| GroupMaker.SelectorGroupMaker |  | 0% | | 0% | 15 | 15 | 31 | 31 | 5 | 5 | 1 | 1 |
| AggregationSpecification.Serializer |  | 42% | | 25% | 9 | 13 | 19 | 33 | 0 | 4 | 0 | 1 |
| GroupingState.Serializer | | 30% | | 31% | 8 | 12 | 15 | 26 | 0 | 4 | 0 | 1 |
| GroupMaker | | 37% | | n/a | 4 | 7 | 4 | 7 | 4 | 7 | 0 | 1 |
| AggregationSpecification.AggregateByPkPrefixWithSelector | | 0% | | n/a | 2 | 2 | 5 | 5 | 2 | 2 | 1 | 1 |
| AggregationSpecification | | 77% | | n/a | 2 | 8 | 1 | 10 | 2 | 8 | 0 | 1 |
| GroupingState | | 84% | | 50% | 2 | 6 | 1 | 9 | 1 | 5 | 0 | 1 |
| GroupMaker.new GroupMaker() {...} | | 42% | | n/a | 2 | 3 | 2 | 3 | 2 | 3 | 0 | 1 |
| GroupMaker.PkPrefixGroupMaker | | 96% | | 75% | 2 | 7 | 0 | 14 | 0 | 3 | 0 | 1 |
| AggregationSpecification.new AggregationSpecification() {...} | | 66% | | n/a | 1 | 2 | 1 | 2 | 1 | 2 | 0 | 1 |
| AggregationSpecification.Factory | | 0% | | n/a | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| AggregationSpecification.Kind | | 100% | | n/a | 0 | 1 | 0 | 2 | 0 | 1 | 0 | 1 |
| AggregationSpecification.AggregateByPkPrefix | | 100% | | n/a | 0 | 3 | 0 | 7 | 0 | 3 | 0 | 1 |