code: func PassiveExchange(isExchangePassive bool) Option {
  	return func(r *Rabbus) error {
  		r.config.isExchangePassive = isExchangePassive
  		return nil
  	}
  }
docs: // PassiveExchange forces passive connection with all exchanges using
  // amqp's ExchangeDeclarePassive instead the default ExchangeDeclare