-- | The weekly time range (in UTC) during which automated cluster
-- maintenance can occur.
--
-- Format: 'ddd:hh24:mi-ddd:hh24:mi'
--
-- Default: A 30-minute window selected at random from an 8-hour block of
-- time per region, occurring on a random day of the week. For more
-- information about the time blocks for each region, see
-- <http://docs.aws.amazon.com/redshift/latest/mgmt/working-with-clusters.html#rs-maintenance-windows Maintenance Windows>
-- in Amazon Redshift Cluster Management Guide.
--
-- Valid Days: Mon | Tue | Wed | Thu | Fri | Sat | Sun
--
-- Constraints: Minimum 30-minute window.
ccPreferredMaintenanceWindow :: Lens' CreateCluster (Maybe Text)
ccPreferredMaintenanceWindow = lens _ccPreferredMaintenanceWindow (\ s a -> s{_ccPreferredMaintenanceWindow = a})
ccPreferredMaintenanceWindow :: Lens' CreateCluster (Maybe Text)
ccPreferredMaintenanceWindow = lens _ccPreferredMaintenanceWindow (\ s a -> s{_ccPreferredMaintenanceWindow = a})
ccPreferredMaintenanceWindow = lens _ccPreferredMaintenanceWindow (\ s a -> s{_ccPreferredMaintenanceWindow = a})