import { OnInit, NgZone, ChangeDetectorRef, OnDestroy } from '@angular/core';
import { MenuItem } from './menu-portal-models';
import { FocusMonitor } from '@angular/cdk/a11y';
export declare class MenuPortalComponent implements OnInit, OnDestroy {
    private focusMonitor;
    private cdr;
    private ngZone;
    config: MenuItem[];
    constructor(focusMonitor: FocusMonitor, cdr: ChangeDetectorRef, ngZone: NgZone);
    onResize(event: any): void;
    ngOnInit(): void;
    isSticky(): boolean;
    showSubmenu(event: any, element: any): void;
    ngOnDestroy(): void;
}