@Override
    public String toString() {
        return MoreObjects.toStringHelper(this)
                          .add("name", name)
                          .add("config", config)
                          .toString();
    }
Returns {@code true} if this state has timed out.
core/src/main/java/com/linecorp/armeria/client/circuitbreaker/NonBlockingCircuitBreaker.java