public SavingsPlansPurchaseRecommendationSummary withEstimatedROI(String estimatedROI) {
        setEstimatedROI(estimatedROI);
        return this;
    }
<p>
The estimated return on investment that's based on the recommended Savings Plans and estimated savings.
</p>

@param estimatedROI
       The estimated return on investment that's based on the recommended Savings Plans and estimated savings.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-costexplorer/src/main/java/com/amazonaws/services/costexplorer/model/SavingsPlansPurchaseRecommendationSummary.java