public static @Unmodifiable @NotNull List<PsiReference> unwrapMultiReference(@NotNull PsiReference maybeMultiReference) {
    if (maybeMultiReference instanceof PsiMultiReference) {
      return List.of(((PsiMultiReference)maybeMultiReference).getReferences());
    }
    return List.of(maybeMultiReference);
  }
public static @Unmodifiable @NotNull List<PsiReference> unwrapMultiReference(@NotNull PsiReference maybeMultiReference)