public PagedCallSettings<
          ListTensorFlowVersionsRequest,
          ListTensorFlowVersionsResponse,
          ListTensorFlowVersionsPagedResponse>
      listTensorFlowVersionsSettings() {
    return ((TpuStubSettings) getStubSettings()).listTensorFlowVersionsSettings();
  }
Returns the object with the settings used for calls to listTensorFlowVersions.
java-tpu/google-cloud-tpu/src/main/java/com/google/cloud/tpu/v1/TpuSettings.java