interface WrapValue<T> {
    value: T;
    [key: string]: any;
}
type PartialWrapValue<T> = {
    [P in keyof T]: WrapValue<T[P]>;
};
interface IUserStorage {
    id?: number;
    token?: string;
}
type IUserInfoKey = keyof PartialWrapValue<IUserStorage>;
declare class SDKStorage {
    id: string;
    userInfo: PartialWrapValue<IUserStorage>;
    loaded: boolean;
    constructor(id: string);
    static unRefValue(user: PartialWrapValue<IUserStorage>): Record<keyof IUserStorage, any>;
    static getUserToken(uid: string | undefined | null): any;
    setItem(key: IUserInfoKey, value: any, opt?: {
        timeStamp?: number;
    }): void;
    getItem(key: IUserInfoKey): string | number | undefined;
    removeItem(key: IUserInfoKey): void;
    clear(): void;
    clearAll(): void;
}
export default SDKStorage;