code: public Swagger2MarkupConfigBuilder withSwaggerMarkupLanguage(MarkupLanguage swaggerMarkupLanguage) {
          Validate.notNull(swaggerMarkupLanguage, "%s must not be null", "swaggerMarkupLanguage");
          config.swaggerMarkupLanguage = swaggerMarkupLanguage;
          return this;
      }
docs: Specifies the markup language used in Swagger descriptions.
  
  @param swaggerMarkupLanguage the markup language used in Swagger descriptions
  @return this builder