}
        }
        if (httpClient != null) {
            try {
                httpClient.close();
            } catch (final IOException e) {
                logger.warn("Failed to close HTTP client", e);
            }
            httpClient = null;
        }
    }

    /**

	for i := range c.client.Endpoints {
		wg.Add(1)
		go func(i int) {
			defer wg.Done()

			client := kes.Client{
				Endpoints:  []string{c.client.Endpoints[i]},
				HTTPClient: c.client.HTTPClient,
			}

			var item madmin.ItemState
			if _, err := client.Status(ctx); err == nil {
				item = madmin.ItemOnline
			} else {
				item = madmin.ItemOffline
			}
			results[i] = Result{

        final RequestHeaderService requestHeaderService = ComponentUtil.getComponent(RequestHeaderService.class);
        final FessConfig fessConfig = ComponentUtil.getFessConfig();

        // HttpClient Parameters
        final Map<String, Object> paramMap = new HashMap<>();
        factory.setInitParameterMap(paramMap);

        final Map<String, String> clientConfigMap = getConfigParameterMap(ConfigName.CLIENT);

					<artifactId>geo</artifactId>
				</exclusion>
			</exclusions>
		</dependency>
		<dependency>
			<groupId>org.codelibs.fesen.client</groupId>
			<artifactId>fesen-httpclient</artifactId>
			<version>${fesen.httpclient.version}</version>
		</dependency>
		<dependency>
			<groupId>org.ow2.asm</groupId>
			<artifactId>asm</artifactId>
			<version>${asm.version}</version>
		</dependency>

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;

     * @throws SearchEngineClientException if the client is not an HttpClient
     */
    public EngineInfo getEngineInfo() {
        if (client instanceof final HttpClient httpClient) {
            return httpClient.getEngineInfo();
        }
        throw new SearchEngineClientException("client is not HttpClient.");
    }

    //
    // Fesen Client
    //

    /**

import org.gradle.api.tasks.Internal
import org.gradle.api.tasks.TaskAction
import org.gradle.api.tasks.options.Option
import org.gradle.work.DisableCachingByDefault
import java.net.URI
import java.net.http.HttpClient
import java.net.http.HttpRequest
import java.net.http.HttpResponse


data class GitHubIssueSearchResult(val items: List<GitHubIssue>)


data class GitHubIssue(
    val number: Int,
    val title: String,

import org.gradle.api.file.RegularFileProperty
import org.gradle.api.tasks.Internal
import org.gradle.api.tasks.TaskAction
import org.gradle.work.DisableCachingByDefault
import java.net.URI
import java.net.http.HttpClient
import java.net.http.HttpRequest
import java.net.http.HttpResponse


private
data class GradleServicesVersion(val version: String, val buildTime: String)

import org.gradle.api.provider.Property
import org.gradle.api.tasks.Internal
import org.gradle.api.tasks.options.Option
import org.gradle.work.DisableCachingByDefault
import java.net.URI
import java.net.http.HttpClient
import java.net.http.HttpRequest
import java.net.http.HttpResponse


data class GitHubPullRequestSearchResult(val items: List<GitHubPullRequest>)


data class GitHubUser(val login: String, val name: String?)

        ClassLoader customClassLoader = new URLClassLoader(new URL[0], null) {
            @Override
            public Class<?> loadClass(String name) throws ClassNotFoundException {
                if ("org.apache.commons.httpclient.MultiThreadedHttpConnectionManager".equals(name)) {
                    // Simulate class not found
                    throw new ClassNotFoundException(name);
                }
                return super.loadClass(name);