code: public void setRef(TOP v) {
      if (ConceptMention_Type.featOkTst && ((ConceptMention_Type)jcasType).casFeat_ref == null)
        jcasType.jcas.throwFeatMissing("ref", "de.julielab.jules.types.ConceptMention");
      jcasType.ll_cas.ll_setRefValue(addr, ((ConceptMention_Type)jcasType).casFeatCode_ref, jcasType.ll_cas.ll_getFSRef(v));}
docs: setter for ref - sets The reference to the Concept, we use here the super type TOP in order to avoid the recursive dependencies between type systems
  @generated
  @param v value to set into the feature