*/
    public ExecJob timeout(final int timeout) {
        this.timeout = timeout;
        return this;
    }

    /**
     * Sets whether to use local Fesen instance.
     *
     * @param useLocalFesen true to use local Fesen, false otherwise
     * @return this ExecJob instance for method chaining
     */
    public ExecJob useLocalFesen(final boolean useLocalFesen) {

    public static final String FESEN_TYPE_AWS = "aws";

    /** Search engine username configuration key. */
    public static final String FESEN_USERNAME = "fesen.username";

    /** Search engine password configuration key. */
    public static final String FESEN_PASSWORD = "fesen.password";

    // ============================================================
    // Execution Type Constants

     * This class is designed to be used statically.
     */
    protected ResourceUtil() {
        // nothing
    }

    /**
     * Gets the HTTP URL for the OpenSearch (Fesen) server.
     * First checks for a system-configured search engine address,
     * then falls back to the URL configured in FessConfig.
     *
     * @return the HTTP URL for the OpenSearch server
     */

import org.apache.commons.lang3.RandomUtils;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.codelibs.core.lang.StringUtil;
import org.codelibs.core.lang.ThreadUtil;
import org.codelibs.fesen.client.HttpClient;
import org.codelibs.fess.crawler.exception.OpenSearchAccessException;
import org.opensearch.OpenSearchException;
import org.opensearch.action.ActionRequest;
import org.opensearch.action.ActionType;