code: def _GetDateTime(self, filetime):
      
      if filetime == 0:
        return dfdatetime_semantic_time.SemanticTime('Not set')
  
      return dfdatetime_filetime.Filetime(timestamp=filetime)
docs: Retrieves the date and time from a FILETIME timestamp.
  
      Args:
        filetime (int): FILETIME timestamp.
  
      Returns:
        dfdatetime.DateTimeValues: date and time.