delegate!!.removeHandshakeCompletedListener(listener)
  }

  @Throws(IOException::class)
  override fun startHandshake() {
    delegate!!.startHandshake()
  }

  override fun setUseClientMode(mode: Boolean) {
    delegate!!.useClientMode = mode
  }

  override fun getUseClientMode(): Boolean {
    return delegate!!.useClientMode
  }

  override fun setNeedClientAuth(need: Boolean) {

    return delegate!!.lastAccessedTime
  }

  override fun invalidate() {
    delegate!!.invalidate()
  }

  override fun isValid(): Boolean {
    return delegate!!.isValid
  }

  override fun putValue(
    s: String,
    o: Any,
  ) {
    delegate!!.putValue(s, o)
  }

  override fun getValue(s: String): Any {
    return delegate!!.getValue(s)
  }

      before() // This implicitly starts the delegate.
      return delegate.port
    }

  val hostName: String
    get() {
      before() // This implicitly starts the delegate.
      return delegate.hostName
    }

  var protocolNegotiationEnabled: Boolean by delegate::protocolNegotiationEnabled

  @get:JvmName("protocols")
  var protocols: List<Protocol>
    get() = delegate.protocols
    set(value) {

    private final Deque<E> delegate = Lists.newLinkedList();
    public final Object mutex = new Integer(1); // something Serializable

    @Override
    public boolean offer(E o) {
      assertTrue(Thread.holdsLock(mutex));
      return delegate.offer(o);
    }

    @Override
    public @Nullable E poll() {
      assertTrue(Thread.holdsLock(mutex));
      return delegate.poll();
    }

    @Override

  }

  @Override
  public @Nullable E higher(E e) {
    return delegate.higher(checkValid(e));
  }

  @Override
  public boolean isEmpty() {
    return delegate.isEmpty();
  }

  @Override
  public Iterator<E> iterator() {
    return delegate.iterator();
  }

  @Override
  public E last() {
    return delegate.last();
  }

 */
public class DelegatingConfiguration implements Configuration {

    private final Configuration delegate;


    /**
     * @param delegate
     *            delegate to pass all non-overridden method calls to
     * 
     */
    public DelegatingConfiguration ( Configuration delegate ) {
        this.delegate = delegate;
    }


    /**
     * {@inheritDoc}
     * 
     * @see jcifs.Configuration#getRandom()

    final Supplier<T> delegate;

    ThreadSafeSupplier(Supplier<T> delegate) {
      this.delegate = checkNotNull(delegate);
    }

    @Override
    @ParametricNullness
    public T get() {
      synchronized (delegate) {
        return delegate.get();
      }
    }

    @Override
    public String toString() {
      return "Suppliers.synchronizedSupplier(" + delegate + ")";
    }

  }

  private final transient EnumMap<K, V> delegate;

  private ImmutableEnumMap(EnumMap<K, V> delegate) {
    this.delegate = delegate;
    checkArgument(!delegate.isEmpty());
  }

  @Override
  UnmodifiableIterator<K> keyIterator() {
    return Iterators.unmodifiableIterator(delegate.keySet().iterator());
  }

  @Override
  Spliterator<K> keySpliterator() {
    return delegate.keySet().spliterator();
  }

    private final Deque<E> delegate = Lists.newLinkedList();
    public final Object mutex = new Integer(1); // something Serializable

    @Override
    public boolean offer(E o) {
      assertTrue(Thread.holdsLock(mutex));
      return delegate.offer(o);
    }

    @Override
    public @Nullable E poll() {
      assertTrue(Thread.holdsLock(mutex));
      return delegate.poll();
    }

    @Override

    assertTrue(delegate.isStatic());
    assertFalse(delegate.isOverridable());
    assertFalse(delegate.isVarArgs());
  }

  public void testStaticFinalMethod_isFinal() throws Exception {
    Invokable<?, ?> delegate = Prepender.method("staticFinalMethod");
    assertTrue(delegate.isStatic());
    assertTrue(delegate.isFinal());
    assertFalse(delegate.isOverridable());