<?php
/**
 *
 * Copyright © 2016 Magento. All rights reserved.
 * See COPYING.txt for license details.
 */
namespace Magento\Catalog\Controller\Adminhtml\Product\Set;

class Index extends \Magento\Catalog\Controller\Adminhtml\Product\Set
{
    /**
     * @var \Magento\Framework\View\Result\PageFactory
     */
    protected $resultPageFactory;

    /**
     * @param \Magento\Backend\App\Action\Context $context
     * @param \Magento\Framework\Registry $coreRegistry
     * @param \Magento\Framework\View\Result\PageFactory $resultPageFactory
     */
    public function __construct(
        \Magento\Backend\App\Action\Context $context,
        \Magento\Framework\Registry $coreRegistry,
        \Magento\Framework\View\Result\PageFactory $resultPageFactory
    ) {
        parent::__construct($context, $coreRegistry);
        $this->resultPageFactory = $resultPageFactory;
    }

    /**
     * @return \Magento\Backend\Model\View\Result\Page
     */
    public function execute()
    {
        $this->_setTypeId();

        /** @var \Magento\Backend\Model\View\Result\Page $resultPage */
        $resultPage = $this->resultPageFactory->create();
        $resultPage->setActiveMenu('Magento_Catalog::catalog_attributes_sets');
        $resultPage->getConfig()->getTitle()->prepend(__('Attribute Sets'));
        $resultPage->addBreadcrumb(__('Catalog'), __('Catalog'));
        $resultPage->addBreadcrumb(__('Manage Attribute Sets'), __('Attribute Sets'));
        return $resultPage;
    }
}