import { HMSTrack } from './HMSTrack';
import { HMSTrackType } from './HMSTrackType';
import { HMSMediaStream } from '../streams';
export declare class HMSAudioTrack extends HMSTrack {
    readonly type: HMSTrackType;
    private audioElement;
    private outputDevice?;
    constructor(stream: HMSMediaStream, track: MediaStreamTrack, source?: string);
    getVolume(): number | null;
    setVolume(value: number): Promise<void>;
    setAudioElement(element: HTMLAudioElement | null): void;
    /**
     * @internal
     * @returns {HTMLAudioElement | null}
     */
    getAudioElement(): HTMLAudioElement | null;
    getOutputDevice(): MediaDeviceInfo | undefined;
    cleanup(): void;
    setOutputDevice(device?: MediaDeviceInfo): Promise<void>;
    protected subscribeToAudio(value: boolean): Promise<void>;
}