of getRailStageIntervals_(model)) {
      yield {
        bounds: interval.bounds.findIntersection(chromeBounds),
        name: interval.name,
        description: interval.description,
        perSecond: interval.perSecond
      };
    }

    for (const interval of getLoadingIntervals_(model, chromeBounds)) {
      yield {
        bounds: interval.bounds.findIntersection(chromeBounds),
        name: interval.name,
        description: interval.description,
        perSecond: interval.perSecond
      };
   