| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 57 of 92 | 38% | 10 of 12 | 16% | 8 | 11 | 13 | 22 | 2 | 5 |
| check(Model) | | 51% | | 33% | 3 | 4 | 6 | 13 | 0 | 1 |
| isSiftingAppender(Model) | | 0% | | 0% | 3 | 3 | 7 | 7 | 1 | 1 |
| lambda$check$0(Pair) | | 0% | | 0% | 2 | 2 | 1 | 1 | 1 | 1 |
| AppenderWithinAppenderSanityChecker() | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 | |
| static {...} | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 |