/**-----------------------------------------------------------------------------------------
* Copyright © 2025 Progress Software Corporation. All rights reserved.
* Licensed under commercial license. See LICENSE.md in the project root for more information
*-------------------------------------------------------------------------------------------*/
import { EventEmitter, OnDestroy, OnInit } from '@angular/core';
import { GridComponent } from '../grid.component';
import { UndoRedoEvent } from './grid-state.models';
import { EditService } from '../editing/edit.service';
import { UndoRedoService } from './undo-redo.service';
import { ChangeNotificationService } from '../data/change-notification.service';
import { ContextService } from '../common/provider.service';
import { LocalDataChangesService } from '../editing/local-data-changes.service';
import * as i0 from "@angular/core";
/**
 * Represents the directive that manages undo-redo operations in the Grid.
 * Use this directive to enable undo and redo functionality for user actions in the Grid.
 *
 * @example
 * ```html
 * <kendo-grid [data]="data" kendoGridUndoRedo></kendo-grid>
 * ```
 * @remarks
 * Applied to: {@link GridComponent}.
 */
export declare class UndoRedoDirective implements OnInit, OnDestroy {
    private host;
    private editService;
    private undoRedoService;
    private changeNotification;
    private ctx?;
    private localDataChangesService?;
    /**
     * Sets the maximum number of actions to keep in the undo-redo stack.
     * @default 10
     */
    maxStoredStates: number;
    /**
     * Defines the property name of the data item unique key that will be used to identify the items when performing undo-redo actions.
     */
    itemIdKey: string | undefined;
    /**
     * Fires when you perform the undo action. Provides the Grid state to apply.
     */
    onUndo: EventEmitter<UndoRedoEvent>;
    /**
     * Fires when you perform the redo action. Provides the Grid state to apply.
     */
    onRedo: EventEmitter<UndoRedoEvent>;
    /**
     * Returns all undo-redo actions currently in the stack.
     */
    get undoRedoItems(): UndoRedoEvent[];
    private stack;
    private subs;
    private addToState;
    constructor(host: GridComponent, editService: EditService, undoRedoService: UndoRedoService, changeNotification: ChangeNotificationService, ctx?: ContextService, localDataChangesService?: LocalDataChangesService);
    ngOnInit(): void;
    ngAfterViewInit(): void;
    ngOnDestroy(): void;
    /**
     * Re-applies the last action that you reverted with the `undo` method.
     */
    redo(): void;
    /**
     * Reverts the last user action that you performed.
     */
    undo(): void;
    private updateUndoRedoDisabled;
    private getGridDataItems;
    private isDataStateChangeEvent;
    static ɵfac: i0.ɵɵFactoryDeclaration<UndoRedoDirective, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<UndoRedoDirective, "[kendoGridUndoRedo]", ["kendoGridUndoRedo"], { "maxStoredStates": { "alias": "maxStoredStates"; "required": false; }; "itemIdKey": { "alias": "itemIdKey"; "required": false; }; }, { "onUndo": "undo"; "onRedo": "redo"; }, never, never, true, never>;
}