--- old/src/java.compiler/share/classes/javax/lang/model/util/ElementScanner8.java 2020-03-13 20:21:19.914000000 -0700 +++ new/src/java.compiler/share/classes/javax/lang/model/util/ElementScanner8.java 2020-03-13 20:21:19.494000000 -0700 @@ -1,5 +1,5 @@ /* - * Copyright (c) 2011, 2019, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2011, 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 @@ -56,27 +56,9 @@ * calling super.visitXyz, an overriding visit method * should call {@code scan} with the elements in the desired order. * - *

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. - * - *

WARNING: The {@code ElementVisitor} interface - * implemented by this class may have methods added to it in the - * future to accommodate new, currently unknown, language structures - * added to future versions of the Java™ 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"}. - * - *

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 element scanner 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. + * @apiNote + * Methods in this class may be overridden subject to their + * general contract. * * @param the return type of this visitor's methods. Use {@link * Void} for visitors that do not need to return results. @@ -84,6 +66,7 @@ * methods. Use {@code Void} for visitors that do not need an * additional parameter. * + * @see Compatibility note for subclasses * @see ElementScanner6 * @see ElementScanner7 * @see ElementScanner9