private Void onRepeated(DPattern p,boolean optional) {
RawTypeSet rts = RawTypeSetBuilder.build(compiler, p, optional? Multiplicity.STAR : Multiplicity.PLUS);
if(rts.canBeTypeRefs==RawTypeSet.Mode.SHOULD_BE_TYPEREF) {
CElementPropertyInfo prop = new CElementPropertyInfo(
calcName(p),REPEATED_ELEMENT,ID.NONE,null,null,null,p.getLocation(),!optional);
rts.addTo(prop);
clazz.addProperty(prop);
} else {
CReferencePropertyInfo prop = new CReferencePropertyInfo(
calcName(p),true,!optional,false/*TODO*/,null,null,p.getLocation(), false, false, false);
rts.addTo(prop);