return submetrics;},sortByTotal_(a,b,chartName){if(a===AGGREGATE_KEY)return-1;if(b===AGGREGATE_KEY)return 1;let aValue=0;const aMap=this.groupedData_.get(a);if(aMap.get(this.orderedBenchmarks_[0])!==undefined){for(const metric of METRICS.get(chartName)){const aMetricMap=aMap.get(this.orderedBenchmarks_[0]).get(metric);const aStats=aMetricMap.get(STATISTICS_KEY);aValue+=aStats?aStats.mean:0;}}