public BackRefRecord( ReferenceableElement obj, DesignElement reference, String propName )
public BackRefRecord( ReportDesign design, ReferenceableElement referred, DesignElement reference, String propName )
	public BackRefRecord( ReferenceableElement obj, DesignElement reference,			String propName )	{		this.referred = obj;		this.reference = reference;		this.propName = propName;		assert referred != null;			}