@Nullable
  private String getPresentableVersion() {
    switch (myButtonEnumModel.getSelected()) {
      case DOWNLOAD -> {
        LibraryDownloadSettings settings = mySettings.getDownloadSettings();
        if (settings != null) {
          return settings.getVersion().getVersionNumber();
        }
      }
      case USE_LIBRARY -> {
        LibraryEditor item = myLibraryComboBoxModel.getSelectedItem();
        if (item instanceof ExistingLibraryEditor) {
          return item.getName();
        }
      }
      default -> {
        return null;
      }
    }
    return null;
  }
@Nullable
  private String getPresentableVersion()