AggregationBuilder (Google Cloud Datastore Parent 2.17.1 API)

All Known Implementing Classes:

AvgAggregation.Builder, CountAggregation.Builder, SumAggregation.Builder
```
public interface AggregationBuilder<A extends Aggregation>
```
An interface to represent the builders which build and customize Aggregation for AggregationQuery.
Used by AggregationQuery.Builder.addAggregation(AggregationBuilder).

- Method Summary
  
  All Methods Instance Methods Abstract Methods
  Modifier and Type Method Description
  
  A build()

- Method Detail
  - build
```
A build()
```