protected void loadReferenceModel(DFPropFileModel master) {
   for (DFPropModel topEntry : master.getChild()) {
     if (topEntry instanceof MapModel) {
       for (DFPropModel entry : topEntry.getChild()) {
         if (entry instanceof MapEntryModel
             && "$$split$$".equals(((MapEntryModel) entry).getNameText())) {
           replaceToReference((MapEntryModel) entry);
         }
       }
     }
   }
 }