| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 36 of 174 | 79% | 6 of 18 | 66% | 5 | 15 | 7 | 31 | 0 | 6 |
| customSignature() | | 66% | | 50% | 3 | 5 | 6 | 19 | 0 | 1 |
| nullable() | | 89% | | 75% | 1 | 3 | 1 | 5 | 0 | 1 |
| withChildren(List) | | 96% | | 50% | 1 | 2 | 0 | 3 | 0 | 1 |
| Coalesce(Expression, Expression[]) | | 100% | n/a | 0 | 1 | 0 | 2 | 0 | 1 | |
| lambda$customSignature$0(Expression) | | 100% | | 100% | 0 | 3 | 0 | 1 | 0 | 1 |
| accept(ExpressionVisitor, Object) | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 |