/*j8583 A Java implementation of the ISO8583 protocolCopyright (C) 2007 Enrique Zamudio LopezThis library is free software; you can redistribute it and/ormodify it under the terms of the GNU Lesser General PublicLicense as published by the Free Software Foundation; eitherversion 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 ofMERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNULesser General Public License for more details.You should have received a copy of the GNU Lesser General PublicLicense along with this library; if not, write to the Free SoftwareFoundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA*/package com.solab.iso8583;/** This interface defines the behavior needed to provide sequence numbers for newly created * messages. It must provide sequence numbers between 1 and 999999, as per the ISO standard. * This value is put in field 11. * A default version that simply iterates through an int in memory is provided. *  * @author Enrique Zamudio */public interface TraceNumberGenerator {	/** Returns the next trace number. */	public int nextTrace();	/** Returns the last number that was generated. */	public int getLastTrace();}