import { Nullable, ICommandService, IUndoRedoService, IUniverInstanceService, RxDisposable } from '@univerjs/core'; import { IDocStateChangeParams, DocStateEmitService } from '@univerjs/docs'; import { IRenderManagerService } from '@univerjs/engine-render'; interface IStateCache { history: IDocStateChangeParams[]; collaboration: IDocStateChangeParams[]; } export declare class DocStateChangeManagerService extends RxDisposable { private _undoRedoService; private readonly _commandService; private readonly _univerInstanceService; private readonly _docStateEmitService; private readonly _renderManagerService; private readonly _docStateChange$; readonly docStateChange$: import('rxjs').Observable>; private _historyStateCache; private _changeStateCache; private _historyTimer; private _changeStateCacheTimer; constructor(_undoRedoService: IUndoRedoService, _commandService: ICommandService, _univerInstanceService: IUniverInstanceService, _docStateEmitService: DocStateEmitService, _renderManagerService: IRenderManagerService); getStateCache(unitId: string): { history: IDocStateChangeParams[]; collaboration: IDocStateChangeParams[]; }; setStateCache(unitId: string, cache: IStateCache): void; private _setChangeState; private _initialize; private _listenDocStateChange; private _cacheChangeState; private _pushHistory; private _emitChangeState; } export {};