diff -r 000000000000 -r 7f95f8617b0b vendor/symfony/src/Symfony/Component/DependencyInjection/Extension/ExtensionInterface.php
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/vendor/symfony/src/Symfony/Component/DependencyInjection/Extension/ExtensionInterface.php	Sat Sep 24 15:40:41 2011 +0200
@@ -0,0 +1,65 @@
+<?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\DependencyInjection\Extension;
+
+use Symfony\Component\DependencyInjection\ContainerBuilder;
+
+/**
+ * ExtensionInterface is the interface implemented by container extension classes.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ *
+ * @api
+ */
+interface ExtensionInterface
+{
+    /**
+     * Loads a specific configuration.
+     *
+     * @param array            $config    An array of configuration values
+     * @param ContainerBuilder $container A ContainerBuilder instance
+     *
+     * @throws \InvalidArgumentException When provided tag is not defined in this extension
+     *
+     * @api
+     */
+    function load(array $config, ContainerBuilder $container);
+
+    /**
+     * Returns the namespace to be used for this extension (XML namespace).
+     *
+     * @return string The XML namespace
+     *
+     * @api
+     */
+    function getNamespace();
+
+    /**
+     * Returns the base path for the XSD files.
+     *
+     * @return string The XSD base path
+     *
+     * @api
+     */
+    function getXsdValidationBasePath();
+
+    /**
+     * Returns the recommended alias to use in XML.
+     *
+     * This alias is also the mandatory prefix to use when using YAML.
+     *
+     * @return string The alias
+     *
+     * @api
+     */
+    function getAlias();
+}