import { Pool } from 'pg';
import SchemaProvider from './postgres_schema_provider';
import DataProvider from './postgres_data_provider';
import DatabaseOperations from './postgres_operations';
import { PostgresConfig, postgresPoolOptions } from './types';
declare const _default: (cfg: PostgresConfig, _poolOptions: postgresPoolOptions) => {
    dataProvider: DataProvider;
    schemaProvider: SchemaProvider;
    databaseOperations: DatabaseOperations;
    connection: Pool;
    cleanup: () => Promise<void>;
};
export default _default;