code: func BreakerTimeout(timeout time.Duration) Option {
  	return func(r *Rabbus) error {
  		r.config.breaker.timeout = timeout
  		return nil
  	}
  }
docs: // BreakerTimeout is the period of the open state, after which the state of CircuitBreaker becomes half-open.
  // If Timeout is 0, the timeout value of CircuitBreaker is set to 60 seconds.