@class COClusterMember, COClusterRole, NSObject; @protocol OS_dispatch_queue; @interface _COClusterRoleMonitorMemberObserver : NSObject @property (readonly, nonatomic) NSObject<OS_dispatch_queue> *queue; @property (readonly, copy, nonatomic) id /* block */ block; @property (retain, nonatomic) COClusterRole *lastValue; @property (readonly, nonatomic) COClusterMember *member; @property (readonly, nonatomic) id cluster; - (id)description; - (void).cxx_destruct; - (void)notify:(id)a0; - (id)initWithMember:(id)a0 inCluster:(id)a1 queue:(id)a2 block:(id /* block */)a3; @end