}
    }

    @Nested
    @DisplayName("Edge Case Tests")
    class EdgeCaseTests {

        @Test
        @DisplayName("UUID with mixed case should parse correctly")
        void testMixedCaseUuid() {
            // Arrange
            String mixedCaseUuid = "00112233-4455-6677-8899-AaBbCcDdEeFf";

            // Act

    val contentType: MediaType = multipartBody.contentType()
    val contentLength: Long = multipartBody.contentLength()
    multipartBody.writeTo(Buffer())
    val mixed: MediaType = MultipartBody.MIXED
    val alternative: MediaType = MultipartBody.ALTERNATIVE
    val digest: MediaType = MultipartBody.DIGEST
    val parallel: MediaType = MultipartBody.PARALLEL
    val form: MediaType = MultipartBody.FORM

        // The iterator returns null when no elements, doesn't throw exception
        assertNull(iterator.next(), "Should return null when no next element");
    }

    /**
     * Test multiple iterations with mixed filtering results.
     */
    @Test
    void testMultipleIterationsWithFilter() throws Exception {
        // Given
        when(mockDelegate.hasNext()).thenReturn(true, true, true, false);

        assertEquals("オオサカ", ((TestAnalyzeToken) tokens.get(1)).getReading());
    }

    @Test
    public void testAnalyzeAndReadingWithMixedContent() {
        // Test analyzeAndReading with mixed content (numbers, letters, special chars)
        String text = "Test123 ABC-456";
        String field = "content";
        String lang = "en";

        }
    }

    @Test
    public void testRollingWindowMetrics() throws Exception {
        SmbCircuitBreaker cbWithWindow = new SmbCircuitBreaker("window-test");

        try {
            // Execute mixed operations
            for (int i = 0; i < 10; i++) {
                final int iteration = i; // Make effectively final for lambda
                try {
                    cbWithWindow.executeWithCircuitBreaker(() -> {

        assertEquals(builder, result); // Test method chaining
        assertEquals("test_index", builder.settingsIndexName);

        // Test setting index name with mixed case
        builder.setSettingsIndexName("TeSt_InDeX_NaMe");
        assertEquals("test_index_name", builder.settingsIndexName);

        // Test setting index name that's already lowercase

        // Test with Unicode characters
        testTransformer.setName("変換器の名前");
        assertEquals("変換器の名前", testTransformer.getName());

        // Test with mixed characters
        testTransformer.setName("Transformer-変換器-123");
        assertEquals("Transformer-変換器-123", testTransformer.getName());
    }

    /**
     * Test name with very long string
     */

  fun checkLowercase(name: ByteString): ByteString {
    for (i in 0 until name.size) {
      if (name[i] in 'A'.code.toByte()..'Z'.code.toByte()) {
        throw IOException("PROTOCOL_ERROR response malformed: mixed case name: ${name.utf8()}")
      }
    }
    return name
  }

        }

        startLatch.countDown();
        endLatch.await();

        // All rules should be removed
        assertEquals(100, removeCount.get());
    }

    /**
     * Test mixed operations
     */
    public void test_mixedOperations() {
        TestRule rule1 = new TestRule("rule1", false);
        TestRule rule2 = new TestRule("rule2", true);

          "discard_punctuation": false
        },
        "korean_tokenizer": {
            "type": "fess_korean_tokenizer",
            "decompound_mode": "mixed",
            "user_dict_path": "${fess.dictionary.path}ko/nori.txt"
        },
        "simplified_chinese_tokenizer": {
            "type": "fess_simplified_chinese_tokenizer"
        },