private function addComposerVendorFiles(Phar $phar)
    {
        $vendorPath = __DIR__.'/../../vendor/';

        $this
            ->addFile($phar, new \SplFileInfo($vendorPath.'autoload.php'))
            ->addFile($phar, new \SplFileInfo($vendorPath.'composer/autoload_namespaces.php'))
            ->addFile($phar, new \SplFileInfo($vendorPath.'composer/autoload_psr4.php'))
            ->addFile($phar, new \SplFileInfo($vendorPath.'composer/autoload_classmap.php'))
            ->addFile($phar, new \SplFileInfo($vendorPath.'composer/autoload_real.php'))
            ->addFile($phar, new \SplFileInfo($vendorPath.'composer/autoload_static.php'))
            ->addFile($phar, new \SplFileInfo($vendorPath.'composer/ClassLoader.php'));

        return $this;
    }