import { Subject } from 'rxjs';
import type * as Y from 'yjs';
/** A property (package-private) on Y.Doc that is used
 * to signal that the server wants us to send a 'doc-open' message
 * to the server for this document.
 *
 * @param doc
 * @returns
 */
export declare function getOpenDocSignal(doc: Y.Doc): Subject<void>;