import type { MigrationContext, ReversibleMigration } from '../migration-types';
export declare class AddAgentExecutionMessages1790590278292 implements ReversibleMigration {
    up(ctx: MigrationContext): Promise<void>;
    private addMessageColumns;
    down({ schemaBuilder: { dropTable, dropColumns }, isSqlite, escape, runQuery, }: MigrationContext): Promise<void>;
}