import type { PageMeta, SiteConfig } from './types';
/**
 * Replace stx's auto-injected default SEO block (which says "stx Project")
 * with site-specific tags. Looks for the marker comment stx inserts and
 * swaps the wrapped meta tags. If the block isn't found, prepends the
 * tags after <head>.
 */
export declare function injectSeo(html: string, site: SiteConfig, page?: PageMeta, pagePath?: string): string;
