public UnaryCallSettings.Builder<BatchTranslateDocumentRequest, Operation>
        batchTranslateDocumentSettings() {
      return getStubSettingsBuilder().batchTranslateDocumentSettings();
    }
Returns the builder for the settings used for calls to batchTranslateDocument.
java-translate/google-cloud-translate/src/main/java/com/google/cloud/translate/v3beta1/TranslationServiceSettings.java