import type { PGlite } from '@electric-sql/pglite';
import { type PgResultLike } from './runner';
/**
 * The minimal node-`pg` `Client` surface that `pgsql-client`'s `PgClient` uses:
 * `connect()`, `query()` and `end()`. A real `pg.Client` structurally satisfies
 * it, so registering a factory that returns this is transparent to consumers.
 */
export interface QueryablePgClient {
    connect(): Promise<void>;
    query(text: any, values?: any[]): Promise<PgResultLike>;
    end(): Promise<void>;
}
/**
 * Build a `pg.Client`-shaped object backed by an existing PGlite instance.
 *
 * Every client returned for the same instance shares that single in-process
 * session, so transaction control (`BEGIN`/`SAVEPOINT`/`ROLLBACK`/`COMMIT`) is
 * shared too. `end()` is a no-op: the instance lifecycle is owned by whoever
 * created it (see `registerPglite`), not by an individual client.
 */
export declare const createPgliteClient: (db: PGlite) => QueryablePgClient;