code: protected OperationResponse internalExecute(final Operation operation, final ManagementRequestContext<?> context, final OperationMessageHandler messageHandler, final ModelController.OperationTransactionControl control) {
          // Execute the operation
          return controller.execute(
                  operation,
                  messageHandler,
                  control);
      }
docs: Subclasses can override this method to determine how to execute the method, e.g. attach to an existing operation or not
  
  @param operation the operation being executed
  @param messageHandler the operation message handler proxy
  @param control the operation transaction control
  @return the result of the executed operation