import * as React from 'react';
import { type BaseUIComponentProps } from "../../internals/types.js";
/**
* A portal element that moves the popup to a different part of the DOM.
* By default, the portal element is appended to `
`.
* Renders a `` element.
*
* Documentation: [Base UI Navigation Menu](https://base-ui.com/react/components/navigation-menu)
*/
export declare const NavigationMenuPortal: React.ForwardRefExoticComponent & React.RefAttributes>;
export interface NavigationMenuPortalState {}
export interface NavigationMenuPortalProps extends BaseUIComponentProps<'div', NavigationMenuPortalState> {
/**
* Whether to keep the portal mounted in the DOM while the popup is hidden.
* @default false
*/
keepMounted?: boolean | undefined;
/**
* A parent element to render the portal element into.
*/
container?: HTMLElement | ShadowRoot | React.RefObject | null | undefined;
}
export declare namespace NavigationMenuPortal {
type State = NavigationMenuPortalState;
type Props = NavigationMenuPortalProps;
}