PeekingIterator<?> peekingIterator = Iterators.peekingIterator(iterator);

    assertEquals("A", peekingIterator.next());
    assertEquals("B", peekingIterator.peek());

    /* Should complain on attempt to remove() after peek(). */
    try {
      peekingIterator.remove();
      fail("remove() should throw IllegalStateException after a peek()");
    } catch (IllegalStateException e) {
      /* expected */
    }

  ContiguousSet<C> subSetImpl(
      C fromElement, boolean fromInclusive, C toElement, boolean toInclusive) {
    if (fromElement.compareTo(toElement) == 0 && !fromInclusive && !toInclusive) {
      // Range would reject our attempt to create (x, x).
      return new EmptyContiguousSet<>(domain);
    }
    return intersectionInCurrentDomain(
        Range.range(
            fromElement, BoundType.forBoolean(fromInclusive),

	if !client.IsOnline() {
		// make sure to check if the disk is offline, since the underlying
		// value is cached we should attempt to invalidate it if such calls
		// were attempted. This can lead to false success under certain conditions
		// - this change attempts to avoid stale information if the underlying
		// transport is already down.
		return "", errDiskNotFound
	}

      if (run) {
        result = runInterruptibly();
      }
    } catch (Throwable t) {
      restoreInterruptIfIsInterruptedException(t);
      error = t;
    } finally {
      // Attempt to set the task as done so that further attempts to interrupt will fail.
      if (!compareAndSet(currentThread, DONE)) {
        waitForInterrupt(currentThread);
      }
      if (run) {
        if (error == null) {

test:nonpip_filters --test_lang_filters=py --flaky_test_attempts=3 --test_size_filters=small,medium
test:nonpip --config=nonpip_filters -- //tensorflow/... -//tensorflow/python/integration_testing/... -//tensorflow/compiler/tf2tensorrt/... -//tensorflow/core/tpu/... -//tensorflow/lite/... -//tensorflow/tools/toolchains/...

# "pip tests" run a similar suite of tests the "nonpip" tests, but do something
# odd to attempt to validate the quality of the pip package. The wheel is

   * for {@code asMapOfRanges().iterator().remove()}.
   *
   * <p>The returned range map will throw an {@link IllegalArgumentException} on an attempt to
   * insert a range not {@linkplain Range#encloses(Range) enclosed} by {@code range}.
   */
  // TODO(cpovirk): Consider documenting that IAE on the various methods that can throw it.

		return err
	}

	// close everything before we delete.
	if err = gw.Close(); err != nil {
		return err
	}

	if err = r.Close(); err != nil {
		return err
	}

	// Attempt to remove after all fd's are closed.
	return os.Remove(oldLgFile)
}

func (w *Writer) rotate() error {
	if w.f != nil {
		if err := w.closeCurrentFile(); err != nil {
			return err
		}

      return if (!fieldType.isInstance(value)) null else fieldType.cast(value)
    } catch (_: NoSuchFieldException) {
    }

    c = c.superclass
  }

  // Didn't find the field we wanted. As a last gasp attempt,
  // try to find the value on a delegate.
  if (fieldName != "delegate") {
    val delegate = readFieldOrNull(instance, Any::class.java, "delegate")

    // In theory, wildcard rules are not restricted to having the wildcard in the leftmost position.
    // In practice, wildcards are always in the leftmost position. For now, this implementation
    // cheats and does not attempt every possible permutation. Instead, it only considers wildcards
    // in the leftmost position. We assert this fact when we generate the public suffix file. If

        if (result != null) {
            return result;
        }

        // second try, refetch all (possibly outdated) metadata that wasn't updated in the first attempt

        if (!request.getRepositorySession().isOffline() && !requests.isEmpty()) {
            DefaultRepositorySystemSession session = new DefaultRepositorySystemSession(request.getRepositorySession());