code: public void setShadowsEnabled(final boolean ENABLED) {
          if (null == shadowsEnabled) {
              _shadowsEnabled = ENABLED;
              fireTileEvent(REDRAW_EVENT);
          } else {
              shadowsEnabled.set(ENABLED);
          }
      }
docs: Defines if effects like shadows should be drawn.
  In some gauges inner- and dropshadows will be used which will be
  switched on/off by setting the shadowsEnabled property.
  
  @param ENABLED