docs: public List<OkCoinKline> getKlines(
        CurrencyPair currencyPair, OkCoinKlineType type, Integer size, Long timestamp)
        throws IOException {
      List<OkCoinKline> klineList = new ArrayList<>();
      List<Object[]> list =
          okCoin.getKlines(OkCoinAdapters.adaptSymbol(currencyPair), type.getType(), size, timestamp);
      list.stream().forEach(kline -> klineList.add(new OkCoinKline(kline)));
      return klineList;
    }