protected function translations(array $files = array())
    {
        $return = [];
        foreach ($files as $file) {
            $translation = $this->getStringsBetween($file->getContents(), 'trans(\'', "')");
            $translation = array_filter($translation, function($element) {
                if (str_contains($element, ', {')) {
                    return false;
                }
                return $element;
            });
            $translationWithParams = $this->getStringsBetween($file->getContents(), 'trans(\'', "', {");
            $translation           = array_merge($translation, $translationWithParams);
            $return                = array_merge($return, $translation);
        }
        return $return;
    }