Map.entry("n", new NumberFieldType("n", NumberType.LONG, false, false, true, true, null, Map.of(), null, false, null))
    );
    private final IndexFieldDataCache fieldDataCache = new IndexFieldDataCache.None();
    private final CircuitBreakerService breakerService = new NoneCircuitBreakerService();
    private SearchLookup lookup = new SearchLookup(
        fieldTypes::get,

        final LlmChatResponse response = new LlmChatResponse("Initial");
        response.setContent(null);
        response.setFinishReason(null);
        response.setPromptTokens(null);
        response.setCompletionTokens(null);
        response.setTotalTokens(null);
        response.setModel(null);

        assertNull(response.getContent());
        assertNull(response.getFinishReason());

        helper
            .add(SHORT_NAME, "x")
            .add(LONG_NAME, "y")
            .add(SHORT_NAME, null)
            .add(LONG_NAME, null)
            .addValue("z")
            .addValue("")
            .addValue(null)
            .add(SHORT_NAME, Arrays.asList("A"))
            .add(LONG_NAME, Arrays.asList("B"))
            .add(SHORT_NAME, Arrays.asList())

        // Act & Assert
        assertNotNull(impl, "Implementation instance should not be null");
        assertTrue(SessionSetupHandler.class.isInstance(impl), "Instance should be assignable to interface");
        assertTrue(SessionSetupHandler.class.isAssignableFrom(impl.getClass()), "Type should be assignable");
    }

    @Test
    @DisplayName("Edge: null is not an instance of the interface")
    void testNullIsNotInstance() {
        // Assert

    public void testHandleInfoExpiration() {
        // Test durable handle expiration
        HandleInfo durableInfo = new HandleInfo("/test/file.txt", testGuid, testFileId, HandleType.DURABLE_V2, 100, // 100ms timeout
                null);

        assertFalse(durableInfo.isExpired());

        // Wait for expiration
        try {
            Thread.sleep(150);
        } catch (InterruptedException e) {

      when (val protocol = sslSocket.applicationProtocol) {
        null, "" -> null
        else -> protocol
      }
    } catch (e: UnsupportedOperationException) {
      // https://docs.oracle.com/javase/9/docs/api/javax/net/ssl/SSLSocket.html#getApplicationProtocol--
      null
    }

  @SuppressLint("NewApi")
  override fun configureTlsExtensions(
    sslSocket: SSLSocket,

    }

    @Override
    public @Nullable Integer next(Integer value) {
      int i = value;
      return (i == Integer.MAX_VALUE) ? null : i + 1;
    }

    @Override
    public @Nullable Integer previous(Integer value) {
      int i = value;
      return (i == Integer.MIN_VALUE) ? null : i - 1;
    }

    @Override
    Integer offset(Integer origin, long distance) {
      checkNonnegative(distance, "distance");

     * @return the element type if this field is a parameterized {@link Collection}, otherwise {@literal null}
     */
    Class<?> getElementClassOfCollection();

    /**
     * Returns the key type if this field is a parameterized {@link Map}.
     *
     * @return the key type if this field is a parameterized {@link Map}, otherwise {@literal null}
     */
    Class<?> getKeyClassOfMap();

    /**

  private var constructed = false

  private var peekedHeader: DerHeader? = null

  private val bytesLeft: Long
    get() = if (limit == -1L) -1L else (limit - byteCount)

  fun hasNext(): Boolean = peekHeader() != null

  /**
   * Returns the next header to process unless this scope is exhausted.
   *
   * This returns null if:
   *
   *  * The stream is exhausted.

        try {
            assertNull(actionHook.godHandPrologue(null, runtime -> null));
            assertNull(actionHook.godHandMonologue(null, runtime -> null));
            actionHook.godHandEpilogue(null, runtime -> {});
            assertNull(actionHook.hookBefore(null, runtime -> null));
            actionHook.hookFinally(null, runtime -> {});
            assertTrue(true);
        } catch (Exception e) {