import { Location } from '@angular/common';
import { TreeElement } from '../valueObject/treeElement';
import { TreeNode } from '../valueObject/treeNode';
export declare class NavigationItemComponent {
    location: Location;
    treeElements: TreeElement[];
    constructor(location: Location);
    isNode(treeElmt: TreeElement): boolean;
    asNode(treeElmt: TreeElement): TreeNode;
    isActiveNavItem(treeElmt: TreeElement): boolean;
    toSafeUrl(treeElmtUrl?: string): string;
    toQueryParams(treeElmtUrl?: string): object;
}