Stops an Amazon Neptune DB cluster. When you stop a DB cluster, Neptune retains the DB cluster's metadata, including its endpoints and DB parameter groups.
See https://paws-r.github.io/docs/neptune/stop_db_cluster.html for full documentation.
neptune_stop_db_cluster(DBClusterIdentifier)[required] The DB cluster identifier of the Neptune DB cluster to be stopped. This parameter is stored as a lowercase string.