| // 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. |
| |
| // Class A has a type used in libb, but a class used in liba. |
| class A {} |
| |
| // Class B has a class used in the main output unit, and a type used in libb. |
| class B {} |
| |
| // Class C_Parent is extended is libb, and closed around in the main output |
| // unit. |
| class C_Parent {} |
| |
| // Classes D through F represent a simple heirarchy. |
| // D's type is used in liba. |
| // F is instantiated, but unused in libb. |
| class D {} |
| |
| class E extends D {} |
| |
| class F {} |
