public static function createRouteBuilder($path, array $options = [])
    {
        $defaults = [
            'routeClass' => static::defaultRouteClass(),
            'extensions' => static::$_defaultExtensions,
        ];
        $options += $defaults;

        return new RouteBuilder(static::$_collection, $path, [], [
            'routeClass' => $options['routeClass'],
            'extensions' => $options['extensions'],
        ]);
    }