public static FlushRegionRequest buildFlushRegionRequest(final byte[] regionName) {
    return buildFlushRegionRequest(regionName, null, false);
  }
Create a protocol buffer FlushRegionRequest for a given region name
@param regionName the name of the region to get info
@return a protocol buffer FlushRegionRequest
hbase-client/src/main/java/org/apache/hadoop/hbase/shaded/protobuf/RequestConverter.java