cakephp/tests/test_app/TestApp/Controller/CellTraitTestController.php

<?php
/**
 * CakePHP(tm) : Rapid Development Framework (https://cakephp.org)
 * Copyright (c) Cake Software Foundation, Inc. (https://cakefoundation.org)
 *
 * Licensed under The MIT License
 * For full copyright and license information, please see the LICENSE.txt
 * Redistributions of files must retain the above copyright notice.
 *
 * @copyright     Copyright (c) Cake Software Foundation, Inc. (https://cakefoundation.org)
 * @link          https://cakephp.org CakePHP(tm) Project
 * @since         3.4.0
 * @license       https://opensource.org/licenses/mit-license.php MIT License
 */
namespace TestApp\Controller;

use Cake\Controller\Controller;
use Cake\View\CellTrait;

/**
 * CellTraitTestController class.
 */
class CellTraitTestController extends Controller
{
    use CellTrait {
        cell as public;
    }
}