return null; // request.getWorkspaceModelResolver();
    }

    private static ModelResolver getModelResolver(ModelBuilderRequest request) {
        return request.getModelResolver();
    }

    private static ModelTransformerContextBuilder getTransformerContextBuilder(ModelBuilderRequest request) {
        return request.getTransformerContextBuilder();

    /**
     * Provides a map of user properties.
     * User properties
     */
    @Nonnull
    Map<String, String> getUserProperties();

    ModelResolver getModelResolver();

    @Nullable
    Object getListener();

    @Nullable
    ModelBuilderResult getInterimResult();

    @Nullable
    ModelTransformerContextBuilder getTransformerContextBuilder();