remove has

composer.json

@@ -16,6 +16,7 @@
     "minimum-stability": "stable",
     "require": {
         "league/event": ">=3.0.3",
+        "potter/container": ">=0.0.1",
         "psr/event-dispatcher": ">=1.0.0",
         "symfony/event-dispatcher": ">=8.1.2",
         "symfony/event-dispatcher-contracts": ">=3.7.1",

src/Potter/Event/Behaviour.php

@@ -0,0 +1,25 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Potter\Event;
+
+use \Potter\Container;
+
+trait Behaviour 
+{
+    private static function addDispatcher(Container $container): void
+    {
+        $container->addShared(Dispatcher::class);
+    }
+    
+    private static function addEventBehaviour(Container $container): void
+    {
+        self::addDispatcher($container);
+    }
+    
+    private static function getDispatcher(Container $container): Dispatcher
+    {
+        return $container->get(Dispatcher::class);
+    }
+}

src/Potter/Event/Dispatcher.php

@@ -4,5 +4,6 @@ declare(strict_types=1);
 
 namespace Potter\Event;
 
-final class Dispatcher extends \League\Event\EventDispatcher
+final class Dispatcher 
+    extends \League\Event\EventDispatcher
 { }