@Override
    protected boolean equalsAggregation(AggregationResult obj) {
        StandardDeviationAggregationResult other = (StandardDeviationAggregationResult) obj;
        return count == other.count && sum == other.sum && sumOfSquared == other.sumOfSquared;
    }
Constructor used for deserialization. Will be instantiated with a default sketch.
searchlib/src/main/java/com/yahoo/searchlib/aggregation/StandardDeviationAggregationResult.java