public List<VFSInitException> problemsDuringLoad(@NotNull VFSInitException.ErrorCategory firstCategory,
                                                   VFSInitException.ErrorCategory @NotNull ... restCategories) {
    EnumSet<VFSInitException.ErrorCategory> categories = EnumSet.of(firstCategory, restCategories);
    return problemsDuringLoad.stream()
      .filter(p -> categories.contains(p.category()))
      .toList();
  }
public List<VFSInitException> problemsDuringLoad(@NotNull VFSInitException.ErrorCategory firstCategory,
                                                   VFSInitException.ErrorCategory @NotNull ... restCategories)