private void normalizeDefaults() {
    myNotNulls.removeAll(myDefaultNullables.keySet());
    myNullables.removeAll(myDefaultNotNulls.keySet());
    myNullables.addAll(ContainerUtil.filter(myDefaultNullables.keySet(), s -> !myNullables.contains(s)));
    myNotNulls.addAll(ContainerUtil.filter(myDefaultNotNulls.keySet(), s -> !myNotNulls.contains(s)));
    myTracker.incModificationCount();
  }
private void normalizeDefaults()