subscribe method
Subscribes to changes of files and folders.
Implementation
Future<DriveChannel> subscribe(FilesRequest request) async {
return DriveChannel.fromJson(
await _channel.invokeMethod('Files#Subscribe', <dynamic, dynamic>{
'request': request.toJson(),
'channel': request.channel?.toJson(),
'extraParams': request.channel?.paramsToSet,
}),
);
}