t.add('counter-track');},get counter(){return this.chart;},set counter(counter){this.heading=counter.name+': ';this.series=CounterTrack.buildChartSeriesFromCounter(counter);this.autoSetAllAxes({expandMax:true});},getModelEventFromItem(chartValue){return chartValue;}};CounterTrack.buildChartSeriesFromCounter=function(counter){const numSeries=counter.series.length;const totals=counter.totals;const seriesYAxis=new tr.ui.tracks.ChartSeriesYAxis(0,undefined);const chartSeries=counter.series.map(funct...