extend \Symfony\Component\EventDispatcher\GenericEvent

src/Potter/Event/AbstractEvent.php

@@ -0,0 +1,10 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Potter\Event;
+
+use \Symfony\Component\EventDispatcher\GenericEvent;
+
+abstract class AbstractEvent extends GenericEvent implements EventInterface
+{ }