import { Connection } from '../../Connection';
import { DataSource } from '../../DataSource';
export declare class PostgresDataSource extends DataSource {
    private lib;
    private pool;
    private host;
    private port;
    private databaseName;
    private username;
    private password;
    constructor();
    setHost(host: string): void;
    getHost(): string;
    setPort(port: number): void;
    getPort(): number;
    setDatabaseName(databaseName: string): void;
    getDatabaseName(): string;
    setUsername(username: string): void;
    getUsername(): string;
    setPassword(password: string): void;
    getPassword(): string;
    close(): Promise<void>;
    protected requestConnection(): Promise<Connection>;
    private createPool;
}