/**
 * Create an extension for `micromark` to support GitHub autolink literal
 * syntax.
 *
 * @returns {Extension}
 *   Extension for `micromark` that can be passed in `extensions` to enable GFM
 *   autolink literal syntax.
 */
export function gfmAutolinkLiteral(): Extension;
import type { Extension } from 'micromark-util-types';