diff --git a/yamljs/yamljs-tests.ts b/yamljs/yamljs-tests.ts
new file mode 100644
index 000000000..a2453edff
--- /dev/null
+++ b/yamljs/yamljs-tests.ts
@@ -0,0 +1,11 @@
+/// <reference path="yamljs.d.ts" />
+
+yamljs.load('yaml-testfile.yml');
+
+yamljs.parse('this_is_no_ymlstring');
+
+yamljs.stringify({ a : 'val', b : { ba : 123, bb : 'nothing' }});
+
+yamljs.stringify({ a : 'val', b : { ba : 123, bb : 'nothing' }}, 1);
+
+yamljs.stringify({ a : 'val', b : { ba : 123, bb : 'nothing' }}, 1, 2);
\ No newline at end of file
diff --git a/yamljs/yamljs.d.ts b/yamljs/yamljs.d.ts
index 5bdfd60a4..ca287110d 100644
--- a/yamljs/yamljs.d.ts
+++ b/yamljs/yamljs.d.ts
@@ -5,6 +5,10 @@
 
 declare module yamljs {
 
-    export function load(path : string) : any[];
+    export function load(path : string) : any;
+
+    export function stringify(nativeObject : any, inline? : number, spaces? : number) : string;
+
+    export function parse(yamlString : string) : any;
 
 }
\ No newline at end of file