docs: public OkCoinOrderResult getOrder(String symbol, Integer type, String... orderIds)
        throws IOException {
      if (orderIds == null || orderIds.length > 50) {
        throw new UnsupportedOperationException(
            "Can only get 1 to 50 orders. " + orderIds.length + " orders provided.");
      }
      String ids = Arrays.stream(orderIds).collect(Collectors.joining(","));
  
      return super.getOrder(symbol, type, ids);
    }