https://hbase.apache.org/2.5/devapidocs/org/apache/hadoop/hbase/client/AsyncRequestFutureImpl.html
AsyncRequestFutureImpl (Apache HBase 2.5.0 API)
apache hbaseapi
https://hbase.apache.org/2.3/devapidocs/org/apache/hadoop/hbase/client/AsyncRequestFutureImpl.Retry.html
AsyncRequestFutureImpl.Retry (Apache HBase 2.3.0 API)
apache hbaseretryapi