code: def _ensure_paths_and_types(index: Dict[str, str]) -> Dict[str, Path]:
      
      configs_by_name = {ce.name: ce for ce in CONFIG_ELEMENTS}
      correct_types: Dict[str, Path] = {}
      for key, item in index.items():
          if key not in configs_by_name:  # old config, ignore
              continue
          if configs_by_name[key].kind == ConfigElementType.FILE:
              it = Path(item)
              it.parent.mkdir(parents=True, exist_ok=True)
              correct_types[key] = it
          elif configs_by_name[key].kind == ConfigElementType.DIR:
              it = Path(item)
              it.mkdir(parents=True, exist_ok=True)
              correct_types[key] = it
          else:
              raise RuntimeError(
                  f"unhandled kind in ConfigElements: {key}: "
                  f"{configs_by_name[key].kind}")
      return correct_types
docs: Take the direct results of loading the config and make sure
      the filesystem reflects them.