public AggregationMethod Make(MethodResolutionService methodResolutionService, int agentInstanceId, int groupId, int aggregationId) { AggregationMethod method = methodResolutionService.MakeMedianAggregator(agentInstanceId, groupId, aggregationId, _parent.HasFilter); if (!_parent.IsDistinct) { return(method); } return(methodResolutionService.MakeDistinctAggregator(agentInstanceId, groupId, aggregationId, method, _aggregatedValueType, _parent.HasFilter)); }