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CapacityReservationOptions

Source code in docs_src/capo_ec2/types/capacity_reservation_options.py 
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class CapacityReservationOptions(TypedDict, closed=True):
    usage_strategy: NotRequired[
        "capo_ec2.types.fleet_capacity_reservation_usage_strategy.FleetCapacityReservationUsageStrategy"
    ]
    """<p>Indicates whether to use unused Capacity Reservations for fulfilling On-Demand capacity.</p> <p>If you specify <code>use-capacity-reservations-first</code>, the fleet uses unused Capacity Reservations to fulfill On-Demand capacity up to the target On-Demand capacity. If multiple instance pools have unused Capacity Reservations, the On-Demand allocation strategy (<code>lowest-price</code> or <code>prioritized</code>) is applied. If the number of unused Capacity Reservations is less than the On-Demand target capacity, the remaining On-Demand target capacity is launched according to the On-Demand allocation strategy (<code>lowest-price</code> or <code>prioritized</code>).</p> <p>If you do not specify a value, the fleet fulfils the On-Demand capacity according to the chosen On-Demand allocation strategy.</p>"""

usage_strategy instance-attribute 

usage_strategy: NotRequired[FleetCapacityReservationUsageStrategy]

Indicates whether to use unused Capacity Reservations for fulfilling On-Demand capacity.

If you specify use-capacity-reservations-first, the fleet uses unused Capacity Reservations to fulfill On-Demand capacity up to the target On-Demand capacity. If multiple instance pools have unused Capacity Reservations, the On-Demand allocation strategy (lowest-price or prioritized) is applied. If the number of unused Capacity Reservations is less than the On-Demand target capacity, the remaining On-Demand target capacity is launched according to the On-Demand allocation strategy (lowest-price or prioritized).

If you do not specify a value, the fleet fulfils the On-Demand capacity according to the chosen On-Demand allocation strategy.