1Copyright (c) 2017, Google Inc. 2Licensed under the Apache License, Version 2.0 (the "License"); 3you may not use this file except in compliance with the License. 4Unless required by applicable law or agreed to in writing, software 5distributed under the License is distributed on an "AS IS" BASIS, 6WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 7See the License for the specific language governing permissions and 8limitations under the License. 9 Apache License 10 Version 2.0, January 2004 11 http://www.apache.org/licenses/ 12TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION 131. 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