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/*
 * Copyright (c) 1997, 2020 Oracle and/or its affiliates. All rights reserved.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v. 2.0, which is available at
 * http://www.eclipse.org/legal/epl-2.0.
 *
 * This Source Code may also be made available under the following Secondary
 * Licenses when the conditions for such availability set forth in the
 * Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
 * version 2 with the GNU Classpath Exception, which is available at
 * https://www.gnu.org/software/classpath/license.html.
 *
 * SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
 */

package jakarta.faces.annotation;

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

import java.lang.annotation.Retention;
import java.lang.annotation.Target;

import jakarta.enterprise.util.Nonbinding;
import jakarta.inject.Qualifier;

/**
 * 
 * The presence of this annotation on a managed bean deployed within an application causes version specific features to
 * be enabled as specified in the enum {@link Version}
 * 
 */
@Qualifier
@Target(TYPE)
@Retention(RUNTIME)
public @interface FacesConfig {

    public static enum Version {

        /**
         * 
         * This value indicates CDI should be used for Jakarta Expression Language resolution as well as enabling Jakarta Server
         * Faces CDI injection, as specified in Section 5.6.3 "CDI for EL Resolution" and Section 5.9 "CDI Integration".
         * 
         */
        JSF_2_3

    }

    /**
     * 
     * The value of this attribute indicates that features corresponding to this version must be enabled for this
     * application.
     * 
     *
     * @return the spec version for which the features must be enabled.
     */
    @Nonbinding
    Version version() default Version.JSF_2_3;

}