484                            const std::string& interface, const std::string& instance) {  in toFQNameString()  argument
489         if (!instance.empty()) {  in toFQNameString()
490             ss << "/" << instance;  in toFQNameString()
497                            const std::string& interface, const std::string& instance) {  in toFQNameString()  argument
498     return toFQNameString(package, to_string(version), interface, instance);  in toFQNameString()
502                            const std::string& instance) {  in toFQNameString()  argument
503     return toFQNameString("", version, interface, instance);  in toFQNameString()
509                            const std::string& interface, const std::string& instance) {  in toFQNameString()  argument
510     return toFQNameString(package, to_string(range), interface, instance);  in toFQNameString()
514                            const std::string& instance) {  in toFQNameString()  argument
515     return toFQNameString("", range, interface, instance);  in toFQNameString()