service = getProject().getExtensions().getByType(VagrantMachine.class);
    }

    @Input
    protected abstract List<String> getWindowsScript();

    @Input
    protected abstract List<String> getLinuxScript();

    @Input
    public UnaryOperator<String> getProgressHandler() {
        return progressHandler;
    }

    public void setProgressHandler(UnaryOperator<String> progressHandler) {

        this.extraArgs.add(arg);
    }

    @Override
    protected List<String> getWindowsScript() {
        return getScript(true);
    }

    @Override
    protected List<String> getLinuxScript() {
        return getScript(false);
    }

    private List<String> getScript(boolean isWindows) {
        String cacheDir = getProject().getBuildDir() + "/gradle-cache";