/**
 * Copyright (c) Microsoft Corporation. All rights reserved.
 * Licensed under the Microsoft Live Share SDK License.
 */
import EventEmitter from "events";
import { ExtendedMediaSessionActionSource } from "../MediaSessionExtensions";
import { IGroupStateEvent } from "./interfaces";
/**
 * @hidden
 */
export interface IPlaybackRate {
    playbackRate: number;
    timestamp: number;
    clientId: string;
}
/**
 * @hidden
 */
export declare enum PlaybackRateEvents {
    rateChange = "rateChange"
}
/**
 * @hidden
 */
export interface IPlaybackRateChangeEvent extends IGroupStateEvent {
    playbackRate: number;
}
/**
 * @hidden
 */
export declare class GroupPlaybackRate extends EventEmitter {
    private _current;
    constructor();
    get current(): Readonly<IPlaybackRate>;
    get rate(): number;
    updatePlaybackRate(newRate: IPlaybackRate, source: ExtendedMediaSessionActionSource): boolean;
}
//# sourceMappingURL=GroupPlaybackRate.d.ts.map