| ObservationMatcherOp |   | 27% | | 0% | 24 | 25 | 48 | 50 | 3 | 4 | 0 | 1 |
| SeriesTypeFieldMatcher | | 18% | | 0% | 17 | 20 | 27 | 32 | 7 | 10 | 0 | 1 |
| AbstractObservationFieldMatcher | | 48% | | 50% | 8 | 12 | 11 | 26 | 4 | 6 | 0 | 1 |
| PhaseFieldMatcher | | 10% | | 0% | 9 | 11 | 17 | 20 | 6 | 8 | 0 | 1 |
| TransformedFieldMatcher | | 9% | | 0% | 7 | 9 | 14 | 17 | 5 | 7 | 0 | 1 |
| BooleanFieldMatcher | | 28% | | 0% | 7 | 9 | 10 | 13 | 3 | 5 | 0 | 1 |
| ErrorFieldMatcher | | 13% | | n/a | 5 | 7 | 12 | 15 | 5 | 7 | 0 | 1 |
| StringFieldMatcher | | 62% | | 25% | 9 | 13 | 8 | 20 | 2 | 6 | 0 | 1 |
| MagnitudeFieldMatcher | | 38% | | n/a | 3 | 7 | 8 | 14 | 3 | 7 | 0 | 1 |
| ObjectNameFieldMatcher | | 20% | | n/a | 5 | 7 | 6 | 9 | 5 | 7 | 0 | 1 |
| DoubleFieldMatcher | | 87% | | 57% | 8 | 18 | 3 | 23 | 1 | 6 | 0 | 1 |
| ObsCodeFieldMatcher | | 70% | | n/a | 3 | 8 | 3 | 10 | 3 | 8 | 0 | 1 |
| JDFieldMatcher | | 80% | | n/a | 2 | 7 | 3 | 14 | 2 | 7 | 0 | 1 |
| ObservationFilter | | 99% | | 80% | 2 | 12 | 1 | 46 | 0 | 7 | 0 | 1 |
| SeriesTypeFieldMatcher.Kind | | 100% | | n/a | 0 | 2 | 0 | 3 | 0 | 2 | 0 | 1 |