docs: protected boolean getBoolean()
    {                                                     
      if (tc.isEntryEnabled()) Tr.entry(tc, "getBoolean", this);
  
      byte dataByte = _buffer.get();
      boolean data = (dataByte == TRUE);
  
      if (tc.isEntryEnabled()) Tr.exit(tc, "getBoolean", new Boolean(data));
      return data;
    }