* Futures#transform(ListenableFuture, Function, Executor) Futures.transform}, but you will often
 * find it easier to use a framework. Frameworks automate the process, often adding features like
 * monitoring, debugging, and cancellation. Examples of frameworks include:
 *
 * <ul>
 *   <li><a href="https://dagger.dev/producers.html">Dagger Producers</a>
 * </ul>
 *

        .that(step3.statusFuture().isCancelled())
        .isTrue();
    // Its closeable is still open.
    assertStillOpen(closeable3);

    // Step 4 is not cancelled, because it caught the cancellation.
    assertWithMessage("step4.statusFuture().isCancelled()")
        .that(step4.statusFuture().isCancelled())
        .isFalse();
    // Its closeable isn't closed yet.
    assertStillOpen(closeable4);

        .that(step3.statusFuture().isCancelled())
        .isTrue();
    // Its closeable is still open.
    assertStillOpen(closeable3);

    // Step 4 is not cancelled, because it caught the cancellation.
    assertWithMessage("step4.statusFuture().isCancelled()")
        .that(step4.statusFuture().isCancelled())
        .isFalse();
    // Its closeable isn't closed yet.
    assertStillOpen(closeable4);