protected function normalizeMetaData($path)
    {
        $meta = $this->client->getObjectMeta($this->bucket, $path);
        if (is_null($meta)) {
            return false;
        }

        return [
            'path'      => $path,
            'timestamp' => strtotime($meta[strtolower('Last-Modified')]),
            'dirname'   => Util::dirname($path),
            'mimetype'  => $meta[strtolower('Content-Type')],
            'size'      => $meta[strtolower('Content-Length')],
            'type'      => 'file',
        ];
    }