| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 101 of 101 | 0% | 12 of 12 | 0% | 10 | 10 | 22 | 22 | 4 | 4 |
| writeExtension(Object) | | 0% | | 0% | 5 | 5 | 12 | 12 | 1 | 1 |
| write(ExtensionHolder) | | 0% | | 0% | 3 | 3 | 6 | 6 | 1 | 1 |
| UuidWriterImpl(UuidVector) | | 0% | n/a | 1 | 1 | 2 | 2 | 1 | 1 | |
| writeExtension(Object, ArrowType) | | 0% | n/a | 1 | 1 | 2 | 2 | 1 | 1 |