@class EFSQLTableSchema, NSString; @interface EDAddThreadTablesUpgradeStep : NSObject <EDTableUpgradeStep> @property (class, readonly, nonatomic) EFSQLTableSchema *threadScopesTableSchema; @property (class, readonly, nonatomic) EFSQLTableSchema *threadsTableSchema; @property (class, readonly, nonatomic) EFSQLTableSchema *threadMailboxesTableSchema; @property (class, readonly, nonatomic) EFSQLTableSchema *threadSendersTableSchema; @property (class, readonly, nonatomic) EFSQLTableSchema *threadRecipientsTableSchema; @property (readonly) unsigned long long hash; @property (readonly) Class superclass; @property (readonly, copy) NSString *description; @property (readonly, copy) NSString *debugDescription; + (int)runWithConnection:(id)a0; + (id)_schemaWithMessagesTable:(id)a0 mailboxesTable:(id)a1 conversationsTable:(id)a2; @end