public PagedCallSettings.Builder<
            ListCustomClassesRequest, ListCustomClassesResponse, ListCustomClassesPagedResponse>
        listCustomClassesSettings() {
      return getStubSettingsBuilder().listCustomClassesSettings();
    }
Returns the builder for the settings used for calls to listCustomClasses.
java-speech/google-cloud-speech/src/main/java/com/google/cloud/speech/v2/SpeechSettings.java