private Iterable<LoadingCache<Object, Object>> caches() {
    // lots of different ways to configure a LoadingCache
    CacheBuilderFactory factory = cacheFactory();
    return Iterables.transform(
        factory.buildAllPermutations(),
        new Function<CacheBuilder<Object, Object>, LoadingCache<Object, Object>>() {
          @Override

        public String transformEntry(String key, String value) {
          return DECODE_FUNCTION.apply(value);
        }
      };

  static TestSuite transformSuite() {
    TestSuite suite = new TestSuite("Maps.transform");
    suite.addTest(transformMapSuite());
    suite.addTest(transformSortedMapSuite());
    suite.addTest(transformNavigableMapSuite());
    return suite;
  }

  static TestSuite transformMapSuite() {

        assertTrue(encrypted.length > plaintext.length, "Encrypted message should be larger than plaintext");

        // Verify transform header is present (first 52 bytes)
        assertTrue(encrypted.length >= 52, "Encrypted message should include transform header");

        // When - Decrypt
        byte[] decrypted = context.decryptMessage(encrypted);

        // Then - Verify decryption

                if (responseProcessor instanceof DefaultResponseProcessor) {
                    final Transformer transformer = ((DefaultResponseProcessor) responseProcessor).getTransformer();
                    final ResultData resultData = transformer.transform(responseData);
                    final Object rawData = resultData.getRawData();
                    if (rawData != null) {

        NodeIterator nodeItr = new NodeIterator(index);
        return new TransformedListIterator<Entry<K, V>, V>(nodeItr) {
          @Override
          @ParametricNullness
          V transform(Entry<K, V> entry) {
            return entry.getValue();
          }

          @Override
          public void set(@ParametricNullness V value) {
            nodeItr.setValue(value);
          }

        public String transformEntry(String key, String value) {
          return DECODE_FUNCTION.apply(value);
        }
      };

  static TestSuite transformSuite() {
    TestSuite suite = new TestSuite("Maps.transform");
    suite.addTest(transformMapSuite());
    suite.addTest(transformSortedMapSuite());
    suite.addTest(transformNavigableMapSuite());
    return suite;
  }

  static TestSuite transformMapSuite() {

      // Must be manually synchronized.
      return new TransformedIterator<Map.Entry<K, Collection<V>>, Map.Entry<K, Collection<V>>>(
          super.iterator()) {
        @Override
        Map.Entry<K, Collection<V>> transform(Map.Entry<K, Collection<V>> entry) {
          return new ForwardingMapEntry<K, Collection<V>>() {
            @Override
            protected Map.Entry<K, Collection<V>> delegate() {
              return entry;

      // Must be manually synchronized.
      return new TransformedIterator<Map.Entry<K, Collection<V>>, Map.Entry<K, Collection<V>>>(
          super.iterator()) {
        @Override
        Map.Entry<K, Collection<V>> transform(Map.Entry<K, Collection<V>> entry) {
          return new ForwardingMapEntry<K, Collection<V>>() {
            @Override
            protected Map.Entry<K, Collection<V>> delegate() {
              return entry;

   * element.
   */
  public static <F extends @Nullable Object, T extends @Nullable Object> Iterator<T> transform(
      Iterator<F> fromIterator, Function<? super F, ? extends T> function) {
    checkNotNull(function);
    return new TransformedIterator<F, T>(fromIterator) {
      @ParametricNullness
      @Override
      T transform(@ParametricNullness F from) {
        return function.apply(from);
      }
    };
  }

      Iterator<Entry<E>> entryIterator) {
    return new TransformedIterator<Entry<E>, E>(entryIterator) {
      @Override
      @ParametricNullness
      E transform(Entry<E> entry) {
        return entry.getElement();
      }
    };
  }

  abstract static class ElementSet<E extends @Nullable Object> extends Sets.ImprovedAbstractSet<E> {