import type { Client, QueryConfig, QueryResult, QueryResultRow } from 'pg';
export type Database = Pick<Client, 'host' | 'port' | 'database'> & {
    query<R extends QueryResultRow = any, I extends any[] = any[]>(queryConfig: QueryConfig<I>): Promise<Pick<QueryResult<R>, 'rows' | 'rowCount'>>;
};
type StopFn = () => Promise<void>;
type PostgresConfig = {
    /**
     * The name of the database.
     */
    name: string;
    /**
     * The location where the data should be persisted to.
     */
    databaseDir: string;
    /**
     * Default is 'postgres'.
     */
    user?: string;
    /**
     * Default is 'password'.
     */
    password?: string;
    /**
     * Default is 54321.
     */
    port?: number;
    /**
     * When set to fale, the database will be deleted when the DB is stopped.
     * Default is true.
     */
    persistent?: boolean;
};
/**
 * Creates and opens a DB backed by Postgres
 */
export declare function createEmbeddedPostgres(config: PostgresConfig): Promise<{
    db: Database;
    stop: StopFn;
}>;
export {};