pdateBounds(){this.totals=[];this.maxTotal=0;this.bounds.reset();if(this.series_.length===0)return;const firstSeries=this.series_[0];const lastSeries=this.series_[this.series_.length-1];this.bounds.addValue(firstSeries.getTimestamp(0));this.bounds.addValue(lastSeries.getTimestamp(lastSeries.length-1));const numSeries=this.numSeries;this.maxTotal=-Infinity;for(let i=0;i<firstSeries.length;++i){let total=0;this.series_.forEach(function(series){total+=series.getSample(i).value;this.totals.push(tota...