add("track", static_cast<void (Loader::*)(ArticleNumber)>(&Loader::track));
add("train", static_cast<void (Loader::*)(ArticleNumber, unsigned, const std::string &)>(&Loader::train));
add("turnout", &Loader::turnout);
add("track", static_cast<void (Loader::*)(ArticleNumber)>(&Loader::track));
add("train", static_cast<void (Loader::*)(ArticleNumber, unsigned, const std::string &)>(&Loader::train));
add("turnout", &Loader::turnout);