THIS IS A TEST INSTANCE. ALL YOUR CHANGES WILL BE LOST!!!!
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Rich functions are one of the essential parts of stream processing. There are several use-cases where users cannot express their business logic with current un-rich methods. For example:
- on-demand
commit()
feature - having access to RecordContext within an operator
- having access to a read-only key for ValueJoiner, ValueTransformer, ValueMapper interfaces
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