override fun enqueue(responseCallback: Callback): Unit = error("unexpected")

  override fun cancel(): Unit = error("unexpected")

  override fun isExecuted(): Boolean = error("unexpected")

  override fun isCanceled(): Boolean = error("unexpected")

  override fun timeout(): Timeout = error("unexpected")

  override fun clone(): Call = error("unexpected")

  /**
   * Ensures the truth of an expression involving one or more parameters to the calling method.
   *
   * @param expression a boolean expression
   * @throws IllegalArgumentException if {@code expression} is false
   */
  public static void checkArgument(boolean expression) {
    if (!expression) {
      throw new IllegalArgumentException();
    }
  }

  /**

      return sync.get();
    }

    @Override
    public boolean isDone() {
      return sync.isDone();
    }

    @Override
    public boolean isCancelled() {
      return sync.isCancelled();
    }

    @CanIgnoreReturnValue
    @Override
    public boolean cancel(boolean mayInterruptIfRunning) {
      if (!sync.cancel(mayInterruptIfRunning)) {
        return false;

  private static boolean isDurationBased(Method method) {
    Class<?>[] parameterTypes = method.getParameterTypes();
    return parameterTypes.length >= 1
        && parameterTypes[parameterTypes.length - 1] == Duration.class;
  }

  /** Determines whether the given method returns a boolean value. */
  private static boolean isBoolean(Method method) {
    return method.getReturnType() == boolean.class;
  }

  val npnProtocols: List<String>,
  val platform: String?,
  val requiresSha2: Boolean,
  val signatureAlgorithms: List<Int>,
  val suiteIds: List<Int>,
  val suiteNames: List<String>,
  val supportsCompression: Boolean,
  val supportsNpn: Boolean,
  val supportsRi: Boolean,
  val supportsSni: Boolean,
  val supportsStapling: Boolean,
  val supportsTickets: Boolean,
  val userAgent: String?,
  val version: String,

   * address.
   */
  private fun routeMatchesAny(candidates: List<Route>): Boolean =
    candidates.any {
      it.proxy.type() == Proxy.Type.DIRECT &&
        route.proxy.type() == Proxy.Type.DIRECT &&
        route.socketAddress == it.socketAddress
    }

  private fun supportsUrl(url: HttpUrl): Boolean {
    assertLockHeld()

    val routeUrl = route.address.url

     */
    public static boolean isPublicStaticFinal(final int modifier) {
        return isPublic(modifier) && isStatic(modifier) && isFinal(modifier);
    }

    /**
     * Checks if the specified modifier is public.
     *
     * @param modifier
     *            the modifier to check
     * @return true if public, false otherwise
     */
    public static boolean isPublic(final int modifier) {

        assertEquals("1", Boolean.TRUE, BooleanConversionUtil.toBoolean(Integer.valueOf(1)));
        assertEquals("2", Boolean.FALSE, BooleanConversionUtil.toBoolean(Integer.valueOf(0)));
        assertEquals("3", Boolean.FALSE, BooleanConversionUtil.toBoolean("0"));
        assertEquals("4", Boolean.TRUE, BooleanConversionUtil.toBoolean("1"));
        assertEquals("5", Boolean.TRUE, BooleanConversionUtil.toBoolean("2"));

  public @Nullable E pollLast() {
    return delegate.pollLast();
  }

  @Override
  public boolean remove(Object object) {
    return delegate.remove(checkValid(object));
  }

  @Override
  public boolean removeAll(Collection<?> c) {
    return delegate.removeAll(c);
  }

  @Override
  public boolean retainAll(Collection<?> c) {
    return delegate.retainAll(c);
  }

  @Override

    override val call: Call,
  ) : CallEvent() {
    override fun closes(event: CallEvent): Boolean = event is CallStart && call == event.call
  }

  data class CallFailed(
    override val timestampNs: Long,
    override val call: Call,
    val ioe: IOException,
  ) : CallEvent() {
    override fun closes(event: CallEvent): Boolean = event is CallStart && call == event.call
  }

  data class Canceled(