return future instanceof FluentFuture
        ? (FluentFuture<V>) future
        : new ForwardingFluentFuture<V>(future);
  }

  /**
   * Simply returns its argument.
   *
   * @deprecated no need to use this
   * @since 28.0
   */
  @InlineMe(
      replacement = "checkNotNull(future)",
      staticImports = "com.google.common.base.Preconditions.checkNotNull")

     */
    @SuppressWarnings("static-access")
    @Test
    public void testFormat() {
        exception.expect(ClIllegalArgumentException.class);
        exception.expectMessage(is("[ECL0009]argument[AUTL0009] is illegal. because messageCode : AUTL0009."));
        Logger.format("AUTL0009", "hoge");
    }

    /** Array of method parameter types */
    protected final Class<?>[] parameterTypes;

    /** The return type of the method */
    protected final Class<?> returnType;

    /** Information about parameterized argument types */
    protected final ParameterizedClassDesc[] parameterizedClassDescs;

    /** Information about the parameterized return type */
    protected final ParameterizedClassDesc parameterizedClassDesc;

    /**

   *
   * @since 33.4.0 (but since 21.0 in the JRE flavor)
   */
  public interface FunctionWithIndex<T extends @Nullable Object, R extends @Nullable Object> {
    /** Applies this function to the given argument and its index within a stream. */
    @ParametricNullness
    R apply(@ParametricNullness T from, long index);
  }

  /*

     * Uses default buffer size and no output callback.
     *
     * @param sessionId unique identifier for the process session
     * @param cmdList list of command and arguments to execute
     * @param pbCall callback to configure the ProcessBuilder
     * @return JobProcess representing the started process
     */

    /**
     * Returns an instance created by invoking the constructor.
     *
     * @param <T>
     *            The type of the Bean to be created
     * @param args
     *            The arguments for the constructor
     * @return An instance created by invoking the constructor
     */
    <T> T newInstance(Object... args);

    }

    /**
     * Returns a formatted message string.
     *
     * @param messageCode
     *            Message code. Must not be {@literal null} or empty string.
     * @param args
     *            Arguments
     * @return Formatted message string
     */
    public static LogMessage format(final String messageCode, final Object... args) {
        assertArgumentNotEmpty("messageCode", messageCode);

        assertTrue(exception.getStackTrace().length > 0);
    }

    public void test_nestedExceptions() {
        // Test nested exceptions
        Exception innerCause = new IllegalArgumentException("Invalid argument");
        Exception middleCause = new RuntimeException("Runtime error", innerCause);
        WebApiException exception = new WebApiException(400, middleCause);

        assertEquals(400, exception.getStatusCode());

    }

    public void test_constructor_withNullMessageAndCause() {
        // Test constructor with null message but valid cause
        Exception cause = new IllegalArgumentException("Invalid argument");
        DictionaryException exception = new DictionaryException(null, cause);

        assertNotNull(exception);
        assertNull(exception.getMessage());
        assertNotNull(exception.getCause());

   * {@code enumClass} using {@link Enum#valueOf(Class, String)} and {@link Enum#name()}. The
   * converter will throw an {@code IllegalArgumentException} if the argument is not the name of any
   * enum constant in the specified enum.
   *
   * @since 16.0
   */
  public static <T extends Enum<T>> Converter<String, T> stringConverter(Class<T> enumClass) {