docs: public ServiceCall<IdentifiableLanguages> listIdentifiableLanguages(
        ListIdentifiableLanguagesOptions listIdentifiableLanguagesOptions) {
      String[] pathSegments = { "v3/identifiable_languages" };
      RequestBuilder builder = RequestBuilder.get(RequestBuilder.constructHttpUrl(getEndPoint(), pathSegments));
      builder.query("version", versionDate);
      Map<String, String> sdkHeaders = SdkCommon.getSdkHeaders("language_translator", "v3", "listIdentifiableLanguages");
      for (Entry<String, String> header : sdkHeaders.entrySet()) {
        builder.header(header.getKey(), header.getValue());
      }
      builder.header("Accept", "application/json");
      if (listIdentifiableLanguagesOptions != null) {
      }
      return createServiceCall(builder.build(), ResponseConverterUtils.getObject(IdentifiableLanguages.class));
    }