export interface UseTimeoutFnState {
    isReady: () => boolean | null;
    clear: () => void;
    start: () => void;
}
/**
 * Calls given function after specified amount of milliseconds.
 *
 * - Not re-render component;
 * - Automatically clear timeout on unmount;
 * - Automatically clear timeout on delay change;
 * - Reset function call will cancel previous timeout;
 * - Timeout will NOT be clear on function change. It will be called within the timeout,
 * - You have to clear it on your own when needed.
 */
export declare const useTimeoutFn: (fn: Function, ms?: number) => UseTimeoutFnState;