import { QueryRunner } from 'typeorm';
import { IsolationLevel } from 'typeorm/driver/types/IsolationLevel';
import { DataSourceMapService } from './data-source-map.service';
export declare class TypeORMTransactionService {
    private readonly dataSourceMapService;
    constructor(dataSourceMapService: DataSourceMapService);
    createConnection(connectionName?: string): QueryRunner;
    runInTransaction(method: (...param: any[]) => any, args: any[]): Promise<any>;
    wrapByTransaction(method: (...param: any[]) => any, args: any[], queryRunner: QueryRunner, isolationLevel: IsolationLevel, isNested?: boolean): Promise<any>;
}