public function packageExists($namespace, $package)
    {
        $folder = $this->vendorFolder . $namespace;
        $folderExists = file_exists($folder);

        if (!$folderExists) {
            return false;
        }

        $packageFolder = $folder . '/' . $package;
        $packageFolderExists = file_exists($packageFolder);

        return $packageFolderExists;
    }