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Ladybug adds message based debugging and message based unit testing and system testing to your Java application. Call Ladybug at certain checkpoints in you code (either directly or using AOP) to generate tree based reports. Implement a rerun method to be able to rerun reports and optionally stub certain checkpoints for regression testing.

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/*
 * Copyright (c) 2008, 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
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code 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 General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
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 */
package nl.nn.xmldecoder;

/**
 * This interface represents the result of method execution.
 *
 * @since 1.7
 *
 * @author Sergey A. Malenkov
 */
public interface ValueObject {

    /**
     * Returns the result of method execution.
     *
     * @return the result of method execution
     */
    Object getValue();

    /**
     * Returns {@code void} state of this value object.
     *
     * @return {@code true} if value can be ignored,
     *         {@code false} otherwise
     */
    boolean isVoid();
}