System/Library/PrivateFrameworks/NotesSupport.framework

ICAtomicLRUCache.h

NSObject
>
ICLRUCache

@interface ICAtomicLRUCache : ICLRUCache

- (id)allKeys;
- (void)removeAllObjects;
- (void)setObject:(id)a0 forKey:(id)a1;
- (void)removeObjectForKey:(id)a0;
- (id)objectForKey:(id)a0;

@end