upgrade

vendor/symfony/config/Tests/Fixtures/BarNode.php

@@ -0,0 +1,18 @@
+<?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\Config\Tests\Fixtures;
+
+use Symfony\Component\Config\Definition\ArrayNode;
+
+class BarNode extends ArrayNode
+{
+}