- 0, /* size */
- NULL, /* rank_to_index_map */
- NULL, /* index_to_rank_map */
- 1, /* refcount: start > 0 so that this group never gets freed */
+ 0, /* size */
+ NULL, /* rank_to_index_map */
+ NULL, /* index_to_rank_map */
+ 1, /* refcount: start > 0 so that this group never gets freed */