Here, Bill! catch hold of this rope--Will the roof bear?--Mind
that loose slate--Oh, it's coming down!  Heads below!' (a loud
crash)--`Now, who did that?--It was Bill, I fancy--Who's to go
down the chimney?--Nay, I shan't! YOU do it!--That I won't,
then!--Bill's to go down--Here, Bill! the master says you're to
go down the chimney!'

  `Oh! So Bill's got to come down the chimney, has he?' said
Alice to herself.  `Shy, they seem to put everything upon Bill!

Here, Bill! catch hold of this rope--Will the roof bear?--Mind
that loose slate--Oh, it's coming down!  Heads below!' (a loud
crash)--`Now, who did that?--It was Bill, I fancy--Who's to go
down the chimney?--Nay, I shan't! YOU do it!--That I won't,
then!--Bill's to go down--Here, Bill! the master says you're to
go down the chimney!'

  `Oh! So Bill's got to come down the chimney, has he?' said
Alice to herself.  `Shy, they seem to put everything upon Bill!

      }
    }

    /**
     * Performs eviction if the segment is over capacity. Avoids flushing the entire cache if the
     * newest entry exceeds the maximum weight all on its own.
     *
     * @param newest the most recently added entry
     */
    @GuardedBy("this")
    void evictEntries(ReferenceEntry<K, V> newest) {
      if (!map.evictsBySize()) {
        return;
      }

    future2.set(2L);
    future2 = null;

    /*
     * Futures should be collected even if combiner never runs. This is kind of a silly test, since
     * the combiner is almost certain to hold its own reference to the futures, and a real app would
     * hold a reference to the executor and thus to the combiner. What we really care about is that

    Preconditions.checkNotNull(valueEquivalence);

    Map<K, V> onlyOnLeft = newLinkedHashMap();
    Map<K, V> onlyOnRight = new LinkedHashMap<>(right); // will whittle it down
    Map<K, V> onBoth = newLinkedHashMap();
    Map<K, MapDifference.ValueDifference<V>> differences = newLinkedHashMap();
    doDifference(left, right, valueEquivalence, onlyOnLeft, onlyOnRight, onBoth, differences);

    future2.set(2L);
    future2 = null;

    /*
     * Futures should be collected even if combiner never runs. This is kind of a silly test, since
     * the combiner is almost certain to hold its own reference to the futures, and a real app would
     * hold a reference to the executor and thus to the combiner. What we really care about is that

      }
    }

    /**
     * Performs eviction if the segment is over capacity. Avoids flushing the entire cache if the
     * newest entry exceeds the maximum weight all on its own.
     *
     * @param newest the most recently added entry
     */
    @GuardedBy("this")
    void evictEntries(ReferenceEntry<K, V> newest) {
      if (!map.evictsBySize()) {
        return;
      }