/**
 * Public barrel for the updater module.
 *
 * Exposes the fire-and-forget update-check orchestration (scheduleUpdateCheck,
 * settleUpdateCheck) plus the underlying building blocks.
 */
import { type UpdateCheckState } from './throttle.js';
export { isNewerVersion } from './compare.js';
export { detectPackageManager, getInstallCommand, type PackageManager } from './detect-package-manager.js';
export { runAutoInstall } from './installer.js';
export { shouldAutoUpdate, shouldShowReminder } from './notifier.js';
export { fetchLatestVersion } from './registry.js';
export { readUpdateState, writeUpdateState } from './state.js';
export { shouldCheckNow, type UpdateCheckState } from './throttle.js';
/**
 * Reset the pending update check singleton. Intended for test isolation only.
 */
export declare function resetPendingUpdateCheck(): void;
/**
 * Schedule a background update check. Fire-and-forget — does not await.
 * No-ops when the throttle window has not elapsed.
 * First-write-wins: a second call while one is already pending is silently ignored.
 */
export declare function scheduleUpdateCheck(stateDir: string, currentVersion: string, frequencyDays: number, now?: Date): void;
/**
 * Await the pending update check with a short timeout.
 * Returns the updated UpdateCheckState if the fetch completed in time,
 * otherwise null.
 */
export declare function settleUpdateCheck(timeoutMs?: number): Promise<null | UpdateCheckState>;
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