public void setPreviousFleetState(String previousFleetState) {
        this.previousFleetState = previousFleetState;
    }
<p>
The previous state of the Capacity Reservation Fleet.
</p>

@param previousFleetState
       The previous state of the Capacity Reservation Fleet.
@see CapacityReservationFleetState
aws-java-sdk-ec2/src/main/java/com/amazonaws/services/ec2/model/CapacityReservationFleetCancellationState.java