code: public static BitfinexCandlestickSymbol candlesticks(final BitfinexCurrencyPair currencyPair, 
      		final BitfinexCandleTimeFrame timeframe) {
      	
          return new BitfinexCandlestickSymbol(currencyPair, Objects.requireNonNull(timeframe));
      }
docs: Returns symbol for candlestick channel
  
  @param currencyPair of candles
  @param timeframe    configuration of candles
  @return symbol