/**
 * NavigationMenu: a horizontal site-navigation bar whose items can open a
 * dropdown panel of links. Self-contained (context + `aria-expanded` triggers,
 * no floating engine): the root owns which item's panel is open and only one is
 * open at a time. A `NavigationMenuTrigger` toggles its panel on click and opens
 * it on pointer-enter; its `NavigationMenuContent` renders absolutely under the
 * trigger while open (`data-state="open"`). Plain `NavigationMenuLink` items with
 * no panel are supported for simple top-level links. Skinned with veryfront
 * theme tokens.
 *
 * @example
 * ```tsx
 * import {
 *   NavigationMenu,
 *   NavigationMenuContent,
 *   NavigationMenuItem,
 *   NavigationMenuLink,
 *   NavigationMenuList,
 *   NavigationMenuTrigger,
 * } from "veryfront/ui";
 *
 * <NavigationMenu>
 *   <NavigationMenuList>
 *     <NavigationMenuItem value="products">
 *       <NavigationMenuTrigger>Products</NavigationMenuTrigger>
 *       <NavigationMenuContent>
 *         <NavigationMenuLink href="/analytics">Analytics</NavigationMenuLink>
 *         <NavigationMenuLink href="/automation">Automation</NavigationMenuLink>
 *       </NavigationMenuContent>
 *     </NavigationMenuItem>
 *     <NavigationMenuItem value="docs">
 *       <NavigationMenuLink href="/docs">Docs</NavigationMenuLink>
 *     </NavigationMenuItem>
 *   </NavigationMenuList>
 * </NavigationMenu>;
 * ```
 *
 * @module react/components/ui/navigation-menu
 */
import * as React from "react";
/** Props accepted by `<NavigationMenu>`. */
export interface NavigationMenuProps extends React.HTMLAttributes<HTMLElement> {
    /** Accessible name for the navigation landmark. @default "Main" */
    label?: string;
    /** The `NavigationMenuList` (and its items) that make up the nav. */
    children: React.ReactNode;
    /** React 19: ref is a regular prop, points at the `<nav>` landmark. */
    ref?: React.Ref<HTMLElement>;
}
/** Navigation root: a `<nav>` landmark that owns which item's panel is open. */
export declare function NavigationMenu({ label, className, children, ref, onBlur, onKeyDown, ...props }: NavigationMenuProps): React.ReactElement;
/** Props accepted by `<NavigationMenuList>`. */
export interface NavigationMenuListProps extends React.HTMLAttributes<HTMLUListElement> {
    /** The `NavigationMenuItem` children of the bar. */
    children: React.ReactNode;
    /** React 19: ref is a regular prop, points at the `<ul>`. */
    ref?: React.Ref<HTMLUListElement>;
}
/** The horizontal list container: a flex `<ul>` of items. */
export declare function NavigationMenuList({ className, children, ref, ...props }: NavigationMenuListProps): React.ReactElement;
/** Props accepted by `<NavigationMenuItem>`. */
export interface NavigationMenuItemProps extends React.LiHTMLAttributes<HTMLLIElement> {
    /** Stable identifier linking this item's trigger to its panel and open state. */
    value: string;
    /** The `NavigationMenuTrigger` + `NavigationMenuContent` (or a plain `NavigationMenuLink`). */
    children: React.ReactNode;
    /** React 19: ref is a regular prop, points at the `<li>`. */
    ref?: React.Ref<HTMLLIElement>;
}
/** One item in the bar: an `<li>` that provides its value to its trigger/panel. */
export declare function NavigationMenuItem({ value, className, children, ref, ...props }: NavigationMenuItemProps): React.ReactElement;
/** Props accepted by `<NavigationMenuTrigger>`. */
export interface NavigationMenuTriggerProps extends React.ButtonHTMLAttributes<HTMLButtonElement> {
    /** The trigger label (usually a nav word like "Products"). */
    children: React.ReactNode;
    /** React 19: ref is a regular prop, points at the trigger button. */
    ref?: React.Ref<HTMLButtonElement>;
}
/** The button that toggles its item's panel: `aria-expanded` + `aria-controls`, with a caret. */
export declare function NavigationMenuTrigger({ className, onClick, onPointerEnter, onPointerLeave, children, ref, ...props }: NavigationMenuTriggerProps): React.ReactElement;
/** Props accepted by `<NavigationMenuContent>`. */
export interface NavigationMenuContentProps extends React.HTMLAttributes<HTMLDivElement> {
    /** The `NavigationMenuLink`s (or other content) for this item's dropdown panel. */
    children: React.ReactNode;
    /** React 19: ref is a regular prop, points at the panel. */
    ref?: React.Ref<HTMLDivElement>;
}
/** The dropdown panel for one item: absolutely positioned, rendered only while open. */
export declare function NavigationMenuContent({ className, children, ref, onPointerEnter, onPointerLeave, ...props }: NavigationMenuContentProps): React.ReactElement | null;
/** Props accepted by `<NavigationMenuLink>`. */
export interface NavigationMenuLinkProps extends React.AnchorHTMLAttributes<HTMLAnchorElement> {
    /** Marks this link as the current page (`aria-current="page"` + active styling). @default false */
    active?: boolean;
    /** The link label / content. */
    children: React.ReactNode;
    /** React 19: ref is a regular prop, points at the `<a>`. */
    ref?: React.Ref<HTMLAnchorElement>;
}
/** A single navigable link: used inside a panel or as a plain top-level item. */
export declare function NavigationMenuLink({ active, className, children, ref, ...props }: NavigationMenuLinkProps): React.ReactElement;
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