class_docstr: Initializes Hydra and add an absolute config dir to the to the config search path.
  The config_dir is always a path on the file system and is must be an absolute path.
  Relative paths will result in an error.
  :param config_dir: absolute file system path
  :param job_name: the value for hydra.job.name (default is 'app')
code: def __repr__(self) -> str:
      return "hydra.experimental.initialize_config_dir()"
  
imports: import copy
  from typing import Any, Optional
  from hydra import version
  from hydra._internal.deprecation_warning import deprecation_warning
  from hydra.core.global_hydra import GlobalHydra
  from hydra.core.singleton import Singleton
  from hydra.initialize import _UNSPECIFIED_
label_desc: Use image node_id 4 for calling the initialize_config_dir obj's underlying member method code with example usage: obj.__repr__() and returns: str