| Interface | Description | 
|---|---|
| FinalizableBuiltin | See documentation of  FinalizablePyObject. | 
| FinalizablePyObject | 
 This interface allows  PyObjects to have finalizers. | 
| FinalizablePyObjectDerived | This interface should never be used directly in any hand-written code
 (except in FinalizeTrigger.java). | 
| FinalizeTriggerFactory | Reserved for use by JyNI. | 
| Class | Description | 
|---|---|
| FinalizeTrigger | To use finalizers on  PyObjects, read the documentation ofFinalizablePyObject. |