import type { MigrationsOptions, Transaction } from '@mikro-orm/core';
import type { MongoDriver } from '@mikro-orm/mongodb';
import type { Migration } from './Migration.js';
/** Executes individual MongoDB migration files within optional transaction contexts. */
export declare class MigrationRunner {
  protected readonly driver: MongoDriver;
  protected readonly options: MigrationsOptions;
  private readonly connection;
  private masterTransaction?;
  constructor(driver: MongoDriver, options: MigrationsOptions);
  run(migration: Migration, method: 'up' | 'down'): Promise<void>;
  setMasterMigration(trx: Transaction): void;
  unsetMasterMigration(): void;
}