import type { Options } from '@storybook/core-common';
import { Plugin } from 'vite';
/**
 * Storybook uses two different loaders when dealing with MDX:
 *
 * - *stories.mdx and *story.mdx are compiled with the CSF compiler
 * - *.mdx are compiled with the MDX compiler directly
 *
 * @see https://github.com/storybookjs/storybook/blob/next/addons/docs/docs/recipes.md#csf-stories-with-arbitrary-mdx
 */
export declare function mdxPlugin(options: Options): Plugin;