Sliding doors, etc., here we come! At least that's what I am expecting. Perhaps a precedent is what AF did with their business class, where it's similar to the non-doored version, but tastefully upgraded.

Less likely: BR swings for the fences and tries to compete with QR's Q-Suite or ANA's The Room.

Commenter notes they have signed with Safran. So maybe:

https://www.safran-group.com/product...ss-seat-optima
https://www.safran-group.com/product......-seat-fusio