private final ReferenceQueue<AutoCloseable> referenceQueue = new ReferenceQueue<>();
    private final AtomicLong resourceIdCounter = new AtomicLong();
    private final AtomicLong totalAllocated = new AtomicLong();
    private final AtomicLong totalReleased = new AtomicLong();
    private final AtomicLong totalLeaks = new AtomicLong();

    private final ScheduledExecutorService cleanupExecutor;
    private ScheduledFuture<?> cleanupTask;

    private final AtomicLong currentWindowStart = new AtomicLong(System.currentTimeMillis());

    // Cleanup scheduler
    private final ScheduledExecutorService cleanupScheduler;
    private final AtomicBoolean closed = new AtomicBoolean(false);

    // Statistics
    private final AtomicLong totalAttemptsBlocked = new AtomicLong(0);
    private final AtomicLong totalAccountsLocked = new AtomicLong(0);

```java
public class HandleStatistics {
    private final AtomicLong handlesRequested = new AtomicLong();
    private final AtomicLong handlesGranted = new AtomicLong();
    private final AtomicLong reconnectAttempts = new AtomicLong();
    private final AtomicLong reconnectSuccesses = new AtomicLong();
    private final AtomicLong handleExpirations = new AtomicLong();
    
    public double getReconnectSuccessRate() {

                return;
            }

            // Atomically get or create the AtomicLong for this host using Cache.get()
            // This ensures thread-safe, atomic get-or-create behavior
            // Initialize with 0 to mark uninitialized state
            final AtomicLong lastTime = lastTimes.get(host, () -> new AtomicLong(0));

            synchronized (lastTime) {
                final long lastValue = lastTime.get();

    private volatile boolean healthCheckingEnabled = true;

    // Health check metrics
    private final AtomicLong totalHealthChecks = new AtomicLong(0);
    private final AtomicLong failedHealthChecks = new AtomicLong(0);
    private final AtomicLong connectionsRemoved = new AtomicLong(0);
    private final AtomicInteger activeConnections = new AtomicInteger(0);

 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
package jcifs.internal.witness;

import java.net.InetAddress;
import java.util.concurrent.atomic.AtomicLong;

/**
 * Represents a witness service registration for SMB resource monitoring.
 * This class maintains registration state, heartbeat information, and
 * sequence numbers for witness protocol communication.
 */

    private final byte[] fileId;
    private boolean open = true;
    private final long tree_num; // for checking whether the tree changed
    private SmbTreeHandleImpl tree;

    private final AtomicLong usageCount = new AtomicLong(1);
    private final int flags;
    private final int access;
    private final int attrs;
    private final int options;
    private final String unc;

    /** Sort list. */
    protected List<SortBuilder<?>> sortList = new ArrayList<>();

    /** Scroll ID. */
    protected String scrollId = null;

    /** Document count. */
    protected final AtomicLong docCount = new AtomicLong(0);
    /** Total document number. */
    protected final long totalDocNum;

    /**
     * Constructor for ESSourceReader.
     * @param client The OpenSearch client.

    private final ExecutorService channelExecutor;
    private final ScheduledExecutorService healthCheckExecutor;

    // Statistics
    private final AtomicLong totalRequests = new AtomicLong(0);
    private final AtomicLong totalChannelsCreated = new AtomicLong(0);

    /**
     * Load balancing strategies for distributing operations across channels.
     */
    public enum LoadBalancingStrategy {

 *
 * <p>This class is thread-safe.
 *
 * @author Jige Yu
 * @since 10.0
 */
@NullMarked
@GwtCompatible
public class FakeTicker extends Ticker {

  private final AtomicLong nanos = new AtomicLong();
  private volatile long autoIncrementStepNanos;

  /** Advances the ticker value by {@code time} in {@code timeUnit}. */
  @SuppressWarnings("GoodTime") // should accept a java.time.Duration