import React, { PureComponent, ReactNode } from 'react'; interface CurrentTimeProps { audio?: HTMLAudioElement; defaultCurrentTime: ReactNode; isLeftTime: boolean; } interface CurrentTimeState { currentTime: ReactNode; } declare class CurrentTime extends PureComponent { audio?: HTMLAudioElement; hasAddedAudioEventListener: boolean; state: CurrentTimeState; handleAudioCurrentTimeChange: (e: Event) => void; componentDidUpdate(): void; componentWillUnmount(): void; render(): React.ReactNode; } export default CurrentTime;