interface UseTimerProps {
    startTime?: number;
    endTime?: number;
    interval?: number;
}
interface UseTimerReturn {
    time: number;
    isRunning: boolean;
    start: () => void;
    pause: () => void;
    reset: () => void;
}
export declare const useTimer: ({ startTime, endTime, interval, }: UseTimerProps) => UseTimerReturn;
export {};