code: def Parse(self, cmd, args, stdout, stderr, return_val, time_taken,
              knowledge_base):
      
      _ = stderr, time_taken, args, knowledge_base  # Unused.
      self.CheckReturn(cmd, return_val)
      result = rdf_protodict.AttributedDict()
      # The KeyValueParser generates an ordered dict by default. The sysctl vals
      # aren't ordering dependent, but there's no need to un-order it.
      for k, v in iteritems(self.lexer.ParseToOrderedDict(stdout)):
        key = k.replace(".", "_")
        if len(v) == 1:
          v = v[0]
        result[key] = v
      return [result]
docs: Parse the sysctl output.