1<?php 2 3/* 4 * This file is part of the Symfony package. 5 * 6 * (c) Fabien Potencier <fabien@symfony.com> 7 * 8 * For the full copyright and license information, please view the LICENSE 9 * file that was distributed with this source code. 10 */ 11 12namespace Symfony\Component\Console\Helper; 13 14/** 15 * HelperInterface is the interface all helpers must implement. 16 * 17 * @author Fabien Potencier <fabien@symfony.com> 18 * 19 * @api 20 */ 21interface HelperInterface 22{ 23 /** 24 * Sets the helper set associated with this helper. 25 * 26 * @param HelperSet $helperSet A HelperSet instance 27 * 28 * @api 29 */ 30 public function setHelperSet(HelperSet $helperSet = null); 31 32 /** 33 * Gets the helper set associated with this helper. 34 * 35 * @return HelperSet A HelperSet instance 36 * 37 * @api 38 */ 39 public function getHelperSet(); 40 41 /** 42 * Returns the canonical name of this helper. 43 * 44 * @return string The canonical name 45 * 46 * @api 47 */ 48 public function getName(); 49} 50