public OperationCallSettings.Builder<CreateCustomClassRequest, CustomClass, OperationMetadata>
        createCustomClassOperationSettings() {
      return getStubSettingsBuilder().createCustomClassOperationSettings();
    }
Returns the builder for the settings used for calls to createCustomClass.
java-speech/google-cloud-speech/src/main/java/com/google/cloud/speech/v2/SpeechSettings.java