diff -r 000000000000 -r 7f95f8617b0b vendor/symfony/src/Symfony/Component/CssSelector/Node/NodeInterface.php
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/vendor/symfony/src/Symfony/Component/CssSelector/Node/NodeInterface.php	Sat Sep 24 15:40:41 2011 +0200
@@ -0,0 +1,37 @@
+<?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\CssSelector\Node;
+
+/**
+ * ClassNode represents a "selector.className" node.
+ *
+ * This component is a port of the Python lxml library,
+ * which is copyright Infrae and distributed under the BSD license.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+interface NodeInterface
+{
+    /**
+     * Returns a string representation of the object.
+     *
+     * @return string The string representation
+     */
+    function __toString();
+
+    /**
+     * @return XPathExpr The XPath expression
+     *
+     * @throws ParseException When unknown operator is found
+     */
+    function toXpath();
+}