import { Sheet } from '../../sheet-engine/react';
import * as Y from 'yjs';
export declare function migrateSheetArrayIfNeeded(ydoc: Y.Doc, sheetArray: Y.Array<any>): boolean;
type SheetFactory = () => Y.Map<any>;
export declare function migrateSheetFactoryForImport(sheet: Sheet | Y.Map<any>): SheetFactory;
export {};