import { IBreadcrumbItem, IBreadcrumbOverlay } from '../../models/breadcrumbs.model';
export declare class PostInternetBreadcrumbs {
    /**
     * Add custom breadcrumb items to the end of the pre-configured list. Handy if your online service has its own navigation structure.
     */
    customItems?: string | IBreadcrumbItem[];
    /**
     * Hide all buttons.
     */
    hideButtons: boolean;
    customBreadcrumbItems?: IBreadcrumbItem[];
    overlayVisible: boolean;
    isConcatenated: boolean;
    dropdownOpen: boolean;
    refsReady: boolean;
    host: HTMLSwisspostInternetBreadcrumbsElement;
    /**
     * Toggle an overlay associated with a button.
     * @param {IBreadcrumbOverlay['id']} overlayId
     */
    toggleOverlayById(overlayId: IBreadcrumbOverlay['id']): Promise<void>;
    private controlNavRef?;
    private visibleNavRef?;
    private currentOverlay;
    private debouncedResize;
    private lastWindowWidth;
    private openAnimation;
    private loadedAnimation;
    connectedCallback(): void;
    disconnectedCallback(): void;
    componentWillLoad(): Promise<void>;
    componentDidLoad(): void;
    handleCustomConfigChange(newValue: string | IBreadcrumbItem[]): void;
    private handleResize;
    private checkConcatenation;
    private toggleOverlay;
    /**
     * Disable or re-enable body scrolling, depending on whether overlay is visible or not
     */
    private setBodyScroll;
    private toggleDropdown;
    private handleWindowClick;
    private registerIFrameResizer;
    /**
     * Reference function for the overlay element got called. It is either null (overlay closed)
     * or contains the overlay element as parameter.
     * @param e Overlay element or null
     * @returns void
     */
    private overlayRef;
    private handleKeyDown;
    private handleToggleDropdown;
    private handleToggleOverlay;
    private handleControlNavRef;
    private handleVisibleNavRef;
    render(): any;
}