class IpogNeg implements TestInputGroupGenerator {

    @Override
    public Collection<Supplier<TestInputGroup>> generate(TestModel model, Reporter reporter) {
        Preconditions.notNull(model);
        Preconditions.notNull(reporter);

        return model.getErrorTupleLists().stream()
                .map(errorTuples -> createGroupSupplier(errorTuples, model, factory, reporter))
                .collect(Collectors.toList());
    }

    public  IpogNeg(ConstraintCheckerFactory factory);

}