@Override
 public ImageDescriptor getImageDescriptor() {
   return IArchimateImages.ImageFactory.getImageDescriptor(
       IArchimateImages.ICON_BUSINESS_REPRESENTATION_16);
 }
 @Override
 public ImageDescriptor getImageDescriptor() {
   return IArchimateImages.ImageFactory.getImageDescriptor(
       IArchimateImages.ICON_BUSINESS_ACTIVITY_16);
 }
 @Override
 public ImageDescriptor getImageDescriptor() {
   return IArchimateImages.ImageFactory.getImageDescriptor(
       IArchimateImages.ICON_APPLICATION_FUNCTION_16);
 }