text: ///////////////////////////////////////////////////////////////////////////////
  // Copyright (c) 2017-2018 Koren Lev (Cisco Systems),                         /
  // Yaron Yogev (Cisco Systems), Ilia Abashin (Cisco Systems) and others       /
  //                                                                            /
  // All rights reserved. This program and the accompanying materials           /
  // are made available under the terms of the Apache License, Version 2.0      /
  // which accompanies this distribution, and is available at                   /
  // http://www.apache.org/licenses/LICENSE-2.0                                 /
  ///////////////////////////////////////////////////////////////////////////////
  