this.systemProperties = systemProperties;
        this.environment = environment;
        this.autoDetectEnabled = true;
        this.downloadEnabled = true;
        this.intellijInstallationDirectory = defaultJdksDirectory(os);
        this.javaInstallationsFromEnvironment = Collections.emptyList();
        this.installationsFromPaths = Collections.emptyList();
    }

    @Override

    }

    @Override
    public void setIntelliJdkDirectory(File intellijInstallationDirectory) {
        throw new UnsupportedOperationException();
    }

    private File defaultJdksDirectory(OperatingSystem os) {
        if (os.isMacOsX()) {