code: function queryRefresh(queryList) {
      var queryListImpl = queryList;
      if (queryList.dirty) {
          queryList.reset(queryListImpl._valuesTree);
          queryList.notifyOnChanges();
          return true;
      }
      return false;
  }
docs: Refreshes a query by combining matches from all active views and removing matches from deleted
  views.
  Returns true if a query got dirty during change detection, false otherwise.