// Get explicit type or auto-detect
        final String typeStr = fessConfig.getStorageType();
        final StorageType type;
        if (StringUtil.isBlank(typeStr) || "auto".equalsIgnoreCase(typeStr)) {
            type = detectStorageType(endpoint);
            if (logger.isDebugEnabled()) {
                logger.debug("Auto-detected storage type: {} for endpoint: {}", type, endpoint);
            }

     */
    public void setHasHeader(final boolean hasHeader) {
        this.hasHeader = hasHeader;
    }

    /**
     * Sets whether to auto-detect the delimiter.
     *
     * @param autoDetectDelimiter true to auto-detect
     */
    public void setAutoDetectDelimiter(final boolean autoDetectDelimiter) {
        this.autoDetectDelimiter = autoDetectDelimiter;
    }

    /**

        Handler handler = new Handler();
        Handler.GcsURLConnection conn = (Handler.GcsURLConnection) handler.openConnection(url);

        // getInputStream should try to auto-connect (and fail due to missing project ID)
        try {
            conn.getInputStream();
            fail("Should throw IOException");
        } catch (IOException e) {

        Handler handler = new Handler();
        Handler.StorageURLConnection conn = (Handler.StorageURLConnection) handler.openConnection(url);

        // getInputStream should try to auto-connect (and fail due to missing endpoint)
        try {
            conn.getInputStream();
            fail("Should throw IOException");
        } catch (IOException e) {

        final String osddLinkEnabled = fessConfig.getOsddLinkEnabled();
        if (Constants.TRUE.equalsIgnoreCase(osddLinkEnabled)) {
            return true;
        }

        if (!Constants.AUTO.equalsIgnoreCase(osddLinkEnabled)) {
            return false;
        }

        final String ssoType = fessConfig.getSsoType();
        return StringUtil.isBlank(ssoType) || Constants.NONE.equalsIgnoreCase(ssoType);

     * Specifies which bucket to use for storing files in cloud storage.
     */
    @Size(max = 1000)
    public String storageBucket;

    /**
     * Storage type for cloud storage (s3, gcs, auto).
     * Determines which storage client to use.
     */
    @Size(max = 20)
    public String storageType;

    /**
     * Storage region for S3.
     * AWS region where the S3 bucket is located.

    /** Status constant representing stopped state. */
    public static final String STOP = "stop";

    /** Constant representing automatic mode. */
    public static final String AUTO = "auto";

    /** Constant representing no value or empty state. */
    public static final String NONE = "none";

    // ============================================================
    // Item/Field Identifiers

labels.storage_endpoint=Endpoint
labels.storage_access_key=Access Key
labels.storage_secret_key=Secret Key
labels.storage_bucket=Bucket
labels.storage_type=Type
labels.storage_type_auto=Auto
labels.storage_type_s3=S3
labels.storage_type_gcs=GCS
labels.storage_region=Region
labels.storage_project_id=Project ID
labels.storage_credentials_path=Credentials Path
labels.send_testmail=Send Test Mail

indexer.max.search.doc.size=50000

# index setting

# Codec type for the index.
index.codec=default
# Number of primary shards for the index.
index.number_of_shards=5
# Auto expand replicas setting for the index.
index.auto_expand_replicas=0-1
# Digest algorithm for index IDs.
index.id.digest.algorithm=SHA-512
# Initial password for the index user.
index.user.initial_password=admin

ds.delete(sessionId);
```

### Resource Cleanup Pattern

```java
// Always use try-with-resources for ResponseData
try (ResponseData responseData = client.execute(requestData)) {
    // Process
}  // Temp files auto-deleted
```

---

## Best Practices for AI Assistants

### When Adding Features

1. Read existing code first (use symbol overview tools)
2. Follow existing patterns
3. Add tests