import type { MigrationContext, ReversibleMigration } from '../migration-types';
export declare class AddAgentThreadOwnership1790014447117 implements ReversibleMigration {
    up(context: MigrationContext): Promise<void>;
    down({ schemaBuilder: { dropForeignKey, dropIndex, dropColumns, dropEnumCheck }, }: MigrationContext): Promise<void>;
    private backfill;
    private backfillInheritedAccess;
}