public OperationCallSettings<
          PerformMaintenanceQueuedResourceRequest, QueuedResource, OperationMetadata>
      performMaintenanceQueuedResourceOperationSettings() {
    return ((TpuStubSettings) getStubSettings())
        .performMaintenanceQueuedResourceOperationSettings();
  }
Returns the object with the settings used for calls to performMaintenanceQueuedResource.
java-tpu/google-cloud-tpu/src/main/java/com/google/cloud/tpu/v2alpha1/TpuSettings.java