* don't know that anyone uses it there, anyway.
   */
  private enum NullnessAnnotationReader {
    @SuppressWarnings("Java7ApiChecker")
    FROM_DECLARATION_AND_TYPE_USE_ANNOTATIONS {
      @Override
      boolean isNullable(Invokable<?, ?> invokable) {
        return FROM_DECLARATION_ANNOTATIONS_ONLY.isNullable(invokable)
        ;

  @MustBeClosed
  public Stream<String> lines() throws IOException {
    BufferedReader reader = openBufferedStream();
    return reader.lines().onClose(() -> closeUnchecked(reader));
  }

  @SuppressWarnings("Java7ApiChecker")
  @IgnoreJRERequirement // helper for lines()
  /*
   * If we make these calls inline inside the lambda inside lines(), we get an Animal Sniffer error,

   * throws an {@code IllegalStateException}.)
   *
   * @since 33.2.0 (available since 21.0 in guava-jre)
   */
  @SuppressWarnings("Java7ApiChecker")
  @IgnoreJRERequirement // Users will use this only if they're already using streams.
  public static <T extends @Nullable Object, K, V>
      Collector<T, ?, ImmutableMap<K, V>> toImmutableMap(

   * Returns a {@code Collector} that accumulates the input elements into a new {@code
   * ImmutableList}, in encounter order.
   *
   * @since 33.2.0 (available since 21.0 in guava-jre)
   */
  @SuppressWarnings("Java7ApiChecker")
  @IgnoreJRERequirement // Users will use this only if they're already using streams.
  public static <E> Collector<E, ?, ImmutableList<E>> toImmutableList() {
    return CollectCollectors.toImmutableList();
  }

   * don't know that anyone uses it there, anyway.
   */
  private enum NullnessAnnotationReader {
    @SuppressWarnings("Java7ApiChecker")
    FROM_DECLARATION_AND_TYPE_USE_ANNOTATIONS {
      @Override
      boolean isNullable(Invokable<?, ?> invokable) {
        return FROM_DECLARATION_ANNOTATIONS_ONLY.isNullable(invokable)

   *
   * <p>To collect to an {@link ImmutableMultiset}, use {@link
   * ImmutableMultiset#toImmutableMultiset}.
   *
   * @since 33.2.0 (available since 22.0 in guava-jre)
   */
  @SuppressWarnings("Java7ApiChecker")
  @IgnoreJRERequirement // Users will use this only if they're already using streams.
  public static <T extends @Nullable Object, E extends @Nullable Object, M extends Multiset<E>>
      Collector<T, ?, M> toMultiset(

    }

    @Override
    public Integer get(int index) {
      checkElementIndex(index, size());
      return array[start + index];
    }

    @Override
    @SuppressWarnings("Java7ApiChecker")
    /*
     * This is an override that is not directly visible to callers, so NewApi will catch calls to
     * Collection.spliterator() where necessary.
     */
    @IgnoreJRERequirement

/**
 * Static utility methods related to {@code Stream} instances.
 *
 * @since NEXT (but since 21.0 in the JRE flavor)
 */
@GwtCompatible
@ElementTypesAreNonnullByDefault
@SuppressWarnings("Java7ApiChecker")
/*
 * Users will use most of these methods only if they're already using Stream. For a few other
 * methods, like stream(Iterable), we have to rely on users not to call them without library
 * desugaring.
 */

    }

    @Override
    public Double get(int index) {
      checkElementIndex(index, size());
      return array[start + index];
    }

    @Override
    @SuppressWarnings("Java7ApiChecker")
    /*
     * This is an override that is not directly visible to callers, so NewApi will catch calls to
     * Collection.spliterator() where necessary.
     */
    @IgnoreJRERequirement

    }

    @Override
    public Long get(int index) {
      checkElementIndex(index, size());
      return array[start + index];
    }

    @Override
    @SuppressWarnings("Java7ApiChecker")
    /*
     * This is an override that is not directly visible to callers, so NewApi will catch calls to
     * Collection.spliterator() where necessary.
     */
    @IgnoreJRERequirement