protected function normalizePath($value)
    {
        // array of paths = recursive
        if (is_array($value)) {
            foreach ($value as $i => $val) {
                $value[$i] = $this->normalizePath($val);
            }

            return $value;
        }

        $converter = new PathConverter(dirname($this->config['config_path']), $this->config['path']);

        return $converter->convert($value);
    }