-- | The first port in the range.
prFrom :: Lens' PortRange (Maybe Int)
prFrom = lens _prFrom (\s a -> s { _prFrom = a })
prFrom :: Lens' PortRange (Maybe Int)
prFrom = lens _prFrom (\s a -> s { _prFrom = a })
prFrom = lens _prFrom (\s a -> s { _prFrom = a })