import { Connection } from '../../types/meshflow';
import { ProviderConfig, ProvidersConfig } from '../../types/provider';
/**
 * The Connection service is used to declare the class
 * and connection options but does not connect quite yet. Connection
 * happens at a later lifecycle stage when a workflow
 * is started by the MeshFlow Client module (`(new MeshFlow.Client())).start()`).
 *
 * The config options optionall support a multi-connection setup
 * where the `store` connection explicitly defined along with `stream`, `sub`, etc.
 * For example, Postgres can be used for stream and store while
 * Redis is used for sub.
 */
export declare class ConnectionService {
    /**
     * @private
     */
    constructor();
    /**
     * Instance initializer
     */
    static connect(config: ProviderConfig | ProvidersConfig): Promise<Connection>;
}