LICENSE.txt

Unless otherwise specified, all software contained herein is licensed
under the Apache License, Version 2.0 (the "Software License");
you may not use this software except in compliance with the Software
License. You may obtain a copy of the Software License at

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

Unless required by applicable law or agreed to in writing, software
distributed under the Software License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the Software License for the specific language governing permissions
and limitations under the Software License.