src/java.compiler/share/classes/javax/lang/model/util/ElementKindVisitor6.java

*** 1,7 ****
  /*
!  * Copyright (c) 2005, 2019, Oracle and/or its affiliates. All rights reserved.
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   *
   * This code is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.  Oracle designates this
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  /*
!  * Copyright (c) 2005, 2020, Oracle and/or its affiliates. All rights reserved.
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   *
   * This code is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.  Oracle designates this
*** 41,73 ****
   * to the <code>visit<i>Xyz</i>As<i>Kind</i></code> method corresponding to the
   * first argument's kind.  The <code>visit<i>Xyz</i>As<i>Kind</i></code> methods
   * call {@link #defaultAction defaultAction}, passing their arguments
   * to {@code defaultAction}'s corresponding parameters.
   *
!  * <p> Methods in this class may be overridden subject to their
!  * general contract.  Note that annotating methods in concrete
!  * subclasses with {@link java.lang.Override @Override} will help
!  * ensure that methods are overridden as intended.
!  *
!  * <p> <b>WARNING:</b> The {@code ElementVisitor} interface
!  * implemented by this class may have methods added to it or the
!  * {@code ElementKind} {@code enum} used in this case may have
!  * constants added to it in the future to accommodate new, currently
!  * unknown, language structures added to future versions of the
!  * Java&trade; programming language.  Therefore, methods whose names
!  * begin with {@code "visit"} may be added to this class in the
!  * future; to avoid incompatibilities, classes which extend this class
!  * should not declare any instance methods with names beginning with
!  * {@code "visit"}.
   *
   * <p>When such a new visit method is added, the default
!  * implementation in this class will be to call the {@link
!  * #visitUnknown visitUnknown} method.  A new abstract element kind
!  * visitor class will also be introduced to correspond to the new
!  * language level; this visitor will have different default behavior
!  * for the visit method in question.  When the new visitor is
!  * introduced, all or portions of this visitor may be deprecated.
   *
   * @param <R> the return type of this visitor's methods.  Use {@link
   *            Void} for visitors that do not need to return results.
   * @param <P> the type of the additional parameter to this visitor's
   *            methods.  Use {@code Void} for visitors that do not need an
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   * to the <code>visit<i>Xyz</i>As<i>Kind</i></code> method corresponding to the
   * first argument's kind.  The <code>visit<i>Xyz</i>As<i>Kind</i></code> 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.
!  *
!  * <p id=note_for_subclasses><strong>WARNING:</strong> The {@code
!  * ElementVisitor} interface implemented by this class may have
!  * methods added to it or the {@link ElementKind ElementKind enum}
!  * used in this class may have constants added to it in the future to
!  * accommodate new, currently unknown, language structures added to
!  * future versions of the Java&trade; programming language.
!  * Therefore, methods whose names begin with {@code "visit"} may be
!  * added to this class in the future; to avoid incompatibilities,
!  * classes and subclasses which extend this class should not declare
!  * any instance methods with names beginning with {@code "visit"}.</p>
   *
   * <p>When such a new visit method is added, the default
!  * implementation in this class will be to directly or indirectly call
!  * the {@link #visitUnknown visitUnknown} method.  A new abstract
!  * element kind visitor class will also be introduced to correspond to
!  * the new language level; this visitor will have different default
!  * behavior for the visit method in question.  When a new visitor is
!  * introduced, portions of this visitor class may be deprecated,
!  * including its constructors.
   *
   * @param <R> the return type of this visitor's methods.  Use {@link
   *            Void} for visitors that do not need to return results.
   * @param <P> the type of the additional parameter to this visitor's
   *            methods.  Use {@code Void} for visitors that do not need an