docs: public byte[] getOtidBytes() {
          if (tc.isEntryEnabled())
              Tr.entry(tc, "getOtidBytes");
  
          if (_otid == null) {
              final int total_length = _gtrid.length + _bqual.length;
              _otid = new byte[total_length];
  
              System.arraycopy(_gtrid, 0, _otid, 0, _gtrid.length);
              System.arraycopy(_bqual, 0, _otid, _gtrid.length, _bqual.length);
          }
  
          if (tc.isEntryEnabled())
              Tr.exit(tc, "getOtidBytes", _otid);
  
          return Util.duplicateByteArray(_otid);
      }