/**
 * upgrade 명령어 — 전역 패키지 최신 버전으로 업그레이드
 */
import { CliOptions } from '../types.js';
/**
 * Read status formatter from the package that was just installed.
 *
 * WHY: `vibe upgrade` keeps running in the old process after npm install.
 * Loading auth.js from the installed package prevents stale post-upgrade labels.
 */
export declare function readInstalledLLMStatus(globalRoot: string): string;
/**
 * Upgrade global package to latest version
 * npm install -g → postinstall handles global config
 */
export declare function upgrade(_options?: CliOptions): void;
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