code: func Flush() {
  	circuitBreakersMutex.Lock()
  	defer circuitBreakersMutex.Unlock()
  
  	for name, cb := range circuitBreakers {
  		cb.metrics.Reset()
  		cb.executorPool.Metrics.Reset()
  		delete(circuitBreakers, name)
  	}
  }
docs: // Flush purges all circuit and metric information from memory.