powercoder23
diff --git a/‎__tests__/Cursor.ts
+6 b/‎__tests__/Cursor.ts
+6
diff --git a/‎dist/Immutable.d.ts
+6 b/‎dist/Immutable.d.ts
+6
@@ -40,6 +40,12 @@ describe('Cursor', () => {
     var aCursor = cursor.cursor('a');
     expect(cursor instanceof Immutable.Map).toBe(true);
     expect(aCursor instanceof Immutable.Vector).toBe(true);
+    expect(
+      aCursor.update(() => Immutable.Set.empty()) instanceof Immutable.Set
+    ).toBe(true);
+    expect(
+      aCursor.update(() => Immutable.Stack.empty()) instanceof Immutable.Stack
+    ).toBe(true);
   });
 
   it('gets return new cursors', () => {
 
@@ -1843,6 +1843,12 @@ declare module 'immutable' {
      */
     push(...values: T[]): Stack<T>;
 
+    /**
+     * Alias for `Stack#unshiftAll`.
+     */
+    pushAll(seq: Sequence<any, T>): Stack<T>;
+    pushAll(seq: Array<T>): Stack<T>;
+
     /**
      * Alias for `Stack#shift` and is not equivalent to `Vector#pop`.
      */