#NEWLINE# def _add_getter( self ) : #NEWLINE# #INDENT# '\n        Add a read-only ``{prop_name}`` property to the element class for\n        this child element.\n        ' #NEWLINE# property_ = property ( self . _getter , None , None ) #NEWLINE# setattr ( self . _element_cls , property_ . _prop_name , property_ )