code: public Annotation getRef() {
      if (ArgumentMention_Type.featOkTst && ((ArgumentMention_Type)jcasType).casFeat_ref == null)
        jcasType.jcas.throwFeatMissing("ref", "de.julielab.jules.types.ArgumentMention");
      return (Annotation)(jcasType.ll_cas.ll_getFSForRef(jcasType.ll_cas.ll_getRefValue(addr, ((ArgumentMention_Type)jcasType).casFeatCode_ref)));}
docs: getter for ref - gets Reference to the Annotation Object that acts as a argument here
  @generated
  @return value of the feature