docs: public byte[] lastData()
    {
      if (tc.isEntryEnabled()) Tr.entry(tc, "lastData",this);
  
      byte[] lastData = null;
  
      // Assuming that we have actually added data to this section, '_lastData' always
      // references the last data item that was stored inside the recoverable unit
      // section. Retireve any data content and return it.
      if (_lastDataItem != null)
      {
        lastData = _lastDataItem.getData();
      }
      
      if (tc.isEntryEnabled()) Tr.exit(tc, "lastData",RLSUtils.toHexString(lastData,RLSUtils.MAX_DISPLAY_BYTES));
      return lastData;
    }