+ "\u0ce6\u0d66\u0e50\u0ed0\u0f20\u1040\u1090\u17e0\u1810\u1946"
            + "\u19d0\u1b50\u1bb0\u1c40\u1c50\ua620\ua8d0\ua900\uaa50\uff10";
    for (char base : zeros.toCharArray()) {
      for (int offset = 0; offset < 10; offset++) {
        sb.append((char) (base + offset));
      }
    }
    ALL_DIGITS = sb.toString();
  }

  /** Sample CharMatcher instances for benchmarking. */
  public enum SampleMatcherConfig {

    }

    public void test_constructor_withSpecialCharactersInMessage() {
        // Test constructor with special characters in message
        String message = "Error with special chars: \n\t\r\"'<>&";
        SearchEngineClientException exception = new SearchEngineClientException(message);

        assertNotNull(exception);
        assertEquals(message, exception.getMessage());

     */
    public static char[] addAll(final char[] a, final char[] b) {
        if (a == null) {
            return b;
        }
        if (b == null) {
            return a;
        }
        if (a.length == 0) {
            return b;
        }
        if (b.length == 0) {
            return a;
        }
        final char[] array = (char[]) Array.newInstance(char.class, a.length + b.length);

   */
  AppendableWriter(Appendable target) {
    this.target = checkNotNull(target);
  }

  /*
   * Abstract methods from Writer
   */

  @Override
  public void write(char[] cbuf, int off, int len) throws IOException {
    checkNotClosed();
    // It turns out that creating a new String is usually as fast, or faster
    // than wrapping cbuf in a light-weight CharSequence.

        assertEquals(0x0101, actualInfoLevel);
    }

    @Test
    void testWriteParametersWithSpecialCharacters() {
        String specialPath = "test/file with spaces and $pecial #chars!.txt";
        trans2QueryPathInfo = new Trans2QueryPathInformation(config, specialPath, TEST_INFO_LEVEL);

        byte[] buffer = new byte[512];
        int written = trans2QueryPathInfo.writeParametersWireFormat(buffer, 0);

        // Test various complex field names
        String[] fieldNames = { "simple_field", "field-with-dashes", "field.with.dots", "field_with_underscores", "fieldWithCamelCase",
                "field with spaces", "field@with#special!chars", "フィールド名", "字段名称", "필드명" };

        for (String fieldName : fieldNames) {
            String encoded = BaseEncoding.base64().encode(fieldName.getBytes(StandardCharsets.UTF_8));

    @CsvSource({ "a.txt", "very_long_filename_with_many_characters_to_test_buffer_handling.docx", "file with spaces.pdf", "文件.txt", // Unicode filename
            "file-with-special-chars!@#$%^&().bin" })
    void testDecodeWithVariousFileNames(String fileName) throws SMBProtocolDecodingException {
        byte[] buffer = createValidNotificationBuffer(fileName, FileNotifyInformation.FILE_ACTION_ADDED);

    return normalizeWord(word);
  }

  private static String firstCharOnlyToUpper(String word) {
    return word.isEmpty()
        ? word
        : Ascii.toUpperCase(word.charAt(0)) + Ascii.toLowerCase(word.substring(1));
  }

    * Update kubernetes-e2e charm to fail when test suite fails

    * Update Juju charms to use snaps

    * Add registry action to the kubernetes-worker charm

    * Add support for kube-proxy cluster-cidr option to kubernetes-worker charm

    * Fix kubernetes-master charm starting services before TLS certs are saved

    * Fix kubernetes-worker charm failures in LXD

    val c = name[i]
    require(c in '\u0021'..'\u007e') {
      "Unexpected char 0x${c.charCode()} at $i in header name: $name"
    }
  }
}

internal fun headersCheckValue(
  value: String,
  name: String,
) {
  for (i in value.indices) {
    val c = value[i]
    require(c == '\t' || c in '\u0020'..'\u007e') {
      "Unexpected char 0x${c.charCode()} at $i in $name value" +