code: public static CircuitBreakerMetrics ofIterable(String prefix, Iterable<CircuitBreaker> circuitBreakers) {
          return new CircuitBreakerMetrics(circuitBreakers, prefix);
      }
docs: Creates a new instance CircuitBreakerMetrics {@link CircuitBreakerMetrics} with
  an {@link Iterable} of circuit breakers as a source.
  
  @param prefix The prefix.
  @param circuitBreakers the circuit
  @return The CircuitBreakerMetrics {@link CircuitBreakerMetrics}.