public static Object realize(ModelRegistry modelRegistry, String path) {
        return modelRegistry.realize(ModelPath.nonNullValidatedPath(path), ModelType.UNTYPED);
    }

    public static <T> T realize(ModelRegistry modelRegistry, String path, Class<T> type) {
        return modelRegistry.realize(ModelPath.nonNullValidatedPath(path), ModelType.of(type));
    }

    // ModelRegistrations.Builder methods

        if (path == null) {
            return null;
        } else {
            validatePath(path);
            return path(path);
        }
    }

    public static ModelPath nonNullValidatedPath(String path) {
        if (path == null) {
            throw new IllegalArgumentException("path cannot be null");
        } else {
            return validatedPath(path);
        }
    }