code: func (s *RestoreFromClusterSnapshotInput) SetManualSnapshotRetentionPeriod(v int64) *RestoreFromClusterSnapshotInput {
  	s.ManualSnapshotRetentionPeriod = &v
  	return s
  }
docs: // SetManualSnapshotRetentionPeriod sets the ManualSnapshotRetentionPeriod field's value.