vendor/symfony/event-dispatcher/ImmutableEventDispatcher.php line 28
<?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\Component\EventDispatcher;/*** A read-only proxy for an event dispatcher.** @author Bernhard Schussek <bschussek@gmail.com>*/class ImmutableEventDispatcher implements EventDispatcherInterface{private EventDispatcherInterface $dispatcher;public function __construct(EventDispatcherInterface $dispatcher){$this->dispatcher = $dispatcher;}public function dispatch(object $event, string $eventName = null): object{return $this->dispatcher->dispatch($event, $eventName);}public function addListener(string $eventName, callable|array $listener, int $priority = 0){throw new \BadMethodCallException('Unmodifiable event dispatchers must not be modified.');}public function addSubscriber(EventSubscriberInterface $subscriber){throw new \BadMethodCallException('Unmodifiable event dispatchers must not be modified.');}public function removeListener(string $eventName, callable|array $listener){throw new \BadMethodCallException('Unmodifiable event dispatchers must not be modified.');}public function removeSubscriber(EventSubscriberInterface $subscriber){throw new \BadMethodCallException('Unmodifiable event dispatchers must not be modified.');}public function getListeners(string $eventName = null): array{return $this->dispatcher->getListeners($eventName);}public function getListenerPriority(string $eventName, callable|array $listener): ?int{return $this->dispatcher->getListenerPriority($eventName, $listener);}public function hasListeners(string $eventName = null): bool{return $this->dispatcher->hasListeners($eventName);}}