}

  public ImmutableSortedSet<E> headSet(E toElement) {
    checkNotNull(toElement);
    try {
      return unsafeDelegateSortedSet(sortedDelegate.headSet(toElement), true);
    } catch (IllegalArgumentException e) {
      return emptySet(comparator());
    }
  }

  @CheckForNull
  E higher(E e) {
    checkNotNull(e);
    Iterator<E> iterator = tailSet(e).iterator();
    while (iterator.hasNext()) {

    ArrayList<Integer> bigger = Lists.newArrayListWithCapacity(256);
    assertEquals(emptyList(), bigger);
  }

  public void testNewArrayListWithCapacity_negative() {
    assertThrows(IllegalArgumentException.class, () -> Lists.newArrayListWithCapacity(-1));
  }

  public void testNewArrayListWithExpectedSize() {
    ArrayList<Integer> list = newArrayListWithExpectedSize(0);
    assertEquals(emptyList(), list);

    ArrayList<Integer> bigger = Lists.newArrayListWithCapacity(256);
    assertEquals(emptyList(), bigger);
  }

  public void testNewArrayListWithCapacity_negative() {
    assertThrows(IllegalArgumentException.class, () -> Lists.newArrayListWithCapacity(-1));
  }

  public void testNewArrayListWithExpectedSize() {
    ArrayList<Integer> list = newArrayListWithExpectedSize(0);
    assertEquals(emptyList(), list);

   *       href="https://github.com/google/guava/wiki/GraphsExplained#graph-elements-nodes-and-edges">
   *       graph elements</a> for details)
   * </ul>
   *
   * @throws IllegalArgumentException if {@code node} is not an element of this graph
   */
  Iterable<? extends N> successors(N node);

   *
   * @param map place to store the mapping from each key to its corresponding values
   * @param factory supplier of new, empty collections that will each hold all values for a given
   *     key
   * @throws IllegalArgumentException if {@code map} is not empty
   */
  public static <K extends @Nullable Object, V extends @Nullable Object> Multimap<K, V> newMultimap(
      Map<K, Collection<V>> map, final Supplier<? extends Collection<V>> factory) {

  @MapFeature.Require(SUPPORTS_PUT)
  @CollectionSize.Require(ZERO)
  public void testPutWithSameValueFails() {
    getMap().put(k0(), v0());
    assertThrows(IllegalArgumentException.class, () -> getMap().put(k1(), v0()));
    // verify that the bimap is unchanged
    expectAdded(e0());
  }

  @MapFeature.Require(SUPPORTS_PUT)
  @CollectionSize.Require(ZERO)

   *       href="https://github.com/google/guava/wiki/GraphsExplained#graph-elements-nodes-and-edges">
   *       graph elements</a> for details)
   * </ul>
   *
   * @throws IllegalArgumentException if {@code node} is not an element of this graph
   */
  Iterable<? extends N> predecessors(N node);

            .createTestSuite());
    suite.addTestSuite(ImmutableListMultimapTest.class);
    return suite;
  }

  public void testBuilderWithExpectedKeysNegative() {
    assertThrows(
        IllegalArgumentException.class, () -> ImmutableListMultimap.builderWithExpectedKeys(-1));
  }

  public void testBuilderWithExpectedKeysZero() {
    ImmutableListMultimap.Builder<String, String> builder =

  }

  @GwtIncompatible // stringConverter
  public void testStringConverter_convertError() {
    Converter<String, TestEnum> converter = Enums.stringConverter(TestEnum.class);
    assertThrows(IllegalArgumentException.class, () -> converter.convert("xxx"));
  }

  @GwtIncompatible // stringConverter
  public void testStringConverter_reverse() {
    Converter<String, TestEnum> converter = Enums.stringConverter(TestEnum.class);

     * <tt>NbtAddress</tt>.
     * 
     * @param addr
     *            wrapped address
     */
    public UniAddress ( Object addr ) {
        if ( addr == null ) {
            throw new IllegalArgumentException();
        }
        this.addr = addr;
    }


    /**
     * Return the IP address of this address as a 32 bit integer.
     */

    @Override
    public int hashCode () {