import type { Document } from '../model/index.js';
export interface AnchorMap {
    fragment(id: string): string | undefined;
    htmlId(id: string): string | undefined;
}
export declare function resolveAnchors(doc: Document): AnchorMap;
/**
 * GFM-style heading slugs: full-Unicode lowercase, spaces become hyphens,
 * and everything except word-forming characters (letters, numbers, marks,
 * connector punctuation) and hyphens drops. An empty result becomes
 * `section` so the anchor stays linkable.
 */
export declare function gfmSlug(text: string): string;