/**
 * @type {Handle}
 * @param {Heading} node
 */
export function heading(node: Heading, _: import("../types.js").Parent | null | undefined, context: import("../types.js").Context, safeOptions: import("../types.js").SafeOptions): string;
export type Heading = import('mdast').Heading;
export type Handle = import('../types.js').Handle;
export type Exit = import('../types.js').Exit;