= Math.max(loVY, clientRect.top);
      const b = Math.min(hiVY, clientRect.bottom);
      if (a > b) return;

      this.addIntersectingEventsInRangeToSelectionInWorldSpace(
          loWX, hiWX, viewPixWidthWorld, selection);
    },

    addIntersectingEventsInRangeToSelectionInWorldSpace(
        loWX, hiWX, viewPixWidthWorld, selection) {
    },

    /**
     * Gets implemented by supporting track types. The method adds the event
     * closest to worldX to the selection.
     *
     * @param {number} w