*
   * @see <a href=
   *     "https://www.gwtproject.org/doc/latest/DevGuideServerCommunication#DevGuideSerializableTypes">
   *     Documentation about GWT serialization</a>
   */
  boolean serializable() default false;

  /**
   * When {@code true}, the annotated type is emulated in GWT. The emulated source (also known as
   * super-source) is different from the implementation used by the JVM.
   *
   * @see <a href=

        case WACK -> "WACK";
        default -> Integer.toString(this.opCode);
        };
        resultCodeString = switch (this.resultCode) {
        case FMT_ERR -> "FMT_ERR";
        case SRV_ERR -> "SRV_ERR";
        case IMP_ERR -> "IMP_ERR";
        case RFS_ERR -> "RFS_ERR";
        case ACT_ERR -> "ACT_ERR";
        case CFT_ERR -> "CFT_ERR";
        default -> "0x" + Hexdump.toHexString(this.resultCode, 1);

        case WACK -> "WACK";
        default -> Integer.toString(opCode);
        };
        resultCodeString = switch (resultCode) {
        case FMT_ERR -> "FMT_ERR";
        case SRV_ERR -> "SRV_ERR";
        case IMP_ERR -> "IMP_ERR";
        case RFS_ERR -> "RFS_ERR";
        case ACT_ERR -> "ACT_ERR";
        case CFT_ERR -> "CFT_ERR";
        default -> "0x" + Hexdump.toHexString(resultCode, 1);
        };

 * functionality to find the appropriate manager for incoming requests.
 */
public class WebApiManagerFactory {

    /**
     * Default constructor.
     */
    public WebApiManagerFactory() {
        // Default constructor
    }

    /**
     * Array of registered web API managers.
     */
    protected WebApiManager[] webApiManagers = {};

    /**

/**
 * API action for admin document management.
 * Provides RESTful API endpoints for bulk document operations in the Fess search engine.
 * Supports indexing multiple documents with automatic field validation and default value assignment.
 */
public class ApiAdminDocumentsAction extends FessApiAdminAction {

    // ===================================================================================
    // Constant
    //

    /** List of duplicate host rules for URL conversion */
    protected List<DuplicateHost> duplicateHostList;

    /**
     * Default constructor for DuplicateHostHelper.
     * Creates a new duplicate host helper instance.
     */
    public DuplicateHostHelper() {
        // Default constructor
    }

    /**
     * Initializes the duplicate host helper after construction.

/**
 * Implementation of {@link ImmutableMap} backed by a non-empty {@link java.util.EnumMap}.
 *
 * @author Louis Wasserman
 */
@GwtCompatible
@SuppressWarnings("serial") // we're overriding default serialization
final class ImmutableEnumMap<K extends Enum<K>, V> extends IteratorBasedImmutableMap<K, V> {
  static <K extends Enum<K>, V> ImmutableMap<K, V> asImmutable(EnumMap<K, V> map) {
    switch (map.size()) {

```

**Required Fields**:
- `url` - Unique document identifier/URL
- `title` - Document title
- `content` - Full text content

**Optional Fields**:
- `mimetype` - MIME type (default: text/html)
- `filetype` - File extension (default: html)
- `created` - Creation timestamp
- `timestamp` - Last modified timestamp
- `boost` - Document boost factor
- `label` - Access control labels

import org.codelibs.fess.app.pager.SearchLogPager;
import org.codelibs.fess.util.ComponentUtil;

/**
 * The search form for Search Log.
 */
public class SearchForm {

    /**
     * Default constructor for SearchForm.
     */
    public SearchForm() {
    }

    /**
     * The log type field for filtering search logs.
     */
    public String logType;

    /**

 * This action displays error pages when unhandled exceptions occur
 * during search operations or page navigation.
 */
public class ErrorAction extends FessSearchAction {

    /**
     * Default constructor for ErrorAction.
     */
    public ErrorAction() {
        super();
    }

    // ===================================================================================