-- | http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-resource-docdb-dbcluster.html#cfn-docdb-dbcluster-preferredbackupwindow
ddbdbcPreferredBackupWindow :: Lens' DocDBDBCluster (Maybe (Val Text))
ddbdbcPreferredBackupWindow = lens _docDBDBClusterPreferredBackupWindow (\s a -> s { _docDBDBClusterPreferredBackupWindow = a })
ddbdbcPreferredBackupWindow :: Lens' DocDBDBCluster (Maybe (Val Text))
ddbdbcPreferredBackupWindow = lens _docDBDBClusterPreferredBackupWindow (\s a -> s { _docDBDBClusterPreferredBackupWindow = a })
ddbdbcPreferredBackupWindow = lens _docDBDBClusterPreferredBackupWindow (\s a -> s { _docDBDBClusterPreferredBackupWindow = a })