public static function rewriteUris($css, $options = array())
    {
        // Prepend the base URL and symlink schema so the proper root path gets prepended.
        $symlinks = array();

        if (is_link($_SERVER['DOCUMENT_ROOT'])) {
            $symlinks = array(
                '/'.$options['baseUrl'] => readlink($_SERVER['DOCUMENT_ROOT'])
            );
        }

        return \Minify_CSS_UriRewriter::rewrite($css, $options['currentDir'], $_SERVER['DOCUMENT_ROOT'], $symlinks);
    }