docs: def native(self, value, context=None):
  		"""Convert the given string into a list of substrings."""
  		
  		separator = self.separator.strip() if self.strip and hasattr(self.separator, 'strip') else self.separator
  		value = super().native(value, context)
  		
  		if value is None:
  			return self.cast()
  		
  		if hasattr(value, 'split'):
  			value = value.split(separator)
  		
  		value = self._clean(value)
  		
  		try:
  			return self.cast(value) if self.cast else value
  		except Exception as e:
  			raise Concern("{0} caught, failed to perform array transform: {1}", e.__class__.__name__, str(e))