* Constructor for ICUNormalizer.
     * @param transliteratorId The ID of the transliterator to use.
     * @throws IllegalArgumentException if transliteratorId is null or invalid
     */
    public ICUNormalizer(final String transliteratorId) {
        if (transliteratorId == null) {
            throw new IllegalArgumentException("transliteratorId must not be null");
        }
        try {

    assertNodeNotInGraphErrorMessage(
        assertThrows(IllegalArgumentException.class, () -> graph.adjacentNodes(N1)));
    assertNodeNotInGraphErrorMessage(
        assertThrows(IllegalArgumentException.class, () -> graph.predecessors(N1)));
    assertNodeNotInGraphErrorMessage(
        assertThrows(IllegalArgumentException.class, () -> graph.successors(N1)));
    assertNodeNotInGraphErrorMessage(

     * Constructs a ContentCache with the given byte array data.
     *
     * @param data the byte array containing the content
     * @throws IllegalArgumentException if data is null
     */
    public ContentCache(final byte[] data) {
        if (data == null) {
            throw new IllegalArgumentException("data must not be null");
        }
        this.data = data.clone();
        this.file = null;
    }

    /**

        void testConstructorWithStringInvalidCharacter() {
            // Arrange
            String invalidUuid = "00112233-4455-6677-8899-AABBCCDDEXX"; // 'X' is invalid

            // Act & Assert
            assertThrows(IllegalArgumentException.class, () -> new UUID(invalidUuid),
                    "Should throw IllegalArgumentException for invalid character in UUID string");

    void testConstructorWithNullHttpRequest(@Mock Principal mockPrincipal) {
        // HttpServletRequestWrapper throws IllegalArgumentException for null request
        IllegalArgumentException ex = assertThrows(IllegalArgumentException.class, () -> new NtlmHttpServletRequest(null, mockPrincipal));
        assertEquals("Request cannot be null", ex.getMessage());
    }

    @Test

        // Test that invalid valueOf throws exception
        assertThrows(IllegalArgumentException.class, () -> {
            WitnessServiceType.valueOf("INVALID_TYPE");
        });

        assertThrows(IllegalArgumentException.class, () -> {
            WitnessVersion.valueOf("INVALID_VERSION");
        });

        assertThrows(IllegalArgumentException.class, () -> {
            WitnessEventType.valueOf("INVALID_EVENT");

        assertThrows(IllegalArgumentException.class, () -> InputValidator.validateArrayBounds(null, 0, dst, 0, 10));
        assertThrows(IllegalArgumentException.class, () -> InputValidator.validateArrayBounds(src, 0, null, 0, 10));
        assertThrows(IllegalArgumentException.class, () -> InputValidator.validateArrayBounds(src, -1, dst, 0, 10));

        }

        @Test
        @DisplayName("Should create exception with root cause")
        void testConstructorWithRootCause() {
            Exception rootCause = new IllegalArgumentException("Root cause exception");
            TransportException exception = new TransportException(rootCause);

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

              e -> e instanceof ConcurrentModificationException)
          .put(ExecutionException.class, e -> e instanceof ExecutionException)
          .put(IllegalArgumentException.class, e -> e instanceof IllegalArgumentException)
          .put(IllegalStateException.class, e -> e instanceof IllegalStateException)
          .put(IndexOutOfBoundsException.class, e -> e instanceof IndexOutOfBoundsException)

    }

    @Test
    void testMapInformationLevelWithInvalidLevel() {
        // Test invalid information level
        IllegalArgumentException exception =
                assertThrows(IllegalArgumentException.class, () -> Trans2QueryPathInformation.mapInformationLevel(999));
        assertTrue(exception.getMessage().contains("Unsupported information level"));
    }

    @Test