private function copyAuthFiles()
    {
        // models
        $source =  "{$this->appPath}Models{$this->ds}UserInvite.php";
        $this->copyFilesFromSource($source, app_path("Models"), 'namespace_views');

        // controllers
        $this->copyFilesFromSource($this->appPath . "Controllers{$this->ds}Auth",
            app_path("Http{$this->ds}Controllers{$this->ds}Auth"));

        // views
        $destination = base_path("resources{$this->ds}views{$this->ds}auth");
        $source = "{$this->basePath}resources{$this->ds}views{$this->ds}auth";
        $this->copyFilesFromSource($source, $destination);
    }