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://www.paws-r-sdk.com/docs/neptune_stop_db_cluster/ 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.