@interface _TtC11SessionCoreP33_0305B71F931612257040B50ABDE1CB866Client : NSObject <ACActivityOutputXPCServer> { void /* unknown type, empty encoding */ _target; void /* unknown type, empty encoding */ processIdentifier; void /* unknown type, empty encoding */ hasActivityListenerEntitlement; void /* unknown type, empty encoding */ processManager; void /* unknown type, empty encoding */ lock; void /* unknown type, empty encoding */ delegate; void /* unknown type, empty encoding */ _lock_subscriptionOptions; void /* unknown type, empty encoding */ _lock_pendingChangeAck; void /* unknown type, empty encoding */ _lock_bufferedChanges; } - (id)init; - (void)unsubscribe; - (void).cxx_destruct; - (id)activityDescriptorForIdentifier:(id)a0; - (id)activityDescriptorContentStatesWithError:(id *)a0; - (id)activityDescriptorsWithError:(id *)a0; - (id)subscribeWithOptions:(id)a0 error:(id *)a1; @end