@Override
protected void saveHelper(List<T> val, IStorage s) {
GenericListStoreUnit<T> unit = new GenericListStoreUnit<T>(val, signature, io);
s.put(factName, unit);
}
@Override
@Nullable
protected IStoreUnit<List<T>> loadHelper(IStorage s) throws IOException {
return s.get(factName, new GenericListStoreUnit<T>(io));
}