docs: def _take_values(self, item: Parameterized) -> DictBasicType:
          """Uses super()._take_values() method and removes autoflow cache in-place.
  
          :param item: GPflow parameterized object.
          :return: dictionary snapshot of the parameter object."""
  
          values = super()._take_values(item)
          values = {k: v for k, v in values.items() if not k.startswith(AutoFlow.__autoflow_prefix__)}
          return values