ng.Route,
       *   newIndex:  number,  oldIndex:  number,
       *   newPath:   ?string, oldPath:   ?string,
       *   newParams: Object,  oldParams: Object,
       * }}
       */

      /** @override */
      domReady: function() {
        this.super();
        // Rather than performing this setup in `routingReady`, we defer until
        // domReady so that our children have a chance to set up.
        this._managedSelector = this._findChildSelector();
        // `routingReady` fires top-down; we need 