AcceptanceTimeoutSeconds: input.AcceptanceTimeoutSeconds
+    }),
+    ...(input.AdditionalPlayerCount !== undefined && {
+      AdditionalPlayerCount: input.AdditionalPlayerCount
+    }),
+    ...(input.BackfillMode !== undefined && {
+      BackfillMode: input.BackfillMode
+    }),
+    ...(input.CustomEventData !== undefined && {
+      CustomEventData: input.CustomEventData
+    }),
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.GameProperties !== undefined && {
+      GameProperties: serializeAws_json1_1GamePropertyList(
+        input.GameProperties,
+        context
+      )
+    }),
+    ...(input.GameSessionData !== undefined && {
+      GameSessionData: input.GameSessionData
+    }),
+    ...(input.GameSessionQueueArns !== undefined && {
+      GameSessionQueueArns: serializeAws_json1_1QueueArnsList(
+        input.GameSessionQueueArns,
+        context
+      )
+    }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.NotificationTarget !== undefined && {
+      NotificationTarget: input.NotificationTarget
+    }),
+    ...(input.RequestTimeoutSeconds !== undefined && {
+      RequestTimeoutSeconds: input.RequestTimeoutSeconds
+    }),
+    ...(input.RuleSetName !== undefined && { RuleSetName: input.RuleSetName })
+  };
 };
 
 const serializeAws_json1_1UpdateRuntimeConfigurationInput = (
   input: UpdateRuntimeConfigurationInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.FleetId !== undefined) {
-    bodyParams["FleetId"] = input.FleetId;
-  }
-  if (input.RuntimeConfiguration !== undefined) {
-    bodyParams[
-      "RuntimeConfiguration"
-    ] = serializeAws_json1_1RuntimeConfiguration(
-      input.RuntimeConfiguration,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.FleetId !== undefined && { FleetId: input.FleetId }),
+    ...(input.RuntimeConfiguration !== undefined && {
+      RuntimeConfiguration: serializeAws_json1_1RuntimeConfiguration(
+        input.RuntimeConfiguration,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateScriptInput = (
   input: UpdateScriptInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.ScriptId !== undefined) {
-    bodyParams["ScriptId"] = input.ScriptId;
-  }
-  if (input.StorageLocation !== undefined) {
-    bodyParams["StorageLocation"] = serializeAws_json1_1S3Location(
-      input.StorageLocation,
-      context
-    );
-  }
-  if (input.Version !== undefined) {
-    bodyParams["Version"] = input.Version;
-  }
-  if (input.ZipFile !== undefined) {
-    bodyParams["ZipFile"] = context.base64Encoder(input.ZipFile);
-  }
-  return bodyParams;
+  return {
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.ScriptId !== undefined && { ScriptId: input.ScriptId }),
+    ...(input.StorageLocation !== undefined && {
+      StorageLocation: serializeAws_json1_1S3Location(
+        input.StorageLocation,
+        context
+      )
+    }),
+    ...(input.Version !== undefined && { Version: input.Version }),
+    ...(input.ZipFile !== undefined && {
+      ZipFile: context.base64Encoder(input.ZipFile)
+    })
+  };
 };
 
 const serializeAws_json1_1ValidateMatchmakingRuleSetInput = (
   input: ValidateMatchmakingRuleSetInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.RuleSetBody !== undefined) {
-    bodyParams["RuleSetBody"] = input.RuleSetBody;
-  }
-  return bodyParams;
+  return {
+    ...(input.RuleSetBody !== undefined && { RuleSetBody: input.RuleSetBody })
+  };
 };
 
 const deserializeAws_json1_1AcceptMatchOutput = (
diff --git a/clients/client-glacier/protocols/Aws_restJson1_1.ts b/clients/client-glacier/protocols/Aws_restJson1_1.ts
index 3197eed53ba6..e63c51ca8292 100644
--- a/clients/client-glacier/protocols/Aws_restJson1_1.ts
+++ b/clients/client-glacier/protocols/Aws_restJson1_1.ts
@@ -5326,215 +5326,171 @@ const serializeAws_restJson1_1CSVInput = (
   input: CSVInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Comments !== undefined) {
-    bodyParams["Comments"] = input.Comments;
-  }
-  if (input.FieldDelimiter !== undefined) {
-    bodyParams["FieldDelimiter"] = input.FieldDelimiter;
-  }
-  if (input.FileHeaderInfo !== undefined) {
-    bodyParams["FileHeaderInfo"] = input.FileHeaderInfo;
-  }
-  if (input.QuoteCharacter !== undefined) {
-    bodyParams["QuoteCharacter"] = input.QuoteCharacter;
-  }
-  if (input.QuoteEscapeCharacter !== undefined) {
-    bodyParams["QuoteEscapeCharacter"] = input.QuoteEscapeCharacter;
-  }
-  if (input.RecordDelimiter !== undefined) {
-    bodyParams["RecordDelimiter"] = input.RecordDelimiter;
-  }
-  return bodyParams;
+  return {
+    ...(input.Comments !== undefined && { Comments: input.Comments }),
+    ...(input.FieldDelimiter !== undefined && {
+      FieldDelimiter: input.FieldDelimiter
+    }),
+    ...(input.FileHeaderInfo !== undefined && {
+      FileHeaderInfo: input.FileHeaderInfo
+    }),
+    ...(input.QuoteCharacter !== undefined && {
+      QuoteCharacter: input.QuoteCharacter
+    }),
+    ...(input.QuoteEscapeCharacter !== undefined && {
+      QuoteEscapeCharacter: input.QuoteEscapeCharacter
+    }),
+    ...(input.RecordDelimiter !== undefined && {
+      RecordDelimiter: input.RecordDelimiter
+    })
+  };
 };
 
 const serializeAws_restJson1_1CSVOutput = (
   input: CSVOutput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.FieldDelimiter !== undefined) {
-    bodyParams["FieldDelimiter"] = input.FieldDelimiter;
-  }
-  if (input.QuoteCharacter !== undefined) {
-    bodyParams["QuoteCharacter"] = input.QuoteCharacter;
-  }
-  if (input.QuoteEscapeCharacter !== undefined) {
-    bodyParams["QuoteEscapeCharacter"] = input.QuoteEscapeCharacter;
-  }
-  if (input.QuoteFields !== undefined) {
-    bodyParams["QuoteFields"] = input.QuoteFields;
-  }
-  if (input.RecordDelimiter !== undefined) {
-    bodyParams["RecordDelimiter"] = input.RecordDelimiter;
-  }
-  return bodyParams;
+  return {
+    ...(input.FieldDelimiter !== undefined && {
+      FieldDelimiter: input.FieldDelimiter
+    }),
+    ...(input.QuoteCharacter !== undefined && {
+      QuoteCharacter: input.QuoteCharacter
+    }),
+    ...(input.QuoteEscapeCharacter !== undefined && {
+      QuoteEscapeCharacter: input.QuoteEscapeCharacter
+    }),
+    ...(input.QuoteFields !== undefined && { QuoteFields: input.QuoteFields }),
+    ...(input.RecordDelimiter !== undefined && {
+      RecordDelimiter: input.RecordDelimiter
+    })
+  };
 };
 
 const serializeAws_restJson1_1Encryption = (
   input: Encryption,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EncryptionType !== undefined) {
-    bodyParams["EncryptionType"] = input.EncryptionType;
-  }
-  if (input.KMSContext !== undefined) {
-    bodyParams["KMSContext"] = input.KMSContext;
-  }
-  if (input.KMSKeyId !== undefined) {
-    bodyParams["KMSKeyId"] = input.KMSKeyId;
-  }
-  return bodyParams;
+  return {
+    ...(input.EncryptionType !== undefined && {
+      EncryptionType: input.EncryptionType
+    }),
+    ...(input.KMSContext !== undefined && { KMSContext: input.KMSContext }),
+    ...(input.KMSKeyId !== undefined && { KMSKeyId: input.KMSKeyId })
+  };
 };
 
 const serializeAws_restJson1_1Grant = (
   input: Grant,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Grantee !== undefined) {
-    bodyParams["Grantee"] = serializeAws_restJson1_1Grantee(
-      input.Grantee,
-      context
-    );
-  }
-  if (input.Permission !== undefined) {
-    bodyParams["Permission"] = input.Permission;
-  }
-  return bodyParams;
+  return {
+    ...(input.Grantee !== undefined && {
+      Grantee: serializeAws_restJson1_1Grantee(input.Grantee, context)
+    }),
+    ...(input.Permission !== undefined && { Permission: input.Permission })
+  };
 };
 
 const serializeAws_restJson1_1Grantee = (
   input: Grantee,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DisplayName !== undefined) {
-    bodyParams["DisplayName"] = input.DisplayName;
-  }
-  if (input.EmailAddress !== undefined) {
-    bodyParams["EmailAddress"] = input.EmailAddress;
-  }
-  if (input.ID !== undefined) {
-    bodyParams["ID"] = input.ID;
-  }
-  if (input.Type !== undefined) {
-    bodyParams["Type"] = input.Type;
-  }
-  if (input.URI !== undefined) {
-    bodyParams["URI"] = input.URI;
-  }
-  return bodyParams;
+  return {
+    ...(input.DisplayName !== undefined && { DisplayName: input.DisplayName }),
+    ...(input.EmailAddress !== undefined && {
+      EmailAddress: input.EmailAddress
+    }),
+    ...(input.ID !== undefined && { ID: input.ID }),
+    ...(input.Type !== undefined && { Type: input.Type }),
+    ...(input.URI !== undefined && { URI: input.URI })
+  };
 };
 
 const serializeAws_restJson1_1InputSerialization = (
   input: InputSerialization,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.csv !== undefined) {
-    bodyParams["csv"] = serializeAws_restJson1_1CSVInput(input.csv, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.csv !== undefined && {
+      csv: serializeAws_restJson1_1CSVInput(input.csv, context)
+    })
+  };
 };
 
 const serializeAws_restJson1_1OutputLocation = (
   input: OutputLocation,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.S3 !== undefined) {
-    bodyParams["S3"] = serializeAws_restJson1_1S3Location(input.S3, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.S3 !== undefined && {
+      S3: serializeAws_restJson1_1S3Location(input.S3, context)
+    })
+  };
 };
 
 const serializeAws_restJson1_1OutputSerialization = (
   input: OutputSerialization,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.csv !== undefined) {
-    bodyParams["csv"] = serializeAws_restJson1_1CSVOutput(input.csv, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.csv !== undefined && {
+      csv: serializeAws_restJson1_1CSVOutput(input.csv, context)
+    })
+  };
 };
 
 const serializeAws_restJson1_1S3Location = (
   input: S3Location,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AccessControlList !== undefined) {
-    bodyParams[
-      "AccessControlList"
-    ] = serializeAws_restJson1_1AccessControlPolicyList(
-      input.AccessControlList,
-      context
-    );
-  }
-  if (input.BucketName !== undefined) {
-    bodyParams["BucketName"] = input.BucketName;
-  }
-  if (input.CannedACL !== undefined) {
-    bodyParams["CannedACL"] = input.CannedACL;
-  }
-  if (input.Encryption !== undefined) {
-    bodyParams["Encryption"] = serializeAws_restJson1_1Encryption(
-      input.Encryption,
-      context
-    );
-  }
-  if (input.Prefix !== undefined) {
-    bodyParams["Prefix"] = input.Prefix;
-  }
-  if (input.StorageClass !== undefined) {
-    bodyParams["StorageClass"] = input.StorageClass;
-  }
-  if (input.Tagging !== undefined) {
-    bodyParams["Tagging"] = serializeAws_restJson1_1hashmap(
-      input.Tagging,
-      context
-    );
-  }
-  if (input.UserMetadata !== undefined) {
-    bodyParams["UserMetadata"] = serializeAws_restJson1_1hashmap(
-      input.UserMetadata,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.AccessControlList !== undefined && {
+      AccessControlList: serializeAws_restJson1_1AccessControlPolicyList(
+        input.AccessControlList,
+        context
+      )
+    }),
+    ...(input.BucketName !== undefined && { BucketName: input.BucketName }),
+    ...(input.CannedACL !== undefined && { CannedACL: input.CannedACL }),
+    ...(input.Encryption !== undefined && {
+      Encryption: serializeAws_restJson1_1Encryption(input.Encryption, context)
+    }),
+    ...(input.Prefix !== undefined && { Prefix: input.Prefix }),
+    ...(input.StorageClass !== undefined && {
+      StorageClass: input.StorageClass
+    }),
+    ...(input.Tagging !== undefined && {
+      Tagging: serializeAws_restJson1_1hashmap(input.Tagging, context)
+    }),
+    ...(input.UserMetadata !== undefined && {
+      UserMetadata: serializeAws_restJson1_1hashmap(input.UserMetadata, context)
+    })
+  };
 };
 
 const serializeAws_restJson1_1SelectParameters = (
   input: SelectParameters,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Expression !== undefined) {
-    bodyParams["Expression"] = input.Expression;
-  }
-  if (input.ExpressionType !== undefined) {
-    bodyParams["ExpressionType"] = input.ExpressionType;
-  }
-  if (input.InputSerialization !== undefined) {
-    bodyParams[
-      "InputSerialization"
-    ] = serializeAws_restJson1_1InputSerialization(
-      input.InputSerialization,
-      context
-    );
-  }
-  if (input.OutputSerialization !== undefined) {
-    bodyParams[
-      "OutputSerialization"
-    ] = serializeAws_restJson1_1OutputSerialization(
-      input.OutputSerialization,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Expression !== undefined && { Expression: input.Expression }),
+    ...(input.ExpressionType !== undefined && {
+      ExpressionType: input.ExpressionType
+    }),
+    ...(input.InputSerialization !== undefined && {
+      InputSerialization: serializeAws_restJson1_1InputSerialization(
+        input.InputSerialization,
+        context
+      )
+    }),
+    ...(input.OutputSerialization !== undefined && {
+      OutputSerialization: serializeAws_restJson1_1OutputSerialization(
+        input.OutputSerialization,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1hashmap = (
@@ -5551,28 +5507,26 @@ const serializeAws_restJson1_1DataRetrievalPolicy = (
   input: DataRetrievalPolicy,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Rules !== undefined) {
-    bodyParams["Rules"] = serializeAws_restJson1_1DataRetrievalRulesList(
-      input.Rules,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Rules !== undefined && {
+      Rules: serializeAws_restJson1_1DataRetrievalRulesList(
+        input.Rules,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1DataRetrievalRule = (
   input: DataRetrievalRule,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.BytesPerHour !== undefined) {
-    bodyParams["BytesPerHour"] = input.BytesPerHour;
-  }
-  if (input.Strategy !== undefined) {
-    bodyParams["Strategy"] = input.Strategy;
-  }
-  return bodyParams;
+  return {
+    ...(input.BytesPerHour !== undefined && {
+      BytesPerHour: input.BytesPerHour
+    }),
+    ...(input.Strategy !== undefined && { Strategy: input.Strategy })
+  };
 };
 
 const serializeAws_restJson1_1DataRetrievalRulesList = (
@@ -5588,69 +5542,47 @@ const serializeAws_restJson1_1InventoryRetrievalJobInput = (
   input: InventoryRetrievalJobInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EndDate !== undefined) {
-    bodyParams["EndDate"] = input.EndDate;
-  }
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.Marker !== undefined) {
-    bodyParams["Marker"] = input.Marker;
-  }
-  if (input.StartDate !== undefined) {
-    bodyParams["StartDate"] = input.StartDate;
-  }
-  return bodyParams;
+  return {
+    ...(input.EndDate !== undefined && { EndDate: input.EndDate }),
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.Marker !== undefined && { Marker: input.Marker }),
+    ...(input.StartDate !== undefined && { StartDate: input.StartDate })
+  };
 };
 
 const serializeAws_restJson1_1JobParameters = (
   input: JobParameters,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ArchiveId !== undefined) {
-    bodyParams["ArchiveId"] = input.ArchiveId;
-  }
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.Format !== undefined) {
-    bodyParams["Format"] = input.Format;
-  }
-  if (input.InventoryRetrievalParameters !== undefined) {
-    bodyParams[
-      "InventoryRetrievalParameters"
-    ] = serializeAws_restJson1_1InventoryRetrievalJobInput(
-      input.InventoryRetrievalParameters,
-      context
-    );
-  }
-  if (input.OutputLocation !== undefined) {
-    bodyParams["OutputLocation"] = serializeAws_restJson1_1OutputLocation(
-      input.OutputLocation,
-      context
-    );
-  }
-  if (input.RetrievalByteRange !== undefined) {
-    bodyParams["RetrievalByteRange"] = input.RetrievalByteRange;
-  }
-  if (input.SNSTopic !== undefined) {
-    bodyParams["SNSTopic"] = input.SNSTopic;
-  }
-  if (input.SelectParameters !== undefined) {
-    bodyParams["SelectParameters"] = serializeAws_restJson1_1SelectParameters(
-      input.SelectParameters,
-      context
-    );
-  }
-  if (input.Tier !== undefined) {
-    bodyParams["Tier"] = input.Tier;
-  }
-  if (input.Type !== undefined) {
-    bodyParams["Type"] = input.Type;
-  }
-  return bodyParams;
+  return {
+    ...(input.ArchiveId !== undefined && { ArchiveId: input.ArchiveId }),
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.Format !== undefined && { Format: input.Format }),
+    ...(input.InventoryRetrievalParameters !== undefined && {
+      InventoryRetrievalParameters: serializeAws_restJson1_1InventoryRetrievalJobInput(
+        input.InventoryRetrievalParameters,
+        context
+      )
+    }),
+    ...(input.OutputLocation !== undefined && {
+      OutputLocation: serializeAws_restJson1_1OutputLocation(
+        input.OutputLocation,
+        context
+      )
+    }),
+    ...(input.RetrievalByteRange !== undefined && {
+      RetrievalByteRange: input.RetrievalByteRange
+    }),
+    ...(input.SNSTopic !== undefined && { SNSTopic: input.SNSTopic }),
+    ...(input.SelectParameters !== undefined && {
+      SelectParameters: serializeAws_restJson1_1SelectParameters(
+        input.SelectParameters,
+        context
+      )
+    }),
+    ...(input.Tier !== undefined && { Tier: input.Tier }),
+    ...(input.Type !== undefined && { Type: input.Type })
+  };
 };
 
 const serializeAws_restJson1_1NotificationEventList = (
@@ -5681,39 +5613,33 @@ const serializeAws_restJson1_1VaultAccessPolicy = (
   input: VaultAccessPolicy,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Policy !== undefined) {
-    bodyParams["Policy"] = input.Policy;
-  }
-  return bodyParams;
+  return {
+    ...(input.Policy !== undefined && { Policy: input.Policy })
+  };
 };
 
 const serializeAws_restJson1_1VaultLockPolicy = (
   input: VaultLockPolicy,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Policy !== undefined) {
-    bodyParams["Policy"] = input.Policy;
-  }
-  return bodyParams;
+  return {
+    ...(input.Policy !== undefined && { Policy: input.Policy })
+  };
 };
 
 const serializeAws_restJson1_1VaultNotificationConfig = (
   input: VaultNotificationConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Events !== undefined) {
-    bodyParams["Events"] = serializeAws_restJson1_1NotificationEventList(
-      input.Events,
-      context
-    );
-  }
-  if (input.SNSTopic !== undefined) {
-    bodyParams["SNSTopic"] = input.SNSTopic;
-  }
-  return bodyParams;
+  return {
+    ...(input.Events !== undefined && {
+      Events: serializeAws_restJson1_1NotificationEventList(
+        input.Events,
+        context
+      )
+    }),
+    ...(input.SNSTopic !== undefined && { SNSTopic: input.SNSTopic })
+  };
 };
 
 const deserializeAws_restJson1_1AccessControlPolicyList = (
diff --git a/clients/client-global-accelerator/protocols/Aws_json1_1.ts b/clients/client-global-accelerator/protocols/Aws_json1_1.ts
index 4f3c7cc5a21d..c7efe60b3fe5 100644
--- a/clients/client-global-accelerator/protocols/Aws_json1_1.ts
+++ b/clients/client-global-accelerator/protocols/Aws_json1_1.ts
@@ -2214,184 +2214,162 @@ const serializeAws_json1_1CreateAcceleratorRequest = (
   input: CreateAcceleratorRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Enabled !== undefined) {
-    bodyParams["Enabled"] = input.Enabled;
-  }
-  if (input.IdempotencyToken !== undefined) {
-    bodyParams["IdempotencyToken"] = input.IdempotencyToken;
-  }
-  if (input.IpAddressType !== undefined) {
-    bodyParams["IpAddressType"] = input.IpAddressType;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.Enabled !== undefined && { Enabled: input.Enabled }),
+    ...(input.IdempotencyToken !== undefined && {
+      IdempotencyToken: input.IdempotencyToken
+    }),
+    ...(input.IpAddressType !== undefined && {
+      IpAddressType: input.IpAddressType
+    }),
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1CreateEndpointGroupRequest = (
   input: CreateEndpointGroupRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EndpointConfigurations !== undefined) {
-    bodyParams[
-      "EndpointConfigurations"
-    ] = serializeAws_json1_1EndpointConfigurations(
-      input.EndpointConfigurations,
-      context
-    );
-  }
-  if (input.EndpointGroupRegion !== undefined) {
-    bodyParams["EndpointGroupRegion"] = input.EndpointGroupRegion;
-  }
-  if (input.HealthCheckIntervalSeconds !== undefined) {
-    bodyParams["HealthCheckIntervalSeconds"] = input.HealthCheckIntervalSeconds;
-  }
-  if (input.HealthCheckPath !== undefined) {
-    bodyParams["HealthCheckPath"] = input.HealthCheckPath;
-  }
-  if (input.HealthCheckPort !== undefined) {
-    bodyParams["HealthCheckPort"] = input.HealthCheckPort;
-  }
-  if (input.HealthCheckProtocol !== undefined) {
-    bodyParams["HealthCheckProtocol"] = input.HealthCheckProtocol;
-  }
-  if (input.IdempotencyToken !== undefined) {
-    bodyParams["IdempotencyToken"] = input.IdempotencyToken;
-  }
-  if (input.ListenerArn !== undefined) {
-    bodyParams["ListenerArn"] = input.ListenerArn;
-  }
-  if (input.ThresholdCount !== undefined) {
-    bodyParams["ThresholdCount"] = input.ThresholdCount;
-  }
-  if (input.TrafficDialPercentage !== undefined) {
-    bodyParams["TrafficDialPercentage"] = input.TrafficDialPercentage;
-  }
-  return bodyParams;
+  return {
+    ...(input.EndpointConfigurations !== undefined && {
+      EndpointConfigurations: serializeAws_json1_1EndpointConfigurations(
+        input.EndpointConfigurations,
+        context
+      )
+    }),
+    ...(input.EndpointGroupRegion !== undefined && {
+      EndpointGroupRegion: input.EndpointGroupRegion
+    }),
+    ...(input.HealthCheckIntervalSeconds !== undefined && {
+      HealthCheckIntervalSeconds: input.HealthCheckIntervalSeconds
+    }),
+    ...(input.HealthCheckPath !== undefined && {
+      HealthCheckPath: input.HealthCheckPath
+    }),
+    ...(input.HealthCheckPort !== undefined && {
+      HealthCheckPort: input.HealthCheckPort
+    }),
+    ...(input.HealthCheckProtocol !== undefined && {
+      HealthCheckProtocol: input.HealthCheckProtocol
+    }),
+    ...(input.IdempotencyToken !== undefined && {
+      IdempotencyToken: input.IdempotencyToken
+    }),
+    ...(input.ListenerArn !== undefined && { ListenerArn: input.ListenerArn }),
+    ...(input.ThresholdCount !== undefined && {
+      ThresholdCount: input.ThresholdCount
+    }),
+    ...(input.TrafficDialPercentage !== undefined && {
+      TrafficDialPercentage: input.TrafficDialPercentage
+    })
+  };
 };
 
 const serializeAws_json1_1CreateListenerRequest = (
   input: CreateListenerRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AcceleratorArn !== undefined) {
-    bodyParams["AcceleratorArn"] = input.AcceleratorArn;
-  }
-  if (input.ClientAffinity !== undefined) {
-    bodyParams["ClientAffinity"] = input.ClientAffinity;
-  }
-  if (input.IdempotencyToken !== undefined) {
-    bodyParams["IdempotencyToken"] = input.IdempotencyToken;
-  }
-  if (input.PortRanges !== undefined) {
-    bodyParams["PortRanges"] = serializeAws_json1_1PortRanges(
-      input.PortRanges,
-      context
-    );
-  }
-  if (input.Protocol !== undefined) {
-    bodyParams["Protocol"] = input.Protocol;
-  }
-  return bodyParams;
+  return {
+    ...(input.AcceleratorArn !== undefined && {
+      AcceleratorArn: input.AcceleratorArn
+    }),
+    ...(input.ClientAffinity !== undefined && {
+      ClientAffinity: input.ClientAffinity
+    }),
+    ...(input.IdempotencyToken !== undefined && {
+      IdempotencyToken: input.IdempotencyToken
+    }),
+    ...(input.PortRanges !== undefined && {
+      PortRanges: serializeAws_json1_1PortRanges(input.PortRanges, context)
+    }),
+    ...(input.Protocol !== undefined && { Protocol: input.Protocol })
+  };
 };
 
 const serializeAws_json1_1DeleteAcceleratorRequest = (
   input: DeleteAcceleratorRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AcceleratorArn !== undefined) {
-    bodyParams["AcceleratorArn"] = input.AcceleratorArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.AcceleratorArn !== undefined && {
+      AcceleratorArn: input.AcceleratorArn
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteEndpointGroupRequest = (
   input: DeleteEndpointGroupRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EndpointGroupArn !== undefined) {
-    bodyParams["EndpointGroupArn"] = input.EndpointGroupArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.EndpointGroupArn !== undefined && {
+      EndpointGroupArn: input.EndpointGroupArn
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteListenerRequest = (
   input: DeleteListenerRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ListenerArn !== undefined) {
-    bodyParams["ListenerArn"] = input.ListenerArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.ListenerArn !== undefined && { ListenerArn: input.ListenerArn })
+  };
 };
 
 const serializeAws_json1_1DescribeAcceleratorAttributesRequest = (
   input: DescribeAcceleratorAttributesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AcceleratorArn !== undefined) {
-    bodyParams["AcceleratorArn"] = input.AcceleratorArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.AcceleratorArn !== undefined && {
+      AcceleratorArn: input.AcceleratorArn
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeAcceleratorRequest = (
   input: DescribeAcceleratorRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AcceleratorArn !== undefined) {
-    bodyParams["AcceleratorArn"] = input.AcceleratorArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.AcceleratorArn !== undefined && {
+      AcceleratorArn: input.AcceleratorArn
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeEndpointGroupRequest = (
   input: DescribeEndpointGroupRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EndpointGroupArn !== undefined) {
-    bodyParams["EndpointGroupArn"] = input.EndpointGroupArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.EndpointGroupArn !== undefined && {
+      EndpointGroupArn: input.EndpointGroupArn
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeListenerRequest = (
   input: DescribeListenerRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ListenerArn !== undefined) {
-    bodyParams["ListenerArn"] = input.ListenerArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.ListenerArn !== undefined && { ListenerArn: input.ListenerArn })
+  };
 };
 
 const serializeAws_json1_1EndpointConfiguration = (
   input: EndpointConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ClientIPPreservationEnabled !== undefined) {
-    bodyParams["ClientIPPreservationEnabled"] =
-      input.ClientIPPreservationEnabled;
-  }
-  if (input.EndpointId !== undefined) {
-    bodyParams["EndpointId"] = input.EndpointId;
-  }
-  if (input.Weight !== undefined) {
-    bodyParams["Weight"] = input.Weight;
-  }
-  return bodyParams;
+  return {
+    ...(input.ClientIPPreservationEnabled !== undefined && {
+      ClientIPPreservationEnabled: input.ClientIPPreservationEnabled
+    }),
+    ...(input.EndpointId !== undefined && { EndpointId: input.EndpointId }),
+    ...(input.Weight !== undefined && { Weight: input.Weight })
+  };
 };
 
 const serializeAws_json1_1EndpointConfigurations = (
@@ -2407,62 +2385,44 @@ const serializeAws_json1_1ListAcceleratorsRequest = (
   input: ListAcceleratorsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1ListEndpointGroupsRequest = (
   input: ListEndpointGroupsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ListenerArn !== undefined) {
-    bodyParams["ListenerArn"] = input.ListenerArn;
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.ListenerArn !== undefined && { ListenerArn: input.ListenerArn }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1ListListenersRequest = (
   input: ListListenersRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AcceleratorArn !== undefined) {
-    bodyParams["AcceleratorArn"] = input.AcceleratorArn;
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.AcceleratorArn !== undefined && {
+      AcceleratorArn: input.AcceleratorArn
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1PortRange = (
   input: PortRange,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.FromPort !== undefined) {
-    bodyParams["FromPort"] = input.FromPort;
-  }
-  if (input.ToPort !== undefined) {
-    bodyParams["ToPort"] = input.ToPort;
-  }
-  return bodyParams;
+  return {
+    ...(input.FromPort !== undefined && { FromPort: input.FromPort }),
+    ...(input.ToPort !== undefined && { ToPort: input.ToPort })
+  };
 };
 
 const serializeAws_json1_1PortRanges = (
@@ -2476,100 +2436,87 @@ const serializeAws_json1_1UpdateAcceleratorAttributesRequest = (
   input: UpdateAcceleratorAttributesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AcceleratorArn !== undefined) {
-    bodyParams["AcceleratorArn"] = input.AcceleratorArn;
-  }
-  if (input.FlowLogsEnabled !== undefined) {
-    bodyParams["FlowLogsEnabled"] = input.FlowLogsEnabled;
-  }
-  if (input.FlowLogsS3Bucket !== undefined) {
-    bodyParams["FlowLogsS3Bucket"] = input.FlowLogsS3Bucket;
-  }
-  if (input.FlowLogsS3Prefix !== undefined) {
-    bodyParams["FlowLogsS3Prefix"] = input.FlowLogsS3Prefix;
-  }
-  return bodyParams;
+  return {
+    ...(input.AcceleratorArn !== undefined && {
+      AcceleratorArn: input.AcceleratorArn
+    }),
+    ...(input.FlowLogsEnabled !== undefined && {
+      FlowLogsEnabled: input.FlowLogsEnabled
+    }),
+    ...(input.FlowLogsS3Bucket !== undefined && {
+      FlowLogsS3Bucket: input.FlowLogsS3Bucket
+    }),
+    ...(input.FlowLogsS3Prefix !== undefined && {
+      FlowLogsS3Prefix: input.FlowLogsS3Prefix
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateAcceleratorRequest = (
   input: UpdateAcceleratorRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AcceleratorArn !== undefined) {
-    bodyParams["AcceleratorArn"] = input.AcceleratorArn;
-  }
-  if (input.Enabled !== undefined) {
-    bodyParams["Enabled"] = input.Enabled;
-  }
-  if (input.IpAddressType !== undefined) {
-    bodyParams["IpAddressType"] = input.IpAddressType;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.AcceleratorArn !== undefined && {
+      AcceleratorArn: input.AcceleratorArn
+    }),
+    ...(input.Enabled !== undefined && { Enabled: input.Enabled }),
+    ...(input.IpAddressType !== undefined && {
+      IpAddressType: input.IpAddressType
+    }),
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1UpdateEndpointGroupRequest = (
   input: UpdateEndpointGroupRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EndpointConfigurations !== undefined) {
-    bodyParams[
-      "EndpointConfigurations"
-    ] = serializeAws_json1_1EndpointConfigurations(
-      input.EndpointConfigurations,
-      context
-    );
-  }
-  if (input.EndpointGroupArn !== undefined) {
-    bodyParams["EndpointGroupArn"] = input.EndpointGroupArn;
-  }
-  if (input.HealthCheckIntervalSeconds !== undefined) {
-    bodyParams["HealthCheckIntervalSeconds"] = input.HealthCheckIntervalSeconds;
-  }
-  if (input.HealthCheckPath !== undefined) {
-    bodyParams["HealthCheckPath"] = input.HealthCheckPath;
-  }
-  if (input.HealthCheckPort !== undefined) {
-    bodyParams["HealthCheckPort"] = input.HealthCheckPort;
-  }
-  if (input.HealthCheckProtocol !== undefined) {
-    bodyParams["HealthCheckProtocol"] = input.HealthCheckProtocol;
-  }
-  if (input.ThresholdCount !== undefined) {
-    bodyParams["ThresholdCount"] = input.ThresholdCount;
-  }
-  if (input.TrafficDialPercentage !== undefined) {
-    bodyParams["TrafficDialPercentage"] = input.TrafficDialPercentage;
-  }
-  return bodyParams;
+  return {
+    ...(input.EndpointConfigurations !== undefined && {
+      EndpointConfigurations: serializeAws_json1_1EndpointConfigurations(
+        input.EndpointConfigurations,
+        context
+      )
+    }),
+    ...(input.EndpointGroupArn !== undefined && {
+      EndpointGroupArn: input.EndpointGroupArn
+    }),
+    ...(input.HealthCheckIntervalSeconds !== undefined && {
+      HealthCheckIntervalSeconds: input.HealthCheckIntervalSeconds
+    }),
+    ...(input.HealthCheckPath !== undefined && {
+      HealthCheckPath: input.HealthCheckPath
+    }),
+    ...(input.HealthCheckPort !== undefined && {
+      HealthCheckPort: input.HealthCheckPort
+    }),
+    ...(input.HealthCheckProtocol !== undefined && {
+      HealthCheckProtocol: input.HealthCheckProtocol
+    }),
+    ...(input.ThresholdCount !== undefined && {
+      ThresholdCount: input.ThresholdCount
+    }),
+    ...(input.TrafficDialPercentage !== undefined && {
+      TrafficDialPercentage: input.TrafficDialPercentage
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateListenerRequest = (
   input: UpdateListenerRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ClientAffinity !== undefined) {
-    bodyParams["ClientAffinity"] = input.ClientAffinity;
-  }
-  if (input.ListenerArn !== undefined) {
-    bodyParams["ListenerArn"] = input.ListenerArn;
-  }
-  if (input.PortRanges !== undefined) {
-    bodyParams["PortRanges"] = serializeAws_json1_1PortRanges(
-      input.PortRanges,
-      context
-    );
-  }
-  if (input.Protocol !== undefined) {
-    bodyParams["Protocol"] = input.Protocol;
-  }
-  return bodyParams;
+  return {
+    ...(input.ClientAffinity !== undefined && {
+      ClientAffinity: input.ClientAffinity
+    }),
+    ...(input.ListenerArn !== undefined && { ListenerArn: input.ListenerArn }),
+    ...(input.PortRanges !== undefined && {
+      PortRanges: serializeAws_json1_1PortRanges(input.PortRanges, context)
+    }),
+    ...(input.Protocol !== undefined && { Protocol: input.Protocol })
+  };
 };
 
 const deserializeAws_json1_1Accelerator = (
diff --git a/clients/client-glue/protocols/Aws_json1_1.ts b/clients/client-glue/protocols/Aws_json1_1.ts
index d5cae60c6a0f..9bb41bb04519 100644
--- a/clients/client-glue/protocols/Aws_json1_1.ts
+++ b/clients/client-glue/protocols/Aws_json1_1.ts
@@ -15007,45 +15007,33 @@ const serializeAws_json1_1GetTagsRequest = (
   input: GetTagsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceArn !== undefined) {
-    bodyParams["ResourceArn"] = input.ResourceArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceArn !== undefined && { ResourceArn: input.ResourceArn })
+  };
 };
 
 const serializeAws_json1_1TagResourceRequest = (
   input: TagResourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceArn !== undefined) {
-    bodyParams["ResourceArn"] = input.ResourceArn;
-  }
-  if (input.TagsToAdd !== undefined) {
-    bodyParams["TagsToAdd"] = serializeAws_json1_1TagsMap(
-      input.TagsToAdd,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceArn !== undefined && { ResourceArn: input.ResourceArn }),
+    ...(input.TagsToAdd !== undefined && {
+      TagsToAdd: serializeAws_json1_1TagsMap(input.TagsToAdd, context)
+    })
+  };
 };
 
 const serializeAws_json1_1UntagResourceRequest = (
   input: UntagResourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceArn !== undefined) {
-    bodyParams["ResourceArn"] = input.ResourceArn;
-  }
-  if (input.TagsToRemove !== undefined) {
-    bodyParams["TagsToRemove"] = serializeAws_json1_1TagKeysList(
-      input.TagsToRemove,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceArn !== undefined && { ResourceArn: input.ResourceArn }),
+    ...(input.TagsToRemove !== undefined && {
+      TagsToRemove: serializeAws_json1_1TagKeysList(input.TagsToRemove, context)
+    })
+  };
 };
 
 const serializeAws_json1_1NameStringList = (
@@ -15076,67 +15064,53 @@ const serializeAws_json1_1BatchCreatePartitionRequest = (
   input: BatchCreatePartitionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CatalogId !== undefined) {
-    bodyParams["CatalogId"] = input.CatalogId;
-  }
-  if (input.DatabaseName !== undefined) {
-    bodyParams["DatabaseName"] = input.DatabaseName;
-  }
-  if (input.PartitionInputList !== undefined) {
-    bodyParams["PartitionInputList"] = serializeAws_json1_1PartitionInputList(
-      input.PartitionInputList,
-      context
-    );
-  }
-  if (input.TableName !== undefined) {
-    bodyParams["TableName"] = input.TableName;
-  }
-  return bodyParams;
+  return {
+    ...(input.CatalogId !== undefined && { CatalogId: input.CatalogId }),
+    ...(input.DatabaseName !== undefined && {
+      DatabaseName: input.DatabaseName
+    }),
+    ...(input.PartitionInputList !== undefined && {
+      PartitionInputList: serializeAws_json1_1PartitionInputList(
+        input.PartitionInputList,
+        context
+      )
+    }),
+    ...(input.TableName !== undefined && { TableName: input.TableName })
+  };
 };
 
 const serializeAws_json1_1BatchDeleteConnectionRequest = (
   input: BatchDeleteConnectionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CatalogId !== undefined) {
-    bodyParams["CatalogId"] = input.CatalogId;
-  }
-  if (input.ConnectionNameList !== undefined) {
-    bodyParams[
-      "ConnectionNameList"
-    ] = serializeAws_json1_1DeleteConnectionNameList(
-      input.ConnectionNameList,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.CatalogId !== undefined && { CatalogId: input.CatalogId }),
+    ...(input.ConnectionNameList !== undefined && {
+      ConnectionNameList: serializeAws_json1_1DeleteConnectionNameList(
+        input.ConnectionNameList,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1BatchDeletePartitionRequest = (
   input: BatchDeletePartitionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CatalogId !== undefined) {
-    bodyParams["CatalogId"] = input.CatalogId;
-  }
-  if (input.DatabaseName !== undefined) {
-    bodyParams["DatabaseName"] = input.DatabaseName;
-  }
-  if (input.PartitionsToDelete !== undefined) {
-    bodyParams[
-      "PartitionsToDelete"
-    ] = serializeAws_json1_1BatchDeletePartitionValueList(
-      input.PartitionsToDelete,
-      context
-    );
-  }
-  if (input.TableName !== undefined) {
-    bodyParams["TableName"] = input.TableName;
-  }
-  return bodyParams;
+  return {
+    ...(input.CatalogId !== undefined && { CatalogId: input.CatalogId }),
+    ...(input.DatabaseName !== undefined && {
+      DatabaseName: input.DatabaseName
+    }),
+    ...(input.PartitionsToDelete !== undefined && {
+      PartitionsToDelete: serializeAws_json1_1BatchDeletePartitionValueList(
+        input.PartitionsToDelete,
+        context
+      )
+    }),
+    ...(input.TableName !== undefined && { TableName: input.TableName })
+  };
 };
 
 const serializeAws_json1_1BatchDeletePartitionValueList = (
@@ -15159,20 +15133,18 @@ const serializeAws_json1_1BatchDeleteTableRequest = (
   input: BatchDeleteTableRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CatalogId !== undefined) {
-    bodyParams["CatalogId"] = input.CatalogId;
-  }
-  if (input.DatabaseName !== undefined) {
-    bodyParams["DatabaseName"] = input.DatabaseName;
-  }
-  if (input.TablesToDelete !== undefined) {
-    bodyParams["TablesToDelete"] = serializeAws_json1_1BatchDeleteTableNameList(
-      input.TablesToDelete,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.CatalogId !== undefined && { CatalogId: input.CatalogId }),
+    ...(input.DatabaseName !== undefined && {
+      DatabaseName: input.DatabaseName
+    }),
+    ...(input.TablesToDelete !== undefined && {
+      TablesToDelete: serializeAws_json1_1BatchDeleteTableNameList(
+        input.TablesToDelete,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1BatchDeleteTableVersionList = (
@@ -15186,48 +15158,38 @@ const serializeAws_json1_1BatchDeleteTableVersionRequest = (
   input: BatchDeleteTableVersionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CatalogId !== undefined) {
-    bodyParams["CatalogId"] = input.CatalogId;
-  }
-  if (input.DatabaseName !== undefined) {
-    bodyParams["DatabaseName"] = input.DatabaseName;
-  }
-  if (input.TableName !== undefined) {
-    bodyParams["TableName"] = input.TableName;
-  }
-  if (input.VersionIds !== undefined) {
-    bodyParams["VersionIds"] = serializeAws_json1_1BatchDeleteTableVersionList(
-      input.VersionIds,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.CatalogId !== undefined && { CatalogId: input.CatalogId }),
+    ...(input.DatabaseName !== undefined && {
+      DatabaseName: input.DatabaseName
+    }),
+    ...(input.TableName !== undefined && { TableName: input.TableName }),
+    ...(input.VersionIds !== undefined && {
+      VersionIds: serializeAws_json1_1BatchDeleteTableVersionList(
+        input.VersionIds,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1BatchGetPartitionRequest = (
   input: BatchGetPartitionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CatalogId !== undefined) {
-    bodyParams["CatalogId"] = input.CatalogId;
-  }
-  if (input.DatabaseName !== undefined) {
-    bodyParams["DatabaseName"] = input.DatabaseName;
-  }
-  if (input.PartitionsToGet !== undefined) {
-    bodyParams[
-      "PartitionsToGet"
-    ] = serializeAws_json1_1BatchGetPartitionValueList(
-      input.PartitionsToGet,
-      context
-    );
-  }
-  if (input.TableName !== undefined) {
-    bodyParams["TableName"] = input.TableName;
-  }
-  return bodyParams;
+  return {
+    ...(input.CatalogId !== undefined && { CatalogId: input.CatalogId }),
+    ...(input.DatabaseName !== undefined && {
+      DatabaseName: input.DatabaseName
+    }),
+    ...(input.PartitionsToGet !== undefined && {
+      PartitionsToGet: serializeAws_json1_1BatchGetPartitionValueList(
+        input.PartitionsToGet,
+        context
+      )
+    }),
+    ...(input.TableName !== undefined && { TableName: input.TableName })
+  };
 };
 
 const serializeAws_json1_1BatchGetPartitionValueList = (
@@ -15250,23 +15212,14 @@ const serializeAws_json1_1Column = (
   input: Column,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Comment !== undefined) {
-    bodyParams["Comment"] = input.Comment;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.Parameters !== undefined) {
-    bodyParams["Parameters"] = serializeAws_json1_1ParametersMap(
-      input.Parameters,
-      context
-    );
-  }
-  if (input.Type !== undefined) {
-    bodyParams["Type"] = input.Type;
-  }
-  return bodyParams;
+  return {
+    ...(input.Comment !== undefined && { Comment: input.Comment }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.Parameters !== undefined && {
+      Parameters: serializeAws_json1_1ParametersMap(input.Parameters, context)
+    }),
+    ...(input.Type !== undefined && { Type: input.Type })
+  };
 };
 
 const serializeAws_json1_1ColumnList = (
@@ -15287,54 +15240,43 @@ const serializeAws_json1_1ConnectionInput = (
   input: ConnectionInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ConnectionProperties !== undefined) {
-    bodyParams[
-      "ConnectionProperties"
-    ] = serializeAws_json1_1ConnectionProperties(
-      input.ConnectionProperties,
-      context
-    );
-  }
-  if (input.ConnectionType !== undefined) {
-    bodyParams["ConnectionType"] = input.ConnectionType;
-  }
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.MatchCriteria !== undefined) {
-    bodyParams["MatchCriteria"] = serializeAws_json1_1MatchCriteria(
-      input.MatchCriteria,
-      context
-    );
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.PhysicalConnectionRequirements !== undefined) {
-    bodyParams[
-      "PhysicalConnectionRequirements"
-    ] = serializeAws_json1_1PhysicalConnectionRequirements(
-      input.PhysicalConnectionRequirements,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ConnectionProperties !== undefined && {
+      ConnectionProperties: serializeAws_json1_1ConnectionProperties(
+        input.ConnectionProperties,
+        context
+      )
+    }),
+    ...(input.ConnectionType !== undefined && {
+      ConnectionType: input.ConnectionType
+    }),
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.MatchCriteria !== undefined && {
+      MatchCriteria: serializeAws_json1_1MatchCriteria(
+        input.MatchCriteria,
+        context
+      )
+    }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.PhysicalConnectionRequirements !== undefined && {
+      PhysicalConnectionRequirements: serializeAws_json1_1PhysicalConnectionRequirements(
+        input.PhysicalConnectionRequirements,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1ConnectionPasswordEncryption = (
   input: ConnectionPasswordEncryption,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AwsKmsKeyId !== undefined) {
-    bodyParams["AwsKmsKeyId"] = input.AwsKmsKeyId;
-  }
-  if (input.ReturnConnectionPasswordEncrypted !== undefined) {
-    bodyParams["ReturnConnectionPasswordEncrypted"] =
-      input.ReturnConnectionPasswordEncrypted;
-  }
-  return bodyParams;
+  return {
+    ...(input.AwsKmsKeyId !== undefined && { AwsKmsKeyId: input.AwsKmsKeyId }),
+    ...(input.ReturnConnectionPasswordEncrypted !== undefined && {
+      ReturnConnectionPasswordEncrypted: input.ReturnConnectionPasswordEncrypted
+    })
+  };
 };
 
 const serializeAws_json1_1ConnectionProperties = (
@@ -15351,162 +15293,133 @@ const serializeAws_json1_1CreateConnectionRequest = (
   input: CreateConnectionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CatalogId !== undefined) {
-    bodyParams["CatalogId"] = input.CatalogId;
-  }
-  if (input.ConnectionInput !== undefined) {
-    bodyParams["ConnectionInput"] = serializeAws_json1_1ConnectionInput(
-      input.ConnectionInput,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.CatalogId !== undefined && { CatalogId: input.CatalogId }),
+    ...(input.ConnectionInput !== undefined && {
+      ConnectionInput: serializeAws_json1_1ConnectionInput(
+        input.ConnectionInput,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1CreateDatabaseRequest = (
   input: CreateDatabaseRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CatalogId !== undefined) {
-    bodyParams["CatalogId"] = input.CatalogId;
-  }
-  if (input.DatabaseInput !== undefined) {
-    bodyParams["DatabaseInput"] = serializeAws_json1_1DatabaseInput(
-      input.DatabaseInput,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.CatalogId !== undefined && { CatalogId: input.CatalogId }),
+    ...(input.DatabaseInput !== undefined && {
+      DatabaseInput: serializeAws_json1_1DatabaseInput(
+        input.DatabaseInput,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1CreatePartitionRequest = (
   input: CreatePartitionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CatalogId !== undefined) {
-    bodyParams["CatalogId"] = input.CatalogId;
-  }
-  if (input.DatabaseName !== undefined) {
-    bodyParams["DatabaseName"] = input.DatabaseName;
-  }
-  if (input.PartitionInput !== undefined) {
-    bodyParams["PartitionInput"] = serializeAws_json1_1PartitionInput(
-      input.PartitionInput,
-      context
-    );
-  }
-  if (input.TableName !== undefined) {
-    bodyParams["TableName"] = input.TableName;
-  }
-  return bodyParams;
+  return {
+    ...(input.CatalogId !== undefined && { CatalogId: input.CatalogId }),
+    ...(input.DatabaseName !== undefined && {
+      DatabaseName: input.DatabaseName
+    }),
+    ...(input.PartitionInput !== undefined && {
+      PartitionInput: serializeAws_json1_1PartitionInput(
+        input.PartitionInput,
+        context
+      )
+    }),
+    ...(input.TableName !== undefined && { TableName: input.TableName })
+  };
 };
 
 const serializeAws_json1_1CreateTableRequest = (
   input: CreateTableRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CatalogId !== undefined) {
-    bodyParams["CatalogId"] = input.CatalogId;
-  }
-  if (input.DatabaseName !== undefined) {
-    bodyParams["DatabaseName"] = input.DatabaseName;
-  }
-  if (input.TableInput !== undefined) {
-    bodyParams["TableInput"] = serializeAws_json1_1TableInput(
-      input.TableInput,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.CatalogId !== undefined && { CatalogId: input.CatalogId }),
+    ...(input.DatabaseName !== undefined && {
+      DatabaseName: input.DatabaseName
+    }),
+    ...(input.TableInput !== undefined && {
+      TableInput: serializeAws_json1_1TableInput(input.TableInput, context)
+    })
+  };
 };
 
 const serializeAws_json1_1CreateUserDefinedFunctionRequest = (
   input: CreateUserDefinedFunctionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CatalogId !== undefined) {
-    bodyParams["CatalogId"] = input.CatalogId;
-  }
-  if (input.DatabaseName !== undefined) {
-    bodyParams["DatabaseName"] = input.DatabaseName;
-  }
-  if (input.FunctionInput !== undefined) {
-    bodyParams["FunctionInput"] = serializeAws_json1_1UserDefinedFunctionInput(
-      input.FunctionInput,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.CatalogId !== undefined && { CatalogId: input.CatalogId }),
+    ...(input.DatabaseName !== undefined && {
+      DatabaseName: input.DatabaseName
+    }),
+    ...(input.FunctionInput !== undefined && {
+      FunctionInput: serializeAws_json1_1UserDefinedFunctionInput(
+        input.FunctionInput,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1DataCatalogEncryptionSettings = (
   input: DataCatalogEncryptionSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ConnectionPasswordEncryption !== undefined) {
-    bodyParams[
-      "ConnectionPasswordEncryption"
-    ] = serializeAws_json1_1ConnectionPasswordEncryption(
-      input.ConnectionPasswordEncryption,
-      context
-    );
-  }
-  if (input.EncryptionAtRest !== undefined) {
-    bodyParams["EncryptionAtRest"] = serializeAws_json1_1EncryptionAtRest(
-      input.EncryptionAtRest,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ConnectionPasswordEncryption !== undefined && {
+      ConnectionPasswordEncryption: serializeAws_json1_1ConnectionPasswordEncryption(
+        input.ConnectionPasswordEncryption,
+        context
+      )
+    }),
+    ...(input.EncryptionAtRest !== undefined && {
+      EncryptionAtRest: serializeAws_json1_1EncryptionAtRest(
+        input.EncryptionAtRest,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1DataLakePrincipal = (
   input: DataLakePrincipal,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DataLakePrincipalIdentifier !== undefined) {
-    bodyParams["DataLakePrincipalIdentifier"] =
-      input.DataLakePrincipalIdentifier;
-  }
-  return bodyParams;
+  return {
+    ...(input.DataLakePrincipalIdentifier !== undefined && {
+      DataLakePrincipalIdentifier: input.DataLakePrincipalIdentifier
+    })
+  };
 };
 
 const serializeAws_json1_1DatabaseInput = (
   input: DatabaseInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CreateTableDefaultPermissions !== undefined) {
-    bodyParams[
-      "CreateTableDefaultPermissions"
-    ] = serializeAws_json1_1PrincipalPermissionsList(
-      input.CreateTableDefaultPermissions,
-      context
-    );
-  }
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.LocationUri !== undefined) {
-    bodyParams["LocationUri"] = input.LocationUri;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.Parameters !== undefined) {
-    bodyParams["Parameters"] = serializeAws_json1_1ParametersMap(
-      input.Parameters,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.CreateTableDefaultPermissions !== undefined && {
+      CreateTableDefaultPermissions: serializeAws_json1_1PrincipalPermissionsList(
+        input.CreateTableDefaultPermissions,
+        context
+      )
+    }),
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.LocationUri !== undefined && { LocationUri: input.LocationUri }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.Parameters !== undefined && {
+      Parameters: serializeAws_json1_1ParametersMap(input.Parameters, context)
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteConnectionNameList = (
@@ -15520,437 +15433,335 @@ const serializeAws_json1_1DeleteConnectionRequest = (
   input: DeleteConnectionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CatalogId !== undefined) {
-    bodyParams["CatalogId"] = input.CatalogId;
-  }
-  if (input.ConnectionName !== undefined) {
-    bodyParams["ConnectionName"] = input.ConnectionName;
-  }
-  return bodyParams;
+  return {
+    ...(input.CatalogId !== undefined && { CatalogId: input.CatalogId }),
+    ...(input.ConnectionName !== undefined && {
+      ConnectionName: input.ConnectionName
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteDatabaseRequest = (
   input: DeleteDatabaseRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CatalogId !== undefined) {
-    bodyParams["CatalogId"] = input.CatalogId;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.CatalogId !== undefined && { CatalogId: input.CatalogId }),
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1DeletePartitionRequest = (
   input: DeletePartitionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CatalogId !== undefined) {
-    bodyParams["CatalogId"] = input.CatalogId;
-  }
-  if (input.DatabaseName !== undefined) {
-    bodyParams["DatabaseName"] = input.DatabaseName;
-  }
-  if (input.PartitionValues !== undefined) {
-    bodyParams["PartitionValues"] = serializeAws_json1_1ValueStringList(
-      input.PartitionValues,
-      context
-    );
-  }
-  if (input.TableName !== undefined) {
-    bodyParams["TableName"] = input.TableName;
-  }
-  return bodyParams;
+  return {
+    ...(input.CatalogId !== undefined && { CatalogId: input.CatalogId }),
+    ...(input.DatabaseName !== undefined && {
+      DatabaseName: input.DatabaseName
+    }),
+    ...(input.PartitionValues !== undefined && {
+      PartitionValues: serializeAws_json1_1ValueStringList(
+        input.PartitionValues,
+        context
+      )
+    }),
+    ...(input.TableName !== undefined && { TableName: input.TableName })
+  };
 };
 
 const serializeAws_json1_1DeleteResourcePolicyRequest = (
   input: DeleteResourcePolicyRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.PolicyHashCondition !== undefined) {
-    bodyParams["PolicyHashCondition"] = input.PolicyHashCondition;
-  }
-  return bodyParams;
+  return {
+    ...(input.PolicyHashCondition !== undefined && {
+      PolicyHashCondition: input.PolicyHashCondition
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteTableRequest = (
   input: DeleteTableRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CatalogId !== undefined) {
-    bodyParams["CatalogId"] = input.CatalogId;
-  }
-  if (input.DatabaseName !== undefined) {
-    bodyParams["DatabaseName"] = input.DatabaseName;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.CatalogId !== undefined && { CatalogId: input.CatalogId }),
+    ...(input.DatabaseName !== undefined && {
+      DatabaseName: input.DatabaseName
+    }),
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1DeleteTableVersionRequest = (
   input: DeleteTableVersionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CatalogId !== undefined) {
-    bodyParams["CatalogId"] = input.CatalogId;
-  }
-  if (input.DatabaseName !== undefined) {
-    bodyParams["DatabaseName"] = input.DatabaseName;
-  }
-  if (input.TableName !== undefined) {
-    bodyParams["TableName"] = input.TableName;
-  }
-  if (input.VersionId !== undefined) {
-    bodyParams["VersionId"] = input.VersionId;
-  }
-  return bodyParams;
+  return {
+    ...(input.CatalogId !== undefined && { CatalogId: input.CatalogId }),
+    ...(input.DatabaseName !== undefined && {
+      DatabaseName: input.DatabaseName
+    }),
+    ...(input.TableName !== undefined && { TableName: input.TableName }),
+    ...(input.VersionId !== undefined && { VersionId: input.VersionId })
+  };
 };
 
 const serializeAws_json1_1DeleteUserDefinedFunctionRequest = (
   input: DeleteUserDefinedFunctionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CatalogId !== undefined) {
-    bodyParams["CatalogId"] = input.CatalogId;
-  }
-  if (input.DatabaseName !== undefined) {
-    bodyParams["DatabaseName"] = input.DatabaseName;
-  }
-  if (input.FunctionName !== undefined) {
-    bodyParams["FunctionName"] = input.FunctionName;
-  }
-  return bodyParams;
+  return {
+    ...(input.CatalogId !== undefined && { CatalogId: input.CatalogId }),
+    ...(input.DatabaseName !== undefined && {
+      DatabaseName: input.DatabaseName
+    }),
+    ...(input.FunctionName !== undefined && {
+      FunctionName: input.FunctionName
+    })
+  };
 };
 
 const serializeAws_json1_1EncryptionAtRest = (
   input: EncryptionAtRest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CatalogEncryptionMode !== undefined) {
-    bodyParams["CatalogEncryptionMode"] = input.CatalogEncryptionMode;
-  }
-  if (input.SseAwsKmsKeyId !== undefined) {
-    bodyParams["SseAwsKmsKeyId"] = input.SseAwsKmsKeyId;
-  }
-  return bodyParams;
+  return {
+    ...(input.CatalogEncryptionMode !== undefined && {
+      CatalogEncryptionMode: input.CatalogEncryptionMode
+    }),
+    ...(input.SseAwsKmsKeyId !== undefined && {
+      SseAwsKmsKeyId: input.SseAwsKmsKeyId
+    })
+  };
 };
 
 const serializeAws_json1_1GetCatalogImportStatusRequest = (
   input: GetCatalogImportStatusRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CatalogId !== undefined) {
-    bodyParams["CatalogId"] = input.CatalogId;
-  }
-  return bodyParams;
+  return {
+    ...(input.CatalogId !== undefined && { CatalogId: input.CatalogId })
+  };
 };
 
 const serializeAws_json1_1GetConnectionRequest = (
   input: GetConnectionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CatalogId !== undefined) {
-    bodyParams["CatalogId"] = input.CatalogId;
-  }
-  if (input.HidePassword !== undefined) {
-    bodyParams["HidePassword"] = input.HidePassword;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.CatalogId !== undefined && { CatalogId: input.CatalogId }),
+    ...(input.HidePassword !== undefined && {
+      HidePassword: input.HidePassword
+    }),
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1GetConnectionsFilter = (
   input: GetConnectionsFilter,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ConnectionType !== undefined) {
-    bodyParams["ConnectionType"] = input.ConnectionType;
-  }
-  if (input.MatchCriteria !== undefined) {
-    bodyParams["MatchCriteria"] = serializeAws_json1_1MatchCriteria(
-      input.MatchCriteria,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ConnectionType !== undefined && {
+      ConnectionType: input.ConnectionType
+    }),
+    ...(input.MatchCriteria !== undefined && {
+      MatchCriteria: serializeAws_json1_1MatchCriteria(
+        input.MatchCriteria,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1GetConnectionsRequest = (
   input: GetConnectionsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CatalogId !== undefined) {
-    bodyParams["CatalogId"] = input.CatalogId;
-  }
-  if (input.Filter !== undefined) {
-    bodyParams["Filter"] = serializeAws_json1_1GetConnectionsFilter(
-      input.Filter,
-      context
-    );
-  }
-  if (input.HidePassword !== undefined) {
-    bodyParams["HidePassword"] = input.HidePassword;
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.CatalogId !== undefined && { CatalogId: input.CatalogId }),
+    ...(input.Filter !== undefined && {
+      Filter: serializeAws_json1_1GetConnectionsFilter(input.Filter, context)
+    }),
+    ...(input.HidePassword !== undefined && {
+      HidePassword: input.HidePassword
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1GetDataCatalogEncryptionSettingsRequest = (
   input: GetDataCatalogEncryptionSettingsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CatalogId !== undefined) {
-    bodyParams["CatalogId"] = input.CatalogId;
-  }
-  return bodyParams;
+  return {
+    ...(input.CatalogId !== undefined && { CatalogId: input.CatalogId })
+  };
 };
 
 const serializeAws_json1_1GetDatabaseRequest = (
   input: GetDatabaseRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CatalogId !== undefined) {
-    bodyParams["CatalogId"] = input.CatalogId;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.CatalogId !== undefined && { CatalogId: input.CatalogId }),
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1GetDatabasesRequest = (
   input: GetDatabasesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CatalogId !== undefined) {
-    bodyParams["CatalogId"] = input.CatalogId;
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.CatalogId !== undefined && { CatalogId: input.CatalogId }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1GetPartitionRequest = (
   input: GetPartitionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CatalogId !== undefined) {
-    bodyParams["CatalogId"] = input.CatalogId;
-  }
-  if (input.DatabaseName !== undefined) {
-    bodyParams["DatabaseName"] = input.DatabaseName;
-  }
-  if (input.PartitionValues !== undefined) {
-    bodyParams["PartitionValues"] = serializeAws_json1_1ValueStringList(
-      input.PartitionValues,
-      context
-    );
-  }
-  if (input.TableName !== undefined) {
-    bodyParams["TableName"] = input.TableName;
-  }
-  return bodyParams;
+  return {
+    ...(input.CatalogId !== undefined && { CatalogId: input.CatalogId }),
+    ...(input.DatabaseName !== undefined && {
+      DatabaseName: input.DatabaseName
+    }),
+    ...(input.PartitionValues !== undefined && {
+      PartitionValues: serializeAws_json1_1ValueStringList(
+        input.PartitionValues,
+        context
+      )
+    }),
+    ...(input.TableName !== undefined && { TableName: input.TableName })
+  };
 };
 
 const serializeAws_json1_1GetPartitionsRequest = (
   input: GetPartitionsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CatalogId !== undefined) {
-    bodyParams["CatalogId"] = input.CatalogId;
-  }
-  if (input.DatabaseName !== undefined) {
-    bodyParams["DatabaseName"] = input.DatabaseName;
-  }
-  if (input.Expression !== undefined) {
-    bodyParams["Expression"] = input.Expression;
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.Segment !== undefined) {
-    bodyParams["Segment"] = serializeAws_json1_1Segment(input.Segment, context);
-  }
-  if (input.TableName !== undefined) {
-    bodyParams["TableName"] = input.TableName;
-  }
-  return bodyParams;
+  return {
+    ...(input.CatalogId !== undefined && { CatalogId: input.CatalogId }),
+    ...(input.DatabaseName !== undefined && {
+      DatabaseName: input.DatabaseName
+    }),
+    ...(input.Expression !== undefined && { Expression: input.Expression }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.Segment !== undefined && {
+      Segment: serializeAws_json1_1Segment(input.Segment, context)
+    }),
+    ...(input.TableName !== undefined && { TableName: input.TableName })
+  };
 };
 
 const serializeAws_json1_1GetResourcePolicyRequest = (
   input: GetResourcePolicyRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  return bodyParams;
+  return {};
 };
 
 const serializeAws_json1_1GetTableRequest = (
   input: GetTableRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CatalogId !== undefined) {
-    bodyParams["CatalogId"] = input.CatalogId;
-  }
-  if (input.DatabaseName !== undefined) {
-    bodyParams["DatabaseName"] = input.DatabaseName;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.CatalogId !== undefined && { CatalogId: input.CatalogId }),
+    ...(input.DatabaseName !== undefined && {
+      DatabaseName: input.DatabaseName
+    }),
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1GetTableVersionRequest = (
   input: GetTableVersionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CatalogId !== undefined) {
-    bodyParams["CatalogId"] = input.CatalogId;
-  }
-  if (input.DatabaseName !== undefined) {
-    bodyParams["DatabaseName"] = input.DatabaseName;
-  }
-  if (input.TableName !== undefined) {
-    bodyParams["TableName"] = input.TableName;
-  }
-  if (input.VersionId !== undefined) {
-    bodyParams["VersionId"] = input.VersionId;
-  }
-  return bodyParams;
+  return {
+    ...(input.CatalogId !== undefined && { CatalogId: input.CatalogId }),
+    ...(input.DatabaseName !== undefined && {
+      DatabaseName: input.DatabaseName
+    }),
+    ...(input.TableName !== undefined && { TableName: input.TableName }),
+    ...(input.VersionId !== undefined && { VersionId: input.VersionId })
+  };
 };
 
 const serializeAws_json1_1GetTableVersionsRequest = (
   input: GetTableVersionsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CatalogId !== undefined) {
-    bodyParams["CatalogId"] = input.CatalogId;
-  }
-  if (input.DatabaseName !== undefined) {
-    bodyParams["DatabaseName"] = input.DatabaseName;
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.TableName !== undefined) {
-    bodyParams["TableName"] = input.TableName;
-  }
-  return bodyParams;
+  return {
+    ...(input.CatalogId !== undefined && { CatalogId: input.CatalogId }),
+    ...(input.DatabaseName !== undefined && {
+      DatabaseName: input.DatabaseName
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.TableName !== undefined && { TableName: input.TableName })
+  };
 };
 
 const serializeAws_json1_1GetTablesRequest = (
   input: GetTablesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CatalogId !== undefined) {
-    bodyParams["CatalogId"] = input.CatalogId;
-  }
-  if (input.DatabaseName !== undefined) {
-    bodyParams["DatabaseName"] = input.DatabaseName;
-  }
-  if (input.Expression !== undefined) {
-    bodyParams["Expression"] = input.Expression;
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.CatalogId !== undefined && { CatalogId: input.CatalogId }),
+    ...(input.DatabaseName !== undefined && {
+      DatabaseName: input.DatabaseName
+    }),
+    ...(input.Expression !== undefined && { Expression: input.Expression }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1GetUserDefinedFunctionRequest = (
   input: GetUserDefinedFunctionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CatalogId !== undefined) {
-    bodyParams["CatalogId"] = input.CatalogId;
-  }
-  if (input.DatabaseName !== undefined) {
-    bodyParams["DatabaseName"] = input.DatabaseName;
-  }
-  if (input.FunctionName !== undefined) {
-    bodyParams["FunctionName"] = input.FunctionName;
-  }
-  return bodyParams;
+  return {
+    ...(input.CatalogId !== undefined && { CatalogId: input.CatalogId }),
+    ...(input.DatabaseName !== undefined && {
+      DatabaseName: input.DatabaseName
+    }),
+    ...(input.FunctionName !== undefined && {
+      FunctionName: input.FunctionName
+    })
+  };
 };
 
 const serializeAws_json1_1GetUserDefinedFunctionsRequest = (
   input: GetUserDefinedFunctionsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CatalogId !== undefined) {
-    bodyParams["CatalogId"] = input.CatalogId;
-  }
-  if (input.DatabaseName !== undefined) {
-    bodyParams["DatabaseName"] = input.DatabaseName;
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.Pattern !== undefined) {
-    bodyParams["Pattern"] = input.Pattern;
-  }
-  return bodyParams;
+  return {
+    ...(input.CatalogId !== undefined && { CatalogId: input.CatalogId }),
+    ...(input.DatabaseName !== undefined && {
+      DatabaseName: input.DatabaseName
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.Pattern !== undefined && { Pattern: input.Pattern })
+  };
 };
 
 const serializeAws_json1_1ImportCatalogToGlueRequest = (
   input: ImportCatalogToGlueRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CatalogId !== undefined) {
-    bodyParams["CatalogId"] = input.CatalogId;
-  }
-  return bodyParams;
+  return {
+    ...(input.CatalogId !== undefined && { CatalogId: input.CatalogId })
+  };
 };
 
 const serializeAws_json1_1LocationMap = (
@@ -15974,14 +15785,10 @@ const serializeAws_json1_1Order = (
   input: Order,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Column !== undefined) {
-    bodyParams["Column"] = input.Column;
-  }
-  if (input.SortOrder !== undefined) {
-    bodyParams["SortOrder"] = input.SortOrder;
-  }
-  return bodyParams;
+  return {
+    ...(input.Column !== undefined && { Column: input.Column }),
+    ...(input.SortOrder !== undefined && { SortOrder: input.SortOrder })
+  };
 };
 
 const serializeAws_json1_1OrderList = (
@@ -16005,36 +15812,26 @@ const serializeAws_json1_1PartitionInput = (
   input: PartitionInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.LastAccessTime !== undefined) {
-    bodyParams["LastAccessTime"] = Math.round(
-      input.LastAccessTime.getTime() / 1000
-    );
-  }
-  if (input.LastAnalyzedTime !== undefined) {
-    bodyParams["LastAnalyzedTime"] = Math.round(
-      input.LastAnalyzedTime.getTime() / 1000
-    );
-  }
-  if (input.Parameters !== undefined) {
-    bodyParams["Parameters"] = serializeAws_json1_1ParametersMap(
-      input.Parameters,
-      context
-    );
-  }
-  if (input.StorageDescriptor !== undefined) {
-    bodyParams["StorageDescriptor"] = serializeAws_json1_1StorageDescriptor(
-      input.StorageDescriptor,
-      context
-    );
-  }
-  if (input.Values !== undefined) {
-    bodyParams["Values"] = serializeAws_json1_1ValueStringList(
-      input.Values,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.LastAccessTime !== undefined && {
+      LastAccessTime: Math.round(input.LastAccessTime.getTime() / 1000)
+    }),
+    ...(input.LastAnalyzedTime !== undefined && {
+      LastAnalyzedTime: Math.round(input.LastAnalyzedTime.getTime() / 1000)
+    }),
+    ...(input.Parameters !== undefined && {
+      Parameters: serializeAws_json1_1ParametersMap(input.Parameters, context)
+    }),
+    ...(input.StorageDescriptor !== undefined && {
+      StorageDescriptor: serializeAws_json1_1StorageDescriptor(
+        input.StorageDescriptor,
+        context
+      )
+    }),
+    ...(input.Values !== undefined && {
+      Values: serializeAws_json1_1ValueStringList(input.Values, context)
+    })
+  };
 };
 
 const serializeAws_json1_1PartitionInputList = (
@@ -16048,14 +15845,11 @@ const serializeAws_json1_1PartitionValueList = (
   input: PartitionValueList,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Values !== undefined) {
-    bodyParams["Values"] = serializeAws_json1_1ValueStringList(
-      input.Values,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Values !== undefined && {
+      Values: serializeAws_json1_1ValueStringList(input.Values, context)
+    })
+  };
 };
 
 const serializeAws_json1_1PermissionList = (
@@ -16069,40 +15863,35 @@ const serializeAws_json1_1PhysicalConnectionRequirements = (
   input: PhysicalConnectionRequirements,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AvailabilityZone !== undefined) {
-    bodyParams["AvailabilityZone"] = input.AvailabilityZone;
-  }
-  if (input.SecurityGroupIdList !== undefined) {
-    bodyParams["SecurityGroupIdList"] = serializeAws_json1_1SecurityGroupIdList(
-      input.SecurityGroupIdList,
-      context
-    );
-  }
-  if (input.SubnetId !== undefined) {
-    bodyParams["SubnetId"] = input.SubnetId;
-  }
-  return bodyParams;
+  return {
+    ...(input.AvailabilityZone !== undefined && {
+      AvailabilityZone: input.AvailabilityZone
+    }),
+    ...(input.SecurityGroupIdList !== undefined && {
+      SecurityGroupIdList: serializeAws_json1_1SecurityGroupIdList(
+        input.SecurityGroupIdList,
+        context
+      )
+    }),
+    ...(input.SubnetId !== undefined && { SubnetId: input.SubnetId })
+  };
 };
 
 const serializeAws_json1_1PrincipalPermissions = (
   input: PrincipalPermissions,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Permissions !== undefined) {
-    bodyParams["Permissions"] = serializeAws_json1_1PermissionList(
-      input.Permissions,
-      context
-    );
-  }
-  if (input.Principal !== undefined) {
-    bodyParams["Principal"] = serializeAws_json1_1DataLakePrincipal(
-      input.Principal,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Permissions !== undefined && {
+      Permissions: serializeAws_json1_1PermissionList(
+        input.Permissions,
+        context
+      )
+    }),
+    ...(input.Principal !== undefined && {
+      Principal: serializeAws_json1_1DataLakePrincipal(input.Principal, context)
+    })
+  };
 };
 
 const serializeAws_json1_1PrincipalPermissionsList = (
@@ -16118,67 +15907,55 @@ const serializeAws_json1_1PropertyPredicate = (
   input: PropertyPredicate,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Comparator !== undefined) {
-    bodyParams["Comparator"] = input.Comparator;
-  }
-  if (input.Key !== undefined) {
-    bodyParams["Key"] = input.Key;
-  }
-  if (input.Value !== undefined) {
-    bodyParams["Value"] = input.Value;
-  }
-  return bodyParams;
+  return {
+    ...(input.Comparator !== undefined && { Comparator: input.Comparator }),
+    ...(input.Key !== undefined && { Key: input.Key }),
+    ...(input.Value !== undefined && { Value: input.Value })
+  };
 };
 
 const serializeAws_json1_1PutDataCatalogEncryptionSettingsRequest = (
   input: PutDataCatalogEncryptionSettingsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CatalogId !== undefined) {
-    bodyParams["CatalogId"] = input.CatalogId;
-  }
-  if (input.DataCatalogEncryptionSettings !== undefined) {
-    bodyParams[
-      "DataCatalogEncryptionSettings"
-    ] = serializeAws_json1_1DataCatalogEncryptionSettings(
-      input.DataCatalogEncryptionSettings,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.CatalogId !== undefined && { CatalogId: input.CatalogId }),
+    ...(input.DataCatalogEncryptionSettings !== undefined && {
+      DataCatalogEncryptionSettings: serializeAws_json1_1DataCatalogEncryptionSettings(
+        input.DataCatalogEncryptionSettings,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1PutResourcePolicyRequest = (
   input: PutResourcePolicyRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.PolicyExistsCondition !== undefined) {
-    bodyParams["PolicyExistsCondition"] = input.PolicyExistsCondition;
-  }
-  if (input.PolicyHashCondition !== undefined) {
-    bodyParams["PolicyHashCondition"] = input.PolicyHashCondition;
-  }
-  if (input.PolicyInJson !== undefined) {
-    bodyParams["PolicyInJson"] = input.PolicyInJson;
-  }
-  return bodyParams;
+  return {
+    ...(input.PolicyExistsCondition !== undefined && {
+      PolicyExistsCondition: input.PolicyExistsCondition
+    }),
+    ...(input.PolicyHashCondition !== undefined && {
+      PolicyHashCondition: input.PolicyHashCondition
+    }),
+    ...(input.PolicyInJson !== undefined && {
+      PolicyInJson: input.PolicyInJson
+    })
+  };
 };
 
 const serializeAws_json1_1ResourceUri = (
   input: ResourceUri,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceType !== undefined) {
-    bodyParams["ResourceType"] = input.ResourceType;
-  }
-  if (input.Uri !== undefined) {
-    bodyParams["Uri"] = input.Uri;
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceType !== undefined && {
+      ResourceType: input.ResourceType
+    }),
+    ...(input.Uri !== undefined && { Uri: input.Uri })
+  };
 };
 
 const serializeAws_json1_1ResourceUriList = (
@@ -16201,32 +15978,24 @@ const serializeAws_json1_1SearchTablesRequest = (
   input: SearchTablesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CatalogId !== undefined) {
-    bodyParams["CatalogId"] = input.CatalogId;
-  }
-  if (input.Filters !== undefined) {
-    bodyParams["Filters"] = serializeAws_json1_1SearchPropertyPredicates(
-      input.Filters,
-      context
-    );
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.SearchText !== undefined) {
-    bodyParams["SearchText"] = input.SearchText;
-  }
-  if (input.SortCriteria !== undefined) {
-    bodyParams["SortCriteria"] = serializeAws_json1_1SortCriteria(
-      input.SortCriteria,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.CatalogId !== undefined && { CatalogId: input.CatalogId }),
+    ...(input.Filters !== undefined && {
+      Filters: serializeAws_json1_1SearchPropertyPredicates(
+        input.Filters,
+        context
+      )
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.SearchText !== undefined && { SearchText: input.SearchText }),
+    ...(input.SortCriteria !== undefined && {
+      SortCriteria: serializeAws_json1_1SortCriteria(
+        input.SortCriteria,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1SecurityGroupIdList = (
@@ -16240,64 +16009,55 @@ const serializeAws_json1_1Segment = (
   input: Segment,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.SegmentNumber !== undefined) {
-    bodyParams["SegmentNumber"] = input.SegmentNumber;
-  }
-  if (input.TotalSegments !== undefined) {
-    bodyParams["TotalSegments"] = input.TotalSegments;
-  }
-  return bodyParams;
+  return {
+    ...(input.SegmentNumber !== undefined && {
+      SegmentNumber: input.SegmentNumber
+    }),
+    ...(input.TotalSegments !== undefined && {
+      TotalSegments: input.TotalSegments
+    })
+  };
 };
 
 const serializeAws_json1_1SerDeInfo = (
   input: SerDeInfo,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.Parameters !== undefined) {
-    bodyParams["Parameters"] = serializeAws_json1_1ParametersMap(
-      input.Parameters,
-      context
-    );
-  }
-  if (input.SerializationLibrary !== undefined) {
-    bodyParams["SerializationLibrary"] = input.SerializationLibrary;
-  }
-  return bodyParams;
+  return {
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.Parameters !== undefined && {
+      Parameters: serializeAws_json1_1ParametersMap(input.Parameters, context)
+    }),
+    ...(input.SerializationLibrary !== undefined && {
+      SerializationLibrary: input.SerializationLibrary
+    })
+  };
 };
 
 const serializeAws_json1_1SkewedInfo = (
   input: SkewedInfo,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.SkewedColumnNames !== undefined) {
-    bodyParams["SkewedColumnNames"] = serializeAws_json1_1NameStringList(
-      input.SkewedColumnNames,
-      context
-    );
-  }
-  if (input.SkewedColumnValueLocationMaps !== undefined) {
-    bodyParams[
-      "SkewedColumnValueLocationMaps"
-    ] = serializeAws_json1_1LocationMap(
-      input.SkewedColumnValueLocationMaps,
-      context
-    );
-  }
-  if (input.SkewedColumnValues !== undefined) {
-    bodyParams[
-      "SkewedColumnValues"
-    ] = serializeAws_json1_1ColumnValueStringList(
-      input.SkewedColumnValues,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.SkewedColumnNames !== undefined && {
+      SkewedColumnNames: serializeAws_json1_1NameStringList(
+        input.SkewedColumnNames,
+        context
+      )
+    }),
+    ...(input.SkewedColumnValueLocationMaps !== undefined && {
+      SkewedColumnValueLocationMaps: serializeAws_json1_1LocationMap(
+        input.SkewedColumnValueLocationMaps,
+        context
+      )
+    }),
+    ...(input.SkewedColumnValues !== undefined && {
+      SkewedColumnValues: serializeAws_json1_1ColumnValueStringList(
+        input.SkewedColumnValues,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1SortCriteria = (
@@ -16311,276 +16071,205 @@ const serializeAws_json1_1SortCriterion = (
   input: SortCriterion,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.FieldName !== undefined) {
-    bodyParams["FieldName"] = input.FieldName;
-  }
-  if (input.Sort !== undefined) {
-    bodyParams["Sort"] = input.Sort;
-  }
-  return bodyParams;
+  return {
+    ...(input.FieldName !== undefined && { FieldName: input.FieldName }),
+    ...(input.Sort !== undefined && { Sort: input.Sort })
+  };
 };
 
 const serializeAws_json1_1StorageDescriptor = (
   input: StorageDescriptor,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.BucketColumns !== undefined) {
-    bodyParams["BucketColumns"] = serializeAws_json1_1NameStringList(
-      input.BucketColumns,
-      context
-    );
-  }
-  if (input.Columns !== undefined) {
-    bodyParams["Columns"] = serializeAws_json1_1ColumnList(
-      input.Columns,
-      context
-    );
-  }
-  if (input.Compressed !== undefined) {
-    bodyParams["Compressed"] = input.Compressed;
-  }
-  if (input.InputFormat !== undefined) {
-    bodyParams["InputFormat"] = input.InputFormat;
-  }
-  if (input.Location !== undefined) {
-    bodyParams["Location"] = input.Location;
-  }
-  if (input.NumberOfBuckets !== undefined) {
-    bodyParams["NumberOfBuckets"] = input.NumberOfBuckets;
-  }
-  if (input.OutputFormat !== undefined) {
-    bodyParams["OutputFormat"] = input.OutputFormat;
-  }
-  if (input.Parameters !== undefined) {
-    bodyParams["Parameters"] = serializeAws_json1_1ParametersMap(
-      input.Parameters,
-      context
-    );
-  }
-  if (input.SerdeInfo !== undefined) {
-    bodyParams["SerdeInfo"] = serializeAws_json1_1SerDeInfo(
-      input.SerdeInfo,
-      context
-    );
-  }
-  if (input.SkewedInfo !== undefined) {
-    bodyParams["SkewedInfo"] = serializeAws_json1_1SkewedInfo(
-      input.SkewedInfo,
-      context
-    );
-  }
-  if (input.SortColumns !== undefined) {
-    bodyParams["SortColumns"] = serializeAws_json1_1OrderList(
-      input.SortColumns,
-      context
-    );
-  }
-  if (input.StoredAsSubDirectories !== undefined) {
-    bodyParams["StoredAsSubDirectories"] = input.StoredAsSubDirectories;
-  }
-  return bodyParams;
+  return {
+    ...(input.BucketColumns !== undefined && {
+      BucketColumns: serializeAws_json1_1NameStringList(
+        input.BucketColumns,
+        context
+      )
+    }),
+    ...(input.Columns !== undefined && {
+      Columns: serializeAws_json1_1ColumnList(input.Columns, context)
+    }),
+    ...(input.Compressed !== undefined && { Compressed: input.Compressed }),
+    ...(input.InputFormat !== undefined && { InputFormat: input.InputFormat }),
+    ...(input.Location !== undefined && { Location: input.Location }),
+    ...(input.NumberOfBuckets !== undefined && {
+      NumberOfBuckets: input.NumberOfBuckets
+    }),
+    ...(input.OutputFormat !== undefined && {
+      OutputFormat: input.OutputFormat
+    }),
+    ...(input.Parameters !== undefined && {
+      Parameters: serializeAws_json1_1ParametersMap(input.Parameters, context)
+    }),
+    ...(input.SerdeInfo !== undefined && {
+      SerdeInfo: serializeAws_json1_1SerDeInfo(input.SerdeInfo, context)
+    }),
+    ...(input.SkewedInfo !== undefined && {
+      SkewedInfo: serializeAws_json1_1SkewedInfo(input.SkewedInfo, context)
+    }),
+    ...(input.SortColumns !== undefined && {
+      SortColumns: serializeAws_json1_1OrderList(input.SortColumns, context)
+    }),
+    ...(input.StoredAsSubDirectories !== undefined && {
+      StoredAsSubDirectories: input.StoredAsSubDirectories
+    })
+  };
 };
 
 const serializeAws_json1_1TableInput = (
   input: TableInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.LastAccessTime !== undefined) {
-    bodyParams["LastAccessTime"] = Math.round(
-      input.LastAccessTime.getTime() / 1000
-    );
-  }
-  if (input.LastAnalyzedTime !== undefined) {
-    bodyParams["LastAnalyzedTime"] = Math.round(
-      input.LastAnalyzedTime.getTime() / 1000
-    );
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.Owner !== undefined) {
-    bodyParams["Owner"] = input.Owner;
-  }
-  if (input.Parameters !== undefined) {
-    bodyParams["Parameters"] = serializeAws_json1_1ParametersMap(
-      input.Parameters,
-      context
-    );
-  }
-  if (input.PartitionKeys !== undefined) {
-    bodyParams["PartitionKeys"] = serializeAws_json1_1ColumnList(
-      input.PartitionKeys,
-      context
-    );
-  }
-  if (input.Retention !== undefined) {
-    bodyParams["Retention"] = input.Retention;
-  }
-  if (input.StorageDescriptor !== undefined) {
-    bodyParams["StorageDescriptor"] = serializeAws_json1_1StorageDescriptor(
-      input.StorageDescriptor,
-      context
-    );
-  }
-  if (input.TableType !== undefined) {
-    bodyParams["TableType"] = input.TableType;
-  }
-  if (input.ViewExpandedText !== undefined) {
-    bodyParams["ViewExpandedText"] = input.ViewExpandedText;
-  }
-  if (input.ViewOriginalText !== undefined) {
-    bodyParams["ViewOriginalText"] = input.ViewOriginalText;
-  }
-  return bodyParams;
+  return {
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.LastAccessTime !== undefined && {
+      LastAccessTime: Math.round(input.LastAccessTime.getTime() / 1000)
+    }),
+    ...(input.LastAnalyzedTime !== undefined && {
+      LastAnalyzedTime: Math.round(input.LastAnalyzedTime.getTime() / 1000)
+    }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.Owner !== undefined && { Owner: input.Owner }),
+    ...(input.Parameters !== undefined && {
+      Parameters: serializeAws_json1_1ParametersMap(input.Parameters, context)
+    }),
+    ...(input.PartitionKeys !== undefined && {
+      PartitionKeys: serializeAws_json1_1ColumnList(
+        input.PartitionKeys,
+        context
+      )
+    }),
+    ...(input.Retention !== undefined && { Retention: input.Retention }),
+    ...(input.StorageDescriptor !== undefined && {
+      StorageDescriptor: serializeAws_json1_1StorageDescriptor(
+        input.StorageDescriptor,
+        context
+      )
+    }),
+    ...(input.TableType !== undefined && { TableType: input.TableType }),
+    ...(input.ViewExpandedText !== undefined && {
+      ViewExpandedText: input.ViewExpandedText
+    }),
+    ...(input.ViewOriginalText !== undefined && {
+      ViewOriginalText: input.ViewOriginalText
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateConnectionRequest = (
   input: UpdateConnectionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CatalogId !== undefined) {
-    bodyParams["CatalogId"] = input.CatalogId;
-  }
-  if (input.ConnectionInput !== undefined) {
-    bodyParams["ConnectionInput"] = serializeAws_json1_1ConnectionInput(
-      input.ConnectionInput,
-      context
-    );
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.CatalogId !== undefined && { CatalogId: input.CatalogId }),
+    ...(input.ConnectionInput !== undefined && {
+      ConnectionInput: serializeAws_json1_1ConnectionInput(
+        input.ConnectionInput,
+        context
+      )
+    }),
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1UpdateDatabaseRequest = (
   input: UpdateDatabaseRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CatalogId !== undefined) {
-    bodyParams["CatalogId"] = input.CatalogId;
-  }
-  if (input.DatabaseInput !== undefined) {
-    bodyParams["DatabaseInput"] = serializeAws_json1_1DatabaseInput(
-      input.DatabaseInput,
-      context
-    );
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.CatalogId !== undefined && { CatalogId: input.CatalogId }),
+    ...(input.DatabaseInput !== undefined && {
+      DatabaseInput: serializeAws_json1_1DatabaseInput(
+        input.DatabaseInput,
+        context
+      )
+    }),
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1UpdatePartitionRequest = (
   input: UpdatePartitionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CatalogId !== undefined) {
-    bodyParams["CatalogId"] = input.CatalogId;
-  }
-  if (input.DatabaseName !== undefined) {
-    bodyParams["DatabaseName"] = input.DatabaseName;
-  }
-  if (input.PartitionInput !== undefined) {
-    bodyParams["PartitionInput"] = serializeAws_json1_1PartitionInput(
-      input.PartitionInput,
-      context
-    );
-  }
-  if (input.PartitionValueList !== undefined) {
-    bodyParams[
-      "PartitionValueList"
-    ] = serializeAws_json1_1BoundedPartitionValueList(
-      input.PartitionValueList,
-      context
-    );
-  }
-  if (input.TableName !== undefined) {
-    bodyParams["TableName"] = input.TableName;
-  }
-  return bodyParams;
+  return {
+    ...(input.CatalogId !== undefined && { CatalogId: input.CatalogId }),
+    ...(input.DatabaseName !== undefined && {
+      DatabaseName: input.DatabaseName
+    }),
+    ...(input.PartitionInput !== undefined && {
+      PartitionInput: serializeAws_json1_1PartitionInput(
+        input.PartitionInput,
+        context
+      )
+    }),
+    ...(input.PartitionValueList !== undefined && {
+      PartitionValueList: serializeAws_json1_1BoundedPartitionValueList(
+        input.PartitionValueList,
+        context
+      )
+    }),
+    ...(input.TableName !== undefined && { TableName: input.TableName })
+  };
 };
 
 const serializeAws_json1_1UpdateTableRequest = (
   input: UpdateTableRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CatalogId !== undefined) {
-    bodyParams["CatalogId"] = input.CatalogId;
-  }
-  if (input.DatabaseName !== undefined) {
-    bodyParams["DatabaseName"] = input.DatabaseName;
-  }
-  if (input.SkipArchive !== undefined) {
-    bodyParams["SkipArchive"] = input.SkipArchive;
-  }
-  if (input.TableInput !== undefined) {
-    bodyParams["TableInput"] = serializeAws_json1_1TableInput(
-      input.TableInput,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.CatalogId !== undefined && { CatalogId: input.CatalogId }),
+    ...(input.DatabaseName !== undefined && {
+      DatabaseName: input.DatabaseName
+    }),
+    ...(input.SkipArchive !== undefined && { SkipArchive: input.SkipArchive }),
+    ...(input.TableInput !== undefined && {
+      TableInput: serializeAws_json1_1TableInput(input.TableInput, context)
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateUserDefinedFunctionRequest = (
   input: UpdateUserDefinedFunctionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CatalogId !== undefined) {
-    bodyParams["CatalogId"] = input.CatalogId;
-  }
-  if (input.DatabaseName !== undefined) {
-    bodyParams["DatabaseName"] = input.DatabaseName;
-  }
-  if (input.FunctionInput !== undefined) {
-    bodyParams["FunctionInput"] = serializeAws_json1_1UserDefinedFunctionInput(
-      input.FunctionInput,
-      context
-    );
-  }
-  if (input.FunctionName !== undefined) {
-    bodyParams["FunctionName"] = input.FunctionName;
-  }
-  return bodyParams;
+  return {
+    ...(input.CatalogId !== undefined && { CatalogId: input.CatalogId }),
+    ...(input.DatabaseName !== undefined && {
+      DatabaseName: input.DatabaseName
+    }),
+    ...(input.FunctionInput !== undefined && {
+      FunctionInput: serializeAws_json1_1UserDefinedFunctionInput(
+        input.FunctionInput,
+        context
+      )
+    }),
+    ...(input.FunctionName !== undefined && {
+      FunctionName: input.FunctionName
+    })
+  };
 };
 
 const serializeAws_json1_1UserDefinedFunctionInput = (
   input: UserDefinedFunctionInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ClassName !== undefined) {
-    bodyParams["ClassName"] = input.ClassName;
-  }
-  if (input.FunctionName !== undefined) {
-    bodyParams["FunctionName"] = input.FunctionName;
-  }
-  if (input.OwnerName !== undefined) {
-    bodyParams["OwnerName"] = input.OwnerName;
-  }
-  if (input.OwnerType !== undefined) {
-    bodyParams["OwnerType"] = input.OwnerType;
-  }
-  if (input.ResourceUris !== undefined) {
-    bodyParams["ResourceUris"] = serializeAws_json1_1ResourceUriList(
-      input.ResourceUris,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ClassName !== undefined && { ClassName: input.ClassName }),
+    ...(input.FunctionName !== undefined && {
+      FunctionName: input.FunctionName
+    }),
+    ...(input.OwnerName !== undefined && { OwnerName: input.OwnerName }),
+    ...(input.OwnerType !== undefined && { OwnerType: input.OwnerType }),
+    ...(input.ResourceUris !== undefined && {
+      ResourceUris: serializeAws_json1_1ResourceUriList(
+        input.ResourceUris,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1ValueStringList = (
@@ -16594,145 +16283,121 @@ const serializeAws_json1_1BatchGetDevEndpointsRequest = (
   input: BatchGetDevEndpointsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DevEndpointNames !== undefined) {
-    bodyParams["DevEndpointNames"] = serializeAws_json1_1DevEndpointNames(
-      input.DevEndpointNames,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.DevEndpointNames !== undefined && {
+      DevEndpointNames: serializeAws_json1_1DevEndpointNames(
+        input.DevEndpointNames,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1CloudWatchEncryption = (
   input: CloudWatchEncryption,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CloudWatchEncryptionMode !== undefined) {
-    bodyParams["CloudWatchEncryptionMode"] = input.CloudWatchEncryptionMode;
-  }
-  if (input.KmsKeyArn !== undefined) {
-    bodyParams["KmsKeyArn"] = input.KmsKeyArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.CloudWatchEncryptionMode !== undefined && {
+      CloudWatchEncryptionMode: input.CloudWatchEncryptionMode
+    }),
+    ...(input.KmsKeyArn !== undefined && { KmsKeyArn: input.KmsKeyArn })
+  };
 };
 
 const serializeAws_json1_1CreateDevEndpointRequest = (
   input: CreateDevEndpointRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Arguments !== undefined) {
-    bodyParams["Arguments"] = serializeAws_json1_1MapValue(
-      input.Arguments,
-      context
-    );
-  }
-  if (input.EndpointName !== undefined) {
-    bodyParams["EndpointName"] = input.EndpointName;
-  }
-  if (input.ExtraJarsS3Path !== undefined) {
-    bodyParams["ExtraJarsS3Path"] = input.ExtraJarsS3Path;
-  }
-  if (input.ExtraPythonLibsS3Path !== undefined) {
-    bodyParams["ExtraPythonLibsS3Path"] = input.ExtraPythonLibsS3Path;
-  }
-  if (input.GlueVersion !== undefined) {
-    bodyParams["GlueVersion"] = input.GlueVersion;
-  }
-  if (input.NumberOfNodes !== undefined) {
-    bodyParams["NumberOfNodes"] = input.NumberOfNodes;
-  }
-  if (input.NumberOfWorkers !== undefined) {
-    bodyParams["NumberOfWorkers"] = input.NumberOfWorkers;
-  }
-  if (input.PublicKey !== undefined) {
-    bodyParams["PublicKey"] = input.PublicKey;
-  }
-  if (input.PublicKeys !== undefined) {
-    bodyParams["PublicKeys"] = serializeAws_json1_1PublicKeysList(
-      input.PublicKeys,
-      context
-    );
-  }
-  if (input.RoleArn !== undefined) {
-    bodyParams["RoleArn"] = input.RoleArn;
-  }
-  if (input.SecurityConfiguration !== undefined) {
-    bodyParams["SecurityConfiguration"] = input.SecurityConfiguration;
-  }
-  if (input.SecurityGroupIds !== undefined) {
-    bodyParams["SecurityGroupIds"] = serializeAws_json1_1StringList(
-      input.SecurityGroupIds,
-      context
-    );
-  }
-  if (input.SubnetId !== undefined) {
-    bodyParams["SubnetId"] = input.SubnetId;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagsMap(input.Tags, context);
-  }
-  if (input.WorkerType !== undefined) {
-    bodyParams["WorkerType"] = input.WorkerType;
-  }
-  return bodyParams;
+  return {
+    ...(input.Arguments !== undefined && {
+      Arguments: serializeAws_json1_1MapValue(input.Arguments, context)
+    }),
+    ...(input.EndpointName !== undefined && {
+      EndpointName: input.EndpointName
+    }),
+    ...(input.ExtraJarsS3Path !== undefined && {
+      ExtraJarsS3Path: input.ExtraJarsS3Path
+    }),
+    ...(input.ExtraPythonLibsS3Path !== undefined && {
+      ExtraPythonLibsS3Path: input.ExtraPythonLibsS3Path
+    }),
+    ...(input.GlueVersion !== undefined && { GlueVersion: input.GlueVersion }),
+    ...(input.NumberOfNodes !== undefined && {
+      NumberOfNodes: input.NumberOfNodes
+    }),
+    ...(input.NumberOfWorkers !== undefined && {
+      NumberOfWorkers: input.NumberOfWorkers
+    }),
+    ...(input.PublicKey !== undefined && { PublicKey: input.PublicKey }),
+    ...(input.PublicKeys !== undefined && {
+      PublicKeys: serializeAws_json1_1PublicKeysList(input.PublicKeys, context)
+    }),
+    ...(input.RoleArn !== undefined && { RoleArn: input.RoleArn }),
+    ...(input.SecurityConfiguration !== undefined && {
+      SecurityConfiguration: input.SecurityConfiguration
+    }),
+    ...(input.SecurityGroupIds !== undefined && {
+      SecurityGroupIds: serializeAws_json1_1StringList(
+        input.SecurityGroupIds,
+        context
+      )
+    }),
+    ...(input.SubnetId !== undefined && { SubnetId: input.SubnetId }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagsMap(input.Tags, context)
+    }),
+    ...(input.WorkerType !== undefined && { WorkerType: input.WorkerType })
+  };
 };
 
 const serializeAws_json1_1CreateSecurityConfigurationRequest = (
   input: CreateSecurityConfigurationRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EncryptionConfiguration !== undefined) {
-    bodyParams[
-      "EncryptionConfiguration"
-    ] = serializeAws_json1_1EncryptionConfiguration(
-      input.EncryptionConfiguration,
-      context
-    );
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.EncryptionConfiguration !== undefined && {
+      EncryptionConfiguration: serializeAws_json1_1EncryptionConfiguration(
+        input.EncryptionConfiguration,
+        context
+      )
+    }),
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1DeleteDevEndpointRequest = (
   input: DeleteDevEndpointRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EndpointName !== undefined) {
-    bodyParams["EndpointName"] = input.EndpointName;
-  }
-  return bodyParams;
+  return {
+    ...(input.EndpointName !== undefined && {
+      EndpointName: input.EndpointName
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteSecurityConfigurationRequest = (
   input: DeleteSecurityConfigurationRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1DevEndpointCustomLibraries = (
   input: DevEndpointCustomLibraries,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ExtraJarsS3Path !== undefined) {
-    bodyParams["ExtraJarsS3Path"] = input.ExtraJarsS3Path;
-  }
-  if (input.ExtraPythonLibsS3Path !== undefined) {
-    bodyParams["ExtraPythonLibsS3Path"] = input.ExtraPythonLibsS3Path;
-  }
-  return bodyParams;
+  return {
+    ...(input.ExtraJarsS3Path !== undefined && {
+      ExtraJarsS3Path: input.ExtraJarsS3Path
+    }),
+    ...(input.ExtraPythonLibsS3Path !== undefined && {
+      ExtraPythonLibsS3Path: input.ExtraPythonLibsS3Path
+    })
+  };
 };
 
 const serializeAws_json1_1DevEndpointNames = (
@@ -16746,125 +16411,101 @@ const serializeAws_json1_1EncryptionConfiguration = (
   input: EncryptionConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CloudWatchEncryption !== undefined) {
-    bodyParams[
-      "CloudWatchEncryption"
-    ] = serializeAws_json1_1CloudWatchEncryption(
-      input.CloudWatchEncryption,
-      context
-    );
-  }
-  if (input.JobBookmarksEncryption !== undefined) {
-    bodyParams[
-      "JobBookmarksEncryption"
-    ] = serializeAws_json1_1JobBookmarksEncryption(
-      input.JobBookmarksEncryption,
-      context
-    );
-  }
-  if (input.S3Encryption !== undefined) {
-    bodyParams["S3Encryption"] = serializeAws_json1_1S3EncryptionList(
-      input.S3Encryption,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.CloudWatchEncryption !== undefined && {
+      CloudWatchEncryption: serializeAws_json1_1CloudWatchEncryption(
+        input.CloudWatchEncryption,
+        context
+      )
+    }),
+    ...(input.JobBookmarksEncryption !== undefined && {
+      JobBookmarksEncryption: serializeAws_json1_1JobBookmarksEncryption(
+        input.JobBookmarksEncryption,
+        context
+      )
+    }),
+    ...(input.S3Encryption !== undefined && {
+      S3Encryption: serializeAws_json1_1S3EncryptionList(
+        input.S3Encryption,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1GetDevEndpointRequest = (
   input: GetDevEndpointRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EndpointName !== undefined) {
-    bodyParams["EndpointName"] = input.EndpointName;
-  }
-  return bodyParams;
+  return {
+    ...(input.EndpointName !== undefined && {
+      EndpointName: input.EndpointName
+    })
+  };
 };
 
 const serializeAws_json1_1GetDevEndpointsRequest = (
   input: GetDevEndpointsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1GetJobBookmarkRequest = (
   input: GetJobBookmarkRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.JobName !== undefined) {
-    bodyParams["JobName"] = input.JobName;
-  }
-  if (input.RunId !== undefined) {
-    bodyParams["RunId"] = input.RunId;
-  }
-  return bodyParams;
+  return {
+    ...(input.JobName !== undefined && { JobName: input.JobName }),
+    ...(input.RunId !== undefined && { RunId: input.RunId })
+  };
 };
 
 const serializeAws_json1_1GetSecurityConfigurationRequest = (
   input: GetSecurityConfigurationRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1GetSecurityConfigurationsRequest = (
   input: GetSecurityConfigurationsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1JobBookmarksEncryption = (
   input: JobBookmarksEncryption,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.JobBookmarksEncryptionMode !== undefined) {
-    bodyParams["JobBookmarksEncryptionMode"] = input.JobBookmarksEncryptionMode;
-  }
-  if (input.KmsKeyArn !== undefined) {
-    bodyParams["KmsKeyArn"] = input.KmsKeyArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.JobBookmarksEncryptionMode !== undefined && {
+      JobBookmarksEncryptionMode: input.JobBookmarksEncryptionMode
+    }),
+    ...(input.KmsKeyArn !== undefined && { KmsKeyArn: input.KmsKeyArn })
+  };
 };
 
 const serializeAws_json1_1ListDevEndpointsRequest = (
   input: ListDevEndpointsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagsMap(input.Tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagsMap(input.Tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1MapValue = (
@@ -16888,28 +16529,22 @@ const serializeAws_json1_1ResetJobBookmarkRequest = (
   input: ResetJobBookmarkRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.JobName !== undefined) {
-    bodyParams["JobName"] = input.JobName;
-  }
-  if (input.RunId !== undefined) {
-    bodyParams["RunId"] = input.RunId;
-  }
-  return bodyParams;
+  return {
+    ...(input.JobName !== undefined && { JobName: input.JobName }),
+    ...(input.RunId !== undefined && { RunId: input.RunId })
+  };
 };
 
 const serializeAws_json1_1S3Encryption = (
   input: S3Encryption,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.KmsKeyArn !== undefined) {
-    bodyParams["KmsKeyArn"] = input.KmsKeyArn;
-  }
-  if (input.S3EncryptionMode !== undefined) {
-    bodyParams["S3EncryptionMode"] = input.S3EncryptionMode;
-  }
-  return bodyParams;
+  return {
+    ...(input.KmsKeyArn !== undefined && { KmsKeyArn: input.KmsKeyArn }),
+    ...(input.S3EncryptionMode !== undefined && {
+      S3EncryptionMode: input.S3EncryptionMode
+    })
+  };
 };
 
 const serializeAws_json1_1S3EncryptionList = (
@@ -16930,241 +16565,180 @@ const serializeAws_json1_1UpdateDevEndpointRequest = (
   input: UpdateDevEndpointRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AddArguments !== undefined) {
-    bodyParams["AddArguments"] = serializeAws_json1_1MapValue(
-      input.AddArguments,
-      context
-    );
-  }
-  if (input.AddPublicKeys !== undefined) {
-    bodyParams["AddPublicKeys"] = serializeAws_json1_1PublicKeysList(
-      input.AddPublicKeys,
-      context
-    );
-  }
-  if (input.CustomLibraries !== undefined) {
-    bodyParams[
-      "CustomLibraries"
-    ] = serializeAws_json1_1DevEndpointCustomLibraries(
-      input.CustomLibraries,
-      context
-    );
-  }
-  if (input.DeleteArguments !== undefined) {
-    bodyParams["DeleteArguments"] = serializeAws_json1_1StringList(
-      input.DeleteArguments,
-      context
-    );
-  }
-  if (input.DeletePublicKeys !== undefined) {
-    bodyParams["DeletePublicKeys"] = serializeAws_json1_1PublicKeysList(
-      input.DeletePublicKeys,
-      context
-    );
-  }
-  if (input.EndpointName !== undefined) {
-    bodyParams["EndpointName"] = input.EndpointName;
-  }
-  if (input.PublicKey !== undefined) {
-    bodyParams["PublicKey"] = input.PublicKey;
-  }
-  if (input.UpdateEtlLibraries !== undefined) {
-    bodyParams["UpdateEtlLibraries"] = input.UpdateEtlLibraries;
-  }
-  return bodyParams;
+  return {
+    ...(input.AddArguments !== undefined && {
+      AddArguments: serializeAws_json1_1MapValue(input.AddArguments, context)
+    }),
+    ...(input.AddPublicKeys !== undefined && {
+      AddPublicKeys: serializeAws_json1_1PublicKeysList(
+        input.AddPublicKeys,
+        context
+      )
+    }),
+    ...(input.CustomLibraries !== undefined && {
+      CustomLibraries: serializeAws_json1_1DevEndpointCustomLibraries(
+        input.CustomLibraries,
+        context
+      )
+    }),
+    ...(input.DeleteArguments !== undefined && {
+      DeleteArguments: serializeAws_json1_1StringList(
+        input.DeleteArguments,
+        context
+      )
+    }),
+    ...(input.DeletePublicKeys !== undefined && {
+      DeletePublicKeys: serializeAws_json1_1PublicKeysList(
+        input.DeletePublicKeys,
+        context
+      )
+    }),
+    ...(input.EndpointName !== undefined && {
+      EndpointName: input.EndpointName
+    }),
+    ...(input.PublicKey !== undefined && { PublicKey: input.PublicKey }),
+    ...(input.UpdateEtlLibraries !== undefined && {
+      UpdateEtlLibraries: input.UpdateEtlLibraries
+    })
+  };
 };
 
 const serializeAws_json1_1CancelMLTaskRunRequest = (
   input: CancelMLTaskRunRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.TaskRunId !== undefined) {
-    bodyParams["TaskRunId"] = input.TaskRunId;
-  }
-  if (input.TransformId !== undefined) {
-    bodyParams["TransformId"] = input.TransformId;
-  }
-  return bodyParams;
+  return {
+    ...(input.TaskRunId !== undefined && { TaskRunId: input.TaskRunId }),
+    ...(input.TransformId !== undefined && { TransformId: input.TransformId })
+  };
 };
 
 const serializeAws_json1_1CreateMLTransformRequest = (
   input: CreateMLTransformRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.GlueVersion !== undefined) {
-    bodyParams["GlueVersion"] = input.GlueVersion;
-  }
-  if (input.InputRecordTables !== undefined) {
-    bodyParams["InputRecordTables"] = serializeAws_json1_1GlueTables(
-      input.InputRecordTables,
-      context
-    );
-  }
-  if (input.MaxCapacity !== undefined) {
-    bodyParams["MaxCapacity"] = input.MaxCapacity;
-  }
-  if (input.MaxRetries !== undefined) {
-    bodyParams["MaxRetries"] = input.MaxRetries;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.NumberOfWorkers !== undefined) {
-    bodyParams["NumberOfWorkers"] = input.NumberOfWorkers;
-  }
-  if (input.Parameters !== undefined) {
-    bodyParams["Parameters"] = serializeAws_json1_1TransformParameters(
-      input.Parameters,
-      context
-    );
-  }
-  if (input.Role !== undefined) {
-    bodyParams["Role"] = input.Role;
-  }
-  if (input.Timeout !== undefined) {
-    bodyParams["Timeout"] = input.Timeout;
-  }
-  if (input.WorkerType !== undefined) {
-    bodyParams["WorkerType"] = input.WorkerType;
-  }
-  return bodyParams;
+  return {
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.GlueVersion !== undefined && { GlueVersion: input.GlueVersion }),
+    ...(input.InputRecordTables !== undefined && {
+      InputRecordTables: serializeAws_json1_1GlueTables(
+        input.InputRecordTables,
+        context
+      )
+    }),
+    ...(input.MaxCapacity !== undefined && { MaxCapacity: input.MaxCapacity }),
+    ...(input.MaxRetries !== undefined && { MaxRetries: input.MaxRetries }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.NumberOfWorkers !== undefined && {
+      NumberOfWorkers: input.NumberOfWorkers
+    }),
+    ...(input.Parameters !== undefined && {
+      Parameters: serializeAws_json1_1TransformParameters(
+        input.Parameters,
+        context
+      )
+    }),
+    ...(input.Role !== undefined && { Role: input.Role }),
+    ...(input.Timeout !== undefined && { Timeout: input.Timeout }),
+    ...(input.WorkerType !== undefined && { WorkerType: input.WorkerType })
+  };
 };
 
 const serializeAws_json1_1DeleteMLTransformRequest = (
   input: DeleteMLTransformRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.TransformId !== undefined) {
-    bodyParams["TransformId"] = input.TransformId;
-  }
-  return bodyParams;
+  return {
+    ...(input.TransformId !== undefined && { TransformId: input.TransformId })
+  };
 };
 
 const serializeAws_json1_1FindMatchesParameters = (
   input: FindMatchesParameters,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AccuracyCostTradeoff !== undefined) {
-    bodyParams["AccuracyCostTradeoff"] = input.AccuracyCostTradeoff;
-  }
-  if (input.EnforceProvidedLabels !== undefined) {
-    bodyParams["EnforceProvidedLabels"] = input.EnforceProvidedLabels;
-  }
-  if (input.PrecisionRecallTradeoff !== undefined) {
-    bodyParams["PrecisionRecallTradeoff"] = input.PrecisionRecallTradeoff;
-  }
-  if (input.PrimaryKeyColumnName !== undefined) {
-    bodyParams["PrimaryKeyColumnName"] = input.PrimaryKeyColumnName;
-  }
-  return bodyParams;
+  return {
+    ...(input.AccuracyCostTradeoff !== undefined && {
+      AccuracyCostTradeoff: input.AccuracyCostTradeoff
+    }),
+    ...(input.EnforceProvidedLabels !== undefined && {
+      EnforceProvidedLabels: input.EnforceProvidedLabels
+    }),
+    ...(input.PrecisionRecallTradeoff !== undefined && {
+      PrecisionRecallTradeoff: input.PrecisionRecallTradeoff
+    }),
+    ...(input.PrimaryKeyColumnName !== undefined && {
+      PrimaryKeyColumnName: input.PrimaryKeyColumnName
+    })
+  };
 };
 
 const serializeAws_json1_1GetMLTaskRunRequest = (
   input: GetMLTaskRunRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.TaskRunId !== undefined) {
-    bodyParams["TaskRunId"] = input.TaskRunId;
-  }
-  if (input.TransformId !== undefined) {
-    bodyParams["TransformId"] = input.TransformId;
-  }
-  return bodyParams;
+  return {
+    ...(input.TaskRunId !== undefined && { TaskRunId: input.TaskRunId }),
+    ...(input.TransformId !== undefined && { TransformId: input.TransformId })
+  };
 };
 
 const serializeAws_json1_1GetMLTaskRunsRequest = (
   input: GetMLTaskRunsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Filter !== undefined) {
-    bodyParams["Filter"] = serializeAws_json1_1TaskRunFilterCriteria(
-      input.Filter,
-      context
-    );
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.Sort !== undefined) {
-    bodyParams["Sort"] = serializeAws_json1_1TaskRunSortCriteria(
-      input.Sort,
-      context
-    );
-  }
-  if (input.TransformId !== undefined) {
-    bodyParams["TransformId"] = input.TransformId;
-  }
-  return bodyParams;
+  return {
+    ...(input.Filter !== undefined && {
+      Filter: serializeAws_json1_1TaskRunFilterCriteria(input.Filter, context)
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.Sort !== undefined && {
+      Sort: serializeAws_json1_1TaskRunSortCriteria(input.Sort, context)
+    }),
+    ...(input.TransformId !== undefined && { TransformId: input.TransformId })
+  };
 };
 
 const serializeAws_json1_1GetMLTransformRequest = (
   input: GetMLTransformRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.TransformId !== undefined) {
-    bodyParams["TransformId"] = input.TransformId;
-  }
-  return bodyParams;
+  return {
+    ...(input.TransformId !== undefined && { TransformId: input.TransformId })
+  };
 };
 
 const serializeAws_json1_1GetMLTransformsRequest = (
   input: GetMLTransformsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Filter !== undefined) {
-    bodyParams["Filter"] = serializeAws_json1_1TransformFilterCriteria(
-      input.Filter,
-      context
-    );
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.Sort !== undefined) {
-    bodyParams["Sort"] = serializeAws_json1_1TransformSortCriteria(
-      input.Sort,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Filter !== undefined && {
+      Filter: serializeAws_json1_1TransformFilterCriteria(input.Filter, context)
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.Sort !== undefined && {
+      Sort: serializeAws_json1_1TransformSortCriteria(input.Sort, context)
+    })
+  };
 };
 
 const serializeAws_json1_1GlueTable = (
   input: GlueTable,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CatalogId !== undefined) {
-    bodyParams["CatalogId"] = input.CatalogId;
-  }
-  if (input.ConnectionName !== undefined) {
-    bodyParams["ConnectionName"] = input.ConnectionName;
-  }
-  if (input.DatabaseName !== undefined) {
-    bodyParams["DatabaseName"] = input.DatabaseName;
-  }
-  if (input.TableName !== undefined) {
-    bodyParams["TableName"] = input.TableName;
-  }
-  return bodyParams;
+  return {
+    ...(input.CatalogId !== undefined && { CatalogId: input.CatalogId }),
+    ...(input.ConnectionName !== undefined && {
+      ConnectionName: input.ConnectionName
+    }),
+    ...(input.DatabaseName !== undefined && {
+      DatabaseName: input.DatabaseName
+    }),
+    ...(input.TableName !== undefined && { TableName: input.TableName })
+  };
 };
 
 const serializeAws_json1_1GlueTables = (
@@ -17178,173 +16752,130 @@ const serializeAws_json1_1SchemaColumn = (
   input: SchemaColumn,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DataType !== undefined) {
-    bodyParams["DataType"] = input.DataType;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.DataType !== undefined && { DataType: input.DataType }),
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1StartExportLabelsTaskRunRequest = (
   input: StartExportLabelsTaskRunRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.OutputS3Path !== undefined) {
-    bodyParams["OutputS3Path"] = input.OutputS3Path;
-  }
-  if (input.TransformId !== undefined) {
-    bodyParams["TransformId"] = input.TransformId;
-  }
-  return bodyParams;
+  return {
+    ...(input.OutputS3Path !== undefined && {
+      OutputS3Path: input.OutputS3Path
+    }),
+    ...(input.TransformId !== undefined && { TransformId: input.TransformId })
+  };
 };
 
 const serializeAws_json1_1StartImportLabelsTaskRunRequest = (
   input: StartImportLabelsTaskRunRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.InputS3Path !== undefined) {
-    bodyParams["InputS3Path"] = input.InputS3Path;
-  }
-  if (input.ReplaceAllLabels !== undefined) {
-    bodyParams["ReplaceAllLabels"] = input.ReplaceAllLabels;
-  }
-  if (input.TransformId !== undefined) {
-    bodyParams["TransformId"] = input.TransformId;
-  }
-  return bodyParams;
+  return {
+    ...(input.InputS3Path !== undefined && { InputS3Path: input.InputS3Path }),
+    ...(input.ReplaceAllLabels !== undefined && {
+      ReplaceAllLabels: input.ReplaceAllLabels
+    }),
+    ...(input.TransformId !== undefined && { TransformId: input.TransformId })
+  };
 };
 
 const serializeAws_json1_1StartMLEvaluationTaskRunRequest = (
   input: StartMLEvaluationTaskRunRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.TransformId !== undefined) {
-    bodyParams["TransformId"] = input.TransformId;
-  }
-  return bodyParams;
+  return {
+    ...(input.TransformId !== undefined && { TransformId: input.TransformId })
+  };
 };
 
 const serializeAws_json1_1StartMLLabelingSetGenerationTaskRunRequest = (
   input: StartMLLabelingSetGenerationTaskRunRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.OutputS3Path !== undefined) {
-    bodyParams["OutputS3Path"] = input.OutputS3Path;
-  }
-  if (input.TransformId !== undefined) {
-    bodyParams["TransformId"] = input.TransformId;
-  }
-  return bodyParams;
+  return {
+    ...(input.OutputS3Path !== undefined && {
+      OutputS3Path: input.OutputS3Path
+    }),
+    ...(input.TransformId !== undefined && { TransformId: input.TransformId })
+  };
 };
 
 const serializeAws_json1_1TaskRunFilterCriteria = (
   input: TaskRunFilterCriteria,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.StartedAfter !== undefined) {
-    bodyParams["StartedAfter"] = Math.round(
-      input.StartedAfter.getTime() / 1000
-    );
-  }
-  if (input.StartedBefore !== undefined) {
-    bodyParams["StartedBefore"] = Math.round(
-      input.StartedBefore.getTime() / 1000
-    );
-  }
-  if (input.Status !== undefined) {
-    bodyParams["Status"] = input.Status;
-  }
-  if (input.TaskRunType !== undefined) {
-    bodyParams["TaskRunType"] = input.TaskRunType;
-  }
-  return bodyParams;
+  return {
+    ...(input.StartedAfter !== undefined && {
+      StartedAfter: Math.round(input.StartedAfter.getTime() / 1000)
+    }),
+    ...(input.StartedBefore !== undefined && {
+      StartedBefore: Math.round(input.StartedBefore.getTime() / 1000)
+    }),
+    ...(input.Status !== undefined && { Status: input.Status }),
+    ...(input.TaskRunType !== undefined && { TaskRunType: input.TaskRunType })
+  };
 };
 
 const serializeAws_json1_1TaskRunSortCriteria = (
   input: TaskRunSortCriteria,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Column !== undefined) {
-    bodyParams["Column"] = input.Column;
-  }
-  if (input.SortDirection !== undefined) {
-    bodyParams["SortDirection"] = input.SortDirection;
-  }
-  return bodyParams;
+  return {
+    ...(input.Column !== undefined && { Column: input.Column }),
+    ...(input.SortDirection !== undefined && {
+      SortDirection: input.SortDirection
+    })
+  };
 };
 
 const serializeAws_json1_1TransformFilterCriteria = (
   input: TransformFilterCriteria,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CreatedAfter !== undefined) {
-    bodyParams["CreatedAfter"] = Math.round(
-      input.CreatedAfter.getTime() / 1000
-    );
-  }
-  if (input.CreatedBefore !== undefined) {
-    bodyParams["CreatedBefore"] = Math.round(
-      input.CreatedBefore.getTime() / 1000
-    );
-  }
-  if (input.GlueVersion !== undefined) {
-    bodyParams["GlueVersion"] = input.GlueVersion;
-  }
-  if (input.LastModifiedAfter !== undefined) {
-    bodyParams["LastModifiedAfter"] = Math.round(
-      input.LastModifiedAfter.getTime() / 1000
-    );
-  }
-  if (input.LastModifiedBefore !== undefined) {
-    bodyParams["LastModifiedBefore"] = Math.round(
-      input.LastModifiedBefore.getTime() / 1000
-    );
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.Schema !== undefined) {
-    bodyParams["Schema"] = serializeAws_json1_1TransformSchema(
-      input.Schema,
-      context
-    );
-  }
-  if (input.Status !== undefined) {
-    bodyParams["Status"] = input.Status;
-  }
-  if (input.TransformType !== undefined) {
-    bodyParams["TransformType"] = input.TransformType;
-  }
-  return bodyParams;
+  return {
+    ...(input.CreatedAfter !== undefined && {
+      CreatedAfter: Math.round(input.CreatedAfter.getTime() / 1000)
+    }),
+    ...(input.CreatedBefore !== undefined && {
+      CreatedBefore: Math.round(input.CreatedBefore.getTime() / 1000)
+    }),
+    ...(input.GlueVersion !== undefined && { GlueVersion: input.GlueVersion }),
+    ...(input.LastModifiedAfter !== undefined && {
+      LastModifiedAfter: Math.round(input.LastModifiedAfter.getTime() / 1000)
+    }),
+    ...(input.LastModifiedBefore !== undefined && {
+      LastModifiedBefore: Math.round(input.LastModifiedBefore.getTime() / 1000)
+    }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.Schema !== undefined && {
+      Schema: serializeAws_json1_1TransformSchema(input.Schema, context)
+    }),
+    ...(input.Status !== undefined && { Status: input.Status }),
+    ...(input.TransformType !== undefined && {
+      TransformType: input.TransformType
+    })
+  };
 };
 
 const serializeAws_json1_1TransformParameters = (
   input: TransformParameters,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.FindMatchesParameters !== undefined) {
-    bodyParams[
-      "FindMatchesParameters"
-    ] = serializeAws_json1_1FindMatchesParameters(
-      input.FindMatchesParameters,
-      context
-    );
-  }
-  if (input.TransformType !== undefined) {
-    bodyParams["TransformType"] = input.TransformType;
-  }
-  return bodyParams;
+  return {
+    ...(input.FindMatchesParameters !== undefined && {
+      FindMatchesParameters: serializeAws_json1_1FindMatchesParameters(
+        input.FindMatchesParameters,
+        context
+      )
+    }),
+    ...(input.TransformType !== undefined && {
+      TransformType: input.TransformType
+    })
+  };
 };
 
 const serializeAws_json1_1TransformSchema = (
@@ -17358,92 +16889,61 @@ const serializeAws_json1_1TransformSortCriteria = (
   input: TransformSortCriteria,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Column !== undefined) {
-    bodyParams["Column"] = input.Column;
-  }
-  if (input.SortDirection !== undefined) {
-    bodyParams["SortDirection"] = input.SortDirection;
-  }
-  return bodyParams;
+  return {
+    ...(input.Column !== undefined && { Column: input.Column }),
+    ...(input.SortDirection !== undefined && {
+      SortDirection: input.SortDirection
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateMLTransformRequest = (
   input: UpdateMLTransformRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.GlueVersion !== undefined) {
-    bodyParams["GlueVersion"] = input.GlueVersion;
-  }
-  if (input.MaxCapacity !== undefined) {
-    bodyParams["MaxCapacity"] = input.MaxCapacity;
-  }
-  if (input.MaxRetries !== undefined) {
-    bodyParams["MaxRetries"] = input.MaxRetries;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.NumberOfWorkers !== undefined) {
-    bodyParams["NumberOfWorkers"] = input.NumberOfWorkers;
-  }
-  if (input.Parameters !== undefined) {
-    bodyParams["Parameters"] = serializeAws_json1_1TransformParameters(
-      input.Parameters,
-      context
-    );
-  }
-  if (input.Role !== undefined) {
-    bodyParams["Role"] = input.Role;
-  }
-  if (input.Timeout !== undefined) {
-    bodyParams["Timeout"] = input.Timeout;
-  }
-  if (input.TransformId !== undefined) {
-    bodyParams["TransformId"] = input.TransformId;
-  }
-  if (input.WorkerType !== undefined) {
-    bodyParams["WorkerType"] = input.WorkerType;
-  }
-  return bodyParams;
+  return {
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.GlueVersion !== undefined && { GlueVersion: input.GlueVersion }),
+    ...(input.MaxCapacity !== undefined && { MaxCapacity: input.MaxCapacity }),
+    ...(input.MaxRetries !== undefined && { MaxRetries: input.MaxRetries }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.NumberOfWorkers !== undefined && {
+      NumberOfWorkers: input.NumberOfWorkers
+    }),
+    ...(input.Parameters !== undefined && {
+      Parameters: serializeAws_json1_1TransformParameters(
+        input.Parameters,
+        context
+      )
+    }),
+    ...(input.Role !== undefined && { Role: input.Role }),
+    ...(input.Timeout !== undefined && { Timeout: input.Timeout }),
+    ...(input.TransformId !== undefined && { TransformId: input.TransformId }),
+    ...(input.WorkerType !== undefined && { WorkerType: input.WorkerType })
+  };
 };
 
 const serializeAws_json1_1Action = (
   input: Action,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Arguments !== undefined) {
-    bodyParams["Arguments"] = serializeAws_json1_1GenericMap(
-      input.Arguments,
-      context
-    );
-  }
-  if (input.CrawlerName !== undefined) {
-    bodyParams["CrawlerName"] = input.CrawlerName;
-  }
-  if (input.JobName !== undefined) {
-    bodyParams["JobName"] = input.JobName;
-  }
-  if (input.NotificationProperty !== undefined) {
-    bodyParams[
-      "NotificationProperty"
-    ] = serializeAws_json1_1NotificationProperty(
-      input.NotificationProperty,
-      context
-    );
-  }
-  if (input.SecurityConfiguration !== undefined) {
-    bodyParams["SecurityConfiguration"] = input.SecurityConfiguration;
-  }
-  if (input.Timeout !== undefined) {
-    bodyParams["Timeout"] = input.Timeout;
-  }
-  return bodyParams;
+  return {
+    ...(input.Arguments !== undefined && {
+      Arguments: serializeAws_json1_1GenericMap(input.Arguments, context)
+    }),
+    ...(input.CrawlerName !== undefined && { CrawlerName: input.CrawlerName }),
+    ...(input.JobName !== undefined && { JobName: input.JobName }),
+    ...(input.NotificationProperty !== undefined && {
+      NotificationProperty: serializeAws_json1_1NotificationProperty(
+        input.NotificationProperty,
+        context
+      )
+    }),
+    ...(input.SecurityConfiguration !== undefined && {
+      SecurityConfiguration: input.SecurityConfiguration
+    }),
+    ...(input.Timeout !== undefined && { Timeout: input.Timeout })
+  };
 };
 
 const serializeAws_json1_1ActionList = (
@@ -17457,45 +16957,39 @@ const serializeAws_json1_1BatchGetJobsRequest = (
   input: BatchGetJobsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.JobNames !== undefined) {
-    bodyParams["JobNames"] = serializeAws_json1_1JobNameList(
-      input.JobNames,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.JobNames !== undefined && {
+      JobNames: serializeAws_json1_1JobNameList(input.JobNames, context)
+    })
+  };
 };
 
 const serializeAws_json1_1BatchGetTriggersRequest = (
   input: BatchGetTriggersRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.TriggerNames !== undefined) {
-    bodyParams["TriggerNames"] = serializeAws_json1_1TriggerNameList(
-      input.TriggerNames,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.TriggerNames !== undefined && {
+      TriggerNames: serializeAws_json1_1TriggerNameList(
+        input.TriggerNames,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1BatchGetWorkflowsRequest = (
   input: BatchGetWorkflowsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.IncludeGraph !== undefined) {
-    bodyParams["IncludeGraph"] = input.IncludeGraph;
-  }
-  if (input.Names !== undefined) {
-    bodyParams["Names"] = serializeAws_json1_1WorkflowNames(
-      input.Names,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.IncludeGraph !== undefined && {
+      IncludeGraph: input.IncludeGraph
+    }),
+    ...(input.Names !== undefined && {
+      Names: serializeAws_json1_1WorkflowNames(input.Names, context)
+    })
+  };
 };
 
 const serializeAws_json1_1BatchStopJobRunJobRunIdList = (
@@ -17509,40 +17003,30 @@ const serializeAws_json1_1BatchStopJobRunRequest = (
   input: BatchStopJobRunRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.JobName !== undefined) {
-    bodyParams["JobName"] = input.JobName;
-  }
-  if (input.JobRunIds !== undefined) {
-    bodyParams["JobRunIds"] = serializeAws_json1_1BatchStopJobRunJobRunIdList(
-      input.JobRunIds,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.JobName !== undefined && { JobName: input.JobName }),
+    ...(input.JobRunIds !== undefined && {
+      JobRunIds: serializeAws_json1_1BatchStopJobRunJobRunIdList(
+        input.JobRunIds,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1Condition = (
   input: Condition,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CrawlState !== undefined) {
-    bodyParams["CrawlState"] = input.CrawlState;
-  }
-  if (input.CrawlerName !== undefined) {
-    bodyParams["CrawlerName"] = input.CrawlerName;
-  }
-  if (input.JobName !== undefined) {
-    bodyParams["JobName"] = input.JobName;
-  }
-  if (input.LogicalOperator !== undefined) {
-    bodyParams["LogicalOperator"] = input.LogicalOperator;
-  }
-  if (input.State !== undefined) {
-    bodyParams["State"] = input.State;
-  }
-  return bodyParams;
+  return {
+    ...(input.CrawlState !== undefined && { CrawlState: input.CrawlState }),
+    ...(input.CrawlerName !== undefined && { CrawlerName: input.CrawlerName }),
+    ...(input.JobName !== undefined && { JobName: input.JobName }),
+    ...(input.LogicalOperator !== undefined && {
+      LogicalOperator: input.LogicalOperator
+    }),
+    ...(input.State !== undefined && { State: input.State })
+  };
 };
 
 const serializeAws_json1_1ConditionList = (
@@ -17556,203 +17040,154 @@ const serializeAws_json1_1ConnectionsList = (
   input: ConnectionsList,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Connections !== undefined) {
-    bodyParams["Connections"] = serializeAws_json1_1OrchestrationStringList(
-      input.Connections,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Connections !== undefined && {
+      Connections: serializeAws_json1_1OrchestrationStringList(
+        input.Connections,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1CreateJobRequest = (
   input: CreateJobRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AllocatedCapacity !== undefined) {
-    bodyParams["AllocatedCapacity"] = input.AllocatedCapacity;
-  }
-  if (input.Command !== undefined) {
-    bodyParams["Command"] = serializeAws_json1_1JobCommand(
-      input.Command,
-      context
-    );
-  }
-  if (input.Connections !== undefined) {
-    bodyParams["Connections"] = serializeAws_json1_1ConnectionsList(
-      input.Connections,
-      context
-    );
-  }
-  if (input.DefaultArguments !== undefined) {
-    bodyParams["DefaultArguments"] = serializeAws_json1_1GenericMap(
-      input.DefaultArguments,
-      context
-    );
-  }
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.ExecutionProperty !== undefined) {
-    bodyParams["ExecutionProperty"] = serializeAws_json1_1ExecutionProperty(
-      input.ExecutionProperty,
-      context
-    );
-  }
-  if (input.GlueVersion !== undefined) {
-    bodyParams["GlueVersion"] = input.GlueVersion;
-  }
-  if (input.LogUri !== undefined) {
-    bodyParams["LogUri"] = input.LogUri;
-  }
-  if (input.MaxCapacity !== undefined) {
-    bodyParams["MaxCapacity"] = input.MaxCapacity;
-  }
-  if (input.MaxRetries !== undefined) {
-    bodyParams["MaxRetries"] = input.MaxRetries;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.NotificationProperty !== undefined) {
-    bodyParams[
-      "NotificationProperty"
-    ] = serializeAws_json1_1NotificationProperty(
-      input.NotificationProperty,
-      context
-    );
-  }
-  if (input.NumberOfWorkers !== undefined) {
-    bodyParams["NumberOfWorkers"] = input.NumberOfWorkers;
-  }
-  if (input.Role !== undefined) {
-    bodyParams["Role"] = input.Role;
-  }
-  if (input.SecurityConfiguration !== undefined) {
-    bodyParams["SecurityConfiguration"] = input.SecurityConfiguration;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagsMap(input.Tags, context);
-  }
-  if (input.Timeout !== undefined) {
-    bodyParams["Timeout"] = input.Timeout;
-  }
-  if (input.WorkerType !== undefined) {
-    bodyParams["WorkerType"] = input.WorkerType;
-  }
-  return bodyParams;
+  return {
+    ...(input.AllocatedCapacity !== undefined && {
+      AllocatedCapacity: input.AllocatedCapacity
+    }),
+    ...(input.Command !== undefined && {
+      Command: serializeAws_json1_1JobCommand(input.Command, context)
+    }),
+    ...(input.Connections !== undefined && {
+      Connections: serializeAws_json1_1ConnectionsList(
+        input.Connections,
+        context
+      )
+    }),
+    ...(input.DefaultArguments !== undefined && {
+      DefaultArguments: serializeAws_json1_1GenericMap(
+        input.DefaultArguments,
+        context
+      )
+    }),
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.ExecutionProperty !== undefined && {
+      ExecutionProperty: serializeAws_json1_1ExecutionProperty(
+        input.ExecutionProperty,
+        context
+      )
+    }),
+    ...(input.GlueVersion !== undefined && { GlueVersion: input.GlueVersion }),
+    ...(input.LogUri !== undefined && { LogUri: input.LogUri }),
+    ...(input.MaxCapacity !== undefined && { MaxCapacity: input.MaxCapacity }),
+    ...(input.MaxRetries !== undefined && { MaxRetries: input.MaxRetries }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.NotificationProperty !== undefined && {
+      NotificationProperty: serializeAws_json1_1NotificationProperty(
+        input.NotificationProperty,
+        context
+      )
+    }),
+    ...(input.NumberOfWorkers !== undefined && {
+      NumberOfWorkers: input.NumberOfWorkers
+    }),
+    ...(input.Role !== undefined && { Role: input.Role }),
+    ...(input.SecurityConfiguration !== undefined && {
+      SecurityConfiguration: input.SecurityConfiguration
+    }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagsMap(input.Tags, context)
+    }),
+    ...(input.Timeout !== undefined && { Timeout: input.Timeout }),
+    ...(input.WorkerType !== undefined && { WorkerType: input.WorkerType })
+  };
 };
 
 const serializeAws_json1_1CreateTriggerRequest = (
   input: CreateTriggerRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Actions !== undefined) {
-    bodyParams["Actions"] = serializeAws_json1_1ActionList(
-      input.Actions,
-      context
-    );
-  }
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.Predicate !== undefined) {
-    bodyParams["Predicate"] = serializeAws_json1_1Predicate(
-      input.Predicate,
-      context
-    );
-  }
-  if (input.Schedule !== undefined) {
-    bodyParams["Schedule"] = input.Schedule;
-  }
-  if (input.StartOnCreation !== undefined) {
-    bodyParams["StartOnCreation"] = input.StartOnCreation;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagsMap(input.Tags, context);
-  }
-  if (input.Type !== undefined) {
-    bodyParams["Type"] = input.Type;
-  }
-  if (input.WorkflowName !== undefined) {
-    bodyParams["WorkflowName"] = input.WorkflowName;
-  }
-  return bodyParams;
+  return {
+    ...(input.Actions !== undefined && {
+      Actions: serializeAws_json1_1ActionList(input.Actions, context)
+    }),
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.Predicate !== undefined && {
+      Predicate: serializeAws_json1_1Predicate(input.Predicate, context)
+    }),
+    ...(input.Schedule !== undefined && { Schedule: input.Schedule }),
+    ...(input.StartOnCreation !== undefined && {
+      StartOnCreation: input.StartOnCreation
+    }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagsMap(input.Tags, context)
+    }),
+    ...(input.Type !== undefined && { Type: input.Type }),
+    ...(input.WorkflowName !== undefined && {
+      WorkflowName: input.WorkflowName
+    })
+  };
 };
 
 const serializeAws_json1_1CreateWorkflowRequest = (
   input: CreateWorkflowRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DefaultRunProperties !== undefined) {
-    bodyParams[
-      "DefaultRunProperties"
-    ] = serializeAws_json1_1WorkflowRunProperties(
-      input.DefaultRunProperties,
-      context
-    );
-  }
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagsMap(input.Tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.DefaultRunProperties !== undefined && {
+      DefaultRunProperties: serializeAws_json1_1WorkflowRunProperties(
+        input.DefaultRunProperties,
+        context
+      )
+    }),
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagsMap(input.Tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteJobRequest = (
   input: DeleteJobRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.JobName !== undefined) {
-    bodyParams["JobName"] = input.JobName;
-  }
-  return bodyParams;
+  return {
+    ...(input.JobName !== undefined && { JobName: input.JobName })
+  };
 };
 
 const serializeAws_json1_1DeleteTriggerRequest = (
   input: DeleteTriggerRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1DeleteWorkflowRequest = (
   input: DeleteWorkflowRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1ExecutionProperty = (
   input: ExecutionProperty,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxConcurrentRuns !== undefined) {
-    bodyParams["MaxConcurrentRuns"] = input.MaxConcurrentRuns;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxConcurrentRuns !== undefined && {
+      MaxConcurrentRuns: input.MaxConcurrentRuns
+    })
+  };
 };
 
 const serializeAws_json1_1GenericMap = (
@@ -17769,169 +17204,129 @@ const serializeAws_json1_1GetJobRequest = (
   input: GetJobRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.JobName !== undefined) {
-    bodyParams["JobName"] = input.JobName;
-  }
-  return bodyParams;
+  return {
+    ...(input.JobName !== undefined && { JobName: input.JobName })
+  };
 };
 
 const serializeAws_json1_1GetJobRunRequest = (
   input: GetJobRunRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.JobName !== undefined) {
-    bodyParams["JobName"] = input.JobName;
-  }
-  if (input.PredecessorsIncluded !== undefined) {
-    bodyParams["PredecessorsIncluded"] = input.PredecessorsIncluded;
-  }
-  if (input.RunId !== undefined) {
-    bodyParams["RunId"] = input.RunId;
-  }
-  return bodyParams;
+  return {
+    ...(input.JobName !== undefined && { JobName: input.JobName }),
+    ...(input.PredecessorsIncluded !== undefined && {
+      PredecessorsIncluded: input.PredecessorsIncluded
+    }),
+    ...(input.RunId !== undefined && { RunId: input.RunId })
+  };
 };
 
 const serializeAws_json1_1GetJobRunsRequest = (
   input: GetJobRunsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.JobName !== undefined) {
-    bodyParams["JobName"] = input.JobName;
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.JobName !== undefined && { JobName: input.JobName }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1GetJobsRequest = (
   input: GetJobsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1GetTriggerRequest = (
   input: GetTriggerRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1GetTriggersRequest = (
   input: GetTriggersRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DependentJobName !== undefined) {
-    bodyParams["DependentJobName"] = input.DependentJobName;
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.DependentJobName !== undefined && {
+      DependentJobName: input.DependentJobName
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1GetWorkflowRequest = (
   input: GetWorkflowRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.IncludeGraph !== undefined) {
-    bodyParams["IncludeGraph"] = input.IncludeGraph;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.IncludeGraph !== undefined && {
+      IncludeGraph: input.IncludeGraph
+    }),
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1GetWorkflowRunPropertiesRequest = (
   input: GetWorkflowRunPropertiesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.RunId !== undefined) {
-    bodyParams["RunId"] = input.RunId;
-  }
-  return bodyParams;
+  return {
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.RunId !== undefined && { RunId: input.RunId })
+  };
 };
 
 const serializeAws_json1_1GetWorkflowRunRequest = (
   input: GetWorkflowRunRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.IncludeGraph !== undefined) {
-    bodyParams["IncludeGraph"] = input.IncludeGraph;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.RunId !== undefined) {
-    bodyParams["RunId"] = input.RunId;
-  }
-  return bodyParams;
+  return {
+    ...(input.IncludeGraph !== undefined && {
+      IncludeGraph: input.IncludeGraph
+    }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.RunId !== undefined && { RunId: input.RunId })
+  };
 };
 
 const serializeAws_json1_1GetWorkflowRunsRequest = (
   input: GetWorkflowRunsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.IncludeGraph !== undefined) {
-    bodyParams["IncludeGraph"] = input.IncludeGraph;
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.IncludeGraph !== undefined && {
+      IncludeGraph: input.IncludeGraph
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1JobCommand = (
   input: JobCommand,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.PythonVersion !== undefined) {
-    bodyParams["PythonVersion"] = input.PythonVersion;
-  }
-  if (input.ScriptLocation !== undefined) {
-    bodyParams["ScriptLocation"] = input.ScriptLocation;
-  }
-  return bodyParams;
+  return {
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.PythonVersion !== undefined && {
+      PythonVersion: input.PythonVersion
+    }),
+    ...(input.ScriptLocation !== undefined && {
+      ScriptLocation: input.ScriptLocation
+    })
+  };
 };
 
 const serializeAws_json1_1JobNameList = (
@@ -17945,135 +17340,102 @@ const serializeAws_json1_1JobUpdate = (
   input: JobUpdate,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AllocatedCapacity !== undefined) {
-    bodyParams["AllocatedCapacity"] = input.AllocatedCapacity;
-  }
-  if (input.Command !== undefined) {
-    bodyParams["Command"] = serializeAws_json1_1JobCommand(
-      input.Command,
-      context
-    );
-  }
-  if (input.Connections !== undefined) {
-    bodyParams["Connections"] = serializeAws_json1_1ConnectionsList(
-      input.Connections,
-      context
-    );
-  }
-  if (input.DefaultArguments !== undefined) {
-    bodyParams["DefaultArguments"] = serializeAws_json1_1GenericMap(
-      input.DefaultArguments,
-      context
-    );
-  }
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.ExecutionProperty !== undefined) {
-    bodyParams["ExecutionProperty"] = serializeAws_json1_1ExecutionProperty(
-      input.ExecutionProperty,
-      context
-    );
-  }
-  if (input.GlueVersion !== undefined) {
-    bodyParams["GlueVersion"] = input.GlueVersion;
-  }
-  if (input.LogUri !== undefined) {
-    bodyParams["LogUri"] = input.LogUri;
-  }
-  if (input.MaxCapacity !== undefined) {
-    bodyParams["MaxCapacity"] = input.MaxCapacity;
-  }
-  if (input.MaxRetries !== undefined) {
-    bodyParams["MaxRetries"] = input.MaxRetries;
-  }
-  if (input.NotificationProperty !== undefined) {
-    bodyParams[
-      "NotificationProperty"
-    ] = serializeAws_json1_1NotificationProperty(
-      input.NotificationProperty,
-      context
-    );
-  }
-  if (input.NumberOfWorkers !== undefined) {
-    bodyParams["NumberOfWorkers"] = input.NumberOfWorkers;
-  }
-  if (input.Role !== undefined) {
-    bodyParams["Role"] = input.Role;
-  }
-  if (input.SecurityConfiguration !== undefined) {
-    bodyParams["SecurityConfiguration"] = input.SecurityConfiguration;
-  }
-  if (input.Timeout !== undefined) {
-    bodyParams["Timeout"] = input.Timeout;
-  }
-  if (input.WorkerType !== undefined) {
-    bodyParams["WorkerType"] = input.WorkerType;
-  }
-  return bodyParams;
+  return {
+    ...(input.AllocatedCapacity !== undefined && {
+      AllocatedCapacity: input.AllocatedCapacity
+    }),
+    ...(input.Command !== undefined && {
+      Command: serializeAws_json1_1JobCommand(input.Command, context)
+    }),
+    ...(input.Connections !== undefined && {
+      Connections: serializeAws_json1_1ConnectionsList(
+        input.Connections,
+        context
+      )
+    }),
+    ...(input.DefaultArguments !== undefined && {
+      DefaultArguments: serializeAws_json1_1GenericMap(
+        input.DefaultArguments,
+        context
+      )
+    }),
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.ExecutionProperty !== undefined && {
+      ExecutionProperty: serializeAws_json1_1ExecutionProperty(
+        input.ExecutionProperty,
+        context
+      )
+    }),
+    ...(input.GlueVersion !== undefined && { GlueVersion: input.GlueVersion }),
+    ...(input.LogUri !== undefined && { LogUri: input.LogUri }),
+    ...(input.MaxCapacity !== undefined && { MaxCapacity: input.MaxCapacity }),
+    ...(input.MaxRetries !== undefined && { MaxRetries: input.MaxRetries }),
+    ...(input.NotificationProperty !== undefined && {
+      NotificationProperty: serializeAws_json1_1NotificationProperty(
+        input.NotificationProperty,
+        context
+      )
+    }),
+    ...(input.NumberOfWorkers !== undefined && {
+      NumberOfWorkers: input.NumberOfWorkers
+    }),
+    ...(input.Role !== undefined && { Role: input.Role }),
+    ...(input.SecurityConfiguration !== undefined && {
+      SecurityConfiguration: input.SecurityConfiguration
+    }),
+    ...(input.Timeout !== undefined && { Timeout: input.Timeout }),
+    ...(input.WorkerType !== undefined && { WorkerType: input.WorkerType })
+  };
 };
 
 const serializeAws_json1_1ListJobsRequest = (
   input: ListJobsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagsMap(input.Tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagsMap(input.Tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1ListTriggersRequest = (
   input: ListTriggersRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DependentJobName !== undefined) {
-    bodyParams["DependentJobName"] = input.DependentJobName;
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagsMap(input.Tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.DependentJobName !== undefined && {
+      DependentJobName: input.DependentJobName
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagsMap(input.Tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1ListWorkflowsRequest = (
   input: ListWorkflowsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1NotificationProperty = (
   input: NotificationProperty,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.NotifyDelayAfter !== undefined) {
-    bodyParams["NotifyDelayAfter"] = input.NotifyDelayAfter;
-  }
-  return bodyParams;
+  return {
+    ...(input.NotifyDelayAfter !== undefined && {
+      NotifyDelayAfter: input.NotifyDelayAfter
+    })
+  };
 };
 
 const serializeAws_json1_1OrchestrationStringList = (
@@ -18087,116 +17449,86 @@ const serializeAws_json1_1Predicate = (
   input: Predicate,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Conditions !== undefined) {
-    bodyParams["Conditions"] = serializeAws_json1_1ConditionList(
-      input.Conditions,
-      context
-    );
-  }
-  if (input.Logical !== undefined) {
-    bodyParams["Logical"] = input.Logical;
-  }
-  return bodyParams;
+  return {
+    ...(input.Conditions !== undefined && {
+      Conditions: serializeAws_json1_1ConditionList(input.Conditions, context)
+    }),
+    ...(input.Logical !== undefined && { Logical: input.Logical })
+  };
 };
 
 const serializeAws_json1_1PutWorkflowRunPropertiesRequest = (
   input: PutWorkflowRunPropertiesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.RunId !== undefined) {
-    bodyParams["RunId"] = input.RunId;
-  }
-  if (input.RunProperties !== undefined) {
-    bodyParams["RunProperties"] = serializeAws_json1_1WorkflowRunProperties(
-      input.RunProperties,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.RunId !== undefined && { RunId: input.RunId }),
+    ...(input.RunProperties !== undefined && {
+      RunProperties: serializeAws_json1_1WorkflowRunProperties(
+        input.RunProperties,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1StartJobRunRequest = (
   input: StartJobRunRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AllocatedCapacity !== undefined) {
-    bodyParams["AllocatedCapacity"] = input.AllocatedCapacity;
-  }
-  if (input.Arguments !== undefined) {
-    bodyParams["Arguments"] = serializeAws_json1_1GenericMap(
-      input.Arguments,
-      context
-    );
-  }
-  if (input.JobName !== undefined) {
-    bodyParams["JobName"] = input.JobName;
-  }
-  if (input.JobRunId !== undefined) {
-    bodyParams["JobRunId"] = input.JobRunId;
-  }
-  if (input.MaxCapacity !== undefined) {
-    bodyParams["MaxCapacity"] = input.MaxCapacity;
-  }
-  if (input.NotificationProperty !== undefined) {
-    bodyParams[
-      "NotificationProperty"
-    ] = serializeAws_json1_1NotificationProperty(
-      input.NotificationProperty,
-      context
-    );
-  }
-  if (input.NumberOfWorkers !== undefined) {
-    bodyParams["NumberOfWorkers"] = input.NumberOfWorkers;
-  }
-  if (input.SecurityConfiguration !== undefined) {
-    bodyParams["SecurityConfiguration"] = input.SecurityConfiguration;
-  }
-  if (input.Timeout !== undefined) {
-    bodyParams["Timeout"] = input.Timeout;
-  }
-  if (input.WorkerType !== undefined) {
-    bodyParams["WorkerType"] = input.WorkerType;
-  }
-  return bodyParams;
+  return {
+    ...(input.AllocatedCapacity !== undefined && {
+      AllocatedCapacity: input.AllocatedCapacity
+    }),
+    ...(input.Arguments !== undefined && {
+      Arguments: serializeAws_json1_1GenericMap(input.Arguments, context)
+    }),
+    ...(input.JobName !== undefined && { JobName: input.JobName }),
+    ...(input.JobRunId !== undefined && { JobRunId: input.JobRunId }),
+    ...(input.MaxCapacity !== undefined && { MaxCapacity: input.MaxCapacity }),
+    ...(input.NotificationProperty !== undefined && {
+      NotificationProperty: serializeAws_json1_1NotificationProperty(
+        input.NotificationProperty,
+        context
+      )
+    }),
+    ...(input.NumberOfWorkers !== undefined && {
+      NumberOfWorkers: input.NumberOfWorkers
+    }),
+    ...(input.SecurityConfiguration !== undefined && {
+      SecurityConfiguration: input.SecurityConfiguration
+    }),
+    ...(input.Timeout !== undefined && { Timeout: input.Timeout }),
+    ...(input.WorkerType !== undefined && { WorkerType: input.WorkerType })
+  };
 };
 
 const serializeAws_json1_1StartTriggerRequest = (
   input: StartTriggerRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1StartWorkflowRunRequest = (
   input: StartWorkflowRunRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1StopTriggerRequest = (
   input: StopTriggerRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1TriggerNameList = (
@@ -18210,85 +17542,60 @@ const serializeAws_json1_1TriggerUpdate = (
   input: TriggerUpdate,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Actions !== undefined) {
-    bodyParams["Actions"] = serializeAws_json1_1ActionList(
-      input.Actions,
-      context
-    );
-  }
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.Predicate !== undefined) {
-    bodyParams["Predicate"] = serializeAws_json1_1Predicate(
-      input.Predicate,
-      context
-    );
-  }
-  if (input.Schedule !== undefined) {
-    bodyParams["Schedule"] = input.Schedule;
-  }
-  return bodyParams;
+  return {
+    ...(input.Actions !== undefined && {
+      Actions: serializeAws_json1_1ActionList(input.Actions, context)
+    }),
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.Predicate !== undefined && {
+      Predicate: serializeAws_json1_1Predicate(input.Predicate, context)
+    }),
+    ...(input.Schedule !== undefined && { Schedule: input.Schedule })
+  };
 };
 
 const serializeAws_json1_1UpdateJobRequest = (
   input: UpdateJobRequest,
   context: __SerdeContext
-): any => {
-  const bodyParams: any = {};
-  if (input.JobName !== undefined) {
-    bodyParams["JobName"] = input.JobName;
-  }
-  if (input.JobUpdate !== undefined) {
-    bodyParams["JobUpdate"] = serializeAws_json1_1JobUpdate(
-      input.JobUpdate,
-      context
-    );
-  }
-  return bodyParams;
+): any => {
+  return {
+    ...(input.JobName !== undefined && { JobName: input.JobName }),
+    ...(input.JobUpdate !== undefined && {
+      JobUpdate: serializeAws_json1_1JobUpdate(input.JobUpdate, context)
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateTriggerRequest = (
   input: UpdateTriggerRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.TriggerUpdate !== undefined) {
-    bodyParams["TriggerUpdate"] = serializeAws_json1_1TriggerUpdate(
-      input.TriggerUpdate,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.TriggerUpdate !== undefined && {
+      TriggerUpdate: serializeAws_json1_1TriggerUpdate(
+        input.TriggerUpdate,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateWorkflowRequest = (
   input: UpdateWorkflowRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DefaultRunProperties !== undefined) {
-    bodyParams[
-      "DefaultRunProperties"
-    ] = serializeAws_json1_1WorkflowRunProperties(
-      input.DefaultRunProperties,
-      context
-    );
-  }
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.DefaultRunProperties !== undefined && {
+      DefaultRunProperties: serializeAws_json1_1WorkflowRunProperties(
+        input.DefaultRunProperties,
+        context
+      )
+    }),
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1WorkflowNames = (
@@ -18312,14 +17619,14 @@ const serializeAws_json1_1BatchGetCrawlersRequest = (
   input: BatchGetCrawlersRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CrawlerNames !== undefined) {
-    bodyParams["CrawlerNames"] = serializeAws_json1_1CrawlerNameList(
-      input.CrawlerNames,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.CrawlerNames !== undefined && {
+      CrawlerNames: serializeAws_json1_1CrawlerNameList(
+        input.CrawlerNames,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1CatalogEntries = (
@@ -18333,14 +17640,12 @@ const serializeAws_json1_1CatalogEntry = (
   input: CatalogEntry,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DatabaseName !== undefined) {
-    bodyParams["DatabaseName"] = input.DatabaseName;
-  }
-  if (input.TableName !== undefined) {
-    bodyParams["TableName"] = input.TableName;
-  }
-  return bodyParams;
+  return {
+    ...(input.DatabaseName !== undefined && {
+      DatabaseName: input.DatabaseName
+    }),
+    ...(input.TableName !== undefined && { TableName: input.TableName })
+  };
 };
 
 const serializeAws_json1_1CatalogTablesList = (
@@ -18354,17 +17659,14 @@ const serializeAws_json1_1CatalogTarget = (
   input: CatalogTarget,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DatabaseName !== undefined) {
-    bodyParams["DatabaseName"] = input.DatabaseName;
-  }
-  if (input.Tables !== undefined) {
-    bodyParams["Tables"] = serializeAws_json1_1CatalogTablesList(
-      input.Tables,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.DatabaseName !== undefined && {
+      DatabaseName: input.DatabaseName
+    }),
+    ...(input.Tables !== undefined && {
+      Tables: serializeAws_json1_1CatalogTablesList(input.Tables, context)
+    })
+  };
 };
 
 const serializeAws_json1_1CatalogTargetList = (
@@ -18385,57 +17687,38 @@ const serializeAws_json1_1CodeGenEdge = (
   input: CodeGenEdge,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Source !== undefined) {
-    bodyParams["Source"] = input.Source;
-  }
-  if (input.Target !== undefined) {
-    bodyParams["Target"] = input.Target;
-  }
-  if (input.TargetParameter !== undefined) {
-    bodyParams["TargetParameter"] = input.TargetParameter;
-  }
-  return bodyParams;
+  return {
+    ...(input.Source !== undefined && { Source: input.Source }),
+    ...(input.Target !== undefined && { Target: input.Target }),
+    ...(input.TargetParameter !== undefined && {
+      TargetParameter: input.TargetParameter
+    })
+  };
 };
 
 const serializeAws_json1_1CodeGenNode = (
   input: CodeGenNode,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Args !== undefined) {
-    bodyParams["Args"] = serializeAws_json1_1CodeGenNodeArgs(
-      input.Args,
-      context
-    );
-  }
-  if (input.Id !== undefined) {
-    bodyParams["Id"] = input.Id;
-  }
-  if (input.LineNumber !== undefined) {
-    bodyParams["LineNumber"] = input.LineNumber;
-  }
-  if (input.NodeType !== undefined) {
-    bodyParams["NodeType"] = input.NodeType;
-  }
-  return bodyParams;
+  return {
+    ...(input.Args !== undefined && {
+      Args: serializeAws_json1_1CodeGenNodeArgs(input.Args, context)
+    }),
+    ...(input.Id !== undefined && { Id: input.Id }),
+    ...(input.LineNumber !== undefined && { LineNumber: input.LineNumber }),
+    ...(input.NodeType !== undefined && { NodeType: input.NodeType })
+  };
 };
 
 const serializeAws_json1_1CodeGenNodeArg = (
   input: CodeGenNodeArg,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.Param !== undefined) {
-    bodyParams["Param"] = input.Param;
-  }
-  if (input.Value !== undefined) {
-    bodyParams["Value"] = input.Value;
-  }
-  return bodyParams;
+  return {
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.Param !== undefined && { Param: input.Param }),
+    ...(input.Value !== undefined && { Value: input.Value })
+  };
 };
 
 const serializeAws_json1_1CodeGenNodeArgs = (
@@ -18456,229 +17739,178 @@ const serializeAws_json1_1CrawlerTargets = (
   input: CrawlerTargets,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CatalogTargets !== undefined) {
-    bodyParams["CatalogTargets"] = serializeAws_json1_1CatalogTargetList(
-      input.CatalogTargets,
-      context
-    );
-  }
-  if (input.DynamoDBTargets !== undefined) {
-    bodyParams["DynamoDBTargets"] = serializeAws_json1_1DynamoDBTargetList(
-      input.DynamoDBTargets,
-      context
-    );
-  }
-  if (input.JdbcTargets !== undefined) {
-    bodyParams["JdbcTargets"] = serializeAws_json1_1JdbcTargetList(
-      input.JdbcTargets,
-      context
-    );
-  }
-  if (input.S3Targets !== undefined) {
-    bodyParams["S3Targets"] = serializeAws_json1_1S3TargetList(
-      input.S3Targets,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.CatalogTargets !== undefined && {
+      CatalogTargets: serializeAws_json1_1CatalogTargetList(
+        input.CatalogTargets,
+        context
+      )
+    }),
+    ...(input.DynamoDBTargets !== undefined && {
+      DynamoDBTargets: serializeAws_json1_1DynamoDBTargetList(
+        input.DynamoDBTargets,
+        context
+      )
+    }),
+    ...(input.JdbcTargets !== undefined && {
+      JdbcTargets: serializeAws_json1_1JdbcTargetList(
+        input.JdbcTargets,
+        context
+      )
+    }),
+    ...(input.S3Targets !== undefined && {
+      S3Targets: serializeAws_json1_1S3TargetList(input.S3Targets, context)
+    })
+  };
 };
 
 const serializeAws_json1_1CreateClassifierRequest = (
   input: CreateClassifierRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CsvClassifier !== undefined) {
-    bodyParams[
-      "CsvClassifier"
-    ] = serializeAws_json1_1CreateCsvClassifierRequest(
-      input.CsvClassifier,
-      context
-    );
-  }
-  if (input.GrokClassifier !== undefined) {
-    bodyParams[
-      "GrokClassifier"
-    ] = serializeAws_json1_1CreateGrokClassifierRequest(
-      input.GrokClassifier,
-      context
-    );
-  }
-  if (input.JsonClassifier !== undefined) {
-    bodyParams[
-      "JsonClassifier"
-    ] = serializeAws_json1_1CreateJsonClassifierRequest(
-      input.JsonClassifier,
-      context
-    );
-  }
-  if (input.XMLClassifier !== undefined) {
-    bodyParams[
-      "XMLClassifier"
-    ] = serializeAws_json1_1CreateXMLClassifierRequest(
-      input.XMLClassifier,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.CsvClassifier !== undefined && {
+      CsvClassifier: serializeAws_json1_1CreateCsvClassifierRequest(
+        input.CsvClassifier,
+        context
+      )
+    }),
+    ...(input.GrokClassifier !== undefined && {
+      GrokClassifier: serializeAws_json1_1CreateGrokClassifierRequest(
+        input.GrokClassifier,
+        context
+      )
+    }),
+    ...(input.JsonClassifier !== undefined && {
+      JsonClassifier: serializeAws_json1_1CreateJsonClassifierRequest(
+        input.JsonClassifier,
+        context
+      )
+    }),
+    ...(input.XMLClassifier !== undefined && {
+      XMLClassifier: serializeAws_json1_1CreateXMLClassifierRequest(
+        input.XMLClassifier,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1CreateCrawlerRequest = (
   input: CreateCrawlerRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Classifiers !== undefined) {
-    bodyParams["Classifiers"] = serializeAws_json1_1ClassifierNameList(
-      input.Classifiers,
-      context
-    );
-  }
-  if (input.Configuration !== undefined) {
-    bodyParams["Configuration"] = input.Configuration;
-  }
-  if (input.CrawlerSecurityConfiguration !== undefined) {
-    bodyParams["CrawlerSecurityConfiguration"] =
-      input.CrawlerSecurityConfiguration;
-  }
-  if (input.DatabaseName !== undefined) {
-    bodyParams["DatabaseName"] = input.DatabaseName;
-  }
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.Role !== undefined) {
-    bodyParams["Role"] = input.Role;
-  }
-  if (input.Schedule !== undefined) {
-    bodyParams["Schedule"] = input.Schedule;
-  }
-  if (input.SchemaChangePolicy !== undefined) {
-    bodyParams["SchemaChangePolicy"] = serializeAws_json1_1SchemaChangePolicy(
-      input.SchemaChangePolicy,
-      context
-    );
-  }
-  if (input.TablePrefix !== undefined) {
-    bodyParams["TablePrefix"] = input.TablePrefix;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagsMap(input.Tags, context);
-  }
-  if (input.Targets !== undefined) {
-    bodyParams["Targets"] = serializeAws_json1_1CrawlerTargets(
-      input.Targets,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Classifiers !== undefined && {
+      Classifiers: serializeAws_json1_1ClassifierNameList(
+        input.Classifiers,
+        context
+      )
+    }),
+    ...(input.Configuration !== undefined && {
+      Configuration: input.Configuration
+    }),
+    ...(input.CrawlerSecurityConfiguration !== undefined && {
+      CrawlerSecurityConfiguration: input.CrawlerSecurityConfiguration
+    }),
+    ...(input.DatabaseName !== undefined && {
+      DatabaseName: input.DatabaseName
+    }),
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.Role !== undefined && { Role: input.Role }),
+    ...(input.Schedule !== undefined && { Schedule: input.Schedule }),
+    ...(input.SchemaChangePolicy !== undefined && {
+      SchemaChangePolicy: serializeAws_json1_1SchemaChangePolicy(
+        input.SchemaChangePolicy,
+        context
+      )
+    }),
+    ...(input.TablePrefix !== undefined && { TablePrefix: input.TablePrefix }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagsMap(input.Tags, context)
+    }),
+    ...(input.Targets !== undefined && {
+      Targets: serializeAws_json1_1CrawlerTargets(input.Targets, context)
+    })
+  };
 };
 
 const serializeAws_json1_1CreateCsvClassifierRequest = (
   input: CreateCsvClassifierRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AllowSingleColumn !== undefined) {
-    bodyParams["AllowSingleColumn"] = input.AllowSingleColumn;
-  }
-  if (input.ContainsHeader !== undefined) {
-    bodyParams["ContainsHeader"] = input.ContainsHeader;
-  }
-  if (input.Delimiter !== undefined) {
-    bodyParams["Delimiter"] = input.Delimiter;
-  }
-  if (input.DisableValueTrimming !== undefined) {
-    bodyParams["DisableValueTrimming"] = input.DisableValueTrimming;
-  }
-  if (input.Header !== undefined) {
-    bodyParams["Header"] = serializeAws_json1_1CsvHeader(input.Header, context);
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.QuoteSymbol !== undefined) {
-    bodyParams["QuoteSymbol"] = input.QuoteSymbol;
-  }
-  return bodyParams;
+  return {
+    ...(input.AllowSingleColumn !== undefined && {
+      AllowSingleColumn: input.AllowSingleColumn
+    }),
+    ...(input.ContainsHeader !== undefined && {
+      ContainsHeader: input.ContainsHeader
+    }),
+    ...(input.Delimiter !== undefined && { Delimiter: input.Delimiter }),
+    ...(input.DisableValueTrimming !== undefined && {
+      DisableValueTrimming: input.DisableValueTrimming
+    }),
+    ...(input.Header !== undefined && {
+      Header: serializeAws_json1_1CsvHeader(input.Header, context)
+    }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.QuoteSymbol !== undefined && { QuoteSymbol: input.QuoteSymbol })
+  };
 };
 
 const serializeAws_json1_1CreateGrokClassifierRequest = (
   input: CreateGrokClassifierRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Classification !== undefined) {
-    bodyParams["Classification"] = input.Classification;
-  }
-  if (input.CustomPatterns !== undefined) {
-    bodyParams["CustomPatterns"] = input.CustomPatterns;
-  }
-  if (input.GrokPattern !== undefined) {
-    bodyParams["GrokPattern"] = input.GrokPattern;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.Classification !== undefined && {
+      Classification: input.Classification
+    }),
+    ...(input.CustomPatterns !== undefined && {
+      CustomPatterns: input.CustomPatterns
+    }),
+    ...(input.GrokPattern !== undefined && { GrokPattern: input.GrokPattern }),
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1CreateJsonClassifierRequest = (
   input: CreateJsonClassifierRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.JsonPath !== undefined) {
-    bodyParams["JsonPath"] = input.JsonPath;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.JsonPath !== undefined && { JsonPath: input.JsonPath }),
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1CreateScriptRequest = (
   input: CreateScriptRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DagEdges !== undefined) {
-    bodyParams["DagEdges"] = serializeAws_json1_1DagEdges(
-      input.DagEdges,
-      context
-    );
-  }
-  if (input.DagNodes !== undefined) {
-    bodyParams["DagNodes"] = serializeAws_json1_1DagNodes(
-      input.DagNodes,
-      context
-    );
-  }
-  if (input.Language !== undefined) {
-    bodyParams["Language"] = input.Language;
-  }
-  return bodyParams;
+  return {
+    ...(input.DagEdges !== undefined && {
+      DagEdges: serializeAws_json1_1DagEdges(input.DagEdges, context)
+    }),
+    ...(input.DagNodes !== undefined && {
+      DagNodes: serializeAws_json1_1DagNodes(input.DagNodes, context)
+    }),
+    ...(input.Language !== undefined && { Language: input.Language })
+  };
 };
 
 const serializeAws_json1_1CreateXMLClassifierRequest = (
   input: CreateXMLClassifierRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Classification !== undefined) {
-    bodyParams["Classification"] = input.Classification;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.RowTag !== undefined) {
-    bodyParams["RowTag"] = input.RowTag;
-  }
-  return bodyParams;
+  return {
+    ...(input.Classification !== undefined && {
+      Classification: input.Classification
+    }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.RowTag !== undefined && { RowTag: input.RowTag })
+  };
 };
 
 const serializeAws_json1_1CsvHeader = (
@@ -18706,33 +17938,27 @@ const serializeAws_json1_1DeleteClassifierRequest = (
   input: DeleteClassifierRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1DeleteCrawlerRequest = (
   input: DeleteCrawlerRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1DynamoDBTarget = (
   input: DynamoDBTarget,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Path !== undefined) {
-    bodyParams["Path"] = input.Path;
-  }
-  return bodyParams;
+  return {
+    ...(input.Path !== undefined && { Path: input.Path })
+  };
 };
 
 const serializeAws_json1_1DynamoDBTargetList = (
@@ -18746,162 +17972,118 @@ const serializeAws_json1_1GetClassifierRequest = (
   input: GetClassifierRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1GetClassifiersRequest = (
   input: GetClassifiersRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1GetCrawlerMetricsRequest = (
   input: GetCrawlerMetricsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CrawlerNameList !== undefined) {
-    bodyParams["CrawlerNameList"] = serializeAws_json1_1CrawlerNameList(
-      input.CrawlerNameList,
-      context
-    );
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.CrawlerNameList !== undefined && {
+      CrawlerNameList: serializeAws_json1_1CrawlerNameList(
+        input.CrawlerNameList,
+        context
+      )
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1GetCrawlerRequest = (
   input: GetCrawlerRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1GetCrawlersRequest = (
   input: GetCrawlersRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1GetDataflowGraphRequest = (
   input: GetDataflowGraphRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.PythonScript !== undefined) {
-    bodyParams["PythonScript"] = input.PythonScript;
-  }
-  return bodyParams;
+  return {
+    ...(input.PythonScript !== undefined && {
+      PythonScript: input.PythonScript
+    })
+  };
 };
 
 const serializeAws_json1_1GetMappingRequest = (
   input: GetMappingRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Location !== undefined) {
-    bodyParams["Location"] = serializeAws_json1_1Location(
-      input.Location,
-      context
-    );
-  }
-  if (input.Sinks !== undefined) {
-    bodyParams["Sinks"] = serializeAws_json1_1CatalogEntries(
-      input.Sinks,
-      context
-    );
-  }
-  if (input.Source !== undefined) {
-    bodyParams["Source"] = serializeAws_json1_1CatalogEntry(
-      input.Source,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Location !== undefined && {
+      Location: serializeAws_json1_1Location(input.Location, context)
+    }),
+    ...(input.Sinks !== undefined && {
+      Sinks: serializeAws_json1_1CatalogEntries(input.Sinks, context)
+    }),
+    ...(input.Source !== undefined && {
+      Source: serializeAws_json1_1CatalogEntry(input.Source, context)
+    })
+  };
 };
 
 const serializeAws_json1_1GetPlanRequest = (
   input: GetPlanRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Language !== undefined) {
-    bodyParams["Language"] = input.Language;
-  }
-  if (input.Location !== undefined) {
-    bodyParams["Location"] = serializeAws_json1_1Location(
-      input.Location,
-      context
-    );
-  }
-  if (input.Mapping !== undefined) {
-    bodyParams["Mapping"] = serializeAws_json1_1MappingList(
-      input.Mapping,
-      context
-    );
-  }
-  if (input.Sinks !== undefined) {
-    bodyParams["Sinks"] = serializeAws_json1_1CatalogEntries(
-      input.Sinks,
-      context
-    );
-  }
-  if (input.Source !== undefined) {
-    bodyParams["Source"] = serializeAws_json1_1CatalogEntry(
-      input.Source,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Language !== undefined && { Language: input.Language }),
+    ...(input.Location !== undefined && {
+      Location: serializeAws_json1_1Location(input.Location, context)
+    }),
+    ...(input.Mapping !== undefined && {
+      Mapping: serializeAws_json1_1MappingList(input.Mapping, context)
+    }),
+    ...(input.Sinks !== undefined && {
+      Sinks: serializeAws_json1_1CatalogEntries(input.Sinks, context)
+    }),
+    ...(input.Source !== undefined && {
+      Source: serializeAws_json1_1CatalogEntry(input.Source, context)
+    })
+  };
 };
 
 const serializeAws_json1_1JdbcTarget = (
   input: JdbcTarget,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ConnectionName !== undefined) {
-    bodyParams["ConnectionName"] = input.ConnectionName;
-  }
-  if (input.Exclusions !== undefined) {
-    bodyParams["Exclusions"] = serializeAws_json1_1PathList(
-      input.Exclusions,
-      context
-    );
-  }
-  if (input.Path !== undefined) {
-    bodyParams["Path"] = input.Path;
-  }
-  return bodyParams;
+  return {
+    ...(input.ConnectionName !== undefined && {
+      ConnectionName: input.ConnectionName
+    }),
+    ...(input.Exclusions !== undefined && {
+      Exclusions: serializeAws_json1_1PathList(input.Exclusions, context)
+    }),
+    ...(input.Path !== undefined && { Path: input.Path })
+  };
 };
 
 const serializeAws_json1_1JdbcTargetList = (
@@ -18915,66 +18097,44 @@ const serializeAws_json1_1ListCrawlersRequest = (
   input: ListCrawlersRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagsMap(input.Tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagsMap(input.Tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1Location = (
   input: Location,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DynamoDB !== undefined) {
-    bodyParams["DynamoDB"] = serializeAws_json1_1CodeGenNodeArgs(
-      input.DynamoDB,
-      context
-    );
-  }
-  if (input.Jdbc !== undefined) {
-    bodyParams["Jdbc"] = serializeAws_json1_1CodeGenNodeArgs(
-      input.Jdbc,
-      context
-    );
-  }
-  if (input.S3 !== undefined) {
-    bodyParams["S3"] = serializeAws_json1_1CodeGenNodeArgs(input.S3, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.DynamoDB !== undefined && {
+      DynamoDB: serializeAws_json1_1CodeGenNodeArgs(input.DynamoDB, context)
+    }),
+    ...(input.Jdbc !== undefined && {
+      Jdbc: serializeAws_json1_1CodeGenNodeArgs(input.Jdbc, context)
+    }),
+    ...(input.S3 !== undefined && {
+      S3: serializeAws_json1_1CodeGenNodeArgs(input.S3, context)
+    })
+  };
 };
 
 const serializeAws_json1_1MappingEntry = (
   input: MappingEntry,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.SourcePath !== undefined) {
-    bodyParams["SourcePath"] = input.SourcePath;
-  }
-  if (input.SourceTable !== undefined) {
-    bodyParams["SourceTable"] = input.SourceTable;
-  }
-  if (input.SourceType !== undefined) {
-    bodyParams["SourceType"] = input.SourceType;
-  }
-  if (input.TargetPath !== undefined) {
-    bodyParams["TargetPath"] = input.TargetPath;
-  }
-  if (input.TargetTable !== undefined) {
-    bodyParams["TargetTable"] = input.TargetTable;
-  }
-  if (input.TargetType !== undefined) {
-    bodyParams["TargetType"] = input.TargetType;
-  }
-  return bodyParams;
+  return {
+    ...(input.SourcePath !== undefined && { SourcePath: input.SourcePath }),
+    ...(input.SourceTable !== undefined && { SourceTable: input.SourceTable }),
+    ...(input.SourceType !== undefined && { SourceType: input.SourceType }),
+    ...(input.TargetPath !== undefined && { TargetPath: input.TargetPath }),
+    ...(input.TargetTable !== undefined && { TargetTable: input.TargetTable }),
+    ...(input.TargetType !== undefined && { TargetType: input.TargetType })
+  };
 };
 
 const serializeAws_json1_1MappingList = (
@@ -18995,17 +18155,12 @@ const serializeAws_json1_1S3Target = (
   input: S3Target,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Exclusions !== undefined) {
-    bodyParams["Exclusions"] = serializeAws_json1_1PathList(
-      input.Exclusions,
-      context
-    );
-  }
-  if (input.Path !== undefined) {
-    bodyParams["Path"] = input.Path;
-  }
-  return bodyParams;
+  return {
+    ...(input.Exclusions !== undefined && {
+      Exclusions: serializeAws_json1_1PathList(input.Exclusions, context)
+    }),
+    ...(input.Path !== undefined && { Path: input.Path })
+  };
 };
 
 const serializeAws_json1_1S3TargetList = (
@@ -19019,243 +18174,191 @@ const serializeAws_json1_1SchemaChangePolicy = (
   input: SchemaChangePolicy,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DeleteBehavior !== undefined) {
-    bodyParams["DeleteBehavior"] = input.DeleteBehavior;
-  }
-  if (input.UpdateBehavior !== undefined) {
-    bodyParams["UpdateBehavior"] = input.UpdateBehavior;
-  }
-  return bodyParams;
+  return {
+    ...(input.DeleteBehavior !== undefined && {
+      DeleteBehavior: input.DeleteBehavior
+    }),
+    ...(input.UpdateBehavior !== undefined && {
+      UpdateBehavior: input.UpdateBehavior
+    })
+  };
 };
 
 const serializeAws_json1_1StartCrawlerRequest = (
   input: StartCrawlerRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1StartCrawlerScheduleRequest = (
   input: StartCrawlerScheduleRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CrawlerName !== undefined) {
-    bodyParams["CrawlerName"] = input.CrawlerName;
-  }
-  return bodyParams;
+  return {
+    ...(input.CrawlerName !== undefined && { CrawlerName: input.CrawlerName })
+  };
 };
 
 const serializeAws_json1_1StopCrawlerRequest = (
   input: StopCrawlerRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1StopCrawlerScheduleRequest = (
   input: StopCrawlerScheduleRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CrawlerName !== undefined) {
-    bodyParams["CrawlerName"] = input.CrawlerName;
-  }
-  return bodyParams;
+  return {
+    ...(input.CrawlerName !== undefined && { CrawlerName: input.CrawlerName })
+  };
 };
 
 const serializeAws_json1_1UpdateClassifierRequest = (
   input: UpdateClassifierRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CsvClassifier !== undefined) {
-    bodyParams[
-      "CsvClassifier"
-    ] = serializeAws_json1_1UpdateCsvClassifierRequest(
-      input.CsvClassifier,
-      context
-    );
-  }
-  if (input.GrokClassifier !== undefined) {
-    bodyParams[
-      "GrokClassifier"
-    ] = serializeAws_json1_1UpdateGrokClassifierRequest(
-      input.GrokClassifier,
-      context
-    );
-  }
-  if (input.JsonClassifier !== undefined) {
-    bodyParams[
-      "JsonClassifier"
-    ] = serializeAws_json1_1UpdateJsonClassifierRequest(
-      input.JsonClassifier,
-      context
-    );
-  }
-  if (input.XMLClassifier !== undefined) {
-    bodyParams[
-      "XMLClassifier"
-    ] = serializeAws_json1_1UpdateXMLClassifierRequest(
-      input.XMLClassifier,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.CsvClassifier !== undefined && {
+      CsvClassifier: serializeAws_json1_1UpdateCsvClassifierRequest(
+        input.CsvClassifier,
+        context
+      )
+    }),
+    ...(input.GrokClassifier !== undefined && {
+      GrokClassifier: serializeAws_json1_1UpdateGrokClassifierRequest(
+        input.GrokClassifier,
+        context
+      )
+    }),
+    ...(input.JsonClassifier !== undefined && {
+      JsonClassifier: serializeAws_json1_1UpdateJsonClassifierRequest(
+        input.JsonClassifier,
+        context
+      )
+    }),
+    ...(input.XMLClassifier !== undefined && {
+      XMLClassifier: serializeAws_json1_1UpdateXMLClassifierRequest(
+        input.XMLClassifier,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateCrawlerRequest = (
   input: UpdateCrawlerRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Classifiers !== undefined) {
-    bodyParams["Classifiers"] = serializeAws_json1_1ClassifierNameList(
-      input.Classifiers,
-      context
-    );
-  }
-  if (input.Configuration !== undefined) {
-    bodyParams["Configuration"] = input.Configuration;
-  }
-  if (input.CrawlerSecurityConfiguration !== undefined) {
-    bodyParams["CrawlerSecurityConfiguration"] =
-      input.CrawlerSecurityConfiguration;
-  }
-  if (input.DatabaseName !== undefined) {
-    bodyParams["DatabaseName"] = input.DatabaseName;
-  }
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.Role !== undefined) {
-    bodyParams["Role"] = input.Role;
-  }
-  if (input.Schedule !== undefined) {
-    bodyParams["Schedule"] = input.Schedule;
-  }
-  if (input.SchemaChangePolicy !== undefined) {
-    bodyParams["SchemaChangePolicy"] = serializeAws_json1_1SchemaChangePolicy(
-      input.SchemaChangePolicy,
-      context
-    );
-  }
-  if (input.TablePrefix !== undefined) {
-    bodyParams["TablePrefix"] = input.TablePrefix;
-  }
-  if (input.Targets !== undefined) {
-    bodyParams["Targets"] = serializeAws_json1_1CrawlerTargets(
-      input.Targets,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Classifiers !== undefined && {
+      Classifiers: serializeAws_json1_1ClassifierNameList(
+        input.Classifiers,
+        context
+      )
+    }),
+    ...(input.Configuration !== undefined && {
+      Configuration: input.Configuration
+    }),
+    ...(input.CrawlerSecurityConfiguration !== undefined && {
+      CrawlerSecurityConfiguration: input.CrawlerSecurityConfiguration
+    }),
+    ...(input.DatabaseName !== undefined && {
+      DatabaseName: input.DatabaseName
+    }),
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.Role !== undefined && { Role: input.Role }),
+    ...(input.Schedule !== undefined && { Schedule: input.Schedule }),
+    ...(input.SchemaChangePolicy !== undefined && {
+      SchemaChangePolicy: serializeAws_json1_1SchemaChangePolicy(
+        input.SchemaChangePolicy,
+        context
+      )
+    }),
+    ...(input.TablePrefix !== undefined && { TablePrefix: input.TablePrefix }),
+    ...(input.Targets !== undefined && {
+      Targets: serializeAws_json1_1CrawlerTargets(input.Targets, context)
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateCrawlerScheduleRequest = (
   input: UpdateCrawlerScheduleRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CrawlerName !== undefined) {
-    bodyParams["CrawlerName"] = input.CrawlerName;
-  }
-  if (input.Schedule !== undefined) {
-    bodyParams["Schedule"] = input.Schedule;
-  }
-  return bodyParams;
+  return {
+    ...(input.CrawlerName !== undefined && { CrawlerName: input.CrawlerName }),
+    ...(input.Schedule !== undefined && { Schedule: input.Schedule })
+  };
 };
 
 const serializeAws_json1_1UpdateCsvClassifierRequest = (
   input: UpdateCsvClassifierRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AllowSingleColumn !== undefined) {
-    bodyParams["AllowSingleColumn"] = input.AllowSingleColumn;
-  }
-  if (input.ContainsHeader !== undefined) {
-    bodyParams["ContainsHeader"] = input.ContainsHeader;
-  }
-  if (input.Delimiter !== undefined) {
-    bodyParams["Delimiter"] = input.Delimiter;
-  }
-  if (input.DisableValueTrimming !== undefined) {
-    bodyParams["DisableValueTrimming"] = input.DisableValueTrimming;
-  }
-  if (input.Header !== undefined) {
-    bodyParams["Header"] = serializeAws_json1_1CsvHeader(input.Header, context);
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.QuoteSymbol !== undefined) {
-    bodyParams["QuoteSymbol"] = input.QuoteSymbol;
-  }
-  return bodyParams;
+  return {
+    ...(input.AllowSingleColumn !== undefined && {
+      AllowSingleColumn: input.AllowSingleColumn
+    }),
+    ...(input.ContainsHeader !== undefined && {
+      ContainsHeader: input.ContainsHeader
+    }),
+    ...(input.Delimiter !== undefined && { Delimiter: input.Delimiter }),
+    ...(input.DisableValueTrimming !== undefined && {
+      DisableValueTrimming: input.DisableValueTrimming
+    }),
+    ...(input.Header !== undefined && {
+      Header: serializeAws_json1_1CsvHeader(input.Header, context)
+    }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.QuoteSymbol !== undefined && { QuoteSymbol: input.QuoteSymbol })
+  };
 };
 
 const serializeAws_json1_1UpdateGrokClassifierRequest = (
   input: UpdateGrokClassifierRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Classification !== undefined) {
-    bodyParams["Classification"] = input.Classification;
-  }
-  if (input.CustomPatterns !== undefined) {
-    bodyParams["CustomPatterns"] = input.CustomPatterns;
-  }
-  if (input.GrokPattern !== undefined) {
-    bodyParams["GrokPattern"] = input.GrokPattern;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.Classification !== undefined && {
+      Classification: input.Classification
+    }),
+    ...(input.CustomPatterns !== undefined && {
+      CustomPatterns: input.CustomPatterns
+    }),
+    ...(input.GrokPattern !== undefined && { GrokPattern: input.GrokPattern }),
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1UpdateJsonClassifierRequest = (
   input: UpdateJsonClassifierRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.JsonPath !== undefined) {
-    bodyParams["JsonPath"] = input.JsonPath;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.JsonPath !== undefined && { JsonPath: input.JsonPath }),
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1UpdateXMLClassifierRequest = (
   input: UpdateXMLClassifierRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Classification !== undefined) {
-    bodyParams["Classification"] = input.Classification;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.RowTag !== undefined) {
-    bodyParams["RowTag"] = input.RowTag;
-  }
-  return bodyParams;
+  return {
+    ...(input.Classification !== undefined && {
+      Classification: input.Classification
+    }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.RowTag !== undefined && { RowTag: input.RowTag })
+  };
 };
 
 const deserializeAws_json1_1GetTagsResponse = (
diff --git a/clients/client-greengrass/protocols/Aws_restJson1_1.ts b/clients/client-greengrass/protocols/Aws_restJson1_1.ts
index 9685f12fb09b..2ea546d1c5ed 100644
--- a/clients/client-greengrass/protocols/Aws_restJson1_1.ts
+++ b/clients/client-greengrass/protocols/Aws_restJson1_1.ts
@@ -10611,623 +10611,498 @@ const serializeAws_restJson1_1ConnectivityInfo = (
   input: ConnectivityInfo,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.HostAddress !== undefined) {
-    bodyParams["HostAddress"] = input.HostAddress;
-  }
-  if (input.Id !== undefined) {
-    bodyParams["Id"] = input.Id;
-  }
-  if (input.Metadata !== undefined) {
-    bodyParams["Metadata"] = input.Metadata;
-  }
-  if (input.PortNumber !== undefined) {
-    bodyParams["PortNumber"] = input.PortNumber;
-  }
-  return bodyParams;
+  return {
+    ...(input.HostAddress !== undefined && { HostAddress: input.HostAddress }),
+    ...(input.Id !== undefined && { Id: input.Id }),
+    ...(input.Metadata !== undefined && { Metadata: input.Metadata }),
+    ...(input.PortNumber !== undefined && { PortNumber: input.PortNumber })
+  };
 };
 
 const serializeAws_restJson1_1Connector = (
   input: Connector,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ConnectorArn !== undefined) {
-    bodyParams["ConnectorArn"] = input.ConnectorArn;
-  }
-  if (input.Id !== undefined) {
-    bodyParams["Id"] = input.Id;
-  }
-  if (input.Parameters !== undefined) {
-    bodyParams["Parameters"] = serializeAws_restJson1_1__mapOf__string(
-      input.Parameters,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ConnectorArn !== undefined && {
+      ConnectorArn: input.ConnectorArn
+    }),
+    ...(input.Id !== undefined && { Id: input.Id }),
+    ...(input.Parameters !== undefined && {
+      Parameters: serializeAws_restJson1_1__mapOf__string(
+        input.Parameters,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1ConnectorDefinitionVersion = (
   input: ConnectorDefinitionVersion,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Connectors !== undefined) {
-    bodyParams["Connectors"] = serializeAws_restJson1_1__listOfConnector(
-      input.Connectors,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Connectors !== undefined && {
+      Connectors: serializeAws_restJson1_1__listOfConnector(
+        input.Connectors,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1Core = (
   input: Core,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CertificateArn !== undefined) {
-    bodyParams["CertificateArn"] = input.CertificateArn;
-  }
-  if (input.Id !== undefined) {
-    bodyParams["Id"] = input.Id;
-  }
-  if (input.SyncShadow !== undefined) {
-    bodyParams["SyncShadow"] = input.SyncShadow;
-  }
-  if (input.ThingArn !== undefined) {
-    bodyParams["ThingArn"] = input.ThingArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.CertificateArn !== undefined && {
+      CertificateArn: input.CertificateArn
+    }),
+    ...(input.Id !== undefined && { Id: input.Id }),
+    ...(input.SyncShadow !== undefined && { SyncShadow: input.SyncShadow }),
+    ...(input.ThingArn !== undefined && { ThingArn: input.ThingArn })
+  };
 };
 
 const serializeAws_restJson1_1CoreDefinitionVersion = (
   input: CoreDefinitionVersion,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Cores !== undefined) {
-    bodyParams["Cores"] = serializeAws_restJson1_1__listOfCore(
-      input.Cores,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Cores !== undefined && {
+      Cores: serializeAws_restJson1_1__listOfCore(input.Cores, context)
+    })
+  };
 };
 
 const serializeAws_restJson1_1Device = (
   input: Device,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CertificateArn !== undefined) {
-    bodyParams["CertificateArn"] = input.CertificateArn;
-  }
-  if (input.Id !== undefined) {
-    bodyParams["Id"] = input.Id;
-  }
-  if (input.SyncShadow !== undefined) {
-    bodyParams["SyncShadow"] = input.SyncShadow;
-  }
-  if (input.ThingArn !== undefined) {
-    bodyParams["ThingArn"] = input.ThingArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.CertificateArn !== undefined && {
+      CertificateArn: input.CertificateArn
+    }),
+    ...(input.Id !== undefined && { Id: input.Id }),
+    ...(input.SyncShadow !== undefined && { SyncShadow: input.SyncShadow }),
+    ...(input.ThingArn !== undefined && { ThingArn: input.ThingArn })
+  };
 };
 
 const serializeAws_restJson1_1DeviceDefinitionVersion = (
   input: DeviceDefinitionVersion,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Devices !== undefined) {
-    bodyParams["Devices"] = serializeAws_restJson1_1__listOfDevice(
-      input.Devices,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Devices !== undefined && {
+      Devices: serializeAws_restJson1_1__listOfDevice(input.Devices, context)
+    })
+  };
 };
 
 const serializeAws_restJson1_1Function = (
   input: Function,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.FunctionArn !== undefined) {
-    bodyParams["FunctionArn"] = input.FunctionArn;
-  }
-  if (input.FunctionConfiguration !== undefined) {
-    bodyParams[
-      "FunctionConfiguration"
-    ] = serializeAws_restJson1_1FunctionConfiguration(
-      input.FunctionConfiguration,
-      context
-    );
-  }
-  if (input.Id !== undefined) {
-    bodyParams["Id"] = input.Id;
-  }
-  return bodyParams;
+  return {
+    ...(input.FunctionArn !== undefined && { FunctionArn: input.FunctionArn }),
+    ...(input.FunctionConfiguration !== undefined && {
+      FunctionConfiguration: serializeAws_restJson1_1FunctionConfiguration(
+        input.FunctionConfiguration,
+        context
+      )
+    }),
+    ...(input.Id !== undefined && { Id: input.Id })
+  };
 };
 
 const serializeAws_restJson1_1FunctionConfiguration = (
   input: FunctionConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EncodingType !== undefined) {
-    bodyParams["EncodingType"] = input.EncodingType;
-  }
-  if (input.Environment !== undefined) {
-    bodyParams[
-      "Environment"
-    ] = serializeAws_restJson1_1FunctionConfigurationEnvironment(
-      input.Environment,
-      context
-    );
-  }
-  if (input.ExecArgs !== undefined) {
-    bodyParams["ExecArgs"] = input.ExecArgs;
-  }
-  if (input.Executable !== undefined) {
-    bodyParams["Executable"] = input.Executable;
-  }
-  if (input.MemorySize !== undefined) {
-    bodyParams["MemorySize"] = input.MemorySize;
-  }
-  if (input.Pinned !== undefined) {
-    bodyParams["Pinned"] = input.Pinned;
-  }
-  if (input.Timeout !== undefined) {
-    bodyParams["Timeout"] = input.Timeout;
-  }
-  return bodyParams;
+  return {
+    ...(input.EncodingType !== undefined && {
+      EncodingType: input.EncodingType
+    }),
+    ...(input.Environment !== undefined && {
+      Environment: serializeAws_restJson1_1FunctionConfigurationEnvironment(
+        input.Environment,
+        context
+      )
+    }),
+    ...(input.ExecArgs !== undefined && { ExecArgs: input.ExecArgs }),
+    ...(input.Executable !== undefined && { Executable: input.Executable }),
+    ...(input.MemorySize !== undefined && { MemorySize: input.MemorySize }),
+    ...(input.Pinned !== undefined && { Pinned: input.Pinned }),
+    ...(input.Timeout !== undefined && { Timeout: input.Timeout })
+  };
 };
 
 const serializeAws_restJson1_1FunctionConfigurationEnvironment = (
   input: FunctionConfigurationEnvironment,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AccessSysfs !== undefined) {
-    bodyParams["AccessSysfs"] = input.AccessSysfs;
-  }
-  if (input.Execution !== undefined) {
-    bodyParams["Execution"] = serializeAws_restJson1_1FunctionExecutionConfig(
-      input.Execution,
-      context
-    );
-  }
-  if (input.ResourceAccessPolicies !== undefined) {
-    bodyParams[
-      "ResourceAccessPolicies"
-    ] = serializeAws_restJson1_1__listOfResourceAccessPolicy(
-      input.ResourceAccessPolicies,
-      context
-    );
-  }
-  if (input.Variables !== undefined) {
-    bodyParams["Variables"] = serializeAws_restJson1_1__mapOf__string(
-      input.Variables,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.AccessSysfs !== undefined && { AccessSysfs: input.AccessSysfs }),
+    ...(input.Execution !== undefined && {
+      Execution: serializeAws_restJson1_1FunctionExecutionConfig(
+        input.Execution,
+        context
+      )
+    }),
+    ...(input.ResourceAccessPolicies !== undefined && {
+      ResourceAccessPolicies: serializeAws_restJson1_1__listOfResourceAccessPolicy(
+        input.ResourceAccessPolicies,
+        context
+      )
+    }),
+    ...(input.Variables !== undefined && {
+      Variables: serializeAws_restJson1_1__mapOf__string(
+        input.Variables,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1FunctionDefaultConfig = (
   input: FunctionDefaultConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Execution !== undefined) {
-    bodyParams[
-      "Execution"
-    ] = serializeAws_restJson1_1FunctionDefaultExecutionConfig(
-      input.Execution,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Execution !== undefined && {
+      Execution: serializeAws_restJson1_1FunctionDefaultExecutionConfig(
+        input.Execution,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1FunctionDefaultExecutionConfig = (
   input: FunctionDefaultExecutionConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.IsolationMode !== undefined) {
-    bodyParams["IsolationMode"] = input.IsolationMode;
-  }
-  if (input.RunAs !== undefined) {
-    bodyParams["RunAs"] = serializeAws_restJson1_1FunctionRunAsConfig(
-      input.RunAs,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.IsolationMode !== undefined && {
+      IsolationMode: input.IsolationMode
+    }),
+    ...(input.RunAs !== undefined && {
+      RunAs: serializeAws_restJson1_1FunctionRunAsConfig(input.RunAs, context)
+    })
+  };
 };
 
 const serializeAws_restJson1_1FunctionDefinitionVersion = (
   input: FunctionDefinitionVersion,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DefaultConfig !== undefined) {
-    bodyParams["DefaultConfig"] = serializeAws_restJson1_1FunctionDefaultConfig(
-      input.DefaultConfig,
-      context
-    );
-  }
-  if (input.Functions !== undefined) {
-    bodyParams["Functions"] = serializeAws_restJson1_1__listOfFunction(
-      input.Functions,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.DefaultConfig !== undefined && {
+      DefaultConfig: serializeAws_restJson1_1FunctionDefaultConfig(
+        input.DefaultConfig,
+        context
+      )
+    }),
+    ...(input.Functions !== undefined && {
+      Functions: serializeAws_restJson1_1__listOfFunction(
+        input.Functions,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1FunctionExecutionConfig = (
   input: FunctionExecutionConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.IsolationMode !== undefined) {
-    bodyParams["IsolationMode"] = input.IsolationMode;
-  }
-  if (input.RunAs !== undefined) {
-    bodyParams["RunAs"] = serializeAws_restJson1_1FunctionRunAsConfig(
-      input.RunAs,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.IsolationMode !== undefined && {
+      IsolationMode: input.IsolationMode
+    }),
+    ...(input.RunAs !== undefined && {
+      RunAs: serializeAws_restJson1_1FunctionRunAsConfig(input.RunAs, context)
+    })
+  };
 };
 
 const serializeAws_restJson1_1FunctionRunAsConfig = (
   input: FunctionRunAsConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Gid !== undefined) {
-    bodyParams["Gid"] = input.Gid;
-  }
-  if (input.Uid !== undefined) {
-    bodyParams["Uid"] = input.Uid;
-  }
-  return bodyParams;
+  return {
+    ...(input.Gid !== undefined && { Gid: input.Gid }),
+    ...(input.Uid !== undefined && { Uid: input.Uid })
+  };
 };
 
 const serializeAws_restJson1_1GroupOwnerSetting = (
   input: GroupOwnerSetting,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AutoAddGroupOwner !== undefined) {
-    bodyParams["AutoAddGroupOwner"] = input.AutoAddGroupOwner;
-  }
-  if (input.GroupOwner !== undefined) {
-    bodyParams["GroupOwner"] = input.GroupOwner;
-  }
-  return bodyParams;
+  return {
+    ...(input.AutoAddGroupOwner !== undefined && {
+      AutoAddGroupOwner: input.AutoAddGroupOwner
+    }),
+    ...(input.GroupOwner !== undefined && { GroupOwner: input.GroupOwner })
+  };
 };
 
 const serializeAws_restJson1_1GroupVersion = (
   input: GroupVersion,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ConnectorDefinitionVersionArn !== undefined) {
-    bodyParams["ConnectorDefinitionVersionArn"] =
-      input.ConnectorDefinitionVersionArn;
-  }
-  if (input.CoreDefinitionVersionArn !== undefined) {
-    bodyParams["CoreDefinitionVersionArn"] = input.CoreDefinitionVersionArn;
-  }
-  if (input.DeviceDefinitionVersionArn !== undefined) {
-    bodyParams["DeviceDefinitionVersionArn"] = input.DeviceDefinitionVersionArn;
-  }
-  if (input.FunctionDefinitionVersionArn !== undefined) {
-    bodyParams["FunctionDefinitionVersionArn"] =
-      input.FunctionDefinitionVersionArn;
-  }
-  if (input.LoggerDefinitionVersionArn !== undefined) {
-    bodyParams["LoggerDefinitionVersionArn"] = input.LoggerDefinitionVersionArn;
-  }
-  if (input.ResourceDefinitionVersionArn !== undefined) {
-    bodyParams["ResourceDefinitionVersionArn"] =
-      input.ResourceDefinitionVersionArn;
-  }
-  if (input.SubscriptionDefinitionVersionArn !== undefined) {
-    bodyParams["SubscriptionDefinitionVersionArn"] =
-      input.SubscriptionDefinitionVersionArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.ConnectorDefinitionVersionArn !== undefined && {
+      ConnectorDefinitionVersionArn: input.ConnectorDefinitionVersionArn
+    }),
+    ...(input.CoreDefinitionVersionArn !== undefined && {
+      CoreDefinitionVersionArn: input.CoreDefinitionVersionArn
+    }),
+    ...(input.DeviceDefinitionVersionArn !== undefined && {
+      DeviceDefinitionVersionArn: input.DeviceDefinitionVersionArn
+    }),
+    ...(input.FunctionDefinitionVersionArn !== undefined && {
+      FunctionDefinitionVersionArn: input.FunctionDefinitionVersionArn
+    }),
+    ...(input.LoggerDefinitionVersionArn !== undefined && {
+      LoggerDefinitionVersionArn: input.LoggerDefinitionVersionArn
+    }),
+    ...(input.ResourceDefinitionVersionArn !== undefined && {
+      ResourceDefinitionVersionArn: input.ResourceDefinitionVersionArn
+    }),
+    ...(input.SubscriptionDefinitionVersionArn !== undefined && {
+      SubscriptionDefinitionVersionArn: input.SubscriptionDefinitionVersionArn
+    })
+  };
 };
 
 const serializeAws_restJson1_1LocalDeviceResourceData = (
   input: LocalDeviceResourceData,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.GroupOwnerSetting !== undefined) {
-    bodyParams["GroupOwnerSetting"] = serializeAws_restJson1_1GroupOwnerSetting(
-      input.GroupOwnerSetting,
-      context
-    );
-  }
-  if (input.SourcePath !== undefined) {
-    bodyParams["SourcePath"] = input.SourcePath;
-  }
-  return bodyParams;
+  return {
+    ...(input.GroupOwnerSetting !== undefined && {
+      GroupOwnerSetting: serializeAws_restJson1_1GroupOwnerSetting(
+        input.GroupOwnerSetting,
+        context
+      )
+    }),
+    ...(input.SourcePath !== undefined && { SourcePath: input.SourcePath })
+  };
 };
 
 const serializeAws_restJson1_1LocalVolumeResourceData = (
   input: LocalVolumeResourceData,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DestinationPath !== undefined) {
-    bodyParams["DestinationPath"] = input.DestinationPath;
-  }
-  if (input.GroupOwnerSetting !== undefined) {
-    bodyParams["GroupOwnerSetting"] = serializeAws_restJson1_1GroupOwnerSetting(
-      input.GroupOwnerSetting,
-      context
-    );
-  }
-  if (input.SourcePath !== undefined) {
-    bodyParams["SourcePath"] = input.SourcePath;
-  }
-  return bodyParams;
+  return {
+    ...(input.DestinationPath !== undefined && {
+      DestinationPath: input.DestinationPath
+    }),
+    ...(input.GroupOwnerSetting !== undefined && {
+      GroupOwnerSetting: serializeAws_restJson1_1GroupOwnerSetting(
+        input.GroupOwnerSetting,
+        context
+      )
+    }),
+    ...(input.SourcePath !== undefined && { SourcePath: input.SourcePath })
+  };
 };
 
 const serializeAws_restJson1_1Logger = (
   input: Logger,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Component !== undefined) {
-    bodyParams["Component"] = input.Component;
-  }
-  if (input.Id !== undefined) {
-    bodyParams["Id"] = input.Id;
-  }
-  if (input.Level !== undefined) {
-    bodyParams["Level"] = input.Level;
-  }
-  if (input.Space !== undefined) {
-    bodyParams["Space"] = input.Space;
-  }
-  if (input.Type !== undefined) {
-    bodyParams["Type"] = input.Type;
-  }
-  return bodyParams;
+  return {
+    ...(input.Component !== undefined && { Component: input.Component }),
+    ...(input.Id !== undefined && { Id: input.Id }),
+    ...(input.Level !== undefined && { Level: input.Level }),
+    ...(input.Space !== undefined && { Space: input.Space }),
+    ...(input.Type !== undefined && { Type: input.Type })
+  };
 };
 
 const serializeAws_restJson1_1LoggerDefinitionVersion = (
   input: LoggerDefinitionVersion,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Loggers !== undefined) {
-    bodyParams["Loggers"] = serializeAws_restJson1_1__listOfLogger(
-      input.Loggers,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Loggers !== undefined && {
+      Loggers: serializeAws_restJson1_1__listOfLogger(input.Loggers, context)
+    })
+  };
 };
 
 const serializeAws_restJson1_1Resource = (
   input: Resource,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Id !== undefined) {
-    bodyParams["Id"] = input.Id;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.ResourceDataContainer !== undefined) {
-    bodyParams[
-      "ResourceDataContainer"
-    ] = serializeAws_restJson1_1ResourceDataContainer(
-      input.ResourceDataContainer,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Id !== undefined && { Id: input.Id }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.ResourceDataContainer !== undefined && {
+      ResourceDataContainer: serializeAws_restJson1_1ResourceDataContainer(
+        input.ResourceDataContainer,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1ResourceAccessPolicy = (
   input: ResourceAccessPolicy,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Permission !== undefined) {
-    bodyParams["Permission"] = input.Permission;
-  }
-  if (input.ResourceId !== undefined) {
-    bodyParams["ResourceId"] = input.ResourceId;
-  }
-  return bodyParams;
+  return {
+    ...(input.Permission !== undefined && { Permission: input.Permission }),
+    ...(input.ResourceId !== undefined && { ResourceId: input.ResourceId })
+  };
 };
 
 const serializeAws_restJson1_1ResourceDataContainer = (
   input: ResourceDataContainer,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.LocalDeviceResourceData !== undefined) {
-    bodyParams[
-      "LocalDeviceResourceData"
-    ] = serializeAws_restJson1_1LocalDeviceResourceData(
-      input.LocalDeviceResourceData,
-      context
-    );
-  }
-  if (input.LocalVolumeResourceData !== undefined) {
-    bodyParams[
-      "LocalVolumeResourceData"
-    ] = serializeAws_restJson1_1LocalVolumeResourceData(
-      input.LocalVolumeResourceData,
-      context
-    );
-  }
-  if (input.S3MachineLearningModelResourceData !== undefined) {
-    bodyParams[
-      "S3MachineLearningModelResourceData"
-    ] = serializeAws_restJson1_1S3MachineLearningModelResourceData(
-      input.S3MachineLearningModelResourceData,
-      context
-    );
-  }
-  if (input.SageMakerMachineLearningModelResourceData !== undefined) {
-    bodyParams[
-      "SageMakerMachineLearningModelResourceData"
-    ] = serializeAws_restJson1_1SageMakerMachineLearningModelResourceData(
-      input.SageMakerMachineLearningModelResourceData,
-      context
-    );
-  }
-  if (input.SecretsManagerSecretResourceData !== undefined) {
-    bodyParams[
-      "SecretsManagerSecretResourceData"
-    ] = serializeAws_restJson1_1SecretsManagerSecretResourceData(
-      input.SecretsManagerSecretResourceData,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.LocalDeviceResourceData !== undefined && {
+      LocalDeviceResourceData: serializeAws_restJson1_1LocalDeviceResourceData(
+        input.LocalDeviceResourceData,
+        context
+      )
+    }),
+    ...(input.LocalVolumeResourceData !== undefined && {
+      LocalVolumeResourceData: serializeAws_restJson1_1LocalVolumeResourceData(
+        input.LocalVolumeResourceData,
+        context
+      )
+    }),
+    ...(input.S3MachineLearningModelResourceData !== undefined && {
+      S3MachineLearningModelResourceData: serializeAws_restJson1_1S3MachineLearningModelResourceData(
+        input.S3MachineLearningModelResourceData,
+        context
+      )
+    }),
+    ...(input.SageMakerMachineLearningModelResourceData !== undefined && {
+      SageMakerMachineLearningModelResourceData: serializeAws_restJson1_1SageMakerMachineLearningModelResourceData(
+        input.SageMakerMachineLearningModelResourceData,
+        context
+      )
+    }),
+    ...(input.SecretsManagerSecretResourceData !== undefined && {
+      SecretsManagerSecretResourceData: serializeAws_restJson1_1SecretsManagerSecretResourceData(
+        input.SecretsManagerSecretResourceData,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1ResourceDefinitionVersion = (
   input: ResourceDefinitionVersion,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Resources !== undefined) {
-    bodyParams["Resources"] = serializeAws_restJson1_1__listOfResource(
-      input.Resources,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Resources !== undefined && {
+      Resources: serializeAws_restJson1_1__listOfResource(
+        input.Resources,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1ResourceDownloadOwnerSetting = (
   input: ResourceDownloadOwnerSetting,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.GroupOwner !== undefined) {
-    bodyParams["GroupOwner"] = input.GroupOwner;
-  }
-  if (input.GroupPermission !== undefined) {
-    bodyParams["GroupPermission"] = input.GroupPermission;
-  }
-  return bodyParams;
+  return {
+    ...(input.GroupOwner !== undefined && { GroupOwner: input.GroupOwner }),
+    ...(input.GroupPermission !== undefined && {
+      GroupPermission: input.GroupPermission
+    })
+  };
 };
 
 const serializeAws_restJson1_1S3MachineLearningModelResourceData = (
   input: S3MachineLearningModelResourceData,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DestinationPath !== undefined) {
-    bodyParams["DestinationPath"] = input.DestinationPath;
-  }
-  if (input.OwnerSetting !== undefined) {
-    bodyParams[
-      "OwnerSetting"
-    ] = serializeAws_restJson1_1ResourceDownloadOwnerSetting(
-      input.OwnerSetting,
-      context
-    );
-  }
-  if (input.S3Uri !== undefined) {
-    bodyParams["S3Uri"] = input.S3Uri;
-  }
-  return bodyParams;
+  return {
+    ...(input.DestinationPath !== undefined && {
+      DestinationPath: input.DestinationPath
+    }),
+    ...(input.OwnerSetting !== undefined && {
+      OwnerSetting: serializeAws_restJson1_1ResourceDownloadOwnerSetting(
+        input.OwnerSetting,
+        context
+      )
+    }),
+    ...(input.S3Uri !== undefined && { S3Uri: input.S3Uri })
+  };
 };
 
 const serializeAws_restJson1_1SageMakerMachineLearningModelResourceData = (
   input: SageMakerMachineLearningModelResourceData,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DestinationPath !== undefined) {
-    bodyParams["DestinationPath"] = input.DestinationPath;
-  }
-  if (input.OwnerSetting !== undefined) {
-    bodyParams[
-      "OwnerSetting"
-    ] = serializeAws_restJson1_1ResourceDownloadOwnerSetting(
-      input.OwnerSetting,
-      context
-    );
-  }
-  if (input.SageMakerJobArn !== undefined) {
-    bodyParams["SageMakerJobArn"] = input.SageMakerJobArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.DestinationPath !== undefined && {
+      DestinationPath: input.DestinationPath
+    }),
+    ...(input.OwnerSetting !== undefined && {
+      OwnerSetting: serializeAws_restJson1_1ResourceDownloadOwnerSetting(
+        input.OwnerSetting,
+        context
+      )
+    }),
+    ...(input.SageMakerJobArn !== undefined && {
+      SageMakerJobArn: input.SageMakerJobArn
+    })
+  };
 };
 
 const serializeAws_restJson1_1SecretsManagerSecretResourceData = (
   input: SecretsManagerSecretResourceData,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ARN !== undefined) {
-    bodyParams["ARN"] = input.ARN;
-  }
-  if (input.AdditionalStagingLabelsToDownload !== undefined) {
-    bodyParams[
-      "AdditionalStagingLabelsToDownload"
-    ] = serializeAws_restJson1_1__listOf__string(
-      input.AdditionalStagingLabelsToDownload,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ARN !== undefined && { ARN: input.ARN }),
+    ...(input.AdditionalStagingLabelsToDownload !== undefined && {
+      AdditionalStagingLabelsToDownload: serializeAws_restJson1_1__listOf__string(
+        input.AdditionalStagingLabelsToDownload,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1Subscription = (
   input: Subscription,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Id !== undefined) {
-    bodyParams["Id"] = input.Id;
-  }
-  if (input.Source !== undefined) {
-    bodyParams["Source"] = input.Source;
-  }
-  if (input.Subject !== undefined) {
-    bodyParams["Subject"] = input.Subject;
-  }
-  if (input.Target !== undefined) {
-    bodyParams["Target"] = input.Target;
-  }
-  return bodyParams;
+  return {
+    ...(input.Id !== undefined && { Id: input.Id }),
+    ...(input.Source !== undefined && { Source: input.Source }),
+    ...(input.Subject !== undefined && { Subject: input.Subject }),
+    ...(input.Target !== undefined && { Target: input.Target })
+  };
 };
 
 const serializeAws_restJson1_1SubscriptionDefinitionVersion = (
   input: SubscriptionDefinitionVersion,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Subscriptions !== undefined) {
-    bodyParams["Subscriptions"] = serializeAws_restJson1_1__listOfSubscription(
-      input.Subscriptions,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Subscriptions !== undefined && {
+      Subscriptions: serializeAws_restJson1_1__listOfSubscription(
+        input.Subscriptions,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1Tags = (
diff --git a/clients/client-groundstation/protocols/Aws_restJson1_1.ts b/clients/client-groundstation/protocols/Aws_restJson1_1.ts
index 669e965353ce..d5031d953ec6 100644
--- a/clients/client-groundstation/protocols/Aws_restJson1_1.ts
+++ b/clients/client-groundstation/protocols/Aws_restJson1_1.ts
@@ -3494,62 +3494,57 @@ const serializeAws_restJson1_1AntennaDownlinkConfig = (
   input: AntennaDownlinkConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.spectrumConfig !== undefined) {
-    bodyParams["spectrumConfig"] = serializeAws_restJson1_1SpectrumConfig(
-      input.spectrumConfig,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.spectrumConfig !== undefined && {
+      spectrumConfig: serializeAws_restJson1_1SpectrumConfig(
+        input.spectrumConfig,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1AntennaDownlinkDemodDecodeConfig = (
   input: AntennaDownlinkDemodDecodeConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.decodeConfig !== undefined) {
-    bodyParams["decodeConfig"] = serializeAws_restJson1_1DecodeConfig(
-      input.decodeConfig,
-      context
-    );
-  }
-  if (input.demodulationConfig !== undefined) {
-    bodyParams[
-      "demodulationConfig"
-    ] = serializeAws_restJson1_1DemodulationConfig(
-      input.demodulationConfig,
-      context
-    );
-  }
-  if (input.spectrumConfig !== undefined) {
-    bodyParams["spectrumConfig"] = serializeAws_restJson1_1SpectrumConfig(
-      input.spectrumConfig,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.decodeConfig !== undefined && {
+      decodeConfig: serializeAws_restJson1_1DecodeConfig(
+        input.decodeConfig,
+        context
+      )
+    }),
+    ...(input.demodulationConfig !== undefined && {
+      demodulationConfig: serializeAws_restJson1_1DemodulationConfig(
+        input.demodulationConfig,
+        context
+      )
+    }),
+    ...(input.spectrumConfig !== undefined && {
+      spectrumConfig: serializeAws_restJson1_1SpectrumConfig(
+        input.spectrumConfig,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1AntennaUplinkConfig = (
   input: AntennaUplinkConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.spectrumConfig !== undefined) {
-    bodyParams["spectrumConfig"] = serializeAws_restJson1_1UplinkSpectrumConfig(
-      input.spectrumConfig,
-      context
-    );
-  }
-  if (input.targetEirp !== undefined) {
-    bodyParams["targetEirp"] = serializeAws_restJson1_1Eirp(
-      input.targetEirp,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.spectrumConfig !== undefined && {
+      spectrumConfig: serializeAws_restJson1_1UplinkSpectrumConfig(
+        input.spectrumConfig,
+        context
+      )
+    }),
+    ...(input.targetEirp !== undefined && {
+      targetEirp: serializeAws_restJson1_1Eirp(input.targetEirp, context)
+    })
+  };
 };
 
 const serializeAws_restJson1_1ConfigTypeData = (
@@ -3593,73 +3588,66 @@ const serializeAws_restJson1_1DataflowEndpoint = (
   input: DataflowEndpoint,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.address !== undefined) {
-    bodyParams["address"] = serializeAws_restJson1_1SocketAddress(
-      input.address,
-      context
-    );
-  }
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  if (input.status !== undefined) {
-    bodyParams["status"] = input.status;
-  }
-  return bodyParams;
+  return {
+    ...(input.address !== undefined && {
+      address: serializeAws_restJson1_1SocketAddress(input.address, context)
+    }),
+    ...(input.name !== undefined && { name: input.name }),
+    ...(input.status !== undefined && { status: input.status })
+  };
 };
 
 const serializeAws_restJson1_1DataflowEndpointConfig = (
   input: DataflowEndpointConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.dataflowEndpointName !== undefined) {
-    bodyParams["dataflowEndpointName"] = input.dataflowEndpointName;
-  }
-  return bodyParams;
+  return {
+    ...(input.dataflowEndpointName !== undefined && {
+      dataflowEndpointName: input.dataflowEndpointName
+    })
+  };
 };
 
 const serializeAws_restJson1_1DecodeConfig = (
   input: DecodeConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.unvalidatedJSON !== undefined) {
-    bodyParams["unvalidatedJSON"] = input.unvalidatedJSON;
-  }
-  return bodyParams;
+  return {
+    ...(input.unvalidatedJSON !== undefined && {
+      unvalidatedJSON: input.unvalidatedJSON
+    })
+  };
 };
 
 const serializeAws_restJson1_1DemodulationConfig = (
   input: DemodulationConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.unvalidatedJSON !== undefined) {
-    bodyParams["unvalidatedJSON"] = input.unvalidatedJSON;
-  }
-  return bodyParams;
+  return {
+    ...(input.unvalidatedJSON !== undefined && {
+      unvalidatedJSON: input.unvalidatedJSON
+    })
+  };
 };
 
 const serializeAws_restJson1_1EndpointDetails = (
   input: EndpointDetails,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.endpoint !== undefined) {
-    bodyParams["endpoint"] = serializeAws_restJson1_1DataflowEndpoint(
-      input.endpoint,
-      context
-    );
-  }
-  if (input.securityDetails !== undefined) {
-    bodyParams["securityDetails"] = serializeAws_restJson1_1SecurityDetails(
-      input.securityDetails,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.endpoint !== undefined && {
+      endpoint: serializeAws_restJson1_1DataflowEndpoint(
+        input.endpoint,
+        context
+      )
+    }),
+    ...(input.securityDetails !== undefined && {
+      securityDetails: serializeAws_restJson1_1SecurityDetails(
+        input.securityDetails,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1EndpointDetailsList = (
@@ -3682,92 +3670,69 @@ const serializeAws_restJson1_1TrackingConfig = (
   input: TrackingConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.autotrack !== undefined) {
-    bodyParams["autotrack"] = input.autotrack;
-  }
-  return bodyParams;
+  return {
+    ...(input.autotrack !== undefined && { autotrack: input.autotrack })
+  };
 };
 
 const serializeAws_restJson1_1UplinkEchoConfig = (
   input: UplinkEchoConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.antennaUplinkConfigArn !== undefined) {
-    bodyParams["antennaUplinkConfigArn"] = input.antennaUplinkConfigArn;
-  }
-  if (input.enabled !== undefined) {
-    bodyParams["enabled"] = input.enabled;
-  }
-  return bodyParams;
+  return {
+    ...(input.antennaUplinkConfigArn !== undefined && {
+      antennaUplinkConfigArn: input.antennaUplinkConfigArn
+    }),
+    ...(input.enabled !== undefined && { enabled: input.enabled })
+  };
 };
 
 const serializeAws_restJson1_1Eirp = (
   input: Eirp,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.units !== undefined) {
-    bodyParams["units"] = input.units;
-  }
-  if (input.value !== undefined) {
-    bodyParams["value"] = input.value;
-  }
-  return bodyParams;
+  return {
+    ...(input.units !== undefined && { units: input.units }),
+    ...(input.value !== undefined && { value: input.value })
+  };
 };
 
 const serializeAws_restJson1_1Frequency = (
   input: Frequency,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.units !== undefined) {
-    bodyParams["units"] = input.units;
-  }
-  if (input.value !== undefined) {
-    bodyParams["value"] = input.value;
-  }
-  return bodyParams;
+  return {
+    ...(input.units !== undefined && { units: input.units }),
+    ...(input.value !== undefined && { value: input.value })
+  };
 };
 
 const serializeAws_restJson1_1FrequencyBandwidth = (
   input: FrequencyBandwidth,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.units !== undefined) {
-    bodyParams["units"] = input.units;
-  }
-  if (input.value !== undefined) {
-    bodyParams["value"] = input.value;
-  }
-  return bodyParams;
+  return {
+    ...(input.units !== undefined && { units: input.units }),
+    ...(input.value !== undefined && { value: input.value })
+  };
 };
 
 const serializeAws_restJson1_1SecurityDetails = (
   input: SecurityDetails,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.roleArn !== undefined) {
-    bodyParams["roleArn"] = input.roleArn;
-  }
-  if (input.securityGroupIds !== undefined) {
-    bodyParams[
-      "securityGroupIds"
-    ] = serializeAws_restJson1_1SecurityGroupIdList(
-      input.securityGroupIds,
-      context
-    );
-  }
-  if (input.subnetIds !== undefined) {
-    bodyParams["subnetIds"] = serializeAws_restJson1_1SubnetList(
-      input.subnetIds,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.roleArn !== undefined && { roleArn: input.roleArn }),
+    ...(input.securityGroupIds !== undefined && {
+      securityGroupIds: serializeAws_restJson1_1SecurityGroupIdList(
+        input.securityGroupIds,
+        context
+      )
+    }),
+    ...(input.subnetIds !== undefined && {
+      subnetIds: serializeAws_restJson1_1SubnetList(input.subnetIds, context)
+    })
+  };
 };
 
 const serializeAws_restJson1_1SecurityGroupIdList = (
@@ -3781,37 +3746,33 @@ const serializeAws_restJson1_1SocketAddress = (
   input: SocketAddress,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  if (input.port !== undefined) {
-    bodyParams["port"] = input.port;
-  }
-  return bodyParams;
+  return {
+    ...(input.name !== undefined && { name: input.name }),
+    ...(input.port !== undefined && { port: input.port })
+  };
 };
 
 const serializeAws_restJson1_1SpectrumConfig = (
   input: SpectrumConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.bandwidth !== undefined) {
-    bodyParams["bandwidth"] = serializeAws_restJson1_1FrequencyBandwidth(
-      input.bandwidth,
-      context
-    );
-  }
-  if (input.centerFrequency !== undefined) {
-    bodyParams["centerFrequency"] = serializeAws_restJson1_1Frequency(
-      input.centerFrequency,
-      context
-    );
-  }
-  if (input.polarization !== undefined) {
-    bodyParams["polarization"] = input.polarization;
-  }
-  return bodyParams;
+  return {
+    ...(input.bandwidth !== undefined && {
+      bandwidth: serializeAws_restJson1_1FrequencyBandwidth(
+        input.bandwidth,
+        context
+      )
+    }),
+    ...(input.centerFrequency !== undefined && {
+      centerFrequency: serializeAws_restJson1_1Frequency(
+        input.centerFrequency,
+        context
+      )
+    }),
+    ...(input.polarization !== undefined && {
+      polarization: input.polarization
+    })
+  };
 };
 
 const serializeAws_restJson1_1SubnetList = (
@@ -3835,17 +3796,17 @@ const serializeAws_restJson1_1UplinkSpectrumConfig = (
   input: UplinkSpectrumConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.centerFrequency !== undefined) {
-    bodyParams["centerFrequency"] = serializeAws_restJson1_1Frequency(
-      input.centerFrequency,
-      context
-    );
-  }
-  if (input.polarization !== undefined) {
-    bodyParams["polarization"] = input.polarization;
-  }
-  return bodyParams;
+  return {
+    ...(input.centerFrequency !== undefined && {
+      centerFrequency: serializeAws_restJson1_1Frequency(
+        input.centerFrequency,
+        context
+      )
+    }),
+    ...(input.polarization !== undefined && {
+      polarization: input.polarization
+    })
+  };
 };
 
 const deserializeAws_restJson1_1AntennaDownlinkConfig = (
diff --git a/clients/client-guardduty/protocols/Aws_restJson1_1.ts b/clients/client-guardduty/protocols/Aws_restJson1_1.ts
index 02addad26eac..224de38843df 100644
--- a/clients/client-guardduty/protocols/Aws_restJson1_1.ts
+++ b/clients/client-guardduty/protocols/Aws_restJson1_1.ts
@@ -6198,14 +6198,10 @@ const serializeAws_restJson1_1AccountDetail = (
   input: AccountDetail,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AccountId !== undefined) {
-    bodyParams["accountId"] = input.AccountId;
-  }
-  if (input.Email !== undefined) {
-    bodyParams["email"] = input.Email;
-  }
-  return bodyParams;
+  return {
+    ...(input.AccountId !== undefined && { accountId: input.AccountId }),
+    ...(input.Email !== undefined && { email: input.Email })
+  };
 };
 
 const serializeAws_restJson1_1AccountDetails = (
@@ -6228,50 +6224,32 @@ const serializeAws_restJson1_1Condition = (
   input: Condition,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Eq !== undefined) {
-    bodyParams["eq"] = serializeAws_restJson1_1Eq(input.Eq, context);
-  }
-  if (input.Equals !== undefined) {
-    bodyParams["equals"] = serializeAws_restJson1_1Equals(
-      input.Equals,
-      context
-    );
-  }
-  if (input.GreaterThan !== undefined) {
-    bodyParams["greaterThan"] = input.GreaterThan;
-  }
-  if (input.GreaterThanOrEqual !== undefined) {
-    bodyParams["greaterThanOrEqual"] = input.GreaterThanOrEqual;
-  }
-  if (input.Gt !== undefined) {
-    bodyParams["gt"] = input.Gt;
-  }
-  if (input.Gte !== undefined) {
-    bodyParams["gte"] = input.Gte;
-  }
-  if (input.LessThan !== undefined) {
-    bodyParams["lessThan"] = input.LessThan;
-  }
-  if (input.LessThanOrEqual !== undefined) {
-    bodyParams["lessThanOrEqual"] = input.LessThanOrEqual;
-  }
-  if (input.Lt !== undefined) {
-    bodyParams["lt"] = input.Lt;
-  }
-  if (input.Lte !== undefined) {
-    bodyParams["lte"] = input.Lte;
-  }
-  if (input.Neq !== undefined) {
-    bodyParams["neq"] = serializeAws_restJson1_1Neq(input.Neq, context);
-  }
-  if (input.NotEquals !== undefined) {
-    bodyParams["notEquals"] = serializeAws_restJson1_1NotEquals(
-      input.NotEquals,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Eq !== undefined && {
+      eq: serializeAws_restJson1_1Eq(input.Eq, context)
+    }),
+    ...(input.Equals !== undefined && {
+      equals: serializeAws_restJson1_1Equals(input.Equals, context)
+    }),
+    ...(input.GreaterThan !== undefined && { greaterThan: input.GreaterThan }),
+    ...(input.GreaterThanOrEqual !== undefined && {
+      greaterThanOrEqual: input.GreaterThanOrEqual
+    }),
+    ...(input.Gt !== undefined && { gt: input.Gt }),
+    ...(input.Gte !== undefined && { gte: input.Gte }),
+    ...(input.LessThan !== undefined && { lessThan: input.LessThan }),
+    ...(input.LessThanOrEqual !== undefined && {
+      lessThanOrEqual: input.LessThanOrEqual
+    }),
+    ...(input.Lt !== undefined && { lt: input.Lt }),
+    ...(input.Lte !== undefined && { lte: input.Lte }),
+    ...(input.Neq !== undefined && {
+      neq: serializeAws_restJson1_1Neq(input.Neq, context)
+    }),
+    ...(input.NotEquals !== undefined && {
+      notEquals: serializeAws_restJson1_1NotEquals(input.NotEquals, context)
+    })
+  };
 };
 
 const serializeAws_restJson1_1Criterion = (
@@ -6288,14 +6266,12 @@ const serializeAws_restJson1_1DestinationProperties = (
   input: DestinationProperties,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DestinationArn !== undefined) {
-    bodyParams["destinationArn"] = input.DestinationArn;
-  }
-  if (input.KmsKeyArn !== undefined) {
-    bodyParams["kmsKeyArn"] = input.KmsKeyArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.DestinationArn !== undefined && {
+      destinationArn: input.DestinationArn
+    }),
+    ...(input.KmsKeyArn !== undefined && { kmsKeyArn: input.KmsKeyArn })
+  };
 };
 
 const serializeAws_restJson1_1Eq = (
@@ -6316,14 +6292,11 @@ const serializeAws_restJson1_1FindingCriteria = (
   input: FindingCriteria,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Criterion !== undefined) {
-    bodyParams["criterion"] = serializeAws_restJson1_1Criterion(
-      input.Criterion,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Criterion !== undefined && {
+      criterion: serializeAws_restJson1_1Criterion(input.Criterion, context)
+    })
+  };
 };
 
 const serializeAws_restJson1_1FindingIds = (
@@ -6365,14 +6338,12 @@ const serializeAws_restJson1_1SortCriteria = (
   input: SortCriteria,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AttributeName !== undefined) {
-    bodyParams["attributeName"] = input.AttributeName;
-  }
-  if (input.OrderBy !== undefined) {
-    bodyParams["orderBy"] = input.OrderBy;
-  }
-  return bodyParams;
+  return {
+    ...(input.AttributeName !== undefined && {
+      attributeName: input.AttributeName
+    }),
+    ...(input.OrderBy !== undefined && { orderBy: input.OrderBy })
+  };
 };
 
 const serializeAws_restJson1_1TagMap = (
diff --git a/clients/client-health/protocols/Aws_json1_1.ts b/clients/client-health/protocols/Aws_json1_1.ts
index c92d3cc3d110..84fe200396da 100644
--- a/clients/client-health/protocols/Aws_json1_1.ts
+++ b/clients/client-health/protocols/Aws_json1_1.ts
@@ -1322,207 +1322,138 @@ const serializeAws_json1_1DescribeAffectedAccountsForOrganizationRequest = (
   input: DescribeAffectedAccountsForOrganizationRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.eventArn !== undefined) {
-    bodyParams["eventArn"] = input.eventArn;
-  }
-  if (input.maxResults !== undefined) {
-    bodyParams["maxResults"] = input.maxResults;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.eventArn !== undefined && { eventArn: input.eventArn }),
+    ...(input.maxResults !== undefined && { maxResults: input.maxResults }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken })
+  };
 };
 
 const serializeAws_json1_1DescribeAffectedEntitiesForOrganizationRequest = (
   input: DescribeAffectedEntitiesForOrganizationRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.locale !== undefined) {
-    bodyParams["locale"] = input.locale;
-  }
-  if (input.maxResults !== undefined) {
-    bodyParams["maxResults"] = input.maxResults;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  if (input.organizationEntityFilters !== undefined) {
-    bodyParams[
-      "organizationEntityFilters"
-    ] = serializeAws_json1_1OrganizationEntityFiltersList(
-      input.organizationEntityFilters,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.locale !== undefined && { locale: input.locale }),
+    ...(input.maxResults !== undefined && { maxResults: input.maxResults }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken }),
+    ...(input.organizationEntityFilters !== undefined && {
+      organizationEntityFilters: serializeAws_json1_1OrganizationEntityFiltersList(
+        input.organizationEntityFilters,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeAffectedEntitiesRequest = (
   input: DescribeAffectedEntitiesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.filter !== undefined) {
-    bodyParams["filter"] = serializeAws_json1_1EntityFilter(
-      input.filter,
-      context
-    );
-  }
-  if (input.locale !== undefined) {
-    bodyParams["locale"] = input.locale;
-  }
-  if (input.maxResults !== undefined) {
-    bodyParams["maxResults"] = input.maxResults;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.filter !== undefined && {
+      filter: serializeAws_json1_1EntityFilter(input.filter, context)
+    }),
+    ...(input.locale !== undefined && { locale: input.locale }),
+    ...(input.maxResults !== undefined && { maxResults: input.maxResults }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken })
+  };
 };
 
 const serializeAws_json1_1DescribeEntityAggregatesRequest = (
   input: DescribeEntityAggregatesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.eventArns !== undefined) {
-    bodyParams["eventArns"] = serializeAws_json1_1EventArnsList(
-      input.eventArns,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.eventArns !== undefined && {
+      eventArns: serializeAws_json1_1EventArnsList(input.eventArns, context)
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeEventAggregatesRequest = (
   input: DescribeEventAggregatesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.aggregateField !== undefined) {
-    bodyParams["aggregateField"] = input.aggregateField;
-  }
-  if (input.filter !== undefined) {
-    bodyParams["filter"] = serializeAws_json1_1EventFilter(
-      input.filter,
-      context
-    );
-  }
-  if (input.maxResults !== undefined) {
-    bodyParams["maxResults"] = input.maxResults;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.aggregateField !== undefined && {
+      aggregateField: input.aggregateField
+    }),
+    ...(input.filter !== undefined && {
+      filter: serializeAws_json1_1EventFilter(input.filter, context)
+    }),
+    ...(input.maxResults !== undefined && { maxResults: input.maxResults }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken })
+  };
 };
 
 const serializeAws_json1_1DescribeEventDetailsForOrganizationRequest = (
   input: DescribeEventDetailsForOrganizationRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.locale !== undefined) {
-    bodyParams["locale"] = input.locale;
-  }
-  if (input.organizationEventDetailFilters !== undefined) {
-    bodyParams[
-      "organizationEventDetailFilters"
-    ] = serializeAws_json1_1OrganizationEventDetailFiltersList(
-      input.organizationEventDetailFilters,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.locale !== undefined && { locale: input.locale }),
+    ...(input.organizationEventDetailFilters !== undefined && {
+      organizationEventDetailFilters: serializeAws_json1_1OrganizationEventDetailFiltersList(
+        input.organizationEventDetailFilters,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeEventDetailsRequest = (
   input: DescribeEventDetailsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.eventArns !== undefined) {
-    bodyParams["eventArns"] = serializeAws_json1_1eventArnList(
-      input.eventArns,
-      context
-    );
-  }
-  if (input.locale !== undefined) {
-    bodyParams["locale"] = input.locale;
-  }
-  return bodyParams;
+  return {
+    ...(input.eventArns !== undefined && {
+      eventArns: serializeAws_json1_1eventArnList(input.eventArns, context)
+    }),
+    ...(input.locale !== undefined && { locale: input.locale })
+  };
 };
 
 const serializeAws_json1_1DescribeEventTypesRequest = (
   input: DescribeEventTypesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.filter !== undefined) {
-    bodyParams["filter"] = serializeAws_json1_1EventTypeFilter(
-      input.filter,
-      context
-    );
-  }
-  if (input.locale !== undefined) {
-    bodyParams["locale"] = input.locale;
-  }
-  if (input.maxResults !== undefined) {
-    bodyParams["maxResults"] = input.maxResults;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.filter !== undefined && {
+      filter: serializeAws_json1_1EventTypeFilter(input.filter, context)
+    }),
+    ...(input.locale !== undefined && { locale: input.locale }),
+    ...(input.maxResults !== undefined && { maxResults: input.maxResults }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken })
+  };
 };
 
 const serializeAws_json1_1DescribeEventsForOrganizationRequest = (
   input: DescribeEventsForOrganizationRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.filter !== undefined) {
-    bodyParams["filter"] = serializeAws_json1_1OrganizationEventFilter(
-      input.filter,
-      context
-    );
-  }
-  if (input.locale !== undefined) {
-    bodyParams["locale"] = input.locale;
-  }
-  if (input.maxResults !== undefined) {
-    bodyParams["maxResults"] = input.maxResults;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.filter !== undefined && {
+      filter: serializeAws_json1_1OrganizationEventFilter(input.filter, context)
+    }),
+    ...(input.locale !== undefined && { locale: input.locale }),
+    ...(input.maxResults !== undefined && { maxResults: input.maxResults }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken })
+  };
 };
 
 const serializeAws_json1_1DescribeEventsRequest = (
   input: DescribeEventsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.filter !== undefined) {
-    bodyParams["filter"] = serializeAws_json1_1EventFilter(
-      input.filter,
-      context
-    );
-  }
-  if (input.locale !== undefined) {
-    bodyParams["locale"] = input.locale;
-  }
-  if (input.maxResults !== undefined) {
-    bodyParams["maxResults"] = input.maxResults;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.filter !== undefined && {
+      filter: serializeAws_json1_1EventFilter(input.filter, context)
+    }),
+    ...(input.locale !== undefined && { locale: input.locale }),
+    ...(input.maxResults !== undefined && { maxResults: input.maxResults }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken })
+  };
 };
 
 const serializeAws_json1_1EventArnsList = (
@@ -1554,154 +1485,127 @@ const serializeAws_json1_1DateTimeRange = (
   input: DateTimeRange,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.from !== undefined) {
-    bodyParams["from"] = Math.round(input.from.getTime() / 1000);
-  }
-  if (input.to !== undefined) {
-    bodyParams["to"] = Math.round(input.to.getTime() / 1000);
-  }
-  return bodyParams;
+  return {
+    ...(input.from !== undefined && {
+      from: Math.round(input.from.getTime() / 1000)
+    }),
+    ...(input.to !== undefined && { to: Math.round(input.to.getTime() / 1000) })
+  };
 };
 
 const serializeAws_json1_1EntityFilter = (
   input: EntityFilter,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.entityArns !== undefined) {
-    bodyParams["entityArns"] = serializeAws_json1_1entityArnList(
-      input.entityArns,
-      context
-    );
-  }
-  if (input.entityValues !== undefined) {
-    bodyParams["entityValues"] = serializeAws_json1_1entityValueList(
-      input.entityValues,
-      context
-    );
-  }
-  if (input.eventArns !== undefined) {
-    bodyParams["eventArns"] = serializeAws_json1_1eventArnList(
-      input.eventArns,
-      context
-    );
-  }
-  if (input.lastUpdatedTimes !== undefined) {
-    bodyParams["lastUpdatedTimes"] = serializeAws_json1_1dateTimeRangeList(
-      input.lastUpdatedTimes,
-      context
-    );
-  }
-  if (input.statusCodes !== undefined) {
-    bodyParams["statusCodes"] = serializeAws_json1_1entityStatusCodeList(
-      input.statusCodes,
-      context
-    );
-  }
-  if (input.tags !== undefined) {
-    bodyParams["tags"] = serializeAws_json1_1tagFilter(input.tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.entityArns !== undefined && {
+      entityArns: serializeAws_json1_1entityArnList(input.entityArns, context)
+    }),
+    ...(input.entityValues !== undefined && {
+      entityValues: serializeAws_json1_1entityValueList(
+        input.entityValues,
+        context
+      )
+    }),
+    ...(input.eventArns !== undefined && {
+      eventArns: serializeAws_json1_1eventArnList(input.eventArns, context)
+    }),
+    ...(input.lastUpdatedTimes !== undefined && {
+      lastUpdatedTimes: serializeAws_json1_1dateTimeRangeList(
+        input.lastUpdatedTimes,
+        context
+      )
+    }),
+    ...(input.statusCodes !== undefined && {
+      statusCodes: serializeAws_json1_1entityStatusCodeList(
+        input.statusCodes,
+        context
+      )
+    }),
+    ...(input.tags !== undefined && {
+      tags: serializeAws_json1_1tagFilter(input.tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1EventAccountFilter = (
   input: EventAccountFilter,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.awsAccountId !== undefined) {
-    bodyParams["awsAccountId"] = input.awsAccountId;
-  }
-  if (input.eventArn !== undefined) {
-    bodyParams["eventArn"] = input.eventArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.awsAccountId !== undefined && {
+      awsAccountId: input.awsAccountId
+    }),
+    ...(input.eventArn !== undefined && { eventArn: input.eventArn })
+  };
 };
 
 const serializeAws_json1_1EventFilter = (
   input: EventFilter,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.availabilityZones !== undefined) {
-    bodyParams["availabilityZones"] = serializeAws_json1_1availabilityZones(
-      input.availabilityZones,
-      context
-    );
-  }
-  if (input.endTimes !== undefined) {
-    bodyParams["endTimes"] = serializeAws_json1_1dateTimeRangeList(
-      input.endTimes,
-      context
-    );
-  }
-  if (input.entityArns !== undefined) {
-    bodyParams["entityArns"] = serializeAws_json1_1entityArnList(
-      input.entityArns,
-      context
-    );
-  }
-  if (input.entityValues !== undefined) {
-    bodyParams["entityValues"] = serializeAws_json1_1entityValueList(
-      input.entityValues,
-      context
-    );
-  }
-  if (input.eventArns !== undefined) {
-    bodyParams["eventArns"] = serializeAws_json1_1eventArnList(
-      input.eventArns,
-      context
-    );
-  }
-  if (input.eventStatusCodes !== undefined) {
-    bodyParams["eventStatusCodes"] = serializeAws_json1_1eventStatusCodeList(
-      input.eventStatusCodes,
-      context
-    );
-  }
-  if (input.eventTypeCategories !== undefined) {
-    bodyParams[
-      "eventTypeCategories"
-    ] = serializeAws_json1_1eventTypeCategoryList(
-      input.eventTypeCategories,
-      context
-    );
-  }
-  if (input.eventTypeCodes !== undefined) {
-    bodyParams["eventTypeCodes"] = serializeAws_json1_1eventTypeList(
-      input.eventTypeCodes,
-      context
-    );
-  }
-  if (input.lastUpdatedTimes !== undefined) {
-    bodyParams["lastUpdatedTimes"] = serializeAws_json1_1dateTimeRangeList(
-      input.lastUpdatedTimes,
-      context
-    );
-  }
-  if (input.regions !== undefined) {
-    bodyParams["regions"] = serializeAws_json1_1regionList(
-      input.regions,
-      context
-    );
-  }
-  if (input.services !== undefined) {
-    bodyParams["services"] = serializeAws_json1_1serviceList(
-      input.services,
-      context
-    );
-  }
-  if (input.startTimes !== undefined) {
-    bodyParams["startTimes"] = serializeAws_json1_1dateTimeRangeList(
-      input.startTimes,
-      context
-    );
-  }
-  if (input.tags !== undefined) {
-    bodyParams["tags"] = serializeAws_json1_1tagFilter(input.tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.availabilityZones !== undefined && {
+      availabilityZones: serializeAws_json1_1availabilityZones(
+        input.availabilityZones,
+        context
+      )
+    }),
+    ...(input.endTimes !== undefined && {
+      endTimes: serializeAws_json1_1dateTimeRangeList(input.endTimes, context)
+    }),
+    ...(input.entityArns !== undefined && {
+      entityArns: serializeAws_json1_1entityArnList(input.entityArns, context)
+    }),
+    ...(input.entityValues !== undefined && {
+      entityValues: serializeAws_json1_1entityValueList(
+        input.entityValues,
+        context
+      )
+    }),
+    ...(input.eventArns !== undefined && {
+      eventArns: serializeAws_json1_1eventArnList(input.eventArns, context)
+    }),
+    ...(input.eventStatusCodes !== undefined && {
+      eventStatusCodes: serializeAws_json1_1eventStatusCodeList(
+        input.eventStatusCodes,
+        context
+      )
+    }),
+    ...(input.eventTypeCategories !== undefined && {
+      eventTypeCategories: serializeAws_json1_1eventTypeCategoryList(
+        input.eventTypeCategories,
+        context
+      )
+    }),
+    ...(input.eventTypeCodes !== undefined && {
+      eventTypeCodes: serializeAws_json1_1eventTypeList(
+        input.eventTypeCodes,
+        context
+      )
+    }),
+    ...(input.lastUpdatedTimes !== undefined && {
+      lastUpdatedTimes: serializeAws_json1_1dateTimeRangeList(
+        input.lastUpdatedTimes,
+        context
+      )
+    }),
+    ...(input.regions !== undefined && {
+      regions: serializeAws_json1_1regionList(input.regions, context)
+    }),
+    ...(input.services !== undefined && {
+      services: serializeAws_json1_1serviceList(input.services, context)
+    }),
+    ...(input.startTimes !== undefined && {
+      startTimes: serializeAws_json1_1dateTimeRangeList(
+        input.startTimes,
+        context
+      )
+    }),
+    ...(input.tags !== undefined && {
+      tags: serializeAws_json1_1tagFilter(input.tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1EventTypeCategoryList = (
@@ -1722,104 +1626,82 @@ const serializeAws_json1_1EventTypeFilter = (
   input: EventTypeFilter,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.eventTypeCategories !== undefined) {
-    bodyParams[
-      "eventTypeCategories"
-    ] = serializeAws_json1_1EventTypeCategoryList(
-      input.eventTypeCategories,
-      context
-    );
-  }
-  if (input.eventTypeCodes !== undefined) {
-    bodyParams["eventTypeCodes"] = serializeAws_json1_1EventTypeCodeList(
-      input.eventTypeCodes,
-      context
-    );
-  }
-  if (input.services !== undefined) {
-    bodyParams["services"] = serializeAws_json1_1serviceList(
-      input.services,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.eventTypeCategories !== undefined && {
+      eventTypeCategories: serializeAws_json1_1EventTypeCategoryList(
+        input.eventTypeCategories,
+        context
+      )
+    }),
+    ...(input.eventTypeCodes !== undefined && {
+      eventTypeCodes: serializeAws_json1_1EventTypeCodeList(
+        input.eventTypeCodes,
+        context
+      )
+    }),
+    ...(input.services !== undefined && {
+      services: serializeAws_json1_1serviceList(input.services, context)
+    })
+  };
 };
 
 const serializeAws_json1_1OrganizationEventFilter = (
   input: OrganizationEventFilter,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.awsAccountIds !== undefined) {
-    bodyParams["awsAccountIds"] = serializeAws_json1_1awsAccountIdsList(
-      input.awsAccountIds,
-      context
-    );
-  }
-  if (input.endTime !== undefined) {
-    bodyParams["endTime"] = serializeAws_json1_1DateTimeRange(
-      input.endTime,
-      context
-    );
-  }
-  if (input.entityArns !== undefined) {
-    bodyParams["entityArns"] = serializeAws_json1_1entityArnList(
-      input.entityArns,
-      context
-    );
-  }
-  if (input.entityValues !== undefined) {
-    bodyParams["entityValues"] = serializeAws_json1_1entityValueList(
-      input.entityValues,
-      context
-    );
-  }
-  if (input.eventStatusCodes !== undefined) {
-    bodyParams["eventStatusCodes"] = serializeAws_json1_1eventStatusCodeList(
-      input.eventStatusCodes,
-      context
-    );
-  }
-  if (input.eventTypeCategories !== undefined) {
-    bodyParams[
-      "eventTypeCategories"
-    ] = serializeAws_json1_1eventTypeCategoryList(
-      input.eventTypeCategories,
-      context
-    );
-  }
-  if (input.eventTypeCodes !== undefined) {
-    bodyParams["eventTypeCodes"] = serializeAws_json1_1eventTypeList(
-      input.eventTypeCodes,
-      context
-    );
-  }
-  if (input.lastUpdatedTime !== undefined) {
-    bodyParams["lastUpdatedTime"] = serializeAws_json1_1DateTimeRange(
-      input.lastUpdatedTime,
-      context
-    );
-  }
-  if (input.regions !== undefined) {
-    bodyParams["regions"] = serializeAws_json1_1regionList(
-      input.regions,
-      context
-    );
-  }
-  if (input.services !== undefined) {
-    bodyParams["services"] = serializeAws_json1_1serviceList(
-      input.services,
-      context
-    );
-  }
-  if (input.startTime !== undefined) {
-    bodyParams["startTime"] = serializeAws_json1_1DateTimeRange(
-      input.startTime,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.awsAccountIds !== undefined && {
+      awsAccountIds: serializeAws_json1_1awsAccountIdsList(
+        input.awsAccountIds,
+        context
+      )
+    }),
+    ...(input.endTime !== undefined && {
+      endTime: serializeAws_json1_1DateTimeRange(input.endTime, context)
+    }),
+    ...(input.entityArns !== undefined && {
+      entityArns: serializeAws_json1_1entityArnList(input.entityArns, context)
+    }),
+    ...(input.entityValues !== undefined && {
+      entityValues: serializeAws_json1_1entityValueList(
+        input.entityValues,
+        context
+      )
+    }),
+    ...(input.eventStatusCodes !== undefined && {
+      eventStatusCodes: serializeAws_json1_1eventStatusCodeList(
+        input.eventStatusCodes,
+        context
+      )
+    }),
+    ...(input.eventTypeCategories !== undefined && {
+      eventTypeCategories: serializeAws_json1_1eventTypeCategoryList(
+        input.eventTypeCategories,
+        context
+      )
+    }),
+    ...(input.eventTypeCodes !== undefined && {
+      eventTypeCodes: serializeAws_json1_1eventTypeList(
+        input.eventTypeCodes,
+        context
+      )
+    }),
+    ...(input.lastUpdatedTime !== undefined && {
+      lastUpdatedTime: serializeAws_json1_1DateTimeRange(
+        input.lastUpdatedTime,
+        context
+      )
+    }),
+    ...(input.regions !== undefined && {
+      regions: serializeAws_json1_1regionList(input.regions, context)
+    }),
+    ...(input.services !== undefined && {
+      services: serializeAws_json1_1serviceList(input.services, context)
+    }),
+    ...(input.startTime !== undefined && {
+      startTime: serializeAws_json1_1DateTimeRange(input.startTime, context)
+    })
+  };
 };
 
 const serializeAws_json1_1dateTimeRangeList = (
diff --git a/clients/client-imagebuilder/protocols/Aws_restJson1_1.ts b/clients/client-imagebuilder/protocols/Aws_restJson1_1.ts
index 67e74aa921b0..72bc4389d137 100644
--- a/clients/client-imagebuilder/protocols/Aws_restJson1_1.ts
+++ b/clients/client-imagebuilder/protocols/Aws_restJson1_1.ts
@@ -7857,28 +7857,19 @@ const serializeAws_restJson1_1AmiDistributionConfiguration = (
   input: AmiDistributionConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.amiTags !== undefined) {
-    bodyParams["amiTags"] = serializeAws_restJson1_1TagMap(
-      input.amiTags,
-      context
-    );
-  }
-  if (input.description !== undefined) {
-    bodyParams["description"] = input.description;
-  }
-  if (input.launchPermission !== undefined) {
-    bodyParams[
-      "launchPermission"
-    ] = serializeAws_restJson1_1LaunchPermissionConfiguration(
-      input.launchPermission,
-      context
-    );
-  }
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  return bodyParams;
+  return {
+    ...(input.amiTags !== undefined && {
+      amiTags: serializeAws_restJson1_1TagMap(input.amiTags, context)
+    }),
+    ...(input.description !== undefined && { description: input.description }),
+    ...(input.launchPermission !== undefined && {
+      launchPermission: serializeAws_restJson1_1LaunchPermissionConfiguration(
+        input.launchPermission,
+        context
+      )
+    }),
+    ...(input.name !== undefined && { name: input.name })
+  };
 };
 
 const serializeAws_restJson1_1ArnList = (
@@ -7892,11 +7883,11 @@ const serializeAws_restJson1_1ComponentConfiguration = (
   input: ComponentConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.componentArn !== undefined) {
-    bodyParams["componentArn"] = input.componentArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.componentArn !== undefined && {
+      componentArn: input.componentArn
+    })
+  };
 };
 
 const serializeAws_restJson1_1ComponentConfigurationList = (
@@ -7912,25 +7903,21 @@ const serializeAws_restJson1_1Distribution = (
   input: Distribution,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.amiDistributionConfiguration !== undefined) {
-    bodyParams[
-      "amiDistributionConfiguration"
-    ] = serializeAws_restJson1_1AmiDistributionConfiguration(
-      input.amiDistributionConfiguration,
-      context
-    );
-  }
-  if (input.licenseConfigurationArns !== undefined) {
-    bodyParams["licenseConfigurationArns"] = serializeAws_restJson1_1ArnList(
-      input.licenseConfigurationArns,
-      context
-    );
-  }
-  if (input.region !== undefined) {
-    bodyParams["region"] = input.region;
-  }
-  return bodyParams;
+  return {
+    ...(input.amiDistributionConfiguration !== undefined && {
+      amiDistributionConfiguration: serializeAws_restJson1_1AmiDistributionConfiguration(
+        input.amiDistributionConfiguration,
+        context
+      )
+    }),
+    ...(input.licenseConfigurationArns !== undefined && {
+      licenseConfigurationArns: serializeAws_restJson1_1ArnList(
+        input.licenseConfigurationArns,
+        context
+      )
+    }),
+    ...(input.region !== undefined && { region: input.region })
+  };
 };
 
 const serializeAws_restJson1_1DistributionList = (
@@ -7946,46 +7933,29 @@ const serializeAws_restJson1_1EbsInstanceBlockDeviceSpecification = (
   input: EbsInstanceBlockDeviceSpecification,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.deleteOnTermination !== undefined) {
-    bodyParams["deleteOnTermination"] = input.deleteOnTermination;
-  }
-  if (input.encrypted !== undefined) {
-    bodyParams["encrypted"] = input.encrypted;
-  }
-  if (input.iops !== undefined) {
-    bodyParams["iops"] = input.iops;
-  }
-  if (input.kmsKeyId !== undefined) {
-    bodyParams["kmsKeyId"] = input.kmsKeyId;
-  }
-  if (input.snapshotId !== undefined) {
-    bodyParams["snapshotId"] = input.snapshotId;
-  }
-  if (input.volumeSize !== undefined) {
-    bodyParams["volumeSize"] = input.volumeSize;
-  }
-  if (input.volumeType !== undefined) {
-    bodyParams["volumeType"] = input.volumeType;
-  }
-  return bodyParams;
+  return {
+    ...(input.deleteOnTermination !== undefined && {
+      deleteOnTermination: input.deleteOnTermination
+    }),
+    ...(input.encrypted !== undefined && { encrypted: input.encrypted }),
+    ...(input.iops !== undefined && { iops: input.iops }),
+    ...(input.kmsKeyId !== undefined && { kmsKeyId: input.kmsKeyId }),
+    ...(input.snapshotId !== undefined && { snapshotId: input.snapshotId }),
+    ...(input.volumeSize !== undefined && { volumeSize: input.volumeSize }),
+    ...(input.volumeType !== undefined && { volumeType: input.volumeType })
+  };
 };
 
 const serializeAws_restJson1_1Filter = (
   input: Filter,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  if (input.values !== undefined) {
-    bodyParams["values"] = serializeAws_restJson1_1FilterValues(
-      input.values,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.name !== undefined && { name: input.name }),
+    ...(input.values !== undefined && {
+      values: serializeAws_restJson1_1FilterValues(input.values, context)
+    })
+  };
 };
 
 const serializeAws_restJson1_1FilterList = (
@@ -8006,39 +7976,31 @@ const serializeAws_restJson1_1ImageTestsConfiguration = (
   input: ImageTestsConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.imageTestsEnabled !== undefined) {
-    bodyParams["imageTestsEnabled"] = input.imageTestsEnabled;
-  }
-  if (input.timeoutMinutes !== undefined) {
-    bodyParams["timeoutMinutes"] = input.timeoutMinutes;
-  }
-  return bodyParams;
+  return {
+    ...(input.imageTestsEnabled !== undefined && {
+      imageTestsEnabled: input.imageTestsEnabled
+    }),
+    ...(input.timeoutMinutes !== undefined && {
+      timeoutMinutes: input.timeoutMinutes
+    })
+  };
 };
 
 const serializeAws_restJson1_1InstanceBlockDeviceMapping = (
   input: InstanceBlockDeviceMapping,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.deviceName !== undefined) {
-    bodyParams["deviceName"] = input.deviceName;
-  }
-  if (input.ebs !== undefined) {
-    bodyParams[
-      "ebs"
-    ] = serializeAws_restJson1_1EbsInstanceBlockDeviceSpecification(
-      input.ebs,
-      context
-    );
-  }
-  if (input.noDevice !== undefined) {
-    bodyParams["noDevice"] = input.noDevice;
-  }
-  if (input.virtualName !== undefined) {
-    bodyParams["virtualName"] = input.virtualName;
-  }
-  return bodyParams;
+  return {
+    ...(input.deviceName !== undefined && { deviceName: input.deviceName }),
+    ...(input.ebs !== undefined && {
+      ebs: serializeAws_restJson1_1EbsInstanceBlockDeviceSpecification(
+        input.ebs,
+        context
+      )
+    }),
+    ...(input.noDevice !== undefined && { noDevice: input.noDevice }),
+    ...(input.virtualName !== undefined && { virtualName: input.virtualName })
+  };
 };
 
 const serializeAws_restJson1_1InstanceBlockDeviceMappings = (
@@ -8061,63 +8023,51 @@ const serializeAws_restJson1_1LaunchPermissionConfiguration = (
   input: LaunchPermissionConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.userGroups !== undefined) {
-    bodyParams["userGroups"] = serializeAws_restJson1_1StringList(
-      input.userGroups,
-      context
-    );
-  }
-  if (input.userIds !== undefined) {
-    bodyParams["userIds"] = serializeAws_restJson1_1AccountList(
-      input.userIds,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.userGroups !== undefined && {
+      userGroups: serializeAws_restJson1_1StringList(input.userGroups, context)
+    }),
+    ...(input.userIds !== undefined && {
+      userIds: serializeAws_restJson1_1AccountList(input.userIds, context)
+    })
+  };
 };
 
 const serializeAws_restJson1_1Logging = (
   input: Logging,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.s3Logs !== undefined) {
-    bodyParams["s3Logs"] = serializeAws_restJson1_1S3Logs(
-      input.s3Logs,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.s3Logs !== undefined && {
+      s3Logs: serializeAws_restJson1_1S3Logs(input.s3Logs, context)
+    })
+  };
 };
 
 const serializeAws_restJson1_1S3Logs = (
   input: S3Logs,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.s3BucketName !== undefined) {
-    bodyParams["s3BucketName"] = input.s3BucketName;
-  }
-  if (input.s3KeyPrefix !== undefined) {
-    bodyParams["s3KeyPrefix"] = input.s3KeyPrefix;
-  }
-  return bodyParams;
+  return {
+    ...(input.s3BucketName !== undefined && {
+      s3BucketName: input.s3BucketName
+    }),
+    ...(input.s3KeyPrefix !== undefined && { s3KeyPrefix: input.s3KeyPrefix })
+  };
 };
 
 const serializeAws_restJson1_1Schedule = (
   input: Schedule,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.pipelineExecutionStartCondition !== undefined) {
-    bodyParams["pipelineExecutionStartCondition"] =
-      input.pipelineExecutionStartCondition;
-  }
-  if (input.scheduleExpression !== undefined) {
-    bodyParams["scheduleExpression"] = input.scheduleExpression;
-  }
-  return bodyParams;
+  return {
+    ...(input.pipelineExecutionStartCondition !== undefined && {
+      pipelineExecutionStartCondition: input.pipelineExecutionStartCondition
+    }),
+    ...(input.scheduleExpression !== undefined && {
+      scheduleExpression: input.scheduleExpression
+    })
+  };
 };
 
 const serializeAws_restJson1_1SecurityGroupIds = (
diff --git a/clients/client-inspector/protocols/Aws_json1_1.ts b/clients/client-inspector/protocols/Aws_json1_1.ts
index 4a6f9ed697eb..01aa08ede704 100644
--- a/clients/client-inspector/protocols/Aws_json1_1.ts
+++ b/clients/client-inspector/protocols/Aws_json1_1.ts
@@ -4692,22 +4692,20 @@ const serializeAws_json1_1AddAttributesToFindingsRequest = (
   input: AddAttributesToFindingsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.attributes !== undefined) {
-    bodyParams["attributes"] = serializeAws_json1_1UserAttributeList(
-      input.attributes,
-      context
-    );
-  }
-  if (input.findingArns !== undefined) {
-    bodyParams[
-      "findingArns"
-    ] = serializeAws_json1_1AddRemoveAttributesFindingArnList(
-      input.findingArns,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.attributes !== undefined && {
+      attributes: serializeAws_json1_1UserAttributeList(
+        input.attributes,
+        context
+      )
+    }),
+    ...(input.findingArns !== undefined && {
+      findingArns: serializeAws_json1_1AddRemoveAttributesFindingArnList(
+        input.findingArns,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1AddRemoveAttributesFindingArnList = (
@@ -4721,20 +4719,20 @@ const serializeAws_json1_1AgentFilter = (
   input: AgentFilter,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.agentHealthCodes !== undefined) {
-    bodyParams["agentHealthCodes"] = serializeAws_json1_1AgentHealthCodeList(
-      input.agentHealthCodes,
-      context
-    );
-  }
-  if (input.agentHealths !== undefined) {
-    bodyParams["agentHealths"] = serializeAws_json1_1AgentHealthList(
-      input.agentHealths,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.agentHealthCodes !== undefined && {
+      agentHealthCodes: serializeAws_json1_1AgentHealthCodeList(
+        input.agentHealthCodes,
+        context
+      )
+    }),
+    ...(input.agentHealths !== undefined && {
+      agentHealths: serializeAws_json1_1AgentHealthList(
+        input.agentHealths,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1AgentHealthCodeList = (
@@ -4762,49 +4760,42 @@ const serializeAws_json1_1AssessmentRunFilter = (
   input: AssessmentRunFilter,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.completionTimeRange !== undefined) {
-    bodyParams["completionTimeRange"] = serializeAws_json1_1TimestampRange(
-      input.completionTimeRange,
-      context
-    );
-  }
-  if (input.durationRange !== undefined) {
-    bodyParams["durationRange"] = serializeAws_json1_1DurationRange(
-      input.durationRange,
-      context
-    );
-  }
-  if (input.namePattern !== undefined) {
-    bodyParams["namePattern"] = input.namePattern;
-  }
-  if (input.rulesPackageArns !== undefined) {
-    bodyParams[
-      "rulesPackageArns"
-    ] = serializeAws_json1_1FilterRulesPackageArnList(
-      input.rulesPackageArns,
-      context
-    );
-  }
-  if (input.startTimeRange !== undefined) {
-    bodyParams["startTimeRange"] = serializeAws_json1_1TimestampRange(
-      input.startTimeRange,
-      context
-    );
-  }
-  if (input.stateChangeTimeRange !== undefined) {
-    bodyParams["stateChangeTimeRange"] = serializeAws_json1_1TimestampRange(
-      input.stateChangeTimeRange,
-      context
-    );
-  }
-  if (input.states !== undefined) {
-    bodyParams["states"] = serializeAws_json1_1AssessmentRunStateList(
-      input.states,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.completionTimeRange !== undefined && {
+      completionTimeRange: serializeAws_json1_1TimestampRange(
+        input.completionTimeRange,
+        context
+      )
+    }),
+    ...(input.durationRange !== undefined && {
+      durationRange: serializeAws_json1_1DurationRange(
+        input.durationRange,
+        context
+      )
+    }),
+    ...(input.namePattern !== undefined && { namePattern: input.namePattern }),
+    ...(input.rulesPackageArns !== undefined && {
+      rulesPackageArns: serializeAws_json1_1FilterRulesPackageArnList(
+        input.rulesPackageArns,
+        context
+      )
+    }),
+    ...(input.startTimeRange !== undefined && {
+      startTimeRange: serializeAws_json1_1TimestampRange(
+        input.startTimeRange,
+        context
+      )
+    }),
+    ...(input.stateChangeTimeRange !== undefined && {
+      stateChangeTimeRange: serializeAws_json1_1TimestampRange(
+        input.stateChangeTimeRange,
+        context
+      )
+    }),
+    ...(input.states !== undefined && {
+      states: serializeAws_json1_1AssessmentRunStateList(input.states, context)
+    })
+  };
 };
 
 const serializeAws_json1_1AssessmentRunStateList = (
@@ -4818,37 +4809,32 @@ const serializeAws_json1_1AssessmentTargetFilter = (
   input: AssessmentTargetFilter,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.assessmentTargetNamePattern !== undefined) {
-    bodyParams["assessmentTargetNamePattern"] =
-      input.assessmentTargetNamePattern;
-  }
-  return bodyParams;
+  return {
+    ...(input.assessmentTargetNamePattern !== undefined && {
+      assessmentTargetNamePattern: input.assessmentTargetNamePattern
+    })
+  };
 };
 
 const serializeAws_json1_1AssessmentTemplateFilter = (
   input: AssessmentTemplateFilter,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.durationRange !== undefined) {
-    bodyParams["durationRange"] = serializeAws_json1_1DurationRange(
-      input.durationRange,
-      context
-    );
-  }
-  if (input.namePattern !== undefined) {
-    bodyParams["namePattern"] = input.namePattern;
-  }
-  if (input.rulesPackageArns !== undefined) {
-    bodyParams[
-      "rulesPackageArns"
-    ] = serializeAws_json1_1FilterRulesPackageArnList(
-      input.rulesPackageArns,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.durationRange !== undefined && {
+      durationRange: serializeAws_json1_1DurationRange(
+        input.durationRange,
+        context
+      )
+    }),
+    ...(input.namePattern !== undefined && { namePattern: input.namePattern }),
+    ...(input.rulesPackageArns !== undefined && {
+      rulesPackageArns: serializeAws_json1_1FilterRulesPackageArnList(
+        input.rulesPackageArns,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1AssessmentTemplateRulesPackageArnList = (
@@ -4862,14 +4848,10 @@ const serializeAws_json1_1Attribute = (
   input: Attribute,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.key !== undefined) {
-    bodyParams["key"] = input.key;
-  }
-  if (input.value !== undefined) {
-    bodyParams["value"] = input.value;
-  }
-  return bodyParams;
+  return {
+    ...(input.key !== undefined && { key: input.key }),
+    ...(input.value !== undefined && { value: input.value })
+  };
 };
 
 const serializeAws_json1_1AttributeList = (
@@ -4904,232 +4886,212 @@ const serializeAws_json1_1CreateAssessmentTargetRequest = (
   input: CreateAssessmentTargetRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.assessmentTargetName !== undefined) {
-    bodyParams["assessmentTargetName"] = input.assessmentTargetName;
-  }
-  if (input.resourceGroupArn !== undefined) {
-    bodyParams["resourceGroupArn"] = input.resourceGroupArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.assessmentTargetName !== undefined && {
+      assessmentTargetName: input.assessmentTargetName
+    }),
+    ...(input.resourceGroupArn !== undefined && {
+      resourceGroupArn: input.resourceGroupArn
+    })
+  };
 };
 
 const serializeAws_json1_1CreateAssessmentTemplateRequest = (
   input: CreateAssessmentTemplateRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.assessmentTargetArn !== undefined) {
-    bodyParams["assessmentTargetArn"] = input.assessmentTargetArn;
-  }
-  if (input.assessmentTemplateName !== undefined) {
-    bodyParams["assessmentTemplateName"] = input.assessmentTemplateName;
-  }
-  if (input.durationInSeconds !== undefined) {
-    bodyParams["durationInSeconds"] = input.durationInSeconds;
-  }
-  if (input.rulesPackageArns !== undefined) {
-    bodyParams[
-      "rulesPackageArns"
-    ] = serializeAws_json1_1AssessmentTemplateRulesPackageArnList(
-      input.rulesPackageArns,
-      context
-    );
-  }
-  if (input.userAttributesForFindings !== undefined) {
-    bodyParams[
-      "userAttributesForFindings"
-    ] = serializeAws_json1_1UserAttributeList(
-      input.userAttributesForFindings,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.assessmentTargetArn !== undefined && {
+      assessmentTargetArn: input.assessmentTargetArn
+    }),
+    ...(input.assessmentTemplateName !== undefined && {
+      assessmentTemplateName: input.assessmentTemplateName
+    }),
+    ...(input.durationInSeconds !== undefined && {
+      durationInSeconds: input.durationInSeconds
+    }),
+    ...(input.rulesPackageArns !== undefined && {
+      rulesPackageArns: serializeAws_json1_1AssessmentTemplateRulesPackageArnList(
+        input.rulesPackageArns,
+        context
+      )
+    }),
+    ...(input.userAttributesForFindings !== undefined && {
+      userAttributesForFindings: serializeAws_json1_1UserAttributeList(
+        input.userAttributesForFindings,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1CreateExclusionsPreviewRequest = (
   input: CreateExclusionsPreviewRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.assessmentTemplateArn !== undefined) {
-    bodyParams["assessmentTemplateArn"] = input.assessmentTemplateArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.assessmentTemplateArn !== undefined && {
+      assessmentTemplateArn: input.assessmentTemplateArn
+    })
+  };
 };
 
 const serializeAws_json1_1CreateResourceGroupRequest = (
   input: CreateResourceGroupRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.resourceGroupTags !== undefined) {
-    bodyParams["resourceGroupTags"] = serializeAws_json1_1ResourceGroupTags(
-      input.resourceGroupTags,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.resourceGroupTags !== undefined && {
+      resourceGroupTags: serializeAws_json1_1ResourceGroupTags(
+        input.resourceGroupTags,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteAssessmentRunRequest = (
   input: DeleteAssessmentRunRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.assessmentRunArn !== undefined) {
-    bodyParams["assessmentRunArn"] = input.assessmentRunArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.assessmentRunArn !== undefined && {
+      assessmentRunArn: input.assessmentRunArn
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteAssessmentTargetRequest = (
   input: DeleteAssessmentTargetRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.assessmentTargetArn !== undefined) {
-    bodyParams["assessmentTargetArn"] = input.assessmentTargetArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.assessmentTargetArn !== undefined && {
+      assessmentTargetArn: input.assessmentTargetArn
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteAssessmentTemplateRequest = (
   input: DeleteAssessmentTemplateRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.assessmentTemplateArn !== undefined) {
-    bodyParams["assessmentTemplateArn"] = input.assessmentTemplateArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.assessmentTemplateArn !== undefined && {
+      assessmentTemplateArn: input.assessmentTemplateArn
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeAssessmentRunsRequest = (
   input: DescribeAssessmentRunsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.assessmentRunArns !== undefined) {
-    bodyParams["assessmentRunArns"] = serializeAws_json1_1BatchDescribeArnList(
-      input.assessmentRunArns,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.assessmentRunArns !== undefined && {
+      assessmentRunArns: serializeAws_json1_1BatchDescribeArnList(
+        input.assessmentRunArns,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeAssessmentTargetsRequest = (
   input: DescribeAssessmentTargetsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.assessmentTargetArns !== undefined) {
-    bodyParams[
-      "assessmentTargetArns"
-    ] = serializeAws_json1_1BatchDescribeArnList(
-      input.assessmentTargetArns,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.assessmentTargetArns !== undefined && {
+      assessmentTargetArns: serializeAws_json1_1BatchDescribeArnList(
+        input.assessmentTargetArns,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeAssessmentTemplatesRequest = (
   input: DescribeAssessmentTemplatesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.assessmentTemplateArns !== undefined) {
-    bodyParams[
-      "assessmentTemplateArns"
-    ] = serializeAws_json1_1BatchDescribeArnList(
-      input.assessmentTemplateArns,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.assessmentTemplateArns !== undefined && {
+      assessmentTemplateArns: serializeAws_json1_1BatchDescribeArnList(
+        input.assessmentTemplateArns,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeExclusionsRequest = (
   input: DescribeExclusionsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.exclusionArns !== undefined) {
-    bodyParams[
-      "exclusionArns"
-    ] = serializeAws_json1_1BatchDescribeExclusionsArnList(
-      input.exclusionArns,
-      context
-    );
-  }
-  if (input.locale !== undefined) {
-    bodyParams["locale"] = input.locale;
-  }
-  return bodyParams;
+  return {
+    ...(input.exclusionArns !== undefined && {
+      exclusionArns: serializeAws_json1_1BatchDescribeExclusionsArnList(
+        input.exclusionArns,
+        context
+      )
+    }),
+    ...(input.locale !== undefined && { locale: input.locale })
+  };
 };
 
 const serializeAws_json1_1DescribeFindingsRequest = (
   input: DescribeFindingsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.findingArns !== undefined) {
-    bodyParams["findingArns"] = serializeAws_json1_1BatchDescribeArnList(
-      input.findingArns,
-      context
-    );
-  }
-  if (input.locale !== undefined) {
-    bodyParams["locale"] = input.locale;
-  }
-  return bodyParams;
+  return {
+    ...(input.findingArns !== undefined && {
+      findingArns: serializeAws_json1_1BatchDescribeArnList(
+        input.findingArns,
+        context
+      )
+    }),
+    ...(input.locale !== undefined && { locale: input.locale })
+  };
 };
 
 const serializeAws_json1_1DescribeResourceGroupsRequest = (
   input: DescribeResourceGroupsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.resourceGroupArns !== undefined) {
-    bodyParams["resourceGroupArns"] = serializeAws_json1_1BatchDescribeArnList(
-      input.resourceGroupArns,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.resourceGroupArns !== undefined && {
+      resourceGroupArns: serializeAws_json1_1BatchDescribeArnList(
+        input.resourceGroupArns,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeRulesPackagesRequest = (
   input: DescribeRulesPackagesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.locale !== undefined) {
-    bodyParams["locale"] = input.locale;
-  }
-  if (input.rulesPackageArns !== undefined) {
-    bodyParams["rulesPackageArns"] = serializeAws_json1_1BatchDescribeArnList(
-      input.rulesPackageArns,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.locale !== undefined && { locale: input.locale }),
+    ...(input.rulesPackageArns !== undefined && {
+      rulesPackageArns: serializeAws_json1_1BatchDescribeArnList(
+        input.rulesPackageArns,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1DurationRange = (
   input: DurationRange,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.maxSeconds !== undefined) {
-    bodyParams["maxSeconds"] = input.maxSeconds;
-  }
-  if (input.minSeconds !== undefined) {
-    bodyParams["minSeconds"] = input.minSeconds;
-  }
-  return bodyParams;
+  return {
+    ...(input.maxSeconds !== undefined && { maxSeconds: input.maxSeconds }),
+    ...(input.minSeconds !== undefined && { minSeconds: input.minSeconds })
+  };
 };
 
 const serializeAws_json1_1FilterRulesPackageArnList = (
@@ -5143,266 +5105,200 @@ const serializeAws_json1_1FindingFilter = (
   input: FindingFilter,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.agentIds !== undefined) {
-    bodyParams["agentIds"] = serializeAws_json1_1AgentIdList(
-      input.agentIds,
-      context
-    );
-  }
-  if (input.attributes !== undefined) {
-    bodyParams["attributes"] = serializeAws_json1_1AttributeList(
-      input.attributes,
-      context
-    );
-  }
-  if (input.autoScalingGroups !== undefined) {
-    bodyParams["autoScalingGroups"] = serializeAws_json1_1AutoScalingGroupList(
-      input.autoScalingGroups,
-      context
-    );
-  }
-  if (input.creationTimeRange !== undefined) {
-    bodyParams["creationTimeRange"] = serializeAws_json1_1TimestampRange(
-      input.creationTimeRange,
-      context
-    );
-  }
-  if (input.ruleNames !== undefined) {
-    bodyParams["ruleNames"] = serializeAws_json1_1RuleNameList(
-      input.ruleNames,
-      context
-    );
-  }
-  if (input.rulesPackageArns !== undefined) {
-    bodyParams[
-      "rulesPackageArns"
-    ] = serializeAws_json1_1FilterRulesPackageArnList(
-      input.rulesPackageArns,
-      context
-    );
-  }
-  if (input.severities !== undefined) {
-    bodyParams["severities"] = serializeAws_json1_1SeverityList(
-      input.severities,
-      context
-    );
-  }
-  if (input.userAttributes !== undefined) {
-    bodyParams["userAttributes"] = serializeAws_json1_1AttributeList(
-      input.userAttributes,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.agentIds !== undefined && {
+      agentIds: serializeAws_json1_1AgentIdList(input.agentIds, context)
+    }),
+    ...(input.attributes !== undefined && {
+      attributes: serializeAws_json1_1AttributeList(input.attributes, context)
+    }),
+    ...(input.autoScalingGroups !== undefined && {
+      autoScalingGroups: serializeAws_json1_1AutoScalingGroupList(
+        input.autoScalingGroups,
+        context
+      )
+    }),
+    ...(input.creationTimeRange !== undefined && {
+      creationTimeRange: serializeAws_json1_1TimestampRange(
+        input.creationTimeRange,
+        context
+      )
+    }),
+    ...(input.ruleNames !== undefined && {
+      ruleNames: serializeAws_json1_1RuleNameList(input.ruleNames, context)
+    }),
+    ...(input.rulesPackageArns !== undefined && {
+      rulesPackageArns: serializeAws_json1_1FilterRulesPackageArnList(
+        input.rulesPackageArns,
+        context
+      )
+    }),
+    ...(input.severities !== undefined && {
+      severities: serializeAws_json1_1SeverityList(input.severities, context)
+    }),
+    ...(input.userAttributes !== undefined && {
+      userAttributes: serializeAws_json1_1AttributeList(
+        input.userAttributes,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1GetAssessmentReportRequest = (
   input: GetAssessmentReportRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.assessmentRunArn !== undefined) {
-    bodyParams["assessmentRunArn"] = input.assessmentRunArn;
-  }
-  if (input.reportFileFormat !== undefined) {
-    bodyParams["reportFileFormat"] = input.reportFileFormat;
-  }
-  if (input.reportType !== undefined) {
-    bodyParams["reportType"] = input.reportType;
-  }
-  return bodyParams;
+  return {
+    ...(input.assessmentRunArn !== undefined && {
+      assessmentRunArn: input.assessmentRunArn
+    }),
+    ...(input.reportFileFormat !== undefined && {
+      reportFileFormat: input.reportFileFormat
+    }),
+    ...(input.reportType !== undefined && { reportType: input.reportType })
+  };
 };
 
 const serializeAws_json1_1GetExclusionsPreviewRequest = (
   input: GetExclusionsPreviewRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.assessmentTemplateArn !== undefined) {
-    bodyParams["assessmentTemplateArn"] = input.assessmentTemplateArn;
-  }
-  if (input.locale !== undefined) {
-    bodyParams["locale"] = input.locale;
-  }
-  if (input.maxResults !== undefined) {
-    bodyParams["maxResults"] = input.maxResults;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  if (input.previewToken !== undefined) {
-    bodyParams["previewToken"] = input.previewToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.assessmentTemplateArn !== undefined && {
+      assessmentTemplateArn: input.assessmentTemplateArn
+    }),
+    ...(input.locale !== undefined && { locale: input.locale }),
+    ...(input.maxResults !== undefined && { maxResults: input.maxResults }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken }),
+    ...(input.previewToken !== undefined && {
+      previewToken: input.previewToken
+    })
+  };
 };
 
 const serializeAws_json1_1GetTelemetryMetadataRequest = (
   input: GetTelemetryMetadataRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.assessmentRunArn !== undefined) {
-    bodyParams["assessmentRunArn"] = input.assessmentRunArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.assessmentRunArn !== undefined && {
+      assessmentRunArn: input.assessmentRunArn
+    })
+  };
 };
 
 const serializeAws_json1_1ListAssessmentRunAgentsRequest = (
   input: ListAssessmentRunAgentsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.assessmentRunArn !== undefined) {
-    bodyParams["assessmentRunArn"] = input.assessmentRunArn;
-  }
-  if (input.filter !== undefined) {
-    bodyParams["filter"] = serializeAws_json1_1AgentFilter(
-      input.filter,
-      context
-    );
-  }
-  if (input.maxResults !== undefined) {
-    bodyParams["maxResults"] = input.maxResults;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.assessmentRunArn !== undefined && {
+      assessmentRunArn: input.assessmentRunArn
+    }),
+    ...(input.filter !== undefined && {
+      filter: serializeAws_json1_1AgentFilter(input.filter, context)
+    }),
+    ...(input.maxResults !== undefined && { maxResults: input.maxResults }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken })
+  };
 };
 
 const serializeAws_json1_1ListAssessmentRunsRequest = (
   input: ListAssessmentRunsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.assessmentTemplateArns !== undefined) {
-    bodyParams[
-      "assessmentTemplateArns"
-    ] = serializeAws_json1_1ListParentArnList(
-      input.assessmentTemplateArns,
-      context
-    );
-  }
-  if (input.filter !== undefined) {
-    bodyParams["filter"] = serializeAws_json1_1AssessmentRunFilter(
-      input.filter,
-      context
-    );
-  }
-  if (input.maxResults !== undefined) {
-    bodyParams["maxResults"] = input.maxResults;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.assessmentTemplateArns !== undefined && {
+      assessmentTemplateArns: serializeAws_json1_1ListParentArnList(
+        input.assessmentTemplateArns,
+        context
+      )
+    }),
+    ...(input.filter !== undefined && {
+      filter: serializeAws_json1_1AssessmentRunFilter(input.filter, context)
+    }),
+    ...(input.maxResults !== undefined && { maxResults: input.maxResults }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken })
+  };
 };
 
 const serializeAws_json1_1ListAssessmentTargetsRequest = (
   input: ListAssessmentTargetsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.filter !== undefined) {
-    bodyParams["filter"] = serializeAws_json1_1AssessmentTargetFilter(
-      input.filter,
-      context
-    );
-  }
-  if (input.maxResults !== undefined) {
-    bodyParams["maxResults"] = input.maxResults;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.filter !== undefined && {
+      filter: serializeAws_json1_1AssessmentTargetFilter(input.filter, context)
+    }),
+    ...(input.maxResults !== undefined && { maxResults: input.maxResults }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken })
+  };
 };
 
 const serializeAws_json1_1ListAssessmentTemplatesRequest = (
   input: ListAssessmentTemplatesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.assessmentTargetArns !== undefined) {
-    bodyParams["assessmentTargetArns"] = serializeAws_json1_1ListParentArnList(
-      input.assessmentTargetArns,
-      context
-    );
-  }
-  if (input.filter !== undefined) {
-    bodyParams["filter"] = serializeAws_json1_1AssessmentTemplateFilter(
-      input.filter,
-      context
-    );
-  }
-  if (input.maxResults !== undefined) {
-    bodyParams["maxResults"] = input.maxResults;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.assessmentTargetArns !== undefined && {
+      assessmentTargetArns: serializeAws_json1_1ListParentArnList(
+        input.assessmentTargetArns,
+        context
+      )
+    }),
+    ...(input.filter !== undefined && {
+      filter: serializeAws_json1_1AssessmentTemplateFilter(
+        input.filter,
+        context
+      )
+    }),
+    ...(input.maxResults !== undefined && { maxResults: input.maxResults }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken })
+  };
 };
 
 const serializeAws_json1_1ListEventSubscriptionsRequest = (
   input: ListEventSubscriptionsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.maxResults !== undefined) {
-    bodyParams["maxResults"] = input.maxResults;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  if (input.resourceArn !== undefined) {
-    bodyParams["resourceArn"] = input.resourceArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.maxResults !== undefined && { maxResults: input.maxResults }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken }),
+    ...(input.resourceArn !== undefined && { resourceArn: input.resourceArn })
+  };
 };
 
 const serializeAws_json1_1ListExclusionsRequest = (
   input: ListExclusionsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.assessmentRunArn !== undefined) {
-    bodyParams["assessmentRunArn"] = input.assessmentRunArn;
-  }
-  if (input.maxResults !== undefined) {
-    bodyParams["maxResults"] = input.maxResults;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.assessmentRunArn !== undefined && {
+      assessmentRunArn: input.assessmentRunArn
+    }),
+    ...(input.maxResults !== undefined && { maxResults: input.maxResults }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken })
+  };
 };
 
 const serializeAws_json1_1ListFindingsRequest = (
   input: ListFindingsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.assessmentRunArns !== undefined) {
-    bodyParams["assessmentRunArns"] = serializeAws_json1_1ListParentArnList(
-      input.assessmentRunArns,
-      context
-    );
-  }
-  if (input.filter !== undefined) {
-    bodyParams["filter"] = serializeAws_json1_1FindingFilter(
-      input.filter,
-      context
-    );
-  }
-  if (input.maxResults !== undefined) {
-    bodyParams["maxResults"] = input.maxResults;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.assessmentRunArns !== undefined && {
+      assessmentRunArns: serializeAws_json1_1ListParentArnList(
+        input.assessmentRunArns,
+        context
+      )
+    }),
+    ...(input.filter !== undefined && {
+      filter: serializeAws_json1_1FindingFilter(input.filter, context)
+    }),
+    ...(input.maxResults !== undefined && { maxResults: input.maxResults }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken })
+  };
 };
 
 const serializeAws_json1_1ListParentArnList = (
@@ -5416,89 +5312,71 @@ const serializeAws_json1_1ListRulesPackagesRequest = (
   input: ListRulesPackagesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.maxResults !== undefined) {
-    bodyParams["maxResults"] = input.maxResults;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.maxResults !== undefined && { maxResults: input.maxResults }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken })
+  };
 };
 
 const serializeAws_json1_1ListTagsForResourceRequest = (
   input: ListTagsForResourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.resourceArn !== undefined) {
-    bodyParams["resourceArn"] = input.resourceArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.resourceArn !== undefined && { resourceArn: input.resourceArn })
+  };
 };
 
 const serializeAws_json1_1PreviewAgentsRequest = (
   input: PreviewAgentsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.maxResults !== undefined) {
-    bodyParams["maxResults"] = input.maxResults;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  if (input.previewAgentsArn !== undefined) {
-    bodyParams["previewAgentsArn"] = input.previewAgentsArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.maxResults !== undefined && { maxResults: input.maxResults }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken }),
+    ...(input.previewAgentsArn !== undefined && {
+      previewAgentsArn: input.previewAgentsArn
+    })
+  };
 };
 
 const serializeAws_json1_1RegisterCrossAccountAccessRoleRequest = (
   input: RegisterCrossAccountAccessRoleRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.roleArn !== undefined) {
-    bodyParams["roleArn"] = input.roleArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.roleArn !== undefined && { roleArn: input.roleArn })
+  };
 };
 
 const serializeAws_json1_1RemoveAttributesFromFindingsRequest = (
   input: RemoveAttributesFromFindingsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.attributeKeys !== undefined) {
-    bodyParams["attributeKeys"] = serializeAws_json1_1UserAttributeKeyList(
-      input.attributeKeys,
-      context
-    );
-  }
-  if (input.findingArns !== undefined) {
-    bodyParams[
-      "findingArns"
-    ] = serializeAws_json1_1AddRemoveAttributesFindingArnList(
-      input.findingArns,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.attributeKeys !== undefined && {
+      attributeKeys: serializeAws_json1_1UserAttributeKeyList(
+        input.attributeKeys,
+        context
+      )
+    }),
+    ...(input.findingArns !== undefined && {
+      findingArns: serializeAws_json1_1AddRemoveAttributesFindingArnList(
+        input.findingArns,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1ResourceGroupTag = (
   input: ResourceGroupTag,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.key !== undefined) {
-    bodyParams["key"] = input.key;
-  }
-  if (input.value !== undefined) {
-    bodyParams["value"] = input.value;
-  }
-  return bodyParams;
+  return {
+    ...(input.key !== undefined && { key: input.key }),
+    ...(input.value !== undefined && { value: input.value })
+  };
 };
 
 const serializeAws_json1_1ResourceGroupTags = (
@@ -5521,14 +5399,12 @@ const serializeAws_json1_1SetTagsForResourceRequest = (
   input: SetTagsForResourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.resourceArn !== undefined) {
-    bodyParams["resourceArn"] = input.resourceArn;
-  }
-  if (input.tags !== undefined) {
-    bodyParams["tags"] = serializeAws_json1_1TagList(input.tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.resourceArn !== undefined && { resourceArn: input.resourceArn }),
+    ...(input.tags !== undefined && {
+      tags: serializeAws_json1_1TagList(input.tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1SeverityList = (
@@ -5542,56 +5418,44 @@ const serializeAws_json1_1StartAssessmentRunRequest = (
   input: StartAssessmentRunRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.assessmentRunName !== undefined) {
-    bodyParams["assessmentRunName"] = input.assessmentRunName;
-  }
-  if (input.assessmentTemplateArn !== undefined) {
-    bodyParams["assessmentTemplateArn"] = input.assessmentTemplateArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.assessmentRunName !== undefined && {
+      assessmentRunName: input.assessmentRunName
+    }),
+    ...(input.assessmentTemplateArn !== undefined && {
+      assessmentTemplateArn: input.assessmentTemplateArn
+    })
+  };
 };
 
 const serializeAws_json1_1StopAssessmentRunRequest = (
   input: StopAssessmentRunRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.assessmentRunArn !== undefined) {
-    bodyParams["assessmentRunArn"] = input.assessmentRunArn;
-  }
-  if (input.stopAction !== undefined) {
-    bodyParams["stopAction"] = input.stopAction;
-  }
-  return bodyParams;
+  return {
+    ...(input.assessmentRunArn !== undefined && {
+      assessmentRunArn: input.assessmentRunArn
+    }),
+    ...(input.stopAction !== undefined && { stopAction: input.stopAction })
+  };
 };
 
 const serializeAws_json1_1SubscribeToEventRequest = (
   input: SubscribeToEventRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.event !== undefined) {
-    bodyParams["event"] = input.event;
-  }
-  if (input.resourceArn !== undefined) {
-    bodyParams["resourceArn"] = input.resourceArn;
-  }
-  if (input.topicArn !== undefined) {
-    bodyParams["topicArn"] = input.topicArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.event !== undefined && { event: input.event }),
+    ...(input.resourceArn !== undefined && { resourceArn: input.resourceArn }),
+    ...(input.topicArn !== undefined && { topicArn: input.topicArn })
+  };
 };
 
 const serializeAws_json1_1Tag = (input: Tag, context: __SerdeContext): any => {
-  const bodyParams: any = {};
-  if (input.key !== undefined) {
-    bodyParams["key"] = input.key;
-  }
-  if (input.value !== undefined) {
-    bodyParams["value"] = input.value;
-  }
-  return bodyParams;
+  return {
+    ...(input.key !== undefined && { key: input.key }),
+    ...(input.value !== undefined && { value: input.value })
+  };
 };
 
 const serializeAws_json1_1TagList = (
@@ -5605,48 +5469,42 @@ const serializeAws_json1_1TimestampRange = (
   input: TimestampRange,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.beginDate !== undefined) {
-    bodyParams["beginDate"] = Math.round(input.beginDate.getTime() / 1000);
-  }
-  if (input.endDate !== undefined) {
-    bodyParams["endDate"] = Math.round(input.endDate.getTime() / 1000);
-  }
-  return bodyParams;
+  return {
+    ...(input.beginDate !== undefined && {
+      beginDate: Math.round(input.beginDate.getTime() / 1000)
+    }),
+    ...(input.endDate !== undefined && {
+      endDate: Math.round(input.endDate.getTime() / 1000)
+    })
+  };
 };
 
 const serializeAws_json1_1UnsubscribeFromEventRequest = (
   input: UnsubscribeFromEventRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.event !== undefined) {
-    bodyParams["event"] = input.event;
-  }
-  if (input.resourceArn !== undefined) {
-    bodyParams["resourceArn"] = input.resourceArn;
-  }
-  if (input.topicArn !== undefined) {
-    bodyParams["topicArn"] = input.topicArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.event !== undefined && { event: input.event }),
+    ...(input.resourceArn !== undefined && { resourceArn: input.resourceArn }),
+    ...(input.topicArn !== undefined && { topicArn: input.topicArn })
+  };
 };
 
 const serializeAws_json1_1UpdateAssessmentTargetRequest = (
   input: UpdateAssessmentTargetRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.assessmentTargetArn !== undefined) {
-    bodyParams["assessmentTargetArn"] = input.assessmentTargetArn;
-  }
-  if (input.assessmentTargetName !== undefined) {
-    bodyParams["assessmentTargetName"] = input.assessmentTargetName;
-  }
-  if (input.resourceGroupArn !== undefined) {
-    bodyParams["resourceGroupArn"] = input.resourceGroupArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.assessmentTargetArn !== undefined && {
+      assessmentTargetArn: input.assessmentTargetArn
+    }),
+    ...(input.assessmentTargetName !== undefined && {
+      assessmentTargetName: input.assessmentTargetName
+    }),
+    ...(input.resourceGroupArn !== undefined && {
+      resourceGroupArn: input.resourceGroupArn
+    })
+  };
 };
 
 const serializeAws_json1_1UserAttributeKeyList = (
diff --git a/clients/client-iot-1click-devices-service/protocols/Aws_restJson1_1.ts b/clients/client-iot-1click-devices-service/protocols/Aws_restJson1_1.ts
index 5005e889bd2e..15aaddff55f9 100644
--- a/clients/client-iot-1click-devices-service/protocols/Aws_restJson1_1.ts
+++ b/clients/client-iot-1click-devices-service/protocols/Aws_restJson1_1.ts
@@ -1878,14 +1878,10 @@ const serializeAws_restJson1_1DeviceMethod = (
   input: DeviceMethod,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DeviceType !== undefined) {
-    bodyParams["deviceType"] = input.DeviceType;
-  }
-  if (input.MethodName !== undefined) {
-    bodyParams["methodName"] = input.MethodName;
-  }
-  return bodyParams;
+  return {
+    ...(input.DeviceType !== undefined && { deviceType: input.DeviceType }),
+    ...(input.MethodName !== undefined && { methodName: input.MethodName })
+  };
 };
 
 const serializeAws_restJson1_1__mapOf__string = (
diff --git a/clients/client-iot-1click-projects/protocols/Aws_restJson1_1.ts b/clients/client-iot-1click-projects/protocols/Aws_restJson1_1.ts
index 2e4e9f41f298..3ef00ab36956 100644
--- a/clients/client-iot-1click-projects/protocols/Aws_restJson1_1.ts
+++ b/clients/client-iot-1click-projects/protocols/Aws_restJson1_1.ts
@@ -2322,19 +2322,15 @@ const serializeAws_restJson1_1DeviceTemplate = (
   input: DeviceTemplate,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.callbackOverrides !== undefined) {
-    bodyParams[
-      "callbackOverrides"
-    ] = serializeAws_restJson1_1DeviceCallbackOverrideMap(
-      input.callbackOverrides,
-      context
-    );
-  }
-  if (input.deviceType !== undefined) {
-    bodyParams["deviceType"] = input.deviceType;
-  }
-  return bodyParams;
+  return {
+    ...(input.callbackOverrides !== undefined && {
+      callbackOverrides: serializeAws_restJson1_1DeviceCallbackOverrideMap(
+        input.callbackOverrides,
+        context
+      )
+    }),
+    ...(input.deviceType !== undefined && { deviceType: input.deviceType })
+  };
 };
 
 const serializeAws_restJson1_1DeviceTemplateMap = (
@@ -2361,22 +2357,20 @@ const serializeAws_restJson1_1PlacementTemplate = (
   input: PlacementTemplate,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.defaultAttributes !== undefined) {
-    bodyParams[
-      "defaultAttributes"
-    ] = serializeAws_restJson1_1DefaultPlacementAttributeMap(
-      input.defaultAttributes,
-      context
-    );
-  }
-  if (input.deviceTemplates !== undefined) {
-    bodyParams["deviceTemplates"] = serializeAws_restJson1_1DeviceTemplateMap(
-      input.deviceTemplates,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.defaultAttributes !== undefined && {
+      defaultAttributes: serializeAws_restJson1_1DefaultPlacementAttributeMap(
+        input.defaultAttributes,
+        context
+      )
+    }),
+    ...(input.deviceTemplates !== undefined && {
+      deviceTemplates: serializeAws_restJson1_1DeviceTemplateMap(
+        input.deviceTemplates,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1TagMap = (
diff --git a/clients/client-iot-events-data/protocols/Aws_restJson1_1.ts b/clients/client-iot-events-data/protocols/Aws_restJson1_1.ts
index bd3d7a530513..c14f6a38ca92 100644
--- a/clients/client-iot-events-data/protocols/Aws_restJson1_1.ts
+++ b/clients/client-iot-events-data/protocols/Aws_restJson1_1.ts
@@ -703,40 +703,31 @@ const serializeAws_restJson1_1DetectorStateDefinition = (
   input: DetectorStateDefinition,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.stateName !== undefined) {
-    bodyParams["stateName"] = input.stateName;
-  }
-  if (input.timers !== undefined) {
-    bodyParams["timers"] = serializeAws_restJson1_1TimerDefinitions(
-      input.timers,
-      context
-    );
-  }
-  if (input.variables !== undefined) {
-    bodyParams["variables"] = serializeAws_restJson1_1VariableDefinitions(
-      input.variables,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.stateName !== undefined && { stateName: input.stateName }),
+    ...(input.timers !== undefined && {
+      timers: serializeAws_restJson1_1TimerDefinitions(input.timers, context)
+    }),
+    ...(input.variables !== undefined && {
+      variables: serializeAws_restJson1_1VariableDefinitions(
+        input.variables,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1Message = (
   input: Message,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.inputName !== undefined) {
-    bodyParams["inputName"] = input.inputName;
-  }
-  if (input.messageId !== undefined) {
-    bodyParams["messageId"] = input.messageId;
-  }
-  if (input.payload !== undefined) {
-    bodyParams["payload"] = context.base64Encoder(input.payload);
-  }
-  return bodyParams;
+  return {
+    ...(input.inputName !== undefined && { inputName: input.inputName }),
+    ...(input.messageId !== undefined && { messageId: input.messageId }),
+    ...(input.payload !== undefined && {
+      payload: context.base64Encoder(input.payload)
+    })
+  };
 };
 
 const serializeAws_restJson1_1Messages = (
@@ -750,14 +741,10 @@ const serializeAws_restJson1_1TimerDefinition = (
   input: TimerDefinition,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  if (input.seconds !== undefined) {
-    bodyParams["seconds"] = input.seconds;
-  }
-  return bodyParams;
+  return {
+    ...(input.name !== undefined && { name: input.name }),
+    ...(input.seconds !== undefined && { seconds: input.seconds })
+  };
 };
 
 const serializeAws_restJson1_1TimerDefinitions = (
@@ -773,23 +760,19 @@ const serializeAws_restJson1_1UpdateDetectorRequest = (
   input: UpdateDetectorRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.detectorModelName !== undefined) {
-    bodyParams["detectorModelName"] = input.detectorModelName;
-  }
-  if (input.keyValue !== undefined) {
-    bodyParams["keyValue"] = input.keyValue;
-  }
-  if (input.messageId !== undefined) {
-    bodyParams["messageId"] = input.messageId;
-  }
-  if (input.state !== undefined) {
-    bodyParams["state"] = serializeAws_restJson1_1DetectorStateDefinition(
-      input.state,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.detectorModelName !== undefined && {
+      detectorModelName: input.detectorModelName
+    }),
+    ...(input.keyValue !== undefined && { keyValue: input.keyValue }),
+    ...(input.messageId !== undefined && { messageId: input.messageId }),
+    ...(input.state !== undefined && {
+      state: serializeAws_restJson1_1DetectorStateDefinition(
+        input.state,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1UpdateDetectorRequests = (
@@ -805,14 +788,10 @@ const serializeAws_restJson1_1VariableDefinition = (
   input: VariableDefinition,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  if (input.value !== undefined) {
-    bodyParams["value"] = input.value;
-  }
-  return bodyParams;
+  return {
+    ...(input.name !== undefined && { name: input.name }),
+    ...(input.value !== undefined && { value: input.value })
+  };
 };
 
 const serializeAws_restJson1_1VariableDefinitions = (
diff --git a/clients/client-iot-events/protocols/Aws_restJson1_1.ts b/clients/client-iot-events/protocols/Aws_restJson1_1.ts
index 600d983fa1c5..705ca7c0bce0 100644
--- a/clients/client-iot-events/protocols/Aws_restJson1_1.ts
+++ b/clients/client-iot-events/protocols/Aws_restJson1_1.ts
@@ -2638,67 +2638,53 @@ const serializeAws_restJson1_1Action = (
   input: Action,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.clearTimer !== undefined) {
-    bodyParams["clearTimer"] = serializeAws_restJson1_1ClearTimerAction(
-      input.clearTimer,
-      context
-    );
-  }
-  if (input.firehose !== undefined) {
-    bodyParams["firehose"] = serializeAws_restJson1_1FirehoseAction(
-      input.firehose,
-      context
-    );
-  }
-  if (input.iotEvents !== undefined) {
-    bodyParams["iotEvents"] = serializeAws_restJson1_1IotEventsAction(
-      input.iotEvents,
-      context
-    );
-  }
-  if (input.iotTopicPublish !== undefined) {
-    bodyParams[
-      "iotTopicPublish"
-    ] = serializeAws_restJson1_1IotTopicPublishAction(
-      input.iotTopicPublish,
-      context
-    );
-  }
-  if (input.lambda !== undefined) {
-    bodyParams["lambda"] = serializeAws_restJson1_1LambdaAction(
-      input.lambda,
-      context
-    );
-  }
-  if (input.resetTimer !== undefined) {
-    bodyParams["resetTimer"] = serializeAws_restJson1_1ResetTimerAction(
-      input.resetTimer,
-      context
-    );
-  }
-  if (input.setTimer !== undefined) {
-    bodyParams["setTimer"] = serializeAws_restJson1_1SetTimerAction(
-      input.setTimer,
-      context
-    );
-  }
-  if (input.setVariable !== undefined) {
-    bodyParams["setVariable"] = serializeAws_restJson1_1SetVariableAction(
-      input.setVariable,
-      context
-    );
-  }
-  if (input.sns !== undefined) {
-    bodyParams["sns"] = serializeAws_restJson1_1SNSTopicPublishAction(
-      input.sns,
-      context
-    );
-  }
-  if (input.sqs !== undefined) {
-    bodyParams["sqs"] = serializeAws_restJson1_1SqsAction(input.sqs, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.clearTimer !== undefined && {
+      clearTimer: serializeAws_restJson1_1ClearTimerAction(
+        input.clearTimer,
+        context
+      )
+    }),
+    ...(input.firehose !== undefined && {
+      firehose: serializeAws_restJson1_1FirehoseAction(input.firehose, context)
+    }),
+    ...(input.iotEvents !== undefined && {
+      iotEvents: serializeAws_restJson1_1IotEventsAction(
+        input.iotEvents,
+        context
+      )
+    }),
+    ...(input.iotTopicPublish !== undefined && {
+      iotTopicPublish: serializeAws_restJson1_1IotTopicPublishAction(
+        input.iotTopicPublish,
+        context
+      )
+    }),
+    ...(input.lambda !== undefined && {
+      lambda: serializeAws_restJson1_1LambdaAction(input.lambda, context)
+    }),
+    ...(input.resetTimer !== undefined && {
+      resetTimer: serializeAws_restJson1_1ResetTimerAction(
+        input.resetTimer,
+        context
+      )
+    }),
+    ...(input.setTimer !== undefined && {
+      setTimer: serializeAws_restJson1_1SetTimerAction(input.setTimer, context)
+    }),
+    ...(input.setVariable !== undefined && {
+      setVariable: serializeAws_restJson1_1SetVariableAction(
+        input.setVariable,
+        context
+      )
+    }),
+    ...(input.sns !== undefined && {
+      sns: serializeAws_restJson1_1SNSTopicPublishAction(input.sns, context)
+    }),
+    ...(input.sqs !== undefined && {
+      sqs: serializeAws_restJson1_1SqsAction(input.sqs, context)
+    })
+  };
 };
 
 const serializeAws_restJson1_1Actions = (
@@ -2712,11 +2698,9 @@ const serializeAws_restJson1_1Attribute = (
   input: Attribute,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.jsonPath !== undefined) {
-    bodyParams["jsonPath"] = input.jsonPath;
-  }
-  return bodyParams;
+  return {
+    ...(input.jsonPath !== undefined && { jsonPath: input.jsonPath })
+  };
 };
 
 const serializeAws_restJson1_1Attributes = (
@@ -2730,25 +2714,21 @@ const serializeAws_restJson1_1ClearTimerAction = (
   input: ClearTimerAction,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.timerName !== undefined) {
-    bodyParams["timerName"] = input.timerName;
-  }
-  return bodyParams;
+  return {
+    ...(input.timerName !== undefined && { timerName: input.timerName })
+  };
 };
 
 const serializeAws_restJson1_1DetectorDebugOption = (
   input: DetectorDebugOption,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.detectorModelName !== undefined) {
-    bodyParams["detectorModelName"] = input.detectorModelName;
-  }
-  if (input.keyValue !== undefined) {
-    bodyParams["keyValue"] = input.keyValue;
-  }
-  return bodyParams;
+  return {
+    ...(input.detectorModelName !== undefined && {
+      detectorModelName: input.detectorModelName
+    }),
+    ...(input.keyValue !== undefined && { keyValue: input.keyValue })
+  };
 };
 
 const serializeAws_restJson1_1DetectorDebugOptions = (
@@ -2764,37 +2744,27 @@ const serializeAws_restJson1_1DetectorModelDefinition = (
   input: DetectorModelDefinition,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.initialStateName !== undefined) {
-    bodyParams["initialStateName"] = input.initialStateName;
-  }
-  if (input.states !== undefined) {
-    bodyParams["states"] = serializeAws_restJson1_1States(
-      input.states,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.initialStateName !== undefined && {
+      initialStateName: input.initialStateName
+    }),
+    ...(input.states !== undefined && {
+      states: serializeAws_restJson1_1States(input.states, context)
+    })
+  };
 };
 
 const serializeAws_restJson1_1Event = (
   input: Event,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.actions !== undefined) {
-    bodyParams["actions"] = serializeAws_restJson1_1Actions(
-      input.actions,
-      context
-    );
-  }
-  if (input.condition !== undefined) {
-    bodyParams["condition"] = input.condition;
-  }
-  if (input.eventName !== undefined) {
-    bodyParams["eventName"] = input.eventName;
-  }
-  return bodyParams;
+  return {
+    ...(input.actions !== undefined && {
+      actions: serializeAws_restJson1_1Actions(input.actions, context)
+    }),
+    ...(input.condition !== undefined && { condition: input.condition }),
+    ...(input.eventName !== undefined && { eventName: input.eventName })
+  };
 };
 
 const serializeAws_restJson1_1Events = (
@@ -2808,227 +2778,174 @@ const serializeAws_restJson1_1FirehoseAction = (
   input: FirehoseAction,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.deliveryStreamName !== undefined) {
-    bodyParams["deliveryStreamName"] = input.deliveryStreamName;
-  }
-  if (input.separator !== undefined) {
-    bodyParams["separator"] = input.separator;
-  }
-  return bodyParams;
+  return {
+    ...(input.deliveryStreamName !== undefined && {
+      deliveryStreamName: input.deliveryStreamName
+    }),
+    ...(input.separator !== undefined && { separator: input.separator })
+  };
 };
 
 const serializeAws_restJson1_1InputDefinition = (
   input: InputDefinition,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.attributes !== undefined) {
-    bodyParams["attributes"] = serializeAws_restJson1_1Attributes(
-      input.attributes,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.attributes !== undefined && {
+      attributes: serializeAws_restJson1_1Attributes(input.attributes, context)
+    })
+  };
 };
 
 const serializeAws_restJson1_1IotEventsAction = (
   input: IotEventsAction,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.inputName !== undefined) {
-    bodyParams["inputName"] = input.inputName;
-  }
-  return bodyParams;
+  return {
+    ...(input.inputName !== undefined && { inputName: input.inputName })
+  };
 };
 
 const serializeAws_restJson1_1IotTopicPublishAction = (
   input: IotTopicPublishAction,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.mqttTopic !== undefined) {
-    bodyParams["mqttTopic"] = input.mqttTopic;
-  }
-  return bodyParams;
+  return {
+    ...(input.mqttTopic !== undefined && { mqttTopic: input.mqttTopic })
+  };
 };
 
 const serializeAws_restJson1_1LambdaAction = (
   input: LambdaAction,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.functionArn !== undefined) {
-    bodyParams["functionArn"] = input.functionArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.functionArn !== undefined && { functionArn: input.functionArn })
+  };
 };
 
 const serializeAws_restJson1_1LoggingOptions = (
   input: LoggingOptions,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.detectorDebugOptions !== undefined) {
-    bodyParams[
-      "detectorDebugOptions"
-    ] = serializeAws_restJson1_1DetectorDebugOptions(
-      input.detectorDebugOptions,
-      context
-    );
-  }
-  if (input.enabled !== undefined) {
-    bodyParams["enabled"] = input.enabled;
-  }
-  if (input.level !== undefined) {
-    bodyParams["level"] = input.level;
-  }
-  if (input.roleArn !== undefined) {
-    bodyParams["roleArn"] = input.roleArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.detectorDebugOptions !== undefined && {
+      detectorDebugOptions: serializeAws_restJson1_1DetectorDebugOptions(
+        input.detectorDebugOptions,
+        context
+      )
+    }),
+    ...(input.enabled !== undefined && { enabled: input.enabled }),
+    ...(input.level !== undefined && { level: input.level }),
+    ...(input.roleArn !== undefined && { roleArn: input.roleArn })
+  };
 };
 
 const serializeAws_restJson1_1OnEnterLifecycle = (
   input: OnEnterLifecycle,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.events !== undefined) {
-    bodyParams["events"] = serializeAws_restJson1_1Events(
-      input.events,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.events !== undefined && {
+      events: serializeAws_restJson1_1Events(input.events, context)
+    })
+  };
 };
 
 const serializeAws_restJson1_1OnExitLifecycle = (
   input: OnExitLifecycle,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.events !== undefined) {
-    bodyParams["events"] = serializeAws_restJson1_1Events(
-      input.events,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.events !== undefined && {
+      events: serializeAws_restJson1_1Events(input.events, context)
+    })
+  };
 };
 
 const serializeAws_restJson1_1OnInputLifecycle = (
   input: OnInputLifecycle,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.events !== undefined) {
-    bodyParams["events"] = serializeAws_restJson1_1Events(
-      input.events,
-      context
-    );
-  }
-  if (input.transitionEvents !== undefined) {
-    bodyParams["transitionEvents"] = serializeAws_restJson1_1TransitionEvents(
-      input.transitionEvents,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.events !== undefined && {
+      events: serializeAws_restJson1_1Events(input.events, context)
+    }),
+    ...(input.transitionEvents !== undefined && {
+      transitionEvents: serializeAws_restJson1_1TransitionEvents(
+        input.transitionEvents,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1ResetTimerAction = (
   input: ResetTimerAction,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.timerName !== undefined) {
-    bodyParams["timerName"] = input.timerName;
-  }
-  return bodyParams;
+  return {
+    ...(input.timerName !== undefined && { timerName: input.timerName })
+  };
 };
 
 const serializeAws_restJson1_1SNSTopicPublishAction = (
   input: SNSTopicPublishAction,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.targetArn !== undefined) {
-    bodyParams["targetArn"] = input.targetArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.targetArn !== undefined && { targetArn: input.targetArn })
+  };
 };
 
 const serializeAws_restJson1_1SetTimerAction = (
   input: SetTimerAction,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.seconds !== undefined) {
-    bodyParams["seconds"] = input.seconds;
-  }
-  if (input.timerName !== undefined) {
-    bodyParams["timerName"] = input.timerName;
-  }
-  return bodyParams;
+  return {
+    ...(input.seconds !== undefined && { seconds: input.seconds }),
+    ...(input.timerName !== undefined && { timerName: input.timerName })
+  };
 };
 
 const serializeAws_restJson1_1SetVariableAction = (
   input: SetVariableAction,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.value !== undefined) {
-    bodyParams["value"] = input.value;
-  }
-  if (input.variableName !== undefined) {
-    bodyParams["variableName"] = input.variableName;
-  }
-  return bodyParams;
+  return {
+    ...(input.value !== undefined && { value: input.value }),
+    ...(input.variableName !== undefined && {
+      variableName: input.variableName
+    })
+  };
 };
 
 const serializeAws_restJson1_1SqsAction = (
   input: SqsAction,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.queueUrl !== undefined) {
-    bodyParams["queueUrl"] = input.queueUrl;
-  }
-  if (input.useBase64 !== undefined) {
-    bodyParams["useBase64"] = input.useBase64;
-  }
-  return bodyParams;
+  return {
+    ...(input.queueUrl !== undefined && { queueUrl: input.queueUrl }),
+    ...(input.useBase64 !== undefined && { useBase64: input.useBase64 })
+  };
 };
 
 const serializeAws_restJson1_1State = (
   input: State,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.onEnter !== undefined) {
-    bodyParams["onEnter"] = serializeAws_restJson1_1OnEnterLifecycle(
-      input.onEnter,
-      context
-    );
-  }
-  if (input.onExit !== undefined) {
-    bodyParams["onExit"] = serializeAws_restJson1_1OnExitLifecycle(
-      input.onExit,
-      context
-    );
-  }
-  if (input.onInput !== undefined) {
-    bodyParams["onInput"] = serializeAws_restJson1_1OnInputLifecycle(
-      input.onInput,
-      context
-    );
-  }
-  if (input.stateName !== undefined) {
-    bodyParams["stateName"] = input.stateName;
-  }
-  return bodyParams;
+  return {
+    ...(input.onEnter !== undefined && {
+      onEnter: serializeAws_restJson1_1OnEnterLifecycle(input.onEnter, context)
+    }),
+    ...(input.onExit !== undefined && {
+      onExit: serializeAws_restJson1_1OnExitLifecycle(input.onExit, context)
+    }),
+    ...(input.onInput !== undefined && {
+      onInput: serializeAws_restJson1_1OnInputLifecycle(input.onInput, context)
+    }),
+    ...(input.stateName !== undefined && { stateName: input.stateName })
+  };
 };
 
 const serializeAws_restJson1_1States = (
@@ -3042,14 +2959,10 @@ const serializeAws_restJson1_1Tag = (
   input: Tag,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.key !== undefined) {
-    bodyParams["key"] = input.key;
-  }
-  if (input.value !== undefined) {
-    bodyParams["value"] = input.value;
-  }
-  return bodyParams;
+  return {
+    ...(input.key !== undefined && { key: input.key }),
+    ...(input.value !== undefined && { value: input.value })
+  };
 };
 
 const serializeAws_restJson1_1Tags = (
@@ -3063,23 +2976,14 @@ const serializeAws_restJson1_1TransitionEvent = (
   input: TransitionEvent,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.actions !== undefined) {
-    bodyParams["actions"] = serializeAws_restJson1_1Actions(
-      input.actions,
-      context
-    );
-  }
-  if (input.condition !== undefined) {
-    bodyParams["condition"] = input.condition;
-  }
-  if (input.eventName !== undefined) {
-    bodyParams["eventName"] = input.eventName;
-  }
-  if (input.nextState !== undefined) {
-    bodyParams["nextState"] = input.nextState;
-  }
-  return bodyParams;
+  return {
+    ...(input.actions !== undefined && {
+      actions: serializeAws_restJson1_1Actions(input.actions, context)
+    }),
+    ...(input.condition !== undefined && { condition: input.condition }),
+    ...(input.eventName !== undefined && { eventName: input.eventName }),
+    ...(input.nextState !== undefined && { nextState: input.nextState })
+  };
 };
 
 const serializeAws_restJson1_1TransitionEvents = (
diff --git a/clients/client-iot/protocols/Aws_restJson1_1.ts b/clients/client-iot/protocols/Aws_restJson1_1.ts
index 1749dac1bfee..baf5dd2dbb0f 100644
--- a/clients/client-iot/protocols/Aws_restJson1_1.ts
+++ b/clients/client-iot/protocols/Aws_restJson1_1.ts
@@ -32018,11 +32018,9 @@ const serializeAws_restJson1_1Configuration = (
   input: Configuration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Enabled !== undefined) {
-    bodyParams["Enabled"] = input.Enabled;
-  }
-  return bodyParams;
+  return {
+    ...(input.Enabled !== undefined && { Enabled: input.Enabled })
+  };
 };
 
 const serializeAws_restJson1_1EventConfigurations = (
@@ -32046,14 +32044,10 @@ const serializeAws_restJson1_1Tag = (
   input: Tag,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Key !== undefined) {
-    bodyParams["Key"] = input.Key;
-  }
-  if (input.Value !== undefined) {
-    bodyParams["Value"] = input.Value;
-  }
-  return bodyParams;
+  return {
+    ...(input.Key !== undefined && { Key: input.Key }),
+    ...(input.Value !== undefined && { Value: input.Value })
+  };
 };
 
 const serializeAws_restJson1_1TagKeyList = (
@@ -32074,111 +32068,92 @@ const serializeAws_restJson1_1Action = (
   input: Action,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.cloudwatchAlarm !== undefined) {
-    bodyParams[
-      "cloudwatchAlarm"
-    ] = serializeAws_restJson1_1CloudwatchAlarmAction(
-      input.cloudwatchAlarm,
-      context
-    );
-  }
-  if (input.cloudwatchMetric !== undefined) {
-    bodyParams[
-      "cloudwatchMetric"
-    ] = serializeAws_restJson1_1CloudwatchMetricAction(
-      input.cloudwatchMetric,
-      context
-    );
-  }
-  if (input.dynamoDB !== undefined) {
-    bodyParams["dynamoDB"] = serializeAws_restJson1_1DynamoDBAction(
-      input.dynamoDB,
-      context
-    );
-  }
-  if (input.dynamoDBv2 !== undefined) {
-    bodyParams["dynamoDBv2"] = serializeAws_restJson1_1DynamoDBv2Action(
-      input.dynamoDBv2,
-      context
-    );
-  }
-  if (input.elasticsearch !== undefined) {
-    bodyParams["elasticsearch"] = serializeAws_restJson1_1ElasticsearchAction(
-      input.elasticsearch,
-      context
-    );
-  }
-  if (input.firehose !== undefined) {
-    bodyParams["firehose"] = serializeAws_restJson1_1FirehoseAction(
-      input.firehose,
-      context
-    );
-  }
-  if (input.http !== undefined) {
-    bodyParams["http"] = serializeAws_restJson1_1HttpAction(
-      input.http,
-      context
-    );
-  }
-  if (input.iotAnalytics !== undefined) {
-    bodyParams["iotAnalytics"] = serializeAws_restJson1_1IotAnalyticsAction(
-      input.iotAnalytics,
-      context
-    );
-  }
-  if (input.iotEvents !== undefined) {
-    bodyParams["iotEvents"] = serializeAws_restJson1_1IotEventsAction(
-      input.iotEvents,
-      context
-    );
-  }
-  if (input.iotSiteWise !== undefined) {
-    bodyParams["iotSiteWise"] = serializeAws_restJson1_1IotSiteWiseAction(
-      input.iotSiteWise,
-      context
-    );
-  }
-  if (input.kinesis !== undefined) {
-    bodyParams["kinesis"] = serializeAws_restJson1_1KinesisAction(
-      input.kinesis,
-      context
-    );
-  }
-  if (input.lambda !== undefined) {
-    bodyParams["lambda"] = serializeAws_restJson1_1LambdaAction(
-      input.lambda,
-      context
-    );
-  }
-  if (input.republish !== undefined) {
-    bodyParams["republish"] = serializeAws_restJson1_1RepublishAction(
-      input.republish,
-      context
-    );
-  }
-  if (input.s3 !== undefined) {
-    bodyParams["s3"] = serializeAws_restJson1_1S3Action(input.s3, context);
-  }
-  if (input.salesforce !== undefined) {
-    bodyParams["salesforce"] = serializeAws_restJson1_1SalesforceAction(
-      input.salesforce,
-      context
-    );
-  }
-  if (input.sns !== undefined) {
-    bodyParams["sns"] = serializeAws_restJson1_1SnsAction(input.sns, context);
-  }
-  if (input.sqs !== undefined) {
-    bodyParams["sqs"] = serializeAws_restJson1_1SqsAction(input.sqs, context);
-  }
-  if (input.stepFunctions !== undefined) {
-    bodyParams["stepFunctions"] = serializeAws_restJson1_1StepFunctionsAction(
-      input.stepFunctions,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.cloudwatchAlarm !== undefined && {
+      cloudwatchAlarm: serializeAws_restJson1_1CloudwatchAlarmAction(
+        input.cloudwatchAlarm,
+        context
+      )
+    }),
+    ...(input.cloudwatchMetric !== undefined && {
+      cloudwatchMetric: serializeAws_restJson1_1CloudwatchMetricAction(
+        input.cloudwatchMetric,
+        context
+      )
+    }),
+    ...(input.dynamoDB !== undefined && {
+      dynamoDB: serializeAws_restJson1_1DynamoDBAction(input.dynamoDB, context)
+    }),
+    ...(input.dynamoDBv2 !== undefined && {
+      dynamoDBv2: serializeAws_restJson1_1DynamoDBv2Action(
+        input.dynamoDBv2,
+        context
+      )
+    }),
+    ...(input.elasticsearch !== undefined && {
+      elasticsearch: serializeAws_restJson1_1ElasticsearchAction(
+        input.elasticsearch,
+        context
+      )
+    }),
+    ...(input.firehose !== undefined && {
+      firehose: serializeAws_restJson1_1FirehoseAction(input.firehose, context)
+    }),
+    ...(input.http !== undefined && {
+      http: serializeAws_restJson1_1HttpAction(input.http, context)
+    }),
+    ...(input.iotAnalytics !== undefined && {
+      iotAnalytics: serializeAws_restJson1_1IotAnalyticsAction(
+        input.iotAnalytics,
+        context
+      )
+    }),
+    ...(input.iotEvents !== undefined && {
+      iotEvents: serializeAws_restJson1_1IotEventsAction(
+        input.iotEvents,
+        context
+      )
+    }),
+    ...(input.iotSiteWise !== undefined && {
+      iotSiteWise: serializeAws_restJson1_1IotSiteWiseAction(
+        input.iotSiteWise,
+        context
+      )
+    }),
+    ...(input.kinesis !== undefined && {
+      kinesis: serializeAws_restJson1_1KinesisAction(input.kinesis, context)
+    }),
+    ...(input.lambda !== undefined && {
+      lambda: serializeAws_restJson1_1LambdaAction(input.lambda, context)
+    }),
+    ...(input.republish !== undefined && {
+      republish: serializeAws_restJson1_1RepublishAction(
+        input.republish,
+        context
+      )
+    }),
+    ...(input.s3 !== undefined && {
+      s3: serializeAws_restJson1_1S3Action(input.s3, context)
+    }),
+    ...(input.salesforce !== undefined && {
+      salesforce: serializeAws_restJson1_1SalesforceAction(
+        input.salesforce,
+        context
+      )
+    }),
+    ...(input.sns !== undefined && {
+      sns: serializeAws_restJson1_1SnsAction(input.sns, context)
+    }),
+    ...(input.sqs !== undefined && {
+      sqs: serializeAws_restJson1_1SqsAction(input.sqs, context)
+    }),
+    ...(input.stepFunctions !== undefined && {
+      stepFunctions: serializeAws_restJson1_1StepFunctionsAction(
+        input.stepFunctions,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1ActionList = (
@@ -32192,37 +32167,32 @@ const serializeAws_restJson1_1AssetPropertyTimestamp = (
   input: AssetPropertyTimestamp,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.offsetInNanos !== undefined) {
-    bodyParams["offsetInNanos"] = input.offsetInNanos;
-  }
-  if (input.timeInSeconds !== undefined) {
-    bodyParams["timeInSeconds"] = input.timeInSeconds;
-  }
-  return bodyParams;
+  return {
+    ...(input.offsetInNanos !== undefined && {
+      offsetInNanos: input.offsetInNanos
+    }),
+    ...(input.timeInSeconds !== undefined && {
+      timeInSeconds: input.timeInSeconds
+    })
+  };
 };
 
 const serializeAws_restJson1_1AssetPropertyValue = (
   input: AssetPropertyValue,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.quality !== undefined) {
-    bodyParams["quality"] = input.quality;
-  }
-  if (input.timestamp !== undefined) {
-    bodyParams["timestamp"] = serializeAws_restJson1_1AssetPropertyTimestamp(
-      input.timestamp,
-      context
-    );
-  }
-  if (input.value !== undefined) {
-    bodyParams["value"] = serializeAws_restJson1_1AssetPropertyVariant(
-      input.value,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.quality !== undefined && { quality: input.quality }),
+    ...(input.timestamp !== undefined && {
+      timestamp: serializeAws_restJson1_1AssetPropertyTimestamp(
+        input.timestamp,
+        context
+      )
+    }),
+    ...(input.value !== undefined && {
+      value: serializeAws_restJson1_1AssetPropertyVariant(input.value, context)
+    })
+  };
 };
 
 const serializeAws_restJson1_1AssetPropertyValueList = (
@@ -32238,161 +32208,114 @@ const serializeAws_restJson1_1AssetPropertyVariant = (
   input: AssetPropertyVariant,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.booleanValue !== undefined) {
-    bodyParams["booleanValue"] = input.booleanValue;
-  }
-  if (input.doubleValue !== undefined) {
-    bodyParams["doubleValue"] = input.doubleValue;
-  }
-  if (input.integerValue !== undefined) {
-    bodyParams["integerValue"] = input.integerValue;
-  }
-  if (input.stringValue !== undefined) {
-    bodyParams["stringValue"] = input.stringValue;
-  }
-  return bodyParams;
+  return {
+    ...(input.booleanValue !== undefined && {
+      booleanValue: input.booleanValue
+    }),
+    ...(input.doubleValue !== undefined && { doubleValue: input.doubleValue }),
+    ...(input.integerValue !== undefined && {
+      integerValue: input.integerValue
+    }),
+    ...(input.stringValue !== undefined && { stringValue: input.stringValue })
+  };
 };
 
 const serializeAws_restJson1_1CloudwatchAlarmAction = (
   input: CloudwatchAlarmAction,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.alarmName !== undefined) {
-    bodyParams["alarmName"] = input.alarmName;
-  }
-  if (input.roleArn !== undefined) {
-    bodyParams["roleArn"] = input.roleArn;
-  }
-  if (input.stateReason !== undefined) {
-    bodyParams["stateReason"] = input.stateReason;
-  }
-  if (input.stateValue !== undefined) {
-    bodyParams["stateValue"] = input.stateValue;
-  }
-  return bodyParams;
+  return {
+    ...(input.alarmName !== undefined && { alarmName: input.alarmName }),
+    ...(input.roleArn !== undefined && { roleArn: input.roleArn }),
+    ...(input.stateReason !== undefined && { stateReason: input.stateReason }),
+    ...(input.stateValue !== undefined && { stateValue: input.stateValue })
+  };
 };
 
 const serializeAws_restJson1_1CloudwatchMetricAction = (
   input: CloudwatchMetricAction,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.metricName !== undefined) {
-    bodyParams["metricName"] = input.metricName;
-  }
-  if (input.metricNamespace !== undefined) {
-    bodyParams["metricNamespace"] = input.metricNamespace;
-  }
-  if (input.metricTimestamp !== undefined) {
-    bodyParams["metricTimestamp"] = input.metricTimestamp;
-  }
-  if (input.metricUnit !== undefined) {
-    bodyParams["metricUnit"] = input.metricUnit;
-  }
-  if (input.metricValue !== undefined) {
-    bodyParams["metricValue"] = input.metricValue;
-  }
-  if (input.roleArn !== undefined) {
-    bodyParams["roleArn"] = input.roleArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.metricName !== undefined && { metricName: input.metricName }),
+    ...(input.metricNamespace !== undefined && {
+      metricNamespace: input.metricNamespace
+    }),
+    ...(input.metricTimestamp !== undefined && {
+      metricTimestamp: input.metricTimestamp
+    }),
+    ...(input.metricUnit !== undefined && { metricUnit: input.metricUnit }),
+    ...(input.metricValue !== undefined && { metricValue: input.metricValue }),
+    ...(input.roleArn !== undefined && { roleArn: input.roleArn })
+  };
 };
 
 const serializeAws_restJson1_1DynamoDBAction = (
   input: DynamoDBAction,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.hashKeyField !== undefined) {
-    bodyParams["hashKeyField"] = input.hashKeyField;
-  }
-  if (input.hashKeyType !== undefined) {
-    bodyParams["hashKeyType"] = input.hashKeyType;
-  }
-  if (input.hashKeyValue !== undefined) {
-    bodyParams["hashKeyValue"] = input.hashKeyValue;
-  }
-  if (input.operation !== undefined) {
-    bodyParams["operation"] = input.operation;
-  }
-  if (input.payloadField !== undefined) {
-    bodyParams["payloadField"] = input.payloadField;
-  }
-  if (input.rangeKeyField !== undefined) {
-    bodyParams["rangeKeyField"] = input.rangeKeyField;
-  }
-  if (input.rangeKeyType !== undefined) {
-    bodyParams["rangeKeyType"] = input.rangeKeyType;
-  }
-  if (input.rangeKeyValue !== undefined) {
-    bodyParams["rangeKeyValue"] = input.rangeKeyValue;
-  }
-  if (input.roleArn !== undefined) {
-    bodyParams["roleArn"] = input.roleArn;
-  }
-  if (input.tableName !== undefined) {
-    bodyParams["tableName"] = input.tableName;
-  }
-  return bodyParams;
+  return {
+    ...(input.hashKeyField !== undefined && {
+      hashKeyField: input.hashKeyField
+    }),
+    ...(input.hashKeyType !== undefined && { hashKeyType: input.hashKeyType }),
+    ...(input.hashKeyValue !== undefined && {
+      hashKeyValue: input.hashKeyValue
+    }),
+    ...(input.operation !== undefined && { operation: input.operation }),
+    ...(input.payloadField !== undefined && {
+      payloadField: input.payloadField
+    }),
+    ...(input.rangeKeyField !== undefined && {
+      rangeKeyField: input.rangeKeyField
+    }),
+    ...(input.rangeKeyType !== undefined && {
+      rangeKeyType: input.rangeKeyType
+    }),
+    ...(input.rangeKeyValue !== undefined && {
+      rangeKeyValue: input.rangeKeyValue
+    }),
+    ...(input.roleArn !== undefined && { roleArn: input.roleArn }),
+    ...(input.tableName !== undefined && { tableName: input.tableName })
+  };
 };
 
 const serializeAws_restJson1_1DynamoDBv2Action = (
   input: DynamoDBv2Action,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.putItem !== undefined) {
-    bodyParams["putItem"] = serializeAws_restJson1_1PutItemInput(
-      input.putItem,
-      context
-    );
-  }
-  if (input.roleArn !== undefined) {
-    bodyParams["roleArn"] = input.roleArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.putItem !== undefined && {
+      putItem: serializeAws_restJson1_1PutItemInput(input.putItem, context)
+    }),
+    ...(input.roleArn !== undefined && { roleArn: input.roleArn })
+  };
 };
 
 const serializeAws_restJson1_1ElasticsearchAction = (
   input: ElasticsearchAction,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.endpoint !== undefined) {
-    bodyParams["endpoint"] = input.endpoint;
-  }
-  if (input.id !== undefined) {
-    bodyParams["id"] = input.id;
-  }
-  if (input.index !== undefined) {
-    bodyParams["index"] = input.index;
-  }
-  if (input.roleArn !== undefined) {
-    bodyParams["roleArn"] = input.roleArn;
-  }
-  if (input.type !== undefined) {
-    bodyParams["type"] = input.type;
-  }
-  return bodyParams;
+  return {
+    ...(input.endpoint !== undefined && { endpoint: input.endpoint }),
+    ...(input.id !== undefined && { id: input.id }),
+    ...(input.index !== undefined && { index: input.index }),
+    ...(input.roleArn !== undefined && { roleArn: input.roleArn }),
+    ...(input.type !== undefined && { type: input.type })
+  };
 };
 
 const serializeAws_restJson1_1FirehoseAction = (
   input: FirehoseAction,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.deliveryStreamName !== undefined) {
-    bodyParams["deliveryStreamName"] = input.deliveryStreamName;
-  }
-  if (input.roleArn !== undefined) {
-    bodyParams["roleArn"] = input.roleArn;
-  }
-  if (input.separator !== undefined) {
-    bodyParams["separator"] = input.separator;
-  }
-  return bodyParams;
+  return {
+    ...(input.deliveryStreamName !== undefined && {
+      deliveryStreamName: input.deliveryStreamName
+    }),
+    ...(input.roleArn !== undefined && { roleArn: input.roleArn }),
+    ...(input.separator !== undefined && { separator: input.separator })
+  };
 };
 
 const serializeAws_restJson1_1HeaderList = (
@@ -32408,202 +32331,149 @@ const serializeAws_restJson1_1HttpAction = (
   input: HttpAction,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.auth !== undefined) {
-    bodyParams["auth"] = serializeAws_restJson1_1HttpAuthorization(
-      input.auth,
-      context
-    );
-  }
-  if (input.confirmationUrl !== undefined) {
-    bodyParams["confirmationUrl"] = input.confirmationUrl;
-  }
-  if (input.headers !== undefined) {
-    bodyParams["headers"] = serializeAws_restJson1_1HeaderList(
-      input.headers,
-      context
-    );
-  }
-  if (input.url !== undefined) {
-    bodyParams["url"] = input.url;
-  }
-  return bodyParams;
+  return {
+    ...(input.auth !== undefined && {
+      auth: serializeAws_restJson1_1HttpAuthorization(input.auth, context)
+    }),
+    ...(input.confirmationUrl !== undefined && {
+      confirmationUrl: input.confirmationUrl
+    }),
+    ...(input.headers !== undefined && {
+      headers: serializeAws_restJson1_1HeaderList(input.headers, context)
+    }),
+    ...(input.url !== undefined && { url: input.url })
+  };
 };
 
 const serializeAws_restJson1_1HttpActionHeader = (
   input: HttpActionHeader,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.key !== undefined) {
-    bodyParams["key"] = input.key;
-  }
-  if (input.value !== undefined) {
-    bodyParams["value"] = input.value;
-  }
-  return bodyParams;
+  return {
+    ...(input.key !== undefined && { key: input.key }),
+    ...(input.value !== undefined && { value: input.value })
+  };
 };
 
 const serializeAws_restJson1_1HttpAuthorization = (
   input: HttpAuthorization,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.sigv4 !== undefined) {
-    bodyParams["sigv4"] = serializeAws_restJson1_1SigV4Authorization(
-      input.sigv4,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.sigv4 !== undefined && {
+      sigv4: serializeAws_restJson1_1SigV4Authorization(input.sigv4, context)
+    })
+  };
 };
 
 const serializeAws_restJson1_1HttpUrlDestinationConfiguration = (
   input: HttpUrlDestinationConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.confirmationUrl !== undefined) {
-    bodyParams["confirmationUrl"] = input.confirmationUrl;
-  }
-  return bodyParams;
+  return {
+    ...(input.confirmationUrl !== undefined && {
+      confirmationUrl: input.confirmationUrl
+    })
+  };
 };
 
 const serializeAws_restJson1_1IotAnalyticsAction = (
   input: IotAnalyticsAction,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.channelArn !== undefined) {
-    bodyParams["channelArn"] = input.channelArn;
-  }
-  if (input.channelName !== undefined) {
-    bodyParams["channelName"] = input.channelName;
-  }
-  if (input.roleArn !== undefined) {
-    bodyParams["roleArn"] = input.roleArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.channelArn !== undefined && { channelArn: input.channelArn }),
+    ...(input.channelName !== undefined && { channelName: input.channelName }),
+    ...(input.roleArn !== undefined && { roleArn: input.roleArn })
+  };
 };
 
 const serializeAws_restJson1_1IotEventsAction = (
   input: IotEventsAction,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.inputName !== undefined) {
-    bodyParams["inputName"] = input.inputName;
-  }
-  if (input.messageId !== undefined) {
-    bodyParams["messageId"] = input.messageId;
-  }
-  if (input.roleArn !== undefined) {
-    bodyParams["roleArn"] = input.roleArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.inputName !== undefined && { inputName: input.inputName }),
+    ...(input.messageId !== undefined && { messageId: input.messageId }),
+    ...(input.roleArn !== undefined && { roleArn: input.roleArn })
+  };
 };
 
 const serializeAws_restJson1_1IotSiteWiseAction = (
   input: IotSiteWiseAction,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.putAssetPropertyValueEntries !== undefined) {
-    bodyParams[
-      "putAssetPropertyValueEntries"
-    ] = serializeAws_restJson1_1PutAssetPropertyValueEntryList(
-      input.putAssetPropertyValueEntries,
-      context
-    );
-  }
-  if (input.roleArn !== undefined) {
-    bodyParams["roleArn"] = input.roleArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.putAssetPropertyValueEntries !== undefined && {
+      putAssetPropertyValueEntries: serializeAws_restJson1_1PutAssetPropertyValueEntryList(
+        input.putAssetPropertyValueEntries,
+        context
+      )
+    }),
+    ...(input.roleArn !== undefined && { roleArn: input.roleArn })
+  };
 };
 
 const serializeAws_restJson1_1KinesisAction = (
   input: KinesisAction,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.partitionKey !== undefined) {
-    bodyParams["partitionKey"] = input.partitionKey;
-  }
-  if (input.roleArn !== undefined) {
-    bodyParams["roleArn"] = input.roleArn;
-  }
-  if (input.streamName !== undefined) {
-    bodyParams["streamName"] = input.streamName;
-  }
-  return bodyParams;
+  return {
+    ...(input.partitionKey !== undefined && {
+      partitionKey: input.partitionKey
+    }),
+    ...(input.roleArn !== undefined && { roleArn: input.roleArn }),
+    ...(input.streamName !== undefined && { streamName: input.streamName })
+  };
 };
 
 const serializeAws_restJson1_1LambdaAction = (
   input: LambdaAction,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.functionArn !== undefined) {
-    bodyParams["functionArn"] = input.functionArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.functionArn !== undefined && { functionArn: input.functionArn })
+  };
 };
 
 const serializeAws_restJson1_1LogTarget = (
   input: LogTarget,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.targetName !== undefined) {
-    bodyParams["targetName"] = input.targetName;
-  }
-  if (input.targetType !== undefined) {
-    bodyParams["targetType"] = input.targetType;
-  }
-  return bodyParams;
+  return {
+    ...(input.targetName !== undefined && { targetName: input.targetName }),
+    ...(input.targetType !== undefined && { targetType: input.targetType })
+  };
 };
 
 const serializeAws_restJson1_1LoggingOptionsPayload = (
   input: LoggingOptionsPayload,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.logLevel !== undefined) {
-    bodyParams["logLevel"] = input.logLevel;
-  }
-  if (input.roleArn !== undefined) {
-    bodyParams["roleArn"] = input.roleArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.logLevel !== undefined && { logLevel: input.logLevel }),
+    ...(input.roleArn !== undefined && { roleArn: input.roleArn })
+  };
 };
 
 const serializeAws_restJson1_1PutAssetPropertyValueEntry = (
   input: PutAssetPropertyValueEntry,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.assetId !== undefined) {
-    bodyParams["assetId"] = input.assetId;
-  }
-  if (input.entryId !== undefined) {
-    bodyParams["entryId"] = input.entryId;
-  }
-  if (input.propertyAlias !== undefined) {
-    bodyParams["propertyAlias"] = input.propertyAlias;
-  }
-  if (input.propertyId !== undefined) {
-    bodyParams["propertyId"] = input.propertyId;
-  }
-  if (input.propertyValues !== undefined) {
-    bodyParams[
-      "propertyValues"
-    ] = serializeAws_restJson1_1AssetPropertyValueList(
-      input.propertyValues,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.assetId !== undefined && { assetId: input.assetId }),
+    ...(input.entryId !== undefined && { entryId: input.entryId }),
+    ...(input.propertyAlias !== undefined && {
+      propertyAlias: input.propertyAlias
+    }),
+    ...(input.propertyId !== undefined && { propertyId: input.propertyId }),
+    ...(input.propertyValues !== undefined && {
+      propertyValues: serializeAws_restJson1_1AssetPropertyValueList(
+        input.propertyValues,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1PutAssetPropertyValueEntryList = (
@@ -32619,195 +32489,142 @@ const serializeAws_restJson1_1PutItemInput = (
   input: PutItemInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.tableName !== undefined) {
-    bodyParams["tableName"] = input.tableName;
-  }
-  return bodyParams;
+  return {
+    ...(input.tableName !== undefined && { tableName: input.tableName })
+  };
 };
 
 const serializeAws_restJson1_1RepublishAction = (
   input: RepublishAction,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.qos !== undefined) {
-    bodyParams["qos"] = input.qos;
-  }
-  if (input.roleArn !== undefined) {
-    bodyParams["roleArn"] = input.roleArn;
-  }
-  if (input.topic !== undefined) {
-    bodyParams["topic"] = input.topic;
-  }
-  return bodyParams;
+  return {
+    ...(input.qos !== undefined && { qos: input.qos }),
+    ...(input.roleArn !== undefined && { roleArn: input.roleArn }),
+    ...(input.topic !== undefined && { topic: input.topic })
+  };
 };
 
 const serializeAws_restJson1_1S3Action = (
   input: S3Action,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.bucketName !== undefined) {
-    bodyParams["bucketName"] = input.bucketName;
-  }
-  if (input.cannedAcl !== undefined) {
-    bodyParams["cannedAcl"] = input.cannedAcl;
-  }
-  if (input.key !== undefined) {
-    bodyParams["key"] = input.key;
-  }
-  if (input.roleArn !== undefined) {
-    bodyParams["roleArn"] = input.roleArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.bucketName !== undefined && { bucketName: input.bucketName }),
+    ...(input.cannedAcl !== undefined && { cannedAcl: input.cannedAcl }),
+    ...(input.key !== undefined && { key: input.key }),
+    ...(input.roleArn !== undefined && { roleArn: input.roleArn })
+  };
 };
 
 const serializeAws_restJson1_1SalesforceAction = (
   input: SalesforceAction,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.token !== undefined) {
-    bodyParams["token"] = input.token;
-  }
-  if (input.url !== undefined) {
-    bodyParams["url"] = input.url;
-  }
-  return bodyParams;
+  return {
+    ...(input.token !== undefined && { token: input.token }),
+    ...(input.url !== undefined && { url: input.url })
+  };
 };
 
 const serializeAws_restJson1_1SigV4Authorization = (
   input: SigV4Authorization,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.roleArn !== undefined) {
-    bodyParams["roleArn"] = input.roleArn;
-  }
-  if (input.serviceName !== undefined) {
-    bodyParams["serviceName"] = input.serviceName;
-  }
-  if (input.signingRegion !== undefined) {
-    bodyParams["signingRegion"] = input.signingRegion;
-  }
-  return bodyParams;
+  return {
+    ...(input.roleArn !== undefined && { roleArn: input.roleArn }),
+    ...(input.serviceName !== undefined && { serviceName: input.serviceName }),
+    ...(input.signingRegion !== undefined && {
+      signingRegion: input.signingRegion
+    })
+  };
 };
 
 const serializeAws_restJson1_1SnsAction = (
   input: SnsAction,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.messageFormat !== undefined) {
-    bodyParams["messageFormat"] = input.messageFormat;
-  }
-  if (input.roleArn !== undefined) {
-    bodyParams["roleArn"] = input.roleArn;
-  }
-  if (input.targetArn !== undefined) {
-    bodyParams["targetArn"] = input.targetArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.messageFormat !== undefined && {
+      messageFormat: input.messageFormat
+    }),
+    ...(input.roleArn !== undefined && { roleArn: input.roleArn }),
+    ...(input.targetArn !== undefined && { targetArn: input.targetArn })
+  };
 };
 
 const serializeAws_restJson1_1SqsAction = (
   input: SqsAction,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.queueUrl !== undefined) {
-    bodyParams["queueUrl"] = input.queueUrl;
-  }
-  if (input.roleArn !== undefined) {
-    bodyParams["roleArn"] = input.roleArn;
-  }
-  if (input.useBase64 !== undefined) {
-    bodyParams["useBase64"] = input.useBase64;
-  }
-  return bodyParams;
+  return {
+    ...(input.queueUrl !== undefined && { queueUrl: input.queueUrl }),
+    ...(input.roleArn !== undefined && { roleArn: input.roleArn }),
+    ...(input.useBase64 !== undefined && { useBase64: input.useBase64 })
+  };
 };
 
 const serializeAws_restJson1_1StepFunctionsAction = (
   input: StepFunctionsAction,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.executionNamePrefix !== undefined) {
-    bodyParams["executionNamePrefix"] = input.executionNamePrefix;
-  }
-  if (input.roleArn !== undefined) {
-    bodyParams["roleArn"] = input.roleArn;
-  }
-  if (input.stateMachineName !== undefined) {
-    bodyParams["stateMachineName"] = input.stateMachineName;
-  }
-  return bodyParams;
+  return {
+    ...(input.executionNamePrefix !== undefined && {
+      executionNamePrefix: input.executionNamePrefix
+    }),
+    ...(input.roleArn !== undefined && { roleArn: input.roleArn }),
+    ...(input.stateMachineName !== undefined && {
+      stateMachineName: input.stateMachineName
+    })
+  };
 };
 
 const serializeAws_restJson1_1TopicRuleDestinationConfiguration = (
   input: TopicRuleDestinationConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.httpUrlConfiguration !== undefined) {
-    bodyParams[
-      "httpUrlConfiguration"
-    ] = serializeAws_restJson1_1HttpUrlDestinationConfiguration(
-      input.httpUrlConfiguration,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.httpUrlConfiguration !== undefined && {
+      httpUrlConfiguration: serializeAws_restJson1_1HttpUrlDestinationConfiguration(
+        input.httpUrlConfiguration,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1TopicRulePayload = (
   input: TopicRulePayload,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.actions !== undefined) {
-    bodyParams["actions"] = serializeAws_restJson1_1ActionList(
-      input.actions,
-      context
-    );
-  }
-  if (input.awsIotSqlVersion !== undefined) {
-    bodyParams["awsIotSqlVersion"] = input.awsIotSqlVersion;
-  }
-  if (input.description !== undefined) {
-    bodyParams["description"] = input.description;
-  }
-  if (input.errorAction !== undefined) {
-    bodyParams["errorAction"] = serializeAws_restJson1_1Action(
-      input.errorAction,
-      context
-    );
-  }
-  if (input.ruleDisabled !== undefined) {
-    bodyParams["ruleDisabled"] = input.ruleDisabled;
-  }
-  if (input.sql !== undefined) {
-    bodyParams["sql"] = input.sql;
-  }
-  return bodyParams;
+  return {
+    ...(input.actions !== undefined && {
+      actions: serializeAws_restJson1_1ActionList(input.actions, context)
+    }),
+    ...(input.awsIotSqlVersion !== undefined && {
+      awsIotSqlVersion: input.awsIotSqlVersion
+    }),
+    ...(input.description !== undefined && { description: input.description }),
+    ...(input.errorAction !== undefined && {
+      errorAction: serializeAws_restJson1_1Action(input.errorAction, context)
+    }),
+    ...(input.ruleDisabled !== undefined && {
+      ruleDisabled: input.ruleDisabled
+    }),
+    ...(input.sql !== undefined && { sql: input.sql })
+  };
 };
 
 const serializeAws_restJson1_1AuthInfo = (
   input: AuthInfo,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.actionType !== undefined) {
-    bodyParams["actionType"] = input.actionType;
-  }
-  if (input.resources !== undefined) {
-    bodyParams["resources"] = serializeAws_restJson1_1Resources(
-      input.resources,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.actionType !== undefined && { actionType: input.actionType }),
+    ...(input.resources !== undefined && {
+      resources: serializeAws_restJson1_1Resources(input.resources, context)
+    })
+  };
 };
 
 const serializeAws_restJson1_1AuthInfos = (
@@ -32821,31 +32638,26 @@ const serializeAws_restJson1_1AuthorizerConfig = (
   input: AuthorizerConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.allowAuthorizerOverride !== undefined) {
-    bodyParams["allowAuthorizerOverride"] = input.allowAuthorizerOverride;
-  }
-  if (input.defaultAuthorizerName !== undefined) {
-    bodyParams["defaultAuthorizerName"] = input.defaultAuthorizerName;
-  }
-  return bodyParams;
+  return {
+    ...(input.allowAuthorizerOverride !== undefined && {
+      allowAuthorizerOverride: input.allowAuthorizerOverride
+    }),
+    ...(input.defaultAuthorizerName !== undefined && {
+      defaultAuthorizerName: input.defaultAuthorizerName
+    })
+  };
 };
 
 const serializeAws_restJson1_1HttpContext = (
   input: HttpContext,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.headers !== undefined) {
-    bodyParams["headers"] = serializeAws_restJson1_1HttpHeaders(
-      input.headers,
-      context
-    );
-  }
-  if (input.queryString !== undefined) {
-    bodyParams["queryString"] = input.queryString;
-  }
-  return bodyParams;
+  return {
+    ...(input.headers !== undefined && {
+      headers: serializeAws_restJson1_1HttpHeaders(input.headers, context)
+    }),
+    ...(input.queryString !== undefined && { queryString: input.queryString })
+  };
 };
 
 const serializeAws_restJson1_1HttpHeaders = (
@@ -32862,17 +32674,13 @@ const serializeAws_restJson1_1MqttContext = (
   input: MqttContext,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.clientId !== undefined) {
-    bodyParams["clientId"] = input.clientId;
-  }
-  if (input.password !== undefined) {
-    bodyParams["password"] = context.base64Encoder(input.password);
-  }
-  if (input.username !== undefined) {
-    bodyParams["username"] = input.username;
-  }
-  return bodyParams;
+  return {
+    ...(input.clientId !== undefined && { clientId: input.clientId }),
+    ...(input.password !== undefined && {
+      password: context.base64Encoder(input.password)
+    }),
+    ...(input.username !== undefined && { username: input.username })
+  };
 };
 
 const serializeAws_restJson1_1Parameters = (
@@ -32899,14 +32707,12 @@ const serializeAws_restJson1_1RegistrationConfig = (
   input: RegistrationConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.roleArn !== undefined) {
-    bodyParams["roleArn"] = input.roleArn;
-  }
-  if (input.templateBody !== undefined) {
-    bodyParams["templateBody"] = input.templateBody;
-  }
-  return bodyParams;
+  return {
+    ...(input.roleArn !== undefined && { roleArn: input.roleArn }),
+    ...(input.templateBody !== undefined && {
+      templateBody: input.templateBody
+    })
+  };
 };
 
 const serializeAws_restJson1_1Resources = (
@@ -32927,25 +32733,19 @@ const serializeAws_restJson1_1TlsContext = (
   input: TlsContext,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.serverName !== undefined) {
-    bodyParams["serverName"] = input.serverName;
-  }
-  return bodyParams;
+  return {
+    ...(input.serverName !== undefined && { serverName: input.serverName })
+  };
 };
 
 const serializeAws_restJson1_1Field = (
   input: Field,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  if (input.type !== undefined) {
-    bodyParams["type"] = input.type;
-  }
-  return bodyParams;
+  return {
+    ...(input.name !== undefined && { name: input.name }),
+    ...(input.type !== undefined && { type: input.type })
+  };
 };
 
 const serializeAws_restJson1_1Fields = (
@@ -32966,84 +32766,73 @@ const serializeAws_restJson1_1ThingGroupIndexingConfiguration = (
   input: ThingGroupIndexingConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.customFields !== undefined) {
-    bodyParams["customFields"] = serializeAws_restJson1_1Fields(
-      input.customFields,
-      context
-    );
-  }
-  if (input.managedFields !== undefined) {
-    bodyParams["managedFields"] = serializeAws_restJson1_1Fields(
-      input.managedFields,
-      context
-    );
-  }
-  if (input.thingGroupIndexingMode !== undefined) {
-    bodyParams["thingGroupIndexingMode"] = input.thingGroupIndexingMode;
-  }
-  return bodyParams;
+  return {
+    ...(input.customFields !== undefined && {
+      customFields: serializeAws_restJson1_1Fields(input.customFields, context)
+    }),
+    ...(input.managedFields !== undefined && {
+      managedFields: serializeAws_restJson1_1Fields(
+        input.managedFields,
+        context
+      )
+    }),
+    ...(input.thingGroupIndexingMode !== undefined && {
+      thingGroupIndexingMode: input.thingGroupIndexingMode
+    })
+  };
 };
 
 const serializeAws_restJson1_1ThingIndexingConfiguration = (
   input: ThingIndexingConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.customFields !== undefined) {
-    bodyParams["customFields"] = serializeAws_restJson1_1Fields(
-      input.customFields,
-      context
-    );
-  }
-  if (input.managedFields !== undefined) {
-    bodyParams["managedFields"] = serializeAws_restJson1_1Fields(
-      input.managedFields,
-      context
-    );
-  }
-  if (input.thingConnectivityIndexingMode !== undefined) {
-    bodyParams["thingConnectivityIndexingMode"] =
-      input.thingConnectivityIndexingMode;
-  }
-  if (input.thingIndexingMode !== undefined) {
-    bodyParams["thingIndexingMode"] = input.thingIndexingMode;
-  }
-  return bodyParams;
+  return {
+    ...(input.customFields !== undefined && {
+      customFields: serializeAws_restJson1_1Fields(input.customFields, context)
+    }),
+    ...(input.managedFields !== undefined && {
+      managedFields: serializeAws_restJson1_1Fields(
+        input.managedFields,
+        context
+      )
+    }),
+    ...(input.thingConnectivityIndexingMode !== undefined && {
+      thingConnectivityIndexingMode: input.thingConnectivityIndexingMode
+    }),
+    ...(input.thingIndexingMode !== undefined && {
+      thingIndexingMode: input.thingIndexingMode
+    })
+  };
 };
 
 const serializeAws_restJson1_1AbortConfig = (
   input: AbortConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.criteriaList !== undefined) {
-    bodyParams["criteriaList"] = serializeAws_restJson1_1AbortCriteriaList(
-      input.criteriaList,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.criteriaList !== undefined && {
+      criteriaList: serializeAws_restJson1_1AbortCriteriaList(
+        input.criteriaList,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1AbortCriteria = (
   input: AbortCriteria,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.action !== undefined) {
-    bodyParams["action"] = input.action;
-  }
-  if (input.failureType !== undefined) {
-    bodyParams["failureType"] = input.failureType;
-  }
-  if (input.minNumberOfExecutedThings !== undefined) {
-    bodyParams["minNumberOfExecutedThings"] = input.minNumberOfExecutedThings;
-  }
-  if (input.thresholdPercentage !== undefined) {
-    bodyParams["thresholdPercentage"] = input.thresholdPercentage;
-  }
-  return bodyParams;
+  return {
+    ...(input.action !== undefined && { action: input.action }),
+    ...(input.failureType !== undefined && { failureType: input.failureType }),
+    ...(input.minNumberOfExecutedThings !== undefined && {
+      minNumberOfExecutedThings: input.minNumberOfExecutedThings
+    }),
+    ...(input.thresholdPercentage !== undefined && {
+      thresholdPercentage: input.thresholdPercentage
+    })
+  };
 };
 
 const serializeAws_restJson1_1AbortCriteriaList = (
@@ -33059,41 +32848,37 @@ const serializeAws_restJson1_1ExponentialRolloutRate = (
   input: ExponentialRolloutRate,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.baseRatePerMinute !== undefined) {
-    bodyParams["baseRatePerMinute"] = input.baseRatePerMinute;
-  }
-  if (input.incrementFactor !== undefined) {
-    bodyParams["incrementFactor"] = input.incrementFactor;
-  }
-  if (input.rateIncreaseCriteria !== undefined) {
-    bodyParams[
-      "rateIncreaseCriteria"
-    ] = serializeAws_restJson1_1RateIncreaseCriteria(
-      input.rateIncreaseCriteria,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.baseRatePerMinute !== undefined && {
+      baseRatePerMinute: input.baseRatePerMinute
+    }),
+    ...(input.incrementFactor !== undefined && {
+      incrementFactor: input.incrementFactor
+    }),
+    ...(input.rateIncreaseCriteria !== undefined && {
+      rateIncreaseCriteria: serializeAws_restJson1_1RateIncreaseCriteria(
+        input.rateIncreaseCriteria,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1JobExecutionsRolloutConfig = (
   input: JobExecutionsRolloutConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.exponentialRate !== undefined) {
-    bodyParams[
-      "exponentialRate"
-    ] = serializeAws_restJson1_1ExponentialRolloutRate(
-      input.exponentialRate,
-      context
-    );
-  }
-  if (input.maximumPerMinute !== undefined) {
-    bodyParams["maximumPerMinute"] = input.maximumPerMinute;
-  }
-  return bodyParams;
+  return {
+    ...(input.exponentialRate !== undefined && {
+      exponentialRate: serializeAws_restJson1_1ExponentialRolloutRate(
+        input.exponentialRate,
+        context
+      )
+    }),
+    ...(input.maximumPerMinute !== undefined && {
+      maximumPerMinute: input.maximumPerMinute
+    })
+  };
 };
 
 const serializeAws_restJson1_1JobTargets = (
@@ -33107,39 +32892,37 @@ const serializeAws_restJson1_1PresignedUrlConfig = (
   input: PresignedUrlConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.expiresInSec !== undefined) {
-    bodyParams["expiresInSec"] = input.expiresInSec;
-  }
-  if (input.roleArn !== undefined) {
-    bodyParams["roleArn"] = input.roleArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.expiresInSec !== undefined && {
+      expiresInSec: input.expiresInSec
+    }),
+    ...(input.roleArn !== undefined && { roleArn: input.roleArn })
+  };
 };
 
 const serializeAws_restJson1_1RateIncreaseCriteria = (
   input: RateIncreaseCriteria,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.numberOfNotifiedThings !== undefined) {
-    bodyParams["numberOfNotifiedThings"] = input.numberOfNotifiedThings;
-  }
-  if (input.numberOfSucceededThings !== undefined) {
-    bodyParams["numberOfSucceededThings"] = input.numberOfSucceededThings;
-  }
-  return bodyParams;
+  return {
+    ...(input.numberOfNotifiedThings !== undefined && {
+      numberOfNotifiedThings: input.numberOfNotifiedThings
+    }),
+    ...(input.numberOfSucceededThings !== undefined && {
+      numberOfSucceededThings: input.numberOfSucceededThings
+    })
+  };
 };
 
 const serializeAws_restJson1_1TimeoutConfig = (
   input: TimeoutConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.inProgressTimeoutInMinutes !== undefined) {
-    bodyParams["inProgressTimeoutInMinutes"] = input.inProgressTimeoutInMinutes;
-  }
-  return bodyParams;
+  return {
+    ...(input.inProgressTimeoutInMinutes !== undefined && {
+      inProgressTimeoutInMinutes: input.inProgressTimeoutInMinutes
+    })
+  };
 };
 
 const serializeAws_restJson1_1DetailsMap = (
@@ -33176,166 +32959,152 @@ const serializeAws_restJson1_1AwsJobExecutionsRolloutConfig = (
   input: AwsJobExecutionsRolloutConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.maximumPerMinute !== undefined) {
-    bodyParams["maximumPerMinute"] = input.maximumPerMinute;
-  }
-  return bodyParams;
+  return {
+    ...(input.maximumPerMinute !== undefined && {
+      maximumPerMinute: input.maximumPerMinute
+    })
+  };
 };
 
 const serializeAws_restJson1_1AwsJobPresignedUrlConfig = (
   input: AwsJobPresignedUrlConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.expiresInSec !== undefined) {
-    bodyParams["expiresInSec"] = input.expiresInSec;
-  }
-  return bodyParams;
+  return {
+    ...(input.expiresInSec !== undefined && {
+      expiresInSec: input.expiresInSec
+    })
+  };
 };
 
 const serializeAws_restJson1_1CodeSigning = (
   input: CodeSigning,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.awsSignerJobId !== undefined) {
-    bodyParams["awsSignerJobId"] = input.awsSignerJobId;
-  }
-  if (input.customCodeSigning !== undefined) {
-    bodyParams["customCodeSigning"] = serializeAws_restJson1_1CustomCodeSigning(
-      input.customCodeSigning,
-      context
-    );
-  }
-  if (input.startSigningJobParameter !== undefined) {
-    bodyParams[
-      "startSigningJobParameter"
-    ] = serializeAws_restJson1_1StartSigningJobParameter(
-      input.startSigningJobParameter,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.awsSignerJobId !== undefined && {
+      awsSignerJobId: input.awsSignerJobId
+    }),
+    ...(input.customCodeSigning !== undefined && {
+      customCodeSigning: serializeAws_restJson1_1CustomCodeSigning(
+        input.customCodeSigning,
+        context
+      )
+    }),
+    ...(input.startSigningJobParameter !== undefined && {
+      startSigningJobParameter: serializeAws_restJson1_1StartSigningJobParameter(
+        input.startSigningJobParameter,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1CodeSigningCertificateChain = (
   input: CodeSigningCertificateChain,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.certificateName !== undefined) {
-    bodyParams["certificateName"] = input.certificateName;
-  }
-  if (input.inlineDocument !== undefined) {
-    bodyParams["inlineDocument"] = input.inlineDocument;
-  }
-  return bodyParams;
+  return {
+    ...(input.certificateName !== undefined && {
+      certificateName: input.certificateName
+    }),
+    ...(input.inlineDocument !== undefined && {
+      inlineDocument: input.inlineDocument
+    })
+  };
 };
 
 const serializeAws_restJson1_1CodeSigningSignature = (
   input: CodeSigningSignature,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.inlineDocument !== undefined) {
-    bodyParams["inlineDocument"] = context.base64Encoder(input.inlineDocument);
-  }
-  return bodyParams;
+  return {
+    ...(input.inlineDocument !== undefined && {
+      inlineDocument: context.base64Encoder(input.inlineDocument)
+    })
+  };
 };
 
 const serializeAws_restJson1_1CustomCodeSigning = (
   input: CustomCodeSigning,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.certificateChain !== undefined) {
-    bodyParams[
-      "certificateChain"
-    ] = serializeAws_restJson1_1CodeSigningCertificateChain(
-      input.certificateChain,
-      context
-    );
-  }
-  if (input.hashAlgorithm !== undefined) {
-    bodyParams["hashAlgorithm"] = input.hashAlgorithm;
-  }
-  if (input.signature !== undefined) {
-    bodyParams["signature"] = serializeAws_restJson1_1CodeSigningSignature(
-      input.signature,
-      context
-    );
-  }
-  if (input.signatureAlgorithm !== undefined) {
-    bodyParams["signatureAlgorithm"] = input.signatureAlgorithm;
-  }
-  return bodyParams;
+  return {
+    ...(input.certificateChain !== undefined && {
+      certificateChain: serializeAws_restJson1_1CodeSigningCertificateChain(
+        input.certificateChain,
+        context
+      )
+    }),
+    ...(input.hashAlgorithm !== undefined && {
+      hashAlgorithm: input.hashAlgorithm
+    }),
+    ...(input.signature !== undefined && {
+      signature: serializeAws_restJson1_1CodeSigningSignature(
+        input.signature,
+        context
+      )
+    }),
+    ...(input.signatureAlgorithm !== undefined && {
+      signatureAlgorithm: input.signatureAlgorithm
+    })
+  };
 };
 
 const serializeAws_restJson1_1Destination = (
   input: Destination,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.s3Destination !== undefined) {
-    bodyParams["s3Destination"] = serializeAws_restJson1_1S3Destination(
-      input.s3Destination,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.s3Destination !== undefined && {
+      s3Destination: serializeAws_restJson1_1S3Destination(
+        input.s3Destination,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1FileLocation = (
   input: FileLocation,
-  context: __SerdeContext
-): any => {
-  const bodyParams: any = {};
-  if (input.s3Location !== undefined) {
-    bodyParams["s3Location"] = serializeAws_restJson1_1S3Location(
-      input.s3Location,
-      context
-    );
-  }
-  if (input.stream !== undefined) {
-    bodyParams["stream"] = serializeAws_restJson1_1_Stream(
-      input.stream,
-      context
-    );
-  }
-  return bodyParams;
+  context: __SerdeContext
+): any => {
+  return {
+    ...(input.s3Location !== undefined && {
+      s3Location: serializeAws_restJson1_1S3Location(input.s3Location, context)
+    }),
+    ...(input.stream !== undefined && {
+      stream: serializeAws_restJson1_1_Stream(input.stream, context)
+    })
+  };
 };
 
 const serializeAws_restJson1_1OTAUpdateFile = (
   input: OTAUpdateFile,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.attributes !== undefined) {
-    bodyParams["attributes"] = serializeAws_restJson1_1AttributesMap(
-      input.attributes,
-      context
-    );
-  }
-  if (input.codeSigning !== undefined) {
-    bodyParams["codeSigning"] = serializeAws_restJson1_1CodeSigning(
-      input.codeSigning,
-      context
-    );
-  }
-  if (input.fileLocation !== undefined) {
-    bodyParams["fileLocation"] = serializeAws_restJson1_1FileLocation(
-      input.fileLocation,
-      context
-    );
-  }
-  if (input.fileName !== undefined) {
-    bodyParams["fileName"] = input.fileName;
-  }
-  if (input.fileVersion !== undefined) {
-    bodyParams["fileVersion"] = input.fileVersion;
-  }
-  return bodyParams;
+  return {
+    ...(input.attributes !== undefined && {
+      attributes: serializeAws_restJson1_1AttributesMap(
+        input.attributes,
+        context
+      )
+    }),
+    ...(input.codeSigning !== undefined && {
+      codeSigning: serializeAws_restJson1_1CodeSigning(
+        input.codeSigning,
+        context
+      )
+    }),
+    ...(input.fileLocation !== undefined && {
+      fileLocation: serializeAws_restJson1_1FileLocation(
+        input.fileLocation,
+        context
+      )
+    }),
+    ...(input.fileName !== undefined && { fileName: input.fileName }),
+    ...(input.fileVersion !== undefined && { fileVersion: input.fileVersion })
+  };
 };
 
 const serializeAws_restJson1_1OTAUpdateFiles = (
@@ -33358,70 +33127,58 @@ const serializeAws_restJson1_1S3Destination = (
   input: S3Destination,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.bucket !== undefined) {
-    bodyParams["bucket"] = input.bucket;
-  }
-  if (input.prefix !== undefined) {
-    bodyParams["prefix"] = input.prefix;
-  }
-  return bodyParams;
+  return {
+    ...(input.bucket !== undefined && { bucket: input.bucket }),
+    ...(input.prefix !== undefined && { prefix: input.prefix })
+  };
 };
 
 const serializeAws_restJson1_1SigningProfileParameter = (
   input: SigningProfileParameter,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.certificateArn !== undefined) {
-    bodyParams["certificateArn"] = input.certificateArn;
-  }
-  if (input.certificatePathOnDevice !== undefined) {
-    bodyParams["certificatePathOnDevice"] = input.certificatePathOnDevice;
-  }
-  if (input.platform !== undefined) {
-    bodyParams["platform"] = input.platform;
-  }
-  return bodyParams;
+  return {
+    ...(input.certificateArn !== undefined && {
+      certificateArn: input.certificateArn
+    }),
+    ...(input.certificatePathOnDevice !== undefined && {
+      certificatePathOnDevice: input.certificatePathOnDevice
+    }),
+    ...(input.platform !== undefined && { platform: input.platform })
+  };
 };
 
 const serializeAws_restJson1_1StartSigningJobParameter = (
   input: StartSigningJobParameter,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.destination !== undefined) {
-    bodyParams["destination"] = serializeAws_restJson1_1Destination(
-      input.destination,
-      context
-    );
-  }
-  if (input.signingProfileName !== undefined) {
-    bodyParams["signingProfileName"] = input.signingProfileName;
-  }
-  if (input.signingProfileParameter !== undefined) {
-    bodyParams[
-      "signingProfileParameter"
-    ] = serializeAws_restJson1_1SigningProfileParameter(
-      input.signingProfileParameter,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.destination !== undefined && {
+      destination: serializeAws_restJson1_1Destination(
+        input.destination,
+        context
+      )
+    }),
+    ...(input.signingProfileName !== undefined && {
+      signingProfileName: input.signingProfileName
+    }),
+    ...(input.signingProfileParameter !== undefined && {
+      signingProfileParameter: serializeAws_restJson1_1SigningProfileParameter(
+        input.signingProfileParameter,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1_Stream = (
   input: _Stream,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.fileId !== undefined) {
-    bodyParams["fileId"] = input.fileId;
-  }
-  if (input.streamId !== undefined) {
-    bodyParams["streamId"] = input.streamId;
-  }
-  return bodyParams;
+  return {
+    ...(input.fileId !== undefined && { fileId: input.fileId }),
+    ...(input.streamId !== undefined && { streamId: input.streamId })
+  };
 };
 
 const serializeAws_restJson1_1Targets = (
@@ -33435,17 +33192,12 @@ const serializeAws_restJson1_1AttributePayload = (
   input: AttributePayload,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.attributes !== undefined) {
-    bodyParams["attributes"] = serializeAws_restJson1_1Attributes(
-      input.attributes,
-      context
-    );
-  }
-  if (input.merge !== undefined) {
-    bodyParams["merge"] = input.merge;
-  }
-  return bodyParams;
+  return {
+    ...(input.attributes !== undefined && {
+      attributes: serializeAws_restJson1_1Attributes(input.attributes, context)
+    }),
+    ...(input.merge !== undefined && { merge: input.merge })
+  };
 };
 
 const serializeAws_restJson1_1Attributes = (
@@ -33462,11 +33214,11 @@ const serializeAws_restJson1_1BillingGroupProperties = (
   input: BillingGroupProperties,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.billingGroupDescription !== undefined) {
-    bodyParams["billingGroupDescription"] = input.billingGroupDescription;
-  }
-  return bodyParams;
+  return {
+    ...(input.billingGroupDescription !== undefined && {
+      billingGroupDescription: input.billingGroupDescription
+    })
+  };
 };
 
 const serializeAws_restJson1_1SearchableAttributes = (
@@ -33487,145 +33239,127 @@ const serializeAws_restJson1_1ThingGroupProperties = (
   input: ThingGroupProperties,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.attributePayload !== undefined) {
-    bodyParams["attributePayload"] = serializeAws_restJson1_1AttributePayload(
-      input.attributePayload,
-      context
-    );
-  }
-  if (input.thingGroupDescription !== undefined) {
-    bodyParams["thingGroupDescription"] = input.thingGroupDescription;
-  }
-  return bodyParams;
+  return {
+    ...(input.attributePayload !== undefined && {
+      attributePayload: serializeAws_restJson1_1AttributePayload(
+        input.attributePayload,
+        context
+      )
+    }),
+    ...(input.thingGroupDescription !== undefined && {
+      thingGroupDescription: input.thingGroupDescription
+    })
+  };
 };
 
 const serializeAws_restJson1_1ThingTypeProperties = (
   input: ThingTypeProperties,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.searchableAttributes !== undefined) {
-    bodyParams[
-      "searchableAttributes"
-    ] = serializeAws_restJson1_1SearchableAttributes(
-      input.searchableAttributes,
-      context
-    );
-  }
-  if (input.thingTypeDescription !== undefined) {
-    bodyParams["thingTypeDescription"] = input.thingTypeDescription;
-  }
-  return bodyParams;
+  return {
+    ...(input.searchableAttributes !== undefined && {
+      searchableAttributes: serializeAws_restJson1_1SearchableAttributes(
+        input.searchableAttributes,
+        context
+      )
+    }),
+    ...(input.thingTypeDescription !== undefined && {
+      thingTypeDescription: input.thingTypeDescription
+    })
+  };
 };
 
 const serializeAws_restJson1_1AddThingsToThingGroupParams = (
   input: AddThingsToThingGroupParams,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.overrideDynamicGroups !== undefined) {
-    bodyParams["overrideDynamicGroups"] = input.overrideDynamicGroups;
-  }
-  if (input.thingGroupNames !== undefined) {
-    bodyParams["thingGroupNames"] = serializeAws_restJson1_1ThingGroupNames(
-      input.thingGroupNames,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.overrideDynamicGroups !== undefined && {
+      overrideDynamicGroups: input.overrideDynamicGroups
+    }),
+    ...(input.thingGroupNames !== undefined && {
+      thingGroupNames: serializeAws_restJson1_1ThingGroupNames(
+        input.thingGroupNames,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1EnableIoTLoggingParams = (
   input: EnableIoTLoggingParams,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.logLevel !== undefined) {
-    bodyParams["logLevel"] = input.logLevel;
-  }
-  if (input.roleArnForLogging !== undefined) {
-    bodyParams["roleArnForLogging"] = input.roleArnForLogging;
-  }
-  return bodyParams;
+  return {
+    ...(input.logLevel !== undefined && { logLevel: input.logLevel }),
+    ...(input.roleArnForLogging !== undefined && {
+      roleArnForLogging: input.roleArnForLogging
+    })
+  };
 };
 
 const serializeAws_restJson1_1MitigationActionParams = (
   input: MitigationActionParams,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.addThingsToThingGroupParams !== undefined) {
-    bodyParams[
-      "addThingsToThingGroupParams"
-    ] = serializeAws_restJson1_1AddThingsToThingGroupParams(
-      input.addThingsToThingGroupParams,
-      context
-    );
-  }
-  if (input.enableIoTLoggingParams !== undefined) {
-    bodyParams[
-      "enableIoTLoggingParams"
-    ] = serializeAws_restJson1_1EnableIoTLoggingParams(
-      input.enableIoTLoggingParams,
-      context
-    );
-  }
-  if (input.publishFindingToSnsParams !== undefined) {
-    bodyParams[
-      "publishFindingToSnsParams"
-    ] = serializeAws_restJson1_1PublishFindingToSnsParams(
-      input.publishFindingToSnsParams,
-      context
-    );
-  }
-  if (input.replaceDefaultPolicyVersionParams !== undefined) {
-    bodyParams[
-      "replaceDefaultPolicyVersionParams"
-    ] = serializeAws_restJson1_1ReplaceDefaultPolicyVersionParams(
-      input.replaceDefaultPolicyVersionParams,
-      context
-    );
-  }
-  if (input.updateCACertificateParams !== undefined) {
-    bodyParams[
-      "updateCACertificateParams"
-    ] = serializeAws_restJson1_1UpdateCACertificateParams(
-      input.updateCACertificateParams,
-      context
-    );
-  }
-  if (input.updateDeviceCertificateParams !== undefined) {
-    bodyParams[
-      "updateDeviceCertificateParams"
-    ] = serializeAws_restJson1_1UpdateDeviceCertificateParams(
-      input.updateDeviceCertificateParams,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.addThingsToThingGroupParams !== undefined && {
+      addThingsToThingGroupParams: serializeAws_restJson1_1AddThingsToThingGroupParams(
+        input.addThingsToThingGroupParams,
+        context
+      )
+    }),
+    ...(input.enableIoTLoggingParams !== undefined && {
+      enableIoTLoggingParams: serializeAws_restJson1_1EnableIoTLoggingParams(
+        input.enableIoTLoggingParams,
+        context
+      )
+    }),
+    ...(input.publishFindingToSnsParams !== undefined && {
+      publishFindingToSnsParams: serializeAws_restJson1_1PublishFindingToSnsParams(
+        input.publishFindingToSnsParams,
+        context
+      )
+    }),
+    ...(input.replaceDefaultPolicyVersionParams !== undefined && {
+      replaceDefaultPolicyVersionParams: serializeAws_restJson1_1ReplaceDefaultPolicyVersionParams(
+        input.replaceDefaultPolicyVersionParams,
+        context
+      )
+    }),
+    ...(input.updateCACertificateParams !== undefined && {
+      updateCACertificateParams: serializeAws_restJson1_1UpdateCACertificateParams(
+        input.updateCACertificateParams,
+        context
+      )
+    }),
+    ...(input.updateDeviceCertificateParams !== undefined && {
+      updateDeviceCertificateParams: serializeAws_restJson1_1UpdateDeviceCertificateParams(
+        input.updateDeviceCertificateParams,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1PublishFindingToSnsParams = (
   input: PublishFindingToSnsParams,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.topicArn !== undefined) {
-    bodyParams["topicArn"] = input.topicArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.topicArn !== undefined && { topicArn: input.topicArn })
+  };
 };
 
 const serializeAws_restJson1_1ReplaceDefaultPolicyVersionParams = (
   input: ReplaceDefaultPolicyVersionParams,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.templateName !== undefined) {
-    bodyParams["templateName"] = input.templateName;
-  }
-  return bodyParams;
+  return {
+    ...(input.templateName !== undefined && {
+      templateName: input.templateName
+    })
+  };
 };
 
 const serializeAws_restJson1_1ThingGroupNames = (
@@ -33639,33 +33373,27 @@ const serializeAws_restJson1_1UpdateCACertificateParams = (
   input: UpdateCACertificateParams,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.action !== undefined) {
-    bodyParams["action"] = input.action;
-  }
-  return bodyParams;
+  return {
+    ...(input.action !== undefined && { action: input.action })
+  };
 };
 
 const serializeAws_restJson1_1UpdateDeviceCertificateParams = (
   input: UpdateDeviceCertificateParams,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.action !== undefined) {
-    bodyParams["action"] = input.action;
-  }
-  return bodyParams;
+  return {
+    ...(input.action !== undefined && { action: input.action })
+  };
 };
 
 const serializeAws_restJson1_1AuditCheckConfiguration = (
   input: AuditCheckConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.enabled !== undefined) {
-    bodyParams["enabled"] = input.enabled;
-  }
-  return bodyParams;
+  return {
+    ...(input.enabled !== undefined && { enabled: input.enabled })
+  };
 };
 
 const serializeAws_restJson1_1AuditCheckConfigurations = (
@@ -33711,42 +33439,29 @@ const serializeAws_restJson1_1AuditMitigationActionsTaskTarget = (
   input: AuditMitigationActionsTaskTarget,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.auditCheckToReasonCodeFilter !== undefined) {
-    bodyParams[
-      "auditCheckToReasonCodeFilter"
-    ] = serializeAws_restJson1_1AuditCheckToReasonCodeFilter(
-      input.auditCheckToReasonCodeFilter,
-      context
-    );
-  }
-  if (input.auditTaskId !== undefined) {
-    bodyParams["auditTaskId"] = input.auditTaskId;
-  }
-  if (input.findingIds !== undefined) {
-    bodyParams["findingIds"] = serializeAws_restJson1_1FindingIds(
-      input.findingIds,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.auditCheckToReasonCodeFilter !== undefined && {
+      auditCheckToReasonCodeFilter: serializeAws_restJson1_1AuditCheckToReasonCodeFilter(
+        input.auditCheckToReasonCodeFilter,
+        context
+      )
+    }),
+    ...(input.auditTaskId !== undefined && { auditTaskId: input.auditTaskId }),
+    ...(input.findingIds !== undefined && {
+      findingIds: serializeAws_restJson1_1FindingIds(input.findingIds, context)
+    })
+  };
 };
 
 const serializeAws_restJson1_1AuditNotificationTarget = (
   input: AuditNotificationTarget,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.enabled !== undefined) {
-    bodyParams["enabled"] = input.enabled;
-  }
-  if (input.roleArn !== undefined) {
-    bodyParams["roleArn"] = input.roleArn;
-  }
-  if (input.targetArn !== undefined) {
-    bodyParams["targetArn"] = input.targetArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.enabled !== undefined && { enabled: input.enabled }),
+    ...(input.roleArn !== undefined && { roleArn: input.roleArn }),
+    ...(input.targetArn !== undefined && { targetArn: input.targetArn })
+  };
 };
 
 const serializeAws_restJson1_1AuditNotificationTargetConfigurations = (
@@ -33780,14 +33495,12 @@ const serializeAws_restJson1_1PolicyVersionIdentifier = (
   input: PolicyVersionIdentifier,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.policyName !== undefined) {
-    bodyParams["policyName"] = input.policyName;
-  }
-  if (input.policyVersionId !== undefined) {
-    bodyParams["policyVersionId"] = input.policyVersionId;
-  }
-  return bodyParams;
+  return {
+    ...(input.policyName !== undefined && { policyName: input.policyName }),
+    ...(input.policyVersionId !== undefined && {
+      policyVersionId: input.policyVersionId
+    })
+  };
 };
 
 const serializeAws_restJson1_1ReasonForNonComplianceCodes = (
@@ -33801,37 +33514,29 @@ const serializeAws_restJson1_1ResourceIdentifier = (
   input: ResourceIdentifier,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.account !== undefined) {
-    bodyParams["account"] = input.account;
-  }
-  if (input.caCertificateId !== undefined) {
-    bodyParams["caCertificateId"] = input.caCertificateId;
-  }
-  if (input.clientId !== undefined) {
-    bodyParams["clientId"] = input.clientId;
-  }
-  if (input.cognitoIdentityPoolId !== undefined) {
-    bodyParams["cognitoIdentityPoolId"] = input.cognitoIdentityPoolId;
-  }
-  if (input.deviceCertificateId !== undefined) {
-    bodyParams["deviceCertificateId"] = input.deviceCertificateId;
-  }
-  if (input.iamRoleArn !== undefined) {
-    bodyParams["iamRoleArn"] = input.iamRoleArn;
-  }
-  if (input.policyVersionIdentifier !== undefined) {
-    bodyParams[
-      "policyVersionIdentifier"
-    ] = serializeAws_restJson1_1PolicyVersionIdentifier(
-      input.policyVersionIdentifier,
-      context
-    );
-  }
-  if (input.roleAliasArn !== undefined) {
-    bodyParams["roleAliasArn"] = input.roleAliasArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.account !== undefined && { account: input.account }),
+    ...(input.caCertificateId !== undefined && {
+      caCertificateId: input.caCertificateId
+    }),
+    ...(input.clientId !== undefined && { clientId: input.clientId }),
+    ...(input.cognitoIdentityPoolId !== undefined && {
+      cognitoIdentityPoolId: input.cognitoIdentityPoolId
+    }),
+    ...(input.deviceCertificateId !== undefined && {
+      deviceCertificateId: input.deviceCertificateId
+    }),
+    ...(input.iamRoleArn !== undefined && { iamRoleArn: input.iamRoleArn }),
+    ...(input.policyVersionIdentifier !== undefined && {
+      policyVersionIdentifier: serializeAws_restJson1_1PolicyVersionIdentifier(
+        input.policyVersionIdentifier,
+        context
+      )
+    }),
+    ...(input.roleAliasArn !== undefined && {
+      roleAliasArn: input.roleAliasArn
+    })
+  };
 };
 
 const serializeAws_restJson1_1TargetAuditCheckNames = (
@@ -33852,14 +33557,12 @@ const serializeAws_restJson1_1AlertTarget = (
   input: AlertTarget,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.alertTargetArn !== undefined) {
-    bodyParams["alertTargetArn"] = input.alertTargetArn;
-  }
-  if (input.roleArn !== undefined) {
-    bodyParams["roleArn"] = input.roleArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.alertTargetArn !== undefined && {
+      alertTargetArn: input.alertTargetArn
+    }),
+    ...(input.roleArn !== undefined && { roleArn: input.roleArn })
+  };
 };
 
 const serializeAws_restJson1_1AlertTargets = (
@@ -33876,56 +33579,45 @@ const serializeAws_restJson1_1Behavior = (
   input: Behavior,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.criteria !== undefined) {
-    bodyParams["criteria"] = serializeAws_restJson1_1BehaviorCriteria(
-      input.criteria,
-      context
-    );
-  }
-  if (input.metric !== undefined) {
-    bodyParams["metric"] = input.metric;
-  }
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  return bodyParams;
+  return {
+    ...(input.criteria !== undefined && {
+      criteria: serializeAws_restJson1_1BehaviorCriteria(
+        input.criteria,
+        context
+      )
+    }),
+    ...(input.metric !== undefined && { metric: input.metric }),
+    ...(input.name !== undefined && { name: input.name })
+  };
 };
 
 const serializeAws_restJson1_1BehaviorCriteria = (
   input: BehaviorCriteria,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.comparisonOperator !== undefined) {
-    bodyParams["comparisonOperator"] = input.comparisonOperator;
-  }
-  if (input.consecutiveDatapointsToAlarm !== undefined) {
-    bodyParams["consecutiveDatapointsToAlarm"] =
-      input.consecutiveDatapointsToAlarm;
-  }
-  if (input.consecutiveDatapointsToClear !== undefined) {
-    bodyParams["consecutiveDatapointsToClear"] =
-      input.consecutiveDatapointsToClear;
-  }
-  if (input.durationSeconds !== undefined) {
-    bodyParams["durationSeconds"] = input.durationSeconds;
-  }
-  if (input.statisticalThreshold !== undefined) {
-    bodyParams[
-      "statisticalThreshold"
-    ] = serializeAws_restJson1_1StatisticalThreshold(
-      input.statisticalThreshold,
-      context
-    );
-  }
-  if (input.value !== undefined) {
-    bodyParams["value"] = serializeAws_restJson1_1MetricValue(
-      input.value,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.comparisonOperator !== undefined && {
+      comparisonOperator: input.comparisonOperator
+    }),
+    ...(input.consecutiveDatapointsToAlarm !== undefined && {
+      consecutiveDatapointsToAlarm: input.consecutiveDatapointsToAlarm
+    }),
+    ...(input.consecutiveDatapointsToClear !== undefined && {
+      consecutiveDatapointsToClear: input.consecutiveDatapointsToClear
+    }),
+    ...(input.durationSeconds !== undefined && {
+      durationSeconds: input.durationSeconds
+    }),
+    ...(input.statisticalThreshold !== undefined && {
+      statisticalThreshold: serializeAws_restJson1_1StatisticalThreshold(
+        input.statisticalThreshold,
+        context
+      )
+    }),
+    ...(input.value !== undefined && {
+      value: serializeAws_restJson1_1MetricValue(input.value, context)
+    })
+  };
 };
 
 const serializeAws_restJson1_1Behaviors = (
@@ -33946,17 +33638,15 @@ const serializeAws_restJson1_1MetricValue = (
   input: MetricValue,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.cidrs !== undefined) {
-    bodyParams["cidrs"] = serializeAws_restJson1_1Cidrs(input.cidrs, context);
-  }
-  if (input.count !== undefined) {
-    bodyParams["count"] = input.count;
-  }
-  if (input.ports !== undefined) {
-    bodyParams["ports"] = serializeAws_restJson1_1Ports(input.ports, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.cidrs !== undefined && {
+      cidrs: serializeAws_restJson1_1Cidrs(input.cidrs, context)
+    }),
+    ...(input.count !== undefined && { count: input.count }),
+    ...(input.ports !== undefined && {
+      ports: serializeAws_restJson1_1Ports(input.ports, context)
+    })
+  };
 };
 
 const serializeAws_restJson1_1Ports = (
@@ -33970,28 +33660,21 @@ const serializeAws_restJson1_1StatisticalThreshold = (
   input: StatisticalThreshold,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.statistic !== undefined) {
-    bodyParams["statistic"] = input.statistic;
-  }
-  return bodyParams;
+  return {
+    ...(input.statistic !== undefined && { statistic: input.statistic })
+  };
 };
 
 const serializeAws_restJson1_1StreamFile = (
   input: StreamFile,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.fileId !== undefined) {
-    bodyParams["fileId"] = input.fileId;
-  }
-  if (input.s3Location !== undefined) {
-    bodyParams["s3Location"] = serializeAws_restJson1_1S3Location(
-      input.s3Location,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.fileId !== undefined && { fileId: input.fileId }),
+    ...(input.s3Location !== undefined && {
+      s3Location: serializeAws_restJson1_1S3Location(input.s3Location, context)
+    })
+  };
 };
 
 const serializeAws_restJson1_1StreamFiles = (
@@ -34005,17 +33688,11 @@ const serializeAws_restJson1_1S3Location = (
   input: S3Location,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.bucket !== undefined) {
-    bodyParams["bucket"] = input.bucket;
-  }
-  if (input.key !== undefined) {
-    bodyParams["key"] = input.key;
-  }
-  if (input.version !== undefined) {
-    bodyParams["version"] = input.version;
-  }
-  return bodyParams;
+  return {
+    ...(input.bucket !== undefined && { bucket: input.bucket }),
+    ...(input.key !== undefined && { key: input.key }),
+    ...(input.version !== undefined && { version: input.version })
+  };
 };
 
 const deserializeAws_restJson1_1Configuration = (
diff --git a/clients/client-iotanalytics/protocols/Aws_restJson1_1.ts b/clients/client-iotanalytics/protocols/Aws_restJson1_1.ts
index d0b025bf1222..e50fa29ee0d2 100644
--- a/clients/client-iotanalytics/protocols/Aws_restJson1_1.ts
+++ b/clients/client-iotanalytics/protocols/Aws_restJson1_1.ts
@@ -5329,20 +5329,16 @@ const serializeAws_restJson1_1AddAttributesActivity = (
   input: AddAttributesActivity,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.attributes !== undefined) {
-    bodyParams["attributes"] = serializeAws_restJson1_1AttributeNameMapping(
-      input.attributes,
-      context
-    );
-  }
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  if (input.next !== undefined) {
-    bodyParams["next"] = input.next;
-  }
-  return bodyParams;
+  return {
+    ...(input.attributes !== undefined && {
+      attributes: serializeAws_restJson1_1AttributeNameMapping(
+        input.attributes,
+        context
+      )
+    }),
+    ...(input.name !== undefined && { name: input.name }),
+    ...(input.next !== undefined && { next: input.next })
+  };
 };
 
 const serializeAws_restJson1_1AttributeNameMapping = (
@@ -5366,128 +5362,95 @@ const serializeAws_restJson1_1ChannelActivity = (
   input: ChannelActivity,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.channelName !== undefined) {
-    bodyParams["channelName"] = input.channelName;
-  }
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  if (input.next !== undefined) {
-    bodyParams["next"] = input.next;
-  }
-  return bodyParams;
+  return {
+    ...(input.channelName !== undefined && { channelName: input.channelName }),
+    ...(input.name !== undefined && { name: input.name }),
+    ...(input.next !== undefined && { next: input.next })
+  };
 };
 
 const serializeAws_restJson1_1ChannelStorage = (
   input: ChannelStorage,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.customerManagedS3 !== undefined) {
-    bodyParams[
-      "customerManagedS3"
-    ] = serializeAws_restJson1_1CustomerManagedChannelS3Storage(
-      input.customerManagedS3,
-      context
-    );
-  }
-  if (input.serviceManagedS3 !== undefined) {
-    bodyParams[
-      "serviceManagedS3"
-    ] = serializeAws_restJson1_1ServiceManagedChannelS3Storage(
-      input.serviceManagedS3,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.customerManagedS3 !== undefined && {
+      customerManagedS3: serializeAws_restJson1_1CustomerManagedChannelS3Storage(
+        input.customerManagedS3,
+        context
+      )
+    }),
+    ...(input.serviceManagedS3 !== undefined && {
+      serviceManagedS3: serializeAws_restJson1_1ServiceManagedChannelS3Storage(
+        input.serviceManagedS3,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1ContainerDatasetAction = (
   input: ContainerDatasetAction,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.executionRoleArn !== undefined) {
-    bodyParams["executionRoleArn"] = input.executionRoleArn;
-  }
-  if (input.image !== undefined) {
-    bodyParams["image"] = input.image;
-  }
-  if (input.resourceConfiguration !== undefined) {
-    bodyParams[
-      "resourceConfiguration"
-    ] = serializeAws_restJson1_1ResourceConfiguration(
-      input.resourceConfiguration,
-      context
-    );
-  }
-  if (input.variables !== undefined) {
-    bodyParams["variables"] = serializeAws_restJson1_1Variables(
-      input.variables,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.executionRoleArn !== undefined && {
+      executionRoleArn: input.executionRoleArn
+    }),
+    ...(input.image !== undefined && { image: input.image }),
+    ...(input.resourceConfiguration !== undefined && {
+      resourceConfiguration: serializeAws_restJson1_1ResourceConfiguration(
+        input.resourceConfiguration,
+        context
+      )
+    }),
+    ...(input.variables !== undefined && {
+      variables: serializeAws_restJson1_1Variables(input.variables, context)
+    })
+  };
 };
 
 const serializeAws_restJson1_1CustomerManagedChannelS3Storage = (
   input: CustomerManagedChannelS3Storage,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.bucket !== undefined) {
-    bodyParams["bucket"] = input.bucket;
-  }
-  if (input.keyPrefix !== undefined) {
-    bodyParams["keyPrefix"] = input.keyPrefix;
-  }
-  if (input.roleArn !== undefined) {
-    bodyParams["roleArn"] = input.roleArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.bucket !== undefined && { bucket: input.bucket }),
+    ...(input.keyPrefix !== undefined && { keyPrefix: input.keyPrefix }),
+    ...(input.roleArn !== undefined && { roleArn: input.roleArn })
+  };
 };
 
 const serializeAws_restJson1_1CustomerManagedDatastoreS3Storage = (
   input: CustomerManagedDatastoreS3Storage,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.bucket !== undefined) {
-    bodyParams["bucket"] = input.bucket;
-  }
-  if (input.keyPrefix !== undefined) {
-    bodyParams["keyPrefix"] = input.keyPrefix;
-  }
-  if (input.roleArn !== undefined) {
-    bodyParams["roleArn"] = input.roleArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.bucket !== undefined && { bucket: input.bucket }),
+    ...(input.keyPrefix !== undefined && { keyPrefix: input.keyPrefix }),
+    ...(input.roleArn !== undefined && { roleArn: input.roleArn })
+  };
 };
 
 const serializeAws_restJson1_1DatasetAction = (
   input: DatasetAction,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.actionName !== undefined) {
-    bodyParams["actionName"] = input.actionName;
-  }
-  if (input.containerAction !== undefined) {
-    bodyParams[
-      "containerAction"
-    ] = serializeAws_restJson1_1ContainerDatasetAction(
-      input.containerAction,
-      context
-    );
-  }
-  if (input.queryAction !== undefined) {
-    bodyParams["queryAction"] = serializeAws_restJson1_1SqlQueryDatasetAction(
-      input.queryAction,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.actionName !== undefined && { actionName: input.actionName }),
+    ...(input.containerAction !== undefined && {
+      containerAction: serializeAws_restJson1_1ContainerDatasetAction(
+        input.containerAction,
+        context
+      )
+    }),
+    ...(input.queryAction !== undefined && {
+      queryAction: serializeAws_restJson1_1SqlQueryDatasetAction(
+        input.queryAction,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1DatasetActions = (
@@ -5503,43 +5466,35 @@ const serializeAws_restJson1_1DatasetContentDeliveryDestination = (
   input: DatasetContentDeliveryDestination,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.iotEventsDestinationConfiguration !== undefined) {
-    bodyParams[
-      "iotEventsDestinationConfiguration"
-    ] = serializeAws_restJson1_1IotEventsDestinationConfiguration(
-      input.iotEventsDestinationConfiguration,
-      context
-    );
-  }
-  if (input.s3DestinationConfiguration !== undefined) {
-    bodyParams[
-      "s3DestinationConfiguration"
-    ] = serializeAws_restJson1_1S3DestinationConfiguration(
-      input.s3DestinationConfiguration,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.iotEventsDestinationConfiguration !== undefined && {
+      iotEventsDestinationConfiguration: serializeAws_restJson1_1IotEventsDestinationConfiguration(
+        input.iotEventsDestinationConfiguration,
+        context
+      )
+    }),
+    ...(input.s3DestinationConfiguration !== undefined && {
+      s3DestinationConfiguration: serializeAws_restJson1_1S3DestinationConfiguration(
+        input.s3DestinationConfiguration,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1DatasetContentDeliveryRule = (
   input: DatasetContentDeliveryRule,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.destination !== undefined) {
-    bodyParams[
-      "destination"
-    ] = serializeAws_restJson1_1DatasetContentDeliveryDestination(
-      input.destination,
-      context
-    );
-  }
-  if (input.entryName !== undefined) {
-    bodyParams["entryName"] = input.entryName;
-  }
-  return bodyParams;
+  return {
+    ...(input.destination !== undefined && {
+      destination: serializeAws_restJson1_1DatasetContentDeliveryDestination(
+        input.destination,
+        context
+      )
+    }),
+    ...(input.entryName !== undefined && { entryName: input.entryName })
+  };
 };
 
 const serializeAws_restJson1_1DatasetContentDeliveryRules = (
@@ -5555,31 +5510,23 @@ const serializeAws_restJson1_1DatasetContentVersionValue = (
   input: DatasetContentVersionValue,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.datasetName !== undefined) {
-    bodyParams["datasetName"] = input.datasetName;
-  }
-  return bodyParams;
+  return {
+    ...(input.datasetName !== undefined && { datasetName: input.datasetName })
+  };
 };
 
 const serializeAws_restJson1_1DatasetTrigger = (
   input: DatasetTrigger,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.dataset !== undefined) {
-    bodyParams["dataset"] = serializeAws_restJson1_1TriggeringDataset(
-      input.dataset,
-      context
-    );
-  }
-  if (input.schedule !== undefined) {
-    bodyParams["schedule"] = serializeAws_restJson1_1Schedule(
-      input.schedule,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.dataset !== undefined && {
+      dataset: serializeAws_restJson1_1TriggeringDataset(input.dataset, context)
+    }),
+    ...(input.schedule !== undefined && {
+      schedule: serializeAws_restJson1_1Schedule(input.schedule, context)
+    })
+  };
 };
 
 const serializeAws_restJson1_1DatasetTriggers = (
@@ -5595,200 +5542,140 @@ const serializeAws_restJson1_1DatastoreActivity = (
   input: DatastoreActivity,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.datastoreName !== undefined) {
-    bodyParams["datastoreName"] = input.datastoreName;
-  }
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  return bodyParams;
+  return {
+    ...(input.datastoreName !== undefined && {
+      datastoreName: input.datastoreName
+    }),
+    ...(input.name !== undefined && { name: input.name })
+  };
 };
 
 const serializeAws_restJson1_1DatastoreStorage = (
   input: DatastoreStorage,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.customerManagedS3 !== undefined) {
-    bodyParams[
-      "customerManagedS3"
-    ] = serializeAws_restJson1_1CustomerManagedDatastoreS3Storage(
-      input.customerManagedS3,
-      context
-    );
-  }
-  if (input.serviceManagedS3 !== undefined) {
-    bodyParams[
-      "serviceManagedS3"
-    ] = serializeAws_restJson1_1ServiceManagedDatastoreS3Storage(
-      input.serviceManagedS3,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.customerManagedS3 !== undefined && {
+      customerManagedS3: serializeAws_restJson1_1CustomerManagedDatastoreS3Storage(
+        input.customerManagedS3,
+        context
+      )
+    }),
+    ...(input.serviceManagedS3 !== undefined && {
+      serviceManagedS3: serializeAws_restJson1_1ServiceManagedDatastoreS3Storage(
+        input.serviceManagedS3,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1DeltaTime = (
   input: DeltaTime,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.offsetSeconds !== undefined) {
-    bodyParams["offsetSeconds"] = input.offsetSeconds;
-  }
-  if (input.timeExpression !== undefined) {
-    bodyParams["timeExpression"] = input.timeExpression;
-  }
-  return bodyParams;
+  return {
+    ...(input.offsetSeconds !== undefined && {
+      offsetSeconds: input.offsetSeconds
+    }),
+    ...(input.timeExpression !== undefined && {
+      timeExpression: input.timeExpression
+    })
+  };
 };
 
 const serializeAws_restJson1_1DeviceRegistryEnrichActivity = (
   input: DeviceRegistryEnrichActivity,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.attribute !== undefined) {
-    bodyParams["attribute"] = input.attribute;
-  }
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  if (input.next !== undefined) {
-    bodyParams["next"] = input.next;
-  }
-  if (input.roleArn !== undefined) {
-    bodyParams["roleArn"] = input.roleArn;
-  }
-  if (input.thingName !== undefined) {
-    bodyParams["thingName"] = input.thingName;
-  }
-  return bodyParams;
+  return {
+    ...(input.attribute !== undefined && { attribute: input.attribute }),
+    ...(input.name !== undefined && { name: input.name }),
+    ...(input.next !== undefined && { next: input.next }),
+    ...(input.roleArn !== undefined && { roleArn: input.roleArn }),
+    ...(input.thingName !== undefined && { thingName: input.thingName })
+  };
 };
 
 const serializeAws_restJson1_1DeviceShadowEnrichActivity = (
   input: DeviceShadowEnrichActivity,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.attribute !== undefined) {
-    bodyParams["attribute"] = input.attribute;
-  }
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  if (input.next !== undefined) {
-    bodyParams["next"] = input.next;
-  }
-  if (input.roleArn !== undefined) {
-    bodyParams["roleArn"] = input.roleArn;
-  }
-  if (input.thingName !== undefined) {
-    bodyParams["thingName"] = input.thingName;
-  }
-  return bodyParams;
+  return {
+    ...(input.attribute !== undefined && { attribute: input.attribute }),
+    ...(input.name !== undefined && { name: input.name }),
+    ...(input.next !== undefined && { next: input.next }),
+    ...(input.roleArn !== undefined && { roleArn: input.roleArn }),
+    ...(input.thingName !== undefined && { thingName: input.thingName })
+  };
 };
 
 const serializeAws_restJson1_1FilterActivity = (
   input: FilterActivity,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.filter !== undefined) {
-    bodyParams["filter"] = input.filter;
-  }
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  if (input.next !== undefined) {
-    bodyParams["next"] = input.next;
-  }
-  return bodyParams;
+  return {
+    ...(input.filter !== undefined && { filter: input.filter }),
+    ...(input.name !== undefined && { name: input.name }),
+    ...(input.next !== undefined && { next: input.next })
+  };
 };
 
 const serializeAws_restJson1_1GlueConfiguration = (
   input: GlueConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.databaseName !== undefined) {
-    bodyParams["databaseName"] = input.databaseName;
-  }
-  if (input.tableName !== undefined) {
-    bodyParams["tableName"] = input.tableName;
-  }
-  return bodyParams;
+  return {
+    ...(input.databaseName !== undefined && {
+      databaseName: input.databaseName
+    }),
+    ...(input.tableName !== undefined && { tableName: input.tableName })
+  };
 };
 
 const serializeAws_restJson1_1IotEventsDestinationConfiguration = (
   input: IotEventsDestinationConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.inputName !== undefined) {
-    bodyParams["inputName"] = input.inputName;
-  }
-  if (input.roleArn !== undefined) {
-    bodyParams["roleArn"] = input.roleArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.inputName !== undefined && { inputName: input.inputName }),
+    ...(input.roleArn !== undefined && { roleArn: input.roleArn })
+  };
 };
 
 const serializeAws_restJson1_1LambdaActivity = (
   input: LambdaActivity,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.batchSize !== undefined) {
-    bodyParams["batchSize"] = input.batchSize;
-  }
-  if (input.lambdaName !== undefined) {
-    bodyParams["lambdaName"] = input.lambdaName;
-  }
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  if (input.next !== undefined) {
-    bodyParams["next"] = input.next;
-  }
-  return bodyParams;
+  return {
+    ...(input.batchSize !== undefined && { batchSize: input.batchSize }),
+    ...(input.lambdaName !== undefined && { lambdaName: input.lambdaName }),
+    ...(input.name !== undefined && { name: input.name }),
+    ...(input.next !== undefined && { next: input.next })
+  };
 };
 
 const serializeAws_restJson1_1LoggingOptions = (
   input: LoggingOptions,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.enabled !== undefined) {
-    bodyParams["enabled"] = input.enabled;
-  }
-  if (input.level !== undefined) {
-    bodyParams["level"] = input.level;
-  }
-  if (input.roleArn !== undefined) {
-    bodyParams["roleArn"] = input.roleArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.enabled !== undefined && { enabled: input.enabled }),
+    ...(input.level !== undefined && { level: input.level }),
+    ...(input.roleArn !== undefined && { roleArn: input.roleArn })
+  };
 };
 
 const serializeAws_restJson1_1MathActivity = (
   input: MathActivity,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.attribute !== undefined) {
-    bodyParams["attribute"] = input.attribute;
-  }
-  if (input.math !== undefined) {
-    bodyParams["math"] = input.math;
-  }
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  if (input.next !== undefined) {
-    bodyParams["next"] = input.next;
-  }
-  return bodyParams;
+  return {
+    ...(input.attribute !== undefined && { attribute: input.attribute }),
+    ...(input.math !== undefined && { math: input.math }),
+    ...(input.name !== undefined && { name: input.name }),
+    ...(input.next !== undefined && { next: input.next })
+  };
 };
 
 const serializeAws_restJson1_1MessagePayloads = (
@@ -5802,11 +5689,9 @@ const serializeAws_restJson1_1OutputFileUriValue = (
   input: OutputFileUriValue,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.fileName !== undefined) {
-    bodyParams["fileName"] = input.fileName;
-  }
-  return bodyParams;
+  return {
+    ...(input.fileName !== undefined && { fileName: input.fileName })
+  };
 };
 
 const serializeAws_restJson1_1PipelineActivities = (
@@ -5822,90 +5707,67 @@ const serializeAws_restJson1_1PipelineActivity = (
   input: PipelineActivity,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.addAttributes !== undefined) {
-    bodyParams["addAttributes"] = serializeAws_restJson1_1AddAttributesActivity(
-      input.addAttributes,
-      context
-    );
-  }
-  if (input.channel !== undefined) {
-    bodyParams["channel"] = serializeAws_restJson1_1ChannelActivity(
-      input.channel,
-      context
-    );
-  }
-  if (input.datastore !== undefined) {
-    bodyParams["datastore"] = serializeAws_restJson1_1DatastoreActivity(
-      input.datastore,
-      context
-    );
-  }
-  if (input.deviceRegistryEnrich !== undefined) {
-    bodyParams[
-      "deviceRegistryEnrich"
-    ] = serializeAws_restJson1_1DeviceRegistryEnrichActivity(
-      input.deviceRegistryEnrich,
-      context
-    );
-  }
-  if (input.deviceShadowEnrich !== undefined) {
-    bodyParams[
-      "deviceShadowEnrich"
-    ] = serializeAws_restJson1_1DeviceShadowEnrichActivity(
-      input.deviceShadowEnrich,
-      context
-    );
-  }
-  if (input.filter !== undefined) {
-    bodyParams["filter"] = serializeAws_restJson1_1FilterActivity(
-      input.filter,
-      context
-    );
-  }
-  if (input.lambda !== undefined) {
-    bodyParams["lambda"] = serializeAws_restJson1_1LambdaActivity(
-      input.lambda,
-      context
-    );
-  }
-  if (input.math !== undefined) {
-    bodyParams["math"] = serializeAws_restJson1_1MathActivity(
-      input.math,
-      context
-    );
-  }
-  if (input.removeAttributes !== undefined) {
-    bodyParams[
-      "removeAttributes"
-    ] = serializeAws_restJson1_1RemoveAttributesActivity(
-      input.removeAttributes,
-      context
-    );
-  }
-  if (input.selectAttributes !== undefined) {
-    bodyParams[
-      "selectAttributes"
-    ] = serializeAws_restJson1_1SelectAttributesActivity(
-      input.selectAttributes,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.addAttributes !== undefined && {
+      addAttributes: serializeAws_restJson1_1AddAttributesActivity(
+        input.addAttributes,
+        context
+      )
+    }),
+    ...(input.channel !== undefined && {
+      channel: serializeAws_restJson1_1ChannelActivity(input.channel, context)
+    }),
+    ...(input.datastore !== undefined && {
+      datastore: serializeAws_restJson1_1DatastoreActivity(
+        input.datastore,
+        context
+      )
+    }),
+    ...(input.deviceRegistryEnrich !== undefined && {
+      deviceRegistryEnrich: serializeAws_restJson1_1DeviceRegistryEnrichActivity(
+        input.deviceRegistryEnrich,
+        context
+      )
+    }),
+    ...(input.deviceShadowEnrich !== undefined && {
+      deviceShadowEnrich: serializeAws_restJson1_1DeviceShadowEnrichActivity(
+        input.deviceShadowEnrich,
+        context
+      )
+    }),
+    ...(input.filter !== undefined && {
+      filter: serializeAws_restJson1_1FilterActivity(input.filter, context)
+    }),
+    ...(input.lambda !== undefined && {
+      lambda: serializeAws_restJson1_1LambdaActivity(input.lambda, context)
+    }),
+    ...(input.math !== undefined && {
+      math: serializeAws_restJson1_1MathActivity(input.math, context)
+    }),
+    ...(input.removeAttributes !== undefined && {
+      removeAttributes: serializeAws_restJson1_1RemoveAttributesActivity(
+        input.removeAttributes,
+        context
+      )
+    }),
+    ...(input.selectAttributes !== undefined && {
+      selectAttributes: serializeAws_restJson1_1SelectAttributesActivity(
+        input.selectAttributes,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1QueryFilter = (
   input: QueryFilter,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.deltaTime !== undefined) {
-    bodyParams["deltaTime"] = serializeAws_restJson1_1DeltaTime(
-      input.deltaTime,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.deltaTime !== undefined && {
+      deltaTime: serializeAws_restJson1_1DeltaTime(input.deltaTime, context)
+    })
+  };
 };
 
 const serializeAws_restJson1_1QueryFilters = (
@@ -5921,149 +5783,118 @@ const serializeAws_restJson1_1RemoveAttributesActivity = (
   input: RemoveAttributesActivity,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.attributes !== undefined) {
-    bodyParams["attributes"] = serializeAws_restJson1_1AttributeNames(
-      input.attributes,
-      context
-    );
-  }
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  if (input.next !== undefined) {
-    bodyParams["next"] = input.next;
-  }
-  return bodyParams;
+  return {
+    ...(input.attributes !== undefined && {
+      attributes: serializeAws_restJson1_1AttributeNames(
+        input.attributes,
+        context
+      )
+    }),
+    ...(input.name !== undefined && { name: input.name }),
+    ...(input.next !== undefined && { next: input.next })
+  };
 };
 
 const serializeAws_restJson1_1ResourceConfiguration = (
   input: ResourceConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.computeType !== undefined) {
-    bodyParams["computeType"] = input.computeType;
-  }
-  if (input.volumeSizeInGB !== undefined) {
-    bodyParams["volumeSizeInGB"] = input.volumeSizeInGB;
-  }
-  return bodyParams;
+  return {
+    ...(input.computeType !== undefined && { computeType: input.computeType }),
+    ...(input.volumeSizeInGB !== undefined && {
+      volumeSizeInGB: input.volumeSizeInGB
+    })
+  };
 };
 
 const serializeAws_restJson1_1RetentionPeriod = (
   input: RetentionPeriod,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.numberOfDays !== undefined) {
-    bodyParams["numberOfDays"] = input.numberOfDays;
-  }
-  if (input.unlimited !== undefined) {
-    bodyParams["unlimited"] = input.unlimited;
-  }
-  return bodyParams;
+  return {
+    ...(input.numberOfDays !== undefined && {
+      numberOfDays: input.numberOfDays
+    }),
+    ...(input.unlimited !== undefined && { unlimited: input.unlimited })
+  };
 };
 
 const serializeAws_restJson1_1S3DestinationConfiguration = (
   input: S3DestinationConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.bucket !== undefined) {
-    bodyParams["bucket"] = input.bucket;
-  }
-  if (input.glueConfiguration !== undefined) {
-    bodyParams["glueConfiguration"] = serializeAws_restJson1_1GlueConfiguration(
-      input.glueConfiguration,
-      context
-    );
-  }
-  if (input.key !== undefined) {
-    bodyParams["key"] = input.key;
-  }
-  if (input.roleArn !== undefined) {
-    bodyParams["roleArn"] = input.roleArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.bucket !== undefined && { bucket: input.bucket }),
+    ...(input.glueConfiguration !== undefined && {
+      glueConfiguration: serializeAws_restJson1_1GlueConfiguration(
+        input.glueConfiguration,
+        context
+      )
+    }),
+    ...(input.key !== undefined && { key: input.key }),
+    ...(input.roleArn !== undefined && { roleArn: input.roleArn })
+  };
 };
 
 const serializeAws_restJson1_1Schedule = (
   input: Schedule,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.expression !== undefined) {
-    bodyParams["expression"] = input.expression;
-  }
-  return bodyParams;
+  return {
+    ...(input.expression !== undefined && { expression: input.expression })
+  };
 };
 
 const serializeAws_restJson1_1SelectAttributesActivity = (
   input: SelectAttributesActivity,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.attributes !== undefined) {
-    bodyParams["attributes"] = serializeAws_restJson1_1AttributeNames(
-      input.attributes,
-      context
-    );
-  }
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  if (input.next !== undefined) {
-    bodyParams["next"] = input.next;
-  }
-  return bodyParams;
+  return {
+    ...(input.attributes !== undefined && {
+      attributes: serializeAws_restJson1_1AttributeNames(
+        input.attributes,
+        context
+      )
+    }),
+    ...(input.name !== undefined && { name: input.name }),
+    ...(input.next !== undefined && { next: input.next })
+  };
 };
 
 const serializeAws_restJson1_1ServiceManagedChannelS3Storage = (
   input: ServiceManagedChannelS3Storage,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  return bodyParams;
+  return {};
 };
 
 const serializeAws_restJson1_1ServiceManagedDatastoreS3Storage = (
   input: ServiceManagedDatastoreS3Storage,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  return bodyParams;
+  return {};
 };
 
 const serializeAws_restJson1_1SqlQueryDatasetAction = (
   input: SqlQueryDatasetAction,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.filters !== undefined) {
-    bodyParams["filters"] = serializeAws_restJson1_1QueryFilters(
-      input.filters,
-      context
-    );
-  }
-  if (input.sqlQuery !== undefined) {
-    bodyParams["sqlQuery"] = input.sqlQuery;
-  }
-  return bodyParams;
+  return {
+    ...(input.filters !== undefined && {
+      filters: serializeAws_restJson1_1QueryFilters(input.filters, context)
+    }),
+    ...(input.sqlQuery !== undefined && { sqlQuery: input.sqlQuery })
+  };
 };
 
 const serializeAws_restJson1_1Tag = (
   input: Tag,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.key !== undefined) {
-    bodyParams["key"] = input.key;
-  }
-  if (input.value !== undefined) {
-    bodyParams["value"] = input.value;
-  }
-  return bodyParams;
+  return {
+    ...(input.key !== undefined && { key: input.key }),
+    ...(input.value !== undefined && { value: input.value })
+  };
 };
 
 const serializeAws_restJson1_1TagList = (
@@ -6077,44 +5908,32 @@ const serializeAws_restJson1_1TriggeringDataset = (
   input: TriggeringDataset,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  return bodyParams;
+  return {
+    ...(input.name !== undefined && { name: input.name })
+  };
 };
 
 const serializeAws_restJson1_1Variable = (
   input: Variable,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.datasetContentVersionValue !== undefined) {
-    bodyParams[
-      "datasetContentVersionValue"
-    ] = serializeAws_restJson1_1DatasetContentVersionValue(
-      input.datasetContentVersionValue,
-      context
-    );
-  }
-  if (input.doubleValue !== undefined) {
-    bodyParams["doubleValue"] = input.doubleValue;
-  }
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  if (input.outputFileUriValue !== undefined) {
-    bodyParams[
-      "outputFileUriValue"
-    ] = serializeAws_restJson1_1OutputFileUriValue(
-      input.outputFileUriValue,
-      context
-    );
-  }
-  if (input.stringValue !== undefined) {
-    bodyParams["stringValue"] = input.stringValue;
-  }
-  return bodyParams;
+  return {
+    ...(input.datasetContentVersionValue !== undefined && {
+      datasetContentVersionValue: serializeAws_restJson1_1DatasetContentVersionValue(
+        input.datasetContentVersionValue,
+        context
+      )
+    }),
+    ...(input.doubleValue !== undefined && { doubleValue: input.doubleValue }),
+    ...(input.name !== undefined && { name: input.name }),
+    ...(input.outputFileUriValue !== undefined && {
+      outputFileUriValue: serializeAws_restJson1_1OutputFileUriValue(
+        input.outputFileUriValue,
+        context
+      )
+    }),
+    ...(input.stringValue !== undefined && { stringValue: input.stringValue })
+  };
 };
 
 const serializeAws_restJson1_1Variables = (
@@ -6128,28 +5947,22 @@ const serializeAws_restJson1_1VersioningConfiguration = (
   input: VersioningConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.maxVersions !== undefined) {
-    bodyParams["maxVersions"] = input.maxVersions;
-  }
-  if (input.unlimited !== undefined) {
-    bodyParams["unlimited"] = input.unlimited;
-  }
-  return bodyParams;
+  return {
+    ...(input.maxVersions !== undefined && { maxVersions: input.maxVersions }),
+    ...(input.unlimited !== undefined && { unlimited: input.unlimited })
+  };
 };
 
 const serializeAws_restJson1_1Message = (
   input: Message,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.messageId !== undefined) {
-    bodyParams["messageId"] = input.messageId;
-  }
-  if (input.payload !== undefined) {
-    bodyParams["payload"] = context.base64Encoder(input.payload);
-  }
-  return bodyParams;
+  return {
+    ...(input.messageId !== undefined && { messageId: input.messageId }),
+    ...(input.payload !== undefined && {
+      payload: context.base64Encoder(input.payload)
+    })
+  };
 };
 
 const serializeAws_restJson1_1Messages = (
diff --git a/clients/client-iotsecuretunneling/protocols/Aws_json1_1.ts b/clients/client-iotsecuretunneling/protocols/Aws_json1_1.ts
index 3287ce6176d7..177a4542ac65 100644
--- a/clients/client-iotsecuretunneling/protocols/Aws_json1_1.ts
+++ b/clients/client-iotsecuretunneling/protocols/Aws_json1_1.ts
@@ -612,96 +612,75 @@ const serializeAws_json1_1CloseTunnelRequest = (
   input: CloseTunnelRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.delete !== undefined) {
-    bodyParams["delete"] = input.delete;
-  }
-  if (input.tunnelId !== undefined) {
-    bodyParams["tunnelId"] = input.tunnelId;
-  }
-  return bodyParams;
+  return {
+    ...(input.delete !== undefined && { delete: input.delete }),
+    ...(input.tunnelId !== undefined && { tunnelId: input.tunnelId })
+  };
 };
 
 const serializeAws_json1_1DescribeTunnelRequest = (
   input: DescribeTunnelRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.tunnelId !== undefined) {
-    bodyParams["tunnelId"] = input.tunnelId;
-  }
-  return bodyParams;
+  return {
+    ...(input.tunnelId !== undefined && { tunnelId: input.tunnelId })
+  };
 };
 
 const serializeAws_json1_1DestinationConfig = (
   input: DestinationConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.services !== undefined) {
-    bodyParams["services"] = serializeAws_json1_1ServiceList(
-      input.services,
-      context
-    );
-  }
-  if (input.thingName !== undefined) {
-    bodyParams["thingName"] = input.thingName;
-  }
-  return bodyParams;
+  return {
+    ...(input.services !== undefined && {
+      services: serializeAws_json1_1ServiceList(input.services, context)
+    }),
+    ...(input.thingName !== undefined && { thingName: input.thingName })
+  };
 };
 
 const serializeAws_json1_1ListTagsForResourceRequest = (
   input: ListTagsForResourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.resourceArn !== undefined) {
-    bodyParams["resourceArn"] = input.resourceArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.resourceArn !== undefined && { resourceArn: input.resourceArn })
+  };
 };
 
 const serializeAws_json1_1ListTunnelsRequest = (
   input: ListTunnelsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.maxResults !== undefined) {
-    bodyParams["maxResults"] = input.maxResults;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  if (input.thingName !== undefined) {
-    bodyParams["thingName"] = input.thingName;
-  }
-  return bodyParams;
+  return {
+    ...(input.maxResults !== undefined && { maxResults: input.maxResults }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken }),
+    ...(input.thingName !== undefined && { thingName: input.thingName })
+  };
 };
 
 const serializeAws_json1_1OpenTunnelRequest = (
   input: OpenTunnelRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.description !== undefined) {
-    bodyParams["description"] = input.description;
-  }
-  if (input.destinationConfig !== undefined) {
-    bodyParams["destinationConfig"] = serializeAws_json1_1DestinationConfig(
-      input.destinationConfig,
-      context
-    );
-  }
-  if (input.tags !== undefined) {
-    bodyParams["tags"] = serializeAws_json1_1TagList(input.tags, context);
-  }
-  if (input.timeoutConfig !== undefined) {
-    bodyParams["timeoutConfig"] = serializeAws_json1_1TimeoutConfig(
-      input.timeoutConfig,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.description !== undefined && { description: input.description }),
+    ...(input.destinationConfig !== undefined && {
+      destinationConfig: serializeAws_json1_1DestinationConfig(
+        input.destinationConfig,
+        context
+      )
+    }),
+    ...(input.tags !== undefined && {
+      tags: serializeAws_json1_1TagList(input.tags, context)
+    }),
+    ...(input.timeoutConfig !== undefined && {
+      timeoutConfig: serializeAws_json1_1TimeoutConfig(
+        input.timeoutConfig,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1ServiceList = (
@@ -712,14 +691,10 @@ const serializeAws_json1_1ServiceList = (
 };
 
 const serializeAws_json1_1Tag = (input: Tag, context: __SerdeContext): any => {
-  const bodyParams: any = {};
-  if (input.key !== undefined) {
-    bodyParams["key"] = input.key;
-  }
-  if (input.value !== undefined) {
-    bodyParams["value"] = input.value;
-  }
-  return bodyParams;
+  return {
+    ...(input.key !== undefined && { key: input.key }),
+    ...(input.value !== undefined && { value: input.value })
+  };
 };
 
 const serializeAws_json1_1TagKeyList = (
@@ -740,42 +715,35 @@ const serializeAws_json1_1TagResourceRequest = (
   input: TagResourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.resourceArn !== undefined) {
-    bodyParams["resourceArn"] = input.resourceArn;
-  }
-  if (input.tags !== undefined) {
-    bodyParams["tags"] = serializeAws_json1_1TagList(input.tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.resourceArn !== undefined && { resourceArn: input.resourceArn }),
+    ...(input.tags !== undefined && {
+      tags: serializeAws_json1_1TagList(input.tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1TimeoutConfig = (
   input: TimeoutConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.maxLifetimeTimeoutMinutes !== undefined) {
-    bodyParams["maxLifetimeTimeoutMinutes"] = input.maxLifetimeTimeoutMinutes;
-  }
-  return bodyParams;
+  return {
+    ...(input.maxLifetimeTimeoutMinutes !== undefined && {
+      maxLifetimeTimeoutMinutes: input.maxLifetimeTimeoutMinutes
+    })
+  };
 };
 
 const serializeAws_json1_1UntagResourceRequest = (
   input: UntagResourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.resourceArn !== undefined) {
-    bodyParams["resourceArn"] = input.resourceArn;
-  }
-  if (input.tagKeys !== undefined) {
-    bodyParams["tagKeys"] = serializeAws_json1_1TagKeyList(
-      input.tagKeys,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.resourceArn !== undefined && { resourceArn: input.resourceArn }),
+    ...(input.tagKeys !== undefined && {
+      tagKeys: serializeAws_json1_1TagKeyList(input.tagKeys, context)
+    })
+  };
 };
 
 const deserializeAws_json1_1CloseTunnelResponse = (
diff --git a/clients/client-iotthingsgraph/protocols/Aws_json1_1.ts b/clients/client-iotthingsgraph/protocols/Aws_json1_1.ts
index 10dcf87158a0..dd94d8a6413f 100644
--- a/clients/client-iotthingsgraph/protocols/Aws_json1_1.ts
+++ b/clients/client-iotthingsgraph/protocols/Aws_json1_1.ts
@@ -4210,575 +4210,458 @@ const serializeAws_json1_1AssociateEntityToThingRequest = (
   input: AssociateEntityToThingRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.entityId !== undefined) {
-    bodyParams["entityId"] = input.entityId;
-  }
-  if (input.namespaceVersion !== undefined) {
-    bodyParams["namespaceVersion"] = input.namespaceVersion;
-  }
-  if (input.thingName !== undefined) {
-    bodyParams["thingName"] = input.thingName;
-  }
-  return bodyParams;
+  return {
+    ...(input.entityId !== undefined && { entityId: input.entityId }),
+    ...(input.namespaceVersion !== undefined && {
+      namespaceVersion: input.namespaceVersion
+    }),
+    ...(input.thingName !== undefined && { thingName: input.thingName })
+  };
 };
 
 const serializeAws_json1_1CreateFlowTemplateRequest = (
   input: CreateFlowTemplateRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.compatibleNamespaceVersion !== undefined) {
-    bodyParams["compatibleNamespaceVersion"] = input.compatibleNamespaceVersion;
-  }
-  if (input.definition !== undefined) {
-    bodyParams["definition"] = serializeAws_json1_1DefinitionDocument(
-      input.definition,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.compatibleNamespaceVersion !== undefined && {
+      compatibleNamespaceVersion: input.compatibleNamespaceVersion
+    }),
+    ...(input.definition !== undefined && {
+      definition: serializeAws_json1_1DefinitionDocument(
+        input.definition,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1CreateSystemInstanceRequest = (
   input: CreateSystemInstanceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.definition !== undefined) {
-    bodyParams["definition"] = serializeAws_json1_1DefinitionDocument(
-      input.definition,
-      context
-    );
-  }
-  if (input.flowActionsRoleArn !== undefined) {
-    bodyParams["flowActionsRoleArn"] = input.flowActionsRoleArn;
-  }
-  if (input.greengrassGroupName !== undefined) {
-    bodyParams["greengrassGroupName"] = input.greengrassGroupName;
-  }
-  if (input.metricsConfiguration !== undefined) {
-    bodyParams[
-      "metricsConfiguration"
-    ] = serializeAws_json1_1MetricsConfiguration(
-      input.metricsConfiguration,
-      context
-    );
-  }
-  if (input.s3BucketName !== undefined) {
-    bodyParams["s3BucketName"] = input.s3BucketName;
-  }
-  if (input.tags !== undefined) {
-    bodyParams["tags"] = serializeAws_json1_1TagList(input.tags, context);
-  }
-  if (input.target !== undefined) {
-    bodyParams["target"] = input.target;
-  }
-  return bodyParams;
+  return {
+    ...(input.definition !== undefined && {
+      definition: serializeAws_json1_1DefinitionDocument(
+        input.definition,
+        context
+      )
+    }),
+    ...(input.flowActionsRoleArn !== undefined && {
+      flowActionsRoleArn: input.flowActionsRoleArn
+    }),
+    ...(input.greengrassGroupName !== undefined && {
+      greengrassGroupName: input.greengrassGroupName
+    }),
+    ...(input.metricsConfiguration !== undefined && {
+      metricsConfiguration: serializeAws_json1_1MetricsConfiguration(
+        input.metricsConfiguration,
+        context
+      )
+    }),
+    ...(input.s3BucketName !== undefined && {
+      s3BucketName: input.s3BucketName
+    }),
+    ...(input.tags !== undefined && {
+      tags: serializeAws_json1_1TagList(input.tags, context)
+    }),
+    ...(input.target !== undefined && { target: input.target })
+  };
 };
 
 const serializeAws_json1_1CreateSystemTemplateRequest = (
   input: CreateSystemTemplateRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.compatibleNamespaceVersion !== undefined) {
-    bodyParams["compatibleNamespaceVersion"] = input.compatibleNamespaceVersion;
-  }
-  if (input.definition !== undefined) {
-    bodyParams["definition"] = serializeAws_json1_1DefinitionDocument(
-      input.definition,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.compatibleNamespaceVersion !== undefined && {
+      compatibleNamespaceVersion: input.compatibleNamespaceVersion
+    }),
+    ...(input.definition !== undefined && {
+      definition: serializeAws_json1_1DefinitionDocument(
+        input.definition,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteFlowTemplateRequest = (
   input: DeleteFlowTemplateRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.id !== undefined) {
-    bodyParams["id"] = input.id;
-  }
-  return bodyParams;
+  return {
+    ...(input.id !== undefined && { id: input.id })
+  };
 };
 
 const serializeAws_json1_1DeleteNamespaceRequest = (
   input: DeleteNamespaceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  return bodyParams;
+  return {};
 };
 
 const serializeAws_json1_1DeleteSystemInstanceRequest = (
   input: DeleteSystemInstanceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.id !== undefined) {
-    bodyParams["id"] = input.id;
-  }
-  return bodyParams;
+  return {
+    ...(input.id !== undefined && { id: input.id })
+  };
 };
 
 const serializeAws_json1_1DeleteSystemTemplateRequest = (
   input: DeleteSystemTemplateRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.id !== undefined) {
-    bodyParams["id"] = input.id;
-  }
-  return bodyParams;
+  return {
+    ...(input.id !== undefined && { id: input.id })
+  };
 };
 
 const serializeAws_json1_1DeploySystemInstanceRequest = (
   input: DeploySystemInstanceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.id !== undefined) {
-    bodyParams["id"] = input.id;
-  }
-  return bodyParams;
+  return {
+    ...(input.id !== undefined && { id: input.id })
+  };
 };
 
 const serializeAws_json1_1DeprecateFlowTemplateRequest = (
   input: DeprecateFlowTemplateRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.id !== undefined) {
-    bodyParams["id"] = input.id;
-  }
-  return bodyParams;
+  return {
+    ...(input.id !== undefined && { id: input.id })
+  };
 };
 
 const serializeAws_json1_1DeprecateSystemTemplateRequest = (
   input: DeprecateSystemTemplateRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.id !== undefined) {
-    bodyParams["id"] = input.id;
-  }
-  return bodyParams;
+  return {
+    ...(input.id !== undefined && { id: input.id })
+  };
 };
 
 const serializeAws_json1_1DescribeNamespaceRequest = (
   input: DescribeNamespaceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.namespaceName !== undefined) {
-    bodyParams["namespaceName"] = input.namespaceName;
-  }
-  return bodyParams;
+  return {
+    ...(input.namespaceName !== undefined && {
+      namespaceName: input.namespaceName
+    })
+  };
 };
 
 const serializeAws_json1_1DissociateEntityFromThingRequest = (
   input: DissociateEntityFromThingRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.entityType !== undefined) {
-    bodyParams["entityType"] = input.entityType;
-  }
-  if (input.thingName !== undefined) {
-    bodyParams["thingName"] = input.thingName;
-  }
-  return bodyParams;
+  return {
+    ...(input.entityType !== undefined && { entityType: input.entityType }),
+    ...(input.thingName !== undefined && { thingName: input.thingName })
+  };
 };
 
 const serializeAws_json1_1GetEntitiesRequest = (
   input: GetEntitiesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ids !== undefined) {
-    bodyParams["ids"] = serializeAws_json1_1Urns(input.ids, context);
-  }
-  if (input.namespaceVersion !== undefined) {
-    bodyParams["namespaceVersion"] = input.namespaceVersion;
-  }
-  return bodyParams;
+  return {
+    ...(input.ids !== undefined && {
+      ids: serializeAws_json1_1Urns(input.ids, context)
+    }),
+    ...(input.namespaceVersion !== undefined && {
+      namespaceVersion: input.namespaceVersion
+    })
+  };
 };
 
 const serializeAws_json1_1GetFlowTemplateRequest = (
   input: GetFlowTemplateRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.id !== undefined) {
-    bodyParams["id"] = input.id;
-  }
-  if (input.revisionNumber !== undefined) {
-    bodyParams["revisionNumber"] = input.revisionNumber;
-  }
-  return bodyParams;
+  return {
+    ...(input.id !== undefined && { id: input.id }),
+    ...(input.revisionNumber !== undefined && {
+      revisionNumber: input.revisionNumber
+    })
+  };
 };
 
 const serializeAws_json1_1GetFlowTemplateRevisionsRequest = (
   input: GetFlowTemplateRevisionsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.id !== undefined) {
-    bodyParams["id"] = input.id;
-  }
-  if (input.maxResults !== undefined) {
-    bodyParams["maxResults"] = input.maxResults;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.id !== undefined && { id: input.id }),
+    ...(input.maxResults !== undefined && { maxResults: input.maxResults }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken })
+  };
 };
 
 const serializeAws_json1_1GetNamespaceDeletionStatusRequest = (
   input: GetNamespaceDeletionStatusRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  return bodyParams;
+  return {};
 };
 
 const serializeAws_json1_1GetSystemInstanceRequest = (
   input: GetSystemInstanceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.id !== undefined) {
-    bodyParams["id"] = input.id;
-  }
-  return bodyParams;
+  return {
+    ...(input.id !== undefined && { id: input.id })
+  };
 };
 
 const serializeAws_json1_1GetSystemTemplateRequest = (
   input: GetSystemTemplateRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.id !== undefined) {
-    bodyParams["id"] = input.id;
-  }
-  if (input.revisionNumber !== undefined) {
-    bodyParams["revisionNumber"] = input.revisionNumber;
-  }
-  return bodyParams;
+  return {
+    ...(input.id !== undefined && { id: input.id }),
+    ...(input.revisionNumber !== undefined && {
+      revisionNumber: input.revisionNumber
+    })
+  };
 };
 
 const serializeAws_json1_1GetSystemTemplateRevisionsRequest = (
   input: GetSystemTemplateRevisionsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.id !== undefined) {
-    bodyParams["id"] = input.id;
-  }
-  if (input.maxResults !== undefined) {
-    bodyParams["maxResults"] = input.maxResults;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.id !== undefined && { id: input.id }),
+    ...(input.maxResults !== undefined && { maxResults: input.maxResults }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken })
+  };
 };
 
 const serializeAws_json1_1GetUploadStatusRequest = (
   input: GetUploadStatusRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.uploadId !== undefined) {
-    bodyParams["uploadId"] = input.uploadId;
-  }
-  return bodyParams;
+  return {
+    ...(input.uploadId !== undefined && { uploadId: input.uploadId })
+  };
 };
 
 const serializeAws_json1_1ListFlowExecutionMessagesRequest = (
   input: ListFlowExecutionMessagesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.flowExecutionId !== undefined) {
-    bodyParams["flowExecutionId"] = input.flowExecutionId;
-  }
-  if (input.maxResults !== undefined) {
-    bodyParams["maxResults"] = input.maxResults;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.flowExecutionId !== undefined && {
+      flowExecutionId: input.flowExecutionId
+    }),
+    ...(input.maxResults !== undefined && { maxResults: input.maxResults }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken })
+  };
 };
 
 const serializeAws_json1_1ListTagsForResourceRequest = (
   input: ListTagsForResourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.maxResults !== undefined) {
-    bodyParams["maxResults"] = input.maxResults;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  if (input.resourceArn !== undefined) {
-    bodyParams["resourceArn"] = input.resourceArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.maxResults !== undefined && { maxResults: input.maxResults }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken }),
+    ...(input.resourceArn !== undefined && { resourceArn: input.resourceArn })
+  };
 };
 
 const serializeAws_json1_1SearchEntitiesRequest = (
   input: SearchEntitiesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.entityTypes !== undefined) {
-    bodyParams["entityTypes"] = serializeAws_json1_1EntityTypes(
-      input.entityTypes,
-      context
-    );
-  }
-  if (input.filters !== undefined) {
-    bodyParams["filters"] = serializeAws_json1_1EntityFilters(
-      input.filters,
-      context
-    );
-  }
-  if (input.maxResults !== undefined) {
-    bodyParams["maxResults"] = input.maxResults;
-  }
-  if (input.namespaceVersion !== undefined) {
-    bodyParams["namespaceVersion"] = input.namespaceVersion;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.entityTypes !== undefined && {
+      entityTypes: serializeAws_json1_1EntityTypes(input.entityTypes, context)
+    }),
+    ...(input.filters !== undefined && {
+      filters: serializeAws_json1_1EntityFilters(input.filters, context)
+    }),
+    ...(input.maxResults !== undefined && { maxResults: input.maxResults }),
+    ...(input.namespaceVersion !== undefined && {
+      namespaceVersion: input.namespaceVersion
+    }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken })
+  };
 };
 
 const serializeAws_json1_1SearchFlowExecutionsRequest = (
   input: SearchFlowExecutionsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.endTime !== undefined) {
-    bodyParams["endTime"] = Math.round(input.endTime.getTime() / 1000);
-  }
-  if (input.flowExecutionId !== undefined) {
-    bodyParams["flowExecutionId"] = input.flowExecutionId;
-  }
-  if (input.maxResults !== undefined) {
-    bodyParams["maxResults"] = input.maxResults;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  if (input.startTime !== undefined) {
-    bodyParams["startTime"] = Math.round(input.startTime.getTime() / 1000);
-  }
-  if (input.systemInstanceId !== undefined) {
-    bodyParams["systemInstanceId"] = input.systemInstanceId;
-  }
-  return bodyParams;
+  return {
+    ...(input.endTime !== undefined && {
+      endTime: Math.round(input.endTime.getTime() / 1000)
+    }),
+    ...(input.flowExecutionId !== undefined && {
+      flowExecutionId: input.flowExecutionId
+    }),
+    ...(input.maxResults !== undefined && { maxResults: input.maxResults }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken }),
+    ...(input.startTime !== undefined && {
+      startTime: Math.round(input.startTime.getTime() / 1000)
+    }),
+    ...(input.systemInstanceId !== undefined && {
+      systemInstanceId: input.systemInstanceId
+    })
+  };
 };
 
 const serializeAws_json1_1SearchFlowTemplatesRequest = (
   input: SearchFlowTemplatesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.filters !== undefined) {
-    bodyParams["filters"] = serializeAws_json1_1FlowTemplateFilters(
-      input.filters,
-      context
-    );
-  }
-  if (input.maxResults !== undefined) {
-    bodyParams["maxResults"] = input.maxResults;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.filters !== undefined && {
+      filters: serializeAws_json1_1FlowTemplateFilters(input.filters, context)
+    }),
+    ...(input.maxResults !== undefined && { maxResults: input.maxResults }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken })
+  };
 };
 
 const serializeAws_json1_1SearchSystemInstancesRequest = (
   input: SearchSystemInstancesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.filters !== undefined) {
-    bodyParams["filters"] = serializeAws_json1_1SystemInstanceFilters(
-      input.filters,
-      context
-    );
-  }
-  if (input.maxResults !== undefined) {
-    bodyParams["maxResults"] = input.maxResults;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.filters !== undefined && {
+      filters: serializeAws_json1_1SystemInstanceFilters(input.filters, context)
+    }),
+    ...(input.maxResults !== undefined && { maxResults: input.maxResults }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken })
+  };
 };
 
 const serializeAws_json1_1SearchSystemTemplatesRequest = (
   input: SearchSystemTemplatesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.filters !== undefined) {
-    bodyParams["filters"] = serializeAws_json1_1SystemTemplateFilters(
-      input.filters,
-      context
-    );
-  }
-  if (input.maxResults !== undefined) {
-    bodyParams["maxResults"] = input.maxResults;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.filters !== undefined && {
+      filters: serializeAws_json1_1SystemTemplateFilters(input.filters, context)
+    }),
+    ...(input.maxResults !== undefined && { maxResults: input.maxResults }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken })
+  };
 };
 
 const serializeAws_json1_1SearchThingsRequest = (
   input: SearchThingsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.entityId !== undefined) {
-    bodyParams["entityId"] = input.entityId;
-  }
-  if (input.maxResults !== undefined) {
-    bodyParams["maxResults"] = input.maxResults;
-  }
-  if (input.namespaceVersion !== undefined) {
-    bodyParams["namespaceVersion"] = input.namespaceVersion;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.entityId !== undefined && { entityId: input.entityId }),
+    ...(input.maxResults !== undefined && { maxResults: input.maxResults }),
+    ...(input.namespaceVersion !== undefined && {
+      namespaceVersion: input.namespaceVersion
+    }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken })
+  };
 };
 
 const serializeAws_json1_1TagResourceRequest = (
   input: TagResourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.resourceArn !== undefined) {
-    bodyParams["resourceArn"] = input.resourceArn;
-  }
-  if (input.tags !== undefined) {
-    bodyParams["tags"] = serializeAws_json1_1TagList(input.tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.resourceArn !== undefined && { resourceArn: input.resourceArn }),
+    ...(input.tags !== undefined && {
+      tags: serializeAws_json1_1TagList(input.tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1UndeploySystemInstanceRequest = (
   input: UndeploySystemInstanceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.id !== undefined) {
-    bodyParams["id"] = input.id;
-  }
-  return bodyParams;
+  return {
+    ...(input.id !== undefined && { id: input.id })
+  };
 };
 
 const serializeAws_json1_1UntagResourceRequest = (
   input: UntagResourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.resourceArn !== undefined) {
-    bodyParams["resourceArn"] = input.resourceArn;
-  }
-  if (input.tagKeys !== undefined) {
-    bodyParams["tagKeys"] = serializeAws_json1_1TagKeyList(
-      input.tagKeys,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.resourceArn !== undefined && { resourceArn: input.resourceArn }),
+    ...(input.tagKeys !== undefined && {
+      tagKeys: serializeAws_json1_1TagKeyList(input.tagKeys, context)
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateFlowTemplateRequest = (
   input: UpdateFlowTemplateRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.compatibleNamespaceVersion !== undefined) {
-    bodyParams["compatibleNamespaceVersion"] = input.compatibleNamespaceVersion;
-  }
-  if (input.definition !== undefined) {
-    bodyParams["definition"] = serializeAws_json1_1DefinitionDocument(
-      input.definition,
-      context
-    );
-  }
-  if (input.id !== undefined) {
-    bodyParams["id"] = input.id;
-  }
-  return bodyParams;
+  return {
+    ...(input.compatibleNamespaceVersion !== undefined && {
+      compatibleNamespaceVersion: input.compatibleNamespaceVersion
+    }),
+    ...(input.definition !== undefined && {
+      definition: serializeAws_json1_1DefinitionDocument(
+        input.definition,
+        context
+      )
+    }),
+    ...(input.id !== undefined && { id: input.id })
+  };
 };
 
 const serializeAws_json1_1UpdateSystemTemplateRequest = (
   input: UpdateSystemTemplateRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.compatibleNamespaceVersion !== undefined) {
-    bodyParams["compatibleNamespaceVersion"] = input.compatibleNamespaceVersion;
-  }
-  if (input.definition !== undefined) {
-    bodyParams["definition"] = serializeAws_json1_1DefinitionDocument(
-      input.definition,
-      context
-    );
-  }
-  if (input.id !== undefined) {
-    bodyParams["id"] = input.id;
-  }
-  return bodyParams;
+  return {
+    ...(input.compatibleNamespaceVersion !== undefined && {
+      compatibleNamespaceVersion: input.compatibleNamespaceVersion
+    }),
+    ...(input.definition !== undefined && {
+      definition: serializeAws_json1_1DefinitionDocument(
+        input.definition,
+        context
+      )
+    }),
+    ...(input.id !== undefined && { id: input.id })
+  };
 };
 
 const serializeAws_json1_1UploadEntityDefinitionsRequest = (
   input: UploadEntityDefinitionsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.deprecateExistingEntities !== undefined) {
-    bodyParams["deprecateExistingEntities"] = input.deprecateExistingEntities;
-  }
-  if (input.document !== undefined) {
-    bodyParams["document"] = serializeAws_json1_1DefinitionDocument(
-      input.document,
-      context
-    );
-  }
-  if (input.syncWithPublicNamespace !== undefined) {
-    bodyParams["syncWithPublicNamespace"] = input.syncWithPublicNamespace;
-  }
-  return bodyParams;
+  return {
+    ...(input.deprecateExistingEntities !== undefined && {
+      deprecateExistingEntities: input.deprecateExistingEntities
+    }),
+    ...(input.document !== undefined && {
+      document: serializeAws_json1_1DefinitionDocument(input.document, context)
+    }),
+    ...(input.syncWithPublicNamespace !== undefined && {
+      syncWithPublicNamespace: input.syncWithPublicNamespace
+    })
+  };
 };
 
 const serializeAws_json1_1Tag = (input: Tag, context: __SerdeContext): any => {
-  const bodyParams: any = {};
-  if (input.key !== undefined) {
-    bodyParams["key"] = input.key;
-  }
-  if (input.value !== undefined) {
-    bodyParams["value"] = input.value;
-  }
-  return bodyParams;
+  return {
+    ...(input.key !== undefined && { key: input.key }),
+    ...(input.value !== undefined && { value: input.value })
+  };
 };
 
 const serializeAws_json1_1TagKeyList = (
@@ -4799,14 +4682,10 @@ const serializeAws_json1_1DefinitionDocument = (
   input: DefinitionDocument,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.language !== undefined) {
-    bodyParams["language"] = input.language;
-  }
-  if (input.text !== undefined) {
-    bodyParams["text"] = input.text;
-  }
-  return bodyParams;
+  return {
+    ...(input.language !== undefined && { language: input.language }),
+    ...(input.text !== undefined && { text: input.text })
+  };
 };
 
 const serializeAws_json1_1Urns = (
@@ -4820,17 +4699,12 @@ const serializeAws_json1_1EntityFilter = (
   input: EntityFilter,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  if (input.value !== undefined) {
-    bodyParams["value"] = serializeAws_json1_1EntityFilterValues(
-      input.value,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.name !== undefined && { name: input.name }),
+    ...(input.value !== undefined && {
+      value: serializeAws_json1_1EntityFilterValues(input.value, context)
+    })
+  };
 };
 
 const serializeAws_json1_1EntityFilterValues = (
@@ -4858,17 +4732,12 @@ const serializeAws_json1_1FlowTemplateFilter = (
   input: FlowTemplateFilter,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  if (input.value !== undefined) {
-    bodyParams["value"] = serializeAws_json1_1FlowTemplateFilterValues(
-      input.value,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.name !== undefined && { name: input.name }),
+    ...(input.value !== undefined && {
+      value: serializeAws_json1_1FlowTemplateFilterValues(input.value, context)
+    })
+  };
 };
 
 const serializeAws_json1_1FlowTemplateFilterValues = (
@@ -4891,31 +4760,29 @@ const serializeAws_json1_1MetricsConfiguration = (
   input: MetricsConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.cloudMetricEnabled !== undefined) {
-    bodyParams["cloudMetricEnabled"] = input.cloudMetricEnabled;
-  }
-  if (input.metricRuleRoleArn !== undefined) {
-    bodyParams["metricRuleRoleArn"] = input.metricRuleRoleArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.cloudMetricEnabled !== undefined && {
+      cloudMetricEnabled: input.cloudMetricEnabled
+    }),
+    ...(input.metricRuleRoleArn !== undefined && {
+      metricRuleRoleArn: input.metricRuleRoleArn
+    })
+  };
 };
 
 const serializeAws_json1_1SystemInstanceFilter = (
   input: SystemInstanceFilter,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  if (input.value !== undefined) {
-    bodyParams["value"] = serializeAws_json1_1SystemInstanceFilterValues(
-      input.value,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.name !== undefined && { name: input.name }),
+    ...(input.value !== undefined && {
+      value: serializeAws_json1_1SystemInstanceFilterValues(
+        input.value,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1SystemInstanceFilterValues = (
@@ -4938,17 +4805,15 @@ const serializeAws_json1_1SystemTemplateFilter = (
   input: SystemTemplateFilter,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  if (input.value !== undefined) {
-    bodyParams["value"] = serializeAws_json1_1SystemTemplateFilterValues(
-      input.value,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.name !== undefined && { name: input.name }),
+    ...(input.value !== undefined && {
+      value: serializeAws_json1_1SystemTemplateFilterValues(
+        input.value,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1SystemTemplateFilterValues = (
diff --git a/clients/client-kafka/protocols/Aws_restJson1_1.ts b/clients/client-kafka/protocols/Aws_restJson1_1.ts
index 57dca8568e09..a45087f585f9 100644
--- a/clients/client-kafka/protocols/Aws_restJson1_1.ts
+++ b/clients/client-kafka/protocols/Aws_restJson1_1.ts
@@ -3341,215 +3341,203 @@ const serializeAws_restJson1_1BrokerEBSVolumeInfo = (
   input: BrokerEBSVolumeInfo,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.KafkaBrokerNodeId !== undefined) {
-    bodyParams["kafkaBrokerNodeId"] = input.KafkaBrokerNodeId;
-  }
-  if (input.VolumeSizeGB !== undefined) {
-    bodyParams["volumeSizeGB"] = input.VolumeSizeGB;
-  }
-  return bodyParams;
+  return {
+    ...(input.KafkaBrokerNodeId !== undefined && {
+      kafkaBrokerNodeId: input.KafkaBrokerNodeId
+    }),
+    ...(input.VolumeSizeGB !== undefined && {
+      volumeSizeGB: input.VolumeSizeGB
+    })
+  };
 };
 
 const serializeAws_restJson1_1BrokerNodeGroupInfo = (
   input: BrokerNodeGroupInfo,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.BrokerAZDistribution !== undefined) {
-    bodyParams["brokerAZDistribution"] = input.BrokerAZDistribution;
-  }
-  if (input.ClientSubnets !== undefined) {
-    bodyParams["clientSubnets"] = serializeAws_restJson1_1__listOf__string(
-      input.ClientSubnets,
-      context
-    );
-  }
-  if (input.InstanceType !== undefined) {
-    bodyParams["instanceType"] = input.InstanceType;
-  }
-  if (input.SecurityGroups !== undefined) {
-    bodyParams["securityGroups"] = serializeAws_restJson1_1__listOf__string(
-      input.SecurityGroups,
-      context
-    );
-  }
-  if (input.StorageInfo !== undefined) {
-    bodyParams["storageInfo"] = serializeAws_restJson1_1StorageInfo(
-      input.StorageInfo,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.BrokerAZDistribution !== undefined && {
+      brokerAZDistribution: input.BrokerAZDistribution
+    }),
+    ...(input.ClientSubnets !== undefined && {
+      clientSubnets: serializeAws_restJson1_1__listOf__string(
+        input.ClientSubnets,
+        context
+      )
+    }),
+    ...(input.InstanceType !== undefined && {
+      instanceType: input.InstanceType
+    }),
+    ...(input.SecurityGroups !== undefined && {
+      securityGroups: serializeAws_restJson1_1__listOf__string(
+        input.SecurityGroups,
+        context
+      )
+    }),
+    ...(input.StorageInfo !== undefined && {
+      storageInfo: serializeAws_restJson1_1StorageInfo(
+        input.StorageInfo,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1ClientAuthentication = (
   input: ClientAuthentication,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Tls !== undefined) {
-    bodyParams["tls"] = serializeAws_restJson1_1Tls(input.Tls, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.Tls !== undefined && {
+      tls: serializeAws_restJson1_1Tls(input.Tls, context)
+    })
+  };
 };
 
 const serializeAws_restJson1_1ConfigurationInfo = (
   input: ConfigurationInfo,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Arn !== undefined) {
-    bodyParams["arn"] = input.Arn;
-  }
-  if (input.Revision !== undefined) {
-    bodyParams["revision"] = input.Revision;
-  }
-  return bodyParams;
+  return {
+    ...(input.Arn !== undefined && { arn: input.Arn }),
+    ...(input.Revision !== undefined && { revision: input.Revision })
+  };
 };
 
 const serializeAws_restJson1_1EBSStorageInfo = (
   input: EBSStorageInfo,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.VolumeSize !== undefined) {
-    bodyParams["volumeSize"] = input.VolumeSize;
-  }
-  return bodyParams;
+  return {
+    ...(input.VolumeSize !== undefined && { volumeSize: input.VolumeSize })
+  };
 };
 
 const serializeAws_restJson1_1EncryptionAtRest = (
   input: EncryptionAtRest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DataVolumeKMSKeyId !== undefined) {
-    bodyParams["dataVolumeKMSKeyId"] = input.DataVolumeKMSKeyId;
-  }
-  return bodyParams;
+  return {
+    ...(input.DataVolumeKMSKeyId !== undefined && {
+      dataVolumeKMSKeyId: input.DataVolumeKMSKeyId
+    })
+  };
 };
 
 const serializeAws_restJson1_1EncryptionInTransit = (
   input: EncryptionInTransit,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ClientBroker !== undefined) {
-    bodyParams["clientBroker"] = input.ClientBroker;
-  }
-  if (input.InCluster !== undefined) {
-    bodyParams["inCluster"] = input.InCluster;
-  }
-  return bodyParams;
+  return {
+    ...(input.ClientBroker !== undefined && {
+      clientBroker: input.ClientBroker
+    }),
+    ...(input.InCluster !== undefined && { inCluster: input.InCluster })
+  };
 };
 
 const serializeAws_restJson1_1EncryptionInfo = (
   input: EncryptionInfo,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EncryptionAtRest !== undefined) {
-    bodyParams["encryptionAtRest"] = serializeAws_restJson1_1EncryptionAtRest(
-      input.EncryptionAtRest,
-      context
-    );
-  }
-  if (input.EncryptionInTransit !== undefined) {
-    bodyParams[
-      "encryptionInTransit"
-    ] = serializeAws_restJson1_1EncryptionInTransit(
-      input.EncryptionInTransit,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.EncryptionAtRest !== undefined && {
+      encryptionAtRest: serializeAws_restJson1_1EncryptionAtRest(
+        input.EncryptionAtRest,
+        context
+      )
+    }),
+    ...(input.EncryptionInTransit !== undefined && {
+      encryptionInTransit: serializeAws_restJson1_1EncryptionInTransit(
+        input.EncryptionInTransit,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1JmxExporterInfo = (
   input: JmxExporterInfo,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EnabledInBroker !== undefined) {
-    bodyParams["enabledInBroker"] = input.EnabledInBroker;
-  }
-  return bodyParams;
+  return {
+    ...(input.EnabledInBroker !== undefined && {
+      enabledInBroker: input.EnabledInBroker
+    })
+  };
 };
 
 const serializeAws_restJson1_1NodeExporterInfo = (
   input: NodeExporterInfo,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EnabledInBroker !== undefined) {
-    bodyParams["enabledInBroker"] = input.EnabledInBroker;
-  }
-  return bodyParams;
+  return {
+    ...(input.EnabledInBroker !== undefined && {
+      enabledInBroker: input.EnabledInBroker
+    })
+  };
 };
 
 const serializeAws_restJson1_1OpenMonitoringInfo = (
   input: OpenMonitoringInfo,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Prometheus !== undefined) {
-    bodyParams["prometheus"] = serializeAws_restJson1_1PrometheusInfo(
-      input.Prometheus,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Prometheus !== undefined && {
+      prometheus: serializeAws_restJson1_1PrometheusInfo(
+        input.Prometheus,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1PrometheusInfo = (
   input: PrometheusInfo,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.JmxExporter !== undefined) {
-    bodyParams["jmxExporter"] = serializeAws_restJson1_1JmxExporterInfo(
-      input.JmxExporter,
-      context
-    );
-  }
-  if (input.NodeExporter !== undefined) {
-    bodyParams["nodeExporter"] = serializeAws_restJson1_1NodeExporterInfo(
-      input.NodeExporter,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.JmxExporter !== undefined && {
+      jmxExporter: serializeAws_restJson1_1JmxExporterInfo(
+        input.JmxExporter,
+        context
+      )
+    }),
+    ...(input.NodeExporter !== undefined && {
+      nodeExporter: serializeAws_restJson1_1NodeExporterInfo(
+        input.NodeExporter,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1StorageInfo = (
   input: StorageInfo,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EbsStorageInfo !== undefined) {
-    bodyParams["ebsStorageInfo"] = serializeAws_restJson1_1EBSStorageInfo(
-      input.EbsStorageInfo,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.EbsStorageInfo !== undefined && {
+      ebsStorageInfo: serializeAws_restJson1_1EBSStorageInfo(
+        input.EbsStorageInfo,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1Tls = (
   input: Tls,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CertificateAuthorityArnList !== undefined) {
-    bodyParams[
-      "certificateAuthorityArnList"
-    ] = serializeAws_restJson1_1__listOf__string(
-      input.CertificateAuthorityArnList,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.CertificateAuthorityArnList !== undefined && {
+      certificateAuthorityArnList: serializeAws_restJson1_1__listOf__string(
+        input.CertificateAuthorityArnList,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1__listOfBrokerEBSVolumeInfo = (
diff --git a/clients/client-kendra/protocols/Aws_json1_1.ts b/clients/client-kendra/protocols/Aws_json1_1.ts
index 9884344f9bfd..0481f3be9a40 100644
--- a/clients/client-kendra/protocols/Aws_json1_1.ts
+++ b/clients/client-kendra/protocols/Aws_json1_1.ts
@@ -2908,90 +2908,79 @@ const serializeAws_json1_1AccessControlListConfiguration = (
   input: AccessControlListConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.KeyPath !== undefined) {
-    bodyParams["KeyPath"] = input.KeyPath;
-  }
-  return bodyParams;
+  return {
+    ...(input.KeyPath !== undefined && { KeyPath: input.KeyPath })
+  };
 };
 
 const serializeAws_json1_1AclConfiguration = (
   input: AclConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AllowedGroupsColumnName !== undefined) {
-    bodyParams["AllowedGroupsColumnName"] = input.AllowedGroupsColumnName;
-  }
-  return bodyParams;
+  return {
+    ...(input.AllowedGroupsColumnName !== undefined && {
+      AllowedGroupsColumnName: input.AllowedGroupsColumnName
+    })
+  };
 };
 
 const serializeAws_json1_1AttributeFilter = (
   input: AttributeFilter,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AndAllFilters !== undefined) {
-    bodyParams["AndAllFilters"] = serializeAws_json1_1AttributeFilterList(
-      input.AndAllFilters,
-      context
-    );
-  }
-  if (input.ContainsAll !== undefined) {
-    bodyParams["ContainsAll"] = serializeAws_json1_1DocumentAttribute(
-      input.ContainsAll,
-      context
-    );
-  }
-  if (input.ContainsAny !== undefined) {
-    bodyParams["ContainsAny"] = serializeAws_json1_1DocumentAttribute(
-      input.ContainsAny,
-      context
-    );
-  }
-  if (input.EqualsTo !== undefined) {
-    bodyParams["EqualsTo"] = serializeAws_json1_1DocumentAttribute(
-      input.EqualsTo,
-      context
-    );
-  }
-  if (input.GreaterThan !== undefined) {
-    bodyParams["GreaterThan"] = serializeAws_json1_1DocumentAttribute(
-      input.GreaterThan,
-      context
-    );
-  }
-  if (input.GreaterThanOrEquals !== undefined) {
-    bodyParams["GreaterThanOrEquals"] = serializeAws_json1_1DocumentAttribute(
-      input.GreaterThanOrEquals,
-      context
-    );
-  }
-  if (input.LessThan !== undefined) {
-    bodyParams["LessThan"] = serializeAws_json1_1DocumentAttribute(
-      input.LessThan,
-      context
-    );
-  }
-  if (input.LessThanOrEquals !== undefined) {
-    bodyParams["LessThanOrEquals"] = serializeAws_json1_1DocumentAttribute(
-      input.LessThanOrEquals,
-      context
-    );
-  }
-  if (input.NotFilter !== undefined) {
-    bodyParams["NotFilter"] = serializeAws_json1_1AttributeFilter(
-      input.NotFilter,
-      context
-    );
-  }
-  if (input.OrAllFilters !== undefined) {
-    bodyParams["OrAllFilters"] = serializeAws_json1_1AttributeFilterList(
-      input.OrAllFilters,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.AndAllFilters !== undefined && {
+      AndAllFilters: serializeAws_json1_1AttributeFilterList(
+        input.AndAllFilters,
+        context
+      )
+    }),
+    ...(input.ContainsAll !== undefined && {
+      ContainsAll: serializeAws_json1_1DocumentAttribute(
+        input.ContainsAll,
+        context
+      )
+    }),
+    ...(input.ContainsAny !== undefined && {
+      ContainsAny: serializeAws_json1_1DocumentAttribute(
+        input.ContainsAny,
+        context
+      )
+    }),
+    ...(input.EqualsTo !== undefined && {
+      EqualsTo: serializeAws_json1_1DocumentAttribute(input.EqualsTo, context)
+    }),
+    ...(input.GreaterThan !== undefined && {
+      GreaterThan: serializeAws_json1_1DocumentAttribute(
+        input.GreaterThan,
+        context
+      )
+    }),
+    ...(input.GreaterThanOrEquals !== undefined && {
+      GreaterThanOrEquals: serializeAws_json1_1DocumentAttribute(
+        input.GreaterThanOrEquals,
+        context
+      )
+    }),
+    ...(input.LessThan !== undefined && {
+      LessThan: serializeAws_json1_1DocumentAttribute(input.LessThan, context)
+    }),
+    ...(input.LessThanOrEquals !== undefined && {
+      LessThanOrEquals: serializeAws_json1_1DocumentAttribute(
+        input.LessThanOrEquals,
+        context
+      )
+    }),
+    ...(input.NotFilter !== undefined && {
+      NotFilter: serializeAws_json1_1AttributeFilter(input.NotFilter, context)
+    }),
+    ...(input.OrAllFilters !== undefined && {
+      OrAllFilters: serializeAws_json1_1AttributeFilterList(
+        input.OrAllFilters,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1AttributeFilterList = (
@@ -3007,37 +2996,28 @@ const serializeAws_json1_1BatchDeleteDocumentRequest = (
   input: BatchDeleteDocumentRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DocumentIdList !== undefined) {
-    bodyParams["DocumentIdList"] = serializeAws_json1_1DocumentIdList(
-      input.DocumentIdList,
-      context
-    );
-  }
-  if (input.IndexId !== undefined) {
-    bodyParams["IndexId"] = input.IndexId;
-  }
-  return bodyParams;
+  return {
+    ...(input.DocumentIdList !== undefined && {
+      DocumentIdList: serializeAws_json1_1DocumentIdList(
+        input.DocumentIdList,
+        context
+      )
+    }),
+    ...(input.IndexId !== undefined && { IndexId: input.IndexId })
+  };
 };
 
 const serializeAws_json1_1BatchPutDocumentRequest = (
   input: BatchPutDocumentRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Documents !== undefined) {
-    bodyParams["Documents"] = serializeAws_json1_1DocumentList(
-      input.Documents,
-      context
-    );
-  }
-  if (input.IndexId !== undefined) {
-    bodyParams["IndexId"] = input.IndexId;
-  }
-  if (input.RoleArn !== undefined) {
-    bodyParams["RoleArn"] = input.RoleArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.Documents !== undefined && {
+      Documents: serializeAws_json1_1DocumentList(input.Documents, context)
+    }),
+    ...(input.IndexId !== undefined && { IndexId: input.IndexId }),
+    ...(input.RoleArn !== undefined && { RoleArn: input.RoleArn })
+  };
 };
 
 const serializeAws_json1_1ChangeDetectingColumns = (
@@ -3051,14 +3031,12 @@ const serializeAws_json1_1ClickFeedback = (
   input: ClickFeedback,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ClickTime !== undefined) {
-    bodyParams["ClickTime"] = Math.round(input.ClickTime.getTime() / 1000);
-  }
-  if (input.ResultId !== undefined) {
-    bodyParams["ResultId"] = input.ResultId;
-  }
-  return bodyParams;
+  return {
+    ...(input.ClickTime !== undefined && {
+      ClickTime: Math.round(input.ClickTime.getTime() / 1000)
+    }),
+    ...(input.ResultId !== undefined && { ResultId: input.ResultId })
+  };
 };
 
 const serializeAws_json1_1ClickFeedbackList = (
@@ -3072,168 +3050,126 @@ const serializeAws_json1_1ColumnConfiguration = (
   input: ColumnConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ChangeDetectingColumns !== undefined) {
-    bodyParams[
-      "ChangeDetectingColumns"
-    ] = serializeAws_json1_1ChangeDetectingColumns(
-      input.ChangeDetectingColumns,
-      context
-    );
-  }
-  if (input.DocumentDataColumnName !== undefined) {
-    bodyParams["DocumentDataColumnName"] = input.DocumentDataColumnName;
-  }
-  if (input.DocumentIdColumnName !== undefined) {
-    bodyParams["DocumentIdColumnName"] = input.DocumentIdColumnName;
-  }
-  if (input.DocumentTitleColumnName !== undefined) {
-    bodyParams["DocumentTitleColumnName"] = input.DocumentTitleColumnName;
-  }
-  if (input.FieldMappings !== undefined) {
-    bodyParams[
-      "FieldMappings"
-    ] = serializeAws_json1_1DataSourceToIndexFieldMappingList(
-      input.FieldMappings,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ChangeDetectingColumns !== undefined && {
+      ChangeDetectingColumns: serializeAws_json1_1ChangeDetectingColumns(
+        input.ChangeDetectingColumns,
+        context
+      )
+    }),
+    ...(input.DocumentDataColumnName !== undefined && {
+      DocumentDataColumnName: input.DocumentDataColumnName
+    }),
+    ...(input.DocumentIdColumnName !== undefined && {
+      DocumentIdColumnName: input.DocumentIdColumnName
+    }),
+    ...(input.DocumentTitleColumnName !== undefined && {
+      DocumentTitleColumnName: input.DocumentTitleColumnName
+    }),
+    ...(input.FieldMappings !== undefined && {
+      FieldMappings: serializeAws_json1_1DataSourceToIndexFieldMappingList(
+        input.FieldMappings,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1ConnectionConfiguration = (
   input: ConnectionConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DatabaseHost !== undefined) {
-    bodyParams["DatabaseHost"] = input.DatabaseHost;
-  }
-  if (input.DatabaseName !== undefined) {
-    bodyParams["DatabaseName"] = input.DatabaseName;
-  }
-  if (input.DatabasePort !== undefined) {
-    bodyParams["DatabasePort"] = input.DatabasePort;
-  }
-  if (input.SecretArn !== undefined) {
-    bodyParams["SecretArn"] = input.SecretArn;
-  }
-  if (input.TableName !== undefined) {
-    bodyParams["TableName"] = input.TableName;
-  }
-  return bodyParams;
+  return {
+    ...(input.DatabaseHost !== undefined && {
+      DatabaseHost: input.DatabaseHost
+    }),
+    ...(input.DatabaseName !== undefined && {
+      DatabaseName: input.DatabaseName
+    }),
+    ...(input.DatabasePort !== undefined && {
+      DatabasePort: input.DatabasePort
+    }),
+    ...(input.SecretArn !== undefined && { SecretArn: input.SecretArn }),
+    ...(input.TableName !== undefined && { TableName: input.TableName })
+  };
 };
 
 const serializeAws_json1_1CreateDataSourceRequest = (
   input: CreateDataSourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Configuration !== undefined) {
-    bodyParams["Configuration"] = serializeAws_json1_1DataSourceConfiguration(
-      input.Configuration,
-      context
-    );
-  }
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.IndexId !== undefined) {
-    bodyParams["IndexId"] = input.IndexId;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.RoleArn !== undefined) {
-    bodyParams["RoleArn"] = input.RoleArn;
-  }
-  if (input.Schedule !== undefined) {
-    bodyParams["Schedule"] = input.Schedule;
-  }
-  if (input.Type !== undefined) {
-    bodyParams["Type"] = input.Type;
-  }
-  return bodyParams;
+  return {
+    ...(input.Configuration !== undefined && {
+      Configuration: serializeAws_json1_1DataSourceConfiguration(
+        input.Configuration,
+        context
+      )
+    }),
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.IndexId !== undefined && { IndexId: input.IndexId }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.RoleArn !== undefined && { RoleArn: input.RoleArn }),
+    ...(input.Schedule !== undefined && { Schedule: input.Schedule }),
+    ...(input.Type !== undefined && { Type: input.Type })
+  };
 };
 
 const serializeAws_json1_1CreateFaqRequest = (
   input: CreateFaqRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.IndexId !== undefined) {
-    bodyParams["IndexId"] = input.IndexId;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.RoleArn !== undefined) {
-    bodyParams["RoleArn"] = input.RoleArn;
-  }
-  if (input.S3Path !== undefined) {
-    bodyParams["S3Path"] = serializeAws_json1_1S3Path(input.S3Path, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.IndexId !== undefined && { IndexId: input.IndexId }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.RoleArn !== undefined && { RoleArn: input.RoleArn }),
+    ...(input.S3Path !== undefined && {
+      S3Path: serializeAws_json1_1S3Path(input.S3Path, context)
+    })
+  };
 };
 
 const serializeAws_json1_1CreateIndexRequest = (
   input: CreateIndexRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.RoleArn !== undefined) {
-    bodyParams["RoleArn"] = input.RoleArn;
-  }
-  if (input.ServerSideEncryptionConfiguration !== undefined) {
-    bodyParams[
-      "ServerSideEncryptionConfiguration"
-    ] = serializeAws_json1_1ServerSideEncryptionConfiguration(
-      input.ServerSideEncryptionConfiguration,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.RoleArn !== undefined && { RoleArn: input.RoleArn }),
+    ...(input.ServerSideEncryptionConfiguration !== undefined && {
+      ServerSideEncryptionConfiguration: serializeAws_json1_1ServerSideEncryptionConfiguration(
+        input.ServerSideEncryptionConfiguration,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1DataSourceConfiguration = (
   input: DataSourceConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DatabaseConfiguration !== undefined) {
-    bodyParams[
-      "DatabaseConfiguration"
-    ] = serializeAws_json1_1DatabaseConfiguration(
-      input.DatabaseConfiguration,
-      context
-    );
-  }
-  if (input.S3Configuration !== undefined) {
-    bodyParams[
-      "S3Configuration"
-    ] = serializeAws_json1_1S3DataSourceConfiguration(
-      input.S3Configuration,
-      context
-    );
-  }
-  if (input.SharePointConfiguration !== undefined) {
-    bodyParams[
-      "SharePointConfiguration"
-    ] = serializeAws_json1_1SharePointConfiguration(
-      input.SharePointConfiguration,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.DatabaseConfiguration !== undefined && {
+      DatabaseConfiguration: serializeAws_json1_1DatabaseConfiguration(
+        input.DatabaseConfiguration,
+        context
+      )
+    }),
+    ...(input.S3Configuration !== undefined && {
+      S3Configuration: serializeAws_json1_1S3DataSourceConfiguration(
+        input.S3Configuration,
+        context
+      )
+    }),
+    ...(input.SharePointConfiguration !== undefined && {
+      SharePointConfiguration: serializeAws_json1_1SharePointConfiguration(
+        input.SharePointConfiguration,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1DataSourceInclusionsExclusionsStrings = (
@@ -3247,17 +3183,17 @@ const serializeAws_json1_1DataSourceToIndexFieldMapping = (
   input: DataSourceToIndexFieldMapping,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DataSourceFieldName !== undefined) {
-    bodyParams["DataSourceFieldName"] = input.DataSourceFieldName;
-  }
-  if (input.DateFieldFormat !== undefined) {
-    bodyParams["DateFieldFormat"] = input.DateFieldFormat;
-  }
-  if (input.IndexFieldName !== undefined) {
-    bodyParams["IndexFieldName"] = input.IndexFieldName;
-  }
-  return bodyParams;
+  return {
+    ...(input.DataSourceFieldName !== undefined && {
+      DataSourceFieldName: input.DataSourceFieldName
+    }),
+    ...(input.DateFieldFormat !== undefined && {
+      DateFieldFormat: input.DateFieldFormat
+    }),
+    ...(input.IndexFieldName !== undefined && {
+      IndexFieldName: input.IndexFieldName
+    })
+  };
 };
 
 const serializeAws_json1_1DataSourceToIndexFieldMappingList = (
@@ -3273,175 +3209,141 @@ const serializeAws_json1_1DataSourceVpcConfiguration = (
   input: DataSourceVpcConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.SecurityGroupIds !== undefined) {
-    bodyParams["SecurityGroupIds"] = serializeAws_json1_1SecurityGroupIdList(
-      input.SecurityGroupIds,
-      context
-    );
-  }
-  if (input.SubnetIds !== undefined) {
-    bodyParams["SubnetIds"] = serializeAws_json1_1SubnetIdList(
-      input.SubnetIds,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.SecurityGroupIds !== undefined && {
+      SecurityGroupIds: serializeAws_json1_1SecurityGroupIdList(
+        input.SecurityGroupIds,
+        context
+      )
+    }),
+    ...(input.SubnetIds !== undefined && {
+      SubnetIds: serializeAws_json1_1SubnetIdList(input.SubnetIds, context)
+    })
+  };
 };
 
 const serializeAws_json1_1DatabaseConfiguration = (
   input: DatabaseConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AclConfiguration !== undefined) {
-    bodyParams["AclConfiguration"] = serializeAws_json1_1AclConfiguration(
-      input.AclConfiguration,
-      context
-    );
-  }
-  if (input.ColumnConfiguration !== undefined) {
-    bodyParams["ColumnConfiguration"] = serializeAws_json1_1ColumnConfiguration(
-      input.ColumnConfiguration,
-      context
-    );
-  }
-  if (input.ConnectionConfiguration !== undefined) {
-    bodyParams[
-      "ConnectionConfiguration"
-    ] = serializeAws_json1_1ConnectionConfiguration(
-      input.ConnectionConfiguration,
-      context
-    );
-  }
-  if (input.DatabaseEngineType !== undefined) {
-    bodyParams["DatabaseEngineType"] = input.DatabaseEngineType;
-  }
-  if (input.VpcConfiguration !== undefined) {
-    bodyParams[
-      "VpcConfiguration"
-    ] = serializeAws_json1_1DataSourceVpcConfiguration(
-      input.VpcConfiguration,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.AclConfiguration !== undefined && {
+      AclConfiguration: serializeAws_json1_1AclConfiguration(
+        input.AclConfiguration,
+        context
+      )
+    }),
+    ...(input.ColumnConfiguration !== undefined && {
+      ColumnConfiguration: serializeAws_json1_1ColumnConfiguration(
+        input.ColumnConfiguration,
+        context
+      )
+    }),
+    ...(input.ConnectionConfiguration !== undefined && {
+      ConnectionConfiguration: serializeAws_json1_1ConnectionConfiguration(
+        input.ConnectionConfiguration,
+        context
+      )
+    }),
+    ...(input.DatabaseEngineType !== undefined && {
+      DatabaseEngineType: input.DatabaseEngineType
+    }),
+    ...(input.VpcConfiguration !== undefined && {
+      VpcConfiguration: serializeAws_json1_1DataSourceVpcConfiguration(
+        input.VpcConfiguration,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteFaqRequest = (
   input: DeleteFaqRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Id !== undefined) {
-    bodyParams["Id"] = input.Id;
-  }
-  if (input.IndexId !== undefined) {
-    bodyParams["IndexId"] = input.IndexId;
-  }
-  return bodyParams;
+  return {
+    ...(input.Id !== undefined && { Id: input.Id }),
+    ...(input.IndexId !== undefined && { IndexId: input.IndexId })
+  };
 };
 
 const serializeAws_json1_1DeleteIndexRequest = (
   input: DeleteIndexRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Id !== undefined) {
-    bodyParams["Id"] = input.Id;
-  }
-  return bodyParams;
+  return {
+    ...(input.Id !== undefined && { Id: input.Id })
+  };
 };
 
 const serializeAws_json1_1DescribeDataSourceRequest = (
   input: DescribeDataSourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Id !== undefined) {
-    bodyParams["Id"] = input.Id;
-  }
-  if (input.IndexId !== undefined) {
-    bodyParams["IndexId"] = input.IndexId;
-  }
-  return bodyParams;
+  return {
+    ...(input.Id !== undefined && { Id: input.Id }),
+    ...(input.IndexId !== undefined && { IndexId: input.IndexId })
+  };
 };
 
 const serializeAws_json1_1DescribeFaqRequest = (
   input: DescribeFaqRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Id !== undefined) {
-    bodyParams["Id"] = input.Id;
-  }
-  if (input.IndexId !== undefined) {
-    bodyParams["IndexId"] = input.IndexId;
-  }
-  return bodyParams;
+  return {
+    ...(input.Id !== undefined && { Id: input.Id }),
+    ...(input.IndexId !== undefined && { IndexId: input.IndexId })
+  };
 };
 
 const serializeAws_json1_1DescribeIndexRequest = (
   input: DescribeIndexRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Id !== undefined) {
-    bodyParams["Id"] = input.Id;
-  }
-  return bodyParams;
+  return {
+    ...(input.Id !== undefined && { Id: input.Id })
+  };
 };
 
 const serializeAws_json1_1Document = (
   input: Document,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AccessControlList !== undefined) {
-    bodyParams["AccessControlList"] = serializeAws_json1_1PrincipalList(
-      input.AccessControlList,
-      context
-    );
-  }
-  if (input.Attributes !== undefined) {
-    bodyParams["Attributes"] = serializeAws_json1_1DocumentAttributeList(
-      input.Attributes,
-      context
-    );
-  }
-  if (input.Blob !== undefined) {
-    bodyParams["Blob"] = context.base64Encoder(input.Blob);
-  }
-  if (input.ContentType !== undefined) {
-    bodyParams["ContentType"] = input.ContentType;
-  }
-  if (input.Id !== undefined) {
-    bodyParams["Id"] = input.Id;
-  }
-  if (input.S3Path !== undefined) {
-    bodyParams["S3Path"] = serializeAws_json1_1S3Path(input.S3Path, context);
-  }
-  if (input.Title !== undefined) {
-    bodyParams["Title"] = input.Title;
-  }
-  return bodyParams;
+  return {
+    ...(input.AccessControlList !== undefined && {
+      AccessControlList: serializeAws_json1_1PrincipalList(
+        input.AccessControlList,
+        context
+      )
+    }),
+    ...(input.Attributes !== undefined && {
+      Attributes: serializeAws_json1_1DocumentAttributeList(
+        input.Attributes,
+        context
+      )
+    }),
+    ...(input.Blob !== undefined && {
+      Blob: context.base64Encoder(input.Blob)
+    }),
+    ...(input.ContentType !== undefined && { ContentType: input.ContentType }),
+    ...(input.Id !== undefined && { Id: input.Id }),
+    ...(input.S3Path !== undefined && {
+      S3Path: serializeAws_json1_1S3Path(input.S3Path, context)
+    }),
+    ...(input.Title !== undefined && { Title: input.Title })
+  };
 };
 
 const serializeAws_json1_1DocumentAttribute = (
   input: DocumentAttribute,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Key !== undefined) {
-    bodyParams["Key"] = input.Key;
-  }
-  if (input.Value !== undefined) {
-    bodyParams["Value"] = serializeAws_json1_1DocumentAttributeValue(
-      input.Value,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Key !== undefined && { Key: input.Key }),
+    ...(input.Value !== undefined && {
+      Value: serializeAws_json1_1DocumentAttributeValue(input.Value, context)
+    })
+  };
 };
 
 const serializeAws_json1_1DocumentAttributeKeyList = (
@@ -3471,25 +3373,19 @@ const serializeAws_json1_1DocumentAttributeValue = (
   input: DocumentAttributeValue,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DateValue !== undefined) {
-    bodyParams["DateValue"] = Math.round(input.DateValue.getTime() / 1000);
-  }
-  if (input.LongValue !== undefined) {
-    bodyParams["LongValue"] = input.LongValue;
-  }
-  if (input.StringListValue !== undefined) {
-    bodyParams[
-      "StringListValue"
-    ] = serializeAws_json1_1DocumentAttributeStringListValue(
-      input.StringListValue,
-      context
-    );
-  }
-  if (input.StringValue !== undefined) {
-    bodyParams["StringValue"] = input.StringValue;
-  }
-  return bodyParams;
+  return {
+    ...(input.DateValue !== undefined && {
+      DateValue: Math.round(input.DateValue.getTime() / 1000)
+    }),
+    ...(input.LongValue !== undefined && { LongValue: input.LongValue }),
+    ...(input.StringListValue !== undefined && {
+      StringListValue: serializeAws_json1_1DocumentAttributeStringListValue(
+        input.StringListValue,
+        context
+      )
+    }),
+    ...(input.StringValue !== undefined && { StringValue: input.StringValue })
+  };
 };
 
 const serializeAws_json1_1DocumentIdList = (
@@ -3510,23 +3406,16 @@ const serializeAws_json1_1DocumentMetadataConfiguration = (
   input: DocumentMetadataConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.Relevance !== undefined) {
-    bodyParams["Relevance"] = serializeAws_json1_1Relevance(
-      input.Relevance,
-      context
-    );
-  }
-  if (input.Search !== undefined) {
-    bodyParams["Search"] = serializeAws_json1_1Search(input.Search, context);
-  }
-  if (input.Type !== undefined) {
-    bodyParams["Type"] = input.Type;
-  }
-  return bodyParams;
+  return {
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.Relevance !== undefined && {
+      Relevance: serializeAws_json1_1Relevance(input.Relevance, context)
+    }),
+    ...(input.Search !== undefined && {
+      Search: serializeAws_json1_1Search(input.Search, context)
+    }),
+    ...(input.Type !== undefined && { Type: input.Type })
+  };
 };
 
 const serializeAws_json1_1DocumentMetadataConfigurationList = (
@@ -3542,22 +3431,20 @@ const serializeAws_json1_1DocumentsMetadataConfiguration = (
   input: DocumentsMetadataConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.S3Prefix !== undefined) {
-    bodyParams["S3Prefix"] = input.S3Prefix;
-  }
-  return bodyParams;
+  return {
+    ...(input.S3Prefix !== undefined && { S3Prefix: input.S3Prefix })
+  };
 };
 
 const serializeAws_json1_1Facet = (
   input: Facet,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DocumentAttributeKey !== undefined) {
-    bodyParams["DocumentAttributeKey"] = input.DocumentAttributeKey;
-  }
-  return bodyParams;
+  return {
+    ...(input.DocumentAttributeKey !== undefined && {
+      DocumentAttributeKey: input.DocumentAttributeKey
+    })
+  };
 };
 
 const serializeAws_json1_1FacetList = (
@@ -3571,94 +3458,64 @@ const serializeAws_json1_1ListDataSourceSyncJobsRequest = (
   input: ListDataSourceSyncJobsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Id !== undefined) {
-    bodyParams["Id"] = input.Id;
-  }
-  if (input.IndexId !== undefined) {
-    bodyParams["IndexId"] = input.IndexId;
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.StartTimeFilter !== undefined) {
-    bodyParams["StartTimeFilter"] = serializeAws_json1_1TimeRange(
-      input.StartTimeFilter,
-      context
-    );
-  }
-  if (input.StatusFilter !== undefined) {
-    bodyParams["StatusFilter"] = input.StatusFilter;
-  }
-  return bodyParams;
+  return {
+    ...(input.Id !== undefined && { Id: input.Id }),
+    ...(input.IndexId !== undefined && { IndexId: input.IndexId }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.StartTimeFilter !== undefined && {
+      StartTimeFilter: serializeAws_json1_1TimeRange(
+        input.StartTimeFilter,
+        context
+      )
+    }),
+    ...(input.StatusFilter !== undefined && {
+      StatusFilter: input.StatusFilter
+    })
+  };
 };
 
 const serializeAws_json1_1ListDataSourcesRequest = (
   input: ListDataSourcesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.IndexId !== undefined) {
-    bodyParams["IndexId"] = input.IndexId;
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.IndexId !== undefined && { IndexId: input.IndexId }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1ListFaqsRequest = (
   input: ListFaqsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.IndexId !== undefined) {
-    bodyParams["IndexId"] = input.IndexId;
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.IndexId !== undefined && { IndexId: input.IndexId }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1ListIndicesRequest = (
   input: ListIndicesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1Principal = (
   input: Principal,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Access !== undefined) {
-    bodyParams["Access"] = input.Access;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.Type !== undefined) {
-    bodyParams["Type"] = input.Type;
-  }
-  return bodyParams;
+  return {
+    ...(input.Access !== undefined && { Access: input.Access }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.Type !== undefined && { Type: input.Type })
+  };
 };
 
 const serializeAws_json1_1PrincipalList = (
@@ -3672,80 +3529,60 @@ const serializeAws_json1_1QueryRequest = (
   input: QueryRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AttributeFilter !== undefined) {
-    bodyParams["AttributeFilter"] = serializeAws_json1_1AttributeFilter(
-      input.AttributeFilter,
-      context
-    );
-  }
-  if (input.Facets !== undefined) {
-    bodyParams["Facets"] = serializeAws_json1_1FacetList(input.Facets, context);
-  }
-  if (input.IndexId !== undefined) {
-    bodyParams["IndexId"] = input.IndexId;
-  }
-  if (input.PageNumber !== undefined) {
-    bodyParams["PageNumber"] = input.PageNumber;
-  }
-  if (input.PageSize !== undefined) {
-    bodyParams["PageSize"] = input.PageSize;
-  }
-  if (input.QueryResultTypeFilter !== undefined) {
-    bodyParams["QueryResultTypeFilter"] = input.QueryResultTypeFilter;
-  }
-  if (input.QueryText !== undefined) {
-    bodyParams["QueryText"] = input.QueryText;
-  }
-  if (input.RequestedDocumentAttributes !== undefined) {
-    bodyParams[
-      "RequestedDocumentAttributes"
-    ] = serializeAws_json1_1DocumentAttributeKeyList(
-      input.RequestedDocumentAttributes,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.AttributeFilter !== undefined && {
+      AttributeFilter: serializeAws_json1_1AttributeFilter(
+        input.AttributeFilter,
+        context
+      )
+    }),
+    ...(input.Facets !== undefined && {
+      Facets: serializeAws_json1_1FacetList(input.Facets, context)
+    }),
+    ...(input.IndexId !== undefined && { IndexId: input.IndexId }),
+    ...(input.PageNumber !== undefined && { PageNumber: input.PageNumber }),
+    ...(input.PageSize !== undefined && { PageSize: input.PageSize }),
+    ...(input.QueryResultTypeFilter !== undefined && {
+      QueryResultTypeFilter: input.QueryResultTypeFilter
+    }),
+    ...(input.QueryText !== undefined && { QueryText: input.QueryText }),
+    ...(input.RequestedDocumentAttributes !== undefined && {
+      RequestedDocumentAttributes: serializeAws_json1_1DocumentAttributeKeyList(
+        input.RequestedDocumentAttributes,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1Relevance = (
   input: Relevance,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Duration !== undefined) {
-    bodyParams["Duration"] = input.Duration;
-  }
-  if (input.Freshness !== undefined) {
-    bodyParams["Freshness"] = input.Freshness;
-  }
-  if (input.Importance !== undefined) {
-    bodyParams["Importance"] = input.Importance;
-  }
-  if (input.RankOrder !== undefined) {
-    bodyParams["RankOrder"] = input.RankOrder;
-  }
-  if (input.ValueImportanceMap !== undefined) {
-    bodyParams["ValueImportanceMap"] = serializeAws_json1_1ValueImportanceMap(
-      input.ValueImportanceMap,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Duration !== undefined && { Duration: input.Duration }),
+    ...(input.Freshness !== undefined && { Freshness: input.Freshness }),
+    ...(input.Importance !== undefined && { Importance: input.Importance }),
+    ...(input.RankOrder !== undefined && { RankOrder: input.RankOrder }),
+    ...(input.ValueImportanceMap !== undefined && {
+      ValueImportanceMap: serializeAws_json1_1ValueImportanceMap(
+        input.ValueImportanceMap,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1RelevanceFeedback = (
   input: RelevanceFeedback,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.RelevanceValue !== undefined) {
-    bodyParams["RelevanceValue"] = input.RelevanceValue;
-  }
-  if (input.ResultId !== undefined) {
-    bodyParams["ResultId"] = input.ResultId;
-  }
-  return bodyParams;
+  return {
+    ...(input.RelevanceValue !== undefined && {
+      RelevanceValue: input.RelevanceValue
+    }),
+    ...(input.ResultId !== undefined && { ResultId: input.ResultId })
+  };
 };
 
 const serializeAws_json1_1RelevanceFeedbackList = (
@@ -3761,74 +3598,54 @@ const serializeAws_json1_1S3DataSourceConfiguration = (
   input: S3DataSourceConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AccessControlListConfiguration !== undefined) {
-    bodyParams[
-      "AccessControlListConfiguration"
-    ] = serializeAws_json1_1AccessControlListConfiguration(
-      input.AccessControlListConfiguration,
-      context
-    );
-  }
-  if (input.BucketName !== undefined) {
-    bodyParams["BucketName"] = input.BucketName;
-  }
-  if (input.DocumentsMetadataConfiguration !== undefined) {
-    bodyParams[
-      "DocumentsMetadataConfiguration"
-    ] = serializeAws_json1_1DocumentsMetadataConfiguration(
-      input.DocumentsMetadataConfiguration,
-      context
-    );
-  }
-  if (input.ExclusionPatterns !== undefined) {
-    bodyParams[
-      "ExclusionPatterns"
-    ] = serializeAws_json1_1DataSourceInclusionsExclusionsStrings(
-      input.ExclusionPatterns,
-      context
-    );
-  }
-  if (input.InclusionPrefixes !== undefined) {
-    bodyParams[
-      "InclusionPrefixes"
-    ] = serializeAws_json1_1DataSourceInclusionsExclusionsStrings(
-      input.InclusionPrefixes,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.AccessControlListConfiguration !== undefined && {
+      AccessControlListConfiguration: serializeAws_json1_1AccessControlListConfiguration(
+        input.AccessControlListConfiguration,
+        context
+      )
+    }),
+    ...(input.BucketName !== undefined && { BucketName: input.BucketName }),
+    ...(input.DocumentsMetadataConfiguration !== undefined && {
+      DocumentsMetadataConfiguration: serializeAws_json1_1DocumentsMetadataConfiguration(
+        input.DocumentsMetadataConfiguration,
+        context
+      )
+    }),
+    ...(input.ExclusionPatterns !== undefined && {
+      ExclusionPatterns: serializeAws_json1_1DataSourceInclusionsExclusionsStrings(
+        input.ExclusionPatterns,
+        context
+      )
+    }),
+    ...(input.InclusionPrefixes !== undefined && {
+      InclusionPrefixes: serializeAws_json1_1DataSourceInclusionsExclusionsStrings(
+        input.InclusionPrefixes,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1S3Path = (
   input: S3Path,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Bucket !== undefined) {
-    bodyParams["Bucket"] = input.Bucket;
-  }
-  if (input.Key !== undefined) {
-    bodyParams["Key"] = input.Key;
-  }
-  return bodyParams;
+  return {
+    ...(input.Bucket !== undefined && { Bucket: input.Bucket }),
+    ...(input.Key !== undefined && { Key: input.Key })
+  };
 };
 
 const serializeAws_json1_1Search = (
   input: Search,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Displayable !== undefined) {
-    bodyParams["Displayable"] = input.Displayable;
-  }
-  if (input.Facetable !== undefined) {
-    bodyParams["Facetable"] = input.Facetable;
-  }
-  if (input.Searchable !== undefined) {
-    bodyParams["Searchable"] = input.Searchable;
-  }
-  return bodyParams;
+  return {
+    ...(input.Displayable !== undefined && { Displayable: input.Displayable }),
+    ...(input.Facetable !== undefined && { Facetable: input.Facetable }),
+    ...(input.Searchable !== undefined && { Searchable: input.Searchable })
+  };
 };
 
 const serializeAws_json1_1SecurityGroupIdList = (
@@ -3842,53 +3659,42 @@ const serializeAws_json1_1ServerSideEncryptionConfiguration = (
   input: ServerSideEncryptionConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.KmsKeyId !== undefined) {
-    bodyParams["KmsKeyId"] = input.KmsKeyId;
-  }
-  return bodyParams;
+  return {
+    ...(input.KmsKeyId !== undefined && { KmsKeyId: input.KmsKeyId })
+  };
 };
 
 const serializeAws_json1_1SharePointConfiguration = (
   input: SharePointConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CrawlAttachments !== undefined) {
-    bodyParams["CrawlAttachments"] = input.CrawlAttachments;
-  }
-  if (input.DocumentTitleFieldName !== undefined) {
-    bodyParams["DocumentTitleFieldName"] = input.DocumentTitleFieldName;
-  }
-  if (input.FieldMappings !== undefined) {
-    bodyParams[
-      "FieldMappings"
-    ] = serializeAws_json1_1DataSourceToIndexFieldMappingList(
-      input.FieldMappings,
-      context
-    );
-  }
-  if (input.SecretArn !== undefined) {
-    bodyParams["SecretArn"] = input.SecretArn;
-  }
-  if (input.SharePointVersion !== undefined) {
-    bodyParams["SharePointVersion"] = input.SharePointVersion;
-  }
-  if (input.Urls !== undefined) {
-    bodyParams["Urls"] = serializeAws_json1_1SharePointUrlList(
-      input.Urls,
-      context
-    );
-  }
-  if (input.VpcConfiguration !== undefined) {
-    bodyParams[
-      "VpcConfiguration"
-    ] = serializeAws_json1_1DataSourceVpcConfiguration(
-      input.VpcConfiguration,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.CrawlAttachments !== undefined && {
+      CrawlAttachments: input.CrawlAttachments
+    }),
+    ...(input.DocumentTitleFieldName !== undefined && {
+      DocumentTitleFieldName: input.DocumentTitleFieldName
+    }),
+    ...(input.FieldMappings !== undefined && {
+      FieldMappings: serializeAws_json1_1DataSourceToIndexFieldMappingList(
+        input.FieldMappings,
+        context
+      )
+    }),
+    ...(input.SecretArn !== undefined && { SecretArn: input.SecretArn }),
+    ...(input.SharePointVersion !== undefined && {
+      SharePointVersion: input.SharePointVersion
+    }),
+    ...(input.Urls !== undefined && {
+      Urls: serializeAws_json1_1SharePointUrlList(input.Urls, context)
+    }),
+    ...(input.VpcConfiguration !== undefined && {
+      VpcConfiguration: serializeAws_json1_1DataSourceVpcConfiguration(
+        input.VpcConfiguration,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1SharePointUrlList = (
@@ -3902,56 +3708,42 @@ const serializeAws_json1_1StartDataSourceSyncJobRequest = (
   input: StartDataSourceSyncJobRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Id !== undefined) {
-    bodyParams["Id"] = input.Id;
-  }
-  if (input.IndexId !== undefined) {
-    bodyParams["IndexId"] = input.IndexId;
-  }
-  return bodyParams;
+  return {
+    ...(input.Id !== undefined && { Id: input.Id }),
+    ...(input.IndexId !== undefined && { IndexId: input.IndexId })
+  };
 };
 
 const serializeAws_json1_1StopDataSourceSyncJobRequest = (
   input: StopDataSourceSyncJobRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Id !== undefined) {
-    bodyParams["Id"] = input.Id;
-  }
-  if (input.IndexId !== undefined) {
-    bodyParams["IndexId"] = input.IndexId;
-  }
-  return bodyParams;
+  return {
+    ...(input.Id !== undefined && { Id: input.Id }),
+    ...(input.IndexId !== undefined && { IndexId: input.IndexId })
+  };
 };
 
 const serializeAws_json1_1SubmitFeedbackRequest = (
   input: SubmitFeedbackRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ClickFeedbackItems !== undefined) {
-    bodyParams["ClickFeedbackItems"] = serializeAws_json1_1ClickFeedbackList(
-      input.ClickFeedbackItems,
-      context
-    );
-  }
-  if (input.IndexId !== undefined) {
-    bodyParams["IndexId"] = input.IndexId;
-  }
-  if (input.QueryId !== undefined) {
-    bodyParams["QueryId"] = input.QueryId;
-  }
-  if (input.RelevanceFeedbackItems !== undefined) {
-    bodyParams[
-      "RelevanceFeedbackItems"
-    ] = serializeAws_json1_1RelevanceFeedbackList(
-      input.RelevanceFeedbackItems,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ClickFeedbackItems !== undefined && {
+      ClickFeedbackItems: serializeAws_json1_1ClickFeedbackList(
+        input.ClickFeedbackItems,
+        context
+      )
+    }),
+    ...(input.IndexId !== undefined && { IndexId: input.IndexId }),
+    ...(input.QueryId !== undefined && { QueryId: input.QueryId }),
+    ...(input.RelevanceFeedbackItems !== undefined && {
+      RelevanceFeedbackItems: serializeAws_json1_1RelevanceFeedbackList(
+        input.RelevanceFeedbackItems,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1SubnetIdList = (
@@ -3965,74 +3757,52 @@ const serializeAws_json1_1TimeRange = (
   input: TimeRange,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EndTime !== undefined) {
-    bodyParams["EndTime"] = Math.round(input.EndTime.getTime() / 1000);
-  }
-  if (input.StartTime !== undefined) {
-    bodyParams["StartTime"] = Math.round(input.StartTime.getTime() / 1000);
-  }
-  return bodyParams;
+  return {
+    ...(input.EndTime !== undefined && {
+      EndTime: Math.round(input.EndTime.getTime() / 1000)
+    }),
+    ...(input.StartTime !== undefined && {
+      StartTime: Math.round(input.StartTime.getTime() / 1000)
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateDataSourceRequest = (
   input: UpdateDataSourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Configuration !== undefined) {
-    bodyParams["Configuration"] = serializeAws_json1_1DataSourceConfiguration(
-      input.Configuration,
-      context
-    );
-  }
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.Id !== undefined) {
-    bodyParams["Id"] = input.Id;
-  }
-  if (input.IndexId !== undefined) {
-    bodyParams["IndexId"] = input.IndexId;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.RoleArn !== undefined) {
-    bodyParams["RoleArn"] = input.RoleArn;
-  }
-  if (input.Schedule !== undefined) {
-    bodyParams["Schedule"] = input.Schedule;
-  }
-  return bodyParams;
+  return {
+    ...(input.Configuration !== undefined && {
+      Configuration: serializeAws_json1_1DataSourceConfiguration(
+        input.Configuration,
+        context
+      )
+    }),
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.Id !== undefined && { Id: input.Id }),
+    ...(input.IndexId !== undefined && { IndexId: input.IndexId }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.RoleArn !== undefined && { RoleArn: input.RoleArn }),
+    ...(input.Schedule !== undefined && { Schedule: input.Schedule })
+  };
 };
 
 const serializeAws_json1_1UpdateIndexRequest = (
   input: UpdateIndexRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.DocumentMetadataConfigurationUpdates !== undefined) {
-    bodyParams[
-      "DocumentMetadataConfigurationUpdates"
-    ] = serializeAws_json1_1DocumentMetadataConfigurationList(
-      input.DocumentMetadataConfigurationUpdates,
-      context
-    );
-  }
-  if (input.Id !== undefined) {
-    bodyParams["Id"] = input.Id;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.RoleArn !== undefined) {
-    bodyParams["RoleArn"] = input.RoleArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.DocumentMetadataConfigurationUpdates !== undefined && {
+      DocumentMetadataConfigurationUpdates: serializeAws_json1_1DocumentMetadataConfigurationList(
+        input.DocumentMetadataConfigurationUpdates,
+        context
+      )
+    }),
+    ...(input.Id !== undefined && { Id: input.Id }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.RoleArn !== undefined && { RoleArn: input.RoleArn })
+  };
 };
 
 const serializeAws_json1_1ValueImportanceMap = (
diff --git a/clients/client-kinesis-analytics-v2/protocols/Aws_json1_1.ts b/clients/client-kinesis-analytics-v2/protocols/Aws_json1_1.ts
index 3176cd11a01d..2bd4c55924ff 100644
--- a/clients/client-kinesis-analytics-v2/protocols/Aws_json1_1.ts
+++ b/clients/client-kinesis-analytics-v2/protocols/Aws_json1_1.ts
@@ -3656,387 +3656,349 @@ const serializeAws_json1_1AddApplicationCloudWatchLoggingOptionRequest = (
   input: AddApplicationCloudWatchLoggingOptionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ApplicationName !== undefined) {
-    bodyParams["ApplicationName"] = input.ApplicationName;
-  }
-  if (input.CloudWatchLoggingOption !== undefined) {
-    bodyParams[
-      "CloudWatchLoggingOption"
-    ] = serializeAws_json1_1CloudWatchLoggingOption(
-      input.CloudWatchLoggingOption,
-      context
-    );
-  }
-  if (input.CurrentApplicationVersionId !== undefined) {
-    bodyParams["CurrentApplicationVersionId"] =
-      input.CurrentApplicationVersionId;
-  }
-  return bodyParams;
+  return {
+    ...(input.ApplicationName !== undefined && {
+      ApplicationName: input.ApplicationName
+    }),
+    ...(input.CloudWatchLoggingOption !== undefined && {
+      CloudWatchLoggingOption: serializeAws_json1_1CloudWatchLoggingOption(
+        input.CloudWatchLoggingOption,
+        context
+      )
+    }),
+    ...(input.CurrentApplicationVersionId !== undefined && {
+      CurrentApplicationVersionId: input.CurrentApplicationVersionId
+    })
+  };
 };
 
 const serializeAws_json1_1AddApplicationInputProcessingConfigurationRequest = (
   input: AddApplicationInputProcessingConfigurationRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ApplicationName !== undefined) {
-    bodyParams["ApplicationName"] = input.ApplicationName;
-  }
-  if (input.CurrentApplicationVersionId !== undefined) {
-    bodyParams["CurrentApplicationVersionId"] =
-      input.CurrentApplicationVersionId;
-  }
-  if (input.InputId !== undefined) {
-    bodyParams["InputId"] = input.InputId;
-  }
-  if (input.InputProcessingConfiguration !== undefined) {
-    bodyParams[
-      "InputProcessingConfiguration"
-    ] = serializeAws_json1_1InputProcessingConfiguration(
-      input.InputProcessingConfiguration,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ApplicationName !== undefined && {
+      ApplicationName: input.ApplicationName
+    }),
+    ...(input.CurrentApplicationVersionId !== undefined && {
+      CurrentApplicationVersionId: input.CurrentApplicationVersionId
+    }),
+    ...(input.InputId !== undefined && { InputId: input.InputId }),
+    ...(input.InputProcessingConfiguration !== undefined && {
+      InputProcessingConfiguration: serializeAws_json1_1InputProcessingConfiguration(
+        input.InputProcessingConfiguration,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1AddApplicationInputRequest = (
   input: AddApplicationInputRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ApplicationName !== undefined) {
-    bodyParams["ApplicationName"] = input.ApplicationName;
-  }
-  if (input.CurrentApplicationVersionId !== undefined) {
-    bodyParams["CurrentApplicationVersionId"] =
-      input.CurrentApplicationVersionId;
-  }
-  if (input.Input !== undefined) {
-    bodyParams["Input"] = serializeAws_json1_1Input(input.Input, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.ApplicationName !== undefined && {
+      ApplicationName: input.ApplicationName
+    }),
+    ...(input.CurrentApplicationVersionId !== undefined && {
+      CurrentApplicationVersionId: input.CurrentApplicationVersionId
+    }),
+    ...(input.Input !== undefined && {
+      Input: serializeAws_json1_1Input(input.Input, context)
+    })
+  };
 };
 
 const serializeAws_json1_1AddApplicationOutputRequest = (
   input: AddApplicationOutputRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ApplicationName !== undefined) {
-    bodyParams["ApplicationName"] = input.ApplicationName;
-  }
-  if (input.CurrentApplicationVersionId !== undefined) {
-    bodyParams["CurrentApplicationVersionId"] =
-      input.CurrentApplicationVersionId;
-  }
-  if (input.Output !== undefined) {
-    bodyParams["Output"] = serializeAws_json1_1Output(input.Output, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.ApplicationName !== undefined && {
+      ApplicationName: input.ApplicationName
+    }),
+    ...(input.CurrentApplicationVersionId !== undefined && {
+      CurrentApplicationVersionId: input.CurrentApplicationVersionId
+    }),
+    ...(input.Output !== undefined && {
+      Output: serializeAws_json1_1Output(input.Output, context)
+    })
+  };
 };
 
 const serializeAws_json1_1AddApplicationReferenceDataSourceRequest = (
   input: AddApplicationReferenceDataSourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ApplicationName !== undefined) {
-    bodyParams["ApplicationName"] = input.ApplicationName;
-  }
-  if (input.CurrentApplicationVersionId !== undefined) {
-    bodyParams["CurrentApplicationVersionId"] =
-      input.CurrentApplicationVersionId;
-  }
-  if (input.ReferenceDataSource !== undefined) {
-    bodyParams["ReferenceDataSource"] = serializeAws_json1_1ReferenceDataSource(
-      input.ReferenceDataSource,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ApplicationName !== undefined && {
+      ApplicationName: input.ApplicationName
+    }),
+    ...(input.CurrentApplicationVersionId !== undefined && {
+      CurrentApplicationVersionId: input.CurrentApplicationVersionId
+    }),
+    ...(input.ReferenceDataSource !== undefined && {
+      ReferenceDataSource: serializeAws_json1_1ReferenceDataSource(
+        input.ReferenceDataSource,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1AddApplicationVpcConfigurationRequest = (
   input: AddApplicationVpcConfigurationRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ApplicationName !== undefined) {
-    bodyParams["ApplicationName"] = input.ApplicationName;
-  }
-  if (input.CurrentApplicationVersionId !== undefined) {
-    bodyParams["CurrentApplicationVersionId"] =
-      input.CurrentApplicationVersionId;
-  }
-  if (input.VpcConfiguration !== undefined) {
-    bodyParams["VpcConfiguration"] = serializeAws_json1_1VpcConfiguration(
-      input.VpcConfiguration,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ApplicationName !== undefined && {
+      ApplicationName: input.ApplicationName
+    }),
+    ...(input.CurrentApplicationVersionId !== undefined && {
+      CurrentApplicationVersionId: input.CurrentApplicationVersionId
+    }),
+    ...(input.VpcConfiguration !== undefined && {
+      VpcConfiguration: serializeAws_json1_1VpcConfiguration(
+        input.VpcConfiguration,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1ApplicationCodeConfiguration = (
   input: ApplicationCodeConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CodeContent !== undefined) {
-    bodyParams["CodeContent"] = serializeAws_json1_1CodeContent(
-      input.CodeContent,
-      context
-    );
-  }
-  if (input.CodeContentType !== undefined) {
-    bodyParams["CodeContentType"] = input.CodeContentType;
-  }
-  return bodyParams;
+  return {
+    ...(input.CodeContent !== undefined && {
+      CodeContent: serializeAws_json1_1CodeContent(input.CodeContent, context)
+    }),
+    ...(input.CodeContentType !== undefined && {
+      CodeContentType: input.CodeContentType
+    })
+  };
 };
 
 const serializeAws_json1_1ApplicationCodeConfigurationUpdate = (
   input: ApplicationCodeConfigurationUpdate,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CodeContentTypeUpdate !== undefined) {
-    bodyParams["CodeContentTypeUpdate"] = input.CodeContentTypeUpdate;
-  }
-  if (input.CodeContentUpdate !== undefined) {
-    bodyParams["CodeContentUpdate"] = serializeAws_json1_1CodeContentUpdate(
-      input.CodeContentUpdate,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.CodeContentTypeUpdate !== undefined && {
+      CodeContentTypeUpdate: input.CodeContentTypeUpdate
+    }),
+    ...(input.CodeContentUpdate !== undefined && {
+      CodeContentUpdate: serializeAws_json1_1CodeContentUpdate(
+        input.CodeContentUpdate,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1ApplicationConfiguration = (
   input: ApplicationConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ApplicationCodeConfiguration !== undefined) {
-    bodyParams[
-      "ApplicationCodeConfiguration"
-    ] = serializeAws_json1_1ApplicationCodeConfiguration(
-      input.ApplicationCodeConfiguration,
-      context
-    );
-  }
-  if (input.ApplicationSnapshotConfiguration !== undefined) {
-    bodyParams[
-      "ApplicationSnapshotConfiguration"
-    ] = serializeAws_json1_1ApplicationSnapshotConfiguration(
-      input.ApplicationSnapshotConfiguration,
-      context
-    );
-  }
-  if (input.EnvironmentProperties !== undefined) {
-    bodyParams[
-      "EnvironmentProperties"
-    ] = serializeAws_json1_1EnvironmentProperties(
-      input.EnvironmentProperties,
-      context
-    );
-  }
-  if (input.FlinkApplicationConfiguration !== undefined) {
-    bodyParams[
-      "FlinkApplicationConfiguration"
-    ] = serializeAws_json1_1FlinkApplicationConfiguration(
-      input.FlinkApplicationConfiguration,
-      context
-    );
-  }
-  if (input.SqlApplicationConfiguration !== undefined) {
-    bodyParams[
-      "SqlApplicationConfiguration"
-    ] = serializeAws_json1_1SqlApplicationConfiguration(
-      input.SqlApplicationConfiguration,
-      context
-    );
-  }
-  if (input.VpcConfigurations !== undefined) {
-    bodyParams["VpcConfigurations"] = serializeAws_json1_1VpcConfigurations(
-      input.VpcConfigurations,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ApplicationCodeConfiguration !== undefined && {
+      ApplicationCodeConfiguration: serializeAws_json1_1ApplicationCodeConfiguration(
+        input.ApplicationCodeConfiguration,
+        context
+      )
+    }),
+    ...(input.ApplicationSnapshotConfiguration !== undefined && {
+      ApplicationSnapshotConfiguration: serializeAws_json1_1ApplicationSnapshotConfiguration(
+        input.ApplicationSnapshotConfiguration,
+        context
+      )
+    }),
+    ...(input.EnvironmentProperties !== undefined && {
+      EnvironmentProperties: serializeAws_json1_1EnvironmentProperties(
+        input.EnvironmentProperties,
+        context
+      )
+    }),
+    ...(input.FlinkApplicationConfiguration !== undefined && {
+      FlinkApplicationConfiguration: serializeAws_json1_1FlinkApplicationConfiguration(
+        input.FlinkApplicationConfiguration,
+        context
+      )
+    }),
+    ...(input.SqlApplicationConfiguration !== undefined && {
+      SqlApplicationConfiguration: serializeAws_json1_1SqlApplicationConfiguration(
+        input.SqlApplicationConfiguration,
+        context
+      )
+    }),
+    ...(input.VpcConfigurations !== undefined && {
+      VpcConfigurations: serializeAws_json1_1VpcConfigurations(
+        input.VpcConfigurations,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1ApplicationConfigurationUpdate = (
   input: ApplicationConfigurationUpdate,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ApplicationCodeConfigurationUpdate !== undefined) {
-    bodyParams[
-      "ApplicationCodeConfigurationUpdate"
-    ] = serializeAws_json1_1ApplicationCodeConfigurationUpdate(
-      input.ApplicationCodeConfigurationUpdate,
-      context
-    );
-  }
-  if (input.ApplicationSnapshotConfigurationUpdate !== undefined) {
-    bodyParams[
-      "ApplicationSnapshotConfigurationUpdate"
-    ] = serializeAws_json1_1ApplicationSnapshotConfigurationUpdate(
-      input.ApplicationSnapshotConfigurationUpdate,
-      context
-    );
-  }
-  if (input.EnvironmentPropertyUpdates !== undefined) {
-    bodyParams[
-      "EnvironmentPropertyUpdates"
-    ] = serializeAws_json1_1EnvironmentPropertyUpdates(
-      input.EnvironmentPropertyUpdates,
-      context
-    );
-  }
-  if (input.FlinkApplicationConfigurationUpdate !== undefined) {
-    bodyParams[
-      "FlinkApplicationConfigurationUpdate"
-    ] = serializeAws_json1_1FlinkApplicationConfigurationUpdate(
-      input.FlinkApplicationConfigurationUpdate,
-      context
-    );
-  }
-  if (input.SqlApplicationConfigurationUpdate !== undefined) {
-    bodyParams[
-      "SqlApplicationConfigurationUpdate"
-    ] = serializeAws_json1_1SqlApplicationConfigurationUpdate(
-      input.SqlApplicationConfigurationUpdate,
-      context
-    );
-  }
-  if (input.VpcConfigurationUpdates !== undefined) {
-    bodyParams[
-      "VpcConfigurationUpdates"
-    ] = serializeAws_json1_1VpcConfigurationUpdates(
-      input.VpcConfigurationUpdates,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ApplicationCodeConfigurationUpdate !== undefined && {
+      ApplicationCodeConfigurationUpdate: serializeAws_json1_1ApplicationCodeConfigurationUpdate(
+        input.ApplicationCodeConfigurationUpdate,
+        context
+      )
+    }),
+    ...(input.ApplicationSnapshotConfigurationUpdate !== undefined && {
+      ApplicationSnapshotConfigurationUpdate: serializeAws_json1_1ApplicationSnapshotConfigurationUpdate(
+        input.ApplicationSnapshotConfigurationUpdate,
+        context
+      )
+    }),
+    ...(input.EnvironmentPropertyUpdates !== undefined && {
+      EnvironmentPropertyUpdates: serializeAws_json1_1EnvironmentPropertyUpdates(
+        input.EnvironmentPropertyUpdates,
+        context
+      )
+    }),
+    ...(input.FlinkApplicationConfigurationUpdate !== undefined && {
+      FlinkApplicationConfigurationUpdate: serializeAws_json1_1FlinkApplicationConfigurationUpdate(
+        input.FlinkApplicationConfigurationUpdate,
+        context
+      )
+    }),
+    ...(input.SqlApplicationConfigurationUpdate !== undefined && {
+      SqlApplicationConfigurationUpdate: serializeAws_json1_1SqlApplicationConfigurationUpdate(
+        input.SqlApplicationConfigurationUpdate,
+        context
+      )
+    }),
+    ...(input.VpcConfigurationUpdates !== undefined && {
+      VpcConfigurationUpdates: serializeAws_json1_1VpcConfigurationUpdates(
+        input.VpcConfigurationUpdates,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1ApplicationRestoreConfiguration = (
   input: ApplicationRestoreConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ApplicationRestoreType !== undefined) {
-    bodyParams["ApplicationRestoreType"] = input.ApplicationRestoreType;
-  }
-  if (input.SnapshotName !== undefined) {
-    bodyParams["SnapshotName"] = input.SnapshotName;
-  }
-  return bodyParams;
+  return {
+    ...(input.ApplicationRestoreType !== undefined && {
+      ApplicationRestoreType: input.ApplicationRestoreType
+    }),
+    ...(input.SnapshotName !== undefined && {
+      SnapshotName: input.SnapshotName
+    })
+  };
 };
 
 const serializeAws_json1_1ApplicationSnapshotConfiguration = (
   input: ApplicationSnapshotConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.SnapshotsEnabled !== undefined) {
-    bodyParams["SnapshotsEnabled"] = input.SnapshotsEnabled;
-  }
-  return bodyParams;
+  return {
+    ...(input.SnapshotsEnabled !== undefined && {
+      SnapshotsEnabled: input.SnapshotsEnabled
+    })
+  };
 };
 
 const serializeAws_json1_1ApplicationSnapshotConfigurationUpdate = (
   input: ApplicationSnapshotConfigurationUpdate,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.SnapshotsEnabledUpdate !== undefined) {
-    bodyParams["SnapshotsEnabledUpdate"] = input.SnapshotsEnabledUpdate;
-  }
-  return bodyParams;
+  return {
+    ...(input.SnapshotsEnabledUpdate !== undefined && {
+      SnapshotsEnabledUpdate: input.SnapshotsEnabledUpdate
+    })
+  };
 };
 
 const serializeAws_json1_1CSVMappingParameters = (
   input: CSVMappingParameters,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.RecordColumnDelimiter !== undefined) {
-    bodyParams["RecordColumnDelimiter"] = input.RecordColumnDelimiter;
-  }
-  if (input.RecordRowDelimiter !== undefined) {
-    bodyParams["RecordRowDelimiter"] = input.RecordRowDelimiter;
-  }
-  return bodyParams;
+  return {
+    ...(input.RecordColumnDelimiter !== undefined && {
+      RecordColumnDelimiter: input.RecordColumnDelimiter
+    }),
+    ...(input.RecordRowDelimiter !== undefined && {
+      RecordRowDelimiter: input.RecordRowDelimiter
+    })
+  };
 };
 
 const serializeAws_json1_1CheckpointConfiguration = (
   input: CheckpointConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CheckpointInterval !== undefined) {
-    bodyParams["CheckpointInterval"] = input.CheckpointInterval;
-  }
-  if (input.CheckpointingEnabled !== undefined) {
-    bodyParams["CheckpointingEnabled"] = input.CheckpointingEnabled;
-  }
-  if (input.ConfigurationType !== undefined) {
-    bodyParams["ConfigurationType"] = input.ConfigurationType;
-  }
-  if (input.MinPauseBetweenCheckpoints !== undefined) {
-    bodyParams["MinPauseBetweenCheckpoints"] = input.MinPauseBetweenCheckpoints;
-  }
-  return bodyParams;
+  return {
+    ...(input.CheckpointInterval !== undefined && {
+      CheckpointInterval: input.CheckpointInterval
+    }),
+    ...(input.CheckpointingEnabled !== undefined && {
+      CheckpointingEnabled: input.CheckpointingEnabled
+    }),
+    ...(input.ConfigurationType !== undefined && {
+      ConfigurationType: input.ConfigurationType
+    }),
+    ...(input.MinPauseBetweenCheckpoints !== undefined && {
+      MinPauseBetweenCheckpoints: input.MinPauseBetweenCheckpoints
+    })
+  };
 };
 
 const serializeAws_json1_1CheckpointConfigurationUpdate = (
   input: CheckpointConfigurationUpdate,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CheckpointIntervalUpdate !== undefined) {
-    bodyParams["CheckpointIntervalUpdate"] = input.CheckpointIntervalUpdate;
-  }
-  if (input.CheckpointingEnabledUpdate !== undefined) {
-    bodyParams["CheckpointingEnabledUpdate"] = input.CheckpointingEnabledUpdate;
-  }
-  if (input.ConfigurationTypeUpdate !== undefined) {
-    bodyParams["ConfigurationTypeUpdate"] = input.ConfigurationTypeUpdate;
-  }
-  if (input.MinPauseBetweenCheckpointsUpdate !== undefined) {
-    bodyParams["MinPauseBetweenCheckpointsUpdate"] =
-      input.MinPauseBetweenCheckpointsUpdate;
-  }
-  return bodyParams;
+  return {
+    ...(input.CheckpointIntervalUpdate !== undefined && {
+      CheckpointIntervalUpdate: input.CheckpointIntervalUpdate
+    }),
+    ...(input.CheckpointingEnabledUpdate !== undefined && {
+      CheckpointingEnabledUpdate: input.CheckpointingEnabledUpdate
+    }),
+    ...(input.ConfigurationTypeUpdate !== undefined && {
+      ConfigurationTypeUpdate: input.ConfigurationTypeUpdate
+    }),
+    ...(input.MinPauseBetweenCheckpointsUpdate !== undefined && {
+      MinPauseBetweenCheckpointsUpdate: input.MinPauseBetweenCheckpointsUpdate
+    })
+  };
 };
 
 const serializeAws_json1_1CloudWatchLoggingOption = (
   input: CloudWatchLoggingOption,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.LogStreamARN !== undefined) {
-    bodyParams["LogStreamARN"] = input.LogStreamARN;
-  }
-  return bodyParams;
+  return {
+    ...(input.LogStreamARN !== undefined && {
+      LogStreamARN: input.LogStreamARN
+    })
+  };
 };
 
 const serializeAws_json1_1CloudWatchLoggingOptionUpdate = (
   input: CloudWatchLoggingOptionUpdate,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CloudWatchLoggingOptionId !== undefined) {
-    bodyParams["CloudWatchLoggingOptionId"] = input.CloudWatchLoggingOptionId;
-  }
-  if (input.LogStreamARNUpdate !== undefined) {
-    bodyParams["LogStreamARNUpdate"] = input.LogStreamARNUpdate;
-  }
-  return bodyParams;
+  return {
+    ...(input.CloudWatchLoggingOptionId !== undefined && {
+      CloudWatchLoggingOptionId: input.CloudWatchLoggingOptionId
+    }),
+    ...(input.LogStreamARNUpdate !== undefined && {
+      LogStreamARNUpdate: input.LogStreamARNUpdate
+    })
+  };
 };
 
 const serializeAws_json1_1CloudWatchLoggingOptionUpdates = (
@@ -4061,607 +4023,537 @@ const serializeAws_json1_1CodeContent = (
   input: CodeContent,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.S3ContentLocation !== undefined) {
-    bodyParams["S3ContentLocation"] = serializeAws_json1_1S3ContentLocation(
-      input.S3ContentLocation,
-      context
-    );
-  }
-  if (input.TextContent !== undefined) {
-    bodyParams["TextContent"] = input.TextContent;
-  }
-  if (input.ZipFileContent !== undefined) {
-    bodyParams["ZipFileContent"] = context.base64Encoder(input.ZipFileContent);
-  }
-  return bodyParams;
+  return {
+    ...(input.S3ContentLocation !== undefined && {
+      S3ContentLocation: serializeAws_json1_1S3ContentLocation(
+        input.S3ContentLocation,
+        context
+      )
+    }),
+    ...(input.TextContent !== undefined && { TextContent: input.TextContent }),
+    ...(input.ZipFileContent !== undefined && {
+      ZipFileContent: context.base64Encoder(input.ZipFileContent)
+    })
+  };
 };
 
 const serializeAws_json1_1CodeContentUpdate = (
   input: CodeContentUpdate,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.S3ContentLocationUpdate !== undefined) {
-    bodyParams[
-      "S3ContentLocationUpdate"
-    ] = serializeAws_json1_1S3ContentLocationUpdate(
-      input.S3ContentLocationUpdate,
-      context
-    );
-  }
-  if (input.TextContentUpdate !== undefined) {
-    bodyParams["TextContentUpdate"] = input.TextContentUpdate;
-  }
-  if (input.ZipFileContentUpdate !== undefined) {
-    bodyParams["ZipFileContentUpdate"] = context.base64Encoder(
-      input.ZipFileContentUpdate
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.S3ContentLocationUpdate !== undefined && {
+      S3ContentLocationUpdate: serializeAws_json1_1S3ContentLocationUpdate(
+        input.S3ContentLocationUpdate,
+        context
+      )
+    }),
+    ...(input.TextContentUpdate !== undefined && {
+      TextContentUpdate: input.TextContentUpdate
+    }),
+    ...(input.ZipFileContentUpdate !== undefined && {
+      ZipFileContentUpdate: context.base64Encoder(input.ZipFileContentUpdate)
+    })
+  };
 };
 
 const serializeAws_json1_1CreateApplicationRequest = (
   input: CreateApplicationRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ApplicationConfiguration !== undefined) {
-    bodyParams[
-      "ApplicationConfiguration"
-    ] = serializeAws_json1_1ApplicationConfiguration(
-      input.ApplicationConfiguration,
-      context
-    );
-  }
-  if (input.ApplicationDescription !== undefined) {
-    bodyParams["ApplicationDescription"] = input.ApplicationDescription;
-  }
-  if (input.ApplicationName !== undefined) {
-    bodyParams["ApplicationName"] = input.ApplicationName;
-  }
-  if (input.CloudWatchLoggingOptions !== undefined) {
-    bodyParams[
-      "CloudWatchLoggingOptions"
-    ] = serializeAws_json1_1CloudWatchLoggingOptions(
-      input.CloudWatchLoggingOptions,
-      context
-    );
-  }
-  if (input.RuntimeEnvironment !== undefined) {
-    bodyParams["RuntimeEnvironment"] = input.RuntimeEnvironment;
-  }
-  if (input.ServiceExecutionRole !== undefined) {
-    bodyParams["ServiceExecutionRole"] = input.ServiceExecutionRole;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1Tags(input.Tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.ApplicationConfiguration !== undefined && {
+      ApplicationConfiguration: serializeAws_json1_1ApplicationConfiguration(
+        input.ApplicationConfiguration,
+        context
+      )
+    }),
+    ...(input.ApplicationDescription !== undefined && {
+      ApplicationDescription: input.ApplicationDescription
+    }),
+    ...(input.ApplicationName !== undefined && {
+      ApplicationName: input.ApplicationName
+    }),
+    ...(input.CloudWatchLoggingOptions !== undefined && {
+      CloudWatchLoggingOptions: serializeAws_json1_1CloudWatchLoggingOptions(
+        input.CloudWatchLoggingOptions,
+        context
+      )
+    }),
+    ...(input.RuntimeEnvironment !== undefined && {
+      RuntimeEnvironment: input.RuntimeEnvironment
+    }),
+    ...(input.ServiceExecutionRole !== undefined && {
+      ServiceExecutionRole: input.ServiceExecutionRole
+    }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1Tags(input.Tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1CreateApplicationSnapshotRequest = (
   input: CreateApplicationSnapshotRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ApplicationName !== undefined) {
-    bodyParams["ApplicationName"] = input.ApplicationName;
-  }
-  if (input.SnapshotName !== undefined) {
-    bodyParams["SnapshotName"] = input.SnapshotName;
-  }
-  return bodyParams;
+  return {
+    ...(input.ApplicationName !== undefined && {
+      ApplicationName: input.ApplicationName
+    }),
+    ...(input.SnapshotName !== undefined && {
+      SnapshotName: input.SnapshotName
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteApplicationCloudWatchLoggingOptionRequest = (
   input: DeleteApplicationCloudWatchLoggingOptionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ApplicationName !== undefined) {
-    bodyParams["ApplicationName"] = input.ApplicationName;
-  }
-  if (input.CloudWatchLoggingOptionId !== undefined) {
-    bodyParams["CloudWatchLoggingOptionId"] = input.CloudWatchLoggingOptionId;
-  }
-  if (input.CurrentApplicationVersionId !== undefined) {
-    bodyParams["CurrentApplicationVersionId"] =
-      input.CurrentApplicationVersionId;
-  }
-  return bodyParams;
+  return {
+    ...(input.ApplicationName !== undefined && {
+      ApplicationName: input.ApplicationName
+    }),
+    ...(input.CloudWatchLoggingOptionId !== undefined && {
+      CloudWatchLoggingOptionId: input.CloudWatchLoggingOptionId
+    }),
+    ...(input.CurrentApplicationVersionId !== undefined && {
+      CurrentApplicationVersionId: input.CurrentApplicationVersionId
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteApplicationInputProcessingConfigurationRequest = (
   input: DeleteApplicationInputProcessingConfigurationRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ApplicationName !== undefined) {
-    bodyParams["ApplicationName"] = input.ApplicationName;
-  }
-  if (input.CurrentApplicationVersionId !== undefined) {
-    bodyParams["CurrentApplicationVersionId"] =
-      input.CurrentApplicationVersionId;
-  }
-  if (input.InputId !== undefined) {
-    bodyParams["InputId"] = input.InputId;
-  }
-  return bodyParams;
+  return {
+    ...(input.ApplicationName !== undefined && {
+      ApplicationName: input.ApplicationName
+    }),
+    ...(input.CurrentApplicationVersionId !== undefined && {
+      CurrentApplicationVersionId: input.CurrentApplicationVersionId
+    }),
+    ...(input.InputId !== undefined && { InputId: input.InputId })
+  };
 };
 
 const serializeAws_json1_1DeleteApplicationOutputRequest = (
   input: DeleteApplicationOutputRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ApplicationName !== undefined) {
-    bodyParams["ApplicationName"] = input.ApplicationName;
-  }
-  if (input.CurrentApplicationVersionId !== undefined) {
-    bodyParams["CurrentApplicationVersionId"] =
-      input.CurrentApplicationVersionId;
-  }
-  if (input.OutputId !== undefined) {
-    bodyParams["OutputId"] = input.OutputId;
-  }
-  return bodyParams;
+  return {
+    ...(input.ApplicationName !== undefined && {
+      ApplicationName: input.ApplicationName
+    }),
+    ...(input.CurrentApplicationVersionId !== undefined && {
+      CurrentApplicationVersionId: input.CurrentApplicationVersionId
+    }),
+    ...(input.OutputId !== undefined && { OutputId: input.OutputId })
+  };
 };
 
 const serializeAws_json1_1DeleteApplicationReferenceDataSourceRequest = (
   input: DeleteApplicationReferenceDataSourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ApplicationName !== undefined) {
-    bodyParams["ApplicationName"] = input.ApplicationName;
-  }
-  if (input.CurrentApplicationVersionId !== undefined) {
-    bodyParams["CurrentApplicationVersionId"] =
-      input.CurrentApplicationVersionId;
-  }
-  if (input.ReferenceId !== undefined) {
-    bodyParams["ReferenceId"] = input.ReferenceId;
-  }
-  return bodyParams;
+  return {
+    ...(input.ApplicationName !== undefined && {
+      ApplicationName: input.ApplicationName
+    }),
+    ...(input.CurrentApplicationVersionId !== undefined && {
+      CurrentApplicationVersionId: input.CurrentApplicationVersionId
+    }),
+    ...(input.ReferenceId !== undefined && { ReferenceId: input.ReferenceId })
+  };
 };
 
 const serializeAws_json1_1DeleteApplicationRequest = (
   input: DeleteApplicationRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ApplicationName !== undefined) {
-    bodyParams["ApplicationName"] = input.ApplicationName;
-  }
-  if (input.CreateTimestamp !== undefined) {
-    bodyParams["CreateTimestamp"] = Math.round(
-      input.CreateTimestamp.getTime() / 1000
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ApplicationName !== undefined && {
+      ApplicationName: input.ApplicationName
+    }),
+    ...(input.CreateTimestamp !== undefined && {
+      CreateTimestamp: Math.round(input.CreateTimestamp.getTime() / 1000)
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteApplicationSnapshotRequest = (
   input: DeleteApplicationSnapshotRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ApplicationName !== undefined) {
-    bodyParams["ApplicationName"] = input.ApplicationName;
-  }
-  if (input.SnapshotCreationTimestamp !== undefined) {
-    bodyParams["SnapshotCreationTimestamp"] = Math.round(
-      input.SnapshotCreationTimestamp.getTime() / 1000
-    );
-  }
-  if (input.SnapshotName !== undefined) {
-    bodyParams["SnapshotName"] = input.SnapshotName;
-  }
-  return bodyParams;
+  return {
+    ...(input.ApplicationName !== undefined && {
+      ApplicationName: input.ApplicationName
+    }),
+    ...(input.SnapshotCreationTimestamp !== undefined && {
+      SnapshotCreationTimestamp: Math.round(
+        input.SnapshotCreationTimestamp.getTime() / 1000
+      )
+    }),
+    ...(input.SnapshotName !== undefined && {
+      SnapshotName: input.SnapshotName
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteApplicationVpcConfigurationRequest = (
   input: DeleteApplicationVpcConfigurationRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ApplicationName !== undefined) {
-    bodyParams["ApplicationName"] = input.ApplicationName;
-  }
-  if (input.CurrentApplicationVersionId !== undefined) {
-    bodyParams["CurrentApplicationVersionId"] =
-      input.CurrentApplicationVersionId;
-  }
-  if (input.VpcConfigurationId !== undefined) {
-    bodyParams["VpcConfigurationId"] = input.VpcConfigurationId;
-  }
-  return bodyParams;
+  return {
+    ...(input.ApplicationName !== undefined && {
+      ApplicationName: input.ApplicationName
+    }),
+    ...(input.CurrentApplicationVersionId !== undefined && {
+      CurrentApplicationVersionId: input.CurrentApplicationVersionId
+    }),
+    ...(input.VpcConfigurationId !== undefined && {
+      VpcConfigurationId: input.VpcConfigurationId
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeApplicationRequest = (
   input: DescribeApplicationRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ApplicationName !== undefined) {
-    bodyParams["ApplicationName"] = input.ApplicationName;
-  }
-  if (input.IncludeAdditionalDetails !== undefined) {
-    bodyParams["IncludeAdditionalDetails"] = input.IncludeAdditionalDetails;
-  }
-  return bodyParams;
+  return {
+    ...(input.ApplicationName !== undefined && {
+      ApplicationName: input.ApplicationName
+    }),
+    ...(input.IncludeAdditionalDetails !== undefined && {
+      IncludeAdditionalDetails: input.IncludeAdditionalDetails
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeApplicationSnapshotRequest = (
   input: DescribeApplicationSnapshotRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ApplicationName !== undefined) {
-    bodyParams["ApplicationName"] = input.ApplicationName;
-  }
-  if (input.SnapshotName !== undefined) {
-    bodyParams["SnapshotName"] = input.SnapshotName;
-  }
-  return bodyParams;
+  return {
+    ...(input.ApplicationName !== undefined && {
+      ApplicationName: input.ApplicationName
+    }),
+    ...(input.SnapshotName !== undefined && {
+      SnapshotName: input.SnapshotName
+    })
+  };
 };
 
 const serializeAws_json1_1DestinationSchema = (
   input: DestinationSchema,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.RecordFormatType !== undefined) {
-    bodyParams["RecordFormatType"] = input.RecordFormatType;
-  }
-  return bodyParams;
+  return {
+    ...(input.RecordFormatType !== undefined && {
+      RecordFormatType: input.RecordFormatType
+    })
+  };
 };
 
 const serializeAws_json1_1DiscoverInputSchemaRequest = (
   input: DiscoverInputSchemaRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.InputProcessingConfiguration !== undefined) {
-    bodyParams[
-      "InputProcessingConfiguration"
-    ] = serializeAws_json1_1InputProcessingConfiguration(
-      input.InputProcessingConfiguration,
-      context
-    );
-  }
-  if (input.InputStartingPositionConfiguration !== undefined) {
-    bodyParams[
-      "InputStartingPositionConfiguration"
-    ] = serializeAws_json1_1InputStartingPositionConfiguration(
-      input.InputStartingPositionConfiguration,
-      context
-    );
-  }
-  if (input.ResourceARN !== undefined) {
-    bodyParams["ResourceARN"] = input.ResourceARN;
-  }
-  if (input.S3Configuration !== undefined) {
-    bodyParams["S3Configuration"] = serializeAws_json1_1S3Configuration(
-      input.S3Configuration,
-      context
-    );
-  }
-  if (input.ServiceExecutionRole !== undefined) {
-    bodyParams["ServiceExecutionRole"] = input.ServiceExecutionRole;
-  }
-  return bodyParams;
+  return {
+    ...(input.InputProcessingConfiguration !== undefined && {
+      InputProcessingConfiguration: serializeAws_json1_1InputProcessingConfiguration(
+        input.InputProcessingConfiguration,
+        context
+      )
+    }),
+    ...(input.InputStartingPositionConfiguration !== undefined && {
+      InputStartingPositionConfiguration: serializeAws_json1_1InputStartingPositionConfiguration(
+        input.InputStartingPositionConfiguration,
+        context
+      )
+    }),
+    ...(input.ResourceARN !== undefined && { ResourceARN: input.ResourceARN }),
+    ...(input.S3Configuration !== undefined && {
+      S3Configuration: serializeAws_json1_1S3Configuration(
+        input.S3Configuration,
+        context
+      )
+    }),
+    ...(input.ServiceExecutionRole !== undefined && {
+      ServiceExecutionRole: input.ServiceExecutionRole
+    })
+  };
 };
 
 const serializeAws_json1_1EnvironmentProperties = (
   input: EnvironmentProperties,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.PropertyGroups !== undefined) {
-    bodyParams["PropertyGroups"] = serializeAws_json1_1PropertyGroups(
-      input.PropertyGroups,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.PropertyGroups !== undefined && {
+      PropertyGroups: serializeAws_json1_1PropertyGroups(
+        input.PropertyGroups,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1EnvironmentPropertyUpdates = (
   input: EnvironmentPropertyUpdates,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.PropertyGroups !== undefined) {
-    bodyParams["PropertyGroups"] = serializeAws_json1_1PropertyGroups(
-      input.PropertyGroups,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.PropertyGroups !== undefined && {
+      PropertyGroups: serializeAws_json1_1PropertyGroups(
+        input.PropertyGroups,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1FlinkApplicationConfiguration = (
   input: FlinkApplicationConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CheckpointConfiguration !== undefined) {
-    bodyParams[
-      "CheckpointConfiguration"
-    ] = serializeAws_json1_1CheckpointConfiguration(
-      input.CheckpointConfiguration,
-      context
-    );
-  }
-  if (input.MonitoringConfiguration !== undefined) {
-    bodyParams[
-      "MonitoringConfiguration"
-    ] = serializeAws_json1_1MonitoringConfiguration(
-      input.MonitoringConfiguration,
-      context
-    );
-  }
-  if (input.ParallelismConfiguration !== undefined) {
-    bodyParams[
-      "ParallelismConfiguration"
-    ] = serializeAws_json1_1ParallelismConfiguration(
-      input.ParallelismConfiguration,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.CheckpointConfiguration !== undefined && {
+      CheckpointConfiguration: serializeAws_json1_1CheckpointConfiguration(
+        input.CheckpointConfiguration,
+        context
+      )
+    }),
+    ...(input.MonitoringConfiguration !== undefined && {
+      MonitoringConfiguration: serializeAws_json1_1MonitoringConfiguration(
+        input.MonitoringConfiguration,
+        context
+      )
+    }),
+    ...(input.ParallelismConfiguration !== undefined && {
+      ParallelismConfiguration: serializeAws_json1_1ParallelismConfiguration(
+        input.ParallelismConfiguration,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1FlinkApplicationConfigurationUpdate = (
   input: FlinkApplicationConfigurationUpdate,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CheckpointConfigurationUpdate !== undefined) {
-    bodyParams[
-      "CheckpointConfigurationUpdate"
-    ] = serializeAws_json1_1CheckpointConfigurationUpdate(
-      input.CheckpointConfigurationUpdate,
-      context
-    );
-  }
-  if (input.MonitoringConfigurationUpdate !== undefined) {
-    bodyParams[
-      "MonitoringConfigurationUpdate"
-    ] = serializeAws_json1_1MonitoringConfigurationUpdate(
-      input.MonitoringConfigurationUpdate,
-      context
-    );
-  }
-  if (input.ParallelismConfigurationUpdate !== undefined) {
-    bodyParams[
-      "ParallelismConfigurationUpdate"
-    ] = serializeAws_json1_1ParallelismConfigurationUpdate(
-      input.ParallelismConfigurationUpdate,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.CheckpointConfigurationUpdate !== undefined && {
+      CheckpointConfigurationUpdate: serializeAws_json1_1CheckpointConfigurationUpdate(
+        input.CheckpointConfigurationUpdate,
+        context
+      )
+    }),
+    ...(input.MonitoringConfigurationUpdate !== undefined && {
+      MonitoringConfigurationUpdate: serializeAws_json1_1MonitoringConfigurationUpdate(
+        input.MonitoringConfigurationUpdate,
+        context
+      )
+    }),
+    ...(input.ParallelismConfigurationUpdate !== undefined && {
+      ParallelismConfigurationUpdate: serializeAws_json1_1ParallelismConfigurationUpdate(
+        input.ParallelismConfigurationUpdate,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1FlinkRunConfiguration = (
   input: FlinkRunConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AllowNonRestoredState !== undefined) {
-    bodyParams["AllowNonRestoredState"] = input.AllowNonRestoredState;
-  }
-  return bodyParams;
+  return {
+    ...(input.AllowNonRestoredState !== undefined && {
+      AllowNonRestoredState: input.AllowNonRestoredState
+    })
+  };
 };
 
 const serializeAws_json1_1Input = (
   input: Input,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.InputParallelism !== undefined) {
-    bodyParams["InputParallelism"] = serializeAws_json1_1InputParallelism(
-      input.InputParallelism,
-      context
-    );
-  }
-  if (input.InputProcessingConfiguration !== undefined) {
-    bodyParams[
-      "InputProcessingConfiguration"
-    ] = serializeAws_json1_1InputProcessingConfiguration(
-      input.InputProcessingConfiguration,
-      context
-    );
-  }
-  if (input.InputSchema !== undefined) {
-    bodyParams["InputSchema"] = serializeAws_json1_1SourceSchema(
-      input.InputSchema,
-      context
-    );
-  }
-  if (input.KinesisFirehoseInput !== undefined) {
-    bodyParams[
-      "KinesisFirehoseInput"
-    ] = serializeAws_json1_1KinesisFirehoseInput(
-      input.KinesisFirehoseInput,
-      context
-    );
-  }
-  if (input.KinesisStreamsInput !== undefined) {
-    bodyParams["KinesisStreamsInput"] = serializeAws_json1_1KinesisStreamsInput(
-      input.KinesisStreamsInput,
-      context
-    );
-  }
-  if (input.NamePrefix !== undefined) {
-    bodyParams["NamePrefix"] = input.NamePrefix;
-  }
-  return bodyParams;
+  return {
+    ...(input.InputParallelism !== undefined && {
+      InputParallelism: serializeAws_json1_1InputParallelism(
+        input.InputParallelism,
+        context
+      )
+    }),
+    ...(input.InputProcessingConfiguration !== undefined && {
+      InputProcessingConfiguration: serializeAws_json1_1InputProcessingConfiguration(
+        input.InputProcessingConfiguration,
+        context
+      )
+    }),
+    ...(input.InputSchema !== undefined && {
+      InputSchema: serializeAws_json1_1SourceSchema(input.InputSchema, context)
+    }),
+    ...(input.KinesisFirehoseInput !== undefined && {
+      KinesisFirehoseInput: serializeAws_json1_1KinesisFirehoseInput(
+        input.KinesisFirehoseInput,
+        context
+      )
+    }),
+    ...(input.KinesisStreamsInput !== undefined && {
+      KinesisStreamsInput: serializeAws_json1_1KinesisStreamsInput(
+        input.KinesisStreamsInput,
+        context
+      )
+    }),
+    ...(input.NamePrefix !== undefined && { NamePrefix: input.NamePrefix })
+  };
 };
 
 const serializeAws_json1_1InputLambdaProcessor = (
   input: InputLambdaProcessor,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceARN !== undefined) {
-    bodyParams["ResourceARN"] = input.ResourceARN;
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceARN !== undefined && { ResourceARN: input.ResourceARN })
+  };
 };
 
 const serializeAws_json1_1InputLambdaProcessorUpdate = (
   input: InputLambdaProcessorUpdate,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceARNUpdate !== undefined) {
-    bodyParams["ResourceARNUpdate"] = input.ResourceARNUpdate;
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceARNUpdate !== undefined && {
+      ResourceARNUpdate: input.ResourceARNUpdate
+    })
+  };
 };
 
 const serializeAws_json1_1InputParallelism = (
   input: InputParallelism,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Count !== undefined) {
-    bodyParams["Count"] = input.Count;
-  }
-  return bodyParams;
+  return {
+    ...(input.Count !== undefined && { Count: input.Count })
+  };
 };
 
 const serializeAws_json1_1InputParallelismUpdate = (
   input: InputParallelismUpdate,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CountUpdate !== undefined) {
-    bodyParams["CountUpdate"] = input.CountUpdate;
-  }
-  return bodyParams;
+  return {
+    ...(input.CountUpdate !== undefined && { CountUpdate: input.CountUpdate })
+  };
 };
 
 const serializeAws_json1_1InputProcessingConfiguration = (
   input: InputProcessingConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.InputLambdaProcessor !== undefined) {
-    bodyParams[
-      "InputLambdaProcessor"
-    ] = serializeAws_json1_1InputLambdaProcessor(
-      input.InputLambdaProcessor,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.InputLambdaProcessor !== undefined && {
+      InputLambdaProcessor: serializeAws_json1_1InputLambdaProcessor(
+        input.InputLambdaProcessor,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1InputProcessingConfigurationUpdate = (
   input: InputProcessingConfigurationUpdate,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.InputLambdaProcessorUpdate !== undefined) {
-    bodyParams[
-      "InputLambdaProcessorUpdate"
-    ] = serializeAws_json1_1InputLambdaProcessorUpdate(
-      input.InputLambdaProcessorUpdate,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.InputLambdaProcessorUpdate !== undefined && {
+      InputLambdaProcessorUpdate: serializeAws_json1_1InputLambdaProcessorUpdate(
+        input.InputLambdaProcessorUpdate,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1InputSchemaUpdate = (
   input: InputSchemaUpdate,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.RecordColumnUpdates !== undefined) {
-    bodyParams["RecordColumnUpdates"] = serializeAws_json1_1RecordColumns(
-      input.RecordColumnUpdates,
-      context
-    );
-  }
-  if (input.RecordEncodingUpdate !== undefined) {
-    bodyParams["RecordEncodingUpdate"] = input.RecordEncodingUpdate;
-  }
-  if (input.RecordFormatUpdate !== undefined) {
-    bodyParams["RecordFormatUpdate"] = serializeAws_json1_1RecordFormat(
-      input.RecordFormatUpdate,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.RecordColumnUpdates !== undefined && {
+      RecordColumnUpdates: serializeAws_json1_1RecordColumns(
+        input.RecordColumnUpdates,
+        context
+      )
+    }),
+    ...(input.RecordEncodingUpdate !== undefined && {
+      RecordEncodingUpdate: input.RecordEncodingUpdate
+    }),
+    ...(input.RecordFormatUpdate !== undefined && {
+      RecordFormatUpdate: serializeAws_json1_1RecordFormat(
+        input.RecordFormatUpdate,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1InputStartingPositionConfiguration = (
   input: InputStartingPositionConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.InputStartingPosition !== undefined) {
-    bodyParams["InputStartingPosition"] = input.InputStartingPosition;
-  }
-  return bodyParams;
+  return {
+    ...(input.InputStartingPosition !== undefined && {
+      InputStartingPosition: input.InputStartingPosition
+    })
+  };
 };
 
 const serializeAws_json1_1InputUpdate = (
   input: InputUpdate,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.InputId !== undefined) {
-    bodyParams["InputId"] = input.InputId;
-  }
-  if (input.InputParallelismUpdate !== undefined) {
-    bodyParams[
-      "InputParallelismUpdate"
-    ] = serializeAws_json1_1InputParallelismUpdate(
-      input.InputParallelismUpdate,
-      context
-    );
-  }
-  if (input.InputProcessingConfigurationUpdate !== undefined) {
-    bodyParams[
-      "InputProcessingConfigurationUpdate"
-    ] = serializeAws_json1_1InputProcessingConfigurationUpdate(
-      input.InputProcessingConfigurationUpdate,
-      context
-    );
-  }
-  if (input.InputSchemaUpdate !== undefined) {
-    bodyParams["InputSchemaUpdate"] = serializeAws_json1_1InputSchemaUpdate(
-      input.InputSchemaUpdate,
-      context
-    );
-  }
-  if (input.KinesisFirehoseInputUpdate !== undefined) {
-    bodyParams[
-      "KinesisFirehoseInputUpdate"
-    ] = serializeAws_json1_1KinesisFirehoseInputUpdate(
-      input.KinesisFirehoseInputUpdate,
-      context
-    );
-  }
-  if (input.KinesisStreamsInputUpdate !== undefined) {
-    bodyParams[
-      "KinesisStreamsInputUpdate"
-    ] = serializeAws_json1_1KinesisStreamsInputUpdate(
-      input.KinesisStreamsInputUpdate,
-      context
-    );
-  }
-  if (input.NamePrefixUpdate !== undefined) {
-    bodyParams["NamePrefixUpdate"] = input.NamePrefixUpdate;
-  }
-  return bodyParams;
+  return {
+    ...(input.InputId !== undefined && { InputId: input.InputId }),
+    ...(input.InputParallelismUpdate !== undefined && {
+      InputParallelismUpdate: serializeAws_json1_1InputParallelismUpdate(
+        input.InputParallelismUpdate,
+        context
+      )
+    }),
+    ...(input.InputProcessingConfigurationUpdate !== undefined && {
+      InputProcessingConfigurationUpdate: serializeAws_json1_1InputProcessingConfigurationUpdate(
+        input.InputProcessingConfigurationUpdate,
+        context
+      )
+    }),
+    ...(input.InputSchemaUpdate !== undefined && {
+      InputSchemaUpdate: serializeAws_json1_1InputSchemaUpdate(
+        input.InputSchemaUpdate,
+        context
+      )
+    }),
+    ...(input.KinesisFirehoseInputUpdate !== undefined && {
+      KinesisFirehoseInputUpdate: serializeAws_json1_1KinesisFirehoseInputUpdate(
+        input.KinesisFirehoseInputUpdate,
+        context
+      )
+    }),
+    ...(input.KinesisStreamsInputUpdate !== undefined && {
+      KinesisStreamsInputUpdate: serializeAws_json1_1KinesisStreamsInputUpdate(
+        input.KinesisStreamsInputUpdate,
+        context
+      )
+    }),
+    ...(input.NamePrefixUpdate !== undefined && {
+      NamePrefixUpdate: input.NamePrefixUpdate
+    })
+  };
 };
 
 const serializeAws_json1_1InputUpdates = (
@@ -4682,304 +4574,262 @@ const serializeAws_json1_1JSONMappingParameters = (
   input: JSONMappingParameters,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.RecordRowPath !== undefined) {
-    bodyParams["RecordRowPath"] = input.RecordRowPath;
-  }
-  return bodyParams;
+  return {
+    ...(input.RecordRowPath !== undefined && {
+      RecordRowPath: input.RecordRowPath
+    })
+  };
 };
 
 const serializeAws_json1_1KinesisFirehoseInput = (
   input: KinesisFirehoseInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceARN !== undefined) {
-    bodyParams["ResourceARN"] = input.ResourceARN;
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceARN !== undefined && { ResourceARN: input.ResourceARN })
+  };
 };
 
 const serializeAws_json1_1KinesisFirehoseInputUpdate = (
   input: KinesisFirehoseInputUpdate,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceARNUpdate !== undefined) {
-    bodyParams["ResourceARNUpdate"] = input.ResourceARNUpdate;
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceARNUpdate !== undefined && {
+      ResourceARNUpdate: input.ResourceARNUpdate
+    })
+  };
 };
 
 const serializeAws_json1_1KinesisFirehoseOutput = (
   input: KinesisFirehoseOutput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceARN !== undefined) {
-    bodyParams["ResourceARN"] = input.ResourceARN;
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceARN !== undefined && { ResourceARN: input.ResourceARN })
+  };
 };
 
 const serializeAws_json1_1KinesisFirehoseOutputUpdate = (
   input: KinesisFirehoseOutputUpdate,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceARNUpdate !== undefined) {
-    bodyParams["ResourceARNUpdate"] = input.ResourceARNUpdate;
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceARNUpdate !== undefined && {
+      ResourceARNUpdate: input.ResourceARNUpdate
+    })
+  };
 };
 
 const serializeAws_json1_1KinesisStreamsInput = (
   input: KinesisStreamsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceARN !== undefined) {
-    bodyParams["ResourceARN"] = input.ResourceARN;
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceARN !== undefined && { ResourceARN: input.ResourceARN })
+  };
 };
 
 const serializeAws_json1_1KinesisStreamsInputUpdate = (
   input: KinesisStreamsInputUpdate,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceARNUpdate !== undefined) {
-    bodyParams["ResourceARNUpdate"] = input.ResourceARNUpdate;
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceARNUpdate !== undefined && {
+      ResourceARNUpdate: input.ResourceARNUpdate
+    })
+  };
 };
 
 const serializeAws_json1_1KinesisStreamsOutput = (
   input: KinesisStreamsOutput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceARN !== undefined) {
-    bodyParams["ResourceARN"] = input.ResourceARN;
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceARN !== undefined && { ResourceARN: input.ResourceARN })
+  };
 };
 
 const serializeAws_json1_1KinesisStreamsOutputUpdate = (
   input: KinesisStreamsOutputUpdate,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceARNUpdate !== undefined) {
-    bodyParams["ResourceARNUpdate"] = input.ResourceARNUpdate;
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceARNUpdate !== undefined && {
+      ResourceARNUpdate: input.ResourceARNUpdate
+    })
+  };
 };
 
 const serializeAws_json1_1LambdaOutput = (
   input: LambdaOutput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceARN !== undefined) {
-    bodyParams["ResourceARN"] = input.ResourceARN;
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceARN !== undefined && { ResourceARN: input.ResourceARN })
+  };
 };
 
 const serializeAws_json1_1LambdaOutputUpdate = (
   input: LambdaOutputUpdate,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceARNUpdate !== undefined) {
-    bodyParams["ResourceARNUpdate"] = input.ResourceARNUpdate;
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceARNUpdate !== undefined && {
+      ResourceARNUpdate: input.ResourceARNUpdate
+    })
+  };
 };
 
 const serializeAws_json1_1ListApplicationSnapshotsRequest = (
   input: ListApplicationSnapshotsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ApplicationName !== undefined) {
-    bodyParams["ApplicationName"] = input.ApplicationName;
-  }
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.ApplicationName !== undefined && {
+      ApplicationName: input.ApplicationName
+    }),
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1ListApplicationsRequest = (
   input: ListApplicationsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1ListTagsForResourceRequest = (
   input: ListTagsForResourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceARN !== undefined) {
-    bodyParams["ResourceARN"] = input.ResourceARN;
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceARN !== undefined && { ResourceARN: input.ResourceARN })
+  };
 };
 
 const serializeAws_json1_1MappingParameters = (
   input: MappingParameters,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CSVMappingParameters !== undefined) {
-    bodyParams[
-      "CSVMappingParameters"
-    ] = serializeAws_json1_1CSVMappingParameters(
-      input.CSVMappingParameters,
-      context
-    );
-  }
-  if (input.JSONMappingParameters !== undefined) {
-    bodyParams[
-      "JSONMappingParameters"
-    ] = serializeAws_json1_1JSONMappingParameters(
-      input.JSONMappingParameters,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.CSVMappingParameters !== undefined && {
+      CSVMappingParameters: serializeAws_json1_1CSVMappingParameters(
+        input.CSVMappingParameters,
+        context
+      )
+    }),
+    ...(input.JSONMappingParameters !== undefined && {
+      JSONMappingParameters: serializeAws_json1_1JSONMappingParameters(
+        input.JSONMappingParameters,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1MonitoringConfiguration = (
   input: MonitoringConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ConfigurationType !== undefined) {
-    bodyParams["ConfigurationType"] = input.ConfigurationType;
-  }
-  if (input.LogLevel !== undefined) {
-    bodyParams["LogLevel"] = input.LogLevel;
-  }
-  if (input.MetricsLevel !== undefined) {
-    bodyParams["MetricsLevel"] = input.MetricsLevel;
-  }
-  return bodyParams;
+  return {
+    ...(input.ConfigurationType !== undefined && {
+      ConfigurationType: input.ConfigurationType
+    }),
+    ...(input.LogLevel !== undefined && { LogLevel: input.LogLevel }),
+    ...(input.MetricsLevel !== undefined && {
+      MetricsLevel: input.MetricsLevel
+    })
+  };
 };
 
 const serializeAws_json1_1MonitoringConfigurationUpdate = (
   input: MonitoringConfigurationUpdate,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ConfigurationTypeUpdate !== undefined) {
-    bodyParams["ConfigurationTypeUpdate"] = input.ConfigurationTypeUpdate;
-  }
-  if (input.LogLevelUpdate !== undefined) {
-    bodyParams["LogLevelUpdate"] = input.LogLevelUpdate;
-  }
-  if (input.MetricsLevelUpdate !== undefined) {
-    bodyParams["MetricsLevelUpdate"] = input.MetricsLevelUpdate;
-  }
-  return bodyParams;
+  return {
+    ...(input.ConfigurationTypeUpdate !== undefined && {
+      ConfigurationTypeUpdate: input.ConfigurationTypeUpdate
+    }),
+    ...(input.LogLevelUpdate !== undefined && {
+      LogLevelUpdate: input.LogLevelUpdate
+    }),
+    ...(input.MetricsLevelUpdate !== undefined && {
+      MetricsLevelUpdate: input.MetricsLevelUpdate
+    })
+  };
 };
 
 const serializeAws_json1_1Output = (
   input: Output,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DestinationSchema !== undefined) {
-    bodyParams["DestinationSchema"] = serializeAws_json1_1DestinationSchema(
-      input.DestinationSchema,
-      context
-    );
-  }
-  if (input.KinesisFirehoseOutput !== undefined) {
-    bodyParams[
-      "KinesisFirehoseOutput"
-    ] = serializeAws_json1_1KinesisFirehoseOutput(
-      input.KinesisFirehoseOutput,
-      context
-    );
-  }
-  if (input.KinesisStreamsOutput !== undefined) {
-    bodyParams[
-      "KinesisStreamsOutput"
-    ] = serializeAws_json1_1KinesisStreamsOutput(
-      input.KinesisStreamsOutput,
-      context
-    );
-  }
-  if (input.LambdaOutput !== undefined) {
-    bodyParams["LambdaOutput"] = serializeAws_json1_1LambdaOutput(
-      input.LambdaOutput,
-      context
-    );
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.DestinationSchema !== undefined && {
+      DestinationSchema: serializeAws_json1_1DestinationSchema(
+        input.DestinationSchema,
+        context
+      )
+    }),
+    ...(input.KinesisFirehoseOutput !== undefined && {
+      KinesisFirehoseOutput: serializeAws_json1_1KinesisFirehoseOutput(
+        input.KinesisFirehoseOutput,
+        context
+      )
+    }),
+    ...(input.KinesisStreamsOutput !== undefined && {
+      KinesisStreamsOutput: serializeAws_json1_1KinesisStreamsOutput(
+        input.KinesisStreamsOutput,
+        context
+      )
+    }),
+    ...(input.LambdaOutput !== undefined && {
+      LambdaOutput: serializeAws_json1_1LambdaOutput(
+        input.LambdaOutput,
+        context
+      )
+    }),
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1OutputUpdate = (
   input: OutputUpdate,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DestinationSchemaUpdate !== undefined) {
-    bodyParams[
-      "DestinationSchemaUpdate"
-    ] = serializeAws_json1_1DestinationSchema(
-      input.DestinationSchemaUpdate,
-      context
-    );
-  }
-  if (input.KinesisFirehoseOutputUpdate !== undefined) {
-    bodyParams[
-      "KinesisFirehoseOutputUpdate"
-    ] = serializeAws_json1_1KinesisFirehoseOutputUpdate(
-      input.KinesisFirehoseOutputUpdate,
-      context
-    );
-  }
-  if (input.KinesisStreamsOutputUpdate !== undefined) {
-    bodyParams[
-      "KinesisStreamsOutputUpdate"
-    ] = serializeAws_json1_1KinesisStreamsOutputUpdate(
-      input.KinesisStreamsOutputUpdate,
-      context
-    );
-  }
-  if (input.LambdaOutputUpdate !== undefined) {
-    bodyParams["LambdaOutputUpdate"] = serializeAws_json1_1LambdaOutputUpdate(
-      input.LambdaOutputUpdate,
-      context
-    );
-  }
-  if (input.NameUpdate !== undefined) {
-    bodyParams["NameUpdate"] = input.NameUpdate;
-  }
-  if (input.OutputId !== undefined) {
-    bodyParams["OutputId"] = input.OutputId;
-  }
-  return bodyParams;
+  return {
+    ...(input.DestinationSchemaUpdate !== undefined && {
+      DestinationSchemaUpdate: serializeAws_json1_1DestinationSchema(
+        input.DestinationSchemaUpdate,
+        context
+      )
+    }),
+    ...(input.KinesisFirehoseOutputUpdate !== undefined && {
+      KinesisFirehoseOutputUpdate: serializeAws_json1_1KinesisFirehoseOutputUpdate(
+        input.KinesisFirehoseOutputUpdate,
+        context
+      )
+    }),
+    ...(input.KinesisStreamsOutputUpdate !== undefined && {
+      KinesisStreamsOutputUpdate: serializeAws_json1_1KinesisStreamsOutputUpdate(
+        input.KinesisStreamsOutputUpdate,
+        context
+      )
+    }),
+    ...(input.LambdaOutputUpdate !== undefined && {
+      LambdaOutputUpdate: serializeAws_json1_1LambdaOutputUpdate(
+        input.LambdaOutputUpdate,
+        context
+      )
+    }),
+    ...(input.NameUpdate !== undefined && { NameUpdate: input.NameUpdate }),
+    ...(input.OutputId !== undefined && { OutputId: input.OutputId })
+  };
 };
 
 const serializeAws_json1_1OutputUpdates = (
@@ -5000,57 +4850,52 @@ const serializeAws_json1_1ParallelismConfiguration = (
   input: ParallelismConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AutoScalingEnabled !== undefined) {
-    bodyParams["AutoScalingEnabled"] = input.AutoScalingEnabled;
-  }
-  if (input.ConfigurationType !== undefined) {
-    bodyParams["ConfigurationType"] = input.ConfigurationType;
-  }
-  if (input.Parallelism !== undefined) {
-    bodyParams["Parallelism"] = input.Parallelism;
-  }
-  if (input.ParallelismPerKPU !== undefined) {
-    bodyParams["ParallelismPerKPU"] = input.ParallelismPerKPU;
-  }
-  return bodyParams;
+  return {
+    ...(input.AutoScalingEnabled !== undefined && {
+      AutoScalingEnabled: input.AutoScalingEnabled
+    }),
+    ...(input.ConfigurationType !== undefined && {
+      ConfigurationType: input.ConfigurationType
+    }),
+    ...(input.Parallelism !== undefined && { Parallelism: input.Parallelism }),
+    ...(input.ParallelismPerKPU !== undefined && {
+      ParallelismPerKPU: input.ParallelismPerKPU
+    })
+  };
 };
 
 const serializeAws_json1_1ParallelismConfigurationUpdate = (
   input: ParallelismConfigurationUpdate,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AutoScalingEnabledUpdate !== undefined) {
-    bodyParams["AutoScalingEnabledUpdate"] = input.AutoScalingEnabledUpdate;
-  }
-  if (input.ConfigurationTypeUpdate !== undefined) {
-    bodyParams["ConfigurationTypeUpdate"] = input.ConfigurationTypeUpdate;
-  }
-  if (input.ParallelismPerKPUUpdate !== undefined) {
-    bodyParams["ParallelismPerKPUUpdate"] = input.ParallelismPerKPUUpdate;
-  }
-  if (input.ParallelismUpdate !== undefined) {
-    bodyParams["ParallelismUpdate"] = input.ParallelismUpdate;
-  }
-  return bodyParams;
+  return {
+    ...(input.AutoScalingEnabledUpdate !== undefined && {
+      AutoScalingEnabledUpdate: input.AutoScalingEnabledUpdate
+    }),
+    ...(input.ConfigurationTypeUpdate !== undefined && {
+      ConfigurationTypeUpdate: input.ConfigurationTypeUpdate
+    }),
+    ...(input.ParallelismPerKPUUpdate !== undefined && {
+      ParallelismPerKPUUpdate: input.ParallelismPerKPUUpdate
+    }),
+    ...(input.ParallelismUpdate !== undefined && {
+      ParallelismUpdate: input.ParallelismUpdate
+    })
+  };
 };
 
 const serializeAws_json1_1PropertyGroup = (
   input: PropertyGroup,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.PropertyGroupId !== undefined) {
-    bodyParams["PropertyGroupId"] = input.PropertyGroupId;
-  }
-  if (input.PropertyMap !== undefined) {
-    bodyParams["PropertyMap"] = serializeAws_json1_1PropertyMap(
-      input.PropertyMap,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.PropertyGroupId !== undefined && {
+      PropertyGroupId: input.PropertyGroupId
+    }),
+    ...(input.PropertyMap !== undefined && {
+      PropertyMap: serializeAws_json1_1PropertyMap(input.PropertyMap, context)
+    })
+  };
 };
 
 const serializeAws_json1_1PropertyGroups = (
@@ -5074,17 +4919,11 @@ const serializeAws_json1_1RecordColumn = (
   input: RecordColumn,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Mapping !== undefined) {
-    bodyParams["Mapping"] = input.Mapping;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.SqlType !== undefined) {
-    bodyParams["SqlType"] = input.SqlType;
-  }
-  return bodyParams;
+  return {
+    ...(input.Mapping !== undefined && { Mapping: input.Mapping }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.SqlType !== undefined && { SqlType: input.SqlType })
+  };
 };
 
 const serializeAws_json1_1RecordColumns = (
@@ -5098,70 +4937,62 @@ const serializeAws_json1_1RecordFormat = (
   input: RecordFormat,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MappingParameters !== undefined) {
-    bodyParams["MappingParameters"] = serializeAws_json1_1MappingParameters(
-      input.MappingParameters,
-      context
-    );
-  }
-  if (input.RecordFormatType !== undefined) {
-    bodyParams["RecordFormatType"] = input.RecordFormatType;
-  }
-  return bodyParams;
+  return {
+    ...(input.MappingParameters !== undefined && {
+      MappingParameters: serializeAws_json1_1MappingParameters(
+        input.MappingParameters,
+        context
+      )
+    }),
+    ...(input.RecordFormatType !== undefined && {
+      RecordFormatType: input.RecordFormatType
+    })
+  };
 };
 
 const serializeAws_json1_1ReferenceDataSource = (
   input: ReferenceDataSource,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ReferenceSchema !== undefined) {
-    bodyParams["ReferenceSchema"] = serializeAws_json1_1SourceSchema(
-      input.ReferenceSchema,
-      context
-    );
-  }
-  if (input.S3ReferenceDataSource !== undefined) {
-    bodyParams[
-      "S3ReferenceDataSource"
-    ] = serializeAws_json1_1S3ReferenceDataSource(
-      input.S3ReferenceDataSource,
-      context
-    );
-  }
-  if (input.TableName !== undefined) {
-    bodyParams["TableName"] = input.TableName;
-  }
-  return bodyParams;
+  return {
+    ...(input.ReferenceSchema !== undefined && {
+      ReferenceSchema: serializeAws_json1_1SourceSchema(
+        input.ReferenceSchema,
+        context
+      )
+    }),
+    ...(input.S3ReferenceDataSource !== undefined && {
+      S3ReferenceDataSource: serializeAws_json1_1S3ReferenceDataSource(
+        input.S3ReferenceDataSource,
+        context
+      )
+    }),
+    ...(input.TableName !== undefined && { TableName: input.TableName })
+  };
 };
 
 const serializeAws_json1_1ReferenceDataSourceUpdate = (
   input: ReferenceDataSourceUpdate,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ReferenceId !== undefined) {
-    bodyParams["ReferenceId"] = input.ReferenceId;
-  }
-  if (input.ReferenceSchemaUpdate !== undefined) {
-    bodyParams["ReferenceSchemaUpdate"] = serializeAws_json1_1SourceSchema(
-      input.ReferenceSchemaUpdate,
-      context
-    );
-  }
-  if (input.S3ReferenceDataSourceUpdate !== undefined) {
-    bodyParams[
-      "S3ReferenceDataSourceUpdate"
-    ] = serializeAws_json1_1S3ReferenceDataSourceUpdate(
-      input.S3ReferenceDataSourceUpdate,
-      context
-    );
-  }
-  if (input.TableNameUpdate !== undefined) {
-    bodyParams["TableNameUpdate"] = input.TableNameUpdate;
-  }
-  return bodyParams;
+  return {
+    ...(input.ReferenceId !== undefined && { ReferenceId: input.ReferenceId }),
+    ...(input.ReferenceSchemaUpdate !== undefined && {
+      ReferenceSchemaUpdate: serializeAws_json1_1SourceSchema(
+        input.ReferenceSchemaUpdate,
+        context
+      )
+    }),
+    ...(input.S3ReferenceDataSourceUpdate !== undefined && {
+      S3ReferenceDataSourceUpdate: serializeAws_json1_1S3ReferenceDataSourceUpdate(
+        input.S3ReferenceDataSourceUpdate,
+        context
+      )
+    }),
+    ...(input.TableNameUpdate !== undefined && {
+      TableNameUpdate: input.TableNameUpdate
+    })
+  };
 };
 
 const serializeAws_json1_1ReferenceDataSourceUpdates = (
@@ -5186,132 +5017,110 @@ const serializeAws_json1_1RunConfiguration = (
   input: RunConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ApplicationRestoreConfiguration !== undefined) {
-    bodyParams[
-      "ApplicationRestoreConfiguration"
-    ] = serializeAws_json1_1ApplicationRestoreConfiguration(
-      input.ApplicationRestoreConfiguration,
-      context
-    );
-  }
-  if (input.FlinkRunConfiguration !== undefined) {
-    bodyParams[
-      "FlinkRunConfiguration"
-    ] = serializeAws_json1_1FlinkRunConfiguration(
-      input.FlinkRunConfiguration,
-      context
-    );
-  }
-  if (input.SqlRunConfigurations !== undefined) {
-    bodyParams[
-      "SqlRunConfigurations"
-    ] = serializeAws_json1_1SqlRunConfigurations(
-      input.SqlRunConfigurations,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ApplicationRestoreConfiguration !== undefined && {
+      ApplicationRestoreConfiguration: serializeAws_json1_1ApplicationRestoreConfiguration(
+        input.ApplicationRestoreConfiguration,
+        context
+      )
+    }),
+    ...(input.FlinkRunConfiguration !== undefined && {
+      FlinkRunConfiguration: serializeAws_json1_1FlinkRunConfiguration(
+        input.FlinkRunConfiguration,
+        context
+      )
+    }),
+    ...(input.SqlRunConfigurations !== undefined && {
+      SqlRunConfigurations: serializeAws_json1_1SqlRunConfigurations(
+        input.SqlRunConfigurations,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1RunConfigurationUpdate = (
   input: RunConfigurationUpdate,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ApplicationRestoreConfiguration !== undefined) {
-    bodyParams[
-      "ApplicationRestoreConfiguration"
-    ] = serializeAws_json1_1ApplicationRestoreConfiguration(
-      input.ApplicationRestoreConfiguration,
-      context
-    );
-  }
-  if (input.FlinkRunConfiguration !== undefined) {
-    bodyParams[
-      "FlinkRunConfiguration"
-    ] = serializeAws_json1_1FlinkRunConfiguration(
-      input.FlinkRunConfiguration,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ApplicationRestoreConfiguration !== undefined && {
+      ApplicationRestoreConfiguration: serializeAws_json1_1ApplicationRestoreConfiguration(
+        input.ApplicationRestoreConfiguration,
+        context
+      )
+    }),
+    ...(input.FlinkRunConfiguration !== undefined && {
+      FlinkRunConfiguration: serializeAws_json1_1FlinkRunConfiguration(
+        input.FlinkRunConfiguration,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1S3Configuration = (
   input: S3Configuration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.BucketARN !== undefined) {
-    bodyParams["BucketARN"] = input.BucketARN;
-  }
-  if (input.FileKey !== undefined) {
-    bodyParams["FileKey"] = input.FileKey;
-  }
-  return bodyParams;
+  return {
+    ...(input.BucketARN !== undefined && { BucketARN: input.BucketARN }),
+    ...(input.FileKey !== undefined && { FileKey: input.FileKey })
+  };
 };
 
 const serializeAws_json1_1S3ContentLocation = (
   input: S3ContentLocation,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.BucketARN !== undefined) {
-    bodyParams["BucketARN"] = input.BucketARN;
-  }
-  if (input.FileKey !== undefined) {
-    bodyParams["FileKey"] = input.FileKey;
-  }
-  if (input.ObjectVersion !== undefined) {
-    bodyParams["ObjectVersion"] = input.ObjectVersion;
-  }
-  return bodyParams;
+  return {
+    ...(input.BucketARN !== undefined && { BucketARN: input.BucketARN }),
+    ...(input.FileKey !== undefined && { FileKey: input.FileKey }),
+    ...(input.ObjectVersion !== undefined && {
+      ObjectVersion: input.ObjectVersion
+    })
+  };
 };
 
 const serializeAws_json1_1S3ContentLocationUpdate = (
   input: S3ContentLocationUpdate,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.BucketARNUpdate !== undefined) {
-    bodyParams["BucketARNUpdate"] = input.BucketARNUpdate;
-  }
-  if (input.FileKeyUpdate !== undefined) {
-    bodyParams["FileKeyUpdate"] = input.FileKeyUpdate;
-  }
-  if (input.ObjectVersionUpdate !== undefined) {
-    bodyParams["ObjectVersionUpdate"] = input.ObjectVersionUpdate;
-  }
-  return bodyParams;
+  return {
+    ...(input.BucketARNUpdate !== undefined && {
+      BucketARNUpdate: input.BucketARNUpdate
+    }),
+    ...(input.FileKeyUpdate !== undefined && {
+      FileKeyUpdate: input.FileKeyUpdate
+    }),
+    ...(input.ObjectVersionUpdate !== undefined && {
+      ObjectVersionUpdate: input.ObjectVersionUpdate
+    })
+  };
 };
 
 const serializeAws_json1_1S3ReferenceDataSource = (
   input: S3ReferenceDataSource,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.BucketARN !== undefined) {
-    bodyParams["BucketARN"] = input.BucketARN;
-  }
-  if (input.FileKey !== undefined) {
-    bodyParams["FileKey"] = input.FileKey;
-  }
-  return bodyParams;
+  return {
+    ...(input.BucketARN !== undefined && { BucketARN: input.BucketARN }),
+    ...(input.FileKey !== undefined && { FileKey: input.FileKey })
+  };
 };
 
 const serializeAws_json1_1S3ReferenceDataSourceUpdate = (
   input: S3ReferenceDataSourceUpdate,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.BucketARNUpdate !== undefined) {
-    bodyParams["BucketARNUpdate"] = input.BucketARNUpdate;
-  }
-  if (input.FileKeyUpdate !== undefined) {
-    bodyParams["FileKeyUpdate"] = input.FileKeyUpdate;
-  }
-  return bodyParams;
+  return {
+    ...(input.BucketARNUpdate !== undefined && {
+      BucketARNUpdate: input.BucketARNUpdate
+    }),
+    ...(input.FileKeyUpdate !== undefined && {
+      FileKeyUpdate: input.FileKeyUpdate
+    })
+  };
 };
 
 const serializeAws_json1_1SecurityGroupIds = (
@@ -5325,92 +5134,84 @@ const serializeAws_json1_1SourceSchema = (
   input: SourceSchema,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.RecordColumns !== undefined) {
-    bodyParams["RecordColumns"] = serializeAws_json1_1RecordColumns(
-      input.RecordColumns,
-      context
-    );
-  }
-  if (input.RecordEncoding !== undefined) {
-    bodyParams["RecordEncoding"] = input.RecordEncoding;
-  }
-  if (input.RecordFormat !== undefined) {
-    bodyParams["RecordFormat"] = serializeAws_json1_1RecordFormat(
-      input.RecordFormat,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.RecordColumns !== undefined && {
+      RecordColumns: serializeAws_json1_1RecordColumns(
+        input.RecordColumns,
+        context
+      )
+    }),
+    ...(input.RecordEncoding !== undefined && {
+      RecordEncoding: input.RecordEncoding
+    }),
+    ...(input.RecordFormat !== undefined && {
+      RecordFormat: serializeAws_json1_1RecordFormat(
+        input.RecordFormat,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1SqlApplicationConfiguration = (
   input: SqlApplicationConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Inputs !== undefined) {
-    bodyParams["Inputs"] = serializeAws_json1_1Inputs(input.Inputs, context);
-  }
-  if (input.Outputs !== undefined) {
-    bodyParams["Outputs"] = serializeAws_json1_1Outputs(input.Outputs, context);
-  }
-  if (input.ReferenceDataSources !== undefined) {
-    bodyParams[
-      "ReferenceDataSources"
-    ] = serializeAws_json1_1ReferenceDataSources(
-      input.ReferenceDataSources,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Inputs !== undefined && {
+      Inputs: serializeAws_json1_1Inputs(input.Inputs, context)
+    }),
+    ...(input.Outputs !== undefined && {
+      Outputs: serializeAws_json1_1Outputs(input.Outputs, context)
+    }),
+    ...(input.ReferenceDataSources !== undefined && {
+      ReferenceDataSources: serializeAws_json1_1ReferenceDataSources(
+        input.ReferenceDataSources,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1SqlApplicationConfigurationUpdate = (
   input: SqlApplicationConfigurationUpdate,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.InputUpdates !== undefined) {
-    bodyParams["InputUpdates"] = serializeAws_json1_1InputUpdates(
-      input.InputUpdates,
-      context
-    );
-  }
-  if (input.OutputUpdates !== undefined) {
-    bodyParams["OutputUpdates"] = serializeAws_json1_1OutputUpdates(
-      input.OutputUpdates,
-      context
-    );
-  }
-  if (input.ReferenceDataSourceUpdates !== undefined) {
-    bodyParams[
-      "ReferenceDataSourceUpdates"
-    ] = serializeAws_json1_1ReferenceDataSourceUpdates(
-      input.ReferenceDataSourceUpdates,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.InputUpdates !== undefined && {
+      InputUpdates: serializeAws_json1_1InputUpdates(
+        input.InputUpdates,
+        context
+      )
+    }),
+    ...(input.OutputUpdates !== undefined && {
+      OutputUpdates: serializeAws_json1_1OutputUpdates(
+        input.OutputUpdates,
+        context
+      )
+    }),
+    ...(input.ReferenceDataSourceUpdates !== undefined && {
+      ReferenceDataSourceUpdates: serializeAws_json1_1ReferenceDataSourceUpdates(
+        input.ReferenceDataSourceUpdates,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1SqlRunConfiguration = (
   input: SqlRunConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.InputId !== undefined) {
-    bodyParams["InputId"] = input.InputId;
-  }
-  if (input.InputStartingPositionConfiguration !== undefined) {
-    bodyParams[
-      "InputStartingPositionConfiguration"
-    ] = serializeAws_json1_1InputStartingPositionConfiguration(
-      input.InputStartingPositionConfiguration,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.InputId !== undefined && { InputId: input.InputId }),
+    ...(input.InputStartingPositionConfiguration !== undefined && {
+      InputStartingPositionConfiguration: serializeAws_json1_1InputStartingPositionConfiguration(
+        input.InputStartingPositionConfiguration,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1SqlRunConfigurations = (
@@ -5426,28 +5227,28 @@ const serializeAws_json1_1StartApplicationRequest = (
   input: StartApplicationRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ApplicationName !== undefined) {
-    bodyParams["ApplicationName"] = input.ApplicationName;
-  }
-  if (input.RunConfiguration !== undefined) {
-    bodyParams["RunConfiguration"] = serializeAws_json1_1RunConfiguration(
-      input.RunConfiguration,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ApplicationName !== undefined && {
+      ApplicationName: input.ApplicationName
+    }),
+    ...(input.RunConfiguration !== undefined && {
+      RunConfiguration: serializeAws_json1_1RunConfiguration(
+        input.RunConfiguration,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1StopApplicationRequest = (
   input: StopApplicationRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ApplicationName !== undefined) {
-    bodyParams["ApplicationName"] = input.ApplicationName;
-  }
-  return bodyParams;
+  return {
+    ...(input.ApplicationName !== undefined && {
+      ApplicationName: input.ApplicationName
+    })
+  };
 };
 
 const serializeAws_json1_1SubnetIds = (
@@ -5458,14 +5259,10 @@ const serializeAws_json1_1SubnetIds = (
 };
 
 const serializeAws_json1_1Tag = (input: Tag, context: __SerdeContext): any => {
-  const bodyParams: any = {};
-  if (input.Key !== undefined) {
-    bodyParams["Key"] = input.Key;
-  }
-  if (input.Value !== undefined) {
-    bodyParams["Value"] = input.Value;
-  }
-  return bodyParams;
+  return {
+    ...(input.Key !== undefined && { Key: input.Key }),
+    ...(input.Value !== undefined && { Value: input.Value })
+  };
 };
 
 const serializeAws_json1_1TagKeys = (
@@ -5479,14 +5276,12 @@ const serializeAws_json1_1TagResourceRequest = (
   input: TagResourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceARN !== undefined) {
-    bodyParams["ResourceARN"] = input.ResourceARN;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1Tags(input.Tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceARN !== undefined && { ResourceARN: input.ResourceARN }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1Tags(input.Tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1Tags = (
@@ -5500,99 +5295,87 @@ const serializeAws_json1_1UntagResourceRequest = (
   input: UntagResourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceARN !== undefined) {
-    bodyParams["ResourceARN"] = input.ResourceARN;
-  }
-  if (input.TagKeys !== undefined) {
-    bodyParams["TagKeys"] = serializeAws_json1_1TagKeys(input.TagKeys, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceARN !== undefined && { ResourceARN: input.ResourceARN }),
+    ...(input.TagKeys !== undefined && {
+      TagKeys: serializeAws_json1_1TagKeys(input.TagKeys, context)
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateApplicationRequest = (
   input: UpdateApplicationRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ApplicationConfigurationUpdate !== undefined) {
-    bodyParams[
-      "ApplicationConfigurationUpdate"
-    ] = serializeAws_json1_1ApplicationConfigurationUpdate(
-      input.ApplicationConfigurationUpdate,
-      context
-    );
-  }
-  if (input.ApplicationName !== undefined) {
-    bodyParams["ApplicationName"] = input.ApplicationName;
-  }
-  if (input.CloudWatchLoggingOptionUpdates !== undefined) {
-    bodyParams[
-      "CloudWatchLoggingOptionUpdates"
-    ] = serializeAws_json1_1CloudWatchLoggingOptionUpdates(
-      input.CloudWatchLoggingOptionUpdates,
-      context
-    );
-  }
-  if (input.CurrentApplicationVersionId !== undefined) {
-    bodyParams["CurrentApplicationVersionId"] =
-      input.CurrentApplicationVersionId;
-  }
-  if (input.RunConfigurationUpdate !== undefined) {
-    bodyParams[
-      "RunConfigurationUpdate"
-    ] = serializeAws_json1_1RunConfigurationUpdate(
-      input.RunConfigurationUpdate,
-      context
-    );
-  }
-  if (input.ServiceExecutionRoleUpdate !== undefined) {
-    bodyParams["ServiceExecutionRoleUpdate"] = input.ServiceExecutionRoleUpdate;
-  }
-  return bodyParams;
+  return {
+    ...(input.ApplicationConfigurationUpdate !== undefined && {
+      ApplicationConfigurationUpdate: serializeAws_json1_1ApplicationConfigurationUpdate(
+        input.ApplicationConfigurationUpdate,
+        context
+      )
+    }),
+    ...(input.ApplicationName !== undefined && {
+      ApplicationName: input.ApplicationName
+    }),
+    ...(input.CloudWatchLoggingOptionUpdates !== undefined && {
+      CloudWatchLoggingOptionUpdates: serializeAws_json1_1CloudWatchLoggingOptionUpdates(
+        input.CloudWatchLoggingOptionUpdates,
+        context
+      )
+    }),
+    ...(input.CurrentApplicationVersionId !== undefined && {
+      CurrentApplicationVersionId: input.CurrentApplicationVersionId
+    }),
+    ...(input.RunConfigurationUpdate !== undefined && {
+      RunConfigurationUpdate: serializeAws_json1_1RunConfigurationUpdate(
+        input.RunConfigurationUpdate,
+        context
+      )
+    }),
+    ...(input.ServiceExecutionRoleUpdate !== undefined && {
+      ServiceExecutionRoleUpdate: input.ServiceExecutionRoleUpdate
+    })
+  };
 };
 
 const serializeAws_json1_1VpcConfiguration = (
   input: VpcConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.SecurityGroupIds !== undefined) {
-    bodyParams["SecurityGroupIds"] = serializeAws_json1_1SecurityGroupIds(
-      input.SecurityGroupIds,
-      context
-    );
-  }
-  if (input.SubnetIds !== undefined) {
-    bodyParams["SubnetIds"] = serializeAws_json1_1SubnetIds(
-      input.SubnetIds,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.SecurityGroupIds !== undefined && {
+      SecurityGroupIds: serializeAws_json1_1SecurityGroupIds(
+        input.SecurityGroupIds,
+        context
+      )
+    }),
+    ...(input.SubnetIds !== undefined && {
+      SubnetIds: serializeAws_json1_1SubnetIds(input.SubnetIds, context)
+    })
+  };
 };
 
 const serializeAws_json1_1VpcConfigurationUpdate = (
   input: VpcConfigurationUpdate,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.SecurityGroupIdUpdates !== undefined) {
-    bodyParams["SecurityGroupIdUpdates"] = serializeAws_json1_1SecurityGroupIds(
-      input.SecurityGroupIdUpdates,
-      context
-    );
-  }
-  if (input.SubnetIdUpdates !== undefined) {
-    bodyParams["SubnetIdUpdates"] = serializeAws_json1_1SubnetIds(
-      input.SubnetIdUpdates,
-      context
-    );
-  }
-  if (input.VpcConfigurationId !== undefined) {
-    bodyParams["VpcConfigurationId"] = input.VpcConfigurationId;
-  }
-  return bodyParams;
+  return {
+    ...(input.SecurityGroupIdUpdates !== undefined && {
+      SecurityGroupIdUpdates: serializeAws_json1_1SecurityGroupIds(
+        input.SecurityGroupIdUpdates,
+        context
+      )
+    }),
+    ...(input.SubnetIdUpdates !== undefined && {
+      SubnetIdUpdates: serializeAws_json1_1SubnetIds(
+        input.SubnetIdUpdates,
+        context
+      )
+    }),
+    ...(input.VpcConfigurationId !== undefined && {
+      VpcConfigurationId: input.VpcConfigurationId
+    })
+  };
 };
 
 const serializeAws_json1_1VpcConfigurationUpdates = (
diff --git a/clients/client-kinesis-analytics/protocols/Aws_json1_1.ts b/clients/client-kinesis-analytics/protocols/Aws_json1_1.ts
index b5ac3beac645..56205aff8fe7 100644
--- a/clients/client-kinesis-analytics/protocols/Aws_json1_1.ts
+++ b/clients/client-kinesis-analytics/protocols/Aws_json1_1.ts
@@ -2753,190 +2753,173 @@ const serializeAws_json1_1AddApplicationCloudWatchLoggingOptionRequest = (
   input: AddApplicationCloudWatchLoggingOptionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ApplicationName !== undefined) {
-    bodyParams["ApplicationName"] = input.ApplicationName;
-  }
-  if (input.CloudWatchLoggingOption !== undefined) {
-    bodyParams[
-      "CloudWatchLoggingOption"
-    ] = serializeAws_json1_1CloudWatchLoggingOption(
-      input.CloudWatchLoggingOption,
-      context
-    );
-  }
-  if (input.CurrentApplicationVersionId !== undefined) {
-    bodyParams["CurrentApplicationVersionId"] =
-      input.CurrentApplicationVersionId;
-  }
-  return bodyParams;
+  return {
+    ...(input.ApplicationName !== undefined && {
+      ApplicationName: input.ApplicationName
+    }),
+    ...(input.CloudWatchLoggingOption !== undefined && {
+      CloudWatchLoggingOption: serializeAws_json1_1CloudWatchLoggingOption(
+        input.CloudWatchLoggingOption,
+        context
+      )
+    }),
+    ...(input.CurrentApplicationVersionId !== undefined && {
+      CurrentApplicationVersionId: input.CurrentApplicationVersionId
+    })
+  };
 };
 
 const serializeAws_json1_1AddApplicationInputProcessingConfigurationRequest = (
   input: AddApplicationInputProcessingConfigurationRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ApplicationName !== undefined) {
-    bodyParams["ApplicationName"] = input.ApplicationName;
-  }
-  if (input.CurrentApplicationVersionId !== undefined) {
-    bodyParams["CurrentApplicationVersionId"] =
-      input.CurrentApplicationVersionId;
-  }
-  if (input.InputId !== undefined) {
-    bodyParams["InputId"] = input.InputId;
-  }
-  if (input.InputProcessingConfiguration !== undefined) {
-    bodyParams[
-      "InputProcessingConfiguration"
-    ] = serializeAws_json1_1InputProcessingConfiguration(
-      input.InputProcessingConfiguration,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ApplicationName !== undefined && {
+      ApplicationName: input.ApplicationName
+    }),
+    ...(input.CurrentApplicationVersionId !== undefined && {
+      CurrentApplicationVersionId: input.CurrentApplicationVersionId
+    }),
+    ...(input.InputId !== undefined && { InputId: input.InputId }),
+    ...(input.InputProcessingConfiguration !== undefined && {
+      InputProcessingConfiguration: serializeAws_json1_1InputProcessingConfiguration(
+        input.InputProcessingConfiguration,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1AddApplicationInputRequest = (
   input: AddApplicationInputRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ApplicationName !== undefined) {
-    bodyParams["ApplicationName"] = input.ApplicationName;
-  }
-  if (input.CurrentApplicationVersionId !== undefined) {
-    bodyParams["CurrentApplicationVersionId"] =
-      input.CurrentApplicationVersionId;
-  }
-  if (input.Input !== undefined) {
-    bodyParams["Input"] = serializeAws_json1_1Input(input.Input, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.ApplicationName !== undefined && {
+      ApplicationName: input.ApplicationName
+    }),
+    ...(input.CurrentApplicationVersionId !== undefined && {
+      CurrentApplicationVersionId: input.CurrentApplicationVersionId
+    }),
+    ...(input.Input !== undefined && {
+      Input: serializeAws_json1_1Input(input.Input, context)
+    })
+  };
 };
 
 const serializeAws_json1_1AddApplicationOutputRequest = (
   input: AddApplicationOutputRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ApplicationName !== undefined) {
-    bodyParams["ApplicationName"] = input.ApplicationName;
-  }
-  if (input.CurrentApplicationVersionId !== undefined) {
-    bodyParams["CurrentApplicationVersionId"] =
-      input.CurrentApplicationVersionId;
-  }
-  if (input.Output !== undefined) {
-    bodyParams["Output"] = serializeAws_json1_1Output(input.Output, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.ApplicationName !== undefined && {
+      ApplicationName: input.ApplicationName
+    }),
+    ...(input.CurrentApplicationVersionId !== undefined && {
+      CurrentApplicationVersionId: input.CurrentApplicationVersionId
+    }),
+    ...(input.Output !== undefined && {
+      Output: serializeAws_json1_1Output(input.Output, context)
+    })
+  };
 };
 
 const serializeAws_json1_1AddApplicationReferenceDataSourceRequest = (
   input: AddApplicationReferenceDataSourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ApplicationName !== undefined) {
-    bodyParams["ApplicationName"] = input.ApplicationName;
-  }
-  if (input.CurrentApplicationVersionId !== undefined) {
-    bodyParams["CurrentApplicationVersionId"] =
-      input.CurrentApplicationVersionId;
-  }
-  if (input.ReferenceDataSource !== undefined) {
-    bodyParams["ReferenceDataSource"] = serializeAws_json1_1ReferenceDataSource(
-      input.ReferenceDataSource,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ApplicationName !== undefined && {
+      ApplicationName: input.ApplicationName
+    }),
+    ...(input.CurrentApplicationVersionId !== undefined && {
+      CurrentApplicationVersionId: input.CurrentApplicationVersionId
+    }),
+    ...(input.ReferenceDataSource !== undefined && {
+      ReferenceDataSource: serializeAws_json1_1ReferenceDataSource(
+        input.ReferenceDataSource,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1ApplicationUpdate = (
   input: ApplicationUpdate,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ApplicationCodeUpdate !== undefined) {
-    bodyParams["ApplicationCodeUpdate"] = input.ApplicationCodeUpdate;
-  }
-  if (input.CloudWatchLoggingOptionUpdates !== undefined) {
-    bodyParams[
-      "CloudWatchLoggingOptionUpdates"
-    ] = serializeAws_json1_1CloudWatchLoggingOptionUpdates(
-      input.CloudWatchLoggingOptionUpdates,
-      context
-    );
-  }
-  if (input.InputUpdates !== undefined) {
-    bodyParams["InputUpdates"] = serializeAws_json1_1InputUpdates(
-      input.InputUpdates,
-      context
-    );
-  }
-  if (input.OutputUpdates !== undefined) {
-    bodyParams["OutputUpdates"] = serializeAws_json1_1OutputUpdates(
-      input.OutputUpdates,
-      context
-    );
-  }
-  if (input.ReferenceDataSourceUpdates !== undefined) {
-    bodyParams[
-      "ReferenceDataSourceUpdates"
-    ] = serializeAws_json1_1ReferenceDataSourceUpdates(
-      input.ReferenceDataSourceUpdates,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ApplicationCodeUpdate !== undefined && {
+      ApplicationCodeUpdate: input.ApplicationCodeUpdate
+    }),
+    ...(input.CloudWatchLoggingOptionUpdates !== undefined && {
+      CloudWatchLoggingOptionUpdates: serializeAws_json1_1CloudWatchLoggingOptionUpdates(
+        input.CloudWatchLoggingOptionUpdates,
+        context
+      )
+    }),
+    ...(input.InputUpdates !== undefined && {
+      InputUpdates: serializeAws_json1_1InputUpdates(
+        input.InputUpdates,
+        context
+      )
+    }),
+    ...(input.OutputUpdates !== undefined && {
+      OutputUpdates: serializeAws_json1_1OutputUpdates(
+        input.OutputUpdates,
+        context
+      )
+    }),
+    ...(input.ReferenceDataSourceUpdates !== undefined && {
+      ReferenceDataSourceUpdates: serializeAws_json1_1ReferenceDataSourceUpdates(
+        input.ReferenceDataSourceUpdates,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1CSVMappingParameters = (
   input: CSVMappingParameters,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.RecordColumnDelimiter !== undefined) {
-    bodyParams["RecordColumnDelimiter"] = input.RecordColumnDelimiter;
-  }
-  if (input.RecordRowDelimiter !== undefined) {
-    bodyParams["RecordRowDelimiter"] = input.RecordRowDelimiter;
-  }
-  return bodyParams;
+  return {
+    ...(input.RecordColumnDelimiter !== undefined && {
+      RecordColumnDelimiter: input.RecordColumnDelimiter
+    }),
+    ...(input.RecordRowDelimiter !== undefined && {
+      RecordRowDelimiter: input.RecordRowDelimiter
+    })
+  };
 };
 
 const serializeAws_json1_1CloudWatchLoggingOption = (
   input: CloudWatchLoggingOption,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.LogStreamARN !== undefined) {
-    bodyParams["LogStreamARN"] = input.LogStreamARN;
-  }
-  if (input.RoleARN !== undefined) {
-    bodyParams["RoleARN"] = input.RoleARN;
-  }
-  return bodyParams;
+  return {
+    ...(input.LogStreamARN !== undefined && {
+      LogStreamARN: input.LogStreamARN
+    }),
+    ...(input.RoleARN !== undefined && { RoleARN: input.RoleARN })
+  };
 };
 
 const serializeAws_json1_1CloudWatchLoggingOptionUpdate = (
   input: CloudWatchLoggingOptionUpdate,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CloudWatchLoggingOptionId !== undefined) {
-    bodyParams["CloudWatchLoggingOptionId"] = input.CloudWatchLoggingOptionId;
-  }
-  if (input.LogStreamARNUpdate !== undefined) {
-    bodyParams["LogStreamARNUpdate"] = input.LogStreamARNUpdate;
-  }
-  if (input.RoleARNUpdate !== undefined) {
-    bodyParams["RoleARNUpdate"] = input.RoleARNUpdate;
-  }
-  return bodyParams;
+  return {
+    ...(input.CloudWatchLoggingOptionId !== undefined && {
+      CloudWatchLoggingOptionId: input.CloudWatchLoggingOptionId
+    }),
+    ...(input.LogStreamARNUpdate !== undefined && {
+      LogStreamARNUpdate: input.LogStreamARNUpdate
+    }),
+    ...(input.RoleARNUpdate !== undefined && {
+      RoleARNUpdate: input.RoleARNUpdate
+    })
+  };
 };
 
 const serializeAws_json1_1CloudWatchLoggingOptionUpdates = (
@@ -2961,244 +2944,209 @@ const serializeAws_json1_1CreateApplicationRequest = (
   input: CreateApplicationRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ApplicationCode !== undefined) {
-    bodyParams["ApplicationCode"] = input.ApplicationCode;
-  }
-  if (input.ApplicationDescription !== undefined) {
-    bodyParams["ApplicationDescription"] = input.ApplicationDescription;
-  }
-  if (input.ApplicationName !== undefined) {
-    bodyParams["ApplicationName"] = input.ApplicationName;
-  }
-  if (input.CloudWatchLoggingOptions !== undefined) {
-    bodyParams[
-      "CloudWatchLoggingOptions"
-    ] = serializeAws_json1_1CloudWatchLoggingOptions(
-      input.CloudWatchLoggingOptions,
-      context
-    );
-  }
-  if (input.Inputs !== undefined) {
-    bodyParams["Inputs"] = serializeAws_json1_1Inputs(input.Inputs, context);
-  }
-  if (input.Outputs !== undefined) {
-    bodyParams["Outputs"] = serializeAws_json1_1Outputs(input.Outputs, context);
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1Tags(input.Tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.ApplicationCode !== undefined && {
+      ApplicationCode: input.ApplicationCode
+    }),
+    ...(input.ApplicationDescription !== undefined && {
+      ApplicationDescription: input.ApplicationDescription
+    }),
+    ...(input.ApplicationName !== undefined && {
+      ApplicationName: input.ApplicationName
+    }),
+    ...(input.CloudWatchLoggingOptions !== undefined && {
+      CloudWatchLoggingOptions: serializeAws_json1_1CloudWatchLoggingOptions(
+        input.CloudWatchLoggingOptions,
+        context
+      )
+    }),
+    ...(input.Inputs !== undefined && {
+      Inputs: serializeAws_json1_1Inputs(input.Inputs, context)
+    }),
+    ...(input.Outputs !== undefined && {
+      Outputs: serializeAws_json1_1Outputs(input.Outputs, context)
+    }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1Tags(input.Tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteApplicationCloudWatchLoggingOptionRequest = (
   input: DeleteApplicationCloudWatchLoggingOptionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ApplicationName !== undefined) {
-    bodyParams["ApplicationName"] = input.ApplicationName;
-  }
-  if (input.CloudWatchLoggingOptionId !== undefined) {
-    bodyParams["CloudWatchLoggingOptionId"] = input.CloudWatchLoggingOptionId;
-  }
-  if (input.CurrentApplicationVersionId !== undefined) {
-    bodyParams["CurrentApplicationVersionId"] =
-      input.CurrentApplicationVersionId;
-  }
-  return bodyParams;
+  return {
+    ...(input.ApplicationName !== undefined && {
+      ApplicationName: input.ApplicationName
+    }),
+    ...(input.CloudWatchLoggingOptionId !== undefined && {
+      CloudWatchLoggingOptionId: input.CloudWatchLoggingOptionId
+    }),
+    ...(input.CurrentApplicationVersionId !== undefined && {
+      CurrentApplicationVersionId: input.CurrentApplicationVersionId
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteApplicationInputProcessingConfigurationRequest = (
   input: DeleteApplicationInputProcessingConfigurationRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ApplicationName !== undefined) {
-    bodyParams["ApplicationName"] = input.ApplicationName;
-  }
-  if (input.CurrentApplicationVersionId !== undefined) {
-    bodyParams["CurrentApplicationVersionId"] =
-      input.CurrentApplicationVersionId;
-  }
-  if (input.InputId !== undefined) {
-    bodyParams["InputId"] = input.InputId;
-  }
-  return bodyParams;
+  return {
+    ...(input.ApplicationName !== undefined && {
+      ApplicationName: input.ApplicationName
+    }),
+    ...(input.CurrentApplicationVersionId !== undefined && {
+      CurrentApplicationVersionId: input.CurrentApplicationVersionId
+    }),
+    ...(input.InputId !== undefined && { InputId: input.InputId })
+  };
 };
 
 const serializeAws_json1_1DeleteApplicationOutputRequest = (
   input: DeleteApplicationOutputRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ApplicationName !== undefined) {
-    bodyParams["ApplicationName"] = input.ApplicationName;
-  }
-  if (input.CurrentApplicationVersionId !== undefined) {
-    bodyParams["CurrentApplicationVersionId"] =
-      input.CurrentApplicationVersionId;
-  }
-  if (input.OutputId !== undefined) {
-    bodyParams["OutputId"] = input.OutputId;
-  }
-  return bodyParams;
+  return {
+    ...(input.ApplicationName !== undefined && {
+      ApplicationName: input.ApplicationName
+    }),
+    ...(input.CurrentApplicationVersionId !== undefined && {
+      CurrentApplicationVersionId: input.CurrentApplicationVersionId
+    }),
+    ...(input.OutputId !== undefined && { OutputId: input.OutputId })
+  };
 };
 
 const serializeAws_json1_1DeleteApplicationReferenceDataSourceRequest = (
   input: DeleteApplicationReferenceDataSourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ApplicationName !== undefined) {
-    bodyParams["ApplicationName"] = input.ApplicationName;
-  }
-  if (input.CurrentApplicationVersionId !== undefined) {
-    bodyParams["CurrentApplicationVersionId"] =
-      input.CurrentApplicationVersionId;
-  }
-  if (input.ReferenceId !== undefined) {
-    bodyParams["ReferenceId"] = input.ReferenceId;
-  }
-  return bodyParams;
+  return {
+    ...(input.ApplicationName !== undefined && {
+      ApplicationName: input.ApplicationName
+    }),
+    ...(input.CurrentApplicationVersionId !== undefined && {
+      CurrentApplicationVersionId: input.CurrentApplicationVersionId
+    }),
+    ...(input.ReferenceId !== undefined && { ReferenceId: input.ReferenceId })
+  };
 };
 
 const serializeAws_json1_1DeleteApplicationRequest = (
   input: DeleteApplicationRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ApplicationName !== undefined) {
-    bodyParams["ApplicationName"] = input.ApplicationName;
-  }
-  if (input.CreateTimestamp !== undefined) {
-    bodyParams["CreateTimestamp"] = Math.round(
-      input.CreateTimestamp.getTime() / 1000
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ApplicationName !== undefined && {
+      ApplicationName: input.ApplicationName
+    }),
+    ...(input.CreateTimestamp !== undefined && {
+      CreateTimestamp: Math.round(input.CreateTimestamp.getTime() / 1000)
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeApplicationRequest = (
   input: DescribeApplicationRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ApplicationName !== undefined) {
-    bodyParams["ApplicationName"] = input.ApplicationName;
-  }
-  return bodyParams;
+  return {
+    ...(input.ApplicationName !== undefined && {
+      ApplicationName: input.ApplicationName
+    })
+  };
 };
 
 const serializeAws_json1_1DestinationSchema = (
   input: DestinationSchema,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.RecordFormatType !== undefined) {
-    bodyParams["RecordFormatType"] = input.RecordFormatType;
-  }
-  return bodyParams;
+  return {
+    ...(input.RecordFormatType !== undefined && {
+      RecordFormatType: input.RecordFormatType
+    })
+  };
 };
 
 const serializeAws_json1_1DiscoverInputSchemaRequest = (
   input: DiscoverInputSchemaRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.InputProcessingConfiguration !== undefined) {
-    bodyParams[
-      "InputProcessingConfiguration"
-    ] = serializeAws_json1_1InputProcessingConfiguration(
-      input.InputProcessingConfiguration,
-      context
-    );
-  }
-  if (input.InputStartingPositionConfiguration !== undefined) {
-    bodyParams[
-      "InputStartingPositionConfiguration"
-    ] = serializeAws_json1_1InputStartingPositionConfiguration(
-      input.InputStartingPositionConfiguration,
-      context
-    );
-  }
-  if (input.ResourceARN !== undefined) {
-    bodyParams["ResourceARN"] = input.ResourceARN;
-  }
-  if (input.RoleARN !== undefined) {
-    bodyParams["RoleARN"] = input.RoleARN;
-  }
-  if (input.S3Configuration !== undefined) {
-    bodyParams["S3Configuration"] = serializeAws_json1_1S3Configuration(
-      input.S3Configuration,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.InputProcessingConfiguration !== undefined && {
+      InputProcessingConfiguration: serializeAws_json1_1InputProcessingConfiguration(
+        input.InputProcessingConfiguration,
+        context
+      )
+    }),
+    ...(input.InputStartingPositionConfiguration !== undefined && {
+      InputStartingPositionConfiguration: serializeAws_json1_1InputStartingPositionConfiguration(
+        input.InputStartingPositionConfiguration,
+        context
+      )
+    }),
+    ...(input.ResourceARN !== undefined && { ResourceARN: input.ResourceARN }),
+    ...(input.RoleARN !== undefined && { RoleARN: input.RoleARN }),
+    ...(input.S3Configuration !== undefined && {
+      S3Configuration: serializeAws_json1_1S3Configuration(
+        input.S3Configuration,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1Input = (
   input: Input,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.InputParallelism !== undefined) {
-    bodyParams["InputParallelism"] = serializeAws_json1_1InputParallelism(
-      input.InputParallelism,
-      context
-    );
-  }
-  if (input.InputProcessingConfiguration !== undefined) {
-    bodyParams[
-      "InputProcessingConfiguration"
-    ] = serializeAws_json1_1InputProcessingConfiguration(
-      input.InputProcessingConfiguration,
-      context
-    );
-  }
-  if (input.InputSchema !== undefined) {
-    bodyParams["InputSchema"] = serializeAws_json1_1SourceSchema(
-      input.InputSchema,
-      context
-    );
-  }
-  if (input.KinesisFirehoseInput !== undefined) {
-    bodyParams[
-      "KinesisFirehoseInput"
-    ] = serializeAws_json1_1KinesisFirehoseInput(
-      input.KinesisFirehoseInput,
-      context
-    );
-  }
-  if (input.KinesisStreamsInput !== undefined) {
-    bodyParams["KinesisStreamsInput"] = serializeAws_json1_1KinesisStreamsInput(
-      input.KinesisStreamsInput,
-      context
-    );
-  }
-  if (input.NamePrefix !== undefined) {
-    bodyParams["NamePrefix"] = input.NamePrefix;
-  }
-  return bodyParams;
+  return {
+    ...(input.InputParallelism !== undefined && {
+      InputParallelism: serializeAws_json1_1InputParallelism(
+        input.InputParallelism,
+        context
+      )
+    }),
+    ...(input.InputProcessingConfiguration !== undefined && {
+      InputProcessingConfiguration: serializeAws_json1_1InputProcessingConfiguration(
+        input.InputProcessingConfiguration,
+        context
+      )
+    }),
+    ...(input.InputSchema !== undefined && {
+      InputSchema: serializeAws_json1_1SourceSchema(input.InputSchema, context)
+    }),
+    ...(input.KinesisFirehoseInput !== undefined && {
+      KinesisFirehoseInput: serializeAws_json1_1KinesisFirehoseInput(
+        input.KinesisFirehoseInput,
+        context
+      )
+    }),
+    ...(input.KinesisStreamsInput !== undefined && {
+      KinesisStreamsInput: serializeAws_json1_1KinesisStreamsInput(
+        input.KinesisStreamsInput,
+        context
+      )
+    }),
+    ...(input.NamePrefix !== undefined && { NamePrefix: input.NamePrefix })
+  };
 };
 
 const serializeAws_json1_1InputConfiguration = (
   input: InputConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Id !== undefined) {
-    bodyParams["Id"] = input.Id;
-  }
-  if (input.InputStartingPositionConfiguration !== undefined) {
-    bodyParams[
-      "InputStartingPositionConfiguration"
-    ] = serializeAws_json1_1InputStartingPositionConfiguration(
-      input.InputStartingPositionConfiguration,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Id !== undefined && { Id: input.Id }),
+    ...(input.InputStartingPositionConfiguration !== undefined && {
+      InputStartingPositionConfiguration: serializeAws_json1_1InputStartingPositionConfiguration(
+        input.InputStartingPositionConfiguration,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1InputConfigurations = (
@@ -3214,168 +3162,146 @@ const serializeAws_json1_1InputLambdaProcessor = (
   input: InputLambdaProcessor,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceARN !== undefined) {
-    bodyParams["ResourceARN"] = input.ResourceARN;
-  }
-  if (input.RoleARN !== undefined) {
-    bodyParams["RoleARN"] = input.RoleARN;
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceARN !== undefined && { ResourceARN: input.ResourceARN }),
+    ...(input.RoleARN !== undefined && { RoleARN: input.RoleARN })
+  };
 };
 
 const serializeAws_json1_1InputLambdaProcessorUpdate = (
   input: InputLambdaProcessorUpdate,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceARNUpdate !== undefined) {
-    bodyParams["ResourceARNUpdate"] = input.ResourceARNUpdate;
-  }
-  if (input.RoleARNUpdate !== undefined) {
-    bodyParams["RoleARNUpdate"] = input.RoleARNUpdate;
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceARNUpdate !== undefined && {
+      ResourceARNUpdate: input.ResourceARNUpdate
+    }),
+    ...(input.RoleARNUpdate !== undefined && {
+      RoleARNUpdate: input.RoleARNUpdate
+    })
+  };
 };
 
 const serializeAws_json1_1InputParallelism = (
   input: InputParallelism,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Count !== undefined) {
-    bodyParams["Count"] = input.Count;
-  }
-  return bodyParams;
+  return {
+    ...(input.Count !== undefined && { Count: input.Count })
+  };
 };
 
 const serializeAws_json1_1InputParallelismUpdate = (
   input: InputParallelismUpdate,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CountUpdate !== undefined) {
-    bodyParams["CountUpdate"] = input.CountUpdate;
-  }
-  return bodyParams;
+  return {
+    ...(input.CountUpdate !== undefined && { CountUpdate: input.CountUpdate })
+  };
 };
 
 const serializeAws_json1_1InputProcessingConfiguration = (
   input: InputProcessingConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.InputLambdaProcessor !== undefined) {
-    bodyParams[
-      "InputLambdaProcessor"
-    ] = serializeAws_json1_1InputLambdaProcessor(
-      input.InputLambdaProcessor,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.InputLambdaProcessor !== undefined && {
+      InputLambdaProcessor: serializeAws_json1_1InputLambdaProcessor(
+        input.InputLambdaProcessor,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1InputProcessingConfigurationUpdate = (
   input: InputProcessingConfigurationUpdate,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.InputLambdaProcessorUpdate !== undefined) {
-    bodyParams[
-      "InputLambdaProcessorUpdate"
-    ] = serializeAws_json1_1InputLambdaProcessorUpdate(
-      input.InputLambdaProcessorUpdate,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.InputLambdaProcessorUpdate !== undefined && {
+      InputLambdaProcessorUpdate: serializeAws_json1_1InputLambdaProcessorUpdate(
+        input.InputLambdaProcessorUpdate,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1InputSchemaUpdate = (
   input: InputSchemaUpdate,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.RecordColumnUpdates !== undefined) {
-    bodyParams["RecordColumnUpdates"] = serializeAws_json1_1RecordColumns(
-      input.RecordColumnUpdates,
-      context
-    );
-  }
-  if (input.RecordEncodingUpdate !== undefined) {
-    bodyParams["RecordEncodingUpdate"] = input.RecordEncodingUpdate;
-  }
-  if (input.RecordFormatUpdate !== undefined) {
-    bodyParams["RecordFormatUpdate"] = serializeAws_json1_1RecordFormat(
-      input.RecordFormatUpdate,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.RecordColumnUpdates !== undefined && {
+      RecordColumnUpdates: serializeAws_json1_1RecordColumns(
+        input.RecordColumnUpdates,
+        context
+      )
+    }),
+    ...(input.RecordEncodingUpdate !== undefined && {
+      RecordEncodingUpdate: input.RecordEncodingUpdate
+    }),
+    ...(input.RecordFormatUpdate !== undefined && {
+      RecordFormatUpdate: serializeAws_json1_1RecordFormat(
+        input.RecordFormatUpdate,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1InputStartingPositionConfiguration = (
   input: InputStartingPositionConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.InputStartingPosition !== undefined) {
-    bodyParams["InputStartingPosition"] = input.InputStartingPosition;
-  }
-  return bodyParams;
+  return {
+    ...(input.InputStartingPosition !== undefined && {
+      InputStartingPosition: input.InputStartingPosition
+    })
+  };
 };
 
 const serializeAws_json1_1InputUpdate = (
   input: InputUpdate,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.InputId !== undefined) {
-    bodyParams["InputId"] = input.InputId;
-  }
-  if (input.InputParallelismUpdate !== undefined) {
-    bodyParams[
-      "InputParallelismUpdate"
-    ] = serializeAws_json1_1InputParallelismUpdate(
-      input.InputParallelismUpdate,
-      context
-    );
-  }
-  if (input.InputProcessingConfigurationUpdate !== undefined) {
-    bodyParams[
-      "InputProcessingConfigurationUpdate"
-    ] = serializeAws_json1_1InputProcessingConfigurationUpdate(
-      input.InputProcessingConfigurationUpdate,
-      context
-    );
-  }
-  if (input.InputSchemaUpdate !== undefined) {
-    bodyParams["InputSchemaUpdate"] = serializeAws_json1_1InputSchemaUpdate(
-      input.InputSchemaUpdate,
-      context
-    );
-  }
-  if (input.KinesisFirehoseInputUpdate !== undefined) {
-    bodyParams[
-      "KinesisFirehoseInputUpdate"
-    ] = serializeAws_json1_1KinesisFirehoseInputUpdate(
-      input.KinesisFirehoseInputUpdate,
-      context
-    );
-  }
-  if (input.KinesisStreamsInputUpdate !== undefined) {
-    bodyParams[
-      "KinesisStreamsInputUpdate"
-    ] = serializeAws_json1_1KinesisStreamsInputUpdate(
-      input.KinesisStreamsInputUpdate,
-      context
-    );
-  }
-  if (input.NamePrefixUpdate !== undefined) {
-    bodyParams["NamePrefixUpdate"] = input.NamePrefixUpdate;
-  }
-  return bodyParams;
+  return {
+    ...(input.InputId !== undefined && { InputId: input.InputId }),
+    ...(input.InputParallelismUpdate !== undefined && {
+      InputParallelismUpdate: serializeAws_json1_1InputParallelismUpdate(
+        input.InputParallelismUpdate,
+        context
+      )
+    }),
+    ...(input.InputProcessingConfigurationUpdate !== undefined && {
+      InputProcessingConfigurationUpdate: serializeAws_json1_1InputProcessingConfigurationUpdate(
+        input.InputProcessingConfigurationUpdate,
+        context
+      )
+    }),
+    ...(input.InputSchemaUpdate !== undefined && {
+      InputSchemaUpdate: serializeAws_json1_1InputSchemaUpdate(
+        input.InputSchemaUpdate,
+        context
+      )
+    }),
+    ...(input.KinesisFirehoseInputUpdate !== undefined && {
+      KinesisFirehoseInputUpdate: serializeAws_json1_1KinesisFirehoseInputUpdate(
+        input.KinesisFirehoseInputUpdate,
+        context
+      )
+    }),
+    ...(input.KinesisStreamsInputUpdate !== undefined && {
+      KinesisStreamsInputUpdate: serializeAws_json1_1KinesisStreamsInputUpdate(
+        input.KinesisStreamsInputUpdate,
+        context
+      )
+    }),
+    ...(input.NamePrefixUpdate !== undefined && {
+      NamePrefixUpdate: input.NamePrefixUpdate
+    })
+  };
 };
 
 const serializeAws_json1_1InputUpdates = (
@@ -3396,284 +3322,239 @@ const serializeAws_json1_1JSONMappingParameters = (
   input: JSONMappingParameters,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.RecordRowPath !== undefined) {
-    bodyParams["RecordRowPath"] = input.RecordRowPath;
-  }
-  return bodyParams;
+  return {
+    ...(input.RecordRowPath !== undefined && {
+      RecordRowPath: input.RecordRowPath
+    })
+  };
 };
 
 const serializeAws_json1_1KinesisFirehoseInput = (
   input: KinesisFirehoseInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceARN !== undefined) {
-    bodyParams["ResourceARN"] = input.ResourceARN;
-  }
-  if (input.RoleARN !== undefined) {
-    bodyParams["RoleARN"] = input.RoleARN;
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceARN !== undefined && { ResourceARN: input.ResourceARN }),
+    ...(input.RoleARN !== undefined && { RoleARN: input.RoleARN })
+  };
 };
 
 const serializeAws_json1_1KinesisFirehoseInputUpdate = (
   input: KinesisFirehoseInputUpdate,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceARNUpdate !== undefined) {
-    bodyParams["ResourceARNUpdate"] = input.ResourceARNUpdate;
-  }
-  if (input.RoleARNUpdate !== undefined) {
-    bodyParams["RoleARNUpdate"] = input.RoleARNUpdate;
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceARNUpdate !== undefined && {
+      ResourceARNUpdate: input.ResourceARNUpdate
+    }),
+    ...(input.RoleARNUpdate !== undefined && {
+      RoleARNUpdate: input.RoleARNUpdate
+    })
+  };
 };
 
 const serializeAws_json1_1KinesisFirehoseOutput = (
   input: KinesisFirehoseOutput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceARN !== undefined) {
-    bodyParams["ResourceARN"] = input.ResourceARN;
-  }
-  if (input.RoleARN !== undefined) {
-    bodyParams["RoleARN"] = input.RoleARN;
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceARN !== undefined && { ResourceARN: input.ResourceARN }),
+    ...(input.RoleARN !== undefined && { RoleARN: input.RoleARN })
+  };
 };
 
 const serializeAws_json1_1KinesisFirehoseOutputUpdate = (
   input: KinesisFirehoseOutputUpdate,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceARNUpdate !== undefined) {
-    bodyParams["ResourceARNUpdate"] = input.ResourceARNUpdate;
-  }
-  if (input.RoleARNUpdate !== undefined) {
-    bodyParams["RoleARNUpdate"] = input.RoleARNUpdate;
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceARNUpdate !== undefined && {
+      ResourceARNUpdate: input.ResourceARNUpdate
+    }),
+    ...(input.RoleARNUpdate !== undefined && {
+      RoleARNUpdate: input.RoleARNUpdate
+    })
+  };
 };
 
 const serializeAws_json1_1KinesisStreamsInput = (
   input: KinesisStreamsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceARN !== undefined) {
-    bodyParams["ResourceARN"] = input.ResourceARN;
-  }
-  if (input.RoleARN !== undefined) {
-    bodyParams["RoleARN"] = input.RoleARN;
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceARN !== undefined && { ResourceARN: input.ResourceARN }),
+    ...(input.RoleARN !== undefined && { RoleARN: input.RoleARN })
+  };
 };
 
 const serializeAws_json1_1KinesisStreamsInputUpdate = (
   input: KinesisStreamsInputUpdate,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceARNUpdate !== undefined) {
-    bodyParams["ResourceARNUpdate"] = input.ResourceARNUpdate;
-  }
-  if (input.RoleARNUpdate !== undefined) {
-    bodyParams["RoleARNUpdate"] = input.RoleARNUpdate;
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceARNUpdate !== undefined && {
+      ResourceARNUpdate: input.ResourceARNUpdate
+    }),
+    ...(input.RoleARNUpdate !== undefined && {
+      RoleARNUpdate: input.RoleARNUpdate
+    })
+  };
 };
 
 const serializeAws_json1_1KinesisStreamsOutput = (
   input: KinesisStreamsOutput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceARN !== undefined) {
-    bodyParams["ResourceARN"] = input.ResourceARN;
-  }
-  if (input.RoleARN !== undefined) {
-    bodyParams["RoleARN"] = input.RoleARN;
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceARN !== undefined && { ResourceARN: input.ResourceARN }),
+    ...(input.RoleARN !== undefined && { RoleARN: input.RoleARN })
+  };
 };
 
 const serializeAws_json1_1KinesisStreamsOutputUpdate = (
   input: KinesisStreamsOutputUpdate,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceARNUpdate !== undefined) {
-    bodyParams["ResourceARNUpdate"] = input.ResourceARNUpdate;
-  }
-  if (input.RoleARNUpdate !== undefined) {
-    bodyParams["RoleARNUpdate"] = input.RoleARNUpdate;
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceARNUpdate !== undefined && {
+      ResourceARNUpdate: input.ResourceARNUpdate
+    }),
+    ...(input.RoleARNUpdate !== undefined && {
+      RoleARNUpdate: input.RoleARNUpdate
+    })
+  };
 };
 
 const serializeAws_json1_1LambdaOutput = (
   input: LambdaOutput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceARN !== undefined) {
-    bodyParams["ResourceARN"] = input.ResourceARN;
-  }
-  if (input.RoleARN !== undefined) {
-    bodyParams["RoleARN"] = input.RoleARN;
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceARN !== undefined && { ResourceARN: input.ResourceARN }),
+    ...(input.RoleARN !== undefined && { RoleARN: input.RoleARN })
+  };
 };
 
 const serializeAws_json1_1LambdaOutputUpdate = (
   input: LambdaOutputUpdate,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceARNUpdate !== undefined) {
-    bodyParams["ResourceARNUpdate"] = input.ResourceARNUpdate;
-  }
-  if (input.RoleARNUpdate !== undefined) {
-    bodyParams["RoleARNUpdate"] = input.RoleARNUpdate;
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceARNUpdate !== undefined && {
+      ResourceARNUpdate: input.ResourceARNUpdate
+    }),
+    ...(input.RoleARNUpdate !== undefined && {
+      RoleARNUpdate: input.RoleARNUpdate
+    })
+  };
 };
 
 const serializeAws_json1_1ListApplicationsRequest = (
   input: ListApplicationsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ExclusiveStartApplicationName !== undefined) {
-    bodyParams["ExclusiveStartApplicationName"] =
-      input.ExclusiveStartApplicationName;
-  }
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  return bodyParams;
+  return {
+    ...(input.ExclusiveStartApplicationName !== undefined && {
+      ExclusiveStartApplicationName: input.ExclusiveStartApplicationName
+    }),
+    ...(input.Limit !== undefined && { Limit: input.Limit })
+  };
 };
 
 const serializeAws_json1_1ListTagsForResourceRequest = (
   input: ListTagsForResourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceARN !== undefined) {
-    bodyParams["ResourceARN"] = input.ResourceARN;
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceARN !== undefined && { ResourceARN: input.ResourceARN })
+  };
 };
 
 const serializeAws_json1_1MappingParameters = (
   input: MappingParameters,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CSVMappingParameters !== undefined) {
-    bodyParams[
-      "CSVMappingParameters"
-    ] = serializeAws_json1_1CSVMappingParameters(
-      input.CSVMappingParameters,
-      context
-    );
-  }
-  if (input.JSONMappingParameters !== undefined) {
-    bodyParams[
-      "JSONMappingParameters"
-    ] = serializeAws_json1_1JSONMappingParameters(
-      input.JSONMappingParameters,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.CSVMappingParameters !== undefined && {
+      CSVMappingParameters: serializeAws_json1_1CSVMappingParameters(
+        input.CSVMappingParameters,
+        context
+      )
+    }),
+    ...(input.JSONMappingParameters !== undefined && {
+      JSONMappingParameters: serializeAws_json1_1JSONMappingParameters(
+        input.JSONMappingParameters,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1Output = (
   input: Output,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DestinationSchema !== undefined) {
-    bodyParams["DestinationSchema"] = serializeAws_json1_1DestinationSchema(
-      input.DestinationSchema,
-      context
-    );
-  }
-  if (input.KinesisFirehoseOutput !== undefined) {
-    bodyParams[
-      "KinesisFirehoseOutput"
-    ] = serializeAws_json1_1KinesisFirehoseOutput(
-      input.KinesisFirehoseOutput,
-      context
-    );
-  }
-  if (input.KinesisStreamsOutput !== undefined) {
-    bodyParams[
-      "KinesisStreamsOutput"
-    ] = serializeAws_json1_1KinesisStreamsOutput(
-      input.KinesisStreamsOutput,
-      context
-    );
-  }
-  if (input.LambdaOutput !== undefined) {
-    bodyParams["LambdaOutput"] = serializeAws_json1_1LambdaOutput(
-      input.LambdaOutput,
-      context
-    );
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.DestinationSchema !== undefined && {
+      DestinationSchema: serializeAws_json1_1DestinationSchema(
+        input.DestinationSchema,
+        context
+      )
+    }),
+    ...(input.KinesisFirehoseOutput !== undefined && {
+      KinesisFirehoseOutput: serializeAws_json1_1KinesisFirehoseOutput(
+        input.KinesisFirehoseOutput,
+        context
+      )
+    }),
+    ...(input.KinesisStreamsOutput !== undefined && {
+      KinesisStreamsOutput: serializeAws_json1_1KinesisStreamsOutput(
+        input.KinesisStreamsOutput,
+        context
+      )
+    }),
+    ...(input.LambdaOutput !== undefined && {
+      LambdaOutput: serializeAws_json1_1LambdaOutput(
+        input.LambdaOutput,
+        context
+      )
+    }),
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1OutputUpdate = (
   input: OutputUpdate,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DestinationSchemaUpdate !== undefined) {
-    bodyParams[
-      "DestinationSchemaUpdate"
-    ] = serializeAws_json1_1DestinationSchema(
-      input.DestinationSchemaUpdate,
-      context
-    );
-  }
-  if (input.KinesisFirehoseOutputUpdate !== undefined) {
-    bodyParams[
-      "KinesisFirehoseOutputUpdate"
-    ] = serializeAws_json1_1KinesisFirehoseOutputUpdate(
-      input.KinesisFirehoseOutputUpdate,
-      context
-    );
-  }
-  if (input.KinesisStreamsOutputUpdate !== undefined) {
-    bodyParams[
-      "KinesisStreamsOutputUpdate"
-    ] = serializeAws_json1_1KinesisStreamsOutputUpdate(
-      input.KinesisStreamsOutputUpdate,
-      context
-    );
-  }
-  if (input.LambdaOutputUpdate !== undefined) {
-    bodyParams["LambdaOutputUpdate"] = serializeAws_json1_1LambdaOutputUpdate(
-      input.LambdaOutputUpdate,
-      context
-    );
-  }
-  if (input.NameUpdate !== undefined) {
-    bodyParams["NameUpdate"] = input.NameUpdate;
-  }
-  if (input.OutputId !== undefined) {
-    bodyParams["OutputId"] = input.OutputId;
-  }
-  return bodyParams;
+  return {
+    ...(input.DestinationSchemaUpdate !== undefined && {
+      DestinationSchemaUpdate: serializeAws_json1_1DestinationSchema(
+        input.DestinationSchemaUpdate,
+        context
+      )
+    }),
+    ...(input.KinesisFirehoseOutputUpdate !== undefined && {
+      KinesisFirehoseOutputUpdate: serializeAws_json1_1KinesisFirehoseOutputUpdate(
+        input.KinesisFirehoseOutputUpdate,
+        context
+      )
+    }),
+    ...(input.KinesisStreamsOutputUpdate !== undefined && {
+      KinesisStreamsOutputUpdate: serializeAws_json1_1KinesisStreamsOutputUpdate(
+        input.KinesisStreamsOutputUpdate,
+        context
+      )
+    }),
+    ...(input.LambdaOutputUpdate !== undefined && {
+      LambdaOutputUpdate: serializeAws_json1_1LambdaOutputUpdate(
+        input.LambdaOutputUpdate,
+        context
+      )
+    }),
+    ...(input.NameUpdate !== undefined && { NameUpdate: input.NameUpdate }),
+    ...(input.OutputId !== undefined && { OutputId: input.OutputId })
+  };
 };
 
 const serializeAws_json1_1OutputUpdates = (
@@ -3694,17 +3575,11 @@ const serializeAws_json1_1RecordColumn = (
   input: RecordColumn,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Mapping !== undefined) {
-    bodyParams["Mapping"] = input.Mapping;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.SqlType !== undefined) {
-    bodyParams["SqlType"] = input.SqlType;
-  }
-  return bodyParams;
+  return {
+    ...(input.Mapping !== undefined && { Mapping: input.Mapping }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.SqlType !== undefined && { SqlType: input.SqlType })
+  };
 };
 
 const serializeAws_json1_1RecordColumns = (
@@ -3718,70 +3593,62 @@ const serializeAws_json1_1RecordFormat = (
   input: RecordFormat,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MappingParameters !== undefined) {
-    bodyParams["MappingParameters"] = serializeAws_json1_1MappingParameters(
-      input.MappingParameters,
-      context
-    );
-  }
-  if (input.RecordFormatType !== undefined) {
-    bodyParams["RecordFormatType"] = input.RecordFormatType;
-  }
-  return bodyParams;
+  return {
+    ...(input.MappingParameters !== undefined && {
+      MappingParameters: serializeAws_json1_1MappingParameters(
+        input.MappingParameters,
+        context
+      )
+    }),
+    ...(input.RecordFormatType !== undefined && {
+      RecordFormatType: input.RecordFormatType
+    })
+  };
 };
 
 const serializeAws_json1_1ReferenceDataSource = (
   input: ReferenceDataSource,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ReferenceSchema !== undefined) {
-    bodyParams["ReferenceSchema"] = serializeAws_json1_1SourceSchema(
-      input.ReferenceSchema,
-      context
-    );
-  }
-  if (input.S3ReferenceDataSource !== undefined) {
-    bodyParams[
-      "S3ReferenceDataSource"
-    ] = serializeAws_json1_1S3ReferenceDataSource(
-      input.S3ReferenceDataSource,
-      context
-    );
-  }
-  if (input.TableName !== undefined) {
-    bodyParams["TableName"] = input.TableName;
-  }
-  return bodyParams;
+  return {
+    ...(input.ReferenceSchema !== undefined && {
+      ReferenceSchema: serializeAws_json1_1SourceSchema(
+        input.ReferenceSchema,
+        context
+      )
+    }),
+    ...(input.S3ReferenceDataSource !== undefined && {
+      S3ReferenceDataSource: serializeAws_json1_1S3ReferenceDataSource(
+        input.S3ReferenceDataSource,
+        context
+      )
+    }),
+    ...(input.TableName !== undefined && { TableName: input.TableName })
+  };
 };
 
 const serializeAws_json1_1ReferenceDataSourceUpdate = (
   input: ReferenceDataSourceUpdate,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ReferenceId !== undefined) {
-    bodyParams["ReferenceId"] = input.ReferenceId;
-  }
-  if (input.ReferenceSchemaUpdate !== undefined) {
-    bodyParams["ReferenceSchemaUpdate"] = serializeAws_json1_1SourceSchema(
-      input.ReferenceSchemaUpdate,
-      context
-    );
-  }
-  if (input.S3ReferenceDataSourceUpdate !== undefined) {
-    bodyParams[
-      "S3ReferenceDataSourceUpdate"
-    ] = serializeAws_json1_1S3ReferenceDataSourceUpdate(
-      input.S3ReferenceDataSourceUpdate,
-      context
-    );
-  }
-  if (input.TableNameUpdate !== undefined) {
-    bodyParams["TableNameUpdate"] = input.TableNameUpdate;
-  }
-  return bodyParams;
+  return {
+    ...(input.ReferenceId !== undefined && { ReferenceId: input.ReferenceId }),
+    ...(input.ReferenceSchemaUpdate !== undefined && {
+      ReferenceSchemaUpdate: serializeAws_json1_1SourceSchema(
+        input.ReferenceSchemaUpdate,
+        context
+      )
+    }),
+    ...(input.S3ReferenceDataSourceUpdate !== undefined && {
+      S3ReferenceDataSourceUpdate: serializeAws_json1_1S3ReferenceDataSourceUpdate(
+        input.S3ReferenceDataSourceUpdate,
+        context
+      )
+    }),
+    ...(input.TableNameUpdate !== undefined && {
+      TableNameUpdate: input.TableNameUpdate
+    })
+  };
 };
 
 const serializeAws_json1_1ReferenceDataSourceUpdates = (
@@ -3797,113 +3664,99 @@ const serializeAws_json1_1S3Configuration = (
   input: S3Configuration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.BucketARN !== undefined) {
-    bodyParams["BucketARN"] = input.BucketARN;
-  }
-  if (input.FileKey !== undefined) {
-    bodyParams["FileKey"] = input.FileKey;
-  }
-  if (input.RoleARN !== undefined) {
-    bodyParams["RoleARN"] = input.RoleARN;
-  }
-  return bodyParams;
+  return {
+    ...(input.BucketARN !== undefined && { BucketARN: input.BucketARN }),
+    ...(input.FileKey !== undefined && { FileKey: input.FileKey }),
+    ...(input.RoleARN !== undefined && { RoleARN: input.RoleARN })
+  };
 };
 
 const serializeAws_json1_1S3ReferenceDataSource = (
   input: S3ReferenceDataSource,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.BucketARN !== undefined) {
-    bodyParams["BucketARN"] = input.BucketARN;
-  }
-  if (input.FileKey !== undefined) {
-    bodyParams["FileKey"] = input.FileKey;
-  }
-  if (input.ReferenceRoleARN !== undefined) {
-    bodyParams["ReferenceRoleARN"] = input.ReferenceRoleARN;
-  }
-  return bodyParams;
+  return {
+    ...(input.BucketARN !== undefined && { BucketARN: input.BucketARN }),
+    ...(input.FileKey !== undefined && { FileKey: input.FileKey }),
+    ...(input.ReferenceRoleARN !== undefined && {
+      ReferenceRoleARN: input.ReferenceRoleARN
+    })
+  };
 };
 
 const serializeAws_json1_1S3ReferenceDataSourceUpdate = (
   input: S3ReferenceDataSourceUpdate,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.BucketARNUpdate !== undefined) {
-    bodyParams["BucketARNUpdate"] = input.BucketARNUpdate;
-  }
-  if (input.FileKeyUpdate !== undefined) {
-    bodyParams["FileKeyUpdate"] = input.FileKeyUpdate;
-  }
-  if (input.ReferenceRoleARNUpdate !== undefined) {
-    bodyParams["ReferenceRoleARNUpdate"] = input.ReferenceRoleARNUpdate;
-  }
-  return bodyParams;
+  return {
+    ...(input.BucketARNUpdate !== undefined && {
+      BucketARNUpdate: input.BucketARNUpdate
+    }),
+    ...(input.FileKeyUpdate !== undefined && {
+      FileKeyUpdate: input.FileKeyUpdate
+    }),
+    ...(input.ReferenceRoleARNUpdate !== undefined && {
+      ReferenceRoleARNUpdate: input.ReferenceRoleARNUpdate
+    })
+  };
 };
 
 const serializeAws_json1_1SourceSchema = (
   input: SourceSchema,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.RecordColumns !== undefined) {
-    bodyParams["RecordColumns"] = serializeAws_json1_1RecordColumns(
-      input.RecordColumns,
-      context
-    );
-  }
-  if (input.RecordEncoding !== undefined) {
-    bodyParams["RecordEncoding"] = input.RecordEncoding;
-  }
-  if (input.RecordFormat !== undefined) {
-    bodyParams["RecordFormat"] = serializeAws_json1_1RecordFormat(
-      input.RecordFormat,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.RecordColumns !== undefined && {
+      RecordColumns: serializeAws_json1_1RecordColumns(
+        input.RecordColumns,
+        context
+      )
+    }),
+    ...(input.RecordEncoding !== undefined && {
+      RecordEncoding: input.RecordEncoding
+    }),
+    ...(input.RecordFormat !== undefined && {
+      RecordFormat: serializeAws_json1_1RecordFormat(
+        input.RecordFormat,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1StartApplicationRequest = (
   input: StartApplicationRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ApplicationName !== undefined) {
-    bodyParams["ApplicationName"] = input.ApplicationName;
-  }
-  if (input.InputConfigurations !== undefined) {
-    bodyParams["InputConfigurations"] = serializeAws_json1_1InputConfigurations(
-      input.InputConfigurations,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ApplicationName !== undefined && {
+      ApplicationName: input.ApplicationName
+    }),
+    ...(input.InputConfigurations !== undefined && {
+      InputConfigurations: serializeAws_json1_1InputConfigurations(
+        input.InputConfigurations,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1StopApplicationRequest = (
   input: StopApplicationRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ApplicationName !== undefined) {
-    bodyParams["ApplicationName"] = input.ApplicationName;
-  }
-  return bodyParams;
+  return {
+    ...(input.ApplicationName !== undefined && {
+      ApplicationName: input.ApplicationName
+    })
+  };
 };
 
 const serializeAws_json1_1Tag = (input: Tag, context: __SerdeContext): any => {
-  const bodyParams: any = {};
-  if (input.Key !== undefined) {
-    bodyParams["Key"] = input.Key;
-  }
-  if (input.Value !== undefined) {
-    bodyParams["Value"] = input.Value;
-  }
-  return bodyParams;
+  return {
+    ...(input.Key !== undefined && { Key: input.Key }),
+    ...(input.Value !== undefined && { Value: input.Value })
+  };
 };
 
 const serializeAws_json1_1TagKeys = (
@@ -3917,14 +3770,12 @@ const serializeAws_json1_1TagResourceRequest = (
   input: TagResourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceARN !== undefined) {
-    bodyParams["ResourceARN"] = input.ResourceARN;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1Tags(input.Tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceARN !== undefined && { ResourceARN: input.ResourceARN }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1Tags(input.Tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1Tags = (
@@ -3938,35 +3789,32 @@ const serializeAws_json1_1UntagResourceRequest = (
   input: UntagResourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceARN !== undefined) {
-    bodyParams["ResourceARN"] = input.ResourceARN;
-  }
-  if (input.TagKeys !== undefined) {
-    bodyParams["TagKeys"] = serializeAws_json1_1TagKeys(input.TagKeys, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceARN !== undefined && { ResourceARN: input.ResourceARN }),
+    ...(input.TagKeys !== undefined && {
+      TagKeys: serializeAws_json1_1TagKeys(input.TagKeys, context)
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateApplicationRequest = (
   input: UpdateApplicationRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ApplicationName !== undefined) {
-    bodyParams["ApplicationName"] = input.ApplicationName;
-  }
-  if (input.ApplicationUpdate !== undefined) {
-    bodyParams["ApplicationUpdate"] = serializeAws_json1_1ApplicationUpdate(
-      input.ApplicationUpdate,
-      context
-    );
-  }
-  if (input.CurrentApplicationVersionId !== undefined) {
-    bodyParams["CurrentApplicationVersionId"] =
-      input.CurrentApplicationVersionId;
-  }
-  return bodyParams;
+  return {
+    ...(input.ApplicationName !== undefined && {
+      ApplicationName: input.ApplicationName
+    }),
+    ...(input.ApplicationUpdate !== undefined && {
+      ApplicationUpdate: serializeAws_json1_1ApplicationUpdate(
+        input.ApplicationUpdate,
+        context
+      )
+    }),
+    ...(input.CurrentApplicationVersionId !== undefined && {
+      CurrentApplicationVersionId: input.CurrentApplicationVersionId
+    })
+  };
 };
 
 const deserializeAws_json1_1AddApplicationCloudWatchLoggingOptionResponse = (
diff --git a/clients/client-kinesis-video-archived-media/protocols/Aws_restJson1_1.ts b/clients/client-kinesis-video-archived-media/protocols/Aws_restJson1_1.ts
index fe132a15d0b3..b487d88a4a45 100644
--- a/clients/client-kinesis-video-archived-media/protocols/Aws_restJson1_1.ts
+++ b/clients/client-kinesis-video-archived-media/protocols/Aws_restJson1_1.ts
@@ -841,35 +841,31 @@ const serializeAws_restJson1_1DASHFragmentSelector = (
   input: DASHFragmentSelector,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.FragmentSelectorType !== undefined) {
-    bodyParams["FragmentSelectorType"] = input.FragmentSelectorType;
-  }
-  if (input.TimestampRange !== undefined) {
-    bodyParams["TimestampRange"] = serializeAws_restJson1_1DASHTimestampRange(
-      input.TimestampRange,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.FragmentSelectorType !== undefined && {
+      FragmentSelectorType: input.FragmentSelectorType
+    }),
+    ...(input.TimestampRange !== undefined && {
+      TimestampRange: serializeAws_restJson1_1DASHTimestampRange(
+        input.TimestampRange,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1DASHTimestampRange = (
   input: DASHTimestampRange,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EndTimestamp !== undefined) {
-    bodyParams["EndTimestamp"] = Math.round(
-      input.EndTimestamp.getTime() / 1000
-    );
-  }
-  if (input.StartTimestamp !== undefined) {
-    bodyParams["StartTimestamp"] = Math.round(
-      input.StartTimestamp.getTime() / 1000
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.EndTimestamp !== undefined && {
+      EndTimestamp: Math.round(input.EndTimestamp.getTime() / 1000)
+    }),
+    ...(input.StartTimestamp !== undefined && {
+      StartTimestamp: Math.round(input.StartTimestamp.getTime() / 1000)
+    })
+  };
 };
 
 const serializeAws_restJson1_1FragmentNumberList = (
@@ -883,70 +879,62 @@ const serializeAws_restJson1_1FragmentSelector = (
   input: FragmentSelector,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.FragmentSelectorType !== undefined) {
-    bodyParams["FragmentSelectorType"] = input.FragmentSelectorType;
-  }
-  if (input.TimestampRange !== undefined) {
-    bodyParams["TimestampRange"] = serializeAws_restJson1_1TimestampRange(
-      input.TimestampRange,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.FragmentSelectorType !== undefined && {
+      FragmentSelectorType: input.FragmentSelectorType
+    }),
+    ...(input.TimestampRange !== undefined && {
+      TimestampRange: serializeAws_restJson1_1TimestampRange(
+        input.TimestampRange,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1HLSFragmentSelector = (
   input: HLSFragmentSelector,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.FragmentSelectorType !== undefined) {
-    bodyParams["FragmentSelectorType"] = input.FragmentSelectorType;
-  }
-  if (input.TimestampRange !== undefined) {
-    bodyParams["TimestampRange"] = serializeAws_restJson1_1HLSTimestampRange(
-      input.TimestampRange,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.FragmentSelectorType !== undefined && {
+      FragmentSelectorType: input.FragmentSelectorType
+    }),
+    ...(input.TimestampRange !== undefined && {
+      TimestampRange: serializeAws_restJson1_1HLSTimestampRange(
+        input.TimestampRange,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1HLSTimestampRange = (
   input: HLSTimestampRange,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EndTimestamp !== undefined) {
-    bodyParams["EndTimestamp"] = Math.round(
-      input.EndTimestamp.getTime() / 1000
-    );
-  }
-  if (input.StartTimestamp !== undefined) {
-    bodyParams["StartTimestamp"] = Math.round(
-      input.StartTimestamp.getTime() / 1000
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.EndTimestamp !== undefined && {
+      EndTimestamp: Math.round(input.EndTimestamp.getTime() / 1000)
+    }),
+    ...(input.StartTimestamp !== undefined && {
+      StartTimestamp: Math.round(input.StartTimestamp.getTime() / 1000)
+    })
+  };
 };
 
 const serializeAws_restJson1_1TimestampRange = (
   input: TimestampRange,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EndTimestamp !== undefined) {
-    bodyParams["EndTimestamp"] = Math.round(
-      input.EndTimestamp.getTime() / 1000
-    );
-  }
-  if (input.StartTimestamp !== undefined) {
-    bodyParams["StartTimestamp"] = Math.round(
-      input.StartTimestamp.getTime() / 1000
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.EndTimestamp !== undefined && {
+      EndTimestamp: Math.round(input.EndTimestamp.getTime() / 1000)
+    }),
+    ...(input.StartTimestamp !== undefined && {
+      StartTimestamp: Math.round(input.StartTimestamp.getTime() / 1000)
+    })
+  };
 };
 
 const deserializeAws_restJson1_1Fragment = (
diff --git a/clients/client-kinesis-video-media/protocols/Aws_restJson1_1.ts b/clients/client-kinesis-video-media/protocols/Aws_restJson1_1.ts
index fbcf688c254d..f5b48e7eb016 100644
--- a/clients/client-kinesis-video-media/protocols/Aws_restJson1_1.ts
+++ b/clients/client-kinesis-video-media/protocols/Aws_restJson1_1.ts
@@ -280,22 +280,20 @@ const serializeAws_restJson1_1StartSelector = (
   input: StartSelector,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AfterFragmentNumber !== undefined) {
-    bodyParams["AfterFragmentNumber"] = input.AfterFragmentNumber;
-  }
-  if (input.ContinuationToken !== undefined) {
-    bodyParams["ContinuationToken"] = input.ContinuationToken;
-  }
-  if (input.StartSelectorType !== undefined) {
-    bodyParams["StartSelectorType"] = input.StartSelectorType;
-  }
-  if (input.StartTimestamp !== undefined) {
-    bodyParams["StartTimestamp"] = Math.round(
-      input.StartTimestamp.getTime() / 1000
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.AfterFragmentNumber !== undefined && {
+      AfterFragmentNumber: input.AfterFragmentNumber
+    }),
+    ...(input.ContinuationToken !== undefined && {
+      ContinuationToken: input.ContinuationToken
+    }),
+    ...(input.StartSelectorType !== undefined && {
+      StartSelectorType: input.StartSelectorType
+    }),
+    ...(input.StartTimestamp !== undefined && {
+      StartTimestamp: Math.round(input.StartTimestamp.getTime() / 1000)
+    })
+  };
 };
 
 const deserializeMetadata = (output: __HttpResponse): __ResponseMetadata => ({
diff --git a/clients/client-kinesis-video/protocols/Aws_restJson1_1.ts b/clients/client-kinesis-video/protocols/Aws_restJson1_1.ts
index 6249020278c4..1f577be74a20 100644
--- a/clients/client-kinesis-video/protocols/Aws_restJson1_1.ts
+++ b/clients/client-kinesis-video/protocols/Aws_restJson1_1.ts
@@ -2938,14 +2938,14 @@ const serializeAws_restJson1_1ChannelNameCondition = (
   input: ChannelNameCondition,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ComparisonOperator !== undefined) {
-    bodyParams["ComparisonOperator"] = input.ComparisonOperator;
-  }
-  if (input.ComparisonValue !== undefined) {
-    bodyParams["ComparisonValue"] = input.ComparisonValue;
-  }
-  return bodyParams;
+  return {
+    ...(input.ComparisonOperator !== undefined && {
+      ComparisonOperator: input.ComparisonOperator
+    }),
+    ...(input.ComparisonValue !== undefined && {
+      ComparisonValue: input.ComparisonValue
+    })
+  };
 };
 
 const serializeAws_restJson1_1ListOfProtocols = (
@@ -2969,56 +2969,50 @@ const serializeAws_restJson1_1SingleMasterChannelEndpointConfiguration = (
   input: SingleMasterChannelEndpointConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Protocols !== undefined) {
-    bodyParams["Protocols"] = serializeAws_restJson1_1ListOfProtocols(
-      input.Protocols,
-      context
-    );
-  }
-  if (input.Role !== undefined) {
-    bodyParams["Role"] = input.Role;
-  }
-  return bodyParams;
+  return {
+    ...(input.Protocols !== undefined && {
+      Protocols: serializeAws_restJson1_1ListOfProtocols(
+        input.Protocols,
+        context
+      )
+    }),
+    ...(input.Role !== undefined && { Role: input.Role })
+  };
 };
 
 const serializeAws_restJson1_1SingleMasterConfiguration = (
   input: SingleMasterConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MessageTtlSeconds !== undefined) {
-    bodyParams["MessageTtlSeconds"] = input.MessageTtlSeconds;
-  }
-  return bodyParams;
+  return {
+    ...(input.MessageTtlSeconds !== undefined && {
+      MessageTtlSeconds: input.MessageTtlSeconds
+    })
+  };
 };
 
 const serializeAws_restJson1_1StreamNameCondition = (
   input: StreamNameCondition,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ComparisonOperator !== undefined) {
-    bodyParams["ComparisonOperator"] = input.ComparisonOperator;
-  }
-  if (input.ComparisonValue !== undefined) {
-    bodyParams["ComparisonValue"] = input.ComparisonValue;
-  }
-  return bodyParams;
+  return {
+    ...(input.ComparisonOperator !== undefined && {
+      ComparisonOperator: input.ComparisonOperator
+    }),
+    ...(input.ComparisonValue !== undefined && {
+      ComparisonValue: input.ComparisonValue
+    })
+  };
 };
 
 const serializeAws_restJson1_1Tag = (
   input: Tag,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Key !== undefined) {
-    bodyParams["Key"] = input.Key;
-  }
-  if (input.Value !== undefined) {
-    bodyParams["Value"] = input.Value;
-  }
-  return bodyParams;
+  return {
+    ...(input.Key !== undefined && { Key: input.Key }),
+    ...(input.Value !== undefined && { Value: input.Value })
+  };
 };
 
 const serializeAws_restJson1_1TagKeyList = (
diff --git a/clients/client-kinesis/protocols/Aws_json1_1.ts b/clients/client-kinesis/protocols/Aws_json1_1.ts
index ee022c95d8e9..bc40234d4d08 100644
--- a/clients/client-kinesis/protocols/Aws_json1_1.ts
+++ b/clients/client-kinesis/protocols/Aws_json1_1.ts
@@ -3523,306 +3523,249 @@ const serializeAws_json1_1AddTagsToStreamInput = (
   input: AddTagsToStreamInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.StreamName !== undefined) {
-    bodyParams["StreamName"] = input.StreamName;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagMap(input.Tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.StreamName !== undefined && { StreamName: input.StreamName }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagMap(input.Tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1CreateStreamInput = (
   input: CreateStreamInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ShardCount !== undefined) {
-    bodyParams["ShardCount"] = input.ShardCount;
-  }
-  if (input.StreamName !== undefined) {
-    bodyParams["StreamName"] = input.StreamName;
-  }
-  return bodyParams;
+  return {
+    ...(input.ShardCount !== undefined && { ShardCount: input.ShardCount }),
+    ...(input.StreamName !== undefined && { StreamName: input.StreamName })
+  };
 };
 
 const serializeAws_json1_1DecreaseStreamRetentionPeriodInput = (
   input: DecreaseStreamRetentionPeriodInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.RetentionPeriodHours !== undefined) {
-    bodyParams["RetentionPeriodHours"] = input.RetentionPeriodHours;
-  }
-  if (input.StreamName !== undefined) {
-    bodyParams["StreamName"] = input.StreamName;
-  }
-  return bodyParams;
+  return {
+    ...(input.RetentionPeriodHours !== undefined && {
+      RetentionPeriodHours: input.RetentionPeriodHours
+    }),
+    ...(input.StreamName !== undefined && { StreamName: input.StreamName })
+  };
 };
 
 const serializeAws_json1_1DeleteStreamInput = (
   input: DeleteStreamInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EnforceConsumerDeletion !== undefined) {
-    bodyParams["EnforceConsumerDeletion"] = input.EnforceConsumerDeletion;
-  }
-  if (input.StreamName !== undefined) {
-    bodyParams["StreamName"] = input.StreamName;
-  }
-  return bodyParams;
+  return {
+    ...(input.EnforceConsumerDeletion !== undefined && {
+      EnforceConsumerDeletion: input.EnforceConsumerDeletion
+    }),
+    ...(input.StreamName !== undefined && { StreamName: input.StreamName })
+  };
 };
 
 const serializeAws_json1_1DeregisterStreamConsumerInput = (
   input: DeregisterStreamConsumerInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ConsumerARN !== undefined) {
-    bodyParams["ConsumerARN"] = input.ConsumerARN;
-  }
-  if (input.ConsumerName !== undefined) {
-    bodyParams["ConsumerName"] = input.ConsumerName;
-  }
-  if (input.StreamARN !== undefined) {
-    bodyParams["StreamARN"] = input.StreamARN;
-  }
-  return bodyParams;
+  return {
+    ...(input.ConsumerARN !== undefined && { ConsumerARN: input.ConsumerARN }),
+    ...(input.ConsumerName !== undefined && {
+      ConsumerName: input.ConsumerName
+    }),
+    ...(input.StreamARN !== undefined && { StreamARN: input.StreamARN })
+  };
 };
 
 const serializeAws_json1_1DescribeLimitsInput = (
   input: DescribeLimitsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  return bodyParams;
+  return {};
 };
 
 const serializeAws_json1_1DescribeStreamConsumerInput = (
   input: DescribeStreamConsumerInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ConsumerARN !== undefined) {
-    bodyParams["ConsumerARN"] = input.ConsumerARN;
-  }
-  if (input.ConsumerName !== undefined) {
-    bodyParams["ConsumerName"] = input.ConsumerName;
-  }
-  if (input.StreamARN !== undefined) {
-    bodyParams["StreamARN"] = input.StreamARN;
-  }
-  return bodyParams;
+  return {
+    ...(input.ConsumerARN !== undefined && { ConsumerARN: input.ConsumerARN }),
+    ...(input.ConsumerName !== undefined && {
+      ConsumerName: input.ConsumerName
+    }),
+    ...(input.StreamARN !== undefined && { StreamARN: input.StreamARN })
+  };
 };
 
 const serializeAws_json1_1DescribeStreamInput = (
   input: DescribeStreamInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ExclusiveStartShardId !== undefined) {
-    bodyParams["ExclusiveStartShardId"] = input.ExclusiveStartShardId;
-  }
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.StreamName !== undefined) {
-    bodyParams["StreamName"] = input.StreamName;
-  }
-  return bodyParams;
+  return {
+    ...(input.ExclusiveStartShardId !== undefined && {
+      ExclusiveStartShardId: input.ExclusiveStartShardId
+    }),
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.StreamName !== undefined && { StreamName: input.StreamName })
+  };
 };
 
 const serializeAws_json1_1DescribeStreamSummaryInput = (
   input: DescribeStreamSummaryInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.StreamName !== undefined) {
-    bodyParams["StreamName"] = input.StreamName;
-  }
-  return bodyParams;
+  return {
+    ...(input.StreamName !== undefined && { StreamName: input.StreamName })
+  };
 };
 
 const serializeAws_json1_1DisableEnhancedMonitoringInput = (
   input: DisableEnhancedMonitoringInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ShardLevelMetrics !== undefined) {
-    bodyParams["ShardLevelMetrics"] = serializeAws_json1_1MetricsNameList(
-      input.ShardLevelMetrics,
-      context
-    );
-  }
-  if (input.StreamName !== undefined) {
-    bodyParams["StreamName"] = input.StreamName;
-  }
-  return bodyParams;
+  return {
+    ...(input.ShardLevelMetrics !== undefined && {
+      ShardLevelMetrics: serializeAws_json1_1MetricsNameList(
+        input.ShardLevelMetrics,
+        context
+      )
+    }),
+    ...(input.StreamName !== undefined && { StreamName: input.StreamName })
+  };
 };
 
 const serializeAws_json1_1EnableEnhancedMonitoringInput = (
   input: EnableEnhancedMonitoringInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ShardLevelMetrics !== undefined) {
-    bodyParams["ShardLevelMetrics"] = serializeAws_json1_1MetricsNameList(
-      input.ShardLevelMetrics,
-      context
-    );
-  }
-  if (input.StreamName !== undefined) {
-    bodyParams["StreamName"] = input.StreamName;
-  }
-  return bodyParams;
+  return {
+    ...(input.ShardLevelMetrics !== undefined && {
+      ShardLevelMetrics: serializeAws_json1_1MetricsNameList(
+        input.ShardLevelMetrics,
+        context
+      )
+    }),
+    ...(input.StreamName !== undefined && { StreamName: input.StreamName })
+  };
 };
 
 const serializeAws_json1_1GetRecordsInput = (
   input: GetRecordsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.ShardIterator !== undefined) {
-    bodyParams["ShardIterator"] = input.ShardIterator;
-  }
-  return bodyParams;
+  return {
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.ShardIterator !== undefined && {
+      ShardIterator: input.ShardIterator
+    })
+  };
 };
 
 const serializeAws_json1_1GetShardIteratorInput = (
   input: GetShardIteratorInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ShardId !== undefined) {
-    bodyParams["ShardId"] = input.ShardId;
-  }
-  if (input.ShardIteratorType !== undefined) {
-    bodyParams["ShardIteratorType"] = input.ShardIteratorType;
-  }
-  if (input.StartingSequenceNumber !== undefined) {
-    bodyParams["StartingSequenceNumber"] = input.StartingSequenceNumber;
-  }
-  if (input.StreamName !== undefined) {
-    bodyParams["StreamName"] = input.StreamName;
-  }
-  if (input.Timestamp !== undefined) {
-    bodyParams["Timestamp"] = Math.round(input.Timestamp.getTime() / 1000);
-  }
-  return bodyParams;
+  return {
+    ...(input.ShardId !== undefined && { ShardId: input.ShardId }),
+    ...(input.ShardIteratorType !== undefined && {
+      ShardIteratorType: input.ShardIteratorType
+    }),
+    ...(input.StartingSequenceNumber !== undefined && {
+      StartingSequenceNumber: input.StartingSequenceNumber
+    }),
+    ...(input.StreamName !== undefined && { StreamName: input.StreamName }),
+    ...(input.Timestamp !== undefined && {
+      Timestamp: Math.round(input.Timestamp.getTime() / 1000)
+    })
+  };
 };
 
 const serializeAws_json1_1IncreaseStreamRetentionPeriodInput = (
   input: IncreaseStreamRetentionPeriodInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.RetentionPeriodHours !== undefined) {
-    bodyParams["RetentionPeriodHours"] = input.RetentionPeriodHours;
-  }
-  if (input.StreamName !== undefined) {
-    bodyParams["StreamName"] = input.StreamName;
-  }
-  return bodyParams;
+  return {
+    ...(input.RetentionPeriodHours !== undefined && {
+      RetentionPeriodHours: input.RetentionPeriodHours
+    }),
+    ...(input.StreamName !== undefined && { StreamName: input.StreamName })
+  };
 };
 
 const serializeAws_json1_1ListShardsInput = (
   input: ListShardsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ExclusiveStartShardId !== undefined) {
-    bodyParams["ExclusiveStartShardId"] = input.ExclusiveStartShardId;
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.StreamCreationTimestamp !== undefined) {
-    bodyParams["StreamCreationTimestamp"] = Math.round(
-      input.StreamCreationTimestamp.getTime() / 1000
-    );
-  }
-  if (input.StreamName !== undefined) {
-    bodyParams["StreamName"] = input.StreamName;
-  }
-  return bodyParams;
+  return {
+    ...(input.ExclusiveStartShardId !== undefined && {
+      ExclusiveStartShardId: input.ExclusiveStartShardId
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.StreamCreationTimestamp !== undefined && {
+      StreamCreationTimestamp: Math.round(
+        input.StreamCreationTimestamp.getTime() / 1000
+      )
+    }),
+    ...(input.StreamName !== undefined && { StreamName: input.StreamName })
+  };
 };
 
 const serializeAws_json1_1ListStreamConsumersInput = (
   input: ListStreamConsumersInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.StreamARN !== undefined) {
-    bodyParams["StreamARN"] = input.StreamARN;
-  }
-  if (input.StreamCreationTimestamp !== undefined) {
-    bodyParams["StreamCreationTimestamp"] = Math.round(
-      input.StreamCreationTimestamp.getTime() / 1000
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.StreamARN !== undefined && { StreamARN: input.StreamARN }),
+    ...(input.StreamCreationTimestamp !== undefined && {
+      StreamCreationTimestamp: Math.round(
+        input.StreamCreationTimestamp.getTime() / 1000
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1ListStreamsInput = (
   input: ListStreamsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ExclusiveStartStreamName !== undefined) {
-    bodyParams["ExclusiveStartStreamName"] = input.ExclusiveStartStreamName;
-  }
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  return bodyParams;
+  return {
+    ...(input.ExclusiveStartStreamName !== undefined && {
+      ExclusiveStartStreamName: input.ExclusiveStartStreamName
+    }),
+    ...(input.Limit !== undefined && { Limit: input.Limit })
+  };
 };
 
 const serializeAws_json1_1ListTagsForStreamInput = (
   input: ListTagsForStreamInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ExclusiveStartTagKey !== undefined) {
-    bodyParams["ExclusiveStartTagKey"] = input.ExclusiveStartTagKey;
-  }
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.StreamName !== undefined) {
-    bodyParams["StreamName"] = input.StreamName;
-  }
-  return bodyParams;
+  return {
+    ...(input.ExclusiveStartTagKey !== undefined && {
+      ExclusiveStartTagKey: input.ExclusiveStartTagKey
+    }),
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.StreamName !== undefined && { StreamName: input.StreamName })
+  };
 };
 
 const serializeAws_json1_1MergeShardsInput = (
   input: MergeShardsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AdjacentShardToMerge !== undefined) {
-    bodyParams["AdjacentShardToMerge"] = input.AdjacentShardToMerge;
-  }
-  if (input.ShardToMerge !== undefined) {
-    bodyParams["ShardToMerge"] = input.ShardToMerge;
-  }
-  if (input.StreamName !== undefined) {
-    bodyParams["StreamName"] = input.StreamName;
-  }
-  return bodyParams;
+  return {
+    ...(input.AdjacentShardToMerge !== undefined && {
+      AdjacentShardToMerge: input.AdjacentShardToMerge
+    }),
+    ...(input.ShardToMerge !== undefined && {
+      ShardToMerge: input.ShardToMerge
+    }),
+    ...(input.StreamName !== undefined && { StreamName: input.StreamName })
+  };
 };
 
 const serializeAws_json1_1MetricsNameList = (
@@ -3836,57 +3779,53 @@ const serializeAws_json1_1PutRecordInput = (
   input: PutRecordInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Data !== undefined) {
-    bodyParams["Data"] = context.base64Encoder(input.Data);
-  }
-  if (input.ExplicitHashKey !== undefined) {
-    bodyParams["ExplicitHashKey"] = input.ExplicitHashKey;
-  }
-  if (input.PartitionKey !== undefined) {
-    bodyParams["PartitionKey"] = input.PartitionKey;
-  }
-  if (input.SequenceNumberForOrdering !== undefined) {
-    bodyParams["SequenceNumberForOrdering"] = input.SequenceNumberForOrdering;
-  }
-  if (input.StreamName !== undefined) {
-    bodyParams["StreamName"] = input.StreamName;
-  }
-  return bodyParams;
+  return {
+    ...(input.Data !== undefined && {
+      Data: context.base64Encoder(input.Data)
+    }),
+    ...(input.ExplicitHashKey !== undefined && {
+      ExplicitHashKey: input.ExplicitHashKey
+    }),
+    ...(input.PartitionKey !== undefined && {
+      PartitionKey: input.PartitionKey
+    }),
+    ...(input.SequenceNumberForOrdering !== undefined && {
+      SequenceNumberForOrdering: input.SequenceNumberForOrdering
+    }),
+    ...(input.StreamName !== undefined && { StreamName: input.StreamName })
+  };
 };
 
 const serializeAws_json1_1PutRecordsInput = (
   input: PutRecordsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Records !== undefined) {
-    bodyParams["Records"] = serializeAws_json1_1PutRecordsRequestEntryList(
-      input.Records,
-      context
-    );
-  }
-  if (input.StreamName !== undefined) {
-    bodyParams["StreamName"] = input.StreamName;
-  }
-  return bodyParams;
+  return {
+    ...(input.Records !== undefined && {
+      Records: serializeAws_json1_1PutRecordsRequestEntryList(
+        input.Records,
+        context
+      )
+    }),
+    ...(input.StreamName !== undefined && { StreamName: input.StreamName })
+  };
 };
 
 const serializeAws_json1_1PutRecordsRequestEntry = (
   input: PutRecordsRequestEntry,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Data !== undefined) {
-    bodyParams["Data"] = context.base64Encoder(input.Data);
-  }
-  if (input.ExplicitHashKey !== undefined) {
-    bodyParams["ExplicitHashKey"] = input.ExplicitHashKey;
-  }
-  if (input.PartitionKey !== undefined) {
-    bodyParams["PartitionKey"] = input.PartitionKey;
-  }
-  return bodyParams;
+  return {
+    ...(input.Data !== undefined && {
+      Data: context.base64Encoder(input.Data)
+    }),
+    ...(input.ExplicitHashKey !== undefined && {
+      ExplicitHashKey: input.ExplicitHashKey
+    }),
+    ...(input.PartitionKey !== undefined && {
+      PartitionKey: input.PartitionKey
+    })
+  };
 };
 
 const serializeAws_json1_1PutRecordsRequestEntryList = (
@@ -3902,119 +3841,96 @@ const serializeAws_json1_1RegisterStreamConsumerInput = (
   input: RegisterStreamConsumerInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ConsumerName !== undefined) {
-    bodyParams["ConsumerName"] = input.ConsumerName;
-  }
-  if (input.StreamARN !== undefined) {
-    bodyParams["StreamARN"] = input.StreamARN;
-  }
-  return bodyParams;
+  return {
+    ...(input.ConsumerName !== undefined && {
+      ConsumerName: input.ConsumerName
+    }),
+    ...(input.StreamARN !== undefined && { StreamARN: input.StreamARN })
+  };
 };
 
 const serializeAws_json1_1RemoveTagsFromStreamInput = (
   input: RemoveTagsFromStreamInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.StreamName !== undefined) {
-    bodyParams["StreamName"] = input.StreamName;
-  }
-  if (input.TagKeys !== undefined) {
-    bodyParams["TagKeys"] = serializeAws_json1_1TagKeyList(
-      input.TagKeys,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.StreamName !== undefined && { StreamName: input.StreamName }),
+    ...(input.TagKeys !== undefined && {
+      TagKeys: serializeAws_json1_1TagKeyList(input.TagKeys, context)
+    })
+  };
 };
 
 const serializeAws_json1_1SplitShardInput = (
   input: SplitShardInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.NewStartingHashKey !== undefined) {
-    bodyParams["NewStartingHashKey"] = input.NewStartingHashKey;
-  }
-  if (input.ShardToSplit !== undefined) {
-    bodyParams["ShardToSplit"] = input.ShardToSplit;
-  }
-  if (input.StreamName !== undefined) {
-    bodyParams["StreamName"] = input.StreamName;
-  }
-  return bodyParams;
+  return {
+    ...(input.NewStartingHashKey !== undefined && {
+      NewStartingHashKey: input.NewStartingHashKey
+    }),
+    ...(input.ShardToSplit !== undefined && {
+      ShardToSplit: input.ShardToSplit
+    }),
+    ...(input.StreamName !== undefined && { StreamName: input.StreamName })
+  };
 };
 
 const serializeAws_json1_1StartStreamEncryptionInput = (
   input: StartStreamEncryptionInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EncryptionType !== undefined) {
-    bodyParams["EncryptionType"] = input.EncryptionType;
-  }
-  if (input.KeyId !== undefined) {
-    bodyParams["KeyId"] = input.KeyId;
-  }
-  if (input.StreamName !== undefined) {
-    bodyParams["StreamName"] = input.StreamName;
-  }
-  return bodyParams;
+  return {
+    ...(input.EncryptionType !== undefined && {
+      EncryptionType: input.EncryptionType
+    }),
+    ...(input.KeyId !== undefined && { KeyId: input.KeyId }),
+    ...(input.StreamName !== undefined && { StreamName: input.StreamName })
+  };
 };
 
 const serializeAws_json1_1StartingPosition = (
   input: StartingPosition,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.SequenceNumber !== undefined) {
-    bodyParams["SequenceNumber"] = input.SequenceNumber;
-  }
-  if (input.Timestamp !== undefined) {
-    bodyParams["Timestamp"] = Math.round(input.Timestamp.getTime() / 1000);
-  }
-  if (input.Type !== undefined) {
-    bodyParams["Type"] = input.Type;
-  }
-  return bodyParams;
+  return {
+    ...(input.SequenceNumber !== undefined && {
+      SequenceNumber: input.SequenceNumber
+    }),
+    ...(input.Timestamp !== undefined && {
+      Timestamp: Math.round(input.Timestamp.getTime() / 1000)
+    }),
+    ...(input.Type !== undefined && { Type: input.Type })
+  };
 };
 
 const serializeAws_json1_1StopStreamEncryptionInput = (
   input: StopStreamEncryptionInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EncryptionType !== undefined) {
-    bodyParams["EncryptionType"] = input.EncryptionType;
-  }
-  if (input.KeyId !== undefined) {
-    bodyParams["KeyId"] = input.KeyId;
-  }
-  if (input.StreamName !== undefined) {
-    bodyParams["StreamName"] = input.StreamName;
-  }
-  return bodyParams;
+  return {
+    ...(input.EncryptionType !== undefined && {
+      EncryptionType: input.EncryptionType
+    }),
+    ...(input.KeyId !== undefined && { KeyId: input.KeyId }),
+    ...(input.StreamName !== undefined && { StreamName: input.StreamName })
+  };
 };
 
 const serializeAws_json1_1SubscribeToShardInput = (
   input: SubscribeToShardInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ConsumerARN !== undefined) {
-    bodyParams["ConsumerARN"] = input.ConsumerARN;
-  }
-  if (input.ShardId !== undefined) {
-    bodyParams["ShardId"] = input.ShardId;
-  }
-  if (input.StartingPosition !== undefined) {
-    bodyParams["StartingPosition"] = serializeAws_json1_1StartingPosition(
-      input.StartingPosition,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ConsumerARN !== undefined && { ConsumerARN: input.ConsumerARN }),
+    ...(input.ShardId !== undefined && { ShardId: input.ShardId }),
+    ...(input.StartingPosition !== undefined && {
+      StartingPosition: serializeAws_json1_1StartingPosition(
+        input.StartingPosition,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1TagKeyList = (
@@ -4038,17 +3954,13 @@ const serializeAws_json1_1UpdateShardCountInput = (
   input: UpdateShardCountInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ScalingType !== undefined) {
-    bodyParams["ScalingType"] = input.ScalingType;
-  }
-  if (input.StreamName !== undefined) {
-    bodyParams["StreamName"] = input.StreamName;
-  }
-  if (input.TargetShardCount !== undefined) {
-    bodyParams["TargetShardCount"] = input.TargetShardCount;
-  }
-  return bodyParams;
+  return {
+    ...(input.ScalingType !== undefined && { ScalingType: input.ScalingType }),
+    ...(input.StreamName !== undefined && { StreamName: input.StreamName }),
+    ...(input.TargetShardCount !== undefined && {
+      TargetShardCount: input.TargetShardCount
+    })
+  };
 };
 
 const deserializeAws_json1_1Consumer = (
diff --git a/clients/client-kms/protocols/Aws_json1_1.ts b/clients/client-kms/protocols/Aws_json1_1.ts
index 9edcd1d1e95d..992f8a5fab34 100644
--- a/clients/client-kms/protocols/Aws_json1_1.ts
+++ b/clients/client-kms/protocols/Aws_json1_1.ts
@@ -7015,310 +7015,269 @@ const serializeAws_json1_1CancelKeyDeletionRequest = (
   input: CancelKeyDeletionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.KeyId !== undefined) {
-    bodyParams["KeyId"] = input.KeyId;
-  }
-  return bodyParams;
+  return {
+    ...(input.KeyId !== undefined && { KeyId: input.KeyId })
+  };
 };
 
 const serializeAws_json1_1ConnectCustomKeyStoreRequest = (
   input: ConnectCustomKeyStoreRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CustomKeyStoreId !== undefined) {
-    bodyParams["CustomKeyStoreId"] = input.CustomKeyStoreId;
-  }
-  return bodyParams;
+  return {
+    ...(input.CustomKeyStoreId !== undefined && {
+      CustomKeyStoreId: input.CustomKeyStoreId
+    })
+  };
 };
 
 const serializeAws_json1_1CreateAliasRequest = (
   input: CreateAliasRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AliasName !== undefined) {
-    bodyParams["AliasName"] = input.AliasName;
-  }
-  if (input.TargetKeyId !== undefined) {
-    bodyParams["TargetKeyId"] = input.TargetKeyId;
-  }
-  return bodyParams;
+  return {
+    ...(input.AliasName !== undefined && { AliasName: input.AliasName }),
+    ...(input.TargetKeyId !== undefined && { TargetKeyId: input.TargetKeyId })
+  };
 };
 
 const serializeAws_json1_1CreateCustomKeyStoreRequest = (
   input: CreateCustomKeyStoreRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CloudHsmClusterId !== undefined) {
-    bodyParams["CloudHsmClusterId"] = input.CloudHsmClusterId;
-  }
-  if (input.CustomKeyStoreName !== undefined) {
-    bodyParams["CustomKeyStoreName"] = input.CustomKeyStoreName;
-  }
-  if (input.KeyStorePassword !== undefined) {
-    bodyParams["KeyStorePassword"] = input.KeyStorePassword;
-  }
-  if (input.TrustAnchorCertificate !== undefined) {
-    bodyParams["TrustAnchorCertificate"] = input.TrustAnchorCertificate;
-  }
-  return bodyParams;
+  return {
+    ...(input.CloudHsmClusterId !== undefined && {
+      CloudHsmClusterId: input.CloudHsmClusterId
+    }),
+    ...(input.CustomKeyStoreName !== undefined && {
+      CustomKeyStoreName: input.CustomKeyStoreName
+    }),
+    ...(input.KeyStorePassword !== undefined && {
+      KeyStorePassword: input.KeyStorePassword
+    }),
+    ...(input.TrustAnchorCertificate !== undefined && {
+      TrustAnchorCertificate: input.TrustAnchorCertificate
+    })
+  };
 };
 
 const serializeAws_json1_1CreateGrantRequest = (
   input: CreateGrantRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Constraints !== undefined) {
-    bodyParams["Constraints"] = serializeAws_json1_1GrantConstraints(
-      input.Constraints,
-      context
-    );
-  }
-  if (input.GrantTokens !== undefined) {
-    bodyParams["GrantTokens"] = serializeAws_json1_1GrantTokenList(
-      input.GrantTokens,
-      context
-    );
-  }
-  if (input.GranteePrincipal !== undefined) {
-    bodyParams["GranteePrincipal"] = input.GranteePrincipal;
-  }
-  if (input.KeyId !== undefined) {
-    bodyParams["KeyId"] = input.KeyId;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.Operations !== undefined) {
-    bodyParams["Operations"] = serializeAws_json1_1GrantOperationList(
-      input.Operations,
-      context
-    );
-  }
-  if (input.RetiringPrincipal !== undefined) {
-    bodyParams["RetiringPrincipal"] = input.RetiringPrincipal;
-  }
-  return bodyParams;
+  return {
+    ...(input.Constraints !== undefined && {
+      Constraints: serializeAws_json1_1GrantConstraints(
+        input.Constraints,
+        context
+      )
+    }),
+    ...(input.GrantTokens !== undefined && {
+      GrantTokens: serializeAws_json1_1GrantTokenList(
+        input.GrantTokens,
+        context
+      )
+    }),
+    ...(input.GranteePrincipal !== undefined && {
+      GranteePrincipal: input.GranteePrincipal
+    }),
+    ...(input.KeyId !== undefined && { KeyId: input.KeyId }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.Operations !== undefined && {
+      Operations: serializeAws_json1_1GrantOperationList(
+        input.Operations,
+        context
+      )
+    }),
+    ...(input.RetiringPrincipal !== undefined && {
+      RetiringPrincipal: input.RetiringPrincipal
+    })
+  };
 };
 
 const serializeAws_json1_1CreateKeyRequest = (
   input: CreateKeyRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.BypassPolicyLockoutSafetyCheck !== undefined) {
-    bodyParams["BypassPolicyLockoutSafetyCheck"] =
-      input.BypassPolicyLockoutSafetyCheck;
-  }
-  if (input.CustomKeyStoreId !== undefined) {
-    bodyParams["CustomKeyStoreId"] = input.CustomKeyStoreId;
-  }
-  if (input.CustomerMasterKeySpec !== undefined) {
-    bodyParams["CustomerMasterKeySpec"] = input.CustomerMasterKeySpec;
-  }
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.KeyUsage !== undefined) {
-    bodyParams["KeyUsage"] = input.KeyUsage;
-  }
-  if (input.Origin !== undefined) {
-    bodyParams["Origin"] = input.Origin;
-  }
-  if (input.Policy !== undefined) {
-    bodyParams["Policy"] = input.Policy;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagList(input.Tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.BypassPolicyLockoutSafetyCheck !== undefined && {
+      BypassPolicyLockoutSafetyCheck: input.BypassPolicyLockoutSafetyCheck
+    }),
+    ...(input.CustomKeyStoreId !== undefined && {
+      CustomKeyStoreId: input.CustomKeyStoreId
+    }),
+    ...(input.CustomerMasterKeySpec !== undefined && {
+      CustomerMasterKeySpec: input.CustomerMasterKeySpec
+    }),
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.KeyUsage !== undefined && { KeyUsage: input.KeyUsage }),
+    ...(input.Origin !== undefined && { Origin: input.Origin }),
+    ...(input.Policy !== undefined && { Policy: input.Policy }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagList(input.Tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1DecryptRequest = (
   input: DecryptRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CiphertextBlob !== undefined) {
-    bodyParams["CiphertextBlob"] = context.base64Encoder(input.CiphertextBlob);
-  }
-  if (input.EncryptionAlgorithm !== undefined) {
-    bodyParams["EncryptionAlgorithm"] = input.EncryptionAlgorithm;
-  }
-  if (input.EncryptionContext !== undefined) {
-    bodyParams["EncryptionContext"] = serializeAws_json1_1EncryptionContextType(
-      input.EncryptionContext,
-      context
-    );
-  }
-  if (input.GrantTokens !== undefined) {
-    bodyParams["GrantTokens"] = serializeAws_json1_1GrantTokenList(
-      input.GrantTokens,
-      context
-    );
-  }
-  if (input.KeyId !== undefined) {
-    bodyParams["KeyId"] = input.KeyId;
-  }
-  return bodyParams;
+  return {
+    ...(input.CiphertextBlob !== undefined && {
+      CiphertextBlob: context.base64Encoder(input.CiphertextBlob)
+    }),
+    ...(input.EncryptionAlgorithm !== undefined && {
+      EncryptionAlgorithm: input.EncryptionAlgorithm
+    }),
+    ...(input.EncryptionContext !== undefined && {
+      EncryptionContext: serializeAws_json1_1EncryptionContextType(
+        input.EncryptionContext,
+        context
+      )
+    }),
+    ...(input.GrantTokens !== undefined && {
+      GrantTokens: serializeAws_json1_1GrantTokenList(
+        input.GrantTokens,
+        context
+      )
+    }),
+    ...(input.KeyId !== undefined && { KeyId: input.KeyId })
+  };
 };
 
 const serializeAws_json1_1DeleteAliasRequest = (
   input: DeleteAliasRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AliasName !== undefined) {
-    bodyParams["AliasName"] = input.AliasName;
-  }
-  return bodyParams;
+  return {
+    ...(input.AliasName !== undefined && { AliasName: input.AliasName })
+  };
 };
 
 const serializeAws_json1_1DeleteCustomKeyStoreRequest = (
   input: DeleteCustomKeyStoreRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CustomKeyStoreId !== undefined) {
-    bodyParams["CustomKeyStoreId"] = input.CustomKeyStoreId;
-  }
-  return bodyParams;
+  return {
+    ...(input.CustomKeyStoreId !== undefined && {
+      CustomKeyStoreId: input.CustomKeyStoreId
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteImportedKeyMaterialRequest = (
   input: DeleteImportedKeyMaterialRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.KeyId !== undefined) {
-    bodyParams["KeyId"] = input.KeyId;
-  }
-  return bodyParams;
+  return {
+    ...(input.KeyId !== undefined && { KeyId: input.KeyId })
+  };
 };
 
 const serializeAws_json1_1DescribeCustomKeyStoresRequest = (
   input: DescribeCustomKeyStoresRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CustomKeyStoreId !== undefined) {
-    bodyParams["CustomKeyStoreId"] = input.CustomKeyStoreId;
-  }
-  if (input.CustomKeyStoreName !== undefined) {
-    bodyParams["CustomKeyStoreName"] = input.CustomKeyStoreName;
-  }
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.Marker !== undefined) {
-    bodyParams["Marker"] = input.Marker;
-  }
-  return bodyParams;
+  return {
+    ...(input.CustomKeyStoreId !== undefined && {
+      CustomKeyStoreId: input.CustomKeyStoreId
+    }),
+    ...(input.CustomKeyStoreName !== undefined && {
+      CustomKeyStoreName: input.CustomKeyStoreName
+    }),
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.Marker !== undefined && { Marker: input.Marker })
+  };
 };
 
 const serializeAws_json1_1DescribeKeyRequest = (
   input: DescribeKeyRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.GrantTokens !== undefined) {
-    bodyParams["GrantTokens"] = serializeAws_json1_1GrantTokenList(
-      input.GrantTokens,
-      context
-    );
-  }
-  if (input.KeyId !== undefined) {
-    bodyParams["KeyId"] = input.KeyId;
-  }
-  return bodyParams;
+  return {
+    ...(input.GrantTokens !== undefined && {
+      GrantTokens: serializeAws_json1_1GrantTokenList(
+        input.GrantTokens,
+        context
+      )
+    }),
+    ...(input.KeyId !== undefined && { KeyId: input.KeyId })
+  };
 };
 
 const serializeAws_json1_1DisableKeyRequest = (
   input: DisableKeyRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.KeyId !== undefined) {
-    bodyParams["KeyId"] = input.KeyId;
-  }
-  return bodyParams;
+  return {
+    ...(input.KeyId !== undefined && { KeyId: input.KeyId })
+  };
 };
 
 const serializeAws_json1_1DisableKeyRotationRequest = (
   input: DisableKeyRotationRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.KeyId !== undefined) {
-    bodyParams["KeyId"] = input.KeyId;
-  }
-  return bodyParams;
+  return {
+    ...(input.KeyId !== undefined && { KeyId: input.KeyId })
+  };
 };
 
 const serializeAws_json1_1DisconnectCustomKeyStoreRequest = (
   input: DisconnectCustomKeyStoreRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CustomKeyStoreId !== undefined) {
-    bodyParams["CustomKeyStoreId"] = input.CustomKeyStoreId;
-  }
-  return bodyParams;
+  return {
+    ...(input.CustomKeyStoreId !== undefined && {
+      CustomKeyStoreId: input.CustomKeyStoreId
+    })
+  };
 };
 
 const serializeAws_json1_1EnableKeyRequest = (
   input: EnableKeyRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.KeyId !== undefined) {
-    bodyParams["KeyId"] = input.KeyId;
-  }
-  return bodyParams;
+  return {
+    ...(input.KeyId !== undefined && { KeyId: input.KeyId })
+  };
 };
 
 const serializeAws_json1_1EnableKeyRotationRequest = (
   input: EnableKeyRotationRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.KeyId !== undefined) {
-    bodyParams["KeyId"] = input.KeyId;
-  }
-  return bodyParams;
+  return {
+    ...(input.KeyId !== undefined && { KeyId: input.KeyId })
+  };
 };
 
 const serializeAws_json1_1EncryptRequest = (
   input: EncryptRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EncryptionAlgorithm !== undefined) {
-    bodyParams["EncryptionAlgorithm"] = input.EncryptionAlgorithm;
-  }
-  if (input.EncryptionContext !== undefined) {
-    bodyParams["EncryptionContext"] = serializeAws_json1_1EncryptionContextType(
-      input.EncryptionContext,
-      context
-    );
-  }
-  if (input.GrantTokens !== undefined) {
-    bodyParams["GrantTokens"] = serializeAws_json1_1GrantTokenList(
-      input.GrantTokens,
-      context
-    );
-  }
-  if (input.KeyId !== undefined) {
-    bodyParams["KeyId"] = input.KeyId;
-  }
-  if (input.Plaintext !== undefined) {
-    bodyParams["Plaintext"] = context.base64Encoder(input.Plaintext);
-  }
-  return bodyParams;
+  return {
+    ...(input.EncryptionAlgorithm !== undefined && {
+      EncryptionAlgorithm: input.EncryptionAlgorithm
+    }),
+    ...(input.EncryptionContext !== undefined && {
+      EncryptionContext: serializeAws_json1_1EncryptionContextType(
+        input.EncryptionContext,
+        context
+      )
+    }),
+    ...(input.GrantTokens !== undefined && {
+      GrantTokens: serializeAws_json1_1GrantTokenList(
+        input.GrantTokens,
+        context
+      )
+    }),
+    ...(input.KeyId !== undefined && { KeyId: input.KeyId }),
+    ...(input.Plaintext !== undefined && {
+      Plaintext: context.base64Encoder(input.Plaintext)
+    })
+  };
 };
 
 const serializeAws_json1_1EncryptionContextType = (
@@ -7335,207 +7294,177 @@ const serializeAws_json1_1GenerateDataKeyPairRequest = (
   input: GenerateDataKeyPairRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EncryptionContext !== undefined) {
-    bodyParams["EncryptionContext"] = serializeAws_json1_1EncryptionContextType(
-      input.EncryptionContext,
-      context
-    );
-  }
-  if (input.GrantTokens !== undefined) {
-    bodyParams["GrantTokens"] = serializeAws_json1_1GrantTokenList(
-      input.GrantTokens,
-      context
-    );
-  }
-  if (input.KeyId !== undefined) {
-    bodyParams["KeyId"] = input.KeyId;
-  }
-  if (input.KeyPairSpec !== undefined) {
-    bodyParams["KeyPairSpec"] = input.KeyPairSpec;
-  }
-  return bodyParams;
+  return {
+    ...(input.EncryptionContext !== undefined && {
+      EncryptionContext: serializeAws_json1_1EncryptionContextType(
+        input.EncryptionContext,
+        context
+      )
+    }),
+    ...(input.GrantTokens !== undefined && {
+      GrantTokens: serializeAws_json1_1GrantTokenList(
+        input.GrantTokens,
+        context
+      )
+    }),
+    ...(input.KeyId !== undefined && { KeyId: input.KeyId }),
+    ...(input.KeyPairSpec !== undefined && { KeyPairSpec: input.KeyPairSpec })
+  };
 };
 
 const serializeAws_json1_1GenerateDataKeyPairWithoutPlaintextRequest = (
   input: GenerateDataKeyPairWithoutPlaintextRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EncryptionContext !== undefined) {
-    bodyParams["EncryptionContext"] = serializeAws_json1_1EncryptionContextType(
-      input.EncryptionContext,
-      context
-    );
-  }
-  if (input.GrantTokens !== undefined) {
-    bodyParams["GrantTokens"] = serializeAws_json1_1GrantTokenList(
-      input.GrantTokens,
-      context
-    );
-  }
-  if (input.KeyId !== undefined) {
-    bodyParams["KeyId"] = input.KeyId;
-  }
-  if (input.KeyPairSpec !== undefined) {
-    bodyParams["KeyPairSpec"] = input.KeyPairSpec;
-  }
-  return bodyParams;
+  return {
+    ...(input.EncryptionContext !== undefined && {
+      EncryptionContext: serializeAws_json1_1EncryptionContextType(
+        input.EncryptionContext,
+        context
+      )
+    }),
+    ...(input.GrantTokens !== undefined && {
+      GrantTokens: serializeAws_json1_1GrantTokenList(
+        input.GrantTokens,
+        context
+      )
+    }),
+    ...(input.KeyId !== undefined && { KeyId: input.KeyId }),
+    ...(input.KeyPairSpec !== undefined && { KeyPairSpec: input.KeyPairSpec })
+  };
 };
 
 const serializeAws_json1_1GenerateDataKeyRequest = (
   input: GenerateDataKeyRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EncryptionContext !== undefined) {
-    bodyParams["EncryptionContext"] = serializeAws_json1_1EncryptionContextType(
-      input.EncryptionContext,
-      context
-    );
-  }
-  if (input.GrantTokens !== undefined) {
-    bodyParams["GrantTokens"] = serializeAws_json1_1GrantTokenList(
-      input.GrantTokens,
-      context
-    );
-  }
-  if (input.KeyId !== undefined) {
-    bodyParams["KeyId"] = input.KeyId;
-  }
-  if (input.KeySpec !== undefined) {
-    bodyParams["KeySpec"] = input.KeySpec;
-  }
-  if (input.NumberOfBytes !== undefined) {
-    bodyParams["NumberOfBytes"] = input.NumberOfBytes;
-  }
-  return bodyParams;
+  return {
+    ...(input.EncryptionContext !== undefined && {
+      EncryptionContext: serializeAws_json1_1EncryptionContextType(
+        input.EncryptionContext,
+        context
+      )
+    }),
+    ...(input.GrantTokens !== undefined && {
+      GrantTokens: serializeAws_json1_1GrantTokenList(
+        input.GrantTokens,
+        context
+      )
+    }),
+    ...(input.KeyId !== undefined && { KeyId: input.KeyId }),
+    ...(input.KeySpec !== undefined && { KeySpec: input.KeySpec }),
+    ...(input.NumberOfBytes !== undefined && {
+      NumberOfBytes: input.NumberOfBytes
+    })
+  };
 };
 
 const serializeAws_json1_1GenerateDataKeyWithoutPlaintextRequest = (
   input: GenerateDataKeyWithoutPlaintextRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EncryptionContext !== undefined) {
-    bodyParams["EncryptionContext"] = serializeAws_json1_1EncryptionContextType(
-      input.EncryptionContext,
-      context
-    );
-  }
-  if (input.GrantTokens !== undefined) {
-    bodyParams["GrantTokens"] = serializeAws_json1_1GrantTokenList(
-      input.GrantTokens,
-      context
-    );
-  }
-  if (input.KeyId !== undefined) {
-    bodyParams["KeyId"] = input.KeyId;
-  }
-  if (input.KeySpec !== undefined) {
-    bodyParams["KeySpec"] = input.KeySpec;
-  }
-  if (input.NumberOfBytes !== undefined) {
-    bodyParams["NumberOfBytes"] = input.NumberOfBytes;
-  }
-  return bodyParams;
+  return {
+    ...(input.EncryptionContext !== undefined && {
+      EncryptionContext: serializeAws_json1_1EncryptionContextType(
+        input.EncryptionContext,
+        context
+      )
+    }),
+    ...(input.GrantTokens !== undefined && {
+      GrantTokens: serializeAws_json1_1GrantTokenList(
+        input.GrantTokens,
+        context
+      )
+    }),
+    ...(input.KeyId !== undefined && { KeyId: input.KeyId }),
+    ...(input.KeySpec !== undefined && { KeySpec: input.KeySpec }),
+    ...(input.NumberOfBytes !== undefined && {
+      NumberOfBytes: input.NumberOfBytes
+    })
+  };
 };
 
 const serializeAws_json1_1GenerateRandomRequest = (
   input: GenerateRandomRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CustomKeyStoreId !== undefined) {
-    bodyParams["CustomKeyStoreId"] = input.CustomKeyStoreId;
-  }
-  if (input.NumberOfBytes !== undefined) {
-    bodyParams["NumberOfBytes"] = input.NumberOfBytes;
-  }
-  return bodyParams;
+  return {
+    ...(input.CustomKeyStoreId !== undefined && {
+      CustomKeyStoreId: input.CustomKeyStoreId
+    }),
+    ...(input.NumberOfBytes !== undefined && {
+      NumberOfBytes: input.NumberOfBytes
+    })
+  };
 };
 
 const serializeAws_json1_1GetKeyPolicyRequest = (
   input: GetKeyPolicyRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.KeyId !== undefined) {
-    bodyParams["KeyId"] = input.KeyId;
-  }
-  if (input.PolicyName !== undefined) {
-    bodyParams["PolicyName"] = input.PolicyName;
-  }
-  return bodyParams;
+  return {
+    ...(input.KeyId !== undefined && { KeyId: input.KeyId }),
+    ...(input.PolicyName !== undefined && { PolicyName: input.PolicyName })
+  };
 };
 
 const serializeAws_json1_1GetKeyRotationStatusRequest = (
   input: GetKeyRotationStatusRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.KeyId !== undefined) {
-    bodyParams["KeyId"] = input.KeyId;
-  }
-  return bodyParams;
+  return {
+    ...(input.KeyId !== undefined && { KeyId: input.KeyId })
+  };
 };
 
 const serializeAws_json1_1GetParametersForImportRequest = (
   input: GetParametersForImportRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.KeyId !== undefined) {
-    bodyParams["KeyId"] = input.KeyId;
-  }
-  if (input.WrappingAlgorithm !== undefined) {
-    bodyParams["WrappingAlgorithm"] = input.WrappingAlgorithm;
-  }
-  if (input.WrappingKeySpec !== undefined) {
-    bodyParams["WrappingKeySpec"] = input.WrappingKeySpec;
-  }
-  return bodyParams;
+  return {
+    ...(input.KeyId !== undefined && { KeyId: input.KeyId }),
+    ...(input.WrappingAlgorithm !== undefined && {
+      WrappingAlgorithm: input.WrappingAlgorithm
+    }),
+    ...(input.WrappingKeySpec !== undefined && {
+      WrappingKeySpec: input.WrappingKeySpec
+    })
+  };
 };
 
 const serializeAws_json1_1GetPublicKeyRequest = (
   input: GetPublicKeyRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.GrantTokens !== undefined) {
-    bodyParams["GrantTokens"] = serializeAws_json1_1GrantTokenList(
-      input.GrantTokens,
-      context
-    );
-  }
-  if (input.KeyId !== undefined) {
-    bodyParams["KeyId"] = input.KeyId;
-  }
-  return bodyParams;
+  return {
+    ...(input.GrantTokens !== undefined && {
+      GrantTokens: serializeAws_json1_1GrantTokenList(
+        input.GrantTokens,
+        context
+      )
+    }),
+    ...(input.KeyId !== undefined && { KeyId: input.KeyId })
+  };
 };
 
 const serializeAws_json1_1GrantConstraints = (
   input: GrantConstraints,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EncryptionContextEquals !== undefined) {
-    bodyParams[
-      "EncryptionContextEquals"
-    ] = serializeAws_json1_1EncryptionContextType(
-      input.EncryptionContextEquals,
-      context
-    );
-  }
-  if (input.EncryptionContextSubset !== undefined) {
-    bodyParams[
-      "EncryptionContextSubset"
-    ] = serializeAws_json1_1EncryptionContextType(
-      input.EncryptionContextSubset,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.EncryptionContextEquals !== undefined && {
+      EncryptionContextEquals: serializeAws_json1_1EncryptionContextType(
+        input.EncryptionContextEquals,
+        context
+      )
+    }),
+    ...(input.EncryptionContextSubset !== undefined && {
+      EncryptionContextSubset: serializeAws_json1_1EncryptionContextType(
+        input.EncryptionContextSubset,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1GrantOperationList = (
@@ -7556,273 +7485,203 @@ const serializeAws_json1_1ImportKeyMaterialRequest = (
   input: ImportKeyMaterialRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EncryptedKeyMaterial !== undefined) {
-    bodyParams["EncryptedKeyMaterial"] = context.base64Encoder(
-      input.EncryptedKeyMaterial
-    );
-  }
-  if (input.ExpirationModel !== undefined) {
-    bodyParams["ExpirationModel"] = input.ExpirationModel;
-  }
-  if (input.ImportToken !== undefined) {
-    bodyParams["ImportToken"] = context.base64Encoder(input.ImportToken);
-  }
-  if (input.KeyId !== undefined) {
-    bodyParams["KeyId"] = input.KeyId;
-  }
-  if (input.ValidTo !== undefined) {
-    bodyParams["ValidTo"] = Math.round(input.ValidTo.getTime() / 1000);
-  }
-  return bodyParams;
+  return {
+    ...(input.EncryptedKeyMaterial !== undefined && {
+      EncryptedKeyMaterial: context.base64Encoder(input.EncryptedKeyMaterial)
+    }),
+    ...(input.ExpirationModel !== undefined && {
+      ExpirationModel: input.ExpirationModel
+    }),
+    ...(input.ImportToken !== undefined && {
+      ImportToken: context.base64Encoder(input.ImportToken)
+    }),
+    ...(input.KeyId !== undefined && { KeyId: input.KeyId }),
+    ...(input.ValidTo !== undefined && {
+      ValidTo: Math.round(input.ValidTo.getTime() / 1000)
+    })
+  };
 };
 
 const serializeAws_json1_1ListAliasesRequest = (
   input: ListAliasesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.KeyId !== undefined) {
-    bodyParams["KeyId"] = input.KeyId;
-  }
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.Marker !== undefined) {
-    bodyParams["Marker"] = input.Marker;
-  }
-  return bodyParams;
+  return {
+    ...(input.KeyId !== undefined && { KeyId: input.KeyId }),
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.Marker !== undefined && { Marker: input.Marker })
+  };
 };
 
 const serializeAws_json1_1ListGrantsRequest = (
   input: ListGrantsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.KeyId !== undefined) {
-    bodyParams["KeyId"] = input.KeyId;
-  }
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.Marker !== undefined) {
-    bodyParams["Marker"] = input.Marker;
-  }
-  return bodyParams;
+  return {
+    ...(input.KeyId !== undefined && { KeyId: input.KeyId }),
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.Marker !== undefined && { Marker: input.Marker })
+  };
 };
 
 const serializeAws_json1_1ListKeyPoliciesRequest = (
   input: ListKeyPoliciesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.KeyId !== undefined) {
-    bodyParams["KeyId"] = input.KeyId;
-  }
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.Marker !== undefined) {
-    bodyParams["Marker"] = input.Marker;
-  }
-  return bodyParams;
+  return {
+    ...(input.KeyId !== undefined && { KeyId: input.KeyId }),
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.Marker !== undefined && { Marker: input.Marker })
+  };
 };
 
 const serializeAws_json1_1ListKeysRequest = (
   input: ListKeysRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.Marker !== undefined) {
-    bodyParams["Marker"] = input.Marker;
-  }
-  return bodyParams;
+  return {
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.Marker !== undefined && { Marker: input.Marker })
+  };
 };
 
 const serializeAws_json1_1ListResourceTagsRequest = (
   input: ListResourceTagsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.KeyId !== undefined) {
-    bodyParams["KeyId"] = input.KeyId;
-  }
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.Marker !== undefined) {
-    bodyParams["Marker"] = input.Marker;
-  }
-  return bodyParams;
+  return {
+    ...(input.KeyId !== undefined && { KeyId: input.KeyId }),
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.Marker !== undefined && { Marker: input.Marker })
+  };
 };
 
 const serializeAws_json1_1ListRetirableGrantsRequest = (
   input: ListRetirableGrantsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.Marker !== undefined) {
-    bodyParams["Marker"] = input.Marker;
-  }
-  if (input.RetiringPrincipal !== undefined) {
-    bodyParams["RetiringPrincipal"] = input.RetiringPrincipal;
-  }
-  return bodyParams;
+  return {
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.Marker !== undefined && { Marker: input.Marker }),
+    ...(input.RetiringPrincipal !== undefined && {
+      RetiringPrincipal: input.RetiringPrincipal
+    })
+  };
 };
 
 const serializeAws_json1_1PutKeyPolicyRequest = (
   input: PutKeyPolicyRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.BypassPolicyLockoutSafetyCheck !== undefined) {
-    bodyParams["BypassPolicyLockoutSafetyCheck"] =
-      input.BypassPolicyLockoutSafetyCheck;
-  }
-  if (input.KeyId !== undefined) {
-    bodyParams["KeyId"] = input.KeyId;
-  }
-  if (input.Policy !== undefined) {
-    bodyParams["Policy"] = input.Policy;
-  }
-  if (input.PolicyName !== undefined) {
-    bodyParams["PolicyName"] = input.PolicyName;
-  }
-  return bodyParams;
+  return {
+    ...(input.BypassPolicyLockoutSafetyCheck !== undefined && {
+      BypassPolicyLockoutSafetyCheck: input.BypassPolicyLockoutSafetyCheck
+    }),
+    ...(input.KeyId !== undefined && { KeyId: input.KeyId }),
+    ...(input.Policy !== undefined && { Policy: input.Policy }),
+    ...(input.PolicyName !== undefined && { PolicyName: input.PolicyName })
+  };
 };
 
 const serializeAws_json1_1ReEncryptRequest = (
   input: ReEncryptRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CiphertextBlob !== undefined) {
-    bodyParams["CiphertextBlob"] = context.base64Encoder(input.CiphertextBlob);
-  }
-  if (input.DestinationEncryptionAlgorithm !== undefined) {
-    bodyParams["DestinationEncryptionAlgorithm"] =
-      input.DestinationEncryptionAlgorithm;
-  }
-  if (input.DestinationEncryptionContext !== undefined) {
-    bodyParams[
-      "DestinationEncryptionContext"
-    ] = serializeAws_json1_1EncryptionContextType(
-      input.DestinationEncryptionContext,
-      context
-    );
-  }
-  if (input.DestinationKeyId !== undefined) {
-    bodyParams["DestinationKeyId"] = input.DestinationKeyId;
-  }
-  if (input.GrantTokens !== undefined) {
-    bodyParams["GrantTokens"] = serializeAws_json1_1GrantTokenList(
-      input.GrantTokens,
-      context
-    );
-  }
-  if (input.SourceEncryptionAlgorithm !== undefined) {
-    bodyParams["SourceEncryptionAlgorithm"] = input.SourceEncryptionAlgorithm;
-  }
-  if (input.SourceEncryptionContext !== undefined) {
-    bodyParams[
-      "SourceEncryptionContext"
-    ] = serializeAws_json1_1EncryptionContextType(
-      input.SourceEncryptionContext,
-      context
-    );
-  }
-  if (input.SourceKeyId !== undefined) {
-    bodyParams["SourceKeyId"] = input.SourceKeyId;
-  }
-  return bodyParams;
+  return {
+    ...(input.CiphertextBlob !== undefined && {
+      CiphertextBlob: context.base64Encoder(input.CiphertextBlob)
+    }),
+    ...(input.DestinationEncryptionAlgorithm !== undefined && {
+      DestinationEncryptionAlgorithm: input.DestinationEncryptionAlgorithm
+    }),
+    ...(input.DestinationEncryptionContext !== undefined && {
+      DestinationEncryptionContext: serializeAws_json1_1EncryptionContextType(
+        input.DestinationEncryptionContext,
+        context
+      )
+    }),
+    ...(input.DestinationKeyId !== undefined && {
+      DestinationKeyId: input.DestinationKeyId
+    }),
+    ...(input.GrantTokens !== undefined && {
+      GrantTokens: serializeAws_json1_1GrantTokenList(
+        input.GrantTokens,
+        context
+      )
+    }),
+    ...(input.SourceEncryptionAlgorithm !== undefined && {
+      SourceEncryptionAlgorithm: input.SourceEncryptionAlgorithm
+    }),
+    ...(input.SourceEncryptionContext !== undefined && {
+      SourceEncryptionContext: serializeAws_json1_1EncryptionContextType(
+        input.SourceEncryptionContext,
+        context
+      )
+    }),
+    ...(input.SourceKeyId !== undefined && { SourceKeyId: input.SourceKeyId })
+  };
 };
 
 const serializeAws_json1_1RetireGrantRequest = (
   input: RetireGrantRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.GrantId !== undefined) {
-    bodyParams["GrantId"] = input.GrantId;
-  }
-  if (input.GrantToken !== undefined) {
-    bodyParams["GrantToken"] = input.GrantToken;
-  }
-  if (input.KeyId !== undefined) {
-    bodyParams["KeyId"] = input.KeyId;
-  }
-  return bodyParams;
+  return {
+    ...(input.GrantId !== undefined && { GrantId: input.GrantId }),
+    ...(input.GrantToken !== undefined && { GrantToken: input.GrantToken }),
+    ...(input.KeyId !== undefined && { KeyId: input.KeyId })
+  };
 };
 
 const serializeAws_json1_1RevokeGrantRequest = (
   input: RevokeGrantRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.GrantId !== undefined) {
-    bodyParams["GrantId"] = input.GrantId;
-  }
-  if (input.KeyId !== undefined) {
-    bodyParams["KeyId"] = input.KeyId;
-  }
-  return bodyParams;
+  return {
+    ...(input.GrantId !== undefined && { GrantId: input.GrantId }),
+    ...(input.KeyId !== undefined && { KeyId: input.KeyId })
+  };
 };
 
 const serializeAws_json1_1ScheduleKeyDeletionRequest = (
   input: ScheduleKeyDeletionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.KeyId !== undefined) {
-    bodyParams["KeyId"] = input.KeyId;
-  }
-  if (input.PendingWindowInDays !== undefined) {
-    bodyParams["PendingWindowInDays"] = input.PendingWindowInDays;
-  }
-  return bodyParams;
+  return {
+    ...(input.KeyId !== undefined && { KeyId: input.KeyId }),
+    ...(input.PendingWindowInDays !== undefined && {
+      PendingWindowInDays: input.PendingWindowInDays
+    })
+  };
 };
 
 const serializeAws_json1_1SignRequest = (
   input: SignRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.GrantTokens !== undefined) {
-    bodyParams["GrantTokens"] = serializeAws_json1_1GrantTokenList(
-      input.GrantTokens,
-      context
-    );
-  }
-  if (input.KeyId !== undefined) {
-    bodyParams["KeyId"] = input.KeyId;
-  }
-  if (input.Message !== undefined) {
-    bodyParams["Message"] = context.base64Encoder(input.Message);
-  }
-  if (input.MessageType !== undefined) {
-    bodyParams["MessageType"] = input.MessageType;
-  }
-  if (input.SigningAlgorithm !== undefined) {
-    bodyParams["SigningAlgorithm"] = input.SigningAlgorithm;
-  }
-  return bodyParams;
+  return {
+    ...(input.GrantTokens !== undefined && {
+      GrantTokens: serializeAws_json1_1GrantTokenList(
+        input.GrantTokens,
+        context
+      )
+    }),
+    ...(input.KeyId !== undefined && { KeyId: input.KeyId }),
+    ...(input.Message !== undefined && {
+      Message: context.base64Encoder(input.Message)
+    }),
+    ...(input.MessageType !== undefined && { MessageType: input.MessageType }),
+    ...(input.SigningAlgorithm !== undefined && {
+      SigningAlgorithm: input.SigningAlgorithm
+    })
+  };
 };
 
 const serializeAws_json1_1Tag = (input: Tag, context: __SerdeContext): any => {
-  const bodyParams: any = {};
-  if (input.TagKey !== undefined) {
-    bodyParams["TagKey"] = input.TagKey;
-  }
-  if (input.TagValue !== undefined) {
-    bodyParams["TagValue"] = input.TagValue;
-  }
-  return bodyParams;
+  return {
+    ...(input.TagKey !== undefined && { TagKey: input.TagKey }),
+    ...(input.TagValue !== undefined && { TagValue: input.TagValue })
+  };
 };
 
 const serializeAws_json1_1TagKeyList = (
@@ -7843,108 +7702,89 @@ const serializeAws_json1_1TagResourceRequest = (
   input: TagResourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.KeyId !== undefined) {
-    bodyParams["KeyId"] = input.KeyId;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagList(input.Tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.KeyId !== undefined && { KeyId: input.KeyId }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagList(input.Tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1UntagResourceRequest = (
   input: UntagResourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.KeyId !== undefined) {
-    bodyParams["KeyId"] = input.KeyId;
-  }
-  if (input.TagKeys !== undefined) {
-    bodyParams["TagKeys"] = serializeAws_json1_1TagKeyList(
-      input.TagKeys,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.KeyId !== undefined && { KeyId: input.KeyId }),
+    ...(input.TagKeys !== undefined && {
+      TagKeys: serializeAws_json1_1TagKeyList(input.TagKeys, context)
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateAliasRequest = (
   input: UpdateAliasRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AliasName !== undefined) {
-    bodyParams["AliasName"] = input.AliasName;
-  }
-  if (input.TargetKeyId !== undefined) {
-    bodyParams["TargetKeyId"] = input.TargetKeyId;
-  }
-  return bodyParams;
+  return {
+    ...(input.AliasName !== undefined && { AliasName: input.AliasName }),
+    ...(input.TargetKeyId !== undefined && { TargetKeyId: input.TargetKeyId })
+  };
 };
 
 const serializeAws_json1_1UpdateCustomKeyStoreRequest = (
   input: UpdateCustomKeyStoreRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CloudHsmClusterId !== undefined) {
-    bodyParams["CloudHsmClusterId"] = input.CloudHsmClusterId;
-  }
-  if (input.CustomKeyStoreId !== undefined) {
-    bodyParams["CustomKeyStoreId"] = input.CustomKeyStoreId;
-  }
-  if (input.KeyStorePassword !== undefined) {
-    bodyParams["KeyStorePassword"] = input.KeyStorePassword;
-  }
-  if (input.NewCustomKeyStoreName !== undefined) {
-    bodyParams["NewCustomKeyStoreName"] = input.NewCustomKeyStoreName;
-  }
-  return bodyParams;
+  return {
+    ...(input.CloudHsmClusterId !== undefined && {
+      CloudHsmClusterId: input.CloudHsmClusterId
+    }),
+    ...(input.CustomKeyStoreId !== undefined && {
+      CustomKeyStoreId: input.CustomKeyStoreId
+    }),
+    ...(input.KeyStorePassword !== undefined && {
+      KeyStorePassword: input.KeyStorePassword
+    }),
+    ...(input.NewCustomKeyStoreName !== undefined && {
+      NewCustomKeyStoreName: input.NewCustomKeyStoreName
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateKeyDescriptionRequest = (
   input: UpdateKeyDescriptionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.KeyId !== undefined) {
-    bodyParams["KeyId"] = input.KeyId;
-  }
-  return bodyParams;
+  return {
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.KeyId !== undefined && { KeyId: input.KeyId })
+  };
 };
 
 const serializeAws_json1_1VerifyRequest = (
   input: VerifyRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.GrantTokens !== undefined) {
-    bodyParams["GrantTokens"] = serializeAws_json1_1GrantTokenList(
-      input.GrantTokens,
-      context
-    );
-  }
-  if (input.KeyId !== undefined) {
-    bodyParams["KeyId"] = input.KeyId;
-  }
-  if (input.Message !== undefined) {
-    bodyParams["Message"] = context.base64Encoder(input.Message);
-  }
-  if (input.MessageType !== undefined) {
-    bodyParams["MessageType"] = input.MessageType;
-  }
-  if (input.Signature !== undefined) {
-    bodyParams["Signature"] = context.base64Encoder(input.Signature);
-  }
-  if (input.SigningAlgorithm !== undefined) {
-    bodyParams["SigningAlgorithm"] = input.SigningAlgorithm;
-  }
-  return bodyParams;
+  return {
+    ...(input.GrantTokens !== undefined && {
+      GrantTokens: serializeAws_json1_1GrantTokenList(
+        input.GrantTokens,
+        context
+      )
+    }),
+    ...(input.KeyId !== undefined && { KeyId: input.KeyId }),
+    ...(input.Message !== undefined && {
+      Message: context.base64Encoder(input.Message)
+    }),
+    ...(input.MessageType !== undefined && { MessageType: input.MessageType }),
+    ...(input.Signature !== undefined && {
+      Signature: context.base64Encoder(input.Signature)
+    }),
+    ...(input.SigningAlgorithm !== undefined && {
+      SigningAlgorithm: input.SigningAlgorithm
+    })
+  };
 };
 
 const deserializeAws_json1_1AliasList = (
diff --git a/clients/client-lakeformation/protocols/Aws_json1_1.ts b/clients/client-lakeformation/protocols/Aws_json1_1.ts
index b644675311a2..579250e5dc23 100644
--- a/clients/client-lakeformation/protocols/Aws_json1_1.ts
+++ b/clients/client-lakeformation/protocols/Aws_json1_1.ts
@@ -1533,56 +1533,42 @@ const serializeAws_json1_1BatchGrantPermissionsRequest = (
   input: BatchGrantPermissionsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CatalogId !== undefined) {
-    bodyParams["CatalogId"] = input.CatalogId;
-  }
-  if (input.Entries !== undefined) {
-    bodyParams[
-      "Entries"
-    ] = serializeAws_json1_1BatchPermissionsRequestEntryList(
-      input.Entries,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.CatalogId !== undefined && { CatalogId: input.CatalogId }),
+    ...(input.Entries !== undefined && {
+      Entries: serializeAws_json1_1BatchPermissionsRequestEntryList(
+        input.Entries,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1BatchPermissionsRequestEntry = (
   input: BatchPermissionsRequestEntry,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Id !== undefined) {
-    bodyParams["Id"] = input.Id;
-  }
-  if (input.Permissions !== undefined) {
-    bodyParams["Permissions"] = serializeAws_json1_1PermissionList(
-      input.Permissions,
-      context
-    );
-  }
-  if (input.PermissionsWithGrantOption !== undefined) {
-    bodyParams[
-      "PermissionsWithGrantOption"
-    ] = serializeAws_json1_1PermissionList(
-      input.PermissionsWithGrantOption,
-      context
-    );
-  }
-  if (input.Principal !== undefined) {
-    bodyParams["Principal"] = serializeAws_json1_1DataLakePrincipal(
-      input.Principal,
-      context
-    );
-  }
-  if (input.Resource !== undefined) {
-    bodyParams["Resource"] = serializeAws_json1_1Resource(
-      input.Resource,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Id !== undefined && { Id: input.Id }),
+    ...(input.Permissions !== undefined && {
+      Permissions: serializeAws_json1_1PermissionList(
+        input.Permissions,
+        context
+      )
+    }),
+    ...(input.PermissionsWithGrantOption !== undefined && {
+      PermissionsWithGrantOption: serializeAws_json1_1PermissionList(
+        input.PermissionsWithGrantOption,
+        context
+      )
+    }),
+    ...(input.Principal !== undefined && {
+      Principal: serializeAws_json1_1DataLakePrincipal(input.Principal, context)
+    }),
+    ...(input.Resource !== undefined && {
+      Resource: serializeAws_json1_1Resource(input.Resource, context)
+    })
+  };
 };
 
 const serializeAws_json1_1BatchPermissionsRequestEntryList = (
@@ -1598,27 +1584,22 @@ const serializeAws_json1_1BatchRevokePermissionsRequest = (
   input: BatchRevokePermissionsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CatalogId !== undefined) {
-    bodyParams["CatalogId"] = input.CatalogId;
-  }
-  if (input.Entries !== undefined) {
-    bodyParams[
-      "Entries"
-    ] = serializeAws_json1_1BatchPermissionsRequestEntryList(
-      input.Entries,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.CatalogId !== undefined && { CatalogId: input.CatalogId }),
+    ...(input.Entries !== undefined && {
+      Entries: serializeAws_json1_1BatchPermissionsRequestEntryList(
+        input.Entries,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1CatalogResource = (
   input: CatalogResource,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  return bodyParams;
+  return {};
 };
 
 const serializeAws_json1_1ColumnNames = (
@@ -1632,26 +1613,25 @@ const serializeAws_json1_1ColumnWildcard = (
   input: ColumnWildcard,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ExcludedColumnNames !== undefined) {
-    bodyParams["ExcludedColumnNames"] = serializeAws_json1_1ColumnNames(
-      input.ExcludedColumnNames,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ExcludedColumnNames !== undefined && {
+      ExcludedColumnNames: serializeAws_json1_1ColumnNames(
+        input.ExcludedColumnNames,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1DataLakePrincipal = (
   input: DataLakePrincipal,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DataLakePrincipalIdentifier !== undefined) {
-    bodyParams["DataLakePrincipalIdentifier"] =
-      input.DataLakePrincipalIdentifier;
-  }
-  return bodyParams;
+  return {
+    ...(input.DataLakePrincipalIdentifier !== undefined && {
+      DataLakePrincipalIdentifier: input.DataLakePrincipalIdentifier
+    })
+  };
 };
 
 const serializeAws_json1_1DataLakePrincipalList = (
@@ -1667,194 +1647,146 @@ const serializeAws_json1_1DataLakeSettings = (
   input: DataLakeSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CreateDatabaseDefaultPermissions !== undefined) {
-    bodyParams[
-      "CreateDatabaseDefaultPermissions"
-    ] = serializeAws_json1_1PrincipalPermissionsList(
-      input.CreateDatabaseDefaultPermissions,
-      context
-    );
-  }
-  if (input.CreateTableDefaultPermissions !== undefined) {
-    bodyParams[
-      "CreateTableDefaultPermissions"
-    ] = serializeAws_json1_1PrincipalPermissionsList(
-      input.CreateTableDefaultPermissions,
-      context
-    );
-  }
-  if (input.DataLakeAdmins !== undefined) {
-    bodyParams["DataLakeAdmins"] = serializeAws_json1_1DataLakePrincipalList(
-      input.DataLakeAdmins,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.CreateDatabaseDefaultPermissions !== undefined && {
+      CreateDatabaseDefaultPermissions: serializeAws_json1_1PrincipalPermissionsList(
+        input.CreateDatabaseDefaultPermissions,
+        context
+      )
+    }),
+    ...(input.CreateTableDefaultPermissions !== undefined && {
+      CreateTableDefaultPermissions: serializeAws_json1_1PrincipalPermissionsList(
+        input.CreateTableDefaultPermissions,
+        context
+      )
+    }),
+    ...(input.DataLakeAdmins !== undefined && {
+      DataLakeAdmins: serializeAws_json1_1DataLakePrincipalList(
+        input.DataLakeAdmins,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1DataLocationResource = (
   input: DataLocationResource,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceArn !== undefined) {
-    bodyParams["ResourceArn"] = input.ResourceArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceArn !== undefined && { ResourceArn: input.ResourceArn })
+  };
 };
 
 const serializeAws_json1_1DatabaseResource = (
   input: DatabaseResource,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1DeregisterResourceRequest = (
   input: DeregisterResourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceArn !== undefined) {
-    bodyParams["ResourceArn"] = input.ResourceArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceArn !== undefined && { ResourceArn: input.ResourceArn })
+  };
 };
 
 const serializeAws_json1_1DescribeResourceRequest = (
   input: DescribeResourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceArn !== undefined) {
-    bodyParams["ResourceArn"] = input.ResourceArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceArn !== undefined && { ResourceArn: input.ResourceArn })
+  };
 };
 
 const serializeAws_json1_1GetDataLakeSettingsRequest = (
   input: GetDataLakeSettingsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CatalogId !== undefined) {
-    bodyParams["CatalogId"] = input.CatalogId;
-  }
-  return bodyParams;
+  return {
+    ...(input.CatalogId !== undefined && { CatalogId: input.CatalogId })
+  };
 };
 
 const serializeAws_json1_1GetEffectivePermissionsForPathRequest = (
   input: GetEffectivePermissionsForPathRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CatalogId !== undefined) {
-    bodyParams["CatalogId"] = input.CatalogId;
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.ResourceArn !== undefined) {
-    bodyParams["ResourceArn"] = input.ResourceArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.CatalogId !== undefined && { CatalogId: input.CatalogId }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.ResourceArn !== undefined && { ResourceArn: input.ResourceArn })
+  };
 };
 
 const serializeAws_json1_1GrantPermissionsRequest = (
   input: GrantPermissionsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CatalogId !== undefined) {
-    bodyParams["CatalogId"] = input.CatalogId;
-  }
-  if (input.Permissions !== undefined) {
-    bodyParams["Permissions"] = serializeAws_json1_1PermissionList(
-      input.Permissions,
-      context
-    );
-  }
-  if (input.PermissionsWithGrantOption !== undefined) {
-    bodyParams[
-      "PermissionsWithGrantOption"
-    ] = serializeAws_json1_1PermissionList(
-      input.PermissionsWithGrantOption,
-      context
-    );
-  }
-  if (input.Principal !== undefined) {
-    bodyParams["Principal"] = serializeAws_json1_1DataLakePrincipal(
-      input.Principal,
-      context
-    );
-  }
-  if (input.Resource !== undefined) {
-    bodyParams["Resource"] = serializeAws_json1_1Resource(
-      input.Resource,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.CatalogId !== undefined && { CatalogId: input.CatalogId }),
+    ...(input.Permissions !== undefined && {
+      Permissions: serializeAws_json1_1PermissionList(
+        input.Permissions,
+        context
+      )
+    }),
+    ...(input.PermissionsWithGrantOption !== undefined && {
+      PermissionsWithGrantOption: serializeAws_json1_1PermissionList(
+        input.PermissionsWithGrantOption,
+        context
+      )
+    }),
+    ...(input.Principal !== undefined && {
+      Principal: serializeAws_json1_1DataLakePrincipal(input.Principal, context)
+    }),
+    ...(input.Resource !== undefined && {
+      Resource: serializeAws_json1_1Resource(input.Resource, context)
+    })
+  };
 };
 
 const serializeAws_json1_1ListPermissionsRequest = (
   input: ListPermissionsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CatalogId !== undefined) {
-    bodyParams["CatalogId"] = input.CatalogId;
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.Principal !== undefined) {
-    bodyParams["Principal"] = serializeAws_json1_1DataLakePrincipal(
-      input.Principal,
-      context
-    );
-  }
-  if (input.Resource !== undefined) {
-    bodyParams["Resource"] = serializeAws_json1_1Resource(
-      input.Resource,
-      context
-    );
-  }
-  if (input.ResourceType !== undefined) {
-    bodyParams["ResourceType"] = input.ResourceType;
-  }
-  return bodyParams;
+  return {
+    ...(input.CatalogId !== undefined && { CatalogId: input.CatalogId }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.Principal !== undefined && {
+      Principal: serializeAws_json1_1DataLakePrincipal(input.Principal, context)
+    }),
+    ...(input.Resource !== undefined && {
+      Resource: serializeAws_json1_1Resource(input.Resource, context)
+    }),
+    ...(input.ResourceType !== undefined && {
+      ResourceType: input.ResourceType
+    })
+  };
 };
 
 const serializeAws_json1_1ListResourcesRequest = (
   input: ListResourcesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.FilterConditionList !== undefined) {
-    bodyParams["FilterConditionList"] = serializeAws_json1_1FilterConditionList(
-      input.FilterConditionList,
-      context
-    );
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.FilterConditionList !== undefined && {
+      FilterConditionList: serializeAws_json1_1FilterConditionList(
+        input.FilterConditionList,
+        context
+      )
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1PermissionList = (
@@ -1868,20 +1800,17 @@ const serializeAws_json1_1PrincipalPermissions = (
   input: PrincipalPermissions,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Permissions !== undefined) {
-    bodyParams["Permissions"] = serializeAws_json1_1PermissionList(
-      input.Permissions,
-      context
-    );
-  }
-  if (input.Principal !== undefined) {
-    bodyParams["Principal"] = serializeAws_json1_1DataLakePrincipal(
-      input.Principal,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Permissions !== undefined && {
+      Permissions: serializeAws_json1_1PermissionList(
+        input.Permissions,
+        context
+      )
+    }),
+    ...(input.Principal !== undefined && {
+      Principal: serializeAws_json1_1DataLakePrincipal(input.Principal, context)
+    })
+  };
 };
 
 const serializeAws_json1_1PrincipalPermissionsList = (
@@ -1897,185 +1826,145 @@ const serializeAws_json1_1PutDataLakeSettingsRequest = (
   input: PutDataLakeSettingsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CatalogId !== undefined) {
-    bodyParams["CatalogId"] = input.CatalogId;
-  }
-  if (input.DataLakeSettings !== undefined) {
-    bodyParams["DataLakeSettings"] = serializeAws_json1_1DataLakeSettings(
-      input.DataLakeSettings,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.CatalogId !== undefined && { CatalogId: input.CatalogId }),
+    ...(input.DataLakeSettings !== undefined && {
+      DataLakeSettings: serializeAws_json1_1DataLakeSettings(
+        input.DataLakeSettings,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1RegisterResourceRequest = (
   input: RegisterResourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceArn !== undefined) {
-    bodyParams["ResourceArn"] = input.ResourceArn;
-  }
-  if (input.RoleArn !== undefined) {
-    bodyParams["RoleArn"] = input.RoleArn;
-  }
-  if (input.UseServiceLinkedRole !== undefined) {
-    bodyParams["UseServiceLinkedRole"] = input.UseServiceLinkedRole;
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceArn !== undefined && { ResourceArn: input.ResourceArn }),
+    ...(input.RoleArn !== undefined && { RoleArn: input.RoleArn }),
+    ...(input.UseServiceLinkedRole !== undefined && {
+      UseServiceLinkedRole: input.UseServiceLinkedRole
+    })
+  };
 };
 
 const serializeAws_json1_1Resource = (
   input: Resource,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Catalog !== undefined) {
-    bodyParams["Catalog"] = serializeAws_json1_1CatalogResource(
-      input.Catalog,
-      context
-    );
-  }
-  if (input.DataLocation !== undefined) {
-    bodyParams["DataLocation"] = serializeAws_json1_1DataLocationResource(
-      input.DataLocation,
-      context
-    );
-  }
-  if (input.Database !== undefined) {
-    bodyParams["Database"] = serializeAws_json1_1DatabaseResource(
-      input.Database,
-      context
-    );
-  }
-  if (input.Table !== undefined) {
-    bodyParams["Table"] = serializeAws_json1_1TableResource(
-      input.Table,
-      context
-    );
-  }
-  if (input.TableWithColumns !== undefined) {
-    bodyParams[
-      "TableWithColumns"
-    ] = serializeAws_json1_1TableWithColumnsResource(
-      input.TableWithColumns,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Catalog !== undefined && {
+      Catalog: serializeAws_json1_1CatalogResource(input.Catalog, context)
+    }),
+    ...(input.DataLocation !== undefined && {
+      DataLocation: serializeAws_json1_1DataLocationResource(
+        input.DataLocation,
+        context
+      )
+    }),
+    ...(input.Database !== undefined && {
+      Database: serializeAws_json1_1DatabaseResource(input.Database, context)
+    }),
+    ...(input.Table !== undefined && {
+      Table: serializeAws_json1_1TableResource(input.Table, context)
+    }),
+    ...(input.TableWithColumns !== undefined && {
+      TableWithColumns: serializeAws_json1_1TableWithColumnsResource(
+        input.TableWithColumns,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1RevokePermissionsRequest = (
   input: RevokePermissionsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CatalogId !== undefined) {
-    bodyParams["CatalogId"] = input.CatalogId;
-  }
-  if (input.Permissions !== undefined) {
-    bodyParams["Permissions"] = serializeAws_json1_1PermissionList(
-      input.Permissions,
-      context
-    );
-  }
-  if (input.PermissionsWithGrantOption !== undefined) {
-    bodyParams[
-      "PermissionsWithGrantOption"
-    ] = serializeAws_json1_1PermissionList(
-      input.PermissionsWithGrantOption,
-      context
-    );
-  }
-  if (input.Principal !== undefined) {
-    bodyParams["Principal"] = serializeAws_json1_1DataLakePrincipal(
-      input.Principal,
-      context
-    );
-  }
-  if (input.Resource !== undefined) {
-    bodyParams["Resource"] = serializeAws_json1_1Resource(
-      input.Resource,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.CatalogId !== undefined && { CatalogId: input.CatalogId }),
+    ...(input.Permissions !== undefined && {
+      Permissions: serializeAws_json1_1PermissionList(
+        input.Permissions,
+        context
+      )
+    }),
+    ...(input.PermissionsWithGrantOption !== undefined && {
+      PermissionsWithGrantOption: serializeAws_json1_1PermissionList(
+        input.PermissionsWithGrantOption,
+        context
+      )
+    }),
+    ...(input.Principal !== undefined && {
+      Principal: serializeAws_json1_1DataLakePrincipal(input.Principal, context)
+    }),
+    ...(input.Resource !== undefined && {
+      Resource: serializeAws_json1_1Resource(input.Resource, context)
+    })
+  };
 };
 
 const serializeAws_json1_1TableResource = (
   input: TableResource,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DatabaseName !== undefined) {
-    bodyParams["DatabaseName"] = input.DatabaseName;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.DatabaseName !== undefined && {
+      DatabaseName: input.DatabaseName
+    }),
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1TableWithColumnsResource = (
   input: TableWithColumnsResource,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ColumnNames !== undefined) {
-    bodyParams["ColumnNames"] = serializeAws_json1_1ColumnNames(
-      input.ColumnNames,
-      context
-    );
-  }
-  if (input.ColumnWildcard !== undefined) {
-    bodyParams["ColumnWildcard"] = serializeAws_json1_1ColumnWildcard(
-      input.ColumnWildcard,
-      context
-    );
-  }
-  if (input.DatabaseName !== undefined) {
-    bodyParams["DatabaseName"] = input.DatabaseName;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.ColumnNames !== undefined && {
+      ColumnNames: serializeAws_json1_1ColumnNames(input.ColumnNames, context)
+    }),
+    ...(input.ColumnWildcard !== undefined && {
+      ColumnWildcard: serializeAws_json1_1ColumnWildcard(
+        input.ColumnWildcard,
+        context
+      )
+    }),
+    ...(input.DatabaseName !== undefined && {
+      DatabaseName: input.DatabaseName
+    }),
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1UpdateResourceRequest = (
   input: UpdateResourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceArn !== undefined) {
-    bodyParams["ResourceArn"] = input.ResourceArn;
-  }
-  if (input.RoleArn !== undefined) {
-    bodyParams["RoleArn"] = input.RoleArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceArn !== undefined && { ResourceArn: input.ResourceArn }),
+    ...(input.RoleArn !== undefined && { RoleArn: input.RoleArn })
+  };
 };
 
 const serializeAws_json1_1FilterCondition = (
   input: FilterCondition,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ComparisonOperator !== undefined) {
-    bodyParams["ComparisonOperator"] = input.ComparisonOperator;
-  }
-  if (input.Field !== undefined) {
-    bodyParams["Field"] = input.Field;
-  }
-  if (input.StringValueList !== undefined) {
-    bodyParams["StringValueList"] = serializeAws_json1_1StringValueList(
-      input.StringValueList,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ComparisonOperator !== undefined && {
+      ComparisonOperator: input.ComparisonOperator
+    }),
+    ...(input.Field !== undefined && { Field: input.Field }),
+    ...(input.StringValueList !== undefined && {
+      StringValueList: serializeAws_json1_1StringValueList(
+        input.StringValueList,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1FilterConditionList = (
diff --git a/clients/client-lambda/protocols/Aws_restJson1_1.ts b/clients/client-lambda/protocols/Aws_restJson1_1.ts
index baa700ec1ced..4d6b57f8cc30 100644
--- a/clients/client-lambda/protocols/Aws_restJson1_1.ts
+++ b/clients/client-lambda/protocols/Aws_restJson1_1.ts
@@ -9553,16 +9553,14 @@ const serializeAws_restJson1_1AliasRoutingConfiguration = (
   input: AliasRoutingConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AdditionalVersionWeights !== undefined) {
-    bodyParams[
-      "AdditionalVersionWeights"
-    ] = serializeAws_restJson1_1AdditionalVersionWeights(
-      input.AdditionalVersionWeights,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.AdditionalVersionWeights !== undefined && {
+      AdditionalVersionWeights: serializeAws_restJson1_1AdditionalVersionWeights(
+        input.AdditionalVersionWeights,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1CompatibleRuntimes = (
@@ -9576,45 +9574,37 @@ const serializeAws_restJson1_1DeadLetterConfig = (
   input: DeadLetterConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.TargetArn !== undefined) {
-    bodyParams["TargetArn"] = input.TargetArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.TargetArn !== undefined && { TargetArn: input.TargetArn })
+  };
 };
 
 const serializeAws_restJson1_1DestinationConfig = (
   input: DestinationConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.OnFailure !== undefined) {
-    bodyParams["OnFailure"] = serializeAws_restJson1_1OnFailure(
-      input.OnFailure,
-      context
-    );
-  }
-  if (input.OnSuccess !== undefined) {
-    bodyParams["OnSuccess"] = serializeAws_restJson1_1OnSuccess(
-      input.OnSuccess,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.OnFailure !== undefined && {
+      OnFailure: serializeAws_restJson1_1OnFailure(input.OnFailure, context)
+    }),
+    ...(input.OnSuccess !== undefined && {
+      OnSuccess: serializeAws_restJson1_1OnSuccess(input.OnSuccess, context)
+    })
+  };
 };
 
 const serializeAws_restJson1_1Environment = (
   input: Environment,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Variables !== undefined) {
-    bodyParams["Variables"] = serializeAws_restJson1_1EnvironmentVariables(
-      input.Variables,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Variables !== undefined && {
+      Variables: serializeAws_restJson1_1EnvironmentVariables(
+        input.Variables,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1EnvironmentVariables = (
@@ -9631,20 +9621,16 @@ const serializeAws_restJson1_1FunctionCode = (
   input: FunctionCode,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.S3Bucket !== undefined) {
-    bodyParams["S3Bucket"] = input.S3Bucket;
-  }
-  if (input.S3Key !== undefined) {
-    bodyParams["S3Key"] = input.S3Key;
-  }
-  if (input.S3ObjectVersion !== undefined) {
-    bodyParams["S3ObjectVersion"] = input.S3ObjectVersion;
-  }
-  if (input.ZipFile !== undefined) {
-    bodyParams["ZipFile"] = context.base64Encoder(input.ZipFile);
-  }
-  return bodyParams;
+  return {
+    ...(input.S3Bucket !== undefined && { S3Bucket: input.S3Bucket }),
+    ...(input.S3Key !== undefined && { S3Key: input.S3Key }),
+    ...(input.S3ObjectVersion !== undefined && {
+      S3ObjectVersion: input.S3ObjectVersion
+    }),
+    ...(input.ZipFile !== undefined && {
+      ZipFile: context.base64Encoder(input.ZipFile)
+    })
+  };
 };
 
 const serializeAws_restJson1_1LayerList = (
@@ -9658,42 +9644,34 @@ const serializeAws_restJson1_1LayerVersionContentInput = (
   input: LayerVersionContentInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.S3Bucket !== undefined) {
-    bodyParams["S3Bucket"] = input.S3Bucket;
-  }
-  if (input.S3Key !== undefined) {
-    bodyParams["S3Key"] = input.S3Key;
-  }
-  if (input.S3ObjectVersion !== undefined) {
-    bodyParams["S3ObjectVersion"] = input.S3ObjectVersion;
-  }
-  if (input.ZipFile !== undefined) {
-    bodyParams["ZipFile"] = context.base64Encoder(input.ZipFile);
-  }
-  return bodyParams;
+  return {
+    ...(input.S3Bucket !== undefined && { S3Bucket: input.S3Bucket }),
+    ...(input.S3Key !== undefined && { S3Key: input.S3Key }),
+    ...(input.S3ObjectVersion !== undefined && {
+      S3ObjectVersion: input.S3ObjectVersion
+    }),
+    ...(input.ZipFile !== undefined && {
+      ZipFile: context.base64Encoder(input.ZipFile)
+    })
+  };
 };
 
 const serializeAws_restJson1_1OnFailure = (
   input: OnFailure,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Destination !== undefined) {
-    bodyParams["Destination"] = input.Destination;
-  }
-  return bodyParams;
+  return {
+    ...(input.Destination !== undefined && { Destination: input.Destination })
+  };
 };
 
 const serializeAws_restJson1_1OnSuccess = (
   input: OnSuccess,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Destination !== undefined) {
-    bodyParams["Destination"] = input.Destination;
-  }
-  return bodyParams;
+  return {
+    ...(input.Destination !== undefined && { Destination: input.Destination })
+  };
 };
 
 const serializeAws_restJson1_1SecurityGroupIds = (
@@ -9724,31 +9702,26 @@ const serializeAws_restJson1_1TracingConfig = (
   input: TracingConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Mode !== undefined) {
-    bodyParams["Mode"] = input.Mode;
-  }
-  return bodyParams;
+  return {
+    ...(input.Mode !== undefined && { Mode: input.Mode })
+  };
 };
 
 const serializeAws_restJson1_1VpcConfig = (
   input: VpcConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.SecurityGroupIds !== undefined) {
-    bodyParams["SecurityGroupIds"] = serializeAws_restJson1_1SecurityGroupIds(
-      input.SecurityGroupIds,
-      context
-    );
-  }
-  if (input.SubnetIds !== undefined) {
-    bodyParams["SubnetIds"] = serializeAws_restJson1_1SubnetIds(
-      input.SubnetIds,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.SecurityGroupIds !== undefined && {
+      SecurityGroupIds: serializeAws_restJson1_1SecurityGroupIds(
+        input.SecurityGroupIds,
+        context
+      )
+    }),
+    ...(input.SubnetIds !== undefined && {
+      SubnetIds: serializeAws_restJson1_1SubnetIds(input.SubnetIds, context)
+    })
+  };
 };
 
 const deserializeAws_restJson1_1AccountLimit = (
diff --git a/clients/client-lex-model-building-service/protocols/Aws_restJson1_1.ts b/clients/client-lex-model-building-service/protocols/Aws_restJson1_1.ts
index e6ba07277394..bbd94d3addc8 100644
--- a/clients/client-lex-model-building-service/protocols/Aws_restJson1_1.ts
+++ b/clients/client-lex-model-building-service/protocols/Aws_restJson1_1.ts
@@ -6331,48 +6331,39 @@ const serializeAws_restJson1_1CodeHook = (
   input: CodeHook,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.messageVersion !== undefined) {
-    bodyParams["messageVersion"] = input.messageVersion;
-  }
-  if (input.uri !== undefined) {
-    bodyParams["uri"] = input.uri;
-  }
-  return bodyParams;
+  return {
+    ...(input.messageVersion !== undefined && {
+      messageVersion: input.messageVersion
+    }),
+    ...(input.uri !== undefined && { uri: input.uri })
+  };
 };
 
 const serializeAws_restJson1_1ConversationLogsRequest = (
   input: ConversationLogsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.iamRoleArn !== undefined) {
-    bodyParams["iamRoleArn"] = input.iamRoleArn;
-  }
-  if (input.logSettings !== undefined) {
-    bodyParams["logSettings"] = serializeAws_restJson1_1LogSettingsRequestList(
-      input.logSettings,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.iamRoleArn !== undefined && { iamRoleArn: input.iamRoleArn }),
+    ...(input.logSettings !== undefined && {
+      logSettings: serializeAws_restJson1_1LogSettingsRequestList(
+        input.logSettings,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1EnumerationValue = (
   input: EnumerationValue,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.synonyms !== undefined) {
-    bodyParams["synonyms"] = serializeAws_restJson1_1SynonymList(
-      input.synonyms,
-      context
-    );
-  }
-  if (input.value !== undefined) {
-    bodyParams["value"] = input.value;
-  }
-  return bodyParams;
+  return {
+    ...(input.synonyms !== undefined && {
+      synonyms: serializeAws_restJson1_1SynonymList(input.synonyms, context)
+    }),
+    ...(input.value !== undefined && { value: input.value })
+  };
 };
 
 const serializeAws_restJson1_1EnumerationValues = (
@@ -6388,51 +6379,41 @@ const serializeAws_restJson1_1FollowUpPrompt = (
   input: FollowUpPrompt,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.prompt !== undefined) {
-    bodyParams["prompt"] = serializeAws_restJson1_1Prompt(
-      input.prompt,
-      context
-    );
-  }
-  if (input.rejectionStatement !== undefined) {
-    bodyParams["rejectionStatement"] = serializeAws_restJson1_1Statement(
-      input.rejectionStatement,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.prompt !== undefined && {
+      prompt: serializeAws_restJson1_1Prompt(input.prompt, context)
+    }),
+    ...(input.rejectionStatement !== undefined && {
+      rejectionStatement: serializeAws_restJson1_1Statement(
+        input.rejectionStatement,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1FulfillmentActivity = (
   input: FulfillmentActivity,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.codeHook !== undefined) {
-    bodyParams["codeHook"] = serializeAws_restJson1_1CodeHook(
-      input.codeHook,
-      context
-    );
-  }
-  if (input.type !== undefined) {
-    bodyParams["type"] = input.type;
-  }
-  return bodyParams;
+  return {
+    ...(input.codeHook !== undefined && {
+      codeHook: serializeAws_restJson1_1CodeHook(input.codeHook, context)
+    }),
+    ...(input.type !== undefined && { type: input.type })
+  };
 };
 
 const serializeAws_restJson1_1Intent = (
   input: Intent,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.intentName !== undefined) {
-    bodyParams["intentName"] = input.intentName;
-  }
-  if (input.intentVersion !== undefined) {
-    bodyParams["intentVersion"] = input.intentVersion;
-  }
-  return bodyParams;
+  return {
+    ...(input.intentName !== undefined && { intentName: input.intentName }),
+    ...(input.intentVersion !== undefined && {
+      intentVersion: input.intentVersion
+    })
+  };
 };
 
 const serializeAws_restJson1_1IntentList = (
@@ -6453,20 +6434,12 @@ const serializeAws_restJson1_1LogSettingsRequest = (
   input: LogSettingsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.destination !== undefined) {
-    bodyParams["destination"] = input.destination;
-  }
-  if (input.kmsKeyArn !== undefined) {
-    bodyParams["kmsKeyArn"] = input.kmsKeyArn;
-  }
-  if (input.logType !== undefined) {
-    bodyParams["logType"] = input.logType;
-  }
-  if (input.resourceArn !== undefined) {
-    bodyParams["resourceArn"] = input.resourceArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.destination !== undefined && { destination: input.destination }),
+    ...(input.kmsKeyArn !== undefined && { kmsKeyArn: input.kmsKeyArn }),
+    ...(input.logType !== undefined && { logType: input.logType }),
+    ...(input.resourceArn !== undefined && { resourceArn: input.resourceArn })
+  };
 };
 
 const serializeAws_restJson1_1LogSettingsRequestList = (
@@ -6482,17 +6455,11 @@ const serializeAws_restJson1_1Message = (
   input: Message,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.content !== undefined) {
-    bodyParams["content"] = input.content;
-  }
-  if (input.contentType !== undefined) {
-    bodyParams["contentType"] = input.contentType;
-  }
-  if (input.groupNumber !== undefined) {
-    bodyParams["groupNumber"] = input.groupNumber;
-  }
-  return bodyParams;
+  return {
+    ...(input.content !== undefined && { content: input.content }),
+    ...(input.contentType !== undefined && { contentType: input.contentType }),
+    ...(input.groupNumber !== undefined && { groupNumber: input.groupNumber })
+  };
 };
 
 const serializeAws_restJson1_1MessageList = (
@@ -6506,64 +6473,51 @@ const serializeAws_restJson1_1Prompt = (
   input: Prompt,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.maxAttempts !== undefined) {
-    bodyParams["maxAttempts"] = input.maxAttempts;
-  }
-  if (input.messages !== undefined) {
-    bodyParams["messages"] = serializeAws_restJson1_1MessageList(
-      input.messages,
-      context
-    );
-  }
-  if (input.responseCard !== undefined) {
-    bodyParams["responseCard"] = input.responseCard;
-  }
-  return bodyParams;
+  return {
+    ...(input.maxAttempts !== undefined && { maxAttempts: input.maxAttempts }),
+    ...(input.messages !== undefined && {
+      messages: serializeAws_restJson1_1MessageList(input.messages, context)
+    }),
+    ...(input.responseCard !== undefined && {
+      responseCard: input.responseCard
+    })
+  };
 };
 
 const serializeAws_restJson1_1Slot = (
   input: Slot,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.description !== undefined) {
-    bodyParams["description"] = input.description;
-  }
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  if (input.obfuscationSetting !== undefined) {
-    bodyParams["obfuscationSetting"] = input.obfuscationSetting;
-  }
-  if (input.priority !== undefined) {
-    bodyParams["priority"] = input.priority;
-  }
-  if (input.responseCard !== undefined) {
-    bodyParams["responseCard"] = input.responseCard;
-  }
-  if (input.sampleUtterances !== undefined) {
-    bodyParams["sampleUtterances"] = serializeAws_restJson1_1SlotUtteranceList(
-      input.sampleUtterances,
-      context
-    );
-  }
-  if (input.slotConstraint !== undefined) {
-    bodyParams["slotConstraint"] = input.slotConstraint;
-  }
-  if (input.slotType !== undefined) {
-    bodyParams["slotType"] = input.slotType;
-  }
-  if (input.slotTypeVersion !== undefined) {
-    bodyParams["slotTypeVersion"] = input.slotTypeVersion;
-  }
-  if (input.valueElicitationPrompt !== undefined) {
-    bodyParams["valueElicitationPrompt"] = serializeAws_restJson1_1Prompt(
-      input.valueElicitationPrompt,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.description !== undefined && { description: input.description }),
+    ...(input.name !== undefined && { name: input.name }),
+    ...(input.obfuscationSetting !== undefined && {
+      obfuscationSetting: input.obfuscationSetting
+    }),
+    ...(input.priority !== undefined && { priority: input.priority }),
+    ...(input.responseCard !== undefined && {
+      responseCard: input.responseCard
+    }),
+    ...(input.sampleUtterances !== undefined && {
+      sampleUtterances: serializeAws_restJson1_1SlotUtteranceList(
+        input.sampleUtterances,
+        context
+      )
+    }),
+    ...(input.slotConstraint !== undefined && {
+      slotConstraint: input.slotConstraint
+    }),
+    ...(input.slotType !== undefined && { slotType: input.slotType }),
+    ...(input.slotTypeVersion !== undefined && {
+      slotTypeVersion: input.slotTypeVersion
+    }),
+    ...(input.valueElicitationPrompt !== undefined && {
+      valueElicitationPrompt: serializeAws_restJson1_1Prompt(
+        input.valueElicitationPrompt,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1SlotList = (
@@ -6584,17 +6538,14 @@ const serializeAws_restJson1_1Statement = (
   input: Statement,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.messages !== undefined) {
-    bodyParams["messages"] = serializeAws_restJson1_1MessageList(
-      input.messages,
-      context
-    );
-  }
-  if (input.responseCard !== undefined) {
-    bodyParams["responseCard"] = input.responseCard;
-  }
-  return bodyParams;
+  return {
+    ...(input.messages !== undefined && {
+      messages: serializeAws_restJson1_1MessageList(input.messages, context)
+    }),
+    ...(input.responseCard !== undefined && {
+      responseCard: input.responseCard
+    })
+  };
 };
 
 const serializeAws_restJson1_1SynonymList = (
diff --git a/clients/client-lex-runtime-service/protocols/Aws_restJson1_1.ts b/clients/client-lex-runtime-service/protocols/Aws_restJson1_1.ts
index cf10d4f52b95..d04783d55d03 100644
--- a/clients/client-lex-runtime-service/protocols/Aws_restJson1_1.ts
+++ b/clients/client-lex-runtime-service/protocols/Aws_restJson1_1.ts
@@ -1394,64 +1394,50 @@ const serializeAws_restJson1_1DialogAction = (
   input: DialogAction,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.fulfillmentState !== undefined) {
-    bodyParams["fulfillmentState"] = input.fulfillmentState;
-  }
-  if (input.intentName !== undefined) {
-    bodyParams["intentName"] = input.intentName;
-  }
-  if (input.message !== undefined) {
-    bodyParams["message"] = input.message;
-  }
-  if (input.messageFormat !== undefined) {
-    bodyParams["messageFormat"] = input.messageFormat;
-  }
-  if (input.slotToElicit !== undefined) {
-    bodyParams["slotToElicit"] = input.slotToElicit;
-  }
-  if (input.slots !== undefined) {
-    bodyParams["slots"] = serializeAws_restJson1_1StringMap(
-      input.slots,
-      context
-    );
-  }
-  if (input.type !== undefined) {
-    bodyParams["type"] = input.type;
-  }
-  return bodyParams;
+  return {
+    ...(input.fulfillmentState !== undefined && {
+      fulfillmentState: input.fulfillmentState
+    }),
+    ...(input.intentName !== undefined && { intentName: input.intentName }),
+    ...(input.message !== undefined && { message: input.message }),
+    ...(input.messageFormat !== undefined && {
+      messageFormat: input.messageFormat
+    }),
+    ...(input.slotToElicit !== undefined && {
+      slotToElicit: input.slotToElicit
+    }),
+    ...(input.slots !== undefined && {
+      slots: serializeAws_restJson1_1StringMap(input.slots, context)
+    }),
+    ...(input.type !== undefined && { type: input.type })
+  };
 };
 
 const serializeAws_restJson1_1IntentSummary = (
   input: IntentSummary,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.checkpointLabel !== undefined) {
-    bodyParams["checkpointLabel"] = input.checkpointLabel;
-  }
-  if (input.confirmationStatus !== undefined) {
-    bodyParams["confirmationStatus"] = input.confirmationStatus;
-  }
-  if (input.dialogActionType !== undefined) {
-    bodyParams["dialogActionType"] = input.dialogActionType;
-  }
-  if (input.fulfillmentState !== undefined) {
-    bodyParams["fulfillmentState"] = input.fulfillmentState;
-  }
-  if (input.intentName !== undefined) {
-    bodyParams["intentName"] = input.intentName;
-  }
-  if (input.slotToElicit !== undefined) {
-    bodyParams["slotToElicit"] = input.slotToElicit;
-  }
-  if (input.slots !== undefined) {
-    bodyParams["slots"] = serializeAws_restJson1_1StringMap(
-      input.slots,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.checkpointLabel !== undefined && {
+      checkpointLabel: input.checkpointLabel
+    }),
+    ...(input.confirmationStatus !== undefined && {
+      confirmationStatus: input.confirmationStatus
+    }),
+    ...(input.dialogActionType !== undefined && {
+      dialogActionType: input.dialogActionType
+    }),
+    ...(input.fulfillmentState !== undefined && {
+      fulfillmentState: input.fulfillmentState
+    }),
+    ...(input.intentName !== undefined && { intentName: input.intentName }),
+    ...(input.slotToElicit !== undefined && {
+      slotToElicit: input.slotToElicit
+    }),
+    ...(input.slots !== undefined && {
+      slots: serializeAws_restJson1_1StringMap(input.slots, context)
+    })
+  };
 };
 
 const serializeAws_restJson1_1IntentSummaryList = (
diff --git a/clients/client-license-manager/protocols/Aws_json1_1.ts b/clients/client-license-manager/protocols/Aws_json1_1.ts
index 4ba34ab5af05..68be98c24e85 100644
--- a/clients/client-license-manager/protocols/Aws_json1_1.ts
+++ b/clients/client-license-manager/protocols/Aws_json1_1.ts
@@ -2383,68 +2383,54 @@ const serializeAws_json1_1CreateLicenseConfigurationRequest = (
   input: CreateLicenseConfigurationRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.LicenseCount !== undefined) {
-    bodyParams["LicenseCount"] = input.LicenseCount;
-  }
-  if (input.LicenseCountHardLimit !== undefined) {
-    bodyParams["LicenseCountHardLimit"] = input.LicenseCountHardLimit;
-  }
-  if (input.LicenseCountingType !== undefined) {
-    bodyParams["LicenseCountingType"] = input.LicenseCountingType;
-  }
-  if (input.LicenseRules !== undefined) {
-    bodyParams["LicenseRules"] = serializeAws_json1_1StringList(
-      input.LicenseRules,
-      context
-    );
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.ProductInformationList !== undefined) {
-    bodyParams[
-      "ProductInformationList"
-    ] = serializeAws_json1_1ProductInformationList(
-      input.ProductInformationList,
-      context
-    );
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagList(input.Tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.LicenseCount !== undefined && {
+      LicenseCount: input.LicenseCount
+    }),
+    ...(input.LicenseCountHardLimit !== undefined && {
+      LicenseCountHardLimit: input.LicenseCountHardLimit
+    }),
+    ...(input.LicenseCountingType !== undefined && {
+      LicenseCountingType: input.LicenseCountingType
+    }),
+    ...(input.LicenseRules !== undefined && {
+      LicenseRules: serializeAws_json1_1StringList(input.LicenseRules, context)
+    }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.ProductInformationList !== undefined && {
+      ProductInformationList: serializeAws_json1_1ProductInformationList(
+        input.ProductInformationList,
+        context
+      )
+    }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagList(input.Tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteLicenseConfigurationRequest = (
   input: DeleteLicenseConfigurationRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.LicenseConfigurationArn !== undefined) {
-    bodyParams["LicenseConfigurationArn"] = input.LicenseConfigurationArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.LicenseConfigurationArn !== undefined && {
+      LicenseConfigurationArn: input.LicenseConfigurationArn
+    })
+  };
 };
 
 const serializeAws_json1_1Filter = (
   input: Filter,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.Values !== undefined) {
-    bodyParams["Values"] = serializeAws_json1_1FilterValues(
-      input.Values,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.Values !== undefined && {
+      Values: serializeAws_json1_1FilterValues(input.Values, context)
+    })
+  };
 };
 
 const serializeAws_json1_1FilterValues = (
@@ -2465,36 +2451,29 @@ const serializeAws_json1_1GetLicenseConfigurationRequest = (
   input: GetLicenseConfigurationRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.LicenseConfigurationArn !== undefined) {
-    bodyParams["LicenseConfigurationArn"] = input.LicenseConfigurationArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.LicenseConfigurationArn !== undefined && {
+      LicenseConfigurationArn: input.LicenseConfigurationArn
+    })
+  };
 };
 
 const serializeAws_json1_1GetServiceSettingsRequest = (
   input: GetServiceSettingsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  return bodyParams;
+  return {};
 };
 
 const serializeAws_json1_1InventoryFilter = (
   input: InventoryFilter,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Condition !== undefined) {
-    bodyParams["Condition"] = input.Condition;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.Value !== undefined) {
-    bodyParams["Value"] = input.Value;
-  }
-  return bodyParams;
+  return {
+    ...(input.Condition !== undefined && { Condition: input.Condition }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.Value !== undefined && { Value: input.Value })
+  };
 };
 
 const serializeAws_json1_1InventoryFilterList = (
@@ -2510,11 +2489,11 @@ const serializeAws_json1_1LicenseSpecification = (
   input: LicenseSpecification,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.LicenseConfigurationArn !== undefined) {
-    bodyParams["LicenseConfigurationArn"] = input.LicenseConfigurationArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.LicenseConfigurationArn !== undefined && {
+      LicenseConfigurationArn: input.LicenseConfigurationArn
+    })
+  };
 };
 
 const serializeAws_json1_1LicenseSpecifications = (
@@ -2530,179 +2509,143 @@ const serializeAws_json1_1ListAssociationsForLicenseConfigurationRequest = (
   input: ListAssociationsForLicenseConfigurationRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.LicenseConfigurationArn !== undefined) {
-    bodyParams["LicenseConfigurationArn"] = input.LicenseConfigurationArn;
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.LicenseConfigurationArn !== undefined && {
+      LicenseConfigurationArn: input.LicenseConfigurationArn
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1ListFailuresForLicenseConfigurationOperationsRequest = (
   input: ListFailuresForLicenseConfigurationOperationsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.LicenseConfigurationArn !== undefined) {
-    bodyParams["LicenseConfigurationArn"] = input.LicenseConfigurationArn;
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.LicenseConfigurationArn !== undefined && {
+      LicenseConfigurationArn: input.LicenseConfigurationArn
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1ListLicenseConfigurationsRequest = (
   input: ListLicenseConfigurationsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Filters !== undefined) {
-    bodyParams["Filters"] = serializeAws_json1_1Filters(input.Filters, context);
-  }
-  if (input.LicenseConfigurationArns !== undefined) {
-    bodyParams["LicenseConfigurationArns"] = serializeAws_json1_1StringList(
-      input.LicenseConfigurationArns,
-      context
-    );
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.Filters !== undefined && {
+      Filters: serializeAws_json1_1Filters(input.Filters, context)
+    }),
+    ...(input.LicenseConfigurationArns !== undefined && {
+      LicenseConfigurationArns: serializeAws_json1_1StringList(
+        input.LicenseConfigurationArns,
+        context
+      )
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1ListLicenseSpecificationsForResourceRequest = (
   input: ListLicenseSpecificationsForResourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.ResourceArn !== undefined) {
-    bodyParams["ResourceArn"] = input.ResourceArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.ResourceArn !== undefined && { ResourceArn: input.ResourceArn })
+  };
 };
 
 const serializeAws_json1_1ListResourceInventoryRequest = (
   input: ListResourceInventoryRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Filters !== undefined) {
-    bodyParams["Filters"] = serializeAws_json1_1InventoryFilterList(
-      input.Filters,
-      context
-    );
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.Filters !== undefined && {
+      Filters: serializeAws_json1_1InventoryFilterList(input.Filters, context)
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1ListTagsForResourceRequest = (
   input: ListTagsForResourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceArn !== undefined) {
-    bodyParams["ResourceArn"] = input.ResourceArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceArn !== undefined && { ResourceArn: input.ResourceArn })
+  };
 };
 
 const serializeAws_json1_1ListUsageForLicenseConfigurationRequest = (
   input: ListUsageForLicenseConfigurationRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Filters !== undefined) {
-    bodyParams["Filters"] = serializeAws_json1_1Filters(input.Filters, context);
-  }
-  if (input.LicenseConfigurationArn !== undefined) {
-    bodyParams["LicenseConfigurationArn"] = input.LicenseConfigurationArn;
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.Filters !== undefined && {
+      Filters: serializeAws_json1_1Filters(input.Filters, context)
+    }),
+    ...(input.LicenseConfigurationArn !== undefined && {
+      LicenseConfigurationArn: input.LicenseConfigurationArn
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1OrganizationConfiguration = (
   input: OrganizationConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EnableIntegration !== undefined) {
-    bodyParams["EnableIntegration"] = input.EnableIntegration;
-  }
-  return bodyParams;
+  return {
+    ...(input.EnableIntegration !== undefined && {
+      EnableIntegration: input.EnableIntegration
+    })
+  };
 };
 
 const serializeAws_json1_1ProductInformation = (
   input: ProductInformation,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ProductInformationFilterList !== undefined) {
-    bodyParams[
-      "ProductInformationFilterList"
-    ] = serializeAws_json1_1ProductInformationFilterList(
-      input.ProductInformationFilterList,
-      context
-    );
-  }
-  if (input.ResourceType !== undefined) {
-    bodyParams["ResourceType"] = input.ResourceType;
-  }
-  return bodyParams;
+  return {
+    ...(input.ProductInformationFilterList !== undefined && {
+      ProductInformationFilterList: serializeAws_json1_1ProductInformationFilterList(
+        input.ProductInformationFilterList,
+        context
+      )
+    }),
+    ...(input.ResourceType !== undefined && {
+      ResourceType: input.ResourceType
+    })
+  };
 };
 
 const serializeAws_json1_1ProductInformationFilter = (
   input: ProductInformationFilter,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ProductInformationFilterComparator !== undefined) {
-    bodyParams["ProductInformationFilterComparator"] =
-      input.ProductInformationFilterComparator;
-  }
-  if (input.ProductInformationFilterName !== undefined) {
-    bodyParams["ProductInformationFilterName"] =
-      input.ProductInformationFilterName;
-  }
-  if (input.ProductInformationFilterValue !== undefined) {
-    bodyParams[
-      "ProductInformationFilterValue"
-    ] = serializeAws_json1_1StringList(
-      input.ProductInformationFilterValue,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ProductInformationFilterComparator !== undefined && {
+      ProductInformationFilterComparator:
+        input.ProductInformationFilterComparator
+    }),
+    ...(input.ProductInformationFilterName !== undefined && {
+      ProductInformationFilterName: input.ProductInformationFilterName
+    }),
+    ...(input.ProductInformationFilterValue !== undefined && {
+      ProductInformationFilterValue: serializeAws_json1_1StringList(
+        input.ProductInformationFilterValue,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1ProductInformationFilterList = (
@@ -2731,14 +2674,10 @@ const serializeAws_json1_1StringList = (
 };
 
 const serializeAws_json1_1Tag = (input: Tag, context: __SerdeContext): any => {
-  const bodyParams: any = {};
-  if (input.Key !== undefined) {
-    bodyParams["Key"] = input.Key;
-  }
-  if (input.Value !== undefined) {
-    bodyParams["Value"] = input.Value;
-  }
-  return bodyParams;
+  return {
+    ...(input.Key !== undefined && { Key: input.Key }),
+    ...(input.Value !== undefined && { Value: input.Value })
+  };
 };
 
 const serializeAws_json1_1TagKeyList = (
@@ -2759,124 +2698,95 @@ const serializeAws_json1_1TagResourceRequest = (
   input: TagResourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceArn !== undefined) {
-    bodyParams["ResourceArn"] = input.ResourceArn;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagList(input.Tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceArn !== undefined && { ResourceArn: input.ResourceArn }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagList(input.Tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1UntagResourceRequest = (
   input: UntagResourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceArn !== undefined) {
-    bodyParams["ResourceArn"] = input.ResourceArn;
-  }
-  if (input.TagKeys !== undefined) {
-    bodyParams["TagKeys"] = serializeAws_json1_1TagKeyList(
-      input.TagKeys,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceArn !== undefined && { ResourceArn: input.ResourceArn }),
+    ...(input.TagKeys !== undefined && {
+      TagKeys: serializeAws_json1_1TagKeyList(input.TagKeys, context)
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateLicenseConfigurationRequest = (
   input: UpdateLicenseConfigurationRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.LicenseConfigurationArn !== undefined) {
-    bodyParams["LicenseConfigurationArn"] = input.LicenseConfigurationArn;
-  }
-  if (input.LicenseConfigurationStatus !== undefined) {
-    bodyParams["LicenseConfigurationStatus"] = input.LicenseConfigurationStatus;
-  }
-  if (input.LicenseCount !== undefined) {
-    bodyParams["LicenseCount"] = input.LicenseCount;
-  }
-  if (input.LicenseCountHardLimit !== undefined) {
-    bodyParams["LicenseCountHardLimit"] = input.LicenseCountHardLimit;
-  }
-  if (input.LicenseRules !== undefined) {
-    bodyParams["LicenseRules"] = serializeAws_json1_1StringList(
-      input.LicenseRules,
-      context
-    );
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.ProductInformationList !== undefined) {
-    bodyParams[
-      "ProductInformationList"
-    ] = serializeAws_json1_1ProductInformationList(
-      input.ProductInformationList,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.LicenseConfigurationArn !== undefined && {
+      LicenseConfigurationArn: input.LicenseConfigurationArn
+    }),
+    ...(input.LicenseConfigurationStatus !== undefined && {
+      LicenseConfigurationStatus: input.LicenseConfigurationStatus
+    }),
+    ...(input.LicenseCount !== undefined && {
+      LicenseCount: input.LicenseCount
+    }),
+    ...(input.LicenseCountHardLimit !== undefined && {
+      LicenseCountHardLimit: input.LicenseCountHardLimit
+    }),
+    ...(input.LicenseRules !== undefined && {
+      LicenseRules: serializeAws_json1_1StringList(input.LicenseRules, context)
+    }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.ProductInformationList !== undefined && {
+      ProductInformationList: serializeAws_json1_1ProductInformationList(
+        input.ProductInformationList,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateLicenseSpecificationsForResourceRequest = (
   input: UpdateLicenseSpecificationsForResourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AddLicenseSpecifications !== undefined) {
-    bodyParams[
-      "AddLicenseSpecifications"
-    ] = serializeAws_json1_1LicenseSpecifications(
-      input.AddLicenseSpecifications,
-      context
-    );
-  }
-  if (input.RemoveLicenseSpecifications !== undefined) {
-    bodyParams[
-      "RemoveLicenseSpecifications"
-    ] = serializeAws_json1_1LicenseSpecifications(
-      input.RemoveLicenseSpecifications,
-      context
-    );
-  }
-  if (input.ResourceArn !== undefined) {
-    bodyParams["ResourceArn"] = input.ResourceArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.AddLicenseSpecifications !== undefined && {
+      AddLicenseSpecifications: serializeAws_json1_1LicenseSpecifications(
+        input.AddLicenseSpecifications,
+        context
+      )
+    }),
+    ...(input.RemoveLicenseSpecifications !== undefined && {
+      RemoveLicenseSpecifications: serializeAws_json1_1LicenseSpecifications(
+        input.RemoveLicenseSpecifications,
+        context
+      )
+    }),
+    ...(input.ResourceArn !== undefined && { ResourceArn: input.ResourceArn })
+  };
 };
 
 const serializeAws_json1_1UpdateServiceSettingsRequest = (
   input: UpdateServiceSettingsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EnableCrossAccountsDiscovery !== undefined) {
-    bodyParams["EnableCrossAccountsDiscovery"] =
-      input.EnableCrossAccountsDiscovery;
-  }
-  if (input.OrganizationConfiguration !== undefined) {
-    bodyParams[
-      "OrganizationConfiguration"
-    ] = serializeAws_json1_1OrganizationConfiguration(
-      input.OrganizationConfiguration,
-      context
-    );
-  }
-  if (input.S3BucketArn !== undefined) {
-    bodyParams["S3BucketArn"] = input.S3BucketArn;
-  }
-  if (input.SnsTopicArn !== undefined) {
-    bodyParams["SnsTopicArn"] = input.SnsTopicArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.EnableCrossAccountsDiscovery !== undefined && {
+      EnableCrossAccountsDiscovery: input.EnableCrossAccountsDiscovery
+    }),
+    ...(input.OrganizationConfiguration !== undefined && {
+      OrganizationConfiguration: serializeAws_json1_1OrganizationConfiguration(
+        input.OrganizationConfiguration,
+        context
+      )
+    }),
+    ...(input.S3BucketArn !== undefined && { S3BucketArn: input.S3BucketArn }),
+    ...(input.SnsTopicArn !== undefined && { SnsTopicArn: input.SnsTopicArn })
+  };
 };
 
 const deserializeAws_json1_1AccessDeniedException = (
diff --git a/clients/client-lightsail/protocols/Aws_json1_1.ts b/clients/client-lightsail/protocols/Aws_json1_1.ts
index 1b59b91890d7..8295f0981d29 100644
--- a/clients/client-lightsail/protocols/Aws_json1_1.ts
+++ b/clients/client-lightsail/protocols/Aws_json1_1.ts
@@ -15831,19 +15831,15 @@ const serializeAws_json1_1AddOnRequest = (
   input: AddOnRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.addOnType !== undefined) {
-    bodyParams["addOnType"] = input.addOnType;
-  }
-  if (input.autoSnapshotAddOnRequest !== undefined) {
-    bodyParams[
-      "autoSnapshotAddOnRequest"
-    ] = serializeAws_json1_1AutoSnapshotAddOnRequest(
-      input.autoSnapshotAddOnRequest,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.addOnType !== undefined && { addOnType: input.addOnType }),
+    ...(input.autoSnapshotAddOnRequest !== undefined && {
+      autoSnapshotAddOnRequest: serializeAws_json1_1AutoSnapshotAddOnRequest(
+        input.autoSnapshotAddOnRequest,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1AddOnRequestList = (
@@ -15857,73 +15853,69 @@ const serializeAws_json1_1AllocateStaticIpRequest = (
   input: AllocateStaticIpRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.staticIpName !== undefined) {
-    bodyParams["staticIpName"] = input.staticIpName;
-  }
-  return bodyParams;
+  return {
+    ...(input.staticIpName !== undefined && {
+      staticIpName: input.staticIpName
+    })
+  };
 };
 
 const serializeAws_json1_1AttachDiskRequest = (
   input: AttachDiskRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.diskName !== undefined) {
-    bodyParams["diskName"] = input.diskName;
-  }
-  if (input.diskPath !== undefined) {
-    bodyParams["diskPath"] = input.diskPath;
-  }
-  if (input.instanceName !== undefined) {
-    bodyParams["instanceName"] = input.instanceName;
-  }
-  return bodyParams;
+  return {
+    ...(input.diskName !== undefined && { diskName: input.diskName }),
+    ...(input.diskPath !== undefined && { diskPath: input.diskPath }),
+    ...(input.instanceName !== undefined && {
+      instanceName: input.instanceName
+    })
+  };
 };
 
 const serializeAws_json1_1AttachInstancesToLoadBalancerRequest = (
   input: AttachInstancesToLoadBalancerRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.instanceNames !== undefined) {
-    bodyParams["instanceNames"] = serializeAws_json1_1ResourceNameList(
-      input.instanceNames,
-      context
-    );
-  }
-  if (input.loadBalancerName !== undefined) {
-    bodyParams["loadBalancerName"] = input.loadBalancerName;
-  }
-  return bodyParams;
+  return {
+    ...(input.instanceNames !== undefined && {
+      instanceNames: serializeAws_json1_1ResourceNameList(
+        input.instanceNames,
+        context
+      )
+    }),
+    ...(input.loadBalancerName !== undefined && {
+      loadBalancerName: input.loadBalancerName
+    })
+  };
 };
 
 const serializeAws_json1_1AttachLoadBalancerTlsCertificateRequest = (
   input: AttachLoadBalancerTlsCertificateRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.certificateName !== undefined) {
-    bodyParams["certificateName"] = input.certificateName;
-  }
-  if (input.loadBalancerName !== undefined) {
-    bodyParams["loadBalancerName"] = input.loadBalancerName;
-  }
-  return bodyParams;
+  return {
+    ...(input.certificateName !== undefined && {
+      certificateName: input.certificateName
+    }),
+    ...(input.loadBalancerName !== undefined && {
+      loadBalancerName: input.loadBalancerName
+    })
+  };
 };
 
 const serializeAws_json1_1AttachStaticIpRequest = (
   input: AttachStaticIpRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.instanceName !== undefined) {
-    bodyParams["instanceName"] = input.instanceName;
-  }
-  if (input.staticIpName !== undefined) {
-    bodyParams["staticIpName"] = input.staticIpName;
-  }
-  return bodyParams;
+  return {
+    ...(input.instanceName !== undefined && {
+      instanceName: input.instanceName
+    }),
+    ...(input.staticIpName !== undefined && {
+      staticIpName: input.staticIpName
+    })
+  };
 };
 
 const serializeAws_json1_1AttachedDiskMap = (
@@ -15940,709 +15932,619 @@ const serializeAws_json1_1AutoSnapshotAddOnRequest = (
   input: AutoSnapshotAddOnRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.snapshotTimeOfDay !== undefined) {
-    bodyParams["snapshotTimeOfDay"] = input.snapshotTimeOfDay;
-  }
-  return bodyParams;
+  return {
+    ...(input.snapshotTimeOfDay !== undefined && {
+      snapshotTimeOfDay: input.snapshotTimeOfDay
+    })
+  };
 };
 
 const serializeAws_json1_1CloseInstancePublicPortsRequest = (
   input: CloseInstancePublicPortsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.instanceName !== undefined) {
-    bodyParams["instanceName"] = input.instanceName;
-  }
-  if (input.portInfo !== undefined) {
-    bodyParams["portInfo"] = serializeAws_json1_1PortInfo(
-      input.portInfo,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.instanceName !== undefined && {
+      instanceName: input.instanceName
+    }),
+    ...(input.portInfo !== undefined && {
+      portInfo: serializeAws_json1_1PortInfo(input.portInfo, context)
+    })
+  };
 };
 
 const serializeAws_json1_1CopySnapshotRequest = (
   input: CopySnapshotRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.restoreDate !== undefined) {
-    bodyParams["restoreDate"] = input.restoreDate;
-  }
-  if (input.sourceRegion !== undefined) {
-    bodyParams["sourceRegion"] = input.sourceRegion;
-  }
-  if (input.sourceResourceName !== undefined) {
-    bodyParams["sourceResourceName"] = input.sourceResourceName;
-  }
-  if (input.sourceSnapshotName !== undefined) {
-    bodyParams["sourceSnapshotName"] = input.sourceSnapshotName;
-  }
-  if (input.targetSnapshotName !== undefined) {
-    bodyParams["targetSnapshotName"] = input.targetSnapshotName;
-  }
-  if (input.useLatestRestorableAutoSnapshot !== undefined) {
-    bodyParams["useLatestRestorableAutoSnapshot"] =
-      input.useLatestRestorableAutoSnapshot;
-  }
-  return bodyParams;
+  return {
+    ...(input.restoreDate !== undefined && { restoreDate: input.restoreDate }),
+    ...(input.sourceRegion !== undefined && {
+      sourceRegion: input.sourceRegion
+    }),
+    ...(input.sourceResourceName !== undefined && {
+      sourceResourceName: input.sourceResourceName
+    }),
+    ...(input.sourceSnapshotName !== undefined && {
+      sourceSnapshotName: input.sourceSnapshotName
+    }),
+    ...(input.targetSnapshotName !== undefined && {
+      targetSnapshotName: input.targetSnapshotName
+    }),
+    ...(input.useLatestRestorableAutoSnapshot !== undefined && {
+      useLatestRestorableAutoSnapshot: input.useLatestRestorableAutoSnapshot
+    })
+  };
 };
 
 const serializeAws_json1_1CreateCloudFormationStackRequest = (
   input: CreateCloudFormationStackRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.instances !== undefined) {
-    bodyParams["instances"] = serializeAws_json1_1InstanceEntryList(
-      input.instances,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.instances !== undefined && {
+      instances: serializeAws_json1_1InstanceEntryList(input.instances, context)
+    })
+  };
 };
 
 const serializeAws_json1_1CreateDiskFromSnapshotRequest = (
   input: CreateDiskFromSnapshotRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.addOns !== undefined) {
-    bodyParams["addOns"] = serializeAws_json1_1AddOnRequestList(
-      input.addOns,
-      context
-    );
-  }
-  if (input.availabilityZone !== undefined) {
-    bodyParams["availabilityZone"] = input.availabilityZone;
-  }
-  if (input.diskName !== undefined) {
-    bodyParams["diskName"] = input.diskName;
-  }
-  if (input.diskSnapshotName !== undefined) {
-    bodyParams["diskSnapshotName"] = input.diskSnapshotName;
-  }
-  if (input.restoreDate !== undefined) {
-    bodyParams["restoreDate"] = input.restoreDate;
-  }
-  if (input.sizeInGb !== undefined) {
-    bodyParams["sizeInGb"] = input.sizeInGb;
-  }
-  if (input.sourceDiskName !== undefined) {
-    bodyParams["sourceDiskName"] = input.sourceDiskName;
-  }
-  if (input.tags !== undefined) {
-    bodyParams["tags"] = serializeAws_json1_1TagList(input.tags, context);
-  }
-  if (input.useLatestRestorableAutoSnapshot !== undefined) {
-    bodyParams["useLatestRestorableAutoSnapshot"] =
-      input.useLatestRestorableAutoSnapshot;
-  }
-  return bodyParams;
+  return {
+    ...(input.addOns !== undefined && {
+      addOns: serializeAws_json1_1AddOnRequestList(input.addOns, context)
+    }),
+    ...(input.availabilityZone !== undefined && {
+      availabilityZone: input.availabilityZone
+    }),
+    ...(input.diskName !== undefined && { diskName: input.diskName }),
+    ...(input.diskSnapshotName !== undefined && {
+      diskSnapshotName: input.diskSnapshotName
+    }),
+    ...(input.restoreDate !== undefined && { restoreDate: input.restoreDate }),
+    ...(input.sizeInGb !== undefined && { sizeInGb: input.sizeInGb }),
+    ...(input.sourceDiskName !== undefined && {
+      sourceDiskName: input.sourceDiskName
+    }),
+    ...(input.tags !== undefined && {
+      tags: serializeAws_json1_1TagList(input.tags, context)
+    }),
+    ...(input.useLatestRestorableAutoSnapshot !== undefined && {
+      useLatestRestorableAutoSnapshot: input.useLatestRestorableAutoSnapshot
+    })
+  };
 };
 
 const serializeAws_json1_1CreateDiskRequest = (
   input: CreateDiskRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.addOns !== undefined) {
-    bodyParams["addOns"] = serializeAws_json1_1AddOnRequestList(
-      input.addOns,
-      context
-    );
-  }
-  if (input.availabilityZone !== undefined) {
-    bodyParams["availabilityZone"] = input.availabilityZone;
-  }
-  if (input.diskName !== undefined) {
-    bodyParams["diskName"] = input.diskName;
-  }
-  if (input.sizeInGb !== undefined) {
-    bodyParams["sizeInGb"] = input.sizeInGb;
-  }
-  if (input.tags !== undefined) {
-    bodyParams["tags"] = serializeAws_json1_1TagList(input.tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.addOns !== undefined && {
+      addOns: serializeAws_json1_1AddOnRequestList(input.addOns, context)
+    }),
+    ...(input.availabilityZone !== undefined && {
+      availabilityZone: input.availabilityZone
+    }),
+    ...(input.diskName !== undefined && { diskName: input.diskName }),
+    ...(input.sizeInGb !== undefined && { sizeInGb: input.sizeInGb }),
+    ...(input.tags !== undefined && {
+      tags: serializeAws_json1_1TagList(input.tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1CreateDiskSnapshotRequest = (
   input: CreateDiskSnapshotRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.diskName !== undefined) {
-    bodyParams["diskName"] = input.diskName;
-  }
-  if (input.diskSnapshotName !== undefined) {
-    bodyParams["diskSnapshotName"] = input.diskSnapshotName;
-  }
-  if (input.instanceName !== undefined) {
-    bodyParams["instanceName"] = input.instanceName;
-  }
-  if (input.tags !== undefined) {
-    bodyParams["tags"] = serializeAws_json1_1TagList(input.tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.diskName !== undefined && { diskName: input.diskName }),
+    ...(input.diskSnapshotName !== undefined && {
+      diskSnapshotName: input.diskSnapshotName
+    }),
+    ...(input.instanceName !== undefined && {
+      instanceName: input.instanceName
+    }),
+    ...(input.tags !== undefined && {
+      tags: serializeAws_json1_1TagList(input.tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1CreateDomainEntryRequest = (
   input: CreateDomainEntryRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.domainEntry !== undefined) {
-    bodyParams["domainEntry"] = serializeAws_json1_1DomainEntry(
-      input.domainEntry,
-      context
-    );
-  }
-  if (input.domainName !== undefined) {
-    bodyParams["domainName"] = input.domainName;
-  }
-  return bodyParams;
+  return {
+    ...(input.domainEntry !== undefined && {
+      domainEntry: serializeAws_json1_1DomainEntry(input.domainEntry, context)
+    }),
+    ...(input.domainName !== undefined && { domainName: input.domainName })
+  };
 };
 
 const serializeAws_json1_1CreateDomainRequest = (
   input: CreateDomainRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.domainName !== undefined) {
-    bodyParams["domainName"] = input.domainName;
-  }
-  if (input.tags !== undefined) {
-    bodyParams["tags"] = serializeAws_json1_1TagList(input.tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.domainName !== undefined && { domainName: input.domainName }),
+    ...(input.tags !== undefined && {
+      tags: serializeAws_json1_1TagList(input.tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1CreateInstanceSnapshotRequest = (
   input: CreateInstanceSnapshotRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.instanceName !== undefined) {
-    bodyParams["instanceName"] = input.instanceName;
-  }
-  if (input.instanceSnapshotName !== undefined) {
-    bodyParams["instanceSnapshotName"] = input.instanceSnapshotName;
-  }
-  if (input.tags !== undefined) {
-    bodyParams["tags"] = serializeAws_json1_1TagList(input.tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.instanceName !== undefined && {
+      instanceName: input.instanceName
+    }),
+    ...(input.instanceSnapshotName !== undefined && {
+      instanceSnapshotName: input.instanceSnapshotName
+    }),
+    ...(input.tags !== undefined && {
+      tags: serializeAws_json1_1TagList(input.tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1CreateInstancesFromSnapshotRequest = (
   input: CreateInstancesFromSnapshotRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.addOns !== undefined) {
-    bodyParams["addOns"] = serializeAws_json1_1AddOnRequestList(
-      input.addOns,
-      context
-    );
-  }
-  if (input.attachedDiskMapping !== undefined) {
-    bodyParams["attachedDiskMapping"] = serializeAws_json1_1AttachedDiskMap(
-      input.attachedDiskMapping,
-      context
-    );
-  }
-  if (input.availabilityZone !== undefined) {
-    bodyParams["availabilityZone"] = input.availabilityZone;
-  }
-  if (input.bundleId !== undefined) {
-    bodyParams["bundleId"] = input.bundleId;
-  }
-  if (input.instanceNames !== undefined) {
-    bodyParams["instanceNames"] = serializeAws_json1_1StringList(
-      input.instanceNames,
-      context
-    );
-  }
-  if (input.instanceSnapshotName !== undefined) {
-    bodyParams["instanceSnapshotName"] = input.instanceSnapshotName;
-  }
-  if (input.keyPairName !== undefined) {
-    bodyParams["keyPairName"] = input.keyPairName;
-  }
-  if (input.restoreDate !== undefined) {
-    bodyParams["restoreDate"] = input.restoreDate;
-  }
-  if (input.sourceInstanceName !== undefined) {
-    bodyParams["sourceInstanceName"] = input.sourceInstanceName;
-  }
-  if (input.tags !== undefined) {
-    bodyParams["tags"] = serializeAws_json1_1TagList(input.tags, context);
-  }
-  if (input.useLatestRestorableAutoSnapshot !== undefined) {
-    bodyParams["useLatestRestorableAutoSnapshot"] =
-      input.useLatestRestorableAutoSnapshot;
-  }
-  if (input.userData !== undefined) {
-    bodyParams["userData"] = input.userData;
-  }
-  return bodyParams;
+  return {
+    ...(input.addOns !== undefined && {
+      addOns: serializeAws_json1_1AddOnRequestList(input.addOns, context)
+    }),
+    ...(input.attachedDiskMapping !== undefined && {
+      attachedDiskMapping: serializeAws_json1_1AttachedDiskMap(
+        input.attachedDiskMapping,
+        context
+      )
+    }),
+    ...(input.availabilityZone !== undefined && {
+      availabilityZone: input.availabilityZone
+    }),
+    ...(input.bundleId !== undefined && { bundleId: input.bundleId }),
+    ...(input.instanceNames !== undefined && {
+      instanceNames: serializeAws_json1_1StringList(
+        input.instanceNames,
+        context
+      )
+    }),
+    ...(input.instanceSnapshotName !== undefined && {
+      instanceSnapshotName: input.instanceSnapshotName
+    }),
+    ...(input.keyPairName !== undefined && { keyPairName: input.keyPairName }),
+    ...(input.restoreDate !== undefined && { restoreDate: input.restoreDate }),
+    ...(input.sourceInstanceName !== undefined && {
+      sourceInstanceName: input.sourceInstanceName
+    }),
+    ...(input.tags !== undefined && {
+      tags: serializeAws_json1_1TagList(input.tags, context)
+    }),
+    ...(input.useLatestRestorableAutoSnapshot !== undefined && {
+      useLatestRestorableAutoSnapshot: input.useLatestRestorableAutoSnapshot
+    }),
+    ...(input.userData !== undefined && { userData: input.userData })
+  };
 };
 
 const serializeAws_json1_1CreateInstancesRequest = (
   input: CreateInstancesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.addOns !== undefined) {
-    bodyParams["addOns"] = serializeAws_json1_1AddOnRequestList(
-      input.addOns,
-      context
-    );
-  }
-  if (input.availabilityZone !== undefined) {
-    bodyParams["availabilityZone"] = input.availabilityZone;
-  }
-  if (input.blueprintId !== undefined) {
-    bodyParams["blueprintId"] = input.blueprintId;
-  }
-  if (input.bundleId !== undefined) {
-    bodyParams["bundleId"] = input.bundleId;
-  }
-  if (input.customImageName !== undefined) {
-    bodyParams["customImageName"] = input.customImageName;
-  }
-  if (input.instanceNames !== undefined) {
-    bodyParams["instanceNames"] = serializeAws_json1_1StringList(
-      input.instanceNames,
-      context
-    );
-  }
-  if (input.keyPairName !== undefined) {
-    bodyParams["keyPairName"] = input.keyPairName;
-  }
-  if (input.tags !== undefined) {
-    bodyParams["tags"] = serializeAws_json1_1TagList(input.tags, context);
-  }
-  if (input.userData !== undefined) {
-    bodyParams["userData"] = input.userData;
-  }
-  return bodyParams;
+  return {
+    ...(input.addOns !== undefined && {
+      addOns: serializeAws_json1_1AddOnRequestList(input.addOns, context)
+    }),
+    ...(input.availabilityZone !== undefined && {
+      availabilityZone: input.availabilityZone
+    }),
+    ...(input.blueprintId !== undefined && { blueprintId: input.blueprintId }),
+    ...(input.bundleId !== undefined && { bundleId: input.bundleId }),
+    ...(input.customImageName !== undefined && {
+      customImageName: input.customImageName
+    }),
+    ...(input.instanceNames !== undefined && {
+      instanceNames: serializeAws_json1_1StringList(
+        input.instanceNames,
+        context
+      )
+    }),
+    ...(input.keyPairName !== undefined && { keyPairName: input.keyPairName }),
+    ...(input.tags !== undefined && {
+      tags: serializeAws_json1_1TagList(input.tags, context)
+    }),
+    ...(input.userData !== undefined && { userData: input.userData })
+  };
 };
 
 const serializeAws_json1_1CreateKeyPairRequest = (
   input: CreateKeyPairRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.keyPairName !== undefined) {
-    bodyParams["keyPairName"] = input.keyPairName;
-  }
-  if (input.tags !== undefined) {
-    bodyParams["tags"] = serializeAws_json1_1TagList(input.tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.keyPairName !== undefined && { keyPairName: input.keyPairName }),
+    ...(input.tags !== undefined && {
+      tags: serializeAws_json1_1TagList(input.tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1CreateLoadBalancerRequest = (
   input: CreateLoadBalancerRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.certificateAlternativeNames !== undefined) {
-    bodyParams[
-      "certificateAlternativeNames"
-    ] = serializeAws_json1_1DomainNameList(
-      input.certificateAlternativeNames,
-      context
-    );
-  }
-  if (input.certificateDomainName !== undefined) {
-    bodyParams["certificateDomainName"] = input.certificateDomainName;
-  }
-  if (input.certificateName !== undefined) {
-    bodyParams["certificateName"] = input.certificateName;
-  }
-  if (input.healthCheckPath !== undefined) {
-    bodyParams["healthCheckPath"] = input.healthCheckPath;
-  }
-  if (input.instancePort !== undefined) {
-    bodyParams["instancePort"] = input.instancePort;
-  }
-  if (input.loadBalancerName !== undefined) {
-    bodyParams["loadBalancerName"] = input.loadBalancerName;
-  }
-  if (input.tags !== undefined) {
-    bodyParams["tags"] = serializeAws_json1_1TagList(input.tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.certificateAlternativeNames !== undefined && {
+      certificateAlternativeNames: serializeAws_json1_1DomainNameList(
+        input.certificateAlternativeNames,
+        context
+      )
+    }),
+    ...(input.certificateDomainName !== undefined && {
+      certificateDomainName: input.certificateDomainName
+    }),
+    ...(input.certificateName !== undefined && {
+      certificateName: input.certificateName
+    }),
+    ...(input.healthCheckPath !== undefined && {
+      healthCheckPath: input.healthCheckPath
+    }),
+    ...(input.instancePort !== undefined && {
+      instancePort: input.instancePort
+    }),
+    ...(input.loadBalancerName !== undefined && {
+      loadBalancerName: input.loadBalancerName
+    }),
+    ...(input.tags !== undefined && {
+      tags: serializeAws_json1_1TagList(input.tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1CreateLoadBalancerTlsCertificateRequest = (
   input: CreateLoadBalancerTlsCertificateRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.certificateAlternativeNames !== undefined) {
-    bodyParams[
-      "certificateAlternativeNames"
-    ] = serializeAws_json1_1DomainNameList(
-      input.certificateAlternativeNames,
-      context
-    );
-  }
-  if (input.certificateDomainName !== undefined) {
-    bodyParams["certificateDomainName"] = input.certificateDomainName;
-  }
-  if (input.certificateName !== undefined) {
-    bodyParams["certificateName"] = input.certificateName;
-  }
-  if (input.loadBalancerName !== undefined) {
-    bodyParams["loadBalancerName"] = input.loadBalancerName;
-  }
-  if (input.tags !== undefined) {
-    bodyParams["tags"] = serializeAws_json1_1TagList(input.tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.certificateAlternativeNames !== undefined && {
+      certificateAlternativeNames: serializeAws_json1_1DomainNameList(
+        input.certificateAlternativeNames,
+        context
+      )
+    }),
+    ...(input.certificateDomainName !== undefined && {
+      certificateDomainName: input.certificateDomainName
+    }),
+    ...(input.certificateName !== undefined && {
+      certificateName: input.certificateName
+    }),
+    ...(input.loadBalancerName !== undefined && {
+      loadBalancerName: input.loadBalancerName
+    }),
+    ...(input.tags !== undefined && {
+      tags: serializeAws_json1_1TagList(input.tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1CreateRelationalDatabaseFromSnapshotRequest = (
   input: CreateRelationalDatabaseFromSnapshotRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.availabilityZone !== undefined) {
-    bodyParams["availabilityZone"] = input.availabilityZone;
-  }
-  if (input.publiclyAccessible !== undefined) {
-    bodyParams["publiclyAccessible"] = input.publiclyAccessible;
-  }
-  if (input.relationalDatabaseBundleId !== undefined) {
-    bodyParams["relationalDatabaseBundleId"] = input.relationalDatabaseBundleId;
-  }
-  if (input.relationalDatabaseName !== undefined) {
-    bodyParams["relationalDatabaseName"] = input.relationalDatabaseName;
-  }
-  if (input.relationalDatabaseSnapshotName !== undefined) {
-    bodyParams["relationalDatabaseSnapshotName"] =
-      input.relationalDatabaseSnapshotName;
-  }
-  if (input.restoreTime !== undefined) {
-    bodyParams["restoreTime"] = Math.round(input.restoreTime.getTime() / 1000);
-  }
-  if (input.sourceRelationalDatabaseName !== undefined) {
-    bodyParams["sourceRelationalDatabaseName"] =
-      input.sourceRelationalDatabaseName;
-  }
-  if (input.tags !== undefined) {
-    bodyParams["tags"] = serializeAws_json1_1TagList(input.tags, context);
-  }
-  if (input.useLatestRestorableTime !== undefined) {
-    bodyParams["useLatestRestorableTime"] = input.useLatestRestorableTime;
-  }
-  return bodyParams;
+  return {
+    ...(input.availabilityZone !== undefined && {
+      availabilityZone: input.availabilityZone
+    }),
+    ...(input.publiclyAccessible !== undefined && {
+      publiclyAccessible: input.publiclyAccessible
+    }),
+    ...(input.relationalDatabaseBundleId !== undefined && {
+      relationalDatabaseBundleId: input.relationalDatabaseBundleId
+    }),
+    ...(input.relationalDatabaseName !== undefined && {
+      relationalDatabaseName: input.relationalDatabaseName
+    }),
+    ...(input.relationalDatabaseSnapshotName !== undefined && {
+      relationalDatabaseSnapshotName: input.relationalDatabaseSnapshotName
+    }),
+    ...(input.restoreTime !== undefined && {
+      restoreTime: Math.round(input.restoreTime.getTime() / 1000)
+    }),
+    ...(input.sourceRelationalDatabaseName !== undefined && {
+      sourceRelationalDatabaseName: input.sourceRelationalDatabaseName
+    }),
+    ...(input.tags !== undefined && {
+      tags: serializeAws_json1_1TagList(input.tags, context)
+    }),
+    ...(input.useLatestRestorableTime !== undefined && {
+      useLatestRestorableTime: input.useLatestRestorableTime
+    })
+  };
 };
 
 const serializeAws_json1_1CreateRelationalDatabaseRequest = (
   input: CreateRelationalDatabaseRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.availabilityZone !== undefined) {
-    bodyParams["availabilityZone"] = input.availabilityZone;
-  }
-  if (input.masterDatabaseName !== undefined) {
-    bodyParams["masterDatabaseName"] = input.masterDatabaseName;
-  }
-  if (input.masterUserPassword !== undefined) {
-    bodyParams["masterUserPassword"] = input.masterUserPassword;
-  }
-  if (input.masterUsername !== undefined) {
-    bodyParams["masterUsername"] = input.masterUsername;
-  }
-  if (input.preferredBackupWindow !== undefined) {
-    bodyParams["preferredBackupWindow"] = input.preferredBackupWindow;
-  }
-  if (input.preferredMaintenanceWindow !== undefined) {
-    bodyParams["preferredMaintenanceWindow"] = input.preferredMaintenanceWindow;
-  }
-  if (input.publiclyAccessible !== undefined) {
-    bodyParams["publiclyAccessible"] = input.publiclyAccessible;
-  }
-  if (input.relationalDatabaseBlueprintId !== undefined) {
-    bodyParams["relationalDatabaseBlueprintId"] =
-      input.relationalDatabaseBlueprintId;
-  }
-  if (input.relationalDatabaseBundleId !== undefined) {
-    bodyParams["relationalDatabaseBundleId"] = input.relationalDatabaseBundleId;
-  }
-  if (input.relationalDatabaseName !== undefined) {
-    bodyParams["relationalDatabaseName"] = input.relationalDatabaseName;
-  }
-  if (input.tags !== undefined) {
-    bodyParams["tags"] = serializeAws_json1_1TagList(input.tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.availabilityZone !== undefined && {
+      availabilityZone: input.availabilityZone
+    }),
+    ...(input.masterDatabaseName !== undefined && {
+      masterDatabaseName: input.masterDatabaseName
+    }),
+    ...(input.masterUserPassword !== undefined && {
+      masterUserPassword: input.masterUserPassword
+    }),
+    ...(input.masterUsername !== undefined && {
+      masterUsername: input.masterUsername
+    }),
+    ...(input.preferredBackupWindow !== undefined && {
+      preferredBackupWindow: input.preferredBackupWindow
+    }),
+    ...(input.preferredMaintenanceWindow !== undefined && {
+      preferredMaintenanceWindow: input.preferredMaintenanceWindow
+    }),
+    ...(input.publiclyAccessible !== undefined && {
+      publiclyAccessible: input.publiclyAccessible
+    }),
+    ...(input.relationalDatabaseBlueprintId !== undefined && {
+      relationalDatabaseBlueprintId: input.relationalDatabaseBlueprintId
+    }),
+    ...(input.relationalDatabaseBundleId !== undefined && {
+      relationalDatabaseBundleId: input.relationalDatabaseBundleId
+    }),
+    ...(input.relationalDatabaseName !== undefined && {
+      relationalDatabaseName: input.relationalDatabaseName
+    }),
+    ...(input.tags !== undefined && {
+      tags: serializeAws_json1_1TagList(input.tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1CreateRelationalDatabaseSnapshotRequest = (
   input: CreateRelationalDatabaseSnapshotRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.relationalDatabaseName !== undefined) {
-    bodyParams["relationalDatabaseName"] = input.relationalDatabaseName;
-  }
-  if (input.relationalDatabaseSnapshotName !== undefined) {
-    bodyParams["relationalDatabaseSnapshotName"] =
-      input.relationalDatabaseSnapshotName;
-  }
-  if (input.tags !== undefined) {
-    bodyParams["tags"] = serializeAws_json1_1TagList(input.tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.relationalDatabaseName !== undefined && {
+      relationalDatabaseName: input.relationalDatabaseName
+    }),
+    ...(input.relationalDatabaseSnapshotName !== undefined && {
+      relationalDatabaseSnapshotName: input.relationalDatabaseSnapshotName
+    }),
+    ...(input.tags !== undefined && {
+      tags: serializeAws_json1_1TagList(input.tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteAutoSnapshotRequest = (
   input: DeleteAutoSnapshotRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.date !== undefined) {
-    bodyParams["date"] = input.date;
-  }
-  if (input.resourceName !== undefined) {
-    bodyParams["resourceName"] = input.resourceName;
-  }
-  return bodyParams;
+  return {
+    ...(input.date !== undefined && { date: input.date }),
+    ...(input.resourceName !== undefined && {
+      resourceName: input.resourceName
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteDiskRequest = (
   input: DeleteDiskRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.diskName !== undefined) {
-    bodyParams["diskName"] = input.diskName;
-  }
-  if (input.forceDeleteAddOns !== undefined) {
-    bodyParams["forceDeleteAddOns"] = input.forceDeleteAddOns;
-  }
-  return bodyParams;
+  return {
+    ...(input.diskName !== undefined && { diskName: input.diskName }),
+    ...(input.forceDeleteAddOns !== undefined && {
+      forceDeleteAddOns: input.forceDeleteAddOns
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteDiskSnapshotRequest = (
   input: DeleteDiskSnapshotRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.diskSnapshotName !== undefined) {
-    bodyParams["diskSnapshotName"] = input.diskSnapshotName;
-  }
-  return bodyParams;
+  return {
+    ...(input.diskSnapshotName !== undefined && {
+      diskSnapshotName: input.diskSnapshotName
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteDomainEntryRequest = (
   input: DeleteDomainEntryRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.domainEntry !== undefined) {
-    bodyParams["domainEntry"] = serializeAws_json1_1DomainEntry(
-      input.domainEntry,
-      context
-    );
-  }
-  if (input.domainName !== undefined) {
-    bodyParams["domainName"] = input.domainName;
-  }
-  return bodyParams;
+  return {
+    ...(input.domainEntry !== undefined && {
+      domainEntry: serializeAws_json1_1DomainEntry(input.domainEntry, context)
+    }),
+    ...(input.domainName !== undefined && { domainName: input.domainName })
+  };
 };
 
 const serializeAws_json1_1DeleteDomainRequest = (
   input: DeleteDomainRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.domainName !== undefined) {
-    bodyParams["domainName"] = input.domainName;
-  }
-  return bodyParams;
+  return {
+    ...(input.domainName !== undefined && { domainName: input.domainName })
+  };
 };
 
 const serializeAws_json1_1DeleteInstanceRequest = (
   input: DeleteInstanceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.forceDeleteAddOns !== undefined) {
-    bodyParams["forceDeleteAddOns"] = input.forceDeleteAddOns;
-  }
-  if (input.instanceName !== undefined) {
-    bodyParams["instanceName"] = input.instanceName;
-  }
-  return bodyParams;
+  return {
+    ...(input.forceDeleteAddOns !== undefined && {
+      forceDeleteAddOns: input.forceDeleteAddOns
+    }),
+    ...(input.instanceName !== undefined && {
+      instanceName: input.instanceName
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteInstanceSnapshotRequest = (
   input: DeleteInstanceSnapshotRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.instanceSnapshotName !== undefined) {
-    bodyParams["instanceSnapshotName"] = input.instanceSnapshotName;
-  }
-  return bodyParams;
+  return {
+    ...(input.instanceSnapshotName !== undefined && {
+      instanceSnapshotName: input.instanceSnapshotName
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteKeyPairRequest = (
   input: DeleteKeyPairRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.keyPairName !== undefined) {
-    bodyParams["keyPairName"] = input.keyPairName;
-  }
-  return bodyParams;
+  return {
+    ...(input.keyPairName !== undefined && { keyPairName: input.keyPairName })
+  };
 };
 
 const serializeAws_json1_1DeleteKnownHostKeysRequest = (
   input: DeleteKnownHostKeysRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.instanceName !== undefined) {
-    bodyParams["instanceName"] = input.instanceName;
-  }
-  return bodyParams;
+  return {
+    ...(input.instanceName !== undefined && {
+      instanceName: input.instanceName
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteLoadBalancerRequest = (
   input: DeleteLoadBalancerRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.loadBalancerName !== undefined) {
-    bodyParams["loadBalancerName"] = input.loadBalancerName;
-  }
-  return bodyParams;
+  return {
+    ...(input.loadBalancerName !== undefined && {
+      loadBalancerName: input.loadBalancerName
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteLoadBalancerTlsCertificateRequest = (
   input: DeleteLoadBalancerTlsCertificateRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.certificateName !== undefined) {
-    bodyParams["certificateName"] = input.certificateName;
-  }
-  if (input.force !== undefined) {
-    bodyParams["force"] = input.force;
-  }
-  if (input.loadBalancerName !== undefined) {
-    bodyParams["loadBalancerName"] = input.loadBalancerName;
-  }
-  return bodyParams;
+  return {
+    ...(input.certificateName !== undefined && {
+      certificateName: input.certificateName
+    }),
+    ...(input.force !== undefined && { force: input.force }),
+    ...(input.loadBalancerName !== undefined && {
+      loadBalancerName: input.loadBalancerName
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteRelationalDatabaseRequest = (
   input: DeleteRelationalDatabaseRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.finalRelationalDatabaseSnapshotName !== undefined) {
-    bodyParams["finalRelationalDatabaseSnapshotName"] =
-      input.finalRelationalDatabaseSnapshotName;
-  }
-  if (input.relationalDatabaseName !== undefined) {
-    bodyParams["relationalDatabaseName"] = input.relationalDatabaseName;
-  }
-  if (input.skipFinalSnapshot !== undefined) {
-    bodyParams["skipFinalSnapshot"] = input.skipFinalSnapshot;
-  }
-  return bodyParams;
+  return {
+    ...(input.finalRelationalDatabaseSnapshotName !== undefined && {
+      finalRelationalDatabaseSnapshotName:
+        input.finalRelationalDatabaseSnapshotName
+    }),
+    ...(input.relationalDatabaseName !== undefined && {
+      relationalDatabaseName: input.relationalDatabaseName
+    }),
+    ...(input.skipFinalSnapshot !== undefined && {
+      skipFinalSnapshot: input.skipFinalSnapshot
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteRelationalDatabaseSnapshotRequest = (
   input: DeleteRelationalDatabaseSnapshotRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.relationalDatabaseSnapshotName !== undefined) {
-    bodyParams["relationalDatabaseSnapshotName"] =
-      input.relationalDatabaseSnapshotName;
-  }
-  return bodyParams;
+  return {
+    ...(input.relationalDatabaseSnapshotName !== undefined && {
+      relationalDatabaseSnapshotName: input.relationalDatabaseSnapshotName
+    })
+  };
 };
 
 const serializeAws_json1_1DetachDiskRequest = (
   input: DetachDiskRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.diskName !== undefined) {
-    bodyParams["diskName"] = input.diskName;
-  }
-  return bodyParams;
+  return {
+    ...(input.diskName !== undefined && { diskName: input.diskName })
+  };
 };
 
 const serializeAws_json1_1DetachInstancesFromLoadBalancerRequest = (
   input: DetachInstancesFromLoadBalancerRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.instanceNames !== undefined) {
-    bodyParams["instanceNames"] = serializeAws_json1_1ResourceNameList(
-      input.instanceNames,
-      context
-    );
-  }
-  if (input.loadBalancerName !== undefined) {
-    bodyParams["loadBalancerName"] = input.loadBalancerName;
-  }
-  return bodyParams;
+  return {
+    ...(input.instanceNames !== undefined && {
+      instanceNames: serializeAws_json1_1ResourceNameList(
+        input.instanceNames,
+        context
+      )
+    }),
+    ...(input.loadBalancerName !== undefined && {
+      loadBalancerName: input.loadBalancerName
+    })
+  };
 };
 
 const serializeAws_json1_1DetachStaticIpRequest = (
   input: DetachStaticIpRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.staticIpName !== undefined) {
-    bodyParams["staticIpName"] = input.staticIpName;
-  }
-  return bodyParams;
+  return {
+    ...(input.staticIpName !== undefined && {
+      staticIpName: input.staticIpName
+    })
+  };
 };
 
 const serializeAws_json1_1DisableAddOnRequest = (
   input: DisableAddOnRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.addOnType !== undefined) {
-    bodyParams["addOnType"] = input.addOnType;
-  }
-  if (input.resourceName !== undefined) {
-    bodyParams["resourceName"] = input.resourceName;
-  }
-  return bodyParams;
+  return {
+    ...(input.addOnType !== undefined && { addOnType: input.addOnType }),
+    ...(input.resourceName !== undefined && {
+      resourceName: input.resourceName
+    })
+  };
 };
 
 const serializeAws_json1_1DiskMap = (
   input: DiskMap,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.newDiskName !== undefined) {
-    bodyParams["newDiskName"] = input.newDiskName;
-  }
-  if (input.originalDiskPath !== undefined) {
-    bodyParams["originalDiskPath"] = input.originalDiskPath;
-  }
-  return bodyParams;
+  return {
+    ...(input.newDiskName !== undefined && { newDiskName: input.newDiskName }),
+    ...(input.originalDiskPath !== undefined && {
+      originalDiskPath: input.originalDiskPath
+    })
+  };
 };
 
 const serializeAws_json1_1DiskMapList = (
@@ -16656,29 +16558,16 @@ const serializeAws_json1_1DomainEntry = (
   input: DomainEntry,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.id !== undefined) {
-    bodyParams["id"] = input.id;
-  }
-  if (input.isAlias !== undefined) {
-    bodyParams["isAlias"] = input.isAlias;
-  }
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  if (input.options !== undefined) {
-    bodyParams["options"] = serializeAws_json1_1DomainEntryOptions(
-      input.options,
-      context
-    );
-  }
-  if (input.target !== undefined) {
-    bodyParams["target"] = input.target;
-  }
-  if (input.type !== undefined) {
-    bodyParams["type"] = input.type;
-  }
-  return bodyParams;
+  return {
+    ...(input.id !== undefined && { id: input.id }),
+    ...(input.isAlias !== undefined && { isAlias: input.isAlias }),
+    ...(input.name !== undefined && { name: input.name }),
+    ...(input.options !== undefined && {
+      options: serializeAws_json1_1DomainEntryOptions(input.options, context)
+    }),
+    ...(input.target !== undefined && { target: input.target }),
+    ...(input.type !== undefined && { type: input.type })
+  };
 };
 
 const serializeAws_json1_1DomainEntryOptions = (
@@ -16702,664 +16591,584 @@ const serializeAws_json1_1DownloadDefaultKeyPairRequest = (
   input: DownloadDefaultKeyPairRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  return bodyParams;
+  return {};
 };
 
 const serializeAws_json1_1EnableAddOnRequest = (
   input: EnableAddOnRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.addOnRequest !== undefined) {
-    bodyParams["addOnRequest"] = serializeAws_json1_1AddOnRequest(
-      input.addOnRequest,
-      context
-    );
-  }
-  if (input.resourceName !== undefined) {
-    bodyParams["resourceName"] = input.resourceName;
-  }
-  return bodyParams;
+  return {
+    ...(input.addOnRequest !== undefined && {
+      addOnRequest: serializeAws_json1_1AddOnRequest(
+        input.addOnRequest,
+        context
+      )
+    }),
+    ...(input.resourceName !== undefined && {
+      resourceName: input.resourceName
+    })
+  };
 };
 
 const serializeAws_json1_1ExportSnapshotRequest = (
   input: ExportSnapshotRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.sourceSnapshotName !== undefined) {
-    bodyParams["sourceSnapshotName"] = input.sourceSnapshotName;
-  }
-  return bodyParams;
+  return {
+    ...(input.sourceSnapshotName !== undefined && {
+      sourceSnapshotName: input.sourceSnapshotName
+    })
+  };
 };
 
 const serializeAws_json1_1GetActiveNamesRequest = (
   input: GetActiveNamesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.pageToken !== undefined) {
-    bodyParams["pageToken"] = input.pageToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.pageToken !== undefined && { pageToken: input.pageToken })
+  };
 };
 
 const serializeAws_json1_1GetAutoSnapshotsRequest = (
   input: GetAutoSnapshotsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.resourceName !== undefined) {
-    bodyParams["resourceName"] = input.resourceName;
-  }
-  return bodyParams;
+  return {
+    ...(input.resourceName !== undefined && {
+      resourceName: input.resourceName
+    })
+  };
 };
 
 const serializeAws_json1_1GetBlueprintsRequest = (
   input: GetBlueprintsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.includeInactive !== undefined) {
-    bodyParams["includeInactive"] = input.includeInactive;
-  }
-  if (input.pageToken !== undefined) {
-    bodyParams["pageToken"] = input.pageToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.includeInactive !== undefined && {
+      includeInactive: input.includeInactive
+    }),
+    ...(input.pageToken !== undefined && { pageToken: input.pageToken })
+  };
 };
 
 const serializeAws_json1_1GetBundlesRequest = (
   input: GetBundlesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.includeInactive !== undefined) {
-    bodyParams["includeInactive"] = input.includeInactive;
-  }
-  if (input.pageToken !== undefined) {
-    bodyParams["pageToken"] = input.pageToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.includeInactive !== undefined && {
+      includeInactive: input.includeInactive
+    }),
+    ...(input.pageToken !== undefined && { pageToken: input.pageToken })
+  };
 };
 
 const serializeAws_json1_1GetCloudFormationStackRecordsRequest = (
   input: GetCloudFormationStackRecordsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.pageToken !== undefined) {
-    bodyParams["pageToken"] = input.pageToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.pageToken !== undefined && { pageToken: input.pageToken })
+  };
 };
 
 const serializeAws_json1_1GetDiskRequest = (
   input: GetDiskRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.diskName !== undefined) {
-    bodyParams["diskName"] = input.diskName;
-  }
-  return bodyParams;
+  return {
+    ...(input.diskName !== undefined && { diskName: input.diskName })
+  };
 };
 
 const serializeAws_json1_1GetDiskSnapshotRequest = (
   input: GetDiskSnapshotRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.diskSnapshotName !== undefined) {
-    bodyParams["diskSnapshotName"] = input.diskSnapshotName;
-  }
-  return bodyParams;
+  return {
+    ...(input.diskSnapshotName !== undefined && {
+      diskSnapshotName: input.diskSnapshotName
+    })
+  };
 };
 
 const serializeAws_json1_1GetDiskSnapshotsRequest = (
   input: GetDiskSnapshotsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.pageToken !== undefined) {
-    bodyParams["pageToken"] = input.pageToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.pageToken !== undefined && { pageToken: input.pageToken })
+  };
 };
 
 const serializeAws_json1_1GetDisksRequest = (
   input: GetDisksRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.pageToken !== undefined) {
-    bodyParams["pageToken"] = input.pageToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.pageToken !== undefined && { pageToken: input.pageToken })
+  };
 };
 
 const serializeAws_json1_1GetDomainRequest = (
   input: GetDomainRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.domainName !== undefined) {
-    bodyParams["domainName"] = input.domainName;
-  }
-  return bodyParams;
+  return {
+    ...(input.domainName !== undefined && { domainName: input.domainName })
+  };
 };
 
 const serializeAws_json1_1GetDomainsRequest = (
   input: GetDomainsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.pageToken !== undefined) {
-    bodyParams["pageToken"] = input.pageToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.pageToken !== undefined && { pageToken: input.pageToken })
+  };
 };
 
 const serializeAws_json1_1GetExportSnapshotRecordsRequest = (
   input: GetExportSnapshotRecordsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.pageToken !== undefined) {
-    bodyParams["pageToken"] = input.pageToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.pageToken !== undefined && { pageToken: input.pageToken })
+  };
 };
 
 const serializeAws_json1_1GetInstanceAccessDetailsRequest = (
   input: GetInstanceAccessDetailsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.instanceName !== undefined) {
-    bodyParams["instanceName"] = input.instanceName;
-  }
-  if (input.protocol !== undefined) {
-    bodyParams["protocol"] = input.protocol;
-  }
-  return bodyParams;
+  return {
+    ...(input.instanceName !== undefined && {
+      instanceName: input.instanceName
+    }),
+    ...(input.protocol !== undefined && { protocol: input.protocol })
+  };
 };
 
 const serializeAws_json1_1GetInstanceMetricDataRequest = (
   input: GetInstanceMetricDataRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.endTime !== undefined) {
-    bodyParams["endTime"] = Math.round(input.endTime.getTime() / 1000);
-  }
-  if (input.instanceName !== undefined) {
-    bodyParams["instanceName"] = input.instanceName;
-  }
-  if (input.metricName !== undefined) {
-    bodyParams["metricName"] = input.metricName;
-  }
-  if (input.period !== undefined) {
-    bodyParams["period"] = input.period;
-  }
-  if (input.startTime !== undefined) {
-    bodyParams["startTime"] = Math.round(input.startTime.getTime() / 1000);
-  }
-  if (input.statistics !== undefined) {
-    bodyParams["statistics"] = serializeAws_json1_1MetricStatisticList(
-      input.statistics,
-      context
-    );
-  }
-  if (input.unit !== undefined) {
-    bodyParams["unit"] = input.unit;
-  }
-  return bodyParams;
+  return {
+    ...(input.endTime !== undefined && {
+      endTime: Math.round(input.endTime.getTime() / 1000)
+    }),
+    ...(input.instanceName !== undefined && {
+      instanceName: input.instanceName
+    }),
+    ...(input.metricName !== undefined && { metricName: input.metricName }),
+    ...(input.period !== undefined && { period: input.period }),
+    ...(input.startTime !== undefined && {
+      startTime: Math.round(input.startTime.getTime() / 1000)
+    }),
+    ...(input.statistics !== undefined && {
+      statistics: serializeAws_json1_1MetricStatisticList(
+        input.statistics,
+        context
+      )
+    }),
+    ...(input.unit !== undefined && { unit: input.unit })
+  };
 };
 
 const serializeAws_json1_1GetInstancePortStatesRequest = (
   input: GetInstancePortStatesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.instanceName !== undefined) {
-    bodyParams["instanceName"] = input.instanceName;
-  }
-  return bodyParams;
+  return {
+    ...(input.instanceName !== undefined && {
+      instanceName: input.instanceName
+    })
+  };
 };
 
 const serializeAws_json1_1GetInstanceRequest = (
   input: GetInstanceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.instanceName !== undefined) {
-    bodyParams["instanceName"] = input.instanceName;
-  }
-  return bodyParams;
+  return {
+    ...(input.instanceName !== undefined && {
+      instanceName: input.instanceName
+    })
+  };
 };
 
 const serializeAws_json1_1GetInstanceSnapshotRequest = (
   input: GetInstanceSnapshotRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.instanceSnapshotName !== undefined) {
-    bodyParams["instanceSnapshotName"] = input.instanceSnapshotName;
-  }
-  return bodyParams;
+  return {
+    ...(input.instanceSnapshotName !== undefined && {
+      instanceSnapshotName: input.instanceSnapshotName
+    })
+  };
 };
 
 const serializeAws_json1_1GetInstanceSnapshotsRequest = (
   input: GetInstanceSnapshotsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.pageToken !== undefined) {
-    bodyParams["pageToken"] = input.pageToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.pageToken !== undefined && { pageToken: input.pageToken })
+  };
 };
 
 const serializeAws_json1_1GetInstanceStateRequest = (
   input: GetInstanceStateRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.instanceName !== undefined) {
-    bodyParams["instanceName"] = input.instanceName;
-  }
-  return bodyParams;
+  return {
+    ...(input.instanceName !== undefined && {
+      instanceName: input.instanceName
+    })
+  };
 };
 
 const serializeAws_json1_1GetInstancesRequest = (
   input: GetInstancesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.pageToken !== undefined) {
-    bodyParams["pageToken"] = input.pageToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.pageToken !== undefined && { pageToken: input.pageToken })
+  };
 };
 
 const serializeAws_json1_1GetKeyPairRequest = (
   input: GetKeyPairRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.keyPairName !== undefined) {
-    bodyParams["keyPairName"] = input.keyPairName;
-  }
-  return bodyParams;
+  return {
+    ...(input.keyPairName !== undefined && { keyPairName: input.keyPairName })
+  };
 };
 
 const serializeAws_json1_1GetKeyPairsRequest = (
   input: GetKeyPairsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.pageToken !== undefined) {
-    bodyParams["pageToken"] = input.pageToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.pageToken !== undefined && { pageToken: input.pageToken })
+  };
 };
 
 const serializeAws_json1_1GetLoadBalancerMetricDataRequest = (
   input: GetLoadBalancerMetricDataRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.endTime !== undefined) {
-    bodyParams["endTime"] = Math.round(input.endTime.getTime() / 1000);
-  }
-  if (input.loadBalancerName !== undefined) {
-    bodyParams["loadBalancerName"] = input.loadBalancerName;
-  }
-  if (input.metricName !== undefined) {
-    bodyParams["metricName"] = input.metricName;
-  }
-  if (input.period !== undefined) {
-    bodyParams["period"] = input.period;
-  }
-  if (input.startTime !== undefined) {
-    bodyParams["startTime"] = Math.round(input.startTime.getTime() / 1000);
-  }
-  if (input.statistics !== undefined) {
-    bodyParams["statistics"] = serializeAws_json1_1MetricStatisticList(
-      input.statistics,
-      context
-    );
-  }
-  if (input.unit !== undefined) {
-    bodyParams["unit"] = input.unit;
-  }
-  return bodyParams;
+  return {
+    ...(input.endTime !== undefined && {
+      endTime: Math.round(input.endTime.getTime() / 1000)
+    }),
+    ...(input.loadBalancerName !== undefined && {
+      loadBalancerName: input.loadBalancerName
+    }),
+    ...(input.metricName !== undefined && { metricName: input.metricName }),
+    ...(input.period !== undefined && { period: input.period }),
+    ...(input.startTime !== undefined && {
+      startTime: Math.round(input.startTime.getTime() / 1000)
+    }),
+    ...(input.statistics !== undefined && {
+      statistics: serializeAws_json1_1MetricStatisticList(
+        input.statistics,
+        context
+      )
+    }),
+    ...(input.unit !== undefined && { unit: input.unit })
+  };
 };
 
 const serializeAws_json1_1GetLoadBalancerRequest = (
   input: GetLoadBalancerRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.loadBalancerName !== undefined) {
-    bodyParams["loadBalancerName"] = input.loadBalancerName;
-  }
-  return bodyParams;
+  return {
+    ...(input.loadBalancerName !== undefined && {
+      loadBalancerName: input.loadBalancerName
+    })
+  };
 };
 
 const serializeAws_json1_1GetLoadBalancerTlsCertificatesRequest = (
   input: GetLoadBalancerTlsCertificatesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.loadBalancerName !== undefined) {
-    bodyParams["loadBalancerName"] = input.loadBalancerName;
-  }
-  return bodyParams;
+  return {
+    ...(input.loadBalancerName !== undefined && {
+      loadBalancerName: input.loadBalancerName
+    })
+  };
 };
 
 const serializeAws_json1_1GetLoadBalancersRequest = (
   input: GetLoadBalancersRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.pageToken !== undefined) {
-    bodyParams["pageToken"] = input.pageToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.pageToken !== undefined && { pageToken: input.pageToken })
+  };
 };
 
 const serializeAws_json1_1GetOperationRequest = (
   input: GetOperationRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.operationId !== undefined) {
-    bodyParams["operationId"] = input.operationId;
-  }
-  return bodyParams;
+  return {
+    ...(input.operationId !== undefined && { operationId: input.operationId })
+  };
 };
 
 const serializeAws_json1_1GetOperationsForResourceRequest = (
   input: GetOperationsForResourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.pageToken !== undefined) {
-    bodyParams["pageToken"] = input.pageToken;
-  }
-  if (input.resourceName !== undefined) {
-    bodyParams["resourceName"] = input.resourceName;
-  }
-  return bodyParams;
+  return {
+    ...(input.pageToken !== undefined && { pageToken: input.pageToken }),
+    ...(input.resourceName !== undefined && {
+      resourceName: input.resourceName
+    })
+  };
 };
 
 const serializeAws_json1_1GetOperationsRequest = (
   input: GetOperationsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.pageToken !== undefined) {
-    bodyParams["pageToken"] = input.pageToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.pageToken !== undefined && { pageToken: input.pageToken })
+  };
 };
 
 const serializeAws_json1_1GetRegionsRequest = (
   input: GetRegionsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.includeAvailabilityZones !== undefined) {
-    bodyParams["includeAvailabilityZones"] = input.includeAvailabilityZones;
-  }
-  if (input.includeRelationalDatabaseAvailabilityZones !== undefined) {
-    bodyParams["includeRelationalDatabaseAvailabilityZones"] =
-      input.includeRelationalDatabaseAvailabilityZones;
-  }
-  return bodyParams;
+  return {
+    ...(input.includeAvailabilityZones !== undefined && {
+      includeAvailabilityZones: input.includeAvailabilityZones
+    }),
+    ...(input.includeRelationalDatabaseAvailabilityZones !== undefined && {
+      includeRelationalDatabaseAvailabilityZones:
+        input.includeRelationalDatabaseAvailabilityZones
+    })
+  };
 };
 
 const serializeAws_json1_1GetRelationalDatabaseBlueprintsRequest = (
   input: GetRelationalDatabaseBlueprintsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.pageToken !== undefined) {
-    bodyParams["pageToken"] = input.pageToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.pageToken !== undefined && { pageToken: input.pageToken })
+  };
 };
 
 const serializeAws_json1_1GetRelationalDatabaseBundlesRequest = (
   input: GetRelationalDatabaseBundlesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.pageToken !== undefined) {
-    bodyParams["pageToken"] = input.pageToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.pageToken !== undefined && { pageToken: input.pageToken })
+  };
 };
 
 const serializeAws_json1_1GetRelationalDatabaseEventsRequest = (
   input: GetRelationalDatabaseEventsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.durationInMinutes !== undefined) {
-    bodyParams["durationInMinutes"] = input.durationInMinutes;
-  }
-  if (input.pageToken !== undefined) {
-    bodyParams["pageToken"] = input.pageToken;
-  }
-  if (input.relationalDatabaseName !== undefined) {
-    bodyParams["relationalDatabaseName"] = input.relationalDatabaseName;
-  }
-  return bodyParams;
+  return {
+    ...(input.durationInMinutes !== undefined && {
+      durationInMinutes: input.durationInMinutes
+    }),
+    ...(input.pageToken !== undefined && { pageToken: input.pageToken }),
+    ...(input.relationalDatabaseName !== undefined && {
+      relationalDatabaseName: input.relationalDatabaseName
+    })
+  };
 };
 
 const serializeAws_json1_1GetRelationalDatabaseLogEventsRequest = (
   input: GetRelationalDatabaseLogEventsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.endTime !== undefined) {
-    bodyParams["endTime"] = Math.round(input.endTime.getTime() / 1000);
-  }
-  if (input.logStreamName !== undefined) {
-    bodyParams["logStreamName"] = input.logStreamName;
-  }
-  if (input.pageToken !== undefined) {
-    bodyParams["pageToken"] = input.pageToken;
-  }
-  if (input.relationalDatabaseName !== undefined) {
-    bodyParams["relationalDatabaseName"] = input.relationalDatabaseName;
-  }
-  if (input.startFromHead !== undefined) {
-    bodyParams["startFromHead"] = input.startFromHead;
-  }
-  if (input.startTime !== undefined) {
-    bodyParams["startTime"] = Math.round(input.startTime.getTime() / 1000);
-  }
-  return bodyParams;
+  return {
+    ...(input.endTime !== undefined && {
+      endTime: Math.round(input.endTime.getTime() / 1000)
+    }),
+    ...(input.logStreamName !== undefined && {
+      logStreamName: input.logStreamName
+    }),
+    ...(input.pageToken !== undefined && { pageToken: input.pageToken }),
+    ...(input.relationalDatabaseName !== undefined && {
+      relationalDatabaseName: input.relationalDatabaseName
+    }),
+    ...(input.startFromHead !== undefined && {
+      startFromHead: input.startFromHead
+    }),
+    ...(input.startTime !== undefined && {
+      startTime: Math.round(input.startTime.getTime() / 1000)
+    })
+  };
 };
 
 const serializeAws_json1_1GetRelationalDatabaseLogStreamsRequest = (
   input: GetRelationalDatabaseLogStreamsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.relationalDatabaseName !== undefined) {
-    bodyParams["relationalDatabaseName"] = input.relationalDatabaseName;
-  }
-  return bodyParams;
+  return {
+    ...(input.relationalDatabaseName !== undefined && {
+      relationalDatabaseName: input.relationalDatabaseName
+    })
+  };
 };
 
 const serializeAws_json1_1GetRelationalDatabaseMasterUserPasswordRequest = (
   input: GetRelationalDatabaseMasterUserPasswordRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.passwordVersion !== undefined) {
-    bodyParams["passwordVersion"] = input.passwordVersion;
-  }
-  if (input.relationalDatabaseName !== undefined) {
-    bodyParams["relationalDatabaseName"] = input.relationalDatabaseName;
-  }
-  return bodyParams;
+  return {
+    ...(input.passwordVersion !== undefined && {
+      passwordVersion: input.passwordVersion
+    }),
+    ...(input.relationalDatabaseName !== undefined && {
+      relationalDatabaseName: input.relationalDatabaseName
+    })
+  };
 };
 
 const serializeAws_json1_1GetRelationalDatabaseMetricDataRequest = (
   input: GetRelationalDatabaseMetricDataRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.endTime !== undefined) {
-    bodyParams["endTime"] = Math.round(input.endTime.getTime() / 1000);
-  }
-  if (input.metricName !== undefined) {
-    bodyParams["metricName"] = input.metricName;
-  }
-  if (input.period !== undefined) {
-    bodyParams["period"] = input.period;
-  }
-  if (input.relationalDatabaseName !== undefined) {
-    bodyParams["relationalDatabaseName"] = input.relationalDatabaseName;
-  }
-  if (input.startTime !== undefined) {
-    bodyParams["startTime"] = Math.round(input.startTime.getTime() / 1000);
-  }
-  if (input.statistics !== undefined) {
-    bodyParams["statistics"] = serializeAws_json1_1MetricStatisticList(
-      input.statistics,
-      context
-    );
-  }
-  if (input.unit !== undefined) {
-    bodyParams["unit"] = input.unit;
-  }
-  return bodyParams;
+  return {
+    ...(input.endTime !== undefined && {
+      endTime: Math.round(input.endTime.getTime() / 1000)
+    }),
+    ...(input.metricName !== undefined && { metricName: input.metricName }),
+    ...(input.period !== undefined && { period: input.period }),
+    ...(input.relationalDatabaseName !== undefined && {
+      relationalDatabaseName: input.relationalDatabaseName
+    }),
+    ...(input.startTime !== undefined && {
+      startTime: Math.round(input.startTime.getTime() / 1000)
+    }),
+    ...(input.statistics !== undefined && {
+      statistics: serializeAws_json1_1MetricStatisticList(
+        input.statistics,
+        context
+      )
+    }),
+    ...(input.unit !== undefined && { unit: input.unit })
+  };
 };
 
 const serializeAws_json1_1GetRelationalDatabaseParametersRequest = (
   input: GetRelationalDatabaseParametersRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.pageToken !== undefined) {
-    bodyParams["pageToken"] = input.pageToken;
-  }
-  if (input.relationalDatabaseName !== undefined) {
-    bodyParams["relationalDatabaseName"] = input.relationalDatabaseName;
-  }
-  return bodyParams;
+  return {
+    ...(input.pageToken !== undefined && { pageToken: input.pageToken }),
+    ...(input.relationalDatabaseName !== undefined && {
+      relationalDatabaseName: input.relationalDatabaseName
+    })
+  };
 };
 
 const serializeAws_json1_1GetRelationalDatabaseRequest = (
   input: GetRelationalDatabaseRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.relationalDatabaseName !== undefined) {
-    bodyParams["relationalDatabaseName"] = input.relationalDatabaseName;
-  }
-  return bodyParams;
+  return {
+    ...(input.relationalDatabaseName !== undefined && {
+      relationalDatabaseName: input.relationalDatabaseName
+    })
+  };
 };
 
 const serializeAws_json1_1GetRelationalDatabaseSnapshotRequest = (
   input: GetRelationalDatabaseSnapshotRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.relationalDatabaseSnapshotName !== undefined) {
-    bodyParams["relationalDatabaseSnapshotName"] =
-      input.relationalDatabaseSnapshotName;
-  }
-  return bodyParams;
+  return {
+    ...(input.relationalDatabaseSnapshotName !== undefined && {
+      relationalDatabaseSnapshotName: input.relationalDatabaseSnapshotName
+    })
+  };
 };
 
 const serializeAws_json1_1GetRelationalDatabaseSnapshotsRequest = (
   input: GetRelationalDatabaseSnapshotsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.pageToken !== undefined) {
-    bodyParams["pageToken"] = input.pageToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.pageToken !== undefined && { pageToken: input.pageToken })
+  };
 };
 
 const serializeAws_json1_1GetRelationalDatabasesRequest = (
   input: GetRelationalDatabasesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.pageToken !== undefined) {
-    bodyParams["pageToken"] = input.pageToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.pageToken !== undefined && { pageToken: input.pageToken })
+  };
 };
 
 const serializeAws_json1_1GetStaticIpRequest = (
   input: GetStaticIpRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.staticIpName !== undefined) {
-    bodyParams["staticIpName"] = input.staticIpName;
-  }
-  return bodyParams;
+  return {
+    ...(input.staticIpName !== undefined && {
+      staticIpName: input.staticIpName
+    })
+  };
 };
 
 const serializeAws_json1_1GetStaticIpsRequest = (
   input: GetStaticIpsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.pageToken !== undefined) {
-    bodyParams["pageToken"] = input.pageToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.pageToken !== undefined && { pageToken: input.pageToken })
+  };
 };
 
 const serializeAws_json1_1ImportKeyPairRequest = (
   input: ImportKeyPairRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.keyPairName !== undefined) {
-    bodyParams["keyPairName"] = input.keyPairName;
-  }
-  if (input.publicKeyBase64 !== undefined) {
-    bodyParams["publicKeyBase64"] = input.publicKeyBase64;
-  }
-  return bodyParams;
+  return {
+    ...(input.keyPairName !== undefined && { keyPairName: input.keyPairName }),
+    ...(input.publicKeyBase64 !== undefined && {
+      publicKeyBase64: input.publicKeyBase64
+    })
+  };
 };
 
 const serializeAws_json1_1InstanceEntry = (
   input: InstanceEntry,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.availabilityZone !== undefined) {
-    bodyParams["availabilityZone"] = input.availabilityZone;
-  }
-  if (input.instanceType !== undefined) {
-    bodyParams["instanceType"] = input.instanceType;
-  }
-  if (input.portInfoSource !== undefined) {
-    bodyParams["portInfoSource"] = input.portInfoSource;
-  }
-  if (input.sourceName !== undefined) {
-    bodyParams["sourceName"] = input.sourceName;
-  }
-  if (input.userData !== undefined) {
-    bodyParams["userData"] = input.userData;
-  }
-  return bodyParams;
+  return {
+    ...(input.availabilityZone !== undefined && {
+      availabilityZone: input.availabilityZone
+    }),
+    ...(input.instanceType !== undefined && {
+      instanceType: input.instanceType
+    }),
+    ...(input.portInfoSource !== undefined && {
+      portInfoSource: input.portInfoSource
+    }),
+    ...(input.sourceName !== undefined && { sourceName: input.sourceName }),
+    ...(input.userData !== undefined && { userData: input.userData })
+  };
 };
 
 const serializeAws_json1_1InstanceEntryList = (
@@ -17373,8 +17182,7 @@ const serializeAws_json1_1IsVpcPeeredRequest = (
   input: IsVpcPeeredRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  return bodyParams;
+  return {};
 };
 
 const serializeAws_json1_1MetricStatisticList = (
@@ -17388,42 +17196,32 @@ const serializeAws_json1_1OpenInstancePublicPortsRequest = (
   input: OpenInstancePublicPortsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.instanceName !== undefined) {
-    bodyParams["instanceName"] = input.instanceName;
-  }
-  if (input.portInfo !== undefined) {
-    bodyParams["portInfo"] = serializeAws_json1_1PortInfo(
-      input.portInfo,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.instanceName !== undefined && {
+      instanceName: input.instanceName
+    }),
+    ...(input.portInfo !== undefined && {
+      portInfo: serializeAws_json1_1PortInfo(input.portInfo, context)
+    })
+  };
 };
 
 const serializeAws_json1_1PeerVpcRequest = (
   input: PeerVpcRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  return bodyParams;
+  return {};
 };
 
 const serializeAws_json1_1PortInfo = (
   input: PortInfo,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.fromPort !== undefined) {
-    bodyParams["fromPort"] = input.fromPort;
-  }
-  if (input.protocol !== undefined) {
-    bodyParams["protocol"] = input.protocol;
-  }
-  if (input.toPort !== undefined) {
-    bodyParams["toPort"] = input.toPort;
-  }
-  return bodyParams;
+  return {
+    ...(input.fromPort !== undefined && { fromPort: input.fromPort }),
+    ...(input.protocol !== undefined && { protocol: input.protocol }),
+    ...(input.toPort !== undefined && { toPort: input.toPort })
+  };
 };
 
 const serializeAws_json1_1PortInfoList = (
@@ -17437,71 +17235,60 @@ const serializeAws_json1_1PutInstancePublicPortsRequest = (
   input: PutInstancePublicPortsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.instanceName !== undefined) {
-    bodyParams["instanceName"] = input.instanceName;
-  }
-  if (input.portInfos !== undefined) {
-    bodyParams["portInfos"] = serializeAws_json1_1PortInfoList(
-      input.portInfos,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.instanceName !== undefined && {
+      instanceName: input.instanceName
+    }),
+    ...(input.portInfos !== undefined && {
+      portInfos: serializeAws_json1_1PortInfoList(input.portInfos, context)
+    })
+  };
 };
 
 const serializeAws_json1_1RebootInstanceRequest = (
   input: RebootInstanceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.instanceName !== undefined) {
-    bodyParams["instanceName"] = input.instanceName;
-  }
-  return bodyParams;
+  return {
+    ...(input.instanceName !== undefined && {
+      instanceName: input.instanceName
+    })
+  };
 };
 
 const serializeAws_json1_1RebootRelationalDatabaseRequest = (
   input: RebootRelationalDatabaseRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.relationalDatabaseName !== undefined) {
-    bodyParams["relationalDatabaseName"] = input.relationalDatabaseName;
-  }
-  return bodyParams;
+  return {
+    ...(input.relationalDatabaseName !== undefined && {
+      relationalDatabaseName: input.relationalDatabaseName
+    })
+  };
 };
 
 const serializeAws_json1_1RelationalDatabaseParameter = (
   input: RelationalDatabaseParameter,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.allowedValues !== undefined) {
-    bodyParams["allowedValues"] = input.allowedValues;
-  }
-  if (input.applyMethod !== undefined) {
-    bodyParams["applyMethod"] = input.applyMethod;
-  }
-  if (input.applyType !== undefined) {
-    bodyParams["applyType"] = input.applyType;
-  }
-  if (input.dataType !== undefined) {
-    bodyParams["dataType"] = input.dataType;
-  }
-  if (input.description !== undefined) {
-    bodyParams["description"] = input.description;
-  }
-  if (input.isModifiable !== undefined) {
-    bodyParams["isModifiable"] = input.isModifiable;
-  }
-  if (input.parameterName !== undefined) {
-    bodyParams["parameterName"] = input.parameterName;
-  }
-  if (input.parameterValue !== undefined) {
-    bodyParams["parameterValue"] = input.parameterValue;
-  }
-  return bodyParams;
+  return {
+    ...(input.allowedValues !== undefined && {
+      allowedValues: input.allowedValues
+    }),
+    ...(input.applyMethod !== undefined && { applyMethod: input.applyMethod }),
+    ...(input.applyType !== undefined && { applyType: input.applyType }),
+    ...(input.dataType !== undefined && { dataType: input.dataType }),
+    ...(input.description !== undefined && { description: input.description }),
+    ...(input.isModifiable !== undefined && {
+      isModifiable: input.isModifiable
+    }),
+    ...(input.parameterName !== undefined && {
+      parameterName: input.parameterName
+    }),
+    ...(input.parameterValue !== undefined && {
+      parameterValue: input.parameterValue
+    })
+  };
 };
 
 const serializeAws_json1_1RelationalDatabaseParameterList = (
@@ -17517,11 +17304,11 @@ const serializeAws_json1_1ReleaseStaticIpRequest = (
   input: ReleaseStaticIpRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.staticIpName !== undefined) {
-    bodyParams["staticIpName"] = input.staticIpName;
-  }
-  return bodyParams;
+  return {
+    ...(input.staticIpName !== undefined && {
+      staticIpName: input.staticIpName
+    })
+  };
 };
 
 const serializeAws_json1_1ResourceNameList = (
@@ -17535,51 +17322,48 @@ const serializeAws_json1_1StartInstanceRequest = (
   input: StartInstanceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.instanceName !== undefined) {
-    bodyParams["instanceName"] = input.instanceName;
-  }
-  return bodyParams;
+  return {
+    ...(input.instanceName !== undefined && {
+      instanceName: input.instanceName
+    })
+  };
 };
 
 const serializeAws_json1_1StartRelationalDatabaseRequest = (
   input: StartRelationalDatabaseRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.relationalDatabaseName !== undefined) {
-    bodyParams["relationalDatabaseName"] = input.relationalDatabaseName;
-  }
-  return bodyParams;
+  return {
+    ...(input.relationalDatabaseName !== undefined && {
+      relationalDatabaseName: input.relationalDatabaseName
+    })
+  };
 };
 
 const serializeAws_json1_1StopInstanceRequest = (
   input: StopInstanceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.force !== undefined) {
-    bodyParams["force"] = input.force;
-  }
-  if (input.instanceName !== undefined) {
-    bodyParams["instanceName"] = input.instanceName;
-  }
-  return bodyParams;
+  return {
+    ...(input.force !== undefined && { force: input.force }),
+    ...(input.instanceName !== undefined && {
+      instanceName: input.instanceName
+    })
+  };
 };
 
 const serializeAws_json1_1StopRelationalDatabaseRequest = (
   input: StopRelationalDatabaseRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.relationalDatabaseName !== undefined) {
-    bodyParams["relationalDatabaseName"] = input.relationalDatabaseName;
-  }
-  if (input.relationalDatabaseSnapshotName !== undefined) {
-    bodyParams["relationalDatabaseSnapshotName"] =
-      input.relationalDatabaseSnapshotName;
-  }
-  return bodyParams;
+  return {
+    ...(input.relationalDatabaseName !== undefined && {
+      relationalDatabaseName: input.relationalDatabaseName
+    }),
+    ...(input.relationalDatabaseSnapshotName !== undefined && {
+      relationalDatabaseSnapshotName: input.relationalDatabaseSnapshotName
+    })
+  };
 };
 
 const serializeAws_json1_1StringList = (
@@ -17590,14 +17374,10 @@ const serializeAws_json1_1StringList = (
 };
 
 const serializeAws_json1_1Tag = (input: Tag, context: __SerdeContext): any => {
-  const bodyParams: any = {};
-  if (input.key !== undefined) {
-    bodyParams["key"] = input.key;
-  }
-  if (input.value !== undefined) {
-    bodyParams["value"] = input.value;
-  }
-  return bodyParams;
+  return {
+    ...(input.key !== undefined && { key: input.key }),
+    ...(input.value !== undefined && { value: input.value })
+  };
 };
 
 const serializeAws_json1_1TagKeyList = (
@@ -17618,136 +17398,121 @@ const serializeAws_json1_1TagResourceRequest = (
   input: TagResourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.resourceArn !== undefined) {
-    bodyParams["resourceArn"] = input.resourceArn;
-  }
-  if (input.resourceName !== undefined) {
-    bodyParams["resourceName"] = input.resourceName;
-  }
-  if (input.tags !== undefined) {
-    bodyParams["tags"] = serializeAws_json1_1TagList(input.tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.resourceArn !== undefined && { resourceArn: input.resourceArn }),
+    ...(input.resourceName !== undefined && {
+      resourceName: input.resourceName
+    }),
+    ...(input.tags !== undefined && {
+      tags: serializeAws_json1_1TagList(input.tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1UnpeerVpcRequest = (
   input: UnpeerVpcRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  return bodyParams;
+  return {};
 };
 
 const serializeAws_json1_1UntagResourceRequest = (
   input: UntagResourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.resourceArn !== undefined) {
-    bodyParams["resourceArn"] = input.resourceArn;
-  }
-  if (input.resourceName !== undefined) {
-    bodyParams["resourceName"] = input.resourceName;
-  }
-  if (input.tagKeys !== undefined) {
-    bodyParams["tagKeys"] = serializeAws_json1_1TagKeyList(
-      input.tagKeys,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.resourceArn !== undefined && { resourceArn: input.resourceArn }),
+    ...(input.resourceName !== undefined && {
+      resourceName: input.resourceName
+    }),
+    ...(input.tagKeys !== undefined && {
+      tagKeys: serializeAws_json1_1TagKeyList(input.tagKeys, context)
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateDomainEntryRequest = (
   input: UpdateDomainEntryRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.domainEntry !== undefined) {
-    bodyParams["domainEntry"] = serializeAws_json1_1DomainEntry(
-      input.domainEntry,
-      context
-    );
-  }
-  if (input.domainName !== undefined) {
-    bodyParams["domainName"] = input.domainName;
-  }
-  return bodyParams;
+  return {
+    ...(input.domainEntry !== undefined && {
+      domainEntry: serializeAws_json1_1DomainEntry(input.domainEntry, context)
+    }),
+    ...(input.domainName !== undefined && { domainName: input.domainName })
+  };
 };
 
 const serializeAws_json1_1UpdateLoadBalancerAttributeRequest = (
   input: UpdateLoadBalancerAttributeRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.attributeName !== undefined) {
-    bodyParams["attributeName"] = input.attributeName;
-  }
-  if (input.attributeValue !== undefined) {
-    bodyParams["attributeValue"] = input.attributeValue;
-  }
-  if (input.loadBalancerName !== undefined) {
-    bodyParams["loadBalancerName"] = input.loadBalancerName;
-  }
-  return bodyParams;
+  return {
+    ...(input.attributeName !== undefined && {
+      attributeName: input.attributeName
+    }),
+    ...(input.attributeValue !== undefined && {
+      attributeValue: input.attributeValue
+    }),
+    ...(input.loadBalancerName !== undefined && {
+      loadBalancerName: input.loadBalancerName
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateRelationalDatabaseParametersRequest = (
   input: UpdateRelationalDatabaseParametersRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.parameters !== undefined) {
-    bodyParams[
-      "parameters"
-    ] = serializeAws_json1_1RelationalDatabaseParameterList(
-      input.parameters,
-      context
-    );
-  }
-  if (input.relationalDatabaseName !== undefined) {
-    bodyParams["relationalDatabaseName"] = input.relationalDatabaseName;
-  }
-  return bodyParams;
+  return {
+    ...(input.parameters !== undefined && {
+      parameters: serializeAws_json1_1RelationalDatabaseParameterList(
+        input.parameters,
+        context
+      )
+    }),
+    ...(input.relationalDatabaseName !== undefined && {
+      relationalDatabaseName: input.relationalDatabaseName
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateRelationalDatabaseRequest = (
   input: UpdateRelationalDatabaseRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.applyImmediately !== undefined) {
-    bodyParams["applyImmediately"] = input.applyImmediately;
-  }
-  if (input.caCertificateIdentifier !== undefined) {
-    bodyParams["caCertificateIdentifier"] = input.caCertificateIdentifier;
-  }
-  if (input.disableBackupRetention !== undefined) {
-    bodyParams["disableBackupRetention"] = input.disableBackupRetention;
-  }
-  if (input.enableBackupRetention !== undefined) {
-    bodyParams["enableBackupRetention"] = input.enableBackupRetention;
-  }
-  if (input.masterUserPassword !== undefined) {
-    bodyParams["masterUserPassword"] = input.masterUserPassword;
-  }
-  if (input.preferredBackupWindow !== undefined) {
-    bodyParams["preferredBackupWindow"] = input.preferredBackupWindow;
-  }
-  if (input.preferredMaintenanceWindow !== undefined) {
-    bodyParams["preferredMaintenanceWindow"] = input.preferredMaintenanceWindow;
-  }
-  if (input.publiclyAccessible !== undefined) {
-    bodyParams["publiclyAccessible"] = input.publiclyAccessible;
-  }
-  if (input.relationalDatabaseName !== undefined) {
-    bodyParams["relationalDatabaseName"] = input.relationalDatabaseName;
-  }
-  if (input.rotateMasterUserPassword !== undefined) {
-    bodyParams["rotateMasterUserPassword"] = input.rotateMasterUserPassword;
-  }
-  return bodyParams;
+  return {
+    ...(input.applyImmediately !== undefined && {
+      applyImmediately: input.applyImmediately
+    }),
+    ...(input.caCertificateIdentifier !== undefined && {
+      caCertificateIdentifier: input.caCertificateIdentifier
+    }),
+    ...(input.disableBackupRetention !== undefined && {
+      disableBackupRetention: input.disableBackupRetention
+    }),
+    ...(input.enableBackupRetention !== undefined && {
+      enableBackupRetention: input.enableBackupRetention
+    }),
+    ...(input.masterUserPassword !== undefined && {
+      masterUserPassword: input.masterUserPassword
+    }),
+    ...(input.preferredBackupWindow !== undefined && {
+      preferredBackupWindow: input.preferredBackupWindow
+    }),
+    ...(input.preferredMaintenanceWindow !== undefined && {
+      preferredMaintenanceWindow: input.preferredMaintenanceWindow
+    }),
+    ...(input.publiclyAccessible !== undefined && {
+      publiclyAccessible: input.publiclyAccessible
+    }),
+    ...(input.relationalDatabaseName !== undefined && {
+      relationalDatabaseName: input.relationalDatabaseName
+    }),
+    ...(input.rotateMasterUserPassword !== undefined && {
+      rotateMasterUserPassword: input.rotateMasterUserPassword
+    })
+  };
 };
 
 const deserializeAws_json1_1AccessDeniedException = (
diff --git a/clients/client-machine-learning/protocols/Aws_json1_1.ts b/clients/client-machine-learning/protocols/Aws_json1_1.ts
index b930953d8374..43884062044c 100644
--- a/clients/client-machine-learning/protocols/Aws_json1_1.ts
+++ b/clients/client-machine-learning/protocols/Aws_json1_1.ts
@@ -3103,432 +3103,307 @@ const serializeAws_json1_1AddTagsInput = (
   input: AddTagsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceId !== undefined) {
-    bodyParams["ResourceId"] = input.ResourceId;
-  }
-  if (input.ResourceType !== undefined) {
-    bodyParams["ResourceType"] = input.ResourceType;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagList(input.Tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceId !== undefined && { ResourceId: input.ResourceId }),
+    ...(input.ResourceType !== undefined && {
+      ResourceType: input.ResourceType
+    }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagList(input.Tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1CreateBatchPredictionInput = (
   input: CreateBatchPredictionInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.BatchPredictionDataSourceId !== undefined) {
-    bodyParams["BatchPredictionDataSourceId"] =
-      input.BatchPredictionDataSourceId;
-  }
-  if (input.BatchPredictionId !== undefined) {
-    bodyParams["BatchPredictionId"] = input.BatchPredictionId;
-  }
-  if (input.BatchPredictionName !== undefined) {
-    bodyParams["BatchPredictionName"] = input.BatchPredictionName;
-  }
-  if (input.MLModelId !== undefined) {
-    bodyParams["MLModelId"] = input.MLModelId;
-  }
-  if (input.OutputUri !== undefined) {
-    bodyParams["OutputUri"] = input.OutputUri;
-  }
-  return bodyParams;
+  return {
+    ...(input.BatchPredictionDataSourceId !== undefined && {
+      BatchPredictionDataSourceId: input.BatchPredictionDataSourceId
+    }),
+    ...(input.BatchPredictionId !== undefined && {
+      BatchPredictionId: input.BatchPredictionId
+    }),
+    ...(input.BatchPredictionName !== undefined && {
+      BatchPredictionName: input.BatchPredictionName
+    }),
+    ...(input.MLModelId !== undefined && { MLModelId: input.MLModelId }),
+    ...(input.OutputUri !== undefined && { OutputUri: input.OutputUri })
+  };
 };
 
 const serializeAws_json1_1CreateDataSourceFromRDSInput = (
   input: CreateDataSourceFromRDSInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ComputeStatistics !== undefined) {
-    bodyParams["ComputeStatistics"] = input.ComputeStatistics;
-  }
-  if (input.DataSourceId !== undefined) {
-    bodyParams["DataSourceId"] = input.DataSourceId;
-  }
-  if (input.DataSourceName !== undefined) {
-    bodyParams["DataSourceName"] = input.DataSourceName;
-  }
-  if (input.RDSData !== undefined) {
-    bodyParams["RDSData"] = serializeAws_json1_1RDSDataSpec(
-      input.RDSData,
-      context
-    );
-  }
-  if (input.RoleARN !== undefined) {
-    bodyParams["RoleARN"] = input.RoleARN;
-  }
-  return bodyParams;
+  return {
+    ...(input.ComputeStatistics !== undefined && {
+      ComputeStatistics: input.ComputeStatistics
+    }),
+    ...(input.DataSourceId !== undefined && {
+      DataSourceId: input.DataSourceId
+    }),
+    ...(input.DataSourceName !== undefined && {
+      DataSourceName: input.DataSourceName
+    }),
+    ...(input.RDSData !== undefined && {
+      RDSData: serializeAws_json1_1RDSDataSpec(input.RDSData, context)
+    }),
+    ...(input.RoleARN !== undefined && { RoleARN: input.RoleARN })
+  };
 };
 
 const serializeAws_json1_1CreateDataSourceFromRedshiftInput = (
   input: CreateDataSourceFromRedshiftInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ComputeStatistics !== undefined) {
-    bodyParams["ComputeStatistics"] = input.ComputeStatistics;
-  }
-  if (input.DataSourceId !== undefined) {
-    bodyParams["DataSourceId"] = input.DataSourceId;
-  }
-  if (input.DataSourceName !== undefined) {
-    bodyParams["DataSourceName"] = input.DataSourceName;
-  }
-  if (input.DataSpec !== undefined) {
-    bodyParams["DataSpec"] = serializeAws_json1_1RedshiftDataSpec(
-      input.DataSpec,
-      context
-    );
-  }
-  if (input.RoleARN !== undefined) {
-    bodyParams["RoleARN"] = input.RoleARN;
-  }
-  return bodyParams;
+  return {
+    ...(input.ComputeStatistics !== undefined && {
+      ComputeStatistics: input.ComputeStatistics
+    }),
+    ...(input.DataSourceId !== undefined && {
+      DataSourceId: input.DataSourceId
+    }),
+    ...(input.DataSourceName !== undefined && {
+      DataSourceName: input.DataSourceName
+    }),
+    ...(input.DataSpec !== undefined && {
+      DataSpec: serializeAws_json1_1RedshiftDataSpec(input.DataSpec, context)
+    }),
+    ...(input.RoleARN !== undefined && { RoleARN: input.RoleARN })
+  };
 };
 
 const serializeAws_json1_1CreateDataSourceFromS3Input = (
   input: CreateDataSourceFromS3Input,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ComputeStatistics !== undefined) {
-    bodyParams["ComputeStatistics"] = input.ComputeStatistics;
-  }
-  if (input.DataSourceId !== undefined) {
-    bodyParams["DataSourceId"] = input.DataSourceId;
-  }
-  if (input.DataSourceName !== undefined) {
-    bodyParams["DataSourceName"] = input.DataSourceName;
-  }
-  if (input.DataSpec !== undefined) {
-    bodyParams["DataSpec"] = serializeAws_json1_1S3DataSpec(
-      input.DataSpec,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ComputeStatistics !== undefined && {
+      ComputeStatistics: input.ComputeStatistics
+    }),
+    ...(input.DataSourceId !== undefined && {
+      DataSourceId: input.DataSourceId
+    }),
+    ...(input.DataSourceName !== undefined && {
+      DataSourceName: input.DataSourceName
+    }),
+    ...(input.DataSpec !== undefined && {
+      DataSpec: serializeAws_json1_1S3DataSpec(input.DataSpec, context)
+    })
+  };
 };
 
 const serializeAws_json1_1CreateEvaluationInput = (
   input: CreateEvaluationInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EvaluationDataSourceId !== undefined) {
-    bodyParams["EvaluationDataSourceId"] = input.EvaluationDataSourceId;
-  }
-  if (input.EvaluationId !== undefined) {
-    bodyParams["EvaluationId"] = input.EvaluationId;
-  }
-  if (input.EvaluationName !== undefined) {
-    bodyParams["EvaluationName"] = input.EvaluationName;
-  }
-  if (input.MLModelId !== undefined) {
-    bodyParams["MLModelId"] = input.MLModelId;
-  }
-  return bodyParams;
+  return {
+    ...(input.EvaluationDataSourceId !== undefined && {
+      EvaluationDataSourceId: input.EvaluationDataSourceId
+    }),
+    ...(input.EvaluationId !== undefined && {
+      EvaluationId: input.EvaluationId
+    }),
+    ...(input.EvaluationName !== undefined && {
+      EvaluationName: input.EvaluationName
+    }),
+    ...(input.MLModelId !== undefined && { MLModelId: input.MLModelId })
+  };
 };
 
 const serializeAws_json1_1CreateMLModelInput = (
   input: CreateMLModelInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MLModelId !== undefined) {
-    bodyParams["MLModelId"] = input.MLModelId;
-  }
-  if (input.MLModelName !== undefined) {
-    bodyParams["MLModelName"] = input.MLModelName;
-  }
-  if (input.MLModelType !== undefined) {
-    bodyParams["MLModelType"] = input.MLModelType;
-  }
-  if (input.Parameters !== undefined) {
-    bodyParams["Parameters"] = serializeAws_json1_1TrainingParameters(
-      input.Parameters,
-      context
-    );
-  }
-  if (input.Recipe !== undefined) {
-    bodyParams["Recipe"] = input.Recipe;
-  }
-  if (input.RecipeUri !== undefined) {
-    bodyParams["RecipeUri"] = input.RecipeUri;
-  }
-  if (input.TrainingDataSourceId !== undefined) {
-    bodyParams["TrainingDataSourceId"] = input.TrainingDataSourceId;
-  }
-  return bodyParams;
+  return {
+    ...(input.MLModelId !== undefined && { MLModelId: input.MLModelId }),
+    ...(input.MLModelName !== undefined && { MLModelName: input.MLModelName }),
+    ...(input.MLModelType !== undefined && { MLModelType: input.MLModelType }),
+    ...(input.Parameters !== undefined && {
+      Parameters: serializeAws_json1_1TrainingParameters(
+        input.Parameters,
+        context
+      )
+    }),
+    ...(input.Recipe !== undefined && { Recipe: input.Recipe }),
+    ...(input.RecipeUri !== undefined && { RecipeUri: input.RecipeUri }),
+    ...(input.TrainingDataSourceId !== undefined && {
+      TrainingDataSourceId: input.TrainingDataSourceId
+    })
+  };
 };
 
 const serializeAws_json1_1CreateRealtimeEndpointInput = (
   input: CreateRealtimeEndpointInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MLModelId !== undefined) {
-    bodyParams["MLModelId"] = input.MLModelId;
-  }
-  return bodyParams;
+  return {
+    ...(input.MLModelId !== undefined && { MLModelId: input.MLModelId })
+  };
 };
 
 const serializeAws_json1_1DeleteBatchPredictionInput = (
   input: DeleteBatchPredictionInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.BatchPredictionId !== undefined) {
-    bodyParams["BatchPredictionId"] = input.BatchPredictionId;
-  }
-  return bodyParams;
+  return {
+    ...(input.BatchPredictionId !== undefined && {
+      BatchPredictionId: input.BatchPredictionId
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteDataSourceInput = (
   input: DeleteDataSourceInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DataSourceId !== undefined) {
-    bodyParams["DataSourceId"] = input.DataSourceId;
-  }
-  return bodyParams;
+  return {
+    ...(input.DataSourceId !== undefined && {
+      DataSourceId: input.DataSourceId
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteEvaluationInput = (
   input: DeleteEvaluationInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EvaluationId !== undefined) {
-    bodyParams["EvaluationId"] = input.EvaluationId;
-  }
-  return bodyParams;
+  return {
+    ...(input.EvaluationId !== undefined && {
+      EvaluationId: input.EvaluationId
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteMLModelInput = (
   input: DeleteMLModelInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MLModelId !== undefined) {
-    bodyParams["MLModelId"] = input.MLModelId;
-  }
-  return bodyParams;
+  return {
+    ...(input.MLModelId !== undefined && { MLModelId: input.MLModelId })
+  };
 };
 
 const serializeAws_json1_1DeleteRealtimeEndpointInput = (
   input: DeleteRealtimeEndpointInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MLModelId !== undefined) {
-    bodyParams["MLModelId"] = input.MLModelId;
-  }
-  return bodyParams;
+  return {
+    ...(input.MLModelId !== undefined && { MLModelId: input.MLModelId })
+  };
 };
 
 const serializeAws_json1_1DeleteTagsInput = (
   input: DeleteTagsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceId !== undefined) {
-    bodyParams["ResourceId"] = input.ResourceId;
-  }
-  if (input.ResourceType !== undefined) {
-    bodyParams["ResourceType"] = input.ResourceType;
-  }
-  if (input.TagKeys !== undefined) {
-    bodyParams["TagKeys"] = serializeAws_json1_1TagKeyList(
-      input.TagKeys,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceId !== undefined && { ResourceId: input.ResourceId }),
+    ...(input.ResourceType !== undefined && {
+      ResourceType: input.ResourceType
+    }),
+    ...(input.TagKeys !== undefined && {
+      TagKeys: serializeAws_json1_1TagKeyList(input.TagKeys, context)
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeBatchPredictionsInput = (
   input: DescribeBatchPredictionsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EQ !== undefined) {
-    bodyParams["EQ"] = input.EQ;
-  }
-  if (input.FilterVariable !== undefined) {
-    bodyParams["FilterVariable"] = input.FilterVariable;
-  }
-  if (input.GE !== undefined) {
-    bodyParams["GE"] = input.GE;
-  }
-  if (input.GT !== undefined) {
-    bodyParams["GT"] = input.GT;
-  }
-  if (input.LE !== undefined) {
-    bodyParams["LE"] = input.LE;
-  }
-  if (input.LT !== undefined) {
-    bodyParams["LT"] = input.LT;
-  }
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.NE !== undefined) {
-    bodyParams["NE"] = input.NE;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.Prefix !== undefined) {
-    bodyParams["Prefix"] = input.Prefix;
-  }
-  if (input.SortOrder !== undefined) {
-    bodyParams["SortOrder"] = input.SortOrder;
-  }
-  return bodyParams;
+  return {
+    ...(input.EQ !== undefined && { EQ: input.EQ }),
+    ...(input.FilterVariable !== undefined && {
+      FilterVariable: input.FilterVariable
+    }),
+    ...(input.GE !== undefined && { GE: input.GE }),
+    ...(input.GT !== undefined && { GT: input.GT }),
+    ...(input.LE !== undefined && { LE: input.LE }),
+    ...(input.LT !== undefined && { LT: input.LT }),
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.NE !== undefined && { NE: input.NE }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.Prefix !== undefined && { Prefix: input.Prefix }),
+    ...(input.SortOrder !== undefined && { SortOrder: input.SortOrder })
+  };
 };
 
 const serializeAws_json1_1DescribeDataSourcesInput = (
   input: DescribeDataSourcesInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EQ !== undefined) {
-    bodyParams["EQ"] = input.EQ;
-  }
-  if (input.FilterVariable !== undefined) {
-    bodyParams["FilterVariable"] = input.FilterVariable;
-  }
-  if (input.GE !== undefined) {
-    bodyParams["GE"] = input.GE;
-  }
-  if (input.GT !== undefined) {
-    bodyParams["GT"] = input.GT;
-  }
-  if (input.LE !== undefined) {
-    bodyParams["LE"] = input.LE;
-  }
-  if (input.LT !== undefined) {
-    bodyParams["LT"] = input.LT;
-  }
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.NE !== undefined) {
-    bodyParams["NE"] = input.NE;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.Prefix !== undefined) {
-    bodyParams["Prefix"] = input.Prefix;
-  }
-  if (input.SortOrder !== undefined) {
-    bodyParams["SortOrder"] = input.SortOrder;
-  }
-  return bodyParams;
+  return {
+    ...(input.EQ !== undefined && { EQ: input.EQ }),
+    ...(input.FilterVariable !== undefined && {
+      FilterVariable: input.FilterVariable
+    }),
+    ...(input.GE !== undefined && { GE: input.GE }),
+    ...(input.GT !== undefined && { GT: input.GT }),
+    ...(input.LE !== undefined && { LE: input.LE }),
+    ...(input.LT !== undefined && { LT: input.LT }),
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.NE !== undefined && { NE: input.NE }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.Prefix !== undefined && { Prefix: input.Prefix }),
+    ...(input.SortOrder !== undefined && { SortOrder: input.SortOrder })
+  };
 };
 
 const serializeAws_json1_1DescribeEvaluationsInput = (
   input: DescribeEvaluationsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EQ !== undefined) {
-    bodyParams["EQ"] = input.EQ;
-  }
-  if (input.FilterVariable !== undefined) {
-    bodyParams["FilterVariable"] = input.FilterVariable;
-  }
-  if (input.GE !== undefined) {
-    bodyParams["GE"] = input.GE;
-  }
-  if (input.GT !== undefined) {
-    bodyParams["GT"] = input.GT;
-  }
-  if (input.LE !== undefined) {
-    bodyParams["LE"] = input.LE;
-  }
-  if (input.LT !== undefined) {
-    bodyParams["LT"] = input.LT;
-  }
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.NE !== undefined) {
-    bodyParams["NE"] = input.NE;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.Prefix !== undefined) {
-    bodyParams["Prefix"] = input.Prefix;
-  }
-  if (input.SortOrder !== undefined) {
-    bodyParams["SortOrder"] = input.SortOrder;
-  }
-  return bodyParams;
+  return {
+    ...(input.EQ !== undefined && { EQ: input.EQ }),
+    ...(input.FilterVariable !== undefined && {
+      FilterVariable: input.FilterVariable
+    }),
+    ...(input.GE !== undefined && { GE: input.GE }),
+    ...(input.GT !== undefined && { GT: input.GT }),
+    ...(input.LE !== undefined && { LE: input.LE }),
+    ...(input.LT !== undefined && { LT: input.LT }),
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.NE !== undefined && { NE: input.NE }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.Prefix !== undefined && { Prefix: input.Prefix }),
+    ...(input.SortOrder !== undefined && { SortOrder: input.SortOrder })
+  };
 };
 
 const serializeAws_json1_1DescribeMLModelsInput = (
   input: DescribeMLModelsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EQ !== undefined) {
-    bodyParams["EQ"] = input.EQ;
-  }
-  if (input.FilterVariable !== undefined) {
-    bodyParams["FilterVariable"] = input.FilterVariable;
-  }
-  if (input.GE !== undefined) {
-    bodyParams["GE"] = input.GE;
-  }
-  if (input.GT !== undefined) {
-    bodyParams["GT"] = input.GT;
-  }
-  if (input.LE !== undefined) {
-    bodyParams["LE"] = input.LE;
-  }
-  if (input.LT !== undefined) {
-    bodyParams["LT"] = input.LT;
-  }
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.NE !== undefined) {
-    bodyParams["NE"] = input.NE;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.Prefix !== undefined) {
-    bodyParams["Prefix"] = input.Prefix;
-  }
-  if (input.SortOrder !== undefined) {
-    bodyParams["SortOrder"] = input.SortOrder;
-  }
-  return bodyParams;
+  return {
+    ...(input.EQ !== undefined && { EQ: input.EQ }),
+    ...(input.FilterVariable !== undefined && {
+      FilterVariable: input.FilterVariable
+    }),
+    ...(input.GE !== undefined && { GE: input.GE }),
+    ...(input.GT !== undefined && { GT: input.GT }),
+    ...(input.LE !== undefined && { LE: input.LE }),
+    ...(input.LT !== undefined && { LT: input.LT }),
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.NE !== undefined && { NE: input.NE }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.Prefix !== undefined && { Prefix: input.Prefix }),
+    ...(input.SortOrder !== undefined && { SortOrder: input.SortOrder })
+  };
 };
 
 const serializeAws_json1_1DescribeTagsInput = (
   input: DescribeTagsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceId !== undefined) {
-    bodyParams["ResourceId"] = input.ResourceId;
-  }
-  if (input.ResourceType !== undefined) {
-    bodyParams["ResourceType"] = input.ResourceType;
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceId !== undefined && { ResourceId: input.ResourceId }),
+    ...(input.ResourceType !== undefined && {
+      ResourceType: input.ResourceType
+    })
+  };
 };
 
 const serializeAws_json1_1EDPSecurityGroupIds = (
@@ -3542,147 +3417,127 @@ const serializeAws_json1_1GetBatchPredictionInput = (
   input: GetBatchPredictionInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.BatchPredictionId !== undefined) {
-    bodyParams["BatchPredictionId"] = input.BatchPredictionId;
-  }
-  return bodyParams;
+  return {
+    ...(input.BatchPredictionId !== undefined && {
+      BatchPredictionId: input.BatchPredictionId
+    })
+  };
 };
 
 const serializeAws_json1_1GetDataSourceInput = (
   input: GetDataSourceInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DataSourceId !== undefined) {
-    bodyParams["DataSourceId"] = input.DataSourceId;
-  }
-  if (input.Verbose !== undefined) {
-    bodyParams["Verbose"] = input.Verbose;
-  }
-  return bodyParams;
+  return {
+    ...(input.DataSourceId !== undefined && {
+      DataSourceId: input.DataSourceId
+    }),
+    ...(input.Verbose !== undefined && { Verbose: input.Verbose })
+  };
 };
 
 const serializeAws_json1_1GetEvaluationInput = (
   input: GetEvaluationInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EvaluationId !== undefined) {
-    bodyParams["EvaluationId"] = input.EvaluationId;
-  }
-  return bodyParams;
+  return {
+    ...(input.EvaluationId !== undefined && {
+      EvaluationId: input.EvaluationId
+    })
+  };
 };
 
 const serializeAws_json1_1GetMLModelInput = (
   input: GetMLModelInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MLModelId !== undefined) {
-    bodyParams["MLModelId"] = input.MLModelId;
-  }
-  if (input.Verbose !== undefined) {
-    bodyParams["Verbose"] = input.Verbose;
-  }
-  return bodyParams;
+  return {
+    ...(input.MLModelId !== undefined && { MLModelId: input.MLModelId }),
+    ...(input.Verbose !== undefined && { Verbose: input.Verbose })
+  };
 };
 
 const serializeAws_json1_1PredictInput = (
   input: PredictInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MLModelId !== undefined) {
-    bodyParams["MLModelId"] = input.MLModelId;
-  }
-  if (input.PredictEndpoint !== undefined) {
-    bodyParams["PredictEndpoint"] = input.PredictEndpoint;
-  }
-  if (input.Record !== undefined) {
-    bodyParams["Record"] = serializeAws_json1_1Record(input.Record, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.MLModelId !== undefined && { MLModelId: input.MLModelId }),
+    ...(input.PredictEndpoint !== undefined && {
+      PredictEndpoint: input.PredictEndpoint
+    }),
+    ...(input.Record !== undefined && {
+      Record: serializeAws_json1_1Record(input.Record, context)
+    })
+  };
 };
 
 const serializeAws_json1_1RDSDataSpec = (
   input: RDSDataSpec,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DataRearrangement !== undefined) {
-    bodyParams["DataRearrangement"] = input.DataRearrangement;
-  }
-  if (input.DataSchema !== undefined) {
-    bodyParams["DataSchema"] = input.DataSchema;
-  }
-  if (input.DataSchemaUri !== undefined) {
-    bodyParams["DataSchemaUri"] = input.DataSchemaUri;
-  }
-  if (input.DatabaseCredentials !== undefined) {
-    bodyParams[
-      "DatabaseCredentials"
-    ] = serializeAws_json1_1RDSDatabaseCredentials(
-      input.DatabaseCredentials,
-      context
-    );
-  }
-  if (input.DatabaseInformation !== undefined) {
-    bodyParams["DatabaseInformation"] = serializeAws_json1_1RDSDatabase(
-      input.DatabaseInformation,
-      context
-    );
-  }
-  if (input.ResourceRole !== undefined) {
-    bodyParams["ResourceRole"] = input.ResourceRole;
-  }
-  if (input.S3StagingLocation !== undefined) {
-    bodyParams["S3StagingLocation"] = input.S3StagingLocation;
-  }
-  if (input.SecurityGroupIds !== undefined) {
-    bodyParams["SecurityGroupIds"] = serializeAws_json1_1EDPSecurityGroupIds(
-      input.SecurityGroupIds,
-      context
-    );
-  }
-  if (input.SelectSqlQuery !== undefined) {
-    bodyParams["SelectSqlQuery"] = input.SelectSqlQuery;
-  }
-  if (input.ServiceRole !== undefined) {
-    bodyParams["ServiceRole"] = input.ServiceRole;
-  }
-  if (input.SubnetId !== undefined) {
-    bodyParams["SubnetId"] = input.SubnetId;
-  }
-  return bodyParams;
+  return {
+    ...(input.DataRearrangement !== undefined && {
+      DataRearrangement: input.DataRearrangement
+    }),
+    ...(input.DataSchema !== undefined && { DataSchema: input.DataSchema }),
+    ...(input.DataSchemaUri !== undefined && {
+      DataSchemaUri: input.DataSchemaUri
+    }),
+    ...(input.DatabaseCredentials !== undefined && {
+      DatabaseCredentials: serializeAws_json1_1RDSDatabaseCredentials(
+        input.DatabaseCredentials,
+        context
+      )
+    }),
+    ...(input.DatabaseInformation !== undefined && {
+      DatabaseInformation: serializeAws_json1_1RDSDatabase(
+        input.DatabaseInformation,
+        context
+      )
+    }),
+    ...(input.ResourceRole !== undefined && {
+      ResourceRole: input.ResourceRole
+    }),
+    ...(input.S3StagingLocation !== undefined && {
+      S3StagingLocation: input.S3StagingLocation
+    }),
+    ...(input.SecurityGroupIds !== undefined && {
+      SecurityGroupIds: serializeAws_json1_1EDPSecurityGroupIds(
+        input.SecurityGroupIds,
+        context
+      )
+    }),
+    ...(input.SelectSqlQuery !== undefined && {
+      SelectSqlQuery: input.SelectSqlQuery
+    }),
+    ...(input.ServiceRole !== undefined && { ServiceRole: input.ServiceRole }),
+    ...(input.SubnetId !== undefined && { SubnetId: input.SubnetId })
+  };
 };
 
 const serializeAws_json1_1RDSDatabase = (
   input: RDSDatabase,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DatabaseName !== undefined) {
-    bodyParams["DatabaseName"] = input.DatabaseName;
-  }
-  if (input.InstanceIdentifier !== undefined) {
-    bodyParams["InstanceIdentifier"] = input.InstanceIdentifier;
-  }
-  return bodyParams;
+  return {
+    ...(input.DatabaseName !== undefined && {
+      DatabaseName: input.DatabaseName
+    }),
+    ...(input.InstanceIdentifier !== undefined && {
+      InstanceIdentifier: input.InstanceIdentifier
+    })
+  };
 };
 
 const serializeAws_json1_1RDSDatabaseCredentials = (
   input: RDSDatabaseCredentials,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Password !== undefined) {
-    bodyParams["Password"] = input.Password;
-  }
-  if (input.Username !== undefined) {
-    bodyParams["Username"] = input.Username;
-  }
-  return bodyParams;
+  return {
+    ...(input.Password !== undefined && { Password: input.Password }),
+    ...(input.Username !== undefined && { Username: input.Username })
+  };
 };
 
 const serializeAws_json1_1Record = (
@@ -3699,96 +3554,82 @@ const serializeAws_json1_1RedshiftDataSpec = (
   input: RedshiftDataSpec,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DataRearrangement !== undefined) {
-    bodyParams["DataRearrangement"] = input.DataRearrangement;
-  }
-  if (input.DataSchema !== undefined) {
-    bodyParams["DataSchema"] = input.DataSchema;
-  }
-  if (input.DataSchemaUri !== undefined) {
-    bodyParams["DataSchemaUri"] = input.DataSchemaUri;
-  }
-  if (input.DatabaseCredentials !== undefined) {
-    bodyParams[
-      "DatabaseCredentials"
-    ] = serializeAws_json1_1RedshiftDatabaseCredentials(
-      input.DatabaseCredentials,
-      context
-    );
-  }
-  if (input.DatabaseInformation !== undefined) {
-    bodyParams["DatabaseInformation"] = serializeAws_json1_1RedshiftDatabase(
-      input.DatabaseInformation,
-      context
-    );
-  }
-  if (input.S3StagingLocation !== undefined) {
-    bodyParams["S3StagingLocation"] = input.S3StagingLocation;
-  }
-  if (input.SelectSqlQuery !== undefined) {
-    bodyParams["SelectSqlQuery"] = input.SelectSqlQuery;
-  }
-  return bodyParams;
+  return {
+    ...(input.DataRearrangement !== undefined && {
+      DataRearrangement: input.DataRearrangement
+    }),
+    ...(input.DataSchema !== undefined && { DataSchema: input.DataSchema }),
+    ...(input.DataSchemaUri !== undefined && {
+      DataSchemaUri: input.DataSchemaUri
+    }),
+    ...(input.DatabaseCredentials !== undefined && {
+      DatabaseCredentials: serializeAws_json1_1RedshiftDatabaseCredentials(
+        input.DatabaseCredentials,
+        context
+      )
+    }),
+    ...(input.DatabaseInformation !== undefined && {
+      DatabaseInformation: serializeAws_json1_1RedshiftDatabase(
+        input.DatabaseInformation,
+        context
+      )
+    }),
+    ...(input.S3StagingLocation !== undefined && {
+      S3StagingLocation: input.S3StagingLocation
+    }),
+    ...(input.SelectSqlQuery !== undefined && {
+      SelectSqlQuery: input.SelectSqlQuery
+    })
+  };
 };
 
 const serializeAws_json1_1RedshiftDatabase = (
   input: RedshiftDatabase,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ClusterIdentifier !== undefined) {
-    bodyParams["ClusterIdentifier"] = input.ClusterIdentifier;
-  }
-  if (input.DatabaseName !== undefined) {
-    bodyParams["DatabaseName"] = input.DatabaseName;
-  }
-  return bodyParams;
+  return {
+    ...(input.ClusterIdentifier !== undefined && {
+      ClusterIdentifier: input.ClusterIdentifier
+    }),
+    ...(input.DatabaseName !== undefined && {
+      DatabaseName: input.DatabaseName
+    })
+  };
 };
 
 const serializeAws_json1_1RedshiftDatabaseCredentials = (
   input: RedshiftDatabaseCredentials,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Password !== undefined) {
-    bodyParams["Password"] = input.Password;
-  }
-  if (input.Username !== undefined) {
-    bodyParams["Username"] = input.Username;
-  }
-  return bodyParams;
+  return {
+    ...(input.Password !== undefined && { Password: input.Password }),
+    ...(input.Username !== undefined && { Username: input.Username })
+  };
 };
 
 const serializeAws_json1_1S3DataSpec = (
   input: S3DataSpec,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DataLocationS3 !== undefined) {
-    bodyParams["DataLocationS3"] = input.DataLocationS3;
-  }
-  if (input.DataRearrangement !== undefined) {
-    bodyParams["DataRearrangement"] = input.DataRearrangement;
-  }
-  if (input.DataSchema !== undefined) {
-    bodyParams["DataSchema"] = input.DataSchema;
-  }
-  if (input.DataSchemaLocationS3 !== undefined) {
-    bodyParams["DataSchemaLocationS3"] = input.DataSchemaLocationS3;
-  }
-  return bodyParams;
+  return {
+    ...(input.DataLocationS3 !== undefined && {
+      DataLocationS3: input.DataLocationS3
+    }),
+    ...(input.DataRearrangement !== undefined && {
+      DataRearrangement: input.DataRearrangement
+    }),
+    ...(input.DataSchema !== undefined && { DataSchema: input.DataSchema }),
+    ...(input.DataSchemaLocationS3 !== undefined && {
+      DataSchemaLocationS3: input.DataSchemaLocationS3
+    })
+  };
 };
 
 const serializeAws_json1_1Tag = (input: Tag, context: __SerdeContext): any => {
-  const bodyParams: any = {};
-  if (input.Key !== undefined) {
-    bodyParams["Key"] = input.Key;
-  }
-  if (input.Value !== undefined) {
-    bodyParams["Value"] = input.Value;
-  }
-  return bodyParams;
+  return {
+    ...(input.Key !== undefined && { Key: input.Key }),
+    ...(input.Value !== undefined && { Value: input.Value })
+  };
 };
 
 const serializeAws_json1_1TagKeyList = (
@@ -3819,59 +3660,55 @@ const serializeAws_json1_1UpdateBatchPredictionInput = (
   input: UpdateBatchPredictionInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.BatchPredictionId !== undefined) {
-    bodyParams["BatchPredictionId"] = input.BatchPredictionId;
-  }
-  if (input.BatchPredictionName !== undefined) {
-    bodyParams["BatchPredictionName"] = input.BatchPredictionName;
-  }
-  return bodyParams;
+  return {
+    ...(input.BatchPredictionId !== undefined && {
+      BatchPredictionId: input.BatchPredictionId
+    }),
+    ...(input.BatchPredictionName !== undefined && {
+      BatchPredictionName: input.BatchPredictionName
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateDataSourceInput = (
   input: UpdateDataSourceInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DataSourceId !== undefined) {
-    bodyParams["DataSourceId"] = input.DataSourceId;
-  }
-  if (input.DataSourceName !== undefined) {
-    bodyParams["DataSourceName"] = input.DataSourceName;
-  }
-  return bodyParams;
+  return {
+    ...(input.DataSourceId !== undefined && {
+      DataSourceId: input.DataSourceId
+    }),
+    ...(input.DataSourceName !== undefined && {
+      DataSourceName: input.DataSourceName
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateEvaluationInput = (
   input: UpdateEvaluationInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EvaluationId !== undefined) {
-    bodyParams["EvaluationId"] = input.EvaluationId;
-  }
-  if (input.EvaluationName !== undefined) {
-    bodyParams["EvaluationName"] = input.EvaluationName;
-  }
-  return bodyParams;
+  return {
+    ...(input.EvaluationId !== undefined && {
+      EvaluationId: input.EvaluationId
+    }),
+    ...(input.EvaluationName !== undefined && {
+      EvaluationName: input.EvaluationName
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateMLModelInput = (
   input: UpdateMLModelInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MLModelId !== undefined) {
-    bodyParams["MLModelId"] = input.MLModelId;
-  }
-  if (input.MLModelName !== undefined) {
-    bodyParams["MLModelName"] = input.MLModelName;
-  }
-  if (input.ScoreThreshold !== undefined) {
-    bodyParams["ScoreThreshold"] = input.ScoreThreshold;
-  }
-  return bodyParams;
+  return {
+    ...(input.MLModelId !== undefined && { MLModelId: input.MLModelId }),
+    ...(input.MLModelName !== undefined && { MLModelName: input.MLModelName }),
+    ...(input.ScoreThreshold !== undefined && {
+      ScoreThreshold: input.ScoreThreshold
+    })
+  };
 };
 
 const deserializeAws_json1_1AddTagsOutput = (
diff --git a/clients/client-macie/protocols/Aws_json1_1.ts b/clients/client-macie/protocols/Aws_json1_1.ts
index 38e89db71b3c..8ad26990b4bb 100644
--- a/clients/client-macie/protocols/Aws_json1_1.ts
+++ b/clients/client-macie/protocols/Aws_json1_1.ts
@@ -815,171 +815,141 @@ const serializeAws_json1_1AssociateMemberAccountRequest = (
   input: AssociateMemberAccountRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.memberAccountId !== undefined) {
-    bodyParams["memberAccountId"] = input.memberAccountId;
-  }
-  return bodyParams;
+  return {
+    ...(input.memberAccountId !== undefined && {
+      memberAccountId: input.memberAccountId
+    })
+  };
 };
 
 const serializeAws_json1_1AssociateS3ResourcesRequest = (
   input: AssociateS3ResourcesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.memberAccountId !== undefined) {
-    bodyParams["memberAccountId"] = input.memberAccountId;
-  }
-  if (input.s3Resources !== undefined) {
-    bodyParams["s3Resources"] = serializeAws_json1_1S3ResourcesClassification(
-      input.s3Resources,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.memberAccountId !== undefined && {
+      memberAccountId: input.memberAccountId
+    }),
+    ...(input.s3Resources !== undefined && {
+      s3Resources: serializeAws_json1_1S3ResourcesClassification(
+        input.s3Resources,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1ClassificationType = (
   input: ClassificationType,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.continuous !== undefined) {
-    bodyParams["continuous"] = input.continuous;
-  }
-  if (input.oneTime !== undefined) {
-    bodyParams["oneTime"] = input.oneTime;
-  }
-  return bodyParams;
+  return {
+    ...(input.continuous !== undefined && { continuous: input.continuous }),
+    ...(input.oneTime !== undefined && { oneTime: input.oneTime })
+  };
 };
 
 const serializeAws_json1_1ClassificationTypeUpdate = (
   input: ClassificationTypeUpdate,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.continuous !== undefined) {
-    bodyParams["continuous"] = input.continuous;
-  }
-  if (input.oneTime !== undefined) {
-    bodyParams["oneTime"] = input.oneTime;
-  }
-  return bodyParams;
+  return {
+    ...(input.continuous !== undefined && { continuous: input.continuous }),
+    ...(input.oneTime !== undefined && { oneTime: input.oneTime })
+  };
 };
 
 const serializeAws_json1_1DisassociateMemberAccountRequest = (
   input: DisassociateMemberAccountRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.memberAccountId !== undefined) {
-    bodyParams["memberAccountId"] = input.memberAccountId;
-  }
-  return bodyParams;
+  return {
+    ...(input.memberAccountId !== undefined && {
+      memberAccountId: input.memberAccountId
+    })
+  };
 };
 
 const serializeAws_json1_1DisassociateS3ResourcesRequest = (
   input: DisassociateS3ResourcesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.associatedS3Resources !== undefined) {
-    bodyParams["associatedS3Resources"] = serializeAws_json1_1S3Resources(
-      input.associatedS3Resources,
-      context
-    );
-  }
-  if (input.memberAccountId !== undefined) {
-    bodyParams["memberAccountId"] = input.memberAccountId;
-  }
-  return bodyParams;
+  return {
+    ...(input.associatedS3Resources !== undefined && {
+      associatedS3Resources: serializeAws_json1_1S3Resources(
+        input.associatedS3Resources,
+        context
+      )
+    }),
+    ...(input.memberAccountId !== undefined && {
+      memberAccountId: input.memberAccountId
+    })
+  };
 };
 
 const serializeAws_json1_1ListMemberAccountsRequest = (
   input: ListMemberAccountsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.maxResults !== undefined) {
-    bodyParams["maxResults"] = input.maxResults;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.maxResults !== undefined && { maxResults: input.maxResults }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken })
+  };
 };
 
 const serializeAws_json1_1ListS3ResourcesRequest = (
   input: ListS3ResourcesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.maxResults !== undefined) {
-    bodyParams["maxResults"] = input.maxResults;
-  }
-  if (input.memberAccountId !== undefined) {
-    bodyParams["memberAccountId"] = input.memberAccountId;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.maxResults !== undefined && { maxResults: input.maxResults }),
+    ...(input.memberAccountId !== undefined && {
+      memberAccountId: input.memberAccountId
+    }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken })
+  };
 };
 
 const serializeAws_json1_1S3Resource = (
   input: S3Resource,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.bucketName !== undefined) {
-    bodyParams["bucketName"] = input.bucketName;
-  }
-  if (input.prefix !== undefined) {
-    bodyParams["prefix"] = input.prefix;
-  }
-  return bodyParams;
+  return {
+    ...(input.bucketName !== undefined && { bucketName: input.bucketName }),
+    ...(input.prefix !== undefined && { prefix: input.prefix })
+  };
 };
 
 const serializeAws_json1_1S3ResourceClassification = (
   input: S3ResourceClassification,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.bucketName !== undefined) {
-    bodyParams["bucketName"] = input.bucketName;
-  }
-  if (input.classificationType !== undefined) {
-    bodyParams["classificationType"] = serializeAws_json1_1ClassificationType(
-      input.classificationType,
-      context
-    );
-  }
-  if (input.prefix !== undefined) {
-    bodyParams["prefix"] = input.prefix;
-  }
-  return bodyParams;
+  return {
+    ...(input.bucketName !== undefined && { bucketName: input.bucketName }),
+    ...(input.classificationType !== undefined && {
+      classificationType: serializeAws_json1_1ClassificationType(
+        input.classificationType,
+        context
+      )
+    }),
+    ...(input.prefix !== undefined && { prefix: input.prefix })
+  };
 };
 
 const serializeAws_json1_1S3ResourceClassificationUpdate = (
   input: S3ResourceClassificationUpdate,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.bucketName !== undefined) {
-    bodyParams["bucketName"] = input.bucketName;
-  }
-  if (input.classificationTypeUpdate !== undefined) {
-    bodyParams[
-      "classificationTypeUpdate"
-    ] = serializeAws_json1_1ClassificationTypeUpdate(
-      input.classificationTypeUpdate,
-      context
-    );
-  }
-  if (input.prefix !== undefined) {
-    bodyParams["prefix"] = input.prefix;
-  }
-  return bodyParams;
+  return {
+    ...(input.bucketName !== undefined && { bucketName: input.bucketName }),
+    ...(input.classificationTypeUpdate !== undefined && {
+      classificationTypeUpdate: serializeAws_json1_1ClassificationTypeUpdate(
+        input.classificationTypeUpdate,
+        context
+      )
+    }),
+    ...(input.prefix !== undefined && { prefix: input.prefix })
+  };
 };
 
 const serializeAws_json1_1S3Resources = (
@@ -1011,19 +981,17 @@ const serializeAws_json1_1UpdateS3ResourcesRequest = (
   input: UpdateS3ResourcesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.memberAccountId !== undefined) {
-    bodyParams["memberAccountId"] = input.memberAccountId;
-  }
-  if (input.s3ResourcesUpdate !== undefined) {
-    bodyParams[
-      "s3ResourcesUpdate"
-    ] = serializeAws_json1_1S3ResourcesClassificationUpdate(
-      input.s3ResourcesUpdate,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.memberAccountId !== undefined && {
+      memberAccountId: input.memberAccountId
+    }),
+    ...(input.s3ResourcesUpdate !== undefined && {
+      s3ResourcesUpdate: serializeAws_json1_1S3ResourcesClassificationUpdate(
+        input.s3ResourcesUpdate,
+        context
+      )
+    })
+  };
 };
 
 const deserializeAws_json1_1AccessDeniedException = (
diff --git a/clients/client-managedblockchain/protocols/Aws_restJson1_1.ts b/clients/client-managedblockchain/protocols/Aws_restJson1_1.ts
index 46151fad6543..575dc238aba9 100644
--- a/clients/client-managedblockchain/protocols/Aws_restJson1_1.ts
+++ b/clients/client-managedblockchain/protocols/Aws_restJson1_1.ts
@@ -3114,28 +3114,26 @@ const serializeAws_restJson1_1ApprovalThresholdPolicy = (
   input: ApprovalThresholdPolicy,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ProposalDurationInHours !== undefined) {
-    bodyParams["ProposalDurationInHours"] = input.ProposalDurationInHours;
-  }
-  if (input.ThresholdComparator !== undefined) {
-    bodyParams["ThresholdComparator"] = input.ThresholdComparator;
-  }
-  if (input.ThresholdPercentage !== undefined) {
-    bodyParams["ThresholdPercentage"] = input.ThresholdPercentage;
-  }
-  return bodyParams;
+  return {
+    ...(input.ProposalDurationInHours !== undefined && {
+      ProposalDurationInHours: input.ProposalDurationInHours
+    }),
+    ...(input.ThresholdComparator !== undefined && {
+      ThresholdComparator: input.ThresholdComparator
+    }),
+    ...(input.ThresholdPercentage !== undefined && {
+      ThresholdPercentage: input.ThresholdPercentage
+    })
+  };
 };
 
 const serializeAws_restJson1_1InviteAction = (
   input: InviteAction,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Principal !== undefined) {
-    bodyParams["Principal"] = input.Principal;
-  }
-  return bodyParams;
+  return {
+    ...(input.Principal !== undefined && { Principal: input.Principal })
+  };
 };
 
 const serializeAws_restJson1_1InviteActionList = (
@@ -3151,120 +3149,110 @@ const serializeAws_restJson1_1MemberConfiguration = (
   input: MemberConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.FrameworkConfiguration !== undefined) {
-    bodyParams[
-      "FrameworkConfiguration"
-    ] = serializeAws_restJson1_1MemberFrameworkConfiguration(
-      input.FrameworkConfiguration,
-      context
-    );
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.FrameworkConfiguration !== undefined && {
+      FrameworkConfiguration: serializeAws_restJson1_1MemberFrameworkConfiguration(
+        input.FrameworkConfiguration,
+        context
+      )
+    }),
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_restJson1_1MemberFabricConfiguration = (
   input: MemberFabricConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AdminPassword !== undefined) {
-    bodyParams["AdminPassword"] = input.AdminPassword;
-  }
-  if (input.AdminUsername !== undefined) {
-    bodyParams["AdminUsername"] = input.AdminUsername;
-  }
-  return bodyParams;
+  return {
+    ...(input.AdminPassword !== undefined && {
+      AdminPassword: input.AdminPassword
+    }),
+    ...(input.AdminUsername !== undefined && {
+      AdminUsername: input.AdminUsername
+    })
+  };
 };
 
 const serializeAws_restJson1_1MemberFrameworkConfiguration = (
   input: MemberFrameworkConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Fabric !== undefined) {
-    bodyParams["Fabric"] = serializeAws_restJson1_1MemberFabricConfiguration(
-      input.Fabric,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Fabric !== undefined && {
+      Fabric: serializeAws_restJson1_1MemberFabricConfiguration(
+        input.Fabric,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1NetworkFabricConfiguration = (
   input: NetworkFabricConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Edition !== undefined) {
-    bodyParams["Edition"] = input.Edition;
-  }
-  return bodyParams;
+  return {
+    ...(input.Edition !== undefined && { Edition: input.Edition })
+  };
 };
 
 const serializeAws_restJson1_1NetworkFrameworkConfiguration = (
   input: NetworkFrameworkConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Fabric !== undefined) {
-    bodyParams["Fabric"] = serializeAws_restJson1_1NetworkFabricConfiguration(
-      input.Fabric,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Fabric !== undefined && {
+      Fabric: serializeAws_restJson1_1NetworkFabricConfiguration(
+        input.Fabric,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1NodeConfiguration = (
   input: NodeConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AvailabilityZone !== undefined) {
-    bodyParams["AvailabilityZone"] = input.AvailabilityZone;
-  }
-  if (input.InstanceType !== undefined) {
-    bodyParams["InstanceType"] = input.InstanceType;
-  }
-  return bodyParams;
+  return {
+    ...(input.AvailabilityZone !== undefined && {
+      AvailabilityZone: input.AvailabilityZone
+    }),
+    ...(input.InstanceType !== undefined && {
+      InstanceType: input.InstanceType
+    })
+  };
 };
 
 const serializeAws_restJson1_1ProposalActions = (
   input: ProposalActions,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Invitations !== undefined) {
-    bodyParams["Invitations"] = serializeAws_restJson1_1InviteActionList(
-      input.Invitations,
-      context
-    );
-  }
-  if (input.Removals !== undefined) {
-    bodyParams["Removals"] = serializeAws_restJson1_1RemoveActionList(
-      input.Removals,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Invitations !== undefined && {
+      Invitations: serializeAws_restJson1_1InviteActionList(
+        input.Invitations,
+        context
+      )
+    }),
+    ...(input.Removals !== undefined && {
+      Removals: serializeAws_restJson1_1RemoveActionList(
+        input.Removals,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1RemoveAction = (
   input: RemoveAction,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MemberId !== undefined) {
-    bodyParams["MemberId"] = input.MemberId;
-  }
-  return bodyParams;
+  return {
+    ...(input.MemberId !== undefined && { MemberId: input.MemberId })
+  };
 };
 
 const serializeAws_restJson1_1RemoveActionList = (
@@ -3280,16 +3268,14 @@ const serializeAws_restJson1_1VotingPolicy = (
   input: VotingPolicy,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ApprovalThresholdPolicy !== undefined) {
-    bodyParams[
-      "ApprovalThresholdPolicy"
-    ] = serializeAws_restJson1_1ApprovalThresholdPolicy(
-      input.ApprovalThresholdPolicy,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ApprovalThresholdPolicy !== undefined && {
+      ApprovalThresholdPolicy: serializeAws_restJson1_1ApprovalThresholdPolicy(
+        input.ApprovalThresholdPolicy,
+        context
+      )
+    })
+  };
 };
 
 const deserializeAws_restJson1_1ApprovalThresholdPolicy = (
diff --git a/clients/client-marketplace-catalog/protocols/Aws_restJson1_1.ts b/clients/client-marketplace-catalog/protocols/Aws_restJson1_1.ts
index 7cac89547467..810c27c1f9d1 100644
--- a/clients/client-marketplace-catalog/protocols/Aws_restJson1_1.ts
+++ b/clients/client-marketplace-catalog/protocols/Aws_restJson1_1.ts
@@ -1137,51 +1137,35 @@ const serializeAws_restJson1_1Change = (
   input: Change,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ChangeType !== undefined) {
-    bodyParams["ChangeType"] = input.ChangeType;
-  }
-  if (input.Details !== undefined) {
-    bodyParams["Details"] = input.Details;
-  }
-  if (input.Entity !== undefined) {
-    bodyParams["Entity"] = serializeAws_restJson1_1Entity(
-      input.Entity,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ChangeType !== undefined && { ChangeType: input.ChangeType }),
+    ...(input.Details !== undefined && { Details: input.Details }),
+    ...(input.Entity !== undefined && {
+      Entity: serializeAws_restJson1_1Entity(input.Entity, context)
+    })
+  };
 };
 
 const serializeAws_restJson1_1Entity = (
   input: Entity,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Identifier !== undefined) {
-    bodyParams["Identifier"] = input.Identifier;
-  }
-  if (input.Type !== undefined) {
-    bodyParams["Type"] = input.Type;
-  }
-  return bodyParams;
+  return {
+    ...(input.Identifier !== undefined && { Identifier: input.Identifier }),
+    ...(input.Type !== undefined && { Type: input.Type })
+  };
 };
 
 const serializeAws_restJson1_1Filter = (
   input: Filter,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.ValueList !== undefined) {
-    bodyParams["ValueList"] = serializeAws_restJson1_1ValueList(
-      input.ValueList,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.ValueList !== undefined && {
+      ValueList: serializeAws_restJson1_1ValueList(input.ValueList, context)
+    })
+  };
 };
 
 const serializeAws_restJson1_1FilterList = (
@@ -1202,14 +1186,10 @@ const serializeAws_restJson1_1Sort = (
   input: Sort,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.SortBy !== undefined) {
-    bodyParams["SortBy"] = input.SortBy;
-  }
-  if (input.SortOrder !== undefined) {
-    bodyParams["SortOrder"] = input.SortOrder;
-  }
-  return bodyParams;
+  return {
+    ...(input.SortBy !== undefined && { SortBy: input.SortBy }),
+    ...(input.SortOrder !== undefined && { SortOrder: input.SortOrder })
+  };
 };
 
 const serializeAws_restJson1_1ValueList = (
diff --git a/clients/client-marketplace-commerce-analytics/protocols/Aws_json1_1.ts b/clients/client-marketplace-commerce-analytics/protocols/Aws_json1_1.ts
index a66d6327e8e4..3b0a94f05b6d 100644
--- a/clients/client-marketplace-commerce-analytics/protocols/Aws_json1_1.ts
+++ b/clients/client-marketplace-commerce-analytics/protocols/Aws_json1_1.ts
@@ -212,70 +212,54 @@ const serializeAws_json1_1GenerateDataSetRequest = (
   input: GenerateDataSetRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.customerDefinedValues !== undefined) {
-    bodyParams[
-      "customerDefinedValues"
-    ] = serializeAws_json1_1CustomerDefinedValues(
-      input.customerDefinedValues,
-      context
-    );
-  }
-  if (input.dataSetPublicationDate !== undefined) {
-    bodyParams["dataSetPublicationDate"] = Math.round(
-      input.dataSetPublicationDate.getTime() / 1000
-    );
-  }
-  if (input.dataSetType !== undefined) {
-    bodyParams["dataSetType"] = input.dataSetType;
-  }
-  if (input.destinationS3BucketName !== undefined) {
-    bodyParams["destinationS3BucketName"] = input.destinationS3BucketName;
-  }
-  if (input.destinationS3Prefix !== undefined) {
-    bodyParams["destinationS3Prefix"] = input.destinationS3Prefix;
-  }
-  if (input.roleNameArn !== undefined) {
-    bodyParams["roleNameArn"] = input.roleNameArn;
-  }
-  if (input.snsTopicArn !== undefined) {
-    bodyParams["snsTopicArn"] = input.snsTopicArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.customerDefinedValues !== undefined && {
+      customerDefinedValues: serializeAws_json1_1CustomerDefinedValues(
+        input.customerDefinedValues,
+        context
+      )
+    }),
+    ...(input.dataSetPublicationDate !== undefined && {
+      dataSetPublicationDate: Math.round(
+        input.dataSetPublicationDate.getTime() / 1000
+      )
+    }),
+    ...(input.dataSetType !== undefined && { dataSetType: input.dataSetType }),
+    ...(input.destinationS3BucketName !== undefined && {
+      destinationS3BucketName: input.destinationS3BucketName
+    }),
+    ...(input.destinationS3Prefix !== undefined && {
+      destinationS3Prefix: input.destinationS3Prefix
+    }),
+    ...(input.roleNameArn !== undefined && { roleNameArn: input.roleNameArn }),
+    ...(input.snsTopicArn !== undefined && { snsTopicArn: input.snsTopicArn })
+  };
 };
 
 const serializeAws_json1_1StartSupportDataExportRequest = (
   input: StartSupportDataExportRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.customerDefinedValues !== undefined) {
-    bodyParams[
-      "customerDefinedValues"
-    ] = serializeAws_json1_1CustomerDefinedValues(
-      input.customerDefinedValues,
-      context
-    );
-  }
-  if (input.dataSetType !== undefined) {
-    bodyParams["dataSetType"] = input.dataSetType;
-  }
-  if (input.destinationS3BucketName !== undefined) {
-    bodyParams["destinationS3BucketName"] = input.destinationS3BucketName;
-  }
-  if (input.destinationS3Prefix !== undefined) {
-    bodyParams["destinationS3Prefix"] = input.destinationS3Prefix;
-  }
-  if (input.fromDate !== undefined) {
-    bodyParams["fromDate"] = Math.round(input.fromDate.getTime() / 1000);
-  }
-  if (input.roleNameArn !== undefined) {
-    bodyParams["roleNameArn"] = input.roleNameArn;
-  }
-  if (input.snsTopicArn !== undefined) {
-    bodyParams["snsTopicArn"] = input.snsTopicArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.customerDefinedValues !== undefined && {
+      customerDefinedValues: serializeAws_json1_1CustomerDefinedValues(
+        input.customerDefinedValues,
+        context
+      )
+    }),
+    ...(input.dataSetType !== undefined && { dataSetType: input.dataSetType }),
+    ...(input.destinationS3BucketName !== undefined && {
+      destinationS3BucketName: input.destinationS3BucketName
+    }),
+    ...(input.destinationS3Prefix !== undefined && {
+      destinationS3Prefix: input.destinationS3Prefix
+    }),
+    ...(input.fromDate !== undefined && {
+      fromDate: Math.round(input.fromDate.getTime() / 1000)
+    }),
+    ...(input.roleNameArn !== undefined && { roleNameArn: input.roleNameArn }),
+    ...(input.snsTopicArn !== undefined && { snsTopicArn: input.snsTopicArn })
+  };
 };
 
 const deserializeAws_json1_1GenerateDataSetResult = (
diff --git a/clients/client-marketplace-entitlement-service/protocols/Aws_json1_1.ts b/clients/client-marketplace-entitlement-service/protocols/Aws_json1_1.ts
index 798176f1015f..e5f88edd853a 100644
--- a/clients/client-marketplace-entitlement-service/protocols/Aws_json1_1.ts
+++ b/clients/client-marketplace-entitlement-service/protocols/Aws_json1_1.ts
@@ -196,23 +196,14 @@ const serializeAws_json1_1GetEntitlementsRequest = (
   input: GetEntitlementsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Filter !== undefined) {
-    bodyParams["Filter"] = serializeAws_json1_1GetEntitlementFilters(
-      input.Filter,
-      context
-    );
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.ProductCode !== undefined) {
-    bodyParams["ProductCode"] = input.ProductCode;
-  }
-  return bodyParams;
+  return {
+    ...(input.Filter !== undefined && {
+      Filter: serializeAws_json1_1GetEntitlementFilters(input.Filter, context)
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.ProductCode !== undefined && { ProductCode: input.ProductCode })
+  };
 };
 
 const deserializeAws_json1_1Entitlement = (
diff --git a/clients/client-marketplace-metering/protocols/Aws_json1_1.ts b/clients/client-marketplace-metering/protocols/Aws_json1_1.ts
index 034eee4fef35..7036ace22e45 100644
--- a/clients/client-marketplace-metering/protocols/Aws_json1_1.ts
+++ b/clients/client-marketplace-metering/protocols/Aws_json1_1.ts
@@ -890,88 +890,74 @@ const serializeAws_json1_1BatchMeterUsageRequest = (
   input: BatchMeterUsageRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ProductCode !== undefined) {
-    bodyParams["ProductCode"] = input.ProductCode;
-  }
-  if (input.UsageRecords !== undefined) {
-    bodyParams["UsageRecords"] = serializeAws_json1_1UsageRecordList(
-      input.UsageRecords,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ProductCode !== undefined && { ProductCode: input.ProductCode }),
+    ...(input.UsageRecords !== undefined && {
+      UsageRecords: serializeAws_json1_1UsageRecordList(
+        input.UsageRecords,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1MeterUsageRequest = (
   input: MeterUsageRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DryRun !== undefined) {
-    bodyParams["DryRun"] = input.DryRun;
-  }
-  if (input.ProductCode !== undefined) {
-    bodyParams["ProductCode"] = input.ProductCode;
-  }
-  if (input.Timestamp !== undefined) {
-    bodyParams["Timestamp"] = Math.round(input.Timestamp.getTime() / 1000);
-  }
-  if (input.UsageDimension !== undefined) {
-    bodyParams["UsageDimension"] = input.UsageDimension;
-  }
-  if (input.UsageQuantity !== undefined) {
-    bodyParams["UsageQuantity"] = input.UsageQuantity;
-  }
-  return bodyParams;
+  return {
+    ...(input.DryRun !== undefined && { DryRun: input.DryRun }),
+    ...(input.ProductCode !== undefined && { ProductCode: input.ProductCode }),
+    ...(input.Timestamp !== undefined && {
+      Timestamp: Math.round(input.Timestamp.getTime() / 1000)
+    }),
+    ...(input.UsageDimension !== undefined && {
+      UsageDimension: input.UsageDimension
+    }),
+    ...(input.UsageQuantity !== undefined && {
+      UsageQuantity: input.UsageQuantity
+    })
+  };
 };
 
 const serializeAws_json1_1RegisterUsageRequest = (
   input: RegisterUsageRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Nonce !== undefined) {
-    bodyParams["Nonce"] = input.Nonce;
-  }
-  if (input.ProductCode !== undefined) {
-    bodyParams["ProductCode"] = input.ProductCode;
-  }
-  if (input.PublicKeyVersion !== undefined) {
-    bodyParams["PublicKeyVersion"] = input.PublicKeyVersion;
-  }
-  return bodyParams;
+  return {
+    ...(input.Nonce !== undefined && { Nonce: input.Nonce }),
+    ...(input.ProductCode !== undefined && { ProductCode: input.ProductCode }),
+    ...(input.PublicKeyVersion !== undefined && {
+      PublicKeyVersion: input.PublicKeyVersion
+    })
+  };
 };
 
 const serializeAws_json1_1ResolveCustomerRequest = (
   input: ResolveCustomerRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.RegistrationToken !== undefined) {
-    bodyParams["RegistrationToken"] = input.RegistrationToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.RegistrationToken !== undefined && {
+      RegistrationToken: input.RegistrationToken
+    })
+  };
 };
 
 const serializeAws_json1_1UsageRecord = (
   input: UsageRecord,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CustomerIdentifier !== undefined) {
-    bodyParams["CustomerIdentifier"] = input.CustomerIdentifier;
-  }
-  if (input.Dimension !== undefined) {
-    bodyParams["Dimension"] = input.Dimension;
-  }
-  if (input.Quantity !== undefined) {
-    bodyParams["Quantity"] = input.Quantity;
-  }
-  if (input.Timestamp !== undefined) {
-    bodyParams["Timestamp"] = Math.round(input.Timestamp.getTime() / 1000);
-  }
-  return bodyParams;
+  return {
+    ...(input.CustomerIdentifier !== undefined && {
+      CustomerIdentifier: input.CustomerIdentifier
+    }),
+    ...(input.Dimension !== undefined && { Dimension: input.Dimension }),
+    ...(input.Quantity !== undefined && { Quantity: input.Quantity }),
+    ...(input.Timestamp !== undefined && {
+      Timestamp: Math.round(input.Timestamp.getTime() / 1000)
+    })
+  };
 };
 
 const serializeAws_json1_1UsageRecordList = (
diff --git a/clients/client-mediaconnect/protocols/Aws_restJson1_1.ts b/clients/client-mediaconnect/protocols/Aws_restJson1_1.ts
index 073e783a14f2..fc993304d3d7 100644
--- a/clients/client-mediaconnect/protocols/Aws_restJson1_1.ts
+++ b/clients/client-mediaconnect/protocols/Aws_restJson1_1.ts
@@ -2925,190 +2925,112 @@ const serializeAws_restJson1_1AddOutputRequest = (
   input: AddOutputRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CidrAllowList !== undefined) {
-    bodyParams["cidrAllowList"] = serializeAws_restJson1_1__listOf__string(
-      input.CidrAllowList,
-      context
-    );
-  }
-  if (input.Description !== undefined) {
-    bodyParams["description"] = input.Description;
-  }
-  if (input.Destination !== undefined) {
-    bodyParams["destination"] = input.Destination;
-  }
-  if (input.Encryption !== undefined) {
-    bodyParams["encryption"] = serializeAws_restJson1_1Encryption(
-      input.Encryption,
-      context
-    );
-  }
-  if (input.MaxLatency !== undefined) {
-    bodyParams["maxLatency"] = input.MaxLatency;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["name"] = input.Name;
-  }
-  if (input.Port !== undefined) {
-    bodyParams["port"] = input.Port;
-  }
-  if (input.Protocol !== undefined) {
-    bodyParams["protocol"] = input.Protocol;
-  }
-  if (input.RemoteId !== undefined) {
-    bodyParams["remoteId"] = input.RemoteId;
-  }
-  if (input.SmoothingLatency !== undefined) {
-    bodyParams["smoothingLatency"] = input.SmoothingLatency;
-  }
-  if (input.StreamId !== undefined) {
-    bodyParams["streamId"] = input.StreamId;
-  }
-  return bodyParams;
+  return {
+    ...(input.CidrAllowList !== undefined && {
+      cidrAllowList: serializeAws_restJson1_1__listOf__string(
+        input.CidrAllowList,
+        context
+      )
+    }),
+    ...(input.Description !== undefined && { description: input.Description }),
+    ...(input.Destination !== undefined && { destination: input.Destination }),
+    ...(input.Encryption !== undefined && {
+      encryption: serializeAws_restJson1_1Encryption(input.Encryption, context)
+    }),
+    ...(input.MaxLatency !== undefined && { maxLatency: input.MaxLatency }),
+    ...(input.Name !== undefined && { name: input.Name }),
+    ...(input.Port !== undefined && { port: input.Port }),
+    ...(input.Protocol !== undefined && { protocol: input.Protocol }),
+    ...(input.RemoteId !== undefined && { remoteId: input.RemoteId }),
+    ...(input.SmoothingLatency !== undefined && {
+      smoothingLatency: input.SmoothingLatency
+    }),
+    ...(input.StreamId !== undefined && { streamId: input.StreamId })
+  };
 };
 
 const serializeAws_restJson1_1Encryption = (
   input: Encryption,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Algorithm !== undefined) {
-    bodyParams["algorithm"] = input.Algorithm;
-  }
-  if (input.ConstantInitializationVector !== undefined) {
-    bodyParams["constantInitializationVector"] =
-      input.ConstantInitializationVector;
-  }
-  if (input.DeviceId !== undefined) {
-    bodyParams["deviceId"] = input.DeviceId;
-  }
-  if (input.KeyType !== undefined) {
-    bodyParams["keyType"] = input.KeyType;
-  }
-  if (input.Region !== undefined) {
-    bodyParams["region"] = input.Region;
-  }
-  if (input.ResourceId !== undefined) {
-    bodyParams["resourceId"] = input.ResourceId;
-  }
-  if (input.RoleArn !== undefined) {
-    bodyParams["roleArn"] = input.RoleArn;
-  }
-  if (input.SecretArn !== undefined) {
-    bodyParams["secretArn"] = input.SecretArn;
-  }
-  if (input.Url !== undefined) {
-    bodyParams["url"] = input.Url;
-  }
-  return bodyParams;
+  return {
+    ...(input.Algorithm !== undefined && { algorithm: input.Algorithm }),
+    ...(input.ConstantInitializationVector !== undefined && {
+      constantInitializationVector: input.ConstantInitializationVector
+    }),
+    ...(input.DeviceId !== undefined && { deviceId: input.DeviceId }),
+    ...(input.KeyType !== undefined && { keyType: input.KeyType }),
+    ...(input.Region !== undefined && { region: input.Region }),
+    ...(input.ResourceId !== undefined && { resourceId: input.ResourceId }),
+    ...(input.RoleArn !== undefined && { roleArn: input.RoleArn }),
+    ...(input.SecretArn !== undefined && { secretArn: input.SecretArn }),
+    ...(input.Url !== undefined && { url: input.Url })
+  };
 };
 
 const serializeAws_restJson1_1GrantEntitlementRequest = (
   input: GrantEntitlementRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DataTransferSubscriberFeePercent !== undefined) {
-    bodyParams["dataTransferSubscriberFeePercent"] =
-      input.DataTransferSubscriberFeePercent;
-  }
-  if (input.Description !== undefined) {
-    bodyParams["description"] = input.Description;
-  }
-  if (input.Encryption !== undefined) {
-    bodyParams["encryption"] = serializeAws_restJson1_1Encryption(
-      input.Encryption,
-      context
-    );
-  }
-  if (input.Name !== undefined) {
-    bodyParams["name"] = input.Name;
-  }
-  if (input.Subscribers !== undefined) {
-    bodyParams["subscribers"] = serializeAws_restJson1_1__listOf__string(
-      input.Subscribers,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.DataTransferSubscriberFeePercent !== undefined && {
+      dataTransferSubscriberFeePercent: input.DataTransferSubscriberFeePercent
+    }),
+    ...(input.Description !== undefined && { description: input.Description }),
+    ...(input.Encryption !== undefined && {
+      encryption: serializeAws_restJson1_1Encryption(input.Encryption, context)
+    }),
+    ...(input.Name !== undefined && { name: input.Name }),
+    ...(input.Subscribers !== undefined && {
+      subscribers: serializeAws_restJson1_1__listOf__string(
+        input.Subscribers,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1SetSourceRequest = (
   input: SetSourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Decryption !== undefined) {
-    bodyParams["decryption"] = serializeAws_restJson1_1Encryption(
-      input.Decryption,
-      context
-    );
-  }
-  if (input.Description !== undefined) {
-    bodyParams["description"] = input.Description;
-  }
-  if (input.EntitlementArn !== undefined) {
-    bodyParams["entitlementArn"] = input.EntitlementArn;
-  }
-  if (input.IngestPort !== undefined) {
-    bodyParams["ingestPort"] = input.IngestPort;
-  }
-  if (input.MaxBitrate !== undefined) {
-    bodyParams["maxBitrate"] = input.MaxBitrate;
-  }
-  if (input.MaxLatency !== undefined) {
-    bodyParams["maxLatency"] = input.MaxLatency;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["name"] = input.Name;
-  }
-  if (input.Protocol !== undefined) {
-    bodyParams["protocol"] = input.Protocol;
-  }
-  if (input.StreamId !== undefined) {
-    bodyParams["streamId"] = input.StreamId;
-  }
-  if (input.WhitelistCidr !== undefined) {
-    bodyParams["whitelistCidr"] = input.WhitelistCidr;
-  }
-  return bodyParams;
+  return {
+    ...(input.Decryption !== undefined && {
+      decryption: serializeAws_restJson1_1Encryption(input.Decryption, context)
+    }),
+    ...(input.Description !== undefined && { description: input.Description }),
+    ...(input.EntitlementArn !== undefined && {
+      entitlementArn: input.EntitlementArn
+    }),
+    ...(input.IngestPort !== undefined && { ingestPort: input.IngestPort }),
+    ...(input.MaxBitrate !== undefined && { maxBitrate: input.MaxBitrate }),
+    ...(input.MaxLatency !== undefined && { maxLatency: input.MaxLatency }),
+    ...(input.Name !== undefined && { name: input.Name }),
+    ...(input.Protocol !== undefined && { protocol: input.Protocol }),
+    ...(input.StreamId !== undefined && { streamId: input.StreamId }),
+    ...(input.WhitelistCidr !== undefined && {
+      whitelistCidr: input.WhitelistCidr
+    })
+  };
 };
 
 const serializeAws_restJson1_1UpdateEncryption = (
   input: UpdateEncryption,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Algorithm !== undefined) {
-    bodyParams["algorithm"] = input.Algorithm;
-  }
-  if (input.ConstantInitializationVector !== undefined) {
-    bodyParams["constantInitializationVector"] =
-      input.ConstantInitializationVector;
-  }
-  if (input.DeviceId !== undefined) {
-    bodyParams["deviceId"] = input.DeviceId;
-  }
-  if (input.KeyType !== undefined) {
-    bodyParams["keyType"] = input.KeyType;
-  }
-  if (input.Region !== undefined) {
-    bodyParams["region"] = input.Region;
-  }
-  if (input.ResourceId !== undefined) {
-    bodyParams["resourceId"] = input.ResourceId;
-  }
-  if (input.RoleArn !== undefined) {
-    bodyParams["roleArn"] = input.RoleArn;
-  }
-  if (input.SecretArn !== undefined) {
-    bodyParams["secretArn"] = input.SecretArn;
-  }
-  if (input.Url !== undefined) {
-    bodyParams["url"] = input.Url;
-  }
-  return bodyParams;
+  return {
+    ...(input.Algorithm !== undefined && { algorithm: input.Algorithm }),
+    ...(input.ConstantInitializationVector !== undefined && {
+      constantInitializationVector: input.ConstantInitializationVector
+    }),
+    ...(input.DeviceId !== undefined && { deviceId: input.DeviceId }),
+    ...(input.KeyType !== undefined && { keyType: input.KeyType }),
+    ...(input.Region !== undefined && { region: input.Region }),
+    ...(input.ResourceId !== undefined && { resourceId: input.ResourceId }),
+    ...(input.RoleArn !== undefined && { roleArn: input.RoleArn }),
+    ...(input.SecretArn !== undefined && { secretArn: input.SecretArn }),
+    ...(input.Url !== undefined && { url: input.Url })
+  };
 };
 
 const serializeAws_restJson1_1__listOfAddOutputRequest = (
diff --git a/clients/client-mediaconvert/protocols/Aws_restJson1_1.ts b/clients/client-mediaconvert/protocols/Aws_restJson1_1.ts
index 783a0ea15c0f..ff368a6fb826 100644
--- a/clients/client-mediaconvert/protocols/Aws_restJson1_1.ts
+++ b/clients/client-mediaconvert/protocols/Aws_restJson1_1.ts
@@ -4221,3756 +4221,3090 @@ const serializeAws_restJson1_1AacSettings = (
   input: AacSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AudioDescriptionBroadcasterMix !== undefined) {
-    bodyParams["audioDescriptionBroadcasterMix"] =
-      input.AudioDescriptionBroadcasterMix;
-  }
-  if (input.Bitrate !== undefined) {
-    bodyParams["bitrate"] = input.Bitrate;
-  }
-  if (input.CodecProfile !== undefined) {
-    bodyParams["codecProfile"] = input.CodecProfile;
-  }
-  if (input.CodingMode !== undefined) {
-    bodyParams["codingMode"] = input.CodingMode;
-  }
-  if (input.RateControlMode !== undefined) {
-    bodyParams["rateControlMode"] = input.RateControlMode;
-  }
-  if (input.RawFormat !== undefined) {
-    bodyParams["rawFormat"] = input.RawFormat;
-  }
-  if (input.SampleRate !== undefined) {
-    bodyParams["sampleRate"] = input.SampleRate;
-  }
-  if (input.Specification !== undefined) {
-    bodyParams["specification"] = input.Specification;
-  }
-  if (input.VbrQuality !== undefined) {
-    bodyParams["vbrQuality"] = input.VbrQuality;
-  }
-  return bodyParams;
+  return {
+    ...(input.AudioDescriptionBroadcasterMix !== undefined && {
+      audioDescriptionBroadcasterMix: input.AudioDescriptionBroadcasterMix
+    }),
+    ...(input.Bitrate !== undefined && { bitrate: input.Bitrate }),
+    ...(input.CodecProfile !== undefined && {
+      codecProfile: input.CodecProfile
+    }),
+    ...(input.CodingMode !== undefined && { codingMode: input.CodingMode }),
+    ...(input.RateControlMode !== undefined && {
+      rateControlMode: input.RateControlMode
+    }),
+    ...(input.RawFormat !== undefined && { rawFormat: input.RawFormat }),
+    ...(input.SampleRate !== undefined && { sampleRate: input.SampleRate }),
+    ...(input.Specification !== undefined && {
+      specification: input.Specification
+    }),
+    ...(input.VbrQuality !== undefined && { vbrQuality: input.VbrQuality })
+  };
 };
 
 const serializeAws_restJson1_1Ac3Settings = (
   input: Ac3Settings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Bitrate !== undefined) {
-    bodyParams["bitrate"] = input.Bitrate;
-  }
-  if (input.BitstreamMode !== undefined) {
-    bodyParams["bitstreamMode"] = input.BitstreamMode;
-  }
-  if (input.CodingMode !== undefined) {
-    bodyParams["codingMode"] = input.CodingMode;
-  }
-  if (input.Dialnorm !== undefined) {
-    bodyParams["dialnorm"] = input.Dialnorm;
-  }
-  if (input.DynamicRangeCompressionProfile !== undefined) {
-    bodyParams["dynamicRangeCompressionProfile"] =
-      input.DynamicRangeCompressionProfile;
-  }
-  if (input.LfeFilter !== undefined) {
-    bodyParams["lfeFilter"] = input.LfeFilter;
-  }
-  if (input.MetadataControl !== undefined) {
-    bodyParams["metadataControl"] = input.MetadataControl;
-  }
-  if (input.SampleRate !== undefined) {
-    bodyParams["sampleRate"] = input.SampleRate;
-  }
-  return bodyParams;
+  return {
+    ...(input.Bitrate !== undefined && { bitrate: input.Bitrate }),
+    ...(input.BitstreamMode !== undefined && {
+      bitstreamMode: input.BitstreamMode
+    }),
+    ...(input.CodingMode !== undefined && { codingMode: input.CodingMode }),
+    ...(input.Dialnorm !== undefined && { dialnorm: input.Dialnorm }),
+    ...(input.DynamicRangeCompressionProfile !== undefined && {
+      dynamicRangeCompressionProfile: input.DynamicRangeCompressionProfile
+    }),
+    ...(input.LfeFilter !== undefined && { lfeFilter: input.LfeFilter }),
+    ...(input.MetadataControl !== undefined && {
+      metadataControl: input.MetadataControl
+    }),
+    ...(input.SampleRate !== undefined && { sampleRate: input.SampleRate })
+  };
 };
 
 const serializeAws_restJson1_1AccelerationSettings = (
   input: AccelerationSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Mode !== undefined) {
-    bodyParams["mode"] = input.Mode;
-  }
-  return bodyParams;
+  return {
+    ...(input.Mode !== undefined && { mode: input.Mode })
+  };
 };
 
 const serializeAws_restJson1_1AiffSettings = (
   input: AiffSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.BitDepth !== undefined) {
-    bodyParams["bitDepth"] = input.BitDepth;
-  }
-  if (input.Channels !== undefined) {
-    bodyParams["channels"] = input.Channels;
-  }
-  if (input.SampleRate !== undefined) {
-    bodyParams["sampleRate"] = input.SampleRate;
-  }
-  return bodyParams;
+  return {
+    ...(input.BitDepth !== undefined && { bitDepth: input.BitDepth }),
+    ...(input.Channels !== undefined && { channels: input.Channels }),
+    ...(input.SampleRate !== undefined && { sampleRate: input.SampleRate })
+  };
 };
 
 const serializeAws_restJson1_1AncillarySourceSettings = (
   input: AncillarySourceSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Convert608To708 !== undefined) {
-    bodyParams["convert608To708"] = input.Convert608To708;
-  }
-  if (input.SourceAncillaryChannelNumber !== undefined) {
-    bodyParams["sourceAncillaryChannelNumber"] =
-      input.SourceAncillaryChannelNumber;
-  }
-  if (input.TerminateCaptions !== undefined) {
-    bodyParams["terminateCaptions"] = input.TerminateCaptions;
-  }
-  return bodyParams;
+  return {
+    ...(input.Convert608To708 !== undefined && {
+      convert608To708: input.Convert608To708
+    }),
+    ...(input.SourceAncillaryChannelNumber !== undefined && {
+      sourceAncillaryChannelNumber: input.SourceAncillaryChannelNumber
+    }),
+    ...(input.TerminateCaptions !== undefined && {
+      terminateCaptions: input.TerminateCaptions
+    })
+  };
 };
 
 const serializeAws_restJson1_1AudioCodecSettings = (
   input: AudioCodecSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AacSettings !== undefined) {
-    bodyParams["aacSettings"] = serializeAws_restJson1_1AacSettings(
-      input.AacSettings,
-      context
-    );
-  }
-  if (input.Ac3Settings !== undefined) {
-    bodyParams["ac3Settings"] = serializeAws_restJson1_1Ac3Settings(
-      input.Ac3Settings,
-      context
-    );
-  }
-  if (input.AiffSettings !== undefined) {
-    bodyParams["aiffSettings"] = serializeAws_restJson1_1AiffSettings(
-      input.AiffSettings,
-      context
-    );
-  }
-  if (input.Codec !== undefined) {
-    bodyParams["codec"] = input.Codec;
-  }
-  if (input.Eac3AtmosSettings !== undefined) {
-    bodyParams["eac3AtmosSettings"] = serializeAws_restJson1_1Eac3AtmosSettings(
-      input.Eac3AtmosSettings,
-      context
-    );
-  }
-  if (input.Eac3Settings !== undefined) {
-    bodyParams["eac3Settings"] = serializeAws_restJson1_1Eac3Settings(
-      input.Eac3Settings,
-      context
-    );
-  }
-  if (input.Mp2Settings !== undefined) {
-    bodyParams["mp2Settings"] = serializeAws_restJson1_1Mp2Settings(
-      input.Mp2Settings,
-      context
-    );
-  }
-  if (input.Mp3Settings !== undefined) {
-    bodyParams["mp3Settings"] = serializeAws_restJson1_1Mp3Settings(
-      input.Mp3Settings,
-      context
-    );
-  }
-  if (input.WavSettings !== undefined) {
-    bodyParams["wavSettings"] = serializeAws_restJson1_1WavSettings(
-      input.WavSettings,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.AacSettings !== undefined && {
+      aacSettings: serializeAws_restJson1_1AacSettings(
+        input.AacSettings,
+        context
+      )
+    }),
+    ...(input.Ac3Settings !== undefined && {
+      ac3Settings: serializeAws_restJson1_1Ac3Settings(
+        input.Ac3Settings,
+        context
+      )
+    }),
+    ...(input.AiffSettings !== undefined && {
+      aiffSettings: serializeAws_restJson1_1AiffSettings(
+        input.AiffSettings,
+        context
+      )
+    }),
+    ...(input.Codec !== undefined && { codec: input.Codec }),
+    ...(input.Eac3AtmosSettings !== undefined && {
+      eac3AtmosSettings: serializeAws_restJson1_1Eac3AtmosSettings(
+        input.Eac3AtmosSettings,
+        context
+      )
+    }),
+    ...(input.Eac3Settings !== undefined && {
+      eac3Settings: serializeAws_restJson1_1Eac3Settings(
+        input.Eac3Settings,
+        context
+      )
+    }),
+    ...(input.Mp2Settings !== undefined && {
+      mp2Settings: serializeAws_restJson1_1Mp2Settings(
+        input.Mp2Settings,
+        context
+      )
+    }),
+    ...(input.Mp3Settings !== undefined && {
+      mp3Settings: serializeAws_restJson1_1Mp3Settings(
+        input.Mp3Settings,
+        context
+      )
+    }),
+    ...(input.WavSettings !== undefined && {
+      wavSettings: serializeAws_restJson1_1WavSettings(
+        input.WavSettings,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1AudioDescription = (
   input: AudioDescription,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AudioNormalizationSettings !== undefined) {
-    bodyParams[
-      "audioNormalizationSettings"
-    ] = serializeAws_restJson1_1AudioNormalizationSettings(
-      input.AudioNormalizationSettings,
-      context
-    );
-  }
-  if (input.AudioSourceName !== undefined) {
-    bodyParams["audioSourceName"] = input.AudioSourceName;
-  }
-  if (input.AudioType !== undefined) {
-    bodyParams["audioType"] = input.AudioType;
-  }
-  if (input.AudioTypeControl !== undefined) {
-    bodyParams["audioTypeControl"] = input.AudioTypeControl;
-  }
-  if (input.CodecSettings !== undefined) {
-    bodyParams["codecSettings"] = serializeAws_restJson1_1AudioCodecSettings(
-      input.CodecSettings,
-      context
-    );
-  }
-  if (input.CustomLanguageCode !== undefined) {
-    bodyParams["customLanguageCode"] = input.CustomLanguageCode;
-  }
-  if (input.LanguageCode !== undefined) {
-    bodyParams["languageCode"] = input.LanguageCode;
-  }
-  if (input.LanguageCodeControl !== undefined) {
-    bodyParams["languageCodeControl"] = input.LanguageCodeControl;
-  }
-  if (input.RemixSettings !== undefined) {
-    bodyParams["remixSettings"] = serializeAws_restJson1_1RemixSettings(
-      input.RemixSettings,
-      context
-    );
-  }
-  if (input.StreamName !== undefined) {
-    bodyParams["streamName"] = input.StreamName;
-  }
-  return bodyParams;
+  return {
+    ...(input.AudioNormalizationSettings !== undefined && {
+      audioNormalizationSettings: serializeAws_restJson1_1AudioNormalizationSettings(
+        input.AudioNormalizationSettings,
+        context
+      )
+    }),
+    ...(input.AudioSourceName !== undefined && {
+      audioSourceName: input.AudioSourceName
+    }),
+    ...(input.AudioType !== undefined && { audioType: input.AudioType }),
+    ...(input.AudioTypeControl !== undefined && {
+      audioTypeControl: input.AudioTypeControl
+    }),
+    ...(input.CodecSettings !== undefined && {
+      codecSettings: serializeAws_restJson1_1AudioCodecSettings(
+        input.CodecSettings,
+        context
+      )
+    }),
+    ...(input.CustomLanguageCode !== undefined && {
+      customLanguageCode: input.CustomLanguageCode
+    }),
+    ...(input.LanguageCode !== undefined && {
+      languageCode: input.LanguageCode
+    }),
+    ...(input.LanguageCodeControl !== undefined && {
+      languageCodeControl: input.LanguageCodeControl
+    }),
+    ...(input.RemixSettings !== undefined && {
+      remixSettings: serializeAws_restJson1_1RemixSettings(
+        input.RemixSettings,
+        context
+      )
+    }),
+    ...(input.StreamName !== undefined && { streamName: input.StreamName })
+  };
 };
 
 const serializeAws_restJson1_1AudioNormalizationSettings = (
   input: AudioNormalizationSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Algorithm !== undefined) {
-    bodyParams["algorithm"] = input.Algorithm;
-  }
-  if (input.AlgorithmControl !== undefined) {
-    bodyParams["algorithmControl"] = input.AlgorithmControl;
-  }
-  if (input.CorrectionGateLevel !== undefined) {
-    bodyParams["correctionGateLevel"] = input.CorrectionGateLevel;
-  }
-  if (input.LoudnessLogging !== undefined) {
-    bodyParams["loudnessLogging"] = input.LoudnessLogging;
-  }
-  if (input.PeakCalculation !== undefined) {
-    bodyParams["peakCalculation"] = input.PeakCalculation;
-  }
-  if (input.TargetLkfs !== undefined) {
-    bodyParams["targetLkfs"] = input.TargetLkfs;
-  }
-  return bodyParams;
+  return {
+    ...(input.Algorithm !== undefined && { algorithm: input.Algorithm }),
+    ...(input.AlgorithmControl !== undefined && {
+      algorithmControl: input.AlgorithmControl
+    }),
+    ...(input.CorrectionGateLevel !== undefined && {
+      correctionGateLevel: input.CorrectionGateLevel
+    }),
+    ...(input.LoudnessLogging !== undefined && {
+      loudnessLogging: input.LoudnessLogging
+    }),
+    ...(input.PeakCalculation !== undefined && {
+      peakCalculation: input.PeakCalculation
+    }),
+    ...(input.TargetLkfs !== undefined && { targetLkfs: input.TargetLkfs })
+  };
 };
 
 const serializeAws_restJson1_1AudioSelector = (
   input: AudioSelector,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CustomLanguageCode !== undefined) {
-    bodyParams["customLanguageCode"] = input.CustomLanguageCode;
-  }
-  if (input.DefaultSelection !== undefined) {
-    bodyParams["defaultSelection"] = input.DefaultSelection;
-  }
-  if (input.ExternalAudioFileInput !== undefined) {
-    bodyParams["externalAudioFileInput"] = input.ExternalAudioFileInput;
-  }
-  if (input.LanguageCode !== undefined) {
-    bodyParams["languageCode"] = input.LanguageCode;
-  }
-  if (input.Offset !== undefined) {
-    bodyParams["offset"] = input.Offset;
-  }
-  if (input.Pids !== undefined) {
-    bodyParams[
-      "pids"
-    ] = serializeAws_restJson1_1__listOf__integerMin1Max2147483647(
-      input.Pids,
-      context
-    );
-  }
-  if (input.ProgramSelection !== undefined) {
-    bodyParams["programSelection"] = input.ProgramSelection;
-  }
-  if (input.RemixSettings !== undefined) {
-    bodyParams["remixSettings"] = serializeAws_restJson1_1RemixSettings(
-      input.RemixSettings,
-      context
-    );
-  }
-  if (input.SelectorType !== undefined) {
-    bodyParams["selectorType"] = input.SelectorType;
-  }
-  if (input.Tracks !== undefined) {
-    bodyParams[
-      "tracks"
-    ] = serializeAws_restJson1_1__listOf__integerMin1Max2147483647(
-      input.Tracks,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.CustomLanguageCode !== undefined && {
+      customLanguageCode: input.CustomLanguageCode
+    }),
+    ...(input.DefaultSelection !== undefined && {
+      defaultSelection: input.DefaultSelection
+    }),
+    ...(input.ExternalAudioFileInput !== undefined && {
+      externalAudioFileInput: input.ExternalAudioFileInput
+    }),
+    ...(input.LanguageCode !== undefined && {
+      languageCode: input.LanguageCode
+    }),
+    ...(input.Offset !== undefined && { offset: input.Offset }),
+    ...(input.Pids !== undefined && {
+      pids: serializeAws_restJson1_1__listOf__integerMin1Max2147483647(
+        input.Pids,
+        context
+      )
+    }),
+    ...(input.ProgramSelection !== undefined && {
+      programSelection: input.ProgramSelection
+    }),
+    ...(input.RemixSettings !== undefined && {
+      remixSettings: serializeAws_restJson1_1RemixSettings(
+        input.RemixSettings,
+        context
+      )
+    }),
+    ...(input.SelectorType !== undefined && {
+      selectorType: input.SelectorType
+    }),
+    ...(input.Tracks !== undefined && {
+      tracks: serializeAws_restJson1_1__listOf__integerMin1Max2147483647(
+        input.Tracks,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1AudioSelectorGroup = (
   input: AudioSelectorGroup,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AudioSelectorNames !== undefined) {
-    bodyParams[
-      "audioSelectorNames"
-    ] = serializeAws_restJson1_1__listOf__stringMin1(
-      input.AudioSelectorNames,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.AudioSelectorNames !== undefined && {
+      audioSelectorNames: serializeAws_restJson1_1__listOf__stringMin1(
+        input.AudioSelectorNames,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1AvailBlanking = (
   input: AvailBlanking,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AvailBlankingImage !== undefined) {
-    bodyParams["availBlankingImage"] = input.AvailBlankingImage;
-  }
-  return bodyParams;
+  return {
+    ...(input.AvailBlankingImage !== undefined && {
+      availBlankingImage: input.AvailBlankingImage
+    })
+  };
 };
 
 const serializeAws_restJson1_1BurninDestinationSettings = (
   input: BurninDestinationSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Alignment !== undefined) {
-    bodyParams["alignment"] = input.Alignment;
-  }
-  if (input.BackgroundColor !== undefined) {
-    bodyParams["backgroundColor"] = input.BackgroundColor;
-  }
-  if (input.BackgroundOpacity !== undefined) {
-    bodyParams["backgroundOpacity"] = input.BackgroundOpacity;
-  }
-  if (input.FontColor !== undefined) {
-    bodyParams["fontColor"] = input.FontColor;
-  }
-  if (input.FontOpacity !== undefined) {
-    bodyParams["fontOpacity"] = input.FontOpacity;
-  }
-  if (input.FontResolution !== undefined) {
-    bodyParams["fontResolution"] = input.FontResolution;
-  }
-  if (input.FontScript !== undefined) {
-    bodyParams["fontScript"] = input.FontScript;
-  }
-  if (input.FontSize !== undefined) {
-    bodyParams["fontSize"] = input.FontSize;
-  }
-  if (input.OutlineColor !== undefined) {
-    bodyParams["outlineColor"] = input.OutlineColor;
-  }
-  if (input.OutlineSize !== undefined) {
-    bodyParams["outlineSize"] = input.OutlineSize;
-  }
-  if (input.ShadowColor !== undefined) {
-    bodyParams["shadowColor"] = input.ShadowColor;
-  }
-  if (input.ShadowOpacity !== undefined) {
-    bodyParams["shadowOpacity"] = input.ShadowOpacity;
-  }
-  if (input.ShadowXOffset !== undefined) {
-    bodyParams["shadowXOffset"] = input.ShadowXOffset;
-  }
-  if (input.ShadowYOffset !== undefined) {
-    bodyParams["shadowYOffset"] = input.ShadowYOffset;
-  }
-  if (input.TeletextSpacing !== undefined) {
-    bodyParams["teletextSpacing"] = input.TeletextSpacing;
-  }
-  if (input.XPosition !== undefined) {
-    bodyParams["xPosition"] = input.XPosition;
-  }
-  if (input.YPosition !== undefined) {
-    bodyParams["yPosition"] = input.YPosition;
-  }
-  return bodyParams;
+  return {
+    ...(input.Alignment !== undefined && { alignment: input.Alignment }),
+    ...(input.BackgroundColor !== undefined && {
+      backgroundColor: input.BackgroundColor
+    }),
+    ...(input.BackgroundOpacity !== undefined && {
+      backgroundOpacity: input.BackgroundOpacity
+    }),
+    ...(input.FontColor !== undefined && { fontColor: input.FontColor }),
+    ...(input.FontOpacity !== undefined && { fontOpacity: input.FontOpacity }),
+    ...(input.FontResolution !== undefined && {
+      fontResolution: input.FontResolution
+    }),
+    ...(input.FontScript !== undefined && { fontScript: input.FontScript }),
+    ...(input.FontSize !== undefined && { fontSize: input.FontSize }),
+    ...(input.OutlineColor !== undefined && {
+      outlineColor: input.OutlineColor
+    }),
+    ...(input.OutlineSize !== undefined && { outlineSize: input.OutlineSize }),
+    ...(input.ShadowColor !== undefined && { shadowColor: input.ShadowColor }),
+    ...(input.ShadowOpacity !== undefined && {
+      shadowOpacity: input.ShadowOpacity
+    }),
+    ...(input.ShadowXOffset !== undefined && {
+      shadowXOffset: input.ShadowXOffset
+    }),
+    ...(input.ShadowYOffset !== undefined && {
+      shadowYOffset: input.ShadowYOffset
+    }),
+    ...(input.TeletextSpacing !== undefined && {
+      teletextSpacing: input.TeletextSpacing
+    }),
+    ...(input.XPosition !== undefined && { xPosition: input.XPosition }),
+    ...(input.YPosition !== undefined && { yPosition: input.YPosition })
+  };
 };
 
 const serializeAws_restJson1_1CaptionDescription = (
   input: CaptionDescription,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CaptionSelectorName !== undefined) {
-    bodyParams["captionSelectorName"] = input.CaptionSelectorName;
-  }
-  if (input.CustomLanguageCode !== undefined) {
-    bodyParams["customLanguageCode"] = input.CustomLanguageCode;
-  }
-  if (input.DestinationSettings !== undefined) {
-    bodyParams[
-      "destinationSettings"
-    ] = serializeAws_restJson1_1CaptionDestinationSettings(
-      input.DestinationSettings,
-      context
-    );
-  }
-  if (input.LanguageCode !== undefined) {
-    bodyParams["languageCode"] = input.LanguageCode;
-  }
-  if (input.LanguageDescription !== undefined) {
-    bodyParams["languageDescription"] = input.LanguageDescription;
-  }
-  return bodyParams;
+  return {
+    ...(input.CaptionSelectorName !== undefined && {
+      captionSelectorName: input.CaptionSelectorName
+    }),
+    ...(input.CustomLanguageCode !== undefined && {
+      customLanguageCode: input.CustomLanguageCode
+    }),
+    ...(input.DestinationSettings !== undefined && {
+      destinationSettings: serializeAws_restJson1_1CaptionDestinationSettings(
+        input.DestinationSettings,
+        context
+      )
+    }),
+    ...(input.LanguageCode !== undefined && {
+      languageCode: input.LanguageCode
+    }),
+    ...(input.LanguageDescription !== undefined && {
+      languageDescription: input.LanguageDescription
+    })
+  };
 };
 
 const serializeAws_restJson1_1CaptionDescriptionPreset = (
   input: CaptionDescriptionPreset,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CustomLanguageCode !== undefined) {
-    bodyParams["customLanguageCode"] = input.CustomLanguageCode;
-  }
-  if (input.DestinationSettings !== undefined) {
-    bodyParams[
-      "destinationSettings"
-    ] = serializeAws_restJson1_1CaptionDestinationSettings(
-      input.DestinationSettings,
-      context
-    );
-  }
-  if (input.LanguageCode !== undefined) {
-    bodyParams["languageCode"] = input.LanguageCode;
-  }
-  if (input.LanguageDescription !== undefined) {
-    bodyParams["languageDescription"] = input.LanguageDescription;
-  }
-  return bodyParams;
+  return {
+    ...(input.CustomLanguageCode !== undefined && {
+      customLanguageCode: input.CustomLanguageCode
+    }),
+    ...(input.DestinationSettings !== undefined && {
+      destinationSettings: serializeAws_restJson1_1CaptionDestinationSettings(
+        input.DestinationSettings,
+        context
+      )
+    }),
+    ...(input.LanguageCode !== undefined && {
+      languageCode: input.LanguageCode
+    }),
+    ...(input.LanguageDescription !== undefined && {
+      languageDescription: input.LanguageDescription
+    })
+  };
 };
 
 const serializeAws_restJson1_1CaptionDestinationSettings = (
   input: CaptionDestinationSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.BurninDestinationSettings !== undefined) {
-    bodyParams[
-      "burninDestinationSettings"
-    ] = serializeAws_restJson1_1BurninDestinationSettings(
-      input.BurninDestinationSettings,
-      context
-    );
-  }
-  if (input.DestinationType !== undefined) {
-    bodyParams["destinationType"] = input.DestinationType;
-  }
-  if (input.DvbSubDestinationSettings !== undefined) {
-    bodyParams[
-      "dvbSubDestinationSettings"
-    ] = serializeAws_restJson1_1DvbSubDestinationSettings(
-      input.DvbSubDestinationSettings,
-      context
-    );
-  }
-  if (input.EmbeddedDestinationSettings !== undefined) {
-    bodyParams[
-      "embeddedDestinationSettings"
-    ] = serializeAws_restJson1_1EmbeddedDestinationSettings(
-      input.EmbeddedDestinationSettings,
-      context
-    );
-  }
-  if (input.ImscDestinationSettings !== undefined) {
-    bodyParams[
-      "imscDestinationSettings"
-    ] = serializeAws_restJson1_1ImscDestinationSettings(
-      input.ImscDestinationSettings,
-      context
-    );
-  }
-  if (input.SccDestinationSettings !== undefined) {
-    bodyParams[
-      "sccDestinationSettings"
-    ] = serializeAws_restJson1_1SccDestinationSettings(
-      input.SccDestinationSettings,
-      context
-    );
-  }
-  if (input.TeletextDestinationSettings !== undefined) {
-    bodyParams[
-      "teletextDestinationSettings"
-    ] = serializeAws_restJson1_1TeletextDestinationSettings(
-      input.TeletextDestinationSettings,
-      context
-    );
-  }
-  if (input.TtmlDestinationSettings !== undefined) {
-    bodyParams[
-      "ttmlDestinationSettings"
-    ] = serializeAws_restJson1_1TtmlDestinationSettings(
-      input.TtmlDestinationSettings,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.BurninDestinationSettings !== undefined && {
+      burninDestinationSettings: serializeAws_restJson1_1BurninDestinationSettings(
+        input.BurninDestinationSettings,
+        context
+      )
+    }),
+    ...(input.DestinationType !== undefined && {
+      destinationType: input.DestinationType
+    }),
+    ...(input.DvbSubDestinationSettings !== undefined && {
+      dvbSubDestinationSettings: serializeAws_restJson1_1DvbSubDestinationSettings(
+        input.DvbSubDestinationSettings,
+        context
+      )
+    }),
+    ...(input.EmbeddedDestinationSettings !== undefined && {
+      embeddedDestinationSettings: serializeAws_restJson1_1EmbeddedDestinationSettings(
+        input.EmbeddedDestinationSettings,
+        context
+      )
+    }),
+    ...(input.ImscDestinationSettings !== undefined && {
+      imscDestinationSettings: serializeAws_restJson1_1ImscDestinationSettings(
+        input.ImscDestinationSettings,
+        context
+      )
+    }),
+    ...(input.SccDestinationSettings !== undefined && {
+      sccDestinationSettings: serializeAws_restJson1_1SccDestinationSettings(
+        input.SccDestinationSettings,
+        context
+      )
+    }),
+    ...(input.TeletextDestinationSettings !== undefined && {
+      teletextDestinationSettings: serializeAws_restJson1_1TeletextDestinationSettings(
+        input.TeletextDestinationSettings,
+        context
+      )
+    }),
+    ...(input.TtmlDestinationSettings !== undefined && {
+      ttmlDestinationSettings: serializeAws_restJson1_1TtmlDestinationSettings(
+        input.TtmlDestinationSettings,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1CaptionSelector = (
   input: CaptionSelector,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CustomLanguageCode !== undefined) {
-    bodyParams["customLanguageCode"] = input.CustomLanguageCode;
-  }
-  if (input.LanguageCode !== undefined) {
-    bodyParams["languageCode"] = input.LanguageCode;
-  }
-  if (input.SourceSettings !== undefined) {
-    bodyParams[
-      "sourceSettings"
-    ] = serializeAws_restJson1_1CaptionSourceSettings(
-      input.SourceSettings,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.CustomLanguageCode !== undefined && {
+      customLanguageCode: input.CustomLanguageCode
+    }),
+    ...(input.LanguageCode !== undefined && {
+      languageCode: input.LanguageCode
+    }),
+    ...(input.SourceSettings !== undefined && {
+      sourceSettings: serializeAws_restJson1_1CaptionSourceSettings(
+        input.SourceSettings,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1CaptionSourceSettings = (
   input: CaptionSourceSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AncillarySourceSettings !== undefined) {
-    bodyParams[
-      "ancillarySourceSettings"
-    ] = serializeAws_restJson1_1AncillarySourceSettings(
-      input.AncillarySourceSettings,
-      context
-    );
-  }
-  if (input.DvbSubSourceSettings !== undefined) {
-    bodyParams[
-      "dvbSubSourceSettings"
-    ] = serializeAws_restJson1_1DvbSubSourceSettings(
-      input.DvbSubSourceSettings,
-      context
-    );
-  }
-  if (input.EmbeddedSourceSettings !== undefined) {
-    bodyParams[
-      "embeddedSourceSettings"
-    ] = serializeAws_restJson1_1EmbeddedSourceSettings(
-      input.EmbeddedSourceSettings,
-      context
-    );
-  }
-  if (input.FileSourceSettings !== undefined) {
-    bodyParams[
-      "fileSourceSettings"
-    ] = serializeAws_restJson1_1FileSourceSettings(
-      input.FileSourceSettings,
-      context
-    );
-  }
-  if (input.SourceType !== undefined) {
-    bodyParams["sourceType"] = input.SourceType;
-  }
-  if (input.TeletextSourceSettings !== undefined) {
-    bodyParams[
-      "teletextSourceSettings"
-    ] = serializeAws_restJson1_1TeletextSourceSettings(
-      input.TeletextSourceSettings,
-      context
-    );
-  }
-  if (input.TrackSourceSettings !== undefined) {
-    bodyParams[
-      "trackSourceSettings"
-    ] = serializeAws_restJson1_1TrackSourceSettings(
-      input.TrackSourceSettings,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.AncillarySourceSettings !== undefined && {
+      ancillarySourceSettings: serializeAws_restJson1_1AncillarySourceSettings(
+        input.AncillarySourceSettings,
+        context
+      )
+    }),
+    ...(input.DvbSubSourceSettings !== undefined && {
+      dvbSubSourceSettings: serializeAws_restJson1_1DvbSubSourceSettings(
+        input.DvbSubSourceSettings,
+        context
+      )
+    }),
+    ...(input.EmbeddedSourceSettings !== undefined && {
+      embeddedSourceSettings: serializeAws_restJson1_1EmbeddedSourceSettings(
+        input.EmbeddedSourceSettings,
+        context
+      )
+    }),
+    ...(input.FileSourceSettings !== undefined && {
+      fileSourceSettings: serializeAws_restJson1_1FileSourceSettings(
+        input.FileSourceSettings,
+        context
+      )
+    }),
+    ...(input.SourceType !== undefined && { sourceType: input.SourceType }),
+    ...(input.TeletextSourceSettings !== undefined && {
+      teletextSourceSettings: serializeAws_restJson1_1TeletextSourceSettings(
+        input.TeletextSourceSettings,
+        context
+      )
+    }),
+    ...(input.TrackSourceSettings !== undefined && {
+      trackSourceSettings: serializeAws_restJson1_1TrackSourceSettings(
+        input.TrackSourceSettings,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1ChannelMapping = (
   input: ChannelMapping,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.OutputChannels !== undefined) {
-    bodyParams[
-      "outputChannels"
-    ] = serializeAws_restJson1_1__listOfOutputChannelMapping(
-      input.OutputChannels,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.OutputChannels !== undefined && {
+      outputChannels: serializeAws_restJson1_1__listOfOutputChannelMapping(
+        input.OutputChannels,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1CmafAdditionalManifest = (
   input: CmafAdditionalManifest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ManifestNameModifier !== undefined) {
-    bodyParams["manifestNameModifier"] = input.ManifestNameModifier;
-  }
-  if (input.SelectedOutputs !== undefined) {
-    bodyParams[
-      "selectedOutputs"
-    ] = serializeAws_restJson1_1__listOf__stringMin1(
-      input.SelectedOutputs,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ManifestNameModifier !== undefined && {
+      manifestNameModifier: input.ManifestNameModifier
+    }),
+    ...(input.SelectedOutputs !== undefined && {
+      selectedOutputs: serializeAws_restJson1_1__listOf__stringMin1(
+        input.SelectedOutputs,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1CmafEncryptionSettings = (
   input: CmafEncryptionSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ConstantInitializationVector !== undefined) {
-    bodyParams["constantInitializationVector"] =
-      input.ConstantInitializationVector;
-  }
-  if (input.EncryptionMethod !== undefined) {
-    bodyParams["encryptionMethod"] = input.EncryptionMethod;
-  }
-  if (input.InitializationVectorInManifest !== undefined) {
-    bodyParams["initializationVectorInManifest"] =
-      input.InitializationVectorInManifest;
-  }
-  if (input.SpekeKeyProvider !== undefined) {
-    bodyParams[
-      "spekeKeyProvider"
-    ] = serializeAws_restJson1_1SpekeKeyProviderCmaf(
-      input.SpekeKeyProvider,
-      context
-    );
-  }
-  if (input.StaticKeyProvider !== undefined) {
-    bodyParams["staticKeyProvider"] = serializeAws_restJson1_1StaticKeyProvider(
-      input.StaticKeyProvider,
-      context
-    );
-  }
-  if (input.Type !== undefined) {
-    bodyParams["type"] = input.Type;
-  }
-  return bodyParams;
+  return {
+    ...(input.ConstantInitializationVector !== undefined && {
+      constantInitializationVector: input.ConstantInitializationVector
+    }),
+    ...(input.EncryptionMethod !== undefined && {
+      encryptionMethod: input.EncryptionMethod
+    }),
+    ...(input.InitializationVectorInManifest !== undefined && {
+      initializationVectorInManifest: input.InitializationVectorInManifest
+    }),
+    ...(input.SpekeKeyProvider !== undefined && {
+      spekeKeyProvider: serializeAws_restJson1_1SpekeKeyProviderCmaf(
+        input.SpekeKeyProvider,
+        context
+      )
+    }),
+    ...(input.StaticKeyProvider !== undefined && {
+      staticKeyProvider: serializeAws_restJson1_1StaticKeyProvider(
+        input.StaticKeyProvider,
+        context
+      )
+    }),
+    ...(input.Type !== undefined && { type: input.Type })
+  };
 };
 
 const serializeAws_restJson1_1CmafGroupSettings = (
   input: CmafGroupSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AdditionalManifests !== undefined) {
-    bodyParams[
-      "additionalManifests"
-    ] = serializeAws_restJson1_1__listOfCmafAdditionalManifest(
-      input.AdditionalManifests,
-      context
-    );
-  }
-  if (input.BaseUrl !== undefined) {
-    bodyParams["baseUrl"] = input.BaseUrl;
-  }
-  if (input.ClientCache !== undefined) {
-    bodyParams["clientCache"] = input.ClientCache;
-  }
-  if (input.CodecSpecification !== undefined) {
-    bodyParams["codecSpecification"] = input.CodecSpecification;
-  }
-  if (input.Destination !== undefined) {
-    bodyParams["destination"] = input.Destination;
-  }
-  if (input.DestinationSettings !== undefined) {
-    bodyParams[
-      "destinationSettings"
-    ] = serializeAws_restJson1_1DestinationSettings(
-      input.DestinationSettings,
-      context
-    );
-  }
-  if (input.Encryption !== undefined) {
-    bodyParams["encryption"] = serializeAws_restJson1_1CmafEncryptionSettings(
-      input.Encryption,
-      context
-    );
-  }
-  if (input.FragmentLength !== undefined) {
-    bodyParams["fragmentLength"] = input.FragmentLength;
-  }
-  if (input.ManifestCompression !== undefined) {
-    bodyParams["manifestCompression"] = input.ManifestCompression;
-  }
-  if (input.ManifestDurationFormat !== undefined) {
-    bodyParams["manifestDurationFormat"] = input.ManifestDurationFormat;
-  }
-  if (input.MinBufferTime !== undefined) {
-    bodyParams["minBufferTime"] = input.MinBufferTime;
-  }
-  if (input.MinFinalSegmentLength !== undefined) {
-    bodyParams["minFinalSegmentLength"] = input.MinFinalSegmentLength;
-  }
-  if (input.MpdProfile !== undefined) {
-    bodyParams["mpdProfile"] = input.MpdProfile;
-  }
-  if (input.SegmentControl !== undefined) {
-    bodyParams["segmentControl"] = input.SegmentControl;
-  }
-  if (input.SegmentLength !== undefined) {
-    bodyParams["segmentLength"] = input.SegmentLength;
-  }
-  if (input.StreamInfResolution !== undefined) {
-    bodyParams["streamInfResolution"] = input.StreamInfResolution;
-  }
-  if (input.WriteDashManifest !== undefined) {
-    bodyParams["writeDashManifest"] = input.WriteDashManifest;
-  }
-  if (input.WriteHlsManifest !== undefined) {
-    bodyParams["writeHlsManifest"] = input.WriteHlsManifest;
-  }
-  if (input.WriteSegmentTimelineInRepresentation !== undefined) {
-    bodyParams["writeSegmentTimelineInRepresentation"] =
-      input.WriteSegmentTimelineInRepresentation;
-  }
-  return bodyParams;
+  return {
+    ...(input.AdditionalManifests !== undefined && {
+      additionalManifests: serializeAws_restJson1_1__listOfCmafAdditionalManifest(
+        input.AdditionalManifests,
+        context
+      )
+    }),
+    ...(input.BaseUrl !== undefined && { baseUrl: input.BaseUrl }),
+    ...(input.ClientCache !== undefined && { clientCache: input.ClientCache }),
+    ...(input.CodecSpecification !== undefined && {
+      codecSpecification: input.CodecSpecification
+    }),
+    ...(input.Destination !== undefined && { destination: input.Destination }),
+    ...(input.DestinationSettings !== undefined && {
+      destinationSettings: serializeAws_restJson1_1DestinationSettings(
+        input.DestinationSettings,
+        context
+      )
+    }),
+    ...(input.Encryption !== undefined && {
+      encryption: serializeAws_restJson1_1CmafEncryptionSettings(
+        input.Encryption,
+        context
+      )
+    }),
+    ...(input.FragmentLength !== undefined && {
+      fragmentLength: input.FragmentLength
+    }),
+    ...(input.ManifestCompression !== undefined && {
+      manifestCompression: input.ManifestCompression
+    }),
+    ...(input.ManifestDurationFormat !== undefined && {
+      manifestDurationFormat: input.ManifestDurationFormat
+    }),
+    ...(input.MinBufferTime !== undefined && {
+      minBufferTime: input.MinBufferTime
+    }),
+    ...(input.MinFinalSegmentLength !== undefined && {
+      minFinalSegmentLength: input.MinFinalSegmentLength
+    }),
+    ...(input.MpdProfile !== undefined && { mpdProfile: input.MpdProfile }),
+    ...(input.SegmentControl !== undefined && {
+      segmentControl: input.SegmentControl
+    }),
+    ...(input.SegmentLength !== undefined && {
+      segmentLength: input.SegmentLength
+    }),
+    ...(input.StreamInfResolution !== undefined && {
+      streamInfResolution: input.StreamInfResolution
+    }),
+    ...(input.WriteDashManifest !== undefined && {
+      writeDashManifest: input.WriteDashManifest
+    }),
+    ...(input.WriteHlsManifest !== undefined && {
+      writeHlsManifest: input.WriteHlsManifest
+    }),
+    ...(input.WriteSegmentTimelineInRepresentation !== undefined && {
+      writeSegmentTimelineInRepresentation:
+        input.WriteSegmentTimelineInRepresentation
+    })
+  };
 };
 
 const serializeAws_restJson1_1CmfcSettings = (
   input: CmfcSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Scte35Esam !== undefined) {
-    bodyParams["scte35Esam"] = input.Scte35Esam;
-  }
-  if (input.Scte35Source !== undefined) {
-    bodyParams["scte35Source"] = input.Scte35Source;
-  }
-  return bodyParams;
+  return {
+    ...(input.Scte35Esam !== undefined && { scte35Esam: input.Scte35Esam }),
+    ...(input.Scte35Source !== undefined && {
+      scte35Source: input.Scte35Source
+    })
+  };
 };
 
 const serializeAws_restJson1_1ColorCorrector = (
   input: ColorCorrector,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Brightness !== undefined) {
-    bodyParams["brightness"] = input.Brightness;
-  }
-  if (input.ColorSpaceConversion !== undefined) {
-    bodyParams["colorSpaceConversion"] = input.ColorSpaceConversion;
-  }
-  if (input.Contrast !== undefined) {
-    bodyParams["contrast"] = input.Contrast;
-  }
-  if (input.Hdr10Metadata !== undefined) {
-    bodyParams["hdr10Metadata"] = serializeAws_restJson1_1Hdr10Metadata(
-      input.Hdr10Metadata,
-      context
-    );
-  }
-  if (input.Hue !== undefined) {
-    bodyParams["hue"] = input.Hue;
-  }
-  if (input.Saturation !== undefined) {
-    bodyParams["saturation"] = input.Saturation;
-  }
-  return bodyParams;
+  return {
+    ...(input.Brightness !== undefined && { brightness: input.Brightness }),
+    ...(input.ColorSpaceConversion !== undefined && {
+      colorSpaceConversion: input.ColorSpaceConversion
+    }),
+    ...(input.Contrast !== undefined && { contrast: input.Contrast }),
+    ...(input.Hdr10Metadata !== undefined && {
+      hdr10Metadata: serializeAws_restJson1_1Hdr10Metadata(
+        input.Hdr10Metadata,
+        context
+      )
+    }),
+    ...(input.Hue !== undefined && { hue: input.Hue }),
+    ...(input.Saturation !== undefined && { saturation: input.Saturation })
+  };
 };
 
 const serializeAws_restJson1_1ContainerSettings = (
   input: ContainerSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CmfcSettings !== undefined) {
-    bodyParams["cmfcSettings"] = serializeAws_restJson1_1CmfcSettings(
-      input.CmfcSettings,
-      context
-    );
-  }
-  if (input.Container !== undefined) {
-    bodyParams["container"] = input.Container;
-  }
-  if (input.F4vSettings !== undefined) {
-    bodyParams["f4vSettings"] = serializeAws_restJson1_1F4vSettings(
-      input.F4vSettings,
-      context
-    );
-  }
-  if (input.M2tsSettings !== undefined) {
-    bodyParams["m2tsSettings"] = serializeAws_restJson1_1M2tsSettings(
-      input.M2tsSettings,
-      context
-    );
-  }
-  if (input.M3u8Settings !== undefined) {
-    bodyParams["m3u8Settings"] = serializeAws_restJson1_1M3u8Settings(
-      input.M3u8Settings,
-      context
-    );
-  }
-  if (input.MovSettings !== undefined) {
-    bodyParams["movSettings"] = serializeAws_restJson1_1MovSettings(
-      input.MovSettings,
-      context
-    );
-  }
-  if (input.Mp4Settings !== undefined) {
-    bodyParams["mp4Settings"] = serializeAws_restJson1_1Mp4Settings(
-      input.Mp4Settings,
-      context
-    );
-  }
-  if (input.MpdSettings !== undefined) {
-    bodyParams["mpdSettings"] = serializeAws_restJson1_1MpdSettings(
-      input.MpdSettings,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.CmfcSettings !== undefined && {
+      cmfcSettings: serializeAws_restJson1_1CmfcSettings(
+        input.CmfcSettings,
+        context
+      )
+    }),
+    ...(input.Container !== undefined && { container: input.Container }),
+    ...(input.F4vSettings !== undefined && {
+      f4vSettings: serializeAws_restJson1_1F4vSettings(
+        input.F4vSettings,
+        context
+      )
+    }),
+    ...(input.M2tsSettings !== undefined && {
+      m2tsSettings: serializeAws_restJson1_1M2tsSettings(
+        input.M2tsSettings,
+        context
+      )
+    }),
+    ...(input.M3u8Settings !== undefined && {
+      m3u8Settings: serializeAws_restJson1_1M3u8Settings(
+        input.M3u8Settings,
+        context
+      )
+    }),
+    ...(input.MovSettings !== undefined && {
+      movSettings: serializeAws_restJson1_1MovSettings(
+        input.MovSettings,
+        context
+      )
+    }),
+    ...(input.Mp4Settings !== undefined && {
+      mp4Settings: serializeAws_restJson1_1Mp4Settings(
+        input.Mp4Settings,
+        context
+      )
+    }),
+    ...(input.MpdSettings !== undefined && {
+      mpdSettings: serializeAws_restJson1_1MpdSettings(
+        input.MpdSettings,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1DashAdditionalManifest = (
   input: DashAdditionalManifest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ManifestNameModifier !== undefined) {
-    bodyParams["manifestNameModifier"] = input.ManifestNameModifier;
-  }
-  if (input.SelectedOutputs !== undefined) {
-    bodyParams[
-      "selectedOutputs"
-    ] = serializeAws_restJson1_1__listOf__stringMin1(
-      input.SelectedOutputs,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ManifestNameModifier !== undefined && {
+      manifestNameModifier: input.ManifestNameModifier
+    }),
+    ...(input.SelectedOutputs !== undefined && {
+      selectedOutputs: serializeAws_restJson1_1__listOf__stringMin1(
+        input.SelectedOutputs,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1DashIsoEncryptionSettings = (
   input: DashIsoEncryptionSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.PlaybackDeviceCompatibility !== undefined) {
-    bodyParams["playbackDeviceCompatibility"] =
-      input.PlaybackDeviceCompatibility;
-  }
-  if (input.SpekeKeyProvider !== undefined) {
-    bodyParams["spekeKeyProvider"] = serializeAws_restJson1_1SpekeKeyProvider(
-      input.SpekeKeyProvider,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.PlaybackDeviceCompatibility !== undefined && {
+      playbackDeviceCompatibility: input.PlaybackDeviceCompatibility
+    }),
+    ...(input.SpekeKeyProvider !== undefined && {
+      spekeKeyProvider: serializeAws_restJson1_1SpekeKeyProvider(
+        input.SpekeKeyProvider,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1DashIsoGroupSettings = (
   input: DashIsoGroupSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AdditionalManifests !== undefined) {
-    bodyParams[
-      "additionalManifests"
-    ] = serializeAws_restJson1_1__listOfDashAdditionalManifest(
-      input.AdditionalManifests,
-      context
-    );
-  }
-  if (input.BaseUrl !== undefined) {
-    bodyParams["baseUrl"] = input.BaseUrl;
-  }
-  if (input.Destination !== undefined) {
-    bodyParams["destination"] = input.Destination;
-  }
-  if (input.DestinationSettings !== undefined) {
-    bodyParams[
-      "destinationSettings"
-    ] = serializeAws_restJson1_1DestinationSettings(
-      input.DestinationSettings,
-      context
-    );
-  }
-  if (input.Encryption !== undefined) {
-    bodyParams[
-      "encryption"
-    ] = serializeAws_restJson1_1DashIsoEncryptionSettings(
-      input.Encryption,
-      context
-    );
-  }
-  if (input.FragmentLength !== undefined) {
-    bodyParams["fragmentLength"] = input.FragmentLength;
-  }
-  if (input.HbbtvCompliance !== undefined) {
-    bodyParams["hbbtvCompliance"] = input.HbbtvCompliance;
-  }
-  if (input.MinBufferTime !== undefined) {
-    bodyParams["minBufferTime"] = input.MinBufferTime;
-  }
-  if (input.MpdProfile !== undefined) {
-    bodyParams["mpdProfile"] = input.MpdProfile;
-  }
-  if (input.SegmentControl !== undefined) {
-    bodyParams["segmentControl"] = input.SegmentControl;
-  }
-  if (input.SegmentLength !== undefined) {
-    bodyParams["segmentLength"] = input.SegmentLength;
-  }
-  if (input.WriteSegmentTimelineInRepresentation !== undefined) {
-    bodyParams["writeSegmentTimelineInRepresentation"] =
-      input.WriteSegmentTimelineInRepresentation;
-  }
-  return bodyParams;
+  return {
+    ...(input.AdditionalManifests !== undefined && {
+      additionalManifests: serializeAws_restJson1_1__listOfDashAdditionalManifest(
+        input.AdditionalManifests,
+        context
+      )
+    }),
+    ...(input.BaseUrl !== undefined && { baseUrl: input.BaseUrl }),
+    ...(input.Destination !== undefined && { destination: input.Destination }),
+    ...(input.DestinationSettings !== undefined && {
+      destinationSettings: serializeAws_restJson1_1DestinationSettings(
+        input.DestinationSettings,
+        context
+      )
+    }),
+    ...(input.Encryption !== undefined && {
+      encryption: serializeAws_restJson1_1DashIsoEncryptionSettings(
+        input.Encryption,
+        context
+      )
+    }),
+    ...(input.FragmentLength !== undefined && {
+      fragmentLength: input.FragmentLength
+    }),
+    ...(input.HbbtvCompliance !== undefined && {
+      hbbtvCompliance: input.HbbtvCompliance
+    }),
+    ...(input.MinBufferTime !== undefined && {
+      minBufferTime: input.MinBufferTime
+    }),
+    ...(input.MpdProfile !== undefined && { mpdProfile: input.MpdProfile }),
+    ...(input.SegmentControl !== undefined && {
+      segmentControl: input.SegmentControl
+    }),
+    ...(input.SegmentLength !== undefined && {
+      segmentLength: input.SegmentLength
+    }),
+    ...(input.WriteSegmentTimelineInRepresentation !== undefined && {
+      writeSegmentTimelineInRepresentation:
+        input.WriteSegmentTimelineInRepresentation
+    })
+  };
 };
 
 const serializeAws_restJson1_1Deinterlacer = (
   input: Deinterlacer,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Algorithm !== undefined) {
-    bodyParams["algorithm"] = input.Algorithm;
-  }
-  if (input.Control !== undefined) {
-    bodyParams["control"] = input.Control;
-  }
-  if (input.Mode !== undefined) {
-    bodyParams["mode"] = input.Mode;
-  }
-  return bodyParams;
+  return {
+    ...(input.Algorithm !== undefined && { algorithm: input.Algorithm }),
+    ...(input.Control !== undefined && { control: input.Control }),
+    ...(input.Mode !== undefined && { mode: input.Mode })
+  };
 };
 
 const serializeAws_restJson1_1DestinationSettings = (
   input: DestinationSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.S3Settings !== undefined) {
-    bodyParams["s3Settings"] = serializeAws_restJson1_1S3DestinationSettings(
-      input.S3Settings,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.S3Settings !== undefined && {
+      s3Settings: serializeAws_restJson1_1S3DestinationSettings(
+        input.S3Settings,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1DolbyVision = (
   input: DolbyVision,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.L6Metadata !== undefined) {
-    bodyParams[
-      "l6Metadata"
-    ] = serializeAws_restJson1_1DolbyVisionLevel6Metadata(
-      input.L6Metadata,
-      context
-    );
-  }
-  if (input.L6Mode !== undefined) {
-    bodyParams["l6Mode"] = input.L6Mode;
-  }
-  if (input.Profile !== undefined) {
-    bodyParams["profile"] = input.Profile;
-  }
-  return bodyParams;
+  return {
+    ...(input.L6Metadata !== undefined && {
+      l6Metadata: serializeAws_restJson1_1DolbyVisionLevel6Metadata(
+        input.L6Metadata,
+        context
+      )
+    }),
+    ...(input.L6Mode !== undefined && { l6Mode: input.L6Mode }),
+    ...(input.Profile !== undefined && { profile: input.Profile })
+  };
 };
 
 const serializeAws_restJson1_1DolbyVisionLevel6Metadata = (
   input: DolbyVisionLevel6Metadata,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxCll !== undefined) {
-    bodyParams["maxCll"] = input.MaxCll;
-  }
-  if (input.MaxFall !== undefined) {
-    bodyParams["maxFall"] = input.MaxFall;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxCll !== undefined && { maxCll: input.MaxCll }),
+    ...(input.MaxFall !== undefined && { maxFall: input.MaxFall })
+  };
 };
 
 const serializeAws_restJson1_1DvbNitSettings = (
   input: DvbNitSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.NetworkId !== undefined) {
-    bodyParams["networkId"] = input.NetworkId;
-  }
-  if (input.NetworkName !== undefined) {
-    bodyParams["networkName"] = input.NetworkName;
-  }
-  if (input.NitInterval !== undefined) {
-    bodyParams["nitInterval"] = input.NitInterval;
-  }
-  return bodyParams;
+  return {
+    ...(input.NetworkId !== undefined && { networkId: input.NetworkId }),
+    ...(input.NetworkName !== undefined && { networkName: input.NetworkName }),
+    ...(input.NitInterval !== undefined && { nitInterval: input.NitInterval })
+  };
 };
 
 const serializeAws_restJson1_1DvbSdtSettings = (
   input: DvbSdtSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.OutputSdt !== undefined) {
-    bodyParams["outputSdt"] = input.OutputSdt;
-  }
-  if (input.SdtInterval !== undefined) {
-    bodyParams["sdtInterval"] = input.SdtInterval;
-  }
-  if (input.ServiceName !== undefined) {
-    bodyParams["serviceName"] = input.ServiceName;
-  }
-  if (input.ServiceProviderName !== undefined) {
-    bodyParams["serviceProviderName"] = input.ServiceProviderName;
-  }
-  return bodyParams;
+  return {
+    ...(input.OutputSdt !== undefined && { outputSdt: input.OutputSdt }),
+    ...(input.SdtInterval !== undefined && { sdtInterval: input.SdtInterval }),
+    ...(input.ServiceName !== undefined && { serviceName: input.ServiceName }),
+    ...(input.ServiceProviderName !== undefined && {
+      serviceProviderName: input.ServiceProviderName
+    })
+  };
 };
 
 const serializeAws_restJson1_1DvbSubDestinationSettings = (
   input: DvbSubDestinationSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Alignment !== undefined) {
-    bodyParams["alignment"] = input.Alignment;
-  }
-  if (input.BackgroundColor !== undefined) {
-    bodyParams["backgroundColor"] = input.BackgroundColor;
-  }
-  if (input.BackgroundOpacity !== undefined) {
-    bodyParams["backgroundOpacity"] = input.BackgroundOpacity;
-  }
-  if (input.FontColor !== undefined) {
-    bodyParams["fontColor"] = input.FontColor;
-  }
-  if (input.FontOpacity !== undefined) {
-    bodyParams["fontOpacity"] = input.FontOpacity;
-  }
-  if (input.FontResolution !== undefined) {
-    bodyParams["fontResolution"] = input.FontResolution;
-  }
-  if (input.FontScript !== undefined) {
-    bodyParams["fontScript"] = input.FontScript;
-  }
-  if (input.FontSize !== undefined) {
-    bodyParams["fontSize"] = input.FontSize;
-  }
-  if (input.OutlineColor !== undefined) {
-    bodyParams["outlineColor"] = input.OutlineColor;
-  }
-  if (input.OutlineSize !== undefined) {
-    bodyParams["outlineSize"] = input.OutlineSize;
-  }
-  if (input.ShadowColor !== undefined) {
-    bodyParams["shadowColor"] = input.ShadowColor;
-  }
-  if (input.ShadowOpacity !== undefined) {
-    bodyParams["shadowOpacity"] = input.ShadowOpacity;
-  }
-  if (input.ShadowXOffset !== undefined) {
-    bodyParams["shadowXOffset"] = input.ShadowXOffset;
-  }
-  if (input.ShadowYOffset !== undefined) {
-    bodyParams["shadowYOffset"] = input.ShadowYOffset;
-  }
-  if (input.SubtitlingType !== undefined) {
-    bodyParams["subtitlingType"] = input.SubtitlingType;
-  }
-  if (input.TeletextSpacing !== undefined) {
-    bodyParams["teletextSpacing"] = input.TeletextSpacing;
-  }
-  if (input.XPosition !== undefined) {
-    bodyParams["xPosition"] = input.XPosition;
-  }
-  if (input.YPosition !== undefined) {
-    bodyParams["yPosition"] = input.YPosition;
-  }
-  return bodyParams;
-};
-
+  return {
+    ...(input.Alignment !== undefined && { alignment: input.Alignment }),
+    ...(input.BackgroundColor !== undefined && {
+      backgroundColor: input.BackgroundColor
+    }),
+    ...(input.BackgroundOpacity !== undefined && {
+      backgroundOpacity: input.BackgroundOpacity
+    }),
+    ...(input.FontColor !== undefined && { fontColor: input.FontColor }),
+    ...(input.FontOpacity !== undefined && { fontOpacity: input.FontOpacity }),
+    ...(input.FontResolution !== undefined && {
+      fontResolution: input.FontResolution
+    }),
+    ...(input.FontScript !== undefined && { fontScript: input.FontScript }),
+    ...(input.FontSize !== undefined && { fontSize: input.FontSize }),
+    ...(input.OutlineColor !== undefined && {
+      outlineColor: input.OutlineColor
+    }),
+    ...(input.OutlineSize !== undefined && { outlineSize: input.OutlineSize }),
+    ...(input.ShadowColor !== undefined && { shadowColor: input.ShadowColor }),
+    ...(input.ShadowOpacity !== undefined && {
+      shadowOpacity: input.ShadowOpacity
+    }),
+    ...(input.ShadowXOffset !== undefined && {
+      shadowXOffset: input.ShadowXOffset
+    }),
+    ...(input.ShadowYOffset !== undefined && {
+      shadowYOffset: input.ShadowYOffset
+    }),
+    ...(input.SubtitlingType !== undefined && {
+      subtitlingType: input.SubtitlingType
+    }),
+    ...(input.TeletextSpacing !== undefined && {
+      teletextSpacing: input.TeletextSpacing
+    }),
+    ...(input.XPosition !== undefined && { xPosition: input.XPosition }),
+    ...(input.YPosition !== undefined && { yPosition: input.YPosition })
+  };
+};
+
 const serializeAws_restJson1_1DvbSubSourceSettings = (
   input: DvbSubSourceSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Pid !== undefined) {
-    bodyParams["pid"] = input.Pid;
-  }
-  return bodyParams;
+  return {
+    ...(input.Pid !== undefined && { pid: input.Pid })
+  };
 };
 
 const serializeAws_restJson1_1DvbTdtSettings = (
   input: DvbTdtSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.TdtInterval !== undefined) {
-    bodyParams["tdtInterval"] = input.TdtInterval;
-  }
-  return bodyParams;
+  return {
+    ...(input.TdtInterval !== undefined && { tdtInterval: input.TdtInterval })
+  };
 };
 
 const serializeAws_restJson1_1Eac3AtmosSettings = (
   input: Eac3AtmosSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Bitrate !== undefined) {
-    bodyParams["bitrate"] = input.Bitrate;
-  }
-  if (input.BitstreamMode !== undefined) {
-    bodyParams["bitstreamMode"] = input.BitstreamMode;
-  }
-  if (input.CodingMode !== undefined) {
-    bodyParams["codingMode"] = input.CodingMode;
-  }
-  if (input.DialogueIntelligence !== undefined) {
-    bodyParams["dialogueIntelligence"] = input.DialogueIntelligence;
-  }
-  if (input.DynamicRangeCompressionLine !== undefined) {
-    bodyParams["dynamicRangeCompressionLine"] =
-      input.DynamicRangeCompressionLine;
-  }
-  if (input.DynamicRangeCompressionRf !== undefined) {
-    bodyParams["dynamicRangeCompressionRf"] = input.DynamicRangeCompressionRf;
-  }
-  if (input.LoRoCenterMixLevel !== undefined) {
-    bodyParams["loRoCenterMixLevel"] = input.LoRoCenterMixLevel;
-  }
-  if (input.LoRoSurroundMixLevel !== undefined) {
-    bodyParams["loRoSurroundMixLevel"] = input.LoRoSurroundMixLevel;
-  }
-  if (input.LtRtCenterMixLevel !== undefined) {
-    bodyParams["ltRtCenterMixLevel"] = input.LtRtCenterMixLevel;
-  }
-  if (input.LtRtSurroundMixLevel !== undefined) {
-    bodyParams["ltRtSurroundMixLevel"] = input.LtRtSurroundMixLevel;
-  }
-  if (input.MeteringMode !== undefined) {
-    bodyParams["meteringMode"] = input.MeteringMode;
-  }
-  if (input.SampleRate !== undefined) {
-    bodyParams["sampleRate"] = input.SampleRate;
-  }
-  if (input.SpeechThreshold !== undefined) {
-    bodyParams["speechThreshold"] = input.SpeechThreshold;
-  }
-  if (input.StereoDownmix !== undefined) {
-    bodyParams["stereoDownmix"] = input.StereoDownmix;
-  }
-  if (input.SurroundExMode !== undefined) {
-    bodyParams["surroundExMode"] = input.SurroundExMode;
-  }
-  return bodyParams;
+  return {
+    ...(input.Bitrate !== undefined && { bitrate: input.Bitrate }),
+    ...(input.BitstreamMode !== undefined && {
+      bitstreamMode: input.BitstreamMode
+    }),
+    ...(input.CodingMode !== undefined && { codingMode: input.CodingMode }),
+    ...(input.DialogueIntelligence !== undefined && {
+      dialogueIntelligence: input.DialogueIntelligence
+    }),
+    ...(input.DynamicRangeCompressionLine !== undefined && {
+      dynamicRangeCompressionLine: input.DynamicRangeCompressionLine
+    }),
+    ...(input.DynamicRangeCompressionRf !== undefined && {
+      dynamicRangeCompressionRf: input.DynamicRangeCompressionRf
+    }),
+    ...(input.LoRoCenterMixLevel !== undefined && {
+      loRoCenterMixLevel: input.LoRoCenterMixLevel
+    }),
+    ...(input.LoRoSurroundMixLevel !== undefined && {
+      loRoSurroundMixLevel: input.LoRoSurroundMixLevel
+    }),
+    ...(input.LtRtCenterMixLevel !== undefined && {
+      ltRtCenterMixLevel: input.LtRtCenterMixLevel
+    }),
+    ...(input.LtRtSurroundMixLevel !== undefined && {
+      ltRtSurroundMixLevel: input.LtRtSurroundMixLevel
+    }),
+    ...(input.MeteringMode !== undefined && {
+      meteringMode: input.MeteringMode
+    }),
+    ...(input.SampleRate !== undefined && { sampleRate: input.SampleRate }),
+    ...(input.SpeechThreshold !== undefined && {
+      speechThreshold: input.SpeechThreshold
+    }),
+    ...(input.StereoDownmix !== undefined && {
+      stereoDownmix: input.StereoDownmix
+    }),
+    ...(input.SurroundExMode !== undefined && {
+      surroundExMode: input.SurroundExMode
+    })
+  };
 };
 
 const serializeAws_restJson1_1Eac3Settings = (
   input: Eac3Settings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AttenuationControl !== undefined) {
-    bodyParams["attenuationControl"] = input.AttenuationControl;
-  }
-  if (input.Bitrate !== undefined) {
-    bodyParams["bitrate"] = input.Bitrate;
-  }
-  if (input.BitstreamMode !== undefined) {
-    bodyParams["bitstreamMode"] = input.BitstreamMode;
-  }
-  if (input.CodingMode !== undefined) {
-    bodyParams["codingMode"] = input.CodingMode;
-  }
-  if (input.DcFilter !== undefined) {
-    bodyParams["dcFilter"] = input.DcFilter;
-  }
-  if (input.Dialnorm !== undefined) {
-    bodyParams["dialnorm"] = input.Dialnorm;
-  }
-  if (input.DynamicRangeCompressionLine !== undefined) {
-    bodyParams["dynamicRangeCompressionLine"] =
-      input.DynamicRangeCompressionLine;
-  }
-  if (input.DynamicRangeCompressionRf !== undefined) {
-    bodyParams["dynamicRangeCompressionRf"] = input.DynamicRangeCompressionRf;
-  }
-  if (input.LfeControl !== undefined) {
-    bodyParams["lfeControl"] = input.LfeControl;
-  }
-  if (input.LfeFilter !== undefined) {
-    bodyParams["lfeFilter"] = input.LfeFilter;
-  }
-  if (input.LoRoCenterMixLevel !== undefined) {
-    bodyParams["loRoCenterMixLevel"] = input.LoRoCenterMixLevel;
-  }
-  if (input.LoRoSurroundMixLevel !== undefined) {
-    bodyParams["loRoSurroundMixLevel"] = input.LoRoSurroundMixLevel;
-  }
-  if (input.LtRtCenterMixLevel !== undefined) {
-    bodyParams["ltRtCenterMixLevel"] = input.LtRtCenterMixLevel;
-  }
-  if (input.LtRtSurroundMixLevel !== undefined) {
-    bodyParams["ltRtSurroundMixLevel"] = input.LtRtSurroundMixLevel;
-  }
-  if (input.MetadataControl !== undefined) {
-    bodyParams["metadataControl"] = input.MetadataControl;
-  }
-  if (input.PassthroughControl !== undefined) {
-    bodyParams["passthroughControl"] = input.PassthroughControl;
-  }
-  if (input.PhaseControl !== undefined) {
-    bodyParams["phaseControl"] = input.PhaseControl;
-  }
-  if (input.SampleRate !== undefined) {
-    bodyParams["sampleRate"] = input.SampleRate;
-  }
-  if (input.StereoDownmix !== undefined) {
-    bodyParams["stereoDownmix"] = input.StereoDownmix;
-  }
-  if (input.SurroundExMode !== undefined) {
-    bodyParams["surroundExMode"] = input.SurroundExMode;
-  }
-  if (input.SurroundMode !== undefined) {
-    bodyParams["surroundMode"] = input.SurroundMode;
-  }
-  return bodyParams;
+  return {
+    ...(input.AttenuationControl !== undefined && {
+      attenuationControl: input.AttenuationControl
+    }),
+    ...(input.Bitrate !== undefined && { bitrate: input.Bitrate }),
+    ...(input.BitstreamMode !== undefined && {
+      bitstreamMode: input.BitstreamMode
+    }),
+    ...(input.CodingMode !== undefined && { codingMode: input.CodingMode }),
+    ...(input.DcFilter !== undefined && { dcFilter: input.DcFilter }),
+    ...(input.Dialnorm !== undefined && { dialnorm: input.Dialnorm }),
+    ...(input.DynamicRangeCompressionLine !== undefined && {
+      dynamicRangeCompressionLine: input.DynamicRangeCompressionLine
+    }),
+    ...(input.DynamicRangeCompressionRf !== undefined && {
+      dynamicRangeCompressionRf: input.DynamicRangeCompressionRf
+    }),
+    ...(input.LfeControl !== undefined && { lfeControl: input.LfeControl }),
+    ...(input.LfeFilter !== undefined && { lfeFilter: input.LfeFilter }),
+    ...(input.LoRoCenterMixLevel !== undefined && {
+      loRoCenterMixLevel: input.LoRoCenterMixLevel
+    }),
+    ...(input.LoRoSurroundMixLevel !== undefined && {
+      loRoSurroundMixLevel: input.LoRoSurroundMixLevel
+    }),
+    ...(input.LtRtCenterMixLevel !== undefined && {
+      ltRtCenterMixLevel: input.LtRtCenterMixLevel
+    }),
+    ...(input.LtRtSurroundMixLevel !== undefined && {
+      ltRtSurroundMixLevel: input.LtRtSurroundMixLevel
+    }),
+    ...(input.MetadataControl !== undefined && {
+      metadataControl: input.MetadataControl
+    }),
+    ...(input.PassthroughControl !== undefined && {
+      passthroughControl: input.PassthroughControl
+    }),
+    ...(input.PhaseControl !== undefined && {
+      phaseControl: input.PhaseControl
+    }),
+    ...(input.SampleRate !== undefined && { sampleRate: input.SampleRate }),
+    ...(input.StereoDownmix !== undefined && {
+      stereoDownmix: input.StereoDownmix
+    }),
+    ...(input.SurroundExMode !== undefined && {
+      surroundExMode: input.SurroundExMode
+    }),
+    ...(input.SurroundMode !== undefined && {
+      surroundMode: input.SurroundMode
+    })
+  };
 };
 
 const serializeAws_restJson1_1EmbeddedDestinationSettings = (
   input: EmbeddedDestinationSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Destination608ChannelNumber !== undefined) {
-    bodyParams["destination608ChannelNumber"] =
-      input.Destination608ChannelNumber;
-  }
-  if (input.Destination708ServiceNumber !== undefined) {
-    bodyParams["destination708ServiceNumber"] =
-      input.Destination708ServiceNumber;
-  }
-  return bodyParams;
+  return {
+    ...(input.Destination608ChannelNumber !== undefined && {
+      destination608ChannelNumber: input.Destination608ChannelNumber
+    }),
+    ...(input.Destination708ServiceNumber !== undefined && {
+      destination708ServiceNumber: input.Destination708ServiceNumber
+    })
+  };
 };
 
 const serializeAws_restJson1_1EmbeddedSourceSettings = (
   input: EmbeddedSourceSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Convert608To708 !== undefined) {
-    bodyParams["convert608To708"] = input.Convert608To708;
-  }
-  if (input.Source608ChannelNumber !== undefined) {
-    bodyParams["source608ChannelNumber"] = input.Source608ChannelNumber;
-  }
-  if (input.Source608TrackNumber !== undefined) {
-    bodyParams["source608TrackNumber"] = input.Source608TrackNumber;
-  }
-  if (input.TerminateCaptions !== undefined) {
-    bodyParams["terminateCaptions"] = input.TerminateCaptions;
-  }
-  return bodyParams;
+  return {
+    ...(input.Convert608To708 !== undefined && {
+      convert608To708: input.Convert608To708
+    }),
+    ...(input.Source608ChannelNumber !== undefined && {
+      source608ChannelNumber: input.Source608ChannelNumber
+    }),
+    ...(input.Source608TrackNumber !== undefined && {
+      source608TrackNumber: input.Source608TrackNumber
+    }),
+    ...(input.TerminateCaptions !== undefined && {
+      terminateCaptions: input.TerminateCaptions
+    })
+  };
 };
 
 const serializeAws_restJson1_1EsamManifestConfirmConditionNotification = (
   input: EsamManifestConfirmConditionNotification,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MccXml !== undefined) {
-    bodyParams["mccXml"] = input.MccXml;
-  }
-  return bodyParams;
+  return {
+    ...(input.MccXml !== undefined && { mccXml: input.MccXml })
+  };
 };
 
 const serializeAws_restJson1_1EsamSettings = (
   input: EsamSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ManifestConfirmConditionNotification !== undefined) {
-    bodyParams[
-      "manifestConfirmConditionNotification"
-    ] = serializeAws_restJson1_1EsamManifestConfirmConditionNotification(
-      input.ManifestConfirmConditionNotification,
-      context
-    );
-  }
-  if (input.ResponseSignalPreroll !== undefined) {
-    bodyParams["responseSignalPreroll"] = input.ResponseSignalPreroll;
-  }
-  if (input.SignalProcessingNotification !== undefined) {
-    bodyParams[
-      "signalProcessingNotification"
-    ] = serializeAws_restJson1_1EsamSignalProcessingNotification(
-      input.SignalProcessingNotification,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ManifestConfirmConditionNotification !== undefined && {
+      manifestConfirmConditionNotification: serializeAws_restJson1_1EsamManifestConfirmConditionNotification(
+        input.ManifestConfirmConditionNotification,
+        context
+      )
+    }),
+    ...(input.ResponseSignalPreroll !== undefined && {
+      responseSignalPreroll: input.ResponseSignalPreroll
+    }),
+    ...(input.SignalProcessingNotification !== undefined && {
+      signalProcessingNotification: serializeAws_restJson1_1EsamSignalProcessingNotification(
+        input.SignalProcessingNotification,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1EsamSignalProcessingNotification = (
   input: EsamSignalProcessingNotification,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.SccXml !== undefined) {
-    bodyParams["sccXml"] = input.SccXml;
-  }
-  return bodyParams;
+  return {
+    ...(input.SccXml !== undefined && { sccXml: input.SccXml })
+  };
 };
 
 const serializeAws_restJson1_1F4vSettings = (
   input: F4vSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MoovPlacement !== undefined) {
-    bodyParams["moovPlacement"] = input.MoovPlacement;
-  }
-  return bodyParams;
+  return {
+    ...(input.MoovPlacement !== undefined && {
+      moovPlacement: input.MoovPlacement
+    })
+  };
 };
 
 const serializeAws_restJson1_1FileGroupSettings = (
   input: FileGroupSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Destination !== undefined) {
-    bodyParams["destination"] = input.Destination;
-  }
-  if (input.DestinationSettings !== undefined) {
-    bodyParams[
-      "destinationSettings"
-    ] = serializeAws_restJson1_1DestinationSettings(
-      input.DestinationSettings,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Destination !== undefined && { destination: input.Destination }),
+    ...(input.DestinationSettings !== undefined && {
+      destinationSettings: serializeAws_restJson1_1DestinationSettings(
+        input.DestinationSettings,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1FileSourceSettings = (
   input: FileSourceSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Convert608To708 !== undefined) {
-    bodyParams["convert608To708"] = input.Convert608To708;
-  }
-  if (input.SourceFile !== undefined) {
-    bodyParams["sourceFile"] = input.SourceFile;
-  }
-  if (input.TimeDelta !== undefined) {
-    bodyParams["timeDelta"] = input.TimeDelta;
-  }
-  return bodyParams;
+  return {
+    ...(input.Convert608To708 !== undefined && {
+      convert608To708: input.Convert608To708
+    }),
+    ...(input.SourceFile !== undefined && { sourceFile: input.SourceFile }),
+    ...(input.TimeDelta !== undefined && { timeDelta: input.TimeDelta })
+  };
 };
 
 const serializeAws_restJson1_1FrameCaptureSettings = (
   input: FrameCaptureSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.FramerateDenominator !== undefined) {
-    bodyParams["framerateDenominator"] = input.FramerateDenominator;
-  }
-  if (input.FramerateNumerator !== undefined) {
-    bodyParams["framerateNumerator"] = input.FramerateNumerator;
-  }
-  if (input.MaxCaptures !== undefined) {
-    bodyParams["maxCaptures"] = input.MaxCaptures;
-  }
-  if (input.Quality !== undefined) {
-    bodyParams["quality"] = input.Quality;
-  }
-  return bodyParams;
+  return {
+    ...(input.FramerateDenominator !== undefined && {
+      framerateDenominator: input.FramerateDenominator
+    }),
+    ...(input.FramerateNumerator !== undefined && {
+      framerateNumerator: input.FramerateNumerator
+    }),
+    ...(input.MaxCaptures !== undefined && { maxCaptures: input.MaxCaptures }),
+    ...(input.Quality !== undefined && { quality: input.Quality })
+  };
 };
 
 const serializeAws_restJson1_1H264QvbrSettings = (
   input: H264QvbrSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxAverageBitrate !== undefined) {
-    bodyParams["maxAverageBitrate"] = input.MaxAverageBitrate;
-  }
-  if (input.QvbrQualityLevel !== undefined) {
-    bodyParams["qvbrQualityLevel"] = input.QvbrQualityLevel;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxAverageBitrate !== undefined && {
+      maxAverageBitrate: input.MaxAverageBitrate
+    }),
+    ...(input.QvbrQualityLevel !== undefined && {
+      qvbrQualityLevel: input.QvbrQualityLevel
+    })
+  };
 };
 
 const serializeAws_restJson1_1H264Settings = (
   input: H264Settings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AdaptiveQuantization !== undefined) {
-    bodyParams["adaptiveQuantization"] = input.AdaptiveQuantization;
-  }
-  if (input.Bitrate !== undefined) {
-    bodyParams["bitrate"] = input.Bitrate;
-  }
-  if (input.CodecLevel !== undefined) {
-    bodyParams["codecLevel"] = input.CodecLevel;
-  }
-  if (input.CodecProfile !== undefined) {
-    bodyParams["codecProfile"] = input.CodecProfile;
-  }
-  if (input.DynamicSubGop !== undefined) {
-    bodyParams["dynamicSubGop"] = input.DynamicSubGop;
-  }
-  if (input.EntropyEncoding !== undefined) {
-    bodyParams["entropyEncoding"] = input.EntropyEncoding;
-  }
-  if (input.FieldEncoding !== undefined) {
-    bodyParams["fieldEncoding"] = input.FieldEncoding;
-  }
-  if (input.FlickerAdaptiveQuantization !== undefined) {
-    bodyParams["flickerAdaptiveQuantization"] =
-      input.FlickerAdaptiveQuantization;
-  }
-  if (input.FramerateControl !== undefined) {
-    bodyParams["framerateControl"] = input.FramerateControl;
-  }
-  if (input.FramerateConversionAlgorithm !== undefined) {
-    bodyParams["framerateConversionAlgorithm"] =
-      input.FramerateConversionAlgorithm;
-  }
-  if (input.FramerateDenominator !== undefined) {
-    bodyParams["framerateDenominator"] = input.FramerateDenominator;
-  }
-  if (input.FramerateNumerator !== undefined) {
-    bodyParams["framerateNumerator"] = input.FramerateNumerator;
-  }
-  if (input.GopBReference !== undefined) {
-    bodyParams["gopBReference"] = input.GopBReference;
-  }
-  if (input.GopClosedCadence !== undefined) {
-    bodyParams["gopClosedCadence"] = input.GopClosedCadence;
-  }
-  if (input.GopSize !== undefined) {
-    bodyParams["gopSize"] = input.GopSize;
-  }
-  if (input.GopSizeUnits !== undefined) {
-    bodyParams["gopSizeUnits"] = input.GopSizeUnits;
-  }
-  if (input.HrdBufferInitialFillPercentage !== undefined) {
-    bodyParams["hrdBufferInitialFillPercentage"] =
-      input.HrdBufferInitialFillPercentage;
-  }
-  if (input.HrdBufferSize !== undefined) {
-    bodyParams["hrdBufferSize"] = input.HrdBufferSize;
-  }
-  if (input.InterlaceMode !== undefined) {
-    bodyParams["interlaceMode"] = input.InterlaceMode;
-  }
-  if (input.MaxBitrate !== undefined) {
-    bodyParams["maxBitrate"] = input.MaxBitrate;
-  }
-  if (input.MinIInterval !== undefined) {
-    bodyParams["minIInterval"] = input.MinIInterval;
-  }
-  if (input.NumberBFramesBetweenReferenceFrames !== undefined) {
-    bodyParams["numberBFramesBetweenReferenceFrames"] =
-      input.NumberBFramesBetweenReferenceFrames;
-  }
-  if (input.NumberReferenceFrames !== undefined) {
-    bodyParams["numberReferenceFrames"] = input.NumberReferenceFrames;
-  }
-  if (input.ParControl !== undefined) {
-    bodyParams["parControl"] = input.ParControl;
-  }
-  if (input.ParDenominator !== undefined) {
-    bodyParams["parDenominator"] = input.ParDenominator;
-  }
-  if (input.ParNumerator !== undefined) {
-    bodyParams["parNumerator"] = input.ParNumerator;
-  }
-  if (input.QualityTuningLevel !== undefined) {
-    bodyParams["qualityTuningLevel"] = input.QualityTuningLevel;
-  }
-  if (input.QvbrSettings !== undefined) {
-    bodyParams["qvbrSettings"] = serializeAws_restJson1_1H264QvbrSettings(
-      input.QvbrSettings,
-      context
-    );
-  }
-  if (input.RateControlMode !== undefined) {
-    bodyParams["rateControlMode"] = input.RateControlMode;
-  }
-  if (input.RepeatPps !== undefined) {
-    bodyParams["repeatPps"] = input.RepeatPps;
-  }
-  if (input.SceneChangeDetect !== undefined) {
-    bodyParams["sceneChangeDetect"] = input.SceneChangeDetect;
-  }
-  if (input.Slices !== undefined) {
-    bodyParams["slices"] = input.Slices;
-  }
-  if (input.SlowPal !== undefined) {
-    bodyParams["slowPal"] = input.SlowPal;
-  }
-  if (input.Softness !== undefined) {
-    bodyParams["softness"] = input.Softness;
-  }
-  if (input.SpatialAdaptiveQuantization !== undefined) {
-    bodyParams["spatialAdaptiveQuantization"] =
-      input.SpatialAdaptiveQuantization;
-  }
-  if (input.Syntax !== undefined) {
-    bodyParams["syntax"] = input.Syntax;
-  }
-  if (input.Telecine !== undefined) {
-    bodyParams["telecine"] = input.Telecine;
-  }
-  if (input.TemporalAdaptiveQuantization !== undefined) {
-    bodyParams["temporalAdaptiveQuantization"] =
-      input.TemporalAdaptiveQuantization;
-  }
-  if (input.UnregisteredSeiTimecode !== undefined) {
-    bodyParams["unregisteredSeiTimecode"] = input.UnregisteredSeiTimecode;
-  }
-  return bodyParams;
+  return {
+    ...(input.AdaptiveQuantization !== undefined && {
+      adaptiveQuantization: input.AdaptiveQuantization
+    }),
+    ...(input.Bitrate !== undefined && { bitrate: input.Bitrate }),
+    ...(input.CodecLevel !== undefined && { codecLevel: input.CodecLevel }),
+    ...(input.CodecProfile !== undefined && {
+      codecProfile: input.CodecProfile
+    }),
+    ...(input.DynamicSubGop !== undefined && {
+      dynamicSubGop: input.DynamicSubGop
+    }),
+    ...(input.EntropyEncoding !== undefined && {
+      entropyEncoding: input.EntropyEncoding
+    }),
+    ...(input.FieldEncoding !== undefined && {
+      fieldEncoding: input.FieldEncoding
+    }),
+    ...(input.FlickerAdaptiveQuantization !== undefined && {
+      flickerAdaptiveQuantization: input.FlickerAdaptiveQuantization
+    }),
+    ...(input.FramerateControl !== undefined && {
+      framerateControl: input.FramerateControl
+    }),
+    ...(input.FramerateConversionAlgorithm !== undefined && {
+      framerateConversionAlgorithm: input.FramerateConversionAlgorithm
+    }),
+    ...(input.FramerateDenominator !== undefined && {
+      framerateDenominator: input.FramerateDenominator
+    }),
+    ...(input.FramerateNumerator !== undefined && {
+      framerateNumerator: input.FramerateNumerator
+    }),
+    ...(input.GopBReference !== undefined && {
+      gopBReference: input.GopBReference
+    }),
+    ...(input.GopClosedCadence !== undefined && {
+      gopClosedCadence: input.GopClosedCadence
+    }),
+    ...(input.GopSize !== undefined && { gopSize: input.GopSize }),
+    ...(input.GopSizeUnits !== undefined && {
+      gopSizeUnits: input.GopSizeUnits
+    }),
+    ...(input.HrdBufferInitialFillPercentage !== undefined && {
+      hrdBufferInitialFillPercentage: input.HrdBufferInitialFillPercentage
+    }),
+    ...(input.HrdBufferSize !== undefined && {
+      hrdBufferSize: input.HrdBufferSize
+    }),
+    ...(input.InterlaceMode !== undefined && {
+      interlaceMode: input.InterlaceMode
+    }),
+    ...(input.MaxBitrate !== undefined && { maxBitrate: input.MaxBitrate }),
+    ...(input.MinIInterval !== undefined && {
+      minIInterval: input.MinIInterval
+    }),
+    ...(input.NumberBFramesBetweenReferenceFrames !== undefined && {
+      numberBFramesBetweenReferenceFrames:
+        input.NumberBFramesBetweenReferenceFrames
+    }),
+    ...(input.NumberReferenceFrames !== undefined && {
+      numberReferenceFrames: input.NumberReferenceFrames
+    }),
+    ...(input.ParControl !== undefined && { parControl: input.ParControl }),
+    ...(input.ParDenominator !== undefined && {
+      parDenominator: input.ParDenominator
+    }),
+    ...(input.ParNumerator !== undefined && {
+      parNumerator: input.ParNumerator
+    }),
+    ...(input.QualityTuningLevel !== undefined && {
+      qualityTuningLevel: input.QualityTuningLevel
+    }),
+    ...(input.QvbrSettings !== undefined && {
+      qvbrSettings: serializeAws_restJson1_1H264QvbrSettings(
+        input.QvbrSettings,
+        context
+      )
+    }),
+    ...(input.RateControlMode !== undefined && {
+      rateControlMode: input.RateControlMode
+    }),
+    ...(input.RepeatPps !== undefined && { repeatPps: input.RepeatPps }),
+    ...(input.SceneChangeDetect !== undefined && {
+      sceneChangeDetect: input.SceneChangeDetect
+    }),
+    ...(input.Slices !== undefined && { slices: input.Slices }),
+    ...(input.SlowPal !== undefined && { slowPal: input.SlowPal }),
+    ...(input.Softness !== undefined && { softness: input.Softness }),
+    ...(input.SpatialAdaptiveQuantization !== undefined && {
+      spatialAdaptiveQuantization: input.SpatialAdaptiveQuantization
+    }),
+    ...(input.Syntax !== undefined && { syntax: input.Syntax }),
+    ...(input.Telecine !== undefined && { telecine: input.Telecine }),
+    ...(input.TemporalAdaptiveQuantization !== undefined && {
+      temporalAdaptiveQuantization: input.TemporalAdaptiveQuantization
+    }),
+    ...(input.UnregisteredSeiTimecode !== undefined && {
+      unregisteredSeiTimecode: input.UnregisteredSeiTimecode
+    })
+  };
 };
 
 const serializeAws_restJson1_1H265QvbrSettings = (
   input: H265QvbrSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxAverageBitrate !== undefined) {
-    bodyParams["maxAverageBitrate"] = input.MaxAverageBitrate;
-  }
-  if (input.QvbrQualityLevel !== undefined) {
-    bodyParams["qvbrQualityLevel"] = input.QvbrQualityLevel;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxAverageBitrate !== undefined && {
+      maxAverageBitrate: input.MaxAverageBitrate
+    }),
+    ...(input.QvbrQualityLevel !== undefined && {
+      qvbrQualityLevel: input.QvbrQualityLevel
+    })
+  };
 };
 
 const serializeAws_restJson1_1H265Settings = (
   input: H265Settings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AdaptiveQuantization !== undefined) {
-    bodyParams["adaptiveQuantization"] = input.AdaptiveQuantization;
-  }
-  if (input.AlternateTransferFunctionSei !== undefined) {
-    bodyParams["alternateTransferFunctionSei"] =
-      input.AlternateTransferFunctionSei;
-  }
-  if (input.Bitrate !== undefined) {
-    bodyParams["bitrate"] = input.Bitrate;
-  }
-  if (input.CodecLevel !== undefined) {
-    bodyParams["codecLevel"] = input.CodecLevel;
-  }
-  if (input.CodecProfile !== undefined) {
-    bodyParams["codecProfile"] = input.CodecProfile;
-  }
-  if (input.DynamicSubGop !== undefined) {
-    bodyParams["dynamicSubGop"] = input.DynamicSubGop;
-  }
-  if (input.FlickerAdaptiveQuantization !== undefined) {
-    bodyParams["flickerAdaptiveQuantization"] =
-      input.FlickerAdaptiveQuantization;
-  }
-  if (input.FramerateControl !== undefined) {
-    bodyParams["framerateControl"] = input.FramerateControl;
-  }
-  if (input.FramerateConversionAlgorithm !== undefined) {
-    bodyParams["framerateConversionAlgorithm"] =
-      input.FramerateConversionAlgorithm;
-  }
-  if (input.FramerateDenominator !== undefined) {
-    bodyParams["framerateDenominator"] = input.FramerateDenominator;
-  }
-  if (input.FramerateNumerator !== undefined) {
-    bodyParams["framerateNumerator"] = input.FramerateNumerator;
-  }
-  if (input.GopBReference !== undefined) {
-    bodyParams["gopBReference"] = input.GopBReference;
-  }
-  if (input.GopClosedCadence !== undefined) {
-    bodyParams["gopClosedCadence"] = input.GopClosedCadence;
-  }
-  if (input.GopSize !== undefined) {
-    bodyParams["gopSize"] = input.GopSize;
-  }
-  if (input.GopSizeUnits !== undefined) {
-    bodyParams["gopSizeUnits"] = input.GopSizeUnits;
-  }
-  if (input.HrdBufferInitialFillPercentage !== undefined) {
-    bodyParams["hrdBufferInitialFillPercentage"] =
-      input.HrdBufferInitialFillPercentage;
-  }
-  if (input.HrdBufferSize !== undefined) {
-    bodyParams["hrdBufferSize"] = input.HrdBufferSize;
-  }
-  if (input.InterlaceMode !== undefined) {
-    bodyParams["interlaceMode"] = input.InterlaceMode;
-  }
-  if (input.MaxBitrate !== undefined) {
-    bodyParams["maxBitrate"] = input.MaxBitrate;
-  }
-  if (input.MinIInterval !== undefined) {
-    bodyParams["minIInterval"] = input.MinIInterval;
-  }
-  if (input.NumberBFramesBetweenReferenceFrames !== undefined) {
-    bodyParams["numberBFramesBetweenReferenceFrames"] =
-      input.NumberBFramesBetweenReferenceFrames;
-  }
-  if (input.NumberReferenceFrames !== undefined) {
-    bodyParams["numberReferenceFrames"] = input.NumberReferenceFrames;
-  }
-  if (input.ParControl !== undefined) {
-    bodyParams["parControl"] = input.ParControl;
-  }
-  if (input.ParDenominator !== undefined) {
-    bodyParams["parDenominator"] = input.ParDenominator;
-  }
-  if (input.ParNumerator !== undefined) {
-    bodyParams["parNumerator"] = input.ParNumerator;
-  }
-  if (input.QualityTuningLevel !== undefined) {
-    bodyParams["qualityTuningLevel"] = input.QualityTuningLevel;
-  }
-  if (input.QvbrSettings !== undefined) {
-    bodyParams["qvbrSettings"] = serializeAws_restJson1_1H265QvbrSettings(
-      input.QvbrSettings,
-      context
-    );
-  }
-  if (input.RateControlMode !== undefined) {
-    bodyParams["rateControlMode"] = input.RateControlMode;
-  }
-  if (input.SampleAdaptiveOffsetFilterMode !== undefined) {
-    bodyParams["sampleAdaptiveOffsetFilterMode"] =
-      input.SampleAdaptiveOffsetFilterMode;
-  }
-  if (input.SceneChangeDetect !== undefined) {
-    bodyParams["sceneChangeDetect"] = input.SceneChangeDetect;
-  }
-  if (input.Slices !== undefined) {
-    bodyParams["slices"] = input.Slices;
-  }
-  if (input.SlowPal !== undefined) {
-    bodyParams["slowPal"] = input.SlowPal;
-  }
-  if (input.SpatialAdaptiveQuantization !== undefined) {
-    bodyParams["spatialAdaptiveQuantization"] =
-      input.SpatialAdaptiveQuantization;
-  }
-  if (input.Telecine !== undefined) {
-    bodyParams["telecine"] = input.Telecine;
-  }
-  if (input.TemporalAdaptiveQuantization !== undefined) {
-    bodyParams["temporalAdaptiveQuantization"] =
-      input.TemporalAdaptiveQuantization;
-  }
-  if (input.TemporalIds !== undefined) {
-    bodyParams["temporalIds"] = input.TemporalIds;
-  }
-  if (input.Tiles !== undefined) {
-    bodyParams["tiles"] = input.Tiles;
-  }
-  if (input.UnregisteredSeiTimecode !== undefined) {
-    bodyParams["unregisteredSeiTimecode"] = input.UnregisteredSeiTimecode;
-  }
-  if (input.WriteMp4PackagingType !== undefined) {
-    bodyParams["writeMp4PackagingType"] = input.WriteMp4PackagingType;
-  }
-  return bodyParams;
+  return {
+    ...(input.AdaptiveQuantization !== undefined && {
+      adaptiveQuantization: input.AdaptiveQuantization
+    }),
+    ...(input.AlternateTransferFunctionSei !== undefined && {
+      alternateTransferFunctionSei: input.AlternateTransferFunctionSei
+    }),
+    ...(input.Bitrate !== undefined && { bitrate: input.Bitrate }),
+    ...(input.CodecLevel !== undefined && { codecLevel: input.CodecLevel }),
+    ...(input.CodecProfile !== undefined && {
+      codecProfile: input.CodecProfile
+    }),
+    ...(input.DynamicSubGop !== undefined && {
+      dynamicSubGop: input.DynamicSubGop
+    }),
+    ...(input.FlickerAdaptiveQuantization !== undefined && {
+      flickerAdaptiveQuantization: input.FlickerAdaptiveQuantization
+    }),
+    ...(input.FramerateControl !== undefined && {
+      framerateControl: input.FramerateControl
+    }),
+    ...(input.FramerateConversionAlgorithm !== undefined && {
+      framerateConversionAlgorithm: input.FramerateConversionAlgorithm
+    }),
+    ...(input.FramerateDenominator !== undefined && {
+      framerateDenominator: input.FramerateDenominator
+    }),
+    ...(input.FramerateNumerator !== undefined && {
+      framerateNumerator: input.FramerateNumerator
+    }),
+    ...(input.GopBReference !== undefined && {
+      gopBReference: input.GopBReference
+    }),
+    ...(input.GopClosedCadence !== undefined && {
+      gopClosedCadence: input.GopClosedCadence
+    }),
+    ...(input.GopSize !== undefined && { gopSize: input.GopSize }),
+    ...(input.GopSizeUnits !== undefined && {
+      gopSizeUnits: input.GopSizeUnits
+    }),
+    ...(input.HrdBufferInitialFillPercentage !== undefined && {
+      hrdBufferInitialFillPercentage: input.HrdBufferInitialFillPercentage
+    }),
+    ...(input.HrdBufferSize !== undefined && {
+      hrdBufferSize: input.HrdBufferSize
+    }),
+    ...(input.InterlaceMode !== undefined && {
+      interlaceMode: input.InterlaceMode
+    }),
+    ...(input.MaxBitrate !== undefined && { maxBitrate: input.MaxBitrate }),
+    ...(input.MinIInterval !== undefined && {
+      minIInterval: input.MinIInterval
+    }),
+    ...(input.NumberBFramesBetweenReferenceFrames !== undefined && {
+      numberBFramesBetweenReferenceFrames:
+        input.NumberBFramesBetweenReferenceFrames
+    }),
+    ...(input.NumberReferenceFrames !== undefined && {
+      numberReferenceFrames: input.NumberReferenceFrames
+    }),
+    ...(input.ParControl !== undefined && { parControl: input.ParControl }),
+    ...(input.ParDenominator !== undefined && {
+      parDenominator: input.ParDenominator
+    }),
+    ...(input.ParNumerator !== undefined && {
+      parNumerator: input.ParNumerator
+    }),
+    ...(input.QualityTuningLevel !== undefined && {
+      qualityTuningLevel: input.QualityTuningLevel
+    }),
+    ...(input.QvbrSettings !== undefined && {
+      qvbrSettings: serializeAws_restJson1_1H265QvbrSettings(
+        input.QvbrSettings,
+        context
+      )
+    }),
+    ...(input.RateControlMode !== undefined && {
+      rateControlMode: input.RateControlMode
+    }),
+    ...(input.SampleAdaptiveOffsetFilterMode !== undefined && {
+      sampleAdaptiveOffsetFilterMode: input.SampleAdaptiveOffsetFilterMode
+    }),
+    ...(input.SceneChangeDetect !== undefined && {
+      sceneChangeDetect: input.SceneChangeDetect
+    }),
+    ...(input.Slices !== undefined && { slices: input.Slices }),
+    ...(input.SlowPal !== undefined && { slowPal: input.SlowPal }),
+    ...(input.SpatialAdaptiveQuantization !== undefined && {
+      spatialAdaptiveQuantization: input.SpatialAdaptiveQuantization
+    }),
+    ...(input.Telecine !== undefined && { telecine: input.Telecine }),
+    ...(input.TemporalAdaptiveQuantization !== undefined && {
+      temporalAdaptiveQuantization: input.TemporalAdaptiveQuantization
+    }),
+    ...(input.TemporalIds !== undefined && { temporalIds: input.TemporalIds }),
+    ...(input.Tiles !== undefined && { tiles: input.Tiles }),
+    ...(input.UnregisteredSeiTimecode !== undefined && {
+      unregisteredSeiTimecode: input.UnregisteredSeiTimecode
+    }),
+    ...(input.WriteMp4PackagingType !== undefined && {
+      writeMp4PackagingType: input.WriteMp4PackagingType
+    })
+  };
 };
 
 const serializeAws_restJson1_1Hdr10Metadata = (
   input: Hdr10Metadata,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.BluePrimaryX !== undefined) {
-    bodyParams["bluePrimaryX"] = input.BluePrimaryX;
-  }
-  if (input.BluePrimaryY !== undefined) {
-    bodyParams["bluePrimaryY"] = input.BluePrimaryY;
-  }
-  if (input.GreenPrimaryX !== undefined) {
-    bodyParams["greenPrimaryX"] = input.GreenPrimaryX;
-  }
-  if (input.GreenPrimaryY !== undefined) {
-    bodyParams["greenPrimaryY"] = input.GreenPrimaryY;
-  }
-  if (input.MaxContentLightLevel !== undefined) {
-    bodyParams["maxContentLightLevel"] = input.MaxContentLightLevel;
-  }
-  if (input.MaxFrameAverageLightLevel !== undefined) {
-    bodyParams["maxFrameAverageLightLevel"] = input.MaxFrameAverageLightLevel;
-  }
-  if (input.MaxLuminance !== undefined) {
-    bodyParams["maxLuminance"] = input.MaxLuminance;
-  }
-  if (input.MinLuminance !== undefined) {
-    bodyParams["minLuminance"] = input.MinLuminance;
-  }
-  if (input.RedPrimaryX !== undefined) {
-    bodyParams["redPrimaryX"] = input.RedPrimaryX;
-  }
-  if (input.RedPrimaryY !== undefined) {
-    bodyParams["redPrimaryY"] = input.RedPrimaryY;
-  }
-  if (input.WhitePointX !== undefined) {
-    bodyParams["whitePointX"] = input.WhitePointX;
-  }
-  if (input.WhitePointY !== undefined) {
-    bodyParams["whitePointY"] = input.WhitePointY;
-  }
-  return bodyParams;
+  return {
+    ...(input.BluePrimaryX !== undefined && {
+      bluePrimaryX: input.BluePrimaryX
+    }),
+    ...(input.BluePrimaryY !== undefined && {
+      bluePrimaryY: input.BluePrimaryY
+    }),
+    ...(input.GreenPrimaryX !== undefined && {
+      greenPrimaryX: input.GreenPrimaryX
+    }),
+    ...(input.GreenPrimaryY !== undefined && {
+      greenPrimaryY: input.GreenPrimaryY
+    }),
+    ...(input.MaxContentLightLevel !== undefined && {
+      maxContentLightLevel: input.MaxContentLightLevel
+    }),
+    ...(input.MaxFrameAverageLightLevel !== undefined && {
+      maxFrameAverageLightLevel: input.MaxFrameAverageLightLevel
+    }),
+    ...(input.MaxLuminance !== undefined && {
+      maxLuminance: input.MaxLuminance
+    }),
+    ...(input.MinLuminance !== undefined && {
+      minLuminance: input.MinLuminance
+    }),
+    ...(input.RedPrimaryX !== undefined && { redPrimaryX: input.RedPrimaryX }),
+    ...(input.RedPrimaryY !== undefined && { redPrimaryY: input.RedPrimaryY }),
+    ...(input.WhitePointX !== undefined && { whitePointX: input.WhitePointX }),
+    ...(input.WhitePointY !== undefined && { whitePointY: input.WhitePointY })
+  };
 };
 
 const serializeAws_restJson1_1HlsAdditionalManifest = (
   input: HlsAdditionalManifest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ManifestNameModifier !== undefined) {
-    bodyParams["manifestNameModifier"] = input.ManifestNameModifier;
-  }
-  if (input.SelectedOutputs !== undefined) {
-    bodyParams[
-      "selectedOutputs"
-    ] = serializeAws_restJson1_1__listOf__stringMin1(
-      input.SelectedOutputs,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ManifestNameModifier !== undefined && {
+      manifestNameModifier: input.ManifestNameModifier
+    }),
+    ...(input.SelectedOutputs !== undefined && {
+      selectedOutputs: serializeAws_restJson1_1__listOf__stringMin1(
+        input.SelectedOutputs,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1HlsCaptionLanguageMapping = (
   input: HlsCaptionLanguageMapping,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CaptionChannel !== undefined) {
-    bodyParams["captionChannel"] = input.CaptionChannel;
-  }
-  if (input.CustomLanguageCode !== undefined) {
-    bodyParams["customLanguageCode"] = input.CustomLanguageCode;
-  }
-  if (input.LanguageCode !== undefined) {
-    bodyParams["languageCode"] = input.LanguageCode;
-  }
-  if (input.LanguageDescription !== undefined) {
-    bodyParams["languageDescription"] = input.LanguageDescription;
-  }
-  return bodyParams;
+  return {
+    ...(input.CaptionChannel !== undefined && {
+      captionChannel: input.CaptionChannel
+    }),
+    ...(input.CustomLanguageCode !== undefined && {
+      customLanguageCode: input.CustomLanguageCode
+    }),
+    ...(input.LanguageCode !== undefined && {
+      languageCode: input.LanguageCode
+    }),
+    ...(input.LanguageDescription !== undefined && {
+      languageDescription: input.LanguageDescription
+    })
+  };
 };
 
 const serializeAws_restJson1_1HlsEncryptionSettings = (
   input: HlsEncryptionSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ConstantInitializationVector !== undefined) {
-    bodyParams["constantInitializationVector"] =
-      input.ConstantInitializationVector;
-  }
-  if (input.EncryptionMethod !== undefined) {
-    bodyParams["encryptionMethod"] = input.EncryptionMethod;
-  }
-  if (input.InitializationVectorInManifest !== undefined) {
-    bodyParams["initializationVectorInManifest"] =
-      input.InitializationVectorInManifest;
-  }
-  if (input.OfflineEncrypted !== undefined) {
-    bodyParams["offlineEncrypted"] = input.OfflineEncrypted;
-  }
-  if (input.SpekeKeyProvider !== undefined) {
-    bodyParams["spekeKeyProvider"] = serializeAws_restJson1_1SpekeKeyProvider(
-      input.SpekeKeyProvider,
-      context
-    );
-  }
-  if (input.StaticKeyProvider !== undefined) {
-    bodyParams["staticKeyProvider"] = serializeAws_restJson1_1StaticKeyProvider(
-      input.StaticKeyProvider,
-      context
-    );
-  }
-  if (input.Type !== undefined) {
-    bodyParams["type"] = input.Type;
-  }
-  return bodyParams;
+  return {
+    ...(input.ConstantInitializationVector !== undefined && {
+      constantInitializationVector: input.ConstantInitializationVector
+    }),
+    ...(input.EncryptionMethod !== undefined && {
+      encryptionMethod: input.EncryptionMethod
+    }),
+    ...(input.InitializationVectorInManifest !== undefined && {
+      initializationVectorInManifest: input.InitializationVectorInManifest
+    }),
+    ...(input.OfflineEncrypted !== undefined && {
+      offlineEncrypted: input.OfflineEncrypted
+    }),
+    ...(input.SpekeKeyProvider !== undefined && {
+      spekeKeyProvider: serializeAws_restJson1_1SpekeKeyProvider(
+        input.SpekeKeyProvider,
+        context
+      )
+    }),
+    ...(input.StaticKeyProvider !== undefined && {
+      staticKeyProvider: serializeAws_restJson1_1StaticKeyProvider(
+        input.StaticKeyProvider,
+        context
+      )
+    }),
+    ...(input.Type !== undefined && { type: input.Type })
+  };
 };
 
 const serializeAws_restJson1_1HlsGroupSettings = (
   input: HlsGroupSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AdMarkers !== undefined) {
-    bodyParams["adMarkers"] = serializeAws_restJson1_1__listOfHlsAdMarkers(
-      input.AdMarkers,
-      context
-    );
-  }
-  if (input.AdditionalManifests !== undefined) {
-    bodyParams[
-      "additionalManifests"
-    ] = serializeAws_restJson1_1__listOfHlsAdditionalManifest(
-      input.AdditionalManifests,
-      context
-    );
-  }
-  if (input.BaseUrl !== undefined) {
-    bodyParams["baseUrl"] = input.BaseUrl;
-  }
-  if (input.CaptionLanguageMappings !== undefined) {
-    bodyParams[
-      "captionLanguageMappings"
-    ] = serializeAws_restJson1_1__listOfHlsCaptionLanguageMapping(
-      input.CaptionLanguageMappings,
-      context
-    );
-  }
-  if (input.CaptionLanguageSetting !== undefined) {
-    bodyParams["captionLanguageSetting"] = input.CaptionLanguageSetting;
-  }
-  if (input.ClientCache !== undefined) {
-    bodyParams["clientCache"] = input.ClientCache;
-  }
-  if (input.CodecSpecification !== undefined) {
-    bodyParams["codecSpecification"] = input.CodecSpecification;
-  }
-  if (input.Destination !== undefined) {
-    bodyParams["destination"] = input.Destination;
-  }
-  if (input.DestinationSettings !== undefined) {
-    bodyParams[
-      "destinationSettings"
-    ] = serializeAws_restJson1_1DestinationSettings(
-      input.DestinationSettings,
-      context
-    );
-  }
-  if (input.DirectoryStructure !== undefined) {
-    bodyParams["directoryStructure"] = input.DirectoryStructure;
-  }
-  if (input.Encryption !== undefined) {
-    bodyParams["encryption"] = serializeAws_restJson1_1HlsEncryptionSettings(
-      input.Encryption,
-      context
-    );
-  }
-  if (input.ManifestCompression !== undefined) {
-    bodyParams["manifestCompression"] = input.ManifestCompression;
-  }
-  if (input.ManifestDurationFormat !== undefined) {
-    bodyParams["manifestDurationFormat"] = input.ManifestDurationFormat;
-  }
-  if (input.MinFinalSegmentLength !== undefined) {
-    bodyParams["minFinalSegmentLength"] = input.MinFinalSegmentLength;
-  }
-  if (input.MinSegmentLength !== undefined) {
-    bodyParams["minSegmentLength"] = input.MinSegmentLength;
-  }
-  if (input.OutputSelection !== undefined) {
-    bodyParams["outputSelection"] = input.OutputSelection;
-  }
-  if (input.ProgramDateTime !== undefined) {
-    bodyParams["programDateTime"] = input.ProgramDateTime;
-  }
-  if (input.ProgramDateTimePeriod !== undefined) {
-    bodyParams["programDateTimePeriod"] = input.ProgramDateTimePeriod;
-  }
-  if (input.SegmentControl !== undefined) {
-    bodyParams["segmentControl"] = input.SegmentControl;
-  }
-  if (input.SegmentLength !== undefined) {
-    bodyParams["segmentLength"] = input.SegmentLength;
-  }
-  if (input.SegmentsPerSubdirectory !== undefined) {
-    bodyParams["segmentsPerSubdirectory"] = input.SegmentsPerSubdirectory;
-  }
-  if (input.StreamInfResolution !== undefined) {
-    bodyParams["streamInfResolution"] = input.StreamInfResolution;
-  }
-  if (input.TimedMetadataId3Frame !== undefined) {
-    bodyParams["timedMetadataId3Frame"] = input.TimedMetadataId3Frame;
-  }
-  if (input.TimedMetadataId3Period !== undefined) {
-    bodyParams["timedMetadataId3Period"] = input.TimedMetadataId3Period;
-  }
-  if (input.TimestampDeltaMilliseconds !== undefined) {
-    bodyParams["timestampDeltaMilliseconds"] = input.TimestampDeltaMilliseconds;
-  }
-  return bodyParams;
+  return {
+    ...(input.AdMarkers !== undefined && {
+      adMarkers: serializeAws_restJson1_1__listOfHlsAdMarkers(
+        input.AdMarkers,
+        context
+      )
+    }),
+    ...(input.AdditionalManifests !== undefined && {
+      additionalManifests: serializeAws_restJson1_1__listOfHlsAdditionalManifest(
+        input.AdditionalManifests,
+        context
+      )
+    }),
+    ...(input.BaseUrl !== undefined && { baseUrl: input.BaseUrl }),
+    ...(input.CaptionLanguageMappings !== undefined && {
+      captionLanguageMappings: serializeAws_restJson1_1__listOfHlsCaptionLanguageMapping(
+        input.CaptionLanguageMappings,
+        context
+      )
+    }),
+    ...(input.CaptionLanguageSetting !== undefined && {
+      captionLanguageSetting: input.CaptionLanguageSetting
+    }),
+    ...(input.ClientCache !== undefined && { clientCache: input.ClientCache }),
+    ...(input.CodecSpecification !== undefined && {
+      codecSpecification: input.CodecSpecification
+    }),
+    ...(input.Destination !== undefined && { destination: input.Destination }),
+    ...(input.DestinationSettings !== undefined && {
+      destinationSettings: serializeAws_restJson1_1DestinationSettings(
+        input.DestinationSettings,
+        context
+      )
+    }),
+    ...(input.DirectoryStructure !== undefined && {
+      directoryStructure: input.DirectoryStructure
+    }),
+    ...(input.Encryption !== undefined && {
+      encryption: serializeAws_restJson1_1HlsEncryptionSettings(
+        input.Encryption,
+        context
+      )
+    }),
+    ...(input.ManifestCompression !== undefined && {
+      manifestCompression: input.ManifestCompression
+    }),
+    ...(input.ManifestDurationFormat !== undefined && {
+      manifestDurationFormat: input.ManifestDurationFormat
+    }),
+    ...(input.MinFinalSegmentLength !== undefined && {
+      minFinalSegmentLength: input.MinFinalSegmentLength
+    }),
+    ...(input.MinSegmentLength !== undefined && {
+      minSegmentLength: input.MinSegmentLength
+    }),
+    ...(input.OutputSelection !== undefined && {
+      outputSelection: input.OutputSelection
+    }),
+    ...(input.ProgramDateTime !== undefined && {
+      programDateTime: input.ProgramDateTime
+    }),
+    ...(input.ProgramDateTimePeriod !== undefined && {
+      programDateTimePeriod: input.ProgramDateTimePeriod
+    }),
+    ...(input.SegmentControl !== undefined && {
+      segmentControl: input.SegmentControl
+    }),
+    ...(input.SegmentLength !== undefined && {
+      segmentLength: input.SegmentLength
+    }),
+    ...(input.SegmentsPerSubdirectory !== undefined && {
+      segmentsPerSubdirectory: input.SegmentsPerSubdirectory
+    }),
+    ...(input.StreamInfResolution !== undefined && {
+      streamInfResolution: input.StreamInfResolution
+    }),
+    ...(input.TimedMetadataId3Frame !== undefined && {
+      timedMetadataId3Frame: input.TimedMetadataId3Frame
+    }),
+    ...(input.TimedMetadataId3Period !== undefined && {
+      timedMetadataId3Period: input.TimedMetadataId3Period
+    }),
+    ...(input.TimestampDeltaMilliseconds !== undefined && {
+      timestampDeltaMilliseconds: input.TimestampDeltaMilliseconds
+    })
+  };
 };
 
 const serializeAws_restJson1_1HlsSettings = (
   input: HlsSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AudioGroupId !== undefined) {
-    bodyParams["audioGroupId"] = input.AudioGroupId;
-  }
-  if (input.AudioOnlyContainer !== undefined) {
-    bodyParams["audioOnlyContainer"] = input.AudioOnlyContainer;
-  }
-  if (input.AudioRenditionSets !== undefined) {
-    bodyParams["audioRenditionSets"] = input.AudioRenditionSets;
-  }
-  if (input.AudioTrackType !== undefined) {
-    bodyParams["audioTrackType"] = input.AudioTrackType;
-  }
-  if (input.IFrameOnlyManifest !== undefined) {
-    bodyParams["iFrameOnlyManifest"] = input.IFrameOnlyManifest;
-  }
-  if (input.SegmentModifier !== undefined) {
-    bodyParams["segmentModifier"] = input.SegmentModifier;
-  }
-  return bodyParams;
+  return {
+    ...(input.AudioGroupId !== undefined && {
+      audioGroupId: input.AudioGroupId
+    }),
+    ...(input.AudioOnlyContainer !== undefined && {
+      audioOnlyContainer: input.AudioOnlyContainer
+    }),
+    ...(input.AudioRenditionSets !== undefined && {
+      audioRenditionSets: input.AudioRenditionSets
+    }),
+    ...(input.AudioTrackType !== undefined && {
+      audioTrackType: input.AudioTrackType
+    }),
+    ...(input.IFrameOnlyManifest !== undefined && {
+      iFrameOnlyManifest: input.IFrameOnlyManifest
+    }),
+    ...(input.SegmentModifier !== undefined && {
+      segmentModifier: input.SegmentModifier
+    })
+  };
 };
 
 const serializeAws_restJson1_1Id3Insertion = (
   input: Id3Insertion,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Id3 !== undefined) {
-    bodyParams["id3"] = input.Id3;
-  }
-  if (input.Timecode !== undefined) {
-    bodyParams["timecode"] = input.Timecode;
-  }
-  return bodyParams;
+  return {
+    ...(input.Id3 !== undefined && { id3: input.Id3 }),
+    ...(input.Timecode !== undefined && { timecode: input.Timecode })
+  };
 };
 
 const serializeAws_restJson1_1ImageInserter = (
   input: ImageInserter,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.InsertableImages !== undefined) {
-    bodyParams[
-      "insertableImages"
-    ] = serializeAws_restJson1_1__listOfInsertableImage(
-      input.InsertableImages,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.InsertableImages !== undefined && {
+      insertableImages: serializeAws_restJson1_1__listOfInsertableImage(
+        input.InsertableImages,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1ImscDestinationSettings = (
   input: ImscDestinationSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.StylePassthrough !== undefined) {
-    bodyParams["stylePassthrough"] = input.StylePassthrough;
-  }
-  return bodyParams;
+  return {
+    ...(input.StylePassthrough !== undefined && {
+      stylePassthrough: input.StylePassthrough
+    })
+  };
 };
 
 const serializeAws_restJson1_1Input = (
   input: Input,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AudioSelectorGroups !== undefined) {
-    bodyParams[
-      "audioSelectorGroups"
-    ] = serializeAws_restJson1_1__mapOfAudioSelectorGroup(
-      input.AudioSelectorGroups,
-      context
-    );
-  }
-  if (input.AudioSelectors !== undefined) {
-    bodyParams["audioSelectors"] = serializeAws_restJson1_1__mapOfAudioSelector(
-      input.AudioSelectors,
-      context
-    );
-  }
-  if (input.CaptionSelectors !== undefined) {
-    bodyParams[
-      "captionSelectors"
-    ] = serializeAws_restJson1_1__mapOfCaptionSelector(
-      input.CaptionSelectors,
-      context
-    );
-  }
-  if (input.Crop !== undefined) {
-    bodyParams["crop"] = serializeAws_restJson1_1Rectangle(input.Crop, context);
-  }
-  if (input.DeblockFilter !== undefined) {
-    bodyParams["deblockFilter"] = input.DeblockFilter;
-  }
-  if (input.DecryptionSettings !== undefined) {
-    bodyParams[
-      "decryptionSettings"
-    ] = serializeAws_restJson1_1InputDecryptionSettings(
-      input.DecryptionSettings,
-      context
-    );
-  }
-  if (input.DenoiseFilter !== undefined) {
-    bodyParams["denoiseFilter"] = input.DenoiseFilter;
-  }
-  if (input.FileInput !== undefined) {
-    bodyParams["fileInput"] = input.FileInput;
-  }
-  if (input.FilterEnable !== undefined) {
-    bodyParams["filterEnable"] = input.FilterEnable;
-  }
-  if (input.FilterStrength !== undefined) {
-    bodyParams["filterStrength"] = input.FilterStrength;
-  }
-  if (input.ImageInserter !== undefined) {
-    bodyParams["imageInserter"] = serializeAws_restJson1_1ImageInserter(
-      input.ImageInserter,
-      context
-    );
-  }
-  if (input.InputClippings !== undefined) {
-    bodyParams[
-      "inputClippings"
-    ] = serializeAws_restJson1_1__listOfInputClipping(
-      input.InputClippings,
-      context
-    );
-  }
-  if (input.Position !== undefined) {
-    bodyParams["position"] = serializeAws_restJson1_1Rectangle(
-      input.Position,
-      context
-    );
-  }
-  if (input.ProgramNumber !== undefined) {
-    bodyParams["programNumber"] = input.ProgramNumber;
-  }
-  if (input.PsiControl !== undefined) {
-    bodyParams["psiControl"] = input.PsiControl;
-  }
-  if (input.SupplementalImps !== undefined) {
-    bodyParams[
-      "supplementalImps"
-    ] = serializeAws_restJson1_1__listOf__stringPatternS3ASSETMAPXml(
-      input.SupplementalImps,
-      context
-    );
-  }
-  if (input.TimecodeSource !== undefined) {
-    bodyParams["timecodeSource"] = input.TimecodeSource;
-  }
-  if (input.TimecodeStart !== undefined) {
-    bodyParams["timecodeStart"] = input.TimecodeStart;
-  }
-  if (input.VideoSelector !== undefined) {
-    bodyParams["videoSelector"] = serializeAws_restJson1_1VideoSelector(
-      input.VideoSelector,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.AudioSelectorGroups !== undefined && {
+      audioSelectorGroups: serializeAws_restJson1_1__mapOfAudioSelectorGroup(
+        input.AudioSelectorGroups,
+        context
+      )
+    }),
+    ...(input.AudioSelectors !== undefined && {
+      audioSelectors: serializeAws_restJson1_1__mapOfAudioSelector(
+        input.AudioSelectors,
+        context
+      )
+    }),
+    ...(input.CaptionSelectors !== undefined && {
+      captionSelectors: serializeAws_restJson1_1__mapOfCaptionSelector(
+        input.CaptionSelectors,
+        context
+      )
+    }),
+    ...(input.Crop !== undefined && {
+      crop: serializeAws_restJson1_1Rectangle(input.Crop, context)
+    }),
+    ...(input.DeblockFilter !== undefined && {
+      deblockFilter: input.DeblockFilter
+    }),
+    ...(input.DecryptionSettings !== undefined && {
+      decryptionSettings: serializeAws_restJson1_1InputDecryptionSettings(
+        input.DecryptionSettings,
+        context
+      )
+    }),
+    ...(input.DenoiseFilter !== undefined && {
+      denoiseFilter: input.DenoiseFilter
+    }),
+    ...(input.FileInput !== undefined && { fileInput: input.FileInput }),
+    ...(input.FilterEnable !== undefined && {
+      filterEnable: input.FilterEnable
+    }),
+    ...(input.FilterStrength !== undefined && {
+      filterStrength: input.FilterStrength
+    }),
+    ...(input.ImageInserter !== undefined && {
+      imageInserter: serializeAws_restJson1_1ImageInserter(
+        input.ImageInserter,
+        context
+      )
+    }),
+    ...(input.InputClippings !== undefined && {
+      inputClippings: serializeAws_restJson1_1__listOfInputClipping(
+        input.InputClippings,
+        context
+      )
+    }),
+    ...(input.Position !== undefined && {
+      position: serializeAws_restJson1_1Rectangle(input.Position, context)
+    }),
+    ...(input.ProgramNumber !== undefined && {
+      programNumber: input.ProgramNumber
+    }),
+    ...(input.PsiControl !== undefined && { psiControl: input.PsiControl }),
+    ...(input.SupplementalImps !== undefined && {
+      supplementalImps: serializeAws_restJson1_1__listOf__stringPatternS3ASSETMAPXml(
+        input.SupplementalImps,
+        context
+      )
+    }),
+    ...(input.TimecodeSource !== undefined && {
+      timecodeSource: input.TimecodeSource
+    }),
+    ...(input.TimecodeStart !== undefined && {
+      timecodeStart: input.TimecodeStart
+    }),
+    ...(input.VideoSelector !== undefined && {
+      videoSelector: serializeAws_restJson1_1VideoSelector(
+        input.VideoSelector,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1InputClipping = (
   input: InputClipping,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EndTimecode !== undefined) {
-    bodyParams["endTimecode"] = input.EndTimecode;
-  }
-  if (input.StartTimecode !== undefined) {
-    bodyParams["startTimecode"] = input.StartTimecode;
-  }
-  return bodyParams;
+  return {
+    ...(input.EndTimecode !== undefined && { endTimecode: input.EndTimecode }),
+    ...(input.StartTimecode !== undefined && {
+      startTimecode: input.StartTimecode
+    })
+  };
 };
 
 const serializeAws_restJson1_1InputDecryptionSettings = (
   input: InputDecryptionSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DecryptionMode !== undefined) {
-    bodyParams["decryptionMode"] = input.DecryptionMode;
-  }
-  if (input.EncryptedDecryptionKey !== undefined) {
-    bodyParams["encryptedDecryptionKey"] = input.EncryptedDecryptionKey;
-  }
-  if (input.InitializationVector !== undefined) {
-    bodyParams["initializationVector"] = input.InitializationVector;
-  }
-  if (input.KmsKeyRegion !== undefined) {
-    bodyParams["kmsKeyRegion"] = input.KmsKeyRegion;
-  }
-  return bodyParams;
+  return {
+    ...(input.DecryptionMode !== undefined && {
+      decryptionMode: input.DecryptionMode
+    }),
+    ...(input.EncryptedDecryptionKey !== undefined && {
+      encryptedDecryptionKey: input.EncryptedDecryptionKey
+    }),
+    ...(input.InitializationVector !== undefined && {
+      initializationVector: input.InitializationVector
+    }),
+    ...(input.KmsKeyRegion !== undefined && {
+      kmsKeyRegion: input.KmsKeyRegion
+    })
+  };
 };
 
 const serializeAws_restJson1_1InputTemplate = (
   input: InputTemplate,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AudioSelectorGroups !== undefined) {
-    bodyParams[
-      "audioSelectorGroups"
-    ] = serializeAws_restJson1_1__mapOfAudioSelectorGroup(
-      input.AudioSelectorGroups,
-      context
-    );
-  }
-  if (input.AudioSelectors !== undefined) {
-    bodyParams["audioSelectors"] = serializeAws_restJson1_1__mapOfAudioSelector(
-      input.AudioSelectors,
-      context
-    );
-  }
-  if (input.CaptionSelectors !== undefined) {
-    bodyParams[
-      "captionSelectors"
-    ] = serializeAws_restJson1_1__mapOfCaptionSelector(
-      input.CaptionSelectors,
-      context
-    );
-  }
-  if (input.Crop !== undefined) {
-    bodyParams["crop"] = serializeAws_restJson1_1Rectangle(input.Crop, context);
-  }
-  if (input.DeblockFilter !== undefined) {
-    bodyParams["deblockFilter"] = input.DeblockFilter;
-  }
-  if (input.DenoiseFilter !== undefined) {
-    bodyParams["denoiseFilter"] = input.DenoiseFilter;
-  }
-  if (input.FilterEnable !== undefined) {
-    bodyParams["filterEnable"] = input.FilterEnable;
-  }
-  if (input.FilterStrength !== undefined) {
-    bodyParams["filterStrength"] = input.FilterStrength;
-  }
-  if (input.ImageInserter !== undefined) {
-    bodyParams["imageInserter"] = serializeAws_restJson1_1ImageInserter(
-      input.ImageInserter,
-      context
-    );
-  }
-  if (input.InputClippings !== undefined) {
-    bodyParams[
-      "inputClippings"
-    ] = serializeAws_restJson1_1__listOfInputClipping(
-      input.InputClippings,
-      context
-    );
-  }
-  if (input.Position !== undefined) {
-    bodyParams["position"] = serializeAws_restJson1_1Rectangle(
-      input.Position,
-      context
-    );
-  }
-  if (input.ProgramNumber !== undefined) {
-    bodyParams["programNumber"] = input.ProgramNumber;
-  }
-  if (input.PsiControl !== undefined) {
-    bodyParams["psiControl"] = input.PsiControl;
-  }
-  if (input.TimecodeSource !== undefined) {
-    bodyParams["timecodeSource"] = input.TimecodeSource;
-  }
-  if (input.TimecodeStart !== undefined) {
-    bodyParams["timecodeStart"] = input.TimecodeStart;
-  }
-  if (input.VideoSelector !== undefined) {
-    bodyParams["videoSelector"] = serializeAws_restJson1_1VideoSelector(
-      input.VideoSelector,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.AudioSelectorGroups !== undefined && {
+      audioSelectorGroups: serializeAws_restJson1_1__mapOfAudioSelectorGroup(
+        input.AudioSelectorGroups,
+        context
+      )
+    }),
+    ...(input.AudioSelectors !== undefined && {
+      audioSelectors: serializeAws_restJson1_1__mapOfAudioSelector(
+        input.AudioSelectors,
+        context
+      )
+    }),
+    ...(input.CaptionSelectors !== undefined && {
+      captionSelectors: serializeAws_restJson1_1__mapOfCaptionSelector(
+        input.CaptionSelectors,
+        context
+      )
+    }),
+    ...(input.Crop !== undefined && {
+      crop: serializeAws_restJson1_1Rectangle(input.Crop, context)
+    }),
+    ...(input.DeblockFilter !== undefined && {
+      deblockFilter: input.DeblockFilter
+    }),
+    ...(input.DenoiseFilter !== undefined && {
+      denoiseFilter: input.DenoiseFilter
+    }),
+    ...(input.FilterEnable !== undefined && {
+      filterEnable: input.FilterEnable
+    }),
+    ...(input.FilterStrength !== undefined && {
+      filterStrength: input.FilterStrength
+    }),
+    ...(input.ImageInserter !== undefined && {
+      imageInserter: serializeAws_restJson1_1ImageInserter(
+        input.ImageInserter,
+        context
+      )
+    }),
+    ...(input.InputClippings !== undefined && {
+      inputClippings: serializeAws_restJson1_1__listOfInputClipping(
+        input.InputClippings,
+        context
+      )
+    }),
+    ...(input.Position !== undefined && {
+      position: serializeAws_restJson1_1Rectangle(input.Position, context)
+    }),
+    ...(input.ProgramNumber !== undefined && {
+      programNumber: input.ProgramNumber
+    }),
+    ...(input.PsiControl !== undefined && { psiControl: input.PsiControl }),
+    ...(input.TimecodeSource !== undefined && {
+      timecodeSource: input.TimecodeSource
+    }),
+    ...(input.TimecodeStart !== undefined && {
+      timecodeStart: input.TimecodeStart
+    }),
+    ...(input.VideoSelector !== undefined && {
+      videoSelector: serializeAws_restJson1_1VideoSelector(
+        input.VideoSelector,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1InsertableImage = (
   input: InsertableImage,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Duration !== undefined) {
-    bodyParams["duration"] = input.Duration;
-  }
-  if (input.FadeIn !== undefined) {
-    bodyParams["fadeIn"] = input.FadeIn;
-  }
-  if (input.FadeOut !== undefined) {
-    bodyParams["fadeOut"] = input.FadeOut;
-  }
-  if (input.Height !== undefined) {
-    bodyParams["height"] = input.Height;
-  }
-  if (input.ImageInserterInput !== undefined) {
-    bodyParams["imageInserterInput"] = input.ImageInserterInput;
-  }
-  if (input.ImageX !== undefined) {
-    bodyParams["imageX"] = input.ImageX;
-  }
-  if (input.ImageY !== undefined) {
-    bodyParams["imageY"] = input.ImageY;
-  }
-  if (input.Layer !== undefined) {
-    bodyParams["layer"] = input.Layer;
-  }
-  if (input.Opacity !== undefined) {
-    bodyParams["opacity"] = input.Opacity;
-  }
-  if (input.StartTime !== undefined) {
-    bodyParams["startTime"] = input.StartTime;
-  }
-  if (input.Width !== undefined) {
-    bodyParams["width"] = input.Width;
-  }
-  return bodyParams;
+  return {
+    ...(input.Duration !== undefined && { duration: input.Duration }),
+    ...(input.FadeIn !== undefined && { fadeIn: input.FadeIn }),
+    ...(input.FadeOut !== undefined && { fadeOut: input.FadeOut }),
+    ...(input.Height !== undefined && { height: input.Height }),
+    ...(input.ImageInserterInput !== undefined && {
+      imageInserterInput: input.ImageInserterInput
+    }),
+    ...(input.ImageX !== undefined && { imageX: input.ImageX }),
+    ...(input.ImageY !== undefined && { imageY: input.ImageY }),
+    ...(input.Layer !== undefined && { layer: input.Layer }),
+    ...(input.Opacity !== undefined && { opacity: input.Opacity }),
+    ...(input.StartTime !== undefined && { startTime: input.StartTime }),
+    ...(input.Width !== undefined && { width: input.Width })
+  };
 };
 
 const serializeAws_restJson1_1JobSettings = (
   input: JobSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AdAvailOffset !== undefined) {
-    bodyParams["adAvailOffset"] = input.AdAvailOffset;
-  }
-  if (input.AvailBlanking !== undefined) {
-    bodyParams["availBlanking"] = serializeAws_restJson1_1AvailBlanking(
-      input.AvailBlanking,
-      context
-    );
-  }
-  if (input.Esam !== undefined) {
-    bodyParams["esam"] = serializeAws_restJson1_1EsamSettings(
-      input.Esam,
-      context
-    );
-  }
-  if (input.Inputs !== undefined) {
-    bodyParams["inputs"] = serializeAws_restJson1_1__listOfInput(
-      input.Inputs,
-      context
-    );
-  }
-  if (input.MotionImageInserter !== undefined) {
-    bodyParams[
-      "motionImageInserter"
-    ] = serializeAws_restJson1_1MotionImageInserter(
-      input.MotionImageInserter,
-      context
-    );
-  }
-  if (input.NielsenConfiguration !== undefined) {
-    bodyParams[
-      "nielsenConfiguration"
-    ] = serializeAws_restJson1_1NielsenConfiguration(
-      input.NielsenConfiguration,
-      context
-    );
-  }
-  if (input.OutputGroups !== undefined) {
-    bodyParams["outputGroups"] = serializeAws_restJson1_1__listOfOutputGroup(
-      input.OutputGroups,
-      context
-    );
-  }
-  if (input.TimecodeConfig !== undefined) {
-    bodyParams["timecodeConfig"] = serializeAws_restJson1_1TimecodeConfig(
-      input.TimecodeConfig,
-      context
-    );
-  }
-  if (input.TimedMetadataInsertion !== undefined) {
-    bodyParams[
-      "timedMetadataInsertion"
-    ] = serializeAws_restJson1_1TimedMetadataInsertion(
-      input.TimedMetadataInsertion,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.AdAvailOffset !== undefined && {
+      adAvailOffset: input.AdAvailOffset
+    }),
+    ...(input.AvailBlanking !== undefined && {
+      availBlanking: serializeAws_restJson1_1AvailBlanking(
+        input.AvailBlanking,
+        context
+      )
+    }),
+    ...(input.Esam !== undefined && {
+      esam: serializeAws_restJson1_1EsamSettings(input.Esam, context)
+    }),
+    ...(input.Inputs !== undefined && {
+      inputs: serializeAws_restJson1_1__listOfInput(input.Inputs, context)
+    }),
+    ...(input.MotionImageInserter !== undefined && {
+      motionImageInserter: serializeAws_restJson1_1MotionImageInserter(
+        input.MotionImageInserter,
+        context
+      )
+    }),
+    ...(input.NielsenConfiguration !== undefined && {
+      nielsenConfiguration: serializeAws_restJson1_1NielsenConfiguration(
+        input.NielsenConfiguration,
+        context
+      )
+    }),
+    ...(input.OutputGroups !== undefined && {
+      outputGroups: serializeAws_restJson1_1__listOfOutputGroup(
+        input.OutputGroups,
+        context
+      )
+    }),
+    ...(input.TimecodeConfig !== undefined && {
+      timecodeConfig: serializeAws_restJson1_1TimecodeConfig(
+        input.TimecodeConfig,
+        context
+      )
+    }),
+    ...(input.TimedMetadataInsertion !== undefined && {
+      timedMetadataInsertion: serializeAws_restJson1_1TimedMetadataInsertion(
+        input.TimedMetadataInsertion,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1JobTemplateSettings = (
   input: JobTemplateSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AdAvailOffset !== undefined) {
-    bodyParams["adAvailOffset"] = input.AdAvailOffset;
-  }
-  if (input.AvailBlanking !== undefined) {
-    bodyParams["availBlanking"] = serializeAws_restJson1_1AvailBlanking(
-      input.AvailBlanking,
-      context
-    );
-  }
-  if (input.Esam !== undefined) {
-    bodyParams["esam"] = serializeAws_restJson1_1EsamSettings(
-      input.Esam,
-      context
-    );
-  }
-  if (input.Inputs !== undefined) {
-    bodyParams["inputs"] = serializeAws_restJson1_1__listOfInputTemplate(
-      input.Inputs,
-      context
-    );
-  }
-  if (input.MotionImageInserter !== undefined) {
-    bodyParams[
-      "motionImageInserter"
-    ] = serializeAws_restJson1_1MotionImageInserter(
-      input.MotionImageInserter,
-      context
-    );
-  }
-  if (input.NielsenConfiguration !== undefined) {
-    bodyParams[
-      "nielsenConfiguration"
-    ] = serializeAws_restJson1_1NielsenConfiguration(
-      input.NielsenConfiguration,
-      context
-    );
-  }
-  if (input.OutputGroups !== undefined) {
-    bodyParams["outputGroups"] = serializeAws_restJson1_1__listOfOutputGroup(
-      input.OutputGroups,
-      context
-    );
-  }
-  if (input.TimecodeConfig !== undefined) {
-    bodyParams["timecodeConfig"] = serializeAws_restJson1_1TimecodeConfig(
-      input.TimecodeConfig,
-      context
-    );
-  }
-  if (input.TimedMetadataInsertion !== undefined) {
-    bodyParams[
-      "timedMetadataInsertion"
-    ] = serializeAws_restJson1_1TimedMetadataInsertion(
-      input.TimedMetadataInsertion,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.AdAvailOffset !== undefined && {
+      adAvailOffset: input.AdAvailOffset
+    }),
+    ...(input.AvailBlanking !== undefined && {
+      availBlanking: serializeAws_restJson1_1AvailBlanking(
+        input.AvailBlanking,
+        context
+      )
+    }),
+    ...(input.Esam !== undefined && {
+      esam: serializeAws_restJson1_1EsamSettings(input.Esam, context)
+    }),
+    ...(input.Inputs !== undefined && {
+      inputs: serializeAws_restJson1_1__listOfInputTemplate(
+        input.Inputs,
+        context
+      )
+    }),
+    ...(input.MotionImageInserter !== undefined && {
+      motionImageInserter: serializeAws_restJson1_1MotionImageInserter(
+        input.MotionImageInserter,
+        context
+      )
+    }),
+    ...(input.NielsenConfiguration !== undefined && {
+      nielsenConfiguration: serializeAws_restJson1_1NielsenConfiguration(
+        input.NielsenConfiguration,
+        context
+      )
+    }),
+    ...(input.OutputGroups !== undefined && {
+      outputGroups: serializeAws_restJson1_1__listOfOutputGroup(
+        input.OutputGroups,
+        context
+      )
+    }),
+    ...(input.TimecodeConfig !== undefined && {
+      timecodeConfig: serializeAws_restJson1_1TimecodeConfig(
+        input.TimecodeConfig,
+        context
+      )
+    }),
+    ...(input.TimedMetadataInsertion !== undefined && {
+      timedMetadataInsertion: serializeAws_restJson1_1TimedMetadataInsertion(
+        input.TimedMetadataInsertion,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1M2tsScte35Esam = (
   input: M2tsScte35Esam,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Scte35EsamPid !== undefined) {
-    bodyParams["scte35EsamPid"] = input.Scte35EsamPid;
-  }
-  return bodyParams;
+  return {
+    ...(input.Scte35EsamPid !== undefined && {
+      scte35EsamPid: input.Scte35EsamPid
+    })
+  };
 };
 
 const serializeAws_restJson1_1M2tsSettings = (
   input: M2tsSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AudioBufferModel !== undefined) {
-    bodyParams["audioBufferModel"] = input.AudioBufferModel;
-  }
-  if (input.AudioFramesPerPes !== undefined) {
-    bodyParams["audioFramesPerPes"] = input.AudioFramesPerPes;
-  }
-  if (input.AudioPids !== undefined) {
-    bodyParams[
-      "audioPids"
-    ] = serializeAws_restJson1_1__listOf__integerMin32Max8182(
-      input.AudioPids,
-      context
-    );
-  }
-  if (input.Bitrate !== undefined) {
-    bodyParams["bitrate"] = input.Bitrate;
-  }
-  if (input.BufferModel !== undefined) {
-    bodyParams["bufferModel"] = input.BufferModel;
-  }
-  if (input.DvbNitSettings !== undefined) {
-    bodyParams["dvbNitSettings"] = serializeAws_restJson1_1DvbNitSettings(
-      input.DvbNitSettings,
-      context
-    );
-  }
-  if (input.DvbSdtSettings !== undefined) {
-    bodyParams["dvbSdtSettings"] = serializeAws_restJson1_1DvbSdtSettings(
-      input.DvbSdtSettings,
-      context
-    );
-  }
-  if (input.DvbSubPids !== undefined) {
-    bodyParams[
-      "dvbSubPids"
-    ] = serializeAws_restJson1_1__listOf__integerMin32Max8182(
-      input.DvbSubPids,
-      context
-    );
-  }
-  if (input.DvbTdtSettings !== undefined) {
-    bodyParams["dvbTdtSettings"] = serializeAws_restJson1_1DvbTdtSettings(
-      input.DvbTdtSettings,
-      context
-    );
-  }
-  if (input.DvbTeletextPid !== undefined) {
-    bodyParams["dvbTeletextPid"] = input.DvbTeletextPid;
-  }
-  if (input.EbpAudioInterval !== undefined) {
-    bodyParams["ebpAudioInterval"] = input.EbpAudioInterval;
-  }
-  if (input.EbpPlacement !== undefined) {
-    bodyParams["ebpPlacement"] = input.EbpPlacement;
-  }
-  if (input.EsRateInPes !== undefined) {
-    bodyParams["esRateInPes"] = input.EsRateInPes;
-  }
-  if (input.ForceTsVideoEbpOrder !== undefined) {
-    bodyParams["forceTsVideoEbpOrder"] = input.ForceTsVideoEbpOrder;
-  }
-  if (input.FragmentTime !== undefined) {
-    bodyParams["fragmentTime"] = input.FragmentTime;
-  }
-  if (input.MaxPcrInterval !== undefined) {
-    bodyParams["maxPcrInterval"] = input.MaxPcrInterval;
-  }
-  if (input.MinEbpInterval !== undefined) {
-    bodyParams["minEbpInterval"] = input.MinEbpInterval;
-  }
-  if (input.NielsenId3 !== undefined) {
-    bodyParams["nielsenId3"] = input.NielsenId3;
-  }
-  if (input.NullPacketBitrate !== undefined) {
-    bodyParams["nullPacketBitrate"] = input.NullPacketBitrate;
-  }
-  if (input.PatInterval !== undefined) {
-    bodyParams["patInterval"] = input.PatInterval;
-  }
-  if (input.PcrControl !== undefined) {
-    bodyParams["pcrControl"] = input.PcrControl;
-  }
-  if (input.PcrPid !== undefined) {
-    bodyParams["pcrPid"] = input.PcrPid;
-  }
-  if (input.PmtInterval !== undefined) {
-    bodyParams["pmtInterval"] = input.PmtInterval;
-  }
-  if (input.PmtPid !== undefined) {
-    bodyParams["pmtPid"] = input.PmtPid;
-  }
-  if (input.PrivateMetadataPid !== undefined) {
-    bodyParams["privateMetadataPid"] = input.PrivateMetadataPid;
-  }
-  if (input.ProgramNumber !== undefined) {
-    bodyParams["programNumber"] = input.ProgramNumber;
-  }
-  if (input.RateMode !== undefined) {
-    bodyParams["rateMode"] = input.RateMode;
-  }
-  if (input.Scte35Esam !== undefined) {
-    bodyParams["scte35Esam"] = serializeAws_restJson1_1M2tsScte35Esam(
-      input.Scte35Esam,
-      context
-    );
-  }
-  if (input.Scte35Pid !== undefined) {
-    bodyParams["scte35Pid"] = input.Scte35Pid;
-  }
-  if (input.Scte35Source !== undefined) {
-    bodyParams["scte35Source"] = input.Scte35Source;
-  }
-  if (input.SegmentationMarkers !== undefined) {
-    bodyParams["segmentationMarkers"] = input.SegmentationMarkers;
-  }
-  if (input.SegmentationStyle !== undefined) {
-    bodyParams["segmentationStyle"] = input.SegmentationStyle;
-  }
-  if (input.SegmentationTime !== undefined) {
-    bodyParams["segmentationTime"] = input.SegmentationTime;
-  }
-  if (input.TimedMetadataPid !== undefined) {
-    bodyParams["timedMetadataPid"] = input.TimedMetadataPid;
-  }
-  if (input.TransportStreamId !== undefined) {
-    bodyParams["transportStreamId"] = input.TransportStreamId;
-  }
-  if (input.VideoPid !== undefined) {
-    bodyParams["videoPid"] = input.VideoPid;
-  }
-  return bodyParams;
+  return {
+    ...(input.AudioBufferModel !== undefined && {
+      audioBufferModel: input.AudioBufferModel
+    }),
+    ...(input.AudioFramesPerPes !== undefined && {
+      audioFramesPerPes: input.AudioFramesPerPes
+    }),
+    ...(input.AudioPids !== undefined && {
+      audioPids: serializeAws_restJson1_1__listOf__integerMin32Max8182(
+        input.AudioPids,
+        context
+      )
+    }),
+    ...(input.Bitrate !== undefined && { bitrate: input.Bitrate }),
+    ...(input.BufferModel !== undefined && { bufferModel: input.BufferModel }),
+    ...(input.DvbNitSettings !== undefined && {
+      dvbNitSettings: serializeAws_restJson1_1DvbNitSettings(
+        input.DvbNitSettings,
+        context
+      )
+    }),
+    ...(input.DvbSdtSettings !== undefined && {
+      dvbSdtSettings: serializeAws_restJson1_1DvbSdtSettings(
+        input.DvbSdtSettings,
+        context
+      )
+    }),
+    ...(input.DvbSubPids !== undefined && {
+      dvbSubPids: serializeAws_restJson1_1__listOf__integerMin32Max8182(
+        input.DvbSubPids,
+        context
+      )
+    }),
+    ...(input.DvbTdtSettings !== undefined && {
+      dvbTdtSettings: serializeAws_restJson1_1DvbTdtSettings(
+        input.DvbTdtSettings,
+        context
+      )
+    }),
+    ...(input.DvbTeletextPid !== undefined && {
+      dvbTeletextPid: input.DvbTeletextPid
+    }),
+    ...(input.EbpAudioInterval !== undefined && {
+      ebpAudioInterval: input.EbpAudioInterval
+    }),
+    ...(input.EbpPlacement !== undefined && {
+      ebpPlacement: input.EbpPlacement
+    }),
+    ...(input.EsRateInPes !== undefined && { esRateInPes: input.EsRateInPes }),
+    ...(input.ForceTsVideoEbpOrder !== undefined && {
+      forceTsVideoEbpOrder: input.ForceTsVideoEbpOrder
+    }),
+    ...(input.FragmentTime !== undefined && {
+      fragmentTime: input.FragmentTime
+    }),
+    ...(input.MaxPcrInterval !== undefined && {
+      maxPcrInterval: input.MaxPcrInterval
+    }),
+    ...(input.MinEbpInterval !== undefined && {
+      minEbpInterval: input.MinEbpInterval
+    }),
+    ...(input.NielsenId3 !== undefined && { nielsenId3: input.NielsenId3 }),
+    ...(input.NullPacketBitrate !== undefined && {
+      nullPacketBitrate: input.NullPacketBitrate
+    }),
+    ...(input.PatInterval !== undefined && { patInterval: input.PatInterval }),
+    ...(input.PcrControl !== undefined && { pcrControl: input.PcrControl }),
+    ...(input.PcrPid !== undefined && { pcrPid: input.PcrPid }),
+    ...(input.PmtInterval !== undefined && { pmtInterval: input.PmtInterval }),
+    ...(input.PmtPid !== undefined && { pmtPid: input.PmtPid }),
+    ...(input.PrivateMetadataPid !== undefined && {
+      privateMetadataPid: input.PrivateMetadataPid
+    }),
+    ...(input.ProgramNumber !== undefined && {
+      programNumber: input.ProgramNumber
+    }),
+    ...(input.RateMode !== undefined && { rateMode: input.RateMode }),
+    ...(input.Scte35Esam !== undefined && {
+      scte35Esam: serializeAws_restJson1_1M2tsScte35Esam(
+        input.Scte35Esam,
+        context
+      )
+    }),
+    ...(input.Scte35Pid !== undefined && { scte35Pid: input.Scte35Pid }),
+    ...(input.Scte35Source !== undefined && {
+      scte35Source: input.Scte35Source
+    }),
+    ...(input.SegmentationMarkers !== undefined && {
+      segmentationMarkers: input.SegmentationMarkers
+    }),
+    ...(input.SegmentationStyle !== undefined && {
+      segmentationStyle: input.SegmentationStyle
+    }),
+    ...(input.SegmentationTime !== undefined && {
+      segmentationTime: input.SegmentationTime
+    }),
+    ...(input.TimedMetadataPid !== undefined && {
+      timedMetadataPid: input.TimedMetadataPid
+    }),
+    ...(input.TransportStreamId !== undefined && {
+      transportStreamId: input.TransportStreamId
+    }),
+    ...(input.VideoPid !== undefined && { videoPid: input.VideoPid })
+  };
 };
 
 const serializeAws_restJson1_1M3u8Settings = (
   input: M3u8Settings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AudioFramesPerPes !== undefined) {
-    bodyParams["audioFramesPerPes"] = input.AudioFramesPerPes;
-  }
-  if (input.AudioPids !== undefined) {
-    bodyParams[
-      "audioPids"
-    ] = serializeAws_restJson1_1__listOf__integerMin32Max8182(
-      input.AudioPids,
-      context
-    );
-  }
-  if (input.NielsenId3 !== undefined) {
-    bodyParams["nielsenId3"] = input.NielsenId3;
-  }
-  if (input.PatInterval !== undefined) {
-    bodyParams["patInterval"] = input.PatInterval;
-  }
-  if (input.PcrControl !== undefined) {
-    bodyParams["pcrControl"] = input.PcrControl;
-  }
-  if (input.PcrPid !== undefined) {
-    bodyParams["pcrPid"] = input.PcrPid;
-  }
-  if (input.PmtInterval !== undefined) {
-    bodyParams["pmtInterval"] = input.PmtInterval;
-  }
-  if (input.PmtPid !== undefined) {
-    bodyParams["pmtPid"] = input.PmtPid;
-  }
-  if (input.PrivateMetadataPid !== undefined) {
-    bodyParams["privateMetadataPid"] = input.PrivateMetadataPid;
-  }
-  if (input.ProgramNumber !== undefined) {
-    bodyParams["programNumber"] = input.ProgramNumber;
-  }
-  if (input.Scte35Pid !== undefined) {
-    bodyParams["scte35Pid"] = input.Scte35Pid;
-  }
-  if (input.Scte35Source !== undefined) {
-    bodyParams["scte35Source"] = input.Scte35Source;
-  }
-  if (input.TimedMetadata !== undefined) {
-    bodyParams["timedMetadata"] = input.TimedMetadata;
-  }
-  if (input.TimedMetadataPid !== undefined) {
-    bodyParams["timedMetadataPid"] = input.TimedMetadataPid;
-  }
-  if (input.TransportStreamId !== undefined) {
-    bodyParams["transportStreamId"] = input.TransportStreamId;
-  }
-  if (input.VideoPid !== undefined) {
-    bodyParams["videoPid"] = input.VideoPid;
-  }
-  return bodyParams;
-};
-
-const serializeAws_restJson1_1MotionImageInserter = (
-  input: MotionImageInserter,
-  context: __SerdeContext
-): any => {
-  const bodyParams: any = {};
-  if (input.Framerate !== undefined) {
-    bodyParams[
-      "framerate"
-    ] = serializeAws_restJson1_1MotionImageInsertionFramerate(
-      input.Framerate,
-      context
-    );
-  }
-  if (input.Input !== undefined) {
-    bodyParams["input"] = input.Input;
-  }
-  if (input.InsertionMode !== undefined) {
-    bodyParams["insertionMode"] = input.InsertionMode;
-  }
-  if (input.Offset !== undefined) {
-    bodyParams["offset"] = serializeAws_restJson1_1MotionImageInsertionOffset(
-      input.Offset,
-      context
-    );
-  }
-  if (input.Playback !== undefined) {
-    bodyParams["playback"] = input.Playback;
-  }
-  if (input.StartTime !== undefined) {
-    bodyParams["startTime"] = input.StartTime;
-  }
-  return bodyParams;
+  return {
+    ...(input.AudioFramesPerPes !== undefined && {
+      audioFramesPerPes: input.AudioFramesPerPes
+    }),
+    ...(input.AudioPids !== undefined && {
+      audioPids: serializeAws_restJson1_1__listOf__integerMin32Max8182(
+        input.AudioPids,
+        context
+      )
+    }),
+    ...(input.NielsenId3 !== undefined && { nielsenId3: input.NielsenId3 }),
+    ...(input.PatInterval !== undefined && { patInterval: input.PatInterval }),
+    ...(input.PcrControl !== undefined && { pcrControl: input.PcrControl }),
+    ...(input.PcrPid !== undefined && { pcrPid: input.PcrPid }),
+    ...(input.PmtInterval !== undefined && { pmtInterval: input.PmtInterval }),
+    ...(input.PmtPid !== undefined && { pmtPid: input.PmtPid }),
+    ...(input.PrivateMetadataPid !== undefined && {
+      privateMetadataPid: input.PrivateMetadataPid
+    }),
+    ...(input.ProgramNumber !== undefined && {
+      programNumber: input.ProgramNumber
+    }),
+    ...(input.Scte35Pid !== undefined && { scte35Pid: input.Scte35Pid }),
+    ...(input.Scte35Source !== undefined && {
+      scte35Source: input.Scte35Source
+    }),
+    ...(input.TimedMetadata !== undefined && {
+      timedMetadata: input.TimedMetadata
+    }),
+    ...(input.TimedMetadataPid !== undefined && {
+      timedMetadataPid: input.TimedMetadataPid
+    }),
+    ...(input.TransportStreamId !== undefined && {
+      transportStreamId: input.TransportStreamId
+    }),
+    ...(input.VideoPid !== undefined && { videoPid: input.VideoPid })
+  };
+};
+
+const serializeAws_restJson1_1MotionImageInserter = (
+  input: MotionImageInserter,
+  context: __SerdeContext
+): any => {
+  return {
+    ...(input.Framerate !== undefined && {
+      framerate: serializeAws_restJson1_1MotionImageInsertionFramerate(
+        input.Framerate,
+        context
+      )
+    }),
+    ...(input.Input !== undefined && { input: input.Input }),
+    ...(input.InsertionMode !== undefined && {
+      insertionMode: input.InsertionMode
+    }),
+    ...(input.Offset !== undefined && {
+      offset: serializeAws_restJson1_1MotionImageInsertionOffset(
+        input.Offset,
+        context
+      )
+    }),
+    ...(input.Playback !== undefined && { playback: input.Playback }),
+    ...(input.StartTime !== undefined && { startTime: input.StartTime })
+  };
 };
 
 const serializeAws_restJson1_1MotionImageInsertionFramerate = (
   input: MotionImageInsertionFramerate,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.FramerateDenominator !== undefined) {
-    bodyParams["framerateDenominator"] = input.FramerateDenominator;
-  }
-  if (input.FramerateNumerator !== undefined) {
-    bodyParams["framerateNumerator"] = input.FramerateNumerator;
-  }
-  return bodyParams;
+  return {
+    ...(input.FramerateDenominator !== undefined && {
+      framerateDenominator: input.FramerateDenominator
+    }),
+    ...(input.FramerateNumerator !== undefined && {
+      framerateNumerator: input.FramerateNumerator
+    })
+  };
 };
 
 const serializeAws_restJson1_1MotionImageInsertionOffset = (
   input: MotionImageInsertionOffset,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ImageX !== undefined) {
-    bodyParams["imageX"] = input.ImageX;
-  }
-  if (input.ImageY !== undefined) {
-    bodyParams["imageY"] = input.ImageY;
-  }
-  return bodyParams;
+  return {
+    ...(input.ImageX !== undefined && { imageX: input.ImageX }),
+    ...(input.ImageY !== undefined && { imageY: input.ImageY })
+  };
 };
 
 const serializeAws_restJson1_1MovSettings = (
   input: MovSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ClapAtom !== undefined) {
-    bodyParams["clapAtom"] = input.ClapAtom;
-  }
-  if (input.CslgAtom !== undefined) {
-    bodyParams["cslgAtom"] = input.CslgAtom;
-  }
-  if (input.Mpeg2FourCCControl !== undefined) {
-    bodyParams["mpeg2FourCCControl"] = input.Mpeg2FourCCControl;
-  }
-  if (input.PaddingControl !== undefined) {
-    bodyParams["paddingControl"] = input.PaddingControl;
-  }
-  if (input.Reference !== undefined) {
-    bodyParams["reference"] = input.Reference;
-  }
-  return bodyParams;
+  return {
+    ...(input.ClapAtom !== undefined && { clapAtom: input.ClapAtom }),
+    ...(input.CslgAtom !== undefined && { cslgAtom: input.CslgAtom }),
+    ...(input.Mpeg2FourCCControl !== undefined && {
+      mpeg2FourCCControl: input.Mpeg2FourCCControl
+    }),
+    ...(input.PaddingControl !== undefined && {
+      paddingControl: input.PaddingControl
+    }),
+    ...(input.Reference !== undefined && { reference: input.Reference })
+  };
 };
 
 const serializeAws_restJson1_1Mp2Settings = (
   input: Mp2Settings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Bitrate !== undefined) {
-    bodyParams["bitrate"] = input.Bitrate;
-  }
-  if (input.Channels !== undefined) {
-    bodyParams["channels"] = input.Channels;
-  }
-  if (input.SampleRate !== undefined) {
-    bodyParams["sampleRate"] = input.SampleRate;
-  }
-  return bodyParams;
+  return {
+    ...(input.Bitrate !== undefined && { bitrate: input.Bitrate }),
+    ...(input.Channels !== undefined && { channels: input.Channels }),
+    ...(input.SampleRate !== undefined && { sampleRate: input.SampleRate })
+  };
 };
 
 const serializeAws_restJson1_1Mp3Settings = (
   input: Mp3Settings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Bitrate !== undefined) {
-    bodyParams["bitrate"] = input.Bitrate;
-  }
-  if (input.Channels !== undefined) {
-    bodyParams["channels"] = input.Channels;
-  }
-  if (input.RateControlMode !== undefined) {
-    bodyParams["rateControlMode"] = input.RateControlMode;
-  }
-  if (input.SampleRate !== undefined) {
-    bodyParams["sampleRate"] = input.SampleRate;
-  }
-  if (input.VbrQuality !== undefined) {
-    bodyParams["vbrQuality"] = input.VbrQuality;
-  }
-  return bodyParams;
+  return {
+    ...(input.Bitrate !== undefined && { bitrate: input.Bitrate }),
+    ...(input.Channels !== undefined && { channels: input.Channels }),
+    ...(input.RateControlMode !== undefined && {
+      rateControlMode: input.RateControlMode
+    }),
+    ...(input.SampleRate !== undefined && { sampleRate: input.SampleRate }),
+    ...(input.VbrQuality !== undefined && { vbrQuality: input.VbrQuality })
+  };
 };
 
 const serializeAws_restJson1_1Mp4Settings = (
   input: Mp4Settings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CslgAtom !== undefined) {
-    bodyParams["cslgAtom"] = input.CslgAtom;
-  }
-  if (input.CttsVersion !== undefined) {
-    bodyParams["cttsVersion"] = input.CttsVersion;
-  }
-  if (input.FreeSpaceBox !== undefined) {
-    bodyParams["freeSpaceBox"] = input.FreeSpaceBox;
-  }
-  if (input.MoovPlacement !== undefined) {
-    bodyParams["moovPlacement"] = input.MoovPlacement;
-  }
-  if (input.Mp4MajorBrand !== undefined) {
-    bodyParams["mp4MajorBrand"] = input.Mp4MajorBrand;
-  }
-  return bodyParams;
+  return {
+    ...(input.CslgAtom !== undefined && { cslgAtom: input.CslgAtom }),
+    ...(input.CttsVersion !== undefined && { cttsVersion: input.CttsVersion }),
+    ...(input.FreeSpaceBox !== undefined && {
+      freeSpaceBox: input.FreeSpaceBox
+    }),
+    ...(input.MoovPlacement !== undefined && {
+      moovPlacement: input.MoovPlacement
+    }),
+    ...(input.Mp4MajorBrand !== undefined && {
+      mp4MajorBrand: input.Mp4MajorBrand
+    })
+  };
 };
 
 const serializeAws_restJson1_1MpdSettings = (
   input: MpdSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CaptionContainerType !== undefined) {
-    bodyParams["captionContainerType"] = input.CaptionContainerType;
-  }
-  if (input.Scte35Esam !== undefined) {
-    bodyParams["scte35Esam"] = input.Scte35Esam;
-  }
-  if (input.Scte35Source !== undefined) {
-    bodyParams["scte35Source"] = input.Scte35Source;
-  }
-  return bodyParams;
+  return {
+    ...(input.CaptionContainerType !== undefined && {
+      captionContainerType: input.CaptionContainerType
+    }),
+    ...(input.Scte35Esam !== undefined && { scte35Esam: input.Scte35Esam }),
+    ...(input.Scte35Source !== undefined && {
+      scte35Source: input.Scte35Source
+    })
+  };
 };
 
 const serializeAws_restJson1_1Mpeg2Settings = (
   input: Mpeg2Settings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AdaptiveQuantization !== undefined) {
-    bodyParams["adaptiveQuantization"] = input.AdaptiveQuantization;
-  }
-  if (input.Bitrate !== undefined) {
-    bodyParams["bitrate"] = input.Bitrate;
-  }
-  if (input.CodecLevel !== undefined) {
-    bodyParams["codecLevel"] = input.CodecLevel;
-  }
-  if (input.CodecProfile !== undefined) {
-    bodyParams["codecProfile"] = input.CodecProfile;
-  }
-  if (input.DynamicSubGop !== undefined) {
-    bodyParams["dynamicSubGop"] = input.DynamicSubGop;
-  }
-  if (input.FramerateControl !== undefined) {
-    bodyParams["framerateControl"] = input.FramerateControl;
-  }
-  if (input.FramerateConversionAlgorithm !== undefined) {
-    bodyParams["framerateConversionAlgorithm"] =
-      input.FramerateConversionAlgorithm;
-  }
-  if (input.FramerateDenominator !== undefined) {
-    bodyParams["framerateDenominator"] = input.FramerateDenominator;
-  }
-  if (input.FramerateNumerator !== undefined) {
-    bodyParams["framerateNumerator"] = input.FramerateNumerator;
-  }
-  if (input.GopClosedCadence !== undefined) {
-    bodyParams["gopClosedCadence"] = input.GopClosedCadence;
-  }
-  if (input.GopSize !== undefined) {
-    bodyParams["gopSize"] = input.GopSize;
-  }
-  if (input.GopSizeUnits !== undefined) {
-    bodyParams["gopSizeUnits"] = input.GopSizeUnits;
-  }
-  if (input.HrdBufferInitialFillPercentage !== undefined) {
-    bodyParams["hrdBufferInitialFillPercentage"] =
-      input.HrdBufferInitialFillPercentage;
-  }
-  if (input.HrdBufferSize !== undefined) {
-    bodyParams["hrdBufferSize"] = input.HrdBufferSize;
-  }
-  if (input.InterlaceMode !== undefined) {
-    bodyParams["interlaceMode"] = input.InterlaceMode;
-  }
-  if (input.IntraDcPrecision !== undefined) {
-    bodyParams["intraDcPrecision"] = input.IntraDcPrecision;
-  }
-  if (input.MaxBitrate !== undefined) {
-    bodyParams["maxBitrate"] = input.MaxBitrate;
-  }
-  if (input.MinIInterval !== undefined) {
-    bodyParams["minIInterval"] = input.MinIInterval;
-  }
-  if (input.NumberBFramesBetweenReferenceFrames !== undefined) {
-    bodyParams["numberBFramesBetweenReferenceFrames"] =
-      input.NumberBFramesBetweenReferenceFrames;
-  }
-  if (input.ParControl !== undefined) {
-    bodyParams["parControl"] = input.ParControl;
-  }
-  if (input.ParDenominator !== undefined) {
-    bodyParams["parDenominator"] = input.ParDenominator;
-  }
-  if (input.ParNumerator !== undefined) {
-    bodyParams["parNumerator"] = input.ParNumerator;
-  }
-  if (input.QualityTuningLevel !== undefined) {
-    bodyParams["qualityTuningLevel"] = input.QualityTuningLevel;
-  }
-  if (input.RateControlMode !== undefined) {
-    bodyParams["rateControlMode"] = input.RateControlMode;
-  }
-  if (input.SceneChangeDetect !== undefined) {
-    bodyParams["sceneChangeDetect"] = input.SceneChangeDetect;
-  }
-  if (input.SlowPal !== undefined) {
-    bodyParams["slowPal"] = input.SlowPal;
-  }
-  if (input.Softness !== undefined) {
-    bodyParams["softness"] = input.Softness;
-  }
-  if (input.SpatialAdaptiveQuantization !== undefined) {
-    bodyParams["spatialAdaptiveQuantization"] =
-      input.SpatialAdaptiveQuantization;
-  }
-  if (input.Syntax !== undefined) {
-    bodyParams["syntax"] = input.Syntax;
-  }
-  if (input.Telecine !== undefined) {
-    bodyParams["telecine"] = input.Telecine;
-  }
-  if (input.TemporalAdaptiveQuantization !== undefined) {
-    bodyParams["temporalAdaptiveQuantization"] =
-      input.TemporalAdaptiveQuantization;
-  }
-  return bodyParams;
+  return {
+    ...(input.AdaptiveQuantization !== undefined && {
+      adaptiveQuantization: input.AdaptiveQuantization
+    }),
+    ...(input.Bitrate !== undefined && { bitrate: input.Bitrate }),
+    ...(input.CodecLevel !== undefined && { codecLevel: input.CodecLevel }),
+    ...(input.CodecProfile !== undefined && {
+      codecProfile: input.CodecProfile
+    }),
+    ...(input.DynamicSubGop !== undefined && {
+      dynamicSubGop: input.DynamicSubGop
+    }),
+    ...(input.FramerateControl !== undefined && {
+      framerateControl: input.FramerateControl
+    }),
+    ...(input.FramerateConversionAlgorithm !== undefined && {
+      framerateConversionAlgorithm: input.FramerateConversionAlgorithm
+    }),
+    ...(input.FramerateDenominator !== undefined && {
+      framerateDenominator: input.FramerateDenominator
+    }),
+    ...(input.FramerateNumerator !== undefined && {
+      framerateNumerator: input.FramerateNumerator
+    }),
+    ...(input.GopClosedCadence !== undefined && {
+      gopClosedCadence: input.GopClosedCadence
+    }),
+    ...(input.GopSize !== undefined && { gopSize: input.GopSize }),
+    ...(input.GopSizeUnits !== undefined && {
+      gopSizeUnits: input.GopSizeUnits
+    }),
+    ...(input.HrdBufferInitialFillPercentage !== undefined && {
+      hrdBufferInitialFillPercentage: input.HrdBufferInitialFillPercentage
+    }),
+    ...(input.HrdBufferSize !== undefined && {
+      hrdBufferSize: input.HrdBufferSize
+    }),
+    ...(input.InterlaceMode !== undefined && {
+      interlaceMode: input.InterlaceMode
+    }),
+    ...(input.IntraDcPrecision !== undefined && {
+      intraDcPrecision: input.IntraDcPrecision
+    }),
+    ...(input.MaxBitrate !== undefined && { maxBitrate: input.MaxBitrate }),
+    ...(input.MinIInterval !== undefined && {
+      minIInterval: input.MinIInterval
+    }),
+    ...(input.NumberBFramesBetweenReferenceFrames !== undefined && {
+      numberBFramesBetweenReferenceFrames:
+        input.NumberBFramesBetweenReferenceFrames
+    }),
+    ...(input.ParControl !== undefined && { parControl: input.ParControl }),
+    ...(input.ParDenominator !== undefined && {
+      parDenominator: input.ParDenominator
+    }),
+    ...(input.ParNumerator !== undefined && {
+      parNumerator: input.ParNumerator
+    }),
+    ...(input.QualityTuningLevel !== undefined && {
+      qualityTuningLevel: input.QualityTuningLevel
+    }),
+    ...(input.RateControlMode !== undefined && {
+      rateControlMode: input.RateControlMode
+    }),
+    ...(input.SceneChangeDetect !== undefined && {
+      sceneChangeDetect: input.SceneChangeDetect
+    }),
+    ...(input.SlowPal !== undefined && { slowPal: input.SlowPal }),
+    ...(input.Softness !== undefined && { softness: input.Softness }),
+    ...(input.SpatialAdaptiveQuantization !== undefined && {
+      spatialAdaptiveQuantization: input.SpatialAdaptiveQuantization
+    }),
+    ...(input.Syntax !== undefined && { syntax: input.Syntax }),
+    ...(input.Telecine !== undefined && { telecine: input.Telecine }),
+    ...(input.TemporalAdaptiveQuantization !== undefined && {
+      temporalAdaptiveQuantization: input.TemporalAdaptiveQuantization
+    })
+  };
 };
 
 const serializeAws_restJson1_1MsSmoothAdditionalManifest = (
   input: MsSmoothAdditionalManifest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ManifestNameModifier !== undefined) {
-    bodyParams["manifestNameModifier"] = input.ManifestNameModifier;
-  }
-  if (input.SelectedOutputs !== undefined) {
-    bodyParams[
-      "selectedOutputs"
-    ] = serializeAws_restJson1_1__listOf__stringMin1(
-      input.SelectedOutputs,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ManifestNameModifier !== undefined && {
+      manifestNameModifier: input.ManifestNameModifier
+    }),
+    ...(input.SelectedOutputs !== undefined && {
+      selectedOutputs: serializeAws_restJson1_1__listOf__stringMin1(
+        input.SelectedOutputs,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1MsSmoothEncryptionSettings = (
   input: MsSmoothEncryptionSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.SpekeKeyProvider !== undefined) {
-    bodyParams["spekeKeyProvider"] = serializeAws_restJson1_1SpekeKeyProvider(
-      input.SpekeKeyProvider,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.SpekeKeyProvider !== undefined && {
+      spekeKeyProvider: serializeAws_restJson1_1SpekeKeyProvider(
+        input.SpekeKeyProvider,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1MsSmoothGroupSettings = (
   input: MsSmoothGroupSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AdditionalManifests !== undefined) {
-    bodyParams[
-      "additionalManifests"
-    ] = serializeAws_restJson1_1__listOfMsSmoothAdditionalManifest(
-      input.AdditionalManifests,
-      context
-    );
-  }
-  if (input.AudioDeduplication !== undefined) {
-    bodyParams["audioDeduplication"] = input.AudioDeduplication;
-  }
-  if (input.Destination !== undefined) {
-    bodyParams["destination"] = input.Destination;
-  }
-  if (input.DestinationSettings !== undefined) {
-    bodyParams[
-      "destinationSettings"
-    ] = serializeAws_restJson1_1DestinationSettings(
-      input.DestinationSettings,
-      context
-    );
-  }
-  if (input.Encryption !== undefined) {
-    bodyParams[
-      "encryption"
-    ] = serializeAws_restJson1_1MsSmoothEncryptionSettings(
-      input.Encryption,
-      context
-    );
-  }
-  if (input.FragmentLength !== undefined) {
-    bodyParams["fragmentLength"] = input.FragmentLength;
-  }
-  if (input.ManifestEncoding !== undefined) {
-    bodyParams["manifestEncoding"] = input.ManifestEncoding;
-  }
-  return bodyParams;
+  return {
+    ...(input.AdditionalManifests !== undefined && {
+      additionalManifests: serializeAws_restJson1_1__listOfMsSmoothAdditionalManifest(
+        input.AdditionalManifests,
+        context
+      )
+    }),
+    ...(input.AudioDeduplication !== undefined && {
+      audioDeduplication: input.AudioDeduplication
+    }),
+    ...(input.Destination !== undefined && { destination: input.Destination }),
+    ...(input.DestinationSettings !== undefined && {
+      destinationSettings: serializeAws_restJson1_1DestinationSettings(
+        input.DestinationSettings,
+        context
+      )
+    }),
+    ...(input.Encryption !== undefined && {
+      encryption: serializeAws_restJson1_1MsSmoothEncryptionSettings(
+        input.Encryption,
+        context
+      )
+    }),
+    ...(input.FragmentLength !== undefined && {
+      fragmentLength: input.FragmentLength
+    }),
+    ...(input.ManifestEncoding !== undefined && {
+      manifestEncoding: input.ManifestEncoding
+    })
+  };
 };
 
 const serializeAws_restJson1_1NielsenConfiguration = (
   input: NielsenConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.BreakoutCode !== undefined) {
-    bodyParams["breakoutCode"] = input.BreakoutCode;
-  }
-  if (input.DistributorId !== undefined) {
-    bodyParams["distributorId"] = input.DistributorId;
-  }
-  return bodyParams;
+  return {
+    ...(input.BreakoutCode !== undefined && {
+      breakoutCode: input.BreakoutCode
+    }),
+    ...(input.DistributorId !== undefined && {
+      distributorId: input.DistributorId
+    })
+  };
 };
 
 const serializeAws_restJson1_1NoiseReducer = (
   input: NoiseReducer,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Filter !== undefined) {
-    bodyParams["filter"] = input.Filter;
-  }
-  if (input.FilterSettings !== undefined) {
-    bodyParams[
-      "filterSettings"
-    ] = serializeAws_restJson1_1NoiseReducerFilterSettings(
-      input.FilterSettings,
-      context
-    );
-  }
-  if (input.SpatialFilterSettings !== undefined) {
-    bodyParams[
-      "spatialFilterSettings"
-    ] = serializeAws_restJson1_1NoiseReducerSpatialFilterSettings(
-      input.SpatialFilterSettings,
-      context
-    );
-  }
-  if (input.TemporalFilterSettings !== undefined) {
-    bodyParams[
-      "temporalFilterSettings"
-    ] = serializeAws_restJson1_1NoiseReducerTemporalFilterSettings(
-      input.TemporalFilterSettings,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Filter !== undefined && { filter: input.Filter }),
+    ...(input.FilterSettings !== undefined && {
+      filterSettings: serializeAws_restJson1_1NoiseReducerFilterSettings(
+        input.FilterSettings,
+        context
+      )
+    }),
+    ...(input.SpatialFilterSettings !== undefined && {
+      spatialFilterSettings: serializeAws_restJson1_1NoiseReducerSpatialFilterSettings(
+        input.SpatialFilterSettings,
+        context
+      )
+    }),
+    ...(input.TemporalFilterSettings !== undefined && {
+      temporalFilterSettings: serializeAws_restJson1_1NoiseReducerTemporalFilterSettings(
+        input.TemporalFilterSettings,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1NoiseReducerFilterSettings = (
   input: NoiseReducerFilterSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Strength !== undefined) {
-    bodyParams["strength"] = input.Strength;
-  }
-  return bodyParams;
+  return {
+    ...(input.Strength !== undefined && { strength: input.Strength })
+  };
 };
 
 const serializeAws_restJson1_1NoiseReducerSpatialFilterSettings = (
   input: NoiseReducerSpatialFilterSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.PostFilterSharpenStrength !== undefined) {
-    bodyParams["postFilterSharpenStrength"] = input.PostFilterSharpenStrength;
-  }
-  if (input.Speed !== undefined) {
-    bodyParams["speed"] = input.Speed;
-  }
-  if (input.Strength !== undefined) {
-    bodyParams["strength"] = input.Strength;
-  }
-  return bodyParams;
+  return {
+    ...(input.PostFilterSharpenStrength !== undefined && {
+      postFilterSharpenStrength: input.PostFilterSharpenStrength
+    }),
+    ...(input.Speed !== undefined && { speed: input.Speed }),
+    ...(input.Strength !== undefined && { strength: input.Strength })
+  };
 };
 
 const serializeAws_restJson1_1NoiseReducerTemporalFilterSettings = (
   input: NoiseReducerTemporalFilterSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AggressiveMode !== undefined) {
-    bodyParams["aggressiveMode"] = input.AggressiveMode;
-  }
-  if (input.Speed !== undefined) {
-    bodyParams["speed"] = input.Speed;
-  }
-  if (input.Strength !== undefined) {
-    bodyParams["strength"] = input.Strength;
-  }
-  return bodyParams;
+  return {
+    ...(input.AggressiveMode !== undefined && {
+      aggressiveMode: input.AggressiveMode
+    }),
+    ...(input.Speed !== undefined && { speed: input.Speed }),
+    ...(input.Strength !== undefined && { strength: input.Strength })
+  };
 };
 
 const serializeAws_restJson1_1Output = (
   input: Output,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AudioDescriptions !== undefined) {
-    bodyParams[
-      "audioDescriptions"
-    ] = serializeAws_restJson1_1__listOfAudioDescription(
-      input.AudioDescriptions,
-      context
-    );
-  }
-  if (input.CaptionDescriptions !== undefined) {
-    bodyParams[
-      "captionDescriptions"
-    ] = serializeAws_restJson1_1__listOfCaptionDescription(
-      input.CaptionDescriptions,
-      context
-    );
-  }
-  if (input.ContainerSettings !== undefined) {
-    bodyParams["containerSettings"] = serializeAws_restJson1_1ContainerSettings(
-      input.ContainerSettings,
-      context
-    );
-  }
-  if (input.Extension !== undefined) {
-    bodyParams["extension"] = input.Extension;
-  }
-  if (input.NameModifier !== undefined) {
-    bodyParams["nameModifier"] = input.NameModifier;
-  }
-  if (input.OutputSettings !== undefined) {
-    bodyParams["outputSettings"] = serializeAws_restJson1_1OutputSettings(
-      input.OutputSettings,
-      context
-    );
-  }
-  if (input.Preset !== undefined) {
-    bodyParams["preset"] = input.Preset;
-  }
-  if (input.VideoDescription !== undefined) {
-    bodyParams["videoDescription"] = serializeAws_restJson1_1VideoDescription(
-      input.VideoDescription,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.AudioDescriptions !== undefined && {
+      audioDescriptions: serializeAws_restJson1_1__listOfAudioDescription(
+        input.AudioDescriptions,
+        context
+      )
+    }),
+    ...(input.CaptionDescriptions !== undefined && {
+      captionDescriptions: serializeAws_restJson1_1__listOfCaptionDescription(
+        input.CaptionDescriptions,
+        context
+      )
+    }),
+    ...(input.ContainerSettings !== undefined && {
+      containerSettings: serializeAws_restJson1_1ContainerSettings(
+        input.ContainerSettings,
+        context
+      )
+    }),
+    ...(input.Extension !== undefined && { extension: input.Extension }),
+    ...(input.NameModifier !== undefined && {
+      nameModifier: input.NameModifier
+    }),
+    ...(input.OutputSettings !== undefined && {
+      outputSettings: serializeAws_restJson1_1OutputSettings(
+        input.OutputSettings,
+        context
+      )
+    }),
+    ...(input.Preset !== undefined && { preset: input.Preset }),
+    ...(input.VideoDescription !== undefined && {
+      videoDescription: serializeAws_restJson1_1VideoDescription(
+        input.VideoDescription,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1OutputChannelMapping = (
   input: OutputChannelMapping,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.InputChannels !== undefined) {
-    bodyParams[
-      "inputChannels"
-    ] = serializeAws_restJson1_1__listOf__integerMinNegative60Max6(
-      input.InputChannels,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.InputChannels !== undefined && {
+      inputChannels: serializeAws_restJson1_1__listOf__integerMinNegative60Max6(
+        input.InputChannels,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1OutputGroup = (
   input: OutputGroup,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CustomName !== undefined) {
-    bodyParams["customName"] = input.CustomName;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["name"] = input.Name;
-  }
-  if (input.OutputGroupSettings !== undefined) {
-    bodyParams[
-      "outputGroupSettings"
-    ] = serializeAws_restJson1_1OutputGroupSettings(
-      input.OutputGroupSettings,
-      context
-    );
-  }
-  if (input.Outputs !== undefined) {
-    bodyParams["outputs"] = serializeAws_restJson1_1__listOfOutput(
-      input.Outputs,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.CustomName !== undefined && { customName: input.CustomName }),
+    ...(input.Name !== undefined && { name: input.Name }),
+    ...(input.OutputGroupSettings !== undefined && {
+      outputGroupSettings: serializeAws_restJson1_1OutputGroupSettings(
+        input.OutputGroupSettings,
+        context
+      )
+    }),
+    ...(input.Outputs !== undefined && {
+      outputs: serializeAws_restJson1_1__listOfOutput(input.Outputs, context)
+    })
+  };
 };
 
 const serializeAws_restJson1_1OutputGroupSettings = (
   input: OutputGroupSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CmafGroupSettings !== undefined) {
-    bodyParams["cmafGroupSettings"] = serializeAws_restJson1_1CmafGroupSettings(
-      input.CmafGroupSettings,
-      context
-    );
-  }
-  if (input.DashIsoGroupSettings !== undefined) {
-    bodyParams[
-      "dashIsoGroupSettings"
-    ] = serializeAws_restJson1_1DashIsoGroupSettings(
-      input.DashIsoGroupSettings,
-      context
-    );
-  }
-  if (input.FileGroupSettings !== undefined) {
-    bodyParams["fileGroupSettings"] = serializeAws_restJson1_1FileGroupSettings(
-      input.FileGroupSettings,
-      context
-    );
-  }
-  if (input.HlsGroupSettings !== undefined) {
-    bodyParams["hlsGroupSettings"] = serializeAws_restJson1_1HlsGroupSettings(
-      input.HlsGroupSettings,
-      context
-    );
-  }
-  if (input.MsSmoothGroupSettings !== undefined) {
-    bodyParams[
-      "msSmoothGroupSettings"
-    ] = serializeAws_restJson1_1MsSmoothGroupSettings(
-      input.MsSmoothGroupSettings,
-      context
-    );
-  }
-  if (input.Type !== undefined) {
-    bodyParams["type"] = input.Type;
-  }
-  return bodyParams;
+  return {
+    ...(input.CmafGroupSettings !== undefined && {
+      cmafGroupSettings: serializeAws_restJson1_1CmafGroupSettings(
+        input.CmafGroupSettings,
+        context
+      )
+    }),
+    ...(input.DashIsoGroupSettings !== undefined && {
+      dashIsoGroupSettings: serializeAws_restJson1_1DashIsoGroupSettings(
+        input.DashIsoGroupSettings,
+        context
+      )
+    }),
+    ...(input.FileGroupSettings !== undefined && {
+      fileGroupSettings: serializeAws_restJson1_1FileGroupSettings(
+        input.FileGroupSettings,
+        context
+      )
+    }),
+    ...(input.HlsGroupSettings !== undefined && {
+      hlsGroupSettings: serializeAws_restJson1_1HlsGroupSettings(
+        input.HlsGroupSettings,
+        context
+      )
+    }),
+    ...(input.MsSmoothGroupSettings !== undefined && {
+      msSmoothGroupSettings: serializeAws_restJson1_1MsSmoothGroupSettings(
+        input.MsSmoothGroupSettings,
+        context
+      )
+    }),
+    ...(input.Type !== undefined && { type: input.Type })
+  };
 };
 
 const serializeAws_restJson1_1OutputSettings = (
   input: OutputSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.HlsSettings !== undefined) {
-    bodyParams["hlsSettings"] = serializeAws_restJson1_1HlsSettings(
-      input.HlsSettings,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.HlsSettings !== undefined && {
+      hlsSettings: serializeAws_restJson1_1HlsSettings(
+        input.HlsSettings,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1PresetSettings = (
   input: PresetSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AudioDescriptions !== undefined) {
-    bodyParams[
-      "audioDescriptions"
-    ] = serializeAws_restJson1_1__listOfAudioDescription(
-      input.AudioDescriptions,
-      context
-    );
-  }
-  if (input.CaptionDescriptions !== undefined) {
-    bodyParams[
-      "captionDescriptions"
-    ] = serializeAws_restJson1_1__listOfCaptionDescriptionPreset(
-      input.CaptionDescriptions,
-      context
-    );
-  }
-  if (input.ContainerSettings !== undefined) {
-    bodyParams["containerSettings"] = serializeAws_restJson1_1ContainerSettings(
-      input.ContainerSettings,
-      context
-    );
-  }
-  if (input.VideoDescription !== undefined) {
-    bodyParams["videoDescription"] = serializeAws_restJson1_1VideoDescription(
-      input.VideoDescription,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.AudioDescriptions !== undefined && {
+      audioDescriptions: serializeAws_restJson1_1__listOfAudioDescription(
+        input.AudioDescriptions,
+        context
+      )
+    }),
+    ...(input.CaptionDescriptions !== undefined && {
+      captionDescriptions: serializeAws_restJson1_1__listOfCaptionDescriptionPreset(
+        input.CaptionDescriptions,
+        context
+      )
+    }),
+    ...(input.ContainerSettings !== undefined && {
+      containerSettings: serializeAws_restJson1_1ContainerSettings(
+        input.ContainerSettings,
+        context
+      )
+    }),
+    ...(input.VideoDescription !== undefined && {
+      videoDescription: serializeAws_restJson1_1VideoDescription(
+        input.VideoDescription,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1ProresSettings = (
   input: ProresSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CodecProfile !== undefined) {
-    bodyParams["codecProfile"] = input.CodecProfile;
-  }
-  if (input.FramerateControl !== undefined) {
-    bodyParams["framerateControl"] = input.FramerateControl;
-  }
-  if (input.FramerateConversionAlgorithm !== undefined) {
-    bodyParams["framerateConversionAlgorithm"] =
-      input.FramerateConversionAlgorithm;
-  }
-  if (input.FramerateDenominator !== undefined) {
-    bodyParams["framerateDenominator"] = input.FramerateDenominator;
-  }
-  if (input.FramerateNumerator !== undefined) {
-    bodyParams["framerateNumerator"] = input.FramerateNumerator;
-  }
-  if (input.InterlaceMode !== undefined) {
-    bodyParams["interlaceMode"] = input.InterlaceMode;
-  }
-  if (input.ParControl !== undefined) {
-    bodyParams["parControl"] = input.ParControl;
-  }
-  if (input.ParDenominator !== undefined) {
-    bodyParams["parDenominator"] = input.ParDenominator;
-  }
-  if (input.ParNumerator !== undefined) {
-    bodyParams["parNumerator"] = input.ParNumerator;
-  }
-  if (input.SlowPal !== undefined) {
-    bodyParams["slowPal"] = input.SlowPal;
-  }
-  if (input.Telecine !== undefined) {
-    bodyParams["telecine"] = input.Telecine;
-  }
-  return bodyParams;
+  return {
+    ...(input.CodecProfile !== undefined && {
+      codecProfile: input.CodecProfile
+    }),
+    ...(input.FramerateControl !== undefined && {
+      framerateControl: input.FramerateControl
+    }),
+    ...(input.FramerateConversionAlgorithm !== undefined && {
+      framerateConversionAlgorithm: input.FramerateConversionAlgorithm
+    }),
+    ...(input.FramerateDenominator !== undefined && {
+      framerateDenominator: input.FramerateDenominator
+    }),
+    ...(input.FramerateNumerator !== undefined && {
+      framerateNumerator: input.FramerateNumerator
+    }),
+    ...(input.InterlaceMode !== undefined && {
+      interlaceMode: input.InterlaceMode
+    }),
+    ...(input.ParControl !== undefined && { parControl: input.ParControl }),
+    ...(input.ParDenominator !== undefined && {
+      parDenominator: input.ParDenominator
+    }),
+    ...(input.ParNumerator !== undefined && {
+      parNumerator: input.ParNumerator
+    }),
+    ...(input.SlowPal !== undefined && { slowPal: input.SlowPal }),
+    ...(input.Telecine !== undefined && { telecine: input.Telecine })
+  };
 };
 
 const serializeAws_restJson1_1Rectangle = (
   input: Rectangle,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Height !== undefined) {
-    bodyParams["height"] = input.Height;
-  }
-  if (input.Width !== undefined) {
-    bodyParams["width"] = input.Width;
-  }
-  if (input.X !== undefined) {
-    bodyParams["x"] = input.X;
-  }
-  if (input.Y !== undefined) {
-    bodyParams["y"] = input.Y;
-  }
-  return bodyParams;
+  return {
+    ...(input.Height !== undefined && { height: input.Height }),
+    ...(input.Width !== undefined && { width: input.Width }),
+    ...(input.X !== undefined && { x: input.X }),
+    ...(input.Y !== undefined && { y: input.Y })
+  };
 };
 
 const serializeAws_restJson1_1RemixSettings = (
   input: RemixSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ChannelMapping !== undefined) {
-    bodyParams["channelMapping"] = serializeAws_restJson1_1ChannelMapping(
-      input.ChannelMapping,
-      context
-    );
-  }
-  if (input.ChannelsIn !== undefined) {
-    bodyParams["channelsIn"] = input.ChannelsIn;
-  }
-  if (input.ChannelsOut !== undefined) {
-    bodyParams["channelsOut"] = input.ChannelsOut;
-  }
-  return bodyParams;
+  return {
+    ...(input.ChannelMapping !== undefined && {
+      channelMapping: serializeAws_restJson1_1ChannelMapping(
+        input.ChannelMapping,
+        context
+      )
+    }),
+    ...(input.ChannelsIn !== undefined && { channelsIn: input.ChannelsIn }),
+    ...(input.ChannelsOut !== undefined && { channelsOut: input.ChannelsOut })
+  };
 };
 
 const serializeAws_restJson1_1ReservationPlanSettings = (
   input: ReservationPlanSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Commitment !== undefined) {
-    bodyParams["commitment"] = input.Commitment;
-  }
-  if (input.RenewalType !== undefined) {
-    bodyParams["renewalType"] = input.RenewalType;
-  }
-  if (input.ReservedSlots !== undefined) {
-    bodyParams["reservedSlots"] = input.ReservedSlots;
-  }
-  return bodyParams;
+  return {
+    ...(input.Commitment !== undefined && { commitment: input.Commitment }),
+    ...(input.RenewalType !== undefined && { renewalType: input.RenewalType }),
+    ...(input.ReservedSlots !== undefined && {
+      reservedSlots: input.ReservedSlots
+    })
+  };
 };
 
 const serializeAws_restJson1_1S3DestinationAccessControl = (
   input: S3DestinationAccessControl,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CannedAcl !== undefined) {
-    bodyParams["cannedAcl"] = input.CannedAcl;
-  }
-  return bodyParams;
+  return {
+    ...(input.CannedAcl !== undefined && { cannedAcl: input.CannedAcl })
+  };
 };
 
 const serializeAws_restJson1_1S3DestinationSettings = (
   input: S3DestinationSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AccessControl !== undefined) {
-    bodyParams[
-      "accessControl"
-    ] = serializeAws_restJson1_1S3DestinationAccessControl(
-      input.AccessControl,
-      context
-    );
-  }
-  if (input.Encryption !== undefined) {
-    bodyParams["encryption"] = serializeAws_restJson1_1S3EncryptionSettings(
-      input.Encryption,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.AccessControl !== undefined && {
+      accessControl: serializeAws_restJson1_1S3DestinationAccessControl(
+        input.AccessControl,
+        context
+      )
+    }),
+    ...(input.Encryption !== undefined && {
+      encryption: serializeAws_restJson1_1S3EncryptionSettings(
+        input.Encryption,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1S3EncryptionSettings = (
   input: S3EncryptionSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EncryptionType !== undefined) {
-    bodyParams["encryptionType"] = input.EncryptionType;
-  }
-  if (input.KmsKeyArn !== undefined) {
-    bodyParams["kmsKeyArn"] = input.KmsKeyArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.EncryptionType !== undefined && {
+      encryptionType: input.EncryptionType
+    }),
+    ...(input.KmsKeyArn !== undefined && { kmsKeyArn: input.KmsKeyArn })
+  };
 };
 
 const serializeAws_restJson1_1SccDestinationSettings = (
   input: SccDestinationSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Framerate !== undefined) {
-    bodyParams["framerate"] = input.Framerate;
-  }
-  return bodyParams;
+  return {
+    ...(input.Framerate !== undefined && { framerate: input.Framerate })
+  };
 };
 
 const serializeAws_restJson1_1SpekeKeyProvider = (
   input: SpekeKeyProvider,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CertificateArn !== undefined) {
-    bodyParams["certificateArn"] = input.CertificateArn;
-  }
-  if (input.ResourceId !== undefined) {
-    bodyParams["resourceId"] = input.ResourceId;
-  }
-  if (input.SystemIds !== undefined) {
-    bodyParams[
-      "systemIds"
-    ] = serializeAws_restJson1_1__listOf__stringPattern09aFAF809aFAF409aFAF409aFAF409aFAF12(
-      input.SystemIds,
-      context
-    );
-  }
-  if (input.Url !== undefined) {
-    bodyParams["url"] = input.Url;
-  }
-  return bodyParams;
+  return {
+    ...(input.CertificateArn !== undefined && {
+      certificateArn: input.CertificateArn
+    }),
+    ...(input.ResourceId !== undefined && { resourceId: input.ResourceId }),
+    ...(input.SystemIds !== undefined && {
+      systemIds: serializeAws_restJson1_1__listOf__stringPattern09aFAF809aFAF409aFAF409aFAF409aFAF12(
+        input.SystemIds,
+        context
+      )
+    }),
+    ...(input.Url !== undefined && { url: input.Url })
+  };
 };
 
 const serializeAws_restJson1_1SpekeKeyProviderCmaf = (
   input: SpekeKeyProviderCmaf,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CertificateArn !== undefined) {
-    bodyParams["certificateArn"] = input.CertificateArn;
-  }
-  if (input.DashSignaledSystemIds !== undefined) {
-    bodyParams[
-      "dashSignaledSystemIds"
-    ] = serializeAws_restJson1_1__listOf__stringMin36Max36Pattern09aFAF809aFAF409aFAF409aFAF409aFAF12(
-      input.DashSignaledSystemIds,
-      context
-    );
-  }
-  if (input.HlsSignaledSystemIds !== undefined) {
-    bodyParams[
-      "hlsSignaledSystemIds"
-    ] = serializeAws_restJson1_1__listOf__stringMin36Max36Pattern09aFAF809aFAF409aFAF409aFAF409aFAF12(
-      input.HlsSignaledSystemIds,
-      context
-    );
-  }
-  if (input.ResourceId !== undefined) {
-    bodyParams["resourceId"] = input.ResourceId;
-  }
-  if (input.Url !== undefined) {
-    bodyParams["url"] = input.Url;
-  }
-  return bodyParams;
+  return {
+    ...(input.CertificateArn !== undefined && {
+      certificateArn: input.CertificateArn
+    }),
+    ...(input.DashSignaledSystemIds !== undefined && {
+      dashSignaledSystemIds: serializeAws_restJson1_1__listOf__stringMin36Max36Pattern09aFAF809aFAF409aFAF409aFAF409aFAF12(
+        input.DashSignaledSystemIds,
+        context
+      )
+    }),
+    ...(input.HlsSignaledSystemIds !== undefined && {
+      hlsSignaledSystemIds: serializeAws_restJson1_1__listOf__stringMin36Max36Pattern09aFAF809aFAF409aFAF409aFAF409aFAF12(
+        input.HlsSignaledSystemIds,
+        context
+      )
+    }),
+    ...(input.ResourceId !== undefined && { resourceId: input.ResourceId }),
+    ...(input.Url !== undefined && { url: input.Url })
+  };
 };
 
 const serializeAws_restJson1_1StaticKeyProvider = (
   input: StaticKeyProvider,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.KeyFormat !== undefined) {
-    bodyParams["keyFormat"] = input.KeyFormat;
-  }
-  if (input.KeyFormatVersions !== undefined) {
-    bodyParams["keyFormatVersions"] = input.KeyFormatVersions;
-  }
-  if (input.StaticKeyValue !== undefined) {
-    bodyParams["staticKeyValue"] = input.StaticKeyValue;
-  }
-  if (input.Url !== undefined) {
-    bodyParams["url"] = input.Url;
-  }
-  return bodyParams;
+  return {
+    ...(input.KeyFormat !== undefined && { keyFormat: input.KeyFormat }),
+    ...(input.KeyFormatVersions !== undefined && {
+      keyFormatVersions: input.KeyFormatVersions
+    }),
+    ...(input.StaticKeyValue !== undefined && {
+      staticKeyValue: input.StaticKeyValue
+    }),
+    ...(input.Url !== undefined && { url: input.Url })
+  };
 };
 
 const serializeAws_restJson1_1TeletextDestinationSettings = (
   input: TeletextDestinationSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.PageNumber !== undefined) {
-    bodyParams["pageNumber"] = input.PageNumber;
-  }
-  if (input.PageTypes !== undefined) {
-    bodyParams["pageTypes"] = serializeAws_restJson1_1__listOfTeletextPageType(
-      input.PageTypes,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.PageNumber !== undefined && { pageNumber: input.PageNumber }),
+    ...(input.PageTypes !== undefined && {
+      pageTypes: serializeAws_restJson1_1__listOfTeletextPageType(
+        input.PageTypes,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1TeletextSourceSettings = (
   input: TeletextSourceSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.PageNumber !== undefined) {
-    bodyParams["pageNumber"] = input.PageNumber;
-  }
-  return bodyParams;
+  return {
+    ...(input.PageNumber !== undefined && { pageNumber: input.PageNumber })
+  };
 };
 
 const serializeAws_restJson1_1TimecodeBurnin = (
   input: TimecodeBurnin,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.FontSize !== undefined) {
-    bodyParams["fontSize"] = input.FontSize;
-  }
-  if (input.Position !== undefined) {
-    bodyParams["position"] = input.Position;
-  }
-  if (input.Prefix !== undefined) {
-    bodyParams["prefix"] = input.Prefix;
-  }
-  return bodyParams;
+  return {
+    ...(input.FontSize !== undefined && { fontSize: input.FontSize }),
+    ...(input.Position !== undefined && { position: input.Position }),
+    ...(input.Prefix !== undefined && { prefix: input.Prefix })
+  };
 };
 
 const serializeAws_restJson1_1TimecodeConfig = (
   input: TimecodeConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Anchor !== undefined) {
-    bodyParams["anchor"] = input.Anchor;
-  }
-  if (input.Source !== undefined) {
-    bodyParams["source"] = input.Source;
-  }
-  if (input.Start !== undefined) {
-    bodyParams["start"] = input.Start;
-  }
-  if (input.TimestampOffset !== undefined) {
-    bodyParams["timestampOffset"] = input.TimestampOffset;
-  }
-  return bodyParams;
+  return {
+    ...(input.Anchor !== undefined && { anchor: input.Anchor }),
+    ...(input.Source !== undefined && { source: input.Source }),
+    ...(input.Start !== undefined && { start: input.Start }),
+    ...(input.TimestampOffset !== undefined && {
+      timestampOffset: input.TimestampOffset
+    })
+  };
 };
 
 const serializeAws_restJson1_1TimedMetadataInsertion = (
   input: TimedMetadataInsertion,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Id3Insertions !== undefined) {
-    bodyParams["id3Insertions"] = serializeAws_restJson1_1__listOfId3Insertion(
-      input.Id3Insertions,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Id3Insertions !== undefined && {
+      id3Insertions: serializeAws_restJson1_1__listOfId3Insertion(
+        input.Id3Insertions,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1TrackSourceSettings = (
   input: TrackSourceSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.TrackNumber !== undefined) {
-    bodyParams["trackNumber"] = input.TrackNumber;
-  }
-  return bodyParams;
+  return {
+    ...(input.TrackNumber !== undefined && { trackNumber: input.TrackNumber })
+  };
 };
 
 const serializeAws_restJson1_1TtmlDestinationSettings = (
   input: TtmlDestinationSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.StylePassthrough !== undefined) {
-    bodyParams["stylePassthrough"] = input.StylePassthrough;
-  }
-  return bodyParams;
+  return {
+    ...(input.StylePassthrough !== undefined && {
+      stylePassthrough: input.StylePassthrough
+    })
+  };
 };
 
 const serializeAws_restJson1_1VideoCodecSettings = (
   input: VideoCodecSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Codec !== undefined) {
-    bodyParams["codec"] = input.Codec;
-  }
-  if (input.FrameCaptureSettings !== undefined) {
-    bodyParams[
-      "frameCaptureSettings"
-    ] = serializeAws_restJson1_1FrameCaptureSettings(
-      input.FrameCaptureSettings,
-      context
-    );
-  }
-  if (input.H264Settings !== undefined) {
-    bodyParams["h264Settings"] = serializeAws_restJson1_1H264Settings(
-      input.H264Settings,
-      context
-    );
-  }
-  if (input.H265Settings !== undefined) {
-    bodyParams["h265Settings"] = serializeAws_restJson1_1H265Settings(
-      input.H265Settings,
-      context
-    );
-  }
-  if (input.Mpeg2Settings !== undefined) {
-    bodyParams["mpeg2Settings"] = serializeAws_restJson1_1Mpeg2Settings(
-      input.Mpeg2Settings,
-      context
-    );
-  }
-  if (input.ProresSettings !== undefined) {
-    bodyParams["proresSettings"] = serializeAws_restJson1_1ProresSettings(
-      input.ProresSettings,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Codec !== undefined && { codec: input.Codec }),
+    ...(input.FrameCaptureSettings !== undefined && {
+      frameCaptureSettings: serializeAws_restJson1_1FrameCaptureSettings(
+        input.FrameCaptureSettings,
+        context
+      )
+    }),
+    ...(input.H264Settings !== undefined && {
+      h264Settings: serializeAws_restJson1_1H264Settings(
+        input.H264Settings,
+        context
+      )
+    }),
+    ...(input.H265Settings !== undefined && {
+      h265Settings: serializeAws_restJson1_1H265Settings(
+        input.H265Settings,
+        context
+      )
+    }),
+    ...(input.Mpeg2Settings !== undefined && {
+      mpeg2Settings: serializeAws_restJson1_1Mpeg2Settings(
+        input.Mpeg2Settings,
+        context
+      )
+    }),
+    ...(input.ProresSettings !== undefined && {
+      proresSettings: serializeAws_restJson1_1ProresSettings(
+        input.ProresSettings,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1VideoDescription = (
   input: VideoDescription,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AfdSignaling !== undefined) {
-    bodyParams["afdSignaling"] = input.AfdSignaling;
-  }
-  if (input.AntiAlias !== undefined) {
-    bodyParams["antiAlias"] = input.AntiAlias;
-  }
-  if (input.CodecSettings !== undefined) {
-    bodyParams["codecSettings"] = serializeAws_restJson1_1VideoCodecSettings(
-      input.CodecSettings,
-      context
-    );
-  }
-  if (input.ColorMetadata !== undefined) {
-    bodyParams["colorMetadata"] = input.ColorMetadata;
-  }
-  if (input.Crop !== undefined) {
-    bodyParams["crop"] = serializeAws_restJson1_1Rectangle(input.Crop, context);
-  }
-  if (input.DropFrameTimecode !== undefined) {
-    bodyParams["dropFrameTimecode"] = input.DropFrameTimecode;
-  }
-  if (input.FixedAfd !== undefined) {
-    bodyParams["fixedAfd"] = input.FixedAfd;
-  }
-  if (input.Height !== undefined) {
-    bodyParams["height"] = input.Height;
-  }
-  if (input.Position !== undefined) {
-    bodyParams["position"] = serializeAws_restJson1_1Rectangle(
-      input.Position,
-      context
-    );
-  }
-  if (input.RespondToAfd !== undefined) {
-    bodyParams["respondToAfd"] = input.RespondToAfd;
-  }
-  if (input.ScalingBehavior !== undefined) {
-    bodyParams["scalingBehavior"] = input.ScalingBehavior;
-  }
-  if (input.Sharpness !== undefined) {
-    bodyParams["sharpness"] = input.Sharpness;
-  }
-  if (input.TimecodeInsertion !== undefined) {
-    bodyParams["timecodeInsertion"] = input.TimecodeInsertion;
-  }
-  if (input.VideoPreprocessors !== undefined) {
-    bodyParams[
-      "videoPreprocessors"
-    ] = serializeAws_restJson1_1VideoPreprocessor(
-      input.VideoPreprocessors,
-      context
-    );
-  }
-  if (input.Width !== undefined) {
-    bodyParams["width"] = input.Width;
-  }
-  return bodyParams;
+  return {
+    ...(input.AfdSignaling !== undefined && {
+      afdSignaling: input.AfdSignaling
+    }),
+    ...(input.AntiAlias !== undefined && { antiAlias: input.AntiAlias }),
+    ...(input.CodecSettings !== undefined && {
+      codecSettings: serializeAws_restJson1_1VideoCodecSettings(
+        input.CodecSettings,
+        context
+      )
+    }),
+    ...(input.ColorMetadata !== undefined && {
+      colorMetadata: input.ColorMetadata
+    }),
+    ...(input.Crop !== undefined && {
+      crop: serializeAws_restJson1_1Rectangle(input.Crop, context)
+    }),
+    ...(input.DropFrameTimecode !== undefined && {
+      dropFrameTimecode: input.DropFrameTimecode
+    }),
+    ...(input.FixedAfd !== undefined && { fixedAfd: input.FixedAfd }),
+    ...(input.Height !== undefined && { height: input.Height }),
+    ...(input.Position !== undefined && {
+      position: serializeAws_restJson1_1Rectangle(input.Position, context)
+    }),
+    ...(input.RespondToAfd !== undefined && {
+      respondToAfd: input.RespondToAfd
+    }),
+    ...(input.ScalingBehavior !== undefined && {
+      scalingBehavior: input.ScalingBehavior
+    }),
+    ...(input.Sharpness !== undefined && { sharpness: input.Sharpness }),
+    ...(input.TimecodeInsertion !== undefined && {
+      timecodeInsertion: input.TimecodeInsertion
+    }),
+    ...(input.VideoPreprocessors !== undefined && {
+      videoPreprocessors: serializeAws_restJson1_1VideoPreprocessor(
+        input.VideoPreprocessors,
+        context
+      )
+    }),
+    ...(input.Width !== undefined && { width: input.Width })
+  };
 };
 
 const serializeAws_restJson1_1VideoPreprocessor = (
   input: VideoPreprocessor,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ColorCorrector !== undefined) {
-    bodyParams["colorCorrector"] = serializeAws_restJson1_1ColorCorrector(
-      input.ColorCorrector,
-      context
-    );
-  }
-  if (input.Deinterlacer !== undefined) {
-    bodyParams["deinterlacer"] = serializeAws_restJson1_1Deinterlacer(
-      input.Deinterlacer,
-      context
-    );
-  }
-  if (input.DolbyVision !== undefined) {
-    bodyParams["dolbyVision"] = serializeAws_restJson1_1DolbyVision(
-      input.DolbyVision,
-      context
-    );
-  }
-  if (input.ImageInserter !== undefined) {
-    bodyParams["imageInserter"] = serializeAws_restJson1_1ImageInserter(
-      input.ImageInserter,
-      context
-    );
-  }
-  if (input.NoiseReducer !== undefined) {
-    bodyParams["noiseReducer"] = serializeAws_restJson1_1NoiseReducer(
-      input.NoiseReducer,
-      context
-    );
-  }
-  if (input.TimecodeBurnin !== undefined) {
-    bodyParams["timecodeBurnin"] = serializeAws_restJson1_1TimecodeBurnin(
-      input.TimecodeBurnin,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ColorCorrector !== undefined && {
+      colorCorrector: serializeAws_restJson1_1ColorCorrector(
+        input.ColorCorrector,
+        context
+      )
+    }),
+    ...(input.Deinterlacer !== undefined && {
+      deinterlacer: serializeAws_restJson1_1Deinterlacer(
+        input.Deinterlacer,
+        context
+      )
+    }),
+    ...(input.DolbyVision !== undefined && {
+      dolbyVision: serializeAws_restJson1_1DolbyVision(
+        input.DolbyVision,
+        context
+      )
+    }),
+    ...(input.ImageInserter !== undefined && {
+      imageInserter: serializeAws_restJson1_1ImageInserter(
+        input.ImageInserter,
+        context
+      )
+    }),
+    ...(input.NoiseReducer !== undefined && {
+      noiseReducer: serializeAws_restJson1_1NoiseReducer(
+        input.NoiseReducer,
+        context
+      )
+    }),
+    ...(input.TimecodeBurnin !== undefined && {
+      timecodeBurnin: serializeAws_restJson1_1TimecodeBurnin(
+        input.TimecodeBurnin,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1VideoSelector = (
   input: VideoSelector,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AlphaBehavior !== undefined) {
-    bodyParams["alphaBehavior"] = input.AlphaBehavior;
-  }
-  if (input.ColorSpace !== undefined) {
-    bodyParams["colorSpace"] = input.ColorSpace;
-  }
-  if (input.ColorSpaceUsage !== undefined) {
-    bodyParams["colorSpaceUsage"] = input.ColorSpaceUsage;
-  }
-  if (input.Hdr10Metadata !== undefined) {
-    bodyParams["hdr10Metadata"] = serializeAws_restJson1_1Hdr10Metadata(
-      input.Hdr10Metadata,
-      context
-    );
-  }
-  if (input.Pid !== undefined) {
-    bodyParams["pid"] = input.Pid;
-  }
-  if (input.ProgramNumber !== undefined) {
-    bodyParams["programNumber"] = input.ProgramNumber;
-  }
-  if (input.Rotate !== undefined) {
-    bodyParams["rotate"] = input.Rotate;
-  }
-  return bodyParams;
+  return {
+    ...(input.AlphaBehavior !== undefined && {
+      alphaBehavior: input.AlphaBehavior
+    }),
+    ...(input.ColorSpace !== undefined && { colorSpace: input.ColorSpace }),
+    ...(input.ColorSpaceUsage !== undefined && {
+      colorSpaceUsage: input.ColorSpaceUsage
+    }),
+    ...(input.Hdr10Metadata !== undefined && {
+      hdr10Metadata: serializeAws_restJson1_1Hdr10Metadata(
+        input.Hdr10Metadata,
+        context
+      )
+    }),
+    ...(input.Pid !== undefined && { pid: input.Pid }),
+    ...(input.ProgramNumber !== undefined && {
+      programNumber: input.ProgramNumber
+    }),
+    ...(input.Rotate !== undefined && { rotate: input.Rotate })
+  };
 };
 
 const serializeAws_restJson1_1WavSettings = (
   input: WavSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.BitDepth !== undefined) {
-    bodyParams["bitDepth"] = input.BitDepth;
-  }
-  if (input.Channels !== undefined) {
-    bodyParams["channels"] = input.Channels;
-  }
-  if (input.Format !== undefined) {
-    bodyParams["format"] = input.Format;
-  }
-  if (input.SampleRate !== undefined) {
-    bodyParams["sampleRate"] = input.SampleRate;
-  }
-  return bodyParams;
+  return {
+    ...(input.BitDepth !== undefined && { bitDepth: input.BitDepth }),
+    ...(input.Channels !== undefined && { channels: input.Channels }),
+    ...(input.Format !== undefined && { format: input.Format }),
+    ...(input.SampleRate !== undefined && { sampleRate: input.SampleRate })
+  };
 };
 
 const serializeAws_restJson1_1__listOfAudioDescription = (
diff --git a/clients/client-medialive/protocols/Aws_restJson1_1.ts b/clients/client-medialive/protocols/Aws_restJson1_1.ts
index 64976e00b66a..913472c8c5a7 100644
--- a/clients/client-medialive/protocols/Aws_restJson1_1.ts
+++ b/clients/client-medialive/protocols/Aws_restJson1_1.ts
@@ -8779,3527 +8779,2927 @@ const serializeAws_restJson1_1AacSettings = (
   input: AacSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Bitrate !== undefined) {
-    bodyParams["bitrate"] = input.Bitrate;
-  }
-  if (input.CodingMode !== undefined) {
-    bodyParams["codingMode"] = input.CodingMode;
-  }
-  if (input.InputType !== undefined) {
-    bodyParams["inputType"] = input.InputType;
-  }
-  if (input.Profile !== undefined) {
-    bodyParams["profile"] = input.Profile;
-  }
-  if (input.RateControlMode !== undefined) {
-    bodyParams["rateControlMode"] = input.RateControlMode;
-  }
-  if (input.RawFormat !== undefined) {
-    bodyParams["rawFormat"] = input.RawFormat;
-  }
-  if (input.SampleRate !== undefined) {
-    bodyParams["sampleRate"] = input.SampleRate;
-  }
-  if (input.Spec !== undefined) {
-    bodyParams["spec"] = input.Spec;
-  }
-  if (input.VbrQuality !== undefined) {
-    bodyParams["vbrQuality"] = input.VbrQuality;
-  }
-  return bodyParams;
+  return {
+    ...(input.Bitrate !== undefined && { bitrate: input.Bitrate }),
+    ...(input.CodingMode !== undefined && { codingMode: input.CodingMode }),
+    ...(input.InputType !== undefined && { inputType: input.InputType }),
+    ...(input.Profile !== undefined && { profile: input.Profile }),
+    ...(input.RateControlMode !== undefined && {
+      rateControlMode: input.RateControlMode
+    }),
+    ...(input.RawFormat !== undefined && { rawFormat: input.RawFormat }),
+    ...(input.SampleRate !== undefined && { sampleRate: input.SampleRate }),
+    ...(input.Spec !== undefined && { spec: input.Spec }),
+    ...(input.VbrQuality !== undefined && { vbrQuality: input.VbrQuality })
+  };
 };
 
 const serializeAws_restJson1_1Ac3Settings = (
   input: Ac3Settings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Bitrate !== undefined) {
-    bodyParams["bitrate"] = input.Bitrate;
-  }
-  if (input.BitstreamMode !== undefined) {
-    bodyParams["bitstreamMode"] = input.BitstreamMode;
-  }
-  if (input.CodingMode !== undefined) {
-    bodyParams["codingMode"] = input.CodingMode;
-  }
-  if (input.Dialnorm !== undefined) {
-    bodyParams["dialnorm"] = input.Dialnorm;
-  }
-  if (input.DrcProfile !== undefined) {
-    bodyParams["drcProfile"] = input.DrcProfile;
-  }
-  if (input.LfeFilter !== undefined) {
-    bodyParams["lfeFilter"] = input.LfeFilter;
-  }
-  if (input.MetadataControl !== undefined) {
-    bodyParams["metadataControl"] = input.MetadataControl;
-  }
-  return bodyParams;
+  return {
+    ...(input.Bitrate !== undefined && { bitrate: input.Bitrate }),
+    ...(input.BitstreamMode !== undefined && {
+      bitstreamMode: input.BitstreamMode
+    }),
+    ...(input.CodingMode !== undefined && { codingMode: input.CodingMode }),
+    ...(input.Dialnorm !== undefined && { dialnorm: input.Dialnorm }),
+    ...(input.DrcProfile !== undefined && { drcProfile: input.DrcProfile }),
+    ...(input.LfeFilter !== undefined && { lfeFilter: input.LfeFilter }),
+    ...(input.MetadataControl !== undefined && {
+      metadataControl: input.MetadataControl
+    })
+  };
 };
 
 const serializeAws_restJson1_1ArchiveContainerSettings = (
   input: ArchiveContainerSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.M2tsSettings !== undefined) {
-    bodyParams["m2tsSettings"] = serializeAws_restJson1_1M2tsSettings(
-      input.M2tsSettings,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.M2tsSettings !== undefined && {
+      m2tsSettings: serializeAws_restJson1_1M2tsSettings(
+        input.M2tsSettings,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1ArchiveGroupSettings = (
   input: ArchiveGroupSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Destination !== undefined) {
-    bodyParams["destination"] = serializeAws_restJson1_1OutputLocationRef(
-      input.Destination,
-      context
-    );
-  }
-  if (input.RolloverInterval !== undefined) {
-    bodyParams["rolloverInterval"] = input.RolloverInterval;
-  }
-  return bodyParams;
+  return {
+    ...(input.Destination !== undefined && {
+      destination: serializeAws_restJson1_1OutputLocationRef(
+        input.Destination,
+        context
+      )
+    }),
+    ...(input.RolloverInterval !== undefined && {
+      rolloverInterval: input.RolloverInterval
+    })
+  };
 };
 
 const serializeAws_restJson1_1ArchiveOutputSettings = (
   input: ArchiveOutputSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ContainerSettings !== undefined) {
-    bodyParams[
-      "containerSettings"
-    ] = serializeAws_restJson1_1ArchiveContainerSettings(
-      input.ContainerSettings,
-      context
-    );
-  }
-  if (input.Extension !== undefined) {
-    bodyParams["extension"] = input.Extension;
-  }
-  if (input.NameModifier !== undefined) {
-    bodyParams["nameModifier"] = input.NameModifier;
-  }
-  return bodyParams;
+  return {
+    ...(input.ContainerSettings !== undefined && {
+      containerSettings: serializeAws_restJson1_1ArchiveContainerSettings(
+        input.ContainerSettings,
+        context
+      )
+    }),
+    ...(input.Extension !== undefined && { extension: input.Extension }),
+    ...(input.NameModifier !== undefined && {
+      nameModifier: input.NameModifier
+    })
+  };
 };
 
 const serializeAws_restJson1_1AribDestinationSettings = (
   input: AribDestinationSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  return bodyParams;
+  return {};
 };
 
 const serializeAws_restJson1_1AribSourceSettings = (
   input: AribSourceSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  return bodyParams;
+  return {};
 };
 
 const serializeAws_restJson1_1AudioChannelMapping = (
   input: AudioChannelMapping,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.InputChannelLevels !== undefined) {
-    bodyParams[
-      "inputChannelLevels"
-    ] = serializeAws_restJson1_1__listOfInputChannelLevel(
-      input.InputChannelLevels,
-      context
-    );
-  }
-  if (input.OutputChannel !== undefined) {
-    bodyParams["outputChannel"] = input.OutputChannel;
-  }
-  return bodyParams;
+  return {
+    ...(input.InputChannelLevels !== undefined && {
+      inputChannelLevels: serializeAws_restJson1_1__listOfInputChannelLevel(
+        input.InputChannelLevels,
+        context
+      )
+    }),
+    ...(input.OutputChannel !== undefined && {
+      outputChannel: input.OutputChannel
+    })
+  };
 };
 
 const serializeAws_restJson1_1AudioCodecSettings = (
   input: AudioCodecSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AacSettings !== undefined) {
-    bodyParams["aacSettings"] = serializeAws_restJson1_1AacSettings(
-      input.AacSettings,
-      context
-    );
-  }
-  if (input.Ac3Settings !== undefined) {
-    bodyParams["ac3Settings"] = serializeAws_restJson1_1Ac3Settings(
-      input.Ac3Settings,
-      context
-    );
-  }
-  if (input.Eac3Settings !== undefined) {
-    bodyParams["eac3Settings"] = serializeAws_restJson1_1Eac3Settings(
-      input.Eac3Settings,
-      context
-    );
-  }
-  if (input.Mp2Settings !== undefined) {
-    bodyParams["mp2Settings"] = serializeAws_restJson1_1Mp2Settings(
-      input.Mp2Settings,
-      context
-    );
-  }
-  if (input.PassThroughSettings !== undefined) {
-    bodyParams[
-      "passThroughSettings"
-    ] = serializeAws_restJson1_1PassThroughSettings(
-      input.PassThroughSettings,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.AacSettings !== undefined && {
+      aacSettings: serializeAws_restJson1_1AacSettings(
+        input.AacSettings,
+        context
+      )
+    }),
+    ...(input.Ac3Settings !== undefined && {
+      ac3Settings: serializeAws_restJson1_1Ac3Settings(
+        input.Ac3Settings,
+        context
+      )
+    }),
+    ...(input.Eac3Settings !== undefined && {
+      eac3Settings: serializeAws_restJson1_1Eac3Settings(
+        input.Eac3Settings,
+        context
+      )
+    }),
+    ...(input.Mp2Settings !== undefined && {
+      mp2Settings: serializeAws_restJson1_1Mp2Settings(
+        input.Mp2Settings,
+        context
+      )
+    }),
+    ...(input.PassThroughSettings !== undefined && {
+      passThroughSettings: serializeAws_restJson1_1PassThroughSettings(
+        input.PassThroughSettings,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1AudioDescription = (
   input: AudioDescription,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AudioNormalizationSettings !== undefined) {
-    bodyParams[
-      "audioNormalizationSettings"
-    ] = serializeAws_restJson1_1AudioNormalizationSettings(
-      input.AudioNormalizationSettings,
-      context
-    );
-  }
-  if (input.AudioSelectorName !== undefined) {
-    bodyParams["audioSelectorName"] = input.AudioSelectorName;
-  }
-  if (input.AudioType !== undefined) {
-    bodyParams["audioType"] = input.AudioType;
-  }
-  if (input.AudioTypeControl !== undefined) {
-    bodyParams["audioTypeControl"] = input.AudioTypeControl;
-  }
-  if (input.CodecSettings !== undefined) {
-    bodyParams["codecSettings"] = serializeAws_restJson1_1AudioCodecSettings(
-      input.CodecSettings,
-      context
-    );
-  }
-  if (input.LanguageCode !== undefined) {
-    bodyParams["languageCode"] = input.LanguageCode;
-  }
-  if (input.LanguageCodeControl !== undefined) {
-    bodyParams["languageCodeControl"] = input.LanguageCodeControl;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["name"] = input.Name;
-  }
-  if (input.RemixSettings !== undefined) {
-    bodyParams["remixSettings"] = serializeAws_restJson1_1RemixSettings(
-      input.RemixSettings,
-      context
-    );
-  }
-  if (input.StreamName !== undefined) {
-    bodyParams["streamName"] = input.StreamName;
-  }
-  return bodyParams;
+  return {
+    ...(input.AudioNormalizationSettings !== undefined && {
+      audioNormalizationSettings: serializeAws_restJson1_1AudioNormalizationSettings(
+        input.AudioNormalizationSettings,
+        context
+      )
+    }),
+    ...(input.AudioSelectorName !== undefined && {
+      audioSelectorName: input.AudioSelectorName
+    }),
+    ...(input.AudioType !== undefined && { audioType: input.AudioType }),
+    ...(input.AudioTypeControl !== undefined && {
+      audioTypeControl: input.AudioTypeControl
+    }),
+    ...(input.CodecSettings !== undefined && {
+      codecSettings: serializeAws_restJson1_1AudioCodecSettings(
+        input.CodecSettings,
+        context
+      )
+    }),
+    ...(input.LanguageCode !== undefined && {
+      languageCode: input.LanguageCode
+    }),
+    ...(input.LanguageCodeControl !== undefined && {
+      languageCodeControl: input.LanguageCodeControl
+    }),
+    ...(input.Name !== undefined && { name: input.Name }),
+    ...(input.RemixSettings !== undefined && {
+      remixSettings: serializeAws_restJson1_1RemixSettings(
+        input.RemixSettings,
+        context
+      )
+    }),
+    ...(input.StreamName !== undefined && { streamName: input.StreamName })
+  };
 };
 
 const serializeAws_restJson1_1AudioLanguageSelection = (
   input: AudioLanguageSelection,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.LanguageCode !== undefined) {
-    bodyParams["languageCode"] = input.LanguageCode;
-  }
-  if (input.LanguageSelectionPolicy !== undefined) {
-    bodyParams["languageSelectionPolicy"] = input.LanguageSelectionPolicy;
-  }
-  return bodyParams;
+  return {
+    ...(input.LanguageCode !== undefined && {
+      languageCode: input.LanguageCode
+    }),
+    ...(input.LanguageSelectionPolicy !== undefined && {
+      languageSelectionPolicy: input.LanguageSelectionPolicy
+    })
+  };
 };
 
 const serializeAws_restJson1_1AudioNormalizationSettings = (
   input: AudioNormalizationSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Algorithm !== undefined) {
-    bodyParams["algorithm"] = input.Algorithm;
-  }
-  if (input.AlgorithmControl !== undefined) {
-    bodyParams["algorithmControl"] = input.AlgorithmControl;
-  }
-  if (input.TargetLkfs !== undefined) {
-    bodyParams["targetLkfs"] = input.TargetLkfs;
-  }
-  return bodyParams;
+  return {
+    ...(input.Algorithm !== undefined && { algorithm: input.Algorithm }),
+    ...(input.AlgorithmControl !== undefined && {
+      algorithmControl: input.AlgorithmControl
+    }),
+    ...(input.TargetLkfs !== undefined && { targetLkfs: input.TargetLkfs })
+  };
 };
 
 const serializeAws_restJson1_1AudioOnlyHlsSettings = (
   input: AudioOnlyHlsSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AudioGroupId !== undefined) {
-    bodyParams["audioGroupId"] = input.AudioGroupId;
-  }
-  if (input.AudioOnlyImage !== undefined) {
-    bodyParams["audioOnlyImage"] = serializeAws_restJson1_1InputLocation(
-      input.AudioOnlyImage,
-      context
-    );
-  }
-  if (input.AudioTrackType !== undefined) {
-    bodyParams["audioTrackType"] = input.AudioTrackType;
-  }
-  if (input.SegmentType !== undefined) {
-    bodyParams["segmentType"] = input.SegmentType;
-  }
-  return bodyParams;
+  return {
+    ...(input.AudioGroupId !== undefined && {
+      audioGroupId: input.AudioGroupId
+    }),
+    ...(input.AudioOnlyImage !== undefined && {
+      audioOnlyImage: serializeAws_restJson1_1InputLocation(
+        input.AudioOnlyImage,
+        context
+      )
+    }),
+    ...(input.AudioTrackType !== undefined && {
+      audioTrackType: input.AudioTrackType
+    }),
+    ...(input.SegmentType !== undefined && { segmentType: input.SegmentType })
+  };
 };
 
 const serializeAws_restJson1_1AudioPidSelection = (
   input: AudioPidSelection,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Pid !== undefined) {
-    bodyParams["pid"] = input.Pid;
-  }
-  return bodyParams;
+  return {
+    ...(input.Pid !== undefined && { pid: input.Pid })
+  };
 };
 
 const serializeAws_restJson1_1AudioSelector = (
   input: AudioSelector,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Name !== undefined) {
-    bodyParams["name"] = input.Name;
-  }
-  if (input.SelectorSettings !== undefined) {
-    bodyParams[
-      "selectorSettings"
-    ] = serializeAws_restJson1_1AudioSelectorSettings(
-      input.SelectorSettings,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Name !== undefined && { name: input.Name }),
+    ...(input.SelectorSettings !== undefined && {
+      selectorSettings: serializeAws_restJson1_1AudioSelectorSettings(
+        input.SelectorSettings,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1AudioSelectorSettings = (
   input: AudioSelectorSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AudioLanguageSelection !== undefined) {
-    bodyParams[
-      "audioLanguageSelection"
-    ] = serializeAws_restJson1_1AudioLanguageSelection(
-      input.AudioLanguageSelection,
-      context
-    );
-  }
-  if (input.AudioPidSelection !== undefined) {
-    bodyParams["audioPidSelection"] = serializeAws_restJson1_1AudioPidSelection(
-      input.AudioPidSelection,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.AudioLanguageSelection !== undefined && {
+      audioLanguageSelection: serializeAws_restJson1_1AudioLanguageSelection(
+        input.AudioLanguageSelection,
+        context
+      )
+    }),
+    ...(input.AudioPidSelection !== undefined && {
+      audioPidSelection: serializeAws_restJson1_1AudioPidSelection(
+        input.AudioPidSelection,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1AvailBlanking = (
   input: AvailBlanking,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AvailBlankingImage !== undefined) {
-    bodyParams["availBlankingImage"] = serializeAws_restJson1_1InputLocation(
-      input.AvailBlankingImage,
-      context
-    );
-  }
-  if (input.State !== undefined) {
-    bodyParams["state"] = input.State;
-  }
-  return bodyParams;
+  return {
+    ...(input.AvailBlankingImage !== undefined && {
+      availBlankingImage: serializeAws_restJson1_1InputLocation(
+        input.AvailBlankingImage,
+        context
+      )
+    }),
+    ...(input.State !== undefined && { state: input.State })
+  };
 };
 
 const serializeAws_restJson1_1AvailConfiguration = (
   input: AvailConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AvailSettings !== undefined) {
-    bodyParams["availSettings"] = serializeAws_restJson1_1AvailSettings(
-      input.AvailSettings,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.AvailSettings !== undefined && {
+      availSettings: serializeAws_restJson1_1AvailSettings(
+        input.AvailSettings,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1AvailSettings = (
   input: AvailSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Scte35SpliceInsert !== undefined) {
-    bodyParams[
-      "scte35SpliceInsert"
-    ] = serializeAws_restJson1_1Scte35SpliceInsert(
-      input.Scte35SpliceInsert,
-      context
-    );
-  }
-  if (input.Scte35TimeSignalApos !== undefined) {
-    bodyParams[
-      "scte35TimeSignalApos"
-    ] = serializeAws_restJson1_1Scte35TimeSignalApos(
-      input.Scte35TimeSignalApos,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Scte35SpliceInsert !== undefined && {
+      scte35SpliceInsert: serializeAws_restJson1_1Scte35SpliceInsert(
+        input.Scte35SpliceInsert,
+        context
+      )
+    }),
+    ...(input.Scte35TimeSignalApos !== undefined && {
+      scte35TimeSignalApos: serializeAws_restJson1_1Scte35TimeSignalApos(
+        input.Scte35TimeSignalApos,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1BatchScheduleActionCreateRequest = (
   input: BatchScheduleActionCreateRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ScheduleActions !== undefined) {
-    bodyParams[
-      "scheduleActions"
-    ] = serializeAws_restJson1_1__listOfScheduleAction(
-      input.ScheduleActions,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ScheduleActions !== undefined && {
+      scheduleActions: serializeAws_restJson1_1__listOfScheduleAction(
+        input.ScheduleActions,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1BatchScheduleActionDeleteRequest = (
   input: BatchScheduleActionDeleteRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ActionNames !== undefined) {
-    bodyParams["actionNames"] = serializeAws_restJson1_1__listOf__string(
-      input.ActionNames,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ActionNames !== undefined && {
+      actionNames: serializeAws_restJson1_1__listOf__string(
+        input.ActionNames,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1BlackoutSlate = (
   input: BlackoutSlate,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.BlackoutSlateImage !== undefined) {
-    bodyParams["blackoutSlateImage"] = serializeAws_restJson1_1InputLocation(
-      input.BlackoutSlateImage,
-      context
-    );
-  }
-  if (input.NetworkEndBlackout !== undefined) {
-    bodyParams["networkEndBlackout"] = input.NetworkEndBlackout;
-  }
-  if (input.NetworkEndBlackoutImage !== undefined) {
-    bodyParams[
-      "networkEndBlackoutImage"
-    ] = serializeAws_restJson1_1InputLocation(
-      input.NetworkEndBlackoutImage,
-      context
-    );
-  }
-  if (input.NetworkId !== undefined) {
-    bodyParams["networkId"] = input.NetworkId;
-  }
-  if (input.State !== undefined) {
-    bodyParams["state"] = input.State;
-  }
-  return bodyParams;
+  return {
+    ...(input.BlackoutSlateImage !== undefined && {
+      blackoutSlateImage: serializeAws_restJson1_1InputLocation(
+        input.BlackoutSlateImage,
+        context
+      )
+    }),
+    ...(input.NetworkEndBlackout !== undefined && {
+      networkEndBlackout: input.NetworkEndBlackout
+    }),
+    ...(input.NetworkEndBlackoutImage !== undefined && {
+      networkEndBlackoutImage: serializeAws_restJson1_1InputLocation(
+        input.NetworkEndBlackoutImage,
+        context
+      )
+    }),
+    ...(input.NetworkId !== undefined && { networkId: input.NetworkId }),
+    ...(input.State !== undefined && { state: input.State })
+  };
 };
 
 const serializeAws_restJson1_1BurnInDestinationSettings = (
   input: BurnInDestinationSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Alignment !== undefined) {
-    bodyParams["alignment"] = input.Alignment;
-  }
-  if (input.BackgroundColor !== undefined) {
-    bodyParams["backgroundColor"] = input.BackgroundColor;
-  }
-  if (input.BackgroundOpacity !== undefined) {
-    bodyParams["backgroundOpacity"] = input.BackgroundOpacity;
-  }
-  if (input.Font !== undefined) {
-    bodyParams["font"] = serializeAws_restJson1_1InputLocation(
-      input.Font,
-      context
-    );
-  }
-  if (input.FontColor !== undefined) {
-    bodyParams["fontColor"] = input.FontColor;
-  }
-  if (input.FontOpacity !== undefined) {
-    bodyParams["fontOpacity"] = input.FontOpacity;
-  }
-  if (input.FontResolution !== undefined) {
-    bodyParams["fontResolution"] = input.FontResolution;
-  }
-  if (input.FontSize !== undefined) {
-    bodyParams["fontSize"] = input.FontSize;
-  }
-  if (input.OutlineColor !== undefined) {
-    bodyParams["outlineColor"] = input.OutlineColor;
-  }
-  if (input.OutlineSize !== undefined) {
-    bodyParams["outlineSize"] = input.OutlineSize;
-  }
-  if (input.ShadowColor !== undefined) {
-    bodyParams["shadowColor"] = input.ShadowColor;
-  }
-  if (input.ShadowOpacity !== undefined) {
-    bodyParams["shadowOpacity"] = input.ShadowOpacity;
-  }
-  if (input.ShadowXOffset !== undefined) {
-    bodyParams["shadowXOffset"] = input.ShadowXOffset;
-  }
-  if (input.ShadowYOffset !== undefined) {
-    bodyParams["shadowYOffset"] = input.ShadowYOffset;
-  }
-  if (input.TeletextGridControl !== undefined) {
-    bodyParams["teletextGridControl"] = input.TeletextGridControl;
-  }
-  if (input.XPosition !== undefined) {
-    bodyParams["xPosition"] = input.XPosition;
-  }
-  if (input.YPosition !== undefined) {
-    bodyParams["yPosition"] = input.YPosition;
-  }
-  return bodyParams;
+  return {
+    ...(input.Alignment !== undefined && { alignment: input.Alignment }),
+    ...(input.BackgroundColor !== undefined && {
+      backgroundColor: input.BackgroundColor
+    }),
+    ...(input.BackgroundOpacity !== undefined && {
+      backgroundOpacity: input.BackgroundOpacity
+    }),
+    ...(input.Font !== undefined && {
+      font: serializeAws_restJson1_1InputLocation(input.Font, context)
+    }),
+    ...(input.FontColor !== undefined && { fontColor: input.FontColor }),
+    ...(input.FontOpacity !== undefined && { fontOpacity: input.FontOpacity }),
+    ...(input.FontResolution !== undefined && {
+      fontResolution: input.FontResolution
+    }),
+    ...(input.FontSize !== undefined && { fontSize: input.FontSize }),
+    ...(input.OutlineColor !== undefined && {
+      outlineColor: input.OutlineColor
+    }),
+    ...(input.OutlineSize !== undefined && { outlineSize: input.OutlineSize }),
+    ...(input.ShadowColor !== undefined && { shadowColor: input.ShadowColor }),
+    ...(input.ShadowOpacity !== undefined && {
+      shadowOpacity: input.ShadowOpacity
+    }),
+    ...(input.ShadowXOffset !== undefined && {
+      shadowXOffset: input.ShadowXOffset
+    }),
+    ...(input.ShadowYOffset !== undefined && {
+      shadowYOffset: input.ShadowYOffset
+    }),
+    ...(input.TeletextGridControl !== undefined && {
+      teletextGridControl: input.TeletextGridControl
+    }),
+    ...(input.XPosition !== undefined && { xPosition: input.XPosition }),
+    ...(input.YPosition !== undefined && { yPosition: input.YPosition })
+  };
 };
 
 const serializeAws_restJson1_1CaptionDescription = (
   input: CaptionDescription,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CaptionSelectorName !== undefined) {
-    bodyParams["captionSelectorName"] = input.CaptionSelectorName;
-  }
-  if (input.DestinationSettings !== undefined) {
-    bodyParams[
-      "destinationSettings"
-    ] = serializeAws_restJson1_1CaptionDestinationSettings(
-      input.DestinationSettings,
-      context
-    );
-  }
-  if (input.LanguageCode !== undefined) {
-    bodyParams["languageCode"] = input.LanguageCode;
-  }
-  if (input.LanguageDescription !== undefined) {
-    bodyParams["languageDescription"] = input.LanguageDescription;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.CaptionSelectorName !== undefined && {
+      captionSelectorName: input.CaptionSelectorName
+    }),
+    ...(input.DestinationSettings !== undefined && {
+      destinationSettings: serializeAws_restJson1_1CaptionDestinationSettings(
+        input.DestinationSettings,
+        context
+      )
+    }),
+    ...(input.LanguageCode !== undefined && {
+      languageCode: input.LanguageCode
+    }),
+    ...(input.LanguageDescription !== undefined && {
+      languageDescription: input.LanguageDescription
+    }),
+    ...(input.Name !== undefined && { name: input.Name })
+  };
 };
 
 const serializeAws_restJson1_1CaptionDestinationSettings = (
   input: CaptionDestinationSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AribDestinationSettings !== undefined) {
-    bodyParams[
-      "aribDestinationSettings"
-    ] = serializeAws_restJson1_1AribDestinationSettings(
-      input.AribDestinationSettings,
-      context
-    );
-  }
-  if (input.BurnInDestinationSettings !== undefined) {
-    bodyParams[
-      "burnInDestinationSettings"
-    ] = serializeAws_restJson1_1BurnInDestinationSettings(
-      input.BurnInDestinationSettings,
-      context
-    );
-  }
-  if (input.DvbSubDestinationSettings !== undefined) {
-    bodyParams[
-      "dvbSubDestinationSettings"
-    ] = serializeAws_restJson1_1DvbSubDestinationSettings(
-      input.DvbSubDestinationSettings,
-      context
-    );
-  }
-  if (input.EmbeddedDestinationSettings !== undefined) {
-    bodyParams[
-      "embeddedDestinationSettings"
-    ] = serializeAws_restJson1_1EmbeddedDestinationSettings(
-      input.EmbeddedDestinationSettings,
-      context
-    );
-  }
-  if (input.EmbeddedPlusScte20DestinationSettings !== undefined) {
-    bodyParams[
-      "embeddedPlusScte20DestinationSettings"
-    ] = serializeAws_restJson1_1EmbeddedPlusScte20DestinationSettings(
-      input.EmbeddedPlusScte20DestinationSettings,
-      context
-    );
-  }
-  if (input.RtmpCaptionInfoDestinationSettings !== undefined) {
-    bodyParams[
-      "rtmpCaptionInfoDestinationSettings"
-    ] = serializeAws_restJson1_1RtmpCaptionInfoDestinationSettings(
-      input.RtmpCaptionInfoDestinationSettings,
-      context
-    );
-  }
-  if (input.Scte20PlusEmbeddedDestinationSettings !== undefined) {
-    bodyParams[
-      "scte20PlusEmbeddedDestinationSettings"
-    ] = serializeAws_restJson1_1Scte20PlusEmbeddedDestinationSettings(
-      input.Scte20PlusEmbeddedDestinationSettings,
-      context
-    );
-  }
-  if (input.Scte27DestinationSettings !== undefined) {
-    bodyParams[
-      "scte27DestinationSettings"
-    ] = serializeAws_restJson1_1Scte27DestinationSettings(
-      input.Scte27DestinationSettings,
-      context
-    );
-  }
-  if (input.SmpteTtDestinationSettings !== undefined) {
-    bodyParams[
-      "smpteTtDestinationSettings"
-    ] = serializeAws_restJson1_1SmpteTtDestinationSettings(
-      input.SmpteTtDestinationSettings,
-      context
-    );
-  }
-  if (input.TeletextDestinationSettings !== undefined) {
-    bodyParams[
-      "teletextDestinationSettings"
-    ] = serializeAws_restJson1_1TeletextDestinationSettings(
-      input.TeletextDestinationSettings,
-      context
-    );
-  }
-  if (input.TtmlDestinationSettings !== undefined) {
-    bodyParams[
-      "ttmlDestinationSettings"
-    ] = serializeAws_restJson1_1TtmlDestinationSettings(
-      input.TtmlDestinationSettings,
-      context
-    );
-  }
-  if (input.WebvttDestinationSettings !== undefined) {
-    bodyParams[
-      "webvttDestinationSettings"
-    ] = serializeAws_restJson1_1WebvttDestinationSettings(
-      input.WebvttDestinationSettings,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.AribDestinationSettings !== undefined && {
+      aribDestinationSettings: serializeAws_restJson1_1AribDestinationSettings(
+        input.AribDestinationSettings,
+        context
+      )
+    }),
+    ...(input.BurnInDestinationSettings !== undefined && {
+      burnInDestinationSettings: serializeAws_restJson1_1BurnInDestinationSettings(
+        input.BurnInDestinationSettings,
+        context
+      )
+    }),
+    ...(input.DvbSubDestinationSettings !== undefined && {
+      dvbSubDestinationSettings: serializeAws_restJson1_1DvbSubDestinationSettings(
+        input.DvbSubDestinationSettings,
+        context
+      )
+    }),
+    ...(input.EmbeddedDestinationSettings !== undefined && {
+      embeddedDestinationSettings: serializeAws_restJson1_1EmbeddedDestinationSettings(
+        input.EmbeddedDestinationSettings,
+        context
+      )
+    }),
+    ...(input.EmbeddedPlusScte20DestinationSettings !== undefined && {
+      embeddedPlusScte20DestinationSettings: serializeAws_restJson1_1EmbeddedPlusScte20DestinationSettings(
+        input.EmbeddedPlusScte20DestinationSettings,
+        context
+      )
+    }),
+    ...(input.RtmpCaptionInfoDestinationSettings !== undefined && {
+      rtmpCaptionInfoDestinationSettings: serializeAws_restJson1_1RtmpCaptionInfoDestinationSettings(
+        input.RtmpCaptionInfoDestinationSettings,
+        context
+      )
+    }),
+    ...(input.Scte20PlusEmbeddedDestinationSettings !== undefined && {
+      scte20PlusEmbeddedDestinationSettings: serializeAws_restJson1_1Scte20PlusEmbeddedDestinationSettings(
+        input.Scte20PlusEmbeddedDestinationSettings,
+        context
+      )
+    }),
+    ...(input.Scte27DestinationSettings !== undefined && {
+      scte27DestinationSettings: serializeAws_restJson1_1Scte27DestinationSettings(
+        input.Scte27DestinationSettings,
+        context
+      )
+    }),
+    ...(input.SmpteTtDestinationSettings !== undefined && {
+      smpteTtDestinationSettings: serializeAws_restJson1_1SmpteTtDestinationSettings(
+        input.SmpteTtDestinationSettings,
+        context
+      )
+    }),
+    ...(input.TeletextDestinationSettings !== undefined && {
+      teletextDestinationSettings: serializeAws_restJson1_1TeletextDestinationSettings(
+        input.TeletextDestinationSettings,
+        context
+      )
+    }),
+    ...(input.TtmlDestinationSettings !== undefined && {
+      ttmlDestinationSettings: serializeAws_restJson1_1TtmlDestinationSettings(
+        input.TtmlDestinationSettings,
+        context
+      )
+    }),
+    ...(input.WebvttDestinationSettings !== undefined && {
+      webvttDestinationSettings: serializeAws_restJson1_1WebvttDestinationSettings(
+        input.WebvttDestinationSettings,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1CaptionLanguageMapping = (
   input: CaptionLanguageMapping,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CaptionChannel !== undefined) {
-    bodyParams["captionChannel"] = input.CaptionChannel;
-  }
-  if (input.LanguageCode !== undefined) {
-    bodyParams["languageCode"] = input.LanguageCode;
-  }
-  if (input.LanguageDescription !== undefined) {
-    bodyParams["languageDescription"] = input.LanguageDescription;
-  }
-  return bodyParams;
+  return {
+    ...(input.CaptionChannel !== undefined && {
+      captionChannel: input.CaptionChannel
+    }),
+    ...(input.LanguageCode !== undefined && {
+      languageCode: input.LanguageCode
+    }),
+    ...(input.LanguageDescription !== undefined && {
+      languageDescription: input.LanguageDescription
+    })
+  };
 };
 
 const serializeAws_restJson1_1CaptionSelector = (
   input: CaptionSelector,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.LanguageCode !== undefined) {
-    bodyParams["languageCode"] = input.LanguageCode;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["name"] = input.Name;
-  }
-  if (input.SelectorSettings !== undefined) {
-    bodyParams[
-      "selectorSettings"
-    ] = serializeAws_restJson1_1CaptionSelectorSettings(
-      input.SelectorSettings,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.LanguageCode !== undefined && {
+      languageCode: input.LanguageCode
+    }),
+    ...(input.Name !== undefined && { name: input.Name }),
+    ...(input.SelectorSettings !== undefined && {
+      selectorSettings: serializeAws_restJson1_1CaptionSelectorSettings(
+        input.SelectorSettings,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1CaptionSelectorSettings = (
   input: CaptionSelectorSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AribSourceSettings !== undefined) {
-    bodyParams[
-      "aribSourceSettings"
-    ] = serializeAws_restJson1_1AribSourceSettings(
-      input.AribSourceSettings,
-      context
-    );
-  }
-  if (input.DvbSubSourceSettings !== undefined) {
-    bodyParams[
-      "dvbSubSourceSettings"
-    ] = serializeAws_restJson1_1DvbSubSourceSettings(
-      input.DvbSubSourceSettings,
-      context
-    );
-  }
-  if (input.EmbeddedSourceSettings !== undefined) {
-    bodyParams[
-      "embeddedSourceSettings"
-    ] = serializeAws_restJson1_1EmbeddedSourceSettings(
-      input.EmbeddedSourceSettings,
-      context
-    );
-  }
-  if (input.Scte20SourceSettings !== undefined) {
-    bodyParams[
-      "scte20SourceSettings"
-    ] = serializeAws_restJson1_1Scte20SourceSettings(
-      input.Scte20SourceSettings,
-      context
-    );
-  }
-  if (input.Scte27SourceSettings !== undefined) {
-    bodyParams[
-      "scte27SourceSettings"
-    ] = serializeAws_restJson1_1Scte27SourceSettings(
-      input.Scte27SourceSettings,
-      context
-    );
-  }
-  if (input.TeletextSourceSettings !== undefined) {
-    bodyParams[
-      "teletextSourceSettings"
-    ] = serializeAws_restJson1_1TeletextSourceSettings(
-      input.TeletextSourceSettings,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.AribSourceSettings !== undefined && {
+      aribSourceSettings: serializeAws_restJson1_1AribSourceSettings(
+        input.AribSourceSettings,
+        context
+      )
+    }),
+    ...(input.DvbSubSourceSettings !== undefined && {
+      dvbSubSourceSettings: serializeAws_restJson1_1DvbSubSourceSettings(
+        input.DvbSubSourceSettings,
+        context
+      )
+    }),
+    ...(input.EmbeddedSourceSettings !== undefined && {
+      embeddedSourceSettings: serializeAws_restJson1_1EmbeddedSourceSettings(
+        input.EmbeddedSourceSettings,
+        context
+      )
+    }),
+    ...(input.Scte20SourceSettings !== undefined && {
+      scte20SourceSettings: serializeAws_restJson1_1Scte20SourceSettings(
+        input.Scte20SourceSettings,
+        context
+      )
+    }),
+    ...(input.Scte27SourceSettings !== undefined && {
+      scte27SourceSettings: serializeAws_restJson1_1Scte27SourceSettings(
+        input.Scte27SourceSettings,
+        context
+      )
+    }),
+    ...(input.TeletextSourceSettings !== undefined && {
+      teletextSourceSettings: serializeAws_restJson1_1TeletextSourceSettings(
+        input.TeletextSourceSettings,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1ColorSpacePassthroughSettings = (
   input: ColorSpacePassthroughSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  return bodyParams;
+  return {};
 };
 
 const serializeAws_restJson1_1DvbNitSettings = (
   input: DvbNitSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.NetworkId !== undefined) {
-    bodyParams["networkId"] = input.NetworkId;
-  }
-  if (input.NetworkName !== undefined) {
-    bodyParams["networkName"] = input.NetworkName;
-  }
-  if (input.RepInterval !== undefined) {
-    bodyParams["repInterval"] = input.RepInterval;
-  }
-  return bodyParams;
+  return {
+    ...(input.NetworkId !== undefined && { networkId: input.NetworkId }),
+    ...(input.NetworkName !== undefined && { networkName: input.NetworkName }),
+    ...(input.RepInterval !== undefined && { repInterval: input.RepInterval })
+  };
 };
 
 const serializeAws_restJson1_1DvbSdtSettings = (
   input: DvbSdtSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.OutputSdt !== undefined) {
-    bodyParams["outputSdt"] = input.OutputSdt;
-  }
-  if (input.RepInterval !== undefined) {
-    bodyParams["repInterval"] = input.RepInterval;
-  }
-  if (input.ServiceName !== undefined) {
-    bodyParams["serviceName"] = input.ServiceName;
-  }
-  if (input.ServiceProviderName !== undefined) {
-    bodyParams["serviceProviderName"] = input.ServiceProviderName;
-  }
-  return bodyParams;
+  return {
+    ...(input.OutputSdt !== undefined && { outputSdt: input.OutputSdt }),
+    ...(input.RepInterval !== undefined && { repInterval: input.RepInterval }),
+    ...(input.ServiceName !== undefined && { serviceName: input.ServiceName }),
+    ...(input.ServiceProviderName !== undefined && {
+      serviceProviderName: input.ServiceProviderName
+    })
+  };
 };
 
 const serializeAws_restJson1_1DvbSubDestinationSettings = (
   input: DvbSubDestinationSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Alignment !== undefined) {
-    bodyParams["alignment"] = input.Alignment;
-  }
-  if (input.BackgroundColor !== undefined) {
-    bodyParams["backgroundColor"] = input.BackgroundColor;
-  }
-  if (input.BackgroundOpacity !== undefined) {
-    bodyParams["backgroundOpacity"] = input.BackgroundOpacity;
-  }
-  if (input.Font !== undefined) {
-    bodyParams["font"] = serializeAws_restJson1_1InputLocation(
-      input.Font,
-      context
-    );
-  }
-  if (input.FontColor !== undefined) {
-    bodyParams["fontColor"] = input.FontColor;
-  }
-  if (input.FontOpacity !== undefined) {
-    bodyParams["fontOpacity"] = input.FontOpacity;
-  }
-  if (input.FontResolution !== undefined) {
-    bodyParams["fontResolution"] = input.FontResolution;
-  }
-  if (input.FontSize !== undefined) {
-    bodyParams["fontSize"] = input.FontSize;
-  }
-  if (input.OutlineColor !== undefined) {
-    bodyParams["outlineColor"] = input.OutlineColor;
-  }
-  if (input.OutlineSize !== undefined) {
-    bodyParams["outlineSize"] = input.OutlineSize;
-  }
-  if (input.ShadowColor !== undefined) {
-    bodyParams["shadowColor"] = input.ShadowColor;
-  }
-  if (input.ShadowOpacity !== undefined) {
-    bodyParams["shadowOpacity"] = input.ShadowOpacity;
-  }
-  if (input.ShadowXOffset !== undefined) {
-    bodyParams["shadowXOffset"] = input.ShadowXOffset;
-  }
-  if (input.ShadowYOffset !== undefined) {
-    bodyParams["shadowYOffset"] = input.ShadowYOffset;
-  }
-  if (input.TeletextGridControl !== undefined) {
-    bodyParams["teletextGridControl"] = input.TeletextGridControl;
-  }
-  if (input.XPosition !== undefined) {
-    bodyParams["xPosition"] = input.XPosition;
-  }
-  if (input.YPosition !== undefined) {
-    bodyParams["yPosition"] = input.YPosition;
-  }
-  return bodyParams;
+  return {
+    ...(input.Alignment !== undefined && { alignment: input.Alignment }),
+    ...(input.BackgroundColor !== undefined && {
+      backgroundColor: input.BackgroundColor
+    }),
+    ...(input.BackgroundOpacity !== undefined && {
+      backgroundOpacity: input.BackgroundOpacity
+    }),
+    ...(input.Font !== undefined && {
+      font: serializeAws_restJson1_1InputLocation(input.Font, context)
+    }),
+    ...(input.FontColor !== undefined && { fontColor: input.FontColor }),
+    ...(input.FontOpacity !== undefined && { fontOpacity: input.FontOpacity }),
+    ...(input.FontResolution !== undefined && {
+      fontResolution: input.FontResolution
+    }),
+    ...(input.FontSize !== undefined && { fontSize: input.FontSize }),
+    ...(input.OutlineColor !== undefined && {
+      outlineColor: input.OutlineColor
+    }),
+    ...(input.OutlineSize !== undefined && { outlineSize: input.OutlineSize }),
+    ...(input.ShadowColor !== undefined && { shadowColor: input.ShadowColor }),
+    ...(input.ShadowOpacity !== undefined && {
+      shadowOpacity: input.ShadowOpacity
+    }),
+    ...(input.ShadowXOffset !== undefined && {
+      shadowXOffset: input.ShadowXOffset
+    }),
+    ...(input.ShadowYOffset !== undefined && {
+      shadowYOffset: input.ShadowYOffset
+    }),
+    ...(input.TeletextGridControl !== undefined && {
+      teletextGridControl: input.TeletextGridControl
+    }),
+    ...(input.XPosition !== undefined && { xPosition: input.XPosition }),
+    ...(input.YPosition !== undefined && { yPosition: input.YPosition })
+  };
 };
 
 const serializeAws_restJson1_1DvbSubSourceSettings = (
   input: DvbSubSourceSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Pid !== undefined) {
-    bodyParams["pid"] = input.Pid;
-  }
-  return bodyParams;
+  return {
+    ...(input.Pid !== undefined && { pid: input.Pid })
+  };
 };
 
 const serializeAws_restJson1_1DvbTdtSettings = (
   input: DvbTdtSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.RepInterval !== undefined) {
-    bodyParams["repInterval"] = input.RepInterval;
-  }
-  return bodyParams;
+  return {
+    ...(input.RepInterval !== undefined && { repInterval: input.RepInterval })
+  };
 };
 
 const serializeAws_restJson1_1Eac3Settings = (
   input: Eac3Settings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AttenuationControl !== undefined) {
-    bodyParams["attenuationControl"] = input.AttenuationControl;
-  }
-  if (input.Bitrate !== undefined) {
-    bodyParams["bitrate"] = input.Bitrate;
-  }
-  if (input.BitstreamMode !== undefined) {
-    bodyParams["bitstreamMode"] = input.BitstreamMode;
-  }
-  if (input.CodingMode !== undefined) {
-    bodyParams["codingMode"] = input.CodingMode;
-  }
-  if (input.DcFilter !== undefined) {
-    bodyParams["dcFilter"] = input.DcFilter;
-  }
-  if (input.Dialnorm !== undefined) {
-    bodyParams["dialnorm"] = input.Dialnorm;
-  }
-  if (input.DrcLine !== undefined) {
-    bodyParams["drcLine"] = input.DrcLine;
-  }
-  if (input.DrcRf !== undefined) {
-    bodyParams["drcRf"] = input.DrcRf;
-  }
-  if (input.LfeControl !== undefined) {
-    bodyParams["lfeControl"] = input.LfeControl;
-  }
-  if (input.LfeFilter !== undefined) {
-    bodyParams["lfeFilter"] = input.LfeFilter;
-  }
-  if (input.LoRoCenterMixLevel !== undefined) {
-    bodyParams["loRoCenterMixLevel"] = input.LoRoCenterMixLevel;
-  }
-  if (input.LoRoSurroundMixLevel !== undefined) {
-    bodyParams["loRoSurroundMixLevel"] = input.LoRoSurroundMixLevel;
-  }
-  if (input.LtRtCenterMixLevel !== undefined) {
-    bodyParams["ltRtCenterMixLevel"] = input.LtRtCenterMixLevel;
-  }
-  if (input.LtRtSurroundMixLevel !== undefined) {
-    bodyParams["ltRtSurroundMixLevel"] = input.LtRtSurroundMixLevel;
-  }
-  if (input.MetadataControl !== undefined) {
-    bodyParams["metadataControl"] = input.MetadataControl;
-  }
-  if (input.PassthroughControl !== undefined) {
-    bodyParams["passthroughControl"] = input.PassthroughControl;
-  }
-  if (input.PhaseControl !== undefined) {
-    bodyParams["phaseControl"] = input.PhaseControl;
-  }
-  if (input.StereoDownmix !== undefined) {
-    bodyParams["stereoDownmix"] = input.StereoDownmix;
-  }
-  if (input.SurroundExMode !== undefined) {
-    bodyParams["surroundExMode"] = input.SurroundExMode;
-  }
-  if (input.SurroundMode !== undefined) {
-    bodyParams["surroundMode"] = input.SurroundMode;
-  }
-  return bodyParams;
+  return {
+    ...(input.AttenuationControl !== undefined && {
+      attenuationControl: input.AttenuationControl
+    }),
+    ...(input.Bitrate !== undefined && { bitrate: input.Bitrate }),
+    ...(input.BitstreamMode !== undefined && {
+      bitstreamMode: input.BitstreamMode
+    }),
+    ...(input.CodingMode !== undefined && { codingMode: input.CodingMode }),
+    ...(input.DcFilter !== undefined && { dcFilter: input.DcFilter }),
+    ...(input.Dialnorm !== undefined && { dialnorm: input.Dialnorm }),
+    ...(input.DrcLine !== undefined && { drcLine: input.DrcLine }),
+    ...(input.DrcRf !== undefined && { drcRf: input.DrcRf }),
+    ...(input.LfeControl !== undefined && { lfeControl: input.LfeControl }),
+    ...(input.LfeFilter !== undefined && { lfeFilter: input.LfeFilter }),
+    ...(input.LoRoCenterMixLevel !== undefined && {
+      loRoCenterMixLevel: input.LoRoCenterMixLevel
+    }),
+    ...(input.LoRoSurroundMixLevel !== undefined && {
+      loRoSurroundMixLevel: input.LoRoSurroundMixLevel
+    }),
+    ...(input.LtRtCenterMixLevel !== undefined && {
+      ltRtCenterMixLevel: input.LtRtCenterMixLevel
+    }),
+    ...(input.LtRtSurroundMixLevel !== undefined && {
+      ltRtSurroundMixLevel: input.LtRtSurroundMixLevel
+    }),
+    ...(input.MetadataControl !== undefined && {
+      metadataControl: input.MetadataControl
+    }),
+    ...(input.PassthroughControl !== undefined && {
+      passthroughControl: input.PassthroughControl
+    }),
+    ...(input.PhaseControl !== undefined && {
+      phaseControl: input.PhaseControl
+    }),
+    ...(input.StereoDownmix !== undefined && {
+      stereoDownmix: input.StereoDownmix
+    }),
+    ...(input.SurroundExMode !== undefined && {
+      surroundExMode: input.SurroundExMode
+    }),
+    ...(input.SurroundMode !== undefined && {
+      surroundMode: input.SurroundMode
+    })
+  };
 };
 
 const serializeAws_restJson1_1EmbeddedDestinationSettings = (
   input: EmbeddedDestinationSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  return bodyParams;
+  return {};
 };
 
 const serializeAws_restJson1_1EmbeddedPlusScte20DestinationSettings = (
   input: EmbeddedPlusScte20DestinationSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  return bodyParams;
+  return {};
 };
 
 const serializeAws_restJson1_1EmbeddedSourceSettings = (
   input: EmbeddedSourceSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Convert608To708 !== undefined) {
-    bodyParams["convert608To708"] = input.Convert608To708;
-  }
-  if (input.Scte20Detection !== undefined) {
-    bodyParams["scte20Detection"] = input.Scte20Detection;
-  }
-  if (input.Source608ChannelNumber !== undefined) {
-    bodyParams["source608ChannelNumber"] = input.Source608ChannelNumber;
-  }
-  if (input.Source608TrackNumber !== undefined) {
-    bodyParams["source608TrackNumber"] = input.Source608TrackNumber;
-  }
-  return bodyParams;
+  return {
+    ...(input.Convert608To708 !== undefined && {
+      convert608To708: input.Convert608To708
+    }),
+    ...(input.Scte20Detection !== undefined && {
+      scte20Detection: input.Scte20Detection
+    }),
+    ...(input.Source608ChannelNumber !== undefined && {
+      source608ChannelNumber: input.Source608ChannelNumber
+    }),
+    ...(input.Source608TrackNumber !== undefined && {
+      source608TrackNumber: input.Source608TrackNumber
+    })
+  };
 };
 
 const serializeAws_restJson1_1EncoderSettings = (
   input: EncoderSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AudioDescriptions !== undefined) {
-    bodyParams[
-      "audioDescriptions"
-    ] = serializeAws_restJson1_1__listOfAudioDescription(
-      input.AudioDescriptions,
-      context
-    );
-  }
-  if (input.AvailBlanking !== undefined) {
-    bodyParams["availBlanking"] = serializeAws_restJson1_1AvailBlanking(
-      input.AvailBlanking,
-      context
-    );
-  }
-  if (input.AvailConfiguration !== undefined) {
-    bodyParams[
-      "availConfiguration"
-    ] = serializeAws_restJson1_1AvailConfiguration(
-      input.AvailConfiguration,
-      context
-    );
-  }
-  if (input.BlackoutSlate !== undefined) {
-    bodyParams["blackoutSlate"] = serializeAws_restJson1_1BlackoutSlate(
-      input.BlackoutSlate,
-      context
-    );
-  }
-  if (input.CaptionDescriptions !== undefined) {
-    bodyParams[
-      "captionDescriptions"
-    ] = serializeAws_restJson1_1__listOfCaptionDescription(
-      input.CaptionDescriptions,
-      context
-    );
-  }
-  if (input.GlobalConfiguration !== undefined) {
-    bodyParams[
-      "globalConfiguration"
-    ] = serializeAws_restJson1_1GlobalConfiguration(
-      input.GlobalConfiguration,
-      context
-    );
-  }
-  if (input.NielsenConfiguration !== undefined) {
-    bodyParams[
-      "nielsenConfiguration"
-    ] = serializeAws_restJson1_1NielsenConfiguration(
-      input.NielsenConfiguration,
-      context
-    );
-  }
-  if (input.OutputGroups !== undefined) {
-    bodyParams["outputGroups"] = serializeAws_restJson1_1__listOfOutputGroup(
-      input.OutputGroups,
-      context
-    );
-  }
-  if (input.TimecodeConfig !== undefined) {
-    bodyParams["timecodeConfig"] = serializeAws_restJson1_1TimecodeConfig(
-      input.TimecodeConfig,
-      context
-    );
-  }
-  if (input.VideoDescriptions !== undefined) {
-    bodyParams[
-      "videoDescriptions"
-    ] = serializeAws_restJson1_1__listOfVideoDescription(
-      input.VideoDescriptions,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.AudioDescriptions !== undefined && {
+      audioDescriptions: serializeAws_restJson1_1__listOfAudioDescription(
+        input.AudioDescriptions,
+        context
+      )
+    }),
+    ...(input.AvailBlanking !== undefined && {
+      availBlanking: serializeAws_restJson1_1AvailBlanking(
+        input.AvailBlanking,
+        context
+      )
+    }),
+    ...(input.AvailConfiguration !== undefined && {
+      availConfiguration: serializeAws_restJson1_1AvailConfiguration(
+        input.AvailConfiguration,
+        context
+      )
+    }),
+    ...(input.BlackoutSlate !== undefined && {
+      blackoutSlate: serializeAws_restJson1_1BlackoutSlate(
+        input.BlackoutSlate,
+        context
+      )
+    }),
+    ...(input.CaptionDescriptions !== undefined && {
+      captionDescriptions: serializeAws_restJson1_1__listOfCaptionDescription(
+        input.CaptionDescriptions,
+        context
+      )
+    }),
+    ...(input.GlobalConfiguration !== undefined && {
+      globalConfiguration: serializeAws_restJson1_1GlobalConfiguration(
+        input.GlobalConfiguration,
+        context
+      )
+    }),
+    ...(input.NielsenConfiguration !== undefined && {
+      nielsenConfiguration: serializeAws_restJson1_1NielsenConfiguration(
+        input.NielsenConfiguration,
+        context
+      )
+    }),
+    ...(input.OutputGroups !== undefined && {
+      outputGroups: serializeAws_restJson1_1__listOfOutputGroup(
+        input.OutputGroups,
+        context
+      )
+    }),
+    ...(input.TimecodeConfig !== undefined && {
+      timecodeConfig: serializeAws_restJson1_1TimecodeConfig(
+        input.TimecodeConfig,
+        context
+      )
+    }),
+    ...(input.VideoDescriptions !== undefined && {
+      videoDescriptions: serializeAws_restJson1_1__listOfVideoDescription(
+        input.VideoDescriptions,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1FecOutputSettings = (
   input: FecOutputSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ColumnDepth !== undefined) {
-    bodyParams["columnDepth"] = input.ColumnDepth;
-  }
-  if (input.IncludeFec !== undefined) {
-    bodyParams["includeFec"] = input.IncludeFec;
-  }
-  if (input.RowLength !== undefined) {
-    bodyParams["rowLength"] = input.RowLength;
-  }
-  return bodyParams;
+  return {
+    ...(input.ColumnDepth !== undefined && { columnDepth: input.ColumnDepth }),
+    ...(input.IncludeFec !== undefined && { includeFec: input.IncludeFec }),
+    ...(input.RowLength !== undefined && { rowLength: input.RowLength })
+  };
 };
 
 const serializeAws_restJson1_1FixedModeScheduleActionStartSettings = (
   input: FixedModeScheduleActionStartSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Time !== undefined) {
-    bodyParams["time"] = input.Time;
-  }
-  return bodyParams;
+  return {
+    ...(input.Time !== undefined && { time: input.Time })
+  };
 };
 
 const serializeAws_restJson1_1Fmp4HlsSettings = (
   input: Fmp4HlsSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AudioRenditionSets !== undefined) {
-    bodyParams["audioRenditionSets"] = input.AudioRenditionSets;
-  }
-  return bodyParams;
+  return {
+    ...(input.AudioRenditionSets !== undefined && {
+      audioRenditionSets: input.AudioRenditionSets
+    })
+  };
 };
 
 const serializeAws_restJson1_1FollowModeScheduleActionStartSettings = (
   input: FollowModeScheduleActionStartSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.FollowPoint !== undefined) {
-    bodyParams["followPoint"] = input.FollowPoint;
-  }
-  if (input.ReferenceActionName !== undefined) {
-    bodyParams["referenceActionName"] = input.ReferenceActionName;
-  }
-  return bodyParams;
+  return {
+    ...(input.FollowPoint !== undefined && { followPoint: input.FollowPoint }),
+    ...(input.ReferenceActionName !== undefined && {
+      referenceActionName: input.ReferenceActionName
+    })
+  };
 };
 
 const serializeAws_restJson1_1FrameCaptureGroupSettings = (
   input: FrameCaptureGroupSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Destination !== undefined) {
-    bodyParams["destination"] = serializeAws_restJson1_1OutputLocationRef(
-      input.Destination,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Destination !== undefined && {
+      destination: serializeAws_restJson1_1OutputLocationRef(
+        input.Destination,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1FrameCaptureOutputSettings = (
   input: FrameCaptureOutputSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.NameModifier !== undefined) {
-    bodyParams["nameModifier"] = input.NameModifier;
-  }
-  return bodyParams;
+  return {
+    ...(input.NameModifier !== undefined && {
+      nameModifier: input.NameModifier
+    })
+  };
 };
 
 const serializeAws_restJson1_1FrameCaptureSettings = (
   input: FrameCaptureSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CaptureInterval !== undefined) {
-    bodyParams["captureInterval"] = input.CaptureInterval;
-  }
-  if (input.CaptureIntervalUnits !== undefined) {
-    bodyParams["captureIntervalUnits"] = input.CaptureIntervalUnits;
-  }
-  return bodyParams;
+  return {
+    ...(input.CaptureInterval !== undefined && {
+      captureInterval: input.CaptureInterval
+    }),
+    ...(input.CaptureIntervalUnits !== undefined && {
+      captureIntervalUnits: input.CaptureIntervalUnits
+    })
+  };
 };
 
 const serializeAws_restJson1_1GlobalConfiguration = (
   input: GlobalConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.InitialAudioGain !== undefined) {
-    bodyParams["initialAudioGain"] = input.InitialAudioGain;
-  }
-  if (input.InputEndAction !== undefined) {
-    bodyParams["inputEndAction"] = input.InputEndAction;
-  }
-  if (input.InputLossBehavior !== undefined) {
-    bodyParams["inputLossBehavior"] = serializeAws_restJson1_1InputLossBehavior(
-      input.InputLossBehavior,
-      context
-    );
-  }
-  if (input.OutputLockingMode !== undefined) {
-    bodyParams["outputLockingMode"] = input.OutputLockingMode;
-  }
-  if (input.OutputTimingSource !== undefined) {
-    bodyParams["outputTimingSource"] = input.OutputTimingSource;
-  }
-  if (input.SupportLowFramerateInputs !== undefined) {
-    bodyParams["supportLowFramerateInputs"] = input.SupportLowFramerateInputs;
-  }
-  return bodyParams;
+  return {
+    ...(input.InitialAudioGain !== undefined && {
+      initialAudioGain: input.InitialAudioGain
+    }),
+    ...(input.InputEndAction !== undefined && {
+      inputEndAction: input.InputEndAction
+    }),
+    ...(input.InputLossBehavior !== undefined && {
+      inputLossBehavior: serializeAws_restJson1_1InputLossBehavior(
+        input.InputLossBehavior,
+        context
+      )
+    }),
+    ...(input.OutputLockingMode !== undefined && {
+      outputLockingMode: input.OutputLockingMode
+    }),
+    ...(input.OutputTimingSource !== undefined && {
+      outputTimingSource: input.OutputTimingSource
+    }),
+    ...(input.SupportLowFramerateInputs !== undefined && {
+      supportLowFramerateInputs: input.SupportLowFramerateInputs
+    })
+  };
 };
 
 const serializeAws_restJson1_1H264ColorSpaceSettings = (
   input: H264ColorSpaceSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ColorSpacePassthroughSettings !== undefined) {
-    bodyParams[
-      "colorSpacePassthroughSettings"
-    ] = serializeAws_restJson1_1ColorSpacePassthroughSettings(
-      input.ColorSpacePassthroughSettings,
-      context
-    );
-  }
-  if (input.Rec601Settings !== undefined) {
-    bodyParams["rec601Settings"] = serializeAws_restJson1_1Rec601Settings(
-      input.Rec601Settings,
-      context
-    );
-  }
-  if (input.Rec709Settings !== undefined) {
-    bodyParams["rec709Settings"] = serializeAws_restJson1_1Rec709Settings(
-      input.Rec709Settings,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ColorSpacePassthroughSettings !== undefined && {
+      colorSpacePassthroughSettings: serializeAws_restJson1_1ColorSpacePassthroughSettings(
+        input.ColorSpacePassthroughSettings,
+        context
+      )
+    }),
+    ...(input.Rec601Settings !== undefined && {
+      rec601Settings: serializeAws_restJson1_1Rec601Settings(
+        input.Rec601Settings,
+        context
+      )
+    }),
+    ...(input.Rec709Settings !== undefined && {
+      rec709Settings: serializeAws_restJson1_1Rec709Settings(
+        input.Rec709Settings,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1H264Settings = (
   input: H264Settings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AdaptiveQuantization !== undefined) {
-    bodyParams["adaptiveQuantization"] = input.AdaptiveQuantization;
-  }
-  if (input.AfdSignaling !== undefined) {
-    bodyParams["afdSignaling"] = input.AfdSignaling;
-  }
-  if (input.Bitrate !== undefined) {
-    bodyParams["bitrate"] = input.Bitrate;
-  }
-  if (input.BufFillPct !== undefined) {
-    bodyParams["bufFillPct"] = input.BufFillPct;
-  }
-  if (input.BufSize !== undefined) {
-    bodyParams["bufSize"] = input.BufSize;
-  }
-  if (input.ColorMetadata !== undefined) {
-    bodyParams["colorMetadata"] = input.ColorMetadata;
-  }
-  if (input.ColorSpaceSettings !== undefined) {
-    bodyParams[
-      "colorSpaceSettings"
-    ] = serializeAws_restJson1_1H264ColorSpaceSettings(
-      input.ColorSpaceSettings,
-      context
-    );
-  }
-  if (input.EntropyEncoding !== undefined) {
-    bodyParams["entropyEncoding"] = input.EntropyEncoding;
-  }
-  if (input.FixedAfd !== undefined) {
-    bodyParams["fixedAfd"] = input.FixedAfd;
-  }
-  if (input.FlickerAq !== undefined) {
-    bodyParams["flickerAq"] = input.FlickerAq;
-  }
-  if (input.FramerateControl !== undefined) {
-    bodyParams["framerateControl"] = input.FramerateControl;
-  }
-  if (input.FramerateDenominator !== undefined) {
-    bodyParams["framerateDenominator"] = input.FramerateDenominator;
-  }
-  if (input.FramerateNumerator !== undefined) {
-    bodyParams["framerateNumerator"] = input.FramerateNumerator;
-  }
-  if (input.GopBReference !== undefined) {
-    bodyParams["gopBReference"] = input.GopBReference;
-  }
-  if (input.GopClosedCadence !== undefined) {
-    bodyParams["gopClosedCadence"] = input.GopClosedCadence;
-  }
-  if (input.GopNumBFrames !== undefined) {
-    bodyParams["gopNumBFrames"] = input.GopNumBFrames;
-  }
-  if (input.GopSize !== undefined) {
-    bodyParams["gopSize"] = input.GopSize;
-  }
-  if (input.GopSizeUnits !== undefined) {
-    bodyParams["gopSizeUnits"] = input.GopSizeUnits;
-  }
-  if (input.Level !== undefined) {
-    bodyParams["level"] = input.Level;
-  }
-  if (input.LookAheadRateControl !== undefined) {
-    bodyParams["lookAheadRateControl"] = input.LookAheadRateControl;
-  }
-  if (input.MaxBitrate !== undefined) {
-    bodyParams["maxBitrate"] = input.MaxBitrate;
-  }
-  if (input.MinIInterval !== undefined) {
-    bodyParams["minIInterval"] = input.MinIInterval;
-  }
-  if (input.NumRefFrames !== undefined) {
-    bodyParams["numRefFrames"] = input.NumRefFrames;
-  }
-  if (input.ParControl !== undefined) {
-    bodyParams["parControl"] = input.ParControl;
-  }
-  if (input.ParDenominator !== undefined) {
-    bodyParams["parDenominator"] = input.ParDenominator;
-  }
-  if (input.ParNumerator !== undefined) {
-    bodyParams["parNumerator"] = input.ParNumerator;
-  }
-  if (input.Profile !== undefined) {
-    bodyParams["profile"] = input.Profile;
-  }
-  if (input.QvbrQualityLevel !== undefined) {
-    bodyParams["qvbrQualityLevel"] = input.QvbrQualityLevel;
-  }
-  if (input.RateControlMode !== undefined) {
-    bodyParams["rateControlMode"] = input.RateControlMode;
-  }
-  if (input.ScanType !== undefined) {
-    bodyParams["scanType"] = input.ScanType;
-  }
-  if (input.SceneChangeDetect !== undefined) {
-    bodyParams["sceneChangeDetect"] = input.SceneChangeDetect;
-  }
-  if (input.Slices !== undefined) {
-    bodyParams["slices"] = input.Slices;
-  }
-  if (input.Softness !== undefined) {
-    bodyParams["softness"] = input.Softness;
-  }
-  if (input.SpatialAq !== undefined) {
-    bodyParams["spatialAq"] = input.SpatialAq;
-  }
-  if (input.SubgopLength !== undefined) {
-    bodyParams["subgopLength"] = input.SubgopLength;
-  }
-  if (input.Syntax !== undefined) {
-    bodyParams["syntax"] = input.Syntax;
-  }
-  if (input.TemporalAq !== undefined) {
-    bodyParams["temporalAq"] = input.TemporalAq;
-  }
-  if (input.TimecodeInsertion !== undefined) {
-    bodyParams["timecodeInsertion"] = input.TimecodeInsertion;
-  }
-  return bodyParams;
+  return {
+    ...(input.AdaptiveQuantization !== undefined && {
+      adaptiveQuantization: input.AdaptiveQuantization
+    }),
+    ...(input.AfdSignaling !== undefined && {
+      afdSignaling: input.AfdSignaling
+    }),
+    ...(input.Bitrate !== undefined && { bitrate: input.Bitrate }),
+    ...(input.BufFillPct !== undefined && { bufFillPct: input.BufFillPct }),
+    ...(input.BufSize !== undefined && { bufSize: input.BufSize }),
+    ...(input.ColorMetadata !== undefined && {
+      colorMetadata: input.ColorMetadata
+    }),
+    ...(input.ColorSpaceSettings !== undefined && {
+      colorSpaceSettings: serializeAws_restJson1_1H264ColorSpaceSettings(
+        input.ColorSpaceSettings,
+        context
+      )
+    }),
+    ...(input.EntropyEncoding !== undefined && {
+      entropyEncoding: input.EntropyEncoding
+    }),
+    ...(input.FixedAfd !== undefined && { fixedAfd: input.FixedAfd }),
+    ...(input.FlickerAq !== undefined && { flickerAq: input.FlickerAq }),
+    ...(input.FramerateControl !== undefined && {
+      framerateControl: input.FramerateControl
+    }),
+    ...(input.FramerateDenominator !== undefined && {
+      framerateDenominator: input.FramerateDenominator
+    }),
+    ...(input.FramerateNumerator !== undefined && {
+      framerateNumerator: input.FramerateNumerator
+    }),
+    ...(input.GopBReference !== undefined && {
+      gopBReference: input.GopBReference
+    }),
+    ...(input.GopClosedCadence !== undefined && {
+      gopClosedCadence: input.GopClosedCadence
+    }),
+    ...(input.GopNumBFrames !== undefined && {
+      gopNumBFrames: input.GopNumBFrames
+    }),
+    ...(input.GopSize !== undefined && { gopSize: input.GopSize }),
+    ...(input.GopSizeUnits !== undefined && {
+      gopSizeUnits: input.GopSizeUnits
+    }),
+    ...(input.Level !== undefined && { level: input.Level }),
+    ...(input.LookAheadRateControl !== undefined && {
+      lookAheadRateControl: input.LookAheadRateControl
+    }),
+    ...(input.MaxBitrate !== undefined && { maxBitrate: input.MaxBitrate }),
+    ...(input.MinIInterval !== undefined && {
+      minIInterval: input.MinIInterval
+    }),
+    ...(input.NumRefFrames !== undefined && {
+      numRefFrames: input.NumRefFrames
+    }),
+    ...(input.ParControl !== undefined && { parControl: input.ParControl }),
+    ...(input.ParDenominator !== undefined && {
+      parDenominator: input.ParDenominator
+    }),
+    ...(input.ParNumerator !== undefined && {
+      parNumerator: input.ParNumerator
+    }),
+    ...(input.Profile !== undefined && { profile: input.Profile }),
+    ...(input.QvbrQualityLevel !== undefined && {
+      qvbrQualityLevel: input.QvbrQualityLevel
+    }),
+    ...(input.RateControlMode !== undefined && {
+      rateControlMode: input.RateControlMode
+    }),
+    ...(input.ScanType !== undefined && { scanType: input.ScanType }),
+    ...(input.SceneChangeDetect !== undefined && {
+      sceneChangeDetect: input.SceneChangeDetect
+    }),
+    ...(input.Slices !== undefined && { slices: input.Slices }),
+    ...(input.Softness !== undefined && { softness: input.Softness }),
+    ...(input.SpatialAq !== undefined && { spatialAq: input.SpatialAq }),
+    ...(input.SubgopLength !== undefined && {
+      subgopLength: input.SubgopLength
+    }),
+    ...(input.Syntax !== undefined && { syntax: input.Syntax }),
+    ...(input.TemporalAq !== undefined && { temporalAq: input.TemporalAq }),
+    ...(input.TimecodeInsertion !== undefined && {
+      timecodeInsertion: input.TimecodeInsertion
+    })
+  };
 };
 
 const serializeAws_restJson1_1H265ColorSpaceSettings = (
   input: H265ColorSpaceSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ColorSpacePassthroughSettings !== undefined) {
-    bodyParams[
-      "colorSpacePassthroughSettings"
-    ] = serializeAws_restJson1_1ColorSpacePassthroughSettings(
-      input.ColorSpacePassthroughSettings,
-      context
-    );
-  }
-  if (input.Hdr10Settings !== undefined) {
-    bodyParams["hdr10Settings"] = serializeAws_restJson1_1Hdr10Settings(
-      input.Hdr10Settings,
-      context
-    );
-  }
-  if (input.Rec601Settings !== undefined) {
-    bodyParams["rec601Settings"] = serializeAws_restJson1_1Rec601Settings(
-      input.Rec601Settings,
-      context
-    );
-  }
-  if (input.Rec709Settings !== undefined) {
-    bodyParams["rec709Settings"] = serializeAws_restJson1_1Rec709Settings(
-      input.Rec709Settings,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ColorSpacePassthroughSettings !== undefined && {
+      colorSpacePassthroughSettings: serializeAws_restJson1_1ColorSpacePassthroughSettings(
+        input.ColorSpacePassthroughSettings,
+        context
+      )
+    }),
+    ...(input.Hdr10Settings !== undefined && {
+      hdr10Settings: serializeAws_restJson1_1Hdr10Settings(
+        input.Hdr10Settings,
+        context
+      )
+    }),
+    ...(input.Rec601Settings !== undefined && {
+      rec601Settings: serializeAws_restJson1_1Rec601Settings(
+        input.Rec601Settings,
+        context
+      )
+    }),
+    ...(input.Rec709Settings !== undefined && {
+      rec709Settings: serializeAws_restJson1_1Rec709Settings(
+        input.Rec709Settings,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1H265Settings = (
   input: H265Settings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AdaptiveQuantization !== undefined) {
-    bodyParams["adaptiveQuantization"] = input.AdaptiveQuantization;
-  }
-  if (input.AfdSignaling !== undefined) {
-    bodyParams["afdSignaling"] = input.AfdSignaling;
-  }
-  if (input.AlternativeTransferFunction !== undefined) {
-    bodyParams["alternativeTransferFunction"] =
-      input.AlternativeTransferFunction;
-  }
-  if (input.Bitrate !== undefined) {
-    bodyParams["bitrate"] = input.Bitrate;
-  }
-  if (input.BufSize !== undefined) {
-    bodyParams["bufSize"] = input.BufSize;
-  }
-  if (input.ColorMetadata !== undefined) {
-    bodyParams["colorMetadata"] = input.ColorMetadata;
-  }
-  if (input.ColorSpaceSettings !== undefined) {
-    bodyParams[
-      "colorSpaceSettings"
-    ] = serializeAws_restJson1_1H265ColorSpaceSettings(
-      input.ColorSpaceSettings,
-      context
-    );
-  }
-  if (input.FixedAfd !== undefined) {
-    bodyParams["fixedAfd"] = input.FixedAfd;
-  }
-  if (input.FlickerAq !== undefined) {
-    bodyParams["flickerAq"] = input.FlickerAq;
-  }
-  if (input.FramerateDenominator !== undefined) {
-    bodyParams["framerateDenominator"] = input.FramerateDenominator;
-  }
-  if (input.FramerateNumerator !== undefined) {
-    bodyParams["framerateNumerator"] = input.FramerateNumerator;
-  }
-  if (input.GopClosedCadence !== undefined) {
-    bodyParams["gopClosedCadence"] = input.GopClosedCadence;
-  }
-  if (input.GopSize !== undefined) {
-    bodyParams["gopSize"] = input.GopSize;
-  }
-  if (input.GopSizeUnits !== undefined) {
-    bodyParams["gopSizeUnits"] = input.GopSizeUnits;
-  }
-  if (input.Level !== undefined) {
-    bodyParams["level"] = input.Level;
-  }
-  if (input.LookAheadRateControl !== undefined) {
-    bodyParams["lookAheadRateControl"] = input.LookAheadRateControl;
-  }
-  if (input.MaxBitrate !== undefined) {
-    bodyParams["maxBitrate"] = input.MaxBitrate;
-  }
-  if (input.MinIInterval !== undefined) {
-    bodyParams["minIInterval"] = input.MinIInterval;
-  }
-  if (input.ParDenominator !== undefined) {
-    bodyParams["parDenominator"] = input.ParDenominator;
-  }
-  if (input.ParNumerator !== undefined) {
-    bodyParams["parNumerator"] = input.ParNumerator;
-  }
-  if (input.Profile !== undefined) {
-    bodyParams["profile"] = input.Profile;
-  }
-  if (input.QvbrQualityLevel !== undefined) {
-    bodyParams["qvbrQualityLevel"] = input.QvbrQualityLevel;
-  }
-  if (input.RateControlMode !== undefined) {
-    bodyParams["rateControlMode"] = input.RateControlMode;
-  }
-  if (input.ScanType !== undefined) {
-    bodyParams["scanType"] = input.ScanType;
-  }
-  if (input.SceneChangeDetect !== undefined) {
-    bodyParams["sceneChangeDetect"] = input.SceneChangeDetect;
-  }
-  if (input.Slices !== undefined) {
-    bodyParams["slices"] = input.Slices;
-  }
-  if (input.Tier !== undefined) {
-    bodyParams["tier"] = input.Tier;
-  }
-  if (input.TimecodeInsertion !== undefined) {
-    bodyParams["timecodeInsertion"] = input.TimecodeInsertion;
-  }
-  return bodyParams;
+  return {
+    ...(input.AdaptiveQuantization !== undefined && {
+      adaptiveQuantization: input.AdaptiveQuantization
+    }),
+    ...(input.AfdSignaling !== undefined && {
+      afdSignaling: input.AfdSignaling
+    }),
+    ...(input.AlternativeTransferFunction !== undefined && {
+      alternativeTransferFunction: input.AlternativeTransferFunction
+    }),
+    ...(input.Bitrate !== undefined && { bitrate: input.Bitrate }),
+    ...(input.BufSize !== undefined && { bufSize: input.BufSize }),
+    ...(input.ColorMetadata !== undefined && {
+      colorMetadata: input.ColorMetadata
+    }),
+    ...(input.ColorSpaceSettings !== undefined && {
+      colorSpaceSettings: serializeAws_restJson1_1H265ColorSpaceSettings(
+        input.ColorSpaceSettings,
+        context
+      )
+    }),
+    ...(input.FixedAfd !== undefined && { fixedAfd: input.FixedAfd }),
+    ...(input.FlickerAq !== undefined && { flickerAq: input.FlickerAq }),
+    ...(input.FramerateDenominator !== undefined && {
+      framerateDenominator: input.FramerateDenominator
+    }),
+    ...(input.FramerateNumerator !== undefined && {
+      framerateNumerator: input.FramerateNumerator
+    }),
+    ...(input.GopClosedCadence !== undefined && {
+      gopClosedCadence: input.GopClosedCadence
+    }),
+    ...(input.GopSize !== undefined && { gopSize: input.GopSize }),
+    ...(input.GopSizeUnits !== undefined && {
+      gopSizeUnits: input.GopSizeUnits
+    }),
+    ...(input.Level !== undefined && { level: input.Level }),
+    ...(input.LookAheadRateControl !== undefined && {
+      lookAheadRateControl: input.LookAheadRateControl
+    }),
+    ...(input.MaxBitrate !== undefined && { maxBitrate: input.MaxBitrate }),
+    ...(input.MinIInterval !== undefined && {
+      minIInterval: input.MinIInterval
+    }),
+    ...(input.ParDenominator !== undefined && {
+      parDenominator: input.ParDenominator
+    }),
+    ...(input.ParNumerator !== undefined && {
+      parNumerator: input.ParNumerator
+    }),
+    ...(input.Profile !== undefined && { profile: input.Profile }),
+    ...(input.QvbrQualityLevel !== undefined && {
+      qvbrQualityLevel: input.QvbrQualityLevel
+    }),
+    ...(input.RateControlMode !== undefined && {
+      rateControlMode: input.RateControlMode
+    }),
+    ...(input.ScanType !== undefined && { scanType: input.ScanType }),
+    ...(input.SceneChangeDetect !== undefined && {
+      sceneChangeDetect: input.SceneChangeDetect
+    }),
+    ...(input.Slices !== undefined && { slices: input.Slices }),
+    ...(input.Tier !== undefined && { tier: input.Tier }),
+    ...(input.TimecodeInsertion !== undefined && {
+      timecodeInsertion: input.TimecodeInsertion
+    })
+  };
 };
 
 const serializeAws_restJson1_1Hdr10Settings = (
   input: Hdr10Settings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxCll !== undefined) {
-    bodyParams["maxCll"] = input.MaxCll;
-  }
-  if (input.MaxFall !== undefined) {
-    bodyParams["maxFall"] = input.MaxFall;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxCll !== undefined && { maxCll: input.MaxCll }),
+    ...(input.MaxFall !== undefined && { maxFall: input.MaxFall })
+  };
 };
 
 const serializeAws_restJson1_1HlsAkamaiSettings = (
   input: HlsAkamaiSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ConnectionRetryInterval !== undefined) {
-    bodyParams["connectionRetryInterval"] = input.ConnectionRetryInterval;
-  }
-  if (input.FilecacheDuration !== undefined) {
-    bodyParams["filecacheDuration"] = input.FilecacheDuration;
-  }
-  if (input.HttpTransferMode !== undefined) {
-    bodyParams["httpTransferMode"] = input.HttpTransferMode;
-  }
-  if (input.NumRetries !== undefined) {
-    bodyParams["numRetries"] = input.NumRetries;
-  }
-  if (input.RestartDelay !== undefined) {
-    bodyParams["restartDelay"] = input.RestartDelay;
-  }
-  if (input.Salt !== undefined) {
-    bodyParams["salt"] = input.Salt;
-  }
-  if (input.Token !== undefined) {
-    bodyParams["token"] = input.Token;
-  }
-  return bodyParams;
+  return {
+    ...(input.ConnectionRetryInterval !== undefined && {
+      connectionRetryInterval: input.ConnectionRetryInterval
+    }),
+    ...(input.FilecacheDuration !== undefined && {
+      filecacheDuration: input.FilecacheDuration
+    }),
+    ...(input.HttpTransferMode !== undefined && {
+      httpTransferMode: input.HttpTransferMode
+    }),
+    ...(input.NumRetries !== undefined && { numRetries: input.NumRetries }),
+    ...(input.RestartDelay !== undefined && {
+      restartDelay: input.RestartDelay
+    }),
+    ...(input.Salt !== undefined && { salt: input.Salt }),
+    ...(input.Token !== undefined && { token: input.Token })
+  };
 };
 
 const serializeAws_restJson1_1HlsBasicPutSettings = (
   input: HlsBasicPutSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ConnectionRetryInterval !== undefined) {
-    bodyParams["connectionRetryInterval"] = input.ConnectionRetryInterval;
-  }
-  if (input.FilecacheDuration !== undefined) {
-    bodyParams["filecacheDuration"] = input.FilecacheDuration;
-  }
-  if (input.NumRetries !== undefined) {
-    bodyParams["numRetries"] = input.NumRetries;
-  }
-  if (input.RestartDelay !== undefined) {
-    bodyParams["restartDelay"] = input.RestartDelay;
-  }
-  return bodyParams;
+  return {
+    ...(input.ConnectionRetryInterval !== undefined && {
+      connectionRetryInterval: input.ConnectionRetryInterval
+    }),
+    ...(input.FilecacheDuration !== undefined && {
+      filecacheDuration: input.FilecacheDuration
+    }),
+    ...(input.NumRetries !== undefined && { numRetries: input.NumRetries }),
+    ...(input.RestartDelay !== undefined && {
+      restartDelay: input.RestartDelay
+    })
+  };
 };
 
 const serializeAws_restJson1_1HlsCdnSettings = (
   input: HlsCdnSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.HlsAkamaiSettings !== undefined) {
-    bodyParams["hlsAkamaiSettings"] = serializeAws_restJson1_1HlsAkamaiSettings(
-      input.HlsAkamaiSettings,
-      context
-    );
-  }
-  if (input.HlsBasicPutSettings !== undefined) {
-    bodyParams[
-      "hlsBasicPutSettings"
-    ] = serializeAws_restJson1_1HlsBasicPutSettings(
-      input.HlsBasicPutSettings,
-      context
-    );
-  }
-  if (input.HlsMediaStoreSettings !== undefined) {
-    bodyParams[
-      "hlsMediaStoreSettings"
-    ] = serializeAws_restJson1_1HlsMediaStoreSettings(
-      input.HlsMediaStoreSettings,
-      context
-    );
-  }
-  if (input.HlsWebdavSettings !== undefined) {
-    bodyParams["hlsWebdavSettings"] = serializeAws_restJson1_1HlsWebdavSettings(
-      input.HlsWebdavSettings,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.HlsAkamaiSettings !== undefined && {
+      hlsAkamaiSettings: serializeAws_restJson1_1HlsAkamaiSettings(
+        input.HlsAkamaiSettings,
+        context
+      )
+    }),
+    ...(input.HlsBasicPutSettings !== undefined && {
+      hlsBasicPutSettings: serializeAws_restJson1_1HlsBasicPutSettings(
+        input.HlsBasicPutSettings,
+        context
+      )
+    }),
+    ...(input.HlsMediaStoreSettings !== undefined && {
+      hlsMediaStoreSettings: serializeAws_restJson1_1HlsMediaStoreSettings(
+        input.HlsMediaStoreSettings,
+        context
+      )
+    }),
+    ...(input.HlsWebdavSettings !== undefined && {
+      hlsWebdavSettings: serializeAws_restJson1_1HlsWebdavSettings(
+        input.HlsWebdavSettings,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1HlsGroupSettings = (
   input: HlsGroupSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AdMarkers !== undefined) {
-    bodyParams["adMarkers"] = serializeAws_restJson1_1__listOfHlsAdMarkers(
-      input.AdMarkers,
-      context
-    );
-  }
-  if (input.BaseUrlContent !== undefined) {
-    bodyParams["baseUrlContent"] = input.BaseUrlContent;
-  }
-  if (input.BaseUrlContent1 !== undefined) {
-    bodyParams["baseUrlContent1"] = input.BaseUrlContent1;
-  }
-  if (input.BaseUrlManifest !== undefined) {
-    bodyParams["baseUrlManifest"] = input.BaseUrlManifest;
-  }
-  if (input.BaseUrlManifest1 !== undefined) {
-    bodyParams["baseUrlManifest1"] = input.BaseUrlManifest1;
-  }
-  if (input.CaptionLanguageMappings !== undefined) {
-    bodyParams[
-      "captionLanguageMappings"
-    ] = serializeAws_restJson1_1__listOfCaptionLanguageMapping(
-      input.CaptionLanguageMappings,
-      context
-    );
-  }
-  if (input.CaptionLanguageSetting !== undefined) {
-    bodyParams["captionLanguageSetting"] = input.CaptionLanguageSetting;
-  }
-  if (input.ClientCache !== undefined) {
-    bodyParams["clientCache"] = input.ClientCache;
-  }
-  if (input.CodecSpecification !== undefined) {
-    bodyParams["codecSpecification"] = input.CodecSpecification;
-  }
-  if (input.ConstantIv !== undefined) {
-    bodyParams["constantIv"] = input.ConstantIv;
-  }
-  if (input.Destination !== undefined) {
-    bodyParams["destination"] = serializeAws_restJson1_1OutputLocationRef(
-      input.Destination,
-      context
-    );
-  }
-  if (input.DirectoryStructure !== undefined) {
-    bodyParams["directoryStructure"] = input.DirectoryStructure;
-  }
-  if (input.EncryptionType !== undefined) {
-    bodyParams["encryptionType"] = input.EncryptionType;
-  }
-  if (input.HlsCdnSettings !== undefined) {
-    bodyParams["hlsCdnSettings"] = serializeAws_restJson1_1HlsCdnSettings(
-      input.HlsCdnSettings,
-      context
-    );
-  }
-  if (input.HlsId3SegmentTagging !== undefined) {
-    bodyParams["hlsId3SegmentTagging"] = input.HlsId3SegmentTagging;
-  }
-  if (input.IFrameOnlyPlaylists !== undefined) {
-    bodyParams["iFrameOnlyPlaylists"] = input.IFrameOnlyPlaylists;
-  }
-  if (input.IndexNSegments !== undefined) {
-    bodyParams["indexNSegments"] = input.IndexNSegments;
-  }
-  if (input.InputLossAction !== undefined) {
-    bodyParams["inputLossAction"] = input.InputLossAction;
-  }
-  if (input.IvInManifest !== undefined) {
-    bodyParams["ivInManifest"] = input.IvInManifest;
-  }
-  if (input.IvSource !== undefined) {
-    bodyParams["ivSource"] = input.IvSource;
-  }
-  if (input.KeepSegments !== undefined) {
-    bodyParams["keepSegments"] = input.KeepSegments;
-  }
-  if (input.KeyFormat !== undefined) {
-    bodyParams["keyFormat"] = input.KeyFormat;
-  }
-  if (input.KeyFormatVersions !== undefined) {
-    bodyParams["keyFormatVersions"] = input.KeyFormatVersions;
-  }
-  if (input.KeyProviderSettings !== undefined) {
-    bodyParams[
-      "keyProviderSettings"
-    ] = serializeAws_restJson1_1KeyProviderSettings(
-      input.KeyProviderSettings,
-      context
-    );
-  }
-  if (input.ManifestCompression !== undefined) {
-    bodyParams["manifestCompression"] = input.ManifestCompression;
-  }
-  if (input.ManifestDurationFormat !== undefined) {
-    bodyParams["manifestDurationFormat"] = input.ManifestDurationFormat;
-  }
-  if (input.MinSegmentLength !== undefined) {
-    bodyParams["minSegmentLength"] = input.MinSegmentLength;
-  }
-  if (input.Mode !== undefined) {
-    bodyParams["mode"] = input.Mode;
-  }
-  if (input.OutputSelection !== undefined) {
-    bodyParams["outputSelection"] = input.OutputSelection;
-  }
-  if (input.ProgramDateTime !== undefined) {
-    bodyParams["programDateTime"] = input.ProgramDateTime;
-  }
-  if (input.ProgramDateTimePeriod !== undefined) {
-    bodyParams["programDateTimePeriod"] = input.ProgramDateTimePeriod;
-  }
-  if (input.RedundantManifest !== undefined) {
-    bodyParams["redundantManifest"] = input.RedundantManifest;
-  }
-  if (input.SegmentLength !== undefined) {
-    bodyParams["segmentLength"] = input.SegmentLength;
-  }
-  if (input.SegmentationMode !== undefined) {
-    bodyParams["segmentationMode"] = input.SegmentationMode;
-  }
-  if (input.SegmentsPerSubdirectory !== undefined) {
-    bodyParams["segmentsPerSubdirectory"] = input.SegmentsPerSubdirectory;
-  }
-  if (input.StreamInfResolution !== undefined) {
-    bodyParams["streamInfResolution"] = input.StreamInfResolution;
-  }
-  if (input.TimedMetadataId3Frame !== undefined) {
-    bodyParams["timedMetadataId3Frame"] = input.TimedMetadataId3Frame;
-  }
-  if (input.TimedMetadataId3Period !== undefined) {
-    bodyParams["timedMetadataId3Period"] = input.TimedMetadataId3Period;
-  }
-  if (input.TimestampDeltaMilliseconds !== undefined) {
-    bodyParams["timestampDeltaMilliseconds"] = input.TimestampDeltaMilliseconds;
-  }
-  if (input.TsFileMode !== undefined) {
-    bodyParams["tsFileMode"] = input.TsFileMode;
-  }
-  return bodyParams;
+  return {
+    ...(input.AdMarkers !== undefined && {
+      adMarkers: serializeAws_restJson1_1__listOfHlsAdMarkers(
+        input.AdMarkers,
+        context
+      )
+    }),
+    ...(input.BaseUrlContent !== undefined && {
+      baseUrlContent: input.BaseUrlContent
+    }),
+    ...(input.BaseUrlContent1 !== undefined && {
+      baseUrlContent1: input.BaseUrlContent1
+    }),
+    ...(input.BaseUrlManifest !== undefined && {
+      baseUrlManifest: input.BaseUrlManifest
+    }),
+    ...(input.BaseUrlManifest1 !== undefined && {
+      baseUrlManifest1: input.BaseUrlManifest1
+    }),
+    ...(input.CaptionLanguageMappings !== undefined && {
+      captionLanguageMappings: serializeAws_restJson1_1__listOfCaptionLanguageMapping(
+        input.CaptionLanguageMappings,
+        context
+      )
+    }),
+    ...(input.CaptionLanguageSetting !== undefined && {
+      captionLanguageSetting: input.CaptionLanguageSetting
+    }),
+    ...(input.ClientCache !== undefined && { clientCache: input.ClientCache }),
+    ...(input.CodecSpecification !== undefined && {
+      codecSpecification: input.CodecSpecification
+    }),
+    ...(input.ConstantIv !== undefined && { constantIv: input.ConstantIv }),
+    ...(input.Destination !== undefined && {
+      destination: serializeAws_restJson1_1OutputLocationRef(
+        input.Destination,
+        context
+      )
+    }),
+    ...(input.DirectoryStructure !== undefined && {
+      directoryStructure: input.DirectoryStructure
+    }),
+    ...(input.EncryptionType !== undefined && {
+      encryptionType: input.EncryptionType
+    }),
+    ...(input.HlsCdnSettings !== undefined && {
+      hlsCdnSettings: serializeAws_restJson1_1HlsCdnSettings(
+        input.HlsCdnSettings,
+        context
+      )
+    }),
+    ...(input.HlsId3SegmentTagging !== undefined && {
+      hlsId3SegmentTagging: input.HlsId3SegmentTagging
+    }),
+    ...(input.IFrameOnlyPlaylists !== undefined && {
+      iFrameOnlyPlaylists: input.IFrameOnlyPlaylists
+    }),
+    ...(input.IndexNSegments !== undefined && {
+      indexNSegments: input.IndexNSegments
+    }),
+    ...(input.InputLossAction !== undefined && {
+      inputLossAction: input.InputLossAction
+    }),
+    ...(input.IvInManifest !== undefined && {
+      ivInManifest: input.IvInManifest
+    }),
+    ...(input.IvSource !== undefined && { ivSource: input.IvSource }),
+    ...(input.KeepSegments !== undefined && {
+      keepSegments: input.KeepSegments
+    }),
+    ...(input.KeyFormat !== undefined && { keyFormat: input.KeyFormat }),
+    ...(input.KeyFormatVersions !== undefined && {
+      keyFormatVersions: input.KeyFormatVersions
+    }),
+    ...(input.KeyProviderSettings !== undefined && {
+      keyProviderSettings: serializeAws_restJson1_1KeyProviderSettings(
+        input.KeyProviderSettings,
+        context
+      )
+    }),
+    ...(input.ManifestCompression !== undefined && {
+      manifestCompression: input.ManifestCompression
+    }),
+    ...(input.ManifestDurationFormat !== undefined && {
+      manifestDurationFormat: input.ManifestDurationFormat
+    }),
+    ...(input.MinSegmentLength !== undefined && {
+      minSegmentLength: input.MinSegmentLength
+    }),
+    ...(input.Mode !== undefined && { mode: input.Mode }),
+    ...(input.OutputSelection !== undefined && {
+      outputSelection: input.OutputSelection
+    }),
+    ...(input.ProgramDateTime !== undefined && {
+      programDateTime: input.ProgramDateTime
+    }),
+    ...(input.ProgramDateTimePeriod !== undefined && {
+      programDateTimePeriod: input.ProgramDateTimePeriod
+    }),
+    ...(input.RedundantManifest !== undefined && {
+      redundantManifest: input.RedundantManifest
+    }),
+    ...(input.SegmentLength !== undefined && {
+      segmentLength: input.SegmentLength
+    }),
+    ...(input.SegmentationMode !== undefined && {
+      segmentationMode: input.SegmentationMode
+    }),
+    ...(input.SegmentsPerSubdirectory !== undefined && {
+      segmentsPerSubdirectory: input.SegmentsPerSubdirectory
+    }),
+    ...(input.StreamInfResolution !== undefined && {
+      streamInfResolution: input.StreamInfResolution
+    }),
+    ...(input.TimedMetadataId3Frame !== undefined && {
+      timedMetadataId3Frame: input.TimedMetadataId3Frame
+    }),
+    ...(input.TimedMetadataId3Period !== undefined && {
+      timedMetadataId3Period: input.TimedMetadataId3Period
+    }),
+    ...(input.TimestampDeltaMilliseconds !== undefined && {
+      timestampDeltaMilliseconds: input.TimestampDeltaMilliseconds
+    }),
+    ...(input.TsFileMode !== undefined && { tsFileMode: input.TsFileMode })
+  };
 };
 
 const serializeAws_restJson1_1HlsId3SegmentTaggingScheduleActionSettings = (
   input: HlsId3SegmentTaggingScheduleActionSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Tag !== undefined) {
-    bodyParams["tag"] = input.Tag;
-  }
-  return bodyParams;
+  return {
+    ...(input.Tag !== undefined && { tag: input.Tag })
+  };
 };
 
 const serializeAws_restJson1_1HlsInputSettings = (
   input: HlsInputSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Bandwidth !== undefined) {
-    bodyParams["bandwidth"] = input.Bandwidth;
-  }
-  if (input.BufferSegments !== undefined) {
-    bodyParams["bufferSegments"] = input.BufferSegments;
-  }
-  if (input.Retries !== undefined) {
-    bodyParams["retries"] = input.Retries;
-  }
-  if (input.RetryInterval !== undefined) {
-    bodyParams["retryInterval"] = input.RetryInterval;
-  }
-  return bodyParams;
+  return {
+    ...(input.Bandwidth !== undefined && { bandwidth: input.Bandwidth }),
+    ...(input.BufferSegments !== undefined && {
+      bufferSegments: input.BufferSegments
+    }),
+    ...(input.Retries !== undefined && { retries: input.Retries }),
+    ...(input.RetryInterval !== undefined && {
+      retryInterval: input.RetryInterval
+    })
+  };
 };
 
 const serializeAws_restJson1_1HlsMediaStoreSettings = (
   input: HlsMediaStoreSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ConnectionRetryInterval !== undefined) {
-    bodyParams["connectionRetryInterval"] = input.ConnectionRetryInterval;
-  }
-  if (input.FilecacheDuration !== undefined) {
-    bodyParams["filecacheDuration"] = input.FilecacheDuration;
-  }
-  if (input.MediaStoreStorageClass !== undefined) {
-    bodyParams["mediaStoreStorageClass"] = input.MediaStoreStorageClass;
-  }
-  if (input.NumRetries !== undefined) {
-    bodyParams["numRetries"] = input.NumRetries;
-  }
-  if (input.RestartDelay !== undefined) {
-    bodyParams["restartDelay"] = input.RestartDelay;
-  }
-  return bodyParams;
+  return {
+    ...(input.ConnectionRetryInterval !== undefined && {
+      connectionRetryInterval: input.ConnectionRetryInterval
+    }),
+    ...(input.FilecacheDuration !== undefined && {
+      filecacheDuration: input.FilecacheDuration
+    }),
+    ...(input.MediaStoreStorageClass !== undefined && {
+      mediaStoreStorageClass: input.MediaStoreStorageClass
+    }),
+    ...(input.NumRetries !== undefined && { numRetries: input.NumRetries }),
+    ...(input.RestartDelay !== undefined && {
+      restartDelay: input.RestartDelay
+    })
+  };
 };
 
 const serializeAws_restJson1_1HlsOutputSettings = (
   input: HlsOutputSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.H265PackagingType !== undefined) {
-    bodyParams["h265PackagingType"] = input.H265PackagingType;
-  }
-  if (input.HlsSettings !== undefined) {
-    bodyParams["hlsSettings"] = serializeAws_restJson1_1HlsSettings(
-      input.HlsSettings,
-      context
-    );
-  }
-  if (input.NameModifier !== undefined) {
-    bodyParams["nameModifier"] = input.NameModifier;
-  }
-  if (input.SegmentModifier !== undefined) {
-    bodyParams["segmentModifier"] = input.SegmentModifier;
-  }
-  return bodyParams;
+  return {
+    ...(input.H265PackagingType !== undefined && {
+      h265PackagingType: input.H265PackagingType
+    }),
+    ...(input.HlsSettings !== undefined && {
+      hlsSettings: serializeAws_restJson1_1HlsSettings(
+        input.HlsSettings,
+        context
+      )
+    }),
+    ...(input.NameModifier !== undefined && {
+      nameModifier: input.NameModifier
+    }),
+    ...(input.SegmentModifier !== undefined && {
+      segmentModifier: input.SegmentModifier
+    })
+  };
 };
 
 const serializeAws_restJson1_1HlsSettings = (
   input: HlsSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AudioOnlyHlsSettings !== undefined) {
-    bodyParams[
-      "audioOnlyHlsSettings"
-    ] = serializeAws_restJson1_1AudioOnlyHlsSettings(
-      input.AudioOnlyHlsSettings,
-      context
-    );
-  }
-  if (input.Fmp4HlsSettings !== undefined) {
-    bodyParams["fmp4HlsSettings"] = serializeAws_restJson1_1Fmp4HlsSettings(
-      input.Fmp4HlsSettings,
-      context
-    );
-  }
-  if (input.StandardHlsSettings !== undefined) {
-    bodyParams[
-      "standardHlsSettings"
-    ] = serializeAws_restJson1_1StandardHlsSettings(
-      input.StandardHlsSettings,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.AudioOnlyHlsSettings !== undefined && {
+      audioOnlyHlsSettings: serializeAws_restJson1_1AudioOnlyHlsSettings(
+        input.AudioOnlyHlsSettings,
+        context
+      )
+    }),
+    ...(input.Fmp4HlsSettings !== undefined && {
+      fmp4HlsSettings: serializeAws_restJson1_1Fmp4HlsSettings(
+        input.Fmp4HlsSettings,
+        context
+      )
+    }),
+    ...(input.StandardHlsSettings !== undefined && {
+      standardHlsSettings: serializeAws_restJson1_1StandardHlsSettings(
+        input.StandardHlsSettings,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1HlsTimedMetadataScheduleActionSettings = (
   input: HlsTimedMetadataScheduleActionSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Id3 !== undefined) {
-    bodyParams["id3"] = input.Id3;
-  }
-  return bodyParams;
+  return {
+    ...(input.Id3 !== undefined && { id3: input.Id3 })
+  };
 };
 
 const serializeAws_restJson1_1HlsWebdavSettings = (
   input: HlsWebdavSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ConnectionRetryInterval !== undefined) {
-    bodyParams["connectionRetryInterval"] = input.ConnectionRetryInterval;
-  }
-  if (input.FilecacheDuration !== undefined) {
-    bodyParams["filecacheDuration"] = input.FilecacheDuration;
-  }
-  if (input.HttpTransferMode !== undefined) {
-    bodyParams["httpTransferMode"] = input.HttpTransferMode;
-  }
-  if (input.NumRetries !== undefined) {
-    bodyParams["numRetries"] = input.NumRetries;
-  }
-  if (input.RestartDelay !== undefined) {
-    bodyParams["restartDelay"] = input.RestartDelay;
-  }
-  return bodyParams;
+  return {
+    ...(input.ConnectionRetryInterval !== undefined && {
+      connectionRetryInterval: input.ConnectionRetryInterval
+    }),
+    ...(input.FilecacheDuration !== undefined && {
+      filecacheDuration: input.FilecacheDuration
+    }),
+    ...(input.HttpTransferMode !== undefined && {
+      httpTransferMode: input.HttpTransferMode
+    }),
+    ...(input.NumRetries !== undefined && { numRetries: input.NumRetries }),
+    ...(input.RestartDelay !== undefined && {
+      restartDelay: input.RestartDelay
+    })
+  };
 };
 
 const serializeAws_restJson1_1ImmediateModeScheduleActionStartSettings = (
   input: ImmediateModeScheduleActionStartSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  return bodyParams;
+  return {};
 };
 
 const serializeAws_restJson1_1InputAttachment = (
   input: InputAttachment,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.InputAttachmentName !== undefined) {
-    bodyParams["inputAttachmentName"] = input.InputAttachmentName;
-  }
-  if (input.InputId !== undefined) {
-    bodyParams["inputId"] = input.InputId;
-  }
-  if (input.InputSettings !== undefined) {
-    bodyParams["inputSettings"] = serializeAws_restJson1_1InputSettings(
-      input.InputSettings,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.InputAttachmentName !== undefined && {
+      inputAttachmentName: input.InputAttachmentName
+    }),
+    ...(input.InputId !== undefined && { inputId: input.InputId }),
+    ...(input.InputSettings !== undefined && {
+      inputSettings: serializeAws_restJson1_1InputSettings(
+        input.InputSettings,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1InputChannelLevel = (
   input: InputChannelLevel,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Gain !== undefined) {
-    bodyParams["gain"] = input.Gain;
-  }
-  if (input.InputChannel !== undefined) {
-    bodyParams["inputChannel"] = input.InputChannel;
-  }
-  return bodyParams;
+  return {
+    ...(input.Gain !== undefined && { gain: input.Gain }),
+    ...(input.InputChannel !== undefined && {
+      inputChannel: input.InputChannel
+    })
+  };
 };
 
 const serializeAws_restJson1_1InputClippingSettings = (
   input: InputClippingSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.InputTimecodeSource !== undefined) {
-    bodyParams["inputTimecodeSource"] = input.InputTimecodeSource;
-  }
-  if (input.StartTimecode !== undefined) {
-    bodyParams["startTimecode"] = serializeAws_restJson1_1StartTimecode(
-      input.StartTimecode,
-      context
-    );
-  }
-  if (input.StopTimecode !== undefined) {
-    bodyParams["stopTimecode"] = serializeAws_restJson1_1StopTimecode(
-      input.StopTimecode,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.InputTimecodeSource !== undefined && {
+      inputTimecodeSource: input.InputTimecodeSource
+    }),
+    ...(input.StartTimecode !== undefined && {
+      startTimecode: serializeAws_restJson1_1StartTimecode(
+        input.StartTimecode,
+        context
+      )
+    }),
+    ...(input.StopTimecode !== undefined && {
+      stopTimecode: serializeAws_restJson1_1StopTimecode(
+        input.StopTimecode,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1InputDestinationRequest = (
   input: InputDestinationRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.StreamName !== undefined) {
-    bodyParams["streamName"] = input.StreamName;
-  }
-  return bodyParams;
+  return {
+    ...(input.StreamName !== undefined && { streamName: input.StreamName })
+  };
 };
 
 const serializeAws_restJson1_1InputLocation = (
   input: InputLocation,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.PasswordParam !== undefined) {
-    bodyParams["passwordParam"] = input.PasswordParam;
-  }
-  if (input.Uri !== undefined) {
-    bodyParams["uri"] = input.Uri;
-  }
-  if (input.Username !== undefined) {
-    bodyParams["username"] = input.Username;
-  }
-  return bodyParams;
+  return {
+    ...(input.PasswordParam !== undefined && {
+      passwordParam: input.PasswordParam
+    }),
+    ...(input.Uri !== undefined && { uri: input.Uri }),
+    ...(input.Username !== undefined && { username: input.Username })
+  };
 };
 
 const serializeAws_restJson1_1InputLossBehavior = (
   input: InputLossBehavior,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.BlackFrameMsec !== undefined) {
-    bodyParams["blackFrameMsec"] = input.BlackFrameMsec;
-  }
-  if (input.InputLossImageColor !== undefined) {
-    bodyParams["inputLossImageColor"] = input.InputLossImageColor;
-  }
-  if (input.InputLossImageSlate !== undefined) {
-    bodyParams["inputLossImageSlate"] = serializeAws_restJson1_1InputLocation(
-      input.InputLossImageSlate,
-      context
-    );
-  }
-  if (input.InputLossImageType !== undefined) {
-    bodyParams["inputLossImageType"] = input.InputLossImageType;
-  }
-  if (input.RepeatFrameMsec !== undefined) {
-    bodyParams["repeatFrameMsec"] = input.RepeatFrameMsec;
-  }
-  return bodyParams;
+  return {
+    ...(input.BlackFrameMsec !== undefined && {
+      blackFrameMsec: input.BlackFrameMsec
+    }),
+    ...(input.InputLossImageColor !== undefined && {
+      inputLossImageColor: input.InputLossImageColor
+    }),
+    ...(input.InputLossImageSlate !== undefined && {
+      inputLossImageSlate: serializeAws_restJson1_1InputLocation(
+        input.InputLossImageSlate,
+        context
+      )
+    }),
+    ...(input.InputLossImageType !== undefined && {
+      inputLossImageType: input.InputLossImageType
+    }),
+    ...(input.RepeatFrameMsec !== undefined && {
+      repeatFrameMsec: input.RepeatFrameMsec
+    })
+  };
 };
 
 const serializeAws_restJson1_1InputSettings = (
   input: InputSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AudioSelectors !== undefined) {
-    bodyParams[
-      "audioSelectors"
-    ] = serializeAws_restJson1_1__listOfAudioSelector(
-      input.AudioSelectors,
-      context
-    );
-  }
-  if (input.CaptionSelectors !== undefined) {
-    bodyParams[
-      "captionSelectors"
-    ] = serializeAws_restJson1_1__listOfCaptionSelector(
-      input.CaptionSelectors,
-      context
-    );
-  }
-  if (input.DeblockFilter !== undefined) {
-    bodyParams["deblockFilter"] = input.DeblockFilter;
-  }
-  if (input.DenoiseFilter !== undefined) {
-    bodyParams["denoiseFilter"] = input.DenoiseFilter;
-  }
-  if (input.FilterStrength !== undefined) {
-    bodyParams["filterStrength"] = input.FilterStrength;
-  }
-  if (input.InputFilter !== undefined) {
-    bodyParams["inputFilter"] = input.InputFilter;
-  }
-  if (input.NetworkInputSettings !== undefined) {
-    bodyParams[
-      "networkInputSettings"
-    ] = serializeAws_restJson1_1NetworkInputSettings(
-      input.NetworkInputSettings,
-      context
-    );
-  }
-  if (input.SourceEndBehavior !== undefined) {
-    bodyParams["sourceEndBehavior"] = input.SourceEndBehavior;
-  }
-  if (input.VideoSelector !== undefined) {
-    bodyParams["videoSelector"] = serializeAws_restJson1_1VideoSelector(
-      input.VideoSelector,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.AudioSelectors !== undefined && {
+      audioSelectors: serializeAws_restJson1_1__listOfAudioSelector(
+        input.AudioSelectors,
+        context
+      )
+    }),
+    ...(input.CaptionSelectors !== undefined && {
+      captionSelectors: serializeAws_restJson1_1__listOfCaptionSelector(
+        input.CaptionSelectors,
+        context
+      )
+    }),
+    ...(input.DeblockFilter !== undefined && {
+      deblockFilter: input.DeblockFilter
+    }),
+    ...(input.DenoiseFilter !== undefined && {
+      denoiseFilter: input.DenoiseFilter
+    }),
+    ...(input.FilterStrength !== undefined && {
+      filterStrength: input.FilterStrength
+    }),
+    ...(input.InputFilter !== undefined && { inputFilter: input.InputFilter }),
+    ...(input.NetworkInputSettings !== undefined && {
+      networkInputSettings: serializeAws_restJson1_1NetworkInputSettings(
+        input.NetworkInputSettings,
+        context
+      )
+    }),
+    ...(input.SourceEndBehavior !== undefined && {
+      sourceEndBehavior: input.SourceEndBehavior
+    }),
+    ...(input.VideoSelector !== undefined && {
+      videoSelector: serializeAws_restJson1_1VideoSelector(
+        input.VideoSelector,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1InputSourceRequest = (
   input: InputSourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.PasswordParam !== undefined) {
-    bodyParams["passwordParam"] = input.PasswordParam;
-  }
-  if (input.Url !== undefined) {
-    bodyParams["url"] = input.Url;
-  }
-  if (input.Username !== undefined) {
-    bodyParams["username"] = input.Username;
-  }
-  return bodyParams;
+  return {
+    ...(input.PasswordParam !== undefined && {
+      passwordParam: input.PasswordParam
+    }),
+    ...(input.Url !== undefined && { url: input.Url }),
+    ...(input.Username !== undefined && { username: input.Username })
+  };
 };
 
 const serializeAws_restJson1_1InputSpecification = (
   input: InputSpecification,
   context: __SerdeContext
-): any => {
-  const bodyParams: any = {};
-  if (input.Codec !== undefined) {
-    bodyParams["codec"] = input.Codec;
-  }
-  if (input.MaximumBitrate !== undefined) {
-    bodyParams["maximumBitrate"] = input.MaximumBitrate;
-  }
-  if (input.Resolution !== undefined) {
-    bodyParams["resolution"] = input.Resolution;
-  }
-  return bodyParams;
-};
-
-const serializeAws_restJson1_1InputSwitchScheduleActionSettings = (
-  input: InputSwitchScheduleActionSettings,
-  context: __SerdeContext
-): any => {
-  const bodyParams: any = {};
-  if (input.InputAttachmentNameReference !== undefined) {
-    bodyParams["inputAttachmentNameReference"] =
-      input.InputAttachmentNameReference;
-  }
-  if (input.InputClippingSettings !== undefined) {
-    bodyParams[
-      "inputClippingSettings"
-    ] = serializeAws_restJson1_1InputClippingSettings(
-      input.InputClippingSettings,
-      context
-    );
-  }
-  if (input.UrlPath !== undefined) {
-    bodyParams["urlPath"] = serializeAws_restJson1_1__listOf__string(
-      input.UrlPath,
-      context
-    );
-  }
-  return bodyParams;
-};
-
-const serializeAws_restJson1_1InputVpcRequest = (
-  input: InputVpcRequest,
-  context: __SerdeContext
-): any => {
-  const bodyParams: any = {};
-  if (input.SecurityGroupIds !== undefined) {
-    bodyParams["securityGroupIds"] = serializeAws_restJson1_1__listOf__string(
-      input.SecurityGroupIds,
-      context
-    );
-  }
-  if (input.SubnetIds !== undefined) {
-    bodyParams["subnetIds"] = serializeAws_restJson1_1__listOf__string(
-      input.SubnetIds,
-      context
-    );
-  }
-  return bodyParams;
-};
-
-const serializeAws_restJson1_1InputWhitelistRuleCidr = (
-  input: InputWhitelistRuleCidr,
-  context: __SerdeContext
-): any => {
-  const bodyParams: any = {};
-  if (input.Cidr !== undefined) {
-    bodyParams["cidr"] = input.Cidr;
-  }
-  return bodyParams;
-};
-
-const serializeAws_restJson1_1KeyProviderSettings = (
-  input: KeyProviderSettings,
-  context: __SerdeContext
-): any => {
-  const bodyParams: any = {};
-  if (input.StaticKeySettings !== undefined) {
-    bodyParams["staticKeySettings"] = serializeAws_restJson1_1StaticKeySettings(
-      input.StaticKeySettings,
-      context
-    );
-  }
-  return bodyParams;
-};
-
-const serializeAws_restJson1_1M2tsSettings = (
-  input: M2tsSettings,
-  context: __SerdeContext
-): any => {
-  const bodyParams: any = {};
-  if (input.AbsentInputAudioBehavior !== undefined) {
-    bodyParams["absentInputAudioBehavior"] = input.AbsentInputAudioBehavior;
-  }
-  if (input.Arib !== undefined) {
-    bodyParams["arib"] = input.Arib;
-  }
-  if (input.AribCaptionsPid !== undefined) {
-    bodyParams["aribCaptionsPid"] = input.AribCaptionsPid;
-  }
-  if (input.AribCaptionsPidControl !== undefined) {
-    bodyParams["aribCaptionsPidControl"] = input.AribCaptionsPidControl;
-  }
-  if (input.AudioBufferModel !== undefined) {
-    bodyParams["audioBufferModel"] = input.AudioBufferModel;
-  }
-  if (input.AudioFramesPerPes !== undefined) {
-    bodyParams["audioFramesPerPes"] = input.AudioFramesPerPes;
-  }
-  if (input.AudioPids !== undefined) {
-    bodyParams["audioPids"] = input.AudioPids;
-  }
-  if (input.AudioStreamType !== undefined) {
-    bodyParams["audioStreamType"] = input.AudioStreamType;
-  }
-  if (input.Bitrate !== undefined) {
-    bodyParams["bitrate"] = input.Bitrate;
-  }
-  if (input.BufferModel !== undefined) {
-    bodyParams["bufferModel"] = input.BufferModel;
-  }
-  if (input.CcDescriptor !== undefined) {
-    bodyParams["ccDescriptor"] = input.CcDescriptor;
-  }
-  if (input.DvbNitSettings !== undefined) {
-    bodyParams["dvbNitSettings"] = serializeAws_restJson1_1DvbNitSettings(
-      input.DvbNitSettings,
-      context
-    );
-  }
-  if (input.DvbSdtSettings !== undefined) {
-    bodyParams["dvbSdtSettings"] = serializeAws_restJson1_1DvbSdtSettings(
-      input.DvbSdtSettings,
-      context
-    );
-  }
-  if (input.DvbSubPids !== undefined) {
-    bodyParams["dvbSubPids"] = input.DvbSubPids;
-  }
-  if (input.DvbTdtSettings !== undefined) {
-    bodyParams["dvbTdtSettings"] = serializeAws_restJson1_1DvbTdtSettings(
-      input.DvbTdtSettings,
-      context
-    );
-  }
-  if (input.DvbTeletextPid !== undefined) {
-    bodyParams["dvbTeletextPid"] = input.DvbTeletextPid;
-  }
-  if (input.Ebif !== undefined) {
-    bodyParams["ebif"] = input.Ebif;
-  }
-  if (input.EbpAudioInterval !== undefined) {
-    bodyParams["ebpAudioInterval"] = input.EbpAudioInterval;
-  }
-  if (input.EbpLookaheadMs !== undefined) {
-    bodyParams["ebpLookaheadMs"] = input.EbpLookaheadMs;
-  }
-  if (input.EbpPlacement !== undefined) {
-    bodyParams["ebpPlacement"] = input.EbpPlacement;
-  }
-  if (input.EcmPid !== undefined) {
-    bodyParams["ecmPid"] = input.EcmPid;
-  }
-  if (input.EsRateInPes !== undefined) {
-    bodyParams["esRateInPes"] = input.EsRateInPes;
-  }
-  if (input.EtvPlatformPid !== undefined) {
-    bodyParams["etvPlatformPid"] = input.EtvPlatformPid;
-  }
-  if (input.EtvSignalPid !== undefined) {
-    bodyParams["etvSignalPid"] = input.EtvSignalPid;
-  }
-  if (input.FragmentTime !== undefined) {
-    bodyParams["fragmentTime"] = input.FragmentTime;
-  }
-  if (input.Klv !== undefined) {
-    bodyParams["klv"] = input.Klv;
-  }
-  if (input.KlvDataPids !== undefined) {
-    bodyParams["klvDataPids"] = input.KlvDataPids;
-  }
-  if (input.NielsenId3Behavior !== undefined) {
-    bodyParams["nielsenId3Behavior"] = input.NielsenId3Behavior;
-  }
-  if (input.NullPacketBitrate !== undefined) {
-    bodyParams["nullPacketBitrate"] = input.NullPacketBitrate;
-  }
-  if (input.PatInterval !== undefined) {
-    bodyParams["patInterval"] = input.PatInterval;
-  }
-  if (input.PcrControl !== undefined) {
-    bodyParams["pcrControl"] = input.PcrControl;
-  }
-  if (input.PcrPeriod !== undefined) {
-    bodyParams["pcrPeriod"] = input.PcrPeriod;
-  }
-  if (input.PcrPid !== undefined) {
-    bodyParams["pcrPid"] = input.PcrPid;
-  }
-  if (input.PmtInterval !== undefined) {
-    bodyParams["pmtInterval"] = input.PmtInterval;
-  }
-  if (input.PmtPid !== undefined) {
-    bodyParams["pmtPid"] = input.PmtPid;
-  }
-  if (input.ProgramNum !== undefined) {
-    bodyParams["programNum"] = input.ProgramNum;
-  }
-  if (input.RateMode !== undefined) {
-    bodyParams["rateMode"] = input.RateMode;
-  }
-  if (input.Scte27Pids !== undefined) {
-    bodyParams["scte27Pids"] = input.Scte27Pids;
-  }
-  if (input.Scte35Control !== undefined) {
-    bodyParams["scte35Control"] = input.Scte35Control;
-  }
-  if (input.Scte35Pid !== undefined) {
-    bodyParams["scte35Pid"] = input.Scte35Pid;
-  }
-  if (input.SegmentationMarkers !== undefined) {
-    bodyParams["segmentationMarkers"] = input.SegmentationMarkers;
-  }
-  if (input.SegmentationStyle !== undefined) {
-    bodyParams["segmentationStyle"] = input.SegmentationStyle;
-  }
-  if (input.SegmentationTime !== undefined) {
-    bodyParams["segmentationTime"] = input.SegmentationTime;
-  }
-  if (input.TimedMetadataBehavior !== undefined) {
-    bodyParams["timedMetadataBehavior"] = input.TimedMetadataBehavior;
-  }
-  if (input.TimedMetadataPid !== undefined) {
-    bodyParams["timedMetadataPid"] = input.TimedMetadataPid;
-  }
-  if (input.TransportStreamId !== undefined) {
-    bodyParams["transportStreamId"] = input.TransportStreamId;
-  }
-  if (input.VideoPid !== undefined) {
-    bodyParams["videoPid"] = input.VideoPid;
-  }
-  return bodyParams;
+): any => {
+  return {
+    ...(input.Codec !== undefined && { codec: input.Codec }),
+    ...(input.MaximumBitrate !== undefined && {
+      maximumBitrate: input.MaximumBitrate
+    }),
+    ...(input.Resolution !== undefined && { resolution: input.Resolution })
+  };
+};
+
+const serializeAws_restJson1_1InputSwitchScheduleActionSettings = (
+  input: InputSwitchScheduleActionSettings,
+  context: __SerdeContext
+): any => {
+  return {
+    ...(input.InputAttachmentNameReference !== undefined && {
+      inputAttachmentNameReference: input.InputAttachmentNameReference
+    }),
+    ...(input.InputClippingSettings !== undefined && {
+      inputClippingSettings: serializeAws_restJson1_1InputClippingSettings(
+        input.InputClippingSettings,
+        context
+      )
+    }),
+    ...(input.UrlPath !== undefined && {
+      urlPath: serializeAws_restJson1_1__listOf__string(input.UrlPath, context)
+    })
+  };
+};
+
+const serializeAws_restJson1_1InputVpcRequest = (
+  input: InputVpcRequest,
+  context: __SerdeContext
+): any => {
+  return {
+    ...(input.SecurityGroupIds !== undefined && {
+      securityGroupIds: serializeAws_restJson1_1__listOf__string(
+        input.SecurityGroupIds,
+        context
+      )
+    }),
+    ...(input.SubnetIds !== undefined && {
+      subnetIds: serializeAws_restJson1_1__listOf__string(
+        input.SubnetIds,
+        context
+      )
+    })
+  };
+};
+
+const serializeAws_restJson1_1InputWhitelistRuleCidr = (
+  input: InputWhitelistRuleCidr,
+  context: __SerdeContext
+): any => {
+  return {
+    ...(input.Cidr !== undefined && { cidr: input.Cidr })
+  };
+};
+
+const serializeAws_restJson1_1KeyProviderSettings = (
+  input: KeyProviderSettings,
+  context: __SerdeContext
+): any => {
+  return {
+    ...(input.StaticKeySettings !== undefined && {
+      staticKeySettings: serializeAws_restJson1_1StaticKeySettings(
+        input.StaticKeySettings,
+        context
+      )
+    })
+  };
+};
+
+const serializeAws_restJson1_1M2tsSettings = (
+  input: M2tsSettings,
+  context: __SerdeContext
+): any => {
+  return {
+    ...(input.AbsentInputAudioBehavior !== undefined && {
+      absentInputAudioBehavior: input.AbsentInputAudioBehavior
+    }),
+    ...(input.Arib !== undefined && { arib: input.Arib }),
+    ...(input.AribCaptionsPid !== undefined && {
+      aribCaptionsPid: input.AribCaptionsPid
+    }),
+    ...(input.AribCaptionsPidControl !== undefined && {
+      aribCaptionsPidControl: input.AribCaptionsPidControl
+    }),
+    ...(input.AudioBufferModel !== undefined && {
+      audioBufferModel: input.AudioBufferModel
+    }),
+    ...(input.AudioFramesPerPes !== undefined && {
+      audioFramesPerPes: input.AudioFramesPerPes
+    }),
+    ...(input.AudioPids !== undefined && { audioPids: input.AudioPids }),
+    ...(input.AudioStreamType !== undefined && {
+      audioStreamType: input.AudioStreamType
+    }),
+    ...(input.Bitrate !== undefined && { bitrate: input.Bitrate }),
+    ...(input.BufferModel !== undefined && { bufferModel: input.BufferModel }),
+    ...(input.CcDescriptor !== undefined && {
+      ccDescriptor: input.CcDescriptor
+    }),
+    ...(input.DvbNitSettings !== undefined && {
+      dvbNitSettings: serializeAws_restJson1_1DvbNitSettings(
+        input.DvbNitSettings,
+        context
+      )
+    }),
+    ...(input.DvbSdtSettings !== undefined && {
+      dvbSdtSettings: serializeAws_restJson1_1DvbSdtSettings(
+        input.DvbSdtSettings,
+        context
+      )
+    }),
+    ...(input.DvbSubPids !== undefined && { dvbSubPids: input.DvbSubPids }),
+    ...(input.DvbTdtSettings !== undefined && {
+      dvbTdtSettings: serializeAws_restJson1_1DvbTdtSettings(
+        input.DvbTdtSettings,
+        context
+      )
+    }),
+    ...(input.DvbTeletextPid !== undefined && {
+      dvbTeletextPid: input.DvbTeletextPid
+    }),
+    ...(input.Ebif !== undefined && { ebif: input.Ebif }),
+    ...(input.EbpAudioInterval !== undefined && {
+      ebpAudioInterval: input.EbpAudioInterval
+    }),
+    ...(input.EbpLookaheadMs !== undefined && {
+      ebpLookaheadMs: input.EbpLookaheadMs
+    }),
+    ...(input.EbpPlacement !== undefined && {
+      ebpPlacement: input.EbpPlacement
+    }),
+    ...(input.EcmPid !== undefined && { ecmPid: input.EcmPid }),
+    ...(input.EsRateInPes !== undefined && { esRateInPes: input.EsRateInPes }),
+    ...(input.EtvPlatformPid !== undefined && {
+      etvPlatformPid: input.EtvPlatformPid
+    }),
+    ...(input.EtvSignalPid !== undefined && {
+      etvSignalPid: input.EtvSignalPid
+    }),
+    ...(input.FragmentTime !== undefined && {
+      fragmentTime: input.FragmentTime
+    }),
+    ...(input.Klv !== undefined && { klv: input.Klv }),
+    ...(input.KlvDataPids !== undefined && { klvDataPids: input.KlvDataPids }),
+    ...(input.NielsenId3Behavior !== undefined && {
+      nielsenId3Behavior: input.NielsenId3Behavior
+    }),
+    ...(input.NullPacketBitrate !== undefined && {
+      nullPacketBitrate: input.NullPacketBitrate
+    }),
+    ...(input.PatInterval !== undefined && { patInterval: input.PatInterval }),
+    ...(input.PcrControl !== undefined && { pcrControl: input.PcrControl }),
+    ...(input.PcrPeriod !== undefined && { pcrPeriod: input.PcrPeriod }),
+    ...(input.PcrPid !== undefined && { pcrPid: input.PcrPid }),
+    ...(input.PmtInterval !== undefined && { pmtInterval: input.PmtInterval }),
+    ...(input.PmtPid !== undefined && { pmtPid: input.PmtPid }),
+    ...(input.ProgramNum !== undefined && { programNum: input.ProgramNum }),
+    ...(input.RateMode !== undefined && { rateMode: input.RateMode }),
+    ...(input.Scte27Pids !== undefined && { scte27Pids: input.Scte27Pids }),
+    ...(input.Scte35Control !== undefined && {
+      scte35Control: input.Scte35Control
+    }),
+    ...(input.Scte35Pid !== undefined && { scte35Pid: input.Scte35Pid }),
+    ...(input.SegmentationMarkers !== undefined && {
+      segmentationMarkers: input.SegmentationMarkers
+    }),
+    ...(input.SegmentationStyle !== undefined && {
+      segmentationStyle: input.SegmentationStyle
+    }),
+    ...(input.SegmentationTime !== undefined && {
+      segmentationTime: input.SegmentationTime
+    }),
+    ...(input.TimedMetadataBehavior !== undefined && {
+      timedMetadataBehavior: input.TimedMetadataBehavior
+    }),
+    ...(input.TimedMetadataPid !== undefined && {
+      timedMetadataPid: input.TimedMetadataPid
+    }),
+    ...(input.TransportStreamId !== undefined && {
+      transportStreamId: input.TransportStreamId
+    }),
+    ...(input.VideoPid !== undefined && { videoPid: input.VideoPid })
+  };
 };
 
 const serializeAws_restJson1_1M3u8Settings = (
   input: M3u8Settings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AudioFramesPerPes !== undefined) {
-    bodyParams["audioFramesPerPes"] = input.AudioFramesPerPes;
-  }
-  if (input.AudioPids !== undefined) {
-    bodyParams["audioPids"] = input.AudioPids;
-  }
-  if (input.EcmPid !== undefined) {
-    bodyParams["ecmPid"] = input.EcmPid;
-  }
-  if (input.NielsenId3Behavior !== undefined) {
-    bodyParams["nielsenId3Behavior"] = input.NielsenId3Behavior;
-  }
-  if (input.PatInterval !== undefined) {
-    bodyParams["patInterval"] = input.PatInterval;
-  }
-  if (input.PcrControl !== undefined) {
-    bodyParams["pcrControl"] = input.PcrControl;
-  }
-  if (input.PcrPeriod !== undefined) {
-    bodyParams["pcrPeriod"] = input.PcrPeriod;
-  }
-  if (input.PcrPid !== undefined) {
-    bodyParams["pcrPid"] = input.PcrPid;
-  }
-  if (input.PmtInterval !== undefined) {
-    bodyParams["pmtInterval"] = input.PmtInterval;
-  }
-  if (input.PmtPid !== undefined) {
-    bodyParams["pmtPid"] = input.PmtPid;
-  }
-  if (input.ProgramNum !== undefined) {
-    bodyParams["programNum"] = input.ProgramNum;
-  }
-  if (input.Scte35Behavior !== undefined) {
-    bodyParams["scte35Behavior"] = input.Scte35Behavior;
-  }
-  if (input.Scte35Pid !== undefined) {
-    bodyParams["scte35Pid"] = input.Scte35Pid;
-  }
-  if (input.TimedMetadataBehavior !== undefined) {
-    bodyParams["timedMetadataBehavior"] = input.TimedMetadataBehavior;
-  }
-  if (input.TimedMetadataPid !== undefined) {
-    bodyParams["timedMetadataPid"] = input.TimedMetadataPid;
-  }
-  if (input.TransportStreamId !== undefined) {
-    bodyParams["transportStreamId"] = input.TransportStreamId;
-  }
-  if (input.VideoPid !== undefined) {
-    bodyParams["videoPid"] = input.VideoPid;
-  }
-  return bodyParams;
+  return {
+    ...(input.AudioFramesPerPes !== undefined && {
+      audioFramesPerPes: input.AudioFramesPerPes
+    }),
+    ...(input.AudioPids !== undefined && { audioPids: input.AudioPids }),
+    ...(input.EcmPid !== undefined && { ecmPid: input.EcmPid }),
+    ...(input.NielsenId3Behavior !== undefined && {
+      nielsenId3Behavior: input.NielsenId3Behavior
+    }),
+    ...(input.PatInterval !== undefined && { patInterval: input.PatInterval }),
+    ...(input.PcrControl !== undefined && { pcrControl: input.PcrControl }),
+    ...(input.PcrPeriod !== undefined && { pcrPeriod: input.PcrPeriod }),
+    ...(input.PcrPid !== undefined && { pcrPid: input.PcrPid }),
+    ...(input.PmtInterval !== undefined && { pmtInterval: input.PmtInterval }),
+    ...(input.PmtPid !== undefined && { pmtPid: input.PmtPid }),
+    ...(input.ProgramNum !== undefined && { programNum: input.ProgramNum }),
+    ...(input.Scte35Behavior !== undefined && {
+      scte35Behavior: input.Scte35Behavior
+    }),
+    ...(input.Scte35Pid !== undefined && { scte35Pid: input.Scte35Pid }),
+    ...(input.TimedMetadataBehavior !== undefined && {
+      timedMetadataBehavior: input.TimedMetadataBehavior
+    }),
+    ...(input.TimedMetadataPid !== undefined && {
+      timedMetadataPid: input.TimedMetadataPid
+    }),
+    ...(input.TransportStreamId !== undefined && {
+      transportStreamId: input.TransportStreamId
+    }),
+    ...(input.VideoPid !== undefined && { videoPid: input.VideoPid })
+  };
 };
 
 const serializeAws_restJson1_1MediaConnectFlowRequest = (
   input: MediaConnectFlowRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.FlowArn !== undefined) {
-    bodyParams["flowArn"] = input.FlowArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.FlowArn !== undefined && { flowArn: input.FlowArn })
+  };
 };
 
 const serializeAws_restJson1_1MediaPackageGroupSettings = (
   input: MediaPackageGroupSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Destination !== undefined) {
-    bodyParams["destination"] = serializeAws_restJson1_1OutputLocationRef(
-      input.Destination,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Destination !== undefined && {
+      destination: serializeAws_restJson1_1OutputLocationRef(
+        input.Destination,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1MediaPackageOutputDestinationSettings = (
   input: MediaPackageOutputDestinationSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ChannelId !== undefined) {
-    bodyParams["channelId"] = input.ChannelId;
-  }
-  return bodyParams;
+  return {
+    ...(input.ChannelId !== undefined && { channelId: input.ChannelId })
+  };
 };
 
 const serializeAws_restJson1_1MediaPackageOutputSettings = (
   input: MediaPackageOutputSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  return bodyParams;
+  return {};
 };
 
 const serializeAws_restJson1_1Mp2Settings = (
   input: Mp2Settings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Bitrate !== undefined) {
-    bodyParams["bitrate"] = input.Bitrate;
-  }
-  if (input.CodingMode !== undefined) {
-    bodyParams["codingMode"] = input.CodingMode;
-  }
-  if (input.SampleRate !== undefined) {
-    bodyParams["sampleRate"] = input.SampleRate;
-  }
-  return bodyParams;
+  return {
+    ...(input.Bitrate !== undefined && { bitrate: input.Bitrate }),
+    ...(input.CodingMode !== undefined && { codingMode: input.CodingMode }),
+    ...(input.SampleRate !== undefined && { sampleRate: input.SampleRate })
+  };
 };
 
 const serializeAws_restJson1_1MsSmoothGroupSettings = (
   input: MsSmoothGroupSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AcquisitionPointId !== undefined) {
-    bodyParams["acquisitionPointId"] = input.AcquisitionPointId;
-  }
-  if (input.AudioOnlyTimecodeControl !== undefined) {
-    bodyParams["audioOnlyTimecodeControl"] = input.AudioOnlyTimecodeControl;
-  }
-  if (input.CertificateMode !== undefined) {
-    bodyParams["certificateMode"] = input.CertificateMode;
-  }
-  if (input.ConnectionRetryInterval !== undefined) {
-    bodyParams["connectionRetryInterval"] = input.ConnectionRetryInterval;
-  }
-  if (input.Destination !== undefined) {
-    bodyParams["destination"] = serializeAws_restJson1_1OutputLocationRef(
-      input.Destination,
-      context
-    );
-  }
-  if (input.EventId !== undefined) {
-    bodyParams["eventId"] = input.EventId;
-  }
-  if (input.EventIdMode !== undefined) {
-    bodyParams["eventIdMode"] = input.EventIdMode;
-  }
-  if (input.EventStopBehavior !== undefined) {
-    bodyParams["eventStopBehavior"] = input.EventStopBehavior;
-  }
-  if (input.FilecacheDuration !== undefined) {
-    bodyParams["filecacheDuration"] = input.FilecacheDuration;
-  }
-  if (input.FragmentLength !== undefined) {
-    bodyParams["fragmentLength"] = input.FragmentLength;
-  }
-  if (input.InputLossAction !== undefined) {
-    bodyParams["inputLossAction"] = input.InputLossAction;
-  }
-  if (input.NumRetries !== undefined) {
-    bodyParams["numRetries"] = input.NumRetries;
-  }
-  if (input.RestartDelay !== undefined) {
-    bodyParams["restartDelay"] = input.RestartDelay;
-  }
-  if (input.SegmentationMode !== undefined) {
-    bodyParams["segmentationMode"] = input.SegmentationMode;
-  }
-  if (input.SendDelayMs !== undefined) {
-    bodyParams["sendDelayMs"] = input.SendDelayMs;
-  }
-  if (input.SparseTrackType !== undefined) {
-    bodyParams["sparseTrackType"] = input.SparseTrackType;
-  }
-  if (input.StreamManifestBehavior !== undefined) {
-    bodyParams["streamManifestBehavior"] = input.StreamManifestBehavior;
-  }
-  if (input.TimestampOffset !== undefined) {
-    bodyParams["timestampOffset"] = input.TimestampOffset;
-  }
-  if (input.TimestampOffsetMode !== undefined) {
-    bodyParams["timestampOffsetMode"] = input.TimestampOffsetMode;
-  }
-  return bodyParams;
+  return {
+    ...(input.AcquisitionPointId !== undefined && {
+      acquisitionPointId: input.AcquisitionPointId
+    }),
+    ...(input.AudioOnlyTimecodeControl !== undefined && {
+      audioOnlyTimecodeControl: input.AudioOnlyTimecodeControl
+    }),
+    ...(input.CertificateMode !== undefined && {
+      certificateMode: input.CertificateMode
+    }),
+    ...(input.ConnectionRetryInterval !== undefined && {
+      connectionRetryInterval: input.ConnectionRetryInterval
+    }),
+    ...(input.Destination !== undefined && {
+      destination: serializeAws_restJson1_1OutputLocationRef(
+        input.Destination,
+        context
+      )
+    }),
+    ...(input.EventId !== undefined && { eventId: input.EventId }),
+    ...(input.EventIdMode !== undefined && { eventIdMode: input.EventIdMode }),
+    ...(input.EventStopBehavior !== undefined && {
+      eventStopBehavior: input.EventStopBehavior
+    }),
+    ...(input.FilecacheDuration !== undefined && {
+      filecacheDuration: input.FilecacheDuration
+    }),
+    ...(input.FragmentLength !== undefined && {
+      fragmentLength: input.FragmentLength
+    }),
+    ...(input.InputLossAction !== undefined && {
+      inputLossAction: input.InputLossAction
+    }),
+    ...(input.NumRetries !== undefined && { numRetries: input.NumRetries }),
+    ...(input.RestartDelay !== undefined && {
+      restartDelay: input.RestartDelay
+    }),
+    ...(input.SegmentationMode !== undefined && {
+      segmentationMode: input.SegmentationMode
+    }),
+    ...(input.SendDelayMs !== undefined && { sendDelayMs: input.SendDelayMs }),
+    ...(input.SparseTrackType !== undefined && {
+      sparseTrackType: input.SparseTrackType
+    }),
+    ...(input.StreamManifestBehavior !== undefined && {
+      streamManifestBehavior: input.StreamManifestBehavior
+    }),
+    ...(input.TimestampOffset !== undefined && {
+      timestampOffset: input.TimestampOffset
+    }),
+    ...(input.TimestampOffsetMode !== undefined && {
+      timestampOffsetMode: input.TimestampOffsetMode
+    })
+  };
 };
 
 const serializeAws_restJson1_1MsSmoothOutputSettings = (
   input: MsSmoothOutputSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.H265PackagingType !== undefined) {
-    bodyParams["h265PackagingType"] = input.H265PackagingType;
-  }
-  if (input.NameModifier !== undefined) {
-    bodyParams["nameModifier"] = input.NameModifier;
-  }
-  return bodyParams;
+  return {
+    ...(input.H265PackagingType !== undefined && {
+      h265PackagingType: input.H265PackagingType
+    }),
+    ...(input.NameModifier !== undefined && {
+      nameModifier: input.NameModifier
+    })
+  };
 };
 
 const serializeAws_restJson1_1MultiplexGroupSettings = (
   input: MultiplexGroupSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  return bodyParams;
+  return {};
 };
 
 const serializeAws_restJson1_1MultiplexOutputSettings = (
   input: MultiplexOutputSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Destination !== undefined) {
-    bodyParams["destination"] = serializeAws_restJson1_1OutputLocationRef(
-      input.Destination,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Destination !== undefined && {
+      destination: serializeAws_restJson1_1OutputLocationRef(
+        input.Destination,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1MultiplexProgramChannelDestinationSettings = (
   input: MultiplexProgramChannelDestinationSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MultiplexId !== undefined) {
-    bodyParams["multiplexId"] = input.MultiplexId;
-  }
-  if (input.ProgramName !== undefined) {
-    bodyParams["programName"] = input.ProgramName;
-  }
-  return bodyParams;
+  return {
+    ...(input.MultiplexId !== undefined && { multiplexId: input.MultiplexId }),
+    ...(input.ProgramName !== undefined && { programName: input.ProgramName })
+  };
 };
 
 const serializeAws_restJson1_1MultiplexProgramServiceDescriptor = (
   input: MultiplexProgramServiceDescriptor,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ProviderName !== undefined) {
-    bodyParams["providerName"] = input.ProviderName;
-  }
-  if (input.ServiceName !== undefined) {
-    bodyParams["serviceName"] = input.ServiceName;
-  }
-  return bodyParams;
+  return {
+    ...(input.ProviderName !== undefined && {
+      providerName: input.ProviderName
+    }),
+    ...(input.ServiceName !== undefined && { serviceName: input.ServiceName })
+  };
 };
 
 const serializeAws_restJson1_1MultiplexProgramSettings = (
   input: MultiplexProgramSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ProgramNumber !== undefined) {
-    bodyParams["programNumber"] = input.ProgramNumber;
-  }
-  if (input.ServiceDescriptor !== undefined) {
-    bodyParams[
-      "serviceDescriptor"
-    ] = serializeAws_restJson1_1MultiplexProgramServiceDescriptor(
-      input.ServiceDescriptor,
-      context
-    );
-  }
-  if (input.VideoSettings !== undefined) {
-    bodyParams[
-      "videoSettings"
-    ] = serializeAws_restJson1_1MultiplexVideoSettings(
-      input.VideoSettings,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ProgramNumber !== undefined && {
+      programNumber: input.ProgramNumber
+    }),
+    ...(input.ServiceDescriptor !== undefined && {
+      serviceDescriptor: serializeAws_restJson1_1MultiplexProgramServiceDescriptor(
+        input.ServiceDescriptor,
+        context
+      )
+    }),
+    ...(input.VideoSettings !== undefined && {
+      videoSettings: serializeAws_restJson1_1MultiplexVideoSettings(
+        input.VideoSettings,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1MultiplexSettings = (
   input: MultiplexSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaximumVideoBufferDelayMilliseconds !== undefined) {
-    bodyParams["maximumVideoBufferDelayMilliseconds"] =
-      input.MaximumVideoBufferDelayMilliseconds;
-  }
-  if (input.TransportStreamBitrate !== undefined) {
-    bodyParams["transportStreamBitrate"] = input.TransportStreamBitrate;
-  }
-  if (input.TransportStreamId !== undefined) {
-    bodyParams["transportStreamId"] = input.TransportStreamId;
-  }
-  if (input.TransportStreamReservedBitrate !== undefined) {
-    bodyParams["transportStreamReservedBitrate"] =
-      input.TransportStreamReservedBitrate;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaximumVideoBufferDelayMilliseconds !== undefined && {
+      maximumVideoBufferDelayMilliseconds:
+        input.MaximumVideoBufferDelayMilliseconds
+    }),
+    ...(input.TransportStreamBitrate !== undefined && {
+      transportStreamBitrate: input.TransportStreamBitrate
+    }),
+    ...(input.TransportStreamId !== undefined && {
+      transportStreamId: input.TransportStreamId
+    }),
+    ...(input.TransportStreamReservedBitrate !== undefined && {
+      transportStreamReservedBitrate: input.TransportStreamReservedBitrate
+    })
+  };
 };
 
 const serializeAws_restJson1_1MultiplexStatmuxVideoSettings = (
   input: MultiplexStatmuxVideoSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaximumBitrate !== undefined) {
-    bodyParams["maximumBitrate"] = input.MaximumBitrate;
-  }
-  if (input.MinimumBitrate !== undefined) {
-    bodyParams["minimumBitrate"] = input.MinimumBitrate;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaximumBitrate !== undefined && {
+      maximumBitrate: input.MaximumBitrate
+    }),
+    ...(input.MinimumBitrate !== undefined && {
+      minimumBitrate: input.MinimumBitrate
+    })
+  };
 };
 
 const serializeAws_restJson1_1MultiplexVideoSettings = (
   input: MultiplexVideoSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ConstantBitrate !== undefined) {
-    bodyParams["constantBitrate"] = input.ConstantBitrate;
-  }
-  if (input.StatmuxSettings !== undefined) {
-    bodyParams[
-      "statmuxSettings"
-    ] = serializeAws_restJson1_1MultiplexStatmuxVideoSettings(
-      input.StatmuxSettings,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ConstantBitrate !== undefined && {
+      constantBitrate: input.ConstantBitrate
+    }),
+    ...(input.StatmuxSettings !== undefined && {
+      statmuxSettings: serializeAws_restJson1_1MultiplexStatmuxVideoSettings(
+        input.StatmuxSettings,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1NetworkInputSettings = (
   input: NetworkInputSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.HlsInputSettings !== undefined) {
-    bodyParams["hlsInputSettings"] = serializeAws_restJson1_1HlsInputSettings(
-      input.HlsInputSettings,
-      context
-    );
-  }
-  if (input.ServerValidation !== undefined) {
-    bodyParams["serverValidation"] = input.ServerValidation;
-  }
-  return bodyParams;
+  return {
+    ...(input.HlsInputSettings !== undefined && {
+      hlsInputSettings: serializeAws_restJson1_1HlsInputSettings(
+        input.HlsInputSettings,
+        context
+      )
+    }),
+    ...(input.ServerValidation !== undefined && {
+      serverValidation: input.ServerValidation
+    })
+  };
 };
 
 const serializeAws_restJson1_1NielsenConfiguration = (
   input: NielsenConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DistributorId !== undefined) {
-    bodyParams["distributorId"] = input.DistributorId;
-  }
-  if (input.NielsenPcmToId3Tagging !== undefined) {
-    bodyParams["nielsenPcmToId3Tagging"] = input.NielsenPcmToId3Tagging;
-  }
-  return bodyParams;
-};
-
-const serializeAws_restJson1_1Output = (
-  input: Output,
-  context: __SerdeContext
-): any => {
-  const bodyParams: any = {};
-  if (input.AudioDescriptionNames !== undefined) {
-    bodyParams[
-      "audioDescriptionNames"
-    ] = serializeAws_restJson1_1__listOf__string(
-      input.AudioDescriptionNames,
-      context
-    );
-  }
-  if (input.CaptionDescriptionNames !== undefined) {
-    bodyParams[
-      "captionDescriptionNames"
-    ] = serializeAws_restJson1_1__listOf__string(
-      input.CaptionDescriptionNames,
-      context
-    );
-  }
-  if (input.OutputName !== undefined) {
-    bodyParams["outputName"] = input.OutputName;
-  }
-  if (input.OutputSettings !== undefined) {
-    bodyParams["outputSettings"] = serializeAws_restJson1_1OutputSettings(
-      input.OutputSettings,
-      context
-    );
-  }
-  if (input.VideoDescriptionName !== undefined) {
-    bodyParams["videoDescriptionName"] = input.VideoDescriptionName;
-  }
-  return bodyParams;
+  return {
+    ...(input.DistributorId !== undefined && {
+      distributorId: input.DistributorId
+    }),
+    ...(input.NielsenPcmToId3Tagging !== undefined && {
+      nielsenPcmToId3Tagging: input.NielsenPcmToId3Tagging
+    })
+  };
+};
+
+const serializeAws_restJson1_1Output = (
+  input: Output,
+  context: __SerdeContext
+): any => {
+  return {
+    ...(input.AudioDescriptionNames !== undefined && {
+      audioDescriptionNames: serializeAws_restJson1_1__listOf__string(
+        input.AudioDescriptionNames,
+        context
+      )
+    }),
+    ...(input.CaptionDescriptionNames !== undefined && {
+      captionDescriptionNames: serializeAws_restJson1_1__listOf__string(
+        input.CaptionDescriptionNames,
+        context
+      )
+    }),
+    ...(input.OutputName !== undefined && { outputName: input.OutputName }),
+    ...(input.OutputSettings !== undefined && {
+      outputSettings: serializeAws_restJson1_1OutputSettings(
+        input.OutputSettings,
+        context
+      )
+    }),
+    ...(input.VideoDescriptionName !== undefined && {
+      videoDescriptionName: input.VideoDescriptionName
+    })
+  };
 };
 
 const serializeAws_restJson1_1OutputDestination = (
   input: OutputDestination,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Id !== undefined) {
-    bodyParams["id"] = input.Id;
-  }
-  if (input.MediaPackageSettings !== undefined) {
-    bodyParams[
-      "mediaPackageSettings"
-    ] = serializeAws_restJson1_1__listOfMediaPackageOutputDestinationSettings(
-      input.MediaPackageSettings,
-      context
-    );
-  }
-  if (input.MultiplexSettings !== undefined) {
-    bodyParams[
-      "multiplexSettings"
-    ] = serializeAws_restJson1_1MultiplexProgramChannelDestinationSettings(
-      input.MultiplexSettings,
-      context
-    );
-  }
-  if (input.Settings !== undefined) {
-    bodyParams[
-      "settings"
-    ] = serializeAws_restJson1_1__listOfOutputDestinationSettings(
-      input.Settings,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Id !== undefined && { id: input.Id }),
+    ...(input.MediaPackageSettings !== undefined && {
+      mediaPackageSettings: serializeAws_restJson1_1__listOfMediaPackageOutputDestinationSettings(
+        input.MediaPackageSettings,
+        context
+      )
+    }),
+    ...(input.MultiplexSettings !== undefined && {
+      multiplexSettings: serializeAws_restJson1_1MultiplexProgramChannelDestinationSettings(
+        input.MultiplexSettings,
+        context
+      )
+    }),
+    ...(input.Settings !== undefined && {
+      settings: serializeAws_restJson1_1__listOfOutputDestinationSettings(
+        input.Settings,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1OutputDestinationSettings = (
   input: OutputDestinationSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.PasswordParam !== undefined) {
-    bodyParams["passwordParam"] = input.PasswordParam;
-  }
-  if (input.StreamName !== undefined) {
-    bodyParams["streamName"] = input.StreamName;
-  }
-  if (input.Url !== undefined) {
-    bodyParams["url"] = input.Url;
-  }
-  if (input.Username !== undefined) {
-    bodyParams["username"] = input.Username;
-  }
-  return bodyParams;
+  return {
+    ...(input.PasswordParam !== undefined && {
+      passwordParam: input.PasswordParam
+    }),
+    ...(input.StreamName !== undefined && { streamName: input.StreamName }),
+    ...(input.Url !== undefined && { url: input.Url }),
+    ...(input.Username !== undefined && { username: input.Username })
+  };
 };
 
 const serializeAws_restJson1_1OutputGroup = (
   input: OutputGroup,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Name !== undefined) {
-    bodyParams["name"] = input.Name;
-  }
-  if (input.OutputGroupSettings !== undefined) {
-    bodyParams[
-      "outputGroupSettings"
-    ] = serializeAws_restJson1_1OutputGroupSettings(
-      input.OutputGroupSettings,
-      context
-    );
-  }
-  if (input.Outputs !== undefined) {
-    bodyParams["outputs"] = serializeAws_restJson1_1__listOfOutput(
-      input.Outputs,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Name !== undefined && { name: input.Name }),
+    ...(input.OutputGroupSettings !== undefined && {
+      outputGroupSettings: serializeAws_restJson1_1OutputGroupSettings(
+        input.OutputGroupSettings,
+        context
+      )
+    }),
+    ...(input.Outputs !== undefined && {
+      outputs: serializeAws_restJson1_1__listOfOutput(input.Outputs, context)
+    })
+  };
 };
 
 const serializeAws_restJson1_1OutputGroupSettings = (
   input: OutputGroupSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ArchiveGroupSettings !== undefined) {
-    bodyParams[
-      "archiveGroupSettings"
-    ] = serializeAws_restJson1_1ArchiveGroupSettings(
-      input.ArchiveGroupSettings,
-      context
-    );
-  }
-  if (input.FrameCaptureGroupSettings !== undefined) {
-    bodyParams[
-      "frameCaptureGroupSettings"
-    ] = serializeAws_restJson1_1FrameCaptureGroupSettings(
-      input.FrameCaptureGroupSettings,
-      context
-    );
-  }
-  if (input.HlsGroupSettings !== undefined) {
-    bodyParams["hlsGroupSettings"] = serializeAws_restJson1_1HlsGroupSettings(
-      input.HlsGroupSettings,
-      context
-    );
-  }
-  if (input.MediaPackageGroupSettings !== undefined) {
-    bodyParams[
-      "mediaPackageGroupSettings"
-    ] = serializeAws_restJson1_1MediaPackageGroupSettings(
-      input.MediaPackageGroupSettings,
-      context
-    );
-  }
-  if (input.MsSmoothGroupSettings !== undefined) {
-    bodyParams[
-      "msSmoothGroupSettings"
-    ] = serializeAws_restJson1_1MsSmoothGroupSettings(
-      input.MsSmoothGroupSettings,
-      context
-    );
-  }
-  if (input.MultiplexGroupSettings !== undefined) {
-    bodyParams[
-      "multiplexGroupSettings"
-    ] = serializeAws_restJson1_1MultiplexGroupSettings(
-      input.MultiplexGroupSettings,
-      context
-    );
-  }
-  if (input.RtmpGroupSettings !== undefined) {
-    bodyParams["rtmpGroupSettings"] = serializeAws_restJson1_1RtmpGroupSettings(
-      input.RtmpGroupSettings,
-      context
-    );
-  }
-  if (input.UdpGroupSettings !== undefined) {
-    bodyParams["udpGroupSettings"] = serializeAws_restJson1_1UdpGroupSettings(
-      input.UdpGroupSettings,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ArchiveGroupSettings !== undefined && {
+      archiveGroupSettings: serializeAws_restJson1_1ArchiveGroupSettings(
+        input.ArchiveGroupSettings,
+        context
+      )
+    }),
+    ...(input.FrameCaptureGroupSettings !== undefined && {
+      frameCaptureGroupSettings: serializeAws_restJson1_1FrameCaptureGroupSettings(
+        input.FrameCaptureGroupSettings,
+        context
+      )
+    }),
+    ...(input.HlsGroupSettings !== undefined && {
+      hlsGroupSettings: serializeAws_restJson1_1HlsGroupSettings(
+        input.HlsGroupSettings,
+        context
+      )
+    }),
+    ...(input.MediaPackageGroupSettings !== undefined && {
+      mediaPackageGroupSettings: serializeAws_restJson1_1MediaPackageGroupSettings(
+        input.MediaPackageGroupSettings,
+        context
+      )
+    }),
+    ...(input.MsSmoothGroupSettings !== undefined && {
+      msSmoothGroupSettings: serializeAws_restJson1_1MsSmoothGroupSettings(
+        input.MsSmoothGroupSettings,
+        context
+      )
+    }),
+    ...(input.MultiplexGroupSettings !== undefined && {
+      multiplexGroupSettings: serializeAws_restJson1_1MultiplexGroupSettings(
+        input.MultiplexGroupSettings,
+        context
+      )
+    }),
+    ...(input.RtmpGroupSettings !== undefined && {
+      rtmpGroupSettings: serializeAws_restJson1_1RtmpGroupSettings(
+        input.RtmpGroupSettings,
+        context
+      )
+    }),
+    ...(input.UdpGroupSettings !== undefined && {
+      udpGroupSettings: serializeAws_restJson1_1UdpGroupSettings(
+        input.UdpGroupSettings,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1OutputLocationRef = (
   input: OutputLocationRef,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DestinationRefId !== undefined) {
-    bodyParams["destinationRefId"] = input.DestinationRefId;
-  }
-  return bodyParams;
+  return {
+    ...(input.DestinationRefId !== undefined && {
+      destinationRefId: input.DestinationRefId
+    })
+  };
 };
 
 const serializeAws_restJson1_1OutputSettings = (
   input: OutputSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ArchiveOutputSettings !== undefined) {
-    bodyParams[
-      "archiveOutputSettings"
-    ] = serializeAws_restJson1_1ArchiveOutputSettings(
-      input.ArchiveOutputSettings,
-      context
-    );
-  }
-  if (input.FrameCaptureOutputSettings !== undefined) {
-    bodyParams[
-      "frameCaptureOutputSettings"
-    ] = serializeAws_restJson1_1FrameCaptureOutputSettings(
-      input.FrameCaptureOutputSettings,
-      context
-    );
-  }
-  if (input.HlsOutputSettings !== undefined) {
-    bodyParams["hlsOutputSettings"] = serializeAws_restJson1_1HlsOutputSettings(
-      input.HlsOutputSettings,
-      context
-    );
-  }
-  if (input.MediaPackageOutputSettings !== undefined) {
-    bodyParams[
-      "mediaPackageOutputSettings"
-    ] = serializeAws_restJson1_1MediaPackageOutputSettings(
-      input.MediaPackageOutputSettings,
-      context
-    );
-  }
-  if (input.MsSmoothOutputSettings !== undefined) {
-    bodyParams[
-      "msSmoothOutputSettings"
-    ] = serializeAws_restJson1_1MsSmoothOutputSettings(
-      input.MsSmoothOutputSettings,
-      context
-    );
-  }
-  if (input.MultiplexOutputSettings !== undefined) {
-    bodyParams[
-      "multiplexOutputSettings"
-    ] = serializeAws_restJson1_1MultiplexOutputSettings(
-      input.MultiplexOutputSettings,
-      context
-    );
-  }
-  if (input.RtmpOutputSettings !== undefined) {
-    bodyParams[
-      "rtmpOutputSettings"
-    ] = serializeAws_restJson1_1RtmpOutputSettings(
-      input.RtmpOutputSettings,
-      context
-    );
-  }
-  if (input.UdpOutputSettings !== undefined) {
-    bodyParams["udpOutputSettings"] = serializeAws_restJson1_1UdpOutputSettings(
-      input.UdpOutputSettings,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ArchiveOutputSettings !== undefined && {
+      archiveOutputSettings: serializeAws_restJson1_1ArchiveOutputSettings(
+        input.ArchiveOutputSettings,
+        context
+      )
+    }),
+    ...(input.FrameCaptureOutputSettings !== undefined && {
+      frameCaptureOutputSettings: serializeAws_restJson1_1FrameCaptureOutputSettings(
+        input.FrameCaptureOutputSettings,
+        context
+      )
+    }),
+    ...(input.HlsOutputSettings !== undefined && {
+      hlsOutputSettings: serializeAws_restJson1_1HlsOutputSettings(
+        input.HlsOutputSettings,
+        context
+      )
+    }),
+    ...(input.MediaPackageOutputSettings !== undefined && {
+      mediaPackageOutputSettings: serializeAws_restJson1_1MediaPackageOutputSettings(
+        input.MediaPackageOutputSettings,
+        context
+      )
+    }),
+    ...(input.MsSmoothOutputSettings !== undefined && {
+      msSmoothOutputSettings: serializeAws_restJson1_1MsSmoothOutputSettings(
+        input.MsSmoothOutputSettings,
+        context
+      )
+    }),
+    ...(input.MultiplexOutputSettings !== undefined && {
+      multiplexOutputSettings: serializeAws_restJson1_1MultiplexOutputSettings(
+        input.MultiplexOutputSettings,
+        context
+      )
+    }),
+    ...(input.RtmpOutputSettings !== undefined && {
+      rtmpOutputSettings: serializeAws_restJson1_1RtmpOutputSettings(
+        input.RtmpOutputSettings,
+        context
+      )
+    }),
+    ...(input.UdpOutputSettings !== undefined && {
+      udpOutputSettings: serializeAws_restJson1_1UdpOutputSettings(
+        input.UdpOutputSettings,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1PassThroughSettings = (
   input: PassThroughSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  return bodyParams;
+  return {};
 };
 
 const serializeAws_restJson1_1PauseStateScheduleActionSettings = (
   input: PauseStateScheduleActionSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Pipelines !== undefined) {
-    bodyParams[
-      "pipelines"
-    ] = serializeAws_restJson1_1__listOfPipelinePauseStateSettings(
-      input.Pipelines,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Pipelines !== undefined && {
+      pipelines: serializeAws_restJson1_1__listOfPipelinePauseStateSettings(
+        input.Pipelines,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1PipelinePauseStateSettings = (
   input: PipelinePauseStateSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.PipelineId !== undefined) {
-    bodyParams["pipelineId"] = input.PipelineId;
-  }
-  return bodyParams;
+  return {
+    ...(input.PipelineId !== undefined && { pipelineId: input.PipelineId })
+  };
 };
 
 const serializeAws_restJson1_1Rec601Settings = (
   input: Rec601Settings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  return bodyParams;
+  return {};
 };
 
 const serializeAws_restJson1_1Rec709Settings = (
   input: Rec709Settings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  return bodyParams;
+  return {};
 };
 
 const serializeAws_restJson1_1RemixSettings = (
   input: RemixSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ChannelMappings !== undefined) {
-    bodyParams[
-      "channelMappings"
-    ] = serializeAws_restJson1_1__listOfAudioChannelMapping(
-      input.ChannelMappings,
-      context
-    );
-  }
-  if (input.ChannelsIn !== undefined) {
-    bodyParams["channelsIn"] = input.ChannelsIn;
-  }
-  if (input.ChannelsOut !== undefined) {
-    bodyParams["channelsOut"] = input.ChannelsOut;
-  }
-  return bodyParams;
+  return {
+    ...(input.ChannelMappings !== undefined && {
+      channelMappings: serializeAws_restJson1_1__listOfAudioChannelMapping(
+        input.ChannelMappings,
+        context
+      )
+    }),
+    ...(input.ChannelsIn !== undefined && { channelsIn: input.ChannelsIn }),
+    ...(input.ChannelsOut !== undefined && { channelsOut: input.ChannelsOut })
+  };
 };
 
 const serializeAws_restJson1_1RtmpCaptionInfoDestinationSettings = (
   input: RtmpCaptionInfoDestinationSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  return bodyParams;
+  return {};
 };
 
 const serializeAws_restJson1_1RtmpGroupSettings = (
   input: RtmpGroupSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AuthenticationScheme !== undefined) {
-    bodyParams["authenticationScheme"] = input.AuthenticationScheme;
-  }
-  if (input.CacheFullBehavior !== undefined) {
-    bodyParams["cacheFullBehavior"] = input.CacheFullBehavior;
-  }
-  if (input.CacheLength !== undefined) {
-    bodyParams["cacheLength"] = input.CacheLength;
-  }
-  if (input.CaptionData !== undefined) {
-    bodyParams["captionData"] = input.CaptionData;
-  }
-  if (input.InputLossAction !== undefined) {
-    bodyParams["inputLossAction"] = input.InputLossAction;
-  }
-  if (input.RestartDelay !== undefined) {
-    bodyParams["restartDelay"] = input.RestartDelay;
-  }
-  return bodyParams;
+  return {
+    ...(input.AuthenticationScheme !== undefined && {
+      authenticationScheme: input.AuthenticationScheme
+    }),
+    ...(input.CacheFullBehavior !== undefined && {
+      cacheFullBehavior: input.CacheFullBehavior
+    }),
+    ...(input.CacheLength !== undefined && { cacheLength: input.CacheLength }),
+    ...(input.CaptionData !== undefined && { captionData: input.CaptionData }),
+    ...(input.InputLossAction !== undefined && {
+      inputLossAction: input.InputLossAction
+    }),
+    ...(input.RestartDelay !== undefined && {
+      restartDelay: input.RestartDelay
+    })
+  };
 };
 
 const serializeAws_restJson1_1RtmpOutputSettings = (
   input: RtmpOutputSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CertificateMode !== undefined) {
-    bodyParams["certificateMode"] = input.CertificateMode;
-  }
-  if (input.ConnectionRetryInterval !== undefined) {
-    bodyParams["connectionRetryInterval"] = input.ConnectionRetryInterval;
-  }
-  if (input.Destination !== undefined) {
-    bodyParams["destination"] = serializeAws_restJson1_1OutputLocationRef(
-      input.Destination,
-      context
-    );
-  }
-  if (input.NumRetries !== undefined) {
-    bodyParams["numRetries"] = input.NumRetries;
-  }
-  return bodyParams;
+  return {
+    ...(input.CertificateMode !== undefined && {
+      certificateMode: input.CertificateMode
+    }),
+    ...(input.ConnectionRetryInterval !== undefined && {
+      connectionRetryInterval: input.ConnectionRetryInterval
+    }),
+    ...(input.Destination !== undefined && {
+      destination: serializeAws_restJson1_1OutputLocationRef(
+        input.Destination,
+        context
+      )
+    }),
+    ...(input.NumRetries !== undefined && { numRetries: input.NumRetries })
+  };
 };
 
 const serializeAws_restJson1_1ScheduleAction = (
   input: ScheduleAction,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ActionName !== undefined) {
-    bodyParams["actionName"] = input.ActionName;
-  }
-  if (input.ScheduleActionSettings !== undefined) {
-    bodyParams[
-      "scheduleActionSettings"
-    ] = serializeAws_restJson1_1ScheduleActionSettings(
-      input.ScheduleActionSettings,
-      context
-    );
-  }
-  if (input.ScheduleActionStartSettings !== undefined) {
-    bodyParams[
-      "scheduleActionStartSettings"
-    ] = serializeAws_restJson1_1ScheduleActionStartSettings(
-      input.ScheduleActionStartSettings,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ActionName !== undefined && { actionName: input.ActionName }),
+    ...(input.ScheduleActionSettings !== undefined && {
+      scheduleActionSettings: serializeAws_restJson1_1ScheduleActionSettings(
+        input.ScheduleActionSettings,
+        context
+      )
+    }),
+    ...(input.ScheduleActionStartSettings !== undefined && {
+      scheduleActionStartSettings: serializeAws_restJson1_1ScheduleActionStartSettings(
+        input.ScheduleActionStartSettings,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1ScheduleActionSettings = (
   input: ScheduleActionSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.HlsId3SegmentTaggingSettings !== undefined) {
-    bodyParams[
-      "hlsId3SegmentTaggingSettings"
-    ] = serializeAws_restJson1_1HlsId3SegmentTaggingScheduleActionSettings(
-      input.HlsId3SegmentTaggingSettings,
-      context
-    );
-  }
-  if (input.HlsTimedMetadataSettings !== undefined) {
-    bodyParams[
-      "hlsTimedMetadataSettings"
-    ] = serializeAws_restJson1_1HlsTimedMetadataScheduleActionSettings(
-      input.HlsTimedMetadataSettings,
-      context
-    );
-  }
-  if (input.InputSwitchSettings !== undefined) {
-    bodyParams[
-      "inputSwitchSettings"
-    ] = serializeAws_restJson1_1InputSwitchScheduleActionSettings(
-      input.InputSwitchSettings,
-      context
-    );
-  }
-  if (input.PauseStateSettings !== undefined) {
-    bodyParams[
-      "pauseStateSettings"
-    ] = serializeAws_restJson1_1PauseStateScheduleActionSettings(
-      input.PauseStateSettings,
-      context
-    );
-  }
-  if (input.Scte35ReturnToNetworkSettings !== undefined) {
-    bodyParams[
-      "scte35ReturnToNetworkSettings"
-    ] = serializeAws_restJson1_1Scte35ReturnToNetworkScheduleActionSettings(
-      input.Scte35ReturnToNetworkSettings,
-      context
-    );
-  }
-  if (input.Scte35SpliceInsertSettings !== undefined) {
-    bodyParams[
-      "scte35SpliceInsertSettings"
-    ] = serializeAws_restJson1_1Scte35SpliceInsertScheduleActionSettings(
-      input.Scte35SpliceInsertSettings,
-      context
-    );
-  }
-  if (input.Scte35TimeSignalSettings !== undefined) {
-    bodyParams[
-      "scte35TimeSignalSettings"
-    ] = serializeAws_restJson1_1Scte35TimeSignalScheduleActionSettings(
-      input.Scte35TimeSignalSettings,
-      context
-    );
-  }
-  if (input.StaticImageActivateSettings !== undefined) {
-    bodyParams[
-      "staticImageActivateSettings"
-    ] = serializeAws_restJson1_1StaticImageActivateScheduleActionSettings(
-      input.StaticImageActivateSettings,
-      context
-    );
-  }
-  if (input.StaticImageDeactivateSettings !== undefined) {
-    bodyParams[
-      "staticImageDeactivateSettings"
-    ] = serializeAws_restJson1_1StaticImageDeactivateScheduleActionSettings(
-      input.StaticImageDeactivateSettings,
-      context
-    );
-  }
-  return bodyParams;
-};
-
-const serializeAws_restJson1_1ScheduleActionStartSettings = (
-  input: ScheduleActionStartSettings,
-  context: __SerdeContext
-): any => {
-  const bodyParams: any = {};
-  if (input.FixedModeScheduleActionStartSettings !== undefined) {
-    bodyParams[
-      "fixedModeScheduleActionStartSettings"
-    ] = serializeAws_restJson1_1FixedModeScheduleActionStartSettings(
-      input.FixedModeScheduleActionStartSettings,
-      context
-    );
-  }
-  if (input.FollowModeScheduleActionStartSettings !== undefined) {
-    bodyParams[
-      "followModeScheduleActionStartSettings"
-    ] = serializeAws_restJson1_1FollowModeScheduleActionStartSettings(
-      input.FollowModeScheduleActionStartSettings,
-      context
-    );
-  }
-  if (input.ImmediateModeScheduleActionStartSettings !== undefined) {
-    bodyParams[
-      "immediateModeScheduleActionStartSettings"
-    ] = serializeAws_restJson1_1ImmediateModeScheduleActionStartSettings(
-      input.ImmediateModeScheduleActionStartSettings,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.HlsId3SegmentTaggingSettings !== undefined && {
+      hlsId3SegmentTaggingSettings: serializeAws_restJson1_1HlsId3SegmentTaggingScheduleActionSettings(
+        input.HlsId3SegmentTaggingSettings,
+        context
+      )
+    }),
+    ...(input.HlsTimedMetadataSettings !== undefined && {
+      hlsTimedMetadataSettings: serializeAws_restJson1_1HlsTimedMetadataScheduleActionSettings(
+        input.HlsTimedMetadataSettings,
+        context
+      )
+    }),
+    ...(input.InputSwitchSettings !== undefined && {
+      inputSwitchSettings: serializeAws_restJson1_1InputSwitchScheduleActionSettings(
+        input.InputSwitchSettings,
+        context
+      )
+    }),
+    ...(input.PauseStateSettings !== undefined && {
+      pauseStateSettings: serializeAws_restJson1_1PauseStateScheduleActionSettings(
+        input.PauseStateSettings,
+        context
+      )
+    }),
+    ...(input.Scte35ReturnToNetworkSettings !== undefined && {
+      scte35ReturnToNetworkSettings: serializeAws_restJson1_1Scte35ReturnToNetworkScheduleActionSettings(
+        input.Scte35ReturnToNetworkSettings,
+        context
+      )
+    }),
+    ...(input.Scte35SpliceInsertSettings !== undefined && {
+      scte35SpliceInsertSettings: serializeAws_restJson1_1Scte35SpliceInsertScheduleActionSettings(
+        input.Scte35SpliceInsertSettings,
+        context
+      )
+    }),
+    ...(input.Scte35TimeSignalSettings !== undefined && {
+      scte35TimeSignalSettings: serializeAws_restJson1_1Scte35TimeSignalScheduleActionSettings(
+        input.Scte35TimeSignalSettings,
+        context
+      )
+    }),
+    ...(input.StaticImageActivateSettings !== undefined && {
+      staticImageActivateSettings: serializeAws_restJson1_1StaticImageActivateScheduleActionSettings(
+        input.StaticImageActivateSettings,
+        context
+      )
+    }),
+    ...(input.StaticImageDeactivateSettings !== undefined && {
+      staticImageDeactivateSettings: serializeAws_restJson1_1StaticImageDeactivateScheduleActionSettings(
+        input.StaticImageDeactivateSettings,
+        context
+      )
+    })
+  };
+};
+
+const serializeAws_restJson1_1ScheduleActionStartSettings = (
+  input: ScheduleActionStartSettings,
+  context: __SerdeContext
+): any => {
+  return {
+    ...(input.FixedModeScheduleActionStartSettings !== undefined && {
+      fixedModeScheduleActionStartSettings: serializeAws_restJson1_1FixedModeScheduleActionStartSettings(
+        input.FixedModeScheduleActionStartSettings,
+        context
+      )
+    }),
+    ...(input.FollowModeScheduleActionStartSettings !== undefined && {
+      followModeScheduleActionStartSettings: serializeAws_restJson1_1FollowModeScheduleActionStartSettings(
+        input.FollowModeScheduleActionStartSettings,
+        context
+      )
+    }),
+    ...(input.ImmediateModeScheduleActionStartSettings !== undefined && {
+      immediateModeScheduleActionStartSettings: serializeAws_restJson1_1ImmediateModeScheduleActionStartSettings(
+        input.ImmediateModeScheduleActionStartSettings,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1Scte20PlusEmbeddedDestinationSettings = (
   input: Scte20PlusEmbeddedDestinationSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  return bodyParams;
+  return {};
 };
 
 const serializeAws_restJson1_1Scte20SourceSettings = (
   input: Scte20SourceSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Convert608To708 !== undefined) {
-    bodyParams["convert608To708"] = input.Convert608To708;
-  }
-  if (input.Source608ChannelNumber !== undefined) {
-    bodyParams["source608ChannelNumber"] = input.Source608ChannelNumber;
-  }
-  return bodyParams;
+  return {
+    ...(input.Convert608To708 !== undefined && {
+      convert608To708: input.Convert608To708
+    }),
+    ...(input.Source608ChannelNumber !== undefined && {
+      source608ChannelNumber: input.Source608ChannelNumber
+    })
+  };
 };
 
 const serializeAws_restJson1_1Scte27DestinationSettings = (
   input: Scte27DestinationSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  return bodyParams;
+  return {};
 };
 
 const serializeAws_restJson1_1Scte27SourceSettings = (
   input: Scte27SourceSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Pid !== undefined) {
-    bodyParams["pid"] = input.Pid;
-  }
-  return bodyParams;
+  return {
+    ...(input.Pid !== undefined && { pid: input.Pid })
+  };
 };
 
 const serializeAws_restJson1_1Scte35DeliveryRestrictions = (
   input: Scte35DeliveryRestrictions,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ArchiveAllowedFlag !== undefined) {
-    bodyParams["archiveAllowedFlag"] = input.ArchiveAllowedFlag;
-  }
-  if (input.DeviceRestrictions !== undefined) {
-    bodyParams["deviceRestrictions"] = input.DeviceRestrictions;
-  }
-  if (input.NoRegionalBlackoutFlag !== undefined) {
-    bodyParams["noRegionalBlackoutFlag"] = input.NoRegionalBlackoutFlag;
-  }
-  if (input.WebDeliveryAllowedFlag !== undefined) {
-    bodyParams["webDeliveryAllowedFlag"] = input.WebDeliveryAllowedFlag;
-  }
-  return bodyParams;
+  return {
+    ...(input.ArchiveAllowedFlag !== undefined && {
+      archiveAllowedFlag: input.ArchiveAllowedFlag
+    }),
+    ...(input.DeviceRestrictions !== undefined && {
+      deviceRestrictions: input.DeviceRestrictions
+    }),
+    ...(input.NoRegionalBlackoutFlag !== undefined && {
+      noRegionalBlackoutFlag: input.NoRegionalBlackoutFlag
+    }),
+    ...(input.WebDeliveryAllowedFlag !== undefined && {
+      webDeliveryAllowedFlag: input.WebDeliveryAllowedFlag
+    })
+  };
 };
 
 const serializeAws_restJson1_1Scte35Descriptor = (
   input: Scte35Descriptor,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Scte35DescriptorSettings !== undefined) {
-    bodyParams[
-      "scte35DescriptorSettings"
-    ] = serializeAws_restJson1_1Scte35DescriptorSettings(
-      input.Scte35DescriptorSettings,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Scte35DescriptorSettings !== undefined && {
+      scte35DescriptorSettings: serializeAws_restJson1_1Scte35DescriptorSettings(
+        input.Scte35DescriptorSettings,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1Scte35DescriptorSettings = (
   input: Scte35DescriptorSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.SegmentationDescriptorScte35DescriptorSettings !== undefined) {
-    bodyParams[
-      "segmentationDescriptorScte35DescriptorSettings"
-    ] = serializeAws_restJson1_1Scte35SegmentationDescriptor(
-      input.SegmentationDescriptorScte35DescriptorSettings,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.SegmentationDescriptorScte35DescriptorSettings !== undefined && {
+      segmentationDescriptorScte35DescriptorSettings: serializeAws_restJson1_1Scte35SegmentationDescriptor(
+        input.SegmentationDescriptorScte35DescriptorSettings,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1Scte35ReturnToNetworkScheduleActionSettings = (
   input: Scte35ReturnToNetworkScheduleActionSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.SpliceEventId !== undefined) {
-    bodyParams["spliceEventId"] = input.SpliceEventId;
-  }
-  return bodyParams;
+  return {
+    ...(input.SpliceEventId !== undefined && {
+      spliceEventId: input.SpliceEventId
+    })
+  };
 };
 
 const serializeAws_restJson1_1Scte35SegmentationDescriptor = (
   input: Scte35SegmentationDescriptor,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DeliveryRestrictions !== undefined) {
-    bodyParams[
-      "deliveryRestrictions"
-    ] = serializeAws_restJson1_1Scte35DeliveryRestrictions(
-      input.DeliveryRestrictions,
-      context
-    );
-  }
-  if (input.SegmentNum !== undefined) {
-    bodyParams["segmentNum"] = input.SegmentNum;
-  }
-  if (input.SegmentationCancelIndicator !== undefined) {
-    bodyParams["segmentationCancelIndicator"] =
-      input.SegmentationCancelIndicator;
-  }
-  if (input.SegmentationDuration !== undefined) {
-    bodyParams["segmentationDuration"] = input.SegmentationDuration;
-  }
-  if (input.SegmentationEventId !== undefined) {
-    bodyParams["segmentationEventId"] = input.SegmentationEventId;
-  }
-  if (input.SegmentationTypeId !== undefined) {
-    bodyParams["segmentationTypeId"] = input.SegmentationTypeId;
-  }
-  if (input.SegmentationUpid !== undefined) {
-    bodyParams["segmentationUpid"] = input.SegmentationUpid;
-  }
-  if (input.SegmentationUpidType !== undefined) {
-    bodyParams["segmentationUpidType"] = input.SegmentationUpidType;
-  }
-  if (input.SegmentsExpected !== undefined) {
-    bodyParams["segmentsExpected"] = input.SegmentsExpected;
-  }
-  if (input.SubSegmentNum !== undefined) {
-    bodyParams["subSegmentNum"] = input.SubSegmentNum;
-  }
-  if (input.SubSegmentsExpected !== undefined) {
-    bodyParams["subSegmentsExpected"] = input.SubSegmentsExpected;
-  }
-  return bodyParams;
+  return {
+    ...(input.DeliveryRestrictions !== undefined && {
+      deliveryRestrictions: serializeAws_restJson1_1Scte35DeliveryRestrictions(
+        input.DeliveryRestrictions,
+        context
+      )
+    }),
+    ...(input.SegmentNum !== undefined && { segmentNum: input.SegmentNum }),
+    ...(input.SegmentationCancelIndicator !== undefined && {
+      segmentationCancelIndicator: input.SegmentationCancelIndicator
+    }),
+    ...(input.SegmentationDuration !== undefined && {
+      segmentationDuration: input.SegmentationDuration
+    }),
+    ...(input.SegmentationEventId !== undefined && {
+      segmentationEventId: input.SegmentationEventId
+    }),
+    ...(input.SegmentationTypeId !== undefined && {
+      segmentationTypeId: input.SegmentationTypeId
+    }),
+    ...(input.SegmentationUpid !== undefined && {
+      segmentationUpid: input.SegmentationUpid
+    }),
+    ...(input.SegmentationUpidType !== undefined && {
+      segmentationUpidType: input.SegmentationUpidType
+    }),
+    ...(input.SegmentsExpected !== undefined && {
+      segmentsExpected: input.SegmentsExpected
+    }),
+    ...(input.SubSegmentNum !== undefined && {
+      subSegmentNum: input.SubSegmentNum
+    }),
+    ...(input.SubSegmentsExpected !== undefined && {
+      subSegmentsExpected: input.SubSegmentsExpected
+    })
+  };
 };
 
 const serializeAws_restJson1_1Scte35SpliceInsert = (
   input: Scte35SpliceInsert,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AdAvailOffset !== undefined) {
-    bodyParams["adAvailOffset"] = input.AdAvailOffset;
-  }
-  if (input.NoRegionalBlackoutFlag !== undefined) {
-    bodyParams["noRegionalBlackoutFlag"] = input.NoRegionalBlackoutFlag;
-  }
-  if (input.WebDeliveryAllowedFlag !== undefined) {
-    bodyParams["webDeliveryAllowedFlag"] = input.WebDeliveryAllowedFlag;
-  }
-  return bodyParams;
+  return {
+    ...(input.AdAvailOffset !== undefined && {
+      adAvailOffset: input.AdAvailOffset
+    }),
+    ...(input.NoRegionalBlackoutFlag !== undefined && {
+      noRegionalBlackoutFlag: input.NoRegionalBlackoutFlag
+    }),
+    ...(input.WebDeliveryAllowedFlag !== undefined && {
+      webDeliveryAllowedFlag: input.WebDeliveryAllowedFlag
+    })
+  };
 };
 
 const serializeAws_restJson1_1Scte35SpliceInsertScheduleActionSettings = (
   input: Scte35SpliceInsertScheduleActionSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Duration !== undefined) {
-    bodyParams["duration"] = input.Duration;
-  }
-  if (input.SpliceEventId !== undefined) {
-    bodyParams["spliceEventId"] = input.SpliceEventId;
-  }
-  return bodyParams;
+  return {
+    ...(input.Duration !== undefined && { duration: input.Duration }),
+    ...(input.SpliceEventId !== undefined && {
+      spliceEventId: input.SpliceEventId
+    })
+  };
 };
 
 const serializeAws_restJson1_1Scte35TimeSignalApos = (
   input: Scte35TimeSignalApos,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AdAvailOffset !== undefined) {
-    bodyParams["adAvailOffset"] = input.AdAvailOffset;
-  }
-  if (input.NoRegionalBlackoutFlag !== undefined) {
-    bodyParams["noRegionalBlackoutFlag"] = input.NoRegionalBlackoutFlag;
-  }
-  if (input.WebDeliveryAllowedFlag !== undefined) {
-    bodyParams["webDeliveryAllowedFlag"] = input.WebDeliveryAllowedFlag;
-  }
-  return bodyParams;
+  return {
+    ...(input.AdAvailOffset !== undefined && {
+      adAvailOffset: input.AdAvailOffset
+    }),
+    ...(input.NoRegionalBlackoutFlag !== undefined && {
+      noRegionalBlackoutFlag: input.NoRegionalBlackoutFlag
+    }),
+    ...(input.WebDeliveryAllowedFlag !== undefined && {
+      webDeliveryAllowedFlag: input.WebDeliveryAllowedFlag
+    })
+  };
 };
 
 const serializeAws_restJson1_1Scte35TimeSignalScheduleActionSettings = (
   input: Scte35TimeSignalScheduleActionSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Scte35Descriptors !== undefined) {
-    bodyParams[
-      "scte35Descriptors"
-    ] = serializeAws_restJson1_1__listOfScte35Descriptor(
-      input.Scte35Descriptors,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Scte35Descriptors !== undefined && {
+      scte35Descriptors: serializeAws_restJson1_1__listOfScte35Descriptor(
+        input.Scte35Descriptors,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1SmpteTtDestinationSettings = (
   input: SmpteTtDestinationSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  return bodyParams;
+  return {};
 };
 
 const serializeAws_restJson1_1StandardHlsSettings = (
   input: StandardHlsSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AudioRenditionSets !== undefined) {
-    bodyParams["audioRenditionSets"] = input.AudioRenditionSets;
-  }
-  if (input.M3u8Settings !== undefined) {
-    bodyParams["m3u8Settings"] = serializeAws_restJson1_1M3u8Settings(
-      input.M3u8Settings,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.AudioRenditionSets !== undefined && {
+      audioRenditionSets: input.AudioRenditionSets
+    }),
+    ...(input.M3u8Settings !== undefined && {
+      m3u8Settings: serializeAws_restJson1_1M3u8Settings(
+        input.M3u8Settings,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1StartTimecode = (
   input: StartTimecode,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Timecode !== undefined) {
-    bodyParams["timecode"] = input.Timecode;
-  }
-  return bodyParams;
+  return {
+    ...(input.Timecode !== undefined && { timecode: input.Timecode })
+  };
 };
 
 const serializeAws_restJson1_1StaticImageActivateScheduleActionSettings = (
   input: StaticImageActivateScheduleActionSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Duration !== undefined) {
-    bodyParams["duration"] = input.Duration;
-  }
-  if (input.FadeIn !== undefined) {
-    bodyParams["fadeIn"] = input.FadeIn;
-  }
-  if (input.FadeOut !== undefined) {
-    bodyParams["fadeOut"] = input.FadeOut;
-  }
-  if (input.Height !== undefined) {
-    bodyParams["height"] = input.Height;
-  }
-  if (input.Image !== undefined) {
-    bodyParams["image"] = serializeAws_restJson1_1InputLocation(
-      input.Image,
-      context
-    );
-  }
-  if (input.ImageX !== undefined) {
-    bodyParams["imageX"] = input.ImageX;
-  }
-  if (input.ImageY !== undefined) {
-    bodyParams["imageY"] = input.ImageY;
-  }
-  if (input.Layer !== undefined) {
-    bodyParams["layer"] = input.Layer;
-  }
-  if (input.Opacity !== undefined) {
-    bodyParams["opacity"] = input.Opacity;
-  }
-  if (input.Width !== undefined) {
-    bodyParams["width"] = input.Width;
-  }
-  return bodyParams;
+  return {
+    ...(input.Duration !== undefined && { duration: input.Duration }),
+    ...(input.FadeIn !== undefined && { fadeIn: input.FadeIn }),
+    ...(input.FadeOut !== undefined && { fadeOut: input.FadeOut }),
+    ...(input.Height !== undefined && { height: input.Height }),
+    ...(input.Image !== undefined && {
+      image: serializeAws_restJson1_1InputLocation(input.Image, context)
+    }),
+    ...(input.ImageX !== undefined && { imageX: input.ImageX }),
+    ...(input.ImageY !== undefined && { imageY: input.ImageY }),
+    ...(input.Layer !== undefined && { layer: input.Layer }),
+    ...(input.Opacity !== undefined && { opacity: input.Opacity }),
+    ...(input.Width !== undefined && { width: input.Width })
+  };
 };
 
 const serializeAws_restJson1_1StaticImageDeactivateScheduleActionSettings = (
   input: StaticImageDeactivateScheduleActionSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.FadeOut !== undefined) {
-    bodyParams["fadeOut"] = input.FadeOut;
-  }
-  if (input.Layer !== undefined) {
-    bodyParams["layer"] = input.Layer;
-  }
-  return bodyParams;
+  return {
+    ...(input.FadeOut !== undefined && { fadeOut: input.FadeOut }),
+    ...(input.Layer !== undefined && { layer: input.Layer })
+  };
 };
 
 const serializeAws_restJson1_1StaticKeySettings = (
   input: StaticKeySettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.KeyProviderServer !== undefined) {
-    bodyParams["keyProviderServer"] = serializeAws_restJson1_1InputLocation(
-      input.KeyProviderServer,
-      context
-    );
-  }
-  if (input.StaticKeyValue !== undefined) {
-    bodyParams["staticKeyValue"] = input.StaticKeyValue;
-  }
-  return bodyParams;
+  return {
+    ...(input.KeyProviderServer !== undefined && {
+      keyProviderServer: serializeAws_restJson1_1InputLocation(
+        input.KeyProviderServer,
+        context
+      )
+    }),
+    ...(input.StaticKeyValue !== undefined && {
+      staticKeyValue: input.StaticKeyValue
+    })
+  };
 };
 
 const serializeAws_restJson1_1StopTimecode = (
   input: StopTimecode,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.LastFrameClippingBehavior !== undefined) {
-    bodyParams["lastFrameClippingBehavior"] = input.LastFrameClippingBehavior;
-  }
-  if (input.Timecode !== undefined) {
-    bodyParams["timecode"] = input.Timecode;
-  }
-  return bodyParams;
+  return {
+    ...(input.LastFrameClippingBehavior !== undefined && {
+      lastFrameClippingBehavior: input.LastFrameClippingBehavior
+    }),
+    ...(input.Timecode !== undefined && { timecode: input.Timecode })
+  };
 };
 
 const serializeAws_restJson1_1Tags = (
@@ -12316,240 +11716,210 @@ const serializeAws_restJson1_1TeletextDestinationSettings = (
   input: TeletextDestinationSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  return bodyParams;
+  return {};
 };
 
 const serializeAws_restJson1_1TeletextSourceSettings = (
   input: TeletextSourceSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.PageNumber !== undefined) {
-    bodyParams["pageNumber"] = input.PageNumber;
-  }
-  return bodyParams;
+  return {
+    ...(input.PageNumber !== undefined && { pageNumber: input.PageNumber })
+  };
 };
 
 const serializeAws_restJson1_1TimecodeConfig = (
   input: TimecodeConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Source !== undefined) {
-    bodyParams["source"] = input.Source;
-  }
-  if (input.SyncThreshold !== undefined) {
-    bodyParams["syncThreshold"] = input.SyncThreshold;
-  }
-  return bodyParams;
+  return {
+    ...(input.Source !== undefined && { source: input.Source }),
+    ...(input.SyncThreshold !== undefined && {
+      syncThreshold: input.SyncThreshold
+    })
+  };
 };
 
 const serializeAws_restJson1_1TtmlDestinationSettings = (
   input: TtmlDestinationSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.StyleControl !== undefined) {
-    bodyParams["styleControl"] = input.StyleControl;
-  }
-  return bodyParams;
+  return {
+    ...(input.StyleControl !== undefined && {
+      styleControl: input.StyleControl
+    })
+  };
 };
 
 const serializeAws_restJson1_1UdpContainerSettings = (
   input: UdpContainerSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.M2tsSettings !== undefined) {
-    bodyParams["m2tsSettings"] = serializeAws_restJson1_1M2tsSettings(
-      input.M2tsSettings,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.M2tsSettings !== undefined && {
+      m2tsSettings: serializeAws_restJson1_1M2tsSettings(
+        input.M2tsSettings,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1UdpGroupSettings = (
   input: UdpGroupSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.InputLossAction !== undefined) {
-    bodyParams["inputLossAction"] = input.InputLossAction;
-  }
-  if (input.TimedMetadataId3Frame !== undefined) {
-    bodyParams["timedMetadataId3Frame"] = input.TimedMetadataId3Frame;
-  }
-  if (input.TimedMetadataId3Period !== undefined) {
-    bodyParams["timedMetadataId3Period"] = input.TimedMetadataId3Period;
-  }
-  return bodyParams;
+  return {
+    ...(input.InputLossAction !== undefined && {
+      inputLossAction: input.InputLossAction
+    }),
+    ...(input.TimedMetadataId3Frame !== undefined && {
+      timedMetadataId3Frame: input.TimedMetadataId3Frame
+    }),
+    ...(input.TimedMetadataId3Period !== undefined && {
+      timedMetadataId3Period: input.TimedMetadataId3Period
+    })
+  };
 };
 
 const serializeAws_restJson1_1UdpOutputSettings = (
   input: UdpOutputSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.BufferMsec !== undefined) {
-    bodyParams["bufferMsec"] = input.BufferMsec;
-  }
-  if (input.ContainerSettings !== undefined) {
-    bodyParams[
-      "containerSettings"
-    ] = serializeAws_restJson1_1UdpContainerSettings(
-      input.ContainerSettings,
-      context
-    );
-  }
-  if (input.Destination !== undefined) {
-    bodyParams["destination"] = serializeAws_restJson1_1OutputLocationRef(
-      input.Destination,
-      context
-    );
-  }
-  if (input.FecOutputSettings !== undefined) {
-    bodyParams["fecOutputSettings"] = serializeAws_restJson1_1FecOutputSettings(
-      input.FecOutputSettings,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.BufferMsec !== undefined && { bufferMsec: input.BufferMsec }),
+    ...(input.ContainerSettings !== undefined && {
+      containerSettings: serializeAws_restJson1_1UdpContainerSettings(
+        input.ContainerSettings,
+        context
+      )
+    }),
+    ...(input.Destination !== undefined && {
+      destination: serializeAws_restJson1_1OutputLocationRef(
+        input.Destination,
+        context
+      )
+    }),
+    ...(input.FecOutputSettings !== undefined && {
+      fecOutputSettings: serializeAws_restJson1_1FecOutputSettings(
+        input.FecOutputSettings,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1VideoCodecSettings = (
   input: VideoCodecSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.FrameCaptureSettings !== undefined) {
-    bodyParams[
-      "frameCaptureSettings"
-    ] = serializeAws_restJson1_1FrameCaptureSettings(
-      input.FrameCaptureSettings,
-      context
-    );
-  }
-  if (input.H264Settings !== undefined) {
-    bodyParams["h264Settings"] = serializeAws_restJson1_1H264Settings(
-      input.H264Settings,
-      context
-    );
-  }
-  if (input.H265Settings !== undefined) {
-    bodyParams["h265Settings"] = serializeAws_restJson1_1H265Settings(
-      input.H265Settings,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.FrameCaptureSettings !== undefined && {
+      frameCaptureSettings: serializeAws_restJson1_1FrameCaptureSettings(
+        input.FrameCaptureSettings,
+        context
+      )
+    }),
+    ...(input.H264Settings !== undefined && {
+      h264Settings: serializeAws_restJson1_1H264Settings(
+        input.H264Settings,
+        context
+      )
+    }),
+    ...(input.H265Settings !== undefined && {
+      h265Settings: serializeAws_restJson1_1H265Settings(
+        input.H265Settings,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1VideoDescription = (
   input: VideoDescription,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CodecSettings !== undefined) {
-    bodyParams["codecSettings"] = serializeAws_restJson1_1VideoCodecSettings(
-      input.CodecSettings,
-      context
-    );
-  }
-  if (input.Height !== undefined) {
-    bodyParams["height"] = input.Height;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["name"] = input.Name;
-  }
-  if (input.RespondToAfd !== undefined) {
-    bodyParams["respondToAfd"] = input.RespondToAfd;
-  }
-  if (input.ScalingBehavior !== undefined) {
-    bodyParams["scalingBehavior"] = input.ScalingBehavior;
-  }
-  if (input.Sharpness !== undefined) {
-    bodyParams["sharpness"] = input.Sharpness;
-  }
-  if (input.Width !== undefined) {
-    bodyParams["width"] = input.Width;
-  }
-  return bodyParams;
+  return {
+    ...(input.CodecSettings !== undefined && {
+      codecSettings: serializeAws_restJson1_1VideoCodecSettings(
+        input.CodecSettings,
+        context
+      )
+    }),
+    ...(input.Height !== undefined && { height: input.Height }),
+    ...(input.Name !== undefined && { name: input.Name }),
+    ...(input.RespondToAfd !== undefined && {
+      respondToAfd: input.RespondToAfd
+    }),
+    ...(input.ScalingBehavior !== undefined && {
+      scalingBehavior: input.ScalingBehavior
+    }),
+    ...(input.Sharpness !== undefined && { sharpness: input.Sharpness }),
+    ...(input.Width !== undefined && { width: input.Width })
+  };
 };
 
 const serializeAws_restJson1_1VideoSelector = (
   input: VideoSelector,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ColorSpace !== undefined) {
-    bodyParams["colorSpace"] = input.ColorSpace;
-  }
-  if (input.ColorSpaceUsage !== undefined) {
-    bodyParams["colorSpaceUsage"] = input.ColorSpaceUsage;
-  }
-  if (input.SelectorSettings !== undefined) {
-    bodyParams[
-      "selectorSettings"
-    ] = serializeAws_restJson1_1VideoSelectorSettings(
-      input.SelectorSettings,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ColorSpace !== undefined && { colorSpace: input.ColorSpace }),
+    ...(input.ColorSpaceUsage !== undefined && {
+      colorSpaceUsage: input.ColorSpaceUsage
+    }),
+    ...(input.SelectorSettings !== undefined && {
+      selectorSettings: serializeAws_restJson1_1VideoSelectorSettings(
+        input.SelectorSettings,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1VideoSelectorPid = (
   input: VideoSelectorPid,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Pid !== undefined) {
-    bodyParams["pid"] = input.Pid;
-  }
-  return bodyParams;
+  return {
+    ...(input.Pid !== undefined && { pid: input.Pid })
+  };
 };
 
 const serializeAws_restJson1_1VideoSelectorProgramId = (
   input: VideoSelectorProgramId,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ProgramId !== undefined) {
-    bodyParams["programId"] = input.ProgramId;
-  }
-  return bodyParams;
+  return {
+    ...(input.ProgramId !== undefined && { programId: input.ProgramId })
+  };
 };
 
 const serializeAws_restJson1_1VideoSelectorSettings = (
   input: VideoSelectorSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.VideoSelectorPid !== undefined) {
-    bodyParams["videoSelectorPid"] = serializeAws_restJson1_1VideoSelectorPid(
-      input.VideoSelectorPid,
-      context
-    );
-  }
-  if (input.VideoSelectorProgramId !== undefined) {
-    bodyParams[
-      "videoSelectorProgramId"
-    ] = serializeAws_restJson1_1VideoSelectorProgramId(
-      input.VideoSelectorProgramId,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.VideoSelectorPid !== undefined && {
+      videoSelectorPid: serializeAws_restJson1_1VideoSelectorPid(
+        input.VideoSelectorPid,
+        context
+      )
+    }),
+    ...(input.VideoSelectorProgramId !== undefined && {
+      videoSelectorProgramId: serializeAws_restJson1_1VideoSelectorProgramId(
+        input.VideoSelectorProgramId,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1WebvttDestinationSettings = (
   input: WebvttDestinationSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  return bodyParams;
+  return {};
 };
 
 const serializeAws_restJson1_1__listOfAudioChannelMapping = (
diff --git a/clients/client-mediapackage-vod/protocols/Aws_restJson1_1.ts b/clients/client-mediapackage-vod/protocols/Aws_restJson1_1.ts
index 8bcd87356921..fd4b3972d702 100644
--- a/clients/client-mediapackage-vod/protocols/Aws_restJson1_1.ts
+++ b/clients/client-mediapackage-vod/protocols/Aws_restJson1_1.ts
@@ -2151,265 +2151,253 @@ const serializeAws_restJson1_1CmafEncryption = (
   input: CmafEncryption,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.SpekeKeyProvider !== undefined) {
-    bodyParams["spekeKeyProvider"] = serializeAws_restJson1_1SpekeKeyProvider(
-      input.SpekeKeyProvider,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.SpekeKeyProvider !== undefined && {
+      spekeKeyProvider: serializeAws_restJson1_1SpekeKeyProvider(
+        input.SpekeKeyProvider,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1CmafPackage = (
   input: CmafPackage,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Encryption !== undefined) {
-    bodyParams["encryption"] = serializeAws_restJson1_1CmafEncryption(
-      input.Encryption,
-      context
-    );
-  }
-  if (input.HlsManifests !== undefined) {
-    bodyParams["hlsManifests"] = serializeAws_restJson1_1__listOfHlsManifest(
-      input.HlsManifests,
-      context
-    );
-  }
-  if (input.SegmentDurationSeconds !== undefined) {
-    bodyParams["segmentDurationSeconds"] = input.SegmentDurationSeconds;
-  }
-  return bodyParams;
+  return {
+    ...(input.Encryption !== undefined && {
+      encryption: serializeAws_restJson1_1CmafEncryption(
+        input.Encryption,
+        context
+      )
+    }),
+    ...(input.HlsManifests !== undefined && {
+      hlsManifests: serializeAws_restJson1_1__listOfHlsManifest(
+        input.HlsManifests,
+        context
+      )
+    }),
+    ...(input.SegmentDurationSeconds !== undefined && {
+      segmentDurationSeconds: input.SegmentDurationSeconds
+    })
+  };
 };
 
 const serializeAws_restJson1_1DashEncryption = (
   input: DashEncryption,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.SpekeKeyProvider !== undefined) {
-    bodyParams["spekeKeyProvider"] = serializeAws_restJson1_1SpekeKeyProvider(
-      input.SpekeKeyProvider,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.SpekeKeyProvider !== undefined && {
+      spekeKeyProvider: serializeAws_restJson1_1SpekeKeyProvider(
+        input.SpekeKeyProvider,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1DashManifest = (
   input: DashManifest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ManifestName !== undefined) {
-    bodyParams["manifestName"] = input.ManifestName;
-  }
-  if (input.MinBufferTimeSeconds !== undefined) {
-    bodyParams["minBufferTimeSeconds"] = input.MinBufferTimeSeconds;
-  }
-  if (input.Profile !== undefined) {
-    bodyParams["profile"] = input.Profile;
-  }
-  if (input.StreamSelection !== undefined) {
-    bodyParams["streamSelection"] = serializeAws_restJson1_1StreamSelection(
-      input.StreamSelection,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ManifestName !== undefined && {
+      manifestName: input.ManifestName
+    }),
+    ...(input.MinBufferTimeSeconds !== undefined && {
+      minBufferTimeSeconds: input.MinBufferTimeSeconds
+    }),
+    ...(input.Profile !== undefined && { profile: input.Profile }),
+    ...(input.StreamSelection !== undefined && {
+      streamSelection: serializeAws_restJson1_1StreamSelection(
+        input.StreamSelection,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1DashPackage = (
   input: DashPackage,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DashManifests !== undefined) {
-    bodyParams["dashManifests"] = serializeAws_restJson1_1__listOfDashManifest(
-      input.DashManifests,
-      context
-    );
-  }
-  if (input.Encryption !== undefined) {
-    bodyParams["encryption"] = serializeAws_restJson1_1DashEncryption(
-      input.Encryption,
-      context
-    );
-  }
-  if (input.SegmentDurationSeconds !== undefined) {
-    bodyParams["segmentDurationSeconds"] = input.SegmentDurationSeconds;
-  }
-  return bodyParams;
+  return {
+    ...(input.DashManifests !== undefined && {
+      dashManifests: serializeAws_restJson1_1__listOfDashManifest(
+        input.DashManifests,
+        context
+      )
+    }),
+    ...(input.Encryption !== undefined && {
+      encryption: serializeAws_restJson1_1DashEncryption(
+        input.Encryption,
+        context
+      )
+    }),
+    ...(input.SegmentDurationSeconds !== undefined && {
+      segmentDurationSeconds: input.SegmentDurationSeconds
+    })
+  };
 };
 
 const serializeAws_restJson1_1HlsEncryption = (
   input: HlsEncryption,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ConstantInitializationVector !== undefined) {
-    bodyParams["constantInitializationVector"] =
-      input.ConstantInitializationVector;
-  }
-  if (input.EncryptionMethod !== undefined) {
-    bodyParams["encryptionMethod"] = input.EncryptionMethod;
-  }
-  if (input.SpekeKeyProvider !== undefined) {
-    bodyParams["spekeKeyProvider"] = serializeAws_restJson1_1SpekeKeyProvider(
-      input.SpekeKeyProvider,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ConstantInitializationVector !== undefined && {
+      constantInitializationVector: input.ConstantInitializationVector
+    }),
+    ...(input.EncryptionMethod !== undefined && {
+      encryptionMethod: input.EncryptionMethod
+    }),
+    ...(input.SpekeKeyProvider !== undefined && {
+      spekeKeyProvider: serializeAws_restJson1_1SpekeKeyProvider(
+        input.SpekeKeyProvider,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1HlsManifest = (
   input: HlsManifest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AdMarkers !== undefined) {
-    bodyParams["adMarkers"] = input.AdMarkers;
-  }
-  if (input.IncludeIframeOnlyStream !== undefined) {
-    bodyParams["includeIframeOnlyStream"] = input.IncludeIframeOnlyStream;
-  }
-  if (input.ManifestName !== undefined) {
-    bodyParams["manifestName"] = input.ManifestName;
-  }
-  if (input.ProgramDateTimeIntervalSeconds !== undefined) {
-    bodyParams["programDateTimeIntervalSeconds"] =
-      input.ProgramDateTimeIntervalSeconds;
-  }
-  if (input.RepeatExtXKey !== undefined) {
-    bodyParams["repeatExtXKey"] = input.RepeatExtXKey;
-  }
-  if (input.StreamSelection !== undefined) {
-    bodyParams["streamSelection"] = serializeAws_restJson1_1StreamSelection(
-      input.StreamSelection,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.AdMarkers !== undefined && { adMarkers: input.AdMarkers }),
+    ...(input.IncludeIframeOnlyStream !== undefined && {
+      includeIframeOnlyStream: input.IncludeIframeOnlyStream
+    }),
+    ...(input.ManifestName !== undefined && {
+      manifestName: input.ManifestName
+    }),
+    ...(input.ProgramDateTimeIntervalSeconds !== undefined && {
+      programDateTimeIntervalSeconds: input.ProgramDateTimeIntervalSeconds
+    }),
+    ...(input.RepeatExtXKey !== undefined && {
+      repeatExtXKey: input.RepeatExtXKey
+    }),
+    ...(input.StreamSelection !== undefined && {
+      streamSelection: serializeAws_restJson1_1StreamSelection(
+        input.StreamSelection,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1HlsPackage = (
   input: HlsPackage,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Encryption !== undefined) {
-    bodyParams["encryption"] = serializeAws_restJson1_1HlsEncryption(
-      input.Encryption,
-      context
-    );
-  }
-  if (input.HlsManifests !== undefined) {
-    bodyParams["hlsManifests"] = serializeAws_restJson1_1__listOfHlsManifest(
-      input.HlsManifests,
-      context
-    );
-  }
-  if (input.SegmentDurationSeconds !== undefined) {
-    bodyParams["segmentDurationSeconds"] = input.SegmentDurationSeconds;
-  }
-  if (input.UseAudioRenditionGroup !== undefined) {
-    bodyParams["useAudioRenditionGroup"] = input.UseAudioRenditionGroup;
-  }
-  return bodyParams;
+  return {
+    ...(input.Encryption !== undefined && {
+      encryption: serializeAws_restJson1_1HlsEncryption(
+        input.Encryption,
+        context
+      )
+    }),
+    ...(input.HlsManifests !== undefined && {
+      hlsManifests: serializeAws_restJson1_1__listOfHlsManifest(
+        input.HlsManifests,
+        context
+      )
+    }),
+    ...(input.SegmentDurationSeconds !== undefined && {
+      segmentDurationSeconds: input.SegmentDurationSeconds
+    }),
+    ...(input.UseAudioRenditionGroup !== undefined && {
+      useAudioRenditionGroup: input.UseAudioRenditionGroup
+    })
+  };
 };
 
 const serializeAws_restJson1_1MssEncryption = (
   input: MssEncryption,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.SpekeKeyProvider !== undefined) {
-    bodyParams["spekeKeyProvider"] = serializeAws_restJson1_1SpekeKeyProvider(
-      input.SpekeKeyProvider,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.SpekeKeyProvider !== undefined && {
+      spekeKeyProvider: serializeAws_restJson1_1SpekeKeyProvider(
+        input.SpekeKeyProvider,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1MssManifest = (
   input: MssManifest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ManifestName !== undefined) {
-    bodyParams["manifestName"] = input.ManifestName;
-  }
-  if (input.StreamSelection !== undefined) {
-    bodyParams["streamSelection"] = serializeAws_restJson1_1StreamSelection(
-      input.StreamSelection,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ManifestName !== undefined && {
+      manifestName: input.ManifestName
+    }),
+    ...(input.StreamSelection !== undefined && {
+      streamSelection: serializeAws_restJson1_1StreamSelection(
+        input.StreamSelection,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1MssPackage = (
   input: MssPackage,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Encryption !== undefined) {
-    bodyParams["encryption"] = serializeAws_restJson1_1MssEncryption(
-      input.Encryption,
-      context
-    );
-  }
-  if (input.MssManifests !== undefined) {
-    bodyParams["mssManifests"] = serializeAws_restJson1_1__listOfMssManifest(
-      input.MssManifests,
-      context
-    );
-  }
-  if (input.SegmentDurationSeconds !== undefined) {
-    bodyParams["segmentDurationSeconds"] = input.SegmentDurationSeconds;
-  }
-  return bodyParams;
+  return {
+    ...(input.Encryption !== undefined && {
+      encryption: serializeAws_restJson1_1MssEncryption(
+        input.Encryption,
+        context
+      )
+    }),
+    ...(input.MssManifests !== undefined && {
+      mssManifests: serializeAws_restJson1_1__listOfMssManifest(
+        input.MssManifests,
+        context
+      )
+    }),
+    ...(input.SegmentDurationSeconds !== undefined && {
+      segmentDurationSeconds: input.SegmentDurationSeconds
+    })
+  };
 };
 
 const serializeAws_restJson1_1SpekeKeyProvider = (
   input: SpekeKeyProvider,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.RoleArn !== undefined) {
-    bodyParams["roleArn"] = input.RoleArn;
-  }
-  if (input.SystemIds !== undefined) {
-    bodyParams["systemIds"] = serializeAws_restJson1_1__listOf__string(
-      input.SystemIds,
-      context
-    );
-  }
-  if (input.Url !== undefined) {
-    bodyParams["url"] = input.Url;
-  }
-  return bodyParams;
+  return {
+    ...(input.RoleArn !== undefined && { roleArn: input.RoleArn }),
+    ...(input.SystemIds !== undefined && {
+      systemIds: serializeAws_restJson1_1__listOf__string(
+        input.SystemIds,
+        context
+      )
+    }),
+    ...(input.Url !== undefined && { url: input.Url })
+  };
 };
 
 const serializeAws_restJson1_1StreamSelection = (
   input: StreamSelection,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxVideoBitsPerSecond !== undefined) {
-    bodyParams["maxVideoBitsPerSecond"] = input.MaxVideoBitsPerSecond;
-  }
-  if (input.MinVideoBitsPerSecond !== undefined) {
-    bodyParams["minVideoBitsPerSecond"] = input.MinVideoBitsPerSecond;
-  }
-  if (input.StreamOrder !== undefined) {
-    bodyParams["streamOrder"] = input.StreamOrder;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxVideoBitsPerSecond !== undefined && {
+      maxVideoBitsPerSecond: input.MaxVideoBitsPerSecond
+    }),
+    ...(input.MinVideoBitsPerSecond !== undefined && {
+      minVideoBitsPerSecond: input.MinVideoBitsPerSecond
+    }),
+    ...(input.StreamOrder !== undefined && { streamOrder: input.StreamOrder })
+  };
 };
 
 const serializeAws_restJson1_1__listOfDashManifest = (
diff --git a/clients/client-mediapackage/protocols/Aws_restJson1_1.ts b/clients/client-mediapackage/protocols/Aws_restJson1_1.ts
index 806431d90df8..336281451b03 100644
--- a/clients/client-mediapackage/protocols/Aws_restJson1_1.ts
+++ b/clients/client-mediapackage/protocols/Aws_restJson1_1.ts
@@ -3274,361 +3274,322 @@ const serializeAws_restJson1_1Authorization = (
   input: Authorization,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CdnIdentifierSecret !== undefined) {
-    bodyParams["cdnIdentifierSecret"] = input.CdnIdentifierSecret;
-  }
-  if (input.SecretsRoleArn !== undefined) {
-    bodyParams["secretsRoleArn"] = input.SecretsRoleArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.CdnIdentifierSecret !== undefined && {
+      cdnIdentifierSecret: input.CdnIdentifierSecret
+    }),
+    ...(input.SecretsRoleArn !== undefined && {
+      secretsRoleArn: input.SecretsRoleArn
+    })
+  };
 };
 
 const serializeAws_restJson1_1CmafEncryption = (
   input: CmafEncryption,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.KeyRotationIntervalSeconds !== undefined) {
-    bodyParams["keyRotationIntervalSeconds"] = input.KeyRotationIntervalSeconds;
-  }
-  if (input.SpekeKeyProvider !== undefined) {
-    bodyParams["spekeKeyProvider"] = serializeAws_restJson1_1SpekeKeyProvider(
-      input.SpekeKeyProvider,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.KeyRotationIntervalSeconds !== undefined && {
+      keyRotationIntervalSeconds: input.KeyRotationIntervalSeconds
+    }),
+    ...(input.SpekeKeyProvider !== undefined && {
+      spekeKeyProvider: serializeAws_restJson1_1SpekeKeyProvider(
+        input.SpekeKeyProvider,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1CmafPackageCreateOrUpdateParameters = (
   input: CmafPackageCreateOrUpdateParameters,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Encryption !== undefined) {
-    bodyParams["encryption"] = serializeAws_restJson1_1CmafEncryption(
-      input.Encryption,
-      context
-    );
-  }
-  if (input.HlsManifests !== undefined) {
-    bodyParams[
-      "hlsManifests"
-    ] = serializeAws_restJson1_1__listOfHlsManifestCreateOrUpdateParameters(
-      input.HlsManifests,
-      context
-    );
-  }
-  if (input.SegmentDurationSeconds !== undefined) {
-    bodyParams["segmentDurationSeconds"] = input.SegmentDurationSeconds;
-  }
-  if (input.SegmentPrefix !== undefined) {
-    bodyParams["segmentPrefix"] = input.SegmentPrefix;
-  }
-  if (input.StreamSelection !== undefined) {
-    bodyParams["streamSelection"] = serializeAws_restJson1_1StreamSelection(
-      input.StreamSelection,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Encryption !== undefined && {
+      encryption: serializeAws_restJson1_1CmafEncryption(
+        input.Encryption,
+        context
+      )
+    }),
+    ...(input.HlsManifests !== undefined && {
+      hlsManifests: serializeAws_restJson1_1__listOfHlsManifestCreateOrUpdateParameters(
+        input.HlsManifests,
+        context
+      )
+    }),
+    ...(input.SegmentDurationSeconds !== undefined && {
+      segmentDurationSeconds: input.SegmentDurationSeconds
+    }),
+    ...(input.SegmentPrefix !== undefined && {
+      segmentPrefix: input.SegmentPrefix
+    }),
+    ...(input.StreamSelection !== undefined && {
+      streamSelection: serializeAws_restJson1_1StreamSelection(
+        input.StreamSelection,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1DashEncryption = (
   input: DashEncryption,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.KeyRotationIntervalSeconds !== undefined) {
-    bodyParams["keyRotationIntervalSeconds"] = input.KeyRotationIntervalSeconds;
-  }
-  if (input.SpekeKeyProvider !== undefined) {
-    bodyParams["spekeKeyProvider"] = serializeAws_restJson1_1SpekeKeyProvider(
-      input.SpekeKeyProvider,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.KeyRotationIntervalSeconds !== undefined && {
+      keyRotationIntervalSeconds: input.KeyRotationIntervalSeconds
+    }),
+    ...(input.SpekeKeyProvider !== undefined && {
+      spekeKeyProvider: serializeAws_restJson1_1SpekeKeyProvider(
+        input.SpekeKeyProvider,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1DashPackage = (
   input: DashPackage,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AdTriggers !== undefined) {
-    bodyParams["adTriggers"] = serializeAws_restJson1_1AdTriggers(
-      input.AdTriggers,
-      context
-    );
-  }
-  if (input.AdsOnDeliveryRestrictions !== undefined) {
-    bodyParams["adsOnDeliveryRestrictions"] = input.AdsOnDeliveryRestrictions;
-  }
-  if (input.Encryption !== undefined) {
-    bodyParams["encryption"] = serializeAws_restJson1_1DashEncryption(
-      input.Encryption,
-      context
-    );
-  }
-  if (input.ManifestLayout !== undefined) {
-    bodyParams["manifestLayout"] = input.ManifestLayout;
-  }
-  if (input.ManifestWindowSeconds !== undefined) {
-    bodyParams["manifestWindowSeconds"] = input.ManifestWindowSeconds;
-  }
-  if (input.MinBufferTimeSeconds !== undefined) {
-    bodyParams["minBufferTimeSeconds"] = input.MinBufferTimeSeconds;
-  }
-  if (input.MinUpdatePeriodSeconds !== undefined) {
-    bodyParams["minUpdatePeriodSeconds"] = input.MinUpdatePeriodSeconds;
-  }
-  if (input.PeriodTriggers !== undefined) {
-    bodyParams[
-      "periodTriggers"
-    ] = serializeAws_restJson1_1__listOf__PeriodTriggersElement(
-      input.PeriodTriggers,
-      context
-    );
-  }
-  if (input.Profile !== undefined) {
-    bodyParams["profile"] = input.Profile;
-  }
-  if (input.SegmentDurationSeconds !== undefined) {
-    bodyParams["segmentDurationSeconds"] = input.SegmentDurationSeconds;
-  }
-  if (input.SegmentTemplateFormat !== undefined) {
-    bodyParams["segmentTemplateFormat"] = input.SegmentTemplateFormat;
-  }
-  if (input.StreamSelection !== undefined) {
-    bodyParams["streamSelection"] = serializeAws_restJson1_1StreamSelection(
-      input.StreamSelection,
-      context
-    );
-  }
-  if (input.SuggestedPresentationDelaySeconds !== undefined) {
-    bodyParams["suggestedPresentationDelaySeconds"] =
-      input.SuggestedPresentationDelaySeconds;
-  }
-  return bodyParams;
+  return {
+    ...(input.AdTriggers !== undefined && {
+      adTriggers: serializeAws_restJson1_1AdTriggers(input.AdTriggers, context)
+    }),
+    ...(input.AdsOnDeliveryRestrictions !== undefined && {
+      adsOnDeliveryRestrictions: input.AdsOnDeliveryRestrictions
+    }),
+    ...(input.Encryption !== undefined && {
+      encryption: serializeAws_restJson1_1DashEncryption(
+        input.Encryption,
+        context
+      )
+    }),
+    ...(input.ManifestLayout !== undefined && {
+      manifestLayout: input.ManifestLayout
+    }),
+    ...(input.ManifestWindowSeconds !== undefined && {
+      manifestWindowSeconds: input.ManifestWindowSeconds
+    }),
+    ...(input.MinBufferTimeSeconds !== undefined && {
+      minBufferTimeSeconds: input.MinBufferTimeSeconds
+    }),
+    ...(input.MinUpdatePeriodSeconds !== undefined && {
+      minUpdatePeriodSeconds: input.MinUpdatePeriodSeconds
+    }),
+    ...(input.PeriodTriggers !== undefined && {
+      periodTriggers: serializeAws_restJson1_1__listOf__PeriodTriggersElement(
+        input.PeriodTriggers,
+        context
+      )
+    }),
+    ...(input.Profile !== undefined && { profile: input.Profile }),
+    ...(input.SegmentDurationSeconds !== undefined && {
+      segmentDurationSeconds: input.SegmentDurationSeconds
+    }),
+    ...(input.SegmentTemplateFormat !== undefined && {
+      segmentTemplateFormat: input.SegmentTemplateFormat
+    }),
+    ...(input.StreamSelection !== undefined && {
+      streamSelection: serializeAws_restJson1_1StreamSelection(
+        input.StreamSelection,
+        context
+      )
+    }),
+    ...(input.SuggestedPresentationDelaySeconds !== undefined && {
+      suggestedPresentationDelaySeconds: input.SuggestedPresentationDelaySeconds
+    })
+  };
 };
 
 const serializeAws_restJson1_1HlsEncryption = (
   input: HlsEncryption,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ConstantInitializationVector !== undefined) {
-    bodyParams["constantInitializationVector"] =
-      input.ConstantInitializationVector;
-  }
-  if (input.EncryptionMethod !== undefined) {
-    bodyParams["encryptionMethod"] = input.EncryptionMethod;
-  }
-  if (input.KeyRotationIntervalSeconds !== undefined) {
-    bodyParams["keyRotationIntervalSeconds"] = input.KeyRotationIntervalSeconds;
-  }
-  if (input.RepeatExtXKey !== undefined) {
-    bodyParams["repeatExtXKey"] = input.RepeatExtXKey;
-  }
-  if (input.SpekeKeyProvider !== undefined) {
-    bodyParams["spekeKeyProvider"] = serializeAws_restJson1_1SpekeKeyProvider(
-      input.SpekeKeyProvider,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ConstantInitializationVector !== undefined && {
+      constantInitializationVector: input.ConstantInitializationVector
+    }),
+    ...(input.EncryptionMethod !== undefined && {
+      encryptionMethod: input.EncryptionMethod
+    }),
+    ...(input.KeyRotationIntervalSeconds !== undefined && {
+      keyRotationIntervalSeconds: input.KeyRotationIntervalSeconds
+    }),
+    ...(input.RepeatExtXKey !== undefined && {
+      repeatExtXKey: input.RepeatExtXKey
+    }),
+    ...(input.SpekeKeyProvider !== undefined && {
+      spekeKeyProvider: serializeAws_restJson1_1SpekeKeyProvider(
+        input.SpekeKeyProvider,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1HlsManifestCreateOrUpdateParameters = (
   input: HlsManifestCreateOrUpdateParameters,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AdMarkers !== undefined) {
-    bodyParams["adMarkers"] = input.AdMarkers;
-  }
-  if (input.AdTriggers !== undefined) {
-    bodyParams["adTriggers"] = serializeAws_restJson1_1AdTriggers(
-      input.AdTriggers,
-      context
-    );
-  }
-  if (input.AdsOnDeliveryRestrictions !== undefined) {
-    bodyParams["adsOnDeliveryRestrictions"] = input.AdsOnDeliveryRestrictions;
-  }
-  if (input.Id !== undefined) {
-    bodyParams["id"] = input.Id;
-  }
-  if (input.IncludeIframeOnlyStream !== undefined) {
-    bodyParams["includeIframeOnlyStream"] = input.IncludeIframeOnlyStream;
-  }
-  if (input.ManifestName !== undefined) {
-    bodyParams["manifestName"] = input.ManifestName;
-  }
-  if (input.PlaylistType !== undefined) {
-    bodyParams["playlistType"] = input.PlaylistType;
-  }
-  if (input.PlaylistWindowSeconds !== undefined) {
-    bodyParams["playlistWindowSeconds"] = input.PlaylistWindowSeconds;
-  }
-  if (input.ProgramDateTimeIntervalSeconds !== undefined) {
-    bodyParams["programDateTimeIntervalSeconds"] =
-      input.ProgramDateTimeIntervalSeconds;
-  }
-  return bodyParams;
+  return {
+    ...(input.AdMarkers !== undefined && { adMarkers: input.AdMarkers }),
+    ...(input.AdTriggers !== undefined && {
+      adTriggers: serializeAws_restJson1_1AdTriggers(input.AdTriggers, context)
+    }),
+    ...(input.AdsOnDeliveryRestrictions !== undefined && {
+      adsOnDeliveryRestrictions: input.AdsOnDeliveryRestrictions
+    }),
+    ...(input.Id !== undefined && { id: input.Id }),
+    ...(input.IncludeIframeOnlyStream !== undefined && {
+      includeIframeOnlyStream: input.IncludeIframeOnlyStream
+    }),
+    ...(input.ManifestName !== undefined && {
+      manifestName: input.ManifestName
+    }),
+    ...(input.PlaylistType !== undefined && {
+      playlistType: input.PlaylistType
+    }),
+    ...(input.PlaylistWindowSeconds !== undefined && {
+      playlistWindowSeconds: input.PlaylistWindowSeconds
+    }),
+    ...(input.ProgramDateTimeIntervalSeconds !== undefined && {
+      programDateTimeIntervalSeconds: input.ProgramDateTimeIntervalSeconds
+    })
+  };
 };
 
 const serializeAws_restJson1_1HlsPackage = (
   input: HlsPackage,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AdMarkers !== undefined) {
-    bodyParams["adMarkers"] = input.AdMarkers;
-  }
-  if (input.AdTriggers !== undefined) {
-    bodyParams["adTriggers"] = serializeAws_restJson1_1AdTriggers(
-      input.AdTriggers,
-      context
-    );
-  }
-  if (input.AdsOnDeliveryRestrictions !== undefined) {
-    bodyParams["adsOnDeliveryRestrictions"] = input.AdsOnDeliveryRestrictions;
-  }
-  if (input.Encryption !== undefined) {
-    bodyParams["encryption"] = serializeAws_restJson1_1HlsEncryption(
-      input.Encryption,
-      context
-    );
-  }
-  if (input.IncludeIframeOnlyStream !== undefined) {
-    bodyParams["includeIframeOnlyStream"] = input.IncludeIframeOnlyStream;
-  }
-  if (input.PlaylistType !== undefined) {
-    bodyParams["playlistType"] = input.PlaylistType;
-  }
-  if (input.PlaylistWindowSeconds !== undefined) {
-    bodyParams["playlistWindowSeconds"] = input.PlaylistWindowSeconds;
-  }
-  if (input.ProgramDateTimeIntervalSeconds !== undefined) {
-    bodyParams["programDateTimeIntervalSeconds"] =
-      input.ProgramDateTimeIntervalSeconds;
-  }
-  if (input.SegmentDurationSeconds !== undefined) {
-    bodyParams["segmentDurationSeconds"] = input.SegmentDurationSeconds;
-  }
-  if (input.StreamSelection !== undefined) {
-    bodyParams["streamSelection"] = serializeAws_restJson1_1StreamSelection(
-      input.StreamSelection,
-      context
-    );
-  }
-  if (input.UseAudioRenditionGroup !== undefined) {
-    bodyParams["useAudioRenditionGroup"] = input.UseAudioRenditionGroup;
-  }
-  return bodyParams;
+  return {
+    ...(input.AdMarkers !== undefined && { adMarkers: input.AdMarkers }),
+    ...(input.AdTriggers !== undefined && {
+      adTriggers: serializeAws_restJson1_1AdTriggers(input.AdTriggers, context)
+    }),
+    ...(input.AdsOnDeliveryRestrictions !== undefined && {
+      adsOnDeliveryRestrictions: input.AdsOnDeliveryRestrictions
+    }),
+    ...(input.Encryption !== undefined && {
+      encryption: serializeAws_restJson1_1HlsEncryption(
+        input.Encryption,
+        context
+      )
+    }),
+    ...(input.IncludeIframeOnlyStream !== undefined && {
+      includeIframeOnlyStream: input.IncludeIframeOnlyStream
+    }),
+    ...(input.PlaylistType !== undefined && {
+      playlistType: input.PlaylistType
+    }),
+    ...(input.PlaylistWindowSeconds !== undefined && {
+      playlistWindowSeconds: input.PlaylistWindowSeconds
+    }),
+    ...(input.ProgramDateTimeIntervalSeconds !== undefined && {
+      programDateTimeIntervalSeconds: input.ProgramDateTimeIntervalSeconds
+    }),
+    ...(input.SegmentDurationSeconds !== undefined && {
+      segmentDurationSeconds: input.SegmentDurationSeconds
+    }),
+    ...(input.StreamSelection !== undefined && {
+      streamSelection: serializeAws_restJson1_1StreamSelection(
+        input.StreamSelection,
+        context
+      )
+    }),
+    ...(input.UseAudioRenditionGroup !== undefined && {
+      useAudioRenditionGroup: input.UseAudioRenditionGroup
+    })
+  };
 };
 
 const serializeAws_restJson1_1MssEncryption = (
   input: MssEncryption,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.SpekeKeyProvider !== undefined) {
-    bodyParams["spekeKeyProvider"] = serializeAws_restJson1_1SpekeKeyProvider(
-      input.SpekeKeyProvider,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.SpekeKeyProvider !== undefined && {
+      spekeKeyProvider: serializeAws_restJson1_1SpekeKeyProvider(
+        input.SpekeKeyProvider,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1MssPackage = (
   input: MssPackage,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Encryption !== undefined) {
-    bodyParams["encryption"] = serializeAws_restJson1_1MssEncryption(
-      input.Encryption,
-      context
-    );
-  }
-  if (input.ManifestWindowSeconds !== undefined) {
-    bodyParams["manifestWindowSeconds"] = input.ManifestWindowSeconds;
-  }
-  if (input.SegmentDurationSeconds !== undefined) {
-    bodyParams["segmentDurationSeconds"] = input.SegmentDurationSeconds;
-  }
-  if (input.StreamSelection !== undefined) {
-    bodyParams["streamSelection"] = serializeAws_restJson1_1StreamSelection(
-      input.StreamSelection,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Encryption !== undefined && {
+      encryption: serializeAws_restJson1_1MssEncryption(
+        input.Encryption,
+        context
+      )
+    }),
+    ...(input.ManifestWindowSeconds !== undefined && {
+      manifestWindowSeconds: input.ManifestWindowSeconds
+    }),
+    ...(input.SegmentDurationSeconds !== undefined && {
+      segmentDurationSeconds: input.SegmentDurationSeconds
+    }),
+    ...(input.StreamSelection !== undefined && {
+      streamSelection: serializeAws_restJson1_1StreamSelection(
+        input.StreamSelection,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1S3Destination = (
   input: S3Destination,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.BucketName !== undefined) {
-    bodyParams["bucketName"] = input.BucketName;
-  }
-  if (input.ManifestKey !== undefined) {
-    bodyParams["manifestKey"] = input.ManifestKey;
-  }
-  if (input.RoleArn !== undefined) {
-    bodyParams["roleArn"] = input.RoleArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.BucketName !== undefined && { bucketName: input.BucketName }),
+    ...(input.ManifestKey !== undefined && { manifestKey: input.ManifestKey }),
+    ...(input.RoleArn !== undefined && { roleArn: input.RoleArn })
+  };
 };
 
 const serializeAws_restJson1_1SpekeKeyProvider = (
   input: SpekeKeyProvider,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CertificateArn !== undefined) {
-    bodyParams["certificateArn"] = input.CertificateArn;
-  }
-  if (input.ResourceId !== undefined) {
-    bodyParams["resourceId"] = input.ResourceId;
-  }
-  if (input.RoleArn !== undefined) {
-    bodyParams["roleArn"] = input.RoleArn;
-  }
-  if (input.SystemIds !== undefined) {
-    bodyParams["systemIds"] = serializeAws_restJson1_1__listOf__string(
-      input.SystemIds,
-      context
-    );
-  }
-  if (input.Url !== undefined) {
-    bodyParams["url"] = input.Url;
-  }
-  return bodyParams;
+  return {
+    ...(input.CertificateArn !== undefined && {
+      certificateArn: input.CertificateArn
+    }),
+    ...(input.ResourceId !== undefined && { resourceId: input.ResourceId }),
+    ...(input.RoleArn !== undefined && { roleArn: input.RoleArn }),
+    ...(input.SystemIds !== undefined && {
+      systemIds: serializeAws_restJson1_1__listOf__string(
+        input.SystemIds,
+        context
+      )
+    }),
+    ...(input.Url !== undefined && { url: input.Url })
+  };
 };
 
 const serializeAws_restJson1_1StreamSelection = (
   input: StreamSelection,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxVideoBitsPerSecond !== undefined) {
-    bodyParams["maxVideoBitsPerSecond"] = input.MaxVideoBitsPerSecond;
-  }
-  if (input.MinVideoBitsPerSecond !== undefined) {
-    bodyParams["minVideoBitsPerSecond"] = input.MinVideoBitsPerSecond;
-  }
-  if (input.StreamOrder !== undefined) {
-    bodyParams["streamOrder"] = input.StreamOrder;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxVideoBitsPerSecond !== undefined && {
+      maxVideoBitsPerSecond: input.MaxVideoBitsPerSecond
+    }),
+    ...(input.MinVideoBitsPerSecond !== undefined && {
+      minVideoBitsPerSecond: input.MinVideoBitsPerSecond
+    }),
+    ...(input.StreamOrder !== undefined && { streamOrder: input.StreamOrder })
+  };
 };
 
 const serializeAws_restJson1_1Tags = (
diff --git a/clients/client-mediastore/protocols/Aws_json1_1.ts b/clients/client-mediastore/protocols/Aws_json1_1.ts
index 2cf15c07dfa0..db5fcf8561c9 100644
--- a/clients/client-mediastore/protocols/Aws_json1_1.ts
+++ b/clients/client-mediastore/protocols/Aws_json1_1.ts
@@ -2066,104 +2066,104 @@ const serializeAws_json1_1CorsRule = (
   input: CorsRule,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AllowedHeaders !== undefined) {
-    bodyParams["AllowedHeaders"] = serializeAws_json1_1AllowedHeaders(
-      input.AllowedHeaders,
-      context
-    );
-  }
-  if (input.AllowedMethods !== undefined) {
-    bodyParams["AllowedMethods"] = serializeAws_json1_1AllowedMethods(
-      input.AllowedMethods,
-      context
-    );
-  }
-  if (input.AllowedOrigins !== undefined) {
-    bodyParams["AllowedOrigins"] = serializeAws_json1_1AllowedOrigins(
-      input.AllowedOrigins,
-      context
-    );
-  }
-  if (input.ExposeHeaders !== undefined) {
-    bodyParams["ExposeHeaders"] = serializeAws_json1_1ExposeHeaders(
-      input.ExposeHeaders,
-      context
-    );
-  }
-  if (input.MaxAgeSeconds !== undefined) {
-    bodyParams["MaxAgeSeconds"] = input.MaxAgeSeconds;
-  }
-  return bodyParams;
+  return {
+    ...(input.AllowedHeaders !== undefined && {
+      AllowedHeaders: serializeAws_json1_1AllowedHeaders(
+        input.AllowedHeaders,
+        context
+      )
+    }),
+    ...(input.AllowedMethods !== undefined && {
+      AllowedMethods: serializeAws_json1_1AllowedMethods(
+        input.AllowedMethods,
+        context
+      )
+    }),
+    ...(input.AllowedOrigins !== undefined && {
+      AllowedOrigins: serializeAws_json1_1AllowedOrigins(
+        input.AllowedOrigins,
+        context
+      )
+    }),
+    ...(input.ExposeHeaders !== undefined && {
+      ExposeHeaders: serializeAws_json1_1ExposeHeaders(
+        input.ExposeHeaders,
+        context
+      )
+    }),
+    ...(input.MaxAgeSeconds !== undefined && {
+      MaxAgeSeconds: input.MaxAgeSeconds
+    })
+  };
 };
 
 const serializeAws_json1_1CreateContainerInput = (
   input: CreateContainerInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ContainerName !== undefined) {
-    bodyParams["ContainerName"] = input.ContainerName;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagList(input.Tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.ContainerName !== undefined && {
+      ContainerName: input.ContainerName
+    }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagList(input.Tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteContainerInput = (
   input: DeleteContainerInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ContainerName !== undefined) {
-    bodyParams["ContainerName"] = input.ContainerName;
-  }
-  return bodyParams;
+  return {
+    ...(input.ContainerName !== undefined && {
+      ContainerName: input.ContainerName
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteContainerPolicyInput = (
   input: DeleteContainerPolicyInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ContainerName !== undefined) {
-    bodyParams["ContainerName"] = input.ContainerName;
-  }
-  return bodyParams;
+  return {
+    ...(input.ContainerName !== undefined && {
+      ContainerName: input.ContainerName
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteCorsPolicyInput = (
   input: DeleteCorsPolicyInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ContainerName !== undefined) {
-    bodyParams["ContainerName"] = input.ContainerName;
-  }
-  return bodyParams;
+  return {
+    ...(input.ContainerName !== undefined && {
+      ContainerName: input.ContainerName
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteLifecyclePolicyInput = (
   input: DeleteLifecyclePolicyInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ContainerName !== undefined) {
-    bodyParams["ContainerName"] = input.ContainerName;
-  }
-  return bodyParams;
+  return {
+    ...(input.ContainerName !== undefined && {
+      ContainerName: input.ContainerName
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeContainerInput = (
   input: DescribeContainerInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ContainerName !== undefined) {
-    bodyParams["ContainerName"] = input.ContainerName;
-  }
-  return bodyParams;
+  return {
+    ...(input.ContainerName !== undefined && {
+      ContainerName: input.ContainerName
+    })
+  };
 };
 
 const serializeAws_json1_1ExposeHeaders = (
@@ -2177,136 +2177,121 @@ const serializeAws_json1_1GetContainerPolicyInput = (
   input: GetContainerPolicyInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ContainerName !== undefined) {
-    bodyParams["ContainerName"] = input.ContainerName;
-  }
-  return bodyParams;
+  return {
+    ...(input.ContainerName !== undefined && {
+      ContainerName: input.ContainerName
+    })
+  };
 };
 
 const serializeAws_json1_1GetCorsPolicyInput = (
   input: GetCorsPolicyInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ContainerName !== undefined) {
-    bodyParams["ContainerName"] = input.ContainerName;
-  }
-  return bodyParams;
+  return {
+    ...(input.ContainerName !== undefined && {
+      ContainerName: input.ContainerName
+    })
+  };
 };
 
 const serializeAws_json1_1GetLifecyclePolicyInput = (
   input: GetLifecyclePolicyInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ContainerName !== undefined) {
-    bodyParams["ContainerName"] = input.ContainerName;
-  }
-  return bodyParams;
+  return {
+    ...(input.ContainerName !== undefined && {
+      ContainerName: input.ContainerName
+    })
+  };
 };
 
 const serializeAws_json1_1ListContainersInput = (
   input: ListContainersInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1ListTagsForResourceInput = (
   input: ListTagsForResourceInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Resource !== undefined) {
-    bodyParams["Resource"] = input.Resource;
-  }
-  return bodyParams;
+  return {
+    ...(input.Resource !== undefined && { Resource: input.Resource })
+  };
 };
 
 const serializeAws_json1_1PutContainerPolicyInput = (
   input: PutContainerPolicyInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ContainerName !== undefined) {
-    bodyParams["ContainerName"] = input.ContainerName;
-  }
-  if (input.Policy !== undefined) {
-    bodyParams["Policy"] = input.Policy;
-  }
-  return bodyParams;
+  return {
+    ...(input.ContainerName !== undefined && {
+      ContainerName: input.ContainerName
+    }),
+    ...(input.Policy !== undefined && { Policy: input.Policy })
+  };
 };
 
 const serializeAws_json1_1PutCorsPolicyInput = (
   input: PutCorsPolicyInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ContainerName !== undefined) {
-    bodyParams["ContainerName"] = input.ContainerName;
-  }
-  if (input.CorsPolicy !== undefined) {
-    bodyParams["CorsPolicy"] = serializeAws_json1_1CorsPolicy(
-      input.CorsPolicy,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ContainerName !== undefined && {
+      ContainerName: input.ContainerName
+    }),
+    ...(input.CorsPolicy !== undefined && {
+      CorsPolicy: serializeAws_json1_1CorsPolicy(input.CorsPolicy, context)
+    })
+  };
 };
 
 const serializeAws_json1_1PutLifecyclePolicyInput = (
   input: PutLifecyclePolicyInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ContainerName !== undefined) {
-    bodyParams["ContainerName"] = input.ContainerName;
-  }
-  if (input.LifecyclePolicy !== undefined) {
-    bodyParams["LifecyclePolicy"] = input.LifecyclePolicy;
-  }
-  return bodyParams;
+  return {
+    ...(input.ContainerName !== undefined && {
+      ContainerName: input.ContainerName
+    }),
+    ...(input.LifecyclePolicy !== undefined && {
+      LifecyclePolicy: input.LifecyclePolicy
+    })
+  };
 };
 
 const serializeAws_json1_1StartAccessLoggingInput = (
   input: StartAccessLoggingInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ContainerName !== undefined) {
-    bodyParams["ContainerName"] = input.ContainerName;
-  }
-  return bodyParams;
+  return {
+    ...(input.ContainerName !== undefined && {
+      ContainerName: input.ContainerName
+    })
+  };
 };
 
 const serializeAws_json1_1StopAccessLoggingInput = (
   input: StopAccessLoggingInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ContainerName !== undefined) {
-    bodyParams["ContainerName"] = input.ContainerName;
-  }
-  return bodyParams;
+  return {
+    ...(input.ContainerName !== undefined && {
+      ContainerName: input.ContainerName
+    })
+  };
 };
 
 const serializeAws_json1_1Tag = (input: Tag, context: __SerdeContext): any => {
-  const bodyParams: any = {};
-  if (input.Key !== undefined) {
-    bodyParams["Key"] = input.Key;
-  }
-  if (input.Value !== undefined) {
-    bodyParams["Value"] = input.Value;
-  }
-  return bodyParams;
+  return {
+    ...(input.Key !== undefined && { Key: input.Key }),
+    ...(input.Value !== undefined && { Value: input.Value })
+  };
 };
 
 const serializeAws_json1_1TagKeyList = (
@@ -2327,31 +2312,24 @@ const serializeAws_json1_1TagResourceInput = (
   input: TagResourceInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Resource !== undefined) {
-    bodyParams["Resource"] = input.Resource;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagList(input.Tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.Resource !== undefined && { Resource: input.Resource }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagList(input.Tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1UntagResourceInput = (
   input: UntagResourceInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Resource !== undefined) {
-    bodyParams["Resource"] = input.Resource;
-  }
-  if (input.TagKeys !== undefined) {
-    bodyParams["TagKeys"] = serializeAws_json1_1TagKeyList(
-      input.TagKeys,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Resource !== undefined && { Resource: input.Resource }),
+    ...(input.TagKeys !== undefined && {
+      TagKeys: serializeAws_json1_1TagKeyList(input.TagKeys, context)
+    })
+  };
 };
 
 const deserializeAws_json1_1AllowedHeaders = (
diff --git a/clients/client-mediatailor/protocols/Aws_restJson1_1.ts b/clients/client-mediatailor/protocols/Aws_restJson1_1.ts
index f064d978ecea..550370922e28 100644
--- a/clients/client-mediatailor/protocols/Aws_restJson1_1.ts
+++ b/clients/client-mediatailor/protocols/Aws_restJson1_1.ts
@@ -900,42 +900,40 @@ const serializeAws_restJson1_1CdnConfiguration = (
   input: CdnConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AdSegmentUrlPrefix !== undefined) {
-    bodyParams["AdSegmentUrlPrefix"] = input.AdSegmentUrlPrefix;
-  }
-  if (input.ContentSegmentUrlPrefix !== undefined) {
-    bodyParams["ContentSegmentUrlPrefix"] = input.ContentSegmentUrlPrefix;
-  }
-  return bodyParams;
+  return {
+    ...(input.AdSegmentUrlPrefix !== undefined && {
+      AdSegmentUrlPrefix: input.AdSegmentUrlPrefix
+    }),
+    ...(input.ContentSegmentUrlPrefix !== undefined && {
+      ContentSegmentUrlPrefix: input.ContentSegmentUrlPrefix
+    })
+  };
 };
 
 const serializeAws_restJson1_1DashConfigurationForPut = (
   input: DashConfigurationForPut,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MpdLocation !== undefined) {
-    bodyParams["MpdLocation"] = input.MpdLocation;
-  }
-  if (input.OriginManifestType !== undefined) {
-    bodyParams["OriginManifestType"] = input.OriginManifestType;
-  }
-  return bodyParams;
+  return {
+    ...(input.MpdLocation !== undefined && { MpdLocation: input.MpdLocation }),
+    ...(input.OriginManifestType !== undefined && {
+      OriginManifestType: input.OriginManifestType
+    })
+  };
 };
 
 const serializeAws_restJson1_1LivePreRollConfiguration = (
   input: LivePreRollConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AdDecisionServerUrl !== undefined) {
-    bodyParams["AdDecisionServerUrl"] = input.AdDecisionServerUrl;
-  }
-  if (input.MaxDurationSeconds !== undefined) {
-    bodyParams["MaxDurationSeconds"] = input.MaxDurationSeconds;
-  }
-  return bodyParams;
+  return {
+    ...(input.AdDecisionServerUrl !== undefined && {
+      AdDecisionServerUrl: input.AdDecisionServerUrl
+    }),
+    ...(input.MaxDurationSeconds !== undefined && {
+      MaxDurationSeconds: input.MaxDurationSeconds
+    })
+  };
 };
 
 const serializeAws_restJson1_1__mapOf__string = (
diff --git a/clients/client-migration-hub/protocols/Aws_json1_1.ts b/clients/client-migration-hub/protocols/Aws_json1_1.ts
index 54e90134714a..8a93171daf65 100644
--- a/clients/client-migration-hub/protocols/Aws_json1_1.ts
+++ b/clients/client-migration-hub/protocols/Aws_json1_1.ts
@@ -2824,364 +2824,306 @@ const serializeAws_json1_1AssociateCreatedArtifactRequest = (
   input: AssociateCreatedArtifactRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CreatedArtifact !== undefined) {
-    bodyParams["CreatedArtifact"] = serializeAws_json1_1CreatedArtifact(
-      input.CreatedArtifact,
-      context
-    );
-  }
-  if (input.DryRun !== undefined) {
-    bodyParams["DryRun"] = input.DryRun;
-  }
-  if (input.MigrationTaskName !== undefined) {
-    bodyParams["MigrationTaskName"] = input.MigrationTaskName;
-  }
-  if (input.ProgressUpdateStream !== undefined) {
-    bodyParams["ProgressUpdateStream"] = input.ProgressUpdateStream;
-  }
-  return bodyParams;
+  return {
+    ...(input.CreatedArtifact !== undefined && {
+      CreatedArtifact: serializeAws_json1_1CreatedArtifact(
+        input.CreatedArtifact,
+        context
+      )
+    }),
+    ...(input.DryRun !== undefined && { DryRun: input.DryRun }),
+    ...(input.MigrationTaskName !== undefined && {
+      MigrationTaskName: input.MigrationTaskName
+    }),
+    ...(input.ProgressUpdateStream !== undefined && {
+      ProgressUpdateStream: input.ProgressUpdateStream
+    })
+  };
 };
 
 const serializeAws_json1_1AssociateDiscoveredResourceRequest = (
   input: AssociateDiscoveredResourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DiscoveredResource !== undefined) {
-    bodyParams["DiscoveredResource"] = serializeAws_json1_1DiscoveredResource(
-      input.DiscoveredResource,
-      context
-    );
-  }
-  if (input.DryRun !== undefined) {
-    bodyParams["DryRun"] = input.DryRun;
-  }
-  if (input.MigrationTaskName !== undefined) {
-    bodyParams["MigrationTaskName"] = input.MigrationTaskName;
-  }
-  if (input.ProgressUpdateStream !== undefined) {
-    bodyParams["ProgressUpdateStream"] = input.ProgressUpdateStream;
-  }
-  return bodyParams;
+  return {
+    ...(input.DiscoveredResource !== undefined && {
+      DiscoveredResource: serializeAws_json1_1DiscoveredResource(
+        input.DiscoveredResource,
+        context
+      )
+    }),
+    ...(input.DryRun !== undefined && { DryRun: input.DryRun }),
+    ...(input.MigrationTaskName !== undefined && {
+      MigrationTaskName: input.MigrationTaskName
+    }),
+    ...(input.ProgressUpdateStream !== undefined && {
+      ProgressUpdateStream: input.ProgressUpdateStream
+    })
+  };
 };
 
 const serializeAws_json1_1CreateProgressUpdateStreamRequest = (
   input: CreateProgressUpdateStreamRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DryRun !== undefined) {
-    bodyParams["DryRun"] = input.DryRun;
-  }
-  if (input.ProgressUpdateStreamName !== undefined) {
-    bodyParams["ProgressUpdateStreamName"] = input.ProgressUpdateStreamName;
-  }
-  return bodyParams;
+  return {
+    ...(input.DryRun !== undefined && { DryRun: input.DryRun }),
+    ...(input.ProgressUpdateStreamName !== undefined && {
+      ProgressUpdateStreamName: input.ProgressUpdateStreamName
+    })
+  };
 };
 
 const serializeAws_json1_1CreatedArtifact = (
   input: CreatedArtifact,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1DeleteProgressUpdateStreamRequest = (
   input: DeleteProgressUpdateStreamRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DryRun !== undefined) {
-    bodyParams["DryRun"] = input.DryRun;
-  }
-  if (input.ProgressUpdateStreamName !== undefined) {
-    bodyParams["ProgressUpdateStreamName"] = input.ProgressUpdateStreamName;
-  }
-  return bodyParams;
+  return {
+    ...(input.DryRun !== undefined && { DryRun: input.DryRun }),
+    ...(input.ProgressUpdateStreamName !== undefined && {
+      ProgressUpdateStreamName: input.ProgressUpdateStreamName
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeApplicationStateRequest = (
   input: DescribeApplicationStateRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ApplicationId !== undefined) {
-    bodyParams["ApplicationId"] = input.ApplicationId;
-  }
-  return bodyParams;
+  return {
+    ...(input.ApplicationId !== undefined && {
+      ApplicationId: input.ApplicationId
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeMigrationTaskRequest = (
   input: DescribeMigrationTaskRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MigrationTaskName !== undefined) {
-    bodyParams["MigrationTaskName"] = input.MigrationTaskName;
-  }
-  if (input.ProgressUpdateStream !== undefined) {
-    bodyParams["ProgressUpdateStream"] = input.ProgressUpdateStream;
-  }
-  return bodyParams;
+  return {
+    ...(input.MigrationTaskName !== undefined && {
+      MigrationTaskName: input.MigrationTaskName
+    }),
+    ...(input.ProgressUpdateStream !== undefined && {
+      ProgressUpdateStream: input.ProgressUpdateStream
+    })
+  };
 };
 
 const serializeAws_json1_1DisassociateCreatedArtifactRequest = (
   input: DisassociateCreatedArtifactRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CreatedArtifactName !== undefined) {
-    bodyParams["CreatedArtifactName"] = input.CreatedArtifactName;
-  }
-  if (input.DryRun !== undefined) {
-    bodyParams["DryRun"] = input.DryRun;
-  }
-  if (input.MigrationTaskName !== undefined) {
-    bodyParams["MigrationTaskName"] = input.MigrationTaskName;
-  }
-  if (input.ProgressUpdateStream !== undefined) {
-    bodyParams["ProgressUpdateStream"] = input.ProgressUpdateStream;
-  }
-  return bodyParams;
+  return {
+    ...(input.CreatedArtifactName !== undefined && {
+      CreatedArtifactName: input.CreatedArtifactName
+    }),
+    ...(input.DryRun !== undefined && { DryRun: input.DryRun }),
+    ...(input.MigrationTaskName !== undefined && {
+      MigrationTaskName: input.MigrationTaskName
+    }),
+    ...(input.ProgressUpdateStream !== undefined && {
+      ProgressUpdateStream: input.ProgressUpdateStream
+    })
+  };
 };
 
 const serializeAws_json1_1DisassociateDiscoveredResourceRequest = (
   input: DisassociateDiscoveredResourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ConfigurationId !== undefined) {
-    bodyParams["ConfigurationId"] = input.ConfigurationId;
-  }
-  if (input.DryRun !== undefined) {
-    bodyParams["DryRun"] = input.DryRun;
-  }
-  if (input.MigrationTaskName !== undefined) {
-    bodyParams["MigrationTaskName"] = input.MigrationTaskName;
-  }
-  if (input.ProgressUpdateStream !== undefined) {
-    bodyParams["ProgressUpdateStream"] = input.ProgressUpdateStream;
-  }
-  return bodyParams;
+  return {
+    ...(input.ConfigurationId !== undefined && {
+      ConfigurationId: input.ConfigurationId
+    }),
+    ...(input.DryRun !== undefined && { DryRun: input.DryRun }),
+    ...(input.MigrationTaskName !== undefined && {
+      MigrationTaskName: input.MigrationTaskName
+    }),
+    ...(input.ProgressUpdateStream !== undefined && {
+      ProgressUpdateStream: input.ProgressUpdateStream
+    })
+  };
 };
 
 const serializeAws_json1_1DiscoveredResource = (
   input: DiscoveredResource,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ConfigurationId !== undefined) {
-    bodyParams["ConfigurationId"] = input.ConfigurationId;
-  }
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  return bodyParams;
+  return {
+    ...(input.ConfigurationId !== undefined && {
+      ConfigurationId: input.ConfigurationId
+    }),
+    ...(input.Description !== undefined && { Description: input.Description })
+  };
 };
 
 const serializeAws_json1_1ImportMigrationTaskRequest = (
   input: ImportMigrationTaskRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DryRun !== undefined) {
-    bodyParams["DryRun"] = input.DryRun;
-  }
-  if (input.MigrationTaskName !== undefined) {
-    bodyParams["MigrationTaskName"] = input.MigrationTaskName;
-  }
-  if (input.ProgressUpdateStream !== undefined) {
-    bodyParams["ProgressUpdateStream"] = input.ProgressUpdateStream;
-  }
-  return bodyParams;
+  return {
+    ...(input.DryRun !== undefined && { DryRun: input.DryRun }),
+    ...(input.MigrationTaskName !== undefined && {
+      MigrationTaskName: input.MigrationTaskName
+    }),
+    ...(input.ProgressUpdateStream !== undefined && {
+      ProgressUpdateStream: input.ProgressUpdateStream
+    })
+  };
 };
 
 const serializeAws_json1_1ListApplicationStatesRequest = (
   input: ListApplicationStatesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ApplicationIds !== undefined) {
-    bodyParams["ApplicationIds"] = serializeAws_json1_1ApplicationIds(
-      input.ApplicationIds,
-      context
-    );
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.ApplicationIds !== undefined && {
+      ApplicationIds: serializeAws_json1_1ApplicationIds(
+        input.ApplicationIds,
+        context
+      )
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1ListCreatedArtifactsRequest = (
   input: ListCreatedArtifactsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.MigrationTaskName !== undefined) {
-    bodyParams["MigrationTaskName"] = input.MigrationTaskName;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.ProgressUpdateStream !== undefined) {
-    bodyParams["ProgressUpdateStream"] = input.ProgressUpdateStream;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.MigrationTaskName !== undefined && {
+      MigrationTaskName: input.MigrationTaskName
+    }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.ProgressUpdateStream !== undefined && {
+      ProgressUpdateStream: input.ProgressUpdateStream
+    })
+  };
 };
 
 const serializeAws_json1_1ListDiscoveredResourcesRequest = (
   input: ListDiscoveredResourcesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.MigrationTaskName !== undefined) {
-    bodyParams["MigrationTaskName"] = input.MigrationTaskName;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.ProgressUpdateStream !== undefined) {
-    bodyParams["ProgressUpdateStream"] = input.ProgressUpdateStream;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.MigrationTaskName !== undefined && {
+      MigrationTaskName: input.MigrationTaskName
+    }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.ProgressUpdateStream !== undefined && {
+      ProgressUpdateStream: input.ProgressUpdateStream
+    })
+  };
 };
 
 const serializeAws_json1_1ListMigrationTasksRequest = (
   input: ListMigrationTasksRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.ResourceName !== undefined) {
-    bodyParams["ResourceName"] = input.ResourceName;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.ResourceName !== undefined && {
+      ResourceName: input.ResourceName
+    })
+  };
 };
 
 const serializeAws_json1_1ListProgressUpdateStreamsRequest = (
   input: ListProgressUpdateStreamsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1NotifyApplicationStateRequest = (
   input: NotifyApplicationStateRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ApplicationId !== undefined) {
-    bodyParams["ApplicationId"] = input.ApplicationId;
-  }
-  if (input.DryRun !== undefined) {
-    bodyParams["DryRun"] = input.DryRun;
-  }
-  if (input.Status !== undefined) {
-    bodyParams["Status"] = input.Status;
-  }
-  if (input.UpdateDateTime !== undefined) {
-    bodyParams["UpdateDateTime"] = Math.round(
-      input.UpdateDateTime.getTime() / 1000
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ApplicationId !== undefined && {
+      ApplicationId: input.ApplicationId
+    }),
+    ...(input.DryRun !== undefined && { DryRun: input.DryRun }),
+    ...(input.Status !== undefined && { Status: input.Status }),
+    ...(input.UpdateDateTime !== undefined && {
+      UpdateDateTime: Math.round(input.UpdateDateTime.getTime() / 1000)
+    })
+  };
 };
 
 const serializeAws_json1_1NotifyMigrationTaskStateRequest = (
   input: NotifyMigrationTaskStateRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DryRun !== undefined) {
-    bodyParams["DryRun"] = input.DryRun;
-  }
-  if (input.MigrationTaskName !== undefined) {
-    bodyParams["MigrationTaskName"] = input.MigrationTaskName;
-  }
-  if (input.NextUpdateSeconds !== undefined) {
-    bodyParams["NextUpdateSeconds"] = input.NextUpdateSeconds;
-  }
-  if (input.ProgressUpdateStream !== undefined) {
-    bodyParams["ProgressUpdateStream"] = input.ProgressUpdateStream;
-  }
-  if (input.Task !== undefined) {
-    bodyParams["Task"] = serializeAws_json1_1Task(input.Task, context);
-  }
-  if (input.UpdateDateTime !== undefined) {
-    bodyParams["UpdateDateTime"] = Math.round(
-      input.UpdateDateTime.getTime() / 1000
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.DryRun !== undefined && { DryRun: input.DryRun }),
+    ...(input.MigrationTaskName !== undefined && {
+      MigrationTaskName: input.MigrationTaskName
+    }),
+    ...(input.NextUpdateSeconds !== undefined && {
+      NextUpdateSeconds: input.NextUpdateSeconds
+    }),
+    ...(input.ProgressUpdateStream !== undefined && {
+      ProgressUpdateStream: input.ProgressUpdateStream
+    }),
+    ...(input.Task !== undefined && {
+      Task: serializeAws_json1_1Task(input.Task, context)
+    }),
+    ...(input.UpdateDateTime !== undefined && {
+      UpdateDateTime: Math.round(input.UpdateDateTime.getTime() / 1000)
+    })
+  };
 };
 
 const serializeAws_json1_1PutResourceAttributesRequest = (
   input: PutResourceAttributesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DryRun !== undefined) {
-    bodyParams["DryRun"] = input.DryRun;
-  }
-  if (input.MigrationTaskName !== undefined) {
-    bodyParams["MigrationTaskName"] = input.MigrationTaskName;
-  }
-  if (input.ProgressUpdateStream !== undefined) {
-    bodyParams["ProgressUpdateStream"] = input.ProgressUpdateStream;
-  }
-  if (input.ResourceAttributeList !== undefined) {
-    bodyParams[
-      "ResourceAttributeList"
-    ] = serializeAws_json1_1ResourceAttributeList(
-      input.ResourceAttributeList,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.DryRun !== undefined && { DryRun: input.DryRun }),
+    ...(input.MigrationTaskName !== undefined && {
+      MigrationTaskName: input.MigrationTaskName
+    }),
+    ...(input.ProgressUpdateStream !== undefined && {
+      ProgressUpdateStream: input.ProgressUpdateStream
+    }),
+    ...(input.ResourceAttributeList !== undefined && {
+      ResourceAttributeList: serializeAws_json1_1ResourceAttributeList(
+        input.ResourceAttributeList,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1ResourceAttribute = (
   input: ResourceAttribute,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Type !== undefined) {
-    bodyParams["Type"] = input.Type;
-  }
-  if (input.Value !== undefined) {
-    bodyParams["Value"] = input.Value;
-  }
-  return bodyParams;
+  return {
+    ...(input.Type !== undefined && { Type: input.Type }),
+    ...(input.Value !== undefined && { Value: input.Value })
+  };
 };
 
 const serializeAws_json1_1ResourceAttributeList = (
@@ -3197,17 +3139,15 @@ const serializeAws_json1_1Task = (
   input: Task,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ProgressPercent !== undefined) {
-    bodyParams["ProgressPercent"] = input.ProgressPercent;
-  }
-  if (input.Status !== undefined) {
-    bodyParams["Status"] = input.Status;
-  }
-  if (input.StatusDetail !== undefined) {
-    bodyParams["StatusDetail"] = input.StatusDetail;
-  }
-  return bodyParams;
+  return {
+    ...(input.ProgressPercent !== undefined && {
+      ProgressPercent: input.ProgressPercent
+    }),
+    ...(input.Status !== undefined && { Status: input.Status }),
+    ...(input.StatusDetail !== undefined && {
+      StatusDetail: input.StatusDetail
+    })
+  };
 };
 
 const deserializeAws_json1_1AccessDeniedException = (
diff --git a/clients/client-migrationhub-config/protocols/Aws_json1_1.ts b/clients/client-migrationhub-config/protocols/Aws_json1_1.ts
index 0889ba6000d1..7cec34f49c30 100644
--- a/clients/client-migrationhub-config/protocols/Aws_json1_1.ts
+++ b/clients/client-migrationhub-config/protocols/Aws_json1_1.ts
@@ -477,62 +477,45 @@ const serializeAws_json1_1CreateHomeRegionControlRequest = (
   input: CreateHomeRegionControlRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DryRun !== undefined) {
-    bodyParams["DryRun"] = input.DryRun;
-  }
-  if (input.HomeRegion !== undefined) {
-    bodyParams["HomeRegion"] = input.HomeRegion;
-  }
-  if (input.Target !== undefined) {
-    bodyParams["Target"] = serializeAws_json1_1Target(input.Target, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.DryRun !== undefined && { DryRun: input.DryRun }),
+    ...(input.HomeRegion !== undefined && { HomeRegion: input.HomeRegion }),
+    ...(input.Target !== undefined && {
+      Target: serializeAws_json1_1Target(input.Target, context)
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeHomeRegionControlsRequest = (
   input: DescribeHomeRegionControlsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ControlId !== undefined) {
-    bodyParams["ControlId"] = input.ControlId;
-  }
-  if (input.HomeRegion !== undefined) {
-    bodyParams["HomeRegion"] = input.HomeRegion;
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.Target !== undefined) {
-    bodyParams["Target"] = serializeAws_json1_1Target(input.Target, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.ControlId !== undefined && { ControlId: input.ControlId }),
+    ...(input.HomeRegion !== undefined && { HomeRegion: input.HomeRegion }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.Target !== undefined && {
+      Target: serializeAws_json1_1Target(input.Target, context)
+    })
+  };
 };
 
 const serializeAws_json1_1GetHomeRegionRequest = (
   input: GetHomeRegionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  return bodyParams;
+  return {};
 };
 
 const serializeAws_json1_1Target = (
   input: Target,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Id !== undefined) {
-    bodyParams["Id"] = input.Id;
-  }
-  if (input.Type !== undefined) {
-    bodyParams["Type"] = input.Type;
-  }
-  return bodyParams;
+  return {
+    ...(input.Id !== undefined && { Id: input.Id }),
+    ...(input.Type !== undefined && { Type: input.Type })
+  };
 };
 
 const deserializeAws_json1_1AccessDeniedException = (
diff --git a/clients/client-mq/protocols/Aws_restJson1_1.ts b/clients/client-mq/protocols/Aws_restJson1_1.ts
index a2597a7940e1..f2bda70a8ee0 100644
--- a/clients/client-mq/protocols/Aws_restJson1_1.ts
+++ b/clients/client-mq/protocols/Aws_restJson1_1.ts
@@ -3616,82 +3616,59 @@ const serializeAws_restJson1_1ConfigurationId = (
   input: ConfigurationId,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Id !== undefined) {
-    bodyParams["id"] = input.Id;
-  }
-  if (input.Revision !== undefined) {
-    bodyParams["revision"] = input.Revision;
-  }
-  return bodyParams;
+  return {
+    ...(input.Id !== undefined && { id: input.Id }),
+    ...(input.Revision !== undefined && { revision: input.Revision })
+  };
 };
 
 const serializeAws_restJson1_1EncryptionOptions = (
   input: EncryptionOptions,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.KmsKeyId !== undefined) {
-    bodyParams["kmsKeyId"] = input.KmsKeyId;
-  }
-  if (input.UseAwsOwnedKey !== undefined) {
-    bodyParams["useAwsOwnedKey"] = input.UseAwsOwnedKey;
-  }
-  return bodyParams;
+  return {
+    ...(input.KmsKeyId !== undefined && { kmsKeyId: input.KmsKeyId }),
+    ...(input.UseAwsOwnedKey !== undefined && {
+      useAwsOwnedKey: input.UseAwsOwnedKey
+    })
+  };
 };
 
 const serializeAws_restJson1_1Logs = (
   input: Logs,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Audit !== undefined) {
-    bodyParams["audit"] = input.Audit;
-  }
-  if (input.General !== undefined) {
-    bodyParams["general"] = input.General;
-  }
-  return bodyParams;
+  return {
+    ...(input.Audit !== undefined && { audit: input.Audit }),
+    ...(input.General !== undefined && { general: input.General })
+  };
 };
 
 const serializeAws_restJson1_1User = (
   input: User,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ConsoleAccess !== undefined) {
-    bodyParams["consoleAccess"] = input.ConsoleAccess;
-  }
-  if (input.Groups !== undefined) {
-    bodyParams["groups"] = serializeAws_restJson1_1__listOf__string(
-      input.Groups,
-      context
-    );
-  }
-  if (input.Password !== undefined) {
-    bodyParams["password"] = input.Password;
-  }
-  if (input.Username !== undefined) {
-    bodyParams["username"] = input.Username;
-  }
-  return bodyParams;
+  return {
+    ...(input.ConsoleAccess !== undefined && {
+      consoleAccess: input.ConsoleAccess
+    }),
+    ...(input.Groups !== undefined && {
+      groups: serializeAws_restJson1_1__listOf__string(input.Groups, context)
+    }),
+    ...(input.Password !== undefined && { password: input.Password }),
+    ...(input.Username !== undefined && { username: input.Username })
+  };
 };
 
 const serializeAws_restJson1_1WeeklyStartTime = (
   input: WeeklyStartTime,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DayOfWeek !== undefined) {
-    bodyParams["dayOfWeek"] = input.DayOfWeek;
-  }
-  if (input.TimeOfDay !== undefined) {
-    bodyParams["timeOfDay"] = input.TimeOfDay;
-  }
-  if (input.TimeZone !== undefined) {
-    bodyParams["timeZone"] = input.TimeZone;
-  }
-  return bodyParams;
+  return {
+    ...(input.DayOfWeek !== undefined && { dayOfWeek: input.DayOfWeek }),
+    ...(input.TimeOfDay !== undefined && { timeOfDay: input.TimeOfDay }),
+    ...(input.TimeZone !== undefined && { timeZone: input.TimeZone })
+  };
 };
 
 const serializeAws_restJson1_1__listOfUser = (
diff --git a/clients/client-mturk/protocols/Aws_json1_1.ts b/clients/client-mturk/protocols/Aws_json1_1.ts
index 0ff9ac2faafa..65270cb0c2da 100644
--- a/clients/client-mturk/protocols/Aws_json1_1.ts
+++ b/clients/client-mturk/protocols/Aws_json1_1.ts
@@ -3774,31 +3774,31 @@ const serializeAws_json1_1AcceptQualificationRequestRequest = (
   input: AcceptQualificationRequestRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.IntegerValue !== undefined) {
-    bodyParams["IntegerValue"] = input.IntegerValue;
-  }
-  if (input.QualificationRequestId !== undefined) {
-    bodyParams["QualificationRequestId"] = input.QualificationRequestId;
-  }
-  return bodyParams;
+  return {
+    ...(input.IntegerValue !== undefined && {
+      IntegerValue: input.IntegerValue
+    }),
+    ...(input.QualificationRequestId !== undefined && {
+      QualificationRequestId: input.QualificationRequestId
+    })
+  };
 };
 
 const serializeAws_json1_1ApproveAssignmentRequest = (
   input: ApproveAssignmentRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AssignmentId !== undefined) {
-    bodyParams["AssignmentId"] = input.AssignmentId;
-  }
-  if (input.OverrideRejection !== undefined) {
-    bodyParams["OverrideRejection"] = input.OverrideRejection;
-  }
-  if (input.RequesterFeedback !== undefined) {
-    bodyParams["RequesterFeedback"] = input.RequesterFeedback;
-  }
-  return bodyParams;
+  return {
+    ...(input.AssignmentId !== undefined && {
+      AssignmentId: input.AssignmentId
+    }),
+    ...(input.OverrideRejection !== undefined && {
+      OverrideRejection: input.OverrideRejection
+    }),
+    ...(input.RequesterFeedback !== undefined && {
+      RequesterFeedback: input.RequesterFeedback
+    })
+  };
 };
 
 const serializeAws_json1_1AssignmentStatusList = (
@@ -3812,247 +3812,190 @@ const serializeAws_json1_1AssociateQualificationWithWorkerRequest = (
   input: AssociateQualificationWithWorkerRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.IntegerValue !== undefined) {
-    bodyParams["IntegerValue"] = input.IntegerValue;
-  }
-  if (input.QualificationTypeId !== undefined) {
-    bodyParams["QualificationTypeId"] = input.QualificationTypeId;
-  }
-  if (input.SendNotification !== undefined) {
-    bodyParams["SendNotification"] = input.SendNotification;
-  }
-  if (input.WorkerId !== undefined) {
-    bodyParams["WorkerId"] = input.WorkerId;
-  }
-  return bodyParams;
+  return {
+    ...(input.IntegerValue !== undefined && {
+      IntegerValue: input.IntegerValue
+    }),
+    ...(input.QualificationTypeId !== undefined && {
+      QualificationTypeId: input.QualificationTypeId
+    }),
+    ...(input.SendNotification !== undefined && {
+      SendNotification: input.SendNotification
+    }),
+    ...(input.WorkerId !== undefined && { WorkerId: input.WorkerId })
+  };
 };
 
 const serializeAws_json1_1CreateAdditionalAssignmentsForHITRequest = (
   input: CreateAdditionalAssignmentsForHITRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.HITId !== undefined) {
-    bodyParams["HITId"] = input.HITId;
-  }
-  if (input.NumberOfAdditionalAssignments !== undefined) {
-    bodyParams["NumberOfAdditionalAssignments"] =
-      input.NumberOfAdditionalAssignments;
-  }
-  if (input.UniqueRequestToken !== undefined) {
-    bodyParams["UniqueRequestToken"] = input.UniqueRequestToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.HITId !== undefined && { HITId: input.HITId }),
+    ...(input.NumberOfAdditionalAssignments !== undefined && {
+      NumberOfAdditionalAssignments: input.NumberOfAdditionalAssignments
+    }),
+    ...(input.UniqueRequestToken !== undefined && {
+      UniqueRequestToken: input.UniqueRequestToken
+    })
+  };
 };
 
 const serializeAws_json1_1CreateHITRequest = (
   input: CreateHITRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AssignmentDurationInSeconds !== undefined) {
-    bodyParams["AssignmentDurationInSeconds"] =
-      input.AssignmentDurationInSeconds;
-  }
-  if (input.AssignmentReviewPolicy !== undefined) {
-    bodyParams["AssignmentReviewPolicy"] = serializeAws_json1_1ReviewPolicy(
-      input.AssignmentReviewPolicy,
-      context
-    );
-  }
-  if (input.AutoApprovalDelayInSeconds !== undefined) {
-    bodyParams["AutoApprovalDelayInSeconds"] = input.AutoApprovalDelayInSeconds;
-  }
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.HITLayoutId !== undefined) {
-    bodyParams["HITLayoutId"] = input.HITLayoutId;
-  }
-  if (input.HITLayoutParameters !== undefined) {
-    bodyParams[
-      "HITLayoutParameters"
-    ] = serializeAws_json1_1HITLayoutParameterList(
-      input.HITLayoutParameters,
-      context
-    );
-  }
-  if (input.HITReviewPolicy !== undefined) {
-    bodyParams["HITReviewPolicy"] = serializeAws_json1_1ReviewPolicy(
-      input.HITReviewPolicy,
-      context
-    );
-  }
-  if (input.Keywords !== undefined) {
-    bodyParams["Keywords"] = input.Keywords;
-  }
-  if (input.LifetimeInSeconds !== undefined) {
-    bodyParams["LifetimeInSeconds"] = input.LifetimeInSeconds;
-  }
-  if (input.MaxAssignments !== undefined) {
-    bodyParams["MaxAssignments"] = input.MaxAssignments;
-  }
-  if (input.QualificationRequirements !== undefined) {
-    bodyParams[
-      "QualificationRequirements"
-    ] = serializeAws_json1_1QualificationRequirementList(
-      input.QualificationRequirements,
-      context
-    );
-  }
-  if (input.Question !== undefined) {
-    bodyParams["Question"] = input.Question;
-  }
-  if (input.RequesterAnnotation !== undefined) {
-    bodyParams["RequesterAnnotation"] = input.RequesterAnnotation;
-  }
-  if (input.Reward !== undefined) {
-    bodyParams["Reward"] = input.Reward;
-  }
-  if (input.Title !== undefined) {
-    bodyParams["Title"] = input.Title;
-  }
-  if (input.UniqueRequestToken !== undefined) {
-    bodyParams["UniqueRequestToken"] = input.UniqueRequestToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.AssignmentDurationInSeconds !== undefined && {
+      AssignmentDurationInSeconds: input.AssignmentDurationInSeconds
+    }),
+    ...(input.AssignmentReviewPolicy !== undefined && {
+      AssignmentReviewPolicy: serializeAws_json1_1ReviewPolicy(
+        input.AssignmentReviewPolicy,
+        context
+      )
+    }),
+    ...(input.AutoApprovalDelayInSeconds !== undefined && {
+      AutoApprovalDelayInSeconds: input.AutoApprovalDelayInSeconds
+    }),
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.HITLayoutId !== undefined && { HITLayoutId: input.HITLayoutId }),
+    ...(input.HITLayoutParameters !== undefined && {
+      HITLayoutParameters: serializeAws_json1_1HITLayoutParameterList(
+        input.HITLayoutParameters,
+        context
+      )
+    }),
+    ...(input.HITReviewPolicy !== undefined && {
+      HITReviewPolicy: serializeAws_json1_1ReviewPolicy(
+        input.HITReviewPolicy,
+        context
+      )
+    }),
+    ...(input.Keywords !== undefined && { Keywords: input.Keywords }),
+    ...(input.LifetimeInSeconds !== undefined && {
+      LifetimeInSeconds: input.LifetimeInSeconds
+    }),
+    ...(input.MaxAssignments !== undefined && {
+      MaxAssignments: input.MaxAssignments
+    }),
+    ...(input.QualificationRequirements !== undefined && {
+      QualificationRequirements: serializeAws_json1_1QualificationRequirementList(
+        input.QualificationRequirements,
+        context
+      )
+    }),
+    ...(input.Question !== undefined && { Question: input.Question }),
+    ...(input.RequesterAnnotation !== undefined && {
+      RequesterAnnotation: input.RequesterAnnotation
+    }),
+    ...(input.Reward !== undefined && { Reward: input.Reward }),
+    ...(input.Title !== undefined && { Title: input.Title }),
+    ...(input.UniqueRequestToken !== undefined && {
+      UniqueRequestToken: input.UniqueRequestToken
+    })
+  };
 };
 
 const serializeAws_json1_1CreateHITTypeRequest = (
   input: CreateHITTypeRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AssignmentDurationInSeconds !== undefined) {
-    bodyParams["AssignmentDurationInSeconds"] =
-      input.AssignmentDurationInSeconds;
-  }
-  if (input.AutoApprovalDelayInSeconds !== undefined) {
-    bodyParams["AutoApprovalDelayInSeconds"] = input.AutoApprovalDelayInSeconds;
-  }
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.Keywords !== undefined) {
-    bodyParams["Keywords"] = input.Keywords;
-  }
-  if (input.QualificationRequirements !== undefined) {
-    bodyParams[
-      "QualificationRequirements"
-    ] = serializeAws_json1_1QualificationRequirementList(
-      input.QualificationRequirements,
-      context
-    );
-  }
-  if (input.Reward !== undefined) {
-    bodyParams["Reward"] = input.Reward;
-  }
-  if (input.Title !== undefined) {
-    bodyParams["Title"] = input.Title;
-  }
-  return bodyParams;
+  return {
+    ...(input.AssignmentDurationInSeconds !== undefined && {
+      AssignmentDurationInSeconds: input.AssignmentDurationInSeconds
+    }),
+    ...(input.AutoApprovalDelayInSeconds !== undefined && {
+      AutoApprovalDelayInSeconds: input.AutoApprovalDelayInSeconds
+    }),
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.Keywords !== undefined && { Keywords: input.Keywords }),
+    ...(input.QualificationRequirements !== undefined && {
+      QualificationRequirements: serializeAws_json1_1QualificationRequirementList(
+        input.QualificationRequirements,
+        context
+      )
+    }),
+    ...(input.Reward !== undefined && { Reward: input.Reward }),
+    ...(input.Title !== undefined && { Title: input.Title })
+  };
 };
 
 const serializeAws_json1_1CreateHITWithHITTypeRequest = (
   input: CreateHITWithHITTypeRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AssignmentReviewPolicy !== undefined) {
-    bodyParams["AssignmentReviewPolicy"] = serializeAws_json1_1ReviewPolicy(
-      input.AssignmentReviewPolicy,
-      context
-    );
-  }
-  if (input.HITLayoutId !== undefined) {
-    bodyParams["HITLayoutId"] = input.HITLayoutId;
-  }
-  if (input.HITLayoutParameters !== undefined) {
-    bodyParams[
-      "HITLayoutParameters"
-    ] = serializeAws_json1_1HITLayoutParameterList(
-      input.HITLayoutParameters,
-      context
-    );
-  }
-  if (input.HITReviewPolicy !== undefined) {
-    bodyParams["HITReviewPolicy"] = serializeAws_json1_1ReviewPolicy(
-      input.HITReviewPolicy,
-      context
-    );
-  }
-  if (input.HITTypeId !== undefined) {
-    bodyParams["HITTypeId"] = input.HITTypeId;
-  }
-  if (input.LifetimeInSeconds !== undefined) {
-    bodyParams["LifetimeInSeconds"] = input.LifetimeInSeconds;
-  }
-  if (input.MaxAssignments !== undefined) {
-    bodyParams["MaxAssignments"] = input.MaxAssignments;
-  }
-  if (input.Question !== undefined) {
-    bodyParams["Question"] = input.Question;
-  }
-  if (input.RequesterAnnotation !== undefined) {
-    bodyParams["RequesterAnnotation"] = input.RequesterAnnotation;
-  }
-  if (input.UniqueRequestToken !== undefined) {
-    bodyParams["UniqueRequestToken"] = input.UniqueRequestToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.AssignmentReviewPolicy !== undefined && {
+      AssignmentReviewPolicy: serializeAws_json1_1ReviewPolicy(
+        input.AssignmentReviewPolicy,
+        context
+      )
+    }),
+    ...(input.HITLayoutId !== undefined && { HITLayoutId: input.HITLayoutId }),
+    ...(input.HITLayoutParameters !== undefined && {
+      HITLayoutParameters: serializeAws_json1_1HITLayoutParameterList(
+        input.HITLayoutParameters,
+        context
+      )
+    }),
+    ...(input.HITReviewPolicy !== undefined && {
+      HITReviewPolicy: serializeAws_json1_1ReviewPolicy(
+        input.HITReviewPolicy,
+        context
+      )
+    }),
+    ...(input.HITTypeId !== undefined && { HITTypeId: input.HITTypeId }),
+    ...(input.LifetimeInSeconds !== undefined && {
+      LifetimeInSeconds: input.LifetimeInSeconds
+    }),
+    ...(input.MaxAssignments !== undefined && {
+      MaxAssignments: input.MaxAssignments
+    }),
+    ...(input.Question !== undefined && { Question: input.Question }),
+    ...(input.RequesterAnnotation !== undefined && {
+      RequesterAnnotation: input.RequesterAnnotation
+    }),
+    ...(input.UniqueRequestToken !== undefined && {
+      UniqueRequestToken: input.UniqueRequestToken
+    })
+  };
 };
 
 const serializeAws_json1_1CreateQualificationTypeRequest = (
   input: CreateQualificationTypeRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AnswerKey !== undefined) {
-    bodyParams["AnswerKey"] = input.AnswerKey;
-  }
-  if (input.AutoGranted !== undefined) {
-    bodyParams["AutoGranted"] = input.AutoGranted;
-  }
-  if (input.AutoGrantedValue !== undefined) {
-    bodyParams["AutoGrantedValue"] = input.AutoGrantedValue;
-  }
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.Keywords !== undefined) {
-    bodyParams["Keywords"] = input.Keywords;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.QualificationTypeStatus !== undefined) {
-    bodyParams["QualificationTypeStatus"] = input.QualificationTypeStatus;
-  }
-  if (input.RetryDelayInSeconds !== undefined) {
-    bodyParams["RetryDelayInSeconds"] = input.RetryDelayInSeconds;
-  }
-  if (input.Test !== undefined) {
-    bodyParams["Test"] = input.Test;
-  }
-  if (input.TestDurationInSeconds !== undefined) {
-    bodyParams["TestDurationInSeconds"] = input.TestDurationInSeconds;
-  }
-  return bodyParams;
+  return {
+    ...(input.AnswerKey !== undefined && { AnswerKey: input.AnswerKey }),
+    ...(input.AutoGranted !== undefined && { AutoGranted: input.AutoGranted }),
+    ...(input.AutoGrantedValue !== undefined && {
+      AutoGrantedValue: input.AutoGrantedValue
+    }),
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.Keywords !== undefined && { Keywords: input.Keywords }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.QualificationTypeStatus !== undefined && {
+      QualificationTypeStatus: input.QualificationTypeStatus
+    }),
+    ...(input.RetryDelayInSeconds !== undefined && {
+      RetryDelayInSeconds: input.RetryDelayInSeconds
+    }),
+    ...(input.Test !== undefined && { Test: input.Test }),
+    ...(input.TestDurationInSeconds !== undefined && {
+      TestDurationInSeconds: input.TestDurationInSeconds
+    })
+  };
 };
 
 const serializeAws_json1_1CreateWorkerBlockRequest = (
   input: CreateWorkerBlockRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Reason !== undefined) {
-    bodyParams["Reason"] = input.Reason;
-  }
-  if (input.WorkerId !== undefined) {
-    bodyParams["WorkerId"] = input.WorkerId;
-  }
-  return bodyParams;
+  return {
+    ...(input.Reason !== undefined && { Reason: input.Reason }),
+    ...(input.WorkerId !== undefined && { WorkerId: input.WorkerId })
+  };
 };
 
 const serializeAws_json1_1CustomerIdList = (
@@ -4066,53 +4009,43 @@ const serializeAws_json1_1DeleteHITRequest = (
   input: DeleteHITRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.HITId !== undefined) {
-    bodyParams["HITId"] = input.HITId;
-  }
-  return bodyParams;
+  return {
+    ...(input.HITId !== undefined && { HITId: input.HITId })
+  };
 };
 
 const serializeAws_json1_1DeleteQualificationTypeRequest = (
   input: DeleteQualificationTypeRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.QualificationTypeId !== undefined) {
-    bodyParams["QualificationTypeId"] = input.QualificationTypeId;
-  }
-  return bodyParams;
+  return {
+    ...(input.QualificationTypeId !== undefined && {
+      QualificationTypeId: input.QualificationTypeId
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteWorkerBlockRequest = (
   input: DeleteWorkerBlockRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Reason !== undefined) {
-    bodyParams["Reason"] = input.Reason;
-  }
-  if (input.WorkerId !== undefined) {
-    bodyParams["WorkerId"] = input.WorkerId;
-  }
-  return bodyParams;
+  return {
+    ...(input.Reason !== undefined && { Reason: input.Reason }),
+    ...(input.WorkerId !== undefined && { WorkerId: input.WorkerId })
+  };
 };
 
 const serializeAws_json1_1DisassociateQualificationFromWorkerRequest = (
   input: DisassociateQualificationFromWorkerRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.QualificationTypeId !== undefined) {
-    bodyParams["QualificationTypeId"] = input.QualificationTypeId;
-  }
-  if (input.Reason !== undefined) {
-    bodyParams["Reason"] = input.Reason;
-  }
-  if (input.WorkerId !== undefined) {
-    bodyParams["WorkerId"] = input.WorkerId;
-  }
-  return bodyParams;
+  return {
+    ...(input.QualificationTypeId !== undefined && {
+      QualificationTypeId: input.QualificationTypeId
+    }),
+    ...(input.Reason !== undefined && { Reason: input.Reason }),
+    ...(input.WorkerId !== undefined && { WorkerId: input.WorkerId })
+  };
 };
 
 const serializeAws_json1_1EventTypeList = (
@@ -4126,83 +4059,74 @@ const serializeAws_json1_1GetAccountBalanceRequest = (
   input: GetAccountBalanceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  return bodyParams;
+  return {};
 };
 
 const serializeAws_json1_1GetAssignmentRequest = (
   input: GetAssignmentRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AssignmentId !== undefined) {
-    bodyParams["AssignmentId"] = input.AssignmentId;
-  }
-  return bodyParams;
+  return {
+    ...(input.AssignmentId !== undefined && {
+      AssignmentId: input.AssignmentId
+    })
+  };
 };
 
 const serializeAws_json1_1GetFileUploadURLRequest = (
   input: GetFileUploadURLRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AssignmentId !== undefined) {
-    bodyParams["AssignmentId"] = input.AssignmentId;
-  }
-  if (input.QuestionIdentifier !== undefined) {
-    bodyParams["QuestionIdentifier"] = input.QuestionIdentifier;
-  }
-  return bodyParams;
+  return {
+    ...(input.AssignmentId !== undefined && {
+      AssignmentId: input.AssignmentId
+    }),
+    ...(input.QuestionIdentifier !== undefined && {
+      QuestionIdentifier: input.QuestionIdentifier
+    })
+  };
 };
 
 const serializeAws_json1_1GetHITRequest = (
   input: GetHITRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.HITId !== undefined) {
-    bodyParams["HITId"] = input.HITId;
-  }
-  return bodyParams;
+  return {
+    ...(input.HITId !== undefined && { HITId: input.HITId })
+  };
 };
 
 const serializeAws_json1_1GetQualificationScoreRequest = (
   input: GetQualificationScoreRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.QualificationTypeId !== undefined) {
-    bodyParams["QualificationTypeId"] = input.QualificationTypeId;
-  }
-  if (input.WorkerId !== undefined) {
-    bodyParams["WorkerId"] = input.WorkerId;
-  }
-  return bodyParams;
+  return {
+    ...(input.QualificationTypeId !== undefined && {
+      QualificationTypeId: input.QualificationTypeId
+    }),
+    ...(input.WorkerId !== undefined && { WorkerId: input.WorkerId })
+  };
 };
 
 const serializeAws_json1_1GetQualificationTypeRequest = (
   input: GetQualificationTypeRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.QualificationTypeId !== undefined) {
-    bodyParams["QualificationTypeId"] = input.QualificationTypeId;
-  }
-  return bodyParams;
+  return {
+    ...(input.QualificationTypeId !== undefined && {
+      QualificationTypeId: input.QualificationTypeId
+    })
+  };
 };
 
 const serializeAws_json1_1HITLayoutParameter = (
   input: HITLayoutParameter,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.Value !== undefined) {
-    bodyParams["Value"] = input.Value;
-  }
-  return bodyParams;
+  return {
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.Value !== undefined && { Value: input.Value })
+  };
 };
 
 const serializeAws_json1_1HITLayoutParameterList = (
@@ -4225,211 +4149,153 @@ const serializeAws_json1_1ListAssignmentsForHITRequest = (
   input: ListAssignmentsForHITRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AssignmentStatuses !== undefined) {
-    bodyParams["AssignmentStatuses"] = serializeAws_json1_1AssignmentStatusList(
-      input.AssignmentStatuses,
-      context
-    );
-  }
-  if (input.HITId !== undefined) {
-    bodyParams["HITId"] = input.HITId;
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.AssignmentStatuses !== undefined && {
+      AssignmentStatuses: serializeAws_json1_1AssignmentStatusList(
+        input.AssignmentStatuses,
+        context
+      )
+    }),
+    ...(input.HITId !== undefined && { HITId: input.HITId }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1ListBonusPaymentsRequest = (
   input: ListBonusPaymentsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AssignmentId !== undefined) {
-    bodyParams["AssignmentId"] = input.AssignmentId;
-  }
-  if (input.HITId !== undefined) {
-    bodyParams["HITId"] = input.HITId;
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.AssignmentId !== undefined && {
+      AssignmentId: input.AssignmentId
+    }),
+    ...(input.HITId !== undefined && { HITId: input.HITId }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1ListHITsForQualificationTypeRequest = (
   input: ListHITsForQualificationTypeRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.QualificationTypeId !== undefined) {
-    bodyParams["QualificationTypeId"] = input.QualificationTypeId;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.QualificationTypeId !== undefined && {
+      QualificationTypeId: input.QualificationTypeId
+    })
+  };
 };
 
 const serializeAws_json1_1ListHITsRequest = (
   input: ListHITsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1ListQualificationRequestsRequest = (
   input: ListQualificationRequestsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.QualificationTypeId !== undefined) {
-    bodyParams["QualificationTypeId"] = input.QualificationTypeId;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.QualificationTypeId !== undefined && {
+      QualificationTypeId: input.QualificationTypeId
+    })
+  };
 };
 
 const serializeAws_json1_1ListQualificationTypesRequest = (
   input: ListQualificationTypesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.MustBeOwnedByCaller !== undefined) {
-    bodyParams["MustBeOwnedByCaller"] = input.MustBeOwnedByCaller;
-  }
-  if (input.MustBeRequestable !== undefined) {
-    bodyParams["MustBeRequestable"] = input.MustBeRequestable;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.Query !== undefined) {
-    bodyParams["Query"] = input.Query;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.MustBeOwnedByCaller !== undefined && {
+      MustBeOwnedByCaller: input.MustBeOwnedByCaller
+    }),
+    ...(input.MustBeRequestable !== undefined && {
+      MustBeRequestable: input.MustBeRequestable
+    }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.Query !== undefined && { Query: input.Query })
+  };
 };
 
 const serializeAws_json1_1ListReviewPolicyResultsForHITRequest = (
   input: ListReviewPolicyResultsForHITRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.HITId !== undefined) {
-    bodyParams["HITId"] = input.HITId;
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.PolicyLevels !== undefined) {
-    bodyParams["PolicyLevels"] = serializeAws_json1_1ReviewPolicyLevelList(
-      input.PolicyLevels,
-      context
-    );
-  }
-  if (input.RetrieveActions !== undefined) {
-    bodyParams["RetrieveActions"] = input.RetrieveActions;
-  }
-  if (input.RetrieveResults !== undefined) {
-    bodyParams["RetrieveResults"] = input.RetrieveResults;
-  }
-  return bodyParams;
+  return {
+    ...(input.HITId !== undefined && { HITId: input.HITId }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.PolicyLevels !== undefined && {
+      PolicyLevels: serializeAws_json1_1ReviewPolicyLevelList(
+        input.PolicyLevels,
+        context
+      )
+    }),
+    ...(input.RetrieveActions !== undefined && {
+      RetrieveActions: input.RetrieveActions
+    }),
+    ...(input.RetrieveResults !== undefined && {
+      RetrieveResults: input.RetrieveResults
+    })
+  };
 };
 
 const serializeAws_json1_1ListReviewableHITsRequest = (
   input: ListReviewableHITsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.HITTypeId !== undefined) {
-    bodyParams["HITTypeId"] = input.HITTypeId;
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.Status !== undefined) {
-    bodyParams["Status"] = input.Status;
-  }
-  return bodyParams;
+  return {
+    ...(input.HITTypeId !== undefined && { HITTypeId: input.HITTypeId }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.Status !== undefined && { Status: input.Status })
+  };
 };
 
 const serializeAws_json1_1ListWorkerBlocksRequest = (
   input: ListWorkerBlocksRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1ListWorkersWithQualificationTypeRequest = (
   input: ListWorkersWithQualificationTypeRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.QualificationTypeId !== undefined) {
-    bodyParams["QualificationTypeId"] = input.QualificationTypeId;
-  }
-  if (input.Status !== undefined) {
-    bodyParams["Status"] = input.Status;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.QualificationTypeId !== undefined && {
+      QualificationTypeId: input.QualificationTypeId
+    }),
+    ...(input.Status !== undefined && { Status: input.Status })
+  };
 };
 
 const serializeAws_json1_1Locale = (
   input: Locale,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Country !== undefined) {
-    bodyParams["Country"] = input.Country;
-  }
-  if (input.Subdivision !== undefined) {
-    bodyParams["Subdivision"] = input.Subdivision;
-  }
-  return bodyParams;
+  return {
+    ...(input.Country !== undefined && { Country: input.Country }),
+    ...(input.Subdivision !== undefined && { Subdivision: input.Subdivision })
+  };
 };
 
 const serializeAws_json1_1LocaleList = (
@@ -4443,60 +4309,39 @@ const serializeAws_json1_1NotificationSpecification = (
   input: NotificationSpecification,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Destination !== undefined) {
-    bodyParams["Destination"] = input.Destination;
-  }
-  if (input.EventTypes !== undefined) {
-    bodyParams["EventTypes"] = serializeAws_json1_1EventTypeList(
-      input.EventTypes,
-      context
-    );
-  }
-  if (input.Transport !== undefined) {
-    bodyParams["Transport"] = input.Transport;
-  }
-  if (input.Version !== undefined) {
-    bodyParams["Version"] = input.Version;
-  }
-  return bodyParams;
+  return {
+    ...(input.Destination !== undefined && { Destination: input.Destination }),
+    ...(input.EventTypes !== undefined && {
+      EventTypes: serializeAws_json1_1EventTypeList(input.EventTypes, context)
+    }),
+    ...(input.Transport !== undefined && { Transport: input.Transport }),
+    ...(input.Version !== undefined && { Version: input.Version })
+  };
 };
 
 const serializeAws_json1_1NotifyWorkersRequest = (
   input: NotifyWorkersRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MessageText !== undefined) {
-    bodyParams["MessageText"] = input.MessageText;
-  }
-  if (input.Subject !== undefined) {
-    bodyParams["Subject"] = input.Subject;
-  }
-  if (input.WorkerIds !== undefined) {
-    bodyParams["WorkerIds"] = serializeAws_json1_1CustomerIdList(
-      input.WorkerIds,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.MessageText !== undefined && { MessageText: input.MessageText }),
+    ...(input.Subject !== undefined && { Subject: input.Subject }),
+    ...(input.WorkerIds !== undefined && {
+      WorkerIds: serializeAws_json1_1CustomerIdList(input.WorkerIds, context)
+    })
+  };
 };
 
 const serializeAws_json1_1ParameterMapEntry = (
   input: ParameterMapEntry,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Key !== undefined) {
-    bodyParams["Key"] = input.Key;
-  }
-  if (input.Values !== undefined) {
-    bodyParams["Values"] = serializeAws_json1_1StringList(
-      input.Values,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Key !== undefined && { Key: input.Key }),
+    ...(input.Values !== undefined && {
+      Values: serializeAws_json1_1StringList(input.Values, context)
+    })
+  };
 };
 
 const serializeAws_json1_1ParameterMapEntryList = (
@@ -4512,23 +4357,18 @@ const serializeAws_json1_1PolicyParameter = (
   input: PolicyParameter,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Key !== undefined) {
-    bodyParams["Key"] = input.Key;
-  }
-  if (input.MapEntries !== undefined) {
-    bodyParams["MapEntries"] = serializeAws_json1_1ParameterMapEntryList(
-      input.MapEntries,
-      context
-    );
-  }
-  if (input.Values !== undefined) {
-    bodyParams["Values"] = serializeAws_json1_1StringList(
-      input.Values,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Key !== undefined && { Key: input.Key }),
+    ...(input.MapEntries !== undefined && {
+      MapEntries: serializeAws_json1_1ParameterMapEntryList(
+        input.MapEntries,
+        context
+      )
+    }),
+    ...(input.Values !== undefined && {
+      Values: serializeAws_json1_1StringList(input.Values, context)
+    })
+  };
 };
 
 const serializeAws_json1_1PolicyParameterList = (
@@ -4544,32 +4384,27 @@ const serializeAws_json1_1QualificationRequirement = (
   input: QualificationRequirement,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ActionsGuarded !== undefined) {
-    bodyParams["ActionsGuarded"] = input.ActionsGuarded;
-  }
-  if (input.Comparator !== undefined) {
-    bodyParams["Comparator"] = input.Comparator;
-  }
-  if (input.IntegerValues !== undefined) {
-    bodyParams["IntegerValues"] = serializeAws_json1_1IntegerList(
-      input.IntegerValues,
-      context
-    );
-  }
-  if (input.LocaleValues !== undefined) {
-    bodyParams["LocaleValues"] = serializeAws_json1_1LocaleList(
-      input.LocaleValues,
-      context
-    );
-  }
-  if (input.QualificationTypeId !== undefined) {
-    bodyParams["QualificationTypeId"] = input.QualificationTypeId;
-  }
-  if (input.RequiredToPreview !== undefined) {
-    bodyParams["RequiredToPreview"] = input.RequiredToPreview;
-  }
-  return bodyParams;
+  return {
+    ...(input.ActionsGuarded !== undefined && {
+      ActionsGuarded: input.ActionsGuarded
+    }),
+    ...(input.Comparator !== undefined && { Comparator: input.Comparator }),
+    ...(input.IntegerValues !== undefined && {
+      IntegerValues: serializeAws_json1_1IntegerList(
+        input.IntegerValues,
+        context
+      )
+    }),
+    ...(input.LocaleValues !== undefined && {
+      LocaleValues: serializeAws_json1_1LocaleList(input.LocaleValues, context)
+    }),
+    ...(input.QualificationTypeId !== undefined && {
+      QualificationTypeId: input.QualificationTypeId
+    }),
+    ...(input.RequiredToPreview !== undefined && {
+      RequiredToPreview: input.RequiredToPreview
+    })
+  };
 };
 
 const serializeAws_json1_1QualificationRequirementList = (
@@ -4585,45 +4420,41 @@ const serializeAws_json1_1RejectAssignmentRequest = (
   input: RejectAssignmentRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AssignmentId !== undefined) {
-    bodyParams["AssignmentId"] = input.AssignmentId;
-  }
-  if (input.RequesterFeedback !== undefined) {
-    bodyParams["RequesterFeedback"] = input.RequesterFeedback;
-  }
-  return bodyParams;
+  return {
+    ...(input.AssignmentId !== undefined && {
+      AssignmentId: input.AssignmentId
+    }),
+    ...(input.RequesterFeedback !== undefined && {
+      RequesterFeedback: input.RequesterFeedback
+    })
+  };
 };
 
 const serializeAws_json1_1RejectQualificationRequestRequest = (
   input: RejectQualificationRequestRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.QualificationRequestId !== undefined) {
-    bodyParams["QualificationRequestId"] = input.QualificationRequestId;
-  }
-  if (input.Reason !== undefined) {
-    bodyParams["Reason"] = input.Reason;
-  }
-  return bodyParams;
+  return {
+    ...(input.QualificationRequestId !== undefined && {
+      QualificationRequestId: input.QualificationRequestId
+    }),
+    ...(input.Reason !== undefined && { Reason: input.Reason })
+  };
 };
 
 const serializeAws_json1_1ReviewPolicy = (
   input: ReviewPolicy,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Parameters !== undefined) {
-    bodyParams["Parameters"] = serializeAws_json1_1PolicyParameterList(
-      input.Parameters,
-      context
-    );
-  }
-  if (input.PolicyName !== undefined) {
-    bodyParams["PolicyName"] = input.PolicyName;
-  }
-  return bodyParams;
+  return {
+    ...(input.Parameters !== undefined && {
+      Parameters: serializeAws_json1_1PolicyParameterList(
+        input.Parameters,
+        context
+      )
+    }),
+    ...(input.PolicyName !== undefined && { PolicyName: input.PolicyName })
+  };
 };
 
 const serializeAws_json1_1ReviewPolicyLevelList = (
@@ -4637,40 +4468,34 @@ const serializeAws_json1_1SendBonusRequest = (
   input: SendBonusRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AssignmentId !== undefined) {
-    bodyParams["AssignmentId"] = input.AssignmentId;
-  }
-  if (input.BonusAmount !== undefined) {
-    bodyParams["BonusAmount"] = input.BonusAmount;
-  }
-  if (input.Reason !== undefined) {
-    bodyParams["Reason"] = input.Reason;
-  }
-  if (input.UniqueRequestToken !== undefined) {
-    bodyParams["UniqueRequestToken"] = input.UniqueRequestToken;
-  }
-  if (input.WorkerId !== undefined) {
-    bodyParams["WorkerId"] = input.WorkerId;
-  }
-  return bodyParams;
+  return {
+    ...(input.AssignmentId !== undefined && {
+      AssignmentId: input.AssignmentId
+    }),
+    ...(input.BonusAmount !== undefined && { BonusAmount: input.BonusAmount }),
+    ...(input.Reason !== undefined && { Reason: input.Reason }),
+    ...(input.UniqueRequestToken !== undefined && {
+      UniqueRequestToken: input.UniqueRequestToken
+    }),
+    ...(input.WorkerId !== undefined && { WorkerId: input.WorkerId })
+  };
 };
 
 const serializeAws_json1_1SendTestEventNotificationRequest = (
   input: SendTestEventNotificationRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Notification !== undefined) {
-    bodyParams["Notification"] = serializeAws_json1_1NotificationSpecification(
-      input.Notification,
-      context
-    );
-  }
-  if (input.TestEventType !== undefined) {
-    bodyParams["TestEventType"] = input.TestEventType;
-  }
-  return bodyParams;
+  return {
+    ...(input.Notification !== undefined && {
+      Notification: serializeAws_json1_1NotificationSpecification(
+        input.Notification,
+        context
+      )
+    }),
+    ...(input.TestEventType !== undefined && {
+      TestEventType: input.TestEventType
+    })
+  };
 };
 
 const serializeAws_json1_1StringList = (
@@ -4684,97 +4509,75 @@ const serializeAws_json1_1UpdateExpirationForHITRequest = (
   input: UpdateExpirationForHITRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ExpireAt !== undefined) {
-    bodyParams["ExpireAt"] = Math.round(input.ExpireAt.getTime() / 1000);
-  }
-  if (input.HITId !== undefined) {
-    bodyParams["HITId"] = input.HITId;
-  }
-  return bodyParams;
+  return {
+    ...(input.ExpireAt !== undefined && {
+      ExpireAt: Math.round(input.ExpireAt.getTime() / 1000)
+    }),
+    ...(input.HITId !== undefined && { HITId: input.HITId })
+  };
 };
 
 const serializeAws_json1_1UpdateHITReviewStatusRequest = (
   input: UpdateHITReviewStatusRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.HITId !== undefined) {
-    bodyParams["HITId"] = input.HITId;
-  }
-  if (input.Revert !== undefined) {
-    bodyParams["Revert"] = input.Revert;
-  }
-  return bodyParams;
+  return {
+    ...(input.HITId !== undefined && { HITId: input.HITId }),
+    ...(input.Revert !== undefined && { Revert: input.Revert })
+  };
 };
 
 const serializeAws_json1_1UpdateHITTypeOfHITRequest = (
   input: UpdateHITTypeOfHITRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.HITId !== undefined) {
-    bodyParams["HITId"] = input.HITId;
-  }
-  if (input.HITTypeId !== undefined) {
-    bodyParams["HITTypeId"] = input.HITTypeId;
-  }
-  return bodyParams;
+  return {
+    ...(input.HITId !== undefined && { HITId: input.HITId }),
+    ...(input.HITTypeId !== undefined && { HITTypeId: input.HITTypeId })
+  };
 };
 
 const serializeAws_json1_1UpdateNotificationSettingsRequest = (
   input: UpdateNotificationSettingsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Active !== undefined) {
-    bodyParams["Active"] = input.Active;
-  }
-  if (input.HITTypeId !== undefined) {
-    bodyParams["HITTypeId"] = input.HITTypeId;
-  }
-  if (input.Notification !== undefined) {
-    bodyParams["Notification"] = serializeAws_json1_1NotificationSpecification(
-      input.Notification,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Active !== undefined && { Active: input.Active }),
+    ...(input.HITTypeId !== undefined && { HITTypeId: input.HITTypeId }),
+    ...(input.Notification !== undefined && {
+      Notification: serializeAws_json1_1NotificationSpecification(
+        input.Notification,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateQualificationTypeRequest = (
   input: UpdateQualificationTypeRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AnswerKey !== undefined) {
-    bodyParams["AnswerKey"] = input.AnswerKey;
-  }
-  if (input.AutoGranted !== undefined) {
-    bodyParams["AutoGranted"] = input.AutoGranted;
-  }
-  if (input.AutoGrantedValue !== undefined) {
-    bodyParams["AutoGrantedValue"] = input.AutoGrantedValue;
-  }
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.QualificationTypeId !== undefined) {
-    bodyParams["QualificationTypeId"] = input.QualificationTypeId;
-  }
-  if (input.QualificationTypeStatus !== undefined) {
-    bodyParams["QualificationTypeStatus"] = input.QualificationTypeStatus;
-  }
-  if (input.RetryDelayInSeconds !== undefined) {
-    bodyParams["RetryDelayInSeconds"] = input.RetryDelayInSeconds;
-  }
-  if (input.Test !== undefined) {
-    bodyParams["Test"] = input.Test;
-  }
-  if (input.TestDurationInSeconds !== undefined) {
-    bodyParams["TestDurationInSeconds"] = input.TestDurationInSeconds;
-  }
-  return bodyParams;
+  return {
+    ...(input.AnswerKey !== undefined && { AnswerKey: input.AnswerKey }),
+    ...(input.AutoGranted !== undefined && { AutoGranted: input.AutoGranted }),
+    ...(input.AutoGrantedValue !== undefined && {
+      AutoGrantedValue: input.AutoGrantedValue
+    }),
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.QualificationTypeId !== undefined && {
+      QualificationTypeId: input.QualificationTypeId
+    }),
+    ...(input.QualificationTypeStatus !== undefined && {
+      QualificationTypeStatus: input.QualificationTypeStatus
+    }),
+    ...(input.RetryDelayInSeconds !== undefined && {
+      RetryDelayInSeconds: input.RetryDelayInSeconds
+    }),
+    ...(input.Test !== undefined && { Test: input.Test }),
+    ...(input.TestDurationInSeconds !== undefined && {
+      TestDurationInSeconds: input.TestDurationInSeconds
+    })
+  };
 };
 
 const deserializeAws_json1_1AcceptQualificationRequestResponse = (
diff --git a/clients/client-networkmanager/protocols/Aws_restJson1_1.ts b/clients/client-networkmanager/protocols/Aws_restJson1_1.ts
index 46e41822ac87..af17845ff10b 100644
--- a/clients/client-networkmanager/protocols/Aws_restJson1_1.ts
+++ b/clients/client-networkmanager/protocols/Aws_restJson1_1.ts
@@ -4947,45 +4947,33 @@ const serializeAws_restJson1_1Bandwidth = (
   input: Bandwidth,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DownloadSpeed !== undefined) {
-    bodyParams["DownloadSpeed"] = input.DownloadSpeed;
-  }
-  if (input.UploadSpeed !== undefined) {
-    bodyParams["UploadSpeed"] = input.UploadSpeed;
-  }
-  return bodyParams;
+  return {
+    ...(input.DownloadSpeed !== undefined && {
+      DownloadSpeed: input.DownloadSpeed
+    }),
+    ...(input.UploadSpeed !== undefined && { UploadSpeed: input.UploadSpeed })
+  };
 };
 
 const serializeAws_restJson1_1Location = (
   input: Location,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Address !== undefined) {
-    bodyParams["Address"] = input.Address;
-  }
-  if (input.Latitude !== undefined) {
-    bodyParams["Latitude"] = input.Latitude;
-  }
-  if (input.Longitude !== undefined) {
-    bodyParams["Longitude"] = input.Longitude;
-  }
-  return bodyParams;
+  return {
+    ...(input.Address !== undefined && { Address: input.Address }),
+    ...(input.Latitude !== undefined && { Latitude: input.Latitude }),
+    ...(input.Longitude !== undefined && { Longitude: input.Longitude })
+  };
 };
 
 const serializeAws_restJson1_1Tag = (
   input: Tag,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Key !== undefined) {
-    bodyParams["Key"] = input.Key;
-  }
-  if (input.Value !== undefined) {
-    bodyParams["Value"] = input.Value;
-  }
-  return bodyParams;
+  return {
+    ...(input.Key !== undefined && { Key: input.Key }),
+    ...(input.Value !== undefined && { Value: input.Value })
+  };
 };
 
 const serializeAws_restJson1_1TagList = (
diff --git a/clients/client-opsworks/protocols/Aws_json1_1.ts b/clients/client-opsworks/protocols/Aws_json1_1.ts
index 32e7aceabb02..28041a67d4c5 100644
--- a/clients/client-opsworks/protocols/Aws_json1_1.ts
+++ b/clients/client-opsworks/protocols/Aws_json1_1.ts
@@ -6709,108 +6709,87 @@ const serializeAws_json1_1AssignInstanceRequest = (
   input: AssignInstanceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.InstanceId !== undefined) {
-    bodyParams["InstanceId"] = input.InstanceId;
-  }
-  if (input.LayerIds !== undefined) {
-    bodyParams["LayerIds"] = serializeAws_json1_1Strings(
-      input.LayerIds,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.InstanceId !== undefined && { InstanceId: input.InstanceId }),
+    ...(input.LayerIds !== undefined && {
+      LayerIds: serializeAws_json1_1Strings(input.LayerIds, context)
+    })
+  };
 };
 
 const serializeAws_json1_1AssignVolumeRequest = (
   input: AssignVolumeRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.InstanceId !== undefined) {
-    bodyParams["InstanceId"] = input.InstanceId;
-  }
-  if (input.VolumeId !== undefined) {
-    bodyParams["VolumeId"] = input.VolumeId;
-  }
-  return bodyParams;
+  return {
+    ...(input.InstanceId !== undefined && { InstanceId: input.InstanceId }),
+    ...(input.VolumeId !== undefined && { VolumeId: input.VolumeId })
+  };
 };
 
 const serializeAws_json1_1AssociateElasticIpRequest = (
   input: AssociateElasticIpRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ElasticIp !== undefined) {
-    bodyParams["ElasticIp"] = input.ElasticIp;
-  }
-  if (input.InstanceId !== undefined) {
-    bodyParams["InstanceId"] = input.InstanceId;
-  }
-  return bodyParams;
+  return {
+    ...(input.ElasticIp !== undefined && { ElasticIp: input.ElasticIp }),
+    ...(input.InstanceId !== undefined && { InstanceId: input.InstanceId })
+  };
 };
 
 const serializeAws_json1_1AttachElasticLoadBalancerRequest = (
   input: AttachElasticLoadBalancerRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ElasticLoadBalancerName !== undefined) {
-    bodyParams["ElasticLoadBalancerName"] = input.ElasticLoadBalancerName;
-  }
-  if (input.LayerId !== undefined) {
-    bodyParams["LayerId"] = input.LayerId;
-  }
-  return bodyParams;
+  return {
+    ...(input.ElasticLoadBalancerName !== undefined && {
+      ElasticLoadBalancerName: input.ElasticLoadBalancerName
+    }),
+    ...(input.LayerId !== undefined && { LayerId: input.LayerId })
+  };
 };
 
 const serializeAws_json1_1AutoScalingThresholds = (
   input: AutoScalingThresholds,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Alarms !== undefined) {
-    bodyParams["Alarms"] = serializeAws_json1_1Strings(input.Alarms, context);
-  }
-  if (input.CpuThreshold !== undefined) {
-    bodyParams["CpuThreshold"] = input.CpuThreshold;
-  }
-  if (input.IgnoreMetricsTime !== undefined) {
-    bodyParams["IgnoreMetricsTime"] = input.IgnoreMetricsTime;
-  }
-  if (input.InstanceCount !== undefined) {
-    bodyParams["InstanceCount"] = input.InstanceCount;
-  }
-  if (input.LoadThreshold !== undefined) {
-    bodyParams["LoadThreshold"] = input.LoadThreshold;
-  }
-  if (input.MemoryThreshold !== undefined) {
-    bodyParams["MemoryThreshold"] = input.MemoryThreshold;
-  }
-  if (input.ThresholdsWaitTime !== undefined) {
-    bodyParams["ThresholdsWaitTime"] = input.ThresholdsWaitTime;
-  }
-  return bodyParams;
+  return {
+    ...(input.Alarms !== undefined && {
+      Alarms: serializeAws_json1_1Strings(input.Alarms, context)
+    }),
+    ...(input.CpuThreshold !== undefined && {
+      CpuThreshold: input.CpuThreshold
+    }),
+    ...(input.IgnoreMetricsTime !== undefined && {
+      IgnoreMetricsTime: input.IgnoreMetricsTime
+    }),
+    ...(input.InstanceCount !== undefined && {
+      InstanceCount: input.InstanceCount
+    }),
+    ...(input.LoadThreshold !== undefined && {
+      LoadThreshold: input.LoadThreshold
+    }),
+    ...(input.MemoryThreshold !== undefined && {
+      MemoryThreshold: input.MemoryThreshold
+    }),
+    ...(input.ThresholdsWaitTime !== undefined && {
+      ThresholdsWaitTime: input.ThresholdsWaitTime
+    })
+  };
 };
 
 const serializeAws_json1_1BlockDeviceMapping = (
   input: BlockDeviceMapping,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DeviceName !== undefined) {
-    bodyParams["DeviceName"] = input.DeviceName;
-  }
-  if (input.Ebs !== undefined) {
-    bodyParams["Ebs"] = serializeAws_json1_1EbsBlockDevice(input.Ebs, context);
-  }
-  if (input.NoDevice !== undefined) {
-    bodyParams["NoDevice"] = input.NoDevice;
-  }
-  if (input.VirtualName !== undefined) {
-    bodyParams["VirtualName"] = input.VirtualName;
-  }
-  return bodyParams;
+  return {
+    ...(input.DeviceName !== undefined && { DeviceName: input.DeviceName }),
+    ...(input.Ebs !== undefined && {
+      Ebs: serializeAws_json1_1EbsBlockDevice(input.Ebs, context)
+    }),
+    ...(input.NoDevice !== undefined && { NoDevice: input.NoDevice }),
+    ...(input.VirtualName !== undefined && { VirtualName: input.VirtualName })
+  };
 };
 
 const serializeAws_json1_1BlockDeviceMappings = (
@@ -6826,163 +6805,133 @@ const serializeAws_json1_1ChefConfiguration = (
   input: ChefConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.BerkshelfVersion !== undefined) {
-    bodyParams["BerkshelfVersion"] = input.BerkshelfVersion;
-  }
-  if (input.ManageBerkshelf !== undefined) {
-    bodyParams["ManageBerkshelf"] = input.ManageBerkshelf;
-  }
-  return bodyParams;
+  return {
+    ...(input.BerkshelfVersion !== undefined && {
+      BerkshelfVersion: input.BerkshelfVersion
+    }),
+    ...(input.ManageBerkshelf !== undefined && {
+      ManageBerkshelf: input.ManageBerkshelf
+    })
+  };
 };
 
 const serializeAws_json1_1CloneStackRequest = (
   input: CloneStackRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AgentVersion !== undefined) {
-    bodyParams["AgentVersion"] = input.AgentVersion;
-  }
-  if (input.Attributes !== undefined) {
-    bodyParams["Attributes"] = serializeAws_json1_1StackAttributes(
-      input.Attributes,
-      context
-    );
-  }
-  if (input.ChefConfiguration !== undefined) {
-    bodyParams["ChefConfiguration"] = serializeAws_json1_1ChefConfiguration(
-      input.ChefConfiguration,
-      context
-    );
-  }
-  if (input.CloneAppIds !== undefined) {
-    bodyParams["CloneAppIds"] = serializeAws_json1_1Strings(
-      input.CloneAppIds,
-      context
-    );
-  }
-  if (input.ClonePermissions !== undefined) {
-    bodyParams["ClonePermissions"] = input.ClonePermissions;
-  }
-  if (input.ConfigurationManager !== undefined) {
-    bodyParams[
-      "ConfigurationManager"
-    ] = serializeAws_json1_1StackConfigurationManager(
-      input.ConfigurationManager,
-      context
-    );
-  }
-  if (input.CustomCookbooksSource !== undefined) {
-    bodyParams["CustomCookbooksSource"] = serializeAws_json1_1Source(
-      input.CustomCookbooksSource,
-      context
-    );
-  }
-  if (input.CustomJson !== undefined) {
-    bodyParams["CustomJson"] = input.CustomJson;
-  }
-  if (input.DefaultAvailabilityZone !== undefined) {
-    bodyParams["DefaultAvailabilityZone"] = input.DefaultAvailabilityZone;
-  }
-  if (input.DefaultInstanceProfileArn !== undefined) {
-    bodyParams["DefaultInstanceProfileArn"] = input.DefaultInstanceProfileArn;
-  }
-  if (input.DefaultOs !== undefined) {
-    bodyParams["DefaultOs"] = input.DefaultOs;
-  }
-  if (input.DefaultRootDeviceType !== undefined) {
-    bodyParams["DefaultRootDeviceType"] = input.DefaultRootDeviceType;
-  }
-  if (input.DefaultSshKeyName !== undefined) {
-    bodyParams["DefaultSshKeyName"] = input.DefaultSshKeyName;
-  }
-  if (input.DefaultSubnetId !== undefined) {
-    bodyParams["DefaultSubnetId"] = input.DefaultSubnetId;
-  }
-  if (input.HostnameTheme !== undefined) {
-    bodyParams["HostnameTheme"] = input.HostnameTheme;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.Region !== undefined) {
-    bodyParams["Region"] = input.Region;
-  }
-  if (input.ServiceRoleArn !== undefined) {
-    bodyParams["ServiceRoleArn"] = input.ServiceRoleArn;
-  }
-  if (input.SourceStackId !== undefined) {
-    bodyParams["SourceStackId"] = input.SourceStackId;
-  }
-  if (input.UseCustomCookbooks !== undefined) {
-    bodyParams["UseCustomCookbooks"] = input.UseCustomCookbooks;
-  }
-  if (input.UseOpsworksSecurityGroups !== undefined) {
-    bodyParams["UseOpsworksSecurityGroups"] = input.UseOpsworksSecurityGroups;
-  }
-  if (input.VpcId !== undefined) {
-    bodyParams["VpcId"] = input.VpcId;
-  }
-  return bodyParams;
+  return {
+    ...(input.AgentVersion !== undefined && {
+      AgentVersion: input.AgentVersion
+    }),
+    ...(input.Attributes !== undefined && {
+      Attributes: serializeAws_json1_1StackAttributes(input.Attributes, context)
+    }),
+    ...(input.ChefConfiguration !== undefined && {
+      ChefConfiguration: serializeAws_json1_1ChefConfiguration(
+        input.ChefConfiguration,
+        context
+      )
+    }),
+    ...(input.CloneAppIds !== undefined && {
+      CloneAppIds: serializeAws_json1_1Strings(input.CloneAppIds, context)
+    }),
+    ...(input.ClonePermissions !== undefined && {
+      ClonePermissions: input.ClonePermissions
+    }),
+    ...(input.ConfigurationManager !== undefined && {
+      ConfigurationManager: serializeAws_json1_1StackConfigurationManager(
+        input.ConfigurationManager,
+        context
+      )
+    }),
+    ...(input.CustomCookbooksSource !== undefined && {
+      CustomCookbooksSource: serializeAws_json1_1Source(
+        input.CustomCookbooksSource,
+        context
+      )
+    }),
+    ...(input.CustomJson !== undefined && { CustomJson: input.CustomJson }),
+    ...(input.DefaultAvailabilityZone !== undefined && {
+      DefaultAvailabilityZone: input.DefaultAvailabilityZone
+    }),
+    ...(input.DefaultInstanceProfileArn !== undefined && {
+      DefaultInstanceProfileArn: input.DefaultInstanceProfileArn
+    }),
+    ...(input.DefaultOs !== undefined && { DefaultOs: input.DefaultOs }),
+    ...(input.DefaultRootDeviceType !== undefined && {
+      DefaultRootDeviceType: input.DefaultRootDeviceType
+    }),
+    ...(input.DefaultSshKeyName !== undefined && {
+      DefaultSshKeyName: input.DefaultSshKeyName
+    }),
+    ...(input.DefaultSubnetId !== undefined && {
+      DefaultSubnetId: input.DefaultSubnetId
+    }),
+    ...(input.HostnameTheme !== undefined && {
+      HostnameTheme: input.HostnameTheme
+    }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.Region !== undefined && { Region: input.Region }),
+    ...(input.ServiceRoleArn !== undefined && {
+      ServiceRoleArn: input.ServiceRoleArn
+    }),
+    ...(input.SourceStackId !== undefined && {
+      SourceStackId: input.SourceStackId
+    }),
+    ...(input.UseCustomCookbooks !== undefined && {
+      UseCustomCookbooks: input.UseCustomCookbooks
+    }),
+    ...(input.UseOpsworksSecurityGroups !== undefined && {
+      UseOpsworksSecurityGroups: input.UseOpsworksSecurityGroups
+    }),
+    ...(input.VpcId !== undefined && { VpcId: input.VpcId })
+  };
 };
 
 const serializeAws_json1_1CloudWatchLogsConfiguration = (
   input: CloudWatchLogsConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Enabled !== undefined) {
-    bodyParams["Enabled"] = input.Enabled;
-  }
-  if (input.LogStreams !== undefined) {
-    bodyParams["LogStreams"] = serializeAws_json1_1CloudWatchLogsLogStreams(
-      input.LogStreams,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Enabled !== undefined && { Enabled: input.Enabled }),
+    ...(input.LogStreams !== undefined && {
+      LogStreams: serializeAws_json1_1CloudWatchLogsLogStreams(
+        input.LogStreams,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1CloudWatchLogsLogStream = (
   input: CloudWatchLogsLogStream,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.BatchCount !== undefined) {
-    bodyParams["BatchCount"] = input.BatchCount;
-  }
-  if (input.BatchSize !== undefined) {
-    bodyParams["BatchSize"] = input.BatchSize;
-  }
-  if (input.BufferDuration !== undefined) {
-    bodyParams["BufferDuration"] = input.BufferDuration;
-  }
-  if (input.DatetimeFormat !== undefined) {
-    bodyParams["DatetimeFormat"] = input.DatetimeFormat;
-  }
-  if (input.Encoding !== undefined) {
-    bodyParams["Encoding"] = input.Encoding;
-  }
-  if (input.File !== undefined) {
-    bodyParams["File"] = input.File;
-  }
-  if (input.FileFingerprintLines !== undefined) {
-    bodyParams["FileFingerprintLines"] = input.FileFingerprintLines;
-  }
-  if (input.InitialPosition !== undefined) {
-    bodyParams["InitialPosition"] = input.InitialPosition;
-  }
-  if (input.LogGroupName !== undefined) {
-    bodyParams["LogGroupName"] = input.LogGroupName;
-  }
-  if (input.MultiLineStartPattern !== undefined) {
-    bodyParams["MultiLineStartPattern"] = input.MultiLineStartPattern;
-  }
-  if (input.TimeZone !== undefined) {
-    bodyParams["TimeZone"] = input.TimeZone;
-  }
-  return bodyParams;
+  return {
+    ...(input.BatchCount !== undefined && { BatchCount: input.BatchCount }),
+    ...(input.BatchSize !== undefined && { BatchSize: input.BatchSize }),
+    ...(input.BufferDuration !== undefined && {
+      BufferDuration: input.BufferDuration
+    }),
+    ...(input.DatetimeFormat !== undefined && {
+      DatetimeFormat: input.DatetimeFormat
+    }),
+    ...(input.Encoding !== undefined && { Encoding: input.Encoding }),
+    ...(input.File !== undefined && { File: input.File }),
+    ...(input.FileFingerprintLines !== undefined && {
+      FileFingerprintLines: input.FileFingerprintLines
+    }),
+    ...(input.InitialPosition !== undefined && {
+      InitialPosition: input.InitialPosition
+    }),
+    ...(input.LogGroupName !== undefined && {
+      LogGroupName: input.LogGroupName
+    }),
+    ...(input.MultiLineStartPattern !== undefined && {
+      MultiLineStartPattern: input.MultiLineStartPattern
+    }),
+    ...(input.TimeZone !== undefined && { TimeZone: input.TimeZone })
+  };
 };
 
 const serializeAws_json1_1CloudWatchLogsLogStreams = (
@@ -6998,353 +6947,254 @@ const serializeAws_json1_1CreateAppRequest = (
   input: CreateAppRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AppSource !== undefined) {
-    bodyParams["AppSource"] = serializeAws_json1_1Source(
-      input.AppSource,
-      context
-    );
-  }
-  if (input.Attributes !== undefined) {
-    bodyParams["Attributes"] = serializeAws_json1_1AppAttributes(
-      input.Attributes,
-      context
-    );
-  }
-  if (input.DataSources !== undefined) {
-    bodyParams["DataSources"] = serializeAws_json1_1DataSources(
-      input.DataSources,
-      context
-    );
-  }
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.Domains !== undefined) {
-    bodyParams["Domains"] = serializeAws_json1_1Strings(input.Domains, context);
-  }
-  if (input.EnableSsl !== undefined) {
-    bodyParams["EnableSsl"] = input.EnableSsl;
-  }
-  if (input.Environment !== undefined) {
-    bodyParams["Environment"] = serializeAws_json1_1EnvironmentVariables(
-      input.Environment,
-      context
-    );
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.Shortname !== undefined) {
-    bodyParams["Shortname"] = input.Shortname;
-  }
-  if (input.SslConfiguration !== undefined) {
-    bodyParams["SslConfiguration"] = serializeAws_json1_1SslConfiguration(
-      input.SslConfiguration,
-      context
-    );
-  }
-  if (input.StackId !== undefined) {
-    bodyParams["StackId"] = input.StackId;
-  }
-  if (input.Type !== undefined) {
-    bodyParams["Type"] = input.Type;
-  }
-  return bodyParams;
+  return {
+    ...(input.AppSource !== undefined && {
+      AppSource: serializeAws_json1_1Source(input.AppSource, context)
+    }),
+    ...(input.Attributes !== undefined && {
+      Attributes: serializeAws_json1_1AppAttributes(input.Attributes, context)
+    }),
+    ...(input.DataSources !== undefined && {
+      DataSources: serializeAws_json1_1DataSources(input.DataSources, context)
+    }),
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.Domains !== undefined && {
+      Domains: serializeAws_json1_1Strings(input.Domains, context)
+    }),
+    ...(input.EnableSsl !== undefined && { EnableSsl: input.EnableSsl }),
+    ...(input.Environment !== undefined && {
+      Environment: serializeAws_json1_1EnvironmentVariables(
+        input.Environment,
+        context
+      )
+    }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.Shortname !== undefined && { Shortname: input.Shortname }),
+    ...(input.SslConfiguration !== undefined && {
+      SslConfiguration: serializeAws_json1_1SslConfiguration(
+        input.SslConfiguration,
+        context
+      )
+    }),
+    ...(input.StackId !== undefined && { StackId: input.StackId }),
+    ...(input.Type !== undefined && { Type: input.Type })
+  };
 };
 
 const serializeAws_json1_1CreateDeploymentRequest = (
   input: CreateDeploymentRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AppId !== undefined) {
-    bodyParams["AppId"] = input.AppId;
-  }
-  if (input.Command !== undefined) {
-    bodyParams["Command"] = serializeAws_json1_1DeploymentCommand(
-      input.Command,
-      context
-    );
-  }
-  if (input.Comment !== undefined) {
-    bodyParams["Comment"] = input.Comment;
-  }
-  if (input.CustomJson !== undefined) {
-    bodyParams["CustomJson"] = input.CustomJson;
-  }
-  if (input.InstanceIds !== undefined) {
-    bodyParams["InstanceIds"] = serializeAws_json1_1Strings(
-      input.InstanceIds,
-      context
-    );
-  }
-  if (input.LayerIds !== undefined) {
-    bodyParams["LayerIds"] = serializeAws_json1_1Strings(
-      input.LayerIds,
-      context
-    );
-  }
-  if (input.StackId !== undefined) {
-    bodyParams["StackId"] = input.StackId;
-  }
-  return bodyParams;
+  return {
+    ...(input.AppId !== undefined && { AppId: input.AppId }),
+    ...(input.Command !== undefined && {
+      Command: serializeAws_json1_1DeploymentCommand(input.Command, context)
+    }),
+    ...(input.Comment !== undefined && { Comment: input.Comment }),
+    ...(input.CustomJson !== undefined && { CustomJson: input.CustomJson }),
+    ...(input.InstanceIds !== undefined && {
+      InstanceIds: serializeAws_json1_1Strings(input.InstanceIds, context)
+    }),
+    ...(input.LayerIds !== undefined && {
+      LayerIds: serializeAws_json1_1Strings(input.LayerIds, context)
+    }),
+    ...(input.StackId !== undefined && { StackId: input.StackId })
+  };
 };
 
 const serializeAws_json1_1CreateInstanceRequest = (
   input: CreateInstanceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AgentVersion !== undefined) {
-    bodyParams["AgentVersion"] = input.AgentVersion;
-  }
-  if (input.AmiId !== undefined) {
-    bodyParams["AmiId"] = input.AmiId;
-  }
-  if (input.Architecture !== undefined) {
-    bodyParams["Architecture"] = input.Architecture;
-  }
-  if (input.AutoScalingType !== undefined) {
-    bodyParams["AutoScalingType"] = input.AutoScalingType;
-  }
-  if (input.AvailabilityZone !== undefined) {
-    bodyParams["AvailabilityZone"] = input.AvailabilityZone;
-  }
-  if (input.BlockDeviceMappings !== undefined) {
-    bodyParams["BlockDeviceMappings"] = serializeAws_json1_1BlockDeviceMappings(
-      input.BlockDeviceMappings,
-      context
-    );
-  }
-  if (input.EbsOptimized !== undefined) {
-    bodyParams["EbsOptimized"] = input.EbsOptimized;
-  }
-  if (input.Hostname !== undefined) {
-    bodyParams["Hostname"] = input.Hostname;
-  }
-  if (input.InstallUpdatesOnBoot !== undefined) {
-    bodyParams["InstallUpdatesOnBoot"] = input.InstallUpdatesOnBoot;
-  }
-  if (input.InstanceType !== undefined) {
-    bodyParams["InstanceType"] = input.InstanceType;
-  }
-  if (input.LayerIds !== undefined) {
-    bodyParams["LayerIds"] = serializeAws_json1_1Strings(
-      input.LayerIds,
-      context
-    );
-  }
-  if (input.Os !== undefined) {
-    bodyParams["Os"] = input.Os;
-  }
-  if (input.RootDeviceType !== undefined) {
-    bodyParams["RootDeviceType"] = input.RootDeviceType;
-  }
-  if (input.SshKeyName !== undefined) {
-    bodyParams["SshKeyName"] = input.SshKeyName;
-  }
-  if (input.StackId !== undefined) {
-    bodyParams["StackId"] = input.StackId;
-  }
-  if (input.SubnetId !== undefined) {
-    bodyParams["SubnetId"] = input.SubnetId;
-  }
-  if (input.Tenancy !== undefined) {
-    bodyParams["Tenancy"] = input.Tenancy;
-  }
-  if (input.VirtualizationType !== undefined) {
-    bodyParams["VirtualizationType"] = input.VirtualizationType;
-  }
-  return bodyParams;
+  return {
+    ...(input.AgentVersion !== undefined && {
+      AgentVersion: input.AgentVersion
+    }),
+    ...(input.AmiId !== undefined && { AmiId: input.AmiId }),
+    ...(input.Architecture !== undefined && {
+      Architecture: input.Architecture
+    }),
+    ...(input.AutoScalingType !== undefined && {
+      AutoScalingType: input.AutoScalingType
+    }),
+    ...(input.AvailabilityZone !== undefined && {
+      AvailabilityZone: input.AvailabilityZone
+    }),
+    ...(input.BlockDeviceMappings !== undefined && {
+      BlockDeviceMappings: serializeAws_json1_1BlockDeviceMappings(
+        input.BlockDeviceMappings,
+        context
+      )
+    }),
+    ...(input.EbsOptimized !== undefined && {
+      EbsOptimized: input.EbsOptimized
+    }),
+    ...(input.Hostname !== undefined && { Hostname: input.Hostname }),
+    ...(input.InstallUpdatesOnBoot !== undefined && {
+      InstallUpdatesOnBoot: input.InstallUpdatesOnBoot
+    }),
+    ...(input.InstanceType !== undefined && {
+      InstanceType: input.InstanceType
+    }),
+    ...(input.LayerIds !== undefined && {
+      LayerIds: serializeAws_json1_1Strings(input.LayerIds, context)
+    }),
+    ...(input.Os !== undefined && { Os: input.Os }),
+    ...(input.RootDeviceType !== undefined && {
+      RootDeviceType: input.RootDeviceType
+    }),
+    ...(input.SshKeyName !== undefined && { SshKeyName: input.SshKeyName }),
+    ...(input.StackId !== undefined && { StackId: input.StackId }),
+    ...(input.SubnetId !== undefined && { SubnetId: input.SubnetId }),
+    ...(input.Tenancy !== undefined && { Tenancy: input.Tenancy }),
+    ...(input.VirtualizationType !== undefined && {
+      VirtualizationType: input.VirtualizationType
+    })
+  };
 };
 
 const serializeAws_json1_1CreateLayerRequest = (
   input: CreateLayerRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Attributes !== undefined) {
-    bodyParams["Attributes"] = serializeAws_json1_1LayerAttributes(
-      input.Attributes,
-      context
-    );
-  }
-  if (input.AutoAssignElasticIps !== undefined) {
-    bodyParams["AutoAssignElasticIps"] = input.AutoAssignElasticIps;
-  }
-  if (input.AutoAssignPublicIps !== undefined) {
-    bodyParams["AutoAssignPublicIps"] = input.AutoAssignPublicIps;
-  }
-  if (input.CloudWatchLogsConfiguration !== undefined) {
-    bodyParams[
-      "CloudWatchLogsConfiguration"
-    ] = serializeAws_json1_1CloudWatchLogsConfiguration(
-      input.CloudWatchLogsConfiguration,
-      context
-    );
-  }
-  if (input.CustomInstanceProfileArn !== undefined) {
-    bodyParams["CustomInstanceProfileArn"] = input.CustomInstanceProfileArn;
-  }
-  if (input.CustomJson !== undefined) {
-    bodyParams["CustomJson"] = input.CustomJson;
-  }
-  if (input.CustomRecipes !== undefined) {
-    bodyParams["CustomRecipes"] = serializeAws_json1_1Recipes(
-      input.CustomRecipes,
-      context
-    );
-  }
-  if (input.CustomSecurityGroupIds !== undefined) {
-    bodyParams["CustomSecurityGroupIds"] = serializeAws_json1_1Strings(
-      input.CustomSecurityGroupIds,
-      context
-    );
-  }
-  if (input.EnableAutoHealing !== undefined) {
-    bodyParams["EnableAutoHealing"] = input.EnableAutoHealing;
-  }
-  if (input.InstallUpdatesOnBoot !== undefined) {
-    bodyParams["InstallUpdatesOnBoot"] = input.InstallUpdatesOnBoot;
-  }
-  if (input.LifecycleEventConfiguration !== undefined) {
-    bodyParams[
-      "LifecycleEventConfiguration"
-    ] = serializeAws_json1_1LifecycleEventConfiguration(
-      input.LifecycleEventConfiguration,
-      context
-    );
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.Packages !== undefined) {
-    bodyParams["Packages"] = serializeAws_json1_1Strings(
-      input.Packages,
-      context
-    );
-  }
-  if (input.Shortname !== undefined) {
-    bodyParams["Shortname"] = input.Shortname;
-  }
-  if (input.StackId !== undefined) {
-    bodyParams["StackId"] = input.StackId;
-  }
-  if (input.Type !== undefined) {
-    bodyParams["Type"] = input.Type;
-  }
-  if (input.UseEbsOptimizedInstances !== undefined) {
-    bodyParams["UseEbsOptimizedInstances"] = input.UseEbsOptimizedInstances;
-  }
-  if (input.VolumeConfigurations !== undefined) {
-    bodyParams[
-      "VolumeConfigurations"
-    ] = serializeAws_json1_1VolumeConfigurations(
-      input.VolumeConfigurations,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Attributes !== undefined && {
+      Attributes: serializeAws_json1_1LayerAttributes(input.Attributes, context)
+    }),
+    ...(input.AutoAssignElasticIps !== undefined && {
+      AutoAssignElasticIps: input.AutoAssignElasticIps
+    }),
+    ...(input.AutoAssignPublicIps !== undefined && {
+      AutoAssignPublicIps: input.AutoAssignPublicIps
+    }),
+    ...(input.CloudWatchLogsConfiguration !== undefined && {
+      CloudWatchLogsConfiguration: serializeAws_json1_1CloudWatchLogsConfiguration(
+        input.CloudWatchLogsConfiguration,
+        context
+      )
+    }),
+    ...(input.CustomInstanceProfileArn !== undefined && {
+      CustomInstanceProfileArn: input.CustomInstanceProfileArn
+    }),
+    ...(input.CustomJson !== undefined && { CustomJson: input.CustomJson }),
+    ...(input.CustomRecipes !== undefined && {
+      CustomRecipes: serializeAws_json1_1Recipes(input.CustomRecipes, context)
+    }),
+    ...(input.CustomSecurityGroupIds !== undefined && {
+      CustomSecurityGroupIds: serializeAws_json1_1Strings(
+        input.CustomSecurityGroupIds,
+        context
+      )
+    }),
+    ...(input.EnableAutoHealing !== undefined && {
+      EnableAutoHealing: input.EnableAutoHealing
+    }),
+    ...(input.InstallUpdatesOnBoot !== undefined && {
+      InstallUpdatesOnBoot: input.InstallUpdatesOnBoot
+    }),
+    ...(input.LifecycleEventConfiguration !== undefined && {
+      LifecycleEventConfiguration: serializeAws_json1_1LifecycleEventConfiguration(
+        input.LifecycleEventConfiguration,
+        context
+      )
+    }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.Packages !== undefined && {
+      Packages: serializeAws_json1_1Strings(input.Packages, context)
+    }),
+    ...(input.Shortname !== undefined && { Shortname: input.Shortname }),
+    ...(input.StackId !== undefined && { StackId: input.StackId }),
+    ...(input.Type !== undefined && { Type: input.Type }),
+    ...(input.UseEbsOptimizedInstances !== undefined && {
+      UseEbsOptimizedInstances: input.UseEbsOptimizedInstances
+    }),
+    ...(input.VolumeConfigurations !== undefined && {
+      VolumeConfigurations: serializeAws_json1_1VolumeConfigurations(
+        input.VolumeConfigurations,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1CreateStackRequest = (
   input: CreateStackRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AgentVersion !== undefined) {
-    bodyParams["AgentVersion"] = input.AgentVersion;
-  }
-  if (input.Attributes !== undefined) {
-    bodyParams["Attributes"] = serializeAws_json1_1StackAttributes(
-      input.Attributes,
-      context
-    );
-  }
-  if (input.ChefConfiguration !== undefined) {
-    bodyParams["ChefConfiguration"] = serializeAws_json1_1ChefConfiguration(
-      input.ChefConfiguration,
-      context
-    );
-  }
-  if (input.ConfigurationManager !== undefined) {
-    bodyParams[
-      "ConfigurationManager"
-    ] = serializeAws_json1_1StackConfigurationManager(
-      input.ConfigurationManager,
-      context
-    );
-  }
-  if (input.CustomCookbooksSource !== undefined) {
-    bodyParams["CustomCookbooksSource"] = serializeAws_json1_1Source(
-      input.CustomCookbooksSource,
-      context
-    );
-  }
-  if (input.CustomJson !== undefined) {
-    bodyParams["CustomJson"] = input.CustomJson;
-  }
-  if (input.DefaultAvailabilityZone !== undefined) {
-    bodyParams["DefaultAvailabilityZone"] = input.DefaultAvailabilityZone;
-  }
-  if (input.DefaultInstanceProfileArn !== undefined) {
-    bodyParams["DefaultInstanceProfileArn"] = input.DefaultInstanceProfileArn;
-  }
-  if (input.DefaultOs !== undefined) {
-    bodyParams["DefaultOs"] = input.DefaultOs;
-  }
-  if (input.DefaultRootDeviceType !== undefined) {
-    bodyParams["DefaultRootDeviceType"] = input.DefaultRootDeviceType;
-  }
-  if (input.DefaultSshKeyName !== undefined) {
-    bodyParams["DefaultSshKeyName"] = input.DefaultSshKeyName;
-  }
-  if (input.DefaultSubnetId !== undefined) {
-    bodyParams["DefaultSubnetId"] = input.DefaultSubnetId;
-  }
-  if (input.HostnameTheme !== undefined) {
-    bodyParams["HostnameTheme"] = input.HostnameTheme;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.Region !== undefined) {
-    bodyParams["Region"] = input.Region;
-  }
-  if (input.ServiceRoleArn !== undefined) {
-    bodyParams["ServiceRoleArn"] = input.ServiceRoleArn;
-  }
-  if (input.UseCustomCookbooks !== undefined) {
-    bodyParams["UseCustomCookbooks"] = input.UseCustomCookbooks;
-  }
-  if (input.UseOpsworksSecurityGroups !== undefined) {
-    bodyParams["UseOpsworksSecurityGroups"] = input.UseOpsworksSecurityGroups;
-  }
-  if (input.VpcId !== undefined) {
-    bodyParams["VpcId"] = input.VpcId;
-  }
-  return bodyParams;
+  return {
+    ...(input.AgentVersion !== undefined && {
+      AgentVersion: input.AgentVersion
+    }),
+    ...(input.Attributes !== undefined && {
+      Attributes: serializeAws_json1_1StackAttributes(input.Attributes, context)
+    }),
+    ...(input.ChefConfiguration !== undefined && {
+      ChefConfiguration: serializeAws_json1_1ChefConfiguration(
+        input.ChefConfiguration,
+        context
+      )
+    }),
+    ...(input.ConfigurationManager !== undefined && {
+      ConfigurationManager: serializeAws_json1_1StackConfigurationManager(
+        input.ConfigurationManager,
+        context
+      )
+    }),
+    ...(input.CustomCookbooksSource !== undefined && {
+      CustomCookbooksSource: serializeAws_json1_1Source(
+        input.CustomCookbooksSource,
+        context
+      )
+    }),
+    ...(input.CustomJson !== undefined && { CustomJson: input.CustomJson }),
+    ...(input.DefaultAvailabilityZone !== undefined && {
+      DefaultAvailabilityZone: input.DefaultAvailabilityZone
+    }),
+    ...(input.DefaultInstanceProfileArn !== undefined && {
+      DefaultInstanceProfileArn: input.DefaultInstanceProfileArn
+    }),
+    ...(input.DefaultOs !== undefined && { DefaultOs: input.DefaultOs }),
+    ...(input.DefaultRootDeviceType !== undefined && {
+      DefaultRootDeviceType: input.DefaultRootDeviceType
+    }),
+    ...(input.DefaultSshKeyName !== undefined && {
+      DefaultSshKeyName: input.DefaultSshKeyName
+    }),
+    ...(input.DefaultSubnetId !== undefined && {
+      DefaultSubnetId: input.DefaultSubnetId
+    }),
+    ...(input.HostnameTheme !== undefined && {
+      HostnameTheme: input.HostnameTheme
+    }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.Region !== undefined && { Region: input.Region }),
+    ...(input.ServiceRoleArn !== undefined && {
+      ServiceRoleArn: input.ServiceRoleArn
+    }),
+    ...(input.UseCustomCookbooks !== undefined && {
+      UseCustomCookbooks: input.UseCustomCookbooks
+    }),
+    ...(input.UseOpsworksSecurityGroups !== undefined && {
+      UseOpsworksSecurityGroups: input.UseOpsworksSecurityGroups
+    }),
+    ...(input.VpcId !== undefined && { VpcId: input.VpcId })
+  };
 };
 
 const serializeAws_json1_1CreateUserProfileRequest = (
   input: CreateUserProfileRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AllowSelfManagement !== undefined) {
-    bodyParams["AllowSelfManagement"] = input.AllowSelfManagement;
-  }
-  if (input.IamUserArn !== undefined) {
-    bodyParams["IamUserArn"] = input.IamUserArn;
-  }
-  if (input.SshPublicKey !== undefined) {
-    bodyParams["SshPublicKey"] = input.SshPublicKey;
-  }
-  if (input.SshUsername !== undefined) {
-    bodyParams["SshUsername"] = input.SshUsername;
-  }
-  return bodyParams;
+  return {
+    ...(input.AllowSelfManagement !== undefined && {
+      AllowSelfManagement: input.AllowSelfManagement
+    }),
+    ...(input.IamUserArn !== undefined && { IamUserArn: input.IamUserArn }),
+    ...(input.SshPublicKey !== undefined && {
+      SshPublicKey: input.SshPublicKey
+    }),
+    ...(input.SshUsername !== undefined && { SshUsername: input.SshUsername })
+  };
 };
 
 const serializeAws_json1_1DailyAutoScalingSchedule = (
@@ -7361,17 +7211,13 @@ const serializeAws_json1_1DataSource = (
   input: DataSource,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Arn !== undefined) {
-    bodyParams["Arn"] = input.Arn;
-  }
-  if (input.DatabaseName !== undefined) {
-    bodyParams["DatabaseName"] = input.DatabaseName;
-  }
-  if (input.Type !== undefined) {
-    bodyParams["Type"] = input.Type;
-  }
-  return bodyParams;
+  return {
+    ...(input.Arn !== undefined && { Arn: input.Arn }),
+    ...(input.DatabaseName !== undefined && {
+      DatabaseName: input.DatabaseName
+    }),
+    ...(input.Type !== undefined && { Type: input.Type })
+  };
 };
 
 const serializeAws_json1_1DataSources = (
@@ -7385,78 +7231,63 @@ const serializeAws_json1_1DeleteAppRequest = (
   input: DeleteAppRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AppId !== undefined) {
-    bodyParams["AppId"] = input.AppId;
-  }
-  return bodyParams;
+  return {
+    ...(input.AppId !== undefined && { AppId: input.AppId })
+  };
 };
 
 const serializeAws_json1_1DeleteInstanceRequest = (
   input: DeleteInstanceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DeleteElasticIp !== undefined) {
-    bodyParams["DeleteElasticIp"] = input.DeleteElasticIp;
-  }
-  if (input.DeleteVolumes !== undefined) {
-    bodyParams["DeleteVolumes"] = input.DeleteVolumes;
-  }
-  if (input.InstanceId !== undefined) {
-    bodyParams["InstanceId"] = input.InstanceId;
-  }
-  return bodyParams;
+  return {
+    ...(input.DeleteElasticIp !== undefined && {
+      DeleteElasticIp: input.DeleteElasticIp
+    }),
+    ...(input.DeleteVolumes !== undefined && {
+      DeleteVolumes: input.DeleteVolumes
+    }),
+    ...(input.InstanceId !== undefined && { InstanceId: input.InstanceId })
+  };
 };
 
 const serializeAws_json1_1DeleteLayerRequest = (
   input: DeleteLayerRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.LayerId !== undefined) {
-    bodyParams["LayerId"] = input.LayerId;
-  }
-  return bodyParams;
+  return {
+    ...(input.LayerId !== undefined && { LayerId: input.LayerId })
+  };
 };
 
 const serializeAws_json1_1DeleteStackRequest = (
   input: DeleteStackRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.StackId !== undefined) {
-    bodyParams["StackId"] = input.StackId;
-  }
-  return bodyParams;
+  return {
+    ...(input.StackId !== undefined && { StackId: input.StackId })
+  };
 };
 
 const serializeAws_json1_1DeleteUserProfileRequest = (
   input: DeleteUserProfileRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.IamUserArn !== undefined) {
-    bodyParams["IamUserArn"] = input.IamUserArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.IamUserArn !== undefined && { IamUserArn: input.IamUserArn })
+  };
 };
 
 const serializeAws_json1_1DeploymentCommand = (
   input: DeploymentCommand,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Args !== undefined) {
-    bodyParams["Args"] = serializeAws_json1_1DeploymentCommandArgs(
-      input.Args,
-      context
-    );
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.Args !== undefined && {
+      Args: serializeAws_json1_1DeploymentCommandArgs(input.Args, context)
+    }),
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1DeploymentCommandArgs = (
@@ -7473,459 +7304,345 @@ const serializeAws_json1_1DeregisterEcsClusterRequest = (
   input: DeregisterEcsClusterRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EcsClusterArn !== undefined) {
-    bodyParams["EcsClusterArn"] = input.EcsClusterArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.EcsClusterArn !== undefined && {
+      EcsClusterArn: input.EcsClusterArn
+    })
+  };
 };
 
 const serializeAws_json1_1DeregisterElasticIpRequest = (
   input: DeregisterElasticIpRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ElasticIp !== undefined) {
-    bodyParams["ElasticIp"] = input.ElasticIp;
-  }
-  return bodyParams;
+  return {
+    ...(input.ElasticIp !== undefined && { ElasticIp: input.ElasticIp })
+  };
 };
 
 const serializeAws_json1_1DeregisterInstanceRequest = (
   input: DeregisterInstanceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.InstanceId !== undefined) {
-    bodyParams["InstanceId"] = input.InstanceId;
-  }
-  return bodyParams;
+  return {
+    ...(input.InstanceId !== undefined && { InstanceId: input.InstanceId })
+  };
 };
 
 const serializeAws_json1_1DeregisterRdsDbInstanceRequest = (
   input: DeregisterRdsDbInstanceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.RdsDbInstanceArn !== undefined) {
-    bodyParams["RdsDbInstanceArn"] = input.RdsDbInstanceArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.RdsDbInstanceArn !== undefined && {
+      RdsDbInstanceArn: input.RdsDbInstanceArn
+    })
+  };
 };
 
 const serializeAws_json1_1DeregisterVolumeRequest = (
   input: DeregisterVolumeRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.VolumeId !== undefined) {
-    bodyParams["VolumeId"] = input.VolumeId;
-  }
-  return bodyParams;
+  return {
+    ...(input.VolumeId !== undefined && { VolumeId: input.VolumeId })
+  };
 };
 
 const serializeAws_json1_1DescribeAgentVersionsRequest = (
   input: DescribeAgentVersionsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ConfigurationManager !== undefined) {
-    bodyParams[
-      "ConfigurationManager"
-    ] = serializeAws_json1_1StackConfigurationManager(
-      input.ConfigurationManager,
-      context
-    );
-  }
-  if (input.StackId !== undefined) {
-    bodyParams["StackId"] = input.StackId;
-  }
-  return bodyParams;
+  return {
+    ...(input.ConfigurationManager !== undefined && {
+      ConfigurationManager: serializeAws_json1_1StackConfigurationManager(
+        input.ConfigurationManager,
+        context
+      )
+    }),
+    ...(input.StackId !== undefined && { StackId: input.StackId })
+  };
 };
 
 const serializeAws_json1_1DescribeAppsRequest = (
   input: DescribeAppsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AppIds !== undefined) {
-    bodyParams["AppIds"] = serializeAws_json1_1Strings(input.AppIds, context);
-  }
-  if (input.StackId !== undefined) {
-    bodyParams["StackId"] = input.StackId;
-  }
-  return bodyParams;
+  return {
+    ...(input.AppIds !== undefined && {
+      AppIds: serializeAws_json1_1Strings(input.AppIds, context)
+    }),
+    ...(input.StackId !== undefined && { StackId: input.StackId })
+  };
 };
 
 const serializeAws_json1_1DescribeCommandsRequest = (
   input: DescribeCommandsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CommandIds !== undefined) {
-    bodyParams["CommandIds"] = serializeAws_json1_1Strings(
-      input.CommandIds,
-      context
-    );
-  }
-  if (input.DeploymentId !== undefined) {
-    bodyParams["DeploymentId"] = input.DeploymentId;
-  }
-  if (input.InstanceId !== undefined) {
-    bodyParams["InstanceId"] = input.InstanceId;
-  }
-  return bodyParams;
+  return {
+    ...(input.CommandIds !== undefined && {
+      CommandIds: serializeAws_json1_1Strings(input.CommandIds, context)
+    }),
+    ...(input.DeploymentId !== undefined && {
+      DeploymentId: input.DeploymentId
+    }),
+    ...(input.InstanceId !== undefined && { InstanceId: input.InstanceId })
+  };
 };
 
 const serializeAws_json1_1DescribeDeploymentsRequest = (
   input: DescribeDeploymentsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AppId !== undefined) {
-    bodyParams["AppId"] = input.AppId;
-  }
-  if (input.DeploymentIds !== undefined) {
-    bodyParams["DeploymentIds"] = serializeAws_json1_1Strings(
-      input.DeploymentIds,
-      context
-    );
-  }
-  if (input.StackId !== undefined) {
-    bodyParams["StackId"] = input.StackId;
-  }
-  return bodyParams;
+  return {
+    ...(input.AppId !== undefined && { AppId: input.AppId }),
+    ...(input.DeploymentIds !== undefined && {
+      DeploymentIds: serializeAws_json1_1Strings(input.DeploymentIds, context)
+    }),
+    ...(input.StackId !== undefined && { StackId: input.StackId })
+  };
 };
 
 const serializeAws_json1_1DescribeEcsClustersRequest = (
   input: DescribeEcsClustersRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EcsClusterArns !== undefined) {
-    bodyParams["EcsClusterArns"] = serializeAws_json1_1Strings(
-      input.EcsClusterArns,
-      context
-    );
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.StackId !== undefined) {
-    bodyParams["StackId"] = input.StackId;
-  }
-  return bodyParams;
+  return {
+    ...(input.EcsClusterArns !== undefined && {
+      EcsClusterArns: serializeAws_json1_1Strings(input.EcsClusterArns, context)
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.StackId !== undefined && { StackId: input.StackId })
+  };
 };
 
 const serializeAws_json1_1DescribeElasticIpsRequest = (
   input: DescribeElasticIpsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.InstanceId !== undefined) {
-    bodyParams["InstanceId"] = input.InstanceId;
-  }
-  if (input.Ips !== undefined) {
-    bodyParams["Ips"] = serializeAws_json1_1Strings(input.Ips, context);
-  }
-  if (input.StackId !== undefined) {
-    bodyParams["StackId"] = input.StackId;
-  }
-  return bodyParams;
+  return {
+    ...(input.InstanceId !== undefined && { InstanceId: input.InstanceId }),
+    ...(input.Ips !== undefined && {
+      Ips: serializeAws_json1_1Strings(input.Ips, context)
+    }),
+    ...(input.StackId !== undefined && { StackId: input.StackId })
+  };
 };
 
 const serializeAws_json1_1DescribeElasticLoadBalancersRequest = (
   input: DescribeElasticLoadBalancersRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.LayerIds !== undefined) {
-    bodyParams["LayerIds"] = serializeAws_json1_1Strings(
-      input.LayerIds,
-      context
-    );
-  }
-  if (input.StackId !== undefined) {
-    bodyParams["StackId"] = input.StackId;
-  }
-  return bodyParams;
+  return {
+    ...(input.LayerIds !== undefined && {
+      LayerIds: serializeAws_json1_1Strings(input.LayerIds, context)
+    }),
+    ...(input.StackId !== undefined && { StackId: input.StackId })
+  };
 };
 
 const serializeAws_json1_1DescribeInstancesRequest = (
   input: DescribeInstancesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.InstanceIds !== undefined) {
-    bodyParams["InstanceIds"] = serializeAws_json1_1Strings(
-      input.InstanceIds,
-      context
-    );
-  }
-  if (input.LayerId !== undefined) {
-    bodyParams["LayerId"] = input.LayerId;
-  }
-  if (input.StackId !== undefined) {
-    bodyParams["StackId"] = input.StackId;
-  }
-  return bodyParams;
+  return {
+    ...(input.InstanceIds !== undefined && {
+      InstanceIds: serializeAws_json1_1Strings(input.InstanceIds, context)
+    }),
+    ...(input.LayerId !== undefined && { LayerId: input.LayerId }),
+    ...(input.StackId !== undefined && { StackId: input.StackId })
+  };
 };
 
 const serializeAws_json1_1DescribeLayersRequest = (
   input: DescribeLayersRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.LayerIds !== undefined) {
-    bodyParams["LayerIds"] = serializeAws_json1_1Strings(
-      input.LayerIds,
-      context
-    );
-  }
-  if (input.StackId !== undefined) {
-    bodyParams["StackId"] = input.StackId;
-  }
-  return bodyParams;
+  return {
+    ...(input.LayerIds !== undefined && {
+      LayerIds: serializeAws_json1_1Strings(input.LayerIds, context)
+    }),
+    ...(input.StackId !== undefined && { StackId: input.StackId })
+  };
 };
 
 const serializeAws_json1_1DescribeLoadBasedAutoScalingRequest = (
   input: DescribeLoadBasedAutoScalingRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.LayerIds !== undefined) {
-    bodyParams["LayerIds"] = serializeAws_json1_1Strings(
-      input.LayerIds,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.LayerIds !== undefined && {
+      LayerIds: serializeAws_json1_1Strings(input.LayerIds, context)
+    })
+  };
 };
 
 const serializeAws_json1_1DescribePermissionsRequest = (
   input: DescribePermissionsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.IamUserArn !== undefined) {
-    bodyParams["IamUserArn"] = input.IamUserArn;
-  }
-  if (input.StackId !== undefined) {
-    bodyParams["StackId"] = input.StackId;
-  }
-  return bodyParams;
+  return {
+    ...(input.IamUserArn !== undefined && { IamUserArn: input.IamUserArn }),
+    ...(input.StackId !== undefined && { StackId: input.StackId })
+  };
 };
 
 const serializeAws_json1_1DescribeRaidArraysRequest = (
   input: DescribeRaidArraysRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.InstanceId !== undefined) {
-    bodyParams["InstanceId"] = input.InstanceId;
-  }
-  if (input.RaidArrayIds !== undefined) {
-    bodyParams["RaidArrayIds"] = serializeAws_json1_1Strings(
-      input.RaidArrayIds,
-      context
-    );
-  }
-  if (input.StackId !== undefined) {
-    bodyParams["StackId"] = input.StackId;
-  }
-  return bodyParams;
+  return {
+    ...(input.InstanceId !== undefined && { InstanceId: input.InstanceId }),
+    ...(input.RaidArrayIds !== undefined && {
+      RaidArrayIds: serializeAws_json1_1Strings(input.RaidArrayIds, context)
+    }),
+    ...(input.StackId !== undefined && { StackId: input.StackId })
+  };
 };
 
 const serializeAws_json1_1DescribeRdsDbInstancesRequest = (
   input: DescribeRdsDbInstancesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.RdsDbInstanceArns !== undefined) {
-    bodyParams["RdsDbInstanceArns"] = serializeAws_json1_1Strings(
-      input.RdsDbInstanceArns,
-      context
-    );
-  }
-  if (input.StackId !== undefined) {
-    bodyParams["StackId"] = input.StackId;
-  }
-  return bodyParams;
+  return {
+    ...(input.RdsDbInstanceArns !== undefined && {
+      RdsDbInstanceArns: serializeAws_json1_1Strings(
+        input.RdsDbInstanceArns,
+        context
+      )
+    }),
+    ...(input.StackId !== undefined && { StackId: input.StackId })
+  };
 };
 
 const serializeAws_json1_1DescribeServiceErrorsRequest = (
   input: DescribeServiceErrorsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.InstanceId !== undefined) {
-    bodyParams["InstanceId"] = input.InstanceId;
-  }
-  if (input.ServiceErrorIds !== undefined) {
-    bodyParams["ServiceErrorIds"] = serializeAws_json1_1Strings(
-      input.ServiceErrorIds,
-      context
-    );
-  }
-  if (input.StackId !== undefined) {
-    bodyParams["StackId"] = input.StackId;
-  }
-  return bodyParams;
+  return {
+    ...(input.InstanceId !== undefined && { InstanceId: input.InstanceId }),
+    ...(input.ServiceErrorIds !== undefined && {
+      ServiceErrorIds: serializeAws_json1_1Strings(
+        input.ServiceErrorIds,
+        context
+      )
+    }),
+    ...(input.StackId !== undefined && { StackId: input.StackId })
+  };
 };
 
 const serializeAws_json1_1DescribeStackProvisioningParametersRequest = (
   input: DescribeStackProvisioningParametersRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.StackId !== undefined) {
-    bodyParams["StackId"] = input.StackId;
-  }
-  return bodyParams;
+  return {
+    ...(input.StackId !== undefined && { StackId: input.StackId })
+  };
 };
 
 const serializeAws_json1_1DescribeStackSummaryRequest = (
   input: DescribeStackSummaryRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.StackId !== undefined) {
-    bodyParams["StackId"] = input.StackId;
-  }
-  return bodyParams;
+  return {
+    ...(input.StackId !== undefined && { StackId: input.StackId })
+  };
 };
 
 const serializeAws_json1_1DescribeStacksRequest = (
   input: DescribeStacksRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.StackIds !== undefined) {
-    bodyParams["StackIds"] = serializeAws_json1_1Strings(
-      input.StackIds,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.StackIds !== undefined && {
+      StackIds: serializeAws_json1_1Strings(input.StackIds, context)
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeTimeBasedAutoScalingRequest = (
   input: DescribeTimeBasedAutoScalingRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.InstanceIds !== undefined) {
-    bodyParams["InstanceIds"] = serializeAws_json1_1Strings(
-      input.InstanceIds,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.InstanceIds !== undefined && {
+      InstanceIds: serializeAws_json1_1Strings(input.InstanceIds, context)
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeUserProfilesRequest = (
   input: DescribeUserProfilesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.IamUserArns !== undefined) {
-    bodyParams["IamUserArns"] = serializeAws_json1_1Strings(
-      input.IamUserArns,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.IamUserArns !== undefined && {
+      IamUserArns: serializeAws_json1_1Strings(input.IamUserArns, context)
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeVolumesRequest = (
   input: DescribeVolumesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.InstanceId !== undefined) {
-    bodyParams["InstanceId"] = input.InstanceId;
-  }
-  if (input.RaidArrayId !== undefined) {
-    bodyParams["RaidArrayId"] = input.RaidArrayId;
-  }
-  if (input.StackId !== undefined) {
-    bodyParams["StackId"] = input.StackId;
-  }
-  if (input.VolumeIds !== undefined) {
-    bodyParams["VolumeIds"] = serializeAws_json1_1Strings(
-      input.VolumeIds,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.InstanceId !== undefined && { InstanceId: input.InstanceId }),
+    ...(input.RaidArrayId !== undefined && { RaidArrayId: input.RaidArrayId }),
+    ...(input.StackId !== undefined && { StackId: input.StackId }),
+    ...(input.VolumeIds !== undefined && {
+      VolumeIds: serializeAws_json1_1Strings(input.VolumeIds, context)
+    })
+  };
 };
 
 const serializeAws_json1_1DetachElasticLoadBalancerRequest = (
   input: DetachElasticLoadBalancerRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ElasticLoadBalancerName !== undefined) {
-    bodyParams["ElasticLoadBalancerName"] = input.ElasticLoadBalancerName;
-  }
-  if (input.LayerId !== undefined) {
-    bodyParams["LayerId"] = input.LayerId;
-  }
-  return bodyParams;
+  return {
+    ...(input.ElasticLoadBalancerName !== undefined && {
+      ElasticLoadBalancerName: input.ElasticLoadBalancerName
+    }),
+    ...(input.LayerId !== undefined && { LayerId: input.LayerId })
+  };
 };
 
 const serializeAws_json1_1DisassociateElasticIpRequest = (
   input: DisassociateElasticIpRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ElasticIp !== undefined) {
-    bodyParams["ElasticIp"] = input.ElasticIp;
-  }
-  return bodyParams;
+  return {
+    ...(input.ElasticIp !== undefined && { ElasticIp: input.ElasticIp })
+  };
 };
 
 const serializeAws_json1_1EbsBlockDevice = (
   input: EbsBlockDevice,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DeleteOnTermination !== undefined) {
-    bodyParams["DeleteOnTermination"] = input.DeleteOnTermination;
-  }
-  if (input.Iops !== undefined) {
-    bodyParams["Iops"] = input.Iops;
-  }
-  if (input.SnapshotId !== undefined) {
-    bodyParams["SnapshotId"] = input.SnapshotId;
-  }
-  if (input.VolumeSize !== undefined) {
-    bodyParams["VolumeSize"] = input.VolumeSize;
-  }
-  if (input.VolumeType !== undefined) {
-    bodyParams["VolumeType"] = input.VolumeType;
-  }
-  return bodyParams;
+  return {
+    ...(input.DeleteOnTermination !== undefined && {
+      DeleteOnTermination: input.DeleteOnTermination
+    }),
+    ...(input.Iops !== undefined && { Iops: input.Iops }),
+    ...(input.SnapshotId !== undefined && { SnapshotId: input.SnapshotId }),
+    ...(input.VolumeSize !== undefined && { VolumeSize: input.VolumeSize }),
+    ...(input.VolumeType !== undefined && { VolumeType: input.VolumeType })
+  };
 };
 
 const serializeAws_json1_1EnvironmentVariable = (
   input: EnvironmentVariable,
   context: __SerdeContext
-): any => {
-  const bodyParams: any = {};
-  if (input.Key !== undefined) {
-    bodyParams["Key"] = input.Key;
-  }
-  if (input.Secure !== undefined) {
-    bodyParams["Secure"] = input.Secure;
-  }
-  if (input.Value !== undefined) {
-    bodyParams["Value"] = input.Value;
-  }
-  return bodyParams;
+): any => {
+  return {
+    ...(input.Key !== undefined && { Key: input.Key }),
+    ...(input.Secure !== undefined && { Secure: input.Secure }),
+    ...(input.Value !== undefined && { Value: input.Value })
+  };
 };
 
 const serializeAws_json1_1EnvironmentVariables = (
@@ -7941,39 +7658,31 @@ const serializeAws_json1_1GetHostnameSuggestionRequest = (
   input: GetHostnameSuggestionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.LayerId !== undefined) {
-    bodyParams["LayerId"] = input.LayerId;
-  }
-  return bodyParams;
+  return {
+    ...(input.LayerId !== undefined && { LayerId: input.LayerId })
+  };
 };
 
 const serializeAws_json1_1GrantAccessRequest = (
   input: GrantAccessRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.InstanceId !== undefined) {
-    bodyParams["InstanceId"] = input.InstanceId;
-  }
-  if (input.ValidForInMinutes !== undefined) {
-    bodyParams["ValidForInMinutes"] = input.ValidForInMinutes;
-  }
-  return bodyParams;
+  return {
+    ...(input.InstanceId !== undefined && { InstanceId: input.InstanceId }),
+    ...(input.ValidForInMinutes !== undefined && {
+      ValidForInMinutes: input.ValidForInMinutes
+    })
+  };
 };
 
 const serializeAws_json1_1InstanceIdentity = (
   input: InstanceIdentity,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Document !== undefined) {
-    bodyParams["Document"] = input.Document;
-  }
-  if (input.Signature !== undefined) {
-    bodyParams["Signature"] = input.Signature;
-  }
-  return bodyParams;
+  return {
+    ...(input.Document !== undefined && { Document: input.Document }),
+    ...(input.Signature !== undefined && { Signature: input.Signature })
+  };
 };
 
 const serializeAws_json1_1LayerAttributes = (
@@ -7990,294 +7699,216 @@ const serializeAws_json1_1LifecycleEventConfiguration = (
   input: LifecycleEventConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Shutdown !== undefined) {
-    bodyParams["Shutdown"] = serializeAws_json1_1ShutdownEventConfiguration(
-      input.Shutdown,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Shutdown !== undefined && {
+      Shutdown: serializeAws_json1_1ShutdownEventConfiguration(
+        input.Shutdown,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1ListTagsRequest = (
   input: ListTagsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.ResourceArn !== undefined) {
-    bodyParams["ResourceArn"] = input.ResourceArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.ResourceArn !== undefined && { ResourceArn: input.ResourceArn })
+  };
 };
 
 const serializeAws_json1_1RebootInstanceRequest = (
   input: RebootInstanceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.InstanceId !== undefined) {
-    bodyParams["InstanceId"] = input.InstanceId;
-  }
-  return bodyParams;
+  return {
+    ...(input.InstanceId !== undefined && { InstanceId: input.InstanceId })
+  };
 };
 
 const serializeAws_json1_1Recipes = (
   input: Recipes,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Configure !== undefined) {
-    bodyParams["Configure"] = serializeAws_json1_1Strings(
-      input.Configure,
-      context
-    );
-  }
-  if (input.Deploy !== undefined) {
-    bodyParams["Deploy"] = serializeAws_json1_1Strings(input.Deploy, context);
-  }
-  if (input.Setup !== undefined) {
-    bodyParams["Setup"] = serializeAws_json1_1Strings(input.Setup, context);
-  }
-  if (input.Shutdown !== undefined) {
-    bodyParams["Shutdown"] = serializeAws_json1_1Strings(
-      input.Shutdown,
-      context
-    );
-  }
-  if (input.Undeploy !== undefined) {
-    bodyParams["Undeploy"] = serializeAws_json1_1Strings(
-      input.Undeploy,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Configure !== undefined && {
+      Configure: serializeAws_json1_1Strings(input.Configure, context)
+    }),
+    ...(input.Deploy !== undefined && {
+      Deploy: serializeAws_json1_1Strings(input.Deploy, context)
+    }),
+    ...(input.Setup !== undefined && {
+      Setup: serializeAws_json1_1Strings(input.Setup, context)
+    }),
+    ...(input.Shutdown !== undefined && {
+      Shutdown: serializeAws_json1_1Strings(input.Shutdown, context)
+    }),
+    ...(input.Undeploy !== undefined && {
+      Undeploy: serializeAws_json1_1Strings(input.Undeploy, context)
+    })
+  };
 };
 
 const serializeAws_json1_1RegisterEcsClusterRequest = (
   input: RegisterEcsClusterRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EcsClusterArn !== undefined) {
-    bodyParams["EcsClusterArn"] = input.EcsClusterArn;
-  }
-  if (input.StackId !== undefined) {
-    bodyParams["StackId"] = input.StackId;
-  }
-  return bodyParams;
+  return {
+    ...(input.EcsClusterArn !== undefined && {
+      EcsClusterArn: input.EcsClusterArn
+    }),
+    ...(input.StackId !== undefined && { StackId: input.StackId })
+  };
 };
 
 const serializeAws_json1_1RegisterElasticIpRequest = (
   input: RegisterElasticIpRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ElasticIp !== undefined) {
-    bodyParams["ElasticIp"] = input.ElasticIp;
-  }
-  if (input.StackId !== undefined) {
-    bodyParams["StackId"] = input.StackId;
-  }
-  return bodyParams;
+  return {
+    ...(input.ElasticIp !== undefined && { ElasticIp: input.ElasticIp }),
+    ...(input.StackId !== undefined && { StackId: input.StackId })
+  };
 };
 
 const serializeAws_json1_1RegisterInstanceRequest = (
   input: RegisterInstanceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Hostname !== undefined) {
-    bodyParams["Hostname"] = input.Hostname;
-  }
-  if (input.InstanceIdentity !== undefined) {
-    bodyParams["InstanceIdentity"] = serializeAws_json1_1InstanceIdentity(
-      input.InstanceIdentity,
-      context
-    );
-  }
-  if (input.PrivateIp !== undefined) {
-    bodyParams["PrivateIp"] = input.PrivateIp;
-  }
-  if (input.PublicIp !== undefined) {
-    bodyParams["PublicIp"] = input.PublicIp;
-  }
-  if (input.RsaPublicKey !== undefined) {
-    bodyParams["RsaPublicKey"] = input.RsaPublicKey;
-  }
-  if (input.RsaPublicKeyFingerprint !== undefined) {
-    bodyParams["RsaPublicKeyFingerprint"] = input.RsaPublicKeyFingerprint;
-  }
-  if (input.StackId !== undefined) {
-    bodyParams["StackId"] = input.StackId;
-  }
-  return bodyParams;
+  return {
+    ...(input.Hostname !== undefined && { Hostname: input.Hostname }),
+    ...(input.InstanceIdentity !== undefined && {
+      InstanceIdentity: serializeAws_json1_1InstanceIdentity(
+        input.InstanceIdentity,
+        context
+      )
+    }),
+    ...(input.PrivateIp !== undefined && { PrivateIp: input.PrivateIp }),
+    ...(input.PublicIp !== undefined && { PublicIp: input.PublicIp }),
+    ...(input.RsaPublicKey !== undefined && {
+      RsaPublicKey: input.RsaPublicKey
+    }),
+    ...(input.RsaPublicKeyFingerprint !== undefined && {
+      RsaPublicKeyFingerprint: input.RsaPublicKeyFingerprint
+    }),
+    ...(input.StackId !== undefined && { StackId: input.StackId })
+  };
 };
 
 const serializeAws_json1_1RegisterRdsDbInstanceRequest = (
   input: RegisterRdsDbInstanceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DbPassword !== undefined) {
-    bodyParams["DbPassword"] = input.DbPassword;
-  }
-  if (input.DbUser !== undefined) {
-    bodyParams["DbUser"] = input.DbUser;
-  }
-  if (input.RdsDbInstanceArn !== undefined) {
-    bodyParams["RdsDbInstanceArn"] = input.RdsDbInstanceArn;
-  }
-  if (input.StackId !== undefined) {
-    bodyParams["StackId"] = input.StackId;
-  }
-  return bodyParams;
+  return {
+    ...(input.DbPassword !== undefined && { DbPassword: input.DbPassword }),
+    ...(input.DbUser !== undefined && { DbUser: input.DbUser }),
+    ...(input.RdsDbInstanceArn !== undefined && {
+      RdsDbInstanceArn: input.RdsDbInstanceArn
+    }),
+    ...(input.StackId !== undefined && { StackId: input.StackId })
+  };
 };
 
 const serializeAws_json1_1RegisterVolumeRequest = (
   input: RegisterVolumeRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Ec2VolumeId !== undefined) {
-    bodyParams["Ec2VolumeId"] = input.Ec2VolumeId;
-  }
-  if (input.StackId !== undefined) {
-    bodyParams["StackId"] = input.StackId;
-  }
-  return bodyParams;
+  return {
+    ...(input.Ec2VolumeId !== undefined && { Ec2VolumeId: input.Ec2VolumeId }),
+    ...(input.StackId !== undefined && { StackId: input.StackId })
+  };
 };
 
 const serializeAws_json1_1SetLoadBasedAutoScalingRequest = (
   input: SetLoadBasedAutoScalingRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DownScaling !== undefined) {
-    bodyParams["DownScaling"] = serializeAws_json1_1AutoScalingThresholds(
-      input.DownScaling,
-      context
-    );
-  }
-  if (input.Enable !== undefined) {
-    bodyParams["Enable"] = input.Enable;
-  }
-  if (input.LayerId !== undefined) {
-    bodyParams["LayerId"] = input.LayerId;
-  }
-  if (input.UpScaling !== undefined) {
-    bodyParams["UpScaling"] = serializeAws_json1_1AutoScalingThresholds(
-      input.UpScaling,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.DownScaling !== undefined && {
+      DownScaling: serializeAws_json1_1AutoScalingThresholds(
+        input.DownScaling,
+        context
+      )
+    }),
+    ...(input.Enable !== undefined && { Enable: input.Enable }),
+    ...(input.LayerId !== undefined && { LayerId: input.LayerId }),
+    ...(input.UpScaling !== undefined && {
+      UpScaling: serializeAws_json1_1AutoScalingThresholds(
+        input.UpScaling,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1SetPermissionRequest = (
   input: SetPermissionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AllowSsh !== undefined) {
-    bodyParams["AllowSsh"] = input.AllowSsh;
-  }
-  if (input.AllowSudo !== undefined) {
-    bodyParams["AllowSudo"] = input.AllowSudo;
-  }
-  if (input.IamUserArn !== undefined) {
-    bodyParams["IamUserArn"] = input.IamUserArn;
-  }
-  if (input.Level !== undefined) {
-    bodyParams["Level"] = input.Level;
-  }
-  if (input.StackId !== undefined) {
-    bodyParams["StackId"] = input.StackId;
-  }
-  return bodyParams;
+  return {
+    ...(input.AllowSsh !== undefined && { AllowSsh: input.AllowSsh }),
+    ...(input.AllowSudo !== undefined && { AllowSudo: input.AllowSudo }),
+    ...(input.IamUserArn !== undefined && { IamUserArn: input.IamUserArn }),
+    ...(input.Level !== undefined && { Level: input.Level }),
+    ...(input.StackId !== undefined && { StackId: input.StackId })
+  };
 };
 
 const serializeAws_json1_1SetTimeBasedAutoScalingRequest = (
   input: SetTimeBasedAutoScalingRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AutoScalingSchedule !== undefined) {
-    bodyParams[
-      "AutoScalingSchedule"
-    ] = serializeAws_json1_1WeeklyAutoScalingSchedule(
-      input.AutoScalingSchedule,
-      context
-    );
-  }
-  if (input.InstanceId !== undefined) {
-    bodyParams["InstanceId"] = input.InstanceId;
-  }
-  return bodyParams;
+  return {
+    ...(input.AutoScalingSchedule !== undefined && {
+      AutoScalingSchedule: serializeAws_json1_1WeeklyAutoScalingSchedule(
+        input.AutoScalingSchedule,
+        context
+      )
+    }),
+    ...(input.InstanceId !== undefined && { InstanceId: input.InstanceId })
+  };
 };
 
 const serializeAws_json1_1ShutdownEventConfiguration = (
   input: ShutdownEventConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DelayUntilElbConnectionsDrained !== undefined) {
-    bodyParams["DelayUntilElbConnectionsDrained"] =
-      input.DelayUntilElbConnectionsDrained;
-  }
-  if (input.ExecutionTimeout !== undefined) {
-    bodyParams["ExecutionTimeout"] = input.ExecutionTimeout;
-  }
-  return bodyParams;
+  return {
+    ...(input.DelayUntilElbConnectionsDrained !== undefined && {
+      DelayUntilElbConnectionsDrained: input.DelayUntilElbConnectionsDrained
+    }),
+    ...(input.ExecutionTimeout !== undefined && {
+      ExecutionTimeout: input.ExecutionTimeout
+    })
+  };
 };
 
 const serializeAws_json1_1Source = (
   input: Source,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Password !== undefined) {
-    bodyParams["Password"] = input.Password;
-  }
-  if (input.Revision !== undefined) {
-    bodyParams["Revision"] = input.Revision;
-  }
-  if (input.SshKey !== undefined) {
-    bodyParams["SshKey"] = input.SshKey;
-  }
-  if (input.Type !== undefined) {
-    bodyParams["Type"] = input.Type;
-  }
-  if (input.Url !== undefined) {
-    bodyParams["Url"] = input.Url;
-  }
-  if (input.Username !== undefined) {
-    bodyParams["Username"] = input.Username;
-  }
-  return bodyParams;
+  return {
+    ...(input.Password !== undefined && { Password: input.Password }),
+    ...(input.Revision !== undefined && { Revision: input.Revision }),
+    ...(input.SshKey !== undefined && { SshKey: input.SshKey }),
+    ...(input.Type !== undefined && { Type: input.Type }),
+    ...(input.Url !== undefined && { Url: input.Url }),
+    ...(input.Username !== undefined && { Username: input.Username })
+  };
 };
 
 const serializeAws_json1_1SslConfiguration = (
   input: SslConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Certificate !== undefined) {
-    bodyParams["Certificate"] = input.Certificate;
-  }
-  if (input.Chain !== undefined) {
-    bodyParams["Chain"] = input.Chain;
-  }
-  if (input.PrivateKey !== undefined) {
-    bodyParams["PrivateKey"] = input.PrivateKey;
-  }
-  return bodyParams;
+  return {
+    ...(input.Certificate !== undefined && { Certificate: input.Certificate }),
+    ...(input.Chain !== undefined && { Chain: input.Chain }),
+    ...(input.PrivateKey !== undefined && { PrivateKey: input.PrivateKey })
+  };
 };
 
 const serializeAws_json1_1StackAttributes = (
@@ -8294,61 +7925,47 @@ const serializeAws_json1_1StackConfigurationManager = (
   input: StackConfigurationManager,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.Version !== undefined) {
-    bodyParams["Version"] = input.Version;
-  }
-  return bodyParams;
+  return {
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.Version !== undefined && { Version: input.Version })
+  };
 };
 
 const serializeAws_json1_1StartInstanceRequest = (
   input: StartInstanceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.InstanceId !== undefined) {
-    bodyParams["InstanceId"] = input.InstanceId;
-  }
-  return bodyParams;
+  return {
+    ...(input.InstanceId !== undefined && { InstanceId: input.InstanceId })
+  };
 };
 
 const serializeAws_json1_1StartStackRequest = (
   input: StartStackRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.StackId !== undefined) {
-    bodyParams["StackId"] = input.StackId;
-  }
-  return bodyParams;
+  return {
+    ...(input.StackId !== undefined && { StackId: input.StackId })
+  };
 };
 
 const serializeAws_json1_1StopInstanceRequest = (
   input: StopInstanceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Force !== undefined) {
-    bodyParams["Force"] = input.Force;
-  }
-  if (input.InstanceId !== undefined) {
-    bodyParams["InstanceId"] = input.InstanceId;
-  }
-  return bodyParams;
+  return {
+    ...(input.Force !== undefined && { Force: input.Force }),
+    ...(input.InstanceId !== undefined && { InstanceId: input.InstanceId })
+  };
 };
 
 const serializeAws_json1_1StopStackRequest = (
   input: StopStackRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.StackId !== undefined) {
-    bodyParams["StackId"] = input.StackId;
-  }
-  return bodyParams;
+  return {
+    ...(input.StackId !== undefined && { StackId: input.StackId })
+  };
 };
 
 const serializeAws_json1_1Strings = (
@@ -8369,14 +7986,12 @@ const serializeAws_json1_1TagResourceRequest = (
   input: TagResourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceArn !== undefined) {
-    bodyParams["ResourceArn"] = input.ResourceArn;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1Tags(input.Tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceArn !== undefined && { ResourceArn: input.ResourceArn }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1Tags(input.Tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1Tags = (
@@ -8393,409 +8008,305 @@ const serializeAws_json1_1UnassignInstanceRequest = (
   input: UnassignInstanceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.InstanceId !== undefined) {
-    bodyParams["InstanceId"] = input.InstanceId;
-  }
-  return bodyParams;
+  return {
+    ...(input.InstanceId !== undefined && { InstanceId: input.InstanceId })
+  };
 };
 
 const serializeAws_json1_1UnassignVolumeRequest = (
   input: UnassignVolumeRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.VolumeId !== undefined) {
-    bodyParams["VolumeId"] = input.VolumeId;
-  }
-  return bodyParams;
+  return {
+    ...(input.VolumeId !== undefined && { VolumeId: input.VolumeId })
+  };
 };
 
 const serializeAws_json1_1UntagResourceRequest = (
   input: UntagResourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceArn !== undefined) {
-    bodyParams["ResourceArn"] = input.ResourceArn;
-  }
-  if (input.TagKeys !== undefined) {
-    bodyParams["TagKeys"] = serializeAws_json1_1TagKeys(input.TagKeys, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceArn !== undefined && { ResourceArn: input.ResourceArn }),
+    ...(input.TagKeys !== undefined && {
+      TagKeys: serializeAws_json1_1TagKeys(input.TagKeys, context)
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateAppRequest = (
   input: UpdateAppRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AppId !== undefined) {
-    bodyParams["AppId"] = input.AppId;
-  }
-  if (input.AppSource !== undefined) {
-    bodyParams["AppSource"] = serializeAws_json1_1Source(
-      input.AppSource,
-      context
-    );
-  }
-  if (input.Attributes !== undefined) {
-    bodyParams["Attributes"] = serializeAws_json1_1AppAttributes(
-      input.Attributes,
-      context
-    );
-  }
-  if (input.DataSources !== undefined) {
-    bodyParams["DataSources"] = serializeAws_json1_1DataSources(
-      input.DataSources,
-      context
-    );
-  }
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.Domains !== undefined) {
-    bodyParams["Domains"] = serializeAws_json1_1Strings(input.Domains, context);
-  }
-  if (input.EnableSsl !== undefined) {
-    bodyParams["EnableSsl"] = input.EnableSsl;
-  }
-  if (input.Environment !== undefined) {
-    bodyParams["Environment"] = serializeAws_json1_1EnvironmentVariables(
-      input.Environment,
-      context
-    );
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.SslConfiguration !== undefined) {
-    bodyParams["SslConfiguration"] = serializeAws_json1_1SslConfiguration(
-      input.SslConfiguration,
-      context
-    );
-  }
-  if (input.Type !== undefined) {
-    bodyParams["Type"] = input.Type;
-  }
-  return bodyParams;
+  return {
+    ...(input.AppId !== undefined && { AppId: input.AppId }),
+    ...(input.AppSource !== undefined && {
+      AppSource: serializeAws_json1_1Source(input.AppSource, context)
+    }),
+    ...(input.Attributes !== undefined && {
+      Attributes: serializeAws_json1_1AppAttributes(input.Attributes, context)
+    }),
+    ...(input.DataSources !== undefined && {
+      DataSources: serializeAws_json1_1DataSources(input.DataSources, context)
+    }),
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.Domains !== undefined && {
+      Domains: serializeAws_json1_1Strings(input.Domains, context)
+    }),
+    ...(input.EnableSsl !== undefined && { EnableSsl: input.EnableSsl }),
+    ...(input.Environment !== undefined && {
+      Environment: serializeAws_json1_1EnvironmentVariables(
+        input.Environment,
+        context
+      )
+    }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.SslConfiguration !== undefined && {
+      SslConfiguration: serializeAws_json1_1SslConfiguration(
+        input.SslConfiguration,
+        context
+      )
+    }),
+    ...(input.Type !== undefined && { Type: input.Type })
+  };
 };
 
 const serializeAws_json1_1UpdateElasticIpRequest = (
   input: UpdateElasticIpRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ElasticIp !== undefined) {
-    bodyParams["ElasticIp"] = input.ElasticIp;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.ElasticIp !== undefined && { ElasticIp: input.ElasticIp }),
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1UpdateInstanceRequest = (
   input: UpdateInstanceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AgentVersion !== undefined) {
-    bodyParams["AgentVersion"] = input.AgentVersion;
-  }
-  if (input.AmiId !== undefined) {
-    bodyParams["AmiId"] = input.AmiId;
-  }
-  if (input.Architecture !== undefined) {
-    bodyParams["Architecture"] = input.Architecture;
-  }
-  if (input.AutoScalingType !== undefined) {
-    bodyParams["AutoScalingType"] = input.AutoScalingType;
-  }
-  if (input.EbsOptimized !== undefined) {
-    bodyParams["EbsOptimized"] = input.EbsOptimized;
-  }
-  if (input.Hostname !== undefined) {
-    bodyParams["Hostname"] = input.Hostname;
-  }
-  if (input.InstallUpdatesOnBoot !== undefined) {
-    bodyParams["InstallUpdatesOnBoot"] = input.InstallUpdatesOnBoot;
-  }
-  if (input.InstanceId !== undefined) {
-    bodyParams["InstanceId"] = input.InstanceId;
-  }
-  if (input.InstanceType !== undefined) {
-    bodyParams["InstanceType"] = input.InstanceType;
-  }
-  if (input.LayerIds !== undefined) {
-    bodyParams["LayerIds"] = serializeAws_json1_1Strings(
-      input.LayerIds,
-      context
-    );
-  }
-  if (input.Os !== undefined) {
-    bodyParams["Os"] = input.Os;
-  }
-  if (input.SshKeyName !== undefined) {
-    bodyParams["SshKeyName"] = input.SshKeyName;
-  }
-  return bodyParams;
+  return {
+    ...(input.AgentVersion !== undefined && {
+      AgentVersion: input.AgentVersion
+    }),
+    ...(input.AmiId !== undefined && { AmiId: input.AmiId }),
+    ...(input.Architecture !== undefined && {
+      Architecture: input.Architecture
+    }),
+    ...(input.AutoScalingType !== undefined && {
+      AutoScalingType: input.AutoScalingType
+    }),
+    ...(input.EbsOptimized !== undefined && {
+      EbsOptimized: input.EbsOptimized
+    }),
+    ...(input.Hostname !== undefined && { Hostname: input.Hostname }),
+    ...(input.InstallUpdatesOnBoot !== undefined && {
+      InstallUpdatesOnBoot: input.InstallUpdatesOnBoot
+    }),
+    ...(input.InstanceId !== undefined && { InstanceId: input.InstanceId }),
+    ...(input.InstanceType !== undefined && {
+      InstanceType: input.InstanceType
+    }),
+    ...(input.LayerIds !== undefined && {
+      LayerIds: serializeAws_json1_1Strings(input.LayerIds, context)
+    }),
+    ...(input.Os !== undefined && { Os: input.Os }),
+    ...(input.SshKeyName !== undefined && { SshKeyName: input.SshKeyName })
+  };
 };
 
 const serializeAws_json1_1UpdateLayerRequest = (
   input: UpdateLayerRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Attributes !== undefined) {
-    bodyParams["Attributes"] = serializeAws_json1_1LayerAttributes(
-      input.Attributes,
-      context
-    );
-  }
-  if (input.AutoAssignElasticIps !== undefined) {
-    bodyParams["AutoAssignElasticIps"] = input.AutoAssignElasticIps;
-  }
-  if (input.AutoAssignPublicIps !== undefined) {
-    bodyParams["AutoAssignPublicIps"] = input.AutoAssignPublicIps;
-  }
-  if (input.CloudWatchLogsConfiguration !== undefined) {
-    bodyParams[
-      "CloudWatchLogsConfiguration"
-    ] = serializeAws_json1_1CloudWatchLogsConfiguration(
-      input.CloudWatchLogsConfiguration,
-      context
-    );
-  }
-  if (input.CustomInstanceProfileArn !== undefined) {
-    bodyParams["CustomInstanceProfileArn"] = input.CustomInstanceProfileArn;
-  }
-  if (input.CustomJson !== undefined) {
-    bodyParams["CustomJson"] = input.CustomJson;
-  }
-  if (input.CustomRecipes !== undefined) {
-    bodyParams["CustomRecipes"] = serializeAws_json1_1Recipes(
-      input.CustomRecipes,
-      context
-    );
-  }
-  if (input.CustomSecurityGroupIds !== undefined) {
-    bodyParams["CustomSecurityGroupIds"] = serializeAws_json1_1Strings(
-      input.CustomSecurityGroupIds,
-      context
-    );
-  }
-  if (input.EnableAutoHealing !== undefined) {
-    bodyParams["EnableAutoHealing"] = input.EnableAutoHealing;
-  }
-  if (input.InstallUpdatesOnBoot !== undefined) {
-    bodyParams["InstallUpdatesOnBoot"] = input.InstallUpdatesOnBoot;
-  }
-  if (input.LayerId !== undefined) {
-    bodyParams["LayerId"] = input.LayerId;
-  }
-  if (input.LifecycleEventConfiguration !== undefined) {
-    bodyParams[
-      "LifecycleEventConfiguration"
-    ] = serializeAws_json1_1LifecycleEventConfiguration(
-      input.LifecycleEventConfiguration,
-      context
-    );
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.Packages !== undefined) {
-    bodyParams["Packages"] = serializeAws_json1_1Strings(
-      input.Packages,
-      context
-    );
-  }
-  if (input.Shortname !== undefined) {
-    bodyParams["Shortname"] = input.Shortname;
-  }
-  if (input.UseEbsOptimizedInstances !== undefined) {
-    bodyParams["UseEbsOptimizedInstances"] = input.UseEbsOptimizedInstances;
-  }
-  if (input.VolumeConfigurations !== undefined) {
-    bodyParams[
-      "VolumeConfigurations"
-    ] = serializeAws_json1_1VolumeConfigurations(
-      input.VolumeConfigurations,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Attributes !== undefined && {
+      Attributes: serializeAws_json1_1LayerAttributes(input.Attributes, context)
+    }),
+    ...(input.AutoAssignElasticIps !== undefined && {
+      AutoAssignElasticIps: input.AutoAssignElasticIps
+    }),
+    ...(input.AutoAssignPublicIps !== undefined && {
+      AutoAssignPublicIps: input.AutoAssignPublicIps
+    }),
+    ...(input.CloudWatchLogsConfiguration !== undefined && {
+      CloudWatchLogsConfiguration: serializeAws_json1_1CloudWatchLogsConfiguration(
+        input.CloudWatchLogsConfiguration,
+        context
+      )
+    }),
+    ...(input.CustomInstanceProfileArn !== undefined && {
+      CustomInstanceProfileArn: input.CustomInstanceProfileArn
+    }),
+    ...(input.CustomJson !== undefined && { CustomJson: input.CustomJson }),
+    ...(input.CustomRecipes !== undefined && {
+      CustomRecipes: serializeAws_json1_1Recipes(input.CustomRecipes, context)
+    }),
+    ...(input.CustomSecurityGroupIds !== undefined && {
+      CustomSecurityGroupIds: serializeAws_json1_1Strings(
+        input.CustomSecurityGroupIds,
+        context
+      )
+    }),
+    ...(input.EnableAutoHealing !== undefined && {
+      EnableAutoHealing: input.EnableAutoHealing
+    }),
+    ...(input.InstallUpdatesOnBoot !== undefined && {
+      InstallUpdatesOnBoot: input.InstallUpdatesOnBoot
+    }),
+    ...(input.LayerId !== undefined && { LayerId: input.LayerId }),
+    ...(input.LifecycleEventConfiguration !== undefined && {
+      LifecycleEventConfiguration: serializeAws_json1_1LifecycleEventConfiguration(
+        input.LifecycleEventConfiguration,
+        context
+      )
+    }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.Packages !== undefined && {
+      Packages: serializeAws_json1_1Strings(input.Packages, context)
+    }),
+    ...(input.Shortname !== undefined && { Shortname: input.Shortname }),
+    ...(input.UseEbsOptimizedInstances !== undefined && {
+      UseEbsOptimizedInstances: input.UseEbsOptimizedInstances
+    }),
+    ...(input.VolumeConfigurations !== undefined && {
+      VolumeConfigurations: serializeAws_json1_1VolumeConfigurations(
+        input.VolumeConfigurations,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateMyUserProfileRequest = (
   input: UpdateMyUserProfileRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.SshPublicKey !== undefined) {
-    bodyParams["SshPublicKey"] = input.SshPublicKey;
-  }
-  return bodyParams;
+  return {
+    ...(input.SshPublicKey !== undefined && {
+      SshPublicKey: input.SshPublicKey
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateRdsDbInstanceRequest = (
   input: UpdateRdsDbInstanceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DbPassword !== undefined) {
-    bodyParams["DbPassword"] = input.DbPassword;
-  }
-  if (input.DbUser !== undefined) {
-    bodyParams["DbUser"] = input.DbUser;
-  }
-  if (input.RdsDbInstanceArn !== undefined) {
-    bodyParams["RdsDbInstanceArn"] = input.RdsDbInstanceArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.DbPassword !== undefined && { DbPassword: input.DbPassword }),
+    ...(input.DbUser !== undefined && { DbUser: input.DbUser }),
+    ...(input.RdsDbInstanceArn !== undefined && {
+      RdsDbInstanceArn: input.RdsDbInstanceArn
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateStackRequest = (
   input: UpdateStackRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AgentVersion !== undefined) {
-    bodyParams["AgentVersion"] = input.AgentVersion;
-  }
-  if (input.Attributes !== undefined) {
-    bodyParams["Attributes"] = serializeAws_json1_1StackAttributes(
-      input.Attributes,
-      context
-    );
-  }
-  if (input.ChefConfiguration !== undefined) {
-    bodyParams["ChefConfiguration"] = serializeAws_json1_1ChefConfiguration(
-      input.ChefConfiguration,
-      context
-    );
-  }
-  if (input.ConfigurationManager !== undefined) {
-    bodyParams[
-      "ConfigurationManager"
-    ] = serializeAws_json1_1StackConfigurationManager(
-      input.ConfigurationManager,
-      context
-    );
-  }
-  if (input.CustomCookbooksSource !== undefined) {
-    bodyParams["CustomCookbooksSource"] = serializeAws_json1_1Source(
-      input.CustomCookbooksSource,
-      context
-    );
-  }
-  if (input.CustomJson !== undefined) {
-    bodyParams["CustomJson"] = input.CustomJson;
-  }
-  if (input.DefaultAvailabilityZone !== undefined) {
-    bodyParams["DefaultAvailabilityZone"] = input.DefaultAvailabilityZone;
-  }
-  if (input.DefaultInstanceProfileArn !== undefined) {
-    bodyParams["DefaultInstanceProfileArn"] = input.DefaultInstanceProfileArn;
-  }
-  if (input.DefaultOs !== undefined) {
-    bodyParams["DefaultOs"] = input.DefaultOs;
-  }
-  if (input.DefaultRootDeviceType !== undefined) {
-    bodyParams["DefaultRootDeviceType"] = input.DefaultRootDeviceType;
-  }
-  if (input.DefaultSshKeyName !== undefined) {
-    bodyParams["DefaultSshKeyName"] = input.DefaultSshKeyName;
-  }
-  if (input.DefaultSubnetId !== undefined) {
-    bodyParams["DefaultSubnetId"] = input.DefaultSubnetId;
-  }
-  if (input.HostnameTheme !== undefined) {
-    bodyParams["HostnameTheme"] = input.HostnameTheme;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.ServiceRoleArn !== undefined) {
-    bodyParams["ServiceRoleArn"] = input.ServiceRoleArn;
-  }
-  if (input.StackId !== undefined) {
-    bodyParams["StackId"] = input.StackId;
-  }
-  if (input.UseCustomCookbooks !== undefined) {
-    bodyParams["UseCustomCookbooks"] = input.UseCustomCookbooks;
-  }
-  if (input.UseOpsworksSecurityGroups !== undefined) {
-    bodyParams["UseOpsworksSecurityGroups"] = input.UseOpsworksSecurityGroups;
-  }
-  return bodyParams;
+  return {
+    ...(input.AgentVersion !== undefined && {
+      AgentVersion: input.AgentVersion
+    }),
+    ...(input.Attributes !== undefined && {
+      Attributes: serializeAws_json1_1StackAttributes(input.Attributes, context)
+    }),
+    ...(input.ChefConfiguration !== undefined && {
+      ChefConfiguration: serializeAws_json1_1ChefConfiguration(
+        input.ChefConfiguration,
+        context
+      )
+    }),
+    ...(input.ConfigurationManager !== undefined && {
+      ConfigurationManager: serializeAws_json1_1StackConfigurationManager(
+        input.ConfigurationManager,
+        context
+      )
+    }),
+    ...(input.CustomCookbooksSource !== undefined && {
+      CustomCookbooksSource: serializeAws_json1_1Source(
+        input.CustomCookbooksSource,
+        context
+      )
+    }),
+    ...(input.CustomJson !== undefined && { CustomJson: input.CustomJson }),
+    ...(input.DefaultAvailabilityZone !== undefined && {
+      DefaultAvailabilityZone: input.DefaultAvailabilityZone
+    }),
+    ...(input.DefaultInstanceProfileArn !== undefined && {
+      DefaultInstanceProfileArn: input.DefaultInstanceProfileArn
+    }),
+    ...(input.DefaultOs !== undefined && { DefaultOs: input.DefaultOs }),
+    ...(input.DefaultRootDeviceType !== undefined && {
+      DefaultRootDeviceType: input.DefaultRootDeviceType
+    }),
+    ...(input.DefaultSshKeyName !== undefined && {
+      DefaultSshKeyName: input.DefaultSshKeyName
+    }),
+    ...(input.DefaultSubnetId !== undefined && {
+      DefaultSubnetId: input.DefaultSubnetId
+    }),
+    ...(input.HostnameTheme !== undefined && {
+      HostnameTheme: input.HostnameTheme
+    }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.ServiceRoleArn !== undefined && {
+      ServiceRoleArn: input.ServiceRoleArn
+    }),
+    ...(input.StackId !== undefined && { StackId: input.StackId }),
+    ...(input.UseCustomCookbooks !== undefined && {
+      UseCustomCookbooks: input.UseCustomCookbooks
+    }),
+    ...(input.UseOpsworksSecurityGroups !== undefined && {
+      UseOpsworksSecurityGroups: input.UseOpsworksSecurityGroups
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateUserProfileRequest = (
   input: UpdateUserProfileRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AllowSelfManagement !== undefined) {
-    bodyParams["AllowSelfManagement"] = input.AllowSelfManagement;
-  }
-  if (input.IamUserArn !== undefined) {
-    bodyParams["IamUserArn"] = input.IamUserArn;
-  }
-  if (input.SshPublicKey !== undefined) {
-    bodyParams["SshPublicKey"] = input.SshPublicKey;
-  }
-  if (input.SshUsername !== undefined) {
-    bodyParams["SshUsername"] = input.SshUsername;
-  }
-  return bodyParams;
+  return {
+    ...(input.AllowSelfManagement !== undefined && {
+      AllowSelfManagement: input.AllowSelfManagement
+    }),
+    ...(input.IamUserArn !== undefined && { IamUserArn: input.IamUserArn }),
+    ...(input.SshPublicKey !== undefined && {
+      SshPublicKey: input.SshPublicKey
+    }),
+    ...(input.SshUsername !== undefined && { SshUsername: input.SshUsername })
+  };
 };
 
 const serializeAws_json1_1UpdateVolumeRequest = (
   input: UpdateVolumeRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MountPoint !== undefined) {
-    bodyParams["MountPoint"] = input.MountPoint;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.VolumeId !== undefined) {
-    bodyParams["VolumeId"] = input.VolumeId;
-  }
-  return bodyParams;
+  return {
+    ...(input.MountPoint !== undefined && { MountPoint: input.MountPoint }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.VolumeId !== undefined && { VolumeId: input.VolumeId })
+  };
 };
 
 const serializeAws_json1_1VolumeConfiguration = (
   input: VolumeConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Encrypted !== undefined) {
-    bodyParams["Encrypted"] = input.Encrypted;
-  }
-  if (input.Iops !== undefined) {
-    bodyParams["Iops"] = input.Iops;
-  }
-  if (input.MountPoint !== undefined) {
-    bodyParams["MountPoint"] = input.MountPoint;
-  }
-  if (input.NumberOfDisks !== undefined) {
-    bodyParams["NumberOfDisks"] = input.NumberOfDisks;
-  }
-  if (input.RaidLevel !== undefined) {
-    bodyParams["RaidLevel"] = input.RaidLevel;
-  }
-  if (input.Size !== undefined) {
-    bodyParams["Size"] = input.Size;
-  }
-  if (input.VolumeType !== undefined) {
-    bodyParams["VolumeType"] = input.VolumeType;
-  }
-  return bodyParams;
+  return {
+    ...(input.Encrypted !== undefined && { Encrypted: input.Encrypted }),
+    ...(input.Iops !== undefined && { Iops: input.Iops }),
+    ...(input.MountPoint !== undefined && { MountPoint: input.MountPoint }),
+    ...(input.NumberOfDisks !== undefined && {
+      NumberOfDisks: input.NumberOfDisks
+    }),
+    ...(input.RaidLevel !== undefined && { RaidLevel: input.RaidLevel }),
+    ...(input.Size !== undefined && { Size: input.Size }),
+    ...(input.VolumeType !== undefined && { VolumeType: input.VolumeType })
+  };
 };
 
 const serializeAws_json1_1VolumeConfigurations = (
@@ -8811,50 +8322,50 @@ const serializeAws_json1_1WeeklyAutoScalingSchedule = (
   input: WeeklyAutoScalingSchedule,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Friday !== undefined) {
-    bodyParams["Friday"] = serializeAws_json1_1DailyAutoScalingSchedule(
-      input.Friday,
-      context
-    );
-  }
-  if (input.Monday !== undefined) {
-    bodyParams["Monday"] = serializeAws_json1_1DailyAutoScalingSchedule(
-      input.Monday,
-      context
-    );
-  }
-  if (input.Saturday !== undefined) {
-    bodyParams["Saturday"] = serializeAws_json1_1DailyAutoScalingSchedule(
-      input.Saturday,
-      context
-    );
-  }
-  if (input.Sunday !== undefined) {
-    bodyParams["Sunday"] = serializeAws_json1_1DailyAutoScalingSchedule(
-      input.Sunday,
-      context
-    );
-  }
-  if (input.Thursday !== undefined) {
-    bodyParams["Thursday"] = serializeAws_json1_1DailyAutoScalingSchedule(
-      input.Thursday,
-      context
-    );
-  }
-  if (input.Tuesday !== undefined) {
-    bodyParams["Tuesday"] = serializeAws_json1_1DailyAutoScalingSchedule(
-      input.Tuesday,
-      context
-    );
-  }
-  if (input.Wednesday !== undefined) {
-    bodyParams["Wednesday"] = serializeAws_json1_1DailyAutoScalingSchedule(
-      input.Wednesday,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Friday !== undefined && {
+      Friday: serializeAws_json1_1DailyAutoScalingSchedule(
+        input.Friday,
+        context
+      )
+    }),
+    ...(input.Monday !== undefined && {
+      Monday: serializeAws_json1_1DailyAutoScalingSchedule(
+        input.Monday,
+        context
+      )
+    }),
+    ...(input.Saturday !== undefined && {
+      Saturday: serializeAws_json1_1DailyAutoScalingSchedule(
+        input.Saturday,
+        context
+      )
+    }),
+    ...(input.Sunday !== undefined && {
+      Sunday: serializeAws_json1_1DailyAutoScalingSchedule(
+        input.Sunday,
+        context
+      )
+    }),
+    ...(input.Thursday !== undefined && {
+      Thursday: serializeAws_json1_1DailyAutoScalingSchedule(
+        input.Thursday,
+        context
+      )
+    }),
+    ...(input.Tuesday !== undefined && {
+      Tuesday: serializeAws_json1_1DailyAutoScalingSchedule(
+        input.Tuesday,
+        context
+      )
+    }),
+    ...(input.Wednesday !== undefined && {
+      Wednesday: serializeAws_json1_1DailyAutoScalingSchedule(
+        input.Wednesday,
+        context
+      )
+    })
+  };
 };
 
 const deserializeAws_json1_1AgentVersion = (
diff --git a/clients/client-opsworkscm/protocols/Aws_json1_1.ts b/clients/client-opsworkscm/protocols/Aws_json1_1.ts
index 2a3335fdd7d6..4bbbda54570e 100644
--- a/clients/client-opsworkscm/protocols/Aws_json1_1.ts
+++ b/clients/client-opsworkscm/protocols/Aws_json1_1.ts
@@ -2086,249 +2086,193 @@ const serializeAws_json1_1AssociateNodeRequest = (
   input: AssociateNodeRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EngineAttributes !== undefined) {
-    bodyParams["EngineAttributes"] = serializeAws_json1_1EngineAttributes(
-      input.EngineAttributes,
-      context
-    );
-  }
-  if (input.NodeName !== undefined) {
-    bodyParams["NodeName"] = input.NodeName;
-  }
-  if (input.ServerName !== undefined) {
-    bodyParams["ServerName"] = input.ServerName;
-  }
-  return bodyParams;
+  return {
+    ...(input.EngineAttributes !== undefined && {
+      EngineAttributes: serializeAws_json1_1EngineAttributes(
+        input.EngineAttributes,
+        context
+      )
+    }),
+    ...(input.NodeName !== undefined && { NodeName: input.NodeName }),
+    ...(input.ServerName !== undefined && { ServerName: input.ServerName })
+  };
 };
 
 const serializeAws_json1_1CreateBackupRequest = (
   input: CreateBackupRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.ServerName !== undefined) {
-    bodyParams["ServerName"] = input.ServerName;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagList(input.Tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.ServerName !== undefined && { ServerName: input.ServerName }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagList(input.Tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1CreateServerRequest = (
   input: CreateServerRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AssociatePublicIpAddress !== undefined) {
-    bodyParams["AssociatePublicIpAddress"] = input.AssociatePublicIpAddress;
-  }
-  if (input.BackupId !== undefined) {
-    bodyParams["BackupId"] = input.BackupId;
-  }
-  if (input.BackupRetentionCount !== undefined) {
-    bodyParams["BackupRetentionCount"] = input.BackupRetentionCount;
-  }
-  if (input.CustomCertificate !== undefined) {
-    bodyParams["CustomCertificate"] = input.CustomCertificate;
-  }
-  if (input.CustomDomain !== undefined) {
-    bodyParams["CustomDomain"] = input.CustomDomain;
-  }
-  if (input.CustomPrivateKey !== undefined) {
-    bodyParams["CustomPrivateKey"] = input.CustomPrivateKey;
-  }
-  if (input.DisableAutomatedBackup !== undefined) {
-    bodyParams["DisableAutomatedBackup"] = input.DisableAutomatedBackup;
-  }
-  if (input.Engine !== undefined) {
-    bodyParams["Engine"] = input.Engine;
-  }
-  if (input.EngineAttributes !== undefined) {
-    bodyParams["EngineAttributes"] = serializeAws_json1_1EngineAttributes(
-      input.EngineAttributes,
-      context
-    );
-  }
-  if (input.EngineModel !== undefined) {
-    bodyParams["EngineModel"] = input.EngineModel;
-  }
-  if (input.EngineVersion !== undefined) {
-    bodyParams["EngineVersion"] = input.EngineVersion;
-  }
-  if (input.InstanceProfileArn !== undefined) {
-    bodyParams["InstanceProfileArn"] = input.InstanceProfileArn;
-  }
-  if (input.InstanceType !== undefined) {
-    bodyParams["InstanceType"] = input.InstanceType;
-  }
-  if (input.KeyPair !== undefined) {
-    bodyParams["KeyPair"] = input.KeyPair;
-  }
-  if (input.PreferredBackupWindow !== undefined) {
-    bodyParams["PreferredBackupWindow"] = input.PreferredBackupWindow;
-  }
-  if (input.PreferredMaintenanceWindow !== undefined) {
-    bodyParams["PreferredMaintenanceWindow"] = input.PreferredMaintenanceWindow;
-  }
-  if (input.SecurityGroupIds !== undefined) {
-    bodyParams["SecurityGroupIds"] = serializeAws_json1_1Strings(
-      input.SecurityGroupIds,
-      context
-    );
-  }
-  if (input.ServerName !== undefined) {
-    bodyParams["ServerName"] = input.ServerName;
-  }
-  if (input.ServiceRoleArn !== undefined) {
-    bodyParams["ServiceRoleArn"] = input.ServiceRoleArn;
-  }
-  if (input.SubnetIds !== undefined) {
-    bodyParams["SubnetIds"] = serializeAws_json1_1Strings(
-      input.SubnetIds,
-      context
-    );
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagList(input.Tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.AssociatePublicIpAddress !== undefined && {
+      AssociatePublicIpAddress: input.AssociatePublicIpAddress
+    }),
+    ...(input.BackupId !== undefined && { BackupId: input.BackupId }),
+    ...(input.BackupRetentionCount !== undefined && {
+      BackupRetentionCount: input.BackupRetentionCount
+    }),
+    ...(input.CustomCertificate !== undefined && {
+      CustomCertificate: input.CustomCertificate
+    }),
+    ...(input.CustomDomain !== undefined && {
+      CustomDomain: input.CustomDomain
+    }),
+    ...(input.CustomPrivateKey !== undefined && {
+      CustomPrivateKey: input.CustomPrivateKey
+    }),
+    ...(input.DisableAutomatedBackup !== undefined && {
+      DisableAutomatedBackup: input.DisableAutomatedBackup
+    }),
+    ...(input.Engine !== undefined && { Engine: input.Engine }),
+    ...(input.EngineAttributes !== undefined && {
+      EngineAttributes: serializeAws_json1_1EngineAttributes(
+        input.EngineAttributes,
+        context
+      )
+    }),
+    ...(input.EngineModel !== undefined && { EngineModel: input.EngineModel }),
+    ...(input.EngineVersion !== undefined && {
+      EngineVersion: input.EngineVersion
+    }),
+    ...(input.InstanceProfileArn !== undefined && {
+      InstanceProfileArn: input.InstanceProfileArn
+    }),
+    ...(input.InstanceType !== undefined && {
+      InstanceType: input.InstanceType
+    }),
+    ...(input.KeyPair !== undefined && { KeyPair: input.KeyPair }),
+    ...(input.PreferredBackupWindow !== undefined && {
+      PreferredBackupWindow: input.PreferredBackupWindow
+    }),
+    ...(input.PreferredMaintenanceWindow !== undefined && {
+      PreferredMaintenanceWindow: input.PreferredMaintenanceWindow
+    }),
+    ...(input.SecurityGroupIds !== undefined && {
+      SecurityGroupIds: serializeAws_json1_1Strings(
+        input.SecurityGroupIds,
+        context
+      )
+    }),
+    ...(input.ServerName !== undefined && { ServerName: input.ServerName }),
+    ...(input.ServiceRoleArn !== undefined && {
+      ServiceRoleArn: input.ServiceRoleArn
+    }),
+    ...(input.SubnetIds !== undefined && {
+      SubnetIds: serializeAws_json1_1Strings(input.SubnetIds, context)
+    }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagList(input.Tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteBackupRequest = (
   input: DeleteBackupRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.BackupId !== undefined) {
-    bodyParams["BackupId"] = input.BackupId;
-  }
-  return bodyParams;
+  return {
+    ...(input.BackupId !== undefined && { BackupId: input.BackupId })
+  };
 };
 
 const serializeAws_json1_1DeleteServerRequest = (
   input: DeleteServerRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ServerName !== undefined) {
-    bodyParams["ServerName"] = input.ServerName;
-  }
-  return bodyParams;
+  return {
+    ...(input.ServerName !== undefined && { ServerName: input.ServerName })
+  };
 };
 
 const serializeAws_json1_1DescribeAccountAttributesRequest = (
   input: DescribeAccountAttributesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  return bodyParams;
+  return {};
 };
 
 const serializeAws_json1_1DescribeBackupsRequest = (
   input: DescribeBackupsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.BackupId !== undefined) {
-    bodyParams["BackupId"] = input.BackupId;
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.ServerName !== undefined) {
-    bodyParams["ServerName"] = input.ServerName;
-  }
-  return bodyParams;
+  return {
+    ...(input.BackupId !== undefined && { BackupId: input.BackupId }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.ServerName !== undefined && { ServerName: input.ServerName })
+  };
 };
 
 const serializeAws_json1_1DescribeEventsRequest = (
   input: DescribeEventsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.ServerName !== undefined) {
-    bodyParams["ServerName"] = input.ServerName;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.ServerName !== undefined && { ServerName: input.ServerName })
+  };
 };
 
 const serializeAws_json1_1DescribeNodeAssociationStatusRequest = (
   input: DescribeNodeAssociationStatusRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.NodeAssociationStatusToken !== undefined) {
-    bodyParams["NodeAssociationStatusToken"] = input.NodeAssociationStatusToken;
-  }
-  if (input.ServerName !== undefined) {
-    bodyParams["ServerName"] = input.ServerName;
-  }
-  return bodyParams;
+  return {
+    ...(input.NodeAssociationStatusToken !== undefined && {
+      NodeAssociationStatusToken: input.NodeAssociationStatusToken
+    }),
+    ...(input.ServerName !== undefined && { ServerName: input.ServerName })
+  };
 };
 
 const serializeAws_json1_1DescribeServersRequest = (
   input: DescribeServersRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.ServerName !== undefined) {
-    bodyParams["ServerName"] = input.ServerName;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.ServerName !== undefined && { ServerName: input.ServerName })
+  };
 };
 
 const serializeAws_json1_1DisassociateNodeRequest = (
   input: DisassociateNodeRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EngineAttributes !== undefined) {
-    bodyParams["EngineAttributes"] = serializeAws_json1_1EngineAttributes(
-      input.EngineAttributes,
-      context
-    );
-  }
-  if (input.NodeName !== undefined) {
-    bodyParams["NodeName"] = input.NodeName;
-  }
-  if (input.ServerName !== undefined) {
-    bodyParams["ServerName"] = input.ServerName;
-  }
-  return bodyParams;
+  return {
+    ...(input.EngineAttributes !== undefined && {
+      EngineAttributes: serializeAws_json1_1EngineAttributes(
+        input.EngineAttributes,
+        context
+      )
+    }),
+    ...(input.NodeName !== undefined && { NodeName: input.NodeName }),
+    ...(input.ServerName !== undefined && { ServerName: input.ServerName })
+  };
 };
 
 const serializeAws_json1_1EngineAttribute = (
   input: EngineAttribute,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.Value !== undefined) {
-    bodyParams["Value"] = input.Value;
-  }
-  return bodyParams;
+  return {
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.Value !== undefined && { Value: input.Value })
+  };
 };
 
 const serializeAws_json1_1EngineAttributes = (
@@ -2344,74 +2288,58 @@ const serializeAws_json1_1ExportServerEngineAttributeRequest = (
   input: ExportServerEngineAttributeRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ExportAttributeName !== undefined) {
-    bodyParams["ExportAttributeName"] = input.ExportAttributeName;
-  }
-  if (input.InputAttributes !== undefined) {
-    bodyParams["InputAttributes"] = serializeAws_json1_1EngineAttributes(
-      input.InputAttributes,
-      context
-    );
-  }
-  if (input.ServerName !== undefined) {
-    bodyParams["ServerName"] = input.ServerName;
-  }
-  return bodyParams;
+  return {
+    ...(input.ExportAttributeName !== undefined && {
+      ExportAttributeName: input.ExportAttributeName
+    }),
+    ...(input.InputAttributes !== undefined && {
+      InputAttributes: serializeAws_json1_1EngineAttributes(
+        input.InputAttributes,
+        context
+      )
+    }),
+    ...(input.ServerName !== undefined && { ServerName: input.ServerName })
+  };
 };
 
 const serializeAws_json1_1ListTagsForResourceRequest = (
   input: ListTagsForResourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.ResourceArn !== undefined) {
-    bodyParams["ResourceArn"] = input.ResourceArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.ResourceArn !== undefined && { ResourceArn: input.ResourceArn })
+  };
 };
 
 const serializeAws_json1_1RestoreServerRequest = (
   input: RestoreServerRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.BackupId !== undefined) {
-    bodyParams["BackupId"] = input.BackupId;
-  }
-  if (input.InstanceType !== undefined) {
-    bodyParams["InstanceType"] = input.InstanceType;
-  }
-  if (input.KeyPair !== undefined) {
-    bodyParams["KeyPair"] = input.KeyPair;
-  }
-  if (input.ServerName !== undefined) {
-    bodyParams["ServerName"] = input.ServerName;
-  }
-  return bodyParams;
+  return {
+    ...(input.BackupId !== undefined && { BackupId: input.BackupId }),
+    ...(input.InstanceType !== undefined && {
+      InstanceType: input.InstanceType
+    }),
+    ...(input.KeyPair !== undefined && { KeyPair: input.KeyPair }),
+    ...(input.ServerName !== undefined && { ServerName: input.ServerName })
+  };
 };
 
 const serializeAws_json1_1StartMaintenanceRequest = (
   input: StartMaintenanceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EngineAttributes !== undefined) {
-    bodyParams["EngineAttributes"] = serializeAws_json1_1EngineAttributes(
-      input.EngineAttributes,
-      context
-    );
-  }
-  if (input.ServerName !== undefined) {
-    bodyParams["ServerName"] = input.ServerName;
-  }
-  return bodyParams;
+  return {
+    ...(input.EngineAttributes !== undefined && {
+      EngineAttributes: serializeAws_json1_1EngineAttributes(
+        input.EngineAttributes,
+        context
+      )
+    }),
+    ...(input.ServerName !== undefined && { ServerName: input.ServerName })
+  };
 };
 
 const serializeAws_json1_1Strings = (
@@ -2422,14 +2350,10 @@ const serializeAws_json1_1Strings = (
 };
 
 const serializeAws_json1_1Tag = (input: Tag, context: __SerdeContext): any => {
-  const bodyParams: any = {};
-  if (input.Key !== undefined) {
-    bodyParams["Key"] = input.Key;
-  }
-  if (input.Value !== undefined) {
-    bodyParams["Value"] = input.Value;
-  }
-  return bodyParams;
+  return {
+    ...(input.Key !== undefined && { Key: input.Key }),
+    ...(input.Value !== undefined && { Value: input.Value })
+  };
 };
 
 const serializeAws_json1_1TagKeyList = (
@@ -2450,71 +2374,60 @@ const serializeAws_json1_1TagResourceRequest = (
   input: TagResourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceArn !== undefined) {
-    bodyParams["ResourceArn"] = input.ResourceArn;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagList(input.Tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceArn !== undefined && { ResourceArn: input.ResourceArn }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagList(input.Tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1UntagResourceRequest = (
   input: UntagResourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceArn !== undefined) {
-    bodyParams["ResourceArn"] = input.ResourceArn;
-  }
-  if (input.TagKeys !== undefined) {
-    bodyParams["TagKeys"] = serializeAws_json1_1TagKeyList(
-      input.TagKeys,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceArn !== undefined && { ResourceArn: input.ResourceArn }),
+    ...(input.TagKeys !== undefined && {
+      TagKeys: serializeAws_json1_1TagKeyList(input.TagKeys, context)
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateServerEngineAttributesRequest = (
   input: UpdateServerEngineAttributesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AttributeName !== undefined) {
-    bodyParams["AttributeName"] = input.AttributeName;
-  }
-  if (input.AttributeValue !== undefined) {
-    bodyParams["AttributeValue"] = input.AttributeValue;
-  }
-  if (input.ServerName !== undefined) {
-    bodyParams["ServerName"] = input.ServerName;
-  }
-  return bodyParams;
+  return {
+    ...(input.AttributeName !== undefined && {
+      AttributeName: input.AttributeName
+    }),
+    ...(input.AttributeValue !== undefined && {
+      AttributeValue: input.AttributeValue
+    }),
+    ...(input.ServerName !== undefined && { ServerName: input.ServerName })
+  };
 };
 
 const serializeAws_json1_1UpdateServerRequest = (
   input: UpdateServerRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.BackupRetentionCount !== undefined) {
-    bodyParams["BackupRetentionCount"] = input.BackupRetentionCount;
-  }
-  if (input.DisableAutomatedBackup !== undefined) {
-    bodyParams["DisableAutomatedBackup"] = input.DisableAutomatedBackup;
-  }
-  if (input.PreferredBackupWindow !== undefined) {
-    bodyParams["PreferredBackupWindow"] = input.PreferredBackupWindow;
-  }
-  if (input.PreferredMaintenanceWindow !== undefined) {
-    bodyParams["PreferredMaintenanceWindow"] = input.PreferredMaintenanceWindow;
-  }
-  if (input.ServerName !== undefined) {
-    bodyParams["ServerName"] = input.ServerName;
-  }
-  return bodyParams;
+  return {
+    ...(input.BackupRetentionCount !== undefined && {
+      BackupRetentionCount: input.BackupRetentionCount
+    }),
+    ...(input.DisableAutomatedBackup !== undefined && {
+      DisableAutomatedBackup: input.DisableAutomatedBackup
+    }),
+    ...(input.PreferredBackupWindow !== undefined && {
+      PreferredBackupWindow: input.PreferredBackupWindow
+    }),
+    ...(input.PreferredMaintenanceWindow !== undefined && {
+      PreferredMaintenanceWindow: input.PreferredMaintenanceWindow
+    }),
+    ...(input.ServerName !== undefined && { ServerName: input.ServerName })
+  };
 };
 
 const deserializeAws_json1_1AccountAttribute = (
diff --git a/clients/client-organizations/protocols/Aws_json1_1.ts b/clients/client-organizations/protocols/Aws_json1_1.ts
index 4a3c90b5fed8..280e04631d3e 100644
--- a/clients/client-organizations/protocols/Aws_json1_1.ts
+++ b/clients/client-organizations/protocols/Aws_json1_1.ts
@@ -8206,56 +8206,42 @@ const serializeAws_json1_1AcceptHandshakeRequest = (
   input: AcceptHandshakeRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.HandshakeId !== undefined) {
-    bodyParams["HandshakeId"] = input.HandshakeId;
-  }
-  return bodyParams;
+  return {
+    ...(input.HandshakeId !== undefined && { HandshakeId: input.HandshakeId })
+  };
 };
 
 const serializeAws_json1_1AttachPolicyRequest = (
   input: AttachPolicyRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.PolicyId !== undefined) {
-    bodyParams["PolicyId"] = input.PolicyId;
-  }
-  if (input.TargetId !== undefined) {
-    bodyParams["TargetId"] = input.TargetId;
-  }
-  return bodyParams;
+  return {
+    ...(input.PolicyId !== undefined && { PolicyId: input.PolicyId }),
+    ...(input.TargetId !== undefined && { TargetId: input.TargetId })
+  };
 };
 
 const serializeAws_json1_1CancelHandshakeRequest = (
   input: CancelHandshakeRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.HandshakeId !== undefined) {
-    bodyParams["HandshakeId"] = input.HandshakeId;
-  }
-  return bodyParams;
+  return {
+    ...(input.HandshakeId !== undefined && { HandshakeId: input.HandshakeId })
+  };
 };
 
 const serializeAws_json1_1CreateAccountRequest = (
   input: CreateAccountRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AccountName !== undefined) {
-    bodyParams["AccountName"] = input.AccountName;
-  }
-  if (input.Email !== undefined) {
-    bodyParams["Email"] = input.Email;
-  }
-  if (input.IamUserAccessToBilling !== undefined) {
-    bodyParams["IamUserAccessToBilling"] = input.IamUserAccessToBilling;
-  }
-  if (input.RoleName !== undefined) {
-    bodyParams["RoleName"] = input.RoleName;
-  }
-  return bodyParams;
+  return {
+    ...(input.AccountName !== undefined && { AccountName: input.AccountName }),
+    ...(input.Email !== undefined && { Email: input.Email }),
+    ...(input.IamUserAccessToBilling !== undefined && {
+      IamUserAccessToBilling: input.IamUserAccessToBilling
+    }),
+    ...(input.RoleName !== undefined && { RoleName: input.RoleName })
+  };
 };
 
 const serializeAws_json1_1CreateAccountStates = (
@@ -8269,564 +8255,415 @@ const serializeAws_json1_1CreateGovCloudAccountRequest = (
   input: CreateGovCloudAccountRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AccountName !== undefined) {
-    bodyParams["AccountName"] = input.AccountName;
-  }
-  if (input.Email !== undefined) {
-    bodyParams["Email"] = input.Email;
-  }
-  if (input.IamUserAccessToBilling !== undefined) {
-    bodyParams["IamUserAccessToBilling"] = input.IamUserAccessToBilling;
-  }
-  if (input.RoleName !== undefined) {
-    bodyParams["RoleName"] = input.RoleName;
-  }
-  return bodyParams;
+  return {
+    ...(input.AccountName !== undefined && { AccountName: input.AccountName }),
+    ...(input.Email !== undefined && { Email: input.Email }),
+    ...(input.IamUserAccessToBilling !== undefined && {
+      IamUserAccessToBilling: input.IamUserAccessToBilling
+    }),
+    ...(input.RoleName !== undefined && { RoleName: input.RoleName })
+  };
 };
 
 const serializeAws_json1_1CreateOrganizationRequest = (
   input: CreateOrganizationRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.FeatureSet !== undefined) {
-    bodyParams["FeatureSet"] = input.FeatureSet;
-  }
-  return bodyParams;
+  return {
+    ...(input.FeatureSet !== undefined && { FeatureSet: input.FeatureSet })
+  };
 };
 
 const serializeAws_json1_1CreateOrganizationalUnitRequest = (
   input: CreateOrganizationalUnitRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.ParentId !== undefined) {
-    bodyParams["ParentId"] = input.ParentId;
-  }
-  return bodyParams;
+  return {
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.ParentId !== undefined && { ParentId: input.ParentId })
+  };
 };
 
 const serializeAws_json1_1CreatePolicyRequest = (
   input: CreatePolicyRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Content !== undefined) {
-    bodyParams["Content"] = input.Content;
-  }
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.Type !== undefined) {
-    bodyParams["Type"] = input.Type;
-  }
-  return bodyParams;
+  return {
+    ...(input.Content !== undefined && { Content: input.Content }),
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.Type !== undefined && { Type: input.Type })
+  };
 };
 
 const serializeAws_json1_1DeclineHandshakeRequest = (
   input: DeclineHandshakeRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.HandshakeId !== undefined) {
-    bodyParams["HandshakeId"] = input.HandshakeId;
-  }
-  return bodyParams;
+  return {
+    ...(input.HandshakeId !== undefined && { HandshakeId: input.HandshakeId })
+  };
 };
 
 const serializeAws_json1_1DeleteOrganizationalUnitRequest = (
   input: DeleteOrganizationalUnitRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.OrganizationalUnitId !== undefined) {
-    bodyParams["OrganizationalUnitId"] = input.OrganizationalUnitId;
-  }
-  return bodyParams;
+  return {
+    ...(input.OrganizationalUnitId !== undefined && {
+      OrganizationalUnitId: input.OrganizationalUnitId
+    })
+  };
 };
 
 const serializeAws_json1_1DeletePolicyRequest = (
   input: DeletePolicyRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.PolicyId !== undefined) {
-    bodyParams["PolicyId"] = input.PolicyId;
-  }
-  return bodyParams;
+  return {
+    ...(input.PolicyId !== undefined && { PolicyId: input.PolicyId })
+  };
 };
 
 const serializeAws_json1_1DescribeAccountRequest = (
   input: DescribeAccountRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AccountId !== undefined) {
-    bodyParams["AccountId"] = input.AccountId;
-  }
-  return bodyParams;
+  return {
+    ...(input.AccountId !== undefined && { AccountId: input.AccountId })
+  };
 };
 
 const serializeAws_json1_1DescribeCreateAccountStatusRequest = (
   input: DescribeCreateAccountStatusRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CreateAccountRequestId !== undefined) {
-    bodyParams["CreateAccountRequestId"] = input.CreateAccountRequestId;
-  }
-  return bodyParams;
+  return {
+    ...(input.CreateAccountRequestId !== undefined && {
+      CreateAccountRequestId: input.CreateAccountRequestId
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeEffectivePolicyRequest = (
   input: DescribeEffectivePolicyRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.PolicyType !== undefined) {
-    bodyParams["PolicyType"] = input.PolicyType;
-  }
-  if (input.TargetId !== undefined) {
-    bodyParams["TargetId"] = input.TargetId;
-  }
-  return bodyParams;
+  return {
+    ...(input.PolicyType !== undefined && { PolicyType: input.PolicyType }),
+    ...(input.TargetId !== undefined && { TargetId: input.TargetId })
+  };
 };
 
 const serializeAws_json1_1DescribeHandshakeRequest = (
   input: DescribeHandshakeRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.HandshakeId !== undefined) {
-    bodyParams["HandshakeId"] = input.HandshakeId;
-  }
-  return bodyParams;
+  return {
+    ...(input.HandshakeId !== undefined && { HandshakeId: input.HandshakeId })
+  };
 };
 
 const serializeAws_json1_1DescribeOrganizationalUnitRequest = (
   input: DescribeOrganizationalUnitRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.OrganizationalUnitId !== undefined) {
-    bodyParams["OrganizationalUnitId"] = input.OrganizationalUnitId;
-  }
-  return bodyParams;
+  return {
+    ...(input.OrganizationalUnitId !== undefined && {
+      OrganizationalUnitId: input.OrganizationalUnitId
+    })
+  };
 };
 
 const serializeAws_json1_1DescribePolicyRequest = (
   input: DescribePolicyRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.PolicyId !== undefined) {
-    bodyParams["PolicyId"] = input.PolicyId;
-  }
-  return bodyParams;
+  return {
+    ...(input.PolicyId !== undefined && { PolicyId: input.PolicyId })
+  };
 };
 
 const serializeAws_json1_1DetachPolicyRequest = (
   input: DetachPolicyRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.PolicyId !== undefined) {
-    bodyParams["PolicyId"] = input.PolicyId;
-  }
-  if (input.TargetId !== undefined) {
-    bodyParams["TargetId"] = input.TargetId;
-  }
-  return bodyParams;
+  return {
+    ...(input.PolicyId !== undefined && { PolicyId: input.PolicyId }),
+    ...(input.TargetId !== undefined && { TargetId: input.TargetId })
+  };
 };
 
 const serializeAws_json1_1DisableAWSServiceAccessRequest = (
   input: DisableAWSServiceAccessRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ServicePrincipal !== undefined) {
-    bodyParams["ServicePrincipal"] = input.ServicePrincipal;
-  }
-  return bodyParams;
+  return {
+    ...(input.ServicePrincipal !== undefined && {
+      ServicePrincipal: input.ServicePrincipal
+    })
+  };
 };
 
 const serializeAws_json1_1DisablePolicyTypeRequest = (
   input: DisablePolicyTypeRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.PolicyType !== undefined) {
-    bodyParams["PolicyType"] = input.PolicyType;
-  }
-  if (input.RootId !== undefined) {
-    bodyParams["RootId"] = input.RootId;
-  }
-  return bodyParams;
+  return {
+    ...(input.PolicyType !== undefined && { PolicyType: input.PolicyType }),
+    ...(input.RootId !== undefined && { RootId: input.RootId })
+  };
 };
 
 const serializeAws_json1_1EnableAWSServiceAccessRequest = (
   input: EnableAWSServiceAccessRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ServicePrincipal !== undefined) {
-    bodyParams["ServicePrincipal"] = input.ServicePrincipal;
-  }
-  return bodyParams;
+  return {
+    ...(input.ServicePrincipal !== undefined && {
+      ServicePrincipal: input.ServicePrincipal
+    })
+  };
 };
 
 const serializeAws_json1_1EnableAllFeaturesRequest = (
   input: EnableAllFeaturesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  return bodyParams;
+  return {};
 };
 
 const serializeAws_json1_1EnablePolicyTypeRequest = (
   input: EnablePolicyTypeRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.PolicyType !== undefined) {
-    bodyParams["PolicyType"] = input.PolicyType;
-  }
-  if (input.RootId !== undefined) {
-    bodyParams["RootId"] = input.RootId;
-  }
-  return bodyParams;
+  return {
+    ...(input.PolicyType !== undefined && { PolicyType: input.PolicyType }),
+    ...(input.RootId !== undefined && { RootId: input.RootId })
+  };
 };
 
 const serializeAws_json1_1HandshakeFilter = (
   input: HandshakeFilter,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ActionType !== undefined) {
-    bodyParams["ActionType"] = input.ActionType;
-  }
-  if (input.ParentHandshakeId !== undefined) {
-    bodyParams["ParentHandshakeId"] = input.ParentHandshakeId;
-  }
-  return bodyParams;
+  return {
+    ...(input.ActionType !== undefined && { ActionType: input.ActionType }),
+    ...(input.ParentHandshakeId !== undefined && {
+      ParentHandshakeId: input.ParentHandshakeId
+    })
+  };
 };
 
 const serializeAws_json1_1HandshakeParty = (
   input: HandshakeParty,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Id !== undefined) {
-    bodyParams["Id"] = input.Id;
-  }
-  if (input.Type !== undefined) {
-    bodyParams["Type"] = input.Type;
-  }
-  return bodyParams;
+  return {
+    ...(input.Id !== undefined && { Id: input.Id }),
+    ...(input.Type !== undefined && { Type: input.Type })
+  };
 };
 
 const serializeAws_json1_1InviteAccountToOrganizationRequest = (
   input: InviteAccountToOrganizationRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Notes !== undefined) {
-    bodyParams["Notes"] = input.Notes;
-  }
-  if (input.Target !== undefined) {
-    bodyParams["Target"] = serializeAws_json1_1HandshakeParty(
-      input.Target,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Notes !== undefined && { Notes: input.Notes }),
+    ...(input.Target !== undefined && {
+      Target: serializeAws_json1_1HandshakeParty(input.Target, context)
+    })
+  };
 };
 
 const serializeAws_json1_1ListAWSServiceAccessForOrganizationRequest = (
   input: ListAWSServiceAccessForOrganizationRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1ListAccountsForParentRequest = (
   input: ListAccountsForParentRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.ParentId !== undefined) {
-    bodyParams["ParentId"] = input.ParentId;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.ParentId !== undefined && { ParentId: input.ParentId })
+  };
 };
 
 const serializeAws_json1_1ListAccountsRequest = (
   input: ListAccountsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1ListChildrenRequest = (
   input: ListChildrenRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ChildType !== undefined) {
-    bodyParams["ChildType"] = input.ChildType;
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.ParentId !== undefined) {
-    bodyParams["ParentId"] = input.ParentId;
-  }
-  return bodyParams;
+  return {
+    ...(input.ChildType !== undefined && { ChildType: input.ChildType }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.ParentId !== undefined && { ParentId: input.ParentId })
+  };
 };
 
 const serializeAws_json1_1ListCreateAccountStatusRequest = (
   input: ListCreateAccountStatusRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.States !== undefined) {
-    bodyParams["States"] = serializeAws_json1_1CreateAccountStates(
-      input.States,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.States !== undefined && {
+      States: serializeAws_json1_1CreateAccountStates(input.States, context)
+    })
+  };
 };
 
 const serializeAws_json1_1ListHandshakesForAccountRequest = (
   input: ListHandshakesForAccountRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Filter !== undefined) {
-    bodyParams["Filter"] = serializeAws_json1_1HandshakeFilter(
-      input.Filter,
-      context
-    );
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.Filter !== undefined && {
+      Filter: serializeAws_json1_1HandshakeFilter(input.Filter, context)
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1ListHandshakesForOrganizationRequest = (
   input: ListHandshakesForOrganizationRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Filter !== undefined) {
-    bodyParams["Filter"] = serializeAws_json1_1HandshakeFilter(
-      input.Filter,
-      context
-    );
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.Filter !== undefined && {
+      Filter: serializeAws_json1_1HandshakeFilter(input.Filter, context)
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1ListOrganizationalUnitsForParentRequest = (
   input: ListOrganizationalUnitsForParentRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.ParentId !== undefined) {
-    bodyParams["ParentId"] = input.ParentId;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.ParentId !== undefined && { ParentId: input.ParentId })
+  };
 };
 
 const serializeAws_json1_1ListParentsRequest = (
   input: ListParentsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ChildId !== undefined) {
-    bodyParams["ChildId"] = input.ChildId;
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.ChildId !== undefined && { ChildId: input.ChildId }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1ListPoliciesForTargetRequest = (
   input: ListPoliciesForTargetRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Filter !== undefined) {
-    bodyParams["Filter"] = input.Filter;
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.TargetId !== undefined) {
-    bodyParams["TargetId"] = input.TargetId;
-  }
-  return bodyParams;
+  return {
+    ...(input.Filter !== undefined && { Filter: input.Filter }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.TargetId !== undefined && { TargetId: input.TargetId })
+  };
 };
 
 const serializeAws_json1_1ListPoliciesRequest = (
   input: ListPoliciesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Filter !== undefined) {
-    bodyParams["Filter"] = input.Filter;
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.Filter !== undefined && { Filter: input.Filter }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1ListRootsRequest = (
   input: ListRootsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1ListTagsForResourceRequest = (
   input: ListTagsForResourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.ResourceId !== undefined) {
-    bodyParams["ResourceId"] = input.ResourceId;
-  }
-  return bodyParams;
+  return {
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.ResourceId !== undefined && { ResourceId: input.ResourceId })
+  };
 };
 
 const serializeAws_json1_1ListTargetsForPolicyRequest = (
   input: ListTargetsForPolicyRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.PolicyId !== undefined) {
-    bodyParams["PolicyId"] = input.PolicyId;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.PolicyId !== undefined && { PolicyId: input.PolicyId })
+  };
 };
 
 const serializeAws_json1_1MoveAccountRequest = (
   input: MoveAccountRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AccountId !== undefined) {
-    bodyParams["AccountId"] = input.AccountId;
-  }
-  if (input.DestinationParentId !== undefined) {
-    bodyParams["DestinationParentId"] = input.DestinationParentId;
-  }
-  if (input.SourceParentId !== undefined) {
-    bodyParams["SourceParentId"] = input.SourceParentId;
-  }
-  return bodyParams;
+  return {
+    ...(input.AccountId !== undefined && { AccountId: input.AccountId }),
+    ...(input.DestinationParentId !== undefined && {
+      DestinationParentId: input.DestinationParentId
+    }),
+    ...(input.SourceParentId !== undefined && {
+      SourceParentId: input.SourceParentId
+    })
+  };
 };
 
 const serializeAws_json1_1RemoveAccountFromOrganizationRequest = (
   input: RemoveAccountFromOrganizationRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AccountId !== undefined) {
-    bodyParams["AccountId"] = input.AccountId;
-  }
-  return bodyParams;
+  return {
+    ...(input.AccountId !== undefined && { AccountId: input.AccountId })
+  };
 };
 
 const serializeAws_json1_1Tag = (input: Tag, context: __SerdeContext): any => {
-  const bodyParams: any = {};
-  if (input.Key !== undefined) {
-    bodyParams["Key"] = input.Key;
-  }
-  if (input.Value !== undefined) {
-    bodyParams["Value"] = input.Value;
-  }
-  return bodyParams;
+  return {
+    ...(input.Key !== undefined && { Key: input.Key }),
+    ...(input.Value !== undefined && { Value: input.Value })
+  };
 };
 
 const serializeAws_json1_1TagKeys = (
@@ -8840,14 +8677,12 @@ const serializeAws_json1_1TagResourceRequest = (
   input: TagResourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceId !== undefined) {
-    bodyParams["ResourceId"] = input.ResourceId;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1Tags(input.Tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceId !== undefined && { ResourceId: input.ResourceId }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1Tags(input.Tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1Tags = (
@@ -8861,48 +8696,36 @@ const serializeAws_json1_1UntagResourceRequest = (
   input: UntagResourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceId !== undefined) {
-    bodyParams["ResourceId"] = input.ResourceId;
-  }
-  if (input.TagKeys !== undefined) {
-    bodyParams["TagKeys"] = serializeAws_json1_1TagKeys(input.TagKeys, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceId !== undefined && { ResourceId: input.ResourceId }),
+    ...(input.TagKeys !== undefined && {
+      TagKeys: serializeAws_json1_1TagKeys(input.TagKeys, context)
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateOrganizationalUnitRequest = (
   input: UpdateOrganizationalUnitRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.OrganizationalUnitId !== undefined) {
-    bodyParams["OrganizationalUnitId"] = input.OrganizationalUnitId;
-  }
-  return bodyParams;
+  return {
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.OrganizationalUnitId !== undefined && {
+      OrganizationalUnitId: input.OrganizationalUnitId
+    })
+  };
 };
 
 const serializeAws_json1_1UpdatePolicyRequest = (
   input: UpdatePolicyRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Content !== undefined) {
-    bodyParams["Content"] = input.Content;
-  }
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.PolicyId !== undefined) {
-    bodyParams["PolicyId"] = input.PolicyId;
-  }
-  return bodyParams;
+  return {
+    ...(input.Content !== undefined && { Content: input.Content }),
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.PolicyId !== undefined && { PolicyId: input.PolicyId })
+  };
 };
 
 const deserializeAws_json1_1AWSOrganizationsNotInUseException = (
diff --git a/clients/client-personalize-events/protocols/Aws_restJson1_1.ts b/clients/client-personalize-events/protocols/Aws_restJson1_1.ts
index fc56b8fa1ccd..dca634b7e8cc 100644
--- a/clients/client-personalize-events/protocols/Aws_restJson1_1.ts
+++ b/clients/client-personalize-events/protocols/Aws_restJson1_1.ts
@@ -131,20 +131,16 @@ const serializeAws_restJson1_1Event = (
   input: Event,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.eventId !== undefined) {
-    bodyParams["eventId"] = input.eventId;
-  }
-  if (input.eventType !== undefined) {
-    bodyParams["eventType"] = input.eventType;
-  }
-  if (input.properties !== undefined) {
-    bodyParams["properties"] = __LazyJsonString.fromObject(input.properties);
-  }
-  if (input.sentAt !== undefined) {
-    bodyParams["sentAt"] = Math.round(input.sentAt.getTime() / 1000);
-  }
-  return bodyParams;
+  return {
+    ...(input.eventId !== undefined && { eventId: input.eventId }),
+    ...(input.eventType !== undefined && { eventType: input.eventType }),
+    ...(input.properties !== undefined && {
+      properties: __LazyJsonString.fromObject(input.properties)
+    }),
+    ...(input.sentAt !== undefined && {
+      sentAt: Math.round(input.sentAt.getTime() / 1000)
+    })
+  };
 };
 
 const serializeAws_restJson1_1EventList = (
diff --git a/clients/client-personalize/protocols/Aws_json1_1.ts b/clients/client-personalize/protocols/Aws_json1_1.ts
index 055c5352a30b..2d492a106278 100644
--- a/clients/client-personalize/protocols/Aws_json1_1.ts
+++ b/clients/client-personalize/protocols/Aws_json1_1.ts
@@ -4103,62 +4103,52 @@ const serializeAws_json1_1AutoMLConfig = (
   input: AutoMLConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.metricName !== undefined) {
-    bodyParams["metricName"] = input.metricName;
-  }
-  if (input.recipeList !== undefined) {
-    bodyParams["recipeList"] = serializeAws_json1_1ArnList(
-      input.recipeList,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.metricName !== undefined && { metricName: input.metricName }),
+    ...(input.recipeList !== undefined && {
+      recipeList: serializeAws_json1_1ArnList(input.recipeList, context)
+    })
+  };
 };
 
 const serializeAws_json1_1BatchInferenceJobInput = (
   input: BatchInferenceJobInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.s3DataSource !== undefined) {
-    bodyParams["s3DataSource"] = serializeAws_json1_1S3DataConfig(
-      input.s3DataSource,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.s3DataSource !== undefined && {
+      s3DataSource: serializeAws_json1_1S3DataConfig(
+        input.s3DataSource,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1BatchInferenceJobOutput = (
   input: BatchInferenceJobOutput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.s3DataDestination !== undefined) {
-    bodyParams["s3DataDestination"] = serializeAws_json1_1S3DataConfig(
-      input.s3DataDestination,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.s3DataDestination !== undefined && {
+      s3DataDestination: serializeAws_json1_1S3DataConfig(
+        input.s3DataDestination,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1CategoricalHyperParameterRange = (
   input: CategoricalHyperParameterRange,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  if (input.values !== undefined) {
-    bodyParams["values"] = serializeAws_json1_1CategoricalValues(
-      input.values,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.name !== undefined && { name: input.name }),
+    ...(input.values !== undefined && {
+      values: serializeAws_json1_1CategoricalValues(input.values, context)
+    })
+  };
 };
 
 const serializeAws_json1_1CategoricalHyperParameterRanges = (
@@ -4181,17 +4171,11 @@ const serializeAws_json1_1ContinuousHyperParameterRange = (
   input: ContinuousHyperParameterRange,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.maxValue !== undefined) {
-    bodyParams["maxValue"] = input.maxValue;
-  }
-  if (input.minValue !== undefined) {
-    bodyParams["minValue"] = input.minValue;
-  }
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  return bodyParams;
+  return {
+    ...(input.maxValue !== undefined && { maxValue: input.maxValue }),
+    ...(input.minValue !== undefined && { minValue: input.minValue }),
+    ...(input.name !== undefined && { name: input.name })
+  };
 };
 
 const serializeAws_json1_1ContinuousHyperParameterRanges = (
@@ -4207,392 +4191,329 @@ const serializeAws_json1_1CreateBatchInferenceJobRequest = (
   input: CreateBatchInferenceJobRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.jobInput !== undefined) {
-    bodyParams["jobInput"] = serializeAws_json1_1BatchInferenceJobInput(
-      input.jobInput,
-      context
-    );
-  }
-  if (input.jobName !== undefined) {
-    bodyParams["jobName"] = input.jobName;
-  }
-  if (input.jobOutput !== undefined) {
-    bodyParams["jobOutput"] = serializeAws_json1_1BatchInferenceJobOutput(
-      input.jobOutput,
-      context
-    );
-  }
-  if (input.numResults !== undefined) {
-    bodyParams["numResults"] = input.numResults;
-  }
-  if (input.roleArn !== undefined) {
-    bodyParams["roleArn"] = input.roleArn;
-  }
-  if (input.solutionVersionArn !== undefined) {
-    bodyParams["solutionVersionArn"] = input.solutionVersionArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.jobInput !== undefined && {
+      jobInput: serializeAws_json1_1BatchInferenceJobInput(
+        input.jobInput,
+        context
+      )
+    }),
+    ...(input.jobName !== undefined && { jobName: input.jobName }),
+    ...(input.jobOutput !== undefined && {
+      jobOutput: serializeAws_json1_1BatchInferenceJobOutput(
+        input.jobOutput,
+        context
+      )
+    }),
+    ...(input.numResults !== undefined && { numResults: input.numResults }),
+    ...(input.roleArn !== undefined && { roleArn: input.roleArn }),
+    ...(input.solutionVersionArn !== undefined && {
+      solutionVersionArn: input.solutionVersionArn
+    })
+  };
 };
 
 const serializeAws_json1_1CreateCampaignRequest = (
   input: CreateCampaignRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.minProvisionedTPS !== undefined) {
-    bodyParams["minProvisionedTPS"] = input.minProvisionedTPS;
-  }
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  if (input.solutionVersionArn !== undefined) {
-    bodyParams["solutionVersionArn"] = input.solutionVersionArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.minProvisionedTPS !== undefined && {
+      minProvisionedTPS: input.minProvisionedTPS
+    }),
+    ...(input.name !== undefined && { name: input.name }),
+    ...(input.solutionVersionArn !== undefined && {
+      solutionVersionArn: input.solutionVersionArn
+    })
+  };
 };
 
 const serializeAws_json1_1CreateDatasetGroupRequest = (
   input: CreateDatasetGroupRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.kmsKeyArn !== undefined) {
-    bodyParams["kmsKeyArn"] = input.kmsKeyArn;
-  }
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  if (input.roleArn !== undefined) {
-    bodyParams["roleArn"] = input.roleArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.kmsKeyArn !== undefined && { kmsKeyArn: input.kmsKeyArn }),
+    ...(input.name !== undefined && { name: input.name }),
+    ...(input.roleArn !== undefined && { roleArn: input.roleArn })
+  };
 };
 
 const serializeAws_json1_1CreateDatasetImportJobRequest = (
   input: CreateDatasetImportJobRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.dataSource !== undefined) {
-    bodyParams["dataSource"] = serializeAws_json1_1DataSource(
-      input.dataSource,
-      context
-    );
-  }
-  if (input.datasetArn !== undefined) {
-    bodyParams["datasetArn"] = input.datasetArn;
-  }
-  if (input.jobName !== undefined) {
-    bodyParams["jobName"] = input.jobName;
-  }
-  if (input.roleArn !== undefined) {
-    bodyParams["roleArn"] = input.roleArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.dataSource !== undefined && {
+      dataSource: serializeAws_json1_1DataSource(input.dataSource, context)
+    }),
+    ...(input.datasetArn !== undefined && { datasetArn: input.datasetArn }),
+    ...(input.jobName !== undefined && { jobName: input.jobName }),
+    ...(input.roleArn !== undefined && { roleArn: input.roleArn })
+  };
 };
 
 const serializeAws_json1_1CreateDatasetRequest = (
   input: CreateDatasetRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.datasetGroupArn !== undefined) {
-    bodyParams["datasetGroupArn"] = input.datasetGroupArn;
-  }
-  if (input.datasetType !== undefined) {
-    bodyParams["datasetType"] = input.datasetType;
-  }
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  if (input.schemaArn !== undefined) {
-    bodyParams["schemaArn"] = input.schemaArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.datasetGroupArn !== undefined && {
+      datasetGroupArn: input.datasetGroupArn
+    }),
+    ...(input.datasetType !== undefined && { datasetType: input.datasetType }),
+    ...(input.name !== undefined && { name: input.name }),
+    ...(input.schemaArn !== undefined && { schemaArn: input.schemaArn })
+  };
 };
 
 const serializeAws_json1_1CreateEventTrackerRequest = (
   input: CreateEventTrackerRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.datasetGroupArn !== undefined) {
-    bodyParams["datasetGroupArn"] = input.datasetGroupArn;
-  }
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  return bodyParams;
+  return {
+    ...(input.datasetGroupArn !== undefined && {
+      datasetGroupArn: input.datasetGroupArn
+    }),
+    ...(input.name !== undefined && { name: input.name })
+  };
 };
 
 const serializeAws_json1_1CreateSchemaRequest = (
   input: CreateSchemaRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  if (input.schema !== undefined) {
-    bodyParams["schema"] = input.schema;
-  }
-  return bodyParams;
+  return {
+    ...(input.name !== undefined && { name: input.name }),
+    ...(input.schema !== undefined && { schema: input.schema })
+  };
 };
 
 const serializeAws_json1_1CreateSolutionRequest = (
   input: CreateSolutionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.datasetGroupArn !== undefined) {
-    bodyParams["datasetGroupArn"] = input.datasetGroupArn;
-  }
-  if (input.eventType !== undefined) {
-    bodyParams["eventType"] = input.eventType;
-  }
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  if (input.performAutoML !== undefined) {
-    bodyParams["performAutoML"] = input.performAutoML;
-  }
-  if (input.performHPO !== undefined) {
-    bodyParams["performHPO"] = input.performHPO;
-  }
-  if (input.recipeArn !== undefined) {
-    bodyParams["recipeArn"] = input.recipeArn;
-  }
-  if (input.solutionConfig !== undefined) {
-    bodyParams["solutionConfig"] = serializeAws_json1_1SolutionConfig(
-      input.solutionConfig,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.datasetGroupArn !== undefined && {
+      datasetGroupArn: input.datasetGroupArn
+    }),
+    ...(input.eventType !== undefined && { eventType: input.eventType }),
+    ...(input.name !== undefined && { name: input.name }),
+    ...(input.performAutoML !== undefined && {
+      performAutoML: input.performAutoML
+    }),
+    ...(input.performHPO !== undefined && { performHPO: input.performHPO }),
+    ...(input.recipeArn !== undefined && { recipeArn: input.recipeArn }),
+    ...(input.solutionConfig !== undefined && {
+      solutionConfig: serializeAws_json1_1SolutionConfig(
+        input.solutionConfig,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1CreateSolutionVersionRequest = (
   input: CreateSolutionVersionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.solutionArn !== undefined) {
-    bodyParams["solutionArn"] = input.solutionArn;
-  }
-  if (input.trainingMode !== undefined) {
-    bodyParams["trainingMode"] = input.trainingMode;
-  }
-  return bodyParams;
+  return {
+    ...(input.solutionArn !== undefined && { solutionArn: input.solutionArn }),
+    ...(input.trainingMode !== undefined && {
+      trainingMode: input.trainingMode
+    })
+  };
 };
 
 const serializeAws_json1_1DataSource = (
   input: DataSource,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.dataLocation !== undefined) {
-    bodyParams["dataLocation"] = input.dataLocation;
-  }
-  return bodyParams;
+  return {
+    ...(input.dataLocation !== undefined && {
+      dataLocation: input.dataLocation
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteCampaignRequest = (
   input: DeleteCampaignRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.campaignArn !== undefined) {
-    bodyParams["campaignArn"] = input.campaignArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.campaignArn !== undefined && { campaignArn: input.campaignArn })
+  };
 };
 
 const serializeAws_json1_1DeleteDatasetGroupRequest = (
   input: DeleteDatasetGroupRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.datasetGroupArn !== undefined) {
-    bodyParams["datasetGroupArn"] = input.datasetGroupArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.datasetGroupArn !== undefined && {
+      datasetGroupArn: input.datasetGroupArn
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteDatasetRequest = (
   input: DeleteDatasetRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.datasetArn !== undefined) {
-    bodyParams["datasetArn"] = input.datasetArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.datasetArn !== undefined && { datasetArn: input.datasetArn })
+  };
 };
 
 const serializeAws_json1_1DeleteEventTrackerRequest = (
   input: DeleteEventTrackerRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.eventTrackerArn !== undefined) {
-    bodyParams["eventTrackerArn"] = input.eventTrackerArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.eventTrackerArn !== undefined && {
+      eventTrackerArn: input.eventTrackerArn
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteSchemaRequest = (
   input: DeleteSchemaRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.schemaArn !== undefined) {
-    bodyParams["schemaArn"] = input.schemaArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.schemaArn !== undefined && { schemaArn: input.schemaArn })
+  };
 };
 
 const serializeAws_json1_1DeleteSolutionRequest = (
   input: DeleteSolutionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.solutionArn !== undefined) {
-    bodyParams["solutionArn"] = input.solutionArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.solutionArn !== undefined && { solutionArn: input.solutionArn })
+  };
 };
 
 const serializeAws_json1_1DescribeAlgorithmRequest = (
   input: DescribeAlgorithmRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.algorithmArn !== undefined) {
-    bodyParams["algorithmArn"] = input.algorithmArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.algorithmArn !== undefined && {
+      algorithmArn: input.algorithmArn
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeBatchInferenceJobRequest = (
   input: DescribeBatchInferenceJobRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.batchInferenceJobArn !== undefined) {
-    bodyParams["batchInferenceJobArn"] = input.batchInferenceJobArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.batchInferenceJobArn !== undefined && {
+      batchInferenceJobArn: input.batchInferenceJobArn
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeCampaignRequest = (
   input: DescribeCampaignRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.campaignArn !== undefined) {
-    bodyParams["campaignArn"] = input.campaignArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.campaignArn !== undefined && { campaignArn: input.campaignArn })
+  };
 };
 
 const serializeAws_json1_1DescribeDatasetGroupRequest = (
   input: DescribeDatasetGroupRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.datasetGroupArn !== undefined) {
-    bodyParams["datasetGroupArn"] = input.datasetGroupArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.datasetGroupArn !== undefined && {
+      datasetGroupArn: input.datasetGroupArn
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeDatasetImportJobRequest = (
   input: DescribeDatasetImportJobRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.datasetImportJobArn !== undefined) {
-    bodyParams["datasetImportJobArn"] = input.datasetImportJobArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.datasetImportJobArn !== undefined && {
+      datasetImportJobArn: input.datasetImportJobArn
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeDatasetRequest = (
   input: DescribeDatasetRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.datasetArn !== undefined) {
-    bodyParams["datasetArn"] = input.datasetArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.datasetArn !== undefined && { datasetArn: input.datasetArn })
+  };
 };
 
 const serializeAws_json1_1DescribeEventTrackerRequest = (
   input: DescribeEventTrackerRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.eventTrackerArn !== undefined) {
-    bodyParams["eventTrackerArn"] = input.eventTrackerArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.eventTrackerArn !== undefined && {
+      eventTrackerArn: input.eventTrackerArn
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeFeatureTransformationRequest = (
   input: DescribeFeatureTransformationRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.featureTransformationArn !== undefined) {
-    bodyParams["featureTransformationArn"] = input.featureTransformationArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.featureTransformationArn !== undefined && {
+      featureTransformationArn: input.featureTransformationArn
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeRecipeRequest = (
   input: DescribeRecipeRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.recipeArn !== undefined) {
-    bodyParams["recipeArn"] = input.recipeArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.recipeArn !== undefined && { recipeArn: input.recipeArn })
+  };
 };
 
 const serializeAws_json1_1DescribeSchemaRequest = (
   input: DescribeSchemaRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.schemaArn !== undefined) {
-    bodyParams["schemaArn"] = input.schemaArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.schemaArn !== undefined && { schemaArn: input.schemaArn })
+  };
 };
 
 const serializeAws_json1_1DescribeSolutionRequest = (
   input: DescribeSolutionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.solutionArn !== undefined) {
-    bodyParams["solutionArn"] = input.solutionArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.solutionArn !== undefined && { solutionArn: input.solutionArn })
+  };
 };
 
 const serializeAws_json1_1DescribeSolutionVersionRequest = (
   input: DescribeSolutionVersionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.solutionVersionArn !== undefined) {
-    bodyParams["solutionVersionArn"] = input.solutionVersionArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.solutionVersionArn !== undefined && {
+      solutionVersionArn: input.solutionVersionArn
+    })
+  };
 };
 
 const serializeAws_json1_1FeatureTransformationParameters = (
@@ -4609,102 +4530,88 @@ const serializeAws_json1_1GetSolutionMetricsRequest = (
   input: GetSolutionMetricsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.solutionVersionArn !== undefined) {
-    bodyParams["solutionVersionArn"] = input.solutionVersionArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.solutionVersionArn !== undefined && {
+      solutionVersionArn: input.solutionVersionArn
+    })
+  };
 };
 
 const serializeAws_json1_1HPOConfig = (
   input: HPOConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.algorithmHyperParameterRanges !== undefined) {
-    bodyParams[
-      "algorithmHyperParameterRanges"
-    ] = serializeAws_json1_1HyperParameterRanges(
-      input.algorithmHyperParameterRanges,
-      context
-    );
-  }
-  if (input.hpoObjective !== undefined) {
-    bodyParams["hpoObjective"] = serializeAws_json1_1HPOObjective(
-      input.hpoObjective,
-      context
-    );
-  }
-  if (input.hpoResourceConfig !== undefined) {
-    bodyParams["hpoResourceConfig"] = serializeAws_json1_1HPOResourceConfig(
-      input.hpoResourceConfig,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.algorithmHyperParameterRanges !== undefined && {
+      algorithmHyperParameterRanges: serializeAws_json1_1HyperParameterRanges(
+        input.algorithmHyperParameterRanges,
+        context
+      )
+    }),
+    ...(input.hpoObjective !== undefined && {
+      hpoObjective: serializeAws_json1_1HPOObjective(
+        input.hpoObjective,
+        context
+      )
+    }),
+    ...(input.hpoResourceConfig !== undefined && {
+      hpoResourceConfig: serializeAws_json1_1HPOResourceConfig(
+        input.hpoResourceConfig,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1HPOObjective = (
   input: HPOObjective,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.metricName !== undefined) {
-    bodyParams["metricName"] = input.metricName;
-  }
-  if (input.metricRegex !== undefined) {
-    bodyParams["metricRegex"] = input.metricRegex;
-  }
-  if (input.type !== undefined) {
-    bodyParams["type"] = input.type;
-  }
-  return bodyParams;
+  return {
+    ...(input.metricName !== undefined && { metricName: input.metricName }),
+    ...(input.metricRegex !== undefined && { metricRegex: input.metricRegex }),
+    ...(input.type !== undefined && { type: input.type })
+  };
 };
 
 const serializeAws_json1_1HPOResourceConfig = (
   input: HPOResourceConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.maxNumberOfTrainingJobs !== undefined) {
-    bodyParams["maxNumberOfTrainingJobs"] = input.maxNumberOfTrainingJobs;
-  }
-  if (input.maxParallelTrainingJobs !== undefined) {
-    bodyParams["maxParallelTrainingJobs"] = input.maxParallelTrainingJobs;
-  }
-  return bodyParams;
+  return {
+    ...(input.maxNumberOfTrainingJobs !== undefined && {
+      maxNumberOfTrainingJobs: input.maxNumberOfTrainingJobs
+    }),
+    ...(input.maxParallelTrainingJobs !== undefined && {
+      maxParallelTrainingJobs: input.maxParallelTrainingJobs
+    })
+  };
 };
 
 const serializeAws_json1_1HyperParameterRanges = (
   input: HyperParameterRanges,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.categoricalHyperParameterRanges !== undefined) {
-    bodyParams[
-      "categoricalHyperParameterRanges"
-    ] = serializeAws_json1_1CategoricalHyperParameterRanges(
-      input.categoricalHyperParameterRanges,
-      context
-    );
-  }
-  if (input.continuousHyperParameterRanges !== undefined) {
-    bodyParams[
-      "continuousHyperParameterRanges"
-    ] = serializeAws_json1_1ContinuousHyperParameterRanges(
-      input.continuousHyperParameterRanges,
-      context
-    );
-  }
-  if (input.integerHyperParameterRanges !== undefined) {
-    bodyParams[
-      "integerHyperParameterRanges"
-    ] = serializeAws_json1_1IntegerHyperParameterRanges(
-      input.integerHyperParameterRanges,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.categoricalHyperParameterRanges !== undefined && {
+      categoricalHyperParameterRanges: serializeAws_json1_1CategoricalHyperParameterRanges(
+        input.categoricalHyperParameterRanges,
+        context
+      )
+    }),
+    ...(input.continuousHyperParameterRanges !== undefined && {
+      continuousHyperParameterRanges: serializeAws_json1_1ContinuousHyperParameterRanges(
+        input.continuousHyperParameterRanges,
+        context
+      )
+    }),
+    ...(input.integerHyperParameterRanges !== undefined && {
+      integerHyperParameterRanges: serializeAws_json1_1IntegerHyperParameterRanges(
+        input.integerHyperParameterRanges,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1HyperParameters = (
@@ -4721,17 +4628,11 @@ const serializeAws_json1_1IntegerHyperParameterRange = (
   input: IntegerHyperParameterRange,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.maxValue !== undefined) {
-    bodyParams["maxValue"] = input.maxValue;
-  }
-  if (input.minValue !== undefined) {
-    bodyParams["minValue"] = input.minValue;
-  }
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  return bodyParams;
+  return {
+    ...(input.maxValue !== undefined && { maxValue: input.maxValue }),
+    ...(input.minValue !== undefined && { minValue: input.minValue }),
+    ...(input.name !== undefined && { name: input.name })
+  };
 };
 
 const serializeAws_json1_1IntegerHyperParameterRanges = (
@@ -4747,234 +4648,175 @@ const serializeAws_json1_1ListBatchInferenceJobsRequest = (
   input: ListBatchInferenceJobsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.maxResults !== undefined) {
-    bodyParams["maxResults"] = input.maxResults;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  if (input.solutionVersionArn !== undefined) {
-    bodyParams["solutionVersionArn"] = input.solutionVersionArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.maxResults !== undefined && { maxResults: input.maxResults }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken }),
+    ...(input.solutionVersionArn !== undefined && {
+      solutionVersionArn: input.solutionVersionArn
+    })
+  };
 };
 
 const serializeAws_json1_1ListCampaignsRequest = (
   input: ListCampaignsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.maxResults !== undefined) {
-    bodyParams["maxResults"] = input.maxResults;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  if (input.solutionArn !== undefined) {
-    bodyParams["solutionArn"] = input.solutionArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.maxResults !== undefined && { maxResults: input.maxResults }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken }),
+    ...(input.solutionArn !== undefined && { solutionArn: input.solutionArn })
+  };
 };
 
 const serializeAws_json1_1ListDatasetGroupsRequest = (
   input: ListDatasetGroupsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.maxResults !== undefined) {
-    bodyParams["maxResults"] = input.maxResults;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.maxResults !== undefined && { maxResults: input.maxResults }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken })
+  };
 };
 
 const serializeAws_json1_1ListDatasetImportJobsRequest = (
   input: ListDatasetImportJobsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.datasetArn !== undefined) {
-    bodyParams["datasetArn"] = input.datasetArn;
-  }
-  if (input.maxResults !== undefined) {
-    bodyParams["maxResults"] = input.maxResults;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.datasetArn !== undefined && { datasetArn: input.datasetArn }),
+    ...(input.maxResults !== undefined && { maxResults: input.maxResults }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken })
+  };
 };
 
 const serializeAws_json1_1ListDatasetsRequest = (
   input: ListDatasetsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.datasetGroupArn !== undefined) {
-    bodyParams["datasetGroupArn"] = input.datasetGroupArn;
-  }
-  if (input.maxResults !== undefined) {
-    bodyParams["maxResults"] = input.maxResults;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.datasetGroupArn !== undefined && {
+      datasetGroupArn: input.datasetGroupArn
+    }),
+    ...(input.maxResults !== undefined && { maxResults: input.maxResults }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken })
+  };
 };
 
 const serializeAws_json1_1ListEventTrackersRequest = (
   input: ListEventTrackersRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.datasetGroupArn !== undefined) {
-    bodyParams["datasetGroupArn"] = input.datasetGroupArn;
-  }
-  if (input.maxResults !== undefined) {
-    bodyParams["maxResults"] = input.maxResults;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.datasetGroupArn !== undefined && {
+      datasetGroupArn: input.datasetGroupArn
+    }),
+    ...(input.maxResults !== undefined && { maxResults: input.maxResults }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken })
+  };
 };
 
 const serializeAws_json1_1ListRecipesRequest = (
   input: ListRecipesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.maxResults !== undefined) {
-    bodyParams["maxResults"] = input.maxResults;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  if (input.recipeProvider !== undefined) {
-    bodyParams["recipeProvider"] = input.recipeProvider;
-  }
-  return bodyParams;
+  return {
+    ...(input.maxResults !== undefined && { maxResults: input.maxResults }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken }),
+    ...(input.recipeProvider !== undefined && {
+      recipeProvider: input.recipeProvider
+    })
+  };
 };
 
 const serializeAws_json1_1ListSchemasRequest = (
   input: ListSchemasRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.maxResults !== undefined) {
-    bodyParams["maxResults"] = input.maxResults;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.maxResults !== undefined && { maxResults: input.maxResults }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken })
+  };
 };
 
 const serializeAws_json1_1ListSolutionVersionsRequest = (
   input: ListSolutionVersionsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.maxResults !== undefined) {
-    bodyParams["maxResults"] = input.maxResults;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  if (input.solutionArn !== undefined) {
-    bodyParams["solutionArn"] = input.solutionArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.maxResults !== undefined && { maxResults: input.maxResults }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken }),
+    ...(input.solutionArn !== undefined && { solutionArn: input.solutionArn })
+  };
 };
 
 const serializeAws_json1_1ListSolutionsRequest = (
   input: ListSolutionsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.datasetGroupArn !== undefined) {
-    bodyParams["datasetGroupArn"] = input.datasetGroupArn;
-  }
-  if (input.maxResults !== undefined) {
-    bodyParams["maxResults"] = input.maxResults;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.datasetGroupArn !== undefined && {
+      datasetGroupArn: input.datasetGroupArn
+    }),
+    ...(input.maxResults !== undefined && { maxResults: input.maxResults }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken })
+  };
 };
 
 const serializeAws_json1_1S3DataConfig = (
   input: S3DataConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.kmsKeyArn !== undefined) {
-    bodyParams["kmsKeyArn"] = input.kmsKeyArn;
-  }
-  if (input.path !== undefined) {
-    bodyParams["path"] = input.path;
-  }
-  return bodyParams;
+  return {
+    ...(input.kmsKeyArn !== undefined && { kmsKeyArn: input.kmsKeyArn }),
+    ...(input.path !== undefined && { path: input.path })
+  };
 };
 
 const serializeAws_json1_1SolutionConfig = (
   input: SolutionConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.algorithmHyperParameters !== undefined) {
-    bodyParams[
-      "algorithmHyperParameters"
-    ] = serializeAws_json1_1HyperParameters(
-      input.algorithmHyperParameters,
-      context
-    );
-  }
-  if (input.autoMLConfig !== undefined) {
-    bodyParams["autoMLConfig"] = serializeAws_json1_1AutoMLConfig(
-      input.autoMLConfig,
-      context
-    );
-  }
-  if (input.eventValueThreshold !== undefined) {
-    bodyParams["eventValueThreshold"] = input.eventValueThreshold;
-  }
-  if (input.featureTransformationParameters !== undefined) {
-    bodyParams[
-      "featureTransformationParameters"
-    ] = serializeAws_json1_1FeatureTransformationParameters(
-      input.featureTransformationParameters,
-      context
-    );
-  }
-  if (input.hpoConfig !== undefined) {
-    bodyParams["hpoConfig"] = serializeAws_json1_1HPOConfig(
-      input.hpoConfig,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.algorithmHyperParameters !== undefined && {
+      algorithmHyperParameters: serializeAws_json1_1HyperParameters(
+        input.algorithmHyperParameters,
+        context
+      )
+    }),
+    ...(input.autoMLConfig !== undefined && {
+      autoMLConfig: serializeAws_json1_1AutoMLConfig(
+        input.autoMLConfig,
+        context
+      )
+    }),
+    ...(input.eventValueThreshold !== undefined && {
+      eventValueThreshold: input.eventValueThreshold
+    }),
+    ...(input.featureTransformationParameters !== undefined && {
+      featureTransformationParameters: serializeAws_json1_1FeatureTransformationParameters(
+        input.featureTransformationParameters,
+        context
+      )
+    }),
+    ...(input.hpoConfig !== undefined && {
+      hpoConfig: serializeAws_json1_1HPOConfig(input.hpoConfig, context)
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateCampaignRequest = (
   input: UpdateCampaignRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.campaignArn !== undefined) {
-    bodyParams["campaignArn"] = input.campaignArn;
-  }
-  if (input.minProvisionedTPS !== undefined) {
-    bodyParams["minProvisionedTPS"] = input.minProvisionedTPS;
-  }
-  if (input.solutionVersionArn !== undefined) {
-    bodyParams["solutionVersionArn"] = input.solutionVersionArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.campaignArn !== undefined && { campaignArn: input.campaignArn }),
+    ...(input.minProvisionedTPS !== undefined && {
+      minProvisionedTPS: input.minProvisionedTPS
+    }),
+    ...(input.solutionVersionArn !== undefined && {
+      solutionVersionArn: input.solutionVersionArn
+    })
+  };
 };
 
 const deserializeAws_json1_1Algorithm = (
diff --git a/clients/client-pi/protocols/Aws_json1_1.ts b/clients/client-pi/protocols/Aws_json1_1.ts
index bc9c28901806..a32b579b4456 100644
--- a/clients/client-pi/protocols/Aws_json1_1.ts
+++ b/clients/client-pi/protocols/Aws_json1_1.ts
@@ -293,128 +293,89 @@ const serializeAws_json1_1DescribeDimensionKeysRequest = (
   input: DescribeDimensionKeysRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EndTime !== undefined) {
-    bodyParams["EndTime"] = Math.round(input.EndTime.getTime() / 1000);
-  }
-  if (input.Filter !== undefined) {
-    bodyParams["Filter"] = serializeAws_json1_1MetricQueryFilterMap(
-      input.Filter,
-      context
-    );
-  }
-  if (input.GroupBy !== undefined) {
-    bodyParams["GroupBy"] = serializeAws_json1_1DimensionGroup(
-      input.GroupBy,
-      context
-    );
-  }
-  if (input.Identifier !== undefined) {
-    bodyParams["Identifier"] = input.Identifier;
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.Metric !== undefined) {
-    bodyParams["Metric"] = input.Metric;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.PartitionBy !== undefined) {
-    bodyParams["PartitionBy"] = serializeAws_json1_1DimensionGroup(
-      input.PartitionBy,
-      context
-    );
-  }
-  if (input.PeriodInSeconds !== undefined) {
-    bodyParams["PeriodInSeconds"] = input.PeriodInSeconds;
-  }
-  if (input.ServiceType !== undefined) {
-    bodyParams["ServiceType"] = input.ServiceType;
-  }
-  if (input.StartTime !== undefined) {
-    bodyParams["StartTime"] = Math.round(input.StartTime.getTime() / 1000);
-  }
-  return bodyParams;
+  return {
+    ...(input.EndTime !== undefined && {
+      EndTime: Math.round(input.EndTime.getTime() / 1000)
+    }),
+    ...(input.Filter !== undefined && {
+      Filter: serializeAws_json1_1MetricQueryFilterMap(input.Filter, context)
+    }),
+    ...(input.GroupBy !== undefined && {
+      GroupBy: serializeAws_json1_1DimensionGroup(input.GroupBy, context)
+    }),
+    ...(input.Identifier !== undefined && { Identifier: input.Identifier }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.Metric !== undefined && { Metric: input.Metric }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.PartitionBy !== undefined && {
+      PartitionBy: serializeAws_json1_1DimensionGroup(
+        input.PartitionBy,
+        context
+      )
+    }),
+    ...(input.PeriodInSeconds !== undefined && {
+      PeriodInSeconds: input.PeriodInSeconds
+    }),
+    ...(input.ServiceType !== undefined && { ServiceType: input.ServiceType }),
+    ...(input.StartTime !== undefined && {
+      StartTime: Math.round(input.StartTime.getTime() / 1000)
+    })
+  };
 };
 
 const serializeAws_json1_1DimensionGroup = (
   input: DimensionGroup,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Dimensions !== undefined) {
-    bodyParams["Dimensions"] = serializeAws_json1_1StringList(
-      input.Dimensions,
-      context
-    );
-  }
-  if (input.Group !== undefined) {
-    bodyParams["Group"] = input.Group;
-  }
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  return bodyParams;
+  return {
+    ...(input.Dimensions !== undefined && {
+      Dimensions: serializeAws_json1_1StringList(input.Dimensions, context)
+    }),
+    ...(input.Group !== undefined && { Group: input.Group }),
+    ...(input.Limit !== undefined && { Limit: input.Limit })
+  };
 };
 
 const serializeAws_json1_1GetResourceMetricsRequest = (
   input: GetResourceMetricsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EndTime !== undefined) {
-    bodyParams["EndTime"] = Math.round(input.EndTime.getTime() / 1000);
-  }
-  if (input.Identifier !== undefined) {
-    bodyParams["Identifier"] = input.Identifier;
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.MetricQueries !== undefined) {
-    bodyParams["MetricQueries"] = serializeAws_json1_1MetricQueryList(
-      input.MetricQueries,
-      context
-    );
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.PeriodInSeconds !== undefined) {
-    bodyParams["PeriodInSeconds"] = input.PeriodInSeconds;
-  }
-  if (input.ServiceType !== undefined) {
-    bodyParams["ServiceType"] = input.ServiceType;
-  }
-  if (input.StartTime !== undefined) {
-    bodyParams["StartTime"] = Math.round(input.StartTime.getTime() / 1000);
-  }
-  return bodyParams;
+  return {
+    ...(input.EndTime !== undefined && {
+      EndTime: Math.round(input.EndTime.getTime() / 1000)
+    }),
+    ...(input.Identifier !== undefined && { Identifier: input.Identifier }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.MetricQueries !== undefined && {
+      MetricQueries: serializeAws_json1_1MetricQueryList(
+        input.MetricQueries,
+        context
+      )
+    }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.PeriodInSeconds !== undefined && {
+      PeriodInSeconds: input.PeriodInSeconds
+    }),
+    ...(input.ServiceType !== undefined && { ServiceType: input.ServiceType }),
+    ...(input.StartTime !== undefined && {
+      StartTime: Math.round(input.StartTime.getTime() / 1000)
+    })
+  };
 };
 
 const serializeAws_json1_1MetricQuery = (
   input: MetricQuery,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Filter !== undefined) {
-    bodyParams["Filter"] = serializeAws_json1_1MetricQueryFilterMap(
-      input.Filter,
-      context
-    );
-  }
-  if (input.GroupBy !== undefined) {
-    bodyParams["GroupBy"] = serializeAws_json1_1DimensionGroup(
-      input.GroupBy,
-      context
-    );
-  }
-  if (input.Metric !== undefined) {
-    bodyParams["Metric"] = input.Metric;
-  }
-  return bodyParams;
+  return {
+    ...(input.Filter !== undefined && {
+      Filter: serializeAws_json1_1MetricQueryFilterMap(input.Filter, context)
+    }),
+    ...(input.GroupBy !== undefined && {
+      GroupBy: serializeAws_json1_1DimensionGroup(input.GroupBy, context)
+    }),
+    ...(input.Metric !== undefined && { Metric: input.Metric })
+  };
 };
 
 const serializeAws_json1_1MetricQueryFilterMap = (
diff --git a/clients/client-pinpoint-email/protocols/Aws_restJson1_1.ts b/clients/client-pinpoint-email/protocols/Aws_restJson1_1.ts
index e37a82395c46..178dfa26b468 100644
--- a/clients/client-pinpoint-email/protocols/Aws_restJson1_1.ts
+++ b/clients/client-pinpoint-email/protocols/Aws_restJson1_1.ts
@@ -5833,14 +5833,10 @@ const serializeAws_restJson1_1Tag = (
   input: Tag,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Key !== undefined) {
-    bodyParams["Key"] = input.Key;
-  }
-  if (input.Value !== undefined) {
-    bodyParams["Value"] = input.Value;
-  }
-  return bodyParams;
+  return {
+    ...(input.Key !== undefined && { Key: input.Key }),
+    ...(input.Value !== undefined && { Value: input.Value })
+  };
 };
 
 const serializeAws_restJson1_1TagList = (
@@ -5854,47 +5850,45 @@ const serializeAws_restJson1_1Body = (
   input: Body,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Html !== undefined) {
-    bodyParams["Html"] = serializeAws_restJson1_1Content(input.Html, context);
-  }
-  if (input.Text !== undefined) {
-    bodyParams["Text"] = serializeAws_restJson1_1Content(input.Text, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.Html !== undefined && {
+      Html: serializeAws_restJson1_1Content(input.Html, context)
+    }),
+    ...(input.Text !== undefined && {
+      Text: serializeAws_restJson1_1Content(input.Text, context)
+    })
+  };
 };
 
 const serializeAws_restJson1_1CloudWatchDestination = (
   input: CloudWatchDestination,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DimensionConfigurations !== undefined) {
-    bodyParams[
-      "DimensionConfigurations"
-    ] = serializeAws_restJson1_1CloudWatchDimensionConfigurations(
-      input.DimensionConfigurations,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.DimensionConfigurations !== undefined && {
+      DimensionConfigurations: serializeAws_restJson1_1CloudWatchDimensionConfigurations(
+        input.DimensionConfigurations,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1CloudWatchDimensionConfiguration = (
   input: CloudWatchDimensionConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DefaultDimensionValue !== undefined) {
-    bodyParams["DefaultDimensionValue"] = input.DefaultDimensionValue;
-  }
-  if (input.DimensionName !== undefined) {
-    bodyParams["DimensionName"] = input.DimensionName;
-  }
-  if (input.DimensionValueSource !== undefined) {
-    bodyParams["DimensionValueSource"] = input.DimensionValueSource;
-  }
-  return bodyParams;
+  return {
+    ...(input.DefaultDimensionValue !== undefined && {
+      DefaultDimensionValue: input.DefaultDimensionValue
+    }),
+    ...(input.DimensionName !== undefined && {
+      DimensionName: input.DimensionName
+    }),
+    ...(input.DimensionValueSource !== undefined && {
+      DimensionValueSource: input.DimensionValueSource
+    })
+  };
 };
 
 const serializeAws_restJson1_1CloudWatchDimensionConfigurations = (
@@ -5910,78 +5904,68 @@ const serializeAws_restJson1_1Content = (
   input: Content,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Charset !== undefined) {
-    bodyParams["Charset"] = input.Charset;
-  }
-  if (input.Data !== undefined) {
-    bodyParams["Data"] = input.Data;
-  }
-  return bodyParams;
+  return {
+    ...(input.Charset !== undefined && { Charset: input.Charset }),
+    ...(input.Data !== undefined && { Data: input.Data })
+  };
 };
 
 const serializeAws_restJson1_1DeliveryOptions = (
   input: DeliveryOptions,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.SendingPoolName !== undefined) {
-    bodyParams["SendingPoolName"] = input.SendingPoolName;
-  }
-  if (input.TlsPolicy !== undefined) {
-    bodyParams["TlsPolicy"] = input.TlsPolicy;
-  }
-  return bodyParams;
+  return {
+    ...(input.SendingPoolName !== undefined && {
+      SendingPoolName: input.SendingPoolName
+    }),
+    ...(input.TlsPolicy !== undefined && { TlsPolicy: input.TlsPolicy })
+  };
 };
 
 const serializeAws_restJson1_1Destination = (
   input: Destination,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.BccAddresses !== undefined) {
-    bodyParams["BccAddresses"] = serializeAws_restJson1_1EmailAddressList(
-      input.BccAddresses,
-      context
-    );
-  }
-  if (input.CcAddresses !== undefined) {
-    bodyParams["CcAddresses"] = serializeAws_restJson1_1EmailAddressList(
-      input.CcAddresses,
-      context
-    );
-  }
-  if (input.ToAddresses !== undefined) {
-    bodyParams["ToAddresses"] = serializeAws_restJson1_1EmailAddressList(
-      input.ToAddresses,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.BccAddresses !== undefined && {
+      BccAddresses: serializeAws_restJson1_1EmailAddressList(
+        input.BccAddresses,
+        context
+      )
+    }),
+    ...(input.CcAddresses !== undefined && {
+      CcAddresses: serializeAws_restJson1_1EmailAddressList(
+        input.CcAddresses,
+        context
+      )
+    }),
+    ...(input.ToAddresses !== undefined && {
+      ToAddresses: serializeAws_restJson1_1EmailAddressList(
+        input.ToAddresses,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1DomainDeliverabilityTrackingOption = (
   input: DomainDeliverabilityTrackingOption,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Domain !== undefined) {
-    bodyParams["Domain"] = input.Domain;
-  }
-  if (input.InboxPlacementTrackingOption !== undefined) {
-    bodyParams[
-      "InboxPlacementTrackingOption"
-    ] = serializeAws_restJson1_1InboxPlacementTrackingOption(
-      input.InboxPlacementTrackingOption,
-      context
-    );
-  }
-  if (input.SubscriptionStartDate !== undefined) {
-    bodyParams["SubscriptionStartDate"] = Math.round(
-      input.SubscriptionStartDate.getTime() / 1000
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Domain !== undefined && { Domain: input.Domain }),
+    ...(input.InboxPlacementTrackingOption !== undefined && {
+      InboxPlacementTrackingOption: serializeAws_restJson1_1InboxPlacementTrackingOption(
+        input.InboxPlacementTrackingOption,
+        context
+      )
+    }),
+    ...(input.SubscriptionStartDate !== undefined && {
+      SubscriptionStartDate: Math.round(
+        input.SubscriptionStartDate.getTime() / 1000
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1DomainDeliverabilityTrackingOptions = (
@@ -6004,70 +5988,56 @@ const serializeAws_restJson1_1EmailContent = (
   input: EmailContent,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Raw !== undefined) {
-    bodyParams["Raw"] = serializeAws_restJson1_1RawMessage(input.Raw, context);
-  }
-  if (input.Simple !== undefined) {
-    bodyParams["Simple"] = serializeAws_restJson1_1Message(
-      input.Simple,
-      context
-    );
-  }
-  if (input.Template !== undefined) {
-    bodyParams["Template"] = serializeAws_restJson1_1Template(
-      input.Template,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Raw !== undefined && {
+      Raw: serializeAws_restJson1_1RawMessage(input.Raw, context)
+    }),
+    ...(input.Simple !== undefined && {
+      Simple: serializeAws_restJson1_1Message(input.Simple, context)
+    }),
+    ...(input.Template !== undefined && {
+      Template: serializeAws_restJson1_1Template(input.Template, context)
+    })
+  };
 };
 
 const serializeAws_restJson1_1EventDestinationDefinition = (
   input: EventDestinationDefinition,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CloudWatchDestination !== undefined) {
-    bodyParams[
-      "CloudWatchDestination"
-    ] = serializeAws_restJson1_1CloudWatchDestination(
-      input.CloudWatchDestination,
-      context
-    );
-  }
-  if (input.Enabled !== undefined) {
-    bodyParams["Enabled"] = input.Enabled;
-  }
-  if (input.KinesisFirehoseDestination !== undefined) {
-    bodyParams[
-      "KinesisFirehoseDestination"
-    ] = serializeAws_restJson1_1KinesisFirehoseDestination(
-      input.KinesisFirehoseDestination,
-      context
-    );
-  }
-  if (input.MatchingEventTypes !== undefined) {
-    bodyParams["MatchingEventTypes"] = serializeAws_restJson1_1EventTypes(
-      input.MatchingEventTypes,
-      context
-    );
-  }
-  if (input.PinpointDestination !== undefined) {
-    bodyParams[
-      "PinpointDestination"
-    ] = serializeAws_restJson1_1PinpointDestination(
-      input.PinpointDestination,
-      context
-    );
-  }
-  if (input.SnsDestination !== undefined) {
-    bodyParams["SnsDestination"] = serializeAws_restJson1_1SnsDestination(
-      input.SnsDestination,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.CloudWatchDestination !== undefined && {
+      CloudWatchDestination: serializeAws_restJson1_1CloudWatchDestination(
+        input.CloudWatchDestination,
+        context
+      )
+    }),
+    ...(input.Enabled !== undefined && { Enabled: input.Enabled }),
+    ...(input.KinesisFirehoseDestination !== undefined && {
+      KinesisFirehoseDestination: serializeAws_restJson1_1KinesisFirehoseDestination(
+        input.KinesisFirehoseDestination,
+        context
+      )
+    }),
+    ...(input.MatchingEventTypes !== undefined && {
+      MatchingEventTypes: serializeAws_restJson1_1EventTypes(
+        input.MatchingEventTypes,
+        context
+      )
+    }),
+    ...(input.PinpointDestination !== undefined && {
+      PinpointDestination: serializeAws_restJson1_1PinpointDestination(
+        input.PinpointDestination,
+        context
+      )
+    }),
+    ...(input.SnsDestination !== undefined && {
+      SnsDestination: serializeAws_restJson1_1SnsDestination(
+        input.SnsDestination,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1EventTypes = (
@@ -6081,17 +6051,15 @@ const serializeAws_restJson1_1InboxPlacementTrackingOption = (
   input: InboxPlacementTrackingOption,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Global !== undefined) {
-    bodyParams["Global"] = input.Global;
-  }
-  if (input.TrackedIsps !== undefined) {
-    bodyParams["TrackedIsps"] = serializeAws_restJson1_1IspNameList(
-      input.TrackedIsps,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Global !== undefined && { Global: input.Global }),
+    ...(input.TrackedIsps !== undefined && {
+      TrackedIsps: serializeAws_restJson1_1IspNameList(
+        input.TrackedIsps,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1IspNameList = (
@@ -6105,45 +6073,36 @@ const serializeAws_restJson1_1KinesisFirehoseDestination = (
   input: KinesisFirehoseDestination,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DeliveryStreamArn !== undefined) {
-    bodyParams["DeliveryStreamArn"] = input.DeliveryStreamArn;
-  }
-  if (input.IamRoleArn !== undefined) {
-    bodyParams["IamRoleArn"] = input.IamRoleArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.DeliveryStreamArn !== undefined && {
+      DeliveryStreamArn: input.DeliveryStreamArn
+    }),
+    ...(input.IamRoleArn !== undefined && { IamRoleArn: input.IamRoleArn })
+  };
 };
 
 const serializeAws_restJson1_1Message = (
   input: Message,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Body !== undefined) {
-    bodyParams["Body"] = serializeAws_restJson1_1Body(input.Body, context);
-  }
-  if (input.Subject !== undefined) {
-    bodyParams["Subject"] = serializeAws_restJson1_1Content(
-      input.Subject,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Body !== undefined && {
+      Body: serializeAws_restJson1_1Body(input.Body, context)
+    }),
+    ...(input.Subject !== undefined && {
+      Subject: serializeAws_restJson1_1Content(input.Subject, context)
+    })
+  };
 };
 
 const serializeAws_restJson1_1MessageTag = (
   input: MessageTag,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.Value !== undefined) {
-    bodyParams["Value"] = input.Value;
-  }
-  return bodyParams;
+  return {
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.Value !== undefined && { Value: input.Value })
+  };
 };
 
 const serializeAws_restJson1_1MessageTagList = (
@@ -6157,85 +6116,77 @@ const serializeAws_restJson1_1PinpointDestination = (
   input: PinpointDestination,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ApplicationArn !== undefined) {
-    bodyParams["ApplicationArn"] = input.ApplicationArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.ApplicationArn !== undefined && {
+      ApplicationArn: input.ApplicationArn
+    })
+  };
 };
 
 const serializeAws_restJson1_1RawMessage = (
   input: RawMessage,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Data !== undefined) {
-    bodyParams["Data"] = context.base64Encoder(input.Data);
-  }
-  return bodyParams;
+  return {
+    ...(input.Data !== undefined && { Data: context.base64Encoder(input.Data) })
+  };
 };
 
 const serializeAws_restJson1_1ReputationOptions = (
   input: ReputationOptions,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.LastFreshStart !== undefined) {
-    bodyParams["LastFreshStart"] = Math.round(
-      input.LastFreshStart.getTime() / 1000
-    );
-  }
-  if (input.ReputationMetricsEnabled !== undefined) {
-    bodyParams["ReputationMetricsEnabled"] = input.ReputationMetricsEnabled;
-  }
-  return bodyParams;
+  return {
+    ...(input.LastFreshStart !== undefined && {
+      LastFreshStart: Math.round(input.LastFreshStart.getTime() / 1000)
+    }),
+    ...(input.ReputationMetricsEnabled !== undefined && {
+      ReputationMetricsEnabled: input.ReputationMetricsEnabled
+    })
+  };
 };
 
 const serializeAws_restJson1_1SendingOptions = (
   input: SendingOptions,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.SendingEnabled !== undefined) {
-    bodyParams["SendingEnabled"] = input.SendingEnabled;
-  }
-  return bodyParams;
+  return {
+    ...(input.SendingEnabled !== undefined && {
+      SendingEnabled: input.SendingEnabled
+    })
+  };
 };
 
 const serializeAws_restJson1_1SnsDestination = (
   input: SnsDestination,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.TopicArn !== undefined) {
-    bodyParams["TopicArn"] = input.TopicArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.TopicArn !== undefined && { TopicArn: input.TopicArn })
+  };
 };
 
 const serializeAws_restJson1_1Template = (
   input: Template,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.TemplateArn !== undefined) {
-    bodyParams["TemplateArn"] = input.TemplateArn;
-  }
-  if (input.TemplateData !== undefined) {
-    bodyParams["TemplateData"] = input.TemplateData;
-  }
-  return bodyParams;
+  return {
+    ...(input.TemplateArn !== undefined && { TemplateArn: input.TemplateArn }),
+    ...(input.TemplateData !== undefined && {
+      TemplateData: input.TemplateData
+    })
+  };
 };
 
 const serializeAws_restJson1_1TrackingOptions = (
   input: TrackingOptions,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CustomRedirectDomain !== undefined) {
-    bodyParams["CustomRedirectDomain"] = input.CustomRedirectDomain;
-  }
-  return bodyParams;
+  return {
+    ...(input.CustomRedirectDomain !== undefined && {
+      CustomRedirectDomain: input.CustomRedirectDomain
+    })
+  };
 };
 
 const deserializeAws_restJson1_1Tag = (
diff --git a/clients/client-pinpoint-sms-voice/protocols/Aws_restJson1_1.ts b/clients/client-pinpoint-sms-voice/protocols/Aws_restJson1_1.ts
index 192eedae776a..fdb41712a00b 100644
--- a/clients/client-pinpoint-sms-voice/protocols/Aws_restJson1_1.ts
+++ b/clients/client-pinpoint-sms-voice/protocols/Aws_restJson1_1.ts
@@ -1267,64 +1267,52 @@ const serializeAws_restJson1_1CallInstructionsMessageType = (
   input: CallInstructionsMessageType,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Text !== undefined) {
-    bodyParams["Text"] = input.Text;
-  }
-  return bodyParams;
+  return {
+    ...(input.Text !== undefined && { Text: input.Text })
+  };
 };
 
 const serializeAws_restJson1_1CloudWatchLogsDestination = (
   input: CloudWatchLogsDestination,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.IamRoleArn !== undefined) {
-    bodyParams["IamRoleArn"] = input.IamRoleArn;
-  }
-  if (input.LogGroupArn !== undefined) {
-    bodyParams["LogGroupArn"] = input.LogGroupArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.IamRoleArn !== undefined && { IamRoleArn: input.IamRoleArn }),
+    ...(input.LogGroupArn !== undefined && { LogGroupArn: input.LogGroupArn })
+  };
 };
 
 const serializeAws_restJson1_1EventDestinationDefinition = (
   input: EventDestinationDefinition,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CloudWatchLogsDestination !== undefined) {
-    bodyParams[
-      "CloudWatchLogsDestination"
-    ] = serializeAws_restJson1_1CloudWatchLogsDestination(
-      input.CloudWatchLogsDestination,
-      context
-    );
-  }
-  if (input.Enabled !== undefined) {
-    bodyParams["Enabled"] = input.Enabled;
-  }
-  if (input.KinesisFirehoseDestination !== undefined) {
-    bodyParams[
-      "KinesisFirehoseDestination"
-    ] = serializeAws_restJson1_1KinesisFirehoseDestination(
-      input.KinesisFirehoseDestination,
-      context
-    );
-  }
-  if (input.MatchingEventTypes !== undefined) {
-    bodyParams["MatchingEventTypes"] = serializeAws_restJson1_1EventTypes(
-      input.MatchingEventTypes,
-      context
-    );
-  }
-  if (input.SnsDestination !== undefined) {
-    bodyParams["SnsDestination"] = serializeAws_restJson1_1SnsDestination(
-      input.SnsDestination,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.CloudWatchLogsDestination !== undefined && {
+      CloudWatchLogsDestination: serializeAws_restJson1_1CloudWatchLogsDestination(
+        input.CloudWatchLogsDestination,
+        context
+      )
+    }),
+    ...(input.Enabled !== undefined && { Enabled: input.Enabled }),
+    ...(input.KinesisFirehoseDestination !== undefined && {
+      KinesisFirehoseDestination: serializeAws_restJson1_1KinesisFirehoseDestination(
+        input.KinesisFirehoseDestination,
+        context
+      )
+    }),
+    ...(input.MatchingEventTypes !== undefined && {
+      MatchingEventTypes: serializeAws_restJson1_1EventTypes(
+        input.MatchingEventTypes,
+        context
+      )
+    }),
+    ...(input.SnsDestination !== undefined && {
+      SnsDestination: serializeAws_restJson1_1SnsDestination(
+        input.SnsDestination,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1EventTypes = (
@@ -1338,89 +1326,73 @@ const serializeAws_restJson1_1KinesisFirehoseDestination = (
   input: KinesisFirehoseDestination,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DeliveryStreamArn !== undefined) {
-    bodyParams["DeliveryStreamArn"] = input.DeliveryStreamArn;
-  }
-  if (input.IamRoleArn !== undefined) {
-    bodyParams["IamRoleArn"] = input.IamRoleArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.DeliveryStreamArn !== undefined && {
+      DeliveryStreamArn: input.DeliveryStreamArn
+    }),
+    ...(input.IamRoleArn !== undefined && { IamRoleArn: input.IamRoleArn })
+  };
 };
 
 const serializeAws_restJson1_1PlainTextMessageType = (
   input: PlainTextMessageType,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.LanguageCode !== undefined) {
-    bodyParams["LanguageCode"] = input.LanguageCode;
-  }
-  if (input.Text !== undefined) {
-    bodyParams["Text"] = input.Text;
-  }
-  if (input.VoiceId !== undefined) {
-    bodyParams["VoiceId"] = input.VoiceId;
-  }
-  return bodyParams;
+  return {
+    ...(input.LanguageCode !== undefined && {
+      LanguageCode: input.LanguageCode
+    }),
+    ...(input.Text !== undefined && { Text: input.Text }),
+    ...(input.VoiceId !== undefined && { VoiceId: input.VoiceId })
+  };
 };
 
 const serializeAws_restJson1_1SSMLMessageType = (
   input: SSMLMessageType,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.LanguageCode !== undefined) {
-    bodyParams["LanguageCode"] = input.LanguageCode;
-  }
-  if (input.Text !== undefined) {
-    bodyParams["Text"] = input.Text;
-  }
-  if (input.VoiceId !== undefined) {
-    bodyParams["VoiceId"] = input.VoiceId;
-  }
-  return bodyParams;
+  return {
+    ...(input.LanguageCode !== undefined && {
+      LanguageCode: input.LanguageCode
+    }),
+    ...(input.Text !== undefined && { Text: input.Text }),
+    ...(input.VoiceId !== undefined && { VoiceId: input.VoiceId })
+  };
 };
 
 const serializeAws_restJson1_1SnsDestination = (
   input: SnsDestination,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.TopicArn !== undefined) {
-    bodyParams["TopicArn"] = input.TopicArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.TopicArn !== undefined && { TopicArn: input.TopicArn })
+  };
 };
 
 const serializeAws_restJson1_1VoiceMessageContent = (
   input: VoiceMessageContent,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CallInstructionsMessage !== undefined) {
-    bodyParams[
-      "CallInstructionsMessage"
-    ] = serializeAws_restJson1_1CallInstructionsMessageType(
-      input.CallInstructionsMessage,
-      context
-    );
-  }
-  if (input.PlainTextMessage !== undefined) {
-    bodyParams[
-      "PlainTextMessage"
-    ] = serializeAws_restJson1_1PlainTextMessageType(
-      input.PlainTextMessage,
-      context
-    );
-  }
-  if (input.SSMLMessage !== undefined) {
-    bodyParams["SSMLMessage"] = serializeAws_restJson1_1SSMLMessageType(
-      input.SSMLMessage,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.CallInstructionsMessage !== undefined && {
+      CallInstructionsMessage: serializeAws_restJson1_1CallInstructionsMessageType(
+        input.CallInstructionsMessage,
+        context
+      )
+    }),
+    ...(input.PlainTextMessage !== undefined && {
+      PlainTextMessage: serializeAws_restJson1_1PlainTextMessageType(
+        input.PlainTextMessage,
+        context
+      )
+    }),
+    ...(input.SSMLMessage !== undefined && {
+      SSMLMessage: serializeAws_restJson1_1SSMLMessageType(
+        input.SSMLMessage,
+        context
+      )
+    })
+  };
 };
 
 const deserializeAws_restJson1_1CloudWatchLogsDestination = (
diff --git a/clients/client-pinpoint/protocols/Aws_restJson1_1.ts b/clients/client-pinpoint/protocols/Aws_restJson1_1.ts
index 7958e53d50e1..032c3a0bed4d 100644
--- a/clients/client-pinpoint/protocols/Aws_restJson1_1.ts
+++ b/clients/client-pinpoint/protocols/Aws_restJson1_1.ts
@@ -17691,1512 +17691,1073 @@ const serializeAws_restJson1_1ADMChannelRequest = (
   input: ADMChannelRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ClientId !== undefined) {
-    bodyParams["ClientId"] = input.ClientId;
-  }
-  if (input.ClientSecret !== undefined) {
-    bodyParams["ClientSecret"] = input.ClientSecret;
-  }
-  if (input.Enabled !== undefined) {
-    bodyParams["Enabled"] = input.Enabled;
-  }
-  return bodyParams;
+  return {
+    ...(input.ClientId !== undefined && { ClientId: input.ClientId }),
+    ...(input.ClientSecret !== undefined && {
+      ClientSecret: input.ClientSecret
+    }),
+    ...(input.Enabled !== undefined && { Enabled: input.Enabled })
+  };
 };
 
 const serializeAws_restJson1_1ADMMessage = (
   input: ADMMessage,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Action !== undefined) {
-    bodyParams["Action"] = input.Action;
-  }
-  if (input.Body !== undefined) {
-    bodyParams["Body"] = input.Body;
-  }
-  if (input.ConsolidationKey !== undefined) {
-    bodyParams["ConsolidationKey"] = input.ConsolidationKey;
-  }
-  if (input.Data !== undefined) {
-    bodyParams["Data"] = serializeAws_restJson1_1MapOf__string(
-      input.Data,
-      context
-    );
-  }
-  if (input.ExpiresAfter !== undefined) {
-    bodyParams["ExpiresAfter"] = input.ExpiresAfter;
-  }
-  if (input.IconReference !== undefined) {
-    bodyParams["IconReference"] = input.IconReference;
-  }
-  if (input.ImageIconUrl !== undefined) {
-    bodyParams["ImageIconUrl"] = input.ImageIconUrl;
-  }
-  if (input.ImageUrl !== undefined) {
-    bodyParams["ImageUrl"] = input.ImageUrl;
-  }
-  if (input.MD5 !== undefined) {
-    bodyParams["MD5"] = input.MD5;
-  }
-  if (input.RawContent !== undefined) {
-    bodyParams["RawContent"] = input.RawContent;
-  }
-  if (input.SilentPush !== undefined) {
-    bodyParams["SilentPush"] = input.SilentPush;
-  }
-  if (input.SmallImageIconUrl !== undefined) {
-    bodyParams["SmallImageIconUrl"] = input.SmallImageIconUrl;
-  }
-  if (input.Sound !== undefined) {
-    bodyParams["Sound"] = input.Sound;
-  }
-  if (input.Substitutions !== undefined) {
-    bodyParams["Substitutions"] = serializeAws_restJson1_1MapOfListOf__string(
-      input.Substitutions,
-      context
-    );
-  }
-  if (input.Title !== undefined) {
-    bodyParams["Title"] = input.Title;
-  }
-  if (input.Url !== undefined) {
-    bodyParams["Url"] = input.Url;
-  }
-  return bodyParams;
+  return {
+    ...(input.Action !== undefined && { Action: input.Action }),
+    ...(input.Body !== undefined && { Body: input.Body }),
+    ...(input.ConsolidationKey !== undefined && {
+      ConsolidationKey: input.ConsolidationKey
+    }),
+    ...(input.Data !== undefined && {
+      Data: serializeAws_restJson1_1MapOf__string(input.Data, context)
+    }),
+    ...(input.ExpiresAfter !== undefined && {
+      ExpiresAfter: input.ExpiresAfter
+    }),
+    ...(input.IconReference !== undefined && {
+      IconReference: input.IconReference
+    }),
+    ...(input.ImageIconUrl !== undefined && {
+      ImageIconUrl: input.ImageIconUrl
+    }),
+    ...(input.ImageUrl !== undefined && { ImageUrl: input.ImageUrl }),
+    ...(input.MD5 !== undefined && { MD5: input.MD5 }),
+    ...(input.RawContent !== undefined && { RawContent: input.RawContent }),
+    ...(input.SilentPush !== undefined && { SilentPush: input.SilentPush }),
+    ...(input.SmallImageIconUrl !== undefined && {
+      SmallImageIconUrl: input.SmallImageIconUrl
+    }),
+    ...(input.Sound !== undefined && { Sound: input.Sound }),
+    ...(input.Substitutions !== undefined && {
+      Substitutions: serializeAws_restJson1_1MapOfListOf__string(
+        input.Substitutions,
+        context
+      )
+    }),
+    ...(input.Title !== undefined && { Title: input.Title }),
+    ...(input.Url !== undefined && { Url: input.Url })
+  };
 };
 
 const serializeAws_restJson1_1APNSChannelRequest = (
   input: APNSChannelRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.BundleId !== undefined) {
-    bodyParams["BundleId"] = input.BundleId;
-  }
-  if (input.Certificate !== undefined) {
-    bodyParams["Certificate"] = input.Certificate;
-  }
-  if (input.DefaultAuthenticationMethod !== undefined) {
-    bodyParams["DefaultAuthenticationMethod"] =
-      input.DefaultAuthenticationMethod;
-  }
-  if (input.Enabled !== undefined) {
-    bodyParams["Enabled"] = input.Enabled;
-  }
-  if (input.PrivateKey !== undefined) {
-    bodyParams["PrivateKey"] = input.PrivateKey;
-  }
-  if (input.TeamId !== undefined) {
-    bodyParams["TeamId"] = input.TeamId;
-  }
-  if (input.TokenKey !== undefined) {
-    bodyParams["TokenKey"] = input.TokenKey;
-  }
-  if (input.TokenKeyId !== undefined) {
-    bodyParams["TokenKeyId"] = input.TokenKeyId;
-  }
-  return bodyParams;
+  return {
+    ...(input.BundleId !== undefined && { BundleId: input.BundleId }),
+    ...(input.Certificate !== undefined && { Certificate: input.Certificate }),
+    ...(input.DefaultAuthenticationMethod !== undefined && {
+      DefaultAuthenticationMethod: input.DefaultAuthenticationMethod
+    }),
+    ...(input.Enabled !== undefined && { Enabled: input.Enabled }),
+    ...(input.PrivateKey !== undefined && { PrivateKey: input.PrivateKey }),
+    ...(input.TeamId !== undefined && { TeamId: input.TeamId }),
+    ...(input.TokenKey !== undefined && { TokenKey: input.TokenKey }),
+    ...(input.TokenKeyId !== undefined && { TokenKeyId: input.TokenKeyId })
+  };
 };
 
 const serializeAws_restJson1_1APNSMessage = (
   input: APNSMessage,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.APNSPushType !== undefined) {
-    bodyParams["APNSPushType"] = input.APNSPushType;
-  }
-  if (input.Action !== undefined) {
-    bodyParams["Action"] = input.Action;
-  }
-  if (input.Badge !== undefined) {
-    bodyParams["Badge"] = input.Badge;
-  }
-  if (input.Body !== undefined) {
-    bodyParams["Body"] = input.Body;
-  }
-  if (input.Category !== undefined) {
-    bodyParams["Category"] = input.Category;
-  }
-  if (input.CollapseId !== undefined) {
-    bodyParams["CollapseId"] = input.CollapseId;
-  }
-  if (input.Data !== undefined) {
-    bodyParams["Data"] = serializeAws_restJson1_1MapOf__string(
-      input.Data,
-      context
-    );
-  }
-  if (input.MediaUrl !== undefined) {
-    bodyParams["MediaUrl"] = input.MediaUrl;
-  }
-  if (input.PreferredAuthenticationMethod !== undefined) {
-    bodyParams["PreferredAuthenticationMethod"] =
-      input.PreferredAuthenticationMethod;
-  }
-  if (input.Priority !== undefined) {
-    bodyParams["Priority"] = input.Priority;
-  }
-  if (input.RawContent !== undefined) {
-    bodyParams["RawContent"] = input.RawContent;
-  }
-  if (input.SilentPush !== undefined) {
-    bodyParams["SilentPush"] = input.SilentPush;
-  }
-  if (input.Sound !== undefined) {
-    bodyParams["Sound"] = input.Sound;
-  }
-  if (input.Substitutions !== undefined) {
-    bodyParams["Substitutions"] = serializeAws_restJson1_1MapOfListOf__string(
-      input.Substitutions,
-      context
-    );
-  }
-  if (input.ThreadId !== undefined) {
-    bodyParams["ThreadId"] = input.ThreadId;
-  }
-  if (input.TimeToLive !== undefined) {
-    bodyParams["TimeToLive"] = input.TimeToLive;
-  }
-  if (input.Title !== undefined) {
-    bodyParams["Title"] = input.Title;
-  }
-  if (input.Url !== undefined) {
-    bodyParams["Url"] = input.Url;
-  }
-  return bodyParams;
+  return {
+    ...(input.APNSPushType !== undefined && {
+      APNSPushType: input.APNSPushType
+    }),
+    ...(input.Action !== undefined && { Action: input.Action }),
+    ...(input.Badge !== undefined && { Badge: input.Badge }),
+    ...(input.Body !== undefined && { Body: input.Body }),
+    ...(input.Category !== undefined && { Category: input.Category }),
+    ...(input.CollapseId !== undefined && { CollapseId: input.CollapseId }),
+    ...(input.Data !== undefined && {
+      Data: serializeAws_restJson1_1MapOf__string(input.Data, context)
+    }),
+    ...(input.MediaUrl !== undefined && { MediaUrl: input.MediaUrl }),
+    ...(input.PreferredAuthenticationMethod !== undefined && {
+      PreferredAuthenticationMethod: input.PreferredAuthenticationMethod
+    }),
+    ...(input.Priority !== undefined && { Priority: input.Priority }),
+    ...(input.RawContent !== undefined && { RawContent: input.RawContent }),
+    ...(input.SilentPush !== undefined && { SilentPush: input.SilentPush }),
+    ...(input.Sound !== undefined && { Sound: input.Sound }),
+    ...(input.Substitutions !== undefined && {
+      Substitutions: serializeAws_restJson1_1MapOfListOf__string(
+        input.Substitutions,
+        context
+      )
+    }),
+    ...(input.ThreadId !== undefined && { ThreadId: input.ThreadId }),
+    ...(input.TimeToLive !== undefined && { TimeToLive: input.TimeToLive }),
+    ...(input.Title !== undefined && { Title: input.Title }),
+    ...(input.Url !== undefined && { Url: input.Url })
+  };
 };
 
 const serializeAws_restJson1_1APNSPushNotificationTemplate = (
   input: APNSPushNotificationTemplate,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Action !== undefined) {
-    bodyParams["Action"] = input.Action;
-  }
-  if (input.Body !== undefined) {
-    bodyParams["Body"] = input.Body;
-  }
-  if (input.MediaUrl !== undefined) {
-    bodyParams["MediaUrl"] = input.MediaUrl;
-  }
-  if (input.RawContent !== undefined) {
-    bodyParams["RawContent"] = input.RawContent;
-  }
-  if (input.Sound !== undefined) {
-    bodyParams["Sound"] = input.Sound;
-  }
-  if (input.Title !== undefined) {
-    bodyParams["Title"] = input.Title;
-  }
-  if (input.Url !== undefined) {
-    bodyParams["Url"] = input.Url;
-  }
-  return bodyParams;
+  return {
+    ...(input.Action !== undefined && { Action: input.Action }),
+    ...(input.Body !== undefined && { Body: input.Body }),
+    ...(input.MediaUrl !== undefined && { MediaUrl: input.MediaUrl }),
+    ...(input.RawContent !== undefined && { RawContent: input.RawContent }),
+    ...(input.Sound !== undefined && { Sound: input.Sound }),
+    ...(input.Title !== undefined && { Title: input.Title }),
+    ...(input.Url !== undefined && { Url: input.Url })
+  };
 };
 
 const serializeAws_restJson1_1APNSSandboxChannelRequest = (
   input: APNSSandboxChannelRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.BundleId !== undefined) {
-    bodyParams["BundleId"] = input.BundleId;
-  }
-  if (input.Certificate !== undefined) {
-    bodyParams["Certificate"] = input.Certificate;
-  }
-  if (input.DefaultAuthenticationMethod !== undefined) {
-    bodyParams["DefaultAuthenticationMethod"] =
-      input.DefaultAuthenticationMethod;
-  }
-  if (input.Enabled !== undefined) {
-    bodyParams["Enabled"] = input.Enabled;
-  }
-  if (input.PrivateKey !== undefined) {
-    bodyParams["PrivateKey"] = input.PrivateKey;
-  }
-  if (input.TeamId !== undefined) {
-    bodyParams["TeamId"] = input.TeamId;
-  }
-  if (input.TokenKey !== undefined) {
-    bodyParams["TokenKey"] = input.TokenKey;
-  }
-  if (input.TokenKeyId !== undefined) {
-    bodyParams["TokenKeyId"] = input.TokenKeyId;
-  }
-  return bodyParams;
+  return {
+    ...(input.BundleId !== undefined && { BundleId: input.BundleId }),
+    ...(input.Certificate !== undefined && { Certificate: input.Certificate }),
+    ...(input.DefaultAuthenticationMethod !== undefined && {
+      DefaultAuthenticationMethod: input.DefaultAuthenticationMethod
+    }),
+    ...(input.Enabled !== undefined && { Enabled: input.Enabled }),
+    ...(input.PrivateKey !== undefined && { PrivateKey: input.PrivateKey }),
+    ...(input.TeamId !== undefined && { TeamId: input.TeamId }),
+    ...(input.TokenKey !== undefined && { TokenKey: input.TokenKey }),
+    ...(input.TokenKeyId !== undefined && { TokenKeyId: input.TokenKeyId })
+  };
 };
 
 const serializeAws_restJson1_1APNSVoipChannelRequest = (
   input: APNSVoipChannelRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.BundleId !== undefined) {
-    bodyParams["BundleId"] = input.BundleId;
-  }
-  if (input.Certificate !== undefined) {
-    bodyParams["Certificate"] = input.Certificate;
-  }
-  if (input.DefaultAuthenticationMethod !== undefined) {
-    bodyParams["DefaultAuthenticationMethod"] =
-      input.DefaultAuthenticationMethod;
-  }
-  if (input.Enabled !== undefined) {
-    bodyParams["Enabled"] = input.Enabled;
-  }
-  if (input.PrivateKey !== undefined) {
-    bodyParams["PrivateKey"] = input.PrivateKey;
-  }
-  if (input.TeamId !== undefined) {
-    bodyParams["TeamId"] = input.TeamId;
-  }
-  if (input.TokenKey !== undefined) {
-    bodyParams["TokenKey"] = input.TokenKey;
-  }
-  if (input.TokenKeyId !== undefined) {
-    bodyParams["TokenKeyId"] = input.TokenKeyId;
-  }
-  return bodyParams;
+  return {
+    ...(input.BundleId !== undefined && { BundleId: input.BundleId }),
+    ...(input.Certificate !== undefined && { Certificate: input.Certificate }),
+    ...(input.DefaultAuthenticationMethod !== undefined && {
+      DefaultAuthenticationMethod: input.DefaultAuthenticationMethod
+    }),
+    ...(input.Enabled !== undefined && { Enabled: input.Enabled }),
+    ...(input.PrivateKey !== undefined && { PrivateKey: input.PrivateKey }),
+    ...(input.TeamId !== undefined && { TeamId: input.TeamId }),
+    ...(input.TokenKey !== undefined && { TokenKey: input.TokenKey }),
+    ...(input.TokenKeyId !== undefined && { TokenKeyId: input.TokenKeyId })
+  };
 };
 
 const serializeAws_restJson1_1APNSVoipSandboxChannelRequest = (
   input: APNSVoipSandboxChannelRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.BundleId !== undefined) {
-    bodyParams["BundleId"] = input.BundleId;
-  }
-  if (input.Certificate !== undefined) {
-    bodyParams["Certificate"] = input.Certificate;
-  }
-  if (input.DefaultAuthenticationMethod !== undefined) {
-    bodyParams["DefaultAuthenticationMethod"] =
-      input.DefaultAuthenticationMethod;
-  }
-  if (input.Enabled !== undefined) {
-    bodyParams["Enabled"] = input.Enabled;
-  }
-  if (input.PrivateKey !== undefined) {
-    bodyParams["PrivateKey"] = input.PrivateKey;
-  }
-  if (input.TeamId !== undefined) {
-    bodyParams["TeamId"] = input.TeamId;
-  }
-  if (input.TokenKey !== undefined) {
-    bodyParams["TokenKey"] = input.TokenKey;
-  }
-  if (input.TokenKeyId !== undefined) {
-    bodyParams["TokenKeyId"] = input.TokenKeyId;
-  }
-  return bodyParams;
+  return {
+    ...(input.BundleId !== undefined && { BundleId: input.BundleId }),
+    ...(input.Certificate !== undefined && { Certificate: input.Certificate }),
+    ...(input.DefaultAuthenticationMethod !== undefined && {
+      DefaultAuthenticationMethod: input.DefaultAuthenticationMethod
+    }),
+    ...(input.Enabled !== undefined && { Enabled: input.Enabled }),
+    ...(input.PrivateKey !== undefined && { PrivateKey: input.PrivateKey }),
+    ...(input.TeamId !== undefined && { TeamId: input.TeamId }),
+    ...(input.TokenKey !== undefined && { TokenKey: input.TokenKey }),
+    ...(input.TokenKeyId !== undefined && { TokenKeyId: input.TokenKeyId })
+  };
 };
 
 const serializeAws_restJson1_1Activity = (
   input: Activity,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ConditionalSplit !== undefined) {
-    bodyParams[
-      "ConditionalSplit"
-    ] = serializeAws_restJson1_1ConditionalSplitActivity(
-      input.ConditionalSplit,
-      context
-    );
-  }
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.EMAIL !== undefined) {
-    bodyParams["EMAIL"] = serializeAws_restJson1_1EmailMessageActivity(
-      input.EMAIL,
-      context
-    );
-  }
-  if (input.Holdout !== undefined) {
-    bodyParams["Holdout"] = serializeAws_restJson1_1HoldoutActivity(
-      input.Holdout,
-      context
-    );
-  }
-  if (input.MultiCondition !== undefined) {
-    bodyParams[
-      "MultiCondition"
-    ] = serializeAws_restJson1_1MultiConditionalSplitActivity(
-      input.MultiCondition,
-      context
-    );
-  }
-  if (input.RandomSplit !== undefined) {
-    bodyParams["RandomSplit"] = serializeAws_restJson1_1RandomSplitActivity(
-      input.RandomSplit,
-      context
-    );
-  }
-  if (input.Wait !== undefined) {
-    bodyParams["Wait"] = serializeAws_restJson1_1WaitActivity(
-      input.Wait,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ConditionalSplit !== undefined && {
+      ConditionalSplit: serializeAws_restJson1_1ConditionalSplitActivity(
+        input.ConditionalSplit,
+        context
+      )
+    }),
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.EMAIL !== undefined && {
+      EMAIL: serializeAws_restJson1_1EmailMessageActivity(input.EMAIL, context)
+    }),
+    ...(input.Holdout !== undefined && {
+      Holdout: serializeAws_restJson1_1HoldoutActivity(input.Holdout, context)
+    }),
+    ...(input.MultiCondition !== undefined && {
+      MultiCondition: serializeAws_restJson1_1MultiConditionalSplitActivity(
+        input.MultiCondition,
+        context
+      )
+    }),
+    ...(input.RandomSplit !== undefined && {
+      RandomSplit: serializeAws_restJson1_1RandomSplitActivity(
+        input.RandomSplit,
+        context
+      )
+    }),
+    ...(input.Wait !== undefined && {
+      Wait: serializeAws_restJson1_1WaitActivity(input.Wait, context)
+    })
+  };
 };
 
 const serializeAws_restJson1_1AddressConfiguration = (
   input: AddressConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.BodyOverride !== undefined) {
-    bodyParams["BodyOverride"] = input.BodyOverride;
-  }
-  if (input.ChannelType !== undefined) {
-    bodyParams["ChannelType"] = input.ChannelType;
-  }
-  if (input.Context !== undefined) {
-    bodyParams["Context"] = serializeAws_restJson1_1MapOf__string(
-      input.Context,
-      context
-    );
-  }
-  if (input.RawContent !== undefined) {
-    bodyParams["RawContent"] = input.RawContent;
-  }
-  if (input.Substitutions !== undefined) {
-    bodyParams["Substitutions"] = serializeAws_restJson1_1MapOfListOf__string(
-      input.Substitutions,
-      context
-    );
-  }
-  if (input.TitleOverride !== undefined) {
-    bodyParams["TitleOverride"] = input.TitleOverride;
-  }
-  return bodyParams;
+  return {
+    ...(input.BodyOverride !== undefined && {
+      BodyOverride: input.BodyOverride
+    }),
+    ...(input.ChannelType !== undefined && { ChannelType: input.ChannelType }),
+    ...(input.Context !== undefined && {
+      Context: serializeAws_restJson1_1MapOf__string(input.Context, context)
+    }),
+    ...(input.RawContent !== undefined && { RawContent: input.RawContent }),
+    ...(input.Substitutions !== undefined && {
+      Substitutions: serializeAws_restJson1_1MapOfListOf__string(
+        input.Substitutions,
+        context
+      )
+    }),
+    ...(input.TitleOverride !== undefined && {
+      TitleOverride: input.TitleOverride
+    })
+  };
 };
 
 const serializeAws_restJson1_1AndroidPushNotificationTemplate = (
   input: AndroidPushNotificationTemplate,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Action !== undefined) {
-    bodyParams["Action"] = input.Action;
-  }
-  if (input.Body !== undefined) {
-    bodyParams["Body"] = input.Body;
-  }
-  if (input.ImageIconUrl !== undefined) {
-    bodyParams["ImageIconUrl"] = input.ImageIconUrl;
-  }
-  if (input.ImageUrl !== undefined) {
-    bodyParams["ImageUrl"] = input.ImageUrl;
-  }
-  if (input.RawContent !== undefined) {
-    bodyParams["RawContent"] = input.RawContent;
-  }
-  if (input.SmallImageIconUrl !== undefined) {
-    bodyParams["SmallImageIconUrl"] = input.SmallImageIconUrl;
-  }
-  if (input.Sound !== undefined) {
-    bodyParams["Sound"] = input.Sound;
-  }
-  if (input.Title !== undefined) {
-    bodyParams["Title"] = input.Title;
-  }
-  if (input.Url !== undefined) {
-    bodyParams["Url"] = input.Url;
-  }
-  return bodyParams;
+  return {
+    ...(input.Action !== undefined && { Action: input.Action }),
+    ...(input.Body !== undefined && { Body: input.Body }),
+    ...(input.ImageIconUrl !== undefined && {
+      ImageIconUrl: input.ImageIconUrl
+    }),
+    ...(input.ImageUrl !== undefined && { ImageUrl: input.ImageUrl }),
+    ...(input.RawContent !== undefined && { RawContent: input.RawContent }),
+    ...(input.SmallImageIconUrl !== undefined && {
+      SmallImageIconUrl: input.SmallImageIconUrl
+    }),
+    ...(input.Sound !== undefined && { Sound: input.Sound }),
+    ...(input.Title !== undefined && { Title: input.Title }),
+    ...(input.Url !== undefined && { Url: input.Url })
+  };
 };
 
 const serializeAws_restJson1_1AttributeDimension = (
   input: AttributeDimension,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AttributeType !== undefined) {
-    bodyParams["AttributeType"] = input.AttributeType;
-  }
-  if (input.Values !== undefined) {
-    bodyParams["Values"] = serializeAws_restJson1_1ListOf__string(
-      input.Values,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.AttributeType !== undefined && {
+      AttributeType: input.AttributeType
+    }),
+    ...(input.Values !== undefined && {
+      Values: serializeAws_restJson1_1ListOf__string(input.Values, context)
+    })
+  };
 };
 
 const serializeAws_restJson1_1BaiduChannelRequest = (
   input: BaiduChannelRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ApiKey !== undefined) {
-    bodyParams["ApiKey"] = input.ApiKey;
-  }
-  if (input.Enabled !== undefined) {
-    bodyParams["Enabled"] = input.Enabled;
-  }
-  if (input.SecretKey !== undefined) {
-    bodyParams["SecretKey"] = input.SecretKey;
-  }
-  return bodyParams;
+  return {
+    ...(input.ApiKey !== undefined && { ApiKey: input.ApiKey }),
+    ...(input.Enabled !== undefined && { Enabled: input.Enabled }),
+    ...(input.SecretKey !== undefined && { SecretKey: input.SecretKey })
+  };
 };
 
 const serializeAws_restJson1_1BaiduMessage = (
   input: BaiduMessage,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Action !== undefined) {
-    bodyParams["Action"] = input.Action;
-  }
-  if (input.Body !== undefined) {
-    bodyParams["Body"] = input.Body;
-  }
-  if (input.Data !== undefined) {
-    bodyParams["Data"] = serializeAws_restJson1_1MapOf__string(
-      input.Data,
-      context
-    );
-  }
-  if (input.IconReference !== undefined) {
-    bodyParams["IconReference"] = input.IconReference;
-  }
-  if (input.ImageIconUrl !== undefined) {
-    bodyParams["ImageIconUrl"] = input.ImageIconUrl;
-  }
-  if (input.ImageUrl !== undefined) {
-    bodyParams["ImageUrl"] = input.ImageUrl;
-  }
-  if (input.RawContent !== undefined) {
-    bodyParams["RawContent"] = input.RawContent;
-  }
-  if (input.SilentPush !== undefined) {
-    bodyParams["SilentPush"] = input.SilentPush;
-  }
-  if (input.SmallImageIconUrl !== undefined) {
-    bodyParams["SmallImageIconUrl"] = input.SmallImageIconUrl;
-  }
-  if (input.Sound !== undefined) {
-    bodyParams["Sound"] = input.Sound;
-  }
-  if (input.Substitutions !== undefined) {
-    bodyParams["Substitutions"] = serializeAws_restJson1_1MapOfListOf__string(
-      input.Substitutions,
-      context
-    );
-  }
-  if (input.TimeToLive !== undefined) {
-    bodyParams["TimeToLive"] = input.TimeToLive;
-  }
-  if (input.Title !== undefined) {
-    bodyParams["Title"] = input.Title;
-  }
-  if (input.Url !== undefined) {
-    bodyParams["Url"] = input.Url;
-  }
-  return bodyParams;
+  return {
+    ...(input.Action !== undefined && { Action: input.Action }),
+    ...(input.Body !== undefined && { Body: input.Body }),
+    ...(input.Data !== undefined && {
+      Data: serializeAws_restJson1_1MapOf__string(input.Data, context)
+    }),
+    ...(input.IconReference !== undefined && {
+      IconReference: input.IconReference
+    }),
+    ...(input.ImageIconUrl !== undefined && {
+      ImageIconUrl: input.ImageIconUrl
+    }),
+    ...(input.ImageUrl !== undefined && { ImageUrl: input.ImageUrl }),
+    ...(input.RawContent !== undefined && { RawContent: input.RawContent }),
+    ...(input.SilentPush !== undefined && { SilentPush: input.SilentPush }),
+    ...(input.SmallImageIconUrl !== undefined && {
+      SmallImageIconUrl: input.SmallImageIconUrl
+    }),
+    ...(input.Sound !== undefined && { Sound: input.Sound }),
+    ...(input.Substitutions !== undefined && {
+      Substitutions: serializeAws_restJson1_1MapOfListOf__string(
+        input.Substitutions,
+        context
+      )
+    }),
+    ...(input.TimeToLive !== undefined && { TimeToLive: input.TimeToLive }),
+    ...(input.Title !== undefined && { Title: input.Title }),
+    ...(input.Url !== undefined && { Url: input.Url })
+  };
 };
 
 const serializeAws_restJson1_1CampaignEmailMessage = (
   input: CampaignEmailMessage,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Body !== undefined) {
-    bodyParams["Body"] = input.Body;
-  }
-  if (input.FromAddress !== undefined) {
-    bodyParams["FromAddress"] = input.FromAddress;
-  }
-  if (input.HtmlBody !== undefined) {
-    bodyParams["HtmlBody"] = input.HtmlBody;
-  }
-  if (input.Title !== undefined) {
-    bodyParams["Title"] = input.Title;
-  }
-  return bodyParams;
+  return {
+    ...(input.Body !== undefined && { Body: input.Body }),
+    ...(input.FromAddress !== undefined && { FromAddress: input.FromAddress }),
+    ...(input.HtmlBody !== undefined && { HtmlBody: input.HtmlBody }),
+    ...(input.Title !== undefined && { Title: input.Title })
+  };
 };
 
 const serializeAws_restJson1_1CampaignEventFilter = (
   input: CampaignEventFilter,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Dimensions !== undefined) {
-    bodyParams["Dimensions"] = serializeAws_restJson1_1EventDimensions(
-      input.Dimensions,
-      context
-    );
-  }
-  if (input.FilterType !== undefined) {
-    bodyParams["FilterType"] = input.FilterType;
-  }
-  return bodyParams;
+  return {
+    ...(input.Dimensions !== undefined && {
+      Dimensions: serializeAws_restJson1_1EventDimensions(
+        input.Dimensions,
+        context
+      )
+    }),
+    ...(input.FilterType !== undefined && { FilterType: input.FilterType })
+  };
 };
 
 const serializeAws_restJson1_1CampaignHook = (
   input: CampaignHook,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.LambdaFunctionName !== undefined) {
-    bodyParams["LambdaFunctionName"] = input.LambdaFunctionName;
-  }
-  if (input.Mode !== undefined) {
-    bodyParams["Mode"] = input.Mode;
-  }
-  if (input.WebUrl !== undefined) {
-    bodyParams["WebUrl"] = input.WebUrl;
-  }
-  return bodyParams;
+  return {
+    ...(input.LambdaFunctionName !== undefined && {
+      LambdaFunctionName: input.LambdaFunctionName
+    }),
+    ...(input.Mode !== undefined && { Mode: input.Mode }),
+    ...(input.WebUrl !== undefined && { WebUrl: input.WebUrl })
+  };
 };
 
 const serializeAws_restJson1_1CampaignLimits = (
   input: CampaignLimits,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Daily !== undefined) {
-    bodyParams["Daily"] = input.Daily;
-  }
-  if (input.MaximumDuration !== undefined) {
-    bodyParams["MaximumDuration"] = input.MaximumDuration;
-  }
-  if (input.MessagesPerSecond !== undefined) {
-    bodyParams["MessagesPerSecond"] = input.MessagesPerSecond;
-  }
-  if (input.Total !== undefined) {
-    bodyParams["Total"] = input.Total;
-  }
-  return bodyParams;
+  return {
+    ...(input.Daily !== undefined && { Daily: input.Daily }),
+    ...(input.MaximumDuration !== undefined && {
+      MaximumDuration: input.MaximumDuration
+    }),
+    ...(input.MessagesPerSecond !== undefined && {
+      MessagesPerSecond: input.MessagesPerSecond
+    }),
+    ...(input.Total !== undefined && { Total: input.Total })
+  };
 };
 
 const serializeAws_restJson1_1CampaignSmsMessage = (
   input: CampaignSmsMessage,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Body !== undefined) {
-    bodyParams["Body"] = input.Body;
-  }
-  if (input.MessageType !== undefined) {
-    bodyParams["MessageType"] = input.MessageType;
-  }
-  if (input.SenderId !== undefined) {
-    bodyParams["SenderId"] = input.SenderId;
-  }
-  return bodyParams;
+  return {
+    ...(input.Body !== undefined && { Body: input.Body }),
+    ...(input.MessageType !== undefined && { MessageType: input.MessageType }),
+    ...(input.SenderId !== undefined && { SenderId: input.SenderId })
+  };
 };
 
 const serializeAws_restJson1_1Condition = (
   input: Condition,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Conditions !== undefined) {
-    bodyParams["Conditions"] = serializeAws_restJson1_1ListOfSimpleCondition(
-      input.Conditions,
-      context
-    );
-  }
-  if (input.Operator !== undefined) {
-    bodyParams["Operator"] = input.Operator;
-  }
-  return bodyParams;
+  return {
+    ...(input.Conditions !== undefined && {
+      Conditions: serializeAws_restJson1_1ListOfSimpleCondition(
+        input.Conditions,
+        context
+      )
+    }),
+    ...(input.Operator !== undefined && { Operator: input.Operator })
+  };
 };
 
 const serializeAws_restJson1_1ConditionalSplitActivity = (
   input: ConditionalSplitActivity,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Condition !== undefined) {
-    bodyParams["Condition"] = serializeAws_restJson1_1Condition(
-      input.Condition,
-      context
-    );
-  }
-  if (input.EvaluationWaitTime !== undefined) {
-    bodyParams["EvaluationWaitTime"] = serializeAws_restJson1_1WaitTime(
-      input.EvaluationWaitTime,
-      context
-    );
-  }
-  if (input.FalseActivity !== undefined) {
-    bodyParams["FalseActivity"] = input.FalseActivity;
-  }
-  if (input.TrueActivity !== undefined) {
-    bodyParams["TrueActivity"] = input.TrueActivity;
-  }
-  return bodyParams;
+  return {
+    ...(input.Condition !== undefined && {
+      Condition: serializeAws_restJson1_1Condition(input.Condition, context)
+    }),
+    ...(input.EvaluationWaitTime !== undefined && {
+      EvaluationWaitTime: serializeAws_restJson1_1WaitTime(
+        input.EvaluationWaitTime,
+        context
+      )
+    }),
+    ...(input.FalseActivity !== undefined && {
+      FalseActivity: input.FalseActivity
+    }),
+    ...(input.TrueActivity !== undefined && {
+      TrueActivity: input.TrueActivity
+    })
+  };
 };
 
 const serializeAws_restJson1_1CreateApplicationRequest = (
   input: CreateApplicationRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.tags !== undefined) {
-    bodyParams["tags"] = serializeAws_restJson1_1MapOf__string(
-      input.tags,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.tags !== undefined && {
+      tags: serializeAws_restJson1_1MapOf__string(input.tags, context)
+    })
+  };
 };
 
 const serializeAws_restJson1_1DefaultMessage = (
   input: DefaultMessage,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Body !== undefined) {
-    bodyParams["Body"] = input.Body;
-  }
-  if (input.Substitutions !== undefined) {
-    bodyParams["Substitutions"] = serializeAws_restJson1_1MapOfListOf__string(
-      input.Substitutions,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Body !== undefined && { Body: input.Body }),
+    ...(input.Substitutions !== undefined && {
+      Substitutions: serializeAws_restJson1_1MapOfListOf__string(
+        input.Substitutions,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1DefaultPushNotificationMessage = (
   input: DefaultPushNotificationMessage,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Action !== undefined) {
-    bodyParams["Action"] = input.Action;
-  }
-  if (input.Body !== undefined) {
-    bodyParams["Body"] = input.Body;
-  }
-  if (input.Data !== undefined) {
-    bodyParams["Data"] = serializeAws_restJson1_1MapOf__string(
-      input.Data,
-      context
-    );
-  }
-  if (input.SilentPush !== undefined) {
-    bodyParams["SilentPush"] = input.SilentPush;
-  }
-  if (input.Substitutions !== undefined) {
-    bodyParams["Substitutions"] = serializeAws_restJson1_1MapOfListOf__string(
-      input.Substitutions,
-      context
-    );
-  }
-  if (input.Title !== undefined) {
-    bodyParams["Title"] = input.Title;
-  }
-  if (input.Url !== undefined) {
-    bodyParams["Url"] = input.Url;
-  }
-  return bodyParams;
+  return {
+    ...(input.Action !== undefined && { Action: input.Action }),
+    ...(input.Body !== undefined && { Body: input.Body }),
+    ...(input.Data !== undefined && {
+      Data: serializeAws_restJson1_1MapOf__string(input.Data, context)
+    }),
+    ...(input.SilentPush !== undefined && { SilentPush: input.SilentPush }),
+    ...(input.Substitutions !== undefined && {
+      Substitutions: serializeAws_restJson1_1MapOfListOf__string(
+        input.Substitutions,
+        context
+      )
+    }),
+    ...(input.Title !== undefined && { Title: input.Title }),
+    ...(input.Url !== undefined && { Url: input.Url })
+  };
 };
 
 const serializeAws_restJson1_1DefaultPushNotificationTemplate = (
   input: DefaultPushNotificationTemplate,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Action !== undefined) {
-    bodyParams["Action"] = input.Action;
-  }
-  if (input.Body !== undefined) {
-    bodyParams["Body"] = input.Body;
-  }
-  if (input.Sound !== undefined) {
-    bodyParams["Sound"] = input.Sound;
-  }
-  if (input.Title !== undefined) {
-    bodyParams["Title"] = input.Title;
-  }
-  if (input.Url !== undefined) {
-    bodyParams["Url"] = input.Url;
-  }
-  return bodyParams;
+  return {
+    ...(input.Action !== undefined && { Action: input.Action }),
+    ...(input.Body !== undefined && { Body: input.Body }),
+    ...(input.Sound !== undefined && { Sound: input.Sound }),
+    ...(input.Title !== undefined && { Title: input.Title }),
+    ...(input.Url !== undefined && { Url: input.Url })
+  };
 };
 
 const serializeAws_restJson1_1DirectMessageConfiguration = (
   input: DirectMessageConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ADMMessage !== undefined) {
-    bodyParams["ADMMessage"] = serializeAws_restJson1_1ADMMessage(
-      input.ADMMessage,
-      context
-    );
-  }
-  if (input.APNSMessage !== undefined) {
-    bodyParams["APNSMessage"] = serializeAws_restJson1_1APNSMessage(
-      input.APNSMessage,
-      context
-    );
-  }
-  if (input.BaiduMessage !== undefined) {
-    bodyParams["BaiduMessage"] = serializeAws_restJson1_1BaiduMessage(
-      input.BaiduMessage,
-      context
-    );
-  }
-  if (input.DefaultMessage !== undefined) {
-    bodyParams["DefaultMessage"] = serializeAws_restJson1_1DefaultMessage(
-      input.DefaultMessage,
-      context
-    );
-  }
-  if (input.DefaultPushNotificationMessage !== undefined) {
-    bodyParams[
-      "DefaultPushNotificationMessage"
-    ] = serializeAws_restJson1_1DefaultPushNotificationMessage(
-      input.DefaultPushNotificationMessage,
-      context
-    );
-  }
-  if (input.EmailMessage !== undefined) {
-    bodyParams["EmailMessage"] = serializeAws_restJson1_1EmailMessage(
-      input.EmailMessage,
-      context
-    );
-  }
-  if (input.GCMMessage !== undefined) {
-    bodyParams["GCMMessage"] = serializeAws_restJson1_1GCMMessage(
-      input.GCMMessage,
-      context
-    );
-  }
-  if (input.SMSMessage !== undefined) {
-    bodyParams["SMSMessage"] = serializeAws_restJson1_1SMSMessage(
-      input.SMSMessage,
-      context
-    );
-  }
-  if (input.VoiceMessage !== undefined) {
-    bodyParams["VoiceMessage"] = serializeAws_restJson1_1VoiceMessage(
-      input.VoiceMessage,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ADMMessage !== undefined && {
+      ADMMessage: serializeAws_restJson1_1ADMMessage(input.ADMMessage, context)
+    }),
+    ...(input.APNSMessage !== undefined && {
+      APNSMessage: serializeAws_restJson1_1APNSMessage(
+        input.APNSMessage,
+        context
+      )
+    }),
+    ...(input.BaiduMessage !== undefined && {
+      BaiduMessage: serializeAws_restJson1_1BaiduMessage(
+        input.BaiduMessage,
+        context
+      )
+    }),
+    ...(input.DefaultMessage !== undefined && {
+      DefaultMessage: serializeAws_restJson1_1DefaultMessage(
+        input.DefaultMessage,
+        context
+      )
+    }),
+    ...(input.DefaultPushNotificationMessage !== undefined && {
+      DefaultPushNotificationMessage: serializeAws_restJson1_1DefaultPushNotificationMessage(
+        input.DefaultPushNotificationMessage,
+        context
+      )
+    }),
+    ...(input.EmailMessage !== undefined && {
+      EmailMessage: serializeAws_restJson1_1EmailMessage(
+        input.EmailMessage,
+        context
+      )
+    }),
+    ...(input.GCMMessage !== undefined && {
+      GCMMessage: serializeAws_restJson1_1GCMMessage(input.GCMMessage, context)
+    }),
+    ...(input.SMSMessage !== undefined && {
+      SMSMessage: serializeAws_restJson1_1SMSMessage(input.SMSMessage, context)
+    }),
+    ...(input.VoiceMessage !== undefined && {
+      VoiceMessage: serializeAws_restJson1_1VoiceMessage(
+        input.VoiceMessage,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1EmailChannelRequest = (
   input: EmailChannelRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ConfigurationSet !== undefined) {
-    bodyParams["ConfigurationSet"] = input.ConfigurationSet;
-  }
-  if (input.Enabled !== undefined) {
-    bodyParams["Enabled"] = input.Enabled;
-  }
-  if (input.FromAddress !== undefined) {
-    bodyParams["FromAddress"] = input.FromAddress;
-  }
-  if (input.Identity !== undefined) {
-    bodyParams["Identity"] = input.Identity;
-  }
-  if (input.RoleArn !== undefined) {
-    bodyParams["RoleArn"] = input.RoleArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.ConfigurationSet !== undefined && {
+      ConfigurationSet: input.ConfigurationSet
+    }),
+    ...(input.Enabled !== undefined && { Enabled: input.Enabled }),
+    ...(input.FromAddress !== undefined && { FromAddress: input.FromAddress }),
+    ...(input.Identity !== undefined && { Identity: input.Identity }),
+    ...(input.RoleArn !== undefined && { RoleArn: input.RoleArn })
+  };
 };
 
 const serializeAws_restJson1_1EmailMessage = (
   input: EmailMessage,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Body !== undefined) {
-    bodyParams["Body"] = input.Body;
-  }
-  if (input.FeedbackForwardingAddress !== undefined) {
-    bodyParams["FeedbackForwardingAddress"] = input.FeedbackForwardingAddress;
-  }
-  if (input.FromAddress !== undefined) {
-    bodyParams["FromAddress"] = input.FromAddress;
-  }
-  if (input.RawEmail !== undefined) {
-    bodyParams["RawEmail"] = serializeAws_restJson1_1RawEmail(
-      input.RawEmail,
-      context
-    );
-  }
-  if (input.ReplyToAddresses !== undefined) {
-    bodyParams["ReplyToAddresses"] = serializeAws_restJson1_1ListOf__string(
-      input.ReplyToAddresses,
-      context
-    );
-  }
-  if (input.SimpleEmail !== undefined) {
-    bodyParams["SimpleEmail"] = serializeAws_restJson1_1SimpleEmail(
-      input.SimpleEmail,
-      context
-    );
-  }
-  if (input.Substitutions !== undefined) {
-    bodyParams["Substitutions"] = serializeAws_restJson1_1MapOfListOf__string(
-      input.Substitutions,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Body !== undefined && { Body: input.Body }),
+    ...(input.FeedbackForwardingAddress !== undefined && {
+      FeedbackForwardingAddress: input.FeedbackForwardingAddress
+    }),
+    ...(input.FromAddress !== undefined && { FromAddress: input.FromAddress }),
+    ...(input.RawEmail !== undefined && {
+      RawEmail: serializeAws_restJson1_1RawEmail(input.RawEmail, context)
+    }),
+    ...(input.ReplyToAddresses !== undefined && {
+      ReplyToAddresses: serializeAws_restJson1_1ListOf__string(
+        input.ReplyToAddresses,
+        context
+      )
+    }),
+    ...(input.SimpleEmail !== undefined && {
+      SimpleEmail: serializeAws_restJson1_1SimpleEmail(
+        input.SimpleEmail,
+        context
+      )
+    }),
+    ...(input.Substitutions !== undefined && {
+      Substitutions: serializeAws_restJson1_1MapOfListOf__string(
+        input.Substitutions,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1EmailMessageActivity = (
   input: EmailMessageActivity,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MessageConfig !== undefined) {
-    bodyParams["MessageConfig"] = serializeAws_restJson1_1JourneyEmailMessage(
-      input.MessageConfig,
-      context
-    );
-  }
-  if (input.NextActivity !== undefined) {
-    bodyParams["NextActivity"] = input.NextActivity;
-  }
-  if (input.TemplateName !== undefined) {
-    bodyParams["TemplateName"] = input.TemplateName;
-  }
-  if (input.TemplateVersion !== undefined) {
-    bodyParams["TemplateVersion"] = input.TemplateVersion;
-  }
-  return bodyParams;
+  return {
+    ...(input.MessageConfig !== undefined && {
+      MessageConfig: serializeAws_restJson1_1JourneyEmailMessage(
+        input.MessageConfig,
+        context
+      )
+    }),
+    ...(input.NextActivity !== undefined && {
+      NextActivity: input.NextActivity
+    }),
+    ...(input.TemplateName !== undefined && {
+      TemplateName: input.TemplateName
+    }),
+    ...(input.TemplateVersion !== undefined && {
+      TemplateVersion: input.TemplateVersion
+    })
+  };
 };
 
 const serializeAws_restJson1_1EmailTemplateRequest = (
   input: EmailTemplateRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DefaultSubstitutions !== undefined) {
-    bodyParams["DefaultSubstitutions"] = input.DefaultSubstitutions;
-  }
-  if (input.HtmlPart !== undefined) {
-    bodyParams["HtmlPart"] = input.HtmlPart;
-  }
-  if (input.Subject !== undefined) {
-    bodyParams["Subject"] = input.Subject;
-  }
-  if (input.TemplateDescription !== undefined) {
-    bodyParams["TemplateDescription"] = input.TemplateDescription;
-  }
-  if (input.TextPart !== undefined) {
-    bodyParams["TextPart"] = input.TextPart;
-  }
-  if (input.tags !== undefined) {
-    bodyParams["tags"] = serializeAws_restJson1_1MapOf__string(
-      input.tags,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.DefaultSubstitutions !== undefined && {
+      DefaultSubstitutions: input.DefaultSubstitutions
+    }),
+    ...(input.HtmlPart !== undefined && { HtmlPart: input.HtmlPart }),
+    ...(input.Subject !== undefined && { Subject: input.Subject }),
+    ...(input.TemplateDescription !== undefined && {
+      TemplateDescription: input.TemplateDescription
+    }),
+    ...(input.TextPart !== undefined && { TextPart: input.TextPart }),
+    ...(input.tags !== undefined && {
+      tags: serializeAws_restJson1_1MapOf__string(input.tags, context)
+    })
+  };
 };
 
 const serializeAws_restJson1_1EndpointBatchItem = (
   input: EndpointBatchItem,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Address !== undefined) {
-    bodyParams["Address"] = input.Address;
-  }
-  if (input.Attributes !== undefined) {
-    bodyParams["Attributes"] = serializeAws_restJson1_1MapOfListOf__string(
-      input.Attributes,
-      context
-    );
-  }
-  if (input.ChannelType !== undefined) {
-    bodyParams["ChannelType"] = input.ChannelType;
-  }
-  if (input.Demographic !== undefined) {
-    bodyParams["Demographic"] = serializeAws_restJson1_1EndpointDemographic(
-      input.Demographic,
-      context
-    );
-  }
-  if (input.EffectiveDate !== undefined) {
-    bodyParams["EffectiveDate"] = input.EffectiveDate;
-  }
-  if (input.EndpointStatus !== undefined) {
-    bodyParams["EndpointStatus"] = input.EndpointStatus;
-  }
-  if (input.Id !== undefined) {
-    bodyParams["Id"] = input.Id;
-  }
-  if (input.Location !== undefined) {
-    bodyParams["Location"] = serializeAws_restJson1_1EndpointLocation(
-      input.Location,
-      context
-    );
-  }
-  if (input.Metrics !== undefined) {
-    bodyParams["Metrics"] = serializeAws_restJson1_1MapOf__double(
-      input.Metrics,
-      context
-    );
-  }
-  if (input.OptOut !== undefined) {
-    bodyParams["OptOut"] = input.OptOut;
-  }
-  if (input.RequestId !== undefined) {
-    bodyParams["RequestId"] = input.RequestId;
-  }
-  if (input.User !== undefined) {
-    bodyParams["User"] = serializeAws_restJson1_1EndpointUser(
-      input.User,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Address !== undefined && { Address: input.Address }),
+    ...(input.Attributes !== undefined && {
+      Attributes: serializeAws_restJson1_1MapOfListOf__string(
+        input.Attributes,
+        context
+      )
+    }),
+    ...(input.ChannelType !== undefined && { ChannelType: input.ChannelType }),
+    ...(input.Demographic !== undefined && {
+      Demographic: serializeAws_restJson1_1EndpointDemographic(
+        input.Demographic,
+        context
+      )
+    }),
+    ...(input.EffectiveDate !== undefined && {
+      EffectiveDate: input.EffectiveDate
+    }),
+    ...(input.EndpointStatus !== undefined && {
+      EndpointStatus: input.EndpointStatus
+    }),
+    ...(input.Id !== undefined && { Id: input.Id }),
+    ...(input.Location !== undefined && {
+      Location: serializeAws_restJson1_1EndpointLocation(
+        input.Location,
+        context
+      )
+    }),
+    ...(input.Metrics !== undefined && {
+      Metrics: serializeAws_restJson1_1MapOf__double(input.Metrics, context)
+    }),
+    ...(input.OptOut !== undefined && { OptOut: input.OptOut }),
+    ...(input.RequestId !== undefined && { RequestId: input.RequestId }),
+    ...(input.User !== undefined && {
+      User: serializeAws_restJson1_1EndpointUser(input.User, context)
+    })
+  };
 };
 
 const serializeAws_restJson1_1EndpointBatchRequest = (
   input: EndpointBatchRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Item !== undefined) {
-    bodyParams["Item"] = serializeAws_restJson1_1ListOfEndpointBatchItem(
-      input.Item,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Item !== undefined && {
+      Item: serializeAws_restJson1_1ListOfEndpointBatchItem(input.Item, context)
+    })
+  };
 };
 
 const serializeAws_restJson1_1EndpointDemographic = (
   input: EndpointDemographic,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AppVersion !== undefined) {
-    bodyParams["AppVersion"] = input.AppVersion;
-  }
-  if (input.Locale !== undefined) {
-    bodyParams["Locale"] = input.Locale;
-  }
-  if (input.Make !== undefined) {
-    bodyParams["Make"] = input.Make;
-  }
-  if (input.Model !== undefined) {
-    bodyParams["Model"] = input.Model;
-  }
-  if (input.ModelVersion !== undefined) {
-    bodyParams["ModelVersion"] = input.ModelVersion;
-  }
-  if (input.Platform !== undefined) {
-    bodyParams["Platform"] = input.Platform;
-  }
-  if (input.PlatformVersion !== undefined) {
-    bodyParams["PlatformVersion"] = input.PlatformVersion;
-  }
-  if (input.Timezone !== undefined) {
-    bodyParams["Timezone"] = input.Timezone;
-  }
-  return bodyParams;
+  return {
+    ...(input.AppVersion !== undefined && { AppVersion: input.AppVersion }),
+    ...(input.Locale !== undefined && { Locale: input.Locale }),
+    ...(input.Make !== undefined && { Make: input.Make }),
+    ...(input.Model !== undefined && { Model: input.Model }),
+    ...(input.ModelVersion !== undefined && {
+      ModelVersion: input.ModelVersion
+    }),
+    ...(input.Platform !== undefined && { Platform: input.Platform }),
+    ...(input.PlatformVersion !== undefined && {
+      PlatformVersion: input.PlatformVersion
+    }),
+    ...(input.Timezone !== undefined && { Timezone: input.Timezone })
+  };
 };
 
 const serializeAws_restJson1_1EndpointLocation = (
   input: EndpointLocation,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.City !== undefined) {
-    bodyParams["City"] = input.City;
-  }
-  if (input.Country !== undefined) {
-    bodyParams["Country"] = input.Country;
-  }
-  if (input.Latitude !== undefined) {
-    bodyParams["Latitude"] = input.Latitude;
-  }
-  if (input.Longitude !== undefined) {
-    bodyParams["Longitude"] = input.Longitude;
-  }
-  if (input.PostalCode !== undefined) {
-    bodyParams["PostalCode"] = input.PostalCode;
-  }
-  if (input.Region !== undefined) {
-    bodyParams["Region"] = input.Region;
-  }
-  return bodyParams;
+  return {
+    ...(input.City !== undefined && { City: input.City }),
+    ...(input.Country !== undefined && { Country: input.Country }),
+    ...(input.Latitude !== undefined && { Latitude: input.Latitude }),
+    ...(input.Longitude !== undefined && { Longitude: input.Longitude }),
+    ...(input.PostalCode !== undefined && { PostalCode: input.PostalCode }),
+    ...(input.Region !== undefined && { Region: input.Region })
+  };
 };
 
 const serializeAws_restJson1_1EndpointRequest = (
   input: EndpointRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Address !== undefined) {
-    bodyParams["Address"] = input.Address;
-  }
-  if (input.Attributes !== undefined) {
-    bodyParams["Attributes"] = serializeAws_restJson1_1MapOfListOf__string(
-      input.Attributes,
-      context
-    );
-  }
-  if (input.ChannelType !== undefined) {
-    bodyParams["ChannelType"] = input.ChannelType;
-  }
-  if (input.Demographic !== undefined) {
-    bodyParams["Demographic"] = serializeAws_restJson1_1EndpointDemographic(
-      input.Demographic,
-      context
-    );
-  }
-  if (input.EffectiveDate !== undefined) {
-    bodyParams["EffectiveDate"] = input.EffectiveDate;
-  }
-  if (input.EndpointStatus !== undefined) {
-    bodyParams["EndpointStatus"] = input.EndpointStatus;
-  }
-  if (input.Location !== undefined) {
-    bodyParams["Location"] = serializeAws_restJson1_1EndpointLocation(
-      input.Location,
-      context
-    );
-  }
-  if (input.Metrics !== undefined) {
-    bodyParams["Metrics"] = serializeAws_restJson1_1MapOf__double(
-      input.Metrics,
-      context
-    );
-  }
-  if (input.OptOut !== undefined) {
-    bodyParams["OptOut"] = input.OptOut;
-  }
-  if (input.RequestId !== undefined) {
-    bodyParams["RequestId"] = input.RequestId;
-  }
-  if (input.User !== undefined) {
-    bodyParams["User"] = serializeAws_restJson1_1EndpointUser(
-      input.User,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Address !== undefined && { Address: input.Address }),
+    ...(input.Attributes !== undefined && {
+      Attributes: serializeAws_restJson1_1MapOfListOf__string(
+        input.Attributes,
+        context
+      )
+    }),
+    ...(input.ChannelType !== undefined && { ChannelType: input.ChannelType }),
+    ...(input.Demographic !== undefined && {
+      Demographic: serializeAws_restJson1_1EndpointDemographic(
+        input.Demographic,
+        context
+      )
+    }),
+    ...(input.EffectiveDate !== undefined && {
+      EffectiveDate: input.EffectiveDate
+    }),
+    ...(input.EndpointStatus !== undefined && {
+      EndpointStatus: input.EndpointStatus
+    }),
+    ...(input.Location !== undefined && {
+      Location: serializeAws_restJson1_1EndpointLocation(
+        input.Location,
+        context
+      )
+    }),
+    ...(input.Metrics !== undefined && {
+      Metrics: serializeAws_restJson1_1MapOf__double(input.Metrics, context)
+    }),
+    ...(input.OptOut !== undefined && { OptOut: input.OptOut }),
+    ...(input.RequestId !== undefined && { RequestId: input.RequestId }),
+    ...(input.User !== undefined && {
+      User: serializeAws_restJson1_1EndpointUser(input.User, context)
+    })
+  };
 };
 
 const serializeAws_restJson1_1EndpointSendConfiguration = (
   input: EndpointSendConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.BodyOverride !== undefined) {
-    bodyParams["BodyOverride"] = input.BodyOverride;
-  }
-  if (input.Context !== undefined) {
-    bodyParams["Context"] = serializeAws_restJson1_1MapOf__string(
-      input.Context,
-      context
-    );
-  }
-  if (input.RawContent !== undefined) {
-    bodyParams["RawContent"] = input.RawContent;
-  }
-  if (input.Substitutions !== undefined) {
-    bodyParams["Substitutions"] = serializeAws_restJson1_1MapOfListOf__string(
-      input.Substitutions,
-      context
-    );
-  }
-  if (input.TitleOverride !== undefined) {
-    bodyParams["TitleOverride"] = input.TitleOverride;
-  }
-  return bodyParams;
+  return {
+    ...(input.BodyOverride !== undefined && {
+      BodyOverride: input.BodyOverride
+    }),
+    ...(input.Context !== undefined && {
+      Context: serializeAws_restJson1_1MapOf__string(input.Context, context)
+    }),
+    ...(input.RawContent !== undefined && { RawContent: input.RawContent }),
+    ...(input.Substitutions !== undefined && {
+      Substitutions: serializeAws_restJson1_1MapOfListOf__string(
+        input.Substitutions,
+        context
+      )
+    }),
+    ...(input.TitleOverride !== undefined && {
+      TitleOverride: input.TitleOverride
+    })
+  };
 };
 
 const serializeAws_restJson1_1EndpointUser = (
   input: EndpointUser,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.UserAttributes !== undefined) {
-    bodyParams["UserAttributes"] = serializeAws_restJson1_1MapOfListOf__string(
-      input.UserAttributes,
-      context
-    );
-  }
-  if (input.UserId !== undefined) {
-    bodyParams["UserId"] = input.UserId;
-  }
-  return bodyParams;
+  return {
+    ...(input.UserAttributes !== undefined && {
+      UserAttributes: serializeAws_restJson1_1MapOfListOf__string(
+        input.UserAttributes,
+        context
+      )
+    }),
+    ...(input.UserId !== undefined && { UserId: input.UserId })
+  };
 };
 
 const serializeAws_restJson1_1Event = (
   input: Event,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AppPackageName !== undefined) {
-    bodyParams["AppPackageName"] = input.AppPackageName;
-  }
-  if (input.AppTitle !== undefined) {
-    bodyParams["AppTitle"] = input.AppTitle;
-  }
-  if (input.AppVersionCode !== undefined) {
-    bodyParams["AppVersionCode"] = input.AppVersionCode;
-  }
-  if (input.Attributes !== undefined) {
-    bodyParams["Attributes"] = serializeAws_restJson1_1MapOf__string(
-      input.Attributes,
-      context
-    );
-  }
-  if (input.ClientSdkVersion !== undefined) {
-    bodyParams["ClientSdkVersion"] = input.ClientSdkVersion;
-  }
-  if (input.EventType !== undefined) {
-    bodyParams["EventType"] = input.EventType;
-  }
-  if (input.Metrics !== undefined) {
-    bodyParams["Metrics"] = serializeAws_restJson1_1MapOf__double(
-      input.Metrics,
-      context
-    );
-  }
-  if (input.SdkName !== undefined) {
-    bodyParams["SdkName"] = input.SdkName;
-  }
-  if (input.Session !== undefined) {
-    bodyParams["Session"] = serializeAws_restJson1_1Session(
-      input.Session,
-      context
-    );
-  }
-  if (input.Timestamp !== undefined) {
-    bodyParams["Timestamp"] = input.Timestamp;
-  }
-  return bodyParams;
+  return {
+    ...(input.AppPackageName !== undefined && {
+      AppPackageName: input.AppPackageName
+    }),
+    ...(input.AppTitle !== undefined && { AppTitle: input.AppTitle }),
+    ...(input.AppVersionCode !== undefined && {
+      AppVersionCode: input.AppVersionCode
+    }),
+    ...(input.Attributes !== undefined && {
+      Attributes: serializeAws_restJson1_1MapOf__string(
+        input.Attributes,
+        context
+      )
+    }),
+    ...(input.ClientSdkVersion !== undefined && {
+      ClientSdkVersion: input.ClientSdkVersion
+    }),
+    ...(input.EventType !== undefined && { EventType: input.EventType }),
+    ...(input.Metrics !== undefined && {
+      Metrics: serializeAws_restJson1_1MapOf__double(input.Metrics, context)
+    }),
+    ...(input.SdkName !== undefined && { SdkName: input.SdkName }),
+    ...(input.Session !== undefined && {
+      Session: serializeAws_restJson1_1Session(input.Session, context)
+    }),
+    ...(input.Timestamp !== undefined && { Timestamp: input.Timestamp })
+  };
 };
 
 const serializeAws_restJson1_1EventCondition = (
   input: EventCondition,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Dimensions !== undefined) {
-    bodyParams["Dimensions"] = serializeAws_restJson1_1EventDimensions(
-      input.Dimensions,
-      context
-    );
-  }
-  if (input.MessageActivity !== undefined) {
-    bodyParams["MessageActivity"] = input.MessageActivity;
-  }
-  return bodyParams;
+  return {
+    ...(input.Dimensions !== undefined && {
+      Dimensions: serializeAws_restJson1_1EventDimensions(
+        input.Dimensions,
+        context
+      )
+    }),
+    ...(input.MessageActivity !== undefined && {
+      MessageActivity: input.MessageActivity
+    })
+  };
 };
 
 const serializeAws_restJson1_1EventDimensions = (
   input: EventDimensions,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Attributes !== undefined) {
-    bodyParams["Attributes"] = serializeAws_restJson1_1MapOfAttributeDimension(
-      input.Attributes,
-      context
-    );
-  }
-  if (input.EventType !== undefined) {
-    bodyParams["EventType"] = serializeAws_restJson1_1SetDimension(
-      input.EventType,
-      context
-    );
-  }
-  if (input.Metrics !== undefined) {
-    bodyParams["Metrics"] = serializeAws_restJson1_1MapOfMetricDimension(
-      input.Metrics,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Attributes !== undefined && {
+      Attributes: serializeAws_restJson1_1MapOfAttributeDimension(
+        input.Attributes,
+        context
+      )
+    }),
+    ...(input.EventType !== undefined && {
+      EventType: serializeAws_restJson1_1SetDimension(input.EventType, context)
+    }),
+    ...(input.Metrics !== undefined && {
+      Metrics: serializeAws_restJson1_1MapOfMetricDimension(
+        input.Metrics,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1EventsBatch = (
   input: EventsBatch,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Endpoint !== undefined) {
-    bodyParams["Endpoint"] = serializeAws_restJson1_1PublicEndpoint(
-      input.Endpoint,
-      context
-    );
-  }
-  if (input.Events !== undefined) {
-    bodyParams["Events"] = serializeAws_restJson1_1MapOfEvent(
-      input.Events,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Endpoint !== undefined && {
+      Endpoint: serializeAws_restJson1_1PublicEndpoint(input.Endpoint, context)
+    }),
+    ...(input.Events !== undefined && {
+      Events: serializeAws_restJson1_1MapOfEvent(input.Events, context)
+    })
+  };
 };
 
 const serializeAws_restJson1_1EventsRequest = (
   input: EventsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.BatchItem !== undefined) {
-    bodyParams["BatchItem"] = serializeAws_restJson1_1MapOfEventsBatch(
-      input.BatchItem,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.BatchItem !== undefined && {
+      BatchItem: serializeAws_restJson1_1MapOfEventsBatch(
+        input.BatchItem,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1ExportJobRequest = (
   input: ExportJobRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.RoleArn !== undefined) {
-    bodyParams["RoleArn"] = input.RoleArn;
-  }
-  if (input.S3UrlPrefix !== undefined) {
-    bodyParams["S3UrlPrefix"] = input.S3UrlPrefix;
-  }
-  if (input.SegmentId !== undefined) {
-    bodyParams["SegmentId"] = input.SegmentId;
-  }
-  if (input.SegmentVersion !== undefined) {
-    bodyParams["SegmentVersion"] = input.SegmentVersion;
-  }
-  return bodyParams;
+  return {
+    ...(input.RoleArn !== undefined && { RoleArn: input.RoleArn }),
+    ...(input.S3UrlPrefix !== undefined && { S3UrlPrefix: input.S3UrlPrefix }),
+    ...(input.SegmentId !== undefined && { SegmentId: input.SegmentId }),
+    ...(input.SegmentVersion !== undefined && {
+      SegmentVersion: input.SegmentVersion
+    })
+  };
 };
 
 const serializeAws_restJson1_1GCMChannelRequest = (
   input: GCMChannelRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ApiKey !== undefined) {
-    bodyParams["ApiKey"] = input.ApiKey;
-  }
-  if (input.Enabled !== undefined) {
-    bodyParams["Enabled"] = input.Enabled;
-  }
-  return bodyParams;
+  return {
+    ...(input.ApiKey !== undefined && { ApiKey: input.ApiKey }),
+    ...(input.Enabled !== undefined && { Enabled: input.Enabled })
+  };
 };
 
 const serializeAws_restJson1_1GCMMessage = (
   input: GCMMessage,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Action !== undefined) {
-    bodyParams["Action"] = input.Action;
-  }
-  if (input.Body !== undefined) {
-    bodyParams["Body"] = input.Body;
-  }
-  if (input.CollapseKey !== undefined) {
-    bodyParams["CollapseKey"] = input.CollapseKey;
-  }
-  if (input.Data !== undefined) {
-    bodyParams["Data"] = serializeAws_restJson1_1MapOf__string(
-      input.Data,
-      context
-    );
-  }
-  if (input.IconReference !== undefined) {
-    bodyParams["IconReference"] = input.IconReference;
-  }
-  if (input.ImageIconUrl !== undefined) {
-    bodyParams["ImageIconUrl"] = input.ImageIconUrl;
-  }
-  if (input.ImageUrl !== undefined) {
-    bodyParams["ImageUrl"] = input.ImageUrl;
-  }
-  if (input.Priority !== undefined) {
-    bodyParams["Priority"] = input.Priority;
-  }
-  if (input.RawContent !== undefined) {
-    bodyParams["RawContent"] = input.RawContent;
-  }
-  if (input.RestrictedPackageName !== undefined) {
-    bodyParams["RestrictedPackageName"] = input.RestrictedPackageName;
-  }
-  if (input.SilentPush !== undefined) {
-    bodyParams["SilentPush"] = input.SilentPush;
-  }
-  if (input.SmallImageIconUrl !== undefined) {
-    bodyParams["SmallImageIconUrl"] = input.SmallImageIconUrl;
-  }
-  if (input.Sound !== undefined) {
-    bodyParams["Sound"] = input.Sound;
-  }
-  if (input.Substitutions !== undefined) {
-    bodyParams["Substitutions"] = serializeAws_restJson1_1MapOfListOf__string(
-      input.Substitutions,
-      context
-    );
-  }
-  if (input.TimeToLive !== undefined) {
-    bodyParams["TimeToLive"] = input.TimeToLive;
-  }
-  if (input.Title !== undefined) {
-    bodyParams["Title"] = input.Title;
-  }
-  if (input.Url !== undefined) {
-    bodyParams["Url"] = input.Url;
-  }
-  return bodyParams;
+  return {
+    ...(input.Action !== undefined && { Action: input.Action }),
+    ...(input.Body !== undefined && { Body: input.Body }),
+    ...(input.CollapseKey !== undefined && { CollapseKey: input.CollapseKey }),
+    ...(input.Data !== undefined && {
+      Data: serializeAws_restJson1_1MapOf__string(input.Data, context)
+    }),
+    ...(input.IconReference !== undefined && {
+      IconReference: input.IconReference
+    }),
+    ...(input.ImageIconUrl !== undefined && {
+      ImageIconUrl: input.ImageIconUrl
+    }),
+    ...(input.ImageUrl !== undefined && { ImageUrl: input.ImageUrl }),
+    ...(input.Priority !== undefined && { Priority: input.Priority }),
+    ...(input.RawContent !== undefined && { RawContent: input.RawContent }),
+    ...(input.RestrictedPackageName !== undefined && {
+      RestrictedPackageName: input.RestrictedPackageName
+    }),
+    ...(input.SilentPush !== undefined && { SilentPush: input.SilentPush }),
+    ...(input.SmallImageIconUrl !== undefined && {
+      SmallImageIconUrl: input.SmallImageIconUrl
+    }),
+    ...(input.Sound !== undefined && { Sound: input.Sound }),
+    ...(input.Substitutions !== undefined && {
+      Substitutions: serializeAws_restJson1_1MapOfListOf__string(
+        input.Substitutions,
+        context
+      )
+    }),
+    ...(input.TimeToLive !== undefined && { TimeToLive: input.TimeToLive }),
+    ...(input.Title !== undefined && { Title: input.Title }),
+    ...(input.Url !== undefined && { Url: input.Url })
+  };
 };
 
 const serializeAws_restJson1_1GPSCoordinates = (
   input: GPSCoordinates,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Latitude !== undefined) {
-    bodyParams["Latitude"] = input.Latitude;
-  }
-  if (input.Longitude !== undefined) {
-    bodyParams["Longitude"] = input.Longitude;
-  }
-  return bodyParams;
+  return {
+    ...(input.Latitude !== undefined && { Latitude: input.Latitude }),
+    ...(input.Longitude !== undefined && { Longitude: input.Longitude })
+  };
 };
 
 const serializeAws_restJson1_1GPSPointDimension = (
   input: GPSPointDimension,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Coordinates !== undefined) {
-    bodyParams["Coordinates"] = serializeAws_restJson1_1GPSCoordinates(
-      input.Coordinates,
-      context
-    );
-  }
-  if (input.RangeInKilometers !== undefined) {
-    bodyParams["RangeInKilometers"] = input.RangeInKilometers;
-  }
-  return bodyParams;
+  return {
+    ...(input.Coordinates !== undefined && {
+      Coordinates: serializeAws_restJson1_1GPSCoordinates(
+        input.Coordinates,
+        context
+      )
+    }),
+    ...(input.RangeInKilometers !== undefined && {
+      RangeInKilometers: input.RangeInKilometers
+    })
+  };
 };
 
 const serializeAws_restJson1_1HoldoutActivity = (
   input: HoldoutActivity,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.NextActivity !== undefined) {
-    bodyParams["NextActivity"] = input.NextActivity;
-  }
-  if (input.Percentage !== undefined) {
-    bodyParams["Percentage"] = input.Percentage;
-  }
-  return bodyParams;
+  return {
+    ...(input.NextActivity !== undefined && {
+      NextActivity: input.NextActivity
+    }),
+    ...(input.Percentage !== undefined && { Percentage: input.Percentage })
+  };
 };
 
 const serializeAws_restJson1_1ImportJobRequest = (
   input: ImportJobRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DefineSegment !== undefined) {
-    bodyParams["DefineSegment"] = input.DefineSegment;
-  }
-  if (input.ExternalId !== undefined) {
-    bodyParams["ExternalId"] = input.ExternalId;
-  }
-  if (input.Format !== undefined) {
-    bodyParams["Format"] = input.Format;
-  }
-  if (input.RegisterEndpoints !== undefined) {
-    bodyParams["RegisterEndpoints"] = input.RegisterEndpoints;
-  }
-  if (input.RoleArn !== undefined) {
-    bodyParams["RoleArn"] = input.RoleArn;
-  }
-  if (input.S3Url !== undefined) {
-    bodyParams["S3Url"] = input.S3Url;
-  }
-  if (input.SegmentId !== undefined) {
-    bodyParams["SegmentId"] = input.SegmentId;
-  }
-  if (input.SegmentName !== undefined) {
-    bodyParams["SegmentName"] = input.SegmentName;
-  }
-  return bodyParams;
+  return {
+    ...(input.DefineSegment !== undefined && {
+      DefineSegment: input.DefineSegment
+    }),
+    ...(input.ExternalId !== undefined && { ExternalId: input.ExternalId }),
+    ...(input.Format !== undefined && { Format: input.Format }),
+    ...(input.RegisterEndpoints !== undefined && {
+      RegisterEndpoints: input.RegisterEndpoints
+    }),
+    ...(input.RoleArn !== undefined && { RoleArn: input.RoleArn }),
+    ...(input.S3Url !== undefined && { S3Url: input.S3Url }),
+    ...(input.SegmentId !== undefined && { SegmentId: input.SegmentId }),
+    ...(input.SegmentName !== undefined && { SegmentName: input.SegmentName })
+  };
 };
 
 const serializeAws_restJson1_1JourneyEmailMessage = (
   input: JourneyEmailMessage,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.FromAddress !== undefined) {
-    bodyParams["FromAddress"] = input.FromAddress;
-  }
-  return bodyParams;
+  return {
+    ...(input.FromAddress !== undefined && { FromAddress: input.FromAddress })
+  };
 };
 
 const serializeAws_restJson1_1JourneyLimits = (
   input: JourneyLimits,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DailyCap !== undefined) {
-    bodyParams["DailyCap"] = input.DailyCap;
-  }
-  if (input.EndpointReentryCap !== undefined) {
-    bodyParams["EndpointReentryCap"] = input.EndpointReentryCap;
-  }
-  if (input.MessagesPerSecond !== undefined) {
-    bodyParams["MessagesPerSecond"] = input.MessagesPerSecond;
-  }
-  return bodyParams;
+  return {
+    ...(input.DailyCap !== undefined && { DailyCap: input.DailyCap }),
+    ...(input.EndpointReentryCap !== undefined && {
+      EndpointReentryCap: input.EndpointReentryCap
+    }),
+    ...(input.MessagesPerSecond !== undefined && {
+      MessagesPerSecond: input.MessagesPerSecond
+    })
+  };
 };
 
 const serializeAws_restJson1_1JourneySchedule = (
   input: JourneySchedule,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EndTime !== undefined) {
-    bodyParams["EndTime"] = input.EndTime.toISOString().split(".")[0] + "Z";
-  }
-  if (input.StartTime !== undefined) {
-    bodyParams["StartTime"] = input.StartTime.toISOString().split(".")[0] + "Z";
-  }
-  if (input.Timezone !== undefined) {
-    bodyParams["Timezone"] = input.Timezone;
-  }
-  return bodyParams;
+  return {
+    ...(input.EndTime !== undefined && {
+      EndTime: input.EndTime.toISOString().split(".")[0] + "Z"
+    }),
+    ...(input.StartTime !== undefined && {
+      StartTime: input.StartTime.toISOString().split(".")[0] + "Z"
+    }),
+    ...(input.Timezone !== undefined && { Timezone: input.Timezone })
+  };
 };
 
 const serializeAws_restJson1_1JourneyStateRequest = (
   input: JourneyStateRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.State !== undefined) {
-    bodyParams["State"] = input.State;
-  }
-  return bodyParams;
+  return {
+    ...(input.State !== undefined && { State: input.State })
+  };
 };
 
 const serializeAws_restJson1_1ListOfEndpointBatchItem = (
@@ -19388,1281 +18949,997 @@ const serializeAws_restJson1_1Message = (
   input: Message,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Action !== undefined) {
-    bodyParams["Action"] = input.Action;
-  }
-  if (input.Body !== undefined) {
-    bodyParams["Body"] = input.Body;
-  }
-  if (input.ImageIconUrl !== undefined) {
-    bodyParams["ImageIconUrl"] = input.ImageIconUrl;
-  }
-  if (input.ImageSmallIconUrl !== undefined) {
-    bodyParams["ImageSmallIconUrl"] = input.ImageSmallIconUrl;
-  }
-  if (input.ImageUrl !== undefined) {
-    bodyParams["ImageUrl"] = input.ImageUrl;
-  }
-  if (input.JsonBody !== undefined) {
-    bodyParams["JsonBody"] = input.JsonBody;
-  }
-  if (input.MediaUrl !== undefined) {
-    bodyParams["MediaUrl"] = input.MediaUrl;
-  }
-  if (input.RawContent !== undefined) {
-    bodyParams["RawContent"] = input.RawContent;
-  }
-  if (input.SilentPush !== undefined) {
-    bodyParams["SilentPush"] = input.SilentPush;
-  }
-  if (input.TimeToLive !== undefined) {
-    bodyParams["TimeToLive"] = input.TimeToLive;
-  }
-  if (input.Title !== undefined) {
-    bodyParams["Title"] = input.Title;
-  }
-  if (input.Url !== undefined) {
-    bodyParams["Url"] = input.Url;
-  }
-  return bodyParams;
+  return {
+    ...(input.Action !== undefined && { Action: input.Action }),
+    ...(input.Body !== undefined && { Body: input.Body }),
+    ...(input.ImageIconUrl !== undefined && {
+      ImageIconUrl: input.ImageIconUrl
+    }),
+    ...(input.ImageSmallIconUrl !== undefined && {
+      ImageSmallIconUrl: input.ImageSmallIconUrl
+    }),
+    ...(input.ImageUrl !== undefined && { ImageUrl: input.ImageUrl }),
+    ...(input.JsonBody !== undefined && { JsonBody: input.JsonBody }),
+    ...(input.MediaUrl !== undefined && { MediaUrl: input.MediaUrl }),
+    ...(input.RawContent !== undefined && { RawContent: input.RawContent }),
+    ...(input.SilentPush !== undefined && { SilentPush: input.SilentPush }),
+    ...(input.TimeToLive !== undefined && { TimeToLive: input.TimeToLive }),
+    ...(input.Title !== undefined && { Title: input.Title }),
+    ...(input.Url !== undefined && { Url: input.Url })
+  };
 };
 
 const serializeAws_restJson1_1MessageConfiguration = (
   input: MessageConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ADMMessage !== undefined) {
-    bodyParams["ADMMessage"] = serializeAws_restJson1_1Message(
-      input.ADMMessage,
-      context
-    );
-  }
-  if (input.APNSMessage !== undefined) {
-    bodyParams["APNSMessage"] = serializeAws_restJson1_1Message(
-      input.APNSMessage,
-      context
-    );
-  }
-  if (input.BaiduMessage !== undefined) {
-    bodyParams["BaiduMessage"] = serializeAws_restJson1_1Message(
-      input.BaiduMessage,
-      context
-    );
-  }
-  if (input.DefaultMessage !== undefined) {
-    bodyParams["DefaultMessage"] = serializeAws_restJson1_1Message(
-      input.DefaultMessage,
-      context
-    );
-  }
-  if (input.EmailMessage !== undefined) {
-    bodyParams["EmailMessage"] = serializeAws_restJson1_1CampaignEmailMessage(
-      input.EmailMessage,
-      context
-    );
-  }
-  if (input.GCMMessage !== undefined) {
-    bodyParams["GCMMessage"] = serializeAws_restJson1_1Message(
-      input.GCMMessage,
-      context
-    );
-  }
-  if (input.SMSMessage !== undefined) {
-    bodyParams["SMSMessage"] = serializeAws_restJson1_1CampaignSmsMessage(
-      input.SMSMessage,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ADMMessage !== undefined && {
+      ADMMessage: serializeAws_restJson1_1Message(input.ADMMessage, context)
+    }),
+    ...(input.APNSMessage !== undefined && {
+      APNSMessage: serializeAws_restJson1_1Message(input.APNSMessage, context)
+    }),
+    ...(input.BaiduMessage !== undefined && {
+      BaiduMessage: serializeAws_restJson1_1Message(input.BaiduMessage, context)
+    }),
+    ...(input.DefaultMessage !== undefined && {
+      DefaultMessage: serializeAws_restJson1_1Message(
+        input.DefaultMessage,
+        context
+      )
+    }),
+    ...(input.EmailMessage !== undefined && {
+      EmailMessage: serializeAws_restJson1_1CampaignEmailMessage(
+        input.EmailMessage,
+        context
+      )
+    }),
+    ...(input.GCMMessage !== undefined && {
+      GCMMessage: serializeAws_restJson1_1Message(input.GCMMessage, context)
+    }),
+    ...(input.SMSMessage !== undefined && {
+      SMSMessage: serializeAws_restJson1_1CampaignSmsMessage(
+        input.SMSMessage,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1MessageRequest = (
-  input: MessageRequest,
-  context: __SerdeContext
-): any => {
-  const bodyParams: any = {};
-  if (input.Addresses !== undefined) {
-    bodyParams["Addresses"] = serializeAws_restJson1_1MapOfAddressConfiguration(
-      input.Addresses,
-      context
-    );
-  }
-  if (input.Context !== undefined) {
-    bodyParams["Context"] = serializeAws_restJson1_1MapOf__string(
-      input.Context,
-      context
-    );
-  }
-  if (input.Endpoints !== undefined) {
-    bodyParams[
-      "Endpoints"
-    ] = serializeAws_restJson1_1MapOfEndpointSendConfiguration(
-      input.Endpoints,
-      context
-    );
-  }
-  if (input.MessageConfiguration !== undefined) {
-    bodyParams[
-      "MessageConfiguration"
-    ] = serializeAws_restJson1_1DirectMessageConfiguration(
-      input.MessageConfiguration,
-      context
-    );
-  }
-  if (input.TemplateConfiguration !== undefined) {
-    bodyParams[
-      "TemplateConfiguration"
-    ] = serializeAws_restJson1_1TemplateConfiguration(
-      input.TemplateConfiguration,
-      context
-    );
-  }
-  if (input.TraceId !== undefined) {
-    bodyParams["TraceId"] = input.TraceId;
-  }
-  return bodyParams;
+  input: MessageRequest,
+  context: __SerdeContext
+): any => {
+  return {
+    ...(input.Addresses !== undefined && {
+      Addresses: serializeAws_restJson1_1MapOfAddressConfiguration(
+        input.Addresses,
+        context
+      )
+    }),
+    ...(input.Context !== undefined && {
+      Context: serializeAws_restJson1_1MapOf__string(input.Context, context)
+    }),
+    ...(input.Endpoints !== undefined && {
+      Endpoints: serializeAws_restJson1_1MapOfEndpointSendConfiguration(
+        input.Endpoints,
+        context
+      )
+    }),
+    ...(input.MessageConfiguration !== undefined && {
+      MessageConfiguration: serializeAws_restJson1_1DirectMessageConfiguration(
+        input.MessageConfiguration,
+        context
+      )
+    }),
+    ...(input.TemplateConfiguration !== undefined && {
+      TemplateConfiguration: serializeAws_restJson1_1TemplateConfiguration(
+        input.TemplateConfiguration,
+        context
+      )
+    }),
+    ...(input.TraceId !== undefined && { TraceId: input.TraceId })
+  };
 };
 
 const serializeAws_restJson1_1MetricDimension = (
   input: MetricDimension,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ComparisonOperator !== undefined) {
-    bodyParams["ComparisonOperator"] = input.ComparisonOperator;
-  }
-  if (input.Value !== undefined) {
-    bodyParams["Value"] = input.Value;
-  }
-  return bodyParams;
+  return {
+    ...(input.ComparisonOperator !== undefined && {
+      ComparisonOperator: input.ComparisonOperator
+    }),
+    ...(input.Value !== undefined && { Value: input.Value })
+  };
 };
 
 const serializeAws_restJson1_1MultiConditionalBranch = (
   input: MultiConditionalBranch,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Condition !== undefined) {
-    bodyParams["Condition"] = serializeAws_restJson1_1SimpleCondition(
-      input.Condition,
-      context
-    );
-  }
-  if (input.NextActivity !== undefined) {
-    bodyParams["NextActivity"] = input.NextActivity;
-  }
-  return bodyParams;
+  return {
+    ...(input.Condition !== undefined && {
+      Condition: serializeAws_restJson1_1SimpleCondition(
+        input.Condition,
+        context
+      )
+    }),
+    ...(input.NextActivity !== undefined && {
+      NextActivity: input.NextActivity
+    })
+  };
 };
 
 const serializeAws_restJson1_1MultiConditionalSplitActivity = (
   input: MultiConditionalSplitActivity,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Branches !== undefined) {
-    bodyParams[
-      "Branches"
-    ] = serializeAws_restJson1_1ListOfMultiConditionalBranch(
-      input.Branches,
-      context
-    );
-  }
-  if (input.DefaultActivity !== undefined) {
-    bodyParams["DefaultActivity"] = input.DefaultActivity;
-  }
-  if (input.EvaluationWaitTime !== undefined) {
-    bodyParams["EvaluationWaitTime"] = serializeAws_restJson1_1WaitTime(
-      input.EvaluationWaitTime,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Branches !== undefined && {
+      Branches: serializeAws_restJson1_1ListOfMultiConditionalBranch(
+        input.Branches,
+        context
+      )
+    }),
+    ...(input.DefaultActivity !== undefined && {
+      DefaultActivity: input.DefaultActivity
+    }),
+    ...(input.EvaluationWaitTime !== undefined && {
+      EvaluationWaitTime: serializeAws_restJson1_1WaitTime(
+        input.EvaluationWaitTime,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1NumberValidateRequest = (
   input: NumberValidateRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.IsoCountryCode !== undefined) {
-    bodyParams["IsoCountryCode"] = input.IsoCountryCode;
-  }
-  if (input.PhoneNumber !== undefined) {
-    bodyParams["PhoneNumber"] = input.PhoneNumber;
-  }
-  return bodyParams;
+  return {
+    ...(input.IsoCountryCode !== undefined && {
+      IsoCountryCode: input.IsoCountryCode
+    }),
+    ...(input.PhoneNumber !== undefined && { PhoneNumber: input.PhoneNumber })
+  };
 };
 
 const serializeAws_restJson1_1PublicEndpoint = (
   input: PublicEndpoint,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Address !== undefined) {
-    bodyParams["Address"] = input.Address;
-  }
-  if (input.Attributes !== undefined) {
-    bodyParams["Attributes"] = serializeAws_restJson1_1MapOfListOf__string(
-      input.Attributes,
-      context
-    );
-  }
-  if (input.ChannelType !== undefined) {
-    bodyParams["ChannelType"] = input.ChannelType;
-  }
-  if (input.Demographic !== undefined) {
-    bodyParams["Demographic"] = serializeAws_restJson1_1EndpointDemographic(
-      input.Demographic,
-      context
-    );
-  }
-  if (input.EffectiveDate !== undefined) {
-    bodyParams["EffectiveDate"] = input.EffectiveDate;
-  }
-  if (input.EndpointStatus !== undefined) {
-    bodyParams["EndpointStatus"] = input.EndpointStatus;
-  }
-  if (input.Location !== undefined) {
-    bodyParams["Location"] = serializeAws_restJson1_1EndpointLocation(
-      input.Location,
-      context
-    );
-  }
-  if (input.Metrics !== undefined) {
-    bodyParams["Metrics"] = serializeAws_restJson1_1MapOf__double(
-      input.Metrics,
-      context
-    );
-  }
-  if (input.OptOut !== undefined) {
-    bodyParams["OptOut"] = input.OptOut;
-  }
-  if (input.RequestId !== undefined) {
-    bodyParams["RequestId"] = input.RequestId;
-  }
-  if (input.User !== undefined) {
-    bodyParams["User"] = serializeAws_restJson1_1EndpointUser(
-      input.User,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Address !== undefined && { Address: input.Address }),
+    ...(input.Attributes !== undefined && {
+      Attributes: serializeAws_restJson1_1MapOfListOf__string(
+        input.Attributes,
+        context
+      )
+    }),
+    ...(input.ChannelType !== undefined && { ChannelType: input.ChannelType }),
+    ...(input.Demographic !== undefined && {
+      Demographic: serializeAws_restJson1_1EndpointDemographic(
+        input.Demographic,
+        context
+      )
+    }),
+    ...(input.EffectiveDate !== undefined && {
+      EffectiveDate: input.EffectiveDate
+    }),
+    ...(input.EndpointStatus !== undefined && {
+      EndpointStatus: input.EndpointStatus
+    }),
+    ...(input.Location !== undefined && {
+      Location: serializeAws_restJson1_1EndpointLocation(
+        input.Location,
+        context
+      )
+    }),
+    ...(input.Metrics !== undefined && {
+      Metrics: serializeAws_restJson1_1MapOf__double(input.Metrics, context)
+    }),
+    ...(input.OptOut !== undefined && { OptOut: input.OptOut }),
+    ...(input.RequestId !== undefined && { RequestId: input.RequestId }),
+    ...(input.User !== undefined && {
+      User: serializeAws_restJson1_1EndpointUser(input.User, context)
+    })
+  };
 };
 
 const serializeAws_restJson1_1PushNotificationTemplateRequest = (
   input: PushNotificationTemplateRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ADM !== undefined) {
-    bodyParams["ADM"] = serializeAws_restJson1_1AndroidPushNotificationTemplate(
-      input.ADM,
-      context
-    );
-  }
-  if (input.APNS !== undefined) {
-    bodyParams["APNS"] = serializeAws_restJson1_1APNSPushNotificationTemplate(
-      input.APNS,
-      context
-    );
-  }
-  if (input.Baidu !== undefined) {
-    bodyParams[
-      "Baidu"
-    ] = serializeAws_restJson1_1AndroidPushNotificationTemplate(
-      input.Baidu,
-      context
-    );
-  }
-  if (input.Default !== undefined) {
-    bodyParams[
-      "Default"
-    ] = serializeAws_restJson1_1DefaultPushNotificationTemplate(
-      input.Default,
-      context
-    );
-  }
-  if (input.DefaultSubstitutions !== undefined) {
-    bodyParams["DefaultSubstitutions"] = input.DefaultSubstitutions;
-  }
-  if (input.GCM !== undefined) {
-    bodyParams["GCM"] = serializeAws_restJson1_1AndroidPushNotificationTemplate(
-      input.GCM,
-      context
-    );
-  }
-  if (input.TemplateDescription !== undefined) {
-    bodyParams["TemplateDescription"] = input.TemplateDescription;
-  }
-  if (input.tags !== undefined) {
-    bodyParams["tags"] = serializeAws_restJson1_1MapOf__string(
-      input.tags,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ADM !== undefined && {
+      ADM: serializeAws_restJson1_1AndroidPushNotificationTemplate(
+        input.ADM,
+        context
+      )
+    }),
+    ...(input.APNS !== undefined && {
+      APNS: serializeAws_restJson1_1APNSPushNotificationTemplate(
+        input.APNS,
+        context
+      )
+    }),
+    ...(input.Baidu !== undefined && {
+      Baidu: serializeAws_restJson1_1AndroidPushNotificationTemplate(
+        input.Baidu,
+        context
+      )
+    }),
+    ...(input.Default !== undefined && {
+      Default: serializeAws_restJson1_1DefaultPushNotificationTemplate(
+        input.Default,
+        context
+      )
+    }),
+    ...(input.DefaultSubstitutions !== undefined && {
+      DefaultSubstitutions: input.DefaultSubstitutions
+    }),
+    ...(input.GCM !== undefined && {
+      GCM: serializeAws_restJson1_1AndroidPushNotificationTemplate(
+        input.GCM,
+        context
+      )
+    }),
+    ...(input.TemplateDescription !== undefined && {
+      TemplateDescription: input.TemplateDescription
+    }),
+    ...(input.tags !== undefined && {
+      tags: serializeAws_restJson1_1MapOf__string(input.tags, context)
+    })
+  };
 };
 
 const serializeAws_restJson1_1QuietTime = (
   input: QuietTime,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.End !== undefined) {
-    bodyParams["End"] = input.End;
-  }
-  if (input.Start !== undefined) {
-    bodyParams["Start"] = input.Start;
-  }
-  return bodyParams;
+  return {
+    ...(input.End !== undefined && { End: input.End }),
+    ...(input.Start !== undefined && { Start: input.Start })
+  };
 };
 
 const serializeAws_restJson1_1RandomSplitActivity = (
   input: RandomSplitActivity,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Branches !== undefined) {
-    bodyParams["Branches"] = serializeAws_restJson1_1ListOfRandomSplitEntry(
-      input.Branches,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Branches !== undefined && {
+      Branches: serializeAws_restJson1_1ListOfRandomSplitEntry(
+        input.Branches,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1RandomSplitEntry = (
   input: RandomSplitEntry,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.NextActivity !== undefined) {
-    bodyParams["NextActivity"] = input.NextActivity;
-  }
-  if (input.Percentage !== undefined) {
-    bodyParams["Percentage"] = input.Percentage;
-  }
-  return bodyParams;
+  return {
+    ...(input.NextActivity !== undefined && {
+      NextActivity: input.NextActivity
+    }),
+    ...(input.Percentage !== undefined && { Percentage: input.Percentage })
+  };
 };
 
 const serializeAws_restJson1_1RawEmail = (
   input: RawEmail,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Data !== undefined) {
-    bodyParams["Data"] = context.base64Encoder(input.Data);
-  }
-  return bodyParams;
+  return {
+    ...(input.Data !== undefined && { Data: context.base64Encoder(input.Data) })
+  };
 };
 
 const serializeAws_restJson1_1RecencyDimension = (
   input: RecencyDimension,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Duration !== undefined) {
-    bodyParams["Duration"] = input.Duration;
-  }
-  if (input.RecencyType !== undefined) {
-    bodyParams["RecencyType"] = input.RecencyType;
-  }
-  return bodyParams;
+  return {
+    ...(input.Duration !== undefined && { Duration: input.Duration }),
+    ...(input.RecencyType !== undefined && { RecencyType: input.RecencyType })
+  };
 };
 
 const serializeAws_restJson1_1SMSChannelRequest = (
   input: SMSChannelRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Enabled !== undefined) {
-    bodyParams["Enabled"] = input.Enabled;
-  }
-  if (input.SenderId !== undefined) {
-    bodyParams["SenderId"] = input.SenderId;
-  }
-  if (input.ShortCode !== undefined) {
-    bodyParams["ShortCode"] = input.ShortCode;
-  }
-  return bodyParams;
+  return {
+    ...(input.Enabled !== undefined && { Enabled: input.Enabled }),
+    ...(input.SenderId !== undefined && { SenderId: input.SenderId }),
+    ...(input.ShortCode !== undefined && { ShortCode: input.ShortCode })
+  };
 };
 
 const serializeAws_restJson1_1SMSMessage = (
   input: SMSMessage,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Body !== undefined) {
-    bodyParams["Body"] = input.Body;
-  }
-  if (input.Keyword !== undefined) {
-    bodyParams["Keyword"] = input.Keyword;
-  }
-  if (input.MessageType !== undefined) {
-    bodyParams["MessageType"] = input.MessageType;
-  }
-  if (input.OriginationNumber !== undefined) {
-    bodyParams["OriginationNumber"] = input.OriginationNumber;
-  }
-  if (input.SenderId !== undefined) {
-    bodyParams["SenderId"] = input.SenderId;
-  }
-  if (input.Substitutions !== undefined) {
-    bodyParams["Substitutions"] = serializeAws_restJson1_1MapOfListOf__string(
-      input.Substitutions,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Body !== undefined && { Body: input.Body }),
+    ...(input.Keyword !== undefined && { Keyword: input.Keyword }),
+    ...(input.MessageType !== undefined && { MessageType: input.MessageType }),
+    ...(input.OriginationNumber !== undefined && {
+      OriginationNumber: input.OriginationNumber
+    }),
+    ...(input.SenderId !== undefined && { SenderId: input.SenderId }),
+    ...(input.Substitutions !== undefined && {
+      Substitutions: serializeAws_restJson1_1MapOfListOf__string(
+        input.Substitutions,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1SMSTemplateRequest = (
   input: SMSTemplateRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Body !== undefined) {
-    bodyParams["Body"] = input.Body;
-  }
-  if (input.DefaultSubstitutions !== undefined) {
-    bodyParams["DefaultSubstitutions"] = input.DefaultSubstitutions;
-  }
-  if (input.TemplateDescription !== undefined) {
-    bodyParams["TemplateDescription"] = input.TemplateDescription;
-  }
-  if (input.tags !== undefined) {
-    bodyParams["tags"] = serializeAws_restJson1_1MapOf__string(
-      input.tags,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Body !== undefined && { Body: input.Body }),
+    ...(input.DefaultSubstitutions !== undefined && {
+      DefaultSubstitutions: input.DefaultSubstitutions
+    }),
+    ...(input.TemplateDescription !== undefined && {
+      TemplateDescription: input.TemplateDescription
+    }),
+    ...(input.tags !== undefined && {
+      tags: serializeAws_restJson1_1MapOf__string(input.tags, context)
+    })
+  };
 };
 
 const serializeAws_restJson1_1Schedule = (
   input: Schedule,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EndTime !== undefined) {
-    bodyParams["EndTime"] = input.EndTime;
-  }
-  if (input.EventFilter !== undefined) {
-    bodyParams["EventFilter"] = serializeAws_restJson1_1CampaignEventFilter(
-      input.EventFilter,
-      context
-    );
-  }
-  if (input.Frequency !== undefined) {
-    bodyParams["Frequency"] = input.Frequency;
-  }
-  if (input.IsLocalTime !== undefined) {
-    bodyParams["IsLocalTime"] = input.IsLocalTime;
-  }
-  if (input.QuietTime !== undefined) {
-    bodyParams["QuietTime"] = serializeAws_restJson1_1QuietTime(
-      input.QuietTime,
-      context
-    );
-  }
-  if (input.StartTime !== undefined) {
-    bodyParams["StartTime"] = input.StartTime;
-  }
-  if (input.Timezone !== undefined) {
-    bodyParams["Timezone"] = input.Timezone;
-  }
-  return bodyParams;
+  return {
+    ...(input.EndTime !== undefined && { EndTime: input.EndTime }),
+    ...(input.EventFilter !== undefined && {
+      EventFilter: serializeAws_restJson1_1CampaignEventFilter(
+        input.EventFilter,
+        context
+      )
+    }),
+    ...(input.Frequency !== undefined && { Frequency: input.Frequency }),
+    ...(input.IsLocalTime !== undefined && { IsLocalTime: input.IsLocalTime }),
+    ...(input.QuietTime !== undefined && {
+      QuietTime: serializeAws_restJson1_1QuietTime(input.QuietTime, context)
+    }),
+    ...(input.StartTime !== undefined && { StartTime: input.StartTime }),
+    ...(input.Timezone !== undefined && { Timezone: input.Timezone })
+  };
 };
 
 const serializeAws_restJson1_1SegmentBehaviors = (
   input: SegmentBehaviors,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Recency !== undefined) {
-    bodyParams["Recency"] = serializeAws_restJson1_1RecencyDimension(
-      input.Recency,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Recency !== undefined && {
+      Recency: serializeAws_restJson1_1RecencyDimension(input.Recency, context)
+    })
+  };
 };
 
 const serializeAws_restJson1_1SegmentCondition = (
   input: SegmentCondition,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.SegmentId !== undefined) {
-    bodyParams["SegmentId"] = input.SegmentId;
-  }
-  return bodyParams;
+  return {
+    ...(input.SegmentId !== undefined && { SegmentId: input.SegmentId })
+  };
 };
 
 const serializeAws_restJson1_1SegmentDemographics = (
   input: SegmentDemographics,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AppVersion !== undefined) {
-    bodyParams["AppVersion"] = serializeAws_restJson1_1SetDimension(
-      input.AppVersion,
-      context
-    );
-  }
-  if (input.Channel !== undefined) {
-    bodyParams["Channel"] = serializeAws_restJson1_1SetDimension(
-      input.Channel,
-      context
-    );
-  }
-  if (input.DeviceType !== undefined) {
-    bodyParams["DeviceType"] = serializeAws_restJson1_1SetDimension(
-      input.DeviceType,
-      context
-    );
-  }
-  if (input.Make !== undefined) {
-    bodyParams["Make"] = serializeAws_restJson1_1SetDimension(
-      input.Make,
-      context
-    );
-  }
-  if (input.Model !== undefined) {
-    bodyParams["Model"] = serializeAws_restJson1_1SetDimension(
-      input.Model,
-      context
-    );
-  }
-  if (input.Platform !== undefined) {
-    bodyParams["Platform"] = serializeAws_restJson1_1SetDimension(
-      input.Platform,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.AppVersion !== undefined && {
+      AppVersion: serializeAws_restJson1_1SetDimension(
+        input.AppVersion,
+        context
+      )
+    }),
+    ...(input.Channel !== undefined && {
+      Channel: serializeAws_restJson1_1SetDimension(input.Channel, context)
+    }),
+    ...(input.DeviceType !== undefined && {
+      DeviceType: serializeAws_restJson1_1SetDimension(
+        input.DeviceType,
+        context
+      )
+    }),
+    ...(input.Make !== undefined && {
+      Make: serializeAws_restJson1_1SetDimension(input.Make, context)
+    }),
+    ...(input.Model !== undefined && {
+      Model: serializeAws_restJson1_1SetDimension(input.Model, context)
+    }),
+    ...(input.Platform !== undefined && {
+      Platform: serializeAws_restJson1_1SetDimension(input.Platform, context)
+    })
+  };
 };
 
 const serializeAws_restJson1_1SegmentDimensions = (
   input: SegmentDimensions,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Attributes !== undefined) {
-    bodyParams["Attributes"] = serializeAws_restJson1_1MapOfAttributeDimension(
-      input.Attributes,
-      context
-    );
-  }
-  if (input.Behavior !== undefined) {
-    bodyParams["Behavior"] = serializeAws_restJson1_1SegmentBehaviors(
-      input.Behavior,
-      context
-    );
-  }
-  if (input.Demographic !== undefined) {
-    bodyParams["Demographic"] = serializeAws_restJson1_1SegmentDemographics(
-      input.Demographic,
-      context
-    );
-  }
-  if (input.Location !== undefined) {
-    bodyParams["Location"] = serializeAws_restJson1_1SegmentLocation(
-      input.Location,
-      context
-    );
-  }
-  if (input.Metrics !== undefined) {
-    bodyParams["Metrics"] = serializeAws_restJson1_1MapOfMetricDimension(
-      input.Metrics,
-      context
-    );
-  }
-  if (input.UserAttributes !== undefined) {
-    bodyParams[
-      "UserAttributes"
-    ] = serializeAws_restJson1_1MapOfAttributeDimension(
-      input.UserAttributes,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Attributes !== undefined && {
+      Attributes: serializeAws_restJson1_1MapOfAttributeDimension(
+        input.Attributes,
+        context
+      )
+    }),
+    ...(input.Behavior !== undefined && {
+      Behavior: serializeAws_restJson1_1SegmentBehaviors(
+        input.Behavior,
+        context
+      )
+    }),
+    ...(input.Demographic !== undefined && {
+      Demographic: serializeAws_restJson1_1SegmentDemographics(
+        input.Demographic,
+        context
+      )
+    }),
+    ...(input.Location !== undefined && {
+      Location: serializeAws_restJson1_1SegmentLocation(input.Location, context)
+    }),
+    ...(input.Metrics !== undefined && {
+      Metrics: serializeAws_restJson1_1MapOfMetricDimension(
+        input.Metrics,
+        context
+      )
+    }),
+    ...(input.UserAttributes !== undefined && {
+      UserAttributes: serializeAws_restJson1_1MapOfAttributeDimension(
+        input.UserAttributes,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1SegmentGroup = (
   input: SegmentGroup,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Dimensions !== undefined) {
-    bodyParams["Dimensions"] = serializeAws_restJson1_1ListOfSegmentDimensions(
-      input.Dimensions,
-      context
-    );
-  }
-  if (input.SourceSegments !== undefined) {
-    bodyParams[
-      "SourceSegments"
-    ] = serializeAws_restJson1_1ListOfSegmentReference(
-      input.SourceSegments,
-      context
-    );
-  }
-  if (input.SourceType !== undefined) {
-    bodyParams["SourceType"] = input.SourceType;
-  }
-  if (input.Type !== undefined) {
-    bodyParams["Type"] = input.Type;
-  }
-  return bodyParams;
+  return {
+    ...(input.Dimensions !== undefined && {
+      Dimensions: serializeAws_restJson1_1ListOfSegmentDimensions(
+        input.Dimensions,
+        context
+      )
+    }),
+    ...(input.SourceSegments !== undefined && {
+      SourceSegments: serializeAws_restJson1_1ListOfSegmentReference(
+        input.SourceSegments,
+        context
+      )
+    }),
+    ...(input.SourceType !== undefined && { SourceType: input.SourceType }),
+    ...(input.Type !== undefined && { Type: input.Type })
+  };
 };
 
 const serializeAws_restJson1_1SegmentGroupList = (
   input: SegmentGroupList,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Groups !== undefined) {
-    bodyParams["Groups"] = serializeAws_restJson1_1ListOfSegmentGroup(
-      input.Groups,
-      context
-    );
-  }
-  if (input.Include !== undefined) {
-    bodyParams["Include"] = input.Include;
-  }
-  return bodyParams;
+  return {
+    ...(input.Groups !== undefined && {
+      Groups: serializeAws_restJson1_1ListOfSegmentGroup(input.Groups, context)
+    }),
+    ...(input.Include !== undefined && { Include: input.Include })
+  };
 };
 
 const serializeAws_restJson1_1SegmentLocation = (
   input: SegmentLocation,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Country !== undefined) {
-    bodyParams["Country"] = serializeAws_restJson1_1SetDimension(
-      input.Country,
-      context
-    );
-  }
-  if (input.GPSPoint !== undefined) {
-    bodyParams["GPSPoint"] = serializeAws_restJson1_1GPSPointDimension(
-      input.GPSPoint,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Country !== undefined && {
+      Country: serializeAws_restJson1_1SetDimension(input.Country, context)
+    }),
+    ...(input.GPSPoint !== undefined && {
+      GPSPoint: serializeAws_restJson1_1GPSPointDimension(
+        input.GPSPoint,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1SegmentReference = (
   input: SegmentReference,
   context: __SerdeContext
-): any => {
-  const bodyParams: any = {};
-  if (input.Id !== undefined) {
-    bodyParams["Id"] = input.Id;
-  }
-  if (input.Version !== undefined) {
-    bodyParams["Version"] = input.Version;
-  }
-  return bodyParams;
-};
-
-const serializeAws_restJson1_1SendUsersMessageRequest = (
-  input: SendUsersMessageRequest,
-  context: __SerdeContext
-): any => {
-  const bodyParams: any = {};
-  if (input.Context !== undefined) {
-    bodyParams["Context"] = serializeAws_restJson1_1MapOf__string(
-      input.Context,
-      context
-    );
-  }
-  if (input.MessageConfiguration !== undefined) {
-    bodyParams[
-      "MessageConfiguration"
-    ] = serializeAws_restJson1_1DirectMessageConfiguration(
-      input.MessageConfiguration,
-      context
-    );
-  }
-  if (input.TemplateConfiguration !== undefined) {
-    bodyParams[
-      "TemplateConfiguration"
-    ] = serializeAws_restJson1_1TemplateConfiguration(
-      input.TemplateConfiguration,
-      context
-    );
-  }
-  if (input.TraceId !== undefined) {
-    bodyParams["TraceId"] = input.TraceId;
-  }
-  if (input.Users !== undefined) {
-    bodyParams[
-      "Users"
-    ] = serializeAws_restJson1_1MapOfEndpointSendConfiguration(
-      input.Users,
-      context
-    );
-  }
-  return bodyParams;
+): any => {
+  return {
+    ...(input.Id !== undefined && { Id: input.Id }),
+    ...(input.Version !== undefined && { Version: input.Version })
+  };
+};
+
+const serializeAws_restJson1_1SendUsersMessageRequest = (
+  input: SendUsersMessageRequest,
+  context: __SerdeContext
+): any => {
+  return {
+    ...(input.Context !== undefined && {
+      Context: serializeAws_restJson1_1MapOf__string(input.Context, context)
+    }),
+    ...(input.MessageConfiguration !== undefined && {
+      MessageConfiguration: serializeAws_restJson1_1DirectMessageConfiguration(
+        input.MessageConfiguration,
+        context
+      )
+    }),
+    ...(input.TemplateConfiguration !== undefined && {
+      TemplateConfiguration: serializeAws_restJson1_1TemplateConfiguration(
+        input.TemplateConfiguration,
+        context
+      )
+    }),
+    ...(input.TraceId !== undefined && { TraceId: input.TraceId }),
+    ...(input.Users !== undefined && {
+      Users: serializeAws_restJson1_1MapOfEndpointSendConfiguration(
+        input.Users,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1Session = (
   input: Session,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Duration !== undefined) {
-    bodyParams["Duration"] = input.Duration;
-  }
-  if (input.Id !== undefined) {
-    bodyParams["Id"] = input.Id;
-  }
-  if (input.StartTimestamp !== undefined) {
-    bodyParams["StartTimestamp"] = input.StartTimestamp;
-  }
-  if (input.StopTimestamp !== undefined) {
-    bodyParams["StopTimestamp"] = input.StopTimestamp;
-  }
-  return bodyParams;
+  return {
+    ...(input.Duration !== undefined && { Duration: input.Duration }),
+    ...(input.Id !== undefined && { Id: input.Id }),
+    ...(input.StartTimestamp !== undefined && {
+      StartTimestamp: input.StartTimestamp
+    }),
+    ...(input.StopTimestamp !== undefined && {
+      StopTimestamp: input.StopTimestamp
+    })
+  };
 };
 
 const serializeAws_restJson1_1SetDimension = (
   input: SetDimension,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DimensionType !== undefined) {
-    bodyParams["DimensionType"] = input.DimensionType;
-  }
-  if (input.Values !== undefined) {
-    bodyParams["Values"] = serializeAws_restJson1_1ListOf__string(
-      input.Values,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.DimensionType !== undefined && {
+      DimensionType: input.DimensionType
+    }),
+    ...(input.Values !== undefined && {
+      Values: serializeAws_restJson1_1ListOf__string(input.Values, context)
+    })
+  };
 };
 
 const serializeAws_restJson1_1SimpleCondition = (
   input: SimpleCondition,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EventCondition !== undefined) {
-    bodyParams["EventCondition"] = serializeAws_restJson1_1EventCondition(
-      input.EventCondition,
-      context
-    );
-  }
-  if (input.SegmentCondition !== undefined) {
-    bodyParams["SegmentCondition"] = serializeAws_restJson1_1SegmentCondition(
-      input.SegmentCondition,
-      context
-    );
-  }
-  if (input.SegmentDimensions !== undefined) {
-    bodyParams["segmentDimensions"] = serializeAws_restJson1_1SegmentDimensions(
-      input.SegmentDimensions,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.EventCondition !== undefined && {
+      EventCondition: serializeAws_restJson1_1EventCondition(
+        input.EventCondition,
+        context
+      )
+    }),
+    ...(input.SegmentCondition !== undefined && {
+      SegmentCondition: serializeAws_restJson1_1SegmentCondition(
+        input.SegmentCondition,
+        context
+      )
+    }),
+    ...(input.SegmentDimensions !== undefined && {
+      segmentDimensions: serializeAws_restJson1_1SegmentDimensions(
+        input.SegmentDimensions,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1SimpleEmail = (
   input: SimpleEmail,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.HtmlPart !== undefined) {
-    bodyParams["HtmlPart"] = serializeAws_restJson1_1SimpleEmailPart(
-      input.HtmlPart,
-      context
-    );
-  }
-  if (input.Subject !== undefined) {
-    bodyParams["Subject"] = serializeAws_restJson1_1SimpleEmailPart(
-      input.Subject,
-      context
-    );
-  }
-  if (input.TextPart !== undefined) {
-    bodyParams["TextPart"] = serializeAws_restJson1_1SimpleEmailPart(
-      input.TextPart,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.HtmlPart !== undefined && {
+      HtmlPart: serializeAws_restJson1_1SimpleEmailPart(input.HtmlPart, context)
+    }),
+    ...(input.Subject !== undefined && {
+      Subject: serializeAws_restJson1_1SimpleEmailPart(input.Subject, context)
+    }),
+    ...(input.TextPart !== undefined && {
+      TextPart: serializeAws_restJson1_1SimpleEmailPart(input.TextPart, context)
+    })
+  };
 };
 
 const serializeAws_restJson1_1SimpleEmailPart = (
   input: SimpleEmailPart,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Charset !== undefined) {
-    bodyParams["Charset"] = input.Charset;
-  }
-  if (input.Data !== undefined) {
-    bodyParams["Data"] = input.Data;
-  }
-  return bodyParams;
+  return {
+    ...(input.Charset !== undefined && { Charset: input.Charset }),
+    ...(input.Data !== undefined && { Data: input.Data })
+  };
 };
 
 const serializeAws_restJson1_1StartCondition = (
   input: StartCondition,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.SegmentStartCondition !== undefined) {
-    bodyParams[
-      "SegmentStartCondition"
-    ] = serializeAws_restJson1_1SegmentCondition(
-      input.SegmentStartCondition,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.SegmentStartCondition !== undefined && {
+      SegmentStartCondition: serializeAws_restJson1_1SegmentCondition(
+        input.SegmentStartCondition,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1TagsModel = (
   input: TagsModel,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.tags !== undefined) {
-    bodyParams["tags"] = serializeAws_restJson1_1MapOf__string(
-      input.tags,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.tags !== undefined && {
+      tags: serializeAws_restJson1_1MapOf__string(input.tags, context)
+    })
+  };
 };
 
 const serializeAws_restJson1_1Template = (
   input: Template,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.Version !== undefined) {
-    bodyParams["Version"] = input.Version;
-  }
-  return bodyParams;
+  return {
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.Version !== undefined && { Version: input.Version })
+  };
 };
 
 const serializeAws_restJson1_1TemplateActiveVersionRequest = (
   input: TemplateActiveVersionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Version !== undefined) {
-    bodyParams["Version"] = input.Version;
-  }
-  return bodyParams;
+  return {
+    ...(input.Version !== undefined && { Version: input.Version })
+  };
 };
 
 const serializeAws_restJson1_1TemplateConfiguration = (
   input: TemplateConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EmailTemplate !== undefined) {
-    bodyParams["EmailTemplate"] = serializeAws_restJson1_1Template(
-      input.EmailTemplate,
-      context
-    );
-  }
-  if (input.PushTemplate !== undefined) {
-    bodyParams["PushTemplate"] = serializeAws_restJson1_1Template(
-      input.PushTemplate,
-      context
-    );
-  }
-  if (input.SMSTemplate !== undefined) {
-    bodyParams["SMSTemplate"] = serializeAws_restJson1_1Template(
-      input.SMSTemplate,
-      context
-    );
-  }
-  if (input.VoiceTemplate !== undefined) {
-    bodyParams["VoiceTemplate"] = serializeAws_restJson1_1Template(
-      input.VoiceTemplate,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.EmailTemplate !== undefined && {
+      EmailTemplate: serializeAws_restJson1_1Template(
+        input.EmailTemplate,
+        context
+      )
+    }),
+    ...(input.PushTemplate !== undefined && {
+      PushTemplate: serializeAws_restJson1_1Template(
+        input.PushTemplate,
+        context
+      )
+    }),
+    ...(input.SMSTemplate !== undefined && {
+      SMSTemplate: serializeAws_restJson1_1Template(input.SMSTemplate, context)
+    }),
+    ...(input.VoiceTemplate !== undefined && {
+      VoiceTemplate: serializeAws_restJson1_1Template(
+        input.VoiceTemplate,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1UpdateAttributesRequest = (
   input: UpdateAttributesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Blacklist !== undefined) {
-    bodyParams["Blacklist"] = serializeAws_restJson1_1ListOf__string(
-      input.Blacklist,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Blacklist !== undefined && {
+      Blacklist: serializeAws_restJson1_1ListOf__string(
+        input.Blacklist,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1VoiceChannelRequest = (
   input: VoiceChannelRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Enabled !== undefined) {
-    bodyParams["Enabled"] = input.Enabled;
-  }
-  return bodyParams;
+  return {
+    ...(input.Enabled !== undefined && { Enabled: input.Enabled })
+  };
 };
 
 const serializeAws_restJson1_1VoiceMessage = (
   input: VoiceMessage,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Body !== undefined) {
-    bodyParams["Body"] = input.Body;
-  }
-  if (input.LanguageCode !== undefined) {
-    bodyParams["LanguageCode"] = input.LanguageCode;
-  }
-  if (input.OriginationNumber !== undefined) {
-    bodyParams["OriginationNumber"] = input.OriginationNumber;
-  }
-  if (input.Substitutions !== undefined) {
-    bodyParams["Substitutions"] = serializeAws_restJson1_1MapOfListOf__string(
-      input.Substitutions,
-      context
-    );
-  }
-  if (input.VoiceId !== undefined) {
-    bodyParams["VoiceId"] = input.VoiceId;
-  }
-  return bodyParams;
+  return {
+    ...(input.Body !== undefined && { Body: input.Body }),
+    ...(input.LanguageCode !== undefined && {
+      LanguageCode: input.LanguageCode
+    }),
+    ...(input.OriginationNumber !== undefined && {
+      OriginationNumber: input.OriginationNumber
+    }),
+    ...(input.Substitutions !== undefined && {
+      Substitutions: serializeAws_restJson1_1MapOfListOf__string(
+        input.Substitutions,
+        context
+      )
+    }),
+    ...(input.VoiceId !== undefined && { VoiceId: input.VoiceId })
+  };
 };
 
 const serializeAws_restJson1_1VoiceTemplateRequest = (
   input: VoiceTemplateRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Body !== undefined) {
-    bodyParams["Body"] = input.Body;
-  }
-  if (input.DefaultSubstitutions !== undefined) {
-    bodyParams["DefaultSubstitutions"] = input.DefaultSubstitutions;
-  }
-  if (input.LanguageCode !== undefined) {
-    bodyParams["LanguageCode"] = input.LanguageCode;
-  }
-  if (input.TemplateDescription !== undefined) {
-    bodyParams["TemplateDescription"] = input.TemplateDescription;
-  }
-  if (input.VoiceId !== undefined) {
-    bodyParams["VoiceId"] = input.VoiceId;
-  }
-  if (input.tags !== undefined) {
-    bodyParams["tags"] = serializeAws_restJson1_1MapOf__string(
-      input.tags,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Body !== undefined && { Body: input.Body }),
+    ...(input.DefaultSubstitutions !== undefined && {
+      DefaultSubstitutions: input.DefaultSubstitutions
+    }),
+    ...(input.LanguageCode !== undefined && {
+      LanguageCode: input.LanguageCode
+    }),
+    ...(input.TemplateDescription !== undefined && {
+      TemplateDescription: input.TemplateDescription
+    }),
+    ...(input.VoiceId !== undefined && { VoiceId: input.VoiceId }),
+    ...(input.tags !== undefined && {
+      tags: serializeAws_restJson1_1MapOf__string(input.tags, context)
+    })
+  };
 };
 
 const serializeAws_restJson1_1WaitActivity = (
   input: WaitActivity,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.NextActivity !== undefined) {
-    bodyParams["NextActivity"] = input.NextActivity;
-  }
-  if (input.WaitTime !== undefined) {
-    bodyParams["WaitTime"] = serializeAws_restJson1_1WaitTime(
-      input.WaitTime,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.NextActivity !== undefined && {
+      NextActivity: input.NextActivity
+    }),
+    ...(input.WaitTime !== undefined && {
+      WaitTime: serializeAws_restJson1_1WaitTime(input.WaitTime, context)
+    })
+  };
 };
 
 const serializeAws_restJson1_1WaitTime = (
   input: WaitTime,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.WaitFor !== undefined) {
-    bodyParams["WaitFor"] = input.WaitFor;
-  }
-  if (input.WaitUntil !== undefined) {
-    bodyParams["WaitUntil"] = input.WaitUntil;
-  }
-  return bodyParams;
+  return {
+    ...(input.WaitFor !== undefined && { WaitFor: input.WaitFor }),
+    ...(input.WaitUntil !== undefined && { WaitUntil: input.WaitUntil })
+  };
 };
 
 const serializeAws_restJson1_1WriteApplicationSettingsRequest = (
   input: WriteApplicationSettingsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CampaignHook !== undefined) {
-    bodyParams["CampaignHook"] = serializeAws_restJson1_1CampaignHook(
-      input.CampaignHook,
-      context
-    );
-  }
-  if (input.CloudWatchMetricsEnabled !== undefined) {
-    bodyParams["CloudWatchMetricsEnabled"] = input.CloudWatchMetricsEnabled;
-  }
-  if (input.Limits !== undefined) {
-    bodyParams["Limits"] = serializeAws_restJson1_1CampaignLimits(
-      input.Limits,
-      context
-    );
-  }
-  if (input.QuietTime !== undefined) {
-    bodyParams["QuietTime"] = serializeAws_restJson1_1QuietTime(
-      input.QuietTime,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.CampaignHook !== undefined && {
+      CampaignHook: serializeAws_restJson1_1CampaignHook(
+        input.CampaignHook,
+        context
+      )
+    }),
+    ...(input.CloudWatchMetricsEnabled !== undefined && {
+      CloudWatchMetricsEnabled: input.CloudWatchMetricsEnabled
+    }),
+    ...(input.Limits !== undefined && {
+      Limits: serializeAws_restJson1_1CampaignLimits(input.Limits, context)
+    }),
+    ...(input.QuietTime !== undefined && {
+      QuietTime: serializeAws_restJson1_1QuietTime(input.QuietTime, context)
+    })
+  };
 };
 
 const serializeAws_restJson1_1WriteCampaignRequest = (
   input: WriteCampaignRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AdditionalTreatments !== undefined) {
-    bodyParams[
-      "AdditionalTreatments"
-    ] = serializeAws_restJson1_1ListOfWriteTreatmentResource(
-      input.AdditionalTreatments,
-      context
-    );
-  }
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.HoldoutPercent !== undefined) {
-    bodyParams["HoldoutPercent"] = input.HoldoutPercent;
-  }
-  if (input.Hook !== undefined) {
-    bodyParams["Hook"] = serializeAws_restJson1_1CampaignHook(
-      input.Hook,
-      context
-    );
-  }
-  if (input.IsPaused !== undefined) {
-    bodyParams["IsPaused"] = input.IsPaused;
-  }
-  if (input.Limits !== undefined) {
-    bodyParams["Limits"] = serializeAws_restJson1_1CampaignLimits(
-      input.Limits,
-      context
-    );
-  }
-  if (input.MessageConfiguration !== undefined) {
-    bodyParams[
-      "MessageConfiguration"
-    ] = serializeAws_restJson1_1MessageConfiguration(
-      input.MessageConfiguration,
-      context
-    );
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.Schedule !== undefined) {
-    bodyParams["Schedule"] = serializeAws_restJson1_1Schedule(
-      input.Schedule,
-      context
-    );
-  }
-  if (input.SegmentId !== undefined) {
-    bodyParams["SegmentId"] = input.SegmentId;
-  }
-  if (input.SegmentVersion !== undefined) {
-    bodyParams["SegmentVersion"] = input.SegmentVersion;
-  }
-  if (input.TemplateConfiguration !== undefined) {
-    bodyParams[
-      "TemplateConfiguration"
-    ] = serializeAws_restJson1_1TemplateConfiguration(
-      input.TemplateConfiguration,
-      context
-    );
-  }
-  if (input.TreatmentDescription !== undefined) {
-    bodyParams["TreatmentDescription"] = input.TreatmentDescription;
-  }
-  if (input.TreatmentName !== undefined) {
-    bodyParams["TreatmentName"] = input.TreatmentName;
-  }
-  if (input.tags !== undefined) {
-    bodyParams["tags"] = serializeAws_restJson1_1MapOf__string(
-      input.tags,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.AdditionalTreatments !== undefined && {
+      AdditionalTreatments: serializeAws_restJson1_1ListOfWriteTreatmentResource(
+        input.AdditionalTreatments,
+        context
+      )
+    }),
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.HoldoutPercent !== undefined && {
+      HoldoutPercent: input.HoldoutPercent
+    }),
+    ...(input.Hook !== undefined && {
+      Hook: serializeAws_restJson1_1CampaignHook(input.Hook, context)
+    }),
+    ...(input.IsPaused !== undefined && { IsPaused: input.IsPaused }),
+    ...(input.Limits !== undefined && {
+      Limits: serializeAws_restJson1_1CampaignLimits(input.Limits, context)
+    }),
+    ...(input.MessageConfiguration !== undefined && {
+      MessageConfiguration: serializeAws_restJson1_1MessageConfiguration(
+        input.MessageConfiguration,
+        context
+      )
+    }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.Schedule !== undefined && {
+      Schedule: serializeAws_restJson1_1Schedule(input.Schedule, context)
+    }),
+    ...(input.SegmentId !== undefined && { SegmentId: input.SegmentId }),
+    ...(input.SegmentVersion !== undefined && {
+      SegmentVersion: input.SegmentVersion
+    }),
+    ...(input.TemplateConfiguration !== undefined && {
+      TemplateConfiguration: serializeAws_restJson1_1TemplateConfiguration(
+        input.TemplateConfiguration,
+        context
+      )
+    }),
+    ...(input.TreatmentDescription !== undefined && {
+      TreatmentDescription: input.TreatmentDescription
+    }),
+    ...(input.TreatmentName !== undefined && {
+      TreatmentName: input.TreatmentName
+    }),
+    ...(input.tags !== undefined && {
+      tags: serializeAws_restJson1_1MapOf__string(input.tags, context)
+    })
+  };
 };
 
 const serializeAws_restJson1_1WriteEventStream = (
   input: WriteEventStream,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DestinationStreamArn !== undefined) {
-    bodyParams["DestinationStreamArn"] = input.DestinationStreamArn;
-  }
-  if (input.RoleArn !== undefined) {
-    bodyParams["RoleArn"] = input.RoleArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.DestinationStreamArn !== undefined && {
+      DestinationStreamArn: input.DestinationStreamArn
+    }),
+    ...(input.RoleArn !== undefined && { RoleArn: input.RoleArn })
+  };
 };
 
 const serializeAws_restJson1_1WriteJourneyRequest = (
   input: WriteJourneyRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Activities !== undefined) {
-    bodyParams["Activities"] = serializeAws_restJson1_1MapOfActivity(
-      input.Activities,
-      context
-    );
-  }
-  if (input.CreationDate !== undefined) {
-    bodyParams["CreationDate"] = input.CreationDate;
-  }
-  if (input.LastModifiedDate !== undefined) {
-    bodyParams["LastModifiedDate"] = input.LastModifiedDate;
-  }
-  if (input.Limits !== undefined) {
-    bodyParams["Limits"] = serializeAws_restJson1_1JourneyLimits(
-      input.Limits,
-      context
-    );
-  }
-  if (input.LocalTime !== undefined) {
-    bodyParams["LocalTime"] = input.LocalTime;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.QuietTime !== undefined) {
-    bodyParams["QuietTime"] = serializeAws_restJson1_1QuietTime(
-      input.QuietTime,
-      context
-    );
-  }
-  if (input.RefreshFrequency !== undefined) {
-    bodyParams["RefreshFrequency"] = input.RefreshFrequency;
-  }
-  if (input.Schedule !== undefined) {
-    bodyParams["Schedule"] = serializeAws_restJson1_1JourneySchedule(
-      input.Schedule,
-      context
-    );
-  }
-  if (input.StartActivity !== undefined) {
-    bodyParams["StartActivity"] = input.StartActivity;
-  }
-  if (input.StartCondition !== undefined) {
-    bodyParams["StartCondition"] = serializeAws_restJson1_1StartCondition(
-      input.StartCondition,
-      context
-    );
-  }
-  if (input.State !== undefined) {
-    bodyParams["State"] = input.State;
-  }
-  return bodyParams;
+  return {
+    ...(input.Activities !== undefined && {
+      Activities: serializeAws_restJson1_1MapOfActivity(
+        input.Activities,
+        context
+      )
+    }),
+    ...(input.CreationDate !== undefined && {
+      CreationDate: input.CreationDate
+    }),
+    ...(input.LastModifiedDate !== undefined && {
+      LastModifiedDate: input.LastModifiedDate
+    }),
+    ...(input.Limits !== undefined && {
+      Limits: serializeAws_restJson1_1JourneyLimits(input.Limits, context)
+    }),
+    ...(input.LocalTime !== undefined && { LocalTime: input.LocalTime }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.QuietTime !== undefined && {
+      QuietTime: serializeAws_restJson1_1QuietTime(input.QuietTime, context)
+    }),
+    ...(input.RefreshFrequency !== undefined && {
+      RefreshFrequency: input.RefreshFrequency
+    }),
+    ...(input.Schedule !== undefined && {
+      Schedule: serializeAws_restJson1_1JourneySchedule(input.Schedule, context)
+    }),
+    ...(input.StartActivity !== undefined && {
+      StartActivity: input.StartActivity
+    }),
+    ...(input.StartCondition !== undefined && {
+      StartCondition: serializeAws_restJson1_1StartCondition(
+        input.StartCondition,
+        context
+      )
+    }),
+    ...(input.State !== undefined && { State: input.State })
+  };
 };
 
 const serializeAws_restJson1_1WriteSegmentRequest = (
   input: WriteSegmentRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Dimensions !== undefined) {
-    bodyParams["Dimensions"] = serializeAws_restJson1_1SegmentDimensions(
-      input.Dimensions,
-      context
-    );
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.SegmentGroups !== undefined) {
-    bodyParams["SegmentGroups"] = serializeAws_restJson1_1SegmentGroupList(
-      input.SegmentGroups,
-      context
-    );
-  }
-  if (input.tags !== undefined) {
-    bodyParams["tags"] = serializeAws_restJson1_1MapOf__string(
-      input.tags,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Dimensions !== undefined && {
+      Dimensions: serializeAws_restJson1_1SegmentDimensions(
+        input.Dimensions,
+        context
+      )
+    }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.SegmentGroups !== undefined && {
+      SegmentGroups: serializeAws_restJson1_1SegmentGroupList(
+        input.SegmentGroups,
+        context
+      )
+    }),
+    ...(input.tags !== undefined && {
+      tags: serializeAws_restJson1_1MapOf__string(input.tags, context)
+    })
+  };
 };
 
 const serializeAws_restJson1_1WriteTreatmentResource = (
   input: WriteTreatmentResource,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MessageConfiguration !== undefined) {
-    bodyParams[
-      "MessageConfiguration"
-    ] = serializeAws_restJson1_1MessageConfiguration(
-      input.MessageConfiguration,
-      context
-    );
-  }
-  if (input.Schedule !== undefined) {
-    bodyParams["Schedule"] = serializeAws_restJson1_1Schedule(
-      input.Schedule,
-      context
-    );
-  }
-  if (input.SizePercent !== undefined) {
-    bodyParams["SizePercent"] = input.SizePercent;
-  }
-  if (input.TemplateConfiguration !== undefined) {
-    bodyParams[
-      "TemplateConfiguration"
-    ] = serializeAws_restJson1_1TemplateConfiguration(
-      input.TemplateConfiguration,
-      context
-    );
-  }
-  if (input.TreatmentDescription !== undefined) {
-    bodyParams["TreatmentDescription"] = input.TreatmentDescription;
-  }
-  if (input.TreatmentName !== undefined) {
-    bodyParams["TreatmentName"] = input.TreatmentName;
-  }
-  return bodyParams;
+  return {
+    ...(input.MessageConfiguration !== undefined && {
+      MessageConfiguration: serializeAws_restJson1_1MessageConfiguration(
+        input.MessageConfiguration,
+        context
+      )
+    }),
+    ...(input.Schedule !== undefined && {
+      Schedule: serializeAws_restJson1_1Schedule(input.Schedule, context)
+    }),
+    ...(input.SizePercent !== undefined && { SizePercent: input.SizePercent }),
+    ...(input.TemplateConfiguration !== undefined && {
+      TemplateConfiguration: serializeAws_restJson1_1TemplateConfiguration(
+        input.TemplateConfiguration,
+        context
+      )
+    }),
+    ...(input.TreatmentDescription !== undefined && {
+      TreatmentDescription: input.TreatmentDescription
+    }),
+    ...(input.TreatmentName !== undefined && {
+      TreatmentName: input.TreatmentName
+    })
+  };
 };
 
 const deserializeAws_restJson1_1ADMChannelResponse = (
diff --git a/clients/client-pricing/protocols/Aws_json1_1.ts b/clients/client-pricing/protocols/Aws_json1_1.ts
index 5630871fe133..62b30281a033 100644
--- a/clients/client-pricing/protocols/Aws_json1_1.ts
+++ b/clients/client-pricing/protocols/Aws_json1_1.ts
@@ -494,37 +494,25 @@ const serializeAws_json1_1DescribeServicesRequest = (
   input: DescribeServicesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.FormatVersion !== undefined) {
-    bodyParams["FormatVersion"] = input.FormatVersion;
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.ServiceCode !== undefined) {
-    bodyParams["ServiceCode"] = input.ServiceCode;
-  }
-  return bodyParams;
+  return {
+    ...(input.FormatVersion !== undefined && {
+      FormatVersion: input.FormatVersion
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.ServiceCode !== undefined && { ServiceCode: input.ServiceCode })
+  };
 };
 
 const serializeAws_json1_1Filter = (
   input: Filter,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Field !== undefined) {
-    bodyParams["Field"] = input.Field;
-  }
-  if (input.Type !== undefined) {
-    bodyParams["Type"] = input.Type;
-  }
-  if (input.Value !== undefined) {
-    bodyParams["Value"] = input.Value;
-  }
-  return bodyParams;
+  return {
+    ...(input.Field !== undefined && { Field: input.Field }),
+    ...(input.Type !== undefined && { Type: input.Type }),
+    ...(input.Value !== undefined && { Value: input.Value })
+  };
 };
 
 const serializeAws_json1_1Filters = (
@@ -538,43 +526,31 @@ const serializeAws_json1_1GetAttributeValuesRequest = (
   input: GetAttributeValuesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AttributeName !== undefined) {
-    bodyParams["AttributeName"] = input.AttributeName;
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.ServiceCode !== undefined) {
-    bodyParams["ServiceCode"] = input.ServiceCode;
-  }
-  return bodyParams;
+  return {
+    ...(input.AttributeName !== undefined && {
+      AttributeName: input.AttributeName
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.ServiceCode !== undefined && { ServiceCode: input.ServiceCode })
+  };
 };
 
 const serializeAws_json1_1GetProductsRequest = (
   input: GetProductsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Filters !== undefined) {
-    bodyParams["Filters"] = serializeAws_json1_1Filters(input.Filters, context);
-  }
-  if (input.FormatVersion !== undefined) {
-    bodyParams["FormatVersion"] = input.FormatVersion;
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.ServiceCode !== undefined) {
-    bodyParams["ServiceCode"] = input.ServiceCode;
-  }
-  return bodyParams;
+  return {
+    ...(input.Filters !== undefined && {
+      Filters: serializeAws_json1_1Filters(input.Filters, context)
+    }),
+    ...(input.FormatVersion !== undefined && {
+      FormatVersion: input.FormatVersion
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.ServiceCode !== undefined && { ServiceCode: input.ServiceCode })
+  };
 };
 
 const deserializeAws_json1_1AttributeNameList = (
diff --git a/clients/client-qldb-session/protocols/Aws_json1_0.ts b/clients/client-qldb-session/protocols/Aws_json1_0.ts
index 9e274b48cacd..b7f72b9202d3 100644
--- a/clients/client-qldb-session/protocols/Aws_json1_0.ts
+++ b/clients/client-qldb-session/protocols/Aws_json1_0.ts
@@ -251,144 +251,126 @@ const serializeAws_json1_0AbortTransactionRequest = (
   input: AbortTransactionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  return bodyParams;
+  return {};
 };
 
 const serializeAws_json1_0CommitTransactionRequest = (
   input: CommitTransactionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CommitDigest !== undefined) {
-    bodyParams["CommitDigest"] = context.base64Encoder(input.CommitDigest);
-  }
-  if (input.TransactionId !== undefined) {
-    bodyParams["TransactionId"] = input.TransactionId;
-  }
-  return bodyParams;
+  return {
+    ...(input.CommitDigest !== undefined && {
+      CommitDigest: context.base64Encoder(input.CommitDigest)
+    }),
+    ...(input.TransactionId !== undefined && {
+      TransactionId: input.TransactionId
+    })
+  };
 };
 
 const serializeAws_json1_0EndSessionRequest = (
   input: EndSessionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  return bodyParams;
+  return {};
 };
 
 const serializeAws_json1_0ExecuteStatementRequest = (
   input: ExecuteStatementRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Parameters !== undefined) {
-    bodyParams["Parameters"] = serializeAws_json1_0StatementParameters(
-      input.Parameters,
-      context
-    );
-  }
-  if (input.Statement !== undefined) {
-    bodyParams["Statement"] = input.Statement;
-  }
-  if (input.TransactionId !== undefined) {
-    bodyParams["TransactionId"] = input.TransactionId;
-  }
-  return bodyParams;
+  return {
+    ...(input.Parameters !== undefined && {
+      Parameters: serializeAws_json1_0StatementParameters(
+        input.Parameters,
+        context
+      )
+    }),
+    ...(input.Statement !== undefined && { Statement: input.Statement }),
+    ...(input.TransactionId !== undefined && {
+      TransactionId: input.TransactionId
+    })
+  };
 };
 
 const serializeAws_json1_0FetchPageRequest = (
   input: FetchPageRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.NextPageToken !== undefined) {
-    bodyParams["NextPageToken"] = input.NextPageToken;
-  }
-  if (input.TransactionId !== undefined) {
-    bodyParams["TransactionId"] = input.TransactionId;
-  }
-  return bodyParams;
+  return {
+    ...(input.NextPageToken !== undefined && {
+      NextPageToken: input.NextPageToken
+    }),
+    ...(input.TransactionId !== undefined && {
+      TransactionId: input.TransactionId
+    })
+  };
 };
 
 const serializeAws_json1_0SendCommandRequest = (
   input: SendCommandRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AbortTransaction !== undefined) {
-    bodyParams[
-      "AbortTransaction"
-    ] = serializeAws_json1_0AbortTransactionRequest(
-      input.AbortTransaction,
-      context
-    );
-  }
-  if (input.CommitTransaction !== undefined) {
-    bodyParams[
-      "CommitTransaction"
-    ] = serializeAws_json1_0CommitTransactionRequest(
-      input.CommitTransaction,
-      context
-    );
-  }
-  if (input.EndSession !== undefined) {
-    bodyParams["EndSession"] = serializeAws_json1_0EndSessionRequest(
-      input.EndSession,
-      context
-    );
-  }
-  if (input.ExecuteStatement !== undefined) {
-    bodyParams[
-      "ExecuteStatement"
-    ] = serializeAws_json1_0ExecuteStatementRequest(
-      input.ExecuteStatement,
-      context
-    );
-  }
-  if (input.FetchPage !== undefined) {
-    bodyParams["FetchPage"] = serializeAws_json1_0FetchPageRequest(
-      input.FetchPage,
-      context
-    );
-  }
-  if (input.SessionToken !== undefined) {
-    bodyParams["SessionToken"] = input.SessionToken;
-  }
-  if (input.StartSession !== undefined) {
-    bodyParams["StartSession"] = serializeAws_json1_0StartSessionRequest(
-      input.StartSession,
-      context
-    );
-  }
-  if (input.StartTransaction !== undefined) {
-    bodyParams[
-      "StartTransaction"
-    ] = serializeAws_json1_0StartTransactionRequest(
-      input.StartTransaction,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.AbortTransaction !== undefined && {
+      AbortTransaction: serializeAws_json1_0AbortTransactionRequest(
+        input.AbortTransaction,
+        context
+      )
+    }),
+    ...(input.CommitTransaction !== undefined && {
+      CommitTransaction: serializeAws_json1_0CommitTransactionRequest(
+        input.CommitTransaction,
+        context
+      )
+    }),
+    ...(input.EndSession !== undefined && {
+      EndSession: serializeAws_json1_0EndSessionRequest(
+        input.EndSession,
+        context
+      )
+    }),
+    ...(input.ExecuteStatement !== undefined && {
+      ExecuteStatement: serializeAws_json1_0ExecuteStatementRequest(
+        input.ExecuteStatement,
+        context
+      )
+    }),
+    ...(input.FetchPage !== undefined && {
+      FetchPage: serializeAws_json1_0FetchPageRequest(input.FetchPage, context)
+    }),
+    ...(input.SessionToken !== undefined && {
+      SessionToken: input.SessionToken
+    }),
+    ...(input.StartSession !== undefined && {
+      StartSession: serializeAws_json1_0StartSessionRequest(
+        input.StartSession,
+        context
+      )
+    }),
+    ...(input.StartTransaction !== undefined && {
+      StartTransaction: serializeAws_json1_0StartTransactionRequest(
+        input.StartTransaction,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_0StartSessionRequest = (
   input: StartSessionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.LedgerName !== undefined) {
-    bodyParams["LedgerName"] = input.LedgerName;
-  }
-  return bodyParams;
+  return {
+    ...(input.LedgerName !== undefined && { LedgerName: input.LedgerName })
+  };
 };
 
 const serializeAws_json1_0StartTransactionRequest = (
   input: StartTransactionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  return bodyParams;
+  return {};
 };
 
 const serializeAws_json1_0StatementParameters = (
@@ -402,14 +384,12 @@ const serializeAws_json1_0ValueHolder = (
   input: ValueHolder,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.IonBinary !== undefined) {
-    bodyParams["IonBinary"] = context.base64Encoder(input.IonBinary);
-  }
-  if (input.IonText !== undefined) {
-    bodyParams["IonText"] = input.IonText;
-  }
-  return bodyParams;
+  return {
+    ...(input.IonBinary !== undefined && {
+      IonBinary: context.base64Encoder(input.IonBinary)
+    }),
+    ...(input.IonText !== undefined && { IonText: input.IonText })
+  };
 };
 
 const deserializeAws_json1_0AbortTransactionResult = (
diff --git a/clients/client-qldb/protocols/Aws_restJson1_1.ts b/clients/client-qldb/protocols/Aws_restJson1_1.ts
index 9475622df27e..b6fa504ed20c 100644
--- a/clients/client-qldb/protocols/Aws_restJson1_1.ts
+++ b/clients/client-qldb/protocols/Aws_restJson1_1.ts
@@ -1974,36 +1974,28 @@ const serializeAws_restJson1_1S3EncryptionConfiguration = (
   input: S3EncryptionConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.KmsKeyArn !== undefined) {
-    bodyParams["KmsKeyArn"] = input.KmsKeyArn;
-  }
-  if (input.ObjectEncryptionType !== undefined) {
-    bodyParams["ObjectEncryptionType"] = input.ObjectEncryptionType;
-  }
-  return bodyParams;
+  return {
+    ...(input.KmsKeyArn !== undefined && { KmsKeyArn: input.KmsKeyArn }),
+    ...(input.ObjectEncryptionType !== undefined && {
+      ObjectEncryptionType: input.ObjectEncryptionType
+    })
+  };
 };
 
 const serializeAws_restJson1_1S3ExportConfiguration = (
   input: S3ExportConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Bucket !== undefined) {
-    bodyParams["Bucket"] = input.Bucket;
-  }
-  if (input.EncryptionConfiguration !== undefined) {
-    bodyParams[
-      "EncryptionConfiguration"
-    ] = serializeAws_restJson1_1S3EncryptionConfiguration(
-      input.EncryptionConfiguration,
-      context
-    );
-  }
-  if (input.Prefix !== undefined) {
-    bodyParams["Prefix"] = input.Prefix;
-  }
-  return bodyParams;
+  return {
+    ...(input.Bucket !== undefined && { Bucket: input.Bucket }),
+    ...(input.EncryptionConfiguration !== undefined && {
+      EncryptionConfiguration: serializeAws_restJson1_1S3EncryptionConfiguration(
+        input.EncryptionConfiguration,
+        context
+      )
+    }),
+    ...(input.Prefix !== undefined && { Prefix: input.Prefix })
+  };
 };
 
 const serializeAws_restJson1_1Tags = (
@@ -2020,11 +2012,9 @@ const serializeAws_restJson1_1ValueHolder = (
   input: ValueHolder,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.IonText !== undefined) {
-    bodyParams["IonText"] = input.IonText;
-  }
-  return bodyParams;
+  return {
+    ...(input.IonText !== undefined && { IonText: input.IonText })
+  };
 };
 
 const deserializeAws_restJson1_1JournalS3ExportDescription = (
diff --git a/clients/client-quicksight/protocols/Aws_restJson1_1.ts b/clients/client-quicksight/protocols/Aws_restJson1_1.ts
index 34e4e859c718..6ba6a267add3 100644
--- a/clients/client-quicksight/protocols/Aws_restJson1_1.ts
+++ b/clients/client-quicksight/protocols/Aws_restJson1_1.ts
@@ -13104,95 +13104,71 @@ const serializeAws_restJson1_1AdHocFilteringOption = (
   input: AdHocFilteringOption,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AvailabilityStatus !== undefined) {
-    bodyParams["AvailabilityStatus"] = input.AvailabilityStatus;
-  }
-  return bodyParams;
+  return {
+    ...(input.AvailabilityStatus !== undefined && {
+      AvailabilityStatus: input.AvailabilityStatus
+    })
+  };
 };
 
 const serializeAws_restJson1_1AmazonElasticsearchParameters = (
   input: AmazonElasticsearchParameters,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Domain !== undefined) {
-    bodyParams["Domain"] = input.Domain;
-  }
-  return bodyParams;
+  return {
+    ...(input.Domain !== undefined && { Domain: input.Domain })
+  };
 };
 
 const serializeAws_restJson1_1AthenaParameters = (
   input: AthenaParameters,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.WorkGroup !== undefined) {
-    bodyParams["WorkGroup"] = input.WorkGroup;
-  }
-  return bodyParams;
+  return {
+    ...(input.WorkGroup !== undefined && { WorkGroup: input.WorkGroup })
+  };
 };
 
 const serializeAws_restJson1_1AuroraParameters = (
   input: AuroraParameters,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Database !== undefined) {
-    bodyParams["Database"] = input.Database;
-  }
-  if (input.Host !== undefined) {
-    bodyParams["Host"] = input.Host;
-  }
-  if (input.Port !== undefined) {
-    bodyParams["Port"] = input.Port;
-  }
-  return bodyParams;
+  return {
+    ...(input.Database !== undefined && { Database: input.Database }),
+    ...(input.Host !== undefined && { Host: input.Host }),
+    ...(input.Port !== undefined && { Port: input.Port })
+  };
 };
 
 const serializeAws_restJson1_1AuroraPostgreSqlParameters = (
   input: AuroraPostgreSqlParameters,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Database !== undefined) {
-    bodyParams["Database"] = input.Database;
-  }
-  if (input.Host !== undefined) {
-    bodyParams["Host"] = input.Host;
-  }
-  if (input.Port !== undefined) {
-    bodyParams["Port"] = input.Port;
-  }
-  return bodyParams;
+  return {
+    ...(input.Database !== undefined && { Database: input.Database }),
+    ...(input.Host !== undefined && { Host: input.Host }),
+    ...(input.Port !== undefined && { Port: input.Port })
+  };
 };
 
 const serializeAws_restJson1_1AwsIotAnalyticsParameters = (
   input: AwsIotAnalyticsParameters,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DataSetName !== undefined) {
-    bodyParams["DataSetName"] = input.DataSetName;
-  }
-  return bodyParams;
+  return {
+    ...(input.DataSetName !== undefined && { DataSetName: input.DataSetName })
+  };
 };
 
 const serializeAws_restJson1_1CalculatedColumn = (
   input: CalculatedColumn,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ColumnId !== undefined) {
-    bodyParams["ColumnId"] = input.ColumnId;
-  }
-  if (input.ColumnName !== undefined) {
-    bodyParams["ColumnName"] = input.ColumnName;
-  }
-  if (input.Expression !== undefined) {
-    bodyParams["Expression"] = input.Expression;
-  }
-  return bodyParams;
+  return {
+    ...(input.ColumnId !== undefined && { ColumnId: input.ColumnId }),
+    ...(input.ColumnName !== undefined && { ColumnName: input.ColumnName }),
+    ...(input.Expression !== undefined && { Expression: input.Expression })
+  };
 };
 
 const serializeAws_restJson1_1CalculatedColumnList = (
@@ -13208,33 +13184,27 @@ const serializeAws_restJson1_1CastColumnTypeOperation = (
   input: CastColumnTypeOperation,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ColumnName !== undefined) {
-    bodyParams["ColumnName"] = input.ColumnName;
-  }
-  if (input.Format !== undefined) {
-    bodyParams["Format"] = input.Format;
-  }
-  if (input.NewColumnType !== undefined) {
-    bodyParams["NewColumnType"] = input.NewColumnType;
-  }
-  return bodyParams;
+  return {
+    ...(input.ColumnName !== undefined && { ColumnName: input.ColumnName }),
+    ...(input.Format !== undefined && { Format: input.Format }),
+    ...(input.NewColumnType !== undefined && {
+      NewColumnType: input.NewColumnType
+    })
+  };
 };
 
 const serializeAws_restJson1_1ColumnGroup = (
   input: ColumnGroup,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.GeoSpatialColumnGroup !== undefined) {
-    bodyParams[
-      "GeoSpatialColumnGroup"
-    ] = serializeAws_restJson1_1GeoSpatialColumnGroup(
-      input.GeoSpatialColumnGroup,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.GeoSpatialColumnGroup !== undefined && {
+      GeoSpatialColumnGroup: serializeAws_restJson1_1GeoSpatialColumnGroup(
+        input.GeoSpatialColumnGroup,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1ColumnGroupList = (
@@ -13257,11 +13227,11 @@ const serializeAws_restJson1_1ColumnTag = (
   input: ColumnTag,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ColumnGeographicRole !== undefined) {
-    bodyParams["ColumnGeographicRole"] = input.ColumnGeographicRole;
-  }
-  return bodyParams;
+  return {
+    ...(input.ColumnGeographicRole !== undefined && {
+      ColumnGeographicRole: input.ColumnGeographicRole
+    })
+  };
 };
 
 const serializeAws_restJson1_1ColumnTagList = (
@@ -13275,130 +13245,107 @@ const serializeAws_restJson1_1CreateColumnsOperation = (
   input: CreateColumnsOperation,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Columns !== undefined) {
-    bodyParams["Columns"] = serializeAws_restJson1_1CalculatedColumnList(
-      input.Columns,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Columns !== undefined && {
+      Columns: serializeAws_restJson1_1CalculatedColumnList(
+        input.Columns,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1CredentialPair = (
   input: CredentialPair,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Password !== undefined) {
-    bodyParams["Password"] = input.Password;
-  }
-  if (input.Username !== undefined) {
-    bodyParams["Username"] = input.Username;
-  }
-  return bodyParams;
+  return {
+    ...(input.Password !== undefined && { Password: input.Password }),
+    ...(input.Username !== undefined && { Username: input.Username })
+  };
 };
 
 const serializeAws_restJson1_1CustomSql = (
   input: CustomSql,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Columns !== undefined) {
-    bodyParams["Columns"] = serializeAws_restJson1_1InputColumnList(
-      input.Columns,
-      context
-    );
-  }
-  if (input.DataSourceArn !== undefined) {
-    bodyParams["DataSourceArn"] = input.DataSourceArn;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.SqlQuery !== undefined) {
-    bodyParams["SqlQuery"] = input.SqlQuery;
-  }
-  return bodyParams;
+  return {
+    ...(input.Columns !== undefined && {
+      Columns: serializeAws_restJson1_1InputColumnList(input.Columns, context)
+    }),
+    ...(input.DataSourceArn !== undefined && {
+      DataSourceArn: input.DataSourceArn
+    }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.SqlQuery !== undefined && { SqlQuery: input.SqlQuery })
+  };
 };
 
 const serializeAws_restJson1_1DashboardPublishOptions = (
   input: DashboardPublishOptions,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AdHocFilteringOption !== undefined) {
-    bodyParams[
-      "AdHocFilteringOption"
-    ] = serializeAws_restJson1_1AdHocFilteringOption(
-      input.AdHocFilteringOption,
-      context
-    );
-  }
-  if (input.ExportToCSVOption !== undefined) {
-    bodyParams["ExportToCSVOption"] = serializeAws_restJson1_1ExportToCSVOption(
-      input.ExportToCSVOption,
-      context
-    );
-  }
-  if (input.SheetControlsOption !== undefined) {
-    bodyParams[
-      "SheetControlsOption"
-    ] = serializeAws_restJson1_1SheetControlsOption(
-      input.SheetControlsOption,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.AdHocFilteringOption !== undefined && {
+      AdHocFilteringOption: serializeAws_restJson1_1AdHocFilteringOption(
+        input.AdHocFilteringOption,
+        context
+      )
+    }),
+    ...(input.ExportToCSVOption !== undefined && {
+      ExportToCSVOption: serializeAws_restJson1_1ExportToCSVOption(
+        input.ExportToCSVOption,
+        context
+      )
+    }),
+    ...(input.SheetControlsOption !== undefined && {
+      SheetControlsOption: serializeAws_restJson1_1SheetControlsOption(
+        input.SheetControlsOption,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1DashboardSourceEntity = (
   input: DashboardSourceEntity,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.SourceTemplate !== undefined) {
-    bodyParams[
-      "SourceTemplate"
-    ] = serializeAws_restJson1_1DashboardSourceTemplate(
-      input.SourceTemplate,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.SourceTemplate !== undefined && {
+      SourceTemplate: serializeAws_restJson1_1DashboardSourceTemplate(
+        input.SourceTemplate,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1DashboardSourceTemplate = (
   input: DashboardSourceTemplate,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Arn !== undefined) {
-    bodyParams["Arn"] = input.Arn;
-  }
-  if (input.DataSetReferences !== undefined) {
-    bodyParams[
-      "DataSetReferences"
-    ] = serializeAws_restJson1_1DataSetReferenceList(
-      input.DataSetReferences,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Arn !== undefined && { Arn: input.Arn }),
+    ...(input.DataSetReferences !== undefined && {
+      DataSetReferences: serializeAws_restJson1_1DataSetReferenceList(
+        input.DataSetReferences,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1DataSetReference = (
   input: DataSetReference,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DataSetArn !== undefined) {
-    bodyParams["DataSetArn"] = input.DataSetArn;
-  }
-  if (input.DataSetPlaceholder !== undefined) {
-    bodyParams["DataSetPlaceholder"] = input.DataSetPlaceholder;
-  }
-  return bodyParams;
+  return {
+    ...(input.DataSetArn !== undefined && { DataSetArn: input.DataSetArn }),
+    ...(input.DataSetPlaceholder !== undefined && {
+      DataSetPlaceholder: input.DataSetPlaceholder
+    })
+  };
 };
 
 const serializeAws_restJson1_1DataSetReferenceList = (
@@ -13414,171 +13361,148 @@ const serializeAws_restJson1_1DataSourceCredentials = (
   input: DataSourceCredentials,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CredentialPair !== undefined) {
-    bodyParams["CredentialPair"] = serializeAws_restJson1_1CredentialPair(
-      input.CredentialPair,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.CredentialPair !== undefined && {
+      CredentialPair: serializeAws_restJson1_1CredentialPair(
+        input.CredentialPair,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1DataSourceParameters = (
   input: DataSourceParameters,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AmazonElasticsearchParameters !== undefined) {
-    bodyParams[
-      "AmazonElasticsearchParameters"
-    ] = serializeAws_restJson1_1AmazonElasticsearchParameters(
-      input.AmazonElasticsearchParameters,
-      context
-    );
-  }
-  if (input.AthenaParameters !== undefined) {
-    bodyParams["AthenaParameters"] = serializeAws_restJson1_1AthenaParameters(
-      input.AthenaParameters,
-      context
-    );
-  }
-  if (input.AuroraParameters !== undefined) {
-    bodyParams["AuroraParameters"] = serializeAws_restJson1_1AuroraParameters(
-      input.AuroraParameters,
-      context
-    );
-  }
-  if (input.AuroraPostgreSqlParameters !== undefined) {
-    bodyParams[
-      "AuroraPostgreSqlParameters"
-    ] = serializeAws_restJson1_1AuroraPostgreSqlParameters(
-      input.AuroraPostgreSqlParameters,
-      context
-    );
-  }
-  if (input.AwsIotAnalyticsParameters !== undefined) {
-    bodyParams[
-      "AwsIotAnalyticsParameters"
-    ] = serializeAws_restJson1_1AwsIotAnalyticsParameters(
-      input.AwsIotAnalyticsParameters,
-      context
-    );
-  }
-  if (input.JiraParameters !== undefined) {
-    bodyParams["JiraParameters"] = serializeAws_restJson1_1JiraParameters(
-      input.JiraParameters,
-      context
-    );
-  }
-  if (input.MariaDbParameters !== undefined) {
-    bodyParams["MariaDbParameters"] = serializeAws_restJson1_1MariaDbParameters(
-      input.MariaDbParameters,
-      context
-    );
-  }
-  if (input.MySqlParameters !== undefined) {
-    bodyParams["MySqlParameters"] = serializeAws_restJson1_1MySqlParameters(
-      input.MySqlParameters,
-      context
-    );
-  }
-  if (input.PostgreSqlParameters !== undefined) {
-    bodyParams[
-      "PostgreSqlParameters"
-    ] = serializeAws_restJson1_1PostgreSqlParameters(
-      input.PostgreSqlParameters,
-      context
-    );
-  }
-  if (input.PrestoParameters !== undefined) {
-    bodyParams["PrestoParameters"] = serializeAws_restJson1_1PrestoParameters(
-      input.PrestoParameters,
-      context
-    );
-  }
-  if (input.RdsParameters !== undefined) {
-    bodyParams["RdsParameters"] = serializeAws_restJson1_1RdsParameters(
-      input.RdsParameters,
-      context
-    );
-  }
-  if (input.RedshiftParameters !== undefined) {
-    bodyParams[
-      "RedshiftParameters"
-    ] = serializeAws_restJson1_1RedshiftParameters(
-      input.RedshiftParameters,
-      context
-    );
-  }
-  if (input.S3Parameters !== undefined) {
-    bodyParams["S3Parameters"] = serializeAws_restJson1_1S3Parameters(
-      input.S3Parameters,
-      context
-    );
-  }
-  if (input.ServiceNowParameters !== undefined) {
-    bodyParams[
-      "ServiceNowParameters"
-    ] = serializeAws_restJson1_1ServiceNowParameters(
-      input.ServiceNowParameters,
-      context
-    );
-  }
-  if (input.SnowflakeParameters !== undefined) {
-    bodyParams[
-      "SnowflakeParameters"
-    ] = serializeAws_restJson1_1SnowflakeParameters(
-      input.SnowflakeParameters,
-      context
-    );
-  }
-  if (input.SparkParameters !== undefined) {
-    bodyParams["SparkParameters"] = serializeAws_restJson1_1SparkParameters(
-      input.SparkParameters,
-      context
-    );
-  }
-  if (input.SqlServerParameters !== undefined) {
-    bodyParams[
-      "SqlServerParameters"
-    ] = serializeAws_restJson1_1SqlServerParameters(
-      input.SqlServerParameters,
-      context
-    );
-  }
-  if (input.TeradataParameters !== undefined) {
-    bodyParams[
-      "TeradataParameters"
-    ] = serializeAws_restJson1_1TeradataParameters(
-      input.TeradataParameters,
-      context
-    );
-  }
-  if (input.TwitterParameters !== undefined) {
-    bodyParams["TwitterParameters"] = serializeAws_restJson1_1TwitterParameters(
-      input.TwitterParameters,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.AmazonElasticsearchParameters !== undefined && {
+      AmazonElasticsearchParameters: serializeAws_restJson1_1AmazonElasticsearchParameters(
+        input.AmazonElasticsearchParameters,
+        context
+      )
+    }),
+    ...(input.AthenaParameters !== undefined && {
+      AthenaParameters: serializeAws_restJson1_1AthenaParameters(
+        input.AthenaParameters,
+        context
+      )
+    }),
+    ...(input.AuroraParameters !== undefined && {
+      AuroraParameters: serializeAws_restJson1_1AuroraParameters(
+        input.AuroraParameters,
+        context
+      )
+    }),
+    ...(input.AuroraPostgreSqlParameters !== undefined && {
+      AuroraPostgreSqlParameters: serializeAws_restJson1_1AuroraPostgreSqlParameters(
+        input.AuroraPostgreSqlParameters,
+        context
+      )
+    }),
+    ...(input.AwsIotAnalyticsParameters !== undefined && {
+      AwsIotAnalyticsParameters: serializeAws_restJson1_1AwsIotAnalyticsParameters(
+        input.AwsIotAnalyticsParameters,
+        context
+      )
+    }),
+    ...(input.JiraParameters !== undefined && {
+      JiraParameters: serializeAws_restJson1_1JiraParameters(
+        input.JiraParameters,
+        context
+      )
+    }),
+    ...(input.MariaDbParameters !== undefined && {
+      MariaDbParameters: serializeAws_restJson1_1MariaDbParameters(
+        input.MariaDbParameters,
+        context
+      )
+    }),
+    ...(input.MySqlParameters !== undefined && {
+      MySqlParameters: serializeAws_restJson1_1MySqlParameters(
+        input.MySqlParameters,
+        context
+      )
+    }),
+    ...(input.PostgreSqlParameters !== undefined && {
+      PostgreSqlParameters: serializeAws_restJson1_1PostgreSqlParameters(
+        input.PostgreSqlParameters,
+        context
+      )
+    }),
+    ...(input.PrestoParameters !== undefined && {
+      PrestoParameters: serializeAws_restJson1_1PrestoParameters(
+        input.PrestoParameters,
+        context
+      )
+    }),
+    ...(input.RdsParameters !== undefined && {
+      RdsParameters: serializeAws_restJson1_1RdsParameters(
+        input.RdsParameters,
+        context
+      )
+    }),
+    ...(input.RedshiftParameters !== undefined && {
+      RedshiftParameters: serializeAws_restJson1_1RedshiftParameters(
+        input.RedshiftParameters,
+        context
+      )
+    }),
+    ...(input.S3Parameters !== undefined && {
+      S3Parameters: serializeAws_restJson1_1S3Parameters(
+        input.S3Parameters,
+        context
+      )
+    }),
+    ...(input.ServiceNowParameters !== undefined && {
+      ServiceNowParameters: serializeAws_restJson1_1ServiceNowParameters(
+        input.ServiceNowParameters,
+        context
+      )
+    }),
+    ...(input.SnowflakeParameters !== undefined && {
+      SnowflakeParameters: serializeAws_restJson1_1SnowflakeParameters(
+        input.SnowflakeParameters,
+        context
+      )
+    }),
+    ...(input.SparkParameters !== undefined && {
+      SparkParameters: serializeAws_restJson1_1SparkParameters(
+        input.SparkParameters,
+        context
+      )
+    }),
+    ...(input.SqlServerParameters !== undefined && {
+      SqlServerParameters: serializeAws_restJson1_1SqlServerParameters(
+        input.SqlServerParameters,
+        context
+      )
+    }),
+    ...(input.TeradataParameters !== undefined && {
+      TeradataParameters: serializeAws_restJson1_1TeradataParameters(
+        input.TeradataParameters,
+        context
+      )
+    }),
+    ...(input.TwitterParameters !== undefined && {
+      TwitterParameters: serializeAws_restJson1_1TwitterParameters(
+        input.TwitterParameters,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1DateTimeParameter = (
   input: DateTimeParameter,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.Values !== undefined) {
-    bodyParams["Values"] = serializeAws_restJson1_1TimestampList(
-      input.Values,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.Values !== undefined && {
+      Values: serializeAws_restJson1_1TimestampList(input.Values, context)
+    })
+  };
 };
 
 const serializeAws_restJson1_1DateTimeParameterList = (
@@ -13594,17 +13518,12 @@ const serializeAws_restJson1_1DecimalParameter = (
   input: DecimalParameter,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.Values !== undefined) {
-    bodyParams["Values"] = serializeAws_restJson1_1DoubleList(
-      input.Values,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.Values !== undefined && {
+      Values: serializeAws_restJson1_1DoubleList(input.Values, context)
+    })
+  };
 };
 
 const serializeAws_restJson1_1DecimalParameterList = (
@@ -13620,42 +13539,35 @@ const serializeAws_restJson1_1ExportToCSVOption = (
   input: ExportToCSVOption,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AvailabilityStatus !== undefined) {
-    bodyParams["AvailabilityStatus"] = input.AvailabilityStatus;
-  }
-  return bodyParams;
+  return {
+    ...(input.AvailabilityStatus !== undefined && {
+      AvailabilityStatus: input.AvailabilityStatus
+    })
+  };
 };
 
 const serializeAws_restJson1_1FilterOperation = (
   input: FilterOperation,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ConditionExpression !== undefined) {
-    bodyParams["ConditionExpression"] = input.ConditionExpression;
-  }
-  return bodyParams;
+  return {
+    ...(input.ConditionExpression !== undefined && {
+      ConditionExpression: input.ConditionExpression
+    })
+  };
 };
 
 const serializeAws_restJson1_1GeoSpatialColumnGroup = (
   input: GeoSpatialColumnGroup,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Columns !== undefined) {
-    bodyParams["Columns"] = serializeAws_restJson1_1ColumnList(
-      input.Columns,
-      context
-    );
-  }
-  if (input.CountryCode !== undefined) {
-    bodyParams["CountryCode"] = input.CountryCode;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.Columns !== undefined && {
+      Columns: serializeAws_restJson1_1ColumnList(input.Columns, context)
+    }),
+    ...(input.CountryCode !== undefined && { CountryCode: input.CountryCode }),
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_restJson1_1IdentityMap = (
@@ -13679,14 +13591,10 @@ const serializeAws_restJson1_1InputColumn = (
   input: InputColumn,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.Type !== undefined) {
-    bodyParams["Type"] = input.Type;
-  }
-  return bodyParams;
+  return {
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.Type !== undefined && { Type: input.Type })
+  };
 };
 
 const serializeAws_restJson1_1InputColumnList = (
@@ -13702,17 +13610,12 @@ const serializeAws_restJson1_1IntegerParameter = (
   input: IntegerParameter,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.Values !== undefined) {
-    bodyParams["Values"] = serializeAws_restJson1_1LongList(
-      input.Values,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.Values !== undefined && {
+      Values: serializeAws_restJson1_1LongList(input.Values, context)
+    })
+  };
 };
 
 const serializeAws_restJson1_1IntegerParameterList = (
@@ -13728,56 +13631,41 @@ const serializeAws_restJson1_1JiraParameters = (
   input: JiraParameters,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.SiteBaseUrl !== undefined) {
-    bodyParams["SiteBaseUrl"] = input.SiteBaseUrl;
-  }
-  return bodyParams;
+  return {
+    ...(input.SiteBaseUrl !== undefined && { SiteBaseUrl: input.SiteBaseUrl })
+  };
 };
 
 const serializeAws_restJson1_1JoinInstruction = (
   input: JoinInstruction,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.LeftOperand !== undefined) {
-    bodyParams["LeftOperand"] = input.LeftOperand;
-  }
-  if (input.OnClause !== undefined) {
-    bodyParams["OnClause"] = input.OnClause;
-  }
-  if (input.RightOperand !== undefined) {
-    bodyParams["RightOperand"] = input.RightOperand;
-  }
-  if (input.Type !== undefined) {
-    bodyParams["Type"] = input.Type;
-  }
-  return bodyParams;
+  return {
+    ...(input.LeftOperand !== undefined && { LeftOperand: input.LeftOperand }),
+    ...(input.OnClause !== undefined && { OnClause: input.OnClause }),
+    ...(input.RightOperand !== undefined && {
+      RightOperand: input.RightOperand
+    }),
+    ...(input.Type !== undefined && { Type: input.Type })
+  };
 };
 
 const serializeAws_restJson1_1LogicalTable = (
   input: LogicalTable,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Alias !== undefined) {
-    bodyParams["Alias"] = input.Alias;
-  }
-  if (input.DataTransforms !== undefined) {
-    bodyParams[
-      "DataTransforms"
-    ] = serializeAws_restJson1_1TransformOperationList(
-      input.DataTransforms,
-      context
-    );
-  }
-  if (input.Source !== undefined) {
-    bodyParams["Source"] = serializeAws_restJson1_1LogicalTableSource(
-      input.Source,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Alias !== undefined && { Alias: input.Alias }),
+    ...(input.DataTransforms !== undefined && {
+      DataTransforms: serializeAws_restJson1_1TransformOperationList(
+        input.DataTransforms,
+        context
+      )
+    }),
+    ...(input.Source !== undefined && {
+      Source: serializeAws_restJson1_1LogicalTableSource(input.Source, context)
+    })
+  };
 };
 
 const serializeAws_restJson1_1LogicalTableMap = (
@@ -13794,131 +13682,101 @@ const serializeAws_restJson1_1LogicalTableSource = (
   input: LogicalTableSource,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.JoinInstruction !== undefined) {
-    bodyParams["JoinInstruction"] = serializeAws_restJson1_1JoinInstruction(
-      input.JoinInstruction,
-      context
-    );
-  }
-  if (input.PhysicalTableId !== undefined) {
-    bodyParams["PhysicalTableId"] = input.PhysicalTableId;
-  }
-  return bodyParams;
+  return {
+    ...(input.JoinInstruction !== undefined && {
+      JoinInstruction: serializeAws_restJson1_1JoinInstruction(
+        input.JoinInstruction,
+        context
+      )
+    }),
+    ...(input.PhysicalTableId !== undefined && {
+      PhysicalTableId: input.PhysicalTableId
+    })
+  };
 };
 
 const serializeAws_restJson1_1ManifestFileLocation = (
   input: ManifestFileLocation,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Bucket !== undefined) {
-    bodyParams["Bucket"] = input.Bucket;
-  }
-  if (input.Key !== undefined) {
-    bodyParams["Key"] = input.Key;
-  }
-  return bodyParams;
+  return {
+    ...(input.Bucket !== undefined && { Bucket: input.Bucket }),
+    ...(input.Key !== undefined && { Key: input.Key })
+  };
 };
 
 const serializeAws_restJson1_1MariaDbParameters = (
   input: MariaDbParameters,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Database !== undefined) {
-    bodyParams["Database"] = input.Database;
-  }
-  if (input.Host !== undefined) {
-    bodyParams["Host"] = input.Host;
-  }
-  if (input.Port !== undefined) {
-    bodyParams["Port"] = input.Port;
-  }
-  return bodyParams;
+  return {
+    ...(input.Database !== undefined && { Database: input.Database }),
+    ...(input.Host !== undefined && { Host: input.Host }),
+    ...(input.Port !== undefined && { Port: input.Port })
+  };
 };
 
 const serializeAws_restJson1_1MySqlParameters = (
   input: MySqlParameters,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Database !== undefined) {
-    bodyParams["Database"] = input.Database;
-  }
-  if (input.Host !== undefined) {
-    bodyParams["Host"] = input.Host;
-  }
-  if (input.Port !== undefined) {
-    bodyParams["Port"] = input.Port;
-  }
-  return bodyParams;
+  return {
+    ...(input.Database !== undefined && { Database: input.Database }),
+    ...(input.Host !== undefined && { Host: input.Host }),
+    ...(input.Port !== undefined && { Port: input.Port })
+  };
 };
 
 const serializeAws_restJson1_1_Parameters = (
   input: _Parameters,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DateTimeParameters !== undefined) {
-    bodyParams[
-      "DateTimeParameters"
-    ] = serializeAws_restJson1_1DateTimeParameterList(
-      input.DateTimeParameters,
-      context
-    );
-  }
-  if (input.DecimalParameters !== undefined) {
-    bodyParams[
-      "DecimalParameters"
-    ] = serializeAws_restJson1_1DecimalParameterList(
-      input.DecimalParameters,
-      context
-    );
-  }
-  if (input.IntegerParameters !== undefined) {
-    bodyParams[
-      "IntegerParameters"
-    ] = serializeAws_restJson1_1IntegerParameterList(
-      input.IntegerParameters,
-      context
-    );
-  }
-  if (input.StringParameters !== undefined) {
-    bodyParams[
-      "StringParameters"
-    ] = serializeAws_restJson1_1StringParameterList(
-      input.StringParameters,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.DateTimeParameters !== undefined && {
+      DateTimeParameters: serializeAws_restJson1_1DateTimeParameterList(
+        input.DateTimeParameters,
+        context
+      )
+    }),
+    ...(input.DecimalParameters !== undefined && {
+      DecimalParameters: serializeAws_restJson1_1DecimalParameterList(
+        input.DecimalParameters,
+        context
+      )
+    }),
+    ...(input.IntegerParameters !== undefined && {
+      IntegerParameters: serializeAws_restJson1_1IntegerParameterList(
+        input.IntegerParameters,
+        context
+      )
+    }),
+    ...(input.StringParameters !== undefined && {
+      StringParameters: serializeAws_restJson1_1StringParameterList(
+        input.StringParameters,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1PhysicalTable = (
   input: PhysicalTable,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CustomSql !== undefined) {
-    bodyParams["CustomSql"] = serializeAws_restJson1_1CustomSql(
-      input.CustomSql,
-      context
-    );
-  }
-  if (input.RelationalTable !== undefined) {
-    bodyParams["RelationalTable"] = serializeAws_restJson1_1RelationalTable(
-      input.RelationalTable,
-      context
-    );
-  }
-  if (input.S3Source !== undefined) {
-    bodyParams["S3Source"] = serializeAws_restJson1_1S3Source(
-      input.S3Source,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.CustomSql !== undefined && {
+      CustomSql: serializeAws_restJson1_1CustomSql(input.CustomSql, context)
+    }),
+    ...(input.RelationalTable !== undefined && {
+      RelationalTable: serializeAws_restJson1_1RelationalTable(
+        input.RelationalTable,
+        context
+      )
+    }),
+    ...(input.S3Source !== undefined && {
+      S3Source: serializeAws_restJson1_1S3Source(input.S3Source, context)
+    })
+  };
 };
 
 const serializeAws_restJson1_1PhysicalTableMap = (
@@ -13935,50 +13793,36 @@ const serializeAws_restJson1_1PostgreSqlParameters = (
   input: PostgreSqlParameters,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Database !== undefined) {
-    bodyParams["Database"] = input.Database;
-  }
-  if (input.Host !== undefined) {
-    bodyParams["Host"] = input.Host;
-  }
-  if (input.Port !== undefined) {
-    bodyParams["Port"] = input.Port;
-  }
-  return bodyParams;
+  return {
+    ...(input.Database !== undefined && { Database: input.Database }),
+    ...(input.Host !== undefined && { Host: input.Host }),
+    ...(input.Port !== undefined && { Port: input.Port })
+  };
 };
 
 const serializeAws_restJson1_1PrestoParameters = (
   input: PrestoParameters,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Catalog !== undefined) {
-    bodyParams["Catalog"] = input.Catalog;
-  }
-  if (input.Host !== undefined) {
-    bodyParams["Host"] = input.Host;
-  }
-  if (input.Port !== undefined) {
-    bodyParams["Port"] = input.Port;
-  }
-  return bodyParams;
+  return {
+    ...(input.Catalog !== undefined && { Catalog: input.Catalog }),
+    ...(input.Host !== undefined && { Host: input.Host }),
+    ...(input.Port !== undefined && { Port: input.Port })
+  };
 };
 
 const serializeAws_restJson1_1ProjectOperation = (
   input: ProjectOperation,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ProjectedColumns !== undefined) {
-    bodyParams[
-      "ProjectedColumns"
-    ] = serializeAws_restJson1_1ProjectedColumnList(
-      input.ProjectedColumns,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ProjectedColumns !== undefined && {
+      ProjectedColumns: serializeAws_restJson1_1ProjectedColumnList(
+        input.ProjectedColumns,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1ProjectedColumnList = (
@@ -13992,222 +13836,175 @@ const serializeAws_restJson1_1RdsParameters = (
   input: RdsParameters,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Database !== undefined) {
-    bodyParams["Database"] = input.Database;
-  }
-  if (input.InstanceId !== undefined) {
-    bodyParams["InstanceId"] = input.InstanceId;
-  }
-  return bodyParams;
+  return {
+    ...(input.Database !== undefined && { Database: input.Database }),
+    ...(input.InstanceId !== undefined && { InstanceId: input.InstanceId })
+  };
 };
 
 const serializeAws_restJson1_1RedshiftParameters = (
   input: RedshiftParameters,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ClusterId !== undefined) {
-    bodyParams["ClusterId"] = input.ClusterId;
-  }
-  if (input.Database !== undefined) {
-    bodyParams["Database"] = input.Database;
-  }
-  if (input.Host !== undefined) {
-    bodyParams["Host"] = input.Host;
-  }
-  if (input.Port !== undefined) {
-    bodyParams["Port"] = input.Port;
-  }
-  return bodyParams;
+  return {
+    ...(input.ClusterId !== undefined && { ClusterId: input.ClusterId }),
+    ...(input.Database !== undefined && { Database: input.Database }),
+    ...(input.Host !== undefined && { Host: input.Host }),
+    ...(input.Port !== undefined && { Port: input.Port })
+  };
 };
 
 const serializeAws_restJson1_1RelationalTable = (
   input: RelationalTable,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DataSourceArn !== undefined) {
-    bodyParams["DataSourceArn"] = input.DataSourceArn;
-  }
-  if (input.InputColumns !== undefined) {
-    bodyParams["InputColumns"] = serializeAws_restJson1_1InputColumnList(
-      input.InputColumns,
-      context
-    );
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.Schema !== undefined) {
-    bodyParams["Schema"] = input.Schema;
-  }
-  return bodyParams;
+  return {
+    ...(input.DataSourceArn !== undefined && {
+      DataSourceArn: input.DataSourceArn
+    }),
+    ...(input.InputColumns !== undefined && {
+      InputColumns: serializeAws_restJson1_1InputColumnList(
+        input.InputColumns,
+        context
+      )
+    }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.Schema !== undefined && { Schema: input.Schema })
+  };
 };
 
 const serializeAws_restJson1_1RenameColumnOperation = (
   input: RenameColumnOperation,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ColumnName !== undefined) {
-    bodyParams["ColumnName"] = input.ColumnName;
-  }
-  if (input.NewColumnName !== undefined) {
-    bodyParams["NewColumnName"] = input.NewColumnName;
-  }
-  return bodyParams;
+  return {
+    ...(input.ColumnName !== undefined && { ColumnName: input.ColumnName }),
+    ...(input.NewColumnName !== undefined && {
+      NewColumnName: input.NewColumnName
+    })
+  };
 };
 
 const serializeAws_restJson1_1RowLevelPermissionDataSet = (
   input: RowLevelPermissionDataSet,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Arn !== undefined) {
-    bodyParams["Arn"] = input.Arn;
-  }
-  if (input.PermissionPolicy !== undefined) {
-    bodyParams["PermissionPolicy"] = input.PermissionPolicy;
-  }
-  return bodyParams;
+  return {
+    ...(input.Arn !== undefined && { Arn: input.Arn }),
+    ...(input.PermissionPolicy !== undefined && {
+      PermissionPolicy: input.PermissionPolicy
+    })
+  };
 };
 
 const serializeAws_restJson1_1S3Parameters = (
   input: S3Parameters,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ManifestFileLocation !== undefined) {
-    bodyParams[
-      "ManifestFileLocation"
-    ] = serializeAws_restJson1_1ManifestFileLocation(
-      input.ManifestFileLocation,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ManifestFileLocation !== undefined && {
+      ManifestFileLocation: serializeAws_restJson1_1ManifestFileLocation(
+        input.ManifestFileLocation,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1S3Source = (
   input: S3Source,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DataSourceArn !== undefined) {
-    bodyParams["DataSourceArn"] = input.DataSourceArn;
-  }
-  if (input.InputColumns !== undefined) {
-    bodyParams["InputColumns"] = serializeAws_restJson1_1InputColumnList(
-      input.InputColumns,
-      context
-    );
-  }
-  if (input.UploadSettings !== undefined) {
-    bodyParams["UploadSettings"] = serializeAws_restJson1_1UploadSettings(
-      input.UploadSettings,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.DataSourceArn !== undefined && {
+      DataSourceArn: input.DataSourceArn
+    }),
+    ...(input.InputColumns !== undefined && {
+      InputColumns: serializeAws_restJson1_1InputColumnList(
+        input.InputColumns,
+        context
+      )
+    }),
+    ...(input.UploadSettings !== undefined && {
+      UploadSettings: serializeAws_restJson1_1UploadSettings(
+        input.UploadSettings,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1ServiceNowParameters = (
   input: ServiceNowParameters,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.SiteBaseUrl !== undefined) {
-    bodyParams["SiteBaseUrl"] = input.SiteBaseUrl;
-  }
-  return bodyParams;
+  return {
+    ...(input.SiteBaseUrl !== undefined && { SiteBaseUrl: input.SiteBaseUrl })
+  };
 };
 
 const serializeAws_restJson1_1SheetControlsOption = (
   input: SheetControlsOption,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.VisibilityState !== undefined) {
-    bodyParams["VisibilityState"] = input.VisibilityState;
-  }
-  return bodyParams;
+  return {
+    ...(input.VisibilityState !== undefined && {
+      VisibilityState: input.VisibilityState
+    })
+  };
 };
 
 const serializeAws_restJson1_1SnowflakeParameters = (
   input: SnowflakeParameters,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Database !== undefined) {
-    bodyParams["Database"] = input.Database;
-  }
-  if (input.Host !== undefined) {
-    bodyParams["Host"] = input.Host;
-  }
-  if (input.Warehouse !== undefined) {
-    bodyParams["Warehouse"] = input.Warehouse;
-  }
-  return bodyParams;
+  return {
+    ...(input.Database !== undefined && { Database: input.Database }),
+    ...(input.Host !== undefined && { Host: input.Host }),
+    ...(input.Warehouse !== undefined && { Warehouse: input.Warehouse })
+  };
 };
 
 const serializeAws_restJson1_1SparkParameters = (
   input: SparkParameters,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Host !== undefined) {
-    bodyParams["Host"] = input.Host;
-  }
-  if (input.Port !== undefined) {
-    bodyParams["Port"] = input.Port;
-  }
-  return bodyParams;
+  return {
+    ...(input.Host !== undefined && { Host: input.Host }),
+    ...(input.Port !== undefined && { Port: input.Port })
+  };
 };
 
 const serializeAws_restJson1_1SqlServerParameters = (
   input: SqlServerParameters,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Database !== undefined) {
-    bodyParams["Database"] = input.Database;
-  }
-  if (input.Host !== undefined) {
-    bodyParams["Host"] = input.Host;
-  }
-  if (input.Port !== undefined) {
-    bodyParams["Port"] = input.Port;
-  }
-  return bodyParams;
+  return {
+    ...(input.Database !== undefined && { Database: input.Database }),
+    ...(input.Host !== undefined && { Host: input.Host }),
+    ...(input.Port !== undefined && { Port: input.Port })
+  };
 };
 
 const serializeAws_restJson1_1SslProperties = (
   input: SslProperties,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DisableSsl !== undefined) {
-    bodyParams["DisableSsl"] = input.DisableSsl;
-  }
-  return bodyParams;
+  return {
+    ...(input.DisableSsl !== undefined && { DisableSsl: input.DisableSsl })
+  };
 };
 
 const serializeAws_restJson1_1StringParameter = (
   input: StringParameter,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.Values !== undefined) {
-    bodyParams["Values"] = serializeAws_restJson1_1StringList(
-      input.Values,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.Values !== undefined && {
+      Values: serializeAws_restJson1_1StringList(input.Values, context)
+    })
+  };
 };
 
 const serializeAws_restJson1_1StringParameterList = (
@@ -14223,140 +14020,111 @@ const serializeAws_restJson1_1TagColumnOperation = (
   input: TagColumnOperation,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ColumnName !== undefined) {
-    bodyParams["ColumnName"] = input.ColumnName;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_restJson1_1ColumnTagList(
-      input.Tags,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ColumnName !== undefined && { ColumnName: input.ColumnName }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_restJson1_1ColumnTagList(input.Tags, context)
+    })
+  };
 };
 
 const serializeAws_restJson1_1TemplateSourceAnalysis = (
   input: TemplateSourceAnalysis,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Arn !== undefined) {
-    bodyParams["Arn"] = input.Arn;
-  }
-  if (input.DataSetReferences !== undefined) {
-    bodyParams[
-      "DataSetReferences"
-    ] = serializeAws_restJson1_1DataSetReferenceList(
-      input.DataSetReferences,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Arn !== undefined && { Arn: input.Arn }),
+    ...(input.DataSetReferences !== undefined && {
+      DataSetReferences: serializeAws_restJson1_1DataSetReferenceList(
+        input.DataSetReferences,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1TemplateSourceEntity = (
   input: TemplateSourceEntity,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.SourceAnalysis !== undefined) {
-    bodyParams[
-      "SourceAnalysis"
-    ] = serializeAws_restJson1_1TemplateSourceAnalysis(
-      input.SourceAnalysis,
-      context
-    );
-  }
-  if (input.SourceTemplate !== undefined) {
-    bodyParams[
-      "SourceTemplate"
-    ] = serializeAws_restJson1_1TemplateSourceTemplate(
-      input.SourceTemplate,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.SourceAnalysis !== undefined && {
+      SourceAnalysis: serializeAws_restJson1_1TemplateSourceAnalysis(
+        input.SourceAnalysis,
+        context
+      )
+    }),
+    ...(input.SourceTemplate !== undefined && {
+      SourceTemplate: serializeAws_restJson1_1TemplateSourceTemplate(
+        input.SourceTemplate,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1TemplateSourceTemplate = (
   input: TemplateSourceTemplate,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Arn !== undefined) {
-    bodyParams["Arn"] = input.Arn;
-  }
-  return bodyParams;
+  return {
+    ...(input.Arn !== undefined && { Arn: input.Arn })
+  };
 };
 
 const serializeAws_restJson1_1TeradataParameters = (
   input: TeradataParameters,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Database !== undefined) {
-    bodyParams["Database"] = input.Database;
-  }
-  if (input.Host !== undefined) {
-    bodyParams["Host"] = input.Host;
-  }
-  if (input.Port !== undefined) {
-    bodyParams["Port"] = input.Port;
-  }
-  return bodyParams;
+  return {
+    ...(input.Database !== undefined && { Database: input.Database }),
+    ...(input.Host !== undefined && { Host: input.Host }),
+    ...(input.Port !== undefined && { Port: input.Port })
+  };
 };
 
 const serializeAws_restJson1_1TransformOperation = (
   input: TransformOperation,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CastColumnTypeOperation !== undefined) {
-    bodyParams[
-      "CastColumnTypeOperation"
-    ] = serializeAws_restJson1_1CastColumnTypeOperation(
-      input.CastColumnTypeOperation,
-      context
-    );
-  }
-  if (input.CreateColumnsOperation !== undefined) {
-    bodyParams[
-      "CreateColumnsOperation"
-    ] = serializeAws_restJson1_1CreateColumnsOperation(
-      input.CreateColumnsOperation,
-      context
-    );
-  }
-  if (input.FilterOperation !== undefined) {
-    bodyParams["FilterOperation"] = serializeAws_restJson1_1FilterOperation(
-      input.FilterOperation,
-      context
-    );
-  }
-  if (input.ProjectOperation !== undefined) {
-    bodyParams["ProjectOperation"] = serializeAws_restJson1_1ProjectOperation(
-      input.ProjectOperation,
-      context
-    );
-  }
-  if (input.RenameColumnOperation !== undefined) {
-    bodyParams[
-      "RenameColumnOperation"
-    ] = serializeAws_restJson1_1RenameColumnOperation(
-      input.RenameColumnOperation,
-      context
-    );
-  }
-  if (input.TagColumnOperation !== undefined) {
-    bodyParams[
-      "TagColumnOperation"
-    ] = serializeAws_restJson1_1TagColumnOperation(
-      input.TagColumnOperation,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.CastColumnTypeOperation !== undefined && {
+      CastColumnTypeOperation: serializeAws_restJson1_1CastColumnTypeOperation(
+        input.CastColumnTypeOperation,
+        context
+      )
+    }),
+    ...(input.CreateColumnsOperation !== undefined && {
+      CreateColumnsOperation: serializeAws_restJson1_1CreateColumnsOperation(
+        input.CreateColumnsOperation,
+        context
+      )
+    }),
+    ...(input.FilterOperation !== undefined && {
+      FilterOperation: serializeAws_restJson1_1FilterOperation(
+        input.FilterOperation,
+        context
+      )
+    }),
+    ...(input.ProjectOperation !== undefined && {
+      ProjectOperation: serializeAws_restJson1_1ProjectOperation(
+        input.ProjectOperation,
+        context
+      )
+    }),
+    ...(input.RenameColumnOperation !== undefined && {
+      RenameColumnOperation: serializeAws_restJson1_1RenameColumnOperation(
+        input.RenameColumnOperation,
+        context
+      )
+    }),
+    ...(input.TagColumnOperation !== undefined && {
+      TagColumnOperation: serializeAws_restJson1_1TagColumnOperation(
+        input.TagColumnOperation,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1TransformOperationList = (
@@ -14372,14 +14140,10 @@ const serializeAws_restJson1_1TwitterParameters = (
   input: TwitterParameters,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxRows !== undefined) {
-    bodyParams["MaxRows"] = input.MaxRows;
-  }
-  if (input.Query !== undefined) {
-    bodyParams["Query"] = input.Query;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxRows !== undefined && { MaxRows: input.MaxRows }),
+    ...(input.Query !== undefined && { Query: input.Query })
+  };
 };
 
 const serializeAws_restJson1_1UpdateResourcePermissionList = (
@@ -14395,34 +14159,30 @@ const serializeAws_restJson1_1UploadSettings = (
   input: UploadSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ContainsHeader !== undefined) {
-    bodyParams["ContainsHeader"] = input.ContainsHeader;
-  }
-  if (input.Delimiter !== undefined) {
-    bodyParams["Delimiter"] = input.Delimiter;
-  }
-  if (input.Format !== undefined) {
-    bodyParams["Format"] = input.Format;
-  }
-  if (input.StartFromRow !== undefined) {
-    bodyParams["StartFromRow"] = input.StartFromRow;
-  }
-  if (input.TextQualifier !== undefined) {
-    bodyParams["TextQualifier"] = input.TextQualifier;
-  }
-  return bodyParams;
+  return {
+    ...(input.ContainsHeader !== undefined && {
+      ContainsHeader: input.ContainsHeader
+    }),
+    ...(input.Delimiter !== undefined && { Delimiter: input.Delimiter }),
+    ...(input.Format !== undefined && { Format: input.Format }),
+    ...(input.StartFromRow !== undefined && {
+      StartFromRow: input.StartFromRow
+    }),
+    ...(input.TextQualifier !== undefined && {
+      TextQualifier: input.TextQualifier
+    })
+  };
 };
 
 const serializeAws_restJson1_1VpcConnectionProperties = (
   input: VpcConnectionProperties,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.VpcConnectionArn !== undefined) {
-    bodyParams["VpcConnectionArn"] = input.VpcConnectionArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.VpcConnectionArn !== undefined && {
+      VpcConnectionArn: input.VpcConnectionArn
+    })
+  };
 };
 
 const serializeAws_restJson1_1ActionList = (
@@ -14450,17 +14210,12 @@ const serializeAws_restJson1_1ResourcePermission = (
   input: ResourcePermission,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Actions !== undefined) {
-    bodyParams["Actions"] = serializeAws_restJson1_1ActionList(
-      input.Actions,
-      context
-    );
-  }
-  if (input.Principal !== undefined) {
-    bodyParams["Principal"] = input.Principal;
-  }
-  return bodyParams;
+  return {
+    ...(input.Actions !== undefined && {
+      Actions: serializeAws_restJson1_1ActionList(input.Actions, context)
+    }),
+    ...(input.Principal !== undefined && { Principal: input.Principal })
+  };
 };
 
 const serializeAws_restJson1_1ResourcePermissionList = (
@@ -14483,14 +14238,10 @@ const serializeAws_restJson1_1Tag = (
   input: Tag,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Key !== undefined) {
-    bodyParams["Key"] = input.Key;
-  }
-  if (input.Value !== undefined) {
-    bodyParams["Value"] = input.Value;
-  }
-  return bodyParams;
+  return {
+    ...(input.Key !== undefined && { Key: input.Key }),
+    ...(input.Value !== undefined && { Value: input.Value })
+  };
 };
 
 const serializeAws_restJson1_1TagList = (
diff --git a/clients/client-ram/protocols/Aws_restJson1_1.ts b/clients/client-ram/protocols/Aws_restJson1_1.ts
index ab9f7e594bcc..304f21ca99b1 100644
--- a/clients/client-ram/protocols/Aws_restJson1_1.ts
+++ b/clients/client-ram/protocols/Aws_restJson1_1.ts
@@ -4507,31 +4507,22 @@ const serializeAws_restJson1_1Tag = (
   input: Tag,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.key !== undefined) {
-    bodyParams["key"] = input.key;
-  }
-  if (input.value !== undefined) {
-    bodyParams["value"] = input.value;
-  }
-  return bodyParams;
+  return {
+    ...(input.key !== undefined && { key: input.key }),
+    ...(input.value !== undefined && { value: input.value })
+  };
 };
 
 const serializeAws_restJson1_1TagFilter = (
   input: TagFilter,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.tagKey !== undefined) {
-    bodyParams["tagKey"] = input.tagKey;
-  }
-  if (input.tagValues !== undefined) {
-    bodyParams["tagValues"] = serializeAws_restJson1_1TagValueList(
-      input.tagValues,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.tagKey !== undefined && { tagKey: input.tagKey }),
+    ...(input.tagValues !== undefined && {
+      tagValues: serializeAws_restJson1_1TagValueList(input.tagValues, context)
+    })
+  };
 };
 
 const serializeAws_restJson1_1TagFilters = (
diff --git a/clients/client-rds-data/protocols/Aws_restJson1_1.ts b/clients/client-rds-data/protocols/Aws_restJson1_1.ts
index 9526fd87b47e..1addbefabfad 100644
--- a/clients/client-rds-data/protocols/Aws_restJson1_1.ts
+++ b/clients/client-rds-data/protocols/Aws_restJson1_1.ts
@@ -1106,14 +1106,12 @@ const serializeAws_restJson1_1SqlParameter = (
   input: SqlParameter,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  if (input.value !== undefined) {
-    bodyParams["value"] = serializeAws_restJson1_1Field(input.value, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.name !== undefined && { name: input.name }),
+    ...(input.value !== undefined && {
+      value: serializeAws_restJson1_1Field(input.value, context)
+    })
+  };
 };
 
 const serializeAws_restJson1_1SqlParameterSets = (
diff --git a/clients/client-rekognition/protocols/Aws_json1_1.ts b/clients/client-rekognition/protocols/Aws_json1_1.ts
index c47e6dba05bc..f776e1137e81 100644
--- a/clients/client-rekognition/protocols/Aws_json1_1.ts
+++ b/clients/client-rekognition/protocols/Aws_json1_1.ts
@@ -6741,14 +6741,14 @@ const serializeAws_json1_1Asset = (
   input: Asset,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.GroundTruthManifest !== undefined) {
-    bodyParams["GroundTruthManifest"] = serializeAws_json1_1GroundTruthManifest(
-      input.GroundTruthManifest,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.GroundTruthManifest !== undefined && {
+      GroundTruthManifest: serializeAws_json1_1GroundTruthManifest(
+        input.GroundTruthManifest,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1Assets = (
@@ -6769,26 +6769,20 @@ const serializeAws_json1_1CompareFacesRequest = (
   input: CompareFacesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.QualityFilter !== undefined) {
-    bodyParams["QualityFilter"] = input.QualityFilter;
-  }
-  if (input.SimilarityThreshold !== undefined) {
-    bodyParams["SimilarityThreshold"] = input.SimilarityThreshold;
-  }
-  if (input.SourceImage !== undefined) {
-    bodyParams["SourceImage"] = serializeAws_json1_1Image(
-      input.SourceImage,
-      context
-    );
-  }
-  if (input.TargetImage !== undefined) {
-    bodyParams["TargetImage"] = serializeAws_json1_1Image(
-      input.TargetImage,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.QualityFilter !== undefined && {
+      QualityFilter: input.QualityFilter
+    }),
+    ...(input.SimilarityThreshold !== undefined && {
+      SimilarityThreshold: input.SimilarityThreshold
+    }),
+    ...(input.SourceImage !== undefined && {
+      SourceImage: serializeAws_json1_1Image(input.SourceImage, context)
+    }),
+    ...(input.TargetImage !== undefined && {
+      TargetImage: serializeAws_json1_1Image(input.TargetImage, context)
+    })
+  };
 };
 
 const serializeAws_json1_1ContentClassifiers = (
@@ -6802,269 +6796,226 @@ const serializeAws_json1_1CreateCollectionRequest = (
   input: CreateCollectionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CollectionId !== undefined) {
-    bodyParams["CollectionId"] = input.CollectionId;
-  }
-  return bodyParams;
+  return {
+    ...(input.CollectionId !== undefined && {
+      CollectionId: input.CollectionId
+    })
+  };
 };
 
 const serializeAws_json1_1CreateProjectRequest = (
   input: CreateProjectRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ProjectName !== undefined) {
-    bodyParams["ProjectName"] = input.ProjectName;
-  }
-  return bodyParams;
+  return {
+    ...(input.ProjectName !== undefined && { ProjectName: input.ProjectName })
+  };
 };
 
 const serializeAws_json1_1CreateProjectVersionRequest = (
   input: CreateProjectVersionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.OutputConfig !== undefined) {
-    bodyParams["OutputConfig"] = serializeAws_json1_1OutputConfig(
-      input.OutputConfig,
-      context
-    );
-  }
-  if (input.ProjectArn !== undefined) {
-    bodyParams["ProjectArn"] = input.ProjectArn;
-  }
-  if (input.TestingData !== undefined) {
-    bodyParams["TestingData"] = serializeAws_json1_1TestingData(
-      input.TestingData,
-      context
-    );
-  }
-  if (input.TrainingData !== undefined) {
-    bodyParams["TrainingData"] = serializeAws_json1_1TrainingData(
-      input.TrainingData,
-      context
-    );
-  }
-  if (input.VersionName !== undefined) {
-    bodyParams["VersionName"] = input.VersionName;
-  }
-  return bodyParams;
+  return {
+    ...(input.OutputConfig !== undefined && {
+      OutputConfig: serializeAws_json1_1OutputConfig(
+        input.OutputConfig,
+        context
+      )
+    }),
+    ...(input.ProjectArn !== undefined && { ProjectArn: input.ProjectArn }),
+    ...(input.TestingData !== undefined && {
+      TestingData: serializeAws_json1_1TestingData(input.TestingData, context)
+    }),
+    ...(input.TrainingData !== undefined && {
+      TrainingData: serializeAws_json1_1TrainingData(
+        input.TrainingData,
+        context
+      )
+    }),
+    ...(input.VersionName !== undefined && { VersionName: input.VersionName })
+  };
 };
 
 const serializeAws_json1_1CreateStreamProcessorRequest = (
   input: CreateStreamProcessorRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Input !== undefined) {
-    bodyParams["Input"] = serializeAws_json1_1StreamProcessorInput(
-      input.Input,
-      context
-    );
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.Output !== undefined) {
-    bodyParams["Output"] = serializeAws_json1_1StreamProcessorOutput(
-      input.Output,
-      context
-    );
-  }
-  if (input.RoleArn !== undefined) {
-    bodyParams["RoleArn"] = input.RoleArn;
-  }
-  if (input.Settings !== undefined) {
-    bodyParams["Settings"] = serializeAws_json1_1StreamProcessorSettings(
-      input.Settings,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Input !== undefined && {
+      Input: serializeAws_json1_1StreamProcessorInput(input.Input, context)
+    }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.Output !== undefined && {
+      Output: serializeAws_json1_1StreamProcessorOutput(input.Output, context)
+    }),
+    ...(input.RoleArn !== undefined && { RoleArn: input.RoleArn }),
+    ...(input.Settings !== undefined && {
+      Settings: serializeAws_json1_1StreamProcessorSettings(
+        input.Settings,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteCollectionRequest = (
   input: DeleteCollectionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CollectionId !== undefined) {
-    bodyParams["CollectionId"] = input.CollectionId;
-  }
-  return bodyParams;
+  return {
+    ...(input.CollectionId !== undefined && {
+      CollectionId: input.CollectionId
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteFacesRequest = (
   input: DeleteFacesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CollectionId !== undefined) {
-    bodyParams["CollectionId"] = input.CollectionId;
-  }
-  if (input.FaceIds !== undefined) {
-    bodyParams["FaceIds"] = serializeAws_json1_1FaceIdList(
-      input.FaceIds,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.CollectionId !== undefined && {
+      CollectionId: input.CollectionId
+    }),
+    ...(input.FaceIds !== undefined && {
+      FaceIds: serializeAws_json1_1FaceIdList(input.FaceIds, context)
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteStreamProcessorRequest = (
   input: DeleteStreamProcessorRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1DescribeCollectionRequest = (
   input: DescribeCollectionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CollectionId !== undefined) {
-    bodyParams["CollectionId"] = input.CollectionId;
-  }
-  return bodyParams;
+  return {
+    ...(input.CollectionId !== undefined && {
+      CollectionId: input.CollectionId
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeProjectVersionsRequest = (
   input: DescribeProjectVersionsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.ProjectArn !== undefined) {
-    bodyParams["ProjectArn"] = input.ProjectArn;
-  }
-  if (input.VersionNames !== undefined) {
-    bodyParams["VersionNames"] = serializeAws_json1_1VersionNames(
-      input.VersionNames,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.ProjectArn !== undefined && { ProjectArn: input.ProjectArn }),
+    ...(input.VersionNames !== undefined && {
+      VersionNames: serializeAws_json1_1VersionNames(
+        input.VersionNames,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeProjectsRequest = (
   input: DescribeProjectsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1DescribeStreamProcessorRequest = (
   input: DescribeStreamProcessorRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1DetectCustomLabelsRequest = (
   input: DetectCustomLabelsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Image !== undefined) {
-    bodyParams["Image"] = serializeAws_json1_1Image(input.Image, context);
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.MinConfidence !== undefined) {
-    bodyParams["MinConfidence"] = input.MinConfidence;
-  }
-  if (input.ProjectVersionArn !== undefined) {
-    bodyParams["ProjectVersionArn"] = input.ProjectVersionArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.Image !== undefined && {
+      Image: serializeAws_json1_1Image(input.Image, context)
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.MinConfidence !== undefined && {
+      MinConfidence: input.MinConfidence
+    }),
+    ...(input.ProjectVersionArn !== undefined && {
+      ProjectVersionArn: input.ProjectVersionArn
+    })
+  };
 };
 
 const serializeAws_json1_1DetectFacesRequest = (
   input: DetectFacesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Attributes !== undefined) {
-    bodyParams["Attributes"] = serializeAws_json1_1Attributes(
-      input.Attributes,
-      context
-    );
-  }
-  if (input.Image !== undefined) {
-    bodyParams["Image"] = serializeAws_json1_1Image(input.Image, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.Attributes !== undefined && {
+      Attributes: serializeAws_json1_1Attributes(input.Attributes, context)
+    }),
+    ...(input.Image !== undefined && {
+      Image: serializeAws_json1_1Image(input.Image, context)
+    })
+  };
 };
 
 const serializeAws_json1_1DetectLabelsRequest = (
   input: DetectLabelsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Image !== undefined) {
-    bodyParams["Image"] = serializeAws_json1_1Image(input.Image, context);
-  }
-  if (input.MaxLabels !== undefined) {
-    bodyParams["MaxLabels"] = input.MaxLabels;
-  }
-  if (input.MinConfidence !== undefined) {
-    bodyParams["MinConfidence"] = input.MinConfidence;
-  }
-  return bodyParams;
+  return {
+    ...(input.Image !== undefined && {
+      Image: serializeAws_json1_1Image(input.Image, context)
+    }),
+    ...(input.MaxLabels !== undefined && { MaxLabels: input.MaxLabels }),
+    ...(input.MinConfidence !== undefined && {
+      MinConfidence: input.MinConfidence
+    })
+  };
 };
 
 const serializeAws_json1_1DetectModerationLabelsRequest = (
   input: DetectModerationLabelsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.HumanLoopConfig !== undefined) {
-    bodyParams["HumanLoopConfig"] = serializeAws_json1_1HumanLoopConfig(
-      input.HumanLoopConfig,
-      context
-    );
-  }
-  if (input.Image !== undefined) {
-    bodyParams["Image"] = serializeAws_json1_1Image(input.Image, context);
-  }
-  if (input.MinConfidence !== undefined) {
-    bodyParams["MinConfidence"] = input.MinConfidence;
-  }
-  return bodyParams;
+  return {
+    ...(input.HumanLoopConfig !== undefined && {
+      HumanLoopConfig: serializeAws_json1_1HumanLoopConfig(
+        input.HumanLoopConfig,
+        context
+      )
+    }),
+    ...(input.Image !== undefined && {
+      Image: serializeAws_json1_1Image(input.Image, context)
+    }),
+    ...(input.MinConfidence !== undefined && {
+      MinConfidence: input.MinConfidence
+    })
+  };
 };
 
 const serializeAws_json1_1DetectTextRequest = (
   input: DetectTextRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Image !== undefined) {
-    bodyParams["Image"] = serializeAws_json1_1Image(input.Image, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.Image !== undefined && {
+      Image: serializeAws_json1_1Image(input.Image, context)
+    })
+  };
 };
 
 const serializeAws_json1_1FaceIdList = (
@@ -7078,669 +7029,559 @@ const serializeAws_json1_1FaceSearchSettings = (
   input: FaceSearchSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CollectionId !== undefined) {
-    bodyParams["CollectionId"] = input.CollectionId;
-  }
-  if (input.FaceMatchThreshold !== undefined) {
-    bodyParams["FaceMatchThreshold"] = input.FaceMatchThreshold;
-  }
-  return bodyParams;
+  return {
+    ...(input.CollectionId !== undefined && {
+      CollectionId: input.CollectionId
+    }),
+    ...(input.FaceMatchThreshold !== undefined && {
+      FaceMatchThreshold: input.FaceMatchThreshold
+    })
+  };
 };
 
 const serializeAws_json1_1GetCelebrityInfoRequest = (
   input: GetCelebrityInfoRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Id !== undefined) {
-    bodyParams["Id"] = input.Id;
-  }
-  return bodyParams;
+  return {
+    ...(input.Id !== undefined && { Id: input.Id })
+  };
 };
 
 const serializeAws_json1_1GetCelebrityRecognitionRequest = (
   input: GetCelebrityRecognitionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.JobId !== undefined) {
-    bodyParams["JobId"] = input.JobId;
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.SortBy !== undefined) {
-    bodyParams["SortBy"] = input.SortBy;
-  }
-  return bodyParams;
+  return {
+    ...(input.JobId !== undefined && { JobId: input.JobId }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.SortBy !== undefined && { SortBy: input.SortBy })
+  };
 };
 
 const serializeAws_json1_1GetContentModerationRequest = (
   input: GetContentModerationRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.JobId !== undefined) {
-    bodyParams["JobId"] = input.JobId;
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.SortBy !== undefined) {
-    bodyParams["SortBy"] = input.SortBy;
-  }
-  return bodyParams;
+  return {
+    ...(input.JobId !== undefined && { JobId: input.JobId }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.SortBy !== undefined && { SortBy: input.SortBy })
+  };
 };
 
 const serializeAws_json1_1GetFaceDetectionRequest = (
   input: GetFaceDetectionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.JobId !== undefined) {
-    bodyParams["JobId"] = input.JobId;
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.JobId !== undefined && { JobId: input.JobId }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1GetFaceSearchRequest = (
   input: GetFaceSearchRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.JobId !== undefined) {
-    bodyParams["JobId"] = input.JobId;
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.SortBy !== undefined) {
-    bodyParams["SortBy"] = input.SortBy;
-  }
-  return bodyParams;
+  return {
+    ...(input.JobId !== undefined && { JobId: input.JobId }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.SortBy !== undefined && { SortBy: input.SortBy })
+  };
 };
 
 const serializeAws_json1_1GetLabelDetectionRequest = (
   input: GetLabelDetectionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.JobId !== undefined) {
-    bodyParams["JobId"] = input.JobId;
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.SortBy !== undefined) {
-    bodyParams["SortBy"] = input.SortBy;
-  }
-  return bodyParams;
+  return {
+    ...(input.JobId !== undefined && { JobId: input.JobId }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.SortBy !== undefined && { SortBy: input.SortBy })
+  };
 };
 
 const serializeAws_json1_1GetPersonTrackingRequest = (
   input: GetPersonTrackingRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.JobId !== undefined) {
-    bodyParams["JobId"] = input.JobId;
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.SortBy !== undefined) {
-    bodyParams["SortBy"] = input.SortBy;
-  }
-  return bodyParams;
+  return {
+    ...(input.JobId !== undefined && { JobId: input.JobId }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.SortBy !== undefined && { SortBy: input.SortBy })
+  };
 };
 
 const serializeAws_json1_1GroundTruthManifest = (
   input: GroundTruthManifest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.S3Object !== undefined) {
-    bodyParams["S3Object"] = serializeAws_json1_1S3Object(
-      input.S3Object,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.S3Object !== undefined && {
+      S3Object: serializeAws_json1_1S3Object(input.S3Object, context)
+    })
+  };
 };
 
 const serializeAws_json1_1HumanLoopConfig = (
   input: HumanLoopConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DataAttributes !== undefined) {
-    bodyParams["DataAttributes"] = serializeAws_json1_1HumanLoopDataAttributes(
-      input.DataAttributes,
-      context
-    );
-  }
-  if (input.FlowDefinitionArn !== undefined) {
-    bodyParams["FlowDefinitionArn"] = input.FlowDefinitionArn;
-  }
-  if (input.HumanLoopName !== undefined) {
-    bodyParams["HumanLoopName"] = input.HumanLoopName;
-  }
-  return bodyParams;
+  return {
+    ...(input.DataAttributes !== undefined && {
+      DataAttributes: serializeAws_json1_1HumanLoopDataAttributes(
+        input.DataAttributes,
+        context
+      )
+    }),
+    ...(input.FlowDefinitionArn !== undefined && {
+      FlowDefinitionArn: input.FlowDefinitionArn
+    }),
+    ...(input.HumanLoopName !== undefined && {
+      HumanLoopName: input.HumanLoopName
+    })
+  };
 };
 
 const serializeAws_json1_1HumanLoopDataAttributes = (
   input: HumanLoopDataAttributes,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ContentClassifiers !== undefined) {
-    bodyParams["ContentClassifiers"] = serializeAws_json1_1ContentClassifiers(
-      input.ContentClassifiers,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ContentClassifiers !== undefined && {
+      ContentClassifiers: serializeAws_json1_1ContentClassifiers(
+        input.ContentClassifiers,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1Image = (
   input: Image,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Bytes !== undefined) {
-    bodyParams["Bytes"] = context.base64Encoder(input.Bytes);
-  }
-  if (input.S3Object !== undefined) {
-    bodyParams["S3Object"] = serializeAws_json1_1S3Object(
-      input.S3Object,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Bytes !== undefined && {
+      Bytes: context.base64Encoder(input.Bytes)
+    }),
+    ...(input.S3Object !== undefined && {
+      S3Object: serializeAws_json1_1S3Object(input.S3Object, context)
+    })
+  };
 };
 
 const serializeAws_json1_1IndexFacesRequest = (
   input: IndexFacesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CollectionId !== undefined) {
-    bodyParams["CollectionId"] = input.CollectionId;
-  }
-  if (input.DetectionAttributes !== undefined) {
-    bodyParams["DetectionAttributes"] = serializeAws_json1_1Attributes(
-      input.DetectionAttributes,
-      context
-    );
-  }
-  if (input.ExternalImageId !== undefined) {
-    bodyParams["ExternalImageId"] = input.ExternalImageId;
-  }
-  if (input.Image !== undefined) {
-    bodyParams["Image"] = serializeAws_json1_1Image(input.Image, context);
-  }
-  if (input.MaxFaces !== undefined) {
-    bodyParams["MaxFaces"] = input.MaxFaces;
-  }
-  if (input.QualityFilter !== undefined) {
-    bodyParams["QualityFilter"] = input.QualityFilter;
-  }
-  return bodyParams;
+  return {
+    ...(input.CollectionId !== undefined && {
+      CollectionId: input.CollectionId
+    }),
+    ...(input.DetectionAttributes !== undefined && {
+      DetectionAttributes: serializeAws_json1_1Attributes(
+        input.DetectionAttributes,
+        context
+      )
+    }),
+    ...(input.ExternalImageId !== undefined && {
+      ExternalImageId: input.ExternalImageId
+    }),
+    ...(input.Image !== undefined && {
+      Image: serializeAws_json1_1Image(input.Image, context)
+    }),
+    ...(input.MaxFaces !== undefined && { MaxFaces: input.MaxFaces }),
+    ...(input.QualityFilter !== undefined && {
+      QualityFilter: input.QualityFilter
+    })
+  };
 };
 
 const serializeAws_json1_1KinesisDataStream = (
   input: KinesisDataStream,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Arn !== undefined) {
-    bodyParams["Arn"] = input.Arn;
-  }
-  return bodyParams;
+  return {
+    ...(input.Arn !== undefined && { Arn: input.Arn })
+  };
 };
 
 const serializeAws_json1_1KinesisVideoStream = (
   input: KinesisVideoStream,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Arn !== undefined) {
-    bodyParams["Arn"] = input.Arn;
-  }
-  return bodyParams;
+  return {
+    ...(input.Arn !== undefined && { Arn: input.Arn })
+  };
 };
 
 const serializeAws_json1_1ListCollectionsRequest = (
   input: ListCollectionsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1ListFacesRequest = (
   input: ListFacesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CollectionId !== undefined) {
-    bodyParams["CollectionId"] = input.CollectionId;
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.CollectionId !== undefined && {
+      CollectionId: input.CollectionId
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1ListStreamProcessorsRequest = (
   input: ListStreamProcessorsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1NotificationChannel = (
   input: NotificationChannel,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.RoleArn !== undefined) {
-    bodyParams["RoleArn"] = input.RoleArn;
-  }
-  if (input.SNSTopicArn !== undefined) {
-    bodyParams["SNSTopicArn"] = input.SNSTopicArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.RoleArn !== undefined && { RoleArn: input.RoleArn }),
+    ...(input.SNSTopicArn !== undefined && { SNSTopicArn: input.SNSTopicArn })
+  };
 };
 
 const serializeAws_json1_1OutputConfig = (
   input: OutputConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.S3Bucket !== undefined) {
-    bodyParams["S3Bucket"] = input.S3Bucket;
-  }
-  if (input.S3KeyPrefix !== undefined) {
-    bodyParams["S3KeyPrefix"] = input.S3KeyPrefix;
-  }
-  return bodyParams;
+  return {
+    ...(input.S3Bucket !== undefined && { S3Bucket: input.S3Bucket }),
+    ...(input.S3KeyPrefix !== undefined && { S3KeyPrefix: input.S3KeyPrefix })
+  };
 };
 
 const serializeAws_json1_1RecognizeCelebritiesRequest = (
   input: RecognizeCelebritiesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Image !== undefined) {
-    bodyParams["Image"] = serializeAws_json1_1Image(input.Image, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.Image !== undefined && {
+      Image: serializeAws_json1_1Image(input.Image, context)
+    })
+  };
 };
 
 const serializeAws_json1_1S3Object = (
   input: S3Object,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Bucket !== undefined) {
-    bodyParams["Bucket"] = input.Bucket;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.Version !== undefined) {
-    bodyParams["Version"] = input.Version;
-  }
-  return bodyParams;
+  return {
+    ...(input.Bucket !== undefined && { Bucket: input.Bucket }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.Version !== undefined && { Version: input.Version })
+  };
 };
 
 const serializeAws_json1_1SearchFacesByImageRequest = (
   input: SearchFacesByImageRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CollectionId !== undefined) {
-    bodyParams["CollectionId"] = input.CollectionId;
-  }
-  if (input.FaceMatchThreshold !== undefined) {
-    bodyParams["FaceMatchThreshold"] = input.FaceMatchThreshold;
-  }
-  if (input.Image !== undefined) {
-    bodyParams["Image"] = serializeAws_json1_1Image(input.Image, context);
-  }
-  if (input.MaxFaces !== undefined) {
-    bodyParams["MaxFaces"] = input.MaxFaces;
-  }
-  if (input.QualityFilter !== undefined) {
-    bodyParams["QualityFilter"] = input.QualityFilter;
-  }
-  return bodyParams;
+  return {
+    ...(input.CollectionId !== undefined && {
+      CollectionId: input.CollectionId
+    }),
+    ...(input.FaceMatchThreshold !== undefined && {
+      FaceMatchThreshold: input.FaceMatchThreshold
+    }),
+    ...(input.Image !== undefined && {
+      Image: serializeAws_json1_1Image(input.Image, context)
+    }),
+    ...(input.MaxFaces !== undefined && { MaxFaces: input.MaxFaces }),
+    ...(input.QualityFilter !== undefined && {
+      QualityFilter: input.QualityFilter
+    })
+  };
 };
 
 const serializeAws_json1_1SearchFacesRequest = (
   input: SearchFacesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CollectionId !== undefined) {
-    bodyParams["CollectionId"] = input.CollectionId;
-  }
-  if (input.FaceId !== undefined) {
-    bodyParams["FaceId"] = input.FaceId;
-  }
-  if (input.FaceMatchThreshold !== undefined) {
-    bodyParams["FaceMatchThreshold"] = input.FaceMatchThreshold;
-  }
-  if (input.MaxFaces !== undefined) {
-    bodyParams["MaxFaces"] = input.MaxFaces;
-  }
-  return bodyParams;
+  return {
+    ...(input.CollectionId !== undefined && {
+      CollectionId: input.CollectionId
+    }),
+    ...(input.FaceId !== undefined && { FaceId: input.FaceId }),
+    ...(input.FaceMatchThreshold !== undefined && {
+      FaceMatchThreshold: input.FaceMatchThreshold
+    }),
+    ...(input.MaxFaces !== undefined && { MaxFaces: input.MaxFaces })
+  };
 };
 
 const serializeAws_json1_1StartCelebrityRecognitionRequest = (
   input: StartCelebrityRecognitionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ClientRequestToken !== undefined) {
-    bodyParams["ClientRequestToken"] = input.ClientRequestToken;
-  }
-  if (input.JobTag !== undefined) {
-    bodyParams["JobTag"] = input.JobTag;
-  }
-  if (input.NotificationChannel !== undefined) {
-    bodyParams["NotificationChannel"] = serializeAws_json1_1NotificationChannel(
-      input.NotificationChannel,
-      context
-    );
-  }
-  if (input.Video !== undefined) {
-    bodyParams["Video"] = serializeAws_json1_1Video(input.Video, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.ClientRequestToken !== undefined && {
+      ClientRequestToken: input.ClientRequestToken
+    }),
+    ...(input.JobTag !== undefined && { JobTag: input.JobTag }),
+    ...(input.NotificationChannel !== undefined && {
+      NotificationChannel: serializeAws_json1_1NotificationChannel(
+        input.NotificationChannel,
+        context
+      )
+    }),
+    ...(input.Video !== undefined && {
+      Video: serializeAws_json1_1Video(input.Video, context)
+    })
+  };
 };
 
 const serializeAws_json1_1StartContentModerationRequest = (
   input: StartContentModerationRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ClientRequestToken !== undefined) {
-    bodyParams["ClientRequestToken"] = input.ClientRequestToken;
-  }
-  if (input.JobTag !== undefined) {
-    bodyParams["JobTag"] = input.JobTag;
-  }
-  if (input.MinConfidence !== undefined) {
-    bodyParams["MinConfidence"] = input.MinConfidence;
-  }
-  if (input.NotificationChannel !== undefined) {
-    bodyParams["NotificationChannel"] = serializeAws_json1_1NotificationChannel(
-      input.NotificationChannel,
-      context
-    );
-  }
-  if (input.Video !== undefined) {
-    bodyParams["Video"] = serializeAws_json1_1Video(input.Video, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.ClientRequestToken !== undefined && {
+      ClientRequestToken: input.ClientRequestToken
+    }),
+    ...(input.JobTag !== undefined && { JobTag: input.JobTag }),
+    ...(input.MinConfidence !== undefined && {
+      MinConfidence: input.MinConfidence
+    }),
+    ...(input.NotificationChannel !== undefined && {
+      NotificationChannel: serializeAws_json1_1NotificationChannel(
+        input.NotificationChannel,
+        context
+      )
+    }),
+    ...(input.Video !== undefined && {
+      Video: serializeAws_json1_1Video(input.Video, context)
+    })
+  };
 };
 
 const serializeAws_json1_1StartFaceDetectionRequest = (
   input: StartFaceDetectionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ClientRequestToken !== undefined) {
-    bodyParams["ClientRequestToken"] = input.ClientRequestToken;
-  }
-  if (input.FaceAttributes !== undefined) {
-    bodyParams["FaceAttributes"] = input.FaceAttributes;
-  }
-  if (input.JobTag !== undefined) {
-    bodyParams["JobTag"] = input.JobTag;
-  }
-  if (input.NotificationChannel !== undefined) {
-    bodyParams["NotificationChannel"] = serializeAws_json1_1NotificationChannel(
-      input.NotificationChannel,
-      context
-    );
-  }
-  if (input.Video !== undefined) {
-    bodyParams["Video"] = serializeAws_json1_1Video(input.Video, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.ClientRequestToken !== undefined && {
+      ClientRequestToken: input.ClientRequestToken
+    }),
+    ...(input.FaceAttributes !== undefined && {
+      FaceAttributes: input.FaceAttributes
+    }),
+    ...(input.JobTag !== undefined && { JobTag: input.JobTag }),
+    ...(input.NotificationChannel !== undefined && {
+      NotificationChannel: serializeAws_json1_1NotificationChannel(
+        input.NotificationChannel,
+        context
+      )
+    }),
+    ...(input.Video !== undefined && {
+      Video: serializeAws_json1_1Video(input.Video, context)
+    })
+  };
 };
 
 const serializeAws_json1_1StartFaceSearchRequest = (
   input: StartFaceSearchRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ClientRequestToken !== undefined) {
-    bodyParams["ClientRequestToken"] = input.ClientRequestToken;
-  }
-  if (input.CollectionId !== undefined) {
-    bodyParams["CollectionId"] = input.CollectionId;
-  }
-  if (input.FaceMatchThreshold !== undefined) {
-    bodyParams["FaceMatchThreshold"] = input.FaceMatchThreshold;
-  }
-  if (input.JobTag !== undefined) {
-    bodyParams["JobTag"] = input.JobTag;
-  }
-  if (input.NotificationChannel !== undefined) {
-    bodyParams["NotificationChannel"] = serializeAws_json1_1NotificationChannel(
-      input.NotificationChannel,
-      context
-    );
-  }
-  if (input.Video !== undefined) {
-    bodyParams["Video"] = serializeAws_json1_1Video(input.Video, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.ClientRequestToken !== undefined && {
+      ClientRequestToken: input.ClientRequestToken
+    }),
+    ...(input.CollectionId !== undefined && {
+      CollectionId: input.CollectionId
+    }),
+    ...(input.FaceMatchThreshold !== undefined && {
+      FaceMatchThreshold: input.FaceMatchThreshold
+    }),
+    ...(input.JobTag !== undefined && { JobTag: input.JobTag }),
+    ...(input.NotificationChannel !== undefined && {
+      NotificationChannel: serializeAws_json1_1NotificationChannel(
+        input.NotificationChannel,
+        context
+      )
+    }),
+    ...(input.Video !== undefined && {
+      Video: serializeAws_json1_1Video(input.Video, context)
+    })
+  };
 };
 
 const serializeAws_json1_1StartLabelDetectionRequest = (
   input: StartLabelDetectionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ClientRequestToken !== undefined) {
-    bodyParams["ClientRequestToken"] = input.ClientRequestToken;
-  }
-  if (input.JobTag !== undefined) {
-    bodyParams["JobTag"] = input.JobTag;
-  }
-  if (input.MinConfidence !== undefined) {
-    bodyParams["MinConfidence"] = input.MinConfidence;
-  }
-  if (input.NotificationChannel !== undefined) {
-    bodyParams["NotificationChannel"] = serializeAws_json1_1NotificationChannel(
-      input.NotificationChannel,
-      context
-    );
-  }
-  if (input.Video !== undefined) {
-    bodyParams["Video"] = serializeAws_json1_1Video(input.Video, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.ClientRequestToken !== undefined && {
+      ClientRequestToken: input.ClientRequestToken
+    }),
+    ...(input.JobTag !== undefined && { JobTag: input.JobTag }),
+    ...(input.MinConfidence !== undefined && {
+      MinConfidence: input.MinConfidence
+    }),
+    ...(input.NotificationChannel !== undefined && {
+      NotificationChannel: serializeAws_json1_1NotificationChannel(
+        input.NotificationChannel,
+        context
+      )
+    }),
+    ...(input.Video !== undefined && {
+      Video: serializeAws_json1_1Video(input.Video, context)
+    })
+  };
 };
 
 const serializeAws_json1_1StartPersonTrackingRequest = (
   input: StartPersonTrackingRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ClientRequestToken !== undefined) {
-    bodyParams["ClientRequestToken"] = input.ClientRequestToken;
-  }
-  if (input.JobTag !== undefined) {
-    bodyParams["JobTag"] = input.JobTag;
-  }
-  if (input.NotificationChannel !== undefined) {
-    bodyParams["NotificationChannel"] = serializeAws_json1_1NotificationChannel(
-      input.NotificationChannel,
-      context
-    );
-  }
-  if (input.Video !== undefined) {
-    bodyParams["Video"] = serializeAws_json1_1Video(input.Video, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.ClientRequestToken !== undefined && {
+      ClientRequestToken: input.ClientRequestToken
+    }),
+    ...(input.JobTag !== undefined && { JobTag: input.JobTag }),
+    ...(input.NotificationChannel !== undefined && {
+      NotificationChannel: serializeAws_json1_1NotificationChannel(
+        input.NotificationChannel,
+        context
+      )
+    }),
+    ...(input.Video !== undefined && {
+      Video: serializeAws_json1_1Video(input.Video, context)
+    })
+  };
 };
 
 const serializeAws_json1_1StartProjectVersionRequest = (
   input: StartProjectVersionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MinInferenceUnits !== undefined) {
-    bodyParams["MinInferenceUnits"] = input.MinInferenceUnits;
-  }
-  if (input.ProjectVersionArn !== undefined) {
-    bodyParams["ProjectVersionArn"] = input.ProjectVersionArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.MinInferenceUnits !== undefined && {
+      MinInferenceUnits: input.MinInferenceUnits
+    }),
+    ...(input.ProjectVersionArn !== undefined && {
+      ProjectVersionArn: input.ProjectVersionArn
+    })
+  };
 };
 
 const serializeAws_json1_1StartStreamProcessorRequest = (
   input: StartStreamProcessorRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1StopProjectVersionRequest = (
   input: StopProjectVersionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ProjectVersionArn !== undefined) {
-    bodyParams["ProjectVersionArn"] = input.ProjectVersionArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.ProjectVersionArn !== undefined && {
+      ProjectVersionArn: input.ProjectVersionArn
+    })
+  };
 };
 
 const serializeAws_json1_1StopStreamProcessorRequest = (
   input: StopStreamProcessorRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1StreamProcessorInput = (
   input: StreamProcessorInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.KinesisVideoStream !== undefined) {
-    bodyParams["KinesisVideoStream"] = serializeAws_json1_1KinesisVideoStream(
-      input.KinesisVideoStream,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.KinesisVideoStream !== undefined && {
+      KinesisVideoStream: serializeAws_json1_1KinesisVideoStream(
+        input.KinesisVideoStream,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1StreamProcessorOutput = (
   input: StreamProcessorOutput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.KinesisDataStream !== undefined) {
-    bodyParams["KinesisDataStream"] = serializeAws_json1_1KinesisDataStream(
-      input.KinesisDataStream,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.KinesisDataStream !== undefined && {
+      KinesisDataStream: serializeAws_json1_1KinesisDataStream(
+        input.KinesisDataStream,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1StreamProcessorSettings = (
   input: StreamProcessorSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.FaceSearch !== undefined) {
-    bodyParams["FaceSearch"] = serializeAws_json1_1FaceSearchSettings(
-      input.FaceSearch,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.FaceSearch !== undefined && {
+      FaceSearch: serializeAws_json1_1FaceSearchSettings(
+        input.FaceSearch,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1TestingData = (
   input: TestingData,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Assets !== undefined) {
-    bodyParams["Assets"] = serializeAws_json1_1Assets(input.Assets, context);
-  }
-  if (input.AutoCreate !== undefined) {
-    bodyParams["AutoCreate"] = input.AutoCreate;
-  }
-  return bodyParams;
+  return {
+    ...(input.Assets !== undefined && {
+      Assets: serializeAws_json1_1Assets(input.Assets, context)
+    }),
+    ...(input.AutoCreate !== undefined && { AutoCreate: input.AutoCreate })
+  };
 };
 
 const serializeAws_json1_1TrainingData = (
   input: TrainingData,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Assets !== undefined) {
-    bodyParams["Assets"] = serializeAws_json1_1Assets(input.Assets, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.Assets !== undefined && {
+      Assets: serializeAws_json1_1Assets(input.Assets, context)
+    })
+  };
 };
 
 const serializeAws_json1_1VersionNames = (
@@ -7754,14 +7595,11 @@ const serializeAws_json1_1Video = (
   input: Video,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.S3Object !== undefined) {
-    bodyParams["S3Object"] = serializeAws_json1_1S3Object(
-      input.S3Object,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.S3Object !== undefined && {
+      S3Object: serializeAws_json1_1S3Object(input.S3Object, context)
+    })
+  };
 };
 
 const deserializeAws_json1_1AccessDeniedException = (
diff --git a/clients/client-resource-groups-tagging-api/protocols/Aws_json1_1.ts b/clients/client-resource-groups-tagging-api/protocols/Aws_json1_1.ts
index ac88120bd15d..66d0ebbc5e5b 100644
--- a/clients/client-resource-groups-tagging-api/protocols/Aws_json1_1.ts
+++ b/clients/client-resource-groups-tagging-api/protocols/Aws_json1_1.ts
@@ -1040,119 +1040,101 @@ const serializeAws_json1_1DescribeReportCreationInput = (
   input: DescribeReportCreationInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  return bodyParams;
+  return {};
 };
 
 const serializeAws_json1_1GetComplianceSummaryInput = (
   input: GetComplianceSummaryInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.GroupBy !== undefined) {
-    bodyParams["GroupBy"] = serializeAws_json1_1GroupBy(input.GroupBy, context);
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.PaginationToken !== undefined) {
-    bodyParams["PaginationToken"] = input.PaginationToken;
-  }
-  if (input.RegionFilters !== undefined) {
-    bodyParams["RegionFilters"] = serializeAws_json1_1RegionFilterList(
-      input.RegionFilters,
-      context
-    );
-  }
-  if (input.ResourceTypeFilters !== undefined) {
-    bodyParams[
-      "ResourceTypeFilters"
-    ] = serializeAws_json1_1ResourceTypeFilterList(
-      input.ResourceTypeFilters,
-      context
-    );
-  }
-  if (input.TagKeyFilters !== undefined) {
-    bodyParams["TagKeyFilters"] = serializeAws_json1_1TagKeyFilterList(
-      input.TagKeyFilters,
-      context
-    );
-  }
-  if (input.TargetIdFilters !== undefined) {
-    bodyParams["TargetIdFilters"] = serializeAws_json1_1TargetIdFilterList(
-      input.TargetIdFilters,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.GroupBy !== undefined && {
+      GroupBy: serializeAws_json1_1GroupBy(input.GroupBy, context)
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.PaginationToken !== undefined && {
+      PaginationToken: input.PaginationToken
+    }),
+    ...(input.RegionFilters !== undefined && {
+      RegionFilters: serializeAws_json1_1RegionFilterList(
+        input.RegionFilters,
+        context
+      )
+    }),
+    ...(input.ResourceTypeFilters !== undefined && {
+      ResourceTypeFilters: serializeAws_json1_1ResourceTypeFilterList(
+        input.ResourceTypeFilters,
+        context
+      )
+    }),
+    ...(input.TagKeyFilters !== undefined && {
+      TagKeyFilters: serializeAws_json1_1TagKeyFilterList(
+        input.TagKeyFilters,
+        context
+      )
+    }),
+    ...(input.TargetIdFilters !== undefined && {
+      TargetIdFilters: serializeAws_json1_1TargetIdFilterList(
+        input.TargetIdFilters,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1GetResourcesInput = (
   input: GetResourcesInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ExcludeCompliantResources !== undefined) {
-    bodyParams["ExcludeCompliantResources"] = input.ExcludeCompliantResources;
-  }
-  if (input.IncludeComplianceDetails !== undefined) {
-    bodyParams["IncludeComplianceDetails"] = input.IncludeComplianceDetails;
-  }
-  if (input.PaginationToken !== undefined) {
-    bodyParams["PaginationToken"] = input.PaginationToken;
-  }
-  if (input.ResourceTypeFilters !== undefined) {
-    bodyParams[
-      "ResourceTypeFilters"
-    ] = serializeAws_json1_1ResourceTypeFilterList(
-      input.ResourceTypeFilters,
-      context
-    );
-  }
-  if (input.ResourcesPerPage !== undefined) {
-    bodyParams["ResourcesPerPage"] = input.ResourcesPerPage;
-  }
-  if (input.TagFilters !== undefined) {
-    bodyParams["TagFilters"] = serializeAws_json1_1TagFilterList(
-      input.TagFilters,
-      context
-    );
-  }
-  if (input.TagsPerPage !== undefined) {
-    bodyParams["TagsPerPage"] = input.TagsPerPage;
-  }
-  return bodyParams;
+  return {
+    ...(input.ExcludeCompliantResources !== undefined && {
+      ExcludeCompliantResources: input.ExcludeCompliantResources
+    }),
+    ...(input.IncludeComplianceDetails !== undefined && {
+      IncludeComplianceDetails: input.IncludeComplianceDetails
+    }),
+    ...(input.PaginationToken !== undefined && {
+      PaginationToken: input.PaginationToken
+    }),
+    ...(input.ResourceTypeFilters !== undefined && {
+      ResourceTypeFilters: serializeAws_json1_1ResourceTypeFilterList(
+        input.ResourceTypeFilters,
+        context
+      )
+    }),
+    ...(input.ResourcesPerPage !== undefined && {
+      ResourcesPerPage: input.ResourcesPerPage
+    }),
+    ...(input.TagFilters !== undefined && {
+      TagFilters: serializeAws_json1_1TagFilterList(input.TagFilters, context)
+    }),
+    ...(input.TagsPerPage !== undefined && { TagsPerPage: input.TagsPerPage })
+  };
 };
 
 const serializeAws_json1_1GetTagKeysInput = (
   input: GetTagKeysInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.PaginationToken !== undefined) {
-    bodyParams["PaginationToken"] = input.PaginationToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.PaginationToken !== undefined && {
+      PaginationToken: input.PaginationToken
+    })
+  };
 };
 
 const serializeAws_json1_1GetTagValuesInput = (
   input: GetTagValuesInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Key !== undefined) {
-    bodyParams["Key"] = input.Key;
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.PaginationToken !== undefined) {
-    bodyParams["PaginationToken"] = input.PaginationToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.Key !== undefined && { Key: input.Key }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.PaginationToken !== undefined && {
+      PaginationToken: input.PaginationToken
+    })
+  };
 };
 
 const serializeAws_json1_1GroupBy = (
@@ -1187,28 +1169,21 @@ const serializeAws_json1_1StartReportCreationInput = (
   input: StartReportCreationInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.S3Bucket !== undefined) {
-    bodyParams["S3Bucket"] = input.S3Bucket;
-  }
-  return bodyParams;
+  return {
+    ...(input.S3Bucket !== undefined && { S3Bucket: input.S3Bucket })
+  };
 };
 
 const serializeAws_json1_1TagFilter = (
   input: TagFilter,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Key !== undefined) {
-    bodyParams["Key"] = input.Key;
-  }
-  if (input.Values !== undefined) {
-    bodyParams["Values"] = serializeAws_json1_1TagValueList(
-      input.Values,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Key !== undefined && { Key: input.Key }),
+    ...(input.Values !== undefined && {
+      Values: serializeAws_json1_1TagValueList(input.Values, context)
+    })
+  };
 };
 
 const serializeAws_json1_1TagFilterList = (
@@ -1246,17 +1221,17 @@ const serializeAws_json1_1TagResourcesInput = (
   input: TagResourcesInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceARNList !== undefined) {
-    bodyParams["ResourceARNList"] = serializeAws_json1_1ResourceARNList(
-      input.ResourceARNList,
-      context
-    );
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagMap(input.Tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceARNList !== undefined && {
+      ResourceARNList: serializeAws_json1_1ResourceARNList(
+        input.ResourceARNList,
+        context
+      )
+    }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagMap(input.Tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1TagValueList = (
@@ -1277,20 +1252,17 @@ const serializeAws_json1_1UntagResourcesInput = (
   input: UntagResourcesInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceARNList !== undefined) {
-    bodyParams["ResourceARNList"] = serializeAws_json1_1ResourceARNList(
-      input.ResourceARNList,
-      context
-    );
-  }
-  if (input.TagKeys !== undefined) {
-    bodyParams["TagKeys"] = serializeAws_json1_1TagKeyListForUntag(
-      input.TagKeys,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceARNList !== undefined && {
+      ResourceARNList: serializeAws_json1_1ResourceARNList(
+        input.ResourceARNList,
+        context
+      )
+    }),
+    ...(input.TagKeys !== undefined && {
+      TagKeys: serializeAws_json1_1TagKeyListForUntag(input.TagKeys, context)
+    })
+  };
 };
 
 const deserializeAws_json1_1ComplianceDetails = (
diff --git a/clients/client-resource-groups/protocols/Aws_restJson1_1.ts b/clients/client-resource-groups/protocols/Aws_restJson1_1.ts
index 82664b14157a..5e1715c78da9 100644
--- a/clients/client-resource-groups/protocols/Aws_restJson1_1.ts
+++ b/clients/client-resource-groups/protocols/Aws_restJson1_1.ts
@@ -2085,17 +2085,12 @@ const serializeAws_restJson1_1GroupFilter = (
   input: GroupFilter,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.Values !== undefined) {
-    bodyParams["Values"] = serializeAws_restJson1_1GroupFilterValues(
-      input.Values,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.Values !== undefined && {
+      Values: serializeAws_restJson1_1GroupFilterValues(input.Values, context)
+    })
+  };
 };
 
 const serializeAws_restJson1_1GroupFilterList = (
@@ -2118,17 +2113,15 @@ const serializeAws_restJson1_1ResourceFilter = (
   input: ResourceFilter,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.Values !== undefined) {
-    bodyParams["Values"] = serializeAws_restJson1_1ResourceFilterValues(
-      input.Values,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.Values !== undefined && {
+      Values: serializeAws_restJson1_1ResourceFilterValues(
+        input.Values,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1ResourceFilterList = (
@@ -2151,14 +2144,10 @@ const serializeAws_restJson1_1ResourceQuery = (
   input: ResourceQuery,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Query !== undefined) {
-    bodyParams["Query"] = input.Query;
-  }
-  if (input.Type !== undefined) {
-    bodyParams["Type"] = input.Type;
-  }
-  return bodyParams;
+  return {
+    ...(input.Query !== undefined && { Query: input.Query }),
+    ...(input.Type !== undefined && { Type: input.Type })
+  };
 };
 
 const serializeAws_restJson1_1TagKeyList = (
diff --git a/clients/client-robomaker/protocols/Aws_restJson1_1.ts b/clients/client-robomaker/protocols/Aws_restJson1_1.ts
index d99362c492ba..f16c89dcda7e 100644
--- a/clients/client-robomaker/protocols/Aws_restJson1_1.ts
+++ b/clients/client-robomaker/protocols/Aws_restJson1_1.ts
@@ -5940,20 +5940,13 @@ const serializeAws_restJson1_1DataSourceConfig = (
   input: DataSourceConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  if (input.s3Bucket !== undefined) {
-    bodyParams["s3Bucket"] = input.s3Bucket;
-  }
-  if (input.s3Keys !== undefined) {
-    bodyParams["s3Keys"] = serializeAws_restJson1_1S3Keys(
-      input.s3Keys,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.name !== undefined && { name: input.name }),
+    ...(input.s3Bucket !== undefined && { s3Bucket: input.s3Bucket }),
+    ...(input.s3Keys !== undefined && {
+      s3Keys: serializeAws_restJson1_1S3Keys(input.s3Keys, context)
+    })
+  };
 };
 
 const serializeAws_restJson1_1DataSourceConfigs = (
@@ -5969,20 +5962,18 @@ const serializeAws_restJson1_1DeploymentApplicationConfig = (
   input: DeploymentApplicationConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.application !== undefined) {
-    bodyParams["application"] = input.application;
-  }
-  if (input.applicationVersion !== undefined) {
-    bodyParams["applicationVersion"] = input.applicationVersion;
-  }
-  if (input.launchConfig !== undefined) {
-    bodyParams["launchConfig"] = serializeAws_restJson1_1DeploymentLaunchConfig(
-      input.launchConfig,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.application !== undefined && { application: input.application }),
+    ...(input.applicationVersion !== undefined && {
+      applicationVersion: input.applicationVersion
+    }),
+    ...(input.launchConfig !== undefined && {
+      launchConfig: serializeAws_restJson1_1DeploymentLaunchConfig(
+        input.launchConfig,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1DeploymentApplicationConfigs = (
@@ -5998,53 +5989,45 @@ const serializeAws_restJson1_1DeploymentConfig = (
   input: DeploymentConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.concurrentDeploymentPercentage !== undefined) {
-    bodyParams["concurrentDeploymentPercentage"] =
-      input.concurrentDeploymentPercentage;
-  }
-  if (input.downloadConditionFile !== undefined) {
-    bodyParams["downloadConditionFile"] = serializeAws_restJson1_1S3Object(
-      input.downloadConditionFile,
-      context
-    );
-  }
-  if (input.failureThresholdPercentage !== undefined) {
-    bodyParams["failureThresholdPercentage"] = input.failureThresholdPercentage;
-  }
-  if (input.robotDeploymentTimeoutInSeconds !== undefined) {
-    bodyParams["robotDeploymentTimeoutInSeconds"] =
-      input.robotDeploymentTimeoutInSeconds;
-  }
-  return bodyParams;
+  return {
+    ...(input.concurrentDeploymentPercentage !== undefined && {
+      concurrentDeploymentPercentage: input.concurrentDeploymentPercentage
+    }),
+    ...(input.downloadConditionFile !== undefined && {
+      downloadConditionFile: serializeAws_restJson1_1S3Object(
+        input.downloadConditionFile,
+        context
+      )
+    }),
+    ...(input.failureThresholdPercentage !== undefined && {
+      failureThresholdPercentage: input.failureThresholdPercentage
+    }),
+    ...(input.robotDeploymentTimeoutInSeconds !== undefined && {
+      robotDeploymentTimeoutInSeconds: input.robotDeploymentTimeoutInSeconds
+    })
+  };
 };
 
 const serializeAws_restJson1_1DeploymentLaunchConfig = (
   input: DeploymentLaunchConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.environmentVariables !== undefined) {
-    bodyParams[
-      "environmentVariables"
-    ] = serializeAws_restJson1_1EnvironmentVariableMap(
-      input.environmentVariables,
-      context
-    );
-  }
-  if (input.launchFile !== undefined) {
-    bodyParams["launchFile"] = input.launchFile;
-  }
-  if (input.packageName !== undefined) {
-    bodyParams["packageName"] = input.packageName;
-  }
-  if (input.postLaunchFile !== undefined) {
-    bodyParams["postLaunchFile"] = input.postLaunchFile;
-  }
-  if (input.preLaunchFile !== undefined) {
-    bodyParams["preLaunchFile"] = input.preLaunchFile;
-  }
-  return bodyParams;
+  return {
+    ...(input.environmentVariables !== undefined && {
+      environmentVariables: serializeAws_restJson1_1EnvironmentVariableMap(
+        input.environmentVariables,
+        context
+      )
+    }),
+    ...(input.launchFile !== undefined && { launchFile: input.launchFile }),
+    ...(input.packageName !== undefined && { packageName: input.packageName }),
+    ...(input.postLaunchFile !== undefined && {
+      postLaunchFile: input.postLaunchFile
+    }),
+    ...(input.preLaunchFile !== undefined && {
+      preLaunchFile: input.preLaunchFile
+    })
+  };
 };
 
 const serializeAws_restJson1_1EnvironmentVariableMap = (
@@ -6061,17 +6044,12 @@ const serializeAws_restJson1_1Filter = (
   input: Filter,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  if (input.values !== undefined) {
-    bodyParams["values"] = serializeAws_restJson1_1FilterValues(
-      input.values,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.name !== undefined && { name: input.name }),
+    ...(input.values !== undefined && {
+      values: serializeAws_restJson1_1FilterValues(input.values, context)
+    })
+  };
 };
 
 const serializeAws_restJson1_1FilterValues = (
@@ -6092,86 +6070,72 @@ const serializeAws_restJson1_1LaunchConfig = (
   input: LaunchConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.environmentVariables !== undefined) {
-    bodyParams[
-      "environmentVariables"
-    ] = serializeAws_restJson1_1EnvironmentVariableMap(
-      input.environmentVariables,
-      context
-    );
-  }
-  if (input.launchFile !== undefined) {
-    bodyParams["launchFile"] = input.launchFile;
-  }
-  if (input.packageName !== undefined) {
-    bodyParams["packageName"] = input.packageName;
-  }
-  if (input.portForwardingConfig !== undefined) {
-    bodyParams[
-      "portForwardingConfig"
-    ] = serializeAws_restJson1_1PortForwardingConfig(
-      input.portForwardingConfig,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.environmentVariables !== undefined && {
+      environmentVariables: serializeAws_restJson1_1EnvironmentVariableMap(
+        input.environmentVariables,
+        context
+      )
+    }),
+    ...(input.launchFile !== undefined && { launchFile: input.launchFile }),
+    ...(input.packageName !== undefined && { packageName: input.packageName }),
+    ...(input.portForwardingConfig !== undefined && {
+      portForwardingConfig: serializeAws_restJson1_1PortForwardingConfig(
+        input.portForwardingConfig,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1LoggingConfig = (
   input: LoggingConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.recordAllRosTopics !== undefined) {
-    bodyParams["recordAllRosTopics"] = input.recordAllRosTopics;
-  }
-  return bodyParams;
+  return {
+    ...(input.recordAllRosTopics !== undefined && {
+      recordAllRosTopics: input.recordAllRosTopics
+    })
+  };
 };
 
 const serializeAws_restJson1_1OutputLocation = (
   input: OutputLocation,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.s3Bucket !== undefined) {
-    bodyParams["s3Bucket"] = input.s3Bucket;
-  }
-  if (input.s3Prefix !== undefined) {
-    bodyParams["s3Prefix"] = input.s3Prefix;
-  }
-  return bodyParams;
+  return {
+    ...(input.s3Bucket !== undefined && { s3Bucket: input.s3Bucket }),
+    ...(input.s3Prefix !== undefined && { s3Prefix: input.s3Prefix })
+  };
 };
 
 const serializeAws_restJson1_1PortForwardingConfig = (
   input: PortForwardingConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.portMappings !== undefined) {
-    bodyParams["portMappings"] = serializeAws_restJson1_1PortMappingList(
-      input.portMappings,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.portMappings !== undefined && {
+      portMappings: serializeAws_restJson1_1PortMappingList(
+        input.portMappings,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1PortMapping = (
   input: PortMapping,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.applicationPort !== undefined) {
-    bodyParams["applicationPort"] = input.applicationPort;
-  }
-  if (input.enableOnPublicIp !== undefined) {
-    bodyParams["enableOnPublicIp"] = input.enableOnPublicIp;
-  }
-  if (input.jobPort !== undefined) {
-    bodyParams["jobPort"] = input.jobPort;
-  }
-  return bodyParams;
+  return {
+    ...(input.applicationPort !== undefined && {
+      applicationPort: input.applicationPort
+    }),
+    ...(input.enableOnPublicIp !== undefined && {
+      enableOnPublicIp: input.enableOnPublicIp
+    }),
+    ...(input.jobPort !== undefined && { jobPort: input.jobPort })
+  };
 };
 
 const serializeAws_restJson1_1PortMappingList = (
@@ -6187,34 +6151,28 @@ const serializeAws_restJson1_1RenderingEngine = (
   input: RenderingEngine,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  if (input.version !== undefined) {
-    bodyParams["version"] = input.version;
-  }
-  return bodyParams;
+  return {
+    ...(input.name !== undefined && { name: input.name }),
+    ...(input.version !== undefined && { version: input.version })
+  };
 };
 
 const serializeAws_restJson1_1RobotApplicationConfig = (
   input: RobotApplicationConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.application !== undefined) {
-    bodyParams["application"] = input.application;
-  }
-  if (input.applicationVersion !== undefined) {
-    bodyParams["applicationVersion"] = input.applicationVersion;
-  }
-  if (input.launchConfig !== undefined) {
-    bodyParams["launchConfig"] = serializeAws_restJson1_1LaunchConfig(
-      input.launchConfig,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.application !== undefined && { application: input.application }),
+    ...(input.applicationVersion !== undefined && {
+      applicationVersion: input.applicationVersion
+    }),
+    ...(input.launchConfig !== undefined && {
+      launchConfig: serializeAws_restJson1_1LaunchConfig(
+        input.launchConfig,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1RobotApplicationConfigs = (
@@ -6230,14 +6188,10 @@ const serializeAws_restJson1_1RobotSoftwareSuite = (
   input: RobotSoftwareSuite,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  if (input.version !== undefined) {
-    bodyParams["version"] = input.version;
-  }
-  return bodyParams;
+  return {
+    ...(input.name !== undefined && { name: input.name }),
+    ...(input.version !== undefined && { version: input.version })
+  };
 };
 
 const serializeAws_restJson1_1S3Keys = (
@@ -6251,17 +6205,11 @@ const serializeAws_restJson1_1S3Object = (
   input: S3Object,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.bucket !== undefined) {
-    bodyParams["bucket"] = input.bucket;
-  }
-  if (input.etag !== undefined) {
-    bodyParams["etag"] = input.etag;
-  }
-  if (input.key !== undefined) {
-    bodyParams["key"] = input.key;
-  }
-  return bodyParams;
+  return {
+    ...(input.bucket !== undefined && { bucket: input.bucket }),
+    ...(input.etag !== undefined && { etag: input.etag }),
+    ...(input.key !== undefined && { key: input.key })
+  };
 };
 
 const serializeAws_restJson1_1SecurityGroups = (
@@ -6275,20 +6223,18 @@ const serializeAws_restJson1_1SimulationApplicationConfig = (
   input: SimulationApplicationConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.application !== undefined) {
-    bodyParams["application"] = input.application;
-  }
-  if (input.applicationVersion !== undefined) {
-    bodyParams["applicationVersion"] = input.applicationVersion;
-  }
-  if (input.launchConfig !== undefined) {
-    bodyParams["launchConfig"] = serializeAws_restJson1_1LaunchConfig(
-      input.launchConfig,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.application !== undefined && { application: input.application }),
+    ...(input.applicationVersion !== undefined && {
+      applicationVersion: input.applicationVersion
+    }),
+    ...(input.launchConfig !== undefined && {
+      launchConfig: serializeAws_restJson1_1LaunchConfig(
+        input.launchConfig,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1SimulationApplicationConfigs = (
@@ -6304,31 +6250,23 @@ const serializeAws_restJson1_1SimulationSoftwareSuite = (
   input: SimulationSoftwareSuite,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  if (input.version !== undefined) {
-    bodyParams["version"] = input.version;
-  }
-  return bodyParams;
+  return {
+    ...(input.name !== undefined && { name: input.name }),
+    ...(input.version !== undefined && { version: input.version })
+  };
 };
 
 const serializeAws_restJson1_1SourceConfig = (
   input: SourceConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.architecture !== undefined) {
-    bodyParams["architecture"] = input.architecture;
-  }
-  if (input.s3Bucket !== undefined) {
-    bodyParams["s3Bucket"] = input.s3Bucket;
-  }
-  if (input.s3Key !== undefined) {
-    bodyParams["s3Key"] = input.s3Key;
-  }
-  return bodyParams;
+  return {
+    ...(input.architecture !== undefined && {
+      architecture: input.architecture
+    }),
+    ...(input.s3Bucket !== undefined && { s3Bucket: input.s3Bucket }),
+    ...(input.s3Key !== undefined && { s3Key: input.s3Key })
+  };
 };
 
 const serializeAws_restJson1_1SourceConfigs = (
@@ -6361,23 +6299,20 @@ const serializeAws_restJson1_1VPCConfig = (
   input: VPCConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.assignPublicIp !== undefined) {
-    bodyParams["assignPublicIp"] = input.assignPublicIp;
-  }
-  if (input.securityGroups !== undefined) {
-    bodyParams["securityGroups"] = serializeAws_restJson1_1SecurityGroups(
-      input.securityGroups,
-      context
-    );
-  }
-  if (input.subnets !== undefined) {
-    bodyParams["subnets"] = serializeAws_restJson1_1Subnets(
-      input.subnets,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.assignPublicIp !== undefined && {
+      assignPublicIp: input.assignPublicIp
+    }),
+    ...(input.securityGroups !== undefined && {
+      securityGroups: serializeAws_restJson1_1SecurityGroups(
+        input.securityGroups,
+        context
+      )
+    }),
+    ...(input.subnets !== undefined && {
+      subnets: serializeAws_restJson1_1Subnets(input.subnets, context)
+    })
+  };
 };
 
 const deserializeAws_restJson1_1Arns = (
diff --git a/clients/client-route-53-domains/protocols/Aws_json1_1.ts b/clients/client-route-53-domains/protocols/Aws_json1_1.ts
index 628c23b6cd58..38d35e00bca5 100644
--- a/clients/client-route-53-domains/protocols/Aws_json1_1.ts
+++ b/clients/client-route-53-domains/protocols/Aws_json1_1.ts
@@ -2722,156 +2722,111 @@ const serializeAws_json1_1CheckDomainAvailabilityRequest = (
   input: CheckDomainAvailabilityRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DomainName !== undefined) {
-    bodyParams["DomainName"] = input.DomainName;
-  }
-  if (input.IdnLangCode !== undefined) {
-    bodyParams["IdnLangCode"] = input.IdnLangCode;
-  }
-  return bodyParams;
+  return {
+    ...(input.DomainName !== undefined && { DomainName: input.DomainName }),
+    ...(input.IdnLangCode !== undefined && { IdnLangCode: input.IdnLangCode })
+  };
 };
 
 const serializeAws_json1_1CheckDomainTransferabilityRequest = (
   input: CheckDomainTransferabilityRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AuthCode !== undefined) {
-    bodyParams["AuthCode"] = input.AuthCode;
-  }
-  if (input.DomainName !== undefined) {
-    bodyParams["DomainName"] = input.DomainName;
-  }
-  return bodyParams;
+  return {
+    ...(input.AuthCode !== undefined && { AuthCode: input.AuthCode }),
+    ...(input.DomainName !== undefined && { DomainName: input.DomainName })
+  };
 };
 
 const serializeAws_json1_1ContactDetail = (
   input: ContactDetail,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AddressLine1 !== undefined) {
-    bodyParams["AddressLine1"] = input.AddressLine1;
-  }
-  if (input.AddressLine2 !== undefined) {
-    bodyParams["AddressLine2"] = input.AddressLine2;
-  }
-  if (input.City !== undefined) {
-    bodyParams["City"] = input.City;
-  }
-  if (input.ContactType !== undefined) {
-    bodyParams["ContactType"] = input.ContactType;
-  }
-  if (input.CountryCode !== undefined) {
-    bodyParams["CountryCode"] = input.CountryCode;
-  }
-  if (input.Email !== undefined) {
-    bodyParams["Email"] = input.Email;
-  }
-  if (input.ExtraParams !== undefined) {
-    bodyParams["ExtraParams"] = serializeAws_json1_1ExtraParamList(
-      input.ExtraParams,
-      context
-    );
-  }
-  if (input.Fax !== undefined) {
-    bodyParams["Fax"] = input.Fax;
-  }
-  if (input.FirstName !== undefined) {
-    bodyParams["FirstName"] = input.FirstName;
-  }
-  if (input.LastName !== undefined) {
-    bodyParams["LastName"] = input.LastName;
-  }
-  if (input.OrganizationName !== undefined) {
-    bodyParams["OrganizationName"] = input.OrganizationName;
-  }
-  if (input.PhoneNumber !== undefined) {
-    bodyParams["PhoneNumber"] = input.PhoneNumber;
-  }
-  if (input.State !== undefined) {
-    bodyParams["State"] = input.State;
-  }
-  if (input.ZipCode !== undefined) {
-    bodyParams["ZipCode"] = input.ZipCode;
-  }
-  return bodyParams;
+  return {
+    ...(input.AddressLine1 !== undefined && {
+      AddressLine1: input.AddressLine1
+    }),
+    ...(input.AddressLine2 !== undefined && {
+      AddressLine2: input.AddressLine2
+    }),
+    ...(input.City !== undefined && { City: input.City }),
+    ...(input.ContactType !== undefined && { ContactType: input.ContactType }),
+    ...(input.CountryCode !== undefined && { CountryCode: input.CountryCode }),
+    ...(input.Email !== undefined && { Email: input.Email }),
+    ...(input.ExtraParams !== undefined && {
+      ExtraParams: serializeAws_json1_1ExtraParamList(
+        input.ExtraParams,
+        context
+      )
+    }),
+    ...(input.Fax !== undefined && { Fax: input.Fax }),
+    ...(input.FirstName !== undefined && { FirstName: input.FirstName }),
+    ...(input.LastName !== undefined && { LastName: input.LastName }),
+    ...(input.OrganizationName !== undefined && {
+      OrganizationName: input.OrganizationName
+    }),
+    ...(input.PhoneNumber !== undefined && { PhoneNumber: input.PhoneNumber }),
+    ...(input.State !== undefined && { State: input.State }),
+    ...(input.ZipCode !== undefined && { ZipCode: input.ZipCode })
+  };
 };
 
 const serializeAws_json1_1DeleteTagsForDomainRequest = (
   input: DeleteTagsForDomainRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DomainName !== undefined) {
-    bodyParams["DomainName"] = input.DomainName;
-  }
-  if (input.TagsToDelete !== undefined) {
-    bodyParams["TagsToDelete"] = serializeAws_json1_1TagKeyList(
-      input.TagsToDelete,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.DomainName !== undefined && { DomainName: input.DomainName }),
+    ...(input.TagsToDelete !== undefined && {
+      TagsToDelete: serializeAws_json1_1TagKeyList(input.TagsToDelete, context)
+    })
+  };
 };
 
 const serializeAws_json1_1DisableDomainAutoRenewRequest = (
   input: DisableDomainAutoRenewRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DomainName !== undefined) {
-    bodyParams["DomainName"] = input.DomainName;
-  }
-  return bodyParams;
+  return {
+    ...(input.DomainName !== undefined && { DomainName: input.DomainName })
+  };
 };
 
 const serializeAws_json1_1DisableDomainTransferLockRequest = (
   input: DisableDomainTransferLockRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DomainName !== undefined) {
-    bodyParams["DomainName"] = input.DomainName;
-  }
-  return bodyParams;
+  return {
+    ...(input.DomainName !== undefined && { DomainName: input.DomainName })
+  };
 };
 
 const serializeAws_json1_1EnableDomainAutoRenewRequest = (
   input: EnableDomainAutoRenewRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DomainName !== undefined) {
-    bodyParams["DomainName"] = input.DomainName;
-  }
-  return bodyParams;
+  return {
+    ...(input.DomainName !== undefined && { DomainName: input.DomainName })
+  };
 };
 
 const serializeAws_json1_1EnableDomainTransferLockRequest = (
   input: EnableDomainTransferLockRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DomainName !== undefined) {
-    bodyParams["DomainName"] = input.DomainName;
-  }
-  return bodyParams;
+  return {
+    ...(input.DomainName !== undefined && { DomainName: input.DomainName })
+  };
 };
 
 const serializeAws_json1_1ExtraParam = (
   input: ExtraParam,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.Value !== undefined) {
-    bodyParams["Value"] = input.Value;
-  }
-  return bodyParams;
+  return {
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.Value !== undefined && { Value: input.Value })
+  };
 };
 
 const serializeAws_json1_1ExtraParamList = (
@@ -2885,50 +2840,42 @@ const serializeAws_json1_1GetContactReachabilityStatusRequest = (
   input: GetContactReachabilityStatusRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.domainName !== undefined) {
-    bodyParams["domainName"] = input.domainName;
-  }
-  return bodyParams;
+  return {
+    ...(input.domainName !== undefined && { domainName: input.domainName })
+  };
 };
 
 const serializeAws_json1_1GetDomainDetailRequest = (
   input: GetDomainDetailRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DomainName !== undefined) {
-    bodyParams["DomainName"] = input.DomainName;
-  }
-  return bodyParams;
+  return {
+    ...(input.DomainName !== undefined && { DomainName: input.DomainName })
+  };
 };
 
 const serializeAws_json1_1GetDomainSuggestionsRequest = (
   input: GetDomainSuggestionsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DomainName !== undefined) {
-    bodyParams["DomainName"] = input.DomainName;
-  }
-  if (input.OnlyAvailable !== undefined) {
-    bodyParams["OnlyAvailable"] = input.OnlyAvailable;
-  }
-  if (input.SuggestionCount !== undefined) {
-    bodyParams["SuggestionCount"] = input.SuggestionCount;
-  }
-  return bodyParams;
+  return {
+    ...(input.DomainName !== undefined && { DomainName: input.DomainName }),
+    ...(input.OnlyAvailable !== undefined && {
+      OnlyAvailable: input.OnlyAvailable
+    }),
+    ...(input.SuggestionCount !== undefined && {
+      SuggestionCount: input.SuggestionCount
+    })
+  };
 };
 
 const serializeAws_json1_1GetOperationDetailRequest = (
   input: GetOperationDetailRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.OperationId !== undefined) {
-    bodyParams["OperationId"] = input.OperationId;
-  }
-  return bodyParams;
+  return {
+    ...(input.OperationId !== undefined && { OperationId: input.OperationId })
+  };
 };
 
 const serializeAws_json1_1GlueIpList = (
@@ -2942,61 +2889,44 @@ const serializeAws_json1_1ListDomainsRequest = (
   input: ListDomainsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Marker !== undefined) {
-    bodyParams["Marker"] = input.Marker;
-  }
-  if (input.MaxItems !== undefined) {
-    bodyParams["MaxItems"] = input.MaxItems;
-  }
-  return bodyParams;
+  return {
+    ...(input.Marker !== undefined && { Marker: input.Marker }),
+    ...(input.MaxItems !== undefined && { MaxItems: input.MaxItems })
+  };
 };
 
 const serializeAws_json1_1ListOperationsRequest = (
   input: ListOperationsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Marker !== undefined) {
-    bodyParams["Marker"] = input.Marker;
-  }
-  if (input.MaxItems !== undefined) {
-    bodyParams["MaxItems"] = input.MaxItems;
-  }
-  if (input.SubmittedSince !== undefined) {
-    bodyParams["SubmittedSince"] = Math.round(
-      input.SubmittedSince.getTime() / 1000
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Marker !== undefined && { Marker: input.Marker }),
+    ...(input.MaxItems !== undefined && { MaxItems: input.MaxItems }),
+    ...(input.SubmittedSince !== undefined && {
+      SubmittedSince: Math.round(input.SubmittedSince.getTime() / 1000)
+    })
+  };
 };
 
 const serializeAws_json1_1ListTagsForDomainRequest = (
   input: ListTagsForDomainRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DomainName !== undefined) {
-    bodyParams["DomainName"] = input.DomainName;
-  }
-  return bodyParams;
+  return {
+    ...(input.DomainName !== undefined && { DomainName: input.DomainName })
+  };
 };
 
 const serializeAws_json1_1Nameserver = (
   input: Nameserver,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.GlueIps !== undefined) {
-    bodyParams["GlueIps"] = serializeAws_json1_1GlueIpList(
-      input.GlueIps,
-      context
-    );
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.GlueIps !== undefined && {
+      GlueIps: serializeAws_json1_1GlueIpList(input.GlueIps, context)
+    }),
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1NameserverList = (
@@ -3010,98 +2940,78 @@ const serializeAws_json1_1RegisterDomainRequest = (
   input: RegisterDomainRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AdminContact !== undefined) {
-    bodyParams["AdminContact"] = serializeAws_json1_1ContactDetail(
-      input.AdminContact,
-      context
-    );
-  }
-  if (input.AutoRenew !== undefined) {
-    bodyParams["AutoRenew"] = input.AutoRenew;
-  }
-  if (input.DomainName !== undefined) {
-    bodyParams["DomainName"] = input.DomainName;
-  }
-  if (input.DurationInYears !== undefined) {
-    bodyParams["DurationInYears"] = input.DurationInYears;
-  }
-  if (input.IdnLangCode !== undefined) {
-    bodyParams["IdnLangCode"] = input.IdnLangCode;
-  }
-  if (input.PrivacyProtectAdminContact !== undefined) {
-    bodyParams["PrivacyProtectAdminContact"] = input.PrivacyProtectAdminContact;
-  }
-  if (input.PrivacyProtectRegistrantContact !== undefined) {
-    bodyParams["PrivacyProtectRegistrantContact"] =
-      input.PrivacyProtectRegistrantContact;
-  }
-  if (input.PrivacyProtectTechContact !== undefined) {
-    bodyParams["PrivacyProtectTechContact"] = input.PrivacyProtectTechContact;
-  }
-  if (input.RegistrantContact !== undefined) {
-    bodyParams["RegistrantContact"] = serializeAws_json1_1ContactDetail(
-      input.RegistrantContact,
-      context
-    );
-  }
-  if (input.TechContact !== undefined) {
-    bodyParams["TechContact"] = serializeAws_json1_1ContactDetail(
-      input.TechContact,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.AdminContact !== undefined && {
+      AdminContact: serializeAws_json1_1ContactDetail(
+        input.AdminContact,
+        context
+      )
+    }),
+    ...(input.AutoRenew !== undefined && { AutoRenew: input.AutoRenew }),
+    ...(input.DomainName !== undefined && { DomainName: input.DomainName }),
+    ...(input.DurationInYears !== undefined && {
+      DurationInYears: input.DurationInYears
+    }),
+    ...(input.IdnLangCode !== undefined && { IdnLangCode: input.IdnLangCode }),
+    ...(input.PrivacyProtectAdminContact !== undefined && {
+      PrivacyProtectAdminContact: input.PrivacyProtectAdminContact
+    }),
+    ...(input.PrivacyProtectRegistrantContact !== undefined && {
+      PrivacyProtectRegistrantContact: input.PrivacyProtectRegistrantContact
+    }),
+    ...(input.PrivacyProtectTechContact !== undefined && {
+      PrivacyProtectTechContact: input.PrivacyProtectTechContact
+    }),
+    ...(input.RegistrantContact !== undefined && {
+      RegistrantContact: serializeAws_json1_1ContactDetail(
+        input.RegistrantContact,
+        context
+      )
+    }),
+    ...(input.TechContact !== undefined && {
+      TechContact: serializeAws_json1_1ContactDetail(input.TechContact, context)
+    })
+  };
 };
 
 const serializeAws_json1_1RenewDomainRequest = (
   input: RenewDomainRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CurrentExpiryYear !== undefined) {
-    bodyParams["CurrentExpiryYear"] = input.CurrentExpiryYear;
-  }
-  if (input.DomainName !== undefined) {
-    bodyParams["DomainName"] = input.DomainName;
-  }
-  if (input.DurationInYears !== undefined) {
-    bodyParams["DurationInYears"] = input.DurationInYears;
-  }
-  return bodyParams;
+  return {
+    ...(input.CurrentExpiryYear !== undefined && {
+      CurrentExpiryYear: input.CurrentExpiryYear
+    }),
+    ...(input.DomainName !== undefined && { DomainName: input.DomainName }),
+    ...(input.DurationInYears !== undefined && {
+      DurationInYears: input.DurationInYears
+    })
+  };
 };
 
 const serializeAws_json1_1ResendContactReachabilityEmailRequest = (
   input: ResendContactReachabilityEmailRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.domainName !== undefined) {
-    bodyParams["domainName"] = input.domainName;
-  }
-  return bodyParams;
+  return {
+    ...(input.domainName !== undefined && { domainName: input.domainName })
+  };
 };
 
 const serializeAws_json1_1RetrieveDomainAuthCodeRequest = (
   input: RetrieveDomainAuthCodeRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DomainName !== undefined) {
-    bodyParams["DomainName"] = input.DomainName;
-  }
-  return bodyParams;
+  return {
+    ...(input.DomainName !== undefined && { DomainName: input.DomainName })
+  };
 };
 
 const serializeAws_json1_1Tag = (input: Tag, context: __SerdeContext): any => {
-  const bodyParams: any = {};
-  if (input.Key !== undefined) {
-    bodyParams["Key"] = input.Key;
-  }
-  if (input.Value !== undefined) {
-    bodyParams["Value"] = input.Value;
-  }
-  return bodyParams;
+  return {
+    ...(input.Key !== undefined && { Key: input.Key }),
+    ...(input.Value !== undefined && { Value: input.Value })
+  };
 };
 
 const serializeAws_json1_1TagKeyList = (
@@ -3122,163 +3032,129 @@ const serializeAws_json1_1TransferDomainRequest = (
   input: TransferDomainRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AdminContact !== undefined) {
-    bodyParams["AdminContact"] = serializeAws_json1_1ContactDetail(
-      input.AdminContact,
-      context
-    );
-  }
-  if (input.AuthCode !== undefined) {
-    bodyParams["AuthCode"] = input.AuthCode;
-  }
-  if (input.AutoRenew !== undefined) {
-    bodyParams["AutoRenew"] = input.AutoRenew;
-  }
-  if (input.DomainName !== undefined) {
-    bodyParams["DomainName"] = input.DomainName;
-  }
-  if (input.DurationInYears !== undefined) {
-    bodyParams["DurationInYears"] = input.DurationInYears;
-  }
-  if (input.IdnLangCode !== undefined) {
-    bodyParams["IdnLangCode"] = input.IdnLangCode;
-  }
-  if (input.Nameservers !== undefined) {
-    bodyParams["Nameservers"] = serializeAws_json1_1NameserverList(
-      input.Nameservers,
-      context
-    );
-  }
-  if (input.PrivacyProtectAdminContact !== undefined) {
-    bodyParams["PrivacyProtectAdminContact"] = input.PrivacyProtectAdminContact;
-  }
-  if (input.PrivacyProtectRegistrantContact !== undefined) {
-    bodyParams["PrivacyProtectRegistrantContact"] =
-      input.PrivacyProtectRegistrantContact;
-  }
-  if (input.PrivacyProtectTechContact !== undefined) {
-    bodyParams["PrivacyProtectTechContact"] = input.PrivacyProtectTechContact;
-  }
-  if (input.RegistrantContact !== undefined) {
-    bodyParams["RegistrantContact"] = serializeAws_json1_1ContactDetail(
-      input.RegistrantContact,
-      context
-    );
-  }
-  if (input.TechContact !== undefined) {
-    bodyParams["TechContact"] = serializeAws_json1_1ContactDetail(
-      input.TechContact,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.AdminContact !== undefined && {
+      AdminContact: serializeAws_json1_1ContactDetail(
+        input.AdminContact,
+        context
+      )
+    }),
+    ...(input.AuthCode !== undefined && { AuthCode: input.AuthCode }),
+    ...(input.AutoRenew !== undefined && { AutoRenew: input.AutoRenew }),
+    ...(input.DomainName !== undefined && { DomainName: input.DomainName }),
+    ...(input.DurationInYears !== undefined && {
+      DurationInYears: input.DurationInYears
+    }),
+    ...(input.IdnLangCode !== undefined && { IdnLangCode: input.IdnLangCode }),
+    ...(input.Nameservers !== undefined && {
+      Nameservers: serializeAws_json1_1NameserverList(
+        input.Nameservers,
+        context
+      )
+    }),
+    ...(input.PrivacyProtectAdminContact !== undefined && {
+      PrivacyProtectAdminContact: input.PrivacyProtectAdminContact
+    }),
+    ...(input.PrivacyProtectRegistrantContact !== undefined && {
+      PrivacyProtectRegistrantContact: input.PrivacyProtectRegistrantContact
+    }),
+    ...(input.PrivacyProtectTechContact !== undefined && {
+      PrivacyProtectTechContact: input.PrivacyProtectTechContact
+    }),
+    ...(input.RegistrantContact !== undefined && {
+      RegistrantContact: serializeAws_json1_1ContactDetail(
+        input.RegistrantContact,
+        context
+      )
+    }),
+    ...(input.TechContact !== undefined && {
+      TechContact: serializeAws_json1_1ContactDetail(input.TechContact, context)
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateDomainContactPrivacyRequest = (
   input: UpdateDomainContactPrivacyRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AdminPrivacy !== undefined) {
-    bodyParams["AdminPrivacy"] = input.AdminPrivacy;
-  }
-  if (input.DomainName !== undefined) {
-    bodyParams["DomainName"] = input.DomainName;
-  }
-  if (input.RegistrantPrivacy !== undefined) {
-    bodyParams["RegistrantPrivacy"] = input.RegistrantPrivacy;
-  }
-  if (input.TechPrivacy !== undefined) {
-    bodyParams["TechPrivacy"] = input.TechPrivacy;
-  }
-  return bodyParams;
+  return {
+    ...(input.AdminPrivacy !== undefined && {
+      AdminPrivacy: input.AdminPrivacy
+    }),
+    ...(input.DomainName !== undefined && { DomainName: input.DomainName }),
+    ...(input.RegistrantPrivacy !== undefined && {
+      RegistrantPrivacy: input.RegistrantPrivacy
+    }),
+    ...(input.TechPrivacy !== undefined && { TechPrivacy: input.TechPrivacy })
+  };
 };
 
 const serializeAws_json1_1UpdateDomainContactRequest = (
   input: UpdateDomainContactRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AdminContact !== undefined) {
-    bodyParams["AdminContact"] = serializeAws_json1_1ContactDetail(
-      input.AdminContact,
-      context
-    );
-  }
-  if (input.DomainName !== undefined) {
-    bodyParams["DomainName"] = input.DomainName;
-  }
-  if (input.RegistrantContact !== undefined) {
-    bodyParams["RegistrantContact"] = serializeAws_json1_1ContactDetail(
-      input.RegistrantContact,
-      context
-    );
-  }
-  if (input.TechContact !== undefined) {
-    bodyParams["TechContact"] = serializeAws_json1_1ContactDetail(
-      input.TechContact,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.AdminContact !== undefined && {
+      AdminContact: serializeAws_json1_1ContactDetail(
+        input.AdminContact,
+        context
+      )
+    }),
+    ...(input.DomainName !== undefined && { DomainName: input.DomainName }),
+    ...(input.RegistrantContact !== undefined && {
+      RegistrantContact: serializeAws_json1_1ContactDetail(
+        input.RegistrantContact,
+        context
+      )
+    }),
+    ...(input.TechContact !== undefined && {
+      TechContact: serializeAws_json1_1ContactDetail(input.TechContact, context)
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateDomainNameserversRequest = (
   input: UpdateDomainNameserversRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DomainName !== undefined) {
-    bodyParams["DomainName"] = input.DomainName;
-  }
-  if (input.FIAuthKey !== undefined) {
-    bodyParams["FIAuthKey"] = input.FIAuthKey;
-  }
-  if (input.Nameservers !== undefined) {
-    bodyParams["Nameservers"] = serializeAws_json1_1NameserverList(
-      input.Nameservers,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.DomainName !== undefined && { DomainName: input.DomainName }),
+    ...(input.FIAuthKey !== undefined && { FIAuthKey: input.FIAuthKey }),
+    ...(input.Nameservers !== undefined && {
+      Nameservers: serializeAws_json1_1NameserverList(
+        input.Nameservers,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateTagsForDomainRequest = (
   input: UpdateTagsForDomainRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DomainName !== undefined) {
-    bodyParams["DomainName"] = input.DomainName;
-  }
-  if (input.TagsToUpdate !== undefined) {
-    bodyParams["TagsToUpdate"] = serializeAws_json1_1TagList(
-      input.TagsToUpdate,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.DomainName !== undefined && { DomainName: input.DomainName }),
+    ...(input.TagsToUpdate !== undefined && {
+      TagsToUpdate: serializeAws_json1_1TagList(input.TagsToUpdate, context)
+    })
+  };
 };
 
 const serializeAws_json1_1ViewBillingRequest = (
   input: ViewBillingRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.End !== undefined) {
-    bodyParams["End"] = Math.round(input.End.getTime() / 1000);
-  }
-  if (input.Marker !== undefined) {
-    bodyParams["Marker"] = input.Marker;
-  }
-  if (input.MaxItems !== undefined) {
-    bodyParams["MaxItems"] = input.MaxItems;
-  }
-  if (input.Start !== undefined) {
-    bodyParams["Start"] = Math.round(input.Start.getTime() / 1000);
-  }
-  return bodyParams;
+  return {
+    ...(input.End !== undefined && {
+      End: Math.round(input.End.getTime() / 1000)
+    }),
+    ...(input.Marker !== undefined && { Marker: input.Marker }),
+    ...(input.MaxItems !== undefined && { MaxItems: input.MaxItems }),
+    ...(input.Start !== undefined && {
+      Start: Math.round(input.Start.getTime() / 1000)
+    })
+  };
 };
 
 const deserializeAws_json1_1BillingRecord = (
diff --git a/clients/client-route53resolver/protocols/Aws_json1_1.ts b/clients/client-route53resolver/protocols/Aws_json1_1.ts
index d77b71aad89f..7de63a19f6a5 100644
--- a/clients/client-route53resolver/protocols/Aws_json1_1.ts
+++ b/clients/client-route53resolver/protocols/Aws_json1_1.ts
@@ -3175,168 +3175,138 @@ const serializeAws_json1_1AssociateResolverEndpointIpAddressRequest = (
   input: AssociateResolverEndpointIpAddressRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.IpAddress !== undefined) {
-    bodyParams["IpAddress"] = serializeAws_json1_1IpAddressUpdate(
-      input.IpAddress,
-      context
-    );
-  }
-  if (input.ResolverEndpointId !== undefined) {
-    bodyParams["ResolverEndpointId"] = input.ResolverEndpointId;
-  }
-  return bodyParams;
+  return {
+    ...(input.IpAddress !== undefined && {
+      IpAddress: serializeAws_json1_1IpAddressUpdate(input.IpAddress, context)
+    }),
+    ...(input.ResolverEndpointId !== undefined && {
+      ResolverEndpointId: input.ResolverEndpointId
+    })
+  };
 };
 
 const serializeAws_json1_1AssociateResolverRuleRequest = (
   input: AssociateResolverRuleRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.ResolverRuleId !== undefined) {
-    bodyParams["ResolverRuleId"] = input.ResolverRuleId;
-  }
-  if (input.VPCId !== undefined) {
-    bodyParams["VPCId"] = input.VPCId;
-  }
-  return bodyParams;
+  return {
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.ResolverRuleId !== undefined && {
+      ResolverRuleId: input.ResolverRuleId
+    }),
+    ...(input.VPCId !== undefined && { VPCId: input.VPCId })
+  };
 };
 
 const serializeAws_json1_1CreateResolverEndpointRequest = (
   input: CreateResolverEndpointRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CreatorRequestId !== undefined) {
-    bodyParams["CreatorRequestId"] = input.CreatorRequestId;
-  }
-  if (input.Direction !== undefined) {
-    bodyParams["Direction"] = input.Direction;
-  }
-  if (input.IpAddresses !== undefined) {
-    bodyParams["IpAddresses"] = serializeAws_json1_1IpAddressesRequest(
-      input.IpAddresses,
-      context
-    );
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.SecurityGroupIds !== undefined) {
-    bodyParams["SecurityGroupIds"] = serializeAws_json1_1SecurityGroupIds(
-      input.SecurityGroupIds,
-      context
-    );
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagList(input.Tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.CreatorRequestId !== undefined && {
+      CreatorRequestId: input.CreatorRequestId
+    }),
+    ...(input.Direction !== undefined && { Direction: input.Direction }),
+    ...(input.IpAddresses !== undefined && {
+      IpAddresses: serializeAws_json1_1IpAddressesRequest(
+        input.IpAddresses,
+        context
+      )
+    }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.SecurityGroupIds !== undefined && {
+      SecurityGroupIds: serializeAws_json1_1SecurityGroupIds(
+        input.SecurityGroupIds,
+        context
+      )
+    }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagList(input.Tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1CreateResolverRuleRequest = (
   input: CreateResolverRuleRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CreatorRequestId !== undefined) {
-    bodyParams["CreatorRequestId"] = input.CreatorRequestId;
-  }
-  if (input.DomainName !== undefined) {
-    bodyParams["DomainName"] = input.DomainName;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.ResolverEndpointId !== undefined) {
-    bodyParams["ResolverEndpointId"] = input.ResolverEndpointId;
-  }
-  if (input.RuleType !== undefined) {
-    bodyParams["RuleType"] = input.RuleType;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagList(input.Tags, context);
-  }
-  if (input.TargetIps !== undefined) {
-    bodyParams["TargetIps"] = serializeAws_json1_1TargetList(
-      input.TargetIps,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.CreatorRequestId !== undefined && {
+      CreatorRequestId: input.CreatorRequestId
+    }),
+    ...(input.DomainName !== undefined && { DomainName: input.DomainName }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.ResolverEndpointId !== undefined && {
+      ResolverEndpointId: input.ResolverEndpointId
+    }),
+    ...(input.RuleType !== undefined && { RuleType: input.RuleType }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagList(input.Tags, context)
+    }),
+    ...(input.TargetIps !== undefined && {
+      TargetIps: serializeAws_json1_1TargetList(input.TargetIps, context)
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteResolverEndpointRequest = (
   input: DeleteResolverEndpointRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResolverEndpointId !== undefined) {
-    bodyParams["ResolverEndpointId"] = input.ResolverEndpointId;
-  }
-  return bodyParams;
+  return {
+    ...(input.ResolverEndpointId !== undefined && {
+      ResolverEndpointId: input.ResolverEndpointId
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteResolverRuleRequest = (
   input: DeleteResolverRuleRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResolverRuleId !== undefined) {
-    bodyParams["ResolverRuleId"] = input.ResolverRuleId;
-  }
-  return bodyParams;
+  return {
+    ...(input.ResolverRuleId !== undefined && {
+      ResolverRuleId: input.ResolverRuleId
+    })
+  };
 };
 
 const serializeAws_json1_1DisassociateResolverEndpointIpAddressRequest = (
   input: DisassociateResolverEndpointIpAddressRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.IpAddress !== undefined) {
-    bodyParams["IpAddress"] = serializeAws_json1_1IpAddressUpdate(
-      input.IpAddress,
-      context
-    );
-  }
-  if (input.ResolverEndpointId !== undefined) {
-    bodyParams["ResolverEndpointId"] = input.ResolverEndpointId;
-  }
-  return bodyParams;
+  return {
+    ...(input.IpAddress !== undefined && {
+      IpAddress: serializeAws_json1_1IpAddressUpdate(input.IpAddress, context)
+    }),
+    ...(input.ResolverEndpointId !== undefined && {
+      ResolverEndpointId: input.ResolverEndpointId
+    })
+  };
 };
 
 const serializeAws_json1_1DisassociateResolverRuleRequest = (
   input: DisassociateResolverRuleRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResolverRuleId !== undefined) {
-    bodyParams["ResolverRuleId"] = input.ResolverRuleId;
-  }
-  if (input.VPCId !== undefined) {
-    bodyParams["VPCId"] = input.VPCId;
-  }
-  return bodyParams;
+  return {
+    ...(input.ResolverRuleId !== undefined && {
+      ResolverRuleId: input.ResolverRuleId
+    }),
+    ...(input.VPCId !== undefined && { VPCId: input.VPCId })
+  };
 };
 
 const serializeAws_json1_1Filter = (
   input: Filter,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.Values !== undefined) {
-    bodyParams["Values"] = serializeAws_json1_1FilterValues(
-      input.Values,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.Values !== undefined && {
+      Values: serializeAws_json1_1FilterValues(input.Values, context)
+    })
+  };
 };
 
 const serializeAws_json1_1FilterValues = (
@@ -3357,75 +3327,63 @@ const serializeAws_json1_1GetResolverEndpointRequest = (
   input: GetResolverEndpointRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResolverEndpointId !== undefined) {
-    bodyParams["ResolverEndpointId"] = input.ResolverEndpointId;
-  }
-  return bodyParams;
+  return {
+    ...(input.ResolverEndpointId !== undefined && {
+      ResolverEndpointId: input.ResolverEndpointId
+    })
+  };
 };
 
 const serializeAws_json1_1GetResolverRuleAssociationRequest = (
   input: GetResolverRuleAssociationRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResolverRuleAssociationId !== undefined) {
-    bodyParams["ResolverRuleAssociationId"] = input.ResolverRuleAssociationId;
-  }
-  return bodyParams;
+  return {
+    ...(input.ResolverRuleAssociationId !== undefined && {
+      ResolverRuleAssociationId: input.ResolverRuleAssociationId
+    })
+  };
 };
 
 const serializeAws_json1_1GetResolverRulePolicyRequest = (
   input: GetResolverRulePolicyRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Arn !== undefined) {
-    bodyParams["Arn"] = input.Arn;
-  }
-  return bodyParams;
+  return {
+    ...(input.Arn !== undefined && { Arn: input.Arn })
+  };
 };
 
 const serializeAws_json1_1GetResolverRuleRequest = (
   input: GetResolverRuleRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResolverRuleId !== undefined) {
-    bodyParams["ResolverRuleId"] = input.ResolverRuleId;
-  }
-  return bodyParams;
+  return {
+    ...(input.ResolverRuleId !== undefined && {
+      ResolverRuleId: input.ResolverRuleId
+    })
+  };
 };
 
 const serializeAws_json1_1IpAddressRequest = (
   input: IpAddressRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Ip !== undefined) {
-    bodyParams["Ip"] = input.Ip;
-  }
-  if (input.SubnetId !== undefined) {
-    bodyParams["SubnetId"] = input.SubnetId;
-  }
-  return bodyParams;
+  return {
+    ...(input.Ip !== undefined && { Ip: input.Ip }),
+    ...(input.SubnetId !== undefined && { SubnetId: input.SubnetId })
+  };
 };
 
 const serializeAws_json1_1IpAddressUpdate = (
   input: IpAddressUpdate,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Ip !== undefined) {
-    bodyParams["Ip"] = input.Ip;
-  }
-  if (input.IpId !== undefined) {
-    bodyParams["IpId"] = input.IpId;
-  }
-  if (input.SubnetId !== undefined) {
-    bodyParams["SubnetId"] = input.SubnetId;
-  }
-  return bodyParams;
+  return {
+    ...(input.Ip !== undefined && { Ip: input.Ip }),
+    ...(input.IpId !== undefined && { IpId: input.IpId }),
+    ...(input.SubnetId !== undefined && { SubnetId: input.SubnetId })
+  };
 };
 
 const serializeAws_json1_1IpAddressesRequest = (
@@ -3441,119 +3399,90 @@ const serializeAws_json1_1ListResolverEndpointIpAddressesRequest = (
   input: ListResolverEndpointIpAddressesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.ResolverEndpointId !== undefined) {
-    bodyParams["ResolverEndpointId"] = input.ResolverEndpointId;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.ResolverEndpointId !== undefined && {
+      ResolverEndpointId: input.ResolverEndpointId
+    })
+  };
 };
 
 const serializeAws_json1_1ListResolverEndpointsRequest = (
   input: ListResolverEndpointsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Filters !== undefined) {
-    bodyParams["Filters"] = serializeAws_json1_1Filters(input.Filters, context);
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.Filters !== undefined && {
+      Filters: serializeAws_json1_1Filters(input.Filters, context)
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1ListResolverRuleAssociationsRequest = (
   input: ListResolverRuleAssociationsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Filters !== undefined) {
-    bodyParams["Filters"] = serializeAws_json1_1Filters(input.Filters, context);
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.Filters !== undefined && {
+      Filters: serializeAws_json1_1Filters(input.Filters, context)
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1ListResolverRulesRequest = (
   input: ListResolverRulesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Filters !== undefined) {
-    bodyParams["Filters"] = serializeAws_json1_1Filters(input.Filters, context);
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.Filters !== undefined && {
+      Filters: serializeAws_json1_1Filters(input.Filters, context)
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1ListTagsForResourceRequest = (
   input: ListTagsForResourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.ResourceArn !== undefined) {
-    bodyParams["ResourceArn"] = input.ResourceArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.ResourceArn !== undefined && { ResourceArn: input.ResourceArn })
+  };
 };
 
 const serializeAws_json1_1PutResolverRulePolicyRequest = (
   input: PutResolverRulePolicyRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Arn !== undefined) {
-    bodyParams["Arn"] = input.Arn;
-  }
-  if (input.ResolverRulePolicy !== undefined) {
-    bodyParams["ResolverRulePolicy"] = input.ResolverRulePolicy;
-  }
-  return bodyParams;
+  return {
+    ...(input.Arn !== undefined && { Arn: input.Arn }),
+    ...(input.ResolverRulePolicy !== undefined && {
+      ResolverRulePolicy: input.ResolverRulePolicy
+    })
+  };
 };
 
 const serializeAws_json1_1ResolverRuleConfig = (
   input: ResolverRuleConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.ResolverEndpointId !== undefined) {
-    bodyParams["ResolverEndpointId"] = input.ResolverEndpointId;
-  }
-  if (input.TargetIps !== undefined) {
-    bodyParams["TargetIps"] = serializeAws_json1_1TargetList(
-      input.TargetIps,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.ResolverEndpointId !== undefined && {
+      ResolverEndpointId: input.ResolverEndpointId
+    }),
+    ...(input.TargetIps !== undefined && {
+      TargetIps: serializeAws_json1_1TargetList(input.TargetIps, context)
+    })
+  };
 };
 
 const serializeAws_json1_1SecurityGroupIds = (
@@ -3564,14 +3493,10 @@ const serializeAws_json1_1SecurityGroupIds = (
 };
 
 const serializeAws_json1_1Tag = (input: Tag, context: __SerdeContext): any => {
-  const bodyParams: any = {};
-  if (input.Key !== undefined) {
-    bodyParams["Key"] = input.Key;
-  }
-  if (input.Value !== undefined) {
-    bodyParams["Value"] = input.Value;
-  }
-  return bodyParams;
+  return {
+    ...(input.Key !== undefined && { Key: input.Key }),
+    ...(input.Value !== undefined && { Value: input.Value })
+  };
 };
 
 const serializeAws_json1_1TagKeyList = (
@@ -3592,28 +3517,22 @@ const serializeAws_json1_1TagResourceRequest = (
   input: TagResourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceArn !== undefined) {
-    bodyParams["ResourceArn"] = input.ResourceArn;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagList(input.Tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceArn !== undefined && { ResourceArn: input.ResourceArn }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagList(input.Tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1TargetAddress = (
   input: TargetAddress,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Ip !== undefined) {
-    bodyParams["Ip"] = input.Ip;
-  }
-  if (input.Port !== undefined) {
-    bodyParams["Port"] = input.Port;
-  }
-  return bodyParams;
+  return {
+    ...(input.Ip !== undefined && { Ip: input.Ip }),
+    ...(input.Port !== undefined && { Port: input.Port })
+  };
 };
 
 const serializeAws_json1_1TargetList = (
@@ -3627,48 +3546,38 @@ const serializeAws_json1_1UntagResourceRequest = (
   input: UntagResourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceArn !== undefined) {
-    bodyParams["ResourceArn"] = input.ResourceArn;
-  }
-  if (input.TagKeys !== undefined) {
-    bodyParams["TagKeys"] = serializeAws_json1_1TagKeyList(
-      input.TagKeys,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceArn !== undefined && { ResourceArn: input.ResourceArn }),
+    ...(input.TagKeys !== undefined && {
+      TagKeys: serializeAws_json1_1TagKeyList(input.TagKeys, context)
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateResolverEndpointRequest = (
   input: UpdateResolverEndpointRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.ResolverEndpointId !== undefined) {
-    bodyParams["ResolverEndpointId"] = input.ResolverEndpointId;
-  }
-  return bodyParams;
+  return {
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.ResolverEndpointId !== undefined && {
+      ResolverEndpointId: input.ResolverEndpointId
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateResolverRuleRequest = (
   input: UpdateResolverRuleRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Config !== undefined) {
-    bodyParams["Config"] = serializeAws_json1_1ResolverRuleConfig(
-      input.Config,
-      context
-    );
-  }
-  if (input.ResolverRuleId !== undefined) {
-    bodyParams["ResolverRuleId"] = input.ResolverRuleId;
-  }
-  return bodyParams;
+  return {
+    ...(input.Config !== undefined && {
+      Config: serializeAws_json1_1ResolverRuleConfig(input.Config, context)
+    }),
+    ...(input.ResolverRuleId !== undefined && {
+      ResolverRuleId: input.ResolverRuleId
+    })
+  };
 };
 
 const deserializeAws_json1_1AssociateResolverEndpointIpAddressResponse = (
diff --git a/clients/client-sagemaker-a2i-runtime/protocols/Aws_restJson1_1.ts b/clients/client-sagemaker-a2i-runtime/protocols/Aws_restJson1_1.ts
index 1618f3777ae5..40ba98f1f304 100644
--- a/clients/client-sagemaker-a2i-runtime/protocols/Aws_restJson1_1.ts
+++ b/clients/client-sagemaker-a2i-runtime/protocols/Aws_restJson1_1.ts
@@ -836,27 +836,25 @@ const serializeAws_restJson1_1HumanLoopInputContent = (
   input: HumanLoopInputContent,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.InputContent !== undefined) {
-    bodyParams["InputContent"] = input.InputContent;
-  }
-  return bodyParams;
+  return {
+    ...(input.InputContent !== undefined && {
+      InputContent: input.InputContent
+    })
+  };
 };
 
 const serializeAws_restJson1_1HumanReviewDataAttributes = (
   input: HumanReviewDataAttributes,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ContentClassifiers !== undefined) {
-    bodyParams[
-      "ContentClassifiers"
-    ] = serializeAws_restJson1_1ContentClassifiers(
-      input.ContentClassifiers,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ContentClassifiers !== undefined && {
+      ContentClassifiers: serializeAws_restJson1_1ContentClassifiers(
+        input.ContentClassifiers,
+        context
+      )
+    })
+  };
 };
 
 const deserializeAws_restJson1_1HumanLoopActivationReason = (
diff --git a/clients/client-sagemaker/protocols/Aws_json1_1.ts b/clients/client-sagemaker/protocols/Aws_json1_1.ts
index 862e4f9984fa..b3348280ae12 100644
--- a/clients/client-sagemaker/protocols/Aws_json1_1.ts
+++ b/clients/client-sagemaker/protocols/Aws_json1_1.ts
@@ -10936,14 +10936,12 @@ const serializeAws_json1_1AddTagsInput = (
   input: AddTagsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceArn !== undefined) {
-    bodyParams["ResourceArn"] = input.ResourceArn;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagList(input.Tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceArn !== undefined && { ResourceArn: input.ResourceArn }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagList(input.Tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1AdditionalCodeRepositoryNamesOrUrls = (
@@ -10957,54 +10955,47 @@ const serializeAws_json1_1AlgorithmSpecification = (
   input: AlgorithmSpecification,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AlgorithmName !== undefined) {
-    bodyParams["AlgorithmName"] = input.AlgorithmName;
-  }
-  if (input.EnableSageMakerMetricsTimeSeries !== undefined) {
-    bodyParams["EnableSageMakerMetricsTimeSeries"] =
-      input.EnableSageMakerMetricsTimeSeries;
-  }
-  if (input.MetricDefinitions !== undefined) {
-    bodyParams["MetricDefinitions"] = serializeAws_json1_1MetricDefinitionList(
-      input.MetricDefinitions,
-      context
-    );
-  }
-  if (input.TrainingImage !== undefined) {
-    bodyParams["TrainingImage"] = input.TrainingImage;
-  }
-  if (input.TrainingInputMode !== undefined) {
-    bodyParams["TrainingInputMode"] = input.TrainingInputMode;
-  }
-  return bodyParams;
+  return {
+    ...(input.AlgorithmName !== undefined && {
+      AlgorithmName: input.AlgorithmName
+    }),
+    ...(input.EnableSageMakerMetricsTimeSeries !== undefined && {
+      EnableSageMakerMetricsTimeSeries: input.EnableSageMakerMetricsTimeSeries
+    }),
+    ...(input.MetricDefinitions !== undefined && {
+      MetricDefinitions: serializeAws_json1_1MetricDefinitionList(
+        input.MetricDefinitions,
+        context
+      )
+    }),
+    ...(input.TrainingImage !== undefined && {
+      TrainingImage: input.TrainingImage
+    }),
+    ...(input.TrainingInputMode !== undefined && {
+      TrainingInputMode: input.TrainingInputMode
+    })
+  };
 };
 
 const serializeAws_json1_1AlgorithmValidationProfile = (
   input: AlgorithmValidationProfile,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ProfileName !== undefined) {
-    bodyParams["ProfileName"] = input.ProfileName;
-  }
-  if (input.TrainingJobDefinition !== undefined) {
-    bodyParams[
-      "TrainingJobDefinition"
-    ] = serializeAws_json1_1TrainingJobDefinition(
-      input.TrainingJobDefinition,
-      context
-    );
-  }
-  if (input.TransformJobDefinition !== undefined) {
-    bodyParams[
-      "TransformJobDefinition"
-    ] = serializeAws_json1_1TransformJobDefinition(
-      input.TransformJobDefinition,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ProfileName !== undefined && { ProfileName: input.ProfileName }),
+    ...(input.TrainingJobDefinition !== undefined && {
+      TrainingJobDefinition: serializeAws_json1_1TrainingJobDefinition(
+        input.TrainingJobDefinition,
+        context
+      )
+    }),
+    ...(input.TransformJobDefinition !== undefined && {
+      TransformJobDefinition: serializeAws_json1_1TransformJobDefinition(
+        input.TransformJobDefinition,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1AlgorithmValidationProfiles = (
@@ -11020,68 +11011,61 @@ const serializeAws_json1_1AlgorithmValidationSpecification = (
   input: AlgorithmValidationSpecification,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ValidationProfiles !== undefined) {
-    bodyParams[
-      "ValidationProfiles"
-    ] = serializeAws_json1_1AlgorithmValidationProfiles(
-      input.ValidationProfiles,
-      context
-    );
-  }
-  if (input.ValidationRole !== undefined) {
-    bodyParams["ValidationRole"] = input.ValidationRole;
-  }
-  return bodyParams;
+  return {
+    ...(input.ValidationProfiles !== undefined && {
+      ValidationProfiles: serializeAws_json1_1AlgorithmValidationProfiles(
+        input.ValidationProfiles,
+        context
+      )
+    }),
+    ...(input.ValidationRole !== undefined && {
+      ValidationRole: input.ValidationRole
+    })
+  };
 };
 
 const serializeAws_json1_1AnnotationConsolidationConfig = (
   input: AnnotationConsolidationConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AnnotationConsolidationLambdaArn !== undefined) {
-    bodyParams["AnnotationConsolidationLambdaArn"] =
-      input.AnnotationConsolidationLambdaArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.AnnotationConsolidationLambdaArn !== undefined && {
+      AnnotationConsolidationLambdaArn: input.AnnotationConsolidationLambdaArn
+    })
+  };
 };
 
 const serializeAws_json1_1AppSpecification = (
   input: AppSpecification,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ContainerArguments !== undefined) {
-    bodyParams["ContainerArguments"] = serializeAws_json1_1ContainerArguments(
-      input.ContainerArguments,
-      context
-    );
-  }
-  if (input.ContainerEntrypoint !== undefined) {
-    bodyParams["ContainerEntrypoint"] = serializeAws_json1_1ContainerEntrypoint(
-      input.ContainerEntrypoint,
-      context
-    );
-  }
-  if (input.ImageUri !== undefined) {
-    bodyParams["ImageUri"] = input.ImageUri;
-  }
-  return bodyParams;
+  return {
+    ...(input.ContainerArguments !== undefined && {
+      ContainerArguments: serializeAws_json1_1ContainerArguments(
+        input.ContainerArguments,
+        context
+      )
+    }),
+    ...(input.ContainerEntrypoint !== undefined && {
+      ContainerEntrypoint: serializeAws_json1_1ContainerEntrypoint(
+        input.ContainerEntrypoint,
+        context
+      )
+    }),
+    ...(input.ImageUri !== undefined && { ImageUri: input.ImageUri })
+  };
 };
 
 const serializeAws_json1_1AssociateTrialComponentRequest = (
   input: AssociateTrialComponentRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.TrialComponentName !== undefined) {
-    bodyParams["TrialComponentName"] = input.TrialComponentName;
-  }
-  if (input.TrialName !== undefined) {
-    bodyParams["TrialName"] = input.TrialName;
-  }
-  return bodyParams;
+  return {
+    ...(input.TrialComponentName !== undefined && {
+      TrialComponentName: input.TrialComponentName
+    }),
+    ...(input.TrialName !== undefined && { TrialName: input.TrialName })
+  };
 };
 
 const serializeAws_json1_1AttributeNames = (
@@ -11095,34 +11079,34 @@ const serializeAws_json1_1AutoMLChannel = (
   input: AutoMLChannel,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CompressionType !== undefined) {
-    bodyParams["CompressionType"] = input.CompressionType;
-  }
-  if (input.DataSource !== undefined) {
-    bodyParams["DataSource"] = serializeAws_json1_1AutoMLDataSource(
-      input.DataSource,
-      context
-    );
-  }
-  if (input.TargetAttributeName !== undefined) {
-    bodyParams["TargetAttributeName"] = input.TargetAttributeName;
-  }
-  return bodyParams;
+  return {
+    ...(input.CompressionType !== undefined && {
+      CompressionType: input.CompressionType
+    }),
+    ...(input.DataSource !== undefined && {
+      DataSource: serializeAws_json1_1AutoMLDataSource(
+        input.DataSource,
+        context
+      )
+    }),
+    ...(input.TargetAttributeName !== undefined && {
+      TargetAttributeName: input.TargetAttributeName
+    })
+  };
 };
 
 const serializeAws_json1_1AutoMLDataSource = (
   input: AutoMLDataSource,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.S3DataSource !== undefined) {
-    bodyParams["S3DataSource"] = serializeAws_json1_1AutoMLS3DataSource(
-      input.S3DataSource,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.S3DataSource !== undefined && {
+      S3DataSource: serializeAws_json1_1AutoMLS3DataSource(
+        input.S3DataSource,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1AutoMLInputDataConfig = (
@@ -11136,132 +11120,115 @@ const serializeAws_json1_1AutoMLJobCompletionCriteria = (
   input: AutoMLJobCompletionCriteria,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxAutoMLJobRuntimeInSeconds !== undefined) {
-    bodyParams["MaxAutoMLJobRuntimeInSeconds"] =
-      input.MaxAutoMLJobRuntimeInSeconds;
-  }
-  if (input.MaxCandidates !== undefined) {
-    bodyParams["MaxCandidates"] = input.MaxCandidates;
-  }
-  if (input.MaxRuntimePerTrainingJobInSeconds !== undefined) {
-    bodyParams["MaxRuntimePerTrainingJobInSeconds"] =
-      input.MaxRuntimePerTrainingJobInSeconds;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxAutoMLJobRuntimeInSeconds !== undefined && {
+      MaxAutoMLJobRuntimeInSeconds: input.MaxAutoMLJobRuntimeInSeconds
+    }),
+    ...(input.MaxCandidates !== undefined && {
+      MaxCandidates: input.MaxCandidates
+    }),
+    ...(input.MaxRuntimePerTrainingJobInSeconds !== undefined && {
+      MaxRuntimePerTrainingJobInSeconds: input.MaxRuntimePerTrainingJobInSeconds
+    })
+  };
 };
 
 const serializeAws_json1_1AutoMLJobConfig = (
   input: AutoMLJobConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CompletionCriteria !== undefined) {
-    bodyParams[
-      "CompletionCriteria"
-    ] = serializeAws_json1_1AutoMLJobCompletionCriteria(
-      input.CompletionCriteria,
-      context
-    );
-  }
-  if (input.SecurityConfig !== undefined) {
-    bodyParams["SecurityConfig"] = serializeAws_json1_1AutoMLSecurityConfig(
-      input.SecurityConfig,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.CompletionCriteria !== undefined && {
+      CompletionCriteria: serializeAws_json1_1AutoMLJobCompletionCriteria(
+        input.CompletionCriteria,
+        context
+      )
+    }),
+    ...(input.SecurityConfig !== undefined && {
+      SecurityConfig: serializeAws_json1_1AutoMLSecurityConfig(
+        input.SecurityConfig,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1AutoMLJobObjective = (
   input: AutoMLJobObjective,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MetricName !== undefined) {
-    bodyParams["MetricName"] = input.MetricName;
-  }
-  return bodyParams;
+  return {
+    ...(input.MetricName !== undefined && { MetricName: input.MetricName })
+  };
 };
 
 const serializeAws_json1_1AutoMLOutputDataConfig = (
   input: AutoMLOutputDataConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.KmsKeyId !== undefined) {
-    bodyParams["KmsKeyId"] = input.KmsKeyId;
-  }
-  if (input.S3OutputPath !== undefined) {
-    bodyParams["S3OutputPath"] = input.S3OutputPath;
-  }
-  return bodyParams;
+  return {
+    ...(input.KmsKeyId !== undefined && { KmsKeyId: input.KmsKeyId }),
+    ...(input.S3OutputPath !== undefined && {
+      S3OutputPath: input.S3OutputPath
+    })
+  };
 };
 
 const serializeAws_json1_1AutoMLS3DataSource = (
   input: AutoMLS3DataSource,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.S3DataType !== undefined) {
-    bodyParams["S3DataType"] = input.S3DataType;
-  }
-  if (input.S3Uri !== undefined) {
-    bodyParams["S3Uri"] = input.S3Uri;
-  }
-  return bodyParams;
+  return {
+    ...(input.S3DataType !== undefined && { S3DataType: input.S3DataType }),
+    ...(input.S3Uri !== undefined && { S3Uri: input.S3Uri })
+  };
 };
 
 const serializeAws_json1_1AutoMLSecurityConfig = (
   input: AutoMLSecurityConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EnableInterContainerTrafficEncryption !== undefined) {
-    bodyParams["EnableInterContainerTrafficEncryption"] =
-      input.EnableInterContainerTrafficEncryption;
-  }
-  if (input.VolumeKmsKeyId !== undefined) {
-    bodyParams["VolumeKmsKeyId"] = input.VolumeKmsKeyId;
-  }
-  if (input.VpcConfig !== undefined) {
-    bodyParams["VpcConfig"] = serializeAws_json1_1VpcConfig(
-      input.VpcConfig,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.EnableInterContainerTrafficEncryption !== undefined && {
+      EnableInterContainerTrafficEncryption:
+        input.EnableInterContainerTrafficEncryption
+    }),
+    ...(input.VolumeKmsKeyId !== undefined && {
+      VolumeKmsKeyId: input.VolumeKmsKeyId
+    }),
+    ...(input.VpcConfig !== undefined && {
+      VpcConfig: serializeAws_json1_1VpcConfig(input.VpcConfig, context)
+    })
+  };
 };
 
 const serializeAws_json1_1CaptureContentTypeHeader = (
   input: CaptureContentTypeHeader,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CsvContentTypes !== undefined) {
-    bodyParams["CsvContentTypes"] = serializeAws_json1_1CsvContentTypes(
-      input.CsvContentTypes,
-      context
-    );
-  }
-  if (input.JsonContentTypes !== undefined) {
-    bodyParams["JsonContentTypes"] = serializeAws_json1_1JsonContentTypes(
-      input.JsonContentTypes,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.CsvContentTypes !== undefined && {
+      CsvContentTypes: serializeAws_json1_1CsvContentTypes(
+        input.CsvContentTypes,
+        context
+      )
+    }),
+    ...(input.JsonContentTypes !== undefined && {
+      JsonContentTypes: serializeAws_json1_1JsonContentTypes(
+        input.JsonContentTypes,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1CaptureOption = (
   input: CaptureOption,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CaptureMode !== undefined) {
-    bodyParams["CaptureMode"] = input.CaptureMode;
-  }
-  return bodyParams;
+  return {
+    ...(input.CaptureMode !== undefined && { CaptureMode: input.CaptureMode })
+  };
 };
 
 const serializeAws_json1_1CaptureOptionList = (
@@ -11275,31 +11242,23 @@ const serializeAws_json1_1CategoricalParameterRange = (
   input: CategoricalParameterRange,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.Values !== undefined) {
-    bodyParams["Values"] = serializeAws_json1_1ParameterValues(
-      input.Values,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.Values !== undefined && {
+      Values: serializeAws_json1_1ParameterValues(input.Values, context)
+    })
+  };
 };
 
 const serializeAws_json1_1CategoricalParameterRangeSpecification = (
   input: CategoricalParameterRangeSpecification,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Values !== undefined) {
-    bodyParams["Values"] = serializeAws_json1_1ParameterValues(
-      input.Values,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Values !== undefined && {
+      Values: serializeAws_json1_1ParameterValues(input.Values, context)
+    })
+  };
 };
 
 const serializeAws_json1_1CategoricalParameterRanges = (
@@ -11315,72 +11274,55 @@ const serializeAws_json1_1Channel = (
   input: Channel,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ChannelName !== undefined) {
-    bodyParams["ChannelName"] = input.ChannelName;
-  }
-  if (input.CompressionType !== undefined) {
-    bodyParams["CompressionType"] = input.CompressionType;
-  }
-  if (input.ContentType !== undefined) {
-    bodyParams["ContentType"] = input.ContentType;
-  }
-  if (input.DataSource !== undefined) {
-    bodyParams["DataSource"] = serializeAws_json1_1DataSource(
-      input.DataSource,
-      context
-    );
-  }
-  if (input.InputMode !== undefined) {
-    bodyParams["InputMode"] = input.InputMode;
-  }
-  if (input.RecordWrapperType !== undefined) {
-    bodyParams["RecordWrapperType"] = input.RecordWrapperType;
-  }
-  if (input.ShuffleConfig !== undefined) {
-    bodyParams["ShuffleConfig"] = serializeAws_json1_1ShuffleConfig(
-      input.ShuffleConfig,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ChannelName !== undefined && { ChannelName: input.ChannelName }),
+    ...(input.CompressionType !== undefined && {
+      CompressionType: input.CompressionType
+    }),
+    ...(input.ContentType !== undefined && { ContentType: input.ContentType }),
+    ...(input.DataSource !== undefined && {
+      DataSource: serializeAws_json1_1DataSource(input.DataSource, context)
+    }),
+    ...(input.InputMode !== undefined && { InputMode: input.InputMode }),
+    ...(input.RecordWrapperType !== undefined && {
+      RecordWrapperType: input.RecordWrapperType
+    }),
+    ...(input.ShuffleConfig !== undefined && {
+      ShuffleConfig: serializeAws_json1_1ShuffleConfig(
+        input.ShuffleConfig,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1ChannelSpecification = (
   input: ChannelSpecification,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.IsRequired !== undefined) {
-    bodyParams["IsRequired"] = input.IsRequired;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.SupportedCompressionTypes !== undefined) {
-    bodyParams[
-      "SupportedCompressionTypes"
-    ] = serializeAws_json1_1CompressionTypes(
-      input.SupportedCompressionTypes,
-      context
-    );
-  }
-  if (input.SupportedContentTypes !== undefined) {
-    bodyParams["SupportedContentTypes"] = serializeAws_json1_1ContentTypes(
-      input.SupportedContentTypes,
-      context
-    );
-  }
-  if (input.SupportedInputModes !== undefined) {
-    bodyParams["SupportedInputModes"] = serializeAws_json1_1InputModes(
-      input.SupportedInputModes,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.IsRequired !== undefined && { IsRequired: input.IsRequired }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.SupportedCompressionTypes !== undefined && {
+      SupportedCompressionTypes: serializeAws_json1_1CompressionTypes(
+        input.SupportedCompressionTypes,
+        context
+      )
+    }),
+    ...(input.SupportedContentTypes !== undefined && {
+      SupportedContentTypes: serializeAws_json1_1ContentTypes(
+        input.SupportedContentTypes,
+        context
+      )
+    }),
+    ...(input.SupportedInputModes !== undefined && {
+      SupportedInputModes: serializeAws_json1_1InputModes(
+        input.SupportedInputModes,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1ChannelSpecifications = (
@@ -11396,14 +11338,10 @@ const serializeAws_json1_1CheckpointConfig = (
   input: CheckpointConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.LocalPath !== undefined) {
-    bodyParams["LocalPath"] = input.LocalPath;
-  }
-  if (input.S3Uri !== undefined) {
-    bodyParams["S3Uri"] = input.S3Uri;
-  }
-  return bodyParams;
+  return {
+    ...(input.LocalPath !== undefined && { LocalPath: input.LocalPath }),
+    ...(input.S3Uri !== undefined && { S3Uri: input.S3Uri })
+  };
 };
 
 const serializeAws_json1_1Cidrs = (
@@ -11417,36 +11355,28 @@ const serializeAws_json1_1CognitoMemberDefinition = (
   input: CognitoMemberDefinition,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ClientId !== undefined) {
-    bodyParams["ClientId"] = input.ClientId;
-  }
-  if (input.UserGroup !== undefined) {
-    bodyParams["UserGroup"] = input.UserGroup;
-  }
-  if (input.UserPool !== undefined) {
-    bodyParams["UserPool"] = input.UserPool;
-  }
-  return bodyParams;
+  return {
+    ...(input.ClientId !== undefined && { ClientId: input.ClientId }),
+    ...(input.UserGroup !== undefined && { UserGroup: input.UserGroup }),
+    ...(input.UserPool !== undefined && { UserPool: input.UserPool })
+  };
 };
 
 const serializeAws_json1_1CollectionConfiguration = (
   input: CollectionConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CollectionName !== undefined) {
-    bodyParams["CollectionName"] = input.CollectionName;
-  }
-  if (input.CollectionParameters !== undefined) {
-    bodyParams[
-      "CollectionParameters"
-    ] = serializeAws_json1_1CollectionParameters(
-      input.CollectionParameters,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.CollectionName !== undefined && {
+      CollectionName: input.CollectionName
+    }),
+    ...(input.CollectionParameters !== undefined && {
+      CollectionParameters: serializeAws_json1_1CollectionParameters(
+        input.CollectionParameters,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1CollectionConfigurations = (
@@ -11486,29 +11416,25 @@ const serializeAws_json1_1ContainerDefinition = (
   input: ContainerDefinition,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ContainerHostname !== undefined) {
-    bodyParams["ContainerHostname"] = input.ContainerHostname;
-  }
-  if (input.Environment !== undefined) {
-    bodyParams["Environment"] = serializeAws_json1_1EnvironmentMap(
-      input.Environment,
-      context
-    );
-  }
-  if (input.Image !== undefined) {
-    bodyParams["Image"] = input.Image;
-  }
-  if (input.Mode !== undefined) {
-    bodyParams["Mode"] = input.Mode;
-  }
-  if (input.ModelDataUrl !== undefined) {
-    bodyParams["ModelDataUrl"] = input.ModelDataUrl;
-  }
-  if (input.ModelPackageName !== undefined) {
-    bodyParams["ModelPackageName"] = input.ModelPackageName;
-  }
-  return bodyParams;
+  return {
+    ...(input.ContainerHostname !== undefined && {
+      ContainerHostname: input.ContainerHostname
+    }),
+    ...(input.Environment !== undefined && {
+      Environment: serializeAws_json1_1EnvironmentMap(
+        input.Environment,
+        context
+      )
+    }),
+    ...(input.Image !== undefined && { Image: input.Image }),
+    ...(input.Mode !== undefined && { Mode: input.Mode }),
+    ...(input.ModelDataUrl !== undefined && {
+      ModelDataUrl: input.ModelDataUrl
+    }),
+    ...(input.ModelPackageName !== undefined && {
+      ModelPackageName: input.ModelPackageName
+    })
+  };
 };
 
 const serializeAws_json1_1ContainerDefinitionList = (
@@ -11545,34 +11471,22 @@ const serializeAws_json1_1ContinuousParameterRange = (
   input: ContinuousParameterRange,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxValue !== undefined) {
-    bodyParams["MaxValue"] = input.MaxValue;
-  }
-  if (input.MinValue !== undefined) {
-    bodyParams["MinValue"] = input.MinValue;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.ScalingType !== undefined) {
-    bodyParams["ScalingType"] = input.ScalingType;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxValue !== undefined && { MaxValue: input.MaxValue }),
+    ...(input.MinValue !== undefined && { MinValue: input.MinValue }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.ScalingType !== undefined && { ScalingType: input.ScalingType })
+  };
 };
 
 const serializeAws_json1_1ContinuousParameterRangeSpecification = (
   input: ContinuousParameterRangeSpecification,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxValue !== undefined) {
-    bodyParams["MaxValue"] = input.MaxValue;
-  }
-  if (input.MinValue !== undefined) {
-    bodyParams["MinValue"] = input.MinValue;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxValue !== undefined && { MaxValue: input.MaxValue }),
+    ...(input.MinValue !== undefined && { MinValue: input.MinValue })
+  };
 };
 
 const serializeAws_json1_1ContinuousParameterRanges = (
@@ -11588,1019 +11502,890 @@ const serializeAws_json1_1CreateAlgorithmInput = (
   input: CreateAlgorithmInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AlgorithmDescription !== undefined) {
-    bodyParams["AlgorithmDescription"] = input.AlgorithmDescription;
-  }
-  if (input.AlgorithmName !== undefined) {
-    bodyParams["AlgorithmName"] = input.AlgorithmName;
-  }
-  if (input.CertifyForMarketplace !== undefined) {
-    bodyParams["CertifyForMarketplace"] = input.CertifyForMarketplace;
-  }
-  if (input.InferenceSpecification !== undefined) {
-    bodyParams[
-      "InferenceSpecification"
-    ] = serializeAws_json1_1InferenceSpecification(
-      input.InferenceSpecification,
-      context
-    );
-  }
-  if (input.TrainingSpecification !== undefined) {
-    bodyParams[
-      "TrainingSpecification"
-    ] = serializeAws_json1_1TrainingSpecification(
-      input.TrainingSpecification,
-      context
-    );
-  }
-  if (input.ValidationSpecification !== undefined) {
-    bodyParams[
-      "ValidationSpecification"
-    ] = serializeAws_json1_1AlgorithmValidationSpecification(
-      input.ValidationSpecification,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.AlgorithmDescription !== undefined && {
+      AlgorithmDescription: input.AlgorithmDescription
+    }),
+    ...(input.AlgorithmName !== undefined && {
+      AlgorithmName: input.AlgorithmName
+    }),
+    ...(input.CertifyForMarketplace !== undefined && {
+      CertifyForMarketplace: input.CertifyForMarketplace
+    }),
+    ...(input.InferenceSpecification !== undefined && {
+      InferenceSpecification: serializeAws_json1_1InferenceSpecification(
+        input.InferenceSpecification,
+        context
+      )
+    }),
+    ...(input.TrainingSpecification !== undefined && {
+      TrainingSpecification: serializeAws_json1_1TrainingSpecification(
+        input.TrainingSpecification,
+        context
+      )
+    }),
+    ...(input.ValidationSpecification !== undefined && {
+      ValidationSpecification: serializeAws_json1_1AlgorithmValidationSpecification(
+        input.ValidationSpecification,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1CreateAppRequest = (
   input: CreateAppRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AppName !== undefined) {
-    bodyParams["AppName"] = input.AppName;
-  }
-  if (input.AppType !== undefined) {
-    bodyParams["AppType"] = input.AppType;
-  }
-  if (input.DomainId !== undefined) {
-    bodyParams["DomainId"] = input.DomainId;
-  }
-  if (input.ResourceSpec !== undefined) {
-    bodyParams["ResourceSpec"] = serializeAws_json1_1ResourceSpec(
-      input.ResourceSpec,
-      context
-    );
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagList(input.Tags, context);
-  }
-  if (input.UserProfileName !== undefined) {
-    bodyParams["UserProfileName"] = input.UserProfileName;
-  }
-  return bodyParams;
+  return {
+    ...(input.AppName !== undefined && { AppName: input.AppName }),
+    ...(input.AppType !== undefined && { AppType: input.AppType }),
+    ...(input.DomainId !== undefined && { DomainId: input.DomainId }),
+    ...(input.ResourceSpec !== undefined && {
+      ResourceSpec: serializeAws_json1_1ResourceSpec(
+        input.ResourceSpec,
+        context
+      )
+    }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagList(input.Tags, context)
+    }),
+    ...(input.UserProfileName !== undefined && {
+      UserProfileName: input.UserProfileName
+    })
+  };
 };
 
 const serializeAws_json1_1CreateAutoMLJobRequest = (
   input: CreateAutoMLJobRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AutoMLJobConfig !== undefined) {
-    bodyParams["AutoMLJobConfig"] = serializeAws_json1_1AutoMLJobConfig(
-      input.AutoMLJobConfig,
-      context
-    );
-  }
-  if (input.AutoMLJobName !== undefined) {
-    bodyParams["AutoMLJobName"] = input.AutoMLJobName;
-  }
-  if (input.AutoMLJobObjective !== undefined) {
-    bodyParams["AutoMLJobObjective"] = serializeAws_json1_1AutoMLJobObjective(
-      input.AutoMLJobObjective,
-      context
-    );
-  }
-  if (input.GenerateCandidateDefinitionsOnly !== undefined) {
-    bodyParams["GenerateCandidateDefinitionsOnly"] =
-      input.GenerateCandidateDefinitionsOnly;
-  }
-  if (input.InputDataConfig !== undefined) {
-    bodyParams["InputDataConfig"] = serializeAws_json1_1AutoMLInputDataConfig(
-      input.InputDataConfig,
-      context
-    );
-  }
-  if (input.OutputDataConfig !== undefined) {
-    bodyParams["OutputDataConfig"] = serializeAws_json1_1AutoMLOutputDataConfig(
-      input.OutputDataConfig,
-      context
-    );
-  }
-  if (input.ProblemType !== undefined) {
-    bodyParams["ProblemType"] = input.ProblemType;
-  }
-  if (input.RoleArn !== undefined) {
-    bodyParams["RoleArn"] = input.RoleArn;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagList(input.Tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.AutoMLJobConfig !== undefined && {
+      AutoMLJobConfig: serializeAws_json1_1AutoMLJobConfig(
+        input.AutoMLJobConfig,
+        context
+      )
+    }),
+    ...(input.AutoMLJobName !== undefined && {
+      AutoMLJobName: input.AutoMLJobName
+    }),
+    ...(input.AutoMLJobObjective !== undefined && {
+      AutoMLJobObjective: serializeAws_json1_1AutoMLJobObjective(
+        input.AutoMLJobObjective,
+        context
+      )
+    }),
+    ...(input.GenerateCandidateDefinitionsOnly !== undefined && {
+      GenerateCandidateDefinitionsOnly: input.GenerateCandidateDefinitionsOnly
+    }),
+    ...(input.InputDataConfig !== undefined && {
+      InputDataConfig: serializeAws_json1_1AutoMLInputDataConfig(
+        input.InputDataConfig,
+        context
+      )
+    }),
+    ...(input.OutputDataConfig !== undefined && {
+      OutputDataConfig: serializeAws_json1_1AutoMLOutputDataConfig(
+        input.OutputDataConfig,
+        context
+      )
+    }),
+    ...(input.ProblemType !== undefined && { ProblemType: input.ProblemType }),
+    ...(input.RoleArn !== undefined && { RoleArn: input.RoleArn }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagList(input.Tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1CreateCodeRepositoryInput = (
   input: CreateCodeRepositoryInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CodeRepositoryName !== undefined) {
-    bodyParams["CodeRepositoryName"] = input.CodeRepositoryName;
-  }
-  if (input.GitConfig !== undefined) {
-    bodyParams["GitConfig"] = serializeAws_json1_1GitConfig(
-      input.GitConfig,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.CodeRepositoryName !== undefined && {
+      CodeRepositoryName: input.CodeRepositoryName
+    }),
+    ...(input.GitConfig !== undefined && {
+      GitConfig: serializeAws_json1_1GitConfig(input.GitConfig, context)
+    })
+  };
 };
 
 const serializeAws_json1_1CreateCompilationJobRequest = (
   input: CreateCompilationJobRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CompilationJobName !== undefined) {
-    bodyParams["CompilationJobName"] = input.CompilationJobName;
-  }
-  if (input.InputConfig !== undefined) {
-    bodyParams["InputConfig"] = serializeAws_json1_1InputConfig(
-      input.InputConfig,
-      context
-    );
-  }
-  if (input.OutputConfig !== undefined) {
-    bodyParams["OutputConfig"] = serializeAws_json1_1OutputConfig(
-      input.OutputConfig,
-      context
-    );
-  }
-  if (input.RoleArn !== undefined) {
-    bodyParams["RoleArn"] = input.RoleArn;
-  }
-  if (input.StoppingCondition !== undefined) {
-    bodyParams["StoppingCondition"] = serializeAws_json1_1StoppingCondition(
-      input.StoppingCondition,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.CompilationJobName !== undefined && {
+      CompilationJobName: input.CompilationJobName
+    }),
+    ...(input.InputConfig !== undefined && {
+      InputConfig: serializeAws_json1_1InputConfig(input.InputConfig, context)
+    }),
+    ...(input.OutputConfig !== undefined && {
+      OutputConfig: serializeAws_json1_1OutputConfig(
+        input.OutputConfig,
+        context
+      )
+    }),
+    ...(input.RoleArn !== undefined && { RoleArn: input.RoleArn }),
+    ...(input.StoppingCondition !== undefined && {
+      StoppingCondition: serializeAws_json1_1StoppingCondition(
+        input.StoppingCondition,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1CreateDomainRequest = (
   input: CreateDomainRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AuthMode !== undefined) {
-    bodyParams["AuthMode"] = input.AuthMode;
-  }
-  if (input.DefaultUserSettings !== undefined) {
-    bodyParams["DefaultUserSettings"] = serializeAws_json1_1UserSettings(
-      input.DefaultUserSettings,
-      context
-    );
-  }
-  if (input.DomainName !== undefined) {
-    bodyParams["DomainName"] = input.DomainName;
-  }
-  if (input.HomeEfsFileSystemKmsKeyId !== undefined) {
-    bodyParams["HomeEfsFileSystemKmsKeyId"] = input.HomeEfsFileSystemKmsKeyId;
-  }
-  if (input.SubnetIds !== undefined) {
-    bodyParams["SubnetIds"] = serializeAws_json1_1Subnets(
-      input.SubnetIds,
-      context
-    );
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagList(input.Tags, context);
-  }
-  if (input.VpcId !== undefined) {
-    bodyParams["VpcId"] = input.VpcId;
-  }
-  return bodyParams;
+  return {
+    ...(input.AuthMode !== undefined && { AuthMode: input.AuthMode }),
+    ...(input.DefaultUserSettings !== undefined && {
+      DefaultUserSettings: serializeAws_json1_1UserSettings(
+        input.DefaultUserSettings,
+        context
+      )
+    }),
+    ...(input.DomainName !== undefined && { DomainName: input.DomainName }),
+    ...(input.HomeEfsFileSystemKmsKeyId !== undefined && {
+      HomeEfsFileSystemKmsKeyId: input.HomeEfsFileSystemKmsKeyId
+    }),
+    ...(input.SubnetIds !== undefined && {
+      SubnetIds: serializeAws_json1_1Subnets(input.SubnetIds, context)
+    }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagList(input.Tags, context)
+    }),
+    ...(input.VpcId !== undefined && { VpcId: input.VpcId })
+  };
 };
 
 const serializeAws_json1_1CreateEndpointConfigInput = (
   input: CreateEndpointConfigInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DataCaptureConfig !== undefined) {
-    bodyParams["DataCaptureConfig"] = serializeAws_json1_1DataCaptureConfig(
-      input.DataCaptureConfig,
-      context
-    );
-  }
-  if (input.EndpointConfigName !== undefined) {
-    bodyParams["EndpointConfigName"] = input.EndpointConfigName;
-  }
-  if (input.KmsKeyId !== undefined) {
-    bodyParams["KmsKeyId"] = input.KmsKeyId;
-  }
-  if (input.ProductionVariants !== undefined) {
-    bodyParams[
-      "ProductionVariants"
-    ] = serializeAws_json1_1ProductionVariantList(
-      input.ProductionVariants,
-      context
-    );
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagList(input.Tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.DataCaptureConfig !== undefined && {
+      DataCaptureConfig: serializeAws_json1_1DataCaptureConfig(
+        input.DataCaptureConfig,
+        context
+      )
+    }),
+    ...(input.EndpointConfigName !== undefined && {
+      EndpointConfigName: input.EndpointConfigName
+    }),
+    ...(input.KmsKeyId !== undefined && { KmsKeyId: input.KmsKeyId }),
+    ...(input.ProductionVariants !== undefined && {
+      ProductionVariants: serializeAws_json1_1ProductionVariantList(
+        input.ProductionVariants,
+        context
+      )
+    }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagList(input.Tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1CreateEndpointInput = (
   input: CreateEndpointInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EndpointConfigName !== undefined) {
-    bodyParams["EndpointConfigName"] = input.EndpointConfigName;
-  }
-  if (input.EndpointName !== undefined) {
-    bodyParams["EndpointName"] = input.EndpointName;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagList(input.Tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.EndpointConfigName !== undefined && {
+      EndpointConfigName: input.EndpointConfigName
+    }),
+    ...(input.EndpointName !== undefined && {
+      EndpointName: input.EndpointName
+    }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagList(input.Tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1CreateExperimentRequest = (
   input: CreateExperimentRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.DisplayName !== undefined) {
-    bodyParams["DisplayName"] = input.DisplayName;
-  }
-  if (input.ExperimentName !== undefined) {
-    bodyParams["ExperimentName"] = input.ExperimentName;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagList(input.Tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.DisplayName !== undefined && { DisplayName: input.DisplayName }),
+    ...(input.ExperimentName !== undefined && {
+      ExperimentName: input.ExperimentName
+    }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagList(input.Tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1CreateFlowDefinitionRequest = (
   input: CreateFlowDefinitionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.FlowDefinitionName !== undefined) {
-    bodyParams["FlowDefinitionName"] = input.FlowDefinitionName;
-  }
-  if (input.HumanLoopActivationConfig !== undefined) {
-    bodyParams[
-      "HumanLoopActivationConfig"
-    ] = serializeAws_json1_1HumanLoopActivationConfig(
-      input.HumanLoopActivationConfig,
-      context
-    );
-  }
-  if (input.HumanLoopConfig !== undefined) {
-    bodyParams["HumanLoopConfig"] = serializeAws_json1_1HumanLoopConfig(
-      input.HumanLoopConfig,
-      context
-    );
-  }
-  if (input.OutputConfig !== undefined) {
-    bodyParams["OutputConfig"] = serializeAws_json1_1FlowDefinitionOutputConfig(
-      input.OutputConfig,
-      context
-    );
-  }
-  if (input.RoleArn !== undefined) {
-    bodyParams["RoleArn"] = input.RoleArn;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagList(input.Tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.FlowDefinitionName !== undefined && {
+      FlowDefinitionName: input.FlowDefinitionName
+    }),
+    ...(input.HumanLoopActivationConfig !== undefined && {
+      HumanLoopActivationConfig: serializeAws_json1_1HumanLoopActivationConfig(
+        input.HumanLoopActivationConfig,
+        context
+      )
+    }),
+    ...(input.HumanLoopConfig !== undefined && {
+      HumanLoopConfig: serializeAws_json1_1HumanLoopConfig(
+        input.HumanLoopConfig,
+        context
+      )
+    }),
+    ...(input.OutputConfig !== undefined && {
+      OutputConfig: serializeAws_json1_1FlowDefinitionOutputConfig(
+        input.OutputConfig,
+        context
+      )
+    }),
+    ...(input.RoleArn !== undefined && { RoleArn: input.RoleArn }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagList(input.Tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1CreateHumanTaskUiRequest = (
   input: CreateHumanTaskUiRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.HumanTaskUiName !== undefined) {
-    bodyParams["HumanTaskUiName"] = input.HumanTaskUiName;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagList(input.Tags, context);
-  }
-  if (input.UiTemplate !== undefined) {
-    bodyParams["UiTemplate"] = serializeAws_json1_1UiTemplate(
-      input.UiTemplate,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.HumanTaskUiName !== undefined && {
+      HumanTaskUiName: input.HumanTaskUiName
+    }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagList(input.Tags, context)
+    }),
+    ...(input.UiTemplate !== undefined && {
+      UiTemplate: serializeAws_json1_1UiTemplate(input.UiTemplate, context)
+    })
+  };
 };
 
 const serializeAws_json1_1CreateHyperParameterTuningJobRequest = (
   input: CreateHyperParameterTuningJobRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.HyperParameterTuningJobConfig !== undefined) {
-    bodyParams[
-      "HyperParameterTuningJobConfig"
-    ] = serializeAws_json1_1HyperParameterTuningJobConfig(
-      input.HyperParameterTuningJobConfig,
-      context
-    );
-  }
-  if (input.HyperParameterTuningJobName !== undefined) {
-    bodyParams["HyperParameterTuningJobName"] =
-      input.HyperParameterTuningJobName;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagList(input.Tags, context);
-  }
-  if (input.TrainingJobDefinition !== undefined) {
-    bodyParams[
-      "TrainingJobDefinition"
-    ] = serializeAws_json1_1HyperParameterTrainingJobDefinition(
-      input.TrainingJobDefinition,
-      context
-    );
-  }
-  if (input.TrainingJobDefinitions !== undefined) {
-    bodyParams[
-      "TrainingJobDefinitions"
-    ] = serializeAws_json1_1HyperParameterTrainingJobDefinitions(
-      input.TrainingJobDefinitions,
-      context
-    );
-  }
-  if (input.WarmStartConfig !== undefined) {
-    bodyParams[
-      "WarmStartConfig"
-    ] = serializeAws_json1_1HyperParameterTuningJobWarmStartConfig(
-      input.WarmStartConfig,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.HyperParameterTuningJobConfig !== undefined && {
+      HyperParameterTuningJobConfig: serializeAws_json1_1HyperParameterTuningJobConfig(
+        input.HyperParameterTuningJobConfig,
+        context
+      )
+    }),
+    ...(input.HyperParameterTuningJobName !== undefined && {
+      HyperParameterTuningJobName: input.HyperParameterTuningJobName
+    }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagList(input.Tags, context)
+    }),
+    ...(input.TrainingJobDefinition !== undefined && {
+      TrainingJobDefinition: serializeAws_json1_1HyperParameterTrainingJobDefinition(
+        input.TrainingJobDefinition,
+        context
+      )
+    }),
+    ...(input.TrainingJobDefinitions !== undefined && {
+      TrainingJobDefinitions: serializeAws_json1_1HyperParameterTrainingJobDefinitions(
+        input.TrainingJobDefinitions,
+        context
+      )
+    }),
+    ...(input.WarmStartConfig !== undefined && {
+      WarmStartConfig: serializeAws_json1_1HyperParameterTuningJobWarmStartConfig(
+        input.WarmStartConfig,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1CreateLabelingJobRequest = (
   input: CreateLabelingJobRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.HumanTaskConfig !== undefined) {
-    bodyParams["HumanTaskConfig"] = serializeAws_json1_1HumanTaskConfig(
-      input.HumanTaskConfig,
-      context
-    );
-  }
-  if (input.InputConfig !== undefined) {
-    bodyParams["InputConfig"] = serializeAws_json1_1LabelingJobInputConfig(
-      input.InputConfig,
-      context
-    );
-  }
-  if (input.LabelAttributeName !== undefined) {
-    bodyParams["LabelAttributeName"] = input.LabelAttributeName;
-  }
-  if (input.LabelCategoryConfigS3Uri !== undefined) {
-    bodyParams["LabelCategoryConfigS3Uri"] = input.LabelCategoryConfigS3Uri;
-  }
-  if (input.LabelingJobAlgorithmsConfig !== undefined) {
-    bodyParams[
-      "LabelingJobAlgorithmsConfig"
-    ] = serializeAws_json1_1LabelingJobAlgorithmsConfig(
-      input.LabelingJobAlgorithmsConfig,
-      context
-    );
-  }
-  if (input.LabelingJobName !== undefined) {
-    bodyParams["LabelingJobName"] = input.LabelingJobName;
-  }
-  if (input.OutputConfig !== undefined) {
-    bodyParams["OutputConfig"] = serializeAws_json1_1LabelingJobOutputConfig(
-      input.OutputConfig,
-      context
-    );
-  }
-  if (input.RoleArn !== undefined) {
-    bodyParams["RoleArn"] = input.RoleArn;
-  }
-  if (input.StoppingConditions !== undefined) {
-    bodyParams[
-      "StoppingConditions"
-    ] = serializeAws_json1_1LabelingJobStoppingConditions(
-      input.StoppingConditions,
-      context
-    );
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagList(input.Tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.HumanTaskConfig !== undefined && {
+      HumanTaskConfig: serializeAws_json1_1HumanTaskConfig(
+        input.HumanTaskConfig,
+        context
+      )
+    }),
+    ...(input.InputConfig !== undefined && {
+      InputConfig: serializeAws_json1_1LabelingJobInputConfig(
+        input.InputConfig,
+        context
+      )
+    }),
+    ...(input.LabelAttributeName !== undefined && {
+      LabelAttributeName: input.LabelAttributeName
+    }),
+    ...(input.LabelCategoryConfigS3Uri !== undefined && {
+      LabelCategoryConfigS3Uri: input.LabelCategoryConfigS3Uri
+    }),
+    ...(input.LabelingJobAlgorithmsConfig !== undefined && {
+      LabelingJobAlgorithmsConfig: serializeAws_json1_1LabelingJobAlgorithmsConfig(
+        input.LabelingJobAlgorithmsConfig,
+        context
+      )
+    }),
+    ...(input.LabelingJobName !== undefined && {
+      LabelingJobName: input.LabelingJobName
+    }),
+    ...(input.OutputConfig !== undefined && {
+      OutputConfig: serializeAws_json1_1LabelingJobOutputConfig(
+        input.OutputConfig,
+        context
+      )
+    }),
+    ...(input.RoleArn !== undefined && { RoleArn: input.RoleArn }),
+    ...(input.StoppingConditions !== undefined && {
+      StoppingConditions: serializeAws_json1_1LabelingJobStoppingConditions(
+        input.StoppingConditions,
+        context
+      )
+    }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagList(input.Tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1CreateModelInput = (
   input: CreateModelInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Containers !== undefined) {
-    bodyParams["Containers"] = serializeAws_json1_1ContainerDefinitionList(
-      input.Containers,
-      context
-    );
-  }
-  if (input.EnableNetworkIsolation !== undefined) {
-    bodyParams["EnableNetworkIsolation"] = input.EnableNetworkIsolation;
-  }
-  if (input.ExecutionRoleArn !== undefined) {
-    bodyParams["ExecutionRoleArn"] = input.ExecutionRoleArn;
-  }
-  if (input.ModelName !== undefined) {
-    bodyParams["ModelName"] = input.ModelName;
-  }
-  if (input.PrimaryContainer !== undefined) {
-    bodyParams["PrimaryContainer"] = serializeAws_json1_1ContainerDefinition(
-      input.PrimaryContainer,
-      context
-    );
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagList(input.Tags, context);
-  }
-  if (input.VpcConfig !== undefined) {
-    bodyParams["VpcConfig"] = serializeAws_json1_1VpcConfig(
-      input.VpcConfig,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Containers !== undefined && {
+      Containers: serializeAws_json1_1ContainerDefinitionList(
+        input.Containers,
+        context
+      )
+    }),
+    ...(input.EnableNetworkIsolation !== undefined && {
+      EnableNetworkIsolation: input.EnableNetworkIsolation
+    }),
+    ...(input.ExecutionRoleArn !== undefined && {
+      ExecutionRoleArn: input.ExecutionRoleArn
+    }),
+    ...(input.ModelName !== undefined && { ModelName: input.ModelName }),
+    ...(input.PrimaryContainer !== undefined && {
+      PrimaryContainer: serializeAws_json1_1ContainerDefinition(
+        input.PrimaryContainer,
+        context
+      )
+    }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagList(input.Tags, context)
+    }),
+    ...(input.VpcConfig !== undefined && {
+      VpcConfig: serializeAws_json1_1VpcConfig(input.VpcConfig, context)
+    })
+  };
 };
 
 const serializeAws_json1_1CreateModelPackageInput = (
   input: CreateModelPackageInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CertifyForMarketplace !== undefined) {
-    bodyParams["CertifyForMarketplace"] = input.CertifyForMarketplace;
-  }
-  if (input.InferenceSpecification !== undefined) {
-    bodyParams[
-      "InferenceSpecification"
-    ] = serializeAws_json1_1InferenceSpecification(
-      input.InferenceSpecification,
-      context
-    );
-  }
-  if (input.ModelPackageDescription !== undefined) {
-    bodyParams["ModelPackageDescription"] = input.ModelPackageDescription;
-  }
-  if (input.ModelPackageName !== undefined) {
-    bodyParams["ModelPackageName"] = input.ModelPackageName;
-  }
-  if (input.SourceAlgorithmSpecification !== undefined) {
-    bodyParams[
-      "SourceAlgorithmSpecification"
-    ] = serializeAws_json1_1SourceAlgorithmSpecification(
-      input.SourceAlgorithmSpecification,
-      context
-    );
-  }
-  if (input.ValidationSpecification !== undefined) {
-    bodyParams[
-      "ValidationSpecification"
-    ] = serializeAws_json1_1ModelPackageValidationSpecification(
-      input.ValidationSpecification,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.CertifyForMarketplace !== undefined && {
+      CertifyForMarketplace: input.CertifyForMarketplace
+    }),
+    ...(input.InferenceSpecification !== undefined && {
+      InferenceSpecification: serializeAws_json1_1InferenceSpecification(
+        input.InferenceSpecification,
+        context
+      )
+    }),
+    ...(input.ModelPackageDescription !== undefined && {
+      ModelPackageDescription: input.ModelPackageDescription
+    }),
+    ...(input.ModelPackageName !== undefined && {
+      ModelPackageName: input.ModelPackageName
+    }),
+    ...(input.SourceAlgorithmSpecification !== undefined && {
+      SourceAlgorithmSpecification: serializeAws_json1_1SourceAlgorithmSpecification(
+        input.SourceAlgorithmSpecification,
+        context
+      )
+    }),
+    ...(input.ValidationSpecification !== undefined && {
+      ValidationSpecification: serializeAws_json1_1ModelPackageValidationSpecification(
+        input.ValidationSpecification,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1CreateMonitoringScheduleRequest = (
   input: CreateMonitoringScheduleRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MonitoringScheduleConfig !== undefined) {
-    bodyParams[
-      "MonitoringScheduleConfig"
-    ] = serializeAws_json1_1MonitoringScheduleConfig(
-      input.MonitoringScheduleConfig,
-      context
-    );
-  }
-  if (input.MonitoringScheduleName !== undefined) {
-    bodyParams["MonitoringScheduleName"] = input.MonitoringScheduleName;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagList(input.Tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.MonitoringScheduleConfig !== undefined && {
+      MonitoringScheduleConfig: serializeAws_json1_1MonitoringScheduleConfig(
+        input.MonitoringScheduleConfig,
+        context
+      )
+    }),
+    ...(input.MonitoringScheduleName !== undefined && {
+      MonitoringScheduleName: input.MonitoringScheduleName
+    }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagList(input.Tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1CreateNotebookInstanceInput = (
   input: CreateNotebookInstanceInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AcceleratorTypes !== undefined) {
-    bodyParams[
-      "AcceleratorTypes"
-    ] = serializeAws_json1_1NotebookInstanceAcceleratorTypes(
-      input.AcceleratorTypes,
-      context
-    );
-  }
-  if (input.AdditionalCodeRepositories !== undefined) {
-    bodyParams[
-      "AdditionalCodeRepositories"
-    ] = serializeAws_json1_1AdditionalCodeRepositoryNamesOrUrls(
-      input.AdditionalCodeRepositories,
-      context
-    );
-  }
-  if (input.DefaultCodeRepository !== undefined) {
-    bodyParams["DefaultCodeRepository"] = input.DefaultCodeRepository;
-  }
-  if (input.DirectInternetAccess !== undefined) {
-    bodyParams["DirectInternetAccess"] = input.DirectInternetAccess;
-  }
-  if (input.InstanceType !== undefined) {
-    bodyParams["InstanceType"] = input.InstanceType;
-  }
-  if (input.KmsKeyId !== undefined) {
-    bodyParams["KmsKeyId"] = input.KmsKeyId;
-  }
-  if (input.LifecycleConfigName !== undefined) {
-    bodyParams["LifecycleConfigName"] = input.LifecycleConfigName;
-  }
-  if (input.NotebookInstanceName !== undefined) {
-    bodyParams["NotebookInstanceName"] = input.NotebookInstanceName;
-  }
-  if (input.RoleArn !== undefined) {
-    bodyParams["RoleArn"] = input.RoleArn;
-  }
-  if (input.RootAccess !== undefined) {
-    bodyParams["RootAccess"] = input.RootAccess;
-  }
-  if (input.SecurityGroupIds !== undefined) {
-    bodyParams["SecurityGroupIds"] = serializeAws_json1_1SecurityGroupIds(
-      input.SecurityGroupIds,
-      context
-    );
-  }
-  if (input.SubnetId !== undefined) {
-    bodyParams["SubnetId"] = input.SubnetId;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagList(input.Tags, context);
-  }
-  if (input.VolumeSizeInGB !== undefined) {
-    bodyParams["VolumeSizeInGB"] = input.VolumeSizeInGB;
-  }
-  return bodyParams;
+  return {
+    ...(input.AcceleratorTypes !== undefined && {
+      AcceleratorTypes: serializeAws_json1_1NotebookInstanceAcceleratorTypes(
+        input.AcceleratorTypes,
+        context
+      )
+    }),
+    ...(input.AdditionalCodeRepositories !== undefined && {
+      AdditionalCodeRepositories: serializeAws_json1_1AdditionalCodeRepositoryNamesOrUrls(
+        input.AdditionalCodeRepositories,
+        context
+      )
+    }),
+    ...(input.DefaultCodeRepository !== undefined && {
+      DefaultCodeRepository: input.DefaultCodeRepository
+    }),
+    ...(input.DirectInternetAccess !== undefined && {
+      DirectInternetAccess: input.DirectInternetAccess
+    }),
+    ...(input.InstanceType !== undefined && {
+      InstanceType: input.InstanceType
+    }),
+    ...(input.KmsKeyId !== undefined && { KmsKeyId: input.KmsKeyId }),
+    ...(input.LifecycleConfigName !== undefined && {
+      LifecycleConfigName: input.LifecycleConfigName
+    }),
+    ...(input.NotebookInstanceName !== undefined && {
+      NotebookInstanceName: input.NotebookInstanceName
+    }),
+    ...(input.RoleArn !== undefined && { RoleArn: input.RoleArn }),
+    ...(input.RootAccess !== undefined && { RootAccess: input.RootAccess }),
+    ...(input.SecurityGroupIds !== undefined && {
+      SecurityGroupIds: serializeAws_json1_1SecurityGroupIds(
+        input.SecurityGroupIds,
+        context
+      )
+    }),
+    ...(input.SubnetId !== undefined && { SubnetId: input.SubnetId }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagList(input.Tags, context)
+    }),
+    ...(input.VolumeSizeInGB !== undefined && {
+      VolumeSizeInGB: input.VolumeSizeInGB
+    })
+  };
 };
 
 const serializeAws_json1_1CreateNotebookInstanceLifecycleConfigInput = (
   input: CreateNotebookInstanceLifecycleConfigInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.NotebookInstanceLifecycleConfigName !== undefined) {
-    bodyParams["NotebookInstanceLifecycleConfigName"] =
-      input.NotebookInstanceLifecycleConfigName;
-  }
-  if (input.OnCreate !== undefined) {
-    bodyParams[
-      "OnCreate"
-    ] = serializeAws_json1_1NotebookInstanceLifecycleConfigList(
-      input.OnCreate,
-      context
-    );
-  }
-  if (input.OnStart !== undefined) {
-    bodyParams[
-      "OnStart"
-    ] = serializeAws_json1_1NotebookInstanceLifecycleConfigList(
-      input.OnStart,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.NotebookInstanceLifecycleConfigName !== undefined && {
+      NotebookInstanceLifecycleConfigName:
+        input.NotebookInstanceLifecycleConfigName
+    }),
+    ...(input.OnCreate !== undefined && {
+      OnCreate: serializeAws_json1_1NotebookInstanceLifecycleConfigList(
+        input.OnCreate,
+        context
+      )
+    }),
+    ...(input.OnStart !== undefined && {
+      OnStart: serializeAws_json1_1NotebookInstanceLifecycleConfigList(
+        input.OnStart,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1CreatePresignedDomainUrlRequest = (
   input: CreatePresignedDomainUrlRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DomainId !== undefined) {
-    bodyParams["DomainId"] = input.DomainId;
-  }
-  if (input.SessionExpirationDurationInSeconds !== undefined) {
-    bodyParams["SessionExpirationDurationInSeconds"] =
-      input.SessionExpirationDurationInSeconds;
-  }
-  if (input.UserProfileName !== undefined) {
-    bodyParams["UserProfileName"] = input.UserProfileName;
-  }
-  return bodyParams;
+  return {
+    ...(input.DomainId !== undefined && { DomainId: input.DomainId }),
+    ...(input.SessionExpirationDurationInSeconds !== undefined && {
+      SessionExpirationDurationInSeconds:
+        input.SessionExpirationDurationInSeconds
+    }),
+    ...(input.UserProfileName !== undefined && {
+      UserProfileName: input.UserProfileName
+    })
+  };
 };
 
 const serializeAws_json1_1CreatePresignedNotebookInstanceUrlInput = (
   input: CreatePresignedNotebookInstanceUrlInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.NotebookInstanceName !== undefined) {
-    bodyParams["NotebookInstanceName"] = input.NotebookInstanceName;
-  }
-  if (input.SessionExpirationDurationInSeconds !== undefined) {
-    bodyParams["SessionExpirationDurationInSeconds"] =
-      input.SessionExpirationDurationInSeconds;
-  }
-  return bodyParams;
+  return {
+    ...(input.NotebookInstanceName !== undefined && {
+      NotebookInstanceName: input.NotebookInstanceName
+    }),
+    ...(input.SessionExpirationDurationInSeconds !== undefined && {
+      SessionExpirationDurationInSeconds:
+        input.SessionExpirationDurationInSeconds
+    })
+  };
 };
 
 const serializeAws_json1_1CreateProcessingJobRequest = (
   input: CreateProcessingJobRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AppSpecification !== undefined) {
-    bodyParams["AppSpecification"] = serializeAws_json1_1AppSpecification(
-      input.AppSpecification,
-      context
-    );
-  }
-  if (input.Environment !== undefined) {
-    bodyParams["Environment"] = serializeAws_json1_1ProcessingEnvironmentMap(
-      input.Environment,
-      context
-    );
-  }
-  if (input.ExperimentConfig !== undefined) {
-    bodyParams["ExperimentConfig"] = serializeAws_json1_1ExperimentConfig(
-      input.ExperimentConfig,
-      context
-    );
-  }
-  if (input.NetworkConfig !== undefined) {
-    bodyParams["NetworkConfig"] = serializeAws_json1_1NetworkConfig(
-      input.NetworkConfig,
-      context
-    );
-  }
-  if (input.ProcessingInputs !== undefined) {
-    bodyParams["ProcessingInputs"] = serializeAws_json1_1ProcessingInputs(
-      input.ProcessingInputs,
-      context
-    );
-  }
-  if (input.ProcessingJobName !== undefined) {
-    bodyParams["ProcessingJobName"] = input.ProcessingJobName;
-  }
-  if (input.ProcessingOutputConfig !== undefined) {
-    bodyParams[
-      "ProcessingOutputConfig"
-    ] = serializeAws_json1_1ProcessingOutputConfig(
-      input.ProcessingOutputConfig,
-      context
-    );
-  }
-  if (input.ProcessingResources !== undefined) {
-    bodyParams["ProcessingResources"] = serializeAws_json1_1ProcessingResources(
-      input.ProcessingResources,
-      context
-    );
-  }
-  if (input.RoleArn !== undefined) {
-    bodyParams["RoleArn"] = input.RoleArn;
-  }
-  if (input.StoppingCondition !== undefined) {
-    bodyParams[
-      "StoppingCondition"
-    ] = serializeAws_json1_1ProcessingStoppingCondition(
-      input.StoppingCondition,
-      context
-    );
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagList(input.Tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.AppSpecification !== undefined && {
+      AppSpecification: serializeAws_json1_1AppSpecification(
+        input.AppSpecification,
+        context
+      )
+    }),
+    ...(input.Environment !== undefined && {
+      Environment: serializeAws_json1_1ProcessingEnvironmentMap(
+        input.Environment,
+        context
+      )
+    }),
+    ...(input.ExperimentConfig !== undefined && {
+      ExperimentConfig: serializeAws_json1_1ExperimentConfig(
+        input.ExperimentConfig,
+        context
+      )
+    }),
+    ...(input.NetworkConfig !== undefined && {
+      NetworkConfig: serializeAws_json1_1NetworkConfig(
+        input.NetworkConfig,
+        context
+      )
+    }),
+    ...(input.ProcessingInputs !== undefined && {
+      ProcessingInputs: serializeAws_json1_1ProcessingInputs(
+        input.ProcessingInputs,
+        context
+      )
+    }),
+    ...(input.ProcessingJobName !== undefined && {
+      ProcessingJobName: input.ProcessingJobName
+    }),
+    ...(input.ProcessingOutputConfig !== undefined && {
+      ProcessingOutputConfig: serializeAws_json1_1ProcessingOutputConfig(
+        input.ProcessingOutputConfig,
+        context
+      )
+    }),
+    ...(input.ProcessingResources !== undefined && {
+      ProcessingResources: serializeAws_json1_1ProcessingResources(
+        input.ProcessingResources,
+        context
+      )
+    }),
+    ...(input.RoleArn !== undefined && { RoleArn: input.RoleArn }),
+    ...(input.StoppingCondition !== undefined && {
+      StoppingCondition: serializeAws_json1_1ProcessingStoppingCondition(
+        input.StoppingCondition,
+        context
+      )
+    }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagList(input.Tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1CreateTrainingJobRequest = (
   input: CreateTrainingJobRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AlgorithmSpecification !== undefined) {
-    bodyParams[
-      "AlgorithmSpecification"
-    ] = serializeAws_json1_1AlgorithmSpecification(
-      input.AlgorithmSpecification,
-      context
-    );
-  }
-  if (input.CheckpointConfig !== undefined) {
-    bodyParams["CheckpointConfig"] = serializeAws_json1_1CheckpointConfig(
-      input.CheckpointConfig,
-      context
-    );
-  }
-  if (input.DebugHookConfig !== undefined) {
-    bodyParams["DebugHookConfig"] = serializeAws_json1_1DebugHookConfig(
-      input.DebugHookConfig,
-      context
-    );
-  }
-  if (input.DebugRuleConfigurations !== undefined) {
-    bodyParams[
-      "DebugRuleConfigurations"
-    ] = serializeAws_json1_1DebugRuleConfigurations(
-      input.DebugRuleConfigurations,
-      context
-    );
-  }
-  if (input.EnableInterContainerTrafficEncryption !== undefined) {
-    bodyParams["EnableInterContainerTrafficEncryption"] =
-      input.EnableInterContainerTrafficEncryption;
-  }
-  if (input.EnableManagedSpotTraining !== undefined) {
-    bodyParams["EnableManagedSpotTraining"] = input.EnableManagedSpotTraining;
-  }
-  if (input.EnableNetworkIsolation !== undefined) {
-    bodyParams["EnableNetworkIsolation"] = input.EnableNetworkIsolation;
-  }
-  if (input.ExperimentConfig !== undefined) {
-    bodyParams["ExperimentConfig"] = serializeAws_json1_1ExperimentConfig(
-      input.ExperimentConfig,
-      context
-    );
-  }
-  if (input.HyperParameters !== undefined) {
-    bodyParams["HyperParameters"] = serializeAws_json1_1HyperParameters(
-      input.HyperParameters,
-      context
-    );
-  }
-  if (input.InputDataConfig !== undefined) {
-    bodyParams["InputDataConfig"] = serializeAws_json1_1InputDataConfig(
-      input.InputDataConfig,
-      context
-    );
-  }
-  if (input.OutputDataConfig !== undefined) {
-    bodyParams["OutputDataConfig"] = serializeAws_json1_1OutputDataConfig(
-      input.OutputDataConfig,
-      context
-    );
-  }
-  if (input.ResourceConfig !== undefined) {
-    bodyParams["ResourceConfig"] = serializeAws_json1_1ResourceConfig(
-      input.ResourceConfig,
-      context
-    );
-  }
-  if (input.RoleArn !== undefined) {
-    bodyParams["RoleArn"] = input.RoleArn;
-  }
-  if (input.StoppingCondition !== undefined) {
-    bodyParams["StoppingCondition"] = serializeAws_json1_1StoppingCondition(
-      input.StoppingCondition,
-      context
-    );
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagList(input.Tags, context);
-  }
-  if (input.TensorBoardOutputConfig !== undefined) {
-    bodyParams[
-      "TensorBoardOutputConfig"
-    ] = serializeAws_json1_1TensorBoardOutputConfig(
-      input.TensorBoardOutputConfig,
-      context
-    );
-  }
-  if (input.TrainingJobName !== undefined) {
-    bodyParams["TrainingJobName"] = input.TrainingJobName;
-  }
-  if (input.VpcConfig !== undefined) {
-    bodyParams["VpcConfig"] = serializeAws_json1_1VpcConfig(
-      input.VpcConfig,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.AlgorithmSpecification !== undefined && {
+      AlgorithmSpecification: serializeAws_json1_1AlgorithmSpecification(
+        input.AlgorithmSpecification,
+        context
+      )
+    }),
+    ...(input.CheckpointConfig !== undefined && {
+      CheckpointConfig: serializeAws_json1_1CheckpointConfig(
+        input.CheckpointConfig,
+        context
+      )
+    }),
+    ...(input.DebugHookConfig !== undefined && {
+      DebugHookConfig: serializeAws_json1_1DebugHookConfig(
+        input.DebugHookConfig,
+        context
+      )
+    }),
+    ...(input.DebugRuleConfigurations !== undefined && {
+      DebugRuleConfigurations: serializeAws_json1_1DebugRuleConfigurations(
+        input.DebugRuleConfigurations,
+        context
+      )
+    }),
+    ...(input.EnableInterContainerTrafficEncryption !== undefined && {
+      EnableInterContainerTrafficEncryption:
+        input.EnableInterContainerTrafficEncryption
+    }),
+    ...(input.EnableManagedSpotTraining !== undefined && {
+      EnableManagedSpotTraining: input.EnableManagedSpotTraining
+    }),
+    ...(input.EnableNetworkIsolation !== undefined && {
+      EnableNetworkIsolation: input.EnableNetworkIsolation
+    }),
+    ...(input.ExperimentConfig !== undefined && {
+      ExperimentConfig: serializeAws_json1_1ExperimentConfig(
+        input.ExperimentConfig,
+        context
+      )
+    }),
+    ...(input.HyperParameters !== undefined && {
+      HyperParameters: serializeAws_json1_1HyperParameters(
+        input.HyperParameters,
+        context
+      )
+    }),
+    ...(input.InputDataConfig !== undefined && {
+      InputDataConfig: serializeAws_json1_1InputDataConfig(
+        input.InputDataConfig,
+        context
+      )
+    }),
+    ...(input.OutputDataConfig !== undefined && {
+      OutputDataConfig: serializeAws_json1_1OutputDataConfig(
+        input.OutputDataConfig,
+        context
+      )
+    }),
+    ...(input.ResourceConfig !== undefined && {
+      ResourceConfig: serializeAws_json1_1ResourceConfig(
+        input.ResourceConfig,
+        context
+      )
+    }),
+    ...(input.RoleArn !== undefined && { RoleArn: input.RoleArn }),
+    ...(input.StoppingCondition !== undefined && {
+      StoppingCondition: serializeAws_json1_1StoppingCondition(
+        input.StoppingCondition,
+        context
+      )
+    }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagList(input.Tags, context)
+    }),
+    ...(input.TensorBoardOutputConfig !== undefined && {
+      TensorBoardOutputConfig: serializeAws_json1_1TensorBoardOutputConfig(
+        input.TensorBoardOutputConfig,
+        context
+      )
+    }),
+    ...(input.TrainingJobName !== undefined && {
+      TrainingJobName: input.TrainingJobName
+    }),
+    ...(input.VpcConfig !== undefined && {
+      VpcConfig: serializeAws_json1_1VpcConfig(input.VpcConfig, context)
+    })
+  };
 };
 
 const serializeAws_json1_1CreateTransformJobRequest = (
   input: CreateTransformJobRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.BatchStrategy !== undefined) {
-    bodyParams["BatchStrategy"] = input.BatchStrategy;
-  }
-  if (input.DataProcessing !== undefined) {
-    bodyParams["DataProcessing"] = serializeAws_json1_1DataProcessing(
-      input.DataProcessing,
-      context
-    );
-  }
-  if (input.Environment !== undefined) {
-    bodyParams["Environment"] = serializeAws_json1_1TransformEnvironmentMap(
-      input.Environment,
-      context
-    );
-  }
-  if (input.ExperimentConfig !== undefined) {
-    bodyParams["ExperimentConfig"] = serializeAws_json1_1ExperimentConfig(
-      input.ExperimentConfig,
-      context
-    );
-  }
-  if (input.MaxConcurrentTransforms !== undefined) {
-    bodyParams["MaxConcurrentTransforms"] = input.MaxConcurrentTransforms;
-  }
-  if (input.MaxPayloadInMB !== undefined) {
-    bodyParams["MaxPayloadInMB"] = input.MaxPayloadInMB;
-  }
-  if (input.ModelName !== undefined) {
-    bodyParams["ModelName"] = input.ModelName;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagList(input.Tags, context);
-  }
-  if (input.TransformInput !== undefined) {
-    bodyParams["TransformInput"] = serializeAws_json1_1TransformInput(
-      input.TransformInput,
-      context
-    );
-  }
-  if (input.TransformJobName !== undefined) {
-    bodyParams["TransformJobName"] = input.TransformJobName;
-  }
-  if (input.TransformOutput !== undefined) {
-    bodyParams["TransformOutput"] = serializeAws_json1_1TransformOutput(
-      input.TransformOutput,
-      context
-    );
-  }
-  if (input.TransformResources !== undefined) {
-    bodyParams["TransformResources"] = serializeAws_json1_1TransformResources(
-      input.TransformResources,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.BatchStrategy !== undefined && {
+      BatchStrategy: input.BatchStrategy
+    }),
+    ...(input.DataProcessing !== undefined && {
+      DataProcessing: serializeAws_json1_1DataProcessing(
+        input.DataProcessing,
+        context
+      )
+    }),
+    ...(input.Environment !== undefined && {
+      Environment: serializeAws_json1_1TransformEnvironmentMap(
+        input.Environment,
+        context
+      )
+    }),
+    ...(input.ExperimentConfig !== undefined && {
+      ExperimentConfig: serializeAws_json1_1ExperimentConfig(
+        input.ExperimentConfig,
+        context
+      )
+    }),
+    ...(input.MaxConcurrentTransforms !== undefined && {
+      MaxConcurrentTransforms: input.MaxConcurrentTransforms
+    }),
+    ...(input.MaxPayloadInMB !== undefined && {
+      MaxPayloadInMB: input.MaxPayloadInMB
+    }),
+    ...(input.ModelName !== undefined && { ModelName: input.ModelName }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagList(input.Tags, context)
+    }),
+    ...(input.TransformInput !== undefined && {
+      TransformInput: serializeAws_json1_1TransformInput(
+        input.TransformInput,
+        context
+      )
+    }),
+    ...(input.TransformJobName !== undefined && {
+      TransformJobName: input.TransformJobName
+    }),
+    ...(input.TransformOutput !== undefined && {
+      TransformOutput: serializeAws_json1_1TransformOutput(
+        input.TransformOutput,
+        context
+      )
+    }),
+    ...(input.TransformResources !== undefined && {
+      TransformResources: serializeAws_json1_1TransformResources(
+        input.TransformResources,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1CreateTrialComponentRequest = (
   input: CreateTrialComponentRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DisplayName !== undefined) {
-    bodyParams["DisplayName"] = input.DisplayName;
-  }
-  if (input.EndTime !== undefined) {
-    bodyParams["EndTime"] = Math.round(input.EndTime.getTime() / 1000);
-  }
-  if (input.InputArtifacts !== undefined) {
-    bodyParams["InputArtifacts"] = serializeAws_json1_1TrialComponentArtifacts(
-      input.InputArtifacts,
-      context
-    );
-  }
-  if (input.OutputArtifacts !== undefined) {
-    bodyParams["OutputArtifacts"] = serializeAws_json1_1TrialComponentArtifacts(
-      input.OutputArtifacts,
-      context
-    );
-  }
-  if (input.Parameters !== undefined) {
-    bodyParams["Parameters"] = serializeAws_json1_1TrialComponentParameters(
-      input.Parameters,
-      context
-    );
-  }
-  if (input.StartTime !== undefined) {
-    bodyParams["StartTime"] = Math.round(input.StartTime.getTime() / 1000);
-  }
-  if (input.Status !== undefined) {
-    bodyParams["Status"] = serializeAws_json1_1TrialComponentStatus(
-      input.Status,
-      context
-    );
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagList(input.Tags, context);
-  }
-  if (input.TrialComponentName !== undefined) {
-    bodyParams["TrialComponentName"] = input.TrialComponentName;
-  }
-  return bodyParams;
+  return {
+    ...(input.DisplayName !== undefined && { DisplayName: input.DisplayName }),
+    ...(input.EndTime !== undefined && {
+      EndTime: Math.round(input.EndTime.getTime() / 1000)
+    }),
+    ...(input.InputArtifacts !== undefined && {
+      InputArtifacts: serializeAws_json1_1TrialComponentArtifacts(
+        input.InputArtifacts,
+        context
+      )
+    }),
+    ...(input.OutputArtifacts !== undefined && {
+      OutputArtifacts: serializeAws_json1_1TrialComponentArtifacts(
+        input.OutputArtifacts,
+        context
+      )
+    }),
+    ...(input.Parameters !== undefined && {
+      Parameters: serializeAws_json1_1TrialComponentParameters(
+        input.Parameters,
+        context
+      )
+    }),
+    ...(input.StartTime !== undefined && {
+      StartTime: Math.round(input.StartTime.getTime() / 1000)
+    }),
+    ...(input.Status !== undefined && {
+      Status: serializeAws_json1_1TrialComponentStatus(input.Status, context)
+    }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagList(input.Tags, context)
+    }),
+    ...(input.TrialComponentName !== undefined && {
+      TrialComponentName: input.TrialComponentName
+    })
+  };
 };
 
 const serializeAws_json1_1CreateTrialRequest = (
   input: CreateTrialRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DisplayName !== undefined) {
-    bodyParams["DisplayName"] = input.DisplayName;
-  }
-  if (input.ExperimentName !== undefined) {
-    bodyParams["ExperimentName"] = input.ExperimentName;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagList(input.Tags, context);
-  }
-  if (input.TrialName !== undefined) {
-    bodyParams["TrialName"] = input.TrialName;
-  }
-  return bodyParams;
+  return {
+    ...(input.DisplayName !== undefined && { DisplayName: input.DisplayName }),
+    ...(input.ExperimentName !== undefined && {
+      ExperimentName: input.ExperimentName
+    }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagList(input.Tags, context)
+    }),
+    ...(input.TrialName !== undefined && { TrialName: input.TrialName })
+  };
 };
 
 const serializeAws_json1_1CreateUserProfileRequest = (
   input: CreateUserProfileRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DomainId !== undefined) {
-    bodyParams["DomainId"] = input.DomainId;
-  }
-  if (input.SingleSignOnUserIdentifier !== undefined) {
-    bodyParams["SingleSignOnUserIdentifier"] = input.SingleSignOnUserIdentifier;
-  }
-  if (input.SingleSignOnUserValue !== undefined) {
-    bodyParams["SingleSignOnUserValue"] = input.SingleSignOnUserValue;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagList(input.Tags, context);
-  }
-  if (input.UserProfileName !== undefined) {
-    bodyParams["UserProfileName"] = input.UserProfileName;
-  }
-  if (input.UserSettings !== undefined) {
-    bodyParams["UserSettings"] = serializeAws_json1_1UserSettings(
-      input.UserSettings,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.DomainId !== undefined && { DomainId: input.DomainId }),
+    ...(input.SingleSignOnUserIdentifier !== undefined && {
+      SingleSignOnUserIdentifier: input.SingleSignOnUserIdentifier
+    }),
+    ...(input.SingleSignOnUserValue !== undefined && {
+      SingleSignOnUserValue: input.SingleSignOnUserValue
+    }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagList(input.Tags, context)
+    }),
+    ...(input.UserProfileName !== undefined && {
+      UserProfileName: input.UserProfileName
+    }),
+    ...(input.UserSettings !== undefined && {
+      UserSettings: serializeAws_json1_1UserSettings(
+        input.UserSettings,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1CreateWorkteamRequest = (
   input: CreateWorkteamRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.MemberDefinitions !== undefined) {
-    bodyParams["MemberDefinitions"] = serializeAws_json1_1MemberDefinitions(
-      input.MemberDefinitions,
-      context
-    );
-  }
-  if (input.NotificationConfiguration !== undefined) {
-    bodyParams[
-      "NotificationConfiguration"
-    ] = serializeAws_json1_1NotificationConfiguration(
-      input.NotificationConfiguration,
-      context
-    );
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagList(input.Tags, context);
-  }
-  if (input.WorkteamName !== undefined) {
-    bodyParams["WorkteamName"] = input.WorkteamName;
-  }
-  return bodyParams;
+  return {
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.MemberDefinitions !== undefined && {
+      MemberDefinitions: serializeAws_json1_1MemberDefinitions(
+        input.MemberDefinitions,
+        context
+      )
+    }),
+    ...(input.NotificationConfiguration !== undefined && {
+      NotificationConfiguration: serializeAws_json1_1NotificationConfiguration(
+        input.NotificationConfiguration,
+        context
+      )
+    }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagList(input.Tags, context)
+    }),
+    ...(input.WorkteamName !== undefined && {
+      WorkteamName: input.WorkteamName
+    })
+  };
 };
 
 const serializeAws_json1_1CsvContentTypes = (
@@ -12614,133 +12399,117 @@ const serializeAws_json1_1DataCaptureConfig = (
   input: DataCaptureConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CaptureContentTypeHeader !== undefined) {
-    bodyParams[
-      "CaptureContentTypeHeader"
-    ] = serializeAws_json1_1CaptureContentTypeHeader(
-      input.CaptureContentTypeHeader,
-      context
-    );
-  }
-  if (input.CaptureOptions !== undefined) {
-    bodyParams["CaptureOptions"] = serializeAws_json1_1CaptureOptionList(
-      input.CaptureOptions,
-      context
-    );
-  }
-  if (input.DestinationS3Uri !== undefined) {
-    bodyParams["DestinationS3Uri"] = input.DestinationS3Uri;
-  }
-  if (input.EnableCapture !== undefined) {
-    bodyParams["EnableCapture"] = input.EnableCapture;
-  }
-  if (input.InitialSamplingPercentage !== undefined) {
-    bodyParams["InitialSamplingPercentage"] = input.InitialSamplingPercentage;
-  }
-  if (input.KmsKeyId !== undefined) {
-    bodyParams["KmsKeyId"] = input.KmsKeyId;
-  }
-  return bodyParams;
+  return {
+    ...(input.CaptureContentTypeHeader !== undefined && {
+      CaptureContentTypeHeader: serializeAws_json1_1CaptureContentTypeHeader(
+        input.CaptureContentTypeHeader,
+        context
+      )
+    }),
+    ...(input.CaptureOptions !== undefined && {
+      CaptureOptions: serializeAws_json1_1CaptureOptionList(
+        input.CaptureOptions,
+        context
+      )
+    }),
+    ...(input.DestinationS3Uri !== undefined && {
+      DestinationS3Uri: input.DestinationS3Uri
+    }),
+    ...(input.EnableCapture !== undefined && {
+      EnableCapture: input.EnableCapture
+    }),
+    ...(input.InitialSamplingPercentage !== undefined && {
+      InitialSamplingPercentage: input.InitialSamplingPercentage
+    }),
+    ...(input.KmsKeyId !== undefined && { KmsKeyId: input.KmsKeyId })
+  };
 };
 
 const serializeAws_json1_1DataProcessing = (
   input: DataProcessing,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.InputFilter !== undefined) {
-    bodyParams["InputFilter"] = input.InputFilter;
-  }
-  if (input.JoinSource !== undefined) {
-    bodyParams["JoinSource"] = input.JoinSource;
-  }
-  if (input.OutputFilter !== undefined) {
-    bodyParams["OutputFilter"] = input.OutputFilter;
-  }
-  return bodyParams;
+  return {
+    ...(input.InputFilter !== undefined && { InputFilter: input.InputFilter }),
+    ...(input.JoinSource !== undefined && { JoinSource: input.JoinSource }),
+    ...(input.OutputFilter !== undefined && {
+      OutputFilter: input.OutputFilter
+    })
+  };
 };
 
 const serializeAws_json1_1DataSource = (
   input: DataSource,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.FileSystemDataSource !== undefined) {
-    bodyParams[
-      "FileSystemDataSource"
-    ] = serializeAws_json1_1FileSystemDataSource(
-      input.FileSystemDataSource,
-      context
-    );
-  }
-  if (input.S3DataSource !== undefined) {
-    bodyParams["S3DataSource"] = serializeAws_json1_1S3DataSource(
-      input.S3DataSource,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.FileSystemDataSource !== undefined && {
+      FileSystemDataSource: serializeAws_json1_1FileSystemDataSource(
+        input.FileSystemDataSource,
+        context
+      )
+    }),
+    ...(input.S3DataSource !== undefined && {
+      S3DataSource: serializeAws_json1_1S3DataSource(
+        input.S3DataSource,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1DebugHookConfig = (
   input: DebugHookConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CollectionConfigurations !== undefined) {
-    bodyParams[
-      "CollectionConfigurations"
-    ] = serializeAws_json1_1CollectionConfigurations(
-      input.CollectionConfigurations,
-      context
-    );
-  }
-  if (input.HookParameters !== undefined) {
-    bodyParams["HookParameters"] = serializeAws_json1_1HookParameters(
-      input.HookParameters,
-      context
-    );
-  }
-  if (input.LocalPath !== undefined) {
-    bodyParams["LocalPath"] = input.LocalPath;
-  }
-  if (input.S3OutputPath !== undefined) {
-    bodyParams["S3OutputPath"] = input.S3OutputPath;
-  }
-  return bodyParams;
+  return {
+    ...(input.CollectionConfigurations !== undefined && {
+      CollectionConfigurations: serializeAws_json1_1CollectionConfigurations(
+        input.CollectionConfigurations,
+        context
+      )
+    }),
+    ...(input.HookParameters !== undefined && {
+      HookParameters: serializeAws_json1_1HookParameters(
+        input.HookParameters,
+        context
+      )
+    }),
+    ...(input.LocalPath !== undefined && { LocalPath: input.LocalPath }),
+    ...(input.S3OutputPath !== undefined && {
+      S3OutputPath: input.S3OutputPath
+    })
+  };
 };
 
 const serializeAws_json1_1DebugRuleConfiguration = (
   input: DebugRuleConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.InstanceType !== undefined) {
-    bodyParams["InstanceType"] = input.InstanceType;
-  }
-  if (input.LocalPath !== undefined) {
-    bodyParams["LocalPath"] = input.LocalPath;
-  }
-  if (input.RuleConfigurationName !== undefined) {
-    bodyParams["RuleConfigurationName"] = input.RuleConfigurationName;
-  }
-  if (input.RuleEvaluatorImage !== undefined) {
-    bodyParams["RuleEvaluatorImage"] = input.RuleEvaluatorImage;
-  }
-  if (input.RuleParameters !== undefined) {
-    bodyParams["RuleParameters"] = serializeAws_json1_1RuleParameters(
-      input.RuleParameters,
-      context
-    );
-  }
-  if (input.S3OutputPath !== undefined) {
-    bodyParams["S3OutputPath"] = input.S3OutputPath;
-  }
-  if (input.VolumeSizeInGB !== undefined) {
-    bodyParams["VolumeSizeInGB"] = input.VolumeSizeInGB;
-  }
-  return bodyParams;
+  return {
+    ...(input.InstanceType !== undefined && {
+      InstanceType: input.InstanceType
+    }),
+    ...(input.LocalPath !== undefined && { LocalPath: input.LocalPath }),
+    ...(input.RuleConfigurationName !== undefined && {
+      RuleConfigurationName: input.RuleConfigurationName
+    }),
+    ...(input.RuleEvaluatorImage !== undefined && {
+      RuleEvaluatorImage: input.RuleEvaluatorImage
+    }),
+    ...(input.RuleParameters !== undefined && {
+      RuleParameters: serializeAws_json1_1RuleParameters(
+        input.RuleParameters,
+        context
+      )
+    }),
+    ...(input.S3OutputPath !== undefined && {
+      S3OutputPath: input.S3OutputPath
+    }),
+    ...(input.VolumeSizeInGB !== undefined && {
+      VolumeSizeInGB: input.VolumeSizeInGB
+    })
+  };
 };
 
 const serializeAws_json1_1DebugRuleConfigurations = (
@@ -12756,551 +12525,513 @@ const serializeAws_json1_1DeleteAlgorithmInput = (
   input: DeleteAlgorithmInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AlgorithmName !== undefined) {
-    bodyParams["AlgorithmName"] = input.AlgorithmName;
-  }
-  return bodyParams;
+  return {
+    ...(input.AlgorithmName !== undefined && {
+      AlgorithmName: input.AlgorithmName
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteAppRequest = (
   input: DeleteAppRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AppName !== undefined) {
-    bodyParams["AppName"] = input.AppName;
-  }
-  if (input.AppType !== undefined) {
-    bodyParams["AppType"] = input.AppType;
-  }
-  if (input.DomainId !== undefined) {
-    bodyParams["DomainId"] = input.DomainId;
-  }
-  if (input.UserProfileName !== undefined) {
-    bodyParams["UserProfileName"] = input.UserProfileName;
-  }
-  return bodyParams;
+  return {
+    ...(input.AppName !== undefined && { AppName: input.AppName }),
+    ...(input.AppType !== undefined && { AppType: input.AppType }),
+    ...(input.DomainId !== undefined && { DomainId: input.DomainId }),
+    ...(input.UserProfileName !== undefined && {
+      UserProfileName: input.UserProfileName
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteCodeRepositoryInput = (
   input: DeleteCodeRepositoryInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CodeRepositoryName !== undefined) {
-    bodyParams["CodeRepositoryName"] = input.CodeRepositoryName;
-  }
-  return bodyParams;
+  return {
+    ...(input.CodeRepositoryName !== undefined && {
+      CodeRepositoryName: input.CodeRepositoryName
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteDomainRequest = (
   input: DeleteDomainRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DomainId !== undefined) {
-    bodyParams["DomainId"] = input.DomainId;
-  }
-  if (input.RetentionPolicy !== undefined) {
-    bodyParams["RetentionPolicy"] = serializeAws_json1_1RetentionPolicy(
-      input.RetentionPolicy,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.DomainId !== undefined && { DomainId: input.DomainId }),
+    ...(input.RetentionPolicy !== undefined && {
+      RetentionPolicy: serializeAws_json1_1RetentionPolicy(
+        input.RetentionPolicy,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteEndpointConfigInput = (
   input: DeleteEndpointConfigInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EndpointConfigName !== undefined) {
-    bodyParams["EndpointConfigName"] = input.EndpointConfigName;
-  }
-  return bodyParams;
+  return {
+    ...(input.EndpointConfigName !== undefined && {
+      EndpointConfigName: input.EndpointConfigName
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteEndpointInput = (
   input: DeleteEndpointInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EndpointName !== undefined) {
-    bodyParams["EndpointName"] = input.EndpointName;
-  }
-  return bodyParams;
+  return {
+    ...(input.EndpointName !== undefined && {
+      EndpointName: input.EndpointName
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteExperimentRequest = (
   input: DeleteExperimentRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ExperimentName !== undefined) {
-    bodyParams["ExperimentName"] = input.ExperimentName;
-  }
-  return bodyParams;
+  return {
+    ...(input.ExperimentName !== undefined && {
+      ExperimentName: input.ExperimentName
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteFlowDefinitionRequest = (
   input: DeleteFlowDefinitionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.FlowDefinitionName !== undefined) {
-    bodyParams["FlowDefinitionName"] = input.FlowDefinitionName;
-  }
-  return bodyParams;
+  return {
+    ...(input.FlowDefinitionName !== undefined && {
+      FlowDefinitionName: input.FlowDefinitionName
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteModelInput = (
   input: DeleteModelInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ModelName !== undefined) {
-    bodyParams["ModelName"] = input.ModelName;
-  }
-  return bodyParams;
+  return {
+    ...(input.ModelName !== undefined && { ModelName: input.ModelName })
+  };
 };
 
 const serializeAws_json1_1DeleteModelPackageInput = (
   input: DeleteModelPackageInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ModelPackageName !== undefined) {
-    bodyParams["ModelPackageName"] = input.ModelPackageName;
-  }
-  return bodyParams;
+  return {
+    ...(input.ModelPackageName !== undefined && {
+      ModelPackageName: input.ModelPackageName
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteMonitoringScheduleRequest = (
   input: DeleteMonitoringScheduleRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MonitoringScheduleName !== undefined) {
-    bodyParams["MonitoringScheduleName"] = input.MonitoringScheduleName;
-  }
-  return bodyParams;
+  return {
+    ...(input.MonitoringScheduleName !== undefined && {
+      MonitoringScheduleName: input.MonitoringScheduleName
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteNotebookInstanceInput = (
   input: DeleteNotebookInstanceInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.NotebookInstanceName !== undefined) {
-    bodyParams["NotebookInstanceName"] = input.NotebookInstanceName;
-  }
-  return bodyParams;
+  return {
+    ...(input.NotebookInstanceName !== undefined && {
+      NotebookInstanceName: input.NotebookInstanceName
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteNotebookInstanceLifecycleConfigInput = (
   input: DeleteNotebookInstanceLifecycleConfigInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.NotebookInstanceLifecycleConfigName !== undefined) {
-    bodyParams["NotebookInstanceLifecycleConfigName"] =
-      input.NotebookInstanceLifecycleConfigName;
-  }
-  return bodyParams;
+  return {
+    ...(input.NotebookInstanceLifecycleConfigName !== undefined && {
+      NotebookInstanceLifecycleConfigName:
+        input.NotebookInstanceLifecycleConfigName
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteTagsInput = (
   input: DeleteTagsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceArn !== undefined) {
-    bodyParams["ResourceArn"] = input.ResourceArn;
-  }
-  if (input.TagKeys !== undefined) {
-    bodyParams["TagKeys"] = serializeAws_json1_1TagKeyList(
-      input.TagKeys,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceArn !== undefined && { ResourceArn: input.ResourceArn }),
+    ...(input.TagKeys !== undefined && {
+      TagKeys: serializeAws_json1_1TagKeyList(input.TagKeys, context)
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteTrialComponentRequest = (
   input: DeleteTrialComponentRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.TrialComponentName !== undefined) {
-    bodyParams["TrialComponentName"] = input.TrialComponentName;
-  }
-  return bodyParams;
+  return {
+    ...(input.TrialComponentName !== undefined && {
+      TrialComponentName: input.TrialComponentName
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteTrialRequest = (
   input: DeleteTrialRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.TrialName !== undefined) {
-    bodyParams["TrialName"] = input.TrialName;
-  }
-  return bodyParams;
+  return {
+    ...(input.TrialName !== undefined && { TrialName: input.TrialName })
+  };
 };
 
 const serializeAws_json1_1DeleteUserProfileRequest = (
   input: DeleteUserProfileRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DomainId !== undefined) {
-    bodyParams["DomainId"] = input.DomainId;
-  }
-  if (input.UserProfileName !== undefined) {
-    bodyParams["UserProfileName"] = input.UserProfileName;
-  }
-  return bodyParams;
+  return {
+    ...(input.DomainId !== undefined && { DomainId: input.DomainId }),
+    ...(input.UserProfileName !== undefined && {
+      UserProfileName: input.UserProfileName
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteWorkteamRequest = (
   input: DeleteWorkteamRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.WorkteamName !== undefined) {
-    bodyParams["WorkteamName"] = input.WorkteamName;
-  }
-  return bodyParams;
+  return {
+    ...(input.WorkteamName !== undefined && {
+      WorkteamName: input.WorkteamName
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeAlgorithmInput = (
   input: DescribeAlgorithmInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AlgorithmName !== undefined) {
-    bodyParams["AlgorithmName"] = input.AlgorithmName;
-  }
-  return bodyParams;
+  return {
+    ...(input.AlgorithmName !== undefined && {
+      AlgorithmName: input.AlgorithmName
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeAppRequest = (
   input: DescribeAppRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AppName !== undefined) {
-    bodyParams["AppName"] = input.AppName;
-  }
-  if (input.AppType !== undefined) {
-    bodyParams["AppType"] = input.AppType;
-  }
-  if (input.DomainId !== undefined) {
-    bodyParams["DomainId"] = input.DomainId;
-  }
-  if (input.UserProfileName !== undefined) {
-    bodyParams["UserProfileName"] = input.UserProfileName;
-  }
-  return bodyParams;
+  return {
+    ...(input.AppName !== undefined && { AppName: input.AppName }),
+    ...(input.AppType !== undefined && { AppType: input.AppType }),
+    ...(input.DomainId !== undefined && { DomainId: input.DomainId }),
+    ...(input.UserProfileName !== undefined && {
+      UserProfileName: input.UserProfileName
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeAutoMLJobRequest = (
   input: DescribeAutoMLJobRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AutoMLJobName !== undefined) {
-    bodyParams["AutoMLJobName"] = input.AutoMLJobName;
-  }
-  return bodyParams;
+  return {
+    ...(input.AutoMLJobName !== undefined && {
+      AutoMLJobName: input.AutoMLJobName
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeCodeRepositoryInput = (
   input: DescribeCodeRepositoryInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CodeRepositoryName !== undefined) {
-    bodyParams["CodeRepositoryName"] = input.CodeRepositoryName;
-  }
-  return bodyParams;
+  return {
+    ...(input.CodeRepositoryName !== undefined && {
+      CodeRepositoryName: input.CodeRepositoryName
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeCompilationJobRequest = (
   input: DescribeCompilationJobRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CompilationJobName !== undefined) {
-    bodyParams["CompilationJobName"] = input.CompilationJobName;
-  }
-  return bodyParams;
+  return {
+    ...(input.CompilationJobName !== undefined && {
+      CompilationJobName: input.CompilationJobName
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeDomainRequest = (
   input: DescribeDomainRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DomainId !== undefined) {
-    bodyParams["DomainId"] = input.DomainId;
-  }
-  return bodyParams;
+  return {
+    ...(input.DomainId !== undefined && { DomainId: input.DomainId })
+  };
 };
 
 const serializeAws_json1_1DescribeEndpointConfigInput = (
   input: DescribeEndpointConfigInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EndpointConfigName !== undefined) {
-    bodyParams["EndpointConfigName"] = input.EndpointConfigName;
-  }
-  return bodyParams;
+  return {
+    ...(input.EndpointConfigName !== undefined && {
+      EndpointConfigName: input.EndpointConfigName
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeEndpointInput = (
   input: DescribeEndpointInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EndpointName !== undefined) {
-    bodyParams["EndpointName"] = input.EndpointName;
-  }
-  return bodyParams;
+  return {
+    ...(input.EndpointName !== undefined && {
+      EndpointName: input.EndpointName
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeExperimentRequest = (
   input: DescribeExperimentRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ExperimentName !== undefined) {
-    bodyParams["ExperimentName"] = input.ExperimentName;
-  }
-  return bodyParams;
+  return {
+    ...(input.ExperimentName !== undefined && {
+      ExperimentName: input.ExperimentName
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeFlowDefinitionRequest = (
   input: DescribeFlowDefinitionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.FlowDefinitionName !== undefined) {
-    bodyParams["FlowDefinitionName"] = input.FlowDefinitionName;
-  }
-  return bodyParams;
+  return {
+    ...(input.FlowDefinitionName !== undefined && {
+      FlowDefinitionName: input.FlowDefinitionName
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeHumanTaskUiRequest = (
   input: DescribeHumanTaskUiRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.HumanTaskUiName !== undefined) {
-    bodyParams["HumanTaskUiName"] = input.HumanTaskUiName;
-  }
-  return bodyParams;
+  return {
+    ...(input.HumanTaskUiName !== undefined && {
+      HumanTaskUiName: input.HumanTaskUiName
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeHyperParameterTuningJobRequest = (
   input: DescribeHyperParameterTuningJobRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.HyperParameterTuningJobName !== undefined) {
-    bodyParams["HyperParameterTuningJobName"] =
-      input.HyperParameterTuningJobName;
-  }
-  return bodyParams;
+  return {
+    ...(input.HyperParameterTuningJobName !== undefined && {
+      HyperParameterTuningJobName: input.HyperParameterTuningJobName
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeLabelingJobRequest = (
   input: DescribeLabelingJobRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.LabelingJobName !== undefined) {
-    bodyParams["LabelingJobName"] = input.LabelingJobName;
-  }
-  return bodyParams;
+  return {
+    ...(input.LabelingJobName !== undefined && {
+      LabelingJobName: input.LabelingJobName
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeModelInput = (
   input: DescribeModelInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ModelName !== undefined) {
-    bodyParams["ModelName"] = input.ModelName;
-  }
-  return bodyParams;
+  return {
+    ...(input.ModelName !== undefined && { ModelName: input.ModelName })
+  };
 };
 
 const serializeAws_json1_1DescribeModelPackageInput = (
   input: DescribeModelPackageInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ModelPackageName !== undefined) {
-    bodyParams["ModelPackageName"] = input.ModelPackageName;
-  }
-  return bodyParams;
+  return {
+    ...(input.ModelPackageName !== undefined && {
+      ModelPackageName: input.ModelPackageName
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeMonitoringScheduleRequest = (
   input: DescribeMonitoringScheduleRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MonitoringScheduleName !== undefined) {
-    bodyParams["MonitoringScheduleName"] = input.MonitoringScheduleName;
-  }
-  return bodyParams;
+  return {
+    ...(input.MonitoringScheduleName !== undefined && {
+      MonitoringScheduleName: input.MonitoringScheduleName
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeNotebookInstanceInput = (
   input: DescribeNotebookInstanceInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.NotebookInstanceName !== undefined) {
-    bodyParams["NotebookInstanceName"] = input.NotebookInstanceName;
-  }
-  return bodyParams;
+  return {
+    ...(input.NotebookInstanceName !== undefined && {
+      NotebookInstanceName: input.NotebookInstanceName
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeNotebookInstanceLifecycleConfigInput = (
   input: DescribeNotebookInstanceLifecycleConfigInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.NotebookInstanceLifecycleConfigName !== undefined) {
-    bodyParams["NotebookInstanceLifecycleConfigName"] =
-      input.NotebookInstanceLifecycleConfigName;
-  }
-  return bodyParams;
+  return {
+    ...(input.NotebookInstanceLifecycleConfigName !== undefined && {
+      NotebookInstanceLifecycleConfigName:
+        input.NotebookInstanceLifecycleConfigName
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeProcessingJobRequest = (
   input: DescribeProcessingJobRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ProcessingJobName !== undefined) {
-    bodyParams["ProcessingJobName"] = input.ProcessingJobName;
-  }
-  return bodyParams;
+  return {
+    ...(input.ProcessingJobName !== undefined && {
+      ProcessingJobName: input.ProcessingJobName
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeSubscribedWorkteamRequest = (
   input: DescribeSubscribedWorkteamRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.WorkteamArn !== undefined) {
-    bodyParams["WorkteamArn"] = input.WorkteamArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.WorkteamArn !== undefined && { WorkteamArn: input.WorkteamArn })
+  };
 };
 
 const serializeAws_json1_1DescribeTrainingJobRequest = (
   input: DescribeTrainingJobRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.TrainingJobName !== undefined) {
-    bodyParams["TrainingJobName"] = input.TrainingJobName;
-  }
-  return bodyParams;
+  return {
+    ...(input.TrainingJobName !== undefined && {
+      TrainingJobName: input.TrainingJobName
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeTransformJobRequest = (
   input: DescribeTransformJobRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.TransformJobName !== undefined) {
-    bodyParams["TransformJobName"] = input.TransformJobName;
-  }
-  return bodyParams;
+  return {
+    ...(input.TransformJobName !== undefined && {
+      TransformJobName: input.TransformJobName
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeTrialComponentRequest = (
   input: DescribeTrialComponentRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.TrialComponentName !== undefined) {
-    bodyParams["TrialComponentName"] = input.TrialComponentName;
-  }
-  return bodyParams;
+  return {
+    ...(input.TrialComponentName !== undefined && {
+      TrialComponentName: input.TrialComponentName
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeTrialRequest = (
   input: DescribeTrialRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.TrialName !== undefined) {
-    bodyParams["TrialName"] = input.TrialName;
-  }
-  return bodyParams;
+  return {
+    ...(input.TrialName !== undefined && { TrialName: input.TrialName })
+  };
 };
 
 const serializeAws_json1_1DescribeUserProfileRequest = (
   input: DescribeUserProfileRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DomainId !== undefined) {
-    bodyParams["DomainId"] = input.DomainId;
-  }
-  if (input.UserProfileName !== undefined) {
-    bodyParams["UserProfileName"] = input.UserProfileName;
-  }
-  return bodyParams;
+  return {
+    ...(input.DomainId !== undefined && { DomainId: input.DomainId }),
+    ...(input.UserProfileName !== undefined && {
+      UserProfileName: input.UserProfileName
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeWorkforceRequest = (
   input: DescribeWorkforceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.WorkforceName !== undefined) {
-    bodyParams["WorkforceName"] = input.WorkforceName;
-  }
-  return bodyParams;
+  return {
+    ...(input.WorkforceName !== undefined && {
+      WorkforceName: input.WorkforceName
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeWorkteamRequest = (
   input: DescribeWorkteamRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.WorkteamName !== undefined) {
-    bodyParams["WorkteamName"] = input.WorkteamName;
-  }
-  return bodyParams;
+  return {
+    ...(input.WorkteamName !== undefined && {
+      WorkteamName: input.WorkteamName
+    })
+  };
 };
 
 const serializeAws_json1_1DesiredWeightAndCapacity = (
   input: DesiredWeightAndCapacity,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DesiredInstanceCount !== undefined) {
-    bodyParams["DesiredInstanceCount"] = input.DesiredInstanceCount;
-  }
-  if (input.DesiredWeight !== undefined) {
-    bodyParams["DesiredWeight"] = input.DesiredWeight;
-  }
-  if (input.VariantName !== undefined) {
-    bodyParams["VariantName"] = input.VariantName;
-  }
-  return bodyParams;
+  return {
+    ...(input.DesiredInstanceCount !== undefined && {
+      DesiredInstanceCount: input.DesiredInstanceCount
+    }),
+    ...(input.DesiredWeight !== undefined && {
+      DesiredWeight: input.DesiredWeight
+    }),
+    ...(input.VariantName !== undefined && { VariantName: input.VariantName })
+  };
 };
 
 const serializeAws_json1_1DesiredWeightAndCapacityList = (
@@ -13316,34 +13047,28 @@ const serializeAws_json1_1DisassociateTrialComponentRequest = (
   input: DisassociateTrialComponentRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.TrialComponentName !== undefined) {
-    bodyParams["TrialComponentName"] = input.TrialComponentName;
-  }
-  if (input.TrialName !== undefined) {
-    bodyParams["TrialName"] = input.TrialName;
-  }
-  return bodyParams;
+  return {
+    ...(input.TrialComponentName !== undefined && {
+      TrialComponentName: input.TrialComponentName
+    }),
+    ...(input.TrialName !== undefined && { TrialName: input.TrialName })
+  };
 };
 
 const serializeAws_json1_1EndpointInput = (
   input: EndpointInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EndpointName !== undefined) {
-    bodyParams["EndpointName"] = input.EndpointName;
-  }
-  if (input.LocalPath !== undefined) {
-    bodyParams["LocalPath"] = input.LocalPath;
-  }
-  if (input.S3DataDistributionType !== undefined) {
-    bodyParams["S3DataDistributionType"] = input.S3DataDistributionType;
-  }
-  if (input.S3InputMode !== undefined) {
-    bodyParams["S3InputMode"] = input.S3InputMode;
-  }
-  return bodyParams;
+  return {
+    ...(input.EndpointName !== undefined && {
+      EndpointName: input.EndpointName
+    }),
+    ...(input.LocalPath !== undefined && { LocalPath: input.LocalPath }),
+    ...(input.S3DataDistributionType !== undefined && {
+      S3DataDistributionType: input.S3DataDistributionType
+    }),
+    ...(input.S3InputMode !== undefined && { S3InputMode: input.S3InputMode })
+  };
 };
 
 const serializeAws_json1_1EnvironmentMap = (
@@ -13360,54 +13085,46 @@ const serializeAws_json1_1ExperimentConfig = (
   input: ExperimentConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ExperimentName !== undefined) {
-    bodyParams["ExperimentName"] = input.ExperimentName;
-  }
-  if (input.TrialComponentDisplayName !== undefined) {
-    bodyParams["TrialComponentDisplayName"] = input.TrialComponentDisplayName;
-  }
-  if (input.TrialName !== undefined) {
-    bodyParams["TrialName"] = input.TrialName;
-  }
-  return bodyParams;
+  return {
+    ...(input.ExperimentName !== undefined && {
+      ExperimentName: input.ExperimentName
+    }),
+    ...(input.TrialComponentDisplayName !== undefined && {
+      TrialComponentDisplayName: input.TrialComponentDisplayName
+    }),
+    ...(input.TrialName !== undefined && { TrialName: input.TrialName })
+  };
 };
 
 const serializeAws_json1_1FileSystemDataSource = (
   input: FileSystemDataSource,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DirectoryPath !== undefined) {
-    bodyParams["DirectoryPath"] = input.DirectoryPath;
-  }
-  if (input.FileSystemAccessMode !== undefined) {
-    bodyParams["FileSystemAccessMode"] = input.FileSystemAccessMode;
-  }
-  if (input.FileSystemId !== undefined) {
-    bodyParams["FileSystemId"] = input.FileSystemId;
-  }
-  if (input.FileSystemType !== undefined) {
-    bodyParams["FileSystemType"] = input.FileSystemType;
-  }
-  return bodyParams;
+  return {
+    ...(input.DirectoryPath !== undefined && {
+      DirectoryPath: input.DirectoryPath
+    }),
+    ...(input.FileSystemAccessMode !== undefined && {
+      FileSystemAccessMode: input.FileSystemAccessMode
+    }),
+    ...(input.FileSystemId !== undefined && {
+      FileSystemId: input.FileSystemId
+    }),
+    ...(input.FileSystemType !== undefined && {
+      FileSystemType: input.FileSystemType
+    })
+  };
 };
 
 const serializeAws_json1_1Filter = (
   input: Filter,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.Operator !== undefined) {
-    bodyParams["Operator"] = input.Operator;
-  }
-  if (input.Value !== undefined) {
-    bodyParams["Value"] = input.Value;
-  }
-  return bodyParams;
+  return {
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.Operator !== undefined && { Operator: input.Operator }),
+    ...(input.Value !== undefined && { Value: input.Value })
+  };
 };
 
 const serializeAws_json1_1FilterList = (
@@ -13421,14 +13138,12 @@ const serializeAws_json1_1FlowDefinitionOutputConfig = (
   input: FlowDefinitionOutputConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.KmsKeyId !== undefined) {
-    bodyParams["KmsKeyId"] = input.KmsKeyId;
-  }
-  if (input.S3OutputPath !== undefined) {
-    bodyParams["S3OutputPath"] = input.S3OutputPath;
-  }
-  return bodyParams;
+  return {
+    ...(input.KmsKeyId !== undefined && { KmsKeyId: input.KmsKeyId }),
+    ...(input.S3OutputPath !== undefined && {
+      S3OutputPath: input.S3OutputPath
+    })
+  };
 };
 
 const serializeAws_json1_1FlowDefinitionTaskKeywords = (
@@ -13442,45 +13157,37 @@ const serializeAws_json1_1GetSearchSuggestionsRequest = (
   input: GetSearchSuggestionsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Resource !== undefined) {
-    bodyParams["Resource"] = input.Resource;
-  }
-  if (input.SuggestionQuery !== undefined) {
-    bodyParams["SuggestionQuery"] = serializeAws_json1_1SuggestionQuery(
-      input.SuggestionQuery,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Resource !== undefined && { Resource: input.Resource }),
+    ...(input.SuggestionQuery !== undefined && {
+      SuggestionQuery: serializeAws_json1_1SuggestionQuery(
+        input.SuggestionQuery,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1GitConfig = (
   input: GitConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Branch !== undefined) {
-    bodyParams["Branch"] = input.Branch;
-  }
-  if (input.RepositoryUrl !== undefined) {
-    bodyParams["RepositoryUrl"] = input.RepositoryUrl;
-  }
-  if (input.SecretArn !== undefined) {
-    bodyParams["SecretArn"] = input.SecretArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.Branch !== undefined && { Branch: input.Branch }),
+    ...(input.RepositoryUrl !== undefined && {
+      RepositoryUrl: input.RepositoryUrl
+    }),
+    ...(input.SecretArn !== undefined && { SecretArn: input.SecretArn })
+  };
 };
 
 const serializeAws_json1_1GitConfigForUpdate = (
   input: GitConfigForUpdate,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.SecretArn !== undefined) {
-    bodyParams["SecretArn"] = input.SecretArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.SecretArn !== undefined && { SecretArn: input.SecretArn })
+  };
 };
 
 const serializeAws_json1_1HookParameters = (
@@ -13497,210 +13204,170 @@ const serializeAws_json1_1HumanLoopActivationConditionsConfig = (
   input: HumanLoopActivationConditionsConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.HumanLoopActivationConditions !== undefined) {
-    bodyParams["HumanLoopActivationConditions"] = __LazyJsonString.fromObject(
-      input.HumanLoopActivationConditions
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.HumanLoopActivationConditions !== undefined && {
+      HumanLoopActivationConditions: __LazyJsonString.fromObject(
+        input.HumanLoopActivationConditions
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1HumanLoopActivationConfig = (
   input: HumanLoopActivationConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.HumanLoopActivationConditionsConfig !== undefined) {
-    bodyParams[
-      "HumanLoopActivationConditionsConfig"
-    ] = serializeAws_json1_1HumanLoopActivationConditionsConfig(
-      input.HumanLoopActivationConditionsConfig,
-      context
-    );
-  }
-  if (input.HumanLoopRequestSource !== undefined) {
-    bodyParams[
-      "HumanLoopRequestSource"
-    ] = serializeAws_json1_1HumanLoopRequestSource(
-      input.HumanLoopRequestSource,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.HumanLoopActivationConditionsConfig !== undefined && {
+      HumanLoopActivationConditionsConfig: serializeAws_json1_1HumanLoopActivationConditionsConfig(
+        input.HumanLoopActivationConditionsConfig,
+        context
+      )
+    }),
+    ...(input.HumanLoopRequestSource !== undefined && {
+      HumanLoopRequestSource: serializeAws_json1_1HumanLoopRequestSource(
+        input.HumanLoopRequestSource,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1HumanLoopConfig = (
   input: HumanLoopConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.HumanTaskUiArn !== undefined) {
-    bodyParams["HumanTaskUiArn"] = input.HumanTaskUiArn;
-  }
-  if (input.PublicWorkforceTaskPrice !== undefined) {
-    bodyParams[
-      "PublicWorkforceTaskPrice"
-    ] = serializeAws_json1_1PublicWorkforceTaskPrice(
-      input.PublicWorkforceTaskPrice,
-      context
-    );
-  }
-  if (input.TaskAvailabilityLifetimeInSeconds !== undefined) {
-    bodyParams["TaskAvailabilityLifetimeInSeconds"] =
-      input.TaskAvailabilityLifetimeInSeconds;
-  }
-  if (input.TaskCount !== undefined) {
-    bodyParams["TaskCount"] = input.TaskCount;
-  }
-  if (input.TaskDescription !== undefined) {
-    bodyParams["TaskDescription"] = input.TaskDescription;
-  }
-  if (input.TaskKeywords !== undefined) {
-    bodyParams["TaskKeywords"] = serializeAws_json1_1FlowDefinitionTaskKeywords(
-      input.TaskKeywords,
-      context
-    );
-  }
-  if (input.TaskTimeLimitInSeconds !== undefined) {
-    bodyParams["TaskTimeLimitInSeconds"] = input.TaskTimeLimitInSeconds;
-  }
-  if (input.TaskTitle !== undefined) {
-    bodyParams["TaskTitle"] = input.TaskTitle;
-  }
-  if (input.WorkteamArn !== undefined) {
-    bodyParams["WorkteamArn"] = input.WorkteamArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.HumanTaskUiArn !== undefined && {
+      HumanTaskUiArn: input.HumanTaskUiArn
+    }),
+    ...(input.PublicWorkforceTaskPrice !== undefined && {
+      PublicWorkforceTaskPrice: serializeAws_json1_1PublicWorkforceTaskPrice(
+        input.PublicWorkforceTaskPrice,
+        context
+      )
+    }),
+    ...(input.TaskAvailabilityLifetimeInSeconds !== undefined && {
+      TaskAvailabilityLifetimeInSeconds: input.TaskAvailabilityLifetimeInSeconds
+    }),
+    ...(input.TaskCount !== undefined && { TaskCount: input.TaskCount }),
+    ...(input.TaskDescription !== undefined && {
+      TaskDescription: input.TaskDescription
+    }),
+    ...(input.TaskKeywords !== undefined && {
+      TaskKeywords: serializeAws_json1_1FlowDefinitionTaskKeywords(
+        input.TaskKeywords,
+        context
+      )
+    }),
+    ...(input.TaskTimeLimitInSeconds !== undefined && {
+      TaskTimeLimitInSeconds: input.TaskTimeLimitInSeconds
+    }),
+    ...(input.TaskTitle !== undefined && { TaskTitle: input.TaskTitle }),
+    ...(input.WorkteamArn !== undefined && { WorkteamArn: input.WorkteamArn })
+  };
 };
 
 const serializeAws_json1_1HumanLoopRequestSource = (
   input: HumanLoopRequestSource,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AwsManagedHumanLoopRequestSource !== undefined) {
-    bodyParams["AwsManagedHumanLoopRequestSource"] =
-      input.AwsManagedHumanLoopRequestSource;
-  }
-  return bodyParams;
-};
-
-const serializeAws_json1_1HumanTaskConfig = (
-  input: HumanTaskConfig,
-  context: __SerdeContext
-): any => {
-  const bodyParams: any = {};
-  if (input.AnnotationConsolidationConfig !== undefined) {
-    bodyParams[
-      "AnnotationConsolidationConfig"
-    ] = serializeAws_json1_1AnnotationConsolidationConfig(
-      input.AnnotationConsolidationConfig,
-      context
-    );
-  }
-  if (input.MaxConcurrentTaskCount !== undefined) {
-    bodyParams["MaxConcurrentTaskCount"] = input.MaxConcurrentTaskCount;
-  }
-  if (input.NumberOfHumanWorkersPerDataObject !== undefined) {
-    bodyParams["NumberOfHumanWorkersPerDataObject"] =
-      input.NumberOfHumanWorkersPerDataObject;
-  }
-  if (input.PreHumanTaskLambdaArn !== undefined) {
-    bodyParams["PreHumanTaskLambdaArn"] = input.PreHumanTaskLambdaArn;
-  }
-  if (input.PublicWorkforceTaskPrice !== undefined) {
-    bodyParams[
-      "PublicWorkforceTaskPrice"
-    ] = serializeAws_json1_1PublicWorkforceTaskPrice(
-      input.PublicWorkforceTaskPrice,
-      context
-    );
-  }
-  if (input.TaskAvailabilityLifetimeInSeconds !== undefined) {
-    bodyParams["TaskAvailabilityLifetimeInSeconds"] =
-      input.TaskAvailabilityLifetimeInSeconds;
-  }
-  if (input.TaskDescription !== undefined) {
-    bodyParams["TaskDescription"] = input.TaskDescription;
-  }
-  if (input.TaskKeywords !== undefined) {
-    bodyParams["TaskKeywords"] = serializeAws_json1_1TaskKeywords(
-      input.TaskKeywords,
-      context
-    );
-  }
-  if (input.TaskTimeLimitInSeconds !== undefined) {
-    bodyParams["TaskTimeLimitInSeconds"] = input.TaskTimeLimitInSeconds;
-  }
-  if (input.TaskTitle !== undefined) {
-    bodyParams["TaskTitle"] = input.TaskTitle;
-  }
-  if (input.UiConfig !== undefined) {
-    bodyParams["UiConfig"] = serializeAws_json1_1UiConfig(
-      input.UiConfig,
-      context
-    );
-  }
-  if (input.WorkteamArn !== undefined) {
-    bodyParams["WorkteamArn"] = input.WorkteamArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.AwsManagedHumanLoopRequestSource !== undefined && {
+      AwsManagedHumanLoopRequestSource: input.AwsManagedHumanLoopRequestSource
+    })
+  };
+};
+
+const serializeAws_json1_1HumanTaskConfig = (
+  input: HumanTaskConfig,
+  context: __SerdeContext
+): any => {
+  return {
+    ...(input.AnnotationConsolidationConfig !== undefined && {
+      AnnotationConsolidationConfig: serializeAws_json1_1AnnotationConsolidationConfig(
+        input.AnnotationConsolidationConfig,
+        context
+      )
+    }),
+    ...(input.MaxConcurrentTaskCount !== undefined && {
+      MaxConcurrentTaskCount: input.MaxConcurrentTaskCount
+    }),
+    ...(input.NumberOfHumanWorkersPerDataObject !== undefined && {
+      NumberOfHumanWorkersPerDataObject: input.NumberOfHumanWorkersPerDataObject
+    }),
+    ...(input.PreHumanTaskLambdaArn !== undefined && {
+      PreHumanTaskLambdaArn: input.PreHumanTaskLambdaArn
+    }),
+    ...(input.PublicWorkforceTaskPrice !== undefined && {
+      PublicWorkforceTaskPrice: serializeAws_json1_1PublicWorkforceTaskPrice(
+        input.PublicWorkforceTaskPrice,
+        context
+      )
+    }),
+    ...(input.TaskAvailabilityLifetimeInSeconds !== undefined && {
+      TaskAvailabilityLifetimeInSeconds: input.TaskAvailabilityLifetimeInSeconds
+    }),
+    ...(input.TaskDescription !== undefined && {
+      TaskDescription: input.TaskDescription
+    }),
+    ...(input.TaskKeywords !== undefined && {
+      TaskKeywords: serializeAws_json1_1TaskKeywords(
+        input.TaskKeywords,
+        context
+      )
+    }),
+    ...(input.TaskTimeLimitInSeconds !== undefined && {
+      TaskTimeLimitInSeconds: input.TaskTimeLimitInSeconds
+    }),
+    ...(input.TaskTitle !== undefined && { TaskTitle: input.TaskTitle }),
+    ...(input.UiConfig !== undefined && {
+      UiConfig: serializeAws_json1_1UiConfig(input.UiConfig, context)
+    }),
+    ...(input.WorkteamArn !== undefined && { WorkteamArn: input.WorkteamArn })
+  };
 };
 
 const serializeAws_json1_1HyperParameterAlgorithmSpecification = (
   input: HyperParameterAlgorithmSpecification,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AlgorithmName !== undefined) {
-    bodyParams["AlgorithmName"] = input.AlgorithmName;
-  }
-  if (input.MetricDefinitions !== undefined) {
-    bodyParams["MetricDefinitions"] = serializeAws_json1_1MetricDefinitionList(
-      input.MetricDefinitions,
-      context
-    );
-  }
-  if (input.TrainingImage !== undefined) {
-    bodyParams["TrainingImage"] = input.TrainingImage;
-  }
-  if (input.TrainingInputMode !== undefined) {
-    bodyParams["TrainingInputMode"] = input.TrainingInputMode;
-  }
-  return bodyParams;
+  return {
+    ...(input.AlgorithmName !== undefined && {
+      AlgorithmName: input.AlgorithmName
+    }),
+    ...(input.MetricDefinitions !== undefined && {
+      MetricDefinitions: serializeAws_json1_1MetricDefinitionList(
+        input.MetricDefinitions,
+        context
+      )
+    }),
+    ...(input.TrainingImage !== undefined && {
+      TrainingImage: input.TrainingImage
+    }),
+    ...(input.TrainingInputMode !== undefined && {
+      TrainingInputMode: input.TrainingInputMode
+    })
+  };
 };
 
 const serializeAws_json1_1HyperParameterSpecification = (
   input: HyperParameterSpecification,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DefaultValue !== undefined) {
-    bodyParams["DefaultValue"] = input.DefaultValue;
-  }
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.IsRequired !== undefined) {
-    bodyParams["IsRequired"] = input.IsRequired;
-  }
-  if (input.IsTunable !== undefined) {
-    bodyParams["IsTunable"] = input.IsTunable;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.Range !== undefined) {
-    bodyParams["Range"] = serializeAws_json1_1ParameterRange(
-      input.Range,
-      context
-    );
-  }
-  if (input.Type !== undefined) {
-    bodyParams["Type"] = input.Type;
-  }
-  return bodyParams;
+  return {
+    ...(input.DefaultValue !== undefined && {
+      DefaultValue: input.DefaultValue
+    }),
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.IsRequired !== undefined && { IsRequired: input.IsRequired }),
+    ...(input.IsTunable !== undefined && { IsTunable: input.IsTunable }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.Range !== undefined && {
+      Range: serializeAws_json1_1ParameterRange(input.Range, context)
+    }),
+    ...(input.Type !== undefined && { Type: input.Type })
+  };
 };
 
 const serializeAws_json1_1HyperParameterSpecifications = (
@@ -13716,88 +13383,79 @@ const serializeAws_json1_1HyperParameterTrainingJobDefinition = (
   input: HyperParameterTrainingJobDefinition,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AlgorithmSpecification !== undefined) {
-    bodyParams[
-      "AlgorithmSpecification"
-    ] = serializeAws_json1_1HyperParameterAlgorithmSpecification(
-      input.AlgorithmSpecification,
-      context
-    );
-  }
-  if (input.CheckpointConfig !== undefined) {
-    bodyParams["CheckpointConfig"] = serializeAws_json1_1CheckpointConfig(
-      input.CheckpointConfig,
-      context
-    );
-  }
-  if (input.DefinitionName !== undefined) {
-    bodyParams["DefinitionName"] = input.DefinitionName;
-  }
-  if (input.EnableInterContainerTrafficEncryption !== undefined) {
-    bodyParams["EnableInterContainerTrafficEncryption"] =
-      input.EnableInterContainerTrafficEncryption;
-  }
-  if (input.EnableManagedSpotTraining !== undefined) {
-    bodyParams["EnableManagedSpotTraining"] = input.EnableManagedSpotTraining;
-  }
-  if (input.EnableNetworkIsolation !== undefined) {
-    bodyParams["EnableNetworkIsolation"] = input.EnableNetworkIsolation;
-  }
-  if (input.HyperParameterRanges !== undefined) {
-    bodyParams["HyperParameterRanges"] = serializeAws_json1_1ParameterRanges(
-      input.HyperParameterRanges,
-      context
-    );
-  }
-  if (input.InputDataConfig !== undefined) {
-    bodyParams["InputDataConfig"] = serializeAws_json1_1InputDataConfig(
-      input.InputDataConfig,
-      context
-    );
-  }
-  if (input.OutputDataConfig !== undefined) {
-    bodyParams["OutputDataConfig"] = serializeAws_json1_1OutputDataConfig(
-      input.OutputDataConfig,
-      context
-    );
-  }
-  if (input.ResourceConfig !== undefined) {
-    bodyParams["ResourceConfig"] = serializeAws_json1_1ResourceConfig(
-      input.ResourceConfig,
-      context
-    );
-  }
-  if (input.RoleArn !== undefined) {
-    bodyParams["RoleArn"] = input.RoleArn;
-  }
-  if (input.StaticHyperParameters !== undefined) {
-    bodyParams["StaticHyperParameters"] = serializeAws_json1_1HyperParameters(
-      input.StaticHyperParameters,
-      context
-    );
-  }
-  if (input.StoppingCondition !== undefined) {
-    bodyParams["StoppingCondition"] = serializeAws_json1_1StoppingCondition(
-      input.StoppingCondition,
-      context
-    );
-  }
-  if (input.TuningObjective !== undefined) {
-    bodyParams[
-      "TuningObjective"
-    ] = serializeAws_json1_1HyperParameterTuningJobObjective(
-      input.TuningObjective,
-      context
-    );
-  }
-  if (input.VpcConfig !== undefined) {
-    bodyParams["VpcConfig"] = serializeAws_json1_1VpcConfig(
-      input.VpcConfig,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.AlgorithmSpecification !== undefined && {
+      AlgorithmSpecification: serializeAws_json1_1HyperParameterAlgorithmSpecification(
+        input.AlgorithmSpecification,
+        context
+      )
+    }),
+    ...(input.CheckpointConfig !== undefined && {
+      CheckpointConfig: serializeAws_json1_1CheckpointConfig(
+        input.CheckpointConfig,
+        context
+      )
+    }),
+    ...(input.DefinitionName !== undefined && {
+      DefinitionName: input.DefinitionName
+    }),
+    ...(input.EnableInterContainerTrafficEncryption !== undefined && {
+      EnableInterContainerTrafficEncryption:
+        input.EnableInterContainerTrafficEncryption
+    }),
+    ...(input.EnableManagedSpotTraining !== undefined && {
+      EnableManagedSpotTraining: input.EnableManagedSpotTraining
+    }),
+    ...(input.EnableNetworkIsolation !== undefined && {
+      EnableNetworkIsolation: input.EnableNetworkIsolation
+    }),
+    ...(input.HyperParameterRanges !== undefined && {
+      HyperParameterRanges: serializeAws_json1_1ParameterRanges(
+        input.HyperParameterRanges,
+        context
+      )
+    }),
+    ...(input.InputDataConfig !== undefined && {
+      InputDataConfig: serializeAws_json1_1InputDataConfig(
+        input.InputDataConfig,
+        context
+      )
+    }),
+    ...(input.OutputDataConfig !== undefined && {
+      OutputDataConfig: serializeAws_json1_1OutputDataConfig(
+        input.OutputDataConfig,
+        context
+      )
+    }),
+    ...(input.ResourceConfig !== undefined && {
+      ResourceConfig: serializeAws_json1_1ResourceConfig(
+        input.ResourceConfig,
+        context
+      )
+    }),
+    ...(input.RoleArn !== undefined && { RoleArn: input.RoleArn }),
+    ...(input.StaticHyperParameters !== undefined && {
+      StaticHyperParameters: serializeAws_json1_1HyperParameters(
+        input.StaticHyperParameters,
+        context
+      )
+    }),
+    ...(input.StoppingCondition !== undefined && {
+      StoppingCondition: serializeAws_json1_1StoppingCondition(
+        input.StoppingCondition,
+        context
+      )
+    }),
+    ...(input.TuningObjective !== undefined && {
+      TuningObjective: serializeAws_json1_1HyperParameterTuningJobObjective(
+        input.TuningObjective,
+        context
+      )
+    }),
+    ...(input.VpcConfig !== undefined && {
+      VpcConfig: serializeAws_json1_1VpcConfig(input.VpcConfig, context)
+    })
+  };
 };
 
 const serializeAws_json1_1HyperParameterTrainingJobDefinitions = (
@@ -13813,57 +13471,46 @@ const serializeAws_json1_1HyperParameterTuningJobConfig = (
   input: HyperParameterTuningJobConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.HyperParameterTuningJobObjective !== undefined) {
-    bodyParams[
-      "HyperParameterTuningJobObjective"
-    ] = serializeAws_json1_1HyperParameterTuningJobObjective(
-      input.HyperParameterTuningJobObjective,
-      context
-    );
-  }
-  if (input.ParameterRanges !== undefined) {
-    bodyParams["ParameterRanges"] = serializeAws_json1_1ParameterRanges(
-      input.ParameterRanges,
-      context
-    );
-  }
-  if (input.ResourceLimits !== undefined) {
-    bodyParams["ResourceLimits"] = serializeAws_json1_1ResourceLimits(
-      input.ResourceLimits,
-      context
-    );
-  }
-  if (input.Strategy !== undefined) {
-    bodyParams["Strategy"] = input.Strategy;
-  }
-  if (input.TrainingJobEarlyStoppingType !== undefined) {
-    bodyParams["TrainingJobEarlyStoppingType"] =
-      input.TrainingJobEarlyStoppingType;
-  }
-  if (input.TuningJobCompletionCriteria !== undefined) {
-    bodyParams[
-      "TuningJobCompletionCriteria"
-    ] = serializeAws_json1_1TuningJobCompletionCriteria(
-      input.TuningJobCompletionCriteria,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.HyperParameterTuningJobObjective !== undefined && {
+      HyperParameterTuningJobObjective: serializeAws_json1_1HyperParameterTuningJobObjective(
+        input.HyperParameterTuningJobObjective,
+        context
+      )
+    }),
+    ...(input.ParameterRanges !== undefined && {
+      ParameterRanges: serializeAws_json1_1ParameterRanges(
+        input.ParameterRanges,
+        context
+      )
+    }),
+    ...(input.ResourceLimits !== undefined && {
+      ResourceLimits: serializeAws_json1_1ResourceLimits(
+        input.ResourceLimits,
+        context
+      )
+    }),
+    ...(input.Strategy !== undefined && { Strategy: input.Strategy }),
+    ...(input.TrainingJobEarlyStoppingType !== undefined && {
+      TrainingJobEarlyStoppingType: input.TrainingJobEarlyStoppingType
+    }),
+    ...(input.TuningJobCompletionCriteria !== undefined && {
+      TuningJobCompletionCriteria: serializeAws_json1_1TuningJobCompletionCriteria(
+        input.TuningJobCompletionCriteria,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1HyperParameterTuningJobObjective = (
   input: HyperParameterTuningJobObjective,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MetricName !== undefined) {
-    bodyParams["MetricName"] = input.MetricName;
-  }
-  if (input.Type !== undefined) {
-    bodyParams["Type"] = input.Type;
-  }
-  return bodyParams;
+  return {
+    ...(input.MetricName !== undefined && { MetricName: input.MetricName }),
+    ...(input.Type !== undefined && { Type: input.Type })
+  };
 };
 
 const serializeAws_json1_1HyperParameterTuningJobObjectives = (
@@ -13879,19 +13526,17 @@ const serializeAws_json1_1HyperParameterTuningJobWarmStartConfig = (
   input: HyperParameterTuningJobWarmStartConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ParentHyperParameterTuningJobs !== undefined) {
-    bodyParams[
-      "ParentHyperParameterTuningJobs"
-    ] = serializeAws_json1_1ParentHyperParameterTuningJobs(
-      input.ParentHyperParameterTuningJobs,
-      context
-    );
-  }
-  if (input.WarmStartType !== undefined) {
-    bodyParams["WarmStartType"] = input.WarmStartType;
-  }
-  return bodyParams;
+  return {
+    ...(input.ParentHyperParameterTuningJobs !== undefined && {
+      ParentHyperParameterTuningJobs: serializeAws_json1_1ParentHyperParameterTuningJobs(
+        input.ParentHyperParameterTuningJobs,
+        context
+      )
+    }),
+    ...(input.WarmStartType !== undefined && {
+      WarmStartType: input.WarmStartType
+    })
+  };
 };
 
 const serializeAws_json1_1HyperParameters = (
@@ -13908,63 +13553,51 @@ const serializeAws_json1_1InferenceSpecification = (
   input: InferenceSpecification,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Containers !== undefined) {
-    bodyParams[
-      "Containers"
-    ] = serializeAws_json1_1ModelPackageContainerDefinitionList(
-      input.Containers,
-      context
-    );
-  }
-  if (input.SupportedContentTypes !== undefined) {
-    bodyParams["SupportedContentTypes"] = serializeAws_json1_1ContentTypes(
-      input.SupportedContentTypes,
-      context
-    );
-  }
-  if (input.SupportedRealtimeInferenceInstanceTypes !== undefined) {
-    bodyParams[
-      "SupportedRealtimeInferenceInstanceTypes"
-    ] = serializeAws_json1_1RealtimeInferenceInstanceTypes(
-      input.SupportedRealtimeInferenceInstanceTypes,
-      context
-    );
-  }
-  if (input.SupportedResponseMIMETypes !== undefined) {
-    bodyParams[
-      "SupportedResponseMIMETypes"
-    ] = serializeAws_json1_1ResponseMIMETypes(
-      input.SupportedResponseMIMETypes,
-      context
-    );
-  }
-  if (input.SupportedTransformInstanceTypes !== undefined) {
-    bodyParams[
-      "SupportedTransformInstanceTypes"
-    ] = serializeAws_json1_1TransformInstanceTypes(
-      input.SupportedTransformInstanceTypes,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Containers !== undefined && {
+      Containers: serializeAws_json1_1ModelPackageContainerDefinitionList(
+        input.Containers,
+        context
+      )
+    }),
+    ...(input.SupportedContentTypes !== undefined && {
+      SupportedContentTypes: serializeAws_json1_1ContentTypes(
+        input.SupportedContentTypes,
+        context
+      )
+    }),
+    ...(input.SupportedRealtimeInferenceInstanceTypes !== undefined && {
+      SupportedRealtimeInferenceInstanceTypes: serializeAws_json1_1RealtimeInferenceInstanceTypes(
+        input.SupportedRealtimeInferenceInstanceTypes,
+        context
+      )
+    }),
+    ...(input.SupportedResponseMIMETypes !== undefined && {
+      SupportedResponseMIMETypes: serializeAws_json1_1ResponseMIMETypes(
+        input.SupportedResponseMIMETypes,
+        context
+      )
+    }),
+    ...(input.SupportedTransformInstanceTypes !== undefined && {
+      SupportedTransformInstanceTypes: serializeAws_json1_1TransformInstanceTypes(
+        input.SupportedTransformInstanceTypes,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1InputConfig = (
   input: InputConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DataInputConfig !== undefined) {
-    bodyParams["DataInputConfig"] = input.DataInputConfig;
-  }
-  if (input.Framework !== undefined) {
-    bodyParams["Framework"] = input.Framework;
-  }
-  if (input.S3Uri !== undefined) {
-    bodyParams["S3Uri"] = input.S3Uri;
-  }
-  return bodyParams;
+  return {
+    ...(input.DataInputConfig !== undefined && {
+      DataInputConfig: input.DataInputConfig
+    }),
+    ...(input.Framework !== undefined && { Framework: input.Framework }),
+    ...(input.S3Uri !== undefined && { S3Uri: input.S3Uri })
+  };
 };
 
 const serializeAws_json1_1InputDataConfig = (
@@ -13985,34 +13618,22 @@ const serializeAws_json1_1IntegerParameterRange = (
   input: IntegerParameterRange,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxValue !== undefined) {
-    bodyParams["MaxValue"] = input.MaxValue;
-  }
-  if (input.MinValue !== undefined) {
-    bodyParams["MinValue"] = input.MinValue;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.ScalingType !== undefined) {
-    bodyParams["ScalingType"] = input.ScalingType;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxValue !== undefined && { MaxValue: input.MaxValue }),
+    ...(input.MinValue !== undefined && { MinValue: input.MinValue }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.ScalingType !== undefined && { ScalingType: input.ScalingType })
+  };
 };
 
 const serializeAws_json1_1IntegerParameterRangeSpecification = (
   input: IntegerParameterRangeSpecification,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxValue !== undefined) {
-    bodyParams["MaxValue"] = input.MaxValue;
-  }
-  if (input.MinValue !== undefined) {
-    bodyParams["MinValue"] = input.MinValue;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxValue !== undefined && { MaxValue: input.MaxValue }),
+    ...(input.MinValue !== undefined && { MinValue: input.MinValue })
+  };
 };
 
 const serializeAws_json1_1IntegerParameterRanges = (
@@ -14035,1155 +13656,855 @@ const serializeAws_json1_1JupyterServerAppSettings = (
   input: JupyterServerAppSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DefaultResourceSpec !== undefined) {
-    bodyParams["DefaultResourceSpec"] = serializeAws_json1_1ResourceSpec(
-      input.DefaultResourceSpec,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.DefaultResourceSpec !== undefined && {
+      DefaultResourceSpec: serializeAws_json1_1ResourceSpec(
+        input.DefaultResourceSpec,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1KernelGatewayAppSettings = (
   input: KernelGatewayAppSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DefaultResourceSpec !== undefined) {
-    bodyParams["DefaultResourceSpec"] = serializeAws_json1_1ResourceSpec(
-      input.DefaultResourceSpec,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.DefaultResourceSpec !== undefined && {
+      DefaultResourceSpec: serializeAws_json1_1ResourceSpec(
+        input.DefaultResourceSpec,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1LabelingJobAlgorithmsConfig = (
   input: LabelingJobAlgorithmsConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.InitialActiveLearningModelArn !== undefined) {
-    bodyParams["InitialActiveLearningModelArn"] =
-      input.InitialActiveLearningModelArn;
-  }
-  if (input.LabelingJobAlgorithmSpecificationArn !== undefined) {
-    bodyParams["LabelingJobAlgorithmSpecificationArn"] =
-      input.LabelingJobAlgorithmSpecificationArn;
-  }
-  if (input.LabelingJobResourceConfig !== undefined) {
-    bodyParams[
-      "LabelingJobResourceConfig"
-    ] = serializeAws_json1_1LabelingJobResourceConfig(
-      input.LabelingJobResourceConfig,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.InitialActiveLearningModelArn !== undefined && {
+      InitialActiveLearningModelArn: input.InitialActiveLearningModelArn
+    }),
+    ...(input.LabelingJobAlgorithmSpecificationArn !== undefined && {
+      LabelingJobAlgorithmSpecificationArn:
+        input.LabelingJobAlgorithmSpecificationArn
+    }),
+    ...(input.LabelingJobResourceConfig !== undefined && {
+      LabelingJobResourceConfig: serializeAws_json1_1LabelingJobResourceConfig(
+        input.LabelingJobResourceConfig,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1LabelingJobDataAttributes = (
   input: LabelingJobDataAttributes,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ContentClassifiers !== undefined) {
-    bodyParams["ContentClassifiers"] = serializeAws_json1_1ContentClassifiers(
-      input.ContentClassifiers,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ContentClassifiers !== undefined && {
+      ContentClassifiers: serializeAws_json1_1ContentClassifiers(
+        input.ContentClassifiers,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1LabelingJobDataSource = (
   input: LabelingJobDataSource,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.S3DataSource !== undefined) {
-    bodyParams["S3DataSource"] = serializeAws_json1_1LabelingJobS3DataSource(
-      input.S3DataSource,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.S3DataSource !== undefined && {
+      S3DataSource: serializeAws_json1_1LabelingJobS3DataSource(
+        input.S3DataSource,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1LabelingJobInputConfig = (
   input: LabelingJobInputConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DataAttributes !== undefined) {
-    bodyParams[
-      "DataAttributes"
-    ] = serializeAws_json1_1LabelingJobDataAttributes(
-      input.DataAttributes,
-      context
-    );
-  }
-  if (input.DataSource !== undefined) {
-    bodyParams["DataSource"] = serializeAws_json1_1LabelingJobDataSource(
-      input.DataSource,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.DataAttributes !== undefined && {
+      DataAttributes: serializeAws_json1_1LabelingJobDataAttributes(
+        input.DataAttributes,
+        context
+      )
+    }),
+    ...(input.DataSource !== undefined && {
+      DataSource: serializeAws_json1_1LabelingJobDataSource(
+        input.DataSource,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1LabelingJobOutputConfig = (
   input: LabelingJobOutputConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.KmsKeyId !== undefined) {
-    bodyParams["KmsKeyId"] = input.KmsKeyId;
-  }
-  if (input.S3OutputPath !== undefined) {
-    bodyParams["S3OutputPath"] = input.S3OutputPath;
-  }
-  return bodyParams;
+  return {
+    ...(input.KmsKeyId !== undefined && { KmsKeyId: input.KmsKeyId }),
+    ...(input.S3OutputPath !== undefined && {
+      S3OutputPath: input.S3OutputPath
+    })
+  };
 };
 
 const serializeAws_json1_1LabelingJobResourceConfig = (
   input: LabelingJobResourceConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.VolumeKmsKeyId !== undefined) {
-    bodyParams["VolumeKmsKeyId"] = input.VolumeKmsKeyId;
-  }
-  return bodyParams;
+  return {
+    ...(input.VolumeKmsKeyId !== undefined && {
+      VolumeKmsKeyId: input.VolumeKmsKeyId
+    })
+  };
 };
 
 const serializeAws_json1_1LabelingJobS3DataSource = (
   input: LabelingJobS3DataSource,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ManifestS3Uri !== undefined) {
-    bodyParams["ManifestS3Uri"] = input.ManifestS3Uri;
-  }
-  return bodyParams;
+  return {
+    ...(input.ManifestS3Uri !== undefined && {
+      ManifestS3Uri: input.ManifestS3Uri
+    })
+  };
 };
 
 const serializeAws_json1_1LabelingJobStoppingConditions = (
   input: LabelingJobStoppingConditions,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxHumanLabeledObjectCount !== undefined) {
-    bodyParams["MaxHumanLabeledObjectCount"] = input.MaxHumanLabeledObjectCount;
-  }
-  if (input.MaxPercentageOfInputDatasetLabeled !== undefined) {
-    bodyParams["MaxPercentageOfInputDatasetLabeled"] =
-      input.MaxPercentageOfInputDatasetLabeled;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxHumanLabeledObjectCount !== undefined && {
+      MaxHumanLabeledObjectCount: input.MaxHumanLabeledObjectCount
+    }),
+    ...(input.MaxPercentageOfInputDatasetLabeled !== undefined && {
+      MaxPercentageOfInputDatasetLabeled:
+        input.MaxPercentageOfInputDatasetLabeled
+    })
+  };
 };
 
 const serializeAws_json1_1ListAlgorithmsInput = (
   input: ListAlgorithmsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CreationTimeAfter !== undefined) {
-    bodyParams["CreationTimeAfter"] = Math.round(
-      input.CreationTimeAfter.getTime() / 1000
-    );
-  }
-  if (input.CreationTimeBefore !== undefined) {
-    bodyParams["CreationTimeBefore"] = Math.round(
-      input.CreationTimeBefore.getTime() / 1000
-    );
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NameContains !== undefined) {
-    bodyParams["NameContains"] = input.NameContains;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.SortBy !== undefined) {
-    bodyParams["SortBy"] = input.SortBy;
-  }
-  if (input.SortOrder !== undefined) {
-    bodyParams["SortOrder"] = input.SortOrder;
-  }
-  return bodyParams;
+  return {
+    ...(input.CreationTimeAfter !== undefined && {
+      CreationTimeAfter: Math.round(input.CreationTimeAfter.getTime() / 1000)
+    }),
+    ...(input.CreationTimeBefore !== undefined && {
+      CreationTimeBefore: Math.round(input.CreationTimeBefore.getTime() / 1000)
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NameContains !== undefined && {
+      NameContains: input.NameContains
+    }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.SortBy !== undefined && { SortBy: input.SortBy }),
+    ...(input.SortOrder !== undefined && { SortOrder: input.SortOrder })
+  };
 };
 
 const serializeAws_json1_1ListAppsRequest = (
   input: ListAppsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DomainIdEquals !== undefined) {
-    bodyParams["DomainIdEquals"] = input.DomainIdEquals;
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.SortBy !== undefined) {
-    bodyParams["SortBy"] = input.SortBy;
-  }
-  if (input.SortOrder !== undefined) {
-    bodyParams["SortOrder"] = input.SortOrder;
-  }
-  if (input.UserProfileNameEquals !== undefined) {
-    bodyParams["UserProfileNameEquals"] = input.UserProfileNameEquals;
-  }
-  return bodyParams;
+  return {
+    ...(input.DomainIdEquals !== undefined && {
+      DomainIdEquals: input.DomainIdEquals
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.SortBy !== undefined && { SortBy: input.SortBy }),
+    ...(input.SortOrder !== undefined && { SortOrder: input.SortOrder }),
+    ...(input.UserProfileNameEquals !== undefined && {
+      UserProfileNameEquals: input.UserProfileNameEquals
+    })
+  };
 };
 
 const serializeAws_json1_1ListAutoMLJobsRequest = (
   input: ListAutoMLJobsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CreationTimeAfter !== undefined) {
-    bodyParams["CreationTimeAfter"] = Math.round(
-      input.CreationTimeAfter.getTime() / 1000
-    );
-  }
-  if (input.CreationTimeBefore !== undefined) {
-    bodyParams["CreationTimeBefore"] = Math.round(
-      input.CreationTimeBefore.getTime() / 1000
-    );
-  }
-  if (input.LastModifiedTimeAfter !== undefined) {
-    bodyParams["LastModifiedTimeAfter"] = Math.round(
-      input.LastModifiedTimeAfter.getTime() / 1000
-    );
-  }
-  if (input.LastModifiedTimeBefore !== undefined) {
-    bodyParams["LastModifiedTimeBefore"] = Math.round(
-      input.LastModifiedTimeBefore.getTime() / 1000
-    );
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NameContains !== undefined) {
-    bodyParams["NameContains"] = input.NameContains;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.SortBy !== undefined) {
-    bodyParams["SortBy"] = input.SortBy;
-  }
-  if (input.SortOrder !== undefined) {
-    bodyParams["SortOrder"] = input.SortOrder;
-  }
-  if (input.StatusEquals !== undefined) {
-    bodyParams["StatusEquals"] = input.StatusEquals;
-  }
-  return bodyParams;
+  return {
+    ...(input.CreationTimeAfter !== undefined && {
+      CreationTimeAfter: Math.round(input.CreationTimeAfter.getTime() / 1000)
+    }),
+    ...(input.CreationTimeBefore !== undefined && {
+      CreationTimeBefore: Math.round(input.CreationTimeBefore.getTime() / 1000)
+    }),
+    ...(input.LastModifiedTimeAfter !== undefined && {
+      LastModifiedTimeAfter: Math.round(
+        input.LastModifiedTimeAfter.getTime() / 1000
+      )
+    }),
+    ...(input.LastModifiedTimeBefore !== undefined && {
+      LastModifiedTimeBefore: Math.round(
+        input.LastModifiedTimeBefore.getTime() / 1000
+      )
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NameContains !== undefined && {
+      NameContains: input.NameContains
+    }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.SortBy !== undefined && { SortBy: input.SortBy }),
+    ...(input.SortOrder !== undefined && { SortOrder: input.SortOrder }),
+    ...(input.StatusEquals !== undefined && {
+      StatusEquals: input.StatusEquals
+    })
+  };
 };
 
 const serializeAws_json1_1ListCandidatesForAutoMLJobRequest = (
   input: ListCandidatesForAutoMLJobRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AutoMLJobName !== undefined) {
-    bodyParams["AutoMLJobName"] = input.AutoMLJobName;
-  }
-  if (input.CandidateNameEquals !== undefined) {
-    bodyParams["CandidateNameEquals"] = input.CandidateNameEquals;
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.SortBy !== undefined) {
-    bodyParams["SortBy"] = input.SortBy;
-  }
-  if (input.SortOrder !== undefined) {
-    bodyParams["SortOrder"] = input.SortOrder;
-  }
-  if (input.StatusEquals !== undefined) {
-    bodyParams["StatusEquals"] = input.StatusEquals;
-  }
-  return bodyParams;
+  return {
+    ...(input.AutoMLJobName !== undefined && {
+      AutoMLJobName: input.AutoMLJobName
+    }),
+    ...(input.CandidateNameEquals !== undefined && {
+      CandidateNameEquals: input.CandidateNameEquals
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.SortBy !== undefined && { SortBy: input.SortBy }),
+    ...(input.SortOrder !== undefined && { SortOrder: input.SortOrder }),
+    ...(input.StatusEquals !== undefined && {
+      StatusEquals: input.StatusEquals
+    })
+  };
 };
 
 const serializeAws_json1_1ListCodeRepositoriesInput = (
   input: ListCodeRepositoriesInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CreationTimeAfter !== undefined) {
-    bodyParams["CreationTimeAfter"] = Math.round(
-      input.CreationTimeAfter.getTime() / 1000
-    );
-  }
-  if (input.CreationTimeBefore !== undefined) {
-    bodyParams["CreationTimeBefore"] = Math.round(
-      input.CreationTimeBefore.getTime() / 1000
-    );
-  }
-  if (input.LastModifiedTimeAfter !== undefined) {
-    bodyParams["LastModifiedTimeAfter"] = Math.round(
-      input.LastModifiedTimeAfter.getTime() / 1000
-    );
-  }
-  if (input.LastModifiedTimeBefore !== undefined) {
-    bodyParams["LastModifiedTimeBefore"] = Math.round(
-      input.LastModifiedTimeBefore.getTime() / 1000
-    );
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NameContains !== undefined) {
-    bodyParams["NameContains"] = input.NameContains;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.SortBy !== undefined) {
-    bodyParams["SortBy"] = input.SortBy;
-  }
-  if (input.SortOrder !== undefined) {
-    bodyParams["SortOrder"] = input.SortOrder;
-  }
-  return bodyParams;
+  return {
+    ...(input.CreationTimeAfter !== undefined && {
+      CreationTimeAfter: Math.round(input.CreationTimeAfter.getTime() / 1000)
+    }),
+    ...(input.CreationTimeBefore !== undefined && {
+      CreationTimeBefore: Math.round(input.CreationTimeBefore.getTime() / 1000)
+    }),
+    ...(input.LastModifiedTimeAfter !== undefined && {
+      LastModifiedTimeAfter: Math.round(
+        input.LastModifiedTimeAfter.getTime() / 1000
+      )
+    }),
+    ...(input.LastModifiedTimeBefore !== undefined && {
+      LastModifiedTimeBefore: Math.round(
+        input.LastModifiedTimeBefore.getTime() / 1000
+      )
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NameContains !== undefined && {
+      NameContains: input.NameContains
+    }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.SortBy !== undefined && { SortBy: input.SortBy }),
+    ...(input.SortOrder !== undefined && { SortOrder: input.SortOrder })
+  };
 };
 
 const serializeAws_json1_1ListCompilationJobsRequest = (
   input: ListCompilationJobsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CreationTimeAfter !== undefined) {
-    bodyParams["CreationTimeAfter"] = Math.round(
-      input.CreationTimeAfter.getTime() / 1000
-    );
-  }
-  if (input.CreationTimeBefore !== undefined) {
-    bodyParams["CreationTimeBefore"] = Math.round(
-      input.CreationTimeBefore.getTime() / 1000
-    );
-  }
-  if (input.LastModifiedTimeAfter !== undefined) {
-    bodyParams["LastModifiedTimeAfter"] = Math.round(
-      input.LastModifiedTimeAfter.getTime() / 1000
-    );
-  }
-  if (input.LastModifiedTimeBefore !== undefined) {
-    bodyParams["LastModifiedTimeBefore"] = Math.round(
-      input.LastModifiedTimeBefore.getTime() / 1000
-    );
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NameContains !== undefined) {
-    bodyParams["NameContains"] = input.NameContains;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.SortBy !== undefined) {
-    bodyParams["SortBy"] = input.SortBy;
-  }
-  if (input.SortOrder !== undefined) {
-    bodyParams["SortOrder"] = input.SortOrder;
-  }
-  if (input.StatusEquals !== undefined) {
-    bodyParams["StatusEquals"] = input.StatusEquals;
-  }
-  return bodyParams;
+  return {
+    ...(input.CreationTimeAfter !== undefined && {
+      CreationTimeAfter: Math.round(input.CreationTimeAfter.getTime() / 1000)
+    }),
+    ...(input.CreationTimeBefore !== undefined && {
+      CreationTimeBefore: Math.round(input.CreationTimeBefore.getTime() / 1000)
+    }),
+    ...(input.LastModifiedTimeAfter !== undefined && {
+      LastModifiedTimeAfter: Math.round(
+        input.LastModifiedTimeAfter.getTime() / 1000
+      )
+    }),
+    ...(input.LastModifiedTimeBefore !== undefined && {
+      LastModifiedTimeBefore: Math.round(
+        input.LastModifiedTimeBefore.getTime() / 1000
+      )
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NameContains !== undefined && {
+      NameContains: input.NameContains
+    }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.SortBy !== undefined && { SortBy: input.SortBy }),
+    ...(input.SortOrder !== undefined && { SortOrder: input.SortOrder }),
+    ...(input.StatusEquals !== undefined && {
+      StatusEquals: input.StatusEquals
+    })
+  };
 };
 
 const serializeAws_json1_1ListDomainsRequest = (
   input: ListDomainsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1ListEndpointConfigsInput = (
   input: ListEndpointConfigsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CreationTimeAfter !== undefined) {
-    bodyParams["CreationTimeAfter"] = Math.round(
-      input.CreationTimeAfter.getTime() / 1000
-    );
-  }
-  if (input.CreationTimeBefore !== undefined) {
-    bodyParams["CreationTimeBefore"] = Math.round(
-      input.CreationTimeBefore.getTime() / 1000
-    );
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NameContains !== undefined) {
-    bodyParams["NameContains"] = input.NameContains;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.SortBy !== undefined) {
-    bodyParams["SortBy"] = input.SortBy;
-  }
-  if (input.SortOrder !== undefined) {
-    bodyParams["SortOrder"] = input.SortOrder;
-  }
-  return bodyParams;
+  return {
+    ...(input.CreationTimeAfter !== undefined && {
+      CreationTimeAfter: Math.round(input.CreationTimeAfter.getTime() / 1000)
+    }),
+    ...(input.CreationTimeBefore !== undefined && {
+      CreationTimeBefore: Math.round(input.CreationTimeBefore.getTime() / 1000)
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NameContains !== undefined && {
+      NameContains: input.NameContains
+    }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.SortBy !== undefined && { SortBy: input.SortBy }),
+    ...(input.SortOrder !== undefined && { SortOrder: input.SortOrder })
+  };
 };
 
 const serializeAws_json1_1ListEndpointsInput = (
   input: ListEndpointsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CreationTimeAfter !== undefined) {
-    bodyParams["CreationTimeAfter"] = Math.round(
-      input.CreationTimeAfter.getTime() / 1000
-    );
-  }
-  if (input.CreationTimeBefore !== undefined) {
-    bodyParams["CreationTimeBefore"] = Math.round(
-      input.CreationTimeBefore.getTime() / 1000
-    );
-  }
-  if (input.LastModifiedTimeAfter !== undefined) {
-    bodyParams["LastModifiedTimeAfter"] = Math.round(
-      input.LastModifiedTimeAfter.getTime() / 1000
-    );
-  }
-  if (input.LastModifiedTimeBefore !== undefined) {
-    bodyParams["LastModifiedTimeBefore"] = Math.round(
-      input.LastModifiedTimeBefore.getTime() / 1000
-    );
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NameContains !== undefined) {
-    bodyParams["NameContains"] = input.NameContains;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.SortBy !== undefined) {
-    bodyParams["SortBy"] = input.SortBy;
-  }
-  if (input.SortOrder !== undefined) {
-    bodyParams["SortOrder"] = input.SortOrder;
-  }
-  if (input.StatusEquals !== undefined) {
-    bodyParams["StatusEquals"] = input.StatusEquals;
-  }
-  return bodyParams;
+  return {
+    ...(input.CreationTimeAfter !== undefined && {
+      CreationTimeAfter: Math.round(input.CreationTimeAfter.getTime() / 1000)
+    }),
+    ...(input.CreationTimeBefore !== undefined && {
+      CreationTimeBefore: Math.round(input.CreationTimeBefore.getTime() / 1000)
+    }),
+    ...(input.LastModifiedTimeAfter !== undefined && {
+      LastModifiedTimeAfter: Math.round(
+        input.LastModifiedTimeAfter.getTime() / 1000
+      )
+    }),
+    ...(input.LastModifiedTimeBefore !== undefined && {
+      LastModifiedTimeBefore: Math.round(
+        input.LastModifiedTimeBefore.getTime() / 1000
+      )
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NameContains !== undefined && {
+      NameContains: input.NameContains
+    }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.SortBy !== undefined && { SortBy: input.SortBy }),
+    ...(input.SortOrder !== undefined && { SortOrder: input.SortOrder }),
+    ...(input.StatusEquals !== undefined && {
+      StatusEquals: input.StatusEquals
+    })
+  };
 };
 
 const serializeAws_json1_1ListExperimentsRequest = (
   input: ListExperimentsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CreatedAfter !== undefined) {
-    bodyParams["CreatedAfter"] = Math.round(
-      input.CreatedAfter.getTime() / 1000
-    );
-  }
-  if (input.CreatedBefore !== undefined) {
-    bodyParams["CreatedBefore"] = Math.round(
-      input.CreatedBefore.getTime() / 1000
-    );
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.SortBy !== undefined) {
-    bodyParams["SortBy"] = input.SortBy;
-  }
-  if (input.SortOrder !== undefined) {
-    bodyParams["SortOrder"] = input.SortOrder;
-  }
-  return bodyParams;
+  return {
+    ...(input.CreatedAfter !== undefined && {
+      CreatedAfter: Math.round(input.CreatedAfter.getTime() / 1000)
+    }),
+    ...(input.CreatedBefore !== undefined && {
+      CreatedBefore: Math.round(input.CreatedBefore.getTime() / 1000)
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.SortBy !== undefined && { SortBy: input.SortBy }),
+    ...(input.SortOrder !== undefined && { SortOrder: input.SortOrder })
+  };
 };
 
 const serializeAws_json1_1ListFlowDefinitionsRequest = (
   input: ListFlowDefinitionsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CreationTimeAfter !== undefined) {
-    bodyParams["CreationTimeAfter"] = Math.round(
-      input.CreationTimeAfter.getTime() / 1000
-    );
-  }
-  if (input.CreationTimeBefore !== undefined) {
-    bodyParams["CreationTimeBefore"] = Math.round(
-      input.CreationTimeBefore.getTime() / 1000
-    );
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.SortOrder !== undefined) {
-    bodyParams["SortOrder"] = input.SortOrder;
-  }
-  return bodyParams;
+  return {
+    ...(input.CreationTimeAfter !== undefined && {
+      CreationTimeAfter: Math.round(input.CreationTimeAfter.getTime() / 1000)
+    }),
+    ...(input.CreationTimeBefore !== undefined && {
+      CreationTimeBefore: Math.round(input.CreationTimeBefore.getTime() / 1000)
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.SortOrder !== undefined && { SortOrder: input.SortOrder })
+  };
 };
 
 const serializeAws_json1_1ListHumanTaskUisRequest = (
   input: ListHumanTaskUisRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CreationTimeAfter !== undefined) {
-    bodyParams["CreationTimeAfter"] = Math.round(
-      input.CreationTimeAfter.getTime() / 1000
-    );
-  }
-  if (input.CreationTimeBefore !== undefined) {
-    bodyParams["CreationTimeBefore"] = Math.round(
-      input.CreationTimeBefore.getTime() / 1000
-    );
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.SortOrder !== undefined) {
-    bodyParams["SortOrder"] = input.SortOrder;
-  }
-  return bodyParams;
+  return {
+    ...(input.CreationTimeAfter !== undefined && {
+      CreationTimeAfter: Math.round(input.CreationTimeAfter.getTime() / 1000)
+    }),
+    ...(input.CreationTimeBefore !== undefined && {
+      CreationTimeBefore: Math.round(input.CreationTimeBefore.getTime() / 1000)
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.SortOrder !== undefined && { SortOrder: input.SortOrder })
+  };
 };
 
 const serializeAws_json1_1ListHyperParameterTuningJobsRequest = (
   input: ListHyperParameterTuningJobsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CreationTimeAfter !== undefined) {
-    bodyParams["CreationTimeAfter"] = Math.round(
-      input.CreationTimeAfter.getTime() / 1000
-    );
-  }
-  if (input.CreationTimeBefore !== undefined) {
-    bodyParams["CreationTimeBefore"] = Math.round(
-      input.CreationTimeBefore.getTime() / 1000
-    );
-  }
-  if (input.LastModifiedTimeAfter !== undefined) {
-    bodyParams["LastModifiedTimeAfter"] = Math.round(
-      input.LastModifiedTimeAfter.getTime() / 1000
-    );
-  }
-  if (input.LastModifiedTimeBefore !== undefined) {
-    bodyParams["LastModifiedTimeBefore"] = Math.round(
-      input.LastModifiedTimeBefore.getTime() / 1000
-    );
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NameContains !== undefined) {
-    bodyParams["NameContains"] = input.NameContains;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.SortBy !== undefined) {
-    bodyParams["SortBy"] = input.SortBy;
-  }
-  if (input.SortOrder !== undefined) {
-    bodyParams["SortOrder"] = input.SortOrder;
-  }
-  if (input.StatusEquals !== undefined) {
-    bodyParams["StatusEquals"] = input.StatusEquals;
-  }
-  return bodyParams;
+  return {
+    ...(input.CreationTimeAfter !== undefined && {
+      CreationTimeAfter: Math.round(input.CreationTimeAfter.getTime() / 1000)
+    }),
+    ...(input.CreationTimeBefore !== undefined && {
+      CreationTimeBefore: Math.round(input.CreationTimeBefore.getTime() / 1000)
+    }),
+    ...(input.LastModifiedTimeAfter !== undefined && {
+      LastModifiedTimeAfter: Math.round(
+        input.LastModifiedTimeAfter.getTime() / 1000
+      )
+    }),
+    ...(input.LastModifiedTimeBefore !== undefined && {
+      LastModifiedTimeBefore: Math.round(
+        input.LastModifiedTimeBefore.getTime() / 1000
+      )
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NameContains !== undefined && {
+      NameContains: input.NameContains
+    }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.SortBy !== undefined && { SortBy: input.SortBy }),
+    ...(input.SortOrder !== undefined && { SortOrder: input.SortOrder }),
+    ...(input.StatusEquals !== undefined && {
+      StatusEquals: input.StatusEquals
+    })
+  };
 };
 
 const serializeAws_json1_1ListLabelingJobsForWorkteamRequest = (
   input: ListLabelingJobsForWorkteamRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CreationTimeAfter !== undefined) {
-    bodyParams["CreationTimeAfter"] = Math.round(
-      input.CreationTimeAfter.getTime() / 1000
-    );
-  }
-  if (input.CreationTimeBefore !== undefined) {
-    bodyParams["CreationTimeBefore"] = Math.round(
-      input.CreationTimeBefore.getTime() / 1000
-    );
-  }
-  if (input.JobReferenceCodeContains !== undefined) {
-    bodyParams["JobReferenceCodeContains"] = input.JobReferenceCodeContains;
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.SortBy !== undefined) {
-    bodyParams["SortBy"] = input.SortBy;
-  }
-  if (input.SortOrder !== undefined) {
-    bodyParams["SortOrder"] = input.SortOrder;
-  }
-  if (input.WorkteamArn !== undefined) {
-    bodyParams["WorkteamArn"] = input.WorkteamArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.CreationTimeAfter !== undefined && {
+      CreationTimeAfter: Math.round(input.CreationTimeAfter.getTime() / 1000)
+    }),
+    ...(input.CreationTimeBefore !== undefined && {
+      CreationTimeBefore: Math.round(input.CreationTimeBefore.getTime() / 1000)
+    }),
+    ...(input.JobReferenceCodeContains !== undefined && {
+      JobReferenceCodeContains: input.JobReferenceCodeContains
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.SortBy !== undefined && { SortBy: input.SortBy }),
+    ...(input.SortOrder !== undefined && { SortOrder: input.SortOrder }),
+    ...(input.WorkteamArn !== undefined && { WorkteamArn: input.WorkteamArn })
+  };
 };
 
 const serializeAws_json1_1ListLabelingJobsRequest = (
   input: ListLabelingJobsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CreationTimeAfter !== undefined) {
-    bodyParams["CreationTimeAfter"] = Math.round(
-      input.CreationTimeAfter.getTime() / 1000
-    );
-  }
-  if (input.CreationTimeBefore !== undefined) {
-    bodyParams["CreationTimeBefore"] = Math.round(
-      input.CreationTimeBefore.getTime() / 1000
-    );
-  }
-  if (input.LastModifiedTimeAfter !== undefined) {
-    bodyParams["LastModifiedTimeAfter"] = Math.round(
-      input.LastModifiedTimeAfter.getTime() / 1000
-    );
-  }
-  if (input.LastModifiedTimeBefore !== undefined) {
-    bodyParams["LastModifiedTimeBefore"] = Math.round(
-      input.LastModifiedTimeBefore.getTime() / 1000
-    );
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NameContains !== undefined) {
-    bodyParams["NameContains"] = input.NameContains;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.SortBy !== undefined) {
-    bodyParams["SortBy"] = input.SortBy;
-  }
-  if (input.SortOrder !== undefined) {
-    bodyParams["SortOrder"] = input.SortOrder;
-  }
-  if (input.StatusEquals !== undefined) {
-    bodyParams["StatusEquals"] = input.StatusEquals;
-  }
-  return bodyParams;
+  return {
+    ...(input.CreationTimeAfter !== undefined && {
+      CreationTimeAfter: Math.round(input.CreationTimeAfter.getTime() / 1000)
+    }),
+    ...(input.CreationTimeBefore !== undefined && {
+      CreationTimeBefore: Math.round(input.CreationTimeBefore.getTime() / 1000)
+    }),
+    ...(input.LastModifiedTimeAfter !== undefined && {
+      LastModifiedTimeAfter: Math.round(
+        input.LastModifiedTimeAfter.getTime() / 1000
+      )
+    }),
+    ...(input.LastModifiedTimeBefore !== undefined && {
+      LastModifiedTimeBefore: Math.round(
+        input.LastModifiedTimeBefore.getTime() / 1000
+      )
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NameContains !== undefined && {
+      NameContains: input.NameContains
+    }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.SortBy !== undefined && { SortBy: input.SortBy }),
+    ...(input.SortOrder !== undefined && { SortOrder: input.SortOrder }),
+    ...(input.StatusEquals !== undefined && {
+      StatusEquals: input.StatusEquals
+    })
+  };
 };
 
 const serializeAws_json1_1ListModelPackagesInput = (
   input: ListModelPackagesInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CreationTimeAfter !== undefined) {
-    bodyParams["CreationTimeAfter"] = Math.round(
-      input.CreationTimeAfter.getTime() / 1000
-    );
-  }
-  if (input.CreationTimeBefore !== undefined) {
-    bodyParams["CreationTimeBefore"] = Math.round(
-      input.CreationTimeBefore.getTime() / 1000
-    );
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NameContains !== undefined) {
-    bodyParams["NameContains"] = input.NameContains;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.SortBy !== undefined) {
-    bodyParams["SortBy"] = input.SortBy;
-  }
-  if (input.SortOrder !== undefined) {
-    bodyParams["SortOrder"] = input.SortOrder;
-  }
-  return bodyParams;
+  return {
+    ...(input.CreationTimeAfter !== undefined && {
+      CreationTimeAfter: Math.round(input.CreationTimeAfter.getTime() / 1000)
+    }),
+    ...(input.CreationTimeBefore !== undefined && {
+      CreationTimeBefore: Math.round(input.CreationTimeBefore.getTime() / 1000)
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NameContains !== undefined && {
+      NameContains: input.NameContains
+    }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.SortBy !== undefined && { SortBy: input.SortBy }),
+    ...(input.SortOrder !== undefined && { SortOrder: input.SortOrder })
+  };
 };
 
 const serializeAws_json1_1ListModelsInput = (
   input: ListModelsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CreationTimeAfter !== undefined) {
-    bodyParams["CreationTimeAfter"] = Math.round(
-      input.CreationTimeAfter.getTime() / 1000
-    );
-  }
-  if (input.CreationTimeBefore !== undefined) {
-    bodyParams["CreationTimeBefore"] = Math.round(
-      input.CreationTimeBefore.getTime() / 1000
-    );
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NameContains !== undefined) {
-    bodyParams["NameContains"] = input.NameContains;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.SortBy !== undefined) {
-    bodyParams["SortBy"] = input.SortBy;
-  }
-  if (input.SortOrder !== undefined) {
-    bodyParams["SortOrder"] = input.SortOrder;
-  }
-  return bodyParams;
+  return {
+    ...(input.CreationTimeAfter !== undefined && {
+      CreationTimeAfter: Math.round(input.CreationTimeAfter.getTime() / 1000)
+    }),
+    ...(input.CreationTimeBefore !== undefined && {
+      CreationTimeBefore: Math.round(input.CreationTimeBefore.getTime() / 1000)
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NameContains !== undefined && {
+      NameContains: input.NameContains
+    }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.SortBy !== undefined && { SortBy: input.SortBy }),
+    ...(input.SortOrder !== undefined && { SortOrder: input.SortOrder })
+  };
 };
 
 const serializeAws_json1_1ListMonitoringExecutionsRequest = (
   input: ListMonitoringExecutionsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CreationTimeAfter !== undefined) {
-    bodyParams["CreationTimeAfter"] = Math.round(
-      input.CreationTimeAfter.getTime() / 1000
-    );
-  }
-  if (input.CreationTimeBefore !== undefined) {
-    bodyParams["CreationTimeBefore"] = Math.round(
-      input.CreationTimeBefore.getTime() / 1000
-    );
-  }
-  if (input.EndpointName !== undefined) {
-    bodyParams["EndpointName"] = input.EndpointName;
-  }
-  if (input.LastModifiedTimeAfter !== undefined) {
-    bodyParams["LastModifiedTimeAfter"] = Math.round(
-      input.LastModifiedTimeAfter.getTime() / 1000
-    );
-  }
-  if (input.LastModifiedTimeBefore !== undefined) {
-    bodyParams["LastModifiedTimeBefore"] = Math.round(
-      input.LastModifiedTimeBefore.getTime() / 1000
-    );
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.MonitoringScheduleName !== undefined) {
-    bodyParams["MonitoringScheduleName"] = input.MonitoringScheduleName;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.ScheduledTimeAfter !== undefined) {
-    bodyParams["ScheduledTimeAfter"] = Math.round(
-      input.ScheduledTimeAfter.getTime() / 1000
-    );
-  }
-  if (input.ScheduledTimeBefore !== undefined) {
-    bodyParams["ScheduledTimeBefore"] = Math.round(
-      input.ScheduledTimeBefore.getTime() / 1000
-    );
-  }
-  if (input.SortBy !== undefined) {
-    bodyParams["SortBy"] = input.SortBy;
-  }
-  if (input.SortOrder !== undefined) {
-    bodyParams["SortOrder"] = input.SortOrder;
-  }
-  if (input.StatusEquals !== undefined) {
-    bodyParams["StatusEquals"] = input.StatusEquals;
-  }
-  return bodyParams;
+  return {
+    ...(input.CreationTimeAfter !== undefined && {
+      CreationTimeAfter: Math.round(input.CreationTimeAfter.getTime() / 1000)
+    }),
+    ...(input.CreationTimeBefore !== undefined && {
+      CreationTimeBefore: Math.round(input.CreationTimeBefore.getTime() / 1000)
+    }),
+    ...(input.EndpointName !== undefined && {
+      EndpointName: input.EndpointName
+    }),
+    ...(input.LastModifiedTimeAfter !== undefined && {
+      LastModifiedTimeAfter: Math.round(
+        input.LastModifiedTimeAfter.getTime() / 1000
+      )
+    }),
+    ...(input.LastModifiedTimeBefore !== undefined && {
+      LastModifiedTimeBefore: Math.round(
+        input.LastModifiedTimeBefore.getTime() / 1000
+      )
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.MonitoringScheduleName !== undefined && {
+      MonitoringScheduleName: input.MonitoringScheduleName
+    }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.ScheduledTimeAfter !== undefined && {
+      ScheduledTimeAfter: Math.round(input.ScheduledTimeAfter.getTime() / 1000)
+    }),
+    ...(input.ScheduledTimeBefore !== undefined && {
+      ScheduledTimeBefore: Math.round(
+        input.ScheduledTimeBefore.getTime() / 1000
+      )
+    }),
+    ...(input.SortBy !== undefined && { SortBy: input.SortBy }),
+    ...(input.SortOrder !== undefined && { SortOrder: input.SortOrder }),
+    ...(input.StatusEquals !== undefined && {
+      StatusEquals: input.StatusEquals
+    })
+  };
 };
 
 const serializeAws_json1_1ListMonitoringSchedulesRequest = (
   input: ListMonitoringSchedulesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CreationTimeAfter !== undefined) {
-    bodyParams["CreationTimeAfter"] = Math.round(
-      input.CreationTimeAfter.getTime() / 1000
-    );
-  }
-  if (input.CreationTimeBefore !== undefined) {
-    bodyParams["CreationTimeBefore"] = Math.round(
-      input.CreationTimeBefore.getTime() / 1000
-    );
-  }
-  if (input.EndpointName !== undefined) {
-    bodyParams["EndpointName"] = input.EndpointName;
-  }
-  if (input.LastModifiedTimeAfter !== undefined) {
-    bodyParams["LastModifiedTimeAfter"] = Math.round(
-      input.LastModifiedTimeAfter.getTime() / 1000
-    );
-  }
-  if (input.LastModifiedTimeBefore !== undefined) {
-    bodyParams["LastModifiedTimeBefore"] = Math.round(
-      input.LastModifiedTimeBefore.getTime() / 1000
-    );
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NameContains !== undefined) {
-    bodyParams["NameContains"] = input.NameContains;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.SortBy !== undefined) {
-    bodyParams["SortBy"] = input.SortBy;
-  }
-  if (input.SortOrder !== undefined) {
-    bodyParams["SortOrder"] = input.SortOrder;
-  }
-  if (input.StatusEquals !== undefined) {
-    bodyParams["StatusEquals"] = input.StatusEquals;
-  }
-  return bodyParams;
+  return {
+    ...(input.CreationTimeAfter !== undefined && {
+      CreationTimeAfter: Math.round(input.CreationTimeAfter.getTime() / 1000)
+    }),
+    ...(input.CreationTimeBefore !== undefined && {
+      CreationTimeBefore: Math.round(input.CreationTimeBefore.getTime() / 1000)
+    }),
+    ...(input.EndpointName !== undefined && {
+      EndpointName: input.EndpointName
+    }),
+    ...(input.LastModifiedTimeAfter !== undefined && {
+      LastModifiedTimeAfter: Math.round(
+        input.LastModifiedTimeAfter.getTime() / 1000
+      )
+    }),
+    ...(input.LastModifiedTimeBefore !== undefined && {
+      LastModifiedTimeBefore: Math.round(
+        input.LastModifiedTimeBefore.getTime() / 1000
+      )
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NameContains !== undefined && {
+      NameContains: input.NameContains
+    }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.SortBy !== undefined && { SortBy: input.SortBy }),
+    ...(input.SortOrder !== undefined && { SortOrder: input.SortOrder }),
+    ...(input.StatusEquals !== undefined && {
+      StatusEquals: input.StatusEquals
+    })
+  };
 };
 
 const serializeAws_json1_1ListNotebookInstanceLifecycleConfigsInput = (
   input: ListNotebookInstanceLifecycleConfigsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CreationTimeAfter !== undefined) {
-    bodyParams["CreationTimeAfter"] = Math.round(
-      input.CreationTimeAfter.getTime() / 1000
-    );
-  }
-  if (input.CreationTimeBefore !== undefined) {
-    bodyParams["CreationTimeBefore"] = Math.round(
-      input.CreationTimeBefore.getTime() / 1000
-    );
-  }
-  if (input.LastModifiedTimeAfter !== undefined) {
-    bodyParams["LastModifiedTimeAfter"] = Math.round(
-      input.LastModifiedTimeAfter.getTime() / 1000
-    );
-  }
-  if (input.LastModifiedTimeBefore !== undefined) {
-    bodyParams["LastModifiedTimeBefore"] = Math.round(
-      input.LastModifiedTimeBefore.getTime() / 1000
-    );
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NameContains !== undefined) {
-    bodyParams["NameContains"] = input.NameContains;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.SortBy !== undefined) {
-    bodyParams["SortBy"] = input.SortBy;
-  }
-  if (input.SortOrder !== undefined) {
-    bodyParams["SortOrder"] = input.SortOrder;
-  }
-  return bodyParams;
+  return {
+    ...(input.CreationTimeAfter !== undefined && {
+      CreationTimeAfter: Math.round(input.CreationTimeAfter.getTime() / 1000)
+    }),
+    ...(input.CreationTimeBefore !== undefined && {
+      CreationTimeBefore: Math.round(input.CreationTimeBefore.getTime() / 1000)
+    }),
+    ...(input.LastModifiedTimeAfter !== undefined && {
+      LastModifiedTimeAfter: Math.round(
+        input.LastModifiedTimeAfter.getTime() / 1000
+      )
+    }),
+    ...(input.LastModifiedTimeBefore !== undefined && {
+      LastModifiedTimeBefore: Math.round(
+        input.LastModifiedTimeBefore.getTime() / 1000
+      )
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NameContains !== undefined && {
+      NameContains: input.NameContains
+    }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.SortBy !== undefined && { SortBy: input.SortBy }),
+    ...(input.SortOrder !== undefined && { SortOrder: input.SortOrder })
+  };
 };
 
 const serializeAws_json1_1ListNotebookInstancesInput = (
   input: ListNotebookInstancesInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AdditionalCodeRepositoryEquals !== undefined) {
-    bodyParams["AdditionalCodeRepositoryEquals"] =
-      input.AdditionalCodeRepositoryEquals;
-  }
-  if (input.CreationTimeAfter !== undefined) {
-    bodyParams["CreationTimeAfter"] = Math.round(
-      input.CreationTimeAfter.getTime() / 1000
-    );
-  }
-  if (input.CreationTimeBefore !== undefined) {
-    bodyParams["CreationTimeBefore"] = Math.round(
-      input.CreationTimeBefore.getTime() / 1000
-    );
-  }
-  if (input.DefaultCodeRepositoryContains !== undefined) {
-    bodyParams["DefaultCodeRepositoryContains"] =
-      input.DefaultCodeRepositoryContains;
-  }
-  if (input.LastModifiedTimeAfter !== undefined) {
-    bodyParams["LastModifiedTimeAfter"] = Math.round(
-      input.LastModifiedTimeAfter.getTime() / 1000
-    );
-  }
-  if (input.LastModifiedTimeBefore !== undefined) {
-    bodyParams["LastModifiedTimeBefore"] = Math.round(
-      input.LastModifiedTimeBefore.getTime() / 1000
-    );
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NameContains !== undefined) {
-    bodyParams["NameContains"] = input.NameContains;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.NotebookInstanceLifecycleConfigNameContains !== undefined) {
-    bodyParams["NotebookInstanceLifecycleConfigNameContains"] =
-      input.NotebookInstanceLifecycleConfigNameContains;
-  }
-  if (input.SortBy !== undefined) {
-    bodyParams["SortBy"] = input.SortBy;
-  }
-  if (input.SortOrder !== undefined) {
-    bodyParams["SortOrder"] = input.SortOrder;
-  }
-  if (input.StatusEquals !== undefined) {
-    bodyParams["StatusEquals"] = input.StatusEquals;
-  }
-  return bodyParams;
+  return {
+    ...(input.AdditionalCodeRepositoryEquals !== undefined && {
+      AdditionalCodeRepositoryEquals: input.AdditionalCodeRepositoryEquals
+    }),
+    ...(input.CreationTimeAfter !== undefined && {
+      CreationTimeAfter: Math.round(input.CreationTimeAfter.getTime() / 1000)
+    }),
+    ...(input.CreationTimeBefore !== undefined && {
+      CreationTimeBefore: Math.round(input.CreationTimeBefore.getTime() / 1000)
+    }),
+    ...(input.DefaultCodeRepositoryContains !== undefined && {
+      DefaultCodeRepositoryContains: input.DefaultCodeRepositoryContains
+    }),
+    ...(input.LastModifiedTimeAfter !== undefined && {
+      LastModifiedTimeAfter: Math.round(
+        input.LastModifiedTimeAfter.getTime() / 1000
+      )
+    }),
+    ...(input.LastModifiedTimeBefore !== undefined && {
+      LastModifiedTimeBefore: Math.round(
+        input.LastModifiedTimeBefore.getTime() / 1000
+      )
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NameContains !== undefined && {
+      NameContains: input.NameContains
+    }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.NotebookInstanceLifecycleConfigNameContains !== undefined && {
+      NotebookInstanceLifecycleConfigNameContains:
+        input.NotebookInstanceLifecycleConfigNameContains
+    }),
+    ...(input.SortBy !== undefined && { SortBy: input.SortBy }),
+    ...(input.SortOrder !== undefined && { SortOrder: input.SortOrder }),
+    ...(input.StatusEquals !== undefined && {
+      StatusEquals: input.StatusEquals
+    })
+  };
 };
 
 const serializeAws_json1_1ListProcessingJobsRequest = (
   input: ListProcessingJobsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CreationTimeAfter !== undefined) {
-    bodyParams["CreationTimeAfter"] = Math.round(
-      input.CreationTimeAfter.getTime() / 1000
-    );
-  }
-  if (input.CreationTimeBefore !== undefined) {
-    bodyParams["CreationTimeBefore"] = Math.round(
-      input.CreationTimeBefore.getTime() / 1000
-    );
-  }
-  if (input.LastModifiedTimeAfter !== undefined) {
-    bodyParams["LastModifiedTimeAfter"] = Math.round(
-      input.LastModifiedTimeAfter.getTime() / 1000
-    );
-  }
-  if (input.LastModifiedTimeBefore !== undefined) {
-    bodyParams["LastModifiedTimeBefore"] = Math.round(
-      input.LastModifiedTimeBefore.getTime() / 1000
-    );
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NameContains !== undefined) {
-    bodyParams["NameContains"] = input.NameContains;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.SortBy !== undefined) {
-    bodyParams["SortBy"] = input.SortBy;
-  }
-  if (input.SortOrder !== undefined) {
-    bodyParams["SortOrder"] = input.SortOrder;
-  }
-  if (input.StatusEquals !== undefined) {
-    bodyParams["StatusEquals"] = input.StatusEquals;
-  }
-  return bodyParams;
+  return {
+    ...(input.CreationTimeAfter !== undefined && {
+      CreationTimeAfter: Math.round(input.CreationTimeAfter.getTime() / 1000)
+    }),
+    ...(input.CreationTimeBefore !== undefined && {
+      CreationTimeBefore: Math.round(input.CreationTimeBefore.getTime() / 1000)
+    }),
+    ...(input.LastModifiedTimeAfter !== undefined && {
+      LastModifiedTimeAfter: Math.round(
+        input.LastModifiedTimeAfter.getTime() / 1000
+      )
+    }),
+    ...(input.LastModifiedTimeBefore !== undefined && {
+      LastModifiedTimeBefore: Math.round(
+        input.LastModifiedTimeBefore.getTime() / 1000
+      )
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NameContains !== undefined && {
+      NameContains: input.NameContains
+    }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.SortBy !== undefined && { SortBy: input.SortBy }),
+    ...(input.SortOrder !== undefined && { SortOrder: input.SortOrder }),
+    ...(input.StatusEquals !== undefined && {
+      StatusEquals: input.StatusEquals
+    })
+  };
 };
 
 const serializeAws_json1_1ListSubscribedWorkteamsRequest = (
   input: ListSubscribedWorkteamsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NameContains !== undefined) {
-    bodyParams["NameContains"] = input.NameContains;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NameContains !== undefined && {
+      NameContains: input.NameContains
+    }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1ListTagsInput = (
   input: ListTagsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.ResourceArn !== undefined) {
-    bodyParams["ResourceArn"] = input.ResourceArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.ResourceArn !== undefined && { ResourceArn: input.ResourceArn })
+  };
 };
 
 const serializeAws_json1_1ListTrainingJobsForHyperParameterTuningJobRequest = (
   input: ListTrainingJobsForHyperParameterTuningJobRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.HyperParameterTuningJobName !== undefined) {
-    bodyParams["HyperParameterTuningJobName"] =
-      input.HyperParameterTuningJobName;
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.SortBy !== undefined) {
-    bodyParams["SortBy"] = input.SortBy;
-  }
-  if (input.SortOrder !== undefined) {
-    bodyParams["SortOrder"] = input.SortOrder;
-  }
-  if (input.StatusEquals !== undefined) {
-    bodyParams["StatusEquals"] = input.StatusEquals;
-  }
-  return bodyParams;
+  return {
+    ...(input.HyperParameterTuningJobName !== undefined && {
+      HyperParameterTuningJobName: input.HyperParameterTuningJobName
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.SortBy !== undefined && { SortBy: input.SortBy }),
+    ...(input.SortOrder !== undefined && { SortOrder: input.SortOrder }),
+    ...(input.StatusEquals !== undefined && {
+      StatusEquals: input.StatusEquals
+    })
+  };
 };
 
 const serializeAws_json1_1ListTrainingJobsRequest = (
   input: ListTrainingJobsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CreationTimeAfter !== undefined) {
-    bodyParams["CreationTimeAfter"] = Math.round(
-      input.CreationTimeAfter.getTime() / 1000
-    );
-  }
-  if (input.CreationTimeBefore !== undefined) {
-    bodyParams["CreationTimeBefore"] = Math.round(
-      input.CreationTimeBefore.getTime() / 1000
-    );
-  }
-  if (input.LastModifiedTimeAfter !== undefined) {
-    bodyParams["LastModifiedTimeAfter"] = Math.round(
-      input.LastModifiedTimeAfter.getTime() / 1000
-    );
-  }
-  if (input.LastModifiedTimeBefore !== undefined) {
-    bodyParams["LastModifiedTimeBefore"] = Math.round(
-      input.LastModifiedTimeBefore.getTime() / 1000
-    );
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NameContains !== undefined) {
-    bodyParams["NameContains"] = input.NameContains;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.SortBy !== undefined) {
-    bodyParams["SortBy"] = input.SortBy;
-  }
-  if (input.SortOrder !== undefined) {
-    bodyParams["SortOrder"] = input.SortOrder;
-  }
-  if (input.StatusEquals !== undefined) {
-    bodyParams["StatusEquals"] = input.StatusEquals;
-  }
-  return bodyParams;
+  return {
+    ...(input.CreationTimeAfter !== undefined && {
+      CreationTimeAfter: Math.round(input.CreationTimeAfter.getTime() / 1000)
+    }),
+    ...(input.CreationTimeBefore !== undefined && {
+      CreationTimeBefore: Math.round(input.CreationTimeBefore.getTime() / 1000)
+    }),
+    ...(input.LastModifiedTimeAfter !== undefined && {
+      LastModifiedTimeAfter: Math.round(
+        input.LastModifiedTimeAfter.getTime() / 1000
+      )
+    }),
+    ...(input.LastModifiedTimeBefore !== undefined && {
+      LastModifiedTimeBefore: Math.round(
+        input.LastModifiedTimeBefore.getTime() / 1000
+      )
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NameContains !== undefined && {
+      NameContains: input.NameContains
+    }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.SortBy !== undefined && { SortBy: input.SortBy }),
+    ...(input.SortOrder !== undefined && { SortOrder: input.SortOrder }),
+    ...(input.StatusEquals !== undefined && {
+      StatusEquals: input.StatusEquals
+    })
+  };
 };
 
 const serializeAws_json1_1ListTransformJobsRequest = (
   input: ListTransformJobsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CreationTimeAfter !== undefined) {
-    bodyParams["CreationTimeAfter"] = Math.round(
-      input.CreationTimeAfter.getTime() / 1000
-    );
-  }
-  if (input.CreationTimeBefore !== undefined) {
-    bodyParams["CreationTimeBefore"] = Math.round(
-      input.CreationTimeBefore.getTime() / 1000
-    );
-  }
-  if (input.LastModifiedTimeAfter !== undefined) {
-    bodyParams["LastModifiedTimeAfter"] = Math.round(
-      input.LastModifiedTimeAfter.getTime() / 1000
-    );
-  }
-  if (input.LastModifiedTimeBefore !== undefined) {
-    bodyParams["LastModifiedTimeBefore"] = Math.round(
-      input.LastModifiedTimeBefore.getTime() / 1000
-    );
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NameContains !== undefined) {
-    bodyParams["NameContains"] = input.NameContains;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.SortBy !== undefined) {
-    bodyParams["SortBy"] = input.SortBy;
-  }
-  if (input.SortOrder !== undefined) {
-    bodyParams["SortOrder"] = input.SortOrder;
-  }
-  if (input.StatusEquals !== undefined) {
-    bodyParams["StatusEquals"] = input.StatusEquals;
-  }
-  return bodyParams;
+  return {
+    ...(input.CreationTimeAfter !== undefined && {
+      CreationTimeAfter: Math.round(input.CreationTimeAfter.getTime() / 1000)
+    }),
+    ...(input.CreationTimeBefore !== undefined && {
+      CreationTimeBefore: Math.round(input.CreationTimeBefore.getTime() / 1000)
+    }),
+    ...(input.LastModifiedTimeAfter !== undefined && {
+      LastModifiedTimeAfter: Math.round(
+        input.LastModifiedTimeAfter.getTime() / 1000
+      )
+    }),
+    ...(input.LastModifiedTimeBefore !== undefined && {
+      LastModifiedTimeBefore: Math.round(
+        input.LastModifiedTimeBefore.getTime() / 1000
+      )
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NameContains !== undefined && {
+      NameContains: input.NameContains
+    }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.SortBy !== undefined && { SortBy: input.SortBy }),
+    ...(input.SortOrder !== undefined && { SortOrder: input.SortOrder }),
+    ...(input.StatusEquals !== undefined && {
+      StatusEquals: input.StatusEquals
+    })
+  };
 };
 
 const serializeAws_json1_1ListTrialComponentKey256 = (
@@ -15197,137 +14518,91 @@ const serializeAws_json1_1ListTrialComponentsRequest = (
   input: ListTrialComponentsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CreatedAfter !== undefined) {
-    bodyParams["CreatedAfter"] = Math.round(
-      input.CreatedAfter.getTime() / 1000
-    );
-  }
-  if (input.CreatedBefore !== undefined) {
-    bodyParams["CreatedBefore"] = Math.round(
-      input.CreatedBefore.getTime() / 1000
-    );
-  }
-  if (input.ExperimentName !== undefined) {
-    bodyParams["ExperimentName"] = input.ExperimentName;
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.SortBy !== undefined) {
-    bodyParams["SortBy"] = input.SortBy;
-  }
-  if (input.SortOrder !== undefined) {
-    bodyParams["SortOrder"] = input.SortOrder;
-  }
-  if (input.SourceArn !== undefined) {
-    bodyParams["SourceArn"] = input.SourceArn;
-  }
-  if (input.TrialName !== undefined) {
-    bodyParams["TrialName"] = input.TrialName;
-  }
-  return bodyParams;
+  return {
+    ...(input.CreatedAfter !== undefined && {
+      CreatedAfter: Math.round(input.CreatedAfter.getTime() / 1000)
+    }),
+    ...(input.CreatedBefore !== undefined && {
+      CreatedBefore: Math.round(input.CreatedBefore.getTime() / 1000)
+    }),
+    ...(input.ExperimentName !== undefined && {
+      ExperimentName: input.ExperimentName
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.SortBy !== undefined && { SortBy: input.SortBy }),
+    ...(input.SortOrder !== undefined && { SortOrder: input.SortOrder }),
+    ...(input.SourceArn !== undefined && { SourceArn: input.SourceArn }),
+    ...(input.TrialName !== undefined && { TrialName: input.TrialName })
+  };
 };
 
 const serializeAws_json1_1ListTrialsRequest = (
   input: ListTrialsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CreatedAfter !== undefined) {
-    bodyParams["CreatedAfter"] = Math.round(
-      input.CreatedAfter.getTime() / 1000
-    );
-  }
-  if (input.CreatedBefore !== undefined) {
-    bodyParams["CreatedBefore"] = Math.round(
-      input.CreatedBefore.getTime() / 1000
-    );
-  }
-  if (input.ExperimentName !== undefined) {
-    bodyParams["ExperimentName"] = input.ExperimentName;
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.SortBy !== undefined) {
-    bodyParams["SortBy"] = input.SortBy;
-  }
-  if (input.SortOrder !== undefined) {
-    bodyParams["SortOrder"] = input.SortOrder;
-  }
-  return bodyParams;
+  return {
+    ...(input.CreatedAfter !== undefined && {
+      CreatedAfter: Math.round(input.CreatedAfter.getTime() / 1000)
+    }),
+    ...(input.CreatedBefore !== undefined && {
+      CreatedBefore: Math.round(input.CreatedBefore.getTime() / 1000)
+    }),
+    ...(input.ExperimentName !== undefined && {
+      ExperimentName: input.ExperimentName
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.SortBy !== undefined && { SortBy: input.SortBy }),
+    ...(input.SortOrder !== undefined && { SortOrder: input.SortOrder })
+  };
 };
 
 const serializeAws_json1_1ListUserProfilesRequest = (
   input: ListUserProfilesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DomainIdEquals !== undefined) {
-    bodyParams["DomainIdEquals"] = input.DomainIdEquals;
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.SortBy !== undefined) {
-    bodyParams["SortBy"] = input.SortBy;
-  }
-  if (input.SortOrder !== undefined) {
-    bodyParams["SortOrder"] = input.SortOrder;
-  }
-  if (input.UserProfileNameContains !== undefined) {
-    bodyParams["UserProfileNameContains"] = input.UserProfileNameContains;
-  }
-  return bodyParams;
+  return {
+    ...(input.DomainIdEquals !== undefined && {
+      DomainIdEquals: input.DomainIdEquals
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.SortBy !== undefined && { SortBy: input.SortBy }),
+    ...(input.SortOrder !== undefined && { SortOrder: input.SortOrder }),
+    ...(input.UserProfileNameContains !== undefined && {
+      UserProfileNameContains: input.UserProfileNameContains
+    })
+  };
 };
 
 const serializeAws_json1_1ListWorkteamsRequest = (
   input: ListWorkteamsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NameContains !== undefined) {
-    bodyParams["NameContains"] = input.NameContains;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.SortBy !== undefined) {
-    bodyParams["SortBy"] = input.SortBy;
-  }
-  if (input.SortOrder !== undefined) {
-    bodyParams["SortOrder"] = input.SortOrder;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NameContains !== undefined && {
+      NameContains: input.NameContains
+    }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.SortBy !== undefined && { SortBy: input.SortBy }),
+    ...(input.SortOrder !== undefined && { SortOrder: input.SortOrder })
+  };
 };
 
 const serializeAws_json1_1MemberDefinition = (
   input: MemberDefinition,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CognitoMemberDefinition !== undefined) {
-    bodyParams[
-      "CognitoMemberDefinition"
-    ] = serializeAws_json1_1CognitoMemberDefinition(
-      input.CognitoMemberDefinition,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.CognitoMemberDefinition !== undefined && {
+      CognitoMemberDefinition: serializeAws_json1_1CognitoMemberDefinition(
+        input.CognitoMemberDefinition,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1MemberDefinitions = (
@@ -15343,14 +14618,10 @@ const serializeAws_json1_1MetricDefinition = (
   input: MetricDefinition,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.Regex !== undefined) {
-    bodyParams["Regex"] = input.Regex;
-  }
-  return bodyParams;
+  return {
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.Regex !== undefined && { Regex: input.Regex })
+  };
 };
 
 const serializeAws_json1_1MetricDefinitionList = (
@@ -15363,26 +14634,20 @@ const serializeAws_json1_1MetricDefinitionList = (
 };
 
 const serializeAws_json1_1ModelPackageContainerDefinition = (
-  input: ModelPackageContainerDefinition,
-  context: __SerdeContext
-): any => {
-  const bodyParams: any = {};
-  if (input.ContainerHostname !== undefined) {
-    bodyParams["ContainerHostname"] = input.ContainerHostname;
-  }
-  if (input.Image !== undefined) {
-    bodyParams["Image"] = input.Image;
-  }
-  if (input.ImageDigest !== undefined) {
-    bodyParams["ImageDigest"] = input.ImageDigest;
-  }
-  if (input.ModelDataUrl !== undefined) {
-    bodyParams["ModelDataUrl"] = input.ModelDataUrl;
-  }
-  if (input.ProductId !== undefined) {
-    bodyParams["ProductId"] = input.ProductId;
-  }
-  return bodyParams;
+  input: ModelPackageContainerDefinition,
+  context: __SerdeContext
+): any => {
+  return {
+    ...(input.ContainerHostname !== undefined && {
+      ContainerHostname: input.ContainerHostname
+    }),
+    ...(input.Image !== undefined && { Image: input.Image }),
+    ...(input.ImageDigest !== undefined && { ImageDigest: input.ImageDigest }),
+    ...(input.ModelDataUrl !== undefined && {
+      ModelDataUrl: input.ModelDataUrl
+    }),
+    ...(input.ProductId !== undefined && { ProductId: input.ProductId })
+  };
 };
 
 const serializeAws_json1_1ModelPackageContainerDefinitionList = (
@@ -15398,19 +14663,15 @@ const serializeAws_json1_1ModelPackageValidationProfile = (
   input: ModelPackageValidationProfile,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ProfileName !== undefined) {
-    bodyParams["ProfileName"] = input.ProfileName;
-  }
-  if (input.TransformJobDefinition !== undefined) {
-    bodyParams[
-      "TransformJobDefinition"
-    ] = serializeAws_json1_1TransformJobDefinition(
-      input.TransformJobDefinition,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ProfileName !== undefined && { ProfileName: input.ProfileName }),
+    ...(input.TransformJobDefinition !== undefined && {
+      TransformJobDefinition: serializeAws_json1_1TransformJobDefinition(
+        input.TransformJobDefinition,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1ModelPackageValidationProfiles = (
@@ -15426,107 +14687,93 @@ const serializeAws_json1_1ModelPackageValidationSpecification = (
   input: ModelPackageValidationSpecification,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ValidationProfiles !== undefined) {
-    bodyParams[
-      "ValidationProfiles"
-    ] = serializeAws_json1_1ModelPackageValidationProfiles(
-      input.ValidationProfiles,
-      context
-    );
-  }
-  if (input.ValidationRole !== undefined) {
-    bodyParams["ValidationRole"] = input.ValidationRole;
-  }
-  return bodyParams;
+  return {
+    ...(input.ValidationProfiles !== undefined && {
+      ValidationProfiles: serializeAws_json1_1ModelPackageValidationProfiles(
+        input.ValidationProfiles,
+        context
+      )
+    }),
+    ...(input.ValidationRole !== undefined && {
+      ValidationRole: input.ValidationRole
+    })
+  };
 };
 
 const serializeAws_json1_1MonitoringAppSpecification = (
   input: MonitoringAppSpecification,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ContainerArguments !== undefined) {
-    bodyParams[
-      "ContainerArguments"
-    ] = serializeAws_json1_1MonitoringContainerArguments(
-      input.ContainerArguments,
-      context
-    );
-  }
-  if (input.ContainerEntrypoint !== undefined) {
-    bodyParams["ContainerEntrypoint"] = serializeAws_json1_1ContainerEntrypoint(
-      input.ContainerEntrypoint,
-      context
-    );
-  }
-  if (input.ImageUri !== undefined) {
-    bodyParams["ImageUri"] = input.ImageUri;
-  }
-  if (input.PostAnalyticsProcessorSourceUri !== undefined) {
-    bodyParams["PostAnalyticsProcessorSourceUri"] =
-      input.PostAnalyticsProcessorSourceUri;
-  }
-  if (input.RecordPreprocessorSourceUri !== undefined) {
-    bodyParams["RecordPreprocessorSourceUri"] =
-      input.RecordPreprocessorSourceUri;
-  }
-  return bodyParams;
+  return {
+    ...(input.ContainerArguments !== undefined && {
+      ContainerArguments: serializeAws_json1_1MonitoringContainerArguments(
+        input.ContainerArguments,
+        context
+      )
+    }),
+    ...(input.ContainerEntrypoint !== undefined && {
+      ContainerEntrypoint: serializeAws_json1_1ContainerEntrypoint(
+        input.ContainerEntrypoint,
+        context
+      )
+    }),
+    ...(input.ImageUri !== undefined && { ImageUri: input.ImageUri }),
+    ...(input.PostAnalyticsProcessorSourceUri !== undefined && {
+      PostAnalyticsProcessorSourceUri: input.PostAnalyticsProcessorSourceUri
+    }),
+    ...(input.RecordPreprocessorSourceUri !== undefined && {
+      RecordPreprocessorSourceUri: input.RecordPreprocessorSourceUri
+    })
+  };
 };
 
 const serializeAws_json1_1MonitoringBaselineConfig = (
   input: MonitoringBaselineConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ConstraintsResource !== undefined) {
-    bodyParams[
-      "ConstraintsResource"
-    ] = serializeAws_json1_1MonitoringConstraintsResource(
-      input.ConstraintsResource,
-      context
-    );
-  }
-  if (input.StatisticsResource !== undefined) {
-    bodyParams[
-      "StatisticsResource"
-    ] = serializeAws_json1_1MonitoringStatisticsResource(
-      input.StatisticsResource,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ConstraintsResource !== undefined && {
+      ConstraintsResource: serializeAws_json1_1MonitoringConstraintsResource(
+        input.ConstraintsResource,
+        context
+      )
+    }),
+    ...(input.StatisticsResource !== undefined && {
+      StatisticsResource: serializeAws_json1_1MonitoringStatisticsResource(
+        input.StatisticsResource,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1MonitoringClusterConfig = (
   input: MonitoringClusterConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.InstanceCount !== undefined) {
-    bodyParams["InstanceCount"] = input.InstanceCount;
-  }
-  if (input.InstanceType !== undefined) {
-    bodyParams["InstanceType"] = input.InstanceType;
-  }
-  if (input.VolumeKmsKeyId !== undefined) {
-    bodyParams["VolumeKmsKeyId"] = input.VolumeKmsKeyId;
-  }
-  if (input.VolumeSizeInGB !== undefined) {
-    bodyParams["VolumeSizeInGB"] = input.VolumeSizeInGB;
-  }
-  return bodyParams;
+  return {
+    ...(input.InstanceCount !== undefined && {
+      InstanceCount: input.InstanceCount
+    }),
+    ...(input.InstanceType !== undefined && {
+      InstanceType: input.InstanceType
+    }),
+    ...(input.VolumeKmsKeyId !== undefined && {
+      VolumeKmsKeyId: input.VolumeKmsKeyId
+    }),
+    ...(input.VolumeSizeInGB !== undefined && {
+      VolumeSizeInGB: input.VolumeSizeInGB
+    })
+  };
 };
 
 const serializeAws_json1_1MonitoringConstraintsResource = (
   input: MonitoringConstraintsResource,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.S3Uri !== undefined) {
-    bodyParams["S3Uri"] = input.S3Uri;
-  }
-  return bodyParams;
+  return {
+    ...(input.S3Uri !== undefined && { S3Uri: input.S3Uri })
+  };
 };
 
 const serializeAws_json1_1MonitoringContainerArguments = (
@@ -15550,14 +14797,14 @@ const serializeAws_json1_1MonitoringInput = (
   input: MonitoringInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EndpointInput !== undefined) {
-    bodyParams["EndpointInput"] = serializeAws_json1_1EndpointInput(
-      input.EndpointInput,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.EndpointInput !== undefined && {
+      EndpointInput: serializeAws_json1_1EndpointInput(
+        input.EndpointInput,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1MonitoringInputs = (
@@ -15573,96 +14820,83 @@ const serializeAws_json1_1MonitoringJobDefinition = (
   input: MonitoringJobDefinition,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.BaselineConfig !== undefined) {
-    bodyParams["BaselineConfig"] = serializeAws_json1_1MonitoringBaselineConfig(
-      input.BaselineConfig,
-      context
-    );
-  }
-  if (input.Environment !== undefined) {
-    bodyParams["Environment"] = serializeAws_json1_1MonitoringEnvironmentMap(
-      input.Environment,
-      context
-    );
-  }
-  if (input.MonitoringAppSpecification !== undefined) {
-    bodyParams[
-      "MonitoringAppSpecification"
-    ] = serializeAws_json1_1MonitoringAppSpecification(
-      input.MonitoringAppSpecification,
-      context
-    );
-  }
-  if (input.MonitoringInputs !== undefined) {
-    bodyParams["MonitoringInputs"] = serializeAws_json1_1MonitoringInputs(
-      input.MonitoringInputs,
-      context
-    );
-  }
-  if (input.MonitoringOutputConfig !== undefined) {
-    bodyParams[
-      "MonitoringOutputConfig"
-    ] = serializeAws_json1_1MonitoringOutputConfig(
-      input.MonitoringOutputConfig,
-      context
-    );
-  }
-  if (input.MonitoringResources !== undefined) {
-    bodyParams["MonitoringResources"] = serializeAws_json1_1MonitoringResources(
-      input.MonitoringResources,
-      context
-    );
-  }
-  if (input.NetworkConfig !== undefined) {
-    bodyParams["NetworkConfig"] = serializeAws_json1_1NetworkConfig(
-      input.NetworkConfig,
-      context
-    );
-  }
-  if (input.RoleArn !== undefined) {
-    bodyParams["RoleArn"] = input.RoleArn;
-  }
-  if (input.StoppingCondition !== undefined) {
-    bodyParams[
-      "StoppingCondition"
-    ] = serializeAws_json1_1MonitoringStoppingCondition(
-      input.StoppingCondition,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.BaselineConfig !== undefined && {
+      BaselineConfig: serializeAws_json1_1MonitoringBaselineConfig(
+        input.BaselineConfig,
+        context
+      )
+    }),
+    ...(input.Environment !== undefined && {
+      Environment: serializeAws_json1_1MonitoringEnvironmentMap(
+        input.Environment,
+        context
+      )
+    }),
+    ...(input.MonitoringAppSpecification !== undefined && {
+      MonitoringAppSpecification: serializeAws_json1_1MonitoringAppSpecification(
+        input.MonitoringAppSpecification,
+        context
+      )
+    }),
+    ...(input.MonitoringInputs !== undefined && {
+      MonitoringInputs: serializeAws_json1_1MonitoringInputs(
+        input.MonitoringInputs,
+        context
+      )
+    }),
+    ...(input.MonitoringOutputConfig !== undefined && {
+      MonitoringOutputConfig: serializeAws_json1_1MonitoringOutputConfig(
+        input.MonitoringOutputConfig,
+        context
+      )
+    }),
+    ...(input.MonitoringResources !== undefined && {
+      MonitoringResources: serializeAws_json1_1MonitoringResources(
+        input.MonitoringResources,
+        context
+      )
+    }),
+    ...(input.NetworkConfig !== undefined && {
+      NetworkConfig: serializeAws_json1_1NetworkConfig(
+        input.NetworkConfig,
+        context
+      )
+    }),
+    ...(input.RoleArn !== undefined && { RoleArn: input.RoleArn }),
+    ...(input.StoppingCondition !== undefined && {
+      StoppingCondition: serializeAws_json1_1MonitoringStoppingCondition(
+        input.StoppingCondition,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1MonitoringOutput = (
   input: MonitoringOutput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.S3Output !== undefined) {
-    bodyParams["S3Output"] = serializeAws_json1_1MonitoringS3Output(
-      input.S3Output,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.S3Output !== undefined && {
+      S3Output: serializeAws_json1_1MonitoringS3Output(input.S3Output, context)
+    })
+  };
 };
 
 const serializeAws_json1_1MonitoringOutputConfig = (
   input: MonitoringOutputConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.KmsKeyId !== undefined) {
-    bodyParams["KmsKeyId"] = input.KmsKeyId;
-  }
-  if (input.MonitoringOutputs !== undefined) {
-    bodyParams["MonitoringOutputs"] = serializeAws_json1_1MonitoringOutputs(
-      input.MonitoringOutputs,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.KmsKeyId !== undefined && { KmsKeyId: input.KmsKeyId }),
+    ...(input.MonitoringOutputs !== undefined && {
+      MonitoringOutputs: serializeAws_json1_1MonitoringOutputs(
+        input.MonitoringOutputs,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1MonitoringOutputs = (
@@ -15678,92 +14912,81 @@ const serializeAws_json1_1MonitoringResources = (
   input: MonitoringResources,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ClusterConfig !== undefined) {
-    bodyParams["ClusterConfig"] = serializeAws_json1_1MonitoringClusterConfig(
-      input.ClusterConfig,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ClusterConfig !== undefined && {
+      ClusterConfig: serializeAws_json1_1MonitoringClusterConfig(
+        input.ClusterConfig,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1MonitoringS3Output = (
   input: MonitoringS3Output,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.LocalPath !== undefined) {
-    bodyParams["LocalPath"] = input.LocalPath;
-  }
-  if (input.S3UploadMode !== undefined) {
-    bodyParams["S3UploadMode"] = input.S3UploadMode;
-  }
-  if (input.S3Uri !== undefined) {
-    bodyParams["S3Uri"] = input.S3Uri;
-  }
-  return bodyParams;
+  return {
+    ...(input.LocalPath !== undefined && { LocalPath: input.LocalPath }),
+    ...(input.S3UploadMode !== undefined && {
+      S3UploadMode: input.S3UploadMode
+    }),
+    ...(input.S3Uri !== undefined && { S3Uri: input.S3Uri })
+  };
 };
 
 const serializeAws_json1_1MonitoringScheduleConfig = (
   input: MonitoringScheduleConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MonitoringJobDefinition !== undefined) {
-    bodyParams[
-      "MonitoringJobDefinition"
-    ] = serializeAws_json1_1MonitoringJobDefinition(
-      input.MonitoringJobDefinition,
-      context
-    );
-  }
-  if (input.ScheduleConfig !== undefined) {
-    bodyParams["ScheduleConfig"] = serializeAws_json1_1ScheduleConfig(
-      input.ScheduleConfig,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.MonitoringJobDefinition !== undefined && {
+      MonitoringJobDefinition: serializeAws_json1_1MonitoringJobDefinition(
+        input.MonitoringJobDefinition,
+        context
+      )
+    }),
+    ...(input.ScheduleConfig !== undefined && {
+      ScheduleConfig: serializeAws_json1_1ScheduleConfig(
+        input.ScheduleConfig,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1MonitoringStatisticsResource = (
   input: MonitoringStatisticsResource,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.S3Uri !== undefined) {
-    bodyParams["S3Uri"] = input.S3Uri;
-  }
-  return bodyParams;
+  return {
+    ...(input.S3Uri !== undefined && { S3Uri: input.S3Uri })
+  };
 };
 
 const serializeAws_json1_1MonitoringStoppingCondition = (
   input: MonitoringStoppingCondition,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxRuntimeInSeconds !== undefined) {
-    bodyParams["MaxRuntimeInSeconds"] = input.MaxRuntimeInSeconds;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxRuntimeInSeconds !== undefined && {
+      MaxRuntimeInSeconds: input.MaxRuntimeInSeconds
+    })
+  };
 };
 
 const serializeAws_json1_1NestedFilters = (
   input: NestedFilters,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Filters !== undefined) {
-    bodyParams["Filters"] = serializeAws_json1_1FilterList(
-      input.Filters,
-      context
-    );
-  }
-  if (input.NestedPropertyName !== undefined) {
-    bodyParams["NestedPropertyName"] = input.NestedPropertyName;
-  }
-  return bodyParams;
+  return {
+    ...(input.Filters !== undefined && {
+      Filters: serializeAws_json1_1FilterList(input.Filters, context)
+    }),
+    ...(input.NestedPropertyName !== undefined && {
+      NestedPropertyName: input.NestedPropertyName
+    })
+  };
 };
 
 const serializeAws_json1_1NestedFiltersList = (
@@ -15777,17 +15000,14 @@ const serializeAws_json1_1NetworkConfig = (
   input: NetworkConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EnableNetworkIsolation !== undefined) {
-    bodyParams["EnableNetworkIsolation"] = input.EnableNetworkIsolation;
-  }
-  if (input.VpcConfig !== undefined) {
-    bodyParams["VpcConfig"] = serializeAws_json1_1VpcConfig(
-      input.VpcConfig,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.EnableNetworkIsolation !== undefined && {
+      EnableNetworkIsolation: input.EnableNetworkIsolation
+    }),
+    ...(input.VpcConfig !== undefined && {
+      VpcConfig: serializeAws_json1_1VpcConfig(input.VpcConfig, context)
+    })
+  };
 };
 
 const serializeAws_json1_1NotebookInstanceAcceleratorTypes = (
@@ -15810,114 +15030,98 @@ const serializeAws_json1_1NotebookInstanceLifecycleHook = (
   input: NotebookInstanceLifecycleHook,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Content !== undefined) {
-    bodyParams["Content"] = input.Content;
-  }
-  return bodyParams;
+  return {
+    ...(input.Content !== undefined && { Content: input.Content })
+  };
 };
 
 const serializeAws_json1_1NotificationConfiguration = (
   input: NotificationConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.NotificationTopicArn !== undefined) {
-    bodyParams["NotificationTopicArn"] = input.NotificationTopicArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.NotificationTopicArn !== undefined && {
+      NotificationTopicArn: input.NotificationTopicArn
+    })
+  };
 };
 
 const serializeAws_json1_1OutputConfig = (
   input: OutputConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.S3OutputLocation !== undefined) {
-    bodyParams["S3OutputLocation"] = input.S3OutputLocation;
-  }
-  if (input.TargetDevice !== undefined) {
-    bodyParams["TargetDevice"] = input.TargetDevice;
-  }
-  return bodyParams;
+  return {
+    ...(input.S3OutputLocation !== undefined && {
+      S3OutputLocation: input.S3OutputLocation
+    }),
+    ...(input.TargetDevice !== undefined && {
+      TargetDevice: input.TargetDevice
+    })
+  };
 };
 
 const serializeAws_json1_1OutputDataConfig = (
   input: OutputDataConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.KmsKeyId !== undefined) {
-    bodyParams["KmsKeyId"] = input.KmsKeyId;
-  }
-  if (input.S3OutputPath !== undefined) {
-    bodyParams["S3OutputPath"] = input.S3OutputPath;
-  }
-  return bodyParams;
+  return {
+    ...(input.KmsKeyId !== undefined && { KmsKeyId: input.KmsKeyId }),
+    ...(input.S3OutputPath !== undefined && {
+      S3OutputPath: input.S3OutputPath
+    })
+  };
 };
 
 const serializeAws_json1_1ParameterRange = (
   input: ParameterRange,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CategoricalParameterRangeSpecification !== undefined) {
-    bodyParams[
-      "CategoricalParameterRangeSpecification"
-    ] = serializeAws_json1_1CategoricalParameterRangeSpecification(
-      input.CategoricalParameterRangeSpecification,
-      context
-    );
-  }
-  if (input.ContinuousParameterRangeSpecification !== undefined) {
-    bodyParams[
-      "ContinuousParameterRangeSpecification"
-    ] = serializeAws_json1_1ContinuousParameterRangeSpecification(
-      input.ContinuousParameterRangeSpecification,
-      context
-    );
-  }
-  if (input.IntegerParameterRangeSpecification !== undefined) {
-    bodyParams[
-      "IntegerParameterRangeSpecification"
-    ] = serializeAws_json1_1IntegerParameterRangeSpecification(
-      input.IntegerParameterRangeSpecification,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.CategoricalParameterRangeSpecification !== undefined && {
+      CategoricalParameterRangeSpecification: serializeAws_json1_1CategoricalParameterRangeSpecification(
+        input.CategoricalParameterRangeSpecification,
+        context
+      )
+    }),
+    ...(input.ContinuousParameterRangeSpecification !== undefined && {
+      ContinuousParameterRangeSpecification: serializeAws_json1_1ContinuousParameterRangeSpecification(
+        input.ContinuousParameterRangeSpecification,
+        context
+      )
+    }),
+    ...(input.IntegerParameterRangeSpecification !== undefined && {
+      IntegerParameterRangeSpecification: serializeAws_json1_1IntegerParameterRangeSpecification(
+        input.IntegerParameterRangeSpecification,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1ParameterRanges = (
   input: ParameterRanges,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CategoricalParameterRanges !== undefined) {
-    bodyParams[
-      "CategoricalParameterRanges"
-    ] = serializeAws_json1_1CategoricalParameterRanges(
-      input.CategoricalParameterRanges,
-      context
-    );
-  }
-  if (input.ContinuousParameterRanges !== undefined) {
-    bodyParams[
-      "ContinuousParameterRanges"
-    ] = serializeAws_json1_1ContinuousParameterRanges(
-      input.ContinuousParameterRanges,
-      context
-    );
-  }
-  if (input.IntegerParameterRanges !== undefined) {
-    bodyParams[
-      "IntegerParameterRanges"
-    ] = serializeAws_json1_1IntegerParameterRanges(
-      input.IntegerParameterRanges,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.CategoricalParameterRanges !== undefined && {
+      CategoricalParameterRanges: serializeAws_json1_1CategoricalParameterRanges(
+        input.CategoricalParameterRanges,
+        context
+      )
+    }),
+    ...(input.ContinuousParameterRanges !== undefined && {
+      ContinuousParameterRanges: serializeAws_json1_1ContinuousParameterRanges(
+        input.ContinuousParameterRanges,
+        context
+      )
+    }),
+    ...(input.IntegerParameterRanges !== undefined && {
+      IntegerParameterRanges: serializeAws_json1_1IntegerParameterRanges(
+        input.IntegerParameterRanges,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1ParameterValues = (
@@ -15931,12 +15135,11 @@ const serializeAws_json1_1ParentHyperParameterTuningJob = (
   input: ParentHyperParameterTuningJob,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.HyperParameterTuningJobName !== undefined) {
-    bodyParams["HyperParameterTuningJobName"] =
-      input.HyperParameterTuningJobName;
-  }
-  return bodyParams;
+  return {
+    ...(input.HyperParameterTuningJobName !== undefined && {
+      HyperParameterTuningJobName: input.HyperParameterTuningJobName
+    })
+  };
 };
 
 const serializeAws_json1_1ParentHyperParameterTuningJobs = (
@@ -15952,20 +15155,20 @@ const serializeAws_json1_1ProcessingClusterConfig = (
   input: ProcessingClusterConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.InstanceCount !== undefined) {
-    bodyParams["InstanceCount"] = input.InstanceCount;
-  }
-  if (input.InstanceType !== undefined) {
-    bodyParams["InstanceType"] = input.InstanceType;
-  }
-  if (input.VolumeKmsKeyId !== undefined) {
-    bodyParams["VolumeKmsKeyId"] = input.VolumeKmsKeyId;
-  }
-  if (input.VolumeSizeInGB !== undefined) {
-    bodyParams["VolumeSizeInGB"] = input.VolumeSizeInGB;
-  }
-  return bodyParams;
+  return {
+    ...(input.InstanceCount !== undefined && {
+      InstanceCount: input.InstanceCount
+    }),
+    ...(input.InstanceType !== undefined && {
+      InstanceType: input.InstanceType
+    }),
+    ...(input.VolumeKmsKeyId !== undefined && {
+      VolumeKmsKeyId: input.VolumeKmsKeyId
+    }),
+    ...(input.VolumeSizeInGB !== undefined && {
+      VolumeSizeInGB: input.VolumeSizeInGB
+    })
+  };
 };
 
 const serializeAws_json1_1ProcessingEnvironmentMap = (
@@ -15982,17 +15185,12 @@ const serializeAws_json1_1ProcessingInput = (
   input: ProcessingInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.InputName !== undefined) {
-    bodyParams["InputName"] = input.InputName;
-  }
-  if (input.S3Input !== undefined) {
-    bodyParams["S3Input"] = serializeAws_json1_1ProcessingS3Input(
-      input.S3Input,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.InputName !== undefined && { InputName: input.InputName }),
+    ...(input.S3Input !== undefined && {
+      S3Input: serializeAws_json1_1ProcessingS3Input(input.S3Input, context)
+    })
+  };
 };
 
 const serializeAws_json1_1ProcessingInputs = (
@@ -16008,34 +15206,24 @@ const serializeAws_json1_1ProcessingOutput = (
   input: ProcessingOutput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.OutputName !== undefined) {
-    bodyParams["OutputName"] = input.OutputName;
-  }
-  if (input.S3Output !== undefined) {
-    bodyParams["S3Output"] = serializeAws_json1_1ProcessingS3Output(
-      input.S3Output,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.OutputName !== undefined && { OutputName: input.OutputName }),
+    ...(input.S3Output !== undefined && {
+      S3Output: serializeAws_json1_1ProcessingS3Output(input.S3Output, context)
+    })
+  };
 };
 
 const serializeAws_json1_1ProcessingOutputConfig = (
   input: ProcessingOutputConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.KmsKeyId !== undefined) {
-    bodyParams["KmsKeyId"] = input.KmsKeyId;
-  }
-  if (input.Outputs !== undefined) {
-    bodyParams["Outputs"] = serializeAws_json1_1ProcessingOutputs(
-      input.Outputs,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.KmsKeyId !== undefined && { KmsKeyId: input.KmsKeyId }),
+    ...(input.Outputs !== undefined && {
+      Outputs: serializeAws_json1_1ProcessingOutputs(input.Outputs, context)
+    })
+  };
 };
 
 const serializeAws_json1_1ProcessingOutputs = (
@@ -16051,94 +15239,78 @@ const serializeAws_json1_1ProcessingResources = (
   input: ProcessingResources,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ClusterConfig !== undefined) {
-    bodyParams["ClusterConfig"] = serializeAws_json1_1ProcessingClusterConfig(
-      input.ClusterConfig,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ClusterConfig !== undefined && {
+      ClusterConfig: serializeAws_json1_1ProcessingClusterConfig(
+        input.ClusterConfig,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1ProcessingS3Input = (
   input: ProcessingS3Input,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.LocalPath !== undefined) {
-    bodyParams["LocalPath"] = input.LocalPath;
-  }
-  if (input.S3CompressionType !== undefined) {
-    bodyParams["S3CompressionType"] = input.S3CompressionType;
-  }
-  if (input.S3DataDistributionType !== undefined) {
-    bodyParams["S3DataDistributionType"] = input.S3DataDistributionType;
-  }
-  if (input.S3DataType !== undefined) {
-    bodyParams["S3DataType"] = input.S3DataType;
-  }
-  if (input.S3InputMode !== undefined) {
-    bodyParams["S3InputMode"] = input.S3InputMode;
-  }
-  if (input.S3Uri !== undefined) {
-    bodyParams["S3Uri"] = input.S3Uri;
-  }
-  return bodyParams;
+  return {
+    ...(input.LocalPath !== undefined && { LocalPath: input.LocalPath }),
+    ...(input.S3CompressionType !== undefined && {
+      S3CompressionType: input.S3CompressionType
+    }),
+    ...(input.S3DataDistributionType !== undefined && {
+      S3DataDistributionType: input.S3DataDistributionType
+    }),
+    ...(input.S3DataType !== undefined && { S3DataType: input.S3DataType }),
+    ...(input.S3InputMode !== undefined && { S3InputMode: input.S3InputMode }),
+    ...(input.S3Uri !== undefined && { S3Uri: input.S3Uri })
+  };
 };
 
 const serializeAws_json1_1ProcessingS3Output = (
   input: ProcessingS3Output,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.LocalPath !== undefined) {
-    bodyParams["LocalPath"] = input.LocalPath;
-  }
-  if (input.S3UploadMode !== undefined) {
-    bodyParams["S3UploadMode"] = input.S3UploadMode;
-  }
-  if (input.S3Uri !== undefined) {
-    bodyParams["S3Uri"] = input.S3Uri;
-  }
-  return bodyParams;
+  return {
+    ...(input.LocalPath !== undefined && { LocalPath: input.LocalPath }),
+    ...(input.S3UploadMode !== undefined && {
+      S3UploadMode: input.S3UploadMode
+    }),
+    ...(input.S3Uri !== undefined && { S3Uri: input.S3Uri })
+  };
 };
 
 const serializeAws_json1_1ProcessingStoppingCondition = (
   input: ProcessingStoppingCondition,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxRuntimeInSeconds !== undefined) {
-    bodyParams["MaxRuntimeInSeconds"] = input.MaxRuntimeInSeconds;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxRuntimeInSeconds !== undefined && {
+      MaxRuntimeInSeconds: input.MaxRuntimeInSeconds
+    })
+  };
 };
 
 const serializeAws_json1_1ProductionVariant = (
   input: ProductionVariant,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AcceleratorType !== undefined) {
-    bodyParams["AcceleratorType"] = input.AcceleratorType;
-  }
-  if (input.InitialInstanceCount !== undefined) {
-    bodyParams["InitialInstanceCount"] = input.InitialInstanceCount;
-  }
-  if (input.InitialVariantWeight !== undefined) {
-    bodyParams["InitialVariantWeight"] = input.InitialVariantWeight;
-  }
-  if (input.InstanceType !== undefined) {
-    bodyParams["InstanceType"] = input.InstanceType;
-  }
-  if (input.ModelName !== undefined) {
-    bodyParams["ModelName"] = input.ModelName;
-  }
-  if (input.VariantName !== undefined) {
-    bodyParams["VariantName"] = input.VariantName;
-  }
-  return bodyParams;
+  return {
+    ...(input.AcceleratorType !== undefined && {
+      AcceleratorType: input.AcceleratorType
+    }),
+    ...(input.InitialInstanceCount !== undefined && {
+      InitialInstanceCount: input.InitialInstanceCount
+    }),
+    ...(input.InitialVariantWeight !== undefined && {
+      InitialVariantWeight: input.InitialVariantWeight
+    }),
+    ...(input.InstanceType !== undefined && {
+      InstanceType: input.InstanceType
+    }),
+    ...(input.ModelName !== undefined && { ModelName: input.ModelName }),
+    ...(input.VariantName !== undefined && { VariantName: input.VariantName })
+  };
 };
 
 const serializeAws_json1_1ProductionVariantList = (
@@ -16154,25 +15326,22 @@ const serializeAws_json1_1PropertyNameQuery = (
   input: PropertyNameQuery,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.PropertyNameHint !== undefined) {
-    bodyParams["PropertyNameHint"] = input.PropertyNameHint;
-  }
-  return bodyParams;
+  return {
+    ...(input.PropertyNameHint !== undefined && {
+      PropertyNameHint: input.PropertyNameHint
+    })
+  };
 };
 
 const serializeAws_json1_1PublicWorkforceTaskPrice = (
   input: PublicWorkforceTaskPrice,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AmountInUsd !== undefined) {
-    bodyParams["AmountInUsd"] = serializeAws_json1_1USD(
-      input.AmountInUsd,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.AmountInUsd !== undefined && {
+      AmountInUsd: serializeAws_json1_1USD(input.AmountInUsd, context)
+    })
+  };
 };
 
 const serializeAws_json1_1RealtimeInferenceInstanceTypes = (
@@ -16186,82 +15355,72 @@ const serializeAws_json1_1RenderUiTemplateRequest = (
   input: RenderUiTemplateRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.RoleArn !== undefined) {
-    bodyParams["RoleArn"] = input.RoleArn;
-  }
-  if (input.Task !== undefined) {
-    bodyParams["Task"] = serializeAws_json1_1RenderableTask(
-      input.Task,
-      context
-    );
-  }
-  if (input.UiTemplate !== undefined) {
-    bodyParams["UiTemplate"] = serializeAws_json1_1UiTemplate(
-      input.UiTemplate,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.RoleArn !== undefined && { RoleArn: input.RoleArn }),
+    ...(input.Task !== undefined && {
+      Task: serializeAws_json1_1RenderableTask(input.Task, context)
+    }),
+    ...(input.UiTemplate !== undefined && {
+      UiTemplate: serializeAws_json1_1UiTemplate(input.UiTemplate, context)
+    })
+  };
 };
 
 const serializeAws_json1_1RenderableTask = (
   input: RenderableTask,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Input !== undefined) {
-    bodyParams["Input"] = input.Input;
-  }
-  return bodyParams;
+  return {
+    ...(input.Input !== undefined && { Input: input.Input })
+  };
 };
 
 const serializeAws_json1_1ResourceConfig = (
   input: ResourceConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.InstanceCount !== undefined) {
-    bodyParams["InstanceCount"] = input.InstanceCount;
-  }
-  if (input.InstanceType !== undefined) {
-    bodyParams["InstanceType"] = input.InstanceType;
-  }
-  if (input.VolumeKmsKeyId !== undefined) {
-    bodyParams["VolumeKmsKeyId"] = input.VolumeKmsKeyId;
-  }
-  if (input.VolumeSizeInGB !== undefined) {
-    bodyParams["VolumeSizeInGB"] = input.VolumeSizeInGB;
-  }
-  return bodyParams;
+  return {
+    ...(input.InstanceCount !== undefined && {
+      InstanceCount: input.InstanceCount
+    }),
+    ...(input.InstanceType !== undefined && {
+      InstanceType: input.InstanceType
+    }),
+    ...(input.VolumeKmsKeyId !== undefined && {
+      VolumeKmsKeyId: input.VolumeKmsKeyId
+    }),
+    ...(input.VolumeSizeInGB !== undefined && {
+      VolumeSizeInGB: input.VolumeSizeInGB
+    })
+  };
 };
 
 const serializeAws_json1_1ResourceLimits = (
   input: ResourceLimits,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxNumberOfTrainingJobs !== undefined) {
-    bodyParams["MaxNumberOfTrainingJobs"] = input.MaxNumberOfTrainingJobs;
-  }
-  if (input.MaxParallelTrainingJobs !== undefined) {
-    bodyParams["MaxParallelTrainingJobs"] = input.MaxParallelTrainingJobs;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxNumberOfTrainingJobs !== undefined && {
+      MaxNumberOfTrainingJobs: input.MaxNumberOfTrainingJobs
+    }),
+    ...(input.MaxParallelTrainingJobs !== undefined && {
+      MaxParallelTrainingJobs: input.MaxParallelTrainingJobs
+    })
+  };
 };
 
 const serializeAws_json1_1ResourceSpec = (
   input: ResourceSpec,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EnvironmentArn !== undefined) {
-    bodyParams["EnvironmentArn"] = input.EnvironmentArn;
-  }
-  if (input.InstanceType !== undefined) {
-    bodyParams["InstanceType"] = input.InstanceType;
-  }
-  return bodyParams;
+  return {
+    ...(input.EnvironmentArn !== undefined && {
+      EnvironmentArn: input.EnvironmentArn
+    }),
+    ...(input.InstanceType !== undefined && {
+      InstanceType: input.InstanceType
+    })
+  };
 };
 
 const serializeAws_json1_1ResponseMIMETypes = (
@@ -16275,11 +15434,11 @@ const serializeAws_json1_1RetentionPolicy = (
   input: RetentionPolicy,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.HomeEfsFileSystem !== undefined) {
-    bodyParams["HomeEfsFileSystem"] = input.HomeEfsFileSystem;
-  }
-  return bodyParams;
+  return {
+    ...(input.HomeEfsFileSystem !== undefined && {
+      HomeEfsFileSystem: input.HomeEfsFileSystem
+    })
+  };
 };
 
 const serializeAws_json1_1RuleParameters = (
@@ -16296,63 +15455,54 @@ const serializeAws_json1_1S3DataSource = (
   input: S3DataSource,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AttributeNames !== undefined) {
-    bodyParams["AttributeNames"] = serializeAws_json1_1AttributeNames(
-      input.AttributeNames,
-      context
-    );
-  }
-  if (input.S3DataDistributionType !== undefined) {
-    bodyParams["S3DataDistributionType"] = input.S3DataDistributionType;
-  }
-  if (input.S3DataType !== undefined) {
-    bodyParams["S3DataType"] = input.S3DataType;
-  }
-  if (input.S3Uri !== undefined) {
-    bodyParams["S3Uri"] = input.S3Uri;
-  }
-  return bodyParams;
+  return {
+    ...(input.AttributeNames !== undefined && {
+      AttributeNames: serializeAws_json1_1AttributeNames(
+        input.AttributeNames,
+        context
+      )
+    }),
+    ...(input.S3DataDistributionType !== undefined && {
+      S3DataDistributionType: input.S3DataDistributionType
+    }),
+    ...(input.S3DataType !== undefined && { S3DataType: input.S3DataType }),
+    ...(input.S3Uri !== undefined && { S3Uri: input.S3Uri })
+  };
 };
 
 const serializeAws_json1_1ScheduleConfig = (
   input: ScheduleConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ScheduleExpression !== undefined) {
-    bodyParams["ScheduleExpression"] = input.ScheduleExpression;
-  }
-  return bodyParams;
+  return {
+    ...(input.ScheduleExpression !== undefined && {
+      ScheduleExpression: input.ScheduleExpression
+    })
+  };
 };
 
 const serializeAws_json1_1SearchExpression = (
   input: SearchExpression,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Filters !== undefined) {
-    bodyParams["Filters"] = serializeAws_json1_1FilterList(
-      input.Filters,
-      context
-    );
-  }
-  if (input.NestedFilters !== undefined) {
-    bodyParams["NestedFilters"] = serializeAws_json1_1NestedFiltersList(
-      input.NestedFilters,
-      context
-    );
-  }
-  if (input.Operator !== undefined) {
-    bodyParams["Operator"] = input.Operator;
-  }
-  if (input.SubExpressions !== undefined) {
-    bodyParams["SubExpressions"] = serializeAws_json1_1SearchExpressionList(
-      input.SubExpressions,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Filters !== undefined && {
+      Filters: serializeAws_json1_1FilterList(input.Filters, context)
+    }),
+    ...(input.NestedFilters !== undefined && {
+      NestedFilters: serializeAws_json1_1NestedFiltersList(
+        input.NestedFilters,
+        context
+      )
+    }),
+    ...(input.Operator !== undefined && { Operator: input.Operator }),
+    ...(input.SubExpressions !== undefined && {
+      SubExpressions: serializeAws_json1_1SearchExpressionList(
+        input.SubExpressions,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1SearchExpressionList = (
@@ -16368,29 +15518,19 @@ const serializeAws_json1_1SearchRequest = (
   input: SearchRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.Resource !== undefined) {
-    bodyParams["Resource"] = input.Resource;
-  }
-  if (input.SearchExpression !== undefined) {
-    bodyParams["SearchExpression"] = serializeAws_json1_1SearchExpression(
-      input.SearchExpression,
-      context
-    );
-  }
-  if (input.SortBy !== undefined) {
-    bodyParams["SortBy"] = input.SortBy;
-  }
-  if (input.SortOrder !== undefined) {
-    bodyParams["SortOrder"] = input.SortOrder;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.Resource !== undefined && { Resource: input.Resource }),
+    ...(input.SearchExpression !== undefined && {
+      SearchExpression: serializeAws_json1_1SearchExpression(
+        input.SearchExpression,
+        context
+      )
+    }),
+    ...(input.SortBy !== undefined && { SortBy: input.SortBy }),
+    ...(input.SortOrder !== undefined && { SortOrder: input.SortOrder })
+  };
 };
 
 const serializeAws_json1_1SecurityGroupIds = (
@@ -16404,42 +15544,38 @@ const serializeAws_json1_1SharingSettings = (
   input: SharingSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.NotebookOutputOption !== undefined) {
-    bodyParams["NotebookOutputOption"] = input.NotebookOutputOption;
-  }
-  if (input.S3KmsKeyId !== undefined) {
-    bodyParams["S3KmsKeyId"] = input.S3KmsKeyId;
-  }
-  if (input.S3OutputPath !== undefined) {
-    bodyParams["S3OutputPath"] = input.S3OutputPath;
-  }
-  return bodyParams;
+  return {
+    ...(input.NotebookOutputOption !== undefined && {
+      NotebookOutputOption: input.NotebookOutputOption
+    }),
+    ...(input.S3KmsKeyId !== undefined && { S3KmsKeyId: input.S3KmsKeyId }),
+    ...(input.S3OutputPath !== undefined && {
+      S3OutputPath: input.S3OutputPath
+    })
+  };
 };
 
 const serializeAws_json1_1ShuffleConfig = (
   input: ShuffleConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Seed !== undefined) {
-    bodyParams["Seed"] = input.Seed;
-  }
-  return bodyParams;
+  return {
+    ...(input.Seed !== undefined && { Seed: input.Seed })
+  };
 };
 
 const serializeAws_json1_1SourceAlgorithm = (
   input: SourceAlgorithm,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AlgorithmName !== undefined) {
-    bodyParams["AlgorithmName"] = input.AlgorithmName;
-  }
-  if (input.ModelDataUrl !== undefined) {
-    bodyParams["ModelDataUrl"] = input.ModelDataUrl;
-  }
-  return bodyParams;
+  return {
+    ...(input.AlgorithmName !== undefined && {
+      AlgorithmName: input.AlgorithmName
+    }),
+    ...(input.ModelDataUrl !== undefined && {
+      ModelDataUrl: input.ModelDataUrl
+    })
+  };
 };
 
 const serializeAws_json1_1SourceAlgorithmList = (
@@ -16455,161 +15591,160 @@ const serializeAws_json1_1SourceAlgorithmSpecification = (
   input: SourceAlgorithmSpecification,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.SourceAlgorithms !== undefined) {
-    bodyParams["SourceAlgorithms"] = serializeAws_json1_1SourceAlgorithmList(
-      input.SourceAlgorithms,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.SourceAlgorithms !== undefined && {
+      SourceAlgorithms: serializeAws_json1_1SourceAlgorithmList(
+        input.SourceAlgorithms,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1SourceIpConfig = (
   input: SourceIpConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Cidrs !== undefined) {
-    bodyParams["Cidrs"] = serializeAws_json1_1Cidrs(input.Cidrs, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.Cidrs !== undefined && {
+      Cidrs: serializeAws_json1_1Cidrs(input.Cidrs, context)
+    })
+  };
 };
 
 const serializeAws_json1_1StartMonitoringScheduleRequest = (
   input: StartMonitoringScheduleRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MonitoringScheduleName !== undefined) {
-    bodyParams["MonitoringScheduleName"] = input.MonitoringScheduleName;
-  }
-  return bodyParams;
+  return {
+    ...(input.MonitoringScheduleName !== undefined && {
+      MonitoringScheduleName: input.MonitoringScheduleName
+    })
+  };
 };
 
 const serializeAws_json1_1StartNotebookInstanceInput = (
   input: StartNotebookInstanceInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.NotebookInstanceName !== undefined) {
-    bodyParams["NotebookInstanceName"] = input.NotebookInstanceName;
-  }
-  return bodyParams;
+  return {
+    ...(input.NotebookInstanceName !== undefined && {
+      NotebookInstanceName: input.NotebookInstanceName
+    })
+  };
 };
 
 const serializeAws_json1_1StopAutoMLJobRequest = (
   input: StopAutoMLJobRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AutoMLJobName !== undefined) {
-    bodyParams["AutoMLJobName"] = input.AutoMLJobName;
-  }
-  return bodyParams;
+  return {
+    ...(input.AutoMLJobName !== undefined && {
+      AutoMLJobName: input.AutoMLJobName
+    })
+  };
 };
 
 const serializeAws_json1_1StopCompilationJobRequest = (
   input: StopCompilationJobRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CompilationJobName !== undefined) {
-    bodyParams["CompilationJobName"] = input.CompilationJobName;
-  }
-  return bodyParams;
+  return {
+    ...(input.CompilationJobName !== undefined && {
+      CompilationJobName: input.CompilationJobName
+    })
+  };
 };
 
 const serializeAws_json1_1StopHyperParameterTuningJobRequest = (
   input: StopHyperParameterTuningJobRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.HyperParameterTuningJobName !== undefined) {
-    bodyParams["HyperParameterTuningJobName"] =
-      input.HyperParameterTuningJobName;
-  }
-  return bodyParams;
+  return {
+    ...(input.HyperParameterTuningJobName !== undefined && {
+      HyperParameterTuningJobName: input.HyperParameterTuningJobName
+    })
+  };
 };
 
 const serializeAws_json1_1StopLabelingJobRequest = (
   input: StopLabelingJobRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.LabelingJobName !== undefined) {
-    bodyParams["LabelingJobName"] = input.LabelingJobName;
-  }
-  return bodyParams;
+  return {
+    ...(input.LabelingJobName !== undefined && {
+      LabelingJobName: input.LabelingJobName
+    })
+  };
 };
 
 const serializeAws_json1_1StopMonitoringScheduleRequest = (
   input: StopMonitoringScheduleRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MonitoringScheduleName !== undefined) {
-    bodyParams["MonitoringScheduleName"] = input.MonitoringScheduleName;
-  }
-  return bodyParams;
+  return {
+    ...(input.MonitoringScheduleName !== undefined && {
+      MonitoringScheduleName: input.MonitoringScheduleName
+    })
+  };
 };
 
 const serializeAws_json1_1StopNotebookInstanceInput = (
   input: StopNotebookInstanceInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.NotebookInstanceName !== undefined) {
-    bodyParams["NotebookInstanceName"] = input.NotebookInstanceName;
-  }
-  return bodyParams;
+  return {
+    ...(input.NotebookInstanceName !== undefined && {
+      NotebookInstanceName: input.NotebookInstanceName
+    })
+  };
 };
 
 const serializeAws_json1_1StopProcessingJobRequest = (
   input: StopProcessingJobRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ProcessingJobName !== undefined) {
-    bodyParams["ProcessingJobName"] = input.ProcessingJobName;
-  }
-  return bodyParams;
+  return {
+    ...(input.ProcessingJobName !== undefined && {
+      ProcessingJobName: input.ProcessingJobName
+    })
+  };
 };
 
 const serializeAws_json1_1StopTrainingJobRequest = (
   input: StopTrainingJobRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.TrainingJobName !== undefined) {
-    bodyParams["TrainingJobName"] = input.TrainingJobName;
-  }
-  return bodyParams;
+  return {
+    ...(input.TrainingJobName !== undefined && {
+      TrainingJobName: input.TrainingJobName
+    })
+  };
 };
 
 const serializeAws_json1_1StopTransformJobRequest = (
   input: StopTransformJobRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.TransformJobName !== undefined) {
-    bodyParams["TransformJobName"] = input.TransformJobName;
-  }
-  return bodyParams;
+  return {
+    ...(input.TransformJobName !== undefined && {
+      TransformJobName: input.TransformJobName
+    })
+  };
 };
 
 const serializeAws_json1_1StoppingCondition = (
   input: StoppingCondition,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxRuntimeInSeconds !== undefined) {
-    bodyParams["MaxRuntimeInSeconds"] = input.MaxRuntimeInSeconds;
-  }
-  if (input.MaxWaitTimeInSeconds !== undefined) {
-    bodyParams["MaxWaitTimeInSeconds"] = input.MaxWaitTimeInSeconds;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxRuntimeInSeconds !== undefined && {
+      MaxRuntimeInSeconds: input.MaxRuntimeInSeconds
+    }),
+    ...(input.MaxWaitTimeInSeconds !== undefined && {
+      MaxWaitTimeInSeconds: input.MaxWaitTimeInSeconds
+    })
+  };
 };
 
 const serializeAws_json1_1Subnets = (
@@ -16623,25 +15758,21 @@ const serializeAws_json1_1SuggestionQuery = (
   input: SuggestionQuery,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.PropertyNameQuery !== undefined) {
-    bodyParams["PropertyNameQuery"] = serializeAws_json1_1PropertyNameQuery(
-      input.PropertyNameQuery,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.PropertyNameQuery !== undefined && {
+      PropertyNameQuery: serializeAws_json1_1PropertyNameQuery(
+        input.PropertyNameQuery,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1Tag = (input: Tag, context: __SerdeContext): any => {
-  const bodyParams: any = {};
-  if (input.Key !== undefined) {
-    bodyParams["Key"] = input.Key;
-  }
-  if (input.Value !== undefined) {
-    bodyParams["Value"] = input.Value;
-  }
-  return bodyParams;
+  return {
+    ...(input.Key !== undefined && { Key: input.Key }),
+    ...(input.Value !== undefined && { Value: input.Value })
+  };
 };
 
 const serializeAws_json1_1TagKeyList = (
@@ -16669,28 +15800,26 @@ const serializeAws_json1_1TensorBoardAppSettings = (
   input: TensorBoardAppSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DefaultResourceSpec !== undefined) {
-    bodyParams["DefaultResourceSpec"] = serializeAws_json1_1ResourceSpec(
-      input.DefaultResourceSpec,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.DefaultResourceSpec !== undefined && {
+      DefaultResourceSpec: serializeAws_json1_1ResourceSpec(
+        input.DefaultResourceSpec,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1TensorBoardOutputConfig = (
   input: TensorBoardOutputConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.LocalPath !== undefined) {
-    bodyParams["LocalPath"] = input.LocalPath;
-  }
-  if (input.S3OutputPath !== undefined) {
-    bodyParams["S3OutputPath"] = input.S3OutputPath;
-  }
-  return bodyParams;
+  return {
+    ...(input.LocalPath !== undefined && { LocalPath: input.LocalPath }),
+    ...(input.S3OutputPath !== undefined && {
+      S3OutputPath: input.S3OutputPath
+    })
+  };
 };
 
 const serializeAws_json1_1TrainingInstanceTypes = (
@@ -16704,109 +15833,102 @@ const serializeAws_json1_1TrainingJobDefinition = (
   input: TrainingJobDefinition,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.HyperParameters !== undefined) {
-    bodyParams["HyperParameters"] = serializeAws_json1_1HyperParameters(
-      input.HyperParameters,
-      context
-    );
-  }
-  if (input.InputDataConfig !== undefined) {
-    bodyParams["InputDataConfig"] = serializeAws_json1_1InputDataConfig(
-      input.InputDataConfig,
-      context
-    );
-  }
-  if (input.OutputDataConfig !== undefined) {
-    bodyParams["OutputDataConfig"] = serializeAws_json1_1OutputDataConfig(
-      input.OutputDataConfig,
-      context
-    );
-  }
-  if (input.ResourceConfig !== undefined) {
-    bodyParams["ResourceConfig"] = serializeAws_json1_1ResourceConfig(
-      input.ResourceConfig,
-      context
-    );
-  }
-  if (input.StoppingCondition !== undefined) {
-    bodyParams["StoppingCondition"] = serializeAws_json1_1StoppingCondition(
-      input.StoppingCondition,
-      context
-    );
-  }
-  if (input.TrainingInputMode !== undefined) {
-    bodyParams["TrainingInputMode"] = input.TrainingInputMode;
-  }
-  return bodyParams;
+  return {
+    ...(input.HyperParameters !== undefined && {
+      HyperParameters: serializeAws_json1_1HyperParameters(
+        input.HyperParameters,
+        context
+      )
+    }),
+    ...(input.InputDataConfig !== undefined && {
+      InputDataConfig: serializeAws_json1_1InputDataConfig(
+        input.InputDataConfig,
+        context
+      )
+    }),
+    ...(input.OutputDataConfig !== undefined && {
+      OutputDataConfig: serializeAws_json1_1OutputDataConfig(
+        input.OutputDataConfig,
+        context
+      )
+    }),
+    ...(input.ResourceConfig !== undefined && {
+      ResourceConfig: serializeAws_json1_1ResourceConfig(
+        input.ResourceConfig,
+        context
+      )
+    }),
+    ...(input.StoppingCondition !== undefined && {
+      StoppingCondition: serializeAws_json1_1StoppingCondition(
+        input.StoppingCondition,
+        context
+      )
+    }),
+    ...(input.TrainingInputMode !== undefined && {
+      TrainingInputMode: input.TrainingInputMode
+    })
+  };
 };
 
 const serializeAws_json1_1TrainingSpecification = (
   input: TrainingSpecification,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MetricDefinitions !== undefined) {
-    bodyParams["MetricDefinitions"] = serializeAws_json1_1MetricDefinitionList(
-      input.MetricDefinitions,
-      context
-    );
-  }
-  if (input.SupportedHyperParameters !== undefined) {
-    bodyParams[
-      "SupportedHyperParameters"
-    ] = serializeAws_json1_1HyperParameterSpecifications(
-      input.SupportedHyperParameters,
-      context
-    );
-  }
-  if (input.SupportedTrainingInstanceTypes !== undefined) {
-    bodyParams[
-      "SupportedTrainingInstanceTypes"
-    ] = serializeAws_json1_1TrainingInstanceTypes(
-      input.SupportedTrainingInstanceTypes,
-      context
-    );
-  }
-  if (input.SupportedTuningJobObjectiveMetrics !== undefined) {
-    bodyParams[
-      "SupportedTuningJobObjectiveMetrics"
-    ] = serializeAws_json1_1HyperParameterTuningJobObjectives(
-      input.SupportedTuningJobObjectiveMetrics,
-      context
-    );
-  }
-  if (input.SupportsDistributedTraining !== undefined) {
-    bodyParams["SupportsDistributedTraining"] =
-      input.SupportsDistributedTraining;
-  }
-  if (input.TrainingChannels !== undefined) {
-    bodyParams["TrainingChannels"] = serializeAws_json1_1ChannelSpecifications(
-      input.TrainingChannels,
-      context
-    );
-  }
-  if (input.TrainingImage !== undefined) {
-    bodyParams["TrainingImage"] = input.TrainingImage;
-  }
-  if (input.TrainingImageDigest !== undefined) {
-    bodyParams["TrainingImageDigest"] = input.TrainingImageDigest;
-  }
-  return bodyParams;
+  return {
+    ...(input.MetricDefinitions !== undefined && {
+      MetricDefinitions: serializeAws_json1_1MetricDefinitionList(
+        input.MetricDefinitions,
+        context
+      )
+    }),
+    ...(input.SupportedHyperParameters !== undefined && {
+      SupportedHyperParameters: serializeAws_json1_1HyperParameterSpecifications(
+        input.SupportedHyperParameters,
+        context
+      )
+    }),
+    ...(input.SupportedTrainingInstanceTypes !== undefined && {
+      SupportedTrainingInstanceTypes: serializeAws_json1_1TrainingInstanceTypes(
+        input.SupportedTrainingInstanceTypes,
+        context
+      )
+    }),
+    ...(input.SupportedTuningJobObjectiveMetrics !== undefined && {
+      SupportedTuningJobObjectiveMetrics: serializeAws_json1_1HyperParameterTuningJobObjectives(
+        input.SupportedTuningJobObjectiveMetrics,
+        context
+      )
+    }),
+    ...(input.SupportsDistributedTraining !== undefined && {
+      SupportsDistributedTraining: input.SupportsDistributedTraining
+    }),
+    ...(input.TrainingChannels !== undefined && {
+      TrainingChannels: serializeAws_json1_1ChannelSpecifications(
+        input.TrainingChannels,
+        context
+      )
+    }),
+    ...(input.TrainingImage !== undefined && {
+      TrainingImage: input.TrainingImage
+    }),
+    ...(input.TrainingImageDigest !== undefined && {
+      TrainingImageDigest: input.TrainingImageDigest
+    })
+  };
 };
 
 const serializeAws_json1_1TransformDataSource = (
   input: TransformDataSource,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.S3DataSource !== undefined) {
-    bodyParams["S3DataSource"] = serializeAws_json1_1TransformS3DataSource(
-      input.S3DataSource,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.S3DataSource !== undefined && {
+      S3DataSource: serializeAws_json1_1TransformS3DataSource(
+        input.S3DataSource,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1TransformEnvironmentMap = (
@@ -16823,23 +15945,19 @@ const serializeAws_json1_1TransformInput = (
   input: TransformInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CompressionType !== undefined) {
-    bodyParams["CompressionType"] = input.CompressionType;
-  }
-  if (input.ContentType !== undefined) {
-    bodyParams["ContentType"] = input.ContentType;
-  }
-  if (input.DataSource !== undefined) {
-    bodyParams["DataSource"] = serializeAws_json1_1TransformDataSource(
-      input.DataSource,
-      context
-    );
-  }
-  if (input.SplitType !== undefined) {
-    bodyParams["SplitType"] = input.SplitType;
-  }
-  return bodyParams;
+  return {
+    ...(input.CompressionType !== undefined && {
+      CompressionType: input.CompressionType
+    }),
+    ...(input.ContentType !== undefined && { ContentType: input.ContentType }),
+    ...(input.DataSource !== undefined && {
+      DataSource: serializeAws_json1_1TransformDataSource(
+        input.DataSource,
+        context
+      )
+    }),
+    ...(input.SplitType !== undefined && { SplitType: input.SplitType })
+  };
 };
 
 const serializeAws_json1_1TransformInstanceTypes = (
@@ -16853,106 +15971,94 @@ const serializeAws_json1_1TransformJobDefinition = (
   input: TransformJobDefinition,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.BatchStrategy !== undefined) {
-    bodyParams["BatchStrategy"] = input.BatchStrategy;
-  }
-  if (input.Environment !== undefined) {
-    bodyParams["Environment"] = serializeAws_json1_1TransformEnvironmentMap(
-      input.Environment,
-      context
-    );
-  }
-  if (input.MaxConcurrentTransforms !== undefined) {
-    bodyParams["MaxConcurrentTransforms"] = input.MaxConcurrentTransforms;
-  }
-  if (input.MaxPayloadInMB !== undefined) {
-    bodyParams["MaxPayloadInMB"] = input.MaxPayloadInMB;
-  }
-  if (input.TransformInput !== undefined) {
-    bodyParams["TransformInput"] = serializeAws_json1_1TransformInput(
-      input.TransformInput,
-      context
-    );
-  }
-  if (input.TransformOutput !== undefined) {
-    bodyParams["TransformOutput"] = serializeAws_json1_1TransformOutput(
-      input.TransformOutput,
-      context
-    );
-  }
-  if (input.TransformResources !== undefined) {
-    bodyParams["TransformResources"] = serializeAws_json1_1TransformResources(
-      input.TransformResources,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.BatchStrategy !== undefined && {
+      BatchStrategy: input.BatchStrategy
+    }),
+    ...(input.Environment !== undefined && {
+      Environment: serializeAws_json1_1TransformEnvironmentMap(
+        input.Environment,
+        context
+      )
+    }),
+    ...(input.MaxConcurrentTransforms !== undefined && {
+      MaxConcurrentTransforms: input.MaxConcurrentTransforms
+    }),
+    ...(input.MaxPayloadInMB !== undefined && {
+      MaxPayloadInMB: input.MaxPayloadInMB
+    }),
+    ...(input.TransformInput !== undefined && {
+      TransformInput: serializeAws_json1_1TransformInput(
+        input.TransformInput,
+        context
+      )
+    }),
+    ...(input.TransformOutput !== undefined && {
+      TransformOutput: serializeAws_json1_1TransformOutput(
+        input.TransformOutput,
+        context
+      )
+    }),
+    ...(input.TransformResources !== undefined && {
+      TransformResources: serializeAws_json1_1TransformResources(
+        input.TransformResources,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1TransformOutput = (
   input: TransformOutput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Accept !== undefined) {
-    bodyParams["Accept"] = input.Accept;
-  }
-  if (input.AssembleWith !== undefined) {
-    bodyParams["AssembleWith"] = input.AssembleWith;
-  }
-  if (input.KmsKeyId !== undefined) {
-    bodyParams["KmsKeyId"] = input.KmsKeyId;
-  }
-  if (input.S3OutputPath !== undefined) {
-    bodyParams["S3OutputPath"] = input.S3OutputPath;
-  }
-  return bodyParams;
+  return {
+    ...(input.Accept !== undefined && { Accept: input.Accept }),
+    ...(input.AssembleWith !== undefined && {
+      AssembleWith: input.AssembleWith
+    }),
+    ...(input.KmsKeyId !== undefined && { KmsKeyId: input.KmsKeyId }),
+    ...(input.S3OutputPath !== undefined && {
+      S3OutputPath: input.S3OutputPath
+    })
+  };
 };
 
 const serializeAws_json1_1TransformResources = (
   input: TransformResources,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.InstanceCount !== undefined) {
-    bodyParams["InstanceCount"] = input.InstanceCount;
-  }
-  if (input.InstanceType !== undefined) {
-    bodyParams["InstanceType"] = input.InstanceType;
-  }
-  if (input.VolumeKmsKeyId !== undefined) {
-    bodyParams["VolumeKmsKeyId"] = input.VolumeKmsKeyId;
-  }
-  return bodyParams;
+  return {
+    ...(input.InstanceCount !== undefined && {
+      InstanceCount: input.InstanceCount
+    }),
+    ...(input.InstanceType !== undefined && {
+      InstanceType: input.InstanceType
+    }),
+    ...(input.VolumeKmsKeyId !== undefined && {
+      VolumeKmsKeyId: input.VolumeKmsKeyId
+    })
+  };
 };
 
 const serializeAws_json1_1TransformS3DataSource = (
   input: TransformS3DataSource,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.S3DataType !== undefined) {
-    bodyParams["S3DataType"] = input.S3DataType;
-  }
-  if (input.S3Uri !== undefined) {
-    bodyParams["S3Uri"] = input.S3Uri;
-  }
-  return bodyParams;
+  return {
+    ...(input.S3DataType !== undefined && { S3DataType: input.S3DataType }),
+    ...(input.S3Uri !== undefined && { S3Uri: input.S3Uri })
+  };
 };
 
 const serializeAws_json1_1TrialComponentArtifact = (
   input: TrialComponentArtifact,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MediaType !== undefined) {
-    bodyParams["MediaType"] = input.MediaType;
-  }
-  if (input.Value !== undefined) {
-    bodyParams["Value"] = input.Value;
-  }
-  return bodyParams;
+  return {
+    ...(input.MediaType !== undefined && { MediaType: input.MediaType }),
+    ...(input.Value !== undefined && { Value: input.Value })
+  };
 };
 
 const serializeAws_json1_1TrialComponentArtifacts = (
@@ -16969,14 +16075,10 @@ const serializeAws_json1_1TrialComponentParameterValue = (
   input: TrialComponentParameterValue,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.NumberValue !== undefined) {
-    bodyParams["NumberValue"] = input.NumberValue;
-  }
-  if (input.StringValue !== undefined) {
-    bodyParams["StringValue"] = input.StringValue;
-  }
-  return bodyParams;
+  return {
+    ...(input.NumberValue !== undefined && { NumberValue: input.NumberValue }),
+    ...(input.StringValue !== undefined && { StringValue: input.StringValue })
+  };
 };
 
 const serializeAws_json1_1TrialComponentParameters = (
@@ -16996,464 +16098,404 @@ const serializeAws_json1_1TrialComponentStatus = (
   input: TrialComponentStatus,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Message !== undefined) {
-    bodyParams["Message"] = input.Message;
-  }
-  if (input.PrimaryStatus !== undefined) {
-    bodyParams["PrimaryStatus"] = input.PrimaryStatus;
-  }
-  return bodyParams;
+  return {
+    ...(input.Message !== undefined && { Message: input.Message }),
+    ...(input.PrimaryStatus !== undefined && {
+      PrimaryStatus: input.PrimaryStatus
+    })
+  };
 };
 
 const serializeAws_json1_1TuningJobCompletionCriteria = (
   input: TuningJobCompletionCriteria,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.TargetObjectiveMetricValue !== undefined) {
-    bodyParams["TargetObjectiveMetricValue"] = input.TargetObjectiveMetricValue;
-  }
-  return bodyParams;
+  return {
+    ...(input.TargetObjectiveMetricValue !== undefined && {
+      TargetObjectiveMetricValue: input.TargetObjectiveMetricValue
+    })
+  };
 };
 
 const serializeAws_json1_1USD = (input: USD, context: __SerdeContext): any => {
-  const bodyParams: any = {};
-  if (input.Cents !== undefined) {
-    bodyParams["Cents"] = input.Cents;
-  }
-  if (input.Dollars !== undefined) {
-    bodyParams["Dollars"] = input.Dollars;
-  }
-  if (input.TenthFractionsOfACent !== undefined) {
-    bodyParams["TenthFractionsOfACent"] = input.TenthFractionsOfACent;
-  }
-  return bodyParams;
+  return {
+    ...(input.Cents !== undefined && { Cents: input.Cents }),
+    ...(input.Dollars !== undefined && { Dollars: input.Dollars }),
+    ...(input.TenthFractionsOfACent !== undefined && {
+      TenthFractionsOfACent: input.TenthFractionsOfACent
+    })
+  };
 };
 
 const serializeAws_json1_1UiConfig = (
   input: UiConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.UiTemplateS3Uri !== undefined) {
-    bodyParams["UiTemplateS3Uri"] = input.UiTemplateS3Uri;
-  }
-  return bodyParams;
+  return {
+    ...(input.UiTemplateS3Uri !== undefined && {
+      UiTemplateS3Uri: input.UiTemplateS3Uri
+    })
+  };
 };
 
 const serializeAws_json1_1UiTemplate = (
   input: UiTemplate,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Content !== undefined) {
-    bodyParams["Content"] = input.Content;
-  }
-  return bodyParams;
+  return {
+    ...(input.Content !== undefined && { Content: input.Content })
+  };
 };
 
 const serializeAws_json1_1UpdateCodeRepositoryInput = (
   input: UpdateCodeRepositoryInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CodeRepositoryName !== undefined) {
-    bodyParams["CodeRepositoryName"] = input.CodeRepositoryName;
-  }
-  if (input.GitConfig !== undefined) {
-    bodyParams["GitConfig"] = serializeAws_json1_1GitConfigForUpdate(
-      input.GitConfig,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.CodeRepositoryName !== undefined && {
+      CodeRepositoryName: input.CodeRepositoryName
+    }),
+    ...(input.GitConfig !== undefined && {
+      GitConfig: serializeAws_json1_1GitConfigForUpdate(
+        input.GitConfig,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateDomainRequest = (
   input: UpdateDomainRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DefaultUserSettings !== undefined) {
-    bodyParams["DefaultUserSettings"] = serializeAws_json1_1UserSettings(
-      input.DefaultUserSettings,
-      context
-    );
-  }
-  if (input.DomainId !== undefined) {
-    bodyParams["DomainId"] = input.DomainId;
-  }
-  return bodyParams;
+  return {
+    ...(input.DefaultUserSettings !== undefined && {
+      DefaultUserSettings: serializeAws_json1_1UserSettings(
+        input.DefaultUserSettings,
+        context
+      )
+    }),
+    ...(input.DomainId !== undefined && { DomainId: input.DomainId })
+  };
 };
 
 const serializeAws_json1_1UpdateEndpointInput = (
   input: UpdateEndpointInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EndpointConfigName !== undefined) {
-    bodyParams["EndpointConfigName"] = input.EndpointConfigName;
-  }
-  if (input.EndpointName !== undefined) {
-    bodyParams["EndpointName"] = input.EndpointName;
-  }
-  return bodyParams;
+  return {
+    ...(input.EndpointConfigName !== undefined && {
+      EndpointConfigName: input.EndpointConfigName
+    }),
+    ...(input.EndpointName !== undefined && {
+      EndpointName: input.EndpointName
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateEndpointWeightsAndCapacitiesInput = (
   input: UpdateEndpointWeightsAndCapacitiesInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DesiredWeightsAndCapacities !== undefined) {
-    bodyParams[
-      "DesiredWeightsAndCapacities"
-    ] = serializeAws_json1_1DesiredWeightAndCapacityList(
-      input.DesiredWeightsAndCapacities,
-      context
-    );
-  }
-  if (input.EndpointName !== undefined) {
-    bodyParams["EndpointName"] = input.EndpointName;
-  }
-  return bodyParams;
+  return {
+    ...(input.DesiredWeightsAndCapacities !== undefined && {
+      DesiredWeightsAndCapacities: serializeAws_json1_1DesiredWeightAndCapacityList(
+        input.DesiredWeightsAndCapacities,
+        context
+      )
+    }),
+    ...(input.EndpointName !== undefined && {
+      EndpointName: input.EndpointName
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateExperimentRequest = (
   input: UpdateExperimentRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.DisplayName !== undefined) {
-    bodyParams["DisplayName"] = input.DisplayName;
-  }
-  if (input.ExperimentName !== undefined) {
-    bodyParams["ExperimentName"] = input.ExperimentName;
-  }
-  return bodyParams;
+  return {
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.DisplayName !== undefined && { DisplayName: input.DisplayName }),
+    ...(input.ExperimentName !== undefined && {
+      ExperimentName: input.ExperimentName
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateMonitoringScheduleRequest = (
   input: UpdateMonitoringScheduleRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MonitoringScheduleConfig !== undefined) {
-    bodyParams[
-      "MonitoringScheduleConfig"
-    ] = serializeAws_json1_1MonitoringScheduleConfig(
-      input.MonitoringScheduleConfig,
-      context
-    );
-  }
-  if (input.MonitoringScheduleName !== undefined) {
-    bodyParams["MonitoringScheduleName"] = input.MonitoringScheduleName;
-  }
-  return bodyParams;
+  return {
+    ...(input.MonitoringScheduleConfig !== undefined && {
+      MonitoringScheduleConfig: serializeAws_json1_1MonitoringScheduleConfig(
+        input.MonitoringScheduleConfig,
+        context
+      )
+    }),
+    ...(input.MonitoringScheduleName !== undefined && {
+      MonitoringScheduleName: input.MonitoringScheduleName
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateNotebookInstanceInput = (
   input: UpdateNotebookInstanceInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AcceleratorTypes !== undefined) {
-    bodyParams[
-      "AcceleratorTypes"
-    ] = serializeAws_json1_1NotebookInstanceAcceleratorTypes(
-      input.AcceleratorTypes,
-      context
-    );
-  }
-  if (input.AdditionalCodeRepositories !== undefined) {
-    bodyParams[
-      "AdditionalCodeRepositories"
-    ] = serializeAws_json1_1AdditionalCodeRepositoryNamesOrUrls(
-      input.AdditionalCodeRepositories,
-      context
-    );
-  }
-  if (input.DefaultCodeRepository !== undefined) {
-    bodyParams["DefaultCodeRepository"] = input.DefaultCodeRepository;
-  }
-  if (input.DisassociateAcceleratorTypes !== undefined) {
-    bodyParams["DisassociateAcceleratorTypes"] =
-      input.DisassociateAcceleratorTypes;
-  }
-  if (input.DisassociateAdditionalCodeRepositories !== undefined) {
-    bodyParams["DisassociateAdditionalCodeRepositories"] =
-      input.DisassociateAdditionalCodeRepositories;
-  }
-  if (input.DisassociateDefaultCodeRepository !== undefined) {
-    bodyParams["DisassociateDefaultCodeRepository"] =
-      input.DisassociateDefaultCodeRepository;
-  }
-  if (input.DisassociateLifecycleConfig !== undefined) {
-    bodyParams["DisassociateLifecycleConfig"] =
-      input.DisassociateLifecycleConfig;
-  }
-  if (input.InstanceType !== undefined) {
-    bodyParams["InstanceType"] = input.InstanceType;
-  }
-  if (input.LifecycleConfigName !== undefined) {
-    bodyParams["LifecycleConfigName"] = input.LifecycleConfigName;
-  }
-  if (input.NotebookInstanceName !== undefined) {
-    bodyParams["NotebookInstanceName"] = input.NotebookInstanceName;
-  }
-  if (input.RoleArn !== undefined) {
-    bodyParams["RoleArn"] = input.RoleArn;
-  }
-  if (input.RootAccess !== undefined) {
-    bodyParams["RootAccess"] = input.RootAccess;
-  }
-  if (input.VolumeSizeInGB !== undefined) {
-    bodyParams["VolumeSizeInGB"] = input.VolumeSizeInGB;
-  }
-  return bodyParams;
+  return {
+    ...(input.AcceleratorTypes !== undefined && {
+      AcceleratorTypes: serializeAws_json1_1NotebookInstanceAcceleratorTypes(
+        input.AcceleratorTypes,
+        context
+      )
+    }),
+    ...(input.AdditionalCodeRepositories !== undefined && {
+      AdditionalCodeRepositories: serializeAws_json1_1AdditionalCodeRepositoryNamesOrUrls(
+        input.AdditionalCodeRepositories,
+        context
+      )
+    }),
+    ...(input.DefaultCodeRepository !== undefined && {
+      DefaultCodeRepository: input.DefaultCodeRepository
+    }),
+    ...(input.DisassociateAcceleratorTypes !== undefined && {
+      DisassociateAcceleratorTypes: input.DisassociateAcceleratorTypes
+    }),
+    ...(input.DisassociateAdditionalCodeRepositories !== undefined && {
+      DisassociateAdditionalCodeRepositories:
+        input.DisassociateAdditionalCodeRepositories
+    }),
+    ...(input.DisassociateDefaultCodeRepository !== undefined && {
+      DisassociateDefaultCodeRepository: input.DisassociateDefaultCodeRepository
+    }),
+    ...(input.DisassociateLifecycleConfig !== undefined && {
+      DisassociateLifecycleConfig: input.DisassociateLifecycleConfig
+    }),
+    ...(input.InstanceType !== undefined && {
+      InstanceType: input.InstanceType
+    }),
+    ...(input.LifecycleConfigName !== undefined && {
+      LifecycleConfigName: input.LifecycleConfigName
+    }),
+    ...(input.NotebookInstanceName !== undefined && {
+      NotebookInstanceName: input.NotebookInstanceName
+    }),
+    ...(input.RoleArn !== undefined && { RoleArn: input.RoleArn }),
+    ...(input.RootAccess !== undefined && { RootAccess: input.RootAccess }),
+    ...(input.VolumeSizeInGB !== undefined && {
+      VolumeSizeInGB: input.VolumeSizeInGB
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateNotebookInstanceLifecycleConfigInput = (
   input: UpdateNotebookInstanceLifecycleConfigInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.NotebookInstanceLifecycleConfigName !== undefined) {
-    bodyParams["NotebookInstanceLifecycleConfigName"] =
-      input.NotebookInstanceLifecycleConfigName;
-  }
-  if (input.OnCreate !== undefined) {
-    bodyParams[
-      "OnCreate"
-    ] = serializeAws_json1_1NotebookInstanceLifecycleConfigList(
-      input.OnCreate,
-      context
-    );
-  }
-  if (input.OnStart !== undefined) {
-    bodyParams[
-      "OnStart"
-    ] = serializeAws_json1_1NotebookInstanceLifecycleConfigList(
-      input.OnStart,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.NotebookInstanceLifecycleConfigName !== undefined && {
+      NotebookInstanceLifecycleConfigName:
+        input.NotebookInstanceLifecycleConfigName
+    }),
+    ...(input.OnCreate !== undefined && {
+      OnCreate: serializeAws_json1_1NotebookInstanceLifecycleConfigList(
+        input.OnCreate,
+        context
+      )
+    }),
+    ...(input.OnStart !== undefined && {
+      OnStart: serializeAws_json1_1NotebookInstanceLifecycleConfigList(
+        input.OnStart,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateTrialComponentRequest = (
   input: UpdateTrialComponentRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DisplayName !== undefined) {
-    bodyParams["DisplayName"] = input.DisplayName;
-  }
-  if (input.EndTime !== undefined) {
-    bodyParams["EndTime"] = Math.round(input.EndTime.getTime() / 1000);
-  }
-  if (input.InputArtifacts !== undefined) {
-    bodyParams["InputArtifacts"] = serializeAws_json1_1TrialComponentArtifacts(
-      input.InputArtifacts,
-      context
-    );
-  }
-  if (input.InputArtifactsToRemove !== undefined) {
-    bodyParams[
-      "InputArtifactsToRemove"
-    ] = serializeAws_json1_1ListTrialComponentKey256(
-      input.InputArtifactsToRemove,
-      context
-    );
-  }
-  if (input.OutputArtifacts !== undefined) {
-    bodyParams["OutputArtifacts"] = serializeAws_json1_1TrialComponentArtifacts(
-      input.OutputArtifacts,
-      context
-    );
-  }
-  if (input.OutputArtifactsToRemove !== undefined) {
-    bodyParams[
-      "OutputArtifactsToRemove"
-    ] = serializeAws_json1_1ListTrialComponentKey256(
-      input.OutputArtifactsToRemove,
-      context
-    );
-  }
-  if (input.Parameters !== undefined) {
-    bodyParams["Parameters"] = serializeAws_json1_1TrialComponentParameters(
-      input.Parameters,
-      context
-    );
-  }
-  if (input.ParametersToRemove !== undefined) {
-    bodyParams[
-      "ParametersToRemove"
-    ] = serializeAws_json1_1ListTrialComponentKey256(
-      input.ParametersToRemove,
-      context
-    );
-  }
-  if (input.StartTime !== undefined) {
-    bodyParams["StartTime"] = Math.round(input.StartTime.getTime() / 1000);
-  }
-  if (input.Status !== undefined) {
-    bodyParams["Status"] = serializeAws_json1_1TrialComponentStatus(
-      input.Status,
-      context
-    );
-  }
-  if (input.TrialComponentName !== undefined) {
-    bodyParams["TrialComponentName"] = input.TrialComponentName;
-  }
-  return bodyParams;
+  return {
+    ...(input.DisplayName !== undefined && { DisplayName: input.DisplayName }),
+    ...(input.EndTime !== undefined && {
+      EndTime: Math.round(input.EndTime.getTime() / 1000)
+    }),
+    ...(input.InputArtifacts !== undefined && {
+      InputArtifacts: serializeAws_json1_1TrialComponentArtifacts(
+        input.InputArtifacts,
+        context
+      )
+    }),
+    ...(input.InputArtifactsToRemove !== undefined && {
+      InputArtifactsToRemove: serializeAws_json1_1ListTrialComponentKey256(
+        input.InputArtifactsToRemove,
+        context
+      )
+    }),
+    ...(input.OutputArtifacts !== undefined && {
+      OutputArtifacts: serializeAws_json1_1TrialComponentArtifacts(
+        input.OutputArtifacts,
+        context
+      )
+    }),
+    ...(input.OutputArtifactsToRemove !== undefined && {
+      OutputArtifactsToRemove: serializeAws_json1_1ListTrialComponentKey256(
+        input.OutputArtifactsToRemove,
+        context
+      )
+    }),
+    ...(input.Parameters !== undefined && {
+      Parameters: serializeAws_json1_1TrialComponentParameters(
+        input.Parameters,
+        context
+      )
+    }),
+    ...(input.ParametersToRemove !== undefined && {
+      ParametersToRemove: serializeAws_json1_1ListTrialComponentKey256(
+        input.ParametersToRemove,
+        context
+      )
+    }),
+    ...(input.StartTime !== undefined && {
+      StartTime: Math.round(input.StartTime.getTime() / 1000)
+    }),
+    ...(input.Status !== undefined && {
+      Status: serializeAws_json1_1TrialComponentStatus(input.Status, context)
+    }),
+    ...(input.TrialComponentName !== undefined && {
+      TrialComponentName: input.TrialComponentName
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateTrialRequest = (
   input: UpdateTrialRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DisplayName !== undefined) {
-    bodyParams["DisplayName"] = input.DisplayName;
-  }
-  if (input.TrialName !== undefined) {
-    bodyParams["TrialName"] = input.TrialName;
-  }
-  return bodyParams;
+  return {
+    ...(input.DisplayName !== undefined && { DisplayName: input.DisplayName }),
+    ...(input.TrialName !== undefined && { TrialName: input.TrialName })
+  };
 };
 
 const serializeAws_json1_1UpdateUserProfileRequest = (
   input: UpdateUserProfileRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DomainId !== undefined) {
-    bodyParams["DomainId"] = input.DomainId;
-  }
-  if (input.UserProfileName !== undefined) {
-    bodyParams["UserProfileName"] = input.UserProfileName;
-  }
-  if (input.UserSettings !== undefined) {
-    bodyParams["UserSettings"] = serializeAws_json1_1UserSettings(
-      input.UserSettings,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.DomainId !== undefined && { DomainId: input.DomainId }),
+    ...(input.UserProfileName !== undefined && {
+      UserProfileName: input.UserProfileName
+    }),
+    ...(input.UserSettings !== undefined && {
+      UserSettings: serializeAws_json1_1UserSettings(
+        input.UserSettings,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateWorkforceRequest = (
   input: UpdateWorkforceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.SourceIpConfig !== undefined) {
-    bodyParams["SourceIpConfig"] = serializeAws_json1_1SourceIpConfig(
-      input.SourceIpConfig,
-      context
-    );
-  }
-  if (input.WorkforceName !== undefined) {
-    bodyParams["WorkforceName"] = input.WorkforceName;
-  }
-  return bodyParams;
+  return {
+    ...(input.SourceIpConfig !== undefined && {
+      SourceIpConfig: serializeAws_json1_1SourceIpConfig(
+        input.SourceIpConfig,
+        context
+      )
+    }),
+    ...(input.WorkforceName !== undefined && {
+      WorkforceName: input.WorkforceName
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateWorkteamRequest = (
   input: UpdateWorkteamRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.MemberDefinitions !== undefined) {
-    bodyParams["MemberDefinitions"] = serializeAws_json1_1MemberDefinitions(
-      input.MemberDefinitions,
-      context
-    );
-  }
-  if (input.NotificationConfiguration !== undefined) {
-    bodyParams[
-      "NotificationConfiguration"
-    ] = serializeAws_json1_1NotificationConfiguration(
-      input.NotificationConfiguration,
-      context
-    );
-  }
-  if (input.WorkteamName !== undefined) {
-    bodyParams["WorkteamName"] = input.WorkteamName;
-  }
-  return bodyParams;
+  return {
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.MemberDefinitions !== undefined && {
+      MemberDefinitions: serializeAws_json1_1MemberDefinitions(
+        input.MemberDefinitions,
+        context
+      )
+    }),
+    ...(input.NotificationConfiguration !== undefined && {
+      NotificationConfiguration: serializeAws_json1_1NotificationConfiguration(
+        input.NotificationConfiguration,
+        context
+      )
+    }),
+    ...(input.WorkteamName !== undefined && {
+      WorkteamName: input.WorkteamName
+    })
+  };
 };
 
 const serializeAws_json1_1UserSettings = (
   input: UserSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ExecutionRole !== undefined) {
-    bodyParams["ExecutionRole"] = input.ExecutionRole;
-  }
-  if (input.JupyterServerAppSettings !== undefined) {
-    bodyParams[
-      "JupyterServerAppSettings"
-    ] = serializeAws_json1_1JupyterServerAppSettings(
-      input.JupyterServerAppSettings,
-      context
-    );
-  }
-  if (input.KernelGatewayAppSettings !== undefined) {
-    bodyParams[
-      "KernelGatewayAppSettings"
-    ] = serializeAws_json1_1KernelGatewayAppSettings(
-      input.KernelGatewayAppSettings,
-      context
-    );
-  }
-  if (input.SecurityGroups !== undefined) {
-    bodyParams["SecurityGroups"] = serializeAws_json1_1SecurityGroupIds(
-      input.SecurityGroups,
-      context
-    );
-  }
-  if (input.SharingSettings !== undefined) {
-    bodyParams["SharingSettings"] = serializeAws_json1_1SharingSettings(
-      input.SharingSettings,
-      context
-    );
-  }
-  if (input.TensorBoardAppSettings !== undefined) {
-    bodyParams[
-      "TensorBoardAppSettings"
-    ] = serializeAws_json1_1TensorBoardAppSettings(
-      input.TensorBoardAppSettings,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ExecutionRole !== undefined && {
+      ExecutionRole: input.ExecutionRole
+    }),
+    ...(input.JupyterServerAppSettings !== undefined && {
+      JupyterServerAppSettings: serializeAws_json1_1JupyterServerAppSettings(
+        input.JupyterServerAppSettings,
+        context
+      )
+    }),
+    ...(input.KernelGatewayAppSettings !== undefined && {
+      KernelGatewayAppSettings: serializeAws_json1_1KernelGatewayAppSettings(
+        input.KernelGatewayAppSettings,
+        context
+      )
+    }),
+    ...(input.SecurityGroups !== undefined && {
+      SecurityGroups: serializeAws_json1_1SecurityGroupIds(
+        input.SecurityGroups,
+        context
+      )
+    }),
+    ...(input.SharingSettings !== undefined && {
+      SharingSettings: serializeAws_json1_1SharingSettings(
+        input.SharingSettings,
+        context
+      )
+    }),
+    ...(input.TensorBoardAppSettings !== undefined && {
+      TensorBoardAppSettings: serializeAws_json1_1TensorBoardAppSettings(
+        input.TensorBoardAppSettings,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1VpcConfig = (
   input: VpcConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.SecurityGroupIds !== undefined) {
-    bodyParams["SecurityGroupIds"] = serializeAws_json1_1VpcSecurityGroupIds(
-      input.SecurityGroupIds,
-      context
-    );
-  }
-  if (input.Subnets !== undefined) {
-    bodyParams["Subnets"] = serializeAws_json1_1Subnets(input.Subnets, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.SecurityGroupIds !== undefined && {
+      SecurityGroupIds: serializeAws_json1_1VpcSecurityGroupIds(
+        input.SecurityGroupIds,
+        context
+      )
+    }),
+    ...(input.Subnets !== undefined && {
+      Subnets: serializeAws_json1_1Subnets(input.Subnets, context)
+    })
+  };
 };
 
 const serializeAws_json1_1VpcSecurityGroupIds = (
diff --git a/clients/client-savingsplans/protocols/Aws_restJson1_1.ts b/clients/client-savingsplans/protocols/Aws_restJson1_1.ts
index 351ebfb338c0..68d1bbbe8050 100644
--- a/clients/client-savingsplans/protocols/Aws_restJson1_1.ts
+++ b/clients/client-savingsplans/protocols/Aws_restJson1_1.ts
@@ -1243,17 +1243,12 @@ const serializeAws_restJson1_1SavingsPlanOfferingFilterElement = (
   input: SavingsPlanOfferingFilterElement,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  if (input.values !== undefined) {
-    bodyParams["values"] = serializeAws_restJson1_1FilterValuesList(
-      input.values,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.name !== undefined && { name: input.name }),
+    ...(input.values !== undefined && {
+      values: serializeAws_restJson1_1FilterValuesList(input.values, context)
+    })
+  };
 };
 
 const serializeAws_restJson1_1SavingsPlanOfferingFiltersList = (
@@ -1269,17 +1264,12 @@ const serializeAws_restJson1_1SavingsPlanOfferingRateFilterElement = (
   input: SavingsPlanOfferingRateFilterElement,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  if (input.values !== undefined) {
-    bodyParams["values"] = serializeAws_restJson1_1FilterValuesList(
-      input.values,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.name !== undefined && { name: input.name }),
+    ...(input.values !== undefined && {
+      values: serializeAws_restJson1_1FilterValuesList(input.values, context)
+    })
+  };
 };
 
 const serializeAws_restJson1_1SavingsPlanOfferingRateFiltersList = (
@@ -1379,17 +1369,12 @@ const serializeAws_restJson1_1SavingsPlanFilter = (
   input: SavingsPlanFilter,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  if (input.values !== undefined) {
-    bodyParams["values"] = serializeAws_restJson1_1ListOfStrings(
-      input.values,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.name !== undefined && { name: input.name }),
+    ...(input.values !== undefined && {
+      values: serializeAws_restJson1_1ListOfStrings(input.values, context)
+    })
+  };
 };
 
 const serializeAws_restJson1_1SavingsPlanFilterList = (
@@ -1412,17 +1397,12 @@ const serializeAws_restJson1_1SavingsPlanRateFilter = (
   input: SavingsPlanRateFilter,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  if (input.values !== undefined) {
-    bodyParams["values"] = serializeAws_restJson1_1ListOfStrings(
-      input.values,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.name !== undefined && { name: input.name }),
+    ...(input.values !== undefined && {
+      values: serializeAws_restJson1_1ListOfStrings(input.values, context)
+    })
+  };
 };
 
 const serializeAws_restJson1_1SavingsPlanRateFilterList = (
diff --git a/clients/client-secrets-manager/protocols/Aws_json1_1.ts b/clients/client-secrets-manager/protocols/Aws_json1_1.ts
index 60effe3d6064..95ed007facd0 100644
--- a/clients/client-secrets-manager/protocols/Aws_json1_1.ts
+++ b/clients/client-secrets-manager/protocols/Aws_json1_1.ts
@@ -2383,267 +2383,214 @@ const serializeAws_json1_1CancelRotateSecretRequest = (
   input: CancelRotateSecretRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.SecretId !== undefined) {
-    bodyParams["SecretId"] = input.SecretId;
-  }
-  return bodyParams;
+  return {
+    ...(input.SecretId !== undefined && { SecretId: input.SecretId })
+  };
 };
 
 const serializeAws_json1_1CreateSecretRequest = (
   input: CreateSecretRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ClientRequestToken === undefined) {
-    input.ClientRequestToken = generateIdempotencyToken();
-  }
-  if (input.ClientRequestToken !== undefined) {
-    bodyParams["ClientRequestToken"] = input.ClientRequestToken;
-  }
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.KmsKeyId !== undefined) {
-    bodyParams["KmsKeyId"] = input.KmsKeyId;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.SecretBinary !== undefined) {
-    bodyParams["SecretBinary"] = context.base64Encoder(input.SecretBinary);
-  }
-  if (input.SecretString !== undefined) {
-    bodyParams["SecretString"] = input.SecretString;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagListType(input.Tags, context);
-  }
-  return bodyParams;
+  return {
+    ClientRequestToken: input.ClientRequestToken ?? generateIdempotencyToken(),
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.KmsKeyId !== undefined && { KmsKeyId: input.KmsKeyId }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.SecretBinary !== undefined && {
+      SecretBinary: context.base64Encoder(input.SecretBinary)
+    }),
+    ...(input.SecretString !== undefined && {
+      SecretString: input.SecretString
+    }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagListType(input.Tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteResourcePolicyRequest = (
   input: DeleteResourcePolicyRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.SecretId !== undefined) {
-    bodyParams["SecretId"] = input.SecretId;
-  }
-  return bodyParams;
+  return {
+    ...(input.SecretId !== undefined && { SecretId: input.SecretId })
+  };
 };
 
 const serializeAws_json1_1DeleteSecretRequest = (
   input: DeleteSecretRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ForceDeleteWithoutRecovery !== undefined) {
-    bodyParams["ForceDeleteWithoutRecovery"] = input.ForceDeleteWithoutRecovery;
-  }
-  if (input.RecoveryWindowInDays !== undefined) {
-    bodyParams["RecoveryWindowInDays"] = input.RecoveryWindowInDays;
-  }
-  if (input.SecretId !== undefined) {
-    bodyParams["SecretId"] = input.SecretId;
-  }
-  return bodyParams;
+  return {
+    ...(input.ForceDeleteWithoutRecovery !== undefined && {
+      ForceDeleteWithoutRecovery: input.ForceDeleteWithoutRecovery
+    }),
+    ...(input.RecoveryWindowInDays !== undefined && {
+      RecoveryWindowInDays: input.RecoveryWindowInDays
+    }),
+    ...(input.SecretId !== undefined && { SecretId: input.SecretId })
+  };
 };
 
 const serializeAws_json1_1DescribeSecretRequest = (
   input: DescribeSecretRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.SecretId !== undefined) {
-    bodyParams["SecretId"] = input.SecretId;
-  }
-  return bodyParams;
+  return {
+    ...(input.SecretId !== undefined && { SecretId: input.SecretId })
+  };
 };
 
 const serializeAws_json1_1GetRandomPasswordRequest = (
   input: GetRandomPasswordRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ExcludeCharacters !== undefined) {
-    bodyParams["ExcludeCharacters"] = input.ExcludeCharacters;
-  }
-  if (input.ExcludeLowercase !== undefined) {
-    bodyParams["ExcludeLowercase"] = input.ExcludeLowercase;
-  }
-  if (input.ExcludeNumbers !== undefined) {
-    bodyParams["ExcludeNumbers"] = input.ExcludeNumbers;
-  }
-  if (input.ExcludePunctuation !== undefined) {
-    bodyParams["ExcludePunctuation"] = input.ExcludePunctuation;
-  }
-  if (input.ExcludeUppercase !== undefined) {
-    bodyParams["ExcludeUppercase"] = input.ExcludeUppercase;
-  }
-  if (input.IncludeSpace !== undefined) {
-    bodyParams["IncludeSpace"] = input.IncludeSpace;
-  }
-  if (input.PasswordLength !== undefined) {
-    bodyParams["PasswordLength"] = input.PasswordLength;
-  }
-  if (input.RequireEachIncludedType !== undefined) {
-    bodyParams["RequireEachIncludedType"] = input.RequireEachIncludedType;
-  }
-  return bodyParams;
+  return {
+    ...(input.ExcludeCharacters !== undefined && {
+      ExcludeCharacters: input.ExcludeCharacters
+    }),
+    ...(input.ExcludeLowercase !== undefined && {
+      ExcludeLowercase: input.ExcludeLowercase
+    }),
+    ...(input.ExcludeNumbers !== undefined && {
+      ExcludeNumbers: input.ExcludeNumbers
+    }),
+    ...(input.ExcludePunctuation !== undefined && {
+      ExcludePunctuation: input.ExcludePunctuation
+    }),
+    ...(input.ExcludeUppercase !== undefined && {
+      ExcludeUppercase: input.ExcludeUppercase
+    }),
+    ...(input.IncludeSpace !== undefined && {
+      IncludeSpace: input.IncludeSpace
+    }),
+    ...(input.PasswordLength !== undefined && {
+      PasswordLength: input.PasswordLength
+    }),
+    ...(input.RequireEachIncludedType !== undefined && {
+      RequireEachIncludedType: input.RequireEachIncludedType
+    })
+  };
 };
 
 const serializeAws_json1_1GetResourcePolicyRequest = (
   input: GetResourcePolicyRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.SecretId !== undefined) {
-    bodyParams["SecretId"] = input.SecretId;
-  }
-  return bodyParams;
+  return {
+    ...(input.SecretId !== undefined && { SecretId: input.SecretId })
+  };
 };
 
 const serializeAws_json1_1GetSecretValueRequest = (
   input: GetSecretValueRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.SecretId !== undefined) {
-    bodyParams["SecretId"] = input.SecretId;
-  }
-  if (input.VersionId !== undefined) {
-    bodyParams["VersionId"] = input.VersionId;
-  }
-  if (input.VersionStage !== undefined) {
-    bodyParams["VersionStage"] = input.VersionStage;
-  }
-  return bodyParams;
+  return {
+    ...(input.SecretId !== undefined && { SecretId: input.SecretId }),
+    ...(input.VersionId !== undefined && { VersionId: input.VersionId }),
+    ...(input.VersionStage !== undefined && {
+      VersionStage: input.VersionStage
+    })
+  };
 };
 
 const serializeAws_json1_1ListSecretVersionIdsRequest = (
   input: ListSecretVersionIdsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.IncludeDeprecated !== undefined) {
-    bodyParams["IncludeDeprecated"] = input.IncludeDeprecated;
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.SecretId !== undefined) {
-    bodyParams["SecretId"] = input.SecretId;
-  }
-  return bodyParams;
+  return {
+    ...(input.IncludeDeprecated !== undefined && {
+      IncludeDeprecated: input.IncludeDeprecated
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.SecretId !== undefined && { SecretId: input.SecretId })
+  };
 };
 
 const serializeAws_json1_1ListSecretsRequest = (
   input: ListSecretsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1PutResourcePolicyRequest = (
   input: PutResourcePolicyRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourcePolicy !== undefined) {
-    bodyParams["ResourcePolicy"] = input.ResourcePolicy;
-  }
-  if (input.SecretId !== undefined) {
-    bodyParams["SecretId"] = input.SecretId;
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourcePolicy !== undefined && {
+      ResourcePolicy: input.ResourcePolicy
+    }),
+    ...(input.SecretId !== undefined && { SecretId: input.SecretId })
+  };
 };
 
 const serializeAws_json1_1PutSecretValueRequest = (
   input: PutSecretValueRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ClientRequestToken === undefined) {
-    input.ClientRequestToken = generateIdempotencyToken();
-  }
-  if (input.ClientRequestToken !== undefined) {
-    bodyParams["ClientRequestToken"] = input.ClientRequestToken;
-  }
-  if (input.SecretBinary !== undefined) {
-    bodyParams["SecretBinary"] = context.base64Encoder(input.SecretBinary);
-  }
-  if (input.SecretId !== undefined) {
-    bodyParams["SecretId"] = input.SecretId;
-  }
-  if (input.SecretString !== undefined) {
-    bodyParams["SecretString"] = input.SecretString;
-  }
-  if (input.VersionStages !== undefined) {
-    bodyParams["VersionStages"] = serializeAws_json1_1SecretVersionStagesType(
-      input.VersionStages,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ClientRequestToken: input.ClientRequestToken ?? generateIdempotencyToken(),
+    ...(input.SecretBinary !== undefined && {
+      SecretBinary: context.base64Encoder(input.SecretBinary)
+    }),
+    ...(input.SecretId !== undefined && { SecretId: input.SecretId }),
+    ...(input.SecretString !== undefined && {
+      SecretString: input.SecretString
+    }),
+    ...(input.VersionStages !== undefined && {
+      VersionStages: serializeAws_json1_1SecretVersionStagesType(
+        input.VersionStages,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1RestoreSecretRequest = (
   input: RestoreSecretRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.SecretId !== undefined) {
-    bodyParams["SecretId"] = input.SecretId;
-  }
-  return bodyParams;
+  return {
+    ...(input.SecretId !== undefined && { SecretId: input.SecretId })
+  };
 };
 
 const serializeAws_json1_1RotateSecretRequest = (
   input: RotateSecretRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ClientRequestToken === undefined) {
-    input.ClientRequestToken = generateIdempotencyToken();
-  }
-  if (input.ClientRequestToken !== undefined) {
-    bodyParams["ClientRequestToken"] = input.ClientRequestToken;
-  }
-  if (input.RotationLambdaARN !== undefined) {
-    bodyParams["RotationLambdaARN"] = input.RotationLambdaARN;
-  }
-  if (input.RotationRules !== undefined) {
-    bodyParams["RotationRules"] = serializeAws_json1_1RotationRulesType(
-      input.RotationRules,
-      context
-    );
-  }
-  if (input.SecretId !== undefined) {
-    bodyParams["SecretId"] = input.SecretId;
-  }
-  return bodyParams;
+  return {
+    ClientRequestToken: input.ClientRequestToken ?? generateIdempotencyToken(),
+    ...(input.RotationLambdaARN !== undefined && {
+      RotationLambdaARN: input.RotationLambdaARN
+    }),
+    ...(input.RotationRules !== undefined && {
+      RotationRules: serializeAws_json1_1RotationRulesType(
+        input.RotationRules,
+        context
+      )
+    }),
+    ...(input.SecretId !== undefined && { SecretId: input.SecretId })
+  };
 };
 
 const serializeAws_json1_1RotationRulesType = (
   input: RotationRulesType,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AutomaticallyAfterDays !== undefined) {
-    bodyParams["AutomaticallyAfterDays"] = input.AutomaticallyAfterDays;
-  }
-  return bodyParams;
+  return {
+    ...(input.AutomaticallyAfterDays !== undefined && {
+      AutomaticallyAfterDays: input.AutomaticallyAfterDays
+    })
+  };
 };
 
 const serializeAws_json1_1SecretVersionStagesType = (
@@ -2654,14 +2601,10 @@ const serializeAws_json1_1SecretVersionStagesType = (
 };
 
 const serializeAws_json1_1Tag = (input: Tag, context: __SerdeContext): any => {
-  const bodyParams: any = {};
-  if (input.Key !== undefined) {
-    bodyParams["Key"] = input.Key;
-  }
-  if (input.Value !== undefined) {
-    bodyParams["Value"] = input.Value;
-  }
-  return bodyParams;
+  return {
+    ...(input.Key !== undefined && { Key: input.Key }),
+    ...(input.Value !== undefined && { Value: input.Value })
+  };
 };
 
 const serializeAws_json1_1TagKeyListType = (
@@ -2682,80 +2625,60 @@ const serializeAws_json1_1TagResourceRequest = (
   input: TagResourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.SecretId !== undefined) {
-    bodyParams["SecretId"] = input.SecretId;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagListType(input.Tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.SecretId !== undefined && { SecretId: input.SecretId }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagListType(input.Tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1UntagResourceRequest = (
   input: UntagResourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.SecretId !== undefined) {
-    bodyParams["SecretId"] = input.SecretId;
-  }
-  if (input.TagKeys !== undefined) {
-    bodyParams["TagKeys"] = serializeAws_json1_1TagKeyListType(
-      input.TagKeys,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.SecretId !== undefined && { SecretId: input.SecretId }),
+    ...(input.TagKeys !== undefined && {
+      TagKeys: serializeAws_json1_1TagKeyListType(input.TagKeys, context)
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateSecretRequest = (
   input: UpdateSecretRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ClientRequestToken === undefined) {
-    input.ClientRequestToken = generateIdempotencyToken();
-  }
-  if (input.ClientRequestToken !== undefined) {
-    bodyParams["ClientRequestToken"] = input.ClientRequestToken;
-  }
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.KmsKeyId !== undefined) {
-    bodyParams["KmsKeyId"] = input.KmsKeyId;
-  }
-  if (input.SecretBinary !== undefined) {
-    bodyParams["SecretBinary"] = context.base64Encoder(input.SecretBinary);
-  }
-  if (input.SecretId !== undefined) {
-    bodyParams["SecretId"] = input.SecretId;
-  }
-  if (input.SecretString !== undefined) {
-    bodyParams["SecretString"] = input.SecretString;
-  }
-  return bodyParams;
+  return {
+    ClientRequestToken: input.ClientRequestToken ?? generateIdempotencyToken(),
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.KmsKeyId !== undefined && { KmsKeyId: input.KmsKeyId }),
+    ...(input.SecretBinary !== undefined && {
+      SecretBinary: context.base64Encoder(input.SecretBinary)
+    }),
+    ...(input.SecretId !== undefined && { SecretId: input.SecretId }),
+    ...(input.SecretString !== undefined && {
+      SecretString: input.SecretString
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateSecretVersionStageRequest = (
   input: UpdateSecretVersionStageRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MoveToVersionId !== undefined) {
-    bodyParams["MoveToVersionId"] = input.MoveToVersionId;
-  }
-  if (input.RemoveFromVersionId !== undefined) {
-    bodyParams["RemoveFromVersionId"] = input.RemoveFromVersionId;
-  }
-  if (input.SecretId !== undefined) {
-    bodyParams["SecretId"] = input.SecretId;
-  }
-  if (input.VersionStage !== undefined) {
-    bodyParams["VersionStage"] = input.VersionStage;
-  }
-  return bodyParams;
+  return {
+    ...(input.MoveToVersionId !== undefined && {
+      MoveToVersionId: input.MoveToVersionId
+    }),
+    ...(input.RemoveFromVersionId !== undefined && {
+      RemoveFromVersionId: input.RemoveFromVersionId
+    }),
+    ...(input.SecretId !== undefined && { SecretId: input.SecretId }),
+    ...(input.VersionStage !== undefined && {
+      VersionStage: input.VersionStage
+    })
+  };
 };
 
 const deserializeAws_json1_1CancelRotateSecretResponse = (
diff --git a/clients/client-securityhub/protocols/Aws_restJson1_1.ts b/clients/client-securityhub/protocols/Aws_restJson1_1.ts
index 8b88fbb5241d..11098bc2529f 100644
--- a/clients/client-securityhub/protocols/Aws_restJson1_1.ts
+++ b/clients/client-securityhub/protocols/Aws_restJson1_1.ts
@@ -5743,14 +5743,10 @@ const serializeAws_restJson1_1AccountDetails = (
   input: AccountDetails,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AccountId !== undefined) {
-    bodyParams["AccountId"] = input.AccountId;
-  }
-  if (input.Email !== undefined) {
-    bodyParams["Email"] = input.Email;
-  }
-  return bodyParams;
+  return {
+    ...(input.AccountId !== undefined && { AccountId: input.AccountId }),
+    ...(input.Email !== undefined && { Email: input.Email })
+  };
 };
 
 const serializeAws_restJson1_1AccountDetailsList = (
@@ -5780,14 +5776,10 @@ const serializeAws_restJson1_1AvailabilityZone = (
   input: AvailabilityZone,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.SubnetId !== undefined) {
-    bodyParams["SubnetId"] = input.SubnetId;
-  }
-  if (input.ZoneName !== undefined) {
-    bodyParams["ZoneName"] = input.ZoneName;
-  }
-  return bodyParams;
+  return {
+    ...(input.SubnetId !== undefined && { SubnetId: input.SubnetId }),
+    ...(input.ZoneName !== undefined && { ZoneName: input.ZoneName })
+  };
 };
 
 const serializeAws_restJson1_1AvailabilityZones = (
@@ -5803,76 +5795,52 @@ const serializeAws_restJson1_1AwsCloudFrontDistributionDetails = (
   input: AwsCloudFrontDistributionDetails,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DomainName !== undefined) {
-    bodyParams["DomainName"] = input.DomainName;
-  }
-  if (input.ETag !== undefined) {
-    bodyParams["ETag"] = input.ETag;
-  }
-  if (input.LastModifiedTime !== undefined) {
-    bodyParams["LastModifiedTime"] = input.LastModifiedTime;
-  }
-  if (input.Logging !== undefined) {
-    bodyParams[
-      "Logging"
-    ] = serializeAws_restJson1_1AwsCloudFrontDistributionLogging(
-      input.Logging,
-      context
-    );
-  }
-  if (input.Origins !== undefined) {
-    bodyParams[
-      "Origins"
-    ] = serializeAws_restJson1_1AwsCloudFrontDistributionOrigins(
-      input.Origins,
-      context
-    );
-  }
-  if (input.Status !== undefined) {
-    bodyParams["Status"] = input.Status;
-  }
-  if (input.WebAclId !== undefined) {
-    bodyParams["WebAclId"] = input.WebAclId;
-  }
-  return bodyParams;
+  return {
+    ...(input.DomainName !== undefined && { DomainName: input.DomainName }),
+    ...(input.ETag !== undefined && { ETag: input.ETag }),
+    ...(input.LastModifiedTime !== undefined && {
+      LastModifiedTime: input.LastModifiedTime
+    }),
+    ...(input.Logging !== undefined && {
+      Logging: serializeAws_restJson1_1AwsCloudFrontDistributionLogging(
+        input.Logging,
+        context
+      )
+    }),
+    ...(input.Origins !== undefined && {
+      Origins: serializeAws_restJson1_1AwsCloudFrontDistributionOrigins(
+        input.Origins,
+        context
+      )
+    }),
+    ...(input.Status !== undefined && { Status: input.Status }),
+    ...(input.WebAclId !== undefined && { WebAclId: input.WebAclId })
+  };
 };
 
 const serializeAws_restJson1_1AwsCloudFrontDistributionLogging = (
   input: AwsCloudFrontDistributionLogging,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Bucket !== undefined) {
-    bodyParams["Bucket"] = input.Bucket;
-  }
-  if (input.Enabled !== undefined) {
-    bodyParams["Enabled"] = input.Enabled;
-  }
-  if (input.IncludeCookies !== undefined) {
-    bodyParams["IncludeCookies"] = input.IncludeCookies;
-  }
-  if (input.Prefix !== undefined) {
-    bodyParams["Prefix"] = input.Prefix;
-  }
-  return bodyParams;
+  return {
+    ...(input.Bucket !== undefined && { Bucket: input.Bucket }),
+    ...(input.Enabled !== undefined && { Enabled: input.Enabled }),
+    ...(input.IncludeCookies !== undefined && {
+      IncludeCookies: input.IncludeCookies
+    }),
+    ...(input.Prefix !== undefined && { Prefix: input.Prefix })
+  };
 };
 
 const serializeAws_restJson1_1AwsCloudFrontDistributionOriginItem = (
   input: AwsCloudFrontDistributionOriginItem,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DomainName !== undefined) {
-    bodyParams["DomainName"] = input.DomainName;
-  }
-  if (input.Id !== undefined) {
-    bodyParams["Id"] = input.Id;
-  }
-  if (input.OriginPath !== undefined) {
-    bodyParams["OriginPath"] = input.OriginPath;
-  }
-  return bodyParams;
+  return {
+    ...(input.DomainName !== undefined && { DomainName: input.DomainName }),
+    ...(input.Id !== undefined && { Id: input.Id }),
+    ...(input.OriginPath !== undefined && { OriginPath: input.OriginPath })
+  };
 };
 
 const serializeAws_restJson1_1AwsCloudFrontDistributionOriginItemList = (
@@ -5888,351 +5856,248 @@ const serializeAws_restJson1_1AwsCloudFrontDistributionOrigins = (
   input: AwsCloudFrontDistributionOrigins,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Items !== undefined) {
-    bodyParams[
-      "Items"
-    ] = serializeAws_restJson1_1AwsCloudFrontDistributionOriginItemList(
-      input.Items,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Items !== undefined && {
+      Items: serializeAws_restJson1_1AwsCloudFrontDistributionOriginItemList(
+        input.Items,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1AwsEc2InstanceDetails = (
   input: AwsEc2InstanceDetails,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.IamInstanceProfileArn !== undefined) {
-    bodyParams["IamInstanceProfileArn"] = input.IamInstanceProfileArn;
-  }
-  if (input.ImageId !== undefined) {
-    bodyParams["ImageId"] = input.ImageId;
-  }
-  if (input.IpV4Addresses !== undefined) {
-    bodyParams["IpV4Addresses"] = serializeAws_restJson1_1StringList(
-      input.IpV4Addresses,
-      context
-    );
-  }
-  if (input.IpV6Addresses !== undefined) {
-    bodyParams["IpV6Addresses"] = serializeAws_restJson1_1StringList(
-      input.IpV6Addresses,
-      context
-    );
-  }
-  if (input.KeyName !== undefined) {
-    bodyParams["KeyName"] = input.KeyName;
-  }
-  if (input.LaunchedAt !== undefined) {
-    bodyParams["LaunchedAt"] = input.LaunchedAt;
-  }
-  if (input.SubnetId !== undefined) {
-    bodyParams["SubnetId"] = input.SubnetId;
-  }
-  if (input.Type !== undefined) {
-    bodyParams["Type"] = input.Type;
-  }
-  if (input.VpcId !== undefined) {
-    bodyParams["VpcId"] = input.VpcId;
-  }
-  return bodyParams;
+  return {
+    ...(input.IamInstanceProfileArn !== undefined && {
+      IamInstanceProfileArn: input.IamInstanceProfileArn
+    }),
+    ...(input.ImageId !== undefined && { ImageId: input.ImageId }),
+    ...(input.IpV4Addresses !== undefined && {
+      IpV4Addresses: serializeAws_restJson1_1StringList(
+        input.IpV4Addresses,
+        context
+      )
+    }),
+    ...(input.IpV6Addresses !== undefined && {
+      IpV6Addresses: serializeAws_restJson1_1StringList(
+        input.IpV6Addresses,
+        context
+      )
+    }),
+    ...(input.KeyName !== undefined && { KeyName: input.KeyName }),
+    ...(input.LaunchedAt !== undefined && { LaunchedAt: input.LaunchedAt }),
+    ...(input.SubnetId !== undefined && { SubnetId: input.SubnetId }),
+    ...(input.Type !== undefined && { Type: input.Type }),
+    ...(input.VpcId !== undefined && { VpcId: input.VpcId })
+  };
 };
 
 const serializeAws_restJson1_1AwsElbv2LoadBalancerDetails = (
   input: AwsElbv2LoadBalancerDetails,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AvailabilityZones !== undefined) {
-    bodyParams["AvailabilityZones"] = serializeAws_restJson1_1AvailabilityZones(
-      input.AvailabilityZones,
-      context
-    );
-  }
-  if (input.CanonicalHostedZoneId !== undefined) {
-    bodyParams["CanonicalHostedZoneId"] = input.CanonicalHostedZoneId;
-  }
-  if (input.CreatedTime !== undefined) {
-    bodyParams["CreatedTime"] = input.CreatedTime;
-  }
-  if (input.DNSName !== undefined) {
-    bodyParams["DNSName"] = input.DNSName;
-  }
-  if (input.IpAddressType !== undefined) {
-    bodyParams["IpAddressType"] = input.IpAddressType;
-  }
-  if (input.Scheme !== undefined) {
-    bodyParams["Scheme"] = input.Scheme;
-  }
-  if (input.SecurityGroups !== undefined) {
-    bodyParams["SecurityGroups"] = serializeAws_restJson1_1SecurityGroups(
-      input.SecurityGroups,
-      context
-    );
-  }
-  if (input.State !== undefined) {
-    bodyParams["State"] = serializeAws_restJson1_1LoadBalancerState(
-      input.State,
-      context
-    );
-  }
-  if (input.Type !== undefined) {
-    bodyParams["Type"] = input.Type;
-  }
-  if (input.VpcId !== undefined) {
-    bodyParams["VpcId"] = input.VpcId;
-  }
-  return bodyParams;
+  return {
+    ...(input.AvailabilityZones !== undefined && {
+      AvailabilityZones: serializeAws_restJson1_1AvailabilityZones(
+        input.AvailabilityZones,
+        context
+      )
+    }),
+    ...(input.CanonicalHostedZoneId !== undefined && {
+      CanonicalHostedZoneId: input.CanonicalHostedZoneId
+    }),
+    ...(input.CreatedTime !== undefined && { CreatedTime: input.CreatedTime }),
+    ...(input.DNSName !== undefined && { DNSName: input.DNSName }),
+    ...(input.IpAddressType !== undefined && {
+      IpAddressType: input.IpAddressType
+    }),
+    ...(input.Scheme !== undefined && { Scheme: input.Scheme }),
+    ...(input.SecurityGroups !== undefined && {
+      SecurityGroups: serializeAws_restJson1_1SecurityGroups(
+        input.SecurityGroups,
+        context
+      )
+    }),
+    ...(input.State !== undefined && {
+      State: serializeAws_restJson1_1LoadBalancerState(input.State, context)
+    }),
+    ...(input.Type !== undefined && { Type: input.Type }),
+    ...(input.VpcId !== undefined && { VpcId: input.VpcId })
+  };
 };
 
 const serializeAws_restJson1_1AwsIamAccessKeyDetails = (
   input: AwsIamAccessKeyDetails,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CreatedAt !== undefined) {
-    bodyParams["CreatedAt"] = input.CreatedAt;
-  }
-  if (input.PrincipalId !== undefined) {
-    bodyParams["PrincipalId"] = input.PrincipalId;
-  }
-  if (input.PrincipalName !== undefined) {
-    bodyParams["PrincipalName"] = input.PrincipalName;
-  }
-  if (input.PrincipalType !== undefined) {
-    bodyParams["PrincipalType"] = input.PrincipalType;
-  }
-  if (input.Status !== undefined) {
-    bodyParams["Status"] = input.Status;
-  }
-  if (input.UserName !== undefined) {
-    bodyParams["UserName"] = input.UserName;
-  }
-  return bodyParams;
+  return {
+    ...(input.CreatedAt !== undefined && { CreatedAt: input.CreatedAt }),
+    ...(input.PrincipalId !== undefined && { PrincipalId: input.PrincipalId }),
+    ...(input.PrincipalName !== undefined && {
+      PrincipalName: input.PrincipalName
+    }),
+    ...(input.PrincipalType !== undefined && {
+      PrincipalType: input.PrincipalType
+    }),
+    ...(input.Status !== undefined && { Status: input.Status }),
+    ...(input.UserName !== undefined && { UserName: input.UserName })
+  };
 };
 
 const serializeAws_restJson1_1AwsIamRoleDetails = (
   input: AwsIamRoleDetails,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AssumeRolePolicyDocument !== undefined) {
-    bodyParams["AssumeRolePolicyDocument"] = input.AssumeRolePolicyDocument;
-  }
-  if (input.CreateDate !== undefined) {
-    bodyParams["CreateDate"] = input.CreateDate;
-  }
-  if (input.MaxSessionDuration !== undefined) {
-    bodyParams["MaxSessionDuration"] = input.MaxSessionDuration;
-  }
-  if (input.Path !== undefined) {
-    bodyParams["Path"] = input.Path;
-  }
-  if (input.RoleId !== undefined) {
-    bodyParams["RoleId"] = input.RoleId;
-  }
-  if (input.RoleName !== undefined) {
-    bodyParams["RoleName"] = input.RoleName;
-  }
-  return bodyParams;
+  return {
+    ...(input.AssumeRolePolicyDocument !== undefined && {
+      AssumeRolePolicyDocument: input.AssumeRolePolicyDocument
+    }),
+    ...(input.CreateDate !== undefined && { CreateDate: input.CreateDate }),
+    ...(input.MaxSessionDuration !== undefined && {
+      MaxSessionDuration: input.MaxSessionDuration
+    }),
+    ...(input.Path !== undefined && { Path: input.Path }),
+    ...(input.RoleId !== undefined && { RoleId: input.RoleId }),
+    ...(input.RoleName !== undefined && { RoleName: input.RoleName })
+  };
 };
 
 const serializeAws_restJson1_1AwsKmsKeyDetails = (
   input: AwsKmsKeyDetails,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AWSAccountId !== undefined) {
-    bodyParams["AWSAccountId"] = input.AWSAccountId;
-  }
-  if (input.CreationDate !== undefined) {
-    bodyParams["CreationDate"] = input.CreationDate;
-  }
-  if (input.KeyId !== undefined) {
-    bodyParams["KeyId"] = input.KeyId;
-  }
-  if (input.KeyManager !== undefined) {
-    bodyParams["KeyManager"] = input.KeyManager;
-  }
-  if (input.KeyState !== undefined) {
-    bodyParams["KeyState"] = input.KeyState;
-  }
-  if (input.Origin !== undefined) {
-    bodyParams["Origin"] = input.Origin;
-  }
-  return bodyParams;
+  return {
+    ...(input.AWSAccountId !== undefined && {
+      AWSAccountId: input.AWSAccountId
+    }),
+    ...(input.CreationDate !== undefined && {
+      CreationDate: input.CreationDate
+    }),
+    ...(input.KeyId !== undefined && { KeyId: input.KeyId }),
+    ...(input.KeyManager !== undefined && { KeyManager: input.KeyManager }),
+    ...(input.KeyState !== undefined && { KeyState: input.KeyState }),
+    ...(input.Origin !== undefined && { Origin: input.Origin })
+  };
 };
 
 const serializeAws_restJson1_1AwsLambdaFunctionCode = (
   input: AwsLambdaFunctionCode,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.S3Bucket !== undefined) {
-    bodyParams["S3Bucket"] = input.S3Bucket;
-  }
-  if (input.S3Key !== undefined) {
-    bodyParams["S3Key"] = input.S3Key;
-  }
-  if (input.S3ObjectVersion !== undefined) {
-    bodyParams["S3ObjectVersion"] = input.S3ObjectVersion;
-  }
-  if (input.ZipFile !== undefined) {
-    bodyParams["ZipFile"] = input.ZipFile;
-  }
-  return bodyParams;
+  return {
+    ...(input.S3Bucket !== undefined && { S3Bucket: input.S3Bucket }),
+    ...(input.S3Key !== undefined && { S3Key: input.S3Key }),
+    ...(input.S3ObjectVersion !== undefined && {
+      S3ObjectVersion: input.S3ObjectVersion
+    }),
+    ...(input.ZipFile !== undefined && { ZipFile: input.ZipFile })
+  };
 };
 
 const serializeAws_restJson1_1AwsLambdaFunctionDeadLetterConfig = (
   input: AwsLambdaFunctionDeadLetterConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.TargetArn !== undefined) {
-    bodyParams["TargetArn"] = input.TargetArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.TargetArn !== undefined && { TargetArn: input.TargetArn })
+  };
 };
 
 const serializeAws_restJson1_1AwsLambdaFunctionDetails = (
   input: AwsLambdaFunctionDetails,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Code !== undefined) {
-    bodyParams["Code"] = serializeAws_restJson1_1AwsLambdaFunctionCode(
-      input.Code,
-      context
-    );
-  }
-  if (input.CodeSha256 !== undefined) {
-    bodyParams["CodeSha256"] = input.CodeSha256;
-  }
-  if (input.DeadLetterConfig !== undefined) {
-    bodyParams[
-      "DeadLetterConfig"
-    ] = serializeAws_restJson1_1AwsLambdaFunctionDeadLetterConfig(
-      input.DeadLetterConfig,
-      context
-    );
-  }
-  if (input.Environment !== undefined) {
-    bodyParams[
-      "Environment"
-    ] = serializeAws_restJson1_1AwsLambdaFunctionEnvironment(
-      input.Environment,
-      context
-    );
-  }
-  if (input.FunctionName !== undefined) {
-    bodyParams["FunctionName"] = input.FunctionName;
-  }
-  if (input.Handler !== undefined) {
-    bodyParams["Handler"] = input.Handler;
-  }
-  if (input.KmsKeyArn !== undefined) {
-    bodyParams["KmsKeyArn"] = input.KmsKeyArn;
-  }
-  if (input.LastModified !== undefined) {
-    bodyParams["LastModified"] = input.LastModified;
-  }
-  if (input.Layers !== undefined) {
-    bodyParams["Layers"] = serializeAws_restJson1_1AwsLambdaFunctionLayerList(
-      input.Layers,
-      context
-    );
-  }
-  if (input.MasterArn !== undefined) {
-    bodyParams["MasterArn"] = input.MasterArn;
-  }
-  if (input.MemorySize !== undefined) {
-    bodyParams["MemorySize"] = input.MemorySize;
-  }
-  if (input.RevisionId !== undefined) {
-    bodyParams["RevisionId"] = input.RevisionId;
-  }
-  if (input.Role !== undefined) {
-    bodyParams["Role"] = input.Role;
-  }
-  if (input.Runtime !== undefined) {
-    bodyParams["Runtime"] = input.Runtime;
-  }
-  if (input.Timeout !== undefined) {
-    bodyParams["Timeout"] = input.Timeout;
-  }
-  if (input.TracingConfig !== undefined) {
-    bodyParams[
-      "TracingConfig"
-    ] = serializeAws_restJson1_1AwsLambdaFunctionTracingConfig(
-      input.TracingConfig,
-      context
-    );
-  }
-  if (input.Version !== undefined) {
-    bodyParams["Version"] = input.Version;
-  }
-  if (input.VpcConfig !== undefined) {
-    bodyParams[
-      "VpcConfig"
-    ] = serializeAws_restJson1_1AwsLambdaFunctionVpcConfig(
-      input.VpcConfig,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Code !== undefined && {
+      Code: serializeAws_restJson1_1AwsLambdaFunctionCode(input.Code, context)
+    }),
+    ...(input.CodeSha256 !== undefined && { CodeSha256: input.CodeSha256 }),
+    ...(input.DeadLetterConfig !== undefined && {
+      DeadLetterConfig: serializeAws_restJson1_1AwsLambdaFunctionDeadLetterConfig(
+        input.DeadLetterConfig,
+        context
+      )
+    }),
+    ...(input.Environment !== undefined && {
+      Environment: serializeAws_restJson1_1AwsLambdaFunctionEnvironment(
+        input.Environment,
+        context
+      )
+    }),
+    ...(input.FunctionName !== undefined && {
+      FunctionName: input.FunctionName
+    }),
+    ...(input.Handler !== undefined && { Handler: input.Handler }),
+    ...(input.KmsKeyArn !== undefined && { KmsKeyArn: input.KmsKeyArn }),
+    ...(input.LastModified !== undefined && {
+      LastModified: input.LastModified
+    }),
+    ...(input.Layers !== undefined && {
+      Layers: serializeAws_restJson1_1AwsLambdaFunctionLayerList(
+        input.Layers,
+        context
+      )
+    }),
+    ...(input.MasterArn !== undefined && { MasterArn: input.MasterArn }),
+    ...(input.MemorySize !== undefined && { MemorySize: input.MemorySize }),
+    ...(input.RevisionId !== undefined && { RevisionId: input.RevisionId }),
+    ...(input.Role !== undefined && { Role: input.Role }),
+    ...(input.Runtime !== undefined && { Runtime: input.Runtime }),
+    ...(input.Timeout !== undefined && { Timeout: input.Timeout }),
+    ...(input.TracingConfig !== undefined && {
+      TracingConfig: serializeAws_restJson1_1AwsLambdaFunctionTracingConfig(
+        input.TracingConfig,
+        context
+      )
+    }),
+    ...(input.Version !== undefined && { Version: input.Version }),
+    ...(input.VpcConfig !== undefined && {
+      VpcConfig: serializeAws_restJson1_1AwsLambdaFunctionVpcConfig(
+        input.VpcConfig,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1AwsLambdaFunctionEnvironment = (
   input: AwsLambdaFunctionEnvironment,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Error !== undefined) {
-    bodyParams[
-      "Error"
-    ] = serializeAws_restJson1_1AwsLambdaFunctionEnvironmentError(
-      input.Error,
-      context
-    );
-  }
-  if (input.Variables !== undefined) {
-    bodyParams["Variables"] = serializeAws_restJson1_1FieldMap(
-      input.Variables,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Error !== undefined && {
+      Error: serializeAws_restJson1_1AwsLambdaFunctionEnvironmentError(
+        input.Error,
+        context
+      )
+    }),
+    ...(input.Variables !== undefined && {
+      Variables: serializeAws_restJson1_1FieldMap(input.Variables, context)
+    })
+  };
 };
 
 const serializeAws_restJson1_1AwsLambdaFunctionEnvironmentError = (
   input: AwsLambdaFunctionEnvironmentError,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ErrorCode !== undefined) {
-    bodyParams["ErrorCode"] = input.ErrorCode;
-  }
-  if (input.Message !== undefined) {
-    bodyParams["Message"] = input.Message;
-  }
-  return bodyParams;
+  return {
+    ...(input.ErrorCode !== undefined && { ErrorCode: input.ErrorCode }),
+    ...(input.Message !== undefined && { Message: input.Message })
+  };
 };
 
 const serializeAws_restJson1_1AwsLambdaFunctionLayer = (
   input: AwsLambdaFunctionLayer,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Arn !== undefined) {
-    bodyParams["Arn"] = input.Arn;
-  }
-  if (input.CodeSize !== undefined) {
-    bodyParams["CodeSize"] = input.CodeSize;
-  }
-  return bodyParams;
+  return {
+    ...(input.Arn !== undefined && { Arn: input.Arn }),
+    ...(input.CodeSize !== undefined && { CodeSize: input.CodeSize })
+  };
 };
 
 const serializeAws_restJson1_1AwsLambdaFunctionLayerList = (
@@ -6248,746 +6113,625 @@ const serializeAws_restJson1_1AwsLambdaFunctionTracingConfig = (
   input: AwsLambdaFunctionTracingConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Mode !== undefined) {
-    bodyParams["Mode"] = input.Mode;
-  }
-  return bodyParams;
+  return {
+    ...(input.Mode !== undefined && { Mode: input.Mode })
+  };
 };
 
 const serializeAws_restJson1_1AwsLambdaFunctionVpcConfig = (
   input: AwsLambdaFunctionVpcConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.SecurityGroupIds !== undefined) {
-    bodyParams["SecurityGroupIds"] = serializeAws_restJson1_1NonEmptyStringList(
-      input.SecurityGroupIds,
-      context
-    );
-  }
-  if (input.SubnetIds !== undefined) {
-    bodyParams["SubnetIds"] = serializeAws_restJson1_1NonEmptyStringList(
-      input.SubnetIds,
-      context
-    );
-  }
-  if (input.VpcId !== undefined) {
-    bodyParams["VpcId"] = input.VpcId;
-  }
-  return bodyParams;
+  return {
+    ...(input.SecurityGroupIds !== undefined && {
+      SecurityGroupIds: serializeAws_restJson1_1NonEmptyStringList(
+        input.SecurityGroupIds,
+        context
+      )
+    }),
+    ...(input.SubnetIds !== undefined && {
+      SubnetIds: serializeAws_restJson1_1NonEmptyStringList(
+        input.SubnetIds,
+        context
+      )
+    }),
+    ...(input.VpcId !== undefined && { VpcId: input.VpcId })
+  };
 };
 
 const serializeAws_restJson1_1AwsS3BucketDetails = (
   input: AwsS3BucketDetails,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.OwnerId !== undefined) {
-    bodyParams["OwnerId"] = input.OwnerId;
-  }
-  if (input.OwnerName !== undefined) {
-    bodyParams["OwnerName"] = input.OwnerName;
-  }
-  return bodyParams;
+  return {
+    ...(input.OwnerId !== undefined && { OwnerId: input.OwnerId }),
+    ...(input.OwnerName !== undefined && { OwnerName: input.OwnerName })
+  };
 };
 
 const serializeAws_restJson1_1AwsSecurityFinding = (
   input: AwsSecurityFinding,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AwsAccountId !== undefined) {
-    bodyParams["AwsAccountId"] = input.AwsAccountId;
-  }
-  if (input.Compliance !== undefined) {
-    bodyParams["Compliance"] = serializeAws_restJson1_1Compliance(
-      input.Compliance,
-      context
-    );
-  }
-  if (input.Confidence !== undefined) {
-    bodyParams["Confidence"] = input.Confidence;
-  }
-  if (input.CreatedAt !== undefined) {
-    bodyParams["CreatedAt"] = input.CreatedAt;
-  }
-  if (input.Criticality !== undefined) {
-    bodyParams["Criticality"] = input.Criticality;
-  }
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.FirstObservedAt !== undefined) {
-    bodyParams["FirstObservedAt"] = input.FirstObservedAt;
-  }
-  if (input.GeneratorId !== undefined) {
-    bodyParams["GeneratorId"] = input.GeneratorId;
-  }
-  if (input.Id !== undefined) {
-    bodyParams["Id"] = input.Id;
-  }
-  if (input.LastObservedAt !== undefined) {
-    bodyParams["LastObservedAt"] = input.LastObservedAt;
-  }
-  if (input.Malware !== undefined) {
-    bodyParams["Malware"] = serializeAws_restJson1_1MalwareList(
-      input.Malware,
-      context
-    );
-  }
-  if (input.Network !== undefined) {
-    bodyParams["Network"] = serializeAws_restJson1_1Network(
-      input.Network,
-      context
-    );
-  }
-  if (input.Note !== undefined) {
-    bodyParams["Note"] = serializeAws_restJson1_1Note(input.Note, context);
-  }
-  if (input.Process !== undefined) {
-    bodyParams["Process"] = serializeAws_restJson1_1ProcessDetails(
-      input.Process,
-      context
-    );
-  }
-  if (input.ProductArn !== undefined) {
-    bodyParams["ProductArn"] = input.ProductArn;
-  }
-  if (input.ProductFields !== undefined) {
-    bodyParams["ProductFields"] = serializeAws_restJson1_1FieldMap(
-      input.ProductFields,
-      context
-    );
-  }
-  if (input.RecordState !== undefined) {
-    bodyParams["RecordState"] = input.RecordState;
-  }
-  if (input.RelatedFindings !== undefined) {
-    bodyParams["RelatedFindings"] = serializeAws_restJson1_1RelatedFindingList(
-      input.RelatedFindings,
-      context
-    );
-  }
-  if (input.Remediation !== undefined) {
-    bodyParams["Remediation"] = serializeAws_restJson1_1Remediation(
-      input.Remediation,
-      context
-    );
-  }
-  if (input.Resources !== undefined) {
-    bodyParams["Resources"] = serializeAws_restJson1_1ResourceList(
-      input.Resources,
-      context
-    );
-  }
-  if (input.SchemaVersion !== undefined) {
-    bodyParams["SchemaVersion"] = input.SchemaVersion;
-  }
-  if (input.Severity !== undefined) {
-    bodyParams["Severity"] = serializeAws_restJson1_1Severity(
-      input.Severity,
-      context
-    );
-  }
-  if (input.SourceUrl !== undefined) {
-    bodyParams["SourceUrl"] = input.SourceUrl;
-  }
-  if (input.ThreatIntelIndicators !== undefined) {
-    bodyParams[
-      "ThreatIntelIndicators"
-    ] = serializeAws_restJson1_1ThreatIntelIndicatorList(
-      input.ThreatIntelIndicators,
-      context
-    );
-  }
-  if (input.Title !== undefined) {
-    bodyParams["Title"] = input.Title;
-  }
-  if (input.Types !== undefined) {
-    bodyParams["Types"] = serializeAws_restJson1_1TypeList(
-      input.Types,
-      context
-    );
-  }
-  if (input.UpdatedAt !== undefined) {
-    bodyParams["UpdatedAt"] = input.UpdatedAt;
-  }
-  if (input.UserDefinedFields !== undefined) {
-    bodyParams["UserDefinedFields"] = serializeAws_restJson1_1FieldMap(
-      input.UserDefinedFields,
-      context
-    );
-  }
-  if (input.VerificationState !== undefined) {
-    bodyParams["VerificationState"] = input.VerificationState;
-  }
-  if (input.WorkflowState !== undefined) {
-    bodyParams["WorkflowState"] = input.WorkflowState;
-  }
-  return bodyParams;
+  return {
+    ...(input.AwsAccountId !== undefined && {
+      AwsAccountId: input.AwsAccountId
+    }),
+    ...(input.Compliance !== undefined && {
+      Compliance: serializeAws_restJson1_1Compliance(input.Compliance, context)
+    }),
+    ...(input.Confidence !== undefined && { Confidence: input.Confidence }),
+    ...(input.CreatedAt !== undefined && { CreatedAt: input.CreatedAt }),
+    ...(input.Criticality !== undefined && { Criticality: input.Criticality }),
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.FirstObservedAt !== undefined && {
+      FirstObservedAt: input.FirstObservedAt
+    }),
+    ...(input.GeneratorId !== undefined && { GeneratorId: input.GeneratorId }),
+    ...(input.Id !== undefined && { Id: input.Id }),
+    ...(input.LastObservedAt !== undefined && {
+      LastObservedAt: input.LastObservedAt
+    }),
+    ...(input.Malware !== undefined && {
+      Malware: serializeAws_restJson1_1MalwareList(input.Malware, context)
+    }),
+    ...(input.Network !== undefined && {
+      Network: serializeAws_restJson1_1Network(input.Network, context)
+    }),
+    ...(input.Note !== undefined && {
+      Note: serializeAws_restJson1_1Note(input.Note, context)
+    }),
+    ...(input.Process !== undefined && {
+      Process: serializeAws_restJson1_1ProcessDetails(input.Process, context)
+    }),
+    ...(input.ProductArn !== undefined && { ProductArn: input.ProductArn }),
+    ...(input.ProductFields !== undefined && {
+      ProductFields: serializeAws_restJson1_1FieldMap(
+        input.ProductFields,
+        context
+      )
+    }),
+    ...(input.RecordState !== undefined && { RecordState: input.RecordState }),
+    ...(input.RelatedFindings !== undefined && {
+      RelatedFindings: serializeAws_restJson1_1RelatedFindingList(
+        input.RelatedFindings,
+        context
+      )
+    }),
+    ...(input.Remediation !== undefined && {
+      Remediation: serializeAws_restJson1_1Remediation(
+        input.Remediation,
+        context
+      )
+    }),
+    ...(input.Resources !== undefined && {
+      Resources: serializeAws_restJson1_1ResourceList(input.Resources, context)
+    }),
+    ...(input.SchemaVersion !== undefined && {
+      SchemaVersion: input.SchemaVersion
+    }),
+    ...(input.Severity !== undefined && {
+      Severity: serializeAws_restJson1_1Severity(input.Severity, context)
+    }),
+    ...(input.SourceUrl !== undefined && { SourceUrl: input.SourceUrl }),
+    ...(input.ThreatIntelIndicators !== undefined && {
+      ThreatIntelIndicators: serializeAws_restJson1_1ThreatIntelIndicatorList(
+        input.ThreatIntelIndicators,
+        context
+      )
+    }),
+    ...(input.Title !== undefined && { Title: input.Title }),
+    ...(input.Types !== undefined && {
+      Types: serializeAws_restJson1_1TypeList(input.Types, context)
+    }),
+    ...(input.UpdatedAt !== undefined && { UpdatedAt: input.UpdatedAt }),
+    ...(input.UserDefinedFields !== undefined && {
+      UserDefinedFields: serializeAws_restJson1_1FieldMap(
+        input.UserDefinedFields,
+        context
+      )
+    }),
+    ...(input.VerificationState !== undefined && {
+      VerificationState: input.VerificationState
+    }),
+    ...(input.WorkflowState !== undefined && {
+      WorkflowState: input.WorkflowState
+    })
+  };
 };
 
 const serializeAws_restJson1_1AwsSecurityFindingFilters = (
   input: AwsSecurityFindingFilters,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AwsAccountId !== undefined) {
-    bodyParams["AwsAccountId"] = serializeAws_restJson1_1StringFilterList(
-      input.AwsAccountId,
-      context
-    );
-  }
-  if (input.CompanyName !== undefined) {
-    bodyParams["CompanyName"] = serializeAws_restJson1_1StringFilterList(
-      input.CompanyName,
-      context
-    );
-  }
-  if (input.ComplianceStatus !== undefined) {
-    bodyParams["ComplianceStatus"] = serializeAws_restJson1_1StringFilterList(
-      input.ComplianceStatus,
-      context
-    );
-  }
-  if (input.Confidence !== undefined) {
-    bodyParams["Confidence"] = serializeAws_restJson1_1NumberFilterList(
-      input.Confidence,
-      context
-    );
-  }
-  if (input.CreatedAt !== undefined) {
-    bodyParams["CreatedAt"] = serializeAws_restJson1_1DateFilterList(
-      input.CreatedAt,
-      context
-    );
-  }
-  if (input.Criticality !== undefined) {
-    bodyParams["Criticality"] = serializeAws_restJson1_1NumberFilterList(
-      input.Criticality,
-      context
-    );
-  }
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = serializeAws_restJson1_1StringFilterList(
-      input.Description,
-      context
-    );
-  }
-  if (input.FirstObservedAt !== undefined) {
-    bodyParams["FirstObservedAt"] = serializeAws_restJson1_1DateFilterList(
-      input.FirstObservedAt,
-      context
-    );
-  }
-  if (input.GeneratorId !== undefined) {
-    bodyParams["GeneratorId"] = serializeAws_restJson1_1StringFilterList(
-      input.GeneratorId,
-      context
-    );
-  }
-  if (input.Id !== undefined) {
-    bodyParams["Id"] = serializeAws_restJson1_1StringFilterList(
-      input.Id,
-      context
-    );
-  }
-  if (input.Keyword !== undefined) {
-    bodyParams["Keyword"] = serializeAws_restJson1_1KeywordFilterList(
-      input.Keyword,
-      context
-    );
-  }
-  if (input.LastObservedAt !== undefined) {
-    bodyParams["LastObservedAt"] = serializeAws_restJson1_1DateFilterList(
-      input.LastObservedAt,
-      context
-    );
-  }
-  if (input.MalwareName !== undefined) {
-    bodyParams["MalwareName"] = serializeAws_restJson1_1StringFilterList(
-      input.MalwareName,
-      context
-    );
-  }
-  if (input.MalwarePath !== undefined) {
-    bodyParams["MalwarePath"] = serializeAws_restJson1_1StringFilterList(
-      input.MalwarePath,
-      context
-    );
-  }
-  if (input.MalwareState !== undefined) {
-    bodyParams["MalwareState"] = serializeAws_restJson1_1StringFilterList(
-      input.MalwareState,
-      context
-    );
-  }
-  if (input.MalwareType !== undefined) {
-    bodyParams["MalwareType"] = serializeAws_restJson1_1StringFilterList(
-      input.MalwareType,
-      context
-    );
-  }
-  if (input.NetworkDestinationDomain !== undefined) {
-    bodyParams[
-      "NetworkDestinationDomain"
-    ] = serializeAws_restJson1_1StringFilterList(
-      input.NetworkDestinationDomain,
-      context
-    );
-  }
-  if (input.NetworkDestinationIpV4 !== undefined) {
-    bodyParams["NetworkDestinationIpV4"] = serializeAws_restJson1_1IpFilterList(
-      input.NetworkDestinationIpV4,
-      context
-    );
-  }
-  if (input.NetworkDestinationIpV6 !== undefined) {
-    bodyParams["NetworkDestinationIpV6"] = serializeAws_restJson1_1IpFilterList(
-      input.NetworkDestinationIpV6,
-      context
-    );
-  }
-  if (input.NetworkDestinationPort !== undefined) {
-    bodyParams[
-      "NetworkDestinationPort"
-    ] = serializeAws_restJson1_1NumberFilterList(
-      input.NetworkDestinationPort,
-      context
-    );
-  }
-  if (input.NetworkDirection !== undefined) {
-    bodyParams["NetworkDirection"] = serializeAws_restJson1_1StringFilterList(
-      input.NetworkDirection,
-      context
-    );
-  }
-  if (input.NetworkProtocol !== undefined) {
-    bodyParams["NetworkProtocol"] = serializeAws_restJson1_1StringFilterList(
-      input.NetworkProtocol,
-      context
-    );
-  }
-  if (input.NetworkSourceDomain !== undefined) {
-    bodyParams[
-      "NetworkSourceDomain"
-    ] = serializeAws_restJson1_1StringFilterList(
-      input.NetworkSourceDomain,
-      context
-    );
-  }
-  if (input.NetworkSourceIpV4 !== undefined) {
-    bodyParams["NetworkSourceIpV4"] = serializeAws_restJson1_1IpFilterList(
-      input.NetworkSourceIpV4,
-      context
-    );
-  }
-  if (input.NetworkSourceIpV6 !== undefined) {
-    bodyParams["NetworkSourceIpV6"] = serializeAws_restJson1_1IpFilterList(
-      input.NetworkSourceIpV6,
-      context
-    );
-  }
-  if (input.NetworkSourceMac !== undefined) {
-    bodyParams["NetworkSourceMac"] = serializeAws_restJson1_1StringFilterList(
-      input.NetworkSourceMac,
-      context
-    );
-  }
-  if (input.NetworkSourcePort !== undefined) {
-    bodyParams["NetworkSourcePort"] = serializeAws_restJson1_1NumberFilterList(
-      input.NetworkSourcePort,
-      context
-    );
-  }
-  if (input.NoteText !== undefined) {
-    bodyParams["NoteText"] = serializeAws_restJson1_1StringFilterList(
-      input.NoteText,
-      context
-    );
-  }
-  if (input.NoteUpdatedAt !== undefined) {
-    bodyParams["NoteUpdatedAt"] = serializeAws_restJson1_1DateFilterList(
-      input.NoteUpdatedAt,
-      context
-    );
-  }
-  if (input.NoteUpdatedBy !== undefined) {
-    bodyParams["NoteUpdatedBy"] = serializeAws_restJson1_1StringFilterList(
-      input.NoteUpdatedBy,
-      context
-    );
-  }
-  if (input.ProcessLaunchedAt !== undefined) {
-    bodyParams["ProcessLaunchedAt"] = serializeAws_restJson1_1DateFilterList(
-      input.ProcessLaunchedAt,
-      context
-    );
-  }
-  if (input.ProcessName !== undefined) {
-    bodyParams["ProcessName"] = serializeAws_restJson1_1StringFilterList(
-      input.ProcessName,
-      context
-    );
-  }
-  if (input.ProcessParentPid !== undefined) {
-    bodyParams["ProcessParentPid"] = serializeAws_restJson1_1NumberFilterList(
-      input.ProcessParentPid,
-      context
-    );
-  }
-  if (input.ProcessPath !== undefined) {
-    bodyParams["ProcessPath"] = serializeAws_restJson1_1StringFilterList(
-      input.ProcessPath,
-      context
-    );
-  }
-  if (input.ProcessPid !== undefined) {
-    bodyParams["ProcessPid"] = serializeAws_restJson1_1NumberFilterList(
-      input.ProcessPid,
-      context
-    );
-  }
-  if (input.ProcessTerminatedAt !== undefined) {
-    bodyParams["ProcessTerminatedAt"] = serializeAws_restJson1_1DateFilterList(
-      input.ProcessTerminatedAt,
-      context
-    );
-  }
-  if (input.ProductArn !== undefined) {
-    bodyParams["ProductArn"] = serializeAws_restJson1_1StringFilterList(
-      input.ProductArn,
-      context
-    );
-  }
-  if (input.ProductFields !== undefined) {
-    bodyParams["ProductFields"] = serializeAws_restJson1_1MapFilterList(
-      input.ProductFields,
-      context
-    );
-  }
-  if (input.ProductName !== undefined) {
-    bodyParams["ProductName"] = serializeAws_restJson1_1StringFilterList(
-      input.ProductName,
-      context
-    );
-  }
-  if (input.RecommendationText !== undefined) {
-    bodyParams["RecommendationText"] = serializeAws_restJson1_1StringFilterList(
-      input.RecommendationText,
-      context
-    );
-  }
-  if (input.RecordState !== undefined) {
-    bodyParams["RecordState"] = serializeAws_restJson1_1StringFilterList(
-      input.RecordState,
-      context
-    );
-  }
-  if (input.RelatedFindingsId !== undefined) {
-    bodyParams["RelatedFindingsId"] = serializeAws_restJson1_1StringFilterList(
-      input.RelatedFindingsId,
-      context
-    );
-  }
-  if (input.RelatedFindingsProductArn !== undefined) {
-    bodyParams[
-      "RelatedFindingsProductArn"
-    ] = serializeAws_restJson1_1StringFilterList(
-      input.RelatedFindingsProductArn,
-      context
-    );
-  }
-  if (input.ResourceAwsEc2InstanceIamInstanceProfileArn !== undefined) {
-    bodyParams[
-      "ResourceAwsEc2InstanceIamInstanceProfileArn"
-    ] = serializeAws_restJson1_1StringFilterList(
-      input.ResourceAwsEc2InstanceIamInstanceProfileArn,
-      context
-    );
-  }
-  if (input.ResourceAwsEc2InstanceImageId !== undefined) {
-    bodyParams[
-      "ResourceAwsEc2InstanceImageId"
-    ] = serializeAws_restJson1_1StringFilterList(
-      input.ResourceAwsEc2InstanceImageId,
-      context
-    );
-  }
-  if (input.ResourceAwsEc2InstanceIpV4Addresses !== undefined) {
-    bodyParams[
-      "ResourceAwsEc2InstanceIpV4Addresses"
-    ] = serializeAws_restJson1_1IpFilterList(
-      input.ResourceAwsEc2InstanceIpV4Addresses,
-      context
-    );
-  }
-  if (input.ResourceAwsEc2InstanceIpV6Addresses !== undefined) {
-    bodyParams[
-      "ResourceAwsEc2InstanceIpV6Addresses"
-    ] = serializeAws_restJson1_1IpFilterList(
-      input.ResourceAwsEc2InstanceIpV6Addresses,
-      context
-    );
-  }
-  if (input.ResourceAwsEc2InstanceKeyName !== undefined) {
-    bodyParams[
-      "ResourceAwsEc2InstanceKeyName"
-    ] = serializeAws_restJson1_1StringFilterList(
-      input.ResourceAwsEc2InstanceKeyName,
-      context
-    );
-  }
-  if (input.ResourceAwsEc2InstanceLaunchedAt !== undefined) {
-    bodyParams[
-      "ResourceAwsEc2InstanceLaunchedAt"
-    ] = serializeAws_restJson1_1DateFilterList(
-      input.ResourceAwsEc2InstanceLaunchedAt,
-      context
-    );
-  }
-  if (input.ResourceAwsEc2InstanceSubnetId !== undefined) {
-    bodyParams[
-      "ResourceAwsEc2InstanceSubnetId"
-    ] = serializeAws_restJson1_1StringFilterList(
-      input.ResourceAwsEc2InstanceSubnetId,
-      context
-    );
-  }
-  if (input.ResourceAwsEc2InstanceType !== undefined) {
-    bodyParams[
-      "ResourceAwsEc2InstanceType"
-    ] = serializeAws_restJson1_1StringFilterList(
-      input.ResourceAwsEc2InstanceType,
-      context
-    );
-  }
-  if (input.ResourceAwsEc2InstanceVpcId !== undefined) {
-    bodyParams[
-      "ResourceAwsEc2InstanceVpcId"
-    ] = serializeAws_restJson1_1StringFilterList(
-      input.ResourceAwsEc2InstanceVpcId,
-      context
-    );
-  }
-  if (input.ResourceAwsIamAccessKeyCreatedAt !== undefined) {
-    bodyParams[
-      "ResourceAwsIamAccessKeyCreatedAt"
-    ] = serializeAws_restJson1_1DateFilterList(
-      input.ResourceAwsIamAccessKeyCreatedAt,
-      context
-    );
-  }
-  if (input.ResourceAwsIamAccessKeyStatus !== undefined) {
-    bodyParams[
-      "ResourceAwsIamAccessKeyStatus"
-    ] = serializeAws_restJson1_1StringFilterList(
-      input.ResourceAwsIamAccessKeyStatus,
-      context
-    );
-  }
-  if (input.ResourceAwsIamAccessKeyUserName !== undefined) {
-    bodyParams[
-      "ResourceAwsIamAccessKeyUserName"
-    ] = serializeAws_restJson1_1StringFilterList(
-      input.ResourceAwsIamAccessKeyUserName,
-      context
-    );
-  }
-  if (input.ResourceAwsS3BucketOwnerId !== undefined) {
-    bodyParams[
-      "ResourceAwsS3BucketOwnerId"
-    ] = serializeAws_restJson1_1StringFilterList(
-      input.ResourceAwsS3BucketOwnerId,
-      context
-    );
-  }
-  if (input.ResourceAwsS3BucketOwnerName !== undefined) {
-    bodyParams[
-      "ResourceAwsS3BucketOwnerName"
-    ] = serializeAws_restJson1_1StringFilterList(
-      input.ResourceAwsS3BucketOwnerName,
-      context
-    );
-  }
-  if (input.ResourceContainerImageId !== undefined) {
-    bodyParams[
-      "ResourceContainerImageId"
-    ] = serializeAws_restJson1_1StringFilterList(
-      input.ResourceContainerImageId,
-      context
-    );
-  }
-  if (input.ResourceContainerImageName !== undefined) {
-    bodyParams[
-      "ResourceContainerImageName"
-    ] = serializeAws_restJson1_1StringFilterList(
-      input.ResourceContainerImageName,
-      context
-    );
-  }
-  if (input.ResourceContainerLaunchedAt !== undefined) {
-    bodyParams[
-      "ResourceContainerLaunchedAt"
-    ] = serializeAws_restJson1_1DateFilterList(
-      input.ResourceContainerLaunchedAt,
-      context
-    );
-  }
-  if (input.ResourceContainerName !== undefined) {
-    bodyParams[
-      "ResourceContainerName"
-    ] = serializeAws_restJson1_1StringFilterList(
-      input.ResourceContainerName,
-      context
-    );
-  }
-  if (input.ResourceDetailsOther !== undefined) {
-    bodyParams["ResourceDetailsOther"] = serializeAws_restJson1_1MapFilterList(
-      input.ResourceDetailsOther,
-      context
-    );
-  }
-  if (input.ResourceId !== undefined) {
-    bodyParams["ResourceId"] = serializeAws_restJson1_1StringFilterList(
-      input.ResourceId,
-      context
-    );
-  }
-  if (input.ResourcePartition !== undefined) {
-    bodyParams["ResourcePartition"] = serializeAws_restJson1_1StringFilterList(
-      input.ResourcePartition,
-      context
-    );
-  }
-  if (input.ResourceRegion !== undefined) {
-    bodyParams["ResourceRegion"] = serializeAws_restJson1_1StringFilterList(
-      input.ResourceRegion,
-      context
-    );
-  }
-  if (input.ResourceTags !== undefined) {
-    bodyParams["ResourceTags"] = serializeAws_restJson1_1MapFilterList(
-      input.ResourceTags,
-      context
-    );
-  }
-  if (input.ResourceType !== undefined) {
-    bodyParams["ResourceType"] = serializeAws_restJson1_1StringFilterList(
-      input.ResourceType,
-      context
-    );
-  }
-  if (input.SeverityLabel !== undefined) {
-    bodyParams["SeverityLabel"] = serializeAws_restJson1_1StringFilterList(
-      input.SeverityLabel,
-      context
-    );
-  }
-  if (input.SeverityNormalized !== undefined) {
-    bodyParams["SeverityNormalized"] = serializeAws_restJson1_1NumberFilterList(
-      input.SeverityNormalized,
-      context
-    );
-  }
-  if (input.SeverityProduct !== undefined) {
-    bodyParams["SeverityProduct"] = serializeAws_restJson1_1NumberFilterList(
-      input.SeverityProduct,
-      context
-    );
-  }
-  if (input.SourceUrl !== undefined) {
-    bodyParams["SourceUrl"] = serializeAws_restJson1_1StringFilterList(
-      input.SourceUrl,
-      context
-    );
-  }
-  if (input.ThreatIntelIndicatorCategory !== undefined) {
-    bodyParams[
-      "ThreatIntelIndicatorCategory"
-    ] = serializeAws_restJson1_1StringFilterList(
-      input.ThreatIntelIndicatorCategory,
-      context
-    );
-  }
-  if (input.ThreatIntelIndicatorLastObservedAt !== undefined) {
-    bodyParams[
-      "ThreatIntelIndicatorLastObservedAt"
-    ] = serializeAws_restJson1_1DateFilterList(
-      input.ThreatIntelIndicatorLastObservedAt,
-      context
-    );
-  }
-  if (input.ThreatIntelIndicatorSource !== undefined) {
-    bodyParams[
-      "ThreatIntelIndicatorSource"
-    ] = serializeAws_restJson1_1StringFilterList(
-      input.ThreatIntelIndicatorSource,
-      context
-    );
-  }
-  if (input.ThreatIntelIndicatorSourceUrl !== undefined) {
-    bodyParams[
-      "ThreatIntelIndicatorSourceUrl"
-    ] = serializeAws_restJson1_1StringFilterList(
-      input.ThreatIntelIndicatorSourceUrl,
-      context
-    );
-  }
-  if (input.ThreatIntelIndicatorType !== undefined) {
-    bodyParams[
-      "ThreatIntelIndicatorType"
-    ] = serializeAws_restJson1_1StringFilterList(
-      input.ThreatIntelIndicatorType,
-      context
-    );
-  }
-  if (input.ThreatIntelIndicatorValue !== undefined) {
-    bodyParams[
-      "ThreatIntelIndicatorValue"
-    ] = serializeAws_restJson1_1StringFilterList(
-      input.ThreatIntelIndicatorValue,
-      context
-    );
-  }
-  if (input.Title !== undefined) {
-    bodyParams["Title"] = serializeAws_restJson1_1StringFilterList(
-      input.Title,
-      context
-    );
-  }
-  if (input.Type !== undefined) {
-    bodyParams["Type"] = serializeAws_restJson1_1StringFilterList(
-      input.Type,
-      context
-    );
-  }
-  if (input.UpdatedAt !== undefined) {
-    bodyParams["UpdatedAt"] = serializeAws_restJson1_1DateFilterList(
-      input.UpdatedAt,
-      context
-    );
-  }
-  if (input.UserDefinedFields !== undefined) {
-    bodyParams["UserDefinedFields"] = serializeAws_restJson1_1MapFilterList(
-      input.UserDefinedFields,
-      context
-    );
-  }
-  if (input.VerificationState !== undefined) {
-    bodyParams["VerificationState"] = serializeAws_restJson1_1StringFilterList(
-      input.VerificationState,
-      context
-    );
-  }
-  if (input.WorkflowState !== undefined) {
-    bodyParams["WorkflowState"] = serializeAws_restJson1_1StringFilterList(
-      input.WorkflowState,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.AwsAccountId !== undefined && {
+      AwsAccountId: serializeAws_restJson1_1StringFilterList(
+        input.AwsAccountId,
+        context
+      )
+    }),
+    ...(input.CompanyName !== undefined && {
+      CompanyName: serializeAws_restJson1_1StringFilterList(
+        input.CompanyName,
+        context
+      )
+    }),
+    ...(input.ComplianceStatus !== undefined && {
+      ComplianceStatus: serializeAws_restJson1_1StringFilterList(
+        input.ComplianceStatus,
+        context
+      )
+    }),
+    ...(input.Confidence !== undefined && {
+      Confidence: serializeAws_restJson1_1NumberFilterList(
+        input.Confidence,
+        context
+      )
+    }),
+    ...(input.CreatedAt !== undefined && {
+      CreatedAt: serializeAws_restJson1_1DateFilterList(
+        input.CreatedAt,
+        context
+      )
+    }),
+    ...(input.Criticality !== undefined && {
+      Criticality: serializeAws_restJson1_1NumberFilterList(
+        input.Criticality,
+        context
+      )
+    }),
+    ...(input.Description !== undefined && {
+      Description: serializeAws_restJson1_1StringFilterList(
+        input.Description,
+        context
+      )
+    }),
+    ...(input.FirstObservedAt !== undefined && {
+      FirstObservedAt: serializeAws_restJson1_1DateFilterList(
+        input.FirstObservedAt,
+        context
+      )
+    }),
+    ...(input.GeneratorId !== undefined && {
+      GeneratorId: serializeAws_restJson1_1StringFilterList(
+        input.GeneratorId,
+        context
+      )
+    }),
+    ...(input.Id !== undefined && {
+      Id: serializeAws_restJson1_1StringFilterList(input.Id, context)
+    }),
+    ...(input.Keyword !== undefined && {
+      Keyword: serializeAws_restJson1_1KeywordFilterList(input.Keyword, context)
+    }),
+    ...(input.LastObservedAt !== undefined && {
+      LastObservedAt: serializeAws_restJson1_1DateFilterList(
+        input.LastObservedAt,
+        context
+      )
+    }),
+    ...(input.MalwareName !== undefined && {
+      MalwareName: serializeAws_restJson1_1StringFilterList(
+        input.MalwareName,
+        context
+      )
+    }),
+    ...(input.MalwarePath !== undefined && {
+      MalwarePath: serializeAws_restJson1_1StringFilterList(
+        input.MalwarePath,
+        context
+      )
+    }),
+    ...(input.MalwareState !== undefined && {
+      MalwareState: serializeAws_restJson1_1StringFilterList(
+        input.MalwareState,
+        context
+      )
+    }),
+    ...(input.MalwareType !== undefined && {
+      MalwareType: serializeAws_restJson1_1StringFilterList(
+        input.MalwareType,
+        context
+      )
+    }),
+    ...(input.NetworkDestinationDomain !== undefined && {
+      NetworkDestinationDomain: serializeAws_restJson1_1StringFilterList(
+        input.NetworkDestinationDomain,
+        context
+      )
+    }),
+    ...(input.NetworkDestinationIpV4 !== undefined && {
+      NetworkDestinationIpV4: serializeAws_restJson1_1IpFilterList(
+        input.NetworkDestinationIpV4,
+        context
+      )
+    }),
+    ...(input.NetworkDestinationIpV6 !== undefined && {
+      NetworkDestinationIpV6: serializeAws_restJson1_1IpFilterList(
+        input.NetworkDestinationIpV6,
+        context
+      )
+    }),
+    ...(input.NetworkDestinationPort !== undefined && {
+      NetworkDestinationPort: serializeAws_restJson1_1NumberFilterList(
+        input.NetworkDestinationPort,
+        context
+      )
+    }),
+    ...(input.NetworkDirection !== undefined && {
+      NetworkDirection: serializeAws_restJson1_1StringFilterList(
+        input.NetworkDirection,
+        context
+      )
+    }),
+    ...(input.NetworkProtocol !== undefined && {
+      NetworkProtocol: serializeAws_restJson1_1StringFilterList(
+        input.NetworkProtocol,
+        context
+      )
+    }),
+    ...(input.NetworkSourceDomain !== undefined && {
+      NetworkSourceDomain: serializeAws_restJson1_1StringFilterList(
+        input.NetworkSourceDomain,
+        context
+      )
+    }),
+    ...(input.NetworkSourceIpV4 !== undefined && {
+      NetworkSourceIpV4: serializeAws_restJson1_1IpFilterList(
+        input.NetworkSourceIpV4,
+        context
+      )
+    }),
+    ...(input.NetworkSourceIpV6 !== undefined && {
+      NetworkSourceIpV6: serializeAws_restJson1_1IpFilterList(
+        input.NetworkSourceIpV6,
+        context
+      )
+    }),
+    ...(input.NetworkSourceMac !== undefined && {
+      NetworkSourceMac: serializeAws_restJson1_1StringFilterList(
+        input.NetworkSourceMac,
+        context
+      )
+    }),
+    ...(input.NetworkSourcePort !== undefined && {
+      NetworkSourcePort: serializeAws_restJson1_1NumberFilterList(
+        input.NetworkSourcePort,
+        context
+      )
+    }),
+    ...(input.NoteText !== undefined && {
+      NoteText: serializeAws_restJson1_1StringFilterList(
+        input.NoteText,
+        context
+      )
+    }),
+    ...(input.NoteUpdatedAt !== undefined && {
+      NoteUpdatedAt: serializeAws_restJson1_1DateFilterList(
+        input.NoteUpdatedAt,
+        context
+      )
+    }),
+    ...(input.NoteUpdatedBy !== undefined && {
+      NoteUpdatedBy: serializeAws_restJson1_1StringFilterList(
+        input.NoteUpdatedBy,
+        context
+      )
+    }),
+    ...(input.ProcessLaunchedAt !== undefined && {
+      ProcessLaunchedAt: serializeAws_restJson1_1DateFilterList(
+        input.ProcessLaunchedAt,
+        context
+      )
+    }),
+    ...(input.ProcessName !== undefined && {
+      ProcessName: serializeAws_restJson1_1StringFilterList(
+        input.ProcessName,
+        context
+      )
+    }),
+    ...(input.ProcessParentPid !== undefined && {
+      ProcessParentPid: serializeAws_restJson1_1NumberFilterList(
+        input.ProcessParentPid,
+        context
+      )
+    }),
+    ...(input.ProcessPath !== undefined && {
+      ProcessPath: serializeAws_restJson1_1StringFilterList(
+        input.ProcessPath,
+        context
+      )
+    }),
+    ...(input.ProcessPid !== undefined && {
+      ProcessPid: serializeAws_restJson1_1NumberFilterList(
+        input.ProcessPid,
+        context
+      )
+    }),
+    ...(input.ProcessTerminatedAt !== undefined && {
+      ProcessTerminatedAt: serializeAws_restJson1_1DateFilterList(
+        input.ProcessTerminatedAt,
+        context
+      )
+    }),
+    ...(input.ProductArn !== undefined && {
+      ProductArn: serializeAws_restJson1_1StringFilterList(
+        input.ProductArn,
+        context
+      )
+    }),
+    ...(input.ProductFields !== undefined && {
+      ProductFields: serializeAws_restJson1_1MapFilterList(
+        input.ProductFields,
+        context
+      )
+    }),
+    ...(input.ProductName !== undefined && {
+      ProductName: serializeAws_restJson1_1StringFilterList(
+        input.ProductName,
+        context
+      )
+    }),
+    ...(input.RecommendationText !== undefined && {
+      RecommendationText: serializeAws_restJson1_1StringFilterList(
+        input.RecommendationText,
+        context
+      )
+    }),
+    ...(input.RecordState !== undefined && {
+      RecordState: serializeAws_restJson1_1StringFilterList(
+        input.RecordState,
+        context
+      )
+    }),
+    ...(input.RelatedFindingsId !== undefined && {
+      RelatedFindingsId: serializeAws_restJson1_1StringFilterList(
+        input.RelatedFindingsId,
+        context
+      )
+    }),
+    ...(input.RelatedFindingsProductArn !== undefined && {
+      RelatedFindingsProductArn: serializeAws_restJson1_1StringFilterList(
+        input.RelatedFindingsProductArn,
+        context
+      )
+    }),
+    ...(input.ResourceAwsEc2InstanceIamInstanceProfileArn !== undefined && {
+      ResourceAwsEc2InstanceIamInstanceProfileArn: serializeAws_restJson1_1StringFilterList(
+        input.ResourceAwsEc2InstanceIamInstanceProfileArn,
+        context
+      )
+    }),
+    ...(input.ResourceAwsEc2InstanceImageId !== undefined && {
+      ResourceAwsEc2InstanceImageId: serializeAws_restJson1_1StringFilterList(
+        input.ResourceAwsEc2InstanceImageId,
+        context
+      )
+    }),
+    ...(input.ResourceAwsEc2InstanceIpV4Addresses !== undefined && {
+      ResourceAwsEc2InstanceIpV4Addresses: serializeAws_restJson1_1IpFilterList(
+        input.ResourceAwsEc2InstanceIpV4Addresses,
+        context
+      )
+    }),
+    ...(input.ResourceAwsEc2InstanceIpV6Addresses !== undefined && {
+      ResourceAwsEc2InstanceIpV6Addresses: serializeAws_restJson1_1IpFilterList(
+        input.ResourceAwsEc2InstanceIpV6Addresses,
+        context
+      )
+    }),
+    ...(input.ResourceAwsEc2InstanceKeyName !== undefined && {
+      ResourceAwsEc2InstanceKeyName: serializeAws_restJson1_1StringFilterList(
+        input.ResourceAwsEc2InstanceKeyName,
+        context
+      )
+    }),
+    ...(input.ResourceAwsEc2InstanceLaunchedAt !== undefined && {
+      ResourceAwsEc2InstanceLaunchedAt: serializeAws_restJson1_1DateFilterList(
+        input.ResourceAwsEc2InstanceLaunchedAt,
+        context
+      )
+    }),
+    ...(input.ResourceAwsEc2InstanceSubnetId !== undefined && {
+      ResourceAwsEc2InstanceSubnetId: serializeAws_restJson1_1StringFilterList(
+        input.ResourceAwsEc2InstanceSubnetId,
+        context
+      )
+    }),
+    ...(input.ResourceAwsEc2InstanceType !== undefined && {
+      ResourceAwsEc2InstanceType: serializeAws_restJson1_1StringFilterList(
+        input.ResourceAwsEc2InstanceType,
+        context
+      )
+    }),
+    ...(input.ResourceAwsEc2InstanceVpcId !== undefined && {
+      ResourceAwsEc2InstanceVpcId: serializeAws_restJson1_1StringFilterList(
+        input.ResourceAwsEc2InstanceVpcId,
+        context
+      )
+    }),
+    ...(input.ResourceAwsIamAccessKeyCreatedAt !== undefined && {
+      ResourceAwsIamAccessKeyCreatedAt: serializeAws_restJson1_1DateFilterList(
+        input.ResourceAwsIamAccessKeyCreatedAt,
+        context
+      )
+    }),
+    ...(input.ResourceAwsIamAccessKeyStatus !== undefined && {
+      ResourceAwsIamAccessKeyStatus: serializeAws_restJson1_1StringFilterList(
+        input.ResourceAwsIamAccessKeyStatus,
+        context
+      )
+    }),
+    ...(input.ResourceAwsIamAccessKeyUserName !== undefined && {
+      ResourceAwsIamAccessKeyUserName: serializeAws_restJson1_1StringFilterList(
+        input.ResourceAwsIamAccessKeyUserName,
+        context
+      )
+    }),
+    ...(input.ResourceAwsS3BucketOwnerId !== undefined && {
+      ResourceAwsS3BucketOwnerId: serializeAws_restJson1_1StringFilterList(
+        input.ResourceAwsS3BucketOwnerId,
+        context
+      )
+    }),
+    ...(input.ResourceAwsS3BucketOwnerName !== undefined && {
+      ResourceAwsS3BucketOwnerName: serializeAws_restJson1_1StringFilterList(
+        input.ResourceAwsS3BucketOwnerName,
+        context
+      )
+    }),
+    ...(input.ResourceContainerImageId !== undefined && {
+      ResourceContainerImageId: serializeAws_restJson1_1StringFilterList(
+        input.ResourceContainerImageId,
+        context
+      )
+    }),
+    ...(input.ResourceContainerImageName !== undefined && {
+      ResourceContainerImageName: serializeAws_restJson1_1StringFilterList(
+        input.ResourceContainerImageName,
+        context
+      )
+    }),
+    ...(input.ResourceContainerLaunchedAt !== undefined && {
+      ResourceContainerLaunchedAt: serializeAws_restJson1_1DateFilterList(
+        input.ResourceContainerLaunchedAt,
+        context
+      )
+    }),
+    ...(input.ResourceContainerName !== undefined && {
+      ResourceContainerName: serializeAws_restJson1_1StringFilterList(
+        input.ResourceContainerName,
+        context
+      )
+    }),
+    ...(input.ResourceDetailsOther !== undefined && {
+      ResourceDetailsOther: serializeAws_restJson1_1MapFilterList(
+        input.ResourceDetailsOther,
+        context
+      )
+    }),
+    ...(input.ResourceId !== undefined && {
+      ResourceId: serializeAws_restJson1_1StringFilterList(
+        input.ResourceId,
+        context
+      )
+    }),
+    ...(input.ResourcePartition !== undefined && {
+      ResourcePartition: serializeAws_restJson1_1StringFilterList(
+        input.ResourcePartition,
+        context
+      )
+    }),
+    ...(input.ResourceRegion !== undefined && {
+      ResourceRegion: serializeAws_restJson1_1StringFilterList(
+        input.ResourceRegion,
+        context
+      )
+    }),
+    ...(input.ResourceTags !== undefined && {
+      ResourceTags: serializeAws_restJson1_1MapFilterList(
+        input.ResourceTags,
+        context
+      )
+    }),
+    ...(input.ResourceType !== undefined && {
+      ResourceType: serializeAws_restJson1_1StringFilterList(
+        input.ResourceType,
+        context
+      )
+    }),
+    ...(input.SeverityLabel !== undefined && {
+      SeverityLabel: serializeAws_restJson1_1StringFilterList(
+        input.SeverityLabel,
+        context
+      )
+    }),
+    ...(input.SeverityNormalized !== undefined && {
+      SeverityNormalized: serializeAws_restJson1_1NumberFilterList(
+        input.SeverityNormalized,
+        context
+      )
+    }),
+    ...(input.SeverityProduct !== undefined && {
+      SeverityProduct: serializeAws_restJson1_1NumberFilterList(
+        input.SeverityProduct,
+        context
+      )
+    }),
+    ...(input.SourceUrl !== undefined && {
+      SourceUrl: serializeAws_restJson1_1StringFilterList(
+        input.SourceUrl,
+        context
+      )
+    }),
+    ...(input.ThreatIntelIndicatorCategory !== undefined && {
+      ThreatIntelIndicatorCategory: serializeAws_restJson1_1StringFilterList(
+        input.ThreatIntelIndicatorCategory,
+        context
+      )
+    }),
+    ...(input.ThreatIntelIndicatorLastObservedAt !== undefined && {
+      ThreatIntelIndicatorLastObservedAt: serializeAws_restJson1_1DateFilterList(
+        input.ThreatIntelIndicatorLastObservedAt,
+        context
+      )
+    }),
+    ...(input.ThreatIntelIndicatorSource !== undefined && {
+      ThreatIntelIndicatorSource: serializeAws_restJson1_1StringFilterList(
+        input.ThreatIntelIndicatorSource,
+        context
+      )
+    }),
+    ...(input.ThreatIntelIndicatorSourceUrl !== undefined && {
+      ThreatIntelIndicatorSourceUrl: serializeAws_restJson1_1StringFilterList(
+        input.ThreatIntelIndicatorSourceUrl,
+        context
+      )
+    }),
+    ...(input.ThreatIntelIndicatorType !== undefined && {
+      ThreatIntelIndicatorType: serializeAws_restJson1_1StringFilterList(
+        input.ThreatIntelIndicatorType,
+        context
+      )
+    }),
+    ...(input.ThreatIntelIndicatorValue !== undefined && {
+      ThreatIntelIndicatorValue: serializeAws_restJson1_1StringFilterList(
+        input.ThreatIntelIndicatorValue,
+        context
+      )
+    }),
+    ...(input.Title !== undefined && {
+      Title: serializeAws_restJson1_1StringFilterList(input.Title, context)
+    }),
+    ...(input.Type !== undefined && {
+      Type: serializeAws_restJson1_1StringFilterList(input.Type, context)
+    }),
+    ...(input.UpdatedAt !== undefined && {
+      UpdatedAt: serializeAws_restJson1_1DateFilterList(
+        input.UpdatedAt,
+        context
+      )
+    }),
+    ...(input.UserDefinedFields !== undefined && {
+      UserDefinedFields: serializeAws_restJson1_1MapFilterList(
+        input.UserDefinedFields,
+        context
+      )
+    }),
+    ...(input.VerificationState !== undefined && {
+      VerificationState: serializeAws_restJson1_1StringFilterList(
+        input.VerificationState,
+        context
+      )
+    }),
+    ...(input.WorkflowState !== undefined && {
+      WorkflowState: serializeAws_restJson1_1StringFilterList(
+        input.WorkflowState,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1AwsSecurityFindingList = (
@@ -7003,39 +6747,29 @@ const serializeAws_restJson1_1AwsSnsTopicDetails = (
   input: AwsSnsTopicDetails,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.KmsMasterKeyId !== undefined) {
-    bodyParams["KmsMasterKeyId"] = input.KmsMasterKeyId;
-  }
-  if (input.Owner !== undefined) {
-    bodyParams["Owner"] = input.Owner;
-  }
-  if (input.Subscription !== undefined) {
-    bodyParams[
-      "Subscription"
-    ] = serializeAws_restJson1_1AwsSnsTopicSubscriptionList(
-      input.Subscription,
-      context
-    );
-  }
-  if (input.TopicName !== undefined) {
-    bodyParams["TopicName"] = input.TopicName;
-  }
-  return bodyParams;
+  return {
+    ...(input.KmsMasterKeyId !== undefined && {
+      KmsMasterKeyId: input.KmsMasterKeyId
+    }),
+    ...(input.Owner !== undefined && { Owner: input.Owner }),
+    ...(input.Subscription !== undefined && {
+      Subscription: serializeAws_restJson1_1AwsSnsTopicSubscriptionList(
+        input.Subscription,
+        context
+      )
+    }),
+    ...(input.TopicName !== undefined && { TopicName: input.TopicName })
+  };
 };
 
 const serializeAws_restJson1_1AwsSnsTopicSubscription = (
   input: AwsSnsTopicSubscription,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Endpoint !== undefined) {
-    bodyParams["Endpoint"] = input.Endpoint;
-  }
-  if (input.Protocol !== undefined) {
-    bodyParams["Protocol"] = input.Protocol;
-  }
-  return bodyParams;
+  return {
+    ...(input.Endpoint !== undefined && { Endpoint: input.Endpoint }),
+    ...(input.Protocol !== undefined && { Protocol: input.Protocol })
+  };
 };
 
 const serializeAws_restJson1_1AwsSnsTopicSubscriptionList = (
@@ -7051,72 +6785,52 @@ const serializeAws_restJson1_1AwsSqsQueueDetails = (
   input: AwsSqsQueueDetails,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DeadLetterTargetArn !== undefined) {
-    bodyParams["DeadLetterTargetArn"] = input.DeadLetterTargetArn;
-  }
-  if (input.KmsDataKeyReusePeriodSeconds !== undefined) {
-    bodyParams["KmsDataKeyReusePeriodSeconds"] =
-      input.KmsDataKeyReusePeriodSeconds;
-  }
-  if (input.KmsMasterKeyId !== undefined) {
-    bodyParams["KmsMasterKeyId"] = input.KmsMasterKeyId;
-  }
-  if (input.QueueName !== undefined) {
-    bodyParams["QueueName"] = input.QueueName;
-  }
-  return bodyParams;
+  return {
+    ...(input.DeadLetterTargetArn !== undefined && {
+      DeadLetterTargetArn: input.DeadLetterTargetArn
+    }),
+    ...(input.KmsDataKeyReusePeriodSeconds !== undefined && {
+      KmsDataKeyReusePeriodSeconds: input.KmsDataKeyReusePeriodSeconds
+    }),
+    ...(input.KmsMasterKeyId !== undefined && {
+      KmsMasterKeyId: input.KmsMasterKeyId
+    }),
+    ...(input.QueueName !== undefined && { QueueName: input.QueueName })
+  };
 };
 
 const serializeAws_restJson1_1Compliance = (
   input: Compliance,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Status !== undefined) {
-    bodyParams["Status"] = input.Status;
-  }
-  return bodyParams;
+  return {
+    ...(input.Status !== undefined && { Status: input.Status })
+  };
 };
 
 const serializeAws_restJson1_1ContainerDetails = (
   input: ContainerDetails,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ImageId !== undefined) {
-    bodyParams["ImageId"] = input.ImageId;
-  }
-  if (input.ImageName !== undefined) {
-    bodyParams["ImageName"] = input.ImageName;
-  }
-  if (input.LaunchedAt !== undefined) {
-    bodyParams["LaunchedAt"] = input.LaunchedAt;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.ImageId !== undefined && { ImageId: input.ImageId }),
+    ...(input.ImageName !== undefined && { ImageName: input.ImageName }),
+    ...(input.LaunchedAt !== undefined && { LaunchedAt: input.LaunchedAt }),
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_restJson1_1DateFilter = (
   input: DateFilter,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DateRange !== undefined) {
-    bodyParams["DateRange"] = serializeAws_restJson1_1DateRange(
-      input.DateRange,
-      context
-    );
-  }
-  if (input.End !== undefined) {
-    bodyParams["End"] = input.End;
-  }
-  if (input.Start !== undefined) {
-    bodyParams["Start"] = input.Start;
-  }
-  return bodyParams;
+  return {
+    ...(input.DateRange !== undefined && {
+      DateRange: serializeAws_restJson1_1DateRange(input.DateRange, context)
+    }),
+    ...(input.End !== undefined && { End: input.End }),
+    ...(input.Start !== undefined && { Start: input.Start })
+  };
 };
 
 const serializeAws_restJson1_1DateFilterList = (
@@ -7130,14 +6844,10 @@ const serializeAws_restJson1_1DateRange = (
   input: DateRange,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Unit !== undefined) {
-    bodyParams["Unit"] = input.Unit;
-  }
-  if (input.Value !== undefined) {
-    bodyParams["Value"] = input.Value;
-  }
-  return bodyParams;
+  return {
+    ...(input.Unit !== undefined && { Unit: input.Unit }),
+    ...(input.Value !== undefined && { Value: input.Value })
+  };
 };
 
 const serializeAws_restJson1_1FieldMap = (
@@ -7154,11 +6864,9 @@ const serializeAws_restJson1_1IpFilter = (
   input: IpFilter,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Cidr !== undefined) {
-    bodyParams["Cidr"] = input.Cidr;
-  }
-  return bodyParams;
+  return {
+    ...(input.Cidr !== undefined && { Cidr: input.Cidr })
+  };
 };
 
 const serializeAws_restJson1_1IpFilterList = (
@@ -7172,11 +6880,9 @@ const serializeAws_restJson1_1KeywordFilter = (
   input: KeywordFilter,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Value !== undefined) {
-    bodyParams["Value"] = input.Value;
-  }
-  return bodyParams;
+  return {
+    ...(input.Value !== undefined && { Value: input.Value })
+  };
 };
 
 const serializeAws_restJson1_1KeywordFilterList = (
@@ -7192,34 +6898,22 @@ const serializeAws_restJson1_1LoadBalancerState = (
   input: LoadBalancerState,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Code !== undefined) {
-    bodyParams["Code"] = input.Code;
-  }
-  if (input.Reason !== undefined) {
-    bodyParams["Reason"] = input.Reason;
-  }
-  return bodyParams;
+  return {
+    ...(input.Code !== undefined && { Code: input.Code }),
+    ...(input.Reason !== undefined && { Reason: input.Reason })
+  };
 };
 
 const serializeAws_restJson1_1Malware = (
   input: Malware,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.Path !== undefined) {
-    bodyParams["Path"] = input.Path;
-  }
-  if (input.State !== undefined) {
-    bodyParams["State"] = input.State;
-  }
-  if (input.Type !== undefined) {
-    bodyParams["Type"] = input.Type;
-  }
-  return bodyParams;
+  return {
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.Path !== undefined && { Path: input.Path }),
+    ...(input.State !== undefined && { State: input.State }),
+    ...(input.Type !== undefined && { Type: input.Type })
+  };
 };
 
 const serializeAws_restJson1_1MalwareList = (
@@ -7233,17 +6927,11 @@ const serializeAws_restJson1_1MapFilter = (
   input: MapFilter,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Comparison !== undefined) {
-    bodyParams["Comparison"] = input.Comparison;
-  }
-  if (input.Key !== undefined) {
-    bodyParams["Key"] = input.Key;
-  }
-  if (input.Value !== undefined) {
-    bodyParams["Value"] = input.Value;
-  }
-  return bodyParams;
+  return {
+    ...(input.Comparison !== undefined && { Comparison: input.Comparison }),
+    ...(input.Key !== undefined && { Key: input.Key }),
+    ...(input.Value !== undefined && { Value: input.Value })
+  };
 };
 
 const serializeAws_restJson1_1MapFilterList = (
@@ -7257,41 +6945,29 @@ const serializeAws_restJson1_1Network = (
   input: Network,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DestinationDomain !== undefined) {
-    bodyParams["DestinationDomain"] = input.DestinationDomain;
-  }
-  if (input.DestinationIpV4 !== undefined) {
-    bodyParams["DestinationIpV4"] = input.DestinationIpV4;
-  }
-  if (input.DestinationIpV6 !== undefined) {
-    bodyParams["DestinationIpV6"] = input.DestinationIpV6;
-  }
-  if (input.DestinationPort !== undefined) {
-    bodyParams["DestinationPort"] = input.DestinationPort;
-  }
-  if (input.Direction !== undefined) {
-    bodyParams["Direction"] = input.Direction;
-  }
-  if (input.Protocol !== undefined) {
-    bodyParams["Protocol"] = input.Protocol;
-  }
-  if (input.SourceDomain !== undefined) {
-    bodyParams["SourceDomain"] = input.SourceDomain;
-  }
-  if (input.SourceIpV4 !== undefined) {
-    bodyParams["SourceIpV4"] = input.SourceIpV4;
-  }
-  if (input.SourceIpV6 !== undefined) {
-    bodyParams["SourceIpV6"] = input.SourceIpV6;
-  }
-  if (input.SourceMac !== undefined) {
-    bodyParams["SourceMac"] = input.SourceMac;
-  }
-  if (input.SourcePort !== undefined) {
-    bodyParams["SourcePort"] = input.SourcePort;
-  }
-  return bodyParams;
+  return {
+    ...(input.DestinationDomain !== undefined && {
+      DestinationDomain: input.DestinationDomain
+    }),
+    ...(input.DestinationIpV4 !== undefined && {
+      DestinationIpV4: input.DestinationIpV4
+    }),
+    ...(input.DestinationIpV6 !== undefined && {
+      DestinationIpV6: input.DestinationIpV6
+    }),
+    ...(input.DestinationPort !== undefined && {
+      DestinationPort: input.DestinationPort
+    }),
+    ...(input.Direction !== undefined && { Direction: input.Direction }),
+    ...(input.Protocol !== undefined && { Protocol: input.Protocol }),
+    ...(input.SourceDomain !== undefined && {
+      SourceDomain: input.SourceDomain
+    }),
+    ...(input.SourceIpV4 !== undefined && { SourceIpV4: input.SourceIpV4 }),
+    ...(input.SourceIpV6 !== undefined && { SourceIpV6: input.SourceIpV6 }),
+    ...(input.SourceMac !== undefined && { SourceMac: input.SourceMac }),
+    ...(input.SourcePort !== undefined && { SourcePort: input.SourcePort })
+  };
 };
 
 const serializeAws_restJson1_1NonEmptyStringList = (
@@ -7305,48 +6981,32 @@ const serializeAws_restJson1_1Note = (
   input: Note,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Text !== undefined) {
-    bodyParams["Text"] = input.Text;
-  }
-  if (input.UpdatedAt !== undefined) {
-    bodyParams["UpdatedAt"] = input.UpdatedAt;
-  }
-  if (input.UpdatedBy !== undefined) {
-    bodyParams["UpdatedBy"] = input.UpdatedBy;
-  }
-  return bodyParams;
+  return {
+    ...(input.Text !== undefined && { Text: input.Text }),
+    ...(input.UpdatedAt !== undefined && { UpdatedAt: input.UpdatedAt }),
+    ...(input.UpdatedBy !== undefined && { UpdatedBy: input.UpdatedBy })
+  };
 };
 
 const serializeAws_restJson1_1NoteUpdate = (
   input: NoteUpdate,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Text !== undefined) {
-    bodyParams["Text"] = input.Text;
-  }
-  if (input.UpdatedBy !== undefined) {
-    bodyParams["UpdatedBy"] = input.UpdatedBy;
-  }
-  return bodyParams;
+  return {
+    ...(input.Text !== undefined && { Text: input.Text }),
+    ...(input.UpdatedBy !== undefined && { UpdatedBy: input.UpdatedBy })
+  };
 };
 
 const serializeAws_restJson1_1NumberFilter = (
   input: NumberFilter,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Eq !== undefined) {
-    bodyParams["Eq"] = input.Eq;
-  }
-  if (input.Gte !== undefined) {
-    bodyParams["Gte"] = input.Gte;
-  }
-  if (input.Lte !== undefined) {
-    bodyParams["Lte"] = input.Lte;
-  }
-  return bodyParams;
+  return {
+    ...(input.Eq !== undefined && { Eq: input.Eq }),
+    ...(input.Gte !== undefined && { Gte: input.Gte }),
+    ...(input.Lte !== undefined && { Lte: input.Lte })
+  };
 };
 
 const serializeAws_restJson1_1NumberFilterList = (
@@ -7362,54 +7022,36 @@ const serializeAws_restJson1_1ProcessDetails = (
   input: ProcessDetails,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.LaunchedAt !== undefined) {
-    bodyParams["LaunchedAt"] = input.LaunchedAt;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.ParentPid !== undefined) {
-    bodyParams["ParentPid"] = input.ParentPid;
-  }
-  if (input.Path !== undefined) {
-    bodyParams["Path"] = input.Path;
-  }
-  if (input.Pid !== undefined) {
-    bodyParams["Pid"] = input.Pid;
-  }
-  if (input.TerminatedAt !== undefined) {
-    bodyParams["TerminatedAt"] = input.TerminatedAt;
-  }
-  return bodyParams;
+  return {
+    ...(input.LaunchedAt !== undefined && { LaunchedAt: input.LaunchedAt }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.ParentPid !== undefined && { ParentPid: input.ParentPid }),
+    ...(input.Path !== undefined && { Path: input.Path }),
+    ...(input.Pid !== undefined && { Pid: input.Pid }),
+    ...(input.TerminatedAt !== undefined && {
+      TerminatedAt: input.TerminatedAt
+    })
+  };
 };
 
 const serializeAws_restJson1_1Recommendation = (
   input: Recommendation,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Text !== undefined) {
-    bodyParams["Text"] = input.Text;
-  }
-  if (input.Url !== undefined) {
-    bodyParams["Url"] = input.Url;
-  }
-  return bodyParams;
+  return {
+    ...(input.Text !== undefined && { Text: input.Text }),
+    ...(input.Url !== undefined && { Url: input.Url })
+  };
 };
 
 const serializeAws_restJson1_1RelatedFinding = (
   input: RelatedFinding,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Id !== undefined) {
-    bodyParams["Id"] = input.Id;
-  }
-  if (input.ProductArn !== undefined) {
-    bodyParams["ProductArn"] = input.ProductArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.Id !== undefined && { Id: input.Id }),
+    ...(input.ProductArn !== undefined && { ProductArn: input.ProductArn })
+  };
 };
 
 const serializeAws_restJson1_1RelatedFindingList = (
@@ -7425,133 +7067,109 @@ const serializeAws_restJson1_1Remediation = (
   input: Remediation,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Recommendation !== undefined) {
-    bodyParams["Recommendation"] = serializeAws_restJson1_1Recommendation(
-      input.Recommendation,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Recommendation !== undefined && {
+      Recommendation: serializeAws_restJson1_1Recommendation(
+        input.Recommendation,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1Resource = (
   input: Resource,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Details !== undefined) {
-    bodyParams["Details"] = serializeAws_restJson1_1ResourceDetails(
-      input.Details,
-      context
-    );
-  }
-  if (input.Id !== undefined) {
-    bodyParams["Id"] = input.Id;
-  }
-  if (input.Partition !== undefined) {
-    bodyParams["Partition"] = input.Partition;
-  }
-  if (input.Region !== undefined) {
-    bodyParams["Region"] = input.Region;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_restJson1_1FieldMap(input.Tags, context);
-  }
-  if (input.Type !== undefined) {
-    bodyParams["Type"] = input.Type;
-  }
-  return bodyParams;
+  return {
+    ...(input.Details !== undefined && {
+      Details: serializeAws_restJson1_1ResourceDetails(input.Details, context)
+    }),
+    ...(input.Id !== undefined && { Id: input.Id }),
+    ...(input.Partition !== undefined && { Partition: input.Partition }),
+    ...(input.Region !== undefined && { Region: input.Region }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_restJson1_1FieldMap(input.Tags, context)
+    }),
+    ...(input.Type !== undefined && { Type: input.Type })
+  };
 };
 
 const serializeAws_restJson1_1ResourceDetails = (
   input: ResourceDetails,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AwsCloudFrontDistribution !== undefined) {
-    bodyParams[
-      "AwsCloudFrontDistribution"
-    ] = serializeAws_restJson1_1AwsCloudFrontDistributionDetails(
-      input.AwsCloudFrontDistribution,
-      context
-    );
-  }
-  if (input.AwsEc2Instance !== undefined) {
-    bodyParams[
-      "AwsEc2Instance"
-    ] = serializeAws_restJson1_1AwsEc2InstanceDetails(
-      input.AwsEc2Instance,
-      context
-    );
-  }
-  if (input.AwsElbv2LoadBalancer !== undefined) {
-    bodyParams[
-      "AwsElbv2LoadBalancer"
-    ] = serializeAws_restJson1_1AwsElbv2LoadBalancerDetails(
-      input.AwsElbv2LoadBalancer,
-      context
-    );
-  }
-  if (input.AwsIamAccessKey !== undefined) {
-    bodyParams[
-      "AwsIamAccessKey"
-    ] = serializeAws_restJson1_1AwsIamAccessKeyDetails(
-      input.AwsIamAccessKey,
-      context
-    );
-  }
-  if (input.AwsIamRole !== undefined) {
-    bodyParams["AwsIamRole"] = serializeAws_restJson1_1AwsIamRoleDetails(
-      input.AwsIamRole,
-      context
-    );
-  }
-  if (input.AwsKmsKey !== undefined) {
-    bodyParams["AwsKmsKey"] = serializeAws_restJson1_1AwsKmsKeyDetails(
-      input.AwsKmsKey,
-      context
-    );
-  }
-  if (input.AwsLambdaFunction !== undefined) {
-    bodyParams[
-      "AwsLambdaFunction"
-    ] = serializeAws_restJson1_1AwsLambdaFunctionDetails(
-      input.AwsLambdaFunction,
-      context
-    );
-  }
-  if (input.AwsS3Bucket !== undefined) {
-    bodyParams["AwsS3Bucket"] = serializeAws_restJson1_1AwsS3BucketDetails(
-      input.AwsS3Bucket,
-      context
-    );
-  }
-  if (input.AwsSnsTopic !== undefined) {
-    bodyParams["AwsSnsTopic"] = serializeAws_restJson1_1AwsSnsTopicDetails(
-      input.AwsSnsTopic,
-      context
-    );
-  }
-  if (input.AwsSqsQueue !== undefined) {
-    bodyParams["AwsSqsQueue"] = serializeAws_restJson1_1AwsSqsQueueDetails(
-      input.AwsSqsQueue,
-      context
-    );
-  }
-  if (input.Container !== undefined) {
-    bodyParams["Container"] = serializeAws_restJson1_1ContainerDetails(
-      input.Container,
-      context
-    );
-  }
-  if (input.Other !== undefined) {
-    bodyParams["Other"] = serializeAws_restJson1_1FieldMap(
-      input.Other,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.AwsCloudFrontDistribution !== undefined && {
+      AwsCloudFrontDistribution: serializeAws_restJson1_1AwsCloudFrontDistributionDetails(
+        input.AwsCloudFrontDistribution,
+        context
+      )
+    }),
+    ...(input.AwsEc2Instance !== undefined && {
+      AwsEc2Instance: serializeAws_restJson1_1AwsEc2InstanceDetails(
+        input.AwsEc2Instance,
+        context
+      )
+    }),
+    ...(input.AwsElbv2LoadBalancer !== undefined && {
+      AwsElbv2LoadBalancer: serializeAws_restJson1_1AwsElbv2LoadBalancerDetails(
+        input.AwsElbv2LoadBalancer,
+        context
+      )
+    }),
+    ...(input.AwsIamAccessKey !== undefined && {
+      AwsIamAccessKey: serializeAws_restJson1_1AwsIamAccessKeyDetails(
+        input.AwsIamAccessKey,
+        context
+      )
+    }),
+    ...(input.AwsIamRole !== undefined && {
+      AwsIamRole: serializeAws_restJson1_1AwsIamRoleDetails(
+        input.AwsIamRole,
+        context
+      )
+    }),
+    ...(input.AwsKmsKey !== undefined && {
+      AwsKmsKey: serializeAws_restJson1_1AwsKmsKeyDetails(
+        input.AwsKmsKey,
+        context
+      )
+    }),
+    ...(input.AwsLambdaFunction !== undefined && {
+      AwsLambdaFunction: serializeAws_restJson1_1AwsLambdaFunctionDetails(
+        input.AwsLambdaFunction,
+        context
+      )
+    }),
+    ...(input.AwsS3Bucket !== undefined && {
+      AwsS3Bucket: serializeAws_restJson1_1AwsS3BucketDetails(
+        input.AwsS3Bucket,
+        context
+      )
+    }),
+    ...(input.AwsSnsTopic !== undefined && {
+      AwsSnsTopic: serializeAws_restJson1_1AwsSnsTopicDetails(
+        input.AwsSnsTopic,
+        context
+      )
+    }),
+    ...(input.AwsSqsQueue !== undefined && {
+      AwsSqsQueue: serializeAws_restJson1_1AwsSqsQueueDetails(
+        input.AwsSqsQueue,
+        context
+      )
+    }),
+    ...(input.Container !== undefined && {
+      Container: serializeAws_restJson1_1ContainerDetails(
+        input.Container,
+        context
+      )
+    }),
+    ...(input.Other !== undefined && {
+      Other: serializeAws_restJson1_1FieldMap(input.Other, context)
+    })
+  };
 };
 
 const serializeAws_restJson1_1ResourceList = (
@@ -7572,14 +7190,10 @@ const serializeAws_restJson1_1Severity = (
   input: Severity,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Normalized !== undefined) {
-    bodyParams["Normalized"] = input.Normalized;
-  }
-  if (input.Product !== undefined) {
-    bodyParams["Product"] = input.Product;
-  }
-  return bodyParams;
+  return {
+    ...(input.Normalized !== undefined && { Normalized: input.Normalized }),
+    ...(input.Product !== undefined && { Product: input.Product })
+  };
 };
 
 const serializeAws_restJson1_1SortCriteria = (
@@ -7595,14 +7209,10 @@ const serializeAws_restJson1_1SortCriterion = (
   input: SortCriterion,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Field !== undefined) {
-    bodyParams["Field"] = input.Field;
-  }
-  if (input.SortOrder !== undefined) {
-    bodyParams["SortOrder"] = input.SortOrder;
-  }
-  return bodyParams;
+  return {
+    ...(input.Field !== undefined && { Field: input.Field }),
+    ...(input.SortOrder !== undefined && { SortOrder: input.SortOrder })
+  };
 };
 
 const serializeAws_restJson1_1StandardsInputParameterMap = (
@@ -7626,19 +7236,17 @@ const serializeAws_restJson1_1StandardsSubscriptionRequest = (
   input: StandardsSubscriptionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.StandardsArn !== undefined) {
-    bodyParams["StandardsArn"] = input.StandardsArn;
-  }
-  if (input.StandardsInput !== undefined) {
-    bodyParams[
-      "StandardsInput"
-    ] = serializeAws_restJson1_1StandardsInputParameterMap(
-      input.StandardsInput,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.StandardsArn !== undefined && {
+      StandardsArn: input.StandardsArn
+    }),
+    ...(input.StandardsInput !== undefined && {
+      StandardsInput: serializeAws_restJson1_1StandardsInputParameterMap(
+        input.StandardsInput,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1StandardsSubscriptionRequests = (
@@ -7654,14 +7262,10 @@ const serializeAws_restJson1_1StringFilter = (
   input: StringFilter,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Comparison !== undefined) {
-    bodyParams["Comparison"] = input.Comparison;
-  }
-  if (input.Value !== undefined) {
-    bodyParams["Value"] = input.Value;
-  }
-  return bodyParams;
+  return {
+    ...(input.Comparison !== undefined && { Comparison: input.Comparison }),
+    ...(input.Value !== undefined && { Value: input.Value })
+  };
 };
 
 const serializeAws_restJson1_1StringFilterList = (
@@ -7694,26 +7298,16 @@ const serializeAws_restJson1_1ThreatIntelIndicator = (
   input: ThreatIntelIndicator,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Category !== undefined) {
-    bodyParams["Category"] = input.Category;
-  }
-  if (input.LastObservedAt !== undefined) {
-    bodyParams["LastObservedAt"] = input.LastObservedAt;
-  }
-  if (input.Source !== undefined) {
-    bodyParams["Source"] = input.Source;
-  }
-  if (input.SourceUrl !== undefined) {
-    bodyParams["SourceUrl"] = input.SourceUrl;
-  }
-  if (input.Type !== undefined) {
-    bodyParams["Type"] = input.Type;
-  }
-  if (input.Value !== undefined) {
-    bodyParams["Value"] = input.Value;
-  }
-  return bodyParams;
+  return {
+    ...(input.Category !== undefined && { Category: input.Category }),
+    ...(input.LastObservedAt !== undefined && {
+      LastObservedAt: input.LastObservedAt
+    }),
+    ...(input.Source !== undefined && { Source: input.Source }),
+    ...(input.SourceUrl !== undefined && { SourceUrl: input.SourceUrl }),
+    ...(input.Type !== undefined && { Type: input.Type }),
+    ...(input.Value !== undefined && { Value: input.Value })
+  };
 };
 
 const serializeAws_restJson1_1ThreatIntelIndicatorList = (
diff --git a/clients/client-serverlessapplicationrepository/protocols/Aws_restJson1_1.ts b/clients/client-serverlessapplicationrepository/protocols/Aws_restJson1_1.ts
index fe196cd844ea..40c5d8febc6c 100644
--- a/clients/client-serverlessapplicationrepository/protocols/Aws_restJson1_1.ts
+++ b/clients/client-serverlessapplicationrepository/protocols/Aws_restJson1_1.ts
@@ -2522,84 +2522,65 @@ const serializeAws_restJson1_1ApplicationPolicyStatement = (
   input: ApplicationPolicyStatement,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Actions !== undefined) {
-    bodyParams["actions"] = serializeAws_restJson1_1__listOf__string(
-      input.Actions,
-      context
-    );
-  }
-  if (input.Principals !== undefined) {
-    bodyParams["principals"] = serializeAws_restJson1_1__listOf__string(
-      input.Principals,
-      context
-    );
-  }
-  if (input.StatementId !== undefined) {
-    bodyParams["statementId"] = input.StatementId;
-  }
-  return bodyParams;
+  return {
+    ...(input.Actions !== undefined && {
+      actions: serializeAws_restJson1_1__listOf__string(input.Actions, context)
+    }),
+    ...(input.Principals !== undefined && {
+      principals: serializeAws_restJson1_1__listOf__string(
+        input.Principals,
+        context
+      )
+    }),
+    ...(input.StatementId !== undefined && { statementId: input.StatementId })
+  };
 };
 
 const serializeAws_restJson1_1ParameterValue = (
   input: ParameterValue,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Name !== undefined) {
-    bodyParams["name"] = input.Name;
-  }
-  if (input.Value !== undefined) {
-    bodyParams["value"] = input.Value;
-  }
-  return bodyParams;
+  return {
+    ...(input.Name !== undefined && { name: input.Name }),
+    ...(input.Value !== undefined && { value: input.Value })
+  };
 };
 
 const serializeAws_restJson1_1RollbackConfiguration = (
   input: RollbackConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MonitoringTimeInMinutes !== undefined) {
-    bodyParams["monitoringTimeInMinutes"] = input.MonitoringTimeInMinutes;
-  }
-  if (input.RollbackTriggers !== undefined) {
-    bodyParams[
-      "rollbackTriggers"
-    ] = serializeAws_restJson1_1__listOfRollbackTrigger(
-      input.RollbackTriggers,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.MonitoringTimeInMinutes !== undefined && {
+      monitoringTimeInMinutes: input.MonitoringTimeInMinutes
+    }),
+    ...(input.RollbackTriggers !== undefined && {
+      rollbackTriggers: serializeAws_restJson1_1__listOfRollbackTrigger(
+        input.RollbackTriggers,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1RollbackTrigger = (
   input: RollbackTrigger,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Arn !== undefined) {
-    bodyParams["arn"] = input.Arn;
-  }
-  if (input.Type !== undefined) {
-    bodyParams["type"] = input.Type;
-  }
-  return bodyParams;
+  return {
+    ...(input.Arn !== undefined && { arn: input.Arn }),
+    ...(input.Type !== undefined && { type: input.Type })
+  };
 };
 
 const serializeAws_restJson1_1Tag = (
   input: Tag,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Key !== undefined) {
-    bodyParams["key"] = input.Key;
-  }
-  if (input.Value !== undefined) {
-    bodyParams["value"] = input.Value;
-  }
-  return bodyParams;
+  return {
+    ...(input.Key !== undefined && { key: input.Key }),
+    ...(input.Value !== undefined && { value: input.Value })
+  };
 };
 
 const serializeAws_restJson1_1__listOfApplicationPolicyStatement = (
diff --git a/clients/client-service-catalog/protocols/Aws_json1_1.ts b/clients/client-service-catalog/protocols/Aws_json1_1.ts
index 54306877f480..ea2defbcff12 100644
--- a/clients/client-service-catalog/protocols/Aws_json1_1.ts
+++ b/clients/client-service-catalog/protocols/Aws_json1_1.ts
@@ -8455,169 +8455,122 @@ const serializeAws_json1_1AssociateTagOptionWithResourceInput = (
   input: AssociateTagOptionWithResourceInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceId !== undefined) {
-    bodyParams["ResourceId"] = input.ResourceId;
-  }
-  if (input.TagOptionId !== undefined) {
-    bodyParams["TagOptionId"] = input.TagOptionId;
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceId !== undefined && { ResourceId: input.ResourceId }),
+    ...(input.TagOptionId !== undefined && { TagOptionId: input.TagOptionId })
+  };
 };
 
 const serializeAws_json1_1CreateTagOptionInput = (
   input: CreateTagOptionInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Key !== undefined) {
-    bodyParams["Key"] = input.Key;
-  }
-  if (input.Value !== undefined) {
-    bodyParams["Value"] = input.Value;
-  }
-  return bodyParams;
+  return {
+    ...(input.Key !== undefined && { Key: input.Key }),
+    ...(input.Value !== undefined && { Value: input.Value })
+  };
 };
 
 const serializeAws_json1_1DeleteTagOptionInput = (
   input: DeleteTagOptionInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Id !== undefined) {
-    bodyParams["Id"] = input.Id;
-  }
-  return bodyParams;
+  return {
+    ...(input.Id !== undefined && { Id: input.Id })
+  };
 };
 
 const serializeAws_json1_1DescribeTagOptionInput = (
   input: DescribeTagOptionInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Id !== undefined) {
-    bodyParams["Id"] = input.Id;
-  }
-  return bodyParams;
+  return {
+    ...(input.Id !== undefined && { Id: input.Id })
+  };
 };
 
 const serializeAws_json1_1DisassociateTagOptionFromResourceInput = (
   input: DisassociateTagOptionFromResourceInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceId !== undefined) {
-    bodyParams["ResourceId"] = input.ResourceId;
-  }
-  if (input.TagOptionId !== undefined) {
-    bodyParams["TagOptionId"] = input.TagOptionId;
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceId !== undefined && { ResourceId: input.ResourceId }),
+    ...(input.TagOptionId !== undefined && { TagOptionId: input.TagOptionId })
+  };
 };
 
 const serializeAws_json1_1ListResourcesForTagOptionInput = (
   input: ListResourcesForTagOptionInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.PageSize !== undefined) {
-    bodyParams["PageSize"] = input.PageSize;
-  }
-  if (input.PageToken !== undefined) {
-    bodyParams["PageToken"] = input.PageToken;
-  }
-  if (input.ResourceType !== undefined) {
-    bodyParams["ResourceType"] = input.ResourceType;
-  }
-  if (input.TagOptionId !== undefined) {
-    bodyParams["TagOptionId"] = input.TagOptionId;
-  }
-  return bodyParams;
+  return {
+    ...(input.PageSize !== undefined && { PageSize: input.PageSize }),
+    ...(input.PageToken !== undefined && { PageToken: input.PageToken }),
+    ...(input.ResourceType !== undefined && {
+      ResourceType: input.ResourceType
+    }),
+    ...(input.TagOptionId !== undefined && { TagOptionId: input.TagOptionId })
+  };
 };
 
 const serializeAws_json1_1ListTagOptionsFilters = (
   input: ListTagOptionsFilters,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Active !== undefined) {
-    bodyParams["Active"] = input.Active;
-  }
-  if (input.Key !== undefined) {
-    bodyParams["Key"] = input.Key;
-  }
-  if (input.Value !== undefined) {
-    bodyParams["Value"] = input.Value;
-  }
-  return bodyParams;
+  return {
+    ...(input.Active !== undefined && { Active: input.Active }),
+    ...(input.Key !== undefined && { Key: input.Key }),
+    ...(input.Value !== undefined && { Value: input.Value })
+  };
 };
 
 const serializeAws_json1_1ListTagOptionsInput = (
   input: ListTagOptionsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Filters !== undefined) {
-    bodyParams["Filters"] = serializeAws_json1_1ListTagOptionsFilters(
-      input.Filters,
-      context
-    );
-  }
-  if (input.PageSize !== undefined) {
-    bodyParams["PageSize"] = input.PageSize;
-  }
-  if (input.PageToken !== undefined) {
-    bodyParams["PageToken"] = input.PageToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.Filters !== undefined && {
+      Filters: serializeAws_json1_1ListTagOptionsFilters(input.Filters, context)
+    }),
+    ...(input.PageSize !== undefined && { PageSize: input.PageSize }),
+    ...(input.PageToken !== undefined && { PageToken: input.PageToken })
+  };
 };
 
 const serializeAws_json1_1UpdateTagOptionInput = (
   input: UpdateTagOptionInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Active !== undefined) {
-    bodyParams["Active"] = input.Active;
-  }
-  if (input.Id !== undefined) {
-    bodyParams["Id"] = input.Id;
-  }
-  if (input.Value !== undefined) {
-    bodyParams["Value"] = input.Value;
-  }
-  return bodyParams;
+  return {
+    ...(input.Active !== undefined && { Active: input.Active }),
+    ...(input.Id !== undefined && { Id: input.Id }),
+    ...(input.Value !== undefined && { Value: input.Value })
+  };
 };
 
 const serializeAws_json1_1AcceptPortfolioShareInput = (
   input: AcceptPortfolioShareInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AcceptLanguage !== undefined) {
-    bodyParams["AcceptLanguage"] = input.AcceptLanguage;
-  }
-  if (input.PortfolioId !== undefined) {
-    bodyParams["PortfolioId"] = input.PortfolioId;
-  }
-  if (input.PortfolioShareType !== undefined) {
-    bodyParams["PortfolioShareType"] = input.PortfolioShareType;
-  }
-  return bodyParams;
+  return {
+    ...(input.AcceptLanguage !== undefined && {
+      AcceptLanguage: input.AcceptLanguage
+    }),
+    ...(input.PortfolioId !== undefined && { PortfolioId: input.PortfolioId }),
+    ...(input.PortfolioShareType !== undefined && {
+      PortfolioShareType: input.PortfolioShareType
+    })
+  };
 };
 
 const serializeAws_json1_1AccessLevelFilter = (
   input: AccessLevelFilter,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Key !== undefined) {
-    bodyParams["Key"] = input.Key;
-  }
-  if (input.Value !== undefined) {
-    bodyParams["Value"] = input.Value;
-  }
-  return bodyParams;
+  return {
+    ...(input.Key !== undefined && { Key: input.Key }),
+    ...(input.Value !== undefined && { Value: input.Value })
+  };
 };
 
 const serializeAws_json1_1AddTags = (
@@ -8631,112 +8584,96 @@ const serializeAws_json1_1AssociateBudgetWithResourceInput = (
   input: AssociateBudgetWithResourceInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.BudgetName !== undefined) {
-    bodyParams["BudgetName"] = input.BudgetName;
-  }
-  if (input.ResourceId !== undefined) {
-    bodyParams["ResourceId"] = input.ResourceId;
-  }
-  return bodyParams;
+  return {
+    ...(input.BudgetName !== undefined && { BudgetName: input.BudgetName }),
+    ...(input.ResourceId !== undefined && { ResourceId: input.ResourceId })
+  };
 };
 
 const serializeAws_json1_1AssociatePrincipalWithPortfolioInput = (
   input: AssociatePrincipalWithPortfolioInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AcceptLanguage !== undefined) {
-    bodyParams["AcceptLanguage"] = input.AcceptLanguage;
-  }
-  if (input.PortfolioId !== undefined) {
-    bodyParams["PortfolioId"] = input.PortfolioId;
-  }
-  if (input.PrincipalARN !== undefined) {
-    bodyParams["PrincipalARN"] = input.PrincipalARN;
-  }
-  if (input.PrincipalType !== undefined) {
-    bodyParams["PrincipalType"] = input.PrincipalType;
-  }
-  return bodyParams;
+  return {
+    ...(input.AcceptLanguage !== undefined && {
+      AcceptLanguage: input.AcceptLanguage
+    }),
+    ...(input.PortfolioId !== undefined && { PortfolioId: input.PortfolioId }),
+    ...(input.PrincipalARN !== undefined && {
+      PrincipalARN: input.PrincipalARN
+    }),
+    ...(input.PrincipalType !== undefined && {
+      PrincipalType: input.PrincipalType
+    })
+  };
 };
 
 const serializeAws_json1_1AssociateProductWithPortfolioInput = (
   input: AssociateProductWithPortfolioInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AcceptLanguage !== undefined) {
-    bodyParams["AcceptLanguage"] = input.AcceptLanguage;
-  }
-  if (input.PortfolioId !== undefined) {
-    bodyParams["PortfolioId"] = input.PortfolioId;
-  }
-  if (input.ProductId !== undefined) {
-    bodyParams["ProductId"] = input.ProductId;
-  }
-  if (input.SourcePortfolioId !== undefined) {
-    bodyParams["SourcePortfolioId"] = input.SourcePortfolioId;
-  }
-  return bodyParams;
+  return {
+    ...(input.AcceptLanguage !== undefined && {
+      AcceptLanguage: input.AcceptLanguage
+    }),
+    ...(input.PortfolioId !== undefined && { PortfolioId: input.PortfolioId }),
+    ...(input.ProductId !== undefined && { ProductId: input.ProductId }),
+    ...(input.SourcePortfolioId !== undefined && {
+      SourcePortfolioId: input.SourcePortfolioId
+    })
+  };
 };
 
 const serializeAws_json1_1AssociateServiceActionWithProvisioningArtifactInput = (
   input: AssociateServiceActionWithProvisioningArtifactInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AcceptLanguage !== undefined) {
-    bodyParams["AcceptLanguage"] = input.AcceptLanguage;
-  }
-  if (input.ProductId !== undefined) {
-    bodyParams["ProductId"] = input.ProductId;
-  }
-  if (input.ProvisioningArtifactId !== undefined) {
-    bodyParams["ProvisioningArtifactId"] = input.ProvisioningArtifactId;
-  }
-  if (input.ServiceActionId !== undefined) {
-    bodyParams["ServiceActionId"] = input.ServiceActionId;
-  }
-  return bodyParams;
+  return {
+    ...(input.AcceptLanguage !== undefined && {
+      AcceptLanguage: input.AcceptLanguage
+    }),
+    ...(input.ProductId !== undefined && { ProductId: input.ProductId }),
+    ...(input.ProvisioningArtifactId !== undefined && {
+      ProvisioningArtifactId: input.ProvisioningArtifactId
+    }),
+    ...(input.ServiceActionId !== undefined && {
+      ServiceActionId: input.ServiceActionId
+    })
+  };
 };
 
 const serializeAws_json1_1BatchAssociateServiceActionWithProvisioningArtifactInput = (
   input: BatchAssociateServiceActionWithProvisioningArtifactInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AcceptLanguage !== undefined) {
-    bodyParams["AcceptLanguage"] = input.AcceptLanguage;
-  }
-  if (input.ServiceActionAssociations !== undefined) {
-    bodyParams[
-      "ServiceActionAssociations"
-    ] = serializeAws_json1_1ServiceActionAssociations(
-      input.ServiceActionAssociations,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.AcceptLanguage !== undefined && {
+      AcceptLanguage: input.AcceptLanguage
+    }),
+    ...(input.ServiceActionAssociations !== undefined && {
+      ServiceActionAssociations: serializeAws_json1_1ServiceActionAssociations(
+        input.ServiceActionAssociations,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1BatchDisassociateServiceActionFromProvisioningArtifactInput = (
   input: BatchDisassociateServiceActionFromProvisioningArtifactInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AcceptLanguage !== undefined) {
-    bodyParams["AcceptLanguage"] = input.AcceptLanguage;
-  }
-  if (input.ServiceActionAssociations !== undefined) {
-    bodyParams[
-      "ServiceActionAssociations"
-    ] = serializeAws_json1_1ServiceActionAssociations(
-      input.ServiceActionAssociations,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.AcceptLanguage !== undefined && {
+      AcceptLanguage: input.AcceptLanguage
+    }),
+    ...(input.ServiceActionAssociations !== undefined && {
+      ServiceActionAssociations: serializeAws_json1_1ServiceActionAssociations(
+        input.ServiceActionAssociations,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1CopyOptions = (
@@ -8750,754 +8687,588 @@ const serializeAws_json1_1CopyProductInput = (
   input: CopyProductInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AcceptLanguage !== undefined) {
-    bodyParams["AcceptLanguage"] = input.AcceptLanguage;
-  }
-  if (input.CopyOptions !== undefined) {
-    bodyParams["CopyOptions"] = serializeAws_json1_1CopyOptions(
-      input.CopyOptions,
-      context
-    );
-  }
-  if (input.IdempotencyToken === undefined) {
-    input.IdempotencyToken = generateIdempotencyToken();
-  }
-  if (input.IdempotencyToken !== undefined) {
-    bodyParams["IdempotencyToken"] = input.IdempotencyToken;
-  }
-  if (input.SourceProductArn !== undefined) {
-    bodyParams["SourceProductArn"] = input.SourceProductArn;
-  }
-  if (input.SourceProvisioningArtifactIdentifiers !== undefined) {
-    bodyParams[
-      "SourceProvisioningArtifactIdentifiers"
-    ] = serializeAws_json1_1SourceProvisioningArtifactProperties(
-      input.SourceProvisioningArtifactIdentifiers,
-      context
-    );
-  }
-  if (input.TargetProductId !== undefined) {
-    bodyParams["TargetProductId"] = input.TargetProductId;
-  }
-  if (input.TargetProductName !== undefined) {
-    bodyParams["TargetProductName"] = input.TargetProductName;
-  }
-  return bodyParams;
+  return {
+    ...(input.AcceptLanguage !== undefined && {
+      AcceptLanguage: input.AcceptLanguage
+    }),
+    ...(input.CopyOptions !== undefined && {
+      CopyOptions: serializeAws_json1_1CopyOptions(input.CopyOptions, context)
+    }),
+    IdempotencyToken: input.IdempotencyToken ?? generateIdempotencyToken(),
+    ...(input.SourceProductArn !== undefined && {
+      SourceProductArn: input.SourceProductArn
+    }),
+    ...(input.SourceProvisioningArtifactIdentifiers !== undefined && {
+      SourceProvisioningArtifactIdentifiers: serializeAws_json1_1SourceProvisioningArtifactProperties(
+        input.SourceProvisioningArtifactIdentifiers,
+        context
+      )
+    }),
+    ...(input.TargetProductId !== undefined && {
+      TargetProductId: input.TargetProductId
+    }),
+    ...(input.TargetProductName !== undefined && {
+      TargetProductName: input.TargetProductName
+    })
+  };
 };
 
 const serializeAws_json1_1CreateConstraintInput = (
   input: CreateConstraintInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AcceptLanguage !== undefined) {
-    bodyParams["AcceptLanguage"] = input.AcceptLanguage;
-  }
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.IdempotencyToken === undefined) {
-    input.IdempotencyToken = generateIdempotencyToken();
-  }
-  if (input.IdempotencyToken !== undefined) {
-    bodyParams["IdempotencyToken"] = input.IdempotencyToken;
-  }
-  if (input.Parameters !== undefined) {
-    bodyParams["Parameters"] = input.Parameters;
-  }
-  if (input.PortfolioId !== undefined) {
-    bodyParams["PortfolioId"] = input.PortfolioId;
-  }
-  if (input.ProductId !== undefined) {
-    bodyParams["ProductId"] = input.ProductId;
-  }
-  if (input.Type !== undefined) {
-    bodyParams["Type"] = input.Type;
-  }
-  return bodyParams;
+  return {
+    ...(input.AcceptLanguage !== undefined && {
+      AcceptLanguage: input.AcceptLanguage
+    }),
+    ...(input.Description !== undefined && { Description: input.Description }),
+    IdempotencyToken: input.IdempotencyToken ?? generateIdempotencyToken(),
+    ...(input.Parameters !== undefined && { Parameters: input.Parameters }),
+    ...(input.PortfolioId !== undefined && { PortfolioId: input.PortfolioId }),
+    ...(input.ProductId !== undefined && { ProductId: input.ProductId }),
+    ...(input.Type !== undefined && { Type: input.Type })
+  };
 };
 
 const serializeAws_json1_1CreatePortfolioInput = (
   input: CreatePortfolioInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AcceptLanguage !== undefined) {
-    bodyParams["AcceptLanguage"] = input.AcceptLanguage;
-  }
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.DisplayName !== undefined) {
-    bodyParams["DisplayName"] = input.DisplayName;
-  }
-  if (input.IdempotencyToken === undefined) {
-    input.IdempotencyToken = generateIdempotencyToken();
-  }
-  if (input.IdempotencyToken !== undefined) {
-    bodyParams["IdempotencyToken"] = input.IdempotencyToken;
-  }
-  if (input.ProviderName !== undefined) {
-    bodyParams["ProviderName"] = input.ProviderName;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1AddTags(input.Tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.AcceptLanguage !== undefined && {
+      AcceptLanguage: input.AcceptLanguage
+    }),
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.DisplayName !== undefined && { DisplayName: input.DisplayName }),
+    IdempotencyToken: input.IdempotencyToken ?? generateIdempotencyToken(),
+    ...(input.ProviderName !== undefined && {
+      ProviderName: input.ProviderName
+    }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1AddTags(input.Tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1CreatePortfolioShareInput = (
   input: CreatePortfolioShareInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AcceptLanguage !== undefined) {
-    bodyParams["AcceptLanguage"] = input.AcceptLanguage;
-  }
-  if (input.AccountId !== undefined) {
-    bodyParams["AccountId"] = input.AccountId;
-  }
-  if (input.OrganizationNode !== undefined) {
-    bodyParams["OrganizationNode"] = serializeAws_json1_1OrganizationNode(
-      input.OrganizationNode,
-      context
-    );
-  }
-  if (input.PortfolioId !== undefined) {
-    bodyParams["PortfolioId"] = input.PortfolioId;
-  }
-  return bodyParams;
+  return {
+    ...(input.AcceptLanguage !== undefined && {
+      AcceptLanguage: input.AcceptLanguage
+    }),
+    ...(input.AccountId !== undefined && { AccountId: input.AccountId }),
+    ...(input.OrganizationNode !== undefined && {
+      OrganizationNode: serializeAws_json1_1OrganizationNode(
+        input.OrganizationNode,
+        context
+      )
+    }),
+    ...(input.PortfolioId !== undefined && { PortfolioId: input.PortfolioId })
+  };
 };
 
 const serializeAws_json1_1CreateProductInput = (
   input: CreateProductInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AcceptLanguage !== undefined) {
-    bodyParams["AcceptLanguage"] = input.AcceptLanguage;
-  }
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.Distributor !== undefined) {
-    bodyParams["Distributor"] = input.Distributor;
-  }
-  if (input.IdempotencyToken === undefined) {
-    input.IdempotencyToken = generateIdempotencyToken();
-  }
-  if (input.IdempotencyToken !== undefined) {
-    bodyParams["IdempotencyToken"] = input.IdempotencyToken;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.Owner !== undefined) {
-    bodyParams["Owner"] = input.Owner;
-  }
-  if (input.ProductType !== undefined) {
-    bodyParams["ProductType"] = input.ProductType;
-  }
-  if (input.ProvisioningArtifactParameters !== undefined) {
-    bodyParams[
-      "ProvisioningArtifactParameters"
-    ] = serializeAws_json1_1ProvisioningArtifactProperties(
-      input.ProvisioningArtifactParameters,
-      context
-    );
-  }
-  if (input.SupportDescription !== undefined) {
-    bodyParams["SupportDescription"] = input.SupportDescription;
-  }
-  if (input.SupportEmail !== undefined) {
-    bodyParams["SupportEmail"] = input.SupportEmail;
-  }
-  if (input.SupportUrl !== undefined) {
-    bodyParams["SupportUrl"] = input.SupportUrl;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1AddTags(input.Tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.AcceptLanguage !== undefined && {
+      AcceptLanguage: input.AcceptLanguage
+    }),
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.Distributor !== undefined && { Distributor: input.Distributor }),
+    IdempotencyToken: input.IdempotencyToken ?? generateIdempotencyToken(),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.Owner !== undefined && { Owner: input.Owner }),
+    ...(input.ProductType !== undefined && { ProductType: input.ProductType }),
+    ...(input.ProvisioningArtifactParameters !== undefined && {
+      ProvisioningArtifactParameters: serializeAws_json1_1ProvisioningArtifactProperties(
+        input.ProvisioningArtifactParameters,
+        context
+      )
+    }),
+    ...(input.SupportDescription !== undefined && {
+      SupportDescription: input.SupportDescription
+    }),
+    ...(input.SupportEmail !== undefined && {
+      SupportEmail: input.SupportEmail
+    }),
+    ...(input.SupportUrl !== undefined && { SupportUrl: input.SupportUrl }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1AddTags(input.Tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1CreateProvisionedProductPlanInput = (
   input: CreateProvisionedProductPlanInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AcceptLanguage !== undefined) {
-    bodyParams["AcceptLanguage"] = input.AcceptLanguage;
-  }
-  if (input.IdempotencyToken === undefined) {
-    input.IdempotencyToken = generateIdempotencyToken();
-  }
-  if (input.IdempotencyToken !== undefined) {
-    bodyParams["IdempotencyToken"] = input.IdempotencyToken;
-  }
-  if (input.NotificationArns !== undefined) {
-    bodyParams["NotificationArns"] = serializeAws_json1_1NotificationArns(
-      input.NotificationArns,
-      context
-    );
-  }
-  if (input.PathId !== undefined) {
-    bodyParams["PathId"] = input.PathId;
-  }
-  if (input.PlanName !== undefined) {
-    bodyParams["PlanName"] = input.PlanName;
-  }
-  if (input.PlanType !== undefined) {
-    bodyParams["PlanType"] = input.PlanType;
-  }
-  if (input.ProductId !== undefined) {
-    bodyParams["ProductId"] = input.ProductId;
-  }
-  if (input.ProvisionedProductName !== undefined) {
-    bodyParams["ProvisionedProductName"] = input.ProvisionedProductName;
-  }
-  if (input.ProvisioningArtifactId !== undefined) {
-    bodyParams["ProvisioningArtifactId"] = input.ProvisioningArtifactId;
-  }
-  if (input.ProvisioningParameters !== undefined) {
-    bodyParams[
-      "ProvisioningParameters"
-    ] = serializeAws_json1_1UpdateProvisioningParameters(
-      input.ProvisioningParameters,
-      context
-    );
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1Tags(input.Tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.AcceptLanguage !== undefined && {
+      AcceptLanguage: input.AcceptLanguage
+    }),
+    IdempotencyToken: input.IdempotencyToken ?? generateIdempotencyToken(),
+    ...(input.NotificationArns !== undefined && {
+      NotificationArns: serializeAws_json1_1NotificationArns(
+        input.NotificationArns,
+        context
+      )
+    }),
+    ...(input.PathId !== undefined && { PathId: input.PathId }),
+    ...(input.PlanName !== undefined && { PlanName: input.PlanName }),
+    ...(input.PlanType !== undefined && { PlanType: input.PlanType }),
+    ...(input.ProductId !== undefined && { ProductId: input.ProductId }),
+    ...(input.ProvisionedProductName !== undefined && {
+      ProvisionedProductName: input.ProvisionedProductName
+    }),
+    ...(input.ProvisioningArtifactId !== undefined && {
+      ProvisioningArtifactId: input.ProvisioningArtifactId
+    }),
+    ...(input.ProvisioningParameters !== undefined && {
+      ProvisioningParameters: serializeAws_json1_1UpdateProvisioningParameters(
+        input.ProvisioningParameters,
+        context
+      )
+    }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1Tags(input.Tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1CreateProvisioningArtifactInput = (
   input: CreateProvisioningArtifactInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AcceptLanguage !== undefined) {
-    bodyParams["AcceptLanguage"] = input.AcceptLanguage;
-  }
-  if (input.IdempotencyToken === undefined) {
-    input.IdempotencyToken = generateIdempotencyToken();
-  }
-  if (input.IdempotencyToken !== undefined) {
-    bodyParams["IdempotencyToken"] = input.IdempotencyToken;
-  }
-  if (input.Parameters !== undefined) {
-    bodyParams[
-      "Parameters"
-    ] = serializeAws_json1_1ProvisioningArtifactProperties(
-      input.Parameters,
-      context
-    );
-  }
-  if (input.ProductId !== undefined) {
-    bodyParams["ProductId"] = input.ProductId;
-  }
-  return bodyParams;
+  return {
+    ...(input.AcceptLanguage !== undefined && {
+      AcceptLanguage: input.AcceptLanguage
+    }),
+    IdempotencyToken: input.IdempotencyToken ?? generateIdempotencyToken(),
+    ...(input.Parameters !== undefined && {
+      Parameters: serializeAws_json1_1ProvisioningArtifactProperties(
+        input.Parameters,
+        context
+      )
+    }),
+    ...(input.ProductId !== undefined && { ProductId: input.ProductId })
+  };
 };
 
 const serializeAws_json1_1CreateServiceActionInput = (
   input: CreateServiceActionInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AcceptLanguage !== undefined) {
-    bodyParams["AcceptLanguage"] = input.AcceptLanguage;
-  }
-  if (input.Definition !== undefined) {
-    bodyParams["Definition"] = serializeAws_json1_1ServiceActionDefinitionMap(
-      input.Definition,
-      context
-    );
-  }
-  if (input.DefinitionType !== undefined) {
-    bodyParams["DefinitionType"] = input.DefinitionType;
-  }
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.IdempotencyToken === undefined) {
-    input.IdempotencyToken = generateIdempotencyToken();
-  }
-  if (input.IdempotencyToken !== undefined) {
-    bodyParams["IdempotencyToken"] = input.IdempotencyToken;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.AcceptLanguage !== undefined && {
+      AcceptLanguage: input.AcceptLanguage
+    }),
+    ...(input.Definition !== undefined && {
+      Definition: serializeAws_json1_1ServiceActionDefinitionMap(
+        input.Definition,
+        context
+      )
+    }),
+    ...(input.DefinitionType !== undefined && {
+      DefinitionType: input.DefinitionType
+    }),
+    ...(input.Description !== undefined && { Description: input.Description }),
+    IdempotencyToken: input.IdempotencyToken ?? generateIdempotencyToken(),
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1DeleteConstraintInput = (
   input: DeleteConstraintInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AcceptLanguage !== undefined) {
-    bodyParams["AcceptLanguage"] = input.AcceptLanguage;
-  }
-  if (input.Id !== undefined) {
-    bodyParams["Id"] = input.Id;
-  }
-  return bodyParams;
+  return {
+    ...(input.AcceptLanguage !== undefined && {
+      AcceptLanguage: input.AcceptLanguage
+    }),
+    ...(input.Id !== undefined && { Id: input.Id })
+  };
 };
 
 const serializeAws_json1_1DeletePortfolioInput = (
   input: DeletePortfolioInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AcceptLanguage !== undefined) {
-    bodyParams["AcceptLanguage"] = input.AcceptLanguage;
-  }
-  if (input.Id !== undefined) {
-    bodyParams["Id"] = input.Id;
-  }
-  return bodyParams;
+  return {
+    ...(input.AcceptLanguage !== undefined && {
+      AcceptLanguage: input.AcceptLanguage
+    }),
+    ...(input.Id !== undefined && { Id: input.Id })
+  };
 };
 
 const serializeAws_json1_1DeletePortfolioShareInput = (
   input: DeletePortfolioShareInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AcceptLanguage !== undefined) {
-    bodyParams["AcceptLanguage"] = input.AcceptLanguage;
-  }
-  if (input.AccountId !== undefined) {
-    bodyParams["AccountId"] = input.AccountId;
-  }
-  if (input.OrganizationNode !== undefined) {
-    bodyParams["OrganizationNode"] = serializeAws_json1_1OrganizationNode(
-      input.OrganizationNode,
-      context
-    );
-  }
-  if (input.PortfolioId !== undefined) {
-    bodyParams["PortfolioId"] = input.PortfolioId;
-  }
-  return bodyParams;
+  return {
+    ...(input.AcceptLanguage !== undefined && {
+      AcceptLanguage: input.AcceptLanguage
+    }),
+    ...(input.AccountId !== undefined && { AccountId: input.AccountId }),
+    ...(input.OrganizationNode !== undefined && {
+      OrganizationNode: serializeAws_json1_1OrganizationNode(
+        input.OrganizationNode,
+        context
+      )
+    }),
+    ...(input.PortfolioId !== undefined && { PortfolioId: input.PortfolioId })
+  };
 };
 
 const serializeAws_json1_1DeleteProductInput = (
   input: DeleteProductInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AcceptLanguage !== undefined) {
-    bodyParams["AcceptLanguage"] = input.AcceptLanguage;
-  }
-  if (input.Id !== undefined) {
-    bodyParams["Id"] = input.Id;
-  }
-  return bodyParams;
+  return {
+    ...(input.AcceptLanguage !== undefined && {
+      AcceptLanguage: input.AcceptLanguage
+    }),
+    ...(input.Id !== undefined && { Id: input.Id })
+  };
 };
 
 const serializeAws_json1_1DeleteProvisionedProductPlanInput = (
   input: DeleteProvisionedProductPlanInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AcceptLanguage !== undefined) {
-    bodyParams["AcceptLanguage"] = input.AcceptLanguage;
-  }
-  if (input.IgnoreErrors !== undefined) {
-    bodyParams["IgnoreErrors"] = input.IgnoreErrors;
-  }
-  if (input.PlanId !== undefined) {
-    bodyParams["PlanId"] = input.PlanId;
-  }
-  return bodyParams;
+  return {
+    ...(input.AcceptLanguage !== undefined && {
+      AcceptLanguage: input.AcceptLanguage
+    }),
+    ...(input.IgnoreErrors !== undefined && {
+      IgnoreErrors: input.IgnoreErrors
+    }),
+    ...(input.PlanId !== undefined && { PlanId: input.PlanId })
+  };
 };
 
 const serializeAws_json1_1DeleteProvisioningArtifactInput = (
   input: DeleteProvisioningArtifactInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AcceptLanguage !== undefined) {
-    bodyParams["AcceptLanguage"] = input.AcceptLanguage;
-  }
-  if (input.ProductId !== undefined) {
-    bodyParams["ProductId"] = input.ProductId;
-  }
-  if (input.ProvisioningArtifactId !== undefined) {
-    bodyParams["ProvisioningArtifactId"] = input.ProvisioningArtifactId;
-  }
-  return bodyParams;
+  return {
+    ...(input.AcceptLanguage !== undefined && {
+      AcceptLanguage: input.AcceptLanguage
+    }),
+    ...(input.ProductId !== undefined && { ProductId: input.ProductId }),
+    ...(input.ProvisioningArtifactId !== undefined && {
+      ProvisioningArtifactId: input.ProvisioningArtifactId
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteServiceActionInput = (
   input: DeleteServiceActionInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AcceptLanguage !== undefined) {
-    bodyParams["AcceptLanguage"] = input.AcceptLanguage;
-  }
-  if (input.Id !== undefined) {
-    bodyParams["Id"] = input.Id;
-  }
-  return bodyParams;
+  return {
+    ...(input.AcceptLanguage !== undefined && {
+      AcceptLanguage: input.AcceptLanguage
+    }),
+    ...(input.Id !== undefined && { Id: input.Id })
+  };
 };
 
 const serializeAws_json1_1DescribeConstraintInput = (
   input: DescribeConstraintInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AcceptLanguage !== undefined) {
-    bodyParams["AcceptLanguage"] = input.AcceptLanguage;
-  }
-  if (input.Id !== undefined) {
-    bodyParams["Id"] = input.Id;
-  }
-  return bodyParams;
+  return {
+    ...(input.AcceptLanguage !== undefined && {
+      AcceptLanguage: input.AcceptLanguage
+    }),
+    ...(input.Id !== undefined && { Id: input.Id })
+  };
 };
 
 const serializeAws_json1_1DescribeCopyProductStatusInput = (
   input: DescribeCopyProductStatusInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AcceptLanguage !== undefined) {
-    bodyParams["AcceptLanguage"] = input.AcceptLanguage;
-  }
-  if (input.CopyProductToken !== undefined) {
-    bodyParams["CopyProductToken"] = input.CopyProductToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.AcceptLanguage !== undefined && {
+      AcceptLanguage: input.AcceptLanguage
+    }),
+    ...(input.CopyProductToken !== undefined && {
+      CopyProductToken: input.CopyProductToken
+    })
+  };
 };
 
 const serializeAws_json1_1DescribePortfolioInput = (
   input: DescribePortfolioInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AcceptLanguage !== undefined) {
-    bodyParams["AcceptLanguage"] = input.AcceptLanguage;
-  }
-  if (input.Id !== undefined) {
-    bodyParams["Id"] = input.Id;
-  }
-  return bodyParams;
+  return {
+    ...(input.AcceptLanguage !== undefined && {
+      AcceptLanguage: input.AcceptLanguage
+    }),
+    ...(input.Id !== undefined && { Id: input.Id })
+  };
 };
 
 const serializeAws_json1_1DescribePortfolioShareStatusInput = (
   input: DescribePortfolioShareStatusInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.PortfolioShareToken !== undefined) {
-    bodyParams["PortfolioShareToken"] = input.PortfolioShareToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.PortfolioShareToken !== undefined && {
+      PortfolioShareToken: input.PortfolioShareToken
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeProductAsAdminInput = (
   input: DescribeProductAsAdminInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AcceptLanguage !== undefined) {
-    bodyParams["AcceptLanguage"] = input.AcceptLanguage;
-  }
-  if (input.Id !== undefined) {
-    bodyParams["Id"] = input.Id;
-  }
-  return bodyParams;
+  return {
+    ...(input.AcceptLanguage !== undefined && {
+      AcceptLanguage: input.AcceptLanguage
+    }),
+    ...(input.Id !== undefined && { Id: input.Id })
+  };
 };
 
 const serializeAws_json1_1DescribeProductInput = (
   input: DescribeProductInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AcceptLanguage !== undefined) {
-    bodyParams["AcceptLanguage"] = input.AcceptLanguage;
-  }
-  if (input.Id !== undefined) {
-    bodyParams["Id"] = input.Id;
-  }
-  return bodyParams;
+  return {
+    ...(input.AcceptLanguage !== undefined && {
+      AcceptLanguage: input.AcceptLanguage
+    }),
+    ...(input.Id !== undefined && { Id: input.Id })
+  };
 };
 
 const serializeAws_json1_1DescribeProductViewInput = (
   input: DescribeProductViewInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AcceptLanguage !== undefined) {
-    bodyParams["AcceptLanguage"] = input.AcceptLanguage;
-  }
-  if (input.Id !== undefined) {
-    bodyParams["Id"] = input.Id;
-  }
-  return bodyParams;
+  return {
+    ...(input.AcceptLanguage !== undefined && {
+      AcceptLanguage: input.AcceptLanguage
+    }),
+    ...(input.Id !== undefined && { Id: input.Id })
+  };
 };
 
 const serializeAws_json1_1DescribeProvisionedProductInput = (
   input: DescribeProvisionedProductInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AcceptLanguage !== undefined) {
-    bodyParams["AcceptLanguage"] = input.AcceptLanguage;
-  }
-  if (input.Id !== undefined) {
-    bodyParams["Id"] = input.Id;
-  }
-  return bodyParams;
+  return {
+    ...(input.AcceptLanguage !== undefined && {
+      AcceptLanguage: input.AcceptLanguage
+    }),
+    ...(input.Id !== undefined && { Id: input.Id })
+  };
 };
 
 const serializeAws_json1_1DescribeProvisionedProductPlanInput = (
   input: DescribeProvisionedProductPlanInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AcceptLanguage !== undefined) {
-    bodyParams["AcceptLanguage"] = input.AcceptLanguage;
-  }
-  if (input.PageSize !== undefined) {
-    bodyParams["PageSize"] = input.PageSize;
-  }
-  if (input.PageToken !== undefined) {
-    bodyParams["PageToken"] = input.PageToken;
-  }
-  if (input.PlanId !== undefined) {
-    bodyParams["PlanId"] = input.PlanId;
-  }
-  return bodyParams;
+  return {
+    ...(input.AcceptLanguage !== undefined && {
+      AcceptLanguage: input.AcceptLanguage
+    }),
+    ...(input.PageSize !== undefined && { PageSize: input.PageSize }),
+    ...(input.PageToken !== undefined && { PageToken: input.PageToken }),
+    ...(input.PlanId !== undefined && { PlanId: input.PlanId })
+  };
 };
 
 const serializeAws_json1_1DescribeProvisioningArtifactInput = (
   input: DescribeProvisioningArtifactInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AcceptLanguage !== undefined) {
-    bodyParams["AcceptLanguage"] = input.AcceptLanguage;
-  }
-  if (input.ProductId !== undefined) {
-    bodyParams["ProductId"] = input.ProductId;
-  }
-  if (input.ProvisioningArtifactId !== undefined) {
-    bodyParams["ProvisioningArtifactId"] = input.ProvisioningArtifactId;
-  }
-  if (input.Verbose !== undefined) {
-    bodyParams["Verbose"] = input.Verbose;
-  }
-  return bodyParams;
+  return {
+    ...(input.AcceptLanguage !== undefined && {
+      AcceptLanguage: input.AcceptLanguage
+    }),
+    ...(input.ProductId !== undefined && { ProductId: input.ProductId }),
+    ...(input.ProvisioningArtifactId !== undefined && {
+      ProvisioningArtifactId: input.ProvisioningArtifactId
+    }),
+    ...(input.Verbose !== undefined && { Verbose: input.Verbose })
+  };
 };
 
 const serializeAws_json1_1DescribeProvisioningParametersInput = (
   input: DescribeProvisioningParametersInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AcceptLanguage !== undefined) {
-    bodyParams["AcceptLanguage"] = input.AcceptLanguage;
-  }
-  if (input.PathId !== undefined) {
-    bodyParams["PathId"] = input.PathId;
-  }
-  if (input.ProductId !== undefined) {
-    bodyParams["ProductId"] = input.ProductId;
-  }
-  if (input.ProvisioningArtifactId !== undefined) {
-    bodyParams["ProvisioningArtifactId"] = input.ProvisioningArtifactId;
-  }
-  return bodyParams;
+  return {
+    ...(input.AcceptLanguage !== undefined && {
+      AcceptLanguage: input.AcceptLanguage
+    }),
+    ...(input.PathId !== undefined && { PathId: input.PathId }),
+    ...(input.ProductId !== undefined && { ProductId: input.ProductId }),
+    ...(input.ProvisioningArtifactId !== undefined && {
+      ProvisioningArtifactId: input.ProvisioningArtifactId
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeRecordInput = (
   input: DescribeRecordInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AcceptLanguage !== undefined) {
-    bodyParams["AcceptLanguage"] = input.AcceptLanguage;
-  }
-  if (input.Id !== undefined) {
-    bodyParams["Id"] = input.Id;
-  }
-  if (input.PageSize !== undefined) {
-    bodyParams["PageSize"] = input.PageSize;
-  }
-  if (input.PageToken !== undefined) {
-    bodyParams["PageToken"] = input.PageToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.AcceptLanguage !== undefined && {
+      AcceptLanguage: input.AcceptLanguage
+    }),
+    ...(input.Id !== undefined && { Id: input.Id }),
+    ...(input.PageSize !== undefined && { PageSize: input.PageSize }),
+    ...(input.PageToken !== undefined && { PageToken: input.PageToken })
+  };
 };
 
 const serializeAws_json1_1DescribeServiceActionExecutionParametersInput = (
   input: DescribeServiceActionExecutionParametersInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AcceptLanguage !== undefined) {
-    bodyParams["AcceptLanguage"] = input.AcceptLanguage;
-  }
-  if (input.ProvisionedProductId !== undefined) {
-    bodyParams["ProvisionedProductId"] = input.ProvisionedProductId;
-  }
-  if (input.ServiceActionId !== undefined) {
-    bodyParams["ServiceActionId"] = input.ServiceActionId;
-  }
-  return bodyParams;
+  return {
+    ...(input.AcceptLanguage !== undefined && {
+      AcceptLanguage: input.AcceptLanguage
+    }),
+    ...(input.ProvisionedProductId !== undefined && {
+      ProvisionedProductId: input.ProvisionedProductId
+    }),
+    ...(input.ServiceActionId !== undefined && {
+      ServiceActionId: input.ServiceActionId
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeServiceActionInput = (
   input: DescribeServiceActionInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AcceptLanguage !== undefined) {
-    bodyParams["AcceptLanguage"] = input.AcceptLanguage;
-  }
-  if (input.Id !== undefined) {
-    bodyParams["Id"] = input.Id;
-  }
-  return bodyParams;
+  return {
+    ...(input.AcceptLanguage !== undefined && {
+      AcceptLanguage: input.AcceptLanguage
+    }),
+    ...(input.Id !== undefined && { Id: input.Id })
+  };
 };
 
 const serializeAws_json1_1DisableAWSOrganizationsAccessInput = (
   input: DisableAWSOrganizationsAccessInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  return bodyParams;
+  return {};
 };
 
 const serializeAws_json1_1DisassociateBudgetFromResourceInput = (
   input: DisassociateBudgetFromResourceInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.BudgetName !== undefined) {
-    bodyParams["BudgetName"] = input.BudgetName;
-  }
-  if (input.ResourceId !== undefined) {
-    bodyParams["ResourceId"] = input.ResourceId;
-  }
-  return bodyParams;
+  return {
+    ...(input.BudgetName !== undefined && { BudgetName: input.BudgetName }),
+    ...(input.ResourceId !== undefined && { ResourceId: input.ResourceId })
+  };
 };
 
 const serializeAws_json1_1DisassociatePrincipalFromPortfolioInput = (
   input: DisassociatePrincipalFromPortfolioInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AcceptLanguage !== undefined) {
-    bodyParams["AcceptLanguage"] = input.AcceptLanguage;
-  }
-  if (input.PortfolioId !== undefined) {
-    bodyParams["PortfolioId"] = input.PortfolioId;
-  }
-  if (input.PrincipalARN !== undefined) {
-    bodyParams["PrincipalARN"] = input.PrincipalARN;
-  }
-  return bodyParams;
+  return {
+    ...(input.AcceptLanguage !== undefined && {
+      AcceptLanguage: input.AcceptLanguage
+    }),
+    ...(input.PortfolioId !== undefined && { PortfolioId: input.PortfolioId }),
+    ...(input.PrincipalARN !== undefined && {
+      PrincipalARN: input.PrincipalARN
+    })
+  };
 };
 
 const serializeAws_json1_1DisassociateProductFromPortfolioInput = (
   input: DisassociateProductFromPortfolioInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AcceptLanguage !== undefined) {
-    bodyParams["AcceptLanguage"] = input.AcceptLanguage;
-  }
-  if (input.PortfolioId !== undefined) {
-    bodyParams["PortfolioId"] = input.PortfolioId;
-  }
-  if (input.ProductId !== undefined) {
-    bodyParams["ProductId"] = input.ProductId;
-  }
-  return bodyParams;
+  return {
+    ...(input.AcceptLanguage !== undefined && {
+      AcceptLanguage: input.AcceptLanguage
+    }),
+    ...(input.PortfolioId !== undefined && { PortfolioId: input.PortfolioId }),
+    ...(input.ProductId !== undefined && { ProductId: input.ProductId })
+  };
 };
 
 const serializeAws_json1_1DisassociateServiceActionFromProvisioningArtifactInput = (
   input: DisassociateServiceActionFromProvisioningArtifactInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AcceptLanguage !== undefined) {
-    bodyParams["AcceptLanguage"] = input.AcceptLanguage;
-  }
-  if (input.ProductId !== undefined) {
-    bodyParams["ProductId"] = input.ProductId;
-  }
-  if (input.ProvisioningArtifactId !== undefined) {
-    bodyParams["ProvisioningArtifactId"] = input.ProvisioningArtifactId;
-  }
-  if (input.ServiceActionId !== undefined) {
-    bodyParams["ServiceActionId"] = input.ServiceActionId;
-  }
-  return bodyParams;
+  return {
+    ...(input.AcceptLanguage !== undefined && {
+      AcceptLanguage: input.AcceptLanguage
+    }),
+    ...(input.ProductId !== undefined && { ProductId: input.ProductId }),
+    ...(input.ProvisioningArtifactId !== undefined && {
+      ProvisioningArtifactId: input.ProvisioningArtifactId
+    }),
+    ...(input.ServiceActionId !== undefined && {
+      ServiceActionId: input.ServiceActionId
+    })
+  };
 };
 
 const serializeAws_json1_1EnableAWSOrganizationsAccessInput = (
   input: EnableAWSOrganizationsAccessInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  return bodyParams;
+  return {};
 };
 
 const serializeAws_json1_1ExecuteProvisionedProductPlanInput = (
   input: ExecuteProvisionedProductPlanInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AcceptLanguage !== undefined) {
-    bodyParams["AcceptLanguage"] = input.AcceptLanguage;
-  }
-  if (input.IdempotencyToken === undefined) {
-    input.IdempotencyToken = generateIdempotencyToken();
-  }
-  if (input.IdempotencyToken !== undefined) {
-    bodyParams["IdempotencyToken"] = input.IdempotencyToken;
-  }
-  if (input.PlanId !== undefined) {
-    bodyParams["PlanId"] = input.PlanId;
-  }
-  return bodyParams;
+  return {
+    ...(input.AcceptLanguage !== undefined && {
+      AcceptLanguage: input.AcceptLanguage
+    }),
+    IdempotencyToken: input.IdempotencyToken ?? generateIdempotencyToken(),
+    ...(input.PlanId !== undefined && { PlanId: input.PlanId })
+  };
 };
 
 const serializeAws_json1_1ExecuteProvisionedProductServiceActionInput = (
   input: ExecuteProvisionedProductServiceActionInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AcceptLanguage !== undefined) {
-    bodyParams["AcceptLanguage"] = input.AcceptLanguage;
-  }
-  if (input.ExecuteToken === undefined) {
-    input.ExecuteToken = generateIdempotencyToken();
-  }
-  if (input.ExecuteToken !== undefined) {
-    bodyParams["ExecuteToken"] = input.ExecuteToken;
-  }
-  if (input.Parameters !== undefined) {
-    bodyParams["Parameters"] = serializeAws_json1_1ExecutionParameterMap(
-      input.Parameters,
-      context
-    );
-  }
-  if (input.ProvisionedProductId !== undefined) {
-    bodyParams["ProvisionedProductId"] = input.ProvisionedProductId;
-  }
-  if (input.ServiceActionId !== undefined) {
-    bodyParams["ServiceActionId"] = input.ServiceActionId;
-  }
-  return bodyParams;
+  return {
+    ...(input.AcceptLanguage !== undefined && {
+      AcceptLanguage: input.AcceptLanguage
+    }),
+    ExecuteToken: input.ExecuteToken ?? generateIdempotencyToken(),
+    ...(input.Parameters !== undefined && {
+      Parameters: serializeAws_json1_1ExecutionParameterMap(
+        input.Parameters,
+        context
+      )
+    }),
+    ...(input.ProvisionedProductId !== undefined && {
+      ProvisionedProductId: input.ProvisionedProductId
+    }),
+    ...(input.ServiceActionId !== undefined && {
+      ServiceActionId: input.ServiceActionId
+    })
+  };
 };
 
 const serializeAws_json1_1ExecutionParameterMap = (
@@ -9524,350 +9295,267 @@ const serializeAws_json1_1GetAWSOrganizationsAccessStatusInput = (
   input: GetAWSOrganizationsAccessStatusInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  return bodyParams;
+  return {};
 };
 
 const serializeAws_json1_1ListAcceptedPortfolioSharesInput = (
   input: ListAcceptedPortfolioSharesInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AcceptLanguage !== undefined) {
-    bodyParams["AcceptLanguage"] = input.AcceptLanguage;
-  }
-  if (input.PageSize !== undefined) {
-    bodyParams["PageSize"] = input.PageSize;
-  }
-  if (input.PageToken !== undefined) {
-    bodyParams["PageToken"] = input.PageToken;
-  }
-  if (input.PortfolioShareType !== undefined) {
-    bodyParams["PortfolioShareType"] = input.PortfolioShareType;
-  }
-  return bodyParams;
+  return {
+    ...(input.AcceptLanguage !== undefined && {
+      AcceptLanguage: input.AcceptLanguage
+    }),
+    ...(input.PageSize !== undefined && { PageSize: input.PageSize }),
+    ...(input.PageToken !== undefined && { PageToken: input.PageToken }),
+    ...(input.PortfolioShareType !== undefined && {
+      PortfolioShareType: input.PortfolioShareType
+    })
+  };
 };
 
 const serializeAws_json1_1ListBudgetsForResourceInput = (
   input: ListBudgetsForResourceInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AcceptLanguage !== undefined) {
-    bodyParams["AcceptLanguage"] = input.AcceptLanguage;
-  }
-  if (input.PageSize !== undefined) {
-    bodyParams["PageSize"] = input.PageSize;
-  }
-  if (input.PageToken !== undefined) {
-    bodyParams["PageToken"] = input.PageToken;
-  }
-  if (input.ResourceId !== undefined) {
-    bodyParams["ResourceId"] = input.ResourceId;
-  }
-  return bodyParams;
+  return {
+    ...(input.AcceptLanguage !== undefined && {
+      AcceptLanguage: input.AcceptLanguage
+    }),
+    ...(input.PageSize !== undefined && { PageSize: input.PageSize }),
+    ...(input.PageToken !== undefined && { PageToken: input.PageToken }),
+    ...(input.ResourceId !== undefined && { ResourceId: input.ResourceId })
+  };
 };
 
 const serializeAws_json1_1ListConstraintsForPortfolioInput = (
   input: ListConstraintsForPortfolioInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AcceptLanguage !== undefined) {
-    bodyParams["AcceptLanguage"] = input.AcceptLanguage;
-  }
-  if (input.PageSize !== undefined) {
-    bodyParams["PageSize"] = input.PageSize;
-  }
-  if (input.PageToken !== undefined) {
-    bodyParams["PageToken"] = input.PageToken;
-  }
-  if (input.PortfolioId !== undefined) {
-    bodyParams["PortfolioId"] = input.PortfolioId;
-  }
-  if (input.ProductId !== undefined) {
-    bodyParams["ProductId"] = input.ProductId;
-  }
-  return bodyParams;
+  return {
+    ...(input.AcceptLanguage !== undefined && {
+      AcceptLanguage: input.AcceptLanguage
+    }),
+    ...(input.PageSize !== undefined && { PageSize: input.PageSize }),
+    ...(input.PageToken !== undefined && { PageToken: input.PageToken }),
+    ...(input.PortfolioId !== undefined && { PortfolioId: input.PortfolioId }),
+    ...(input.ProductId !== undefined && { ProductId: input.ProductId })
+  };
 };
 
 const serializeAws_json1_1ListLaunchPathsInput = (
-  input: ListLaunchPathsInput,
-  context: __SerdeContext
-): any => {
-  const bodyParams: any = {};
-  if (input.AcceptLanguage !== undefined) {
-    bodyParams["AcceptLanguage"] = input.AcceptLanguage;
-  }
-  if (input.PageSize !== undefined) {
-    bodyParams["PageSize"] = input.PageSize;
-  }
-  if (input.PageToken !== undefined) {
-    bodyParams["PageToken"] = input.PageToken;
-  }
-  if (input.ProductId !== undefined) {
-    bodyParams["ProductId"] = input.ProductId;
-  }
-  return bodyParams;
+  input: ListLaunchPathsInput,
+  context: __SerdeContext
+): any => {
+  return {
+    ...(input.AcceptLanguage !== undefined && {
+      AcceptLanguage: input.AcceptLanguage
+    }),
+    ...(input.PageSize !== undefined && { PageSize: input.PageSize }),
+    ...(input.PageToken !== undefined && { PageToken: input.PageToken }),
+    ...(input.ProductId !== undefined && { ProductId: input.ProductId })
+  };
 };
 
 const serializeAws_json1_1ListOrganizationPortfolioAccessInput = (
   input: ListOrganizationPortfolioAccessInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AcceptLanguage !== undefined) {
-    bodyParams["AcceptLanguage"] = input.AcceptLanguage;
-  }
-  if (input.OrganizationNodeType !== undefined) {
-    bodyParams["OrganizationNodeType"] = input.OrganizationNodeType;
-  }
-  if (input.PageSize !== undefined) {
-    bodyParams["PageSize"] = input.PageSize;
-  }
-  if (input.PageToken !== undefined) {
-    bodyParams["PageToken"] = input.PageToken;
-  }
-  if (input.PortfolioId !== undefined) {
-    bodyParams["PortfolioId"] = input.PortfolioId;
-  }
-  return bodyParams;
+  return {
+    ...(input.AcceptLanguage !== undefined && {
+      AcceptLanguage: input.AcceptLanguage
+    }),
+    ...(input.OrganizationNodeType !== undefined && {
+      OrganizationNodeType: input.OrganizationNodeType
+    }),
+    ...(input.PageSize !== undefined && { PageSize: input.PageSize }),
+    ...(input.PageToken !== undefined && { PageToken: input.PageToken }),
+    ...(input.PortfolioId !== undefined && { PortfolioId: input.PortfolioId })
+  };
 };
 
 const serializeAws_json1_1ListPortfolioAccessInput = (
   input: ListPortfolioAccessInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AcceptLanguage !== undefined) {
-    bodyParams["AcceptLanguage"] = input.AcceptLanguage;
-  }
-  if (input.PortfolioId !== undefined) {
-    bodyParams["PortfolioId"] = input.PortfolioId;
-  }
-  return bodyParams;
+  return {
+    ...(input.AcceptLanguage !== undefined && {
+      AcceptLanguage: input.AcceptLanguage
+    }),
+    ...(input.PortfolioId !== undefined && { PortfolioId: input.PortfolioId })
+  };
 };
 
 const serializeAws_json1_1ListPortfoliosForProductInput = (
   input: ListPortfoliosForProductInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AcceptLanguage !== undefined) {
-    bodyParams["AcceptLanguage"] = input.AcceptLanguage;
-  }
-  if (input.PageSize !== undefined) {
-    bodyParams["PageSize"] = input.PageSize;
-  }
-  if (input.PageToken !== undefined) {
-    bodyParams["PageToken"] = input.PageToken;
-  }
-  if (input.ProductId !== undefined) {
-    bodyParams["ProductId"] = input.ProductId;
-  }
-  return bodyParams;
+  return {
+    ...(input.AcceptLanguage !== undefined && {
+      AcceptLanguage: input.AcceptLanguage
+    }),
+    ...(input.PageSize !== undefined && { PageSize: input.PageSize }),
+    ...(input.PageToken !== undefined && { PageToken: input.PageToken }),
+    ...(input.ProductId !== undefined && { ProductId: input.ProductId })
+  };
 };
 
 const serializeAws_json1_1ListPortfoliosInput = (
   input: ListPortfoliosInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AcceptLanguage !== undefined) {
-    bodyParams["AcceptLanguage"] = input.AcceptLanguage;
-  }
-  if (input.PageSize !== undefined) {
-    bodyParams["PageSize"] = input.PageSize;
-  }
-  if (input.PageToken !== undefined) {
-    bodyParams["PageToken"] = input.PageToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.AcceptLanguage !== undefined && {
+      AcceptLanguage: input.AcceptLanguage
+    }),
+    ...(input.PageSize !== undefined && { PageSize: input.PageSize }),
+    ...(input.PageToken !== undefined && { PageToken: input.PageToken })
+  };
 };
 
 const serializeAws_json1_1ListPrincipalsForPortfolioInput = (
   input: ListPrincipalsForPortfolioInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AcceptLanguage !== undefined) {
-    bodyParams["AcceptLanguage"] = input.AcceptLanguage;
-  }
-  if (input.PageSize !== undefined) {
-    bodyParams["PageSize"] = input.PageSize;
-  }
-  if (input.PageToken !== undefined) {
-    bodyParams["PageToken"] = input.PageToken;
-  }
-  if (input.PortfolioId !== undefined) {
-    bodyParams["PortfolioId"] = input.PortfolioId;
-  }
-  return bodyParams;
+  return {
+    ...(input.AcceptLanguage !== undefined && {
+      AcceptLanguage: input.AcceptLanguage
+    }),
+    ...(input.PageSize !== undefined && { PageSize: input.PageSize }),
+    ...(input.PageToken !== undefined && { PageToken: input.PageToken }),
+    ...(input.PortfolioId !== undefined && { PortfolioId: input.PortfolioId })
+  };
 };
 
 const serializeAws_json1_1ListProvisionedProductPlansInput = (
   input: ListProvisionedProductPlansInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AcceptLanguage !== undefined) {
-    bodyParams["AcceptLanguage"] = input.AcceptLanguage;
-  }
-  if (input.AccessLevelFilter !== undefined) {
-    bodyParams["AccessLevelFilter"] = serializeAws_json1_1AccessLevelFilter(
-      input.AccessLevelFilter,
-      context
-    );
-  }
-  if (input.PageSize !== undefined) {
-    bodyParams["PageSize"] = input.PageSize;
-  }
-  if (input.PageToken !== undefined) {
-    bodyParams["PageToken"] = input.PageToken;
-  }
-  if (input.ProvisionProductId !== undefined) {
-    bodyParams["ProvisionProductId"] = input.ProvisionProductId;
-  }
-  return bodyParams;
+  return {
+    ...(input.AcceptLanguage !== undefined && {
+      AcceptLanguage: input.AcceptLanguage
+    }),
+    ...(input.AccessLevelFilter !== undefined && {
+      AccessLevelFilter: serializeAws_json1_1AccessLevelFilter(
+        input.AccessLevelFilter,
+        context
+      )
+    }),
+    ...(input.PageSize !== undefined && { PageSize: input.PageSize }),
+    ...(input.PageToken !== undefined && { PageToken: input.PageToken }),
+    ...(input.ProvisionProductId !== undefined && {
+      ProvisionProductId: input.ProvisionProductId
+    })
+  };
 };
 
 const serializeAws_json1_1ListProvisioningArtifactsForServiceActionInput = (
   input: ListProvisioningArtifactsForServiceActionInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AcceptLanguage !== undefined) {
-    bodyParams["AcceptLanguage"] = input.AcceptLanguage;
-  }
-  if (input.PageSize !== undefined) {
-    bodyParams["PageSize"] = input.PageSize;
-  }
-  if (input.PageToken !== undefined) {
-    bodyParams["PageToken"] = input.PageToken;
-  }
-  if (input.ServiceActionId !== undefined) {
-    bodyParams["ServiceActionId"] = input.ServiceActionId;
-  }
-  return bodyParams;
+  return {
+    ...(input.AcceptLanguage !== undefined && {
+      AcceptLanguage: input.AcceptLanguage
+    }),
+    ...(input.PageSize !== undefined && { PageSize: input.PageSize }),
+    ...(input.PageToken !== undefined && { PageToken: input.PageToken }),
+    ...(input.ServiceActionId !== undefined && {
+      ServiceActionId: input.ServiceActionId
+    })
+  };
 };
 
 const serializeAws_json1_1ListProvisioningArtifactsInput = (
   input: ListProvisioningArtifactsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AcceptLanguage !== undefined) {
-    bodyParams["AcceptLanguage"] = input.AcceptLanguage;
-  }
-  if (input.ProductId !== undefined) {
-    bodyParams["ProductId"] = input.ProductId;
-  }
-  return bodyParams;
+  return {
+    ...(input.AcceptLanguage !== undefined && {
+      AcceptLanguage: input.AcceptLanguage
+    }),
+    ...(input.ProductId !== undefined && { ProductId: input.ProductId })
+  };
 };
 
 const serializeAws_json1_1ListRecordHistoryInput = (
   input: ListRecordHistoryInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AcceptLanguage !== undefined) {
-    bodyParams["AcceptLanguage"] = input.AcceptLanguage;
-  }
-  if (input.AccessLevelFilter !== undefined) {
-    bodyParams["AccessLevelFilter"] = serializeAws_json1_1AccessLevelFilter(
-      input.AccessLevelFilter,
-      context
-    );
-  }
-  if (input.PageSize !== undefined) {
-    bodyParams["PageSize"] = input.PageSize;
-  }
-  if (input.PageToken !== undefined) {
-    bodyParams["PageToken"] = input.PageToken;
-  }
-  if (input.SearchFilter !== undefined) {
-    bodyParams[
-      "SearchFilter"
-    ] = serializeAws_json1_1ListRecordHistorySearchFilter(
-      input.SearchFilter,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.AcceptLanguage !== undefined && {
+      AcceptLanguage: input.AcceptLanguage
+    }),
+    ...(input.AccessLevelFilter !== undefined && {
+      AccessLevelFilter: serializeAws_json1_1AccessLevelFilter(
+        input.AccessLevelFilter,
+        context
+      )
+    }),
+    ...(input.PageSize !== undefined && { PageSize: input.PageSize }),
+    ...(input.PageToken !== undefined && { PageToken: input.PageToken }),
+    ...(input.SearchFilter !== undefined && {
+      SearchFilter: serializeAws_json1_1ListRecordHistorySearchFilter(
+        input.SearchFilter,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1ListRecordHistorySearchFilter = (
   input: ListRecordHistorySearchFilter,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Key !== undefined) {
-    bodyParams["Key"] = input.Key;
-  }
-  if (input.Value !== undefined) {
-    bodyParams["Value"] = input.Value;
-  }
-  return bodyParams;
+  return {
+    ...(input.Key !== undefined && { Key: input.Key }),
+    ...(input.Value !== undefined && { Value: input.Value })
+  };
 };
 
 const serializeAws_json1_1ListServiceActionsForProvisioningArtifactInput = (
   input: ListServiceActionsForProvisioningArtifactInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AcceptLanguage !== undefined) {
-    bodyParams["AcceptLanguage"] = input.AcceptLanguage;
-  }
-  if (input.PageSize !== undefined) {
-    bodyParams["PageSize"] = input.PageSize;
-  }
-  if (input.PageToken !== undefined) {
-    bodyParams["PageToken"] = input.PageToken;
-  }
-  if (input.ProductId !== undefined) {
-    bodyParams["ProductId"] = input.ProductId;
-  }
-  if (input.ProvisioningArtifactId !== undefined) {
-    bodyParams["ProvisioningArtifactId"] = input.ProvisioningArtifactId;
-  }
-  return bodyParams;
+  return {
+    ...(input.AcceptLanguage !== undefined && {
+      AcceptLanguage: input.AcceptLanguage
+    }),
+    ...(input.PageSize !== undefined && { PageSize: input.PageSize }),
+    ...(input.PageToken !== undefined && { PageToken: input.PageToken }),
+    ...(input.ProductId !== undefined && { ProductId: input.ProductId }),
+    ...(input.ProvisioningArtifactId !== undefined && {
+      ProvisioningArtifactId: input.ProvisioningArtifactId
+    })
+  };
 };
 
 const serializeAws_json1_1ListServiceActionsInput = (
   input: ListServiceActionsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AcceptLanguage !== undefined) {
-    bodyParams["AcceptLanguage"] = input.AcceptLanguage;
-  }
-  if (input.PageSize !== undefined) {
-    bodyParams["PageSize"] = input.PageSize;
-  }
-  if (input.PageToken !== undefined) {
-    bodyParams["PageToken"] = input.PageToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.AcceptLanguage !== undefined && {
+      AcceptLanguage: input.AcceptLanguage
+    }),
+    ...(input.PageSize !== undefined && { PageSize: input.PageSize }),
+    ...(input.PageToken !== undefined && { PageToken: input.PageToken })
+  };
 };
 
 const serializeAws_json1_1ListStackInstancesForProvisionedProductInput = (
   input: ListStackInstancesForProvisionedProductInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AcceptLanguage !== undefined) {
-    bodyParams["AcceptLanguage"] = input.AcceptLanguage;
-  }
-  if (input.PageSize !== undefined) {
-    bodyParams["PageSize"] = input.PageSize;
-  }
-  if (input.PageToken !== undefined) {
-    bodyParams["PageToken"] = input.PageToken;
-  }
-  if (input.ProvisionedProductId !== undefined) {
-    bodyParams["ProvisionedProductId"] = input.ProvisionedProductId;
-  }
-  return bodyParams;
+  return {
+    ...(input.AcceptLanguage !== undefined && {
+      AcceptLanguage: input.AcceptLanguage
+    }),
+    ...(input.PageSize !== undefined && { PageSize: input.PageSize }),
+    ...(input.PageToken !== undefined && { PageToken: input.PageToken }),
+    ...(input.ProvisionedProductId !== undefined && {
+      ProvisionedProductId: input.ProvisionedProductId
+    })
+  };
 };
 
 const serializeAws_json1_1NotificationArns = (
@@ -9881,14 +9569,10 @@ const serializeAws_json1_1OrganizationNode = (
   input: OrganizationNode,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Type !== undefined) {
-    bodyParams["Type"] = input.Type;
-  }
-  if (input.Value !== undefined) {
-    bodyParams["Value"] = input.Value;
-  }
-  return bodyParams;
+  return {
+    ...(input.Type !== undefined && { Type: input.Type }),
+    ...(input.Value !== undefined && { Value: input.Value })
+  };
 };
 
 const serializeAws_json1_1ProductViewFilterValues = (
@@ -9912,54 +9596,41 @@ const serializeAws_json1_1ProvisionProductInput = (
   input: ProvisionProductInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AcceptLanguage !== undefined) {
-    bodyParams["AcceptLanguage"] = input.AcceptLanguage;
-  }
-  if (input.NotificationArns !== undefined) {
-    bodyParams["NotificationArns"] = serializeAws_json1_1NotificationArns(
-      input.NotificationArns,
-      context
-    );
-  }
-  if (input.PathId !== undefined) {
-    bodyParams["PathId"] = input.PathId;
-  }
-  if (input.ProductId !== undefined) {
-    bodyParams["ProductId"] = input.ProductId;
-  }
-  if (input.ProvisionToken === undefined) {
-    input.ProvisionToken = generateIdempotencyToken();
-  }
-  if (input.ProvisionToken !== undefined) {
-    bodyParams["ProvisionToken"] = input.ProvisionToken;
-  }
-  if (input.ProvisionedProductName !== undefined) {
-    bodyParams["ProvisionedProductName"] = input.ProvisionedProductName;
-  }
-  if (input.ProvisioningArtifactId !== undefined) {
-    bodyParams["ProvisioningArtifactId"] = input.ProvisioningArtifactId;
-  }
-  if (input.ProvisioningParameters !== undefined) {
-    bodyParams[
-      "ProvisioningParameters"
-    ] = serializeAws_json1_1ProvisioningParameters(
-      input.ProvisioningParameters,
-      context
-    );
-  }
-  if (input.ProvisioningPreferences !== undefined) {
-    bodyParams[
-      "ProvisioningPreferences"
-    ] = serializeAws_json1_1ProvisioningPreferences(
-      input.ProvisioningPreferences,
-      context
-    );
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1Tags(input.Tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.AcceptLanguage !== undefined && {
+      AcceptLanguage: input.AcceptLanguage
+    }),
+    ...(input.NotificationArns !== undefined && {
+      NotificationArns: serializeAws_json1_1NotificationArns(
+        input.NotificationArns,
+        context
+      )
+    }),
+    ...(input.PathId !== undefined && { PathId: input.PathId }),
+    ...(input.ProductId !== undefined && { ProductId: input.ProductId }),
+    ProvisionToken: input.ProvisionToken ?? generateIdempotencyToken(),
+    ...(input.ProvisionedProductName !== undefined && {
+      ProvisionedProductName: input.ProvisionedProductName
+    }),
+    ...(input.ProvisioningArtifactId !== undefined && {
+      ProvisioningArtifactId: input.ProvisioningArtifactId
+    }),
+    ...(input.ProvisioningParameters !== undefined && {
+      ProvisioningParameters: serializeAws_json1_1ProvisioningParameters(
+        input.ProvisioningParameters,
+        context
+      )
+    }),
+    ...(input.ProvisioningPreferences !== undefined && {
+      ProvisioningPreferences: serializeAws_json1_1ProvisioningPreferences(
+        input.ProvisioningPreferences,
+        context
+      )
+    }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1Tags(input.Tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1ProvisionedProductFilters = (
@@ -10006,40 +9677,27 @@ const serializeAws_json1_1ProvisioningArtifactProperties = (
   input: ProvisioningArtifactProperties,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.DisableTemplateValidation !== undefined) {
-    bodyParams["DisableTemplateValidation"] = input.DisableTemplateValidation;
-  }
-  if (input.Info !== undefined) {
-    bodyParams["Info"] = serializeAws_json1_1ProvisioningArtifactInfo(
-      input.Info,
-      context
-    );
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.Type !== undefined) {
-    bodyParams["Type"] = input.Type;
-  }
-  return bodyParams;
+  return {
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.DisableTemplateValidation !== undefined && {
+      DisableTemplateValidation: input.DisableTemplateValidation
+    }),
+    ...(input.Info !== undefined && {
+      Info: serializeAws_json1_1ProvisioningArtifactInfo(input.Info, context)
+    }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.Type !== undefined && { Type: input.Type })
+  };
 };
 
 const serializeAws_json1_1ProvisioningParameter = (
   input: ProvisioningParameter,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Key !== undefined) {
-    bodyParams["Key"] = input.Key;
-  }
-  if (input.Value !== undefined) {
-    bodyParams["Value"] = input.Value;
-  }
-  return bodyParams;
+  return {
+    ...(input.Key !== undefined && { Key: input.Key }),
+    ...(input.Value !== undefined && { Value: input.Value })
+  };
 };
 
 const serializeAws_json1_1ProvisioningParameters = (
@@ -10055,192 +9713,149 @@ const serializeAws_json1_1ProvisioningPreferences = (
   input: ProvisioningPreferences,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.StackSetAccounts !== undefined) {
-    bodyParams["StackSetAccounts"] = serializeAws_json1_1StackSetAccounts(
-      input.StackSetAccounts,
-      context
-    );
-  }
-  if (input.StackSetFailureToleranceCount !== undefined) {
-    bodyParams["StackSetFailureToleranceCount"] =
-      input.StackSetFailureToleranceCount;
-  }
-  if (input.StackSetFailureTolerancePercentage !== undefined) {
-    bodyParams["StackSetFailureTolerancePercentage"] =
-      input.StackSetFailureTolerancePercentage;
-  }
-  if (input.StackSetMaxConcurrencyCount !== undefined) {
-    bodyParams["StackSetMaxConcurrencyCount"] =
-      input.StackSetMaxConcurrencyCount;
-  }
-  if (input.StackSetMaxConcurrencyPercentage !== undefined) {
-    bodyParams["StackSetMaxConcurrencyPercentage"] =
-      input.StackSetMaxConcurrencyPercentage;
-  }
-  if (input.StackSetRegions !== undefined) {
-    bodyParams["StackSetRegions"] = serializeAws_json1_1StackSetRegions(
-      input.StackSetRegions,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.StackSetAccounts !== undefined && {
+      StackSetAccounts: serializeAws_json1_1StackSetAccounts(
+        input.StackSetAccounts,
+        context
+      )
+    }),
+    ...(input.StackSetFailureToleranceCount !== undefined && {
+      StackSetFailureToleranceCount: input.StackSetFailureToleranceCount
+    }),
+    ...(input.StackSetFailureTolerancePercentage !== undefined && {
+      StackSetFailureTolerancePercentage:
+        input.StackSetFailureTolerancePercentage
+    }),
+    ...(input.StackSetMaxConcurrencyCount !== undefined && {
+      StackSetMaxConcurrencyCount: input.StackSetMaxConcurrencyCount
+    }),
+    ...(input.StackSetMaxConcurrencyPercentage !== undefined && {
+      StackSetMaxConcurrencyPercentage: input.StackSetMaxConcurrencyPercentage
+    }),
+    ...(input.StackSetRegions !== undefined && {
+      StackSetRegions: serializeAws_json1_1StackSetRegions(
+        input.StackSetRegions,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1RejectPortfolioShareInput = (
   input: RejectPortfolioShareInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AcceptLanguage !== undefined) {
-    bodyParams["AcceptLanguage"] = input.AcceptLanguage;
-  }
-  if (input.PortfolioId !== undefined) {
-    bodyParams["PortfolioId"] = input.PortfolioId;
-  }
-  if (input.PortfolioShareType !== undefined) {
-    bodyParams["PortfolioShareType"] = input.PortfolioShareType;
-  }
-  return bodyParams;
+  return {
+    ...(input.AcceptLanguage !== undefined && {
+      AcceptLanguage: input.AcceptLanguage
+    }),
+    ...(input.PortfolioId !== undefined && { PortfolioId: input.PortfolioId }),
+    ...(input.PortfolioShareType !== undefined && {
+      PortfolioShareType: input.PortfolioShareType
+    })
+  };
 };
 
 const serializeAws_json1_1ScanProvisionedProductsInput = (
   input: ScanProvisionedProductsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AcceptLanguage !== undefined) {
-    bodyParams["AcceptLanguage"] = input.AcceptLanguage;
-  }
-  if (input.AccessLevelFilter !== undefined) {
-    bodyParams["AccessLevelFilter"] = serializeAws_json1_1AccessLevelFilter(
-      input.AccessLevelFilter,
-      context
-    );
-  }
-  if (input.PageSize !== undefined) {
-    bodyParams["PageSize"] = input.PageSize;
-  }
-  if (input.PageToken !== undefined) {
-    bodyParams["PageToken"] = input.PageToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.AcceptLanguage !== undefined && {
+      AcceptLanguage: input.AcceptLanguage
+    }),
+    ...(input.AccessLevelFilter !== undefined && {
+      AccessLevelFilter: serializeAws_json1_1AccessLevelFilter(
+        input.AccessLevelFilter,
+        context
+      )
+    }),
+    ...(input.PageSize !== undefined && { PageSize: input.PageSize }),
+    ...(input.PageToken !== undefined && { PageToken: input.PageToken })
+  };
 };
 
 const serializeAws_json1_1SearchProductsAsAdminInput = (
   input: SearchProductsAsAdminInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AcceptLanguage !== undefined) {
-    bodyParams["AcceptLanguage"] = input.AcceptLanguage;
-  }
-  if (input.Filters !== undefined) {
-    bodyParams["Filters"] = serializeAws_json1_1ProductViewFilters(
-      input.Filters,
-      context
-    );
-  }
-  if (input.PageSize !== undefined) {
-    bodyParams["PageSize"] = input.PageSize;
-  }
-  if (input.PageToken !== undefined) {
-    bodyParams["PageToken"] = input.PageToken;
-  }
-  if (input.PortfolioId !== undefined) {
-    bodyParams["PortfolioId"] = input.PortfolioId;
-  }
-  if (input.ProductSource !== undefined) {
-    bodyParams["ProductSource"] = input.ProductSource;
-  }
-  if (input.SortBy !== undefined) {
-    bodyParams["SortBy"] = input.SortBy;
-  }
-  if (input.SortOrder !== undefined) {
-    bodyParams["SortOrder"] = input.SortOrder;
-  }
-  return bodyParams;
+  return {
+    ...(input.AcceptLanguage !== undefined && {
+      AcceptLanguage: input.AcceptLanguage
+    }),
+    ...(input.Filters !== undefined && {
+      Filters: serializeAws_json1_1ProductViewFilters(input.Filters, context)
+    }),
+    ...(input.PageSize !== undefined && { PageSize: input.PageSize }),
+    ...(input.PageToken !== undefined && { PageToken: input.PageToken }),
+    ...(input.PortfolioId !== undefined && { PortfolioId: input.PortfolioId }),
+    ...(input.ProductSource !== undefined && {
+      ProductSource: input.ProductSource
+    }),
+    ...(input.SortBy !== undefined && { SortBy: input.SortBy }),
+    ...(input.SortOrder !== undefined && { SortOrder: input.SortOrder })
+  };
 };
 
 const serializeAws_json1_1SearchProductsInput = (
   input: SearchProductsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AcceptLanguage !== undefined) {
-    bodyParams["AcceptLanguage"] = input.AcceptLanguage;
-  }
-  if (input.Filters !== undefined) {
-    bodyParams["Filters"] = serializeAws_json1_1ProductViewFilters(
-      input.Filters,
-      context
-    );
-  }
-  if (input.PageSize !== undefined) {
-    bodyParams["PageSize"] = input.PageSize;
-  }
-  if (input.PageToken !== undefined) {
-    bodyParams["PageToken"] = input.PageToken;
-  }
-  if (input.SortBy !== undefined) {
-    bodyParams["SortBy"] = input.SortBy;
-  }
-  if (input.SortOrder !== undefined) {
-    bodyParams["SortOrder"] = input.SortOrder;
-  }
-  return bodyParams;
+  return {
+    ...(input.AcceptLanguage !== undefined && {
+      AcceptLanguage: input.AcceptLanguage
+    }),
+    ...(input.Filters !== undefined && {
+      Filters: serializeAws_json1_1ProductViewFilters(input.Filters, context)
+    }),
+    ...(input.PageSize !== undefined && { PageSize: input.PageSize }),
+    ...(input.PageToken !== undefined && { PageToken: input.PageToken }),
+    ...(input.SortBy !== undefined && { SortBy: input.SortBy }),
+    ...(input.SortOrder !== undefined && { SortOrder: input.SortOrder })
+  };
 };
 
 const serializeAws_json1_1SearchProvisionedProductsInput = (
   input: SearchProvisionedProductsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AcceptLanguage !== undefined) {
-    bodyParams["AcceptLanguage"] = input.AcceptLanguage;
-  }
-  if (input.AccessLevelFilter !== undefined) {
-    bodyParams["AccessLevelFilter"] = serializeAws_json1_1AccessLevelFilter(
-      input.AccessLevelFilter,
-      context
-    );
-  }
-  if (input.Filters !== undefined) {
-    bodyParams["Filters"] = serializeAws_json1_1ProvisionedProductFilters(
-      input.Filters,
-      context
-    );
-  }
-  if (input.PageSize !== undefined) {
-    bodyParams["PageSize"] = input.PageSize;
-  }
-  if (input.PageToken !== undefined) {
-    bodyParams["PageToken"] = input.PageToken;
-  }
-  if (input.SortBy !== undefined) {
-    bodyParams["SortBy"] = input.SortBy;
-  }
-  if (input.SortOrder !== undefined) {
-    bodyParams["SortOrder"] = input.SortOrder;
-  }
-  return bodyParams;
+  return {
+    ...(input.AcceptLanguage !== undefined && {
+      AcceptLanguage: input.AcceptLanguage
+    }),
+    ...(input.AccessLevelFilter !== undefined && {
+      AccessLevelFilter: serializeAws_json1_1AccessLevelFilter(
+        input.AccessLevelFilter,
+        context
+      )
+    }),
+    ...(input.Filters !== undefined && {
+      Filters: serializeAws_json1_1ProvisionedProductFilters(
+        input.Filters,
+        context
+      )
+    }),
+    ...(input.PageSize !== undefined && { PageSize: input.PageSize }),
+    ...(input.PageToken !== undefined && { PageToken: input.PageToken }),
+    ...(input.SortBy !== undefined && { SortBy: input.SortBy }),
+    ...(input.SortOrder !== undefined && { SortOrder: input.SortOrder })
+  };
 };
 
 const serializeAws_json1_1ServiceActionAssociation = (
   input: ServiceActionAssociation,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ProductId !== undefined) {
-    bodyParams["ProductId"] = input.ProductId;
-  }
-  if (input.ProvisioningArtifactId !== undefined) {
-    bodyParams["ProvisioningArtifactId"] = input.ProvisioningArtifactId;
-  }
-  if (input.ServiceActionId !== undefined) {
-    bodyParams["ServiceActionId"] = input.ServiceActionId;
-  }
-  return bodyParams;
+  return {
+    ...(input.ProductId !== undefined && { ProductId: input.ProductId }),
+    ...(input.ProvisioningArtifactId !== undefined && {
+      ProvisioningArtifactId: input.ProvisioningArtifactId
+    }),
+    ...(input.ServiceActionId !== undefined && {
+      ServiceActionId: input.ServiceActionId
+    })
+  };
 };
 
 const serializeAws_json1_1ServiceActionAssociations = (
@@ -10296,14 +9911,10 @@ const serializeAws_json1_1StackSetRegions = (
 };
 
 const serializeAws_json1_1Tag = (input: Tag, context: __SerdeContext): any => {
-  const bodyParams: any = {};
-  if (input.Key !== undefined) {
-    bodyParams["Key"] = input.Key;
-  }
-  if (input.Value !== undefined) {
-    bodyParams["Value"] = input.Value;
-  }
-  return bodyParams;
+  return {
+    ...(input.Key !== undefined && { Key: input.Key }),
+    ...(input.Value !== undefined && { Value: input.Value })
+  };
 };
 
 const serializeAws_json1_1TagKeys = (
@@ -10324,247 +9935,178 @@ const serializeAws_json1_1TerminateProvisionedProductInput = (
   input: TerminateProvisionedProductInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AcceptLanguage !== undefined) {
-    bodyParams["AcceptLanguage"] = input.AcceptLanguage;
-  }
-  if (input.IgnoreErrors !== undefined) {
-    bodyParams["IgnoreErrors"] = input.IgnoreErrors;
-  }
-  if (input.ProvisionedProductId !== undefined) {
-    bodyParams["ProvisionedProductId"] = input.ProvisionedProductId;
-  }
-  if (input.ProvisionedProductName !== undefined) {
-    bodyParams["ProvisionedProductName"] = input.ProvisionedProductName;
-  }
-  if (input.TerminateToken === undefined) {
-    input.TerminateToken = generateIdempotencyToken();
-  }
-  if (input.TerminateToken !== undefined) {
-    bodyParams["TerminateToken"] = input.TerminateToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.AcceptLanguage !== undefined && {
+      AcceptLanguage: input.AcceptLanguage
+    }),
+    ...(input.IgnoreErrors !== undefined && {
+      IgnoreErrors: input.IgnoreErrors
+    }),
+    ...(input.ProvisionedProductId !== undefined && {
+      ProvisionedProductId: input.ProvisionedProductId
+    }),
+    ...(input.ProvisionedProductName !== undefined && {
+      ProvisionedProductName: input.ProvisionedProductName
+    }),
+    TerminateToken: input.TerminateToken ?? generateIdempotencyToken()
+  };
 };
 
 const serializeAws_json1_1UpdateConstraintInput = (
   input: UpdateConstraintInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AcceptLanguage !== undefined) {
-    bodyParams["AcceptLanguage"] = input.AcceptLanguage;
-  }
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.Id !== undefined) {
-    bodyParams["Id"] = input.Id;
-  }
-  if (input.Parameters !== undefined) {
-    bodyParams["Parameters"] = input.Parameters;
-  }
-  return bodyParams;
+  return {
+    ...(input.AcceptLanguage !== undefined && {
+      AcceptLanguage: input.AcceptLanguage
+    }),
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.Id !== undefined && { Id: input.Id }),
+    ...(input.Parameters !== undefined && { Parameters: input.Parameters })
+  };
 };
 
 const serializeAws_json1_1UpdatePortfolioInput = (
   input: UpdatePortfolioInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AcceptLanguage !== undefined) {
-    bodyParams["AcceptLanguage"] = input.AcceptLanguage;
-  }
-  if (input.AddTags !== undefined) {
-    bodyParams["AddTags"] = serializeAws_json1_1AddTags(input.AddTags, context);
-  }
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.DisplayName !== undefined) {
-    bodyParams["DisplayName"] = input.DisplayName;
-  }
-  if (input.Id !== undefined) {
-    bodyParams["Id"] = input.Id;
-  }
-  if (input.ProviderName !== undefined) {
-    bodyParams["ProviderName"] = input.ProviderName;
-  }
-  if (input.RemoveTags !== undefined) {
-    bodyParams["RemoveTags"] = serializeAws_json1_1TagKeys(
-      input.RemoveTags,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.AcceptLanguage !== undefined && {
+      AcceptLanguage: input.AcceptLanguage
+    }),
+    ...(input.AddTags !== undefined && {
+      AddTags: serializeAws_json1_1AddTags(input.AddTags, context)
+    }),
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.DisplayName !== undefined && { DisplayName: input.DisplayName }),
+    ...(input.Id !== undefined && { Id: input.Id }),
+    ...(input.ProviderName !== undefined && {
+      ProviderName: input.ProviderName
+    }),
+    ...(input.RemoveTags !== undefined && {
+      RemoveTags: serializeAws_json1_1TagKeys(input.RemoveTags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateProductInput = (
   input: UpdateProductInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AcceptLanguage !== undefined) {
-    bodyParams["AcceptLanguage"] = input.AcceptLanguage;
-  }
-  if (input.AddTags !== undefined) {
-    bodyParams["AddTags"] = serializeAws_json1_1AddTags(input.AddTags, context);
-  }
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.Distributor !== undefined) {
-    bodyParams["Distributor"] = input.Distributor;
-  }
-  if (input.Id !== undefined) {
-    bodyParams["Id"] = input.Id;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.Owner !== undefined) {
-    bodyParams["Owner"] = input.Owner;
-  }
-  if (input.RemoveTags !== undefined) {
-    bodyParams["RemoveTags"] = serializeAws_json1_1TagKeys(
-      input.RemoveTags,
-      context
-    );
-  }
-  if (input.SupportDescription !== undefined) {
-    bodyParams["SupportDescription"] = input.SupportDescription;
-  }
-  if (input.SupportEmail !== undefined) {
-    bodyParams["SupportEmail"] = input.SupportEmail;
-  }
-  if (input.SupportUrl !== undefined) {
-    bodyParams["SupportUrl"] = input.SupportUrl;
-  }
-  return bodyParams;
+  return {
+    ...(input.AcceptLanguage !== undefined && {
+      AcceptLanguage: input.AcceptLanguage
+    }),
+    ...(input.AddTags !== undefined && {
+      AddTags: serializeAws_json1_1AddTags(input.AddTags, context)
+    }),
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.Distributor !== undefined && { Distributor: input.Distributor }),
+    ...(input.Id !== undefined && { Id: input.Id }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.Owner !== undefined && { Owner: input.Owner }),
+    ...(input.RemoveTags !== undefined && {
+      RemoveTags: serializeAws_json1_1TagKeys(input.RemoveTags, context)
+    }),
+    ...(input.SupportDescription !== undefined && {
+      SupportDescription: input.SupportDescription
+    }),
+    ...(input.SupportEmail !== undefined && {
+      SupportEmail: input.SupportEmail
+    }),
+    ...(input.SupportUrl !== undefined && { SupportUrl: input.SupportUrl })
+  };
 };
 
 const serializeAws_json1_1UpdateProvisionedProductInput = (
   input: UpdateProvisionedProductInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AcceptLanguage !== undefined) {
-    bodyParams["AcceptLanguage"] = input.AcceptLanguage;
-  }
-  if (input.PathId !== undefined) {
-    bodyParams["PathId"] = input.PathId;
-  }
-  if (input.ProductId !== undefined) {
-    bodyParams["ProductId"] = input.ProductId;
-  }
-  if (input.ProvisionedProductId !== undefined) {
-    bodyParams["ProvisionedProductId"] = input.ProvisionedProductId;
-  }
-  if (input.ProvisionedProductName !== undefined) {
-    bodyParams["ProvisionedProductName"] = input.ProvisionedProductName;
-  }
-  if (input.ProvisioningArtifactId !== undefined) {
-    bodyParams["ProvisioningArtifactId"] = input.ProvisioningArtifactId;
-  }
-  if (input.ProvisioningParameters !== undefined) {
-    bodyParams[
-      "ProvisioningParameters"
-    ] = serializeAws_json1_1UpdateProvisioningParameters(
-      input.ProvisioningParameters,
-      context
-    );
-  }
-  if (input.ProvisioningPreferences !== undefined) {
-    bodyParams[
-      "ProvisioningPreferences"
-    ] = serializeAws_json1_1UpdateProvisioningPreferences(
-      input.ProvisioningPreferences,
-      context
-    );
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1Tags(input.Tags, context);
-  }
-  if (input.UpdateToken === undefined) {
-    input.UpdateToken = generateIdempotencyToken();
-  }
-  if (input.UpdateToken !== undefined) {
-    bodyParams["UpdateToken"] = input.UpdateToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.AcceptLanguage !== undefined && {
+      AcceptLanguage: input.AcceptLanguage
+    }),
+    ...(input.PathId !== undefined && { PathId: input.PathId }),
+    ...(input.ProductId !== undefined && { ProductId: input.ProductId }),
+    ...(input.ProvisionedProductId !== undefined && {
+      ProvisionedProductId: input.ProvisionedProductId
+    }),
+    ...(input.ProvisionedProductName !== undefined && {
+      ProvisionedProductName: input.ProvisionedProductName
+    }),
+    ...(input.ProvisioningArtifactId !== undefined && {
+      ProvisioningArtifactId: input.ProvisioningArtifactId
+    }),
+    ...(input.ProvisioningParameters !== undefined && {
+      ProvisioningParameters: serializeAws_json1_1UpdateProvisioningParameters(
+        input.ProvisioningParameters,
+        context
+      )
+    }),
+    ...(input.ProvisioningPreferences !== undefined && {
+      ProvisioningPreferences: serializeAws_json1_1UpdateProvisioningPreferences(
+        input.ProvisioningPreferences,
+        context
+      )
+    }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1Tags(input.Tags, context)
+    }),
+    UpdateToken: input.UpdateToken ?? generateIdempotencyToken()
+  };
 };
 
 const serializeAws_json1_1UpdateProvisionedProductPropertiesInput = (
   input: UpdateProvisionedProductPropertiesInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AcceptLanguage !== undefined) {
-    bodyParams["AcceptLanguage"] = input.AcceptLanguage;
-  }
-  if (input.IdempotencyToken === undefined) {
-    input.IdempotencyToken = generateIdempotencyToken();
-  }
-  if (input.IdempotencyToken !== undefined) {
-    bodyParams["IdempotencyToken"] = input.IdempotencyToken;
-  }
-  if (input.ProvisionedProductId !== undefined) {
-    bodyParams["ProvisionedProductId"] = input.ProvisionedProductId;
-  }
-  if (input.ProvisionedProductProperties !== undefined) {
-    bodyParams[
-      "ProvisionedProductProperties"
-    ] = serializeAws_json1_1ProvisionedProductProperties(
-      input.ProvisionedProductProperties,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.AcceptLanguage !== undefined && {
+      AcceptLanguage: input.AcceptLanguage
+    }),
+    IdempotencyToken: input.IdempotencyToken ?? generateIdempotencyToken(),
+    ...(input.ProvisionedProductId !== undefined && {
+      ProvisionedProductId: input.ProvisionedProductId
+    }),
+    ...(input.ProvisionedProductProperties !== undefined && {
+      ProvisionedProductProperties: serializeAws_json1_1ProvisionedProductProperties(
+        input.ProvisionedProductProperties,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateProvisioningArtifactInput = (
   input: UpdateProvisioningArtifactInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AcceptLanguage !== undefined) {
-    bodyParams["AcceptLanguage"] = input.AcceptLanguage;
-  }
-  if (input.Active !== undefined) {
-    bodyParams["Active"] = input.Active;
-  }
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.Guidance !== undefined) {
-    bodyParams["Guidance"] = input.Guidance;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.ProductId !== undefined) {
-    bodyParams["ProductId"] = input.ProductId;
-  }
-  if (input.ProvisioningArtifactId !== undefined) {
-    bodyParams["ProvisioningArtifactId"] = input.ProvisioningArtifactId;
-  }
-  return bodyParams;
+  return {
+    ...(input.AcceptLanguage !== undefined && {
+      AcceptLanguage: input.AcceptLanguage
+    }),
+    ...(input.Active !== undefined && { Active: input.Active }),
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.Guidance !== undefined && { Guidance: input.Guidance }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.ProductId !== undefined && { ProductId: input.ProductId }),
+    ...(input.ProvisioningArtifactId !== undefined && {
+      ProvisioningArtifactId: input.ProvisioningArtifactId
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateProvisioningParameter = (
   input: UpdateProvisioningParameter,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Key !== undefined) {
-    bodyParams["Key"] = input.Key;
-  }
-  if (input.UsePreviousValue !== undefined) {
-    bodyParams["UsePreviousValue"] = input.UsePreviousValue;
-  }
-  if (input.Value !== undefined) {
-    bodyParams["Value"] = input.Value;
-  }
-  return bodyParams;
+  return {
+    ...(input.Key !== undefined && { Key: input.Key }),
+    ...(input.UsePreviousValue !== undefined && {
+      UsePreviousValue: input.UsePreviousValue
+    }),
+    ...(input.Value !== undefined && { Value: input.Value })
+  };
 };
 
 const serializeAws_json1_1UpdateProvisioningParameters = (
@@ -10580,65 +10122,56 @@ const serializeAws_json1_1UpdateProvisioningPreferences = (
   input: UpdateProvisioningPreferences,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.StackSetAccounts !== undefined) {
-    bodyParams["StackSetAccounts"] = serializeAws_json1_1StackSetAccounts(
-      input.StackSetAccounts,
-      context
-    );
-  }
-  if (input.StackSetFailureToleranceCount !== undefined) {
-    bodyParams["StackSetFailureToleranceCount"] =
-      input.StackSetFailureToleranceCount;
-  }
-  if (input.StackSetFailureTolerancePercentage !== undefined) {
-    bodyParams["StackSetFailureTolerancePercentage"] =
-      input.StackSetFailureTolerancePercentage;
-  }
-  if (input.StackSetMaxConcurrencyCount !== undefined) {
-    bodyParams["StackSetMaxConcurrencyCount"] =
-      input.StackSetMaxConcurrencyCount;
-  }
-  if (input.StackSetMaxConcurrencyPercentage !== undefined) {
-    bodyParams["StackSetMaxConcurrencyPercentage"] =
-      input.StackSetMaxConcurrencyPercentage;
-  }
-  if (input.StackSetOperationType !== undefined) {
-    bodyParams["StackSetOperationType"] = input.StackSetOperationType;
-  }
-  if (input.StackSetRegions !== undefined) {
-    bodyParams["StackSetRegions"] = serializeAws_json1_1StackSetRegions(
-      input.StackSetRegions,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.StackSetAccounts !== undefined && {
+      StackSetAccounts: serializeAws_json1_1StackSetAccounts(
+        input.StackSetAccounts,
+        context
+      )
+    }),
+    ...(input.StackSetFailureToleranceCount !== undefined && {
+      StackSetFailureToleranceCount: input.StackSetFailureToleranceCount
+    }),
+    ...(input.StackSetFailureTolerancePercentage !== undefined && {
+      StackSetFailureTolerancePercentage:
+        input.StackSetFailureTolerancePercentage
+    }),
+    ...(input.StackSetMaxConcurrencyCount !== undefined && {
+      StackSetMaxConcurrencyCount: input.StackSetMaxConcurrencyCount
+    }),
+    ...(input.StackSetMaxConcurrencyPercentage !== undefined && {
+      StackSetMaxConcurrencyPercentage: input.StackSetMaxConcurrencyPercentage
+    }),
+    ...(input.StackSetOperationType !== undefined && {
+      StackSetOperationType: input.StackSetOperationType
+    }),
+    ...(input.StackSetRegions !== undefined && {
+      StackSetRegions: serializeAws_json1_1StackSetRegions(
+        input.StackSetRegions,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateServiceActionInput = (
   input: UpdateServiceActionInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AcceptLanguage !== undefined) {
-    bodyParams["AcceptLanguage"] = input.AcceptLanguage;
-  }
-  if (input.Definition !== undefined) {
-    bodyParams["Definition"] = serializeAws_json1_1ServiceActionDefinitionMap(
-      input.Definition,
-      context
-    );
-  }
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.Id !== undefined) {
-    bodyParams["Id"] = input.Id;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.AcceptLanguage !== undefined && {
+      AcceptLanguage: input.AcceptLanguage
+    }),
+    ...(input.Definition !== undefined && {
+      Definition: serializeAws_json1_1ServiceActionDefinitionMap(
+        input.Definition,
+        context
+      )
+    }),
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.Id !== undefined && { Id: input.Id }),
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const deserializeAws_json1_1AssociateTagOptionWithResourceOutput = (
diff --git a/clients/client-service-quotas/protocols/Aws_json1_1.ts b/clients/client-service-quotas/protocols/Aws_json1_1.ts
index 0a20d7750ce2..79d810df0320 100644
--- a/clients/client-service-quotas/protocols/Aws_json1_1.ts
+++ b/clients/client-service-quotas/protocols/Aws_json1_1.ts
@@ -2778,245 +2778,168 @@ const serializeAws_json1_1AssociateServiceQuotaTemplateRequest = (
   input: AssociateServiceQuotaTemplateRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  return bodyParams;
+  return {};
 };
 
 const serializeAws_json1_1DeleteServiceQuotaIncreaseRequestFromTemplateRequest = (
   input: DeleteServiceQuotaIncreaseRequestFromTemplateRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AwsRegion !== undefined) {
-    bodyParams["AwsRegion"] = input.AwsRegion;
-  }
-  if (input.QuotaCode !== undefined) {
-    bodyParams["QuotaCode"] = input.QuotaCode;
-  }
-  if (input.ServiceCode !== undefined) {
-    bodyParams["ServiceCode"] = input.ServiceCode;
-  }
-  return bodyParams;
+  return {
+    ...(input.AwsRegion !== undefined && { AwsRegion: input.AwsRegion }),
+    ...(input.QuotaCode !== undefined && { QuotaCode: input.QuotaCode }),
+    ...(input.ServiceCode !== undefined && { ServiceCode: input.ServiceCode })
+  };
 };
 
 const serializeAws_json1_1DisassociateServiceQuotaTemplateRequest = (
   input: DisassociateServiceQuotaTemplateRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  return bodyParams;
+  return {};
 };
 
 const serializeAws_json1_1GetAWSDefaultServiceQuotaRequest = (
   input: GetAWSDefaultServiceQuotaRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.QuotaCode !== undefined) {
-    bodyParams["QuotaCode"] = input.QuotaCode;
-  }
-  if (input.ServiceCode !== undefined) {
-    bodyParams["ServiceCode"] = input.ServiceCode;
-  }
-  return bodyParams;
+  return {
+    ...(input.QuotaCode !== undefined && { QuotaCode: input.QuotaCode }),
+    ...(input.ServiceCode !== undefined && { ServiceCode: input.ServiceCode })
+  };
 };
 
 const serializeAws_json1_1GetAssociationForServiceQuotaTemplateRequest = (
   input: GetAssociationForServiceQuotaTemplateRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  return bodyParams;
+  return {};
 };
 
 const serializeAws_json1_1GetRequestedServiceQuotaChangeRequest = (
   input: GetRequestedServiceQuotaChangeRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.RequestId !== undefined) {
-    bodyParams["RequestId"] = input.RequestId;
-  }
-  return bodyParams;
+  return {
+    ...(input.RequestId !== undefined && { RequestId: input.RequestId })
+  };
 };
 
 const serializeAws_json1_1GetServiceQuotaIncreaseRequestFromTemplateRequest = (
   input: GetServiceQuotaIncreaseRequestFromTemplateRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AwsRegion !== undefined) {
-    bodyParams["AwsRegion"] = input.AwsRegion;
-  }
-  if (input.QuotaCode !== undefined) {
-    bodyParams["QuotaCode"] = input.QuotaCode;
-  }
-  if (input.ServiceCode !== undefined) {
-    bodyParams["ServiceCode"] = input.ServiceCode;
-  }
-  return bodyParams;
+  return {
+    ...(input.AwsRegion !== undefined && { AwsRegion: input.AwsRegion }),
+    ...(input.QuotaCode !== undefined && { QuotaCode: input.QuotaCode }),
+    ...(input.ServiceCode !== undefined && { ServiceCode: input.ServiceCode })
+  };
 };
 
 const serializeAws_json1_1GetServiceQuotaRequest = (
   input: GetServiceQuotaRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.QuotaCode !== undefined) {
-    bodyParams["QuotaCode"] = input.QuotaCode;
-  }
-  if (input.ServiceCode !== undefined) {
-    bodyParams["ServiceCode"] = input.ServiceCode;
-  }
-  return bodyParams;
+  return {
+    ...(input.QuotaCode !== undefined && { QuotaCode: input.QuotaCode }),
+    ...(input.ServiceCode !== undefined && { ServiceCode: input.ServiceCode })
+  };
 };
 
 const serializeAws_json1_1ListAWSDefaultServiceQuotasRequest = (
   input: ListAWSDefaultServiceQuotasRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.ServiceCode !== undefined) {
-    bodyParams["ServiceCode"] = input.ServiceCode;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.ServiceCode !== undefined && { ServiceCode: input.ServiceCode })
+  };
 };
 
 const serializeAws_json1_1ListRequestedServiceQuotaChangeHistoryByQuotaRequest = (
   input: ListRequestedServiceQuotaChangeHistoryByQuotaRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.QuotaCode !== undefined) {
-    bodyParams["QuotaCode"] = input.QuotaCode;
-  }
-  if (input.ServiceCode !== undefined) {
-    bodyParams["ServiceCode"] = input.ServiceCode;
-  }
-  if (input.Status !== undefined) {
-    bodyParams["Status"] = input.Status;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.QuotaCode !== undefined && { QuotaCode: input.QuotaCode }),
+    ...(input.ServiceCode !== undefined && { ServiceCode: input.ServiceCode }),
+    ...(input.Status !== undefined && { Status: input.Status })
+  };
 };
 
 const serializeAws_json1_1ListRequestedServiceQuotaChangeHistoryRequest = (
   input: ListRequestedServiceQuotaChangeHistoryRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.ServiceCode !== undefined) {
-    bodyParams["ServiceCode"] = input.ServiceCode;
-  }
-  if (input.Status !== undefined) {
-    bodyParams["Status"] = input.Status;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.ServiceCode !== undefined && { ServiceCode: input.ServiceCode }),
+    ...(input.Status !== undefined && { Status: input.Status })
+  };
 };
 
 const serializeAws_json1_1ListServiceQuotaIncreaseRequestsInTemplateRequest = (
   input: ListServiceQuotaIncreaseRequestsInTemplateRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AwsRegion !== undefined) {
-    bodyParams["AwsRegion"] = input.AwsRegion;
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.ServiceCode !== undefined) {
-    bodyParams["ServiceCode"] = input.ServiceCode;
-  }
-  return bodyParams;
+  return {
+    ...(input.AwsRegion !== undefined && { AwsRegion: input.AwsRegion }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.ServiceCode !== undefined && { ServiceCode: input.ServiceCode })
+  };
 };
 
 const serializeAws_json1_1ListServiceQuotasRequest = (
   input: ListServiceQuotasRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.ServiceCode !== undefined) {
-    bodyParams["ServiceCode"] = input.ServiceCode;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.ServiceCode !== undefined && { ServiceCode: input.ServiceCode })
+  };
 };
 
 const serializeAws_json1_1ListServicesRequest = (
   input: ListServicesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1PutServiceQuotaIncreaseRequestIntoTemplateRequest = (
   input: PutServiceQuotaIncreaseRequestIntoTemplateRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AwsRegion !== undefined) {
-    bodyParams["AwsRegion"] = input.AwsRegion;
-  }
-  if (input.DesiredValue !== undefined) {
-    bodyParams["DesiredValue"] = input.DesiredValue;
-  }
-  if (input.QuotaCode !== undefined) {
-    bodyParams["QuotaCode"] = input.QuotaCode;
-  }
-  if (input.ServiceCode !== undefined) {
-    bodyParams["ServiceCode"] = input.ServiceCode;
-  }
-  return bodyParams;
+  return {
+    ...(input.AwsRegion !== undefined && { AwsRegion: input.AwsRegion }),
+    ...(input.DesiredValue !== undefined && {
+      DesiredValue: input.DesiredValue
+    }),
+    ...(input.QuotaCode !== undefined && { QuotaCode: input.QuotaCode }),
+    ...(input.ServiceCode !== undefined && { ServiceCode: input.ServiceCode })
+  };
 };
 
 const serializeAws_json1_1RequestServiceQuotaIncreaseRequest = (
   input: RequestServiceQuotaIncreaseRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DesiredValue !== undefined) {
-    bodyParams["DesiredValue"] = input.DesiredValue;
-  }
-  if (input.QuotaCode !== undefined) {
-    bodyParams["QuotaCode"] = input.QuotaCode;
-  }
-  if (input.ServiceCode !== undefined) {
-    bodyParams["ServiceCode"] = input.ServiceCode;
-  }
-  return bodyParams;
+  return {
+    ...(input.DesiredValue !== undefined && {
+      DesiredValue: input.DesiredValue
+    }),
+    ...(input.QuotaCode !== undefined && { QuotaCode: input.QuotaCode }),
+    ...(input.ServiceCode !== undefined && { ServiceCode: input.ServiceCode })
+  };
 };
 
 const deserializeAws_json1_1AWSServiceAccessNotEnabledException = (
diff --git a/clients/client-servicediscovery/protocols/Aws_json1_1.ts b/clients/client-servicediscovery/protocols/Aws_json1_1.ts
index c46f9f1a3e1f..f5f2290305a0 100644
--- a/clients/client-servicediscovery/protocols/Aws_json1_1.ts
+++ b/clients/client-servicediscovery/protocols/Aws_json1_1.ts
@@ -2342,216 +2342,147 @@ const serializeAws_json1_1CreateHttpNamespaceRequest = (
   input: CreateHttpNamespaceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CreatorRequestId === undefined) {
-    input.CreatorRequestId = generateIdempotencyToken();
-  }
-  if (input.CreatorRequestId !== undefined) {
-    bodyParams["CreatorRequestId"] = input.CreatorRequestId;
-  }
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    CreatorRequestId: input.CreatorRequestId ?? generateIdempotencyToken(),
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1CreatePrivateDnsNamespaceRequest = (
   input: CreatePrivateDnsNamespaceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CreatorRequestId === undefined) {
-    input.CreatorRequestId = generateIdempotencyToken();
-  }
-  if (input.CreatorRequestId !== undefined) {
-    bodyParams["CreatorRequestId"] = input.CreatorRequestId;
-  }
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.Vpc !== undefined) {
-    bodyParams["Vpc"] = input.Vpc;
-  }
-  return bodyParams;
+  return {
+    CreatorRequestId: input.CreatorRequestId ?? generateIdempotencyToken(),
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.Vpc !== undefined && { Vpc: input.Vpc })
+  };
 };
 
 const serializeAws_json1_1CreatePublicDnsNamespaceRequest = (
   input: CreatePublicDnsNamespaceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CreatorRequestId === undefined) {
-    input.CreatorRequestId = generateIdempotencyToken();
-  }
-  if (input.CreatorRequestId !== undefined) {
-    bodyParams["CreatorRequestId"] = input.CreatorRequestId;
-  }
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    CreatorRequestId: input.CreatorRequestId ?? generateIdempotencyToken(),
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1CreateServiceRequest = (
   input: CreateServiceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CreatorRequestId === undefined) {
-    input.CreatorRequestId = generateIdempotencyToken();
-  }
-  if (input.CreatorRequestId !== undefined) {
-    bodyParams["CreatorRequestId"] = input.CreatorRequestId;
-  }
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.DnsConfig !== undefined) {
-    bodyParams["DnsConfig"] = serializeAws_json1_1DnsConfig(
-      input.DnsConfig,
-      context
-    );
-  }
-  if (input.HealthCheckConfig !== undefined) {
-    bodyParams["HealthCheckConfig"] = serializeAws_json1_1HealthCheckConfig(
-      input.HealthCheckConfig,
-      context
-    );
-  }
-  if (input.HealthCheckCustomConfig !== undefined) {
-    bodyParams[
-      "HealthCheckCustomConfig"
-    ] = serializeAws_json1_1HealthCheckCustomConfig(
-      input.HealthCheckCustomConfig,
-      context
-    );
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.NamespaceId !== undefined) {
-    bodyParams["NamespaceId"] = input.NamespaceId;
-  }
-  return bodyParams;
+  return {
+    CreatorRequestId: input.CreatorRequestId ?? generateIdempotencyToken(),
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.DnsConfig !== undefined && {
+      DnsConfig: serializeAws_json1_1DnsConfig(input.DnsConfig, context)
+    }),
+    ...(input.HealthCheckConfig !== undefined && {
+      HealthCheckConfig: serializeAws_json1_1HealthCheckConfig(
+        input.HealthCheckConfig,
+        context
+      )
+    }),
+    ...(input.HealthCheckCustomConfig !== undefined && {
+      HealthCheckCustomConfig: serializeAws_json1_1HealthCheckCustomConfig(
+        input.HealthCheckCustomConfig,
+        context
+      )
+    }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.NamespaceId !== undefined && { NamespaceId: input.NamespaceId })
+  };
 };
 
 const serializeAws_json1_1DeleteNamespaceRequest = (
   input: DeleteNamespaceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Id !== undefined) {
-    bodyParams["Id"] = input.Id;
-  }
-  return bodyParams;
+  return {
+    ...(input.Id !== undefined && { Id: input.Id })
+  };
 };
 
 const serializeAws_json1_1DeleteServiceRequest = (
   input: DeleteServiceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Id !== undefined) {
-    bodyParams["Id"] = input.Id;
-  }
-  return bodyParams;
+  return {
+    ...(input.Id !== undefined && { Id: input.Id })
+  };
 };
 
 const serializeAws_json1_1DeregisterInstanceRequest = (
   input: DeregisterInstanceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.InstanceId !== undefined) {
-    bodyParams["InstanceId"] = input.InstanceId;
-  }
-  if (input.ServiceId !== undefined) {
-    bodyParams["ServiceId"] = input.ServiceId;
-  }
-  return bodyParams;
+  return {
+    ...(input.InstanceId !== undefined && { InstanceId: input.InstanceId }),
+    ...(input.ServiceId !== undefined && { ServiceId: input.ServiceId })
+  };
 };
 
 const serializeAws_json1_1DiscoverInstancesRequest = (
   input: DiscoverInstancesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.HealthStatus !== undefined) {
-    bodyParams["HealthStatus"] = input.HealthStatus;
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NamespaceName !== undefined) {
-    bodyParams["NamespaceName"] = input.NamespaceName;
-  }
-  if (input.QueryParameters !== undefined) {
-    bodyParams["QueryParameters"] = serializeAws_json1_1Attributes(
-      input.QueryParameters,
-      context
-    );
-  }
-  if (input.ServiceName !== undefined) {
-    bodyParams["ServiceName"] = input.ServiceName;
-  }
-  return bodyParams;
+  return {
+    ...(input.HealthStatus !== undefined && {
+      HealthStatus: input.HealthStatus
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NamespaceName !== undefined && {
+      NamespaceName: input.NamespaceName
+    }),
+    ...(input.QueryParameters !== undefined && {
+      QueryParameters: serializeAws_json1_1Attributes(
+        input.QueryParameters,
+        context
+      )
+    }),
+    ...(input.ServiceName !== undefined && { ServiceName: input.ServiceName })
+  };
 };
 
 const serializeAws_json1_1DnsConfig = (
   input: DnsConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DnsRecords !== undefined) {
-    bodyParams["DnsRecords"] = serializeAws_json1_1DnsRecordList(
-      input.DnsRecords,
-      context
-    );
-  }
-  if (input.NamespaceId !== undefined) {
-    bodyParams["NamespaceId"] = input.NamespaceId;
-  }
-  if (input.RoutingPolicy !== undefined) {
-    bodyParams["RoutingPolicy"] = input.RoutingPolicy;
-  }
-  return bodyParams;
+  return {
+    ...(input.DnsRecords !== undefined && {
+      DnsRecords: serializeAws_json1_1DnsRecordList(input.DnsRecords, context)
+    }),
+    ...(input.NamespaceId !== undefined && { NamespaceId: input.NamespaceId }),
+    ...(input.RoutingPolicy !== undefined && {
+      RoutingPolicy: input.RoutingPolicy
+    })
+  };
 };
 
 const serializeAws_json1_1DnsConfigChange = (
   input: DnsConfigChange,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DnsRecords !== undefined) {
-    bodyParams["DnsRecords"] = serializeAws_json1_1DnsRecordList(
-      input.DnsRecords,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.DnsRecords !== undefined && {
+      DnsRecords: serializeAws_json1_1DnsRecordList(input.DnsRecords, context)
+    })
+  };
 };
 
 const serializeAws_json1_1DnsRecord = (
   input: DnsRecord,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.TTL !== undefined) {
-    bodyParams["TTL"] = input.TTL;
-  }
-  if (input.Type !== undefined) {
-    bodyParams["Type"] = input.Type;
-  }
-  return bodyParams;
+  return {
+    ...(input.TTL !== undefined && { TTL: input.TTL }),
+    ...(input.Type !== undefined && { Type: input.Type })
+  };
 };
 
 const serializeAws_json1_1DnsRecordList = (
@@ -2572,98 +2503,77 @@ const serializeAws_json1_1GetInstanceRequest = (
   input: GetInstanceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.InstanceId !== undefined) {
-    bodyParams["InstanceId"] = input.InstanceId;
-  }
-  if (input.ServiceId !== undefined) {
-    bodyParams["ServiceId"] = input.ServiceId;
-  }
-  return bodyParams;
+  return {
+    ...(input.InstanceId !== undefined && { InstanceId: input.InstanceId }),
+    ...(input.ServiceId !== undefined && { ServiceId: input.ServiceId })
+  };
 };
 
 const serializeAws_json1_1GetInstancesHealthStatusRequest = (
   input: GetInstancesHealthStatusRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Instances !== undefined) {
-    bodyParams["Instances"] = serializeAws_json1_1InstanceIdList(
-      input.Instances,
-      context
-    );
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.ServiceId !== undefined) {
-    bodyParams["ServiceId"] = input.ServiceId;
-  }
-  return bodyParams;
+  return {
+    ...(input.Instances !== undefined && {
+      Instances: serializeAws_json1_1InstanceIdList(input.Instances, context)
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.ServiceId !== undefined && { ServiceId: input.ServiceId })
+  };
 };
 
 const serializeAws_json1_1GetNamespaceRequest = (
   input: GetNamespaceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Id !== undefined) {
-    bodyParams["Id"] = input.Id;
-  }
-  return bodyParams;
+  return {
+    ...(input.Id !== undefined && { Id: input.Id })
+  };
 };
 
 const serializeAws_json1_1GetOperationRequest = (
   input: GetOperationRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.OperationId !== undefined) {
-    bodyParams["OperationId"] = input.OperationId;
-  }
-  return bodyParams;
+  return {
+    ...(input.OperationId !== undefined && { OperationId: input.OperationId })
+  };
 };
 
 const serializeAws_json1_1GetServiceRequest = (
   input: GetServiceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Id !== undefined) {
-    bodyParams["Id"] = input.Id;
-  }
-  return bodyParams;
+  return {
+    ...(input.Id !== undefined && { Id: input.Id })
+  };
 };
 
 const serializeAws_json1_1HealthCheckConfig = (
   input: HealthCheckConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.FailureThreshold !== undefined) {
-    bodyParams["FailureThreshold"] = input.FailureThreshold;
-  }
-  if (input.ResourcePath !== undefined) {
-    bodyParams["ResourcePath"] = input.ResourcePath;
-  }
-  if (input.Type !== undefined) {
-    bodyParams["Type"] = input.Type;
-  }
-  return bodyParams;
+  return {
+    ...(input.FailureThreshold !== undefined && {
+      FailureThreshold: input.FailureThreshold
+    }),
+    ...(input.ResourcePath !== undefined && {
+      ResourcePath: input.ResourcePath
+    }),
+    ...(input.Type !== undefined && { Type: input.Type })
+  };
 };
 
 const serializeAws_json1_1HealthCheckCustomConfig = (
   input: HealthCheckCustomConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.FailureThreshold !== undefined) {
-    bodyParams["FailureThreshold"] = input.FailureThreshold;
-  }
-  return bodyParams;
+  return {
+    ...(input.FailureThreshold !== undefined && {
+      FailureThreshold: input.FailureThreshold
+    })
+  };
 };
 
 const serializeAws_json1_1InstanceIdList = (
@@ -2677,97 +2587,63 @@ const serializeAws_json1_1ListInstancesRequest = (
   input: ListInstancesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.ServiceId !== undefined) {
-    bodyParams["ServiceId"] = input.ServiceId;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.ServiceId !== undefined && { ServiceId: input.ServiceId })
+  };
 };
 
 const serializeAws_json1_1ListNamespacesRequest = (
   input: ListNamespacesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Filters !== undefined) {
-    bodyParams["Filters"] = serializeAws_json1_1NamespaceFilters(
-      input.Filters,
-      context
-    );
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.Filters !== undefined && {
+      Filters: serializeAws_json1_1NamespaceFilters(input.Filters, context)
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1ListOperationsRequest = (
   input: ListOperationsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Filters !== undefined) {
-    bodyParams["Filters"] = serializeAws_json1_1OperationFilters(
-      input.Filters,
-      context
-    );
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.Filters !== undefined && {
+      Filters: serializeAws_json1_1OperationFilters(input.Filters, context)
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1ListServicesRequest = (
   input: ListServicesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Filters !== undefined) {
-    bodyParams["Filters"] = serializeAws_json1_1ServiceFilters(
-      input.Filters,
-      context
-    );
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.Filters !== undefined && {
+      Filters: serializeAws_json1_1ServiceFilters(input.Filters, context)
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1NamespaceFilter = (
   input: NamespaceFilter,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Condition !== undefined) {
-    bodyParams["Condition"] = input.Condition;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.Values !== undefined) {
-    bodyParams["Values"] = serializeAws_json1_1FilterValues(
-      input.Values,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Condition !== undefined && { Condition: input.Condition }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.Values !== undefined && {
+      Values: serializeAws_json1_1FilterValues(input.Values, context)
+    })
+  };
 };
 
 const serializeAws_json1_1NamespaceFilters = (
@@ -2783,20 +2659,13 @@ const serializeAws_json1_1OperationFilter = (
   input: OperationFilter,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Condition !== undefined) {
-    bodyParams["Condition"] = input.Condition;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.Values !== undefined) {
-    bodyParams["Values"] = serializeAws_json1_1FilterValues(
-      input.Values,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Condition !== undefined && { Condition: input.Condition }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.Values !== undefined && {
+      Values: serializeAws_json1_1FilterValues(input.Values, context)
+    })
+  };
 };
 
 const serializeAws_json1_1OperationFilters = (
@@ -2812,69 +2681,45 @@ const serializeAws_json1_1RegisterInstanceRequest = (
   input: RegisterInstanceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Attributes !== undefined) {
-    bodyParams["Attributes"] = serializeAws_json1_1Attributes(
-      input.Attributes,
-      context
-    );
-  }
-  if (input.CreatorRequestId === undefined) {
-    input.CreatorRequestId = generateIdempotencyToken();
-  }
-  if (input.CreatorRequestId !== undefined) {
-    bodyParams["CreatorRequestId"] = input.CreatorRequestId;
-  }
-  if (input.InstanceId !== undefined) {
-    bodyParams["InstanceId"] = input.InstanceId;
-  }
-  if (input.ServiceId !== undefined) {
-    bodyParams["ServiceId"] = input.ServiceId;
-  }
-  return bodyParams;
+  return {
+    ...(input.Attributes !== undefined && {
+      Attributes: serializeAws_json1_1Attributes(input.Attributes, context)
+    }),
+    CreatorRequestId: input.CreatorRequestId ?? generateIdempotencyToken(),
+    ...(input.InstanceId !== undefined && { InstanceId: input.InstanceId }),
+    ...(input.ServiceId !== undefined && { ServiceId: input.ServiceId })
+  };
 };
 
 const serializeAws_json1_1ServiceChange = (
   input: ServiceChange,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.DnsConfig !== undefined) {
-    bodyParams["DnsConfig"] = serializeAws_json1_1DnsConfigChange(
-      input.DnsConfig,
-      context
-    );
-  }
-  if (input.HealthCheckConfig !== undefined) {
-    bodyParams["HealthCheckConfig"] = serializeAws_json1_1HealthCheckConfig(
-      input.HealthCheckConfig,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.DnsConfig !== undefined && {
+      DnsConfig: serializeAws_json1_1DnsConfigChange(input.DnsConfig, context)
+    }),
+    ...(input.HealthCheckConfig !== undefined && {
+      HealthCheckConfig: serializeAws_json1_1HealthCheckConfig(
+        input.HealthCheckConfig,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1ServiceFilter = (
   input: ServiceFilter,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Condition !== undefined) {
-    bodyParams["Condition"] = input.Condition;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.Values !== undefined) {
-    bodyParams["Values"] = serializeAws_json1_1FilterValues(
-      input.Values,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Condition !== undefined && { Condition: input.Condition }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.Values !== undefined && {
+      Values: serializeAws_json1_1FilterValues(input.Values, context)
+    })
+  };
 };
 
 const serializeAws_json1_1ServiceFilters = (
@@ -2888,34 +2733,23 @@ const serializeAws_json1_1UpdateInstanceCustomHealthStatusRequest = (
   input: UpdateInstanceCustomHealthStatusRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.InstanceId !== undefined) {
-    bodyParams["InstanceId"] = input.InstanceId;
-  }
-  if (input.ServiceId !== undefined) {
-    bodyParams["ServiceId"] = input.ServiceId;
-  }
-  if (input.Status !== undefined) {
-    bodyParams["Status"] = input.Status;
-  }
-  return bodyParams;
+  return {
+    ...(input.InstanceId !== undefined && { InstanceId: input.InstanceId }),
+    ...(input.ServiceId !== undefined && { ServiceId: input.ServiceId }),
+    ...(input.Status !== undefined && { Status: input.Status })
+  };
 };
 
 const serializeAws_json1_1UpdateServiceRequest = (
   input: UpdateServiceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Id !== undefined) {
-    bodyParams["Id"] = input.Id;
-  }
-  if (input.Service !== undefined) {
-    bodyParams["Service"] = serializeAws_json1_1ServiceChange(
-      input.Service,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Id !== undefined && { Id: input.Id }),
+    ...(input.Service !== undefined && {
+      Service: serializeAws_json1_1ServiceChange(input.Service, context)
+    })
+  };
 };
 
 const deserializeAws_json1_1Attributes = (
diff --git a/clients/client-sesv2/protocols/Aws_restJson1_1.ts b/clients/client-sesv2/protocols/Aws_restJson1_1.ts
index e6cf3c6daafd..e2b000dc32a6 100644
--- a/clients/client-sesv2/protocols/Aws_restJson1_1.ts
+++ b/clients/client-sesv2/protocols/Aws_restJson1_1.ts
@@ -6776,30 +6776,24 @@ const serializeAws_restJson1_1SuppressionOptions = (
   input: SuppressionOptions,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.SuppressedReasons !== undefined) {
-    bodyParams[
-      "SuppressedReasons"
-    ] = serializeAws_restJson1_1SuppressionListReasons(
-      input.SuppressedReasons,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.SuppressedReasons !== undefined && {
+      SuppressedReasons: serializeAws_restJson1_1SuppressionListReasons(
+        input.SuppressedReasons,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1Tag = (
   input: Tag,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Key !== undefined) {
-    bodyParams["Key"] = input.Key;
-  }
-  if (input.Value !== undefined) {
-    bodyParams["Value"] = input.Value;
-  }
-  return bodyParams;
+  return {
+    ...(input.Key !== undefined && { Key: input.Key }),
+    ...(input.Value !== undefined && { Value: input.Value })
+  };
 };
 
 const serializeAws_restJson1_1TagList = (
@@ -6813,47 +6807,45 @@ const serializeAws_restJson1_1Body = (
   input: Body,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Html !== undefined) {
-    bodyParams["Html"] = serializeAws_restJson1_1Content(input.Html, context);
-  }
-  if (input.Text !== undefined) {
-    bodyParams["Text"] = serializeAws_restJson1_1Content(input.Text, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.Html !== undefined && {
+      Html: serializeAws_restJson1_1Content(input.Html, context)
+    }),
+    ...(input.Text !== undefined && {
+      Text: serializeAws_restJson1_1Content(input.Text, context)
+    })
+  };
 };
 
 const serializeAws_restJson1_1CloudWatchDestination = (
   input: CloudWatchDestination,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DimensionConfigurations !== undefined) {
-    bodyParams[
-      "DimensionConfigurations"
-    ] = serializeAws_restJson1_1CloudWatchDimensionConfigurations(
-      input.DimensionConfigurations,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.DimensionConfigurations !== undefined && {
+      DimensionConfigurations: serializeAws_restJson1_1CloudWatchDimensionConfigurations(
+        input.DimensionConfigurations,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1CloudWatchDimensionConfiguration = (
   input: CloudWatchDimensionConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DefaultDimensionValue !== undefined) {
-    bodyParams["DefaultDimensionValue"] = input.DefaultDimensionValue;
-  }
-  if (input.DimensionName !== undefined) {
-    bodyParams["DimensionName"] = input.DimensionName;
-  }
-  if (input.DimensionValueSource !== undefined) {
-    bodyParams["DimensionValueSource"] = input.DimensionValueSource;
-  }
-  return bodyParams;
+  return {
+    ...(input.DefaultDimensionValue !== undefined && {
+      DefaultDimensionValue: input.DefaultDimensionValue
+    }),
+    ...(input.DimensionName !== undefined && {
+      DimensionName: input.DimensionName
+    }),
+    ...(input.DimensionValueSource !== undefined && {
+      DimensionValueSource: input.DimensionValueSource
+    })
+  };
 };
 
 const serializeAws_restJson1_1CloudWatchDimensionConfigurations = (
@@ -6869,92 +6861,82 @@ const serializeAws_restJson1_1Content = (
   input: Content,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Charset !== undefined) {
-    bodyParams["Charset"] = input.Charset;
-  }
-  if (input.Data !== undefined) {
-    bodyParams["Data"] = input.Data;
-  }
-  return bodyParams;
+  return {
+    ...(input.Charset !== undefined && { Charset: input.Charset }),
+    ...(input.Data !== undefined && { Data: input.Data })
+  };
 };
 
 const serializeAws_restJson1_1DeliveryOptions = (
   input: DeliveryOptions,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.SendingPoolName !== undefined) {
-    bodyParams["SendingPoolName"] = input.SendingPoolName;
-  }
-  if (input.TlsPolicy !== undefined) {
-    bodyParams["TlsPolicy"] = input.TlsPolicy;
-  }
-  return bodyParams;
+  return {
+    ...(input.SendingPoolName !== undefined && {
+      SendingPoolName: input.SendingPoolName
+    }),
+    ...(input.TlsPolicy !== undefined && { TlsPolicy: input.TlsPolicy })
+  };
 };
 
 const serializeAws_restJson1_1Destination = (
   input: Destination,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.BccAddresses !== undefined) {
-    bodyParams["BccAddresses"] = serializeAws_restJson1_1EmailAddressList(
-      input.BccAddresses,
-      context
-    );
-  }
-  if (input.CcAddresses !== undefined) {
-    bodyParams["CcAddresses"] = serializeAws_restJson1_1EmailAddressList(
-      input.CcAddresses,
-      context
-    );
-  }
-  if (input.ToAddresses !== undefined) {
-    bodyParams["ToAddresses"] = serializeAws_restJson1_1EmailAddressList(
-      input.ToAddresses,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.BccAddresses !== undefined && {
+      BccAddresses: serializeAws_restJson1_1EmailAddressList(
+        input.BccAddresses,
+        context
+      )
+    }),
+    ...(input.CcAddresses !== undefined && {
+      CcAddresses: serializeAws_restJson1_1EmailAddressList(
+        input.CcAddresses,
+        context
+      )
+    }),
+    ...(input.ToAddresses !== undefined && {
+      ToAddresses: serializeAws_restJson1_1EmailAddressList(
+        input.ToAddresses,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1DkimSigningAttributes = (
   input: DkimSigningAttributes,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DomainSigningPrivateKey !== undefined) {
-    bodyParams["DomainSigningPrivateKey"] = input.DomainSigningPrivateKey;
-  }
-  if (input.DomainSigningSelector !== undefined) {
-    bodyParams["DomainSigningSelector"] = input.DomainSigningSelector;
-  }
-  return bodyParams;
+  return {
+    ...(input.DomainSigningPrivateKey !== undefined && {
+      DomainSigningPrivateKey: input.DomainSigningPrivateKey
+    }),
+    ...(input.DomainSigningSelector !== undefined && {
+      DomainSigningSelector: input.DomainSigningSelector
+    })
+  };
 };
 
 const serializeAws_restJson1_1DomainDeliverabilityTrackingOption = (
   input: DomainDeliverabilityTrackingOption,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Domain !== undefined) {
-    bodyParams["Domain"] = input.Domain;
-  }
-  if (input.InboxPlacementTrackingOption !== undefined) {
-    bodyParams[
-      "InboxPlacementTrackingOption"
-    ] = serializeAws_restJson1_1InboxPlacementTrackingOption(
-      input.InboxPlacementTrackingOption,
-      context
-    );
-  }
-  if (input.SubscriptionStartDate !== undefined) {
-    bodyParams["SubscriptionStartDate"] = Math.round(
-      input.SubscriptionStartDate.getTime() / 1000
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Domain !== undefined && { Domain: input.Domain }),
+    ...(input.InboxPlacementTrackingOption !== undefined && {
+      InboxPlacementTrackingOption: serializeAws_restJson1_1InboxPlacementTrackingOption(
+        input.InboxPlacementTrackingOption,
+        context
+      )
+    }),
+    ...(input.SubscriptionStartDate !== undefined && {
+      SubscriptionStartDate: Math.round(
+        input.SubscriptionStartDate.getTime() / 1000
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1DomainDeliverabilityTrackingOptions = (
@@ -6977,70 +6959,56 @@ const serializeAws_restJson1_1EmailContent = (
   input: EmailContent,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Raw !== undefined) {
-    bodyParams["Raw"] = serializeAws_restJson1_1RawMessage(input.Raw, context);
-  }
-  if (input.Simple !== undefined) {
-    bodyParams["Simple"] = serializeAws_restJson1_1Message(
-      input.Simple,
-      context
-    );
-  }
-  if (input.Template !== undefined) {
-    bodyParams["Template"] = serializeAws_restJson1_1Template(
-      input.Template,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Raw !== undefined && {
+      Raw: serializeAws_restJson1_1RawMessage(input.Raw, context)
+    }),
+    ...(input.Simple !== undefined && {
+      Simple: serializeAws_restJson1_1Message(input.Simple, context)
+    }),
+    ...(input.Template !== undefined && {
+      Template: serializeAws_restJson1_1Template(input.Template, context)
+    })
+  };
 };
 
 const serializeAws_restJson1_1EventDestinationDefinition = (
   input: EventDestinationDefinition,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CloudWatchDestination !== undefined) {
-    bodyParams[
-      "CloudWatchDestination"
-    ] = serializeAws_restJson1_1CloudWatchDestination(
-      input.CloudWatchDestination,
-      context
-    );
-  }
-  if (input.Enabled !== undefined) {
-    bodyParams["Enabled"] = input.Enabled;
-  }
-  if (input.KinesisFirehoseDestination !== undefined) {
-    bodyParams[
-      "KinesisFirehoseDestination"
-    ] = serializeAws_restJson1_1KinesisFirehoseDestination(
-      input.KinesisFirehoseDestination,
-      context
-    );
-  }
-  if (input.MatchingEventTypes !== undefined) {
-    bodyParams["MatchingEventTypes"] = serializeAws_restJson1_1EventTypes(
-      input.MatchingEventTypes,
-      context
-    );
-  }
-  if (input.PinpointDestination !== undefined) {
-    bodyParams[
-      "PinpointDestination"
-    ] = serializeAws_restJson1_1PinpointDestination(
-      input.PinpointDestination,
-      context
-    );
-  }
-  if (input.SnsDestination !== undefined) {
-    bodyParams["SnsDestination"] = serializeAws_restJson1_1SnsDestination(
-      input.SnsDestination,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.CloudWatchDestination !== undefined && {
+      CloudWatchDestination: serializeAws_restJson1_1CloudWatchDestination(
+        input.CloudWatchDestination,
+        context
+      )
+    }),
+    ...(input.Enabled !== undefined && { Enabled: input.Enabled }),
+    ...(input.KinesisFirehoseDestination !== undefined && {
+      KinesisFirehoseDestination: serializeAws_restJson1_1KinesisFirehoseDestination(
+        input.KinesisFirehoseDestination,
+        context
+      )
+    }),
+    ...(input.MatchingEventTypes !== undefined && {
+      MatchingEventTypes: serializeAws_restJson1_1EventTypes(
+        input.MatchingEventTypes,
+        context
+      )
+    }),
+    ...(input.PinpointDestination !== undefined && {
+      PinpointDestination: serializeAws_restJson1_1PinpointDestination(
+        input.PinpointDestination,
+        context
+      )
+    }),
+    ...(input.SnsDestination !== undefined && {
+      SnsDestination: serializeAws_restJson1_1SnsDestination(
+        input.SnsDestination,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1EventTypes = (
@@ -7054,17 +7022,15 @@ const serializeAws_restJson1_1InboxPlacementTrackingOption = (
   input: InboxPlacementTrackingOption,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Global !== undefined) {
-    bodyParams["Global"] = input.Global;
-  }
-  if (input.TrackedIsps !== undefined) {
-    bodyParams["TrackedIsps"] = serializeAws_restJson1_1IspNameList(
-      input.TrackedIsps,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Global !== undefined && { Global: input.Global }),
+    ...(input.TrackedIsps !== undefined && {
+      TrackedIsps: serializeAws_restJson1_1IspNameList(
+        input.TrackedIsps,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1IspNameList = (
@@ -7078,45 +7044,36 @@ const serializeAws_restJson1_1KinesisFirehoseDestination = (
   input: KinesisFirehoseDestination,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DeliveryStreamArn !== undefined) {
-    bodyParams["DeliveryStreamArn"] = input.DeliveryStreamArn;
-  }
-  if (input.IamRoleArn !== undefined) {
-    bodyParams["IamRoleArn"] = input.IamRoleArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.DeliveryStreamArn !== undefined && {
+      DeliveryStreamArn: input.DeliveryStreamArn
+    }),
+    ...(input.IamRoleArn !== undefined && { IamRoleArn: input.IamRoleArn })
+  };
 };
 
 const serializeAws_restJson1_1Message = (
   input: Message,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Body !== undefined) {
-    bodyParams["Body"] = serializeAws_restJson1_1Body(input.Body, context);
-  }
-  if (input.Subject !== undefined) {
-    bodyParams["Subject"] = serializeAws_restJson1_1Content(
-      input.Subject,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Body !== undefined && {
+      Body: serializeAws_restJson1_1Body(input.Body, context)
+    }),
+    ...(input.Subject !== undefined && {
+      Subject: serializeAws_restJson1_1Content(input.Subject, context)
+    })
+  };
 };
 
 const serializeAws_restJson1_1MessageTag = (
   input: MessageTag,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.Value !== undefined) {
-    bodyParams["Value"] = input.Value;
-  }
-  return bodyParams;
+  return {
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.Value !== undefined && { Value: input.Value })
+  };
 };
 
 const serializeAws_restJson1_1MessageTagList = (
@@ -7130,85 +7087,77 @@ const serializeAws_restJson1_1PinpointDestination = (
   input: PinpointDestination,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ApplicationArn !== undefined) {
-    bodyParams["ApplicationArn"] = input.ApplicationArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.ApplicationArn !== undefined && {
+      ApplicationArn: input.ApplicationArn
+    })
+  };
 };
 
 const serializeAws_restJson1_1RawMessage = (
   input: RawMessage,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Data !== undefined) {
-    bodyParams["Data"] = context.base64Encoder(input.Data);
-  }
-  return bodyParams;
+  return {
+    ...(input.Data !== undefined && { Data: context.base64Encoder(input.Data) })
+  };
 };
 
 const serializeAws_restJson1_1ReputationOptions = (
   input: ReputationOptions,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.LastFreshStart !== undefined) {
-    bodyParams["LastFreshStart"] = Math.round(
-      input.LastFreshStart.getTime() / 1000
-    );
-  }
-  if (input.ReputationMetricsEnabled !== undefined) {
-    bodyParams["ReputationMetricsEnabled"] = input.ReputationMetricsEnabled;
-  }
-  return bodyParams;
+  return {
+    ...(input.LastFreshStart !== undefined && {
+      LastFreshStart: Math.round(input.LastFreshStart.getTime() / 1000)
+    }),
+    ...(input.ReputationMetricsEnabled !== undefined && {
+      ReputationMetricsEnabled: input.ReputationMetricsEnabled
+    })
+  };
 };
 
 const serializeAws_restJson1_1SendingOptions = (
   input: SendingOptions,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.SendingEnabled !== undefined) {
-    bodyParams["SendingEnabled"] = input.SendingEnabled;
-  }
-  return bodyParams;
+  return {
+    ...(input.SendingEnabled !== undefined && {
+      SendingEnabled: input.SendingEnabled
+    })
+  };
 };
 
 const serializeAws_restJson1_1SnsDestination = (
   input: SnsDestination,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.TopicArn !== undefined) {
-    bodyParams["TopicArn"] = input.TopicArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.TopicArn !== undefined && { TopicArn: input.TopicArn })
+  };
 };
 
 const serializeAws_restJson1_1Template = (
   input: Template,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.TemplateArn !== undefined) {
-    bodyParams["TemplateArn"] = input.TemplateArn;
-  }
-  if (input.TemplateData !== undefined) {
-    bodyParams["TemplateData"] = input.TemplateData;
-  }
-  return bodyParams;
+  return {
+    ...(input.TemplateArn !== undefined && { TemplateArn: input.TemplateArn }),
+    ...(input.TemplateData !== undefined && {
+      TemplateData: input.TemplateData
+    })
+  };
 };
 
 const serializeAws_restJson1_1TrackingOptions = (
   input: TrackingOptions,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CustomRedirectDomain !== undefined) {
-    bodyParams["CustomRedirectDomain"] = input.CustomRedirectDomain;
-  }
-  return bodyParams;
+  return {
+    ...(input.CustomRedirectDomain !== undefined && {
+      CustomRedirectDomain: input.CustomRedirectDomain
+    })
+  };
 };
 
 const deserializeAws_restJson1_1SuppressionAttributes = (
diff --git a/clients/client-sfn/protocols/Aws_json1_0.ts b/clients/client-sfn/protocols/Aws_json1_0.ts
index 77171b662060..0c4723e9fbc4 100644
--- a/clients/client-sfn/protocols/Aws_json1_0.ts
+++ b/clients/client-sfn/protocols/Aws_json1_0.ts
@@ -2757,27 +2757,23 @@ const serializeAws_json1_0CloudWatchLogsLogGroup = (
   input: CloudWatchLogsLogGroup,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.logGroupArn !== undefined) {
-    bodyParams["logGroupArn"] = input.logGroupArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.logGroupArn !== undefined && { logGroupArn: input.logGroupArn })
+  };
 };
 
 const serializeAws_json1_0LogDestination = (
   input: LogDestination,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.cloudWatchLogsLogGroup !== undefined) {
-    bodyParams[
-      "cloudWatchLogsLogGroup"
-    ] = serializeAws_json1_0CloudWatchLogsLogGroup(
-      input.cloudWatchLogsLogGroup,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.cloudWatchLogsLogGroup !== undefined && {
+      cloudWatchLogsLogGroup: serializeAws_json1_0CloudWatchLogsLogGroup(
+        input.cloudWatchLogsLogGroup,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_0LogDestinationList = (
@@ -2791,311 +2787,247 @@ const serializeAws_json1_0LoggingConfiguration = (
   input: LoggingConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.destinations !== undefined) {
-    bodyParams["destinations"] = serializeAws_json1_0LogDestinationList(
-      input.destinations,
-      context
-    );
-  }
-  if (input.includeExecutionData !== undefined) {
-    bodyParams["includeExecutionData"] = input.includeExecutionData;
-  }
-  if (input.level !== undefined) {
-    bodyParams["level"] = input.level;
-  }
-  return bodyParams;
+  return {
+    ...(input.destinations !== undefined && {
+      destinations: serializeAws_json1_0LogDestinationList(
+        input.destinations,
+        context
+      )
+    }),
+    ...(input.includeExecutionData !== undefined && {
+      includeExecutionData: input.includeExecutionData
+    }),
+    ...(input.level !== undefined && { level: input.level })
+  };
 };
 
 const serializeAws_json1_0CreateActivityInput = (
   input: CreateActivityInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  if (input.tags !== undefined) {
-    bodyParams["tags"] = serializeAws_json1_0TagList(input.tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.name !== undefined && { name: input.name }),
+    ...(input.tags !== undefined && {
+      tags: serializeAws_json1_0TagList(input.tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_0CreateStateMachineInput = (
   input: CreateStateMachineInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.definition !== undefined) {
-    bodyParams["definition"] = input.definition;
-  }
-  if (input.loggingConfiguration !== undefined) {
-    bodyParams[
-      "loggingConfiguration"
-    ] = serializeAws_json1_0LoggingConfiguration(
-      input.loggingConfiguration,
-      context
-    );
-  }
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  if (input.roleArn !== undefined) {
-    bodyParams["roleArn"] = input.roleArn;
-  }
-  if (input.tags !== undefined) {
-    bodyParams["tags"] = serializeAws_json1_0TagList(input.tags, context);
-  }
-  if (input.type !== undefined) {
-    bodyParams["type"] = input.type;
-  }
-  return bodyParams;
+  return {
+    ...(input.definition !== undefined && { definition: input.definition }),
+    ...(input.loggingConfiguration !== undefined && {
+      loggingConfiguration: serializeAws_json1_0LoggingConfiguration(
+        input.loggingConfiguration,
+        context
+      )
+    }),
+    ...(input.name !== undefined && { name: input.name }),
+    ...(input.roleArn !== undefined && { roleArn: input.roleArn }),
+    ...(input.tags !== undefined && {
+      tags: serializeAws_json1_0TagList(input.tags, context)
+    }),
+    ...(input.type !== undefined && { type: input.type })
+  };
 };
 
 const serializeAws_json1_0DeleteActivityInput = (
   input: DeleteActivityInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.activityArn !== undefined) {
-    bodyParams["activityArn"] = input.activityArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.activityArn !== undefined && { activityArn: input.activityArn })
+  };
 };
 
 const serializeAws_json1_0DeleteStateMachineInput = (
   input: DeleteStateMachineInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.stateMachineArn !== undefined) {
-    bodyParams["stateMachineArn"] = input.stateMachineArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.stateMachineArn !== undefined && {
+      stateMachineArn: input.stateMachineArn
+    })
+  };
 };
 
 const serializeAws_json1_0DescribeActivityInput = (
   input: DescribeActivityInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.activityArn !== undefined) {
-    bodyParams["activityArn"] = input.activityArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.activityArn !== undefined && { activityArn: input.activityArn })
+  };
 };
 
 const serializeAws_json1_0DescribeExecutionInput = (
   input: DescribeExecutionInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.executionArn !== undefined) {
-    bodyParams["executionArn"] = input.executionArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.executionArn !== undefined && {
+      executionArn: input.executionArn
+    })
+  };
 };
 
 const serializeAws_json1_0DescribeStateMachineForExecutionInput = (
   input: DescribeStateMachineForExecutionInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.executionArn !== undefined) {
-    bodyParams["executionArn"] = input.executionArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.executionArn !== undefined && {
+      executionArn: input.executionArn
+    })
+  };
 };
 
 const serializeAws_json1_0DescribeStateMachineInput = (
   input: DescribeStateMachineInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.stateMachineArn !== undefined) {
-    bodyParams["stateMachineArn"] = input.stateMachineArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.stateMachineArn !== undefined && {
+      stateMachineArn: input.stateMachineArn
+    })
+  };
 };
 
 const serializeAws_json1_0GetActivityTaskInput = (
   input: GetActivityTaskInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.activityArn !== undefined) {
-    bodyParams["activityArn"] = input.activityArn;
-  }
-  if (input.workerName !== undefined) {
-    bodyParams["workerName"] = input.workerName;
-  }
-  return bodyParams;
+  return {
+    ...(input.activityArn !== undefined && { activityArn: input.activityArn }),
+    ...(input.workerName !== undefined && { workerName: input.workerName })
+  };
 };
 
 const serializeAws_json1_0GetExecutionHistoryInput = (
   input: GetExecutionHistoryInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.executionArn !== undefined) {
-    bodyParams["executionArn"] = input.executionArn;
-  }
-  if (input.maxResults !== undefined) {
-    bodyParams["maxResults"] = input.maxResults;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  if (input.reverseOrder !== undefined) {
-    bodyParams["reverseOrder"] = input.reverseOrder;
-  }
-  return bodyParams;
+  return {
+    ...(input.executionArn !== undefined && {
+      executionArn: input.executionArn
+    }),
+    ...(input.maxResults !== undefined && { maxResults: input.maxResults }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken }),
+    ...(input.reverseOrder !== undefined && {
+      reverseOrder: input.reverseOrder
+    })
+  };
 };
 
 const serializeAws_json1_0ListActivitiesInput = (
   input: ListActivitiesInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.maxResults !== undefined) {
-    bodyParams["maxResults"] = input.maxResults;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.maxResults !== undefined && { maxResults: input.maxResults }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken })
+  };
 };
 
 const serializeAws_json1_0ListExecutionsInput = (
   input: ListExecutionsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.maxResults !== undefined) {
-    bodyParams["maxResults"] = input.maxResults;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  if (input.stateMachineArn !== undefined) {
-    bodyParams["stateMachineArn"] = input.stateMachineArn;
-  }
-  if (input.statusFilter !== undefined) {
-    bodyParams["statusFilter"] = input.statusFilter;
-  }
-  return bodyParams;
+  return {
+    ...(input.maxResults !== undefined && { maxResults: input.maxResults }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken }),
+    ...(input.stateMachineArn !== undefined && {
+      stateMachineArn: input.stateMachineArn
+    }),
+    ...(input.statusFilter !== undefined && {
+      statusFilter: input.statusFilter
+    })
+  };
 };
 
 const serializeAws_json1_0ListStateMachinesInput = (
   input: ListStateMachinesInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.maxResults !== undefined) {
-    bodyParams["maxResults"] = input.maxResults;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.maxResults !== undefined && { maxResults: input.maxResults }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken })
+  };
 };
 
 const serializeAws_json1_0ListTagsForResourceInput = (
   input: ListTagsForResourceInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.resourceArn !== undefined) {
-    bodyParams["resourceArn"] = input.resourceArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.resourceArn !== undefined && { resourceArn: input.resourceArn })
+  };
 };
 
 const serializeAws_json1_0SendTaskFailureInput = (
   input: SendTaskFailureInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.cause !== undefined) {
-    bodyParams["cause"] = input.cause;
-  }
-  if (input.error !== undefined) {
-    bodyParams["error"] = input.error;
-  }
-  if (input.taskToken !== undefined) {
-    bodyParams["taskToken"] = input.taskToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.cause !== undefined && { cause: input.cause }),
+    ...(input.error !== undefined && { error: input.error }),
+    ...(input.taskToken !== undefined && { taskToken: input.taskToken })
+  };
 };
 
 const serializeAws_json1_0SendTaskHeartbeatInput = (
   input: SendTaskHeartbeatInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.taskToken !== undefined) {
-    bodyParams["taskToken"] = input.taskToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.taskToken !== undefined && { taskToken: input.taskToken })
+  };
 };
 
 const serializeAws_json1_0SendTaskSuccessInput = (
   input: SendTaskSuccessInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.output !== undefined) {
-    bodyParams["output"] = input.output;
-  }
-  if (input.taskToken !== undefined) {
-    bodyParams["taskToken"] = input.taskToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.output !== undefined && { output: input.output }),
+    ...(input.taskToken !== undefined && { taskToken: input.taskToken })
+  };
 };
 
 const serializeAws_json1_0StartExecutionInput = (
   input: StartExecutionInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.input !== undefined) {
-    bodyParams["input"] = input.input;
-  }
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  if (input.stateMachineArn !== undefined) {
-    bodyParams["stateMachineArn"] = input.stateMachineArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.input !== undefined && { input: input.input }),
+    ...(input.name !== undefined && { name: input.name }),
+    ...(input.stateMachineArn !== undefined && {
+      stateMachineArn: input.stateMachineArn
+    })
+  };
 };
 
 const serializeAws_json1_0StopExecutionInput = (
   input: StopExecutionInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.cause !== undefined) {
-    bodyParams["cause"] = input.cause;
-  }
-  if (input.error !== undefined) {
-    bodyParams["error"] = input.error;
-  }
-  if (input.executionArn !== undefined) {
-    bodyParams["executionArn"] = input.executionArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.cause !== undefined && { cause: input.cause }),
+    ...(input.error !== undefined && { error: input.error }),
+    ...(input.executionArn !== undefined && {
+      executionArn: input.executionArn
+    })
+  };
 };
 
 const serializeAws_json1_0Tag = (input: Tag, context: __SerdeContext): any => {
-  const bodyParams: any = {};
-  if (input.key !== undefined) {
-    bodyParams["key"] = input.key;
-  }
-  if (input.value !== undefined) {
-    bodyParams["value"] = input.value;
-  }
-  return bodyParams;
+  return {
+    ...(input.key !== undefined && { key: input.key }),
+    ...(input.value !== undefined && { value: input.value })
+  };
 };
 
 const serializeAws_json1_0TagKeyList = (
@@ -3116,56 +3048,43 @@ const serializeAws_json1_0TagResourceInput = (
   input: TagResourceInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.resourceArn !== undefined) {
-    bodyParams["resourceArn"] = input.resourceArn;
-  }
-  if (input.tags !== undefined) {
-    bodyParams["tags"] = serializeAws_json1_0TagList(input.tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.resourceArn !== undefined && { resourceArn: input.resourceArn }),
+    ...(input.tags !== undefined && {
+      tags: serializeAws_json1_0TagList(input.tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_0UntagResourceInput = (
   input: UntagResourceInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.resourceArn !== undefined) {
-    bodyParams["resourceArn"] = input.resourceArn;
-  }
-  if (input.tagKeys !== undefined) {
-    bodyParams["tagKeys"] = serializeAws_json1_0TagKeyList(
-      input.tagKeys,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.resourceArn !== undefined && { resourceArn: input.resourceArn }),
+    ...(input.tagKeys !== undefined && {
+      tagKeys: serializeAws_json1_0TagKeyList(input.tagKeys, context)
+    })
+  };
 };
 
 const serializeAws_json1_0UpdateStateMachineInput = (
   input: UpdateStateMachineInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.definition !== undefined) {
-    bodyParams["definition"] = input.definition;
-  }
-  if (input.loggingConfiguration !== undefined) {
-    bodyParams[
-      "loggingConfiguration"
-    ] = serializeAws_json1_0LoggingConfiguration(
-      input.loggingConfiguration,
-      context
-    );
-  }
-  if (input.roleArn !== undefined) {
-    bodyParams["roleArn"] = input.roleArn;
-  }
-  if (input.stateMachineArn !== undefined) {
-    bodyParams["stateMachineArn"] = input.stateMachineArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.definition !== undefined && { definition: input.definition }),
+    ...(input.loggingConfiguration !== undefined && {
+      loggingConfiguration: serializeAws_json1_0LoggingConfiguration(
+        input.loggingConfiguration,
+        context
+      )
+    }),
+    ...(input.roleArn !== undefined && { roleArn: input.roleArn }),
+    ...(input.stateMachineArn !== undefined && {
+      stateMachineArn: input.stateMachineArn
+    })
+  };
 };
 
 const deserializeAws_json1_0ActivityFailedEventDetails = (
diff --git a/clients/client-shield/protocols/Aws_json1_1.ts b/clients/client-shield/protocols/Aws_json1_1.ts
index 3b53c95b12aa..5eda17e75dbc 100644
--- a/clients/client-shield/protocols/Aws_json1_1.ts
+++ b/clients/client-shield/protocols/Aws_json1_1.ts
@@ -2304,142 +2304,122 @@ const serializeAws_json1_1AssociateDRTLogBucketRequest = (
   input: AssociateDRTLogBucketRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.LogBucket !== undefined) {
-    bodyParams["LogBucket"] = input.LogBucket;
-  }
-  return bodyParams;
+  return {
+    ...(input.LogBucket !== undefined && { LogBucket: input.LogBucket })
+  };
 };
 
 const serializeAws_json1_1AssociateDRTRoleRequest = (
   input: AssociateDRTRoleRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.RoleArn !== undefined) {
-    bodyParams["RoleArn"] = input.RoleArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.RoleArn !== undefined && { RoleArn: input.RoleArn })
+  };
 };
 
 const serializeAws_json1_1CreateProtectionRequest = (
   input: CreateProtectionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.ResourceArn !== undefined) {
-    bodyParams["ResourceArn"] = input.ResourceArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.ResourceArn !== undefined && { ResourceArn: input.ResourceArn })
+  };
 };
 
 const serializeAws_json1_1CreateSubscriptionRequest = (
   input: CreateSubscriptionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  return bodyParams;
+  return {};
 };
 
 const serializeAws_json1_1DeleteProtectionRequest = (
   input: DeleteProtectionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ProtectionId !== undefined) {
-    bodyParams["ProtectionId"] = input.ProtectionId;
-  }
-  return bodyParams;
+  return {
+    ...(input.ProtectionId !== undefined && {
+      ProtectionId: input.ProtectionId
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteSubscriptionRequest = (
   input: DeleteSubscriptionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  return bodyParams;
+  return {};
 };
 
 const serializeAws_json1_1DescribeAttackRequest = (
   input: DescribeAttackRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AttackId !== undefined) {
-    bodyParams["AttackId"] = input.AttackId;
-  }
-  return bodyParams;
+  return {
+    ...(input.AttackId !== undefined && { AttackId: input.AttackId })
+  };
 };
 
 const serializeAws_json1_1DescribeDRTAccessRequest = (
   input: DescribeDRTAccessRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  return bodyParams;
+  return {};
 };
 
 const serializeAws_json1_1DescribeEmergencyContactSettingsRequest = (
   input: DescribeEmergencyContactSettingsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  return bodyParams;
+  return {};
 };
 
 const serializeAws_json1_1DescribeProtectionRequest = (
   input: DescribeProtectionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ProtectionId !== undefined) {
-    bodyParams["ProtectionId"] = input.ProtectionId;
-  }
-  if (input.ResourceArn !== undefined) {
-    bodyParams["ResourceArn"] = input.ResourceArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.ProtectionId !== undefined && {
+      ProtectionId: input.ProtectionId
+    }),
+    ...(input.ResourceArn !== undefined && { ResourceArn: input.ResourceArn })
+  };
 };
 
 const serializeAws_json1_1DescribeSubscriptionRequest = (
   input: DescribeSubscriptionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  return bodyParams;
+  return {};
 };
 
 const serializeAws_json1_1DisassociateDRTLogBucketRequest = (
   input: DisassociateDRTLogBucketRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.LogBucket !== undefined) {
-    bodyParams["LogBucket"] = input.LogBucket;
-  }
-  return bodyParams;
+  return {
+    ...(input.LogBucket !== undefined && { LogBucket: input.LogBucket })
+  };
 };
 
 const serializeAws_json1_1DisassociateDRTRoleRequest = (
   input: DisassociateDRTRoleRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  return bodyParams;
+  return {};
 };
 
 const serializeAws_json1_1EmergencyContact = (
   input: EmergencyContact,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EmailAddress !== undefined) {
-    bodyParams["EmailAddress"] = input.EmailAddress;
-  }
-  return bodyParams;
+  return {
+    ...(input.EmailAddress !== undefined && {
+      EmailAddress: input.EmailAddress
+    })
+  };
 };
 
 const serializeAws_json1_1EmergencyContactList = (
@@ -2455,54 +2435,39 @@ const serializeAws_json1_1GetSubscriptionStateRequest = (
   input: GetSubscriptionStateRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  return bodyParams;
+  return {};
 };
 
 const serializeAws_json1_1ListAttacksRequest = (
   input: ListAttacksRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EndTime !== undefined) {
-    bodyParams["EndTime"] = serializeAws_json1_1TimeRange(
-      input.EndTime,
-      context
-    );
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.ResourceArns !== undefined) {
-    bodyParams["ResourceArns"] = serializeAws_json1_1ResourceArnFilterList(
-      input.ResourceArns,
-      context
-    );
-  }
-  if (input.StartTime !== undefined) {
-    bodyParams["StartTime"] = serializeAws_json1_1TimeRange(
-      input.StartTime,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.EndTime !== undefined && {
+      EndTime: serializeAws_json1_1TimeRange(input.EndTime, context)
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.ResourceArns !== undefined && {
+      ResourceArns: serializeAws_json1_1ResourceArnFilterList(
+        input.ResourceArns,
+        context
+      )
+    }),
+    ...(input.StartTime !== undefined && {
+      StartTime: serializeAws_json1_1TimeRange(input.StartTime, context)
+    })
+  };
 };
 
 const serializeAws_json1_1ListProtectionsRequest = (
   input: ListProtectionsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1ResourceArnFilterList = (
@@ -2516,43 +2481,37 @@ const serializeAws_json1_1TimeRange = (
   input: TimeRange,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.FromInclusive !== undefined) {
-    bodyParams["FromInclusive"] = Math.round(
-      input.FromInclusive.getTime() / 1000
-    );
-  }
-  if (input.ToExclusive !== undefined) {
-    bodyParams["ToExclusive"] = Math.round(input.ToExclusive.getTime() / 1000);
-  }
-  return bodyParams;
+  return {
+    ...(input.FromInclusive !== undefined && {
+      FromInclusive: Math.round(input.FromInclusive.getTime() / 1000)
+    }),
+    ...(input.ToExclusive !== undefined && {
+      ToExclusive: Math.round(input.ToExclusive.getTime() / 1000)
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateEmergencyContactSettingsRequest = (
   input: UpdateEmergencyContactSettingsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EmergencyContactList !== undefined) {
-    bodyParams[
-      "EmergencyContactList"
-    ] = serializeAws_json1_1EmergencyContactList(
-      input.EmergencyContactList,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.EmergencyContactList !== undefined && {
+      EmergencyContactList: serializeAws_json1_1EmergencyContactList(
+        input.EmergencyContactList,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateSubscriptionRequest = (
   input: UpdateSubscriptionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AutoRenew !== undefined) {
-    bodyParams["AutoRenew"] = input.AutoRenew;
-  }
-  return bodyParams;
+  return {
+    ...(input.AutoRenew !== undefined && { AutoRenew: input.AutoRenew })
+  };
 };
 
 const deserializeAws_json1_1AccessDeniedException = (
diff --git a/clients/client-signer/protocols/Aws_restJson1_1.ts b/clients/client-signer/protocols/Aws_restJson1_1.ts
index 761608f41d1c..50eabfd11c85 100644
--- a/clients/client-signer/protocols/Aws_restJson1_1.ts
+++ b/clients/client-signer/protocols/Aws_restJson1_1.ts
@@ -1895,67 +1895,57 @@ const serializeAws_restJson1_1Destination = (
   input: Destination,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.s3 !== undefined) {
-    bodyParams["s3"] = serializeAws_restJson1_1S3Destination(input.s3, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.s3 !== undefined && {
+      s3: serializeAws_restJson1_1S3Destination(input.s3, context)
+    })
+  };
 };
 
 const serializeAws_restJson1_1S3Destination = (
   input: S3Destination,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.bucketName !== undefined) {
-    bodyParams["bucketName"] = input.bucketName;
-  }
-  if (input.prefix !== undefined) {
-    bodyParams["prefix"] = input.prefix;
-  }
-  return bodyParams;
+  return {
+    ...(input.bucketName !== undefined && { bucketName: input.bucketName }),
+    ...(input.prefix !== undefined && { prefix: input.prefix })
+  };
 };
 
 const serializeAws_restJson1_1S3Source = (
   input: S3Source,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.bucketName !== undefined) {
-    bodyParams["bucketName"] = input.bucketName;
-  }
-  if (input.key !== undefined) {
-    bodyParams["key"] = input.key;
-  }
-  if (input.version !== undefined) {
-    bodyParams["version"] = input.version;
-  }
-  return bodyParams;
+  return {
+    ...(input.bucketName !== undefined && { bucketName: input.bucketName }),
+    ...(input.key !== undefined && { key: input.key }),
+    ...(input.version !== undefined && { version: input.version })
+  };
 };
 
 const serializeAws_restJson1_1SigningConfigurationOverrides = (
   input: SigningConfigurationOverrides,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.encryptionAlgorithm !== undefined) {
-    bodyParams["encryptionAlgorithm"] = input.encryptionAlgorithm;
-  }
-  if (input.hashAlgorithm !== undefined) {
-    bodyParams["hashAlgorithm"] = input.hashAlgorithm;
-  }
-  return bodyParams;
+  return {
+    ...(input.encryptionAlgorithm !== undefined && {
+      encryptionAlgorithm: input.encryptionAlgorithm
+    }),
+    ...(input.hashAlgorithm !== undefined && {
+      hashAlgorithm: input.hashAlgorithm
+    })
+  };
 };
 
 const serializeAws_restJson1_1SigningMaterial = (
   input: SigningMaterial,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.certificateArn !== undefined) {
-    bodyParams["certificateArn"] = input.certificateArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.certificateArn !== undefined && {
+      certificateArn: input.certificateArn
+    })
+  };
 };
 
 const serializeAws_restJson1_1SigningParameters = (
@@ -1972,27 +1962,25 @@ const serializeAws_restJson1_1SigningPlatformOverrides = (
   input: SigningPlatformOverrides,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.signingConfiguration !== undefined) {
-    bodyParams[
-      "signingConfiguration"
-    ] = serializeAws_restJson1_1SigningConfigurationOverrides(
-      input.signingConfiguration,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.signingConfiguration !== undefined && {
+      signingConfiguration: serializeAws_restJson1_1SigningConfigurationOverrides(
+        input.signingConfiguration,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1Source = (
   input: Source,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.s3 !== undefined) {
-    bodyParams["s3"] = serializeAws_restJson1_1S3Source(input.s3, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.s3 !== undefined && {
+      s3: serializeAws_restJson1_1S3Source(input.s3, context)
+    })
+  };
 };
 
 const serializeAws_restJson1_1TagMap = (
diff --git a/clients/client-sms/protocols/Aws_json1_1.ts b/clients/client-sms/protocols/Aws_json1_1.ts
index 5b37105c5743..cb2d9e634d76 100644
--- a/clients/client-sms/protocols/Aws_json1_1.ts
+++ b/clients/client-sms/protocols/Aws_json1_1.ts
@@ -3738,426 +3738,330 @@ const serializeAws_json1_1CreateAppRequest = (
   input: CreateAppRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.clientToken !== undefined) {
-    bodyParams["clientToken"] = input.clientToken;
-  }
-  if (input.description !== undefined) {
-    bodyParams["description"] = input.description;
-  }
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  if (input.roleName !== undefined) {
-    bodyParams["roleName"] = input.roleName;
-  }
-  if (input.serverGroups !== undefined) {
-    bodyParams["serverGroups"] = serializeAws_json1_1ServerGroups(
-      input.serverGroups,
-      context
-    );
-  }
-  if (input.tags !== undefined) {
-    bodyParams["tags"] = serializeAws_json1_1Tags(input.tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.clientToken !== undefined && { clientToken: input.clientToken }),
+    ...(input.description !== undefined && { description: input.description }),
+    ...(input.name !== undefined && { name: input.name }),
+    ...(input.roleName !== undefined && { roleName: input.roleName }),
+    ...(input.serverGroups !== undefined && {
+      serverGroups: serializeAws_json1_1ServerGroups(
+        input.serverGroups,
+        context
+      )
+    }),
+    ...(input.tags !== undefined && {
+      tags: serializeAws_json1_1Tags(input.tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1CreateReplicationJobRequest = (
   input: CreateReplicationJobRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.description !== undefined) {
-    bodyParams["description"] = input.description;
-  }
-  if (input.encrypted !== undefined) {
-    bodyParams["encrypted"] = input.encrypted;
-  }
-  if (input.frequency !== undefined) {
-    bodyParams["frequency"] = input.frequency;
-  }
-  if (input.kmsKeyId !== undefined) {
-    bodyParams["kmsKeyId"] = input.kmsKeyId;
-  }
-  if (input.licenseType !== undefined) {
-    bodyParams["licenseType"] = input.licenseType;
-  }
-  if (input.numberOfRecentAmisToKeep !== undefined) {
-    bodyParams["numberOfRecentAmisToKeep"] = input.numberOfRecentAmisToKeep;
-  }
-  if (input.roleName !== undefined) {
-    bodyParams["roleName"] = input.roleName;
-  }
-  if (input.runOnce !== undefined) {
-    bodyParams["runOnce"] = input.runOnce;
-  }
-  if (input.seedReplicationTime !== undefined) {
-    bodyParams["seedReplicationTime"] = Math.round(
-      input.seedReplicationTime.getTime() / 1000
-    );
-  }
-  if (input.serverId !== undefined) {
-    bodyParams["serverId"] = input.serverId;
-  }
-  return bodyParams;
+  return {
+    ...(input.description !== undefined && { description: input.description }),
+    ...(input.encrypted !== undefined && { encrypted: input.encrypted }),
+    ...(input.frequency !== undefined && { frequency: input.frequency }),
+    ...(input.kmsKeyId !== undefined && { kmsKeyId: input.kmsKeyId }),
+    ...(input.licenseType !== undefined && { licenseType: input.licenseType }),
+    ...(input.numberOfRecentAmisToKeep !== undefined && {
+      numberOfRecentAmisToKeep: input.numberOfRecentAmisToKeep
+    }),
+    ...(input.roleName !== undefined && { roleName: input.roleName }),
+    ...(input.runOnce !== undefined && { runOnce: input.runOnce }),
+    ...(input.seedReplicationTime !== undefined && {
+      seedReplicationTime: Math.round(
+        input.seedReplicationTime.getTime() / 1000
+      )
+    }),
+    ...(input.serverId !== undefined && { serverId: input.serverId })
+  };
 };
 
 const serializeAws_json1_1DeleteAppLaunchConfigurationRequest = (
   input: DeleteAppLaunchConfigurationRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.appId !== undefined) {
-    bodyParams["appId"] = input.appId;
-  }
-  return bodyParams;
+  return {
+    ...(input.appId !== undefined && { appId: input.appId })
+  };
 };
 
 const serializeAws_json1_1DeleteAppReplicationConfigurationRequest = (
   input: DeleteAppReplicationConfigurationRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.appId !== undefined) {
-    bodyParams["appId"] = input.appId;
-  }
-  return bodyParams;
+  return {
+    ...(input.appId !== undefined && { appId: input.appId })
+  };
 };
 
 const serializeAws_json1_1DeleteAppRequest = (
   input: DeleteAppRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.appId !== undefined) {
-    bodyParams["appId"] = input.appId;
-  }
-  if (input.forceStopAppReplication !== undefined) {
-    bodyParams["forceStopAppReplication"] = input.forceStopAppReplication;
-  }
-  if (input.forceTerminateApp !== undefined) {
-    bodyParams["forceTerminateApp"] = input.forceTerminateApp;
-  }
-  return bodyParams;
+  return {
+    ...(input.appId !== undefined && { appId: input.appId }),
+    ...(input.forceStopAppReplication !== undefined && {
+      forceStopAppReplication: input.forceStopAppReplication
+    }),
+    ...(input.forceTerminateApp !== undefined && {
+      forceTerminateApp: input.forceTerminateApp
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteReplicationJobRequest = (
   input: DeleteReplicationJobRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.replicationJobId !== undefined) {
-    bodyParams["replicationJobId"] = input.replicationJobId;
-  }
-  return bodyParams;
+  return {
+    ...(input.replicationJobId !== undefined && {
+      replicationJobId: input.replicationJobId
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteServerCatalogRequest = (
   input: DeleteServerCatalogRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  return bodyParams;
+  return {};
 };
 
 const serializeAws_json1_1DisassociateConnectorRequest = (
   input: DisassociateConnectorRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.connectorId !== undefined) {
-    bodyParams["connectorId"] = input.connectorId;
-  }
-  return bodyParams;
+  return {
+    ...(input.connectorId !== undefined && { connectorId: input.connectorId })
+  };
 };
 
 const serializeAws_json1_1GenerateChangeSetRequest = (
   input: GenerateChangeSetRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.appId !== undefined) {
-    bodyParams["appId"] = input.appId;
-  }
-  if (input.changesetFormat !== undefined) {
-    bodyParams["changesetFormat"] = input.changesetFormat;
-  }
-  return bodyParams;
+  return {
+    ...(input.appId !== undefined && { appId: input.appId }),
+    ...(input.changesetFormat !== undefined && {
+      changesetFormat: input.changesetFormat
+    })
+  };
 };
 
 const serializeAws_json1_1GenerateTemplateRequest = (
   input: GenerateTemplateRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.appId !== undefined) {
-    bodyParams["appId"] = input.appId;
-  }
-  if (input.templateFormat !== undefined) {
-    bodyParams["templateFormat"] = input.templateFormat;
-  }
-  return bodyParams;
+  return {
+    ...(input.appId !== undefined && { appId: input.appId }),
+    ...(input.templateFormat !== undefined && {
+      templateFormat: input.templateFormat
+    })
+  };
 };
 
 const serializeAws_json1_1GetAppLaunchConfigurationRequest = (
   input: GetAppLaunchConfigurationRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.appId !== undefined) {
-    bodyParams["appId"] = input.appId;
-  }
-  return bodyParams;
+  return {
+    ...(input.appId !== undefined && { appId: input.appId })
+  };
 };
 
 const serializeAws_json1_1GetAppReplicationConfigurationRequest = (
   input: GetAppReplicationConfigurationRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.appId !== undefined) {
-    bodyParams["appId"] = input.appId;
-  }
-  return bodyParams;
+  return {
+    ...(input.appId !== undefined && { appId: input.appId })
+  };
 };
 
 const serializeAws_json1_1GetAppRequest = (
   input: GetAppRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.appId !== undefined) {
-    bodyParams["appId"] = input.appId;
-  }
-  return bodyParams;
+  return {
+    ...(input.appId !== undefined && { appId: input.appId })
+  };
 };
 
 const serializeAws_json1_1GetConnectorsRequest = (
   input: GetConnectorsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.maxResults !== undefined) {
-    bodyParams["maxResults"] = input.maxResults;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.maxResults !== undefined && { maxResults: input.maxResults }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken })
+  };
 };
 
 const serializeAws_json1_1GetReplicationJobsRequest = (
   input: GetReplicationJobsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.maxResults !== undefined) {
-    bodyParams["maxResults"] = input.maxResults;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  if (input.replicationJobId !== undefined) {
-    bodyParams["replicationJobId"] = input.replicationJobId;
-  }
-  return bodyParams;
+  return {
+    ...(input.maxResults !== undefined && { maxResults: input.maxResults }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken }),
+    ...(input.replicationJobId !== undefined && {
+      replicationJobId: input.replicationJobId
+    })
+  };
 };
 
 const serializeAws_json1_1GetReplicationRunsRequest = (
   input: GetReplicationRunsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.maxResults !== undefined) {
-    bodyParams["maxResults"] = input.maxResults;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  if (input.replicationJobId !== undefined) {
-    bodyParams["replicationJobId"] = input.replicationJobId;
-  }
-  return bodyParams;
+  return {
+    ...(input.maxResults !== undefined && { maxResults: input.maxResults }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken }),
+    ...(input.replicationJobId !== undefined && {
+      replicationJobId: input.replicationJobId
+    })
+  };
 };
 
 const serializeAws_json1_1GetServersRequest = (
   input: GetServersRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.maxResults !== undefined) {
-    bodyParams["maxResults"] = input.maxResults;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  if (input.vmServerAddressList !== undefined) {
-    bodyParams["vmServerAddressList"] = serializeAws_json1_1VmServerAddressList(
-      input.vmServerAddressList,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.maxResults !== undefined && { maxResults: input.maxResults }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken }),
+    ...(input.vmServerAddressList !== undefined && {
+      vmServerAddressList: serializeAws_json1_1VmServerAddressList(
+        input.vmServerAddressList,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1ImportServerCatalogRequest = (
   input: ImportServerCatalogRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  return bodyParams;
+  return {};
 };
 
 const serializeAws_json1_1LaunchAppRequest = (
   input: LaunchAppRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.appId !== undefined) {
-    bodyParams["appId"] = input.appId;
-  }
-  return bodyParams;
+  return {
+    ...(input.appId !== undefined && { appId: input.appId })
+  };
 };
 
 const serializeAws_json1_1ListAppsRequest = (
   input: ListAppsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.appIds !== undefined) {
-    bodyParams["appIds"] = serializeAws_json1_1AppIds(input.appIds, context);
-  }
-  if (input.maxResults !== undefined) {
-    bodyParams["maxResults"] = input.maxResults;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.appIds !== undefined && {
+      appIds: serializeAws_json1_1AppIds(input.appIds, context)
+    }),
+    ...(input.maxResults !== undefined && { maxResults: input.maxResults }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken })
+  };
 };
 
 const serializeAws_json1_1PutAppLaunchConfigurationRequest = (
   input: PutAppLaunchConfigurationRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.appId !== undefined) {
-    bodyParams["appId"] = input.appId;
-  }
-  if (input.roleName !== undefined) {
-    bodyParams["roleName"] = input.roleName;
-  }
-  if (input.serverGroupLaunchConfigurations !== undefined) {
-    bodyParams[
-      "serverGroupLaunchConfigurations"
-    ] = serializeAws_json1_1ServerGroupLaunchConfigurations(
-      input.serverGroupLaunchConfigurations,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.appId !== undefined && { appId: input.appId }),
+    ...(input.roleName !== undefined && { roleName: input.roleName }),
+    ...(input.serverGroupLaunchConfigurations !== undefined && {
+      serverGroupLaunchConfigurations: serializeAws_json1_1ServerGroupLaunchConfigurations(
+        input.serverGroupLaunchConfigurations,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1PutAppReplicationConfigurationRequest = (
   input: PutAppReplicationConfigurationRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.appId !== undefined) {
-    bodyParams["appId"] = input.appId;
-  }
-  if (input.serverGroupReplicationConfigurations !== undefined) {
-    bodyParams[
-      "serverGroupReplicationConfigurations"
-    ] = serializeAws_json1_1ServerGroupReplicationConfigurations(
-      input.serverGroupReplicationConfigurations,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.appId !== undefined && { appId: input.appId }),
+    ...(input.serverGroupReplicationConfigurations !== undefined && {
+      serverGroupReplicationConfigurations: serializeAws_json1_1ServerGroupReplicationConfigurations(
+        input.serverGroupReplicationConfigurations,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1S3Location = (
   input: S3Location,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.bucket !== undefined) {
-    bodyParams["bucket"] = input.bucket;
-  }
-  if (input.key !== undefined) {
-    bodyParams["key"] = input.key;
-  }
-  return bodyParams;
+  return {
+    ...(input.bucket !== undefined && { bucket: input.bucket }),
+    ...(input.key !== undefined && { key: input.key })
+  };
 };
 
 const serializeAws_json1_1Server = (
   input: Server,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.replicationJobId !== undefined) {
-    bodyParams["replicationJobId"] = input.replicationJobId;
-  }
-  if (input.replicationJobTerminated !== undefined) {
-    bodyParams["replicationJobTerminated"] = input.replicationJobTerminated;
-  }
-  if (input.serverId !== undefined) {
-    bodyParams["serverId"] = input.serverId;
-  }
-  if (input.serverType !== undefined) {
-    bodyParams["serverType"] = input.serverType;
-  }
-  if (input.vmServer !== undefined) {
-    bodyParams["vmServer"] = serializeAws_json1_1VmServer(
-      input.vmServer,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.replicationJobId !== undefined && {
+      replicationJobId: input.replicationJobId
+    }),
+    ...(input.replicationJobTerminated !== undefined && {
+      replicationJobTerminated: input.replicationJobTerminated
+    }),
+    ...(input.serverId !== undefined && { serverId: input.serverId }),
+    ...(input.serverType !== undefined && { serverType: input.serverType }),
+    ...(input.vmServer !== undefined && {
+      vmServer: serializeAws_json1_1VmServer(input.vmServer, context)
+    })
+  };
 };
 
 const serializeAws_json1_1ServerGroup = (
   input: ServerGroup,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  if (input.serverGroupId !== undefined) {
-    bodyParams["serverGroupId"] = input.serverGroupId;
-  }
-  if (input.serverList !== undefined) {
-    bodyParams["serverList"] = serializeAws_json1_1ServerList(
-      input.serverList,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.name !== undefined && { name: input.name }),
+    ...(input.serverGroupId !== undefined && {
+      serverGroupId: input.serverGroupId
+    }),
+    ...(input.serverList !== undefined && {
+      serverList: serializeAws_json1_1ServerList(input.serverList, context)
+    })
+  };
 };
 
 const serializeAws_json1_1ServerGroupLaunchConfiguration = (
   input: ServerGroupLaunchConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.launchOrder !== undefined) {
-    bodyParams["launchOrder"] = input.launchOrder;
-  }
-  if (input.serverGroupId !== undefined) {
-    bodyParams["serverGroupId"] = input.serverGroupId;
-  }
-  if (input.serverLaunchConfigurations !== undefined) {
-    bodyParams[
-      "serverLaunchConfigurations"
-    ] = serializeAws_json1_1ServerLaunchConfigurations(
-      input.serverLaunchConfigurations,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.launchOrder !== undefined && { launchOrder: input.launchOrder }),
+    ...(input.serverGroupId !== undefined && {
+      serverGroupId: input.serverGroupId
+    }),
+    ...(input.serverLaunchConfigurations !== undefined && {
+      serverLaunchConfigurations: serializeAws_json1_1ServerLaunchConfigurations(
+        input.serverLaunchConfigurations,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1ServerGroupLaunchConfigurations = (
@@ -4173,19 +4077,17 @@ const serializeAws_json1_1ServerGroupReplicationConfiguration = (
   input: ServerGroupReplicationConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.serverGroupId !== undefined) {
-    bodyParams["serverGroupId"] = input.serverGroupId;
-  }
-  if (input.serverReplicationConfigurations !== undefined) {
-    bodyParams[
-      "serverReplicationConfigurations"
-    ] = serializeAws_json1_1ServerReplicationConfigurations(
-      input.serverReplicationConfigurations,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.serverGroupId !== undefined && {
+      serverGroupId: input.serverGroupId
+    }),
+    ...(input.serverReplicationConfigurations !== undefined && {
+      serverReplicationConfigurations: serializeAws_json1_1ServerReplicationConfigurations(
+        input.serverReplicationConfigurations,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1ServerGroupReplicationConfigurations = (
@@ -4208,38 +4110,27 @@ const serializeAws_json1_1ServerLaunchConfiguration = (
   input: ServerLaunchConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.associatePublicIpAddress !== undefined) {
-    bodyParams["associatePublicIpAddress"] = input.associatePublicIpAddress;
-  }
-  if (input.ec2KeyName !== undefined) {
-    bodyParams["ec2KeyName"] = input.ec2KeyName;
-  }
-  if (input.instanceType !== undefined) {
-    bodyParams["instanceType"] = input.instanceType;
-  }
-  if (input.logicalId !== undefined) {
-    bodyParams["logicalId"] = input.logicalId;
-  }
-  if (input.securityGroup !== undefined) {
-    bodyParams["securityGroup"] = input.securityGroup;
-  }
-  if (input.server !== undefined) {
-    bodyParams["server"] = serializeAws_json1_1Server(input.server, context);
-  }
-  if (input.subnet !== undefined) {
-    bodyParams["subnet"] = input.subnet;
-  }
-  if (input.userData !== undefined) {
-    bodyParams["userData"] = serializeAws_json1_1UserData(
-      input.userData,
-      context
-    );
-  }
-  if (input.vpc !== undefined) {
-    bodyParams["vpc"] = input.vpc;
-  }
-  return bodyParams;
+  return {
+    ...(input.associatePublicIpAddress !== undefined && {
+      associatePublicIpAddress: input.associatePublicIpAddress
+    }),
+    ...(input.ec2KeyName !== undefined && { ec2KeyName: input.ec2KeyName }),
+    ...(input.instanceType !== undefined && {
+      instanceType: input.instanceType
+    }),
+    ...(input.logicalId !== undefined && { logicalId: input.logicalId }),
+    ...(input.securityGroup !== undefined && {
+      securityGroup: input.securityGroup
+    }),
+    ...(input.server !== undefined && {
+      server: serializeAws_json1_1Server(input.server, context)
+    }),
+    ...(input.subnet !== undefined && { subnet: input.subnet }),
+    ...(input.userData !== undefined && {
+      userData: serializeAws_json1_1UserData(input.userData, context)
+    }),
+    ...(input.vpc !== undefined && { vpc: input.vpc })
+  };
 };
 
 const serializeAws_json1_1ServerLaunchConfigurations = (
@@ -4262,19 +4153,17 @@ const serializeAws_json1_1ServerReplicationConfiguration = (
   input: ServerReplicationConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.server !== undefined) {
-    bodyParams["server"] = serializeAws_json1_1Server(input.server, context);
-  }
-  if (input.serverReplicationParameters !== undefined) {
-    bodyParams[
-      "serverReplicationParameters"
-    ] = serializeAws_json1_1ServerReplicationParameters(
-      input.serverReplicationParameters,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.server !== undefined && {
+      server: serializeAws_json1_1Server(input.server, context)
+    }),
+    ...(input.serverReplicationParameters !== undefined && {
+      serverReplicationParameters: serializeAws_json1_1ServerReplicationParameters(
+        input.serverReplicationParameters,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1ServerReplicationConfigurations = (
@@ -4290,76 +4179,56 @@ const serializeAws_json1_1ServerReplicationParameters = (
   input: ServerReplicationParameters,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.encrypted !== undefined) {
-    bodyParams["encrypted"] = input.encrypted;
-  }
-  if (input.frequency !== undefined) {
-    bodyParams["frequency"] = input.frequency;
-  }
-  if (input.kmsKeyId !== undefined) {
-    bodyParams["kmsKeyId"] = input.kmsKeyId;
-  }
-  if (input.licenseType !== undefined) {
-    bodyParams["licenseType"] = input.licenseType;
-  }
-  if (input.numberOfRecentAmisToKeep !== undefined) {
-    bodyParams["numberOfRecentAmisToKeep"] = input.numberOfRecentAmisToKeep;
-  }
-  if (input.runOnce !== undefined) {
-    bodyParams["runOnce"] = input.runOnce;
-  }
-  if (input.seedTime !== undefined) {
-    bodyParams["seedTime"] = Math.round(input.seedTime.getTime() / 1000);
-  }
-  return bodyParams;
+  return {
+    ...(input.encrypted !== undefined && { encrypted: input.encrypted }),
+    ...(input.frequency !== undefined && { frequency: input.frequency }),
+    ...(input.kmsKeyId !== undefined && { kmsKeyId: input.kmsKeyId }),
+    ...(input.licenseType !== undefined && { licenseType: input.licenseType }),
+    ...(input.numberOfRecentAmisToKeep !== undefined && {
+      numberOfRecentAmisToKeep: input.numberOfRecentAmisToKeep
+    }),
+    ...(input.runOnce !== undefined && { runOnce: input.runOnce }),
+    ...(input.seedTime !== undefined && {
+      seedTime: Math.round(input.seedTime.getTime() / 1000)
+    })
+  };
 };
 
 const serializeAws_json1_1StartAppReplicationRequest = (
   input: StartAppReplicationRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.appId !== undefined) {
-    bodyParams["appId"] = input.appId;
-  }
-  return bodyParams;
+  return {
+    ...(input.appId !== undefined && { appId: input.appId })
+  };
 };
 
 const serializeAws_json1_1StartOnDemandReplicationRunRequest = (
   input: StartOnDemandReplicationRunRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.description !== undefined) {
-    bodyParams["description"] = input.description;
-  }
-  if (input.replicationJobId !== undefined) {
-    bodyParams["replicationJobId"] = input.replicationJobId;
-  }
-  return bodyParams;
+  return {
+    ...(input.description !== undefined && { description: input.description }),
+    ...(input.replicationJobId !== undefined && {
+      replicationJobId: input.replicationJobId
+    })
+  };
 };
 
 const serializeAws_json1_1StopAppReplicationRequest = (
   input: StopAppReplicationRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.appId !== undefined) {
-    bodyParams["appId"] = input.appId;
-  }
-  return bodyParams;
+  return {
+    ...(input.appId !== undefined && { appId: input.appId })
+  };
 };
 
 const serializeAws_json1_1Tag = (input: Tag, context: __SerdeContext): any => {
-  const bodyParams: any = {};
-  if (input.key !== undefined) {
-    bodyParams["key"] = input.key;
-  }
-  if (input.value !== undefined) {
-    bodyParams["value"] = input.value;
-  }
-  return bodyParams;
+  return {
+    ...(input.key !== undefined && { key: input.key }),
+    ...(input.value !== undefined && { value: input.value })
+  };
 };
 
 const serializeAws_json1_1Tags = (
@@ -4373,131 +4242,98 @@ const serializeAws_json1_1TerminateAppRequest = (
   input: TerminateAppRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.appId !== undefined) {
-    bodyParams["appId"] = input.appId;
-  }
-  return bodyParams;
+  return {
+    ...(input.appId !== undefined && { appId: input.appId })
+  };
 };
 
 const serializeAws_json1_1UpdateAppRequest = (
   input: UpdateAppRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.appId !== undefined) {
-    bodyParams["appId"] = input.appId;
-  }
-  if (input.description !== undefined) {
-    bodyParams["description"] = input.description;
-  }
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  if (input.roleName !== undefined) {
-    bodyParams["roleName"] = input.roleName;
-  }
-  if (input.serverGroups !== undefined) {
-    bodyParams["serverGroups"] = serializeAws_json1_1ServerGroups(
-      input.serverGroups,
-      context
-    );
-  }
-  if (input.tags !== undefined) {
-    bodyParams["tags"] = serializeAws_json1_1Tags(input.tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.appId !== undefined && { appId: input.appId }),
+    ...(input.description !== undefined && { description: input.description }),
+    ...(input.name !== undefined && { name: input.name }),
+    ...(input.roleName !== undefined && { roleName: input.roleName }),
+    ...(input.serverGroups !== undefined && {
+      serverGroups: serializeAws_json1_1ServerGroups(
+        input.serverGroups,
+        context
+      )
+    }),
+    ...(input.tags !== undefined && {
+      tags: serializeAws_json1_1Tags(input.tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateReplicationJobRequest = (
   input: UpdateReplicationJobRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.description !== undefined) {
-    bodyParams["description"] = input.description;
-  }
-  if (input.encrypted !== undefined) {
-    bodyParams["encrypted"] = input.encrypted;
-  }
-  if (input.frequency !== undefined) {
-    bodyParams["frequency"] = input.frequency;
-  }
-  if (input.kmsKeyId !== undefined) {
-    bodyParams["kmsKeyId"] = input.kmsKeyId;
-  }
-  if (input.licenseType !== undefined) {
-    bodyParams["licenseType"] = input.licenseType;
-  }
-  if (input.nextReplicationRunStartTime !== undefined) {
-    bodyParams["nextReplicationRunStartTime"] = Math.round(
-      input.nextReplicationRunStartTime.getTime() / 1000
-    );
-  }
-  if (input.numberOfRecentAmisToKeep !== undefined) {
-    bodyParams["numberOfRecentAmisToKeep"] = input.numberOfRecentAmisToKeep;
-  }
-  if (input.replicationJobId !== undefined) {
-    bodyParams["replicationJobId"] = input.replicationJobId;
-  }
-  if (input.roleName !== undefined) {
-    bodyParams["roleName"] = input.roleName;
-  }
-  return bodyParams;
+  return {
+    ...(input.description !== undefined && { description: input.description }),
+    ...(input.encrypted !== undefined && { encrypted: input.encrypted }),
+    ...(input.frequency !== undefined && { frequency: input.frequency }),
+    ...(input.kmsKeyId !== undefined && { kmsKeyId: input.kmsKeyId }),
+    ...(input.licenseType !== undefined && { licenseType: input.licenseType }),
+    ...(input.nextReplicationRunStartTime !== undefined && {
+      nextReplicationRunStartTime: Math.round(
+        input.nextReplicationRunStartTime.getTime() / 1000
+      )
+    }),
+    ...(input.numberOfRecentAmisToKeep !== undefined && {
+      numberOfRecentAmisToKeep: input.numberOfRecentAmisToKeep
+    }),
+    ...(input.replicationJobId !== undefined && {
+      replicationJobId: input.replicationJobId
+    }),
+    ...(input.roleName !== undefined && { roleName: input.roleName })
+  };
 };
 
 const serializeAws_json1_1UserData = (
   input: UserData,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.s3Location !== undefined) {
-    bodyParams["s3Location"] = serializeAws_json1_1S3Location(
-      input.s3Location,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.s3Location !== undefined && {
+      s3Location: serializeAws_json1_1S3Location(input.s3Location, context)
+    })
+  };
 };
 
 const serializeAws_json1_1VmServer = (
   input: VmServer,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.vmManagerName !== undefined) {
-    bodyParams["vmManagerName"] = input.vmManagerName;
-  }
-  if (input.vmManagerType !== undefined) {
-    bodyParams["vmManagerType"] = input.vmManagerType;
-  }
-  if (input.vmName !== undefined) {
-    bodyParams["vmName"] = input.vmName;
-  }
-  if (input.vmPath !== undefined) {
-    bodyParams["vmPath"] = input.vmPath;
-  }
-  if (input.vmServerAddress !== undefined) {
-    bodyParams["vmServerAddress"] = serializeAws_json1_1VmServerAddress(
-      input.vmServerAddress,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.vmManagerName !== undefined && {
+      vmManagerName: input.vmManagerName
+    }),
+    ...(input.vmManagerType !== undefined && {
+      vmManagerType: input.vmManagerType
+    }),
+    ...(input.vmName !== undefined && { vmName: input.vmName }),
+    ...(input.vmPath !== undefined && { vmPath: input.vmPath }),
+    ...(input.vmServerAddress !== undefined && {
+      vmServerAddress: serializeAws_json1_1VmServerAddress(
+        input.vmServerAddress,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1VmServerAddress = (
   input: VmServerAddress,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.vmId !== undefined) {
-    bodyParams["vmId"] = input.vmId;
-  }
-  if (input.vmManagerId !== undefined) {
-    bodyParams["vmManagerId"] = input.vmManagerId;
-  }
-  return bodyParams;
+  return {
+    ...(input.vmId !== undefined && { vmId: input.vmId }),
+    ...(input.vmManagerId !== undefined && { vmManagerId: input.vmManagerId })
+  };
 };
 
 const serializeAws_json1_1VmServerAddressList = (
diff --git a/clients/client-snowball/protocols/Aws_json1_1.ts b/clients/client-snowball/protocols/Aws_json1_1.ts
index 4fa4c2fe19b7..59744b6ab494 100644
--- a/clients/client-snowball/protocols/Aws_json1_1.ts
+++ b/clients/client-snowball/protocols/Aws_json1_1.ts
@@ -2027,238 +2027,172 @@ const serializeAws_json1_1Address = (
   input: Address,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AddressId !== undefined) {
-    bodyParams["AddressId"] = input.AddressId;
-  }
-  if (input.City !== undefined) {
-    bodyParams["City"] = input.City;
-  }
-  if (input.Company !== undefined) {
-    bodyParams["Company"] = input.Company;
-  }
-  if (input.Country !== undefined) {
-    bodyParams["Country"] = input.Country;
-  }
-  if (input.IsRestricted !== undefined) {
-    bodyParams["IsRestricted"] = input.IsRestricted;
-  }
-  if (input.Landmark !== undefined) {
-    bodyParams["Landmark"] = input.Landmark;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.PhoneNumber !== undefined) {
-    bodyParams["PhoneNumber"] = input.PhoneNumber;
-  }
-  if (input.PostalCode !== undefined) {
-    bodyParams["PostalCode"] = input.PostalCode;
-  }
-  if (input.PrefectureOrDistrict !== undefined) {
-    bodyParams["PrefectureOrDistrict"] = input.PrefectureOrDistrict;
-  }
-  if (input.StateOrProvince !== undefined) {
-    bodyParams["StateOrProvince"] = input.StateOrProvince;
-  }
-  if (input.Street1 !== undefined) {
-    bodyParams["Street1"] = input.Street1;
-  }
-  if (input.Street2 !== undefined) {
-    bodyParams["Street2"] = input.Street2;
-  }
-  if (input.Street3 !== undefined) {
-    bodyParams["Street3"] = input.Street3;
-  }
-  return bodyParams;
+  return {
+    ...(input.AddressId !== undefined && { AddressId: input.AddressId }),
+    ...(input.City !== undefined && { City: input.City }),
+    ...(input.Company !== undefined && { Company: input.Company }),
+    ...(input.Country !== undefined && { Country: input.Country }),
+    ...(input.IsRestricted !== undefined && {
+      IsRestricted: input.IsRestricted
+    }),
+    ...(input.Landmark !== undefined && { Landmark: input.Landmark }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.PhoneNumber !== undefined && { PhoneNumber: input.PhoneNumber }),
+    ...(input.PostalCode !== undefined && { PostalCode: input.PostalCode }),
+    ...(input.PrefectureOrDistrict !== undefined && {
+      PrefectureOrDistrict: input.PrefectureOrDistrict
+    }),
+    ...(input.StateOrProvince !== undefined && {
+      StateOrProvince: input.StateOrProvince
+    }),
+    ...(input.Street1 !== undefined && { Street1: input.Street1 }),
+    ...(input.Street2 !== undefined && { Street2: input.Street2 }),
+    ...(input.Street3 !== undefined && { Street3: input.Street3 })
+  };
 };
 
 const serializeAws_json1_1CancelClusterRequest = (
   input: CancelClusterRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ClusterId !== undefined) {
-    bodyParams["ClusterId"] = input.ClusterId;
-  }
-  return bodyParams;
+  return {
+    ...(input.ClusterId !== undefined && { ClusterId: input.ClusterId })
+  };
 };
 
 const serializeAws_json1_1CancelJobRequest = (
   input: CancelJobRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.JobId !== undefined) {
-    bodyParams["JobId"] = input.JobId;
-  }
-  return bodyParams;
+  return {
+    ...(input.JobId !== undefined && { JobId: input.JobId })
+  };
 };
 
 const serializeAws_json1_1CreateAddressRequest = (
   input: CreateAddressRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Address !== undefined) {
-    bodyParams["Address"] = serializeAws_json1_1Address(input.Address, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.Address !== undefined && {
+      Address: serializeAws_json1_1Address(input.Address, context)
+    })
+  };
 };
 
 const serializeAws_json1_1CreateClusterRequest = (
   input: CreateClusterRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AddressId !== undefined) {
-    bodyParams["AddressId"] = input.AddressId;
-  }
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.ForwardingAddressId !== undefined) {
-    bodyParams["ForwardingAddressId"] = input.ForwardingAddressId;
-  }
-  if (input.JobType !== undefined) {
-    bodyParams["JobType"] = input.JobType;
-  }
-  if (input.KmsKeyARN !== undefined) {
-    bodyParams["KmsKeyARN"] = input.KmsKeyARN;
-  }
-  if (input.Notification !== undefined) {
-    bodyParams["Notification"] = serializeAws_json1_1Notification(
-      input.Notification,
-      context
-    );
-  }
-  if (input.Resources !== undefined) {
-    bodyParams["Resources"] = serializeAws_json1_1JobResource(
-      input.Resources,
-      context
-    );
-  }
-  if (input.RoleARN !== undefined) {
-    bodyParams["RoleARN"] = input.RoleARN;
-  }
-  if (input.ShippingOption !== undefined) {
-    bodyParams["ShippingOption"] = input.ShippingOption;
-  }
-  if (input.SnowballType !== undefined) {
-    bodyParams["SnowballType"] = input.SnowballType;
-  }
-  return bodyParams;
+  return {
+    ...(input.AddressId !== undefined && { AddressId: input.AddressId }),
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.ForwardingAddressId !== undefined && {
+      ForwardingAddressId: input.ForwardingAddressId
+    }),
+    ...(input.JobType !== undefined && { JobType: input.JobType }),
+    ...(input.KmsKeyARN !== undefined && { KmsKeyARN: input.KmsKeyARN }),
+    ...(input.Notification !== undefined && {
+      Notification: serializeAws_json1_1Notification(
+        input.Notification,
+        context
+      )
+    }),
+    ...(input.Resources !== undefined && {
+      Resources: serializeAws_json1_1JobResource(input.Resources, context)
+    }),
+    ...(input.RoleARN !== undefined && { RoleARN: input.RoleARN }),
+    ...(input.ShippingOption !== undefined && {
+      ShippingOption: input.ShippingOption
+    }),
+    ...(input.SnowballType !== undefined && {
+      SnowballType: input.SnowballType
+    })
+  };
 };
 
 const serializeAws_json1_1CreateJobRequest = (
   input: CreateJobRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AddressId !== undefined) {
-    bodyParams["AddressId"] = input.AddressId;
-  }
-  if (input.ClusterId !== undefined) {
-    bodyParams["ClusterId"] = input.ClusterId;
-  }
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.ForwardingAddressId !== undefined) {
-    bodyParams["ForwardingAddressId"] = input.ForwardingAddressId;
-  }
-  if (input.JobType !== undefined) {
-    bodyParams["JobType"] = input.JobType;
-  }
-  if (input.KmsKeyARN !== undefined) {
-    bodyParams["KmsKeyARN"] = input.KmsKeyARN;
-  }
-  if (input.Notification !== undefined) {
-    bodyParams["Notification"] = serializeAws_json1_1Notification(
-      input.Notification,
-      context
-    );
-  }
-  if (input.Resources !== undefined) {
-    bodyParams["Resources"] = serializeAws_json1_1JobResource(
-      input.Resources,
-      context
-    );
-  }
-  if (input.RoleARN !== undefined) {
-    bodyParams["RoleARN"] = input.RoleARN;
-  }
-  if (input.ShippingOption !== undefined) {
-    bodyParams["ShippingOption"] = input.ShippingOption;
-  }
-  if (input.SnowballCapacityPreference !== undefined) {
-    bodyParams["SnowballCapacityPreference"] = input.SnowballCapacityPreference;
-  }
-  if (input.SnowballType !== undefined) {
-    bodyParams["SnowballType"] = input.SnowballType;
-  }
-  return bodyParams;
+  return {
+    ...(input.AddressId !== undefined && { AddressId: input.AddressId }),
+    ...(input.ClusterId !== undefined && { ClusterId: input.ClusterId }),
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.ForwardingAddressId !== undefined && {
+      ForwardingAddressId: input.ForwardingAddressId
+    }),
+    ...(input.JobType !== undefined && { JobType: input.JobType }),
+    ...(input.KmsKeyARN !== undefined && { KmsKeyARN: input.KmsKeyARN }),
+    ...(input.Notification !== undefined && {
+      Notification: serializeAws_json1_1Notification(
+        input.Notification,
+        context
+      )
+    }),
+    ...(input.Resources !== undefined && {
+      Resources: serializeAws_json1_1JobResource(input.Resources, context)
+    }),
+    ...(input.RoleARN !== undefined && { RoleARN: input.RoleARN }),
+    ...(input.ShippingOption !== undefined && {
+      ShippingOption: input.ShippingOption
+    }),
+    ...(input.SnowballCapacityPreference !== undefined && {
+      SnowballCapacityPreference: input.SnowballCapacityPreference
+    }),
+    ...(input.SnowballType !== undefined && {
+      SnowballType: input.SnowballType
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeAddressRequest = (
   input: DescribeAddressRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AddressId !== undefined) {
-    bodyParams["AddressId"] = input.AddressId;
-  }
-  return bodyParams;
+  return {
+    ...(input.AddressId !== undefined && { AddressId: input.AddressId })
+  };
 };
 
 const serializeAws_json1_1DescribeAddressesRequest = (
   input: DescribeAddressesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1DescribeClusterRequest = (
   input: DescribeClusterRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ClusterId !== undefined) {
-    bodyParams["ClusterId"] = input.ClusterId;
-  }
-  return bodyParams;
+  return {
+    ...(input.ClusterId !== undefined && { ClusterId: input.ClusterId })
+  };
 };
 
 const serializeAws_json1_1DescribeJobRequest = (
   input: DescribeJobRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.JobId !== undefined) {
-    bodyParams["JobId"] = input.JobId;
-  }
-  return bodyParams;
+  return {
+    ...(input.JobId !== undefined && { JobId: input.JobId })
+  };
 };
 
 const serializeAws_json1_1Ec2AmiResource = (
   input: Ec2AmiResource,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AmiId !== undefined) {
-    bodyParams["AmiId"] = input.AmiId;
-  }
-  if (input.SnowballAmiId !== undefined) {
-    bodyParams["SnowballAmiId"] = input.SnowballAmiId;
-  }
-  return bodyParams;
+  return {
+    ...(input.AmiId !== undefined && { AmiId: input.AmiId }),
+    ...(input.SnowballAmiId !== undefined && {
+      SnowballAmiId: input.SnowballAmiId
+    })
+  };
 };
 
 const serializeAws_json1_1Ec2AmiResourceList = (
@@ -2272,11 +2206,11 @@ const serializeAws_json1_1EventTriggerDefinition = (
   input: EventTriggerDefinition,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EventResourceARN !== undefined) {
-    bodyParams["EventResourceARN"] = input.EventResourceARN;
-  }
-  return bodyParams;
+  return {
+    ...(input.EventResourceARN !== undefined && {
+      EventResourceARN: input.EventResourceARN
+    })
+  };
 };
 
 const serializeAws_json1_1EventTriggerDefinitionList = (
@@ -2292,67 +2226,60 @@ const serializeAws_json1_1GetJobManifestRequest = (
   input: GetJobManifestRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.JobId !== undefined) {
-    bodyParams["JobId"] = input.JobId;
-  }
-  return bodyParams;
+  return {
+    ...(input.JobId !== undefined && { JobId: input.JobId })
+  };
 };
 
 const serializeAws_json1_1GetJobUnlockCodeRequest = (
   input: GetJobUnlockCodeRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.JobId !== undefined) {
-    bodyParams["JobId"] = input.JobId;
-  }
-  return bodyParams;
+  return {
+    ...(input.JobId !== undefined && { JobId: input.JobId })
+  };
 };
 
 const serializeAws_json1_1GetSnowballUsageRequest = (
   input: GetSnowballUsageRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  return bodyParams;
+  return {};
 };
 
 const serializeAws_json1_1GetSoftwareUpdatesRequest = (
   input: GetSoftwareUpdatesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.JobId !== undefined) {
-    bodyParams["JobId"] = input.JobId;
-  }
-  return bodyParams;
+  return {
+    ...(input.JobId !== undefined && { JobId: input.JobId })
+  };
 };
 
 const serializeAws_json1_1JobResource = (
   input: JobResource,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Ec2AmiResources !== undefined) {
-    bodyParams["Ec2AmiResources"] = serializeAws_json1_1Ec2AmiResourceList(
-      input.Ec2AmiResources,
-      context
-    );
-  }
-  if (input.LambdaResources !== undefined) {
-    bodyParams["LambdaResources"] = serializeAws_json1_1LambdaResourceList(
-      input.LambdaResources,
-      context
-    );
-  }
-  if (input.S3Resources !== undefined) {
-    bodyParams["S3Resources"] = serializeAws_json1_1S3ResourceList(
-      input.S3Resources,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Ec2AmiResources !== undefined && {
+      Ec2AmiResources: serializeAws_json1_1Ec2AmiResourceList(
+        input.Ec2AmiResources,
+        context
+      )
+    }),
+    ...(input.LambdaResources !== undefined && {
+      LambdaResources: serializeAws_json1_1LambdaResourceList(
+        input.LambdaResources,
+        context
+      )
+    }),
+    ...(input.S3Resources !== undefined && {
+      S3Resources: serializeAws_json1_1S3ResourceList(
+        input.S3Resources,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1JobStateList = (
@@ -2366,33 +2293,25 @@ const serializeAws_json1_1KeyRange = (
   input: KeyRange,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.BeginMarker !== undefined) {
-    bodyParams["BeginMarker"] = input.BeginMarker;
-  }
-  if (input.EndMarker !== undefined) {
-    bodyParams["EndMarker"] = input.EndMarker;
-  }
-  return bodyParams;
+  return {
+    ...(input.BeginMarker !== undefined && { BeginMarker: input.BeginMarker }),
+    ...(input.EndMarker !== undefined && { EndMarker: input.EndMarker })
+  };
 };
 
 const serializeAws_json1_1LambdaResource = (
   input: LambdaResource,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EventTriggers !== undefined) {
-    bodyParams[
-      "EventTriggers"
-    ] = serializeAws_json1_1EventTriggerDefinitionList(
-      input.EventTriggers,
-      context
-    );
-  }
-  if (input.LambdaArn !== undefined) {
-    bodyParams["LambdaArn"] = input.LambdaArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.EventTriggers !== undefined && {
+      EventTriggers: serializeAws_json1_1EventTriggerDefinitionList(
+        input.EventTriggers,
+        context
+      )
+    }),
+    ...(input.LambdaArn !== undefined && { LambdaArn: input.LambdaArn })
+  };
 };
 
 const serializeAws_json1_1LambdaResourceList = (
@@ -2406,96 +2325,69 @@ const serializeAws_json1_1ListClusterJobsRequest = (
   input: ListClusterJobsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ClusterId !== undefined) {
-    bodyParams["ClusterId"] = input.ClusterId;
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.ClusterId !== undefined && { ClusterId: input.ClusterId }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1ListClustersRequest = (
   input: ListClustersRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1ListCompatibleImagesRequest = (
   input: ListCompatibleImagesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1ListJobsRequest = (
   input: ListJobsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1Notification = (
   input: Notification,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.JobStatesToNotify !== undefined) {
-    bodyParams["JobStatesToNotify"] = serializeAws_json1_1JobStateList(
-      input.JobStatesToNotify,
-      context
-    );
-  }
-  if (input.NotifyAll !== undefined) {
-    bodyParams["NotifyAll"] = input.NotifyAll;
-  }
-  if (input.SnsTopicARN !== undefined) {
-    bodyParams["SnsTopicARN"] = input.SnsTopicARN;
-  }
-  return bodyParams;
+  return {
+    ...(input.JobStatesToNotify !== undefined && {
+      JobStatesToNotify: serializeAws_json1_1JobStateList(
+        input.JobStatesToNotify,
+        context
+      )
+    }),
+    ...(input.NotifyAll !== undefined && { NotifyAll: input.NotifyAll }),
+    ...(input.SnsTopicARN !== undefined && { SnsTopicARN: input.SnsTopicARN })
+  };
 };
 
 const serializeAws_json1_1S3Resource = (
   input: S3Resource,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.BucketArn !== undefined) {
-    bodyParams["BucketArn"] = input.BucketArn;
-  }
-  if (input.KeyRange !== undefined) {
-    bodyParams["KeyRange"] = serializeAws_json1_1KeyRange(
-      input.KeyRange,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.BucketArn !== undefined && { BucketArn: input.BucketArn }),
+    ...(input.KeyRange !== undefined && {
+      KeyRange: serializeAws_json1_1KeyRange(input.KeyRange, context)
+    })
+  };
 };
 
 const serializeAws_json1_1S3ResourceList = (
@@ -2509,79 +2401,57 @@ const serializeAws_json1_1UpdateClusterRequest = (
   input: UpdateClusterRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AddressId !== undefined) {
-    bodyParams["AddressId"] = input.AddressId;
-  }
-  if (input.ClusterId !== undefined) {
-    bodyParams["ClusterId"] = input.ClusterId;
-  }
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.ForwardingAddressId !== undefined) {
-    bodyParams["ForwardingAddressId"] = input.ForwardingAddressId;
-  }
-  if (input.Notification !== undefined) {
-    bodyParams["Notification"] = serializeAws_json1_1Notification(
-      input.Notification,
-      context
-    );
-  }
-  if (input.Resources !== undefined) {
-    bodyParams["Resources"] = serializeAws_json1_1JobResource(
-      input.Resources,
-      context
-    );
-  }
-  if (input.RoleARN !== undefined) {
-    bodyParams["RoleARN"] = input.RoleARN;
-  }
-  if (input.ShippingOption !== undefined) {
-    bodyParams["ShippingOption"] = input.ShippingOption;
-  }
-  return bodyParams;
+  return {
+    ...(input.AddressId !== undefined && { AddressId: input.AddressId }),
+    ...(input.ClusterId !== undefined && { ClusterId: input.ClusterId }),
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.ForwardingAddressId !== undefined && {
+      ForwardingAddressId: input.ForwardingAddressId
+    }),
+    ...(input.Notification !== undefined && {
+      Notification: serializeAws_json1_1Notification(
+        input.Notification,
+        context
+      )
+    }),
+    ...(input.Resources !== undefined && {
+      Resources: serializeAws_json1_1JobResource(input.Resources, context)
+    }),
+    ...(input.RoleARN !== undefined && { RoleARN: input.RoleARN }),
+    ...(input.ShippingOption !== undefined && {
+      ShippingOption: input.ShippingOption
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateJobRequest = (
   input: UpdateJobRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AddressId !== undefined) {
-    bodyParams["AddressId"] = input.AddressId;
-  }
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.ForwardingAddressId !== undefined) {
-    bodyParams["ForwardingAddressId"] = input.ForwardingAddressId;
-  }
-  if (input.JobId !== undefined) {
-    bodyParams["JobId"] = input.JobId;
-  }
-  if (input.Notification !== undefined) {
-    bodyParams["Notification"] = serializeAws_json1_1Notification(
-      input.Notification,
-      context
-    );
-  }
-  if (input.Resources !== undefined) {
-    bodyParams["Resources"] = serializeAws_json1_1JobResource(
-      input.Resources,
-      context
-    );
-  }
-  if (input.RoleARN !== undefined) {
-    bodyParams["RoleARN"] = input.RoleARN;
-  }
-  if (input.ShippingOption !== undefined) {
-    bodyParams["ShippingOption"] = input.ShippingOption;
-  }
-  if (input.SnowballCapacityPreference !== undefined) {
-    bodyParams["SnowballCapacityPreference"] = input.SnowballCapacityPreference;
-  }
-  return bodyParams;
+  return {
+    ...(input.AddressId !== undefined && { AddressId: input.AddressId }),
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.ForwardingAddressId !== undefined && {
+      ForwardingAddressId: input.ForwardingAddressId
+    }),
+    ...(input.JobId !== undefined && { JobId: input.JobId }),
+    ...(input.Notification !== undefined && {
+      Notification: serializeAws_json1_1Notification(
+        input.Notification,
+        context
+      )
+    }),
+    ...(input.Resources !== undefined && {
+      Resources: serializeAws_json1_1JobResource(input.Resources, context)
+    }),
+    ...(input.RoleARN !== undefined && { RoleARN: input.RoleARN }),
+    ...(input.ShippingOption !== undefined && {
+      ShippingOption: input.ShippingOption
+    }),
+    ...(input.SnowballCapacityPreference !== undefined && {
+      SnowballCapacityPreference: input.SnowballCapacityPreference
+    })
+  };
 };
 
 const deserializeAws_json1_1Address = (
diff --git a/clients/client-ssm/protocols/Aws_json1_1.ts b/clients/client-ssm/protocols/Aws_json1_1.ts
index bdf5cc9ab892..75bce4d020f0 100644
--- a/clients/client-ssm/protocols/Aws_json1_1.ts
+++ b/clients/client-ssm/protocols/Aws_json1_1.ts
@@ -16138,34 +16138,26 @@ const serializeAws_json1_1AddTagsToResourceRequest = (
   input: AddTagsToResourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceId !== undefined) {
-    bodyParams["ResourceId"] = input.ResourceId;
-  }
-  if (input.ResourceType !== undefined) {
-    bodyParams["ResourceType"] = input.ResourceType;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagList(input.Tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceId !== undefined && { ResourceId: input.ResourceId }),
+    ...(input.ResourceType !== undefined && {
+      ResourceType: input.ResourceType
+    }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagList(input.Tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1AssociationExecutionFilter = (
   input: AssociationExecutionFilter,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Key !== undefined) {
-    bodyParams["Key"] = input.Key;
-  }
-  if (input.Type !== undefined) {
-    bodyParams["Type"] = input.Type;
-  }
-  if (input.Value !== undefined) {
-    bodyParams["Value"] = input.Value;
-  }
-  return bodyParams;
+  return {
+    ...(input.Key !== undefined && { Key: input.Key }),
+    ...(input.Type !== undefined && { Type: input.Type }),
+    ...(input.Value !== undefined && { Value: input.Value })
+  };
 };
 
 const serializeAws_json1_1AssociationExecutionFilterList = (
@@ -16181,14 +16173,10 @@ const serializeAws_json1_1AssociationExecutionTargetsFilter = (
   input: AssociationExecutionTargetsFilter,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Key !== undefined) {
-    bodyParams["Key"] = input.Key;
-  }
-  if (input.Value !== undefined) {
-    bodyParams["Value"] = input.Value;
-  }
-  return bodyParams;
+  return {
+    ...(input.Key !== undefined && { Key: input.Key }),
+    ...(input.Value !== undefined && { Value: input.Value })
+  };
 };
 
 const serializeAws_json1_1AssociationExecutionTargetsFilterList = (
@@ -16204,14 +16192,10 @@ const serializeAws_json1_1AssociationFilter = (
   input: AssociationFilter,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.key !== undefined) {
-    bodyParams["key"] = input.key;
-  }
-  if (input.value !== undefined) {
-    bodyParams["value"] = input.value;
-  }
-  return bodyParams;
+  return {
+    ...(input.key !== undefined && { key: input.key }),
+    ...(input.value !== undefined && { value: input.value })
+  };
 };
 
 const serializeAws_json1_1AssociationFilterList = (
@@ -16234,40 +16218,29 @@ const serializeAws_json1_1AssociationStatus = (
   input: AssociationStatus,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AdditionalInfo !== undefined) {
-    bodyParams["AdditionalInfo"] = input.AdditionalInfo;
-  }
-  if (input.Date !== undefined) {
-    bodyParams["Date"] = Math.round(input.Date.getTime() / 1000);
-  }
-  if (input.Message !== undefined) {
-    bodyParams["Message"] = input.Message;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.AdditionalInfo !== undefined && {
+      AdditionalInfo: input.AdditionalInfo
+    }),
+    ...(input.Date !== undefined && {
+      Date: Math.round(input.Date.getTime() / 1000)
+    }),
+    ...(input.Message !== undefined && { Message: input.Message }),
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1AttachmentsSource = (
   input: AttachmentsSource,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Key !== undefined) {
-    bodyParams["Key"] = input.Key;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.Values !== undefined) {
-    bodyParams["Values"] = serializeAws_json1_1AttachmentsSourceValues(
-      input.Values,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Key !== undefined && { Key: input.Key }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.Values !== undefined && {
+      Values: serializeAws_json1_1AttachmentsSourceValues(input.Values, context)
+    })
+  };
 };
 
 const serializeAws_json1_1AttachmentsSourceList = (
@@ -16290,19 +16263,15 @@ const serializeAws_json1_1AutomationExecutionFilter = (
   input: AutomationExecutionFilter,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Key !== undefined) {
-    bodyParams["Key"] = input.Key;
-  }
-  if (input.Values !== undefined) {
-    bodyParams[
-      "Values"
-    ] = serializeAws_json1_1AutomationExecutionFilterValueList(
-      input.Values,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Key !== undefined && { Key: input.Key }),
+    ...(input.Values !== undefined && {
+      Values: serializeAws_json1_1AutomationExecutionFilterValueList(
+        input.Values,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1AutomationExecutionFilterList = (
@@ -16352,56 +16321,50 @@ const serializeAws_json1_1CancelCommandRequest = (
   input: CancelCommandRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CommandId !== undefined) {
-    bodyParams["CommandId"] = input.CommandId;
-  }
-  if (input.InstanceIds !== undefined) {
-    bodyParams["InstanceIds"] = serializeAws_json1_1InstanceIdList(
-      input.InstanceIds,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.CommandId !== undefined && { CommandId: input.CommandId }),
+    ...(input.InstanceIds !== undefined && {
+      InstanceIds: serializeAws_json1_1InstanceIdList(
+        input.InstanceIds,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1CancelMaintenanceWindowExecutionRequest = (
   input: CancelMaintenanceWindowExecutionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.WindowExecutionId !== undefined) {
-    bodyParams["WindowExecutionId"] = input.WindowExecutionId;
-  }
-  return bodyParams;
+  return {
+    ...(input.WindowExecutionId !== undefined && {
+      WindowExecutionId: input.WindowExecutionId
+    })
+  };
 };
 
 const serializeAws_json1_1CloudWatchOutputConfig = (
   input: CloudWatchOutputConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CloudWatchLogGroupName !== undefined) {
-    bodyParams["CloudWatchLogGroupName"] = input.CloudWatchLogGroupName;
-  }
-  if (input.CloudWatchOutputEnabled !== undefined) {
-    bodyParams["CloudWatchOutputEnabled"] = input.CloudWatchOutputEnabled;
-  }
-  return bodyParams;
+  return {
+    ...(input.CloudWatchLogGroupName !== undefined && {
+      CloudWatchLogGroupName: input.CloudWatchLogGroupName
+    }),
+    ...(input.CloudWatchOutputEnabled !== undefined && {
+      CloudWatchOutputEnabled: input.CloudWatchOutputEnabled
+    })
+  };
 };
 
 const serializeAws_json1_1CommandFilter = (
   input: CommandFilter,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.key !== undefined) {
-    bodyParams["key"] = input.key;
-  }
-  if (input.value !== undefined) {
-    bodyParams["value"] = input.value;
-  }
-  return bodyParams;
+  return {
+    ...(input.key !== undefined && { key: input.key }),
+    ...(input.value !== undefined && { value: input.value })
+  };
 };
 
 const serializeAws_json1_1CommandFilterList = (
@@ -16415,19 +16378,15 @@ const serializeAws_json1_1ComplianceExecutionSummary = (
   input: ComplianceExecutionSummary,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ExecutionId !== undefined) {
-    bodyParams["ExecutionId"] = input.ExecutionId;
-  }
-  if (input.ExecutionTime !== undefined) {
-    bodyParams["ExecutionTime"] = Math.round(
-      input.ExecutionTime.getTime() / 1000
-    );
-  }
-  if (input.ExecutionType !== undefined) {
-    bodyParams["ExecutionType"] = input.ExecutionType;
-  }
-  return bodyParams;
+  return {
+    ...(input.ExecutionId !== undefined && { ExecutionId: input.ExecutionId }),
+    ...(input.ExecutionTime !== undefined && {
+      ExecutionTime: Math.round(input.ExecutionTime.getTime() / 1000)
+    }),
+    ...(input.ExecutionType !== undefined && {
+      ExecutionType: input.ExecutionType
+    })
+  };
 };
 
 const serializeAws_json1_1ComplianceItemDetails = (
@@ -16444,26 +16403,15 @@ const serializeAws_json1_1ComplianceItemEntry = (
   input: ComplianceItemEntry,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Details !== undefined) {
-    bodyParams["Details"] = serializeAws_json1_1ComplianceItemDetails(
-      input.Details,
-      context
-    );
-  }
-  if (input.Id !== undefined) {
-    bodyParams["Id"] = input.Id;
-  }
-  if (input.Severity !== undefined) {
-    bodyParams["Severity"] = input.Severity;
-  }
-  if (input.Status !== undefined) {
-    bodyParams["Status"] = input.Status;
-  }
-  if (input.Title !== undefined) {
-    bodyParams["Title"] = input.Title;
-  }
-  return bodyParams;
+  return {
+    ...(input.Details !== undefined && {
+      Details: serializeAws_json1_1ComplianceItemDetails(input.Details, context)
+    }),
+    ...(input.Id !== undefined && { Id: input.Id }),
+    ...(input.Severity !== undefined && { Severity: input.Severity }),
+    ...(input.Status !== undefined && { Status: input.Status }),
+    ...(input.Title !== undefined && { Title: input.Title })
+  };
 };
 
 const serializeAws_json1_1ComplianceItemEntryList = (
@@ -16493,20 +16441,16 @@ const serializeAws_json1_1ComplianceStringFilter = (
   input: ComplianceStringFilter,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Key !== undefined) {
-    bodyParams["Key"] = input.Key;
-  }
-  if (input.Type !== undefined) {
-    bodyParams["Type"] = input.Type;
-  }
-  if (input.Values !== undefined) {
-    bodyParams["Values"] = serializeAws_json1_1ComplianceStringFilterValueList(
-      input.Values,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Key !== undefined && { Key: input.Key }),
+    ...(input.Type !== undefined && { Type: input.Type }),
+    ...(input.Values !== undefined && {
+      Values: serializeAws_json1_1ComplianceStringFilterValueList(
+        input.Values,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1ComplianceStringFilterList = (
@@ -16529,44 +16473,36 @@ const serializeAws_json1_1CreateActivationRequest = (
   input: CreateActivationRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DefaultInstanceName !== undefined) {
-    bodyParams["DefaultInstanceName"] = input.DefaultInstanceName;
-  }
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.ExpirationDate !== undefined) {
-    bodyParams["ExpirationDate"] = Math.round(
-      input.ExpirationDate.getTime() / 1000
-    );
-  }
-  if (input.IamRole !== undefined) {
-    bodyParams["IamRole"] = input.IamRole;
-  }
-  if (input.RegistrationLimit !== undefined) {
-    bodyParams["RegistrationLimit"] = input.RegistrationLimit;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagList(input.Tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.DefaultInstanceName !== undefined && {
+      DefaultInstanceName: input.DefaultInstanceName
+    }),
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.ExpirationDate !== undefined && {
+      ExpirationDate: Math.round(input.ExpirationDate.getTime() / 1000)
+    }),
+    ...(input.IamRole !== undefined && { IamRole: input.IamRole }),
+    ...(input.RegistrationLimit !== undefined && {
+      RegistrationLimit: input.RegistrationLimit
+    }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagList(input.Tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1CreateAssociationBatchRequest = (
   input: CreateAssociationBatchRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Entries !== undefined) {
-    bodyParams[
-      "Entries"
-    ] = serializeAws_json1_1CreateAssociationBatchRequestEntries(
-      input.Entries,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Entries !== undefined && {
+      Entries: serializeAws_json1_1CreateAssociationBatchRequestEntries(
+        input.Entries,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1CreateAssociationBatchRequestEntries = (
@@ -16582,538 +16518,406 @@ const serializeAws_json1_1CreateAssociationBatchRequestEntry = (
   input: CreateAssociationBatchRequestEntry,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AssociationName !== undefined) {
-    bodyParams["AssociationName"] = input.AssociationName;
-  }
-  if (input.AutomationTargetParameterName !== undefined) {
-    bodyParams["AutomationTargetParameterName"] =
-      input.AutomationTargetParameterName;
-  }
-  if (input.ComplianceSeverity !== undefined) {
-    bodyParams["ComplianceSeverity"] = input.ComplianceSeverity;
-  }
-  if (input.DocumentVersion !== undefined) {
-    bodyParams["DocumentVersion"] = input.DocumentVersion;
-  }
-  if (input.InstanceId !== undefined) {
-    bodyParams["InstanceId"] = input.InstanceId;
-  }
-  if (input.MaxConcurrency !== undefined) {
-    bodyParams["MaxConcurrency"] = input.MaxConcurrency;
-  }
-  if (input.MaxErrors !== undefined) {
-    bodyParams["MaxErrors"] = input.MaxErrors;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.OutputLocation !== undefined) {
-    bodyParams[
-      "OutputLocation"
-    ] = serializeAws_json1_1InstanceAssociationOutputLocation(
-      input.OutputLocation,
-      context
-    );
-  }
-  if (input.Parameters !== undefined) {
-    bodyParams["Parameters"] = serializeAws_json1_1Parameters(
-      input.Parameters,
-      context
-    );
-  }
-  if (input.ScheduleExpression !== undefined) {
-    bodyParams["ScheduleExpression"] = input.ScheduleExpression;
-  }
-  if (input.Targets !== undefined) {
-    bodyParams["Targets"] = serializeAws_json1_1Targets(input.Targets, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.AssociationName !== undefined && {
+      AssociationName: input.AssociationName
+    }),
+    ...(input.AutomationTargetParameterName !== undefined && {
+      AutomationTargetParameterName: input.AutomationTargetParameterName
+    }),
+    ...(input.ComplianceSeverity !== undefined && {
+      ComplianceSeverity: input.ComplianceSeverity
+    }),
+    ...(input.DocumentVersion !== undefined && {
+      DocumentVersion: input.DocumentVersion
+    }),
+    ...(input.InstanceId !== undefined && { InstanceId: input.InstanceId }),
+    ...(input.MaxConcurrency !== undefined && {
+      MaxConcurrency: input.MaxConcurrency
+    }),
+    ...(input.MaxErrors !== undefined && { MaxErrors: input.MaxErrors }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.OutputLocation !== undefined && {
+      OutputLocation: serializeAws_json1_1InstanceAssociationOutputLocation(
+        input.OutputLocation,
+        context
+      )
+    }),
+    ...(input.Parameters !== undefined && {
+      Parameters: serializeAws_json1_1Parameters(input.Parameters, context)
+    }),
+    ...(input.ScheduleExpression !== undefined && {
+      ScheduleExpression: input.ScheduleExpression
+    }),
+    ...(input.Targets !== undefined && {
+      Targets: serializeAws_json1_1Targets(input.Targets, context)
+    })
+  };
 };
 
 const serializeAws_json1_1CreateAssociationRequest = (
   input: CreateAssociationRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AssociationName !== undefined) {
-    bodyParams["AssociationName"] = input.AssociationName;
-  }
-  if (input.AutomationTargetParameterName !== undefined) {
-    bodyParams["AutomationTargetParameterName"] =
-      input.AutomationTargetParameterName;
-  }
-  if (input.ComplianceSeverity !== undefined) {
-    bodyParams["ComplianceSeverity"] = input.ComplianceSeverity;
-  }
-  if (input.DocumentVersion !== undefined) {
-    bodyParams["DocumentVersion"] = input.DocumentVersion;
-  }
-  if (input.InstanceId !== undefined) {
-    bodyParams["InstanceId"] = input.InstanceId;
-  }
-  if (input.MaxConcurrency !== undefined) {
-    bodyParams["MaxConcurrency"] = input.MaxConcurrency;
-  }
-  if (input.MaxErrors !== undefined) {
-    bodyParams["MaxErrors"] = input.MaxErrors;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.OutputLocation !== undefined) {
-    bodyParams[
-      "OutputLocation"
-    ] = serializeAws_json1_1InstanceAssociationOutputLocation(
-      input.OutputLocation,
-      context
-    );
-  }
-  if (input.Parameters !== undefined) {
-    bodyParams["Parameters"] = serializeAws_json1_1Parameters(
-      input.Parameters,
-      context
-    );
-  }
-  if (input.ScheduleExpression !== undefined) {
-    bodyParams["ScheduleExpression"] = input.ScheduleExpression;
-  }
-  if (input.Targets !== undefined) {
-    bodyParams["Targets"] = serializeAws_json1_1Targets(input.Targets, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.AssociationName !== undefined && {
+      AssociationName: input.AssociationName
+    }),
+    ...(input.AutomationTargetParameterName !== undefined && {
+      AutomationTargetParameterName: input.AutomationTargetParameterName
+    }),
+    ...(input.ComplianceSeverity !== undefined && {
+      ComplianceSeverity: input.ComplianceSeverity
+    }),
+    ...(input.DocumentVersion !== undefined && {
+      DocumentVersion: input.DocumentVersion
+    }),
+    ...(input.InstanceId !== undefined && { InstanceId: input.InstanceId }),
+    ...(input.MaxConcurrency !== undefined && {
+      MaxConcurrency: input.MaxConcurrency
+    }),
+    ...(input.MaxErrors !== undefined && { MaxErrors: input.MaxErrors }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.OutputLocation !== undefined && {
+      OutputLocation: serializeAws_json1_1InstanceAssociationOutputLocation(
+        input.OutputLocation,
+        context
+      )
+    }),
+    ...(input.Parameters !== undefined && {
+      Parameters: serializeAws_json1_1Parameters(input.Parameters, context)
+    }),
+    ...(input.ScheduleExpression !== undefined && {
+      ScheduleExpression: input.ScheduleExpression
+    }),
+    ...(input.Targets !== undefined && {
+      Targets: serializeAws_json1_1Targets(input.Targets, context)
+    })
+  };
 };
 
 const serializeAws_json1_1CreateDocumentRequest = (
   input: CreateDocumentRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Attachments !== undefined) {
-    bodyParams["Attachments"] = serializeAws_json1_1AttachmentsSourceList(
-      input.Attachments,
-      context
-    );
-  }
-  if (input.Content !== undefined) {
-    bodyParams["Content"] = input.Content;
-  }
-  if (input.DocumentFormat !== undefined) {
-    bodyParams["DocumentFormat"] = input.DocumentFormat;
-  }
-  if (input.DocumentType !== undefined) {
-    bodyParams["DocumentType"] = input.DocumentType;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.Requires !== undefined) {
-    bodyParams["Requires"] = serializeAws_json1_1DocumentRequiresList(
-      input.Requires,
-      context
-    );
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagList(input.Tags, context);
-  }
-  if (input.TargetType !== undefined) {
-    bodyParams["TargetType"] = input.TargetType;
-  }
-  if (input.VersionName !== undefined) {
-    bodyParams["VersionName"] = input.VersionName;
-  }
-  return bodyParams;
+  return {
+    ...(input.Attachments !== undefined && {
+      Attachments: serializeAws_json1_1AttachmentsSourceList(
+        input.Attachments,
+        context
+      )
+    }),
+    ...(input.Content !== undefined && { Content: input.Content }),
+    ...(input.DocumentFormat !== undefined && {
+      DocumentFormat: input.DocumentFormat
+    }),
+    ...(input.DocumentType !== undefined && {
+      DocumentType: input.DocumentType
+    }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.Requires !== undefined && {
+      Requires: serializeAws_json1_1DocumentRequiresList(
+        input.Requires,
+        context
+      )
+    }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagList(input.Tags, context)
+    }),
+    ...(input.TargetType !== undefined && { TargetType: input.TargetType }),
+    ...(input.VersionName !== undefined && { VersionName: input.VersionName })
+  };
 };
 
 const serializeAws_json1_1CreateMaintenanceWindowRequest = (
   input: CreateMaintenanceWindowRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AllowUnassociatedTargets !== undefined) {
-    bodyParams["AllowUnassociatedTargets"] = input.AllowUnassociatedTargets;
-  }
-  if (input.ClientToken === undefined) {
-    input.ClientToken = generateIdempotencyToken();
-  }
-  if (input.ClientToken !== undefined) {
-    bodyParams["ClientToken"] = input.ClientToken;
-  }
-  if (input.Cutoff !== undefined) {
-    bodyParams["Cutoff"] = input.Cutoff;
-  }
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.Duration !== undefined) {
-    bodyParams["Duration"] = input.Duration;
-  }
-  if (input.EndDate !== undefined) {
-    bodyParams["EndDate"] = input.EndDate;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.Schedule !== undefined) {
-    bodyParams["Schedule"] = input.Schedule;
-  }
-  if (input.ScheduleTimezone !== undefined) {
-    bodyParams["ScheduleTimezone"] = input.ScheduleTimezone;
-  }
-  if (input.StartDate !== undefined) {
-    bodyParams["StartDate"] = input.StartDate;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagList(input.Tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.AllowUnassociatedTargets !== undefined && {
+      AllowUnassociatedTargets: input.AllowUnassociatedTargets
+    }),
+    ClientToken: input.ClientToken ?? generateIdempotencyToken(),
+    ...(input.Cutoff !== undefined && { Cutoff: input.Cutoff }),
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.Duration !== undefined && { Duration: input.Duration }),
+    ...(input.EndDate !== undefined && { EndDate: input.EndDate }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.Schedule !== undefined && { Schedule: input.Schedule }),
+    ...(input.ScheduleTimezone !== undefined && {
+      ScheduleTimezone: input.ScheduleTimezone
+    }),
+    ...(input.StartDate !== undefined && { StartDate: input.StartDate }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagList(input.Tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1CreateOpsItemRequest = (
   input: CreateOpsItemRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Category !== undefined) {
-    bodyParams["Category"] = input.Category;
-  }
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.Notifications !== undefined) {
-    bodyParams["Notifications"] = serializeAws_json1_1OpsItemNotifications(
-      input.Notifications,
-      context
-    );
-  }
-  if (input.OperationalData !== undefined) {
-    bodyParams["OperationalData"] = serializeAws_json1_1OpsItemOperationalData(
-      input.OperationalData,
-      context
-    );
-  }
-  if (input.Priority !== undefined) {
-    bodyParams["Priority"] = input.Priority;
-  }
-  if (input.RelatedOpsItems !== undefined) {
-    bodyParams["RelatedOpsItems"] = serializeAws_json1_1RelatedOpsItems(
-      input.RelatedOpsItems,
-      context
-    );
-  }
-  if (input.Severity !== undefined) {
-    bodyParams["Severity"] = input.Severity;
-  }
-  if (input.Source !== undefined) {
-    bodyParams["Source"] = input.Source;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagList(input.Tags, context);
-  }
-  if (input.Title !== undefined) {
-    bodyParams["Title"] = input.Title;
-  }
-  return bodyParams;
+  return {
+    ...(input.Category !== undefined && { Category: input.Category }),
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.Notifications !== undefined && {
+      Notifications: serializeAws_json1_1OpsItemNotifications(
+        input.Notifications,
+        context
+      )
+    }),
+    ...(input.OperationalData !== undefined && {
+      OperationalData: serializeAws_json1_1OpsItemOperationalData(
+        input.OperationalData,
+        context
+      )
+    }),
+    ...(input.Priority !== undefined && { Priority: input.Priority }),
+    ...(input.RelatedOpsItems !== undefined && {
+      RelatedOpsItems: serializeAws_json1_1RelatedOpsItems(
+        input.RelatedOpsItems,
+        context
+      )
+    }),
+    ...(input.Severity !== undefined && { Severity: input.Severity }),
+    ...(input.Source !== undefined && { Source: input.Source }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagList(input.Tags, context)
+    }),
+    ...(input.Title !== undefined && { Title: input.Title })
+  };
 };
 
 const serializeAws_json1_1CreatePatchBaselineRequest = (
   input: CreatePatchBaselineRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ApprovalRules !== undefined) {
-    bodyParams["ApprovalRules"] = serializeAws_json1_1PatchRuleGroup(
-      input.ApprovalRules,
-      context
-    );
-  }
-  if (input.ApprovedPatches !== undefined) {
-    bodyParams["ApprovedPatches"] = serializeAws_json1_1PatchIdList(
-      input.ApprovedPatches,
-      context
-    );
-  }
-  if (input.ApprovedPatchesComplianceLevel !== undefined) {
-    bodyParams["ApprovedPatchesComplianceLevel"] =
-      input.ApprovedPatchesComplianceLevel;
-  }
-  if (input.ApprovedPatchesEnableNonSecurity !== undefined) {
-    bodyParams["ApprovedPatchesEnableNonSecurity"] =
-      input.ApprovedPatchesEnableNonSecurity;
-  }
-  if (input.ClientToken === undefined) {
-    input.ClientToken = generateIdempotencyToken();
-  }
-  if (input.ClientToken !== undefined) {
-    bodyParams["ClientToken"] = input.ClientToken;
-  }
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.GlobalFilters !== undefined) {
-    bodyParams["GlobalFilters"] = serializeAws_json1_1PatchFilterGroup(
-      input.GlobalFilters,
-      context
-    );
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.OperatingSystem !== undefined) {
-    bodyParams["OperatingSystem"] = input.OperatingSystem;
-  }
-  if (input.RejectedPatches !== undefined) {
-    bodyParams["RejectedPatches"] = serializeAws_json1_1PatchIdList(
-      input.RejectedPatches,
-      context
-    );
-  }
-  if (input.RejectedPatchesAction !== undefined) {
-    bodyParams["RejectedPatchesAction"] = input.RejectedPatchesAction;
-  }
-  if (input.Sources !== undefined) {
-    bodyParams["Sources"] = serializeAws_json1_1PatchSourceList(
-      input.Sources,
-      context
-    );
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagList(input.Tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.ApprovalRules !== undefined && {
+      ApprovalRules: serializeAws_json1_1PatchRuleGroup(
+        input.ApprovalRules,
+        context
+      )
+    }),
+    ...(input.ApprovedPatches !== undefined && {
+      ApprovedPatches: serializeAws_json1_1PatchIdList(
+        input.ApprovedPatches,
+        context
+      )
+    }),
+    ...(input.ApprovedPatchesComplianceLevel !== undefined && {
+      ApprovedPatchesComplianceLevel: input.ApprovedPatchesComplianceLevel
+    }),
+    ...(input.ApprovedPatchesEnableNonSecurity !== undefined && {
+      ApprovedPatchesEnableNonSecurity: input.ApprovedPatchesEnableNonSecurity
+    }),
+    ClientToken: input.ClientToken ?? generateIdempotencyToken(),
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.GlobalFilters !== undefined && {
+      GlobalFilters: serializeAws_json1_1PatchFilterGroup(
+        input.GlobalFilters,
+        context
+      )
+    }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.OperatingSystem !== undefined && {
+      OperatingSystem: input.OperatingSystem
+    }),
+    ...(input.RejectedPatches !== undefined && {
+      RejectedPatches: serializeAws_json1_1PatchIdList(
+        input.RejectedPatches,
+        context
+      )
+    }),
+    ...(input.RejectedPatchesAction !== undefined && {
+      RejectedPatchesAction: input.RejectedPatchesAction
+    }),
+    ...(input.Sources !== undefined && {
+      Sources: serializeAws_json1_1PatchSourceList(input.Sources, context)
+    }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagList(input.Tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1CreateResourceDataSyncRequest = (
   input: CreateResourceDataSyncRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.S3Destination !== undefined) {
-    bodyParams[
-      "S3Destination"
-    ] = serializeAws_json1_1ResourceDataSyncS3Destination(
-      input.S3Destination,
-      context
-    );
-  }
-  if (input.SyncName !== undefined) {
-    bodyParams["SyncName"] = input.SyncName;
-  }
-  if (input.SyncSource !== undefined) {
-    bodyParams["SyncSource"] = serializeAws_json1_1ResourceDataSyncSource(
-      input.SyncSource,
-      context
-    );
-  }
-  if (input.SyncType !== undefined) {
-    bodyParams["SyncType"] = input.SyncType;
-  }
-  return bodyParams;
+  return {
+    ...(input.S3Destination !== undefined && {
+      S3Destination: serializeAws_json1_1ResourceDataSyncS3Destination(
+        input.S3Destination,
+        context
+      )
+    }),
+    ...(input.SyncName !== undefined && { SyncName: input.SyncName }),
+    ...(input.SyncSource !== undefined && {
+      SyncSource: serializeAws_json1_1ResourceDataSyncSource(
+        input.SyncSource,
+        context
+      )
+    }),
+    ...(input.SyncType !== undefined && { SyncType: input.SyncType })
+  };
 };
 
 const serializeAws_json1_1DeleteActivationRequest = (
   input: DeleteActivationRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ActivationId !== undefined) {
-    bodyParams["ActivationId"] = input.ActivationId;
-  }
-  return bodyParams;
+  return {
+    ...(input.ActivationId !== undefined && {
+      ActivationId: input.ActivationId
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteAssociationRequest = (
   input: DeleteAssociationRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AssociationId !== undefined) {
-    bodyParams["AssociationId"] = input.AssociationId;
-  }
-  if (input.InstanceId !== undefined) {
-    bodyParams["InstanceId"] = input.InstanceId;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.AssociationId !== undefined && {
+      AssociationId: input.AssociationId
+    }),
+    ...(input.InstanceId !== undefined && { InstanceId: input.InstanceId }),
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1DeleteDocumentRequest = (
   input: DeleteDocumentRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DocumentVersion !== undefined) {
-    bodyParams["DocumentVersion"] = input.DocumentVersion;
-  }
-  if (input.Force !== undefined) {
-    bodyParams["Force"] = input.Force;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.VersionName !== undefined) {
-    bodyParams["VersionName"] = input.VersionName;
-  }
-  return bodyParams;
+  return {
+    ...(input.DocumentVersion !== undefined && {
+      DocumentVersion: input.DocumentVersion
+    }),
+    ...(input.Force !== undefined && { Force: input.Force }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.VersionName !== undefined && { VersionName: input.VersionName })
+  };
 };
 
 const serializeAws_json1_1DeleteInventoryRequest = (
   input: DeleteInventoryRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ClientToken === undefined) {
-    input.ClientToken = generateIdempotencyToken();
-  }
-  if (input.ClientToken !== undefined) {
-    bodyParams["ClientToken"] = input.ClientToken;
-  }
-  if (input.DryRun !== undefined) {
-    bodyParams["DryRun"] = input.DryRun;
-  }
-  if (input.SchemaDeleteOption !== undefined) {
-    bodyParams["SchemaDeleteOption"] = input.SchemaDeleteOption;
-  }
-  if (input.TypeName !== undefined) {
-    bodyParams["TypeName"] = input.TypeName;
-  }
-  return bodyParams;
+  return {
+    ClientToken: input.ClientToken ?? generateIdempotencyToken(),
+    ...(input.DryRun !== undefined && { DryRun: input.DryRun }),
+    ...(input.SchemaDeleteOption !== undefined && {
+      SchemaDeleteOption: input.SchemaDeleteOption
+    }),
+    ...(input.TypeName !== undefined && { TypeName: input.TypeName })
+  };
 };
 
 const serializeAws_json1_1DeleteMaintenanceWindowRequest = (
   input: DeleteMaintenanceWindowRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.WindowId !== undefined) {
-    bodyParams["WindowId"] = input.WindowId;
-  }
-  return bodyParams;
+  return {
+    ...(input.WindowId !== undefined && { WindowId: input.WindowId })
+  };
 };
 
 const serializeAws_json1_1DeleteParameterRequest = (
   input: DeleteParameterRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1DeleteParametersRequest = (
   input: DeleteParametersRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Names !== undefined) {
-    bodyParams["Names"] = serializeAws_json1_1ParameterNameList(
-      input.Names,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Names !== undefined && {
+      Names: serializeAws_json1_1ParameterNameList(input.Names, context)
+    })
+  };
 };
 
 const serializeAws_json1_1DeletePatchBaselineRequest = (
   input: DeletePatchBaselineRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.BaselineId !== undefined) {
-    bodyParams["BaselineId"] = input.BaselineId;
-  }
-  return bodyParams;
+  return {
+    ...(input.BaselineId !== undefined && { BaselineId: input.BaselineId })
+  };
 };
 
 const serializeAws_json1_1DeleteResourceDataSyncRequest = (
   input: DeleteResourceDataSyncRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.SyncName !== undefined) {
-    bodyParams["SyncName"] = input.SyncName;
-  }
-  if (input.SyncType !== undefined) {
-    bodyParams["SyncType"] = input.SyncType;
-  }
-  return bodyParams;
+  return {
+    ...(input.SyncName !== undefined && { SyncName: input.SyncName }),
+    ...(input.SyncType !== undefined && { SyncType: input.SyncType })
+  };
 };
 
 const serializeAws_json1_1DeregisterManagedInstanceRequest = (
   input: DeregisterManagedInstanceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.InstanceId !== undefined) {
-    bodyParams["InstanceId"] = input.InstanceId;
-  }
-  return bodyParams;
+  return {
+    ...(input.InstanceId !== undefined && { InstanceId: input.InstanceId })
+  };
 };
 
 const serializeAws_json1_1DeregisterPatchBaselineForPatchGroupRequest = (
   input: DeregisterPatchBaselineForPatchGroupRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.BaselineId !== undefined) {
-    bodyParams["BaselineId"] = input.BaselineId;
-  }
-  if (input.PatchGroup !== undefined) {
-    bodyParams["PatchGroup"] = input.PatchGroup;
-  }
-  return bodyParams;
+  return {
+    ...(input.BaselineId !== undefined && { BaselineId: input.BaselineId }),
+    ...(input.PatchGroup !== undefined && { PatchGroup: input.PatchGroup })
+  };
 };
 
 const serializeAws_json1_1DeregisterTargetFromMaintenanceWindowRequest = (
   input: DeregisterTargetFromMaintenanceWindowRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Safe !== undefined) {
-    bodyParams["Safe"] = input.Safe;
-  }
-  if (input.WindowId !== undefined) {
-    bodyParams["WindowId"] = input.WindowId;
-  }
-  if (input.WindowTargetId !== undefined) {
-    bodyParams["WindowTargetId"] = input.WindowTargetId;
-  }
-  return bodyParams;
+  return {
+    ...(input.Safe !== undefined && { Safe: input.Safe }),
+    ...(input.WindowId !== undefined && { WindowId: input.WindowId }),
+    ...(input.WindowTargetId !== undefined && {
+      WindowTargetId: input.WindowTargetId
+    })
+  };
 };
 
 const serializeAws_json1_1DeregisterTaskFromMaintenanceWindowRequest = (
   input: DeregisterTaskFromMaintenanceWindowRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.WindowId !== undefined) {
-    bodyParams["WindowId"] = input.WindowId;
-  }
-  if (input.WindowTaskId !== undefined) {
-    bodyParams["WindowTaskId"] = input.WindowTaskId;
-  }
-  return bodyParams;
+  return {
+    ...(input.WindowId !== undefined && { WindowId: input.WindowId }),
+    ...(input.WindowTaskId !== undefined && {
+      WindowTaskId: input.WindowTaskId
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeActivationsFilter = (
   input: DescribeActivationsFilter,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.FilterKey !== undefined) {
-    bodyParams["FilterKey"] = input.FilterKey;
-  }
-  if (input.FilterValues !== undefined) {
-    bodyParams["FilterValues"] = serializeAws_json1_1StringList(
-      input.FilterValues,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.FilterKey !== undefined && { FilterKey: input.FilterKey }),
+    ...(input.FilterValues !== undefined && {
+      FilterValues: serializeAws_json1_1StringList(input.FilterValues, context)
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeActivationsFilterList = (
@@ -17129,698 +16933,526 @@ const serializeAws_json1_1DescribeActivationsRequest = (
   input: DescribeActivationsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Filters !== undefined) {
-    bodyParams["Filters"] = serializeAws_json1_1DescribeActivationsFilterList(
-      input.Filters,
-      context
-    );
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.Filters !== undefined && {
+      Filters: serializeAws_json1_1DescribeActivationsFilterList(
+        input.Filters,
+        context
+      )
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1DescribeAssociationExecutionTargetsRequest = (
   input: DescribeAssociationExecutionTargetsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AssociationId !== undefined) {
-    bodyParams["AssociationId"] = input.AssociationId;
-  }
-  if (input.ExecutionId !== undefined) {
-    bodyParams["ExecutionId"] = input.ExecutionId;
-  }
-  if (input.Filters !== undefined) {
-    bodyParams[
-      "Filters"
-    ] = serializeAws_json1_1AssociationExecutionTargetsFilterList(
-      input.Filters,
-      context
-    );
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.AssociationId !== undefined && {
+      AssociationId: input.AssociationId
+    }),
+    ...(input.ExecutionId !== undefined && { ExecutionId: input.ExecutionId }),
+    ...(input.Filters !== undefined && {
+      Filters: serializeAws_json1_1AssociationExecutionTargetsFilterList(
+        input.Filters,
+        context
+      )
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1DescribeAssociationExecutionsRequest = (
   input: DescribeAssociationExecutionsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AssociationId !== undefined) {
-    bodyParams["AssociationId"] = input.AssociationId;
-  }
-  if (input.Filters !== undefined) {
-    bodyParams["Filters"] = serializeAws_json1_1AssociationExecutionFilterList(
-      input.Filters,
-      context
-    );
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.AssociationId !== undefined && {
+      AssociationId: input.AssociationId
+    }),
+    ...(input.Filters !== undefined && {
+      Filters: serializeAws_json1_1AssociationExecutionFilterList(
+        input.Filters,
+        context
+      )
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1DescribeAssociationRequest = (
   input: DescribeAssociationRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AssociationId !== undefined) {
-    bodyParams["AssociationId"] = input.AssociationId;
-  }
-  if (input.AssociationVersion !== undefined) {
-    bodyParams["AssociationVersion"] = input.AssociationVersion;
-  }
-  if (input.InstanceId !== undefined) {
-    bodyParams["InstanceId"] = input.InstanceId;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.AssociationId !== undefined && {
+      AssociationId: input.AssociationId
+    }),
+    ...(input.AssociationVersion !== undefined && {
+      AssociationVersion: input.AssociationVersion
+    }),
+    ...(input.InstanceId !== undefined && { InstanceId: input.InstanceId }),
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1DescribeAutomationExecutionsRequest = (
   input: DescribeAutomationExecutionsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Filters !== undefined) {
-    bodyParams["Filters"] = serializeAws_json1_1AutomationExecutionFilterList(
-      input.Filters,
-      context
-    );
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.Filters !== undefined && {
+      Filters: serializeAws_json1_1AutomationExecutionFilterList(
+        input.Filters,
+        context
+      )
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1DescribeAutomationStepExecutionsRequest = (
   input: DescribeAutomationStepExecutionsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AutomationExecutionId !== undefined) {
-    bodyParams["AutomationExecutionId"] = input.AutomationExecutionId;
-  }
-  if (input.Filters !== undefined) {
-    bodyParams["Filters"] = serializeAws_json1_1StepExecutionFilterList(
-      input.Filters,
-      context
-    );
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.ReverseOrder !== undefined) {
-    bodyParams["ReverseOrder"] = input.ReverseOrder;
-  }
-  return bodyParams;
+  return {
+    ...(input.AutomationExecutionId !== undefined && {
+      AutomationExecutionId: input.AutomationExecutionId
+    }),
+    ...(input.Filters !== undefined && {
+      Filters: serializeAws_json1_1StepExecutionFilterList(
+        input.Filters,
+        context
+      )
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.ReverseOrder !== undefined && {
+      ReverseOrder: input.ReverseOrder
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeAvailablePatchesRequest = (
   input: DescribeAvailablePatchesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Filters !== undefined) {
-    bodyParams["Filters"] = serializeAws_json1_1PatchOrchestratorFilterList(
-      input.Filters,
-      context
-    );
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.Filters !== undefined && {
+      Filters: serializeAws_json1_1PatchOrchestratorFilterList(
+        input.Filters,
+        context
+      )
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1DescribeDocumentPermissionRequest = (
   input: DescribeDocumentPermissionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.PermissionType !== undefined) {
-    bodyParams["PermissionType"] = input.PermissionType;
-  }
-  return bodyParams;
+  return {
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.PermissionType !== undefined && {
+      PermissionType: input.PermissionType
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeDocumentRequest = (
   input: DescribeDocumentRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DocumentVersion !== undefined) {
-    bodyParams["DocumentVersion"] = input.DocumentVersion;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.VersionName !== undefined) {
-    bodyParams["VersionName"] = input.VersionName;
-  }
-  return bodyParams;
+  return {
+    ...(input.DocumentVersion !== undefined && {
+      DocumentVersion: input.DocumentVersion
+    }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.VersionName !== undefined && { VersionName: input.VersionName })
+  };
 };
 
 const serializeAws_json1_1DescribeEffectiveInstanceAssociationsRequest = (
   input: DescribeEffectiveInstanceAssociationsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.InstanceId !== undefined) {
-    bodyParams["InstanceId"] = input.InstanceId;
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.InstanceId !== undefined && { InstanceId: input.InstanceId }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1DescribeEffectivePatchesForPatchBaselineRequest = (
   input: DescribeEffectivePatchesForPatchBaselineRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.BaselineId !== undefined) {
-    bodyParams["BaselineId"] = input.BaselineId;
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.BaselineId !== undefined && { BaselineId: input.BaselineId }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1DescribeInstanceAssociationsStatusRequest = (
   input: DescribeInstanceAssociationsStatusRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.InstanceId !== undefined) {
-    bodyParams["InstanceId"] = input.InstanceId;
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.InstanceId !== undefined && { InstanceId: input.InstanceId }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1DescribeInstanceInformationRequest = (
   input: DescribeInstanceInformationRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Filters !== undefined) {
-    bodyParams[
-      "Filters"
-    ] = serializeAws_json1_1InstanceInformationStringFilterList(
-      input.Filters,
-      context
-    );
-  }
-  if (input.InstanceInformationFilterList !== undefined) {
-    bodyParams[
-      "InstanceInformationFilterList"
-    ] = serializeAws_json1_1InstanceInformationFilterList(
-      input.InstanceInformationFilterList,
-      context
-    );
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.Filters !== undefined && {
+      Filters: serializeAws_json1_1InstanceInformationStringFilterList(
+        input.Filters,
+        context
+      )
+    }),
+    ...(input.InstanceInformationFilterList !== undefined && {
+      InstanceInformationFilterList: serializeAws_json1_1InstanceInformationFilterList(
+        input.InstanceInformationFilterList,
+        context
+      )
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1DescribeInstancePatchStatesForPatchGroupRequest = (
   input: DescribeInstancePatchStatesForPatchGroupRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Filters !== undefined) {
-    bodyParams["Filters"] = serializeAws_json1_1InstancePatchStateFilterList(
-      input.Filters,
-      context
-    );
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.PatchGroup !== undefined) {
-    bodyParams["PatchGroup"] = input.PatchGroup;
-  }
-  return bodyParams;
+  return {
+    ...(input.Filters !== undefined && {
+      Filters: serializeAws_json1_1InstancePatchStateFilterList(
+        input.Filters,
+        context
+      )
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.PatchGroup !== undefined && { PatchGroup: input.PatchGroup })
+  };
 };
 
 const serializeAws_json1_1DescribeInstancePatchStatesRequest = (
   input: DescribeInstancePatchStatesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.InstanceIds !== undefined) {
-    bodyParams["InstanceIds"] = serializeAws_json1_1InstanceIdList(
-      input.InstanceIds,
-      context
-    );
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.InstanceIds !== undefined && {
+      InstanceIds: serializeAws_json1_1InstanceIdList(
+        input.InstanceIds,
+        context
+      )
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1DescribeInstancePatchesRequest = (
   input: DescribeInstancePatchesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Filters !== undefined) {
-    bodyParams["Filters"] = serializeAws_json1_1PatchOrchestratorFilterList(
-      input.Filters,
-      context
-    );
-  }
-  if (input.InstanceId !== undefined) {
-    bodyParams["InstanceId"] = input.InstanceId;
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.Filters !== undefined && {
+      Filters: serializeAws_json1_1PatchOrchestratorFilterList(
+        input.Filters,
+        context
+      )
+    }),
+    ...(input.InstanceId !== undefined && { InstanceId: input.InstanceId }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1DescribeInventoryDeletionsRequest = (
   input: DescribeInventoryDeletionsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DeletionId !== undefined) {
-    bodyParams["DeletionId"] = input.DeletionId;
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.DeletionId !== undefined && { DeletionId: input.DeletionId }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1DescribeMaintenanceWindowExecutionTaskInvocationsRequest = (
   input: DescribeMaintenanceWindowExecutionTaskInvocationsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Filters !== undefined) {
-    bodyParams["Filters"] = serializeAws_json1_1MaintenanceWindowFilterList(
-      input.Filters,
-      context
-    );
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.TaskId !== undefined) {
-    bodyParams["TaskId"] = input.TaskId;
-  }
-  if (input.WindowExecutionId !== undefined) {
-    bodyParams["WindowExecutionId"] = input.WindowExecutionId;
-  }
-  return bodyParams;
+  return {
+    ...(input.Filters !== undefined && {
+      Filters: serializeAws_json1_1MaintenanceWindowFilterList(
+        input.Filters,
+        context
+      )
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.TaskId !== undefined && { TaskId: input.TaskId }),
+    ...(input.WindowExecutionId !== undefined && {
+      WindowExecutionId: input.WindowExecutionId
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeMaintenanceWindowExecutionTasksRequest = (
   input: DescribeMaintenanceWindowExecutionTasksRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Filters !== undefined) {
-    bodyParams["Filters"] = serializeAws_json1_1MaintenanceWindowFilterList(
-      input.Filters,
-      context
-    );
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.WindowExecutionId !== undefined) {
-    bodyParams["WindowExecutionId"] = input.WindowExecutionId;
-  }
-  return bodyParams;
+  return {
+    ...(input.Filters !== undefined && {
+      Filters: serializeAws_json1_1MaintenanceWindowFilterList(
+        input.Filters,
+        context
+      )
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.WindowExecutionId !== undefined && {
+      WindowExecutionId: input.WindowExecutionId
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeMaintenanceWindowExecutionsRequest = (
   input: DescribeMaintenanceWindowExecutionsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Filters !== undefined) {
-    bodyParams["Filters"] = serializeAws_json1_1MaintenanceWindowFilterList(
-      input.Filters,
-      context
-    );
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.WindowId !== undefined) {
-    bodyParams["WindowId"] = input.WindowId;
-  }
-  return bodyParams;
+  return {
+    ...(input.Filters !== undefined && {
+      Filters: serializeAws_json1_1MaintenanceWindowFilterList(
+        input.Filters,
+        context
+      )
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.WindowId !== undefined && { WindowId: input.WindowId })
+  };
 };
 
 const serializeAws_json1_1DescribeMaintenanceWindowScheduleRequest = (
   input: DescribeMaintenanceWindowScheduleRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Filters !== undefined) {
-    bodyParams["Filters"] = serializeAws_json1_1PatchOrchestratorFilterList(
-      input.Filters,
-      context
-    );
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.ResourceType !== undefined) {
-    bodyParams["ResourceType"] = input.ResourceType;
-  }
-  if (input.Targets !== undefined) {
-    bodyParams["Targets"] = serializeAws_json1_1Targets(input.Targets, context);
-  }
-  if (input.WindowId !== undefined) {
-    bodyParams["WindowId"] = input.WindowId;
-  }
-  return bodyParams;
+  return {
+    ...(input.Filters !== undefined && {
+      Filters: serializeAws_json1_1PatchOrchestratorFilterList(
+        input.Filters,
+        context
+      )
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.ResourceType !== undefined && {
+      ResourceType: input.ResourceType
+    }),
+    ...(input.Targets !== undefined && {
+      Targets: serializeAws_json1_1Targets(input.Targets, context)
+    }),
+    ...(input.WindowId !== undefined && { WindowId: input.WindowId })
+  };
 };
 
 const serializeAws_json1_1DescribeMaintenanceWindowTargetsRequest = (
   input: DescribeMaintenanceWindowTargetsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Filters !== undefined) {
-    bodyParams["Filters"] = serializeAws_json1_1MaintenanceWindowFilterList(
-      input.Filters,
-      context
-    );
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.WindowId !== undefined) {
-    bodyParams["WindowId"] = input.WindowId;
-  }
-  return bodyParams;
+  return {
+    ...(input.Filters !== undefined && {
+      Filters: serializeAws_json1_1MaintenanceWindowFilterList(
+        input.Filters,
+        context
+      )
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.WindowId !== undefined && { WindowId: input.WindowId })
+  };
 };
 
 const serializeAws_json1_1DescribeMaintenanceWindowTasksRequest = (
   input: DescribeMaintenanceWindowTasksRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Filters !== undefined) {
-    bodyParams["Filters"] = serializeAws_json1_1MaintenanceWindowFilterList(
-      input.Filters,
-      context
-    );
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.WindowId !== undefined) {
-    bodyParams["WindowId"] = input.WindowId;
-  }
-  return bodyParams;
+  return {
+    ...(input.Filters !== undefined && {
+      Filters: serializeAws_json1_1MaintenanceWindowFilterList(
+        input.Filters,
+        context
+      )
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.WindowId !== undefined && { WindowId: input.WindowId })
+  };
 };
 
 const serializeAws_json1_1DescribeMaintenanceWindowsForTargetRequest = (
   input: DescribeMaintenanceWindowsForTargetRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.ResourceType !== undefined) {
-    bodyParams["ResourceType"] = input.ResourceType;
-  }
-  if (input.Targets !== undefined) {
-    bodyParams["Targets"] = serializeAws_json1_1Targets(input.Targets, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.ResourceType !== undefined && {
+      ResourceType: input.ResourceType
+    }),
+    ...(input.Targets !== undefined && {
+      Targets: serializeAws_json1_1Targets(input.Targets, context)
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeMaintenanceWindowsRequest = (
   input: DescribeMaintenanceWindowsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Filters !== undefined) {
-    bodyParams["Filters"] = serializeAws_json1_1MaintenanceWindowFilterList(
-      input.Filters,
-      context
-    );
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.Filters !== undefined && {
+      Filters: serializeAws_json1_1MaintenanceWindowFilterList(
+        input.Filters,
+        context
+      )
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1DescribeOpsItemsRequest = (
   input: DescribeOpsItemsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.OpsItemFilters !== undefined) {
-    bodyParams["OpsItemFilters"] = serializeAws_json1_1OpsItemFilters(
-      input.OpsItemFilters,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.OpsItemFilters !== undefined && {
+      OpsItemFilters: serializeAws_json1_1OpsItemFilters(
+        input.OpsItemFilters,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeParametersRequest = (
   input: DescribeParametersRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Filters !== undefined) {
-    bodyParams["Filters"] = serializeAws_json1_1ParametersFilterList(
-      input.Filters,
-      context
-    );
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.ParameterFilters !== undefined) {
-    bodyParams[
-      "ParameterFilters"
-    ] = serializeAws_json1_1ParameterStringFilterList(
-      input.ParameterFilters,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Filters !== undefined && {
+      Filters: serializeAws_json1_1ParametersFilterList(input.Filters, context)
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.ParameterFilters !== undefined && {
+      ParameterFilters: serializeAws_json1_1ParameterStringFilterList(
+        input.ParameterFilters,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1DescribePatchBaselinesRequest = (
   input: DescribePatchBaselinesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Filters !== undefined) {
-    bodyParams["Filters"] = serializeAws_json1_1PatchOrchestratorFilterList(
-      input.Filters,
-      context
-    );
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.Filters !== undefined && {
+      Filters: serializeAws_json1_1PatchOrchestratorFilterList(
+        input.Filters,
+        context
+      )
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1DescribePatchGroupStateRequest = (
   input: DescribePatchGroupStateRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.PatchGroup !== undefined) {
-    bodyParams["PatchGroup"] = input.PatchGroup;
-  }
-  return bodyParams;
+  return {
+    ...(input.PatchGroup !== undefined && { PatchGroup: input.PatchGroup })
+  };
 };
 
 const serializeAws_json1_1DescribePatchGroupsRequest = (
   input: DescribePatchGroupsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Filters !== undefined) {
-    bodyParams["Filters"] = serializeAws_json1_1PatchOrchestratorFilterList(
-      input.Filters,
-      context
-    );
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.Filters !== undefined && {
+      Filters: serializeAws_json1_1PatchOrchestratorFilterList(
+        input.Filters,
+        context
+      )
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1DescribePatchPropertiesRequest = (
   input: DescribePatchPropertiesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.OperatingSystem !== undefined) {
-    bodyParams["OperatingSystem"] = input.OperatingSystem;
-  }
-  if (input.PatchSet !== undefined) {
-    bodyParams["PatchSet"] = input.PatchSet;
-  }
-  if (input.Property !== undefined) {
-    bodyParams["Property"] = input.Property;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.OperatingSystem !== undefined && {
+      OperatingSystem: input.OperatingSystem
+    }),
+    ...(input.PatchSet !== undefined && { PatchSet: input.PatchSet }),
+    ...(input.Property !== undefined && { Property: input.Property })
+  };
 };
 
 const serializeAws_json1_1DescribeSessionsRequest = (
   input: DescribeSessionsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Filters !== undefined) {
-    bodyParams["Filters"] = serializeAws_json1_1SessionFilterList(
-      input.Filters,
-      context
-    );
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.State !== undefined) {
-    bodyParams["State"] = input.State;
-  }
-  return bodyParams;
+  return {
+    ...(input.Filters !== undefined && {
+      Filters: serializeAws_json1_1SessionFilterList(input.Filters, context)
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.State !== undefined && { State: input.State })
+  };
 };
 
 const serializeAws_json1_1DocumentFilter = (
   input: DocumentFilter,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.key !== undefined) {
-    bodyParams["key"] = input.key;
-  }
-  if (input.value !== undefined) {
-    bodyParams["value"] = input.value;
-  }
-  return bodyParams;
+  return {
+    ...(input.key !== undefined && { key: input.key }),
+    ...(input.value !== undefined && { value: input.value })
+  };
 };
 
 const serializeAws_json1_1DocumentFilterList = (
@@ -17834,17 +17466,15 @@ const serializeAws_json1_1DocumentKeyValuesFilter = (
   input: DocumentKeyValuesFilter,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Key !== undefined) {
-    bodyParams["Key"] = input.Key;
-  }
-  if (input.Values !== undefined) {
-    bodyParams["Values"] = serializeAws_json1_1DocumentKeyValuesFilterValues(
-      input.Values,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Key !== undefined && { Key: input.Key }),
+    ...(input.Values !== undefined && {
+      Values: serializeAws_json1_1DocumentKeyValuesFilterValues(
+        input.Values,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1DocumentKeyValuesFilterList = (
@@ -17867,14 +17497,10 @@ const serializeAws_json1_1DocumentRequires = (
   input: DocumentRequires,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.Version !== undefined) {
-    bodyParams["Version"] = input.Version;
-  }
-  return bodyParams;
+  return {
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.Version !== undefined && { Version: input.Version })
+  };
 };
 
 const serializeAws_json1_1DocumentRequiresList = (
@@ -17890,401 +17516,320 @@ const serializeAws_json1_1GetAutomationExecutionRequest = (
   input: GetAutomationExecutionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AutomationExecutionId !== undefined) {
-    bodyParams["AutomationExecutionId"] = input.AutomationExecutionId;
-  }
-  return bodyParams;
+  return {
+    ...(input.AutomationExecutionId !== undefined && {
+      AutomationExecutionId: input.AutomationExecutionId
+    })
+  };
 };
 
 const serializeAws_json1_1GetCalendarStateRequest = (
   input: GetCalendarStateRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AtTime !== undefined) {
-    bodyParams["AtTime"] = input.AtTime;
-  }
-  if (input.CalendarNames !== undefined) {
-    bodyParams["CalendarNames"] = serializeAws_json1_1CalendarNameOrARNList(
-      input.CalendarNames,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.AtTime !== undefined && { AtTime: input.AtTime }),
+    ...(input.CalendarNames !== undefined && {
+      CalendarNames: serializeAws_json1_1CalendarNameOrARNList(
+        input.CalendarNames,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1GetCommandInvocationRequest = (
   input: GetCommandInvocationRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CommandId !== undefined) {
-    bodyParams["CommandId"] = input.CommandId;
-  }
-  if (input.InstanceId !== undefined) {
-    bodyParams["InstanceId"] = input.InstanceId;
-  }
-  if (input.PluginName !== undefined) {
-    bodyParams["PluginName"] = input.PluginName;
-  }
-  return bodyParams;
+  return {
+    ...(input.CommandId !== undefined && { CommandId: input.CommandId }),
+    ...(input.InstanceId !== undefined && { InstanceId: input.InstanceId }),
+    ...(input.PluginName !== undefined && { PluginName: input.PluginName })
+  };
 };
 
 const serializeAws_json1_1GetConnectionStatusRequest = (
   input: GetConnectionStatusRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Target !== undefined) {
-    bodyParams["Target"] = input.Target;
-  }
-  return bodyParams;
+  return {
+    ...(input.Target !== undefined && { Target: input.Target })
+  };
 };
 
 const serializeAws_json1_1GetDefaultPatchBaselineRequest = (
   input: GetDefaultPatchBaselineRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.OperatingSystem !== undefined) {
-    bodyParams["OperatingSystem"] = input.OperatingSystem;
-  }
-  return bodyParams;
+  return {
+    ...(input.OperatingSystem !== undefined && {
+      OperatingSystem: input.OperatingSystem
+    })
+  };
 };
 
 const serializeAws_json1_1GetDeployablePatchSnapshotForInstanceRequest = (
   input: GetDeployablePatchSnapshotForInstanceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.InstanceId !== undefined) {
-    bodyParams["InstanceId"] = input.InstanceId;
-  }
-  if (input.SnapshotId !== undefined) {
-    bodyParams["SnapshotId"] = input.SnapshotId;
-  }
-  return bodyParams;
+  return {
+    ...(input.InstanceId !== undefined && { InstanceId: input.InstanceId }),
+    ...(input.SnapshotId !== undefined && { SnapshotId: input.SnapshotId })
+  };
 };
 
 const serializeAws_json1_1GetDocumentRequest = (
   input: GetDocumentRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DocumentFormat !== undefined) {
-    bodyParams["DocumentFormat"] = input.DocumentFormat;
-  }
-  if (input.DocumentVersion !== undefined) {
-    bodyParams["DocumentVersion"] = input.DocumentVersion;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.VersionName !== undefined) {
-    bodyParams["VersionName"] = input.VersionName;
-  }
-  return bodyParams;
+  return {
+    ...(input.DocumentFormat !== undefined && {
+      DocumentFormat: input.DocumentFormat
+    }),
+    ...(input.DocumentVersion !== undefined && {
+      DocumentVersion: input.DocumentVersion
+    }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.VersionName !== undefined && { VersionName: input.VersionName })
+  };
 };
 
 const serializeAws_json1_1GetInventoryRequest = (
   input: GetInventoryRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Aggregators !== undefined) {
-    bodyParams["Aggregators"] = serializeAws_json1_1InventoryAggregatorList(
-      input.Aggregators,
-      context
-    );
-  }
-  if (input.Filters !== undefined) {
-    bodyParams["Filters"] = serializeAws_json1_1InventoryFilterList(
-      input.Filters,
-      context
-    );
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.ResultAttributes !== undefined) {
-    bodyParams["ResultAttributes"] = serializeAws_json1_1ResultAttributeList(
-      input.ResultAttributes,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Aggregators !== undefined && {
+      Aggregators: serializeAws_json1_1InventoryAggregatorList(
+        input.Aggregators,
+        context
+      )
+    }),
+    ...(input.Filters !== undefined && {
+      Filters: serializeAws_json1_1InventoryFilterList(input.Filters, context)
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.ResultAttributes !== undefined && {
+      ResultAttributes: serializeAws_json1_1ResultAttributeList(
+        input.ResultAttributes,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1GetInventorySchemaRequest = (
   input: GetInventorySchemaRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Aggregator !== undefined) {
-    bodyParams["Aggregator"] = input.Aggregator;
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.SubType !== undefined) {
-    bodyParams["SubType"] = input.SubType;
-  }
-  if (input.TypeName !== undefined) {
-    bodyParams["TypeName"] = input.TypeName;
-  }
-  return bodyParams;
+  return {
+    ...(input.Aggregator !== undefined && { Aggregator: input.Aggregator }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.SubType !== undefined && { SubType: input.SubType }),
+    ...(input.TypeName !== undefined && { TypeName: input.TypeName })
+  };
 };
 
 const serializeAws_json1_1GetMaintenanceWindowExecutionRequest = (
   input: GetMaintenanceWindowExecutionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.WindowExecutionId !== undefined) {
-    bodyParams["WindowExecutionId"] = input.WindowExecutionId;
-  }
-  return bodyParams;
+  return {
+    ...(input.WindowExecutionId !== undefined && {
+      WindowExecutionId: input.WindowExecutionId
+    })
+  };
 };
 
 const serializeAws_json1_1GetMaintenanceWindowExecutionTaskInvocationRequest = (
   input: GetMaintenanceWindowExecutionTaskInvocationRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.InvocationId !== undefined) {
-    bodyParams["InvocationId"] = input.InvocationId;
-  }
-  if (input.TaskId !== undefined) {
-    bodyParams["TaskId"] = input.TaskId;
-  }
-  if (input.WindowExecutionId !== undefined) {
-    bodyParams["WindowExecutionId"] = input.WindowExecutionId;
-  }
-  return bodyParams;
+  return {
+    ...(input.InvocationId !== undefined && {
+      InvocationId: input.InvocationId
+    }),
+    ...(input.TaskId !== undefined && { TaskId: input.TaskId }),
+    ...(input.WindowExecutionId !== undefined && {
+      WindowExecutionId: input.WindowExecutionId
+    })
+  };
 };
 
 const serializeAws_json1_1GetMaintenanceWindowExecutionTaskRequest = (
   input: GetMaintenanceWindowExecutionTaskRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.TaskId !== undefined) {
-    bodyParams["TaskId"] = input.TaskId;
-  }
-  if (input.WindowExecutionId !== undefined) {
-    bodyParams["WindowExecutionId"] = input.WindowExecutionId;
-  }
-  return bodyParams;
+  return {
+    ...(input.TaskId !== undefined && { TaskId: input.TaskId }),
+    ...(input.WindowExecutionId !== undefined && {
+      WindowExecutionId: input.WindowExecutionId
+    })
+  };
 };
 
 const serializeAws_json1_1GetMaintenanceWindowRequest = (
   input: GetMaintenanceWindowRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.WindowId !== undefined) {
-    bodyParams["WindowId"] = input.WindowId;
-  }
-  return bodyParams;
+  return {
+    ...(input.WindowId !== undefined && { WindowId: input.WindowId })
+  };
 };
 
 const serializeAws_json1_1GetMaintenanceWindowTaskRequest = (
   input: GetMaintenanceWindowTaskRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.WindowId !== undefined) {
-    bodyParams["WindowId"] = input.WindowId;
-  }
-  if (input.WindowTaskId !== undefined) {
-    bodyParams["WindowTaskId"] = input.WindowTaskId;
-  }
-  return bodyParams;
+  return {
+    ...(input.WindowId !== undefined && { WindowId: input.WindowId }),
+    ...(input.WindowTaskId !== undefined && {
+      WindowTaskId: input.WindowTaskId
+    })
+  };
 };
 
 const serializeAws_json1_1GetOpsItemRequest = (
   input: GetOpsItemRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.OpsItemId !== undefined) {
-    bodyParams["OpsItemId"] = input.OpsItemId;
-  }
-  return bodyParams;
+  return {
+    ...(input.OpsItemId !== undefined && { OpsItemId: input.OpsItemId })
+  };
 };
 
 const serializeAws_json1_1GetOpsSummaryRequest = (
   input: GetOpsSummaryRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Aggregators !== undefined) {
-    bodyParams["Aggregators"] = serializeAws_json1_1OpsAggregatorList(
-      input.Aggregators,
-      context
-    );
-  }
-  if (input.Filters !== undefined) {
-    bodyParams["Filters"] = serializeAws_json1_1OpsFilterList(
-      input.Filters,
-      context
-    );
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.ResultAttributes !== undefined) {
-    bodyParams["ResultAttributes"] = serializeAws_json1_1OpsResultAttributeList(
-      input.ResultAttributes,
-      context
-    );
-  }
-  if (input.SyncName !== undefined) {
-    bodyParams["SyncName"] = input.SyncName;
-  }
-  return bodyParams;
+  return {
+    ...(input.Aggregators !== undefined && {
+      Aggregators: serializeAws_json1_1OpsAggregatorList(
+        input.Aggregators,
+        context
+      )
+    }),
+    ...(input.Filters !== undefined && {
+      Filters: serializeAws_json1_1OpsFilterList(input.Filters, context)
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.ResultAttributes !== undefined && {
+      ResultAttributes: serializeAws_json1_1OpsResultAttributeList(
+        input.ResultAttributes,
+        context
+      )
+    }),
+    ...(input.SyncName !== undefined && { SyncName: input.SyncName })
+  };
 };
 
 const serializeAws_json1_1GetParameterHistoryRequest = (
   input: GetParameterHistoryRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.WithDecryption !== undefined) {
-    bodyParams["WithDecryption"] = input.WithDecryption;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.WithDecryption !== undefined && {
+      WithDecryption: input.WithDecryption
+    })
+  };
 };
 
 const serializeAws_json1_1GetParameterRequest = (
   input: GetParameterRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.WithDecryption !== undefined) {
-    bodyParams["WithDecryption"] = input.WithDecryption;
-  }
-  return bodyParams;
+  return {
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.WithDecryption !== undefined && {
+      WithDecryption: input.WithDecryption
+    })
+  };
 };
 
 const serializeAws_json1_1GetParametersByPathRequest = (
   input: GetParametersByPathRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.ParameterFilters !== undefined) {
-    bodyParams[
-      "ParameterFilters"
-    ] = serializeAws_json1_1ParameterStringFilterList(
-      input.ParameterFilters,
-      context
-    );
-  }
-  if (input.Path !== undefined) {
-    bodyParams["Path"] = input.Path;
-  }
-  if (input.Recursive !== undefined) {
-    bodyParams["Recursive"] = input.Recursive;
-  }
-  if (input.WithDecryption !== undefined) {
-    bodyParams["WithDecryption"] = input.WithDecryption;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.ParameterFilters !== undefined && {
+      ParameterFilters: serializeAws_json1_1ParameterStringFilterList(
+        input.ParameterFilters,
+        context
+      )
+    }),
+    ...(input.Path !== undefined && { Path: input.Path }),
+    ...(input.Recursive !== undefined && { Recursive: input.Recursive }),
+    ...(input.WithDecryption !== undefined && {
+      WithDecryption: input.WithDecryption
+    })
+  };
 };
 
 const serializeAws_json1_1GetParametersRequest = (
   input: GetParametersRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Names !== undefined) {
-    bodyParams["Names"] = serializeAws_json1_1ParameterNameList(
-      input.Names,
-      context
-    );
-  }
-  if (input.WithDecryption !== undefined) {
-    bodyParams["WithDecryption"] = input.WithDecryption;
-  }
-  return bodyParams;
+  return {
+    ...(input.Names !== undefined && {
+      Names: serializeAws_json1_1ParameterNameList(input.Names, context)
+    }),
+    ...(input.WithDecryption !== undefined && {
+      WithDecryption: input.WithDecryption
+    })
+  };
 };
 
 const serializeAws_json1_1GetPatchBaselineForPatchGroupRequest = (
   input: GetPatchBaselineForPatchGroupRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.OperatingSystem !== undefined) {
-    bodyParams["OperatingSystem"] = input.OperatingSystem;
-  }
-  if (input.PatchGroup !== undefined) {
-    bodyParams["PatchGroup"] = input.PatchGroup;
-  }
-  return bodyParams;
+  return {
+    ...(input.OperatingSystem !== undefined && {
+      OperatingSystem: input.OperatingSystem
+    }),
+    ...(input.PatchGroup !== undefined && { PatchGroup: input.PatchGroup })
+  };
 };
 
 const serializeAws_json1_1GetPatchBaselineRequest = (
   input: GetPatchBaselineRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.BaselineId !== undefined) {
-    bodyParams["BaselineId"] = input.BaselineId;
-  }
-  return bodyParams;
+  return {
+    ...(input.BaselineId !== undefined && { BaselineId: input.BaselineId })
+  };
 };
 
 const serializeAws_json1_1GetServiceSettingRequest = (
   input: GetServiceSettingRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.SettingId !== undefined) {
-    bodyParams["SettingId"] = input.SettingId;
-  }
-  return bodyParams;
+  return {
+    ...(input.SettingId !== undefined && { SettingId: input.SettingId })
+  };
 };
 
 const serializeAws_json1_1InstanceAssociationOutputLocation = (
   input: InstanceAssociationOutputLocation,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.S3Location !== undefined) {
-    bodyParams["S3Location"] = serializeAws_json1_1S3OutputLocation(
-      input.S3Location,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.S3Location !== undefined && {
+      S3Location: serializeAws_json1_1S3OutputLocation(
+        input.S3Location,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1InstanceIdList = (
@@ -18298,19 +17843,15 @@ const serializeAws_json1_1InstanceInformationFilter = (
   input: InstanceInformationFilter,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.key !== undefined) {
-    bodyParams["key"] = input.key;
-  }
-  if (input.valueSet !== undefined) {
-    bodyParams[
-      "valueSet"
-    ] = serializeAws_json1_1InstanceInformationFilterValueSet(
-      input.valueSet,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.key !== undefined && { key: input.key }),
+    ...(input.valueSet !== undefined && {
+      valueSet: serializeAws_json1_1InstanceInformationFilterValueSet(
+        input.valueSet,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1InstanceInformationFilterList = (
@@ -18333,19 +17874,15 @@ const serializeAws_json1_1InstanceInformationStringFilter = (
   input: InstanceInformationStringFilter,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Key !== undefined) {
-    bodyParams["Key"] = input.Key;
-  }
-  if (input.Values !== undefined) {
-    bodyParams[
-      "Values"
-    ] = serializeAws_json1_1InstanceInformationFilterValueSet(
-      input.Values,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Key !== undefined && { Key: input.Key }),
+    ...(input.Values !== undefined && {
+      Values: serializeAws_json1_1InstanceInformationFilterValueSet(
+        input.Values,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1InstanceInformationStringFilterList = (
@@ -18361,20 +17898,16 @@ const serializeAws_json1_1InstancePatchStateFilter = (
   input: InstancePatchStateFilter,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Key !== undefined) {
-    bodyParams["Key"] = input.Key;
-  }
-  if (input.Type !== undefined) {
-    bodyParams["Type"] = input.Type;
-  }
-  if (input.Values !== undefined) {
-    bodyParams["Values"] = serializeAws_json1_1InstancePatchStateFilterValues(
-      input.Values,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Key !== undefined && { Key: input.Key }),
+    ...(input.Type !== undefined && { Type: input.Type }),
+    ...(input.Values !== undefined && {
+      Values: serializeAws_json1_1InstancePatchStateFilterValues(
+        input.Values,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1InstancePatchStateFilterList = (
@@ -18397,23 +17930,18 @@ const serializeAws_json1_1InventoryAggregator = (
   input: InventoryAggregator,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Aggregators !== undefined) {
-    bodyParams["Aggregators"] = serializeAws_json1_1InventoryAggregatorList(
-      input.Aggregators,
-      context
-    );
-  }
-  if (input.Expression !== undefined) {
-    bodyParams["Expression"] = input.Expression;
-  }
-  if (input.Groups !== undefined) {
-    bodyParams["Groups"] = serializeAws_json1_1InventoryGroupList(
-      input.Groups,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Aggregators !== undefined && {
+      Aggregators: serializeAws_json1_1InventoryAggregatorList(
+        input.Aggregators,
+        context
+      )
+    }),
+    ...(input.Expression !== undefined && { Expression: input.Expression }),
+    ...(input.Groups !== undefined && {
+      Groups: serializeAws_json1_1InventoryGroupList(input.Groups, context)
+    })
+  };
 };
 
 const serializeAws_json1_1InventoryAggregatorList = (
@@ -18429,20 +17957,16 @@ const serializeAws_json1_1InventoryFilter = (
   input: InventoryFilter,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Key !== undefined) {
-    bodyParams["Key"] = input.Key;
-  }
-  if (input.Type !== undefined) {
-    bodyParams["Type"] = input.Type;
-  }
-  if (input.Values !== undefined) {
-    bodyParams["Values"] = serializeAws_json1_1InventoryFilterValueList(
-      input.Values,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Key !== undefined && { Key: input.Key }),
+    ...(input.Type !== undefined && { Type: input.Type }),
+    ...(input.Values !== undefined && {
+      Values: serializeAws_json1_1InventoryFilterValueList(
+        input.Values,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1InventoryFilterList = (
@@ -18465,17 +17989,12 @@ const serializeAws_json1_1InventoryGroup = (
   input: InventoryGroup,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Filters !== undefined) {
-    bodyParams["Filters"] = serializeAws_json1_1InventoryFilterList(
-      input.Filters,
-      context
-    );
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.Filters !== undefined && {
+      Filters: serializeAws_json1_1InventoryFilterList(input.Filters, context)
+    }),
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1InventoryGroupList = (
@@ -18489,32 +18008,26 @@ const serializeAws_json1_1InventoryItem = (
   input: InventoryItem,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CaptureTime !== undefined) {
-    bodyParams["CaptureTime"] = input.CaptureTime;
-  }
-  if (input.Content !== undefined) {
-    bodyParams["Content"] = serializeAws_json1_1InventoryItemEntryList(
-      input.Content,
-      context
-    );
-  }
-  if (input.ContentHash !== undefined) {
-    bodyParams["ContentHash"] = input.ContentHash;
-  }
-  if (input.Context !== undefined) {
-    bodyParams["Context"] = serializeAws_json1_1InventoryItemContentContext(
-      input.Context,
-      context
-    );
-  }
-  if (input.SchemaVersion !== undefined) {
-    bodyParams["SchemaVersion"] = input.SchemaVersion;
-  }
-  if (input.TypeName !== undefined) {
-    bodyParams["TypeName"] = input.TypeName;
-  }
-  return bodyParams;
+  return {
+    ...(input.CaptureTime !== undefined && { CaptureTime: input.CaptureTime }),
+    ...(input.Content !== undefined && {
+      Content: serializeAws_json1_1InventoryItemEntryList(
+        input.Content,
+        context
+      )
+    }),
+    ...(input.ContentHash !== undefined && { ContentHash: input.ContentHash }),
+    ...(input.Context !== undefined && {
+      Context: serializeAws_json1_1InventoryItemContentContext(
+        input.Context,
+        context
+      )
+    }),
+    ...(input.SchemaVersion !== undefined && {
+      SchemaVersion: input.SchemaVersion
+    }),
+    ...(input.TypeName !== undefined && { TypeName: input.TypeName })
+  };
 };
 
 const serializeAws_json1_1InventoryItemContentContext = (
@@ -18564,339 +18077,251 @@ const serializeAws_json1_1LabelParameterVersionRequest = (
   input: LabelParameterVersionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Labels !== undefined) {
-    bodyParams["Labels"] = serializeAws_json1_1ParameterLabelList(
-      input.Labels,
-      context
-    );
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.ParameterVersion !== undefined) {
-    bodyParams["ParameterVersion"] = input.ParameterVersion;
-  }
-  return bodyParams;
+  return {
+    ...(input.Labels !== undefined && {
+      Labels: serializeAws_json1_1ParameterLabelList(input.Labels, context)
+    }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.ParameterVersion !== undefined && {
+      ParameterVersion: input.ParameterVersion
+    })
+  };
 };
 
 const serializeAws_json1_1ListAssociationVersionsRequest = (
   input: ListAssociationVersionsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AssociationId !== undefined) {
-    bodyParams["AssociationId"] = input.AssociationId;
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.AssociationId !== undefined && {
+      AssociationId: input.AssociationId
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1ListAssociationsRequest = (
   input: ListAssociationsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AssociationFilterList !== undefined) {
-    bodyParams[
-      "AssociationFilterList"
-    ] = serializeAws_json1_1AssociationFilterList(
-      input.AssociationFilterList,
-      context
-    );
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.AssociationFilterList !== undefined && {
+      AssociationFilterList: serializeAws_json1_1AssociationFilterList(
+        input.AssociationFilterList,
+        context
+      )
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1ListCommandInvocationsRequest = (
   input: ListCommandInvocationsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CommandId !== undefined) {
-    bodyParams["CommandId"] = input.CommandId;
-  }
-  if (input.Details !== undefined) {
-    bodyParams["Details"] = input.Details;
-  }
-  if (input.Filters !== undefined) {
-    bodyParams["Filters"] = serializeAws_json1_1CommandFilterList(
-      input.Filters,
-      context
-    );
-  }
-  if (input.InstanceId !== undefined) {
-    bodyParams["InstanceId"] = input.InstanceId;
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.CommandId !== undefined && { CommandId: input.CommandId }),
+    ...(input.Details !== undefined && { Details: input.Details }),
+    ...(input.Filters !== undefined && {
+      Filters: serializeAws_json1_1CommandFilterList(input.Filters, context)
+    }),
+    ...(input.InstanceId !== undefined && { InstanceId: input.InstanceId }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1ListCommandsRequest = (
   input: ListCommandsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CommandId !== undefined) {
-    bodyParams["CommandId"] = input.CommandId;
-  }
-  if (input.Filters !== undefined) {
-    bodyParams["Filters"] = serializeAws_json1_1CommandFilterList(
-      input.Filters,
-      context
-    );
-  }
-  if (input.InstanceId !== undefined) {
-    bodyParams["InstanceId"] = input.InstanceId;
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.CommandId !== undefined && { CommandId: input.CommandId }),
+    ...(input.Filters !== undefined && {
+      Filters: serializeAws_json1_1CommandFilterList(input.Filters, context)
+    }),
+    ...(input.InstanceId !== undefined && { InstanceId: input.InstanceId }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1ListComplianceItemsRequest = (
   input: ListComplianceItemsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Filters !== undefined) {
-    bodyParams["Filters"] = serializeAws_json1_1ComplianceStringFilterList(
-      input.Filters,
-      context
-    );
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.ResourceIds !== undefined) {
-    bodyParams["ResourceIds"] = serializeAws_json1_1ComplianceResourceIdList(
-      input.ResourceIds,
-      context
-    );
-  }
-  if (input.ResourceTypes !== undefined) {
-    bodyParams[
-      "ResourceTypes"
-    ] = serializeAws_json1_1ComplianceResourceTypeList(
-      input.ResourceTypes,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Filters !== undefined && {
+      Filters: serializeAws_json1_1ComplianceStringFilterList(
+        input.Filters,
+        context
+      )
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.ResourceIds !== undefined && {
+      ResourceIds: serializeAws_json1_1ComplianceResourceIdList(
+        input.ResourceIds,
+        context
+      )
+    }),
+    ...(input.ResourceTypes !== undefined && {
+      ResourceTypes: serializeAws_json1_1ComplianceResourceTypeList(
+        input.ResourceTypes,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1ListComplianceSummariesRequest = (
   input: ListComplianceSummariesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Filters !== undefined) {
-    bodyParams["Filters"] = serializeAws_json1_1ComplianceStringFilterList(
-      input.Filters,
-      context
-    );
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.Filters !== undefined && {
+      Filters: serializeAws_json1_1ComplianceStringFilterList(
+        input.Filters,
+        context
+      )
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1ListDocumentVersionsRequest = (
   input: ListDocumentVersionsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1ListDocumentsRequest = (
   input: ListDocumentsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DocumentFilterList !== undefined) {
-    bodyParams["DocumentFilterList"] = serializeAws_json1_1DocumentFilterList(
-      input.DocumentFilterList,
-      context
-    );
-  }
-  if (input.Filters !== undefined) {
-    bodyParams["Filters"] = serializeAws_json1_1DocumentKeyValuesFilterList(
-      input.Filters,
-      context
-    );
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.DocumentFilterList !== undefined && {
+      DocumentFilterList: serializeAws_json1_1DocumentFilterList(
+        input.DocumentFilterList,
+        context
+      )
+    }),
+    ...(input.Filters !== undefined && {
+      Filters: serializeAws_json1_1DocumentKeyValuesFilterList(
+        input.Filters,
+        context
+      )
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1ListInventoryEntriesRequest = (
   input: ListInventoryEntriesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Filters !== undefined) {
-    bodyParams["Filters"] = serializeAws_json1_1InventoryFilterList(
-      input.Filters,
-      context
-    );
-  }
-  if (input.InstanceId !== undefined) {
-    bodyParams["InstanceId"] = input.InstanceId;
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.TypeName !== undefined) {
-    bodyParams["TypeName"] = input.TypeName;
-  }
-  return bodyParams;
+  return {
+    ...(input.Filters !== undefined && {
+      Filters: serializeAws_json1_1InventoryFilterList(input.Filters, context)
+    }),
+    ...(input.InstanceId !== undefined && { InstanceId: input.InstanceId }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.TypeName !== undefined && { TypeName: input.TypeName })
+  };
 };
 
 const serializeAws_json1_1ListResourceComplianceSummariesRequest = (
   input: ListResourceComplianceSummariesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Filters !== undefined) {
-    bodyParams["Filters"] = serializeAws_json1_1ComplianceStringFilterList(
-      input.Filters,
-      context
-    );
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.Filters !== undefined && {
+      Filters: serializeAws_json1_1ComplianceStringFilterList(
+        input.Filters,
+        context
+      )
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1ListResourceDataSyncRequest = (
   input: ListResourceDataSyncRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.SyncType !== undefined) {
-    bodyParams["SyncType"] = input.SyncType;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.SyncType !== undefined && { SyncType: input.SyncType })
+  };
 };
 
 const serializeAws_json1_1ListTagsForResourceRequest = (
   input: ListTagsForResourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceId !== undefined) {
-    bodyParams["ResourceId"] = input.ResourceId;
-  }
-  if (input.ResourceType !== undefined) {
-    bodyParams["ResourceType"] = input.ResourceType;
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceId !== undefined && { ResourceId: input.ResourceId }),
+    ...(input.ResourceType !== undefined && {
+      ResourceType: input.ResourceType
+    })
+  };
 };
 
 const serializeAws_json1_1LoggingInfo = (
   input: LoggingInfo,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.S3BucketName !== undefined) {
-    bodyParams["S3BucketName"] = input.S3BucketName;
-  }
-  if (input.S3KeyPrefix !== undefined) {
-    bodyParams["S3KeyPrefix"] = input.S3KeyPrefix;
-  }
-  if (input.S3Region !== undefined) {
-    bodyParams["S3Region"] = input.S3Region;
-  }
-  return bodyParams;
+  return {
+    ...(input.S3BucketName !== undefined && {
+      S3BucketName: input.S3BucketName
+    }),
+    ...(input.S3KeyPrefix !== undefined && { S3KeyPrefix: input.S3KeyPrefix }),
+    ...(input.S3Region !== undefined && { S3Region: input.S3Region })
+  };
 };
 
 const serializeAws_json1_1MaintenanceWindowAutomationParameters = (
   input: MaintenanceWindowAutomationParameters,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DocumentVersion !== undefined) {
-    bodyParams["DocumentVersion"] = input.DocumentVersion;
-  }
-  if (input.Parameters !== undefined) {
-    bodyParams["Parameters"] = serializeAws_json1_1AutomationParameterMap(
-      input.Parameters,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.DocumentVersion !== undefined && {
+      DocumentVersion: input.DocumentVersion
+    }),
+    ...(input.Parameters !== undefined && {
+      Parameters: serializeAws_json1_1AutomationParameterMap(
+        input.Parameters,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1MaintenanceWindowFilter = (
   input: MaintenanceWindowFilter,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Key !== undefined) {
-    bodyParams["Key"] = input.Key;
-  }
-  if (input.Values !== undefined) {
-    bodyParams["Values"] = serializeAws_json1_1MaintenanceWindowFilterValues(
-      input.Values,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Key !== undefined && { Key: input.Key }),
+    ...(input.Values !== undefined && {
+      Values: serializeAws_json1_1MaintenanceWindowFilterValues(
+        input.Values,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1MaintenanceWindowFilterList = (
@@ -18919,139 +18344,116 @@ const serializeAws_json1_1MaintenanceWindowLambdaParameters = (
   input: MaintenanceWindowLambdaParameters,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ClientContext !== undefined) {
-    bodyParams["ClientContext"] = input.ClientContext;
-  }
-  if (input.Payload !== undefined) {
-    bodyParams["Payload"] = context.base64Encoder(input.Payload);
-  }
-  if (input.Qualifier !== undefined) {
-    bodyParams["Qualifier"] = input.Qualifier;
-  }
-  return bodyParams;
+  return {
+    ...(input.ClientContext !== undefined && {
+      ClientContext: input.ClientContext
+    }),
+    ...(input.Payload !== undefined && {
+      Payload: context.base64Encoder(input.Payload)
+    }),
+    ...(input.Qualifier !== undefined && { Qualifier: input.Qualifier })
+  };
 };
 
 const serializeAws_json1_1MaintenanceWindowRunCommandParameters = (
   input: MaintenanceWindowRunCommandParameters,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CloudWatchOutputConfig !== undefined) {
-    bodyParams[
-      "CloudWatchOutputConfig"
-    ] = serializeAws_json1_1CloudWatchOutputConfig(
-      input.CloudWatchOutputConfig,
-      context
-    );
-  }
-  if (input.Comment !== undefined) {
-    bodyParams["Comment"] = input.Comment;
-  }
-  if (input.DocumentHash !== undefined) {
-    bodyParams["DocumentHash"] = input.DocumentHash;
-  }
-  if (input.DocumentHashType !== undefined) {
-    bodyParams["DocumentHashType"] = input.DocumentHashType;
-  }
-  if (input.DocumentVersion !== undefined) {
-    bodyParams["DocumentVersion"] = input.DocumentVersion;
-  }
-  if (input.NotificationConfig !== undefined) {
-    bodyParams["NotificationConfig"] = serializeAws_json1_1NotificationConfig(
-      input.NotificationConfig,
-      context
-    );
-  }
-  if (input.OutputS3BucketName !== undefined) {
-    bodyParams["OutputS3BucketName"] = input.OutputS3BucketName;
-  }
-  if (input.OutputS3KeyPrefix !== undefined) {
-    bodyParams["OutputS3KeyPrefix"] = input.OutputS3KeyPrefix;
-  }
-  if (input.Parameters !== undefined) {
-    bodyParams["Parameters"] = serializeAws_json1_1Parameters(
-      input.Parameters,
-      context
-    );
-  }
-  if (input.ServiceRoleArn !== undefined) {
-    bodyParams["ServiceRoleArn"] = input.ServiceRoleArn;
-  }
-  if (input.TimeoutSeconds !== undefined) {
-    bodyParams["TimeoutSeconds"] = input.TimeoutSeconds;
-  }
-  return bodyParams;
+  return {
+    ...(input.CloudWatchOutputConfig !== undefined && {
+      CloudWatchOutputConfig: serializeAws_json1_1CloudWatchOutputConfig(
+        input.CloudWatchOutputConfig,
+        context
+      )
+    }),
+    ...(input.Comment !== undefined && { Comment: input.Comment }),
+    ...(input.DocumentHash !== undefined && {
+      DocumentHash: input.DocumentHash
+    }),
+    ...(input.DocumentHashType !== undefined && {
+      DocumentHashType: input.DocumentHashType
+    }),
+    ...(input.DocumentVersion !== undefined && {
+      DocumentVersion: input.DocumentVersion
+    }),
+    ...(input.NotificationConfig !== undefined && {
+      NotificationConfig: serializeAws_json1_1NotificationConfig(
+        input.NotificationConfig,
+        context
+      )
+    }),
+    ...(input.OutputS3BucketName !== undefined && {
+      OutputS3BucketName: input.OutputS3BucketName
+    }),
+    ...(input.OutputS3KeyPrefix !== undefined && {
+      OutputS3KeyPrefix: input.OutputS3KeyPrefix
+    }),
+    ...(input.Parameters !== undefined && {
+      Parameters: serializeAws_json1_1Parameters(input.Parameters, context)
+    }),
+    ...(input.ServiceRoleArn !== undefined && {
+      ServiceRoleArn: input.ServiceRoleArn
+    }),
+    ...(input.TimeoutSeconds !== undefined && {
+      TimeoutSeconds: input.TimeoutSeconds
+    })
+  };
 };
 
 const serializeAws_json1_1MaintenanceWindowStepFunctionsParameters = (
   input: MaintenanceWindowStepFunctionsParameters,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Input !== undefined) {
-    bodyParams["Input"] = input.Input;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.Input !== undefined && { Input: input.Input }),
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1MaintenanceWindowTaskInvocationParameters = (
   input: MaintenanceWindowTaskInvocationParameters,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Automation !== undefined) {
-    bodyParams[
-      "Automation"
-    ] = serializeAws_json1_1MaintenanceWindowAutomationParameters(
-      input.Automation,
-      context
-    );
-  }
-  if (input.Lambda !== undefined) {
-    bodyParams[
-      "Lambda"
-    ] = serializeAws_json1_1MaintenanceWindowLambdaParameters(
-      input.Lambda,
-      context
-    );
-  }
-  if (input.RunCommand !== undefined) {
-    bodyParams[
-      "RunCommand"
-    ] = serializeAws_json1_1MaintenanceWindowRunCommandParameters(
-      input.RunCommand,
-      context
-    );
-  }
-  if (input.StepFunctions !== undefined) {
-    bodyParams[
-      "StepFunctions"
-    ] = serializeAws_json1_1MaintenanceWindowStepFunctionsParameters(
-      input.StepFunctions,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Automation !== undefined && {
+      Automation: serializeAws_json1_1MaintenanceWindowAutomationParameters(
+        input.Automation,
+        context
+      )
+    }),
+    ...(input.Lambda !== undefined && {
+      Lambda: serializeAws_json1_1MaintenanceWindowLambdaParameters(
+        input.Lambda,
+        context
+      )
+    }),
+    ...(input.RunCommand !== undefined && {
+      RunCommand: serializeAws_json1_1MaintenanceWindowRunCommandParameters(
+        input.RunCommand,
+        context
+      )
+    }),
+    ...(input.StepFunctions !== undefined && {
+      StepFunctions: serializeAws_json1_1MaintenanceWindowStepFunctionsParameters(
+        input.StepFunctions,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1MaintenanceWindowTaskParameterValueExpression = (
   input: MaintenanceWindowTaskParameterValueExpression,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Values !== undefined) {
-    bodyParams[
-      "Values"
-    ] = serializeAws_json1_1MaintenanceWindowTaskParameterValueList(
-      input.Values,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Values !== undefined && {
+      Values: serializeAws_json1_1MaintenanceWindowTaskParameterValueList(
+        input.Values,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1MaintenanceWindowTaskParameterValueList = (
@@ -19080,51 +18482,47 @@ const serializeAws_json1_1ModifyDocumentPermissionRequest = (
   input: ModifyDocumentPermissionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AccountIdsToAdd !== undefined) {
-    bodyParams["AccountIdsToAdd"] = serializeAws_json1_1AccountIdList(
-      input.AccountIdsToAdd,
-      context
-    );
-  }
-  if (input.AccountIdsToRemove !== undefined) {
-    bodyParams["AccountIdsToRemove"] = serializeAws_json1_1AccountIdList(
-      input.AccountIdsToRemove,
-      context
-    );
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.PermissionType !== undefined) {
-    bodyParams["PermissionType"] = input.PermissionType;
-  }
-  if (input.SharedDocumentVersion !== undefined) {
-    bodyParams["SharedDocumentVersion"] = input.SharedDocumentVersion;
-  }
-  return bodyParams;
+  return {
+    ...(input.AccountIdsToAdd !== undefined && {
+      AccountIdsToAdd: serializeAws_json1_1AccountIdList(
+        input.AccountIdsToAdd,
+        context
+      )
+    }),
+    ...(input.AccountIdsToRemove !== undefined && {
+      AccountIdsToRemove: serializeAws_json1_1AccountIdList(
+        input.AccountIdsToRemove,
+        context
+      )
+    }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.PermissionType !== undefined && {
+      PermissionType: input.PermissionType
+    }),
+    ...(input.SharedDocumentVersion !== undefined && {
+      SharedDocumentVersion: input.SharedDocumentVersion
+    })
+  };
 };
 
 const serializeAws_json1_1NotificationConfig = (
   input: NotificationConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.NotificationArn !== undefined) {
-    bodyParams["NotificationArn"] = input.NotificationArn;
-  }
-  if (input.NotificationEvents !== undefined) {
-    bodyParams[
-      "NotificationEvents"
-    ] = serializeAws_json1_1NotificationEventList(
-      input.NotificationEvents,
-      context
-    );
-  }
-  if (input.NotificationType !== undefined) {
-    bodyParams["NotificationType"] = input.NotificationType;
-  }
-  return bodyParams;
+  return {
+    ...(input.NotificationArn !== undefined && {
+      NotificationArn: input.NotificationArn
+    }),
+    ...(input.NotificationEvents !== undefined && {
+      NotificationEvents: serializeAws_json1_1NotificationEventList(
+        input.NotificationEvents,
+        context
+      )
+    }),
+    ...(input.NotificationType !== undefined && {
+      NotificationType: input.NotificationType
+    })
+  };
 };
 
 const serializeAws_json1_1NotificationEventList = (
@@ -19138,35 +18536,27 @@ const serializeAws_json1_1OpsAggregator = (
   input: OpsAggregator,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AggregatorType !== undefined) {
-    bodyParams["AggregatorType"] = input.AggregatorType;
-  }
-  if (input.Aggregators !== undefined) {
-    bodyParams["Aggregators"] = serializeAws_json1_1OpsAggregatorList(
-      input.Aggregators,
-      context
-    );
-  }
-  if (input.AttributeName !== undefined) {
-    bodyParams["AttributeName"] = input.AttributeName;
-  }
-  if (input.Filters !== undefined) {
-    bodyParams["Filters"] = serializeAws_json1_1OpsFilterList(
-      input.Filters,
-      context
-    );
-  }
-  if (input.TypeName !== undefined) {
-    bodyParams["TypeName"] = input.TypeName;
-  }
-  if (input.Values !== undefined) {
-    bodyParams["Values"] = serializeAws_json1_1OpsAggregatorValueMap(
-      input.Values,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.AggregatorType !== undefined && {
+      AggregatorType: input.AggregatorType
+    }),
+    ...(input.Aggregators !== undefined && {
+      Aggregators: serializeAws_json1_1OpsAggregatorList(
+        input.Aggregators,
+        context
+      )
+    }),
+    ...(input.AttributeName !== undefined && {
+      AttributeName: input.AttributeName
+    }),
+    ...(input.Filters !== undefined && {
+      Filters: serializeAws_json1_1OpsFilterList(input.Filters, context)
+    }),
+    ...(input.TypeName !== undefined && { TypeName: input.TypeName }),
+    ...(input.Values !== undefined && {
+      Values: serializeAws_json1_1OpsAggregatorValueMap(input.Values, context)
+    })
+  };
 };
 
 const serializeAws_json1_1OpsAggregatorList = (
@@ -19190,20 +18580,13 @@ const serializeAws_json1_1OpsFilter = (
   input: OpsFilter,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Key !== undefined) {
-    bodyParams["Key"] = input.Key;
-  }
-  if (input.Type !== undefined) {
-    bodyParams["Type"] = input.Type;
-  }
-  if (input.Values !== undefined) {
-    bodyParams["Values"] = serializeAws_json1_1OpsFilterValueList(
-      input.Values,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Key !== undefined && { Key: input.Key }),
+    ...(input.Type !== undefined && { Type: input.Type }),
+    ...(input.Values !== undefined && {
+      Values: serializeAws_json1_1OpsFilterValueList(input.Values, context)
+    })
+  };
 };
 
 const serializeAws_json1_1OpsFilterList = (
@@ -19224,34 +18607,23 @@ const serializeAws_json1_1OpsItemDataValue = (
   input: OpsItemDataValue,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Type !== undefined) {
-    bodyParams["Type"] = input.Type;
-  }
-  if (input.Value !== undefined) {
-    bodyParams["Value"] = input.Value;
-  }
-  return bodyParams;
+  return {
+    ...(input.Type !== undefined && { Type: input.Type }),
+    ...(input.Value !== undefined && { Value: input.Value })
+  };
 };
 
 const serializeAws_json1_1OpsItemFilter = (
   input: OpsItemFilter,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Key !== undefined) {
-    bodyParams["Key"] = input.Key;
-  }
-  if (input.Operator !== undefined) {
-    bodyParams["Operator"] = input.Operator;
-  }
-  if (input.Values !== undefined) {
-    bodyParams["Values"] = serializeAws_json1_1OpsItemFilterValues(
-      input.Values,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Key !== undefined && { Key: input.Key }),
+    ...(input.Operator !== undefined && { Operator: input.Operator }),
+    ...(input.Values !== undefined && {
+      Values: serializeAws_json1_1OpsItemFilterValues(input.Values, context)
+    })
+  };
 };
 
 const serializeAws_json1_1OpsItemFilterValues = (
@@ -19272,11 +18644,9 @@ const serializeAws_json1_1OpsItemNotification = (
   input: OpsItemNotification,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Arn !== undefined) {
-    bodyParams["Arn"] = input.Arn;
-  }
-  return bodyParams;
+  return {
+    ...(input.Arn !== undefined && { Arn: input.Arn })
+  };
 };
 
 const serializeAws_json1_1OpsItemNotifications = (
@@ -19309,11 +18679,9 @@ const serializeAws_json1_1OpsResultAttribute = (
   input: OpsResultAttribute,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.TypeName !== undefined) {
-    bodyParams["TypeName"] = input.TypeName;
-  }
-  return bodyParams;
+  return {
+    ...(input.TypeName !== undefined && { TypeName: input.TypeName })
+  };
 };
 
 const serializeAws_json1_1OpsResultAttributeList = (
@@ -19343,20 +18711,16 @@ const serializeAws_json1_1ParameterStringFilter = (
   input: ParameterStringFilter,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Key !== undefined) {
-    bodyParams["Key"] = input.Key;
-  }
-  if (input.Option !== undefined) {
-    bodyParams["Option"] = input.Option;
-  }
-  if (input.Values !== undefined) {
-    bodyParams["Values"] = serializeAws_json1_1ParameterStringFilterValueList(
-      input.Values,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Key !== undefined && { Key: input.Key }),
+    ...(input.Option !== undefined && { Option: input.Option }),
+    ...(input.Values !== undefined && {
+      Values: serializeAws_json1_1ParameterStringFilterValueList(
+        input.Values,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1ParameterStringFilterList = (
@@ -19396,17 +18760,15 @@ const serializeAws_json1_1ParametersFilter = (
   input: ParametersFilter,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Key !== undefined) {
-    bodyParams["Key"] = input.Key;
-  }
-  if (input.Values !== undefined) {
-    bodyParams["Values"] = serializeAws_json1_1ParametersFilterValueList(
-      input.Values,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Key !== undefined && { Key: input.Key }),
+    ...(input.Values !== undefined && {
+      Values: serializeAws_json1_1ParametersFilterValueList(
+        input.Values,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1ParametersFilterList = (
@@ -19429,31 +18791,26 @@ const serializeAws_json1_1PatchFilter = (
   input: PatchFilter,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Key !== undefined) {
-    bodyParams["Key"] = input.Key;
-  }
-  if (input.Values !== undefined) {
-    bodyParams["Values"] = serializeAws_json1_1PatchFilterValueList(
-      input.Values,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Key !== undefined && { Key: input.Key }),
+    ...(input.Values !== undefined && {
+      Values: serializeAws_json1_1PatchFilterValueList(input.Values, context)
+    })
+  };
 };
 
 const serializeAws_json1_1PatchFilterGroup = (
   input: PatchFilterGroup,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.PatchFilters !== undefined) {
-    bodyParams["PatchFilters"] = serializeAws_json1_1PatchFilterList(
-      input.PatchFilters,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.PatchFilters !== undefined && {
+      PatchFilters: serializeAws_json1_1PatchFilterList(
+        input.PatchFilters,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1PatchFilterList = (
@@ -19481,17 +18838,15 @@ const serializeAws_json1_1PatchOrchestratorFilter = (
   input: PatchOrchestratorFilter,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Key !== undefined) {
-    bodyParams["Key"] = input.Key;
-  }
-  if (input.Values !== undefined) {
-    bodyParams["Values"] = serializeAws_json1_1PatchOrchestratorFilterValues(
-      input.Values,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Key !== undefined && { Key: input.Key }),
+    ...(input.Values !== undefined && {
+      Values: serializeAws_json1_1PatchOrchestratorFilterValues(
+        input.Values,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1PatchOrchestratorFilterList = (
@@ -19514,37 +18869,34 @@ const serializeAws_json1_1PatchRule = (
   input: PatchRule,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ApproveAfterDays !== undefined) {
-    bodyParams["ApproveAfterDays"] = input.ApproveAfterDays;
-  }
-  if (input.ComplianceLevel !== undefined) {
-    bodyParams["ComplianceLevel"] = input.ComplianceLevel;
-  }
-  if (input.EnableNonSecurity !== undefined) {
-    bodyParams["EnableNonSecurity"] = input.EnableNonSecurity;
-  }
-  if (input.PatchFilterGroup !== undefined) {
-    bodyParams["PatchFilterGroup"] = serializeAws_json1_1PatchFilterGroup(
-      input.PatchFilterGroup,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ApproveAfterDays !== undefined && {
+      ApproveAfterDays: input.ApproveAfterDays
+    }),
+    ...(input.ComplianceLevel !== undefined && {
+      ComplianceLevel: input.ComplianceLevel
+    }),
+    ...(input.EnableNonSecurity !== undefined && {
+      EnableNonSecurity: input.EnableNonSecurity
+    }),
+    ...(input.PatchFilterGroup !== undefined && {
+      PatchFilterGroup: serializeAws_json1_1PatchFilterGroup(
+        input.PatchFilterGroup,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1PatchRuleGroup = (
   input: PatchRuleGroup,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.PatchRules !== undefined) {
-    bodyParams["PatchRules"] = serializeAws_json1_1PatchRuleList(
-      input.PatchRules,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.PatchRules !== undefined && {
+      PatchRules: serializeAws_json1_1PatchRuleList(input.PatchRules, context)
+    })
+  };
 };
 
 const serializeAws_json1_1PatchRuleList = (
@@ -19558,20 +18910,18 @@ const serializeAws_json1_1PatchSource = (
   input: PatchSource,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Configuration !== undefined) {
-    bodyParams["Configuration"] = input.Configuration;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.Products !== undefined) {
-    bodyParams["Products"] = serializeAws_json1_1PatchSourceProductList(
-      input.Products,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Configuration !== undefined && {
+      Configuration: input.Configuration
+    }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.Products !== undefined && {
+      Products: serializeAws_json1_1PatchSourceProductList(
+        input.Products,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1PatchSourceList = (
@@ -19592,89 +18942,61 @@ const serializeAws_json1_1PutComplianceItemsRequest = (
   input: PutComplianceItemsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ComplianceType !== undefined) {
-    bodyParams["ComplianceType"] = input.ComplianceType;
-  }
-  if (input.ExecutionSummary !== undefined) {
-    bodyParams[
-      "ExecutionSummary"
-    ] = serializeAws_json1_1ComplianceExecutionSummary(
-      input.ExecutionSummary,
-      context
-    );
-  }
-  if (input.ItemContentHash !== undefined) {
-    bodyParams["ItemContentHash"] = input.ItemContentHash;
-  }
-  if (input.Items !== undefined) {
-    bodyParams["Items"] = serializeAws_json1_1ComplianceItemEntryList(
-      input.Items,
-      context
-    );
-  }
-  if (input.ResourceId !== undefined) {
-    bodyParams["ResourceId"] = input.ResourceId;
-  }
-  if (input.ResourceType !== undefined) {
-    bodyParams["ResourceType"] = input.ResourceType;
-  }
-  return bodyParams;
+  return {
+    ...(input.ComplianceType !== undefined && {
+      ComplianceType: input.ComplianceType
+    }),
+    ...(input.ExecutionSummary !== undefined && {
+      ExecutionSummary: serializeAws_json1_1ComplianceExecutionSummary(
+        input.ExecutionSummary,
+        context
+      )
+    }),
+    ...(input.ItemContentHash !== undefined && {
+      ItemContentHash: input.ItemContentHash
+    }),
+    ...(input.Items !== undefined && {
+      Items: serializeAws_json1_1ComplianceItemEntryList(input.Items, context)
+    }),
+    ...(input.ResourceId !== undefined && { ResourceId: input.ResourceId }),
+    ...(input.ResourceType !== undefined && {
+      ResourceType: input.ResourceType
+    })
+  };
 };
 
 const serializeAws_json1_1PutInventoryRequest = (
   input: PutInventoryRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.InstanceId !== undefined) {
-    bodyParams["InstanceId"] = input.InstanceId;
-  }
-  if (input.Items !== undefined) {
-    bodyParams["Items"] = serializeAws_json1_1InventoryItemList(
-      input.Items,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.InstanceId !== undefined && { InstanceId: input.InstanceId }),
+    ...(input.Items !== undefined && {
+      Items: serializeAws_json1_1InventoryItemList(input.Items, context)
+    })
+  };
 };
 
 const serializeAws_json1_1PutParameterRequest = (
   input: PutParameterRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AllowedPattern !== undefined) {
-    bodyParams["AllowedPattern"] = input.AllowedPattern;
-  }
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.KeyId !== undefined) {
-    bodyParams["KeyId"] = input.KeyId;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.Overwrite !== undefined) {
-    bodyParams["Overwrite"] = input.Overwrite;
-  }
-  if (input.Policies !== undefined) {
-    bodyParams["Policies"] = input.Policies;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagList(input.Tags, context);
-  }
-  if (input.Tier !== undefined) {
-    bodyParams["Tier"] = input.Tier;
-  }
-  if (input.Type !== undefined) {
-    bodyParams["Type"] = input.Type;
-  }
-  if (input.Value !== undefined) {
-    bodyParams["Value"] = input.Value;
-  }
-  return bodyParams;
+  return {
+    ...(input.AllowedPattern !== undefined && {
+      AllowedPattern: input.AllowedPattern
+    }),
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.KeyId !== undefined && { KeyId: input.KeyId }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.Overwrite !== undefined && { Overwrite: input.Overwrite }),
+    ...(input.Policies !== undefined && { Policies: input.Policies }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagList(input.Tags, context)
+    }),
+    ...(input.Tier !== undefined && { Tier: input.Tier }),
+    ...(input.Type !== undefined && { Type: input.Type }),
+    ...(input.Value !== undefined && { Value: input.Value })
+  };
 };
 
 const serializeAws_json1_1Regions = (
@@ -19688,134 +19010,89 @@ const serializeAws_json1_1RegisterDefaultPatchBaselineRequest = (
   input: RegisterDefaultPatchBaselineRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.BaselineId !== undefined) {
-    bodyParams["BaselineId"] = input.BaselineId;
-  }
-  return bodyParams;
+  return {
+    ...(input.BaselineId !== undefined && { BaselineId: input.BaselineId })
+  };
 };
 
 const serializeAws_json1_1RegisterPatchBaselineForPatchGroupRequest = (
   input: RegisterPatchBaselineForPatchGroupRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.BaselineId !== undefined) {
-    bodyParams["BaselineId"] = input.BaselineId;
-  }
-  if (input.PatchGroup !== undefined) {
-    bodyParams["PatchGroup"] = input.PatchGroup;
-  }
-  return bodyParams;
+  return {
+    ...(input.BaselineId !== undefined && { BaselineId: input.BaselineId }),
+    ...(input.PatchGroup !== undefined && { PatchGroup: input.PatchGroup })
+  };
 };
 
 const serializeAws_json1_1RegisterTargetWithMaintenanceWindowRequest = (
   input: RegisterTargetWithMaintenanceWindowRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ClientToken === undefined) {
-    input.ClientToken = generateIdempotencyToken();
-  }
-  if (input.ClientToken !== undefined) {
-    bodyParams["ClientToken"] = input.ClientToken;
-  }
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.OwnerInformation !== undefined) {
-    bodyParams["OwnerInformation"] = input.OwnerInformation;
-  }
-  if (input.ResourceType !== undefined) {
-    bodyParams["ResourceType"] = input.ResourceType;
-  }
-  if (input.Targets !== undefined) {
-    bodyParams["Targets"] = serializeAws_json1_1Targets(input.Targets, context);
-  }
-  if (input.WindowId !== undefined) {
-    bodyParams["WindowId"] = input.WindowId;
-  }
-  return bodyParams;
+  return {
+    ClientToken: input.ClientToken ?? generateIdempotencyToken(),
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.OwnerInformation !== undefined && {
+      OwnerInformation: input.OwnerInformation
+    }),
+    ...(input.ResourceType !== undefined && {
+      ResourceType: input.ResourceType
+    }),
+    ...(input.Targets !== undefined && {
+      Targets: serializeAws_json1_1Targets(input.Targets, context)
+    }),
+    ...(input.WindowId !== undefined && { WindowId: input.WindowId })
+  };
 };
 
 const serializeAws_json1_1RegisterTaskWithMaintenanceWindowRequest = (
   input: RegisterTaskWithMaintenanceWindowRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ClientToken === undefined) {
-    input.ClientToken = generateIdempotencyToken();
-  }
-  if (input.ClientToken !== undefined) {
-    bodyParams["ClientToken"] = input.ClientToken;
-  }
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.LoggingInfo !== undefined) {
-    bodyParams["LoggingInfo"] = serializeAws_json1_1LoggingInfo(
-      input.LoggingInfo,
-      context
-    );
-  }
-  if (input.MaxConcurrency !== undefined) {
-    bodyParams["MaxConcurrency"] = input.MaxConcurrency;
-  }
-  if (input.MaxErrors !== undefined) {
-    bodyParams["MaxErrors"] = input.MaxErrors;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.Priority !== undefined) {
-    bodyParams["Priority"] = input.Priority;
-  }
-  if (input.ServiceRoleArn !== undefined) {
-    bodyParams["ServiceRoleArn"] = input.ServiceRoleArn;
-  }
-  if (input.Targets !== undefined) {
-    bodyParams["Targets"] = serializeAws_json1_1Targets(input.Targets, context);
-  }
-  if (input.TaskArn !== undefined) {
-    bodyParams["TaskArn"] = input.TaskArn;
-  }
-  if (input.TaskInvocationParameters !== undefined) {
-    bodyParams[
-      "TaskInvocationParameters"
-    ] = serializeAws_json1_1MaintenanceWindowTaskInvocationParameters(
-      input.TaskInvocationParameters,
-      context
-    );
-  }
-  if (input.TaskParameters !== undefined) {
-    bodyParams[
-      "TaskParameters"
-    ] = serializeAws_json1_1MaintenanceWindowTaskParameters(
-      input.TaskParameters,
-      context
-    );
-  }
-  if (input.TaskType !== undefined) {
-    bodyParams["TaskType"] = input.TaskType;
-  }
-  if (input.WindowId !== undefined) {
-    bodyParams["WindowId"] = input.WindowId;
-  }
-  return bodyParams;
+  return {
+    ClientToken: input.ClientToken ?? generateIdempotencyToken(),
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.LoggingInfo !== undefined && {
+      LoggingInfo: serializeAws_json1_1LoggingInfo(input.LoggingInfo, context)
+    }),
+    ...(input.MaxConcurrency !== undefined && {
+      MaxConcurrency: input.MaxConcurrency
+    }),
+    ...(input.MaxErrors !== undefined && { MaxErrors: input.MaxErrors }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.Priority !== undefined && { Priority: input.Priority }),
+    ...(input.ServiceRoleArn !== undefined && {
+      ServiceRoleArn: input.ServiceRoleArn
+    }),
+    ...(input.Targets !== undefined && {
+      Targets: serializeAws_json1_1Targets(input.Targets, context)
+    }),
+    ...(input.TaskArn !== undefined && { TaskArn: input.TaskArn }),
+    ...(input.TaskInvocationParameters !== undefined && {
+      TaskInvocationParameters: serializeAws_json1_1MaintenanceWindowTaskInvocationParameters(
+        input.TaskInvocationParameters,
+        context
+      )
+    }),
+    ...(input.TaskParameters !== undefined && {
+      TaskParameters: serializeAws_json1_1MaintenanceWindowTaskParameters(
+        input.TaskParameters,
+        context
+      )
+    }),
+    ...(input.TaskType !== undefined && { TaskType: input.TaskType }),
+    ...(input.WindowId !== undefined && { WindowId: input.WindowId })
+  };
 };
 
 const serializeAws_json1_1RelatedOpsItem = (
   input: RelatedOpsItem,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.OpsItemId !== undefined) {
-    bodyParams["OpsItemId"] = input.OpsItemId;
-  }
-  return bodyParams;
+  return {
+    ...(input.OpsItemId !== undefined && { OpsItemId: input.OpsItemId })
+  };
 };
 
 const serializeAws_json1_1RelatedOpsItems = (
@@ -19829,58 +19106,52 @@ const serializeAws_json1_1RemoveTagsFromResourceRequest = (
   input: RemoveTagsFromResourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceId !== undefined) {
-    bodyParams["ResourceId"] = input.ResourceId;
-  }
-  if (input.ResourceType !== undefined) {
-    bodyParams["ResourceType"] = input.ResourceType;
-  }
-  if (input.TagKeys !== undefined) {
-    bodyParams["TagKeys"] = serializeAws_json1_1KeyList(input.TagKeys, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceId !== undefined && { ResourceId: input.ResourceId }),
+    ...(input.ResourceType !== undefined && {
+      ResourceType: input.ResourceType
+    }),
+    ...(input.TagKeys !== undefined && {
+      TagKeys: serializeAws_json1_1KeyList(input.TagKeys, context)
+    })
+  };
 };
 
 const serializeAws_json1_1ResetServiceSettingRequest = (
   input: ResetServiceSettingRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.SettingId !== undefined) {
-    bodyParams["SettingId"] = input.SettingId;
-  }
-  return bodyParams;
+  return {
+    ...(input.SettingId !== undefined && { SettingId: input.SettingId })
+  };
 };
 
 const serializeAws_json1_1ResourceDataSyncAwsOrganizationsSource = (
   input: ResourceDataSyncAwsOrganizationsSource,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.OrganizationSourceType !== undefined) {
-    bodyParams["OrganizationSourceType"] = input.OrganizationSourceType;
-  }
-  if (input.OrganizationalUnits !== undefined) {
-    bodyParams[
-      "OrganizationalUnits"
-    ] = serializeAws_json1_1ResourceDataSyncOrganizationalUnitList(
-      input.OrganizationalUnits,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.OrganizationSourceType !== undefined && {
+      OrganizationSourceType: input.OrganizationSourceType
+    }),
+    ...(input.OrganizationalUnits !== undefined && {
+      OrganizationalUnits: serializeAws_json1_1ResourceDataSyncOrganizationalUnitList(
+        input.OrganizationalUnits,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1ResourceDataSyncOrganizationalUnit = (
   input: ResourceDataSyncOrganizationalUnit,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.OrganizationalUnitId !== undefined) {
-    bodyParams["OrganizationalUnitId"] = input.OrganizationalUnitId;
-  }
-  return bodyParams;
+  return {
+    ...(input.OrganizationalUnitId !== undefined && {
+      OrganizationalUnitId: input.OrganizationalUnitId
+    })
+  };
 };
 
 const serializeAws_json1_1ResourceDataSyncOrganizationalUnitList = (
@@ -19896,53 +19167,39 @@ const serializeAws_json1_1ResourceDataSyncS3Destination = (
   input: ResourceDataSyncS3Destination,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AWSKMSKeyARN !== undefined) {
-    bodyParams["AWSKMSKeyARN"] = input.AWSKMSKeyARN;
-  }
-  if (input.BucketName !== undefined) {
-    bodyParams["BucketName"] = input.BucketName;
-  }
-  if (input.Prefix !== undefined) {
-    bodyParams["Prefix"] = input.Prefix;
-  }
-  if (input.Region !== undefined) {
-    bodyParams["Region"] = input.Region;
-  }
-  if (input.SyncFormat !== undefined) {
-    bodyParams["SyncFormat"] = input.SyncFormat;
-  }
-  return bodyParams;
+  return {
+    ...(input.AWSKMSKeyARN !== undefined && {
+      AWSKMSKeyARN: input.AWSKMSKeyARN
+    }),
+    ...(input.BucketName !== undefined && { BucketName: input.BucketName }),
+    ...(input.Prefix !== undefined && { Prefix: input.Prefix }),
+    ...(input.Region !== undefined && { Region: input.Region }),
+    ...(input.SyncFormat !== undefined && { SyncFormat: input.SyncFormat })
+  };
 };
 
 const serializeAws_json1_1ResourceDataSyncSource = (
   input: ResourceDataSyncSource,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AwsOrganizationsSource !== undefined) {
-    bodyParams[
-      "AwsOrganizationsSource"
-    ] = serializeAws_json1_1ResourceDataSyncAwsOrganizationsSource(
-      input.AwsOrganizationsSource,
-      context
-    );
-  }
-  if (input.IncludeFutureRegions !== undefined) {
-    bodyParams["IncludeFutureRegions"] = input.IncludeFutureRegions;
-  }
-  if (input.SourceRegions !== undefined) {
-    bodyParams[
-      "SourceRegions"
-    ] = serializeAws_json1_1ResourceDataSyncSourceRegionList(
-      input.SourceRegions,
-      context
-    );
-  }
-  if (input.SourceType !== undefined) {
-    bodyParams["SourceType"] = input.SourceType;
-  }
-  return bodyParams;
+  return {
+    ...(input.AwsOrganizationsSource !== undefined && {
+      AwsOrganizationsSource: serializeAws_json1_1ResourceDataSyncAwsOrganizationsSource(
+        input.AwsOrganizationsSource,
+        context
+      )
+    }),
+    ...(input.IncludeFutureRegions !== undefined && {
+      IncludeFutureRegions: input.IncludeFutureRegions
+    }),
+    ...(input.SourceRegions !== undefined && {
+      SourceRegions: serializeAws_json1_1ResourceDataSyncSourceRegionList(
+        input.SourceRegions,
+        context
+      )
+    }),
+    ...(input.SourceType !== undefined && { SourceType: input.SourceType })
+  };
 };
 
 const serializeAws_json1_1ResourceDataSyncSourceRegionList = (
@@ -19956,11 +19213,9 @@ const serializeAws_json1_1ResultAttribute = (
   input: ResultAttribute,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.TypeName !== undefined) {
-    bodyParams["TypeName"] = input.TypeName;
-  }
-  return bodyParams;
+  return {
+    ...(input.TypeName !== undefined && { TypeName: input.TypeName })
+  };
 };
 
 const serializeAws_json1_1ResultAttributeList = (
@@ -19976,135 +19231,118 @@ const serializeAws_json1_1ResumeSessionRequest = (
   input: ResumeSessionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.SessionId !== undefined) {
-    bodyParams["SessionId"] = input.SessionId;
-  }
-  return bodyParams;
+  return {
+    ...(input.SessionId !== undefined && { SessionId: input.SessionId })
+  };
 };
 
 const serializeAws_json1_1S3OutputLocation = (
   input: S3OutputLocation,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.OutputS3BucketName !== undefined) {
-    bodyParams["OutputS3BucketName"] = input.OutputS3BucketName;
-  }
-  if (input.OutputS3KeyPrefix !== undefined) {
-    bodyParams["OutputS3KeyPrefix"] = input.OutputS3KeyPrefix;
-  }
-  if (input.OutputS3Region !== undefined) {
-    bodyParams["OutputS3Region"] = input.OutputS3Region;
-  }
-  return bodyParams;
+  return {
+    ...(input.OutputS3BucketName !== undefined && {
+      OutputS3BucketName: input.OutputS3BucketName
+    }),
+    ...(input.OutputS3KeyPrefix !== undefined && {
+      OutputS3KeyPrefix: input.OutputS3KeyPrefix
+    }),
+    ...(input.OutputS3Region !== undefined && {
+      OutputS3Region: input.OutputS3Region
+    })
+  };
 };
 
 const serializeAws_json1_1SendAutomationSignalRequest = (
   input: SendAutomationSignalRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AutomationExecutionId !== undefined) {
-    bodyParams["AutomationExecutionId"] = input.AutomationExecutionId;
-  }
-  if (input.Payload !== undefined) {
-    bodyParams["Payload"] = serializeAws_json1_1AutomationParameterMap(
-      input.Payload,
-      context
-    );
-  }
-  if (input.SignalType !== undefined) {
-    bodyParams["SignalType"] = input.SignalType;
-  }
-  return bodyParams;
+  return {
+    ...(input.AutomationExecutionId !== undefined && {
+      AutomationExecutionId: input.AutomationExecutionId
+    }),
+    ...(input.Payload !== undefined && {
+      Payload: serializeAws_json1_1AutomationParameterMap(
+        input.Payload,
+        context
+      )
+    }),
+    ...(input.SignalType !== undefined && { SignalType: input.SignalType })
+  };
 };
 
 const serializeAws_json1_1SendCommandRequest = (
   input: SendCommandRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CloudWatchOutputConfig !== undefined) {
-    bodyParams[
-      "CloudWatchOutputConfig"
-    ] = serializeAws_json1_1CloudWatchOutputConfig(
-      input.CloudWatchOutputConfig,
-      context
-    );
-  }
-  if (input.Comment !== undefined) {
-    bodyParams["Comment"] = input.Comment;
-  }
-  if (input.DocumentHash !== undefined) {
-    bodyParams["DocumentHash"] = input.DocumentHash;
-  }
-  if (input.DocumentHashType !== undefined) {
-    bodyParams["DocumentHashType"] = input.DocumentHashType;
-  }
-  if (input.DocumentName !== undefined) {
-    bodyParams["DocumentName"] = input.DocumentName;
-  }
-  if (input.DocumentVersion !== undefined) {
-    bodyParams["DocumentVersion"] = input.DocumentVersion;
-  }
-  if (input.InstanceIds !== undefined) {
-    bodyParams["InstanceIds"] = serializeAws_json1_1InstanceIdList(
-      input.InstanceIds,
-      context
-    );
-  }
-  if (input.MaxConcurrency !== undefined) {
-    bodyParams["MaxConcurrency"] = input.MaxConcurrency;
-  }
-  if (input.MaxErrors !== undefined) {
-    bodyParams["MaxErrors"] = input.MaxErrors;
-  }
-  if (input.NotificationConfig !== undefined) {
-    bodyParams["NotificationConfig"] = serializeAws_json1_1NotificationConfig(
-      input.NotificationConfig,
-      context
-    );
-  }
-  if (input.OutputS3BucketName !== undefined) {
-    bodyParams["OutputS3BucketName"] = input.OutputS3BucketName;
-  }
-  if (input.OutputS3KeyPrefix !== undefined) {
-    bodyParams["OutputS3KeyPrefix"] = input.OutputS3KeyPrefix;
-  }
-  if (input.OutputS3Region !== undefined) {
-    bodyParams["OutputS3Region"] = input.OutputS3Region;
-  }
-  if (input.Parameters !== undefined) {
-    bodyParams["Parameters"] = serializeAws_json1_1Parameters(
-      input.Parameters,
-      context
-    );
-  }
-  if (input.ServiceRoleArn !== undefined) {
-    bodyParams["ServiceRoleArn"] = input.ServiceRoleArn;
-  }
-  if (input.Targets !== undefined) {
-    bodyParams["Targets"] = serializeAws_json1_1Targets(input.Targets, context);
-  }
-  if (input.TimeoutSeconds !== undefined) {
-    bodyParams["TimeoutSeconds"] = input.TimeoutSeconds;
-  }
-  return bodyParams;
+  return {
+    ...(input.CloudWatchOutputConfig !== undefined && {
+      CloudWatchOutputConfig: serializeAws_json1_1CloudWatchOutputConfig(
+        input.CloudWatchOutputConfig,
+        context
+      )
+    }),
+    ...(input.Comment !== undefined && { Comment: input.Comment }),
+    ...(input.DocumentHash !== undefined && {
+      DocumentHash: input.DocumentHash
+    }),
+    ...(input.DocumentHashType !== undefined && {
+      DocumentHashType: input.DocumentHashType
+    }),
+    ...(input.DocumentName !== undefined && {
+      DocumentName: input.DocumentName
+    }),
+    ...(input.DocumentVersion !== undefined && {
+      DocumentVersion: input.DocumentVersion
+    }),
+    ...(input.InstanceIds !== undefined && {
+      InstanceIds: serializeAws_json1_1InstanceIdList(
+        input.InstanceIds,
+        context
+      )
+    }),
+    ...(input.MaxConcurrency !== undefined && {
+      MaxConcurrency: input.MaxConcurrency
+    }),
+    ...(input.MaxErrors !== undefined && { MaxErrors: input.MaxErrors }),
+    ...(input.NotificationConfig !== undefined && {
+      NotificationConfig: serializeAws_json1_1NotificationConfig(
+        input.NotificationConfig,
+        context
+      )
+    }),
+    ...(input.OutputS3BucketName !== undefined && {
+      OutputS3BucketName: input.OutputS3BucketName
+    }),
+    ...(input.OutputS3KeyPrefix !== undefined && {
+      OutputS3KeyPrefix: input.OutputS3KeyPrefix
+    }),
+    ...(input.OutputS3Region !== undefined && {
+      OutputS3Region: input.OutputS3Region
+    }),
+    ...(input.Parameters !== undefined && {
+      Parameters: serializeAws_json1_1Parameters(input.Parameters, context)
+    }),
+    ...(input.ServiceRoleArn !== undefined && {
+      ServiceRoleArn: input.ServiceRoleArn
+    }),
+    ...(input.Targets !== undefined && {
+      Targets: serializeAws_json1_1Targets(input.Targets, context)
+    }),
+    ...(input.TimeoutSeconds !== undefined && {
+      TimeoutSeconds: input.TimeoutSeconds
+    })
+  };
 };
 
 const serializeAws_json1_1SessionFilter = (
   input: SessionFilter,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.key !== undefined) {
-    bodyParams["key"] = input.key;
-  }
-  if (input.value !== undefined) {
-    bodyParams["value"] = input.value;
-  }
-  return bodyParams;
+  return {
+    ...(input.key !== undefined && { key: input.key }),
+    ...(input.value !== undefined && { value: input.value })
+  };
 };
 
 const serializeAws_json1_1SessionFilterList = (
@@ -20138,104 +19376,91 @@ const serializeAws_json1_1StartAssociationsOnceRequest = (
   input: StartAssociationsOnceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AssociationIds !== undefined) {
-    bodyParams["AssociationIds"] = serializeAws_json1_1AssociationIdList(
-      input.AssociationIds,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.AssociationIds !== undefined && {
+      AssociationIds: serializeAws_json1_1AssociationIdList(
+        input.AssociationIds,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1StartAutomationExecutionRequest = (
   input: StartAutomationExecutionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ClientToken !== undefined) {
-    bodyParams["ClientToken"] = input.ClientToken;
-  }
-  if (input.DocumentName !== undefined) {
-    bodyParams["DocumentName"] = input.DocumentName;
-  }
-  if (input.DocumentVersion !== undefined) {
-    bodyParams["DocumentVersion"] = input.DocumentVersion;
-  }
-  if (input.MaxConcurrency !== undefined) {
-    bodyParams["MaxConcurrency"] = input.MaxConcurrency;
-  }
-  if (input.MaxErrors !== undefined) {
-    bodyParams["MaxErrors"] = input.MaxErrors;
-  }
-  if (input.Mode !== undefined) {
-    bodyParams["Mode"] = input.Mode;
-  }
-  if (input.Parameters !== undefined) {
-    bodyParams["Parameters"] = serializeAws_json1_1AutomationParameterMap(
-      input.Parameters,
-      context
-    );
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagList(input.Tags, context);
-  }
-  if (input.TargetLocations !== undefined) {
-    bodyParams["TargetLocations"] = serializeAws_json1_1TargetLocations(
-      input.TargetLocations,
-      context
-    );
-  }
-  if (input.TargetMaps !== undefined) {
-    bodyParams["TargetMaps"] = serializeAws_json1_1TargetMaps(
-      input.TargetMaps,
-      context
-    );
-  }
-  if (input.TargetParameterName !== undefined) {
-    bodyParams["TargetParameterName"] = input.TargetParameterName;
-  }
-  if (input.Targets !== undefined) {
-    bodyParams["Targets"] = serializeAws_json1_1Targets(input.Targets, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.ClientToken !== undefined && { ClientToken: input.ClientToken }),
+    ...(input.DocumentName !== undefined && {
+      DocumentName: input.DocumentName
+    }),
+    ...(input.DocumentVersion !== undefined && {
+      DocumentVersion: input.DocumentVersion
+    }),
+    ...(input.MaxConcurrency !== undefined && {
+      MaxConcurrency: input.MaxConcurrency
+    }),
+    ...(input.MaxErrors !== undefined && { MaxErrors: input.MaxErrors }),
+    ...(input.Mode !== undefined && { Mode: input.Mode }),
+    ...(input.Parameters !== undefined && {
+      Parameters: serializeAws_json1_1AutomationParameterMap(
+        input.Parameters,
+        context
+      )
+    }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagList(input.Tags, context)
+    }),
+    ...(input.TargetLocations !== undefined && {
+      TargetLocations: serializeAws_json1_1TargetLocations(
+        input.TargetLocations,
+        context
+      )
+    }),
+    ...(input.TargetMaps !== undefined && {
+      TargetMaps: serializeAws_json1_1TargetMaps(input.TargetMaps, context)
+    }),
+    ...(input.TargetParameterName !== undefined && {
+      TargetParameterName: input.TargetParameterName
+    }),
+    ...(input.Targets !== undefined && {
+      Targets: serializeAws_json1_1Targets(input.Targets, context)
+    })
+  };
 };
 
 const serializeAws_json1_1StartSessionRequest = (
   input: StartSessionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DocumentName !== undefined) {
-    bodyParams["DocumentName"] = input.DocumentName;
-  }
-  if (input.Parameters !== undefined) {
-    bodyParams["Parameters"] = serializeAws_json1_1SessionManagerParameters(
-      input.Parameters,
-      context
-    );
-  }
-  if (input.Target !== undefined) {
-    bodyParams["Target"] = input.Target;
-  }
-  return bodyParams;
+  return {
+    ...(input.DocumentName !== undefined && {
+      DocumentName: input.DocumentName
+    }),
+    ...(input.Parameters !== undefined && {
+      Parameters: serializeAws_json1_1SessionManagerParameters(
+        input.Parameters,
+        context
+      )
+    }),
+    ...(input.Target !== undefined && { Target: input.Target })
+  };
 };
 
 const serializeAws_json1_1StepExecutionFilter = (
   input: StepExecutionFilter,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Key !== undefined) {
-    bodyParams["Key"] = input.Key;
-  }
-  if (input.Values !== undefined) {
-    bodyParams["Values"] = serializeAws_json1_1StepExecutionFilterValueList(
-      input.Values,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Key !== undefined && { Key: input.Key }),
+    ...(input.Values !== undefined && {
+      Values: serializeAws_json1_1StepExecutionFilterValueList(
+        input.Values,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1StepExecutionFilterList = (
@@ -20258,14 +19483,12 @@ const serializeAws_json1_1StopAutomationExecutionRequest = (
   input: StopAutomationExecutionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AutomationExecutionId !== undefined) {
-    bodyParams["AutomationExecutionId"] = input.AutomationExecutionId;
-  }
-  if (input.Type !== undefined) {
-    bodyParams["Type"] = input.Type;
-  }
-  return bodyParams;
+  return {
+    ...(input.AutomationExecutionId !== undefined && {
+      AutomationExecutionId: input.AutomationExecutionId
+    }),
+    ...(input.Type !== undefined && { Type: input.Type })
+  };
 };
 
 const serializeAws_json1_1StringList = (
@@ -20276,14 +19499,10 @@ const serializeAws_json1_1StringList = (
 };
 
 const serializeAws_json1_1Tag = (input: Tag, context: __SerdeContext): any => {
-  const bodyParams: any = {};
-  if (input.Key !== undefined) {
-    bodyParams["Key"] = input.Key;
-  }
-  if (input.Value !== undefined) {
-    bodyParams["Value"] = input.Value;
-  }
-  return bodyParams;
+  return {
+    ...(input.Key !== undefined && { Key: input.Key }),
+    ...(input.Value !== undefined && { Value: input.Value })
+  };
 };
 
 const serializeAws_json1_1TagList = (
@@ -20297,44 +19516,35 @@ const serializeAws_json1_1Target = (
   input: Target,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Key !== undefined) {
-    bodyParams["Key"] = input.Key;
-  }
-  if (input.Values !== undefined) {
-    bodyParams["Values"] = serializeAws_json1_1TargetValues(
-      input.Values,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Key !== undefined && { Key: input.Key }),
+    ...(input.Values !== undefined && {
+      Values: serializeAws_json1_1TargetValues(input.Values, context)
+    })
+  };
 };
 
 const serializeAws_json1_1TargetLocation = (
   input: TargetLocation,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Accounts !== undefined) {
-    bodyParams["Accounts"] = serializeAws_json1_1Accounts(
-      input.Accounts,
-      context
-    );
-  }
-  if (input.ExecutionRoleName !== undefined) {
-    bodyParams["ExecutionRoleName"] = input.ExecutionRoleName;
-  }
-  if (input.Regions !== undefined) {
-    bodyParams["Regions"] = serializeAws_json1_1Regions(input.Regions, context);
-  }
-  if (input.TargetLocationMaxConcurrency !== undefined) {
-    bodyParams["TargetLocationMaxConcurrency"] =
-      input.TargetLocationMaxConcurrency;
-  }
-  if (input.TargetLocationMaxErrors !== undefined) {
-    bodyParams["TargetLocationMaxErrors"] = input.TargetLocationMaxErrors;
-  }
-  return bodyParams;
+  return {
+    ...(input.Accounts !== undefined && {
+      Accounts: serializeAws_json1_1Accounts(input.Accounts, context)
+    }),
+    ...(input.ExecutionRoleName !== undefined && {
+      ExecutionRoleName: input.ExecutionRoleName
+    }),
+    ...(input.Regions !== undefined && {
+      Regions: serializeAws_json1_1Regions(input.Regions, context)
+    }),
+    ...(input.TargetLocationMaxConcurrency !== undefined && {
+      TargetLocationMaxConcurrency: input.TargetLocationMaxConcurrency
+    }),
+    ...(input.TargetLocationMaxErrors !== undefined && {
+      TargetLocationMaxErrors: input.TargetLocationMaxErrors
+    })
+  };
 };
 
 const serializeAws_json1_1TargetLocations = (
@@ -20386,433 +19596,319 @@ const serializeAws_json1_1TerminateSessionRequest = (
   input: TerminateSessionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.SessionId !== undefined) {
-    bodyParams["SessionId"] = input.SessionId;
-  }
-  return bodyParams;
+  return {
+    ...(input.SessionId !== undefined && { SessionId: input.SessionId })
+  };
 };
 
 const serializeAws_json1_1UpdateAssociationRequest = (
   input: UpdateAssociationRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AssociationId !== undefined) {
-    bodyParams["AssociationId"] = input.AssociationId;
-  }
-  if (input.AssociationName !== undefined) {
-    bodyParams["AssociationName"] = input.AssociationName;
-  }
-  if (input.AssociationVersion !== undefined) {
-    bodyParams["AssociationVersion"] = input.AssociationVersion;
-  }
-  if (input.AutomationTargetParameterName !== undefined) {
-    bodyParams["AutomationTargetParameterName"] =
-      input.AutomationTargetParameterName;
-  }
-  if (input.ComplianceSeverity !== undefined) {
-    bodyParams["ComplianceSeverity"] = input.ComplianceSeverity;
-  }
-  if (input.DocumentVersion !== undefined) {
-    bodyParams["DocumentVersion"] = input.DocumentVersion;
-  }
-  if (input.MaxConcurrency !== undefined) {
-    bodyParams["MaxConcurrency"] = input.MaxConcurrency;
-  }
-  if (input.MaxErrors !== undefined) {
-    bodyParams["MaxErrors"] = input.MaxErrors;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.OutputLocation !== undefined) {
-    bodyParams[
-      "OutputLocation"
-    ] = serializeAws_json1_1InstanceAssociationOutputLocation(
-      input.OutputLocation,
-      context
-    );
-  }
-  if (input.Parameters !== undefined) {
-    bodyParams["Parameters"] = serializeAws_json1_1Parameters(
-      input.Parameters,
-      context
-    );
-  }
-  if (input.ScheduleExpression !== undefined) {
-    bodyParams["ScheduleExpression"] = input.ScheduleExpression;
-  }
-  if (input.Targets !== undefined) {
-    bodyParams["Targets"] = serializeAws_json1_1Targets(input.Targets, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.AssociationId !== undefined && {
+      AssociationId: input.AssociationId
+    }),
+    ...(input.AssociationName !== undefined && {
+      AssociationName: input.AssociationName
+    }),
+    ...(input.AssociationVersion !== undefined && {
+      AssociationVersion: input.AssociationVersion
+    }),
+    ...(input.AutomationTargetParameterName !== undefined && {
+      AutomationTargetParameterName: input.AutomationTargetParameterName
+    }),
+    ...(input.ComplianceSeverity !== undefined && {
+      ComplianceSeverity: input.ComplianceSeverity
+    }),
+    ...(input.DocumentVersion !== undefined && {
+      DocumentVersion: input.DocumentVersion
+    }),
+    ...(input.MaxConcurrency !== undefined && {
+      MaxConcurrency: input.MaxConcurrency
+    }),
+    ...(input.MaxErrors !== undefined && { MaxErrors: input.MaxErrors }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.OutputLocation !== undefined && {
+      OutputLocation: serializeAws_json1_1InstanceAssociationOutputLocation(
+        input.OutputLocation,
+        context
+      )
+    }),
+    ...(input.Parameters !== undefined && {
+      Parameters: serializeAws_json1_1Parameters(input.Parameters, context)
+    }),
+    ...(input.ScheduleExpression !== undefined && {
+      ScheduleExpression: input.ScheduleExpression
+    }),
+    ...(input.Targets !== undefined && {
+      Targets: serializeAws_json1_1Targets(input.Targets, context)
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateAssociationStatusRequest = (
   input: UpdateAssociationStatusRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AssociationStatus !== undefined) {
-    bodyParams["AssociationStatus"] = serializeAws_json1_1AssociationStatus(
-      input.AssociationStatus,
-      context
-    );
-  }
-  if (input.InstanceId !== undefined) {
-    bodyParams["InstanceId"] = input.InstanceId;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.AssociationStatus !== undefined && {
+      AssociationStatus: serializeAws_json1_1AssociationStatus(
+        input.AssociationStatus,
+        context
+      )
+    }),
+    ...(input.InstanceId !== undefined && { InstanceId: input.InstanceId }),
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1UpdateDocumentDefaultVersionRequest = (
   input: UpdateDocumentDefaultVersionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DocumentVersion !== undefined) {
-    bodyParams["DocumentVersion"] = input.DocumentVersion;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.DocumentVersion !== undefined && {
+      DocumentVersion: input.DocumentVersion
+    }),
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1UpdateDocumentRequest = (
   input: UpdateDocumentRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Attachments !== undefined) {
-    bodyParams["Attachments"] = serializeAws_json1_1AttachmentsSourceList(
-      input.Attachments,
-      context
-    );
-  }
-  if (input.Content !== undefined) {
-    bodyParams["Content"] = input.Content;
-  }
-  if (input.DocumentFormat !== undefined) {
-    bodyParams["DocumentFormat"] = input.DocumentFormat;
-  }
-  if (input.DocumentVersion !== undefined) {
-    bodyParams["DocumentVersion"] = input.DocumentVersion;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.TargetType !== undefined) {
-    bodyParams["TargetType"] = input.TargetType;
-  }
-  if (input.VersionName !== undefined) {
-    bodyParams["VersionName"] = input.VersionName;
-  }
-  return bodyParams;
+  return {
+    ...(input.Attachments !== undefined && {
+      Attachments: serializeAws_json1_1AttachmentsSourceList(
+        input.Attachments,
+        context
+      )
+    }),
+    ...(input.Content !== undefined && { Content: input.Content }),
+    ...(input.DocumentFormat !== undefined && {
+      DocumentFormat: input.DocumentFormat
+    }),
+    ...(input.DocumentVersion !== undefined && {
+      DocumentVersion: input.DocumentVersion
+    }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.TargetType !== undefined && { TargetType: input.TargetType }),
+    ...(input.VersionName !== undefined && { VersionName: input.VersionName })
+  };
 };
 
 const serializeAws_json1_1UpdateMaintenanceWindowRequest = (
   input: UpdateMaintenanceWindowRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AllowUnassociatedTargets !== undefined) {
-    bodyParams["AllowUnassociatedTargets"] = input.AllowUnassociatedTargets;
-  }
-  if (input.Cutoff !== undefined) {
-    bodyParams["Cutoff"] = input.Cutoff;
-  }
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.Duration !== undefined) {
-    bodyParams["Duration"] = input.Duration;
-  }
-  if (input.Enabled !== undefined) {
-    bodyParams["Enabled"] = input.Enabled;
-  }
-  if (input.EndDate !== undefined) {
-    bodyParams["EndDate"] = input.EndDate;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.Replace !== undefined) {
-    bodyParams["Replace"] = input.Replace;
-  }
-  if (input.Schedule !== undefined) {
-    bodyParams["Schedule"] = input.Schedule;
-  }
-  if (input.ScheduleTimezone !== undefined) {
-    bodyParams["ScheduleTimezone"] = input.ScheduleTimezone;
-  }
-  if (input.StartDate !== undefined) {
-    bodyParams["StartDate"] = input.StartDate;
-  }
-  if (input.WindowId !== undefined) {
-    bodyParams["WindowId"] = input.WindowId;
-  }
-  return bodyParams;
+  return {
+    ...(input.AllowUnassociatedTargets !== undefined && {
+      AllowUnassociatedTargets: input.AllowUnassociatedTargets
+    }),
+    ...(input.Cutoff !== undefined && { Cutoff: input.Cutoff }),
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.Duration !== undefined && { Duration: input.Duration }),
+    ...(input.Enabled !== undefined && { Enabled: input.Enabled }),
+    ...(input.EndDate !== undefined && { EndDate: input.EndDate }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.Replace !== undefined && { Replace: input.Replace }),
+    ...(input.Schedule !== undefined && { Schedule: input.Schedule }),
+    ...(input.ScheduleTimezone !== undefined && {
+      ScheduleTimezone: input.ScheduleTimezone
+    }),
+    ...(input.StartDate !== undefined && { StartDate: input.StartDate }),
+    ...(input.WindowId !== undefined && { WindowId: input.WindowId })
+  };
 };
 
 const serializeAws_json1_1UpdateMaintenanceWindowTargetRequest = (
   input: UpdateMaintenanceWindowTargetRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.OwnerInformation !== undefined) {
-    bodyParams["OwnerInformation"] = input.OwnerInformation;
-  }
-  if (input.Replace !== undefined) {
-    bodyParams["Replace"] = input.Replace;
-  }
-  if (input.Targets !== undefined) {
-    bodyParams["Targets"] = serializeAws_json1_1Targets(input.Targets, context);
-  }
-  if (input.WindowId !== undefined) {
-    bodyParams["WindowId"] = input.WindowId;
-  }
-  if (input.WindowTargetId !== undefined) {
-    bodyParams["WindowTargetId"] = input.WindowTargetId;
-  }
-  return bodyParams;
+  return {
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.OwnerInformation !== undefined && {
+      OwnerInformation: input.OwnerInformation
+    }),
+    ...(input.Replace !== undefined && { Replace: input.Replace }),
+    ...(input.Targets !== undefined && {
+      Targets: serializeAws_json1_1Targets(input.Targets, context)
+    }),
+    ...(input.WindowId !== undefined && { WindowId: input.WindowId }),
+    ...(input.WindowTargetId !== undefined && {
+      WindowTargetId: input.WindowTargetId
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateMaintenanceWindowTaskRequest = (
   input: UpdateMaintenanceWindowTaskRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.LoggingInfo !== undefined) {
-    bodyParams["LoggingInfo"] = serializeAws_json1_1LoggingInfo(
-      input.LoggingInfo,
-      context
-    );
-  }
-  if (input.MaxConcurrency !== undefined) {
-    bodyParams["MaxConcurrency"] = input.MaxConcurrency;
-  }
-  if (input.MaxErrors !== undefined) {
-    bodyParams["MaxErrors"] = input.MaxErrors;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.Priority !== undefined) {
-    bodyParams["Priority"] = input.Priority;
-  }
-  if (input.Replace !== undefined) {
-    bodyParams["Replace"] = input.Replace;
-  }
-  if (input.ServiceRoleArn !== undefined) {
-    bodyParams["ServiceRoleArn"] = input.ServiceRoleArn;
-  }
-  if (input.Targets !== undefined) {
-    bodyParams["Targets"] = serializeAws_json1_1Targets(input.Targets, context);
-  }
-  if (input.TaskArn !== undefined) {
-    bodyParams["TaskArn"] = input.TaskArn;
-  }
-  if (input.TaskInvocationParameters !== undefined) {
-    bodyParams[
-      "TaskInvocationParameters"
-    ] = serializeAws_json1_1MaintenanceWindowTaskInvocationParameters(
-      input.TaskInvocationParameters,
-      context
-    );
-  }
-  if (input.TaskParameters !== undefined) {
-    bodyParams[
-      "TaskParameters"
-    ] = serializeAws_json1_1MaintenanceWindowTaskParameters(
-      input.TaskParameters,
-      context
-    );
-  }
-  if (input.WindowId !== undefined) {
-    bodyParams["WindowId"] = input.WindowId;
-  }
-  if (input.WindowTaskId !== undefined) {
-    bodyParams["WindowTaskId"] = input.WindowTaskId;
-  }
-  return bodyParams;
+  return {
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.LoggingInfo !== undefined && {
+      LoggingInfo: serializeAws_json1_1LoggingInfo(input.LoggingInfo, context)
+    }),
+    ...(input.MaxConcurrency !== undefined && {
+      MaxConcurrency: input.MaxConcurrency
+    }),
+    ...(input.MaxErrors !== undefined && { MaxErrors: input.MaxErrors }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.Priority !== undefined && { Priority: input.Priority }),
+    ...(input.Replace !== undefined && { Replace: input.Replace }),
+    ...(input.ServiceRoleArn !== undefined && {
+      ServiceRoleArn: input.ServiceRoleArn
+    }),
+    ...(input.Targets !== undefined && {
+      Targets: serializeAws_json1_1Targets(input.Targets, context)
+    }),
+    ...(input.TaskArn !== undefined && { TaskArn: input.TaskArn }),
+    ...(input.TaskInvocationParameters !== undefined && {
+      TaskInvocationParameters: serializeAws_json1_1MaintenanceWindowTaskInvocationParameters(
+        input.TaskInvocationParameters,
+        context
+      )
+    }),
+    ...(input.TaskParameters !== undefined && {
+      TaskParameters: serializeAws_json1_1MaintenanceWindowTaskParameters(
+        input.TaskParameters,
+        context
+      )
+    }),
+    ...(input.WindowId !== undefined && { WindowId: input.WindowId }),
+    ...(input.WindowTaskId !== undefined && {
+      WindowTaskId: input.WindowTaskId
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateManagedInstanceRoleRequest = (
   input: UpdateManagedInstanceRoleRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.IamRole !== undefined) {
-    bodyParams["IamRole"] = input.IamRole;
-  }
-  if (input.InstanceId !== undefined) {
-    bodyParams["InstanceId"] = input.InstanceId;
-  }
-  return bodyParams;
+  return {
+    ...(input.IamRole !== undefined && { IamRole: input.IamRole }),
+    ...(input.InstanceId !== undefined && { InstanceId: input.InstanceId })
+  };
 };
 
 const serializeAws_json1_1UpdateOpsItemRequest = (
   input: UpdateOpsItemRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Category !== undefined) {
-    bodyParams["Category"] = input.Category;
-  }
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.Notifications !== undefined) {
-    bodyParams["Notifications"] = serializeAws_json1_1OpsItemNotifications(
-      input.Notifications,
-      context
-    );
-  }
-  if (input.OperationalData !== undefined) {
-    bodyParams["OperationalData"] = serializeAws_json1_1OpsItemOperationalData(
-      input.OperationalData,
-      context
-    );
-  }
-  if (input.OperationalDataToDelete !== undefined) {
-    bodyParams[
-      "OperationalDataToDelete"
-    ] = serializeAws_json1_1OpsItemOpsDataKeysList(
-      input.OperationalDataToDelete,
-      context
-    );
-  }
-  if (input.OpsItemId !== undefined) {
-    bodyParams["OpsItemId"] = input.OpsItemId;
-  }
-  if (input.Priority !== undefined) {
-    bodyParams["Priority"] = input.Priority;
-  }
-  if (input.RelatedOpsItems !== undefined) {
-    bodyParams["RelatedOpsItems"] = serializeAws_json1_1RelatedOpsItems(
-      input.RelatedOpsItems,
-      context
-    );
-  }
-  if (input.Severity !== undefined) {
-    bodyParams["Severity"] = input.Severity;
-  }
-  if (input.Status !== undefined) {
-    bodyParams["Status"] = input.Status;
-  }
-  if (input.Title !== undefined) {
-    bodyParams["Title"] = input.Title;
-  }
-  return bodyParams;
+  return {
+    ...(input.Category !== undefined && { Category: input.Category }),
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.Notifications !== undefined && {
+      Notifications: serializeAws_json1_1OpsItemNotifications(
+        input.Notifications,
+        context
+      )
+    }),
+    ...(input.OperationalData !== undefined && {
+      OperationalData: serializeAws_json1_1OpsItemOperationalData(
+        input.OperationalData,
+        context
+      )
+    }),
+    ...(input.OperationalDataToDelete !== undefined && {
+      OperationalDataToDelete: serializeAws_json1_1OpsItemOpsDataKeysList(
+        input.OperationalDataToDelete,
+        context
+      )
+    }),
+    ...(input.OpsItemId !== undefined && { OpsItemId: input.OpsItemId }),
+    ...(input.Priority !== undefined && { Priority: input.Priority }),
+    ...(input.RelatedOpsItems !== undefined && {
+      RelatedOpsItems: serializeAws_json1_1RelatedOpsItems(
+        input.RelatedOpsItems,
+        context
+      )
+    }),
+    ...(input.Severity !== undefined && { Severity: input.Severity }),
+    ...(input.Status !== undefined && { Status: input.Status }),
+    ...(input.Title !== undefined && { Title: input.Title })
+  };
 };
 
 const serializeAws_json1_1UpdatePatchBaselineRequest = (
   input: UpdatePatchBaselineRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ApprovalRules !== undefined) {
-    bodyParams["ApprovalRules"] = serializeAws_json1_1PatchRuleGroup(
-      input.ApprovalRules,
-      context
-    );
-  }
-  if (input.ApprovedPatches !== undefined) {
-    bodyParams["ApprovedPatches"] = serializeAws_json1_1PatchIdList(
-      input.ApprovedPatches,
-      context
-    );
-  }
-  if (input.ApprovedPatchesComplianceLevel !== undefined) {
-    bodyParams["ApprovedPatchesComplianceLevel"] =
-      input.ApprovedPatchesComplianceLevel;
-  }
-  if (input.ApprovedPatchesEnableNonSecurity !== undefined) {
-    bodyParams["ApprovedPatchesEnableNonSecurity"] =
-      input.ApprovedPatchesEnableNonSecurity;
-  }
-  if (input.BaselineId !== undefined) {
-    bodyParams["BaselineId"] = input.BaselineId;
-  }
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.GlobalFilters !== undefined) {
-    bodyParams["GlobalFilters"] = serializeAws_json1_1PatchFilterGroup(
-      input.GlobalFilters,
-      context
-    );
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.RejectedPatches !== undefined) {
-    bodyParams["RejectedPatches"] = serializeAws_json1_1PatchIdList(
-      input.RejectedPatches,
-      context
-    );
-  }
-  if (input.RejectedPatchesAction !== undefined) {
-    bodyParams["RejectedPatchesAction"] = input.RejectedPatchesAction;
-  }
-  if (input.Replace !== undefined) {
-    bodyParams["Replace"] = input.Replace;
-  }
-  if (input.Sources !== undefined) {
-    bodyParams["Sources"] = serializeAws_json1_1PatchSourceList(
-      input.Sources,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ApprovalRules !== undefined && {
+      ApprovalRules: serializeAws_json1_1PatchRuleGroup(
+        input.ApprovalRules,
+        context
+      )
+    }),
+    ...(input.ApprovedPatches !== undefined && {
+      ApprovedPatches: serializeAws_json1_1PatchIdList(
+        input.ApprovedPatches,
+        context
+      )
+    }),
+    ...(input.ApprovedPatchesComplianceLevel !== undefined && {
+      ApprovedPatchesComplianceLevel: input.ApprovedPatchesComplianceLevel
+    }),
+    ...(input.ApprovedPatchesEnableNonSecurity !== undefined && {
+      ApprovedPatchesEnableNonSecurity: input.ApprovedPatchesEnableNonSecurity
+    }),
+    ...(input.BaselineId !== undefined && { BaselineId: input.BaselineId }),
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.GlobalFilters !== undefined && {
+      GlobalFilters: serializeAws_json1_1PatchFilterGroup(
+        input.GlobalFilters,
+        context
+      )
+    }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.RejectedPatches !== undefined && {
+      RejectedPatches: serializeAws_json1_1PatchIdList(
+        input.RejectedPatches,
+        context
+      )
+    }),
+    ...(input.RejectedPatchesAction !== undefined && {
+      RejectedPatchesAction: input.RejectedPatchesAction
+    }),
+    ...(input.Replace !== undefined && { Replace: input.Replace }),
+    ...(input.Sources !== undefined && {
+      Sources: serializeAws_json1_1PatchSourceList(input.Sources, context)
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateResourceDataSyncRequest = (
   input: UpdateResourceDataSyncRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.SyncName !== undefined) {
-    bodyParams["SyncName"] = input.SyncName;
-  }
-  if (input.SyncSource !== undefined) {
-    bodyParams["SyncSource"] = serializeAws_json1_1ResourceDataSyncSource(
-      input.SyncSource,
-      context
-    );
-  }
-  if (input.SyncType !== undefined) {
-    bodyParams["SyncType"] = input.SyncType;
-  }
-  return bodyParams;
+  return {
+    ...(input.SyncName !== undefined && { SyncName: input.SyncName }),
+    ...(input.SyncSource !== undefined && {
+      SyncSource: serializeAws_json1_1ResourceDataSyncSource(
+        input.SyncSource,
+        context
+      )
+    }),
+    ...(input.SyncType !== undefined && { SyncType: input.SyncType })
+  };
 };
 
 const serializeAws_json1_1UpdateServiceSettingRequest = (
   input: UpdateServiceSettingRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.SettingId !== undefined) {
-    bodyParams["SettingId"] = input.SettingId;
-  }
-  if (input.SettingValue !== undefined) {
-    bodyParams["SettingValue"] = input.SettingValue;
-  }
-  return bodyParams;
+  return {
+    ...(input.SettingId !== undefined && { SettingId: input.SettingId }),
+    ...(input.SettingValue !== undefined && {
+      SettingValue: input.SettingValue
+    })
+  };
 };
 
 const deserializeAws_json1_1AccountIdList = (
diff --git a/clients/client-storage-gateway/protocols/Aws_json1_1.ts b/clients/client-storage-gateway/protocols/Aws_json1_1.ts
index 31a3d70f73b7..951593b807ff 100644
--- a/clients/client-storage-gateway/protocols/Aws_json1_1.ts
+++ b/clients/client-storage-gateway/protocols/Aws_json1_1.ts
@@ -7178,182 +7178,147 @@ const serializeAws_json1_1AddWorkingStorageInput = (
   input: AddWorkingStorageInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DiskIds !== undefined) {
-    bodyParams["DiskIds"] = serializeAws_json1_1DiskIds(input.DiskIds, context);
-  }
-  if (input.GatewayARN !== undefined) {
-    bodyParams["GatewayARN"] = input.GatewayARN;
-  }
-  return bodyParams;
+  return {
+    ...(input.DiskIds !== undefined && {
+      DiskIds: serializeAws_json1_1DiskIds(input.DiskIds, context)
+    }),
+    ...(input.GatewayARN !== undefined && { GatewayARN: input.GatewayARN })
+  };
 };
 
 const serializeAws_json1_1CreateSnapshotInput = (
   input: CreateSnapshotInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.SnapshotDescription !== undefined) {
-    bodyParams["SnapshotDescription"] = input.SnapshotDescription;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1Tags(input.Tags, context);
-  }
-  if (input.VolumeARN !== undefined) {
-    bodyParams["VolumeARN"] = input.VolumeARN;
-  }
-  return bodyParams;
+  return {
+    ...(input.SnapshotDescription !== undefined && {
+      SnapshotDescription: input.SnapshotDescription
+    }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1Tags(input.Tags, context)
+    }),
+    ...(input.VolumeARN !== undefined && { VolumeARN: input.VolumeARN })
+  };
 };
 
 const serializeAws_json1_1CreateStorediSCSIVolumeInput = (
   input: CreateStorediSCSIVolumeInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DiskId !== undefined) {
-    bodyParams["DiskId"] = input.DiskId;
-  }
-  if (input.GatewayARN !== undefined) {
-    bodyParams["GatewayARN"] = input.GatewayARN;
-  }
-  if (input.KMSEncrypted !== undefined) {
-    bodyParams["KMSEncrypted"] = input.KMSEncrypted;
-  }
-  if (input.KMSKey !== undefined) {
-    bodyParams["KMSKey"] = input.KMSKey;
-  }
-  if (input.NetworkInterfaceId !== undefined) {
-    bodyParams["NetworkInterfaceId"] = input.NetworkInterfaceId;
-  }
-  if (input.PreserveExistingData !== undefined) {
-    bodyParams["PreserveExistingData"] = input.PreserveExistingData;
-  }
-  if (input.SnapshotId !== undefined) {
-    bodyParams["SnapshotId"] = input.SnapshotId;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1Tags(input.Tags, context);
-  }
-  if (input.TargetName !== undefined) {
-    bodyParams["TargetName"] = input.TargetName;
-  }
-  return bodyParams;
+  return {
+    ...(input.DiskId !== undefined && { DiskId: input.DiskId }),
+    ...(input.GatewayARN !== undefined && { GatewayARN: input.GatewayARN }),
+    ...(input.KMSEncrypted !== undefined && {
+      KMSEncrypted: input.KMSEncrypted
+    }),
+    ...(input.KMSKey !== undefined && { KMSKey: input.KMSKey }),
+    ...(input.NetworkInterfaceId !== undefined && {
+      NetworkInterfaceId: input.NetworkInterfaceId
+    }),
+    ...(input.PreserveExistingData !== undefined && {
+      PreserveExistingData: input.PreserveExistingData
+    }),
+    ...(input.SnapshotId !== undefined && { SnapshotId: input.SnapshotId }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1Tags(input.Tags, context)
+    }),
+    ...(input.TargetName !== undefined && { TargetName: input.TargetName })
+  };
 };
 
 const serializeAws_json1_1DeleteChapCredentialsInput = (
   input: DeleteChapCredentialsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.InitiatorName !== undefined) {
-    bodyParams["InitiatorName"] = input.InitiatorName;
-  }
-  if (input.TargetARN !== undefined) {
-    bodyParams["TargetARN"] = input.TargetARN;
-  }
-  return bodyParams;
+  return {
+    ...(input.InitiatorName !== undefined && {
+      InitiatorName: input.InitiatorName
+    }),
+    ...(input.TargetARN !== undefined && { TargetARN: input.TargetARN })
+  };
 };
 
 const serializeAws_json1_1DeleteGatewayInput = (
   input: DeleteGatewayInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.GatewayARN !== undefined) {
-    bodyParams["GatewayARN"] = input.GatewayARN;
-  }
-  return bodyParams;
+  return {
+    ...(input.GatewayARN !== undefined && { GatewayARN: input.GatewayARN })
+  };
 };
 
 const serializeAws_json1_1DeleteVolumeInput = (
   input: DeleteVolumeInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.VolumeARN !== undefined) {
-    bodyParams["VolumeARN"] = input.VolumeARN;
-  }
-  return bodyParams;
+  return {
+    ...(input.VolumeARN !== undefined && { VolumeARN: input.VolumeARN })
+  };
 };
 
 const serializeAws_json1_1DescribeBandwidthRateLimitInput = (
   input: DescribeBandwidthRateLimitInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.GatewayARN !== undefined) {
-    bodyParams["GatewayARN"] = input.GatewayARN;
-  }
-  return bodyParams;
+  return {
+    ...(input.GatewayARN !== undefined && { GatewayARN: input.GatewayARN })
+  };
 };
 
 const serializeAws_json1_1DescribeChapCredentialsInput = (
   input: DescribeChapCredentialsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.TargetARN !== undefined) {
-    bodyParams["TargetARN"] = input.TargetARN;
-  }
-  return bodyParams;
+  return {
+    ...(input.TargetARN !== undefined && { TargetARN: input.TargetARN })
+  };
 };
 
 const serializeAws_json1_1DescribeGatewayInformationInput = (
   input: DescribeGatewayInformationInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.GatewayARN !== undefined) {
-    bodyParams["GatewayARN"] = input.GatewayARN;
-  }
-  return bodyParams;
+  return {
+    ...(input.GatewayARN !== undefined && { GatewayARN: input.GatewayARN })
+  };
 };
 
 const serializeAws_json1_1DescribeMaintenanceStartTimeInput = (
   input: DescribeMaintenanceStartTimeInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.GatewayARN !== undefined) {
-    bodyParams["GatewayARN"] = input.GatewayARN;
-  }
-  return bodyParams;
+  return {
+    ...(input.GatewayARN !== undefined && { GatewayARN: input.GatewayARN })
+  };
 };
 
 const serializeAws_json1_1DescribeSnapshotScheduleInput = (
   input: DescribeSnapshotScheduleInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.VolumeARN !== undefined) {
-    bodyParams["VolumeARN"] = input.VolumeARN;
-  }
-  return bodyParams;
+  return {
+    ...(input.VolumeARN !== undefined && { VolumeARN: input.VolumeARN })
+  };
 };
 
 const serializeAws_json1_1DescribeStorediSCSIVolumesInput = (
   input: DescribeStorediSCSIVolumesInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.VolumeARNs !== undefined) {
-    bodyParams["VolumeARNs"] = serializeAws_json1_1VolumeARNs(
-      input.VolumeARNs,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.VolumeARNs !== undefined && {
+      VolumeARNs: serializeAws_json1_1VolumeARNs(input.VolumeARNs, context)
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeWorkingStorageInput = (
   input: DescribeWorkingStorageInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.GatewayARN !== undefined) {
-    bodyParams["GatewayARN"] = input.GatewayARN;
-  }
-  return bodyParams;
+  return {
+    ...(input.GatewayARN !== undefined && { GatewayARN: input.GatewayARN })
+  };
 };
 
 const serializeAws_json1_1DiskIds = (
@@ -7367,161 +7332,124 @@ const serializeAws_json1_1ListGatewaysInput = (
   input: ListGatewaysInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.Marker !== undefined) {
-    bodyParams["Marker"] = input.Marker;
-  }
-  return bodyParams;
+  return {
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.Marker !== undefined && { Marker: input.Marker })
+  };
 };
 
 const serializeAws_json1_1ListLocalDisksInput = (
   input: ListLocalDisksInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.GatewayARN !== undefined) {
-    bodyParams["GatewayARN"] = input.GatewayARN;
-  }
-  return bodyParams;
+  return {
+    ...(input.GatewayARN !== undefined && { GatewayARN: input.GatewayARN })
+  };
 };
 
 const serializeAws_json1_1ListVolumesInput = (
   input: ListVolumesInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.GatewayARN !== undefined) {
-    bodyParams["GatewayARN"] = input.GatewayARN;
-  }
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.Marker !== undefined) {
-    bodyParams["Marker"] = input.Marker;
-  }
-  return bodyParams;
+  return {
+    ...(input.GatewayARN !== undefined && { GatewayARN: input.GatewayARN }),
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.Marker !== undefined && { Marker: input.Marker })
+  };
 };
 
 const serializeAws_json1_1ShutdownGatewayInput = (
   input: ShutdownGatewayInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.GatewayARN !== undefined) {
-    bodyParams["GatewayARN"] = input.GatewayARN;
-  }
-  return bodyParams;
+  return {
+    ...(input.GatewayARN !== undefined && { GatewayARN: input.GatewayARN })
+  };
 };
 
 const serializeAws_json1_1StartGatewayInput = (
   input: StartGatewayInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.GatewayARN !== undefined) {
-    bodyParams["GatewayARN"] = input.GatewayARN;
-  }
-  return bodyParams;
+  return {
+    ...(input.GatewayARN !== undefined && { GatewayARN: input.GatewayARN })
+  };
 };
 
 const serializeAws_json1_1UpdateBandwidthRateLimitInput = (
   input: UpdateBandwidthRateLimitInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AverageDownloadRateLimitInBitsPerSec !== undefined) {
-    bodyParams["AverageDownloadRateLimitInBitsPerSec"] =
-      input.AverageDownloadRateLimitInBitsPerSec;
-  }
-  if (input.AverageUploadRateLimitInBitsPerSec !== undefined) {
-    bodyParams["AverageUploadRateLimitInBitsPerSec"] =
-      input.AverageUploadRateLimitInBitsPerSec;
-  }
-  if (input.GatewayARN !== undefined) {
-    bodyParams["GatewayARN"] = input.GatewayARN;
-  }
-  return bodyParams;
+  return {
+    ...(input.AverageDownloadRateLimitInBitsPerSec !== undefined && {
+      AverageDownloadRateLimitInBitsPerSec:
+        input.AverageDownloadRateLimitInBitsPerSec
+    }),
+    ...(input.AverageUploadRateLimitInBitsPerSec !== undefined && {
+      AverageUploadRateLimitInBitsPerSec:
+        input.AverageUploadRateLimitInBitsPerSec
+    }),
+    ...(input.GatewayARN !== undefined && { GatewayARN: input.GatewayARN })
+  };
 };
 
 const serializeAws_json1_1UpdateChapCredentialsInput = (
   input: UpdateChapCredentialsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.InitiatorName !== undefined) {
-    bodyParams["InitiatorName"] = input.InitiatorName;
-  }
-  if (input.SecretToAuthenticateInitiator !== undefined) {
-    bodyParams["SecretToAuthenticateInitiator"] =
-      input.SecretToAuthenticateInitiator;
-  }
-  if (input.SecretToAuthenticateTarget !== undefined) {
-    bodyParams["SecretToAuthenticateTarget"] = input.SecretToAuthenticateTarget;
-  }
-  if (input.TargetARN !== undefined) {
-    bodyParams["TargetARN"] = input.TargetARN;
-  }
-  return bodyParams;
+  return {
+    ...(input.InitiatorName !== undefined && {
+      InitiatorName: input.InitiatorName
+    }),
+    ...(input.SecretToAuthenticateInitiator !== undefined && {
+      SecretToAuthenticateInitiator: input.SecretToAuthenticateInitiator
+    }),
+    ...(input.SecretToAuthenticateTarget !== undefined && {
+      SecretToAuthenticateTarget: input.SecretToAuthenticateTarget
+    }),
+    ...(input.TargetARN !== undefined && { TargetARN: input.TargetARN })
+  };
 };
 
 const serializeAws_json1_1UpdateGatewaySoftwareNowInput = (
   input: UpdateGatewaySoftwareNowInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.GatewayARN !== undefined) {
-    bodyParams["GatewayARN"] = input.GatewayARN;
-  }
-  return bodyParams;
+  return {
+    ...(input.GatewayARN !== undefined && { GatewayARN: input.GatewayARN })
+  };
 };
 
 const serializeAws_json1_1UpdateMaintenanceStartTimeInput = (
   input: UpdateMaintenanceStartTimeInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DayOfMonth !== undefined) {
-    bodyParams["DayOfMonth"] = input.DayOfMonth;
-  }
-  if (input.DayOfWeek !== undefined) {
-    bodyParams["DayOfWeek"] = input.DayOfWeek;
-  }
-  if (input.GatewayARN !== undefined) {
-    bodyParams["GatewayARN"] = input.GatewayARN;
-  }
-  if (input.HourOfDay !== undefined) {
-    bodyParams["HourOfDay"] = input.HourOfDay;
-  }
-  if (input.MinuteOfHour !== undefined) {
-    bodyParams["MinuteOfHour"] = input.MinuteOfHour;
-  }
-  return bodyParams;
+  return {
+    ...(input.DayOfMonth !== undefined && { DayOfMonth: input.DayOfMonth }),
+    ...(input.DayOfWeek !== undefined && { DayOfWeek: input.DayOfWeek }),
+    ...(input.GatewayARN !== undefined && { GatewayARN: input.GatewayARN }),
+    ...(input.HourOfDay !== undefined && { HourOfDay: input.HourOfDay }),
+    ...(input.MinuteOfHour !== undefined && {
+      MinuteOfHour: input.MinuteOfHour
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateSnapshotScheduleInput = (
   input: UpdateSnapshotScheduleInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.RecurrenceInHours !== undefined) {
-    bodyParams["RecurrenceInHours"] = input.RecurrenceInHours;
-  }
-  if (input.StartAt !== undefined) {
-    bodyParams["StartAt"] = input.StartAt;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1Tags(input.Tags, context);
-  }
-  if (input.VolumeARN !== undefined) {
-    bodyParams["VolumeARN"] = input.VolumeARN;
-  }
-  return bodyParams;
+  return {
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.RecurrenceInHours !== undefined && {
+      RecurrenceInHours: input.RecurrenceInHours
+    }),
+    ...(input.StartAt !== undefined && { StartAt: input.StartAt }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1Tags(input.Tags, context)
+    }),
+    ...(input.VolumeARN !== undefined && { VolumeARN: input.VolumeARN })
+  };
 };
 
 const serializeAws_json1_1VolumeARNs = (
@@ -7535,656 +7463,507 @@ const serializeAws_json1_1AddCacheInput = (
   input: AddCacheInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DiskIds !== undefined) {
-    bodyParams["DiskIds"] = serializeAws_json1_1DiskIds(input.DiskIds, context);
-  }
-  if (input.GatewayARN !== undefined) {
-    bodyParams["GatewayARN"] = input.GatewayARN;
-  }
-  return bodyParams;
+  return {
+    ...(input.DiskIds !== undefined && {
+      DiskIds: serializeAws_json1_1DiskIds(input.DiskIds, context)
+    }),
+    ...(input.GatewayARN !== undefined && { GatewayARN: input.GatewayARN })
+  };
 };
 
 const serializeAws_json1_1AddUploadBufferInput = (
   input: AddUploadBufferInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DiskIds !== undefined) {
-    bodyParams["DiskIds"] = serializeAws_json1_1DiskIds(input.DiskIds, context);
-  }
-  if (input.GatewayARN !== undefined) {
-    bodyParams["GatewayARN"] = input.GatewayARN;
-  }
-  return bodyParams;
+  return {
+    ...(input.DiskIds !== undefined && {
+      DiskIds: serializeAws_json1_1DiskIds(input.DiskIds, context)
+    }),
+    ...(input.GatewayARN !== undefined && { GatewayARN: input.GatewayARN })
+  };
 };
 
 const serializeAws_json1_1CreateCachediSCSIVolumeInput = (
   input: CreateCachediSCSIVolumeInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ClientToken !== undefined) {
-    bodyParams["ClientToken"] = input.ClientToken;
-  }
-  if (input.GatewayARN !== undefined) {
-    bodyParams["GatewayARN"] = input.GatewayARN;
-  }
-  if (input.KMSEncrypted !== undefined) {
-    bodyParams["KMSEncrypted"] = input.KMSEncrypted;
-  }
-  if (input.KMSKey !== undefined) {
-    bodyParams["KMSKey"] = input.KMSKey;
-  }
-  if (input.NetworkInterfaceId !== undefined) {
-    bodyParams["NetworkInterfaceId"] = input.NetworkInterfaceId;
-  }
-  if (input.SnapshotId !== undefined) {
-    bodyParams["SnapshotId"] = input.SnapshotId;
-  }
-  if (input.SourceVolumeARN !== undefined) {
-    bodyParams["SourceVolumeARN"] = input.SourceVolumeARN;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1Tags(input.Tags, context);
-  }
-  if (input.TargetName !== undefined) {
-    bodyParams["TargetName"] = input.TargetName;
-  }
-  if (input.VolumeSizeInBytes !== undefined) {
-    bodyParams["VolumeSizeInBytes"] = input.VolumeSizeInBytes;
-  }
-  return bodyParams;
+  return {
+    ...(input.ClientToken !== undefined && { ClientToken: input.ClientToken }),
+    ...(input.GatewayARN !== undefined && { GatewayARN: input.GatewayARN }),
+    ...(input.KMSEncrypted !== undefined && {
+      KMSEncrypted: input.KMSEncrypted
+    }),
+    ...(input.KMSKey !== undefined && { KMSKey: input.KMSKey }),
+    ...(input.NetworkInterfaceId !== undefined && {
+      NetworkInterfaceId: input.NetworkInterfaceId
+    }),
+    ...(input.SnapshotId !== undefined && { SnapshotId: input.SnapshotId }),
+    ...(input.SourceVolumeARN !== undefined && {
+      SourceVolumeARN: input.SourceVolumeARN
+    }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1Tags(input.Tags, context)
+    }),
+    ...(input.TargetName !== undefined && { TargetName: input.TargetName }),
+    ...(input.VolumeSizeInBytes !== undefined && {
+      VolumeSizeInBytes: input.VolumeSizeInBytes
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteSnapshotScheduleInput = (
   input: DeleteSnapshotScheduleInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.VolumeARN !== undefined) {
-    bodyParams["VolumeARN"] = input.VolumeARN;
-  }
-  return bodyParams;
+  return {
+    ...(input.VolumeARN !== undefined && { VolumeARN: input.VolumeARN })
+  };
 };
 
 const serializeAws_json1_1DescribeCacheInput = (
   input: DescribeCacheInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.GatewayARN !== undefined) {
-    bodyParams["GatewayARN"] = input.GatewayARN;
-  }
-  return bodyParams;
+  return {
+    ...(input.GatewayARN !== undefined && { GatewayARN: input.GatewayARN })
+  };
 };
 
 const serializeAws_json1_1DescribeCachediSCSIVolumesInput = (
   input: DescribeCachediSCSIVolumesInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.VolumeARNs !== undefined) {
-    bodyParams["VolumeARNs"] = serializeAws_json1_1VolumeARNs(
-      input.VolumeARNs,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.VolumeARNs !== undefined && {
+      VolumeARNs: serializeAws_json1_1VolumeARNs(input.VolumeARNs, context)
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeUploadBufferInput = (
   input: DescribeUploadBufferInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.GatewayARN !== undefined) {
-    bodyParams["GatewayARN"] = input.GatewayARN;
-  }
-  return bodyParams;
+  return {
+    ...(input.GatewayARN !== undefined && { GatewayARN: input.GatewayARN })
+  };
 };
 
 const serializeAws_json1_1ListVolumeRecoveryPointsInput = (
   input: ListVolumeRecoveryPointsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.GatewayARN !== undefined) {
-    bodyParams["GatewayARN"] = input.GatewayARN;
-  }
-  return bodyParams;
+  return {
+    ...(input.GatewayARN !== undefined && { GatewayARN: input.GatewayARN })
+  };
 };
 
 const serializeAws_json1_1ActivateGatewayInput = (
   input: ActivateGatewayInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ActivationKey !== undefined) {
-    bodyParams["ActivationKey"] = input.ActivationKey;
-  }
-  if (input.GatewayName !== undefined) {
-    bodyParams["GatewayName"] = input.GatewayName;
-  }
-  if (input.GatewayRegion !== undefined) {
-    bodyParams["GatewayRegion"] = input.GatewayRegion;
-  }
-  if (input.GatewayTimezone !== undefined) {
-    bodyParams["GatewayTimezone"] = input.GatewayTimezone;
-  }
-  if (input.GatewayType !== undefined) {
-    bodyParams["GatewayType"] = input.GatewayType;
-  }
-  if (input.MediumChangerType !== undefined) {
-    bodyParams["MediumChangerType"] = input.MediumChangerType;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1Tags(input.Tags, context);
-  }
-  if (input.TapeDriveType !== undefined) {
-    bodyParams["TapeDriveType"] = input.TapeDriveType;
-  }
-  return bodyParams;
+  return {
+    ...(input.ActivationKey !== undefined && {
+      ActivationKey: input.ActivationKey
+    }),
+    ...(input.GatewayName !== undefined && { GatewayName: input.GatewayName }),
+    ...(input.GatewayRegion !== undefined && {
+      GatewayRegion: input.GatewayRegion
+    }),
+    ...(input.GatewayTimezone !== undefined && {
+      GatewayTimezone: input.GatewayTimezone
+    }),
+    ...(input.GatewayType !== undefined && { GatewayType: input.GatewayType }),
+    ...(input.MediumChangerType !== undefined && {
+      MediumChangerType: input.MediumChangerType
+    }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1Tags(input.Tags, context)
+    }),
+    ...(input.TapeDriveType !== undefined && {
+      TapeDriveType: input.TapeDriveType
+    })
+  };
 };
 
 const serializeAws_json1_1AddTagsToResourceInput = (
   input: AddTagsToResourceInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceARN !== undefined) {
-    bodyParams["ResourceARN"] = input.ResourceARN;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1Tags(input.Tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceARN !== undefined && { ResourceARN: input.ResourceARN }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1Tags(input.Tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1AssignTapePoolInput = (
   input: AssignTapePoolInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.PoolId !== undefined) {
-    bodyParams["PoolId"] = input.PoolId;
-  }
-  if (input.TapeARN !== undefined) {
-    bodyParams["TapeARN"] = input.TapeARN;
-  }
-  return bodyParams;
+  return {
+    ...(input.PoolId !== undefined && { PoolId: input.PoolId }),
+    ...(input.TapeARN !== undefined && { TapeARN: input.TapeARN })
+  };
 };
 
 const serializeAws_json1_1AttachVolumeInput = (
   input: AttachVolumeInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DiskId !== undefined) {
-    bodyParams["DiskId"] = input.DiskId;
-  }
-  if (input.GatewayARN !== undefined) {
-    bodyParams["GatewayARN"] = input.GatewayARN;
-  }
-  if (input.NetworkInterfaceId !== undefined) {
-    bodyParams["NetworkInterfaceId"] = input.NetworkInterfaceId;
-  }
-  if (input.TargetName !== undefined) {
-    bodyParams["TargetName"] = input.TargetName;
-  }
-  if (input.VolumeARN !== undefined) {
-    bodyParams["VolumeARN"] = input.VolumeARN;
-  }
-  return bodyParams;
+  return {
+    ...(input.DiskId !== undefined && { DiskId: input.DiskId }),
+    ...(input.GatewayARN !== undefined && { GatewayARN: input.GatewayARN }),
+    ...(input.NetworkInterfaceId !== undefined && {
+      NetworkInterfaceId: input.NetworkInterfaceId
+    }),
+    ...(input.TargetName !== undefined && { TargetName: input.TargetName }),
+    ...(input.VolumeARN !== undefined && { VolumeARN: input.VolumeARN })
+  };
 };
 
 const serializeAws_json1_1CancelArchivalInput = (
   input: CancelArchivalInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.GatewayARN !== undefined) {
-    bodyParams["GatewayARN"] = input.GatewayARN;
-  }
-  if (input.TapeARN !== undefined) {
-    bodyParams["TapeARN"] = input.TapeARN;
-  }
-  return bodyParams;
+  return {
+    ...(input.GatewayARN !== undefined && { GatewayARN: input.GatewayARN }),
+    ...(input.TapeARN !== undefined && { TapeARN: input.TapeARN })
+  };
 };
 
 const serializeAws_json1_1CancelRetrievalInput = (
   input: CancelRetrievalInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.GatewayARN !== undefined) {
-    bodyParams["GatewayARN"] = input.GatewayARN;
-  }
-  if (input.TapeARN !== undefined) {
-    bodyParams["TapeARN"] = input.TapeARN;
-  }
-  return bodyParams;
+  return {
+    ...(input.GatewayARN !== undefined && { GatewayARN: input.GatewayARN }),
+    ...(input.TapeARN !== undefined && { TapeARN: input.TapeARN })
+  };
 };
 
 const serializeAws_json1_1CreateNFSFileShareInput = (
   input: CreateNFSFileShareInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ClientList !== undefined) {
-    bodyParams["ClientList"] = serializeAws_json1_1FileShareClientList(
-      input.ClientList,
-      context
-    );
-  }
-  if (input.ClientToken !== undefined) {
-    bodyParams["ClientToken"] = input.ClientToken;
-  }
-  if (input.DefaultStorageClass !== undefined) {
-    bodyParams["DefaultStorageClass"] = input.DefaultStorageClass;
-  }
-  if (input.GatewayARN !== undefined) {
-    bodyParams["GatewayARN"] = input.GatewayARN;
-  }
-  if (input.GuessMIMETypeEnabled !== undefined) {
-    bodyParams["GuessMIMETypeEnabled"] = input.GuessMIMETypeEnabled;
-  }
-  if (input.KMSEncrypted !== undefined) {
-    bodyParams["KMSEncrypted"] = input.KMSEncrypted;
-  }
-  if (input.KMSKey !== undefined) {
-    bodyParams["KMSKey"] = input.KMSKey;
-  }
-  if (input.LocationARN !== undefined) {
-    bodyParams["LocationARN"] = input.LocationARN;
-  }
-  if (input.NFSFileShareDefaults !== undefined) {
-    bodyParams[
-      "NFSFileShareDefaults"
-    ] = serializeAws_json1_1NFSFileShareDefaults(
-      input.NFSFileShareDefaults,
-      context
-    );
-  }
-  if (input.ObjectACL !== undefined) {
-    bodyParams["ObjectACL"] = input.ObjectACL;
-  }
-  if (input.ReadOnly !== undefined) {
-    bodyParams["ReadOnly"] = input.ReadOnly;
-  }
-  if (input.RequesterPays !== undefined) {
-    bodyParams["RequesterPays"] = input.RequesterPays;
-  }
-  if (input.Role !== undefined) {
-    bodyParams["Role"] = input.Role;
-  }
-  if (input.Squash !== undefined) {
-    bodyParams["Squash"] = input.Squash;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1Tags(input.Tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.ClientList !== undefined && {
+      ClientList: serializeAws_json1_1FileShareClientList(
+        input.ClientList,
+        context
+      )
+    }),
+    ...(input.ClientToken !== undefined && { ClientToken: input.ClientToken }),
+    ...(input.DefaultStorageClass !== undefined && {
+      DefaultStorageClass: input.DefaultStorageClass
+    }),
+    ...(input.GatewayARN !== undefined && { GatewayARN: input.GatewayARN }),
+    ...(input.GuessMIMETypeEnabled !== undefined && {
+      GuessMIMETypeEnabled: input.GuessMIMETypeEnabled
+    }),
+    ...(input.KMSEncrypted !== undefined && {
+      KMSEncrypted: input.KMSEncrypted
+    }),
+    ...(input.KMSKey !== undefined && { KMSKey: input.KMSKey }),
+    ...(input.LocationARN !== undefined && { LocationARN: input.LocationARN }),
+    ...(input.NFSFileShareDefaults !== undefined && {
+      NFSFileShareDefaults: serializeAws_json1_1NFSFileShareDefaults(
+        input.NFSFileShareDefaults,
+        context
+      )
+    }),
+    ...(input.ObjectACL !== undefined && { ObjectACL: input.ObjectACL }),
+    ...(input.ReadOnly !== undefined && { ReadOnly: input.ReadOnly }),
+    ...(input.RequesterPays !== undefined && {
+      RequesterPays: input.RequesterPays
+    }),
+    ...(input.Role !== undefined && { Role: input.Role }),
+    ...(input.Squash !== undefined && { Squash: input.Squash }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1Tags(input.Tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1CreateSMBFileShareInput = (
   input: CreateSMBFileShareInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AdminUserList !== undefined) {
-    bodyParams["AdminUserList"] = serializeAws_json1_1FileShareUserList(
-      input.AdminUserList,
-      context
-    );
-  }
-  if (input.Authentication !== undefined) {
-    bodyParams["Authentication"] = input.Authentication;
-  }
-  if (input.ClientToken !== undefined) {
-    bodyParams["ClientToken"] = input.ClientToken;
-  }
-  if (input.DefaultStorageClass !== undefined) {
-    bodyParams["DefaultStorageClass"] = input.DefaultStorageClass;
-  }
-  if (input.GatewayARN !== undefined) {
-    bodyParams["GatewayARN"] = input.GatewayARN;
-  }
-  if (input.GuessMIMETypeEnabled !== undefined) {
-    bodyParams["GuessMIMETypeEnabled"] = input.GuessMIMETypeEnabled;
-  }
-  if (input.InvalidUserList !== undefined) {
-    bodyParams["InvalidUserList"] = serializeAws_json1_1FileShareUserList(
-      input.InvalidUserList,
-      context
-    );
-  }
-  if (input.KMSEncrypted !== undefined) {
-    bodyParams["KMSEncrypted"] = input.KMSEncrypted;
-  }
-  if (input.KMSKey !== undefined) {
-    bodyParams["KMSKey"] = input.KMSKey;
-  }
-  if (input.LocationARN !== undefined) {
-    bodyParams["LocationARN"] = input.LocationARN;
-  }
-  if (input.ObjectACL !== undefined) {
-    bodyParams["ObjectACL"] = input.ObjectACL;
-  }
-  if (input.ReadOnly !== undefined) {
-    bodyParams["ReadOnly"] = input.ReadOnly;
-  }
-  if (input.RequesterPays !== undefined) {
-    bodyParams["RequesterPays"] = input.RequesterPays;
-  }
-  if (input.Role !== undefined) {
-    bodyParams["Role"] = input.Role;
-  }
-  if (input.SMBACLEnabled !== undefined) {
-    bodyParams["SMBACLEnabled"] = input.SMBACLEnabled;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1Tags(input.Tags, context);
-  }
-  if (input.ValidUserList !== undefined) {
-    bodyParams["ValidUserList"] = serializeAws_json1_1FileShareUserList(
-      input.ValidUserList,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.AdminUserList !== undefined && {
+      AdminUserList: serializeAws_json1_1FileShareUserList(
+        input.AdminUserList,
+        context
+      )
+    }),
+    ...(input.Authentication !== undefined && {
+      Authentication: input.Authentication
+    }),
+    ...(input.ClientToken !== undefined && { ClientToken: input.ClientToken }),
+    ...(input.DefaultStorageClass !== undefined && {
+      DefaultStorageClass: input.DefaultStorageClass
+    }),
+    ...(input.GatewayARN !== undefined && { GatewayARN: input.GatewayARN }),
+    ...(input.GuessMIMETypeEnabled !== undefined && {
+      GuessMIMETypeEnabled: input.GuessMIMETypeEnabled
+    }),
+    ...(input.InvalidUserList !== undefined && {
+      InvalidUserList: serializeAws_json1_1FileShareUserList(
+        input.InvalidUserList,
+        context
+      )
+    }),
+    ...(input.KMSEncrypted !== undefined && {
+      KMSEncrypted: input.KMSEncrypted
+    }),
+    ...(input.KMSKey !== undefined && { KMSKey: input.KMSKey }),
+    ...(input.LocationARN !== undefined && { LocationARN: input.LocationARN }),
+    ...(input.ObjectACL !== undefined && { ObjectACL: input.ObjectACL }),
+    ...(input.ReadOnly !== undefined && { ReadOnly: input.ReadOnly }),
+    ...(input.RequesterPays !== undefined && {
+      RequesterPays: input.RequesterPays
+    }),
+    ...(input.Role !== undefined && { Role: input.Role }),
+    ...(input.SMBACLEnabled !== undefined && {
+      SMBACLEnabled: input.SMBACLEnabled
+    }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1Tags(input.Tags, context)
+    }),
+    ...(input.ValidUserList !== undefined && {
+      ValidUserList: serializeAws_json1_1FileShareUserList(
+        input.ValidUserList,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1CreateSnapshotFromVolumeRecoveryPointInput = (
   input: CreateSnapshotFromVolumeRecoveryPointInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.SnapshotDescription !== undefined) {
-    bodyParams["SnapshotDescription"] = input.SnapshotDescription;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1Tags(input.Tags, context);
-  }
-  if (input.VolumeARN !== undefined) {
-    bodyParams["VolumeARN"] = input.VolumeARN;
-  }
-  return bodyParams;
+  return {
+    ...(input.SnapshotDescription !== undefined && {
+      SnapshotDescription: input.SnapshotDescription
+    }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1Tags(input.Tags, context)
+    }),
+    ...(input.VolumeARN !== undefined && { VolumeARN: input.VolumeARN })
+  };
 };
 
 const serializeAws_json1_1CreateTapeWithBarcodeInput = (
   input: CreateTapeWithBarcodeInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.GatewayARN !== undefined) {
-    bodyParams["GatewayARN"] = input.GatewayARN;
-  }
-  if (input.KMSEncrypted !== undefined) {
-    bodyParams["KMSEncrypted"] = input.KMSEncrypted;
-  }
-  if (input.KMSKey !== undefined) {
-    bodyParams["KMSKey"] = input.KMSKey;
-  }
-  if (input.PoolId !== undefined) {
-    bodyParams["PoolId"] = input.PoolId;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1Tags(input.Tags, context);
-  }
-  if (input.TapeBarcode !== undefined) {
-    bodyParams["TapeBarcode"] = input.TapeBarcode;
-  }
-  if (input.TapeSizeInBytes !== undefined) {
-    bodyParams["TapeSizeInBytes"] = input.TapeSizeInBytes;
-  }
-  return bodyParams;
+  return {
+    ...(input.GatewayARN !== undefined && { GatewayARN: input.GatewayARN }),
+    ...(input.KMSEncrypted !== undefined && {
+      KMSEncrypted: input.KMSEncrypted
+    }),
+    ...(input.KMSKey !== undefined && { KMSKey: input.KMSKey }),
+    ...(input.PoolId !== undefined && { PoolId: input.PoolId }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1Tags(input.Tags, context)
+    }),
+    ...(input.TapeBarcode !== undefined && { TapeBarcode: input.TapeBarcode }),
+    ...(input.TapeSizeInBytes !== undefined && {
+      TapeSizeInBytes: input.TapeSizeInBytes
+    })
+  };
 };
 
 const serializeAws_json1_1CreateTapesInput = (
   input: CreateTapesInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ClientToken !== undefined) {
-    bodyParams["ClientToken"] = input.ClientToken;
-  }
-  if (input.GatewayARN !== undefined) {
-    bodyParams["GatewayARN"] = input.GatewayARN;
-  }
-  if (input.KMSEncrypted !== undefined) {
-    bodyParams["KMSEncrypted"] = input.KMSEncrypted;
-  }
-  if (input.KMSKey !== undefined) {
-    bodyParams["KMSKey"] = input.KMSKey;
-  }
-  if (input.NumTapesToCreate !== undefined) {
-    bodyParams["NumTapesToCreate"] = input.NumTapesToCreate;
-  }
-  if (input.PoolId !== undefined) {
-    bodyParams["PoolId"] = input.PoolId;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1Tags(input.Tags, context);
-  }
-  if (input.TapeBarcodePrefix !== undefined) {
-    bodyParams["TapeBarcodePrefix"] = input.TapeBarcodePrefix;
-  }
-  if (input.TapeSizeInBytes !== undefined) {
-    bodyParams["TapeSizeInBytes"] = input.TapeSizeInBytes;
-  }
-  return bodyParams;
+  return {
+    ...(input.ClientToken !== undefined && { ClientToken: input.ClientToken }),
+    ...(input.GatewayARN !== undefined && { GatewayARN: input.GatewayARN }),
+    ...(input.KMSEncrypted !== undefined && {
+      KMSEncrypted: input.KMSEncrypted
+    }),
+    ...(input.KMSKey !== undefined && { KMSKey: input.KMSKey }),
+    ...(input.NumTapesToCreate !== undefined && {
+      NumTapesToCreate: input.NumTapesToCreate
+    }),
+    ...(input.PoolId !== undefined && { PoolId: input.PoolId }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1Tags(input.Tags, context)
+    }),
+    ...(input.TapeBarcodePrefix !== undefined && {
+      TapeBarcodePrefix: input.TapeBarcodePrefix
+    }),
+    ...(input.TapeSizeInBytes !== undefined && {
+      TapeSizeInBytes: input.TapeSizeInBytes
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteBandwidthRateLimitInput = (
   input: DeleteBandwidthRateLimitInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.BandwidthType !== undefined) {
-    bodyParams["BandwidthType"] = input.BandwidthType;
-  }
-  if (input.GatewayARN !== undefined) {
-    bodyParams["GatewayARN"] = input.GatewayARN;
-  }
-  return bodyParams;
+  return {
+    ...(input.BandwidthType !== undefined && {
+      BandwidthType: input.BandwidthType
+    }),
+    ...(input.GatewayARN !== undefined && { GatewayARN: input.GatewayARN })
+  };
 };
 
 const serializeAws_json1_1DeleteFileShareInput = (
   input: DeleteFileShareInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.FileShareARN !== undefined) {
-    bodyParams["FileShareARN"] = input.FileShareARN;
-  }
-  if (input.ForceDelete !== undefined) {
-    bodyParams["ForceDelete"] = input.ForceDelete;
-  }
-  return bodyParams;
+  return {
+    ...(input.FileShareARN !== undefined && {
+      FileShareARN: input.FileShareARN
+    }),
+    ...(input.ForceDelete !== undefined && { ForceDelete: input.ForceDelete })
+  };
 };
 
 const serializeAws_json1_1DeleteTapeArchiveInput = (
   input: DeleteTapeArchiveInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.TapeARN !== undefined) {
-    bodyParams["TapeARN"] = input.TapeARN;
-  }
-  return bodyParams;
+  return {
+    ...(input.TapeARN !== undefined && { TapeARN: input.TapeARN })
+  };
 };
 
 const serializeAws_json1_1DeleteTapeInput = (
   input: DeleteTapeInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.GatewayARN !== undefined) {
-    bodyParams["GatewayARN"] = input.GatewayARN;
-  }
-  if (input.TapeARN !== undefined) {
-    bodyParams["TapeARN"] = input.TapeARN;
-  }
-  return bodyParams;
+  return {
+    ...(input.GatewayARN !== undefined && { GatewayARN: input.GatewayARN }),
+    ...(input.TapeARN !== undefined && { TapeARN: input.TapeARN })
+  };
 };
 
 const serializeAws_json1_1DescribeAvailabilityMonitorTestInput = (
   input: DescribeAvailabilityMonitorTestInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.GatewayARN !== undefined) {
-    bodyParams["GatewayARN"] = input.GatewayARN;
-  }
-  return bodyParams;
+  return {
+    ...(input.GatewayARN !== undefined && { GatewayARN: input.GatewayARN })
+  };
 };
 
 const serializeAws_json1_1DescribeNFSFileSharesInput = (
   input: DescribeNFSFileSharesInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.FileShareARNList !== undefined) {
-    bodyParams["FileShareARNList"] = serializeAws_json1_1FileShareARNList(
-      input.FileShareARNList,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.FileShareARNList !== undefined && {
+      FileShareARNList: serializeAws_json1_1FileShareARNList(
+        input.FileShareARNList,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeSMBFileSharesInput = (
   input: DescribeSMBFileSharesInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.FileShareARNList !== undefined) {
-    bodyParams["FileShareARNList"] = serializeAws_json1_1FileShareARNList(
-      input.FileShareARNList,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.FileShareARNList !== undefined && {
+      FileShareARNList: serializeAws_json1_1FileShareARNList(
+        input.FileShareARNList,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeSMBSettingsInput = (
   input: DescribeSMBSettingsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.GatewayARN !== undefined) {
-    bodyParams["GatewayARN"] = input.GatewayARN;
-  }
-  return bodyParams;
+  return {
+    ...(input.GatewayARN !== undefined && { GatewayARN: input.GatewayARN })
+  };
 };
 
 const serializeAws_json1_1DescribeTapeArchivesInput = (
   input: DescribeTapeArchivesInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.Marker !== undefined) {
-    bodyParams["Marker"] = input.Marker;
-  }
-  if (input.TapeARNs !== undefined) {
-    bodyParams["TapeARNs"] = serializeAws_json1_1TapeARNs(
-      input.TapeARNs,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.Marker !== undefined && { Marker: input.Marker }),
+    ...(input.TapeARNs !== undefined && {
+      TapeARNs: serializeAws_json1_1TapeARNs(input.TapeARNs, context)
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeTapeRecoveryPointsInput = (
   input: DescribeTapeRecoveryPointsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.GatewayARN !== undefined) {
-    bodyParams["GatewayARN"] = input.GatewayARN;
-  }
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.Marker !== undefined) {
-    bodyParams["Marker"] = input.Marker;
-  }
-  return bodyParams;
+  return {
+    ...(input.GatewayARN !== undefined && { GatewayARN: input.GatewayARN }),
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.Marker !== undefined && { Marker: input.Marker })
+  };
 };
 
 const serializeAws_json1_1DescribeTapesInput = (
   input: DescribeTapesInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.GatewayARN !== undefined) {
-    bodyParams["GatewayARN"] = input.GatewayARN;
-  }
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.Marker !== undefined) {
-    bodyParams["Marker"] = input.Marker;
-  }
-  if (input.TapeARNs !== undefined) {
-    bodyParams["TapeARNs"] = serializeAws_json1_1TapeARNs(
-      input.TapeARNs,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.GatewayARN !== undefined && { GatewayARN: input.GatewayARN }),
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.Marker !== undefined && { Marker: input.Marker }),
+    ...(input.TapeARNs !== undefined && {
+      TapeARNs: serializeAws_json1_1TapeARNs(input.TapeARNs, context)
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeVTLDevicesInput = (
   input: DescribeVTLDevicesInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.GatewayARN !== undefined) {
-    bodyParams["GatewayARN"] = input.GatewayARN;
-  }
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.Marker !== undefined) {
-    bodyParams["Marker"] = input.Marker;
-  }
-  if (input.VTLDeviceARNs !== undefined) {
-    bodyParams["VTLDeviceARNs"] = serializeAws_json1_1VTLDeviceARNs(
-      input.VTLDeviceARNs,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.GatewayARN !== undefined && { GatewayARN: input.GatewayARN }),
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.Marker !== undefined && { Marker: input.Marker }),
+    ...(input.VTLDeviceARNs !== undefined && {
+      VTLDeviceARNs: serializeAws_json1_1VTLDeviceARNs(
+        input.VTLDeviceARNs,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1DetachVolumeInput = (
   input: DetachVolumeInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ForceDetach !== undefined) {
-    bodyParams["ForceDetach"] = input.ForceDetach;
-  }
-  if (input.VolumeARN !== undefined) {
-    bodyParams["VolumeARN"] = input.VolumeARN;
-  }
-  return bodyParams;
+  return {
+    ...(input.ForceDetach !== undefined && { ForceDetach: input.ForceDetach }),
+    ...(input.VolumeARN !== undefined && { VolumeARN: input.VolumeARN })
+  };
 };
 
 const serializeAws_json1_1DisableGatewayInput = (
   input: DisableGatewayInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.GatewayARN !== undefined) {
-    bodyParams["GatewayARN"] = input.GatewayARN;
-  }
-  return bodyParams;
+  return {
+    ...(input.GatewayARN !== undefined && { GatewayARN: input.GatewayARN })
+  };
 };
 
 const serializeAws_json1_1FileShareARNList = (
@@ -8226,251 +8005,187 @@ const serializeAws_json1_1JoinDomainInput = (
   input: JoinDomainInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DomainControllers !== undefined) {
-    bodyParams["DomainControllers"] = serializeAws_json1_1Hosts(
-      input.DomainControllers,
-      context
-    );
-  }
-  if (input.DomainName !== undefined) {
-    bodyParams["DomainName"] = input.DomainName;
-  }
-  if (input.GatewayARN !== undefined) {
-    bodyParams["GatewayARN"] = input.GatewayARN;
-  }
-  if (input.OrganizationalUnit !== undefined) {
-    bodyParams["OrganizationalUnit"] = input.OrganizationalUnit;
-  }
-  if (input.Password !== undefined) {
-    bodyParams["Password"] = input.Password;
-  }
-  if (input.TimeoutInSeconds !== undefined) {
-    bodyParams["TimeoutInSeconds"] = input.TimeoutInSeconds;
-  }
-  if (input.UserName !== undefined) {
-    bodyParams["UserName"] = input.UserName;
-  }
-  return bodyParams;
+  return {
+    ...(input.DomainControllers !== undefined && {
+      DomainControllers: serializeAws_json1_1Hosts(
+        input.DomainControllers,
+        context
+      )
+    }),
+    ...(input.DomainName !== undefined && { DomainName: input.DomainName }),
+    ...(input.GatewayARN !== undefined && { GatewayARN: input.GatewayARN }),
+    ...(input.OrganizationalUnit !== undefined && {
+      OrganizationalUnit: input.OrganizationalUnit
+    }),
+    ...(input.Password !== undefined && { Password: input.Password }),
+    ...(input.TimeoutInSeconds !== undefined && {
+      TimeoutInSeconds: input.TimeoutInSeconds
+    }),
+    ...(input.UserName !== undefined && { UserName: input.UserName })
+  };
 };
 
 const serializeAws_json1_1ListFileSharesInput = (
   input: ListFileSharesInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.GatewayARN !== undefined) {
-    bodyParams["GatewayARN"] = input.GatewayARN;
-  }
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.Marker !== undefined) {
-    bodyParams["Marker"] = input.Marker;
-  }
-  return bodyParams;
+  return {
+    ...(input.GatewayARN !== undefined && { GatewayARN: input.GatewayARN }),
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.Marker !== undefined && { Marker: input.Marker })
+  };
 };
 
 const serializeAws_json1_1ListTagsForResourceInput = (
   input: ListTagsForResourceInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.Marker !== undefined) {
-    bodyParams["Marker"] = input.Marker;
-  }
-  if (input.ResourceARN !== undefined) {
-    bodyParams["ResourceARN"] = input.ResourceARN;
-  }
-  return bodyParams;
+  return {
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.Marker !== undefined && { Marker: input.Marker }),
+    ...(input.ResourceARN !== undefined && { ResourceARN: input.ResourceARN })
+  };
 };
 
 const serializeAws_json1_1ListTapesInput = (
   input: ListTapesInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.Marker !== undefined) {
-    bodyParams["Marker"] = input.Marker;
-  }
-  if (input.TapeARNs !== undefined) {
-    bodyParams["TapeARNs"] = serializeAws_json1_1TapeARNs(
-      input.TapeARNs,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.Marker !== undefined && { Marker: input.Marker }),
+    ...(input.TapeARNs !== undefined && {
+      TapeARNs: serializeAws_json1_1TapeARNs(input.TapeARNs, context)
+    })
+  };
 };
 
 const serializeAws_json1_1ListVolumeInitiatorsInput = (
   input: ListVolumeInitiatorsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.VolumeARN !== undefined) {
-    bodyParams["VolumeARN"] = input.VolumeARN;
-  }
-  return bodyParams;
+  return {
+    ...(input.VolumeARN !== undefined && { VolumeARN: input.VolumeARN })
+  };
 };
 
 const serializeAws_json1_1NFSFileShareDefaults = (
   input: NFSFileShareDefaults,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DirectoryMode !== undefined) {
-    bodyParams["DirectoryMode"] = input.DirectoryMode;
-  }
-  if (input.FileMode !== undefined) {
-    bodyParams["FileMode"] = input.FileMode;
-  }
-  if (input.GroupId !== undefined) {
-    bodyParams["GroupId"] = input.GroupId;
-  }
-  if (input.OwnerId !== undefined) {
-    bodyParams["OwnerId"] = input.OwnerId;
-  }
-  return bodyParams;
+  return {
+    ...(input.DirectoryMode !== undefined && {
+      DirectoryMode: input.DirectoryMode
+    }),
+    ...(input.FileMode !== undefined && { FileMode: input.FileMode }),
+    ...(input.GroupId !== undefined && { GroupId: input.GroupId }),
+    ...(input.OwnerId !== undefined && { OwnerId: input.OwnerId })
+  };
 };
 
 const serializeAws_json1_1NotifyWhenUploadedInput = (
   input: NotifyWhenUploadedInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.FileShareARN !== undefined) {
-    bodyParams["FileShareARN"] = input.FileShareARN;
-  }
-  return bodyParams;
+  return {
+    ...(input.FileShareARN !== undefined && {
+      FileShareARN: input.FileShareARN
+    })
+  };
 };
 
 const serializeAws_json1_1RefreshCacheInput = (
   input: RefreshCacheInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.FileShareARN !== undefined) {
-    bodyParams["FileShareARN"] = input.FileShareARN;
-  }
-  if (input.FolderList !== undefined) {
-    bodyParams["FolderList"] = serializeAws_json1_1FolderList(
-      input.FolderList,
-      context
-    );
-  }
-  if (input.Recursive !== undefined) {
-    bodyParams["Recursive"] = input.Recursive;
-  }
-  return bodyParams;
+  return {
+    ...(input.FileShareARN !== undefined && {
+      FileShareARN: input.FileShareARN
+    }),
+    ...(input.FolderList !== undefined && {
+      FolderList: serializeAws_json1_1FolderList(input.FolderList, context)
+    }),
+    ...(input.Recursive !== undefined && { Recursive: input.Recursive })
+  };
 };
 
 const serializeAws_json1_1RemoveTagsFromResourceInput = (
   input: RemoveTagsFromResourceInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceARN !== undefined) {
-    bodyParams["ResourceARN"] = input.ResourceARN;
-  }
-  if (input.TagKeys !== undefined) {
-    bodyParams["TagKeys"] = serializeAws_json1_1TagKeys(input.TagKeys, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceARN !== undefined && { ResourceARN: input.ResourceARN }),
+    ...(input.TagKeys !== undefined && {
+      TagKeys: serializeAws_json1_1TagKeys(input.TagKeys, context)
+    })
+  };
 };
 
 const serializeAws_json1_1ResetCacheInput = (
   input: ResetCacheInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.GatewayARN !== undefined) {
-    bodyParams["GatewayARN"] = input.GatewayARN;
-  }
-  return bodyParams;
+  return {
+    ...(input.GatewayARN !== undefined && { GatewayARN: input.GatewayARN })
+  };
 };
 
 const serializeAws_json1_1RetrieveTapeArchiveInput = (
   input: RetrieveTapeArchiveInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.GatewayARN !== undefined) {
-    bodyParams["GatewayARN"] = input.GatewayARN;
-  }
-  if (input.TapeARN !== undefined) {
-    bodyParams["TapeARN"] = input.TapeARN;
-  }
-  return bodyParams;
+  return {
+    ...(input.GatewayARN !== undefined && { GatewayARN: input.GatewayARN }),
+    ...(input.TapeARN !== undefined && { TapeARN: input.TapeARN })
+  };
 };
 
 const serializeAws_json1_1RetrieveTapeRecoveryPointInput = (
   input: RetrieveTapeRecoveryPointInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.GatewayARN !== undefined) {
-    bodyParams["GatewayARN"] = input.GatewayARN;
-  }
-  if (input.TapeARN !== undefined) {
-    bodyParams["TapeARN"] = input.TapeARN;
-  }
-  return bodyParams;
+  return {
+    ...(input.GatewayARN !== undefined && { GatewayARN: input.GatewayARN }),
+    ...(input.TapeARN !== undefined && { TapeARN: input.TapeARN })
+  };
 };
 
 const serializeAws_json1_1SetLocalConsolePasswordInput = (
   input: SetLocalConsolePasswordInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.GatewayARN !== undefined) {
-    bodyParams["GatewayARN"] = input.GatewayARN;
-  }
-  if (input.LocalConsolePassword !== undefined) {
-    bodyParams["LocalConsolePassword"] = input.LocalConsolePassword;
-  }
-  return bodyParams;
+  return {
+    ...(input.GatewayARN !== undefined && { GatewayARN: input.GatewayARN }),
+    ...(input.LocalConsolePassword !== undefined && {
+      LocalConsolePassword: input.LocalConsolePassword
+    })
+  };
 };
 
 const serializeAws_json1_1SetSMBGuestPasswordInput = (
   input: SetSMBGuestPasswordInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.GatewayARN !== undefined) {
-    bodyParams["GatewayARN"] = input.GatewayARN;
-  }
-  if (input.Password !== undefined) {
-    bodyParams["Password"] = input.Password;
-  }
-  return bodyParams;
+  return {
+    ...(input.GatewayARN !== undefined && { GatewayARN: input.GatewayARN }),
+    ...(input.Password !== undefined && { Password: input.Password })
+  };
 };
 
 const serializeAws_json1_1StartAvailabilityMonitorTestInput = (
   input: StartAvailabilityMonitorTestInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.GatewayARN !== undefined) {
-    bodyParams["GatewayARN"] = input.GatewayARN;
-  }
-  return bodyParams;
+  return {
+    ...(input.GatewayARN !== undefined && { GatewayARN: input.GatewayARN })
+  };
 };
 
 const serializeAws_json1_1Tag = (input: Tag, context: __SerdeContext): any => {
-  const bodyParams: any = {};
-  if (input.Key !== undefined) {
-    bodyParams["Key"] = input.Key;
-  }
-  if (input.Value !== undefined) {
-    bodyParams["Value"] = input.Value;
-  }
-  return bodyParams;
+  return {
+    ...(input.Key !== undefined && { Key: input.Key }),
+    ...(input.Value !== undefined && { Value: input.Value })
+  };
 };
 
 const serializeAws_json1_1TagKeys = (
@@ -8498,150 +8213,126 @@ const serializeAws_json1_1UpdateGatewayInformationInput = (
   input: UpdateGatewayInformationInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CloudWatchLogGroupARN !== undefined) {
-    bodyParams["CloudWatchLogGroupARN"] = input.CloudWatchLogGroupARN;
-  }
-  if (input.GatewayARN !== undefined) {
-    bodyParams["GatewayARN"] = input.GatewayARN;
-  }
-  if (input.GatewayName !== undefined) {
-    bodyParams["GatewayName"] = input.GatewayName;
-  }
-  if (input.GatewayTimezone !== undefined) {
-    bodyParams["GatewayTimezone"] = input.GatewayTimezone;
-  }
-  return bodyParams;
+  return {
+    ...(input.CloudWatchLogGroupARN !== undefined && {
+      CloudWatchLogGroupARN: input.CloudWatchLogGroupARN
+    }),
+    ...(input.GatewayARN !== undefined && { GatewayARN: input.GatewayARN }),
+    ...(input.GatewayName !== undefined && { GatewayName: input.GatewayName }),
+    ...(input.GatewayTimezone !== undefined && {
+      GatewayTimezone: input.GatewayTimezone
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateNFSFileShareInput = (
   input: UpdateNFSFileShareInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ClientList !== undefined) {
-    bodyParams["ClientList"] = serializeAws_json1_1FileShareClientList(
-      input.ClientList,
-      context
-    );
-  }
-  if (input.DefaultStorageClass !== undefined) {
-    bodyParams["DefaultStorageClass"] = input.DefaultStorageClass;
-  }
-  if (input.FileShareARN !== undefined) {
-    bodyParams["FileShareARN"] = input.FileShareARN;
-  }
-  if (input.GuessMIMETypeEnabled !== undefined) {
-    bodyParams["GuessMIMETypeEnabled"] = input.GuessMIMETypeEnabled;
-  }
-  if (input.KMSEncrypted !== undefined) {
-    bodyParams["KMSEncrypted"] = input.KMSEncrypted;
-  }
-  if (input.KMSKey !== undefined) {
-    bodyParams["KMSKey"] = input.KMSKey;
-  }
-  if (input.NFSFileShareDefaults !== undefined) {
-    bodyParams[
-      "NFSFileShareDefaults"
-    ] = serializeAws_json1_1NFSFileShareDefaults(
-      input.NFSFileShareDefaults,
-      context
-    );
-  }
-  if (input.ObjectACL !== undefined) {
-    bodyParams["ObjectACL"] = input.ObjectACL;
-  }
-  if (input.ReadOnly !== undefined) {
-    bodyParams["ReadOnly"] = input.ReadOnly;
-  }
-  if (input.RequesterPays !== undefined) {
-    bodyParams["RequesterPays"] = input.RequesterPays;
-  }
-  if (input.Squash !== undefined) {
-    bodyParams["Squash"] = input.Squash;
-  }
-  return bodyParams;
+  return {
+    ...(input.ClientList !== undefined && {
+      ClientList: serializeAws_json1_1FileShareClientList(
+        input.ClientList,
+        context
+      )
+    }),
+    ...(input.DefaultStorageClass !== undefined && {
+      DefaultStorageClass: input.DefaultStorageClass
+    }),
+    ...(input.FileShareARN !== undefined && {
+      FileShareARN: input.FileShareARN
+    }),
+    ...(input.GuessMIMETypeEnabled !== undefined && {
+      GuessMIMETypeEnabled: input.GuessMIMETypeEnabled
+    }),
+    ...(input.KMSEncrypted !== undefined && {
+      KMSEncrypted: input.KMSEncrypted
+    }),
+    ...(input.KMSKey !== undefined && { KMSKey: input.KMSKey }),
+    ...(input.NFSFileShareDefaults !== undefined && {
+      NFSFileShareDefaults: serializeAws_json1_1NFSFileShareDefaults(
+        input.NFSFileShareDefaults,
+        context
+      )
+    }),
+    ...(input.ObjectACL !== undefined && { ObjectACL: input.ObjectACL }),
+    ...(input.ReadOnly !== undefined && { ReadOnly: input.ReadOnly }),
+    ...(input.RequesterPays !== undefined && {
+      RequesterPays: input.RequesterPays
+    }),
+    ...(input.Squash !== undefined && { Squash: input.Squash })
+  };
 };
 
 const serializeAws_json1_1UpdateSMBFileShareInput = (
   input: UpdateSMBFileShareInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AdminUserList !== undefined) {
-    bodyParams["AdminUserList"] = serializeAws_json1_1FileShareUserList(
-      input.AdminUserList,
-      context
-    );
-  }
-  if (input.DefaultStorageClass !== undefined) {
-    bodyParams["DefaultStorageClass"] = input.DefaultStorageClass;
-  }
-  if (input.FileShareARN !== undefined) {
-    bodyParams["FileShareARN"] = input.FileShareARN;
-  }
-  if (input.GuessMIMETypeEnabled !== undefined) {
-    bodyParams["GuessMIMETypeEnabled"] = input.GuessMIMETypeEnabled;
-  }
-  if (input.InvalidUserList !== undefined) {
-    bodyParams["InvalidUserList"] = serializeAws_json1_1FileShareUserList(
-      input.InvalidUserList,
-      context
-    );
-  }
-  if (input.KMSEncrypted !== undefined) {
-    bodyParams["KMSEncrypted"] = input.KMSEncrypted;
-  }
-  if (input.KMSKey !== undefined) {
-    bodyParams["KMSKey"] = input.KMSKey;
-  }
-  if (input.ObjectACL !== undefined) {
-    bodyParams["ObjectACL"] = input.ObjectACL;
-  }
-  if (input.ReadOnly !== undefined) {
-    bodyParams["ReadOnly"] = input.ReadOnly;
-  }
-  if (input.RequesterPays !== undefined) {
-    bodyParams["RequesterPays"] = input.RequesterPays;
-  }
-  if (input.SMBACLEnabled !== undefined) {
-    bodyParams["SMBACLEnabled"] = input.SMBACLEnabled;
-  }
-  if (input.ValidUserList !== undefined) {
-    bodyParams["ValidUserList"] = serializeAws_json1_1FileShareUserList(
-      input.ValidUserList,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.AdminUserList !== undefined && {
+      AdminUserList: serializeAws_json1_1FileShareUserList(
+        input.AdminUserList,
+        context
+      )
+    }),
+    ...(input.DefaultStorageClass !== undefined && {
+      DefaultStorageClass: input.DefaultStorageClass
+    }),
+    ...(input.FileShareARN !== undefined && {
+      FileShareARN: input.FileShareARN
+    }),
+    ...(input.GuessMIMETypeEnabled !== undefined && {
+      GuessMIMETypeEnabled: input.GuessMIMETypeEnabled
+    }),
+    ...(input.InvalidUserList !== undefined && {
+      InvalidUserList: serializeAws_json1_1FileShareUserList(
+        input.InvalidUserList,
+        context
+      )
+    }),
+    ...(input.KMSEncrypted !== undefined && {
+      KMSEncrypted: input.KMSEncrypted
+    }),
+    ...(input.KMSKey !== undefined && { KMSKey: input.KMSKey }),
+    ...(input.ObjectACL !== undefined && { ObjectACL: input.ObjectACL }),
+    ...(input.ReadOnly !== undefined && { ReadOnly: input.ReadOnly }),
+    ...(input.RequesterPays !== undefined && {
+      RequesterPays: input.RequesterPays
+    }),
+    ...(input.SMBACLEnabled !== undefined && {
+      SMBACLEnabled: input.SMBACLEnabled
+    }),
+    ...(input.ValidUserList !== undefined && {
+      ValidUserList: serializeAws_json1_1FileShareUserList(
+        input.ValidUserList,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateSMBSecurityStrategyInput = (
   input: UpdateSMBSecurityStrategyInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.GatewayARN !== undefined) {
-    bodyParams["GatewayARN"] = input.GatewayARN;
-  }
-  if (input.SMBSecurityStrategy !== undefined) {
-    bodyParams["SMBSecurityStrategy"] = input.SMBSecurityStrategy;
-  }
-  return bodyParams;
+  return {
+    ...(input.GatewayARN !== undefined && { GatewayARN: input.GatewayARN }),
+    ...(input.SMBSecurityStrategy !== undefined && {
+      SMBSecurityStrategy: input.SMBSecurityStrategy
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateVTLDeviceTypeInput = (
   input: UpdateVTLDeviceTypeInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DeviceType !== undefined) {
-    bodyParams["DeviceType"] = input.DeviceType;
-  }
-  if (input.VTLDeviceARN !== undefined) {
-    bodyParams["VTLDeviceARN"] = input.VTLDeviceARN;
-  }
-  return bodyParams;
+  return {
+    ...(input.DeviceType !== undefined && { DeviceType: input.DeviceType }),
+    ...(input.VTLDeviceARN !== undefined && {
+      VTLDeviceARN: input.VTLDeviceARN
+    })
+  };
 };
 
 const serializeAws_json1_1VTLDeviceARNs = (
diff --git a/clients/client-support/protocols/Aws_json1_1.ts b/clients/client-support/protocols/Aws_json1_1.ts
index eb16e1884701..d66698834548 100644
--- a/clients/client-support/protocols/Aws_json1_1.ts
+++ b/clients/client-support/protocols/Aws_json1_1.ts
@@ -1557,14 +1557,12 @@ const serializeAws_json1_1Attachment = (
   input: Attachment,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.data !== undefined) {
-    bodyParams["data"] = context.base64Encoder(input.data);
-  }
-  if (input.fileName !== undefined) {
-    bodyParams["fileName"] = input.fileName;
-  }
-  return bodyParams;
+  return {
+    ...(input.data !== undefined && {
+      data: context.base64Encoder(input.data)
+    }),
+    ...(input.fileName !== undefined && { fileName: input.fileName })
+  };
 };
 
 const serializeAws_json1_1Attachments = (
@@ -1578,40 +1576,35 @@ const serializeAws_json1_1AddAttachmentsToSetRequest = (
   input: AddAttachmentsToSetRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.attachmentSetId !== undefined) {
-    bodyParams["attachmentSetId"] = input.attachmentSetId;
-  }
-  if (input.attachments !== undefined) {
-    bodyParams["attachments"] = serializeAws_json1_1Attachments(
-      input.attachments,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.attachmentSetId !== undefined && {
+      attachmentSetId: input.attachmentSetId
+    }),
+    ...(input.attachments !== undefined && {
+      attachments: serializeAws_json1_1Attachments(input.attachments, context)
+    })
+  };
 };
 
 const serializeAws_json1_1AddCommunicationToCaseRequest = (
   input: AddCommunicationToCaseRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.attachmentSetId !== undefined) {
-    bodyParams["attachmentSetId"] = input.attachmentSetId;
-  }
-  if (input.caseId !== undefined) {
-    bodyParams["caseId"] = input.caseId;
-  }
-  if (input.ccEmailAddresses !== undefined) {
-    bodyParams["ccEmailAddresses"] = serializeAws_json1_1CcEmailAddressList(
-      input.ccEmailAddresses,
-      context
-    );
-  }
-  if (input.communicationBody !== undefined) {
-    bodyParams["communicationBody"] = input.communicationBody;
-  }
-  return bodyParams;
+  return {
+    ...(input.attachmentSetId !== undefined && {
+      attachmentSetId: input.attachmentSetId
+    }),
+    ...(input.caseId !== undefined && { caseId: input.caseId }),
+    ...(input.ccEmailAddresses !== undefined && {
+      ccEmailAddresses: serializeAws_json1_1CcEmailAddressList(
+        input.ccEmailAddresses,
+        context
+      )
+    }),
+    ...(input.communicationBody !== undefined && {
+      communicationBody: input.communicationBody
+    })
+  };
 };
 
 const serializeAws_json1_1CaseIdList = (
@@ -1632,149 +1625,110 @@ const serializeAws_json1_1CreateCaseRequest = (
   input: CreateCaseRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.attachmentSetId !== undefined) {
-    bodyParams["attachmentSetId"] = input.attachmentSetId;
-  }
-  if (input.categoryCode !== undefined) {
-    bodyParams["categoryCode"] = input.categoryCode;
-  }
-  if (input.ccEmailAddresses !== undefined) {
-    bodyParams["ccEmailAddresses"] = serializeAws_json1_1CcEmailAddressList(
-      input.ccEmailAddresses,
-      context
-    );
-  }
-  if (input.communicationBody !== undefined) {
-    bodyParams["communicationBody"] = input.communicationBody;
-  }
-  if (input.issueType !== undefined) {
-    bodyParams["issueType"] = input.issueType;
-  }
-  if (input.language !== undefined) {
-    bodyParams["language"] = input.language;
-  }
-  if (input.serviceCode !== undefined) {
-    bodyParams["serviceCode"] = input.serviceCode;
-  }
-  if (input.severityCode !== undefined) {
-    bodyParams["severityCode"] = input.severityCode;
-  }
-  if (input.subject !== undefined) {
-    bodyParams["subject"] = input.subject;
-  }
-  return bodyParams;
+  return {
+    ...(input.attachmentSetId !== undefined && {
+      attachmentSetId: input.attachmentSetId
+    }),
+    ...(input.categoryCode !== undefined && {
+      categoryCode: input.categoryCode
+    }),
+    ...(input.ccEmailAddresses !== undefined && {
+      ccEmailAddresses: serializeAws_json1_1CcEmailAddressList(
+        input.ccEmailAddresses,
+        context
+      )
+    }),
+    ...(input.communicationBody !== undefined && {
+      communicationBody: input.communicationBody
+    }),
+    ...(input.issueType !== undefined && { issueType: input.issueType }),
+    ...(input.language !== undefined && { language: input.language }),
+    ...(input.serviceCode !== undefined && { serviceCode: input.serviceCode }),
+    ...(input.severityCode !== undefined && {
+      severityCode: input.severityCode
+    }),
+    ...(input.subject !== undefined && { subject: input.subject })
+  };
 };
 
 const serializeAws_json1_1DescribeAttachmentRequest = (
   input: DescribeAttachmentRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.attachmentId !== undefined) {
-    bodyParams["attachmentId"] = input.attachmentId;
-  }
-  return bodyParams;
+  return {
+    ...(input.attachmentId !== undefined && {
+      attachmentId: input.attachmentId
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeCasesRequest = (
   input: DescribeCasesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.afterTime !== undefined) {
-    bodyParams["afterTime"] = input.afterTime;
-  }
-  if (input.beforeTime !== undefined) {
-    bodyParams["beforeTime"] = input.beforeTime;
-  }
-  if (input.caseIdList !== undefined) {
-    bodyParams["caseIdList"] = serializeAws_json1_1CaseIdList(
-      input.caseIdList,
-      context
-    );
-  }
-  if (input.displayId !== undefined) {
-    bodyParams["displayId"] = input.displayId;
-  }
-  if (input.includeCommunications !== undefined) {
-    bodyParams["includeCommunications"] = input.includeCommunications;
-  }
-  if (input.includeResolvedCases !== undefined) {
-    bodyParams["includeResolvedCases"] = input.includeResolvedCases;
-  }
-  if (input.language !== undefined) {
-    bodyParams["language"] = input.language;
-  }
-  if (input.maxResults !== undefined) {
-    bodyParams["maxResults"] = input.maxResults;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.afterTime !== undefined && { afterTime: input.afterTime }),
+    ...(input.beforeTime !== undefined && { beforeTime: input.beforeTime }),
+    ...(input.caseIdList !== undefined && {
+      caseIdList: serializeAws_json1_1CaseIdList(input.caseIdList, context)
+    }),
+    ...(input.displayId !== undefined && { displayId: input.displayId }),
+    ...(input.includeCommunications !== undefined && {
+      includeCommunications: input.includeCommunications
+    }),
+    ...(input.includeResolvedCases !== undefined && {
+      includeResolvedCases: input.includeResolvedCases
+    }),
+    ...(input.language !== undefined && { language: input.language }),
+    ...(input.maxResults !== undefined && { maxResults: input.maxResults }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken })
+  };
 };
 
 const serializeAws_json1_1DescribeCommunicationsRequest = (
   input: DescribeCommunicationsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.afterTime !== undefined) {
-    bodyParams["afterTime"] = input.afterTime;
-  }
-  if (input.beforeTime !== undefined) {
-    bodyParams["beforeTime"] = input.beforeTime;
-  }
-  if (input.caseId !== undefined) {
-    bodyParams["caseId"] = input.caseId;
-  }
-  if (input.maxResults !== undefined) {
-    bodyParams["maxResults"] = input.maxResults;
-  }
-  if (input.nextToken !== undefined) {
-    bodyParams["nextToken"] = input.nextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.afterTime !== undefined && { afterTime: input.afterTime }),
+    ...(input.beforeTime !== undefined && { beforeTime: input.beforeTime }),
+    ...(input.caseId !== undefined && { caseId: input.caseId }),
+    ...(input.maxResults !== undefined && { maxResults: input.maxResults }),
+    ...(input.nextToken !== undefined && { nextToken: input.nextToken })
+  };
 };
 
 const serializeAws_json1_1DescribeServicesRequest = (
   input: DescribeServicesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.language !== undefined) {
-    bodyParams["language"] = input.language;
-  }
-  if (input.serviceCodeList !== undefined) {
-    bodyParams["serviceCodeList"] = serializeAws_json1_1ServiceCodeList(
-      input.serviceCodeList,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.language !== undefined && { language: input.language }),
+    ...(input.serviceCodeList !== undefined && {
+      serviceCodeList: serializeAws_json1_1ServiceCodeList(
+        input.serviceCodeList,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeSeverityLevelsRequest = (
   input: DescribeSeverityLevelsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.language !== undefined) {
-    bodyParams["language"] = input.language;
-  }
-  return bodyParams;
+  return {
+    ...(input.language !== undefined && { language: input.language })
+  };
 };
 
 const serializeAws_json1_1ResolveCaseRequest = (
   input: ResolveCaseRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.caseId !== undefined) {
-    bodyParams["caseId"] = input.caseId;
-  }
-  return bodyParams;
+  return {
+    ...(input.caseId !== undefined && { caseId: input.caseId })
+  };
 };
 
 const serializeAws_json1_1ServiceCodeList = (
@@ -1788,64 +1742,50 @@ const serializeAws_json1_1DescribeTrustedAdvisorCheckRefreshStatusesRequest = (
   input: DescribeTrustedAdvisorCheckRefreshStatusesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.checkIds !== undefined) {
-    bodyParams["checkIds"] = serializeAws_json1_1StringList(
-      input.checkIds,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.checkIds !== undefined && {
+      checkIds: serializeAws_json1_1StringList(input.checkIds, context)
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeTrustedAdvisorCheckResultRequest = (
   input: DescribeTrustedAdvisorCheckResultRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.checkId !== undefined) {
-    bodyParams["checkId"] = input.checkId;
-  }
-  if (input.language !== undefined) {
-    bodyParams["language"] = input.language;
-  }
-  return bodyParams;
+  return {
+    ...(input.checkId !== undefined && { checkId: input.checkId }),
+    ...(input.language !== undefined && { language: input.language })
+  };
 };
 
 const serializeAws_json1_1DescribeTrustedAdvisorCheckSummariesRequest = (
   input: DescribeTrustedAdvisorCheckSummariesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.checkIds !== undefined) {
-    bodyParams["checkIds"] = serializeAws_json1_1StringList(
-      input.checkIds,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.checkIds !== undefined && {
+      checkIds: serializeAws_json1_1StringList(input.checkIds, context)
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeTrustedAdvisorChecksRequest = (
   input: DescribeTrustedAdvisorChecksRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.language !== undefined) {
-    bodyParams["language"] = input.language;
-  }
-  return bodyParams;
+  return {
+    ...(input.language !== undefined && { language: input.language })
+  };
 };
 
 const serializeAws_json1_1RefreshTrustedAdvisorCheckRequest = (
   input: RefreshTrustedAdvisorCheckRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.checkId !== undefined) {
-    bodyParams["checkId"] = input.checkId;
-  }
-  return bodyParams;
+  return {
+    ...(input.checkId !== undefined && { checkId: input.checkId })
+  };
 };
 
 const serializeAws_json1_1StringList = (
diff --git a/clients/client-swf/protocols/Aws_json1_0.ts b/clients/client-swf/protocols/Aws_json1_0.ts
index b237fdc0567b..f66cf9419e4b 100644
--- a/clients/client-swf/protocols/Aws_json1_0.ts
+++ b/clients/client-swf/protocols/Aws_json1_0.ts
@@ -3915,214 +3915,167 @@ const serializeAws_json1_0ActivityType = (
   input: ActivityType,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  if (input.version !== undefined) {
-    bodyParams["version"] = input.version;
-  }
-  return bodyParams;
+  return {
+    ...(input.name !== undefined && { name: input.name }),
+    ...(input.version !== undefined && { version: input.version })
+  };
 };
 
 const serializeAws_json1_0CancelTimerDecisionAttributes = (
   input: CancelTimerDecisionAttributes,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.timerId !== undefined) {
-    bodyParams["timerId"] = input.timerId;
-  }
-  return bodyParams;
+  return {
+    ...(input.timerId !== undefined && { timerId: input.timerId })
+  };
 };
 
 const serializeAws_json1_0CancelWorkflowExecutionDecisionAttributes = (
   input: CancelWorkflowExecutionDecisionAttributes,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.details !== undefined) {
-    bodyParams["details"] = input.details;
-  }
-  return bodyParams;
+  return {
+    ...(input.details !== undefined && { details: input.details })
+  };
 };
 
 const serializeAws_json1_0CloseStatusFilter = (
   input: CloseStatusFilter,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.status !== undefined) {
-    bodyParams["status"] = input.status;
-  }
-  return bodyParams;
+  return {
+    ...(input.status !== undefined && { status: input.status })
+  };
 };
 
 const serializeAws_json1_0CompleteWorkflowExecutionDecisionAttributes = (
   input: CompleteWorkflowExecutionDecisionAttributes,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.result !== undefined) {
-    bodyParams["result"] = input.result;
-  }
-  return bodyParams;
+  return {
+    ...(input.result !== undefined && { result: input.result })
+  };
 };
 
 const serializeAws_json1_0ContinueAsNewWorkflowExecutionDecisionAttributes = (
   input: ContinueAsNewWorkflowExecutionDecisionAttributes,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.childPolicy !== undefined) {
-    bodyParams["childPolicy"] = input.childPolicy;
-  }
-  if (input.executionStartToCloseTimeout !== undefined) {
-    bodyParams["executionStartToCloseTimeout"] =
-      input.executionStartToCloseTimeout;
-  }
-  if (input.input !== undefined) {
-    bodyParams["input"] = input.input;
-  }
-  if (input.lambdaRole !== undefined) {
-    bodyParams["lambdaRole"] = input.lambdaRole;
-  }
-  if (input.tagList !== undefined) {
-    bodyParams["tagList"] = serializeAws_json1_0TagList(input.tagList, context);
-  }
-  if (input.taskList !== undefined) {
-    bodyParams["taskList"] = serializeAws_json1_0TaskList(
-      input.taskList,
-      context
-    );
-  }
-  if (input.taskPriority !== undefined) {
-    bodyParams["taskPriority"] = input.taskPriority;
-  }
-  if (input.taskStartToCloseTimeout !== undefined) {
-    bodyParams["taskStartToCloseTimeout"] = input.taskStartToCloseTimeout;
-  }
-  if (input.workflowTypeVersion !== undefined) {
-    bodyParams["workflowTypeVersion"] = input.workflowTypeVersion;
-  }
-  return bodyParams;
+  return {
+    ...(input.childPolicy !== undefined && { childPolicy: input.childPolicy }),
+    ...(input.executionStartToCloseTimeout !== undefined && {
+      executionStartToCloseTimeout: input.executionStartToCloseTimeout
+    }),
+    ...(input.input !== undefined && { input: input.input }),
+    ...(input.lambdaRole !== undefined && { lambdaRole: input.lambdaRole }),
+    ...(input.tagList !== undefined && {
+      tagList: serializeAws_json1_0TagList(input.tagList, context)
+    }),
+    ...(input.taskList !== undefined && {
+      taskList: serializeAws_json1_0TaskList(input.taskList, context)
+    }),
+    ...(input.taskPriority !== undefined && {
+      taskPriority: input.taskPriority
+    }),
+    ...(input.taskStartToCloseTimeout !== undefined && {
+      taskStartToCloseTimeout: input.taskStartToCloseTimeout
+    }),
+    ...(input.workflowTypeVersion !== undefined && {
+      workflowTypeVersion: input.workflowTypeVersion
+    })
+  };
 };
 
 const serializeAws_json1_0Decision = (
   input: Decision,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.cancelTimerDecisionAttributes !== undefined) {
-    bodyParams[
-      "cancelTimerDecisionAttributes"
-    ] = serializeAws_json1_0CancelTimerDecisionAttributes(
-      input.cancelTimerDecisionAttributes,
-      context
-    );
-  }
-  if (input.cancelWorkflowExecutionDecisionAttributes !== undefined) {
-    bodyParams[
-      "cancelWorkflowExecutionDecisionAttributes"
-    ] = serializeAws_json1_0CancelWorkflowExecutionDecisionAttributes(
-      input.cancelWorkflowExecutionDecisionAttributes,
-      context
-    );
-  }
-  if (input.completeWorkflowExecutionDecisionAttributes !== undefined) {
-    bodyParams[
-      "completeWorkflowExecutionDecisionAttributes"
-    ] = serializeAws_json1_0CompleteWorkflowExecutionDecisionAttributes(
-      input.completeWorkflowExecutionDecisionAttributes,
-      context
-    );
-  }
-  if (input.continueAsNewWorkflowExecutionDecisionAttributes !== undefined) {
-    bodyParams[
-      "continueAsNewWorkflowExecutionDecisionAttributes"
-    ] = serializeAws_json1_0ContinueAsNewWorkflowExecutionDecisionAttributes(
-      input.continueAsNewWorkflowExecutionDecisionAttributes,
-      context
-    );
-  }
-  if (input.decisionType !== undefined) {
-    bodyParams["decisionType"] = input.decisionType;
-  }
-  if (input.failWorkflowExecutionDecisionAttributes !== undefined) {
-    bodyParams[
-      "failWorkflowExecutionDecisionAttributes"
-    ] = serializeAws_json1_0FailWorkflowExecutionDecisionAttributes(
-      input.failWorkflowExecutionDecisionAttributes,
-      context
-    );
-  }
-  if (input.recordMarkerDecisionAttributes !== undefined) {
-    bodyParams[
-      "recordMarkerDecisionAttributes"
-    ] = serializeAws_json1_0RecordMarkerDecisionAttributes(
-      input.recordMarkerDecisionAttributes,
-      context
-    );
-  }
-  if (input.requestCancelActivityTaskDecisionAttributes !== undefined) {
-    bodyParams[
-      "requestCancelActivityTaskDecisionAttributes"
-    ] = serializeAws_json1_0RequestCancelActivityTaskDecisionAttributes(
-      input.requestCancelActivityTaskDecisionAttributes,
-      context
-    );
-  }
-  if (
-    input.requestCancelExternalWorkflowExecutionDecisionAttributes !== undefined
-  ) {
-    bodyParams[
-      "requestCancelExternalWorkflowExecutionDecisionAttributes"
-    ] = serializeAws_json1_0RequestCancelExternalWorkflowExecutionDecisionAttributes(
-      input.requestCancelExternalWorkflowExecutionDecisionAttributes,
-      context
-    );
-  }
-  if (input.scheduleActivityTaskDecisionAttributes !== undefined) {
-    bodyParams[
-      "scheduleActivityTaskDecisionAttributes"
-    ] = serializeAws_json1_0ScheduleActivityTaskDecisionAttributes(
-      input.scheduleActivityTaskDecisionAttributes,
-      context
-    );
-  }
-  if (input.scheduleLambdaFunctionDecisionAttributes !== undefined) {
-    bodyParams[
-      "scheduleLambdaFunctionDecisionAttributes"
-    ] = serializeAws_json1_0ScheduleLambdaFunctionDecisionAttributes(
-      input.scheduleLambdaFunctionDecisionAttributes,
-      context
-    );
-  }
-  if (input.signalExternalWorkflowExecutionDecisionAttributes !== undefined) {
-    bodyParams[
-      "signalExternalWorkflowExecutionDecisionAttributes"
-    ] = serializeAws_json1_0SignalExternalWorkflowExecutionDecisionAttributes(
-      input.signalExternalWorkflowExecutionDecisionAttributes,
-      context
-    );
-  }
-  if (input.startChildWorkflowExecutionDecisionAttributes !== undefined) {
-    bodyParams[
-      "startChildWorkflowExecutionDecisionAttributes"
-    ] = serializeAws_json1_0StartChildWorkflowExecutionDecisionAttributes(
-      input.startChildWorkflowExecutionDecisionAttributes,
-      context
-    );
-  }
-  if (input.startTimerDecisionAttributes !== undefined) {
-    bodyParams[
-      "startTimerDecisionAttributes"
-    ] = serializeAws_json1_0StartTimerDecisionAttributes(
-      input.startTimerDecisionAttributes,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.cancelTimerDecisionAttributes !== undefined && {
+      cancelTimerDecisionAttributes: serializeAws_json1_0CancelTimerDecisionAttributes(
+        input.cancelTimerDecisionAttributes,
+        context
+      )
+    }),
+    ...(input.cancelWorkflowExecutionDecisionAttributes !== undefined && {
+      cancelWorkflowExecutionDecisionAttributes: serializeAws_json1_0CancelWorkflowExecutionDecisionAttributes(
+        input.cancelWorkflowExecutionDecisionAttributes,
+        context
+      )
+    }),
+    ...(input.completeWorkflowExecutionDecisionAttributes !== undefined && {
+      completeWorkflowExecutionDecisionAttributes: serializeAws_json1_0CompleteWorkflowExecutionDecisionAttributes(
+        input.completeWorkflowExecutionDecisionAttributes,
+        context
+      )
+    }),
+    ...(input.continueAsNewWorkflowExecutionDecisionAttributes !==
+      undefined && {
+      continueAsNewWorkflowExecutionDecisionAttributes: serializeAws_json1_0ContinueAsNewWorkflowExecutionDecisionAttributes(
+        input.continueAsNewWorkflowExecutionDecisionAttributes,
+        context
+      )
+    }),
+    ...(input.decisionType !== undefined && {
+      decisionType: input.decisionType
+    }),
+    ...(input.failWorkflowExecutionDecisionAttributes !== undefined && {
+      failWorkflowExecutionDecisionAttributes: serializeAws_json1_0FailWorkflowExecutionDecisionAttributes(
+        input.failWorkflowExecutionDecisionAttributes,
+        context
+      )
+    }),
+    ...(input.recordMarkerDecisionAttributes !== undefined && {
+      recordMarkerDecisionAttributes: serializeAws_json1_0RecordMarkerDecisionAttributes(
+        input.recordMarkerDecisionAttributes,
+        context
+      )
+    }),
+    ...(input.requestCancelActivityTaskDecisionAttributes !== undefined && {
+      requestCancelActivityTaskDecisionAttributes: serializeAws_json1_0RequestCancelActivityTaskDecisionAttributes(
+        input.requestCancelActivityTaskDecisionAttributes,
+        context
+      )
+    }),
+    ...(input.requestCancelExternalWorkflowExecutionDecisionAttributes !==
+      undefined && {
+      requestCancelExternalWorkflowExecutionDecisionAttributes: serializeAws_json1_0RequestCancelExternalWorkflowExecutionDecisionAttributes(
+        input.requestCancelExternalWorkflowExecutionDecisionAttributes,
+        context
+      )
+    }),
+    ...(input.scheduleActivityTaskDecisionAttributes !== undefined && {
+      scheduleActivityTaskDecisionAttributes: serializeAws_json1_0ScheduleActivityTaskDecisionAttributes(
+        input.scheduleActivityTaskDecisionAttributes,
+        context
+      )
+    }),
+    ...(input.scheduleLambdaFunctionDecisionAttributes !== undefined && {
+      scheduleLambdaFunctionDecisionAttributes: serializeAws_json1_0ScheduleLambdaFunctionDecisionAttributes(
+        input.scheduleLambdaFunctionDecisionAttributes,
+        context
+      )
+    }),
+    ...(input.signalExternalWorkflowExecutionDecisionAttributes !==
+      undefined && {
+      signalExternalWorkflowExecutionDecisionAttributes: serializeAws_json1_0SignalExternalWorkflowExecutionDecisionAttributes(
+        input.signalExternalWorkflowExecutionDecisionAttributes,
+        context
+      )
+    }),
+    ...(input.startChildWorkflowExecutionDecisionAttributes !== undefined && {
+      startChildWorkflowExecutionDecisionAttributes: serializeAws_json1_0StartChildWorkflowExecutionDecisionAttributes(
+        input.startChildWorkflowExecutionDecisionAttributes,
+        context
+      )
+    }),
+    ...(input.startTimerDecisionAttributes !== undefined && {
+      startTimerDecisionAttributes: serializeAws_json1_0StartTimerDecisionAttributes(
+        input.startTimerDecisionAttributes,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_0DecisionList = (
@@ -4136,84 +4089,64 @@ const serializeAws_json1_0ExecutionTimeFilter = (
   input: ExecutionTimeFilter,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.latestDate !== undefined) {
-    bodyParams["latestDate"] = Math.round(input.latestDate.getTime() / 1000);
-  }
-  if (input.oldestDate !== undefined) {
-    bodyParams["oldestDate"] = Math.round(input.oldestDate.getTime() / 1000);
-  }
-  return bodyParams;
+  return {
+    ...(input.latestDate !== undefined && {
+      latestDate: Math.round(input.latestDate.getTime() / 1000)
+    }),
+    ...(input.oldestDate !== undefined && {
+      oldestDate: Math.round(input.oldestDate.getTime() / 1000)
+    })
+  };
 };
 
 const serializeAws_json1_0FailWorkflowExecutionDecisionAttributes = (
   input: FailWorkflowExecutionDecisionAttributes,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.details !== undefined) {
-    bodyParams["details"] = input.details;
-  }
-  if (input.reason !== undefined) {
-    bodyParams["reason"] = input.reason;
-  }
-  return bodyParams;
+  return {
+    ...(input.details !== undefined && { details: input.details }),
+    ...(input.reason !== undefined && { reason: input.reason })
+  };
 };
 
 const serializeAws_json1_0RecordMarkerDecisionAttributes = (
   input: RecordMarkerDecisionAttributes,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.details !== undefined) {
-    bodyParams["details"] = input.details;
-  }
-  if (input.markerName !== undefined) {
-    bodyParams["markerName"] = input.markerName;
-  }
-  return bodyParams;
+  return {
+    ...(input.details !== undefined && { details: input.details }),
+    ...(input.markerName !== undefined && { markerName: input.markerName })
+  };
 };
 
 const serializeAws_json1_0RequestCancelActivityTaskDecisionAttributes = (
   input: RequestCancelActivityTaskDecisionAttributes,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.activityId !== undefined) {
-    bodyParams["activityId"] = input.activityId;
-  }
-  return bodyParams;
+  return {
+    ...(input.activityId !== undefined && { activityId: input.activityId })
+  };
 };
 
 const serializeAws_json1_0RequestCancelExternalWorkflowExecutionDecisionAttributes = (
   input: RequestCancelExternalWorkflowExecutionDecisionAttributes,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.control !== undefined) {
-    bodyParams["control"] = input.control;
-  }
-  if (input.runId !== undefined) {
-    bodyParams["runId"] = input.runId;
-  }
-  if (input.workflowId !== undefined) {
-    bodyParams["workflowId"] = input.workflowId;
-  }
-  return bodyParams;
+  return {
+    ...(input.control !== undefined && { control: input.control }),
+    ...(input.runId !== undefined && { runId: input.runId }),
+    ...(input.workflowId !== undefined && { workflowId: input.workflowId })
+  };
 };
 
 const serializeAws_json1_0ResourceTag = (
   input: ResourceTag,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.key !== undefined) {
-    bodyParams["key"] = input.key;
-  }
-  if (input.value !== undefined) {
-    bodyParams["value"] = input.value;
-  }
-  return bodyParams;
+  return {
+    ...(input.key !== undefined && { key: input.key }),
+    ...(input.value !== undefined && { value: input.value })
+  };
 };
 
 const serializeAws_json1_0ResourceTagKeyList = (
@@ -4234,166 +4167,119 @@ const serializeAws_json1_0ScheduleActivityTaskDecisionAttributes = (
   input: ScheduleActivityTaskDecisionAttributes,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.activityId !== undefined) {
-    bodyParams["activityId"] = input.activityId;
-  }
-  if (input.activityType !== undefined) {
-    bodyParams["activityType"] = serializeAws_json1_0ActivityType(
-      input.activityType,
-      context
-    );
-  }
-  if (input.control !== undefined) {
-    bodyParams["control"] = input.control;
-  }
-  if (input.heartbeatTimeout !== undefined) {
-    bodyParams["heartbeatTimeout"] = input.heartbeatTimeout;
-  }
-  if (input.input !== undefined) {
-    bodyParams["input"] = input.input;
-  }
-  if (input.scheduleToCloseTimeout !== undefined) {
-    bodyParams["scheduleToCloseTimeout"] = input.scheduleToCloseTimeout;
-  }
-  if (input.scheduleToStartTimeout !== undefined) {
-    bodyParams["scheduleToStartTimeout"] = input.scheduleToStartTimeout;
-  }
-  if (input.startToCloseTimeout !== undefined) {
-    bodyParams["startToCloseTimeout"] = input.startToCloseTimeout;
-  }
-  if (input.taskList !== undefined) {
-    bodyParams["taskList"] = serializeAws_json1_0TaskList(
-      input.taskList,
-      context
-    );
-  }
-  if (input.taskPriority !== undefined) {
-    bodyParams["taskPriority"] = input.taskPriority;
-  }
-  return bodyParams;
+  return {
+    ...(input.activityId !== undefined && { activityId: input.activityId }),
+    ...(input.activityType !== undefined && {
+      activityType: serializeAws_json1_0ActivityType(
+        input.activityType,
+        context
+      )
+    }),
+    ...(input.control !== undefined && { control: input.control }),
+    ...(input.heartbeatTimeout !== undefined && {
+      heartbeatTimeout: input.heartbeatTimeout
+    }),
+    ...(input.input !== undefined && { input: input.input }),
+    ...(input.scheduleToCloseTimeout !== undefined && {
+      scheduleToCloseTimeout: input.scheduleToCloseTimeout
+    }),
+    ...(input.scheduleToStartTimeout !== undefined && {
+      scheduleToStartTimeout: input.scheduleToStartTimeout
+    }),
+    ...(input.startToCloseTimeout !== undefined && {
+      startToCloseTimeout: input.startToCloseTimeout
+    }),
+    ...(input.taskList !== undefined && {
+      taskList: serializeAws_json1_0TaskList(input.taskList, context)
+    }),
+    ...(input.taskPriority !== undefined && {
+      taskPriority: input.taskPriority
+    })
+  };
 };
 
 const serializeAws_json1_0ScheduleLambdaFunctionDecisionAttributes = (
   input: ScheduleLambdaFunctionDecisionAttributes,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.control !== undefined) {
-    bodyParams["control"] = input.control;
-  }
-  if (input.id !== undefined) {
-    bodyParams["id"] = input.id;
-  }
-  if (input.input !== undefined) {
-    bodyParams["input"] = input.input;
-  }
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  if (input.startToCloseTimeout !== undefined) {
-    bodyParams["startToCloseTimeout"] = input.startToCloseTimeout;
-  }
-  return bodyParams;
+  return {
+    ...(input.control !== undefined && { control: input.control }),
+    ...(input.id !== undefined && { id: input.id }),
+    ...(input.input !== undefined && { input: input.input }),
+    ...(input.name !== undefined && { name: input.name }),
+    ...(input.startToCloseTimeout !== undefined && {
+      startToCloseTimeout: input.startToCloseTimeout
+    })
+  };
 };
 
 const serializeAws_json1_0SignalExternalWorkflowExecutionDecisionAttributes = (
   input: SignalExternalWorkflowExecutionDecisionAttributes,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.control !== undefined) {
-    bodyParams["control"] = input.control;
-  }
-  if (input.input !== undefined) {
-    bodyParams["input"] = input.input;
-  }
-  if (input.runId !== undefined) {
-    bodyParams["runId"] = input.runId;
-  }
-  if (input.signalName !== undefined) {
-    bodyParams["signalName"] = input.signalName;
-  }
-  if (input.workflowId !== undefined) {
-    bodyParams["workflowId"] = input.workflowId;
-  }
-  return bodyParams;
+  return {
+    ...(input.control !== undefined && { control: input.control }),
+    ...(input.input !== undefined && { input: input.input }),
+    ...(input.runId !== undefined && { runId: input.runId }),
+    ...(input.signalName !== undefined && { signalName: input.signalName }),
+    ...(input.workflowId !== undefined && { workflowId: input.workflowId })
+  };
 };
 
 const serializeAws_json1_0StartChildWorkflowExecutionDecisionAttributes = (
   input: StartChildWorkflowExecutionDecisionAttributes,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.childPolicy !== undefined) {
-    bodyParams["childPolicy"] = input.childPolicy;
-  }
-  if (input.control !== undefined) {
-    bodyParams["control"] = input.control;
-  }
-  if (input.executionStartToCloseTimeout !== undefined) {
-    bodyParams["executionStartToCloseTimeout"] =
-      input.executionStartToCloseTimeout;
-  }
-  if (input.input !== undefined) {
-    bodyParams["input"] = input.input;
-  }
-  if (input.lambdaRole !== undefined) {
-    bodyParams["lambdaRole"] = input.lambdaRole;
-  }
-  if (input.tagList !== undefined) {
-    bodyParams["tagList"] = serializeAws_json1_0TagList(input.tagList, context);
-  }
-  if (input.taskList !== undefined) {
-    bodyParams["taskList"] = serializeAws_json1_0TaskList(
-      input.taskList,
-      context
-    );
-  }
-  if (input.taskPriority !== undefined) {
-    bodyParams["taskPriority"] = input.taskPriority;
-  }
-  if (input.taskStartToCloseTimeout !== undefined) {
-    bodyParams["taskStartToCloseTimeout"] = input.taskStartToCloseTimeout;
-  }
-  if (input.workflowId !== undefined) {
-    bodyParams["workflowId"] = input.workflowId;
-  }
-  if (input.workflowType !== undefined) {
-    bodyParams["workflowType"] = serializeAws_json1_0WorkflowType(
-      input.workflowType,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.childPolicy !== undefined && { childPolicy: input.childPolicy }),
+    ...(input.control !== undefined && { control: input.control }),
+    ...(input.executionStartToCloseTimeout !== undefined && {
+      executionStartToCloseTimeout: input.executionStartToCloseTimeout
+    }),
+    ...(input.input !== undefined && { input: input.input }),
+    ...(input.lambdaRole !== undefined && { lambdaRole: input.lambdaRole }),
+    ...(input.tagList !== undefined && {
+      tagList: serializeAws_json1_0TagList(input.tagList, context)
+    }),
+    ...(input.taskList !== undefined && {
+      taskList: serializeAws_json1_0TaskList(input.taskList, context)
+    }),
+    ...(input.taskPriority !== undefined && {
+      taskPriority: input.taskPriority
+    }),
+    ...(input.taskStartToCloseTimeout !== undefined && {
+      taskStartToCloseTimeout: input.taskStartToCloseTimeout
+    }),
+    ...(input.workflowId !== undefined && { workflowId: input.workflowId }),
+    ...(input.workflowType !== undefined && {
+      workflowType: serializeAws_json1_0WorkflowType(
+        input.workflowType,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_0StartTimerDecisionAttributes = (
   input: StartTimerDecisionAttributes,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.control !== undefined) {
-    bodyParams["control"] = input.control;
-  }
-  if (input.startToFireTimeout !== undefined) {
-    bodyParams["startToFireTimeout"] = input.startToFireTimeout;
-  }
-  if (input.timerId !== undefined) {
-    bodyParams["timerId"] = input.timerId;
-  }
-  return bodyParams;
+  return {
+    ...(input.control !== undefined && { control: input.control }),
+    ...(input.startToFireTimeout !== undefined && {
+      startToFireTimeout: input.startToFireTimeout
+    }),
+    ...(input.timerId !== undefined && { timerId: input.timerId })
+  };
 };
 
 const serializeAws_json1_0TagFilter = (
   input: TagFilter,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.tag !== undefined) {
-    bodyParams["tag"] = input.tag;
-  }
-  return bodyParams;
+  return {
+    ...(input.tag !== undefined && { tag: input.tag })
+  };
 };
 
 const serializeAws_json1_0TagList = (
@@ -4407,929 +4293,728 @@ const serializeAws_json1_0TaskList = (
   input: TaskList,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  return bodyParams;
+  return {
+    ...(input.name !== undefined && { name: input.name })
+  };
 };
 
 const serializeAws_json1_0WorkflowExecution = (
   input: WorkflowExecution,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.runId !== undefined) {
-    bodyParams["runId"] = input.runId;
-  }
-  if (input.workflowId !== undefined) {
-    bodyParams["workflowId"] = input.workflowId;
-  }
-  return bodyParams;
+  return {
+    ...(input.runId !== undefined && { runId: input.runId }),
+    ...(input.workflowId !== undefined && { workflowId: input.workflowId })
+  };
 };
 
 const serializeAws_json1_0WorkflowExecutionFilter = (
   input: WorkflowExecutionFilter,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.workflowId !== undefined) {
-    bodyParams["workflowId"] = input.workflowId;
-  }
-  return bodyParams;
+  return {
+    ...(input.workflowId !== undefined && { workflowId: input.workflowId })
+  };
 };
 
 const serializeAws_json1_0WorkflowType = (
   input: WorkflowType,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  if (input.version !== undefined) {
-    bodyParams["version"] = input.version;
-  }
-  return bodyParams;
+  return {
+    ...(input.name !== undefined && { name: input.name }),
+    ...(input.version !== undefined && { version: input.version })
+  };
 };
 
 const serializeAws_json1_0WorkflowTypeFilter = (
   input: WorkflowTypeFilter,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  if (input.version !== undefined) {
-    bodyParams["version"] = input.version;
-  }
-  return bodyParams;
+  return {
+    ...(input.name !== undefined && { name: input.name }),
+    ...(input.version !== undefined && { version: input.version })
+  };
 };
 
 const serializeAws_json1_0CountClosedWorkflowExecutionsInput = (
   input: CountClosedWorkflowExecutionsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.closeStatusFilter !== undefined) {
-    bodyParams["closeStatusFilter"] = serializeAws_json1_0CloseStatusFilter(
-      input.closeStatusFilter,
-      context
-    );
-  }
-  if (input.closeTimeFilter !== undefined) {
-    bodyParams["closeTimeFilter"] = serializeAws_json1_0ExecutionTimeFilter(
-      input.closeTimeFilter,
-      context
-    );
-  }
-  if (input.domain !== undefined) {
-    bodyParams["domain"] = input.domain;
-  }
-  if (input.executionFilter !== undefined) {
-    bodyParams["executionFilter"] = serializeAws_json1_0WorkflowExecutionFilter(
-      input.executionFilter,
-      context
-    );
-  }
-  if (input.startTimeFilter !== undefined) {
-    bodyParams["startTimeFilter"] = serializeAws_json1_0ExecutionTimeFilter(
-      input.startTimeFilter,
-      context
-    );
-  }
-  if (input.tagFilter !== undefined) {
-    bodyParams["tagFilter"] = serializeAws_json1_0TagFilter(
-      input.tagFilter,
-      context
-    );
-  }
-  if (input.typeFilter !== undefined) {
-    bodyParams["typeFilter"] = serializeAws_json1_0WorkflowTypeFilter(
-      input.typeFilter,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.closeStatusFilter !== undefined && {
+      closeStatusFilter: serializeAws_json1_0CloseStatusFilter(
+        input.closeStatusFilter,
+        context
+      )
+    }),
+    ...(input.closeTimeFilter !== undefined && {
+      closeTimeFilter: serializeAws_json1_0ExecutionTimeFilter(
+        input.closeTimeFilter,
+        context
+      )
+    }),
+    ...(input.domain !== undefined && { domain: input.domain }),
+    ...(input.executionFilter !== undefined && {
+      executionFilter: serializeAws_json1_0WorkflowExecutionFilter(
+        input.executionFilter,
+        context
+      )
+    }),
+    ...(input.startTimeFilter !== undefined && {
+      startTimeFilter: serializeAws_json1_0ExecutionTimeFilter(
+        input.startTimeFilter,
+        context
+      )
+    }),
+    ...(input.tagFilter !== undefined && {
+      tagFilter: serializeAws_json1_0TagFilter(input.tagFilter, context)
+    }),
+    ...(input.typeFilter !== undefined && {
+      typeFilter: serializeAws_json1_0WorkflowTypeFilter(
+        input.typeFilter,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_0CountOpenWorkflowExecutionsInput = (
   input: CountOpenWorkflowExecutionsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.domain !== undefined) {
-    bodyParams["domain"] = input.domain;
-  }
-  if (input.executionFilter !== undefined) {
-    bodyParams["executionFilter"] = serializeAws_json1_0WorkflowExecutionFilter(
-      input.executionFilter,
-      context
-    );
-  }
-  if (input.startTimeFilter !== undefined) {
-    bodyParams["startTimeFilter"] = serializeAws_json1_0ExecutionTimeFilter(
-      input.startTimeFilter,
-      context
-    );
-  }
-  if (input.tagFilter !== undefined) {
-    bodyParams["tagFilter"] = serializeAws_json1_0TagFilter(
-      input.tagFilter,
-      context
-    );
-  }
-  if (input.typeFilter !== undefined) {
-    bodyParams["typeFilter"] = serializeAws_json1_0WorkflowTypeFilter(
-      input.typeFilter,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.domain !== undefined && { domain: input.domain }),
+    ...(input.executionFilter !== undefined && {
+      executionFilter: serializeAws_json1_0WorkflowExecutionFilter(
+        input.executionFilter,
+        context
+      )
+    }),
+    ...(input.startTimeFilter !== undefined && {
+      startTimeFilter: serializeAws_json1_0ExecutionTimeFilter(
+        input.startTimeFilter,
+        context
+      )
+    }),
+    ...(input.tagFilter !== undefined && {
+      tagFilter: serializeAws_json1_0TagFilter(input.tagFilter, context)
+    }),
+    ...(input.typeFilter !== undefined && {
+      typeFilter: serializeAws_json1_0WorkflowTypeFilter(
+        input.typeFilter,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_0CountPendingActivityTasksInput = (
   input: CountPendingActivityTasksInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.domain !== undefined) {
-    bodyParams["domain"] = input.domain;
-  }
-  if (input.taskList !== undefined) {
-    bodyParams["taskList"] = serializeAws_json1_0TaskList(
-      input.taskList,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.domain !== undefined && { domain: input.domain }),
+    ...(input.taskList !== undefined && {
+      taskList: serializeAws_json1_0TaskList(input.taskList, context)
+    })
+  };
 };
 
 const serializeAws_json1_0CountPendingDecisionTasksInput = (
   input: CountPendingDecisionTasksInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.domain !== undefined) {
-    bodyParams["domain"] = input.domain;
-  }
-  if (input.taskList !== undefined) {
-    bodyParams["taskList"] = serializeAws_json1_0TaskList(
-      input.taskList,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.domain !== undefined && { domain: input.domain }),
+    ...(input.taskList !== undefined && {
+      taskList: serializeAws_json1_0TaskList(input.taskList, context)
+    })
+  };
 };
 
 const serializeAws_json1_0DeprecateActivityTypeInput = (
   input: DeprecateActivityTypeInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.activityType !== undefined) {
-    bodyParams["activityType"] = serializeAws_json1_0ActivityType(
-      input.activityType,
-      context
-    );
-  }
-  if (input.domain !== undefined) {
-    bodyParams["domain"] = input.domain;
-  }
-  return bodyParams;
+  return {
+    ...(input.activityType !== undefined && {
+      activityType: serializeAws_json1_0ActivityType(
+        input.activityType,
+        context
+      )
+    }),
+    ...(input.domain !== undefined && { domain: input.domain })
+  };
 };
 
 const serializeAws_json1_0DeprecateDomainInput = (
   input: DeprecateDomainInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  return bodyParams;
+  return {
+    ...(input.name !== undefined && { name: input.name })
+  };
 };
 
 const serializeAws_json1_0DeprecateWorkflowTypeInput = (
   input: DeprecateWorkflowTypeInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.domain !== undefined) {
-    bodyParams["domain"] = input.domain;
-  }
-  if (input.workflowType !== undefined) {
-    bodyParams["workflowType"] = serializeAws_json1_0WorkflowType(
-      input.workflowType,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.domain !== undefined && { domain: input.domain }),
+    ...(input.workflowType !== undefined && {
+      workflowType: serializeAws_json1_0WorkflowType(
+        input.workflowType,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_0DescribeActivityTypeInput = (
   input: DescribeActivityTypeInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.activityType !== undefined) {
-    bodyParams["activityType"] = serializeAws_json1_0ActivityType(
-      input.activityType,
-      context
-    );
-  }
-  if (input.domain !== undefined) {
-    bodyParams["domain"] = input.domain;
-  }
-  return bodyParams;
+  return {
+    ...(input.activityType !== undefined && {
+      activityType: serializeAws_json1_0ActivityType(
+        input.activityType,
+        context
+      )
+    }),
+    ...(input.domain !== undefined && { domain: input.domain })
+  };
 };
 
 const serializeAws_json1_0DescribeDomainInput = (
   input: DescribeDomainInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  return bodyParams;
+  return {
+    ...(input.name !== undefined && { name: input.name })
+  };
 };
 
 const serializeAws_json1_0DescribeWorkflowExecutionInput = (
   input: DescribeWorkflowExecutionInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.domain !== undefined) {
-    bodyParams["domain"] = input.domain;
-  }
-  if (input.execution !== undefined) {
-    bodyParams["execution"] = serializeAws_json1_0WorkflowExecution(
-      input.execution,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.domain !== undefined && { domain: input.domain }),
+    ...(input.execution !== undefined && {
+      execution: serializeAws_json1_0WorkflowExecution(input.execution, context)
+    })
+  };
 };
 
 const serializeAws_json1_0DescribeWorkflowTypeInput = (
   input: DescribeWorkflowTypeInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.domain !== undefined) {
-    bodyParams["domain"] = input.domain;
-  }
-  if (input.workflowType !== undefined) {
-    bodyParams["workflowType"] = serializeAws_json1_0WorkflowType(
-      input.workflowType,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.domain !== undefined && { domain: input.domain }),
+    ...(input.workflowType !== undefined && {
+      workflowType: serializeAws_json1_0WorkflowType(
+        input.workflowType,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_0GetWorkflowExecutionHistoryInput = (
   input: GetWorkflowExecutionHistoryInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.domain !== undefined) {
-    bodyParams["domain"] = input.domain;
-  }
-  if (input.execution !== undefined) {
-    bodyParams["execution"] = serializeAws_json1_0WorkflowExecution(
-      input.execution,
-      context
-    );
-  }
-  if (input.maximumPageSize !== undefined) {
-    bodyParams["maximumPageSize"] = input.maximumPageSize;
-  }
-  if (input.nextPageToken !== undefined) {
-    bodyParams["nextPageToken"] = input.nextPageToken;
-  }
-  if (input.reverseOrder !== undefined) {
-    bodyParams["reverseOrder"] = input.reverseOrder;
-  }
-  return bodyParams;
+  return {
+    ...(input.domain !== undefined && { domain: input.domain }),
+    ...(input.execution !== undefined && {
+      execution: serializeAws_json1_0WorkflowExecution(input.execution, context)
+    }),
+    ...(input.maximumPageSize !== undefined && {
+      maximumPageSize: input.maximumPageSize
+    }),
+    ...(input.nextPageToken !== undefined && {
+      nextPageToken: input.nextPageToken
+    }),
+    ...(input.reverseOrder !== undefined && {
+      reverseOrder: input.reverseOrder
+    })
+  };
 };
 
 const serializeAws_json1_0ListActivityTypesInput = (
   input: ListActivityTypesInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.domain !== undefined) {
-    bodyParams["domain"] = input.domain;
-  }
-  if (input.maximumPageSize !== undefined) {
-    bodyParams["maximumPageSize"] = input.maximumPageSize;
-  }
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  if (input.nextPageToken !== undefined) {
-    bodyParams["nextPageToken"] = input.nextPageToken;
-  }
-  if (input.registrationStatus !== undefined) {
-    bodyParams["registrationStatus"] = input.registrationStatus;
-  }
-  if (input.reverseOrder !== undefined) {
-    bodyParams["reverseOrder"] = input.reverseOrder;
-  }
-  return bodyParams;
+  return {
+    ...(input.domain !== undefined && { domain: input.domain }),
+    ...(input.maximumPageSize !== undefined && {
+      maximumPageSize: input.maximumPageSize
+    }),
+    ...(input.name !== undefined && { name: input.name }),
+    ...(input.nextPageToken !== undefined && {
+      nextPageToken: input.nextPageToken
+    }),
+    ...(input.registrationStatus !== undefined && {
+      registrationStatus: input.registrationStatus
+    }),
+    ...(input.reverseOrder !== undefined && {
+      reverseOrder: input.reverseOrder
+    })
+  };
 };
 
 const serializeAws_json1_0ListClosedWorkflowExecutionsInput = (
   input: ListClosedWorkflowExecutionsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.closeStatusFilter !== undefined) {
-    bodyParams["closeStatusFilter"] = serializeAws_json1_0CloseStatusFilter(
-      input.closeStatusFilter,
-      context
-    );
-  }
-  if (input.closeTimeFilter !== undefined) {
-    bodyParams["closeTimeFilter"] = serializeAws_json1_0ExecutionTimeFilter(
-      input.closeTimeFilter,
-      context
-    );
-  }
-  if (input.domain !== undefined) {
-    bodyParams["domain"] = input.domain;
-  }
-  if (input.executionFilter !== undefined) {
-    bodyParams["executionFilter"] = serializeAws_json1_0WorkflowExecutionFilter(
-      input.executionFilter,
-      context
-    );
-  }
-  if (input.maximumPageSize !== undefined) {
-    bodyParams["maximumPageSize"] = input.maximumPageSize;
-  }
-  if (input.nextPageToken !== undefined) {
-    bodyParams["nextPageToken"] = input.nextPageToken;
-  }
-  if (input.reverseOrder !== undefined) {
-    bodyParams["reverseOrder"] = input.reverseOrder;
-  }
-  if (input.startTimeFilter !== undefined) {
-    bodyParams["startTimeFilter"] = serializeAws_json1_0ExecutionTimeFilter(
-      input.startTimeFilter,
-      context
-    );
-  }
-  if (input.tagFilter !== undefined) {
-    bodyParams["tagFilter"] = serializeAws_json1_0TagFilter(
-      input.tagFilter,
-      context
-    );
-  }
-  if (input.typeFilter !== undefined) {
-    bodyParams["typeFilter"] = serializeAws_json1_0WorkflowTypeFilter(
-      input.typeFilter,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.closeStatusFilter !== undefined && {
+      closeStatusFilter: serializeAws_json1_0CloseStatusFilter(
+        input.closeStatusFilter,
+        context
+      )
+    }),
+    ...(input.closeTimeFilter !== undefined && {
+      closeTimeFilter: serializeAws_json1_0ExecutionTimeFilter(
+        input.closeTimeFilter,
+        context
+      )
+    }),
+    ...(input.domain !== undefined && { domain: input.domain }),
+    ...(input.executionFilter !== undefined && {
+      executionFilter: serializeAws_json1_0WorkflowExecutionFilter(
+        input.executionFilter,
+        context
+      )
+    }),
+    ...(input.maximumPageSize !== undefined && {
+      maximumPageSize: input.maximumPageSize
+    }),
+    ...(input.nextPageToken !== undefined && {
+      nextPageToken: input.nextPageToken
+    }),
+    ...(input.reverseOrder !== undefined && {
+      reverseOrder: input.reverseOrder
+    }),
+    ...(input.startTimeFilter !== undefined && {
+      startTimeFilter: serializeAws_json1_0ExecutionTimeFilter(
+        input.startTimeFilter,
+        context
+      )
+    }),
+    ...(input.tagFilter !== undefined && {
+      tagFilter: serializeAws_json1_0TagFilter(input.tagFilter, context)
+    }),
+    ...(input.typeFilter !== undefined && {
+      typeFilter: serializeAws_json1_0WorkflowTypeFilter(
+        input.typeFilter,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_0ListDomainsInput = (
   input: ListDomainsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.maximumPageSize !== undefined) {
-    bodyParams["maximumPageSize"] = input.maximumPageSize;
-  }
-  if (input.nextPageToken !== undefined) {
-    bodyParams["nextPageToken"] = input.nextPageToken;
-  }
-  if (input.registrationStatus !== undefined) {
-    bodyParams["registrationStatus"] = input.registrationStatus;
-  }
-  if (input.reverseOrder !== undefined) {
-    bodyParams["reverseOrder"] = input.reverseOrder;
-  }
-  return bodyParams;
+  return {
+    ...(input.maximumPageSize !== undefined && {
+      maximumPageSize: input.maximumPageSize
+    }),
+    ...(input.nextPageToken !== undefined && {
+      nextPageToken: input.nextPageToken
+    }),
+    ...(input.registrationStatus !== undefined && {
+      registrationStatus: input.registrationStatus
+    }),
+    ...(input.reverseOrder !== undefined && {
+      reverseOrder: input.reverseOrder
+    })
+  };
 };
 
 const serializeAws_json1_0ListOpenWorkflowExecutionsInput = (
   input: ListOpenWorkflowExecutionsInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.domain !== undefined) {
-    bodyParams["domain"] = input.domain;
-  }
-  if (input.executionFilter !== undefined) {
-    bodyParams["executionFilter"] = serializeAws_json1_0WorkflowExecutionFilter(
-      input.executionFilter,
-      context
-    );
-  }
-  if (input.maximumPageSize !== undefined) {
-    bodyParams["maximumPageSize"] = input.maximumPageSize;
-  }
-  if (input.nextPageToken !== undefined) {
-    bodyParams["nextPageToken"] = input.nextPageToken;
-  }
-  if (input.reverseOrder !== undefined) {
-    bodyParams["reverseOrder"] = input.reverseOrder;
-  }
-  if (input.startTimeFilter !== undefined) {
-    bodyParams["startTimeFilter"] = serializeAws_json1_0ExecutionTimeFilter(
-      input.startTimeFilter,
-      context
-    );
-  }
-  if (input.tagFilter !== undefined) {
-    bodyParams["tagFilter"] = serializeAws_json1_0TagFilter(
-      input.tagFilter,
-      context
-    );
-  }
-  if (input.typeFilter !== undefined) {
-    bodyParams["typeFilter"] = serializeAws_json1_0WorkflowTypeFilter(
-      input.typeFilter,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.domain !== undefined && { domain: input.domain }),
+    ...(input.executionFilter !== undefined && {
+      executionFilter: serializeAws_json1_0WorkflowExecutionFilter(
+        input.executionFilter,
+        context
+      )
+    }),
+    ...(input.maximumPageSize !== undefined && {
+      maximumPageSize: input.maximumPageSize
+    }),
+    ...(input.nextPageToken !== undefined && {
+      nextPageToken: input.nextPageToken
+    }),
+    ...(input.reverseOrder !== undefined && {
+      reverseOrder: input.reverseOrder
+    }),
+    ...(input.startTimeFilter !== undefined && {
+      startTimeFilter: serializeAws_json1_0ExecutionTimeFilter(
+        input.startTimeFilter,
+        context
+      )
+    }),
+    ...(input.tagFilter !== undefined && {
+      tagFilter: serializeAws_json1_0TagFilter(input.tagFilter, context)
+    }),
+    ...(input.typeFilter !== undefined && {
+      typeFilter: serializeAws_json1_0WorkflowTypeFilter(
+        input.typeFilter,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_0ListTagsForResourceInput = (
   input: ListTagsForResourceInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.resourceArn !== undefined) {
-    bodyParams["resourceArn"] = input.resourceArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.resourceArn !== undefined && { resourceArn: input.resourceArn })
+  };
 };
 
 const serializeAws_json1_0ListWorkflowTypesInput = (
   input: ListWorkflowTypesInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.domain !== undefined) {
-    bodyParams["domain"] = input.domain;
-  }
-  if (input.maximumPageSize !== undefined) {
-    bodyParams["maximumPageSize"] = input.maximumPageSize;
-  }
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  if (input.nextPageToken !== undefined) {
-    bodyParams["nextPageToken"] = input.nextPageToken;
-  }
-  if (input.registrationStatus !== undefined) {
-    bodyParams["registrationStatus"] = input.registrationStatus;
-  }
-  if (input.reverseOrder !== undefined) {
-    bodyParams["reverseOrder"] = input.reverseOrder;
-  }
-  return bodyParams;
+  return {
+    ...(input.domain !== undefined && { domain: input.domain }),
+    ...(input.maximumPageSize !== undefined && {
+      maximumPageSize: input.maximumPageSize
+    }),
+    ...(input.name !== undefined && { name: input.name }),
+    ...(input.nextPageToken !== undefined && {
+      nextPageToken: input.nextPageToken
+    }),
+    ...(input.registrationStatus !== undefined && {
+      registrationStatus: input.registrationStatus
+    }),
+    ...(input.reverseOrder !== undefined && {
+      reverseOrder: input.reverseOrder
+    })
+  };
 };
 
 const serializeAws_json1_0PollForActivityTaskInput = (
   input: PollForActivityTaskInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.domain !== undefined) {
-    bodyParams["domain"] = input.domain;
-  }
-  if (input.identity !== undefined) {
-    bodyParams["identity"] = input.identity;
-  }
-  if (input.taskList !== undefined) {
-    bodyParams["taskList"] = serializeAws_json1_0TaskList(
-      input.taskList,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.domain !== undefined && { domain: input.domain }),
+    ...(input.identity !== undefined && { identity: input.identity }),
+    ...(input.taskList !== undefined && {
+      taskList: serializeAws_json1_0TaskList(input.taskList, context)
+    })
+  };
 };
 
 const serializeAws_json1_0PollForDecisionTaskInput = (
   input: PollForDecisionTaskInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.domain !== undefined) {
-    bodyParams["domain"] = input.domain;
-  }
-  if (input.identity !== undefined) {
-    bodyParams["identity"] = input.identity;
-  }
-  if (input.maximumPageSize !== undefined) {
-    bodyParams["maximumPageSize"] = input.maximumPageSize;
-  }
-  if (input.nextPageToken !== undefined) {
-    bodyParams["nextPageToken"] = input.nextPageToken;
-  }
-  if (input.reverseOrder !== undefined) {
-    bodyParams["reverseOrder"] = input.reverseOrder;
-  }
-  if (input.taskList !== undefined) {
-    bodyParams["taskList"] = serializeAws_json1_0TaskList(
-      input.taskList,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.domain !== undefined && { domain: input.domain }),
+    ...(input.identity !== undefined && { identity: input.identity }),
+    ...(input.maximumPageSize !== undefined && {
+      maximumPageSize: input.maximumPageSize
+    }),
+    ...(input.nextPageToken !== undefined && {
+      nextPageToken: input.nextPageToken
+    }),
+    ...(input.reverseOrder !== undefined && {
+      reverseOrder: input.reverseOrder
+    }),
+    ...(input.taskList !== undefined && {
+      taskList: serializeAws_json1_0TaskList(input.taskList, context)
+    })
+  };
 };
 
 const serializeAws_json1_0RecordActivityTaskHeartbeatInput = (
   input: RecordActivityTaskHeartbeatInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.details !== undefined) {
-    bodyParams["details"] = input.details;
-  }
-  if (input.taskToken !== undefined) {
-    bodyParams["taskToken"] = input.taskToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.details !== undefined && { details: input.details }),
+    ...(input.taskToken !== undefined && { taskToken: input.taskToken })
+  };
 };
 
 const serializeAws_json1_0RegisterActivityTypeInput = (
   input: RegisterActivityTypeInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.defaultTaskHeartbeatTimeout !== undefined) {
-    bodyParams["defaultTaskHeartbeatTimeout"] =
-      input.defaultTaskHeartbeatTimeout;
-  }
-  if (input.defaultTaskList !== undefined) {
-    bodyParams["defaultTaskList"] = serializeAws_json1_0TaskList(
-      input.defaultTaskList,
-      context
-    );
-  }
-  if (input.defaultTaskPriority !== undefined) {
-    bodyParams["defaultTaskPriority"] = input.defaultTaskPriority;
-  }
-  if (input.defaultTaskScheduleToCloseTimeout !== undefined) {
-    bodyParams["defaultTaskScheduleToCloseTimeout"] =
-      input.defaultTaskScheduleToCloseTimeout;
-  }
-  if (input.defaultTaskScheduleToStartTimeout !== undefined) {
-    bodyParams["defaultTaskScheduleToStartTimeout"] =
-      input.defaultTaskScheduleToStartTimeout;
-  }
-  if (input.defaultTaskStartToCloseTimeout !== undefined) {
-    bodyParams["defaultTaskStartToCloseTimeout"] =
-      input.defaultTaskStartToCloseTimeout;
-  }
-  if (input.description !== undefined) {
-    bodyParams["description"] = input.description;
-  }
-  if (input.domain !== undefined) {
-    bodyParams["domain"] = input.domain;
-  }
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  if (input.version !== undefined) {
-    bodyParams["version"] = input.version;
-  }
-  return bodyParams;
+  return {
+    ...(input.defaultTaskHeartbeatTimeout !== undefined && {
+      defaultTaskHeartbeatTimeout: input.defaultTaskHeartbeatTimeout
+    }),
+    ...(input.defaultTaskList !== undefined && {
+      defaultTaskList: serializeAws_json1_0TaskList(
+        input.defaultTaskList,
+        context
+      )
+    }),
+    ...(input.defaultTaskPriority !== undefined && {
+      defaultTaskPriority: input.defaultTaskPriority
+    }),
+    ...(input.defaultTaskScheduleToCloseTimeout !== undefined && {
+      defaultTaskScheduleToCloseTimeout: input.defaultTaskScheduleToCloseTimeout
+    }),
+    ...(input.defaultTaskScheduleToStartTimeout !== undefined && {
+      defaultTaskScheduleToStartTimeout: input.defaultTaskScheduleToStartTimeout
+    }),
+    ...(input.defaultTaskStartToCloseTimeout !== undefined && {
+      defaultTaskStartToCloseTimeout: input.defaultTaskStartToCloseTimeout
+    }),
+    ...(input.description !== undefined && { description: input.description }),
+    ...(input.domain !== undefined && { domain: input.domain }),
+    ...(input.name !== undefined && { name: input.name }),
+    ...(input.version !== undefined && { version: input.version })
+  };
 };
 
 const serializeAws_json1_0RegisterDomainInput = (
   input: RegisterDomainInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.description !== undefined) {
-    bodyParams["description"] = input.description;
-  }
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  if (input.tags !== undefined) {
-    bodyParams["tags"] = serializeAws_json1_0ResourceTagList(
-      input.tags,
-      context
-    );
-  }
-  if (input.workflowExecutionRetentionPeriodInDays !== undefined) {
-    bodyParams["workflowExecutionRetentionPeriodInDays"] =
-      input.workflowExecutionRetentionPeriodInDays;
-  }
-  return bodyParams;
+  return {
+    ...(input.description !== undefined && { description: input.description }),
+    ...(input.name !== undefined && { name: input.name }),
+    ...(input.tags !== undefined && {
+      tags: serializeAws_json1_0ResourceTagList(input.tags, context)
+    }),
+    ...(input.workflowExecutionRetentionPeriodInDays !== undefined && {
+      workflowExecutionRetentionPeriodInDays:
+        input.workflowExecutionRetentionPeriodInDays
+    })
+  };
 };
 
 const serializeAws_json1_0RegisterWorkflowTypeInput = (
   input: RegisterWorkflowTypeInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.defaultChildPolicy !== undefined) {
-    bodyParams["defaultChildPolicy"] = input.defaultChildPolicy;
-  }
-  if (input.defaultExecutionStartToCloseTimeout !== undefined) {
-    bodyParams["defaultExecutionStartToCloseTimeout"] =
-      input.defaultExecutionStartToCloseTimeout;
-  }
-  if (input.defaultLambdaRole !== undefined) {
-    bodyParams["defaultLambdaRole"] = input.defaultLambdaRole;
-  }
-  if (input.defaultTaskList !== undefined) {
-    bodyParams["defaultTaskList"] = serializeAws_json1_0TaskList(
-      input.defaultTaskList,
-      context
-    );
-  }
-  if (input.defaultTaskPriority !== undefined) {
-    bodyParams["defaultTaskPriority"] = input.defaultTaskPriority;
-  }
-  if (input.defaultTaskStartToCloseTimeout !== undefined) {
-    bodyParams["defaultTaskStartToCloseTimeout"] =
-      input.defaultTaskStartToCloseTimeout;
-  }
-  if (input.description !== undefined) {
-    bodyParams["description"] = input.description;
-  }
-  if (input.domain !== undefined) {
-    bodyParams["domain"] = input.domain;
-  }
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  if (input.version !== undefined) {
-    bodyParams["version"] = input.version;
-  }
-  return bodyParams;
+  return {
+    ...(input.defaultChildPolicy !== undefined && {
+      defaultChildPolicy: input.defaultChildPolicy
+    }),
+    ...(input.defaultExecutionStartToCloseTimeout !== undefined && {
+      defaultExecutionStartToCloseTimeout:
+        input.defaultExecutionStartToCloseTimeout
+    }),
+    ...(input.defaultLambdaRole !== undefined && {
+      defaultLambdaRole: input.defaultLambdaRole
+    }),
+    ...(input.defaultTaskList !== undefined && {
+      defaultTaskList: serializeAws_json1_0TaskList(
+        input.defaultTaskList,
+        context
+      )
+    }),
+    ...(input.defaultTaskPriority !== undefined && {
+      defaultTaskPriority: input.defaultTaskPriority
+    }),
+    ...(input.defaultTaskStartToCloseTimeout !== undefined && {
+      defaultTaskStartToCloseTimeout: input.defaultTaskStartToCloseTimeout
+    }),
+    ...(input.description !== undefined && { description: input.description }),
+    ...(input.domain !== undefined && { domain: input.domain }),
+    ...(input.name !== undefined && { name: input.name }),
+    ...(input.version !== undefined && { version: input.version })
+  };
 };
 
 const serializeAws_json1_0RequestCancelWorkflowExecutionInput = (
   input: RequestCancelWorkflowExecutionInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.domain !== undefined) {
-    bodyParams["domain"] = input.domain;
-  }
-  if (input.runId !== undefined) {
-    bodyParams["runId"] = input.runId;
-  }
-  if (input.workflowId !== undefined) {
-    bodyParams["workflowId"] = input.workflowId;
-  }
-  return bodyParams;
+  return {
+    ...(input.domain !== undefined && { domain: input.domain }),
+    ...(input.runId !== undefined && { runId: input.runId }),
+    ...(input.workflowId !== undefined && { workflowId: input.workflowId })
+  };
 };
 
 const serializeAws_json1_0RespondActivityTaskCanceledInput = (
   input: RespondActivityTaskCanceledInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.details !== undefined) {
-    bodyParams["details"] = input.details;
-  }
-  if (input.taskToken !== undefined) {
-    bodyParams["taskToken"] = input.taskToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.details !== undefined && { details: input.details }),
+    ...(input.taskToken !== undefined && { taskToken: input.taskToken })
+  };
 };
 
 const serializeAws_json1_0RespondActivityTaskCompletedInput = (
   input: RespondActivityTaskCompletedInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.result !== undefined) {
-    bodyParams["result"] = input.result;
-  }
-  if (input.taskToken !== undefined) {
-    bodyParams["taskToken"] = input.taskToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.result !== undefined && { result: input.result }),
+    ...(input.taskToken !== undefined && { taskToken: input.taskToken })
+  };
 };
 
 const serializeAws_json1_0RespondActivityTaskFailedInput = (
   input: RespondActivityTaskFailedInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.details !== undefined) {
-    bodyParams["details"] = input.details;
-  }
-  if (input.reason !== undefined) {
-    bodyParams["reason"] = input.reason;
-  }
-  if (input.taskToken !== undefined) {
-    bodyParams["taskToken"] = input.taskToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.details !== undefined && { details: input.details }),
+    ...(input.reason !== undefined && { reason: input.reason }),
+    ...(input.taskToken !== undefined && { taskToken: input.taskToken })
+  };
 };
 
 const serializeAws_json1_0RespondDecisionTaskCompletedInput = (
   input: RespondDecisionTaskCompletedInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.decisions !== undefined) {
-    bodyParams["decisions"] = serializeAws_json1_0DecisionList(
-      input.decisions,
-      context
-    );
-  }
-  if (input.executionContext !== undefined) {
-    bodyParams["executionContext"] = input.executionContext;
-  }
-  if (input.taskToken !== undefined) {
-    bodyParams["taskToken"] = input.taskToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.decisions !== undefined && {
+      decisions: serializeAws_json1_0DecisionList(input.decisions, context)
+    }),
+    ...(input.executionContext !== undefined && {
+      executionContext: input.executionContext
+    }),
+    ...(input.taskToken !== undefined && { taskToken: input.taskToken })
+  };
 };
 
 const serializeAws_json1_0SignalWorkflowExecutionInput = (
   input: SignalWorkflowExecutionInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.domain !== undefined) {
-    bodyParams["domain"] = input.domain;
-  }
-  if (input.input !== undefined) {
-    bodyParams["input"] = input.input;
-  }
-  if (input.runId !== undefined) {
-    bodyParams["runId"] = input.runId;
-  }
-  if (input.signalName !== undefined) {
-    bodyParams["signalName"] = input.signalName;
-  }
-  if (input.workflowId !== undefined) {
-    bodyParams["workflowId"] = input.workflowId;
-  }
-  return bodyParams;
+  return {
+    ...(input.domain !== undefined && { domain: input.domain }),
+    ...(input.input !== undefined && { input: input.input }),
+    ...(input.runId !== undefined && { runId: input.runId }),
+    ...(input.signalName !== undefined && { signalName: input.signalName }),
+    ...(input.workflowId !== undefined && { workflowId: input.workflowId })
+  };
 };
 
 const serializeAws_json1_0StartWorkflowExecutionInput = (
   input: StartWorkflowExecutionInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.childPolicy !== undefined) {
-    bodyParams["childPolicy"] = input.childPolicy;
-  }
-  if (input.domain !== undefined) {
-    bodyParams["domain"] = input.domain;
-  }
-  if (input.executionStartToCloseTimeout !== undefined) {
-    bodyParams["executionStartToCloseTimeout"] =
-      input.executionStartToCloseTimeout;
-  }
-  if (input.input !== undefined) {
-    bodyParams["input"] = input.input;
-  }
-  if (input.lambdaRole !== undefined) {
-    bodyParams["lambdaRole"] = input.lambdaRole;
-  }
-  if (input.tagList !== undefined) {
-    bodyParams["tagList"] = serializeAws_json1_0TagList(input.tagList, context);
-  }
-  if (input.taskList !== undefined) {
-    bodyParams["taskList"] = serializeAws_json1_0TaskList(
-      input.taskList,
-      context
-    );
-  }
-  if (input.taskPriority !== undefined) {
-    bodyParams["taskPriority"] = input.taskPriority;
-  }
-  if (input.taskStartToCloseTimeout !== undefined) {
-    bodyParams["taskStartToCloseTimeout"] = input.taskStartToCloseTimeout;
-  }
-  if (input.workflowId !== undefined) {
-    bodyParams["workflowId"] = input.workflowId;
-  }
-  if (input.workflowType !== undefined) {
-    bodyParams["workflowType"] = serializeAws_json1_0WorkflowType(
-      input.workflowType,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.childPolicy !== undefined && { childPolicy: input.childPolicy }),
+    ...(input.domain !== undefined && { domain: input.domain }),
+    ...(input.executionStartToCloseTimeout !== undefined && {
+      executionStartToCloseTimeout: input.executionStartToCloseTimeout
+    }),
+    ...(input.input !== undefined && { input: input.input }),
+    ...(input.lambdaRole !== undefined && { lambdaRole: input.lambdaRole }),
+    ...(input.tagList !== undefined && {
+      tagList: serializeAws_json1_0TagList(input.tagList, context)
+    }),
+    ...(input.taskList !== undefined && {
+      taskList: serializeAws_json1_0TaskList(input.taskList, context)
+    }),
+    ...(input.taskPriority !== undefined && {
+      taskPriority: input.taskPriority
+    }),
+    ...(input.taskStartToCloseTimeout !== undefined && {
+      taskStartToCloseTimeout: input.taskStartToCloseTimeout
+    }),
+    ...(input.workflowId !== undefined && { workflowId: input.workflowId }),
+    ...(input.workflowType !== undefined && {
+      workflowType: serializeAws_json1_0WorkflowType(
+        input.workflowType,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_0TagResourceInput = (
   input: TagResourceInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.resourceArn !== undefined) {
-    bodyParams["resourceArn"] = input.resourceArn;
-  }
-  if (input.tags !== undefined) {
-    bodyParams["tags"] = serializeAws_json1_0ResourceTagList(
-      input.tags,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.resourceArn !== undefined && { resourceArn: input.resourceArn }),
+    ...(input.tags !== undefined && {
+      tags: serializeAws_json1_0ResourceTagList(input.tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_0TerminateWorkflowExecutionInput = (
   input: TerminateWorkflowExecutionInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.childPolicy !== undefined) {
-    bodyParams["childPolicy"] = input.childPolicy;
-  }
-  if (input.details !== undefined) {
-    bodyParams["details"] = input.details;
-  }
-  if (input.domain !== undefined) {
-    bodyParams["domain"] = input.domain;
-  }
-  if (input.reason !== undefined) {
-    bodyParams["reason"] = input.reason;
-  }
-  if (input.runId !== undefined) {
-    bodyParams["runId"] = input.runId;
-  }
-  if (input.workflowId !== undefined) {
-    bodyParams["workflowId"] = input.workflowId;
-  }
-  return bodyParams;
+  return {
+    ...(input.childPolicy !== undefined && { childPolicy: input.childPolicy }),
+    ...(input.details !== undefined && { details: input.details }),
+    ...(input.domain !== undefined && { domain: input.domain }),
+    ...(input.reason !== undefined && { reason: input.reason }),
+    ...(input.runId !== undefined && { runId: input.runId }),
+    ...(input.workflowId !== undefined && { workflowId: input.workflowId })
+  };
 };
 
 const serializeAws_json1_0UndeprecateActivityTypeInput = (
   input: UndeprecateActivityTypeInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.activityType !== undefined) {
-    bodyParams["activityType"] = serializeAws_json1_0ActivityType(
-      input.activityType,
-      context
-    );
-  }
-  if (input.domain !== undefined) {
-    bodyParams["domain"] = input.domain;
-  }
-  return bodyParams;
+  return {
+    ...(input.activityType !== undefined && {
+      activityType: serializeAws_json1_0ActivityType(
+        input.activityType,
+        context
+      )
+    }),
+    ...(input.domain !== undefined && { domain: input.domain })
+  };
 };
 
 const serializeAws_json1_0UndeprecateDomainInput = (
   input: UndeprecateDomainInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  return bodyParams;
+  return {
+    ...(input.name !== undefined && { name: input.name })
+  };
 };
 
 const serializeAws_json1_0UndeprecateWorkflowTypeInput = (
   input: UndeprecateWorkflowTypeInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.domain !== undefined) {
-    bodyParams["domain"] = input.domain;
-  }
-  if (input.workflowType !== undefined) {
-    bodyParams["workflowType"] = serializeAws_json1_0WorkflowType(
-      input.workflowType,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.domain !== undefined && { domain: input.domain }),
+    ...(input.workflowType !== undefined && {
+      workflowType: serializeAws_json1_0WorkflowType(
+        input.workflowType,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_0UntagResourceInput = (
   input: UntagResourceInput,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.resourceArn !== undefined) {
-    bodyParams["resourceArn"] = input.resourceArn;
-  }
-  if (input.tagKeys !== undefined) {
-    bodyParams["tagKeys"] = serializeAws_json1_0ResourceTagKeyList(
-      input.tagKeys,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.resourceArn !== undefined && { resourceArn: input.resourceArn }),
+    ...(input.tagKeys !== undefined && {
+      tagKeys: serializeAws_json1_0ResourceTagKeyList(input.tagKeys, context)
+    })
+  };
 };
 
 const deserializeAws_json1_0ActivityTask = (
diff --git a/clients/client-textract/protocols/Aws_json1_1.ts b/clients/client-textract/protocols/Aws_json1_1.ts
index d417ce406869..b9620d48e91d 100644
--- a/clients/client-textract/protocols/Aws_json1_1.ts
+++ b/clients/client-textract/protocols/Aws_json1_1.ts
@@ -1308,26 +1308,23 @@ const serializeAws_json1_1AnalyzeDocumentRequest = (
   input: AnalyzeDocumentRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Document !== undefined) {
-    bodyParams["Document"] = serializeAws_json1_1Document(
-      input.Document,
-      context
-    );
-  }
-  if (input.FeatureTypes !== undefined) {
-    bodyParams["FeatureTypes"] = serializeAws_json1_1FeatureTypes(
-      input.FeatureTypes,
-      context
-    );
-  }
-  if (input.HumanLoopConfig !== undefined) {
-    bodyParams["HumanLoopConfig"] = serializeAws_json1_1HumanLoopConfig(
-      input.HumanLoopConfig,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Document !== undefined && {
+      Document: serializeAws_json1_1Document(input.Document, context)
+    }),
+    ...(input.FeatureTypes !== undefined && {
+      FeatureTypes: serializeAws_json1_1FeatureTypes(
+        input.FeatureTypes,
+        context
+      )
+    }),
+    ...(input.HumanLoopConfig !== undefined && {
+      HumanLoopConfig: serializeAws_json1_1HumanLoopConfig(
+        input.HumanLoopConfig,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1ContentClassifiers = (
@@ -1341,45 +1338,36 @@ const serializeAws_json1_1DetectDocumentTextRequest = (
   input: DetectDocumentTextRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Document !== undefined) {
-    bodyParams["Document"] = serializeAws_json1_1Document(
-      input.Document,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Document !== undefined && {
+      Document: serializeAws_json1_1Document(input.Document, context)
+    })
+  };
 };
 
 const serializeAws_json1_1Document = (
   input: Document,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Bytes !== undefined) {
-    bodyParams["Bytes"] = context.base64Encoder(input.Bytes);
-  }
-  if (input.S3Object !== undefined) {
-    bodyParams["S3Object"] = serializeAws_json1_1S3Object(
-      input.S3Object,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Bytes !== undefined && {
+      Bytes: context.base64Encoder(input.Bytes)
+    }),
+    ...(input.S3Object !== undefined && {
+      S3Object: serializeAws_json1_1S3Object(input.S3Object, context)
+    })
+  };
 };
 
 const serializeAws_json1_1DocumentLocation = (
   input: DocumentLocation,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.S3Object !== undefined) {
-    bodyParams["S3Object"] = serializeAws_json1_1S3Object(
-      input.S3Object,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.S3Object !== undefined && {
+      S3Object: serializeAws_json1_1S3Object(input.S3Object, context)
+    })
+  };
 };
 
 const serializeAws_json1_1FeatureTypes = (
@@ -1393,157 +1381,131 @@ const serializeAws_json1_1GetDocumentAnalysisRequest = (
   input: GetDocumentAnalysisRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.JobId !== undefined) {
-    bodyParams["JobId"] = input.JobId;
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.JobId !== undefined && { JobId: input.JobId }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1GetDocumentTextDetectionRequest = (
   input: GetDocumentTextDetectionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.JobId !== undefined) {
-    bodyParams["JobId"] = input.JobId;
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.JobId !== undefined && { JobId: input.JobId }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1HumanLoopConfig = (
   input: HumanLoopConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DataAttributes !== undefined) {
-    bodyParams["DataAttributes"] = serializeAws_json1_1HumanLoopDataAttributes(
-      input.DataAttributes,
-      context
-    );
-  }
-  if (input.FlowDefinitionArn !== undefined) {
-    bodyParams["FlowDefinitionArn"] = input.FlowDefinitionArn;
-  }
-  if (input.HumanLoopName !== undefined) {
-    bodyParams["HumanLoopName"] = input.HumanLoopName;
-  }
-  return bodyParams;
+  return {
+    ...(input.DataAttributes !== undefined && {
+      DataAttributes: serializeAws_json1_1HumanLoopDataAttributes(
+        input.DataAttributes,
+        context
+      )
+    }),
+    ...(input.FlowDefinitionArn !== undefined && {
+      FlowDefinitionArn: input.FlowDefinitionArn
+    }),
+    ...(input.HumanLoopName !== undefined && {
+      HumanLoopName: input.HumanLoopName
+    })
+  };
 };
 
 const serializeAws_json1_1HumanLoopDataAttributes = (
   input: HumanLoopDataAttributes,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ContentClassifiers !== undefined) {
-    bodyParams["ContentClassifiers"] = serializeAws_json1_1ContentClassifiers(
-      input.ContentClassifiers,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ContentClassifiers !== undefined && {
+      ContentClassifiers: serializeAws_json1_1ContentClassifiers(
+        input.ContentClassifiers,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1NotificationChannel = (
   input: NotificationChannel,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.RoleArn !== undefined) {
-    bodyParams["RoleArn"] = input.RoleArn;
-  }
-  if (input.SNSTopicArn !== undefined) {
-    bodyParams["SNSTopicArn"] = input.SNSTopicArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.RoleArn !== undefined && { RoleArn: input.RoleArn }),
+    ...(input.SNSTopicArn !== undefined && { SNSTopicArn: input.SNSTopicArn })
+  };
 };
 
 const serializeAws_json1_1S3Object = (
   input: S3Object,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Bucket !== undefined) {
-    bodyParams["Bucket"] = input.Bucket;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.Version !== undefined) {
-    bodyParams["Version"] = input.Version;
-  }
-  return bodyParams;
+  return {
+    ...(input.Bucket !== undefined && { Bucket: input.Bucket }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.Version !== undefined && { Version: input.Version })
+  };
 };
 
 const serializeAws_json1_1StartDocumentAnalysisRequest = (
   input: StartDocumentAnalysisRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ClientRequestToken !== undefined) {
-    bodyParams["ClientRequestToken"] = input.ClientRequestToken;
-  }
-  if (input.DocumentLocation !== undefined) {
-    bodyParams["DocumentLocation"] = serializeAws_json1_1DocumentLocation(
-      input.DocumentLocation,
-      context
-    );
-  }
-  if (input.FeatureTypes !== undefined) {
-    bodyParams["FeatureTypes"] = serializeAws_json1_1FeatureTypes(
-      input.FeatureTypes,
-      context
-    );
-  }
-  if (input.JobTag !== undefined) {
-    bodyParams["JobTag"] = input.JobTag;
-  }
-  if (input.NotificationChannel !== undefined) {
-    bodyParams["NotificationChannel"] = serializeAws_json1_1NotificationChannel(
-      input.NotificationChannel,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ClientRequestToken !== undefined && {
+      ClientRequestToken: input.ClientRequestToken
+    }),
+    ...(input.DocumentLocation !== undefined && {
+      DocumentLocation: serializeAws_json1_1DocumentLocation(
+        input.DocumentLocation,
+        context
+      )
+    }),
+    ...(input.FeatureTypes !== undefined && {
+      FeatureTypes: serializeAws_json1_1FeatureTypes(
+        input.FeatureTypes,
+        context
+      )
+    }),
+    ...(input.JobTag !== undefined && { JobTag: input.JobTag }),
+    ...(input.NotificationChannel !== undefined && {
+      NotificationChannel: serializeAws_json1_1NotificationChannel(
+        input.NotificationChannel,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1StartDocumentTextDetectionRequest = (
   input: StartDocumentTextDetectionRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ClientRequestToken !== undefined) {
-    bodyParams["ClientRequestToken"] = input.ClientRequestToken;
-  }
-  if (input.DocumentLocation !== undefined) {
-    bodyParams["DocumentLocation"] = serializeAws_json1_1DocumentLocation(
-      input.DocumentLocation,
-      context
-    );
-  }
-  if (input.JobTag !== undefined) {
-    bodyParams["JobTag"] = input.JobTag;
-  }
-  if (input.NotificationChannel !== undefined) {
-    bodyParams["NotificationChannel"] = serializeAws_json1_1NotificationChannel(
-      input.NotificationChannel,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ClientRequestToken !== undefined && {
+      ClientRequestToken: input.ClientRequestToken
+    }),
+    ...(input.DocumentLocation !== undefined && {
+      DocumentLocation: serializeAws_json1_1DocumentLocation(
+        input.DocumentLocation,
+        context
+      )
+    }),
+    ...(input.JobTag !== undefined && { JobTag: input.JobTag }),
+    ...(input.NotificationChannel !== undefined && {
+      NotificationChannel: serializeAws_json1_1NotificationChannel(
+        input.NotificationChannel,
+        context
+      )
+    })
+  };
 };
 
 const deserializeAws_json1_1AccessDeniedException = (
diff --git a/clients/client-transcribe-streaming/protocols/Aws_restJson1_1.ts b/clients/client-transcribe-streaming/protocols/Aws_restJson1_1.ts
index b51496b23e4d..479dc119e1be 100644
--- a/clients/client-transcribe-streaming/protocols/Aws_restJson1_1.ts
+++ b/clients/client-transcribe-streaming/protocols/Aws_restJson1_1.ts
@@ -427,11 +427,11 @@ const serializeAws_restJson1_1AudioEvent = (
   input: AudioEvent,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AudioChunk !== undefined) {
-    bodyParams["AudioChunk"] = context.base64Encoder(input.AudioChunk);
-  }
-  return bodyParams;
+  return {
+    ...(input.AudioChunk !== undefined && {
+      AudioChunk: context.base64Encoder(input.AudioChunk)
+    })
+  };
 };
 
 const serializeAws_restJson1_1AudioStream = (
diff --git a/clients/client-transcribe/protocols/Aws_json1_1.ts b/clients/client-transcribe/protocols/Aws_json1_1.ts
index 4e1760f07b2e..4e79a5313bb4 100644
--- a/clients/client-transcribe/protocols/Aws_json1_1.ts
+++ b/clients/client-transcribe/protocols/Aws_json1_1.ts
@@ -1701,188 +1701,172 @@ const serializeAws_json1_1CreateVocabularyFilterRequest = (
   input: CreateVocabularyFilterRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.LanguageCode !== undefined) {
-    bodyParams["LanguageCode"] = input.LanguageCode;
-  }
-  if (input.VocabularyFilterFileUri !== undefined) {
-    bodyParams["VocabularyFilterFileUri"] = input.VocabularyFilterFileUri;
-  }
-  if (input.VocabularyFilterName !== undefined) {
-    bodyParams["VocabularyFilterName"] = input.VocabularyFilterName;
-  }
-  if (input.Words !== undefined) {
-    bodyParams["Words"] = serializeAws_json1_1Words(input.Words, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.LanguageCode !== undefined && {
+      LanguageCode: input.LanguageCode
+    }),
+    ...(input.VocabularyFilterFileUri !== undefined && {
+      VocabularyFilterFileUri: input.VocabularyFilterFileUri
+    }),
+    ...(input.VocabularyFilterName !== undefined && {
+      VocabularyFilterName: input.VocabularyFilterName
+    }),
+    ...(input.Words !== undefined && {
+      Words: serializeAws_json1_1Words(input.Words, context)
+    })
+  };
 };
 
 const serializeAws_json1_1CreateVocabularyRequest = (
   input: CreateVocabularyRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.LanguageCode !== undefined) {
-    bodyParams["LanguageCode"] = input.LanguageCode;
-  }
-  if (input.Phrases !== undefined) {
-    bodyParams["Phrases"] = serializeAws_json1_1Phrases(input.Phrases, context);
-  }
-  if (input.VocabularyFileUri !== undefined) {
-    bodyParams["VocabularyFileUri"] = input.VocabularyFileUri;
-  }
-  if (input.VocabularyName !== undefined) {
-    bodyParams["VocabularyName"] = input.VocabularyName;
-  }
-  return bodyParams;
+  return {
+    ...(input.LanguageCode !== undefined && {
+      LanguageCode: input.LanguageCode
+    }),
+    ...(input.Phrases !== undefined && {
+      Phrases: serializeAws_json1_1Phrases(input.Phrases, context)
+    }),
+    ...(input.VocabularyFileUri !== undefined && {
+      VocabularyFileUri: input.VocabularyFileUri
+    }),
+    ...(input.VocabularyName !== undefined && {
+      VocabularyName: input.VocabularyName
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteTranscriptionJobRequest = (
   input: DeleteTranscriptionJobRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.TranscriptionJobName !== undefined) {
-    bodyParams["TranscriptionJobName"] = input.TranscriptionJobName;
-  }
-  return bodyParams;
+  return {
+    ...(input.TranscriptionJobName !== undefined && {
+      TranscriptionJobName: input.TranscriptionJobName
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteVocabularyFilterRequest = (
   input: DeleteVocabularyFilterRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.VocabularyFilterName !== undefined) {
-    bodyParams["VocabularyFilterName"] = input.VocabularyFilterName;
-  }
-  return bodyParams;
+  return {
+    ...(input.VocabularyFilterName !== undefined && {
+      VocabularyFilterName: input.VocabularyFilterName
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteVocabularyRequest = (
   input: DeleteVocabularyRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.VocabularyName !== undefined) {
-    bodyParams["VocabularyName"] = input.VocabularyName;
-  }
-  return bodyParams;
+  return {
+    ...(input.VocabularyName !== undefined && {
+      VocabularyName: input.VocabularyName
+    })
+  };
 };
 
 const serializeAws_json1_1GetTranscriptionJobRequest = (
   input: GetTranscriptionJobRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.TranscriptionJobName !== undefined) {
-    bodyParams["TranscriptionJobName"] = input.TranscriptionJobName;
-  }
-  return bodyParams;
+  return {
+    ...(input.TranscriptionJobName !== undefined && {
+      TranscriptionJobName: input.TranscriptionJobName
+    })
+  };
 };
 
 const serializeAws_json1_1GetVocabularyFilterRequest = (
   input: GetVocabularyFilterRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.VocabularyFilterName !== undefined) {
-    bodyParams["VocabularyFilterName"] = input.VocabularyFilterName;
-  }
-  return bodyParams;
+  return {
+    ...(input.VocabularyFilterName !== undefined && {
+      VocabularyFilterName: input.VocabularyFilterName
+    })
+  };
 };
 
 const serializeAws_json1_1GetVocabularyRequest = (
   input: GetVocabularyRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.VocabularyName !== undefined) {
-    bodyParams["VocabularyName"] = input.VocabularyName;
-  }
-  return bodyParams;
+  return {
+    ...(input.VocabularyName !== undefined && {
+      VocabularyName: input.VocabularyName
+    })
+  };
 };
 
 const serializeAws_json1_1JobExecutionSettings = (
   input: JobExecutionSettings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AllowDeferredExecution !== undefined) {
-    bodyParams["AllowDeferredExecution"] = input.AllowDeferredExecution;
-  }
-  if (input.DataAccessRoleArn !== undefined) {
-    bodyParams["DataAccessRoleArn"] = input.DataAccessRoleArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.AllowDeferredExecution !== undefined && {
+      AllowDeferredExecution: input.AllowDeferredExecution
+    }),
+    ...(input.DataAccessRoleArn !== undefined && {
+      DataAccessRoleArn: input.DataAccessRoleArn
+    })
+  };
 };
 
 const serializeAws_json1_1ListTranscriptionJobsRequest = (
   input: ListTranscriptionJobsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.JobNameContains !== undefined) {
-    bodyParams["JobNameContains"] = input.JobNameContains;
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.Status !== undefined) {
-    bodyParams["Status"] = input.Status;
-  }
-  return bodyParams;
+  return {
+    ...(input.JobNameContains !== undefined && {
+      JobNameContains: input.JobNameContains
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.Status !== undefined && { Status: input.Status })
+  };
 };
 
 const serializeAws_json1_1ListVocabulariesRequest = (
   input: ListVocabulariesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NameContains !== undefined) {
-    bodyParams["NameContains"] = input.NameContains;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.StateEquals !== undefined) {
-    bodyParams["StateEquals"] = input.StateEquals;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NameContains !== undefined && {
+      NameContains: input.NameContains
+    }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.StateEquals !== undefined && { StateEquals: input.StateEquals })
+  };
 };
 
 const serializeAws_json1_1ListVocabularyFiltersRequest = (
   input: ListVocabularyFiltersRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NameContains !== undefined) {
-    bodyParams["NameContains"] = input.NameContains;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NameContains !== undefined && {
+      NameContains: input.NameContains
+    }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1Media = (
   input: Media,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MediaFileUri !== undefined) {
-    bodyParams["MediaFileUri"] = input.MediaFileUri;
-  }
-  return bodyParams;
+  return {
+    ...(input.MediaFileUri !== undefined && {
+      MediaFileUri: input.MediaFileUri
+    })
+  };
 };
 
 const serializeAws_json1_1Phrases = (
@@ -1896,112 +1880,105 @@ const serializeAws_json1_1Settings = (
   input: Settings,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ChannelIdentification !== undefined) {
-    bodyParams["ChannelIdentification"] = input.ChannelIdentification;
-  }
-  if (input.MaxAlternatives !== undefined) {
-    bodyParams["MaxAlternatives"] = input.MaxAlternatives;
-  }
-  if (input.MaxSpeakerLabels !== undefined) {
-    bodyParams["MaxSpeakerLabels"] = input.MaxSpeakerLabels;
-  }
-  if (input.ShowAlternatives !== undefined) {
-    bodyParams["ShowAlternatives"] = input.ShowAlternatives;
-  }
-  if (input.ShowSpeakerLabels !== undefined) {
-    bodyParams["ShowSpeakerLabels"] = input.ShowSpeakerLabels;
-  }
-  if (input.VocabularyFilterMethod !== undefined) {
-    bodyParams["VocabularyFilterMethod"] = input.VocabularyFilterMethod;
-  }
-  if (input.VocabularyFilterName !== undefined) {
-    bodyParams["VocabularyFilterName"] = input.VocabularyFilterName;
-  }
-  if (input.VocabularyName !== undefined) {
-    bodyParams["VocabularyName"] = input.VocabularyName;
-  }
-  return bodyParams;
+  return {
+    ...(input.ChannelIdentification !== undefined && {
+      ChannelIdentification: input.ChannelIdentification
+    }),
+    ...(input.MaxAlternatives !== undefined && {
+      MaxAlternatives: input.MaxAlternatives
+    }),
+    ...(input.MaxSpeakerLabels !== undefined && {
+      MaxSpeakerLabels: input.MaxSpeakerLabels
+    }),
+    ...(input.ShowAlternatives !== undefined && {
+      ShowAlternatives: input.ShowAlternatives
+    }),
+    ...(input.ShowSpeakerLabels !== undefined && {
+      ShowSpeakerLabels: input.ShowSpeakerLabels
+    }),
+    ...(input.VocabularyFilterMethod !== undefined && {
+      VocabularyFilterMethod: input.VocabularyFilterMethod
+    }),
+    ...(input.VocabularyFilterName !== undefined && {
+      VocabularyFilterName: input.VocabularyFilterName
+    }),
+    ...(input.VocabularyName !== undefined && {
+      VocabularyName: input.VocabularyName
+    })
+  };
 };
 
 const serializeAws_json1_1StartTranscriptionJobRequest = (
   input: StartTranscriptionJobRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.JobExecutionSettings !== undefined) {
-    bodyParams[
-      "JobExecutionSettings"
-    ] = serializeAws_json1_1JobExecutionSettings(
-      input.JobExecutionSettings,
-      context
-    );
-  }
-  if (input.LanguageCode !== undefined) {
-    bodyParams["LanguageCode"] = input.LanguageCode;
-  }
-  if (input.Media !== undefined) {
-    bodyParams["Media"] = serializeAws_json1_1Media(input.Media, context);
-  }
-  if (input.MediaFormat !== undefined) {
-    bodyParams["MediaFormat"] = input.MediaFormat;
-  }
-  if (input.MediaSampleRateHertz !== undefined) {
-    bodyParams["MediaSampleRateHertz"] = input.MediaSampleRateHertz;
-  }
-  if (input.OutputBucketName !== undefined) {
-    bodyParams["OutputBucketName"] = input.OutputBucketName;
-  }
-  if (input.OutputEncryptionKMSKeyId !== undefined) {
-    bodyParams["OutputEncryptionKMSKeyId"] = input.OutputEncryptionKMSKeyId;
-  }
-  if (input.Settings !== undefined) {
-    bodyParams["Settings"] = serializeAws_json1_1Settings(
-      input.Settings,
-      context
-    );
-  }
-  if (input.TranscriptionJobName !== undefined) {
-    bodyParams["TranscriptionJobName"] = input.TranscriptionJobName;
-  }
-  return bodyParams;
+  return {
+    ...(input.JobExecutionSettings !== undefined && {
+      JobExecutionSettings: serializeAws_json1_1JobExecutionSettings(
+        input.JobExecutionSettings,
+        context
+      )
+    }),
+    ...(input.LanguageCode !== undefined && {
+      LanguageCode: input.LanguageCode
+    }),
+    ...(input.Media !== undefined && {
+      Media: serializeAws_json1_1Media(input.Media, context)
+    }),
+    ...(input.MediaFormat !== undefined && { MediaFormat: input.MediaFormat }),
+    ...(input.MediaSampleRateHertz !== undefined && {
+      MediaSampleRateHertz: input.MediaSampleRateHertz
+    }),
+    ...(input.OutputBucketName !== undefined && {
+      OutputBucketName: input.OutputBucketName
+    }),
+    ...(input.OutputEncryptionKMSKeyId !== undefined && {
+      OutputEncryptionKMSKeyId: input.OutputEncryptionKMSKeyId
+    }),
+    ...(input.Settings !== undefined && {
+      Settings: serializeAws_json1_1Settings(input.Settings, context)
+    }),
+    ...(input.TranscriptionJobName !== undefined && {
+      TranscriptionJobName: input.TranscriptionJobName
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateVocabularyFilterRequest = (
   input: UpdateVocabularyFilterRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.VocabularyFilterFileUri !== undefined) {
-    bodyParams["VocabularyFilterFileUri"] = input.VocabularyFilterFileUri;
-  }
-  if (input.VocabularyFilterName !== undefined) {
-    bodyParams["VocabularyFilterName"] = input.VocabularyFilterName;
-  }
-  if (input.Words !== undefined) {
-    bodyParams["Words"] = serializeAws_json1_1Words(input.Words, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.VocabularyFilterFileUri !== undefined && {
+      VocabularyFilterFileUri: input.VocabularyFilterFileUri
+    }),
+    ...(input.VocabularyFilterName !== undefined && {
+      VocabularyFilterName: input.VocabularyFilterName
+    }),
+    ...(input.Words !== undefined && {
+      Words: serializeAws_json1_1Words(input.Words, context)
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateVocabularyRequest = (
   input: UpdateVocabularyRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.LanguageCode !== undefined) {
-    bodyParams["LanguageCode"] = input.LanguageCode;
-  }
-  if (input.Phrases !== undefined) {
-    bodyParams["Phrases"] = serializeAws_json1_1Phrases(input.Phrases, context);
-  }
-  if (input.VocabularyFileUri !== undefined) {
-    bodyParams["VocabularyFileUri"] = input.VocabularyFileUri;
-  }
-  if (input.VocabularyName !== undefined) {
-    bodyParams["VocabularyName"] = input.VocabularyName;
-  }
-  return bodyParams;
+  return {
+    ...(input.LanguageCode !== undefined && {
+      LanguageCode: input.LanguageCode
+    }),
+    ...(input.Phrases !== undefined && {
+      Phrases: serializeAws_json1_1Phrases(input.Phrases, context)
+    }),
+    ...(input.VocabularyFileUri !== undefined && {
+      VocabularyFileUri: input.VocabularyFileUri
+    }),
+    ...(input.VocabularyName !== undefined && {
+      VocabularyName: input.VocabularyName
+    })
+  };
 };
 
 const serializeAws_json1_1Words = (
diff --git a/clients/client-transfer/protocols/Aws_json1_1.ts b/clients/client-transfer/protocols/Aws_json1_1.ts
index 1a0207b42600..9f307e9f7c3b 100644
--- a/clients/client-transfer/protocols/Aws_json1_1.ts
+++ b/clients/client-transfer/protocols/Aws_json1_1.ts
@@ -2319,186 +2319,143 @@ const serializeAws_json1_1CreateServerRequest = (
   input: CreateServerRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EndpointDetails !== undefined) {
-    bodyParams["EndpointDetails"] = serializeAws_json1_1EndpointDetails(
-      input.EndpointDetails,
-      context
-    );
-  }
-  if (input.EndpointType !== undefined) {
-    bodyParams["EndpointType"] = input.EndpointType;
-  }
-  if (input.HostKey !== undefined) {
-    bodyParams["HostKey"] = input.HostKey;
-  }
-  if (input.IdentityProviderDetails !== undefined) {
-    bodyParams[
-      "IdentityProviderDetails"
-    ] = serializeAws_json1_1IdentityProviderDetails(
-      input.IdentityProviderDetails,
-      context
-    );
-  }
-  if (input.IdentityProviderType !== undefined) {
-    bodyParams["IdentityProviderType"] = input.IdentityProviderType;
-  }
-  if (input.LoggingRole !== undefined) {
-    bodyParams["LoggingRole"] = input.LoggingRole;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1Tags(input.Tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.EndpointDetails !== undefined && {
+      EndpointDetails: serializeAws_json1_1EndpointDetails(
+        input.EndpointDetails,
+        context
+      )
+    }),
+    ...(input.EndpointType !== undefined && {
+      EndpointType: input.EndpointType
+    }),
+    ...(input.HostKey !== undefined && { HostKey: input.HostKey }),
+    ...(input.IdentityProviderDetails !== undefined && {
+      IdentityProviderDetails: serializeAws_json1_1IdentityProviderDetails(
+        input.IdentityProviderDetails,
+        context
+      )
+    }),
+    ...(input.IdentityProviderType !== undefined && {
+      IdentityProviderType: input.IdentityProviderType
+    }),
+    ...(input.LoggingRole !== undefined && { LoggingRole: input.LoggingRole }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1Tags(input.Tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1CreateUserRequest = (
   input: CreateUserRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.HomeDirectory !== undefined) {
-    bodyParams["HomeDirectory"] = input.HomeDirectory;
-  }
-  if (input.HomeDirectoryMappings !== undefined) {
-    bodyParams[
-      "HomeDirectoryMappings"
-    ] = serializeAws_json1_1HomeDirectoryMappings(
-      input.HomeDirectoryMappings,
-      context
-    );
-  }
-  if (input.HomeDirectoryType !== undefined) {
-    bodyParams["HomeDirectoryType"] = input.HomeDirectoryType;
-  }
-  if (input.Policy !== undefined) {
-    bodyParams["Policy"] = input.Policy;
-  }
-  if (input.Role !== undefined) {
-    bodyParams["Role"] = input.Role;
-  }
-  if (input.ServerId !== undefined) {
-    bodyParams["ServerId"] = input.ServerId;
-  }
-  if (input.SshPublicKeyBody !== undefined) {
-    bodyParams["SshPublicKeyBody"] = input.SshPublicKeyBody;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1Tags(input.Tags, context);
-  }
-  if (input.UserName !== undefined) {
-    bodyParams["UserName"] = input.UserName;
-  }
-  return bodyParams;
+  return {
+    ...(input.HomeDirectory !== undefined && {
+      HomeDirectory: input.HomeDirectory
+    }),
+    ...(input.HomeDirectoryMappings !== undefined && {
+      HomeDirectoryMappings: serializeAws_json1_1HomeDirectoryMappings(
+        input.HomeDirectoryMappings,
+        context
+      )
+    }),
+    ...(input.HomeDirectoryType !== undefined && {
+      HomeDirectoryType: input.HomeDirectoryType
+    }),
+    ...(input.Policy !== undefined && { Policy: input.Policy }),
+    ...(input.Role !== undefined && { Role: input.Role }),
+    ...(input.ServerId !== undefined && { ServerId: input.ServerId }),
+    ...(input.SshPublicKeyBody !== undefined && {
+      SshPublicKeyBody: input.SshPublicKeyBody
+    }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1Tags(input.Tags, context)
+    }),
+    ...(input.UserName !== undefined && { UserName: input.UserName })
+  };
 };
 
 const serializeAws_json1_1DeleteServerRequest = (
   input: DeleteServerRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ServerId !== undefined) {
-    bodyParams["ServerId"] = input.ServerId;
-  }
-  return bodyParams;
+  return {
+    ...(input.ServerId !== undefined && { ServerId: input.ServerId })
+  };
 };
 
 const serializeAws_json1_1DeleteSshPublicKeyRequest = (
   input: DeleteSshPublicKeyRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ServerId !== undefined) {
-    bodyParams["ServerId"] = input.ServerId;
-  }
-  if (input.SshPublicKeyId !== undefined) {
-    bodyParams["SshPublicKeyId"] = input.SshPublicKeyId;
-  }
-  if (input.UserName !== undefined) {
-    bodyParams["UserName"] = input.UserName;
-  }
-  return bodyParams;
+  return {
+    ...(input.ServerId !== undefined && { ServerId: input.ServerId }),
+    ...(input.SshPublicKeyId !== undefined && {
+      SshPublicKeyId: input.SshPublicKeyId
+    }),
+    ...(input.UserName !== undefined && { UserName: input.UserName })
+  };
 };
 
 const serializeAws_json1_1DeleteUserRequest = (
   input: DeleteUserRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ServerId !== undefined) {
-    bodyParams["ServerId"] = input.ServerId;
-  }
-  if (input.UserName !== undefined) {
-    bodyParams["UserName"] = input.UserName;
-  }
-  return bodyParams;
+  return {
+    ...(input.ServerId !== undefined && { ServerId: input.ServerId }),
+    ...(input.UserName !== undefined && { UserName: input.UserName })
+  };
 };
 
 const serializeAws_json1_1DescribeServerRequest = (
   input: DescribeServerRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ServerId !== undefined) {
-    bodyParams["ServerId"] = input.ServerId;
-  }
-  return bodyParams;
+  return {
+    ...(input.ServerId !== undefined && { ServerId: input.ServerId })
+  };
 };
 
 const serializeAws_json1_1DescribeUserRequest = (
   input: DescribeUserRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ServerId !== undefined) {
-    bodyParams["ServerId"] = input.ServerId;
-  }
-  if (input.UserName !== undefined) {
-    bodyParams["UserName"] = input.UserName;
-  }
-  return bodyParams;
+  return {
+    ...(input.ServerId !== undefined && { ServerId: input.ServerId }),
+    ...(input.UserName !== undefined && { UserName: input.UserName })
+  };
 };
 
 const serializeAws_json1_1EndpointDetails = (
   input: EndpointDetails,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AddressAllocationIds !== undefined) {
-    bodyParams[
-      "AddressAllocationIds"
-    ] = serializeAws_json1_1AddressAllocationIds(
-      input.AddressAllocationIds,
-      context
-    );
-  }
-  if (input.SubnetIds !== undefined) {
-    bodyParams["SubnetIds"] = serializeAws_json1_1SubnetIds(
-      input.SubnetIds,
-      context
-    );
-  }
-  if (input.VpcEndpointId !== undefined) {
-    bodyParams["VpcEndpointId"] = input.VpcEndpointId;
-  }
-  if (input.VpcId !== undefined) {
-    bodyParams["VpcId"] = input.VpcId;
-  }
-  return bodyParams;
+  return {
+    ...(input.AddressAllocationIds !== undefined && {
+      AddressAllocationIds: serializeAws_json1_1AddressAllocationIds(
+        input.AddressAllocationIds,
+        context
+      )
+    }),
+    ...(input.SubnetIds !== undefined && {
+      SubnetIds: serializeAws_json1_1SubnetIds(input.SubnetIds, context)
+    }),
+    ...(input.VpcEndpointId !== undefined && {
+      VpcEndpointId: input.VpcEndpointId
+    }),
+    ...(input.VpcId !== undefined && { VpcId: input.VpcId })
+  };
 };
 
 const serializeAws_json1_1HomeDirectoryMapEntry = (
   input: HomeDirectoryMapEntry,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Entry !== undefined) {
-    bodyParams["Entry"] = input.Entry;
-  }
-  if (input.Target !== undefined) {
-    bodyParams["Target"] = input.Target;
-  }
-  return bodyParams;
+  return {
+    ...(input.Entry !== undefined && { Entry: input.Entry }),
+    ...(input.Target !== undefined && { Target: input.Target })
+  };
 };
 
 const serializeAws_json1_1HomeDirectoryMappings = (
@@ -2514,101 +2471,75 @@ const serializeAws_json1_1IdentityProviderDetails = (
   input: IdentityProviderDetails,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.InvocationRole !== undefined) {
-    bodyParams["InvocationRole"] = input.InvocationRole;
-  }
-  if (input.Url !== undefined) {
-    bodyParams["Url"] = input.Url;
-  }
-  return bodyParams;
+  return {
+    ...(input.InvocationRole !== undefined && {
+      InvocationRole: input.InvocationRole
+    }),
+    ...(input.Url !== undefined && { Url: input.Url })
+  };
 };
 
 const serializeAws_json1_1ImportSshPublicKeyRequest = (
   input: ImportSshPublicKeyRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ServerId !== undefined) {
-    bodyParams["ServerId"] = input.ServerId;
-  }
-  if (input.SshPublicKeyBody !== undefined) {
-    bodyParams["SshPublicKeyBody"] = input.SshPublicKeyBody;
-  }
-  if (input.UserName !== undefined) {
-    bodyParams["UserName"] = input.UserName;
-  }
-  return bodyParams;
+  return {
+    ...(input.ServerId !== undefined && { ServerId: input.ServerId }),
+    ...(input.SshPublicKeyBody !== undefined && {
+      SshPublicKeyBody: input.SshPublicKeyBody
+    }),
+    ...(input.UserName !== undefined && { UserName: input.UserName })
+  };
 };
 
 const serializeAws_json1_1ListServersRequest = (
   input: ListServersRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1ListTagsForResourceRequest = (
   input: ListTagsForResourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Arn !== undefined) {
-    bodyParams["Arn"] = input.Arn;
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.Arn !== undefined && { Arn: input.Arn }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1ListUsersRequest = (
   input: ListUsersRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.ServerId !== undefined) {
-    bodyParams["ServerId"] = input.ServerId;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.ServerId !== undefined && { ServerId: input.ServerId })
+  };
 };
 
 const serializeAws_json1_1StartServerRequest = (
   input: StartServerRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ServerId !== undefined) {
-    bodyParams["ServerId"] = input.ServerId;
-  }
-  return bodyParams;
+  return {
+    ...(input.ServerId !== undefined && { ServerId: input.ServerId })
+  };
 };
 
 const serializeAws_json1_1StopServerRequest = (
   input: StopServerRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ServerId !== undefined) {
-    bodyParams["ServerId"] = input.ServerId;
-  }
-  return bodyParams;
+  return {
+    ...(input.ServerId !== undefined && { ServerId: input.ServerId })
+  };
 };
 
 const serializeAws_json1_1SubnetIds = (
@@ -2619,14 +2550,10 @@ const serializeAws_json1_1SubnetIds = (
 };
 
 const serializeAws_json1_1Tag = (input: Tag, context: __SerdeContext): any => {
-  const bodyParams: any = {};
-  if (input.Key !== undefined) {
-    bodyParams["Key"] = input.Key;
-  }
-  if (input.Value !== undefined) {
-    bodyParams["Value"] = input.Value;
-  }
-  return bodyParams;
+  return {
+    ...(input.Key !== undefined && { Key: input.Key }),
+    ...(input.Value !== undefined && { Value: input.Value })
+  };
 };
 
 const serializeAws_json1_1TagKeys = (
@@ -2640,14 +2567,12 @@ const serializeAws_json1_1TagResourceRequest = (
   input: TagResourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Arn !== undefined) {
-    bodyParams["Arn"] = input.Arn;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1Tags(input.Tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.Arn !== undefined && { Arn: input.Arn }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1Tags(input.Tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1Tags = (
@@ -2661,99 +2586,75 @@ const serializeAws_json1_1TestIdentityProviderRequest = (
   input: TestIdentityProviderRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ServerId !== undefined) {
-    bodyParams["ServerId"] = input.ServerId;
-  }
-  if (input.UserName !== undefined) {
-    bodyParams["UserName"] = input.UserName;
-  }
-  if (input.UserPassword !== undefined) {
-    bodyParams["UserPassword"] = input.UserPassword;
-  }
-  return bodyParams;
+  return {
+    ...(input.ServerId !== undefined && { ServerId: input.ServerId }),
+    ...(input.UserName !== undefined && { UserName: input.UserName }),
+    ...(input.UserPassword !== undefined && {
+      UserPassword: input.UserPassword
+    })
+  };
 };
 
 const serializeAws_json1_1UntagResourceRequest = (
   input: UntagResourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Arn !== undefined) {
-    bodyParams["Arn"] = input.Arn;
-  }
-  if (input.TagKeys !== undefined) {
-    bodyParams["TagKeys"] = serializeAws_json1_1TagKeys(input.TagKeys, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.Arn !== undefined && { Arn: input.Arn }),
+    ...(input.TagKeys !== undefined && {
+      TagKeys: serializeAws_json1_1TagKeys(input.TagKeys, context)
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateServerRequest = (
   input: UpdateServerRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EndpointDetails !== undefined) {
-    bodyParams["EndpointDetails"] = serializeAws_json1_1EndpointDetails(
-      input.EndpointDetails,
-      context
-    );
-  }
-  if (input.EndpointType !== undefined) {
-    bodyParams["EndpointType"] = input.EndpointType;
-  }
-  if (input.HostKey !== undefined) {
-    bodyParams["HostKey"] = input.HostKey;
-  }
-  if (input.IdentityProviderDetails !== undefined) {
-    bodyParams[
-      "IdentityProviderDetails"
-    ] = serializeAws_json1_1IdentityProviderDetails(
-      input.IdentityProviderDetails,
-      context
-    );
-  }
-  if (input.LoggingRole !== undefined) {
-    bodyParams["LoggingRole"] = input.LoggingRole;
-  }
-  if (input.ServerId !== undefined) {
-    bodyParams["ServerId"] = input.ServerId;
-  }
-  return bodyParams;
+  return {
+    ...(input.EndpointDetails !== undefined && {
+      EndpointDetails: serializeAws_json1_1EndpointDetails(
+        input.EndpointDetails,
+        context
+      )
+    }),
+    ...(input.EndpointType !== undefined && {
+      EndpointType: input.EndpointType
+    }),
+    ...(input.HostKey !== undefined && { HostKey: input.HostKey }),
+    ...(input.IdentityProviderDetails !== undefined && {
+      IdentityProviderDetails: serializeAws_json1_1IdentityProviderDetails(
+        input.IdentityProviderDetails,
+        context
+      )
+    }),
+    ...(input.LoggingRole !== undefined && { LoggingRole: input.LoggingRole }),
+    ...(input.ServerId !== undefined && { ServerId: input.ServerId })
+  };
 };
 
 const serializeAws_json1_1UpdateUserRequest = (
   input: UpdateUserRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.HomeDirectory !== undefined) {
-    bodyParams["HomeDirectory"] = input.HomeDirectory;
-  }
-  if (input.HomeDirectoryMappings !== undefined) {
-    bodyParams[
-      "HomeDirectoryMappings"
-    ] = serializeAws_json1_1HomeDirectoryMappings(
-      input.HomeDirectoryMappings,
-      context
-    );
-  }
-  if (input.HomeDirectoryType !== undefined) {
-    bodyParams["HomeDirectoryType"] = input.HomeDirectoryType;
-  }
-  if (input.Policy !== undefined) {
-    bodyParams["Policy"] = input.Policy;
-  }
-  if (input.Role !== undefined) {
-    bodyParams["Role"] = input.Role;
-  }
-  if (input.ServerId !== undefined) {
-    bodyParams["ServerId"] = input.ServerId;
-  }
-  if (input.UserName !== undefined) {
-    bodyParams["UserName"] = input.UserName;
-  }
-  return bodyParams;
+  return {
+    ...(input.HomeDirectory !== undefined && {
+      HomeDirectory: input.HomeDirectory
+    }),
+    ...(input.HomeDirectoryMappings !== undefined && {
+      HomeDirectoryMappings: serializeAws_json1_1HomeDirectoryMappings(
+        input.HomeDirectoryMappings,
+        context
+      )
+    }),
+    ...(input.HomeDirectoryType !== undefined && {
+      HomeDirectoryType: input.HomeDirectoryType
+    }),
+    ...(input.Policy !== undefined && { Policy: input.Policy }),
+    ...(input.Role !== undefined && { Role: input.Role }),
+    ...(input.ServerId !== undefined && { ServerId: input.ServerId }),
+    ...(input.UserName !== undefined && { UserName: input.UserName })
+  };
 };
 
 const deserializeAws_json1_1ServiceUnavailableException = (
diff --git a/clients/client-translate/protocols/Aws_json1_1.ts b/clients/client-translate/protocols/Aws_json1_1.ts
index ad0472b8e56b..1e30167c78ad 100644
--- a/clients/client-translate/protocols/Aws_json1_1.ts
+++ b/clients/client-translate/protocols/Aws_json1_1.ts
@@ -1295,138 +1295,110 @@ const serializeAws_json1_1DeleteTerminologyRequest = (
   input: DeleteTerminologyRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1DescribeTextTranslationJobRequest = (
   input: DescribeTextTranslationJobRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.JobId !== undefined) {
-    bodyParams["JobId"] = input.JobId;
-  }
-  return bodyParams;
+  return {
+    ...(input.JobId !== undefined && { JobId: input.JobId })
+  };
 };
 
 const serializeAws_json1_1EncryptionKey = (
   input: EncryptionKey,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Id !== undefined) {
-    bodyParams["Id"] = input.Id;
-  }
-  if (input.Type !== undefined) {
-    bodyParams["Type"] = input.Type;
-  }
-  return bodyParams;
+  return {
+    ...(input.Id !== undefined && { Id: input.Id }),
+    ...(input.Type !== undefined && { Type: input.Type })
+  };
 };
 
 const serializeAws_json1_1GetTerminologyRequest = (
   input: GetTerminologyRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.TerminologyDataFormat !== undefined) {
-    bodyParams["TerminologyDataFormat"] = input.TerminologyDataFormat;
-  }
-  return bodyParams;
+  return {
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.TerminologyDataFormat !== undefined && {
+      TerminologyDataFormat: input.TerminologyDataFormat
+    })
+  };
 };
 
 const serializeAws_json1_1ImportTerminologyRequest = (
   input: ImportTerminologyRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.EncryptionKey !== undefined) {
-    bodyParams["EncryptionKey"] = serializeAws_json1_1EncryptionKey(
-      input.EncryptionKey,
-      context
-    );
-  }
-  if (input.MergeStrategy !== undefined) {
-    bodyParams["MergeStrategy"] = input.MergeStrategy;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.TerminologyData !== undefined) {
-    bodyParams["TerminologyData"] = serializeAws_json1_1TerminologyData(
-      input.TerminologyData,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.EncryptionKey !== undefined && {
+      EncryptionKey: serializeAws_json1_1EncryptionKey(
+        input.EncryptionKey,
+        context
+      )
+    }),
+    ...(input.MergeStrategy !== undefined && {
+      MergeStrategy: input.MergeStrategy
+    }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.TerminologyData !== undefined && {
+      TerminologyData: serializeAws_json1_1TerminologyData(
+        input.TerminologyData,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1InputDataConfig = (
   input: InputDataConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ContentType !== undefined) {
-    bodyParams["ContentType"] = input.ContentType;
-  }
-  if (input.S3Uri !== undefined) {
-    bodyParams["S3Uri"] = input.S3Uri;
-  }
-  return bodyParams;
+  return {
+    ...(input.ContentType !== undefined && { ContentType: input.ContentType }),
+    ...(input.S3Uri !== undefined && { S3Uri: input.S3Uri })
+  };
 };
 
 const serializeAws_json1_1ListTerminologiesRequest = (
   input: ListTerminologiesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1ListTextTranslationJobsRequest = (
   input: ListTextTranslationJobsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Filter !== undefined) {
-    bodyParams["Filter"] = serializeAws_json1_1TextTranslationJobFilter(
-      input.Filter,
-      context
-    );
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.Filter !== undefined && {
+      Filter: serializeAws_json1_1TextTranslationJobFilter(
+        input.Filter,
+        context
+      )
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1OutputDataConfig = (
   input: OutputDataConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.S3Uri !== undefined) {
-    bodyParams["S3Uri"] = input.S3Uri;
-  }
-  return bodyParams;
+  return {
+    ...(input.S3Uri !== undefined && { S3Uri: input.S3Uri })
+  };
 };
 
 const serializeAws_json1_1ResourceNameList = (
@@ -1440,60 +1412,49 @@ const serializeAws_json1_1StartTextTranslationJobRequest = (
   input: StartTextTranslationJobRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ClientToken === undefined) {
-    input.ClientToken = generateIdempotencyToken();
-  }
-  if (input.ClientToken !== undefined) {
-    bodyParams["ClientToken"] = input.ClientToken;
-  }
-  if (input.DataAccessRoleArn !== undefined) {
-    bodyParams["DataAccessRoleArn"] = input.DataAccessRoleArn;
-  }
-  if (input.InputDataConfig !== undefined) {
-    bodyParams["InputDataConfig"] = serializeAws_json1_1InputDataConfig(
-      input.InputDataConfig,
-      context
-    );
-  }
-  if (input.JobName !== undefined) {
-    bodyParams["JobName"] = input.JobName;
-  }
-  if (input.OutputDataConfig !== undefined) {
-    bodyParams["OutputDataConfig"] = serializeAws_json1_1OutputDataConfig(
-      input.OutputDataConfig,
-      context
-    );
-  }
-  if (input.SourceLanguageCode !== undefined) {
-    bodyParams["SourceLanguageCode"] = input.SourceLanguageCode;
-  }
-  if (input.TargetLanguageCodes !== undefined) {
-    bodyParams[
-      "TargetLanguageCodes"
-    ] = serializeAws_json1_1TargetLanguageCodeStringList(
-      input.TargetLanguageCodes,
-      context
-    );
-  }
-  if (input.TerminologyNames !== undefined) {
-    bodyParams["TerminologyNames"] = serializeAws_json1_1ResourceNameList(
-      input.TerminologyNames,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ClientToken: input.ClientToken ?? generateIdempotencyToken(),
+    ...(input.DataAccessRoleArn !== undefined && {
+      DataAccessRoleArn: input.DataAccessRoleArn
+    }),
+    ...(input.InputDataConfig !== undefined && {
+      InputDataConfig: serializeAws_json1_1InputDataConfig(
+        input.InputDataConfig,
+        context
+      )
+    }),
+    ...(input.JobName !== undefined && { JobName: input.JobName }),
+    ...(input.OutputDataConfig !== undefined && {
+      OutputDataConfig: serializeAws_json1_1OutputDataConfig(
+        input.OutputDataConfig,
+        context
+      )
+    }),
+    ...(input.SourceLanguageCode !== undefined && {
+      SourceLanguageCode: input.SourceLanguageCode
+    }),
+    ...(input.TargetLanguageCodes !== undefined && {
+      TargetLanguageCodes: serializeAws_json1_1TargetLanguageCodeStringList(
+        input.TargetLanguageCodes,
+        context
+      )
+    }),
+    ...(input.TerminologyNames !== undefined && {
+      TerminologyNames: serializeAws_json1_1ResourceNameList(
+        input.TerminologyNames,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1StopTextTranslationJobRequest = (
   input: StopTextTranslationJobRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.JobId !== undefined) {
-    bodyParams["JobId"] = input.JobId;
-  }
-  return bodyParams;
+  return {
+    ...(input.JobId !== undefined && { JobId: input.JobId })
+  };
 };
 
 const serializeAws_json1_1TargetLanguageCodeStringList = (
@@ -1507,61 +1468,51 @@ const serializeAws_json1_1TerminologyData = (
   input: TerminologyData,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.File !== undefined) {
-    bodyParams["File"] = context.base64Encoder(input.File);
-  }
-  if (input.Format !== undefined) {
-    bodyParams["Format"] = input.Format;
-  }
-  return bodyParams;
+  return {
+    ...(input.File !== undefined && {
+      File: context.base64Encoder(input.File)
+    }),
+    ...(input.Format !== undefined && { Format: input.Format })
+  };
 };
 
 const serializeAws_json1_1TextTranslationJobFilter = (
   input: TextTranslationJobFilter,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.JobName !== undefined) {
-    bodyParams["JobName"] = input.JobName;
-  }
-  if (input.JobStatus !== undefined) {
-    bodyParams["JobStatus"] = input.JobStatus;
-  }
-  if (input.SubmittedAfterTime !== undefined) {
-    bodyParams["SubmittedAfterTime"] = Math.round(
-      input.SubmittedAfterTime.getTime() / 1000
-    );
-  }
-  if (input.SubmittedBeforeTime !== undefined) {
-    bodyParams["SubmittedBeforeTime"] = Math.round(
-      input.SubmittedBeforeTime.getTime() / 1000
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.JobName !== undefined && { JobName: input.JobName }),
+    ...(input.JobStatus !== undefined && { JobStatus: input.JobStatus }),
+    ...(input.SubmittedAfterTime !== undefined && {
+      SubmittedAfterTime: Math.round(input.SubmittedAfterTime.getTime() / 1000)
+    }),
+    ...(input.SubmittedBeforeTime !== undefined && {
+      SubmittedBeforeTime: Math.round(
+        input.SubmittedBeforeTime.getTime() / 1000
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1TranslateTextRequest = (
   input: TranslateTextRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.SourceLanguageCode !== undefined) {
-    bodyParams["SourceLanguageCode"] = input.SourceLanguageCode;
-  }
-  if (input.TargetLanguageCode !== undefined) {
-    bodyParams["TargetLanguageCode"] = input.TargetLanguageCode;
-  }
-  if (input.TerminologyNames !== undefined) {
-    bodyParams["TerminologyNames"] = serializeAws_json1_1ResourceNameList(
-      input.TerminologyNames,
-      context
-    );
-  }
-  if (input.Text !== undefined) {
-    bodyParams["Text"] = input.Text;
-  }
-  return bodyParams;
+  return {
+    ...(input.SourceLanguageCode !== undefined && {
+      SourceLanguageCode: input.SourceLanguageCode
+    }),
+    ...(input.TargetLanguageCode !== undefined && {
+      TargetLanguageCode: input.TargetLanguageCode
+    }),
+    ...(input.TerminologyNames !== undefined && {
+      TerminologyNames: serializeAws_json1_1ResourceNameList(
+        input.TerminologyNames,
+        context
+      )
+    }),
+    ...(input.Text !== undefined && { Text: input.Text })
+  };
 };
 
 const deserializeAws_json1_1AppliedTerminology = (
diff --git a/clients/client-waf-regional/protocols/Aws_json1_1.ts b/clients/client-waf-regional/protocols/Aws_json1_1.ts
index 678e0bbd956d..05860720acd5 100644
--- a/clients/client-waf-regional/protocols/Aws_json1_1.ts
+++ b/clients/client-waf-regional/protocols/Aws_json1_1.ts
@@ -10455,99 +10455,81 @@ const serializeAws_json1_1AssociateWebACLRequest = (
   input: AssociateWebACLRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceArn !== undefined) {
-    bodyParams["ResourceArn"] = input.ResourceArn;
-  }
-  if (input.WebACLId !== undefined) {
-    bodyParams["WebACLId"] = input.WebACLId;
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceArn !== undefined && { ResourceArn: input.ResourceArn }),
+    ...(input.WebACLId !== undefined && { WebACLId: input.WebACLId })
+  };
 };
 
 const serializeAws_json1_1DisassociateWebACLRequest = (
   input: DisassociateWebACLRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceArn !== undefined) {
-    bodyParams["ResourceArn"] = input.ResourceArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceArn !== undefined && { ResourceArn: input.ResourceArn })
+  };
 };
 
 const serializeAws_json1_1GetWebACLForResourceRequest = (
   input: GetWebACLForResourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceArn !== undefined) {
-    bodyParams["ResourceArn"] = input.ResourceArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceArn !== undefined && { ResourceArn: input.ResourceArn })
+  };
 };
 
 const serializeAws_json1_1ListResourcesForWebACLRequest = (
   input: ListResourcesForWebACLRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceType !== undefined) {
-    bodyParams["ResourceType"] = input.ResourceType;
-  }
-  if (input.WebACLId !== undefined) {
-    bodyParams["WebACLId"] = input.WebACLId;
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceType !== undefined && {
+      ResourceType: input.ResourceType
+    }),
+    ...(input.WebACLId !== undefined && { WebACLId: input.WebACLId })
+  };
 };
 
 const serializeAws_json1_1ActivatedRule = (
   input: ActivatedRule,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Action !== undefined) {
-    bodyParams["Action"] = serializeAws_json1_1WafAction(input.Action, context);
-  }
-  if (input.ExcludedRules !== undefined) {
-    bodyParams["ExcludedRules"] = serializeAws_json1_1ExcludedRules(
-      input.ExcludedRules,
-      context
-    );
-  }
-  if (input.OverrideAction !== undefined) {
-    bodyParams["OverrideAction"] = serializeAws_json1_1WafOverrideAction(
-      input.OverrideAction,
-      context
-    );
-  }
-  if (input.Priority !== undefined) {
-    bodyParams["Priority"] = input.Priority;
-  }
-  if (input.RuleId !== undefined) {
-    bodyParams["RuleId"] = input.RuleId;
-  }
-  if (input.Type !== undefined) {
-    bodyParams["Type"] = input.Type;
-  }
-  return bodyParams;
+  return {
+    ...(input.Action !== undefined && {
+      Action: serializeAws_json1_1WafAction(input.Action, context)
+    }),
+    ...(input.ExcludedRules !== undefined && {
+      ExcludedRules: serializeAws_json1_1ExcludedRules(
+        input.ExcludedRules,
+        context
+      )
+    }),
+    ...(input.OverrideAction !== undefined && {
+      OverrideAction: serializeAws_json1_1WafOverrideAction(
+        input.OverrideAction,
+        context
+      )
+    }),
+    ...(input.Priority !== undefined && { Priority: input.Priority }),
+    ...(input.RuleId !== undefined && { RuleId: input.RuleId }),
+    ...(input.Type !== undefined && { Type: input.Type })
+  };
 };
 
 const serializeAws_json1_1ByteMatchSetUpdate = (
   input: ByteMatchSetUpdate,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Action !== undefined) {
-    bodyParams["Action"] = input.Action;
-  }
-  if (input.ByteMatchTuple !== undefined) {
-    bodyParams["ByteMatchTuple"] = serializeAws_json1_1ByteMatchTuple(
-      input.ByteMatchTuple,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Action !== undefined && { Action: input.Action }),
+    ...(input.ByteMatchTuple !== undefined && {
+      ByteMatchTuple: serializeAws_json1_1ByteMatchTuple(
+        input.ByteMatchTuple,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1ByteMatchSetUpdates = (
@@ -10563,428 +10545,325 @@ const serializeAws_json1_1ByteMatchTuple = (
   input: ByteMatchTuple,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.FieldToMatch !== undefined) {
-    bodyParams["FieldToMatch"] = serializeAws_json1_1FieldToMatch(
-      input.FieldToMatch,
-      context
-    );
-  }
-  if (input.PositionalConstraint !== undefined) {
-    bodyParams["PositionalConstraint"] = input.PositionalConstraint;
-  }
-  if (input.TargetString !== undefined) {
-    bodyParams["TargetString"] = context.base64Encoder(input.TargetString);
-  }
-  if (input.TextTransformation !== undefined) {
-    bodyParams["TextTransformation"] = input.TextTransformation;
-  }
-  return bodyParams;
+  return {
+    ...(input.FieldToMatch !== undefined && {
+      FieldToMatch: serializeAws_json1_1FieldToMatch(
+        input.FieldToMatch,
+        context
+      )
+    }),
+    ...(input.PositionalConstraint !== undefined && {
+      PositionalConstraint: input.PositionalConstraint
+    }),
+    ...(input.TargetString !== undefined && {
+      TargetString: context.base64Encoder(input.TargetString)
+    }),
+    ...(input.TextTransformation !== undefined && {
+      TextTransformation: input.TextTransformation
+    })
+  };
 };
 
 const serializeAws_json1_1CreateByteMatchSetRequest = (
   input: CreateByteMatchSetRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ChangeToken !== undefined) {
-    bodyParams["ChangeToken"] = input.ChangeToken;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.ChangeToken !== undefined && { ChangeToken: input.ChangeToken }),
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1CreateGeoMatchSetRequest = (
   input: CreateGeoMatchSetRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ChangeToken !== undefined) {
-    bodyParams["ChangeToken"] = input.ChangeToken;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.ChangeToken !== undefined && { ChangeToken: input.ChangeToken }),
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1CreateIPSetRequest = (
   input: CreateIPSetRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ChangeToken !== undefined) {
-    bodyParams["ChangeToken"] = input.ChangeToken;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.ChangeToken !== undefined && { ChangeToken: input.ChangeToken }),
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1CreateRateBasedRuleRequest = (
   input: CreateRateBasedRuleRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ChangeToken !== undefined) {
-    bodyParams["ChangeToken"] = input.ChangeToken;
-  }
-  if (input.MetricName !== undefined) {
-    bodyParams["MetricName"] = input.MetricName;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.RateKey !== undefined) {
-    bodyParams["RateKey"] = input.RateKey;
-  }
-  if (input.RateLimit !== undefined) {
-    bodyParams["RateLimit"] = input.RateLimit;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagList(input.Tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.ChangeToken !== undefined && { ChangeToken: input.ChangeToken }),
+    ...(input.MetricName !== undefined && { MetricName: input.MetricName }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.RateKey !== undefined && { RateKey: input.RateKey }),
+    ...(input.RateLimit !== undefined && { RateLimit: input.RateLimit }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagList(input.Tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1CreateRegexMatchSetRequest = (
   input: CreateRegexMatchSetRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ChangeToken !== undefined) {
-    bodyParams["ChangeToken"] = input.ChangeToken;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.ChangeToken !== undefined && { ChangeToken: input.ChangeToken }),
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1CreateRegexPatternSetRequest = (
   input: CreateRegexPatternSetRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ChangeToken !== undefined) {
-    bodyParams["ChangeToken"] = input.ChangeToken;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.ChangeToken !== undefined && { ChangeToken: input.ChangeToken }),
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1CreateRuleGroupRequest = (
   input: CreateRuleGroupRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ChangeToken !== undefined) {
-    bodyParams["ChangeToken"] = input.ChangeToken;
-  }
-  if (input.MetricName !== undefined) {
-    bodyParams["MetricName"] = input.MetricName;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagList(input.Tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.ChangeToken !== undefined && { ChangeToken: input.ChangeToken }),
+    ...(input.MetricName !== undefined && { MetricName: input.MetricName }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagList(input.Tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1CreateRuleRequest = (
   input: CreateRuleRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ChangeToken !== undefined) {
-    bodyParams["ChangeToken"] = input.ChangeToken;
-  }
-  if (input.MetricName !== undefined) {
-    bodyParams["MetricName"] = input.MetricName;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagList(input.Tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.ChangeToken !== undefined && { ChangeToken: input.ChangeToken }),
+    ...(input.MetricName !== undefined && { MetricName: input.MetricName }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagList(input.Tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1CreateSizeConstraintSetRequest = (
   input: CreateSizeConstraintSetRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ChangeToken !== undefined) {
-    bodyParams["ChangeToken"] = input.ChangeToken;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.ChangeToken !== undefined && { ChangeToken: input.ChangeToken }),
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1CreateSqlInjectionMatchSetRequest = (
   input: CreateSqlInjectionMatchSetRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ChangeToken !== undefined) {
-    bodyParams["ChangeToken"] = input.ChangeToken;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.ChangeToken !== undefined && { ChangeToken: input.ChangeToken }),
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1CreateWebACLRequest = (
   input: CreateWebACLRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ChangeToken !== undefined) {
-    bodyParams["ChangeToken"] = input.ChangeToken;
-  }
-  if (input.DefaultAction !== undefined) {
-    bodyParams["DefaultAction"] = serializeAws_json1_1WafAction(
-      input.DefaultAction,
-      context
-    );
-  }
-  if (input.MetricName !== undefined) {
-    bodyParams["MetricName"] = input.MetricName;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagList(input.Tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.ChangeToken !== undefined && { ChangeToken: input.ChangeToken }),
+    ...(input.DefaultAction !== undefined && {
+      DefaultAction: serializeAws_json1_1WafAction(input.DefaultAction, context)
+    }),
+    ...(input.MetricName !== undefined && { MetricName: input.MetricName }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagList(input.Tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1CreateXssMatchSetRequest = (
   input: CreateXssMatchSetRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ChangeToken !== undefined) {
-    bodyParams["ChangeToken"] = input.ChangeToken;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.ChangeToken !== undefined && { ChangeToken: input.ChangeToken }),
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1DeleteByteMatchSetRequest = (
   input: DeleteByteMatchSetRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ByteMatchSetId !== undefined) {
-    bodyParams["ByteMatchSetId"] = input.ByteMatchSetId;
-  }
-  if (input.ChangeToken !== undefined) {
-    bodyParams["ChangeToken"] = input.ChangeToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.ByteMatchSetId !== undefined && {
+      ByteMatchSetId: input.ByteMatchSetId
+    }),
+    ...(input.ChangeToken !== undefined && { ChangeToken: input.ChangeToken })
+  };
 };
 
 const serializeAws_json1_1DeleteGeoMatchSetRequest = (
   input: DeleteGeoMatchSetRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ChangeToken !== undefined) {
-    bodyParams["ChangeToken"] = input.ChangeToken;
-  }
-  if (input.GeoMatchSetId !== undefined) {
-    bodyParams["GeoMatchSetId"] = input.GeoMatchSetId;
-  }
-  return bodyParams;
+  return {
+    ...(input.ChangeToken !== undefined && { ChangeToken: input.ChangeToken }),
+    ...(input.GeoMatchSetId !== undefined && {
+      GeoMatchSetId: input.GeoMatchSetId
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteIPSetRequest = (
   input: DeleteIPSetRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ChangeToken !== undefined) {
-    bodyParams["ChangeToken"] = input.ChangeToken;
-  }
-  if (input.IPSetId !== undefined) {
-    bodyParams["IPSetId"] = input.IPSetId;
-  }
-  return bodyParams;
+  return {
+    ...(input.ChangeToken !== undefined && { ChangeToken: input.ChangeToken }),
+    ...(input.IPSetId !== undefined && { IPSetId: input.IPSetId })
+  };
 };
 
 const serializeAws_json1_1DeleteLoggingConfigurationRequest = (
   input: DeleteLoggingConfigurationRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceArn !== undefined) {
-    bodyParams["ResourceArn"] = input.ResourceArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceArn !== undefined && { ResourceArn: input.ResourceArn })
+  };
 };
 
 const serializeAws_json1_1DeletePermissionPolicyRequest = (
   input: DeletePermissionPolicyRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceArn !== undefined) {
-    bodyParams["ResourceArn"] = input.ResourceArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceArn !== undefined && { ResourceArn: input.ResourceArn })
+  };
 };
 
 const serializeAws_json1_1DeleteRateBasedRuleRequest = (
   input: DeleteRateBasedRuleRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ChangeToken !== undefined) {
-    bodyParams["ChangeToken"] = input.ChangeToken;
-  }
-  if (input.RuleId !== undefined) {
-    bodyParams["RuleId"] = input.RuleId;
-  }
-  return bodyParams;
+  return {
+    ...(input.ChangeToken !== undefined && { ChangeToken: input.ChangeToken }),
+    ...(input.RuleId !== undefined && { RuleId: input.RuleId })
+  };
 };
 
 const serializeAws_json1_1DeleteRegexMatchSetRequest = (
   input: DeleteRegexMatchSetRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ChangeToken !== undefined) {
-    bodyParams["ChangeToken"] = input.ChangeToken;
-  }
-  if (input.RegexMatchSetId !== undefined) {
-    bodyParams["RegexMatchSetId"] = input.RegexMatchSetId;
-  }
-  return bodyParams;
+  return {
+    ...(input.ChangeToken !== undefined && { ChangeToken: input.ChangeToken }),
+    ...(input.RegexMatchSetId !== undefined && {
+      RegexMatchSetId: input.RegexMatchSetId
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteRegexPatternSetRequest = (
   input: DeleteRegexPatternSetRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ChangeToken !== undefined) {
-    bodyParams["ChangeToken"] = input.ChangeToken;
-  }
-  if (input.RegexPatternSetId !== undefined) {
-    bodyParams["RegexPatternSetId"] = input.RegexPatternSetId;
-  }
-  return bodyParams;
+  return {
+    ...(input.ChangeToken !== undefined && { ChangeToken: input.ChangeToken }),
+    ...(input.RegexPatternSetId !== undefined && {
+      RegexPatternSetId: input.RegexPatternSetId
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteRuleGroupRequest = (
   input: DeleteRuleGroupRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ChangeToken !== undefined) {
-    bodyParams["ChangeToken"] = input.ChangeToken;
-  }
-  if (input.RuleGroupId !== undefined) {
-    bodyParams["RuleGroupId"] = input.RuleGroupId;
-  }
-  return bodyParams;
+  return {
+    ...(input.ChangeToken !== undefined && { ChangeToken: input.ChangeToken }),
+    ...(input.RuleGroupId !== undefined && { RuleGroupId: input.RuleGroupId })
+  };
 };
 
 const serializeAws_json1_1DeleteRuleRequest = (
   input: DeleteRuleRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ChangeToken !== undefined) {
-    bodyParams["ChangeToken"] = input.ChangeToken;
-  }
-  if (input.RuleId !== undefined) {
-    bodyParams["RuleId"] = input.RuleId;
-  }
-  return bodyParams;
+  return {
+    ...(input.ChangeToken !== undefined && { ChangeToken: input.ChangeToken }),
+    ...(input.RuleId !== undefined && { RuleId: input.RuleId })
+  };
 };
 
 const serializeAws_json1_1DeleteSizeConstraintSetRequest = (
   input: DeleteSizeConstraintSetRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ChangeToken !== undefined) {
-    bodyParams["ChangeToken"] = input.ChangeToken;
-  }
-  if (input.SizeConstraintSetId !== undefined) {
-    bodyParams["SizeConstraintSetId"] = input.SizeConstraintSetId;
-  }
-  return bodyParams;
+  return {
+    ...(input.ChangeToken !== undefined && { ChangeToken: input.ChangeToken }),
+    ...(input.SizeConstraintSetId !== undefined && {
+      SizeConstraintSetId: input.SizeConstraintSetId
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteSqlInjectionMatchSetRequest = (
   input: DeleteSqlInjectionMatchSetRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ChangeToken !== undefined) {
-    bodyParams["ChangeToken"] = input.ChangeToken;
-  }
-  if (input.SqlInjectionMatchSetId !== undefined) {
-    bodyParams["SqlInjectionMatchSetId"] = input.SqlInjectionMatchSetId;
-  }
-  return bodyParams;
+  return {
+    ...(input.ChangeToken !== undefined && { ChangeToken: input.ChangeToken }),
+    ...(input.SqlInjectionMatchSetId !== undefined && {
+      SqlInjectionMatchSetId: input.SqlInjectionMatchSetId
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteWebACLRequest = (
   input: DeleteWebACLRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ChangeToken !== undefined) {
-    bodyParams["ChangeToken"] = input.ChangeToken;
-  }
-  if (input.WebACLId !== undefined) {
-    bodyParams["WebACLId"] = input.WebACLId;
-  }
-  return bodyParams;
+  return {
+    ...(input.ChangeToken !== undefined && { ChangeToken: input.ChangeToken }),
+    ...(input.WebACLId !== undefined && { WebACLId: input.WebACLId })
+  };
 };
 
 const serializeAws_json1_1DeleteXssMatchSetRequest = (
   input: DeleteXssMatchSetRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ChangeToken !== undefined) {
-    bodyParams["ChangeToken"] = input.ChangeToken;
-  }
-  if (input.XssMatchSetId !== undefined) {
-    bodyParams["XssMatchSetId"] = input.XssMatchSetId;
-  }
-  return bodyParams;
+  return {
+    ...(input.ChangeToken !== undefined && { ChangeToken: input.ChangeToken }),
+    ...(input.XssMatchSetId !== undefined && {
+      XssMatchSetId: input.XssMatchSetId
+    })
+  };
 };
 
 const serializeAws_json1_1ExcludedRule = (
   input: ExcludedRule,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.RuleId !== undefined) {
-    bodyParams["RuleId"] = input.RuleId;
-  }
-  return bodyParams;
+  return {
+    ...(input.RuleId !== undefined && { RuleId: input.RuleId })
+  };
 };
 
 const serializeAws_json1_1ExcludedRules = (
@@ -10998,45 +10877,35 @@ const serializeAws_json1_1FieldToMatch = (
   input: FieldToMatch,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Data !== undefined) {
-    bodyParams["Data"] = input.Data;
-  }
-  if (input.Type !== undefined) {
-    bodyParams["Type"] = input.Type;
-  }
-  return bodyParams;
+  return {
+    ...(input.Data !== undefined && { Data: input.Data }),
+    ...(input.Type !== undefined && { Type: input.Type })
+  };
 };
 
 const serializeAws_json1_1GeoMatchConstraint = (
   input: GeoMatchConstraint,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Type !== undefined) {
-    bodyParams["Type"] = input.Type;
-  }
-  if (input.Value !== undefined) {
-    bodyParams["Value"] = input.Value;
-  }
-  return bodyParams;
+  return {
+    ...(input.Type !== undefined && { Type: input.Type }),
+    ...(input.Value !== undefined && { Value: input.Value })
+  };
 };
 
 const serializeAws_json1_1GeoMatchSetUpdate = (
   input: GeoMatchSetUpdate,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Action !== undefined) {
-    bodyParams["Action"] = input.Action;
-  }
-  if (input.GeoMatchConstraint !== undefined) {
-    bodyParams["GeoMatchConstraint"] = serializeAws_json1_1GeoMatchConstraint(
-      input.GeoMatchConstraint,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Action !== undefined && { Action: input.Action }),
+    ...(input.GeoMatchConstraint !== undefined && {
+      GeoMatchConstraint: serializeAws_json1_1GeoMatchConstraint(
+        input.GeoMatchConstraint,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1GeoMatchSetUpdates = (
@@ -11052,241 +10921,205 @@ const serializeAws_json1_1GetByteMatchSetRequest = (
   input: GetByteMatchSetRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ByteMatchSetId !== undefined) {
-    bodyParams["ByteMatchSetId"] = input.ByteMatchSetId;
-  }
-  return bodyParams;
+  return {
+    ...(input.ByteMatchSetId !== undefined && {
+      ByteMatchSetId: input.ByteMatchSetId
+    })
+  };
 };
 
 const serializeAws_json1_1GetChangeTokenRequest = (
   input: GetChangeTokenRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  return bodyParams;
+  return {};
 };
 
 const serializeAws_json1_1GetChangeTokenStatusRequest = (
   input: GetChangeTokenStatusRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ChangeToken !== undefined) {
-    bodyParams["ChangeToken"] = input.ChangeToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.ChangeToken !== undefined && { ChangeToken: input.ChangeToken })
+  };
 };
 
 const serializeAws_json1_1GetGeoMatchSetRequest = (
   input: GetGeoMatchSetRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.GeoMatchSetId !== undefined) {
-    bodyParams["GeoMatchSetId"] = input.GeoMatchSetId;
-  }
-  return bodyParams;
+  return {
+    ...(input.GeoMatchSetId !== undefined && {
+      GeoMatchSetId: input.GeoMatchSetId
+    })
+  };
 };
 
 const serializeAws_json1_1GetIPSetRequest = (
   input: GetIPSetRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.IPSetId !== undefined) {
-    bodyParams["IPSetId"] = input.IPSetId;
-  }
-  return bodyParams;
+  return {
+    ...(input.IPSetId !== undefined && { IPSetId: input.IPSetId })
+  };
 };
 
 const serializeAws_json1_1GetLoggingConfigurationRequest = (
   input: GetLoggingConfigurationRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceArn !== undefined) {
-    bodyParams["ResourceArn"] = input.ResourceArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceArn !== undefined && { ResourceArn: input.ResourceArn })
+  };
 };
 
 const serializeAws_json1_1GetPermissionPolicyRequest = (
   input: GetPermissionPolicyRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceArn !== undefined) {
-    bodyParams["ResourceArn"] = input.ResourceArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceArn !== undefined && { ResourceArn: input.ResourceArn })
+  };
 };
 
 const serializeAws_json1_1GetRateBasedRuleManagedKeysRequest = (
   input: GetRateBasedRuleManagedKeysRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.NextMarker !== undefined) {
-    bodyParams["NextMarker"] = input.NextMarker;
-  }
-  if (input.RuleId !== undefined) {
-    bodyParams["RuleId"] = input.RuleId;
-  }
-  return bodyParams;
+  return {
+    ...(input.NextMarker !== undefined && { NextMarker: input.NextMarker }),
+    ...(input.RuleId !== undefined && { RuleId: input.RuleId })
+  };
 };
 
 const serializeAws_json1_1GetRateBasedRuleRequest = (
   input: GetRateBasedRuleRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.RuleId !== undefined) {
-    bodyParams["RuleId"] = input.RuleId;
-  }
-  return bodyParams;
+  return {
+    ...(input.RuleId !== undefined && { RuleId: input.RuleId })
+  };
 };
 
 const serializeAws_json1_1GetRegexMatchSetRequest = (
   input: GetRegexMatchSetRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.RegexMatchSetId !== undefined) {
-    bodyParams["RegexMatchSetId"] = input.RegexMatchSetId;
-  }
-  return bodyParams;
+  return {
+    ...(input.RegexMatchSetId !== undefined && {
+      RegexMatchSetId: input.RegexMatchSetId
+    })
+  };
 };
 
 const serializeAws_json1_1GetRegexPatternSetRequest = (
   input: GetRegexPatternSetRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.RegexPatternSetId !== undefined) {
-    bodyParams["RegexPatternSetId"] = input.RegexPatternSetId;
-  }
-  return bodyParams;
+  return {
+    ...(input.RegexPatternSetId !== undefined && {
+      RegexPatternSetId: input.RegexPatternSetId
+    })
+  };
 };
 
 const serializeAws_json1_1GetRuleGroupRequest = (
   input: GetRuleGroupRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.RuleGroupId !== undefined) {
-    bodyParams["RuleGroupId"] = input.RuleGroupId;
-  }
-  return bodyParams;
+  return {
+    ...(input.RuleGroupId !== undefined && { RuleGroupId: input.RuleGroupId })
+  };
 };
 
 const serializeAws_json1_1GetRuleRequest = (
   input: GetRuleRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.RuleId !== undefined) {
-    bodyParams["RuleId"] = input.RuleId;
-  }
-  return bodyParams;
+  return {
+    ...(input.RuleId !== undefined && { RuleId: input.RuleId })
+  };
 };
 
 const serializeAws_json1_1GetSampledRequestsRequest = (
   input: GetSampledRequestsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxItems !== undefined) {
-    bodyParams["MaxItems"] = input.MaxItems;
-  }
-  if (input.RuleId !== undefined) {
-    bodyParams["RuleId"] = input.RuleId;
-  }
-  if (input.TimeWindow !== undefined) {
-    bodyParams["TimeWindow"] = serializeAws_json1_1TimeWindow(
-      input.TimeWindow,
-      context
-    );
-  }
-  if (input.WebAclId !== undefined) {
-    bodyParams["WebAclId"] = input.WebAclId;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxItems !== undefined && { MaxItems: input.MaxItems }),
+    ...(input.RuleId !== undefined && { RuleId: input.RuleId }),
+    ...(input.TimeWindow !== undefined && {
+      TimeWindow: serializeAws_json1_1TimeWindow(input.TimeWindow, context)
+    }),
+    ...(input.WebAclId !== undefined && { WebAclId: input.WebAclId })
+  };
 };
 
 const serializeAws_json1_1GetSizeConstraintSetRequest = (
   input: GetSizeConstraintSetRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.SizeConstraintSetId !== undefined) {
-    bodyParams["SizeConstraintSetId"] = input.SizeConstraintSetId;
-  }
-  return bodyParams;
+  return {
+    ...(input.SizeConstraintSetId !== undefined && {
+      SizeConstraintSetId: input.SizeConstraintSetId
+    })
+  };
 };
 
 const serializeAws_json1_1GetSqlInjectionMatchSetRequest = (
   input: GetSqlInjectionMatchSetRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.SqlInjectionMatchSetId !== undefined) {
-    bodyParams["SqlInjectionMatchSetId"] = input.SqlInjectionMatchSetId;
-  }
-  return bodyParams;
+  return {
+    ...(input.SqlInjectionMatchSetId !== undefined && {
+      SqlInjectionMatchSetId: input.SqlInjectionMatchSetId
+    })
+  };
 };
 
 const serializeAws_json1_1GetWebACLRequest = (
   input: GetWebACLRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.WebACLId !== undefined) {
-    bodyParams["WebACLId"] = input.WebACLId;
-  }
-  return bodyParams;
+  return {
+    ...(input.WebACLId !== undefined && { WebACLId: input.WebACLId })
+  };
 };
 
 const serializeAws_json1_1GetXssMatchSetRequest = (
   input: GetXssMatchSetRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.XssMatchSetId !== undefined) {
-    bodyParams["XssMatchSetId"] = input.XssMatchSetId;
-  }
-  return bodyParams;
+  return {
+    ...(input.XssMatchSetId !== undefined && {
+      XssMatchSetId: input.XssMatchSetId
+    })
+  };
 };
 
 const serializeAws_json1_1IPSetDescriptor = (
   input: IPSetDescriptor,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Type !== undefined) {
-    bodyParams["Type"] = input.Type;
-  }
-  if (input.Value !== undefined) {
-    bodyParams["Value"] = input.Value;
-  }
-  return bodyParams;
+  return {
+    ...(input.Type !== undefined && { Type: input.Type }),
+    ...(input.Value !== undefined && { Value: input.Value })
+  };
 };
 
 const serializeAws_json1_1IPSetUpdate = (
   input: IPSetUpdate,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Action !== undefined) {
-    bodyParams["Action"] = input.Action;
-  }
-  if (input.IPSetDescriptor !== undefined) {
-    bodyParams["IPSetDescriptor"] = serializeAws_json1_1IPSetDescriptor(
-      input.IPSetDescriptor,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Action !== undefined && { Action: input.Action }),
+    ...(input.IPSetDescriptor !== undefined && {
+      IPSetDescriptor: serializeAws_json1_1IPSetDescriptor(
+        input.IPSetDescriptor,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1IPSetUpdates = (
@@ -11300,230 +11133,162 @@ const serializeAws_json1_1ListActivatedRulesInRuleGroupRequest = (
   input: ListActivatedRulesInRuleGroupRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.NextMarker !== undefined) {
-    bodyParams["NextMarker"] = input.NextMarker;
-  }
-  if (input.RuleGroupId !== undefined) {
-    bodyParams["RuleGroupId"] = input.RuleGroupId;
-  }
-  return bodyParams;
+  return {
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.NextMarker !== undefined && { NextMarker: input.NextMarker }),
+    ...(input.RuleGroupId !== undefined && { RuleGroupId: input.RuleGroupId })
+  };
 };
 
 const serializeAws_json1_1ListByteMatchSetsRequest = (
   input: ListByteMatchSetsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.NextMarker !== undefined) {
-    bodyParams["NextMarker"] = input.NextMarker;
-  }
-  return bodyParams;
+  return {
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.NextMarker !== undefined && { NextMarker: input.NextMarker })
+  };
 };
 
 const serializeAws_json1_1ListGeoMatchSetsRequest = (
   input: ListGeoMatchSetsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.NextMarker !== undefined) {
-    bodyParams["NextMarker"] = input.NextMarker;
-  }
-  return bodyParams;
+  return {
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.NextMarker !== undefined && { NextMarker: input.NextMarker })
+  };
 };
 
 const serializeAws_json1_1ListIPSetsRequest = (
   input: ListIPSetsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.NextMarker !== undefined) {
-    bodyParams["NextMarker"] = input.NextMarker;
-  }
-  return bodyParams;
+  return {
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.NextMarker !== undefined && { NextMarker: input.NextMarker })
+  };
 };
 
 const serializeAws_json1_1ListLoggingConfigurationsRequest = (
   input: ListLoggingConfigurationsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.NextMarker !== undefined) {
-    bodyParams["NextMarker"] = input.NextMarker;
-  }
-  return bodyParams;
+  return {
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.NextMarker !== undefined && { NextMarker: input.NextMarker })
+  };
 };
 
 const serializeAws_json1_1ListRateBasedRulesRequest = (
   input: ListRateBasedRulesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.NextMarker !== undefined) {
-    bodyParams["NextMarker"] = input.NextMarker;
-  }
-  return bodyParams;
+  return {
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.NextMarker !== undefined && { NextMarker: input.NextMarker })
+  };
 };
 
 const serializeAws_json1_1ListRegexMatchSetsRequest = (
   input: ListRegexMatchSetsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.NextMarker !== undefined) {
-    bodyParams["NextMarker"] = input.NextMarker;
-  }
-  return bodyParams;
+  return {
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.NextMarker !== undefined && { NextMarker: input.NextMarker })
+  };
 };
 
 const serializeAws_json1_1ListRegexPatternSetsRequest = (
   input: ListRegexPatternSetsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.NextMarker !== undefined) {
-    bodyParams["NextMarker"] = input.NextMarker;
-  }
-  return bodyParams;
+  return {
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.NextMarker !== undefined && { NextMarker: input.NextMarker })
+  };
 };
 
 const serializeAws_json1_1ListRuleGroupsRequest = (
   input: ListRuleGroupsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.NextMarker !== undefined) {
-    bodyParams["NextMarker"] = input.NextMarker;
-  }
-  return bodyParams;
+  return {
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.NextMarker !== undefined && { NextMarker: input.NextMarker })
+  };
 };
 
 const serializeAws_json1_1ListRulesRequest = (
   input: ListRulesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.NextMarker !== undefined) {
-    bodyParams["NextMarker"] = input.NextMarker;
-  }
-  return bodyParams;
+  return {
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.NextMarker !== undefined && { NextMarker: input.NextMarker })
+  };
 };
 
 const serializeAws_json1_1ListSizeConstraintSetsRequest = (
   input: ListSizeConstraintSetsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.NextMarker !== undefined) {
-    bodyParams["NextMarker"] = input.NextMarker;
-  }
-  return bodyParams;
+  return {
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.NextMarker !== undefined && { NextMarker: input.NextMarker })
+  };
 };
 
 const serializeAws_json1_1ListSqlInjectionMatchSetsRequest = (
   input: ListSqlInjectionMatchSetsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.NextMarker !== undefined) {
-    bodyParams["NextMarker"] = input.NextMarker;
-  }
-  return bodyParams;
+  return {
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.NextMarker !== undefined && { NextMarker: input.NextMarker })
+  };
 };
 
 const serializeAws_json1_1ListSubscribedRuleGroupsRequest = (
   input: ListSubscribedRuleGroupsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.NextMarker !== undefined) {
-    bodyParams["NextMarker"] = input.NextMarker;
-  }
-  return bodyParams;
+  return {
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.NextMarker !== undefined && { NextMarker: input.NextMarker })
+  };
 };
 
 const serializeAws_json1_1ListTagsForResourceRequest = (
   input: ListTagsForResourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.NextMarker !== undefined) {
-    bodyParams["NextMarker"] = input.NextMarker;
-  }
-  if (input.ResourceARN !== undefined) {
-    bodyParams["ResourceARN"] = input.ResourceARN;
-  }
-  return bodyParams;
+  return {
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.NextMarker !== undefined && { NextMarker: input.NextMarker }),
+    ...(input.ResourceARN !== undefined && { ResourceARN: input.ResourceARN })
+  };
 };
 
 const serializeAws_json1_1ListWebACLsRequest = (
   input: ListWebACLsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.NextMarker !== undefined) {
-    bodyParams["NextMarker"] = input.NextMarker;
-  }
-  return bodyParams;
+  return {
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.NextMarker !== undefined && { NextMarker: input.NextMarker })
+  };
 };
 
 const serializeAws_json1_1ListXssMatchSetsRequest = (
   input: ListXssMatchSetsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.NextMarker !== undefined) {
-    bodyParams["NextMarker"] = input.NextMarker;
-  }
-  return bodyParams;
+  return {
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.NextMarker !== undefined && { NextMarker: input.NextMarker })
+  };
 };
 
 const serializeAws_json1_1LogDestinationConfigs = (
@@ -11537,72 +11302,56 @@ const serializeAws_json1_1LoggingConfiguration = (
   input: LoggingConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.LogDestinationConfigs !== undefined) {
-    bodyParams[
-      "LogDestinationConfigs"
-    ] = serializeAws_json1_1LogDestinationConfigs(
-      input.LogDestinationConfigs,
-      context
-    );
-  }
-  if (input.RedactedFields !== undefined) {
-    bodyParams["RedactedFields"] = serializeAws_json1_1RedactedFields(
-      input.RedactedFields,
-      context
-    );
-  }
-  if (input.ResourceArn !== undefined) {
-    bodyParams["ResourceArn"] = input.ResourceArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.LogDestinationConfigs !== undefined && {
+      LogDestinationConfigs: serializeAws_json1_1LogDestinationConfigs(
+        input.LogDestinationConfigs,
+        context
+      )
+    }),
+    ...(input.RedactedFields !== undefined && {
+      RedactedFields: serializeAws_json1_1RedactedFields(
+        input.RedactedFields,
+        context
+      )
+    }),
+    ...(input.ResourceArn !== undefined && { ResourceArn: input.ResourceArn })
+  };
 };
 
 const serializeAws_json1_1Predicate = (
   input: Predicate,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DataId !== undefined) {
-    bodyParams["DataId"] = input.DataId;
-  }
-  if (input.Negated !== undefined) {
-    bodyParams["Negated"] = input.Negated;
-  }
-  if (input.Type !== undefined) {
-    bodyParams["Type"] = input.Type;
-  }
-  return bodyParams;
+  return {
+    ...(input.DataId !== undefined && { DataId: input.DataId }),
+    ...(input.Negated !== undefined && { Negated: input.Negated }),
+    ...(input.Type !== undefined && { Type: input.Type })
+  };
 };
 
 const serializeAws_json1_1PutLoggingConfigurationRequest = (
   input: PutLoggingConfigurationRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.LoggingConfiguration !== undefined) {
-    bodyParams[
-      "LoggingConfiguration"
-    ] = serializeAws_json1_1LoggingConfiguration(
-      input.LoggingConfiguration,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.LoggingConfiguration !== undefined && {
+      LoggingConfiguration: serializeAws_json1_1LoggingConfiguration(
+        input.LoggingConfiguration,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1PutPermissionPolicyRequest = (
   input: PutPermissionPolicyRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Policy !== undefined) {
-    bodyParams["Policy"] = input.Policy;
-  }
-  if (input.ResourceArn !== undefined) {
-    bodyParams["ResourceArn"] = input.ResourceArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.Policy !== undefined && { Policy: input.Policy }),
+    ...(input.ResourceArn !== undefined && { ResourceArn: input.ResourceArn })
+  };
 };
 
 const serializeAws_json1_1RedactedFields = (
@@ -11616,17 +11365,15 @@ const serializeAws_json1_1RegexMatchSetUpdate = (
   input: RegexMatchSetUpdate,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Action !== undefined) {
-    bodyParams["Action"] = input.Action;
-  }
-  if (input.RegexMatchTuple !== undefined) {
-    bodyParams["RegexMatchTuple"] = serializeAws_json1_1RegexMatchTuple(
-      input.RegexMatchTuple,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Action !== undefined && { Action: input.Action }),
+    ...(input.RegexMatchTuple !== undefined && {
+      RegexMatchTuple: serializeAws_json1_1RegexMatchTuple(
+        input.RegexMatchTuple,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1RegexMatchSetUpdates = (
@@ -11642,34 +11389,32 @@ const serializeAws_json1_1RegexMatchTuple = (
   input: RegexMatchTuple,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.FieldToMatch !== undefined) {
-    bodyParams["FieldToMatch"] = serializeAws_json1_1FieldToMatch(
-      input.FieldToMatch,
-      context
-    );
-  }
-  if (input.RegexPatternSetId !== undefined) {
-    bodyParams["RegexPatternSetId"] = input.RegexPatternSetId;
-  }
-  if (input.TextTransformation !== undefined) {
-    bodyParams["TextTransformation"] = input.TextTransformation;
-  }
-  return bodyParams;
+  return {
+    ...(input.FieldToMatch !== undefined && {
+      FieldToMatch: serializeAws_json1_1FieldToMatch(
+        input.FieldToMatch,
+        context
+      )
+    }),
+    ...(input.RegexPatternSetId !== undefined && {
+      RegexPatternSetId: input.RegexPatternSetId
+    }),
+    ...(input.TextTransformation !== undefined && {
+      TextTransformation: input.TextTransformation
+    })
+  };
 };
 
 const serializeAws_json1_1RegexPatternSetUpdate = (
   input: RegexPatternSetUpdate,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Action !== undefined) {
-    bodyParams["Action"] = input.Action;
-  }
-  if (input.RegexPatternString !== undefined) {
-    bodyParams["RegexPatternString"] = input.RegexPatternString;
-  }
-  return bodyParams;
+  return {
+    ...(input.Action !== undefined && { Action: input.Action }),
+    ...(input.RegexPatternString !== undefined && {
+      RegexPatternString: input.RegexPatternString
+    })
+  };
 };
 
 const serializeAws_json1_1RegexPatternSetUpdates = (
@@ -11685,17 +11430,15 @@ const serializeAws_json1_1RuleGroupUpdate = (
   input: RuleGroupUpdate,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Action !== undefined) {
-    bodyParams["Action"] = input.Action;
-  }
-  if (input.ActivatedRule !== undefined) {
-    bodyParams["ActivatedRule"] = serializeAws_json1_1ActivatedRule(
-      input.ActivatedRule,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Action !== undefined && { Action: input.Action }),
+    ...(input.ActivatedRule !== undefined && {
+      ActivatedRule: serializeAws_json1_1ActivatedRule(
+        input.ActivatedRule,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1RuleGroupUpdates = (
@@ -11711,17 +11454,12 @@ const serializeAws_json1_1RuleUpdate = (
   input: RuleUpdate,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Action !== undefined) {
-    bodyParams["Action"] = input.Action;
-  }
-  if (input.Predicate !== undefined) {
-    bodyParams["Predicate"] = serializeAws_json1_1Predicate(
-      input.Predicate,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Action !== undefined && { Action: input.Action }),
+    ...(input.Predicate !== undefined && {
+      Predicate: serializeAws_json1_1Predicate(input.Predicate, context)
+    })
+  };
 };
 
 const serializeAws_json1_1RuleUpdates = (
@@ -11735,40 +11473,36 @@ const serializeAws_json1_1SizeConstraint = (
   input: SizeConstraint,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ComparisonOperator !== undefined) {
-    bodyParams["ComparisonOperator"] = input.ComparisonOperator;
-  }
-  if (input.FieldToMatch !== undefined) {
-    bodyParams["FieldToMatch"] = serializeAws_json1_1FieldToMatch(
-      input.FieldToMatch,
-      context
-    );
-  }
-  if (input.Size !== undefined) {
-    bodyParams["Size"] = input.Size;
-  }
-  if (input.TextTransformation !== undefined) {
-    bodyParams["TextTransformation"] = input.TextTransformation;
-  }
-  return bodyParams;
+  return {
+    ...(input.ComparisonOperator !== undefined && {
+      ComparisonOperator: input.ComparisonOperator
+    }),
+    ...(input.FieldToMatch !== undefined && {
+      FieldToMatch: serializeAws_json1_1FieldToMatch(
+        input.FieldToMatch,
+        context
+      )
+    }),
+    ...(input.Size !== undefined && { Size: input.Size }),
+    ...(input.TextTransformation !== undefined && {
+      TextTransformation: input.TextTransformation
+    })
+  };
 };
 
 const serializeAws_json1_1SizeConstraintSetUpdate = (
   input: SizeConstraintSetUpdate,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Action !== undefined) {
-    bodyParams["Action"] = input.Action;
-  }
-  if (input.SizeConstraint !== undefined) {
-    bodyParams["SizeConstraint"] = serializeAws_json1_1SizeConstraint(
-      input.SizeConstraint,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Action !== undefined && { Action: input.Action }),
+    ...(input.SizeConstraint !== undefined && {
+      SizeConstraint: serializeAws_json1_1SizeConstraint(
+        input.SizeConstraint,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1SizeConstraintSetUpdates = (
@@ -11784,19 +11518,15 @@ const serializeAws_json1_1SqlInjectionMatchSetUpdate = (
   input: SqlInjectionMatchSetUpdate,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Action !== undefined) {
-    bodyParams["Action"] = input.Action;
-  }
-  if (input.SqlInjectionMatchTuple !== undefined) {
-    bodyParams[
-      "SqlInjectionMatchTuple"
-    ] = serializeAws_json1_1SqlInjectionMatchTuple(
-      input.SqlInjectionMatchTuple,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Action !== undefined && { Action: input.Action }),
+    ...(input.SqlInjectionMatchTuple !== undefined && {
+      SqlInjectionMatchTuple: serializeAws_json1_1SqlInjectionMatchTuple(
+        input.SqlInjectionMatchTuple,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1SqlInjectionMatchSetUpdates = (
@@ -11812,28 +11542,24 @@ const serializeAws_json1_1SqlInjectionMatchTuple = (
   input: SqlInjectionMatchTuple,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.FieldToMatch !== undefined) {
-    bodyParams["FieldToMatch"] = serializeAws_json1_1FieldToMatch(
-      input.FieldToMatch,
-      context
-    );
-  }
-  if (input.TextTransformation !== undefined) {
-    bodyParams["TextTransformation"] = input.TextTransformation;
-  }
-  return bodyParams;
+  return {
+    ...(input.FieldToMatch !== undefined && {
+      FieldToMatch: serializeAws_json1_1FieldToMatch(
+        input.FieldToMatch,
+        context
+      )
+    }),
+    ...(input.TextTransformation !== undefined && {
+      TextTransformation: input.TextTransformation
+    })
+  };
 };
 
 const serializeAws_json1_1Tag = (input: Tag, context: __SerdeContext): any => {
-  const bodyParams: any = {};
-  if (input.Key !== undefined) {
-    bodyParams["Key"] = input.Key;
-  }
-  if (input.Value !== undefined) {
-    bodyParams["Value"] = input.Value;
-  }
-  return bodyParams;
+  return {
+    ...(input.Key !== undefined && { Key: input.Key }),
+    ...(input.Value !== undefined && { Value: input.Value })
+  };
 };
 
 const serializeAws_json1_1TagKeyList = (
@@ -11854,333 +11580,254 @@ const serializeAws_json1_1TagResourceRequest = (
   input: TagResourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceARN !== undefined) {
-    bodyParams["ResourceARN"] = input.ResourceARN;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagList(input.Tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceARN !== undefined && { ResourceARN: input.ResourceARN }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagList(input.Tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1TimeWindow = (
   input: TimeWindow,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EndTime !== undefined) {
-    bodyParams["EndTime"] = Math.round(input.EndTime.getTime() / 1000);
-  }
-  if (input.StartTime !== undefined) {
-    bodyParams["StartTime"] = Math.round(input.StartTime.getTime() / 1000);
-  }
-  return bodyParams;
+  return {
+    ...(input.EndTime !== undefined && {
+      EndTime: Math.round(input.EndTime.getTime() / 1000)
+    }),
+    ...(input.StartTime !== undefined && {
+      StartTime: Math.round(input.StartTime.getTime() / 1000)
+    })
+  };
 };
 
 const serializeAws_json1_1UntagResourceRequest = (
   input: UntagResourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceARN !== undefined) {
-    bodyParams["ResourceARN"] = input.ResourceARN;
-  }
-  if (input.TagKeys !== undefined) {
-    bodyParams["TagKeys"] = serializeAws_json1_1TagKeyList(
-      input.TagKeys,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceARN !== undefined && { ResourceARN: input.ResourceARN }),
+    ...(input.TagKeys !== undefined && {
+      TagKeys: serializeAws_json1_1TagKeyList(input.TagKeys, context)
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateByteMatchSetRequest = (
   input: UpdateByteMatchSetRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ByteMatchSetId !== undefined) {
-    bodyParams["ByteMatchSetId"] = input.ByteMatchSetId;
-  }
-  if (input.ChangeToken !== undefined) {
-    bodyParams["ChangeToken"] = input.ChangeToken;
-  }
-  if (input.Updates !== undefined) {
-    bodyParams["Updates"] = serializeAws_json1_1ByteMatchSetUpdates(
-      input.Updates,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ByteMatchSetId !== undefined && {
+      ByteMatchSetId: input.ByteMatchSetId
+    }),
+    ...(input.ChangeToken !== undefined && { ChangeToken: input.ChangeToken }),
+    ...(input.Updates !== undefined && {
+      Updates: serializeAws_json1_1ByteMatchSetUpdates(input.Updates, context)
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateGeoMatchSetRequest = (
   input: UpdateGeoMatchSetRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ChangeToken !== undefined) {
-    bodyParams["ChangeToken"] = input.ChangeToken;
-  }
-  if (input.GeoMatchSetId !== undefined) {
-    bodyParams["GeoMatchSetId"] = input.GeoMatchSetId;
-  }
-  if (input.Updates !== undefined) {
-    bodyParams["Updates"] = serializeAws_json1_1GeoMatchSetUpdates(
-      input.Updates,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ChangeToken !== undefined && { ChangeToken: input.ChangeToken }),
+    ...(input.GeoMatchSetId !== undefined && {
+      GeoMatchSetId: input.GeoMatchSetId
+    }),
+    ...(input.Updates !== undefined && {
+      Updates: serializeAws_json1_1GeoMatchSetUpdates(input.Updates, context)
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateIPSetRequest = (
   input: UpdateIPSetRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ChangeToken !== undefined) {
-    bodyParams["ChangeToken"] = input.ChangeToken;
-  }
-  if (input.IPSetId !== undefined) {
-    bodyParams["IPSetId"] = input.IPSetId;
-  }
-  if (input.Updates !== undefined) {
-    bodyParams["Updates"] = serializeAws_json1_1IPSetUpdates(
-      input.Updates,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ChangeToken !== undefined && { ChangeToken: input.ChangeToken }),
+    ...(input.IPSetId !== undefined && { IPSetId: input.IPSetId }),
+    ...(input.Updates !== undefined && {
+      Updates: serializeAws_json1_1IPSetUpdates(input.Updates, context)
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateRateBasedRuleRequest = (
   input: UpdateRateBasedRuleRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ChangeToken !== undefined) {
-    bodyParams["ChangeToken"] = input.ChangeToken;
-  }
-  if (input.RateLimit !== undefined) {
-    bodyParams["RateLimit"] = input.RateLimit;
-  }
-  if (input.RuleId !== undefined) {
-    bodyParams["RuleId"] = input.RuleId;
-  }
-  if (input.Updates !== undefined) {
-    bodyParams["Updates"] = serializeAws_json1_1RuleUpdates(
-      input.Updates,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ChangeToken !== undefined && { ChangeToken: input.ChangeToken }),
+    ...(input.RateLimit !== undefined && { RateLimit: input.RateLimit }),
+    ...(input.RuleId !== undefined && { RuleId: input.RuleId }),
+    ...(input.Updates !== undefined && {
+      Updates: serializeAws_json1_1RuleUpdates(input.Updates, context)
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateRegexMatchSetRequest = (
   input: UpdateRegexMatchSetRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ChangeToken !== undefined) {
-    bodyParams["ChangeToken"] = input.ChangeToken;
-  }
-  if (input.RegexMatchSetId !== undefined) {
-    bodyParams["RegexMatchSetId"] = input.RegexMatchSetId;
-  }
-  if (input.Updates !== undefined) {
-    bodyParams["Updates"] = serializeAws_json1_1RegexMatchSetUpdates(
-      input.Updates,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ChangeToken !== undefined && { ChangeToken: input.ChangeToken }),
+    ...(input.RegexMatchSetId !== undefined && {
+      RegexMatchSetId: input.RegexMatchSetId
+    }),
+    ...(input.Updates !== undefined && {
+      Updates: serializeAws_json1_1RegexMatchSetUpdates(input.Updates, context)
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateRegexPatternSetRequest = (
   input: UpdateRegexPatternSetRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ChangeToken !== undefined) {
-    bodyParams["ChangeToken"] = input.ChangeToken;
-  }
-  if (input.RegexPatternSetId !== undefined) {
-    bodyParams["RegexPatternSetId"] = input.RegexPatternSetId;
-  }
-  if (input.Updates !== undefined) {
-    bodyParams["Updates"] = serializeAws_json1_1RegexPatternSetUpdates(
-      input.Updates,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ChangeToken !== undefined && { ChangeToken: input.ChangeToken }),
+    ...(input.RegexPatternSetId !== undefined && {
+      RegexPatternSetId: input.RegexPatternSetId
+    }),
+    ...(input.Updates !== undefined && {
+      Updates: serializeAws_json1_1RegexPatternSetUpdates(
+        input.Updates,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateRuleGroupRequest = (
   input: UpdateRuleGroupRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ChangeToken !== undefined) {
-    bodyParams["ChangeToken"] = input.ChangeToken;
-  }
-  if (input.RuleGroupId !== undefined) {
-    bodyParams["RuleGroupId"] = input.RuleGroupId;
-  }
-  if (input.Updates !== undefined) {
-    bodyParams["Updates"] = serializeAws_json1_1RuleGroupUpdates(
-      input.Updates,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ChangeToken !== undefined && { ChangeToken: input.ChangeToken }),
+    ...(input.RuleGroupId !== undefined && { RuleGroupId: input.RuleGroupId }),
+    ...(input.Updates !== undefined && {
+      Updates: serializeAws_json1_1RuleGroupUpdates(input.Updates, context)
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateRuleRequest = (
   input: UpdateRuleRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ChangeToken !== undefined) {
-    bodyParams["ChangeToken"] = input.ChangeToken;
-  }
-  if (input.RuleId !== undefined) {
-    bodyParams["RuleId"] = input.RuleId;
-  }
-  if (input.Updates !== undefined) {
-    bodyParams["Updates"] = serializeAws_json1_1RuleUpdates(
-      input.Updates,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ChangeToken !== undefined && { ChangeToken: input.ChangeToken }),
+    ...(input.RuleId !== undefined && { RuleId: input.RuleId }),
+    ...(input.Updates !== undefined && {
+      Updates: serializeAws_json1_1RuleUpdates(input.Updates, context)
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateSizeConstraintSetRequest = (
   input: UpdateSizeConstraintSetRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ChangeToken !== undefined) {
-    bodyParams["ChangeToken"] = input.ChangeToken;
-  }
-  if (input.SizeConstraintSetId !== undefined) {
-    bodyParams["SizeConstraintSetId"] = input.SizeConstraintSetId;
-  }
-  if (input.Updates !== undefined) {
-    bodyParams["Updates"] = serializeAws_json1_1SizeConstraintSetUpdates(
-      input.Updates,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ChangeToken !== undefined && { ChangeToken: input.ChangeToken }),
+    ...(input.SizeConstraintSetId !== undefined && {
+      SizeConstraintSetId: input.SizeConstraintSetId
+    }),
+    ...(input.Updates !== undefined && {
+      Updates: serializeAws_json1_1SizeConstraintSetUpdates(
+        input.Updates,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateSqlInjectionMatchSetRequest = (
   input: UpdateSqlInjectionMatchSetRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ChangeToken !== undefined) {
-    bodyParams["ChangeToken"] = input.ChangeToken;
-  }
-  if (input.SqlInjectionMatchSetId !== undefined) {
-    bodyParams["SqlInjectionMatchSetId"] = input.SqlInjectionMatchSetId;
-  }
-  if (input.Updates !== undefined) {
-    bodyParams["Updates"] = serializeAws_json1_1SqlInjectionMatchSetUpdates(
-      input.Updates,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ChangeToken !== undefined && { ChangeToken: input.ChangeToken }),
+    ...(input.SqlInjectionMatchSetId !== undefined && {
+      SqlInjectionMatchSetId: input.SqlInjectionMatchSetId
+    }),
+    ...(input.Updates !== undefined && {
+      Updates: serializeAws_json1_1SqlInjectionMatchSetUpdates(
+        input.Updates,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateWebACLRequest = (
   input: UpdateWebACLRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ChangeToken !== undefined) {
-    bodyParams["ChangeToken"] = input.ChangeToken;
-  }
-  if (input.DefaultAction !== undefined) {
-    bodyParams["DefaultAction"] = serializeAws_json1_1WafAction(
-      input.DefaultAction,
-      context
-    );
-  }
-  if (input.Updates !== undefined) {
-    bodyParams["Updates"] = serializeAws_json1_1WebACLUpdates(
-      input.Updates,
-      context
-    );
-  }
-  if (input.WebACLId !== undefined) {
-    bodyParams["WebACLId"] = input.WebACLId;
-  }
-  return bodyParams;
+  return {
+    ...(input.ChangeToken !== undefined && { ChangeToken: input.ChangeToken }),
+    ...(input.DefaultAction !== undefined && {
+      DefaultAction: serializeAws_json1_1WafAction(input.DefaultAction, context)
+    }),
+    ...(input.Updates !== undefined && {
+      Updates: serializeAws_json1_1WebACLUpdates(input.Updates, context)
+    }),
+    ...(input.WebACLId !== undefined && { WebACLId: input.WebACLId })
+  };
 };
 
 const serializeAws_json1_1UpdateXssMatchSetRequest = (
   input: UpdateXssMatchSetRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ChangeToken !== undefined) {
-    bodyParams["ChangeToken"] = input.ChangeToken;
-  }
-  if (input.Updates !== undefined) {
-    bodyParams["Updates"] = serializeAws_json1_1XssMatchSetUpdates(
-      input.Updates,
-      context
-    );
-  }
-  if (input.XssMatchSetId !== undefined) {
-    bodyParams["XssMatchSetId"] = input.XssMatchSetId;
-  }
-  return bodyParams;
+  return {
+    ...(input.ChangeToken !== undefined && { ChangeToken: input.ChangeToken }),
+    ...(input.Updates !== undefined && {
+      Updates: serializeAws_json1_1XssMatchSetUpdates(input.Updates, context)
+    }),
+    ...(input.XssMatchSetId !== undefined && {
+      XssMatchSetId: input.XssMatchSetId
+    })
+  };
 };
 
 const serializeAws_json1_1WafAction = (
   input: WafAction,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Type !== undefined) {
-    bodyParams["Type"] = input.Type;
-  }
-  return bodyParams;
+  return {
+    ...(input.Type !== undefined && { Type: input.Type })
+  };
 };
 
 const serializeAws_json1_1WafOverrideAction = (
   input: WafOverrideAction,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Type !== undefined) {
-    bodyParams["Type"] = input.Type;
-  }
-  return bodyParams;
+  return {
+    ...(input.Type !== undefined && { Type: input.Type })
+  };
 };
 
 const serializeAws_json1_1WebACLUpdate = (
   input: WebACLUpdate,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Action !== undefined) {
-    bodyParams["Action"] = input.Action;
-  }
-  if (input.ActivatedRule !== undefined) {
-    bodyParams["ActivatedRule"] = serializeAws_json1_1ActivatedRule(
-      input.ActivatedRule,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Action !== undefined && { Action: input.Action }),
+    ...(input.ActivatedRule !== undefined && {
+      ActivatedRule: serializeAws_json1_1ActivatedRule(
+        input.ActivatedRule,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1WebACLUpdates = (
@@ -12194,17 +11841,15 @@ const serializeAws_json1_1XssMatchSetUpdate = (
   input: XssMatchSetUpdate,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Action !== undefined) {
-    bodyParams["Action"] = input.Action;
-  }
-  if (input.XssMatchTuple !== undefined) {
-    bodyParams["XssMatchTuple"] = serializeAws_json1_1XssMatchTuple(
-      input.XssMatchTuple,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Action !== undefined && { Action: input.Action }),
+    ...(input.XssMatchTuple !== undefined && {
+      XssMatchTuple: serializeAws_json1_1XssMatchTuple(
+        input.XssMatchTuple,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1XssMatchSetUpdates = (
@@ -12220,17 +11865,17 @@ const serializeAws_json1_1XssMatchTuple = (
   input: XssMatchTuple,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.FieldToMatch !== undefined) {
-    bodyParams["FieldToMatch"] = serializeAws_json1_1FieldToMatch(
-      input.FieldToMatch,
-      context
-    );
-  }
-  if (input.TextTransformation !== undefined) {
-    bodyParams["TextTransformation"] = input.TextTransformation;
-  }
-  return bodyParams;
+  return {
+    ...(input.FieldToMatch !== undefined && {
+      FieldToMatch: serializeAws_json1_1FieldToMatch(
+        input.FieldToMatch,
+        context
+      )
+    }),
+    ...(input.TextTransformation !== undefined && {
+      TextTransformation: input.TextTransformation
+    })
+  };
 };
 
 const deserializeAws_json1_1AssociateWebACLResponse = (
diff --git a/clients/client-waf/protocols/Aws_json1_1.ts b/clients/client-waf/protocols/Aws_json1_1.ts
index 718b7c452cbc..c006ad0868c5 100644
--- a/clients/client-waf/protocols/Aws_json1_1.ts
+++ b/clients/client-waf/protocols/Aws_json1_1.ts
@@ -9946,49 +9946,41 @@ const serializeAws_json1_1ActivatedRule = (
   input: ActivatedRule,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Action !== undefined) {
-    bodyParams["Action"] = serializeAws_json1_1WafAction(input.Action, context);
-  }
-  if (input.ExcludedRules !== undefined) {
-    bodyParams["ExcludedRules"] = serializeAws_json1_1ExcludedRules(
-      input.ExcludedRules,
-      context
-    );
-  }
-  if (input.OverrideAction !== undefined) {
-    bodyParams["OverrideAction"] = serializeAws_json1_1WafOverrideAction(
-      input.OverrideAction,
-      context
-    );
-  }
-  if (input.Priority !== undefined) {
-    bodyParams["Priority"] = input.Priority;
-  }
-  if (input.RuleId !== undefined) {
-    bodyParams["RuleId"] = input.RuleId;
-  }
-  if (input.Type !== undefined) {
-    bodyParams["Type"] = input.Type;
-  }
-  return bodyParams;
+  return {
+    ...(input.Action !== undefined && {
+      Action: serializeAws_json1_1WafAction(input.Action, context)
+    }),
+    ...(input.ExcludedRules !== undefined && {
+      ExcludedRules: serializeAws_json1_1ExcludedRules(
+        input.ExcludedRules,
+        context
+      )
+    }),
+    ...(input.OverrideAction !== undefined && {
+      OverrideAction: serializeAws_json1_1WafOverrideAction(
+        input.OverrideAction,
+        context
+      )
+    }),
+    ...(input.Priority !== undefined && { Priority: input.Priority }),
+    ...(input.RuleId !== undefined && { RuleId: input.RuleId }),
+    ...(input.Type !== undefined && { Type: input.Type })
+  };
 };
 
 const serializeAws_json1_1ByteMatchSetUpdate = (
   input: ByteMatchSetUpdate,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Action !== undefined) {
-    bodyParams["Action"] = input.Action;
-  }
-  if (input.ByteMatchTuple !== undefined) {
-    bodyParams["ByteMatchTuple"] = serializeAws_json1_1ByteMatchTuple(
-      input.ByteMatchTuple,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Action !== undefined && { Action: input.Action }),
+    ...(input.ByteMatchTuple !== undefined && {
+      ByteMatchTuple: serializeAws_json1_1ByteMatchTuple(
+        input.ByteMatchTuple,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1ByteMatchSetUpdates = (
@@ -10004,428 +9996,325 @@ const serializeAws_json1_1ByteMatchTuple = (
   input: ByteMatchTuple,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.FieldToMatch !== undefined) {
-    bodyParams["FieldToMatch"] = serializeAws_json1_1FieldToMatch(
-      input.FieldToMatch,
-      context
-    );
-  }
-  if (input.PositionalConstraint !== undefined) {
-    bodyParams["PositionalConstraint"] = input.PositionalConstraint;
-  }
-  if (input.TargetString !== undefined) {
-    bodyParams["TargetString"] = context.base64Encoder(input.TargetString);
-  }
-  if (input.TextTransformation !== undefined) {
-    bodyParams["TextTransformation"] = input.TextTransformation;
-  }
-  return bodyParams;
+  return {
+    ...(input.FieldToMatch !== undefined && {
+      FieldToMatch: serializeAws_json1_1FieldToMatch(
+        input.FieldToMatch,
+        context
+      )
+    }),
+    ...(input.PositionalConstraint !== undefined && {
+      PositionalConstraint: input.PositionalConstraint
+    }),
+    ...(input.TargetString !== undefined && {
+      TargetString: context.base64Encoder(input.TargetString)
+    }),
+    ...(input.TextTransformation !== undefined && {
+      TextTransformation: input.TextTransformation
+    })
+  };
 };
 
 const serializeAws_json1_1CreateByteMatchSetRequest = (
   input: CreateByteMatchSetRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ChangeToken !== undefined) {
-    bodyParams["ChangeToken"] = input.ChangeToken;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.ChangeToken !== undefined && { ChangeToken: input.ChangeToken }),
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1CreateGeoMatchSetRequest = (
   input: CreateGeoMatchSetRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ChangeToken !== undefined) {
-    bodyParams["ChangeToken"] = input.ChangeToken;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.ChangeToken !== undefined && { ChangeToken: input.ChangeToken }),
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1CreateIPSetRequest = (
   input: CreateIPSetRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ChangeToken !== undefined) {
-    bodyParams["ChangeToken"] = input.ChangeToken;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.ChangeToken !== undefined && { ChangeToken: input.ChangeToken }),
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1CreateRateBasedRuleRequest = (
   input: CreateRateBasedRuleRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ChangeToken !== undefined) {
-    bodyParams["ChangeToken"] = input.ChangeToken;
-  }
-  if (input.MetricName !== undefined) {
-    bodyParams["MetricName"] = input.MetricName;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.RateKey !== undefined) {
-    bodyParams["RateKey"] = input.RateKey;
-  }
-  if (input.RateLimit !== undefined) {
-    bodyParams["RateLimit"] = input.RateLimit;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagList(input.Tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.ChangeToken !== undefined && { ChangeToken: input.ChangeToken }),
+    ...(input.MetricName !== undefined && { MetricName: input.MetricName }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.RateKey !== undefined && { RateKey: input.RateKey }),
+    ...(input.RateLimit !== undefined && { RateLimit: input.RateLimit }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagList(input.Tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1CreateRegexMatchSetRequest = (
   input: CreateRegexMatchSetRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ChangeToken !== undefined) {
-    bodyParams["ChangeToken"] = input.ChangeToken;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.ChangeToken !== undefined && { ChangeToken: input.ChangeToken }),
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1CreateRegexPatternSetRequest = (
   input: CreateRegexPatternSetRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ChangeToken !== undefined) {
-    bodyParams["ChangeToken"] = input.ChangeToken;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.ChangeToken !== undefined && { ChangeToken: input.ChangeToken }),
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1CreateRuleGroupRequest = (
   input: CreateRuleGroupRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ChangeToken !== undefined) {
-    bodyParams["ChangeToken"] = input.ChangeToken;
-  }
-  if (input.MetricName !== undefined) {
-    bodyParams["MetricName"] = input.MetricName;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagList(input.Tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.ChangeToken !== undefined && { ChangeToken: input.ChangeToken }),
+    ...(input.MetricName !== undefined && { MetricName: input.MetricName }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagList(input.Tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1CreateRuleRequest = (
   input: CreateRuleRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ChangeToken !== undefined) {
-    bodyParams["ChangeToken"] = input.ChangeToken;
-  }
-  if (input.MetricName !== undefined) {
-    bodyParams["MetricName"] = input.MetricName;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagList(input.Tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.ChangeToken !== undefined && { ChangeToken: input.ChangeToken }),
+    ...(input.MetricName !== undefined && { MetricName: input.MetricName }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagList(input.Tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1CreateSizeConstraintSetRequest = (
   input: CreateSizeConstraintSetRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ChangeToken !== undefined) {
-    bodyParams["ChangeToken"] = input.ChangeToken;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.ChangeToken !== undefined && { ChangeToken: input.ChangeToken }),
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1CreateSqlInjectionMatchSetRequest = (
   input: CreateSqlInjectionMatchSetRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ChangeToken !== undefined) {
-    bodyParams["ChangeToken"] = input.ChangeToken;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.ChangeToken !== undefined && { ChangeToken: input.ChangeToken }),
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1CreateWebACLRequest = (
   input: CreateWebACLRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ChangeToken !== undefined) {
-    bodyParams["ChangeToken"] = input.ChangeToken;
-  }
-  if (input.DefaultAction !== undefined) {
-    bodyParams["DefaultAction"] = serializeAws_json1_1WafAction(
-      input.DefaultAction,
-      context
-    );
-  }
-  if (input.MetricName !== undefined) {
-    bodyParams["MetricName"] = input.MetricName;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagList(input.Tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.ChangeToken !== undefined && { ChangeToken: input.ChangeToken }),
+    ...(input.DefaultAction !== undefined && {
+      DefaultAction: serializeAws_json1_1WafAction(input.DefaultAction, context)
+    }),
+    ...(input.MetricName !== undefined && { MetricName: input.MetricName }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagList(input.Tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1CreateXssMatchSetRequest = (
   input: CreateXssMatchSetRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ChangeToken !== undefined) {
-    bodyParams["ChangeToken"] = input.ChangeToken;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.ChangeToken !== undefined && { ChangeToken: input.ChangeToken }),
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1DeleteByteMatchSetRequest = (
   input: DeleteByteMatchSetRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ByteMatchSetId !== undefined) {
-    bodyParams["ByteMatchSetId"] = input.ByteMatchSetId;
-  }
-  if (input.ChangeToken !== undefined) {
-    bodyParams["ChangeToken"] = input.ChangeToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.ByteMatchSetId !== undefined && {
+      ByteMatchSetId: input.ByteMatchSetId
+    }),
+    ...(input.ChangeToken !== undefined && { ChangeToken: input.ChangeToken })
+  };
 };
 
 const serializeAws_json1_1DeleteGeoMatchSetRequest = (
   input: DeleteGeoMatchSetRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ChangeToken !== undefined) {
-    bodyParams["ChangeToken"] = input.ChangeToken;
-  }
-  if (input.GeoMatchSetId !== undefined) {
-    bodyParams["GeoMatchSetId"] = input.GeoMatchSetId;
-  }
-  return bodyParams;
+  return {
+    ...(input.ChangeToken !== undefined && { ChangeToken: input.ChangeToken }),
+    ...(input.GeoMatchSetId !== undefined && {
+      GeoMatchSetId: input.GeoMatchSetId
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteIPSetRequest = (
   input: DeleteIPSetRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ChangeToken !== undefined) {
-    bodyParams["ChangeToken"] = input.ChangeToken;
-  }
-  if (input.IPSetId !== undefined) {
-    bodyParams["IPSetId"] = input.IPSetId;
-  }
-  return bodyParams;
+  return {
+    ...(input.ChangeToken !== undefined && { ChangeToken: input.ChangeToken }),
+    ...(input.IPSetId !== undefined && { IPSetId: input.IPSetId })
+  };
 };
 
 const serializeAws_json1_1DeleteLoggingConfigurationRequest = (
   input: DeleteLoggingConfigurationRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceArn !== undefined) {
-    bodyParams["ResourceArn"] = input.ResourceArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceArn !== undefined && { ResourceArn: input.ResourceArn })
+  };
 };
 
 const serializeAws_json1_1DeletePermissionPolicyRequest = (
   input: DeletePermissionPolicyRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceArn !== undefined) {
-    bodyParams["ResourceArn"] = input.ResourceArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceArn !== undefined && { ResourceArn: input.ResourceArn })
+  };
 };
 
 const serializeAws_json1_1DeleteRateBasedRuleRequest = (
   input: DeleteRateBasedRuleRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ChangeToken !== undefined) {
-    bodyParams["ChangeToken"] = input.ChangeToken;
-  }
-  if (input.RuleId !== undefined) {
-    bodyParams["RuleId"] = input.RuleId;
-  }
-  return bodyParams;
+  return {
+    ...(input.ChangeToken !== undefined && { ChangeToken: input.ChangeToken }),
+    ...(input.RuleId !== undefined && { RuleId: input.RuleId })
+  };
 };
 
 const serializeAws_json1_1DeleteRegexMatchSetRequest = (
   input: DeleteRegexMatchSetRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ChangeToken !== undefined) {
-    bodyParams["ChangeToken"] = input.ChangeToken;
-  }
-  if (input.RegexMatchSetId !== undefined) {
-    bodyParams["RegexMatchSetId"] = input.RegexMatchSetId;
-  }
-  return bodyParams;
+  return {
+    ...(input.ChangeToken !== undefined && { ChangeToken: input.ChangeToken }),
+    ...(input.RegexMatchSetId !== undefined && {
+      RegexMatchSetId: input.RegexMatchSetId
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteRegexPatternSetRequest = (
   input: DeleteRegexPatternSetRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ChangeToken !== undefined) {
-    bodyParams["ChangeToken"] = input.ChangeToken;
-  }
-  if (input.RegexPatternSetId !== undefined) {
-    bodyParams["RegexPatternSetId"] = input.RegexPatternSetId;
-  }
-  return bodyParams;
+  return {
+    ...(input.ChangeToken !== undefined && { ChangeToken: input.ChangeToken }),
+    ...(input.RegexPatternSetId !== undefined && {
+      RegexPatternSetId: input.RegexPatternSetId
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteRuleGroupRequest = (
   input: DeleteRuleGroupRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ChangeToken !== undefined) {
-    bodyParams["ChangeToken"] = input.ChangeToken;
-  }
-  if (input.RuleGroupId !== undefined) {
-    bodyParams["RuleGroupId"] = input.RuleGroupId;
-  }
-  return bodyParams;
+  return {
+    ...(input.ChangeToken !== undefined && { ChangeToken: input.ChangeToken }),
+    ...(input.RuleGroupId !== undefined && { RuleGroupId: input.RuleGroupId })
+  };
 };
 
 const serializeAws_json1_1DeleteRuleRequest = (
   input: DeleteRuleRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ChangeToken !== undefined) {
-    bodyParams["ChangeToken"] = input.ChangeToken;
-  }
-  if (input.RuleId !== undefined) {
-    bodyParams["RuleId"] = input.RuleId;
-  }
-  return bodyParams;
+  return {
+    ...(input.ChangeToken !== undefined && { ChangeToken: input.ChangeToken }),
+    ...(input.RuleId !== undefined && { RuleId: input.RuleId })
+  };
 };
 
 const serializeAws_json1_1DeleteSizeConstraintSetRequest = (
   input: DeleteSizeConstraintSetRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ChangeToken !== undefined) {
-    bodyParams["ChangeToken"] = input.ChangeToken;
-  }
-  if (input.SizeConstraintSetId !== undefined) {
-    bodyParams["SizeConstraintSetId"] = input.SizeConstraintSetId;
-  }
-  return bodyParams;
+  return {
+    ...(input.ChangeToken !== undefined && { ChangeToken: input.ChangeToken }),
+    ...(input.SizeConstraintSetId !== undefined && {
+      SizeConstraintSetId: input.SizeConstraintSetId
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteSqlInjectionMatchSetRequest = (
   input: DeleteSqlInjectionMatchSetRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ChangeToken !== undefined) {
-    bodyParams["ChangeToken"] = input.ChangeToken;
-  }
-  if (input.SqlInjectionMatchSetId !== undefined) {
-    bodyParams["SqlInjectionMatchSetId"] = input.SqlInjectionMatchSetId;
-  }
-  return bodyParams;
+  return {
+    ...(input.ChangeToken !== undefined && { ChangeToken: input.ChangeToken }),
+    ...(input.SqlInjectionMatchSetId !== undefined && {
+      SqlInjectionMatchSetId: input.SqlInjectionMatchSetId
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteWebACLRequest = (
   input: DeleteWebACLRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ChangeToken !== undefined) {
-    bodyParams["ChangeToken"] = input.ChangeToken;
-  }
-  if (input.WebACLId !== undefined) {
-    bodyParams["WebACLId"] = input.WebACLId;
-  }
-  return bodyParams;
+  return {
+    ...(input.ChangeToken !== undefined && { ChangeToken: input.ChangeToken }),
+    ...(input.WebACLId !== undefined && { WebACLId: input.WebACLId })
+  };
 };
 
 const serializeAws_json1_1DeleteXssMatchSetRequest = (
   input: DeleteXssMatchSetRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ChangeToken !== undefined) {
-    bodyParams["ChangeToken"] = input.ChangeToken;
-  }
-  if (input.XssMatchSetId !== undefined) {
-    bodyParams["XssMatchSetId"] = input.XssMatchSetId;
-  }
-  return bodyParams;
+  return {
+    ...(input.ChangeToken !== undefined && { ChangeToken: input.ChangeToken }),
+    ...(input.XssMatchSetId !== undefined && {
+      XssMatchSetId: input.XssMatchSetId
+    })
+  };
 };
 
 const serializeAws_json1_1ExcludedRule = (
   input: ExcludedRule,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.RuleId !== undefined) {
-    bodyParams["RuleId"] = input.RuleId;
-  }
-  return bodyParams;
+  return {
+    ...(input.RuleId !== undefined && { RuleId: input.RuleId })
+  };
 };
 
 const serializeAws_json1_1ExcludedRules = (
@@ -10439,45 +10328,35 @@ const serializeAws_json1_1FieldToMatch = (
   input: FieldToMatch,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Data !== undefined) {
-    bodyParams["Data"] = input.Data;
-  }
-  if (input.Type !== undefined) {
-    bodyParams["Type"] = input.Type;
-  }
-  return bodyParams;
+  return {
+    ...(input.Data !== undefined && { Data: input.Data }),
+    ...(input.Type !== undefined && { Type: input.Type })
+  };
 };
 
 const serializeAws_json1_1GeoMatchConstraint = (
   input: GeoMatchConstraint,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Type !== undefined) {
-    bodyParams["Type"] = input.Type;
-  }
-  if (input.Value !== undefined) {
-    bodyParams["Value"] = input.Value;
-  }
-  return bodyParams;
+  return {
+    ...(input.Type !== undefined && { Type: input.Type }),
+    ...(input.Value !== undefined && { Value: input.Value })
+  };
 };
 
 const serializeAws_json1_1GeoMatchSetUpdate = (
   input: GeoMatchSetUpdate,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Action !== undefined) {
-    bodyParams["Action"] = input.Action;
-  }
-  if (input.GeoMatchConstraint !== undefined) {
-    bodyParams["GeoMatchConstraint"] = serializeAws_json1_1GeoMatchConstraint(
-      input.GeoMatchConstraint,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Action !== undefined && { Action: input.Action }),
+    ...(input.GeoMatchConstraint !== undefined && {
+      GeoMatchConstraint: serializeAws_json1_1GeoMatchConstraint(
+        input.GeoMatchConstraint,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1GeoMatchSetUpdates = (
@@ -10493,241 +10372,205 @@ const serializeAws_json1_1GetByteMatchSetRequest = (
   input: GetByteMatchSetRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ByteMatchSetId !== undefined) {
-    bodyParams["ByteMatchSetId"] = input.ByteMatchSetId;
-  }
-  return bodyParams;
+  return {
+    ...(input.ByteMatchSetId !== undefined && {
+      ByteMatchSetId: input.ByteMatchSetId
+    })
+  };
 };
 
 const serializeAws_json1_1GetChangeTokenRequest = (
   input: GetChangeTokenRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  return bodyParams;
+  return {};
 };
 
 const serializeAws_json1_1GetChangeTokenStatusRequest = (
   input: GetChangeTokenStatusRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ChangeToken !== undefined) {
-    bodyParams["ChangeToken"] = input.ChangeToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.ChangeToken !== undefined && { ChangeToken: input.ChangeToken })
+  };
 };
 
 const serializeAws_json1_1GetGeoMatchSetRequest = (
   input: GetGeoMatchSetRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.GeoMatchSetId !== undefined) {
-    bodyParams["GeoMatchSetId"] = input.GeoMatchSetId;
-  }
-  return bodyParams;
+  return {
+    ...(input.GeoMatchSetId !== undefined && {
+      GeoMatchSetId: input.GeoMatchSetId
+    })
+  };
 };
 
 const serializeAws_json1_1GetIPSetRequest = (
   input: GetIPSetRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.IPSetId !== undefined) {
-    bodyParams["IPSetId"] = input.IPSetId;
-  }
-  return bodyParams;
+  return {
+    ...(input.IPSetId !== undefined && { IPSetId: input.IPSetId })
+  };
 };
 
 const serializeAws_json1_1GetLoggingConfigurationRequest = (
   input: GetLoggingConfigurationRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceArn !== undefined) {
-    bodyParams["ResourceArn"] = input.ResourceArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceArn !== undefined && { ResourceArn: input.ResourceArn })
+  };
 };
 
 const serializeAws_json1_1GetPermissionPolicyRequest = (
   input: GetPermissionPolicyRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceArn !== undefined) {
-    bodyParams["ResourceArn"] = input.ResourceArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceArn !== undefined && { ResourceArn: input.ResourceArn })
+  };
 };
 
 const serializeAws_json1_1GetRateBasedRuleManagedKeysRequest = (
   input: GetRateBasedRuleManagedKeysRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.NextMarker !== undefined) {
-    bodyParams["NextMarker"] = input.NextMarker;
-  }
-  if (input.RuleId !== undefined) {
-    bodyParams["RuleId"] = input.RuleId;
-  }
-  return bodyParams;
+  return {
+    ...(input.NextMarker !== undefined && { NextMarker: input.NextMarker }),
+    ...(input.RuleId !== undefined && { RuleId: input.RuleId })
+  };
 };
 
 const serializeAws_json1_1GetRateBasedRuleRequest = (
   input: GetRateBasedRuleRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.RuleId !== undefined) {
-    bodyParams["RuleId"] = input.RuleId;
-  }
-  return bodyParams;
+  return {
+    ...(input.RuleId !== undefined && { RuleId: input.RuleId })
+  };
 };
 
 const serializeAws_json1_1GetRegexMatchSetRequest = (
   input: GetRegexMatchSetRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.RegexMatchSetId !== undefined) {
-    bodyParams["RegexMatchSetId"] = input.RegexMatchSetId;
-  }
-  return bodyParams;
+  return {
+    ...(input.RegexMatchSetId !== undefined && {
+      RegexMatchSetId: input.RegexMatchSetId
+    })
+  };
 };
 
 const serializeAws_json1_1GetRegexPatternSetRequest = (
   input: GetRegexPatternSetRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.RegexPatternSetId !== undefined) {
-    bodyParams["RegexPatternSetId"] = input.RegexPatternSetId;
-  }
-  return bodyParams;
+  return {
+    ...(input.RegexPatternSetId !== undefined && {
+      RegexPatternSetId: input.RegexPatternSetId
+    })
+  };
 };
 
 const serializeAws_json1_1GetRuleGroupRequest = (
   input: GetRuleGroupRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.RuleGroupId !== undefined) {
-    bodyParams["RuleGroupId"] = input.RuleGroupId;
-  }
-  return bodyParams;
+  return {
+    ...(input.RuleGroupId !== undefined && { RuleGroupId: input.RuleGroupId })
+  };
 };
 
 const serializeAws_json1_1GetRuleRequest = (
   input: GetRuleRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.RuleId !== undefined) {
-    bodyParams["RuleId"] = input.RuleId;
-  }
-  return bodyParams;
+  return {
+    ...(input.RuleId !== undefined && { RuleId: input.RuleId })
+  };
 };
 
 const serializeAws_json1_1GetSampledRequestsRequest = (
   input: GetSampledRequestsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxItems !== undefined) {
-    bodyParams["MaxItems"] = input.MaxItems;
-  }
-  if (input.RuleId !== undefined) {
-    bodyParams["RuleId"] = input.RuleId;
-  }
-  if (input.TimeWindow !== undefined) {
-    bodyParams["TimeWindow"] = serializeAws_json1_1TimeWindow(
-      input.TimeWindow,
-      context
-    );
-  }
-  if (input.WebAclId !== undefined) {
-    bodyParams["WebAclId"] = input.WebAclId;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxItems !== undefined && { MaxItems: input.MaxItems }),
+    ...(input.RuleId !== undefined && { RuleId: input.RuleId }),
+    ...(input.TimeWindow !== undefined && {
+      TimeWindow: serializeAws_json1_1TimeWindow(input.TimeWindow, context)
+    }),
+    ...(input.WebAclId !== undefined && { WebAclId: input.WebAclId })
+  };
 };
 
 const serializeAws_json1_1GetSizeConstraintSetRequest = (
   input: GetSizeConstraintSetRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.SizeConstraintSetId !== undefined) {
-    bodyParams["SizeConstraintSetId"] = input.SizeConstraintSetId;
-  }
-  return bodyParams;
+  return {
+    ...(input.SizeConstraintSetId !== undefined && {
+      SizeConstraintSetId: input.SizeConstraintSetId
+    })
+  };
 };
 
 const serializeAws_json1_1GetSqlInjectionMatchSetRequest = (
   input: GetSqlInjectionMatchSetRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.SqlInjectionMatchSetId !== undefined) {
-    bodyParams["SqlInjectionMatchSetId"] = input.SqlInjectionMatchSetId;
-  }
-  return bodyParams;
+  return {
+    ...(input.SqlInjectionMatchSetId !== undefined && {
+      SqlInjectionMatchSetId: input.SqlInjectionMatchSetId
+    })
+  };
 };
 
 const serializeAws_json1_1GetWebACLRequest = (
   input: GetWebACLRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.WebACLId !== undefined) {
-    bodyParams["WebACLId"] = input.WebACLId;
-  }
-  return bodyParams;
+  return {
+    ...(input.WebACLId !== undefined && { WebACLId: input.WebACLId })
+  };
 };
 
 const serializeAws_json1_1GetXssMatchSetRequest = (
   input: GetXssMatchSetRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.XssMatchSetId !== undefined) {
-    bodyParams["XssMatchSetId"] = input.XssMatchSetId;
-  }
-  return bodyParams;
+  return {
+    ...(input.XssMatchSetId !== undefined && {
+      XssMatchSetId: input.XssMatchSetId
+    })
+  };
 };
 
 const serializeAws_json1_1IPSetDescriptor = (
   input: IPSetDescriptor,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Type !== undefined) {
-    bodyParams["Type"] = input.Type;
-  }
-  if (input.Value !== undefined) {
-    bodyParams["Value"] = input.Value;
-  }
-  return bodyParams;
+  return {
+    ...(input.Type !== undefined && { Type: input.Type }),
+    ...(input.Value !== undefined && { Value: input.Value })
+  };
 };
 
 const serializeAws_json1_1IPSetUpdate = (
   input: IPSetUpdate,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Action !== undefined) {
-    bodyParams["Action"] = input.Action;
-  }
-  if (input.IPSetDescriptor !== undefined) {
-    bodyParams["IPSetDescriptor"] = serializeAws_json1_1IPSetDescriptor(
-      input.IPSetDescriptor,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Action !== undefined && { Action: input.Action }),
+    ...(input.IPSetDescriptor !== undefined && {
+      IPSetDescriptor: serializeAws_json1_1IPSetDescriptor(
+        input.IPSetDescriptor,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1IPSetUpdates = (
@@ -10741,230 +10584,162 @@ const serializeAws_json1_1ListActivatedRulesInRuleGroupRequest = (
   input: ListActivatedRulesInRuleGroupRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.NextMarker !== undefined) {
-    bodyParams["NextMarker"] = input.NextMarker;
-  }
-  if (input.RuleGroupId !== undefined) {
-    bodyParams["RuleGroupId"] = input.RuleGroupId;
-  }
-  return bodyParams;
+  return {
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.NextMarker !== undefined && { NextMarker: input.NextMarker }),
+    ...(input.RuleGroupId !== undefined && { RuleGroupId: input.RuleGroupId })
+  };
 };
 
 const serializeAws_json1_1ListByteMatchSetsRequest = (
   input: ListByteMatchSetsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.NextMarker !== undefined) {
-    bodyParams["NextMarker"] = input.NextMarker;
-  }
-  return bodyParams;
+  return {
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.NextMarker !== undefined && { NextMarker: input.NextMarker })
+  };
 };
 
 const serializeAws_json1_1ListGeoMatchSetsRequest = (
   input: ListGeoMatchSetsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.NextMarker !== undefined) {
-    bodyParams["NextMarker"] = input.NextMarker;
-  }
-  return bodyParams;
+  return {
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.NextMarker !== undefined && { NextMarker: input.NextMarker })
+  };
 };
 
 const serializeAws_json1_1ListIPSetsRequest = (
   input: ListIPSetsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.NextMarker !== undefined) {
-    bodyParams["NextMarker"] = input.NextMarker;
-  }
-  return bodyParams;
+  return {
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.NextMarker !== undefined && { NextMarker: input.NextMarker })
+  };
 };
 
 const serializeAws_json1_1ListLoggingConfigurationsRequest = (
   input: ListLoggingConfigurationsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.NextMarker !== undefined) {
-    bodyParams["NextMarker"] = input.NextMarker;
-  }
-  return bodyParams;
+  return {
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.NextMarker !== undefined && { NextMarker: input.NextMarker })
+  };
 };
 
 const serializeAws_json1_1ListRateBasedRulesRequest = (
   input: ListRateBasedRulesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.NextMarker !== undefined) {
-    bodyParams["NextMarker"] = input.NextMarker;
-  }
-  return bodyParams;
+  return {
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.NextMarker !== undefined && { NextMarker: input.NextMarker })
+  };
 };
 
 const serializeAws_json1_1ListRegexMatchSetsRequest = (
   input: ListRegexMatchSetsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.NextMarker !== undefined) {
-    bodyParams["NextMarker"] = input.NextMarker;
-  }
-  return bodyParams;
+  return {
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.NextMarker !== undefined && { NextMarker: input.NextMarker })
+  };
 };
 
 const serializeAws_json1_1ListRegexPatternSetsRequest = (
   input: ListRegexPatternSetsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.NextMarker !== undefined) {
-    bodyParams["NextMarker"] = input.NextMarker;
-  }
-  return bodyParams;
+  return {
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.NextMarker !== undefined && { NextMarker: input.NextMarker })
+  };
 };
 
 const serializeAws_json1_1ListRuleGroupsRequest = (
   input: ListRuleGroupsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.NextMarker !== undefined) {
-    bodyParams["NextMarker"] = input.NextMarker;
-  }
-  return bodyParams;
+  return {
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.NextMarker !== undefined && { NextMarker: input.NextMarker })
+  };
 };
 
 const serializeAws_json1_1ListRulesRequest = (
   input: ListRulesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.NextMarker !== undefined) {
-    bodyParams["NextMarker"] = input.NextMarker;
-  }
-  return bodyParams;
+  return {
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.NextMarker !== undefined && { NextMarker: input.NextMarker })
+  };
 };
 
 const serializeAws_json1_1ListSizeConstraintSetsRequest = (
   input: ListSizeConstraintSetsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.NextMarker !== undefined) {
-    bodyParams["NextMarker"] = input.NextMarker;
-  }
-  return bodyParams;
+  return {
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.NextMarker !== undefined && { NextMarker: input.NextMarker })
+  };
 };
 
 const serializeAws_json1_1ListSqlInjectionMatchSetsRequest = (
   input: ListSqlInjectionMatchSetsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.NextMarker !== undefined) {
-    bodyParams["NextMarker"] = input.NextMarker;
-  }
-  return bodyParams;
+  return {
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.NextMarker !== undefined && { NextMarker: input.NextMarker })
+  };
 };
 
 const serializeAws_json1_1ListSubscribedRuleGroupsRequest = (
   input: ListSubscribedRuleGroupsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.NextMarker !== undefined) {
-    bodyParams["NextMarker"] = input.NextMarker;
-  }
-  return bodyParams;
+  return {
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.NextMarker !== undefined && { NextMarker: input.NextMarker })
+  };
 };
 
 const serializeAws_json1_1ListTagsForResourceRequest = (
   input: ListTagsForResourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.NextMarker !== undefined) {
-    bodyParams["NextMarker"] = input.NextMarker;
-  }
-  if (input.ResourceARN !== undefined) {
-    bodyParams["ResourceARN"] = input.ResourceARN;
-  }
-  return bodyParams;
+  return {
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.NextMarker !== undefined && { NextMarker: input.NextMarker }),
+    ...(input.ResourceARN !== undefined && { ResourceARN: input.ResourceARN })
+  };
 };
 
 const serializeAws_json1_1ListWebACLsRequest = (
   input: ListWebACLsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.NextMarker !== undefined) {
-    bodyParams["NextMarker"] = input.NextMarker;
-  }
-  return bodyParams;
+  return {
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.NextMarker !== undefined && { NextMarker: input.NextMarker })
+  };
 };
 
 const serializeAws_json1_1ListXssMatchSetsRequest = (
   input: ListXssMatchSetsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.NextMarker !== undefined) {
-    bodyParams["NextMarker"] = input.NextMarker;
-  }
-  return bodyParams;
+  return {
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.NextMarker !== undefined && { NextMarker: input.NextMarker })
+  };
 };
 
 const serializeAws_json1_1LogDestinationConfigs = (
@@ -10978,72 +10753,56 @@ const serializeAws_json1_1LoggingConfiguration = (
   input: LoggingConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.LogDestinationConfigs !== undefined) {
-    bodyParams[
-      "LogDestinationConfigs"
-    ] = serializeAws_json1_1LogDestinationConfigs(
-      input.LogDestinationConfigs,
-      context
-    );
-  }
-  if (input.RedactedFields !== undefined) {
-    bodyParams["RedactedFields"] = serializeAws_json1_1RedactedFields(
-      input.RedactedFields,
-      context
-    );
-  }
-  if (input.ResourceArn !== undefined) {
-    bodyParams["ResourceArn"] = input.ResourceArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.LogDestinationConfigs !== undefined && {
+      LogDestinationConfigs: serializeAws_json1_1LogDestinationConfigs(
+        input.LogDestinationConfigs,
+        context
+      )
+    }),
+    ...(input.RedactedFields !== undefined && {
+      RedactedFields: serializeAws_json1_1RedactedFields(
+        input.RedactedFields,
+        context
+      )
+    }),
+    ...(input.ResourceArn !== undefined && { ResourceArn: input.ResourceArn })
+  };
 };
 
 const serializeAws_json1_1Predicate = (
   input: Predicate,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DataId !== undefined) {
-    bodyParams["DataId"] = input.DataId;
-  }
-  if (input.Negated !== undefined) {
-    bodyParams["Negated"] = input.Negated;
-  }
-  if (input.Type !== undefined) {
-    bodyParams["Type"] = input.Type;
-  }
-  return bodyParams;
+  return {
+    ...(input.DataId !== undefined && { DataId: input.DataId }),
+    ...(input.Negated !== undefined && { Negated: input.Negated }),
+    ...(input.Type !== undefined && { Type: input.Type })
+  };
 };
 
 const serializeAws_json1_1PutLoggingConfigurationRequest = (
   input: PutLoggingConfigurationRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.LoggingConfiguration !== undefined) {
-    bodyParams[
-      "LoggingConfiguration"
-    ] = serializeAws_json1_1LoggingConfiguration(
-      input.LoggingConfiguration,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.LoggingConfiguration !== undefined && {
+      LoggingConfiguration: serializeAws_json1_1LoggingConfiguration(
+        input.LoggingConfiguration,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1PutPermissionPolicyRequest = (
   input: PutPermissionPolicyRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Policy !== undefined) {
-    bodyParams["Policy"] = input.Policy;
-  }
-  if (input.ResourceArn !== undefined) {
-    bodyParams["ResourceArn"] = input.ResourceArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.Policy !== undefined && { Policy: input.Policy }),
+    ...(input.ResourceArn !== undefined && { ResourceArn: input.ResourceArn })
+  };
 };
 
 const serializeAws_json1_1RedactedFields = (
@@ -11057,17 +10816,15 @@ const serializeAws_json1_1RegexMatchSetUpdate = (
   input: RegexMatchSetUpdate,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Action !== undefined) {
-    bodyParams["Action"] = input.Action;
-  }
-  if (input.RegexMatchTuple !== undefined) {
-    bodyParams["RegexMatchTuple"] = serializeAws_json1_1RegexMatchTuple(
-      input.RegexMatchTuple,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Action !== undefined && { Action: input.Action }),
+    ...(input.RegexMatchTuple !== undefined && {
+      RegexMatchTuple: serializeAws_json1_1RegexMatchTuple(
+        input.RegexMatchTuple,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1RegexMatchSetUpdates = (
@@ -11083,34 +10840,32 @@ const serializeAws_json1_1RegexMatchTuple = (
   input: RegexMatchTuple,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.FieldToMatch !== undefined) {
-    bodyParams["FieldToMatch"] = serializeAws_json1_1FieldToMatch(
-      input.FieldToMatch,
-      context
-    );
-  }
-  if (input.RegexPatternSetId !== undefined) {
-    bodyParams["RegexPatternSetId"] = input.RegexPatternSetId;
-  }
-  if (input.TextTransformation !== undefined) {
-    bodyParams["TextTransformation"] = input.TextTransformation;
-  }
-  return bodyParams;
+  return {
+    ...(input.FieldToMatch !== undefined && {
+      FieldToMatch: serializeAws_json1_1FieldToMatch(
+        input.FieldToMatch,
+        context
+      )
+    }),
+    ...(input.RegexPatternSetId !== undefined && {
+      RegexPatternSetId: input.RegexPatternSetId
+    }),
+    ...(input.TextTransformation !== undefined && {
+      TextTransformation: input.TextTransformation
+    })
+  };
 };
 
 const serializeAws_json1_1RegexPatternSetUpdate = (
   input: RegexPatternSetUpdate,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Action !== undefined) {
-    bodyParams["Action"] = input.Action;
-  }
-  if (input.RegexPatternString !== undefined) {
-    bodyParams["RegexPatternString"] = input.RegexPatternString;
-  }
-  return bodyParams;
+  return {
+    ...(input.Action !== undefined && { Action: input.Action }),
+    ...(input.RegexPatternString !== undefined && {
+      RegexPatternString: input.RegexPatternString
+    })
+  };
 };
 
 const serializeAws_json1_1RegexPatternSetUpdates = (
@@ -11126,17 +10881,15 @@ const serializeAws_json1_1RuleGroupUpdate = (
   input: RuleGroupUpdate,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Action !== undefined) {
-    bodyParams["Action"] = input.Action;
-  }
-  if (input.ActivatedRule !== undefined) {
-    bodyParams["ActivatedRule"] = serializeAws_json1_1ActivatedRule(
-      input.ActivatedRule,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Action !== undefined && { Action: input.Action }),
+    ...(input.ActivatedRule !== undefined && {
+      ActivatedRule: serializeAws_json1_1ActivatedRule(
+        input.ActivatedRule,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1RuleGroupUpdates = (
@@ -11152,17 +10905,12 @@ const serializeAws_json1_1RuleUpdate = (
   input: RuleUpdate,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Action !== undefined) {
-    bodyParams["Action"] = input.Action;
-  }
-  if (input.Predicate !== undefined) {
-    bodyParams["Predicate"] = serializeAws_json1_1Predicate(
-      input.Predicate,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Action !== undefined && { Action: input.Action }),
+    ...(input.Predicate !== undefined && {
+      Predicate: serializeAws_json1_1Predicate(input.Predicate, context)
+    })
+  };
 };
 
 const serializeAws_json1_1RuleUpdates = (
@@ -11176,40 +10924,36 @@ const serializeAws_json1_1SizeConstraint = (
   input: SizeConstraint,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ComparisonOperator !== undefined) {
-    bodyParams["ComparisonOperator"] = input.ComparisonOperator;
-  }
-  if (input.FieldToMatch !== undefined) {
-    bodyParams["FieldToMatch"] = serializeAws_json1_1FieldToMatch(
-      input.FieldToMatch,
-      context
-    );
-  }
-  if (input.Size !== undefined) {
-    bodyParams["Size"] = input.Size;
-  }
-  if (input.TextTransformation !== undefined) {
-    bodyParams["TextTransformation"] = input.TextTransformation;
-  }
-  return bodyParams;
+  return {
+    ...(input.ComparisonOperator !== undefined && {
+      ComparisonOperator: input.ComparisonOperator
+    }),
+    ...(input.FieldToMatch !== undefined && {
+      FieldToMatch: serializeAws_json1_1FieldToMatch(
+        input.FieldToMatch,
+        context
+      )
+    }),
+    ...(input.Size !== undefined && { Size: input.Size }),
+    ...(input.TextTransformation !== undefined && {
+      TextTransformation: input.TextTransformation
+    })
+  };
 };
 
 const serializeAws_json1_1SizeConstraintSetUpdate = (
   input: SizeConstraintSetUpdate,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Action !== undefined) {
-    bodyParams["Action"] = input.Action;
-  }
-  if (input.SizeConstraint !== undefined) {
-    bodyParams["SizeConstraint"] = serializeAws_json1_1SizeConstraint(
-      input.SizeConstraint,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Action !== undefined && { Action: input.Action }),
+    ...(input.SizeConstraint !== undefined && {
+      SizeConstraint: serializeAws_json1_1SizeConstraint(
+        input.SizeConstraint,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1SizeConstraintSetUpdates = (
@@ -11225,19 +10969,15 @@ const serializeAws_json1_1SqlInjectionMatchSetUpdate = (
   input: SqlInjectionMatchSetUpdate,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Action !== undefined) {
-    bodyParams["Action"] = input.Action;
-  }
-  if (input.SqlInjectionMatchTuple !== undefined) {
-    bodyParams[
-      "SqlInjectionMatchTuple"
-    ] = serializeAws_json1_1SqlInjectionMatchTuple(
-      input.SqlInjectionMatchTuple,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Action !== undefined && { Action: input.Action }),
+    ...(input.SqlInjectionMatchTuple !== undefined && {
+      SqlInjectionMatchTuple: serializeAws_json1_1SqlInjectionMatchTuple(
+        input.SqlInjectionMatchTuple,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1SqlInjectionMatchSetUpdates = (
@@ -11253,28 +10993,24 @@ const serializeAws_json1_1SqlInjectionMatchTuple = (
   input: SqlInjectionMatchTuple,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.FieldToMatch !== undefined) {
-    bodyParams["FieldToMatch"] = serializeAws_json1_1FieldToMatch(
-      input.FieldToMatch,
-      context
-    );
-  }
-  if (input.TextTransformation !== undefined) {
-    bodyParams["TextTransformation"] = input.TextTransformation;
-  }
-  return bodyParams;
+  return {
+    ...(input.FieldToMatch !== undefined && {
+      FieldToMatch: serializeAws_json1_1FieldToMatch(
+        input.FieldToMatch,
+        context
+      )
+    }),
+    ...(input.TextTransformation !== undefined && {
+      TextTransformation: input.TextTransformation
+    })
+  };
 };
 
 const serializeAws_json1_1Tag = (input: Tag, context: __SerdeContext): any => {
-  const bodyParams: any = {};
-  if (input.Key !== undefined) {
-    bodyParams["Key"] = input.Key;
-  }
-  if (input.Value !== undefined) {
-    bodyParams["Value"] = input.Value;
-  }
-  return bodyParams;
+  return {
+    ...(input.Key !== undefined && { Key: input.Key }),
+    ...(input.Value !== undefined && { Value: input.Value })
+  };
 };
 
 const serializeAws_json1_1TagKeyList = (
@@ -11295,333 +11031,254 @@ const serializeAws_json1_1TagResourceRequest = (
   input: TagResourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceARN !== undefined) {
-    bodyParams["ResourceARN"] = input.ResourceARN;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagList(input.Tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceARN !== undefined && { ResourceARN: input.ResourceARN }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagList(input.Tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1TimeWindow = (
   input: TimeWindow,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EndTime !== undefined) {
-    bodyParams["EndTime"] = Math.round(input.EndTime.getTime() / 1000);
-  }
-  if (input.StartTime !== undefined) {
-    bodyParams["StartTime"] = Math.round(input.StartTime.getTime() / 1000);
-  }
-  return bodyParams;
+  return {
+    ...(input.EndTime !== undefined && {
+      EndTime: Math.round(input.EndTime.getTime() / 1000)
+    }),
+    ...(input.StartTime !== undefined && {
+      StartTime: Math.round(input.StartTime.getTime() / 1000)
+    })
+  };
 };
 
 const serializeAws_json1_1UntagResourceRequest = (
   input: UntagResourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceARN !== undefined) {
-    bodyParams["ResourceARN"] = input.ResourceARN;
-  }
-  if (input.TagKeys !== undefined) {
-    bodyParams["TagKeys"] = serializeAws_json1_1TagKeyList(
-      input.TagKeys,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceARN !== undefined && { ResourceARN: input.ResourceARN }),
+    ...(input.TagKeys !== undefined && {
+      TagKeys: serializeAws_json1_1TagKeyList(input.TagKeys, context)
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateByteMatchSetRequest = (
   input: UpdateByteMatchSetRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ByteMatchSetId !== undefined) {
-    bodyParams["ByteMatchSetId"] = input.ByteMatchSetId;
-  }
-  if (input.ChangeToken !== undefined) {
-    bodyParams["ChangeToken"] = input.ChangeToken;
-  }
-  if (input.Updates !== undefined) {
-    bodyParams["Updates"] = serializeAws_json1_1ByteMatchSetUpdates(
-      input.Updates,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ByteMatchSetId !== undefined && {
+      ByteMatchSetId: input.ByteMatchSetId
+    }),
+    ...(input.ChangeToken !== undefined && { ChangeToken: input.ChangeToken }),
+    ...(input.Updates !== undefined && {
+      Updates: serializeAws_json1_1ByteMatchSetUpdates(input.Updates, context)
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateGeoMatchSetRequest = (
   input: UpdateGeoMatchSetRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ChangeToken !== undefined) {
-    bodyParams["ChangeToken"] = input.ChangeToken;
-  }
-  if (input.GeoMatchSetId !== undefined) {
-    bodyParams["GeoMatchSetId"] = input.GeoMatchSetId;
-  }
-  if (input.Updates !== undefined) {
-    bodyParams["Updates"] = serializeAws_json1_1GeoMatchSetUpdates(
-      input.Updates,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ChangeToken !== undefined && { ChangeToken: input.ChangeToken }),
+    ...(input.GeoMatchSetId !== undefined && {
+      GeoMatchSetId: input.GeoMatchSetId
+    }),
+    ...(input.Updates !== undefined && {
+      Updates: serializeAws_json1_1GeoMatchSetUpdates(input.Updates, context)
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateIPSetRequest = (
   input: UpdateIPSetRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ChangeToken !== undefined) {
-    bodyParams["ChangeToken"] = input.ChangeToken;
-  }
-  if (input.IPSetId !== undefined) {
-    bodyParams["IPSetId"] = input.IPSetId;
-  }
-  if (input.Updates !== undefined) {
-    bodyParams["Updates"] = serializeAws_json1_1IPSetUpdates(
-      input.Updates,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ChangeToken !== undefined && { ChangeToken: input.ChangeToken }),
+    ...(input.IPSetId !== undefined && { IPSetId: input.IPSetId }),
+    ...(input.Updates !== undefined && {
+      Updates: serializeAws_json1_1IPSetUpdates(input.Updates, context)
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateRateBasedRuleRequest = (
   input: UpdateRateBasedRuleRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ChangeToken !== undefined) {
-    bodyParams["ChangeToken"] = input.ChangeToken;
-  }
-  if (input.RateLimit !== undefined) {
-    bodyParams["RateLimit"] = input.RateLimit;
-  }
-  if (input.RuleId !== undefined) {
-    bodyParams["RuleId"] = input.RuleId;
-  }
-  if (input.Updates !== undefined) {
-    bodyParams["Updates"] = serializeAws_json1_1RuleUpdates(
-      input.Updates,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ChangeToken !== undefined && { ChangeToken: input.ChangeToken }),
+    ...(input.RateLimit !== undefined && { RateLimit: input.RateLimit }),
+    ...(input.RuleId !== undefined && { RuleId: input.RuleId }),
+    ...(input.Updates !== undefined && {
+      Updates: serializeAws_json1_1RuleUpdates(input.Updates, context)
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateRegexMatchSetRequest = (
   input: UpdateRegexMatchSetRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ChangeToken !== undefined) {
-    bodyParams["ChangeToken"] = input.ChangeToken;
-  }
-  if (input.RegexMatchSetId !== undefined) {
-    bodyParams["RegexMatchSetId"] = input.RegexMatchSetId;
-  }
-  if (input.Updates !== undefined) {
-    bodyParams["Updates"] = serializeAws_json1_1RegexMatchSetUpdates(
-      input.Updates,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ChangeToken !== undefined && { ChangeToken: input.ChangeToken }),
+    ...(input.RegexMatchSetId !== undefined && {
+      RegexMatchSetId: input.RegexMatchSetId
+    }),
+    ...(input.Updates !== undefined && {
+      Updates: serializeAws_json1_1RegexMatchSetUpdates(input.Updates, context)
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateRegexPatternSetRequest = (
   input: UpdateRegexPatternSetRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ChangeToken !== undefined) {
-    bodyParams["ChangeToken"] = input.ChangeToken;
-  }
-  if (input.RegexPatternSetId !== undefined) {
-    bodyParams["RegexPatternSetId"] = input.RegexPatternSetId;
-  }
-  if (input.Updates !== undefined) {
-    bodyParams["Updates"] = serializeAws_json1_1RegexPatternSetUpdates(
-      input.Updates,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ChangeToken !== undefined && { ChangeToken: input.ChangeToken }),
+    ...(input.RegexPatternSetId !== undefined && {
+      RegexPatternSetId: input.RegexPatternSetId
+    }),
+    ...(input.Updates !== undefined && {
+      Updates: serializeAws_json1_1RegexPatternSetUpdates(
+        input.Updates,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateRuleGroupRequest = (
   input: UpdateRuleGroupRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ChangeToken !== undefined) {
-    bodyParams["ChangeToken"] = input.ChangeToken;
-  }
-  if (input.RuleGroupId !== undefined) {
-    bodyParams["RuleGroupId"] = input.RuleGroupId;
-  }
-  if (input.Updates !== undefined) {
-    bodyParams["Updates"] = serializeAws_json1_1RuleGroupUpdates(
-      input.Updates,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ChangeToken !== undefined && { ChangeToken: input.ChangeToken }),
+    ...(input.RuleGroupId !== undefined && { RuleGroupId: input.RuleGroupId }),
+    ...(input.Updates !== undefined && {
+      Updates: serializeAws_json1_1RuleGroupUpdates(input.Updates, context)
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateRuleRequest = (
   input: UpdateRuleRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ChangeToken !== undefined) {
-    bodyParams["ChangeToken"] = input.ChangeToken;
-  }
-  if (input.RuleId !== undefined) {
-    bodyParams["RuleId"] = input.RuleId;
-  }
-  if (input.Updates !== undefined) {
-    bodyParams["Updates"] = serializeAws_json1_1RuleUpdates(
-      input.Updates,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ChangeToken !== undefined && { ChangeToken: input.ChangeToken }),
+    ...(input.RuleId !== undefined && { RuleId: input.RuleId }),
+    ...(input.Updates !== undefined && {
+      Updates: serializeAws_json1_1RuleUpdates(input.Updates, context)
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateSizeConstraintSetRequest = (
   input: UpdateSizeConstraintSetRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ChangeToken !== undefined) {
-    bodyParams["ChangeToken"] = input.ChangeToken;
-  }
-  if (input.SizeConstraintSetId !== undefined) {
-    bodyParams["SizeConstraintSetId"] = input.SizeConstraintSetId;
-  }
-  if (input.Updates !== undefined) {
-    bodyParams["Updates"] = serializeAws_json1_1SizeConstraintSetUpdates(
-      input.Updates,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ChangeToken !== undefined && { ChangeToken: input.ChangeToken }),
+    ...(input.SizeConstraintSetId !== undefined && {
+      SizeConstraintSetId: input.SizeConstraintSetId
+    }),
+    ...(input.Updates !== undefined && {
+      Updates: serializeAws_json1_1SizeConstraintSetUpdates(
+        input.Updates,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateSqlInjectionMatchSetRequest = (
   input: UpdateSqlInjectionMatchSetRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ChangeToken !== undefined) {
-    bodyParams["ChangeToken"] = input.ChangeToken;
-  }
-  if (input.SqlInjectionMatchSetId !== undefined) {
-    bodyParams["SqlInjectionMatchSetId"] = input.SqlInjectionMatchSetId;
-  }
-  if (input.Updates !== undefined) {
-    bodyParams["Updates"] = serializeAws_json1_1SqlInjectionMatchSetUpdates(
-      input.Updates,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ChangeToken !== undefined && { ChangeToken: input.ChangeToken }),
+    ...(input.SqlInjectionMatchSetId !== undefined && {
+      SqlInjectionMatchSetId: input.SqlInjectionMatchSetId
+    }),
+    ...(input.Updates !== undefined && {
+      Updates: serializeAws_json1_1SqlInjectionMatchSetUpdates(
+        input.Updates,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateWebACLRequest = (
   input: UpdateWebACLRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ChangeToken !== undefined) {
-    bodyParams["ChangeToken"] = input.ChangeToken;
-  }
-  if (input.DefaultAction !== undefined) {
-    bodyParams["DefaultAction"] = serializeAws_json1_1WafAction(
-      input.DefaultAction,
-      context
-    );
-  }
-  if (input.Updates !== undefined) {
-    bodyParams["Updates"] = serializeAws_json1_1WebACLUpdates(
-      input.Updates,
-      context
-    );
-  }
-  if (input.WebACLId !== undefined) {
-    bodyParams["WebACLId"] = input.WebACLId;
-  }
-  return bodyParams;
+  return {
+    ...(input.ChangeToken !== undefined && { ChangeToken: input.ChangeToken }),
+    ...(input.DefaultAction !== undefined && {
+      DefaultAction: serializeAws_json1_1WafAction(input.DefaultAction, context)
+    }),
+    ...(input.Updates !== undefined && {
+      Updates: serializeAws_json1_1WebACLUpdates(input.Updates, context)
+    }),
+    ...(input.WebACLId !== undefined && { WebACLId: input.WebACLId })
+  };
 };
 
 const serializeAws_json1_1UpdateXssMatchSetRequest = (
   input: UpdateXssMatchSetRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ChangeToken !== undefined) {
-    bodyParams["ChangeToken"] = input.ChangeToken;
-  }
-  if (input.Updates !== undefined) {
-    bodyParams["Updates"] = serializeAws_json1_1XssMatchSetUpdates(
-      input.Updates,
-      context
-    );
-  }
-  if (input.XssMatchSetId !== undefined) {
-    bodyParams["XssMatchSetId"] = input.XssMatchSetId;
-  }
-  return bodyParams;
+  return {
+    ...(input.ChangeToken !== undefined && { ChangeToken: input.ChangeToken }),
+    ...(input.Updates !== undefined && {
+      Updates: serializeAws_json1_1XssMatchSetUpdates(input.Updates, context)
+    }),
+    ...(input.XssMatchSetId !== undefined && {
+      XssMatchSetId: input.XssMatchSetId
+    })
+  };
 };
 
 const serializeAws_json1_1WafAction = (
   input: WafAction,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Type !== undefined) {
-    bodyParams["Type"] = input.Type;
-  }
-  return bodyParams;
+  return {
+    ...(input.Type !== undefined && { Type: input.Type })
+  };
 };
 
 const serializeAws_json1_1WafOverrideAction = (
   input: WafOverrideAction,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Type !== undefined) {
-    bodyParams["Type"] = input.Type;
-  }
-  return bodyParams;
+  return {
+    ...(input.Type !== undefined && { Type: input.Type })
+  };
 };
 
 const serializeAws_json1_1WebACLUpdate = (
   input: WebACLUpdate,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Action !== undefined) {
-    bodyParams["Action"] = input.Action;
-  }
-  if (input.ActivatedRule !== undefined) {
-    bodyParams["ActivatedRule"] = serializeAws_json1_1ActivatedRule(
-      input.ActivatedRule,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Action !== undefined && { Action: input.Action }),
+    ...(input.ActivatedRule !== undefined && {
+      ActivatedRule: serializeAws_json1_1ActivatedRule(
+        input.ActivatedRule,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1WebACLUpdates = (
@@ -11635,17 +11292,15 @@ const serializeAws_json1_1XssMatchSetUpdate = (
   input: XssMatchSetUpdate,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Action !== undefined) {
-    bodyParams["Action"] = input.Action;
-  }
-  if (input.XssMatchTuple !== undefined) {
-    bodyParams["XssMatchTuple"] = serializeAws_json1_1XssMatchTuple(
-      input.XssMatchTuple,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Action !== undefined && { Action: input.Action }),
+    ...(input.XssMatchTuple !== undefined && {
+      XssMatchTuple: serializeAws_json1_1XssMatchTuple(
+        input.XssMatchTuple,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1XssMatchSetUpdates = (
@@ -11661,17 +11316,17 @@ const serializeAws_json1_1XssMatchTuple = (
   input: XssMatchTuple,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.FieldToMatch !== undefined) {
-    bodyParams["FieldToMatch"] = serializeAws_json1_1FieldToMatch(
-      input.FieldToMatch,
-      context
-    );
-  }
-  if (input.TextTransformation !== undefined) {
-    bodyParams["TextTransformation"] = input.TextTransformation;
-  }
-  return bodyParams;
+  return {
+    ...(input.FieldToMatch !== undefined && {
+      FieldToMatch: serializeAws_json1_1FieldToMatch(
+        input.FieldToMatch,
+        context
+      )
+    }),
+    ...(input.TextTransformation !== undefined && {
+      TextTransformation: input.TextTransformation
+    })
+  };
 };
 
 const deserializeAws_json1_1ActivatedRule = (
diff --git a/clients/client-wafv2/protocols/Aws_json1_1.ts b/clients/client-wafv2/protocols/Aws_json1_1.ts
index 21a257e784db..ebfdf706393b 100644
--- a/clients/client-wafv2/protocols/Aws_json1_1.ts
+++ b/clients/client-wafv2/protocols/Aws_json1_1.ts
@@ -4681,108 +4681,94 @@ const serializeAws_json1_1AllQueryArguments = (
   input: AllQueryArguments,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  return bodyParams;
+  return {};
 };
 
 const serializeAws_json1_1AllowAction = (
   input: AllowAction,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  return bodyParams;
+  return {};
 };
 
 const serializeAws_json1_1AndStatement = (
   input: AndStatement,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Statements !== undefined) {
-    bodyParams["Statements"] = serializeAws_json1_1Statements(
-      input.Statements,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Statements !== undefined && {
+      Statements: serializeAws_json1_1Statements(input.Statements, context)
+    })
+  };
 };
 
 const serializeAws_json1_1AssociateWebACLRequest = (
   input: AssociateWebACLRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceArn !== undefined) {
-    bodyParams["ResourceArn"] = input.ResourceArn;
-  }
-  if (input.WebACLArn !== undefined) {
-    bodyParams["WebACLArn"] = input.WebACLArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceArn !== undefined && { ResourceArn: input.ResourceArn }),
+    ...(input.WebACLArn !== undefined && { WebACLArn: input.WebACLArn })
+  };
 };
 
 const serializeAws_json1_1BlockAction = (
   input: BlockAction,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  return bodyParams;
+  return {};
 };
 
 const serializeAws_json1_1Body = (
   input: Body,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  return bodyParams;
+  return {};
 };
 
 const serializeAws_json1_1ByteMatchStatement = (
   input: ByteMatchStatement,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.FieldToMatch !== undefined) {
-    bodyParams["FieldToMatch"] = serializeAws_json1_1FieldToMatch(
-      input.FieldToMatch,
-      context
-    );
-  }
-  if (input.PositionalConstraint !== undefined) {
-    bodyParams["PositionalConstraint"] = input.PositionalConstraint;
-  }
-  if (input.SearchString !== undefined) {
-    bodyParams["SearchString"] = context.base64Encoder(input.SearchString);
-  }
-  if (input.TextTransformations !== undefined) {
-    bodyParams["TextTransformations"] = serializeAws_json1_1TextTransformations(
-      input.TextTransformations,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.FieldToMatch !== undefined && {
+      FieldToMatch: serializeAws_json1_1FieldToMatch(
+        input.FieldToMatch,
+        context
+      )
+    }),
+    ...(input.PositionalConstraint !== undefined && {
+      PositionalConstraint: input.PositionalConstraint
+    }),
+    ...(input.SearchString !== undefined && {
+      SearchString: context.base64Encoder(input.SearchString)
+    }),
+    ...(input.TextTransformations !== undefined && {
+      TextTransformations: serializeAws_json1_1TextTransformations(
+        input.TextTransformations,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1CheckCapacityRequest = (
   input: CheckCapacityRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Rules !== undefined) {
-    bodyParams["Rules"] = serializeAws_json1_1Rules(input.Rules, context);
-  }
-  if (input.Scope !== undefined) {
-    bodyParams["Scope"] = input.Scope;
-  }
-  return bodyParams;
+  return {
+    ...(input.Rules !== undefined && {
+      Rules: serializeAws_json1_1Rules(input.Rules, context)
+    }),
+    ...(input.Scope !== undefined && { Scope: input.Scope })
+  };
 };
 
 const serializeAws_json1_1CountAction = (
   input: CountAction,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  return bodyParams;
+  return {};
 };
 
 const serializeAws_json1_1CountryCodes = (
@@ -4796,268 +4782,193 @@ const serializeAws_json1_1CreateIPSetRequest = (
   input: CreateIPSetRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Addresses !== undefined) {
-    bodyParams["Addresses"] = serializeAws_json1_1IPAddresses(
-      input.Addresses,
-      context
-    );
-  }
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.IPAddressVersion !== undefined) {
-    bodyParams["IPAddressVersion"] = input.IPAddressVersion;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.Scope !== undefined) {
-    bodyParams["Scope"] = input.Scope;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagList(input.Tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.Addresses !== undefined && {
+      Addresses: serializeAws_json1_1IPAddresses(input.Addresses, context)
+    }),
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.IPAddressVersion !== undefined && {
+      IPAddressVersion: input.IPAddressVersion
+    }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.Scope !== undefined && { Scope: input.Scope }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagList(input.Tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1CreateRegexPatternSetRequest = (
   input: CreateRegexPatternSetRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.RegularExpressionList !== undefined) {
-    bodyParams[
-      "RegularExpressionList"
-    ] = serializeAws_json1_1RegularExpressionList(
-      input.RegularExpressionList,
-      context
-    );
-  }
-  if (input.Scope !== undefined) {
-    bodyParams["Scope"] = input.Scope;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagList(input.Tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.RegularExpressionList !== undefined && {
+      RegularExpressionList: serializeAws_json1_1RegularExpressionList(
+        input.RegularExpressionList,
+        context
+      )
+    }),
+    ...(input.Scope !== undefined && { Scope: input.Scope }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagList(input.Tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1CreateRuleGroupRequest = (
   input: CreateRuleGroupRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Capacity !== undefined) {
-    bodyParams["Capacity"] = input.Capacity;
-  }
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.Rules !== undefined) {
-    bodyParams["Rules"] = serializeAws_json1_1Rules(input.Rules, context);
-  }
-  if (input.Scope !== undefined) {
-    bodyParams["Scope"] = input.Scope;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagList(input.Tags, context);
-  }
-  if (input.VisibilityConfig !== undefined) {
-    bodyParams["VisibilityConfig"] = serializeAws_json1_1VisibilityConfig(
-      input.VisibilityConfig,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Capacity !== undefined && { Capacity: input.Capacity }),
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.Rules !== undefined && {
+      Rules: serializeAws_json1_1Rules(input.Rules, context)
+    }),
+    ...(input.Scope !== undefined && { Scope: input.Scope }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagList(input.Tags, context)
+    }),
+    ...(input.VisibilityConfig !== undefined && {
+      VisibilityConfig: serializeAws_json1_1VisibilityConfig(
+        input.VisibilityConfig,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1CreateWebACLRequest = (
   input: CreateWebACLRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DefaultAction !== undefined) {
-    bodyParams["DefaultAction"] = serializeAws_json1_1DefaultAction(
-      input.DefaultAction,
-      context
-    );
-  }
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.Rules !== undefined) {
-    bodyParams["Rules"] = serializeAws_json1_1Rules(input.Rules, context);
-  }
-  if (input.Scope !== undefined) {
-    bodyParams["Scope"] = input.Scope;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagList(input.Tags, context);
-  }
-  if (input.VisibilityConfig !== undefined) {
-    bodyParams["VisibilityConfig"] = serializeAws_json1_1VisibilityConfig(
-      input.VisibilityConfig,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.DefaultAction !== undefined && {
+      DefaultAction: serializeAws_json1_1DefaultAction(
+        input.DefaultAction,
+        context
+      )
+    }),
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.Rules !== undefined && {
+      Rules: serializeAws_json1_1Rules(input.Rules, context)
+    }),
+    ...(input.Scope !== undefined && { Scope: input.Scope }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagList(input.Tags, context)
+    }),
+    ...(input.VisibilityConfig !== undefined && {
+      VisibilityConfig: serializeAws_json1_1VisibilityConfig(
+        input.VisibilityConfig,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1DefaultAction = (
   input: DefaultAction,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Allow !== undefined) {
-    bodyParams["Allow"] = serializeAws_json1_1AllowAction(input.Allow, context);
-  }
-  if (input.Block !== undefined) {
-    bodyParams["Block"] = serializeAws_json1_1BlockAction(input.Block, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.Allow !== undefined && {
+      Allow: serializeAws_json1_1AllowAction(input.Allow, context)
+    }),
+    ...(input.Block !== undefined && {
+      Block: serializeAws_json1_1BlockAction(input.Block, context)
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteIPSetRequest = (
   input: DeleteIPSetRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Id !== undefined) {
-    bodyParams["Id"] = input.Id;
-  }
-  if (input.LockToken !== undefined) {
-    bodyParams["LockToken"] = input.LockToken;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.Scope !== undefined) {
-    bodyParams["Scope"] = input.Scope;
-  }
-  return bodyParams;
+  return {
+    ...(input.Id !== undefined && { Id: input.Id }),
+    ...(input.LockToken !== undefined && { LockToken: input.LockToken }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.Scope !== undefined && { Scope: input.Scope })
+  };
 };
 
 const serializeAws_json1_1DeleteLoggingConfigurationRequest = (
   input: DeleteLoggingConfigurationRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceArn !== undefined) {
-    bodyParams["ResourceArn"] = input.ResourceArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceArn !== undefined && { ResourceArn: input.ResourceArn })
+  };
 };
 
 const serializeAws_json1_1DeleteRegexPatternSetRequest = (
   input: DeleteRegexPatternSetRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Id !== undefined) {
-    bodyParams["Id"] = input.Id;
-  }
-  if (input.LockToken !== undefined) {
-    bodyParams["LockToken"] = input.LockToken;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.Scope !== undefined) {
-    bodyParams["Scope"] = input.Scope;
-  }
-  return bodyParams;
+  return {
+    ...(input.Id !== undefined && { Id: input.Id }),
+    ...(input.LockToken !== undefined && { LockToken: input.LockToken }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.Scope !== undefined && { Scope: input.Scope })
+  };
 };
 
 const serializeAws_json1_1DeleteRuleGroupRequest = (
   input: DeleteRuleGroupRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Id !== undefined) {
-    bodyParams["Id"] = input.Id;
-  }
-  if (input.LockToken !== undefined) {
-    bodyParams["LockToken"] = input.LockToken;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.Scope !== undefined) {
-    bodyParams["Scope"] = input.Scope;
-  }
-  return bodyParams;
+  return {
+    ...(input.Id !== undefined && { Id: input.Id }),
+    ...(input.LockToken !== undefined && { LockToken: input.LockToken }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.Scope !== undefined && { Scope: input.Scope })
+  };
 };
 
 const serializeAws_json1_1DeleteWebACLRequest = (
   input: DeleteWebACLRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Id !== undefined) {
-    bodyParams["Id"] = input.Id;
-  }
-  if (input.LockToken !== undefined) {
-    bodyParams["LockToken"] = input.LockToken;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.Scope !== undefined) {
-    bodyParams["Scope"] = input.Scope;
-  }
-  return bodyParams;
+  return {
+    ...(input.Id !== undefined && { Id: input.Id }),
+    ...(input.LockToken !== undefined && { LockToken: input.LockToken }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.Scope !== undefined && { Scope: input.Scope })
+  };
 };
 
 const serializeAws_json1_1DescribeManagedRuleGroupRequest = (
   input: DescribeManagedRuleGroupRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.Scope !== undefined) {
-    bodyParams["Scope"] = input.Scope;
-  }
-  if (input.VendorName !== undefined) {
-    bodyParams["VendorName"] = input.VendorName;
-  }
-  return bodyParams;
+  return {
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.Scope !== undefined && { Scope: input.Scope }),
+    ...(input.VendorName !== undefined && { VendorName: input.VendorName })
+  };
 };
 
 const serializeAws_json1_1DisassociateWebACLRequest = (
   input: DisassociateWebACLRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceArn !== undefined) {
-    bodyParams["ResourceArn"] = input.ResourceArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceArn !== undefined && { ResourceArn: input.ResourceArn })
+  };
 };
 
 const serializeAws_json1_1ExcludedRule = (
   input: ExcludedRule,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1ExcludedRules = (
@@ -5071,191 +4982,143 @@ const serializeAws_json1_1FieldToMatch = (
   input: FieldToMatch,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AllQueryArguments !== undefined) {
-    bodyParams["AllQueryArguments"] = serializeAws_json1_1AllQueryArguments(
-      input.AllQueryArguments,
-      context
-    );
-  }
-  if (input.Body !== undefined) {
-    bodyParams["Body"] = serializeAws_json1_1Body(input.Body, context);
-  }
-  if (input.Method !== undefined) {
-    bodyParams["Method"] = serializeAws_json1_1Method(input.Method, context);
-  }
-  if (input.QueryString !== undefined) {
-    bodyParams["QueryString"] = serializeAws_json1_1QueryString(
-      input.QueryString,
-      context
-    );
-  }
-  if (input.SingleHeader !== undefined) {
-    bodyParams["SingleHeader"] = serializeAws_json1_1SingleHeader(
-      input.SingleHeader,
-      context
-    );
-  }
-  if (input.SingleQueryArgument !== undefined) {
-    bodyParams["SingleQueryArgument"] = serializeAws_json1_1SingleQueryArgument(
-      input.SingleQueryArgument,
-      context
-    );
-  }
-  if (input.UriPath !== undefined) {
-    bodyParams["UriPath"] = serializeAws_json1_1UriPath(input.UriPath, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.AllQueryArguments !== undefined && {
+      AllQueryArguments: serializeAws_json1_1AllQueryArguments(
+        input.AllQueryArguments,
+        context
+      )
+    }),
+    ...(input.Body !== undefined && {
+      Body: serializeAws_json1_1Body(input.Body, context)
+    }),
+    ...(input.Method !== undefined && {
+      Method: serializeAws_json1_1Method(input.Method, context)
+    }),
+    ...(input.QueryString !== undefined && {
+      QueryString: serializeAws_json1_1QueryString(input.QueryString, context)
+    }),
+    ...(input.SingleHeader !== undefined && {
+      SingleHeader: serializeAws_json1_1SingleHeader(
+        input.SingleHeader,
+        context
+      )
+    }),
+    ...(input.SingleQueryArgument !== undefined && {
+      SingleQueryArgument: serializeAws_json1_1SingleQueryArgument(
+        input.SingleQueryArgument,
+        context
+      )
+    }),
+    ...(input.UriPath !== undefined && {
+      UriPath: serializeAws_json1_1UriPath(input.UriPath, context)
+    })
+  };
 };
 
 const serializeAws_json1_1GeoMatchStatement = (
   input: GeoMatchStatement,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CountryCodes !== undefined) {
-    bodyParams["CountryCodes"] = serializeAws_json1_1CountryCodes(
-      input.CountryCodes,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.CountryCodes !== undefined && {
+      CountryCodes: serializeAws_json1_1CountryCodes(
+        input.CountryCodes,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1GetIPSetRequest = (
   input: GetIPSetRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Id !== undefined) {
-    bodyParams["Id"] = input.Id;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.Scope !== undefined) {
-    bodyParams["Scope"] = input.Scope;
-  }
-  return bodyParams;
+  return {
+    ...(input.Id !== undefined && { Id: input.Id }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.Scope !== undefined && { Scope: input.Scope })
+  };
 };
 
 const serializeAws_json1_1GetLoggingConfigurationRequest = (
   input: GetLoggingConfigurationRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceArn !== undefined) {
-    bodyParams["ResourceArn"] = input.ResourceArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceArn !== undefined && { ResourceArn: input.ResourceArn })
+  };
 };
 
 const serializeAws_json1_1GetRateBasedStatementManagedKeysRequest = (
   input: GetRateBasedStatementManagedKeysRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.RuleName !== undefined) {
-    bodyParams["RuleName"] = input.RuleName;
-  }
-  if (input.Scope !== undefined) {
-    bodyParams["Scope"] = input.Scope;
-  }
-  if (input.WebACLId !== undefined) {
-    bodyParams["WebACLId"] = input.WebACLId;
-  }
-  if (input.WebACLName !== undefined) {
-    bodyParams["WebACLName"] = input.WebACLName;
-  }
-  return bodyParams;
+  return {
+    ...(input.RuleName !== undefined && { RuleName: input.RuleName }),
+    ...(input.Scope !== undefined && { Scope: input.Scope }),
+    ...(input.WebACLId !== undefined && { WebACLId: input.WebACLId }),
+    ...(input.WebACLName !== undefined && { WebACLName: input.WebACLName })
+  };
 };
 
 const serializeAws_json1_1GetRegexPatternSetRequest = (
   input: GetRegexPatternSetRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Id !== undefined) {
-    bodyParams["Id"] = input.Id;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.Scope !== undefined) {
-    bodyParams["Scope"] = input.Scope;
-  }
-  return bodyParams;
+  return {
+    ...(input.Id !== undefined && { Id: input.Id }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.Scope !== undefined && { Scope: input.Scope })
+  };
 };
 
 const serializeAws_json1_1GetRuleGroupRequest = (
   input: GetRuleGroupRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Id !== undefined) {
-    bodyParams["Id"] = input.Id;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.Scope !== undefined) {
-    bodyParams["Scope"] = input.Scope;
-  }
-  return bodyParams;
+  return {
+    ...(input.Id !== undefined && { Id: input.Id }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.Scope !== undefined && { Scope: input.Scope })
+  };
 };
 
 const serializeAws_json1_1GetSampledRequestsRequest = (
   input: GetSampledRequestsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxItems !== undefined) {
-    bodyParams["MaxItems"] = input.MaxItems;
-  }
-  if (input.RuleMetricName !== undefined) {
-    bodyParams["RuleMetricName"] = input.RuleMetricName;
-  }
-  if (input.Scope !== undefined) {
-    bodyParams["Scope"] = input.Scope;
-  }
-  if (input.TimeWindow !== undefined) {
-    bodyParams["TimeWindow"] = serializeAws_json1_1TimeWindow(
-      input.TimeWindow,
-      context
-    );
-  }
-  if (input.WebAclArn !== undefined) {
-    bodyParams["WebAclArn"] = input.WebAclArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxItems !== undefined && { MaxItems: input.MaxItems }),
+    ...(input.RuleMetricName !== undefined && {
+      RuleMetricName: input.RuleMetricName
+    }),
+    ...(input.Scope !== undefined && { Scope: input.Scope }),
+    ...(input.TimeWindow !== undefined && {
+      TimeWindow: serializeAws_json1_1TimeWindow(input.TimeWindow, context)
+    }),
+    ...(input.WebAclArn !== undefined && { WebAclArn: input.WebAclArn })
+  };
 };
 
 const serializeAws_json1_1GetWebACLForResourceRequest = (
   input: GetWebACLForResourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceArn !== undefined) {
-    bodyParams["ResourceArn"] = input.ResourceArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceArn !== undefined && { ResourceArn: input.ResourceArn })
+  };
 };
 
 const serializeAws_json1_1GetWebACLRequest = (
   input: GetWebACLRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Id !== undefined) {
-    bodyParams["Id"] = input.Id;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.Scope !== undefined) {
-    bodyParams["Scope"] = input.Scope;
-  }
-  return bodyParams;
+  return {
+    ...(input.Id !== undefined && { Id: input.Id }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.Scope !== undefined && { Scope: input.Scope })
+  };
 };
 
 const serializeAws_json1_1IPAddresses = (
@@ -5269,144 +5132,98 @@ const serializeAws_json1_1IPSetReferenceStatement = (
   input: IPSetReferenceStatement,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ARN !== undefined) {
-    bodyParams["ARN"] = input.ARN;
-  }
-  return bodyParams;
+  return {
+    ...(input.ARN !== undefined && { ARN: input.ARN })
+  };
 };
 
 const serializeAws_json1_1ListAvailableManagedRuleGroupsRequest = (
   input: ListAvailableManagedRuleGroupsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.NextMarker !== undefined) {
-    bodyParams["NextMarker"] = input.NextMarker;
-  }
-  if (input.Scope !== undefined) {
-    bodyParams["Scope"] = input.Scope;
-  }
-  return bodyParams;
+  return {
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.NextMarker !== undefined && { NextMarker: input.NextMarker }),
+    ...(input.Scope !== undefined && { Scope: input.Scope })
+  };
 };
 
 const serializeAws_json1_1ListIPSetsRequest = (
   input: ListIPSetsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.NextMarker !== undefined) {
-    bodyParams["NextMarker"] = input.NextMarker;
-  }
-  if (input.Scope !== undefined) {
-    bodyParams["Scope"] = input.Scope;
-  }
-  return bodyParams;
+  return {
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.NextMarker !== undefined && { NextMarker: input.NextMarker }),
+    ...(input.Scope !== undefined && { Scope: input.Scope })
+  };
 };
 
 const serializeAws_json1_1ListLoggingConfigurationsRequest = (
   input: ListLoggingConfigurationsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.NextMarker !== undefined) {
-    bodyParams["NextMarker"] = input.NextMarker;
-  }
-  if (input.Scope !== undefined) {
-    bodyParams["Scope"] = input.Scope;
-  }
-  return bodyParams;
+  return {
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.NextMarker !== undefined && { NextMarker: input.NextMarker }),
+    ...(input.Scope !== undefined && { Scope: input.Scope })
+  };
 };
 
 const serializeAws_json1_1ListRegexPatternSetsRequest = (
   input: ListRegexPatternSetsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.NextMarker !== undefined) {
-    bodyParams["NextMarker"] = input.NextMarker;
-  }
-  if (input.Scope !== undefined) {
-    bodyParams["Scope"] = input.Scope;
-  }
-  return bodyParams;
+  return {
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.NextMarker !== undefined && { NextMarker: input.NextMarker }),
+    ...(input.Scope !== undefined && { Scope: input.Scope })
+  };
 };
 
 const serializeAws_json1_1ListResourcesForWebACLRequest = (
   input: ListResourcesForWebACLRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceType !== undefined) {
-    bodyParams["ResourceType"] = input.ResourceType;
-  }
-  if (input.WebACLArn !== undefined) {
-    bodyParams["WebACLArn"] = input.WebACLArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceType !== undefined && {
+      ResourceType: input.ResourceType
+    }),
+    ...(input.WebACLArn !== undefined && { WebACLArn: input.WebACLArn })
+  };
 };
 
 const serializeAws_json1_1ListRuleGroupsRequest = (
   input: ListRuleGroupsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.NextMarker !== undefined) {
-    bodyParams["NextMarker"] = input.NextMarker;
-  }
-  if (input.Scope !== undefined) {
-    bodyParams["Scope"] = input.Scope;
-  }
-  return bodyParams;
+  return {
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.NextMarker !== undefined && { NextMarker: input.NextMarker }),
+    ...(input.Scope !== undefined && { Scope: input.Scope })
+  };
 };
 
 const serializeAws_json1_1ListTagsForResourceRequest = (
   input: ListTagsForResourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.NextMarker !== undefined) {
-    bodyParams["NextMarker"] = input.NextMarker;
-  }
-  if (input.ResourceARN !== undefined) {
-    bodyParams["ResourceARN"] = input.ResourceARN;
-  }
-  return bodyParams;
+  return {
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.NextMarker !== undefined && { NextMarker: input.NextMarker }),
+    ...(input.ResourceARN !== undefined && { ResourceARN: input.ResourceARN })
+  };
 };
 
 const serializeAws_json1_1ListWebACLsRequest = (
   input: ListWebACLsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.NextMarker !== undefined) {
-    bodyParams["NextMarker"] = input.NextMarker;
-  }
-  if (input.Scope !== undefined) {
-    bodyParams["Scope"] = input.Scope;
-  }
-  return bodyParams;
+  return {
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.NextMarker !== undefined && { NextMarker: input.NextMarker }),
+    ...(input.Scope !== undefined && { Scope: input.Scope })
+  };
 };
 
 const serializeAws_json1_1LogDestinationConfigs = (
@@ -5420,147 +5237,126 @@ const serializeAws_json1_1LoggingConfiguration = (
   input: LoggingConfiguration,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.LogDestinationConfigs !== undefined) {
-    bodyParams[
-      "LogDestinationConfigs"
-    ] = serializeAws_json1_1LogDestinationConfigs(
-      input.LogDestinationConfigs,
-      context
-    );
-  }
-  if (input.RedactedFields !== undefined) {
-    bodyParams["RedactedFields"] = serializeAws_json1_1RedactedFields(
-      input.RedactedFields,
-      context
-    );
-  }
-  if (input.ResourceArn !== undefined) {
-    bodyParams["ResourceArn"] = input.ResourceArn;
-  }
-  return bodyParams;
+  return {
+    ...(input.LogDestinationConfigs !== undefined && {
+      LogDestinationConfigs: serializeAws_json1_1LogDestinationConfigs(
+        input.LogDestinationConfigs,
+        context
+      )
+    }),
+    ...(input.RedactedFields !== undefined && {
+      RedactedFields: serializeAws_json1_1RedactedFields(
+        input.RedactedFields,
+        context
+      )
+    }),
+    ...(input.ResourceArn !== undefined && { ResourceArn: input.ResourceArn })
+  };
 };
 
 const serializeAws_json1_1ManagedRuleGroupStatement = (
   input: ManagedRuleGroupStatement,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ExcludedRules !== undefined) {
-    bodyParams["ExcludedRules"] = serializeAws_json1_1ExcludedRules(
-      input.ExcludedRules,
-      context
-    );
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.VendorName !== undefined) {
-    bodyParams["VendorName"] = input.VendorName;
-  }
-  return bodyParams;
+  return {
+    ...(input.ExcludedRules !== undefined && {
+      ExcludedRules: serializeAws_json1_1ExcludedRules(
+        input.ExcludedRules,
+        context
+      )
+    }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.VendorName !== undefined && { VendorName: input.VendorName })
+  };
 };
 
 const serializeAws_json1_1Method = (
   input: Method,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  return bodyParams;
+  return {};
 };
 
 const serializeAws_json1_1NoneAction = (
   input: NoneAction,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  return bodyParams;
+  return {};
 };
 
 const serializeAws_json1_1NotStatement = (
   input: NotStatement,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Statement !== undefined) {
-    bodyParams["Statement"] = serializeAws_json1_1Statement(
-      input.Statement,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Statement !== undefined && {
+      Statement: serializeAws_json1_1Statement(input.Statement, context)
+    })
+  };
 };
 
 const serializeAws_json1_1OrStatement = (
   input: OrStatement,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Statements !== undefined) {
-    bodyParams["Statements"] = serializeAws_json1_1Statements(
-      input.Statements,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Statements !== undefined && {
+      Statements: serializeAws_json1_1Statements(input.Statements, context)
+    })
+  };
 };
 
 const serializeAws_json1_1OverrideAction = (
   input: OverrideAction,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Count !== undefined) {
-    bodyParams["Count"] = serializeAws_json1_1CountAction(input.Count, context);
-  }
-  if (input.None !== undefined) {
-    bodyParams["None"] = serializeAws_json1_1NoneAction(input.None, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.Count !== undefined && {
+      Count: serializeAws_json1_1CountAction(input.Count, context)
+    }),
+    ...(input.None !== undefined && {
+      None: serializeAws_json1_1NoneAction(input.None, context)
+    })
+  };
 };
 
 const serializeAws_json1_1PutLoggingConfigurationRequest = (
   input: PutLoggingConfigurationRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.LoggingConfiguration !== undefined) {
-    bodyParams[
-      "LoggingConfiguration"
-    ] = serializeAws_json1_1LoggingConfiguration(
-      input.LoggingConfiguration,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.LoggingConfiguration !== undefined && {
+      LoggingConfiguration: serializeAws_json1_1LoggingConfiguration(
+        input.LoggingConfiguration,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1QueryString = (
   input: QueryString,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  return bodyParams;
+  return {};
 };
 
 const serializeAws_json1_1RateBasedStatement = (
   input: RateBasedStatement,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AggregateKeyType !== undefined) {
-    bodyParams["AggregateKeyType"] = input.AggregateKeyType;
-  }
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.ScopeDownStatement !== undefined) {
-    bodyParams["ScopeDownStatement"] = serializeAws_json1_1Statement(
-      input.ScopeDownStatement,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.AggregateKeyType !== undefined && {
+      AggregateKeyType: input.AggregateKeyType
+    }),
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.ScopeDownStatement !== undefined && {
+      ScopeDownStatement: serializeAws_json1_1Statement(
+        input.ScopeDownStatement,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1RedactedFields = (
@@ -5574,34 +5370,30 @@ const serializeAws_json1_1Regex = (
   input: Regex,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.RegexString !== undefined) {
-    bodyParams["RegexString"] = input.RegexString;
-  }
-  return bodyParams;
+  return {
+    ...(input.RegexString !== undefined && { RegexString: input.RegexString })
+  };
 };
 
 const serializeAws_json1_1RegexPatternSetReferenceStatement = (
   input: RegexPatternSetReferenceStatement,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ARN !== undefined) {
-    bodyParams["ARN"] = input.ARN;
-  }
-  if (input.FieldToMatch !== undefined) {
-    bodyParams["FieldToMatch"] = serializeAws_json1_1FieldToMatch(
-      input.FieldToMatch,
-      context
-    );
-  }
-  if (input.TextTransformations !== undefined) {
-    bodyParams["TextTransformations"] = serializeAws_json1_1TextTransformations(
-      input.TextTransformations,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ARN !== undefined && { ARN: input.ARN }),
+    ...(input.FieldToMatch !== undefined && {
+      FieldToMatch: serializeAws_json1_1FieldToMatch(
+        input.FieldToMatch,
+        context
+      )
+    }),
+    ...(input.TextTransformations !== undefined && {
+      TextTransformations: serializeAws_json1_1TextTransformations(
+        input.TextTransformations,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1RegularExpressionList = (
@@ -5615,72 +5407,60 @@ const serializeAws_json1_1Rule = (
   input: Rule,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Action !== undefined) {
-    bodyParams["Action"] = serializeAws_json1_1RuleAction(
-      input.Action,
-      context
-    );
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.OverrideAction !== undefined) {
-    bodyParams["OverrideAction"] = serializeAws_json1_1OverrideAction(
-      input.OverrideAction,
-      context
-    );
-  }
-  if (input.Priority !== undefined) {
-    bodyParams["Priority"] = input.Priority;
-  }
-  if (input.Statement !== undefined) {
-    bodyParams["Statement"] = serializeAws_json1_1Statement(
-      input.Statement,
-      context
-    );
-  }
-  if (input.VisibilityConfig !== undefined) {
-    bodyParams["VisibilityConfig"] = serializeAws_json1_1VisibilityConfig(
-      input.VisibilityConfig,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Action !== undefined && {
+      Action: serializeAws_json1_1RuleAction(input.Action, context)
+    }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.OverrideAction !== undefined && {
+      OverrideAction: serializeAws_json1_1OverrideAction(
+        input.OverrideAction,
+        context
+      )
+    }),
+    ...(input.Priority !== undefined && { Priority: input.Priority }),
+    ...(input.Statement !== undefined && {
+      Statement: serializeAws_json1_1Statement(input.Statement, context)
+    }),
+    ...(input.VisibilityConfig !== undefined && {
+      VisibilityConfig: serializeAws_json1_1VisibilityConfig(
+        input.VisibilityConfig,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1RuleAction = (
   input: RuleAction,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Allow !== undefined) {
-    bodyParams["Allow"] = serializeAws_json1_1AllowAction(input.Allow, context);
-  }
-  if (input.Block !== undefined) {
-    bodyParams["Block"] = serializeAws_json1_1BlockAction(input.Block, context);
-  }
-  if (input.Count !== undefined) {
-    bodyParams["Count"] = serializeAws_json1_1CountAction(input.Count, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.Allow !== undefined && {
+      Allow: serializeAws_json1_1AllowAction(input.Allow, context)
+    }),
+    ...(input.Block !== undefined && {
+      Block: serializeAws_json1_1BlockAction(input.Block, context)
+    }),
+    ...(input.Count !== undefined && {
+      Count: serializeAws_json1_1CountAction(input.Count, context)
+    })
+  };
 };
 
 const serializeAws_json1_1RuleGroupReferenceStatement = (
   input: RuleGroupReferenceStatement,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ARN !== undefined) {
-    bodyParams["ARN"] = input.ARN;
-  }
-  if (input.ExcludedRules !== undefined) {
-    bodyParams["ExcludedRules"] = serializeAws_json1_1ExcludedRules(
-      input.ExcludedRules,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ARN !== undefined && { ARN: input.ARN }),
+    ...(input.ExcludedRules !== undefined && {
+      ExcludedRules: serializeAws_json1_1ExcludedRules(
+        input.ExcludedRules,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1Rules = (
@@ -5694,164 +5474,145 @@ const serializeAws_json1_1SingleHeader = (
   input: SingleHeader,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1SingleQueryArgument = (
   input: SingleQueryArgument,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  return bodyParams;
+  return {
+    ...(input.Name !== undefined && { Name: input.Name })
+  };
 };
 
 const serializeAws_json1_1SizeConstraintStatement = (
   input: SizeConstraintStatement,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ComparisonOperator !== undefined) {
-    bodyParams["ComparisonOperator"] = input.ComparisonOperator;
-  }
-  if (input.FieldToMatch !== undefined) {
-    bodyParams["FieldToMatch"] = serializeAws_json1_1FieldToMatch(
-      input.FieldToMatch,
-      context
-    );
-  }
-  if (input.Size !== undefined) {
-    bodyParams["Size"] = input.Size;
-  }
-  if (input.TextTransformations !== undefined) {
-    bodyParams["TextTransformations"] = serializeAws_json1_1TextTransformations(
-      input.TextTransformations,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ComparisonOperator !== undefined && {
+      ComparisonOperator: input.ComparisonOperator
+    }),
+    ...(input.FieldToMatch !== undefined && {
+      FieldToMatch: serializeAws_json1_1FieldToMatch(
+        input.FieldToMatch,
+        context
+      )
+    }),
+    ...(input.Size !== undefined && { Size: input.Size }),
+    ...(input.TextTransformations !== undefined && {
+      TextTransformations: serializeAws_json1_1TextTransformations(
+        input.TextTransformations,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1SqliMatchStatement = (
   input: SqliMatchStatement,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.FieldToMatch !== undefined) {
-    bodyParams["FieldToMatch"] = serializeAws_json1_1FieldToMatch(
-      input.FieldToMatch,
-      context
-    );
-  }
-  if (input.TextTransformations !== undefined) {
-    bodyParams["TextTransformations"] = serializeAws_json1_1TextTransformations(
-      input.TextTransformations,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.FieldToMatch !== undefined && {
+      FieldToMatch: serializeAws_json1_1FieldToMatch(
+        input.FieldToMatch,
+        context
+      )
+    }),
+    ...(input.TextTransformations !== undefined && {
+      TextTransformations: serializeAws_json1_1TextTransformations(
+        input.TextTransformations,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1Statement = (
   input: Statement,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AndStatement !== undefined) {
-    bodyParams["AndStatement"] = serializeAws_json1_1AndStatement(
-      input.AndStatement,
-      context
-    );
-  }
-  if (input.ByteMatchStatement !== undefined) {
-    bodyParams["ByteMatchStatement"] = serializeAws_json1_1ByteMatchStatement(
-      input.ByteMatchStatement,
-      context
-    );
-  }
-  if (input.GeoMatchStatement !== undefined) {
-    bodyParams["GeoMatchStatement"] = serializeAws_json1_1GeoMatchStatement(
-      input.GeoMatchStatement,
-      context
-    );
-  }
-  if (input.IPSetReferenceStatement !== undefined) {
-    bodyParams[
-      "IPSetReferenceStatement"
-    ] = serializeAws_json1_1IPSetReferenceStatement(
-      input.IPSetReferenceStatement,
-      context
-    );
-  }
-  if (input.ManagedRuleGroupStatement !== undefined) {
-    bodyParams[
-      "ManagedRuleGroupStatement"
-    ] = serializeAws_json1_1ManagedRuleGroupStatement(
-      input.ManagedRuleGroupStatement,
-      context
-    );
-  }
-  if (input.NotStatement !== undefined) {
-    bodyParams["NotStatement"] = serializeAws_json1_1NotStatement(
-      input.NotStatement,
-      context
-    );
-  }
-  if (input.OrStatement !== undefined) {
-    bodyParams["OrStatement"] = serializeAws_json1_1OrStatement(
-      input.OrStatement,
-      context
-    );
-  }
-  if (input.RateBasedStatement !== undefined) {
-    bodyParams["RateBasedStatement"] = serializeAws_json1_1RateBasedStatement(
-      input.RateBasedStatement,
-      context
-    );
-  }
-  if (input.RegexPatternSetReferenceStatement !== undefined) {
-    bodyParams[
-      "RegexPatternSetReferenceStatement"
-    ] = serializeAws_json1_1RegexPatternSetReferenceStatement(
-      input.RegexPatternSetReferenceStatement,
-      context
-    );
-  }
-  if (input.RuleGroupReferenceStatement !== undefined) {
-    bodyParams[
-      "RuleGroupReferenceStatement"
-    ] = serializeAws_json1_1RuleGroupReferenceStatement(
-      input.RuleGroupReferenceStatement,
-      context
-    );
-  }
-  if (input.SizeConstraintStatement !== undefined) {
-    bodyParams[
-      "SizeConstraintStatement"
-    ] = serializeAws_json1_1SizeConstraintStatement(
-      input.SizeConstraintStatement,
-      context
-    );
-  }
-  if (input.SqliMatchStatement !== undefined) {
-    bodyParams["SqliMatchStatement"] = serializeAws_json1_1SqliMatchStatement(
-      input.SqliMatchStatement,
-      context
-    );
-  }
-  if (input.XssMatchStatement !== undefined) {
-    bodyParams["XssMatchStatement"] = serializeAws_json1_1XssMatchStatement(
-      input.XssMatchStatement,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.AndStatement !== undefined && {
+      AndStatement: serializeAws_json1_1AndStatement(
+        input.AndStatement,
+        context
+      )
+    }),
+    ...(input.ByteMatchStatement !== undefined && {
+      ByteMatchStatement: serializeAws_json1_1ByteMatchStatement(
+        input.ByteMatchStatement,
+        context
+      )
+    }),
+    ...(input.GeoMatchStatement !== undefined && {
+      GeoMatchStatement: serializeAws_json1_1GeoMatchStatement(
+        input.GeoMatchStatement,
+        context
+      )
+    }),
+    ...(input.IPSetReferenceStatement !== undefined && {
+      IPSetReferenceStatement: serializeAws_json1_1IPSetReferenceStatement(
+        input.IPSetReferenceStatement,
+        context
+      )
+    }),
+    ...(input.ManagedRuleGroupStatement !== undefined && {
+      ManagedRuleGroupStatement: serializeAws_json1_1ManagedRuleGroupStatement(
+        input.ManagedRuleGroupStatement,
+        context
+      )
+    }),
+    ...(input.NotStatement !== undefined && {
+      NotStatement: serializeAws_json1_1NotStatement(
+        input.NotStatement,
+        context
+      )
+    }),
+    ...(input.OrStatement !== undefined && {
+      OrStatement: serializeAws_json1_1OrStatement(input.OrStatement, context)
+    }),
+    ...(input.RateBasedStatement !== undefined && {
+      RateBasedStatement: serializeAws_json1_1RateBasedStatement(
+        input.RateBasedStatement,
+        context
+      )
+    }),
+    ...(input.RegexPatternSetReferenceStatement !== undefined && {
+      RegexPatternSetReferenceStatement: serializeAws_json1_1RegexPatternSetReferenceStatement(
+        input.RegexPatternSetReferenceStatement,
+        context
+      )
+    }),
+    ...(input.RuleGroupReferenceStatement !== undefined && {
+      RuleGroupReferenceStatement: serializeAws_json1_1RuleGroupReferenceStatement(
+        input.RuleGroupReferenceStatement,
+        context
+      )
+    }),
+    ...(input.SizeConstraintStatement !== undefined && {
+      SizeConstraintStatement: serializeAws_json1_1SizeConstraintStatement(
+        input.SizeConstraintStatement,
+        context
+      )
+    }),
+    ...(input.SqliMatchStatement !== undefined && {
+      SqliMatchStatement: serializeAws_json1_1SqliMatchStatement(
+        input.SqliMatchStatement,
+        context
+      )
+    }),
+    ...(input.XssMatchStatement !== undefined && {
+      XssMatchStatement: serializeAws_json1_1XssMatchStatement(
+        input.XssMatchStatement,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1Statements = (
@@ -5862,14 +5623,10 @@ const serializeAws_json1_1Statements = (
 };
 
 const serializeAws_json1_1Tag = (input: Tag, context: __SerdeContext): any => {
-  const bodyParams: any = {};
-  if (input.Key !== undefined) {
-    bodyParams["Key"] = input.Key;
-  }
-  if (input.Value !== undefined) {
-    bodyParams["Value"] = input.Value;
-  }
-  return bodyParams;
+  return {
+    ...(input.Key !== undefined && { Key: input.Key }),
+    ...(input.Value !== undefined && { Value: input.Value })
+  };
 };
 
 const serializeAws_json1_1TagKeyList = (
@@ -5890,28 +5647,22 @@ const serializeAws_json1_1TagResourceRequest = (
   input: TagResourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceARN !== undefined) {
-    bodyParams["ResourceARN"] = input.ResourceARN;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagList(input.Tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceARN !== undefined && { ResourceARN: input.ResourceARN }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagList(input.Tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1TextTransformation = (
   input: TextTransformation,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Priority !== undefined) {
-    bodyParams["Priority"] = input.Priority;
-  }
-  if (input.Type !== undefined) {
-    bodyParams["Type"] = input.Type;
-  }
-  return bodyParams;
+  return {
+    ...(input.Priority !== undefined && { Priority: input.Priority }),
+    ...(input.Type !== undefined && { Type: input.Type })
+  };
 };
 
 const serializeAws_json1_1TextTransformations = (
@@ -5927,206 +5678,153 @@ const serializeAws_json1_1TimeWindow = (
   input: TimeWindow,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EndTime !== undefined) {
-    bodyParams["EndTime"] = Math.round(input.EndTime.getTime() / 1000);
-  }
-  if (input.StartTime !== undefined) {
-    bodyParams["StartTime"] = Math.round(input.StartTime.getTime() / 1000);
-  }
-  return bodyParams;
+  return {
+    ...(input.EndTime !== undefined && {
+      EndTime: Math.round(input.EndTime.getTime() / 1000)
+    }),
+    ...(input.StartTime !== undefined && {
+      StartTime: Math.round(input.StartTime.getTime() / 1000)
+    })
+  };
 };
 
 const serializeAws_json1_1UntagResourceRequest = (
   input: UntagResourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceARN !== undefined) {
-    bodyParams["ResourceARN"] = input.ResourceARN;
-  }
-  if (input.TagKeys !== undefined) {
-    bodyParams["TagKeys"] = serializeAws_json1_1TagKeyList(
-      input.TagKeys,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceARN !== undefined && { ResourceARN: input.ResourceARN }),
+    ...(input.TagKeys !== undefined && {
+      TagKeys: serializeAws_json1_1TagKeyList(input.TagKeys, context)
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateIPSetRequest = (
   input: UpdateIPSetRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Addresses !== undefined) {
-    bodyParams["Addresses"] = serializeAws_json1_1IPAddresses(
-      input.Addresses,
-      context
-    );
-  }
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.Id !== undefined) {
-    bodyParams["Id"] = input.Id;
-  }
-  if (input.LockToken !== undefined) {
-    bodyParams["LockToken"] = input.LockToken;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.Scope !== undefined) {
-    bodyParams["Scope"] = input.Scope;
-  }
-  return bodyParams;
+  return {
+    ...(input.Addresses !== undefined && {
+      Addresses: serializeAws_json1_1IPAddresses(input.Addresses, context)
+    }),
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.Id !== undefined && { Id: input.Id }),
+    ...(input.LockToken !== undefined && { LockToken: input.LockToken }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.Scope !== undefined && { Scope: input.Scope })
+  };
 };
 
 const serializeAws_json1_1UpdateRegexPatternSetRequest = (
   input: UpdateRegexPatternSetRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.Id !== undefined) {
-    bodyParams["Id"] = input.Id;
-  }
-  if (input.LockToken !== undefined) {
-    bodyParams["LockToken"] = input.LockToken;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.RegularExpressionList !== undefined) {
-    bodyParams[
-      "RegularExpressionList"
-    ] = serializeAws_json1_1RegularExpressionList(
-      input.RegularExpressionList,
-      context
-    );
-  }
-  if (input.Scope !== undefined) {
-    bodyParams["Scope"] = input.Scope;
-  }
-  return bodyParams;
+  return {
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.Id !== undefined && { Id: input.Id }),
+    ...(input.LockToken !== undefined && { LockToken: input.LockToken }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.RegularExpressionList !== undefined && {
+      RegularExpressionList: serializeAws_json1_1RegularExpressionList(
+        input.RegularExpressionList,
+        context
+      )
+    }),
+    ...(input.Scope !== undefined && { Scope: input.Scope })
+  };
 };
 
 const serializeAws_json1_1UpdateRuleGroupRequest = (
   input: UpdateRuleGroupRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.Id !== undefined) {
-    bodyParams["Id"] = input.Id;
-  }
-  if (input.LockToken !== undefined) {
-    bodyParams["LockToken"] = input.LockToken;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.Rules !== undefined) {
-    bodyParams["Rules"] = serializeAws_json1_1Rules(input.Rules, context);
-  }
-  if (input.Scope !== undefined) {
-    bodyParams["Scope"] = input.Scope;
-  }
-  if (input.VisibilityConfig !== undefined) {
-    bodyParams["VisibilityConfig"] = serializeAws_json1_1VisibilityConfig(
-      input.VisibilityConfig,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.Id !== undefined && { Id: input.Id }),
+    ...(input.LockToken !== undefined && { LockToken: input.LockToken }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.Rules !== undefined && {
+      Rules: serializeAws_json1_1Rules(input.Rules, context)
+    }),
+    ...(input.Scope !== undefined && { Scope: input.Scope }),
+    ...(input.VisibilityConfig !== undefined && {
+      VisibilityConfig: serializeAws_json1_1VisibilityConfig(
+        input.VisibilityConfig,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateWebACLRequest = (
   input: UpdateWebACLRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DefaultAction !== undefined) {
-    bodyParams["DefaultAction"] = serializeAws_json1_1DefaultAction(
-      input.DefaultAction,
-      context
-    );
-  }
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.Id !== undefined) {
-    bodyParams["Id"] = input.Id;
-  }
-  if (input.LockToken !== undefined) {
-    bodyParams["LockToken"] = input.LockToken;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.Rules !== undefined) {
-    bodyParams["Rules"] = serializeAws_json1_1Rules(input.Rules, context);
-  }
-  if (input.Scope !== undefined) {
-    bodyParams["Scope"] = input.Scope;
-  }
-  if (input.VisibilityConfig !== undefined) {
-    bodyParams["VisibilityConfig"] = serializeAws_json1_1VisibilityConfig(
-      input.VisibilityConfig,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.DefaultAction !== undefined && {
+      DefaultAction: serializeAws_json1_1DefaultAction(
+        input.DefaultAction,
+        context
+      )
+    }),
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.Id !== undefined && { Id: input.Id }),
+    ...(input.LockToken !== undefined && { LockToken: input.LockToken }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.Rules !== undefined && {
+      Rules: serializeAws_json1_1Rules(input.Rules, context)
+    }),
+    ...(input.Scope !== undefined && { Scope: input.Scope }),
+    ...(input.VisibilityConfig !== undefined && {
+      VisibilityConfig: serializeAws_json1_1VisibilityConfig(
+        input.VisibilityConfig,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1UriPath = (
   input: UriPath,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  return bodyParams;
+  return {};
 };
 
 const serializeAws_json1_1VisibilityConfig = (
   input: VisibilityConfig,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CloudWatchMetricsEnabled !== undefined) {
-    bodyParams["CloudWatchMetricsEnabled"] = input.CloudWatchMetricsEnabled;
-  }
-  if (input.MetricName !== undefined) {
-    bodyParams["MetricName"] = input.MetricName;
-  }
-  if (input.SampledRequestsEnabled !== undefined) {
-    bodyParams["SampledRequestsEnabled"] = input.SampledRequestsEnabled;
-  }
-  return bodyParams;
+  return {
+    ...(input.CloudWatchMetricsEnabled !== undefined && {
+      CloudWatchMetricsEnabled: input.CloudWatchMetricsEnabled
+    }),
+    ...(input.MetricName !== undefined && { MetricName: input.MetricName }),
+    ...(input.SampledRequestsEnabled !== undefined && {
+      SampledRequestsEnabled: input.SampledRequestsEnabled
+    })
+  };
 };
 
 const serializeAws_json1_1XssMatchStatement = (
   input: XssMatchStatement,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.FieldToMatch !== undefined) {
-    bodyParams["FieldToMatch"] = serializeAws_json1_1FieldToMatch(
-      input.FieldToMatch,
-      context
-    );
-  }
-  if (input.TextTransformations !== undefined) {
-    bodyParams["TextTransformations"] = serializeAws_json1_1TextTransformations(
-      input.TextTransformations,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.FieldToMatch !== undefined && {
+      FieldToMatch: serializeAws_json1_1FieldToMatch(
+        input.FieldToMatch,
+        context
+      )
+    }),
+    ...(input.TextTransformations !== undefined && {
+      TextTransformations: serializeAws_json1_1TextTransformations(
+        input.TextTransformations,
+        context
+      )
+    })
+  };
 };
 
 const deserializeAws_json1_1AllQueryArguments = (
diff --git a/clients/client-workdocs/protocols/Aws_restJson1_1.ts b/clients/client-workdocs/protocols/Aws_restJson1_1.ts
index 4653b60c5fe3..2a5adf3b45ad 100644
--- a/clients/client-workdocs/protocols/Aws_restJson1_1.ts
+++ b/clients/client-workdocs/protocols/Aws_restJson1_1.ts
@@ -7350,31 +7350,23 @@ const serializeAws_restJson1_1NotificationOptions = (
   input: NotificationOptions,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EmailMessage !== undefined) {
-    bodyParams["EmailMessage"] = input.EmailMessage;
-  }
-  if (input.SendEmail !== undefined) {
-    bodyParams["SendEmail"] = input.SendEmail;
-  }
-  return bodyParams;
+  return {
+    ...(input.EmailMessage !== undefined && {
+      EmailMessage: input.EmailMessage
+    }),
+    ...(input.SendEmail !== undefined && { SendEmail: input.SendEmail })
+  };
 };
 
 const serializeAws_restJson1_1SharePrincipal = (
   input: SharePrincipal,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Id !== undefined) {
-    bodyParams["Id"] = input.Id;
-  }
-  if (input.Role !== undefined) {
-    bodyParams["Role"] = input.Role;
-  }
-  if (input.Type !== undefined) {
-    bodyParams["Type"] = input.Type;
-  }
-  return bodyParams;
+  return {
+    ...(input.Id !== undefined && { Id: input.Id }),
+    ...(input.Role !== undefined && { Role: input.Role }),
+    ...(input.Type !== undefined && { Type: input.Type })
+  };
 };
 
 const serializeAws_restJson1_1SharePrincipalList = (
@@ -7397,14 +7389,12 @@ const serializeAws_restJson1_1StorageRuleType = (
   input: StorageRuleType,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.StorageAllocatedInBytes !== undefined) {
-    bodyParams["StorageAllocatedInBytes"] = input.StorageAllocatedInBytes;
-  }
-  if (input.StorageType !== undefined) {
-    bodyParams["StorageType"] = input.StorageType;
-  }
-  return bodyParams;
+  return {
+    ...(input.StorageAllocatedInBytes !== undefined && {
+      StorageAllocatedInBytes: input.StorageAllocatedInBytes
+    }),
+    ...(input.StorageType !== undefined && { StorageType: input.StorageType })
+  };
 };
 
 const deserializeAws_restJson1_1Activity = (
diff --git a/clients/client-workmail/protocols/Aws_json1_1.ts b/clients/client-workmail/protocols/Aws_json1_1.ts
index 116294b9bcd6..c5dec731ea9d 100644
--- a/clients/client-workmail/protocols/Aws_json1_1.ts
+++ b/clients/client-workmail/protocols/Aws_json1_1.ts
@@ -4764,457 +4764,359 @@ const serializeAws_json1_1AssociateDelegateToResourceRequest = (
   input: AssociateDelegateToResourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EntityId !== undefined) {
-    bodyParams["EntityId"] = input.EntityId;
-  }
-  if (input.OrganizationId !== undefined) {
-    bodyParams["OrganizationId"] = input.OrganizationId;
-  }
-  if (input.ResourceId !== undefined) {
-    bodyParams["ResourceId"] = input.ResourceId;
-  }
-  return bodyParams;
+  return {
+    ...(input.EntityId !== undefined && { EntityId: input.EntityId }),
+    ...(input.OrganizationId !== undefined && {
+      OrganizationId: input.OrganizationId
+    }),
+    ...(input.ResourceId !== undefined && { ResourceId: input.ResourceId })
+  };
 };
 
 const serializeAws_json1_1AssociateMemberToGroupRequest = (
   input: AssociateMemberToGroupRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.GroupId !== undefined) {
-    bodyParams["GroupId"] = input.GroupId;
-  }
-  if (input.MemberId !== undefined) {
-    bodyParams["MemberId"] = input.MemberId;
-  }
-  if (input.OrganizationId !== undefined) {
-    bodyParams["OrganizationId"] = input.OrganizationId;
-  }
-  return bodyParams;
+  return {
+    ...(input.GroupId !== undefined && { GroupId: input.GroupId }),
+    ...(input.MemberId !== undefined && { MemberId: input.MemberId }),
+    ...(input.OrganizationId !== undefined && {
+      OrganizationId: input.OrganizationId
+    })
+  };
 };
 
 const serializeAws_json1_1BookingOptions = (
   input: BookingOptions,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.AutoAcceptRequests !== undefined) {
-    bodyParams["AutoAcceptRequests"] = input.AutoAcceptRequests;
-  }
-  if (input.AutoDeclineConflictingRequests !== undefined) {
-    bodyParams["AutoDeclineConflictingRequests"] =
-      input.AutoDeclineConflictingRequests;
-  }
-  if (input.AutoDeclineRecurringRequests !== undefined) {
-    bodyParams["AutoDeclineRecurringRequests"] =
-      input.AutoDeclineRecurringRequests;
-  }
-  return bodyParams;
+  return {
+    ...(input.AutoAcceptRequests !== undefined && {
+      AutoAcceptRequests: input.AutoAcceptRequests
+    }),
+    ...(input.AutoDeclineConflictingRequests !== undefined && {
+      AutoDeclineConflictingRequests: input.AutoDeclineConflictingRequests
+    }),
+    ...(input.AutoDeclineRecurringRequests !== undefined && {
+      AutoDeclineRecurringRequests: input.AutoDeclineRecurringRequests
+    })
+  };
 };
 
 const serializeAws_json1_1CreateAliasRequest = (
   input: CreateAliasRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Alias !== undefined) {
-    bodyParams["Alias"] = input.Alias;
-  }
-  if (input.EntityId !== undefined) {
-    bodyParams["EntityId"] = input.EntityId;
-  }
-  if (input.OrganizationId !== undefined) {
-    bodyParams["OrganizationId"] = input.OrganizationId;
-  }
-  return bodyParams;
+  return {
+    ...(input.Alias !== undefined && { Alias: input.Alias }),
+    ...(input.EntityId !== undefined && { EntityId: input.EntityId }),
+    ...(input.OrganizationId !== undefined && {
+      OrganizationId: input.OrganizationId
+    })
+  };
 };
 
 const serializeAws_json1_1CreateGroupRequest = (
   input: CreateGroupRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.OrganizationId !== undefined) {
-    bodyParams["OrganizationId"] = input.OrganizationId;
-  }
-  return bodyParams;
+  return {
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.OrganizationId !== undefined && {
+      OrganizationId: input.OrganizationId
+    })
+  };
 };
 
 const serializeAws_json1_1CreateResourceRequest = (
   input: CreateResourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.OrganizationId !== undefined) {
-    bodyParams["OrganizationId"] = input.OrganizationId;
-  }
-  if (input.Type !== undefined) {
-    bodyParams["Type"] = input.Type;
-  }
-  return bodyParams;
+  return {
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.OrganizationId !== undefined && {
+      OrganizationId: input.OrganizationId
+    }),
+    ...(input.Type !== undefined && { Type: input.Type })
+  };
 };
 
 const serializeAws_json1_1CreateUserRequest = (
   input: CreateUserRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DisplayName !== undefined) {
-    bodyParams["DisplayName"] = input.DisplayName;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.OrganizationId !== undefined) {
-    bodyParams["OrganizationId"] = input.OrganizationId;
-  }
-  if (input.Password !== undefined) {
-    bodyParams["Password"] = input.Password;
-  }
-  return bodyParams;
+  return {
+    ...(input.DisplayName !== undefined && { DisplayName: input.DisplayName }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.OrganizationId !== undefined && {
+      OrganizationId: input.OrganizationId
+    }),
+    ...(input.Password !== undefined && { Password: input.Password })
+  };
 };
 
 const serializeAws_json1_1DeleteAliasRequest = (
   input: DeleteAliasRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Alias !== undefined) {
-    bodyParams["Alias"] = input.Alias;
-  }
-  if (input.EntityId !== undefined) {
-    bodyParams["EntityId"] = input.EntityId;
-  }
-  if (input.OrganizationId !== undefined) {
-    bodyParams["OrganizationId"] = input.OrganizationId;
-  }
-  return bodyParams;
+  return {
+    ...(input.Alias !== undefined && { Alias: input.Alias }),
+    ...(input.EntityId !== undefined && { EntityId: input.EntityId }),
+    ...(input.OrganizationId !== undefined && {
+      OrganizationId: input.OrganizationId
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteGroupRequest = (
   input: DeleteGroupRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.GroupId !== undefined) {
-    bodyParams["GroupId"] = input.GroupId;
-  }
-  if (input.OrganizationId !== undefined) {
-    bodyParams["OrganizationId"] = input.OrganizationId;
-  }
-  return bodyParams;
+  return {
+    ...(input.GroupId !== undefined && { GroupId: input.GroupId }),
+    ...(input.OrganizationId !== undefined && {
+      OrganizationId: input.OrganizationId
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteMailboxPermissionsRequest = (
   input: DeleteMailboxPermissionsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EntityId !== undefined) {
-    bodyParams["EntityId"] = input.EntityId;
-  }
-  if (input.GranteeId !== undefined) {
-    bodyParams["GranteeId"] = input.GranteeId;
-  }
-  if (input.OrganizationId !== undefined) {
-    bodyParams["OrganizationId"] = input.OrganizationId;
-  }
-  return bodyParams;
+  return {
+    ...(input.EntityId !== undefined && { EntityId: input.EntityId }),
+    ...(input.GranteeId !== undefined && { GranteeId: input.GranteeId }),
+    ...(input.OrganizationId !== undefined && {
+      OrganizationId: input.OrganizationId
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteResourceRequest = (
   input: DeleteResourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.OrganizationId !== undefined) {
-    bodyParams["OrganizationId"] = input.OrganizationId;
-  }
-  if (input.ResourceId !== undefined) {
-    bodyParams["ResourceId"] = input.ResourceId;
-  }
-  return bodyParams;
+  return {
+    ...(input.OrganizationId !== undefined && {
+      OrganizationId: input.OrganizationId
+    }),
+    ...(input.ResourceId !== undefined && { ResourceId: input.ResourceId })
+  };
 };
 
 const serializeAws_json1_1DeleteUserRequest = (
   input: DeleteUserRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.OrganizationId !== undefined) {
-    bodyParams["OrganizationId"] = input.OrganizationId;
-  }
-  if (input.UserId !== undefined) {
-    bodyParams["UserId"] = input.UserId;
-  }
-  return bodyParams;
+  return {
+    ...(input.OrganizationId !== undefined && {
+      OrganizationId: input.OrganizationId
+    }),
+    ...(input.UserId !== undefined && { UserId: input.UserId })
+  };
 };
 
 const serializeAws_json1_1DeregisterFromWorkMailRequest = (
   input: DeregisterFromWorkMailRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EntityId !== undefined) {
-    bodyParams["EntityId"] = input.EntityId;
-  }
-  if (input.OrganizationId !== undefined) {
-    bodyParams["OrganizationId"] = input.OrganizationId;
-  }
-  return bodyParams;
+  return {
+    ...(input.EntityId !== undefined && { EntityId: input.EntityId }),
+    ...(input.OrganizationId !== undefined && {
+      OrganizationId: input.OrganizationId
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeGroupRequest = (
   input: DescribeGroupRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.GroupId !== undefined) {
-    bodyParams["GroupId"] = input.GroupId;
-  }
-  if (input.OrganizationId !== undefined) {
-    bodyParams["OrganizationId"] = input.OrganizationId;
-  }
-  return bodyParams;
+  return {
+    ...(input.GroupId !== undefined && { GroupId: input.GroupId }),
+    ...(input.OrganizationId !== undefined && {
+      OrganizationId: input.OrganizationId
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeOrganizationRequest = (
   input: DescribeOrganizationRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.OrganizationId !== undefined) {
-    bodyParams["OrganizationId"] = input.OrganizationId;
-  }
-  return bodyParams;
+  return {
+    ...(input.OrganizationId !== undefined && {
+      OrganizationId: input.OrganizationId
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeResourceRequest = (
   input: DescribeResourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.OrganizationId !== undefined) {
-    bodyParams["OrganizationId"] = input.OrganizationId;
-  }
-  if (input.ResourceId !== undefined) {
-    bodyParams["ResourceId"] = input.ResourceId;
-  }
-  return bodyParams;
+  return {
+    ...(input.OrganizationId !== undefined && {
+      OrganizationId: input.OrganizationId
+    }),
+    ...(input.ResourceId !== undefined && { ResourceId: input.ResourceId })
+  };
 };
 
 const serializeAws_json1_1DescribeUserRequest = (
   input: DescribeUserRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.OrganizationId !== undefined) {
-    bodyParams["OrganizationId"] = input.OrganizationId;
-  }
-  if (input.UserId !== undefined) {
-    bodyParams["UserId"] = input.UserId;
-  }
-  return bodyParams;
+  return {
+    ...(input.OrganizationId !== undefined && {
+      OrganizationId: input.OrganizationId
+    }),
+    ...(input.UserId !== undefined && { UserId: input.UserId })
+  };
 };
 
 const serializeAws_json1_1DisassociateDelegateFromResourceRequest = (
   input: DisassociateDelegateFromResourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EntityId !== undefined) {
-    bodyParams["EntityId"] = input.EntityId;
-  }
-  if (input.OrganizationId !== undefined) {
-    bodyParams["OrganizationId"] = input.OrganizationId;
-  }
-  if (input.ResourceId !== undefined) {
-    bodyParams["ResourceId"] = input.ResourceId;
-  }
-  return bodyParams;
+  return {
+    ...(input.EntityId !== undefined && { EntityId: input.EntityId }),
+    ...(input.OrganizationId !== undefined && {
+      OrganizationId: input.OrganizationId
+    }),
+    ...(input.ResourceId !== undefined && { ResourceId: input.ResourceId })
+  };
 };
 
 const serializeAws_json1_1DisassociateMemberFromGroupRequest = (
   input: DisassociateMemberFromGroupRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.GroupId !== undefined) {
-    bodyParams["GroupId"] = input.GroupId;
-  }
-  if (input.MemberId !== undefined) {
-    bodyParams["MemberId"] = input.MemberId;
-  }
-  if (input.OrganizationId !== undefined) {
-    bodyParams["OrganizationId"] = input.OrganizationId;
-  }
-  return bodyParams;
+  return {
+    ...(input.GroupId !== undefined && { GroupId: input.GroupId }),
+    ...(input.MemberId !== undefined && { MemberId: input.MemberId }),
+    ...(input.OrganizationId !== undefined && {
+      OrganizationId: input.OrganizationId
+    })
+  };
 };
 
 const serializeAws_json1_1GetMailboxDetailsRequest = (
   input: GetMailboxDetailsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.OrganizationId !== undefined) {
-    bodyParams["OrganizationId"] = input.OrganizationId;
-  }
-  if (input.UserId !== undefined) {
-    bodyParams["UserId"] = input.UserId;
-  }
-  return bodyParams;
+  return {
+    ...(input.OrganizationId !== undefined && {
+      OrganizationId: input.OrganizationId
+    }),
+    ...(input.UserId !== undefined && { UserId: input.UserId })
+  };
 };
 
 const serializeAws_json1_1ListAliasesRequest = (
   input: ListAliasesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EntityId !== undefined) {
-    bodyParams["EntityId"] = input.EntityId;
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.OrganizationId !== undefined) {
-    bodyParams["OrganizationId"] = input.OrganizationId;
-  }
-  return bodyParams;
+  return {
+    ...(input.EntityId !== undefined && { EntityId: input.EntityId }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.OrganizationId !== undefined && {
+      OrganizationId: input.OrganizationId
+    })
+  };
 };
 
 const serializeAws_json1_1ListGroupMembersRequest = (
   input: ListGroupMembersRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.GroupId !== undefined) {
-    bodyParams["GroupId"] = input.GroupId;
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.OrganizationId !== undefined) {
-    bodyParams["OrganizationId"] = input.OrganizationId;
-  }
-  return bodyParams;
+  return {
+    ...(input.GroupId !== undefined && { GroupId: input.GroupId }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.OrganizationId !== undefined && {
+      OrganizationId: input.OrganizationId
+    })
+  };
 };
 
 const serializeAws_json1_1ListGroupsRequest = (
   input: ListGroupsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.OrganizationId !== undefined) {
-    bodyParams["OrganizationId"] = input.OrganizationId;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.OrganizationId !== undefined && {
+      OrganizationId: input.OrganizationId
+    })
+  };
 };
 
 const serializeAws_json1_1ListMailboxPermissionsRequest = (
   input: ListMailboxPermissionsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EntityId !== undefined) {
-    bodyParams["EntityId"] = input.EntityId;
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.OrganizationId !== undefined) {
-    bodyParams["OrganizationId"] = input.OrganizationId;
-  }
-  return bodyParams;
+  return {
+    ...(input.EntityId !== undefined && { EntityId: input.EntityId }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.OrganizationId !== undefined && {
+      OrganizationId: input.OrganizationId
+    })
+  };
 };
 
 const serializeAws_json1_1ListOrganizationsRequest = (
   input: ListOrganizationsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1ListResourceDelegatesRequest = (
   input: ListResourceDelegatesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.OrganizationId !== undefined) {
-    bodyParams["OrganizationId"] = input.OrganizationId;
-  }
-  if (input.ResourceId !== undefined) {
-    bodyParams["ResourceId"] = input.ResourceId;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.OrganizationId !== undefined && {
+      OrganizationId: input.OrganizationId
+    }),
+    ...(input.ResourceId !== undefined && { ResourceId: input.ResourceId })
+  };
 };
 
 const serializeAws_json1_1ListResourcesRequest = (
   input: ListResourcesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.OrganizationId !== undefined) {
-    bodyParams["OrganizationId"] = input.OrganizationId;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.OrganizationId !== undefined && {
+      OrganizationId: input.OrganizationId
+    })
+  };
 };
 
 const serializeAws_json1_1ListUsersRequest = (
   input: ListUsersRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.OrganizationId !== undefined) {
-    bodyParams["OrganizationId"] = input.OrganizationId;
-  }
-  return bodyParams;
+  return {
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.OrganizationId !== undefined && {
+      OrganizationId: input.OrganizationId
+    })
+  };
 };
 
 const serializeAws_json1_1PermissionValues = (
@@ -5228,114 +5130,92 @@ const serializeAws_json1_1PutMailboxPermissionsRequest = (
   input: PutMailboxPermissionsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.EntityId !== undefined) {
-    bodyParams["EntityId"] = input.EntityId;
-  }
-  if (input.GranteeId !== undefined) {
-    bodyParams["GranteeId"] = input.GranteeId;
-  }
-  if (input.OrganizationId !== undefined) {
-    bodyParams["OrganizationId"] = input.OrganizationId;
-  }
-  if (input.PermissionValues !== undefined) {
-    bodyParams["PermissionValues"] = serializeAws_json1_1PermissionValues(
-      input.PermissionValues,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.EntityId !== undefined && { EntityId: input.EntityId }),
+    ...(input.GranteeId !== undefined && { GranteeId: input.GranteeId }),
+    ...(input.OrganizationId !== undefined && {
+      OrganizationId: input.OrganizationId
+    }),
+    ...(input.PermissionValues !== undefined && {
+      PermissionValues: serializeAws_json1_1PermissionValues(
+        input.PermissionValues,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1RegisterToWorkMailRequest = (
   input: RegisterToWorkMailRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Email !== undefined) {
-    bodyParams["Email"] = input.Email;
-  }
-  if (input.EntityId !== undefined) {
-    bodyParams["EntityId"] = input.EntityId;
-  }
-  if (input.OrganizationId !== undefined) {
-    bodyParams["OrganizationId"] = input.OrganizationId;
-  }
-  return bodyParams;
+  return {
+    ...(input.Email !== undefined && { Email: input.Email }),
+    ...(input.EntityId !== undefined && { EntityId: input.EntityId }),
+    ...(input.OrganizationId !== undefined && {
+      OrganizationId: input.OrganizationId
+    })
+  };
 };
 
 const serializeAws_json1_1ResetPasswordRequest = (
   input: ResetPasswordRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.OrganizationId !== undefined) {
-    bodyParams["OrganizationId"] = input.OrganizationId;
-  }
-  if (input.Password !== undefined) {
-    bodyParams["Password"] = input.Password;
-  }
-  if (input.UserId !== undefined) {
-    bodyParams["UserId"] = input.UserId;
-  }
-  return bodyParams;
+  return {
+    ...(input.OrganizationId !== undefined && {
+      OrganizationId: input.OrganizationId
+    }),
+    ...(input.Password !== undefined && { Password: input.Password }),
+    ...(input.UserId !== undefined && { UserId: input.UserId })
+  };
 };
 
 const serializeAws_json1_1UpdateMailboxQuotaRequest = (
   input: UpdateMailboxQuotaRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.MailboxQuota !== undefined) {
-    bodyParams["MailboxQuota"] = input.MailboxQuota;
-  }
-  if (input.OrganizationId !== undefined) {
-    bodyParams["OrganizationId"] = input.OrganizationId;
-  }
-  if (input.UserId !== undefined) {
-    bodyParams["UserId"] = input.UserId;
-  }
-  return bodyParams;
+  return {
+    ...(input.MailboxQuota !== undefined && {
+      MailboxQuota: input.MailboxQuota
+    }),
+    ...(input.OrganizationId !== undefined && {
+      OrganizationId: input.OrganizationId
+    }),
+    ...(input.UserId !== undefined && { UserId: input.UserId })
+  };
 };
 
 const serializeAws_json1_1UpdatePrimaryEmailAddressRequest = (
   input: UpdatePrimaryEmailAddressRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Email !== undefined) {
-    bodyParams["Email"] = input.Email;
-  }
-  if (input.EntityId !== undefined) {
-    bodyParams["EntityId"] = input.EntityId;
-  }
-  if (input.OrganizationId !== undefined) {
-    bodyParams["OrganizationId"] = input.OrganizationId;
-  }
-  return bodyParams;
+  return {
+    ...(input.Email !== undefined && { Email: input.Email }),
+    ...(input.EntityId !== undefined && { EntityId: input.EntityId }),
+    ...(input.OrganizationId !== undefined && {
+      OrganizationId: input.OrganizationId
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateResourceRequest = (
   input: UpdateResourceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.BookingOptions !== undefined) {
-    bodyParams["BookingOptions"] = serializeAws_json1_1BookingOptions(
-      input.BookingOptions,
-      context
-    );
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.OrganizationId !== undefined) {
-    bodyParams["OrganizationId"] = input.OrganizationId;
-  }
-  if (input.ResourceId !== undefined) {
-    bodyParams["ResourceId"] = input.ResourceId;
-  }
-  return bodyParams;
+  return {
+    ...(input.BookingOptions !== undefined && {
+      BookingOptions: serializeAws_json1_1BookingOptions(
+        input.BookingOptions,
+        context
+      )
+    }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.OrganizationId !== undefined && {
+      OrganizationId: input.OrganizationId
+    }),
+    ...(input.ResourceId !== undefined && { ResourceId: input.ResourceId })
+  };
 };
 
 const deserializeAws_json1_1Aliases = (
diff --git a/clients/client-workspaces/protocols/Aws_json1_1.ts b/clients/client-workspaces/protocols/Aws_json1_1.ts
index 7ada61f54759..2e519ef53f49 100644
--- a/clients/client-workspaces/protocols/Aws_json1_1.ts
+++ b/clients/client-workspaces/protocols/Aws_json1_1.ts
@@ -4643,34 +4643,24 @@ const serializeAws_json1_1AssociateIpGroupsRequest = (
   input: AssociateIpGroupsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DirectoryId !== undefined) {
-    bodyParams["DirectoryId"] = input.DirectoryId;
-  }
-  if (input.GroupIds !== undefined) {
-    bodyParams["GroupIds"] = serializeAws_json1_1IpGroupIdList(
-      input.GroupIds,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.DirectoryId !== undefined && { DirectoryId: input.DirectoryId }),
+    ...(input.GroupIds !== undefined && {
+      GroupIds: serializeAws_json1_1IpGroupIdList(input.GroupIds, context)
+    })
+  };
 };
 
 const serializeAws_json1_1AuthorizeIpRulesRequest = (
   input: AuthorizeIpRulesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.GroupId !== undefined) {
-    bodyParams["GroupId"] = input.GroupId;
-  }
-  if (input.UserRules !== undefined) {
-    bodyParams["UserRules"] = serializeAws_json1_1IpRuleList(
-      input.UserRules,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.GroupId !== undefined && { GroupId: input.GroupId }),
+    ...(input.UserRules !== undefined && {
+      UserRules: serializeAws_json1_1IpRuleList(input.UserRules, context)
+    })
+  };
 };
 
 const serializeAws_json1_1BundleIdList = (
@@ -4684,316 +4674,251 @@ const serializeAws_json1_1ClientProperties = (
   input: ClientProperties,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ReconnectEnabled !== undefined) {
-    bodyParams["ReconnectEnabled"] = input.ReconnectEnabled;
-  }
-  return bodyParams;
+  return {
+    ...(input.ReconnectEnabled !== undefined && {
+      ReconnectEnabled: input.ReconnectEnabled
+    })
+  };
 };
 
 const serializeAws_json1_1CopyWorkspaceImageRequest = (
   input: CopyWorkspaceImageRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Description !== undefined) {
-    bodyParams["Description"] = input.Description;
-  }
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.SourceImageId !== undefined) {
-    bodyParams["SourceImageId"] = input.SourceImageId;
-  }
-  if (input.SourceRegion !== undefined) {
-    bodyParams["SourceRegion"] = input.SourceRegion;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagList(input.Tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.Description !== undefined && { Description: input.Description }),
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.SourceImageId !== undefined && {
+      SourceImageId: input.SourceImageId
+    }),
+    ...(input.SourceRegion !== undefined && {
+      SourceRegion: input.SourceRegion
+    }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagList(input.Tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1CreateIpGroupRequest = (
   input: CreateIpGroupRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.GroupDesc !== undefined) {
-    bodyParams["GroupDesc"] = input.GroupDesc;
-  }
-  if (input.GroupName !== undefined) {
-    bodyParams["GroupName"] = input.GroupName;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagList(input.Tags, context);
-  }
-  if (input.UserRules !== undefined) {
-    bodyParams["UserRules"] = serializeAws_json1_1IpRuleList(
-      input.UserRules,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.GroupDesc !== undefined && { GroupDesc: input.GroupDesc }),
+    ...(input.GroupName !== undefined && { GroupName: input.GroupName }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagList(input.Tags, context)
+    }),
+    ...(input.UserRules !== undefined && {
+      UserRules: serializeAws_json1_1IpRuleList(input.UserRules, context)
+    })
+  };
 };
 
 const serializeAws_json1_1CreateTagsRequest = (
   input: CreateTagsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceId !== undefined) {
-    bodyParams["ResourceId"] = input.ResourceId;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagList(input.Tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceId !== undefined && { ResourceId: input.ResourceId }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagList(input.Tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1CreateWorkspacesRequest = (
   input: CreateWorkspacesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Workspaces !== undefined) {
-    bodyParams["Workspaces"] = serializeAws_json1_1WorkspaceRequestList(
-      input.Workspaces,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Workspaces !== undefined && {
+      Workspaces: serializeAws_json1_1WorkspaceRequestList(
+        input.Workspaces,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteIpGroupRequest = (
   input: DeleteIpGroupRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.GroupId !== undefined) {
-    bodyParams["GroupId"] = input.GroupId;
-  }
-  return bodyParams;
+  return {
+    ...(input.GroupId !== undefined && { GroupId: input.GroupId })
+  };
 };
 
 const serializeAws_json1_1DeleteTagsRequest = (
   input: DeleteTagsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceId !== undefined) {
-    bodyParams["ResourceId"] = input.ResourceId;
-  }
-  if (input.TagKeys !== undefined) {
-    bodyParams["TagKeys"] = serializeAws_json1_1TagKeyList(
-      input.TagKeys,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceId !== undefined && { ResourceId: input.ResourceId }),
+    ...(input.TagKeys !== undefined && {
+      TagKeys: serializeAws_json1_1TagKeyList(input.TagKeys, context)
+    })
+  };
 };
 
 const serializeAws_json1_1DeleteWorkspaceImageRequest = (
   input: DeleteWorkspaceImageRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ImageId !== undefined) {
-    bodyParams["ImageId"] = input.ImageId;
-  }
-  return bodyParams;
+  return {
+    ...(input.ImageId !== undefined && { ImageId: input.ImageId })
+  };
 };
 
 const serializeAws_json1_1DeregisterWorkspaceDirectoryRequest = (
   input: DeregisterWorkspaceDirectoryRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DirectoryId !== undefined) {
-    bodyParams["DirectoryId"] = input.DirectoryId;
-  }
-  return bodyParams;
+  return {
+    ...(input.DirectoryId !== undefined && { DirectoryId: input.DirectoryId })
+  };
 };
 
 const serializeAws_json1_1DescribeAccountModificationsRequest = (
   input: DescribeAccountModificationsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1DescribeAccountRequest = (
   input: DescribeAccountRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  return bodyParams;
+  return {};
 };
 
 const serializeAws_json1_1DescribeClientPropertiesRequest = (
   input: DescribeClientPropertiesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceIds !== undefined) {
-    bodyParams["ResourceIds"] = serializeAws_json1_1ResourceIdList(
-      input.ResourceIds,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceIds !== undefined && {
+      ResourceIds: serializeAws_json1_1ResourceIdList(
+        input.ResourceIds,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeIpGroupsRequest = (
   input: DescribeIpGroupsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.GroupIds !== undefined) {
-    bodyParams["GroupIds"] = serializeAws_json1_1IpGroupIdList(
-      input.GroupIds,
-      context
-    );
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.GroupIds !== undefined && {
+      GroupIds: serializeAws_json1_1IpGroupIdList(input.GroupIds, context)
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1DescribeTagsRequest = (
   input: DescribeTagsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceId !== undefined) {
-    bodyParams["ResourceId"] = input.ResourceId;
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceId !== undefined && { ResourceId: input.ResourceId })
+  };
 };
 
 const serializeAws_json1_1DescribeWorkspaceBundlesRequest = (
   input: DescribeWorkspaceBundlesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.BundleIds !== undefined) {
-    bodyParams["BundleIds"] = serializeAws_json1_1BundleIdList(
-      input.BundleIds,
-      context
-    );
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.Owner !== undefined) {
-    bodyParams["Owner"] = input.Owner;
-  }
-  return bodyParams;
+  return {
+    ...(input.BundleIds !== undefined && {
+      BundleIds: serializeAws_json1_1BundleIdList(input.BundleIds, context)
+    }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.Owner !== undefined && { Owner: input.Owner })
+  };
 };
 
 const serializeAws_json1_1DescribeWorkspaceDirectoriesRequest = (
   input: DescribeWorkspaceDirectoriesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DirectoryIds !== undefined) {
-    bodyParams["DirectoryIds"] = serializeAws_json1_1DirectoryIdList(
-      input.DirectoryIds,
-      context
-    );
-  }
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.DirectoryIds !== undefined && {
+      DirectoryIds: serializeAws_json1_1DirectoryIdList(
+        input.DirectoryIds,
+        context
+      )
+    }),
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1DescribeWorkspaceImagesRequest = (
   input: DescribeWorkspaceImagesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ImageIds !== undefined) {
-    bodyParams["ImageIds"] = serializeAws_json1_1WorkspaceImageIdList(
-      input.ImageIds,
-      context
-    );
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.ImageIds !== undefined && {
+      ImageIds: serializeAws_json1_1WorkspaceImageIdList(
+        input.ImageIds,
+        context
+      )
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1DescribeWorkspaceSnapshotsRequest = (
   input: DescribeWorkspaceSnapshotsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.WorkspaceId !== undefined) {
-    bodyParams["WorkspaceId"] = input.WorkspaceId;
-  }
-  return bodyParams;
+  return {
+    ...(input.WorkspaceId !== undefined && { WorkspaceId: input.WorkspaceId })
+  };
 };
 
 const serializeAws_json1_1DescribeWorkspacesConnectionStatusRequest = (
   input: DescribeWorkspacesConnectionStatusRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.WorkspaceIds !== undefined) {
-    bodyParams["WorkspaceIds"] = serializeAws_json1_1WorkspaceIdList(
-      input.WorkspaceIds,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.WorkspaceIds !== undefined && {
+      WorkspaceIds: serializeAws_json1_1WorkspaceIdList(
+        input.WorkspaceIds,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1DescribeWorkspacesRequest = (
   input: DescribeWorkspacesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.BundleId !== undefined) {
-    bodyParams["BundleId"] = input.BundleId;
-  }
-  if (input.DirectoryId !== undefined) {
-    bodyParams["DirectoryId"] = input.DirectoryId;
-  }
-  if (input.Limit !== undefined) {
-    bodyParams["Limit"] = input.Limit;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  if (input.UserName !== undefined) {
-    bodyParams["UserName"] = input.UserName;
-  }
-  if (input.WorkspaceIds !== undefined) {
-    bodyParams["WorkspaceIds"] = serializeAws_json1_1WorkspaceIdList(
-      input.WorkspaceIds,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.BundleId !== undefined && { BundleId: input.BundleId }),
+    ...(input.DirectoryId !== undefined && { DirectoryId: input.DirectoryId }),
+    ...(input.Limit !== undefined && { Limit: input.Limit }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken }),
+    ...(input.UserName !== undefined && { UserName: input.UserName }),
+    ...(input.WorkspaceIds !== undefined && {
+      WorkspaceIds: serializeAws_json1_1WorkspaceIdList(
+        input.WorkspaceIds,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1DirectoryIdList = (
@@ -5007,40 +4932,31 @@ const serializeAws_json1_1DisassociateIpGroupsRequest = (
   input: DisassociateIpGroupsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DirectoryId !== undefined) {
-    bodyParams["DirectoryId"] = input.DirectoryId;
-  }
-  if (input.GroupIds !== undefined) {
-    bodyParams["GroupIds"] = serializeAws_json1_1IpGroupIdList(
-      input.GroupIds,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.DirectoryId !== undefined && { DirectoryId: input.DirectoryId }),
+    ...(input.GroupIds !== undefined && {
+      GroupIds: serializeAws_json1_1IpGroupIdList(input.GroupIds, context)
+    })
+  };
 };
 
 const serializeAws_json1_1ImportWorkspaceImageRequest = (
   input: ImportWorkspaceImageRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Ec2ImageId !== undefined) {
-    bodyParams["Ec2ImageId"] = input.Ec2ImageId;
-  }
-  if (input.ImageDescription !== undefined) {
-    bodyParams["ImageDescription"] = input.ImageDescription;
-  }
-  if (input.ImageName !== undefined) {
-    bodyParams["ImageName"] = input.ImageName;
-  }
-  if (input.IngestionProcess !== undefined) {
-    bodyParams["IngestionProcess"] = input.IngestionProcess;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagList(input.Tags, context);
-  }
-  return bodyParams;
+  return {
+    ...(input.Ec2ImageId !== undefined && { Ec2ImageId: input.Ec2ImageId }),
+    ...(input.ImageDescription !== undefined && {
+      ImageDescription: input.ImageDescription
+    }),
+    ...(input.ImageName !== undefined && { ImageName: input.ImageName }),
+    ...(input.IngestionProcess !== undefined && {
+      IngestionProcess: input.IngestionProcess
+    }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagList(input.Tags, context)
+    })
+  };
 };
 
 const serializeAws_json1_1IpGroupIdList = (
@@ -5061,14 +4977,10 @@ const serializeAws_json1_1IpRuleItem = (
   input: IpRuleItem,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ipRule !== undefined) {
-    bodyParams["ipRule"] = input.ipRule;
-  }
-  if (input.ruleDesc !== undefined) {
-    bodyParams["ruleDesc"] = input.ruleDesc;
-  }
-  return bodyParams;
+  return {
+    ...(input.ipRule !== undefined && { ipRule: input.ipRule }),
+    ...(input.ruleDesc !== undefined && { ruleDesc: input.ruleDesc })
+  };
 };
 
 const serializeAws_json1_1IpRuleList = (
@@ -5082,163 +4994,136 @@ const serializeAws_json1_1ListAvailableManagementCidrRangesRequest = (
   input: ListAvailableManagementCidrRangesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ManagementCidrRangeConstraint !== undefined) {
-    bodyParams["ManagementCidrRangeConstraint"] =
-      input.ManagementCidrRangeConstraint;
-  }
-  if (input.MaxResults !== undefined) {
-    bodyParams["MaxResults"] = input.MaxResults;
-  }
-  if (input.NextToken !== undefined) {
-    bodyParams["NextToken"] = input.NextToken;
-  }
-  return bodyParams;
+  return {
+    ...(input.ManagementCidrRangeConstraint !== undefined && {
+      ManagementCidrRangeConstraint: input.ManagementCidrRangeConstraint
+    }),
+    ...(input.MaxResults !== undefined && { MaxResults: input.MaxResults }),
+    ...(input.NextToken !== undefined && { NextToken: input.NextToken })
+  };
 };
 
 const serializeAws_json1_1MigrateWorkspaceRequest = (
   input: MigrateWorkspaceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.BundleId !== undefined) {
-    bodyParams["BundleId"] = input.BundleId;
-  }
-  if (input.SourceWorkspaceId !== undefined) {
-    bodyParams["SourceWorkspaceId"] = input.SourceWorkspaceId;
-  }
-  return bodyParams;
+  return {
+    ...(input.BundleId !== undefined && { BundleId: input.BundleId }),
+    ...(input.SourceWorkspaceId !== undefined && {
+      SourceWorkspaceId: input.SourceWorkspaceId
+    })
+  };
 };
 
 const serializeAws_json1_1ModifyAccountRequest = (
   input: ModifyAccountRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DedicatedTenancyManagementCidrRange !== undefined) {
-    bodyParams["DedicatedTenancyManagementCidrRange"] =
-      input.DedicatedTenancyManagementCidrRange;
-  }
-  if (input.DedicatedTenancySupport !== undefined) {
-    bodyParams["DedicatedTenancySupport"] = input.DedicatedTenancySupport;
-  }
-  return bodyParams;
+  return {
+    ...(input.DedicatedTenancyManagementCidrRange !== undefined && {
+      DedicatedTenancyManagementCidrRange:
+        input.DedicatedTenancyManagementCidrRange
+    }),
+    ...(input.DedicatedTenancySupport !== undefined && {
+      DedicatedTenancySupport: input.DedicatedTenancySupport
+    })
+  };
 };
 
 const serializeAws_json1_1ModifyClientPropertiesRequest = (
   input: ModifyClientPropertiesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ClientProperties !== undefined) {
-    bodyParams["ClientProperties"] = serializeAws_json1_1ClientProperties(
-      input.ClientProperties,
-      context
-    );
-  }
-  if (input.ResourceId !== undefined) {
-    bodyParams["ResourceId"] = input.ResourceId;
-  }
-  return bodyParams;
+  return {
+    ...(input.ClientProperties !== undefined && {
+      ClientProperties: serializeAws_json1_1ClientProperties(
+        input.ClientProperties,
+        context
+      )
+    }),
+    ...(input.ResourceId !== undefined && { ResourceId: input.ResourceId })
+  };
 };
 
 const serializeAws_json1_1ModifySelfservicePermissionsRequest = (
   input: ModifySelfservicePermissionsRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceId !== undefined) {
-    bodyParams["ResourceId"] = input.ResourceId;
-  }
-  if (input.SelfservicePermissions !== undefined) {
-    bodyParams[
-      "SelfservicePermissions"
-    ] = serializeAws_json1_1SelfservicePermissions(
-      input.SelfservicePermissions,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceId !== undefined && { ResourceId: input.ResourceId }),
+    ...(input.SelfservicePermissions !== undefined && {
+      SelfservicePermissions: serializeAws_json1_1SelfservicePermissions(
+        input.SelfservicePermissions,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1ModifyWorkspaceAccessPropertiesRequest = (
   input: ModifyWorkspaceAccessPropertiesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceId !== undefined) {
-    bodyParams["ResourceId"] = input.ResourceId;
-  }
-  if (input.WorkspaceAccessProperties !== undefined) {
-    bodyParams[
-      "WorkspaceAccessProperties"
-    ] = serializeAws_json1_1WorkspaceAccessProperties(
-      input.WorkspaceAccessProperties,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceId !== undefined && { ResourceId: input.ResourceId }),
+    ...(input.WorkspaceAccessProperties !== undefined && {
+      WorkspaceAccessProperties: serializeAws_json1_1WorkspaceAccessProperties(
+        input.WorkspaceAccessProperties,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1ModifyWorkspaceCreationPropertiesRequest = (
   input: ModifyWorkspaceCreationPropertiesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ResourceId !== undefined) {
-    bodyParams["ResourceId"] = input.ResourceId;
-  }
-  if (input.WorkspaceCreationProperties !== undefined) {
-    bodyParams[
-      "WorkspaceCreationProperties"
-    ] = serializeAws_json1_1WorkspaceCreationProperties(
-      input.WorkspaceCreationProperties,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.ResourceId !== undefined && { ResourceId: input.ResourceId }),
+    ...(input.WorkspaceCreationProperties !== undefined && {
+      WorkspaceCreationProperties: serializeAws_json1_1WorkspaceCreationProperties(
+        input.WorkspaceCreationProperties,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1ModifyWorkspacePropertiesRequest = (
   input: ModifyWorkspacePropertiesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.WorkspaceId !== undefined) {
-    bodyParams["WorkspaceId"] = input.WorkspaceId;
-  }
-  if (input.WorkspaceProperties !== undefined) {
-    bodyParams["WorkspaceProperties"] = serializeAws_json1_1WorkspaceProperties(
-      input.WorkspaceProperties,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.WorkspaceId !== undefined && { WorkspaceId: input.WorkspaceId }),
+    ...(input.WorkspaceProperties !== undefined && {
+      WorkspaceProperties: serializeAws_json1_1WorkspaceProperties(
+        input.WorkspaceProperties,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1ModifyWorkspaceStateRequest = (
   input: ModifyWorkspaceStateRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.WorkspaceId !== undefined) {
-    bodyParams["WorkspaceId"] = input.WorkspaceId;
-  }
-  if (input.WorkspaceState !== undefined) {
-    bodyParams["WorkspaceState"] = input.WorkspaceState;
-  }
-  return bodyParams;
+  return {
+    ...(input.WorkspaceId !== undefined && { WorkspaceId: input.WorkspaceId }),
+    ...(input.WorkspaceState !== undefined && {
+      WorkspaceState: input.WorkspaceState
+    })
+  };
 };
 
 const serializeAws_json1_1RebootRequest = (
   input: RebootRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.WorkspaceId !== undefined) {
-    bodyParams["WorkspaceId"] = input.WorkspaceId;
-  }
-  return bodyParams;
+  return {
+    ...(input.WorkspaceId !== undefined && { WorkspaceId: input.WorkspaceId })
+  };
 };
 
 const serializeAws_json1_1RebootWorkspaceRequests = (
@@ -5252,27 +5137,23 @@ const serializeAws_json1_1RebootWorkspacesRequest = (
   input: RebootWorkspacesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.RebootWorkspaceRequests !== undefined) {
-    bodyParams[
-      "RebootWorkspaceRequests"
-    ] = serializeAws_json1_1RebootWorkspaceRequests(
-      input.RebootWorkspaceRequests,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.RebootWorkspaceRequests !== undefined && {
+      RebootWorkspaceRequests: serializeAws_json1_1RebootWorkspaceRequests(
+        input.RebootWorkspaceRequests,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1RebuildRequest = (
   input: RebuildRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.WorkspaceId !== undefined) {
-    bodyParams["WorkspaceId"] = input.WorkspaceId;
-  }
-  return bodyParams;
+  return {
+    ...(input.WorkspaceId !== undefined && { WorkspaceId: input.WorkspaceId })
+  };
 };
 
 const serializeAws_json1_1RebuildWorkspaceRequests = (
@@ -5286,45 +5167,36 @@ const serializeAws_json1_1RebuildWorkspacesRequest = (
   input: RebuildWorkspacesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.RebuildWorkspaceRequests !== undefined) {
-    bodyParams[
-      "RebuildWorkspaceRequests"
-    ] = serializeAws_json1_1RebuildWorkspaceRequests(
-      input.RebuildWorkspaceRequests,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.RebuildWorkspaceRequests !== undefined && {
+      RebuildWorkspaceRequests: serializeAws_json1_1RebuildWorkspaceRequests(
+        input.RebuildWorkspaceRequests,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1RegisterWorkspaceDirectoryRequest = (
   input: RegisterWorkspaceDirectoryRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DirectoryId !== undefined) {
-    bodyParams["DirectoryId"] = input.DirectoryId;
-  }
-  if (input.EnableSelfService !== undefined) {
-    bodyParams["EnableSelfService"] = input.EnableSelfService;
-  }
-  if (input.EnableWorkDocs !== undefined) {
-    bodyParams["EnableWorkDocs"] = input.EnableWorkDocs;
-  }
-  if (input.SubnetIds !== undefined) {
-    bodyParams["SubnetIds"] = serializeAws_json1_1SubnetIds(
-      input.SubnetIds,
-      context
-    );
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagList(input.Tags, context);
-  }
-  if (input.Tenancy !== undefined) {
-    bodyParams["Tenancy"] = input.Tenancy;
-  }
-  return bodyParams;
+  return {
+    ...(input.DirectoryId !== undefined && { DirectoryId: input.DirectoryId }),
+    ...(input.EnableSelfService !== undefined && {
+      EnableSelfService: input.EnableSelfService
+    }),
+    ...(input.EnableWorkDocs !== undefined && {
+      EnableWorkDocs: input.EnableWorkDocs
+    }),
+    ...(input.SubnetIds !== undefined && {
+      SubnetIds: serializeAws_json1_1SubnetIds(input.SubnetIds, context)
+    }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagList(input.Tags, context)
+    }),
+    ...(input.Tenancy !== undefined && { Tenancy: input.Tenancy })
+  };
 };
 
 const serializeAws_json1_1ResourceIdList = (
@@ -5338,62 +5210,53 @@ const serializeAws_json1_1RestoreWorkspaceRequest = (
   input: RestoreWorkspaceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.WorkspaceId !== undefined) {
-    bodyParams["WorkspaceId"] = input.WorkspaceId;
-  }
-  return bodyParams;
+  return {
+    ...(input.WorkspaceId !== undefined && { WorkspaceId: input.WorkspaceId })
+  };
 };
 
 const serializeAws_json1_1RevokeIpRulesRequest = (
   input: RevokeIpRulesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.GroupId !== undefined) {
-    bodyParams["GroupId"] = input.GroupId;
-  }
-  if (input.UserRules !== undefined) {
-    bodyParams["UserRules"] = serializeAws_json1_1IpRevokedRuleList(
-      input.UserRules,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.GroupId !== undefined && { GroupId: input.GroupId }),
+    ...(input.UserRules !== undefined && {
+      UserRules: serializeAws_json1_1IpRevokedRuleList(input.UserRules, context)
+    })
+  };
 };
 
 const serializeAws_json1_1SelfservicePermissions = (
   input: SelfservicePermissions,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ChangeComputeType !== undefined) {
-    bodyParams["ChangeComputeType"] = input.ChangeComputeType;
-  }
-  if (input.IncreaseVolumeSize !== undefined) {
-    bodyParams["IncreaseVolumeSize"] = input.IncreaseVolumeSize;
-  }
-  if (input.RebuildWorkspace !== undefined) {
-    bodyParams["RebuildWorkspace"] = input.RebuildWorkspace;
-  }
-  if (input.RestartWorkspace !== undefined) {
-    bodyParams["RestartWorkspace"] = input.RestartWorkspace;
-  }
-  if (input.SwitchRunningMode !== undefined) {
-    bodyParams["SwitchRunningMode"] = input.SwitchRunningMode;
-  }
-  return bodyParams;
+  return {
+    ...(input.ChangeComputeType !== undefined && {
+      ChangeComputeType: input.ChangeComputeType
+    }),
+    ...(input.IncreaseVolumeSize !== undefined && {
+      IncreaseVolumeSize: input.IncreaseVolumeSize
+    }),
+    ...(input.RebuildWorkspace !== undefined && {
+      RebuildWorkspace: input.RebuildWorkspace
+    }),
+    ...(input.RestartWorkspace !== undefined && {
+      RestartWorkspace: input.RestartWorkspace
+    }),
+    ...(input.SwitchRunningMode !== undefined && {
+      SwitchRunningMode: input.SwitchRunningMode
+    })
+  };
 };
 
 const serializeAws_json1_1StartRequest = (
   input: StartRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.WorkspaceId !== undefined) {
-    bodyParams["WorkspaceId"] = input.WorkspaceId;
-  }
-  return bodyParams;
+  return {
+    ...(input.WorkspaceId !== undefined && { WorkspaceId: input.WorkspaceId })
+  };
 };
 
 const serializeAws_json1_1StartWorkspaceRequests = (
@@ -5407,27 +5270,23 @@ const serializeAws_json1_1StartWorkspacesRequest = (
   input: StartWorkspacesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.StartWorkspaceRequests !== undefined) {
-    bodyParams[
-      "StartWorkspaceRequests"
-    ] = serializeAws_json1_1StartWorkspaceRequests(
-      input.StartWorkspaceRequests,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.StartWorkspaceRequests !== undefined && {
+      StartWorkspaceRequests: serializeAws_json1_1StartWorkspaceRequests(
+        input.StartWorkspaceRequests,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1StopRequest = (
   input: StopRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.WorkspaceId !== undefined) {
-    bodyParams["WorkspaceId"] = input.WorkspaceId;
-  }
-  return bodyParams;
+  return {
+    ...(input.WorkspaceId !== undefined && { WorkspaceId: input.WorkspaceId })
+  };
 };
 
 const serializeAws_json1_1StopWorkspaceRequests = (
@@ -5441,16 +5300,14 @@ const serializeAws_json1_1StopWorkspacesRequest = (
   input: StopWorkspacesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.StopWorkspaceRequests !== undefined) {
-    bodyParams[
-      "StopWorkspaceRequests"
-    ] = serializeAws_json1_1StopWorkspaceRequests(
-      input.StopWorkspaceRequests,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.StopWorkspaceRequests !== undefined && {
+      StopWorkspaceRequests: serializeAws_json1_1StopWorkspaceRequests(
+        input.StopWorkspaceRequests,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1SubnetIds = (
@@ -5461,14 +5318,10 @@ const serializeAws_json1_1SubnetIds = (
 };
 
 const serializeAws_json1_1Tag = (input: Tag, context: __SerdeContext): any => {
-  const bodyParams: any = {};
-  if (input.Key !== undefined) {
-    bodyParams["Key"] = input.Key;
-  }
-  if (input.Value !== undefined) {
-    bodyParams["Value"] = input.Value;
-  }
-  return bodyParams;
+  return {
+    ...(input.Key !== undefined && { Key: input.Key }),
+    ...(input.Value !== undefined && { Value: input.Value })
+  };
 };
 
 const serializeAws_json1_1TagKeyList = (
@@ -5489,11 +5342,9 @@ const serializeAws_json1_1TerminateRequest = (
   input: TerminateRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.WorkspaceId !== undefined) {
-    bodyParams["WorkspaceId"] = input.WorkspaceId;
-  }
-  return bodyParams;
+  return {
+    ...(input.WorkspaceId !== undefined && { WorkspaceId: input.WorkspaceId })
+  };
 };
 
 const serializeAws_json1_1TerminateWorkspaceRequests = (
@@ -5509,86 +5360,76 @@ const serializeAws_json1_1TerminateWorkspacesRequest = (
   input: TerminateWorkspacesRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.TerminateWorkspaceRequests !== undefined) {
-    bodyParams[
-      "TerminateWorkspaceRequests"
-    ] = serializeAws_json1_1TerminateWorkspaceRequests(
-      input.TerminateWorkspaceRequests,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.TerminateWorkspaceRequests !== undefined && {
+      TerminateWorkspaceRequests: serializeAws_json1_1TerminateWorkspaceRequests(
+        input.TerminateWorkspaceRequests,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1UpdateRulesOfIpGroupRequest = (
   input: UpdateRulesOfIpGroupRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.GroupId !== undefined) {
-    bodyParams["GroupId"] = input.GroupId;
-  }
-  if (input.UserRules !== undefined) {
-    bodyParams["UserRules"] = serializeAws_json1_1IpRuleList(
-      input.UserRules,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.GroupId !== undefined && { GroupId: input.GroupId }),
+    ...(input.UserRules !== undefined && {
+      UserRules: serializeAws_json1_1IpRuleList(input.UserRules, context)
+    })
+  };
 };
 
 const serializeAws_json1_1WorkspaceAccessProperties = (
   input: WorkspaceAccessProperties,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.DeviceTypeAndroid !== undefined) {
-    bodyParams["DeviceTypeAndroid"] = input.DeviceTypeAndroid;
-  }
-  if (input.DeviceTypeChromeOs !== undefined) {
-    bodyParams["DeviceTypeChromeOs"] = input.DeviceTypeChromeOs;
-  }
-  if (input.DeviceTypeIos !== undefined) {
-    bodyParams["DeviceTypeIos"] = input.DeviceTypeIos;
-  }
-  if (input.DeviceTypeOsx !== undefined) {
-    bodyParams["DeviceTypeOsx"] = input.DeviceTypeOsx;
-  }
-  if (input.DeviceTypeWeb !== undefined) {
-    bodyParams["DeviceTypeWeb"] = input.DeviceTypeWeb;
-  }
-  if (input.DeviceTypeWindows !== undefined) {
-    bodyParams["DeviceTypeWindows"] = input.DeviceTypeWindows;
-  }
-  if (input.DeviceTypeZeroClient !== undefined) {
-    bodyParams["DeviceTypeZeroClient"] = input.DeviceTypeZeroClient;
-  }
-  return bodyParams;
+  return {
+    ...(input.DeviceTypeAndroid !== undefined && {
+      DeviceTypeAndroid: input.DeviceTypeAndroid
+    }),
+    ...(input.DeviceTypeChromeOs !== undefined && {
+      DeviceTypeChromeOs: input.DeviceTypeChromeOs
+    }),
+    ...(input.DeviceTypeIos !== undefined && {
+      DeviceTypeIos: input.DeviceTypeIos
+    }),
+    ...(input.DeviceTypeOsx !== undefined && {
+      DeviceTypeOsx: input.DeviceTypeOsx
+    }),
+    ...(input.DeviceTypeWeb !== undefined && {
+      DeviceTypeWeb: input.DeviceTypeWeb
+    }),
+    ...(input.DeviceTypeWindows !== undefined && {
+      DeviceTypeWindows: input.DeviceTypeWindows
+    }),
+    ...(input.DeviceTypeZeroClient !== undefined && {
+      DeviceTypeZeroClient: input.DeviceTypeZeroClient
+    })
+  };
 };
 
 const serializeAws_json1_1WorkspaceCreationProperties = (
   input: WorkspaceCreationProperties,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.CustomSecurityGroupId !== undefined) {
-    bodyParams["CustomSecurityGroupId"] = input.CustomSecurityGroupId;
-  }
-  if (input.DefaultOu !== undefined) {
-    bodyParams["DefaultOu"] = input.DefaultOu;
-  }
-  if (input.EnableInternetAccess !== undefined) {
-    bodyParams["EnableInternetAccess"] = input.EnableInternetAccess;
-  }
-  if (input.EnableMaintenanceMode !== undefined) {
-    bodyParams["EnableMaintenanceMode"] = input.EnableMaintenanceMode;
-  }
-  if (input.UserEnabledAsLocalAdministrator !== undefined) {
-    bodyParams["UserEnabledAsLocalAdministrator"] =
-      input.UserEnabledAsLocalAdministrator;
-  }
-  return bodyParams;
+  return {
+    ...(input.CustomSecurityGroupId !== undefined && {
+      CustomSecurityGroupId: input.CustomSecurityGroupId
+    }),
+    ...(input.DefaultOu !== undefined && { DefaultOu: input.DefaultOu }),
+    ...(input.EnableInternetAccess !== undefined && {
+      EnableInternetAccess: input.EnableInternetAccess
+    }),
+    ...(input.EnableMaintenanceMode !== undefined && {
+      EnableMaintenanceMode: input.EnableMaintenanceMode
+    }),
+    ...(input.UserEnabledAsLocalAdministrator !== undefined && {
+      UserEnabledAsLocalAdministrator: input.UserEnabledAsLocalAdministrator
+    })
+  };
 };
 
 const serializeAws_json1_1WorkspaceIdList = (
@@ -5609,61 +5450,51 @@ const serializeAws_json1_1WorkspaceProperties = (
   input: WorkspaceProperties,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ComputeTypeName !== undefined) {
-    bodyParams["ComputeTypeName"] = input.ComputeTypeName;
-  }
-  if (input.RootVolumeSizeGib !== undefined) {
-    bodyParams["RootVolumeSizeGib"] = input.RootVolumeSizeGib;
-  }
-  if (input.RunningMode !== undefined) {
-    bodyParams["RunningMode"] = input.RunningMode;
-  }
-  if (input.RunningModeAutoStopTimeoutInMinutes !== undefined) {
-    bodyParams["RunningModeAutoStopTimeoutInMinutes"] =
-      input.RunningModeAutoStopTimeoutInMinutes;
-  }
-  if (input.UserVolumeSizeGib !== undefined) {
-    bodyParams["UserVolumeSizeGib"] = input.UserVolumeSizeGib;
-  }
-  return bodyParams;
+  return {
+    ...(input.ComputeTypeName !== undefined && {
+      ComputeTypeName: input.ComputeTypeName
+    }),
+    ...(input.RootVolumeSizeGib !== undefined && {
+      RootVolumeSizeGib: input.RootVolumeSizeGib
+    }),
+    ...(input.RunningMode !== undefined && { RunningMode: input.RunningMode }),
+    ...(input.RunningModeAutoStopTimeoutInMinutes !== undefined && {
+      RunningModeAutoStopTimeoutInMinutes:
+        input.RunningModeAutoStopTimeoutInMinutes
+    }),
+    ...(input.UserVolumeSizeGib !== undefined && {
+      UserVolumeSizeGib: input.UserVolumeSizeGib
+    })
+  };
 };
 
 const serializeAws_json1_1WorkspaceRequest = (
   input: WorkspaceRequest,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.BundleId !== undefined) {
-    bodyParams["BundleId"] = input.BundleId;
-  }
-  if (input.DirectoryId !== undefined) {
-    bodyParams["DirectoryId"] = input.DirectoryId;
-  }
-  if (input.RootVolumeEncryptionEnabled !== undefined) {
-    bodyParams["RootVolumeEncryptionEnabled"] =
-      input.RootVolumeEncryptionEnabled;
-  }
-  if (input.Tags !== undefined) {
-    bodyParams["Tags"] = serializeAws_json1_1TagList(input.Tags, context);
-  }
-  if (input.UserName !== undefined) {
-    bodyParams["UserName"] = input.UserName;
-  }
-  if (input.UserVolumeEncryptionEnabled !== undefined) {
-    bodyParams["UserVolumeEncryptionEnabled"] =
-      input.UserVolumeEncryptionEnabled;
-  }
-  if (input.VolumeEncryptionKey !== undefined) {
-    bodyParams["VolumeEncryptionKey"] = input.VolumeEncryptionKey;
-  }
-  if (input.WorkspaceProperties !== undefined) {
-    bodyParams["WorkspaceProperties"] = serializeAws_json1_1WorkspaceProperties(
-      input.WorkspaceProperties,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.BundleId !== undefined && { BundleId: input.BundleId }),
+    ...(input.DirectoryId !== undefined && { DirectoryId: input.DirectoryId }),
+    ...(input.RootVolumeEncryptionEnabled !== undefined && {
+      RootVolumeEncryptionEnabled: input.RootVolumeEncryptionEnabled
+    }),
+    ...(input.Tags !== undefined && {
+      Tags: serializeAws_json1_1TagList(input.Tags, context)
+    }),
+    ...(input.UserName !== undefined && { UserName: input.UserName }),
+    ...(input.UserVolumeEncryptionEnabled !== undefined && {
+      UserVolumeEncryptionEnabled: input.UserVolumeEncryptionEnabled
+    }),
+    ...(input.VolumeEncryptionKey !== undefined && {
+      VolumeEncryptionKey: input.VolumeEncryptionKey
+    }),
+    ...(input.WorkspaceProperties !== undefined && {
+      WorkspaceProperties: serializeAws_json1_1WorkspaceProperties(
+        input.WorkspaceProperties,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_json1_1WorkspaceRequestList = (
diff --git a/clients/client-xray/protocols/Aws_restJson1_1.ts b/clients/client-xray/protocols/Aws_restJson1_1.ts
index aff6ac99d524..11e5b3bd42e2 100644
--- a/clients/client-xray/protocols/Aws_restJson1_1.ts
+++ b/clients/client-xray/protocols/Aws_restJson1_1.ts
@@ -2443,149 +2443,99 @@ const serializeAws_restJson1_1BackendConnectionErrors = (
   input: BackendConnectionErrors,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.ConnectionRefusedCount !== undefined) {
-    bodyParams["ConnectionRefusedCount"] = input.ConnectionRefusedCount;
-  }
-  if (input.HTTPCode4XXCount !== undefined) {
-    bodyParams["HTTPCode4XXCount"] = input.HTTPCode4XXCount;
-  }
-  if (input.HTTPCode5XXCount !== undefined) {
-    bodyParams["HTTPCode5XXCount"] = input.HTTPCode5XXCount;
-  }
-  if (input.OtherCount !== undefined) {
-    bodyParams["OtherCount"] = input.OtherCount;
-  }
-  if (input.TimeoutCount !== undefined) {
-    bodyParams["TimeoutCount"] = input.TimeoutCount;
-  }
-  if (input.UnknownHostCount !== undefined) {
-    bodyParams["UnknownHostCount"] = input.UnknownHostCount;
-  }
-  return bodyParams;
+  return {
+    ...(input.ConnectionRefusedCount !== undefined && {
+      ConnectionRefusedCount: input.ConnectionRefusedCount
+    }),
+    ...(input.HTTPCode4XXCount !== undefined && {
+      HTTPCode4XXCount: input.HTTPCode4XXCount
+    }),
+    ...(input.HTTPCode5XXCount !== undefined && {
+      HTTPCode5XXCount: input.HTTPCode5XXCount
+    }),
+    ...(input.OtherCount !== undefined && { OtherCount: input.OtherCount }),
+    ...(input.TimeoutCount !== undefined && {
+      TimeoutCount: input.TimeoutCount
+    }),
+    ...(input.UnknownHostCount !== undefined && {
+      UnknownHostCount: input.UnknownHostCount
+    })
+  };
 };
 
 const serializeAws_restJson1_1SamplingRule = (
   input: SamplingRule,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Attributes !== undefined) {
-    bodyParams["Attributes"] = serializeAws_restJson1_1AttributeMap(
-      input.Attributes,
-      context
-    );
-  }
-  if (input.FixedRate !== undefined) {
-    bodyParams["FixedRate"] = input.FixedRate;
-  }
-  if (input.HTTPMethod !== undefined) {
-    bodyParams["HTTPMethod"] = input.HTTPMethod;
-  }
-  if (input.Host !== undefined) {
-    bodyParams["Host"] = input.Host;
-  }
-  if (input.Priority !== undefined) {
-    bodyParams["Priority"] = input.Priority;
-  }
-  if (input.ReservoirSize !== undefined) {
-    bodyParams["ReservoirSize"] = input.ReservoirSize;
-  }
-  if (input.ResourceARN !== undefined) {
-    bodyParams["ResourceARN"] = input.ResourceARN;
-  }
-  if (input.RuleARN !== undefined) {
-    bodyParams["RuleARN"] = input.RuleARN;
-  }
-  if (input.RuleName !== undefined) {
-    bodyParams["RuleName"] = input.RuleName;
-  }
-  if (input.ServiceName !== undefined) {
-    bodyParams["ServiceName"] = input.ServiceName;
-  }
-  if (input.ServiceType !== undefined) {
-    bodyParams["ServiceType"] = input.ServiceType;
-  }
-  if (input.URLPath !== undefined) {
-    bodyParams["URLPath"] = input.URLPath;
-  }
-  if (input.Version !== undefined) {
-    bodyParams["Version"] = input.Version;
-  }
-  return bodyParams;
+  return {
+    ...(input.Attributes !== undefined && {
+      Attributes: serializeAws_restJson1_1AttributeMap(
+        input.Attributes,
+        context
+      )
+    }),
+    ...(input.FixedRate !== undefined && { FixedRate: input.FixedRate }),
+    ...(input.HTTPMethod !== undefined && { HTTPMethod: input.HTTPMethod }),
+    ...(input.Host !== undefined && { Host: input.Host }),
+    ...(input.Priority !== undefined && { Priority: input.Priority }),
+    ...(input.ReservoirSize !== undefined && {
+      ReservoirSize: input.ReservoirSize
+    }),
+    ...(input.ResourceARN !== undefined && { ResourceARN: input.ResourceARN }),
+    ...(input.RuleARN !== undefined && { RuleARN: input.RuleARN }),
+    ...(input.RuleName !== undefined && { RuleName: input.RuleName }),
+    ...(input.ServiceName !== undefined && { ServiceName: input.ServiceName }),
+    ...(input.ServiceType !== undefined && { ServiceType: input.ServiceType }),
+    ...(input.URLPath !== undefined && { URLPath: input.URLPath }),
+    ...(input.Version !== undefined && { Version: input.Version })
+  };
 };
 
 const serializeAws_restJson1_1SamplingRuleUpdate = (
   input: SamplingRuleUpdate,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Attributes !== undefined) {
-    bodyParams["Attributes"] = serializeAws_restJson1_1AttributeMap(
-      input.Attributes,
-      context
-    );
-  }
-  if (input.FixedRate !== undefined) {
-    bodyParams["FixedRate"] = input.FixedRate;
-  }
-  if (input.HTTPMethod !== undefined) {
-    bodyParams["HTTPMethod"] = input.HTTPMethod;
-  }
-  if (input.Host !== undefined) {
-    bodyParams["Host"] = input.Host;
-  }
-  if (input.Priority !== undefined) {
-    bodyParams["Priority"] = input.Priority;
-  }
-  if (input.ReservoirSize !== undefined) {
-    bodyParams["ReservoirSize"] = input.ReservoirSize;
-  }
-  if (input.ResourceARN !== undefined) {
-    bodyParams["ResourceARN"] = input.ResourceARN;
-  }
-  if (input.RuleARN !== undefined) {
-    bodyParams["RuleARN"] = input.RuleARN;
-  }
-  if (input.RuleName !== undefined) {
-    bodyParams["RuleName"] = input.RuleName;
-  }
-  if (input.ServiceName !== undefined) {
-    bodyParams["ServiceName"] = input.ServiceName;
-  }
-  if (input.ServiceType !== undefined) {
-    bodyParams["ServiceType"] = input.ServiceType;
-  }
-  if (input.URLPath !== undefined) {
-    bodyParams["URLPath"] = input.URLPath;
-  }
-  return bodyParams;
+  return {
+    ...(input.Attributes !== undefined && {
+      Attributes: serializeAws_restJson1_1AttributeMap(
+        input.Attributes,
+        context
+      )
+    }),
+    ...(input.FixedRate !== undefined && { FixedRate: input.FixedRate }),
+    ...(input.HTTPMethod !== undefined && { HTTPMethod: input.HTTPMethod }),
+    ...(input.Host !== undefined && { Host: input.Host }),
+    ...(input.Priority !== undefined && { Priority: input.Priority }),
+    ...(input.ReservoirSize !== undefined && {
+      ReservoirSize: input.ReservoirSize
+    }),
+    ...(input.ResourceARN !== undefined && { ResourceARN: input.ResourceARN }),
+    ...(input.RuleARN !== undefined && { RuleARN: input.RuleARN }),
+    ...(input.RuleName !== undefined && { RuleName: input.RuleName }),
+    ...(input.ServiceName !== undefined && { ServiceName: input.ServiceName }),
+    ...(input.ServiceType !== undefined && { ServiceType: input.ServiceType }),
+    ...(input.URLPath !== undefined && { URLPath: input.URLPath })
+  };
 };
 
 const serializeAws_restJson1_1SamplingStatisticsDocument = (
   input: SamplingStatisticsDocument,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.BorrowCount !== undefined) {
-    bodyParams["BorrowCount"] = input.BorrowCount;
-  }
-  if (input.ClientID !== undefined) {
-    bodyParams["ClientID"] = input.ClientID;
-  }
-  if (input.RequestCount !== undefined) {
-    bodyParams["RequestCount"] = input.RequestCount;
-  }
-  if (input.RuleName !== undefined) {
-    bodyParams["RuleName"] = input.RuleName;
-  }
-  if (input.SampledCount !== undefined) {
-    bodyParams["SampledCount"] = input.SampledCount;
-  }
-  if (input.Timestamp !== undefined) {
-    bodyParams["Timestamp"] = Math.round(input.Timestamp.getTime() / 1000);
-  }
-  return bodyParams;
+  return {
+    ...(input.BorrowCount !== undefined && { BorrowCount: input.BorrowCount }),
+    ...(input.ClientID !== undefined && { ClientID: input.ClientID }),
+    ...(input.RequestCount !== undefined && {
+      RequestCount: input.RequestCount
+    }),
+    ...(input.RuleName !== undefined && { RuleName: input.RuleName }),
+    ...(input.SampledCount !== undefined && {
+      SampledCount: input.SampledCount
+    }),
+    ...(input.Timestamp !== undefined && {
+      Timestamp: Math.round(input.Timestamp.getTime() / 1000)
+    })
+  };
 };
 
 const serializeAws_restJson1_1SamplingStatisticsDocumentList = (
@@ -2601,45 +2551,39 @@ const serializeAws_restJson1_1SamplingStrategy = (
   input: SamplingStrategy,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Name !== undefined) {
-    bodyParams["Name"] = input.Name;
-  }
-  if (input.Value !== undefined) {
-    bodyParams["Value"] = input.Value;
-  }
-  return bodyParams;
+  return {
+    ...(input.Name !== undefined && { Name: input.Name }),
+    ...(input.Value !== undefined && { Value: input.Value })
+  };
 };
 
 const serializeAws_restJson1_1TelemetryRecord = (
   input: TelemetryRecord,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.BackendConnectionErrors !== undefined) {
-    bodyParams[
-      "BackendConnectionErrors"
-    ] = serializeAws_restJson1_1BackendConnectionErrors(
-      input.BackendConnectionErrors,
-      context
-    );
-  }
-  if (input.SegmentsReceivedCount !== undefined) {
-    bodyParams["SegmentsReceivedCount"] = input.SegmentsReceivedCount;
-  }
-  if (input.SegmentsRejectedCount !== undefined) {
-    bodyParams["SegmentsRejectedCount"] = input.SegmentsRejectedCount;
-  }
-  if (input.SegmentsSentCount !== undefined) {
-    bodyParams["SegmentsSentCount"] = input.SegmentsSentCount;
-  }
-  if (input.SegmentsSpilloverCount !== undefined) {
-    bodyParams["SegmentsSpilloverCount"] = input.SegmentsSpilloverCount;
-  }
-  if (input.Timestamp !== undefined) {
-    bodyParams["Timestamp"] = Math.round(input.Timestamp.getTime() / 1000);
-  }
-  return bodyParams;
+  return {
+    ...(input.BackendConnectionErrors !== undefined && {
+      BackendConnectionErrors: serializeAws_restJson1_1BackendConnectionErrors(
+        input.BackendConnectionErrors,
+        context
+      )
+    }),
+    ...(input.SegmentsReceivedCount !== undefined && {
+      SegmentsReceivedCount: input.SegmentsReceivedCount
+    }),
+    ...(input.SegmentsRejectedCount !== undefined && {
+      SegmentsRejectedCount: input.SegmentsRejectedCount
+    }),
+    ...(input.SegmentsSentCount !== undefined && {
+      SegmentsSentCount: input.SegmentsSentCount
+    }),
+    ...(input.SegmentsSpilloverCount !== undefined && {
+      SegmentsSpilloverCount: input.SegmentsSpilloverCount
+    }),
+    ...(input.Timestamp !== undefined && {
+      Timestamp: Math.round(input.Timestamp.getTime() / 1000)
+    })
+  };
 };
 
 const serializeAws_restJson1_1TelemetryRecordList = (
diff --git a/codegen/smithy-aws-typescript-codegen/src/main/java/software/amazon/smithy/aws/typescript/codegen/JsonShapeSerVisitor.java b/codegen/smithy-aws-typescript-codegen/src/main/java/software/amazon/smithy/aws/typescript/codegen/JsonShapeSerVisitor.java
index 31c56ad08aca..8eca09b825ef 100644
--- a/codegen/smithy-aws-typescript-codegen/src/main/java/software/amazon/smithy/aws/typescript/codegen/JsonShapeSerVisitor.java
+++ b/codegen/smithy-aws-typescript-codegen/src/main/java/software/amazon/smithy/aws/typescript/codegen/JsonShapeSerVisitor.java
@@ -25,6 +25,7 @@
 import software.amazon.smithy.model.shapes.Shape;
 import software.amazon.smithy.model.shapes.StructureShape;
 import software.amazon.smithy.model.shapes.UnionShape;
+import software.amazon.smithy.model.traits.IdempotencyTokenTrait;
 import software.amazon.smithy.model.traits.JsonNameTrait;
 import software.amazon.smithy.model.traits.TimestampFormatTrait;
 import software.amazon.smithy.model.traits.TimestampFormatTrait.Format;
@@ -88,35 +89,31 @@ public void serializeMap(GenerationContext context, MapShape shape) {
     public void serializeStructure(GenerationContext context, StructureShape shape) {
         TypeScriptWriter writer = context.getWriter();
 
-        writer.write("const bodyParams: any = {};");
-        // Use a TreeMap to sort the members.
-        Map<String, MemberShape> members = new TreeMap<>(shape.getAllMembers());
-        members.forEach((memberName, memberShape) -> {
-            // Use the jsonName trait value if present, otherwise use the member name.
-            String locationName = memberShape.getTrait(JsonNameTrait.class)
-                    .map(JsonNameTrait::getValue)
-                    .orElse(memberName);
-            Shape target = context.getModel().expectShape(memberShape.getTarget());
-            String inputLocation = "input." + memberName;
-
-            // Handle if the member is an idempotency token that should be auto-filled.
-            AwsProtocolUtils.writeIdempotencyAutofill(context, memberShape, inputLocation);
-
-            // Generate an if statement to set the bodyParam if the member is set.
-            writer.openBlock("if ($L !== undefined) {", "}", inputLocation, () -> {
-                String dataSource = "input." + memberName;
+        writer.openBlock("return {", "};", () -> {
+            // Use a TreeMap to sort the members.
+            Map<String, MemberShape> members = new TreeMap<>(shape.getAllMembers());
+            members.forEach((memberName, memberShape) -> {
+                // Use the jsonName trait value if present, otherwise use the member name.
+                String locationName = memberShape.getTrait(JsonNameTrait.class)
+                        .map(JsonNameTrait::getValue)
+                        .orElse(memberName);
+                Shape target = context.getModel().expectShape(memberShape.getTarget());
+                String inputLocation = "input." + memberName;
 
                 // Handle @timestampFormat on members not just the targeted shape.
                 String valueProvider = memberShape.hasTrait(TimestampFormatTrait.class)
                         ? AwsProtocolUtils.getInputTimestampValueProvider(context, memberShape,
-                                TIMESTAMP_FORMAT, dataSource)
-                        : target.accept(getMemberVisitor(dataSource));
-
-                // Dispatch to the input value provider for any additional handling.
-                writer.write("bodyParams['$L'] = $L;", locationName, valueProvider);
+                                TIMESTAMP_FORMAT, inputLocation)
+                        : target.accept(getMemberVisitor(inputLocation));
+    
+                if (memberShape.hasTrait(IdempotencyTokenTrait.class)) {
+                    writer.write("'$L': $L ?? generateIdempotencyToken(),", locationName, valueProvider);
+                } else {
+                    writer.write("...($L !== undefined && { '$L': $L }),", inputLocation, locationName, valueProvider);
+                }
             });
+
         });
-        writer.write("return bodyParams;");
     }
 
     @Override
diff --git a/protocol_tests/aws-json/protocols/Aws_json1_1.ts b/protocol_tests/aws-json/protocols/Aws_json1_1.ts
index 3bc61c36bea4..7222f4bc28aa 100644
--- a/protocol_tests/aws-json/protocols/Aws_json1_1.ts
+++ b/protocol_tests/aws-json/protocols/Aws_json1_1.ts
@@ -284,143 +284,117 @@ const serializeAws_json1_1EmptyStruct = (
   input: EmptyStruct,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  return bodyParams;
+  return {};
 };
 
 const serializeAws_json1_1KitchenSink = (
   input: KitchenSink,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Blob !== undefined) {
-    bodyParams["Blob"] = context.base64Encoder(input.Blob);
-  }
-  if (input.Boolean !== undefined) {
-    bodyParams["Boolean"] = input.Boolean;
-  }
-  if (input.Double !== undefined) {
-    bodyParams["Double"] = input.Double;
-  }
-  if (input.EmptyStruct !== undefined) {
-    bodyParams["EmptyStruct"] = serializeAws_json1_1EmptyStruct(
-      input.EmptyStruct,
-      context
-    );
-  }
-  if (input.Float !== undefined) {
-    bodyParams["Float"] = input.Float;
-  }
-  if (input.HttpdateTimestamp !== undefined) {
-    bodyParams["HttpdateTimestamp"] = __dateToUtcString(
-      input.HttpdateTimestamp
-    );
-  }
-  if (input.Integer !== undefined) {
-    bodyParams["Integer"] = input.Integer;
-  }
-  if (input.Iso8601Timestamp !== undefined) {
-    bodyParams["Iso8601Timestamp"] =
-      input.Iso8601Timestamp.toISOString().split(".")[0] + "Z";
-  }
-  if (input.JsonValue !== undefined) {
-    bodyParams["JsonValue"] = __LazyJsonString.fromObject(input.JsonValue);
-  }
-  if (input.ListOfLists !== undefined) {
-    bodyParams["ListOfLists"] = serializeAws_json1_1ListOfListOfStrings(
-      input.ListOfLists,
-      context
-    );
-  }
-  if (input.ListOfMapsOfStrings !== undefined) {
-    bodyParams["ListOfMapsOfStrings"] = serializeAws_json1_1ListOfMapsOfStrings(
-      input.ListOfMapsOfStrings,
-      context
-    );
-  }
-  if (input.ListOfStrings !== undefined) {
-    bodyParams["ListOfStrings"] = serializeAws_json1_1ListOfStrings(
-      input.ListOfStrings,
-      context
-    );
-  }
-  if (input.ListOfStructs !== undefined) {
-    bodyParams["ListOfStructs"] = serializeAws_json1_1ListOfStructs(
-      input.ListOfStructs,
-      context
-    );
-  }
-  if (input.Long !== undefined) {
-    bodyParams["Long"] = input.Long;
-  }
-  if (input.MapOfListsOfStrings !== undefined) {
-    bodyParams["MapOfListsOfStrings"] = serializeAws_json1_1MapOfListsOfStrings(
-      input.MapOfListsOfStrings,
-      context
-    );
-  }
-  if (input.MapOfMaps !== undefined) {
-    bodyParams["MapOfMaps"] = serializeAws_json1_1MapOfMapOfStrings(
-      input.MapOfMaps,
-      context
-    );
-  }
-  if (input.MapOfStrings !== undefined) {
-    bodyParams["MapOfStrings"] = serializeAws_json1_1MapOfStrings(
-      input.MapOfStrings,
-      context
-    );
-  }
-  if (input.MapOfStructs !== undefined) {
-    bodyParams["MapOfStructs"] = serializeAws_json1_1MapOfStructs(
-      input.MapOfStructs,
-      context
-    );
-  }
-  if (input.RecursiveList !== undefined) {
-    bodyParams["RecursiveList"] = serializeAws_json1_1ListOfKitchenSinks(
-      input.RecursiveList,
-      context
-    );
-  }
-  if (input.RecursiveMap !== undefined) {
-    bodyParams["RecursiveMap"] = serializeAws_json1_1MapOfKitchenSinks(
-      input.RecursiveMap,
-      context
-    );
-  }
-  if (input.RecursiveStruct !== undefined) {
-    bodyParams["RecursiveStruct"] = serializeAws_json1_1KitchenSink(
-      input.RecursiveStruct,
-      context
-    );
-  }
-  if (input.SimpleStruct !== undefined) {
-    bodyParams["SimpleStruct"] = serializeAws_json1_1SimpleStruct(
-      input.SimpleStruct,
-      context
-    );
-  }
-  if (input.String !== undefined) {
-    bodyParams["String"] = input.String;
-  }
-  if (input.StructWithLocationName !== undefined) {
-    bodyParams[
-      "StructWithLocationName"
-    ] = serializeAws_json1_1StructWithLocationName(
-      input.StructWithLocationName,
-      context
-    );
-  }
-  if (input.Timestamp !== undefined) {
-    bodyParams["Timestamp"] = Math.round(input.Timestamp.getTime() / 1000);
-  }
-  if (input.UnixTimestamp !== undefined) {
-    bodyParams["UnixTimestamp"] = Math.round(
-      input.UnixTimestamp.getTime() / 1000
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.Blob !== undefined && {
+      Blob: context.base64Encoder(input.Blob)
+    }),
+    ...(input.Boolean !== undefined && { Boolean: input.Boolean }),
+    ...(input.Double !== undefined && { Double: input.Double }),
+    ...(input.EmptyStruct !== undefined && {
+      EmptyStruct: serializeAws_json1_1EmptyStruct(input.EmptyStruct, context)
+    }),
+    ...(input.Float !== undefined && { Float: input.Float }),
+    ...(input.HttpdateTimestamp !== undefined && {
+      HttpdateTimestamp: __dateToUtcString(input.HttpdateTimestamp)
+    }),
+    ...(input.Integer !== undefined && { Integer: input.Integer }),
+    ...(input.Iso8601Timestamp !== undefined && {
+      Iso8601Timestamp: input.Iso8601Timestamp.toISOString().split(".")[0] + "Z"
+    }),
+    ...(input.JsonValue !== undefined && {
+      JsonValue: __LazyJsonString.fromObject(input.JsonValue)
+    }),
+    ...(input.ListOfLists !== undefined && {
+      ListOfLists: serializeAws_json1_1ListOfListOfStrings(
+        input.ListOfLists,
+        context
+      )
+    }),
+    ...(input.ListOfMapsOfStrings !== undefined && {
+      ListOfMapsOfStrings: serializeAws_json1_1ListOfMapsOfStrings(
+        input.ListOfMapsOfStrings,
+        context
+      )
+    }),
+    ...(input.ListOfStrings !== undefined && {
+      ListOfStrings: serializeAws_json1_1ListOfStrings(
+        input.ListOfStrings,
+        context
+      )
+    }),
+    ...(input.ListOfStructs !== undefined && {
+      ListOfStructs: serializeAws_json1_1ListOfStructs(
+        input.ListOfStructs,
+        context
+      )
+    }),
+    ...(input.Long !== undefined && { Long: input.Long }),
+    ...(input.MapOfListsOfStrings !== undefined && {
+      MapOfListsOfStrings: serializeAws_json1_1MapOfListsOfStrings(
+        input.MapOfListsOfStrings,
+        context
+      )
+    }),
+    ...(input.MapOfMaps !== undefined && {
+      MapOfMaps: serializeAws_json1_1MapOfMapOfStrings(input.MapOfMaps, context)
+    }),
+    ...(input.MapOfStrings !== undefined && {
+      MapOfStrings: serializeAws_json1_1MapOfStrings(
+        input.MapOfStrings,
+        context
+      )
+    }),
+    ...(input.MapOfStructs !== undefined && {
+      MapOfStructs: serializeAws_json1_1MapOfStructs(
+        input.MapOfStructs,
+        context
+      )
+    }),
+    ...(input.RecursiveList !== undefined && {
+      RecursiveList: serializeAws_json1_1ListOfKitchenSinks(
+        input.RecursiveList,
+        context
+      )
+    }),
+    ...(input.RecursiveMap !== undefined && {
+      RecursiveMap: serializeAws_json1_1MapOfKitchenSinks(
+        input.RecursiveMap,
+        context
+      )
+    }),
+    ...(input.RecursiveStruct !== undefined && {
+      RecursiveStruct: serializeAws_json1_1KitchenSink(
+        input.RecursiveStruct,
+        context
+      )
+    }),
+    ...(input.SimpleStruct !== undefined && {
+      SimpleStruct: serializeAws_json1_1SimpleStruct(
+        input.SimpleStruct,
+        context
+      )
+    }),
+    ...(input.String !== undefined && { String: input.String }),
+    ...(input.StructWithLocationName !== undefined && {
+      StructWithLocationName: serializeAws_json1_1StructWithLocationName(
+        input.StructWithLocationName,
+        context
+      )
+    }),
+    ...(input.Timestamp !== undefined && {
+      Timestamp: Math.round(input.Timestamp.getTime() / 1000)
+    }),
+    ...(input.UnixTimestamp !== undefined && {
+      UnixTimestamp: Math.round(input.UnixTimestamp.getTime() / 1000)
+    })
+  };
 };
 
 const serializeAws_json1_1ListOfKitchenSinks = (
@@ -512,22 +486,18 @@ const serializeAws_json1_1SimpleStruct = (
   input: SimpleStruct,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Value !== undefined) {
-    bodyParams["Value"] = input.Value;
-  }
-  return bodyParams;
+  return {
+    ...(input.Value !== undefined && { Value: input.Value })
+  };
 };
 
 const serializeAws_json1_1StructWithLocationName = (
   input: StructWithLocationName,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.Value !== undefined) {
-    bodyParams["RenamedMember"] = input.Value;
-  }
-  return bodyParams;
+  return {
+    ...(input.Value !== undefined && { RenamedMember: input.Value })
+  };
 };
 
 const deserializeAws_json1_1EmptyStruct = (
diff --git a/protocol_tests/aws-restjson/protocols/Aws_restJson1_1.ts b/protocol_tests/aws-restjson/protocols/Aws_restJson1_1.ts
index 3a3527844469..0dbc217c2132 100644
--- a/protocol_tests/aws-restjson/protocols/Aws_restJson1_1.ts
+++ b/protocol_tests/aws-restjson/protocols/Aws_restJson1_1.ts
@@ -3089,52 +3089,40 @@ const serializeAws_restJson1_1NestedPayload = (
   input: NestedPayload,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.greeting !== undefined) {
-    bodyParams["greeting"] = input.greeting;
-  }
-  if (input.name !== undefined) {
-    bodyParams["name"] = input.name;
-  }
-  return bodyParams;
+  return {
+    ...(input.greeting !== undefined && { greeting: input.greeting }),
+    ...(input.name !== undefined && { name: input.name })
+  };
 };
 
 const serializeAws_restJson1_1RecursiveShapesInputOutputNested1 = (
   input: RecursiveShapesInputOutputNested1,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.foo !== undefined) {
-    bodyParams["foo"] = input.foo;
-  }
-  if (input.nested !== undefined) {
-    bodyParams[
-      "nested"
-    ] = serializeAws_restJson1_1RecursiveShapesInputOutputNested2(
-      input.nested,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.foo !== undefined && { foo: input.foo }),
+    ...(input.nested !== undefined && {
+      nested: serializeAws_restJson1_1RecursiveShapesInputOutputNested2(
+        input.nested,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1RecursiveShapesInputOutputNested2 = (
   input: RecursiveShapesInputOutputNested2,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.bar !== undefined) {
-    bodyParams["bar"] = input.bar;
-  }
-  if (input.recursiveMember !== undefined) {
-    bodyParams[
-      "recursiveMember"
-    ] = serializeAws_restJson1_1RecursiveShapesInputOutputNested1(
-      input.recursiveMember,
-      context
-    );
-  }
-  return bodyParams;
+  return {
+    ...(input.bar !== undefined && { bar: input.bar }),
+    ...(input.recursiveMember !== undefined && {
+      recursiveMember: serializeAws_restJson1_1RecursiveShapesInputOutputNested1(
+        input.recursiveMember,
+        context
+      )
+    })
+  };
 };
 
 const serializeAws_restJson1_1StructureList = (
@@ -3150,14 +3138,10 @@ const serializeAws_restJson1_1StructureListMember = (
   input: StructureListMember,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.a !== undefined) {
-    bodyParams["value"] = input.a;
-  }
-  if (input.b !== undefined) {
-    bodyParams["other"] = input.b;
-  }
-  return bodyParams;
+  return {
+    ...(input.a !== undefined && { value: input.a }),
+    ...(input.b !== undefined && { other: input.b })
+  };
 };
 
 const serializeAws_restJson1_1BooleanList = (
@@ -3195,11 +3179,9 @@ const serializeAws_restJson1_1GreetingStruct = (
   input: GreetingStruct,
   context: __SerdeContext
 ): any => {
-  const bodyParams: any = {};
-  if (input.hi !== undefined) {
-    bodyParams["hi"] = input.hi;
-  }
-  return bodyParams;
+  return {
+    ...(input.hi !== undefined && { hi: input.hi })
+  };
 };
 
 const serializeAws_restJson1_1IntegerList = (