@Override
    public <T extends SmbSession> T unwrap(Class<T> type) {
        if (type.isAssignableFrom(this.getClass())) {
            return (T) this;
        }
        throw new ClassCastException();
    }

    /**
     * @return session increased usage count
     */
    public SmbSessionImpl acquire() {
        long usage = this.usageCount.incrementAndGet();

   * Objects.equals(o, element)} would return {@code true}. Otherwise returns {@code false}, even in
   * cases where {@link Collection#contains} might throw {@link NullPointerException} or {@link
   * ClassCastException}.
   */
  public static boolean contains(Iterable<?> iterable, @Nullable Object element) {
    if (iterable instanceof Collection) {
      Collection<?> collection = (Collection<?>) iterable;

   * undocumented and subject to change.
   *
   * <p>This method is not type-safe, as it may be called on a map with keys that are not mutually
   * comparable.
   *
   * @throws ClassCastException if the keys in {@code map} are not mutually comparable
   * @throws NullPointerException if any key or value in {@code map} is null

            return Iterators.asEnumeration(
                Arrays.<Object>asList(Integer.valueOf(123), "first").iterator());
          }
        };

    assertThrows(ClassCastException.class, () -> Maps.fromProperties(properties));
  }

  public void testAsConverter_nominal() throws Exception {
    ImmutableBiMap<String, Integer> biMap =
        ImmutableBiMap.of(
            "one", 1,

_2017-11-18_

 *  New: Recover gracefully when Android's DNS crashes with an unexpected
    `NullPointerException`.
 *  New: Recover gracefully when Android's socket connections crash with an
    unexpected `ClassCastException`.
 *  Fix: Don't include the URL's fragment in `encodedQuery()` when the query
    itself is empty.

## Version 3.9.0

_2017-09-03_