import 'package:tmail_ui_user/features/offline_mode/observer/work_observer.dart'; class SendingEmailObserver extends WorkObserver { static SendingEmailObserver? _instance; SendingEmailObserver._(); factory SendingEmailObserver() => _instance ??= SendingEmailObserver._(); @override Future observe(String taskId, Map inputData) async { } @override Future bindDI() async { } }