import type MarkdownIt from 'markdown-it';
/**
 * @link https://github.com/vuejs/vitepress/blob/1188951785fd2a72f9242d46dc55abb1effd212a/src/node/markdown/plugins/preWrapper.ts#L8
 * @param md  markdown-it 实例
 * @example
 * ```ts
 * md.use(copyableFencePlugin)
 * ```
 */
export declare function copyableFencePlugin(md: MarkdownIt): void;