/**
 * Updater - npm registry primitives for the automatic update check.
 *
 * The orchestration (throttling, cache, the user-facing nudge) lives in
 * update-notifier.ts; this module just provides the building blocks.
 */
/** npm registry endpoint for the package's latest published version. */
export declare const REGISTRY_URL: string;
/** Default timeout for the registry request, in milliseconds. */
export declare const FETCH_TIMEOUT_MS = 3000;
/**
 * Compare two dotted version strings.
 * Returns 1 if a > b, -1 if a < b, 0 if equal. Non-numeric parts count as 0.
 */
export declare function compareVersions(a: string, b: string): number;
/**
 * Fetch the latest published version string from the npm registry.
 * Aborts after `timeoutMs` so a slow network never stalls the CLI.
 */
export declare function fetchLatestVersion(url?: string, timeoutMs?: number): Promise<string>;
/**
 * Install the given version globally, showing a progress spinner.
 * Returns the process exit code (0 on success, 1 on failure).
 */
export declare function installUpdate(latest: string): Promise<number>;
//# sourceMappingURL=updater.d.ts.map