diff --git a/jsf/jsf-tests.ts b/jsf/jsf-tests.ts
index b56749a4a..3c594f1e5 100644
--- a/jsf/jsf-tests.ts
+++ b/jsf/jsf-tests.ts
@@ -1,2 +1,27 @@
 /// <reference path="jsf.d.ts" />
 
+function callbackWithoutData() {
+
+}
+
+function callback(data: jsf.ajax.RequestData) {
+
+}
+
+class RequestOptionsImpl implements jsf.ajax.RequestOptions {
+    execute = "@all";
+    render =  "@none";
+}
+
+
+jsf.ajax.addOnEvent(callbackWithoutData);
+jsf.ajax.addOnEvent(callback);
+
+jsf.ajax.addOnError(callbackWithoutData);
+jsf.ajax.addOnError(callback);
+
+jsf.ajax.request("someSource");
+jsf.ajax.request("someSource", "change");
+jsf.ajax.request("someSource", "change", new RequestOptionsImpl());
+
+jsf.ajax.response("someRequestObject", "someContextObject");
diff --git a/jsf/jsf.d.ts b/jsf/jsf.d.ts
index 9c7f6a43d..d19dafe0e 100644
--- a/jsf/jsf.d.ts
+++ b/jsf/jsf.d.ts
@@ -3,7 +3,7 @@
 // Definitions by: Lars Michaelis and Stephan Zerhusen <https://github.com/ButterFaces/ButterFaces>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
 
-declare module "jsf" {
+declare module jsf {
    module ajax {
 
       interface RequestData {