public GetRecommendationResult withCostCalculationLookbackPeriodInDays(Integer costCalculationLookbackPeriodInDays) {
        setCostCalculationLookbackPeriodInDays(costCalculationLookbackPeriodInDays);
        return this;
    }
<p>
The lookback period used to calculate cost impact for a recommendation.
</p>

@param costCalculationLookbackPeriodInDays
       The lookback period used to calculate cost impact for a recommendation.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-costoptimizationhub/src/main/java/com/amazonaws/services/costoptimizationhub/model/GetRecommendationResult.java