docs: def decode_file_args(self, argv: List[str]) -> List[str]:
          """
          Preprocess a configuration file.  The location of the configuration file is stored in the parser so that the
          FileOrURI action can add relative locations.
          :param argv: raw options list
          :return: options list with '--conf' references replaced with file contents
          """
          for i in range(0, len(argv) - 1):
              # TODO: take prefix into account
              if argv[i] == '--conf':
                  del argv[i]
                  conf_file = argv[i]
                  del (argv[i])
                  with open(conf_file) as config_file:
                      conf_args = shlex.split(config_file.read())
                      # We take advantage of a poential bug in the parser where you can say "foo -u 1 -u 2" and get
                      # 2 as a result
                      argv = self.fix_rel_paths(conf_args, conf_file) + argv
                  return self.decode_file_args(argv)
          return argv