Apache ZooKeeper Copyright 2009-2021 The Apache Software Foundation This product includes software developed at The Apache Software Foundation (http://www.apache.org/). This product includes software components originally developed for Airlift (https://github.com/airlift/airlift), licensed under the Apache 2.0 license. The licensing terms for Airlift code can be found at: https://github.com/airlift/airlift/blob/master/LICENSE