public PagedCallSettings.Builder<
            ListRuntimeVersionsRequest,
            ListRuntimeVersionsResponse,
            ListRuntimeVersionsPagedResponse>
        listRuntimeVersionsSettings() {
      return getStubSettingsBuilder().listRuntimeVersionsSettings();
    }
Returns the builder for the settings used for calls to listRuntimeVersions.
java-tpu/google-cloud-tpu/src/main/java/com/google/cloud/tpu/v2alpha1/TpuSettings.java