Updated definitions with checkForm() function on Validator prototype

jquery.validation/index.d.ts

@@ -217,6 +217,7 @@ declare namespace JQueryValidation
     interface Validator
     {
         element(element: string|JQuery): boolean;
+        checkForm(): boolean;
         /**
          * Validates the form, returns true if it is valid, false otherwise.
          */

jquery.validation/jquery.validation-tests.ts

@@ -208,6 +208,7 @@ function test_methods() {
         $("#myform").submit();
         $("#myinput").attr(rules);
     });
+    $("#myform").validate().checkForm();
     $("#myform").validate().form();
     $("#myform").validate().element("#myselect");
     $("#myform").validate().element($("#myselect"));