export type TocEntry = {
    id: string;
    title: string;
    depth: 2 | 3;
};
/**
 * Reduce a markdown page to plain, searchable body text: prose and heading text
 * with frontmatter, `<script>`/`<style>` blocks, fenced code, HTML/Svelte tags,
 * and markdown punctuation removed. Feeds the generated search index. Code
 * samples are intentionally dropped to keep the index small and prose-focused.
 */
export declare function extractSearchText(source: string): string;
/** Estimated reading time in whole minutes from a page's plain-text body. */
export declare function readingMinutes(text: string): number;
/**
 * Extract `h2`/`h3` headings from a markdown page so the in-page TOC can be
 * server-rendered (no post-hydration pop-in). Skips fenced code blocks. Ids are
 * produced with the same `github-slugger` that `rehype-slug` uses at render
 * time — including its duplicate-suffixing — so the SSR anchors match the real
 * heading ids exactly, not just for common cases.
 */
export declare function extractToc(source: string): TocEntry[];
/**
 * The page's markdown body for LLM output: frontmatter and `<script>`/`<style>`
 * blocks removed, everything else (headings, prose, code, component tags) kept,
 * with the frontmatter title prepended as an `h1` (pages start their body at h2).
 */
export declare function extractLlmsContent(source: string, title: string): string;