| // Copyright (c) 2024, 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. | |
| export 'shared_old.dart'; | |
| abstract interface class A { | |
| int method1(); | |
| } | |
| mixin M on A { | |
| String method2() => '${super.method1()} 2'; | |
| } |