export type StoreValue = {
    value: undefined | object;
    v?: string;
    exp?: number;
};
export type Store = StoreValue & {
    key?: string;
    toJSON: () => StoreValue;
    write: (value: undefined | object, exp: number) => void;
    read: () => Store;
    or: (callBack: () => Object | Promise<any>, exp: number) => Promise<Store>;
    assign: (obj: Store) => Store;
};
declare const storage: {
    createStore: (key: string) => any;
    get: (key: string) => any;
    set: (key: string, value: object, exp: number) => any;
    remove: (key: string) => void;
};
export default storage;