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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * accompanied this code).
 *
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package javax.lang.model.util;

import jdk.internal.javac.PreviewFeature;

import javax.annotation.processing.SupportedSourceVersion;
import javax.annotation.processing.ProcessingEnvironment;
import static javax.lang.model.SourceVersion.*;

/**
 * A simple visitor for annotation values with default behavior
 * appropriate for a {@linkplain
 * ProcessingEnvironment#isPreviewEnabled preview} source version.
 *
 * Visit methods call {@link #defaultAction
 * defaultAction} passing their arguments to {@code defaultAction}'s
 * corresponding parameters.
 *
 * @apiNote
 * Methods in this class may be overridden subject to their general
 * contract.
 *
 * @param <R> the return type of this visitor's methods
 * @param <P> the type of the additional parameter to this visitor's methods.
 *
 * @see javax.lang.model.util##expectedEvolution
 * <strong>Expected visitor evolution</strong>
 * @see AbstractAnnotationValueVisitor6##note_for_subclasses
 * <strong>Compatibility note for subclasses</strong>
 * @see SimpleAnnotationValueVisitor6
 * @see SimpleAnnotationValueVisitor7
 * @see SimpleAnnotationValueVisitor8
 * @see SimpleAnnotationValueVisitor9
 * @see SimpleAnnotationValueVisitor14
 * @since 23
 */
@SupportedSourceVersion(RELEASE_26)
@PreviewFeature(feature=PreviewFeature.Feature.LANGUAGE_MODEL, reflective=true)
public class SimpleAnnotationValueVisitorPreview<R, P> extends SimpleAnnotationValueVisitor14<R, P> {
    /**
     * Constructor for concrete subclasses; uses {@code null} for the
     * default value.
     */
    protected SimpleAnnotationValueVisitorPreview() {
        super(null);
    }

    /**
     * Constructor for concrete subclasses; uses the argument for the
     * default value.
     *
     * @param defaultValue the value to assign to {@link #DEFAULT_VALUE}
     */
    protected SimpleAnnotationValueVisitorPreview(R defaultValue) {
        super(defaultValue);
    }
}