default services conflit ?

old.vendor/doctrine/persistence/lib/Doctrine/Common/NotifyPropertyChanged.php

@@ -0,0 +1,16 @@
+<?php
+
+namespace Doctrine\Common;
+
+use function class_alias;
+
+class_alias(
+    \Doctrine\Persistence\NotifyPropertyChanged::class,
+    __NAMESPACE__ . '\NotifyPropertyChanged'
+);
+
+if (false) {
+    interface NotifyPropertyChanged extends \Doctrine\Persistence\NotifyPropertyChanged
+    {
+    }
+}