import { EventEmitter } from '@angular/core';
import { NavMenuItem, NavItem, NavSection } from './sidebar.models';
import * as i0 from "@angular/core";
export declare class NavMenuComponent {
    items: NavMenuItem[];
    activeId: string;
    isExpanded: boolean;
    /** IDs of parent nav items whose sub-menus are currently open */
    openParents: string[];
    itemClick: EventEmitter<string>;
    isSection(item: NavMenuItem): item is NavSection;
    asNavItem(item: NavMenuItem): NavItem;
    isItemActive(item: NavItem): boolean;
    isParentOpen(item: NavItem): boolean;
    isChildActive(childId: string): boolean;
    onItemClick(id: string): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<NavMenuComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<NavMenuComponent, "cqa-nav-menu", never, { "items": "items"; "activeId": "activeId"; "isExpanded": "isExpanded"; "openParents": "openParents"; }, { "itemClick": "itemClick"; }, never, never>;
}