import { default as React, ReactElement } from 'react';
import { MenuInternalProps, MenuProps } from './menu';
export declare const IS_MENU: unique symbol;
/**
 * Type guard that checks whether a React node is a Menu component.
 *
 * Identifies Menu elements by the internal {@link IS_MENU} symbol
 * attached to the component type.
 *
 * @param el - React node to test.
 * @returns `true` if the node is a Menu element.
 *
 * @internal
 */
export declare function isMenu(el: React.ReactNode): el is ReactElement<MenuProps & MenuInternalProps>;