cache.invalidateAll();
    }

    protected String getCacheKey(final String seed, final String[] tags, final String[] roles, final String[] fields,
            final String[] excludes) {
        final StringBuilder buf = new StringBuilder(100);
        buf.append(seed).append(CACHE_KEY_SPLITTER);
        stream(tags).of(stream -> stream.sorted().reduce((l, r) -> l + r).ifPresent(v -> buf.append(v)));
        buf.append(CACHE_KEY_SPLITTER);

        final String enc = LaRequestUtil.getOptionalRequest().filter(req -> req.getCharacterEncoding() != null)
                .map(HttpServletRequest::getCharacterEncoding).orElse(Constants.UTF_8);
        final StringBuilder buf = new StringBuilder(url.length() + 100);
        for (final char c : url.toCharArray()) {
            if (CharUtil.isUrlChar(c)) {
                buf.append(c);
            } else {
                try {

    public void setDetector(final LanguageDetector detector) {
        this.detector = detector;
    }

    public Script createScript(final Map<String, Object> doc, final String code) {
        final StringBuilder buf = new StringBuilder(100);
        buf.append(code);
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        final String language = DocumentUtil.getValue(doc, fessConfig.getIndexFieldLang(), String.class);

    //                                                                      ==============
    @Override
    protected String doBuildColumnString(String dm) {
        StringBuilder sb = new StringBuilder();
        sb.append(dm).append(createdBy);
        sb.append(dm).append(createdTime);
        sb.append(dm).append(processType);
        sb.append(dm).append(regex);

    try (Stream<String> lines = source.lines()) {
      assertExpectedLines(lines.collect(toImmutableList()));
    }
  }

  public void testCopyTo_appendable() throws IOException {
    StringBuilder builder = new StringBuilder();

    assertEquals(expected.length(), source.copyTo(builder));

    assertExpectedString(builder.toString());
  }

  public void testCopyTo_charSink() throws IOException {

    }

    @Override
    @CheckForNull
    public Type getOwnerType() {
      return ownerType;
    }

    @Override
    public String toString() {
      StringBuilder builder = new StringBuilder();
      if (ownerType != null && JavaVersion.CURRENT.jdkTypeDuplicatesOwnerName()) {
        builder.append(JavaVersion.CURRENT.typeName(ownerType)).append('.');
      }
      return builder

            final String path = entry.getKey();
            if (servletPath.startsWith(path)) {
                req.setCharacterEncoding(entry.getValue());
                final StringBuilder locationBuf = new StringBuilder(1000);
                final String contextPath = servletContext.getContextPath();
                if (StringUtil.isNotBlank(contextPath) && !"/".equals(contextPath)) {

        Reader reader = null;
        if (settings.getAsList("synonyms", null) != null) {
            final List<String> rules = Analysis.parseWordList(env, settings, "synonyms", s -> s);
            final StringBuilder sb = new StringBuilder();
            for (final String line : rules) {
                sb.append(line).append(System.getProperty("line.separator"));
            }
            reader = new StringReader(sb.toString());

  boolean equalsIgnoreCaseCharSequence(int reps) {
    // This benchmark has no concept of "noWorkToDo".
    String upperString = testString.toUpperCase();
    CharSequence testSeq = new StringBuilder(testString);
    CharSequence upperSeq = new StringBuilder(upperString);
    CharSequence[] lhs = new CharSequence[] {testString, testSeq, testString, testSeq};
    CharSequence[] rhs = new CharSequence[] {upperString, upperString, upperSeq, upperSeq};

                        if (r.getTotalShards() != r.getSuccessfulShards() && fessConfig.isQueryTimeoutLogging()) {
                            // partial results
                            final StringBuilder buf = new StringBuilder(1000);
                            buf.append("[SEARCH TIMEOUT] {\"exec_time\":").append(execTime)//
                                    .append(",\"request\":").append(searchRequestBuilder.toString())//