...to any Modifications may add their own copyright notices to identify their own contributions. License: The contents of this file are subject to the BitTorrent Open Source License Version 1.0 (the License). You may not copy or use this file, in either source code or executable form, except in compliance with the License. You may obtain a copy of the License at http://www.bittorrent.com/license/. Software distributed under the License is distributed on an AS IS basis, WITHOUT WARRANTY...
--BitTorrent Open Source License, Version 1.1. (Paragraph 67.)