Values.CapacityReservationRequestSourceThe Capacity Reservation configurations to be used when using the RESERVED capacity option type.
type nonrec t = {reservationGroupArn : String_.t option;The ARN of the Capacity Reservation resource group in which to run the instance.
*)reservationPreference : CapacityReservationPreference.t option;The preference on when capacity reservations should be used. Valid values are: RESERVATIONS_ONLY - Exclusively launch instances into capacity reservations that match the instance requirements configured for the capacity provider. If none exist, instances will fail to provision. RESERVATIONS_FIRST - Prefer to launch instances into a capacity reservation if any exist that match the instance requirements configured for the capacity provider. If none exist, fall back to launching instances On-Demand. RESERVATIONS_EXCLUDED - Avoid using capacity reservations and launch exclusively On-Demand.
*)}