@class NSString, NSMutableDictionary, NSObject; @protocol OS_dispatch_queue; @interface ENGroupContextInMemoryCache : NSObject <ENGroupContextCacheMiddleware> @property (retain, nonatomic) NSObject<OS_dispatch_queue> *queue; @property (retain, nonatomic) NSMutableDictionary *groupIDtoGroup; @property (retain, nonatomic) NSMutableDictionary *latestStableGroupIDToGroup; @property (readonly) unsigned long long hash; @property (readonly) Class superclass; @property (readonly, copy) NSString *description; @property (readonly, copy) NSString *debugDescription; - (id)initWithQueue:(id)a0; - (void).cxx_destruct; - (void)deleteAllKnownGroupsForGroupContext:(id)a0 completion:(id /* block */)a1; - (void)deleteCachedValueForForGroupContext:(id)a0 withGroupID:(id)a1 completion:(id /* block */)a2; - (void)groupContext:(id)a0 cacheGroup:(id)a1 completion:(id /* block */)a2; - (void)groupContext:(id)a0 cachedGroupWithID:(id)a1 completion:(id /* block */)a2; - (void)groupContext:(id)a0 fetchAllKnownGroups:(id /* block */)a1; - (void)groupContext:(id)a0 latestCachedGroupWithStableID:(id)a1 completion:(id /* block */)a2; - (long long)middlewareCacheCostForContext:(id)a0; @end