import { AfterContentInit, AfterViewInit, OnDestroy } from '@angular/core';
import * as i0 from "@angular/core";
export declare class NavigationItemComponent implements AfterViewInit, AfterContentInit, OnDestroy {
    private readonly _elementRef;
    private readonly _renderer;
    private readonly _router;
    private readonly _parent;
    /** The text to display in the navigation menu item. */
    header: string;
    /** The name of an icon from the UX Aspects icon set, to be displayed to the left of the title. */
    icon: string;
    /** Whether the navigation item is expanded, displaying the items from the `children` array. */
    expanded: boolean;
    /** The link that will be navigated to if this item is selected */
    link: string;
    /** Get the active state of this item from the router */
    get active(): boolean;
    /** Indicate the depth of the item */
    _level: number;
    /** Indicate whether the indentation should include the arrow */
    _indentWithoutArrow: boolean;
    private readonly _children;
    get children(): NavigationItemComponent[];
    /** Automatically unsubscribe when the component is destroyed */
    private readonly _onDestroy;
    constructor();
    ngAfterViewInit(): void;
    ngAfterContentInit(): void;
    ngOnDestroy(): void;
    /** Check if this item or any children are active */
    private hasActiveLink;
    private getLevelClass;
    private setIndentWithoutArrow;
    static ɵfac: i0.ɵɵFactoryDeclaration<NavigationItemComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<NavigationItemComponent, "[ux-navigation-item]", never, { "header": { "alias": "header"; "required": false; }; "icon": { "alias": "icon"; "required": false; }; "expanded": { "alias": "expanded"; "required": false; }; "link": { "alias": "link"; "required": false; }; }, {}, ["_children"], ["*"], false, never>;
}