docs: def ParseSudoersEntry(self, entry, sudoers_config):
      """Parse an entry and add it to the given SudoersConfig rdfvalue."""
  
      key = entry[0]
      if key in SudoersFieldParser.ALIAS_TYPES:
        # Alias.
        alias_entry = rdf_config_file.SudoersAlias(
            type=SudoersFieldParser.ALIAS_TYPES.get(key), name=entry[1])
  
        # Members of this alias, comma-separated.
        members, _ = self._ExtractList(entry[2:], ignores=(",", "="))
        field = SudoersFieldParser.ALIAS_FIELDS.get(key)
        getattr(alias_entry, field).Extend(members)
  
        sudoers_config.aliases.append(alias_entry)
      elif key.startswith(SudoersFieldParser.DEFAULTS_KEY):
        # Default.
        # Identify scope if one exists (Defaults<scope> ...)
        scope = None
        if len(key) > len(SudoersFieldParser.DEFAULTS_KEY):
          scope = key[len(SudoersFieldParser.DEFAULTS_KEY) + 1:]
  
        # There can be multiple defaults on a line, for the one scope.
        entry = entry[1:]
        defaults, _ = self._ExtractList(entry)
        for default in defaults:
          default_entry = rdf_config_file.SudoersDefault(scope=scope)
  
          # Extract key name and value(s).
          default_name = default
          value = []
          if "=" in default_name:
            default_name, remainder = default_name.split("=", 1)
            value = [remainder]
          default_entry.name = default_name
          if entry:
            default_entry.value = " ".join(value)
  
          sudoers_config.defaults.append(default_entry)
      elif key in SudoersFieldParser.INCLUDE_KEYS:
        # TODO(user): make #includedir more obvious in the RDFValue somewhere
        target = " ".join(entry[1:])
        sudoers_config.includes.append(target)
      else:
        users, entry = self._ExtractList(entry)
        hosts, entry = self._ExtractList(entry, terminators=("=",))
  
        # Remove = from <user> <host> = <specs>
        if entry[0] == "=":
          entry = entry[1:]
  
        # Command specification.
        sudoers_entry = rdf_config_file.SudoersEntry(
            users=users, hosts=hosts, cmdspec=entry)
  
        sudoers_config.entries.append(sudoers_entry)