Upgrade framework

vendor/symfony/event-dispatcher/EventSubscriberInterface.php

@@ -12,7 +12,7 @@
 namespace Symfony\Component\EventDispatcher;
 
 /**
- * An EventSubscriber knows himself what events he is interested in.
+ * An EventSubscriber knows itself what events it is interested in.
  * If an EventSubscriber is added to an EventDispatcherInterface, the manager invokes
  * {@link getSubscribedEvents} and registers the subscriber as a listener for all
  * returned events.
@@ -36,11 +36,14 @@ interface EventSubscriberInterface
      *
      * For instance:
      *
-     *  * array('eventName' => 'methodName')
-     *  * array('eventName' => array('methodName', $priority))
-     *  * array('eventName' => array(array('methodName1', $priority), array('methodName2')))
+     *  * ['eventName' => 'methodName']
+     *  * ['eventName' => ['methodName', $priority]]
+     *  * ['eventName' => [['methodName1', $priority], ['methodName2']]]
      *
-     * @return array The event names to listen to
+     * The code must not depend on runtime state as it will only be called at compile time.
+     * All logic depending on runtime state must be put into the individual methods handling the events.
+     *
+     * @return array<string, string|array{0: string, 1: int}|list<array{0: string, 1?: int}>>
      */
     public static function getSubscribedEvents();
 }