*
   * @param code Status code as defined by
   *     [Section 7.4 of RFC 6455](http://tools.ietf.org/html/rfc6455#section-7.4).
   * @param reason Reason for shutting down, no longer than 123 bytes of UTF-8 encoded data (**not** characters) or null.
   * @throws IllegalArgumentException if [code] is invalid or [reason] is too long.
   */
  fun close(
    code: Int,
    reason: String?,
  ): Boolean

    assertThat(formEncode(95)).isEqualTo("_")
    assertThat(formEncode(96)).isEqualTo("%60")
    assertThat(formEncode(97)).isEqualTo("a")
    assertThat(formEncode(122)).isEqualTo("z")
    assertThat(formEncode(123)).isEqualTo("%7B")
    assertThat(formEncode(124)).isEqualTo("%7C")
    assertThat(formEncode(125)).isEqualTo("%7D")
    assertThat(formEncode(126)).isEqualTo("%7E")
    assertThat(formEncode(127)).isEqualTo("%7F")

 * So, using the multimap shown above as an example, the {@link #size} is {@code 3}, not {@code 2},
 * and the {@link #values} collection is {@code [1, 2, 3]}, not {@code [[1, 2], [3]]}. For those
 * times when the first style is more useful, use the multimap's {@link #asMap} view (or create a
 * {@code Map<K, Collection<V>>} in the first place).
 *
 * <h3>Example</h3>
 *

        assertNotNull(tokens);
        assertEquals(4, tokens.size()); // Our simple tokenizer splits on '.' so 456.789 becomes 456 and 789
        assertEquals("123", tokens.get(0).getTerm());
        assertEquals("456", tokens.get(1).getTerm());
        assertEquals("0xFF", tokens.get(2).getTerm());
        assertEquals("3", tokens.get(3).getTerm());
    }

    @Test

    multimap.put("bar", 1);
    multimap.putAll("foo", asList(-1, 2, 4));
    multimap.putAll("bar", asList(2, 3));
    multimap.put("foo", 1);
    assertThat(multimap.toString()).isEqualTo("{foo=[3, -1, 2, 4, 1], bar=[1, 2, 3]}");
  }

  public void testOrderingReadOnly() {
    SetMultimap<String, Integer> multimap = initializeMultimap5();
    assertOrderingReadOnly(multimap);
  }

  public void testOrderingUnmodifiable() {

   * NumberFormatException} if the input string is invalid.
   *
   * <p><b>Warning:</b> please see {@link Long#decode} to understand exactly how strings are parsed.
   * For example, the string {@code "0123"} is treated as <i>octal</i> and converted to the value
   * {@code 83L}.
   *
   * @since 16.0
   */
  public static Converter<String, Long> stringConverter() {
    return LongConverter.INSTANCE;
  }

        @Test
        @DisplayName("Should handle various result codes correctly")
        void testVariousResultCodes() throws Exception {
            // Test all known result codes
            int[] validCodes = { 0, 1, 2, 3 };
            String[] expectedMessages = { null, // 0 returns null (no exception)
                    "DCERPC_BIND_ERR_ABSTRACT_SYNTAX_NOT_SUPPORTED", "DCERPC_BIND_ERR_PROPOSED_TRANSFER_SYNTAXES_NOT_SUPPORTED",

    @Test
    @DisplayName("getSigningKey delegates to underlying mechanism context")
    void testGetSigningKeyDelegates() throws Exception {
        SpnegoContext ctx = newContext();
        byte[] key = new byte[] { 1, 2, 3 };
        when(this.mechContext.getSigningKey()).thenReturn(key);
        assertSame(key, ctx.getSigningKey());
        verify(this.mechContext, times(1)).getSigningKey();
    }

    @Test

    assertThat(UnsignedBytes.join(",", new byte[] {(byte) 1})).isEqualTo("1");
    assertThat(UnsignedBytes.join(",", (byte) 1, (byte) 2)).isEqualTo("1,2");
    assertThat(UnsignedBytes.join("", (byte) 1, (byte) 2, (byte) 3)).isEqualTo("123");
    assertThat(UnsignedBytes.join(",", (byte) 128, (byte) -1)).isEqualTo("128,255");
  }

  private static boolean unsafeComparatorAvailable() {
    return UnsafeComparator.INSTANCE.isFunctional();
  }

        .testEquals();
  }

  @J2ktIncompatible
  @GwtIncompatible // SerializableTester
  public void testForMapWithDefaultSerializable() {
    checkCanReserialize(Functions.forMap(ImmutableMap.of(1, 2), 3));
  }

  public void testForMapWithDefault_null() {
    ImmutableMap<String, Integer> map = ImmutableMap.of("One", 1);
    Function<String, @Nullable Integer> function = Functions.forMap(map, null);