code: public Swagger2MarkupConfigBuilder withMarkupLanguage(MarkupLanguage markupLanguage) {
          Validate.notNull(markupLanguage, "%s must not be null", "markupLanguage");
          config.markupLanguage = markupLanguage;
          return this;
      }
docs: Specifies the markup language which should be used to generate the files.
  
  @param markupLanguage the markup language which is used to generate the files
  @return this builder