* @param id The ID of the item to delete.
     * @return The SuggestDeleteResponse.
     */
    public SuggestDeleteResponse delete(final String id) {
        if (logger.isDebugEnabled()) {
            logger.debug("Deleting suggest item: index={}, id={}", index, id);
        }
        final long start = System.currentTimeMillis();
        final SuggestWriterResult result = suggestWriter.delete(client, settings, index, id);

import org.opensearch.transport.client.Client;

/**
 * The ArraySettings class provides methods to manage settings stored in an array format within an OpenSearch index.
 * It allows adding, retrieving, and deleting settings based on keys and values.
 *
 * <p>Constructor:
 * <ul>

import org.lastaflute.web.ruts.process.ActionRuntime;
import org.lastaflute.web.validation.exception.ValidationErrorException;

/**
 * Admin action for Plugin management.
 * This class provides functionality for installing, deleting, and managing plugins in the Fess system.
 *
 */
public class AdminPluginAction extends FessAdminAction {

    /**
     * Default constructor.
     */
    public AdminPluginAction() {
        super();

 * This class handles reading, parsing, and updating files that contain
 * a list of stopwords. Each line in the file represents a single stopword.
 *
 * The class provides methods for retrieving, adding, updating, and
 * deleting stopword items, as well as reloading the dictionary
 * from its source file.
 */
public class StopwordsFile extends DictionaryFile<StopwordsItem> {
    private static final String STOPWORDS = "stopwords";

 * stemmer override rules, where each rule maps an input word to an
 * output stem. The file format is expected to be `input => output`.
 *
 * The class provides methods for retrieving, adding, updating, and
 * deleting stemmer override items, as well as reloading the dictionary
 * from its source file.
 */
public class StemmerOverrideFile extends DictionaryFile<StemmerOverrideItem> {

        final RequestData requestData = new RequestData();
        requestData.setMethod(method);
        requestData.setUrl(url);
        return requestData;
    }

    /**
     * Closes the response data, deleting temporary files if any.
     * @throws IOException if an I/O error occurs.
     */
    @Override
    public void close() throws IOException {
        if (isTemporaryFile) {

success.reindex_started=Started re-indexing.
success.bulk_process_started=Started a bulk process.
success.print_thread_dump=Printed a thread dump to a log file.
success.install_plugin=Installing plugin {0}.
success.delete_plugin=Deleting plugin {0}.
success.upload_file_to_storage=Uploaded {0}.
success.sso_logout=You have been logged out.
success.update_storage_tags=Updated tags of {0}.

success.crud_create_crud_table = Created the data.

success.reindex_started=Started re-indexing.
success.bulk_process_started=Started a bulk process.
success.print_thread_dump=Printed a thread dump to a log file.
success.install_plugin=Installing plugin {0}.
success.delete_plugin=Deleting plugin {0}.
success.upload_file_to_storage=Uploaded {0}.
success.sso_logout=You have been logged out.
success.update_storage_tags=Updated tags of {0}.

success.crud_create_crud_table = Created the data.

            if (list == null) {
                return true;
            }
            return list.isEmpty();
        }).forEach(s -> {
            if (logger.isInfoEnabled()) {
                logger.info("Deleting disabled index (no aliases): index={}", s);
            }
            client.admin().indices().prepareDelete(s).execute().actionGet(suggestSettings.getIndicesTimeout());
        });
    }

    /**

 * synonym rules. The file format supports both explicit mappings (e.g., `a => b`)
 * and equivalent synonyms (e.g., `a, b, c`).
 *
 * The class provides methods for retrieving, adding, updating, and
 * deleting synonym items, as well as reloading the dictionary
 * from its source file.
 */
public class SynonymFile extends DictionaryFile<SynonymItem> {
    private static final String SYNONYM = "synonym";