assertTrue(builder instanceof MatchPhrasePrefixQueryBuilder);

        MatchPhrasePrefixQueryBuilder mpqb = (MatchPhrasePrefixQueryBuilder) builder;
        assertEquals("test", mpqb.value()); // Should be lowercase
    }

    @Test
    public void test_convertPrefixQuery_withUppercasePrefix_lowercaseDisabled() throws Exception {
        queryCommand.setLowercaseWildcard(false);

        response.setHeaders(headers);

        Map<String, List<String>> result = response.getHeaders();
        assertNotNull(result);
        // Headers should be stored in lowercase
        assertTrue(result.containsKey("content-type"));
        assertTrue(result.containsKey("content-length"));
    }

    @Test
    public void testHeadersWithNullKey() {

 * href="https://tools.ietf.org/html/rfc2046">2046</a>.
 *
 * <p>All portions of the media type that are case-insensitive (type, subtype, parameter attributes)
 * are normalized to lowercase. The value of the {@code charset} parameter is normalized to
 * lowercase, but all others are left as-is.
 *
 * <p>Note that this specifically does <strong>not</strong> represent the value of the MIME {@code

        assertEquals("TEST", name.name);
    }

    @Test
    void constructor_withLowerCaseName_shouldConvertToUpperCase() {
        Name name = new Name(mockConfig, "lowercase", 0x20, null);
        assertEquals("LOWERCASE", name.name);
    }

    @Test
    void constructor_withMixedCaseName_shouldConvertToUpperCase() {
        Name name = new Name(mockConfig, "MiXeDcAsE", 0x20, null);

 * possible readings.
 * </p>
 *
 * <p>
 * The class also utilizes ICU4J's {@link com.ibm.icu.text.Transliterator} to convert full-width characters
 * to half-width and to convert any characters to lowercase, ensuring consistency in the output.
 * </p>
 *
 * <p>
 * Example:
 * For the input "キャ", the converter might return a list containing "kya".

        // Windows reserved names should be caught regardless of case
        try {
            validator.validatePath("\\share\\con");
            fail("Should block lowercase reserved name");
        } catch (SmbException e) {
            // Expected
        }

        try {
            validator.validatePath("\\share\\Con");

    .readUtf8()
}

/**
 * If this is an IP address, this returns the IP address in canonical form.
 *
 * Otherwise, this performs IDN ToASCII encoding and canonicalize the result to lowercase. For
 * example this converts `☃.net` to `xn--n3h.net`, and `WwW.GoOgLe.cOm` to `www.google.com`.
 * `null` will be returned if the host cannot be ToASCII encoded or if the result contains
 * unsupported ASCII characters.

        "type": "stemmer",
        "language": "swedish"
      }
    },
    "analyzer": {
      "sv_analyzer": {
        "type": "custom",
        "tokenizer": "standard",
        "filter": ["lowercase", "swedish_stop", "swedish_stemmer"]
      }
    }
  }
}
```

### 2. Add Custom Dictionaries (Optional)

Create custom dictionary files in: `${fess.dictionary.path}/[lang]/`

        assertNotNull(lmhosts.getByName("HOST4", mockContext));
    }

    @Test
    void testCaseInsensitivity() throws Exception {
        // Create a temporary lmhosts file with lowercase hostname
        File lmhostsFile = tempDir.resolve("lmhosts_case").toFile();
        try (FileWriter writer = new FileWriter(lmhostsFile)) {
            writer.write("192.168.1.100 hostname\n");
        }

            }
        }
        return false;
    }

    /**
     * Checks if the password contains at least one lowercase letter.
     *
     * @param password the password to check
     * @return true if the password contains a lowercase letter, false otherwise
     */
    protected boolean containsLowercase(final String password) {
        for (int i = 0; i < password.length(); i++) {