# Uses of Package
com.hazelcast.jet.core.function

- Packages that use com.hazelcast.jet.core.function
  Package | Description
  --- | ---
  com.hazelcast.jet.core | Jet's Core API.
  com.hazelcast.jet.core.processor | Contains static utility classes with factories of Jet processors.

- Classes in com.hazelcast.jet.core.function used by com.hazelcast.jet.core
  Class and Description
  ObjLongBiFunction Represents a specialization of `BiFunction` where the second argument is a `long`.

- Classes in com.hazelcast.jet.core.function used by com.hazelcast.jet.core.processor
  Class and Description
  KeyedWindowResultFunction Represents the function you pass to windowing processors such as `aggregateToSlidingWindowP()` and `aggregateToSessionWindowP()` as `mapToOutputFn`.

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