assert PropertyType.ELEMENT_REF_TYPE == prop.getTypeCode( );
assert IPropertyType.ELEMENT_REF_TYPE == prop.getTypeCode( );
	private boolean checkElementReference( Module module,			DesignElement element, ElementPropertyDefn prop )	{		// This must be an element reference property 		assert PropertyType.ELEMENT_REF_TYPE == prop.getTypeCode( );		// Attempt to resolve the reference.		ElementRefValue ref = element.resolveElementReference( module, prop );		if ( ref == null )			return true;		return ref.isResolved( );	}