@NotNull
  private static String getNamePattern(@NotNull ChooseByNameModel model, @NotNull String pattern) {
    final String[] separators = model.getSeparators();
    int lastSeparatorOccurrence = 0;
    for (String separator : separators) {
      int idx = pattern.lastIndexOf(separator);
      if (idx == pattern.length() - 1) {  // avoid empty name
        idx = pattern.lastIndexOf(separator, idx - 1);
      }
      lastSeparatorOccurrence = Math.max(lastSeparatorOccurrence, idx == -1 ? idx : idx + separator.length());
    }

    return pattern.substring(lastSeparatorOccurrence);
  }
@NotNull
  private static String getNamePattern(@NotNull ChooseByNameModel model, @NotNull String pattern)