@Override
  public void encode(ExtendedCell cell, HFileBlockEncodingContext encodingCtx, DataOutputStream out)
    throws IOException {
    NoneEncodingState state = (NoneEncodingState) encodingCtx.getEncodingState();
    NoneEncoder encoder = state.encoder;
    int size = encoder.write(cell);
    state.postCellEncode(size, size);
  }
Cannot be instantiated. Use {@link #INSTANCE} instead.
hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/NoOpDataBlockEncoder.java