@Override
  public HFileBlockDecodingContext newDataBlockDecodingContext(Configuration conf,
    HFileContext meta) {
    return new HFileBlockDefaultDecodingContext(conf, meta);
  }
Cannot be instantiated. Use {@link #INSTANCE} instead.
hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/NoOpDataBlockEncoder.java