* processing or telecommunication systems, more especially switching devices "on" or "off." (If a
   * single "stop" control is required to interrupt or turn off ancillary devices, DC4 is the
   * preferred assignment.)
   *
   * @since 8.0
   */
  public static final byte DC1 = 17; // aka XON

  /**

doubt that it had a VERY turn-up nose, much more like a snout
than a real nose; also its eyes were getting extremely small for
a baby:  altogether Alice did not like the look of the thing at
all.  `But perhaps it was only sobbing,' she thought, and looked
into its eyes again, to see if there were any tears.

  No, there were no tears.  `If you're going to turn into a pig,

   * collection {@code c}.
   *
   * <p>This method iterates over the specified collection {@code c}, checking each element returned
   * by the iterator in turn to see if it is contained in the specified collection {@code self}. If
   * all elements are so contained, {@code true} is returned, otherwise {@code false}.
   *

   * checkNotNull *should* be annotated to require it to be non-null.
   *
   * However, for a variety of reasons, Google developers have written a ton of code over the past
   * decade that assumes that they can use checkNotNull for non-precondition checks. I had hoped to
   * take a principled stand on this, but the amount of such code is simply overwhelming. To avoid

   * #enclosesAll(RangeSet) encloses} both the original range set and {@code other}.
   *
   * <p>This is equivalent to calling {@link #add} on each of the ranges in {@code other} in turn.
   *
   * @throws UnsupportedOperationException if this range set does not support the {@code addAll}
   *     operation
   */
  void addAll(RangeSet<C> other);

  /**

 * existing users, but it can't *fix* existing users because any users who needed
 * `Function<@Nullable A, @Nullable B>` already had to find a workaround. Still, there is a *ton* of
 * fallout from trying to switch. I would be shocked if the switch would offer benefits to anywhere
 * near enough users to justify the costs.
 *

    @Override
    public boolean contains(@CheckForNull Object target) {
      // Overridden to prevent a ton of boxing
      return (target instanceof Byte) && Bytes.indexOf(array, (Byte) target, start, end) != -1;
    }

    @Override
    public int indexOf(@CheckForNull Object target) {
      // Overridden to prevent a ton of boxing
      if (target instanceof Byte) {
        int i = Bytes.indexOf(array, (Byte) target, start, end);

    @Override
    public boolean contains(@CheckForNull Object target) {
      // Overridden to prevent a ton of boxing
      return (target instanceof Float) && Floats.indexOf(array, (Float) target, start, end) != -1;
    }

    @Override
    public int indexOf(@CheckForNull Object target) {
      // Overridden to prevent a ton of boxing
      if (target instanceof Float) {

   */
  abstract void afterRanInterruptiblyFailure(Throwable error);

  /**
   * Interrupts the running task. Because this internally calls {@link Thread#interrupt()} which can
   * in turn invoke arbitrary code it is not safe to call while holding a lock.
   */
  final void interruptTask() {
    // Since the Thread is replaced by DONE before run() invokes listeners or returns, if we succeed

   * collection {@code c}.
   *
   * <p>This method iterates over the specified collection {@code c}, checking each element returned
   * by the iterator in turn to see if it is contained in the specified collection {@code self}. If
   * all elements are so contained, {@code true} is returned, otherwise {@code false}.
   *