| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 2 of 41 | 95% | 2 of 4 | 50% | 2 | 4 | 0 | 10 | 0 | 2 |
| close() | | 93% | | 50% | 2 | 3 | 0 | 7 | 0 | 1 |
| ExternalCatalog.ConstraintMetadataMutationGuard(ExternalCatalog, Lock) | | 100% | n/a | 0 | 1 | 0 | 3 | 0 | 1 |