return hash == that.asLong();
    }

    private static final long serialVersionUID = 0;
  }

  /**
   * Creates a {@code HashCode} from a byte array. The array is defensively copied to preserve the
   * immutability contract of {@code HashCode}. The array cannot be empty.
   *
   * @since 15.0 (since 12.0 in HashCodes)
   */
  public static HashCode fromBytes(byte[] bytes) {

    // that have the same key. Then a second pass will remove all but the first of the slots that
    // have this Entry. The value in the map becomes false when this first entry has been copied, so
    // we know not to copy the remaining ones.
    IdentityHashMap<Entry<K, V>, Boolean> duplicates = null;
    int dupCount = 0;
    for (int entryIndex = n - 1; entryIndex >= 0; entryIndex--) {

   * MultimapBuilder.hashKeys().arrayListValues().build(multimap)}, which provides more control over
   * the underlying data structure.
   *
   * @param multimap the multimap whose contents are copied to this multimap
   */
  public static <K extends @Nullable Object, V extends @Nullable Object>
      ArrayListMultimap<K, V> create(Multimap<? extends K, ? extends V> multimap) {
    return new ArrayListMultimap<>(multimap);

 * </ul>
 *
 * <p>Disadvantages compared to {@code long[]}:
 *
 * <ul>
 *   <li>Memory footprint has a fixed overhead (about 24 bytes per instance).
 *   <li><i>Some</i> construction use cases force the data to be copied (though several construction
 *       APIs are offered that don't).
 *   <li>Can't be passed directly to methods that expect {@code long[]} (though the most common
 *       utilities do have replacements here).

 * </ul>
 *
 * <p>Disadvantages compared to {@code int[]}:
 *
 * <ul>
 *   <li>Memory footprint has a fixed overhead (about 24 bytes per instance).
 *   <li><i>Some</i> construction use cases force the data to be copied (though several construction
 *       APIs are offered that don't).
 *   <li>Can't be passed directly to methods that expect {@code int[]} (though the most common
 *       utilities do have replacements here).

      if (this.domain.equals(that.domain)) {
        return this.first().equals(that.first()) && this.last().equals(that.last());
      }
    }
    return super.equals(object);
  }

  // copied to make sure not to use the GWT-emulated version
  @Override
  public int hashCode() {
    return Sets.hashCodeImpl(this);
  }

  @GwtIncompatible
  @J2ktIncompatible

    return Iterators.getOnlyElement(iterable.iterator(), defaultValue);
  }

  /**
   * Copies an iterable's elements into an array.
   *
   * @param iterable the iterable to copy
   * @param type the type of the elements
   * @return a newly-allocated array into which all the elements of the iterable have been copied
   */
  @GwtIncompatible // Array.newInstance(Class, int)

   * set of size {@code m x n x p}, its actual memory consumption is much smaller. When the
   * cartesian set is constructed, the input sets are merely copied. Only as the resulting set is
   * iterated are the individual lists created, and these are not retained after iteration.
   *
   * @param sets the sets to choose elements from, in the order that the elements chosen from those

          </execution>
        </executions>
      </plugin>
    </plugins>
    <resources>
      <resource>
        <directory>src</directory>
      </resource>
      <!-- src-super is copied to guava-gwt-sources (so that we can strip its @Nullable annotations), so we don't need to list it here. We may want to arrange something similar for test-super someday. -->

    return Iterators.getOnlyElement(iterable.iterator(), defaultValue);
  }

  /**
   * Copies an iterable's elements into an array.
   *
   * @param iterable the iterable to copy
   * @param type the type of the elements
   * @return a newly-allocated array into which all the elements of the iterable have been copied
   */
  @GwtIncompatible // Array.newInstance(Class, int)