go_router.dart error(auth_provider내 redirectLogic)

auth_provider.dart내에서 redirectLogin 추가하고 이런 에러가 나와서요 아무리 소스코드를 확인해봐도.. type에러인것 같긴한데.. 부탁드립니다.

String? redirectLogic(GoRouterState state) { final UserModelBase? user = ref.read(userMeProvider);

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lib/common/provider/go_router.dart:14:24: Error: The argument type 'String? Function(GoRouterState)' can't be assigned to the parameter type 'FutureOr<String?> Function(BuildContext, GoRouterState)?'.

- 'GoRouterState' is from 'package:go_router/src/state.dart' ('../../Libraries/flutter/.pub-cache/hosted/pub.dartlang.org/go_router-5.2.4/lib/src/state.dart').

- 'BuildContext' is from 'package:flutter/src/widgets/framework.dart' ('../../Libraries/flutter/packages/flutter/lib/src/widgets/framework.dart').

go_router.dart

import 'package:actual/user/provider/auth_provider.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:go_router/go_router.dart';

final routerProvider = Provider<GoRouter>((ref) {
  // watch - 값이 변경될때마다 다시 빌드
  // read - 한번만 읽고 값이 변경돼도 다시 빌드하지 않음
  final provider = ref.read(authProvider);

  return GoRouter(
    routes: provider.routes,
    initialLocation: '/splash',
    refreshListenable: provider,
    redirect: provider.redirectLogic,
  );
});