pkg/front_end/testcases/super_parameters/super_key/main_lib.dart

// Copyright (c) 2025, 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 Key {}

class StatefulWidget {
  final Key? key;

  const StatefulWidget({this.key});
}