diff --git a/mocha-cakes.d.ts b/mocha-cakes.d.ts
index ff0397d..aef27f8 100644
--- a/mocha-cakes.d.ts
+++ b/mocha-cakes.d.ts
@@ -1,7 +1,20 @@
 interface MochaCakesTestFn {
-  (t: string, f: Function): any;
-  only(t: string, f: Function): any;
-  skip(t: string, f: Function): any;
+  (description: string, testFn: Function): any;
+  only(description: string, testFn: Function): any;
+  skip(description: string, testFn: Function): any;
+}
+
+interface MochaCakesDone {
+  (error?: any): any
+}
+
+interface MochaCakesHookCallback {
+  (done: MochaCakesDone): void;
+}
+
+interface MochaCakesHook {
+  (callback: MochaCakesHookCallback): void;
+  (description: string, callback: MochaCakesHookCallback): void;
 }
 
 declare var Feature: MochaCakesTestFn;
@@ -19,3 +32,8 @@ declare var and: MochaCakesTestFn;
 declare var when: MochaCakesTestFn;
 declare var then: MochaCakesTestFn;
 declare var but: MochaCakesTestFn;
+
+declare var afterEachFeature: MochaCakesHook;
+declare var beforeEachFeature: MochaCakesHook;
+declare var afterEachScenario: MochaCakesHook;
+declare var beforeEachScenario: MochaCakesHook;