Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

  https://www.apache.org/licenses/LICENSE-2.0

On Debian systems, the complete text of the Apache 2.0
License can be found in `/usr/share/common-licenses/Apache-2.0`. 

Permission is hereby granted by the authors of this software, to any person,
to use the software for any purpose, free of charge, including the rights to
run, read, copy, change, distribute and sell it, and including usage rights
to any patents the authors may hold on it, subject to the following
conditions:

* This license, or a link to its text, must be included with all copies of
  the software and any derivative works.

* Any modification to the software submitted to the authors may be
  incorporated into the software under the terms of this license.

The software is provided "as is", without warranty of any kind, including but
not limited to the warranties of title, fitness, merchantability and
non-infringement. The authors have no obligation to provide support or
updates for the software, and may not be held liable for any damages, claims
or other liability arising from its use. 

Permission is hereby granted, free of charge, to any person
obtaining a copy of this software and associated documentation files
(the "Software"), to deal in the Software without restriction,
including without limitation the rights to use, copy, modify, merge,
publish, distribute, sublicense, and/or sell copies of the Software,
and to permit persons to whom the Software is furnished to do so,
subject to the following conditions:

The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.