/**
 * Next.js Metadata API
 *
 * This file defines the types used by Next.js to configure metadata
 * through static exports or dynamic `generateMetadata` functions in Server Components.
 *
 * @remarks
 * - The static `metadata` object and `generateMetadata` function are only supported in Server Components.
 * - Do not export both a `metadata` object and a `generateMetadata` function from the same route segment.
 * - You can still render metadata in client components directly as part of the component's JSX.
 *
 * @see https://nextjs.org/docs/app/api-reference/metadata
 */
import type { AlternateURLs, Languages, ResolvedAlternateURLs } from './alternative-urls-types';
import type { AppleWebApp, AppLinks, Facebook, FormatDetection, ItunesApp, Pinterest, ResolvedAppleWebApp, ResolvedAppLinks, ResolvedFacebook, ResolvedPinterest, ViewportLayout } from './extra-types';
import type { DeprecatedMetadataFields, AbsoluteTemplateString, Author, ColorSchemeEnum, Icon, Icons, IconURL, ReferrerEnum, ResolvedIcons, ResolvedVerification, Robots, ResolvedRobots, TemplateString, Verification, ThemeColorDescriptor, Videos } from './metadata-types';
import type { Manifest as ManifestFile } from './manifest-types';
import type { OpenGraph, ResolvedOpenGraph } from './opengraph-types';
import type { ResolvedTwitterMetadata, Twitter } from './twitter-types';
/**
 * Metadata interface to describe all the metadata fields that can be set in a document.
 *
 * @remarks
 * This interface covers all the metadata fields available in Next.js including title, description,
 * icons, openGraph, twitter, and more. Fields such as `metadataBase` help in composing absolute URLs
 * from relative ones. The `title` field supports both simple strings and a template object with `default`,
 * `template`, and `absolute` properties.
 *
 * @example
 * ```tsx
 * // Static metadata export in a layout or page:
 * import type { Metadata } from 'next'
 *
 * export const metadata: Metadata = {
 *   metadataBase: new URL('https://example.com'),
 *   title: { default: 'My Site', template: '%s | My Site' },
 *   description: 'Welcome to My Site',
 *   alternates: {
 *     canonical: 'https://example.com',
 *     languages: {
 *       'en-US': 'https://example.com/en-US',
 *       'de-DE': 'https://example.com/de-DE'
 *     }
 *   },
 *   openGraph: {
 *     title: 'My Site',
 *     description: 'Welcome to My Site',
 *     url: 'https://example.com',
 *     siteName: 'My Site',
 *     images: [{ url: 'https://example.com/og.png' }]
 *   },
 * }
 * ```
 */
interface Metadata extends DeprecatedMetadataFields {
    /**
     * The base path and origin for absolute URLs in various metadata fields.
     *
     * @remarks
     * When relative URLs (for Open Graph images, alternates, etc.) are used, they are composed with this base.
     * If not provided, Next.js will populate a default value based on environment variables.
     */
    metadataBase?: null | string | URL | undefined;
    /**
     * The document title.
     *
     * @remarks
     * The title can be a simple string (e.g., `"My Blog"`) or an object with:
     * - `default`: A fallback title for child segments.
     * - `template`: A title template (e.g., `"%s | My Website"`) applied to child titles.
     * - `absolute`: A title that overrides parent templates.
     *
     * @example
     * ```tsx
     * // As a simple string:
     * title: "My Blog"
     *
     * // As a template object:
     * title: { default: "Dashboard", template: "%s | My Website" }
     *
     * // Using absolute value (ignores parent template):
     * title: { absolute: "My Blog", template: "%s | My Website" }
     * ```
     */
    title?: null | string | TemplateString | undefined;
    /**
     * The document description, and optionally the Open Graph and Twitter descriptions.
     *
     * @example
     * ```tsx
     * description: "My Blog Description"
     * // Renders: <meta name="description" content="My Blog Description" />
     * ```
     */
    description?: null | string | undefined;
    /**
     * The application name.
     *
     * @example
     * ```tsx
     * applicationName: "My Blog"
     * // Renders: <meta name="application-name" content="My Blog" />
     * ```
     */
    applicationName?: null | string | undefined;
    /**
     * The authors of the document.
     *
     * @example
     * ```tsx
     * authors: [{ name: "Next.js Team", url: "https://nextjs.org" }]
     * // Renders:
     * // <meta name="author" content="Next.js Team" />
     * // <link rel="author" href="https://nextjs.org" />
     * ```
     */
    authors?: null | Author | Array<Author> | undefined;
    /**
     * The generator used for the document.
     *
     * @example
     * ```tsx
     * generator: "Next.js"
     * // Renders: <meta name="generator" content="Next.js" />
     * ```
     */
    generator?: null | string | undefined;
    /**
     * The keywords for the document.
     *
     * @remarks
     * When an array is provided, keywords are flattened into a comma-separated string.
     *
     * @example
     * ```tsx
     * keywords: "nextjs, react, blog"
     * // or
     * keywords: ["react", "server components"]
     * ```
     */
    keywords?: null | string | Array<string> | undefined;
    /**
     * The referrer setting for the document.
     *
     * @example
     * ```tsx
     * referrer: "origin"
     * // Renders: <meta name="referrer" content="origin" />
     * ```
     */
    referrer?: null | ReferrerEnum | undefined;
    /**
     * The theme color for the document.
     *
     * @deprecated Use the new viewport configuration (`export const viewport: Viewport = { ... }`) instead.
     */
    themeColor?: null | string | ThemeColorDescriptor | ThemeColorDescriptor[] | undefined;
    /**
     * The color scheme for the document.
     *
     * @deprecated Use the new viewport configuration (`export const viewport: Viewport = { ... }`) instead.
     */
    colorScheme?: null | ColorSchemeEnum | undefined;
    /**
     * The viewport setting for the document.
     *
     * @deprecated Use the new viewport configuration (`export const viewport: Viewport = { ... }`) instead.
     */
    viewport?: null | string | ViewportLayout | undefined;
    /**
     * The creator of the document.
     *
     * @example
     * ```tsx
     * creator: "Next.js Team"
     * // Renders: <meta name="creator" content="Next.js Team" />
     * ```
     */
    creator?: null | string | undefined;
    /**
     * The publisher of the document.
     *
     * @example
     * ```tsx
     * publisher: "Vercel"
     * // Renders: <meta name="publisher" content="Vercel" />
     * ```
     */
    publisher?: null | string | undefined;
    /**
     * The robots setting for the document.
     *
     * @remarks
     * Can be a string (e.g., "index, follow") or an object with more granular rules.
     *
     * @example
     * ```tsx
     * robots: "index, follow"
     * // or
     * robots: { index: true, follow: true }
     * ```
     *
     * @see https://developer.mozilla.org/docs/Glossary/Robots.txt
     */
    robots?: null | string | Robots | undefined;
    /**
     * The canonical and alternate URLs for the document.
     *
     * @remarks
     * This field allows defining a canonical URL as well as alternate URLs (such as for multiple languages).
     *
     * @example
     * ```tsx
     * alternates: {
     *   canonical: "https://example.com",
     *   languages: {
     *     "en-US": "https://example.com/en-US"
     *   }
     * }
     * ```
     */
    alternates?: null | AlternateURLs | undefined;
    /**
     * The icons for the document. Defaults to rel="icon".
     *
     * @remarks
     * You can specify a simple URL or an object to differentiate between icon types (e.g., apple-touch-icon).
     *
     * @example
     * ```tsx
     * icons: "https://example.com/icon.png"
     * // or
     * icons: {
     *   icon: "https://example.com/icon.png",
     *   apple: "https://example.com/apple-icon.png"
     * }
     * ```
     *
     * @see https://developer.mozilla.org/docs/Web/HTML/Attributes/rel#attr-icon
     */
    icons?: null | IconURL | Array<Icon> | Icons | undefined;
    /**
     * A web application manifest, as defined in the Web Application Manifest specification.
     *
     * @example
     * ```tsx
     * manifest: "https://example.com/manifest.json"
     * // Renders: <link rel="manifest" href="https://example.com/manifest.json" />
     * ```
     *
     * @see https://developer.mozilla.org/docs/Web/Manifest
     */
    manifest?: null | string | URL | undefined;
    /**
     * The Open Graph metadata for the document.
     *
     * @remarks
     * Follows the Open Graph protocol to enrich link previews.
     *
     * @example
     * ```tsx
     * openGraph: {
     *   type: "website",
     *   url: "https://example.com",
     *   title: "My Website",
     *   description: "My Website Description",
     *   siteName: "My Website",
     *   images: [{ url: "https://example.com/og.png" }]
     * }
     * ```
     *
     * @see https://ogp.me/
     */
    openGraph?: null | OpenGraph | undefined;
    /**
     * The Twitter metadata for the document.
     *
     * @remarks
     * - Used for configuring Twitter Cards and can include details such as `card`, `site`, and `creator`.
     * - Notably, more sites than just Twitter (now X) use this format.
     *
     * @example
     * ```tsx
     * twitter: {
     *   card: "summary_large_image",
     *   site: "@site",
     *   creator: "@creator",
     *   images: "https://example.com/og.png"
     * }
     * ```
     */
    twitter?: null | Twitter | undefined;
    /**
     * The Facebook metadata for the document.
     *
     * @remarks
     * Specify either `appId` or `admins` (but not both) to configure Facebook integration.
     *
     * @example
     * ```tsx
     * facebook: { appId: "12345678" }
     * // Renders <meta property="fb:app_id" content="12345678" />
     * // or
     * facebook: { admins: ["12345678"] }
     * // Renders <meta property="fb:admins" content="12345678" />
     * ```
     */
    facebook?: null | Facebook | undefined;
    /**
     * The Pinterest metadata for the document to choose whether opt out of rich pin data.
     *
     * @example
     * ```tsx
     * pinterest: { richPin: true }
     * // Renders <meta name="pinterest-rich-pin" content="true" />
     * ```
     */
    pinterest?: null | Pinterest;
    /**
     * The common verification tokens for the document.
     *
     * @example
     * ```tsx
     * verification: { google: "1234567890", yandex: "1234567890", "me": "1234567890" }
     * // Renders <meta name="google-site-verification" content="1234567890" />
     * // <meta name="yandex-verification" content="1234567890" />
     * // <meta name="me" content="@me" />
     * ```
     */
    verification?: Verification | undefined;
    /**
     * The Apple web app metadata for the document.
     *
     * @example
     * ```tsx
     * appleWebApp: { capable: true, title: "My Website", statusBarStyle: "black-translucent" }
     * ```
     *
     * @see https://developer.apple.com/library/archive/documentation/AppleApplications/Reference/SafariHTMLRef/Articles/MetaTags.html
     */
    appleWebApp?: null | boolean | AppleWebApp | undefined;
    /**
     * Indicates whether devices should interpret certain formats (such as telephone numbers) as actionable links.
     *
     * @example
     * ```tsx
     * formatDetection: { telephone: false }
     * // Renders: <meta name="format-detection" content="telephone=no" />
     * ```
     */
    formatDetection?: null | FormatDetection | undefined;
    /**
     * The metadata for the iTunes App.
     *
     * @remarks
     * Adds the `name="apple-itunes-app"` meta tag.
     *
     * @example
     * ```tsx
     * itunes: { app: { id: "123456789", affiliateData: "123456789", appArguments: "123456789" } }
     * // Renders <meta name="apple-itunes-app" content="app-id=123456789, affiliate-data=123456789, app-arguments=123456789" />
     * ```
     */
    itunes?: null | ItunesApp | undefined;
    /**
     * A brief description of the web page.
     *
     * @remarks
     * Rendered as the `abstract` meta tag. This is *not recommended* as it is superseded by `description`.
     *
     * @example
     * ```tsx
     * abstract: "My Website Description"
     * // Renders <meta name="abstract" content="My Website Description" />
     * ```
     */
    abstract?: null | string | undefined;
    /**
     * The Facebook AppLinks metadata for the document.
     *
     * @example
     * ```tsx
     * appLinks: {
     *   ios: { appStoreId: "123456789", url: "https://example.com" },
     *   android: { packageName: "com.example", url: "https://example.com" }
     * }
     *
     * // Renders
     * <meta property="al:ios:app_store_id" content="123456789" />
     * <meta property="al:ios:url" content="https://example.com" />
     * <meta property="al:android:package" content="com.example" />
     * <meta property="al:android:url" content="https://example.com" />
     * ```
     */
    appLinks?: null | AppLinks | undefined;
    /**
     * The archives link rel property.
     *
     * @example
     * ```tsx
     * archives: "https://example.com/archives"
     * // Renders <link rel="archives" href="https://example.com/archives" />
     * ```
     */
    archives?: null | string | Array<string> | undefined;
    /**
     * The assets link rel property.
     *
     * @example
     * ```tsx
     * assets: "https://example.com/assets"
     * // Renders <link rel="assets" href="https://example.com/assets" />
     * ```
     */
    assets?: null | string | Array<string> | undefined;
    /**
     * The bookmarks link rel property.
     *
     * @remarks
     * Although technically against the HTML spec, this is used in practice.
     *
     * @example
     * ```tsx
     * bookmarks: "https://example.com/bookmarks"
     * // Renders <link rel="bookmarks" href="https://example.com/bookmarks" />
     * ```
     */
    bookmarks?: null | string | Array<string> | undefined;
    /**
     * The pagination link rel properties.
     *
     * @example
     * ```tsx
     * pagination: {
     *   previous: "https://example.com/items?page=1",
     *   next: "https://example.com/items?page=3"
     * }
     *
     * // Renders
     * <link rel="prev" href="https://example.com/items?page=1" />
     * <link rel="next" href="https://example.com/items?page=3" />
     * ```
     *
     * @see https://developers.google.com/search/blog/2011/09/pagination-with-relnext-and-relprev
     */
    pagination?: {
        previous?: null | string | URL | undefined;
        next?: null | string | URL | undefined;
    };
    /**
     * The category meta name property.
     *
     * @example
     * ```tsx
     * category: "My Category"
     * // Renders <meta name="category" content="My Category" />
     * ```
     */
    category?: null | string | undefined;
    /**
     * The classification meta name property.
     *
     * @example
     * ```tsx
     * classification: "My Classification"
     * // Renders <meta name="classification" content="My Classification" />
     * ```
     */
    classification?: null | string | undefined;
    /**
     * Arbitrary name/value pairs for additional metadata.
     *
     * @remarks
     * Use this field to define custom meta tags that are not directly supported.
     *
     * @example
     * ```tsx
     * other: { custom: ["meta1", "meta2"] }
     * ```
     */
    other?: {
        [name: string]: string | number | Array<string | number>;
    } | undefined;
}
/**
 * ResolvedMetadataWithURLs represents the fully processed metadata after
 * defaults are applied and relative URLs are composed with `metadataBase`.
 */
interface ResolvedMetadataWithURLs {
    metadataBase: string | null | URL;
    title: null | AbsoluteTemplateString;
    description: null | string;
    applicationName: null | string;
    authors: null | Array<Author>;
    generator: null | string;
    keywords: null | Array<string>;
    referrer: null | ReferrerEnum;
    /**
     * @deprecated
     */
    themeColor: null | ThemeColorDescriptor[];
    /**
     * @deprecated
     */
    colorScheme: null | ColorSchemeEnum;
    /**
     * @deprecated
     */
    viewport: null | string;
    creator: null | string;
    publisher: null | string;
    robots: null | ResolvedRobots;
    alternates: null | ResolvedAlternateURLs;
    icons: null | ResolvedIcons;
    openGraph: null | ResolvedOpenGraph;
    manifest: null | string | URL;
    twitter: null | ResolvedTwitterMetadata;
    facebook: null | ResolvedFacebook;
    pinterest: null | ResolvedPinterest;
    verification: null | ResolvedVerification;
    appleWebApp: null | ResolvedAppleWebApp;
    formatDetection: null | FormatDetection;
    itunes: null | ItunesApp;
    abstract: null | string;
    appLinks: null | ResolvedAppLinks;
    archives: null | Array<string>;
    assets: null | Array<string>;
    bookmarks: null | Array<string>;
    pagination: {
        previous: null | string;
        next: null | string;
    };
    category: null | string;
    classification: null | string;
    other: null | {
        [name: string]: string | number | Array<string | number>;
    };
}
export type WithStringifiedURLs<T> = T extends URL ? string : T extends object ? {
    [K in keyof T]: WithStringifiedURLs<T[K]>;
} : T;
/**
 * ResolvedMetadata represents the fully processed metadata after defaults are
 * applied and relative URLs are composed with `metadataBase`.
 */
type ResolvedMetadata = WithStringifiedURLs<ResolvedMetadataWithURLs>;
type RobotsFile = {
    rules: {
        userAgent?: string | string[] | undefined;
        allow?: string | string[] | undefined;
        disallow?: string | string[] | undefined;
        crawlDelay?: number | undefined;
    } | Array<{
        userAgent: string | string[];
        allow?: string | string[] | undefined;
        disallow?: string | string[] | undefined;
        crawlDelay?: number | undefined;
    }>;
    sitemap?: string | string[] | undefined;
    host?: string | undefined;
};
type SitemapFile = Array<{
    url: string;
    lastModified?: string | Date | undefined;
    changeFrequency?: 'always' | 'hourly' | 'daily' | 'weekly' | 'monthly' | 'yearly' | 'never' | undefined;
    priority?: number | undefined;
    alternates?: {
        languages?: Languages<string> | undefined;
    } | undefined;
    images?: string[] | undefined;
    videos?: Videos[] | undefined;
}>;
type ResolvingMetadata = Promise<ResolvedMetadata>;
declare namespace MetadataRoute {
    type Robots = RobotsFile;
    type Sitemap = SitemapFile;
    type Manifest = ManifestFile;
}
/**
 * Interface for the viewport configuration.
 *
 * @remarks
 * This configuration allows defining properties such as width, initial scale, theme colors,
 * and color scheme.
 *
 * @example
 * ```tsx
 * export const viewport: Viewport = {
 *   width: "device-width",
 *   initialScale: 1,
 *   themeColor: [
 *     { media: "(prefers-color-scheme: dark)", color: "#000000" },
 *     { media: "(prefers-color-scheme: light)", color: "#ffffff" }
 *   ],
 *   colorScheme: "dark"
 * }
 * ```
 */
interface Viewport extends ViewportLayout {
    /**
     * The theme color for the document.
     *
     * @example
     * ```tsx
     * themeColor: "#000000"
     * // Renders <meta name="theme-color" content="#000000" />
     *
     * themeColor: { media: "(prefers-color-scheme: dark)", color: "#000000" }
     * // Renders <meta name="theme-color" media="(prefers-color-scheme: dark)" content="#000000" />
     *
     * themeColor: [
     *  { media: "(prefers-color-scheme: dark)", color: "#000000" },
     *  { media: "(prefers-color-scheme: light)", color: "#ffffff" }
     * ]
     * // Renders <meta name="theme-color" media="(prefers-color-scheme: dark)" content="#000000" />
     * // Renders <meta name="theme-color" media="(prefers-color-scheme: light)" content="#ffffff" />
     * ```
     */
    themeColor?: null | string | ThemeColorDescriptor | ThemeColorDescriptor[] | undefined;
    /**
     * The color scheme for the document.
     *
     * @example
     * ```tsx
     * colorScheme: "dark"
     * // Renders <meta name="color-scheme" content="dark" />
     * ```
     */
    colorScheme?: null | ColorSchemeEnum | undefined;
}
interface ResolvedViewport extends ViewportLayout {
    themeColor: null | ThemeColorDescriptor[];
    colorScheme: null | ColorSchemeEnum;
}
type ResolvingViewport = Promise<ResolvedViewport>;
export type { Metadata, ResolvedMetadata, ResolvedMetadataWithURLs, ResolvingMetadata, MetadataRoute, Viewport, ResolvingViewport, ResolvedViewport, };
