docs: public static JavaPairRDD<Long, List<List<Writable>>> restoreMapFileSequences(String path, JavaSparkContext sc) {
          Configuration c = new Configuration();
          c.set(FileInputFormat.INPUT_DIR, FilenameUtils.normalize(path, true));
          JavaPairRDD<LongWritable, SequenceRecordWritable> pairRDD = sc.newAPIHadoopRDD(c, SequenceFileInputFormat.class,
                          LongWritable.class, SequenceRecordWritable.class);
  
          return pairRDD.mapToPair(new SequenceRecordLoadPairFunction());
      }