code: def ExtractEvents(self, parser_mediator, registry_key, **kwargs):
      
      values_dict = {}
  
      service_type_value = registry_key.GetValueByName('Type')
      service_start_value = registry_key.GetValueByName('Start')
  
      # Grab the ServiceDLL value if it exists.
      if service_type_value and service_start_value:
        service_dll = self.GetServiceDll(registry_key)
        if service_dll:
          values_dict['ServiceDll'] = service_dll
  
        # Gather all the other string and integer values and insert as they are.
        for value in registry_key.GetValues():
          if not value.name:
            continue
          if value.name not in values_dict:
            if value.DataIsString() or value.DataIsInteger():
              values_dict[value.name] = value.GetDataAsObject()
            elif value.DataIsMultiString():
              values_dict[value.name] = ', '.join(value.GetDataAsObject())
  
        # Create a specific service event, so that we can recognize and expand
        # certain values when we're outputting the event.
        event_data = windows_events.WindowsRegistryServiceEventData()
        event_data.key_path = registry_key.path
        event_data.offset = registry_key.offset
        event_data.regvalue = values_dict
        event_data.urls = self.URLS
  
        event = time_events.DateTimeValuesEvent(
            registry_key.last_written_time, definitions.TIME_DESCRIPTION_WRITTEN)
        parser_mediator.ProduceEventWithEventData(event, event_data)
docs: Extracts events from a Windows Registry key.
  
      Args:
        parser_mediator (ParserMediator): mediates interactions between parsers
            and other components, such as storage and dfvfs.
        registry_key (dfwinreg.WinRegistryKey): Windows Registry key.