public OperationCallSettings.Builder<DeleteNodeRequest, Empty, OperationMetadata>
        deleteNodeOperationSettings() {
      return getStubSettingsBuilder().deleteNodeOperationSettings();
    }
Returns the builder for the settings used for calls to deleteNode.
java-tpu/google-cloud-tpu/src/main/java/com/google/cloud/tpu/v2alpha1/TpuSettings.java