Bug 184762 BIRT Model - Enhancments to the level defintion
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/elements/ElementVisitor.java
{
	/**
	 * Visits the free form element.
	 * 
	 * @param obj
	 *            the free form to traverse
	 */
	public void visitFreeForm( FreeForm obj )
	{
		visitReportItem( obj );
	}
	/**
	 * Visits the data set element.
	 * 
	 * @param obj
	 *            the data set to traverse
	 */
	public void visitDataSet( DataSet obj )
	{
		visitDesignElement( obj );
	}
	/**
	 * Visits the data set element.
	 * 
	 * @param obj