Action.php

<?php
/**
 * Copyright © Magento, Inc. All rights reserved.
 * See COPYING.txt for license details.
 */

/**
 * Generic backend controller
 */
namespace Magento\Backend\App;

/**
 * @api
 * @SuppressWarnings(PHPMD.NumberOfChildren)
 * @since 100.0.2
 */
abstract class Action extends \Magento\Backend\App\AbstractAction
{
}