'use strict';
/**
 * @license Angular v12.0.0-next.0
 * (c) 2010-2020 Google LLC. https://angular.io/
 * License: MIT
 */
/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
Zone.__load_patch('RTCPeerConnection', (global, Zone, api) => {
    const RTCPeerConnection = global['RTCPeerConnection'];
    if (!RTCPeerConnection) {
        return;
    }
    const addSymbol = api.symbol('addEventListener');
    const removeSymbol = api.symbol('removeEventListener');
    RTCPeerConnection.prototype.addEventListener = RTCPeerConnection.prototype[addSymbol];
    RTCPeerConnection.prototype.removeEventListener = RTCPeerConnection.prototype[removeSymbol];
    // RTCPeerConnection extends EventTarget, so we must clear the symbol
    // to allow patch RTCPeerConnection.prototype.addEventListener again
    RTCPeerConnection.prototype[addSymbol] = null;
    RTCPeerConnection.prototype[removeSymbol] = null;
    api.patchEventTarget(global, [RTCPeerConnection.prototype], { useG: false });
});