-   Check if your changes are consistent with the
    [guidelines](#general-guidelines-and-philosophy-for-contribution).
-   Changes are consistent with the [Coding Style](#c-coding-style).
-   Run the [unit tests](#running-unit-tests).

## How to become a contributor and submit your own code

![Screen Shot 2022-08-30 at 7 27 04 PM](https://user-images.githubusercontent.com/42785357/187579207-9924eb32-da31-47bb-99f9-d8bf1aa238ad.png)

   *     by subsequent {@code get()} calls
   * @param unit the unit that {@code duration} is expressed in
   * @throws IllegalArgumentException if {@code duration} is not positive
   * @since 2.0
   */
  @SuppressWarnings("GoodTime") // Prefer the Duration overload
  public static <T extends @Nullable Object> Supplier<T> memoizeWithExpiration(
      Supplier<T> delegate, long duration, TimeUnit unit) {
    checkNotNull(delegate);

    fun withConnectTimeout(
      timeout: Int,
      unit: TimeUnit,
    ): Chain

    fun readTimeoutMillis(): Int

    fun withReadTimeout(
      timeout: Int,
      unit: TimeUnit,
    ): Chain

    fun writeTimeoutMillis(): Int

    fun withWriteTimeout(
      timeout: Int,
      unit: TimeUnit,
    ): Chain
  }

open class FailingCall : Call {
  override fun request(): Request = error("unexpected")

  override fun execute(): Response = error("unexpected")

  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")

   * @param unit the time unit of the timeout argument
   * @throws TimeoutException if the service has not reached the given state within the deadline
   * @throws IllegalStateException if the service {@linkplain State#FAILED fails}.
   * @since 15.0
   */
  @SuppressWarnings("GoodTime") // should accept a java.time.Duration
  void awaitTerminated(long timeout, TimeUnit unit) throws TimeoutException;

  /**

   * @param unit the time unit of the timeout argument
   * @throws TimeoutException if the service has not reached the given state within the deadline
   * @throws IllegalStateException if the service {@linkplain State#FAILED fails}.
   * @since 15.0
   */
  @SuppressWarnings("GoodTime") // should accept a java.time.Duration
  void awaitTerminated(long timeout, TimeUnit unit) throws TimeoutException;

  /**

      rethrow(e);
    }
    throw new AssertionError("Unreachable");
  }

  @Override
  public V get(long timeout, TimeUnit unit)
      throws InterruptedException, ExecutionException, TimeoutException {
    try {
      super.get(timeout, unit);
    } catch (ExecutionException e) {
      rethrow(e);
    }
    throw new AssertionError("Unreachable");
  }

  public boolean isTerminated() {
    synchronized (lock) {
      return shutdown && runningTasks == 0;
    }
  }

  @Override
  public boolean awaitTermination(long timeout, TimeUnit unit) throws InterruptedException {
    long nanos = unit.toNanos(timeout);
    synchronized (lock) {
      while (true) {
        if (shutdown && runningTasks == 0) {
          return true;
        } else if (nanos <= 0) {
          return false;

    return delegate.get();
  }

  @Override
  @ParametricNullness
  public V get(long timeout, TimeUnit unit)
      throws InterruptedException, ExecutionException, TimeoutException {
    return delegate.get(timeout, unit);
  }

  @Override
  public String toString() {
    return delegate.toString();
  }

   *
   * @param timeout the maximum time to wait
   * @param unit the time unit of the timeout argument
   * @throws TimeoutException if not all of the services have stopped within the deadline
   */
  @SuppressWarnings("GoodTime") // should accept a java.time.Duration
  public void awaitStopped(long timeout, TimeUnit unit) throws TimeoutException {
    state.awaitStopped(timeout, unit);
  }

  /**