public function fetch($name, $default = '')
    {
        $viewblock = '';
        $viewblocks = $this->get('viewblocks', []);
        if (!empty($viewblocks[$name])) {
            $viewblock = $this->_createViewblock($viewblocks[$name]);
        }

        $internal = $this->Blocks->get($name, $default);

        return $internal . $viewblock;
    }