public AnyTagHelper(IHtmlHelper helper, IModelMetadataProvider metadataProvider, HtmlMvcTagHelperContext modelContext)
 {
     this.metadataProvider = metadataProvider;
     this.helper = helper;
     this.modelContext = modelContext;
 }
 public ViewTagHelper(IJsonHelper json, HtmlMvcTagHelperContext context)
 {
     jsonHelper = json;
     modelContext = context;
 }