[Backport 8.4] Fix optional/missing fields reported via Java client issues

specification/_global/msearch/types.ts

@@ -43,6 +43,7 @@ import { RuntimeFields } from '@_types/mapping/RuntimeFields'
 import { ScriptField } from '@_types/Scripting'
 import { SlicedScroll } from '@_types/SlicedScroll'
 import { KnnQuery } from '@_types/Knn'
+import { UserDefinedValue } from '@spec_utils/UserDefinedValue'
 
 /**
  * @codegen_names header, body
@@ -80,6 +81,10 @@ export class MultisearchBody {
    * @server_default false
    */
   explain?: boolean
+  /**
+   * Configuration of search extensions defined by Elasticsearch plugins.
+   */
+  ext?: Dictionary<string, UserDefinedValue>
   /**
    * List of stored fields to return as part of a hit. If no fields are specified,
    * no stored fields are included in the response. If this field is specified, the _source

specification/_global/search/SearchRequest.ts

@@ -47,6 +47,7 @@ import { TrackHits } from '@global/search/_types/hits'
 import { Operator } from '@_types/query_dsl/Operator'
 import { Sort, SortResults } from '@_types/sort'
 import { KnnQuery } from '@_types/Knn'
+import { UserDefinedValue } from '@spec_utils/UserDefinedValue'
 
 /**
  * @rest_spec_name search
@@ -118,6 +119,10 @@ export interface Request extends RequestBase {
      * @server_default false
      */
     explain?: boolean
+    /**
+     * Configuration of search extensions defined by Elasticsearch plugins.
+     */
+    ext?: Dictionary<string, UserDefinedValue>
     /**
      * Starting document offset. By default, you cannot page through more than 10,000
      * hits using the from and size parameters. To page through more hits, use the

specification/_types/Errors.ts

@@ -36,7 +36,7 @@ export class ErrorCause
   /**
    * A human-readable explanation of the error, in english
    */
-  reason: string
+  reason?: string
   /**
    * The server stack trace. Present only if the `error_trace=true` parameter was sent with the request.
    */

specification/_types/aggregations/Aggregate.ts

@@ -289,7 +289,7 @@ export class ExtendedStatsBucketAggregate extends ExtendedStatsAggregate {}
 
 /** @variant name=geo_bounds */
 export class GeoBoundsAggregate extends AggregateBase {
-  bounds: GeoBounds
+  bounds?: GeoBounds
 }
 
 /** @variant name=geo_centroid */

specification/_types/analysis/icu-plugin.ts

@@ -50,17 +50,18 @@ export class IcuFoldingTokenFilter extends TokenFilterBase {
 
 export class IcuCollationTokenFilter extends TokenFilterBase {
   type: 'icu_collation'
-  alternate: IcuCollationAlternate
-  caseFirst: IcuCollationCaseFirst
-  caseLevel: boolean
-  country: string
-  decomposition: IcuCollationDecomposition
-  hiraganaQuaternaryMode: boolean
-  language: string
-  numeric: boolean
-  strength: IcuCollationStrength
+  alternate?: IcuCollationAlternate
+  caseFirst?: IcuCollationCaseFirst
+  caseLevel?: boolean
+  country?: string
+  decomposition?: IcuCollationDecomposition
+  hiraganaQuaternaryMode?: boolean
+  language?: string
+  numeric?: boolean
+  rules?: string
+  strength?: IcuCollationStrength
   variableTop?: string
-  variant: string
+  variant?: string
 }
 
 export class IcuAnalyzer {

specification/_types/mapping/RuntimeFields.ts

@@ -21,7 +21,7 @@ import { Dictionary } from '@spec_utils/Dictionary'
 import { Field } from '@_types/common'
 import { Script } from '@_types/Scripting'
 
-export type RuntimeFields = Dictionary<Field, RuntimeField | RuntimeField[]>
+export type RuntimeFields = Dictionary<Field, RuntimeField>
 
 export class RuntimeField {
   format?: string

specification/async_search/submit/AsyncSearchSubmitRequest.ts

@@ -50,6 +50,7 @@ import { Suggester } from '@global/search/_types/suggester'
 import { TrackHits } from '@global/search/_types/hits'
 import { Operator } from '@_types/query_dsl/Operator'
 import { KnnQuery } from '@_types/Knn'
+import { UserDefinedValue } from '@spec_utils/UserDefinedValue'
 
 /**
  * @rest_spec_name async_search.submit
@@ -128,6 +129,10 @@ export interface Request extends RequestBase {
      * @server_default false
      */
     explain?: boolean
+    /**
+     * Configuration of search extensions defined by Elasticsearch plugins.
+     */
+    ext?: Dictionary<string, UserDefinedValue>
     /**
      * Starting document offset. By default, you cannot page through more than 10,000
      * hits using the from and size parameters. To page through more hits, use the

specification/cluster/_types/ComponentTemplate.ts

@@ -39,7 +39,7 @@ export class ComponentTemplateSummary {
   /** @doc_id mapping-meta-field */
   _meta?: Metadata
   version?: VersionNumber
-  settings: Dictionary<IndexName, IndexSettings>
+  settings?: Dictionary<IndexName, IndexSettings>
   mappings?: TypeMapping
   aliases?: Dictionary<string, AliasDefinition>
 }

specification/fleet/search/SearchRequest.ts

@@ -50,6 +50,7 @@ import { SlicedScroll } from '@_types/SlicedScroll'
 import { Sort, SortResults } from '@_types/sort'
 import { Duration } from '@_types/Time'
 import { Checkpoint } from '../_types/Checkpoints'
+import { UserDefinedValue } from '@spec_utils/UserDefinedValue'
 
 /**
  * The purpose of the fleet search api is to provide a search api where the search will only be executed
@@ -138,6 +139,10 @@ export interface Request extends RequestBase {
      * @server_default false
      */
     explain?: boolean
+    /**
+     * Configuration of search extensions defined by Elasticsearch plugins.
+     */
+    ext?: Dictionary<string, UserDefinedValue>
     /**
      * Starting document offset. By default, you cannot page through more than 10,000
      * hits using the from and size parameters. To page through more hits, use the

specification/indices/_types/IndexSettings.ts

@@ -260,8 +260,7 @@ export enum IndexCheckOnStartup {
 }
 
 export class IndexVersioning {
-  created: VersionString
-  created_string?: VersionString
+  created?: VersionString
 }
 
 export class IndexSettingsLifecycle {

specification/security/get_token/GetUserAccessTokenResponse.ts

@@ -26,7 +26,7 @@ export class Response {
     expires_in: long
     scope?: string
     type: string
-    refresh_token: string
+    refresh_token?: string
     kerberos_authentication_response_token?: string
     authentication: AuthenticatedUser
   }