* @copyright 2014 Fabian Grutschus. All rights reserved. * @license BSD * @link http://github.com/fabiang/xmpp */ namespace Fabiang\Xmpp\Protocol; use Fabiang\Xmpp\Util\XML; /** * Protocol setting for Xmpp. * * @package Xmpp\Protocol */ class Roster implements ProtocolImplementationInterface { /** * {@inheritDoc} */ public function toString() { return ''; } }