import 'dart:core'; import 'package:json_annotation/json_annotation.dart'; part 'device_log_request.g.dart'; @JsonSerializable() class DeviceLogRequest { late DateTime startDateTime; late DateTime endDateTime; DeviceLogRequest(); Map toJson() => _$DeviceLogRequestToJson(this); factory DeviceLogRequest.fromJson(Map json) => _$DeviceLogRequestFromJson(json); }