* @return stream response containing the log file content
     */
    // GET /api/admin/log/file/{id}
    @Execute
    public StreamResponse get$file(final String id) {
        final String filename = new String(Base64.getDecoder().decode(id), StandardCharsets.UTF_8).replace("..", "").replaceAll("\\s", "");
        final String logFilePath = systemHelper.getLogFilePath();
        if (StringUtil.isNotBlank(logFilePath) && isLogFilename(filename)) {

     */
    @Execute
    @Secured({ ROLE, ROLE + VIEW })
    public ActionResponse download(final String id) {
        final String filename = sanitizeFilename(new String(Base64.getDecoder().decode(id), StandardCharsets.UTF_8));
        final String logFilePath = systemHelper.getLogFilePath();
        if (StringUtil.isNotBlank(logFilePath) && isLogFilename(filename)) {

        return stream(getGroups()).get(stream -> stream.map(this::decode).toArray(n -> new String[n]));
    }

    private String decode(final String value) {
        return new String(Base64.getDecoder().decode(value), Constants.CHARSET_UTF_8);
    }

    @Override
    public String toString() {
        return "User [name=" + name + ", roles=" + Arrays.toString(roles) + ", groups=" + Arrays.toString(groups) + "]";

        assertEquals("NTLM ", headerValue.substring(0, 5), "Header should start with 'NTLM '");

        // Decode the returned Type 2 message and check its signature and type
        byte[] type2Bytes = Base64.getDecoder().decode(headerValue.substring(5));
        assertEquals('N', (char) type2Bytes[0]);
        assertEquals('T', (char) type2Bytes[1]);
        assertEquals('L', (char) type2Bytes[2]);

        assertNotNull(id);
        assertEquals(Base64.getEncoder().encodeToString(text.getBytes(CoreLibConstants.CHARSET_UTF_8)), id);

        // Test empty text
        String emptyText = "";
        String emptyId = SuggestUtil.createSuggestTextId(emptyText);
        assertNotNull(emptyId);
        assertEquals(Base64.getEncoder().encodeToString(emptyText.getBytes(CoreLibConstants.CHARSET_UTF_8)), emptyId);

    /** Settings ID. */
    protected final String settingsId;
    /** Suggest settings. */
    protected final SuggestSettings settings;

    private static final Base64.Encoder encoder = Base64.getEncoder();

    /**
     * Constructor.
     * @param settings Suggest settings
     * @param client OpenSearch client
     * @param settingsIndexName Settings index name
     * @param settingsId Settings ID

 */
public final class SuggestUtil {
    private static final int MAX_QUERY_TERM_NUM = 5;
    private static final int MAX_QUERY_TERM_LENGTH = 48;

    private static final Base64.Encoder encoder = Base64.getEncoder();

    private static final int ID_MAX_LENGTH = 445;

    /**
     * Private constructor to prevent instantiation.
     */
    private SuggestUtil() {
    }

    /**