@ConsumerType public interface ConfigurationListener
ConfigurationEventis fired, it is asynchronously delivered to all
ConfigurationListener objects are registered with the Framework
service registry and are notified with a
when an event is fired.
ConfigurationListener objects can inspect the received
ConfigurationEvent object to determine its type, the pid of the
Configuration object with which it is associated, and the
Configuration Admin service that fired the event.
Security Considerations. Bundles wishing to monitor configuration events will
ServicePermission[ConfigurationListener,REGISTER] to register
void configurationEvent(ConfigurationEvent event)