* Future} need not be {@linkplain Future#isDone done}, making {@code AsyncFunction} suitable for
   * asynchronous derivations.
   *
   * <p>Throwing an exception from this method is equivalent to returning a failing {@code Future}.
   */
  ListenableFuture<O> apply(@ParametricNullness I input) throws Exception;

/**
 * Circuit breaker pattern implementation for SMB operations.
 * Prevents cascading failures by temporarily blocking requests to a failing service.
 *
 * The circuit breaker has three states:
 * - CLOSED: Normal operation, requests pass through
 * - OPEN: Service is failing, requests are blocked
 * - HALF_OPEN: Testing if service has recovered
 */
public class SmbCircuitBreaker {

   * #wasInterrupted} as necessary. This ensures that the work is done even if the future is
   * cancelled without a call to {@code cancel}, such as by calling {@code
   * setFuture(cancelledFuture)}.
   *
   * <p>Beware of completing a future while holding a lock. Its listeners may do slow work or
   * acquire other locks, risking deadlocks.
   */
  @CanIgnoreReturnValue

    return getMultiset().setCount(element, getMultiset().count(element), count);
  }

  private void assertSetCountNegativeOldCount() {
    try {
      getMultiset().setCount(e3(), -1, 1);
      fail("calling setCount() with a negative oldCount should throw IllegalArgumentException");
    } catch (IllegalArgumentException expected) {
    }
  }

  // Negative oldCount.

  @CollectionFeature.Require(SUPPORTS_ADD)

				p.writers[i] = nil
			}
		} else {
			p.writers[i] = nil
		}
	}

	// If nilCount >= p.writeQuorum, we return nil. This is because HealFile() uses
	// CreateFile with p.writeQuorum=1 to accommodate healing of single disk.
	// i.e if we do no return here in such a case, reduceWriteQuorumErrs() would
	// return a quorum error to HealFile().
	nilCount := countErrs(p.errs, nil)
	if nilCount >= p.writeQuorum {
		return nil
	}

 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package mockwebserver3

/**
 * An adverse action to take on a socket, intended to exercise failure modes in the calling code.
 */
public sealed interface SocketEffect {
  /**
   * Close the TCP socket that carries this request.
   *
   * Using this as [MockResponse.onResponseEnd] is the default for HTTP/1.0.
   */

        // Call retainPayload and check if it becomes true
        message.retainPayload();
        assertTrue(message.isRetainPayload(), "isRetainPayload should be true after calling retainPayload");
    }

    @Test
    void testSetAndGetRawPayload() {
        // Initially, rawPayload should be null
        assertNull(message.getRawPayload(), "rawPayload should be null initially");

	// Cached value from Bitrot field
	cache struct {
		// -1: bitrot enabled, 0: bitrot disabled, > 0: bitrot cycle
		bitrotCycle time.Duration
	}
}

// BitrotScanCycle returns the configured cycle for the scanner healing
// - '-1' for not enabled
// - '0' for continuous bitrot scanning
// - '> 0' interval duration between cycles
func (opts Config) BitrotScanCycle() (d time.Duration) {
	configMutex.RLock()
	defer configMutex.RUnlock()

}

func (d *naughtyDisk) Endpoint() Endpoint {
	return d.disk.Endpoint()
}

func (d *naughtyDisk) Hostname() string {
	return d.disk.Hostname()
}

func (d *naughtyDisk) Healing() *healingTracker {
	return d.disk.Healing()
}

func (d *naughtyDisk) Close() (err error) {
	if err = d.calcError(); err != nil {
		return err
	}
	return d.disk.Close()
}

func (d *naughtyDisk) calcError() (err error) {

		return pongMsg{Err: &err}
	default:
		atomic.StoreInt64(&m.LastPing, time.Now().Unix())
		return pongMsg{}
	}
}

// disconnect will disconnect the mux.
// m.recvMu must be locked when calling this function.
func (m *muxServer) disconnect(msg string, locked bool) {
	if debugPrint {
		fmt.Println("Mux", m.ID, "disconnecting. Reason:", msg)
	}
	if msg != "" {