code: def get_backend_class(name: str) -> IStanBackend:
      try:
          return StanBackendEnum[name].value
      except KeyError as e:
          raise ValueError(f"Unknown stan backend: {name}") from e
  
imports: from __future__ import absolute_import, division, print_function
  from abc import abstractmethod, ABC
  from dataclasses import dataclass
  from typing import Sequence, Tuple
  from collections import OrderedDict
  from enum import Enum
  import importlib_resources
  import platform
  import logging
label_desc: Use image node_id 1 for calling the StanBackendEnum obj's underlying member method code with example usage: obj.get_backend_class(name) and returns: StanBackendEnum