}

    private <T> void registerInstanceOn(ModelRegistry modelRegistry, String path, ModelType<T> type, T instance) {
        registerFactoryOn(modelRegistry, path, type, Factories.constant(instance));
    }

    private <T> void registerFactoryOn(ModelRegistry modelRegistry, String path, ModelType<T> type, Factory<T> factory) {
        modelRegistry.register(ModelRegistrations