/**
 * @module parser
 */
/**
 * @description only use it in frontend, since it use `window.atob`.
 * @param token jwt token.
 *
 * ```ts
 * parseJwt('eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IkpvaG4gRG9lIiwiaWF0IjoxNTE2MjM5MDIyfQ.SflKxwRJSMeKKF2QT4fwpMeJf36POk6yJV_adQssw5c') === { sub: '1234567890', name: 'John Doe', iat: 1516239022 }
 * ```
 */
export declare function parseJwt<R = ReturnType<typeof JSON.parse>>(token: string): R;