@Override
  protected @Nullable TypeHierarchyBrowserBase getHierarchyBrowser(@NotNull DataContext dataContext) {
    return ObjectUtils.tryCast(super.getHierarchyBrowser(dataContext), TypeHierarchyBrowserBase.class);
  }
@Override
  protected @Nullable TypeHierarchyBrowserBase getHierarchyBrowser(@NotNull DataContext dataContext)