import { IContext } from "../../engine_types.js";
export declare class NeedleSpatialMenu {
    private readonly _context;
    private readonly needleMenu;
    private readonly htmlButtonsMap;
    private enabled;
    constructor(context: IContext, menu: HTMLElement);
    setEnabled(enabled: boolean): void;
    private userRequestedMenu;
    /** Bring up the spatial menu. This is typically invoked from a button click.
     * The menu will show at a lower height to be easily accessible.
     * @returns true if the menu was shown, false if it can't be shown because the menu has been disabled.
     */
    setDisplay(display: boolean): boolean;
    onDestroy(): void;
    private uiisDirty;
    markDirty(): void;
    private _showNeedleLogo;
    showNeedleLogo(show: boolean): void;
    private _wasInXR;
    private preRender;
    private onEnterXR;
    private onExitXR;
    private createButtonFromHTMLNode;
    private readonly _menuTarget;
    private readonly positionFilter;
    private updateMenu;
    private ensureRenderOnTop;
    private familyName;
    private menu?;
    get isVisible(): boolean | undefined;
    private getMenu;
    private _poweredByNeedleElement;
    private handleNeedleWatermark;
    private ensureFont;
    private createButton;
}