@Nullable
  private static List<String> wrapStringList(@Nullable List<?> list) {
    if (list == null) return null;
    // fix serialization issue if 's' is an instance of groovy.lang.GString [IDEA-125174]
    //noinspection SSBasedInspection
    return list.stream().map(x -> x.toString()).collect(Collectors.toList());
  }
@Nullable
  private static List<String> wrapStringList(@Nullable List<?> list)