Nick Craig-Wood 487e4f09b3 combine: implement missing methods
Implement these missing methods:

- PublicLink
- PutUnchecked
- MergeDirs
- CleanUp
- OpenWriterAt

And declare these ones unimplementable:

- UnWrap
- WrapFs
- SetWrapper
- UserInfo
- Disconnect

Fixes #6999
2023-05-14 11:22:57 +01:00
..
2023-05-14 11:22:57 +01:00