code: private final void doPadding() {
          if(_padContext != null && !_padContext.checkMinRepeat(_renderedItems)) {
              /*
                since padding is now running, un-set the current item so that the last
                item isn't accessible during any later data binding
               */
              _currentItem = null;
  
              for(int i = _renderedItems; !_padContext.checkMinRepeat(i); i++) {
                  _currentIndex++;
                  addContent(_padContext.getPadText());
              }
          }
      }
docs: When using the repeater's pad tag, it is possible to require a minimum number of
  items render in the repeater.  This method pads out the number of items until it
  reaches the {@link org.apache.beehive.netui.tags.databinding.repeater.pad.PadContext}'s
  <code>minRepeat</code> property.