// Copyright (c) 2021, the Dart project authors. Please see the AUTHORS file | |
// for details. All rights reserved. Use of this source code is governed by a | |
// BSD-style license that can be found in the LICENSE file. | |
import "dart:async"; | |
typedef S1<T> = dynamic; | |
typedef S2<T> = Null; | |
typedef S3<T> = void; | |
typedef S4<T> = FutureOr; | |
typedef S5<T> = FutureOr<T>; | |
main() {} |