PropertyLoader(C &m, Collection &c): DerivedObjectLoader<Material, Loader>(m, c) { }
void add_property(const std::string &, void (C::*)(float), void (C::*)(const Texture *));
PropertyLoader(C &m, Collection &c): DerivedObjectLoader<Material, Loader>(m, c) { }
void add_property(const std::string &, void (C::*)(float), void (C::*)(const Texture *));