Bug 184762 BIRT Model - Enhancments to the level defintion
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/elements/ElementVisitor.java
visitMasterPage( obj );
	}
	/**
	 * Visits the parameter group element.
	 * 
	 * @param obj
	 *            the parameter group to traverse
	 */
	public void visitParameterGroup( ParameterGroup obj )
	{
		visitDesignElement( obj );
	}
	/**
	 * Visits the cascading parameter group element.
	 * 
	 * @param obj
	 *            the cascading parameter group to traverse
	 */
	public void visitCascadingParameterGroup( CascadingParameterGroup obj )
	{
		visitParameterGroup( obj );
	}
	/**
	 * Visits the report design element.
	 * 
	 * @param obj
	 *            the report design to traverse
	 */
	public void visitReportDesign( ReportDesign obj )
	{