@class NSObject, NSHashTable; @protocol OS_dispatch_queue; @interface NPKAssertionManager : NSObject { NSObject<OS_dispatch_queue> *_queue; } @property (retain) NSHashTable *acquiredAssertions; + (id)sharedManager; - (void)addAssertion:(id)a0; - (id)init; - (void)removeAssertion:(id)a0; - (void).cxx_destruct; - (id)_errorWithUnderlyingError:(id)a0; - (void)_queue_acquireAssertionWithType:(unsigned long long)a0 reason:(id)a1 completion:(id /* block */)a2; - (void)_queue_invalidateAssertionWithType:(unsigned long long)a0 completion:(id /* block */)a1; - (void)acquireAssertionWithType:(unsigned long long)a0 reason:(id)a1 completion:(id /* block */)a2; - (id)acquiredAssertionWithType:(unsigned long long)a0; - (BOOL)containsAssertionWithType:(unsigned long long)a0; - (void)invalidateAssertionWithType:(unsigned long long)a0 completion:(id /* block */)a1; @end