-- | Valid values are case-sensitive and vary by action.
avValue :: Lens' AttributeValue (Maybe Text)
avValue = lens _avValue (\s a -> s { _avValue = a })
avValue :: Lens' AttributeValue (Maybe Text)
avValue = lens _avValue (\s a -> s { _avValue = a })
avValue = lens _avValue (\s a -> s { _avValue = a })