presto-main/src/main/java/io/prestosql/cost/CostCalculatorWithEstimatedExchanges.java/CostCalculatorWithEstimatedExchanges/calculateRemoteReplicateCost
class CostCalculatorWithEstimatedExchanges:    public static LocalCostEstimate calculateRemoteReplicateCost(double inputSizeInBytes, int destinationTaskCount)
    {
        return LocalCostEstimate.ofNetwork(inputSizeInBytes * destinationTaskCount);
    }