@class NSString, NSMutableDictionary; @interface MKMessageMigrator : MKMigrator { NSString *_accountGUID; NSMutableDictionary *_groups; struct sqlite3 { } *_database; } - (void)delete; - (void)close; - (void)begin; - (id)init; - (void)dealloc; - (void)commit; - (void)open; - (void)notify; - (void)rollback; - (void).cxx_destruct; - (void)delete:(id)a0; - (void)import; - (void)import:(id)a0; - (BOOL)_import:(id)a0; - (BOOL)_performSimpleQuery:(id)a0; - (id)chatIDForMessage:(id)a0 forHandleIDs:(id)a1 withGroup:(id)a2; - (id)handleID:(id)a0; - (id)handleIDs:(id)a0; - (void)importDataEncodedInJSON:(id)a0; - (id)insertAttachment:(id)a0 withMessage:(id)a1; - (id)insertChatForMessage:(id)a0 forHandleIDs:(id)a1 withGroup:(id)a2; - (id)insertHandle:(id)a0; - (id)insertMessage:(id)a0 forHandleID:(id)a1 withGroup:(id)a2; - (id)joinAttachment:(id)a0 message:(id)a1; - (id)joinChat:(id)a0 handle:(id)a1; - (id)joinChat:(id)a0 message:(id)a1 date:(long long)a2; - (void)query:(id)a0; - (void)updateClient; @end