default services conflit ?

old.vendor/symfony/event-dispatcher/Debug/TraceableEventDispatcherInterface.php

@@ -0,0 +1,42 @@
+<?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\Debug;
+
+use Symfony\Component\EventDispatcher\EventDispatcherInterface;
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Contracts\Service\ResetInterface;
+
+/**
+ * @deprecated since Symfony 4.1
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+interface TraceableEventDispatcherInterface extends EventDispatcherInterface, ResetInterface
+{
+    /**
+     * Gets the called listeners.
+     *
+     * @param Request|null $request The request to get listeners for
+     *
+     * @return array An array of called listeners
+     */
+    public function getCalledListeners(/* Request $request = null */);
+
+    /**
+     * Gets the not called listeners.
+     *
+     * @param Request|null $request The request to get listeners for
+     *
+     * @return array An array of not called listeners
+     */
+    public function getNotCalledListeners(/* Request $request = null */);
+}