* subclasses during deserialization.
   */
  void setDelegates(Map<K, V> forward, Map<V, K> backward) {
    checkState(delegate == null);
    checkState(inverse == null);
    checkArgument(forward.isEmpty());
    checkArgument(backward.isEmpty());
    checkArgument(forward != backward);
    delegate = forward;
    inverse = makeInverse(backward);
  }

    public DynamicProperties(final String path) {
        this(path == null ? null : new File(path));
    }

    public DynamicProperties(final Path path) {
        this(path == null ? null : path.toFile());
    }

    public DynamicProperties(final File file) {
        // check path
        if (file == null) {
            throw new FileAccessException("ECL0108");
        }

    @Test
    public void testContaines() throws Exception {
        assertThat(list.contains(null), is(not(true)));
        assertThat(list.contains("1"), is(not(true)));
        list.addLast("1");
        assertThat(list.contains("1"), is(true));
        assertThat(list.contains("2"), is(not(true)));
        assertThat(list.contains(null), is(not(true)));
    }

    /**
     * @throws Exception
     */
    @Test

        String msg = req.getHeader("Authorization");
        if (msg != null && msg.startsWith("NTLM ")) {
            byte[] src = Base64.decode(msg.substring(5));
            if (src[8] == 1) {
                Type1Message type1 = new Type1Message(src);
                Type2Message type2 = new Type2Message(type1, challenge, null);
                msg = Base64.encode(type2.toByteArray());

        if (_conditionQuery != null) {
            QueryBuilder queryBuilder = _conditionQuery.getQuery();
            if (queryBuilder != null) {
                builder.setQuery(queryBuilder);
            }
            _conditionQuery.getFieldSortBuilderList().forEach(sort -> {
                builder.addSort(sort);
            });
        }

        if (_conditionAggregation != null) {

        if (_conditionQuery != null) {
            QueryBuilder queryBuilder = _conditionQuery.getQuery();
            if (queryBuilder != null) {
                builder.setQuery(queryBuilder);
            }
            _conditionQuery.getFieldSortBuilderList().forEach(sort -> {
                builder.addSort(sort);
            });
        }

        if (_conditionAggregation != null) {

   * find it when available. When this is null, use the slow way.
   */
  @J2ktIncompatible
  @GwtIncompatible // java.lang.reflect
  @CheckForNull
  private static final Method getStackTraceElementMethod = (jla == null) ? null : getGetMethod();

  /**
   * The "getStackTraceDepth" method, only available on some JDKs so we use reflection to find it
   * when available. When this is null, use the slow way.
   */

   */
  public static <E extends Comparable<? super E>> ImmutableSortedMultiset<E> of(E e1, E e2) {
    return copyOf(Ordering.natural(), Arrays.asList(e1, e2));
  }

  /**
   * Returns an immutable sorted multiset containing the given elements sorted by their natural
   * ordering.
   *
   * @throws NullPointerException if any element is null
   */

  }

  public void testExceptionThrown_whenCreatingCloseables() throws IOException {
    Closer closer = new Closer(suppressor);

    TestCloseable c1 = null;
    TestCloseable c2 = null;
    TestCloseable c3 = null;
    try {
      try {
        c1 = closer.register(TestCloseable.normal());
        c2 = closer.register(TestCloseable.normal());

        if (!getResponse.isExists()) {
            return null;
        }
        final Map<String, Object> map = getResponse.getSource();
        return map.get(key);
    }

    public String getAsString(final String key, final String defaultValue) {
        final Object obj = get(key);

        final String value;
        if (obj == null) {
            value = defaultValue;
        } else {