buf.append("\"data\":[");
            boolean first1 = true;
            for (final String word : popularWordList) {
                if (!first1) {
                    buf.append(',');
                } else {
                    first1 = false;
                }
                buf.append(escapeJson(word));
            }
            buf.append(']');

    @Test
    public void testConvertWithLongText() throws IOException {
        // Test convert with long text
        StringBuilder sb = new StringBuilder();
        for (int i = 0; i < 100; i++) {
            sb.append("word").append(i).append(" ");
        }
        String text = sb.toString();
        String field = "content";

        List<String> results = converter.convert(text, field, "en");

        assertNotNull(results);

    int writeString(final String str, final byte[] dst, int dstIndex, final boolean useUnicode) {
        final int start = dstIndex;

        try {
            if (useUnicode) {
                // Unicode requires word alignment
                if ((dstIndex - headerStart) % 2 != 0) {
                    dst[dstIndex++] = (byte) '\0';
                }

     */
    @Required
    @Min(-1)
    @Max(10000)
    @ValidateTypeFailure
    public Integer failureCountThreshold;

    /**
     * Enable or disable popular word tracking and display.
     * When enabled, frequently searched terms are tracked and displayed.
     */
    @Size(max = 10)
    public String popularWord;

    /**

        assertEquals(10, item.getQueryFreq());
    }

    @Test
    public void test_parseSearchWordsWithExcludedWords() throws Exception {
        String[] words = new String[] { "　　　", "エンジン" }; // First word is whitespace only
        String[] fields = new String[] { "content" };

        SuggestAnalyzer analyzer = suggester.settings().analyzer().new DefaultContentsAnalyzer();

    }

    @Test
    public void test_numMatchesWordsSize() throws Exception {
        List<String> words = new ArrayList<>();
        for (int i = 0; i < 10; i++) {
            words.add("word" + i);
        }

        PopularWordsResponse response = new PopularWordsResponse("test-index", 100, words, 100, new ArrayList<>());

        assertEquals(words.size(), response.getNum());
    }

- **File**: Local/network file systems
- **FTP**: With authentication
- **SMB/CIFS**: Windows shares (SMB1/SMB2+)
- **Storage**: MinIO/S3-compatible

### Content Formats

Office (Word, Excel, PowerPoint), PDF, Archives (ZIP, TAR, GZ), HTML, XML, JSON, Media (audio/video metadata), Images (EXIF/IPTC/XMP)

---

## Architecture

### Module Structure

```
fess-crawler-parent/

     */
    protected int writeString(final String str, final byte[] dst, int dstIndex, final boolean unicode) {
        final int start = dstIndex;
        if (unicode) {
            // Unicode requires word alignment
            if ((dstIndex - this.headerStart) % 2 != 0) {
                dst[dstIndex++] = (byte) '\0';
            }
            System.arraycopy(Strings.getUNIBytes(str), 0, dst, dstIndex, str.length() * 2);

     */
    public QueryStringBuilder() {
        // Default constructor
    }

    /**
     * Quotes a string value if it contains spaces.
     * Multi-word values are wrapped in double quotes with internal quotes replaced by spaces.
     *
     * @param value the string value to quote
     * @return the quoted string if it contains spaces, otherwise the original value
     */

        // UID (2 bytes)
        buffer[28] = 0x03;
        buffer[29] = 0x00;

        // MID (2 bytes)
        buffer[30] = 0x04;
        buffer[31] = 0x00;

        // Word count
        buffer[32] = 10; // 10 words = 20 bytes

        // Parameter words for transaction response
        // Total parameter count (2 bytes)
        buffer[33] = 0x00;
        buffer[34] = 0x00;