SharedEventsCapableInterface.php

<?php
/**
 * Zend Framework (http://framework.zend.com/)
 *
 * @link      http://github.com/zendframework/zend-eventmanager for the canonical source repository
 * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
 * @license   https://github.com/zendframework/zend-eventmanager/blob/master/LICENSE.md
 */

namespace Zend\EventManager;

/**
 * Interface indicating that an object composes or can compose a
 * SharedEventManagerInterface instance.
 */
interface SharedEventsCapableInterface
{
    /**
     * Retrieve the shared event manager, if composed.
     *
     * @return null|SharedEventManagerInterface
     */
    public function getSharedManager();
}