private static List<LookupElement> processLabelReference(PsiLabelReference reference) {
    return ContainerUtil.map(reference.getVariants(), s -> TailTypeDecorator.withTail(LookupElementBuilder.create(s),
                                                                                      TailTypes.semicolonType()));
  }
private static List<LookupElement> processLabelReference(PsiLabelReference reference)