| Name | Lines of code | Maintainability | Test coverage |
| src/Type/LocalObjectType.php | 88 | A 25 mins | |
| src/Type/MoneyType.php | 36 | A 0 mins | |
| src/Type/Types.php | 8 | A 0 mins | |
| src/Util/DeepCopy.php | 158 | C 1 day | |
| src/Util/DeepCopyException.php | 13 | A 0 mins | |
| src/ValidationException.php | 22 | A 0 mins |