export declare const getCurrentDate: () => string;
export declare const getCookieByKey: (key: string) => string;
/**
 *
 * @param str
 * localStorage 可能存储的是对象，层层嵌套，这种情况，str 就传 "a.b.c"， 对象的示例： {a: {b: {c: 'hi'}}}
 * @returns localStorage中寻找到的值
 */
export declare const getLocalStorageByKey: (str: string) => string;
/**
 *
 * @param cookieKey cookie 的 key 值
 * @returns
 */
export declare const getUserName: (cookieKey: string) => string;