import { Connection } from '../../types/durable';
import { ProviderConfig, ProvidersConfig } from '../../types/provider';
/**
 * Declares connection configuration (driver class + options) without
 * opening a connection. The actual Postgres connection is established
 * lazily when a Worker or Client is started.
 *
 * Supports both single-connection and split-connection layouts (separate
 * `store`, `stream`, and `sub` connections for advanced deployments).
 */
export declare class ConnectionService {
    /**
     * @private
     */
    constructor();
    /**
     * Create a connection configuration object.
     *
     * @param config - Single `{ class, options }` or split `{ store, stream, sub }`.
     * @returns The normalized connection configuration.
     */
    static connect(config: ProviderConfig | ProvidersConfig): Promise<Connection>;
    /**
     * Alias for {@link connect}.
     */
    static create: typeof ConnectionService.connect;
}