@interface ICThumbnailCache : NSObject <ICThumbnailCaching> { void /* unknown type, empty encoding */ cache; void /* unknown type, empty encoding */ persistedCache; void /* unknown type, empty encoding */ $__lazy_storage_$_cacheKeyQueueQos; void /* unknown type, empty encoding */ $__lazy_storage_$_cacheKeyQueue; void /* unknown type, empty encoding */ $__lazy_storage_$_objectIdentifiersToCacheKeys; } @property (class, nonatomic, readonly) ICThumbnailCache *shared; - (id)init; - (void)setObject:(id)a0 forKeyedSubscript:(id)a1; - (void).cxx_destruct; - (id)objectForKeyedSubscript:(id)a0; - (void)invalidateForObjectIdentifiers:(id)a0; - (id)creationDateFor:(id)a0; @end