import type { TransactionConfig } from '@expo/entity';
import { EntityQueryContextProvider } from '@expo/entity';
import type { Knex } from 'knex';
/**
 * Query context provider for knex (postgres).
 */
export declare class PostgresEntityQueryContextProvider extends EntityQueryContextProvider {
    private readonly knexInstance;
    constructor(knexInstance: Knex);
    protected getQueryInterface(): any;
    protected createTransactionRunner<T>(transactionConfig?: TransactionConfig): (transactionScope: (trx: any) => Promise<T>) => Promise<T>;
    protected createNestedTransactionRunner<T>(outerQueryInterface: any): (transactionScope: (queryInterface: any) => Promise<T>) => Promise<T>;
    private static convertTransactionConfig;
}