/*
 * Copyright (c) 2017 - present Facebook, Inc.
 * All rights reserved.
 *
 * This source code is licensed under the BSD style license found in the
 * LICENSE file in the root directory of this source tree. An additional grant
 * of patent rights can be found in the PATENTS file in the same directory.
 */
namespace FirstNameSpace {
namespace SecodNameSpace {
class C {
  void m();
};
}
void SecodNameSpace::C::m() {}
}