code: @Override
      public Integer convertMQFeedbackToJS(Integer fb) {
          Integer result = null;
  
          // if fb is null, then the default result value of null is ok.
          if (fb != null)
              result = convertMQFeedbackToJS(fb.intValue());
  
          return result;
      }
docs: Convert from MQ feedback values to Jetstream values.
  
  @param fb An MQ feedback value
  @return The equivalent Jetstream value