ListenableFuture<Object> input =
        UncheckedThrowingFuture.throwingRuntimeException(new SomeUncheckedException());

    // We'd catch only SomeUncheckedException.class here, but then the test won't compile under GWT.
    ListenableFuture<Object> output =
        catching(input, Throwable.class, identity(), directExecutor());
    assertThat(getDone(output)).isInstanceOf(SomeUncheckedException.class);
  }

    ListenableFuture<Object> input =
        UncheckedThrowingFuture.throwingRuntimeException(new SomeUncheckedException());

    // We'd catch only SomeUncheckedException.class here, but then the test won't compile under GWT.
    ListenableFuture<Object> output =
        catching(input, Throwable.class, identity(), directExecutor());
    assertThat(getDone(output)).isInstanceOf(SomeUncheckedException.class);
  }

   * memory, so it is only likely to be worthwhile if the precomputed matcher is queried very often.
   *
   * <p>This method has no effect (returns {@code this}) when called in GWT: it's unclear whether a
   * precomputed matcher is faster, but it certainly would consume more memory (which doesn't seem
   * like a worthwhile tradeoff in a browser).
   */
  public CharMatcher precomputed() {

 * to prioritize memory over CPU.
 *
 * @author Dimitris Andreou
 * @author Jon Noack
 */
@GwtIncompatible // not worth using in GWT for now
class CompactHashSet<E extends @Nullable Object> extends AbstractSet<E> implements Serializable {
  // TODO(user): cache all field accesses in local vars

  /** Creates an empty {@code CompactHashSet} instance. */

   * memory, so it is only likely to be worthwhile if the precomputed matcher is queried very often.
   *
   * <p>This method has no effect (returns {@code this}) when called in GWT: it's unclear whether a
   * precomputed matcher is faster, but it certainly would consume more memory (which doesn't seem
   * like a worthwhile tradeoff in a browser).
   */
  public CharMatcher precomputed() {

   */
  public static <K, V> ImmutableSetMultimap<K, V> copyOf(
      Multimap<? extends K, ? extends V> multimap) {
    checkNotNull(multimap); // eager for GWT

    /*
     * TODO(cpovirk): When given an ImmutableSetMultimap that has a non-null valueComparator, should
     * we always return a new instance with a null valueComparator, as we already do if the input is

 * {@code 0x7F}), and to strings containing such characters.
 *
 * <p>ASCII utilities also exist in other classes of this package:
 *
 * <ul>
 *   <!-- TODO(kevinb): how can we make this not produce a warning when building gwt javadoc? -->
 *   <li>{@link StandardCharsets#US_ASCII} specifies the {@code Charset} of ASCII characters.
 *   <li>{@link CharMatcher#ascii} matches ASCII characters and provides text processing methods

   */
  public static <K, V> ImmutableSetMultimap<K, V> copyOf(
      Multimap<? extends K, ? extends V> multimap) {
    checkNotNull(multimap); // eager for GWT

    /*
     * TODO(cpovirk): When given an ImmutableSetMultimap that has a non-null valueComparator, should
     * we always return a new instance with a null valueComparator, as we already do if the input is

          return super.setValue(checkNotNull(value));
        }

        @Override
        public boolean equals(@Nullable Object object) {
          // TODO(lowasser): identify why this affects GWT tests
          return standardEquals(object);
        }
      };
    }
  }

  /**
   * {@inheritDoc}
   *
   * <p>The returned map's views have iterators that don't support {@code remove()}.

 *
 * <p>The successor to Guava's caching API is <a
 * href="https://github.com/ben-manes/caffeine/wiki">Caffeine</a>. Its API is designed to make it a
 * nearly drop-in replacement. Note that it is not available for Android or GWT/J2CL and that it may
 * have <a href="https://github.com/ben-manes/caffeine/wiki/Guava">different (usually better)
 * behavior</a> when multiple threads attempt concurrent mutations. Its equivalent to {@code
 * CacheBuilder} is its <a