import { ReactiveControllerHost } from 'lit';
import { IMenuController } from './interface';
export declare class MenuController implements IMenuController {
    private _host;
    element: HTMLElement | undefined;
    isInverted: boolean;
    constructor(host: ReactiveControllerHost);
    observe(): import("lit-html/directive").DirectiveResult<typeof import("./directive").MenuDirective>;
    private _handlePlacement;
    hostConnected(): void;
    hostDisconnected(): void;
}