@class NSString; @interface NPKAssertion : NSObject @property (readonly, copy, nonatomic) NSString *reason; @property (readonly, nonatomic, getter=isAcquired) BOOL acquired; @property (readonly, nonatomic) unsigned long long type; @property (readonly) unsigned long long state; - (void)invalidateWithCompletion:(id /* block */)a0; - (void).cxx_destruct; - (void)acquireWithCompletion:(id /* block */)a0; - (id)initWithType:(unsigned long long)a0 reason:(id)a1; - (id)_errorWithUnderlyingError:(id)a0; @end