/**
   * When we need a new thread to run tasks, we call [Backend.execute]. A few microseconds later we
   * expect a newly-started thread to call [Runnable.run]. We shouldn't request new threads until
   * the already-requested ones are in service, otherwise we might create more threads than we need.
   *
   * We use [executeCallCount] and [runCallCount] to defend against starting more threads than we
   * need. Both fields are guarded by `this`.
   */

    this.table = table;
    this.mask = mask;
  }

  /**
   * Checks if the given key already appears in the hash chain starting at {@code keyBucketHead}. If
   * it does not, then null is returned. If it does, then if {@code throwIfDuplicateKeys} is true an
   * {@code IllegalArgumentException} is thrown, and otherwise the existing {@link Entry} is
   * returned.
   *

         configurations downstream, and GWT uses the runtime configuration for
         its builds. Thus, GWT doesn't get j2objc-annotations transitively, in
         contrast to the other deps of `guava`, which it does get transitively.
         (Arguably we should redeclare *all* the `guava` deps here.) -->
    <dependency>
      <groupId>com.google.j2objc</groupId>
      <artifactId>j2objc-annotations</artifactId>
    </dependency>

    return asImmutableList(array);
  }

  /** Views the array as an immutable list. Checks for nulls; does not copy. */
  private static <E> ImmutableList<E> construct(Object... elements) {
    return asImmutableList(checkElementsNotNull(elements));
  }

  /**
   * Views the array as an immutable list. Does not check for nulls; does not copy.
   *
   * <p>The array must be internally created.
   */

   * cookies may be set, though even that depends on individual browsers' implementations of cookie
   * controls.
   *
   * @throws IllegalStateException if this domain does not end with a public suffix
   * @since 6.0
   */
  public InternetDomainName topPrivateDomain() {
    if (isTopPrivateDomain()) {
      return this;
    }

  private static void closeAll(BaseStream<?, ?>[] toClose) {
    // If one of the streams throws an exception, continue closing the others, then throw the
    // exception later. If more than one stream throws an exception, the later ones are added to the
    // first as suppressed exceptions. We don't catch Error on the grounds that it should be allowed
    // to propagate immediately.
    Exception exception = null;

   * href="http://en.wikipedia.org/wiki/Memoization">memoization</a>
   *
   * <p>The returned supplier is thread-safe. The supplier's serialized form does not contain the
   * cached value, which will be recalculated when {@code get()} is called on the reserialized
   * instance. The actual memoization does not happen when the underlying delegate throws an
   * exception.
   *

   * network that does not allow them will throw an {@link IllegalArgumentException}.
   */
  boolean allowsParallelEdges();

  /**
   * Returns true if this network allows self-loops (edges that connect a node to itself).
   * Attempting to add a self-loop to a network that does not allow them will throw an {@link
   * IllegalArgumentException}.
   */

    @Override
    public boolean add(@ParametricNullness V element) {
      throw new IllegalArgumentException("Key does not satisfy predicate: " + key);
    }

    @Override
    public boolean addAll(Collection<? extends V> collection) {
      checkNotNull(collection);
      throw new IllegalArgumentException("Key does not satisfy predicate: " + key);
    }

    @Override
    protected Set<V> delegate() {

    @Override
    public boolean add(@ParametricNullness V element) {
      throw new IllegalArgumentException("Key does not satisfy predicate: " + key);
    }

    @Override
    public boolean addAll(Collection<? extends V> collection) {
      checkNotNull(collection);
      throw new IllegalArgumentException("Key does not satisfy predicate: " + key);
    }

    @Override
    protected Set<V> delegate() {