code: public void setDescription(final String DESCRIPTION) {
          if (null == description) {
              _description = DESCRIPTION;
              fireTileEvent(VISIBILITY_EVENT);
              fireTileEvent(REDRAW_EVENT);
          } else {
              description.set(DESCRIPTION);
          }
      }
docs: Sets the description text of the gauge. This description text will usually
  only be visible if it is not empty.
  
  @param DESCRIPTION