writeString(out, connectionID);
out.writeInt(connectionID);
   public void writeExternal(ObjectOutput out) throws IOException   {      super.writeExternal(out);      out.writeObject(destination);      out.writeObject(replyToDestination);      writeString(out, jmsType);      writeMap(out, properties);                  if (correlationIDBytes == null)      {         out.writeInt(-1);      }      else      {         out.writeInt(correlationIDBytes.length);         out.write(correlationIDBytes);      }         writeString(out, correlationID);            writeString(out, connectionID);   }