state = State.DONE;
    return null;
  }

  @Override
  public final boolean hasNext() {
    checkState(state != State.FAILED);
    switch (state) {
      case DONE:
        return false;
      case READY:
        return true;
      default:
    }
    return tryToComputeNext();
  }

  private boolean tryToComputeNext() {
    state = State.FAILED; // temporary pessimism
    next = computeNext();

     *
     * @param version the version to test, must not be {@code null}
     * @return {@code true} if this range contains the specified version, {@code false} otherwise
     */
    boolean contains(@Nonnull Version version);

    /**
     * Returns the upper boundary of this range, or {@code null} if none.
     */
    @Nullable
    Boundary getUpperBoundary();

    /**

   * http://android.com/foo HTTP/1.1") or only the path (like "GET /foo HTTP/1.1").
   */
  private fun includeAuthorityInRequestLine(
    request: Request,
    proxyType: Proxy.Type,
  ): Boolean = !request.isHttps && proxyType == Proxy.Type.HTTP

  /**
   * Returns the path to request, like the '/' in 'GET / HTTP/1.1'. Never empty, even if the request
   * URL is. Includes the query component if it exists.
   */

     * embeds Maven. When running in "embedded" mode, Maven will not try to grab system terminal and will use
     * provided {@link #stdIn()} or {@link InputStream#nullInputStream()} as standard in stream.
     */
    boolean embedded();

    /**
     * Creates a new Builder instance for constructing a Maven ParserRequest.
     *
     * @param args the command-line arguments

   * identically. However, as code migrates to {@code java.util.function}, that behavior will
   * disappear. It is best not to depend on it.
   */
  @Override
  boolean equals(@Nullable Object obj);

  @Override
  default boolean test(@ParametricNullness T input) {
    return apply(input);
  }

  /** Constructor for use by subclasses. */
  protected ForwardingSet() {}

  @Override
  protected abstract Set<E> delegate();

  @Override
  public boolean equals(@Nullable Object object) {
    return object == this || delegate().equals(object);
  }

  @Override
  public int hashCode() {
    return delegate().hashCode();
  }

  /**

    private static class TestHandleReconnector extends HandleReconnector {
        private final boolean shouldSucceed;

        public TestHandleReconnector(PersistentHandleManager manager, boolean shouldSucceed) {
            super(manager, 2, 50);
            this.shouldSucceed = shouldSucceed;
        }

        @Override
        protected boolean performReconnection(HandleInfo info) throws Exception {
            if (shouldSucceed) {

   * @throws NullPointerException if the specified element is null
   */
  @CanIgnoreReturnValue // pushed down from class to method
  @Override
  public boolean offer(E e) {
    Monitor monitor = this.monitor;
    monitor.enter();
    try {
      boolean ok = q.offer(e);
      if (!ok) {
        throw new AssertionError();
      }
      return true;
    } finally {
      monitor.leave();
    }
  }

  public void testRoundIntegralDoubleToInt() {
    for (double d : INTEGRAL_DOUBLE_CANDIDATES) {
      for (RoundingMode mode : ALL_SAFE_ROUNDING_MODES) {
        BigDecimal expected = new BigDecimal(d).setScale(0, mode);
        boolean isInBounds =
            expected.compareTo(MAX_INT_AS_BIG_DECIMAL) <= 0
                & expected.compareTo(MIN_INT_AS_BIG_DECIMAL) >= 0;

        try {

   *     null elements
   * @throws IllegalArgumentException if {@link Integer#MAX_VALUE} occurrences of {@code element}
   *     are already contained in this multiset
   */
  @CanIgnoreReturnValue
  @Override
  boolean add(@ParametricNullness E element);

  /**
   * Removes a number of occurrences of the specified element from this multiset. If the multiset