import { MenuItem } from './MenuItem';
export declare class TopMenu extends HTMLElement {
    private menuItems;
    private menu;
    private submenu;
    constructor();
    static get observedAttributes(): string[];
    attributeChangedCallback(name: string, oldValue: string, newValue: string): void;
    connectedCallback(): void;
    private updateAlignment;
    setItems(menuItems: MenuItem[]): void;
    private renderMenu;
    private showSubmenu;
    resetMenu(): void;
    navigate(item: MenuItem): void;
}