default services conflit ?

old.vendor/twig/twig/lib/Twig/TokenParser.php

@@ -0,0 +1,14 @@
+<?php
+
+use Twig\TokenParser\AbstractTokenParser;
+
+class_exists('Twig\TokenParser\AbstractTokenParser');
+
+@trigger_error('Using the "Twig_TokenParser" class is deprecated since Twig version 2.7, use "Twig\TokenParser\AbstractTokenParser" instead.', \E_USER_DEPRECATED);
+
+if (false) {
+    /** @deprecated since Twig 2.7, use "Twig\TokenParser\AbstractTokenParser" instead */
+    class Twig_TokenParser extends AbstractTokenParser
+    {
+    }
+}