code: def parse_arguments(
          argv: Optional[Sequence[str]] = None) -> argparse.Namespace:
      
      parser = argparse.ArgumentParser(
          description='Git credential helper using pass as the data source.',
          formatter_class=argparse.ArgumentDefaultsHelpFormatter)
      parser.add_argument(
          '-m', '--mapping',
          type=argparse.FileType('r'),
          metavar='MAPPING_FILE',
          default=None,
          help='A mapping file to be used, specifying how hosts '
               'map to pass entries. Overrides the default mapping files from '
               'XDG config locations, usually: {config_file}'.format(
                   config_file=DEFAULT_CONFIG_FILE))
      parser.add_argument(
          '-l', '--logging',
          action='store_true',
          default=False,
          help='Print debug messages on stderr. '
               'Might include sensitive information')
      parser.add_argument(
          'action',
          type=str,
          metavar='ACTION',
          help='Action to preform as specified in the git credential API')
  
      args = parser.parse_args(argv)
  
      return args
docs: Parse the command line arguments.
  
      Args:
          argv:
              If not ``None``, use the provided command line arguments for
              parsing. Otherwise, extract them automatically.
  
      Returns:
          The argparse object representing the parsed arguments.