ge so no need to reload directly.
        window.location.hash =
            '#' + selectEl.children[selectEl.selectedIndex].value;
      } else {
        onHashChange();
      }
    }).then(onLoadTimer.end());

    const trackDetailedModelStatsEl = tr.ui.b.createCheckBox(
        this, 'trackDetailedModelStats',
        'traceViewer.trackDetailedModelStats', false,
        'Detailed file size stats',
        onHashChange);
    trackDetailedModelStatsEl.id = 'track-detailed-model-stats';
    timelineViewEl.