@class NTKJetsamInfoFetcher, NSObject; @protocol OS_dispatch_queue, OS_dispatch_source; @interface NTKJetsamMonitor : NSObject { NSObject<OS_dispatch_queue> *_monitorQ; NSObject<OS_dispatch_source> *_monitorTimer; int _transactionCount; NTKJetsamInfoFetcher *_fetcher; } + (id)sharedJetsamMonitor; - (id)init; - (void)incrementTransactionCount; - (void)decrementTransactionCount; - (void).cxx_destruct; @end