pkg/front_end/testcases/shaker/classes_in_signatures.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.

import 'lib/lib.dart';

/// We preserve K because it is mentioned in a type.
K foo() => null;