code: public MultiNormalizerHybrid restore(@NonNull InputStream stream) throws IOException {
          DataInputStream dis = new DataInputStream(stream);
  
          MultiNormalizerHybrid result = new MultiNormalizerHybrid();
          result.setInputStats(readStatsMap(dis));
          result.setOutputStats(readStatsMap(dis));
          result.setGlobalInputStrategy(readStrategy(dis));
          result.setGlobalOutputStrategy(readStrategy(dis));
          result.setPerInputStrategies(readStrategyMap(dis));
          result.setPerOutputStrategies(readStrategyMap(dis));
  
          return result;
      }
docs: Restore a MultiNormalizerHybrid that was previously serialized by this strategy
  
  @param stream the input stream to restore from
  @return the restored MultiNormalizerStandardize
  @throws IOException