@class NSMutableDictionary, NSObject; @protocol OS_dispatch_queue; @interface VCXPCClientShared : AVConferenceXPCClient @property (readonly, nonatomic) NSMutableDictionary *registeredUUIDServiceBlocks; @property (readonly, nonatomic) NSObject<OS_dispatch_queue> *registeredBlocksQueue; - (id)init; - (void)dealloc; - (void)deregisterFromNotifications; - (void)deregisterWithUUID:(id)a0 service:(char *)a1; - (void)registerBlockWithUUID:(id)a0 service:(char *)a1 block:(id /* block */)a2; @end