}

    public NotationParser<N, Set<T>> toFlatteningComposite() {
        return wrapInErrorHandling(new FlatteningNotationParser<>(create()));
    }

    public NotationParser<N, T> toComposite() {
        return wrapInErrorHandling(create());
    }

    private <S> NotationParser<N, S> wrapInErrorHandling(NotationParser<N, S> parser) {
        if (typeDisplayName == null) {