"stopwords": ["och", "det", "att", "i", "en", "jag", "hon", "som", "han", "på", "den", "med", "var", "sig", "för", "så", "till", "är", "men", "ett", "om", "hade", "de", "av", "icke", "mig", "du", "henne", "då", "sin", "nu", "har", "inte", "hans", "honom", "skulle", "hennes", "där", "min", "man", "ej", "vid", "kunde", "något", "från", "ut", "när", "efter", "upp", "vi", "dem", "vara", "vad", "över", "än", "dig", "kan", "sina", "här", "ha", "mot", "alla", "under", "någon", "eller", "allt",...

          "stopwords": ["och", "det", "att", "i", "en", "jag", "hon", "som", "han", "på", "den", "med", "var", "sig", "för", "så", "till", "är", "men", "ett", "om", "hade", "de", "av", "icke", "mig", "du", "henne", "då", "sin", "nu", "har", "inte", "hans", "honom", "skulle", "hennes", "där", "min", "man", "ej", "vid", "kunde", "något", "från", "ut", "när", "efter", "upp", "vi", "dem", "vara", "vad", "över", "än", "dig", "kan", "sina", "här", "ha", "mot", "alla", "under", "någon", "eller", "allt",...

import com.fasterxml.jackson.core.type.TypeReference;
import com.fasterxml.jackson.databind.ObjectMapper;

import jakarta.annotation.PostConstruct;
import jakarta.annotation.PreDestroy;

/**
 * Helper for inter-instance coordination via OpenSearch.
 * Provides heartbeat registration, distributed operation locking, and event notification
 * to prevent concurrent execution of maintenance operations across multiple Fess instances.
 */

     */
    protected String formatDetails(final List<LogNotificationEvent> events, final int maxDetailsLength, final int maxDisplayEvents,
            final int maxMessageLength) {
        final int totalCount = events.size();
        final int displayCount = Math.min(totalCount, maxDisplayEvents);
        final StringBuilder sb = new StringBuilder();

    /** Maximum number of compiled scripts to cache. Configurable via DI. */
    protected int scriptCacheSize = 1000;

    /** Maximum length of script text included in warning log messages. Configurable via DI. */
    protected int maxScriptLogLength = 200;

    /** Whether to log script execution details for auditing purposes. Configurable via DI. */

        if (content == null) {
            return StringUtil.EMPTY;
        }
        String value = content;
        int pos = value.indexOf("<!--");
        while (pos >= 0) {
            final int lastPos = value.indexOf("-->", pos);
            if (lastPos < 0) {
                break;
            }
            if (pos == 0) {

         */
        protected Options() {
            // nothing
        }

        /**
         * Parses the web configuration IDs string into a list.
         *
         * @return list of web configuration IDs, or null if none specified
         */
        protected List<String> getWebConfigIdList() {
            if (StringUtil.isNotBlank(webConfigIds)) {

     * @param crudMode the actual CRUD mode
     * @param expectedMode the expected CRUD mode
     * @param errorHook the error hook to call if verification fails
     */
    protected void verifyCrudMode(final int crudMode, final int expectedMode, final VaErrorHook errorHook) {
        if (crudMode != expectedMode) {
            throwValidationError(messages -> {

/**
 * Custom Log4j2 Appender that captures log events into a buffer for notification purposes.
 */
@Plugin(name = "LogNotificationAppender", category = Core.CATEGORY_NAME, elementType = Appender.ELEMENT_TYPE, printObject = true)
public class LogNotificationAppender extends AbstractAppender {

    private static final int MAX_THROWABLE_LENGTH = 500;

    private static final Set<String> EXCLUDED_LOGGERS = Set.of( //

    }

    private String getTestContent() {
        return "# This is a comment\n" + "the\n" + "and\n" + "a\n" + "is\n" + "to\n";
    }

    private void loadTestData() {
        // Load data into stopwordsFile
        try (InputStream is = new ByteArrayInputStream(getTestContent().getBytes(StandardCharsets.UTF_8))) {
            stopwordsFile.reload(null, is);
        } catch (IOException e) {