// TODO(multitest): This was automatically migrated from a multitest and may
// contain strange or dead code.

// @dart = 2.9

// Copyright (c) 2012, 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 Fisk {
  get fisk => null;

  set fisk(x) {}


  get hest => null;
  set hest(x) {}

  foo() {}
  var field;
  method() {}
  nullary() {}
}

class Hest extends Fisk {




}

main() {
  new Fisk();
  new Hest();
}
