code: public void addEvent(UserFeedbackEvent event) {
      UserFeedbackEvent[] oldEvents = feedbackEvents;
      feedbackEvents = new UserFeedbackEvent[feedbackEvents.length + 1];
      System.arraycopy(oldEvents, 0, feedbackEvents, 0, oldEvents.length);
      feedbackEvents[oldEvents.length] = event;
    }
docs: Add a UserFeedbackEvent, but don't log.