* @return The user-friendly source hint, never {@code null}.
     */
    static String toSourceHint(Model model) {
        if (model == null) {
            return "";
        }

        StringBuilder buffer = new StringBuilder(128);

        buffer.append(toId(model));

        Path pomPath = model.getPomPath();
        if (pomPath != null) {
            buffer.append(" (").append(pomPath).append(')');
        }

    public String getId() {
        return "flat";
    }

    public String pathOf(Artifact artifact) {
        ArtifactHandler artifactHandler = artifact.getArtifactHandler();

        StringBuilder path = new StringBuilder(128);

        path.append(artifact.getArtifactId()).append(ARTIFACT_SEPARATOR).append(artifact.getVersion());

        if (artifact.hasClassifier()) {

                logError("Error updating file", e);
            }
        }

        return true;
    }

    private String getFullClassName(TypeElement typeElement) {
        StringBuilder className = new StringBuilder(typeElement.getSimpleName());
        Element enclosingElement = typeElement.getEnclosingElement();

        while (enclosingElement instanceof TypeElement) {

  abstract Cut<C> withUpperBoundType(BoundType boundType, DiscreteDomain<C> domain);

  abstract void describeAsLowerBound(StringBuilder sb);

  abstract void describeAsUpperBound(StringBuilder sb);

  @CheckForNull
  abstract C leastValueAbove(DiscreteDomain<C> domain);

  @CheckForNull
  abstract C greatestValueBelow(DiscreteDomain<C> domain);

  /*

        try {
            final File tempDir = File.createTempFile("crawlerDocRoot", "");
            tempDir.delete();
            tempDir.mkdirs();

            // robots.txt
            StringBuilder buf = new StringBuilder();
            buf.append("User-agent: *").append('\n');
            buf.append("Disallow: /admin/").append('\n');
            buf.append("Disallow: /websvn/").append('\n');

  abstract Cut<C> withUpperBoundType(BoundType boundType, DiscreteDomain<C> domain);

  abstract void describeAsLowerBound(StringBuilder sb);

  abstract void describeAsUpperBound(StringBuilder sb);

  @CheckForNull
  abstract C leastValueAbove(DiscreteDomain<C> domain);

  @CheckForNull
  abstract C greatestValueBelow(DiscreteDomain<C> domain);

  /*

    @Override
    public void transferProgressed(TransferEvent event) {
        TransferResource resource = event.getResource();
        downloads.put(resource, event.getTransferredBytes());

        StringBuilder buffer = new StringBuilder(64);

        for (Map.Entry<TransferResource, Long> entry : downloads.entrySet()) {
            long total = entry.getKey().getContentLength();
            long complete = entry.getValue();

   * Does not close the {@code Readable}.
   *
   * @param r the object to read from
   * @return a {@link StringBuilder} containing all the characters
   * @throws IOException if an I/O error occurs
   */
  private static StringBuilder toStringBuilder(Readable r) throws IOException {
    StringBuilder sb = new StringBuilder();
    if (r instanceof Reader) {

                continue;
            }
            if (scanner.lookingAt(TAG)) {
                parseJavadocTag(visitor);
                continue;
            }

            StringBuilder text = new StringBuilder();
            while (!scanner.isEmpty()) {
                if (scanner.lookingAt(START_HTML_COMMENT)) {
                    skipComment();
                    continue;
                }

    }

    public String build() {
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        final int maxQueryLength = fessConfig.getQueryMaxLengthAsInteger();
        final StringBuilder queryBuf = new StringBuilder(255);

        final String query = buildBaseQuery();
        if (StringUtil.isNotBlank(query)) {
            queryBuf.append(escapeQuery(query));
        }

        stream(params.getExtraQueries())