import { INavigationMenuItemModel } from './INavigationMenuItemModel';
import { ILayoutBreakpoint } from '../Helpers/Index';
import { IExtendedNavigationMenuItemModel } from './Search';
export declare const isItemActive: (itemData: INavigationMenuItemModel) => boolean;
export interface NavigationMenuItemClickEvent {
    readonly item: IExtendedNavigationMenuItemModel;
    readonly originalEvent: UIEvent;
    cancel?: boolean;
}
export declare class NavigationMenu {
    private readonly container;
    private readonly onNavigationMenuItemClick;
    private readonly onMenuItemClickHandler;
    private readonly menu;
    private isGlobalMenu;
    private items;
    constructor(container: HTMLElement, items: INavigationMenuItemModel[], isGlobalMenu: boolean, collapseBreakpoint: ILayoutBreakpoint, onNavigationMenuItemClick: (e: NavigationMenuItemClickEvent) => void);
    updateData(items: INavigationMenuItemModel[], isGlobalMenu: boolean): void;
    render(): void;
    applyAdaptivityCollapsing(): void;
    updateActiveItemsState(): void;
    private onMenuItemClick;
    private emitNavigationMenuItemClick;
    private mapNavigationMenuItemModelToMenuItems;
    private mapMenuItemClickEventArgsToNavigationMenuItemClickEventArgs;
}