public function getProgressBarFormat($format)
    {
        return $this->displayBelow(function () use (&$format) {
            $tree = $this->getTree().$this->getFork();

            $format = explode(PHP_EOL, $format);
            $format = $tree.implode(PHP_EOL.$tree.' ', $format);

            return $format;
        }, 2);
    }