getMetadata method

Implementation

@JSName('getMetadata')
Future<Metadata> getMetadata() {
  var completer = new Completer<Metadata>();
  _getMetadata(
    (value) {
      applyExtension('Metadata', value);
      completer.complete(value);
    },
    (error) {
      completer.completeError(error);
    },
  );
  return completer.future;
}