@class NSString, NSHashTable, NSObject; @protocol OS_dispatch_queue, OS_dispatch_source; @interface AFMemoryPressureObserver : NSObject { NSObject *_queue; NSObject *_memoryPressureSource; unsigned long long _memoryPressureFlags; NSHashTable *_listeners; } @property (readonly) unsigned long long hash; @property (readonly) Class superclass; @property (readonly, copy) NSString *description; @property (readonly, copy) NSString *debugDescription; + (id)sharedObserver; - (void)addListener:(id)a0; - (void)removeListener:(id)a0; - (void)_handleMemoryPressureWithFlags:(unsigned long long)a0; - (void)getCurrentConditionWithCompletion:(id /* block */)a0; - (void)dealloc; - (void)invalidate; - (void)_removeAllListeners; - (void)_stopObservingMemoryPressure; - (void).cxx_destruct; - (void)_addListener:(id)a0; - (void)_removeListener:(id)a0; - (id)initWithOptions:(unsigned long long)a0; - (void)removeAllListeners; - (void)_startObservingMemoryPressureWithOptions:(unsigned long long)a0; @end