public function render(): string
    {
        $string = str_repeat('#', intval($this->attributes['header'])) . ' ';
        if ($this->hasChildren() === true) {

            foreach ($this->children() as $child) {
                $string .= $child->render();
            }
        }
        $string .= "{$this->escape($this->insert)}";

        return $string;



        /*return str_repeat('#', intval($this->attributes['header'])) .
            " {$this->escape($this->insert)}";*/
    }