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 <?php
 /**
  * Zend Framework
  *
  * LICENSE
  *
  * This source file is subject to the new BSD license that is bundled
  * with this package in the file LICENSE.txt.
  * It is also available through the world-wide-web at this URL:
  * http://framework.zend.com/license/new-bsd
  * If you did not receive a copy of the license and are unable to
  * obtain it through the world-wide-web, please send an email
  * to license@zend.com so we can send you a copy immediately.
  *
  * @category   Zend
  * @package    Zend_EventManager
  * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  */
 
 /**
  * Interface for self-registering event listeners.
  *
  * Classes implementing this interface may be registered by name or instance
  * with an EventManager, without an event name. The {@link attach()} method will
  * then be called with the current EventManager instance, allowing the class to
  * wire up one or more listeners.
  *
  * @category   Zend
  * @package    Zend_EventManager
  * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  */
 interface Zend_EventManager_ListenerAggregate
 {
     /**
      * Attach one or more listeners
      *
      * Implementors may add an optional $priority argument; the EventManager
      * implementation will pass this to the aggregate.
      *
      * @param Zend_EventManager_EventCollection $events
      * @param null|int $priority Optional priority "hint" to use when attaching listeners
      */
     public function attach(Zend_EventManager_EventCollection $events);
 
     /**
      * Detach all previously attached listeners
      *
      * @param Zend_EventManager_EventCollection $events
      */
     public function detach(Zend_EventManager_EventCollection $events);
 }