code: def as_dict(self):
          
          return {"@module": self.__class__.__module__,
                  "@class": self.__class__.__name__,
                  "distance_cutoff": float(self._distance_cutoff),
                  "angle_cutoff": float(self._angle_cutoff),
                  "additional_condition": int(self._additional_condition),
                  "continuous_symmetry_measure_cutoff": float(self._continuous_symmetry_measure_cutoff),
                  "symmetry_measure_type": self._symmetry_measure_type}
docs: Bson-serializable dict representation of the SimplestChemenvStrategy object.
          :return: Bson-serializable dict representation of the SimplestChemenvStrategy object.