code: public Token getHead() {
      if (DependencyRelation_Type.featOkTst && ((DependencyRelation_Type)jcasType).casFeat_head == null)
        jcasType.jcas.throwFeatMissing("head", "de.julielab.jules.types.DependencyRelation");
      return (Token)(jcasType.ll_cas.ll_getFSForRef(jcasType.ll_cas.ll_getRefValue(addr, ((DependencyRelation_Type)jcasType).casFeatCode_head)));}
docs: getter for head - gets Head (Token) of the analyzed dependency relation, C
  @generated
  @return value of the feature