@Override
  protected @Nullable String getEmptySelectionString() {
    final String typeNames = StringUtil.join(getDisplayedServerTypes(),
                                             ServerType::getPresentableName, ", ");

    if (typeNames.length() > 0) {
      return CloudBundle.message("clouds.configure.empty.selection.string", typeNames);
    }
    return null;
  }
@Override
  protected @Nullable String getEmptySelectionString()