code: def transform_case(self, description, case_type):
          
          if case_type == CasingTypeEnum.Sentence:
              description = "{}{}".format(
                  description[0].upper(),
                  description[1:])
          elif case_type == CasingTypeEnum.Title:
              description = description.title()
          else:
              description = description.lower()
          return description
docs: Transforms the case of the expression description, based on options
          Args:
              description: The description to transform
              case_type: The casing type that controls the output casing
              second_expression: Seconds part
          Returns:
              The transformed description with proper casing