export declare function slugify(text: string): string;
export type Slugger = (text: string) => string;
export declare function createSlugger(): Slugger;
export interface UpdateFeedItem {
    /** The Update's `label` attribute; doubles as the feed entry title. */
    label: string;
    /** Anchor id the generated app assigns this entry (see parity note above). */
    anchor: string;
    /**
     * Feed entry text: the `rss` attribute when present, otherwise the block's
     * children reduced to pure Markdown (components, code, and HTML removed).
     */
    description: string;
}
export declare function parseUpdateBlocks(mdx: string): UpdateFeedItem[];
/**
 * Reduce an Update block's children to pure Markdown for feed readers:
 * components, code, and HTML are removed (tag children text survives),
 * images collapse to their alt text, inline code keeps its text. Markdown
 * inline syntax (emphasis, links, lists, headings) passes through, including
 * autolinks - `<https://...>` never matches the tag pattern because a `:`
 * follows the leading word characters.
 */
export declare function toRssMarkdown(inner: string): string;