| Name | Lines of code | Maintainability | Test coverage |
| src/Util/NumberUtil.php | 13 | A 0 mins | |
| src/Util/SlugUtil.php | 126 | F 6 days | |
| src/Util/StringUtil.php | 149 | C 1 day | |
| src/Util/URLUtil.php | 311 | A 3 hrs | |
| src/WellKnown/DatedSlugIdentifier.php | 48 | A 0 mins | |
| src/WellKnown/DynamicField.php | 126 | A 0 mins | |
| src/WellKnown/GeneratesIdentifier.php | 7 | A 0 mins | |
| src/WellKnown/GeoPoint.php | 56 | A 0 mins | |
| src/WellKnown/Identifier.php | 10 | A 0 mins | |
| src/WellKnown/MessageRef.php | 101 | A 0 mins | |
| src/WellKnown/Microtime.php | 94 | A 0 mins | |
| src/WellKnown/NodeRef.php | 101 | A 0 mins | |
| src/WellKnown/SlugIdentifier.php | 42 | A 0 mins | |
| src/WellKnown/StringIdentifier.php | 35 | A 0 mins | |
| src/WellKnown/TimeUuidIdentifier.php | 24 | A 0 mins | |
| src/WellKnown/UuidIdentifier.php | 41 | A 0 mins |