// std::map < std::string/*xml ref*/, int/*dummy*/ > formats;
// std::map < std::string/*xml ref*/, int/*dummy*/ > vendors;
// std::map < std::string/*xml ref*/, int/*dummy*/ > avps;
// std::map < std::string/*xml ref*/, int/*dummy*/ > formats;
// std::map < std::string/*xml ref*/, int/*dummy*/ > vendors;
// std::map < std::string/*xml ref*/, int/*dummy*/ > avps;