* @param currentTime The current time.
     * @return An optional entity of a data config.
     */
    public static OptionalEntity<DataConfig> getEntity(final CreateForm form, final String username, final long currentTime) {
        switch (form.crudMode) {
        case CrudMode.CREATE:
            return OptionalEntity.of(new DataConfig()).map(entity -> {
                entity.setCreatedBy(username);

     */
    @Size(max = 1000)
    public String createdBy;

    /**
     * The timestamp when these related queries were created.
     */
    @ValidateTypeFailure
    public Long createdTime;

    /**
     * Initializes the form with default values for creating new related queries.
     */
    public void initialize() {
        crudMode = CrudMode.CREATE;

     */
    @Size(max = 1000)
    public String createdBy;

    /**
     * The timestamp when this request header was created.
     */
    @ValidateTypeFailure
    public Long createdTime;

    /**
     * Initializes the form with default values for creating a new request header.
     */
    public void initialize() {
        crudMode = CrudMode.CREATE;

     * The unique identifier of the protected words dictionary entry being edited.
     * This is a required field for identifying which dictionary entry to update.
     */
    @Required
    @ValidateTypeFailure
    public Long id;

    /**
     * Returns a display-friendly identifier combining the dictionary ID and entry ID.
     * This method creates a composite identifier for UI display purposes.
     *

 * processing failures such as token validation errors, communication failures
 * with SSO providers, or configuration issues.
 */
public class SsoProcessException extends FessSystemException {

    private static final long serialVersionUID = 1L;

    /**
     * Constructs a new SSO process exception with the specified detailed message.
     *
     * @param message The detailed error message explaining the cause of the exception
     */

     * @return The result of the execution.
     */
    public String execute() {
        final StringBuilder resultBuf = new StringBuilder();
        scoreBoosterList.forEach(b -> {
            try {
                final long count = b.process();
                resultBuf.append(b.getClass().getSimpleName()).append(" : ").append(count).append('\n');
            } catch (final Exception e) {

 * This exception indicates that an external command or process execution encountered an error.
 */
public class CommandExecutionException extends FessSystemException {

    private static final long serialVersionUID = 1L;

    /**
     * Constructor with error message.
     * @param message The error message describing the command execution failure.
     */
    public CommandExecutionException(final String message) {

 * that don't declare ServletException in their throws clause.
 */
public class ServletRuntimeException extends RuntimeException {

    /** Serial version UID for serialization compatibility. */
    private static final long serialVersionUID = 1L;

    /**
     * Constructs a new ServletRuntimeException wrapping the given ServletException.
     *
     * @param e The ServletException to wrap
     */

 * This exception is used for errors during theme installation, uninstallation, or configuration.
 */
public class ThemeException extends FessSystemException {

    private static final long serialVersionUID = 1L;

    /**
     * Constructs a new ThemeException with the specified message and cause.
     *
     * @param message the exception message
     * @param cause the underlying cause of this exception

 * This exception is used for errors during thumbnail creation and processing.
 */
public class ThumbnailGenerationException extends FessSystemException {

    private static final long serialVersionUID = 1L;

    /**
     * Constructs a new ThumbnailGenerationException with the specified message and cause.
     *
     * @param message the exception message