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".

    .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]/`

            dayOfMonth = matcher.group(1).toInt()
          }

          month == -1 && matcher.usePattern(MONTH_PATTERN).matches() -> {
            val monthString = matcher.group(1).lowercase(Locale.US)
            month = MONTH_PATTERN.pattern().indexOf(monthString) / 4 // Sneaky! jan=1, dec=12.
          }

          year == -1 && matcher.usePattern(YEAR_PATTERN).matches() -> {

errors.password_length = Password must be at least {0} characters long.
errors.password_no_uppercase = Password must contain at least one uppercase letter.
errors.password_no_lowercase = Password must contain at least one lowercase letter.
errors.password_no_digit = Password must contain at least one digit.
errors.password_no_special_char = Password must contain at least one special character.

errors.password_length = Password must be at least {0} characters long.
errors.password_no_uppercase = Password must contain at least one uppercase letter.
errors.password_no_lowercase = Password must contain at least one lowercase letter.
errors.password_no_digit = Password must contain at least one digit.
errors.password_no_special_char = Password must contain at least one special character.

    get() = environmentVariable(PERFORMANCE_CHANNEL_ENV).orElse(provider {
        val channelSuffix = if (OperatingSystem.current().isLinux) "" else "-${OperatingSystem.current().familyName.lowercase()}"
        "commits$channelSuffix-${buildBranch.get()}"
     })

val Project.performanceDbPassword: Provider<String>
    get() = environmentVariable(PERFORMANCE_DB_PASSWORD_ENV)