pkg/front_end/testcases/nonfunction_type_aliases/aliased_checks_no_bodies_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.

class A {}

typedef B<X extends String> = A;

class C<Y extends B<int>> {}