-- | Valid values are 'true' or 'false'.
abvValue :: Lens' AttributeBooleanValue (Maybe Bool)
abvValue = lens _abvValue (\s a -> s { _abvValue = a })
abvValue :: Lens' AttributeBooleanValue (Maybe Bool)
abvValue = lens _abvValue (\s a -> s { _abvValue = a })
abvValue = lens _abvValue (\s a -> s { _abvValue = a })