Feat: S3 Object Lambda support

aws-lambda-java-events/src/main/java/com/amazonaws/services/lambda/runtime/events/S3ObjectLambdaEvent.java

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+package com.amazonaws.services.lambda.runtime.events;
+
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+import java.util.Map;
+
+/**
+ * Event to allow transformations to occur before an S3 object is returned to the calling service.
+ *
+ * https://aws.amazon.com/blogs/aws/introducing-amazon-s3-object-lambda-use-your-code-to-process-data-as-it-is-being-retrieved-from-s3/
+ */
+
+@Data
+@Builder(setterPrefix = "with")
+@NoArgsConstructor
+@AllArgsConstructor
+public class S3ObjectLambdaEvent {
+
+    private String xAmzRequestId;
+    private GetObjectContext getObjectContext;
+    private Configuration configuration;
+    private UserRequest userRequest;
+    private UserIdentity userIdentity;
+    private String protocolVersion;
+
+    @Data
+    @Builder(setterPrefix = "with")
+    @NoArgsConstructor
+    @AllArgsConstructor
+    public static class GetObjectContext {
+        private String inputS3Url;
+        private String outputRoute;
+        private String outputToken;
+    }
+
+    @Data
+    @Builder(setterPrefix = "with")
+    @NoArgsConstructor
+    @AllArgsConstructor
+    public static class Configuration {
+        private String accessPointArn;
+        private String supportingAccessPointArn;
+        private String payload;
+    }
+
+    @Data
+    @Builder(setterPrefix = "with")
+    @NoArgsConstructor
+    @AllArgsConstructor
+    public static class UserRequest {
+        private String url;
+        private Map<String, String> headers;
+    }
+
+    @Data
+    @Builder(setterPrefix = "with")
+    @NoArgsConstructor
+    @AllArgsConstructor
+    public static class UserIdentity {
+        private String type;
+        private String principalId;
+        private String arn;
+        private String accountId;
+        private String accessKeyId;
+    }
+}