| IonFactory |   | 38% | | 22% | 39 | 54 | 72 | 111 | 31 | 45 | 0 | 1 |
| IonObjectMapper | | 19% | | 0% | 30 | 33 | 56 | 67 | 28 | 31 | 0 | 1 |
| IonParser | | 75% | | 80% | 36 | 136 | 59 | 248 | 14 | 55 | 0 | 1 |
| IonFactoryBuilder | | 28% | | 7% | 17 | 27 | 30 | 49 | 10 | 20 | 0 | 1 |
| IonGenerator | | 58% | | 35% | 39 | 67 | 68 | 157 | 23 | 50 | 0 | 1 |
| IonObjectMapper.Builder | | 6% | | 0% | 12 | 13 | 20 | 23 | 6 | 7 | 0 | 1 |
| IonWriteContext | | 48% | | 27% | 11 | 16 | 10 | 23 | 2 | 7 | 0 | 1 |
| EnumAsIonSymbolSerializer | | 0% | | 0% | 6 | 6 | 13 | 13 | 4 | 4 | 1 | 1 |
| IonSymbolSerializer | | 0% | | 0% | 5 | 5 | 9 | 9 | 4 | 4 | 1 | 1 |
| IonTimestampDeserializers.IonTimestampSQLDateDeserializer | | 11% | | 0% | 3 | 4 | 5 | 6 | 1 | 2 | 0 | 1 |
| IonTimestampSerializers.IonTimestampSQLDateSerializer | | 16% | | 0% | 2 | 3 | 6 | 8 | 1 | 2 | 0 | 1 |
| EnumAsIonSymbolModule | | 0% | | n/a | 1 | 1 | 3 | 3 | 1 | 1 | 1 | 1 |
| IonTimestampSerializers.IonTimestampJavaDateSerializer | | 56% | | 50% | 1 | 3 | 3 | 8 | 0 | 2 | 0 | 1 |
| IonGenerator.Feature | | 86% | | 50% | 3 | 9 | 1 | 14 | 1 | 6 | 0 | 1 |
| PackageVersion | | 54% | | n/a | 2 | 3 | 2 | 3 | 2 | 3 | 0 | 1 |
| IonTimestampDeserializers | | 0% | | n/a | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| IonTimestampSerializers | | 0% | | n/a | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| IonParser.Feature | | 98% | | 66% | 2 | 9 | 0 | 14 | 0 | 6 | 0 | 1 |
| IonTimestampDeserializers.IonTimestampJavaDateDeserializer | | 100% | | 100% | 0 | 4 | 0 | 6 | 0 | 2 | 0 | 1 |