@@ -28,6 +28,7 @@ import com.github.javaparser.ast.Node;
  */
 public class PrettyPrinter {
     private final PrettyPrinterConfiguration configuration;
+    private PrettyPrintVisitor visitor;
 
     public PrettyPrinter() {
         this(new PrettyPrinterConfiguration());
/*
 * Copyright (C) 2007-2010 Júlio Vilmar Gesser.
 * Copyright (C) 2011, 2013-2016 The JavaParser Team.
 *
 * This file is part of JavaParser.
 *
 * JavaParser can be used either under the terms of
 * a) the GNU Lesser General Public License as published by
 *     the Free Software Foundation, either version 3 of the License, or
 *     (at your option) any later version.
 * b) the terms of the Apache License
 *
 * You should have received a copy of both licenses in LICENCE.LGPL and
 * LICENCE.APACHE. Please refer to those files for details.
 *
 * JavaParser is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 */

package com.github.javaparser.printer;

import com.github.javaparser.ast.Node;

/**
 * Pretty printer for AST nodes.
 */
public class PrettyPrinter {
    private final PrettyPrinterConfiguration configuration;

    public PrettyPrinter() {
        this(new PrettyPrinterConfiguration());
    }

    public PrettyPrinter(PrettyPrinterConfiguration configuration) {
        this.configuration = configuration;
    }

    public String print(Node node) {
        final PrettyPrintVisitor visitor = new PrettyPrintVisitor(configuration);
        node.accept(visitor, null);
        return visitor.getSource();
    }
}

If the visitor is in the configuration, then we don't really need to add it here