magento2/app/code/Magento/Backend/Model/Cache/ResourceModel/Grid/Collection.php

<?php
/**
 * Cache grid collection
 *
 * Copyright © Magento, Inc. All rights reserved.
 * See COPYING.txt for license details.
 */
namespace Magento\Backend\Model\Cache\ResourceModel\Grid;

/**
 * @api
 * @since 100.0.2
 */
class Collection extends \Magento\Framework\Data\Collection
{
    /**
     * @var \Magento\Framework\App\Cache\TypeListInterface
     */
    protected $_cacheTypeList;

    /**
     * @param \Magento\Framework\Data\Collection\EntityFactory $entityFactory
     * @param \Magento\Framework\App\Cache\TypeListInterface $cacheTypeList
     */
    public function __construct(
        \Magento\Framework\Data\Collection\EntityFactory $entityFactory,
        \Magento\Framework\App\Cache\TypeListInterface $cacheTypeList
    ) {
        $this->_cacheTypeList = $cacheTypeList;
        parent::__construct($entityFactory);
    }

    /**
     * Load data
     *
     * @param bool $printQuery
     * @param bool $logQuery
     * @return $this
     * @SuppressWarnings(PHPMD.UnusedFormalParameter)
     */
    public function loadData($printQuery = false, $logQuery = false)
    {
        if (!$this->isLoaded()) {
            foreach ($this->_cacheTypeList->getTypes() as $type) {
                $this->addItem($type);
            }
            $this->_setIsLoaded(true);
        }
        return $this;
    }
}