import net.sf.jasperreports.engine.export.JRXlsAbstractExporter;
import net.sf.jasperreports.engine.export.LengthUtil;
import net.sf.jasperreports.engine.export.XlsRowLevelInfo;
import net.sf.jasperreports.engine.export.ooxml.type.PaperSizeEnum;
import net.sf.jasperreports.engine.util.FileBufferedWriter;
<BUG>import net.sf.jasperreports.engine.util.JRColorUtil;
import net.sf.jasperreports.export.XlsReportConfiguration;
import org.apache.commons.lang.StringEscapeUtils;
import org.apache.commons.lang.StringUtils;</BUG>
public class XlsxSheetHelper extends BaseHelper

import net.sf.jasperreports.engine.export.JRXlsAbstractExporter;
import net.sf.jasperreports.engine.export.LengthUtil;
import net.sf.jasperreports.engine.export.XlsRowLevelInfo;
import net.sf.jasperreports.engine.export.ooxml.type.PaperSizeEnum;
import net.sf.jasperreports.engine.util.FileBufferedWriter;
import net.sf.jasperreports.engine.util.JRColorUtil;
import net.sf.jasperreports.engine.util.JRStringUtil;
import net.sf.jasperreports.export.XlsReportConfiguration;
public class XlsxSheetHelper extends BaseHelper
