import type { ModulePublicRuntimeConfig } from '../../../module.js';
/**
 * Encode a URL path for safe inclusion in an HTTP header value.
 * HTTP header values must be ASCII-only per RFC 9110 §5.5, so paths containing
 * non-Latin characters (e.g. Chinese, Cyrillic) must be percent-encoded or
 * Cloudflare (and other RFC-compliant runtimes) will reject the header.
 * `encodeURI` preserves `/` separators and other reserved URL characters.
 */
export declare function encodePathForHeader(path: string): string;
type LinkUrlResolver = (path: string) => string;
/**
 * Build a comma-joined Link header value with the standard alternates plus i18n hreflang variants.
 */
export declare function buildLinkHeader(path: string, variant: 'html' | 'markdown', config: ModulePublicRuntimeConfig, resolveUrl?: LinkUrlResolver): string;
export {};