import { OnDestroy, OnInit } from '@angular/core';
import { TieredMenuItemInternalData } from '../../models/tiered-menu-item-internal-data';
import { TieredMenuService } from '../../services/tiered-menu.service';
import * as i0 from "@angular/core";
export declare class TieredMenuNestedComponent implements OnInit, OnDestroy {
    readonly tieredMenuService: TieredMenuService;
    private readonly _tieredMenuEventService;
    items: TieredMenuItemInternalData[];
    top: number;
    left: number;
    private _lastOpenItem?;
    private _unsubscribe$;
    onResize(): void;
    onDocumentClick(event: MouseEvent): void;
    onKeydownHandler(event: KeyboardEvent): void;
    ngOnInit(): void;
    ngOnDestroy(): void;
    private _incrementCurItem;
    private _decrementCurItem;
    private _closeItem;
    private _openItem;
    private _subscribeEvents;
    static ɵfac: i0.ɵɵFactoryDeclaration<TieredMenuNestedComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<TieredMenuNestedComponent, "ng-component", never, {}, {}, never, never, true, never>;
}
