                                 Apache License
                           Version 2.0, January 2004
                        http://www.apache.org/licenses/

   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

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

   Full license text: https://www.apache.org/licenses/LICENSE-2.0