# Uses of Package
org.openide.util.lookup

- Packages that use org.openide.util.lookup
  Package | Description
  --- | ---
  org.openide.util.lookup | Support classes for the Registration and `Lookup` extension mechanism.

- Classes in org.openide.util.lookup used by org.openide.util.lookup
  Class and Description
  AbstractLookup.Content A class that can be used by the creator of the `AbstractLookup` to control its content (a kind of Privileged API giving creator of the lookup more rights than subsequent users of the lookup).
  AbstractLookup.Pair Extension to the default lookup item that offers additional information for the data structures use in AbstractLookup
  InstanceContent.Convertor Convertor postpones an instantiation of an object.

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