import { DuetTheme } from "../../common-types";
import { ThemeableComponent } from "../../common/themeable-component";
export declare class DuetMenuBarDropdown implements ThemeableComponent {
    /**
     * Own Properties.
     */
    private button;
    /**
     * Reference to host HTML element.
     */
    element: HTMLElement;
    /**
     * Adds accessible label for the button that is only shown for screen readers.
     * Typically, this label text replaces the visible text on the button for
     * users who use assistive technology.
     */
    accessibleLabel: string;
    /**
     * Theme.
     */
    theme: DuetTheme;
    /**
     * Open
     */
    open: boolean;
    /**
     * Icon
     */
    icon: string;
    handleFocus(e: any): void;
    /**
     * Component lifecycle events.
     */
    componentWillLoad(): void;
    private onClick;
    private getVariant;
    private handleEscape;
    /**
     * Sets focus. Use this method instead of the global focus().
     */
    setFocus(options?: FocusOptions): Promise<void>;
    /**
     * render() function
     * Always the last one in the class.
     */
    render(): any;
}