docs: public static It<Object> findVis(VisualizerContext context, Object start) {
      if(start instanceof Result) { // In first hierarchy.
        It<Result> it1 = context.getHierarchy().iterDescendantsSelf((Result) start);
        return new StackedIter<>(it1, context.getVisHierarchy());
      }
      return context.getVisHierarchy().iterDescendantsSelf(start);
    }