docs: def add_output_path(path: str = None) -> str:
      """
      Adds the specified path to the output logging paths if it is not
      already in the listed paths.
  
      :param path:
          The path to add to the logging output paths. If the path is empty
          or no path is given, the current working directory will be used
          instead.
      """
      cleaned = paths.clean(path or os.getcwd())
      if cleaned not in _logging_paths:
          _logging_paths.append(cleaned)
      return cleaned