export declare const formatTime: (time?: number | undefined) => string;
export declare const calcDist: (x: number, y: number) => number;
export declare const normalizeNumber: (number: number) => number;
/**
 * @returns: {requestFullscreen: 'requestFullscreen', exitFullscreen: 'exitFullscreen', ...}
 */
export declare const screenFn: Record<string, any>;
export declare const isHls: (url: any) => boolean;