code: @Override
      public ModifyClusterSnapshotScheduleResult modifyClusterSnapshotSchedule(ModifyClusterSnapshotScheduleRequest request) {
          request = beforeClientExecution(request);
          return executeModifyClusterSnapshotSchedule(request);
      }
docs: <p>
  Modifies a snapshot schedule for a cluster.
  </p>
  
  @param modifyClusterSnapshotScheduleRequest
  @return Result of the ModifyClusterSnapshotSchedule operation returned by the service.
  @throws ClusterNotFoundException
  The <code>ClusterIdentifier</code> parameter does not refer to an existing cluster.
  @throws SnapshotScheduleNotFoundException
  We could not find the specified snapshot schedule.
  @throws InvalidClusterSnapshotScheduleStateException
  The cluster snapshot schedule state is not valid.
  @sample AmazonRedshift.ModifyClusterSnapshotSchedule
  @see <a href="http://docs.aws.amazon.com/goto/WebAPI/redshift-2012-12-01/ModifyClusterSnapshotSchedule"
  target="_top">AWS API Documentation</a>