import 'package:isar/isar.dart'; import 'package:json_annotation/json_annotation.dart'; part 'tour_position.g.dart'; @embedded @JsonSerializable() class TourPosition { late double lat; late double long; TourPosition(); factory TourPosition.fromJson(Map json) => _$TourPositionFromJson(json); Map toJson() => _$TourPositionToJson(this); }