| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 88 of 106 | 16% | 15 of 16 | 6% | 12 | 14 | 24 | 31 | 1 | 3 |
| serialize(Object, JsonGenerator, SerializationContext) | | 13% | | 8% | 9 | 10 | 20 | 24 | 0 | 1 |
| _localeToKey(Locale) | | 0% | | 0% | 3 | 3 | 4 | 4 | 1 | 1 |
| JDKKeySerializers.Default(int, Class) | | 100% | n/a | 0 | 1 | 0 | 3 | 0 | 1 |