}

    @Override
    public Optional<Packaging> lookup(String id) {
        id = id.toLowerCase(Locale.ROOT);
        // TODO: we should be able to inject a Map<String, LifecycleMapping> directly,
        // however, SISU visibility filtering can only happen when an explicit
        // lookup is performed. The whole problem here is caused by "project extensions"
        // which are bound to a project's classloader, without any clear definition