class Traffic { int? status; Data? data; Traffic({this.status, this.data}); Traffic.fromJson(Map json) { status = json['status']; data = json['data'] != null ? Data.fromJson(json['data']) : null; } } class Data { List? totalReal; Data({ this.totalReal, }); Data.fromJson(Map json) { totalReal = json['total_real'].cast(); } }