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