index = fessConfig.getIndexUserIndex();
                } else if ("fess_basic_config".equals(index) && !"fess_config".equals(fessConfig.getIndexConfigIndex())) {
                    index = "basic_" + fessConfig.getIndexConfigIndex();
                }
                final String alias = index;
                return asStream(filename).contentTypeOctetStream().stream(out -> {

                        if ("fess_basic_config".equals(aliasName) && !CONFIG_INDEX_PREFIX.equals(name)) {
                            aliasName = aliasName.replaceFirst("fess_basic_config", "basic_" + name);
                        } else {
                            aliasName = aliasName.replaceFirst(Pattern.quote(CONFIG_INDEX_PREFIX), name);
                        }

import org.codelibs.fess.crawler.transformer.Transformer;

/**
 * An abstract base class for transformers.
 * Provides basic implementation for managing the transformer's name.
 *
 */
public abstract class AbstractTransformer implements Transformer {

    /**
     * Creates a new instance of AbstractTransformer.
     */
    public AbstractTransformer() {
        // NOP
    }

    /**

        this.fessConfig = fessConfig;
    }

    // ===================================================================================
    //                                                                      Basic Handling
    //                                                                      ==============
    @Override
    protected TimeZone getCentralTimeZone() {
        return FessUserTimeZoneProcessProvider.centralTimeZone;

    }

    // ===================================================================================
    //                                                                      Basic Override
    //                                                                      ==============
    @Override
    public String toString() {
        final String hash = Integer.toHexString(hashCode());

     * Default implementation delegates to the basic process method.
     *
     * @param target the document data to process
     * @param params the data store parameters
     * @return the processed document data
     */
    public Map<String, Object> process(final Map<String, Object> target, final DataStoreParams params) {
        return process(target);
    }

    /**

     * UTF-8
     */
    public static final String UTF_8 = "UTF-8";

    /**
     * UTF-8 Charset.
     */
    public static final Charset CHARSET_UTF_8 = Charset.forName(UTF_8);

    /**
     * ISO 8601 basic format: yyyyMMdd'T'HHmmss.SSSZ
     */
    public static final String DATE_FORMAT_ISO_8601_BASIC = "yyyyMMdd'T'HHmmss.SSSZ";

    /**
     * ISO 8601 extended format: yyyy-MM-dd'T'HH:mm:ss.SSSZ
     */

import org.codelibs.core.concurrent.CommonPoolUtil;
import org.codelibs.core.lang.ThreadUtil;

/**
 * The abstract helper for configuration.
 *
 * This class provides a basic framework for managing configurations that can be reloaded.
 * It includes functionality for updating configurations in a separate thread and controlling the reloading interval.
 */
public abstract class AbstractConfigHelper {

    /**
     * Default constructor.

import org.dbflute.s2dao.metadata.TnBeanMetaDataFactory;
import org.dbflute.twowaysql.factory.SqlAnalyzerFactory;

/**
 * Implementation of DBFlute's InvokerAssistant interface for OpenSearch integration.
 * This class provides basic scaffolding for DBFlute behavior invoker assistance,
 * primarily returning null implementations as placeholders for OpenSearch-specific functionality.
 *
 */
public class ImplementedInvokerAssistant implements InvokerAssistant {

        if (StringUtil.isNotBlank(username) && StringUtil.isNotBlank(password)) {
            final String value = username + ":" + password;
            final String basicAuth = "Basic " + java.util.Base64.getEncoder().encodeToString(value.getBytes(StandardCharsets.UTF_8));
            request.header("Authorization", basicAuth);
        }
        if (sslSocketFactory != null) {