type UseTimerOptions = {
    startTime?: number;
    endTime?: number;
    step?: number;
    intervalMs?: number;
    autoStart?: boolean;
};
type UseTimerReturn = {
    time: number;
    isRunning: boolean;
    start: VoidFunction;
    pause: VoidFunction;
    stop: VoidFunction;
    reset: VoidFunction;
};
export declare function useTimer({ startTime, endTime, step, intervalMs, autoStart, }?: UseTimerOptions): UseTimerReturn;
export type { UseTimerOptions, UseTimerReturn };