}
        }

        // On macOS, we assume co-located Xcode is installed into /opt/xcode and default location at /Applications/Xcode.app
        toolChains.addAll(findXcodes().stream().map(InstalledXcode::getSwiftc).filter(Optional::isPresent).map(Optional::get).collect(Collectors.toList()));

        List<File> swiftcCandidates = OperatingSystem.current().findAllInPath("swiftc");
        for (File candidate : swiftcCandidates) {