%attribute(sigrok::Analog, const sigrok::Unit *, unit, unit);
%attributevector(Analog, std::vector<const sigrok::QuantityFlag *>, mq_flags, mq_flags);
%attribute(sigrok::Analog, const sigrok::Unit *, unit, unit);
%attributevector(Analog, std::vector<const sigrok::QuantityFlag *>, mq_flags, mq_flags);