BlockingQueue<E> q,
      Collection<? super E> buffer,
      int numElements,
      long timeout,
      TimeUnit unit)
      throws InterruptedException {
    Preconditions.checkNotNull(buffer);
    /*
     * This code performs one System.nanoTime() more than necessary, and in return, the time to
     * execute Queue#drainTo is not added *on top* of waiting for the timeout (which could make

      BlockingQueue<E> q,
      Collection<? super E> buffer,
      int numElements,
      long timeout,
      TimeUnit unit)
      throws InterruptedException {
    Preconditions.checkNotNull(buffer);
    /*
     * This code performs one System.nanoTime() more than necessary, and in return, the time to
     * execute Queue#drainTo is not added *on top* of waiting for the timeout (which could make

  /**
   * Creates a {@code LittleEndianDataInputStream} that wraps the given stream.
   *
   * @param in the stream to delegate to
   */
  public LittleEndianDataInputStream(InputStream in) {
    super(Preconditions.checkNotNull(in));
  }

  /** This method will throw an {@link UnsupportedOperationException}. */
  @CanIgnoreReturnValue // to skip a line
  @Override
  @DoNotCall("Always throws UnsupportedOperationException")

   */

  @LazyInit private @Nullable ListenableFuture<V> delegateRef;
  @LazyInit private @Nullable ScheduledFuture<?> timer;

  private TimeoutFuture(ListenableFuture<V> delegate) {
    this.delegateRef = Preconditions.checkNotNull(delegate);
  }

  /** A runnable that is called when the delegate or the timer completes. */
  private static final class Fire<V extends @Nullable Object> implements Runnable {

  }

  private static class NamedObject {
    private final Set<String> peerNames = new HashSet<>();

    private final String name;

    NamedObject(String name) {
      this.name = Preconditions.checkNotNull(name);
    }

    @CanIgnoreReturnValue
    NamedObject addPeers(String... names) {
      peerNames.addAll(ImmutableList.copyOf(names));
      return this;
    }

    @Override

    for (int i = 0; i < length; i++) {
      checkElementNotNull(array[i], i);
    }
    return array;
  }

  // We do this instead of Preconditions.checkNotNull to save boxing and array-creation cost.
  @CanIgnoreReturnValue
  static Object checkElementNotNull(@Nullable Object element, int index) {
    if (element == null) {

    for (int i = 0; i < length; i++) {
      checkElementNotNull(array[i], i);
    }
    return array;
  }

  // We do this instead of Preconditions.checkNotNull to save boxing and array-creation cost.
  @CanIgnoreReturnValue
  static Object checkElementNotNull(@Nullable Object element, int index) {
    if (element == null) {

  }

  private static class NamedObject {
    private final Set<String> peerNames = new HashSet<>();

    private final String name;

    NamedObject(String name) {
      this.name = Preconditions.checkNotNull(name);
    }

    @CanIgnoreReturnValue
    NamedObject addPeers(String... names) {
      peerNames.addAll(ImmutableList.copyOf(names));
      return this;
    }

    @Override

  @GwtIncompatible // concurrency
  @SuppressWarnings("GoodTime") // should accept a java.time.Duration
  public static void joinUninterruptibly(Thread toJoin, long timeout, TimeUnit unit) {
    Preconditions.checkNotNull(toJoin);
    boolean interrupted = false;
    try {
      long remainingNanos = unit.toNanos(timeout);
      long end = System.nanoTime() + remainingNanos;
      while (true) {
        try {

      @GwtIncompatible @J2ktIncompatible private static final long serialVersionUID = 1L;

      @Override
      public boolean contains(@Nullable Object element) {
        Preconditions.checkNotNull(element);
        return super.contains(element);
      }
    }
    Collection<Integer> nums = new CollectionThatThrowsNullPointerException<>();
    Predicate<@Nullable Integer> isFalse = Predicates.in(nums);