AppFlowy/app_flowy/lib/welcome/domain/auth_state.dart

import 'package:freezed_annotation/freezed_annotation.dart';
part 'auth_state.freezed.dart';

@freezed
abstract class AuthState with _$AuthState {
  const factory AuthState.authenticated() = Authenticated;
  const factory AuthState.unauthenticated() = Unauthenticated;
}