      * @attribute selectedPath
         * @type ?string
         * @readonly
         */
        selectedPath: null,

        /**
         * The params of the selected route, or an empty object if no route.
         *
         * @attribute selectedParams
         * @type Object
         * @readonly
         */
        selectedParams: {},
      },

      /**
       * @event more-route-selected fires when a new route is selected.
       * @param {{
       *   newRoute:  MoreRouting.Route, oldRoute: MoreRouti