export declare const isSafari: () => boolean;
export declare const isIosSafari: () => boolean;
export declare const appendVideoFragment: ({ actualSrc, actualFrom, duration, fps, }: {
    actualSrc: string;
    actualFrom: number;
    duration: number;
    fps: number;
}) => string;
export declare const useAppendVideoFragment: ({ actualSrc: initialActualSrc, actualFrom: initialActualFrom, duration: initialDuration, fps, }: {
    actualSrc: string;
    actualFrom: number;
    duration: number;
    fps: number;
}) => string;