private static @NotNull Collection<PsiMethod> removeChainedConstructors(@NotNull Collection<? extends PsiMethod> constructors) {
    final List<PsiMethod> result = new ArrayList<>(constructors);
    result.removeIf(constructor -> !JavaHighlightUtil.getChainedConstructors(constructor).isEmpty());
    return result;
  }
private static @NotNull Collection<PsiMethod> removeChainedConstructors(@NotNull Collection<? extends PsiMethod> constructors)