class_docstr: Describes a mutually exclusive group of options.
code: def __init__(self, *options: Arg, **kwargs: Any) -> None:
      self.options = options
      self.kwargs = kwargs
  
imports: import functools
  import itertools
  from argparse import SUPPRESS, ArgumentDefaultsHelpFormatter, ArgumentParser, Namespace
  from typing import Any, Callable, List, NamedTuple, Optional, Tuple, Union, cast
  from termcolor import colored
  from determined.common import util
label_desc: Use image node_id 1 to create a new Group object  with example: obj = Group()