             cols : []
             rows: []
             vals: []
+            dataClass: PivotData
             filter: -> true
             aggregator: aggregatorTemplates.count()()
             aggregatorName: "Count"

            hiddenAttributes: []
            menuLimit: 200
            cols: [], rows: [], vals: []
            exclusions: {}
            inclusions: {}
            unusedAttrsVertical: 85

                    rendererOptions: opts.rendererOptions
                    sorters: opts.sorters
                    cols: [], rows: []
                    dataClass: opts.dataClass

                numInputsToProcess = opts.aggregators[aggregator.val()]([])().numInputs ? 0
                vals = []
