code: public void reply(HeadersAmp headers,
                      String to,
                      long qid,
                      Object value)
      throws IOException
    {
      if (log.isLoggable(Level.FINEST)) {
        log.finest(this + " reply " + value
                  + "\n  {to:" + to + "," + headers + "}");
      }
  
      try {
        JsonWriterImpl jOut = _jOut;
        jOut.init();
  
        jOut.writeStartArray();
        jOut.write("reply");
  
        writeHeaders(jOut, headers);
  
        jOut.write(to);
        jOut.write(qid);
  
        jOut.write(value);
  
        jOut.writeEndArray();
  
        jOut.close();
      } catch (Throwable e) {
        log.log(Level.WARNING, e.toString(), e);
        
        throw e;
      }
    }
docs: Sends a message to a given address