the latest code

vendor/symfony/var-dumper/Caster/VirtualStub.php

@@ -0,0 +1,21 @@
+<?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\VarDumper\Caster;
+
+class VirtualStub extends ConstStub
+{
+    public function __construct(\ReflectionProperty $property)
+    {
+        parent::__construct('~'.($property->hasType() ? ' '.$property->getType() : ''), 'Virtual property');
+        $this->attr['virtual'] = true;
+    }
+}