code: @Override
      @SuppressWarnings("unchecked")
      public void addFields(Document document, DecoratedKey partitionKey) {
          ByteBuffer bb = factory.toByteArray(partitionKey.getToken());
          String serialized = ByteBufferUtils.toString(bb);
          Field field = new StringField(FIELD_NAME, serialized, Store.YES);
          document.add(field);
      }
docs: {@inheritDoc}