Inheritance: System.Web.Routing.Route
 private Route CreateUrlRoute(RouteCollection routes, string name, string url, object defaults, object constraints, string[] namespaces)
 {
     if (routes == null)
         throw new ArgumentNullException("routes");
     if (url == null)
         throw new ArgumentNullException("url");
     var route = new ServiceRoute(url, (IRouteHandler)new MvcRouteHandler())
     {
         Defaults = CreateRouteValueDictionary(defaults),//RouteCollectionExtensions.CreateRouteValueDictionaryUncached(defaults),
         Constraints = CreateRouteValueDictionary(constraints),//RouteCollectionExtensions.CreateRouteValueDictionaryUncached(constraints),
         DataTokens = new RouteValueDictionary()
     };
     if (namespaces != null && namespaces.Length > 0)
         route.DataTokens["Namespaces"] = (object)namespaces;
     Validate(route);
     routes.Add(name, (RouteBase)route);
     return route;
 }