@interface FCFDBConnection : NSObject <FCFDBConnectionReadable, FCFDBConnectionWritable> { struct sqlite3 { } *_db; } - (void)beginTransaction; - (id)initWithPath:(id)a0; - (void)dealloc; - (void)commitTransaction; - (void)insertFeedItems:(id)a0 knownFeedsByID:(id)a1; - (void)_prepareForUse; - (void)deleteFeedItemIndexesFromFeedLookupID:(id)a0 feedRange:(id)a1; - (void)deleteFeedItemsWithIDs:(id)a0; - (void)incrementalVacuum; - (void)insertFeatureIndexesForFeedItems:(id)a0 knownFeedsByID:(id)a1; - (void)insertFeeds:(id)a0; - (void)insertIndexesForFeedItems:(id)a0 knownFeedsByID:(id)a1; - (id)selectAllFeedItemIDsWithFeedLookupIDs:(id)a0 feedRange:(id)a1; - (id)selectFeedItemIDsWithFeedLookupIDs:(id)a0 feedRange:(id)a1 feature:(id)a2 maxCount:(unsigned long long)a3; - (id)selectFeedItemsWithIDs:(id)a0; - (id)selectFeedsWithFeedIDs:(id)a0; - (long long)selectMaxFeedLookupID; @end