public void setAggregations(java.util.Collection<DifferentialPrivacyPreviewAggregation> aggregations) {
        if (aggregations == null) {
            this.aggregations = null;
            return;
        }

        this.aggregations = new java.util.ArrayList<DifferentialPrivacyPreviewAggregation>(aggregations);
    }
<p>
The number of aggregation functions that you can perform.
</p>

@param aggregations
       The number of aggregation functions that you can perform.
aws-java-sdk-cleanrooms/src/main/java/com/amazonaws/services/cleanrooms/model/DifferentialPrivacyPrivacyImpact.java