docs: public void marshall(DynamoDBAction dynamoDBAction, ProtocolMarshaller protocolMarshaller) {
  
          if (dynamoDBAction == null) {
              throw new SdkClientException("Invalid argument passed to marshall(...)");
          }
  
          try {
              protocolMarshaller.marshall(dynamoDBAction.getTableName(), TABLENAME_BINDING);
              protocolMarshaller.marshall(dynamoDBAction.getRoleArn(), ROLEARN_BINDING);
              protocolMarshaller.marshall(dynamoDBAction.getOperation(), OPERATION_BINDING);
              protocolMarshaller.marshall(dynamoDBAction.getHashKeyField(), HASHKEYFIELD_BINDING);
              protocolMarshaller.marshall(dynamoDBAction.getHashKeyValue(), HASHKEYVALUE_BINDING);
              protocolMarshaller.marshall(dynamoDBAction.getHashKeyType(), HASHKEYTYPE_BINDING);
              protocolMarshaller.marshall(dynamoDBAction.getRangeKeyField(), RANGEKEYFIELD_BINDING);
              protocolMarshaller.marshall(dynamoDBAction.getRangeKeyValue(), RANGEKEYVALUE_BINDING);
              protocolMarshaller.marshall(dynamoDBAction.getRangeKeyType(), RANGEKEYTYPE_BINDING);
              protocolMarshaller.marshall(dynamoDBAction.getPayloadField(), PAYLOADFIELD_BINDING);
          } catch (Exception e) {
              throw new SdkClientException("Unable to marshall request to JSON: " + e.getMessage(), e);
          }
      }