public static CloseRegionRequest buildCloseRegionRequest(ServerName server, byte[] regionName,
    ServerName destinationServer) {
    return buildCloseRegionRequest(server, regionName, destinationServer, -1);
  }
Create a CloseRegionRequest for a given region name
@param regionName the name of the region to close
@return a CloseRegionRequest
hbase-client/src/main/java/org/apache/hadoop/hbase/shaded/protobuf/ProtobufUtil.java