public GetRDSDatabaseRecommendationProjectedMetricsRequest withRecommendationPreferences(RecommendationPreferences recommendationPreferences) {
        setRecommendationPreferences(recommendationPreferences);
        return this;
    }
@param recommendationPreferences
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-computeoptimizer/src/main/java/com/amazonaws/services/computeoptimizer/model/GetRDSDatabaseRecommendationProjectedMetricsRequest.java