`There's no sort of use in knocking,' said the Footman, `and
that for two reasons.  First, because I'm on the same side of the
door as you are; secondly, because they're making such a noise
inside, no one could possibly hear you.'  And certainly there was
a most extraordinary noise going on within--a constant howling
and sneezing, and every now and then a great crash, as if a dish
or kettle had been broken to pieces.

      ValueReference<K, V> valueReference = null;
      LoadingValueReference<K, V> loadingValueReference = null;
      boolean createNewEntry = true;

      lock();
      try {
        // re-read ticker once inside the lock
        long now = map.ticker.read();
        preWriteCleanup(now);

        int newCount = this.count - 1;
        AtomicReferenceArray<ReferenceEntry<K, V>> table = this.table;

  // This test covers a bug where an Error thrown from a callback could cause the TimeoutFuture to
  // never complete when timing out.  Notably, nothing would get logged since the Error would get
  // stuck in the ScheduledFuture inside of TimeoutFuture and nothing ever calls get on it.

  // Simulate a timeout that fires before the call the SES.schedule returns but the future is
  // already completed.

  // This test covers a bug where an Error thrown from a callback could cause the TimeoutFuture to
  // never complete when timing out.  Notably, nothing would get logged since the Error would get
  // stuck in the ScheduledFuture inside of TimeoutFuture and nothing ever calls get on it.

  // Simulate a timeout that fires before the call the SES.schedule returns but the future is
  // already completed.

   * about heavyweight listeners are also applicable to heavyweight functions passed to this method.
   * (Specifically, {@code directExecutor} functions should avoid heavyweight operations inside
   * {@code AsyncClosingFunction.apply}. Any heavyweight operations should occur in other threads
   * responsible for completing the returned {@code ClosingFuture}.)
   *

      ValueReference<K, V> valueReference = null;
      LoadingValueReference<K, V> loadingValueReference = null;
      boolean createNewEntry = true;

      lock();
      try {
        // re-read ticker once inside the lock
        long now = map.ticker.read();
        preWriteCleanup(now);

        int newCount = this.count - 1;
        AtomicReferenceArray<ReferenceEntry<K, V>> table = this.table;

  `There's no sort of use in knocking,' said the Footman, `and
that for two reasons.  First, because I'm on the same side of the
door as you are; secondly, because they're making such a noise
inside, no one could possibly hear you.'  And certainly there was
a most extraordinary noise going on within--a constant howling
and sneezing, and every now and then a great crash, as if a dish
or kettle had been broken to pieces.