final FessConfig fessConfig = ComponentUtil.getFessConfig();
        final String field = getSearchField(context.getDefaultField(), prefixQuery.getField());
        final String text = prefixQuery.getPrefix().text();

        if (Constants.DEFAULT_FIELD.equals(field)) {
            context.addFieldLog(field, text + "*");
            context.addHighlightedQuery(text);

  }

  @GwtIncompatible // Doubles.tryParse
  public void testTryParseHex() {
    for (String signChar : ImmutableList.of("", "+", "-")) {
      for (String hexPrefix : ImmutableList.of("0x", "0X")) {
        for (String iPart : ImmutableList.of("", "0", "1", "F", "f", "c4", "CE")) {
          for (String fPart : ImmutableList.of("", ".", ".F", ".52", ".a")) {

    @Nonnull
    default String getNamespaceUri() {
        return namespaceUri();
    }

    @Deprecated(since = "4.0.0", forRemoval = true)
    @Nonnull
    default String getPrefix() {
        return prefix();
    }

    @Deprecated(since = "4.0.0", forRemoval = true)
    @Nullable
    default String getValue() {
        return value();
    }