yii2-bootstrap/yii/helpers/Html.php

<?php
/**
 * @link http://www.yiiframework.com/
 * @copyright Copyright (c) 2008 Yii Software LLC
 * @license http://www.yiiframework.com/license/
 */

namespace yii\helpers;

/**
 * Html provides a set of static methods for generating commonly used HTML tags.
 *
 * @author Qiang Xue <qiang.xue@gmail.com>
 * @since 2.0
 */
class Html extends base\Html
{
}