@class NSObject; @protocol OS_os_transaction; @interface COClientObserver : COCoordinationServiceClient @property (readonly, nonatomic) NSObject<OS_os_transaction> *transaction; @property (readonly, nonatomic) id cluster; - (id)initWithConnection:(id)a0; - (void).cxx_destruct; - (BOOL)isEqual:(id)a0; - (id)initWithConnection:(id)a0 domain:(id)a1 cluster:(id)a2; @end