this.name = name;
      this.parameterTypes = parameterTypes;
    }

    @Override
    public boolean equals(@Nullable Object obj) {
      if (obj instanceof Signature) {
        Signature that = (Signature) obj;
        return name.equals(that.name) && parameterTypes.equals(that.parameterTypes);
      }
      return false;
    }

    @Override
    public int hashCode() {

                return s.equals("b") || s.equals("d") || s.equals("f");
              }
            }));
    assertEquals(newArrayList("a", "c", "e"), list);
    assertFalse(
        removeIf(
            list,
            new Predicate<String>() {
              @Override
              public boolean apply(String s) {
                return s.equals("x") || s.equals("y") || s.equals("z");
              }

    @Override
    @J2ktIncompatible // serialization
    @GwtIncompatible // serialization
    Object writeReplace() {
      return super.writeReplace();
    }
  }

  @Override
  public boolean equals(@CheckForNull Object obj) {
    return Lists.equalsImpl(this, obj);
  }

  @Override
  public int hashCode() {
    int hashCode = 1;
    int n = size();
    for (int i = 0; i < n; i++) {

    StandardImplForwardingSet(Set<T> backingSet) {
      this.backingSet = backingSet;
    }

    @Override
    protected Set<T> delegate() {
      return backingSet;
    }

    @Override
    public boolean equals(@Nullable Object object) {
      return standardEquals(object);
    }

    @Override
    public int hashCode() {
      return standardHashCode();
    }

    @Override

          .put(com.google.common.base.Optional.class, com.google.common.base.Optional.absent())
          .put(Predicate.class, Predicates.alwaysTrue())
          .put(Equivalence.class, Equivalence.equals())
          .put(Ticker.class, Ticker.systemTicker())
          .put(Stopwatch.class, Stopwatch.createUnstarted())
          // io types
          .put(InputStream.class, new ByteArrayInputStream(new byte[0]))

  public boolean contains(@CheckForNull Object object) {
    if (object instanceof Entry) {
      Entry<?, ?> entry = (Entry<?, ?>) object;
      V value = map().get(entry.getKey());
      return value != null && value.equals(entry.getValue());
    }
    return false;
  }

  @Override
  boolean isPartialView() {
    return map().isPartialView();
  }

  @Override
  @GwtIncompatible // not used in GWT

    @Secured({ ROLE })
    public HtmlResponse upgradeFrom(final UpgradeForm form) {
        validate(form, messages -> {}, this::asIndexHtml);
        verifyToken(this::asIndexHtml);

        if (VERSION_13_0.equals(form.targetVersion)) {
            try {
                upgradeFrom13_0();
                upgradeFrom13_1();
                upgradeFrom13_2();
                upgradeFrom13_3();
                upgradeFrom13_4();

        Iterators.removeIf(
            list.iterator(),
            new Predicate<String>() {
              @Override
              public boolean apply(String s) {
                return s.equals("b") || s.equals("d") || s.equals("f");
              }
            }));
    assertEquals(newArrayList("a", "c", "e"), list);
    assertFalse(
        Iterators.removeIf(
            list.iterator(),

    public Spliterator<Double> spliterator() {
      return parent.spliterator();
    }

    @Override
    public boolean equals(@CheckForNull Object object) {
      if (object instanceof AsList) {
        AsList that = (AsList) object;
        return this.parent.equals(that.parent);
      }
      // We could delegate to super now but it would still box too much
      if (!(object instanceof List)) {

        Cut<K> upperBound = entry.getLowerBound();
        if (!lowerBound.equals(upperBound)) {
          gaps.put(lowerBound, new RangeMapEntry<K, V>(lowerBound, upperBound, value));
        }
        lowerBound = entry.getUpperBound();
      }
      if (!lowerBound.equals(range.upperBound)) {
        gaps.put(lowerBound, new RangeMapEntry<K, V>(lowerBound, range.upperBound, value));
      }