if (compareAndUpdateState(OPEN, WILL_CLOSE)) {
      logger.get().log(FINER, "will close {0}", this);
      future.addListener(
          new Runnable() {
            @Override
            public void run() {
              checkAndUpdateState(WILL_CLOSE, CLOSING);
              close();
              checkAndUpdateState(CLOSING, CLOSED);
            }
          },

  `Tut, tut, child!' said the Duchess.  `Everything's got a
moral, if only you can find it.'  And she squeezed herself up
closer to Alice's side as she spoke.

  Alice did not much like keeping so close to her:  first,
because the Duchess was VERY ugly; and secondly, because she was
exactly the right height to rest her chin upon Alice's shoulder,
and it was an uncomfortably sharp chin.  However, she did not

          range.lowerBoundType() == BoundType.CLOSED,
          range.upperEndpoint(),
          range.upperBoundType() == BoundType.CLOSED);
    } else if (range.hasLowerBound()) {
      return map.tailMap(range.lowerEndpoint(), range.lowerBoundType() == BoundType.CLOSED);
    } else if (range.hasUpperBound()) {
      return map.headMap(range.upperEndpoint(), range.upperBoundType() == BoundType.CLOSED);
    }
    return checkNotNull(map);

  private static AssertionError newAssertionError(String message, Throwable cause) {
    AssertionError e = new AssertionError(message);
    e.initCause(cause);
    return e;
  }

  // catchingAsync tests cloned from the old withFallback tests:

  public void testCatchingAsync_inputDoesNotRaiseException() throws Exception {
    AsyncFunction<Throwable, Integer> fallback = unexpectedAsyncFunction();

  `Tut, tut, child!' said the Duchess.  `Everything's got a
moral, if only you can find it.'  And she squeezed herself up
closer to Alice's side as she spoke.

  Alice did not much like keeping so close to her:  first,
because the Duchess was VERY ugly; and secondly, because she was
exactly the right height to rest her chin upon Alice's shoulder,
and it was an uncomfortably sharp chin.  However, she did not

  private static AssertionError newAssertionError(String message, Throwable cause) {
    AssertionError e = new AssertionError(message);
    e.initCause(cause);
    return e;
  }

  // catchingAsync tests cloned from the old withFallback tests:

  public void testCatchingAsync_inputDoesNotRaiseException() throws Exception {
    AsyncFunction<Throwable, Integer> fallback = unexpectedAsyncFunction();

    public LoadingValueReference() {
      this(LocalCache.<K, V>unset());
    }

    /*
     * TODO(cpovirk): Consider making this implementation closer to the mainline implementation.
     * (The difference was introduced as part of Java-8-specific changes in cl/132882204, but we
     * could probably make *some* of those changes here in the backport, too.)
     */