public OperationCallSettings<DeleteNodeRequest, Node, OperationMetadata>
      deleteNodeOperationSettings() {
    return ((TpuStubSettings) getStubSettings()).deleteNodeOperationSettings();
  }
Returns the object with the settings used for calls to deleteNode.
java-tpu/google-cloud-tpu/src/main/java/com/google/cloud/tpu/v1/TpuSettings.java