import 'package:equatable/equatable.dart'; import 'package:jmap_dart_client/jmap/core/id.dart'; enum ForwardIdType { singleton('singleton'); const ForwardIdType(this.value); final String value; } class ForwardId with EquatableMixin { final Id id; ForwardId({ required this.id, }); @override List get props => [id]; } extension ForwardIdSingleton on ForwardId { static ForwardId get forwardIdSingleton => ForwardId(id: Id(ForwardIdType.singleton.value)); }