case ATTRIBUTE:
handleAttributeProp((AttributePropertyInfo<T,C>)p,se);
break;
case VALUE:
TODO.checkSpec("what if vp.isCollection() == true?");
ValuePropertyInfo vp = (ValuePropertyInfo) p;
se.base(vp.getTarget().getTypeName());
break;
case ELEMENT: // error
case REFERENCE: // error
default:
assert false;