import React from 'react';
import { AudioTrack } from 'twilio-video';
export declare function initializeAnalyser(stream: MediaStream): AnalyserNode;
declare function AudioLevelIndicator({ audioTrack, color }: {
    audioTrack?: AudioTrack;
    color?: string;
}): JSX.Element;
declare const _default: React.MemoExoticComponent<typeof AudioLevelIndicator>;
export default _default;