declare module 'markdown-it' {
  interface Options {
    html?: boolean;
    linkify?: boolean;
    typographer?: boolean;
    highlight?(str: string, lang: string): string;
    [key: string]: any;
  }

  class MarkdownIt {
    constructor(opts?: Options);
    use(plugin: any, opts?: any): this;
    render(src: string): string;
    utils: {
      escapeHtml(str: string): string;
    };
  }

  export default MarkdownIt;
}