laravel-smarty registerFilter in Controller

(laravel-smarty)SampleController.php

<?php
namespace App\Controllers;

class HomeController extends BaseController
{

    public function showWelcome()
    {
        \View::registerFilter('post', [$this, 'add_header_comment']);
        // または
        //$smarty = \View::getSmarty();
        //$smarty->registerFilter('post', [$this, 'add_header_comment']);
        return \View::make('hello');
    }

    /**
     * @param $tpl_source
     * @param $smarty
     * @return string
     */
    public function add_header_comment($tpl_source, $smarty)
    {
        return "<?php echo \"<!-- Created by Smarty! -->\n\"; ?>\n".$tpl_source;
    }
}

Its an error - Method Illuminate\View\Factory::getSmarty does not exist.