import { AtomEffect } from 'recoil';
export interface PersistStorage {
    setItem(key: string, value: string): void | Promise<void>;
    mergeItem?(key: string, value: string): Promise<void>;
    getItem(key: string): null | string | Promise<null | string>;
}
export interface PersistConverter {
    stringify: (value: any) => string;
    parse: (value: string) => any;
}
export interface PersistConfiguration {
    key?: string;
    storage?: PersistStorage;
    converter?: PersistConverter;
}
/**
 * Recoil module to persist state to storage
 *
 * @param config Optional configuration object
 * @param config.key Used as key in local storage, defaults to `recoil-persist`
 * @param config.storage Local storage to use, defaults to `localStorage`
 */
export declare const recoilPersist: (config?: PersistConfiguration) => {
    persistAtom: AtomEffect<any>;
};