/**
 * Displays the current section title as a sticky header at the top of the slide.
 *
 * The section title is derived from the `section` frontmatter field.
 * Once set on a slide, it persists on subsequent slides until changed or
 * explicitly cleared (by setting `section: ""` or `section: false`).
 */
export declare function SectionTitle({ title }: {
    title: string;
}): import("react/jsx-runtime").JSX.Element;
/**
 * Compute the current section title for a given slide index.
 * Walks backward through slides to find the most recent `section` frontmatter.
 * A falsy value (empty string, false) explicitly clears the section.
 */
export declare function getCurrentSection(slides: {
    metadata: Record<string, unknown>;
}[], slideIndex: number): string;