stat method
Implementation
Future<FileMetadata> stat(String path) async {
final response = await _files._send(http.Request('HEAD', await _files._url(target, path)));
await response.stream.drain<void>();
return FileMetadata(
path: path,
size: int.parse(response.headers['content-length'] ?? '0'),
isFolder: response.headers['x-meshagent-is-folder'] == 'true',
contentType: response.headers['content-type'],
etag: response.headers['etag'],
lastModified: response.headers['last-modified'],
);
}