@JsOptional @Nullable IThenOnRejectedCallbackFn<? extends V> onRejected);

  @JsFunction
  interface IThenOnFulfilledCallbackFn<T extends @Nullable Object, V extends @Nullable Object> {
    V onInvoke(T p0);
  }

  @JsFunction
  interface IThenOnRejectedCallbackFn<V extends @Nullable Object> {
    V onInvoke(Object p0);
  }
}