public <K> boolean processAllKeys(@NotNull StubIndexKey<K, ?> indexKey, @NotNull Processor<? super K> processor,
                                    @NotNull GlobalSearchScope scope, @Nullable IdFilter idFilter) {
    return processAllKeys(indexKey, Objects.requireNonNull(scope.getProject()), processor);
  }
public <K> boolean processAllKeys(@NotNull StubIndexKey<K, ?> indexKey, @NotNull Processor<? super K> processor,
                                    @NotNull GlobalSearchScope scope, @Nullable IdFilter idFilter)