anchor.diff:        this.surveyCompletion,
         this.selectedVentilationLocations,
         this.cardOrder,
  -      this.cardStates});
  +      this.cardStates,
  +      this.cardMappings});
   
     factory UserProfileModel.fromJson(Map<String, dynamic> json) =>
         UserProfileModel(
  
positive.code:             ? null
              : Map.from(
                  cardStates!.map((x, y) => MapEntry<String?, bool>(x, y))),
        };
  }
  
  
negative.code:             ? Map<String, bool>()
              : Map<String, bool>.from(
                  json["cardStates"].map((x, y) => MapEntry<String, bool>(x, y))),
          cardMappings: json["cardMappings"] == null
              ? Map<String, dynamic>()
              : Map<String, dynamic>.from(json["cardMappings"]
                  .map((x, y) => MapEntry<String, dynamic>(x, y))),
        );
  
    Map<String, dynamic> toJson() => {
  