void set_resource_location(Resource &, DataFile::Collection &, const std::string &);
void set_resource_location(Resource &, const ResourceLocation &);
const ResourceLocation *get_resource_location(const Resource &) const;
void set_resource_location(Resource &, DataFile::Collection &, const std::string &);
void set_resource_location(Resource &, const ResourceLocation &);
const ResourceLocation *get_resource_location(const Resource &) const;