Bug 184762 BIRT Model - Enhancments to the level defintion
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/elements/ElementVisitor.java
*            the data item to traverse
	 */
	public void visitDataItem( DataItem obj )
	{
		visitReportItem( obj );
	}
	/**
	 * Visits the multi-line data item element.
	 * 
	 * @param obj
	 *            the multi-line data item to traverse
	 */
	public void visitTextDataItem( TextDataItem obj )
	{
		visitReportItem( obj );
	}
	/**
	 * Visits the text item element.
	 * 
	 * @param obj
	 *            the text item to traverse
	 */
	public void visitTextItem( TextItem obj )
	{
		visitReportItem( obj );
	}
	/**
	 * Visits the image item element.
	 * 
	 * @param obj