code: public Constituent getRef() {
      if (PTBConstituent_Type.featOkTst && ((PTBConstituent_Type)jcasType).casFeat_ref == null)
        jcasType.jcas.throwFeatMissing("ref", "de.julielab.jules.types.PTBConstituent");
      return (Constituent)(jcasType.ll_cas.ll_getFSForRef(jcasType.ll_cas.ll_getRefValue(addr, ((PTBConstituent_Type)jcasType).casFeatCode_ref)));}
docs: getter for ref - gets Th reference from the null constituent to the corresponding lexicalized constituent, O
  @generated
  @return value of the feature