diff -r 000000000000 -r 7f95f8617b0b vendor/assetic/src/Assetic/Asset/AssetInterface.php
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/vendor/assetic/src/Assetic/Asset/AssetInterface.php	Sat Sep 24 15:40:41 2011 +0200
@@ -0,0 +1,135 @@
+<?php
+
+/*
+ * This file is part of the Assetic package, an OpenSky project.
+ *
+ * (c) 2010-2011 OpenSky Project Inc
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Assetic\Asset;
+
+use Assetic\Filter\FilterInterface;
+
+/**
+ * An asset has a mutable URL and content and can be loaded and dumped.
+ *
+ * @author Kris Wallsmith <kris.wallsmith@gmail.com>
+ */
+interface AssetInterface
+{
+    /**
+     * Ensures the current asset includes the supplied filter.
+     *
+     * @param FilterInterface $filter A filter
+     */
+    function ensureFilter(FilterInterface $filter);
+
+    /**
+     * Returns an array of filters currently applied.
+     *
+     * @return array An array of filters
+     */
+    function getFilters();
+
+    /**
+     * Clears all filters from the current asset.
+     */
+    function clearFilters();
+
+    /**
+     * Loads the asset into memory and applies load filters.
+     *
+     * You may provide an additional filter to apply during load.
+     *
+     * @param FilterInterface $additionalFilter An additional filter
+     */
+    function load(FilterInterface $additionalFilter = null);
+
+    /**
+     * Applies dump filters and returns the asset as a string.
+     *
+     * You may provide an additional filter to apply during dump.
+     *
+     * Dumping an asset should not change its state.
+     *
+     * If the current asset has not been loaded yet, it should be
+     * automatically loaded at this time.
+     *
+     * @param FilterInterface $additionalFilter An additional filter
+     *
+     * @return string The filtered content of the current asset
+     */
+    function dump(FilterInterface $additionalFilter = null);
+
+    /**
+     * Returns the loaded content of the current asset.
+     *
+     * @return string The content
+     */
+    function getContent();
+
+    /**
+     * Sets the content of the current asset.
+     *
+     * Filters can use this method to change the content of the asset.
+     *
+     * @param string $content The asset content
+     */
+    function setContent($content);
+
+    /**
+     * Returns an absolute path or URL to the source asset's root directory.
+     *
+     * This value should be an absolute path to a directory in the filesystem,
+     * an absolute URL with no path, or null.
+     *
+     * For example:
+     *
+     *  * '/path/to/web'
+     *  * 'http://example.com'
+     *  * null
+     *
+     * @return string|null The asset's root
+     */
+    function getSourceRoot();
+
+    /**
+     * Returns the relative path for the source asset.
+     *
+     * This value can be combined with the asset's source root (if both are
+     * non-null) to get something compatible with file_get_contents().
+     *
+     * For example:
+     *
+     *  * 'js/main.js'
+     *  * 'main.js'
+     *  * null
+     *
+     * @return string|null The source asset path
+     */
+    function getSourcePath();
+
+    /**
+     * Returns the URL for the current asset.
+     *
+     * @return string|null A web URL where the asset will be dumped
+     */
+    function getTargetPath();
+
+    /**
+     * Sets the URL for the current asset.
+     *
+     * @param string $targetPath A web URL where the asset will be dumped
+     */
+    function setTargetPath($targetPath);
+
+    /**
+     * Returns the time the current asset was last modified.
+     *
+     * @return integer|null A UNIX timestamp
+     */
+    function getLastModified();
+}