docs: def preserve_order(self, value):
          """
          Setter method for **self.__preserve_order** attribute.
  
          :param value: Attribute value.
          :type value: bool
          """
  
          if value is not None:
              assert type(value) is bool, "'{0}' attribute: '{1}' type is not 'bool'!".format("preserve_order", value)
          self.__preserve_order = value