�PNG  IHDR��;���IDATx��ܻn�0���K�� �)(�pA��� ���7�LeG{�� �§㻢|��ذaÆ 6lذaÆ 6lذaÆ 6lom��$^�y���ذag�5bÆ 6lذaÆ 6lذa{���� 6lذaÆ �`����}H�Fkm�,�m����Ӫ���ô�ô!� �x�|'ܢ˟;�E:���9�&ᶒ�}�{�v]�n&�6� �h��_��t�ڠ͵-ҫ���Z;��Z$�.�P���k�ž)�!��o���>}l�eQfJ�T��u і���چ��\��X=8��Rن4`Vw�l�>����n�G�^��i�s��"ms�$�u��i��?w�bs[m�6�K4���O���.�4��%����/����b�C%��t ��M�ז� �-l�G6�mrz2���s�%�9��s@���-�k�9�=���)������k�B5����\��+͂�Zsٲ ��Rn��~G���R���C����� �wIcI��n7jJ���hۛNCS|���j0��8y�iHKֶۛ�k�Ɉ+;Sz������L/��F�*\��Ԕ�#"5��m�2��[S��������=�g��n�a�P�e�ғ�L�� lذaÆ 6l�^k��̱aÆ 6lذaÆ 6lذa;���� �_��ذaÆ 6lذaÆ 6lذaÆ ���R���IEND�B` * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace Symfony\Component\EventDispatcher; use Symfony\Contracts\EventDispatcher\EventDispatcherInterface as ContractsEventDispatcherInterface; /** * The EventDispatcherInterface is the central point of Symfony's event listener system. * Listeners are registered on the manager and events are dispatched through the * manager. * * @author Bernhard Schussek */ interface EventDispatcherInterface extends ContractsEventDispatcherInterface { /** * Adds an event listener that listens on the specified events. * * @param callable $listener The listener * @param int $priority The higher this value, the earlier an event * listener will be triggered in the chain (defaults to 0) */ public function addListener(string $eventName, $listener, int $priority = 0); /** * Adds an event subscriber. * * The subscriber is asked for all the events it is * interested in and added as a listener for these events. */ public function addSubscriber(EventSubscriberInterface $subscriber); /** * Removes an event listener from the specified events. * * @param callable $listener The listener to remove */ public function removeListener(string $eventName, $listener); public function removeSubscriber(EventSubscriberInterface $subscriber); /** * Gets the listeners of a specific event or all listeners sorted by descending priority. * * @return array The event listeners for the specified event, or all event listeners by event name */ public function getListeners(string $eventName = null); /** * Gets the listener priority for a specific event. * * Returns null if the event or the listener does not exist. * * @param callable $listener The listener * * @return int|null The event listener priority */ public function getListenerPriority(string $eventName, $listener); /** * Checks whether an event has any registered listeners. * * @return bool true if the specified event has any listeners, false otherwise */ public function hasListeners(string $eventName = null); }