// Copyright (c) 2015, 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.

part of manual_inspector_test;

functionInPart() {

}

set explicitSetter(x) {}

get explicitGetter {}


class D {
  set explicitSetter(x) {}

  get explicitGetter {}
}

