| Class | Rating | Complexity | Lines of code |
|---|---|---|---|
| SUL\Admin | 126 | 546 | |
| SUL\Database | 41 | 203 | |
| SUL\API | 31 | 145 | |
| SUL\Entries_List_Table | 31 | 124 | |
| SUL\Invitees_List_Table | 23 | 100 | |
| SUL\Privacy | 11 | 108 | |
| SUL\Shortcodes | 8 | 38 | |
| SUL\Activation | 5 | 25 | |
| SUL\Export | 4 | 22 | |
| SUL\Menu | 1 | 10 | |
| SUL\Deactivation | 1 | 2 |