import { DependencyList, useEffect, useLayoutEffect } from "react";
declare const UNDEFINED_VOID_ONLY: unique symbol;
declare type voidOnly = void | {
    [UNDEFINED_VOID_ONLY]: never;
};
declare type onCleanup = (execute: () => void) => void;
export declare type promiseEffect = (onCleanup: onCleanup) => Promise<voidOnly>;
export declare type regularEffect = (onCleanup: onCleanup) => voidOnly;
export declare type regularEffectWithCleanup = (onCleanup: onCleanup) => () => voidOnly;
export declare type efct = promiseEffect | regularEffectWithCleanup | regularEffect;
declare type useEfctAbstract = <T extends efct>(hook: typeof useEffect | typeof useLayoutEffect, effect: T, deps?: DependencyList) => void;
export declare const useEfctAbstract: useEfctAbstract;
export {};