delegate().putLast(e);
  }

  @Override
  public boolean offerFirst(E e, long timeout, TimeUnit unit) throws InterruptedException {
    return delegate().offerFirst(e, timeout, unit);
  }

  @Override
  public boolean offerLast(E e, long timeout, TimeUnit unit) throws InterruptedException {
    return delegate().offerLast(e, timeout, unit);
  }

  @Override
  public E takeFirst() throws InterruptedException {

        }
    }

    /**
     * Validates timeout value
     *
     * @param timeout timeout in milliseconds
     * @param fieldName the field name for error reporting
     * @throws IllegalArgumentException if timeout is invalid
     */
    public static void validateTimeout(long timeout, String fieldName) {
        if (timeout < 0) {

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

  @Override
  public boolean awaitTermination(long timeout, TimeUnit unit) throws InterruptedException {
    Preconditions.checkNotNull(unit, "unit must not be null!");
    return delegate.awaitTermination(timeout, unit);
  }

  @Override
  public <T> ListenableFuture<T> submit(Callable<T> task) {

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

  @Override
  public boolean awaitTermination(long timeout, TimeUnit unit) throws InterruptedException {
    Preconditions.checkNotNull(unit, "unit must not be null!");
    return delegate.awaitTermination(timeout, unit);
  }

  @Override
  public <T> ListenableFuture<T> submit(Callable<T> task) {

internal fun Source.skipAll(
  duration: Int,
  timeUnit: TimeUnit,
): Boolean {
  val nowNs = System.nanoTime()
  val originalDurationNs =
    if (timeout().hasDeadline()) {
      timeout().deadlineNanoTime() - nowNs
    } else {
      Long.MAX_VALUE
    }
  timeout().deadlineNanoTime(nowNs + minOf(originalDurationNs, timeUnit.toNanos(duration.toLong())))
  return try {
    val skipBuffer = Buffer()

devtoolset-9)
  wget --retry-connrefused --waitretry=1 --read-timeout=20 --timeout=15 --tries=5 "https://vault.centos.org/centos/7/sclo/Source/rh/devtoolset-9-gcc-9.3.1-2.2.el7.src.rpm"
  rpm2cpio "devtoolset-9-gcc-9.3.1-2.2.el7.src.rpm" |cpio -idmv
  tar -xvf "gcc-9.3.1-20200408.tar.xz" --strip 1
  ;;
devtoolset-10)

   */
  default void awaitRunning(Duration timeout) throws TimeoutException {
    awaitRunning(toNanosSaturated(timeout), TimeUnit.NANOSECONDS);
  }

  /**
   * Waits for the {@link Service} to reach the {@linkplain State#RUNNING running state} for no more
   * than the given time.
   *
   * @param timeout the maximum time to wait
   * @param unit the time unit of the timeout argument

    this.session = session;
    this.notifyAll();
  }

  /** Waits for an OAuth session for this client to be set. */
  public synchronized void awaitAccessToken(Timeout timeout) throws InterruptedIOException {
    while (session == null) {
      timeout.waitUntilNotified(this);
    }
  }

  /** Starts a real time messaging session. */
  public void startRtm() throws IOException {
    String accessToken;

   *
   * @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);
  }

  /**

    if (timeoutEarlyExit) return cause
    if (!timeout.exit()) return cause

    val e = InterruptedIOException("timeout")
    if (cause != null) e.initCause(cause)
    return e
  }

  /**
   * Stops applying the timeout before the call is entirely complete. This is used for WebSockets
   * and duplex calls where the timeout only applies to the initial setup.
   */
  fun timeoutEarlyExit() {