code: def _ParseKeyWithPlugin(self, parser_mediator, registry_key, plugin):
      
      try:
        plugin.UpdateChainAndProcess(parser_mediator, registry_key)
      except (IOError, dfwinreg_errors.WinRegistryValueError) as exception:
        parser_mediator.ProduceExtractionWarning(
            'in key: {0:s} error: {1!s}'.format(registry_key.path, exception))
docs: Parses the Registry key with a specific plugin.
  
      Args:
        parser_mediator (ParserMediator): parser mediator.
        registry_key (dfwinreg.WinRegistryKey): Windwos Registry key.
        plugin (WindowsRegistryPlugin): Windows Registry plugin.