box.invalidate(Transaction.current().getNumber());
box.addNewVersion(Transaction.current().getNumber());
    protected void consolidateElementsIfLoaded() {	VBox<FunctionalSet<E>> box = getElementsBox();	if (box.hasValue()) {	    consolidateElements();	} else {	    if (elementsToAdd.get().size() + elementsToRemove.get().size() > 0) {		box.invalidate(Transaction.current().getNumber());	    }	}    }