import { ElementRef, OnChanges, OnDestroy, Renderer2, SimpleChanges, AfterViewInit } from '@angular/core';
import { Router } from '@angular/router';
import { Subscription } from 'rxjs';
import { LayoutService } from '../../layout.service';
import { Navigation, NavigationDividerItem, NavigationItem } from '../navigation-item';
import * as i0 from "@angular/core";
export declare class NavigationItemComponent implements OnChanges, OnDestroy, AfterViewInit {
    readonly level: import("@angular/core").InputSignal<number>;
    children: Navigation | null;
    readonly item: import("@angular/core").InputSignal<NavigationItem<Navigation>>;
    readonly active: import("@angular/core").WritableSignal<boolean>;
    readonly itemClasses: import("@angular/core").Signal<string>;
    protected readonly layoutService: LayoutService;
    readonly collapsed: import("@angular/core").Signal<boolean>;
    protected readonly _subscription: Subscription;
    protected readonly router: Router;
    protected readonly elementRef: ElementRef<any>;
    protected readonly renderer: Renderer2;
    onClick(): void;
    ngOnChanges(changes: SimpleChanges): void;
    ngAfterViewInit(): void;
    ngOnDestroy(): void;
    isNavigationDividerItem(item: NavigationItem | NavigationDividerItem): item is NavigationDividerItem;
    isNavigationItem(item: NavigationItem | NavigationDividerItem): item is NavigationItem;
    asNavigationItem(item: NavigationItem | NavigationDividerItem): NavigationItem;
    static ɵfac: i0.ɵɵFactoryDeclaration<NavigationItemComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<NavigationItemComponent, "li[rxap-navigation-item]", never, { "level": { "alias": "level"; "required": false; "isSignal": true; }; "item": { "alias": "item"; "required": true; "isSignal": true; }; }, {}, never, never, true, never>;
}