@class NSUUID, MGClientService, NSPredicate; @interface MGGroupQuery : NSObject @property (readonly, nonatomic) MGClientService *service; @property (readonly, copy, nonatomic) id /* block */ updateHandler; @property (retain, nonatomic) NSUUID *query; @property (readonly, nonatomic) NSPredicate *predicate; + (id)queryWithPredicate:(id)a0 updateHandler:(id /* block */)a1; - (void)dealloc; - (void).cxx_destruct; - (id)initWithConnectionProvider:(id)a0 predicate:(id)a1 updateHandler:(id /* block */)a2; - (id)initWithPredicate:(id)a0 updateHandler:(id /* block */)a1; @end