/**
 * Custom hook to call a function within a given interval.
 *
 * @param fn Callback function to be executed at each interval
 * @param interval  Interval time in milliseconds
 * @returns An object containing start, stop, and active state
 *
 * @example
 * const { start, stop, active } = useInterval(() => {
 *  console.log("Interval executed");
 * }, 1000);
 * start(); // To start the interval
 * stop(); // To stop the interval
 * console.log(active); // To check if the interval is active
 *
 */
export declare function useInterval(fn: () => void, interval: number): {
    start: () => void;
    stop: () => void;
    active: boolean;
};