}

    public void test_messageWithSpecialCharacters() {
        // Setup
        final String message = "Error: Failed to authenticate user <******@****.***> with special chars: #$%&*()!@";
        final VaMessenger<FessMessages> messageCode = messages -> messages.addErrorsSsoLoginError(UserMessages.GLOBAL_PROPERTY_KEY);
        final Exception cause = new RuntimeException("Special cause: \n\t\r");

errors.invalid_query_parse_error = A consulta fornecida é inválida.
errors.invalid_query_sort_value = A ordenação especificada {0} é inválida.
errors.invalid_query_unsupported_sort_field = O campo de ordenação especificado {0} não é suportado.
errors.invalid_query_unsupported_sort_order = A ordem de ordenação especificada {0} não é suportada.
errors.invalid_query_cannot_process=Não foi possível processar a consulta especificada.

  private fun largeHeaders(): List<Header> {
    val nameValues = arrayOfNulls<String>(32)
    val chars = CharArray(512)
    var i = 0
    while (i < nameValues.size) {
      Arrays.fill(chars, i.toChar())
      val string = String(chars)
      nameValues[i++] = string
      nameValues[i++] = string
    }
    return headerEntries(*nameValues)
  }

        final int[] values = getCrawlerDocumentCharsAsArray(QUERY_HIGHLIGHT_BOUNDARY_CHARS, getQueryHighlightBoundaryChars());
        final char[] chars = new char[values.length];
        for (int i = 0; i < values.length; i++) {
            chars[i] = (char) values[i];
        }
        return chars;
    }

    String getQueryHighlightTerminalChars();

    default int[] getQueryHighlightTerminalCharsAsArray() {

errors.invalid_query_parse_error = La consulta proporcionada no es válida.
errors.invalid_query_sort_value = El orden de clasificación especificado {0} no es válido.
errors.invalid_query_unsupported_sort_field = El campo de ordenación especificado {0} no es compatible.
errors.invalid_query_unsupported_sort_order = El orden de clasificación especificado {0} no es compatible.

        final VaMessenger<FessMessages> messageCode = messages -> messages.addErrorsInvalidQueryUnknown(UserMessages.GLOBAL_PROPERTY_KEY);
        final Exception cause = new RuntimeException("Special chars: \n\t\r\f\b");

        // Execute
        final InvalidQueryException exception = new InvalidQueryException(messageCode, message, cause);

        // Verify special characters are preserved

 * @since 15.0
 */
@GwtCompatible
@SuppressWarnings("EscapedEntity") // We do mean for the user to see "<" etc.
public abstract class UnicodeEscaper extends Escaper {
  /** The amount of padding (chars) to use when growing the escape buffer. */
  private static final int DEST_PAD = 32;

  /** Constructor for use by subclasses. */
  protected UnicodeEscaper() {}

  /**

 * @since 15.0
 */
@GwtCompatible
@SuppressWarnings("EscapedEntity") // We do mean for the user to see "<" etc.
public abstract class UnicodeEscaper extends Escaper {
  /** The amount of padding (chars) to use when growing the escape buffer. */
  private static final int DEST_PAD = 32;

  /** Constructor for use by subclasses. */
  protected UnicodeEscaper() {}

  /**

errors.invalid_query_parse_error = La query fornita non è valida.
errors.invalid_query_sort_value = L'ordinamento specificato {0} non è valido.
errors.invalid_query_unsupported_sort_field = Il campo di ordinamento specificato {0} non è supportato.
errors.invalid_query_unsupported_sort_order = L'ordinamento specificato {0} non è supportato.
errors.invalid_query_cannot_process=Impossibile elaborare la query specificata.

    Iterable<CharSource> cycle = Iterables.cycle(ImmutableList.of(source));
    CharSource concatenated = CharSource.concat(cycle);

    String expected = "abcdabcd";

    // read the first 8 chars manually, since there's no equivalent to ByteSource.slice
    // TODO(cgdecker): Add CharSource.slice?
    StringBuilder builder = new StringBuilder();