code: def with_division(self, division):
          
          if division is None:
              division = ''
          division = slugify(division)
          self._validate_division(division)
          self.division = division
          return self
docs: Add a division segment
  
          Args:
              division (str): Official name of an electoral division.
  
          Returns:
              IdBuilder
  
          Raises:
              ValueError