assertNoTypeVariable(new From<Integer>().new To<String>() {}.type());
    assertHasTypeVariable(new From<Integer>().new To<T>() {}.type());
    assertHasTypeVariable(new From<T>().new To<String>() {}.type());

    // both subclassed
    assertHasTypeVariable(new From<T>() {}.new To<String>() {}.type());
    assertNoTypeVariable(new From<Integer>() {}.new To<String>() {}.type());

   * Removes every element that satisfies the provided predicate from the iterator. The iterator
   * will be left exhausted: its {@code hasNext()} method will return {@code false}.
   *
   * @param removeFrom the iterator to (potentially) remove elements from
   * @param predicate a predicate that determines whether an element should be removed
   * @return {@code true} if any elements were removed from the iterator
   * @since 2.0
   */

    Iterator<Integer> result =
        Iterators.transform(
            input,
            new Function<String, Integer>() {
              @Override
              public Integer apply(String from) {
                return Integer.valueOf(from);
              }
            });

    List<Integer> actual = Lists.newArrayList(result);
    List<Integer> expected = asList(1, 2, 3);
    assertEquals(expected, actual);
  }

   *
   * <p>If the mapped keys contain duplicates (according to the specified comparator), an {@code
   * IllegalArgumentException} is thrown when the collection operation is performed. (This differs
   * from the {@code Collector} returned by {@link Collectors#toMap(Function, Function)}, which
   * throws an {@code IllegalStateException}.)
   *
   * @since 33.2.0 (available since 21.0 in guava-jre)
   */

   * is fine with that.
   */

  /**
   * Ensures that {@code index} specifies a valid <i>element</i> in an array, list or string of size
   * {@code size}. An element index may range from zero, inclusive, to {@code size}, exclusive.
   *
   * @param index a user-supplied index identifying an element of an array, list or string
   * @param size the size of that array, list or string

        ClosingFuture.whenAllSucceed(
                ClosingFuture.from(immediateFuture(closeable1)),
                ClosingFuture.from(immediateFuture(closeable2)),
                ClosingFuture.from(immediateFuture("value3")),
                ClosingFuture.from(immediateFuture("value4")),
                ClosingFuture.from(immediateFuture("value5")))
            .call(
                waiter.waitFor(

    assertNoTypeVariable(new From<Integer>().new To<String>() {}.type());
    assertHasTypeVariable(new From<Integer>().new To<T>() {}.type());
    assertHasTypeVariable(new From<T>().new To<String>() {}.type());

    // both subclassed
    assertHasTypeVariable(new From<T>() {}.new To<String>() {}.type());
    assertNoTypeVariable(new From<Integer>() {}.new To<String>() {}.type());

   *
   * @param sequence the character sequence to examine from the beginning
   * @return an index, or {@code -1} if no character matches
   */
  public int indexIn(CharSequence sequence) {
    return indexIn(sequence, 0);
  }

  /**
   * Returns the index of the first matching BMP character in a character sequence, starting from a
   * given position, or {@code -1} if no character matches after that position.

 * common ways to create a {@code ListenableFuture} include instantiating a {@link SettableFuture},
 * submitting a task to a {@link ListeningExecutorService}, and deriving a {@code Future} from an
 * existing one, typically using methods like {@link Futures#transform(ListenableFuture,
 * com.google.common.base.Function, java.util.concurrent.Executor) Futures.transform} and {@link

   *
   * <p>If the mapped keys contain duplicates (according to the specified comparator), an {@code
   * IllegalArgumentException} is thrown when the collection operation is performed. (This differs
   * from the {@code Collector} returned by {@link Collectors#toMap(Function, Function)}, which
   * throws an {@code IllegalStateException}.)
   *
   * @since 21.0
   */
  public static <T extends @Nullable Object, K, V>