public String logLevel;

    /**
     * Storage service endpoint URL for cloud storage integration.
     * Used for storing files in cloud storage services like S3.
     */
    @Size(max = 1000)
    public String storageEndpoint;

    /**
     * Access key for cloud storage authentication.
     * Used to authenticate with cloud storage services.
     */
    @Size(max = 1000)
    public String storageAccessKey;

package org.codelibs.fess.storage;

import java.io.InputStream;
import java.io.OutputStream;
import java.util.List;
import java.util.Map;

/**
 * Interface for cloud storage operations.
 * Implementations provide access to S3-compatible storage, GCS, or other cloud storage systems.
 */
public interface StorageClient extends AutoCloseable {

    /**
     * Uploads an object to storage.
     *

 */
package org.codelibs.fess.storage;

/**
 * Enum for supported storage types.
 */
public enum StorageType {

    /** Amazon S3 */
    S3,

    /** Google Cloud Storage */
    GCS,

    /** S3-compatible storage (MinIO, etc.) */
    S3_COMPAT

import com.google.cloud.NoCredentials;
import com.google.cloud.storage.Blob;
import com.google.cloud.storage.BlobId;
import com.google.cloud.storage.BlobInfo;
import com.google.cloud.storage.Bucket;
import com.google.cloud.storage.BucketInfo;
import com.google.cloud.storage.Storage;
import com.google.cloud.storage.Storage.BlobListOption;
import com.google.cloud.storage.StorageOptions;

/**

                                        <div class="form-check">
                                            <la:checkbox styleId="resetDictionaries" styleClass="form-check-input" property="resetDictionaries" disabled="${fesenType=='cloud' or fesenType=='aws'}"/>
                                            <label for="resetDictionaries" class="form-check-label">
                                                <la:message key="labels.enabled"/>

    // ============================================================
    // Search Engine Type Constants
    // ============================================================

    /** Cloud-based search engine type. */
    public static final String FESEN_TYPE_CLOUD = "cloud";

    /** AWS-based search engine type. */
    public static final String FESEN_TYPE_AWS = "aws";

    /** Search engine username configuration key. */

							<i class='fa fa-palette nav-icon' aria-hidden="true"></i>
							<p><la:message key="labels.menu_design" /></p>
						</a></li></c:if>
						
					<c:if test="${fe:permission('admin-dict-view') and fesenType!='cloud' and fesenType!='aws'}">
					<li class="nav-item">
						<a href="${fe:url('/admin/dict/')}" class="nav-link <c:if test="${param.menuType=='dict'}">active</c:if>" <c:if test="${param.menuType=='dict'}">aria-current="page"</c:if>>

                                        </div>
                                    </div>
                                </div>
                                <c:if test="${fesenType!='cloud' and fesenType!='aws'}">
                                <div class="form-group row">
                                    <span class="font-weight-bold col-sm-3 text-sm-right col-form-label"><la:message

        }

        final String lowerEndpoint = endpoint.toLowerCase(Locale.ROOT);

        // GCS patterns
        if (lowerEndpoint.contains("storage.googleapis.com") || lowerEndpoint.contains(".storage.cloud.google.com")) {
            return StorageType.GCS;
        }

        // S3 patterns
        if (lowerEndpoint.contains(".amazonaws.com") || lowerEndpoint.contains("s3.") || lowerEndpoint.contains("s3-")) {

					<artifactId>netty-nio-client</artifactId>
				</exclusion>
			</exclusions>
		</dependency>
		<dependency>
			<groupId>com.google.cloud</groupId>
			<artifactId>google-cloud-storage</artifactId>
			<version>${google.cloud.storage.version}</version>
		</dependency>
		<dependency>
			<groupId>org.apache.httpcomponents.client5</groupId>
			<artifactId>httpclient5</artifactId>