pkg/front_end/testcases/shaker/transitive_mixins_lib.dart

// Copyright (c) 2017, 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.md file.

class A {}

class B {}

class C extends Object with A implements B {}

class D {}