/** serializes SGObject parameters to Archive with Cereal
	 *
	 * @param ar Archive
	 */
	template <class Archive>
	void cereal_save(Archive& ar) const
	{
		ar(m_generic, m_hash);
		const std::set<std::string> parameter_names = this->parameter_names();
		ar(parameter_names.size());
		for (const auto& name: parameter_names)
		{
			BaseTag tag(name);
			AnyParameter parameter = this->get_parameter(tag);
			ar(name, parameter);
		}
	}

	/** loads SGObject parameters from Archive with Cereal
	 *
	 * @param ar Archive
	 */
	template <class Archive>
	void cereal_load(Archive& ar)
	{
		ar(m_generic, m_hash);
		size_t num_tags;
		ar(num_tags);
		for (auto i = 0; i < num_tags; ++i)
		{
			std::string name;
			AnyParameter parameter;
			ar(name, parameter);
			BaseTag tag(name);
			this->create_parameter(tag, parameter);
		}
	}