import 'package:json_annotation/json_annotation.dart'; part 'logout_message.g.dart'; @JsonSerializable() class LogoutMessage { late LogoutContainer logout; LogoutMessage(); factory LogoutMessage.fromJson(Map json) => _$LogoutMessageFromJson(json); Map toJson() => _$LogoutMessageToJson(this); } @JsonSerializable() class LogoutContainer { late LogoutMessagePosition? pos; LogoutContainer(); factory LogoutContainer.fromJson(Map json) => _$LogoutContainerFromJson(json); Map toJson() => _$LogoutContainerToJson(this); } @JsonSerializable() class LogoutMessagePosition { late String time; late double lat; late double long; late int acc; LogoutMessagePosition(); factory LogoutMessagePosition.fromJson(Map json) => _$LogoutMessagePositionFromJson(json); Map toJson() => _$LogoutMessagePositionToJson(this); }