Note that `BKE_library.h`/`library.c` were renamed to `BKE_lib_id.h`/`lib_id.c` to avoid having a too generic name here. Part of T72604.
Note that `BKE_library.h`/`library.c` were renamed to `BKE_lib_id.h`/`lib_id.c` to avoid having a too generic name here. Part of T72604.