return;
    }
    int oldSize = map.size();
    if (map.size() < 2 || !supportsClear) {
      return;
    }
    Iterator<Entry<K, V>> iterator = map.entrySet().iterator();
    iterator.next(); // advance
    Entry<K, V> secondEntry = iterator.next();
    K key = secondEntry.getKey();
    SortedMap<K, V> subMap = map.tailMap(key);
    int subMapSize = subMap.size();
    subMap.clear();

      return;
    }
    int oldSize = map.size();
    if (map.size() < 2 || !supportsClear) {
      return;
    }
    Iterator<Entry<K, V>> iterator = map.entrySet().iterator();
    iterator.next(); // advance
    Entry<K, V> secondEntry = iterator.next();
    K key = secondEntry.getKey();
    SortedMap<K, V> subMap = map.tailMap(key);
    int subMapSize = subMap.size();
    subMap.clear();

          if (advanceTo(nextEntry) || nextInChain()) {
            return true;
          }
        }
      }
      return false;
    }

    /**
     * Advances to the given entry. Returns true if the entry was valid, false if it should be
     * skipped.
     */
    boolean advanceTo(ReferenceEntry<K, V> entry) {
      try {

 * streams.
 *
 * <p><i>Performance notes:</i> Unless otherwise noted, all of the iterables produced in this class
 * are <i>lazy</i>, which means that their iterators only advance the backing iteration when
 * absolutely necessary.
 *
 * <p>See the Guava User Guide article on <a href=
 * "https://github.com/google/guava/wiki/CollectionUtilitiesExplained#iterables">{@code
 * Iterables}</a>.
 *

  }

  static void expireEntries(LocalCache<?, ?> cchm, long expiringTime, FakeTicker ticker) {

    for (Segment<?, ?> segment : cchm.segments) {
      drainRecencyQueue(segment);
    }

    ticker.advance(2 * expiringTime, TimeUnit.MILLISECONDS);

    long now = ticker.read();
    for (Segment<?, ?> segment : cchm.segments) {
      expireEntries(segment, now);

then, when you've cleared all the jelly-fish out of the way--'

  `THAT generally takes some time,' interrupted the Gryphon.

  `--you advance twice--'

  `Each with a lobster as a partner!' cried the Gryphon.

  `Of course,' the Mock Turtle said:  `advance twice, set to
partners--'

  `--change lobsters, and retire in same order,' continued the
Gryphon.