code: public ReadWritePair openReadWrite(boolean isAutoFlush) throws IOException
    {
      clearStatusCache();
  
      StreamImpl impl = openReadWriteImpl();
      //impl.setPath(this);
  
      WriteStreamOld writeStream = new WriteStreamOld(impl);
      ReadStreamOld readStream;
  
      if (isAutoFlush)
        readStream = new ReadStreamOld(impl);
      else
        readStream = new ReadStreamOld(impl);
  
      return new ReadWritePair(readStream, writeStream);
    }
docs: Opens a ReadWritePair for reading and writing.
  
  <p>A chat channel, for example, would open its socket using this
  interface.