import chokidar from 'chokidar';
import closeWithGrace from 'close-with-grace';
declare global {
    var __change_tracker_watcher__: ReturnType<typeof chokidar.watch> | undefined;
    var __change_tracker_close_with_grace_return__: ReturnType<typeof closeWithGrace>;
}
export declare function getWatcher(): chokidar.FSWatcher | null;
export declare function getOptionalWatcher(): chokidar.FSWatcher | undefined;
