code: def instance(*args: Any, **kwargs: Any) -> "VersionBase":
      return Singleton.instance(VersionBase, *args, **kwargs)
  
file_path: hydra/hydra/version.py
imports: from textwrap import dedent
  from typing import Any, Optional
  from packaging.version import Version
  from .None import __version__
  from ._internal.deprecation_warning import deprecation_warning
  from .core.singleton import Singleton
  from .errors import HydraException
label_desc: Use image node_id 4 for calling the VersionBase obj's underlying member method code with example usage: obj.instance() and returns: Singleton