public int getCategories(int addr) {
        if (featOkTst && casFeat_categories == null)
      jcas.throwFeatMissing("categories", "de.julielab.jules.types.wikipedia.Descriptor");
    return ll_cas.ll_getRefValue(addr, casFeatCode_categories);
  }
public int getCategories ( int addr ) { if ( featOkTst && casFeat_categories == null ) jcas . throwFeatMissing ( "categories" , "de.julielab.jules.types.wikipedia.Descriptor" ) ; return ll_cas . ll_getRefValue ( addr , casFeatCode_categories ) ; }
@generated
@param addr low level Feature Structure reference
@return the feature value