export declare class KeyManager {
    private keys;
    private keyFile;
    private secret;
    constructor(keyFile?: string);
    private deriveSecret;
    set(name: string, value: string): void;
    get(name: string): string | undefined;
    delete(name: string): boolean;
    list(): string[];
    private load;
    private save;
    private encode;
    private decode;
}
//# sourceMappingURL=keys.d.ts.map