public TOnlineLogRecord setBlockBytesScanned(long blockBytesScanned) {
    this.blockBytesScanned = blockBytesScanned;
    setBlockBytesScannedIsSet(true);
    return this;
  }
Returns true if field regionName is set (has been assigned a value) and false otherwise
hbase-thrift/src/main/java/org/apache/hadoop/hbase/thrift2/generated/TOnlineLogRecord.java