static KiePMMLFieldRef getKiePMMLFieldRef(final FieldRef fieldRef) {
        return new KiePMMLFieldRef(fieldRef.getField(),
                                   KiePMMLExtensionInstanceFactory.getKiePMMLExtensions(fieldRef.getExtensions()),
                                   fieldRef.getMapMissingTo());
    }
@Test
    void getKiePMMLFieldRef() {
        FieldRef toConvert = getRandomFieldRef();
        KiePMMLFieldRef retrieved = KiePMMLFieldRefInstanceFactory.getKiePMMLFieldRef(toConvert);
        commonVerifyKiePMMLFieldRef(retrieved, toConvert);
    }