code: function () {
      var routes = Array.prototype.slice.call(arguments);
      if (routes.length) {
        Ember.A(routes).forEach(function (child) {
          this._route(child);
        }, this);
      }
      else {
        if (!this.get('isResource')) {
          this.set('isResource', true);
        }
      }
      return this;
    }
docs: Define many child-routes to this route
  
  @method routes
  @params {RouteMeta} [meta...]
  @chainable