refact: ensure consistent placement of @Nullable annotation
#23
| Job | Run time |
|---|---|
| 2m 24s | |
| 1m 5s | |
| 51s | |
| 4m 20s |
@Nullable annotation
#23
| Job | Run time |
|---|---|
| 2m 24s | |
| 1m 5s | |
| 51s | |
| 4m 20s |