@NotNull
  private ComboBox<LineSeparator> createLineSeparatorComboBox() {
    ComboBox<LineSeparator> comboBox = new ComboBox<>(myLineSeparatorComboBoxModel);

    comboBox.setRenderer(SimpleListCellRenderer.create(message("combobox.crlf.none"), separator ->
      ApplicationBundle.message(switch (separator) {
        case LF -> "combobox.crlf.unix";
        case CRLF -> "combobox.crlf.windows";
        case CR -> "combobox.crlf.mac";
      })));

    return comboBox;
  }
@NotNull
  private ComboBox<LineSeparator> createLineSeparatorComboBox()