Bug 122254 Not Like operator is missing in the Filter tab of Data Set window
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/parser/EngineIRVisitor.java
apply( elements.get( i ) );
			if ( currentElement != null )
			{
				band.addContent( (ReportItemDesign) currentElement );
			}
		}
		return band;
	}
	/**
	 * create a list group using the DE's ListGroup.
	 * 
	 * @param handle
	 *            De's list group
	 * @return engine's list group
	 */
	public void visitListGroup( ListGroupHandle handle )
	{
		ListGroupDesign listGroup = new ListGroupDesign( );
		setupGroup( listGroup, handle );
		ListBandDesign header = createListBand( handle.getHeader( ) );
		listGroup.setHeader( header );
		
		String tocExpr = handle.getTocExpression( );
		if ( null != tocExpr && !"".equals( tocExpr.trim( ) ) ) 
		{
			if ( header.getContentCount( ) > 0 )
			{
				ReportItemDesign item = (ReportItemDesign) header
						.getContent( 0 );
				item.setTOC( new Expression( tocExpr ) );