declare namespace _exports {
    export { CollapsibleHeadingOptions };
}
declare const _exports: import('markdown-it').PluginWithOptions<CollapsibleHeadingOptions>;
export = _exports;
type CollapsibleHeadingOptions = {
    /**
     * List of headings to transform.
     */
    levels?: number[];
    /**
     * Whether to collapse the content by default.
     */
    open?: boolean;
    /**
     * Class to use for collapsible sections.
     */
    className?: string;
};