docs: function (callback) {
        this.recognizer.delegate = this.delegate;
  
        this.recognizer.map(callback, function (recognizer, routes) {
          for (var i = routes.length - 1, proceed = true; i >= 0 && proceed; --i) {
            var route = routes[i];
            recognizer.add(routes, { as: route.handler });
            proceed = route.path === '/' || route.path === '' || route.handler.slice(-6) === '.index';
          }
        });
      }