docs: private void clearTargets(final CmsDNDHandler handler) {
  
          ((CmsValuePanel)handler.getCurrentTarget()).removeHighlighting();
          handler.getCurrentTarget().getElement().getStyle().clearPosition();
          Scheduler.get().scheduleDeferred(new ScheduledCommand() {
  
              /**
               * @see com.google.gwt.user.client.Command#execute()
               */
              public void execute() {
  
                  handler.clearTargets();
              }
          });
      }