create ClassListenerMetadataLookup
StdListenerMetadataLookup extends ClassListenerMetadataLookup
SuperviseListenerMetadataLookup extends ClassListenerMetadataLookup
always synchronously publish supervised event
drop support of SuperviseDirective.STOP
fully immutable EventBusImpl builder
remove StdListenerMetadataLookup.SHARED
remove reference to shared listener metadata lookups