| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 132 of 135 | 2% | 18 of 18 | 0% | 14 | 15 | 30 | 31 | 5 | 6 |
| merge(Map, Map) | | 0% | | 0% | 6 | 6 | 20 | 20 | 1 | 1 |
| mergeObjects(Object, Object) | | 0% | | 0% | 5 | 5 | 5 | 5 | 1 | 1 |
| appendLists(Object, Object) | | 0% | n/a | 1 | 1 | 3 | 3 | 1 | 1 | |
| mapCast(Object) | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| listCast(Object) | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| DefaultExtensionsMerger() | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 |