/* 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,
* 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/.
* You can obtain one at http://mozilla.org/MPL/2.0/.
*
* Source: https://streams.spec.whatwg.org/#readablestreamgenericreader
*/
interface mixin ReadableStreamGenericReader {
readonly attribute Promise<undefined> closed;
Promise<undefined> cancel(optional any reason);
};