Grouping of operations is done via ScoState. I think is done in the state as grouping might change at runtime and therefore not done in the description. Thus, I would suggest to add a note in the descriptor that grouping is possible in the state and add a note why it is actually not part of the descriptor.
Add note.
Diff:
@martinuro: Are You still convinced we need such a note?
[tCon 22.04.2024] This note is not needed. Otherwise we would have to write tons of such notes.