private synchronized HFileArchiveManager createHFileArchiveManager()
    throws KeeperException, IOException {
    return new HFileArchiveManager(this.connection, this.getConf());
  }
@return A new {@link HFileArchiveManager} to manage which tables' hfiles should be archived
        rather than deleted.
@throws KeeperException if we can't reach zookeeper
@throws IOException     if an unexpected network issue occurs
hbase-server/src/main/java/org/apache/hadoop/hbase/backup/example/ZKTableArchiveClient.java