protected function getImageUrl(ImagePathInterface $path) {
	    $url = $path->getPath();
	    if ($this->getOption('use_prefix', false)) {
	        $url = rtrim($path->getPrefix(), '/') . '/' . $url;
	    }
	    if ($this->getOption('root_url')) {
	        $url = rtrim($this->getOption('root_url'), '/') . '/' . $url;
	    }
	    return filter_var($url, FILTER_SANITIZE_URL);
	}