public static function render($navigationFile, $requestedUri = false, $options = null)
    {
        $instance = new Navigation($navigationFile, $requestedUri);
        if ($options) {
            if (isset($options['breadcrumb'])) {
                $temp = $instance->filterBreadcrumb();
                if ($temp) {
                    return $instance->dom->saveXML($temp);
                }
            }
            if (isset($options['range']) && $temp = $instance->filterRange($options['range'])) {
                return $instance->dom->saveXML($temp);
            }
        } else {
            return $instance->dom->saveXML($instance->dom->documentElement);
        }
    }