* @since 10.0
 */
@GwtIncompatible
public abstract class ForwardingCache<K, V> extends ForwardingObject implements Cache<K, V> {

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

  @Override
  protected abstract Cache<K, V> delegate();

  /**
   * @since 11.0
   */
  @Override
  public @Nullable V getIfPresent(Object key) {
    return delegate().getIfPresent(key);
  }

  /**

     *
     * @param value the string value to quote
     * @return the quoted string if it contains spaces, otherwise the original value
     */
    protected String quote(final String value) {
        if (value.split("\\s").length > 1) {
            return new StringBuilder().append('"').append(value.replace('"', ' ')).append('"').toString();
        }
        return value;
    }

 */
@Deprecated
public abstract class AbstractProfileActivatorTest<T extends ProfileActivator> {

    protected T activator;

    @BeforeEach
    abstract void setUp() throws Exception;

    @AfterEach
    void tearDown() throws Exception {
        activator = null;
    }

    protected ProfileActivationContext newContext(final Properties userProperties, final Properties systemProperties) {

    extends AbstractMapTester<K, V> {

  @Override
  protected BiMap<K, V> getMap() {
    return (BiMap<K, V>) super.getMap();
  }

  static <K extends @Nullable Object, V extends @Nullable Object> Entry<V, K> reverseEntry(
      Entry<K, V> entry) {
    return mapEntry(entry.getValue(), entry.getKey());
  }

  @Override
  protected void expectContents(Collection<Entry<K, V>> expected) {

    /** System helper for common system operations and utilities. */
    @Resource
    protected SystemHelper systemHelper;

    /** Behavior class for user information database operations. */
    @Resource
    protected UserInfoBhv userInfoBhv;

    /** Behavior class for favorite log database operations. */
    @Resource
    protected FavoriteLogBhv favoriteLogBhv;

    /** Configuration settings for the Fess search system. */

    /**
     * Instance for the singleton.
     */
    protected static final TimeoutManager instance = new TimeoutManager();

    /**
     * {@link Thread} for the timer.
     */
    protected Thread thread;

    /**
     * A list for managing {@link TimeoutTask}.
     */
    protected final SLinkedList<TimeoutTask> timeoutTaskList = new SLinkedList<>();

    private TimeoutManager() {

        response.getServerData().encryptionKeyLength = 8;
        // Domain name in OEM encoding (ASCII) with null terminator
        byte[] domainBytes = "DOMAIN\0".getBytes("US-ASCII");
        // Use reflection to set protected byteCount field
        int byteCountValue = 8 + domainBytes.length;
        setByteCount(response, byteCountValue);
        byte[] buffer = new byte[byteCountValue];
        int bufferIndex = 0;

 *            The type of the fourth value
 */
public class Tuple4<T1, T2, T3, T4> {

    /** The first value */
    protected T1 value1;

    /** The second value */
    protected T2 value2;

    /** The third value */
    protected T3 value3;

    /** The fourth value */
    protected T4 value4;

    /**
     * Creates and returns a tuple of four values.
     *
     * @param <T1>

    }

    protected BinaryCompatibilityRepository getRepository() {
        return context.userData[BinaryCompatibilityRepositorySetupRule.REPOSITORY_CONTEXT_KEY] as BinaryCompatibilityRepository
    }

    protected static boolean isNewOrRemoved(JApiCompatibility member) {
        if (member instanceof JApiHasChangeStatus) {

     *
     * <p>The default implementation does nothing.
     *
     * @since 10.0
     */
    protected void interruptTask() {}

    /**
     * Returns true if this future was cancelled with {@code mayInterruptIfRunning} set to {@code
     * true}.
     *
     * @since 14.0
     */
    protected final boolean wasInterrupted() {
      return sync.wasInterrupted();
    }

    /**