anchor.diff:    Map<String, CardsModel> get cardsModel => _cardsModel;
     bool get isLoading => _isLoading;
     DateTime get lastUpdated => _lastUpdated;
  -}
  +}
positive.code:     /// API Manager Service
      try {
        String cardListEndpoint =
            "https://mobile.ucsd.edu/replatform/v1/qa/webview/mihir-test/student_cards-v4.json";
        String _response =
            await _networkHelper.authorizedFetch(cardListEndpoint, headers);
        _cardsModel = cardsModelFromJson(_response);
        _isLoading = false;
        return true;
  
negative.code:     final Map<String, String> tokenHeaders = {
        "content-type": 'application/x-www-form-urlencoded',
        "Authorization":
        "Basic djJlNEpYa0NJUHZ5akFWT0VRXzRqZmZUdDkwYTp2emNBZGFzZWpmaWZiUDc2VUJjNDNNVDExclVh"
      };
      try {
        var response = await _networkHelper.authorizedPost(
  