protected <Y> void packContentInner(Collection<Tie> in, Filter<? super Y> f, ClassContentSelector<Y> ccs,
boolean traverse, Relationship r, List<Tie> out) {
for (Tie t : in) {
Class<?> c = getRepresented(t);
NounPart subject = NounFactory.createNewSubjectNounPart(t);
if (model.withinModel(MemberHandle.convertClassName(c))) {
for (Y y : ccs.contents(c)) {
if ((y!=null) && ((f == null) || (f.accept(y)))) {
out.add(new Tie(subject, r, createNoun(y)));
}