- clearState
Called to clear any persisted state that the ReduceFn may be holding. This will
be called when the w
- isEmpty
Returns true if the there is no buffered state.
- onMerge
Called when windows are merged.
- prefetchOnTrigger
Called before #onTrigger is invoked to provide an opportunity to prefetch any
needed state.
- processValue
Called for each value of type InputT associated with the current key.