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: 
12: namespace 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:  */
21: interface 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:     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:     function getHelperSet();
40: 
41:     /**
42:      * Returns the canonical name of this helper.
43:      *
44:      * @return string The canonical name
45:      *
46:      * @api
47:      */
48:     function getName();
49: }
50: