public boolean checkElementReference( ReportDesign design, String propName )
public boolean checkElementReference( Module module, String propName )
	public boolean checkElementReference( ReportDesign design, String propName )	{		assert !StringUtil.isBlank( propName );		// Is the value set?		Object value = propValues.get( propName );		if ( value == null )			return true;		// This must be an element reference property.		ElementPropertyDefn prop = getPropertyDefn( propName );		assert PropertyType.ELEMENT_REF_TYPE == prop.getTypeCode( );		// Attempt to resolve the reference.		ElementRefValue ref = resolveElementReference( design, prop );		return ref.isResolved( );	}