public static void registerXmlAttributeValueReferenceProvider(PsiReferenceRegistrar registrar,
                                                                @NonNls String @Nullable [] attributeNames,
                                                                @Nullable ElementFilter elementFilter,
                                                                boolean caseSensitive,
                                                                @NotNull PsiReferenceProvider provider) {
    registerXmlAttributeValueReferenceProvider(registrar, attributeNames, elementFilter, caseSensitive, provider,
                                               PsiReferenceRegistrar.DEFAULT_PRIORITY);
  }
public static void registerXmlAttributeValueReferenceProvider(PsiReferenceRegistrar registrar,
                                                                @NonNls String @Nullable [] attributeNames,
                                                                @Nullable ElementFilter elementFilter,
                                                                boolean caseSensitive,
                                                                @NotNull PsiReferenceProvider provider)