`BKE_simulation_state_serialize.hh` is not necessary anymore, because the serialization is done at a lower level. The functionality that lived there in the past is now part of `BKE_bake_items_serialize.hh`.
`BKE_simulation_state_serialize.hh` is not necessary anymore, because the serialization is done at a lower level. The functionality that lived there in the past is now part of `BKE_bake_items_serialize.hh`.