040000 tree 46920b04dcab040ceef1a68e3e20d44602bffa14	nnbd_opted_in
040000 tree c5beb32a7d3dd4e471d0d1c9846153152703aeec	nnbd_opted_out
040000 tree e630088ca73b62e7b11159e2537599af025a4a73	spawn_hybrid