code: public MessageOptions touchMessage(String id, String reservationId) throws IOException {
          return touchMessage(id, reservationId, null);
      }
docs: Touching a reserved message extends its timeout to the duration specified when the message was created.
  
  @param id The ID of the message to delete.
  @param reservationId This id is returned when you reserve a message and must be provided to delete a message that is reserved.
  
  @throws io.iron.ironmq.HTTPException If the IronMQ service returns a status other than 200 OK.
  @throws java.io.IOException If there is an error accessing the IronMQ server.