return StorageType.S3;
        }

        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

import com.google.cloud.storage.StorageOptions;

/**
 * Handler for the "gcs" protocol, allowing access to objects stored in Google Cloud Storage.
 * This handler extends {@link URLStreamHandler} to provide a way to open connections to GCS objects
 * using URLs with the "gcs" protocol.
 *
 * <p>
 * The URL format is expected to be: {@code gcs://bucketName/objectName}.
 * The bucket name and object name are extracted from the URL.

		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">
		<property name="charset">"UTF-8"</property>
	</component>

	<component name="crawlerClientCreator"
		class="org.codelibs.fess.crawler.client.CrawlerClientCreator">
	</component>

 */
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 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.
     *
     * @param objectName the name/path for the object