Actualización

vendor/symfony/asset/PackageInterface.php

@@ -0,0 +1,38 @@
+<?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\Asset;
+
+/**
+ * Asset package interface.
+ *
+ * @author Kris Wallsmith <kris@symfony.com>
+ */
+interface PackageInterface
+{
+    /**
+     * Returns the asset version for an asset.
+     *
+     * @param string $path A path
+     *
+     * @return string The version string
+     */
+    public function getVersion($path);
+
+    /**
+     * Returns an absolute or root-relative public path.
+     *
+     * @param string $path A path
+     *
+     * @return string The public path
+     */
+    public function getUrl($path);
+}