export declare const writeSnapshot: (dir: string, snapshot: string, opts?: import("@parcel/watcher").Options) => Promise<string>;
export declare const getEventsSince: (dir: string, snapshot: string, opts?: import("@parcel/watcher").Options) => Promise<Array<import("@parcel/watcher").Event>>;
export declare const subscribe: (dir: string, fn: import("@parcel/watcher").SubscribeCallback, opts?: import("@parcel/watcher").Options) => Promise<import("@parcel/watcher").AsyncSubscription>;
export declare const unsubscribe: (dir: string, fn: import("@parcel/watcher").SubscribeCallback, opts?: import("@parcel/watcher").Options) => Promise<void>;