export declare const getSeekableEnd: (video: HTMLVideoElement) => number;
export declare const clampPan: (panX: number, panY: number, zoom: number, containerW: number, containerH: number) => {
    panX: number;
    panY: number;
};
export declare const formatPlaybackTime: (seconds: number) => string;
export declare const formatContainerStyle: (width?: string | number, height?: string | number, aspectRatio?: string) => React.CSSProperties;
