ListenableFuture<Bar> f2 = transformAsync(f1, function, directExecutor());
    f1.cancel(true);
    assertTrue(f2.isCancelled());
    /*
     * We might like to propagate interruption, too, but it's not clear that it matters. For now, we
     * test for the behavior that we have today.
     */
    assertFalse(((AbstractFuture<?>) f2).wasInterrupted());
  }

  @J2ktIncompatible

    ListenableFuture<Bar> f2 = transformAsync(f1, function, directExecutor());
    f1.cancel(true);
    assertTrue(f2.isCancelled());
    /*
     * We might like to propagate interruption, too, but it's not clear that it matters. For now, we
     * test for the behavior that we have today.
     */
    assertFalse(((AbstractFuture<?>) f2).wasInterrupted());
  }

  @J2ktIncompatible

       * not work. (Under Android in particular, we really should check the API Level instead of
       * probing for methods....) But it's hard to imagine how reachabilityFence in particular could
       * exist but throw, so we propagate anything that's thrown, presumably an unchecked Exception
       * or Error.
       */
      throwIfUnchecked(e.getCause());
      throw new AssertionError(e.getCause());
    }
  }

      if (result.isDone()) {
        try {
          return Uninterruptibles.getUninterruptibly(result);
        } catch (Throwable t) {
          // don't let refresh exceptions propagate; error was already logged
        }
      }
      return null;
    }

    /**
     * Returns a newly inserted {@code LoadingValueReference}, or null if the live value reference