import type { RefObject } from 'react';
export declare const useRequestVideoCallbackTime: ({ mediaRef, mediaType, lastSeek, onVariableFpsVideoDetected, }: {
    mediaRef: RefObject<HTMLVideoElement | HTMLAudioElement | null>;
    mediaType: "video" | "audio";
    lastSeek: React.MutableRefObject<number | null>;
    onVariableFpsVideoDetected: () => void;
}) => RefObject<{
    time: number;
    lastUpdate: number;
} | null>;