const std::string &get_group() const { return group; }
const std::string &get_qualifier() const { return qualifier; }
unsigned get_number() const { return number; }
void save(std::list<Msp::DataFile::Statement> &) const;
const std::string &get_group() const { return group; }
const std::string &get_qualifier() const { return qualifier; }
unsigned get_number() const { return number; }
void save(std::list<Msp::DataFile::Statement> &) const;