});

    }

    /**
     * Sets up the search conditions for group list queries based on pager criteria.
     * Configures the condition bean with ID filtering and ordering by name.
     *
     * @param cb the condition bean for building the query
     * @param groupPager the pager containing search and filter criteria
     */

 *     }
 * }
 * </pre>
 *
 * @author higa
 * @see BeanDescFactory
 */
public interface BeanDesc {

    /**
     * Returns the class of the Bean.
     *
     * @param <T>
     *            The class of the Bean
     * @return The class of the Bean
     */
    <T> Class<T> getBeanClass();

    /**
     * Returns a map from type variables to type arguments.
     *

         * @return The user type.
         */
        OptionalThing<String> supply();
    }

    /**
     * The supplier of user bean.
     */
    @FunctionalInterface
    public interface UserBeanSupplier {
        /**
         * Supply the user bean.
         * @return The user bean.
         */
        OptionalThing<FessUserBean> supply();
    }

    /**
     * The supplier of application type.
     */

    //                                                                       =============
    /**
     * Creates a user bean from the given user entity.
     *
     * @param user the user entity to create a bean from
     * @return the created user bean
     */
    @Override
    protected FessUserBean createUserBean(final FessUser user) {
        return new FessUserBean(user);
    }

   * multisets ("constant multisets"). Example:
   *
   * {@snippet :
   * public static final ImmutableMultiset<Bean> BEANS =
   *     new ImmutableMultiset.Builder<Bean>()
   *         .addCopies(Bean.COCOA, 4)
   *         .addCopies(Bean.GARDEN, 6)
   *         .addCopies(Bean.RED, 8)
   *         .addCopies(Bean.BLACK_EYED, 10)
   *         .build();
   * }
   *

     *
     * @return {@link BeanDesc}
     */
    BeanDesc getBeanDesc();

    /**
     * Returns the constructor.
     *
     * @param <T>
     *            The type of the Bean
     * @return The constructor
     */
    <T> Constructor<T> getConstructor();

    /**
     * Returns an array of the parameter types of the constructor.
     *

        FessUserBean anotherBean = new FessUserBean(anotherUser);
        assertSame(anotherUser, anotherBean.getFessUser());
    }

    public void test_empty() {
        // Test empty user bean creation
        FessUserBean emptyBean = FessUserBean.empty();
        assertNotNull(emptyBean);

        // Test getUserId returns EMPTY_USER_ID
        assertEquals(Constants.EMPTY_USER_ID, emptyBean.getUserId());

import static java.lang.annotation.ElementType.METHOD;
import static java.lang.annotation.ElementType.TYPE;
import static java.lang.annotation.RetentionPolicy.RUNTIME;

/**
 * Specifies the priority of a bean implementation when multiple implementations
 * of the same type are available.
 * <p>
 * Higher values indicate higher priority. When multiple implementations of the same

        }).orElse(null);
    }

    /**
     * Extracts the user code from the user bean stored in the session.
     * This method retrieves the authenticated user information and creates an encrypted user code.
     *
     * @param request the HTTP servlet request
     * @return the user code from the user bean, or null if not found or invalid
     */

 * <p>
 * This annotation can be used on static methods to programmatically create and configure
 * beans that will be managed by the dependency injection container. It's particularly
 * useful when the bean creation requires complex logic or when the bean needs to be
 * configured based on runtime conditions.
 * <p>
 * Example usage:
 * <pre>
 * public class Providers {
 *     {@literal @}Provides
 *     {@literal @}Singleton