}

    /**
     * Configure this client to retry or not when a connectivity problem is encountered. By default,
     * this client silently recovers from the following problems:
     *
     * * **Unreachable IP addresses.** If the URL's host has multiple IP addresses,
     *   failure to reach any individual IP address doesn't fail the overall request. This can
     *   increase availability of multi-homed services.
     *

    }

    @Override
    public Set<Entry<K, V>> entries() {
      return map.entrySet();
    }

    @Override
    Collection<Entry<K, V>> createEntries() {
      throw new AssertionError("unreachable");
    }

    @Override
    Multiset<K> createKeys() {
      return new Multimaps.Keys<K, V>(this);
    }

    @Override
    Iterator<Entry<K, V>> entryIterator() {

    }

    @Override
    public Set<Entry<K, V>> entries() {
      return map.entrySet();
    }

    @Override
    Collection<Entry<K, V>> createEntries() {
      throw new AssertionError("unreachable");
    }

    @Override
    Multiset<K> createKeys() {
      return new Multimaps.Keys<K, V>(this);
    }

    @Override
    Iterator<Entry<K, V>> entryIterator() {

   * Specifies that each value (not key) stored in the cache should be wrapped in a {@link
   * WeakReference} (by default, strong references are used).
   *
   * <p>Weak values will be garbage collected once they are weakly reachable. This makes them a poor
   * candidate for caching; consider {@link #softValues} instead.
   *
   * <p><b>Note:</b> when this method is used, the resulting cache will use identity ({@code ==})

 * The host identifies the webserver that serves the URL's resource. It is either a hostname like
 * `square.com` or `localhost`, an IPv4 address like `192.168.0.1`, or an IPv6 address like `::1`.
 *
 * Usually a webserver is reachable with multiple identifiers: its IP addresses, registered
 * domain names, and even `localhost` when connecting from the server itself. Each of a web server's