* returns the low 64 bits of the result.
   *
   * @since 14.0
   */
  public UnsignedLong plus(UnsignedLong val) {
    return fromLongBits(this.value + checkNotNull(val).value);
  }

  /**
   * Returns the result of subtracting this and {@code val}. If the result would have more than 64
   * bits, returns the low 64 bits of the result.
   *
   * @since 14.0
   */
  public UnsignedLong minus(UnsignedLong val) {

A7D6          ; mapped                 ; A7D7          # 14.0 LATIN CAPITAL LETTER MIDDLE SCOTS S
A7D7          ; valid                                  # 14.0 LATIN SMALL LETTER MIDDLE SCOTS S
A7D8          ; mapped                 ; A7D9          # 14.0 LATIN CAPITAL LETTER SIGMOID S
A7D9          ; valid                                  # 14.0 LATIN SMALL LETTER SIGMOID S

   * returns the low 32 bits of the result.
   *
   * @since 14.0
   */
  public UnsignedInteger plus(UnsignedInteger val) {
    return fromIntBits(this.value + checkNotNull(val).value);
  }

  /**
   * Returns the result of subtracting this and {@code val}. If the result would be negative,
   * returns the low 32 bits of the result.
   *
   * @since 14.0
   */
  public UnsignedInteger minus(UnsignedInteger val) {

 *
 * @author Chris Povirk
 * @since 14.0
 */
@CheckReturnValue
@GwtIncompatible
public abstract class AbstractListeningExecutorService extends AbstractExecutorService
    implements ListeningExecutorService {
  /** Constructor for use by subclasses. */
  public AbstractListeningExecutorService() {}

  /**
   * @since 19.0 (present with return type {@code ListenableFutureTask} since 14.0)
   */

   *
   * <p><b>{@code Stream} equivalent:</b> {@link Stream#flatMap} (using a function that produces
   * streams, not iterables).
   *
   * @since 13.0 (required {@code Function<E, Iterable<T>>} until 14.0)
   */
  public <T extends @Nullable Object> FluentIterable<T> transformAndConcat(
      Function<? super E, ? extends Iterable<? extends T>> function) {
    return FluentIterable.concat(transform(function));
  }

   *
   * <p><b>{@code Stream} equivalent:</b> {@link Stream#flatMap} (using a function that produces
   * streams, not iterables).
   *
   * @since 13.0 (required {@code Function<E, Iterable<T>>} until 14.0)
   */
  public <T extends @Nullable Object> FluentIterable<T> transformAndConcat(
      Function<? super E, ? extends Iterable<? extends T>> function) {
    return FluentIterable.concat(transform(function));
  }

      <version>1.1.1</version>
      <version>1.2.0</version>
      <version>1.2.1</version>
      <version>1.3.0</version>
      <version>1.3.1</version>
      <version>1.3.2</version>
      <version>1.4.0</version>
      <version>1.4.1</version>
      <version>1.4.2</version>
      <version>1.4.3</version>
      <version>1.5.0</version>
      <version>1.5.1</version>
      <version>1.5.2</version>

  }

  /**
   * @since 13.0
   */
  @Override
  public final void addListener(Listener listener, Executor executor) {
    delegate.addListener(listener, executor);
  }

  /**
   * @since 14.0
   */
  @Override
  public final Throwable failureCause() {
    return delegate.failureCause();
  }

  /**
   * @since 15.0
   */
  @CanIgnoreReturnValue
  @Override

 *       typically implemented by opening a stream using one of the methods in the first category,
 *       doing something and finally closing the stream or channel that was opened.
 * </ul>
 *
 * @since 14.0
 * @author Colin Decker
 */
@J2ktIncompatible
@GwtIncompatible
public abstract class ByteSink {

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

  /**

 *       typically implemented by opening a stream using one of the methods in the first category,
 *       doing something and finally closing the stream or channel that was opened.
 * </ul>
 *
 * @since 14.0
 * @author Colin Decker
 */
@J2ktIncompatible
@GwtIncompatible
public abstract class ByteSink {

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

  /**