* - Lock-free atomic operations
 * - Configurable thresholds and timeouts
 * - No complex dependencies
 */
public class SimpleCircuitBreaker {

    private static final Logger log = LoggerFactory.getLogger(SimpleCircuitBreaker.class);

    /**
     * Circuit breaker states
     */
    public enum State {
        CLOSED, // Normal operation
        OPEN, // Failing, requests blocked