protected function registerSystem()
    {
        $this->app->singleton(SystemContract::class, function (Container $app) {
            $config = $app['config'];
            $auth = $app['auth.driver'];

            return new System($config, $auth);
        });
    }
protected function registerSystem()
    {
        $this->app->singleton(SystemContract::class, function (Container $app) {
            $config = $app['config'];
            $auth = $app['auth.driver'];

            return new System($config, $auth);
        });
    }
protected function registerSystem ( ) { $ this -> app -> singleton ( SystemContract :: class , function ( Container $ app ) { $ config = $ app [ 'config' ] ; $ auth = $ app [ 'auth.driver' ] ; return new System ( $ config , $ auth ) ; } ) ; }
Register the system class.

@return void
Register the system class .