public String getId() {
    if (sentence_Type.featOkTst && ((sentence_Type)jcasType).casFeat_id == null)
      jcasType.jcas.throwFeatMissing("id", "Type.sentence");
    return jcasType.ll_cas.ll_getStringValue(addr, ((sentence_Type)jcasType).casFeatCode_id);}