anchor.diff:    DateTime _lastUpdated;
     String _error;
     final NetworkHelper _networkHelper = NetworkHelper();
  -  final Map<String, String> headers = {
  -    "accept": ":application/json",
  -  };
     final String baseEndpoint =
         "https://pg83tslbyi.execute-api.us-west-2.amazonaws.com/prod/v3/dining/";
   
  
positive.code:     _isLoading = true;
      try {
        /// fetch data
        String _response = await _networkHelper.authorizedFetch(
            baseEndpoint + 'locations', headers);
  
        /// parse data
        final data = diningModelFromJson(_response);
  
negative.code:     _isLoading = true;
      try {
        /// fetch data
        String _response =
            await _networkHelper.fetchData(baseEndpoint + 'menu/' + id);
  
        /// parse data
        final data = diningMenuItemsModelFromJson(_response);
  