| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 13 of 104 | 87% | 1 of 12 | 91% | 1 | 12 | 1 | 18 | 0 | 6 |
| checkLegalityBeforeTypeCoercion() | | 74% | | 87% | 1 | 5 | 1 | 6 | 0 | 1 |
| customSignature() | | 100% | | 100% | 0 | 3 | 0 | 6 | 0 | 1 |
| withChildren(List) | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 | |
| JsonObject(Expression[]) | | 100% | n/a | 0 | 1 | 0 | 2 | 0 | 1 | |
| accept(ExpressionVisitor, Object) | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 | |
| JsonObject(ScalarFunctionParams) | | 100% | n/a | 0 | 1 | 0 | 2 | 0 | 1 |