/**
 * [WHO]: NavigationMenu primitives for hierarchical navigation surfaces.
 * [FROM]: React, @radix-ui/react-navigation-menu, registry/lib/utils.
 * [TO]: sparkdesign package consumers; Showcase; CLI registry copies.
 * [HERE]: registry/basic/navigation-menu.tsx — tokenized shadcn-derived navigation menu primitive.
 *
 * [PROTOCOL]:
 * 1. Keep this P3 header in sync when the public contract changes.
 * 2. Update module AGENTS.md (P2) and root AGENTS.md (P1) when boundaries change.
 * 3. Follow design tokens and explicit type exports.
 */
import * as React from "react";
import { NavigationMenu as NavigationMenuPrimitive } from "radix-ui";
declare function NavigationMenu({ className, children, viewport, ...props }: React.ComponentProps<typeof NavigationMenuPrimitive.Root> & {
    viewport?: boolean;
}): import("react/jsx-runtime").JSX.Element;
declare function NavigationMenuList({ className, ...props }: React.ComponentProps<typeof NavigationMenuPrimitive.List>): import("react/jsx-runtime").JSX.Element;
declare function NavigationMenuItem({ className, ...props }: React.ComponentProps<typeof NavigationMenuPrimitive.Item>): import("react/jsx-runtime").JSX.Element;
declare const navigationMenuTriggerStyle: (props?: import("class-variance-authority/types").ClassProp | undefined) => string;
declare function NavigationMenuTrigger({ className, children, ...props }: React.ComponentProps<typeof NavigationMenuPrimitive.Trigger>): import("react/jsx-runtime").JSX.Element;
declare function NavigationMenuContent({ className, ...props }: React.ComponentProps<typeof NavigationMenuPrimitive.Content>): import("react/jsx-runtime").JSX.Element;
declare function NavigationMenuViewport({ className, ...props }: React.ComponentProps<typeof NavigationMenuPrimitive.Viewport>): import("react/jsx-runtime").JSX.Element;
declare function NavigationMenuLink({ className, ...props }: React.ComponentProps<typeof NavigationMenuPrimitive.Link>): import("react/jsx-runtime").JSX.Element;
declare function NavigationMenuIndicator({ className, ...props }: React.ComponentProps<typeof NavigationMenuPrimitive.Indicator>): import("react/jsx-runtime").JSX.Element;
export { NavigationMenu, NavigationMenuList, NavigationMenuItem, NavigationMenuContent, NavigationMenuTrigger, NavigationMenuLink, NavigationMenuIndicator, NavigationMenuViewport, navigationMenuTriggerStyle, };