import { Observable, Subject, Subscription } from '@tanbo/stream';
import { AbstractSelection, ComponentInstance, Controller, Registry, History, RootComponentRef, Scheduler, Selection, SelectionPaths, Slot, Starter } from '@textbus/core';
import { Array as YArray, Doc as YDoc, Map as YMap, RelativePosition, Text as YText, Transaction, UndoManager, Item } from 'yjs';
interface CursorPosition {
    anchor: RelativePosition;
    focus: RelativePosition;
}
declare class ContentMap {
    private slotAndYTextMap;
    private yTextAndSLotMap;
    set(key: Slot, value: YText): void;
    set(key: YText, value: Slot): void;
    get(key: Slot): YText | null;
    get(key: YText): Slot | null;
    delete(key: Slot | YText): void;
}
interface UpdateItem {
    record: boolean;
    action(): void;
}
export declare abstract class CustomUndoManagerConfig {
    abstract captureTransaction?(arg0: Transaction): boolean;
    abstract deleteFilter?(arg0: Item): boolean;
}
interface CollaborateHistorySelectionPosition {
    before: CursorPosition | null;
    after: CursorPosition | null;
}
export declare class Collaborate implements History {
    protected stackSize: number;
    protected rootComponentRef: RootComponentRef;
    protected controller: Controller;
    protected scheduler: Scheduler;
    protected registry: Registry;
    protected selection: Selection;
    protected starter: Starter;
    protected undoManagerConfig: CustomUndoManagerConfig;
    onLocalChangesApplied: Observable<void>;
    yDoc: YDoc;
    onBack: Observable<void>;
    onForward: Observable<void>;
    onChange: Observable<void>;
    onPush: Observable<void>;
    get canBack(): boolean;
    get canForward(): boolean;
    protected backEvent: Subject<void>;
    protected forwardEvent: Subject<void>;
    protected changeEvent: Subject<void>;
    protected pushEvent: Subject<void>;
    protected manager: UndoManager | null;
    protected subscriptions: Subscription[];
    protected updateFromRemote: boolean;
    protected contentSyncCaches: WeakMap<Slot<any>, () => void>;
    protected slotStateSyncCaches: WeakMap<Slot<any>, () => void>;
    protected slotsSyncCaches: WeakMap<ComponentInstance<import("@textbus/core").ComponentExtends, any, unknown>, () => void>;
    protected componentStateSyncCaches: WeakMap<ComponentInstance<import("@textbus/core").ComponentExtends, any, unknown>, () => void>;
    protected localChangesAppliedEvent: Subject<void>;
    protected selectionChangeEvent: Subject<SelectionPaths>;
    protected contentMap: ContentMap;
    protected updateRemoteActions: Array<UpdateItem>;
    protected noRecord: {};
    protected historyItems: Array<CollaborateHistorySelectionPosition>;
    protected index: number;
    constructor(stackSize: number, rootComponentRef: RootComponentRef, controller: Controller, scheduler: Scheduler, registry: Registry, selection: Selection, starter: Starter, undoManagerConfig: CustomUndoManagerConfig);
    listen(): void;
    back(): void;
    forward(): void;
    clear(): void;
    destroy(): void;
    protected syncRootComponent(root: YMap<any>, rootComponent: ComponentInstance): void;
    protected getAbstractSelection(position: CursorPosition): AbstractSelection | null;
    protected getRelativeCursorLocation(): CursorPosition | null;
    protected syncSlotContent(content: YText, slot: Slot): void;
    protected syncSlotState(remoteSlot: YMap<any>, slot: Slot): void;
    protected syncComponentSlots(remoteSlots: YArray<any>, component: ComponentInstance): void;
    protected syncComponentState(remoteComponent: YMap<any>, component: ComponentInstance): void;
    protected runLocalUpdate(fn: () => void, record?: boolean): void;
    protected runRemoteUpdate(tr: Transaction, fn: () => void): void;
    protected createSharedComponentByComponent(component: ComponentInstance): YMap<any>;
    protected createSharedSlotBySlot(slot: Slot): YMap<any>;
    protected createComponentBySharedComponent(yMap: YMap<any>): ComponentInstance;
    protected createSlotBySharedSlot(sharedSlot: YMap<any>): Slot;
    protected cleanSubscriptionsBySlot(slot: Slot): void;
    protected cleanSubscriptionsByComponent(component: ComponentInstance): void;
}
export {};