PropertyChangeEvent.getPropagationId
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public Object getPropagationId()
Returns
the propagationId object associated with a bound/constrained
property update.
Description
The "propagationId" field is reserved for future use. In Beans 1.0
the sole requirement is that if a listener catches a PropertyChangeEvent
and then fires a PropertyChangeEvent of its own, then it should
make sure that it propagates the propagationId field from its
incoming event to its outgoing event.