import { Element } from "hast";
import { NormalizedOptions } from "./options";
/**
 * A function that allows callers to customize the table of contents
 */
export declare type CustomizationHook = (node: Element, ...args: unknown[]) => Element | boolean | undefined;
/**
 * Allows the user to customize the table of contents before it gets added to the page.
 */
export declare function customizationHooks(toc: Element, options: NormalizedOptions): Element | undefined;