code: def WriteEventMACBGroup(self, event_macb_group):
      
      output_values = self._GetOutputValues(event_macb_group[0])
  
      timestamp_descriptions = [
          event.timestamp_desc for event in event_macb_group]
      output_values[3] = (
          self._output_mediator.GetMACBRepresentationFromDescriptions(
              timestamp_descriptions))
      # TODO: fix timestamp description in source.
      output_values[6] = '; '.join(timestamp_descriptions)
  
      self._WriteOutputValues(output_values)
docs: Writes an event MACB group to the output.
  
      Args:
        event_macb_group (list[EventObject]): event MACB group.