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- <?php
- /*
- * This file is part of the Symfony package.
- *
- * (c) Fabien Potencier <fabien@symfony.com>
- *
- * For the full copyright and license information, please view the LICENSE
- * file that was distributed with this source code.
- */
- namespace Symfony\Contracts\EventDispatcher;
- use Psr\EventDispatcher\EventDispatcherInterface as PsrEventDispatcherInterface;
- /**
- * Allows providing hooks on domain-specific lifecycles by dispatching events.
- */
- interface EventDispatcherInterface extends PsrEventDispatcherInterface
- {
- /**
- * Dispatches an event to all registered listeners.
- *
- * @param object $event The event to pass to the event handlers/listeners
- * @param string|null $eventName The name of the event to dispatch. If not supplied,
- * the class of $event should be used instead.
- *
- * @return object The passed $event MUST be returned
- */
- public function dispatch(object $event, string $eventName = null): object;
- }
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