public function url($pipeline, $src, $scheme = false)
    {
        $src = ltrim(is_array($src) ? $src[0] : $src, '/');
        $version = $this->getPipelineVersion($pipeline);
        return Url::to("@web/$this->path/$pipeline/$version/$src", $scheme)
            . '?'
            . $this->getToken($src);
    }