declare type UpdateCallback = (time: number) => void; declare type EndCallback = () => void; declare class Timeline { playing: boolean; paused: boolean; pausedTime: number; duration: number; animationFrameNumber: any; onUpdate: UpdateCallback; onEnd: EndCallback; play(duration: number, onUpdate: UpdateCallback, onEnd: EndCallback): void; pause(): void; stop(): void; end(): void; abort(): void; } export default Timeline;