001    // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
002    // for details. All rights reserved. Use of this source code is governed by a
003    // BSD-style license that can be found in the LICENSE file.
004    
005    package com.google.dart.compiler.backend.js.ast;
006    
007    import org.jetbrains.annotations.NotNull;
008    
009    public class JsEmpty extends SourceInfoAwareJsNode implements JsStatement {
010        JsEmpty() {
011        }
012    
013        @Override
014        public void accept(JsVisitor v) {
015            v.visitEmpty(this);
016        }
017    
018        @Override
019        public void traverse(JsVisitorWithContext v, JsContext ctx) {
020            v.visit(this, ctx);
021            v.endVisit(this, ctx);
022        }
023    
024        @NotNull
025        @Override
026        public JsEmpty deepCopy() {
027            return this;
028        }
029    }