/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this file,
 * You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * The origin of this IDL file is
 * https://streams.spec.whatwg.org/#underlying-sink-api
 */

[GenerateInit]
dictionary UnderlyingSink {
  UnderlyingSinkStartCallback start;
  UnderlyingSinkWriteCallback write;
  UnderlyingSinkCloseCallback close;
  UnderlyingSinkAbortCallback abort;
  any type;
};

callback UnderlyingSinkStartCallback = any (WritableStreamDefaultController controller);
callback UnderlyingSinkWriteCallback = Promise<undefined> (any chunk, WritableStreamDefaultController controller);
callback UnderlyingSinkCloseCallback = Promise<undefined> ();
callback UnderlyingSinkAbortCallback = Promise<undefined> (optional any reason);