/**
 * A value that gets discarded during serialization.
 */
public abstract class Transient<T> implements java.io.Serializable {

    /**
     * A mutable variable that gets discarded during serialization.
     */
    public static abstract class Var<T> extends Transient<T> {
        public abstract void set(T value);
    }

    public static <T> Transient<T> of(T value) {
        return new ImmutableTransient<>(value);
    }

  @CheckForNull private final transient Object keyHashTable;
  @VisibleForTesting final transient @Nullable Object[] alternatingKeysAndValues;
  private final transient int keyOffset; // 0 for K-to-V, 1 for V-to-K
  private final transient int size;
  private final transient RegularImmutableBiMap<V, K> inverse;

  /** Constructor for empty bimap. */

@SuppressWarnings("serial") // uses writeReplace(), not default serialization
@ElementTypesAreNonnullByDefault
final class SingletonImmutableBiMap<K, V> extends ImmutableBiMap<K, V> {

  final transient K singleKey;
  final transient V singleValue;

  SingletonImmutableBiMap(K singleKey, V singleValue) {
    checkEntryNotNull(singleKey, singleValue);
    this.singleKey = singleKey;
    this.singleValue = singleValue;

  // The first `size` elements are non-null.
  @VisibleForTesting final transient @Nullable Object[] elements;
  private final transient int hashCode;
  // the same values as `elements` in hashed positions (plus nulls)
  @VisibleForTesting final transient @Nullable Object[] table;
  // 'and' with an int to get a valid table index.
  private final transient int mask;
  private final transient int size;

  RegularImmutableSet(

        }

        @Transient
        var transientByte: Byte? = null

        @Transient
        var transientShort: Short? = null

        @Transient
        var transientInt: Int? = null

        @Transient
        var transientLong: Long? = null

        @Transient
        var transientString: String? = null

        @Transient
        var transientFloat: Float? = null

    private final String workerImplementationName;
    private transient CountDownLatch completed;
    private transient ResponseProtocol responder;
    private transient WorkerLogEventListener workerLogEventListener;
    private transient RequestHandler<Object, Object> implementation;
    private transient InstantiatorFactory instantiatorFactory;
    private transient Exception failure;

    public WorkerAction(Class<?> workerImplementation) {

      new RegularImmutableSortedMultiset<>(Ordering.natural());

  @VisibleForTesting final transient RegularImmutableSortedSet<E> elementSet;
  private final transient long[] cumulativeCounts;
  private final transient int offset;
  private final transient int length;

  RegularImmutableSortedMultiset(Comparator<? super E> comparator) {
    this.elementSet = ImmutableSortedSet.emptySet(comparator);

import spock.lang.Subject
import spock.lang.Unroll

@Subject(NetworkingIssueVerifier)
class NetworkingIssueVerifierTest extends Specification {

    @Unroll("'#description' is likely transient network issue")
    def "verifies if an exception is a related to transient network issue"() {
        expect:
        NetworkingIssueVerifier.isLikelyTransientNetworkingIssue(failure)

        where:

  abstract Iterator<Entry<K, V>> entryIterator();

  @LazyInit @CheckForNull private transient Set<K> keySet;

  @Override
  public Set<K> keySet() {
    Set<K> result = keySet;
    return (result == null) ? keySet = createKeySet() : result;
  }

  abstract Set<K> createKeySet();

  @LazyInit @CheckForNull private transient Multiset<K> keys;

  @Override
  public Multiset<K> keys() {

    }

    /**
     * <code>transient</code>かどうか返します。
     *
     * @param field
     *            フィールド
     * @return <code>transient</code>なら{@literal true}
     * @see #isTransient(int)
     */
    public static boolean isTransient(final Field field) {
        return isTransient(field.getModifiers());
    }

    /**
     * <code>transient</code>かどうか返します。
     *
     * @param modifier