pkg/front_end/testcases/class_modifiers/interface/outside_library/main.dart

// 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.

import 'main_lib.dart';

class ExtendsInterfaceClass extends A {}

mixin MixinOnA on A {}

mixin MixinOnAM on A, B {}