declare module 'nats' {
  export function connect(opts: unknown): Promise<{
    request(s: string, d: Uint8Array, o: { timeout: number }): Promise<{ data: Uint8Array }>;
    publish(s: string, d: Uint8Array): void;
    close(): Promise<void>;
  }>;
  export function StringCodec(): {
    encode(s: string): Uint8Array;
    decode(u: Uint8Array): string;
  };
}