public XSSFEvaluationWorkbook getWbWrapper() {
		if ((this.wbWrapper == null) && (this.getWb() != null)) {
			this.wbWrapper = XSSFEvaluationWorkbook
					.create((XSSFWorkbook) this.getWb());
		}
		return wbWrapper;
	}
public XSSFEvaluationWorkbook getWbWrapper() {
		if ((this.wbWrapper == null) && (this.getWb() != null)) {
			this.wbWrapper = XSSFEvaluationWorkbook
					.create((XSSFWorkbook) this.getWb());
		}
		return wbWrapper;
	}
public XSSFEvaluationWorkbook getWbWrapper ( ) { if ( ( this . wbWrapper == null ) && ( this . getWb ( ) != null ) ) { this . wbWrapper = XSSFEvaluationWorkbook . create ( ( XSSFWorkbook ) this . getWb ( ) ) ; } return wbWrapper ; }
Return evaluation wrapper if needed.

@return wbwrapper.
Return evaluation wrapper if needed .