Bson-serializable dict representation of the VoronoiContainer.
        :return: dictionary that is BSON-encodable

def as_dict(self):
        """
        Bson-serializable dict representation of the VoronoiContainer.
        :return: dictionary that is BSON-encodable
        """
        bson_nb_voro_list2 = self.to_bson_voronoi_list2()
        return {"@module": self.__class__.__module__,
                "@class": self.__class__.__name__,
                "bson_nb_voro_list2": bson_nb_voro_list2,
                # "neighbors_lists": self.neighbors_lists,
                "structure": self.structure.as_dict(),
                "normalized_angle_tolerance": self.normalized_angle_tolerance,
                "normalized_distance_tolerance": self.normalized_distance_tolerance,
                "additional_conditions": self.additional_conditions,
                "valences": self.valences,
                "maximum_distance_factor": self.maximum_distance_factor,
                "minimum_angle_factor": self.minimum_angle_factor}