LPS-49135 Add CacheReplicator, it is a marker interface and will be used in aggregated listener.
LPS-49135 Add ListenerFactory interface.
LPS-49135 Add listener factory implementation for cluster link.
LPS-49135 Add listener factory implementation for ehcache.
LPS-49135 Abstract out common logic
LPS-49135 Better exception handling
LPS-49135 SF
LPS-49135 SF