import { Pool, PoolClient } from 'pg';
/**
 * @param pg node postgres pool
 * @param callback callback that will use provided transaction client
 * @param forceRollback force rollback even without errors - useful for tests
 * @returns
 */
export default function tx<T>(pg: Pool | PoolClient, callback: (db: PoolClient) => Promise<T>, forceRollback?: boolean): Promise<T>;