import { type UpdateInfo } from './update-notice.js';
export { detectInstallCommand, performUpdate, formatUpdateNotice, type UpdateInfo } from './update-notice.js';
export declare function writeUpdateCache(latestVersion: string): void;
/**
 * Returns true if `latest` is strictly newer than `current`.
 *
 * We never propose pre-release versions (`x.y.z-rc.1`, `x.y.z-beta`) as updates
 * — users running stable should not be auto-bumped to a pre-release.
 */
export declare function isNewer(current: string, latest: string): boolean;
export declare function fetchLatestVersionSync(): Promise<string | null>;
export declare function checkForUpdate(currentVersion: string): UpdateInfo | null;