| Total Complexity | 64 |
| Dependencies | 15 |
| Dependents | 1 |
| Total lines | 542 |
| Lines of code | 371 |
| Logical lines of code | 165 |
| Comment lines | 101 |
| Methods | 2 |
| Properties | 3 |
| Method | Rating | Maintainability | Complexity | Lines of code |
|---|---|---|---|---|
| migrate_up_to_4420() | 58 | 344 | ||
| migrate_up_to_4421() | 51 | 6 | 27 |