@class NSMutableDictionary; @interface HFReaderWriterCache : NSObject { struct _opaque_pthread_rwlock_t { long long __sig; char __opaque[192]; } _rwlock; } @property (readonly, nonatomic) NSMutableDictionary *cachedObjects; - (id)init; - (void)dealloc; - (void)setObject:(id)a0 forKey:(id)a1; - (void)removeObjectForKey:(id)a0; - (void).cxx_destruct; - (id)objectForKey:(id)a0; - (void)setObject:(id)a0 onlyIfNoObjectForKey:(id)a1; - (void)performBlockWithWriteLock:(id /* block */)a0; - (id)tryObjectForKey:(id)a0; @end