@Override
    protected boolean looksTheSameAs(@NotNull LineMarkerGutterIconRenderer<?> renderer) {
      if (!(renderer instanceof RelatedItemLineMarkerGutterIconRenderer) || !super.looksTheSameAs(renderer)) {
        return false;
      }

      final RelatedItemLineMarkerInfo<?> markerInfo = (RelatedItemLineMarkerInfo<?>)getLineMarkerInfo();
      final RelatedItemLineMarkerInfo<?> otherInfo = (RelatedItemLineMarkerInfo<?>)renderer.getLineMarkerInfo();
      return markerInfo.myTargets.equals(otherInfo.myTargets);
    }
@Override
    protected boolean looksTheSameAs(@NotNull LineMarkerGutterIconRenderer<?> renderer)