class_docstr: Fill-in metadata and options that can be automatically derived
  (from other metadata/options, the file system or conventions)
class_docstr_tok: ["Fill-in","metadata","and","options","that","can","be","automatically","derived","(","from","other","metadata\/options",",","the","file","system","or","conventions",")"]
code: def _package_dir(self) -> Dict[str, str]:
      if self.dist.package_dir is None:
          return {}
      return self.dist.package_dir
  
imports: import itertools
  import os
  from fnmatch import fnmatchcase
  from glob import glob
  from pathlib import Path
  from typing import TYPE_CHECKING, Dict, Iterable, Iterator, List, Mapping, Optional, Tuple, Union
  import _distutils_hack.override
  from distutils import log
  from distutils.util import convert_path
label_desc: Use image node_id 5 for calling the ConfigDiscovery obj's underlying member method code with example usage: obj._package_dir() and returns: self, dict