public RegionMoverBuilder timeout(int timeout) {
      this.timeout = timeout;
      return this;
    }
Set the timeout for Load/Unload operation in seconds.This is a global timeout,threadpool for
movers also have a separate time which is hbase.move.wait.max * number of regions to
load/unload
@param timeout in seconds
@return RegionMoverBuilder object
hbase-server/src/main/java/org/apache/hadoop/hbase/util/RegionMover.java