osddHelper.setEncoding(Constants.UTF_8);
        osddHelper.init();
        assertTrue(osddHelper.hasOpenSearchFile());

        final StreamResponse streamResponse = osddHelper.asStream();
        assertEquals("text/xml; charset=UTF-8", streamResponse.getContentType());
        streamResponse.getStreamCall().callback(new WrittenStreamOut() {

            @Override
            public void write(final InputStream ins) throws IOException {

import org.codelibs.fess.opensearch.config.exentity.BadWord;
import org.codelibs.fess.util.ComponentUtil;
import org.lastaflute.web.Execute;
import org.lastaflute.web.response.JsonResponse;
import org.lastaflute.web.response.StreamResponse;

import jakarta.annotation.Resource;

/**
 * API action for admin bad word management.
 * Provides REST endpoints for managing bad words in the Fess search engine.
 */

import org.codelibs.fess.dict.stemmeroverride.StemmerOverrideItem;
import org.lastaflute.web.Execute;
import org.lastaflute.web.response.JsonResponse;
import org.lastaflute.web.response.StreamResponse;

import jakarta.annotation.Resource;

/**
 * API action for admin Stemmer Override dictionary management.
 * Provides REST endpoints for managing stemmer override dictionary items in the Fess search engine.
 */

        if (StringUtil.isEmpty(pi.getName())) {
            throwValidationError(messages -> messages.addErrorsStorageFileNotFound(GLOBAL), () -> asListHtml(encodeId(pi.getPath())));
        }
        final StreamResponse response = new StreamResponse(StringUtil.EMPTY);
        final String name = pi.getName();
        final String encodedName = URLEncoder.encode(name, Constants.UTF_8_CHARSET).replace("+", "%20");

import org.codelibs.fess.opensearch.config.exentity.ElevateWord;
import org.codelibs.fess.util.ComponentUtil;
import org.lastaflute.web.Execute;
import org.lastaflute.web.response.JsonResponse;
import org.lastaflute.web.response.StreamResponse;

import jakarta.annotation.Resource;

/**
 * API action for admin elevate word management.
 * Provides RESTful API endpoints for managing elevate word settings in the Fess search engine.

import org.lastaflute.core.magic.async.AsyncManager;
import org.lastaflute.web.Execute;
import org.lastaflute.web.response.ActionResponse;
import org.lastaflute.web.response.HtmlResponse;
import org.lastaflute.web.response.StreamResponse;
import org.lastaflute.web.ruts.process.ActionRuntime;
import org.xml.sax.InputSource;

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

import org.codelibs.fess.util.ComponentUtil;
import org.dbflute.optional.OptionalEntity;
import org.lastaflute.web.Execute;
import org.lastaflute.web.response.HtmlResponse;
import org.lastaflute.web.response.StreamResponse;
import org.lastaflute.web.ruts.process.ActionRuntime;

/**
 * Admin action for Design management.
 *
 */
public class AdminDesignAction extends FessAdminAction {

    /**
     * Default constructor.

import org.lastaflute.web.login.credential.LoginCredential;
import org.lastaflute.web.response.ActionResponse;
import org.lastaflute.web.response.HtmlResponse;
import org.lastaflute.web.response.StreamResponse;
import org.lastaflute.web.util.LaRequestUtil;
import org.lastaflute.web.util.LaResponseUtil;

import jakarta.annotation.PostConstruct;
import jakarta.servlet.http.HttpServletRequest;