flowCurrentChunkSize no documented

[dim0xff]

Hello!
As I see flowCurrentChunkSize is not documented, but is being sent to server.
Is it public param (could I use it to do some checks)? Or it is just for internal purposes?

Thanks

[AidasK]

It should be documented.
https://github.com/flowjs/flow.js/blob/master/src/flow.js#L1266

Feel free to use it.