/**
 * Create an HTML extension for `micromark` to support GFM task list items
 * syntax.
 *
 * @returns {Extension}
 *   Extension for `micromark` that can be passed in `htmlExtensions` to
 *   support GFM task list items when serializing to HTML.
 */
export function gfmTaskListItem(): Extension;
import type { Extension } from 'micromark-util-types';