pkg/front_end/testcases/dart2js/mixin_from_opt_in/opt_out_lib.dart

// 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.

// @dart=2.9

import 'opt_in_lib.dart';

class SubClass extends Class with Mixin {}