modules/background_fetch/BackgroundFetchEventInit.idl

// Copyright 2017 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

// https://wicg.github.io/background-fetch/#background-fetch-event

dictionary BackgroundFetchEventInit : ExtendableEventInit {
    required DOMString id;
};