static <E> EventStream<QuasiListChange<? extends E>> quasiChangesOf(ObservableList<E> list) {
if (list instanceof LiveList) {
LiveList<E> lst = (LiveList<E>) list;
return lst.quasiChanges();
} else {
return new EventStreamBase<QuasiListChange<? extends E>>() {
@Override
protected Subscription observeInputs() {
return LiveList.<E>observeQuasiChanges(list, this::emit);
}
};
}
}
