-- | The duration of the Reserved Instance, in seconds.
rioDuration :: Lens' ReservedInstancesOffering (Maybe Integer)
rioDuration = lens _rioDuration (\s a -> s { _rioDuration = a })
rioDuration :: Lens' ReservedInstancesOffering (Maybe Integer)
rioDuration = lens _rioDuration (\s a -> s { _rioDuration = a })
rioDuration = lens _rioDuration (\s a -> s { _rioDuration = a })