docs: public ServiceCall<LanguageModels> listLanguageModels(ListLanguageModelsOptions listLanguageModelsOptions) {
      String[] pathSegments = { "v1/customizations" };
      RequestBuilder builder = RequestBuilder.get(RequestBuilder.constructHttpUrl(getEndPoint(), pathSegments));
      Map<String, String> sdkHeaders = SdkCommon.getSdkHeaders("speech_to_text", "v1", "listLanguageModels");
      for (Entry<String, String> header : sdkHeaders.entrySet()) {
        builder.header(header.getKey(), header.getValue());
      }
      builder.header("Accept", "application/json");
      if (listLanguageModelsOptions != null) {
        if (listLanguageModelsOptions.language() != null) {
          builder.query("language", listLanguageModelsOptions.language());
        }
      }
      return createServiceCall(builder.build(), ResponseConverterUtils.getObject(LanguageModels.class));
    }