ExtendedSmbTree middle = smbTree.unwrap(ExtendedSmbTree.class);
        CustomSmbTree inner = middle.unwrap(CustomSmbTree.class);

        assertNotNull(middle, "Middle tree should not be null");
        assertNotNull(inner, "Inner tree should not be null");
        assertSame(middleTree, middle, "Should return correct middle tree");

        // Test constructor with nested exception causes
        Exception rootCause = new IllegalStateException("Root cause");
        Exception middleCause = new RuntimeException("Middle cause", rootCause);
        String message = "Top level dictionary error";
        DictionaryException exception = new DictionaryException(message, middleCause);

        assertNotNull(exception);

        Throwable middleCause = new IllegalStateException("Middle cause", rootCause);
        ScheduledJobException exception = new ScheduledJobException("Top level error", middleCause);

        assertEquals("Top level error", exception.getMessage());
        assertEquals(middleCause, exception.getCause());
        assertEquals("Middle cause", exception.getCause().getMessage());

    assertEquals("Should be able to peek() at middle element", "B", peekingIterator.peek());
    assertEquals(
        "Should be able to peek() middle element multiple times", "B", peekingIterator.peek());
    assertEquals(
        "next() should still return middle element after peeking", "B", peekingIterator.next());

        void testToStringWithNestedExceptions() {
            Exception innermost = new IOException("Innermost exception");
            Exception middle = new RuntimeException("Middle exception", innermost);
            Exception rootCause = new IllegalStateException("Outer exception", middle);
            TransportException exception = new TransportException("Transport failed", rootCause);

            String result = exception.toString();

    }

    /**
     * Test getMessageByDcerpcError() with a known error code (middle element).
     */
    @Test
    void testGetMessageByDcerpcError_middleElement() {
        String message = DcerpcException.getMessageByDcerpcError(DcerpcError.DCERPC_FAULT_INVALID_TAG);
        assertEquals("DCERPC_FAULT_INVALID_TAG", message, "Should return correct message for middle element.");
    }

    /**

                Arguments.of(makeSeq(8), 0, 8, 0), // full copy at index 0
                Arguments.of(makeSeq(10), 2, 5, 3), // middle slice, non-zero dst index
                Arguments.of(makeSeq(4), 4, 0, 0), // zero-length slice at end
                Arguments.of(makeSeq(16), 7, 3, 0), // small slice from middle
                Arguments.of(makeSeq(16), 0, 0, 5) // zero-length with non-zero dst index
        );
    }

        // Test constructor with nested exception causes
        Throwable rootCause = new IllegalArgumentException("Root cause");
        Throwable middleCause = new IllegalStateException("Middle cause", rootCause);
        String message = "Command execution failed with nested exception";

        CommandExecutionException exception = new CommandExecutionException(message, middleCause);

[data-ty] {
    display: block;
    line-height: 2;
}

[data-ty]:before {
    /* Set up defaults and ensure empty lines are displayed. */
    content: '';
    display: inline-block;
    vertical-align: middle;
}

[data-ty="input"]:before,
[data-ty-prompt]:before {
    margin-right: 0.75em;
    color: var(--color-text-subtle);
}

[data-ty="input"]:before {
    content: '$';
}

        value = "\"\"\"start\"\"\",\"\"\"middle\"\"\",\"\"\"end\"\"\"";
        result = KuromojiCSVUtil.parse(value);
        assertEquals(3, result.length);
        assertEquals("\"\"start\"\"", result[0]);
        assertEquals("\"\"middle\"\"", result[1]);
        assertEquals("\"\"\"end\"\"\"", result[2]);

        // Complex escaped scenario - only middle field gets unquoted (no internal quotes)