export interface IEUserData extends HTMLInputElement { save(name: string): void; load(name: string): void; expires: string; addBehavior(arg0: string): void; } export interface UserStore { userData: IEUserData | null; name: string; init: () => boolean; setItem(key: string, value: string): void; getItem(key: string): string; removeItem(key: string): void; } declare const userStore: UserStore; export default userStore;