StringBuilder sb = stringBuilderPool.poll();
        if (sb == null) {
            sb = new StringBuilder(512); // Pre-allocate reasonable size
        } else {
            sb.setLength(0); // Reset length
        }
        return sb;
    }

    private void returnStringBuilder(StringBuilder sb) {
        if (sb != null && sb.capacity() < 2048) { // Avoid keeping very large builders

        try {
            response.setContentType("application/x-ndjson; charset=UTF-8");
            final long count = searchHelper.scrollSearch(params, doc -> {
                buf.setLength(0);
                buf.append('{');
                boolean first2 = true;
                for (final Map.Entry<String, Object> entry : doc.entrySet()) {
                    final String name = entry.getKey();

    <alias type="text/x-tex"/>
    <magic priority="50">
      <match value="\\input" type="string" offset="0"/>
      <match value="\\section" type="string" offset="0"/>
      <match value="\\setlength" type="string" offset="0"/>
      <match value="\\documentstyle" type="string" offset="0"/>
      <match value="\\chapter" type="string" offset="0"/>
      <match value="\\documentclass" type="string" offset="0"/>