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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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* Copyright (C) 1999 University of Waikato, Hamilton, New Zealand
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* Interface implemented by classes that can produce "shallow" copies
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* of their objects. (As opposed to clone(), which is supposed to
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* produce a "deep" copy.)
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* @author Eibe Frank (eibe@cs.waikato.ac.nz)
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* @version $Revision: 1.6 $
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public interface Copyable {
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* This method produces a shallow copy of an object.
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* It does the same as the clone() method in Object, which also produces