public CompletionSorterImpl withClassifier(@NotNull String anchorId,
                                             boolean beforeAnchor, ClassifierFactory<LookupElement> classifierFactory) {
    final int i = idIndex(anchorId);
    return enhanced(classifierFactory, beforeAnchor ? Math.max(0, i) : i + 1);
  }
public CompletionSorterImpl withClassifier(@NotNull String anchorId,
                                             boolean beforeAnchor, ClassifierFactory<LookupElement> classifierFactory)