code: protected void postProcessing() {
          if (argOptions.hasOption("saveIndexes")) {
              String filename = argOptions.getStringOption("saveIndexes");
              SerializableUtil.save(dri.getWordToVectorMap(),
                                    new File(filename + ".index"));
              SerializableUtil.save(dri.getPermutations(),
                                    new File(filename + ".permutation"));
          }
      }
docs: {@inheritDoc}