| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 19 of 206 | 90% | 5 of 22 | 77% | 5 | 15 | 2 | 41 | 0 | 4 |
| requireLambda(String, Expression) | | 27% | | 50% | 1 | 2 | 1 | 3 | 0 | 1 |
| mergeNestedNullTypes(DataType, DataType) | | 98% | | 83% | 3 | 10 | 1 | 23 | 0 | 1 |
| extractMapExpression(Lambda) | | 96% | | 50% | 1 | 2 | 0 | 5 | 0 | 1 |
| rewrite(Lambda, MapLambdaFunctionUtils.EntryBodyBuilder) | | 100% | n/a | 0 | 1 | 0 | 10 | 0 | 1 |