An interface used to receive events generated by a
PooledConnection.
This interface would typically be implemented by a component which implements
Connection Pooling (a Connection Pool Manager). A Connection will signal
events to a ConnectionEventListener either when the application closes a
Connection it has been using or when a significant error occurs while the
Connection is being used, where the Connection should not be used again.
The Connection Pool Manager can return closed Connections to the Pool for
later reuse. Connections experiencing an error should be discarded.
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