code: public String getHeadings(int i) {
      if (DataTable_Type.featOkTst && ((DataTable_Type)jcasType).casFeat_headings == null)
        jcasType.jcas.throwFeatMissing("headings", "ch.epfl.bbp.uima.types.DataTable");
      jcasType.jcas.checkArrayBounds(jcasType.ll_cas.ll_getRefValue(addr, ((DataTable_Type)jcasType).casFeatCode_headings), i);
      return jcasType.ll_cas.ll_getStringArrayValue(jcasType.ll_cas.ll_getRefValue(addr, ((DataTable_Type)jcasType).casFeatCode_headings), i);}
docs: indexed getter for headings - gets an indexed value -
  @generated
  @param i index in the array to get
  @return value of the element at index i