PsiReference @NotNull [] getDefaultReferences(@NotNull PsiReferenceService.Hints hints) {
    ProgressManager.checkCanceled();
    if (hints == PsiReferenceService.Hints.NO_HINTS) {
      return CachedValuesManager
        .getCachedValue(myTag, () -> Result.create(getReferencesImpl(PsiReferenceService.Hints.NO_HINTS),
                                                   PsiModificationTracker.MODIFICATION_COUNT,
                                                   externalResourceModificationTracker(myTag))).clone();
    }

    return getReferencesImpl(hints);
  }
PsiReference @NotNull [] getDefaultReferences(@NotNull PsiReferenceService.Hints hints)