// Protocol ID
        System.arraycopy(new byte[] { (byte) 0xFE, 'S', 'M', 'B' }, 0, buffer, bufferIndex, 4);
        // Header length
        SMBUtil.writeInt2(64, buffer, bufferIndex + 4);
        // Credit charge
        SMBUtil.writeInt2(1, buffer, bufferIndex + 6);
        // Status
        SMBUtil.writeInt4(0, buffer, bufferIndex + 8);
        // Command - SMB2_SET_INFO (0x0011)

 *
 * <p><b>Warning:</b> Unlike {@code Multiset}, entries whose values are zero are not automatically
 * removed from the map. Instead they must be removed manually with {@link #removeAllZeros}.
 *
 * @author Charles Fry
 * @since 11.0
 */
@GwtCompatible
public final class AtomicLongMap<K> implements Serializable {
  private final ConcurrentHashMap<K, Long> map;

  private AtomicLongMap(ConcurrentHashMap<K, Long> map) {

 * #put}, {@link #invalidateAll(Iterable)} is implemented in terms of {@link #invalidate}. The
 * method {@link #cleanUp} is a no-op. All other methods throw an {@link
 * UnsupportedOperationException}.
 *
 * @author Charles Fry
 * @since 10.0
 */
@GwtCompatible
public abstract class AbstractCache<K, V> implements Cache<K, V> {

  /** Constructor for use by subclasses. */
  protected AbstractCache() {}

  /**
   * @since 11.0

    Form, as described in Section 3.1, and You must inform recipients of
    the Executable Form how they can obtain a copy of such Source Code
    Form by reasonable means in a timely manner, at a charge no more
    than the cost of distribution to the recipient; and

(b) You may distribute such Executable Form under the terms of this
    License, or sublicense it under different terms, provided that the

 * by multiple concurrent threads.
 *
 * @param <K> the type of the cache's keys, which are not permitted to be null
 * @param <V> the type of the cache's values, which are not permitted to be null
 * @author Charles Fry
 * @since 10.0
 */
@DoNotMock("Use CacheBuilder.newBuilder().build()")
@GwtCompatible
public interface Cache<K, V> {

  /**

 * LoadingCache#get(Object)}, {@link LoadingCache#getUnchecked(Object)}, {@link Cache#get(Object,
 * Callable)}, or {@link LoadingCache#getAll(Iterable)}.
 *
 * @author Charles Fry
 * @since 10.0
 */
@GwtCompatible
public final class CacheStats {
  private final long hitCount;
  private final long missCount;
  private final long loadSuccessCount;
  private final long loadExceptionCount;

 * LoadingCache#get(Object)}, {@link LoadingCache#getUnchecked(Object)}, {@link Cache#get(Object,
 * Callable)}, or {@link LoadingCache#getAll(Iterable)}.
 *
 * @author Charles Fry
 * @since 10.0
 */
@GwtCompatible
public final class CacheStats {
  private final long hitCount;
  private final long missCount;
  private final long loadSuccessCount;
  private final long loadExceptionCount;

import org.jspecify.annotations.NullUnmarked;
import org.jspecify.annotations.Nullable;

/**
 * LocalCache emulation for GWT.
 *
 * @param <K> the base key type
 * @param <V> the base value type
 * @author Charles Fry
 * @author Jon Donovan
 */
@NullUnmarked
@SuppressWarnings("nullness") // TODO: b/384945891 - Remove after fixing checker.
public class LocalCache<K, V> implements ConcurrentMap<K, V> {

        // Protocol ID
        System.arraycopy(new byte[] { (byte) 0xFE, 'S', 'M', 'B' }, 0, buffer, headerStart, 4);
        // Structure size (64)
        SMBUtil.writeInt2(64, buffer, headerStart + 4);
        // Credit charge
        SMBUtil.writeInt2(1, buffer, headerStart + 6);
        // Status
        SMBUtil.writeInt4(0, buffer, headerStart + 8);
        // Command (READ = 0x0008)

     *
     * @param credit
     *            the credit to set
     */
    public final void setCredit(final int credit) {
        this.credit = credit;
    }

    /**
     * Gets the credit charge for this message.
     *
     * @return the creditCharge
     */
    public final int getCreditCharge() {
        return this.creditCharge;
    }

    @Override
    public void retainPayload() {