presto-main/src/main/java/io/prestosql/operator/aggregation/minmaxby/MinByAggregationFunction.java/MinByAggregationFunction/MinByAggregationFunction
class MinByAggregationFunction:    public MinByAggregationFunction()
    {
        super(true, "Returns the value of the first argument, associated with the minimum value of the second argument");
    }