'Propagate configuration arguments made on this composite
to the target columns, for those that apply.'

def _setup_arguments_on_columns(self):

    for prop in self.props:
        prop.active_history = self.active_history
        if self.deferred:
            prop.deferred = self.deferred
            prop.strategy_class = prop._strategy_lookup(('deferred', True), ('instrument', True))
        prop.group = self.group
