# Hierarchy For Package com.hazelcast.mapreduce.aggregation

Package Hierarchies:

- All Packages

## Class Hierarchy

- java.lang.Object
  - com.hazelcast.mapreduce.aggregation.Aggregations
  - com.hazelcast.mapreduce.aggregation.Supplier<KeyIn,ValueIn,ValueOut> (implements java.io.Serializable)

## Interface Hierarchy

- com.hazelcast.mapreduce.aggregation.Aggregation<Key,Supplied,Result>
- java.io.Serializable
  - com.hazelcast.mapreduce.aggregation.PropertyExtractor<ValueIn,ValueOut>

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