Session.getInstance().getEventBus().addObservers(new Observer<BaseDataResponseEvent<Bannerable>>()
{
public void update(final BaseDataResponseEvent<Bannerable> arg1)
{
Session.getInstance().getEventBus().notifyObservers(
new ClearUploadedImageEvent(entityType, ImageType.BANNER, arg1.getResponse()));
}
}, DeleteGroupBannerResponseEvent.class);
}