import { Connection } from '../../Connection';
import { DataSet } from '../../DataSet';
export declare class PostgresConnection implements Connection {
    private client;
    constructor(client: any);
    query(sql: string, bindings?: Array<any>): Promise<Array<DataSet>>;
    execute(sql: string, bindings?: Array<any>): Promise<number>;
    lastInsertId(): Promise<number>;
    beginTransaction(): Promise<void>;
    rollbackTransaction(): Promise<void>;
    commitTransaction(): Promise<void>;
    close(): Promise<void>;
}