art,fmpMarkerEvent,url){const navStartToFMPRange=tr.b.math.Range.fromExplicitRange(navigationStart.start,fmpMarkerEvent.start);const networkEvents=EventFinderUtils.getNetworkEventsInRange(rendererHelper.process,navStartToFMPRange);const timeToFirstMeaningfulPaint=navStartToFMPRange.duration;const breakdownTree=tr.metrics.sh.generateWallClockTimeBreakdownTree(rendererHelper.mainThread,networkEvents,navStartToFMPRange);samples.push({value:timeToFirstMeaningfulPaint,breakdownTree,diagnostics:{break...