import Cookies from 'js-cookie';
/**
 * save thing (value) in browser cookies
 * @param  key      a key
 * @param  thing    a value that canbe stringified
 * @return thing
 */
export declare function rememberThing<T>(key: string, thing: T, expires?: Cookies.CookieAttributes['expires']): T;
/**
 * get thing (value) by key from browser cookies
 * @param  key      a key
 * @return thing
 */
export declare function getThing<T>(key: string, forgetAfterGet?: boolean): T | undefined;
/**
 * remove thing from browser cookies if exist
 * @param  key      a key
 * @return boolean  true, if there is a thing to remove
 */
export declare function forgetThing(key: string): boolean;
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