fun withPush(promise: PushPromise) =
    apply {
      promises.add(promise)
    }

  fun withSettings(settings: Settings) =
    apply {
      this.settings = settings
    }

  fun withWebSocketUpgrade(listener: WebSocketListener) =
    apply {
      status = "HTTP/1.1 101 Switching Protocols"
      setHeader("Connection", "Upgrade")

    // GET /api/admin/duplicatehost/settings
    // PUT /api/admin/duplicatehost/settings
    /**
     * Returns list of duplicate host settings.
     * Supports both GET and PUT requests for retrieving paginated duplicate host configurations.
     *
     * @param body search parameters for filtering and pagination
     * @return JSON response containing duplicate host settings list with pagination info
     */
    @Execute

import org.codelibs.fess.crawler.client.FesenClient;
import org.codelibs.fess.mylasta.direction.FessConfig;
import org.codelibs.fess.util.ComponentUtil;
import org.opensearch.common.settings.Settings;
import org.opensearch.common.settings.Settings.Builder;
import org.opensearch.transport.client.Client;

/**
 * OpenSearch client implementation specifically for crawler operations.

import org.codelibs.fess.suggest.index.SuggestDeleteResponse;
import org.codelibs.fess.suggest.index.contents.document.ESSourceReader;
import org.codelibs.fess.suggest.settings.SuggestSettings;
import org.codelibs.fess.suggest.settings.SuggestSettingsBuilder;
import org.codelibs.fess.suggest.util.SuggestUtil;
import org.codelibs.fess.util.ComponentUtil;
import org.opensearch.common.lucene.search.function.CombineFunction;

    // GET /api/admin/relatedcontent/settings
    // PUT /api/admin/relatedcontent/settings
    /**
     * Returns list of related content settings.
     * Supports both GET and PUT requests for retrieving paginated related content configurations.
     *
     * @param body search parameters for filtering and pagination
     * @return JSON response containing related content settings list with pagination info
     */
    @Execute

         */
        public ApiConfigsResponse<T> settings(final List<T> settings) {
            this.settings = settings;
            total = settings.size();
            return this;
        }

        /**
         * Sets the total number of configuration settings.
         * @param total The total number of configuration settings.
         * @return The ApiConfigsResponse instance.
         */

    }
  }

  /** Write okhttp's settings to the peer. */
  @Throws(IOException::class)
  fun settings(settings: Settings) {
    withLock {
      if (closed) throw IOException("closed")
      frameHeader(
        streamId = 0,
        length = settings.size() * 6,
        type = TYPE_SETTINGS,
        flags = FLAG_NONE,
      )
      for (i in 0 until Settings.COUNT) {
        if (!settings.isSet(i)) continue

    /**
     * Retrieves request header settings with pagination.
     *
     * @param body the search parameters for filtering and pagination
     * @return JSON response containing request header settings list
     */
    // GET /api/admin/reqheader/settings
    // PUT /api/admin/reqheader/settings
    @Execute
    public JsonResponse<ApiResult> settings(final SearchBody body) {
        validateApi(body, messages -> {});

    /**
     * Retrieves web authentication settings with pagination.
     *
     * @param body the search parameters for filtering and pagination
     * @return JSON response containing web authentication settings list
     */
    // GET /api/admin/webauth/settings
    // PUT /api/admin/webauth/settings
    @Execute
    public JsonResponse<ApiResult> settings(final SearchBody body) {
        validateApi(body, messages -> {});

    }

    /**
     * Updates the general system configuration settings.
     *
     * @param form the edit form containing updated settings
     * @return HTML response after updating settings
     */
    @Execute
    @Secured({ ROLE })
    public HtmlResponse update(final EditForm form) {