Classes
 ClassDescription
 AverageAggregator The AverageAggregator class implements the average aggregator.
 CountAggregator The CountAggregator class implements the count aggregator.
 MaxAggregator The MaxAggregator class implements the maximum aggregator.
 MinAggregator The MinAggregator class implements the minimum aggregator.
 SumAggregator The SumAggregator class implements the sum aggregator.