import { LitElement } from 'lit';
import '../index.js';
import '@material/mwc-drawer/mwc-drawer.js';
import '@material/mwc-icon-button/mwc-icon-button.js';
import '@polymer/paper-item/paper-item.js';
import '@polymer/paper-tooltip/paper-tooltip.js';
import '@polymer/app-layout/app-drawer/app-drawer.js';
import '@polymer/app-layout/app-toolbar/app-toolbar.js';
export declare const installMediaQueryWatcher: (mediaQuery: string, layoutChangedCallback: (mediaQueryMatches: boolean) => void) => void;
export declare class XDemo extends LitElement {
    menu: [] | undefined;
    debug: boolean;
    narrow: boolean;
    collapsed: boolean;
    drawerOpened: boolean;
    static styles: import("lit").CSSResult[];
    connectedCallback(): void;
    private renderGroupItem;
    private renderItem;
    private renderMenu;
    private openChanged;
    private _handleSelectedChanged;
    private _handleCollapsed;
    private _handleMenuClick;
    renderFooterButton(): import("lit-html").TemplateResult<1>;
    render(): import("lit-html").TemplateResult<1>;
}