@Internal public class CombineFnBase extends java.lang.Object
This class contains the shared interfaces and abstract classes for different types of combine functions.
Users should not implement or extend them directly.
| Modifier and Type | Class and Description | 
|---|---|
| static interface  | CombineFnBase.GlobalCombineFn<InputT,AccumT,OutputT>For internal use only; no backwards-compatibility guarantees. | 
| Constructor and Description | 
|---|
| CombineFnBase() |