code: @Override
      public DBCluster startDBCluster(StartDBClusterRequest request) {
          request = beforeClientExecution(request);
          return executeStartDBCluster(request);
      }
docs: <p>
  Starts an Amazon Aurora DB cluster that was stopped using the AWS console, the stop-db-cluster AWS CLI command,
  or the StopDBCluster action.
  </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 startDBClusterRequest
  @return Result of the StartDBCluster 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.StartDBCluster
  @see <a href="http://docs.aws.amazon.com/goto/WebAPI/rds-2014-10-31/StartDBCluster" target="_top">AWS API
  Documentation</a>