| // Copyright (c) 2022, 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. | |
| // Allow final classes to be extended by multiple classes in the same | |
| // library. | |
| final class FinalClass { | |
| int foo = 0; | |
| } | |
| abstract final class A extends FinalClass {} | |
| final class AImpl extends A {} | |
| final class B extends FinalClass {} |