import * as Y from 'yjs';
import type { Readable } from 'svelte/store';
export declare const deriveUpdates: (doc: Y.Doc) => Readable<Uint8Array>;
export interface Unsubscriber {
    unsubscribe: () => void;
}
export declare const applyUpdates: (doc: Y.Doc, updates: Readable<Uint8Array>) => Unsubscriber;