Fix addDoc type (firebase#3140)

schmidt-sebastian · web-flow · commit 9b322708c8cc · 2020-06-01T09:34:41.000-07:00
diff --git a/packages/firestore/exp/index.d.ts b/packages/firestore/exp/index.d.ts
@@ -327,7 +327,7 @@ export function getQueryFromServer<T>(
 export function addDoc<T>(
   reference: CollectionReference<T>,
   data: T
-): Promise<DocumentSnapshot<T>>;
+): Promise<DocumentReference<T>>;
 export function setDoc<T>(
   reference: DocumentReference<T>,
   data: T
