code: @GuardedBy("evictionLock")
    void expireAfterWriteEntries(long now) {
      if (!expiresAfterWrite()) {
        return;
      }
      long duration = expiresAfterWriteNanos();
      for (;;) {
        final Node<K, V> node = writeOrderDeque().peekFirst();
        if ((node == null) || ((now - node.getWriteTime()) < duration)) {
          break;
        }
        evictEntry(node, RemovalCause.EXPIRED, now);
      }
    }
docs: Expires entries on the write-order queue.