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