A different version of class was executed at runtime.
| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 14 of 14 | 0% | 0 of 0 | n/a | 4 | 4 | 5 | 5 | 4 | 4 |
| immutable() | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| IonSystemBuilder.Mutable(IonSystemBuilder) | | 0% | n/a | 1 | 1 | 2 | 2 | 1 | 1 | |
| mutable() | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| mutationCheck() | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 |