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/* -*- 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/.
*
* You are granted a license to use, reproduce and create derivative works of
* this document.
*
* This IDL file is related to the WebExtensions API object.
*
* More info about generating webidl API bindings for WebExtensions API at:
*
* https://firefox-source-docs.mozilla.org/toolkit/components/extensions/webextensions/webidl_bindings.html
*
* A short summary of the special setup used by these WebIDL files (meant to aid
* webidl peers reviews and sign-offs) is available in the following section:
*
* https://firefox-source-docs.mozilla.org/toolkit/components/extensions/webextensions/webidl_bindings.html#review-process-on-changes-to-webidl-definitions
*/
[Exposed=(ServiceWorker), LegacyNoInterfaceObject]
interface ExtensionEventManager {
[Throws]
undefined addListener(Function callback, optional object listenerOptions);
[Throws]
undefined removeListener(Function callback);
[Throws]
boolean hasListener(Function callback);
[Throws]
boolean hasListeners();
};
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