## Uses of Interface
com.hazelcast.jet.pipeline.StageWithKeyAndWindow

- Packages that use StageWithKeyAndWindow
  Package | Description
  --- | ---
  com.hazelcast.jet.pipeline | The Pipeline API is Jet's high-level API to build and execute distributed computation jobs.

- - ### Uses of StageWithKeyAndWindow in com.hazelcast.jet.pipeline

    Methods in com.hazelcast.jet.pipeline that return StageWithKeyAndWindow
    Modifier and Type | Method and Description
    --- | ---
    `<K> StageWithKeyAndWindow<T,K>` | StageWithWindow.`groupingKey(FunctionEx<? super T,? extends K> keyFn)` Specifies the function that will extract the grouping key from the items in the associated pipeline stage and moves on to the step in which you'll complete the construction of a windowed group-and-aggregate stage.
    `StageWithKeyAndWindow<T,K>` | StreamStageWithKey.`window(WindowDefinition wDef)` Adds the definition of the window to use in the group-and-aggregate pipeline stage being constructed.

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