export declare const getCookie: (name: string) => string;
export declare function setAnonymousUserToken(): void;
export declare function setUserToken(userToken: string | number): void;
export declare function getUserToken(options?: any, callback?: (err: any, userToken: string) => void): string;
export declare function onUserTokenChange(callback?: (userToken: string) => void, options?: {
    immediate: boolean;
}): void;