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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
  */
 
 /**
  * Representation of an event
  *
  * @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_EventDescription
 {
     /**
      * Get event name
      * 
      * @return string
      */
     public function getName();
 
     /**
      * Get target/context from which event was triggered
      * 
      * @return null|string|object
      */
     public function getTarget();
 
     /**
      * Get parameters passed to the event
      * 
      * @return array|ArrayAccess
      */
     public function getParams();
 
     /**
      * Get a single parameter by name
      * 
      * @param  string $name 
      * @param  mixed $default Default value to return if parameter does not exist
      * @return mixed
      */
     public function getParam($name, $default = null);
 
     /**
      * Set the event name
      * 
      * @param  string $name 
      * @return void
      */
     public function setName($name);
 
     /**
      * Set the event target/context
      * 
      * @param  null|string|object $target 
      * @return void
      */
     public function setTarget($target);
 
     /**
      * Set event parameters
      * 
      * @param  string $params 
      * @return void
      */
     public function setParams($params);
 
     /**
      * Set a single parameter by key
      * 
      * @param  string $name 
      * @param  mixed $value 
      * @return void
      */
     public function setParam($name, $value);
 
     /**
      * Indicate whether or not the parent EventCollection should stop propagating events
      * 
      * @param  bool $flag 
      * @return void
      */
     public function stopPropagation($flag = true);
 
     /**
      * Has this event indicated event propagation should stop?
      * 
      * @return bool
      */
     public function propagationIsStopped();
 }