refreshIfEmpty();
      return delegate.size();
    }

    @Override
    /*
     * Most Multimap implementations use a List or Set (or even Multiset) for their values, in which
     * case Multimap equality works as expected. Users who use a Collection type that does not
     * implement equals(), such as most Queue implementations, will get the same behavior from our

    E[] array = (E[]) elements.toArray();
    /*
     * For a Set, we guess that it contains no duplicates. That's just a guess for purpose of
     * sizing; if the Set uses different equality semantics, it might contain duplicates according
     * to equals(), and we will deduplicate those properly, albeit at some cost in allocations.
     */
    int expectedSize =

 * that makes `java.net.URL` unusable for many things. It shouldn't be used as a [Map] key or in a
 * [Set]. Doing so is both inefficient because equality may require a DNS lookup, and incorrect
 * because unequal URLs may be equal because of how they are hosted.
 *
 * ### Equal URLs should be equal
 *

_2016-02-06_

 *  New: WebSockets now defer some writes. This should improve performance for
    some applications.
 *  New: Override `equals()` and `hashCode()` in our new cookie class. This
    class now defines equality by value rather than by reference.
 *  New: Handle 408 responses by retrying the request. This allows servers to
    direct clients to retry rather than failing permanently.

      Comparator<? super E> comparator) {
    return new TreeSet<>(checkNotNull(comparator));
  }

  /**
   * Creates an empty {@code Set} that uses identity to determine equality. It compares object
   * references, instead of calling {@code equals}, to determine whether a provided object matches
   * an element in the set. For example, {@code contains} returns {@code false} when passed an

    TypeToken<StringForFirstTypeArg<Integer>> subtype =
        new TypeToken<StringForFirstTypeArg<Integer>>() {};
    assertTrue(subtype.isSubtypeOf(supertype));

    // TODO(benyu): This should check equality to an expected value, see discussion in cl/98674873
    TypeToken<?> unused = supertype.getSubtype(subtype.getRawType());
  }

  public void testGetSubtype_baseClassWithNoTypeArgs() {

    TypeToken<StringForFirstTypeArg<Integer>> subtype =
        new TypeToken<StringForFirstTypeArg<Integer>>() {};
    assertTrue(subtype.isSubtypeOf(supertype));

    // TODO(benyu): This should check equality to an expected value, see discussion in cl/98674873
    TypeToken<?> unused = supertype.getSubtype(subtype.getRawType());
  }

  public void testGetSubtype_baseClassWithNoTypeArgs() {

     * smb://angus/share/data/../dir/foo.txt
     * </pre>
     *
     * </blockquote>
     *
     * @param obj
     *            Another <code>SmbFile</code> object to compare for equality
     * @return <code>true</code> if the two objects refer to the same SMB resource
     *         and <code>false</code> otherwise
     */

    @Override
    public boolean equals(final Object obj) {

- Added alpha field storageVersionHash to the discovery document for each resource. Its value must be treated as opaque by clients. Only equality comparison on the value is valid. ([#73191](https://github.com/kubernetes/kubernetes/pull/73191), [@caesarxuchao](https://github.com/caesarxuchao))

!= x2sq { t.Fatalf("all ones failed\nmul: %x\nsqr: %x\n", x2, x2sq) } } func TestEqual(t *testing.T) { x := Element{1, 1, 1, 1, 1} y := Element{5, 4, 3, 2, 1} eq := x.Equal(&x) if eq != 1 { t.Errorf("wrong about equality") } eq = x.Equal(&y) if eq != 0 { t.Errorf("wrong about inequality") } } func TestInvert(t *testing.T) { x := Element{1, 1, 1, 1, 1} one := Element{1, 0, 0, 0, 0} var xinv, r Element xinv.Invert(&x) r.Multiply(&x, &xinv) r.reduce() if one != r { t.Errorf("inversion identity failed,...