| GroupMaker.SelectorGroupMaker |  | 0% | | 0% | 15 | 15 | 31 | 31 | 5 | 5 | 1 | 1 |
| AggregationSpecification.Serializer |  | 2% | | 0% | 12 | 13 | 32 | 33 | 3 | 4 | 0 | 1 |
| GroupingState.Serializer | | 2% | | 0% | 11 | 12 | 25 | 26 | 3 | 4 | 0 | 1 |
| GroupMaker.PkPrefixGroupMaker | | 0% | | 0% | 7 | 7 | 14 | 14 | 3 | 3 | 1 | 1 |
| AggregationSpecification.new AggregationSpecification.Factory() {...} | | 0% | | n/a | 3 | 3 | 6 | 6 | 3 | 3 | 1 | 1 |
| GroupMaker | | 20% | | n/a | 5 | 7 | 5 | 7 | 5 | 7 | 0 | 1 |
| AggregationSpecification.AggregateByPkPrefix | | 0% | | n/a | 3 | 3 | 7 | 7 | 3 | 3 | 1 | 1 |
| AggregationSpecification.AggregateByPkPrefixWithSelector | | 0% | | n/a | 2 | 2 | 5 | 5 | 2 | 2 | 1 | 1 |
| AggregationSpecification | | 60% | | n/a | 3 | 8 | 2 | 10 | 3 | 8 | 0 | 1 |
| GroupingState | | 60% | | 0% | 4 | 6 | 3 | 9 | 3 | 5 | 0 | 1 |
| AggregationSpecification.Kind | | 100% | | n/a | 0 | 1 | 0 | 2 | 0 | 1 | 0 | 1 |
| GroupMaker.new GroupMaker() {...} | | 100% | | n/a | 0 | 3 | 0 | 3 | 0 | 3 | 0 | 1 |
| AggregationSpecification.new AggregationSpecification() {...} | | 100% | | n/a | 0 | 2 | 0 | 2 | 0 | 2 | 0 | 1 |
| AggregationSpecification.Factory | | 100% | | n/a | 0 | 1 | 0 | 1 | 0 | 1 | 0 | 1 |