/**
     * The AWS S3 client instance for interacting with object storage.
     */
    protected software.amazon.awssdk.services.s3.S3Client awsS3Client;

    /**
     * Creates a new S3Client instance.
     */
    public S3Client() {
        super();
    }

    @Override
    public synchronized void init() {
        if (isInit) {
            return;
        }

            s3Client.headBucket(request);
            return true;
        } catch (final Exception e) {
            return false;
        }
    }

    @Override
    public void close() {
        if (s3Client != null) {
            s3Client.close();
        }
    }

    /**

                .singleton("s3Client", S3Client.class);
        s3Client = container.getComponent("s3Client");
        Map<String, Object> params = new HashMap<>();
        params.put("endpoint", endpoint);
        params.put("accessKey", ACCESS_KEY);
        params.put("secretKey", SECRET_KEY);
        params.put("region", "us-east-1");
        s3Client.setInitParameterMap(params);

     * variables for authentication and endpoint configuration.
     * </p>
     */
    public class S3URLConnection extends URLConnection {

        /** The AWS S3 client for storage operations */
        private S3Client s3Client;
        /** The name of the storage bucket */
        private String bucketName;
        /** The name of the storage object */
        private String objectName;
        /** Cached object head response */

		class="org.codelibs.fess.crawler.client.storage.StorageClient" instance="prototype">
		<property name="charset">"UTF-8"</property>
	</component>

	<component name="s3Client"
		class="org.codelibs.fess.crawler.client.s3.S3Client" instance="prototype">
		<property name="charset">"UTF-8"</property>
	</component>

	<component name="gcsClient"
		class="org.codelibs.fess.crawler.client.gcs.GcsClient" instance="prototype">