import { EventEmitter } from '../../stencil-public-runtime';
import { ApplicationLayoutContext } from '../utils/application-layout/context';
import { Breakpoint } from '../utils/breakpoints';
import { ContextType } from '../utils/context';
/**
 * @slot default - Place items on the right side of the header. If the screen size is small, the items will be shown inside a dropdown.
 * @slot secondary - Place additional items inside the header. They will appear after logo and name. If the screen size is small, the items will be shown inside a dropdown.
 * @slot overflow - Use this slot to display additional items that do not fit in the default or secondary slot.
 * @slot logo - Place a company logo inside the header. Alternatively the companyLogo property can be set.
 */
export declare class ApplicationHeader {
    hostElement: HTMLIxApplicationHeaderElement;
    /**
     * Application name
     */
    name?: string;
    /**
     * Define a suffix which will be displayed next to the application name
     *
     * @since 4.0.0
     */
    nameSuffix?: string;
    /**
     * Company logo will be show on the left side of the application name.
     * It will be hidden on smaller screens.
     *
     * @since 4.0.0
     */
    companyLogo?: string;
    /**
     * Alt text for the company logo
     *
     * @since 4.0.0
     */
    companyLogoAlt?: string;
    /**
     * The app icon will be shown as the first element inside the header.
     * It will be hidden on smaller screens.
     *
     * @since 4.0.0
     */
    appIcon?: string;
    /**
     * Alt text for the app icon
     *
     * @since 4.0.0
     */
    appIconAlt?: string;
    /**
     * Render subtle outline around app icon to ensure proper contrast.
     *
     * @since 4.0.0
     */
    appIconOutline: boolean;
    /**
     * Hides the bottom border of the header
     *
     * @since 4.0.0
     */
    hideBottomBorder: boolean;
    /**
     * Controls the visibility of the menu toggle button based on the context of the application header.
     *
     * When the application header is utilized outside the application frame, the menu toggle button is displayed.
     * Conversely, if the header is within the application frame, this property is ineffective.
     */
    showMenu?: boolean;
    /**
     * ARIA label for the menu expand icon button
     *
     * @since 3.2.0
     * @deprecated This prop is no longer used as the menu expand button is hidden from screen readers. Will be removed in 5.0.0
     */
    ariaLabelMenuExpandIconButton?: string;
    /**
     * ARIA label for the app switch icon button
     *
     * @since 3.2.0
     */
    ariaLabelAppSwitchIconButton?: string;
    /**
     * ARIA label for the more menu icon button
     *
     * @since 3.2.0
     */
    ariaLabelMoreMenuIconButton?: string;
    /**
     * Enable Popover API rendering for dropdown.
     *
     * @default false
     * @since 4.3.0
     */
    enableTopLayer: boolean;
    /**
     * Event emitted when the menu toggle button is clicked
     */
    menuToggle: EventEmitter<boolean>;
    /**
     * Event emitted when the app switch button is clicked
     *
     * @since 3.0.0
     */
    openAppSwitch: EventEmitter<void>;
    breakpoint: Breakpoint;
    menuExpanded: boolean;
    suppressResponsive: boolean;
    hasSlottedLogo: boolean;
    hasOverflowContextMenu: boolean;
    hasSecondarySlotElements: boolean;
    hasDefaultSlotElements: boolean;
    hasOverflowSlotElements: boolean;
    applicationLayoutContext?: ContextType<typeof ApplicationLayoutContext>;
    private menuDisposable?;
    private modeDisposable?;
    private callbackUpdateAppSwitchModal?;
    get contentBackground(): Element | null;
    componentWillLoad(): void;
    componentDidLoad(): void;
    disconnectedCallback(): void;
    watchApplicationLayoutContext(): void;
    watchSuppressResponsive(): void;
    watchBreakpoint(): void;
    private checkLogoSlot;
    private attachSiemensLogoIfLoaded;
    private onMenuClick;
    private resolveContextMenuButton;
    private tryUpdateAppSwitch;
    private showAppSwitch;
    private updateHasSlotAssignedElementsStates;
    private onContentBgClick;
    render(): any;
}