| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 218 of 218 | 0% | 38 of 38 | 0% | 23 | 23 | 54 | 54 | 4 | 4 |
| toString(Duration) | | 0% | | 0% | 20 | 20 | 48 | 48 | 1 | 1 |
| getModule() | | 0% | n/a | 1 | 1 | 3 | 3 | 1 | 1 | |
| serialize(Duration, JsonGenerator, SerializerProvider) | | 0% | n/a | 1 | 1 | 2 | 2 | 1 | 1 | |
| DurationSerializer() | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 |