import { FConfigurationDictionary } from "@freemework/common";
/**
 * Loading values from files. A filename is used as key name.
 * Main reason for this is https://docs.docker.com/engine/swarm/secrets/
 * @param directory a directory where secret files are placed. Default: /run/secrets
 */
export declare class FConfigurationDirectory extends FConfigurationDictionary {
    static read(directory?: string): Promise<FConfigurationDirectory>;
    private constructor();
}