| // Copyright (c) 2023, 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. | |
| abstract class Class { | |
| void abstractSyncStar() sync*; | |
| void abstractAsync() async; | |
| void abstractAsyncStar() async*; | |
| } |