class Build { final int id; final String pkg_name; final String version; final int status; final int? start_time, end_time; Build( {required this.id, required this.pkg_name, required this.version, required this.start_time, required this.end_time, required this.status}); factory Build.fromJson(Map json) { return Build( id: json["id"] as int, status: json["status"] as int, start_time: json["start_time"] as int?, end_time: json["end_time"] as int?, pkg_name: json["pkg_name"] as String, version: json["version"] as String, ); } }