<?php

/*

 * This file is part of the Symfony package.

 *

 * (c) Fabien Potencier <fabien@symfony.com>

 *

 * For the full copyright and license information, please view the LICENSE

 * file that was distributed with this source code.

 */

namespace Symfony\Component\Templating\Helper;

/**

 * HelperInterface is the interface all helpers must implement.

 *

 * @author Fabien Potencier <fabien@symfony.com>

 *

 * @api

 */

interface HelperInterface

{

    /**

     * Returns the canonical name of this helper.

     *

     * @return string The canonical name

     *

     * @api

     */

    function getName();

    /**

     * Sets the default charset.

     *

     * @param string $charset The charset

     *

     * @api

     */

    function setCharset($charset);

    /**

     * Gets the default charset.

     *

     * @return string The default charset

     *

     * @api

     */

    function getCharset();

}