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<?php
/**
* Copyright (c) 2013 Robin Appelman <icewind@owncloud.com>
* This file is licensed under the Affero General Public License version 3 or
* later.
* See the COPYING-README file.
*/
namespace OC\Hooks;
/**
* Class Emitter
*
* interface for all classes that are able to emit events
*
* @package OC\Hooks
*/
interface Emitter {
/**
* @param string $scope
* @param string $method
* @param callable $callback
* @return void
*/
public function listen($scope, $method, $callback);
/**
* @param string $scope optional
* @param string $method optional
* @param callable $callback optional
* @return void
*/
public function removeListener($scope = null, $method = null, $callback = null);
}
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