magento2/app/code/Magento/Backend/Controller/Adminhtml/System/Design.php

<?php
/**
 * Copyright © Magento, Inc. All rights reserved.
 * See COPYING.txt for license details.
 */
namespace Magento\Backend\Controller\Adminhtml\System;

use Magento\Backend\App\Action;

abstract class Design extends Action
{
    /**
     * Authorization level of a basic admin session
     *
     * @see _isAllowed()
     */
    const ADMIN_RESOURCE = 'Magento_Backend::design';

    /**
     * Core registry
     *
     * @var \Magento\Framework\Registry
     */
    protected $_coreRegistry = null;

    /**
     * @var \Magento\Framework\Stdlib\DateTime\Filter\Date
     */
    protected $dateFilter;

    /**
     * @var \Magento\Backend\Model\View\Result\ForwardFactory
     */
    protected $resultForwardFactory;

    /**
     * @var \Magento\Framework\View\Result\PageFactory
     */
    protected $resultPageFactory;

    /**
     * @var \Magento\Framework\View\Result\LayoutFactory
     */
    protected $resultLayoutFactory;

    /**
     * @param \Magento\Backend\App\Action\Context $context
     * @param \Magento\Framework\Registry $coreRegistry
     * @param \Magento\Framework\Stdlib\DateTime\Filter\Date $dateFilter
     * @param \Magento\Backend\Model\View\Result\ForwardFactory $resultForwardFactory
     * @param \Magento\Framework\View\Result\PageFactory $resultPageFactory
     * @param \Magento\Framework\View\Result\LayoutFactory $resultLayoutFactory
     */
    public function __construct(
        \Magento\Backend\App\Action\Context $context,
        \Magento\Framework\Registry $coreRegistry,
        \Magento\Framework\Stdlib\DateTime\Filter\Date $dateFilter,
        \Magento\Backend\Model\View\Result\ForwardFactory $resultForwardFactory,
        \Magento\Framework\View\Result\PageFactory $resultPageFactory,
        \Magento\Framework\View\Result\LayoutFactory $resultLayoutFactory
    ) {
        $this->_coreRegistry = $coreRegistry;
        $this->dateFilter = $dateFilter;
        parent::__construct($context);
        $this->resultForwardFactory = $resultForwardFactory;
        $this->resultPageFactory = $resultPageFactory;
        $this->resultLayoutFactory = $resultLayoutFactory;
    }
}