Licensed under the Apache License, Version 2.0 (the "License");

Copyright (c) 2016 Modesty Zhang. (@modestyqz)

You may not use this work except in compliance with the License:
http://www.apache.org/licenses/LICENSE-2.0.

Unless required by applicable law or agreed to in writing, software
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See the License at http://www.apache.org/licenses/LICENSE-2.0 for the
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