code: @Override
      public DBCluster stopDBCluster(StopDBClusterRequest request) {
          request = beforeClientExecution(request);
          return executeStopDBCluster(request);
      }
docs: <p>
  Stops an Amazon Aurora DB cluster. When you stop a DB cluster, Aurora retains the DB cluster's metadata,
  including its endpoints and DB parameter groups. Aurora also retains the transaction logs so you can do a
  point-in-time restore if necessary.
  </p>
  <p>
  For more information, see <a
  href="https://docs.aws.amazon.com/AmazonRDS/latest/AuroraUserGuide/aurora-cluster-stop-start.html"> Stopping and
  Starting an Aurora Cluster</a> in the <i>Amazon Aurora User Guide.</i>
  </p>
  <note>
  <p>
  This action only applies to Aurora DB clusters.
  </p>
  </note>
  
  @param stopDBClusterRequest
  @return Result of the StopDBCluster operation returned by the service.
  @throws DBClusterNotFoundException
  <i>DBClusterIdentifier</i> doesn't refer to an existing DB cluster.
  @throws InvalidDBClusterStateException
  The requested operation can't be performed while the cluster is in this state.
  @throws InvalidDBInstanceStateException
  The DB instance isn't in a valid state.
  @sample AmazonRDS.StopDBCluster
  @see <a href="http://docs.aws.amazon.com/goto/WebAPI/rds-2014-10-31/StopDBCluster" target="_top">AWS API
  Documentation</a>