class ComplaintType { final int typeId; final List reasons; ComplaintType({required this.typeId, required this.reasons}); factory ComplaintType.fromJson(Map json) { return ComplaintType( typeId: json['typeId'], reasons: (json['reasons'] as List) .map((reason) => ComplaintReason.fromJson(reason)) .toList(), ); } } class ComplaintReason { final String reasonTitle; final int reasonId; ComplaintReason({required this.reasonTitle, required this.reasonId}); factory ComplaintReason.fromJson(Map json) { return ComplaintReason( reasonTitle: json['reasonTitle'], reasonId: json['reasonId'], ); } } class ComplaintData { final List complainTypes; final int complainSync; ComplaintData({required this.complainTypes, required this.complainSync}); factory ComplaintData.fromJson(Map json) { return ComplaintData( complainTypes: (json['complains'] as List) .map((type) => ComplaintType.fromJson(type)) .toList(), complainSync: json['complainSync'], ); } }