code: public static BitfinexCandlestickSymbol candlesticks(final String currency, final String profitCurrency, 
      		final BitfinexCandleTimeFrame timeframe) {
      	
          final String currencyNonNull = Objects.requireNonNull(currency).toUpperCase();
          final String profitCurrencyNonNull = Objects.requireNonNull(profitCurrency).toUpperCase();
          
          return candlesticks(BitfinexCurrencyPair.of(currencyNonNull, profitCurrencyNonNull), timeframe);
      }
docs: Returns symbol for candlestick channel
  
  @param currency       of candles
  @param profitCurrency of candles
  @param timeframe      configuration of candles
  @return symbol