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 */
19interface HelperInterface
20{
21    /**
22     * Sets the helper set associated with this helper.
23     */
24    public function setHelperSet(HelperSet $helperSet = null);
25
26    /**
27     * Gets the helper set associated with this helper.
28     *
29     * @return HelperSet A HelperSet instance
30     */
31    public function getHelperSet();
32
33    /**
34     * Returns the canonical name of this helper.
35     *
36     * @return string The canonical name
37     */
38    public function getName();
39}
40