Constructor
Methods
catchError<TOut> (rejectCallback:EitherType<Dynamic ‑> Void, PromiseCallback<Dynamic, TOut>>):Promise<TOut>
then<TOut> (fulfillCallback:Null<PromiseCallback<T, TOut>>, ?rejectCallback:EitherType<Dynamic ‑> Void, PromiseCallback<Dynamic, TOut>>):Promise<TOut>