docs: public Object getKlines(CurrencyPair currencyPair) throws IOException {
  
      Map<String, String> data = new HashMap<String, String>();
      data.put("symbol", currencyPair.toString());
  
      RestRequestParam parameters =
          RestApiRequestHandler.generateRequestParam(data, this.apiKey, this.secretKey);
  
      return coinsuper.getKlines(parameters);
    }