001    /*
002     * Copyright 2005 Sun Microsystems, Inc.  All Rights Reserved.
003     * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
004     *
005     * This code is free software; you can redistribute it and/or modify it
006     * under the terms of the GNU General Public License version 2 only, as
007     * published by the Free Software Foundation.  Sun designates this
008     * particular file as subject to the "Classpath" exception as provided
009     * by Sun in the LICENSE file that accompanied this code.
010     *
011     * This code is distributed in the hope that it will be useful, but WITHOUT
012     * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
013     * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
014     * version 2 for more details (a copy is included in the LICENSE file that
015     * accompanied this code).
016     *
017     * You should have received a copy of the GNU General Public License version
018     * 2 along with this work; if not, write to the Free Software Foundation,
019     * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
020     *
021     * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
022     * CA 95054 USA or visit www.sun.com if you need additional information or
023     * have any questions.
024     */
025    
026    package com.sun.source.tree;
027    
028    /**
029     * A tree node for a wildcard type argument.
030     * Use {@link #getKind getKind} to determine the kind of bound.
031     *
032     * For example:
033     * <pre>
034     *   ?
035     *
036     *   ? extends <em>bound</em>
037     *
038     *   ? super <em>bound</em>
039     * </pre>
040     *
041     * @see "The Java Language Specification, 3rd ed, section 4.5.1"
042     *
043     * @author Peter von der Ah&eacute;
044     * @author Jonathan Gibbons
045     * @since 1.6
046     */
047    public interface WildcardTree extends Tree {
048        Tree getBound();
049    }