plugin_observers → include Relation

File in plugin/group_replication/include/plugin_observers	Includes file in include
channel_observation_manager.h	mysql / group_replication_priv.h
channel_observation_manager.h	my_inttypes.h
channel_observation_manager.h	mysql / plugin.h
group_event_observer.h	mysql / group_replication_priv.h
group_transaction_observation_manager.h	mysql / group_replication_priv.h
group_transaction_observation_manager.h	my_inttypes.h