Added support for DynamoDbAutoGeneratedKey annotation

Author: anasatirbasa

services-custom/dynamodb-enhanced/src/main/java/software/amazon/awssdk/enhanced/dynamodb/extensions/AutoGeneratedUuidExtension.java

@@ -114,6 +114,8 @@ public static AutoGeneratedUuidExtension create() {
      */
     @Override
     public WriteModification beforeWrite(DynamoDbExtensionContext.BeforeWrite context) {
+
+
         Collection<String> customMetadataObject = context.tableMetadata()
                                                          .customMetadataObject(CUSTOM_METADATA_KEY, Collection.class)
                                                          .orElse(null);

services-custom/dynamodb-enhanced/src/test/java/software/amazon/awssdk/enhanced/dynamodb/UuidTestUtils.java

@@ -17,7 +17,10 @@
 
 import java.util.UUID;
 
-public class UuidTestUtils {
+public final class UuidTestUtils {
+
+    private UuidTestUtils() {
+    }
 
     public static boolean isValidUuid(String uuid) {
         try {
@@ -27,4 +30,4 @@ public static boolean isValidUuid(String uuid) {
             return false;
         }
     }
-}
+}