public synchronized byte[] getVersionedBytes() {
    if (this.bytes == null) {
      this.bytes = Bytes.add(VERSION_BYTES, Bytes.toBytes(getServerName()));
    }
    return this.bytes;
  }
Return {@link #getServerName()} as bytes with a short-sized prefix with the {@link #VERSION} of
this class.
hbase-common/src/main/java/org/apache/hadoop/hbase/ServerName.java