@interface GroupActivities.ConversationManager : _TtCs12_SwiftObject { void /* unknown type, empty encoding */ $__lazy_storage_$_conversationsByUUID; void /* unknown type, empty encoding */ _conversationPublisher; void /* unknown type, empty encoding */ $__lazy_storage_$_conversationsPublisher; void /* unknown type, empty encoding */ $__lazy_storage_$__groupSessions; void /* unknown type, empty encoding */ $__lazy_storage_$_topicManager; void /* unknown type, empty encoding */ audioSessionAssertionManager; void /* unknown type, empty encoding */ $__lazy_storage_$_groupSessionTable; void /* unknown type, empty encoding */ conversationManagerClient; void /* unknown type, empty encoding */ conversationManagerSubscription; } @end