@GwtIncompatible
  public Class<K> keyType() {
    return keyTypeOrObjectUnderJ2cl;
  }

  /**
   * @serialData the key class, number of entries, first key, first value, second key, second value,
   *     and so on.
   */
  @GwtIncompatible // java.io.ObjectOutputStream
  private void writeObject(ObjectOutputStream stream) throws IOException {
    stream.defaultWriteObject();

        assertEquals(2, used, "Null path should result in command byte + NUL");
        assertEquals(0x04, buffer[0] & 0xFF, "First byte must still be 0x04");
        assertEquals(0, buffer[1], "Second byte must be null terminator");
    }

    @Test
    @DisplayName("writeBytesWireFormat handles empty string gracefully")
    void testWriteEmptyString() {

          serialNumber = it[1] as BigInteger,
          signature = it[2] as AlgorithmIdentifier,
          issuer = (it[3] as Pair<*, *>).second as List<List<AttributeTypeAndValue>>,
          validity = it[4] as Validity,
          subject = (it[5] as Pair<*, *>).second as List<List<AttributeTypeAndValue>>,
          subjectPublicKeyInfo = it[6] as SubjectPublicKeyInfo,
          issuerUniqueID = it[7] as BitString?,

    server.listener.assertClosed(1000, "Hi!")
    taskFaker.runTasks()
    assertThat(client.closed).isTrue()
    server.listener.assertExhausted() // Client should not have sent second close.
    client.listener.assertExhausted() // Server should not have sent second close.
  }

  @Test
  fun serverCloseBreaksReadMessageLoop() {
    server.webSocket!!.send("Hello!")
    server.webSocket!!.close(1000, "Bye!")

  }

  /**
   * Test to ensure we throw a read timeout on responses that are progressing too slowly.  For this
   * case, we take a 2KiB body and throttle it to 1KiB/second.  We set the read timeout to half a
   * second.  If our implementation is acting correctly, it will throw, as a byte doesn't arrive in
   * time.
   */
  @Test
  fun readTimeoutOnSlowConnection() {
    val body = repeat('y', 2048)

        // When
        DfFinalTimeZoneProvider provider = curtainBeforeHook.createFinalTimeZoneProvider();

        // Then
        TimeZone first = provider.provide();
        TimeZone second = provider.provide();
        assertSame(first, second, "Provider should return the same TimeZone instance");
    }

    @Test
    public void test_createFinalTimeZoneProvider_toStringContainsTimeZoneId() {
        // When

    ) -> Response:
        response.headers["X-Second"] = "2"
        return response

    @app.get("/")
    def endpoint(response: Annotated[Response, Depends(second_modifier)]):
        return {"status": "ok"}

    client = TestClient(app)
    resp = client.get("/")

    assert resp.status_code == 200
    assert resp.headers.get("X-First") == "1"
    assert resp.headers.get("X-Second") == "2"

     * </p>
     *
     * @param <T>
     *            the type of the array elements
     * @param a
     *            first array
     * @param b
     *            second array
     * @return the concatenated result array
     */
    public static <T> T[] addAll(final T[] a, final T[] b) {
        if (a == null) {
            return b;
        }
        if (b == null) {

  @GwtIncompatible
  public Class<K> keyType() {
    return keyTypeOrObjectUnderJ2cl;
  }

  /**
   * @serialData the key class, number of entries, first key, first value, second key, second value,
   *     and so on.
   */
  @GwtIncompatible // java.io.ObjectOutputStream
  private void writeObject(ObjectOutputStream stream) throws IOException {
    stream.defaultWriteObject();

   * @param first the first element
   * @param second the second element
   * @param rest an array of additional elements, possibly empty
   * @return an unmodifiable list containing the specified elements
   */
  public static <E extends @Nullable Object> List<E> asList(
      @ParametricNullness E first, @ParametricNullness E second, E[] rest) {
    return new TwoPlusArrayList<>(first, second, rest);
  }

  /**