Bug 204245 Blank column on visibility column in excel[0300]
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/executor/buffermgr/TableContentLayout.java
{
	/**
	 * rows in the table layout
	 */
	Row[] rows;
	int rowCount;
	int colCount;
	int realColCount;
	int rowBufferSize;
	int colBufferSize;
	boolean isRowHidden;
	String format;