.isDatumFieldSeries_(seriesKey))return;const singleSeriesDatum={x};singleSeriesDatum[seriesKey]=multiSeriesDatum[seriesKey];dataBySeriesKey[seriesKey].push(singleSeriesDatum);},this);},this);return dataBySeriesKey;},getChartPointAtClientPoint_(clientPoint){const rect=this.getBoundingClientRect();return{x:clientPoint.x-rect.left-this.margin.left,y:clientPoint.y-rect.top-this.margin.top};},getDataPointAtChartPoint_(chartPoint){return{x:tr.b.math.clamp(this.xScale_.invert(chartPoint.x),this.xScale_...