import type { Pool as PgPool } from "pg";
import type { Sql as PostgresJsSql } from "postgres";
import { type BunSql, type DialectConfig, type QueryExecutor, type SqlDialect } from "./types";
export type { PostgresJsSql, PgPool };
export declare const PostgresDialectConfig: DialectConfig;
export declare function isPgPool(client: unknown): client is PgPool;
export declare function isBunSql(client: unknown): client is BunSql;
export declare class PostgresDialect implements SqlDialect {
    readonly executor: QueryExecutor;
    readonly config: DialectConfig;
    constructor(options: {
        client: PgPool | PostgresJsSql | BunSql;
        config?: DialectConfig;
        mapParams?: (params?: unknown[]) => (string | number | bigint | boolean | null)[];
    });
}