before, `and things are worse than ever,' thought the poor child,
`for I never was so small as this before, never!  And I declare
it's too bad, that it is!'

  As she said these words her foot slipped, and in another
moment, splash! she was up to her chin in salt water.  Her first
idea was that she had somehow fallen into the sea, `and in that
case I can go back by railway,' she said to herself.  (Alice had

            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 {
        long now = ticker.read();
        K key = entry.getKey();
        V value = getLiveValue(entry, now);

before, `and things are worse than ever,' thought the poor child,
`for I never was so small as this before, never!  And I declare
it's too bad, that it is!'

  As she said these words her foot slipped, and in another
moment, splash! she was up to her chin in salt water.  Her first
idea was that she had somehow fallen into the sea, `and in that
case I can go back by railway,' she said to herself.  (Alice had

            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 {
        long now = ticker.read();
        K key = entry.getKey();
        V value = getLiveValue(entry, now);