docs: public synchronized CircuitBreaker createCircuitBreaker(String name,
              CircuitBreakerConfig config) {
          CircuitBreaker circuitBreaker = findCircuitBreaker(name);
  
          if (circuitBreaker == null) {
              circuitBreaker = new CircuitBreaker(name);
  
              configureCircuitBreaker(name, circuitBreaker, config);
              addCircuitBreakerToMap(name, circuitBreaker);
          }
  
          return circuitBreaker;
      }