code: public RelationMention getMentions(int i) {
      if (Relation_Type.featOkTst && ((Relation_Type)jcasType).casFeat_mentions == null)
        jcasType.jcas.throwFeatMissing("mentions", "de.julielab.jules.types.ace.Relation");
      jcasType.jcas.checkArrayBounds(jcasType.ll_cas.ll_getRefValue(addr, ((Relation_Type)jcasType).casFeatCode_mentions), i);
      return (RelationMention)(jcasType.ll_cas.ll_getFSForRef(jcasType.ll_cas.ll_getRefArrayValue(jcasType.ll_cas.ll_getRefValue(addr, ((Relation_Type)jcasType).casFeatCode_mentions), i)));}
docs: indexed getter for mentions - gets an indexed value -
  @generated
  @param i index in the array to get
  @return value of the element at index i