/**
 * Closes and re-creates the FS watcher. Deduped: callers that restart the
 * watcher around the same time (fullRebuild, reloadWatcher, watchdog) only
 * trigger a single re-creation.
 */
export declare function restartWatcher(): void;
/**
 * True when the watcher was last (re)created long enough ago that the
 * watchdog should consider re-creating it again.
 */
export declare function watcherRestartAvailable(): boolean;
export default function watcherEsbuildCTX(): Promise<void>;