refactor: fix return type covariance of FileCollection::getIterator()
#16025
| Job | Run time |
|---|---|
| 1m 16s | |
| 1m 39s | |
| 2m 55s |
FileCollection::getIterator()
#16025
| Job | Run time |
|---|---|
| 1m 16s | |
| 1m 39s | |
| 2m 55s |