See: Description
| Class | Description | 
|---|---|
| CollectPrimitiveReduceOperation<S> | Collect primitive values reduce operation | 
| CollectReduceOperation<S> | Collect values reduce operation | 
| CollectShardedPrimitiveReducerHandle<S> | ShardedReducerHandle where we keep a list of reduced values,
 when primitives are used | 
| CollectShardedReducerHandle<S> | ShardedReducerHandle where we keep a list of reduced values | 
| CollectShardedTuplesOfPrimitivesReducerHandle | ShardedReducerHandle where we keep a list of reduced values,
 and values consist of multiple primitives, so we keep one primitive
 list for each | 
| CollectShardedTuplesOfPrimitivesReducerHandle.CollectShardedTuplesOfPrimitivesReduceBroadcast | Reduce broadcast wrapper | 
| CollectTuplesOfPrimitivesReduceOperation | Collect tuples of primitive values reduce operation | 
| ShardedReducerHandle<S,R> | Reducing values into a list of reducers, randomly,
 and getting the results of all reducers together | 
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