// todo: handle identifier
//attributeBinding = collectionBinding;
//hibernateMappingBinder.getHibernateXmlBinder().getMetadata().addCollection( attributeBinding );
}
else if ( XMLSetElement.class.isInstance( attribute ) ) {
XMLSetElement collection = XMLSetElement.class.cast( attribute );
//BagBinding collectionBinding = entityBinding.makeBagAttributeBinding( collection.getName() );
//bindSet( collection, collectionBinding, entityBinding, PluralAttributeNature.SET, collection.getName() );
//attributeBinding = collectionBinding;
//hibernateMappingBinder.getHibernateXmlBinder().getMetadata().addCollection( attributeBinding );
}