*
   * @throws UnsupportedOperationException always
   * @deprecated <b>Pass keys of type {@code Comparable} to use {@link
   *     ImmutableSortedMap#of(Comparable, Object, Comparable, Object, Comparable, Object,
   *     Comparable, Object, Comparable, Object)}.</b>
   */
  @DoNotCall("Pass keys of type Comparable")
  @Deprecated
  public static <K, V> ImmutableSortedMap<K, V> of(

   *
   * @throws UnsupportedOperationException always
   * @deprecated <b>Pass keys of type {@code Comparable} to use {@link
   *     ImmutableSortedMap#of(Comparable, Object, Comparable, Object, Comparable, Object,
   *     Comparable, Object, Comparable, Object)}.</b>
   */
  @DoNotCall("Pass keys of type Comparable")
  @Deprecated
  public static <K, V> ImmutableSortedMap<K, V> of(

   *
   * @since 20.0 (varargs overload since 2.0)
   */
  @CanIgnoreReturnValue
  public static <T> T checkNotNull(
      @CheckForNull T reference,
      String errorMessageTemplate,
      @CheckForNull Object p1,
      @CheckForNull Object p2,
      @CheckForNull Object p3,
      @CheckForNull Object p4) {
    if (reference == null) {

    Set<Integer> x = set(1, 2);
    Set<String> y = set("3", "4");

    List<Object> exp1 = list((Object) 1, "3");
    List<Object> exp2 = list((Object) 1, "4");
    List<Object> exp3 = list((Object) 2, "3");
    List<Object> exp4 = list((Object) 2, "4");

    assertThat(Sets.<Object>cartesianProduct(x, y))
        .containsExactly(exp1, exp2, exp3, exp4)
        .inOrder();
  }

  }

  static <R extends @Nullable Object, C extends @Nullable Object, V extends @Nullable Object>
      Table<R, C, V> table(Table<R, C, V> table, @CheckForNull Object mutex) {
    return new SynchronizedTable<>(table, mutex);
  }

  static final class SynchronizedTable<
          R extends @Nullable Object, C extends @Nullable Object, V extends @Nullable Object>

    }
  }

  /**
   * Any object can be the result of a Future, and not every object has a reasonable toString()
   * implementation. Using a reconstruction of the default Object.toString() prevents OOMs and stack
   * overflows, and helps avoid sensitive data inadvertently ending up in exception messages.
   */
  private void appendResultObject(StringBuilder builder, @CheckForNull Object o) {
    if (o == null) {

  @SuppressWarnings("unused")
  public void testTransformEntriesGenerics() {
    Map<Object, Object> map1 = ImmutableMap.<Object, Object>of(1, 2);
    Map<Object, Number> map2 = ImmutableMap.<Object, Number>of(1, 2);
    Map<Object, Integer> map3 = ImmutableMap.<Object, Integer>of(1, 2);
    Map<Number, Object> map4 = ImmutableMap.<Number, Object>of(1, 2);
    Map<Number, Number> map5 = ImmutableMap.<Number, Number>of(1, 2);

  @SuppressWarnings("unused")
  public void testTransformEntriesGenerics() {
    Map<Object, Object> map1 = ImmutableMap.<Object, Object>of(1, 2);
    Map<Object, Number> map2 = ImmutableMap.<Object, Number>of(1, 2);
    Map<Object, Integer> map3 = ImmutableMap.<Object, Integer>of(1, 2);
    Map<Number, Object> map4 = ImmutableMap.<Number, Object>of(1, 2);
    Map<Number, Number> map5 = ImmutableMap.<Number, Number>of(1, 2);

    assertEquals(Object.class, TypeToken.of(int[].class).getSupertype(Object.class).getType());
    assertEquals(int[][].class, TypeToken.of(int[][].class).getSupertype(int[][].class).getType());
    assertEquals(
        Object[].class, TypeToken.of(String[].class).getSupertype(Object[].class).getType());
    assertEquals(Object.class, TypeToken.of(String[].class).getSupertype(Object.class).getType());
  }

    ClosingFuture<Object> closingFuture =
        ClosingFuture.whenAllSucceed(
                ClosingFuture.eventuallyClosing(immediateFuture(closeable1), closingExecutor),
                failedClosingFuture())
            .call(
                new ClosingFunction2<TestCloseable, Object, Object>() {
                  @Override
                  public Object apply(DeferredCloser closer, TestCloseable v1, Object v2)