scriptEngineFactory.add("nullEngine", new ScriptEngine() {
            @Override
            public Object evaluate(String template, Map<String, Object> paramMap) {
                return null;
            }
        });

        // Execute and verify null result
        Object result = scriptExecutor.execute("nullEngine", "test");
        assertNull(result);
    }

  public void testAnd_iterableDefensivelyCopied() {
    List<Predicate<Object>> list = new ArrayList<>();
    Iterable<Predicate<Object>> iterable =
        new Iterable<Predicate<Object>>() {
          @Override
          public Iterator<Predicate<Object>> iterator() {
            return list.iterator();
          }
        };
    Predicate<Object> predicate = Predicates.and(iterable);
    assertTrue(predicate.apply(1));

        return ITEM_ENDPOINT_SUFFIX;
    }

    @Override
    protected Map<String, Object> createTestParam(int id) {
        final Map<String, Object> requestBody = new HashMap<>();
        return requestBody;
    }

    @Override
    protected Map<String, Object> getUpdateMap() {
        final Map<String, Object> updateMap = new HashMap<>();
        return updateMap;
    }

    @AfterEach

      implements Serializable {
    final Object delegate;

    DelegatingInvocationHandler(Object delegate) {
      this.delegate = checkNotNull(delegate);
    }

    @Override
    protected Object handleInvocation(Object proxy, Method method, Object[] args) throws Throwable {
      return method.invoke(delegate, args);
    }

    @Override

    private ParamMap<Object, Object> createSnakeMap() {
        final Map<Object, Object> map = new HashMap<>();
        map.put("aaa", "111");
        map.put("aaa_bbb", "222");
        map.put("aaa_bbb_ccc", "333");
        map.put("ccc.ddd", "444");
        return new ParamMap<>(map);
    }

    private ParamMap<Object, Object> createCamelMap() {
        final Map<Object, Object> map = new HashMap<>();

@GwtCompatible
@Immutable(containerOf = {"R", "C", "V"})
final class SparseImmutableTable<R, C, V> extends RegularImmutableTable<R, C, V> {
  static final ImmutableTable<Object, Object, Object> EMPTY =
      new SparseImmutableTable<>(
          ImmutableList.<Cell<Object, Object, Object>>of(), ImmutableSet.of(), ImmutableSet.of());

  private final ImmutableMap<R, ImmutableMap<C, V>> rowMap;
  private final ImmutableMap<C, ImmutableMap<R, V>> columnMap;

     */
    public Kerb5Authenticator(Subject subject) {
        this.subject = subject;
    }

    /**
     * Construct a <code>Kerb5Authenticator</code> object with <code>Subject</code> and
     * potential NTLM fallback (if the server does not support kerberos).
     *
     * @param subject
     *            represents the user who perform Kerberos authentication. Should at least contain a TGT for the user.
     * @param domain

    T proxy =
        Reflection.newProxy(
            interfaceType,
            new AbstractInvocationHandler() {
              @Override
              protected Object handleInvocation(Object p, Method m, @Nullable Object[] args)
                  throws Throwable {
                throw exception;
              }
            });
    T wrapper = wrapperFunction.apply(proxy);
    try {

        // Test: update settings api
        final Map<String, Object> updateMap = getUpdateMap();
        final Map<String, Object> searchBody = createSearchBody(SEARCH_ALL_NUM);
        List<Map<String, Object>> settings = getItemList(searchBody);

        for (Map<String, Object> setting : settings) {
            final Map<String, Object> requestBody = new HashMap<>(updateMap);
            final String idKey = getIdKey();

  @SuppressWarnings("unchecked") // TODO(cpovirk): Consider storing Entry<?, ?>[] instead.
  static final RegularImmutableBiMap<Object, Object> EMPTY =
      new RegularImmutableBiMap<>(
          null, null, (Entry<Object, Object>[]) ImmutableMap.EMPTY_ENTRY_ARRAY, 0, 0);

  static final double MAX_LOAD_FACTOR = 1.2;

  private final transient @Nullable ImmutableMapEntry<K, V> @Nullable [] keyTable;