code: @Override
      public Cluster modifyClusterMaintenance(ModifyClusterMaintenanceRequest request) {
          request = beforeClientExecution(request);
          return executeModifyClusterMaintenance(request);
      }
docs: <p>
  Modifies the maintenance settings of a cluster. For example, you can defer a maintenance window. You can also
  update or cancel a deferment.
  </p>
  
  @param modifyClusterMaintenanceRequest
  @return Result of the ModifyClusterMaintenance operation returned by the service.
  @throws ClusterNotFoundException
  The <code>ClusterIdentifier</code> parameter does not refer to an existing cluster.
  @sample AmazonRedshift.ModifyClusterMaintenance
  @see <a href="http://docs.aws.amazon.com/goto/WebAPI/redshift-2012-12-01/ModifyClusterMaintenance"
  target="_top">AWS API Documentation</a>