import { ChangeDetectorRef, OnDestroy } from '@angular/core';
import { MatSidenav } from '@angular/material/sidenav';
import { MediaMatcher } from '@angular/cdk/layout';
import { SideMenuItem } from '../../models/navigation-menu.model';
import * as i0 from "@angular/core";
/**
 * The component accepts menu items data as configurable input parameter and the menus are populated based on it.
 * The component checks the defined mobile device resolution and accordingly updates the side navigation menu view.
 * The component accepts menu opened/closed state as an input parameter. By default, the side menu is configured to open state.
 * @export
 * @class NavigationMenuComponent
 * @implements {OnDestroy}
 */
export declare class NavigationMenuComponent implements OnDestroy {
    changeDetectorRef: ChangeDetectorRef;
    media: MediaMatcher;
    isMenuOpen: boolean;
    sideMenu: SideMenuItem[];
    navMenu: MatSidenav;
    mobileQuery: MediaQueryList;
    mobileQueryListener: () => void;
    constructor(changeDetectorRef: ChangeDetectorRef, media: MediaMatcher);
    /**
     * Takes the index and the current item as arguments and needs to return the unique identifier for this item.
     * @param {number} index
     * @param {array} menuItems
     * @return {number}
     * @memberof NavigationMenuComponent
     */
    trackByFn(index: number, menuItems: any): number;
    /**
     * This method returns the status for menu to be opened or closed by default, basis on device resolution
     * @return {boolean}
     * @memberof NavigationMenuComponent
     */
    isMenuOpened(): boolean;
    /**
     *  Toggles the navigation menu state.
     * @memberof NavigationMenuComponent
     */
    toggleNavMenu(): void;
    ngOnDestroy(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<NavigationMenuComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<NavigationMenuComponent, "ieeesa-navigation-menu", never, { "isMenuOpen": { "alias": "isMenuOpen"; "required": false; }; "sideMenu": { "alias": "sideMenu"; "required": false; }; }, {}, never, never, true, never>;
}