export declare const UPDATE_CHECK_FILE: string;
/**
 * Compare two semver-like version strings.
 * Returns true if latest > current.
 */
export declare function isNewerVersion(current: string, latest: string): boolean;
/**
 * Check for updates and display a message if a newer version is available.
 * This function never throws - all errors are silently caught.
 */
export declare function checkForUpdate(currentVersion: string): Promise<void>;
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