public static WidgetBuilder Widget(this VertexHelper helper, string widgetName)
        {
            var model = new SvgInjector() as ViewComponentBase; // fake instance

            model.ViewName = String.Format("UI/Widgets/{0}", widgetName);
            return(new WidgetBuilder(helper.HtmlHelper, model));
        }
        public static SvgInjectorBuilder SvgInjector(this VertexHelper helper, Action <SvgInjector> action)
        {
            var model = new SvgInjector();

            action.Invoke(model);
            return(new SvgInjectorBuilder(helper.HtmlHelper, model));
        }