class BitflyerDemoUtils {

  public static Exchange createExchange() {<FILL_FUNCTION_BODY>}
}


    // Use the factory to get BitFlyer exchange API using default settings
    Exchange exchange = ExchangeFactory.INSTANCE.createExchange(BitflyerExchange.class);

    ExchangeSpecification bfxSpec = exchange.getDefaultExchangeSpecification();

    bfxSpec.setApiKey("");
    bfxSpec.setSecretKey("");

    exchange.applySpecification(bfxSpec);

    return exchange;
  
<no_super_class>