import React from 'react';
/**
 * Valid values for the crossorigin attribute based on MDN specification
 */
export type CrossOrigin = 'anonymous' | 'use-credentials';
/**
 * Valid values for the fetchpriority attribute
 */
export type FetchPriority = 'high' | 'low' | 'auto';
/**
 * Valid values for the referrerpolicy attribute
 */
export type ReferrerPolicy = 'no-referrer' | 'no-referrer-when-downgrade' | 'origin' | 'origin-when-cross-origin' | 'same-origin' | 'strict-origin' | 'strict-origin-when-cross-origin' | 'unsafe-url';
/**
 * Valid values for the as attribute when used with preload/modulepreload
 */
export type AsType = 'audio' | 'document' | 'embed' | 'fetch' | 'font' | 'image' | 'object' | 'script' | 'style' | 'track' | 'video' | 'worker';
/**
 * Valid values for the blocking attribute
 */
export type BlockingType = 'render';
/**
 * Complete props interface for the Link component
 */
export interface LinkProps extends Omit<React.LinkHTMLAttributes<HTMLLinkElement>, 'as' | 'crossOrigin' | 'fetchPriority' | 'referrerPolicy'> {
    href: string;
    rel: string;
    as?: AsType;
    blocking?: BlockingType;
    crossOrigin?: CrossOrigin;
    disabled?: boolean;
    fetchPriority?: FetchPriority;
    hrefLang?: string;
    imageSizes?: string;
    imageSrcSet?: string;
    integrity?: string;
    media?: string;
    referrerPolicy?: ReferrerPolicy;
    sizes?: string;
    title?: string;
    type?: string;
}
/**
 * Link component that renders an HTML <link> element with comprehensive HTML5 support.
 *
 * This component supports all standard HTML5 link element attributes including:
 * - Resource linking (stylesheets, icons, etc.)
 * - Preloading resources with rel="preload"
 * - Module preloading with rel="modulepreload"
 * - CORS handling with crossOrigin
 * - Security features like Subresource Integrity
 * - Performance hints with fetchPriority
 * - Media queries for conditional loading
 * - All modern web standards compliance
 *
 * @example
 * // Basic stylesheet
 * <Link rel="stylesheet" href="/styles.css" />
 *
 * @example
 * // Preload font with CORS
 * <Link
 *   rel="preload"
 *   as="font"
 *   href="/fonts/main.woff2"
 *   type="font/woff2"
 *   crossOrigin="anonymous"
 * />
 *
 * @example
 * // Responsive stylesheet with media query
 * <Link
 *   rel="stylesheet"
 *   href="/mobile.css"
 *   media="screen and (max-width: 600px)"
 * />
 *
 * @example
 * // Icon with sizes
 * <Link
 *   rel="apple-touch-icon"
 *   sizes="180x180"
 *   href="/apple-touch-icon.png"
 * />
 */
export declare function Link(props: LinkProps): React.ReactElement;
/**
 * Convenience component for stylesheet links
 */
export declare function Stylesheet({ href, media, title, disabled, integrity, crossOrigin, fetchPriority, ...props }: Omit<LinkProps, 'rel'> & {
    media?: string;
    title?: string;
    disabled?: boolean;
}): React.ReactElement;
/**
 * Convenience component for favicon links
 */
export declare function Favicon({ href, sizes, type, ...props }: Omit<LinkProps, 'rel'> & {
    sizes?: string;
    type?: string;
}): React.ReactElement;
/**
 * Convenience component for Apple Touch Icon links
 */
export declare function AppleTouchIcon({ href, sizes, type, ...props }: Omit<LinkProps, 'rel'> & {
    sizes?: string;
    type?: string;
}): React.ReactElement;
/**
 * Convenience component for resource preloading
 */
export declare function Preload({ href, as, type, crossOrigin, integrity, fetchPriority, media, imageSizes, imageSrcSet, ...props }: Omit<LinkProps, 'rel'> & {
    as: AsType;
    type?: string;
    crossOrigin?: CrossOrigin;
    integrity?: string;
    fetchPriority?: FetchPriority;
    media?: string;
    imageSizes?: string;
    imageSrcSet?: string;
}): React.ReactElement;
/**
 * Convenience component for module preloading
 */
export declare function ModulePreload({ href, as, integrity, fetchPriority, crossOrigin, ...props }: Omit<LinkProps, 'rel'> & {
    as?: AsType;
    integrity?: string;
    fetchPriority?: FetchPriority;
    crossOrigin?: CrossOrigin;
}): React.ReactElement;
/**
 * Convenience component for DNS prefetch
 */
export declare function DNSPrefetch({ href, ...props }: Omit<LinkProps, 'rel'>): React.ReactElement;
/**
 * Convenience component for preconnect
 */
export declare function Preconnect({ href, crossOrigin, ...props }: Omit<LinkProps, 'rel'> & {
    crossOrigin?: CrossOrigin;
}): React.ReactElement;